Paper/Spigot-Server-Patches/0348-Optimize-CraftBlockData-Creation.patch
Aikar 43cc35a1cf
Updated Upstream (CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
f41aae40 Remove reflection from CraftBlockData
2018-08-25 00:20:58 -04:00

74 Zeilen
3.0 KiB
Diff

From 74f68b921eaba613b8368d573d6cc02e80d0a2c1 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/server/BlockData.java b/src/main/java/net/minecraft/server/BlockData.java
index 4dd6c32761..1b226a77e0 100644
--- a/src/main/java/net/minecraft/server/BlockData.java
+++ b/src/main/java/net/minecraft/server/BlockData.java
@@ -1,6 +1,7 @@
package net.minecraft.server;
import com.google.common.collect.ImmutableMap;
+import org.bukkit.craftbukkit.block.data.CraftBlockData;
public class BlockData extends BlockDataAbstract<Block, IBlockData> implements IBlockData {
@@ -11,4 +12,14 @@ public class BlockData extends BlockDataAbstract<Block, IBlockData> implements I
public Block getBlock() {
return (Block) this.e_;
}
+
+ // Paper start - impl cached craft block data, lazy load to fix issue with loading at the wrong time
+ private CraftBlockData cachedCraftBlockData;
+
+ @Override
+ public CraftBlockData createCraftBlockData() {
+ if(cachedCraftBlockData == null) cachedCraftBlockData = CraftBlockData.createData(this);
+ return (CraftBlockData) cachedCraftBlockData.clone();
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/server/IBlockData.java b/src/main/java/net/minecraft/server/IBlockData.java
index b57f6efb3a..7b1d750f3a 100644
--- a/src/main/java/net/minecraft/server/IBlockData.java
+++ b/src/main/java/net/minecraft/server/IBlockData.java
@@ -28,6 +28,8 @@ public interface IBlockData extends IBlockDataHolder<IBlockData> {
Block getBlock();
+ org.bukkit.craftbukkit.block.data.CraftBlockData createCraftBlockData(); // Paper - property for converting IBlockData to CraftBlockData, should only be used by CraftBlockData#fromData and should return a clone
+
default Material getMaterial() {
return this.getBlock().n(this);
}
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 a4f3dd1b03..baaace6937 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
@@ -494,7 +494,17 @@ 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.REGISTRY_ID.iterator().forEachRemaining(IBlockData::createCraftBlockData);
+ }
public static CraftBlockData fromData(IBlockData data) {
+ return data.createCraftBlockData();
+ }
+
+ public static CraftBlockData createData(IBlockData data) {
+ // Paper end
return MAP.getOrDefault(data.getBlock().getClass(), CraftBlockData::new).apply(data);
}
}
--
2.18.0