int scanSize = 120;
	   int hScanSize = scanSize / 2;
	   int scanResolution = 20;
	   for (int xx = (int)posX - hScanSize; xx <= posX + hScanSize; xx+= scanResolution) {
		   for (int zz = (int)posZ - hScanSize; zz <= posZ + hScanSize; zz+= scanResolution) {
			   if (this.worldObj.getBlockId(xx, (int)posY, zz) == 0) {
			   }
		   }
	   }