SceneManager.hh

#pragma once
 
#include "egg/core/Scene.hh"
#include "egg/core/SceneCreator.hh"
 
namespace Host {
 
class Context;
 
} // namespace Host
 
namespace EGG {
 
class SceneManager {
    friend class Host::Context;
 
public:
    /*------------*
        Lifecycle
     *------------*/
 
    SceneManager(SceneCreator *creator = nullptr);
    virtual ~SceneManager();
 
    /*----------*
        Virtual
     *----------*/
 
    virtual void calc();
    virtual void calcCurrentScene();
 
    /*----------*
        Methods
     *----------*/
 
    void createChildScene(int nextSceneId, Scene *parent);
    void createScene(int nextSceneId, Scene *parent);
    void destroyScene(Scene *scene);
 
    void changeScene(int nextSceneId);
    void changeSiblingScene(int nextSceneId);
    void changeSiblingScene();
    void incomingCurrentScene();
    void outgoingParentScene(Scene *parent);
    void reinitCurrentScene();
 
    bool destroyCurrentSceneNoIncoming(bool destroyRootIfNoParent);
    bool destroyToSelectSceneId(int nextSceneId);
    [[nodiscard]] Scene *findParentScene(int id) const;
    void setupNextSceneId();
 
    /*----------*
        Getters
     *----------*/
 
    [[nodiscard]] Scene *currentScene() const {
        return m_currentScene;
    }
 
    [[nodiscard]] int currentSceneId() const {
        return m_currentSceneId;
    }
 
    [[nodiscard]] static Heap *heapForCreateScene() {
        return s_heapForCreateScene;
    }
 
    /*----------*
        Setters
     *----------*/
 
    void setNextSceneId(int id) {
        m_nextSceneId = id;
    }
 
    static void SetRootHeap(Heap *heap) {
        s_rootHeap = heap;
    }
 
private:
    /*----------*
        Members
     *----------*/
 
    SceneCreator *m_creator;
    Scene *m_currentScene;
    int m_nextSceneId;
    int m_currentSceneId;
    int m_prevSceneId;
 
    static Heap *s_heapForCreateScene;
    static u16 s_heapOptionFlg;
 
    static Heap *s_rootHeap;
};
 
} // namespace EGG