From 4f5d91198f2be3f5a1ea35f4208f4de5af3a3020 Mon Sep 17 00:00:00 2001 From: Aikar Date: Fri, 4 Nov 2016 01:32:53 -0400 Subject: [PATCH] Prevent Hoppers from loading chunks by double chest --- ...Chunks-from-Hoppers-and-other-things.patch | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Spigot-Server-Patches/0179-Don-t-load-Chunks-from-Hoppers-and-other-things.patch diff --git a/Spigot-Server-Patches/0179-Don-t-load-Chunks-from-Hoppers-and-other-things.patch b/Spigot-Server-Patches/0179-Don-t-load-Chunks-from-Hoppers-and-other-things.patch new file mode 100644 index 0000000000..4d4c680d7d --- /dev/null +++ b/Spigot-Server-Patches/0179-Don-t-load-Chunks-from-Hoppers-and-other-things.patch @@ -0,0 +1,36 @@ +From ee5f4518088b9d58be983ccbcd6bf6e7309ff967 Mon Sep 17 00:00:00 2001 +From: Aikar +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/BlockChest.java b/src/main/java/net/minecraft/server/BlockChest.java +index a5f2fc0..71239cd 100644 +--- a/src/main/java/net/minecraft/server/BlockChest.java ++++ b/src/main/java/net/minecraft/server/BlockChest.java +@@ -339,7 +339,13 @@ public class BlockChest extends BlockTileEntity { + while (iterator.hasNext()) { + EnumDirection enumdirection = (EnumDirection) iterator.next(); + BlockPosition blockposition1 = blockposition.shift(enumdirection); +- Block block = world.getType(blockposition1).getBlock(); ++ // Paper start - don't load chunks if the other side of the chest is in unloaded chunk ++ final IBlockData type = world.getTypeIfLoaded(blockposition1); // Paper ++ if (type == null) { ++ continue; ++ } ++ Block block = type.getBlock(); ++ // Paper end + + if (block == this) { + if (this.e(world, blockposition1)) { +-- +2.10.2 +