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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: miclebrick <miclebrick@outlook.com>
Date: Thu, 6 Dec 2018 19:52:50 -0500
Subject: [PATCH] Cache block data strings
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index bd6b9c7be8951393e7ba731f4d6a9486f0743be7..040933a25f1fa88e86b19ea20f519488af6a2740 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1954,6 +1954,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.getPlayerList().reload();
this.customFunctionData.a(this.dataPackResources.a());
this.ak.a(this.dataPackResources.h());
+ org.bukkit.craftbukkit.block.data.CraftBlockData.reloadCache(); // Paper - cache block data strings, they can be defined by datapacks so refresh it here
}, this);
if (this.isMainThread()) {
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 ed88da727feddc319a650fb35710d16727f6dbd7..58f892478de74b853cd35ef2fec8c462e3a9ecee 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
@@ -13,6 +13,7 @@ import net.minecraft.commands.arguments.blocks.ArgumentBlock;
import net.minecraft.core.EnumDirection;
import net.minecraft.core.IRegistry;
import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.resources.MinecraftKey;
import net.minecraft.util.INamable;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.state.IBlockData;
@@ -476,9 +477,39 @@ public class CraftBlockData implements BlockData {
Preconditions.checkState(MAP.put(nms, bukkit) == null, "Duplicate mapping %s->%s", nms, bukkit);
}
+ // Paper start - cache block data strings
+ private static Map<String, CraftBlockData> stringDataCache = new HashMap<>();
+
+ static {
+ // cache all of the default states at startup, will not cache ones with the custom states inside of the
+ // brackets in a different order, though
+ reloadCache();
+ }
+
+ public static void reloadCache() {
+ stringDataCache.clear();
+ Block.REGISTRY_ID.forEach(blockData -> stringDataCache.put(blockData.toString(), blockData.createCraftBlockData()));
+ }
+ // Paper end
+
public static CraftBlockData newData(Material material, String data) {
Preconditions.checkArgument(material == null || material.isBlock(), "Cannot get data for not block %s", material);
+ // Paper start - cache block data strings
+ if (material != null) {
+ Block block = CraftMagicNumbers.getBlock(material);
+ if (block != null) {
+ MinecraftKey key = IRegistry.BLOCK.getKey(block);
+ data = data == null ? key.toString() : key + data;
+ }
+ }
+
+ CraftBlockData cached = stringDataCache.computeIfAbsent(data, s -> createNewData(null, s));
+ return (CraftBlockData) cached.clone();
+ }
+
+ private static CraftBlockData createNewData(Material material, String data) {
+ // Paper end - cache block data strings
IBlockData blockData;
Block block = CraftMagicNumbers.getBlock(material);
Map<IBlockState<?>, Comparable<?>> parsed = null;
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