Yatopia/patches/server/0057-Purpur-Skip-events-if-there-s-no-listeners.patch

From 130c34ea9f3c6dce072b57c659ddee5fcd88aaa5 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sat, 4 Apr 2020 03:07:59 -0500
Subject: [PATCH] Purpur Skip events if there's no listeners

---
 src/main/java/net/minecraft/server/CommandDispatcher.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/net/minecraft/server/CommandDispatcher.java b/src/main/java/net/minecraft/server/CommandDispatcher.java
index 2414b0a552..d31d491381 100644
--- a/src/main/java/net/minecraft/server/CommandDispatcher.java
+++ b/src/main/java/net/minecraft/server/CommandDispatcher.java
@@ -273,6 +273,7 @@ public class CommandDispatcher {
     }
 
     private void runSync(EntityPlayer entityplayer, Collection<String> bukkit, RootCommandNode<ICompletionProvider> rootcommandnode) {
+        if (PlayerCommandSendEvent.getHandlerList().getRegisteredListeners().length > 0) { // Purpur - skip all this crap if there's nothing listening
         // Paper end - Async command map building
         PlayerCommandSendEvent event = new PlayerCommandSendEvent(entityplayer.getBukkitEntity(), new LinkedHashSet<>(bukkit));
         event.getPlayer().getServer().getPluginManager().callEvent(event);
@@ -284,6 +285,7 @@ public class CommandDispatcher {
             }
         }
         // CraftBukkit end
+        } // Purpur - skip event
         entityplayer.playerConnection.sendPacket(new PacketPlayOutCommands(rootcommandnode));
     }
 
-- 
2.25.1.windows.1