uint8_t &world::block(uint16_t x,uint16_t y,uint16_t z)
{
	if (x >= x_size ||
	    y >= y_size ||
	    z >= z_size)
	{
		throw std::runtime_error("world::block(): Index out of bounds");
	}
	return map[(((y * z_size) + z) * x_size) + x];
}