www.pudn.com > Chap16.rar > GameEngine.h

//----------------------------------------------------------------- 
// Game Engine Object 
// C++ Header - GameEngine.h 
//----------------------------------------------------------------- 
 
#pragma once 
 
//----------------------------------------------------------------- 
// Include Files 
//----------------------------------------------------------------- 
#include  
#include  
#include  
using namespace std; 
#include "Sprite.h" 
 
//----------------------------------------------------------------- 
// Joystick Flags 
//----------------------------------------------------------------- 
typedef WORD    JOYSTATE; 
const JOYSTATE  JOY_NONE  = 0x0000L, 
                JOY_LEFT  = 0x0001L, 
                JOY_RIGHT = 0x0002L, 
                JOY_UP    = 0x0004L, 
                JOY_DOWN  = 0x0008L, 
                JOY_FIRE1 = 0x0010L, 
                JOY_FIRE2 = 0x0020L; 
 
//----------------------------------------------------------------- 
// Windows Function Declarations 
//----------------------------------------------------------------- 
int WINAPI        WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, 
                    PSTR szCmdLine, int iCmdShow); 
LRESULT CALLBACK  WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); 
 
//----------------------------------------------------------------- 
// Game Engine Function Declarations 
//----------------------------------------------------------------- 
BOOL GameInitialize(HINSTANCE hInstance); 
void GameStart(HWND hWindow); 
void GameEnd(); 
void GameActivate(HWND hWindow); 
void GameDeactivate(HWND hWindow); 
void GamePaint(HDC hDC); 
void GameCycle(); 
void HandleKeys(); 
void MouseButtonDown(int x, int y, BOOL bLeft); 
void MouseButtonUp(int x, int y, BOOL bLeft); 
void MouseMove(int x, int y); 
void HandleJoystick(JOYSTATE jsJoystickState); 
BOOL SpriteCollision(Sprite* pSpriteHitter, Sprite* pSpriteHittee); 
 
//----------------------------------------------------------------- 
// GameEngine Class 
//----------------------------------------------------------------- 
class GameEngine 
{ 
protected: 
  // Member Variables 
  static GameEngine*  m_pGameEngine; 
  HINSTANCE           m_hInstance; 
  HWND                m_hWindow; 
  TCHAR               m_szWindowClass[32]; 
  TCHAR               m_szTitle[32]; 
  WORD                m_wIcon, m_wSmallIcon; 
  int                 m_iWidth, m_iHeight; 
  int                 m_iFrameDelay; 
  BOOL                m_bSleep; 
  UINT                m_uiJoystickID; 
  RECT                m_rcJoystickTrip; 
  vector     m_vSprites; 
  UINT                m_uiMIDIPlayerID; 
 
  // Helper Methods 
  BOOL                CheckSpriteCollision(Sprite* pTestSprite); 
 
public: 
  // Constructor(s)/Destructor 
          GameEngine(HINSTANCE hInstance, LPTSTR szWindowClass, LPTSTR szTitle, 
            WORD wIcon, WORD wSmallIcon, int iWidth = 640, int iHeight = 480); 
  virtual ~GameEngine(); 
 
  // General Methods 
  static GameEngine*  GetEngine() { return m_pGameEngine; }; 
  BOOL                Initialize(int iCmdShow); 
  LRESULT             HandleEvent(HWND hWindow, UINT msg, WPARAM wParam, 
                        LPARAM lParam); 
  void                ErrorQuit(LPTSTR szErrorMsg); 
  BOOL                InitJoystick(); 
  void                CaptureJoystick(); 
  void                ReleaseJoystick(); 
  void                CheckJoystick(); 
  void                AddSprite(Sprite* pSprite); 
  void                DrawSprites(HDC hDC); 
  void                UpdateSprites(); 
  void                CleanupSprites(); 
  Sprite*             IsPointInSprite(int x, int y); 
  void                PlayMIDISong(LPTSTR szMIDIFileName = TEXT(""), 
                        BOOL bRestart = TRUE); 
  void                PauseMIDISong(); 
  void                CloseMIDIPlayer(); 
 
  // Accessor Methods 
  HINSTANCE GetInstance() { return m_hInstance; }; 
  HWND      GetWindow() { return m_hWindow; }; 
  void      SetWindow(HWND hWindow) { m_hWindow = hWindow; }; 
  LPTSTR    GetTitle() { return m_szTitle; }; 
  WORD      GetIcon() { return m_wIcon; }; 
  WORD      GetSmallIcon() { return m_wSmallIcon; }; 
  int       GetWidth() { return m_iWidth; }; 
  int       GetHeight() { return m_iHeight; }; 
  int       GetFrameDelay() { return m_iFrameDelay; }; 
  void      SetFrameRate(int iFrameRate) { m_iFrameDelay = 1000 / 
              iFrameRate; }; 
  BOOL      GetSleep() { return m_bSleep; }; 
  void      SetSleep(BOOL bSleep) { m_bSleep = bSleep; }; 
};