From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sat, 22 Aug 2020 23:36:21 +0200
Subject: [PATCH] Fix SpawnChangeEvent not firing for all use-cases


diff --git a/src/main/java/net/minecraft/server/level/WorldServer.java b/src/main/java/net/minecraft/server/level/WorldServer.java
index 2181fbc31e96c74679185a49abbb3d7a2d5b6e9f..9f16a524b435c93edea0c8e2b4ebd5bbe63d34f8 100644
--- a/src/main/java/net/minecraft/server/level/WorldServer.java
+++ b/src/main/java/net/minecraft/server/level/WorldServer.java
@@ -1984,12 +1984,14 @@ public class WorldServer extends World implements GeneratorAccessSeed {
     }
     // Paper end
 
+    public final void setSpawn(BlockPosition blockposition, float f) { this.a(blockposition, f); } // Paper - OBFHELPER
     public void a(BlockPosition blockposition, float f) {
         // Paper - configurable spawn radius
         BlockPosition prevSpawn = this.getSpawn();
         //ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(new BlockPosition(this.worldData.a(), 0, this.worldData.c()));
 
         this.worldData.setSpawn(blockposition, f);
+        new org.bukkit.event.world.SpawnChangeEvent(getWorld(), MCUtil.toLocation(this, prevSpawn)).callEvent(); // Paper
         if (this.keepSpawnInMemory) {
             // if this keepSpawnInMemory is false a plugin has already removed our tickets, do not re-add
             this.removeTicketsForSpawn(this.paperConfig.keepLoadedRange, prevSpawn);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 5f23438b0031d57c49a8c7a7ccbd0f87a2d76875..aea493db53d6a3c98f081ba72b1b03b7e2cdd8e5 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -387,11 +387,13 @@ public class CraftWorld implements World {
     public boolean setSpawnLocation(int x, int y, int z, float angle) {
         try {
             Location previousLocation = getSpawnLocation();
-            world.worldData.setSpawn(new BlockPosition(x, y, z), angle);
+            world.setSpawn(new BlockPosition(x, y, z), angle); // Paper - use WorldServer#setSpawn
 
+            // Paper start - move to nms.World
             // Notify anyone who's listening.
-            SpawnChangeEvent event = new SpawnChangeEvent(this, previousLocation);
-            server.getPluginManager().callEvent(event);
+            // SpawnChangeEvent event = new SpawnChangeEvent(this, previousLocation);
+            // server.getPluginManager().callEvent(event);
+            // Paper end
 
             return true;
         } catch (Exception e) {