Function DrawTrackFence

src/rail_cmd.cpp:1938–1945

* Draw a track fence. * @param ti Tile drawing information. * @param base_image First fence sprite. * @param num_sprites Number of fence sprites. * @param rfo Fence to draw. */

 * @param rfo Fence to draw.
 */
static void DrawTrackFence(const TileInfo *ti, const PalSpriteID &psid, uint num_sprites, RailFenceOffset rfo)
{
	int z = ti->z;
	if (_fence_offsets[rfo].height_ref != CORNER_INVALID) {
		z += GetSlopePixelZInCorner(RemoveHalftileSlope(ti->tileh), _fence_offsets[rfo].height_ref);
	}
	AddSortableSpriteToDraw(psid.sprite + (rfo % num_sprites), psid.pal, ti->x, ti->y, z, _fence_offsets[rfo]);
}

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