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 b6d3f9f9520e410526cfeabcdeb9720dbe30e4bf..6f60622f2dad5f82fb24505612e7e3a32722ab93 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 @@ -875,6 +875,14 @@ 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 09b95423e66da487f48ee594ba682a4c92e347b5..85ee8a3d6db6610104f8a10d77d7cad5dc9b667e 100644 --- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java +++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java @@ -570,7 +570,17 @@ 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); }