From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: miclebrick Date: Thu, 23 Aug 2018 11:45:32 -0400 Subject: [PATCH] Optimize CraftBlockData Creation Avoids a hashmap lookup by cacheing a reference to the CraftBlockData and cloning it when one is needed. 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 index e8815210405152696a9f7ddae64f87ff456fa9bd..3e76f1baa321f1c2551a027a705bbeed48936e2b 100644 --- a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java +++ b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java @@ -807,6 +807,14 @@ public abstract class BlockBehaviour implements FeatureElement { this.instrument = blockbase_info.instrument; this.replaceable = blockbase_info.replaceable; } + // Paper start - Perf: impl cached craft block data, lazy load to fix issue with loading at the wrong time + private org.bukkit.craftbukkit.block.data.CraftBlockData cachedCraftBlockData; + + public org.bukkit.craftbukkit.block.data.CraftBlockData createCraftBlockData() { + if (cachedCraftBlockData == null) cachedCraftBlockData = org.bukkit.craftbukkit.block.data.CraftBlockData.createData(asState()); + return (org.bukkit.craftbukkit.block.data.CraftBlockData) cachedCraftBlockData.clone(); + } + // Paper end - Perf: impl cached craft block data, lazy load to fix issue with loading at the wrong time private boolean calculateSolid() { if (((Block) this.owner).properties.forceSolidOn) { diff --git a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java index d2ec2d11736a74f8d568e25e9b560605518af987..19fab0d8d8a6211782df1fd99b5d60681aecd2f5 100644 --- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java +++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java @@ -571,7 +571,17 @@ public class CraftBlockData implements BlockData { return craft; } + // Paper start - optimize creating BlockData to not need a map lookup + static { + // Initialize cached data for all IBlockData instances after registration + Block.BLOCK_STATE_REGISTRY.iterator().forEachRemaining(net.minecraft.world.level.block.state.BlockState::createCraftBlockData); + } public static CraftBlockData fromData(net.minecraft.world.level.block.state.BlockState data) { + return data.createCraftBlockData(); + } + + public static CraftBlockData createData(net.minecraft.world.level.block.state.BlockState data) { + // Paper end return CraftBlockData.MAP.getOrDefault(data.getBlock().getClass(), CraftBlockData::new).apply(data); }