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21 lines
1.3 KiB
Diff
21 lines
1.3 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Mon, 12 Jul 2021 12:28:29 +0100
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Subject: [PATCH] Use a CHM for StructureTemplate.Pallete cache
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fixes a CME due to this collection being shared across threads
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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index ef8dd3fa4f7ac8f85ae508999264850659bf9606..ac80779956ac2f8aa83166d3d2282352ebe1901d 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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@@ -831,7 +831,7 @@ public class StructureTemplate {
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public static final class Palette {
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private final List<StructureTemplate.StructureBlockInfo> blocks;
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- private final Map<Block, List<StructureTemplate.StructureBlockInfo>> cache = Maps.newHashMap();
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+ private final Map<Block, List<StructureTemplate.StructureBlockInfo>> cache = Maps.newConcurrentMap(); // Paper
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Palette(List<StructureTemplate.StructureBlockInfo> infos) {
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this.blocks = infos;
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