Function DrawRoadDepotSprite

src/road_cmd.cpp:1901–1937

* Draw the road depot sprite. * @param x The x offset to draw at. * @param y The y offset to draw at. * @param dir The direction the depot must be facing. * @param rt The road type of the depot to draw. */

 * @param rt  The road type of the depot to draw.
 */
void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
{
	PaletteID palette = GetCompanyPalette(_local_company);

	const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
	int relocation = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_DEPOT);
	bool default_gfx = relocation == 0;
	if (default_gfx) {
		if (rti->flags.Test(RoadTypeFlag::Catenary)) {
			if (_loaded_newgrf_features.tram == TRAMWAY_REPLACE_DEPOT_WITH_TRACK && RoadTypeIsTram(rt) && !rti->UsesOverlay()) {
				/* Sprites with track only work for default tram */
				relocation = SPR_TRAMWAY_DEPOT_WITH_TRACK - SPR_ROAD_DEPOT;
				default_gfx = false;
			} else {
				/* Sprites without track are always better, if provided */
				relocation = SPR_TRAMWAY_DEPOT_NO_TRACK - SPR_ROAD_DEPOT;
			}
		}
	} else {
		relocation -= SPR_ROAD_DEPOT;
	}

	const DrawTileSprites *dts = &_road_depot[dir];
	DrawSprite(dts->ground.sprite, PAL_NONE, x, y);

	if (default_gfx) {
		uint offset = GetRoadSpriteOffset(SLOPE_FLAT, DiagDirToRoadBits(dir));
		if (rti->UsesOverlay()) {
			SpriteID ground = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_OVERLAY);
			if (ground != 0) DrawSprite(ground + offset, PAL_NONE, x, y);
		} else if (RoadTypeIsTram(rt)) {
			DrawSprite(SPR_TRAMWAY_OVERLAY + offset, PAL_NONE, x, y);
		}
	}

	DrawRailTileSeqInGUI(x, y, dts, relocation, 0, palette);
}

/**
 * Updates cached nearest town for all road tiles