Function TrainOnCrossing

src/train_cmd.cpp:1702–1707

* Check if a level crossing tile has a train on it * @param tile tile to test * @return true if a train is on the crossing * @pre tile is a level crossing */

 * @pre tile is a level crossing
 */
bool TrainOnCrossing(TileIndex tile)
{
	assert(IsLevelCrossingTile(tile));

	return HasVehicleOnTile(tile, IsTrain);
}

/**
 * Checks if a train is approaching a rail-road crossing