Function DrawTrackFence_NW

src/rail_cmd.cpp:1950–1955

* Draw fence at NW border matching the tile slope. */

 * Draw fence at NW border matching the tile slope.
 */
static void DrawTrackFence_NW(const TileInfo *ti, const PalSpriteID &psid, uint num_sprites)
{
	RailFenceOffset rfo = RFO_FLAT_X_NW;
	if (ti->tileh & SLOPE_NW) rfo = (ti->tileh & SLOPE_W) ? RFO_SLOPE_SW_NW : RFO_SLOPE_NE_NW;
	DrawTrackFence(ti, psid, num_sprites, rfo);
}

/**
 * Draw fence at SE border matching the tile slope.