Function DrawRoadGroundSprites

src/road_cmd.cpp:1607–1619

* Draw road ground sprites. * @param ti TileInfo * @param road Road bits * @param tram Tram bits * @param road_rti Road road type information * @param tram_rti Tram road type information * @param roadside Roadside type * @param snow_or_desert Whether to draw snow/desert ground sprites */

 * @param snow_or_desert Whether to draw snow/desert ground sprites
 */
void DrawRoadGroundSprites(const TileInfo *ti, RoadBits road, RoadBits tram, const RoadTypeInfo *road_rti, const RoadTypeInfo *tram_rti, Roadside roadside, bool snow_or_desert)
{
	/* Determine sprite offsets */
	uint road_offset = GetRoadSpriteOffset(ti->tileh, road);
	uint tram_offset = GetRoadSpriteOffset(ti->tileh, tram);

	/* Draw baseset underlay */
	PaletteID pal = PAL_NONE;
	SpriteID image = GetRoadGroundSprite(ti, roadside, road_rti, road == ROAD_NONE ? tram_offset : road_offset, snow_or_desert, &pal);
	DrawGroundSprite(image, pal);

	DrawRoadOverlays(ti, pal, road_rti, tram_rti, road_offset, tram_offset);
}

/**
 * Draw ground sprite and road pieces