From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ivan Pekov <ivan@mrivanplays.com>
Date: Thu, 10 Sep 2020 21:02:26 +0300
Subject: [PATCH] Fix LightEngineThreaded memory leak


diff --git a/src/main/java/net/minecraft/server/LightEngineThreaded.java b/src/main/java/net/minecraft/server/LightEngineThreaded.java
index 3c4c3e43b5b947f7332f2dd6d1f1dae4be7708ab..be4193a1c1f4d7bb62d42b786f33f636863a3dfb 100644
--- a/src/main/java/net/minecraft/server/LightEngineThreaded.java
+++ b/src/main/java/net/minecraft/server/LightEngineThreaded.java
@@ -110,6 +110,8 @@ public class LightEngineThreaded extends LightEngine implements AutoCloseable {
             }
         }
 
+        public final void remove(long chunkId) { pendingTasks.removeIf(task -> task.chunkId == chunkId); queueUpdate(); } // Yatopia
+
         public final boolean isEmpty() {
             return this.size == 0 && this.pendingTasks.isEmpty();
         }
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index be58626bdd1591758317c9c81cb3a6f2aecfc099..40e87f3043da14b1265fcdadde02bef3b261a9d1 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1792,6 +1792,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
         }
         // Paper end
 
+        chunkProvider.getLightEngine().queue.remove(chunk.getPos().pair()); // Yatopia - unregister from light queue
     }
 
     public void unregisterEntity(Entity entity) {