#ifndef INCLUDED_SCENE_GRAPH_ROOT
#define INCLUDED_SCENE_GRAPH_ROOT

#include "SceneGraph.h"
#include "SceneGraphArray.h"
#include "Camera.h"
#include "SceneGraphIterator.h"
#include "Application.h"
#include "SceneGraphList.h"
#include "SgStruct.h"
#include "TaskManager.h"
#include <sys/types.h>

typedef struct {
    caddr_t file_mmap;
    off_t size;
} st_mmap_t;

class SceneGraphRoot {
public:
    /* Constructor, Destructor */
    SceneGraphRoot(float w, float h);
    ~SceneGraphRoot(void);

    /* Variables */
    TaskManager *tmanager;
    
    // sgid と name を持った SgStruct のリスト
    SceneGraphList *sglist;

    // xml から読み込んだ、オリジナルの SceneGraph
    SceneGraphPtr *sg_src;

    // move, collision 用の SceneGraph (tree)
    SceneGraphPtr sg_exec_tree;

    // 描画用の SceneGraph List (tree)
    SceneGraphPtr sg_draw_tree;

    // sg_exec_tree に対応する list
    SceneGraphPtr sg_available_list;

    // sg_draw_tree に対応する list
    // draw_tree は描画後削除される
    SceneGraphPtr sg_remove_list;

    SceneGraphArrayPtr sg_array1;
    SceneGraphArrayPtr sg_array2;
    SceneGraphArrayPtr sg_curArray;

    // コントローラーオブジェクト (Keyboard, Joystick, ..)
    Pad *controller;

    // カメラオブジェクト
    Camera *camera;

    // SceneGraphIterator
    SceneGraphIteratorPtr iterator;

    /**
     * Functions
     */
    /* User API */
    void createFromXMLfile(TaskManager *manager, const char *);
    //void createFromXMLmemory(TaskManager *manager, const char *xml);
    //void createFromXMLmemory(TaskManager *manager, st_mmap_t mmap_t);
    const char *createFromXMLmemory(TaskManager *manager, char *data, int len);
    SceneGraphPtr createSceneGraph(int id);
    SceneGraphPtr createSceneGraph(void);
    SceneGraphPtr createSceneGraph(const char *name);
    void setSceneData(SceneGraphPtr sg);
    Pad *getController(void);
    SceneGraphIteratorPtr getIterator(void);
    SceneGraphIteratorPtr getIterator(SceneGraphPtr list);
    CameraPtr getCamera(void);

    /* Other System API */
    void allExecute(int screen_w, int screen_h);
    void checkRemove(void);
    SceneGraphPtr getExecuteSceneGraph(void);
    SceneGraphPtr getDrawSceneGraph(void);
    void updateControllerState(void);

    void speExecute(int screen_w, int screen_h);
    void speExecute(int screen_w, int screen_h, Application *app);

    /* System API */
    void registSceneGraph(SceneGraphPtr sg);
    void registSceneGraphList(SceneGraphPtr sg);
    void addSceneGraphList(TaskManager *manager, SceneGraphPtr tmp);
    void addNext(SceneGraphPtr sg);
    void allRemove(SceneGraphPtr list);
};

typedef SceneGraphRoot *SceneGraphRootPtr;

#endif

// 大域変数は無くすこと
extern SceneGraphRootPtr sgroot;
extern SceneGraphRootPtr sgroot_2;