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https://github.com/PaperMC/Paper.git
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60 lines
4.2 KiB
Diff
60 lines
4.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Pierpaolo Coletta <p.coletta@glyart.com>
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Date: Sat, 30 Mar 2024 21:06:10 +0100
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Subject: [PATCH] Fix creation of invalid block entity during world generation
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diff --git a/src/main/java/net/minecraft/server/level/WorldGenRegion.java b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
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index 2e72e92762877b28dd908711671e1dfb933de9b0..b7d29389a357f142237cecd75f8ca91cf1eb6b5b 100644
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--- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java
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+++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
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@@ -324,7 +324,7 @@ public class WorldGenRegion implements WorldGenLevel {
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return false;
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} else {
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ChunkAccess ichunkaccess = this.getChunk(pos);
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- BlockState iblockdata1 = ichunkaccess.setBlockState(pos, state, false);
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+ BlockState iblockdata1 = ichunkaccess.setBlockState(pos, state, false); final BlockState previousBlockState = iblockdata1; // Paper - Clear block entity before setting up a DUMMY block entity - obfhelper
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if (iblockdata1 != null) {
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this.level.onBlockStateChange(pos, iblockdata1, state);
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@@ -340,6 +340,17 @@ public class WorldGenRegion implements WorldGenLevel {
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ichunkaccess.removeBlockEntity(pos);
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}
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} else {
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+ // Paper start - Clear block entity before setting up a DUMMY block entity
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+ // The concept of removing a block entity when the block itself changes is generally lifted
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+ // from LevelChunk#setBlockState.
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+ // It is however to note that this may only run if the block actually changes.
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+ // Otherwise a chest block entity generated by a structure template that is later "updated" to
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+ // be waterlogged would remove its existing block entity (see PaperMC/Paper#10750)
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+ // This logic is *also* found in LevelChunk#setBlockState.
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+ if (previousBlockState != null && !java.util.Objects.equals(previousBlockState.getBlock(), state.getBlock())) {
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+ ichunkaccess.removeBlockEntity(pos);
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+ }
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+ // Paper end - Clear block entity before setting up a DUMMY block entity
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CompoundTag nbttagcompound = new CompoundTag();
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nbttagcompound.putInt("x", pos.getX());
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diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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index b6fb9014d0e4de35b0f5a7e9e99f9db7ec89edcd..e431c66d4cb63ac9654c2575ed23d65e82a0d849 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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@@ -996,9 +996,14 @@ public class LevelChunk extends ChunkAccess {
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if (this.blockEntity.getType().isValid(iblockdata)) {
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this.ticker.tick(LevelChunk.this.level, this.blockEntity.getBlockPos(), iblockdata, this.blockEntity);
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this.loggedInvalidBlockState = false;
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- } else if (!this.loggedInvalidBlockState) {
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- this.loggedInvalidBlockState = true;
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- LevelChunk.LOGGER.warn("Block entity {} @ {} state {} invalid for ticking:", new Object[]{LogUtils.defer(this::getType), LogUtils.defer(this::getPos), iblockdata});
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+ // Paper start - Remove the Block Entity if it's invalid
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+ } else {
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+ LevelChunk.this.removeBlockEntity(this.getPos());
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+ if (!this.loggedInvalidBlockState) {
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+ this.loggedInvalidBlockState = true;
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+ LevelChunk.LOGGER.warn("Block entity {} @ {} state {} invalid for ticking:", new Object[]{LogUtils.defer(this::getType), LogUtils.defer(this::getPos), iblockdata});
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+ }
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+ // Paper end - Remove the Block Entity if it's invalid
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}
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gameprofilerfiller.pop();
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