Function GetClosestObject

src/newgrf_object.cpp:214–224

* Get the closest object of a given type. * @param tile The tile to start searching from. * @param type The type of the object to search for. * @param current The current object (to ignore). * @return The distance to the closest object. */

 * @return The distance to the closest object.
 */
static uint32_t GetClosestObject(TileIndex tile, ObjectType type, const Object *current)
{
	uint32_t best_dist = UINT32_MAX;
	for (const Object *o : Object::Iterate()) {
		if (o->type != type || o == current) continue;

		best_dist = std::min(best_dist, DistanceManhattan(tile, o->location.tile));
	}

	return best_dist;
}

/**
 * Implementation of var 65