CatServer/patches/net/minecraft/client/renderer/chunk/ChunkRenderDispatcher.java.patch

--- ../src-base/minecraft/net/minecraft/client/renderer/chunk/ChunkRenderDispatcher.java
+++ ../src-work/minecraft/net/minecraft/client/renderer/chunk/ChunkRenderDispatcher.java
@@ -39,14 +39,20 @@
     private final BlockingQueue<RegionRenderCacheBuilder> queueFreeRenderBuilders;
     private final WorldVertexBufferUploader worldVertexUploader = new WorldVertexBufferUploader();
     private final VertexBufferUploader vertexUploader = new VertexBufferUploader();
-    private final Queue<ChunkRenderDispatcher.PendingUpload> queueChunkUploads = Queues.<ChunkRenderDispatcher.PendingUpload>newPriorityQueue();
+    private final Queue<PendingUpload> queueChunkUploads = Queues.<PendingUpload>newPriorityQueue();
     private final ChunkRenderWorker renderWorker;
 
     public ChunkRenderDispatcher()
     {
+        this(-1);
+    }
+
+    public ChunkRenderDispatcher(int countRenderBuilders)
+    {
         int i = Math.max(1, (int)((double)Runtime.getRuntime().maxMemory() * 0.3D) / 10485760);
         int j = Math.max(1, MathHelper.clamp(Runtime.getRuntime().availableProcessors(), 1, i / 5));
-        this.countRenderBuilders = MathHelper.clamp(j * 10, 1, i);
+        if(countRenderBuilders < 0) countRenderBuilders = MathHelper.clamp(j * 10, 1, i);
+        this.countRenderBuilders = countRenderBuilders;
 
         if (j > 1)
         {
@@ -277,7 +283,7 @@
 
             synchronized (this.queueChunkUploads)
             {
-                this.queueChunkUploads.add(new ChunkRenderDispatcher.PendingUpload(listenablefuturetask, p_188245_5_));
+                this.queueChunkUploads.add(new PendingUpload(listenablefuturetask, p_188245_5_));
                 return listenablefuturetask;
             }
         }
@@ -348,7 +354,7 @@
     }
 
     @SideOnly(Side.CLIENT)
-    class PendingUpload implements Comparable<ChunkRenderDispatcher.PendingUpload>
+    class PendingUpload implements Comparable<PendingUpload>
     {
         private final ListenableFutureTask<Object> uploadTask;
         private final double distanceSq;
@@ -359,7 +365,7 @@
             this.distanceSq = distanceSqIn;
         }
 
-        public int compareTo(ChunkRenderDispatcher.PendingUpload p_compareTo_1_)
+        public int compareTo(PendingUpload p_compareTo_1_)
         {
             return Doubles.compare(this.distanceSq, p_compareTo_1_.distanceSq);
         }