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 adf1c04d34383d088a3fc8c06cdc8b55552c354f..a087eec747bb355afd627c6042d20440c3e43e1b 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 @@ -637,6 +637,14 @@ public abstract class BlockBehaviour { this.hasPostProcess = blockbase_info.hasPostProcess; this.emissiveRendering = blockbase_info.emissiveRendering; } + // Paper start - 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 // Paper start protected boolean shapeExceedsCube = true; 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 c6a9ce2a67591205cbeb436b5043e737331c3527..3594f432a25b580173e8577bf324be954f5eddd1 100644 --- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java +++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java @@ -527,7 +527,17 @@ 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(BlockState::createCraftBlockData); + } public static CraftBlockData fromData(BlockState data) { + return data.createCraftBlockData(); + } + + public static CraftBlockData createData(BlockState data) { + // Paper end return CraftBlockData.MAP.getOrDefault(data.getBlock().getClass(), CraftBlockData::new).apply(data); }