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/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 9af1877321356348ad96b92ae8c5f4811bef50ac..2e42e09d3fa19e5a16374ee6ac1677dd2b2004f1 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1726,9 +1726,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
     public void setDefaultSpawnPos(BlockPos pos, float angle) {
         // Paper start - Configurable Keep Spawn Loaded range per world
         BlockPos prevSpawn = this.getSharedSpawnPos();
+        Location prevSpawnLoc = this.getWorld().getSpawnLocation(); // Paper - Call SpawnChangeEvent
         //ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(new BlockPosition(this.worldData.a(), 0, this.worldData.c()));
 
         this.levelData.setSpawn(pos, angle);
+        new org.bukkit.event.world.SpawnChangeEvent(this.getWorld(), prevSpawnLoc).callEvent(); // Paper - Call SpawnChangeEvent
         if (this.keepSpawnInMemory) {
             // if this keepSpawnInMemory is false a plugin has already removed our tickets, do not re-add
             this.removeTicketsForSpawn(this.paperConfig().spawn.keepSpawnLoadedRange * 16, prevSpawn);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index b437f582c36ab9a5b06129ef1b36dd14432c0c31..afb65de5fbff44b4ca455c778030c3387c2dafc8 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -269,12 +269,14 @@ public class CraftWorld extends CraftRegionAccessor implements World {
     @Override
     public boolean setSpawnLocation(int x, int y, int z, float angle) {
         try {
-            Location previousLocation = this.getSpawnLocation();
-            this.world.levelData.setSpawn(new BlockPos(x, y, z), angle);
+            // Location previousLocation = this.getSpawnLocation(); // Paper - Call SpawnChangeEvent; moved to nms.ServerLevel
+            this.world.setDefaultSpawnPos(new BlockPos(x, y, z), angle); // Paper - use ServerLevel#setDefaultSpawnPos
 
+            // Paper start - Call SpawnChangeEvent; move to nms.ServerLevel
             // Notify anyone who's listening.
-            SpawnChangeEvent event = new SpawnChangeEvent(this, previousLocation);
-            this.server.getPluginManager().callEvent(event);
+            // SpawnChangeEvent event = new SpawnChangeEvent(this, previousLocation);
+            // server.getPluginManager().callEvent(event);
+            // Paper end - Call SpawnChangeEvent
 
             return true;
         } catch (Exception e) {