Function DrawTileLayout

src/newgrf_object.cpp:447–465

* Draw an group of sprites on the map. * @param ti Information about the tile to draw on. * @param dts The sprite layout to draw. * @param spec Object spec to draw. */

 * @param spec  Object spec to draw.
 */
static void DrawTileLayout(const TileInfo *ti, const DrawTileSpriteSpan &dts, const ObjectSpec *spec)
{
	PaletteID palette = (spec->flags.Test(ObjectFlag::Uses2CC) ? SPR_2CCMAP_BASE : PALETTE_RECOLOUR_START) + Object::GetByTile(ti->tile)->colour;

	SpriteID image = dts.ground.sprite;
	PaletteID pal = dts.ground.pal;

	if (GB(image, 0, SPRITE_WIDTH) != 0) {
		/* If the ground sprite is the default flat water sprite, draw also canal/river borders
		 * Do not do this if the tile's WaterClass is 'land'. */
		if ((image == SPR_FLAT_WATER_TILE || spec->flags.Test(ObjectFlag::DrawWater)) && IsTileOnWater(ti->tile)) {
			DrawWaterClassGround(ti);
		} else {
			DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
		}
	}

	DrawNewGRFTileSeq(ti, &dts, TO_STRUCTURES, 0, palette);
}

/**
 * Draw an object on the map.