Add AFK broadcasts for main worlds

src/main/java/de/codecrafter/smartAfk/utils/AfkConfig.java

@@ -5,6 +5,11 @@
 
 package de.codecrafter.smartAfk.utils;
 
+import java.util.HashSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.Set;
+
 import org.bukkit.configuration.file.FileConfiguration;
 
 import de.codecrafter.smartAfk.AFKOG;
@@ -25,6 +30,10 @@ public class AfkConfig {
 	private double autoclickCvThreshold;
 	private int autoclickMaxSameTarget;
 	private int ncpFlagWindowSeconds;
+	// lowercased world names where going AFK is broadcast to everyone.
+	private Set<String> afkBroadcastWorlds;
+	private String afkBroadcastMessage;
+	private String afkBroadcastReturnMessage;
 
 	/**
 	 * Creates an instance of {@code TimerConfig} class.
@@ -80,6 +89,21 @@ public class AfkConfig {
 		this.autoclickMaxSameTarget = Math.max(2, config.getInt("autoclick-max-same-target", 6));
 		this.ncpFlagWindowSeconds = Math.max(0, config.getInt("nocheatplus-flag-window-seconds", 2));
 
+		final Set<String> worlds = new HashSet<>();
+		final List<String> configured = config.getStringList("afk-broadcast-worlds");
+		for (final String world : configured) {
+
+			if (world != null && !world.isBlank()) {
+
+				worlds.add(world.toLowerCase(Locale.ROOT));
+
+			}
+
+		}
+		this.afkBroadcastWorlds = worlds;
+		this.afkBroadcastMessage = config.getString("afk-broadcast-message", "&e%player% &7is now AFK.");
+		this.afkBroadcastReturnMessage = config.getString("afk-broadcast-return-message", "&e%player% &7is no longer AFK.");
+
 	}
 
 	public int getAfkTimeoutSeconds() {
@@ -148,4 +172,28 @@ public class AfkConfig {
 
 	}
 
+	/**
+	 * Returns true when going AFK in the given world should be broadcast to
+	 * everyone. World names are matched case-insensitively.
+	 *
+	 * @param worldName The name of the world the player is in.
+	 */
+	public boolean isBroadcastWorld(String worldName) {
+
+		return worldName != null && afkBroadcastWorlds.contains(worldName.toLowerCase(Locale.ROOT));
+
+	}
+
+	public String getAfkBroadcastMessage() {
+
+		return afkBroadcastMessage;
+
+	}
+
+	public String getAfkBroadcastReturnMessage() {
+
+		return afkBroadcastReturnMessage;
+
+	}
+
 }

src/main/java/de/codecrafter/smartAfk/utils/AfkManager.java

@@ -78,6 +78,14 @@ public class AfkManager {
 
 		player.sendMessage(legacy(AFKOG.getPrefix() + "&cYou are now AFK."));
 
+		final AfkConfig config = AFKOG.getPlugin().getAfkConfig();
+		if (config.isBroadcastWorld(player.getWorld().getName())) {
+
+			final String message = config.getAfkBroadcastMessage().replace("%player%", player.getName());
+			AFKOG.getPlugin().getServer().broadcast(legacy(AFKOG.getPrefix() + message));
+
+		}
+
 		clearMobTargets(player);
 
 	}
@@ -103,6 +111,14 @@ public class AfkManager {
 
 		player.sendMessage(legacy(AFKOG.getPrefix() + "&aYou are no longer AFK."));
 
+		final AfkConfig config = AFKOG.getPlugin().getAfkConfig();
+		if (config.isBroadcastWorld(player.getWorld().getName())) {
+
+			final String message = config.getAfkBroadcastReturnMessage().replace("%player%", player.getName());
+			AFKOG.getPlugin().getServer().broadcast(legacy(AFKOG.getPrefix() + message));
+
+		}
+
 	}
 
 	public boolean isAfk(Player player) {

src/main/resources/config.yml

@@ -12,6 +12,21 @@ cancel-afk-on-jump: true
 # the player cannot take damage when they are afk
 invulnerable-during-afk: true
 
+# broadcast a chat message to everyone when a player goes AFK while in one of
+# these worlds. leave the list empty to disable the broadcast entirely.
+afk-broadcast-worlds:
+  - world
+  - world_nether
+  - world_the_end
+
+# message broadcast when a player goes AFK in a whitelisted world.
+# supports legacy '&' color codes. %player% is replaced with the player name.
+afk-broadcast-message: "&e%player% &7is now AFK."
+
+# message broadcast when a player stops being AFK in a whitelisted world.
+# supports legacy '&' color codes. %player% is replaced with the player name.
+afk-broadcast-return-message: "&e%player% &7is no longer AFK."
+
 # kick players after this many seconds of true inactivity (no movement, no input).
 # set to -1 to disable.
 afk-kick-seconds: 1200