cocos2d-x从零入门03---依然是贺岁篇

int CCApplication::run() {     PVRFrameEnableControlWindow(false);      // Main message loop:     MSG msg;     LARGE_INTEGER nFreq;     LARGE_INTEGER nLast;     LARGE_INTEGER nNow;      QueryPerformanceFrequency(&nFreq);     QueryPerformanceCounter(&nLast);      // Initialize instance and cocos2d.     //看到了吧，这里初始化实例，再找到其定义     if (!applicationDidFinishLaunching())     {         return 0;     }          //关键在这里啊，亲，进来看看呗     CCEGLView* pMainWnd = CCEGLView::sharedOpenGLView();     pMainWnd->centerWindow();      //显示窗口     ShowWindow(pMainWnd->getHWnd(), SW_SHOW);      //windows程序的消息循环，哈哈，找到你了     while (1)     {         if (! PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))         {             // Get current time tick.             QueryPerformanceCounter(&nNow);              // If it's the time to draw next frame, draw it, else sleep a while.             if (nNow.QuadPart - nLast.QuadPart > m_nAnimationInterval.QuadPart)             {                 nLast.QuadPart = nNow.QuadPart;                 CCDirector::sharedDirector()->mainLoop();             }             else             {                 Sleep(0);             }             continue;         }          if (WM_QUIT == msg.message)         {             // Quit message loop.             break;         }          // Deal with windows message.         if (! m_hAccelTable || ! TranslateAccelerator(msg.hwnd, m_hAccelTable, &msg))         {             TranslateMessage(&msg);             DispatchMessage(&msg);         }     }      return (int) msg.wParam; }  

CCEGLView* CCEGLView::sharedOpenGLView() {     //如果空就new一个     static CCEGLView* s_pEglView = NULL;     if (s_pEglView == NULL)     {         //新建         s_pEglView = new CCEGLView();     }     return s_pEglView; } 

//注册窗口类并创建窗口 bool CCEGLView::Create(LPCTSTR pTitle, int w, int h) {     bool bRet = false;     do      {         CC_BREAK_IF(m_hWnd);          HINSTANCE hInstance = GetModuleHandle( NULL );         WNDCLASS  wc;        // Windows Class Structure          // Redraw On Size, And Own DC For Window.         wc.style          = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;           wc.lpfnWndProc    = _WindowProc;                    // WndProc Handles Messages         wc.cbClsExtra     = 0;                              // No Extra Window Data         wc.cbWndExtra     = 0;                                // No Extra Window Data         wc.hInstance      = hInstance;                        // Set The Instance         wc.hIcon          = LoadIcon( NULL, IDI_WINLOGO );    // Load The Default Icon         wc.hCursor        = LoadCursor( NULL, IDC_ARROW );    // Load The Arrow Pointer         wc.hbrBackground  = NULL;                           // No Background Required For GL         wc.lpszMenuName   = m_menu;                         //          wc.lpszClassName  = kWindowClassName;               // Set The Class Name          CC_BREAK_IF(! RegisterClass(&wc) && 1410 != GetLastError());                  // center window position         RECT rcDesktop;         GetWindowRect(GetDesktopWindow(), &rcDesktop);          WCHAR wszBuf[50] = {0};         MultiByteToWideChar(CP_UTF8, 0, m_szViewName, -1, wszBuf, sizeof(wszBuf));          // create window         m_hWnd = CreateWindowEx(             WS_EX_APPWINDOW | WS_EX_WINDOWEDGE,    // Extended Style For The Window             kWindowClassName,                                    // Class Name             wszBuf,                                                // Window Title             WS_CAPTION | WS_POPUPWINDOW | WS_MINIMIZEBOX,        // Defined Window Style             0, 0,                                                // Window Position             0,                                                  // Window Width             0,                                                  // Window Height             NULL,                                                // No Parent Window             NULL,                                                // No Menu             hInstance,                                            // Instance             NULL );          CC_BREAK_IF(! m_hWnd);          resize(w, h);          bRet = initGL();         CC_BREAK_IF(!bRet);                  s_pMainWindow = this;         bRet = true;     } while (0);      return bRet; } 

//窗口处理函数 LRESULT CCEGLView::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) {     BOOL bProcessed = FALSE;      switch (message)     {     case WM_LBUTTONDOWN:         if (m_pDelegate && MK_LBUTTON == wParam)         {             POINT point = {(short)LOWORD(lParam), (short)HIWORD(lParam)};             CCPoint pt(point.x/CC_CONTENT_SCALE_FACTOR(), point.y/CC_CONTENT_SCALE_FACTOR());             CCPoint tmp = ccp(pt.x, m_obScreenSize.height - pt.y);             if (m_obViewPortRect.equals(CCRectZero) || m_obViewPortRect.containsPoint(tmp))             {                 m_bCaptured = true;                 SetCapture(m_hWnd);                 int id = 0;                 pt.x *= m_windowTouchScaleX;                 pt.y *= m_windowTouchScaleY;                 handleTouchesBegin(1, &id, &pt.x, &pt.y);             }         }         break;      case WM_MOUSEMOVE:         if (MK_LBUTTON == wParam && m_bCaptured)         {             POINT point = {(short)LOWORD(lParam), (short)HIWORD(lParam)};             CCPoint pt(point.x/CC_CONTENT_SCALE_FACTOR(), point.y/CC_CONTENT_SCALE_FACTOR());             int id = 0;             pt.x *= m_windowTouchScaleX;             pt.y *= m_windowTouchScaleY;             handleTouchesMove(1, &id, &pt.x, &pt.y);         }         break;      case WM_LBUTTONUP:         if (m_bCaptured)         {             POINT point = {(short)LOWORD(lParam), (short)HIWORD(lParam)};             CCPoint pt(point.x/CC_CONTENT_SCALE_FACTOR(), point.y/CC_CONTENT_SCALE_FACTOR());             int id = 0;             pt.x *= m_windowTouchScaleX;             pt.y *= m_windowTouchScaleY;             handleTouchesEnd(1, &id, &pt.x, &pt.y);              ReleaseCapture();             m_bCaptured = false;         }         break;     case WM_SIZE:         switch (wParam)         {         case SIZE_RESTORED:             CCApplication::sharedApplication()->applicationWillEnterForeground();             break;         case SIZE_MINIMIZED:             CCApplication::sharedApplication()->applicationDidEnterBackground();             break;         }         break;     case WM_KEYDOWN:         if (wParam == VK_F1 || wParam == VK_F2)         {             CCDirector* pDirector = CCDirector::sharedDirector();             if (GetKeyState(VK_LSHIFT) < 0 ||  GetKeyState(VK_RSHIFT) < 0 || GetKeyState(VK_SHIFT) < 0)                 pDirector->getKeypadDispatcher()->dispatchKeypadMSG(wParam == VK_F1 ? kTypeBackClicked : kTypeMenuClicked);         }         if ( m_lpfnAccelerometerKeyHook!=NULL )         {             (*m_lpfnAccelerometerKeyHook)( message,wParam,lParam );         }         break;     case WM_KEYUP:         if ( m_lpfnAccelerometerKeyHook!=NULL )         {             (*m_lpfnAccelerometerKeyHook)( message,wParam,lParam );         }         break;     case WM_CHAR:         {             if (wParam < 0x20)             {                 if (VK_BACK == wParam)                 {                     CCIMEDispatcher::sharedDispatcher()->dispatchDeleteBackward();                 }                 else if (VK_RETURN == wParam)                 {                     CCIMEDispatcher::sharedDispatcher()->dispatchInsertText("\n", 1);                 }                 else if (VK_TAB == wParam)                 {                     // tab input                 }                 else if (VK_ESCAPE == wParam)                 {                     // ESC input                     //CCDirector::sharedDirector()->end();                 }             }             else if (wParam < 128)             {                 // ascii char                 CCIMEDispatcher::sharedDispatcher()->dispatchInsertText((const char *)&wParam, 1);             }             else             {                 char szUtf8[8] = {0};                 int nLen = WideCharToMultiByte(CP_UTF8, 0, (LPCWSTR)&wParam, 1, szUtf8, sizeof(szUtf8), NULL, NULL);                 CCIMEDispatcher::sharedDispatcher()->dispatchInsertText(szUtf8, nLen);             }             if ( m_lpfnAccelerometerKeyHook!=NULL )             {                 (*m_lpfnAccelerometerKeyHook)( message,wParam,lParam );             }         }         break;     case WM_PAINT:         PAINTSTRUCT ps;         BeginPaint(m_hWnd, &ps);         EndPaint(m_hWnd, &ps);         break;      case WM_CLOSE:         CCDirector::sharedDirector()->end();         break;      case WM_DESTROY:         destroyGL();         PostQuitMessage(0);         break;      default:         if (m_wndproc)         {                          m_wndproc(message, wParam, lParam, &bProcessed);             if (bProcessed) break;         }         return DefWindowProc(m_hWnd, message, wParam, lParam);     }      if (m_wndproc && !bProcessed)     {         m_wndproc(message, wParam, lParam, &bProcessed);     }     return 0; }