Function DrawTile_Track

src/rail_cmd.cpp:2422–2548

}

static void DrawTile_Track(TileInfo *ti)
{
	const RailTypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
	BridgePillarFlags blocked_pillars{};
	PaletteID pal = GetCompanyPalette(GetTileOwner(ti->tile));

	if (IsPlainRail(ti->tile)) {
		TrackBits rails = GetTrackBits(ti->tile);

		DrawTrackBits(ti, rails);

		if (HasBit(_display_opt, DO_FULL_DETAIL)) DrawTrackDetails(ti, rti, pal);

		if (HasRailCatenaryDrawn(GetRailType(ti->tile))) DrawRailCatenary(ti);

		if (HasSignals(ti->tile)) DrawSignals(ti->tile, rails, rti);

		if (IsBridgeAbove(ti->tile)) {
			if ((rails & TRACK_BIT_3WAY_NE) != 0) blocked_pillars.Set(BridgePillarFlag::EdgeNE);
			if ((rails & TRACK_BIT_3WAY_SE) != 0) blocked_pillars.Set(BridgePillarFlag::EdgeSE);
			if ((rails & TRACK_BIT_3WAY_SW) != 0) blocked_pillars.Set(BridgePillarFlag::EdgeSW);
			if ((rails & TRACK_BIT_3WAY_NW) != 0) blocked_pillars.Set(BridgePillarFlag::EdgeNW);
		}
	} else {
		/* draw depot */
		const DrawTileSprites *dts;
		DiagDirection dir = GetRailDepotDirection(ti->tile);

		if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);

		if (IsInvisibilitySet(TO_BUILDINGS)) {
			/* Draw rail instead of depot */
			dts = &_depot_invisible_gfx_table[dir];
		} else {
			dts = &_depot_gfx_table[dir];
		}

		SpriteID image;
		if (rti->UsesOverlay()) {
			image = SPR_FLAT_GRASS_TILE;
		} else {
			image = dts->ground.sprite;
			if (image != SPR_FLAT_GRASS_TILE) image += rti->GetRailtypeSpriteOffset();
		}

		/* Adjust ground tile for desert and snow. */
		if (IsSnowRailGround(ti->tile)) {
			if (image != SPR_FLAT_GRASS_TILE) {
				image += rti->snow_offset; // tile with tracks
			} else {
				image = SPR_FLAT_SNOW_DESERT_TILE; // flat ground
			}
		}

		DrawGroundSprite(image, GroundSpritePaletteTransform(image, PAL_NONE, pal));

		if (rti->UsesOverlay()) {
			SpriteID ground = GetCustomRailSprite(rti, ti->tile, RTSG_GROUND);