use fixed MiniMessage build

- always downsample colors on old version servers which don't support sending rgb colors.

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>xyz.jpenilla</groupId>
     <artifactId>MiniMOTD</artifactId>
-    <version>1.1.6</version>
+    <version>1.2.0</version>
     <packaging>jar</packaging>
 
     <name>MiniMOTD</name>
@@ -133,9 +133,9 @@
             <version>4.0.0-SNAPSHOT</version>
         </dependency>
         <dependency>
-            <groupId>net.kyori</groupId>
+            <groupId>com.github.jmanpenilla</groupId>
             <artifactId>adventure-text-minimessage</artifactId>
-            <version>3.0.0-SNAPSHOT</version>
+            <version>2cb5077c9d</version>
         </dependency>
         <dependency>
             <groupId>com.github.DiamondDagger590</groupId>

src/main/java/xyz/jpenilla/minimotd/bungee/BungeeConfig.java

@@ -1,23 +1,37 @@
 package xyz.jpenilla.minimotd.bungee;
 
+import net.md_5.bungee.api.Favicon;
 import net.md_5.bungee.config.Configuration;
 import net.md_5.bungee.config.ConfigurationProvider;
 import net.md_5.bungee.config.YamlConfiguration;
 import xyz.jpenilla.minimotd.common.MiniMOTDConfig;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.file.Files;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
 
 public class BungeeConfig extends MiniMOTDConfig {
     private final MiniMOTD miniMOTD;
+    private final List<Favicon> icons = new ArrayList<>();
 
     public BungeeConfig(MiniMOTD miniMOTD) {
         this.miniMOTD = miniMOTD;
         reload();
     }
 
+    public Favicon getRandomIcon() {
+        if (icons.isEmpty()) {
+            return null;
+        }
+        return icons.get(ThreadLocalRandom.current().nextInt(icons.size()));
+    }
+
     public void reload() {
         final Configuration config = loadFromDisk();
 
@@ -30,6 +44,28 @@ public class BungeeConfig extends MiniMOTDConfig {
         setXValue(config.getInt(X_VALUE));
         setFakePlayersEnabled(config.getBoolean(FAKE_PLAYERS_ENABLED));
         setFakePlayers(config.getString(FAKE_PLAYERS));
+
+        final File iconFolder = new File(miniMOTD.getDataFolder() + File.separator + "icons");
+        if (!iconFolder.exists()) {
+            iconFolder.mkdir();
+        }
+        this.icons.clear();
+        final File[] icons = iconFolder.listFiles(i -> i.getName().endsWith(".png"));
+        if (icons != null) {
+            for (File icon : icons) {
+                try {
+                    BufferedImage bufferedImage = ImageIO.read(icon);
+                    if (bufferedImage.getHeight() == 64 && bufferedImage.getWidth() == 64) {
+                        this.icons.add(Favicon.create(bufferedImage));
+                    } else {
+                        miniMOTD.getLogger().info("Could not load " + icon.getName() + ": image must be 64x64px");
+                    }
+                } catch (Exception e) {
+                    miniMOTD.getLogger().info("Could not load " + icon.getName() + ": invalid image file");
+                    e.printStackTrace();
+                }
+            }
+        }
     }
 
     private Configuration loadFromDisk() {

src/main/java/xyz/jpenilla/minimotd/bungee/PingListener.java

@@ -4,6 +4,7 @@ import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import net.md_5.bungee.api.Favicon;
 import net.md_5.bungee.api.ServerPing;
 import net.md_5.bungee.api.event.ProxyPingEvent;
 import net.md_5.bungee.api.plugin.Listener;
@@ -64,6 +65,10 @@ public class PingListener implements Listener {
             }
 
             response.setPlayers(players);
+            final Favicon favicon = cfg.getRandomIcon();
+            if (favicon != null) {
+                response.setFavicon(favicon);
+            }
             e.setResponse(response);
         }
     }

src/main/java/xyz/jpenilla/minimotd/spigot/MiniMOTD.java

@@ -11,11 +11,18 @@ public final class MiniMOTD extends JavaPlugin {
     @Getter private SpigotConfig cfg;
     @Getter private PrismaHook prisma;
     @Getter private boolean isPaperServer;
+    @Getter private String serverPackageName;
+    @Getter private String serverApiVersion;
+    @Getter private int majorMinecraftVersion;
 
     @Override
     public void onEnable() {
+        serverPackageName = this.getServer().getClass().getPackage().getName();
+        serverApiVersion = serverPackageName.substring(serverPackageName.lastIndexOf('.') + 1);
+        majorMinecraftVersion = Integer.parseInt(serverApiVersion.split("_")[1]);
+
         try {
-            Class.forName("com.destroystokyo.paper.PaperConfig");
+            Class.forName("com.destroystokyo.paper.event.server.PaperServerListPingEvent");
             isPaperServer = true;
         } catch (ClassNotFoundException e) {
             isPaperServer = false;
@@ -29,10 +36,15 @@ public final class MiniMOTD extends JavaPlugin {
             getServer().getPluginManager().registerEvents(new PaperPingListener(this), this);
         } else {
             getServer().getPluginManager().registerEvents(new PingListener(this), this);
+            if (majorMinecraftVersion > 11) {
+                getLogger().info("This server is not using Paper, and therefore some features may be limited or disabled.");
+                getLogger().info("Get Paper from https://papermc.io/downloads");
+            }
         }
         final PluginCommand command = getCommand("minimotd");
         if (command != null) {
             command.setExecutor(new SpigotCommand(this));
+            command.setTabCompleter(new SpigotCommand(this));
         }
 
         Metrics metrics = new Metrics(this, 8132);

src/main/java/xyz/jpenilla/minimotd/spigot/PaperPingListener.java

@@ -6,17 +6,20 @@ import net.kyori.adventure.text.minimessage.MiniMessage;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
+import org.bukkit.util.CachedServerIcon;
 
 import java.util.concurrent.ThreadLocalRandom;
 
 public class PaperPingListener implements Listener {
     private final SpigotConfig cfg;
+    private final MiniMOTD miniMOTD;
     private final LegacyComponentSerializer serializer = LegacyComponentSerializer.builder().hexColors().useUnusualXRepeatedCharacterHexFormat().build();
     private final MiniMessage miniMessage = MiniMessage.get();
     private final LegacyComponentSerializer legacySerializer = LegacyComponentSerializer.builder().build();
 
     public PaperPingListener(MiniMOTD miniMOTD) {
         this.cfg = miniMOTD.getCfg();
+        this.miniMOTD = miniMOTD;
     }
 
     @EventHandler
@@ -47,11 +50,15 @@ public class PaperPingListener implements Listener {
 
         if (cfg.isMotdEnabled()) {
             final Component motd = miniMessage.parse(cfg.getMOTD(onlinePlayers, maxPlayers));
-            if (e.getClient().getProtocolVersion() < 735) {
+            if (e.getClient().getProtocolVersion() < 735 || miniMOTD.getMajorMinecraftVersion() < 16) {
                 e.setMotd(legacySerializer.serialize(motd));
             } else {
                 e.setMotd(serializer.serialize(motd));
             }
         }
+        final CachedServerIcon favicon = cfg.getRandomIcon();
+        if (favicon != null) {
+            e.setServerIcon(favicon);
+        }
     }
 }

src/main/java/xyz/jpenilla/minimotd/spigot/PingListener.java

@@ -5,14 +5,18 @@ import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.server.ServerListPingEvent;
+import org.bukkit.util.CachedServerIcon;
 
 public class PingListener implements Listener {
     private final SpigotConfig cfg;
+    private final MiniMOTD miniMOTD;
     private final LegacyComponentSerializer serializer = LegacyComponentSerializer.builder().hexColors().useUnusualXRepeatedCharacterHexFormat().build();
+    private final LegacyComponentSerializer legacySerializer = LegacyComponentSerializer.builder().build();
     private final MiniMessage miniMessage = MiniMessage.get();
 
     public PingListener(MiniMOTD miniMOTD) {
         this.cfg = miniMOTD.getCfg();
+        this.miniMOTD = miniMOTD;
     }
 
     @EventHandler
@@ -24,7 +28,15 @@ public class PingListener implements Listener {
         e.setMaxPlayers(maxPlayers);
 
         if (cfg.isMotdEnabled()) {
-            e.setMotd(serializer.serialize(miniMessage.parse(cfg.getMOTD(onlinePlayers, maxPlayers))));
+            if (miniMOTD.getMajorMinecraftVersion() > 15) {
+                e.setMotd(serializer.serialize(miniMessage.parse(cfg.getMOTD(onlinePlayers, maxPlayers))));
+            } else {
+                e.setMotd(legacySerializer.serialize(miniMessage.parse(cfg.getMOTD(onlinePlayers, maxPlayers))));
+            }
+        }
+        final CachedServerIcon favicon = cfg.getRandomIcon();
+        if (favicon != null) {
+            e.setServerIcon(favicon);
         }
     }
 }

src/main/java/xyz/jpenilla/minimotd/spigot/SpigotCommand.java

@@ -1,17 +1,21 @@
 package xyz.jpenilla.minimotd.spigot;
 
+import com.google.common.collect.ImmutableList;
 import lombok.NonNull;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabCompleter;
 import org.bukkit.entity.Player;
+import org.bukkit.util.StringUtil;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
-public class SpigotCommand implements CommandExecutor {
+public class SpigotCommand implements CommandExecutor, TabCompleter {
     private final MiniMOTD miniMOTD;
     private final BukkitAudiences audience;
     private final MiniMessage miniMessage;
@@ -95,4 +99,16 @@ public class SpigotCommand implements CommandExecutor {
             send(sender, message);
         }
     }
+
+    private static final List<String> COMMANDS = ImmutableList.of("about", "reload", "help");
+
+    @Override
+    public List<String> onTabComplete(CommandSender sender, Command command, String alias, String[] args) {
+        final List<String> completions = new ArrayList<>();
+        if (args.length < 2 && sender.hasPermission("minimotd.admin")) {
+            StringUtil.copyPartialMatches(args[0], COMMANDS, completions);
+            Collections.sort(completions);
+        }
+        return completions;
+    }
 }

src/main/java/xyz/jpenilla/minimotd/spigot/SpigotConfig.java

@@ -1,10 +1,20 @@
 package xyz.jpenilla.minimotd.spigot;
 
+import org.bukkit.Bukkit;
 import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.util.CachedServerIcon;
 import xyz.jpenilla.minimotd.common.MiniMOTDConfig;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
+
 public class SpigotConfig extends MiniMOTDConfig {
     private final MiniMOTD miniMOTD;
+    private final List<CachedServerIcon> icons = new ArrayList<>();
 
     public SpigotConfig(MiniMOTD miniMOTD) {
         this.miniMOTD = miniMOTD;
@@ -12,6 +22,13 @@ public class SpigotConfig extends MiniMOTDConfig {
         reload();
     }
 
+    public CachedServerIcon getRandomIcon() {
+        if (icons.isEmpty()) {
+            return null;
+        }
+        return icons.get(ThreadLocalRandom.current().nextInt(icons.size()));
+    }
+
     public void reload() {
         miniMOTD.reloadConfig();
         final FileConfiguration config = miniMOTD.getConfig();
@@ -33,5 +50,27 @@ public class SpigotConfig extends MiniMOTDConfig {
         setXValue(config.getInt(X_VALUE));
         setFakePlayersEnabled(config.getBoolean(FAKE_PLAYERS_ENABLED));
         setFakePlayers(config.getString(FAKE_PLAYERS));
+
+        final File iconFolder = new File(miniMOTD.getDataFolder() + File.separator + "icons");
+        if (!iconFolder.exists()) {
+            iconFolder.mkdir();
+        }
+        this.icons.clear();
+        final File[] icons = iconFolder.listFiles(i -> i.getName().endsWith(".png"));
+        if (icons != null) {
+            for (File icon : icons) {
+                try {
+                    BufferedImage bufferedImage = ImageIO.read(icon);
+                    if (bufferedImage.getHeight() == 64 && bufferedImage.getWidth() == 64) {
+                        this.icons.add(Bukkit.loadServerIcon(bufferedImage));
+                    } else {
+                        miniMOTD.getLogger().info("Could not load " + icon.getName() + ": image must be 64x64px");
+                    }
+                } catch (Exception e) {
+                    miniMOTD.getLogger().info("Could not load " + icon.getName() + ": invalid image file");
+                    e.printStackTrace();
+                }
+            }
+        }
     }
 }

src/main/resources/plugin.yml

@@ -3,6 +3,7 @@ version: ${project.version}
 main: xyz.jpenilla.minimotd.spigot.MiniMOTD
 softdepend: [Prisma]
 authors: [jmp]
+api-version: 1.13
 description: Set the server list MOTD using MiniMessage!
 website: https://www.spigotmc.org/resources/minimotd.81254/
 commands: