Function GetBridgeFoundation

src/tunnelbridge_cmd.cpp:115–122

* Get the foundation for a bridge. * @param tileh The slope to build the bridge on. * @param axis The axis of the bridge entrance. * @return The foundation required. */

 * @return The foundation required.
 */
Foundation GetBridgeFoundation(Slope tileh, Axis axis)
{
	if (tileh == SLOPE_FLAT ||
			((tileh == SLOPE_NE || tileh == SLOPE_SW) && axis == AXIS_X) ||
			((tileh == SLOPE_NW || tileh == SLOPE_SE) && axis == AXIS_Y)) return FOUNDATION_NONE;

	return (HasSlopeHighestCorner(tileh) ? InclinedFoundation(axis) : FlatteningFoundation(tileh));
}

/**
 * Determines if the track on a bridge ramp is flat or goes up/down.