Scene.hpp

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#pragma once
#ifndef ENIGMA_SCENE_H
#define ENIGMA_SCENE_H
 
#include <Core/Core.hpp>
#include <Logger/Logger.hpp>
 
#include <Events/ApplicationEvent.hpp>
#include <Events/Event.hpp>
#include <Events/EventDispatcher.hpp>
#include <Events/KeyEvent.hpp>
#include <Events/MouseEvent.hpp>
 
#include <mutex>
 
NS_ENIGMA_BEGIN
/*
*   Scene Abstract class
*/
class Scene {
  public:
    friend class Application;
 
    ENIGMA_NON_COPYABLE(Scene);
    ENIGMA_NON_MOVEABLE(Scene);
 
  public:
    Scene() noexcept;
    virtual ~Scene() noexcept = default;
 
    /* Scene Life Cycle */
    virtual void OnCreate() = 0;
    virtual void OnEvent(Event& event) = 0;
    virtual void OnUpdate(const float& dt) = 0;
    virtual void OnDraw() = 0;
    virtual void OnImGuiDraw() = 0;
    virtual void OnDestroy() = 0;
 
  public: /*Accessors*/
    const bool WantsToQuit() const noexcept { return m_quit; }
    const bool IsLoading() const noexcept { return m_isLoading; }
    std::mutex& GetMutex() noexcept { return m_mutex; }
 
  public: /*Modifiers*/
    void EndScene() noexcept { m_quit = true; }
    void SetLoading(const bool loading) noexcept { m_isLoading = loading; }
 
  protected:
    std::mutex m_mutex{}; // each scene has a mutex, which will guard code running by worker thread separated from UI main thread. | used by std::scoped_lock
    bool m_quit{};
    bool m_isLoading{};
};
 
NS_ENIGMA_END
 
#endif // !ENIGMA_SCENE_H