Implement Chat-OG API

src/main/java/events/Listeners.java

@@ -21,7 +21,6 @@ import org.bukkit.inventory.ItemStack;
 import com.destroystokyo.paper.event.player.PlayerAdvancementCriterionGrantEvent;
 
 import gui.SpleggShopGUI;
-import io.papermc.paper.event.player.AsyncChatEvent;
 import main.SpleggOG;
 import managers.Game;
 import net.trueog.diamondbankog.DiamondBankException.EconomyDisabledException;
@@ -476,42 +475,10 @@ public class Listeners implements Listener {
 
     }
 
-    @EventHandler
-    public void onAsyncPlayerChat(AsyncChatEvent asyncChatEvent) {
-
-        final Player sender = asyncChatEvent.getPlayer();
-        final SpleggOG splegg = SpleggOG.getPlugin();
-
-        if (!splegg.isSpleggWorld(sender.getWorld())) {
-
-            // Not in a Splegg world, don't filter.
-            return;
-
-        }
-
-        final UtilPlayer senderState = splegg.pm.getPlayer(sender);
-        final Game senderGame = senderState != null ? senderState.getGame() : null;
-        final String senderWorldName = sender.getWorld().getName();
-
-        asyncChatEvent.viewers().removeIf(viewer -> {
-
-            if (!(viewer instanceof Player recipient)) {
-
-                return false;
-
-            }
-
-            if (senderGame != null) {
-
-                final UtilPlayer recipientState = splegg.pm.getPlayer(recipient);
-                return recipientState == null || recipientState.getGame() != senderGame;
-
-            }
-
-            return !recipient.getWorld().getName().equals(senderWorldName);
-
-        });
-
-    }
+    // Chat scoping now belongs to Chat-OG, which routes per world and mirrors to
+    // the Splegg Discord
+    // channel. Filtering viewers() here never worked anyway, because Chat-OG
+    // cancels AsyncChatEvent
+    // and builds its own recipient set.
 
 }

src/main/java/events/PlayerListener.java

@@ -13,7 +13,6 @@ import org.bukkit.event.player.PlayerDropItemEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 
 import main.SpleggOG;
-import managers.GameWorldManager;
 import utils.UtilPlayer;
 import utils.Utils;
 
@@ -171,7 +170,8 @@ public class PlayerListener implements Listener {
         }
 
         String worldName = world.getName();
-        return SpleggOG.getPlugin().isSpleggWorld(worldName) || worldName.startsWith(GameWorldManager.COPY_PREFIX);
+        return SpleggOG.getPlugin().isSpleggWorld(worldName)
+                || SpleggOG.getPlugin().getGameWorldManager().isGameCopyName(worldName);
 
     }
 

src/main/java/main/SpleggOG.java

@@ -353,6 +353,14 @@ public class SpleggOG extends JavaPlugin {
 
     }
 
+    // Per-game worlds are named <prefix><gameId>-<map> so Chat-OG can link them to
+    // a Discord channel.
+    public String getGameWorldPrefix() {
+
+        return this.getConfig().getString("Worlds.GamePrefix", "SP");
+
+    }
+
     // Returns the configured MapBase directory containing cold-storage world
     // templates, or null when the feature is opt-out (empty/missing config).
     // Relative paths resolve against the server's world container (which equals

src/main/java/managers/GameWorldManager.java

@@ -12,7 +12,6 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
-import java.util.regex.Pattern;
 
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -27,18 +26,11 @@ import main.SpleggOG;
 
 // Owns the per-game world lifecycle for Splegg matches.
 // Each game is bound to a copy of its template world; the copy lives at
-// <worldContainer>/splegg-<gameId>-<templateName>/ and is deleted when the game
+// <worldContainer>/<prefix><gameId>-<templateName>/ and is deleted when the game
 // ends. The original template world remains loaded for admin editing and is
 // never modified by gameplay.
 public class GameWorldManager {
 
-    public static final String COPY_PREFIX = "splegg-";
-
-    // Per-game world names, splegg-<gameId>-<template>. Safe to purge wholesale
-    // before any game registers: every match builds its own copy from scratch.
-    private static final Pattern COPY_NAME = Pattern.compile("^" + Pattern.quote(COPY_PREFIX) + ".+$",
-            Pattern.CASE_INSENSITIVE);
-
     private final SpleggOG plugin;
 
     public GameWorldManager(SpleggOG plugin) {
@@ -47,6 +39,44 @@ public class GameWorldManager {
 
     }
 
+    // Matches <prefix><digits>-<rest>, the shape prepareWorld builds. Walks the
+    // name instead of a regex.
+    public boolean isGameCopyName(String name) {
+
+        String prefix = plugin.getGameWorldPrefix();
+        if (prefix.isEmpty() || !name.regionMatches(true, 0, prefix, 0, prefix.length()))
+            return false;
+
+        int index = prefix.length();
+        int digitStart = index;
+        while (index < name.length() && Character.isDigit(name.charAt(index)))
+            index++;
+
+        if (index == digitStart || index >= name.length() || name.charAt(index) != '-')
+            return false;
+
+        if (index + 1 >= name.length())
+            return false;
+
+        // A configured lobby or template world is the admin's, never a match copy.
+        return !isConfiguredWorld(name);
+
+    }
+
+    private boolean isConfiguredWorld(String name) {
+
+        for (String configured : plugin.getLobbyWorlds())
+            if (configured.equalsIgnoreCase(name))
+                return true;
+
+        for (String configured : plugin.getInGameWorlds())
+            if (configured.equalsIgnoreCase(name))
+                return true;
+
+        return false;
+
+    }
+
     // Removes stale per-game world directories left behind from a previous run
     // (e.g. server crash). Safe to call at plugin enable before any games register.
     // Returns how many worlds were removed.
@@ -61,7 +91,7 @@ public class GameWorldManager {
         for (File child : children) {
 
             String name = child.getName();
-            if (!COPY_NAME.matcher(name).matches())
+            if (!isGameCopyName(name))
                 continue;
 
             if (SpleggOG.isProtectedMainWorld(name)) {
@@ -307,7 +337,7 @@ public class GameWorldManager {
         // folder name and may differ in case from the configured one.
         templateName = template.getName();
 
-        String copyName = COPY_PREFIX + game.getGameId() + "-" + templateName;
+        String copyName = plugin.getGameWorldPrefix() + game.getGameId() + "-" + templateName;
         if (SpleggOG.isProtectedMainWorld(copyName)) {
 
             plugin.getLogger()

src/main/resources/config.yml

@@ -80,9 +80,14 @@ Options:
 # VoidGenerator: pin the bundled void chunk generator onto every world Splegg
 # loads or copies. A copied world folder carries no MyWorlds generator setting,
 # so without this chunks outside the built arena generate vanilla terrain.
+#
+# GamePrefix: per-game worlds are named <GamePrefix><gameId>-<map>, for example SP1-Shake_It.
+# Lobby worlds use the matching <GamePrefix><number>-hub shape, for example SP1-hub.
+# Chat-OG keys its per-game Discord channel off this prefix, so keep the two in sync.
 Worlds:
   MapBase: ''
   VoidGenerator: true
+  GamePrefix: SP
   Lobby:
     - SP1-hub
   InGame: