wm.cpp

基于win32开发的拼图小游戏

// Wm.cpp : Defines the entry point for the application.
#include "stdafx.h"
#include "resource.h"
#include<stdio.h>
#include<time.h>
#include<stdlib.h>
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst;								// current instance
TCHAR szTitle[MAX_LOADSTRING];								// The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];								// The title bar text
HWND hWnd;
// Foward declarations of functions included in this code module:
ATOM	MyRegisterClass(HINSTANCE hInstance);
BOOL	InitInstance(HINSTANCE, int);
LRESULT CALLBACK        WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK	About(HWND, UINT, WPARAM, LPARAM);
void init();
void load(char * filename);
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: Place code here.
	MSG msg;
	HACCEL hAccelTable;
	// Initialize global strings
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_WM, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);
	// Perform application initialization:
	if (!InitInstance (hInstance, nCmdShow)) 
	{
		return FALSE;
	}
	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_WM);
	// Main message loop:
	while (GetMessage(&msg, NULL, 0, 0)) 
	{
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}
	return msg.wParam;
}
//  FUNCTION: MyRegisterClass()
//  PURPOSE: Registers the window class.
//  COMMENTS:
//    This function and its usage is only necessary if you want this code
//    to be compatible with Win32 systems prior to the 'RegisterClassEx'
//    function that was added to Windows 95. It is important to call this function
//    so that the application will get 'well formed' small icons associated
//    with it.
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_WM);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= NULL;
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);
	return RegisterClassEx(&wcex);
}
//   FUNCTION: InitInstance(HANDLE, int)
//   PURPOSE: Saves instance handle and creates main window
//   COMMENTS:
//        In this function, we save the instance handle in a global variable and
//        create and display the main program window.
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   srand((unsigned)time(NULL));
   hInst = hInstance; // Store instance handle in our global variable
   hWnd = CreateWindow(szWindowClass, "拼图游戏", WS_OVERLAPPEDWINDOW,
      100, 100, 400, 420, NULL, NULL, hInstance, NULL);
   if (!hWnd)
   {
      return FALSE;
   }
  
   init(); //更新数据
   SetTimer(hWnd,1,500,NULL);//设置计时器
   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);
   return TRUE;
}
//  FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//  PURPOSE:  Processes messages for the main window.
//  WM_COMMAND	- process the application menu
//  WM_PAINT	- Paint the main window
//  WM_DESTROY	- post a quit message and return
#define NEXT 10
//定义宽高
#define WIDTH 130
#define HEIGHT 130
//定义数组
int map [10][10];
//定义设备描述表
HDC memhdc;
//定义鼠标所在行列
int mouse_row,mouse_col;
int row9 = 2,col9 = 2;
//初始化数组
void init()
{
	int s=0;
	for(int i=0;i<3;i++)
	{
		for(int j=0;j<3;j++)
		{
			s++;
			map[i][j]=s;
		}
	}
	//随机取两个格
	int r1,c1,c2,r2;
	int a;
	int b;
	for(int t=0;t<100;t++)
	{
		a = rand()%8+1;
		b = rand()%8+1;
		r1 = (a-1)/3;
		c1 = (a-1)%3;
		r2 = (b-1)/3;
		c2 = (b-1)%3;
		int m;
		m=map[r1][c1];
		map[r1][c1]=map[r2][c2];
		map[r2][c2]=m;
	}
	//装载图片MAP1.bmp
	char buf[100];
	wsprintf(buf,"MAP1.bmp",1);
    load(buf);
}
//从文件中装载图象
void load(char * filename)
{
	HDC hdc = GetDC(hWnd);
	memhdc = ::CreateCompatibleDC(hdc);
	ReleaseDC(hWnd,hdc);
	HBITMAP bmp=(HBITMAP)LoadImage(NULL,filename,IMAGE_BITMAP,0,0,LR_LOADFROMFILE); 
	SelectObject(memhdc,bmp);	
}
//转换到行列
void TurnToRowCol(int x,int y)
{
	mouse_row = y / HEIGHT;
	mouse_col = x / WIDTH;
	if (mouse_row>2) mouse_row = 2;
	if (mouse_col>2) mouse_col = 2;
}
//判断是否和空白块相邻
int isNear()
{
   if (mouse_row == row9)
   {
	   if((col9-mouse_col==1)||(col9-mouse_col==-1))
	   {
			return true;
	   }
   }
   if (mouse_col==col9)
   {
	   if ((mouse_row-row9==1)||(mouse_row-row9==-1))
	   {
		   return true;
	   }
   }
   return false;
}
//交换数据
void ExChange()
{
	int m = map[mouse_row][mouse_col];
	map[mouse_row][mouse_col] = map[row9][col9] ;
	map[row9][col9] = m;
	row9= mouse_row;
	col9 = mouse_col;
}
//判断游戏结束
int isGameOver()
{
	for(int i=0;i<3;i++)
	for(int j=0;j<3;j++)
	{
		if (map[i][j] != (i*3+j+1))
		{
			return false;
		}
	}
	return true;
}
//绘制游戏界面
void draw()
{
	HDC hdc = GetDC(hWnd);
    for(int i=0;i<3;i++) 
	for(int j=0;j<3;j++) 
	{
		if (map[i][j]!=9)
		{
			int r,c;
			r = (map[i][j]-1)/3;
			c = (map[i][j]-1)%3;
			BitBlt(hdc,j*WIDTH,i*HEIGHT,WIDTH,HEIGHT,memhdc,c*WIDTH,r*HEIGHT,SRCCOPY);
		}
		else
		{
			Rectangle(hdc,j*WIDTH,i*HEIGHT,(j+1)*WIDTH,(i+1)*HEIGHT);  
		}
	}
	ReleaseDC(hWnd,hdc);
	 
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;
	PAINTSTRUCT ps;
	HDC hdc;
	TCHAR szHello[MAX_LOADSTRING];
	LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);

	switch (message) 
	{
	//当鼠标右键按下，拼图完成
	case WM_RBUTTONDOWN:
	{
		for(int i=0;i<3;i++)
		for(int j=0;j<3;j++)
		{
			map[i][j] =i*3+j+1;
			col9=mouse_col;
			row9=mouse_row;
			
		}
		draw();
	}
		break;
		//当鼠标左键按下时
		case WM_LBUTTONDOWN:
			TurnToRowCol(LOWORD(lParam),HIWORD(lParam));
			if (isNear())
			{
				//交换
				ExChange();
				//绘制
				draw();
				//当游戏结束的时候
				if (isGameOver())
				{
					//显示游戏结束
					if(MessageBox(hWnd,"拼图完成是否进入下一关","",MB_OKCANCEL|MB_ICONINFORMATION)==IDOK)
					{
						init();//更新数据
						draw();//重新绘制
					}
					else
					{
						DestroyWindow(hWnd);//关闭窗口
					}
				}
			}
			break;
		case WM_COMMAND:
			wmId    = LOWORD(wParam); 
			wmEvent = HIWORD(wParam); 
			// Parse the menu selections:
			switch (wmId)
			{
				case IDM_ABOUT:
				   DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
				   break;
				case IDM_EXIT:
				   DestroyWindow(hWnd);
				   break;
				default:
				   return DefWindowProc(hWnd, message, wParam, lParam);
			}
			break;
		case WM_PAINT:
			hdc = BeginPaint(hWnd, &ps);
			// TODO: Add any drawing code here...
			draw();//绘制
			EndPaint(hWnd, &ps);
			break;
		case WM_DESTROY:
			PostQuitMessage(0);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}
// Mesage handler for about box.
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;
}