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Paper/Spigot-Server-Patches/0417-Don-t-load-Chunks-from-Hoppers-and-other-things.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

34 Zeilen
1.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Nov 2016 20:28:12 -0400
Subject: [PATCH] Don't load Chunks from Hoppers and other things
Hoppers call this to I guess "get the primary side" of a double sided chest.
If the double sided chest crosses chunk lines, it causes the chunk to load.
This will end up causing sync chunk loads, which will unload with Chunk GC,
only to be reloaded again the next tick.
This of course is undesirable, so just return the loaded side as "primary"
and treat it as a single chest if the other sides are unloaded
diff --git a/src/main/java/net/minecraft/server/DoubleBlockFinder.java b/src/main/java/net/minecraft/server/DoubleBlockFinder.java
index 3cb6e60895637405f163c1fac731926ee2cf0d2c..7a16a3e0e209b254db0ec15212d51fab71c17f60 100644
--- a/src/main/java/net/minecraft/server/DoubleBlockFinder.java
+++ b/src/main/java/net/minecraft/server/DoubleBlockFinder.java
@@ -21,8 +21,12 @@ public class DoubleBlockFinder {
return new DoubleBlockFinder.Result.Single<>(s0);
} else {
BlockPosition blockposition1 = blockposition.shift((EnumDirection) function1.apply(iblockdata));
- IBlockData iblockdata1 = generatoraccess.getType(blockposition1);
-
+ // Paper start - don't load chunks if the other side of the chest is in unloaded chunk
+ IBlockData iblockdata1 = generatoraccess.getTypeIfLoaded(blockposition1);
+ if (iblockdata1 == null) {
+ return new DoubleBlockFinder.Result.Single<>(s0);
+ }
+ // Paper end
if (iblockdata1.getBlock() == iblockdata.getBlock()) {
DoubleBlockFinder.BlockType doubleblockfinder_blocktype1 = (DoubleBlockFinder.BlockType) function.apply(iblockdata1);