From 8bd51ec6ce48f100cc32ac4268904c7bd54874ba Mon Sep 17 00:00:00 2001 From: Aikar Date: Wed, 2 Mar 2016 23:51:51 -0600 Subject: [PATCH] Don't create Region File's when checking if chunk exists Plugins like Dynmap can end up creating tons of emtpy Region Files when using chunkExists. diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java index 4890023d7..79cb3953b 100644 --- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java +++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java @@ -39,7 +39,10 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver { } } - return RegionFileCache.a(this.d, i, j).chunkExists(i & 31, j & 31); + // Paper start - Don't create region files when checking that they exist + final RegionFile region = RegionFileCache.a(this.d, i, j, false); + return region != null && region.chunkExists(i & 31, j & 31); + // Paper end } // CraftBukkit end diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java index f23429898..933934fb6 100644 --- a/src/main/java/net/minecraft/server/RegionFileCache.java +++ b/src/main/java/net/minecraft/server/RegionFileCache.java @@ -12,7 +12,13 @@ public class RegionFileCache { public static final Map a = Maps.newHashMap(); // Spigot - private -> public + // Paper start public static synchronized RegionFile a(File file, int i, int j) { + return a(file, i, j, true); + } + + public static synchronized RegionFile a(File file, int i, int j, boolean create) { + // Paper end File file1 = new File(file, "region"); File file2 = new File(file1, "r." + (i >> 5) + "." + (j >> 5) + ".mca"); RegionFile regionfile = (RegionFile) RegionFileCache.a.get(file2); @@ -20,6 +26,7 @@ public class RegionFileCache { if (regionfile != null) { return regionfile; } else { + if (!create && !file2.exists()) { return null; } // Paper if (!file1.exists()) { file1.mkdirs(); } -- 2.12.0.windows.1