Function InvalidateWindowClassesData

src/window.cpp:3314–3321

* Mark window data of all windows of a given class as invalid (in need of re-computing) * Note that by default the invalidation is not considered to be called from GUI scope. * See InvalidateWindowData() for details on GUI-scope vs. command-scope. * @param cls Window class * @param data The data to invalidate with * @param gui_scope Whether the call is done from GUI scope */

 * @param gui_scope Whether the call is done from GUI scope
 */
void InvalidateWindowClassesData(WindowClass cls, int data, bool gui_scope)
{
	for (Window *w : Window::Iterate()) {
		if (w->window_class == cls) {
			w->InvalidateData(data, gui_scope);
		}
	}
}

/**
 * Dispatch OnGameTick event over all windows