snake.cpp

我学习时老师做的一个贪吃蛇小程序

// 贪食蛇.cpp : 定义应用程序的入口点。
//

//#include "stdafx.h"
//#include "贪食蛇.h"
#define MAX_LOADSTRING 100

//#define N_FOOD 4

// 全局变量:
HINSTANCE hInst;	// 当前实例
HWND hWnd1;							
TCHAR szTitle[MAX_LOADSTRING];					// 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING];			// 主窗口类名

Snake sk1;
Snake sk2;
//Food fd[N_FOOD];           wrong codes
Food fd1;
Food fd2;
Food fd3;
Food fd4;

// 此代码模块中包含的函数的前向声明:
ATOM				MyRegisterClass(HINSTANCE hInstance);
BOOL				InitInstance(HINSTANCE, int);
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK	About(HWND, UINT, WPARAM, LPARAM);


int APIENTRY _tWinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR    lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: 在此放置代码。
	MSG msg;
	HACCEL hAccelTable;
    sk1.init(1);
	sk2.init(2);

	    fd1.init();
		 fd2.init();
		  fd3.init();
		   fd4.init();
	
	



	// 初始化全局字符串
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_MY, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// 执行应用程序初始化:
	if (!InitInstance (hInstance, nCmdShow)) 
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_MY);

	// 主消息循环:
	while (GetMessage(&msg, NULL,0, 0)) 
	{
		
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}

        POINT M1=sk1.get_position();
        POINT M2=sk2.get_position();
        sk1.check_alive(M2);
		sk2.check_alive(M1);

        if(sk1.get_alive()&&sk2.get_alive())
        InvalidateRgn(hWnd1,NULL,TRUE);


		
		
		
		//STOP THE SNAKE


	}

	return (int) msg.wParam;
}



//
//  函数: MyRegisterClass()
//
//  目的: 注册窗口类。
//
//  注释: 
//
//    仅当希望在已添加到 Windows 95 的
//    “RegisterClassEx”函数之前此代码与 Win32 系统兼容时，
//    才需要此函数及其用法。调用此函数
//    十分重要，这样应用程序就可以获得关联的
//   “格式正确的”小图标。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX); 

	wcex.style			= CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc	= (WNDPROC)WndProc;
	wcex.cbClsExtra		= 0;
	wcex.cbWndExtra		= 0;
	wcex.hInstance		= hInstance;
	wcex.hIcon			= LoadIcon(hInstance, (LPCTSTR)IDI_MY);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= (LPCTSTR)IDC_MY;
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

	return RegisterClassEx(&wcex);
}

//
//   函数: InitInstance(HANDLE, int)
//
//   目的: 保存实例句柄并创建主窗口
//
//   注释: 
//
//        在此函数中，我们在全局变量中保存实例句柄并
//        创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;

   hInst = hInstance; // 将实例句柄存储在全局变量中

   hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, 600,600, NULL, NULL, hInstance, NULL);

   //
   hWnd1=hWnd;
   //

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

//
//  函数: WndProc(HWND, unsigned, WORD, LONG)
//
//  目的: 处理主窗口的消息。
//
//  WM_COMMAND	- 处理应用程序菜单
//  WM_PAINT	- 绘制主窗口
//  WM_DESTROY	- 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;
	 int Num;
	PAINTSTRUCT ps;
	HDC hdc;
	RECT rect;
	static TCHAR bf[50];
	POINT L1;
	POINT L2;



	switch (message) 
	{
	case WM_KEYDOWN:
		    switch (wParam) 
            { 
                case VK_LEFT: 
                    
                    sk1.left(); 
                     
                    break; 

 
                case VK_RIGHT: 
                    
                    sk1.right();
                     
                    break; 
 
                case VK_UP: 
                    
                    sk1.up();
                     
                    break; 
 
                case VK_DOWN: 
                    
                   sk1.down();
                     
                    break;
				case 87:
					sk2.up();
					break;

				case 83:
					sk2.down();
					break;
				case 65:
					sk2.left();
					break;
				case 68:
					sk2.right();
					break;
					
				case VK_SPACE:
                   sk1.init(1);
				   sk2.init(2);
				   break;
 

                default: 
                    break; 
            } 

         break;


	case WM_COMMAND:
		wmId    = LOWORD(wParam); 
		wmEvent = HIWORD(wParam); 
		// 分析菜单选择:
		switch (wmId)
		{
		case IDM_ABOUT:
			DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
			break;
		case IDM_START:
			sk1.init(1);
			sk2.init(2);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		break;

    

	case WM_PAINT:

		hdc = BeginPaint(hWnd, &ps);
        //Num=sprintf(bf,"你已得分：%d 分 ",sk1.get_n()-3);

       //TextOut(hdc,10,10,bf,Num);
       rect.left=rect.top=30;
	   rect.right=570;
	   rect.bottom=470;
	   DrawEdge(hdc,&rect,BDR_RAISEDOUTER|BDR_SUNKENINNER,BF_RECT);

		sk1.move(hdc);
        sk2.move(hdc);
        
		
		L1=sk1.get_position();
        L2=sk2.get_position();
		
      //检查豆豆fd1有没有被吃掉
			if(fd1.checkfood(hdc,L1))   
				sk1.increase();
			if(fd1.checkfood(hdc,L2))
				sk2.increase();

	//检查豆豆fd2有没有被吃掉
			if(fd2.checkfood(hdc,L1))   
				sk1.increase();
			if(fd2.checkfood(hdc,L2))
				sk2.increase();

			      //检查豆豆fd3有没有被吃掉
			if(fd3.checkfood(hdc,L1))   
				sk1.increase();
			if(fd3.checkfood(hdc,L2))
				sk2.increase();


			      //检查豆豆fd4有没有被吃掉
			if(fd4.checkfood(hdc,L1))   
				sk1.increase();
			if(fd4.checkfood(hdc,L2))
				sk2.increase();
	        for(int l=20;l>=1;l--)
			for(int g=999999;g>=1;g--) ;
        


        
		
		EndPaint(hWnd, &ps);



		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}

// “关于”框的消息处理程序。
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
	case WM_INITDIALOG:
		return TRUE;

	case WM_COMMAND:
		if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
		{
			EndDialog(hDlg, LOWORD(wParam));
			return TRUE;
		}
		break;
	}
	return FALSE;
}
e(hdc,food.x*CELL,food.y*CELL,(food.x+1)*CELL,(food.y+1)*CELL);
					
		}
		EndPaint (hwnd, &ps) ;
		return 0 ;

	case	WM_DESTROY:
		PostQuitMessage (0) ;
		return 0 ;
	}
	return DefWindowProc (hwnd, message, wParam, lParam) ;
}