Function GetRelativePosition

src/newgrf_industrytiles.cpp:54–60

* This is the position of the tile relative to the northernmost tile of the industry. * Format: 00yxYYXX * Variable Content * x the x offset from the northernmost tile * XX same, but stored in a byte instead of a nibble * y the y offset from the northernmost tile * YY same, but stored in a byte instead of a nibble * @param tile TileIndex of the tile to evaluat

 * @param ind_tile northernmost tile of the industry
 */
uint32_t GetRelativePosition(TileIndex tile, TileIndex ind_tile)
{
	uint8_t x = TileX(tile) - TileX(ind_tile);
	uint8_t y = TileY(tile) - TileY(ind_tile);

	return ((y & 0xF) << 20) | ((x & 0xF) << 16) | (y << 8) | x;
}

/* virtual */ uint32_t IndustryTileScopeResolver::GetVariable(uint8_t variable, [[maybe_unused]] uint32_t parameter, bool &available) const
{