StateManager.cpp

#include <Flow/StateManager.hpp>
#include <Flow/GameStateGame.hpp>
#include <Flow/GameStateMainMenu.hpp>
#include <Flow/InputManager.hpp>
#include <Misc/Utils.hpp>
#include <Config/Globals.hpp>
 
StateManager::StateManager():
    currentState(NULL),
    sharedInfo(0)
{
    // The first state, Hardcoded
    this->currentState = new GameStateMainMenu();
    this->currentState->load();
}
StateManager::~StateManager()
{
    if (this->currentState)
        this->currentState->unload();
 
    SAFE_DELETE(this->currentState);
}
void StateManager::run()
{
    bool letsQuit = false;
 
    while (!letsQuit)
    {
        InputManager::update();
 
        // Updating the whole state.
        // This value is returned from it tell us if
        // we need to switch from the current state.
        GameState::StateCode whatToDoNow;
 
        whatToDoNow = this->currentState->update();
 
        switch (whatToDoNow)
        {
        case GameState::CONTINUE:
            // Just continue on the current state.
            break;
 
        case GameState::QUIT:
            this->currentState->unload();
            delete this->currentState;
            this->currentState = NULL;
 
            letsQuit = true;
            break;
 
        case GameState::GAME_START:
        {
            this->currentState->unload();
            delete this->currentState;
 
            this->currentState = new GameStateGame();
            this->currentState->load();
            break;
        }
 
        case GameState::MAIN_MENU:
        {
            this->currentState->unload();
            delete this->currentState;
 
            this->currentState = new GameStateMainMenu();
            this->currentState->load();
            break;
        }
 
        default:
            break;
        }
 
        if (this->currentState)
            this->currentState->draw();
 
        Utils::Time::delay_ms(100);
    }
 
    // // Right before quitting, we must save current
    // // user's settings
    // Globals::saveSettings();
 
    // // And set the current profile as the default
    // // to load next time.
    // INI ini;
    // if (! ini.load(Globals::Config::file))
    //  ini.create();
 
    // ini.set("profiles:default", Globals::Profiles::current->name);
    // ini.save(Globals::Config::file);
}