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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 2d1163fb234a2327373099dbfb569c3b8af9fa46..583031b2d26f9410306cbacd158fb6a21f0f24b5 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -2035,6 +2035,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.getPlayerList().reloadResources();
this.functionManager.replaceLibrary(this.resources.managers.getFunctionLibrary());
this.structureManager.onResourceManagerReload(this.resources.resourceManager);
+ 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.isSameThread()) {
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 275401f9bf7a78e69766e0547c94c3a115a8896c..afc69b0077f180c3e7ace3db11aa0eccc602516f 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
@@ -494,9 +494,39 @@ public class CraftBlockData implements BlockData {
Preconditions.checkState(CraftBlockData.MAP.put(nms, bukkit) == null, "Duplicate mapping %s->%s", nms, bukkit);
}
+ // Paper start - cache block data strings
+ private static Map<String, CraftBlockData> stringDataCache = new java.util.concurrent.ConcurrentHashMap<>();
+
+ 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.BLOCK_STATE_REGISTRY.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) {
+ net.minecraft.resources.ResourceLocation key = Registry.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
BlockState blockData;
Block block = CraftMagicNumbers.getBlock(material);
Map<Property<?>, Comparable<?>> parsed = null;
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