例子view.cpp

c++编写的一个迷宫小游戏

// 例子View.cpp : implementation of the CMyView class
//
#include <time.h> 
#include <stdlib.h>

#include "stdafx.h"
#include "例子.h"

#include "例子Doc.h"
#include "例子View.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyView

IMPLEMENT_DYNCREATE(CMyView, CView)

BEGIN_MESSAGE_MAP(CMyView, CView)
	//{{AFX_MSG_MAP(CMyView)
	ON_COMMAND(ID_GAME_NEW, OnGameNew)
	ON_WM_KEYDOWN()
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_FILE_SAVE, OnFileSave)
	ON_COMMAND(ID_MAP_NEW, OnMapNew)
	ON_WM_LBUTTONDOWN()
	ON_COMMAND(ID_MENU_start, OnMENUstart)
	ON_WM_SETCURSOR()
	ON_COMMAND(ID_MENU_end, OnMENUend)
	ON_COMMAND(ID_MENU_cachu, OnMENUcachu)
	ON_COMMAND(ID_MENU_qiang, OnMENUqiang)
	ON_COMMAND(ID_MENU_cancel, OnMENUcancel)
	ON_COMMAND(ID_MENU_play, OnMENUplay)
	ON_COMMAND(ID_MENU_stop, OnMENUstop)
	ON_COMMAND(IDM_time1000, Ontime1000)
	ON_UPDATE_COMMAND_UI(IDM_time1000, OnUpdatetime1000)
	ON_COMMAND(IDM_time700, Ontime700)
	ON_UPDATE_COMMAND_UI(IDM_time700, OnUpdatetime700)
	ON_COMMAND(IDB_time400, Ontime400)
	ON_UPDATE_COMMAND_UI(IDB_time400, OnUpdatetime400)
	ON_COMMAND(IDM_time200, Ontime200)
	ON_UPDATE_COMMAND_UI(IDM_time200, OnUpdatetime200)
	ON_COMMAND(IDB_time100, Ontime100)
	ON_UPDATE_COMMAND_UI(IDB_time100, OnUpdatetime100)
	ON_COMMAND(IDM_time50, Ontime50)
	ON_UPDATE_COMMAND_UI(IDM_time50, OnUpdatetime50)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyView construction/destruction

CMyView::CMyView()
{
	// TODO: add construction code here
	m_bitmap[0].LoadBitmap(IDB_qiang);
	m_bitmap[1].LoadBitmap(IDB_xing);
	m_bitmap[2].LoadBitmap(IDB_black);
	m_bitmap[3].LoadBitmap(IDB_qi);

//从资源加载
	hcursor[0]=(HCURSOR)LoadImage(AfxGetResourceHandle(),
		MAKEINTRESOURCE(IDC_qiang),//icon id
		IMAGE_CURSOR,
		15, 15, LR_DEFAULTSIZE);
	hcursor[1]=(HCURSOR)LoadImage(AfxGetResourceHandle(),
		MAKEINTRESOURCE(IDC_xing),//icon id
		IMAGE_CURSOR,
		15, 15, LR_DEFAULTSIZE);
	hcursor[2]=(HCURSOR)LoadImage(AfxGetResourceHandle(),
		MAKEINTRESOURCE(IDC_black),//icon id
		IMAGE_CURSOR,
		15, 15, LR_DEFAULTSIZE);
	hcursor[3]=(HCURSOR)LoadImage(AfxGetResourceHandle(),
		MAKEINTRESOURCE(IDC_qi),//icon id
		IMAGE_CURSOR,
		15, 15, LR_DEFAULTSIZE);

	srand( (unsigned)time( NULL ) );
	InitGame();
}

CMyView::~CMyView()
{
}

BOOL CMyView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMyView drawing

void CMyView::OnDraw(CDC* pDC)
{
	CMyDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	CBrush brush;
	CRect rect(0,0,1200,800);
	brush.CreateSolidBrush(RGB(0,0,0));
	pDC->SelectObject(&brush);
	pDC->FillRect(rect,&brush);//画背景

	CDC MemDC;
	MemDC.CreateCompatibleDC(pDC);
	for(int x=0;x<m;x++)
		for(int y=0;y<n;y++)
		{	
			if(arry[x][y]==0)//画墙
			{
				MemDC.SelectObject(m_bitmap[0]);
				pDC->BitBlt(x*15+x_start,y*15+y_start,15,15,&MemDC,0,0,SRCCOPY);
			}
			if(arry[x][y]==1)//画起点
			{
				MemDC.SelectObject(m_bitmap[1]);
				pDC->BitBlt(x*15+x_start,y*15+y_start,15,15,&MemDC,0,0,SRCCOPY);
			}
			if(arry[x][y]==2)//画背景
			{
				MemDC.SelectObject(m_bitmap[2]);
				pDC->BitBlt(x*15+x_start,y*15+y_start,15,15,&MemDC,0,0,SRCCOPY);
			}
			if(arry[x][y]==3)//画终点
			{
				MemDC.SelectObject(m_bitmap[3]);
				pDC->BitBlt(x*15+x_start,y*15+y_start,15,15,&MemDC,0,0,SRCCOPY);
			}
		}
}

/////////////////////////////////////////////////////////////////////////////
// CMyView printing

BOOL CMyView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CMyView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CMyView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CMyView diagnostics

#ifdef _DEBUG
void CMyView::AssertValid() const
{
	CView::AssertValid();
}

void CMyView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CMyDoc* CMyView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMyDoc)));
	return (CMyDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMyView message handlers

bool CMyView::Over()
{
	if((xnow==xend)&&(ynow==yend))
		return true;
	return 0;
}

void CMyView::OnGameNew() 
{
	// TODO: Add your command handler code here
	InitGame();
	Invalidate();
}

void CMyView::InitGame()
{
	m_time=100;
	stop=false;
	m=50;
	n=30;
	x_start=12;//迷宫相对窗体的位置
	y_start=15;
	xstart=2;
	ystart=10;
	xnow=xstart;
	ynow=ystart;
	xend=m-2;
	yend=n-2;
	cur_flag=-1;

	for(int x=0;x<m;x++)
		for(int y=0;y<n;y++)
		{
			if(x==0||x==m-1||y==0||y==n-1)
				arry[x][y]=0;//外围墙
			else 
			{
				arry[x][y]=rand()%3+4;//[4.......6]生成随机的墙
				if(arry[x][y]==4)//1/3的概率
					arry[x][y]=0;//让其成为真实的墙
				else arry[x][y]=2;//2/3的概率为空，black背景色
			}
		}
	arry[xnow][ynow]=1;//起点
	arry[xend][yend]=3;//终点
}

void CMyView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	CDC* pDC1;
	pDC1=GetDC();
	CDC MemDC1;
	MemDC1.CreateCompatibleDC(pDC1);

	char ch=(char)nChar;
	switch(ch)
	{
	case 'S'://down
	case 's':
		if(arry[xnow][++ynow]==0)//如果有墙
		{
			--ynow;
			MessageBeep(MB_OK);
			break;
		}
		else
		{
			MemDC1.SelectObject(m_bitmap[2]);//black
			pDC1->BitBlt(xnow*15+x_start,(ynow-1)*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);
			arry[xnow][ynow-1]=2;//背景色
			MemDC1.SelectObject(m_bitmap[1]);//xing
			pDC1->BitBlt(xnow*15+x_start,ynow*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);		
			arry[xnow][ynow]=1;//xing
			break;
		}
	case 'W'://up
	case 'w':
		if(arry[xnow][--ynow]==0)//如果有墙
		{
			++ynow;
			MessageBeep(MB_OK);
			break;
		}
		else
		{
			MemDC1.SelectObject(m_bitmap[2]);
			pDC1->BitBlt(xnow*15+x_start,(ynow+1)*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);
			arry[xnow][ynow+1]=2;
			MemDC1.SelectObject(m_bitmap[1]);
			pDC1->BitBlt(xnow*15+x_start,ynow*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);		
			arry[xnow][ynow]=1;
			break;
		}
	case 'A'://left
	case 'a':
		if(arry[--xnow][ynow]==0)//如果有墙
		{
			++xnow;
			MessageBeep(MB_OK);
			break;
		}
		else
		{
			MemDC1.SelectObject(m_bitmap[2]);
			pDC1->BitBlt((xnow+1)*15+x_start,ynow*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);
			arry[xnow+1][ynow]=2;
			MemDC1.SelectObject(m_bitmap[1]);
			pDC1->BitBlt(xnow*15+x_start,ynow*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);		
			arry[xnow][ynow]=1;
			break;
		}
	case 'D'://right
	case 'd':
		if(arry[++xnow][ynow]==0)//如果有墙
		{
			--xnow;
			MessageBeep(MB_OK);
			break;
		}
		else
		{
			MemDC1.SelectObject(m_bitmap[2]);
			pDC1->BitBlt((xnow-1)*15+x_start,ynow*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);
			arry[xnow-1][ynow]=2;
			MemDC1.SelectObject(m_bitmap[1]);
			pDC1->BitBlt(xnow*15+x_start,ynow*15+y_start,15,15,&MemDC1,0,0,SRCCOPY);		
			arry[xnow][ynow]=1;
			break;
		}
	default:
		;
	}

	if(Over())//结束后刷新为前一个地图
	{
		MessageBox("You win!!");
		for(int i1=0;i1<m;i1++)
			for(int j=0;j<n;j++)
				if(arry[i1][j]!=0)
				{
					if(xstart==i1&&ystart==j)
						arry[i1][j]=1;
					else if(xend==i1&&yend==j)
						arry[i1][j]=3;
					else arry[i1][j]=2;
				}
		xnow=xstart;//恢复起点，终点是固定的
		ynow=ystart;
		Invalidate();
	}		
	CView::OnKeyDown(nChar, nRepCnt, nFlags);
}


void CMyView::OnFileOpen() 
{
	// TODO: Add your command handler code here
	CFileDialog dlg(TRUE,"maz",NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,"迷宫地图(*.MAZ)|*.maz|All Files|*.*||",this);
	
	if(dlg.DoModal()==IDOK) 
		dlg.GetFileName();
	else
		return;
	CString str;
	int i,j,s;
	CStdioFile file;
	if(file.Open(dlg.GetFileName(),CFile::modeRead)==0)
	{
		AfxMessageBox("save error!");
		return;
	}
	CArchive ar(&file,CArchive::load);
	
	for(i=0;i<m;i++)		
		for(j=0;j<n;j++)			
		{			
			ar.ReadString(str);			
			sscanf(str,"%d",&s);			
			if(s==0)
				arry[i][j]=0;
			if(s==1)
			{
				arry[i][j]=1;
				xnow=i;
				ynow=j;
			}
			if(s==3)
			{
				arry[i][j]=3;
				xend=i;
				yend=j;
			}
			if(s==-1)				
				arry[i][j]=-1;
		}
		file.Close();
		ar.Close();
		Invalidate(false);//更新，不用OnPaint()
}