bool GameStateManager::update(const GameData& _data)
{
bool success = false;
//if there is a state
if (activeState())
{
//allow states to request program end (returning false)
success = activeState()->update(_data);
executeActionQueue();
}
return success;
}
//TODO: this destroys the stack if you try to pop to a state not in it, should just use a list instead of a stack
void StateManager::popToState(GameState *state) {
while (state != activeState()) {
if (_states.empty()) {
throw std::runtime_error("Can't pop to state not in the stack.");
} else {
popState();
}
}
}
void StateManager::popState() {
GameState *topState = activeState();
topState->becomeInactive();
_states.pop();
if (!_states.empty()) {
_states.top()->becomeActive();
}
lcl_log(lcl_cState, lcl_vTrace, "Popped a state: %ld left", _states.size());
}
