/**
* Resets the status of all the Surface child elements,
* like unpressing buttons.
*/
void State::resetAll()
{
for (std::vector<Surface*>::iterator i = _surfaces.begin(); i != _surfaces.end(); ++i)
{
InteractiveSurface *s = dynamic_cast<InteractiveSurface*>(*i);
if (s != 0)
{
s->unpress(this);
}
}
}
/**
* The state machine takes care of passing all the events from SDL to the
* active state, running any code within and blitting all the states and
* cursor to the screen. This is run indefinitely until the game quits.
*/
void Game::run()
{
while (!_quit)
{
// Clean up states
while (!_deleted.empty())
{
delete _deleted.back();
_deleted.pop_back();
}
// Initialize active state
if (!_init)
{
_states.back()->init();
_init = true;
// Unpress buttons
for (std::vector<Surface*>::iterator i = _states.back()->getSurfaces()->begin(); i < _states.back()->getSurfaces()->end(); i++)
{
InteractiveSurface *s = dynamic_cast<InteractiveSurface*>(*i);
if (s != 0)
{
s->unpress(_states.back());
}
}
// Refresh mouse position
SDL_Event ev;
int x, y;
SDL_GetMouseState(&x, &y);
ev.type = SDL_MOUSEMOTION;
ev.motion.x = x;
ev.motion.y = y;
Action action = Action(&ev, _screen->getXScale(), _screen->getYScale());
_states.back()->handle(&action);
}
// Process events
while (SDL_PollEvent(&_event))
{
if (_event.type == SDL_QUIT)
{
_quit = true;
}
else
{
Action action = Action(&_event, _screen->getXScale(), _screen->getYScale());
_screen->handle(&action);
_cursor->handle(&action);
_fpsCounter->handle(&action);
_states.back()->handle(&action);
}
}
// Process logic
_fpsCounter->think();
_states.back()->think();
// Process rendering
if (_init)
{
_screen->clear();
std::list<State*>::iterator i = _states.end();
do
{
i--;
}
while(i != _states.begin() && !(*i)->isScreen());
for (; i != _states.end(); i++)
{
(*i)->blit();
}
_fpsCounter->blit(_screen->getSurface());
_cursor->blit(_screen->getSurface());
}
_screen->flip();
SDL_Delay(0);
}
}