From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: miclebrick <miclebrick@outlook.com> 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 0bae4e8d1e9fcc4608b3ef1c981c65f3b03de22b..83a3c877f2969549ea154ad86687e96fdf34d881 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 @@ -862,6 +862,14 @@ 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 da39a252be9b77c81c07d6b67da9f2380f9445a8..c53dbcfde62ae8e2f019e854c336ce4a60346dc9 100644 --- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java +++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java @@ -574,7 +574,17 @@ 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); }