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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 e3987a1947548f152daaa9c7ad1d894a13eacbd8..b472cd2d8ca0885ca5f2c42787d796f3e27ec413 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
@@ -578,7 +578,17 @@ 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);
}
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