win32编程 C++ 九格拼图游戏



#include <windows.h>
#include <string>
#include <ctime>

HDC windowDC = NULL;//窗口DC
RECT rect;
HDC memDC =NULL;//记忆DC
HWND     hwnd ;
HFONT Font;//字体物件

HDC flowerDC=NULL;//鲜花图片DC
HBITMAP flower=NULL;

UINT width;//屏幕宽
UINT height;//屏幕高

int Role_Status;//运动方向
bool isWin = false;
//定义运动方向
#define Role_UP 0
#define Role_DOWN 1
#define Role_LEFT 2
#define Role_RIGHT 3

char * ch ="尤一炜是个傻冒。";

int character[3][3]={{3,2,0},
      {4,8,1},
      {5,6,7}};

//int character[3][3]={{0,1,2},
//     {3,7,5},
//     {6,4,8}};

//空白图片所在的位置
int focusX=1;
int focusY=1;

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
void DoMain(void);//主循环
void Move(void);//移动主角
void ClearScr(void);//清屏
void ShowScr(void);//显示屏幕
void showFlower(void);//显示鲜花
void swap(int &a,int &b);
bool checkWin(void);

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
     PSTR szCmdLine, int iCmdShow)
{
 static TCHAR szAppName[] = TEXT ("尤一炜是个傻冒。") ;
 MSG      msg ;
 WNDCLASS wndclass ;
 wndclass.style        = CS_HREDRAW | CS_VREDRAW ;
 wndclass.lpfnWndProc  = WndProc ;//回调消息处理函数
 wndclass.cbClsExtra   = 0 ;
 wndclass.cbWndExtra   = 0 ;
 wndclass.hInstance    = hInstance ;
 //wndclass.hIcon        = LoadIcon (NULL, IDI_APPLICATION) ;//窗口图标
 wndclass.hIcon        = LoadIcon (hInstance, "QQ.ico") ;//窗口图标
 wndclass.hCursor      = LoadCursor (NULL, IDC_ARROW) ;
 wndclass.hbrBackground= (HBRUSH) GetStockObject (WHITE_BRUSH) ;
 wndclass.lpszMenuName = NULL ;
 wndclass.lpszClassName= szAppName ;
 if (!RegisterClass (&wndclass))
 {
  MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
   szAppName, MB_ICONERROR) ;
  return 0 ;
 }

 width=GetSystemMetrics(SM_CXSCREEN);
 height= GetSystemMetrics(SM_CYSCREEN);
 hwnd = CreateWindow( szAppName,      // window class name
  TEXT ("尤一炜是个傻冒。"),   // window caption
  WS_OVERLAPPEDWINDOW,  // window style
  width/2-150,// initial x position
  height/2-150,// initial y position
  316,// initial x size
  337,// initial y size
  NULL,                 // parent window handle
  NULL,            // window menu handle
  hInstance,   // program instance handle
  NULL) ;      // creation parameters
 ShowWindow (hwnd, iCmdShow) ;
 UpdateWindow (hwnd) ;

 windowDC=GetDC(hwnd);
 //创建字体
 Font=CreateFont(100,
  0,
  0,
  0,
  400,
  FALSE,
  FALSE,
  0,
  GB2312_CHARSET,
  OUT_DEFAULT_PRECIS,
  CLIP_DEFAULT_PRECIS,
  DEFAULT_QUALITY,
  DEFAULT_PITCH|FF_SWISS,
  "黑体");
 SelectObject(windowDC,Font);
 SetBkMode(windowDC,TRANSPARENT);
 SetTextColor(windowDC,RGB(0,0,255));
 flowerDC=CreateCompatibleDC(windowDC);
 flower=CreateCompatibleBitmap(windowDC,width,height);
 flower=(HBITMAP)LoadImage(NULL,"flower.bmp",IMAGE_BITMAP,310,310,LR_LOADFROMFILE);
 SelectObject(flowerDC,flower);

 //启动前选让电脑随机走100步，打乱图片
 srand((unsigned)time(0));
 for(int i =0;i < 100;i++)
 {
  Role_Status = rand () % 4;
  Move();
 }
 ShowScr();
 while (GetMessage (&msg, NULL, 0, 0))
 {
  TranslateMessage (&msg) ;
  DispatchMessage (&msg) ;
  if(false==isWin)
  {
   ClearScr();
   DoMain();
   ShowScr();
   if(checkWin())
   {
    showFlower();//游戏结束，显示鲜花图片
   }
  }
 }
 return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
 HDC         hdc ;
 PAINTSTRUCT ps ;
 RECT        rect ;
 switch (message)
 {
 case WM_PAINT:
  hdc = BeginPaint (hwnd, &ps) ;
  GetClientRect (hwnd, &rect) ;
  //DrawText (hdc, TEXT ("Hello, Windows 98!"), -1, &rect,
  // DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
  EndPaint (hwnd, &ps) ;
  //return 0 ;
  break;

 case WM_CLOSE:
  if(IDYES==MessageBox(hwnd,"确定结束游戏？","确定结束游戏？",MB_YESNO))
  {
   DestroyWindow(hwnd);
  }
  break;
 case WM_DESTROY:
  PostQuitMessage (0) ;
  break;
 default:
  return DefWindowProc(hwnd,message,wParam,lParam);
 }
 return 0 ;
}

void DoMain(void)
{

 if(GetAsyncKeyState(VK_UP)<0)//获取按键状态：上
 {
  Role_Status=Role_UP;
  Move();
 }

 if(GetAsyncKeyState(VK_DOWN)<0)//获取按键状态：下
 {
  Role_Status=Role_DOWN;
  Move();
 }

 if(GetAsyncKeyState(VK_LEFT)<0)//获取按键状态：左
 {
  Role_Status=Role_LEFT;
  Move();
 }

 if(GetAsyncKeyState(VK_RIGHT)<0)//获取按键状态：右
 {
  Role_Status=Role_RIGHT;
  Move();
 }

 if(GetAsyncKeyState(VK_SPACE)<0)//获取按键状态：空格
 {

 }
}

void Move(void)
{
 //ClearScr();
 switch (Role_Status)
 {
 case Role_UP:
  if(0==focusY||1==focusY)
  {
   swap(character[focusY][focusX],character[focusY+1][focusX]);
   focusY+=1;
  }
  break;

 case Role_DOWN:
  if(1==focusY||2==focusY)
  {
   swap(character[focusY][focusX],character[focusY-1][focusX]);
   focusY-=1;
  }
  break;

 case Role_LEFT:
  if(0==focusX||1==focusX)
  {
   swap(character[focusY][focusX],character[focusY][focusX+1]);
   focusX+=1;
  }
  break;

 case Role_RIGHT:
  if(1==focusX||2==focusX)
  {
   swap(character[focusY][focusX],character[focusY][focusX-1]);
   focusX-=1;
  }
  break;
 }
 //ShowScr();
 //if(checkWin())
 //{
 // showFlower();
 // //ClearScr();
 // //TextOut(windowDC,0,100,"真聪明",strlen("真聪明"));
 //}
}

void ClearScr(void)
{
 HBRUSH hBrush ;
 HDC           hdc ;
 rect.left =0;
 rect.top =0;
 rect.right =300;
 rect.bottom = 300; 
 hBrush = CreateSolidBrush ( RGB (255,255,255)) ;
 hdc = GetDC (hwnd) ;
 FillRect(hdc, &rect, hBrush);
}

void ShowScr(void)
{
 for(int i=0;i<3;i++)
 {
  for(int j=0;j<3;j++)
  {
   TextOut(windowDC,j*100,i*100,ch+character[i][j]*2,2);
  }
 }

 //画4条直线，分成9格
 MoveToEx (windowDC, 100, 0, NULL) ;
 LineTo (windowDC, 100,300) ;

 MoveToEx (windowDC, 200, 0, NULL) ;
 LineTo (windowDC, 200,300) ;

 MoveToEx (windowDC, 0, 100, NULL) ;
 LineTo (windowDC, 300,100) ;

 MoveToEx (windowDC, 0, 200, NULL) ;
 LineTo (windowDC, 300,200) ;
}

void swap(int &a,int &b)
{
 int temp =a;
 a=b;
 b=temp;
}

bool checkWin()
{
 int k=0;
 for(int i=0;i<3;i++)
 {
  for(int j=0;j<3;j++)
  {
   if(k!=character[i][j])
   {
    return false;
   }
   k++;
  }
 }
 isWin=true;
 return true;
}

void showFlower(void)
{
 BitBlt(windowDC,0,0,width,height,flowerDC,0,0,SRCCOPY);
}

求大神注释每一行代码啊？