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43 lines
2.5 KiB
Diff
43 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Legitimoose <legitimoose@gmail.com>
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Date: Wed, 28 Sep 2022 22:45:49 -0700
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Subject: [PATCH] fix Jigsaw block kicking user
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/JigsawBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/JigsawBlockEntity.java
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index 3a80b0e9c0e12a84034aadebd0ff6f6b51d0d2ea..922592f2073eaea8ca361a3a1efcda8b18bea21c 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/JigsawBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/JigsawBlockEntity.java
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@@ -137,7 +137,12 @@ public class JigsawBlockEntity extends BlockEntity {
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public void generate(ServerLevel world, int maxDepth, boolean keepJigsaws) {
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BlockPos blockPos = this.getBlockPos().relative(this.getBlockState().getValue(JigsawBlock.ORIENTATION).front());
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Registry<StructureTemplatePool> registry = world.registryAccess().registryOrThrow(Registries.TEMPLATE_POOL);
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- Holder<StructureTemplatePool> holder = registry.getHolderOrThrow(this.pool);
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+ // Paper start - Replace getHolderOrThrow with a null check
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+ Holder<StructureTemplatePool> holder = registry.getHolder(this.pool).orElse(null);
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+ if (holder == null) {
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+ return;
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+ }
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+ // Paper end - Replace getHolderOrThrow with a null check
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JigsawPlacement.generateJigsaw(world, holder, this.target, maxDepth, blockPos, keepJigsaws);
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}
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/pools/StructureTemplatePool.java b/src/main/java/net/minecraft/world/level/levelgen/structure/pools/StructureTemplatePool.java
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index 23ac340661cf0f5940c0d6333c74a9c7b36dca26..7ba11f734bd73dde165d155a633b47dac979a8e9 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/structure/pools/StructureTemplatePool.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/pools/StructureTemplatePool.java
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@@ -97,7 +97,13 @@ public class StructureTemplatePool {
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}
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public StructurePoolElement getRandomTemplate(RandomSource random) {
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+ //Paper start - Prevent random.nextInt throwing an IllegalArgumentException
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+ if (this.templates.size() == 0) {
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+ return EmptyPoolElement.INSTANCE;
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+ } else {
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return this.templates.get(random.nextInt(this.templates.size()));
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+ }
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+ // Paper end
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}
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public List<StructurePoolElement> getShuffledTemplates(RandomSource random) {
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