Function AddChildSpriteToFoundation

src/viewport.cpp:532–541

* Adds a child sprite to the active foundation. * * The pixel offset of the sprite relative to the ParentSprite is the sum of the offset passed to OffsetGroundSprite() and extra_offs_?. * * @param image the image to draw. * @param pal the provided palette. * @param sub Only draw a part of the sprite. * @param foundation_part Foundation part. * @param extra_offs_x Pixel X offset for the spr

 * @param extra_offs_y Pixel Y offset for the sprite position.
 */
static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
{
	assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
	assert(_vd.foundation[foundation_part] != -1);
	Point offs = _vd.foundation_offset[foundation_part];

	/* Change the active ChildSprite list to the one of the foundation */
	AutoRestoreBackup backup(_vd.last_child, _vd.last_foundation_child[foundation_part]);
	AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub, false, false);
}

/**
 * Draws a ground sprite at a specific world-coordinate relative to the current tile.