          int var5 = 0;
          int var6;
  
-@@ -1327,12 +1397,26 @@
+@@ -1327,12 +1439,26 @@
          }
  
          this.generateHeightMap();

 
         if (var5 == null)
         {
@@ -708,7 +756,7 @@
                 var5.setExtBlockMetadata(par1, par2 & 15, par3, par4);
                 int var7 = var5.getExtBlockID(par1, par2 & 15, par3);
 

         ExtendedBlockStorage var6 = this.storageArrays[par3 >> 4];
 
         if (var6 == null)
@@ -767,7 +862,7 @@
      */
     public int getBlockLightValue(int par1, int par2, int par3, int par4)
     {
