PaperMC/Spigot-Server-Patches/Fix-Chunk-Unload-Queue-Issues.patch
Aikar 3d9d0a7227 Optimize Hoppers
- Lots of itemstack cloning removed. Only clone if the item is actually moved
- Return true when a plugin cancels inventory move item event instead of false, as false causes pulls to cycle through all items.
  However, pushes do not exhibit the same behavior, so this is not something plugins could of been relying on.
- Add option (Default on) to cooldown hoppers when they fail to move an item due to full inventory
- Skip subsequent InventoryMoveItemEvents if a plugin does not use the item after first event fire for an iteration
2018-01-18 01:00:51 -05:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 12 May 2016 02:03:56 -0400
Subject: [PATCH] Fix Chunk Unload Queue Issues
Vanilla implemented similar logic as Paper had pre 1.9.4, but Spigot
has not resolved all the bugs with the changes.
This patch fixes known issues and really should be applied by Spigot team.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index f1bcdef5b..a847aa079 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -0,0 +0,0 @@ public class Chunk {
private long w;
private int x;
private final ConcurrentLinkedQueue<BlockPosition> y;
- public boolean d;
+ public boolean d; public void setShouldUnload(boolean unload) { this.d = unload; } public boolean isUnloading() { return d; } // Paper - OBFHELPER
protected gnu.trove.map.hash.TObjectIntHashMap<Class> entityCount = new gnu.trove.map.hash.TObjectIntHashMap<Class>(); // Spigot
// Paper start
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 15814f665..c7af8da61 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -0,0 +0,0 @@ public class ChunkProviderServer implements IChunkProvider {
if (chunk != null && chunk.d) {
// CraftBukkit start - move unload logic to own method
+ chunk.setShouldUnload(false); // Paper
if (!unloadChunk(chunk, true)) {
continue;
}
--