version bump

Update to ViaVersion 4.0.0

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: ['https://paypal.me/neznamy1'] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.gitignore

@@ -1,8 +1,7 @@
 # Compiled class file
 *.class
-/bin/
-/target/
-/src/test/
+bin/
+target/
 
 # Log file
 *.log
@@ -31,8 +30,8 @@ hs_err_pid*
 .project
 
 # intellij
-/.idea/
+.idea/
 
 # other
 .gitattributes
-*.iml
+*.iml

README.md

@@ -1,14 +1,11 @@
 ## Introduction  
 Here it is. After countless requests to go opensource, I did it to make those people quiet. It worked.  
-It's already been a year and I still can't see any positives of it. This way I just made it easier for everyone to make a plugin as good, so people can stop using it and switch to something better. 
+It's already been a year and I still can't see any positives of it. This way I just made it easier for everyone to make a plugin as good, so people can stop using it and switch to something better. Or just get premium version for free.  
   
   
 ## Compiling
-Plugin can be compiled using maven.
-
-  
-## Premium code
-The source contains content of premium version as well. However, this must be activated by setting [this line to return true](https://github.com/NEZNAMY/TAB/blob/master/src/main/java/me/neznamy/tab/shared/TAB.java#L79).  
+Plugin can be compiled using maven. Once you've purchased the premium version, you can enable premium features by setting [this line to return true](https://github.com/NEZNAMY/TAB/blob/master/shared/src/main/java/me/neznamy/tab/shared/TAB.java#L78) and apply your code improvements. Enabling it without purchasing the plugin may result in the features not working correctly.  
+**No support is provided for self-compiled jars, only for official compilations.** If you compiled it yourself, it is highly likely you modified something, which might be the reason why is the plugin not working. If you didn't modify anything, you can just get the plugin from official download places.
   
   
 ## Links
@@ -22,13 +19,8 @@ Premium version
 Bukkit bridge https://www.spigotmc.org/resources/83966/  
 Wiki https://github.com/NEZNAMY/TAB/wiki  
 Discord invite link: https://discord.gg/EaSvdk6  
-  
-  
-## Downloads
-Official release: https://www.spigotmc.org/resources/57806/  
-Pre-releases: https://github.com/NEZNAMY/TAB/releases  
-  
-  
+
+
 ## Maven Repository
 ```
 <repositories>

bukkit/pom.xml

@@ -0,0 +1,137 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>me.neznamy</groupId>
+		<artifactId>TAB</artifactId>
+		<version>2.9.0</version>
+	</parent>
+	<artifactId>bukkit</artifactId>
+
+	<repositories>
+
+		<!-- Spigot API -->
+		<repository>
+			<id>spigot-repo</id>
+			<url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
+		</repository>
+
+		<!-- PlaceholderAPI -->
+		<repository>
+			<id>placeholderapi</id>
+			<url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
+		</repository>
+
+		<!-- Vault -->
+		<repository>
+			<id>jitpack.io</id>
+			<url>https://jitpack.io</url>
+		</repository>
+
+		<!-- ViaVersion -->
+		<repository>
+			<id>viaversion</id>
+			<url>https://repo.viaversion.com/</url>
+		</repository>
+
+		<repository>
+			<id>aikar</id>
+			<url>https://repo.aikar.co/content/groups/aikar/</url>
+		</repository>
+	</repositories>
+
+	<dependencies>
+
+		<!-- TAB Core -->
+		<dependency>
+			<groupId>me.neznamy</groupId>
+			<artifactId>shared</artifactId>
+			<version>${project.version}</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>com.github.NEZNAMY</groupId>
+					<artifactId>YamlAssist</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- Spigot API -->
+		<dependency>
+			<groupId>org.spigotmc</groupId>
+			<artifactId>spigot-api</artifactId>
+			<version>1.17-R0.1-SNAPSHOT</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>commons-lang</groupId>
+					<artifactId>commons-lang</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>bungeecord-chat</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>com.google.code.gson</groupId>
+					<artifactId>gson</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.yaml</groupId>
+					<artifactId>snakeyaml</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- PlaceholderAPI -->
+		<dependency>
+			<groupId>me.clip</groupId>
+			<artifactId>placeholderapi</artifactId>
+			<version>2.10.9</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>org.jetbrains</groupId>
+					<artifactId>annotations</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- Vault -->
+		<dependency>
+			<groupId>com.github.MilkBowl</groupId>
+			<artifactId>VaultAPI</artifactId>
+			<version>1.7</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>commons-lang</groupId>
+					<artifactId>commons-lang</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>com.google.code.gson</groupId>
+					<artifactId>gson</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.bukkit</groupId>
+					<artifactId>bukkit</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- ViaVersion -->
+		<dependency>
+			<groupId>com.viaversion</groupId>
+			<artifactId>viaversion-api</artifactId>
+			<version>4.0.0</version>
+			<scope>provided</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>com.mojang</groupId>
+			<artifactId>authlib</artifactId>
+			<version>1.11</version>
+			<scope>provided</scope>
+		</dependency>
+	</dependencies>
+</project>

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitEventListener.java

@@ -3,13 +3,10 @@ package me.neznamy.tab.platforms.bukkit;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
-import org.bukkit.event.player.AsyncPlayerChatEvent;
 import org.bukkit.event.player.PlayerChangedWorldEvent;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
-import org.bukkit.event.player.PlayerRespawnEvent;
-import org.bukkit.event.player.PlayerToggleSneakEvent;
 
 import me.neznamy.tab.shared.TAB;
 
@@ -57,34 +54,4 @@ public class BukkitEventListener implements Listener {
 		if (TAB.getInstance().isDisabled()) return;
 		if (TAB.getInstance().getFeatureManager().onCommand(TAB.getInstance().getPlayer(e.getPlayer().getUniqueId()), e.getMessage())) e.setCancelled(true);
 	}
-	
-	/**
-	 * Listener to AsyncPlayerChatEvent to forward the event to features
-	 * @param e chat event
-	 */
-	@EventHandler
-	public void onChat(AsyncPlayerChatEvent e) {
-		if (TAB.getInstance().isDisabled()) return;
-		if (TAB.getInstance().getFeatureManager().onChat(TAB.getInstance().getPlayer(e.getPlayer().getUniqueId()), e.getMessage(), e.isCancelled())) e.setCancelled(true);
-	}
-
-	/**
-	 * Listener to PlayerRespawnEvent to forward the event to features
-	 * @param e respawn event
-	 */
-	@EventHandler
-	public void onRespawn(PlayerRespawnEvent e) {
-		if (TAB.getInstance().isDisabled()) return;
-		TAB.getInstance().getCPUManager().runTask("processing PlayerRespawnEvent", () -> TAB.getInstance().getFeatureManager().onRespawn(TAB.getInstance().getPlayer(e.getPlayer().getUniqueId())));
-	}
-	
-	/**
-	 * Listener to PlayerToggleSneakEvent to forward the event to features
-	 * @param e sneak event
-	 */
-	@EventHandler
-	public void onSneak(PlayerToggleSneakEvent e) {
-		if (TAB.getInstance().isDisabled()) return;
-		TAB.getInstance().getCPUManager().runTask("processing PlayerToggleSneakEvent", () -> TAB.getInstance().getFeatureManager().onSneak(TAB.getInstance().getPlayer(e.getPlayer().getUniqueId()), e.isSneaking()));
-	}
 }

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitMetrics.java

@@ -16,7 +16,7 @@ import org.bukkit.plugin.ServicePriority;
 import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
 
-import me.neznamy.tab.shared.ProtocolVersion;
+import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.features.Metrics;
 
@@ -97,7 +97,7 @@ public class BukkitMetrics extends Metrics {
 		}));
 		addCustomChart(new SimplePie("server_version", new Callable<String>() {
 			public String call() {
-				return "1." + ProtocolVersion.SERVER_VERSION.getMinorVersion() + ".x";
+				return "1." + NMSStorage.getInstance().minorVersion + ".x";
 			}
 		}));
 	}

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitPacketBuilder.java

@@ -1,6 +1,8 @@
 package me.neznamy.tab.platforms.bukkit;
 
+import java.lang.reflect.Array;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -10,6 +12,11 @@ import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.entity.EntityType;
 
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.properties.PropertyMap;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.libs.gson.JsonParser;
+
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
@@ -18,6 +25,7 @@ import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.packets.EnumChatFormat;
 import me.neznamy.tab.shared.packets.IChatBaseComponent;
+import me.neznamy.tab.shared.packets.IChatBaseComponent.ClickAction;
 import me.neznamy.tab.shared.packets.PacketBuilder;
 import me.neznamy.tab.shared.packets.PacketPlayOutBoss;
 import me.neznamy.tab.shared.packets.PacketPlayOutBoss.Action;
@@ -32,16 +40,14 @@ import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardObjective;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardObjective.EnumScoreboardHealthDisplay;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardScore;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardTeam;
-import me.neznamy.tab.shared.packets.PacketPlayOutTitle;
-import us.myles.ViaVersion.api.type.Type;
-import us.myles.viaversion.libs.gson.JsonParser;
+import me.neznamy.tab.shared.rgb.TextColor;
 
 @SuppressWarnings("unchecked")
 public class BukkitPacketBuilder implements PacketBuilder {
 
 	//nms storage
 	private NMSStorage nms;
-	
+
 	//entity type ids
 	private Map<EntityType, Integer> entityIds = new HashMap<EntityType, Integer>();
 
@@ -51,22 +57,22 @@ public class BukkitPacketBuilder implements PacketBuilder {
 	 */
 	public BukkitPacketBuilder(NMSStorage nms) {
 		this.nms = nms;
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 13) {
+		if (nms.minorVersion >= 13) {
 			entityIds.put(EntityType.ARMOR_STAND, 1);
 			entityIds.put(EntityType.WITHER, 83);
 		} else {
 			entityIds.put(EntityType.WITHER, 64);
-			if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 8){
+			if (nms.minorVersion >= 8){
 				entityIds.put(EntityType.ARMOR_STAND, 30);
 			}
 		}
 	}
-	
+
 	@Override
 	public Object build(PacketPlayOutBoss packet, ProtocolVersion clientVersion) throws Exception {
 		if (nms.minorVersion >= 9) {
-			//1.9+ server
-			return buildBossPacket19(packet, clientVersion);
+			//1.9+ server, handled using bukkit api
+			return packet;
 		}
 		if (clientVersion.getMinorVersion() >= 9 && Bukkit.getPluginManager().isPluginEnabled("ViaVersion")) {
 			//1.9+ client on 1.8 server
@@ -78,27 +84,6 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		return buildBossPacketEntity(packet, clientVersion);
 	}
 
-	/**
-	 * Build 1.9 boss packet
-	 * @param packet - packet to build
-	 * @param clientVersion - client version
-	 * @return 1.9 bossbar packet
-	 * @throws Exception - if something fails
-	 */
-	private Object buildBossPacket19(PacketPlayOutBoss packet, ProtocolVersion clientVersion) throws Exception {
-		Object nmsPacket = nms.newPacketPlayOutBoss.newInstance();
-		nms.PacketPlayOutBoss_UUID.set(nmsPacket, packet.id);
-		nms.PacketPlayOutBoss_ACTION.set(nmsPacket, Enum.valueOf(nms.PacketPlayOutBoss_Action, packet.operation.toString()));
-		nms.PacketPlayOutBoss_PROGRESS.set(nmsPacket, packet.pct);
-		nms.PacketPlayOutBoss_NAME.set(nmsPacket, packet.name == null ? null : stringToComponent(IChatBaseComponent.optimizedComponent(packet.name).toString(clientVersion)));
-		nms.PacketPlayOutBoss_COLOR.set(nmsPacket, packet.color == null ? null : Enum.valueOf(nms.BarColor, packet.color.toString()));
-		nms.PacketPlayOutBoss_STYLE.set(nmsPacket, packet.overlay == null ? null : Enum.valueOf(nms.BarStyle, packet.overlay.toString()));
-		nms.PacketPlayOutBoss_DARKEN_SKY.set(nmsPacket, packet.darkenScreen);
-		nms.PacketPlayOutBoss_PLAY_MUSIC.set(nmsPacket, packet.playMusic);
-		nms.PacketPlayOutBoss_CREATE_FOG.set(nmsPacket, packet.createWorldFog);
-		return nmsPacket;
-	}
-
 	/**
 	 * Builds 1.9 bossbar packet bytebuf using viaversion
 	 * @param packet - packet to build
@@ -106,11 +91,11 @@ public class BukkitPacketBuilder implements PacketBuilder {
 	 * @return bytebuf with 1.9 bossbar packet content
 	 * @throws Exception - if something fails
 	 */
-	private ByteBuf buildBossPacketVia(PacketPlayOutBoss packet, ProtocolVersion clientVersion) throws Exception {
+	private ByteBuf buildBossPacketVia(PacketPlayOutBoss packet, ProtocolVersion clientVersion) {
 		if (clientVersion == ProtocolVersion.UNKNOWN) return null; //preventing disconnect if packet ID changes and users do not update
 		try {
 			ByteBuf buf = Unpooled.buffer();
-			Type.VAR_INT.writePrimitive(buf, clientVersion.getMinorVersion() == 15 ? 0x0D : 0x0C);
+			Type.VAR_INT.writePrimitive(buf, clientVersion.getMinorVersion() == 15 || clientVersion.getMinorVersion() >= 17 ? 0x0D : 0x0C);
 			Type.UUID.write(buf, packet.id);
 			Type.VAR_INT.writePrimitive(buf, packet.operation.ordinal());
 			switch (packet.operation) {
@@ -178,36 +163,41 @@ public class BukkitPacketBuilder implements PacketBuilder {
 
 	@Override
 	public Object build(PacketPlayOutChat packet, ProtocolVersion clientVersion) throws Exception {
-		Object nmsPacket = nms.newPacketPlayOutChat.newInstance();
-		nms.PacketPlayOutChat_MESSAGE.set(nmsPacket, stringToComponent(packet.message.toString(clientVersion)));
-		if (nms.minorVersion >= 12) {
-			nms.PacketPlayOutChat_POSITION.set(nmsPacket, Enum.valueOf(nms.ChatMessageType, packet.type.toString()));
-		} else if (nms.minorVersion >= 8) {
-			nms.PacketPlayOutChat_POSITION.set(nmsPacket, (byte)packet.type.ordinal());
-		}
+		Object component = stringToComponent(packet.message.toString(clientVersion));
 		if (nms.minorVersion >= 16) {
-			nms.PacketPlayOutChat_SENDER.set(nmsPacket, UUID.randomUUID());
+			return nms.newPacketPlayOutChat.newInstance(component, ((Object[])nms.ChatMessageType.getMethod("values").invoke(null))[packet.type.ordinal()], UUID.randomUUID());
 		}
-		return nmsPacket;
+		if (nms.minorVersion >= 12) {
+			return nms.newPacketPlayOutChat.newInstance(component, Enum.valueOf(nms.ChatMessageType, packet.type.toString()));
+		}
+		if (nms.minorVersion >= 8) {
+			return nms.newPacketPlayOutChat.newInstance(component, (byte) packet.type.ordinal());
+		}
+		if (nms.minorVersion == 7) {
+			return nms.newPacketPlayOutChat.newInstance(component);
+		}
+		throw new IllegalStateException("Not supported on <1.7");
 	}
 
 	@Override
 	public Object build(PacketPlayOutPlayerInfo packet, ProtocolVersion clientVersion) throws Exception {
 		if (nms.minorVersion < 8) return null;
-		Object nmsPacket = nms.newPacketPlayOutPlayerInfo.newInstance();
-		nms.PacketPlayOutPlayerInfo_ACTION.set(nmsPacket, Enum.valueOf(nms.EnumPlayerInfoAction, packet.action.toString()));
+		Object nmsPacket = nms.newPacketPlayOutPlayerInfo.newInstance(((Object[])nms.EnumPlayerInfoAction.getMethod("values").invoke(null))[packet.action.ordinal()], Array.newInstance(nms.EntityPlayer, 0));
 		List<Object> items = new ArrayList<Object>();
 		for (PlayerInfoData data : packet.entries) {
-			Object profile = nms.newGameProfile.newInstance(data.uniqueId, data.name);
-			if (data.skin != null) nms.PropertyMap_putAll.invoke(nms.GameProfile_PROPERTIES.get(profile), data.skin);
+			GameProfile profile = new GameProfile(data.uniqueId, data.name);
+			
+			if (data.skin != null) profile.getProperties().putAll((PropertyMap) data.skin);
+			List<Object> parameters = new ArrayList<Object>();
 			if (nms.newPlayerInfoData.getParameterCount() == 5) {
-				items.add(nms.newPlayerInfoData.newInstance(nms.newPacketPlayOutPlayerInfo.newInstance(), profile, data.latency, data.gameMode == null ? null : Enum.valueOf(nms.EnumGamemode, data.gameMode.toString()), 
-						data.displayName == null ? null : stringToComponent(data.displayName.toString(clientVersion))));
-			} else {
-				//1.8.8 paper
-				items.add(nms.newPlayerInfoData.newInstance(profile, data.latency, data.gameMode == null ? null : Enum.valueOf(nms.EnumGamemode, data.gameMode.toString()), 
-						data.displayName == null ? null : stringToComponent(data.displayName.toString(clientVersion))));
+				parameters.add(nmsPacket);
 			}
+			parameters.add(profile);
+			parameters.add(data.latency);
+			Object[] values = (Object[]) nms.EnumGamemode.getMethod("values").invoke(null);
+			parameters.add(data.gameMode == null ? null : values[values.length-EnumGamemode.values().length+data.gameMode.ordinal()]); //not_set was removed in 1.17
+			parameters.add(data.displayName == null ? null : toNMSComponent(data.displayName, clientVersion));
+			items.add(nms.newPlayerInfoData.newInstance(parameters.toArray()));
 		}
 		nms.PacketPlayOutPlayerInfo_PLAYERS.set(nmsPacket, items);
 		return nmsPacket;
@@ -215,39 +205,36 @@ public class BukkitPacketBuilder implements PacketBuilder {
 
 	@Override
 	public Object build(PacketPlayOutPlayerListHeaderFooter packet, ProtocolVersion clientVersion) throws Exception {
+		if (nms.PacketPlayOutPlayerListHeaderFooter == null) return null;
+		if (nms.minorVersion >= 17) {
+			return nms.newPacketPlayOutPlayerListHeaderFooter.newInstance(toNMSComponent(packet.header, clientVersion), toNMSComponent(packet.footer, clientVersion));
+		}
 		Object nmsPacket = nms.newPacketPlayOutPlayerListHeaderFooter.newInstance();
-		nms.PacketPlayOutPlayerListHeaderFooter_HEADER.set(nmsPacket, stringToComponent(packet.header.toString(clientVersion, true)));
-		nms.PacketPlayOutPlayerListHeaderFooter_FOOTER.set(nmsPacket, stringToComponent(packet.footer.toString(clientVersion, true)));
+		nms.PacketPlayOutPlayerListHeaderFooter_HEADER.set(nmsPacket, toNMSComponent(packet.header, clientVersion));
+		nms.PacketPlayOutPlayerListHeaderFooter_FOOTER.set(nmsPacket, toNMSComponent(packet.footer, clientVersion));
 		return nmsPacket;
 	}
 
 	@Override
 	public Object build(PacketPlayOutScoreboardDisplayObjective packet, ProtocolVersion clientVersion) throws Exception {
-		Object nmsPacket = nms.newPacketPlayOutScoreboardDisplayObjective.newInstance();
-		nms.PacketPlayOutScoreboardDisplayObjective_POSITION.set(nmsPacket, packet.slot);
-		nms.PacketPlayOutScoreboardDisplayObjective_OBJECTIVENAME.set(nmsPacket, packet.objectiveName);
-		return nmsPacket;
+		return nms.newPacketPlayOutScoreboardDisplayObjective.newInstance(packet.slot, newScoreboardObjective(packet.objectiveName));
 	}
 
 	@Override
 	public Object build(PacketPlayOutScoreboardObjective packet, ProtocolVersion clientVersion) throws Exception {
-		String displayName = packet.displayName;
-		if (clientVersion.getMinorVersion() < 13) {
-			displayName = cutTo(displayName, 32);
+		String displayName = clientVersion.getMinorVersion() < 13 ? cutTo(packet.displayName, 32) : packet.displayName;
+		if (nms.minorVersion >= 13) {
+			return nms.newPacketPlayOutScoreboardObjective.newInstance(nms.newScoreboardObjective.newInstance(null, packet.objectiveName, null, 
+					toNMSComponent(IChatBaseComponent.optimizedComponent(displayName), clientVersion), 
+					packet.renderType == null ? null : ((Object[])nms.EnumScoreboardHealthDisplay.getMethod("values").invoke(null))[packet.renderType.ordinal()]), 
+					packet.method);
 		}
+		
 		Object nmsPacket = nms.newPacketPlayOutScoreboardObjective.newInstance();
 		nms.PacketPlayOutScoreboardObjective_OBJECTIVENAME.set(nmsPacket, packet.objectiveName);
-		if (nms.minorVersion >= 13) {
-			nms.PacketPlayOutScoreboardObjective_DISPLAYNAME.set(nmsPacket, stringToComponent(IChatBaseComponent.optimizedComponent(displayName).toString(clientVersion)));
-		} else {
-			nms.PacketPlayOutScoreboardObjective_DISPLAYNAME.set(nmsPacket, displayName);
-		}
+		nms.PacketPlayOutScoreboardObjective_DISPLAYNAME.set(nmsPacket, displayName);
 		if (nms.PacketPlayOutScoreboardObjective_RENDERTYPE != null && packet.renderType != null) {
-			if (nms.minorVersion >= 8) {
-				nms.PacketPlayOutScoreboardObjective_RENDERTYPE.set(nmsPacket, Enum.valueOf(nms.EnumScoreboardHealthDisplay, packet.renderType.toString()));
-			} else {
-				nms.PacketPlayOutScoreboardObjective_RENDERTYPE.set(nmsPacket, packet.renderType.ordinal());
-			}
+			nms.PacketPlayOutScoreboardObjective_RENDERTYPE.set(nmsPacket, Enum.valueOf(nms.EnumScoreboardHealthDisplay, packet.renderType.toString()));
 		}
 		nms.PacketPlayOutScoreboardObjective_METHOD.set(nmsPacket, packet.method);
 		return nmsPacket;
@@ -256,21 +243,17 @@ public class BukkitPacketBuilder implements PacketBuilder {
 	@Override
 	public Object build(PacketPlayOutScoreboardScore packet, ProtocolVersion clientVersion) throws Exception {
 		if (nms.minorVersion >= 13) {
-			return nms.newPacketPlayOutScoreboardScore_1_13.newInstance(Enum.valueOf(nms.EnumScoreboardAction, packet.action.toString()), packet.objectiveName, packet.player, packet.score);
+			return nms.newPacketPlayOutScoreboardScore_1_13.newInstance(((Object[])nms.EnumScoreboardAction.getMethod("values").invoke(null))[packet.action.ordinal()], packet.objectiveName, packet.player, packet.score);
 		}
 		if (packet.action == PacketPlayOutScoreboardScore.Action.REMOVE) {
 			return nms.newPacketPlayOutScoreboardScore_String.newInstance(packet.player);
 		}
-		Object nmsPacket = nms.newPacketPlayOutScoreboardScore0.newInstance();
-		nms.PacketPlayOutScoreboardScore_PLAYER.set(nmsPacket, packet.player);
-		nms.PacketPlayOutScoreboardScore_OBJECTIVENAME.set(nmsPacket, packet.objectiveName);
-		nms.PacketPlayOutScoreboardScore_SCORE.set(nmsPacket, packet.score);
+		Object score = nms.newScoreboardScore.newInstance(nms.newScoreboard.newInstance(), newScoreboardObjective(packet.objectiveName), packet.player);
+		nms.ScoreboardScore_setScore.invoke(score, packet.score);
 		if (nms.minorVersion >= 8) {
-			nms.PacketPlayOutScoreboardScore_ACTION.set(nmsPacket, Enum.valueOf(nms.EnumScoreboardAction, packet.action.toString()));
-		} else {
-			nms.PacketPlayOutScoreboardScore_ACTION.set(nmsPacket, packet.action.ordinal());
+			return nms.newPacketPlayOutScoreboardScore.newInstance(score);
 		}
-		return nmsPacket;
+		return nms.newPacketPlayOutScoreboardScore.newInstance(score, 0);
 	}
 
 	@Override
@@ -281,44 +264,52 @@ public class BukkitPacketBuilder implements PacketBuilder {
 			prefix = cutTo(prefix, 16);
 			suffix = cutTo(suffix, 16);
 		}
-		Object nmsPacket = nms.newPacketPlayOutScoreboardTeam.newInstance();
-		nms.PacketPlayOutScoreboardTeam_NAME.set(nmsPacket, packet.name);
+		Object team = nms.newScoreboardTeam.newInstance(nms.newScoreboard.newInstance(), packet.name);
+		((Collection<String>)nms.ScoreboardTeam_getPlayerNameSet.invoke(team)).addAll(packet.players);
 		if (nms.minorVersion >= 13) {
-			nms.PacketPlayOutScoreboardTeam_DISPLAYNAME.set(nmsPacket, stringToComponent(IChatBaseComponent.optimizedComponent(packet.name).toString(clientVersion)));
-			if (prefix != null && prefix.length() > 0) nms.PacketPlayOutScoreboardTeam_PREFIX.set(nmsPacket, stringToComponent(IChatBaseComponent.optimizedComponent(prefix).toString(clientVersion)));
-			if (suffix != null && suffix.length() > 0) nms.PacketPlayOutScoreboardTeam_SUFFIX.set(nmsPacket, stringToComponent(IChatBaseComponent.optimizedComponent(suffix).toString(clientVersion)));
+			if (prefix != null && prefix.length() > 0) nms.ScoreboardTeam_setPrefix.invoke(team, toNMSComponent(IChatBaseComponent.optimizedComponent(prefix), clientVersion));
+			if (suffix != null && suffix.length() > 0) nms.ScoreboardTeam_setSuffix.invoke(team, toNMSComponent(IChatBaseComponent.optimizedComponent(suffix), clientVersion));
 			EnumChatFormat format = packet.color != null ? packet.color : EnumChatFormat.lastColorsOf(prefix);
-			nms.PacketPlayOutScoreboardTeam_CHATFORMAT.set(nmsPacket, Enum.valueOf(nms.EnumChatFormat, format.toString()));
+			nms.ScoreboardTeam_setColor.invoke(team, ((Object[])nms.EnumChatFormat.getMethod("values").invoke(null))[format.ordinal()]);
 		} else {
-			nms.PacketPlayOutScoreboardTeam_DISPLAYNAME.set(nmsPacket, packet.name);
-			nms.PacketPlayOutScoreboardTeam_PREFIX.set(nmsPacket, prefix);
-			nms.PacketPlayOutScoreboardTeam_SUFFIX.set(nmsPacket, suffix);
+			if (prefix != null) nms.ScoreboardTeam_setPrefix.invoke(team, prefix);
+			if (suffix != null) nms.ScoreboardTeam_setSuffix.invoke(team, suffix);
 		}
-		if (nms.PacketPlayOutScoreboardTeam_VISIBILITY != null) nms.PacketPlayOutScoreboardTeam_VISIBILITY.set(nmsPacket, packet.nametagVisibility);
-		if (nms.PacketPlayOutScoreboardTeam_COLLISION != null) nms.PacketPlayOutScoreboardTeam_COLLISION.set(nmsPacket, packet.collisionRule);
-		nms.PacketPlayOutScoreboardTeam_PLAYERS.set(nmsPacket, packet.players);
-		nms.PacketPlayOutScoreboardTeam_ACTION.set(nmsPacket, packet.method);
-		nms.PacketPlayOutScoreboardTeam_SIGNATURE.set(nmsPacket, packet.options);
-		return nmsPacket;
+		if (nms.EnumNameTagVisibility != null && packet.nametagVisibility != null) nms.ScoreboardTeam_setNameTagVisibility.invoke(team, packet.nametagVisibility.equals("always") ? ((Object[])nms.EnumNameTagVisibility.getMethod("values").invoke(null))[0] : ((Object[])nms.EnumNameTagVisibility.getMethod("values").invoke(null))[1]);
+		if (nms.EnumTeamPush != null && packet.collisionRule != null) nms.ScoreboardTeam_setCollisionRule.invoke(team, packet.collisionRule.equals("always") ? ((Object[])nms.EnumTeamPush.getMethod("values").invoke(null))[0] : ((Object[])nms.EnumTeamPush.getMethod("values").invoke(null))[1]);
+		if (nms.minorVersion >= 17) {
+			switch (packet.method) {
+			case 0:
+				return nms.PacketPlayOutScoreboardTeam_ofBoolean.invoke(null, team, true);
+			case 1:
+				return nms.PacketPlayOutScoreboardTeam_of.invoke(null, team);
+			case 2:
+				return nms.PacketPlayOutScoreboardTeam_ofBoolean.invoke(null, team, false);
+			case 3:
+				return nms.PacketPlayOutScoreboardTeam_ofString.invoke(null, team, packet.players.toArray(new String[0])[0], ((Object[])nms.PacketPlayOutScoreboardTeam_a.getMethod("values").invoke(null))[0]);
+			case 4:
+				return nms.PacketPlayOutScoreboardTeam_ofString.invoke(null, team, packet.players.toArray(new String[0])[0], ((Object[])nms.PacketPlayOutScoreboardTeam_a.getMethod("values").invoke(null))[1]);
+			default:
+				throw new IllegalArgumentException("Invalid action: " + packet.method);
+			}
+		}
+		
+		return nms.newPacketPlayOutScoreboardTeam.newInstance(team, packet.method);
 	}
 
-	@Override
-	public Object build(PacketPlayOutTitle packet, ProtocolVersion clientVersion) throws Exception {
-		if (nms.minorVersion < 8) return null;
-		return nms.newPacketPlayOutTitle.newInstance(Enum.valueOf(nms.EnumTitleAction, packet.action.toString()), 
-				packet.text == null ? null : stringToComponent(IChatBaseComponent.optimizedComponent(packet.text).toString(clientVersion)), packet.fadeIn, packet.stay, packet.fadeOut);
-	}
-	
 	/**
 	 * Builds entity destroy packet with given parameter
-	 * @param ids - entity ids to destroy
+	 * @param id - entity id to destroy
 	 * @return destroy packet
 	 * @throws Exception - if reflection fails
 	 */
-	public Object buildEntityDestroyPacket(int... ids) throws Exception {
-		return nms.newPacketPlayOutEntityDestroy.newInstance(ids);
+	public Object buildEntityDestroyPacket(int id) throws Exception {
+		if (nms.minorVersion >= 17) {
+			return nms.newPacketPlayOutEntityDestroy.newInstance(id);
+		}
+		return nms.newPacketPlayOutEntityDestroy.newInstance(new int[] {id});
 	}
-	
+
 	/**
 	 * Builds entity metadata packet with given parameters
 	 * @param entityId - entity id
@@ -329,7 +320,7 @@ public class BukkitPacketBuilder implements PacketBuilder {
 	public Object buildEntityMetadataPacket(int entityId, DataWatcher dataWatcher) throws Exception {
 		return nms.newPacketPlayOutEntityMetadata.newInstance(entityId, dataWatcher.toNMS(), true);
 	}
-	
+
 	/**
 	 * Builds entity spawn packet with given parameters
 	 * @param entityId - entity id
@@ -341,7 +332,7 @@ public class BukkitPacketBuilder implements PacketBuilder {
 	 * @throws Exception - if reflection fails
 	 */
 	public Object buildEntitySpawnPacket(int entityId, UUID uuid, EntityType entityType, Location loc, DataWatcher dataWatcher) throws Exception {
-		Object nmsPacket = nms.newPacketPlayOutSpawnEntityLiving.newInstance();
+		Object nmsPacket = nms.newPacketPlayOutSpawnEntityLiving.newInstance(nms.getHandle.invoke(Bukkit.getOnlinePlayers().iterator().next()));
 		nms.PacketPlayOutSpawnEntityLiving_ENTITYID.set(nmsPacket, entityId);
 		nms.PacketPlayOutSpawnEntityLiving_ENTITYTYPE.set(nmsPacket, entityIds.get(entityType));
 		nms.PacketPlayOutSpawnEntityLiving_YAW.set(nmsPacket, (byte)(loc.getYaw() * 256.0f / 360.0f));
@@ -349,7 +340,7 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		if (nms.PacketPlayOutSpawnEntityLiving_DATAWATCHER != null) {
 			nms.PacketPlayOutSpawnEntityLiving_DATAWATCHER.set(nmsPacket, dataWatcher.toNMS());
 		}
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) {
+		if (nms.minorVersion >= 9) {
 			nms.PacketPlayOutSpawnEntityLiving_UUID.set(nmsPacket, uuid);
 			nms.PacketPlayOutSpawnEntityLiving_X.set(nmsPacket, loc.getX());
 			nms.PacketPlayOutSpawnEntityLiving_Y.set(nmsPacket, loc.getY());
@@ -361,7 +352,7 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		}
 		return nmsPacket;
 	}
-	
+
 	/**
 	 * Builds entity teleport packet with given parameters
 	 * @param entityId - entity id
@@ -370,9 +361,9 @@ public class BukkitPacketBuilder implements PacketBuilder {
 	 * @throws Exception - if reflection fails
 	 */
 	public Object buildEntityTeleportPacket(int entityId, Location location) throws Exception {
-		Object nmsPacket = nms.newPacketPlayOutEntityTeleport.newInstance();
+		Object nmsPacket = nms.newPacketPlayOutEntityTeleport.newInstance(nms.getHandle.invoke(Bukkit.getOnlinePlayers().iterator().next()));
 		nms.PacketPlayOutEntityTeleport_ENTITYID.set(nmsPacket, entityId);
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) {
+		if (nms.minorVersion >= 9) {
 			nms.PacketPlayOutEntityTeleport_X.set(nmsPacket, location.getX());
 			nms.PacketPlayOutEntityTeleport_Y.set(nmsPacket, location.getY());
 			nms.PacketPlayOutEntityTeleport_Z.set(nmsPacket, location.getZ());
@@ -392,12 +383,12 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		EnumPlayerInfoAction action = EnumPlayerInfoAction.valueOf(nms.PacketPlayOutPlayerInfo_ACTION.get(nmsPacket).toString());
 		List<PlayerInfoData> listData = new ArrayList<PlayerInfoData>();
 		for (Object nmsData : (List<?>) nms.PacketPlayOutPlayerInfo_PLAYERS.get(nmsPacket)) {
-			Object nmsGamemode = nms.PlayerInfoData_GAMEMODE.get(nmsData);
-			EnumGamemode gamemode = nmsGamemode == null ? null : EnumGamemode.valueOf(nmsGamemode.toString());
-			Object profile = nms.PlayerInfoData_PROFILE.get(nmsData);
-			Object nmsComponent = nms.PlayerInfoData_LISTNAME.get(nmsData);
-			IChatBaseComponent listName = IChatBaseComponent.fromString(componentToString(nmsComponent));
-			listData.add(new PlayerInfoData((String) nms.GameProfile_NAME.get(profile), (UUID) nms.GameProfile_ID.get(profile), nms.GameProfile_PROPERTIES.get(profile), nms.PlayerInfoData_PING.getInt(nmsData), gamemode, listName));
+			Object nmsGamemode = nms.PlayerInfoData_getGamemode.invoke(nmsData);
+			EnumGamemode gamemode = (nmsGamemode == null) ? null : EnumGamemode.valueOf(nmsGamemode.toString());
+			GameProfile profile = (GameProfile) nms.PlayerInfoData_getProfile.invoke(nmsData);
+			Object nmsComponent = nms.PlayerInfoData_getDisplayName.invoke(nmsData);
+			IChatBaseComponent listName = nmsComponent == null ? null : fromNMSComponent(nmsComponent);
+			listData.add(new PlayerInfoData(profile.getName(), profile.getId(), profile.getProperties(), (int)nms.PlayerInfoData_getLatency.invoke(nmsData), gamemode, listName));
 		}
 		return new PacketPlayOutPlayerInfo(action, listData);
 	}
@@ -408,7 +399,8 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		String displayName;
 		if (nms.minorVersion >= 13) {
 			Object component = nms.PacketPlayOutScoreboardObjective_DISPLAYNAME.get(nmsPacket);
-			displayName = component == null ? null : IChatBaseComponent.fromString(componentToString(component)).toLegacyText();
+			IChatBaseComponent c = component == null ? null : fromNMSComponent(component);
+			displayName = c == null ? null : c.toLegacyText();
 		} else {
 			displayName = (String) nms.PacketPlayOutScoreboardObjective_DISPLAYNAME.get(nmsPacket);
 		}
@@ -416,11 +408,7 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		if (nms.PacketPlayOutScoreboardObjective_RENDERTYPE != null) {
 			Object nmsRender = nms.PacketPlayOutScoreboardObjective_RENDERTYPE.get(nmsPacket);
 			if (nmsRender != null) {
-				if (nms.minorVersion >= 8) {
-					renderType = EnumScoreboardHealthDisplay.valueOf(nmsRender.toString());
-				} else {
-					renderType = EnumScoreboardHealthDisplay.values()[(int)nmsRender];
-				}
+				renderType = EnumScoreboardHealthDisplay.valueOf(nmsRender.toString());
 			}
 		}
 		int method = nms.PacketPlayOutScoreboardObjective_METHOD.getInt(nmsPacket);
@@ -435,15 +423,6 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		);
 	}
 
-	@Override
-	public PacketPlayOutPlayerListHeaderFooter readHeaderFooter(Object packet, ProtocolVersion clientVersion) throws Exception {
-		return new PacketPlayOutPlayerListHeaderFooter(
-			IChatBaseComponent.fromString(componentToString(nms.PacketPlayOutPlayerListHeaderFooter_HEADER.get(packet))),
-			IChatBaseComponent.fromString(componentToString(nms.PacketPlayOutPlayerListHeaderFooter_FOOTER.get(packet)))
-		);
-	}
-	
-	
 	/**
 	 * A method yoinked from minecraft code used to convert double to int
 	 * @param paramDouble double value
@@ -453,8 +432,7 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		int i = (int)paramDouble;
 		return paramDouble < i ? i - 1 : i;
 	}
-	
-	
+
 	/**
 	 * Converts json string into a component
 	 * @param json json as string
@@ -465,15 +443,127 @@ public class BukkitPacketBuilder implements PacketBuilder {
 		if (json == null) return null;
 		return nms.ChatSerializer_DESERIALIZE.invoke(null, json);
 	}
-	
+
 	/**
-	 * Converts NMS component into a string
-	 * @param component component to convert
-	 * @return json in string format
+	 * Converts minecraft IChatBaseComponent into TAB's component class. Currently does not support hover event.
+	 * @param component - component to convert
+	 * @return converted component
 	 * @throws Exception if something fails
 	 */
-	public String componentToString(Object component) throws Exception {
+	public IChatBaseComponent fromNMSComponent(Object component) throws Exception {
+		long time = System.nanoTime();
+		IChatBaseComponent obj = fromNMSComponent0(component);
+		TAB.getInstance().getCPUManager().addMethodTime("fromNMSComponent", System.nanoTime()-time);
+		return obj;
+	}
+
+	//separate method to prevent extras counting cpu again due to recursion and finally showing higher usage than real
+	@SuppressWarnings("rawtypes")
+	public IChatBaseComponent fromNMSComponent0(Object component) throws Exception {
+		if (!nms.ChatComponentText.isInstance(component)) return null; //paper
+		IChatBaseComponent chat = new IChatBaseComponent((String) nms.ChatComponentText_text.get(component));
+		Object modifier = nms.ChatBaseComponent_modifier.get(component);
+		if (modifier != null) {
+			Object color = nms.ChatModifier_color.get(modifier);
+			if (color != null) {
+				if (nms.minorVersion >= 16) {
+					String name = (String) nms.ChatHexColor_name.get(color);
+					if (name != null) {
+						//legacy code
+						chat.setColor(new TextColor(EnumChatFormat.valueOf(name.toUpperCase())));
+					} else {
+						int rgb = (int) nms.ChatHexColor_rgb.get(color);
+						chat.setColor(new TextColor((rgb >> 16) & 0xFF, (rgb >> 8) & 0xFF, rgb & 0xFF));
+					}
+				} else {
+					chat.setColor(new TextColor(EnumChatFormat.valueOf(((Enum)color).name())));
+				}
+			}
+			chat.setBold((Boolean) nms.ChatModifier_bold.get(modifier));
+			chat.setItalic((Boolean) nms.ChatModifier_italic.get(modifier));
+			chat.setObfuscated((Boolean) nms.ChatModifier_obfuscated.get(modifier));
+			chat.setStrikethrough((Boolean) nms.ChatModifier_strikethrough.get(modifier));
+			chat.setUnderlined((Boolean) nms.ChatModifier_underlined.get(modifier));
+			Object clickEvent = nms.ChatModifier_clickEvent.get(modifier);
+			if (clickEvent != null) {
+				chat.onClick(ClickAction.valueOf(nms.ChatClickable_action.get(clickEvent).toString().toUpperCase()), (String) nms.ChatClickable_value.get(clickEvent));
+			}
+/*			Object hoverEvent = nms.ChatModifier_hoverEvent.get(modifier);
+			if (hoverEvent != null) {
+				chat.onHover(HoverAction.fromString(nms.ChatHoverable_action.get(hoverEvent).toString()), fromNMSComponent(nms.ChatHoverable_value.get(hoverEvent)));
+			}*/
+		}
+		for (Object extra : (List<Object>) nms.ChatBaseComponent_extra.get(component)) {
+			chat.addExtra(fromNMSComponent0(extra));
+		}
+		return chat;
+	}
+
+	/**
+	 * Converts TAB's IChatBaseComponent into minecraft's component. Currently does not support hover event.
+	 * @param component - component to convert
+	 * @param clientVersion - client version used to decide RGB conversion
+	 * @return converted component
+	 * @throws Exception if something fails
+	 */
+	public Object toNMSComponent(IChatBaseComponent component, ProtocolVersion clientVersion) throws Exception {
+		long time = System.nanoTime();
+		Object obj = toNMSComponent0(component, clientVersion);
+		TAB.getInstance().getCPUManager().addMethodTime("toNMSComponent", System.nanoTime()-time);
+		return obj;
+	}
+
+	//separate method to prevent extras counting cpu again due to recursion and finally showing higher usage than real
+	private Object toNMSComponent0(IChatBaseComponent component, ProtocolVersion clientVersion) throws Exception {
 		if (component == null) return null;
-		return (String) nms.ChatSerializer_SERIALIZE.invoke(null, component);
+		Object chat = nms.newChatComponentText.newInstance(component.getText());
+		Object modifier;
+		if (nms.minorVersion >= 16) {
+			Object color = null;
+			if (component.getColor() != null) {
+				if (clientVersion.getMinorVersion() >= 16) {
+					color = nms.ChatHexColor_ofInt.invoke(null, (component.getColor().getRed() << 16) + (component.getColor().getGreen() << 8) + component.getColor().getBlue());
+				} else {
+					color = nms.ChatHexColor_ofString.invoke(null, component.getColor().getLegacyColor().toString().toLowerCase());
+				}
+			}
+			modifier = nms.newChatModifier.newInstance(
+				color,
+				component.getBold(),
+				component.getItalic(),
+				component.getUnderlined(),
+				component.getStrikethrough(),
+				component.getObfuscated(),
+				component.getClickAction() == null ? null : nms.newChatClickable.newInstance(nms.EnumClickAction_a.invoke(null, component.getClickAction().toString().toLowerCase()), component.getClickValue().toString()), 
+				null, //component.getHoverAction() == null ? null : nms.newChatHoverable.newInstance(nms.EnumHoverAction_a.invoke(null, component.getHoverAction().toString().toLowerCase()), stringToComponent(component.getHoverValue().toString())), 
+				null, null
+					);
+		} else {
+			modifier = nms.newChatModifier.newInstance();
+			if (component.getClickAction() != null){
+				nms.ChatModifier_clickEvent.set(modifier, nms.newChatClickable.newInstance(nms.EnumClickAction_a.invoke(null, component.getClickAction().toString().toLowerCase()), component.getClickValue().toString()));
+			}
+/*			if (component.getHoverAction() != null) {
+				nms.ChatModifier_hoverEvent.set(modifier, nms.newChatHoverable.newInstance(nms.EnumHoverAction_a.invoke(null, (component.getHoverAction().toString().toLowerCase())), stringToComponent(component.getHoverValue().toString())));
+			}*/
+			if (component.getColor() != null) nms.ChatModifier_color.set(modifier, Enum.valueOf(nms.EnumChatFormat, component.getColor().getLegacyColor().toString()));
+			if (component.isBold()) nms.ChatModifier_bold.set(modifier, true);
+			if (component.isItalic()) nms.ChatModifier_italic.set(modifier, true);
+			if (component.isUnderlined()) nms.ChatModifier_underlined.set(modifier, true);
+			if (component.isStrikethrough()) nms.ChatModifier_strikethrough.set(modifier, true);
+			if (component.isObfuscated()) nms.ChatModifier_obfuscated.set(modifier, true);
+		}
+		nms.ChatBaseComponent_modifier.set(chat, modifier);
+		for (IChatBaseComponent extra : component.getExtra()) {
+			nms.ChatComponentText_addSibling.invoke(chat, toNMSComponent0(extra, clientVersion));
+		}
+		return chat;
+	}
+
+	private Object newScoreboardObjective(String objectiveName) throws Exception {
+		if (nms.minorVersion >= 13) {
+			return nms.newScoreboardObjective.newInstance(null, objectiveName, null, stringToComponent("{\"text\":\"\"}"), null);
+		}
+		return nms.newScoreboardObjective.newInstance(null, objectiveName, nms.getFields(nms.IScoreboardCriteria, nms.IScoreboardCriteria).get(0).get(null));
 	}
 }

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitPipelineInjector.java

@@ -64,24 +64,25 @@ public class BukkitPipelineInjector extends PipelineInjector {
 	@SuppressWarnings("unchecked")
 	private void modifyPlayers(Object packetPlayOutScoreboardTeam) throws Exception {
 		long time = System.nanoTime();
-		if (nms.PacketPlayOutScoreboardTeam_SIGNATURE.getInt(packetPlayOutScoreboardTeam) != 69) {
-			Collection<String> players = (Collection<String>) nms.PacketPlayOutScoreboardTeam_PLAYERS.get(packetPlayOutScoreboardTeam);
-			//creating a new list to prevent NoSuchFieldException in minecraft packet encoder when a player is removed
-			Collection<String> newList = new ArrayList<String>();
-			for (String entry : players) {
-				TabPlayer p = tab.getPlayer(entry);
-				if (p == null) {
-					newList.add(entry);
-					continue;
-				}
-				if (tab.getFeatureManager().getNameTagFeature().isDisabledWorld(p.getWorldName())) {
-					newList.add(entry);
-				} else {
-					logTeamOverride((String) nms.PacketPlayOutScoreboardTeam_NAME.get(packetPlayOutScoreboardTeam), entry);
-				}
+		Collection<String> players = (Collection<String>) nms.PacketPlayOutScoreboardTeam_PLAYERS.get(packetPlayOutScoreboardTeam);
+		String teamName = (String) nms.PacketPlayOutScoreboardTeam_NAME.get(packetPlayOutScoreboardTeam);
+		if (players == null) return;
+		//creating a new list to prevent NoSuchFieldException in minecraft packet encoder when a player is removed
+		Collection<String> newList = new ArrayList<String>();
+		for (String entry : players) {
+			TabPlayer p = tab.getPlayer(entry);
+			if (p == null) {
+				newList.add(entry);
+				continue;
+			}
+			if (!tab.getFeatureManager().getNameTagFeature().isDisabledWorld(p.getWorldName()) && !p.hasTeamHandlingPaused() && 
+					!p.getTeamName().equals(teamName)) {
+				logTeamOverride(teamName, entry);
+			} else {
+				newList.add(entry);
 			}
-			nms.PacketPlayOutScoreboardTeam_PLAYERS.set(packetPlayOutScoreboardTeam, newList);
 		}
+		nms.PacketPlayOutScoreboardTeam_PLAYERS.set(packetPlayOutScoreboardTeam, newList);
 		tab.getCPUManager().addTime(TabFeature.NAMETAGS, UsageType.ANTI_OVERRIDE, System.nanoTime()-time);
 	}
 	
@@ -129,9 +130,6 @@ public class BukkitPipelineInjector extends PipelineInjector {
 				if (antiOverrideObjectives && nms.PacketPlayOutScoreboardObjective.isInstance(packet)) {
 					tab.getFeatureManager().onObjective(player, packet);
 				}
-				if (nms.PacketPlayOutPlayerListHeaderFooter.isInstance(packet) && antiOverrideHeaderFooter && tab.getFeatureManager().onHeaderFooter(player, packet)) {
-					return;
-				}
 				tab.getFeatureManager().onPacketSend(player, packet);
 			} catch (Throwable e){
 				tab.getErrorManager().printError("An error occurred when reading packets", e);

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitPlaceholderRegistry.java

@@ -1,6 +1,7 @@
 package me.neznamy.tab.platforms.bukkit;
 
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.text.DecimalFormat;
 import java.text.NumberFormat;
 import java.util.ArrayList;
@@ -16,6 +17,7 @@ import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
 
 import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.features.PlaceholderManager;
 import me.neznamy.tab.shared.placeholders.Placeholder;
@@ -32,19 +34,23 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 
 	//formatter for 2 decimal places
 	public final DecimalFormat decimal2 = ((DecimalFormat)NumberFormat.getNumberInstance(Locale.US));
-	
+
 	//plugin instance
 	private JavaPlugin plugin;
-	
+
 	//vault economy
 	private Economy economy;
-	
+
 	//vault chat
 	private Chat chat;
-	
+
 	//placeholder registry buffer
 	private List<Placeholder> placeholders;
 
+	//essentials methods
+	private Method getUser;
+	private Method getNickname;
+
 	/**
 	 * Constructs new instance with given parameter
 	 * @param plugin - plugin instance
@@ -58,6 +64,14 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 			RegisteredServiceProvider<Chat> rspChat = Bukkit.getServicesManager().getRegistration(Chat.class);
 			if (rspChat != null) chat = rspChat.getProvider();
 		}
+		if (Bukkit.getPluginManager().isPluginEnabled("Essentials")) {
+			try {
+				getUser = Class.forName("com.earth2me.essentials.Essentials").getMethod("getUser", Player.class);
+				getNickname = Class.forName("com.earth2me.essentials.User").getMethod("getNickname");
+			} catch (Exception e) {
+				TAB.getInstance().getErrorManager().printError("Failed to load essentials methods", e);
+			}
+		}
 	}
 
 	@Override
@@ -77,14 +91,16 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 		});
 		placeholders.add(new PlayerPlaceholder("%deaths%", 1000) {
 			public String get(TabPlayer p) {
-				return ((Player) p.getPlayer()).getStatistic(Statistic.DEATHS)+"";
-			}
-		});
-		placeholders.add(new PlayerPlaceholder("%health%", 100) {
-			public String get(TabPlayer p) {
-				return (int) Math.ceil(((Player) p.getPlayer()).getHealth())+"";
+				return String.valueOf(((Player) p.getPlayer()).getStatistic(Statistic.DEATHS));
 			}
 		});
+		if (NMSStorage.getInstance().minorVersion >= 6) {
+			placeholders.add(new PlayerPlaceholder("%health%", 100) {
+				public String get(TabPlayer p) {
+					return String.valueOf((int) Math.ceil(((Player) p.getPlayer()).getHealth()));
+				}
+			});
+		}
 		placeholders.add(new ServerPlaceholder("%tps%", 1000) {
 			public String get() {
 				try {
@@ -102,7 +118,7 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 				for (TabPlayer all : TAB.getInstance().getPlayers()){
 					if (((Player) p.getPlayer()).canSee((Player) all.getPlayer())) var++;
 				}
-				return var+"";
+				return String.valueOf(var);
 			}
 		});
 		placeholders.add(new PlayerPlaceholder("%canseestaffonline%", 2000) {
@@ -111,7 +127,7 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 				for (TabPlayer all : TAB.getInstance().getPlayers()){
 					if (all.isStaff() && ((Player) p.getPlayer()).canSee((Player) all.getPlayer())) var++;
 				}
-				return var+"";
+				return String.valueOf(var);
 			}
 		});
 		registerAFKPlaceholder();
@@ -158,6 +174,14 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 				} catch (Throwable t) {
 					return TAB.getInstance().getErrorManager().printError("", "Failed to check AFK status of " + p.getName(), t);
 				}
+				if (!afk) {
+					try {
+						//purpur AFK API
+						afk = (boolean) p.getPlayer().getClass().getMethod("isAfk").invoke(p.getPlayer());
+					} catch (Throwable t) {
+						//not purpur
+					}
+				}
 				return afk ? yesAfk : noAfk;
 			}
 			@Override
@@ -214,17 +238,17 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 	private void registerPositionPlaceholders() {
 		placeholders.add(new PlayerPlaceholder("%xPos%", 100) {
 			public String get(TabPlayer p) {
-				return ((Player) p.getPlayer()).getLocation().getBlockX()+"";
+				return String.valueOf(((Player) p.getPlayer()).getLocation().getBlockX());
 			}
 		});
 		placeholders.add(new PlayerPlaceholder("%yPos%", 100) {
 			public String get(TabPlayer p) {
-				return ((Player) p.getPlayer()).getLocation().getBlockY()+"";
+				return String.valueOf(((Player) p.getPlayer()).getLocation().getBlockY());
 			}
 		});
 		placeholders.add(new PlayerPlaceholder("%zPos%", 100) {
 			public String get(TabPlayer p) {
-				return ((Player) p.getPlayer()).getLocation().getBlockZ()+"";
+				return String.valueOf(((Player) p.getPlayer()).getLocation().getBlockZ());
 			}
 		});
 	}
@@ -236,18 +260,15 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 		if (Bukkit.getPluginManager().isPluginEnabled("Essentials")) {
 			placeholders.add(new PlayerPlaceholder("%essentialsnick%", 1000) {
 				public String get(TabPlayer p) {
+					if (getNickname == null) return "<Internal plugin error>";
 					String name = null;
-					if (Bukkit.getPluginManager().isPluginEnabled("Essentials")) {
-						try {
-							Object essentials = Bukkit.getPluginManager().getPlugin("Essentials");
-							Object user = essentials.getClass().getMethod("getUser", Player.class).invoke(essentials, p.getPlayer());
-							name = (String) user.getClass().getMethod("getNickname").invoke(user);
-						} catch (Exception e) {
-							TAB.getInstance().getErrorManager().printError("Failed to get Essentials nickname of " + p.getName(), e);
-						}
+					try {
+						name = (String) getNickname.invoke(getUser.invoke(Bukkit.getPluginManager().getPlugin("Essentials"), p.getPlayer()));
+					} catch (Exception e) {
+						TAB.getInstance().getErrorManager().printError("Failed to get Essentials nickname of " + p.getName(), e);
 					}
 					if (name == null || name.length() == 0) return p.getName();
-					return TAB.getInstance().getConfiguration().getSecretOption("essentials-nickname-prefix", "") + name;
+					return TAB.getInstance().getConfiguration().essentialsNickPrefix + name;
 				}
 			});
 		} else {
@@ -290,7 +311,7 @@ public class BukkitPlaceholderRegistry implements PlaceholderRegistry {
 								TAB.getInstance().getCPUManager().addPlaceholderTime(getIdentifier(), System.nanoTime()-time);
 							}
 						});
-						return getLastValue(p);
+						return lastValue.get(p.getName());
 					}
 				});
 			}

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitPlatform.java

@@ -1,12 +1,8 @@
 package me.neznamy.tab.platforms.bukkit;
 
 import java.io.File;
-import java.util.Arrays;
 import java.util.Collection;
-import java.util.HashMap;
 import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
 import java.util.Set;
 
 import org.bukkit.Bukkit;
@@ -25,11 +21,14 @@ import me.neznamy.tab.platforms.bukkit.features.unlimitedtags.NameTagX;
 import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 import me.neznamy.tab.platforms.bukkit.permission.Vault;
 import me.neznamy.tab.shared.Platform;
-import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.TAB;
-import me.neznamy.tab.shared.config.ConfigurationFile;
-import me.neznamy.tab.shared.features.NameTag16;
+import me.neznamy.tab.shared.features.BelowName;
+import me.neznamy.tab.shared.features.NameTag;
+import me.neznamy.tab.shared.features.PingSpoof;
 import me.neznamy.tab.shared.features.PlaceholderManager;
+import me.neznamy.tab.shared.features.SpectatorFix;
+import me.neznamy.tab.shared.features.TabObjective;
+import me.neznamy.tab.shared.features.scoreboard.ScoreboardManager;
 import me.neznamy.tab.shared.permission.LuckPerms;
 import me.neznamy.tab.shared.permission.None;
 import me.neznamy.tab.shared.permission.PermissionPlugin;
@@ -54,6 +53,13 @@ public class BukkitPlatform implements Platform {
 	
 	//nms storage
 	private NMSStorage nms;
+	
+	//booleans to check plugin presence
+	public boolean placeholderAPI;
+	public boolean viaversion;
+	public boolean idisguise;
+	public boolean libsdisguises;
+	public boolean essentials;
 
 	/**
 	 * Constructs new instance with given parameters
@@ -80,21 +86,30 @@ public class BukkitPlatform implements Platform {
 
 	@Override
 	public void loadFeatures() throws Exception {
-		int version = ProtocolVersion.SERVER_VERSION.getMinorVersion();
+		placeholderAPI = Bukkit.getPluginManager().isPluginEnabled("PlaceholderAPI");
+		viaversion = Bukkit.getPluginManager().isPluginEnabled("ViaVersion");
+		idisguise = Bukkit.getPluginManager().isPluginEnabled("iDisguise");
+		libsdisguises = Bukkit.getPluginManager().isPluginEnabled("LibsDisguises");
+		essentials = Bukkit.getPluginManager().isPluginEnabled("Essentials");
 		TAB tab = TAB.getInstance();
 		usedExpansions = new HashSet<String>();
 		tab.getPlaceholderManager().addRegistry(new BukkitPlaceholderRegistry(plugin));
 		tab.getPlaceholderManager().addRegistry(new UniversalPlaceholderRegistry());
 		tab.getPlaceholderManager().registerPlaceholders();
-		if (version >= 8) {
+		if (nms.minorVersion >= 8 && tab.getConfiguration().pipelineInjection) {
 			tab.getFeatureManager().registerFeature("injection", new BukkitPipelineInjector(tab, nms));
 		}
 		loadNametagFeature(tab);
 		loadUniversalFeatures();
-		if (tab.getConfiguration().BossBarEnabled && version < 9) tab.getFeatureManager().registerFeature("bossbar1.8", new BossBar_legacy(tab));
-		if (version >= 9 && tab.getConfiguration().config.getBoolean("fix-pet-names", false)) tab.getFeatureManager().registerFeature("petfix", new PetFix(nms));
+		if (tab.getConfiguration().config.getBoolean("ping-spoof.enabled", false)) tab.getFeatureManager().registerFeature("pingspoof", new PingSpoof());
+		if (tab.getConfiguration().config.getString("yellow-number-in-tablist", "%ping%").length() > 0) tab.getFeatureManager().registerFeature("tabobjective", new TabObjective(tab));
+		if (tab.getConfiguration().config.getBoolean("do-not-move-spectators", false)) tab.getFeatureManager().registerFeature("spectatorfix", new SpectatorFix());
+		if (tab.getConfiguration().config.getBoolean("classic-vanilla-belowname.enabled", true)) tab.getFeatureManager().registerFeature("belowname", new BelowName(tab));
+		if (tab.getConfiguration().premiumconfig != null && tab.getConfiguration().premiumconfig.getBoolean("scoreboard.enabled", false)) tab.getFeatureManager().registerFeature("scoreboard", new ScoreboardManager(tab));
+		if (tab.getConfiguration().bossbar.getBoolean("bossbar-enabled", false) && nms.minorVersion < 9) tab.getFeatureManager().registerFeature("bossbar1.8", new BossBar_legacy(tab, plugin));
+		if (nms.minorVersion >= 9 && tab.getConfiguration().config.getBoolean("fix-pet-names", false)) tab.getFeatureManager().registerFeature("petfix", new PetFix(nms));
 		if (tab.getConfiguration().config.getBoolean("per-world-playerlist.enabled", false)) tab.getFeatureManager().registerFeature("pwp", new PerWorldPlayerlist(plugin, tab));
-		if (Bukkit.getPluginManager().isPluginEnabled("PlaceholderAPI")) {
+		if (placeholderAPI) {
 			new TabExpansion(plugin);
 			new ExpansionDownloader(plugin).download(usedExpansions);
 		}
@@ -110,10 +125,10 @@ public class BukkitPlatform implements Platform {
 	 */
 	private void loadNametagFeature(TAB tab) {
 		if (tab.getConfiguration().config.getBoolean("change-nametag-prefix-suffix", true)) {
-			if (tab.getConfiguration().config.getBoolean("unlimited-nametag-prefix-suffix-mode.enabled", false) && ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 8) {
+			if (tab.getConfiguration().config.getBoolean("unlimited-nametag-prefix-suffix-mode.enabled", false) && nms.minorVersion >= 8) {
 				tab.getFeatureManager().registerFeature("nametagx", new NameTagX(plugin, nms, tab));
 			} else {
-				tab.getFeatureManager().registerFeature("nametag16", new NameTag16(tab));
+				tab.getFeatureManager().registerFeature("nametag16", new NameTag(tab));
 			}
 		}
 	}
@@ -205,7 +220,7 @@ public class BukkitPlatform implements Platform {
 
 			@Override
 			public String get(TabPlayer viewer, TabPlayer target) {
-				if (!Bukkit.getPluginManager().isPluginEnabled("PlaceholderAPI")) return identifier;
+				if (!placeholderAPI) return identifier;
 				try {
 					return PlaceholderAPI.setRelationalPlaceholders((Player) viewer.getPlayer(), (Player) target.getPlayer(), identifier);
 				} catch (Throwable t) {
@@ -223,7 +238,7 @@ public class BukkitPlatform implements Platform {
 	 * @return result from PlaceholderAPI
 	 */
 	public String setPlaceholders(Player player, String placeholder) {
-		if (!Bukkit.getPluginManager().isPluginEnabled("PlaceholderAPI")) return placeholder;
+		if (!placeholderAPI) return placeholder;
 		try {
 			return PlaceholderAPI.setPlaceholders(player, placeholder);
 		} catch (Throwable t) {
@@ -233,57 +248,6 @@ public class BukkitPlatform implements Platform {
 		}
 	}
 
-	@Override
-	public void convertConfig(ConfigurationFile config) {
-		convertUniversalOptions(config);
-		if (config.getName().equals("config.yml")) {
-			removeOld(config, "nametag-refresh-interval-ticks");
-			removeOld(config, "tablist-refresh-interval-ticks");
-			removeOld(config, "header-footer-refresh-interval-ticks");
-			removeOld(config, "belowname.refresh-interval-ticks");
-			removeOld(config, "placeholders.deluxetag-yes");
-			removeOld(config, "placeholders.deluxetag-no");
-			removeOld(config, "placeholders.faction-yes");
-			removeOld(config, "placeholders.faction-no");
-			removeOld(config, "staff-groups");
-			removeOld(config, "use-essentials-nickname");
-			removeOld(config, "deluxetag-empty-value");
-			removeOld(config, "factions-faction");
-			removeOld(config, "factions-nofaction");
-			removeOld(config, "date-format");
-			removeOld(config, "time-format");
-			removeOld(config, "relational-placeholders-refresh");
-			removeOld(config, "bukkit-bridge-mode");
-			if (config.hasConfigOption("tablist-objective")) {
-				String type = config.getString("tablist-objective");
-				String value;
-				if (type.equals("NONE")) {
-					value = "";
-				} else if (type.equals("PING")){
-					value = "%ping%";
-				} else if (type.equals("HEARTS")) {
-					value = "%health%";
-				} else {
-					value = config.getString("tablist-objective-custom-value");
-				}
-				config.set("tablist-objective", null);
-				config.set("tablist-objective-custom-value", null);
-				config.set("yellow-number-in-tablist", value);
-				TAB.getInstance().print('2', "Converted old tablist-objective config option to new yellow-number-in-tablist");
-			}
-			if (config.getObject("per-world-playerlist") instanceof Boolean) {
-				rename(config, "per-world-playerlist", "per-world-playerlist.enabled");
-				rename(config, "allow-pwp-bypass-permission", "per-world-playerlist.allow-bypass-permission");
-				rename(config, "ignore-pwp-in-worlds", "per-world-playerlist.ignore-effect-in-worlds");
-				Map<String, List<String>> sharedWorlds = new HashMap<String, List<String>>();
-				sharedWorlds.put("lobby", Arrays.asList("lobby1", "lobby2"));
-				sharedWorlds.put("minigames", Arrays.asList("paintball", "bedwars"));
-				config.set("per-world-playerlist.shared-playerlist-world-groups", sharedWorlds);
-				TAB.getInstance().print('2', "Converted old per-world-playerlist section to new one in advancedconfig.yml.");
-			}
-		}
-	}
-
 	@Override
 	public String getServerVersion() {
 		return Bukkit.getBukkitVersion().split("-")[0] + " (" + Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3] + ")";
@@ -327,4 +291,9 @@ public class BukkitPlatform implements Platform {
 	public int getMaxPlayers() {
 		return Bukkit.getMaxPlayers();
 	}
+
+	@Override
+	public String getConfigName() {
+		return "bukkitconfig.yml";
+	}
 }

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/BukkitTabPlayer.java

@@ -1,8 +1,18 @@
 package me.neznamy.tab.platforms.bukkit;
 
 import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
 
+import com.viaversion.viaversion.api.Via;
 import org.bukkit.Bukkit;
+import org.bukkit.boss.BarColor;
+import org.bukkit.boss.BarFlag;
+import org.bukkit.boss.BarStyle;
+import org.bukkit.boss.BossBar;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.RegisteredServiceProvider;
@@ -14,7 +24,8 @@ import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 import me.neznamy.tab.shared.ITabPlayer;
 import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.TAB;
-import us.myles.ViaVersion.api.Via;
+import me.neznamy.tab.shared.packets.PacketPlayOutBoss;
+import me.neznamy.tab.shared.rgb.RGBUtils;
 
 /**
  * TabPlayer for Bukkit
@@ -23,12 +34,15 @@ public class BukkitTabPlayer extends ITabPlayer {
 
 	//bukkit player
 	private Player player;
-	
+
 	//nms handle
 	private Object handle;
-	
+
 	//nms player connection
 	private Object playerConnection;
+	
+	//player's visible boss bars
+	private Map<UUID, BossBar> bossbars = new HashMap<UUID, BossBar>();
 
 	/**
 	 * Constructs new instance with given parameter
@@ -65,7 +79,7 @@ public class BukkitTabPlayer extends ITabPlayer {
 			//some PS versions return -1 on unsupported server versions instead of throwing exception
 			if (version != -1 && version < ProtocolVersion.SERVER_VERSION.getNetworkId()) return version;
 		}
-		if (Bukkit.getPluginManager().isPluginEnabled("ViaVersion")) {
+		if (((BukkitPlatform)TAB.getInstance().getPlatform()).viaversion) {
 			return getProtocolVersionVia();
 		}
 		return ProtocolVersion.SERVER_VERSION.getNetworkId();
@@ -96,7 +110,7 @@ public class BukkitTabPlayer extends ITabPlayer {
 			TAB.getInstance().debug("ViaVersion returned protocol version " + version + " for " + getName());
 			return version;
 		} catch (Throwable e) {
-			return TAB.getInstance().getErrorManager().printError(ProtocolVersion.SERVER_VERSION.getNetworkId(), "Failed to get protocol version of " + getName() + " using ViaVersion", e);
+			return TAB.getInstance().getErrorManager().printError(ProtocolVersion.SERVER_VERSION.getNetworkId(), "Failed to get protocol version of " + getName() + " using ViaVersion v" + Bukkit.getPluginManager().getPlugin("ViaVersion").getDescription().getVersion() + ". Is it the latest version?", e);
 		}
 	}
 
@@ -120,7 +134,7 @@ public class BukkitTabPlayer extends ITabPlayer {
 	public void sendPacket(Object nmsPacket) {
 		if (nmsPacket == null || !player.isOnline()) return;
 		try {
-			if (Bukkit.getPluginManager().isPluginEnabled("ViaVersion") && nmsPacket instanceof ByteBuf) {
+			if (((BukkitPlatform)TAB.getInstance().getPlatform()).viaversion && nmsPacket instanceof ByteBuf) {
 				try {
 					Via.getAPI().sendRawPacket(uniqueId, (ByteBuf) nmsPacket);
 				} catch (IllegalArgumentException e) {
@@ -129,11 +143,71 @@ public class BukkitTabPlayer extends ITabPlayer {
 				}
 				return;
 			}
+			if (nmsPacket instanceof PacketPlayOutBoss) {
+				handle((PacketPlayOutBoss) nmsPacket);
+				return;
+			}
 			NMSStorage.getInstance().sendPacket.invoke(playerConnection, nmsPacket);
 		} catch (Throwable e) {
 			TAB.getInstance().getErrorManager().printError("An error occurred when sending " + nmsPacket.getClass().getSimpleName(), e);
 		}
 	}
+	
+	private void handle(PacketPlayOutBoss packet) {
+		Set<BarFlag> flags = new HashSet<BarFlag>();
+		BossBar bar;
+		switch (packet.operation) {
+		case ADD:
+			if (packet.createWorldFog) flags.add(BarFlag.CREATE_FOG);
+			if (packet.darkenScreen) flags.add(BarFlag.DARKEN_SKY);
+			if (packet.playMusic) flags.add(BarFlag.PLAY_BOSS_MUSIC);
+			bar = Bukkit.createBossBar(RGBUtils.getInstance().convertToBukkitFormat(packet.name, getVersion().getMinorVersion() >= 16 && NMSStorage.getInstance().minorVersion >= 16), 
+					BarColor.valueOf(packet.color.name()), 
+					BarStyle.valueOf(packet.overlay.name().replace("PROGRESS", "SOLID").replace("NOTCHED", "SEGMENTED")),
+					flags.toArray(new BarFlag[0]));
+			bossbars.put(packet.id, bar);
+			bar.addPlayer(player);
+			break;
+		case REMOVE:
+			bossbars.get(packet.id).removePlayer(player);
+			bossbars.remove(packet.id);
+			break;
+		case UPDATE_PCT:
+			bossbars.get(packet.id).setProgress(packet.pct);
+			break;
+		case UPDATE_NAME:
+			bossbars.get(packet.id).setTitle(RGBUtils.getInstance().convertToBukkitFormat(packet.name, getVersion().getMinorVersion() >= 16 && NMSStorage.getInstance().minorVersion >= 16));
+			break;
+		case UPDATE_STYLE:
+			bar = bossbars.get(packet.id);
+			//yet another platform with yet another buggy bossbar API, how lovely it is regressing back to APIs instead of internals
+			bar.removePlayer(player);
+			bar.setColor(BarColor.valueOf(packet.color.name()));
+			bar.setStyle(BarStyle.valueOf(packet.overlay.name().replace("PROGRESS", "SOLID").replace("NOTCHED", "SEGMENTED")));
+			bar.addPlayer(player);
+			break;
+		case UPDATE_PROPERTIES:
+			bar = bossbars.get(packet.id);
+			processFlag(bar, packet.createWorldFog, BarFlag.CREATE_FOG);
+			processFlag(bar, packet.darkenScreen, BarFlag.DARKEN_SKY);
+			processFlag(bar, packet.playMusic, BarFlag.PLAY_BOSS_MUSIC);
+			break;
+		default:
+			break;
+		}
+	}
+	
+	private void processFlag(BossBar bar, boolean targetValue, BarFlag flag) {
+		if (targetValue) {
+			if (!bar.hasFlag(flag)) {
+				bar.addFlag(flag);
+			}
+		} else {
+			if (bar.hasFlag(flag)) {
+				bar.removeFlag(flag);
+			}
+		}
+	}
 
 	@Override
 	public boolean hasInvisibilityPotion() {
@@ -151,7 +225,7 @@ public class BukkitTabPlayer extends ITabPlayer {
 	 */
 	private boolean isDisguisedLD() {
 		try {
-			if (!Bukkit.getPluginManager().isPluginEnabled("LibsDisguises")) return false;
+			if (!((BukkitPlatform)TAB.getInstance().getPlatform()).libsdisguises) return false;
 			return (boolean) Class.forName("me.libraryaddict.disguise.DisguiseAPI").getMethod("isDisguised", Entity.class).invoke(null, player);
 		} catch (Throwable e) {
 			return TAB.getInstance().getErrorManager().printError(false, "Failed to check disguise status using LibsDisguises", e);
@@ -164,7 +238,7 @@ public class BukkitTabPlayer extends ITabPlayer {
 	 */
 	private boolean isDisguisediDis() {
 		try {
-			if (!Bukkit.getPluginManager().isPluginEnabled("iDisguise")) return false;
+			if (!((BukkitPlatform)TAB.getInstance().getPlatform()).idisguise) return false;
 			RegisteredServiceProvider<?> provider = Bukkit.getServicesManager().getRegistration(Class.forName("de.robingrether.idisguise.api.DisguiseAPI"));
 			Object iDisguise = provider.getProvider();
 			Method m = iDisguise.getClass().getMethod("isDisguised", Player.class);
@@ -193,4 +267,28 @@ public class BukkitTabPlayer extends ITabPlayer {
 	public boolean isOnline() {
 		return player.isOnline();
 	}
+
+	@Override
+	public boolean isVanished() {
+		try {
+			if (((BukkitPlatform)TAB.getInstance().getPlatform()).essentials) {
+				Object essentials = Bukkit.getPluginManager().getPlugin("Essentials");
+				Object user = essentials.getClass().getMethod("getUser", Player.class).invoke(essentials, player);
+				boolean vanished = (boolean) user.getClass().getMethod("isVanished").invoke(user);
+				if (vanished) return true;
+			}
+			if (player.hasMetadata("vanished") && !player.getMetadata("vanished").isEmpty()) {
+				return player.getMetadata("vanished").get(0).asBoolean();
+			}
+		} catch (Exception e) {
+			TAB.getInstance().getErrorManager().printError("Failed to check vanish status of " + player.getName(), e);
+		}
+		return false;
+	}
+
+	@SuppressWarnings("deprecation")
+	@Override
+	public int getGamemode() {
+		return player.getGameMode().getValue();
+	}
 }

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/Main.java

@@ -1,5 +1,6 @@
 package me.neznamy.tab.platforms.bukkit;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -7,6 +8,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.TAB;
@@ -35,18 +37,30 @@ public class Main extends JavaPlugin {
 					sender.sendMessage(message.replace('&', '\u00a7'));
 				}
 			} else {
-				TAB.getInstance().command.execute(sender instanceof Player ? TAB.getInstance().getPlayer(((Player)sender).getUniqueId()) : null, args);
+				TabPlayer p = null;
+				if (sender instanceof Player) {
+					p = TAB.getInstance().getPlayer(((Player)sender).getUniqueId());
+					if (p == null) return false; //player not loaded correctly
+				}
+				TAB.getInstance().command.execute(p, args);
 			}
 			return false;
 		});
-		Bukkit.getPluginCommand("tab").setTabCompleter((sender, c, cmd, args) -> TAB.getInstance().command.complete(sender instanceof Player ? TAB.getInstance().getPlayer(((Player)sender).getUniqueId()) : null, args));
+		Bukkit.getPluginCommand("tab").setTabCompleter((sender, c, cmd, args) -> {
+			TabPlayer p = null;
+			if (sender instanceof Player) {
+				p = TAB.getInstance().getPlayer(((Player)sender).getUniqueId());
+				if (p == null) return new ArrayList<String>(); //player not loaded correctly
+			}
+			return TAB.getInstance().command.complete(p, args);
+		});
 		TAB.getInstance().load();
 		new BukkitMetrics(this);
 	}
 
 	@Override
 	public void onDisable() {
-		//null check due to L22 return making L27 not run
+		//null check due to L23 return making L30 not run
 		if (TAB.getInstance() != null) TAB.getInstance().unload();
 	}
 	
@@ -56,9 +70,10 @@ public class Main extends JavaPlugin {
 	 */
 	private boolean isVersionSupported(){
 		List<String> SUPPORTED_VERSIONS = Arrays.asList(
+				"v1_5_R1", "v1_5_R2", "v1_5_R3", "v1_6_R1", "v1_6_R2", "v1_6_R3",
 				"v1_7_R1", "v1_7_R2", "v1_7_R3", "v1_7_R4", "v1_8_R1", "v1_8_R2", "v1_8_R3",
 				"v1_9_R1", "v1_9_R2", "v1_10_R1", "v1_11_R1", "v1_12_R1", "v1_13_R1", "v1_13_R2",
-				"v1_14_R1", "v1_15_R1", "v1_16_R1", "v1_16_R2", "v1_16_R3");
+				"v1_14_R1", "v1_15_R1", "v1_16_R1", "v1_16_R2", "v1_16_R3", "v1_17_R1");
 		String serverPackage = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
 		try {
 			NMSStorage.setInstance(new NMSStorage());

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/BossBar_legacy.java

@@ -0,0 +1,87 @@
+package me.neznamy.tab.platforms.bukkit.features;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerRespawnEvent;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.platforms.bukkit.BukkitPacketBuilder;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.cpu.TabFeature;
+import me.neznamy.tab.shared.cpu.UsageType;
+import me.neznamy.tab.shared.features.bossbar.BossBar;
+import me.neznamy.tab.shared.features.types.Loadable;
+
+/**
+ * An additional class with additional code for <1.9 servers due to an entity being required
+ */
+public class BossBar_legacy implements Listener, Loadable {
+
+	//distance of wither in blocks
+	private final int WITHER_DISTANCE = 75;
+	
+	//main bossbar feature
+	private BossBar mainFeature;
+	
+	/**
+	 * Constructs a new instance of the class
+	 * @param mainFeature - main bossbar feature
+	 */
+	public BossBar_legacy(TAB tab, JavaPlugin plugin) {
+		this.mainFeature = (BossBar) tab.getFeatureManager().getFeature("bossbar");
+		Bukkit.getPluginManager().registerEvents(this, plugin);
+		//bar disappears in client after ~1 second of not seeing boss entity
+		tab.getCPUManager().startRepeatingMeasuredTask(900, "refreshing bossbar", TabFeature.BOSSBAR, UsageType.TELEPORTING_ENTITY, () -> teleport());
+	}
+	
+	@Override
+	public void load() {
+		teleport();
+	}
+	
+	/**
+	 * Updates wither location for all players
+	 */
+	private void teleport() {
+		for (TabPlayer all : TAB.getInstance().getPlayers()) {
+			if (all.getVersion().getMinorVersion() > 8) continue; //sending VV packets to those
+			for (me.neznamy.tab.api.bossbar.BossBar l : all.getActiveBossBars()) {
+				try {
+					all.sendPacket(((BukkitPacketBuilder)TAB.getInstance().getPacketBuilder()).buildEntityTeleportPacket(Math.abs(l.getUniqueId().hashCode()), getWitherLocation(all)), TabFeature.BOSSBAR);
+				} catch (Exception e) {
+					TAB.getInstance().getErrorManager().printError("Failed to create PacketPlayOutEntityTeleport", e);
+				}
+			}
+		}
+	}
+
+	@Override
+	public void unload() {
+		HandlerList.unregisterAll(this);
+	}
+	
+	/**
+	 * Respawning wither as respawn screen destroys all entities in client
+	 */
+	@EventHandler
+	public void onRespawn(PlayerRespawnEvent e) {
+		TAB.getInstance().getCPUManager().runMeasuredTask("processing PlayerRespawnEvent", TabFeature.BOSSBAR, UsageType.PLAYER_RESPAWN_EVENT, () -> mainFeature.detectBossBarsAndSend(TAB.getInstance().getPlayer(e.getPlayer().getUniqueId())));
+	}
+	
+	/**
+	 * Returns location where wither should be located based on where player is looking
+	 * @param p - player to get wither location for
+	 * @return location of wither
+	 */
+	public Location getWitherLocation(TabPlayer p) {
+		Player pl = (Player) p.getPlayer();
+		Location loc = pl.getEyeLocation().add(pl.getEyeLocation().getDirection().normalize().multiply(WITHER_DISTANCE));
+		if (loc.getY() < 1) loc.setY(1);
+		return loc;
+	}
+}

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/ExpansionDownloader.java

@@ -46,8 +46,8 @@ public class ExpansionDownloader {
 					@Override
 					public void run() {
 						try {
-							//initial delay to give PlaceholderAPI time to load
-							Thread.sleep(5000);
+							//initial delay to give PlaceholderAPI & plugins with expansions time to load
+							Thread.sleep(10000);
 							TAB.getInstance().debug("Used expansions: " + expansions.toString());
 							TAB.getInstance().debug("Registered expansions in PlaceholderAPI: " + PlaceholderAPI.getRegisteredIdentifiers());
 							expansions.removeAll(PlaceholderAPI.getRegisteredIdentifiers());

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/PerWorldPlayerlist.java

@@ -0,0 +1,107 @@
+package me.neznamy.tab.platforms.bukkit.features;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerChangedWorldEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.cpu.TabFeature;
+import me.neznamy.tab.shared.cpu.UsageType;
+import me.neznamy.tab.shared.features.types.Loadable;
+
+/**
+ * Per-world-playerlist feature handler
+ */
+@SuppressWarnings("deprecation")
+public class PerWorldPlayerlist implements Loadable, Listener {
+	
+	//plugin instance
+	private JavaPlugin plugin;
+	
+	//config options
+	private boolean allowBypass;
+	private List<String> ignoredWorlds;
+	private Map<String, List<String>> sharedWorlds;
+
+	/**
+	 * Constructs new instance with given parameters and loads config options
+	 * @param plugin - plugin instance
+	 * @param tab - tab instance
+	 */
+	public PerWorldPlayerlist(JavaPlugin plugin, TAB tab) {
+		this.plugin = plugin;
+		allowBypass = tab.getConfiguration().config.getBoolean("per-world-playerlist.allow-bypass-permission", false);
+		ignoredWorlds = tab.getConfiguration().config.getStringList("per-world-playerlist.ignore-effect-in-worlds", Arrays.asList("ignoredworld", "build"));
+		sharedWorlds = tab.getConfiguration().config.getConfigurationSection("per-world-playerlist.shared-playerlist-world-groups");
+		for (String group : sharedWorlds.keySet()) {
+			if (sharedWorlds.get(group).size() == 1) {
+				tab.getErrorManager().startupWarn("World group \"" + group + "\" in per-world-playerlist only contain a single world (\"" + sharedWorlds.get(group).get(0) +
+						"\"), which has no effect and only makes config less readable. Delete the group entirely for a cleaner config.");
+			}
+		}
+		tab.debug(String.format("Loaded PerWorldPlayerlist feature with parameters allowBypass=%s, ignoredWorlds=%s, sharedWorlds=%s", allowBypass, ignoredWorlds, sharedWorlds));
+		Bukkit.getPluginManager().registerEvents(this, plugin);
+	}
+	
+	@Override
+	public void load(){
+		Bukkit.getScheduler().runTask(plugin, () -> Bukkit.getOnlinePlayers().forEach(p -> checkPlayer(p)));
+	}
+	
+	@Override
+	public void unload(){
+		for (Player p : Bukkit.getOnlinePlayers()) {
+			for (Player pl : Bukkit.getOnlinePlayers()) {
+				p.showPlayer(pl);
+			}
+		}
+		HandlerList.unregisterAll(this);
+	}
+	
+	@EventHandler
+	public void onJoin(PlayerJoinEvent e) {
+		long time = System.nanoTime();
+		checkPlayer(e.getPlayer());
+		TAB.getInstance().getCPUManager().addTime(TabFeature.PER_WORLD_PLAYERLIST, UsageType.PLAYER_JOIN_EVENT, System.nanoTime()-time);
+	}
+	
+	@EventHandler
+	public void onWorldChange(PlayerChangedWorldEvent e) {
+		long time = System.nanoTime();
+		checkPlayer(e.getPlayer());
+		TAB.getInstance().getCPUManager().addTime(TabFeature.PER_WORLD_PLAYERLIST, UsageType.WORLD_SWITCH_EVENT, System.nanoTime()-time);
+	}
+	
+	private void checkPlayer(Player p) {
+		for (Player all : Bukkit.getOnlinePlayers()){
+			if (all == p) continue;
+			if (!shouldSee(p, all) && p.canSee(all)) p.hidePlayer(all);
+			if (shouldSee(p, all) && !p.canSee(all)) p.showPlayer(all);
+			if (!shouldSee(all, p) && all.canSee(p)) all.hidePlayer(p);
+			if (shouldSee(all, p) && !all.canSee(p)) all.showPlayer(p);
+		}
+	}
+	
+	private boolean shouldSee(Player viewer, Player target) {
+		if (target == viewer) return true;
+		if ((allowBypass && viewer.hasPermission("tab.bypass")) || ignoredWorlds.contains(viewer.getWorld().getName())) return true;
+		String viewerWorldGroup = viewer.getWorld().getName() + "-default"; //preventing unwanted behavior when some group is called exactly like a world
+		String targetWorldGroup = target.getWorld().getName() + "-default";
+		for (String group : sharedWorlds.keySet()) {
+			if (sharedWorlds.get(group) != null) {
+				if (sharedWorlds.get(group).contains(viewer.getWorld().getName())) viewerWorldGroup = group;
+				if (sharedWorlds.get(group).contains(target.getWorld().getName())) targetWorldGroup = group;
+			}
+		}
+		return viewerWorldGroup.equals(targetWorldGroup);
+	}
+}

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/PetFix.java

@@ -9,7 +9,7 @@ import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 import me.neznamy.tab.platforms.bukkit.nms.datawatcher.DataWatcher;
 import me.neznamy.tab.platforms.bukkit.nms.datawatcher.DataWatcherItem;
-import me.neznamy.tab.shared.ProtocolVersion;
+import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.cpu.TabFeature;
 import me.neznamy.tab.shared.features.types.event.QuitEventListener;
 import me.neznamy.tab.shared.features.types.packet.RawPacketListener;
@@ -22,7 +22,7 @@ import me.neznamy.tab.shared.features.types.packet.RawPacketListener;
 public class PetFix implements RawPacketListener, QuitEventListener {
 
 	//datawatcher position of pet owner field
-	private int PET_OWNER_POSITION = getPetOwnerPosition();
+	private int PET_OWNER_POSITION;
 
 	//logger of last interacts to prevent feature not working on 1.16
 	private Map<String, Long> lastInteractFix = new HashMap<String, Long>();
@@ -36,6 +36,8 @@ public class PetFix implements RawPacketListener, QuitEventListener {
 	 */
 	public PetFix(NMSStorage nms) {
 		this.nms = nms;
+		PET_OWNER_POSITION = getPetOwnerPosition();
+		TAB.getInstance().debug("Loaded PetFix feature");
 	}
 	
 	/**
@@ -43,13 +45,16 @@ public class PetFix implements RawPacketListener, QuitEventListener {
 	 * @return position of pet owner field based on server version
 	 */
 	private int getPetOwnerPosition() {
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 15) {
+		if (nms.minorVersion >= 17) {
+			//1.17.x
+			return 18;
+		} else if (nms.minorVersion >= 15) {
 			//1.15.x, 1.16.x
 			return 17;
-		} else if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 14) {
+		} else if (nms.minorVersion >= 14) {
 			//1.14.x
 			return 16;
-		} else if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 10) {
+		} else if (nms.minorVersion >= 10) {
 			//1.10.x - 1.13.x
 			return 14;
 		} else {
@@ -87,16 +92,19 @@ public class PetFix implements RawPacketListener, QuitEventListener {
 			if (items == null) return;
 			List<Object> newList = new ArrayList<Object>();
 			for (Object item : items) {
-				DataWatcherItem i = DataWatcherItem.fromNMS(item);
-				if (i.type.position == PET_OWNER_POSITION && i.value.toString().startsWith("Optional")) continue;
+				if (nms.DataWatcherObject_SLOT.getInt(nms.DataWatcherItem_TYPE.get(item)) == PET_OWNER_POSITION) {
+					Object value = nms.DataWatcherItem_VALUE.get(item);
+					if (value.getClass().getSimpleName().equals("Optional")) continue;
+				}
 				newList.add(item);
 			}
 			nms.PacketPlayOutEntityMetadata_LIST.set(packet, newList);
 		}
+		//<1.15
 		if (nms.PacketPlayOutSpawnEntityLiving.isInstance(packet) && nms.PacketPlayOutSpawnEntityLiving_DATAWATCHER != null) {
 			DataWatcher watcher = DataWatcher.fromNMS(nms.PacketPlayOutSpawnEntityLiving_DATAWATCHER.get(packet));
 			DataWatcherItem petOwner = watcher.getItem(PET_OWNER_POSITION);
-			if (petOwner != null && petOwner.value.toString().startsWith("Optional")) {
+			if (petOwner != null && petOwner.value.getClass().getSimpleName().equals("Optional")) {
 				watcher.removeValue(PET_OWNER_POSITION);
 				nms.PacketPlayOutSpawnEntityLiving_DATAWATCHER.set(packet, watcher.toNMS());
 			}

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/TabExpansion.java

@@ -60,13 +60,13 @@ public class TabExpansion extends PlaceholderExpansion {
 		if (player == null) return "";
 		TabPlayer p = TAB.getInstance().getPlayer(player.getUniqueId());
 		if (identifier.equals("scoreboard_visible")) {
-			return p.isScoreboardVisible() ? "Enabled" : "Disabled";
+			return translate(p.isScoreboardVisible());
 		}
 		if (identifier.equals("bossbar_visible")) {
-			return p.hasBossbarVisible() ? "Enabled" : "Disabled";
+			return translate(p.hasBossbarVisible());
 		}
 		if (identifier.equals("ntpreview")) {
-			return p.isPreviewingNametag() ? "Enabled" : "Disabled";
+			return translate(p.isPreviewingNametag());
 		}
 		if (identifier.startsWith("replace_")) {
 			return findReplacement("%" + identifier.substring(8) + "%", player);
@@ -78,6 +78,10 @@ public class TabExpansion extends PlaceholderExpansion {
 		return getProperty(identifier, p);
 	}
 	
+	private String translate(boolean b) {
+		return b ? "Enabled" : "Disabled";
+	}
+	
 	/**
 	 * Find replacement for specified placeholder
 	 * @param placeholder - placeholder to find replacement for

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/unlimitedtags/BukkitArmorStand.java

@@ -10,6 +10,7 @@ import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
+import org.bukkit.entity.Pose;
 import org.bukkit.potion.PotionEffectType;
 
 import me.neznamy.tab.api.ArmorStand;
@@ -171,7 +172,7 @@ public class BukkitArmorStand implements ArmorStand {
 		if (this.sneaking == sneaking) return; //idk
 		this.sneaking = sneaking;
 		for (TabPlayer viewer : getNearbyPlayers()) {
-			if (viewer.getVersion().getMinorVersion() == 14 && !(boolean) TAB.getInstance().getConfiguration().getSecretOption("unlimited-nametag-prefix-suffix-mode.always-visible", false)) {
+			if (viewer.getVersion().getMinorVersion() == 14 && !TAB.getInstance().getConfiguration().armorStandsAlwaysVisible) {
 				//1.14.x client sided bug, despawning completely
 				if (sneaking) {
 					viewer.sendPacket(getDestroyPacket(), TabFeature.NAMETAGX);
@@ -275,7 +276,7 @@ public class BukkitArmorStand implements ArmorStand {
 	 */
 	private boolean getVisibility() {
 		if (((BukkitTabPlayer)owner).isDisguised() || (((NameTagX)TAB.getInstance().getFeatureManager().getFeature("nametagx")).playersOnBoats.contains(owner))) return false;
-		if ((boolean) TAB.getInstance().getConfiguration().getSecretOption("unlimited-nametag-prefix-suffix-mode.always-visible", false)) return true;
+		if (TAB.getInstance().getConfiguration().armorStandsAlwaysVisible) return true;
 		return !player.hasPotionEffect(PotionEffectType.INVISIBILITY) && player.getGameMode() != GameMode.SPECTATOR && !owner.hasHiddenNametag() && property.get().length() > 0;
 	}
 
@@ -304,28 +305,33 @@ public class BukkitArmorStand implements ArmorStand {
 	 * @return correct player's Y
 	 */
 	private double getY() {
-		//1.14+ bukkit api bug
+		//1.14+ server sided bug
 		Entity vehicle = player.getVehicle();
 		if (vehicle != null) {
-			if (vehicle.getType() == EntityType.HORSE) {
+			if (vehicle.getType().toString().contains("HORSE")) { //covering all 3 horse types
 				return vehicle.getLocation().getY() + 0.85;
 			}
-			if (vehicle.getType().toString().equals("DONKEY")) {
+			if (vehicle.getType() == EntityType.DONKEY) {
 				return vehicle.getLocation().getY() + 0.525;
 			}
 			if (vehicle.getType() == EntityType.PIG) {
 				return vehicle.getLocation().getY() + 0.325;
 			}
-			if (vehicle.getType().toString().equals("STRIDER")) { //preventing errors on <1.16
+			if (vehicle.getType().toString().equals("STRIDER")) { //added in 1.16
 				return vehicle.getLocation().getY() + 1.15;
 			}
 		}
-		//1.13+ swimming
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 13 && player.isSwimming()) {
-			return player.getLocation().getY()-1.22;
-		}
+        //1.13+ swimming or 1.9+ flying with elytra
+        if (isSwimming() || (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9 && player.isGliding())) {
+            return player.getLocation().getY()-1.22;
+        }
 		return player.getLocation().getY();
 	}
+	
+	private boolean isSwimming() {
+		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 14 && player.getPose() == Pose.SWIMMING) return true;
+		return ProtocolVersion.SERVER_VERSION.getMinorVersion() == 13 && player.isSwimming();
+	}
 
 	@Override
 	public int getEntityId() {

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/unlimitedtags/EventListener.java

@@ -0,0 +1,55 @@
+package me.neznamy.tab.platforms.bukkit.features.unlimitedtags;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerRespawnEvent;
+import org.bukkit.event.player.PlayerToggleSneakEvent;
+
+import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.cpu.TabFeature;
+import me.neznamy.tab.shared.cpu.UsageType;
+
+/**
+ * The event listener part for securing proper functionality of armor stands
+ */
+public class EventListener implements Listener {
+	
+	//the nametag feature handler
+	private NameTagX feature;
+
+	/**
+	 * Constructs new instance with given parameters
+	 * @param feature - nametagx feature handler
+	 */
+	public EventListener(NameTagX feature) {
+		this.feature = feature;
+	}
+	
+	/**
+	 * Sneak event listener to despawn & spawn armor stands to skip animation
+	 * @param e - sneak event
+	 */
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void onSneak(PlayerToggleSneakEvent e) {
+		TabPlayer p = TAB.getInstance().getPlayer(e.getPlayer().getUniqueId());
+		if (p == null || !p.isLoaded() || feature.isDisabledWorld(p.getWorldName()) || feature.isDisabledWorld(feature.disabledUnlimitedWorlds, p.getWorldName())) return;
+		TAB.getInstance().getCPUManager().runMeasuredTask("processing PlayerToggleSneakEvent", TabFeature.NAMETAGX, UsageType.PLAYER_TOGGLE_SNEAK_EVENT, () -> {
+			if (p.getArmorStandManager() != null) p.getArmorStandManager().sneak(e.isSneaking());
+		});
+	}
+	
+	/**
+	 * Respawning armor stands as respawn screen destroys all entities in client
+	 * @param e - respawn event
+	 */
+	@EventHandler
+	public void onRespawn(PlayerRespawnEvent e) {
+		TAB.getInstance().getCPUManager().runMeasuredTask("processing PlayerRespawnEvent", TabFeature.NAMETAGX, UsageType.PLAYER_RESPAWN_EVENT, () -> {
+			TabPlayer respawned = TAB.getInstance().getPlayer(e.getPlayer().getUniqueId());
+			if (feature.isDisabledWorld(respawned.getWorldName()) || feature.isDisabledWorld(feature.disabledUnlimitedWorlds, respawned.getWorldName())) return;
+			respawned.getArmorStandManager().teleport();
+		});
+	}
+}

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/unlimitedtags/NameTagX.java

@@ -3,9 +3,11 @@ package me.neznamy.tab.platforms.bukkit.features.unlimitedtags;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.bukkit.Bukkit;
@@ -16,8 +18,6 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.HandlerList;
 import org.bukkit.plugin.java.JavaPlugin;
 
-import com.google.common.collect.Lists;
-
 import me.neznamy.tab.api.ArmorStand;
 import me.neznamy.tab.api.ArmorStandManager;
 import me.neznamy.tab.api.TabPlayer;
@@ -28,30 +28,20 @@ import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.cpu.TabFeature;
 import me.neznamy.tab.shared.cpu.UsageType;
 import me.neznamy.tab.shared.features.NameTag;
-import me.neznamy.tab.shared.features.types.Loadable;
-import me.neznamy.tab.shared.features.types.event.JoinEventListener;
-import me.neznamy.tab.shared.features.types.event.QuitEventListener;
-import me.neznamy.tab.shared.features.types.event.RespawnEventListener;
-import me.neznamy.tab.shared.features.types.event.SneakEventListener;
-import me.neznamy.tab.shared.features.types.event.WorldChangeListener;
 
 /**
  * The core class for unlimited nametag mode
  */
-public class NameTagX extends NameTag implements Loadable, JoinEventListener, QuitEventListener, WorldChangeListener, RespawnEventListener, SneakEventListener {
+public class NameTagX extends NameTag {
 
-	//entity tracking range
-	public double entityTrackingRange;
-
-	//if using marker tag for 1.8.x clients or not
+	//config options
 	public boolean markerFor18x;
-	
-	//if disable feature on boats or not
 	public boolean disableOnBoats;
-	
-	//space between lines in blocks
 	private double spaceBetweenLines;
 	
+	//list of worlds with unlimited nametag mode disabled
+	protected List<String> disabledUnlimitedWorlds;
+	
 	//list of defined dynamic lines
 	public List<String> dynamicLines = Arrays.asList("belowname", "nametag", "abovename");
 	
@@ -72,6 +62,11 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 	
 	//list of players currently on boats
 	public List<TabPlayer> playersOnBoats = new ArrayList<TabPlayer>();
+	
+	//list of players currently in a vehicle
+	private Map<TabPlayer, Entity> playersInVehicle = new ConcurrentHashMap<TabPlayer, Entity>();
+	
+	private Map<TabPlayer, Location> playerLocations = new ConcurrentHashMap<TabPlayer, Location>();
 
 	/**
 	 * Constructs new instance with given parameters and loads config options
@@ -84,7 +79,7 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 		markerFor18x = tab.getConfiguration().config.getBoolean("unlimited-nametag-prefix-suffix-mode.use-marker-tag-for-1-8-x-clients", false);
 		disableOnBoats = tab.getConfiguration().config.getBoolean("unlimited-nametag-prefix-suffix-mode.disable-on-boats", true);
 		spaceBetweenLines = tab.getConfiguration().config.getDouble("unlimited-nametag-prefix-suffix-mode.space-between-lines", 0.22);
-		entityTrackingRange = tab.getConfiguration().config.getDouble("unlimited-nametag-prefix-suffix-mode.tracking-range", 48);
+		disabledUnlimitedWorlds = tab.getConfiguration().config.getStringList("disable-features-in-worlds.unlimited-nametags", Arrays.asList("disabledworld"));
 		if (tab.getConfiguration().premiumconfig != null) {
 			List<String> realList = tab.getConfiguration().premiumconfig.getStringList("unlimited-nametag-mode-dynamic-lines", Arrays.asList("abovename", "nametag", "belowname", "another"));
 			dynamicLines = new ArrayList<String>();
@@ -96,28 +91,31 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 		eventListener = new EventListener(this);
 		Bukkit.getPluginManager().registerEvents(eventListener, plugin);
 		tab.getFeatureManager().registerFeature("nametagx-packet", new PacketListener(this, nms, tab));
+		tab.debug(String.format("Loaded Unlimited nametag feature with parameters markerFor18x=%s, disableOnBoats=%s, spaceBetweenLines=%s, disabledUnlimitedWorlds=%s",
+				markerFor18x, disableOnBoats, spaceBetweenLines, disabledUnlimitedWorlds));
 	}
 
 	@Override
 	public void load() {
-		for (TabPlayer all : tab.getPlayers()){
+		super.load();
+		for (TabPlayer all : tab.getPlayers()) {
 			entityIdMap.put(((Player) all.getPlayer()).getEntityId(), all);
-			all.setTeamName(sorting.getTeamName(all));
-			updateProperties(all);
-			collision.put(all, true);
 			loadArmorStands(all);
-			if (isDisabledWorld(all.getWorldName())) continue;
-			registerTeam(all);
+			if (isDisabledWorld(all.getWorldName()) || isDisabledWorld(disabledUnlimitedWorlds, all.getWorldName())) continue;
 			loadPassengers(all);
 			for (TabPlayer viewer : tab.getPlayers()) {
 				spawnArmorStands(all, viewer, false);
 			}
 		}
-		startRefreshingTasks();
-		tab.getCPUManager().startRepeatingMeasuredTask(500, "refreshing nametag visibility", getFeatureType(), UsageType.REFRESHING_NAMETAG_VISIBILITY, new Runnable() {
+		startVisibilityRefreshTask();
+		startVehicleTickingTask();
+	}
+	
+	private void startVisibilityRefreshTask() {
+		tab.getCPUManager().startRepeatingMeasuredTask(500, "refreshing nametag visibility", getFeatureType(), UsageType.REFRESHING_NAMETAG_VISIBILITY_AND_COLLISION, new Runnable() {
 			public void run() {
 				for (TabPlayer p : tab.getPlayers()) {
-					if (!p.isLoaded() || isDisabledWorld(p.getWorldName())) continue;
+					if (!p.isLoaded() || isDisabledWorld(p.getWorldName()) || isDisabledWorld(disabledUnlimitedWorlds, p.getWorldName())) continue;
 					p.getArmorStandManager().updateVisibility(false);
 					if (!disableOnBoats) continue;
 					boolean onBoat = ((Player)p.getPlayer()).getVehicle() != null && ((Player)p.getPlayer()).getVehicle().getType() == EntityType.BOAT;
@@ -136,12 +134,70 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 			}
 		});
 	}
+	
+	private void startVehicleTickingTask() {
+		tab.getCPUManager().startRepeatingMeasuredTask(100, "ticking vehicles", TabFeature.NAMETAGX, UsageType.TICKING_VEHICLES, () -> {
+			
+			for (TabPlayer p : TAB.getInstance().getPlayers()) {
+				if (!p.isLoaded()) continue;
+				if (isDisabledWorld(p.getWorldName()) || isDisabledWorld(disabledUnlimitedWorlds, p.getWorldName())) {
+					playersInVehicle.remove(p);
+					playerLocations.remove(p);
+					continue;
+				}
+				processVehicles(p);
+				if (!playerLocations.containsKey(p) || !playerLocations.get(p).equals(((Player)p.getPlayer()).getLocation())) {
+					playerLocations.put(p, ((Player)p.getPlayer()).getLocation());
+					processPassengers((Entity) p.getPlayer());
+					//also updating position if player is previewing since we're here as the code would be same if we want to avoid listening to move event
+					if (p.isPreviewingNametag() && p.getArmorStandManager() != null) {
+						p.getArmorStandManager().teleport(p);
+					}
+				}
+			}
+		});
+	}
+	
+	/**
+	 * Checks for vehicle changes of player and sends packets if needed
+	 * @param p - player to check
+	 */
+	private void processVehicles(TabPlayer p) {
+		Entity vehicle = ((Player)p.getPlayer()).getVehicle();
+		if (playersInVehicle.containsKey(p) && vehicle == null) {
+			//vehicle exit
+			vehicles.remove(playersInVehicle.get(p).getEntityId());
+			p.getArmorStandManager().teleport();
+			playersInVehicle.remove(p);
+		}
+		if (!playersInVehicle.containsKey(p) && vehicle != null) {
+			//vehicle enter
+			vehicles.put(vehicle.getEntityId(), getPassengers(vehicle));
+			p.getArmorStandManager().teleport();
+			playersInVehicle.put(p, vehicle);
+		}
+	}
+	
+	/**
+	 * Teleports armor stands of all passengers on specified vehicle
+	 * @param vehicle - entity to check passengers of
+	 */
+	private void processPassengers(Entity vehicle) {
+		for (Entity passenger : getPassengers(vehicle)) {
+			if (passenger instanceof Player) {
+				TabPlayer pl = TAB.getInstance().getPlayer(passenger.getUniqueId());
+				pl.getArmorStandManager().teleport();
+			} else {
+				processPassengers(passenger);
+			}
+		}
+	}
 
 	@Override
 	public void unload() {
+		super.unload();
 		HandlerList.unregisterAll(eventListener);
 		for (TabPlayer p : tab.getPlayers()) {
-			if (!isDisabledWorld(p.getWorldName())) unregisterTeam(p);
 			if (p.getArmorStandManager() != null) p.getArmorStandManager().destroy();
 		}
 		entityIdMap.clear();
@@ -149,18 +205,10 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 
 	@Override
 	public void onJoin(TabPlayer connectedPlayer) {
+		super.onJoin(connectedPlayer);
 		entityIdMap.put(((Player) connectedPlayer.getPlayer()).getEntityId(), connectedPlayer);
-		connectedPlayer.setTeamName(sorting.getTeamName(connectedPlayer));
-		updateProperties(connectedPlayer);
-		collision.put(connectedPlayer, true);
-		for (TabPlayer all : tab.getPlayers()) {
-			if (!all.isLoaded()) continue; //avoiding NPE when 2 players join at once
-			if (all == connectedPlayer) continue;
-			if (!isDisabledWorld(all.getWorldName())) registerTeam(all, connectedPlayer);
-		}
 		loadArmorStands(connectedPlayer);
-		if (isDisabledWorld(connectedPlayer.getWorldName())) return;
-		registerTeam(connectedPlayer);
+		if (isDisabledWorld(connectedPlayer.getWorldName()) || isDisabledWorld(disabledUnlimitedWorlds, connectedPlayer.getWorldName())) return;
 		loadPassengers(connectedPlayer);
 		for (TabPlayer viewer : tab.getPlayers()) {
 			spawnArmorStands(connectedPlayer, viewer, true);
@@ -191,40 +239,26 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 
 	@Override
 	public void onQuit(TabPlayer disconnectedPlayer) {
-		if (!isDisabledWorld(disconnectedPlayer.getWorldName())) unregisterTeam(disconnectedPlayer);
-		invisiblePlayers.remove(disconnectedPlayer.getName());
-		collision.remove(disconnectedPlayer);
+		super.onQuit(disconnectedPlayer);
 		for (TabPlayer all : tab.getPlayers()) {
 			if (all.getArmorStandManager() != null) all.getArmorStandManager().unregisterPlayer(disconnectedPlayer);
 		}
-		for (TabPlayer all : tab.getPlayers()) {
-			if (all == disconnectedPlayer) continue;
-			all.showNametag(disconnectedPlayer.getUniqueId()); //clearing memory from API method
-		}
 		entityIdMap.remove(((Player) disconnectedPlayer.getPlayer()).getEntityId());
-		eventListener.onQuit(disconnectedPlayer);
-
+		playersInVehicle.remove(disconnectedPlayer);
+		playerLocations.remove(disconnectedPlayer);
 		tab.getCPUManager().runTaskLater(100, "processing onQuit", getFeatureType(), UsageType.PLAYER_QUIT_EVENT, () -> disconnectedPlayer.getArmorStandManager().destroy());
 	}
 
 	@Override
 	public void onWorldChange(TabPlayer p, String from, String to) {
-		if (!p.isLoaded()) return;
-		updateProperties(p);
+		super.onWorldChange(p, from, to);
+		Set<TabPlayer> nearby = p.getArmorStandManager().getNearbyPlayers();
 		p.getArmorStandManager().destroy();
 		loadArmorStands(p);
 		loadPassengers(p);
 		for (TabPlayer viewer : tab.getPlayers()) {
-			spawnArmorStands(p, viewer, true);
 			viewer.getArmorStandManager().destroy(p);
-		}
-		if (isDisabledWorld(p.getWorldName()) && !isDisabledWorld(disabledWorlds, from)) {
-			unregisterTeam(p);
-		} else if (!isDisabledWorld(p.getWorldName()) && isDisabledWorld(disabledWorlds, from)) {
-			registerTeam(p);
-		} else {
-			updateTeam(p);
-			p.getArmorStandManager().refresh();
+			if (nearby.contains(viewer) && to.equals(viewer.getWorldName())) spawnArmorStands(p, viewer, true);
 		}
 	}
 	
@@ -237,9 +271,11 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 	private void spawnArmorStands(TabPlayer owner, TabPlayer viewer, boolean sendMutually) {
 		if (owner == viewer) return; //not displaying own armorstands
 		if (((Player) viewer.getPlayer()).getWorld() != ((Player) owner.getPlayer()).getWorld()) return; //different world
-		if (getDistance(viewer, owner) <= entityTrackingRange) {
-			if (((Player)viewer.getPlayer()).canSee((Player)owner.getPlayer())) owner.getArmorStandManager().spawn(viewer);
-			if (sendMutually && viewer.getArmorStandManager() != null && ((Player)owner.getPlayer()).canSee((Player)viewer.getPlayer())) viewer.getArmorStandManager().spawn(owner);
+		if (isDisabledWorld(owner.getWorldName()) || isDisabledWorld(disabledUnlimitedWorlds, owner.getWorldName())) return;
+		if (getDistance(viewer, owner) <= 48) {
+			if (((Player)viewer.getPlayer()).canSee((Player)owner.getPlayer()) && !owner.isVanished()) owner.getArmorStandManager().spawn(viewer);
+			if (sendMutually && viewer.getArmorStandManager() != null && ((Player)owner.getPlayer()).canSee((Player)viewer.getPlayer()) 
+					&& !viewer.isVanished()) viewer.getArmorStandManager().spawn(owner);
 		}
 	}
 
@@ -259,7 +295,7 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 		for (Entry<String, Object> line : staticLines.entrySet()) {
 			Property p = pl.getProperty(line.getKey());
 			if (p.getCurrentRawValue().length() == 0) continue;
-			pl.getArmorStandManager().addArmorStand(line.getKey(), new BukkitArmorStand(idCounter++, pl, p, Double.parseDouble(line.getValue()+""), true));
+			pl.getArmorStandManager().addArmorStand(line.getKey(), new BukkitArmorStand(idCounter++, pl, p, Double.parseDouble(line.getValue().toString()), true));
 		}
 		fixArmorStandHeights(pl);
 	}
@@ -282,24 +318,12 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 
 	@Override
 	public void refresh(TabPlayer refreshed, boolean force) {
-		if (isDisabledWorld(refreshed.getWorldName())) return;
-		boolean refresh;
-		if (force) {
-			updateProperties(refreshed);
-			refresh = true;
-		} else {
-			boolean prefix = refreshed.getProperty("tagprefix").update();
-			boolean suffix = refreshed.getProperty("tagsuffix").update();
-			refresh = prefix || suffix;
-		}
-		if (refresh) updateTeam(refreshed);
+		super.refresh(refreshed, force);
+		if (isDisabledWorld(refreshed.getWorldName()) || isDisabledWorld(disabledUnlimitedWorlds, refreshed.getWorldName())) return;
 		if (force) {
 			refreshed.getArmorStandManager().destroy();
 			loadArmorStands(refreshed);
-			if (((Entity) refreshed.getPlayer()).getVehicle() != null) {
-				Entity vehicle = ((Entity) refreshed.getPlayer()).getVehicle();
-				vehicles.put(vehicle.getEntityId(), getPassengers(vehicle));
-			}
+			loadPassengers(refreshed);
 			for (TabPlayer viewer : tab.getPlayers()) {
 				if (viewer == refreshed) continue;
 				if (viewer.getWorldName().equals(refreshed.getWorldName())) {
@@ -322,10 +346,9 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 	 * Updates raw values of properties for specified player
 	 * @param p - player to update
 	 */
-	private void updateProperties(TabPlayer p) {
-		p.loadPropertyFromConfig("tagprefix");
+	public void updateProperties(TabPlayer p) {
+		super.updateProperties(p);
 		p.loadPropertyFromConfig("customtagname", p.getName());
-		p.loadPropertyFromConfig("tagsuffix");
 		p.setProperty("nametag", p.getProperty("tagprefix").getCurrentRawValue() + p.getProperty("customtagname").getCurrentRawValue() + p.getProperty("tagsuffix").getCurrentRawValue());
 		for (String property : dynamicLines) {
 			if (!property.equals("nametag")) p.loadPropertyFromConfig(property);
@@ -346,7 +369,7 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 			return vehicle.getPassengers();
 		} else {
 			if (vehicle.getPassenger() != null) {
-				return Lists.newArrayList(vehicle.getPassenger()); 
+				return Arrays.asList(vehicle.getPassenger());
 			} else {
 				return new ArrayList<Entity>();
 			}
@@ -355,13 +378,18 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 
 	@Override
 	public void refreshUsedPlaceholders() {
-		usedPlaceholders = tab.getConfiguration().config.getUsedPlaceholderIdentifiersRecursive("tagprefix", "customtagname", "tagsuffix");
+		usedPlaceholders = new HashSet<>(tab.getConfiguration().config.getUsedPlaceholderIdentifiersRecursive("tagprefix", "customtagname", "tagsuffix"));
 		for (String line : dynamicLines) {
 			usedPlaceholders.addAll(tab.getConfiguration().config.getUsedPlaceholderIdentifiersRecursive(line));
 		}
 		for (String line : staticLines.keySet()) {
 			usedPlaceholders.addAll(tab.getConfiguration().config.getUsedPlaceholderIdentifiersRecursive(line));
 		}
+		for (TabPlayer p : tab.getPlayers()) {
+			usedPlaceholders.addAll(tab.getPlaceholderManager().getUsedPlaceholderIdentifiersRecursive(p.getProperty("tagprefix").getCurrentRawValue(), 
+					p.getProperty("customtagname").getCurrentRawValue(), p.getProperty("tagsuffix").getCurrentRawValue(),
+					p.getProperty("abovename").getCurrentRawValue(), p.getProperty("belowname").getCurrentRawValue()));
+		}
 	}
 
 	@Override
@@ -369,20 +397,9 @@ public class NameTagX extends NameTag implements Loadable, JoinEventListener, Qu
 		return TabFeature.NAMETAGX;
 	}
 
-	@Override
-	public void onRespawn(TabPlayer respawned) {
-		if (isDisabledWorld(respawned.getWorldName())) return;
-		respawned.getArmorStandManager().teleport();
-	}
-
-	@Override
-	public void onSneak(TabPlayer player, boolean isSneaking) {
-		if (isDisabledWorld(player.getWorldName())) return;
-		player.getArmorStandManager().sneak(isSneaking);
-	}
-
 	@Override
 	public boolean getTeamVisibility(TabPlayer p, TabPlayer viewer) {
-		return playersOnBoats.contains(p);
+		//only visible if player is on boat & config option is enabled and player is not invisible (1.8 bug) or feature is disabled
+		return (playersOnBoats.contains(p) && !invisiblePlayers.contains(p.getName())) || isDisabledWorld(disabledUnlimitedWorlds, p.getWorldName());
 	}
 }

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/unlimitedtags/PacketListener.java

@@ -10,17 +10,13 @@ import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.cpu.TabFeature;
 import me.neznamy.tab.shared.cpu.UsageType;
-import me.neznamy.tab.shared.features.types.packet.PlayerInfoPacketListener;
 import me.neznamy.tab.shared.features.types.packet.RawPacketListener;
-import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo;
-import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo.EnumPlayerInfoAction;
-import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo.PlayerInfoData;
 
 /**
  * The packet listening part for securing proper functionality of armor stands
  * Bukkit events are too unreliable and delayed/ahead which causes desync
  */
-public class PacketListener implements RawPacketListener, PlayerInfoPacketListener {
+public class PacketListener implements RawPacketListener {
 
 	//main feature
 	private NameTagX nameTagX;
@@ -30,9 +26,6 @@ public class PacketListener implements RawPacketListener, PlayerInfoPacketListen
 	
 	//tab instance
 	private TAB tab;
-	
-	//if modifying npc names or not
-	private boolean modifyNPCnames;
 
 	/**
 	 * Constructs new instance with given parameters and loads config options
@@ -44,7 +37,6 @@ public class PacketListener implements RawPacketListener, PlayerInfoPacketListen
 		this.nameTagX = nameTagX;
 		this.nms = nms;
 		this.tab = tab;
-		modifyNPCnames = tab.getConfiguration().config.getBoolean("unlimited-nametag-prefix-suffix-mode.modify-npc-names", false);
 	}
 
 	@Override
@@ -68,9 +60,28 @@ public class PacketListener implements RawPacketListener, PlayerInfoPacketListen
 
 	@Override
 	public void onPacketSend(TabPlayer receiver, Object packet) throws Throwable {
-		if (nms.PacketPlayOutEntity.isInstance(packet) && !packet.getClass().getSimpleName().equals("PacketPlayOutEntityLook")) {
+		if (receiver.getVersion().getMinorVersion() < 8) return;
+		//using bukkit player to check world due to old data on world change due to asynchronous processing & world name changing
+		String world = ((Player)receiver.getPlayer()).getWorld().getName();
+		if (!receiver.isLoaded() || nameTagX.isDisabledWorld(world) || nameTagX.isDisabledWorld(nameTagX.disabledUnlimitedWorlds, world)) return;
+		if (nms.PacketPlayOutEntity.isInstance(packet) && !nms.PacketPlayOutEntityLook.isInstance(packet)) { //ignoring head rotation only packets
 			onEntityMove(receiver, nms.PacketPlayOutEntity_ENTITYID.getInt(packet));
 		}
+		if (nms.PacketPlayOutEntityTeleport.isInstance(packet)) {
+			onEntityMove(receiver, nms.PacketPlayOutEntityTeleport_ENTITYID.getInt(packet));
+		}
+		if (nms.PacketPlayOutNamedEntitySpawn.isInstance(packet)) {
+			onEntitySpawn(receiver, nms.PacketPlayOutNamedEntitySpawn_ENTITYID.getInt(packet));
+		}
+		if (nms.PacketPlayOutEntityDestroy.isInstance(packet)) {
+			if (nms.minorVersion >= 17) {
+				onEntityDestroy(receiver, nms.PacketPlayOutEntityDestroy_ENTITIES.getInt(packet));
+			} else {
+				for (int entity : (int[]) nms.PacketPlayOutEntityDestroy_ENTITIES.get(packet)) {
+					onEntityDestroy(receiver, entity);
+				}
+			}
+		}
 	}
 
 	/**
@@ -83,33 +94,31 @@ public class PacketListener implements RawPacketListener, PlayerInfoPacketListen
 		List<Entity> vehicleList;
 		if (pl != null) {
 			//player moved
-			if (!pl.isLoaded() || nameTagX.isDisabledWorld(pl.getWorldName())) return;
 			tab.getCPUManager().runMeasuredTask("processing EntityMove", getFeatureType(), UsageType.PACKET_ENTITY_MOVE, () -> pl.getArmorStandManager().teleport(receiver));
 		} else if ((vehicleList = nameTagX.vehicles.get(entityId)) != null){
 			//a vehicle carrying something moved
 			for (Entity entity : vehicleList) {
 				TabPlayer passenger = nameTagX.entityIdMap.get(entity.getEntityId());
-				if (passenger != null && passenger.getArmorStandManager() != null && !nameTagX.isDisabledWorld(passenger.getWorldName())) {
+				if (passenger != null && passenger.getArmorStandManager() != null) {
 					tab.getCPUManager().runMeasuredTask("processing EntityMove", getFeatureType(), UsageType.PACKET_ENTITY_MOVE, () -> passenger.getArmorStandManager().teleport(receiver));
 				}
 			}
 		}
 	}
-
-	@Override
-	public void onPacketSend(TabPlayer receiver, PacketPlayOutPlayerInfo info) {
-		if (!modifyNPCnames || info.action != EnumPlayerInfoAction.ADD_PLAYER) return;
-		for (PlayerInfoData playerInfoData : info.entries) {
-			if (tab.getPlayerByTablistUUID(playerInfoData.uniqueId) == null && playerInfoData.name.length() <= 15) {
-				if (playerInfoData.name.length() <= 14) {
-					playerInfoData.name += "\u00a7r";
-				} else {
-					playerInfoData.name += " ";
-				}
-			}
+	
+	public void onEntitySpawn(TabPlayer receiver, int entityId) {
+		TabPlayer spawnedPlayer = nameTagX.entityIdMap.get(entityId);
+		if (spawnedPlayer != null && spawnedPlayer.isLoaded()) {
+			tab.getCPUManager().runMeasuredTask("processing NamedEntitySpawn", getFeatureType(), UsageType.PACKET_NAMED_ENTITY_SPAWN, () -> spawnedPlayer.getArmorStandManager().spawn(receiver));
 		}
 	}
 
+	public void onEntityDestroy(TabPlayer receiver, int entity) {
+		TabPlayer despawnedPlayer = nameTagX.entityIdMap.get(entity);
+		if (despawnedPlayer != null && despawnedPlayer.isLoaded()) 
+			tab.getCPUManager().runMeasuredTask("processing EntityDestroy", getFeatureType(), UsageType.PACKET_ENTITY_DESTROY, () -> despawnedPlayer.getArmorStandManager().destroy(receiver));
+	}
+
 	@Override
 	public TabFeature getFeatureType() {
 		return TabFeature.NAMETAGX;

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/nms/NMSStorage.java

@@ -0,0 +1,664 @@
+package me.neznamy.tab.platforms.bukkit.nms;
+
+import java.lang.reflect.Array;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.UUID;
+
+import org.bukkit.Bukkit;
+
+import io.netty.channel.Channel;
+import me.neznamy.tab.platforms.bukkit.Main;
+import me.neznamy.tab.platforms.bukkit.nms.datawatcher.DataWatcherRegistry;
+
+@SuppressWarnings({"unchecked", "rawtypes"})
+public class NMSStorage {
+
+	//instance of this class
+	private static NMSStorage instance;
+
+	//data watcher registry
+	public DataWatcherRegistry dataWatcherRegistry;
+
+	//server package, such as "v1_16_R3"
+	private String serverPackage;
+
+	//server minor version such as "16"
+	public int minorVersion;
+
+	public Class<?> Entity;
+	public Class<?> EntityLiving;
+	private Class<?> Packet;
+	private Class<?> PlayerConnection;
+	private Class<?> NetworkManager;
+	public Class<?> EntityPlayer;
+	public Field PING;
+	public Field PLAYER_CONNECTION;
+	public Field NETWORK_MANAGER;
+	public Field CHANNEL;
+	public Method getHandle;
+	public Method getProfile;
+	public Method sendPacket;
+
+	//chat
+	public Class<Enum> EnumChatFormat;
+	private Class<?> IChatBaseComponent;
+	private Class<?> ChatBaseComponent;
+	private Class<?> ChatSerializer;
+	private Class<?> EnumClickAction;
+	private Class<?> EnumHoverAction;
+	private Class<?> ChatModifier;
+	public Class<?> ChatComponentText;
+	private Class<?> ChatClickable;
+	private Class<?> ChatHoverable;
+	private Class<?> ChatHexColor;
+	public Constructor<?> newChatComponentText;
+	public Constructor<?> newChatClickable;
+	public Constructor<?> newChatHoverable;
+	public Constructor<?> newChatModifier;
+	public Field ChatBaseComponent_extra;
+	public Field ChatBaseComponent_modifier;
+	public Field ChatClickable_action;
+	public Field ChatClickable_value;
+	public Field ChatHexColor_name;
+	public Field ChatHexColor_rgb;
+	public Field ChatHoverable_action;
+	public Field ChatHoverable_value;
+	public Field ChatModifier_color;
+	public Field ChatModifier_bold;
+	public Field ChatModifier_italic;
+	public Field ChatModifier_underlined;
+	public Field ChatModifier_strikethrough;
+	public Field ChatModifier_obfuscated;
+	public Field ChatModifier_clickEvent;
+	public Field ChatModifier_hoverEvent;
+	public Field ChatComponentText_text;
+	public Method ChatSerializer_DESERIALIZE;
+	public Method EnumClickAction_a;
+	public Method EnumHoverAction_a;
+	public Method ChatHexColor_ofInt;
+	public Method ChatHexColor_ofString;
+	public Method ChatComponentText_addSibling;
+
+	//PacketPlayOutChat
+	private Class<?> PacketPlayOutChat;
+	public Class<Enum> ChatMessageType;
+	public Constructor<?> newPacketPlayOutChat;
+
+	//PacketPlayOutPlayerListHeaderFooter
+	public Class<?> PacketPlayOutPlayerListHeaderFooter;
+	public Constructor<?> newPacketPlayOutPlayerListHeaderFooter;
+	public Field PacketPlayOutPlayerListHeaderFooter_HEADER;
+	public Field PacketPlayOutPlayerListHeaderFooter_FOOTER;
+
+	//PacketPlayOutScoreboardDisplayObjective
+	public Class<?> PacketPlayOutScoreboardDisplayObjective;
+	public Constructor<?> newPacketPlayOutScoreboardDisplayObjective;
+	public Field PacketPlayOutScoreboardDisplayObjective_POSITION;
+	public Field PacketPlayOutScoreboardDisplayObjective_OBJECTIVENAME;
+
+	//PacketPlayOutScoreboardObjective
+	public Class<?> PacketPlayOutScoreboardObjective;
+	public Class<?> IScoreboardCriteria;
+	private Class<?> ScoreboardObjective;
+	public Class<Enum> EnumScoreboardHealthDisplay;
+	public Constructor<?> newPacketPlayOutScoreboardObjective;
+	public Constructor<?> newScoreboardObjective;
+	public Field PacketPlayOutScoreboardObjective_OBJECTIVENAME;
+	public Field PacketPlayOutScoreboardObjective_DISPLAYNAME;
+	public Field PacketPlayOutScoreboardObjective_RENDERTYPE;
+	public Field PacketPlayOutScoreboardObjective_METHOD;
+
+	//PacketPlayOutScoreboardScore
+	private Class<?> PacketPlayOutScoreboardScore;
+	private Class<?> ScoreboardScore;
+	public Class<Enum> EnumScoreboardAction;
+	public Constructor<?> newPacketPlayOutScoreboardScore;
+	public Constructor<?> newPacketPlayOutScoreboardScore_String;
+	public Constructor<?> newPacketPlayOutScoreboardScore_1_13;
+	public Constructor<?> newScoreboardScore;
+	public Method ScoreboardScore_setScore;
+
+	//PacketPlayOutScoreboardTeam
+	public Class<?> PacketPlayOutScoreboardTeam;
+	public Class<?> EnumNameTagVisibility;
+	public Class<?> EnumTeamPush;
+	public Constructor<?> newPacketPlayOutScoreboardTeam;
+	public Field PacketPlayOutScoreboardTeam_NAME;
+	public Field PacketPlayOutScoreboardTeam_PLAYERS;
+	private Class<?> Scoreboard;
+	private Class<?> ScoreboardTeam;
+	public Constructor<?> newScoreboard;
+	public Constructor<?> newScoreboardTeam;
+	public Method ScoreboardTeam_setPrefix;
+	public Method ScoreboardTeam_setSuffix;
+	public Method ScoreboardTeam_setNameTagVisibility;
+	public Method ScoreboardTeam_setCollisionRule;
+	public Method ScoreboardTeam_setColor;
+	public Method ScoreboardTeam_getPlayerNameSet;
+	//1.17
+	public Class<?> PacketPlayOutScoreboardTeam_a;
+	public Method PacketPlayOutScoreboardTeam_of;
+	public Method PacketPlayOutScoreboardTeam_ofBoolean;
+	public Method PacketPlayOutScoreboardTeam_ofString;
+
+
+	//PacketPlayOutPlayerInfo
+	public Class<?> PacketPlayOutPlayerInfo;
+	public Class<Enum> EnumGamemode;
+	public Class<Enum> EnumPlayerInfoAction;
+	private Class<?> PlayerInfoData;
+	public Constructor<?> newPacketPlayOutPlayerInfo;
+	public Constructor<?> newPlayerInfoData;
+	public Field PacketPlayOutPlayerInfo_ACTION;
+	public Field PacketPlayOutPlayerInfo_PLAYERS;
+    public Method PlayerInfoData_getProfile;
+    public Method PlayerInfoData_getLatency;
+    public Method PlayerInfoData_getGamemode;
+    public Method PlayerInfoData_getDisplayName;
+
+	public Class<?> PacketPlayOutEntityDestroy;
+	public Constructor<?> newPacketPlayOutEntityDestroy;
+	public Field PacketPlayOutEntityDestroy_ENTITIES;
+
+	public Class<?> PacketPlayInUseEntity;
+	private Class<?> EnumEntityUseAction;
+	public Field PacketPlayInUseEntity_ENTITY;
+	public Field PacketPlayInUseEntity_ACTION;
+
+	public Class<?> PacketPlayOutNamedEntitySpawn;
+	public Field PacketPlayOutNamedEntitySpawn_ENTITYID;
+
+	public Class<?> PacketPlayOutEntity;
+	public Class<?> PacketPlayOutEntityLook;
+	public Field PacketPlayOutEntity_ENTITYID;
+
+	public Class<?> PacketPlayOutEntityTeleport;
+	public Constructor<?> newPacketPlayOutEntityTeleport;
+	public Field PacketPlayOutEntityTeleport_ENTITYID;
+	public Field PacketPlayOutEntityTeleport_X;
+	public Field PacketPlayOutEntityTeleport_Y;
+	public Field PacketPlayOutEntityTeleport_Z;
+	public Field PacketPlayOutEntityTeleport_YAW;
+	public Field PacketPlayOutEntityTeleport_PITCH;
+
+	public Class<?> PacketPlayOutEntityMetadata;
+	public Constructor<?> newPacketPlayOutEntityMetadata;
+	public Field PacketPlayOutEntityMetadata_LIST;
+
+	public Class<?> PacketPlayOutSpawnEntityLiving;
+	public Constructor<?> newPacketPlayOutSpawnEntityLiving;
+	public Field PacketPlayOutSpawnEntityLiving_ENTITYID;
+	public Field PacketPlayOutSpawnEntityLiving_UUID;
+	public Field PacketPlayOutSpawnEntityLiving_ENTITYTYPE;
+	public Field PacketPlayOutSpawnEntityLiving_X;
+	public Field PacketPlayOutSpawnEntityLiving_Y;
+	public Field PacketPlayOutSpawnEntityLiving_Z;
+	public Field PacketPlayOutSpawnEntityLiving_YAW;
+	public Field PacketPlayOutSpawnEntityLiving_PITCH;
+	public Field PacketPlayOutSpawnEntityLiving_DATAWATCHER;
+
+	//DataWatcher
+	private Class<?> DataWatcher;
+	public Constructor<?> newDataWatcher;
+	public Method DataWatcher_REGISTER;
+
+	private Class<?> DataWatcherItem;
+	public Field DataWatcherItem_TYPE;
+	public Field DataWatcherItem_VALUE;
+
+	private Class<?> DataWatcherObject;
+	public Constructor<?> newDataWatcherObject;
+	public Field DataWatcherObject_SLOT;
+	public Field DataWatcherObject_SERIALIZER;
+
+	private Class<?> DataWatcherRegistry;
+	private Class<?> DataWatcherSerializer;
+
+	/**
+	 * Creates new instance, initializes required NMS classes and fields
+	 * @throws Exception - if something fails
+	 */
+	public NMSStorage() throws Exception {
+		serverPackage = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
+		minorVersion = Integer.parseInt(serverPackage.split("_")[1]);
+		initializeClasses();
+		initializeConstructors();
+		initializeFields();
+		initializeMethods();
+		dataWatcherRegistry = new DataWatcherRegistry(this, DataWatcherRegistry);
+	}
+
+	/**
+	 * Sets new instance
+	 * @param instance - new instance
+	 */
+	public static void setInstance(NMSStorage instance) {
+		NMSStorage.instance = instance;
+	}
+
+	/**
+	 * Returns instance
+	 * @return instance
+	 */
+	public static NMSStorage getInstance() {
+		return instance;
+	}
+
+	/**
+	 * Initializes required NMS classes
+	 * @throws Exception - if something fails
+	 */
+	private void initializeClasses() throws Exception {
+		DataWatcher = getNMSClass("net.minecraft.network.syncher.DataWatcher", "DataWatcher");
+		DataWatcherItem = getNMSClass("net.minecraft.network.syncher.DataWatcher$Item", "DataWatcher$Item", "DataWatcher$WatchableObject", "WatchableObject");
+		EntityPlayer = getNMSClass("net.minecraft.server.level.EntityPlayer", "EntityPlayer");
+		EnumChatFormat = (Class<Enum>) getNMSClass("net.minecraft.EnumChatFormat", "EnumChatFormat");
+		Entity = getNMSClass("net.minecraft.world.entity.Entity", "Entity");
+		EntityLiving = getNMSClass("net.minecraft.world.entity.EntityLiving", "EntityLiving");
+		Packet = getNMSClass("net.minecraft.network.protocol.Packet", "Packet");
+		PacketPlayInUseEntity = getNMSClass("net.minecraft.network.protocol.game.PacketPlayInUseEntity", "PacketPlayInUseEntity", "Packet7UseEntity");
+		PacketPlayOutChat = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutChat", "PacketPlayOutChat", "Packet3Chat");
+		PacketPlayOutEntity = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutEntity", "PacketPlayOutEntity", "Packet30Entity");
+		PacketPlayOutEntityDestroy = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutEntityDestroy", "PacketPlayOutEntityDestroy", "Packet29DestroyEntity");
+		PacketPlayOutEntityLook = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutEntity$PacketPlayOutEntityLook", "PacketPlayOutEntity$PacketPlayOutEntityLook", "PacketPlayOutEntityLook", "Packet32EntityLook");
+		PacketPlayOutEntityMetadata = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata", "PacketPlayOutEntityMetadata", "Packet40EntityMetadata");
+		PacketPlayOutEntityTeleport = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutEntityTeleport", "PacketPlayOutEntityTeleport", "Packet34EntityTeleport");
+		PacketPlayOutNamedEntitySpawn = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutNamedEntitySpawn", "PacketPlayOutNamedEntitySpawn", "Packet20NamedEntitySpawn");
+		PacketPlayOutScoreboardDisplayObjective = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutScoreboardDisplayObjective", "PacketPlayOutScoreboardDisplayObjective", "Packet208SetScoreboardDisplayObjective");
+		PacketPlayOutScoreboardObjective = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutScoreboardObjective", "PacketPlayOutScoreboardObjective", "Packet206SetScoreboardObjective");
+		PacketPlayOutScoreboardScore = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutScoreboardScore", "PacketPlayOutScoreboardScore", "Packet207SetScoreboardScore");
+		PacketPlayOutScoreboardTeam = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutScoreboardTeam", "PacketPlayOutScoreboardTeam", "Packet209SetScoreboardTeam");
+		PacketPlayOutSpawnEntityLiving = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutSpawnEntityLiving", "PacketPlayOutSpawnEntityLiving", "Packet24MobSpawn");
+		PlayerConnection = getNMSClass("net.minecraft.server.network.PlayerConnection", "PlayerConnection");
+		NetworkManager = getNMSClass("net.minecraft.network.NetworkManager", "NetworkManager");
+		Scoreboard = getNMSClass("net.minecraft.world.scores.Scoreboard", "Scoreboard");
+		ScoreboardObjective = getNMSClass("net.minecraft.world.scores.ScoreboardObjective", "ScoreboardObjective");
+		ScoreboardTeam = getNMSClass("net.minecraft.world.scores.ScoreboardTeam", "ScoreboardTeam");
+		ScoreboardScore = getNMSClass("net.minecraft.world.scores.ScoreboardScore", "ScoreboardScore");
+		IScoreboardCriteria = getNMSClass("net.minecraft.world.scores.criteria.IScoreboardCriteria", "IScoreboardCriteria");
+
+		if (minorVersion >= 7) {
+			ChatBaseComponent = getNMSClass("net.minecraft.network.chat.ChatBaseComponent", "ChatBaseComponent");
+			ChatClickable = getNMSClass("net.minecraft.network.chat.ChatClickable", "ChatClickable");
+			ChatComponentText = getNMSClass("net.minecraft.network.chat.ChatComponentText", "ChatComponentText");
+			ChatHoverable = getNMSClass("net.minecraft.network.chat.ChatHoverable", "ChatHoverable");
+			ChatModifier = getNMSClass("net.minecraft.network.chat.ChatModifier", "ChatModifier");
+			ChatSerializer = getNMSClass("net.minecraft.network.chat.IChatBaseComponent$ChatSerializer", "IChatBaseComponent$ChatSerializer", "ChatSerializer");
+			EnumClickAction = getNMSClass("net.minecraft.network.chat.ChatClickable$EnumClickAction", "ChatClickable$EnumClickAction", "EnumClickAction");
+			EnumHoverAction = getNMSClass("net.minecraft.network.chat.ChatHoverable$EnumHoverAction", "ChatHoverable$EnumHoverAction", "EnumHoverAction");
+			IChatBaseComponent = getNMSClass("net.minecraft.network.chat.IChatBaseComponent", "IChatBaseComponent");
+			EnumEntityUseAction = getNMSClass("net.minecraft.network.protocol.game.PacketPlayInUseEntity$EnumEntityUseAction", "PacketPlayInUseEntity$EnumEntityUseAction", "EnumEntityUseAction");
+		}
+
+		if (minorVersion >= 8) {
+			PacketPlayOutPlayerInfo = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutPlayerInfo", "PacketPlayOutPlayerInfo");
+			PacketPlayOutPlayerListHeaderFooter = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutPlayerListHeaderFooter", "PacketPlayOutPlayerListHeaderFooter");
+			EnumPlayerInfoAction = (Class<Enum>) getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutPlayerInfo$EnumPlayerInfoAction", "PacketPlayOutPlayerInfo$EnumPlayerInfoAction", "EnumPlayerInfoAction");
+			PlayerInfoData = getNMSClass("net.minecraft.network.protocol.game.PacketPlayOutPlayerInfo$PlayerInfoData", "PacketPlayOutPlayerInfo$PlayerInfoData", "PlayerInfoData");
+			EnumScoreboardHealthDisplay = (Class<Enum>) getNMSClass("net.minecraft.world.scores.criteria.IScoreboardCriteria$EnumScoreboardHealthDisplay", "IScoreboardCriteria$EnumScoreboardHealthDisplay", "EnumScoreboardHealthDisplay");
+			EnumGamemode = (Class<Enum>) getNMSClass("net.minecraft.world.level.EnumGamemode", "EnumGamemode", "WorldSettings$EnumGamemode");
+			EnumScoreboardAction = (Class<Enum>) getNMSClass("net.minecraft.server.ScoreboardServer$Action", "ScoreboardServer$Action", "PacketPlayOutScoreboardScore$EnumScoreboardAction", "EnumScoreboardAction");
+			EnumNameTagVisibility = getNMSClass("net.minecraft.world.scores.ScoreboardTeamBase$EnumNameTagVisibility", "ScoreboardTeamBase$EnumNameTagVisibility", "EnumNameTagVisibility");
+		}
+		if (minorVersion >= 9) {
+			DataWatcherObject = getNMSClass("net.minecraft.network.syncher.DataWatcherObject", "DataWatcherObject");
+			DataWatcherRegistry = getNMSClass("net.minecraft.network.syncher.DataWatcherRegistry", "DataWatcherRegistry");
+			DataWatcherSerializer = getNMSClass("net.minecraft.network.syncher.DataWatcherSerializer", "DataWatcherSerializer");
+			EnumTeamPush = getNMSClass("net.minecraft.world.scores.ScoreboardTeamBase$EnumTeamPush", "ScoreboardTeamBase$EnumTeamPush");
+			
+		}
+		if (minorVersion >= 12) {
+			ChatMessageType = (Class<Enum>) getNMSClass("net.minecraft.network.chat.ChatMessageType", "ChatMessageType");
+		}
+		if (minorVersion >= 16) {
+			ChatHexColor = getNMSClass("net.minecraft.network.chat.ChatHexColor", "ChatHexColor");
+		}
+		if (minorVersion >= 17) {
+			PacketPlayOutScoreboardTeam_a = Class.forName("net.minecraft.network.protocol.game.PacketPlayOutScoreboardTeam$a");
+		}
+	}
+
+	/**
+	 * Initializes required NMS constructors
+	 * @throws Exception - if something fails
+	 */
+	private void initializeConstructors() throws Exception {
+		newDataWatcher = DataWatcher.getConstructors()[0];
+		newPacketPlayOutEntityMetadata = PacketPlayOutEntityMetadata.getConstructor(int.class, DataWatcher, boolean.class);
+		newScoreboardObjective = ScoreboardObjective.getConstructors()[0];
+		newScoreboard = Scoreboard.getConstructor();
+		newScoreboardTeam = ScoreboardTeam.getConstructor(Scoreboard, String.class);
+		newScoreboardScore = ScoreboardScore.getConstructor(Scoreboard, ScoreboardObjective, String.class);
+		newPacketPlayOutEntityDestroy = getConstructor(PacketPlayOutEntityDestroy, 1);
+		newPacketPlayOutEntityTeleport = PacketPlayOutEntityTeleport.getConstructor(Entity);
+		newPacketPlayOutSpawnEntityLiving = PacketPlayOutSpawnEntityLiving.getConstructor(EntityLiving);
+		newPacketPlayOutScoreboardDisplayObjective = PacketPlayOutScoreboardDisplayObjective.getConstructor(int.class, ScoreboardObjective);
+		if (minorVersion >= 7) {
+			newChatComponentText = ChatComponentText.getConstructor(String.class);
+			newChatClickable = ChatClickable.getConstructor(EnumClickAction, String.class);
+			newChatHoverable = ChatHoverable.getConstructors()[0];
+		}
+		if (minorVersion >= 8) {
+			newPacketPlayOutPlayerListHeaderFooter = PacketPlayOutPlayerListHeaderFooter.getConstructors()[0];
+			newPacketPlayOutPlayerInfo = PacketPlayOutPlayerInfo.getConstructor(EnumPlayerInfoAction, Array.newInstance(EntityPlayer, 0).getClass());
+			newPlayerInfoData = PlayerInfoData.getConstructors()[0];
+		}
+		if (minorVersion >= 9) {
+			newDataWatcherObject = DataWatcherObject.getConstructors()[0];
+		}
+		if (minorVersion >= 13) {
+			newPacketPlayOutScoreboardObjective = PacketPlayOutScoreboardObjective.getConstructor(ScoreboardObjective, int.class);
+			newPacketPlayOutScoreboardScore_1_13 = PacketPlayOutScoreboardScore.getConstructor(EnumScoreboardAction, String.class, String.class, int.class);
+		} else {
+			newPacketPlayOutScoreboardObjective = PacketPlayOutScoreboardObjective.getConstructor();
+			newPacketPlayOutScoreboardScore_String = PacketPlayOutScoreboardScore.getConstructor(String.class);
+			if (minorVersion >= 8) {
+				newPacketPlayOutScoreboardScore = PacketPlayOutScoreboardScore.getConstructor(ScoreboardScore);
+			} else {
+				newPacketPlayOutScoreboardScore = PacketPlayOutScoreboardScore.getConstructor(ScoreboardScore, int.class);
+			}
+		}
+		if (minorVersion >= 16) {
+			newChatModifier = getConstructor(ChatModifier, 10);
+			newPacketPlayOutChat = PacketPlayOutChat.getConstructor(IChatBaseComponent, ChatMessageType, UUID.class);
+		} else if (minorVersion >= 7) {
+			newChatModifier = ChatModifier.getConstructor();
+			if (minorVersion >= 12) {
+				newPacketPlayOutChat = PacketPlayOutChat.getConstructor(IChatBaseComponent, ChatMessageType);
+			} else if (minorVersion >= 8) {
+				newPacketPlayOutChat = PacketPlayOutChat.getConstructor(IChatBaseComponent, byte.class);
+			} else {
+				newPacketPlayOutChat = PacketPlayOutChat.getConstructor(IChatBaseComponent);
+			}
+		}
+		if (minorVersion < 17) {
+			newPacketPlayOutScoreboardTeam = PacketPlayOutScoreboardTeam.getConstructor(ScoreboardTeam, int.class);
+		}
+	}
+
+	/**
+	 * Initializes required NMS fields
+	 * @throws Exception - if something fails
+	 */
+	private void initializeFields() throws Exception {
+		PLAYER_CONNECTION = getFields(EntityPlayer, PlayerConnection).get(0);
+
+		PacketPlayOutScoreboardDisplayObjective_POSITION = getFields(PacketPlayOutScoreboardDisplayObjective, int.class).get(0);
+		PacketPlayOutScoreboardDisplayObjective_OBJECTIVENAME = getFields(PacketPlayOutScoreboardDisplayObjective, String.class).get(0);
+		
+		PacketPlayOutScoreboardObjective_OBJECTIVENAME = getFields(PacketPlayOutScoreboardObjective, String.class).get(0);
+		List<Field> fields = getFields(PacketPlayOutScoreboardObjective, int.class);
+		PacketPlayOutScoreboardObjective_METHOD = fields.get(fields.size()-1);
+		
+		PacketPlayOutScoreboardTeam_NAME = getFields(PacketPlayOutScoreboardTeam, String.class).get(0);
+		PacketPlayOutScoreboardTeam_PLAYERS = getFields(PacketPlayOutScoreboardTeam, Collection.class).get(0);
+
+		PacketPlayOutEntityTeleport_ENTITYID = getFields(PacketPlayOutEntityTeleport, int.class).get(0);
+		PacketPlayOutEntityTeleport_YAW = getFields(PacketPlayOutEntityTeleport, byte.class).get(0);
+		PacketPlayOutEntityTeleport_PITCH = getFields(PacketPlayOutEntityTeleport, byte.class).get(1);
+
+		PacketPlayOutEntity_ENTITYID = getFields(PacketPlayOutEntity, int.class).get(0);
+		PacketPlayOutEntityMetadata_LIST = getFields(PacketPlayOutEntityMetadata, List.class).get(0);
+
+		PacketPlayOutSpawnEntityLiving_ENTITYID = getFields(PacketPlayOutSpawnEntityLiving, int.class).get(0);
+		PacketPlayOutSpawnEntityLiving_ENTITYTYPE = getFields(PacketPlayOutSpawnEntityLiving, int.class).get(1);
+		PacketPlayOutSpawnEntityLiving_YAW = getFields(PacketPlayOutSpawnEntityLiving, byte.class).get(0);
+		PacketPlayOutSpawnEntityLiving_PITCH = getFields(PacketPlayOutSpawnEntityLiving, byte.class).get(0);
+
+		(PacketPlayOutEntityDestroy_ENTITIES = PacketPlayOutEntityDestroy.getDeclaredFields()[0]).setAccessible(true);
+		PacketPlayOutNamedEntitySpawn_ENTITYID = getFields(PacketPlayOutNamedEntitySpawn, int.class).get(0);
+
+		if (minorVersion >= 7) {
+			NETWORK_MANAGER = getFields(PlayerConnection, NetworkManager).get(0);
+			ChatBaseComponent_extra = getFields(ChatBaseComponent, List.class).get(0);
+			ChatBaseComponent_modifier = getFields(ChatBaseComponent, ChatModifier).get(0);
+			ChatComponentText_text = getFields(ChatComponentText, String.class).get(0);
+			ChatClickable_action = getFields(ChatClickable, EnumClickAction).get(0);
+			ChatClickable_value = getFields(ChatClickable, String.class).get(0);
+			ChatHoverable_action = getFields(ChatHoverable, EnumHoverAction).get(0);
+			List<Field> booleans = getFields(ChatModifier, Boolean.class);
+			ChatModifier_bold = booleans.get(0);
+			ChatModifier_italic = booleans.get(1);
+			ChatModifier_underlined = booleans.get(2);
+			ChatModifier_strikethrough = booleans.get(3);
+			ChatModifier_obfuscated = booleans.get(4);
+			ChatModifier_clickEvent = getFields(ChatModifier, ChatClickable).get(0);
+			ChatModifier_hoverEvent = getFields(ChatModifier, ChatHoverable).get(0);
+			PacketPlayInUseEntity_ENTITY = getFields(PacketPlayInUseEntity, int.class).get(0);
+			PacketPlayInUseEntity_ACTION = getFields(PacketPlayInUseEntity, EnumEntityUseAction).get(0);
+		}
+
+		if (minorVersion >= 8) {
+			CHANNEL = getFields(NetworkManager, Channel.class).get(0);
+			PacketPlayOutPlayerInfo_ACTION = getFields(PacketPlayOutPlayerInfo, EnumPlayerInfoAction).get(0);
+			PacketPlayOutPlayerInfo_PLAYERS = getFields(PacketPlayOutPlayerInfo, List.class).get(0);
+			PacketPlayOutPlayerListHeaderFooter_HEADER = getFields(PacketPlayOutPlayerListHeaderFooter, IChatBaseComponent).get(0);
+			PacketPlayOutPlayerListHeaderFooter_FOOTER = getFields(PacketPlayOutPlayerListHeaderFooter, IChatBaseComponent).get(1);
+			PacketPlayOutScoreboardObjective_RENDERTYPE = getFields(PacketPlayOutScoreboardObjective, EnumScoreboardHealthDisplay).get(0);
+		}
+		
+		if (minorVersion >= 9) {
+			DataWatcherItem_TYPE = getFields(DataWatcherItem, DataWatcherObject).get(0);
+			DataWatcherItem_VALUE = getFields(DataWatcherItem, Object.class).get(0);
+			DataWatcherObject_SLOT = getFields(DataWatcherObject, int.class).get(0);
+			DataWatcherObject_SERIALIZER = getFields(DataWatcherObject, DataWatcherSerializer).get(0);
+			PacketPlayOutEntityTeleport_X = getFields(PacketPlayOutEntityTeleport, double.class).get(0);
+			PacketPlayOutEntityTeleport_Y = getFields(PacketPlayOutEntityTeleport, double.class).get(1);
+			PacketPlayOutEntityTeleport_Z = getFields(PacketPlayOutEntityTeleport, double.class).get(2);
+			PacketPlayOutSpawnEntityLiving_UUID = getFields(PacketPlayOutSpawnEntityLiving, UUID.class).get(0);
+			PacketPlayOutSpawnEntityLiving_X = getFields(PacketPlayOutSpawnEntityLiving, double.class).get(0);
+			PacketPlayOutSpawnEntityLiving_Y = getFields(PacketPlayOutSpawnEntityLiving, double.class).get(1);
+			PacketPlayOutSpawnEntityLiving_Z = getFields(PacketPlayOutSpawnEntityLiving, double.class).get(2);
+		} else {
+			//1.8-
+			DataWatcherItem_TYPE = getFields(DataWatcherItem, int.class).get(1);
+			DataWatcherItem_VALUE = getFields(DataWatcherItem, Object.class).get(0);
+			PacketPlayOutEntityTeleport_X = getFields(PacketPlayOutEntityTeleport, int.class).get(1);
+			PacketPlayOutEntityTeleport_Y = getFields(PacketPlayOutEntityTeleport, int.class).get(2);
+			PacketPlayOutEntityTeleport_Z = getFields(PacketPlayOutEntityTeleport, int.class).get(3);
+			PacketPlayOutSpawnEntityLiving_X = getFields(PacketPlayOutSpawnEntityLiving, int.class).get(2);
+			PacketPlayOutSpawnEntityLiving_Y = getFields(PacketPlayOutSpawnEntityLiving, int.class).get(3);
+			PacketPlayOutSpawnEntityLiving_Z = getFields(PacketPlayOutSpawnEntityLiving, int.class).get(4);
+		}
+		
+		if (minorVersion >= 13) {
+			PacketPlayOutScoreboardObjective_DISPLAYNAME = getFields(PacketPlayOutScoreboardObjective, IChatBaseComponent).get(0);
+		} else {
+			PacketPlayOutScoreboardObjective_DISPLAYNAME = getFields(PacketPlayOutScoreboardObjective, String.class).get(1);
+		}
+		
+		if (minorVersion <= 14) {
+			PacketPlayOutSpawnEntityLiving_DATAWATCHER = getFields(PacketPlayOutSpawnEntityLiving, DataWatcher).get(0);
+		}
+
+		if (minorVersion >= 16) {
+			//1.16+
+			fields = getFields(ChatHexColor, String.class);
+			ChatHexColor_name = fields.get(fields.size()-1);
+			ChatHexColor_rgb = getFields(ChatHexColor, int.class).get(0);
+			ChatHoverable_value = getFields(ChatHoverable, Object.class).get(0);
+			ChatModifier_color = getFields(ChatModifier, ChatHexColor).get(0);
+		} else if (minorVersion >= 7) {
+			ChatHoverable_value = getFields(ChatHoverable, IChatBaseComponent).get(0);
+			ChatModifier_color = getFields(ChatModifier, EnumChatFormat).get(0);
+		}
+		if (minorVersion >= 17) {
+			try {
+				PING = getField(EntityPlayer, "e");
+			} catch (NoSuchFieldException e) {
+				//deobfuscated spigot jat
+				PING = getField(EntityPlayer, "latency");
+			}
+		} else {
+			PING = getField(EntityPlayer, "ping");
+		}
+	}
+
+	/**
+	 * Initializes required NMS methods
+	 * @throws Exception - if something fails
+	 */
+	private void initializeMethods() throws Exception {
+		getHandle = Class.forName("org.bukkit.craftbukkit." + serverPackage + ".entity.CraftPlayer").getMethod("getHandle");
+		sendPacket = getMethod(PlayerConnection, new String[]{"sendPacket", "func_147359_a"}, Packet);
+		ScoreboardTeam_getPlayerNameSet = getMethod(ScoreboardTeam, new String[]{"getPlayerNameSet", "func_96670_d"});
+		ScoreboardScore_setScore = getMethod(ScoreboardScore, new String[]{"setScore", "func_96647_c"}, int.class);
+		if (minorVersion >= 7) {
+			ChatComponentText_addSibling = getMethod(ChatComponentText, new String[]{"addSibling", "a", "func_150257_a"}, IChatBaseComponent); //v1.7.R4+, v1.7.R3-
+			ChatSerializer_DESERIALIZE = getMethod(ChatSerializer, new String[]{"a", "func_150699_a"}, String.class);
+			EnumClickAction_a = getMethod(EnumClickAction, new String[]{"a", "func_150672_a"}, String.class);
+			EnumHoverAction_a = getMethod(EnumHoverAction, new String[]{"a", "func_150684_a"}, String.class);
+		}
+		if (minorVersion >= 8) {
+	        PlayerInfoData_getProfile = PlayerInfoData.getMethod("a");
+	        PlayerInfoData_getLatency = PlayerInfoData.getMethod("b");
+	        PlayerInfoData_getGamemode = PlayerInfoData.getMethod("c");
+	        PlayerInfoData_getDisplayName = PlayerInfoData.getMethod("d");
+			ScoreboardTeam_setNameTagVisibility = getMethod(ScoreboardTeam, new String[]{"setNameTagVisibility", "a"}, EnumNameTagVisibility);
+			getProfile = EntityPlayer.getMethod("getProfile");
+		}
+		if (minorVersion >= 9) {
+			ScoreboardTeam_setCollisionRule = ScoreboardTeam.getMethod("setCollisionRule", EnumTeamPush);
+			DataWatcher_REGISTER = DataWatcher.getMethod("register", DataWatcherObject, Object.class);
+		} else {
+			DataWatcher_REGISTER = getMethod(DataWatcher, new String[]{"a", "func_75682_a"}, int.class, Object.class);
+		}
+		if (minorVersion >= 13) {
+			ScoreboardTeam_setPrefix = ScoreboardTeam.getMethod("setPrefix", IChatBaseComponent);
+			ScoreboardTeam_setSuffix = ScoreboardTeam.getMethod("setSuffix", IChatBaseComponent);
+			ScoreboardTeam_setColor = ScoreboardTeam.getMethod("setColor", EnumChatFormat);
+		} else {
+			ScoreboardTeam_setPrefix = getMethod(ScoreboardTeam, new String[]{"setPrefix", "func_96666_b"}, String.class);
+			ScoreboardTeam_setSuffix = getMethod(ScoreboardTeam, new String[]{"setSuffix", "func_96662_c"}, String.class);
+		}
+		if (minorVersion >= 16) {
+			ChatHexColor_ofInt = ChatHexColor.getMethod("a", int.class);
+			ChatHexColor_ofString = ChatHexColor.getMethod("a", String.class);
+		}
+		if (minorVersion >= 17) {
+			PacketPlayOutScoreboardTeam_of = PacketPlayOutScoreboardTeam.getMethod("a", ScoreboardTeam);
+			PacketPlayOutScoreboardTeam_ofBoolean = PacketPlayOutScoreboardTeam.getMethod("a", ScoreboardTeam, boolean.class);
+			PacketPlayOutScoreboardTeam_ofString = PacketPlayOutScoreboardTeam.getMethod("a", ScoreboardTeam, String.class, PacketPlayOutScoreboardTeam_a);
+		}
+	}
+
+	/**
+	 * A helper method that prints all methods of class into console, including their return type, name and parameters
+	 * Useful for modded servers which code I can not access
+	 * @param clazz - class to show methods of
+	 */
+	public void showMethods(Class<?> clazz) {
+		System.out.println("--- " + clazz.getSimpleName() + " ---");
+		for (Method m : clazz.getMethods()) {
+			System.out.println(m.getReturnType().getName() + " " + m.getName() + "(" + Arrays.toString(m.getParameterTypes()) + ")");
+		}
+	}
+
+	/**
+	 * Returns class with given potential names in same order
+	 * @param names - possible class names
+	 * @return class for specified name(s)
+	 * @throws ClassNotFoundException if class does not exist
+	 */
+	public Class<?> getNMSClass(String... names) throws ClassNotFoundException {
+		for (String name : names) {
+			try {
+				return getNMSClass(name);
+			} catch (ClassNotFoundException e) {
+			}
+		}
+		throw new ClassNotFoundException("No class found with possible names " + Arrays.toString(names));
+	}
+
+	/**
+	 * Returns class from given name
+	 * @param name - class name
+	 * @return class from given name
+	 * @throws ClassNotFoundException if class was not found
+	 */
+	private Class<?> getNMSClass(String name) throws ClassNotFoundException {
+		if (minorVersion >= 17) {
+			return Class.forName(name);
+		} else {
+			try {
+				return Class.forName("net.minecraft.server." + serverPackage + "." + name);
+			} catch (ClassNotFoundException e) {
+				//modded server?
+				return Main.class.getClassLoader().loadClass("net.minecraft.server." + serverPackage + "." + name);
+			} catch (NullPointerException e) {
+				//nested class in modded server
+				throw new ClassNotFoundException(name);
+			}
+		}
+	}
+
+	/**
+	 * Returns method with specified possible names and parameters. Throws exception if no such method was found
+	 * @param clazz - class to get method from
+	 * @param names - possible method names
+	 * @param parameterTypes - parameter types of the method
+	 * @return method with specified name and parameters
+	 * @throws NoSuchMethodException if no such method exists
+	 */
+	private Method getMethod(Class<?> clazz, String[] names, Class<?>... parameterTypes) throws NoSuchMethodException {
+		for (String name : names) {
+			try {
+				return clazz.getMethod(name, parameterTypes);
+			} catch (Exception e) {
+			}
+		}
+		throw new NoSuchMethodException("No method found with possible names " + Arrays.toString(names) + " in class " + clazz.getName());
+	}
+
+	/**
+	 * Returns all fields of class with defined class type
+	 * @param clazz - class to check fields of
+	 * @param type - field type to check for
+	 * @return list of all fields with specified class type
+	 */
+	public List<Field> getFields(Class<?> clazz, Class<?> type){
+		if (clazz == null) throw new IllegalArgumentException("Source class cannot be null");
+		List<Field> list = new ArrayList<Field>();
+		for (Field field : clazz.getDeclaredFields()) {
+			field.setAccessible(true);
+			if (field.getType() == type) list.add(field);
+		}
+		return list;
+	}
+
+	/**
+	 * Returns field with specified name and makes it accessible
+	 * @param clazz - class to get field from
+	 * @param name - field name
+	 * @return accessible field with defined name
+	 * @throws NoSuchFieldException if field was not found
+	 */
+	private Field getField(Class<?> clazz, String name) throws NoSuchFieldException {
+		for (Field f : clazz.getDeclaredFields()) {
+			if (f.getName().equals(name) || (f.getName().split("_").length == 3 && f.getName().split("_")[2].equals(name))) {
+				f.setAccessible(true);
+				return f;
+			}
+		}
+		if (name.equals("ping")){
+			return getField(clazz, "field_71138_i"); //thermos
+		}
+		throw new NoSuchFieldException("Field \"" + name + "\" was not found in class " + clazz.getName());
+	}
+
+	private Constructor<?> getConstructor(Class<?> clazz, int parameterCount) throws NoSuchMethodException {
+		for (Constructor<?> c : clazz.getDeclaredConstructors()) {
+			if (c.getParameterCount() == parameterCount) {
+				c.setAccessible(true);
+				return c;
+			}
+		}
+		throw new NoSuchMethodException("No constructor found in class " + clazz.getName() + " with " + parameterCount + " parameters");
+	}
+}

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/nms/datawatcher/DataWatcher.java

@@ -5,7 +5,6 @@ import java.util.List;
 import java.util.Map;
 
 import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
-import me.neznamy.tab.shared.ProtocolVersion;
 
 /**
  * A class representing the n.m.s.DataWatcher class to make work with it much easier
@@ -59,10 +58,15 @@ public class DataWatcher {
 	 */
 	public Object toNMS() throws Exception {
 		NMSStorage nms = NMSStorage.getInstance();
-		Object nmsWatcher = nms.newDataWatcher.newInstance(new Object[] {null});
+		Object nmsWatcher;
+		if (nms.newDataWatcher.getParameterCount() == 1) {
+			nmsWatcher = nms.newDataWatcher.newInstance(new Object[] {null});
+		} else {
+			nmsWatcher = nms.newDataWatcher.newInstance();
+		}
 		for (DataWatcherItem item : dataValues.values()) {
 			Object position;
-			if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) {
+			if (nms.minorVersion >= 9) {
 				position = nms.newDataWatcherObject.newInstance(item.type.position, item.type.classType);
 			} else {
 				position = item.type.position;

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/nms/datawatcher/DataWatcherHelper.java

@@ -36,13 +36,16 @@ public class DataWatcherHelper {
 	 * @return armor stand flags position based on server version
 	 */
 	private int getArmorStandFlagsPosition() {
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 15) {
+		if (NMSStorage.getInstance().minorVersion >= 17) {
+			//1.17.x
+			return 15;
+		} else if (NMSStorage.getInstance().minorVersion >= 15) {
 			//1.15.x, 1.16.x
 			return 14;
-		} else if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 14) {
+		} else if (NMSStorage.getInstance().minorVersion >= 14) {
 			//1.14.x
 			return 13;
-		} else if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 10) {
+		} else if (NMSStorage.getInstance().minorVersion >= 10) {
 			//1.10.x - 1.13.x
 			return 11;
 		} else {
@@ -65,17 +68,22 @@ public class DataWatcherHelper {
 	 * @param clientVersion - client version
 	 */
 	public void setCustomName(String customName, ProtocolVersion clientVersion) {
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 13) {
+		if (NMSStorage.getInstance().minorVersion >= 13) {
 			try {
-				data.setValue(new DataWatcherObject(2, registry.Optional_IChatBaseComponent), Optional.ofNullable(((BukkitPacketBuilder)TAB.getInstance().getPacketBuilder()).stringToComponent(IChatBaseComponent.optimizedComponent(customName).toString(clientVersion))));
+				data.setValue(new DataWatcherObject(2, registry.Optional_IChatBaseComponent), Optional.ofNullable(((BukkitPacketBuilder)TAB.getInstance().getPacketBuilder()).toNMSComponent(IChatBaseComponent.optimizedComponent(customName), clientVersion)));
 			} catch (Exception e) {
 				TAB.getInstance().getErrorManager().printError("Failed to create component", e);
 			}
-		} else if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 8){
+		} else if (NMSStorage.getInstance().minorVersion >= 8){
 			data.setValue(new DataWatcherObject(2, registry.String), customName);
 		} else {
 			String cutName = (customName.length() > 64 ? customName.substring(0, 64) : customName);
 			data.setValue(new DataWatcherObject(10, registry.String), cutName);
+			if (NMSStorage.getInstance().minorVersion >= 6){
+				data.setValue(new DataWatcherObject(10, registry.String), cutName);
+			} else {
+				data.setValue(new DataWatcherObject(5, registry.String), cutName);
+			}
 		}
 			
 	}
@@ -85,7 +93,7 @@ public class DataWatcherHelper {
 	 * @param visible - if visible or not
 	 */
 	public void setCustomNameVisible(boolean visible) {
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) {
+		if (NMSStorage.getInstance().minorVersion >= 9) {
 			data.setValue(new DataWatcherObject(3, registry.Boolean), visible);
 		} else {
 			data.setValue(new DataWatcherObject(3, registry.Byte), (byte)(visible?1:0));
@@ -97,7 +105,11 @@ public class DataWatcherHelper {
 	 * @param health - health of entity
 	 */
 	public void setHealth(float health) {
-		data.setValue(new DataWatcherObject(6, registry.Float), health);
+		if (NMSStorage.getInstance().minorVersion >= 6) {
+			data.setValue(new DataWatcherObject(6, registry.Float), health);
+		} else {
+			data.setValue(new DataWatcherObject(16, registry.Integer), (int)health);
+		}
 	}
 	
 	/**

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/nms/datawatcher/DataWatcherItem.java

@@ -1,7 +1,6 @@
 package me.neznamy.tab.platforms.bukkit.nms.datawatcher;
 
 import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
-import me.neznamy.tab.shared.ProtocolVersion;
 
 public class DataWatcherItem {
 	
@@ -29,7 +28,7 @@ public class DataWatcherItem {
 	 */
 	public static DataWatcherItem fromNMS(Object nmsItem) throws Exception {
 		NMSStorage nms = NMSStorage.getInstance();
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) {
+		if (NMSStorage.getInstance().minorVersion >= 9) {
 			Object nmsObject = nms.DataWatcherItem_TYPE.get(nmsItem);
 			return new DataWatcherItem(new DataWatcherObject(nms.DataWatcherObject_SLOT.getInt(nmsObject), nms.DataWatcherObject_SERIALIZER.get(nmsObject)), nms.DataWatcherItem_VALUE.get(nmsItem));
 		} else {

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/nms/datawatcher/DataWatcherRegistry.java

@@ -5,7 +5,7 @@ import java.lang.reflect.Modifier;
 import java.util.HashMap;
 import java.util.Map;
 
-import me.neznamy.tab.shared.ProtocolVersion;
+import me.neznamy.tab.platforms.bukkit.nms.NMSStorage;
 
 /**
  * A class representing the n.m.s.DataWatcherRegistry class to make work with it much easier
@@ -23,24 +23,19 @@ public class DataWatcherRegistry {
 	/**
 	 * Initializes required NMS classes and fields
 	 */
-	public DataWatcherRegistry(Class<?> registry) {
-		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) {
+	public DataWatcherRegistry(NMSStorage nms, Class<?> registry) {
+		if (nms.minorVersion >= 9) {
 			Map<String, Object> fields = getStaticFields(registry);
 			Byte = fields.get("a");
 			Integer = fields.get("b");
 			Float = fields.get("c");
 			String = fields.get("d");
-			if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 13) {
+			if (nms.minorVersion >= 13) {
 				Optional_IChatBaseComponent = fields.get("f");
 				Boolean = fields.get("i");
 			} else {
 				Boolean = fields.get("h");
 			}
-		} else {
-			Byte = 0;
-			Integer = 2;
-			Float = 3;
-			String = 4;
 		}
 	}
 

bukkit/src/main/resources/bukkitconfig.yml

@@ -1,245 +1,247 @@
-# Detailed explanation of all options available at https://github.com/NEZNAMY/TAB/wiki/config.yml
-
-#changing nametags, affecting sorting, collision rule
-change-nametag-prefix-suffix: true
-
-#prefix/suffix in tablist
-change-tablist-prefix-suffix: true
-
-#header/footer
-enable-header-footer: true
-
-header:
-  - "&3&lServer name"
-  - "&7&l>> %animation:Welcome%&3 &l%player%&7&l! &7&l<<"
-  - "&7Online players: &f%online%"
-  - "&6Online staff: &e%staffonline%"
-  - "%animation:ping-tps%"
-  - ""
-  - "&7&l Used memory: %memory-used% MB / %memory-max% MB"
-  - "%animation:MyAnimation1%"
-footer:
-  - "%animation:MyAnimation1%"
-  - "%animation:time%"
-  - ""
-  - "&7Visit our webpage %animation:web%"
-
-#supports any numeric placeholder, set to "" to disable the feature
-yellow-number-in-tablist: "%ping%"
-
-#literally what it says
-group-sorting-priority-list:
-  - owner
-  - admin
-  - mod
-  - helper
-  - builder
-  - premium
-  - player
-  - default
-
-Groups:
-  Owner:
-    tabprefix: "&0&l[&a&lOwner&0&l] &a"
-    tagprefix: "&2&lOwner &a"
-  Admin:
-    tabprefix: "&0&l[&4&lAdmin&0&l] &1"
-    tagprefix: "%animation:admin_prefix%"
-  Player:
-    tabprefix: "&0&l[&7&lPlayer&0&l] &3"
-    tagprefix: "&2&lPlayer &3"
-  example_group:
-    header:
-      - "This is an example of per-group header/footer"
-    footer:
-      - "applied to a group"
-      
-  #default settings for all groups, all groups will take properties from this section unless player's primary group overrides a specific setting
-  _OTHER_:
-    tabprefix: "%vault-prefix%"
-    tagprefix: "%vault-prefix%"
-    tabsuffix: "%afk%"
-    tagsuffix: "%afk%"
-    customtabname: "%essentialsnick%"
-    customtagname: "%essentialsnick%"
-
-Users:
-  _NEZNAMY_:
-    tabprefix: "&6&lTAB Author &a"
-    tagprefix: "&6&lTAB &r&a"
-    abovename: "&bOh look, 3 lines of text !"
-    belowname: "&eThere's only one plugin out there supporting it"
-
-#additional very limited line of text below nametag
-#don't forget this enables on all player entities, which includes NPCs
-#tags so you can find this section using the mighty ctrl + f feature: [NPC, Citizens, below_name, health]
-classic-vanilla-belowname:
-
-  #enabling the feature
-  enabled: true
-  
-  #number or numeric placeholder, supports per-player placeholders
-  number: "%health%"
-  
-  #text after number, must be same on all players
-  text: "Health"
-
-#controlling the collision rule
-enable-collision: true
-
-#using the opposite of the setting above for worlds
-revert-collision-rule-in-worlds:
-  - revertedworld
-  
-#preventing players with spectator gamemode from being moved to the bottom of tablist with transparent name
-do-not-move-spectators: false
-
-#allows players with tab.spectatorbypass permission to see spectators moved despite the option above enabled
-allow-spectator-bypass-permission: false
-
-#using armor stands for nametags, bypassing all limits
-#THEY ARE CLIENT SIDED AND DO NOT EXIST ON SERVER SO STOP SAYING YOUR SERVER IS LAGGING FROM THIS
-unlimited-nametag-prefix-suffix-mode:
-
-  #enabling the feature
-  enabled: false
-  
-  #enabling will result in NPCs ignoring nametag prefix/suffix/visibility to prevent NPCs with names of online players from being invisible
-  modify-npc-names: false
-  
-  #using a feature introduced in 1.8.1 to make hitbox zero so you can't cry it affects pvp despite hit redirection
-  #1.8.0 clients will see wild things
-  #automatically enabled for 1.9+
-  use-marker-tag-for-1-8-x-clients: false
-  
-  #disabling the feature for players riding boats to prevent massive desync
-  disable-on-boats: true
-  
-  #in blocks
-  space-between-lines: 0.22
-  tracking-range: 48
-
-per-world-settings:
-  world1:
-    header:
-      - "an example of world with custom"
-    footer:
-      - "header/footer and prefix/suffix"
-    Groups:
-      Owner:
-        tabprefix: "&0&l[&a&lOwner&0&l] &a"
-        tagprefix: "&2&lOwner &a"
-        
-  #separating multiple worlds with "-"
-  world2-world3:
-    header:
-      - "This is a shared header for"
-      - "world2 and world3"
-
-placeholders:
-  #output of %afk%
-  afk-yes: " &4*&4&lAFK&4*&r"
-  afk-no: ""
-  
-  #%date%
-  date-format: "dd.MM.yyyy"
-  
-  #%time%
-  time-format: "[HH:mm:ss / h:mm a]"
-  
-  #in hours, in case of wrong timezone
-  time-offset: 0
-  
-  #don't forget color codes
-  remove-strings:
-    - "[]"
-    - "< >"
-    
-#aliases for %rank%, this is not the place where group prefix is defined!
-rank-aliases:
-  Admin: "&4&lADMIN"
-  Mod: "&b&lMOD"
-  Premium: "&6&lPREMIUM"
-  Ultra: "&b&lULTRA"
-  Legend: "&a&lLEGEND"
-  Titan: "&c&lTITAN"
-  Youtuber: "&c&lYOUTUBE"
-  _OTHER_: "&7No Rank"
-  
-disable-features-in-worlds:
-  header-footer:
-    - disabledworld
-  tablist-names:
-    - disabledworld
-  nametag:
-    - disabledworld
-  yellow-number:
-    - disabledworld
-  bossbar:
-    - disabledworld
-  belowname:
-    - disabledworld
-
-placeholderapi-refresh-intervals:
-  default-refresh-interval: 100
-  server:
-    "%server_uptime%": 1000
-    "%server_tps_1_colored%": 1000
-  player:
-    "%player_health%": 200
-    "%player_ping%": 1000
-    "%vault_prefix%": 1000
-  relational:
-    "%rel_factionsuuid_relation_color%": 500
-    
-#different playerlist in different worlds
-per-world-playerlist:
-
-  #to enable the feature
-  enabled: false
-  
-  #allows players with tab.bypass permission to see everyone in tablist despite this option enabled
-  allow-bypass-permission: false
-  
-  #players in these worlds will see everyone despite the feature enabled
-  ignore-effect-in-worlds:
-    - ignoredworld
-    - build
-    
-  #groups of worlds to share playerlist
-  shared-playerlist-world-groups:
-    #group name, can be anything
-    lobby:
-      - lobby1
-      - lobby2
-    minigames:
-      - paintball
-      - bedwars
-
-#permission node is tab.sort.<permission group from sorting list>
-sort-players-by-permissions: false
-
-#making tamed animals no longer copy nametag properties from their owner (prefix/suffix/visibility)
-#do not enable this if you're on paper, you'll feed the trolls even more
-fix-pet-names: false
-
-#taking primary group from permission plugin
-use-primary-group: true
-
-#if the option above is false, all groups are taken from permission plugin and the one higher in this list is used as primary
-primary-group-finding-list:
-  - Owner
-  - Admin
-  - Helper
-  - default
-  
-#if none of the above fits your needs, you can enable this to give groups using tab.group.<group name from the list above> permission
-assign-groups-by-permissions: false
-
-#preventing other plugins from overriding TAB
-anti-override:
-  scoreboard-teams: true
-  scoreboard-objectives: true
-  tablist-names: true
-  header-footer: true
-  usernames: true
+# Detailed explanation of all options available at https://github.com/NEZNAMY/TAB/wiki/config.yml
+
+#changing nametags, affecting sorting, collision rule
+change-nametag-prefix-suffix: true
+
+#prefix/suffix in tablist
+change-tablist-prefix-suffix: true
+
+#header/footer
+enable-header-footer: true
+
+header:
+  - "&3&lServer name"
+  - "&7&l>> %animation:Welcome%&3 &l%player%&7&l! &7&l<<"
+  - "&7Online players: &f%online%"
+  - "&6Online staff: &e%staffonline%"
+  - "%animation:ping-tps%"
+  - ""
+  - "&7&l Used memory: %memory-used% MB / %memory-max% MB"
+  - "%animation:MyAnimation1%"
+footer:
+  - "%animation:MyAnimation1%"
+  - "%animation:time%"
+  - ""
+  - "&7Visit our webpage %animation:web%"
+
+#supports any numeric placeholder, set to "" to disable the feature
+yellow-number-in-tablist: "%ping%"
+
+group-sorting-priority-list:
+  - owner
+  - admin
+  - mod
+  - helper
+  - builder
+  - premium
+  - player
+  - default
+
+Groups:
+  Owner:
+    tabprefix: "&0&l[&a&lOwner&0&l] &a"
+    tagprefix: "&2&lOwner &a"
+  Admin:
+    tabprefix: "&0&l[&4&lAdmin&0&l] &1"
+    tagprefix: "%animation:admin_prefix%"
+  Player:
+    tabprefix: "&0&l[&7&lPlayer&0&l] &3"
+    tagprefix: "&2&lPlayer &3"
+  example_group:
+    header:
+      - "This is an example of per-group header/footer"
+    footer:
+      - "applied to a group"
+      
+  #default settings for all groups, all groups will take properties from this section unless player's primary group overrides a specific setting
+  _OTHER_:
+    tabprefix: "%vault-prefix%"
+    tagprefix: "%vault-prefix%"
+    tabsuffix: "%afk%"
+    tagsuffix: "%afk%"
+    customtabname: "%essentialsnick%"
+    customtagname: "%essentialsnick%"
+
+Users:
+  _NEZNAMY_:
+    tabprefix: "&6&lTAB Author &a"
+    tagprefix: "&6&lTAB &r&a"
+    abovename: "&bOh look, 3 lines of text !"
+    belowname: "&eThere's only one plugin out there supporting it"
+
+#additional very limited line of text below nametag
+#don't forget this enables on all player entities, which includes NPCs
+#tags so you can find this section using the mighty ctrl + f feature: [NPC, Citizens, below_name, health]
+classic-vanilla-belowname:
+
+  #enabling the feature
+  enabled: true
+  
+  #number or numeric placeholder, supports per-player placeholders
+  number: "%health%"
+  
+  #text after number, must be same on all players
+  text: "Health"
+
+#controlling the collision rule
+enable-collision: true
+
+#using the opposite of the setting above for worlds
+revert-collision-rule-in-worlds:
+  - revertedworld
+  
+#preventing players with spectator gamemode from being moved to the bottom of tablist with transparent name
+do-not-move-spectators: false
+
+#allows players with tab.spectatorbypass permission to see spectators moved despite the option above enabled
+allow-spectator-bypass-permission: false
+
+#using armor stands for nametags, bypassing all limits (they are not on server sided & asynchronous - no TPS loss)
+unlimited-nametag-prefix-suffix-mode:
+
+  #enabling the feature
+  enabled: false
+  
+  #using a feature introduced in 1.8.1 to make hitbox zero so you can't cry it affects pvp despite hit redirection
+  #1.8.0 clients will see wild things
+  #automatically enabled for 1.9+
+  use-marker-tag-for-1-8-x-clients: false
+  
+  #disabling the feature for players riding boats to prevent massive desync
+  disable-on-boats: true
+  
+  #in blocks
+  space-between-lines: 0.22
+
+per-world-settings:
+  world1:
+    header:
+      - "an example of world with custom"
+    footer:
+      - "header/footer and prefix/suffix"
+    Groups:
+      Owner:
+        tabprefix: "&0&l[&a&lOwner&0&l] &a"
+        tagprefix: "&2&lOwner &a"
+        
+  #separating multiple worlds with "-"
+  world2-world3:
+    header:
+      - "This is a shared header for"
+      - "world2 and world3"
+
+placeholders:
+  #output of %afk%
+  afk-yes: " &4*&4&lAFK&4*&r"
+  afk-no: ""
+  
+  #%date%
+  date-format: "dd.MM.yyyy"
+  
+  #%time%
+  time-format: "[HH:mm:ss / h:mm a]"
+  
+  #in hours, in case of wrong timezone
+  time-offset: 0
+  
+  #don't forget color codes
+  remove-strings:
+    - "[]"
+    - "< >"
+    
+#aliases for %rank%, this is not the place where group prefix is defined!
+rank-aliases:
+  Admin: "&4&lADMIN"
+  Mod: "&b&lMOD"
+  Premium: "&6&lPREMIUM"
+  Ultra: "&b&lULTRA"
+  Legend: "&a&lLEGEND"
+  Titan: "&c&lTITAN"
+  Youtuber: "&c&lYOUTUBE"
+  _OTHER_: "&7No Rank"
+  
+disable-features-in-worlds:
+  header-footer:
+    - disabledworld
+  tablist-names:
+    - disabledworld
+  nametag:
+    - disabledworld
+  yellow-number:
+    - disabledworld
+  bossbar:
+    - disabledworld
+  belowname:
+    - disabledworld
+  unlimited-nametags:
+    - disabledworld
+
+placeholderapi-refresh-intervals:
+  default-refresh-interval: 100
+  server:
+    "%server_uptime%": 1000
+    "%server_tps_1_colored%": 1000
+  player:
+    "%player_health%": 200
+    "%player_ping%": 1000
+    "%vault_prefix%": 1000
+  relational:
+    "%rel_factionsuuid_relation_color%": 500
+    
+#different playerlist in different worlds
+per-world-playerlist:
+
+  #to enable the feature
+  enabled: false
+  
+  #allows players with tab.bypass permission to see everyone in tablist despite this option enabled
+  allow-bypass-permission: false
+  
+  #players in these worlds will see everyone despite the feature enabled
+  ignore-effect-in-worlds:
+    - ignoredworld
+    - build
+    
+  #groups of worlds to share playerlist
+  shared-playerlist-world-groups:
+    #group name, can be anything
+    lobby:
+      - lobby1
+      - lobby2
+    minigames:
+      - paintball
+      - bedwars
+
+#permission node is tab.sort.<permission group from sorting list>
+sort-players-by-permissions: false
+
+#making tamed animals no longer copy nametag properties from their owner (prefix/suffix/visibility)
+fix-pet-names: false
+
+#taking primary group from permission plugin
+use-primary-group: true
+
+#if the option above is false, all groups are taken from permission plugin and the one higher in this list is used as primary
+primary-group-finding-list:
+  - Owner
+  - Admin
+  - Helper
+  - default
+  
+#if none of the above fits your needs, you can enable this to give groups using tab.group.<group name from the list above> permission
+assign-groups-by-permissions: false
+
+#preventing other plugins from overriding TAB
+anti-override:
+  scoreboard-teams: true
+  scoreboard-objectives: true
+  tablist-names: true
+  usernames: true
+  
+#permanently invisible nametags
+invisible-nametags: false
+
+#faking ping of players
+ping-spoof:
+  enabled: false
+  value: 0

bukkit/src/main/resources/plugin.yml

@@ -1,10 +1,10 @@
-name: ${project.name}
-version: ${project.version}
-author: NEZNAMY
-main: me.neznamy.tab.platforms.bukkit.Main
-api-version: 1.13
-softdepend: [PlaceholderAPI, Vault, UltraPermissions, LuckPerms, Essentials, LibsDisguises]
-website: "https://www.spigotmc.org/resources/57806/"
-description: ${project.description}
-commands:
+name: ${project.parent.name}
+version: ${project.parent.version}
+author: NEZNAMY
+main: me.neznamy.tab.platforms.bukkit.Main
+api-version: 1.13
+softdepend: [PlaceholderAPI, Vault, UltraPermissions, LuckPerms, Essentials, LibsDisguises, ProtocolSupport]
+website: "https://www.spigotmc.org/resources/57806/"
+description: ${project.parent.description}
+commands:
   tab:

bungeecord/pom.xml

@@ -0,0 +1,164 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>me.neznamy</groupId>
+		<artifactId>TAB</artifactId>
+		<version>2.9.0</version>
+	</parent>
+	<artifactId>bungeecord</artifactId>
+
+	<repositories>
+
+		<!-- PremiumVanishAPI -->
+		<repository>
+			<id>jitpack.io</id>
+			<url>https://jitpack.io</url>
+		</repository>
+
+		<!-- BungeeCord -->
+		<repository>
+			<id>luck-repo</id>
+			<url>https://ci.lucko.me/plugin/repository/everything/</url>
+		</repository>
+
+	</repositories>
+
+	<dependencies>
+
+		<!-- TAB Core -->
+		<dependency>
+			<groupId>me.neznamy</groupId>
+			<artifactId>shared</artifactId>
+			<version>${project.version}</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>com.googlecode.json-simple</groupId>
+					<artifactId>json-simple</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>com.github.NEZNAMY</groupId>
+					<artifactId>YamlAssist</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- BungeeCord -->
+		<dependency>
+			<groupId>net.md-5</groupId>
+			<artifactId>bungeecord-proxy</artifactId>
+			<version>1.17-R0.1-SNAPSHOT</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-codec-haproxy</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-codec-http</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-handler</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-transport-native-epoll</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-transport-native-unix-common</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>brigadier</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>jline</groupId>
+					<artifactId>jline</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-transport</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-codec</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.sf.trove4j</groupId>
+					<artifactId>core</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>bungeecord-query</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>se.llbit</groupId>
+					<artifactId>jo-nbt</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.sf.jopt-simple</groupId>
+					<artifactId>jopt-simple</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>mysql</groupId>
+					<artifactId>mysql-connector-java</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>com.google.code.gson</groupId>
+					<artifactId>gson</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.maven</groupId>
+					<artifactId>maven-resolver-provider</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.maven.resolver</groupId>
+					<artifactId>
+						maven-resolver-connector-basic
+					</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.maven.resolver</groupId>
+					<artifactId>
+						maven-resolver-transport-http
+					</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>slf4j-jdk14</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.yaml</groupId>
+					<artifactId>snakeyaml</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- PremiumVanishAPI -->
+		<dependency>
+			<groupId>com.github.MyzelYam</groupId>
+			<artifactId>PremiumVanishAPI</artifactId>
+			<version>2.0.3</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>com.google.code.findbugs</groupId>
+					<artifactId>jsr305</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- Bungee Metrics -->
+		<dependency>
+			<groupId>org.bstats</groupId>
+			<artifactId>bstats-bungeecord</artifactId>
+			<version>2.2.1</version>
+			<scope>compile</scope>
+		</dependency>
+	</dependencies>
+</project>

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeeEventListener.java

@@ -49,10 +49,6 @@ public class BungeeEventListener implements Listener {
 	@EventHandler
 	public void onChat(ChatEvent e) {
 		if (TAB.getInstance().isDisabled()) return;
-		if (e.getMessage().startsWith("/")) {
-			if (TAB.getInstance().getFeatureManager().onCommand(TAB.getInstance().getPlayer(((ProxiedPlayer)e.getSender()).getUniqueId()), e.getMessage())) e.setCancelled(true);
-		} else {
-			if (TAB.getInstance().getFeatureManager().onChat(TAB.getInstance().getPlayer(((ProxiedPlayer)e.getSender()).getUniqueId()), e.getMessage(), e.isCancelled())) e.setCancelled(true);
-		}
+		if (e.getMessage().startsWith("/") && TAB.getInstance().getFeatureManager().onCommand(TAB.getInstance().getPlayer(((ProxiedPlayer)e.getSender()).getUniqueId()), e.getMessage())) e.setCancelled(true);
 	}
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeePacketBuilder.java

@@ -19,18 +19,16 @@ import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardObjective;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardObjective.EnumScoreboardHealthDisplay;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardScore;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardTeam;
-import me.neznamy.tab.shared.packets.PacketPlayOutTitle;
 import net.md_5.bungee.protocol.packet.BossBar;
 import net.md_5.bungee.protocol.packet.Chat;
 import net.md_5.bungee.protocol.packet.PlayerListHeaderFooter;
 import net.md_5.bungee.protocol.packet.PlayerListItem;
+import net.md_5.bungee.protocol.packet.PlayerListItem.Item;
 import net.md_5.bungee.protocol.packet.ScoreboardDisplay;
 import net.md_5.bungee.protocol.packet.ScoreboardObjective;
 import net.md_5.bungee.protocol.packet.ScoreboardObjective.HealthDisplay;
 import net.md_5.bungee.protocol.packet.ScoreboardScore;
 import net.md_5.bungee.protocol.packet.Team;
-import net.md_5.bungee.protocol.packet.Title;
-import net.md_5.bungee.protocol.packet.PlayerListItem.Item;
 
 /**
  * Packet builder for BungeeCord platform
@@ -116,18 +114,7 @@ public class BungeePacketBuilder implements PacketBuilder {
 	}
 	
 	@Override
-	public Object build(PacketPlayOutTitle packet, ProtocolVersion clientVersion) throws Exception {
-		Title bungeePacket = new Title();
-		bungeePacket.setAction(Title.Action.valueOf(packet.action.toString()));
-		if (packet.text != null) bungeePacket.setText(IChatBaseComponent.optimizedComponent(packet.text).toString(clientVersion));
-		bungeePacket.setFadeIn(packet.fadeIn);
-		bungeePacket.setStay(packet.stay);
-		bungeePacket.setFadeOut(packet.fadeOut);
-		return bungeePacket;
-	}
-	
-	@Override
-	public PacketPlayOutPlayerInfo readPlayerInfo(Object bungeePacket, ProtocolVersion clientVersion){
+	public PacketPlayOutPlayerInfo readPlayerInfo(Object bungeePacket, ProtocolVersion clientVersion) {
 		PlayerListItem item = (PlayerListItem) bungeePacket;
 		List<PlayerInfoData> listData = new ArrayList<PlayerInfoData>();
 		for (Item i : item.getItems()) {
@@ -137,7 +124,7 @@ public class BungeePacketBuilder implements PacketBuilder {
 	}
 
 	@Override
-	public PacketPlayOutScoreboardObjective readObjective(Object bungeePacket, ProtocolVersion clientVersion) throws Exception {
+	public PacketPlayOutScoreboardObjective readObjective(Object bungeePacket, ProtocolVersion clientVersion) {
 		ScoreboardObjective packet = (ScoreboardObjective) bungeePacket;
 		String title;
 		if (clientVersion.getMinorVersion() >= 13) {
@@ -150,15 +137,7 @@ public class BungeePacketBuilder implements PacketBuilder {
 	}
 
 	@Override
-	public PacketPlayOutScoreboardDisplayObjective readDisplayObjective(Object bungeePacket, ProtocolVersion clientVersion) throws Exception {
+	public PacketPlayOutScoreboardDisplayObjective readDisplayObjective(Object bungeePacket, ProtocolVersion clientVersion){
 		return new PacketPlayOutScoreboardDisplayObjective(((ScoreboardDisplay) bungeePacket).getPosition(), ((ScoreboardDisplay) bungeePacket).getName());
 	}
-
-	@Override
-	public PacketPlayOutPlayerListHeaderFooter readHeaderFooter(Object packet, ProtocolVersion clientVersion) throws Exception {
-		return new PacketPlayOutPlayerListHeaderFooter(
-			IChatBaseComponent.fromString(((PlayerListHeaderFooter)packet).getHeader()),
-			IChatBaseComponent.fromString(((PlayerListHeaderFooter)packet).getFooter())
-		);
-	}
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeePipelineInjector.java

@@ -16,7 +16,6 @@ import me.neznamy.tab.shared.cpu.UsageType;
 import me.neznamy.tab.shared.features.PipelineInjector;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 import net.md_5.bungee.protocol.packet.Login;
-import net.md_5.bungee.protocol.packet.PlayerListHeaderFooter;
 import net.md_5.bungee.protocol.packet.PlayerListItem;
 import net.md_5.bungee.protocol.packet.ScoreboardDisplay;
 import net.md_5.bungee.protocol.packet.ScoreboardObjective;
@@ -59,16 +58,15 @@ public class BungeePipelineInjector extends PipelineInjector {
 	private void modifyPlayers(Team packet){
 		long time = System.nanoTime();
 		if (packet.getPlayers() == null) return;
-		if (packet.getFriendlyFire() != 69) {
-			Collection<String> col = Lists.newArrayList(packet.getPlayers());
-			for (TabPlayer p : tab.getPlayers()) {
-				if (col.contains(p.getName()) && !tab.getFeatureManager().getNameTagFeature().isDisabledWorld(p.getWorldName())) {
-					logTeamOverride(packet.getName(), p.getName());
-					col.remove(p.getName());
-				}
+		Collection<String> col = Lists.newArrayList(packet.getPlayers());
+		for (TabPlayer p : tab.getPlayers()) {
+			if (col.contains(p.getName()) && !tab.getFeatureManager().getNameTagFeature().isDisabledWorld(p.getWorldName()) && 
+					!p.hasTeamHandlingPaused() && !p.getTeamName().equals(packet.getName())) {
+				logTeamOverride(packet.getName(), p.getName());
+				col.remove(p.getName());
 			}
-			packet.setPlayers(col.toArray(new String[0]));
 		}
+		packet.setPlayers(col.toArray(new String[0]));
 		tab.getCPUManager().addTime(TabFeature.NAMETAGS, UsageType.ANTI_OVERRIDE, System.nanoTime()-time);
 	}
 	
@@ -95,51 +93,45 @@ public class BungeePipelineInjector extends PipelineInjector {
 					super.write(context, tab.getFeatureManager().onPacketPlayOutPlayerInfo(player, packet), channelPromise);
 					return;
 				}
+				Object modifiedPacket = packet;
+				long time = System.nanoTime();
+				if (packet instanceof ByteBuf) {
+					modifiedPacket = deserialize((ByteBuf) packet);
+				}
+				tab.getCPUManager().addTime(TabFeature.PACKET_DESERIALIZING, UsageType.PACKET_READING_OUT, System.nanoTime()-time);
 				if (tab.getFeatureManager().isFeatureEnabled("nametag16") && antiOverrideTeams) {
-					if (packet instanceof Team) {
-						//team packet coming from a bungeecord plugin
-						modifyPlayers((Team) packet);
-						super.write(context, packet, channelPromise);
+					time = System.nanoTime();
+					if (modifiedPacket instanceof Team) {
+						modifyPlayers((Team) modifiedPacket);
+						tab.getCPUManager().addTime(TabFeature.NAMETAGS, UsageType.ANTI_OVERRIDE, System.nanoTime()-time);
+						super.write(context, modifiedPacket, channelPromise);
 						return;
 					}
-					if (packet instanceof ByteBuf) {
-						long time = System.nanoTime();
-						ByteBuf buf = ((ByteBuf) packet);
+					//for now protocolsupport will break the plugin
+/*					if (modifiedPacket instanceof ByteBuf) {
+						ByteBuf buf = ((ByteBuf) modifiedPacket);
 						int marker = buf.readerIndex();
 						int packetId = buf.readByte();
-						if (packetId == ((BungeeTabPlayer)player).getPacketId(Team.class)) {
-							//team packet sent by backend server, proxy does not deserialize those for whatever reason
-							Team team = new Team();
-							team.read(buf, null, ((ProxiedPlayer)player.getPlayer()).getPendingConnection().getVersion());
+						if (packetId + 128 == ((BungeeTabPlayer)player).getPacketId(Team.class)){
+							//compressed team packet when using protocolsupport, proper decompression will be needed
 							buf.release();
 							tab.getCPUManager().addTime(TabFeature.NAMETAGS, UsageType.ANTI_OVERRIDE, System.nanoTime()-time);
-							modifyPlayers(team);
-							super.write(context, team, channelPromise);
-							return;
-						} else if (packetId + 128 == ((BungeeTabPlayer)player).getPacketId(Team.class)){
-							//compressed team packet when using protocolsupport, just kill it as it does not come from tab anyway
-							buf.release();
 							return;
 						}
 						buf.readerIndex(marker);
-					}
+					}*/
+					tab.getCPUManager().addTime(TabFeature.NAMETAGS, UsageType.ANTI_OVERRIDE, System.nanoTime()-time);
 				}
-				if (packet instanceof ScoreboardDisplay && antiOverrideObjectives && tab.getFeatureManager().onDisplayObjective(player, packet)) {
-					//TODO add support for serialized packets as above with teams
+				if (modifiedPacket instanceof ScoreboardDisplay && antiOverrideObjectives && tab.getFeatureManager().onDisplayObjective(player, modifiedPacket)) {
 					return;
 				}
-				if (packet instanceof ScoreboardObjective && antiOverrideObjectives) {
-					//TODO add support for serialized packets as above with teams
-					tab.getFeatureManager().onObjective(player, packet);
-				}
-				if (packet instanceof PlayerListHeaderFooter && antiOverrideHeaderFooter && tab.getFeatureManager().onHeaderFooter(player, packet)) {
-					//TODO add support for serialized packets as above with teams
-					return;
+				if (modifiedPacket instanceof ScoreboardObjective && antiOverrideObjectives) {
+					tab.getFeatureManager().onObjective(player, modifiedPacket);
 				}
 				//client reset packet
-				if (packet instanceof Login) {
+				if (modifiedPacket instanceof Login) {
 					//making sure to not send own packets before login packet is actually sent
-					super.write(context, packet, channelPromise);
+					super.write(context, modifiedPacket, channelPromise);
 					tab.getFeatureManager().onLoginPacket(player);
 					return;
 				}
@@ -148,5 +140,36 @@ public class BungeePipelineInjector extends PipelineInjector {
 			}
 			super.write(context, packet, channelPromise);
 		}
+		
+		/**
+		 * Deserializes bytebuf in case it is one of the tracked packets coming from backend server and returns it.
+		 * If the packet is not one of them, returns input
+		 * @param buf - bytebuf to deserialize
+		 * @return deserialized packet or input bytebuf if packet is not tracked
+		 */
+		private Object deserialize(ByteBuf buf) {
+			int marker = buf.readerIndex();
+			int packetId = buf.readByte();
+			if (packetId == ((BungeeTabPlayer)player).getPacketId(Team.class)) {
+				Team team = new Team();
+				team.read(buf, null, ((ProxiedPlayer)player.getPlayer()).getPendingConnection().getVersion());
+				buf.release();
+				return team;
+			}
+			if (packetId == ((BungeeTabPlayer)player).getPacketId(ScoreboardDisplay.class)) {
+				ScoreboardDisplay display = new ScoreboardDisplay();
+				display.read(buf, null, ((ProxiedPlayer)player.getPlayer()).getPendingConnection().getVersion());
+				buf.release();
+				return display;
+			}
+			if (packetId == ((BungeeTabPlayer)player).getPacketId(ScoreboardObjective.class)) {
+				ScoreboardObjective objective = new ScoreboardObjective();
+				objective.read(buf, null, ((ProxiedPlayer)player.getPlayer()).getPendingConnection().getVersion());
+				buf.release();
+				return objective;
+			}
+			buf.readerIndex(marker);
+			return buf;
+		}
 	}
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeePlaceholderRegistry.java

@@ -4,7 +4,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map.Entry;
 
-import de.myzelyam.api.vanish.BungeeVanishAPI;
 import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.placeholders.Placeholder;
@@ -23,22 +22,24 @@ public class BungeePlaceholderRegistry implements PlaceholderRegistry {
 	@Override
 	public List<Placeholder> registerPlaceholders() {
 		List<Placeholder> placeholders = new ArrayList<Placeholder>();
-		if (ProxyServer.getInstance().getPluginManager().getPlugin("PremiumVanish") != null) {
-			placeholders.add(new ServerPlaceholder("%canseeonline%", 1000) {
-				public String get() {
-					return TAB.getInstance().getPlayers().size() - BungeeVanishAPI.getInvisiblePlayers().size()+"";
+		placeholders.add(new PlayerPlaceholder("%canseeonline%", 2000) {
+			public String get(TabPlayer p) {
+				int var = 0;
+				for (TabPlayer all : TAB.getInstance().getPlayers()){
+					if (!all.isVanished() || p.hasPermission("tab.seevanished")) var++;
 				}
-			});
-			placeholders.add(new ServerPlaceholder("%canseestaffonline%", 1000) {
-				public String get() {
-					int count = 0;
-					for (TabPlayer all : TAB.getInstance().getPlayers()) {
-						if (!((BungeeTabPlayer)all).isVanished() && all.isStaff()) count++;
-					}
-					return count+"";
+				return String.valueOf(var);
+			}
+		});
+		placeholders.add(new PlayerPlaceholder("%canseestaffonline%", 2000) {
+			public String get(TabPlayer p) {
+				int var = 0;
+				for (TabPlayer all : TAB.getInstance().getPlayers()){
+					if (all.isStaff() && (!all.isVanished() || p.hasPermission("tab.seevanished"))) var++;
 				}
-			});
-		}
+				return String.valueOf(var);
+			}
+		});
 		placeholders.add(new PlayerPlaceholder("%displayname%", 500) {
 			public String get(TabPlayer p) {
 				return ((ProxiedPlayer) p.getPlayer()).getDisplayName();
@@ -47,7 +48,7 @@ public class BungeePlaceholderRegistry implements PlaceholderRegistry {
 		for (Entry<String, ServerInfo> server : ProxyServer.getInstance().getServers().entrySet()) {
 			placeholders.add(new ServerPlaceholder("%online_" + server.getKey() + "%", 1000) {
 				public String get() {
-					return server.getValue().getPlayers().size()+"";
+					return String.valueOf(server.getValue().getPlayers().size());
 				}
 			});
 			placeholders.add(new ServerPlaceholder("%canseeonline_" + server.getKey() + "%", 1000) {
@@ -56,7 +57,7 @@ public class BungeePlaceholderRegistry implements PlaceholderRegistry {
 					for (ProxiedPlayer p : server.getValue().getPlayers()) {
 						if (((BungeeTabPlayer)TAB.getInstance().getPlayer(p.getUniqueId())).isVanished()) count--;
 					}
-					return count+"";
+					return String.valueOf(count);
 				}
 			});
 		}

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeePlatform.java

@@ -1,19 +1,19 @@
 package me.neznamy.tab.platforms.bungeecord;
 
 import java.io.File;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
 import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.api.event.BungeeTABLoadEvent;
 import me.neznamy.tab.shared.Platform;
 import me.neznamy.tab.shared.TAB;
-import me.neznamy.tab.shared.config.ConfigurationFile;
+import me.neznamy.tab.shared.features.BelowName;
 import me.neznamy.tab.shared.features.GlobalPlayerlist;
-import me.neznamy.tab.shared.features.NameTag16;
+import me.neznamy.tab.shared.features.NameTag;
+import me.neznamy.tab.shared.features.PingSpoof;
 import me.neznamy.tab.shared.features.PlaceholderManager;
+import me.neznamy.tab.shared.features.SpectatorFix;
+import me.neznamy.tab.shared.features.TabObjective;
+import me.neznamy.tab.shared.features.scoreboard.ScoreboardManager;
 import me.neznamy.tab.shared.permission.LuckPerms;
 import me.neznamy.tab.shared.permission.PermissionPlugin;
 import me.neznamy.tab.shared.permission.UltraPermissions;
@@ -42,7 +42,9 @@ public class BungeePlatform implements Platform {
 	
 	@Override
 	public PermissionPlugin detectPermissionPlugin() {
-		if (ProxyServer.getInstance().getPluginManager().getPlugin("LuckPerms") != null) {
+		if (TAB.getInstance().getConfiguration().bukkitPermissions) {
+			return new VaultBridge(Main.plm);
+		} else if (ProxyServer.getInstance().getPluginManager().getPlugin("LuckPerms") != null) {
 			return new LuckPerms(ProxyServer.getInstance().getPluginManager().getPlugin("LuckPerms").getDescription().getVersion());
 		} else if (ProxyServer.getInstance().getPluginManager().getPlugin("UltraPermissions") != null) {
 			return new UltraPermissions(ProxyServer.getInstance().getPluginManager().getPlugin("UltraPermissions").getDescription().getVersion());
@@ -57,9 +59,14 @@ public class BungeePlatform implements Platform {
 		tab.getPlaceholderManager().addRegistry(new BungeePlaceholderRegistry());
 		tab.getPlaceholderManager().addRegistry(new UniversalPlaceholderRegistry());
 		tab.getPlaceholderManager().registerPlaceholders();
-		tab.getFeatureManager().registerFeature("injection", new BungeePipelineInjector(tab));
-		if (tab.getConfiguration().config.getBoolean("change-nametag-prefix-suffix", true)) tab.getFeatureManager().registerFeature("nametag16", new NameTag16(tab));
+		if (tab.getConfiguration().pipelineInjection) tab.getFeatureManager().registerFeature("injection", new BungeePipelineInjector(tab));
+		if (tab.getConfiguration().config.getBoolean("change-nametag-prefix-suffix", true)) tab.getFeatureManager().registerFeature("nametag16", new NameTag(tab));
 		loadUniversalFeatures();
+		if (tab.getConfiguration().config.getBoolean("ping-spoof.enabled", false)) tab.getFeatureManager().registerFeature("pingspoof", new PingSpoof());
+		if (tab.getConfiguration().config.getString("yellow-number-in-tablist", "%ping%").length() > 0) tab.getFeatureManager().registerFeature("tabobjective", new TabObjective(tab));
+		if (tab.getConfiguration().config.getBoolean("do-not-move-spectators", false)) tab.getFeatureManager().registerFeature("spectatorfix", new SpectatorFix());
+		if (tab.getConfiguration().config.getBoolean("classic-vanilla-belowname.enabled", true)) tab.getFeatureManager().registerFeature("belowname", new BelowName(tab));
+		if (tab.getConfiguration().premiumconfig != null && tab.getConfiguration().premiumconfig.getBoolean("scoreboard.enabled", false)) tab.getFeatureManager().registerFeature("scoreboard", new ScoreboardManager(tab));
 		if (tab.getConfiguration().config.getBoolean("global-playerlist.enabled", false)) 	tab.getFeatureManager().registerFeature("globalplayerlist", new GlobalPlayerlist(tab));
 		for (ProxiedPlayer p : ProxyServer.getInstance().getPlayers()) {
 			tab.addPlayer(new BungeeTabPlayer(p));
@@ -93,24 +100,6 @@ public class BungeePlatform implements Platform {
 		}
 	}
 	
-	@Override
-	public void convertConfig(ConfigurationFile config) {
-		convertUniversalOptions(config);
-		if (config.getName().equals("config.yml")) {
-			if (config.getObject("global-playerlist") instanceof Boolean) {
-				rename(config, "global-playerlist", "global-playerlist.enabled");
-				config.set("global-playerlist.spy-servers", Arrays.asList("spyserver1", "spyserver2"));
-				Map<String, List<String>> serverGroups = new HashMap<String, List<String>>();
-				serverGroups.put("lobbies", Arrays.asList("lobby1", "lobby2"));
-				serverGroups.put("group2", Arrays.asList("server1", "server2"));
-				config.set("global-playerlist.server-groups", serverGroups);
-				config.set("global-playerlist.display-others-as-spectators", false);
-				TAB.getInstance().print('2', "Converted old global-playerlist section to new one in config.yml.");
-			}
-			rename(config, "tablist-objective-value", "yellow-number-in-tablist");
-		}
-	}
-	
 	@Override
 	public String getServerVersion() {
 		return ProxyServer.getInstance().getVersion();
@@ -135,4 +124,9 @@ public class BungeePlatform implements Platform {
 	public int getMaxPlayers() {
 		return ProxyServer.getInstance().getConfigurationAdapter().getListeners().iterator().next().getMaxPlayers();
 	}
+	
+	@Override
+	public String getConfigName() {
+		return "bungeeconfig.yml";
+	}
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeeTabPlayer.java

@@ -7,6 +7,7 @@ import de.myzelyam.api.vanish.BungeeVanishAPI;
 import me.neznamy.tab.shared.ITabPlayer;
 import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.TAB;
+import net.md_5.bungee.UserConnection;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 import net.md_5.bungee.connection.InitialHandler;
@@ -64,6 +65,12 @@ public class BungeeTabPlayer extends ITabPlayer {
 	
 	@Override
 	public boolean hasPermission(String permission) {
+		if (TAB.getInstance().getConfiguration().bukkitPermissions) {
+			String merge = "hasPermission:" + permission;
+			Main.plm.requestAttribute(this, merge);
+			if (!attributes.containsKey(merge)) return false;
+			return Boolean.parseBoolean(attributes.get(merge));
+		}
 		return player.hasPermission(permission);
 	}
 	
@@ -97,7 +104,7 @@ public class BungeeTabPlayer extends ITabPlayer {
 	}
 	
 	/**
-	 * Returns packet ID for this packet of provided packet class
+	 * Returns packet ID for this player of provided packet class
 	 * @param clazz - packet class
 	 * @return - packet ID
 	 */
@@ -117,7 +124,10 @@ public class BungeeTabPlayer extends ITabPlayer {
 	
 	@Override
 	public boolean isVanished() {
-		return ProxyServer.getInstance().getPluginManager().getPlugin("PremiumVanish") != null && BungeeVanishAPI.isInvisible(player);
+		if (ProxyServer.getInstance().getPluginManager().getPlugin("PremiumVanish") != null && BungeeVanishAPI.isInvisible(player)) return true;
+		Main.plm.requestAttribute(this, "vanished");
+		if (!attributes.containsKey("vanished")) return false;
+		return Boolean.parseBoolean(attributes.get("vanished"));
 	}
 	
 	@Override
@@ -138,4 +148,9 @@ public class BungeeTabPlayer extends ITabPlayer {
 	public boolean isOnline() {
 		return player.isConnected();
 	}
+
+	@Override
+	public int getGamemode() {
+		return ((UserConnection)player).getGamemode();
+	}
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/Main.java

@@ -5,6 +5,7 @@ import java.util.ArrayList;
 import org.bstats.bungeecord.Metrics;
 import org.bstats.charts.SimplePie;
 
+import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.features.PluginMessageHandler;
@@ -81,14 +82,23 @@ public class Main extends Plugin {
 					sender.sendMessage(message.replace('&', '\u00a7'));
 				}
 			} else {
-				TAB.getInstance().command.execute(sender instanceof ProxiedPlayer ? TAB.getInstance().getPlayer(((ProxiedPlayer)sender).getUniqueId()) : null, args);
+				TabPlayer p = null;
+				if (sender instanceof ProxiedPlayer) {
+					p = TAB.getInstance().getPlayer(((ProxiedPlayer)sender).getUniqueId());
+					if (p == null) return; //player not loaded correctly
+				}
+				TAB.getInstance().command.execute(p, args);
 			}
 		}
 
 		@Override
 		public Iterable<String> onTabComplete(CommandSender sender, String[] args) {
-			if (TAB.getInstance().isDisabled()) return new ArrayList<String>();
-			return TAB.getInstance().command.complete(sender instanceof ProxiedPlayer ? TAB.getInstance().getPlayer(((ProxiedPlayer)sender).getUniqueId()) : null, args);
+			TabPlayer p = null;
+			if (sender instanceof ProxiedPlayer) {
+				p = TAB.getInstance().getPlayer(((ProxiedPlayer)sender).getUniqueId());
+				if (p == null) return new ArrayList<String>(); //player not loaded correctly
+			}
+			return TAB.getInstance().command.complete(p, args);
 		}
 	}
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/PremiumVanishListener.java

@@ -28,7 +28,7 @@ public class PremiumVanishListener implements Listener {
 		if (list == null) return;
 		TabPlayer vanished = TAB.getInstance().getPlayer(e.getPlayer().getUniqueId());
 		for (TabPlayer all : TAB.getInstance().getPlayers()) {
-			boolean perm = all.hasPermission(list.PREMIUMVANISH_SEE_VANISHED_PERMISSION);
+			boolean perm = all.hasPermission("tab.seevanished");
 			if (all == vanished || perm) {
 				if (perm && list.vanishedAsSpectators) {
 					all.sendCustomPacket(new PacketPlayOutPlayerInfo(EnumPlayerInfoAction.UPDATE_GAME_MODE, new PlayerInfoData(vanished.getUniqueId(), EnumGamemode.SPECTATOR)), TabFeature.GLOBAL_PLAYERLIST);

bungeecord/src/main/resources/bungee.yml

@@ -0,0 +1,4 @@
+name: ${project.parent.name}
+main: me.neznamy.tab.platforms.bungeecord.Main
+version: ${project.parent.version}
+author: NEZNAMY

bungeecord/src/main/resources/bungeeconfig.yml

@@ -1,205 +1,214 @@
-# Detailed explanation of all options available at https://github.com/NEZNAMY/TAB/wiki/config.yml
-
-#changing nametags, affecting sorting, collision rule
-change-nametag-prefix-suffix: true
-
-#prefix/suffix in tablist
-change-tablist-prefix-suffix: true
-
-#header/footer
-enable-header-footer: true
-
-global-playerlist:
-  enabled: false
-  display-others-as-spectators: false
-  display-vanished-players-as-spectators: true
-  isolate-unlisted-servers: false
-  spy-servers:
-    - spyserver1
-    - spyserver2
-  server-groups:
-    lobbies:
-      - lobby1
-      - lobby2
-    group2:
-      - server1
-      - server2
-
-header:
-  - "&3&lServer name"
-  - "&6&lRank: %rank%"
-  - "&7&l>> %animation:Welcome%&3 &l%player%&7&l! &7&l<<"
-  - "&7Online players: &f%online%"
-  - "&6Online staff: &e%staffonline%"
-  - ""
-  - "&7&l Used memory: %memory-used% MB / %memory-max% MB"
-  - "%animation:MyAnimation1%"
-footer:
-  - "%animation:MyAnimation1%"
-  - "%animation:time%"
-  - ""
-  - "&7Visit our webpage %animation:web%"
-  
-#supports any numeric placeholder, set to "" to disable the feature
-yellow-number-in-tablist: "%ping%"
-
-#literally what it says
-group-sorting-priority-list:
-  - owner
-  - admin
-  - mod
-  - helper
-  - builder
-  - premium
-  - player
-  - default
-
-Groups:
-  Owner:
-    tabprefix: "&0&l[&a&lOwner&0&l] &a"
-    tagprefix: "&2&lOwner &a"
-  Admin:
-    tabprefix: "&0&l[&4&lAdmin&0&l] &1"
-    tagprefix: "%animation:admin_prefix%"
-  Player:
-    tabprefix: "&0&l[&7&lPlayer&0&l] &3"
-    tagprefix: "&2&lPlayer &3"
-  example_group:
-    header:
-      - "This is an example of per-group header/footer"
-    footer:
-      - "applied to a group"
-      
-    #default settings for all groups, all groups will take properties from this section unless player's primary group overrides a specific setting
-  _OTHER_:
-    tabprefix: "%rank% "
-    tagprefix: "%rank% "
-
-Users:
-  _NEZNAMY_:
-    tabprefix: "&6&lTAB Author &a"
-    tagprefix: "&6&lTAB &r&a"
-    
-#additional very limited line of text below nametag
-#don't forget this enables on all player entities, which includes NPCs
-#tags so you can find this section using the mighty ctrl + f feature: [NPC, Citizens, below_name, health]
-classic-vanilla-belowname:
-
-  #enabling the feature
-  enabled: true
-  
-  #number or numeric placeholder, supports per-player placeholders
-  number: "%ping%"
-  
-  #text after number, must be same on all players
-  text: "Ping"
-
-#controlling the collision rule
-enable-collision: true
-
-#using the opposite of the setting above for worlds
-revert-collision-rule-in-worlds:
-  - revertedworld
-  
-#preventing players with spectator gamemode from being moved to the bottom of tablist with transparent name
-do-not-move-spectators: false
-
-#allows players with tab.spectatorbypass permission to see spectators moved despite the option above enabled
-allow-spectator-bypass-permission: false
-
-per-server-settings:
-  server1:
-    header:
-      - "an example of world with custom"
-    footer:
-      - "header/footer and prefix/suffix"
-    Groups:
-      Owner:
-        tabprefix: "&0&l[&a&lOwner&0&l] &a"
-        tagprefix: "&2&lOwner &a"
-  server2-server3:
-    header:
-      - "This is a shared header for"
-      - "server2 and server3"
-placeholders:
-  #%date%
-  date-format: "dd.MM.yyyy"
-  
-  #%time%
-  time-format: "[HH:mm:ss / h:mm a]"
-  
-  #in hours, in case of wrong timezone
-  time-offset: 0
-  
-  #don't forget color codes
-  remove-strings:
-    - "[]"
-    - "< >"
-
-#aliases for %server%
-server-aliases:
-  hub: "&eHub"
-  survival: "&bSurvival"
-  plot: "&cPlot"
-
-#aliases for %rank%, this is not the place where group prefix is defined!
-rank-aliases:
-  Admin: "&4&lADMIN"
-  Mod: "&b&lMOD"
-  Premium: "&6&lPREMIUM"
-  Ultra: "&b&lULTRA"
-  Legend: "&a&lLEGEND"
-  Titan: "&c&lTITAN"
-  Youtuber: "&c&lYOUTUBE"
-  _OTHER_: "&7No Rank"
-  
-disable-features-in-servers:
-  header-footer:
-    - disabledserver
-  tablist-names:
-    - disabledserver
-  nametag:
-    - disabledserver
-  yellow-number:
-    - disabledserver
-  bossbar:
-    - disabledserver
-  belowname:
-    - disabledserver
-
-placeholderapi-refresh-intervals:
-  default-refresh-interval: 100
-  server:
-    "%server_uptime%": 1000
-    "%server_tps_1_colored%": 1000
-  player:
-    "%player_health%": 200
-    "%player_ping%": 1000
-    "%vault_prefix%": 1000
-  relational:
-    "%rel_factionsuuid_relation_color%": 500
-
-
-#permission node is tab.sort.<permission group from sorting list>
-sort-players-by-permissions: false
-
-#taking primary group from permission plugin
-use-primary-group: true
-
-#if the option above is false, all groups are taken from permission plugin and the one higher in this list is used as primary
-primary-group-finding-list:
-  - Owner
-  - Admin
-  - Helper
-  - default
-  
-#if none of the above fits your needs, you can enable this to give groups using tab.group.<group name from the list above> permission
-assign-groups-by-permissions: false
-
-#preventing other plugins from overriding TAB
-anti-override:
-  scoreboard-teams: true
-  scoreboard-objectives: true
-  tablist-names: true
-  header-footer: true
-  usernames: true
+# Detailed explanation of all options available at https://github.com/NEZNAMY/TAB/wiki/config.yml
+
+#taking permission nodes and groups from backend servers
+use-bukkit-permissions-manager: false
+
+#changing nametags, affecting sorting, collision rule
+change-nametag-prefix-suffix: true
+
+#prefix/suffix in tablist
+change-tablist-prefix-suffix: true
+
+#header/footer
+enable-header-footer: true
+
+global-playerlist:
+  enabled: false
+  display-others-as-spectators: false
+  display-vanished-players-as-spectators: true
+  isolate-unlisted-servers: false
+  spy-servers:
+    - spyserver1
+    - spyserver2
+  server-groups:
+    lobbies:
+      - lobby1
+      - lobby2
+    group2:
+      - server1
+      - server2
+
+header:
+  - "&3&lServer name"
+  - "&6&lRank: %rank%"
+  - "&7&l>> %animation:Welcome%&3 &l%player%&7&l! &7&l<<"
+  - "&7Online players: &f%online%"
+  - "&6Online staff: &e%staffonline%"
+  - ""
+  - "&7&l Used memory: %memory-used% MB / %memory-max% MB"
+  - "%animation:MyAnimation1%"
+footer:
+  - "%animation:MyAnimation1%"
+  - "%animation:time%"
+  - ""
+  - "&7Visit our webpage %animation:web%"
+  
+#supports any numeric placeholder, set to "" to disable the feature
+yellow-number-in-tablist: "%ping%"
+
+group-sorting-priority-list:
+  - owner
+  - admin
+  - mod
+  - helper
+  - builder
+  - premium
+  - player
+  - default
+
+Groups:
+  Owner:
+    tabprefix: "&0&l[&a&lOwner&0&l] &a"
+    tagprefix: "&2&lOwner &a"
+  Admin:
+    tabprefix: "&0&l[&4&lAdmin&0&l] &1"
+    tagprefix: "%animation:admin_prefix%"
+  Player:
+    tabprefix: "&0&l[&7&lPlayer&0&l] &3"
+    tagprefix: "&2&lPlayer &3"
+  example_group:
+    header:
+      - "This is an example of per-group header/footer"
+    footer:
+      - "applied to a group"
+      
+    #default settings for all groups, all groups will take properties from this section unless player's primary group overrides a specific setting
+  _OTHER_:
+    tabprefix: "%rank% "
+    tagprefix: "%rank% "
+
+Users:
+  _NEZNAMY_:
+    tabprefix: "&6&lTAB Author &a"
+    tagprefix: "&6&lTAB &r&a"
+    
+#additional very limited line of text below nametag
+#don't forget this enables on all player entities, which includes NPCs
+#tags so you can find this section using the mighty ctrl + f feature: [NPC, Citizens, below_name, health]
+classic-vanilla-belowname:
+
+  #enabling the feature
+  enabled: true
+  
+  #number or numeric placeholder, supports per-player placeholders
+  number: "%ping%"
+  
+  #text after number, must be same on all players
+  text: "Ping"
+
+#controlling the collision rule
+enable-collision: true
+
+#using the opposite of the setting above for servers
+revert-collision-rule-in-servers:
+  - revertedserver
+  
+#preventing players with spectator gamemode from being moved to the bottom of tablist with transparent name
+do-not-move-spectators: false
+
+#allows players with tab.spectatorbypass permission to see spectators moved despite the option above enabled
+allow-spectator-bypass-permission: false
+
+per-server-settings:
+  server1:
+    header:
+      - "an example of world with custom"
+    footer:
+      - "header/footer and prefix/suffix"
+    Groups:
+      Owner:
+        tabprefix: "&0&l[&a&lOwner&0&l] &a"
+        tagprefix: "&2&lOwner &a"
+  server2-server3:
+    header:
+      - "This is a shared header for"
+      - "server2 and server3"
+placeholders:
+  #%date%
+  date-format: "dd.MM.yyyy"
+  
+  #%time%
+  time-format: "[HH:mm:ss / h:mm a]"
+  
+  #in hours, in case of wrong timezone
+  time-offset: 0
+  
+  #don't forget color codes
+  remove-strings:
+    - "[]"
+    - "< >"
+
+#aliases for %server%
+server-aliases:
+  hub: "&eHub"
+  survival: "&bSurvival"
+  plot: "&cPlot"
+
+#aliases for %rank%, this is not the place where group prefix is defined!
+rank-aliases:
+  Admin: "&4&lADMIN"
+  Mod: "&b&lMOD"
+  Premium: "&6&lPREMIUM"
+  Ultra: "&b&lULTRA"
+  Legend: "&a&lLEGEND"
+  Titan: "&c&lTITAN"
+  Youtuber: "&c&lYOUTUBE"
+  _OTHER_: "&7No Rank"
+  
+disable-features-in-servers:
+  header-footer:
+    - disabledserver
+  tablist-names:
+    - disabledserver
+  nametag:
+    - disabledserver
+  yellow-number:
+    - disabledserver
+  bossbar:
+    - disabledserver
+  belowname:
+    - disabledserver
+
+placeholderapi-refresh-intervals:
+  default-refresh-interval: 100
+  server:
+    "%server_uptime%": 1000
+    "%server_tps_1_colored%": 1000
+  player:
+    "%player_health%": 200
+    "%player_ping%": 1000
+    "%vault_prefix%": 1000
+  relational:
+    "%rel_factionsuuid_relation_color%": 500
+
+
+#permission node is tab.sort.<permission group from sorting list>
+sort-players-by-permissions: false
+
+#taking primary group from permission plugin
+use-primary-group: true
+
+#if the option above is false, all groups are taken from permission plugin and the one higher in this list is used as primary
+primary-group-finding-list:
+  - Owner
+  - Admin
+  - Helper
+  - default
+  
+#if none of the above fits your needs, you can enable this to give groups using tab.group.<group name from the list above> permission
+assign-groups-by-permissions: false
+
+#preventing other plugins from overriding TAB
+anti-override:
+  scoreboard-teams: true
+  scoreboard-objectives: true
+  tablist-names: true
+  usernames: true
+
+#permanently invisible nametags
+invisible-nametags: false
+
+#faking ping of players
+ping-spoof:
+  enabled: false
+  value: 0

jar/pom.xml

@@ -0,0 +1,91 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>me.neznamy</groupId>
+		<artifactId>TAB</artifactId>
+		<version>2.9.0</version>
+	</parent>
+	<artifactId>jar</artifactId>
+	<build>
+		<finalName>TAB-${project.version}</finalName>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-shade-plugin</artifactId>
+				<version>3.2.2</version>
+				<configuration>
+					<createDependencyReducedPom>false</createDependencyReducedPom>
+					<artifactSet>
+						<includes>
+							<include>com.googlecode.json-simple:json-simple</include>
+							<include>com.github.NEZNAMY:YamlAssist</include>
+							<include>com.github.NEZNAMY:VelocityPacketInjector</include>
+							<include>org.bstats:bstats-base</include>
+							<include>org.bstats:bstats-bungeecord</include>
+							<include>org.bstats:bstats-velocity</include>
+							<include>me.neznamy:*</include>
+						</includes>
+					</artifactSet>
+					<relocations>
+						<relocation>
+							<pattern>org.bstats</pattern>
+							<shadedPattern>me.neznamy.tab.platforms</shadedPattern>
+						</relocation>
+					</relocations>
+				</configuration>
+				<executions>
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>shade</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>me.neznamy</groupId>
+			<artifactId>bukkit</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>me.neznamy</groupId>
+			<artifactId>bungeecord</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>me.neznamy</groupId>
+			<artifactId>shared</artifactId>
+			<version>${project.version}</version>
+			<exclusions>
+				<exclusion>
+					<groupId>com.google.guava</groupId>
+					<artifactId>guava</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>netty-all</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.yaml</groupId>
+					<artifactId>snakeyaml</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>me.neznamy</groupId>
+			<artifactId>velocity-1.1.0</artifactId>
+			<version>${project.version}</version>
+			<exclusions>
+				<exclusion>
+					<groupId>com.google.code.gson</groupId>
+					<artifactId>gson</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+	</dependencies>
+</project>

pom.xml

@@ -1,13 +1,25 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>me.neznamy</groupId>
 	<artifactId>TAB</artifactId>
-	<version>2.8.11-pre9</version>
-	<name>TAB</name>
+	<version>2.9.0</version>
+	<packaging>pom</packaging>
 	<description>An all-in-one solution that works</description>
-
+	<modules>
+		<module>shared</module>
+		<module>bukkit</module>
+		<module>bungeecord</module>
+		<module>velocity-1.1.0</module>
+		<module>jar</module>
+	</modules>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.build.outputEncoding>UTF-8</project.build.outputEncoding>
+		<maven.compiler.source>1.8</maven.compiler.source>
+		<maven.compiler.target>1.8</maven.compiler.target>
+	</properties>
 	<build>
 		<resources>
 			<resource>
@@ -15,431 +27,5 @@
 				<filtering>true</filtering>
 			</resource>
 		</resources>
-
-		<plugins>
-			<plugin>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.8.1</version>
-				<configuration>
-					<source>1.8</source>
-					<target>1.8</target>
-				</configuration>
-			</plugin>
-
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-shade-plugin</artifactId>
-				<version>3.2.3</version>
-				<configuration>
-
-					<createDependencyReducedPom>false</createDependencyReducedPom>
-
-					<artifactSet>
-						<includes>
-							<include>com.googlecode.json-simple:json-simple</include>
-							<include>com.github.NEZNAMY:YamlAssist</include>
-							<include>com.github.NEZNAMY:VelocityPacketInjector</include>
-							<include>org.bstats:bstats-base</include>
-							<include>org.bstats:bstats-bungeecord</include>
-							<include>org.bstats:bstats-velocity</include>
-
-						</includes>
-					</artifactSet>
-
-					<relocations>
-						<relocation>
-							<pattern>org.bstats</pattern>
-							<shadedPattern>me.neznamy.tab.platforms</shadedPattern>
-						</relocation>
-					</relocations>
-
-				</configuration>
-				<executions>
-					<execution>
-						<phase>package</phase>
-						<goals>
-							<goal>shade</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
 	</build>
-
-
-	<repositories>
-
-		<!-- Spigot API -->
-		<repository>
-			<id>spigot-repo</id>
-			<url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
-		</repository>
-
-		<!-- PlaceholderAPI -->
-		<repository>
-			<id>placeholderapi</id>
-			<url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
-		</repository>
-
-		<!-- Vault -->
-		<!-- PremiumVanishAPI -->
-		<repository>
-			<id>jitpack.io</id>
-			<url>https://jitpack.io</url>
-		</repository>
-
-		<!-- LuckPerms5 -->
-		<!-- BungeeCord -->
-		<repository>
-			<id>luck-repo</id>
-			<url>https://ci.lucko.me/plugin/repository/everything/</url>
-		</repository>
-
-		<!-- ViaVersion -->
-		<repository>
-			<id>viaversion</id>
-			<url>https://repo.viaversion.com/</url>
-		</repository>
-
-		<repository>
-			<id>velocity</id>
-			<url>https://nexus.velocitypowered.com/repository/maven-public/</url>
-		</repository>
-
-	</repositories>
-
-	<dependencies>
-
-		<!-- Spigot API -->
-		<dependency>
-			<groupId>org.spigotmc</groupId>
-			<artifactId>spigot-api</artifactId>
-			<version>1.16.5-R0.1-SNAPSHOT</version>
-			<scope>provided</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>commons-lang</groupId>
-					<artifactId>commons-lang</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.guava</groupId>
-					<artifactId>guava</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.md-5</groupId>
-					<artifactId>bungeecord-chat</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- json-simple, shaded -->
-		<dependency>
-			<groupId>com.googlecode.json-simple</groupId>
-			<artifactId>json-simple</artifactId>
-			<version>1.1.1</version>
-			<exclusions>
-				<exclusion>
-					<groupId>junit</groupId>
-					<artifactId>junit</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- BungeeCord -->
-		<!-- com.google.common.io -->
-		<dependency>
-			<groupId>net.md-5</groupId>
-			<artifactId>bungeecord-proxy</artifactId>
-			<version>1.16-R0.5-SNAPSHOT</version>
-			<scope>provided</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>io.netty</groupId>
-					<artifactId>netty-codec-haproxy</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.netty</groupId>
-					<artifactId>netty-codec-http</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.netty</groupId>
-					<artifactId>netty-handler</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.netty</groupId>
-					<artifactId>netty-transport-native-epoll</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.netty</groupId>
-					<artifactId>netty-transport-native-unix-common</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.md-5</groupId>
-					<artifactId>brigadier</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>jline</groupId>
-					<artifactId>jline</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.netty</groupId>
-					<artifactId>netty-transport</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.netty</groupId>
-					<artifactId>netty-codec</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.sf.trove4j</groupId>
-					<artifactId>core</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.md-5</groupId>
-					<artifactId>bungeecord-query</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>se.llbit</groupId>
-					<artifactId>jo-nbt</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.sf.jopt-simple</groupId>
-					<artifactId>jopt-simple</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>mysql</groupId>
-					<artifactId>mysql-connector-java</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.code.gson</groupId>
-					<artifactId>gson</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.guava</groupId>
-					<artifactId>guava</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- PlaceholderAPI -->
-		<dependency>
-			<groupId>me.clip</groupId>
-			<artifactId>placeholderapi</artifactId>
-			<version>2.10.9</version>
-			<scope>provided</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>org.jetbrains</groupId>
-					<artifactId>annotations</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- Vault -->
-		<dependency>
-			<groupId>com.github.MilkBowl</groupId>
-			<artifactId>VaultAPI</artifactId>
-			<version>1.7</version>
-			<scope>provided</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>commons-lang</groupId>
-					<artifactId>commons-lang</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.guava</groupId>
-					<artifactId>guava</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.code.gson</groupId>
-					<artifactId>gson</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.bukkit</groupId>
-					<artifactId>bukkit</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- LuckPerms5 -->
-		<dependency>
-			<groupId>net.luckperms</groupId>
-			<artifactId>api</artifactId>
-			<version>5.2</version>
-			<scope>provided</scope>
-		</dependency>
-
-		<!-- ViaVersion -->
-		<dependency>
-			<groupId>us.myles</groupId>
-			<artifactId>viaversion</artifactId>
-			<version>3.2.0</version>
-			<scope>provided</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>us.myles</groupId>
-					<artifactId>viaversion-common</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>us.myles</groupId>
-					<artifactId>viaversion-bukkit</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>us.myles</groupId>
-					<artifactId>viaversion-bungee</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>us.myles</groupId>
-					<artifactId>viaversion-fabric</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>us.myles</groupId>
-					<artifactId>viaversion-sponge</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>us.myles</groupId>
-					<artifactId>viaversion-velocity</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.md-5</groupId>
-					<artifactId>bungeecord-chat</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- PremiumVanishAPI -->
-		<dependency>
-			<groupId>com.github.MyzelYam</groupId>
-			<artifactId>PremiumVanishAPI</artifactId>
-			<version>2.0.3</version>
-			<scope>provided</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>com.google.code.findbugs</groupId>
-					<artifactId>jsr305</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- YamlAssist -->
-		<dependency>
-			<groupId>com.github.NEZNAMY</groupId>
-			<artifactId>YamlAssist</artifactId>
-			<version>1.0.3</version>
-		</dependency>
-
-		<!-- Velocity API -->
-		<dependency>
-			<groupId>com.velocitypowered</groupId>
-			<artifactId>velocity-api</artifactId>
-			<version>1.1.0</version>
-			<scope>provided</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>com.moandjiezana.toml</groupId>
-					<artifactId>toml4j</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.checkerframework</groupId>
-					<artifactId>checker-qual</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.spongepowered</groupId>
-					<artifactId>configurate-gson</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.spongepowered</groupId>
-					<artifactId>configurate-hocon</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.mojang</groupId>
-					<artifactId>brigadier</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.spongepowered</groupId>
-					<artifactId>configurate-yaml</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.code.gson</groupId>
-					<artifactId>gson</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.kyori</groupId>
-					<artifactId>
-						adventure-text-serializer-legacy-text3
-					</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.kyori</groupId>
-					<artifactId>
-						adventure-text-serializer-legacy
-					</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.kyori</groupId>
-					<artifactId>
-						adventure-text-serializer-plain
-					</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.kyori</groupId>
-					<artifactId>text-serializer-plain</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.codehaus.mojo</groupId>
-					<artifactId>animal-sniffer-annotations</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.j2objc</groupId>
-					<artifactId>j2objc-annotations</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.code.findbugs</groupId>
-					<artifactId>jsr305</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>com.google.errorprone</groupId>
-					<artifactId>error_prone_annotations</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.kyori</groupId>
-					<artifactId>text-serializer-legacy</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.kyori</groupId>
-					<artifactId>text-serializer-gson</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>net.kyori</groupId>
-					<artifactId>examination-string</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>aopalliance</groupId>
-					<artifactId>aopalliance</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
-
-		<!-- Bungee Metrics -->
-		<dependency>
-			<groupId>org.bstats</groupId>
-			<artifactId>bstats-bungeecord</artifactId>
-			<version>2.2.1</version>
-			<scope>compile</scope>
-		</dependency>
-		
-		<!-- Velocity Metrics -->
-		<dependency>
-			<groupId>org.bstats</groupId>
-			<artifactId>bstats-velocity</artifactId>
-			<version>2.2.1</version>
-			<scope>compile</scope>
-		</dependency>
-
-		<!-- Missing velocity packets -->
-		<dependency>
-			<groupId>com.github.NEZNAMY</groupId>
-			<artifactId>VelocityPacketInjector</artifactId>
-			<version>1.0.0_fix</version>
-		</dependency>
-	</dependencies>
 </project>

shared/pom.xml

@@ -0,0 +1,121 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>me.neznamy</groupId>
+		<artifactId>TAB</artifactId>
+		<version>2.9.0</version>
+	</parent>
+	<artifactId>shared</artifactId>
+
+	<repositories>
+
+		<!-- LuckPerms5 -->
+		<repository>
+			<id>luck-repo</id>
+			<url>https://ci.lucko.me/plugin/repository/everything/</url>
+		</repository>
+
+		<!-- YamlAssist -->
+		<repository>
+			<id>jitpack.io</id>
+			<url>https://jitpack.io</url>
+		</repository>
+
+		<repository>
+			<id>spigot-repo</id>
+			<url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
+		</repository>
+
+	</repositories>
+
+	<dependencies>
+		<dependency>
+			<groupId>io.netty</groupId>
+			<artifactId>netty-all</artifactId>
+			<version>4.1.63.Final</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.spigotmc</groupId>
+			<artifactId>spigot-api</artifactId>
+			<version>1.16.5-R0.1-SNAPSHOT</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>commons-lang</groupId>
+					<artifactId>commons-lang</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>bungeecord-chat</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>com.google.code.gson</groupId>
+					<artifactId>gson</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<dependency>
+			<groupId>net.md-5</groupId>
+			<artifactId>bungeecord-api</artifactId>
+			<version>1.17-R0.1-SNAPSHOT</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>bungeecord-config</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.netty</groupId>
+					<artifactId>
+						netty-transport-native-unix-common
+					</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>bungeecord-protocol</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>bungeecord-event</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>net.md-5</groupId>
+					<artifactId>bungeecord-chat</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- json-simple, shaded -->
+		<dependency>
+			<groupId>com.googlecode.json-simple</groupId>
+			<artifactId>json-simple</artifactId>
+			<version>1.1.1</version>
+			<exclusions>
+				<exclusion>
+					<groupId>junit</groupId>
+					<artifactId>junit</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- LuckPerms5 -->
+		<dependency>
+			<groupId>net.luckperms</groupId>
+			<artifactId>api</artifactId>
+			<version>5.2</version>
+			<scope>provided</scope>
+		</dependency>
+
+		<!-- YamlAssist -->
+		<dependency>
+			<groupId>com.github.NEZNAMY</groupId>
+			<artifactId>YamlAssist</artifactId>
+			<version>1.0.4</version>
+		</dependency>
+
+	</dependencies>
+</project>

shared/src/main/java/me/neznamy/tab/api/ArmorStandManager.java

@@ -1,7 +1,7 @@
 package me.neznamy.tab.api;
 
-import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -12,8 +12,8 @@ import java.util.Set;
  */
 public class ArmorStandManager {
 
-	//list of registered armor stands
-	private Map<String, ArmorStand> armorStands = new LinkedHashMap<String, ArmorStand>();
+	//map of registered armor stands
+	private Map<String, ArmorStand> armorStands = Collections.synchronizedMap(new LinkedHashMap<String, ArmorStand>());
 
 	/**
 	 * Adds armor stand into list
@@ -23,7 +23,7 @@ public class ArmorStandManager {
 	public void addArmorStand(String name, ArmorStand as) {
 		armorStands.put(name, as);
 	}
-	
+
 	/**
 	 * Removes armor stand from list. It is not automatically destroyed for players
 	 * @param name - name of armor stand to remove
@@ -31,14 +31,16 @@ public class ArmorStandManager {
 	public void removeArmorStand(String name) {
 		armorStands.remove(name);
 	}
-	
+
 	/**
 	 * Spawns all armor stands for specified viewer and adds them into nearby players
 	 * @param viewer - player to spawn armor stands for
 	 */
 	public void spawn(TabPlayer viewer) {
 		if (viewer.getVersion().getMinorVersion() < 8) return;
-		getArmorStands().forEach(a -> a.spawn(viewer));
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.spawn(viewer));
+		}
 	}
 
 	/**
@@ -46,14 +48,18 @@ public class ArmorStandManager {
 	 * @param sneaking - new sneaking status
 	 */
 	public void sneak(boolean sneaking) {
-		getArmorStands().forEach(a -> a.sneak(sneaking));
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.sneak(sneaking));
+		}
 	}
 
 	/**
 	 * Teleports armor stands to player's current location for all nearby players
 	 */
 	public void teleport() {
-		getArmorStands().forEach(a -> a.teleport());
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.teleport());
+		}
 	}
 
 	/**
@@ -61,14 +67,18 @@ public class ArmorStandManager {
 	 * @param viewer - player to teleport armor stands for
 	 */
 	public void teleport(TabPlayer viewer) {
-		getArmorStands().forEach(a -> a.teleport(viewer));
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.teleport(viewer));
+		}
 	}
 
 	/**
 	 * Refreshes name of all armor stands for all nearby players
 	 */
 	public void refresh() {
-		getArmorStands().forEach(a -> a.refresh());
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.refresh());
+		}
 	}
 
 	/**
@@ -76,7 +86,9 @@ public class ArmorStandManager {
 	 * @param force - true if packets should be sent despite seemingly not needed
 	 */
 	public void updateVisibility(boolean force) {
-		getArmorStands().forEach(a -> a.updateVisibility(force));
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.updateVisibility(force));
+		}
 	}
 
 	/**
@@ -84,14 +96,18 @@ public class ArmorStandManager {
 	 * @param viewer - player to remove
 	 */
 	public void unregisterPlayer(TabPlayer viewer) {
-		getArmorStands().forEach(a -> a.removeFromRegistered(viewer));
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.removeFromRegistered(viewer));
+		}
 	}
 
 	/**
 	 * Sends destroy packet of all armor stands to everyone and clears nearby players list
 	 */
 	public void destroy() {
-		getArmorStands().forEach(a -> a.destroy());
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.destroy());
+		}
 	}
 
 	/**
@@ -99,7 +115,9 @@ public class ArmorStandManager {
 	 * @param viewer - player to destroy armor stands for
 	 */
 	public void destroy(TabPlayer viewer) {
-		getArmorStands().forEach(a -> a.destroy(viewer));
+		synchronized (armorStands) {
+			armorStands.values().forEach(a -> a.destroy(viewer));
+		}
 	}
 
 	/**
@@ -108,28 +126,32 @@ public class ArmorStandManager {
 	 * @return true if armor stand with specified entity id exists, false if not
 	 */
 	public boolean hasArmorStandWithID(int entityId) {
-		for (ArmorStand as : getArmorStands()) {
-			if (as.getEntityId() == entityId) {
-				return true;
+		synchronized (armorStands) {
+			for (ArmorStand as : armorStands.values()) {
+				if (as.getEntityId() == entityId) {
+					return true;
+				}
 			}
+			return false;
 		}
-		return false;
 	}
-	
+
 	/**
 	 * Returns a copy of list of all registered armor stands
 	 * @return copy of armor stands
 	 */
 	public Collection<ArmorStand> getArmorStands(){
-		return new ArrayList<>(armorStands.values());
+		return armorStands.values();
 	}
-	
+
 	/**
 	 * Returns list of nearby players
 	 * @return list of nearby players
 	 */
 	public Set<TabPlayer> getNearbyPlayers(){
 		if (armorStands.values().size() == 0) return new HashSet<>(); //not initialized yet
-		return armorStands.values().iterator().next().getNearbyPlayers();
+		synchronized (armorStands) {
+			return armorStands.values().iterator().next().getNearbyPlayers();
+		}
 	}
 }

shared/src/main/java/me/neznamy/tab/api/TABAPI.java

@@ -56,7 +56,6 @@ public class TABAPI {
 
 	/**
 	 * Enables unlimited nametag mode permanently in config
-	 * @throws IllegalStateException if called from a proxy
 	 * @see isUnlimitedNameTagModeEnabled
 	 */
 	public static void enableUnlimitedNameTagModePermanently() {
@@ -78,6 +77,7 @@ public class TABAPI {
 		PlaceholderManager pl = TAB.getInstance().getPlaceholderManager();
 		pl.registerPlaceholder(placeholder);
 		pl.allUsedPlaceholderIdentifiers.add(placeholder.getIdentifier());
+		pl.refreshPlaceholderUsage();
 	}
 
 	/**
@@ -91,6 +91,7 @@ public class TABAPI {
 		PlaceholderManager pl = TAB.getInstance().getPlaceholderManager();
 		pl.registerPlaceholder(placeholder);
 		pl.allUsedPlaceholderIdentifiers.add(placeholder.getIdentifier());
+		pl.refreshPlaceholderUsage();
 	}
 
 	/**
@@ -102,6 +103,7 @@ public class TABAPI {
 		PlaceholderManager pl = TAB.getInstance().getPlaceholderManager();
 		pl.registerPlaceholder(placeholder);
 		pl.allUsedPlaceholderIdentifiers.add(placeholder.getIdentifier());
+		pl.refreshPlaceholderUsage();
 	}
 
 	/**
@@ -140,7 +142,7 @@ public class TABAPI {
 	 * @return the bossbar
 	 */
 	public static BossBar createBossBar(String name, String title, float progress, BarColor color, BarStyle style) {
-		return createBossBar(name, title, progress+"", color.toString(), style.toString());
+		return createBossBar(name, title, String.valueOf(progress), color.toString(), style.toString());
 	}
 
 	/**

shared/src/main/java/me/neznamy/tab/api/TabPlayer.java

@@ -147,7 +147,7 @@ public interface TabPlayer {
 	/**
 	 * Returns player's uuid used in tablist. This may only be different than real uuid if
 	 * TAB is installed on velocity with some specific velocity setup
-	 * @return
+	 * @return player's uuid in tablist
 	 */
 	public UUID getTablistUUID();
 
@@ -232,7 +232,6 @@ public interface TabPlayer {
 
 	/**
 	 * Toggles armor stands preview mode for the player
-	 * @throws IllegalStateException - if unlimited nametag mode is not enabled
 	 */
 	public void toggleNametagPreview();
 
@@ -272,11 +271,6 @@ public interface TabPlayer {
 	 */
 	public boolean isLoaded();
 
-	/**
-	 * Marks the player as loaded and makes isLoaded() return true
-	 */
-	public void markAsLoaded();
-
 	/**
 	 * Returns true if player has bossbar visible, false if player hid bossbar(s) using bossbar
 	 * toggle command
@@ -288,8 +282,9 @@ public interface TabPlayer {
 	 * Sets bossbar visibility for the player and performs all packet sending if new value is
 	 * different than previous value (true->false, false->true)
 	 * @param visible - whether bossbar should be visible or not
+	 * @param sendToggleMessage - if toggle message should be sent or not
 	 */
-	public void setBossbarVisible(boolean visible);
+	public void setBossbarVisible(boolean visible, boolean sendToggleMessage);
 
 	/**
 	 * Returns list of all bossbars player can currently see
@@ -426,30 +421,6 @@ public interface TabPlayer {
 	 * @param armorStandManager - new instance
 	 */
 	public void setArmorStandManager(ArmorStandManager armorStandManager);
-	
-	/**
-	 * Internal method to set world name
-	 * @param name - name of new world
-	 */
-	public void setWorldName(String name);
-
-	/**
-	 * Internal method to set team name
-	 * @param name - name of team
-	 */
-	public void setTeamName(String name);
-	
-	/**
-	 * Internal method to set team name note
-	 * @param note - team name note
-	 */
-	public void setTeamNameNote(String note);
-
-	/**
-	 * Internal method to track currently active scoreboard
-	 * @param board - new active scoreboard
-	 */
-	public void setActiveScoreboard(Scoreboard board);
 
 	/**
 	 * Internal method that returns player's active scoreboard
@@ -458,22 +429,39 @@ public interface TabPlayer {
 	public Scoreboard getActiveScoreboard();
 	
 	/**
-	 * Internal method that sets player's group
-	 * @param group - new group
-	 * @param refreshIfChanged - whether to refresh properties if value changed or not
+	 * Forces new team name for the player until this method is called again with null argument and 
+	 * performs all actions to change player's team name
+	 * @param name - forced team name
 	 */
-	public void setGroup(String group, boolean refreshIfChanged);
-
+	public void forceTeamName(String name);
+	
 	/**
-	 * Internal method to track scoreboards from other plugins
-	 * @param objectiveName - objective name of scoreboard from other plugins
+	 * Returns forced team name or null if not forced
+	 * @return forced team name or null if not forced
 	 */
-	public void setOtherPluginScoreboard(String objectiveName);
-
+	public String getForcedTeamName();
+	
 	/**
-	 * Internal method that returns scoreboard objective name of scoreboard from other plugin or null
-	 * if not scoreboard from other plugin is set
-	 * @return name of scoreboard objective from other plugin
+	 * Returns gamemode of the player (0 for survival, 1 creative, 2 adventure, 3 spectator)
+	 * @return gamemode of the player
 	 */
-	public String getOtherPluginScoreboard();
+	public int getGamemode();
+	
+	/**
+	 * Unregisters player's team and no longer handles it, as well as disables anti-override for teams.
+	 * This can be resumed using resumeTeamHandling(). If team handling was paused already, nothing happens.
+	 */
+	public void pauseTeamHandling();
+	
+	/**
+	 * Resumes team handling if it was before paused using pauseTeamHandling(), if not, nothing happens
+	 */
+	public void resumeTeamHandling();
+	
+	/**
+	 * Returns true if team handling is paused for this player using pauseTeamHandling(), false if not or 
+	 * it was resumed already using resumeTeamHandling
+	 * @return true if paused, false if not
+	 */
+	public boolean hasTeamHandlingPaused();
 }

shared/src/main/java/me/neznamy/tab/api/bossbar/BossBar.java

@@ -57,4 +57,31 @@ public interface BossBar {
 	 * @param style - new style
 	 */
 	public void setStyle(BarStyle style);
-}
+	
+	/**
+	 * Returns title of the bossbar
+	 * @return title of the bossbar
+	 */
+	public String getTitle();
+	
+	/**
+	 * Returns progress of the bossbar as string, which is either entered string 
+	 * containing placeholders or entered number converted to string
+	 * @return entered progress as string
+	 */
+	public String getProgress();
+	
+	/**
+	 * Returns color of the bossbar as string, which is either entered string 
+	 * containing placeholders or entered enum value converted to string
+	 * @return entered color as string
+	 */
+	public String getColor();
+	
+	/**
+	 * Returns style of the bossbar as string, which is either entered string 
+	 * containing placeholders or entered enum value converted to string
+	 * @return entered style as string
+	 */
+	public String getStyle();
+}

shared/src/main/java/me/neznamy/tab/shared/ErrorManager.java

@@ -10,6 +10,7 @@ import java.util.Arrays;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 
 import me.neznamy.tab.api.bossbar.BarColor;
@@ -59,16 +60,6 @@ public class ErrorManager {
 		printError(message, null, false);
 	}
 
-	/**
-	 * Prints an error message into errors.txt file and returns first argument
-	 * @param defaultValue - value to return
-	 * @param message - message to print
-	 * @return first argument
-	 */
-	public <T> T printError(T defaultValue, String message) {
-		return printError(defaultValue, message, null);
-	}
-
 	/**
 	 * Prints an error message and stack trace into errors.txt file and returns first argument
 	 * @param defaultValue - value to return
@@ -117,12 +108,12 @@ public class ErrorManager {
 			if (file.length() > 1000000) return; //not going over 1 MB
 			BufferedWriter buf = new BufferedWriter(new FileWriter(file, true));
 			if (message != null) {
-				write(buf, "&c[TAB v" + tab.getPluginVersion() + (tab.isPremium() ? " Premium": "") + "] " + message, intoConsoleToo);
+				write(buf, "&c[TAB v" + tab.getPluginVersion() + (tab.isPremium() ? " Premium": "") + "] ", message.replace('\u00a7', '&'), intoConsoleToo);
 			}
 			if (error != null) {
-				write(buf, "&c" + error.getClass().getName() + ": " + error.getMessage(), intoConsoleToo);
+				write(buf, "&c", error.getClass().getName() + ": " + error.getMessage(), intoConsoleToo);
 				for (StackTraceElement ste : error.getStackTrace()) {
-					write(buf, "&c       at " + ste.toString(), intoConsoleToo);
+					write(buf, "&c       at ", ste.toString(), intoConsoleToo);
 				}
 			}
 			buf.close();
@@ -158,9 +149,9 @@ public class ErrorManager {
 	 * @param forceConsole - send into console even without debug mode
 	 * @throws IOException - if IO writer operation fails
 	 */
-	private void write(BufferedWriter buf, String message, boolean forceConsole) throws IOException {
-		buf.write(getCurrentTime() + removeColors(message) + System.getProperty("line.separator"));
-		if (tab.debugMode || forceConsole) tab.getPlatform().sendConsoleMessage(message, true);
+	private void write(BufferedWriter buf, String prefix, String message, boolean forceConsole) throws IOException {
+		buf.write(getCurrentTime() + removeColors(prefix) + message + System.getProperty("line.separator"));
+		if (tab.debugMode || forceConsole) tab.getPlatform().sendConsoleMessage(prefix.replace('&', '\u00a7') + message, false);
 	}
 	
 	/**
@@ -420,7 +411,7 @@ public class ErrorManager {
 	 */
 	public SimpleDateFormat createDateFormat(String value, String defaultValue) {
 		try {
-			return new SimpleDateFormat(value);
+			return new SimpleDateFormat(value, Locale.ENGLISH);
 		} catch (Exception e) {
 			startupWarn("Format \"" + value + "\" is not a valid date/time format. Did you try to use color codes?");
 			return new SimpleDateFormat(defaultValue);

shared/src/main/java/me/neznamy/tab/shared/FeatureManager.java

@@ -2,6 +2,7 @@ package me.neznamy.tab.shared;
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.ConcurrentModificationException;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -14,21 +15,16 @@ import me.neznamy.tab.shared.features.NameTag;
 import me.neznamy.tab.shared.features.types.Feature;
 import me.neznamy.tab.shared.features.types.Loadable;
 import me.neznamy.tab.shared.features.types.Refreshable;
-import me.neznamy.tab.shared.features.types.event.ChatEventListener;
 import me.neznamy.tab.shared.features.types.event.CommandListener;
 import me.neznamy.tab.shared.features.types.event.JoinEventListener;
 import me.neznamy.tab.shared.features.types.event.QuitEventListener;
-import me.neznamy.tab.shared.features.types.event.RespawnEventListener;
-import me.neznamy.tab.shared.features.types.event.SneakEventListener;
 import me.neznamy.tab.shared.features.types.event.WorldChangeListener;
 import me.neznamy.tab.shared.features.types.packet.DisplayObjectivePacketListener;
-import me.neznamy.tab.shared.features.types.packet.HeaderFooterPacketListener;
 import me.neznamy.tab.shared.features.types.packet.LoginPacketListener;
 import me.neznamy.tab.shared.features.types.packet.ObjectivePacketListener;
 import me.neznamy.tab.shared.features.types.packet.PlayerInfoPacketListener;
 import me.neznamy.tab.shared.features.types.packet.RawPacketListener;
 import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo;
-import me.neznamy.tab.shared.packets.PacketPlayOutPlayerListHeaderFooter;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardDisplayObjective;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardObjective;
 
@@ -95,7 +91,11 @@ public class FeatureManager {
 	 * @return list of all loaded features
 	 */
 	public Collection<Feature> getAllFeatures(){
-		return new ArrayList<Feature>(features.values());
+		try {
+			return features.values();
+		} catch (ConcurrentModificationException e) {
+			return getAllFeatures();
+		}
 	}
 	
 	/**
@@ -153,6 +153,7 @@ public class FeatureManager {
 	 * @throws Exception 
 	 */
 	public Object onPacketPlayOutPlayerInfo(TabPlayer receiver, Object packet) throws Exception {
+		if (receiver.getVersion().getMinorVersion() < 8) return packet;
 		List<PlayerInfoPacketListener> listeners = new ArrayList<PlayerInfoPacketListener>();
 		for (Feature f : getAllFeatures()) {
 			if (f instanceof PlayerInfoPacketListener) listeners.add((PlayerInfoPacketListener) f);
@@ -165,7 +166,7 @@ public class FeatureManager {
 		tab.getCPUManager().addTime(TabFeature.PACKET_DESERIALIZING, UsageType.PACKET_PLAYER_INFO, System.nanoTime()-time);
 		for (PlayerInfoPacketListener f : listeners) {
 			time = System.nanoTime();
-			((PlayerInfoPacketListener)f).onPacketSend(receiver, info);
+			f.onPacketSend(receiver, info);
 			tab.getCPUManager().addTime(f.getFeatureType(), UsageType.PACKET_READING_OUT, System.nanoTime()-time);
 		}
 		time = System.nanoTime();
@@ -208,7 +209,7 @@ public class FeatureManager {
 			((JoinEventListener)f).onJoin(connectedPlayer);
 			tab.getCPUManager().addTime(f.getFeatureType(), UsageType.PLAYER_JOIN_EVENT, System.nanoTime()-time);
 		}
-		connectedPlayer.markAsLoaded();
+		((ITabPlayer)connectedPlayer).markAsLoaded();
 		tab.debug("Player join of " + connectedPlayer.getName() + " processed in " + (System.currentTimeMillis()-millis) + "ms");
 	}
 	
@@ -226,7 +227,7 @@ public class FeatureManager {
 			return;
 		}
 		String from = changed.getWorldName();
-		changed.setWorldName(to);
+		((ITabPlayer)changed).setWorldName(to);
 		for (Feature f : getAllFeatures()) {
 			if (!(f instanceof WorldChangeListener)) continue;
 			long time = System.nanoTime();
@@ -295,20 +296,6 @@ public class FeatureManager {
 		}
 	}
 	
-	/**
-	 * Calls onRespawn on all featurs that implement RespawnEventListener and measures how long it took them to process
-	 * @param respawned - player who respawned
-	 */
-	public void onRespawn(TabPlayer respawned) {
-		if (respawned == null) return;
-		for (Feature f : getAllFeatures()) {
-			if (!(f instanceof RespawnEventListener)) continue;
-			long time = System.nanoTime();
-			((RespawnEventListener)f).onRespawn(respawned);
-			tab.getCPUManager().addTime(f.getFeatureType(), UsageType.PLAYER_RESPAWN_EVENT, System.nanoTime()-time);
-		}
-	}
-	
 	/**
 	 * Calls onLoginPacket on all featurs that implement LoginPacketListener and measures how long it took them to process
 	 * @param packetReceiver - player who received the packet
@@ -359,59 +346,6 @@ public class FeatureManager {
 		}
 	}
 	
-	/**
-	 * Calls onPacketSend on all featurs that implement HeaderFooterPacketListener and measures how long it took them to process
-	 * @param packetReceiver - player who received the packet
-	 * @param packet - the packet
-	 * @return true if packet should be cancelled, false if not
-	 * @throws Exception - if something fails
-	 */
-	public boolean onHeaderFooter(TabPlayer packetReceiver, Object packet) throws Exception {
-		long time = System.nanoTime();
-		PacketPlayOutPlayerListHeaderFooter display = tab.getPacketBuilder().readHeaderFooter(packet, packetReceiver.getVersion());
-		tab.getCPUManager().addTime(TabFeature.PACKET_DESERIALIZING, UsageType.PACKET_HEADER_FOOTER, System.nanoTime()-time);
-		for (Feature f : getAllFeatures()) {
-			if (!(f instanceof HeaderFooterPacketListener)) continue;
-			time = System.nanoTime();
-			boolean cancel = ((HeaderFooterPacketListener)f).onPacketSend(packetReceiver, display);
-			tab.getCPUManager().addTime(f.getFeatureType(), UsageType.ANTI_OVERRIDE, System.nanoTime()-time);
-			if (cancel) return true;
-		}
-		return false;
-	}
-	
-	/**
-	 * Calls onChat on all featurs that implement ChatEventListener and measures how long it took them to process
-	 * @param sender - player who sent chat message
-	 * @param message - the message
-	 * @param cancelled - if event is cancelled or not
-	 * @return true if event should be cancelled, false if not
-	 */
-	public boolean onChat(TabPlayer sender, String message, boolean cancelled) {
-		boolean cancel = false;
-		for (Feature f : getAllFeatures()) {
-			if (!(f instanceof ChatEventListener)) continue;
-			long time = System.nanoTime();
-			if (((ChatEventListener)f).onChat(sender, message, cancelled)) cancel = true;
-			tab.getCPUManager().addTime(f.getFeatureType(), UsageType.PLAYER_CHAT_EVENT, System.nanoTime()-time);
-		}
-		return cancel;
-	}
-	
-	/**
-	 * Calls onSneak on all featurs that implement SneakEventListener and measures how long it took them to process
-	 * @param player - player who sneaked
-	 * @param isSneaking - new sneak status
-	 */
-	public void onSneak(TabPlayer player, boolean isSneaking) {
-		for (Feature f : getAllFeatures()) {
-			if (!(f instanceof SneakEventListener)) continue;
-			long time = System.nanoTime();
-			((SneakEventListener)f).onSneak(player, isSneaking);
-			tab.getCPUManager().addTime(f.getFeatureType(), UsageType.PLAYER_TOGGLE_SNEAK_EVENT, System.nanoTime()-time);
-		}
-	}
-	
 	/**
 	 * Returns currently loaded nametag feature or null if disabled
 	 * @return currently loaded nametag feature

shared/src/main/java/me/neznamy/tab/shared/ITabPlayer.java

@@ -1,5 +1,6 @@
 package me.neznamy.tab.shared;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
@@ -15,6 +16,7 @@ import me.neznamy.tab.api.bossbar.BossBar;
 import me.neznamy.tab.shared.command.level1.PlayerCommand;
 import me.neznamy.tab.shared.cpu.TabFeature;
 import me.neznamy.tab.shared.features.GroupRefresher;
+import me.neznamy.tab.shared.features.NameTag;
 import me.neznamy.tab.shared.features.bossbar.BossBarLine;
 import me.neznamy.tab.shared.features.scoreboard.ScoreboardManager;
 import me.neznamy.tab.shared.packets.IChatBaseComponent;
@@ -32,6 +34,7 @@ public abstract class ITabPlayer implements TabPlayer {
 	private String permissionGroup = "<null>";
 	private String teamName;
 	private String teamNameNote;
+	private String forcedTeamName;
 
 	private Map<String, Property> properties = new HashMap<String, Property>();
 	private ArmorStandManager armorStandManager;
@@ -50,6 +53,7 @@ public abstract class ITabPlayer implements TabPlayer {
 	private boolean scoreboardVisible;
 	private Scoreboard forcedScoreboard;
 	private String otherPluginScoreboard;
+	private boolean teamHandlingPaused;
 
 	protected Map<String, String> attributes = new HashMap<String, String>();
 
@@ -101,19 +105,20 @@ public abstract class ITabPlayer implements TabPlayer {
 
 	@Override
 	public void setValueTemporarily(EnumProperty type, String value) {
-		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
+		TAB.getInstance().debug("Received API request to set property " + type + " of " + getName() + " temporarily to " + value + " by " + Thread.currentThread().getStackTrace()[2].toString());
 		Property pr = getProperty(type.toString());
-		if (pr == null) throw new IllegalStateException("Feature handling this property is not enabled");
+		if (pr == null) throw new IllegalStateException("Feature handling this property (" + type + ") is not enabled");
 		pr.setTemporaryValue(value);
 		if (TAB.getInstance().getFeatureManager().isFeatureEnabled("nametagx") && type.toString().contains("tag")) {
 			setProperty("nametag",getProperty("tagprefix").getCurrentRawValue() + getProperty("customtagname").getCurrentRawValue() + getProperty("tagsuffix").getCurrentRawValue(), null);
 		}
+		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
 		forceRefresh();
 	}
 
 	@Override
 	public void setValuePermanently(EnumProperty type, String value) {
-		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
+		TAB.getInstance().debug("Received API request to set property " + type + " of " + getName() + " permanently to " + value + " by " + Thread.currentThread().getStackTrace()[2].toString());
 		((PlayerCommand)TAB.getInstance().command.subcommands.get("player")).savePlayer(null, getName(), type.toString(), value);
 		if (TAB.getInstance().getFeatureManager().isFeatureEnabled("nametagx") && type.toString().contains("tag")) {
 			setProperty("nametag", getProperty("tagprefix").getCurrentRawValue() + getProperty("customtagname").getCurrentRawValue() + getProperty("tagsuffix").getCurrentRawValue(), null);
@@ -121,6 +126,7 @@ public abstract class ITabPlayer implements TabPlayer {
 		Property pr = getProperty(type.toString());
 		if (pr == null) return;
 		pr.changeRawValue(value);
+		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
 		forceRefresh();
 	}
 
@@ -212,19 +218,21 @@ public abstract class ITabPlayer implements TabPlayer {
 		return world;
 	}
 
-	@Override
 	public void setWorldName(String name) {
 		world = name;
 	}
 
 	@Override
 	public void sendCustomPacket(UniversalPacketPlayOut packet) {
-		sendPacket(packet.create(getVersion()));
+		Object p = packet.create(getVersion());
+		long time = System.nanoTime();
+		sendPacket(p);
+		TAB.getInstance().getCPUManager().addMethodTime("sendPacket", System.nanoTime()-time);
 	}
 
 	@Override
 	public void sendCustomPacket(UniversalPacketPlayOut packet, TabFeature feature) {
-		sendPacket(packet.create(getVersion()));
+		sendCustomPacket(packet);
 		TAB.getInstance().getCPUManager().packetSent(feature);
 	}
 
@@ -271,7 +279,6 @@ public abstract class ITabPlayer implements TabPlayer {
 		return onJoinFinished;
 	}
 
-	@Override
 	public void markAsLoaded() {
 		onJoinFinished = true;
 	}
@@ -282,8 +289,28 @@ public abstract class ITabPlayer implements TabPlayer {
 	}
 
 	@Override
-	public void setBossbarVisible(boolean visible) {
+	public void setBossbarVisible(boolean visible, boolean sendToggleMessage) {
 		bossbarVisible = visible;
+		me.neznamy.tab.shared.features.bossbar.BossBar feature = (me.neznamy.tab.shared.features.bossbar.BossBar) TAB.getInstance().getFeatureManager().getFeature("bossbar");
+		if (feature == null) return;
+		if (hasBossbarVisible()) {
+			feature.detectBossBarsAndSend(this);
+			if (sendToggleMessage) sendMessage(TAB.getInstance().getConfiguration().translation.getString("bossbar-toggle-on"), true);
+			if (feature.remember_toggle_choice) {
+				feature.bossbar_off_players.remove(getName());
+				TAB.getInstance().getConfiguration().playerdata.set("bossbar-off", feature.bossbar_off_players);
+			}
+		} else {
+			for (BossBar line : getActiveBossBars().toArray(new BossBar[0])) {
+				removeBossBar(line);
+			}
+			getActiveBossBars().clear();
+			if (sendToggleMessage) sendMessage(TAB.getInstance().getConfiguration().translation.getString("bossbar-toggle-off"), true);
+			if (feature.remember_toggle_choice && !feature.bossbar_off_players.contains(getName())) {
+				feature.bossbar_off_players.add(getName());
+				TAB.getInstance().getConfiguration().playerdata.set("bossbar-off", feature.bossbar_off_players);
+			}
+		}
 	}
 
 	@Override
@@ -351,17 +378,16 @@ public abstract class ITabPlayer implements TabPlayer {
 		this.armorStandManager = armorStandManager;
 	}
 
-	@Override
 	public void setTeamName(String name) {
 		teamName = name;
 	}
 
 	@Override
 	public String getTeamName() {
+		if (forcedTeamName != null) return forcedTeamName;
 		return teamName;
 	}
 
-	@Override
 	public void setTeamNameNote(String note) {
 		teamNameNote = note;
 	}
@@ -393,9 +419,13 @@ public abstract class ITabPlayer implements TabPlayer {
 				sendMessage(scoreboardManager.scoreboard_on, true);
 			}
 			if (scoreboardManager.remember_toggle_choice) {
-				scoreboardManager.sb_off_players.remove(getName());
+				if (scoreboardManager.hiddenByDefault) {
+					scoreboardManager.sb_off_players.add(getName());
+				} else {
+					scoreboardManager.sb_off_players.remove(getName());
+				}
 				synchronized (scoreboardManager.sb_off_players){
-					TAB.getInstance().getConfiguration().playerdata.set("scoreboard-off", scoreboardManager.sb_off_players);
+					TAB.getInstance().getConfiguration().playerdata.set("scoreboard-off", new ArrayList<>(scoreboardManager.sb_off_players));
 				}
 			}
 		} else {
@@ -404,9 +434,13 @@ public abstract class ITabPlayer implements TabPlayer {
 				sendMessage(scoreboardManager.scoreboard_off, true);
 			}
 			if (scoreboardManager.remember_toggle_choice) {
-				scoreboardManager.sb_off_players.add(getName());
-				TAB.getInstance().getConfiguration().playerdata.set("scoreboard-off", scoreboardManager.sb_off_players);synchronized (scoreboardManager.sb_off_players){
-					TAB.getInstance().getConfiguration().playerdata.set("scoreboard-off", scoreboardManager.sb_off_players);
+				if (scoreboardManager.hiddenByDefault) {
+					scoreboardManager.sb_off_players.remove(getName());
+				} else {
+					scoreboardManager.sb_off_players.add(getName());
+				}
+				synchronized (scoreboardManager.sb_off_players){
+					TAB.getInstance().getConfiguration().playerdata.set("scoreboard-off", new ArrayList<>(scoreboardManager.sb_off_players));
 				}
 			}
 		}
@@ -422,7 +456,6 @@ public abstract class ITabPlayer implements TabPlayer {
 		return scoreboardVisible;
 	}
 
-	@Override
 	public void setActiveScoreboard(Scoreboard board) {
 		activeScoreboard = board;
 	}
@@ -432,7 +465,6 @@ public abstract class ITabPlayer implements TabPlayer {
 		return activeScoreboard;
 	}
 
-	@Override
 	public void setGroup(String permissionGroup, boolean refreshIfChanged) {
 		if (this.permissionGroup.equals(permissionGroup)) return;
 		if (permissionGroup != null) {
@@ -451,11 +483,6 @@ public abstract class ITabPlayer implements TabPlayer {
 		return forcedScoreboard != null;
 	}
 
-	@Override
-	public boolean isVanished() {
-		return false;
-	}
-
 	@Override
 	public void showBossBar(BossBar bossbar) {
 		BossBarLine line = (BossBarLine) bossbar;
@@ -498,12 +525,10 @@ public abstract class ITabPlayer implements TabPlayer {
 		attributes.put(attribute, value);
 	}
 
-	@Override
 	public void setOtherPluginScoreboard(String objectiveName) {
 		this.otherPluginScoreboard = objectiveName;
 	}
 
-	@Override
 	public String getOtherPluginScoreboard() {
 		return otherPluginScoreboard;
 	}
@@ -513,4 +538,46 @@ public abstract class ITabPlayer implements TabPlayer {
 		sendPacket(nmsPacket);
 		TAB.getInstance().getCPUManager().packetSent(feature);
 	}
+	
+	@Override
+	public void forceTeamName(String name) {
+		if (String.valueOf(forcedTeamName).equals(name)) return;
+		if (name != null && name.length() > 16) throw new IllegalArgumentException("Team name cannot be more than 16 characters long.");
+		NameTag nametags = TAB.getInstance().getFeatureManager().getNameTagFeature();
+		if (nametags == null) return;
+		nametags.unregisterTeam(this);
+		forcedTeamName = name;
+		nametags.registerTeam(this);
+		if (name != null) teamNameNote = "Set using API";
+	}
+	
+	@Override
+	public String getForcedTeamName() {
+		return forcedTeamName;
+	}
+	
+	@Override
+	public void pauseTeamHandling() {
+		if (teamHandlingPaused) return;
+		NameTag f = TAB.getInstance().getFeatureManager().getNameTagFeature();
+		if (f != null && !f.isDisabledWorld(getWorldName())) {
+			f.unregisterTeam(this);
+		}
+		teamHandlingPaused = true; //setting to true after, so unregisterTeam method runs
+	}
+
+	@Override
+	public void resumeTeamHandling() {
+		if (!teamHandlingPaused) return;
+		teamHandlingPaused = false; //setting to false before, so registerTeam method runs
+		NameTag f = TAB.getInstance().getFeatureManager().getNameTagFeature();
+		if (f != null && !f.isDisabledWorld(getWorldName())) {
+			f.registerTeam(this);
+		}
+	}
+	
+	@Override
+	public boolean hasTeamHandlingPaused() {
+		return teamHandlingPaused;
+	}
 }

shared/src/main/java/me/neznamy/tab/shared/PacketAPI.java

@@ -27,7 +27,7 @@ public class PacketAPI {
 	 * @param color - color field (1.13+)
 	 */
 	public static synchronized void registerScoreboardTeam(TabPlayer to, String teamName, String prefix, String suffix, boolean enumNameTagVisibility, boolean enumTeamPush, Collection<String> players, EnumChatFormat color, TabFeature feature) {
-		if (to.getVersion().getMinorVersion() >= 8 && (boolean) TAB.getInstance().getConfiguration().getSecretOption("unregister-before-register", true) && TAB.getInstance().getPlatform().getSeparatorType().equals("world")) {
+		if (to.getVersion().getMinorVersion() >= 8 && TAB.getInstance().getConfiguration().unregisterBeforeRegister && TAB.getInstance().getPlatform().getSeparatorType().equals("world")) {
 			to.sendCustomPacket(new PacketPlayOutScoreboardTeam(teamName).setTeamOptions(69), feature);
 		}
 		to.sendCustomPacket(new PacketPlayOutScoreboardTeam(teamName, prefix, suffix, enumNameTagVisibility?"always":"never", enumTeamPush?"always":"never", players, 69).setColor(color), feature);
@@ -42,7 +42,7 @@ public class PacketAPI {
 	 * @param displayType - display type of the value (only supported in Playerlist)
 	 */
 	public static synchronized void registerScoreboardObjective(TabPlayer to, String objectiveName, String title, int position, EnumScoreboardHealthDisplay displayType, TabFeature feature) {
-		if (to.getVersion().getMinorVersion() >= 8 && (boolean) TAB.getInstance().getConfiguration().getSecretOption("unregister-before-register", true) && TAB.getInstance().getPlatform().getSeparatorType().equals("world")) {
+		if (to.getVersion().getMinorVersion() >= 8 && TAB.getInstance().getConfiguration().unregisterBeforeRegister && TAB.getInstance().getPlatform().getSeparatorType().equals("world")) {
 			to.sendCustomPacket(new PacketPlayOutScoreboardObjective(objectiveName), feature);
 		}
 		to.sendCustomPacket(new PacketPlayOutScoreboardObjective(0, objectiveName, title, displayType), feature);

shared/src/main/java/me/neznamy/tab/shared/Platform.java

@@ -1,25 +1,19 @@
 package me.neznamy.tab.shared;
 
 import java.io.File;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
 import java.util.Map;
 
 import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.shared.config.ConfigurationFile;
 import me.neznamy.tab.shared.features.AlignedSuffix;
-import me.neznamy.tab.shared.features.BelowName;
 import me.neznamy.tab.shared.features.GhostPlayerFix;
 import me.neznamy.tab.shared.features.GroupRefresher;
 import me.neznamy.tab.shared.features.HeaderFooter;
 import me.neznamy.tab.shared.features.Playerlist;
 import me.neznamy.tab.shared.features.PluginInfo;
-import me.neznamy.tab.shared.features.SpectatorFix;
-import me.neznamy.tab.shared.features.TabObjective;
 import me.neznamy.tab.shared.features.UpdateChecker;
 import me.neznamy.tab.shared.features.bossbar.BossBar;
 import me.neznamy.tab.shared.features.layout.Layout;
-import me.neznamy.tab.shared.features.scoreboard.ScoreboardManager;
 import me.neznamy.tab.shared.permission.PermissionPlugin;
 import me.neznamy.tab.shared.placeholders.Placeholder;
 import me.neznamy.tab.shared.placeholders.PlayerPlaceholder;
@@ -55,12 +49,6 @@ public interface Platform {
 	 */
 	public void registerUnknownPlaceholder(String identifier);
 	
-	/**
-	 * Converts configuration file into the latest version by removing old options, adding new ones or renaming
-	 * @param config - the configuration file to be converted
-	 */
-	public void convertConfig(ConfigurationFile config);
-	
 	/**
 	 * Returns server's version
 	 * @return server's version
@@ -91,6 +79,12 @@ public interface Platform {
 	 */
 	public int getMaxPlayers();
 	
+	/**
+	 * Returns name of config file in the jar file on specific platform
+	 * @return name of config file of the platform
+	 */
+	public String getConfigName();
+	
 	/**
 	 * Removes an old config option that is not present anymore
 	 * @param config - configuration file
@@ -141,88 +135,11 @@ public interface Platform {
 		return replaced;
 	}
 	
-	/**
-	 * Converts premiumconfig variables to latest version
-	 * @param config - the file
-	 */
-	public default void convertPremiumConfig(ConfigurationFile config) {
-		removeOld(config, "scoreboard.refresh-interval-ticks");
-		if (!config.hasConfigOption("placeholder-output-replacements")) {
-			Map<String, Map<String, String>> replacements = new HashMap<String, Map<String, String>>();
-			Map<String, String> essVanished = new HashMap<String, String>();
-			essVanished.put("Yes", "&7| Vanished");
-			essVanished.put("No", "");
-			replacements.put("%essentials_vanished%", essVanished);
-			Map<String, String> tps = new HashMap<String, String>();
-			tps.put("20", "&aPerfect");
-			replacements.put("%tps%", tps);
-			config.set("placeholder-output-replacements", replacements);
-			TAB.getInstance().print('2', "Added new missing \"placeholder-output-replacements\" premiumconfig.yml section.");
-		}
-		boolean scoreboardsConverted = false;
-		for (Object scoreboard : config.getConfigurationSection("scoreboards").keySet()) {
-			Boolean permReq = config.getBoolean("scoreboards." + scoreboard + ".permission-required");
-			if (permReq != null) {
-				if (permReq) {
-					config.set("scoreboards." + scoreboard + ".display-condition", "permission:tab.scoreboard." + scoreboard);
-				}
-				config.set("scoreboards." + scoreboard + ".permission-required", null);
-				scoreboardsConverted = true;
-			}
-			String childBoard = config.getString("scoreboards." + scoreboard + ".if-permission-missing");
-			if (childBoard != null) {
-				config.set("scoreboards." + scoreboard + ".if-permission-missing", null);
-				config.set("scoreboards." + scoreboard + ".if-condition-not-met", childBoard);
-				scoreboardsConverted = true;
-			}
-		}
-		if (scoreboardsConverted) {
-			TAB.getInstance().print('2', "Converted old premiumconfig.yml scoreboard display condition system to new one.");
-		}
-		removeOld(config, "scoreboard.refresh-interval-milliseconds");
-		rename(config, "allign-tabsuffix-on-the-right", "align-tabsuffix-on-the-right");
-	}
-	
 	/**
 	 * Converts configuration options same on all platforms
 	 * @param file - file to convert
 	 */
 	public default void convertUniversalOptions(ConfigurationFile file) {
-		if (file.getName().equals("config.yml")) {
-			removeOld(file, "nametag-refresh-interval-milliseconds");
-			removeOld(file, "tablist-refresh-interval-milliseconds");
-			removeOld(file, "header-footer-refresh-interval-milliseconds");
-			removeOld(file, "classic-vanilla-belowname.refresh-interval-milliseconds");
-			rename(file, "belowname", "classic-vanilla-belowname");
-			rename(file, "papi-placeholder-cooldowns", "placeholderapi-refresh-intervals");
-			rename(file, "safe-team-register", "unregister-before-register");
-			rename(file, "disable-features-in-worlds.tablist-objective", "disable-features-in-worlds.yellow-number");
-			rename(file, "ntx-space", "unlimited-nametag-prefix-suffix-mode.space-between-lines");
-			if (!file.hasConfigOption("placeholderapi-refresh-intervals")) {
-				Map<String, Object> map = new LinkedHashMap<String, Object>();
-				map.put("default-refresh-interval", 100);
-				Map<String, Integer> server = new HashMap<String, Integer>();
-				server.put("%server_uptime%", 1000);
-				server.put("%server_tps_1_colored%", 1000);
-				map.put("server", server);
-				Map<String, Integer> player = new HashMap<String, Integer>();
-				player.put("%player_health%", 200);
-				player.put("%player_ping%", 1000);
-				player.put("%vault_prefix%", 1000);
-				map.put("player", player);
-				Map<String, Integer> relational = new HashMap<String, Integer>();
-				relational.put("%rel_factionsuuid_relation_color%", 500);
-				map.put("relational", relational);
-				file.set("placeholderapi-refresh-intervals", map);
-				TAB.getInstance().print('2', "Added new missing \"placeholderapi-refresh-intervals\" config.yml section.");
-			}
-		}
-		if (file.getName().equals("premiumconfig.yml")) {
-			convertPremiumConfig(file);
-		}
-		if (file.getName().equals("bossbar.yml")) {
-			removeOld(file, "refresh-interval-milliseconds");
-		}
 		if (file.getName().equals("animations.yml")) {
 			Map<String, Object> values = file.getValues();
 			if (values.size() == 1 && values.containsKey("animations")) {
@@ -239,11 +156,7 @@ public interface Platform {
 	public default void loadUniversalFeatures() {
 		TAB tab = TAB.getInstance();
 		if (tab.getConfiguration().config.getBoolean("enable-header-footer", true)) tab.getFeatureManager().registerFeature("headerfooter", new HeaderFooter(tab));
-		if (tab.getConfiguration().config.getBoolean("do-not-move-spectators", false)) tab.getFeatureManager().registerFeature("spectatorfix", new SpectatorFix());
-		if (tab.getConfiguration().config.getBoolean("classic-vanilla-belowname.enabled", true)) tab.getFeatureManager().registerFeature("belowname", new BelowName(tab));
-		if (tab.getConfiguration().premiumconfig != null && tab.getConfiguration().premiumconfig.getBoolean("scoreboard.enabled", false)) tab.getFeatureManager().registerFeature("scoreboard", new ScoreboardManager(tab));
-		if ((boolean)tab.getConfiguration().getSecretOption("remove-ghost-players", false)) tab.getFeatureManager().registerFeature("ghostplayerfix", new GhostPlayerFix());
-		if (tab.getConfiguration().config.getString("yellow-number-in-tablist", "%ping%").length() > 0) tab.getFeatureManager().registerFeature("tabobjective", new TabObjective(tab));
+		if (tab.getConfiguration().removeGhostPlayers) tab.getFeatureManager().registerFeature("ghostplayerfix", new GhostPlayerFix());
 		if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 8 && tab.getConfiguration().config.getBoolean("change-tablist-prefix-suffix", true)) {
 			Playerlist playerlist = new Playerlist(tab);
 			tab.getFeatureManager().registerFeature("playerlist", playerlist);
@@ -252,9 +165,7 @@ public interface Platform {
 		tab.getFeatureManager().registerFeature("group", new GroupRefresher(tab));
 		tab.getFeatureManager().registerFeature("info", new PluginInfo());
 		new UpdateChecker(tab);
-		if ((boolean)tab.getConfiguration().getSecretOption("layout", false)) {
-			tab.getFeatureManager().registerFeature("layout", new Layout(tab));
-		}
-		if (tab.getConfiguration().BossBarEnabled) tab.getFeatureManager().registerFeature("bossbar", new BossBar(tab));
+		if (tab.getConfiguration().layout) tab.getFeatureManager().registerFeature("layout", new Layout(tab));
+		if (tab.getConfiguration().bossbar.getBoolean("bossbar-enabled", false)) tab.getFeatureManager().registerFeature("bossbar", new BossBar(tab));
 	}
 }

shared/src/main/java/me/neznamy/tab/shared/Property.java

@@ -6,6 +6,7 @@ import java.util.List;
 import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.shared.placeholders.Placeholder;
 import me.neznamy.tab.shared.placeholders.RelationalPlaceholder;
+import me.neznamy.tab.shared.rgb.RGBUtils;
 
 /**
  * A string with placeholders
@@ -40,18 +41,18 @@ public class Property {
 	public Property(TabPlayer owner, String rawValue, String source) {
 		this.owner = owner;
 		this.source = source;
-		this.rawValue = (rawValue == null ? "" : rawValue);
+		this.rawValue = RGBUtils.getInstance().applyFormats((rawValue == null ? "" : rawValue), true);
 		analyze(this.rawValue);
 		update();
 	}
-	
+
 	/**
 	 * Finds all placeholders used in the value
 	 * @param value - raw value to be checked
 	 */
 	private void analyze(String value) {
-		placeholders = new ArrayList<String>();
-		relPlaceholders = new ArrayList<String>();
+		List<String> placeholders = new ArrayList<String>();
+		List<String> relPlaceholders = new ArrayList<String>();
 		for (String identifier : TAB.getInstance().getPlaceholderManager().getUsedPlaceholderIdentifiersRecursive(value)) {
 			if (identifier.startsWith("%rel_")) {
 				relPlaceholders.add(identifier);
@@ -59,6 +60,9 @@ public class Property {
 				placeholders.add(identifier);
 			}
 		}
+		//avoiding rare concurrent modification in #update
+		this.placeholders = placeholders;
+		this.relPlaceholders = relPlaceholders;
 	}
 	
 	/**
@@ -66,10 +70,11 @@ public class Property {
 	 * @param temporaryValue - temporary value to be assigned
 	 */
 	public void setTemporaryValue(String temporaryValue) {
-		this.temporaryValue = temporaryValue;
 		if (temporaryValue != null) {
-			analyze(temporaryValue);
+			this.temporaryValue = RGBUtils.getInstance().applyFormats(temporaryValue, true);
+			analyze(this.temporaryValue);
 		} else {
+			this.temporaryValue = null;
 			analyze(rawValue);
 		}
 		update();
@@ -81,7 +86,7 @@ public class Property {
 	 */
 	public void changeRawValue(String newValue) {
 		if (rawValue.equals(newValue)) return;
-		rawValue = newValue;
+		rawValue = RGBUtils.getInstance().applyFormats(newValue, true);
 		if (temporaryValue == null) {
 			analyze(rawValue);
 			update();
@@ -142,6 +147,7 @@ public class Property {
 	 * @return if updating changed value or not
 	 */
 	public boolean update() {
+		long time = System.nanoTime();
 		String string = getCurrentRawValue();
 		for (String identifier : placeholders) {
 			Placeholder pl = TAB.getInstance().getPlaceholderManager().getPlaceholder(identifier);
@@ -151,8 +157,10 @@ public class Property {
 		string = applyRemoveStrings(string);
 		if (lastReplacedValue == null || !lastReplacedValue.equals(string)) {
 			lastReplacedValue = string;
+			TAB.getInstance().getCPUManager().addMethodTime("Property#update", System.nanoTime()-time);
 			return true;
 		}
+		TAB.getInstance().getCPUManager().addMethodTime("Property#update", System.nanoTime()-time);
 		return false;
 	}
 	
@@ -181,11 +189,10 @@ public class Property {
 	 * @return format for the viewer
 	 */
 	public String getFormat(TabPlayer viewer) {
-		if (viewer == null) return lastReplacedValue;
 		String format = lastReplacedValue;
 		for (String identifier : relPlaceholders) {
 			RelationalPlaceholder pl = (RelationalPlaceholder) TAB.getInstance().getPlaceholderManager().getPlaceholder(identifier);
-			if (pl != null) format = format.replace(pl.getIdentifier(), pl.getLastValue(viewer, owner));
+			if (pl != null) format = format.replace(pl.getIdentifier(), viewer == null ? "" : pl.getLastValue(viewer, owner));
 		}
 		return format;
 	}

shared/src/main/java/me/neznamy/tab/shared/ProtocolVersion.java

@@ -6,6 +6,7 @@ package me.neznamy.tab.shared;
 public enum ProtocolVersion {
 
 	UNKNOWN	(999),
+	v1_17	(755),
 	v1_16_5 (754),
 	v1_16_4	(754),
 	v1_16_3	(753),
@@ -60,6 +61,12 @@ public enum ProtocolVersion {
 
 	//version's network id found at https://wiki.vg/Protocol_version_numbers
 	private int networkId;
+	
+	//minor version, such as 16
+	private int minorVersion;
+	
+	//friendly name displayed in %player-version% placeholder
+	private String friendlyName;
 
 	/**
 	 * Constructs new instance with given network id
@@ -67,6 +74,13 @@ public enum ProtocolVersion {
 	 */
 	private ProtocolVersion(int networkId){
 		this.networkId = networkId;
+		if (toString().equals("UNKNOWN")) {
+			this.minorVersion = 17;
+			this.friendlyName = "Unknown";
+		} else {
+			this.minorVersion = Integer.parseInt(toString().split("_")[1]);
+			this.friendlyName = toString().substring(1).replace("_", ".");
+		}
 	}
 
 	/**
@@ -82,8 +96,7 @@ public enum ProtocolVersion {
 	 * @return
 	 */
 	public String getFriendlyName() {
-		if (this == UNKNOWN) return "Unknown";
-		return toString().substring(1).replace("_", ".");
+		return friendlyName;
 	}
 
 	/**
@@ -91,8 +104,7 @@ public enum ProtocolVersion {
 	 * @return version's minor version
 	 */
 	public int getMinorVersion() {
-		if (this == UNKNOWN) return 16;
-		return Integer.parseInt(toString().split("_")[1]);
+		return minorVersion;
 	}
 
 	/**

shared/src/main/java/me/neznamy/tab/shared/TAB.java

@@ -25,14 +25,14 @@ public class TAB {
 	private static TAB instance;
 	
 	//version of plugin
-	public static final String pluginVersion = "2.8.11-pre9";
+	public static final String pluginVersion = "2.9.0";
 
 	//player data
 	public final Map<UUID, TabPlayer> data = new ConcurrentHashMap<UUID, TabPlayer>();
 	
 	//the command
-	public final TabCommand command;
-	
+	public TabCommand command;
+
 	//command used if plugin is disabled due to a broken configuration file
 	public final DisabledCommand disabledCommand = new DisabledCommand();
 	
@@ -68,7 +68,6 @@ public class TAB {
 	public TAB(Platform platform, PacketBuilder packetBuilder) {
 		this.platform = platform;
 		this.packetBuilder = packetBuilder;
-		this.command = new TabCommand(this);
 	}
 	
 	/**
@@ -115,7 +114,7 @@ public class TAB {
 	 */
 	public TabPlayer getPlayerByTablistUUID(UUID tablistId) {
 		for (TabPlayer p : data.values()) {
-			if (p.getTablistUUID().toString().equals(tablistId.toString())) return p;
+			if (p.getTablistUUID().equals(tablistId)) return p;
 		}
 		return null;
 	}
@@ -152,8 +151,9 @@ public class TAB {
 			placeholderManager = new PlaceholderManager(this);
 			featureManager.registerFeature("placeholders", placeholderManager);
 			platform.loadFeatures();
+			command = new TabCommand(this);
 			featureManager.load();
-			getPlayers().forEach(p -> p.markAsLoaded());
+			getPlayers().forEach(p -> ((ITabPlayer)p).markAsLoaded());
 			errorManager.printConsoleWarnCount();
 			print('a', "Enabled in " + (System.currentTimeMillis()-time) + "ms");
 			platform.callLoadEvent();

shared/src/main/java/me/neznamy/tab/shared/command/SubCommand.java

@@ -13,7 +13,7 @@ import me.neznamy.tab.shared.TAB;
 public abstract class SubCommand {
 
 	//all properties assignable with a command
-	protected final String[] allProperties = {"tabprefix", "tabsuffix", "tagprefix", "tagsuffix", "customtabname", "abovename", "belowname", "customtagname"};
+	public static String[] allProperties = {"tabprefix", "tabsuffix", "tagprefix", "tagsuffix", "customtabname", "abovename", "belowname", "customtagname"};
 	
 	//properties that require unlimited nametag mode
 	protected final List<String> extraProperties = Arrays.asList("abovename", "belowname", "customtagname");

shared/src/main/java/me/neznamy/tab/shared/command/TabCommand.java

@@ -3,6 +3,9 @@ package me.neznamy.tab.shared.command;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Set;
+
+import com.google.common.collect.Sets;
 
 import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.shared.TAB;
@@ -20,7 +23,6 @@ import me.neznamy.tab.shared.command.level1.ReloadCommand;
 import me.neznamy.tab.shared.command.level1.ScoreboardCommand;
 import me.neznamy.tab.shared.command.level1.SendCommand;
 import me.neznamy.tab.shared.command.level1.SetCollisionCommand;
-import me.neznamy.tab.shared.command.level1.WidthCommand;
 
 /**
  * The core command handler
@@ -52,8 +54,12 @@ public class TabCommand extends SubCommand {
 		registerSubCommand(new SetCollisionCommand());
 		if (tab.isPremium()) {
 			registerSubCommand(new ScoreboardCommand());
-			registerSubCommand(new WidthCommand());
 		}
+		Set<String> properties = Sets.newHashSet("tabprefix", "tabsuffix", "tagprefix", "tagsuffix", "customtabname", "abovename", "belowname", "customtagname");
+		for (Object line : ((DebugCommand)subcommands.get("debug")).getExtraLines()) {
+			properties.add(line.toString());
+		}
+		SubCommand.allProperties = properties.toArray(new String[0]);
 	}
 
 	@Override
@@ -106,7 +112,7 @@ public class TabCommand extends SubCommand {
 	
 	@Override
 	public List<String> complete(TabPlayer sender, String[] arguments) {
-		if (!(boolean) tab.getConfiguration().getSecretOption("auto-command-complete", true)) return new ArrayList<String>();
+		if (!hasPermission(sender, "tab.tabcomplete")) return new ArrayList<String>();
 		return super.complete(sender, arguments);
 	}
 }

shared/src/main/java/me/neznamy/tab/shared/command/level1/BossBarCommand.java

@@ -0,0 +1,37 @@
+package me.neznamy.tab.shared.command.level1;
+
+import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.command.SubCommand;
+import me.neznamy.tab.shared.features.bossbar.BossBar;
+
+/**
+ * Handler for "/tab bossbar" subcommand
+ */
+public class BossBarCommand extends SubCommand{
+
+	/**
+	 * Constructs new instance
+	 */
+	public BossBarCommand() {
+		super("bossbar", null);
+	}
+
+	@Override
+	public void execute(TabPlayer sender, String[] args) {
+		BossBar bossbar = (BossBar) TAB.getInstance().getFeatureManager().getFeature("bossbar");
+		if (bossbar == null) {
+			sendMessage(sender, "&cBossbar feature is not enabled, therefore toggle command cannot be used.");
+			return;
+		}
+		if (sender == null) {
+			sendMessage(sender, "&cThis command must be ran from the game");
+			return;
+		}
+		if (!bossbar.permToToggle || sender.hasPermission("tab.togglebar")) {
+			sender.setBossbarVisible(!sender.hasBossbarVisible(), true);
+		} else {
+			sender.sendMessage(getTranslation("no_permission"), true);
+		}
+	}
+}

shared/src/main/java/me/neznamy/tab/shared/command/level1/CpuCommand.java

@@ -5,6 +5,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.shared.TAB;
@@ -53,20 +54,26 @@ public class CpuCommand extends SubCommand {
 		sendMessage(sender, "&8&l" + LINE_CHAR + "&8&m             &r&8&l[ &bTAB CPU Stats &8&l]&r&8&l&m             ");
 		sendMessage(sender, "&8&l" + LINE_CHAR + " &6CPU stats from the last 10 seconds");
 		sendMessage(sender, SEPARATOR);
-		sendMessage(sender, "&8&l" + LINE_CHAR + " &6Placeholders using more than 0.1%:");
+		sendMessage(sender, "&8&l" + LINE_CHAR + " &6Top 5 placeholders:");
+		int printCounter = 0;
 		for (Entry<String, Float> entry : placeholders.entrySet()) {
-			if (entry.getValue() < 0.1) continue;
+			if (printCounter++ == 5) break;
 			String refresh = "";
-			Placeholder p = TAB.getInstance().getPlaceholderManager().getPlaceholder(entry.getKey()+"");
+			Placeholder p = TAB.getInstance().getPlaceholderManager().getPlaceholder(entry.getKey().toString());
 			if (p != null) refresh = " &8(" + p.getRefresh() + ")&7";
-			sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &7%s - %s%%", entry.getKey() + refresh, colorizePlaceholder(decimal3.format(entry.getValue()))));
+			sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &7%s - %s%%", entry.getKey() + refresh, colorize(decimal3.format(entry.getValue()), 1, 0.3f)));
+		}
+		sendMessage(sender, SEPARATOR);
+		sendMessage(sender, "&8&l" + LINE_CHAR + " &6Some internal separately measured methods:");
+		for (Entry<String, Float> entry : tab.getCPUManager().getMethodUsage().entrySet()) {
+			sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &7%s: %s%%", entry.getKey(), colorize(decimal3.format(entry.getValue()), 5, 2)));
 		}
 		sendMessage(sender, SEPARATOR);
 		if (tab.getPlatform().getSeparatorType().equals("server")) {
 			sendMessage(sender, "&8&l" + LINE_CHAR + " &6Placeholder usage on Bukkit servers:");
 			for (Entry<String, Float> entry : bridgeplaceholders.entrySet()) {
 				if (entry.getValue() < 0.1) continue;
-				sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &7%s - %s%%", entry.getKey(), colorizePlaceholder(decimal3.format(entry.getValue()))));
+				sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &7%s - %s%%", entry.getKey(), colorize(decimal3.format(entry.getValue()), 1, 0.3f)));
 			}
 			sendMessage(sender, SEPARATOR);
 		}
@@ -82,12 +89,12 @@ public class CpuCommand extends SubCommand {
 		} else {
 			sendPacketCountToConsole();
 		}
-		sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lPlaceholders Total: &a&l%s%%", colorizeTotalUsage(decimal3.format(placeholdersTotal))));
+		sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lPlaceholders Total: &a&l%s%%", colorize(decimal3.format(placeholdersTotal), 10, 5)));
 		if (tab.getPlatform().getSeparatorType().equals("server")) {
-			sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lBukkit bridge placeholders Total: &a&l%s%%", colorizeTotalUsage(decimal3.format(bridgeplaceholdersTotal))));
+			sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lBukkit bridge placeholders Total: &a&l%s%%", colorize(decimal3.format(bridgeplaceholdersTotal), 10, 5)));
 		}
-		sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lPlugin internals: &a&l%s%%", colorizeTotalUsage(decimal3.format(featuresTotal-placeholdersTotal))));
-		sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lTotal: &e&l%s%%", colorizeTotalUsage(decimal3.format(featuresTotal + bridgeplaceholdersTotal))));
+		sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lPlugin internals: &a&l%s%%", colorize(decimal3.format(featuresTotal-placeholdersTotal), 10, 5)));
+		sendMessage(sender, String.format("&8&l" + LINE_CHAR + " &6&lTotal: &e&l%s%%", colorize(decimal3.format(featuresTotal + bridgeplaceholdersTotal), 10, 5)));
 		sendMessage(sender, "&8&l" + LINE_CHAR + "&8&m             &r&8&l[ &bTAB CPU Stats &8&l]&r&8&l&m             ");
 		sendMessage(sender, " ");
 	}
@@ -99,10 +106,10 @@ public class CpuCommand extends SubCommand {
 			for (Float f : entry.getValue().values()) {
 				featureTotal += f;
 			}
-			String core = String.format("&8&l" + LINE_CHAR + " &7%s (%s%%&7):", entry.getKey(), colorizeFeature(decimal3.format(featureTotal)));
+			String core = String.format("&8&l" + LINE_CHAR + " &7%s (%s%%&7):", entry.getKey(), colorize(decimal3.format(featureTotal), 5, 1));
 			List<String> messages = new ArrayList<String>();
 			for (Entry<UsageType, Float> type : entry.getValue().entrySet()){
-				messages.add(String.format("&8&l" + LINE_CHAR + "     &7%s - %s%%", type.getKey(), colorizeFeature(decimal3.format(type.getValue()))));
+				messages.add(String.format("&8&l" + LINE_CHAR + "     &7%s - %s%%", type.getKey(), colorize(decimal3.format(type.getValue()), 5, 1)));
 			}
 			TAB.getInstance().getPlatform().sendConsoleMessage(core, true);
 			for (String message : messages) {
@@ -118,23 +125,23 @@ public class CpuCommand extends SubCommand {
 			for (Float f : entry.getValue().values()) {
 				featureTotal += f;
 			}
-			String core = String.format("&8&l" + LINE_CHAR + " &7%s (%s%%&7):", entry.getKey(), colorizeFeature(decimal3.format(featureTotal)));
+			String core = String.format("&8&l" + LINE_CHAR + " &7%s (%s%%&7):", entry.getKey(), colorize(decimal3.format(featureTotal), 5, 1));
 			List<String> messages = new ArrayList<String>();
 			for (Entry<UsageType, Float> type : entry.getValue().entrySet()){
-				messages.add("&3" + type.getKey().toString() + " - " + colorizeFeature(decimal3.format(type.getValue())) + "%");
+				messages.add("&3" + type.getKey().toString() + " - " + colorize(decimal3.format(type.getValue()), 5, 1) + "%");
 			}
-			IChatBaseComponent message = new IChatBaseComponent(TAB.getInstance().getPlaceholderManager().color(core));
-			message.onHoverShowText(TAB.getInstance().getPlaceholderManager().color(String.join("\n", messages)));
+			IChatBaseComponent message = new IChatBaseComponent(core.replace('&', '\u00a7'));
+			message.onHoverShowText(String.join("\n", messages).replace('&', '\u00a7'));
 			sender.sendMessage(message);
 		}
 	}
 	
 	public void sendPacketCountToConsole() {
-		Map<Object, Integer> packets = TAB.getInstance().getCPUManager().getSentPackets();
+		Map<Object, AtomicInteger> packets = TAB.getInstance().getCPUManager().getSentPackets();
 		int count = 0;
 		List<String> messages = new ArrayList<String>();
-		for (Entry<Object, Integer> entry : packets.entrySet()) {
-			count += entry.getValue();
+		for (Entry<Object, AtomicInteger> entry : packets.entrySet()) {
+			count += entry.getValue().get();
 			messages.add("&8&l" + LINE_CHAR + "     &7" + entry.getKey().toString() + " - " + entry.getValue());
 		}
 		TAB.getInstance().getPlatform().sendConsoleMessage("&8&l" + LINE_CHAR + " &r&7Packets sent by the plugin: " + count, true);
@@ -144,15 +151,15 @@ public class CpuCommand extends SubCommand {
 	}
 	
 	public void sendPacketCountToPlayer(TabPlayer sender) {
-		Map<Object, Integer> packets = TAB.getInstance().getCPUManager().getSentPackets();
+		Map<Object, AtomicInteger> packets = TAB.getInstance().getCPUManager().getSentPackets();
 		int count = 0;
 		List<String> messages = new ArrayList<String>();
-		for (Entry<Object, Integer> entry : packets.entrySet()) {
-			count += entry.getValue();
+		for (Entry<Object, AtomicInteger> entry : packets.entrySet()) {
+			count += entry.getValue().get();
 			messages.add("&3" + entry.getKey().toString() + " - " + entry.getValue());
 		}
-		IChatBaseComponent message = new IChatBaseComponent(TAB.getInstance().getPlaceholderManager().color("&8&l" + LINE_CHAR + " &r&7Packets sent by the plugin (hover for more info): " + count));
-		message.onHoverShowText(TAB.getInstance().getPlaceholderManager().color(String.join("\n", messages)));
+		IChatBaseComponent message = new IChatBaseComponent(("&8&l" + LINE_CHAR + " &r&7Packets sent by the plugin (hover for more info): " + count).replace('&', '\u00a7'));
+		message.onHoverShowText(String.join("\n", messages).replace('&', '\u00a7'));
 		sender.sendMessage(message);
 	}
 
@@ -161,34 +168,10 @@ public class CpuCommand extends SubCommand {
 	 * @param usage - usage
 	 * @return colored usage
 	 */
-	private String colorizePlaceholder(String usage) {
+	private String colorize(String usage, float threshold1, float threshold2) {
 		float percent = Float.parseFloat(usage.replace(",", "."));
-		if (percent > 1) return "&c" + usage;
-		if (percent > 0.3) return "&e" + usage;
-		return "&a" + usage;
-	}
-
-	/**
-	 * Returns colored usage from provided usage
-	 * @param usage - usage
-	 * @return colored usage
-	 */
-	private String colorizeFeature(String usage) {
-		float percent = Float.parseFloat(usage.replace(",", "."));
-		if (percent > 5) return "&c" + usage;
-		if (percent > 1) return "&e" + usage;
-		return "&a" + usage;
-	}
-
-	/**
-	 * Returns colored usage from provided usage
-	 * @param usage - usage
-	 * @return colored usage
-	 */
-	private String colorizeTotalUsage(String usage) {
-		float percent = Float.parseFloat(usage.replace(",", "."));
-		if (percent > 10) return "&c" + usage;
-		if (percent > 5) return "&e" + usage;
+		if (percent > threshold1) return "&c" + usage;
+		if (percent > threshold2) return "&e" + usage;
 		return "&a" + usage;
 	}
 }

shared/src/main/java/me/neznamy/tab/shared/command/level1/DebugCommand.java

@@ -51,14 +51,15 @@ public class DebugCommand extends SubCommand {
 		TAB tab = TAB.getInstance();
 		sendMessage(sender, "&3[TAB] &a&lShowing debug information");
 		sendMessage(sender, "&7&m>-------------------------------<");
-		sendMessage(sender, "&6Server version: &a" + tab.getPlatform().getServerVersion());
-		sendMessage(sender, "&6Plugin version: &a" + tab.getPluginVersion() + (tab.isPremium() ? " Premium" : ""));
+		String c2 = tab.isPremium() ? "&b" : "&a";
+		sendMessage(sender, "&6Server version: " + c2 + tab.getPlatform().getServerVersion());
+		sendMessage(sender, "&6Plugin version: " + c2 + tab.getPluginVersion() + (tab.isPremium() ? " Premium" : ""));
 		if (tab.getErrorManager().errorLog.exists()) {
 			sendMessage(sender, "&6" + tab.getErrorManager().errorLog.getPath() + " size: &c" + tab.getErrorManager().errorLog.length()/1024 + "KB");
 		}
-		sendMessage(sender, "&6Permission plugin: &a" + tab.getPermissionPlugin().getName());
-		sendMessage(sender, getGroupChoiceLogic());
-		sendMessage(sender, "&6Sorting system: &a" + getSortingType());
+		sendMessage(sender, "&6Permission plugin: " + c2 + tab.getPermissionPlugin().getName());
+		sendMessage(sender, "&6Permission group choice logic: " + c2 + getGroupChoiceLogic());
+		sendMessage(sender, "&6Sorting system: " + c2 + getSortingType());
 		sendMessage(sender, "&7&m>-------------------------------<");
 		if (analyzed == null) return;
 		sendMessage(sender, "&ePlayer: &a" + analyzed.getName());
@@ -80,7 +81,7 @@ public class DebugCommand extends SubCommand {
 			showProperty(sender, analyzed, "tagprefix", disabledNametags);
 			showProperty(sender, analyzed, "tagsuffix", disabledNametags);
 			for (Object line : getExtraLines()) {
-				showProperty(sender, analyzed, line+"", disabledNametags);
+				showProperty(sender, analyzed, line.toString(), disabledNametags);
 			}
 		} else {
 			sendMessage(sender, "&atagprefix: &cDisabled");
@@ -96,11 +97,11 @@ public class DebugCommand extends SubCommand {
 	private String getGroupChoiceLogic() {
 		GroupRefresher group = (GroupRefresher) TAB.getInstance().getFeatureManager().getFeature("group");
 		if (group.groupsByPermissions) {
-			return "&6Permission group choice logic: &8&mPrimary group&8 / &r&8&mChoose from list&8 / &aPermissions";
+			return "Permissions";
 		} else if (group.usePrimaryGroup) {
-			return "&6Permission group choice logic: &aPrimary group&8 / &r&8&mChoose from list&8 / &r&8&mPermissions";
+			return "Primary group";
 		} else {
-			return "&6Permission group choice logic: &8&mPrimary group&r&8 / &aChoose from list&8 / &r&8&mPermissions";
+			return "Choose from list";
 		}
 	}
 	
@@ -170,7 +171,7 @@ public class DebugCommand extends SubCommand {
 	 * @return list of extra properties
 	 */
 	@SuppressWarnings("unchecked")
-	private List<Object> getExtraLines(){
+	public List<Object> getExtraLines(){
 		if (!TAB.getInstance().getFeatureManager().isFeatureEnabled("nametagx")) return new ArrayList<Object>();
 		if (TAB.getInstance().isPremium()) {
 			List<Object> lines = Lists.newArrayList((List<Object>) TAB.getInstance().getConfiguration().premiumconfig.getObject("unlimited-nametag-mode-dynamic-lines"));
@@ -196,7 +197,8 @@ public class DebugCommand extends SubCommand {
 		} else {
 			Property pr = analyzed.getProperty(property);
 			String rawValue = pr.getCurrentRawValue().replace('\u00a7', '&');
-			String value = TAB.getInstance().getPlaceholderManager().color("&a" + property + ": &e\"&r%rawValue%&r&e\" &7(" + rawValue.length() + ") &9(Source: " + pr.getSource() + ")").replace("%rawValue%", rawValue);
+			String c = TAB.getInstance().isPremium() ? "&7" : "&9";
+			String value = String.format(("&a%s: &e\"&r%s&r&e\" &7(%s) " + c + "(Source: %s)").replace('&', '\u00a7'), property, rawValue, rawValue.length(), pr.getSource());
 			sendRawMessage(sender, value);
 		}
 	}

shared/src/main/java/me/neznamy/tab/shared/command/level1/GroupCommand.java

@@ -68,6 +68,12 @@ public class GroupCommand extends SubCommand {
 	 * @param value - new value
 	 */
 	private void saveGroup(TabPlayer sender, String group, String type, String value){
+		if (value.length() > 0){
+			sendMessage(sender, getTranslation("value_assigned").replace("%type%", type).replace("%value%", value).replace("%unit%", group).replace("%category%", "group"));
+		} else {
+			sendMessage(sender, getTranslation("value_removed").replace("%type%", type).replace("%unit%", group).replace("%category%", "group"));
+		}
+		if (String.valueOf(value.length() == 0 ? null : value).equals(String.valueOf(TAB.getInstance().getConfiguration().config.getObject("Groups." + group.replace(".", "@#@") + "." + type)))) return;
 		TAB.getInstance().getConfiguration().config.set("Groups." + group.replace(".", "@#@") + "." + type, value.length() == 0 ? null : value);
 		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
 		for (TabPlayer pl : TAB.getInstance().getPlayers()) {
@@ -75,11 +81,6 @@ public class GroupCommand extends SubCommand {
 				pl.forceRefresh();
 			}
 		}
-		if (value.length() > 0){
-			sendMessage(sender, getTranslation("value_assigned").replace("%type%", type).replace("%value%", value).replace("%unit%", group).replace("%category%", "group"));
-		} else {
-			sendMessage(sender, getTranslation("value_removed").replace("%type%", type).replace("%unit%", group).replace("%category%", "group"));
-		}
 	}
 
 	@Override

shared/src/main/java/me/neznamy/tab/shared/command/level1/ParseCommand.java

@@ -21,10 +21,10 @@ public class ParseCommand extends SubCommand{
 	public void execute(TabPlayer sender, String[] args) {
 		if (args.length > 0) {
 			String replaced = String.join(" ", args);
-			String message = TAB.getInstance().getPlaceholderManager().color("&6Replacing placeholder &e%placeholder%" + (sender == null ? "" : "&6 for player &e" + sender.getName())).replace("%placeholder%", replaced);
+			String message = ("&6Replacing placeholder &e%placeholder%" + (sender == null ? "" : "&6 for player &e" + sender.getName())).replace('&', '\u00a7').replace("%placeholder%", replaced);
 			sendRawMessage(sender, message);
 			replaced = TAB.getInstance().getPlatform().replaceAllPlaceholders(replaced, sender);
-			IChatBaseComponent colored = IChatBaseComponent.fromColoredText("With colors: " + replaced);
+			IChatBaseComponent colored = IChatBaseComponent.optimizedComponent("With colors: " + replaced);
 			if (sender != null) {
 				sender.sendMessage(colored);
 			} else {

shared/src/main/java/me/neznamy/tab/shared/command/level1/PlayerCommand.java

@@ -67,17 +67,18 @@ public class PlayerCommand extends SubCommand {
 	 * @param value - new value
 	 */
 	public void savePlayer(TabPlayer sender, String player, String type, String value){
-		TabPlayer pl = TAB.getInstance().getPlayer(player);
-		TAB.getInstance().getConfiguration().config.set("Users." + player + "." + type, value.length() == 0 ? null : value);
-		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
-		if (pl != null) {
-			pl.forceRefresh();
-		}
 		if (value.length() > 0){
 			sendMessage(sender, getTranslation("value_assigned").replace("%type%", type).replace("%value%", value).replace("%unit%", player).replace("%category%", "player"));
 		} else {
 			sendMessage(sender, getTranslation("value_removed").replace("%type%", type).replace("%unit%", player).replace("%category%", "player"));
 		}
+		if (String.valueOf(value.length() == 0 ? null : value).equals(String.valueOf(TAB.getInstance().getConfiguration().config.getObject("Users." + player + "." + type)))) return;
+		TAB.getInstance().getConfiguration().config.set("Users." + player + "." + type, value.length() == 0 ? null : value);
+		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
+		TabPlayer pl = TAB.getInstance().getPlayer(player);
+		if (pl != null) {
+			pl.forceRefresh();
+		}
 	}
 	
 	@Override

shared/src/main/java/me/neznamy/tab/shared/command/level1/PlayerUUIDCommand.java

@@ -69,14 +69,15 @@ public class PlayerUUIDCommand extends SubCommand {
 	 * @param value - new value
 	 */
 	public void savePlayer(TabPlayer sender, TabPlayer player, String type, String value){
-		TAB.getInstance().getConfiguration().config.set("Users." + player.getUniqueId() + "." + type, value.length() == 0 ? null : value);
-		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
-		player.forceRefresh();
 		if (value.length() > 0){
 			sendMessage(sender, getTranslation("value_assigned").replace("%type%", type).replace("%value%", value).replace("%unit%", player.getName() + "(" + player.getUniqueId().toString() + ")").replace("%category%", "UUID"));
 		} else {
 			sendMessage(sender, getTranslation("value_removed").replace("%type%", type).replace("%unit%", player.getName() + "(" + player.getUniqueId().toString() + ")").replace("%category%", "UUID"));
 		}
+		if (String.valueOf(value.length() == 0 ? null : value).equals(String.valueOf(TAB.getInstance().getConfiguration().config.getObject("Users." + player.getUniqueId() + "." + type)))) return;
+		TAB.getInstance().getConfiguration().config.set("Users." + player.getUniqueId() + "." + type, value.length() == 0 ? null : value);
+		TAB.getInstance().getPlaceholderManager().checkForRegistration(value);
+		player.forceRefresh();
 	}
 	
 	@Override

shared/src/main/java/me/neznamy/tab/shared/command/level1/ScoreboardCommand.java

@@ -1,6 +1,7 @@
 package me.neznamy.tab.shared.command.level1;
 
 import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.shared.ITabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.command.SubCommand;
 import me.neznamy.tab.shared.features.scoreboard.ScoreboardManager;
@@ -21,7 +22,7 @@ public class ScoreboardCommand extends SubCommand {
 	public void execute(TabPlayer sender, String[] args) {
 		ScoreboardManager scoreboard = (ScoreboardManager) TAB.getInstance().getFeatureManager().getFeature("scoreboard");
 		if (scoreboard == null) {
-			sendMessage(sender, TAB.getInstance().getPlaceholderManager().color("&cScoreboard feature is not enabled, therefore toggle command cannot be used."));
+			sendMessage(sender, "&cScoreboard feature is not enabled, therefore toggle command cannot be used.");
 			return;
 		}
 		if (scoreboard.permToToggle && !hasPermission(sender, "tab.togglescoreboard")) {
@@ -45,17 +46,22 @@ public class ScoreboardCommand extends SubCommand {
 				return;
 			}
 		}
-		if (p.getOtherPluginScoreboard() != null) return; //not overriding other plugins
+		if (((ITabPlayer)p).getOtherPluginScoreboard() != null) return; //not overriding other plugins
 		boolean silent = args.length >= 3 && args[2].equals("-s");
 		if (args.length >= 1) {
-			if (args[0].equalsIgnoreCase("on"))
+			switch(args[0]) {
+			case "on":
 				p.setScoreboardVisible(true, !silent);
-
-			if (args[0].equalsIgnoreCase("off"))
+				break;
+			case "off":
 				p.setScoreboardVisible(false, !silent);
-
-			if (args[0].equalsIgnoreCase("toggle"))
+				break;
+			case "toggle":
 				p.toggleScoreboard(!silent);
+				break;
+			default:
+				break;
+			}
 		}
 	}
 }

shared/src/main/java/me/neznamy/tab/shared/command/level2/AnnounceBarCommand.java

@@ -38,12 +38,12 @@ public class AnnounceBarCommand extends SubCommand{
 		try {
 			duration = Integer.parseInt(args[1]);
 		} catch (Exception e) {
-			sender.sendMessage(args[1] + " is not a number!", false);
+			sendMessage(sender, args[1] + " is not a number!");
 			return;
 		}
 		BossBarLine bar = feature.lines.get(barname);
 		if (bar == null) {
-			sender.sendMessage("Bar not found", false);
+			sendMessage(sender, "Bar not found");
 			return;
 		}
 		new Thread(() -> {

shared/src/main/java/me/neznamy/tab/shared/command/level2/AnnounceScoreboardCommand.java

@@ -40,12 +40,12 @@ public class AnnounceScoreboardCommand extends SubCommand{
 		try {
 			duration = Integer.parseInt(args[1]);
 		} catch (Exception e) {
-			sender.sendMessage(args[1] + " is not a number!", false);
+			sendMessage(sender, args[1] + " is not a number!");
 			return;
 		}
 		Scoreboard sb = feature.getScoreboards().get(scoreboard);
 		if (sb == null) {
-			sender.sendMessage("Scoreboard not found", false);
+			sendMessage(sender, "Scoreboard not found");
 			return;
 		}
 		announce(feature, sb, duration);

shared/src/main/java/me/neznamy/tab/shared/command/level2/SendBarCommand.java

@@ -48,7 +48,7 @@ public class SendBarCommand extends SubCommand{
 		}
 		BossBarLine bar = feature.lines.get(barname);
 		if (bar == null) {
-			sender.sendMessage("Bar not found", false);
+			sendMessage(sender, "No bar found with name \"" + bar + "\"");
 			return;
 		}
 		new Thread(() -> {

shared/src/main/java/me/neznamy/tab/shared/config/Configs.java

@@ -30,15 +30,23 @@ public class Configs {
 
 	//remove-strings option
 	public List<String> removeStrings;
+	
+	//hidden config options
+	public boolean rgbSupport;
+	public boolean unregisterBeforeRegister;
+	public String multiWorldSeparator;
+	public String essentialsNickPrefix;
+	public boolean armorStandsAlwaysVisible; //paid private addition
+	public boolean removeGhostPlayers;
+	public boolean layout;
+	public boolean pipelineInjection;
+	public boolean bukkitPermissions;
 
 	//animations.yml file
 	public ConfigurationFile animation;
 
 	//bossbar.yml file
 	public ConfigurationFile bossbar;
-	
-	//used for check & warn in case of old bossbar file format
-	public boolean BossBarEnabled;
 
 	//translation.yml file
 	public ConfigurationFile translation;
@@ -69,14 +77,16 @@ public class Configs {
 		removeAdvancedConfig();
 		loadConfig();
 		animation = new YamlConfigurationFile(loader.getResourceAsStream("animations.yml"), new File(tab.getPlatform().getDataFolder(), "animations.yml"));
-		tab.getPlatform().convertConfig(animation);
-		loadBossbar();
+		Map<String, Object> values = animation.getValues();
+		if (values.size() == 1 && values.containsKey("animations")) {
+			animation.setValues(animation.getConfigurationSection("animations"));
+			animation.save();
+			TAB.getInstance().print('2', "Converted animations.yml to new format.");
+		}
+		bossbar = new YamlConfigurationFile(loader.getResourceAsStream("bossbar.yml"), new File(tab.getPlatform().getDataFolder(), "bossbar.yml"));
 		translation = new YamlConfigurationFile(loader.getResourceAsStream("translation.yml"), new File(tab.getPlatform().getDataFolder(), "translation.yml"));
 		reloadFailed = translation.getString("reload-failed", "&4Failed to reload, file %file% has broken syntax. Check console for more info.");
-		if (tab.isPremium()) {
-			premiumconfig = new YamlConfigurationFile(loader.getResourceAsStream("premiumconfig.yml"), new File(tab.getPlatform().getDataFolder(), "premiumconfig.yml"));
-			tab.getPlatform().convertConfig(premiumconfig);
-		}
+		if (tab.isPremium()) premiumconfig = new YamlConfigurationFile(loader.getResourceAsStream("premiumconfig.yml"), new File(tab.getPlatform().getDataFolder(), "premiumconfig.yml"));
 	}
 
 	/**
@@ -101,22 +111,31 @@ public class Configs {
 	 */
 	@SuppressWarnings("unchecked")
 	public void loadConfig() throws Exception {
-		String source = tab.getPlatform().getSeparatorType().equals("world") ? "bukkitconfig.yml" : "bungeeconfig.yml";
-		config = new YamlConfigurationFile(Configs.class.getClassLoader().getResourceAsStream(source), new File(tab.getPlatform().getDataFolder(), "config.yml"), Arrays.asList("# Detailed explanation of all options available at https://github.com/NEZNAMY/TAB/wiki/config.yml", ""));
-		tab.getPlatform().convertConfig(config);
+		config = new YamlConfigurationFile(Configs.class.getClassLoader().getResourceAsStream(tab.getPlatform().getConfigName()), new File(tab.getPlatform().getDataFolder(), "config.yml"), Arrays.asList("# Detailed explanation of all options available at https://github.com/NEZNAMY/TAB/wiki/config.yml", ""));
 		removeStrings = new ArrayList<>();
 		for (String s : config.getStringList("placeholders.remove-strings", Arrays.asList("[] ", "< > "))) {
 			removeStrings.add(s.replace('&', '\u00a7'));
 		}
 		tab.debugMode = (boolean) getSecretOption("debug", false);
+		rgbSupport = (boolean) getSecretOption("rgb-support", true);
+		unregisterBeforeRegister = (boolean) getSecretOption("unregister-before-register", true);
+		multiWorldSeparator = (String) getSecretOption("multi-world-separator", "-");
+		essentialsNickPrefix = (String) getSecretOption("essentials-nickname-prefix", "");
+		armorStandsAlwaysVisible = (boolean) getSecretOption("unlimited-nametag-prefix-suffix-mode.always-visible", false);
+		removeGhostPlayers = (boolean) getSecretOption("remove-ghost-players", false);
+		layout = (boolean) getSecretOption("layout", false);
+		pipelineInjection = (boolean) getSecretOption("pipeline-injection", true);
+		if (tab.getPlatform().getSeparatorType().equals("server")) {
+			bukkitPermissions = config.getBoolean("use-bukkit-permissions-manager", false);
+		}
 		
 		//checking for unnecessary copypaste in config
 		Set<Object> groups = config.getConfigurationSection("Groups").keySet();
 		if (groups.size() < 2) return;
 		Map<Object, Object> sharedProperties = new HashMap<>(config.getConfigurationSection("Groups." + groups.toArray()[0])); //cloning to not delete from original one
 		for (Object groupSettings : config.getConfigurationSection("Groups").values()) {
+			if (!(groupSettings instanceof Map)) continue;
 			Map<String, Object> group = (Map<String, Object>) groupSettings;
-			if (group == null) continue; // #261
 			for (Entry<Object, Object> sharedProperty : new HashSet<>(sharedProperties.entrySet())) {
 				String property = sharedProperty.getKey().toString();
 				if (!group.containsKey(property) || !String.valueOf(group.get(property)).equals(sharedProperty.getValue())) {
@@ -129,28 +148,13 @@ public class Configs {
 		}
 	}
 
-	/**
-	 * Loads bossbar.yml and sends a warn if file is old
-	 * @throws Exception - if file has broken syntax or I/O file operation fails
-	 */
-	public void loadBossbar() throws Exception {
-		bossbar = new YamlConfigurationFile(Configs.class.getClassLoader().getResourceAsStream("bossbar.yml"), new File(tab.getPlatform().getDataFolder(), "bossbar.yml"));
-		tab.getPlatform().convertConfig(bossbar);
-		if (bossbar.hasConfigOption("enabled")) {
-			tab.getErrorManager().startupWarn("You are using old bossbar config, please make a backup of the file and delete it to get new file.");
-			BossBarEnabled = false;
-			return;
-		}
-		BossBarEnabled = bossbar.getBoolean("bossbar-enabled", false);
-	}
-
 	/**
 	 * Returns value of hidden config option with specified path if it exists, defaultValue otherwise
 	 * @param path - path to value
 	 * @param defaultValue - value to return if option is not present in file
 	 * @return value with specified path or default value if not present
 	 */
-	public Object getSecretOption(String path, Object defaultValue) {
+	private Object getSecretOption(String path, Object defaultValue) {
 		if (config == null) return defaultValue;
 		Object value = config.getObject(path);
 		return value == null ? defaultValue : value;
@@ -185,7 +189,7 @@ public class Configs {
 		Map<String, Object> worlds = config.getConfigurationSection("per-" + tab.getPlatform().getSeparatorType() + "-settings");
 		if (worlds.isEmpty()) return world;
 		for (String worldGroup : worlds.keySet()) {
-			for (String localWorld : worldGroup.split((String)getSecretOption("multi-world-separator", "-"))) {
+			for (String localWorld : worldGroup.split(multiWorldSeparator)) {
 				if (localWorld.equalsIgnoreCase(world)) return worldGroup;
 			}
 		}

shared/src/main/java/me/neznamy/tab/shared/config/ConfigurationFile.java

@@ -150,7 +150,7 @@ public abstract class ConfigurationFile {
 	public String getString(String path, String defaultValue) {
 		Object value = getObject(path, defaultValue);
 		if (value == null) return defaultValue;
-		return value+"";
+		return String.valueOf(value);
 	}
 	
 	/**
@@ -178,7 +178,7 @@ public abstract class ConfigurationFile {
 		}
 		List<String> fixedList = new ArrayList<String>();
 		for (Object key : (List<Object>)value) {
-			fixedList.add(key+"");
+			fixedList.add(key.toString());
 		}
 		return fixedList;
 	}
@@ -212,7 +212,7 @@ public abstract class ConfigurationFile {
 		Object value = getObject(path, defaultValue);
 		if (value == null) return defaultValue;
 		try{
-			return Integer.parseInt(value+"");
+			return Integer.parseInt(value.toString());
 		} catch (Exception e) {
 			dataMismatch(path, Integer.class, value.getClass());
 			return defaultValue;
@@ -239,7 +239,7 @@ public abstract class ConfigurationFile {
 		Object value = getObject(path, defaultValue);
 		if (value == null) return defaultValue;
 		try{
-			return Boolean.parseBoolean(value+"");
+			return Boolean.parseBoolean(value.toString());
 		} catch (Exception e) {
 			dataMismatch(path, Boolean.class, value.getClass());
 			return defaultValue;
@@ -257,7 +257,7 @@ public abstract class ConfigurationFile {
 		Object value = getObject(path, defaultValue);
 		if (value == null) return defaultValue;
 		try{
-			return Double.parseDouble(value+"");
+			return Double.parseDouble(value.toString());
 		} catch (Exception e) {
 			dataMismatch(path, Double.class, value.getClass());
 			return defaultValue;

shared/src/main/java/me/neznamy/tab/shared/config/YamlConfigurationFile.java

@@ -65,7 +65,7 @@ public class YamlConfigurationFile extends ConfigurationFile {
 		} catch (YAMLException e) {
 			input.close();
 			TAB tab = TAB.getInstance();
-			tab.getErrorManager().startupWarn("File " + destination + " has broken formatting.");
+			tab.getErrorManager().startupWarn("File " + destination + " has broken syntax.");
 			tab.brokenFile = file.getPath();
 			tab.getPlatform().sendConsoleMessage("&6[TAB] Error message from yaml parser: " + e.getMessage(), true);
 			List<String> suggestions = YamlAssist.getSuggestions(file);

shared/src/main/java/me/neznamy/tab/shared/cpu/CPUManager.java

@@ -12,6 +12,8 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
 
 import me.neznamy.tab.shared.ErrorManager;
 
@@ -24,20 +26,22 @@ public class CPUManager {
 	private final int bufferSizeMillis = 10000;
 
 	//nanoseconds worked in the current 10 seconds
-	private Map<Object, Map<UsageType, Long>> featureUsageCurrent = new ConcurrentHashMap<Object, Map<UsageType, Long>>();
-	private Map<String, Long> placeholderUsageCurrent = new ConcurrentHashMap<String, Long>();
-	private Map<String, Long> bridgePlaceholderUsageCurrent = new ConcurrentHashMap<String, Long>();
+	private Map<Object, Map<UsageType, AtomicLong>> featureUsageCurrent = new ConcurrentHashMap<Object, Map<UsageType, AtomicLong>>();
+	private Map<String, AtomicLong> placeholderUsageCurrent = new ConcurrentHashMap<String, AtomicLong>();
+	private Map<String, AtomicLong> bridgePlaceholderUsageCurrent = new ConcurrentHashMap<String, AtomicLong>();
+	private Map<String, AtomicLong> methodUsageCurrent = new ConcurrentHashMap<String, AtomicLong>();
 	
 	//packets sent in the current 10 seconds
-	private Map<Object, Integer> packetsCurrent = new ConcurrentHashMap<Object, Integer>();
+	private Map<Object, AtomicInteger> packetsCurrent = new ConcurrentHashMap<Object, AtomicInteger>();
 
 	//nanoseconds worked in the previous 10 seconds
-	private Map<Object, Map<UsageType, Long>> featureUsagePrevious = new HashMap<Object, Map<UsageType, Long>>();
-	private Map<String, Long> placeholderUsagePrevious = new HashMap<String, Long>();
-	private Map<String, Long> bridgePlaceholderUsagePrevious = new HashMap<String, Long>();
+	private Map<Object, Map<UsageType, AtomicLong>> featureUsagePrevious = new HashMap<Object, Map<UsageType, AtomicLong>>();
+	private Map<String, AtomicLong> placeholderUsagePrevious = new HashMap<String, AtomicLong>();
+	private Map<String, AtomicLong> bridgePlaceholderUsagePrevious = new HashMap<String, AtomicLong>();
+	private Map<String, AtomicLong> methodUsagePrevious = new HashMap<String, AtomicLong>();
 	
 	//packets sent in the previous 10 seconds
-	private Map<Object, Integer> packetsPrevious = new ConcurrentHashMap<Object, Integer>();
+	private Map<Object, AtomicInteger> packetsPrevious = new ConcurrentHashMap<Object, AtomicInteger>();
 
 	//thread pool
 	private ThreadPoolExecutor exe = (ThreadPoolExecutor) Executors.newCachedThreadPool();
@@ -62,12 +66,14 @@ public class CPUManager {
 						featureUsagePrevious = featureUsageCurrent;
 						placeholderUsagePrevious = placeholderUsageCurrent;
 						bridgePlaceholderUsagePrevious = bridgePlaceholderUsageCurrent;
+						methodUsagePrevious = methodUsageCurrent;
 						packetsPrevious = packetsCurrent;
 
-						featureUsageCurrent = new ConcurrentHashMap<Object, Map<UsageType, Long>>();
-						placeholderUsageCurrent = new ConcurrentHashMap<String, Long>();
-						bridgePlaceholderUsageCurrent = new ConcurrentHashMap<String, Long>();
-						packetsCurrent = new ConcurrentHashMap<Object, Integer>();
+						featureUsageCurrent = new ConcurrentHashMap<Object, Map<UsageType, AtomicLong>>();
+						placeholderUsageCurrent = new ConcurrentHashMap<String, AtomicLong>();
+						bridgePlaceholderUsageCurrent = new ConcurrentHashMap<String, AtomicLong>();
+						methodUsageCurrent = new ConcurrentHashMap<String, AtomicLong>();
+						packetsCurrent = new ConcurrentHashMap<Object, AtomicInteger>();
 					}
 				} catch (InterruptedException pluginDisabled) {
 
@@ -211,12 +217,20 @@ public class CPUManager {
 		return getUsage(bridgePlaceholderUsagePrevious);
 	}
 	
+	/**
+	 * Returns cpu usage map of methods previous 10 seconds
+	 * @return cpu usage map of methods
+	 */
+	public Map<String, Float> getMethodUsage(){
+		return getUsage(methodUsagePrevious);
+	}
+	
 	/**
 	 * Returns map of sent packets per feature in previous 10 seconds
 	 * @return map of sent packets per feature
 	 */
-	public Map<Object, Integer> getSentPackets(){
-		return sortByValue(packetsPrevious);
+	public Map<Object, AtomicInteger> getSentPackets(){
+		return sortByValue1(packetsPrevious);
 	}
 
 	/**
@@ -224,13 +238,13 @@ public class CPUManager {
 	 * @param map - map to converted
 	 * @return converted and sorted map
 	 */
-	private Map<String, Float> getUsage(Map<String, Long> map){
+	private Map<String, Float> getUsage(Map<String, AtomicLong> map){
 		Map<String, Long> nanoMap = new HashMap<String, Long>();
 		String key;
-		for (Entry<String, Long> nanos : map.entrySet()) {
+		for (Entry<String, AtomicLong> nanos : map.entrySet()) {
 			key = nanos.getKey();
 			if (!nanoMap.containsKey(key)) nanoMap.put(key, 0L);
-			nanoMap.put(key, nanoMap.get(key)+nanos.getValue());
+			nanoMap.put(key, nanoMap.get(key)+nanos.getValue().get());
 		}
 		Map<String, Float> percentMap = new HashMap<String, Float>();
 		for (Entry<String, Long> entry : nanoMap.entrySet()) {
@@ -245,17 +259,17 @@ public class CPUManager {
 	 */
 	public Map<Object, Map<UsageType, Float>> getFeatureUsage(){
 		Map<Object, Map<UsageType, Long>> total = new HashMap<Object, Map<UsageType, Long>>();
-		for (Entry<Object, Map<UsageType, Long>> nanos : featureUsagePrevious.entrySet()) {
+		for (Entry<Object, Map<UsageType, AtomicLong>> nanos : featureUsagePrevious.entrySet()) {
 			Object key = nanos.getKey();
 			if (!total.containsKey(key)) {
 				total.put(key, new HashMap<UsageType, Long>());
 			}
 			Map<UsageType, Long> usage = total.get(key);
-			for (Entry<UsageType, Long> entry : nanos.getValue().entrySet()) {
+			for (Entry<UsageType, AtomicLong> entry : nanos.getValue().entrySet()) {
 				if (!usage.containsKey(entry.getKey())) {
 					usage.put(entry.getKey(), 0L);
 				}
-				usage.put(entry.getKey(), usage.get(entry.getKey()) + entry.getValue());
+				usage.put(entry.getKey(), usage.get(entry.getKey()) + entry.getValue().get());
 			}
 		}
 		Map<Object, Map<UsageType, Float>> sorted = new LinkedHashMap<Object, Map<UsageType, Float>>();
@@ -300,6 +314,26 @@ public class CPUManager {
 		sortedByValues.putAll(map);
 		return sortedByValues;
 	}
+	
+	/**
+	 * Sorts map by value from higest to lowest
+	 * @param <K> - map key
+	 * @param <V> - map value
+	 * @param map - map to sort
+	 * @return sorted map
+	 */
+	private <K> Map<K, AtomicInteger> sortByValue1(Map<K, AtomicInteger> map) {
+		Comparator<K> valueComparator =  new Comparator<K>() {
+			public int compare(K k1, K k2) {
+				int compare = ((Comparable<Integer>)map.get(k2).get()).compareTo(map.get(k1).get());
+				if (compare == 0) return 1;
+				else return compare;
+			}
+		};
+		Map<K, AtomicInteger> sortedByValues = new TreeMap<K, AtomicInteger>(valueComparator);
+		sortedByValues.putAll(map);
+		return sortedByValues;
+	}
 
 	/**
 	 * Sorts keys by map nested values from highest to lowest and returns sorted list of keys
@@ -341,14 +375,14 @@ public class CPUManager {
 	 * @param nanoseconds - time to add
 	 */
 	public void addTime(Object feature, UsageType type, long nanoseconds) {
-		Map<UsageType, Long> usage = featureUsageCurrent.get(feature);
+		Map<UsageType, AtomicLong> usage = featureUsageCurrent.get(feature);
 		if (usage == null) {
-			usage = new ConcurrentHashMap<UsageType, Long>();
+			usage = new ConcurrentHashMap<UsageType, AtomicLong>();
 			featureUsageCurrent.put(feature, usage);
 		}
 		try {
 			if (!usage.containsKey(type)) {
-				usage.put(type, 0L);
+				usage.put(type, new AtomicLong());
 			}
 		} catch (NullPointerException e) {
 			//java.lang.NullPointerException: null
@@ -356,11 +390,11 @@ public class CPUManager {
 			//at java.base/java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:964)
 			return;
 		}
-		Long current = usage.get(type);
+		AtomicLong current = usage.get(type);
 		if (current == null) {
-			usage.put(type, nanoseconds);
+			usage.put(type, new AtomicLong(nanoseconds));
 		} else {
-			usage.put(type, current + nanoseconds);
+			current.addAndGet(nanoseconds);
 		}
 	}
 
@@ -370,12 +404,7 @@ public class CPUManager {
 	 * @param nanoseconds - time to add
 	 */
 	public void addPlaceholderTime(String placeholder, long nanoseconds) {
-		Long current = placeholderUsageCurrent.get(placeholder);
-		if (current == null) {
-			placeholderUsageCurrent.put(placeholder, nanoseconds);
-		} else {
-			placeholderUsageCurrent.put(placeholder, current + nanoseconds);
-		}
+		addTime(placeholderUsageCurrent, placeholder, nanoseconds);
 	}
 
 	/**
@@ -384,11 +413,30 @@ public class CPUManager {
 	 * @param nanoseconds - time to add
 	 */
 	public void addBridgePlaceholderTime(String placeholder, long nanoseconds) {
-		Long current = bridgePlaceholderUsageCurrent.get(placeholder);
+		addTime(bridgePlaceholderUsageCurrent, placeholder, nanoseconds);
+	}
+	
+	/**
+	 * Adds method time to defined method
+	 * @param method - method to add time to
+	 * @param nanoseconds - time to add
+	 */
+	public void addMethodTime(String method, long nanoseconds) {
+		addTime(methodUsageCurrent, method, nanoseconds);
+	}
+	
+	/**
+	 * Adds used time to specified key into specified map
+	 * @param map - map to add usage to
+	 * @param key - usage key
+	 * @param time - nanoseconds the task took
+	 */
+	private void addTime(Map<String, AtomicLong> map, String key, long time) {
+		AtomicLong current = map.get(key);
 		if (current == null) {
-			bridgePlaceholderUsageCurrent.put(placeholder, nanoseconds);
+			map.put(key, new AtomicLong(time));
 		} else {
-			bridgePlaceholderUsageCurrent.put(placeholder, current + nanoseconds);
+			current.addAndGet(time);
 		}
 	}
 	
@@ -397,11 +445,11 @@ public class CPUManager {
 	 * @param feature - feature to increment packet counter of
 	 */
 	public void packetSent(Object feature) {
-		Integer current = packetsCurrent.get(feature);
+		AtomicInteger current = packetsCurrent.get(feature);
 		if (current == null) {
-			packetsCurrent.put(feature, 1);
+			packetsCurrent.put(feature, new AtomicInteger(1));
 		} else {
-			packetsCurrent.put(feature, current + 1);
+			current.addAndGet(1);
 		}
 	}
 }

shared/src/main/java/me/neznamy/tab/shared/cpu/TabFeature.java

@@ -28,6 +28,7 @@ public enum TabFeature {
 	PACKET_SERIALIZING("Packet serializing"),
 	TABLIST_LAYOUT("Tablist layout"),
 	PLUGIN_MESSAGE_HANDLING("Plugin message handling"),
+	PING_SPOOF("Ping spoof"),
 	OTHER("Other");
 
 	//user-friendly name to be used in /tab cpu

shared/src/main/java/me/neznamy/tab/shared/cpu/UsageType.java

@@ -12,7 +12,6 @@ public enum UsageType {
 	WORLD_SWITCH_EVENT("PlayerChangedWorldEvent"),
 	PLAYER_TOGGLE_SNEAK_EVENT("PlayerToggleSneakEvent"),
 	PLAYER_MOVE_EVENT("PlayerMoveEvent"),
-	PLAYER_TELEPORT_EVENT("PlayerTeleportEvent"),
 	PLAYER_RESPAWN_EVENT("PlayerRespawnEvent"),
 	COMMAND_PREPROCESS("PlayerCommandPreprocessEvent"),
 	PLUGIN_MESSAGE_EVENT("PluginMessageEvent"),
@@ -28,11 +27,12 @@ public enum UsageType {
 	PACKET_LOGIN("PacketLogin"),
 	PACKET_DISPLAY_OBJECTIVE("PacketPlayOutScoreboardDisplayObjective"),
 	PACKET_OBJECTIVE("PacketPlayOutScoreboardObjective"),
-	PACKET_HEADER_FOOTER("PacketPlayOutPlayerListHeaderFooter"),
+	PACKET_NAMED_ENTITY_SPAWN("PacketPlayOutNamedEntitySpawn"),
+	PACKET_ENTITY_DESTROY("PacketPlayOutEntityDestroy"),
 	
 	//nametags
 	REFRESHING_COLLISION("Refreshing collision rule"),
-	REFRESHING_NAMETAG_VISIBILITY("Refreshing nametag visibility"),
+	REFRESHING_NAMETAG_VISIBILITY_AND_COLLISION("Refreshing nametag visibility and collision"),
 	REFRESHING_TEAM_NAME("Refreshing team name"),
 	
 	//bossbar
@@ -41,7 +41,7 @@ public enum UsageType {
 	//other
 	REFRESHING("Refreshing"),
 	REPEATING_TASK("Repeating task"),
-	TICKING_UNLIMITED_NAMETAGS("Ticking unlimited nametag mode"),
+	TICKING_VEHICLES("Ticking vehicles"),
 	v1_8_0_BUG_COMPENSATION("Compensating for 1.8.0 bugs");
 	
 	//user-friendly name to be used in /tab cpu

shared/src/main/java/me/neznamy/tab/shared/features/AlignedSuffix.java

@@ -4,14 +4,11 @@ import java.io.BufferedReader;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.Map;
 
 import me.neznamy.tab.api.TabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.cpu.TabFeature;
-import me.neznamy.tab.shared.features.types.Loadable;
-import me.neznamy.tab.shared.features.types.event.JoinEventListener;
 import me.neznamy.tab.shared.features.types.event.QuitEventListener;
 import me.neznamy.tab.shared.features.types.event.WorldChangeListener;
 import me.neznamy.tab.shared.packets.IChatBaseComponent;
@@ -19,7 +16,7 @@ import me.neznamy.tab.shared.packets.IChatBaseComponent;
 /**
  * Additional code for Playerlist class to secure alignment
  */
-public class AlignedSuffix implements Loadable, JoinEventListener, QuitEventListener, WorldChangeListener{
+public class AlignedSuffix implements QuitEventListener, WorldChangeListener {
 
 	private TAB tab;
 	private int maxWidth;
@@ -31,39 +28,28 @@ public class AlignedSuffix implements Loadable, JoinEventListener, QuitEventList
 		this.tab = tab;
 		this.playerlist = playerlist;
 		loadWidthsFromFile();
-		boolean save = false;
-		Map<Integer, Integer> extraWidths = tab.getConfiguration().premiumconfig.getConfigurationSection("extra-character-widths");
-		for (Integer entry : new HashSet<>(extraWidths.keySet())) {
-			char c = (char)(int)entry;
-			int width = (int)extraWidths.get(entry);
-			if (widths.containsKey(c)) {
-				extraWidths.remove((int)c);
-				tab.print('2', "Deleting character width of " + (int)c + " from extra-character-widths because it already exists inside the plugin.");
-				save = true;
-			} else {
-				widths.put(c, (byte)width);
-			}
-		}
-		if (save) tab.getConfiguration().premiumconfig.save();
-		tab.debug("Loaded " + widths.size() + " character widths.");
 	}
+	
+	/**
+	 * Loads all predefined widths from included widths.txt file
+	 */
 	private void loadWidthsFromFile() {
 		try {
 			InputStream input = getClass().getClassLoader().getResourceAsStream("widths.txt");
 			BufferedReader br = new BufferedReader(new InputStreamReader(input));
 			String line;
+			int characterId = 1;
 			while ((line = br.readLine()) != null) {
-				if (line.isEmpty()) continue;
-				String[] arr = line.split(":");
-				widths.put((char)Integer.parseInt(arr[0]), (byte)Integer.parseInt(arr[1]));
+				widths.put((char)characterId++, (byte)Float.parseFloat(line));
 			}
 			br.close();
 		} catch (Exception ex) {
 			tab.getErrorManager().criticalError("Failed to read character widths from file", ex);
 		}
 	}
-	public String formatNameAndUpdateLeader(TabPlayer player, String prefixAndName, String suffix) {
-		int playerNameWidth = getTextWidth(IChatBaseComponent.fromColoredText(prefixAndName + suffix));
+	
+	public String formatNameAndUpdateLeader(TabPlayer player, TabPlayer viewer) {
+		int playerNameWidth = getTextWidth(IChatBaseComponent.fromColoredText(player.getProperty("tabprefix").getFormat(null) + player.getProperty("customtabname").getFormat(null) + player.getProperty("tabsuffix").getFormat(null)));
 		if (player == maxPlayer && playerNameWidth < maxWidth) {
 			maxWidth = playerNameWidth;
 			for (TabPlayer all : tab.getPlayers()) {
@@ -79,7 +65,7 @@ public class AlignedSuffix implements Loadable, JoinEventListener, QuitEventList
 			maxPlayer = player;
 			updateAllNames(player);
 		}
-		return formatName(prefixAndName, suffix);
+		return formatName(player.getProperty("tabprefix").getFormat(viewer) + player.getProperty("customtabname").getFormat(viewer), player.getProperty("tabsuffix").getFormat(viewer));
 	}
 	
 	public String formatName(String prefixAndName, String suffix) {
@@ -94,101 +80,74 @@ public class AlignedSuffix implements Loadable, JoinEventListener, QuitEventList
 		newFormat += tab.getPlaceholderManager().getLastColors(prefixAndName) + suffix;
 		return newFormat;
 	}
+	
+	/**
+	 * Returns text width of characters in given component
+	 * @param component - component to get width of
+	 * @return text width of characters in given component
+	 */
 	private int getTextWidth(IChatBaseComponent component) {
 		int width = 0;
 		if (component.getText() != null) {
 			for (Character c : component.getText().toCharArray()) {
-				if (widths.containsKey(c)) {
-					int localWidth = widths.get(c);
-					if (component.isBold()) {
-						width += localWidth+1;
-					} else {
-						width += localWidth;
-					}
+				if (component.isBold()) {
+					width += widths.get(c)+2;
 				} else {
-					tab.getErrorManager().oneTimeConsoleError("Unknown character " + c + " (" + ((int)c) + ") found when aligning tabsuffix. Configure it using /tab width <character|ID>.");
+					width += widths.get(c)+1;
 				}
 			}
-			//there is 1 pixel space between characters, but not after last one
-			width += component.getText().length()-1;
 		}
-
-		if (component.getExtra() != null) {
-			for (IChatBaseComponent extra : component.getExtra()) {
-				int extraWidth = getTextWidth(extra);
-				//ignoring empty components
-				if (extraWidth > 0) {
-					width += extraWidth + 1; //1 pixel space between characters
-				}
-			}
+		for (IChatBaseComponent extra : component.getExtra()) {
+			width += getTextWidth(extra);
 		}
 		return width;
 	}
+	
+	/**
+	 * Returns width of player's tablist name format
+	 * @param p - player to get width for
+	 * @return width of player's tablist name format
+	 */
 	private int getPlayerNameWidth(TabPlayer p) {
-		String format = p.getProperty("tabprefix").get() + p.getProperty("customtabname").get() + p.getProperty("tabsuffix").get();
+		String format = p.getProperty("tabprefix").getFormat(null) + p.getProperty("customtabname").getFormat(null) + p.getProperty("tabsuffix").getFormat(null);
 		return getTextWidth(IChatBaseComponent.fromColoredText(format));
 	}
 	
 	/**
 	 * Returns a combination of normal and bold spaces to build exactly the requested amount of pixels.
 	 * Must be at least 12 as lower numbers cannot always be built using numbers 4 (normal space + 1 pixel) and 5 (bold space + 1 pixel)
-	 * Returns the result string with normal then bold spaces, such as "   &l   "
+	 * Returns the result string with normal then bold spaces, such as "   &l   &r"
 	 * @param pixelWidth - amount of pixels to be built
-	 * @return string consisting of spaces and &l &r (if needed)
+	 * @return string consisting of spaces and &l &r
+	 * @throws IllegalArgumentException if pixelWidth is < 12
 	 */
 	private String buildSpaces(int pixelWidth) {
 		if (pixelWidth < 12) throw new IllegalArgumentException("Cannot build space lower than 12 pixels wide");
 		int pixelsLeft = pixelWidth;
-		int boldSpaces = 0;
-		int normalSpaces = 0;
-		while (pixelsLeft % 4 != 0) {
-			pixelsLeft -= 5;
-			boldSpaces++;
-		}
-		while (pixelsLeft > 0) {
+		StringBuilder output = new StringBuilder();
+		while (pixelsLeft % 5 != 0) {
 			pixelsLeft -= 4;
-			normalSpaces++;
+			output.append(" ");
 		}
-		String output = "";
-		for (int i=0; i<normalSpaces; i++) {
-			output += " ";
-		}
-		if (boldSpaces > 0) {
-			output += "&l";
-			for (int i=0; i<boldSpaces; i++) {
-				output += " ";
-			}
-			output += "&r";
-		}
-		return tab.getPlaceholderManager().color(output);
-	}
-
-	@Override
-	public void load() {
-		recalculateMaxWidth(null);
-	}
-	@Override
-	public void unload() {
-		//nothing to do here, Playerlist feature handles unloading
-	}
-	@Override
-	public void onJoin(TabPlayer p) {
-		int width = getPlayerNameWidth(p);
-		if (width > maxWidth) {
-			maxWidth = width;
-			maxPlayer = p;
-			updateAllNames(null);
+		output.append("\u00a7l");
+		while (pixelsLeft > 0) {
+			pixelsLeft -= 5;
+			output.append(" ");
 		}
+		output.append("\u00a7r");
+		return output.toString();
 	}
+	
 	@Override
 	public void onQuit(TabPlayer p) {
-		if (maxPlayer == p && recalculateMaxWidth(p)) {
-			updateAllNames(null);
+		if (recalculateMaxWidth(p)) {
+			updateAllNames(p);
 		}
 	}
+	
 	@Override
 	public void onWorldChange(TabPlayer p, String from, String to) {
-		if (maxPlayer == p && recalculateMaxWidth(null)) {
+		if (recalculateMaxWidth(null)) {
 			updateAllNames(null);
 		}
 	}

shared/src/main/java/me/neznamy/tab/shared/features/BelowName.java

@@ -42,6 +42,7 @@ public class BelowName implements Loadable, JoinEventListener, WorldChangeListen
 		rawText = tab.getConfiguration().config.getString("classic-vanilla-belowname.text", "Health");
 		disabledWorlds = tab.getConfiguration().config.getStringList("disable-features-in-"+tab.getPlatform().getSeparatorType()+"s.belowname", Arrays.asList("disabled" + tab.getPlatform().getSeparatorType()));
 		refreshUsedPlaceholders();
+		tab.debug(String.format("Loaded BelowName feature with parameters number=%s, text=%s, disabledWorlds=%s", rawNumber, rawText, disabledWorlds));
 		tab.getFeatureManager().registerFeature("belowname-text", new Refreshable() {
 
 			private List<String> usedPlaceholders;
@@ -122,7 +123,7 @@ public class BelowName implements Loadable, JoinEventListener, WorldChangeListen
 	}
 
 	private int getValue(TabPlayer p) {
-		return tab.getErrorManager().parseInteger(p.getProperty(numberPropertyName).updateAndGet(), 0, "belowname");
+		return tab.getErrorManager().parseInteger(p.getProperty(numberPropertyName).updateAndGet(), 0, "belowname number");
 	}
 
 	@Override

shared/src/main/java/me/neznamy/tab/shared/features/GhostPlayerFix.java

@@ -14,12 +14,17 @@ import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo.PlayerInfoData;
  */
 public class GhostPlayerFix implements QuitEventListener {
 
+	public GhostPlayerFix() {
+		TAB.getInstance().debug("Loaded GhostPlayerFix feature");
+	}
+	
 	@Override
 	public void onQuit(TabPlayer disconnectedPlayer) {
-		TAB.getInstance().getCPUManager().runTaskLater(200, "removing players", getFeatureType(), UsageType.PLAYER_QUIT_EVENT, new Runnable() {
+		TAB.getInstance().getCPUManager().runTaskLater(500, "removing players", getFeatureType(), UsageType.PLAYER_QUIT_EVENT, new Runnable() {
 
 			@Override
 			public void run() {
+				if (TAB.getInstance().getPlayer(disconnectedPlayer.getName()) != null) return; //player reconnected meanwhile, not removing then
 				for (TabPlayer all : TAB.getInstance().getPlayers()) {
 					if (all == disconnectedPlayer) continue;
 					all.sendCustomPacket(new PacketPlayOutPlayerInfo(EnumPlayerInfoAction.REMOVE_PLAYER, new PlayerInfoData(disconnectedPlayer.getUniqueId())), getFeatureType());

shared/src/main/java/me/neznamy/tab/shared/features/GlobalPlayerlist.java

@@ -1,5 +1,6 @@
 package me.neznamy.tab.shared.features;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -26,12 +27,14 @@ import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo.PlayerInfoData;
 public class GlobalPlayerlist implements Loadable, JoinEventListener, QuitEventListener, WorldChangeListener, PlayerInfoPacketListener{
 
 	private TAB tab;
-	public final String PREMIUMVANISH_SEE_VANISHED_PERMISSION = "pv.see";
+	
 	private List<String> spyServers;
 	private Map<String, List<String>> sharedServers;
 	private boolean displayAsSpectators;
 	public boolean vanishedAsSpectators;
 	private boolean isolateUnlistedServers;
+	
+	private List<TabPlayer> vanishedPlayers = new ArrayList<TabPlayer>();
 
 	public GlobalPlayerlist(TAB tab) {
 		this.tab = tab;
@@ -50,11 +53,40 @@ public class GlobalPlayerlist implements Loadable, JoinEventListener, QuitEventL
 				if (shouldSee(viewer, displayed)) viewer.sendCustomPacket(getAddPacket(displayed, viewer), getFeatureType());
 			}
 		}
+		tab.debug(String.format("Loaded GlobalPlayerlist feature with parameters spyServers=%s, sharedServers=%s, displayAsSpectators=%s, vanishedAsSpectators=%s, isolateUnlistedServers=%s",
+				spyServers, sharedServers, displayAsSpectators, vanishedAsSpectators, isolateUnlistedServers));
+		startTask();
+	}
+	
+	private void startTask() {
+		tab.getCPUManager().startRepeatingMeasuredTask(500, "refreshing vanished players", getFeatureType(), UsageType.REPEATING_TASK, () -> {
+			
+			for (TabPlayer p : tab.getPlayers()) {
+				if (vanishedPlayers.contains(p) && !p.isVanished()) {
+					vanishedPlayers.remove(p);
+					for (TabPlayer viewer : tab.getPlayers()) {
+						if (viewer == p) continue;
+						if (shouldSee(viewer, p)) {
+							viewer.sendCustomPacket(getAddPacket(p, viewer), getFeatureType());
+						}
+					}
+				}
+				if (!vanishedPlayers.contains(p) && p.isVanished()) {
+					vanishedPlayers.add(p);
+					for (TabPlayer all : tab.getPlayers()) {
+						if (all == p) continue;
+						if (!shouldSee(all, p)) {
+							all.sendCustomPacket(getRemovePacket(p), getFeatureType());
+						}
+					}
+				}
+			}
+		});
 	}
 	
 	public boolean shouldSee(TabPlayer viewer, TabPlayer displayed) {
 		if (displayed == viewer) return true;
-		if (displayed.isVanished() && !viewer.hasPermission(PREMIUMVANISH_SEE_VANISHED_PERMISSION)) return false;
+		if (displayed.isVanished() && !viewer.hasPermission("tab.seevanished")) return false;
 		if (spyServers.contains(viewer.getWorldName())) return true;
 		return getServerGroup(viewer.getWorldName()).equals(getServerGroup(displayed.getWorldName()));
 	}

shared/src/main/java/me/neznamy/tab/shared/features/GroupRefresher.java

@@ -1,9 +1,11 @@
 package me.neznamy.tab.shared.features;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
 import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.shared.ITabPlayer;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.cpu.TabFeature;
 import me.neznamy.tab.shared.cpu.UsageType;
@@ -23,13 +25,16 @@ public class GroupRefresher implements Feature {
 		this.tab = tab;
 		usePrimaryGroup = tab.getConfiguration().config.getBoolean("use-primary-group", true);
 		groupsByPermissions = tab.getConfiguration().config.getBoolean("assign-groups-by-permissions", false);
-		primaryGroupFindingList = tab.getConfiguration().config.getStringList("primary-group-finding-list", Arrays.asList("Owner", "Admin", "Helper", "default"));
+		primaryGroupFindingList = new ArrayList<String>();
+		for (Object group : tab.getConfiguration().config.getStringList("primary-group-finding-list", Arrays.asList("Owner", "Admin", "Helper", "default"))){
+			primaryGroupFindingList.add(group.toString());
+		}
 		tab.getCPUManager().startRepeatingMeasuredTask(1000, "refreshing permission groups", getFeatureType(), UsageType.REPEATING_TASK, new Runnable() {
 
 			@Override
 			public void run() {
 				for (TabPlayer p : tab.getPlayers()) {
-					p.setGroup(detectPermissionGroup(p), true); 
+					((ITabPlayer) p).setGroup(detectPermissionGroup(p), true); 
 				}
 			}
 		});
@@ -57,9 +62,9 @@ public class GroupRefresher implements Feature {
 		try {
 			String[] playerGroups = tab.getPermissionPlugin().getAllGroups(p);
 			if (playerGroups != null && playerGroups.length > 0) {
-				for (Object groupFromList : primaryGroupFindingList) {
+				for (String groupFromList : primaryGroupFindingList) {
 					for (String playerGroup : playerGroups) {
-						if (playerGroup.equalsIgnoreCase(groupFromList + "")) {
+						if (playerGroup.equalsIgnoreCase(groupFromList)) {
 							return playerGroup;
 						}
 					}

shared/src/main/java/me/neznamy/tab/shared/features/HeaderFooter.java

@@ -11,14 +11,13 @@ import me.neznamy.tab.shared.features.types.Loadable;
 import me.neznamy.tab.shared.features.types.Refreshable;
 import me.neznamy.tab.shared.features.types.event.JoinEventListener;
 import me.neznamy.tab.shared.features.types.event.WorldChangeListener;
-import me.neznamy.tab.shared.features.types.packet.HeaderFooterPacketListener;
 import me.neznamy.tab.shared.packets.IChatBaseComponent;
 import me.neznamy.tab.shared.packets.PacketPlayOutPlayerListHeaderFooter;
 
 /**
  * Feature handler for header and footer
  */
-public class HeaderFooter implements Loadable, JoinEventListener, WorldChangeListener, Refreshable, HeaderFooterPacketListener {
+public class HeaderFooter implements Loadable, JoinEventListener, WorldChangeListener, Refreshable {
 
 	private TAB tab;
 	private List<String> usedPlaceholders;
@@ -28,6 +27,7 @@ public class HeaderFooter implements Loadable, JoinEventListener, WorldChangeLis
 		this.tab = tab;
 		disabledWorlds = tab.getConfiguration().config.getStringList("disable-features-in-"+tab.getPlatform().getSeparatorType()+"s.header-footer", Arrays.asList("disabled" + tab.getPlatform().getSeparatorType()));
 		refreshUsedPlaceholders();
+		tab.debug(String.format("Loaded HeaderFooter feature with parameters disabledWorlds=%s", disabledWorlds));
 	}
 	
 	@Override
@@ -56,7 +56,26 @@ public class HeaderFooter implements Loadable, JoinEventListener, WorldChangeLis
 		if (isDisabledWorld(disabledWorlds, p.getWorldName())) {
 			if (!isDisabledWorld(disabledWorlds, from)) p.sendCustomPacket(new PacketPlayOutPlayerListHeaderFooter("", ""), getFeatureType());
 		} else {
-			refresh(p, true);
+			boolean refresh = false;
+			String headerAppend = getValue(p, "headerappend");
+			if (headerAppend.length() > 0) headerAppend = "\n\u00a7r" + headerAppend;
+			String header = getValue(p, "header") + headerAppend;
+			if (!p.getProperty("header").getOriginalRawValue().equals(header)) {
+				p.setProperty("header", header);
+				refresh = true;
+			}
+			
+			String footerAppend = getValue(p, "footerappend");
+			if (footerAppend.length() > 0) footerAppend = "\n\u00a7r" + footerAppend;
+			String footer = getValue(p, "footer") + footerAppend;
+			if (!p.getProperty("footer").getOriginalRawValue().equals(footer)) {
+				p.setProperty("footer", footer);
+				refresh = true;
+			}
+			if (refresh) {
+				p.sendCustomPacket(new PacketPlayOutPlayerListHeaderFooter(IChatBaseComponent.optimizedComponent(p.getProperty("header").updateAndGet()), 
+						IChatBaseComponent.optimizedComponent(p.getProperty("footer").updateAndGet())), getFeatureType());
+			}
 		}
 	}
 	
@@ -72,9 +91,8 @@ public class HeaderFooter implements Loadable, JoinEventListener, WorldChangeLis
 			p.setProperty("footer", getValue(p, "footer") + footerAppend);
 		}
 		if (isDisabledWorld(disabledWorlds, p.getWorldName()) || p.getVersion().getMinorVersion() < 8) return;
-		IChatBaseComponent header = IChatBaseComponent.optimizedComponent(p.getProperty("header").updateAndGet());
-		if (header.getText() != null) header.setText("\u00a70\u00a71\u00a72\u00a7r" + header.getText());
-		p.sendCustomPacket(new PacketPlayOutPlayerListHeaderFooter(header, IChatBaseComponent.optimizedComponent(p.getProperty("footer").updateAndGet())), getFeatureType());
+		p.sendCustomPacket(new PacketPlayOutPlayerListHeaderFooter(IChatBaseComponent.optimizedComponent(p.getProperty("header").updateAndGet()), 
+				IChatBaseComponent.optimizedComponent(p.getProperty("footer").updateAndGet())), getFeatureType());
 	}
 	
 	@Override
@@ -112,14 +130,4 @@ public class HeaderFooter implements Loadable, JoinEventListener, WorldChangeLis
 	public TabFeature getFeatureType() {
 		return TabFeature.HEADER_FOOTER;
 	}
-
-	@Override
-	public boolean onPacketSend(TabPlayer packetReciver, PacketPlayOutPlayerListHeaderFooter packet) {
-		if (!isDisabledWorld(disabledWorlds, packetReciver.getWorldName()) && packet.header.getText() != null && 
-				!packet.header.getText().startsWith("\u00a70\u00a71\u00a72\u00a7r")) {
-			tab.getErrorManager().printError("Some plugin just tried to send header " + packet.header.toString() + " and footer " + packet.footer.toString(), null, false, tab.getErrorManager().antiOverrideLog);
-			return true;
-		}
-		return false;
-	}
 }

shared/src/main/java/me/neznamy/tab/shared/features/NameTag.java

@@ -1,5 +1,6 @@
 package me.neznamy.tab.shared.features;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -8,6 +9,7 @@ import java.util.Map;
 import java.util.Set;
 
 import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.shared.ITabPlayer;
 import me.neznamy.tab.shared.PacketAPI;
 import me.neznamy.tab.shared.Property;
 import me.neznamy.tab.shared.ProtocolVersion;
@@ -15,17 +17,22 @@ import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.cpu.TabFeature;
 import me.neznamy.tab.shared.cpu.UsageType;
 import me.neznamy.tab.shared.features.sorting.Sorting;
-import me.neznamy.tab.shared.features.types.Feature;
+import me.neznamy.tab.shared.features.types.Loadable;
 import me.neznamy.tab.shared.features.types.Refreshable;
+import me.neznamy.tab.shared.features.types.event.JoinEventListener;
+import me.neznamy.tab.shared.features.types.event.QuitEventListener;
+import me.neznamy.tab.shared.features.types.event.WorldChangeListener;
+import me.neznamy.tab.shared.features.types.packet.LoginPacketListener;
 import me.neznamy.tab.shared.packets.PacketPlayOutScoreboardTeam;
 
-public abstract class NameTag implements Feature, Refreshable {
+public class NameTag implements Loadable, Refreshable, LoginPacketListener, QuitEventListener, WorldChangeListener, JoinEventListener {
 
 	protected TAB tab;
-	protected List<String> usedPlaceholders;
+	protected Set<String> usedPlaceholders;
 	protected List<String> disabledWorlds;
 	private boolean collisionRule;
 	private List<String> revertedCollision;
+	private boolean invisibleNametags;
 	protected Set<String> invisiblePlayers = new HashSet<String>();
 	public Sorting sorting;
 	protected Map<TabPlayer, Boolean> collision = new HashMap<TabPlayer, Boolean>();
@@ -35,12 +42,40 @@ public abstract class NameTag implements Feature, Refreshable {
 		disabledWorlds = tab.getConfiguration().config.getStringList("disable-features-in-"+tab.getPlatform().getSeparatorType()+"s.nametag", Arrays.asList("disabled" + tab.getPlatform().getSeparatorType()));
 		collisionRule = tab.getConfiguration().config.getBoolean("enable-collision", true);
 		revertedCollision = tab.getConfiguration().config.getStringList("revert-collision-rule-in-" + tab.getPlatform().getSeparatorType()+"s", Arrays.asList("reverted" + tab.getPlatform().getSeparatorType()));
+		invisibleNametags = tab.getConfiguration().config.getBoolean("invisible-nametags", false);
 		sorting = new Sorting(tab, this);
+		usedPlaceholders = new HashSet<>(tab.getConfiguration().config.getUsedPlaceholderIdentifiersRecursive("tagprefix", "tagsuffix"));
+		for (TabPlayer p : tab.getPlayers()) {
+			usedPlaceholders.addAll(tab.getPlaceholderManager().getUsedPlaceholderIdentifiersRecursive(
+					p.getProperty("tagprefix").getCurrentRawValue(), p.getProperty("tagsuffix").getCurrentRawValue()));
+		}
+		tab.debug(String.format("Loaded NameTag feature with parameters collisionRule=%s, revertedCollision=%s, disabledWorlds=%s, invisibleNametags=%s",
+				collisionRule, revertedCollision, disabledWorlds, invisibleNametags));
 	}
-
+	
+	@Override
+	public void load(){
+		for (TabPlayer all : tab.getPlayers()) {
+			((ITabPlayer) all).setTeamName(sorting.getTeamName(all));
+			updateProperties(all);
+			collision.put(all, true);
+			if (all.hasInvisibilityPotion()) invisiblePlayers.add(all.getName());
+			if (isDisabledWorld(all.getWorldName())) continue;
+			registerTeam(all);
+		}
+		startRefreshingTasks();
+	}
+	
+	@Override
+	public void unload() {
+		for (TabPlayer p : tab.getPlayers()) {
+			if (!isDisabledWorld(p.getWorldName())) unregisterTeam(p);
+		}
+	}
+	
 	public void startRefreshingTasks() {
 		//workaround for a 1.8.x client-sided bug
-		tab.getCPUManager().startRepeatingMeasuredTask(500, "refreshing nametag visibility", TabFeature.NAMETAGS, UsageType.REFRESHING_NAMETAG_VISIBILITY, new Runnable() {
+		tab.getCPUManager().startRepeatingMeasuredTask(500, "refreshing nametag visibility", TabFeature.NAMETAGS, UsageType.REFRESHING_NAMETAG_VISIBILITY_AND_COLLISION, new Runnable() {
 			public void run() {
 				//nametag visibility
 				for (TabPlayer p : tab.getPlayers()) {
@@ -54,15 +89,8 @@ public abstract class NameTag implements Feature, Refreshable {
 						invisiblePlayers.remove(p.getName());
 						updateTeamData(p);
 					}
-				}
-				
-				//collision rule
-				if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) {
 					//cannot control collision rule on <1.9 servers in any way
-					for (TabPlayer p : tab.getPlayers()) {
-						if (!p.isLoaded() || isDisabledWorld(p.getWorldName())) continue;
-						updateCollision(p);
-					}
+					if (ProtocolVersion.SERVER_VERSION.getMinorVersion() >= 9) updateCollision(p);
 				}
 			}
 		});
@@ -78,12 +106,11 @@ public abstract class NameTag implements Feature, Refreshable {
 
 	@Override
 	public List<String> getUsedPlaceholders() {
-		return usedPlaceholders;
+		return new ArrayList<>(usedPlaceholders);
 	}
 	
-	public abstract boolean getTeamVisibility(TabPlayer p, TabPlayer viewer);
-	
 	public void unregisterTeam(TabPlayer p) {
+		if (p.hasTeamHandlingPaused()) return;
 		if (p.getTeamName() == null) return;
 		for (TabPlayer viewer : tab.getPlayers()) {
 			viewer.sendCustomPacket(new PacketPlayOutScoreboardTeam(p.getTeamName()).setTeamOptions(69), TabFeature.NAMETAGS);
@@ -91,10 +118,12 @@ public abstract class NameTag implements Feature, Refreshable {
 	}
 
 	public void unregisterTeam(TabPlayer p, TabPlayer viewer) {
+		if (p.hasTeamHandlingPaused()) return;
 		viewer.sendCustomPacket(new PacketPlayOutScoreboardTeam(p.getTeamName()).setTeamOptions(69), TabFeature.NAMETAGS);
 	}
 
 	public void registerTeam(TabPlayer p) {
+		if (p.hasTeamHandlingPaused()) return;
 		Property tagprefix = p.getProperty("tagprefix");
 		Property tagsuffix = p.getProperty("tagsuffix");
 		for (TabPlayer viewer : tab.getPlayers()) {
@@ -105,6 +134,7 @@ public abstract class NameTag implements Feature, Refreshable {
 	}
 
 	public void registerTeam(TabPlayer p, TabPlayer viewer) {
+		if (p.hasTeamHandlingPaused()) return;
 		Property tagprefix = p.getProperty("tagprefix");
 		Property tagsuffix = p.getProperty("tagsuffix");
 		String replacedPrefix = tagprefix.getFormat(viewer);
@@ -119,7 +149,7 @@ public abstract class NameTag implements Feature, Refreshable {
 			updateTeamData(p);
 		} else {
 			unregisterTeam(p);
-			p.setTeamName(newName);
+			((ITabPlayer) p).setTeamName(newName);
 			registerTeam(p);
 		}
 	}
@@ -167,4 +197,90 @@ public abstract class NameTag implements Feature, Refreshable {
 		}
 		return collision.get(p);
 	}
+	
+
+	@Override
+	public void onLoginPacket(TabPlayer packetReceiver) {
+		for (TabPlayer all : tab.getPlayers()) {
+			if (!all.isLoaded()) continue;
+			if (!isDisabledWorld(all.getWorldName())) registerTeam(all, packetReceiver);
+		}
+	}
+	
+	@Override
+	public void refresh(TabPlayer refreshed, boolean force) {
+		if (isDisabledWorld(refreshed.getWorldName())) return;
+		boolean refresh;
+		if (force) {
+			updateProperties(refreshed);
+			refresh = true;
+		} else {
+			boolean prefix = refreshed.getProperty("tagprefix").update();
+			boolean suffix = refreshed.getProperty("tagsuffix").update();
+			refresh = prefix || suffix;
+		}
+
+		if (refresh) updateTeam(refreshed);
+	}
+
+	@Override
+	public void onJoin(TabPlayer connectedPlayer) {
+		((ITabPlayer) connectedPlayer).setTeamName(sorting.getTeamName(connectedPlayer));
+		updateProperties(connectedPlayer);
+		collision.put(connectedPlayer, true);
+		for (TabPlayer all : tab.getPlayers()) {
+			if (!all.isLoaded()) continue; //avoiding NPE when 2 players join at once
+			if (all == connectedPlayer) continue; //already registered 3 lines above
+			if (!isDisabledWorld(all.getWorldName())) registerTeam(all, connectedPlayer);
+		}
+		if (isDisabledWorld(connectedPlayer.getWorldName())) return;
+		registerTeam(connectedPlayer);
+	}
+	
+	@Override
+	public void onQuit(TabPlayer disconnectedPlayer) {
+		if (!isDisabledWorld(disconnectedPlayer.getWorldName())) unregisterTeam(disconnectedPlayer);
+		invisiblePlayers.remove(disconnectedPlayer.getName());
+		collision.remove(disconnectedPlayer);
+		for (TabPlayer all : tab.getPlayers()) {
+			if (all == disconnectedPlayer) continue;
+			all.showNametag(disconnectedPlayer.getUniqueId()); //clearing memory from API method
+		}
+	}
+
+	@Override
+	public void onWorldChange(TabPlayer p, String from, String to) {
+		updateProperties(p);
+		if (isDisabledWorld(to) && !isDisabledWorld(from)) {
+			unregisterTeam(p);
+		} else if (!isDisabledWorld(to) && isDisabledWorld(from)) {
+			registerTeam(p);
+		} else {
+			updateTeam(p);
+		}
+	}
+
+	@Override
+	public void refreshUsedPlaceholders() {
+		usedPlaceholders = new HashSet<>(tab.getConfiguration().config.getUsedPlaceholderIdentifiersRecursive("tagprefix", "tagsuffix"));
+		for (TabPlayer p : tab.getPlayers()) {
+			usedPlaceholders.addAll(tab.getPlaceholderManager().getUsedPlaceholderIdentifiersRecursive(
+					p.getProperty("tagprefix").getCurrentRawValue(), p.getProperty("tagsuffix").getCurrentRawValue()));
+		}
+	}
+
+	public void updateProperties(TabPlayer p) {
+		p.loadPropertyFromConfig("tagprefix");
+		p.loadPropertyFromConfig("tagsuffix");
+	}
+	
+	public boolean getTeamVisibility(TabPlayer p, TabPlayer viewer) {
+		return !p.hasHiddenNametag() && !p.hasHiddenNametag(viewer.getUniqueId()) && 
+			!invisibleNametags && !invisiblePlayers.contains(p.getName());
+	}
+	
+	@Override
+	public TabFeature getFeatureType() {
+		return TabFeature.NAMETAGS;
+	}
 }

shared/src/main/java/me/neznamy/tab/shared/features/PingSpoof.java

@@ -0,0 +1,63 @@
+package me.neznamy.tab.shared.features;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import me.neznamy.tab.api.TabPlayer;
+import me.neznamy.tab.shared.TAB;
+import me.neznamy.tab.shared.cpu.TabFeature;
+import me.neznamy.tab.shared.features.types.Loadable;
+import me.neznamy.tab.shared.features.types.packet.PlayerInfoPacketListener;
+import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo;
+import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo.EnumPlayerInfoAction;
+import me.neznamy.tab.shared.packets.PacketPlayOutPlayerInfo.PlayerInfoData;
+
+/**
+ * Sets ping of all players in the packet to configured value to prevent hacked clients from seeing exact ping value of each player
+ */
+public class PingSpoof implements PlayerInfoPacketListener, Loadable {
+
+	//fake ping value
+	private int value;
+	
+	/**
+	 * Constructs new instance and loads config options
+	 */
+	public PingSpoof() {
+		value = TAB.getInstance().getConfiguration().config.getInt("ping-spoof.value", 0);
+		TAB.getInstance().debug(String.format("Loaded PingSpoof feature with parameters value=%s", value));
+	}
+	
+	@Override
+	public void onPacketSend(TabPlayer receiver, PacketPlayOutPlayerInfo info) {
+		if (info.action != EnumPlayerInfoAction.UPDATE_LATENCY && info.action != EnumPlayerInfoAction.ADD_PLAYER) return;
+		for (PlayerInfoData playerInfoData : info.entries) {
+			playerInfoData.latency = value;
+		}
+	}
+
+	@Override
+	public TabFeature getFeatureType() {
+		return TabFeature.PING_SPOOF;
+	}
+
+	@Override
+	public void load() {
+		updateAll(false);
+	}
+
+	@Override
+	public void unload() {
+		updateAll(true);
+	}
+	
+	private void updateAll(boolean realPing) {
+		List<PlayerInfoData> list = new ArrayList<PlayerInfoData>();
+		for (TabPlayer p : TAB.getInstance().getPlayers()) {
+			list.add(new PlayerInfoData(p.getUniqueId(), realPing ? (int) p.getPing() : 0));
+		}
+		for (TabPlayer p : TAB.getInstance().getPlayers()) {
+			p.sendCustomPacket(new PacketPlayOutPlayerInfo(EnumPlayerInfoAction.UPDATE_LATENCY, list), getFeatureType());
+		}
+	}
+}