Yatopia/patches/server/0036-Fix-LightEngineThreaded-memory-leak.patch

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 2f9c97dd4e1d705a87772d18c7ab4883a876af08..f3494ac1ad659352ca5595adf9e6919bdb4018d0 100644
--- a/src/main/java/net/minecraft/server/LightEngineThreaded.java
+++ b/src/main/java/net/minecraft/server/LightEngineThreaded.java
@@ -104,6 +104,8 @@ 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 ab7200f6febabce80239f88c9e1732b42ae53f1f..3d1790125f9759c79856f62b24b8ed0f48c9e7aa 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1906,6 +1906,7 @@ 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) {