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41647af74c
We cannot put blocking network I/O onto the worldgen threads, this will crash the server if it stalls
50 lines
2.6 KiB
Diff
50 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: miclebrick <miclebrick@outlook.com>
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Date: Thu, 23 Aug 2018 11:45:32 -0400
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Subject: [PATCH] Optimize CraftBlockData Creation
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Avoids a hashmap lookup by cacheing a reference to the CraftBlockData
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and cloning it when one is needed.
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diff --git a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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index 06525d7687fec5b37cd6020ad1bac998b194e89f..942dae5116840a2e8a992f0830574ab2a315bdf1 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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@@ -694,6 +694,14 @@ public abstract class BlockBehaviour {
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this.emissiveRendering = blockbase_info.emissiveRendering;
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this.offsetType = (BlockBehaviour.OffsetType) blockbase_info.offsetType.apply(this.asState());
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}
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+ // Paper start - impl cached craft block data, lazy load to fix issue with loading at the wrong time
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+ private org.bukkit.craftbukkit.block.data.CraftBlockData cachedCraftBlockData;
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+
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+ public org.bukkit.craftbukkit.block.data.CraftBlockData createCraftBlockData() {
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+ if (cachedCraftBlockData == null) cachedCraftBlockData = org.bukkit.craftbukkit.block.data.CraftBlockData.createData(asState());
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+ return (org.bukkit.craftbukkit.block.data.CraftBlockData) cachedCraftBlockData.clone();
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+ }
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+ // Paper end
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// Paper start
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protected boolean shapeExceedsCube = true;
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
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index 15aff39d8d68430cc35ab134c0ab55cf50575cce..8ec78b26d6bfbcdad443c9649e35f79dd336b095 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
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@@ -533,7 +533,17 @@ public class CraftBlockData implements BlockData {
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return craft;
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}
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+ // Paper start - optimize creating BlockData to not need a map lookup
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+ static {
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+ // Initialize cached data for all IBlockData instances after registration
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+ Block.BLOCK_STATE_REGISTRY.iterator().forEachRemaining(BlockState::createCraftBlockData);
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+ }
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public static CraftBlockData fromData(BlockState data) {
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+ return data.createCraftBlockData();
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+ }
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+
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+ public static CraftBlockData createData(BlockState data) {
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+ // Paper end
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return CraftBlockData.MAP.getOrDefault(data.getBlock().getClass(), CraftBlockData::new).apply(data);
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}
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