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 001ac05cf26237eec8a77c476e678ff6d0840311..7b4935dd8c54f5fcb4f26b96c270d3e4102133a3 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 7fa720de5c24820d2cd7eea5f74d6c1502afe461..2734b76f58401bdddf6407db7c7c445d489ad488 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) {