游戏.主框架代码模型

/**************************************************
WinMain.cpp
游戏程序框架模型
blog:
http://blog.csdn.net/chinayaosir
**************************************************/

// Include files
#include <windows.h>
#include <stdio.h>

// Window handles, class and caption text
HWND          g_hWnd;
HINSTANCE     g_hInst;
static char   g_szClass[]   = "ShellClass";
static char   g_szCaption[] = "Shell Application";

// Function prototypes
int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev,          /
                   LPSTR szCmdLine, int nCmdShow);
long FAR PASCAL WindowProc(HWND hWnd, UINT uMsg,              /
                           WPARAM wParam, LPARAM lParam);

BOOL DoInit();
BOOL DoFrame();
BOOL DoShutdown();


int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev,          /
                   LPSTR szCmdLine, int nCmdShow)
{
  WNDCLASSEX wcex;
  MSG        Msg;

  g_hInst = hInst;

  // Create the window class here and register it
  wcex.cbSize        = sizeof(wcex);
  wcex.style         = CS_CLASSDC;
  wcex.lpfnWndProc   = WindowProc;
  wcex.cbClsExtra    = 0;
  wcex.cbWndExtra    = 0;
  wcex.hInstance     = hInst;
  wcex.hIcon         = LoadIcon(NULL, IDI_APPLICATION);
  wcex.hCursor       = LoadCursor(NULL, IDC_ARROW);
  wcex.hbrBackground = NULL;
  wcex.lpszMenuName  = NULL;
  wcex.lpszClassName = g_szClass;
  wcex.hIconSm       = LoadIcon(NULL, IDI_APPLICATION);
  if(!RegisterClassEx(&wcex))
    return FALSE;

  // Create the Main Window
  g_hWnd = CreateWindow(g_szClass, g_szCaption,
        WS_CAPTION | WS_SYSMENU,
        0, 0, 400, 400,
        NULL, NULL,
        hInst, NULL );
  if(!g_hWnd)
    return FALSE;
  ShowWindow(g_hWnd, SW_NORMAL);
  UpdateWindow(g_hWnd);

  // Run init function and return on error
  if(DoInit() == FALSE)
    return FALSE;

  // Start message pump, waiting for signal to quit
  ZeroMemory(&Msg, sizeof(MSG));
  while(Msg.message != WM_QUIT) {
    if(PeekMessage(&Msg, NULL, 0, 0, PM_REMOVE)) {
      TranslateMessage(&Msg);
      DispatchMessage(&Msg);
    }
    if(DoFrame() == FALSE)
      break;
  }

  // Run shutdown function
  DoShutdown();
 
  UnregisterClass(g_szClass, hInst);

  return Msg.wParam;
}

long FAR PASCAL WindowProc(HWND hWnd, UINT uMsg,              /
                           WPARAM wParam, LPARAM lParam)
{
  switch(uMsg) {
    case WM_DESTROY:
      PostQuitMessage(0);
      return 0;

  }

  return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

BOOL DoInit()
{
  return TRUE;
}

BOOL DoShutdown()
{
  return TRUE;
}

BOOL DoFrame()
{
  return TRUE;
}