Improve experimental threaded chunk compiler.

src/minecraft/net/minecraft/src/ChunkBatcher.java

@@ -36,6 +36,8 @@ public class ChunkBatcher implements Runnable {
 		WorldRenderer renderer = todo.poll();
 		if(renderer == null) return;
 		renderer.updateRenderer(true);
+//		System.out.println(todo.size());
+//		System.out.println(renderer);
 	}
 
 }

src/minecraft/net/minecraft/src/RenderGlobal.java

@@ -570,7 +570,7 @@ public class RenderGlobal implements IWorldAccess
                     var14.setPosition(x, var13, z);
 
                     if (!var15 && var14.needsUpdate)
-                    {
+                    { // WTF this is a unreachable code.
                         this.worldRenderersToUpdate.add(var14);
                     }
                 }
@@ -593,6 +593,7 @@ public class RenderGlobal implements IWorldAccess
             if (var6.needsUpdate && !this.worldRenderersToUpdate.contains(var6))
             {
                 this.worldRenderersToUpdate.add(var6);
+                var6.addedToQueue = false;
             }
         }
 
@@ -627,6 +628,15 @@ public class RenderGlobal implements IWorldAccess
             Arrays.sort(this.sortedWorldRenderers, new EntitySorter(par1EntityLiving));
         }
         
+        if(Constants.COMPILE_CHUNK_ASYNC) {
+    		for (int i = 0; i < sortedWorldRenderers.length; i++) {
+				WorldRenderer worldRenderer = sortedWorldRenderers[i];
+				if(!worldRenderer.isCompiled) {
+					worldRenderer.compileAllLayers();
+	    		}
+			}
+    	}
+
         RenderHelper.disableStandardItemLighting();
         byte var17 = 0;
         int var34;
@@ -809,11 +819,12 @@ public class RenderGlobal implements IWorldAccess
 
             if (!this.sortedWorldRenderers[var7].skipRenderPass[par3] && this.sortedWorldRenderers[var7].isInFrustum && (!this.occlusionEnabled || this.sortedWorldRenderers[var7].isVisible))
             {
-                int var8 = this.sortedWorldRenderers[var7].getGLCallListForPass(par3);
+            	WorldRenderer worldRenderer = this.sortedWorldRenderers[var7];
+                int var8 = worldRenderer.getGLCallListForPass(par3);
 
                 if (var8 >= 0)
                 {
-                    this.glRenderLists.add(this.sortedWorldRenderers[var7]);
+                    this.glRenderLists.add(worldRenderer);
                     ++var6;
                 }
             }
@@ -1378,6 +1389,7 @@ public class RenderGlobal implements IWorldAccess
         RenderSorter var4 = new RenderSorter(par1EntityLiving);
         WorldRenderer[] var5 = new WorldRenderer[var3];
         ArrayList var6 = null;
+        if(Constants.COMPILE_CHUNK_ASYNC) worldRenderersToUpdate.sort(new EntitySorter(par1EntityLiving));
         int var7 = this.worldRenderersToUpdate.size();
         int var8 = 0;
         this.theWorld.theProfiler.startSection("nearChunksSearch");
@@ -1393,9 +1405,13 @@ public class RenderGlobal implements IWorldAccess
 
             if (var10 != null)
             {
-            	if(Constants.COMPILE_CHUNK_ASYNC) {
-            		if(!var10.isCompiled) var10.compileAllLayers();
-            		else chunksToUpdate.add(var10);
+            	this.worldRenderersToUpdate.set(var9, (Object)null);
+                if(Constants.COMPILE_CHUNK_ASYNC) {
+            		if(!var10.addedToQueue) {
+            			chunksToUpdate.add(var10);
+            			var10.addedToQueue = true;
+            		}
+            		continue;
             	}
                 if (!par2)
                 {
@@ -1434,13 +1450,15 @@ public class RenderGlobal implements IWorldAccess
                     continue;
                 }
 
-                if (var6 == null)
-                {
-                    var6 = new ArrayList();
+                if(!Constants.COMPILE_CHUNK_ASYNC) {
+                	if (var6 == null)
+                    {
+                        var6 = new ArrayList();
+                    }
+                    var6.add(var10);
                 }
 
                 ++var8;
-                var6.add(var10);
                 this.worldRenderersToUpdate.set(var9, (Object)null);
             }
         }
@@ -1728,6 +1746,7 @@ public class RenderGlobal implements IWorldAccess
                     {
                         this.worldRenderersToUpdate.add(var20);
                         var20.markDirty();
+                        var20.addedToQueue = false;
                     }
                 }
             }

src/minecraft/net/minecraft/src/Tessellator.java

@@ -297,12 +297,13 @@ public class Tessellator
     /**
      * Clears the tessellator state in preparation for new drawing.
      */
-    private void reset()
+    public void reset()
     {
         this.vertexCount = 0;
         this.byteBuffer.clear();
         this.rawBufferIndex = 0;
         this.addedVertices = 0;
+        this.isDrawing = false;
     }
 
     /**
@@ -324,8 +325,8 @@ public class Tessellator
         }
         else
         {
+        	this.reset();
             this.isDrawing = true;
-            this.reset();
             this.drawMode = par1;
             this.hasNormals = false;
             this.hasColor = false;

src/minecraft/net/minecraft/src/WorldRenderer.java

@@ -79,7 +79,7 @@ public class WorldRenderer
     /** Bytes sent to the GPU */
     private int bytesDrawn;
     
-    public boolean isCompiled = true;
+    public boolean isCompiled = true, addedToQueue = false;
 
     public WorldRenderer(World par1World, List par2List, BigInteger par3, int par4, BigInteger par5, int par6)
     {
@@ -88,7 +88,6 @@ public class WorldRenderer
         this.glRenderList = par6;
         this.setPosition(par3, par4, par5);
         this.needsUpdate = false;
-        System.out.println("WorldRenderer.WorldRenderer()");
     }
 
     /**
@@ -183,6 +182,7 @@ public class WorldRenderer
                                     if (!var14)
                                     {
                                         var14 = true;
+                                        tessellator.reset();
                                         tessellator.startDrawingQuads();
                                         tessellator.setTranslation((double)(-this.posX.doubleValue()), (double)(-this.posY), (double)(-this.posZ.doubleValue()));
                                     }