gistfile1.txt

	private boolean checkHorizontal(World world, int x, int y, int z) {
		ForgeDirection[] VALID_DIRECTIONS = new ForgeDirection[] {
				ForgeDirection.NORTH, ForgeDirection.SOUTH,
				ForgeDirection.EAST, ForgeDirection.WEST };

		for (ForgeDirection dir : VALID_DIRECTIONS) {
			int newX = x + dir.offsetX;
			int newZ = z + dir.offsetZ;
			//Checks adjacent blocks
			if (world.getBlock(newX, y, newZ) != Register.BlockMaterials 
					|| world.getBlockMetadata(newX, y, newZ) != 1) {
				return false;
			}
			//Checks blocks 2 away on the NS and EW axes
			if (world.getBlock(newX + dir.offsetX, y, newZ + dir.offsetZ) != Register.BlockXenolith 
					|| world.getBlockMetadata(newX + dir.offsetX, y, newZ + dir.offsetZ) != 0) {
				return false;
			}

		}
		
		for (int dx = -2; dx <= 2; dx +=4)
		{
			for (int dz = -2; dz <= 2; dz +=4)
			{
				//x + dx, z + dz gives the 4 coordinates of the pillar bases
				for (int dy = 0; dy < 3; dy++)
				{
					//Loops up the pillar and checks for the first 3 blocks
					if(world.getBlock(x + dx, y + dy, z + dz) != Register.BlockXenolith 
						|| world.getBlockMetadata(x + dx, y + dy, z + dz) != 0){
					return false;
					}
				}
				
				//Checks the top block of the pillar
				if(world.getBlock(x + dx, y + 3, z + dz)  != Register.BlockXenolith 
						|| world.getBlockMetadata(x + dx, y + 3, z + dz) != 6){
					return false;
				}
				
				//x + dx/2, z + dz/2 is the location of the block diagonally closer to the centre from the pillar
				if (world.getBlock(x + dx/2, y, z + dz/2) != Register.BlockXenolith
						|| world.getBlockMetadata(x + dx/2, y, z + dz/2) != 0) {
					return false;
				}
			}
		}
		return true;
	}