From 7033f180e0f1f300f6e85beda70cb396200a219a Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 10 Sep 2018 19:13:03 +1000
Subject: Hoist out synchronisation from ChunkRegionLoader

---
 nms-patches/ChunkProviderServer.patch | 14 ++++++++------
 nms-patches/ChunkRegionLoader.patch   | 34 ++++++++++------------------------
 2 files changed, 18 insertions(+), 30 deletions(-)

(limited to 'nms-patches')

diff --git a/nms-patches/ChunkProviderServer.patch b/nms-patches/ChunkProviderServer.patch
index f16a3837..48ee4e8d 100644
--- a/nms-patches/ChunkProviderServer.patch
+++ b/nms-patches/ChunkProviderServer.patch
@@ -84,7 +84,7 @@
                              ++i;
                          }
                      }
-@@ -267,6 +291,40 @@
+@@ -267,6 +291,42 @@
          return false;
      }
  
@@ -112,12 +112,14 @@
 +            }
 +        }
 +        // Moved from unloadChunks above
-+        chunk.removeEntities();
-+        if (save) {
-+            this.saveChunk(chunk);
++        synchronized (this.chunkLoader) {
++            chunk.removeEntities();
++            if (save) {
++                this.saveChunk(chunk);
++            }
++            this.chunks.remove(chunk.chunkKey);
++            this.lastChunk = null;
 +        }
-+        this.chunks.remove(chunk.chunkKey);
-+        this.lastChunk = null;
 +        return true;
 +    }
 +    // CraftBukkit end
diff --git a/nms-patches/ChunkRegionLoader.patch b/nms-patches/ChunkRegionLoader.patch
index 50ae59b6..b455a239 100644
--- a/nms-patches/ChunkRegionLoader.patch
+++ b/nms-patches/ChunkRegionLoader.patch
@@ -1,11 +1,6 @@
 --- a/net/minecraft/server/ChunkRegionLoader.java
 +++ b/net/minecraft/server/ChunkRegionLoader.java
-@@ -27,11 +27,11 @@
- public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
- 
-     private static final Logger a = LogManager.getLogger();
--    private final Map<ChunkCoordIntPair, NBTTagCompound> b = Maps.newHashMap();
-+    private final Map<ChunkCoordIntPair, NBTTagCompound> b = java.util.Collections.synchronizedMap(Maps.newHashMap()); // CraftBukkit
+@@ -31,7 +31,7 @@
      private final File c;
      private final DataFixer d;
      private PersistentStructureLegacy e;
@@ -170,7 +165,7 @@
              } else {
                  NBTTagCompound nbttagcompound1 = nbttagcompound.getCompound("Level");
  
-@@ -217,10 +289,15 @@
+@@ -217,10 +289,14 @@
      }
  
      public boolean a() {
@@ -180,7 +175,6 @@
 +    }
  
 +    private boolean processSaveQueueEntry(boolean logCompletion) {
-+        synchronized (this.b) { // CraftBukkit
 +        Iterator iterator = this.b.entrySet().iterator();
          if (!iterator.hasNext()) {
 -            if (this.f) {
@@ -188,7 +182,7 @@
                  ChunkRegionLoader.a.info("ThreadedAnvilChunkStorage ({}): All chunks are saved", this.c.getName());
              }
  
-@@ -236,10 +313,14 @@
+@@ -236,10 +312,14 @@
                  return true;
              } else {
                  try {
@@ -204,15 +198,7 @@
                      if (this.e != null) {
                          this.e.a(chunkcoordintpair.a());
                      }
-@@ -250,6 +331,7 @@
-                 return true;
-             }
-         }
-+        } // CraftBukkit
-     }
- 
-     private ChunkStatus.Type a(@Nullable NBTTagCompound nbttagcompound) {
-@@ -266,15 +348,16 @@
+@@ -266,15 +346,16 @@
  
      public void b() {
          try {
@@ -232,7 +218,7 @@
          }
  
      }
-@@ -303,7 +386,7 @@
+@@ -303,7 +384,7 @@
  
          if (abiomebase != null) {
              for (int k = 0; k < abiomebase.length; ++k) {
@@ -241,7 +227,7 @@
              }
          }
  
-@@ -385,7 +468,7 @@
+@@ -385,7 +466,7 @@
          int[] aint = new int[abiomebase.length];
  
          for (int i = 0; i < abiomebase.length; ++i) {
@@ -250,7 +236,7 @@
          }
  
          nbttagcompound.setIntArray("Biomes", aint);
-@@ -487,27 +570,27 @@
+@@ -487,27 +568,27 @@
          }
  
          ChunkConverter chunkconverter = nbttagcompound.hasKeyOfType("UpgradeData", 10) ? new ChunkConverter(nbttagcompound.getCompound("UpgradeData")) : ChunkConverter.a;
@@ -284,7 +270,7 @@
          long i1 = nbttagcompound.getLong("InhabitedTime");
          Chunk chunk = new Chunk(generatoraccess.getMinecraftWorld(), i, j, abiomebase, chunkconverter, protochunkticklist, protochunkticklist1, i1);
  
-@@ -850,17 +933,29 @@
+@@ -850,17 +931,29 @@
      }
  
      @Nullable
@@ -316,7 +302,7 @@
          });
      }
  
-@@ -874,8 +969,14 @@
+@@ -874,8 +967,14 @@
          }
      }
  
@@ -332,7 +318,7 @@
              Iterator iterator = entity.bP().iterator();
  
              while (iterator.hasNext()) {
-@@ -891,7 +992,7 @@
+@@ -891,7 +990,7 @@
          boolean flag = false;
  
          try {
-- 
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