Function AddCombinedSprite

src/viewport.cpp:623–636

* Adds a child sprite to a parent sprite. * In contrast to "AddChildSpriteScreen()" the sprite position is in world coordinates * * @param image the image to draw. * @param pal the provided palette. * @param x position x of the sprite. * @param y position y of the sprite. * @param z position z of the sprite. * @param sub Only draw a part of the sprite. */

 * @param sub Only draw a part of the sprite.
 */
static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z, const SubSprite *sub)
{
	Point pt = RemapCoords(x, y, z);
	const Sprite *spr = GetSprite(image & SPRITE_MASK, SpriteType::Normal);

	if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
			pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
			pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
			pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
		return;

	const ParentSpriteToDraw &pstd = _vd.parent_sprites_to_draw.back();
	AddChildSpriteScreen(image, pal, pt.x - pstd.left, pt.y - pstd.top, false, sub, false);
}

/**
 * Draw a (transparent) sprite at given coordinates with a given bounding box.