//Dave Seneker and Dan (Luisa) Lu
//Introduction header file

#ifndef __INTRO_H__
#define __INTRO_H__

#include "game.h"
#include "texturemap.h"

//---------------------------------------------------------------------
//                            Inpnut
//
//! Class to encapsulate all game data
//
//---------------------------------------------------------------------
class Intro {

 public:
  Intro();
  virtual ~Intro();

  //! default game window size and title
  static const int DEFAULT_WINDOW_WIDTH  = 640;
  static const int DEFAULT_WINDOW_HEIGHT = 480;
  static const int MIN_WINDOW_SIZE = 5;
  static const char* WINDOW_TITLE;
  static const char* INTROFILE;
  static const char* SNAPSHOT_FILENAME;

  //! initialize game data
  bool Init(Game *);

  //! exectute main game loop
  void Run();

  //! the 6 skybox textures
  //enum IntroTextureEnum {
  // INTRO = 0,
  // NUM_INTRO_TEXTURES
  //};

  // Access the current intro texture
  //TextureMap& GetTextureMap(IntroTextureEnum whichMap)
  //  { assert (whichMap<NUM_INTRO_TEXTURES);  return IntroTexture[whichMap]; }
  TextureMap& GetTextureMap() {return IntroTexture;}

private:

  //! initialize main window
  bool InitWindow();


  //! renders world contents to windows
  void Render();

  //! update game state for single game loop iteration  
  void UpdateState();

  bool ReadIntro(const char *);

  //! resize window
  void ReshapeWindow(int w, int h);
  
  //! process keyboard events
  void ProcessKeyDown(unsigned char key, int w, int h);
  void ProcessKeyUp(unsigned char key, int w, int h);
  
  void LoadNewFrame(char *);

  //! callback processing
  static Intro* s_pIntro;
  Game* s_pGame;//pointer to the class that takes control after the intro
  static void DisplayCB()             { s_pIntro->Render(); }
  static void IdleCB()                { s_pIntro->UpdateState(); }
  static void ReshapeCB(int w, int h) { s_pIntro->ReshapeWindow(w, h); }
  static void KeyDownCB(unsigned char key, int x, int y)
                    { s_pIntro->ProcessKeyDown(key, x, y); }
  static void KeyUpCB(unsigned char key, int x, int y)
                    { s_pIntro->ProcessKeyUp(key, x, y); }
  static void SKeyDownCB(int key, int x, int y)
                    { s_pIntro->ProcessKeyDown(key, x, y); }
  static void SKeyUpCB(int key, int x, int y)
                    { s_pIntro->ProcessKeyUp(key, x, y); }

  bool CaptureImage(const char *filename);

  

  //! main window identifier
  int mainWindow;

  //! stores window size in pixels
  unsigned short iWindowWidth;
  unsigned short iWindowHeight;

  //! data filenames
  static const int MAX_LEN = 256;
  static const int MAX_FRAMES = 50;//how many frames can be in the intro
  char *introFilenames[MAX_FRAMES];
  int introTimes[MAX_FRAMES];
  int numintroframes;
  int introendtime;

  int starttime;
  int totaltime;
  float    timeElapsed;    //!< time elapsed since last update (sec)
  bool skipintro;
  bool menureturned;

  int introstate;
  int menuitem;

  int menux,menuy,menuxsize,menuysize,menuincrement;

  char *startmenuimage;

  TextureMap IntroTexture;


};

#endif // __GAME_H__