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2873869bb1
Signs no longer have a specific isEdiable state, the entire API in this regard needs updating/deprecation. The boolean field is completely gone, replaced by a uuid (which will need a new setEditingPlayer(UUID) method on the Sign interface), and the current upstream implementation of setEdiable simply flips the is_waxed state. This patch is hence not needed as it neither allows editing (which will be redone in a later patch) nor is required to copy the is_waxed boolean flag as it lives in the signs compound tag and is covered by applyTo.
38 lines
1.9 KiB
Diff
38 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Mon, 15 May 2023 20:25:26 -0700
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Subject: [PATCH] Optimise recalcBlockCounts() for empty sections
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In 1.18, every chunk section is initialised to a non-null value
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and recalcBlockCounts() is invoked for each section.
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However, in a standard world, most sections are empty. In such cases,
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recalcBlockCounts() would iterate over ever position - even though
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the block data would all be air. To avoid this, we skip
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searching the section unless the palette indicates there _could_ be
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a non-air block state or non-empty fluid state.
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Chunk loading initially showed that recalcBlockCounts() over
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sections with a ZeroBitStorage data to to take ~20% of the process,
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now it takes <1%.
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diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
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index f150a16fbf888455301d8b9043f0b45fb1fa1d84..fd4c4122e3811c8f5d8c02f8faaf3579bcb8ad79 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
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@@ -229,6 +229,7 @@ public class LevelChunkSection {
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this.nonEmptyBlockCount = 0;
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this.tickingBlockCount = 0;
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this.tickingFluidCount = 0;
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+ if (this.maybeHas((BlockState state) -> !state.isAir() || !state.getFluidState().isEmpty())) { // Paper - do not run forEachLocation on clearly empty sections
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this.states.forEachLocation((BlockState iblockdata, int i) -> {
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FluidState fluid = iblockdata.getFluidState();
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@@ -248,6 +249,7 @@ public class LevelChunkSection {
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}
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});
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+ } // Paper - do not run forEachLocation on clearly empty sections
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// Paper end
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this.initBlockCollisionData(); // Paper
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}
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