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33 lines
1.9 KiB
Diff
33 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 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/world/level/block/DoubleBlockCombiner.java b/src/main/java/net/minecraft/world/level/block/DoubleBlockCombiner.java
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index f920fabed523906d4dd49c76db58044954880415..af4f06f798125f8b5d79324d99c48ac83727fcda 100644
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--- a/src/main/java/net/minecraft/world/level/block/DoubleBlockCombiner.java
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+++ b/src/main/java/net/minecraft/world/level/block/DoubleBlockCombiner.java
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@@ -25,7 +25,12 @@ public class DoubleBlockCombiner {
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return new DoubleBlockCombiner.NeighborCombineResult.Single<>(blockEntity);
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} else {
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BlockPos blockPos = pos.relative(function.apply(state));
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- BlockState blockState = world.getBlockState(blockPos);
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+ // Paper start
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+ BlockState blockState = world.getBlockStateIfLoaded(blockPos);
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+ if (blockState == null) {
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+ return new DoubleBlockCombiner.NeighborCombineResult.Single<>(blockEntity);
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+ }
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+ // Paper end
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if (blockState.is(state.getBlock())) {
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DoubleBlockCombiner.BlockType blockType2 = typeMapper.apply(blockState);
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if (blockType2 != DoubleBlockCombiner.BlockType.SINGLE && blockType != blockType2 && blockState.getValue(directionProperty) == state.getValue(directionProperty)) {
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