18c3716c49
This enables us a fast reference to the entities current chunk instead of having to look it up by hashmap lookups. We also store counts by type to further enable other performance optimizations in later patches.
37 lines
1.7 KiB
Diff
37 lines
1.7 KiB
Diff
From 3d7dc05a042dca4e664cbabe11769c6b80da55af Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Nov 2016 20:28:12 -0400
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Subject: [PATCH] Don't load Chunks from Hoppers and other things
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Hoppers call this to I guess "get the primary side" of a double sided chest.
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If the double sided chest crosses chunk lines, it causes the chunk to load.
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This will end up causing sync chunk loads, which will unload with Chunk GC,
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only to be reloaded again the next tick.
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This of course is undesirable, so just return the loaded side as "primary"
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and treat it as a single chest if the other sides are unloaded
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diff --git a/src/main/java/net/minecraft/server/BlockChest.java b/src/main/java/net/minecraft/server/BlockChest.java
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index bc398ec52..90267a1fb 100644
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--- a/src/main/java/net/minecraft/server/BlockChest.java
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+++ b/src/main/java/net/minecraft/server/BlockChest.java
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@@ -339,7 +339,13 @@ public class BlockChest extends BlockTileEntity {
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while (iterator.hasNext()) {
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EnumDirection enumdirection = (EnumDirection) iterator.next();
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BlockPosition blockposition1 = blockposition.shift(enumdirection);
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- Block block = world.getType(blockposition1).getBlock();
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+ // Paper start - don't load chunks if the other side of the chest is in unloaded chunk
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+ final IBlockData type = world.getTypeIfLoaded(blockposition1); // Paper
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+ if (type == null) {
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+ continue;
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+ }
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+ Block block = type.getBlock();
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+ // Paper end
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if (block == this) {
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if (this.e(world, blockposition1)) {
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--
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2.18.0
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