Paper/Spigot-Server-Patches/0272-Optimize-CraftBlockData-Creation.patch
Mariell Hoversholm 654b792caf 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:
a339310c #755: Fix NPE when calling getInventory() for virtual EnderChests
2577f9bf Increase outdated build delay
1dabfdc8 #754: Fix pre-1.16 serialized SkullMeta being broken on 1.16+, losing textures
2020-09-27 11:04:51 -04:00

50 lines
2.4 KiB
Diff

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/server/BlockBase.java b/src/main/java/net/minecraft/server/BlockBase.java
index 8ba7718b61ad9f6c8537b44265818ecbcffbfb63..eeeffa989e7024dc345fafda822e0b29f928a759 100644
--- a/src/main/java/net/minecraft/server/BlockBase.java
+++ b/src/main/java/net/minecraft/server/BlockBase.java
@@ -323,6 +323,14 @@ public abstract class BlockBase {
this.o = blockbase_info.t;
this.p = blockbase_info.u;
}
+ // 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(getBlockData());
+ return (org.bukkit.craftbukkit.block.data.CraftBlockData) cachedCraftBlockData.clone();
+ }
+ // Paper end
public void a() {
if (!this.getBlock().o()) {
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 c7eed6b572cef2c735b1eb2f587c24876047cf94..bbded5671e986be34ebe3100e4c10ee0d5741764 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
@@ -553,7 +553,17 @@ 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);
}
}