Purpur/purpur-server/minecraft-patches/sources/net/minecraft/commands/Commands.java.patch

--- a/net/minecraft/commands/Commands.java
+++ b/net/minecraft/commands/Commands.java
@@ -137,6 +_,7 @@
 import net.minecraft.world.flag.FeatureFlagSet;
 import net.minecraft.world.flag.FeatureFlags;
 import net.minecraft.world.level.GameRules;
+import org.bukkit.event.player.PlayerCommandSendEvent;
 import org.slf4j.Logger;
 
 public class Commands {
@@ -245,6 +_,12 @@
             StopCommand.register(this.dispatcher);
             TransferCommand.register(this.dispatcher);
             WhitelistCommand.register(this.dispatcher);
+            org.purpurmc.purpur.command.CreditsCommand.register(this.dispatcher); // Purpur - Add credits command
+            org.purpurmc.purpur.command.DemoCommand.register(this.dispatcher); // Purpur - Add demo command
+            org.purpurmc.purpur.command.PingCommand.register(this.dispatcher); // Purpur - Add ping command
+            org.purpurmc.purpur.command.UptimeCommand.register(this.dispatcher); // Purpur - Add uptime command
+            org.purpurmc.purpur.command.TPSBarCommand.register(this.dispatcher); // Purpur - Implement TPSBar
+            org.purpurmc.purpur.command.CompassCommand.register(this.dispatcher); // Purpur - Add compass command
         }
 
         if (selection.includeIntegrated) {
@@ -488,6 +_,7 @@
     private void runSync(ServerPlayer player, java.util.Collection<String> bukkit, RootCommandNode<SharedSuggestionProvider> rootCommandNode) {
         // Paper end - Perf: Async command map building
         new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandSourceStack>(player.getBukkitEntity(), (RootCommandNode) rootCommandNode, true).callEvent(); // Paper - Brigadier API
+        if (PlayerCommandSendEvent.getHandlerList().getRegisteredListeners().length > 0) { // Purpur - Skip events if there's no listeners
         org.bukkit.event.player.PlayerCommandSendEvent event = new org.bukkit.event.player.PlayerCommandSendEvent(player.getBukkitEntity(), new java.util.LinkedHashSet<>(bukkit));
         event.getPlayer().getServer().getPluginManager().callEvent(event);
 
@@ -498,6 +_,7 @@
             }
         }
         // CraftBukkit end
+        } // Purpur - Skip events if there's no listeners
 
         player.connection.send(new ClientboundCommandsPacket(rootCommandNode));
     }