Function GetCustomStationRelocation

src/newgrf_station.cpp:612–620

* Resolve sprites for drawing a station tile. * @param statspec Station spec * @param st Station (nullptr in GUI) * @param tile Station tile being drawn (INVALID_TILE in GUI) * @param var10 Value to put in variable 10; normally 0; 1 when resolving the groundsprite and StationSpecFlag::SeparateGround is set. * @return First sprite of the Action 1 spriteset to use, minus an offset of SPR_RAIL_P

 * @return First sprite of the Action 1 spriteset to use, minus an offset of SPR_RAIL_PLATFORM_Y_FRONT (0x42D) to accommodate for weird NewGRF specs.
 */
SpriteID GetCustomStationRelocation(const StationSpec *statspec, BaseStation *st, TileIndex tile, uint32_t var10)
{
	StationResolverObject object(statspec, st, tile, CBID_NO_CALLBACK, var10);
	const auto *group = object.Resolve<ResultSpriteGroup>();

	/* A zero-length ResultSpriteGroup is valid because the output value is an offset, not a sprite ID within the ResultSpriteGroup. */
	if (group == nullptr) return 0;
	return group->sprite - SPR_RAIL_PLATFORM_Y_FRONT;
}

void GetCustomStationRelocation(SpriteLayoutProcessor &processor, const StationSpec *statspec, BaseStation *st, TileIndex tile)
{