StateManager.h

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#pragma once
#include <memory>
#include <stack>
#include "State.h"
#include "MainMenuState.h"
#include "IntroState.h"
#include "ChapterOneState.h"
#include "PauseMenuState.h"
#include "SettingMenuState.h"
#include "CutsceneState.h"
 
class StateManager
{
public:
    void changeState(std::unique_ptr<State> newState);
    void applyPendingState();
    void pushState(std::unique_ptr<State> newState);   
    void popState();  
    State* currentState();
    bool isEmpty() const { return stateStack.empty(); }

    void update(sf::RenderWindow& window, StateManager& stateManager);
    void render(sf::RenderWindow& window);
 
private:
    std::stack<std::unique_ptr<State>> stateStack;
    std::unique_ptr<State> pendingState;  
};