Function ShowExtraViewportWindow

src/viewport_gui.cpp:159–167

* Show a new Extra Viewport window. * @param tile Tile to center the view on. INVALID_TILE means to use the center of main viewport. */

 * @param tile Tile to center the view on. INVALID_TILE means to use the center of main viewport.
 */
void ShowExtraViewportWindow(TileIndex tile)
{
	int i = 0;

	/* find next free window number for extra viewport */
	while (FindWindowById(WC_EXTRA_VIEWPORT, i) != nullptr) i++;

	new ExtraViewportWindow(_extra_viewport_desc, i, tile);
}

/**
 * Show a new Extra Viewport window.