From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: miclebrick 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 922475997902dcc85ae42f351ace15e82b5aa638..a06c3c73744385eaa990b111af301f36737fce4b 100644 --- a/src/main/java/net/minecraft/server/MinecraftServer.java +++ b/src/main/java/net/minecraft/server/MinecraftServer.java @@ -2026,6 +2026,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop%s", nms, bukkit); } + // Paper start - cache block data strings + private static Map 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, Comparable> parsed = null;