lifedlg.cpp

生命游戏的C++演示

// LifeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Life.h"
#include "LifeDlg.h"
#include "SetColor.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

int iOldAryLife[iWMax][iHMax];		//存放生命下一次的分布
int iNewAryLife[iWMax][iHMax];		//存放生命当前的分布

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLifeDlg dialog

CLifeDlg::CLifeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLifeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLifeDlg)
	m_dens = 1.1f;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CLifeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLifeDlg)
	DDX_Text(pDX, IDC_DENS_EDIT, m_dens);
	DDV_MinMaxFloat(pDX, m_dens, 1.01f, 5.f);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CLifeDlg, CDialog)
	//{{AFX_MSG_MAP(CLifeDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(IDM_BEGIN, OnBegin)
	ON_WM_TIMER()
	ON_COMMAND(IDM_EXIT, OnExit)
	ON_COMMAND(IDM_STOP, OnStop)
	ON_WM_INITMENU()
	ON_COMMAND(IDM_OPEN, OnOpen)
	ON_COMMAND(IDM_SET, OnSet)
	ON_COMMAND(IDM_ABOUT, OnAbout)
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_COMMAND(IDM_CLEAR, OnClear)
	ON_COMMAND(IDM_RANDOM, OnRandom)
	ON_COMMAND(IDM_SAVE, OnSave)
	ON_EN_CHANGE(IDC_DENS_EDIT, OnChangeDensEdit)
	//}}AFX_MSG_MAP
	ON_WM_EXITMENULOOP()
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLifeDlg message handlers

BOOL CLifeDlg::OnInitDialog()
{
		CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon

	iTime=1;
	dRand=1.09;
	colBK=RGB(255,255,255);
	colLife=RGB(0,0,0);
	colDie=RGB(192,192,192);

	//装入工具条并显示
	m_ToolLife.CreateEx(this,TBSTYLE_FLAT | TBSTYLE_TRANSPARENT);
	m_ToolLife.LoadToolBar(IDR_TOOLLIFE);
	RepositionBars(AFX_IDW_CONTROLBAR_FIRST,AFX_IDW_CONTROLBAR_LAST,iHor);



	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CLifeDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CLifeDlg::OnPaint() 
{	//设置背景
	CClientDC dc(this);
	CBrush* pBrush;
	pBrush=new CBrush(colBK);
	dc.SelectObject(pBrush);
	dc.Rectangle(iHor-2,iVer-2,iHor+2+iWMax*2,iVer+2+iHMax*2);

	for (int i=0;i<iWMax;i++)
	{
		for (int j=0;j<iHMax;j++)
		{
			if (iOldAryLife[i][j]==1)
			{
				dc.SetPixel(iHor+i*2,iVer+j*2,colLife);
				dc.SetPixel(iHor+i*2+1,iVer+j*2,colLife);//rao
				dc.SetPixel(iHor+i*2+1,iVer+j*2+1,colLife);
				dc.SetPixel(iHor+i*2,iVer+j*2+1,colLife);//rao
			}
			
			
		}
	}

	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CLifeDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CLifeDlg::OnBegin() 
{
	bPause=false;
	SetTimer(IDT_TIMER1,iTime,NULL);		//设置时间间隔
}


void CLifeDlg::OnTimer(UINT nIDEvent) 
{
	if (bPause==false)
	{
		CClientDC dc(this);

		for (int i=0;i<iWMax;i++)
		{
			for (int j=0;j<iHMax;j++)
			{
				//生命规则
				if (iOldAryLife[i][j]==1)
				{
			    	if (iOldAryLife[(iWMax+i-1) % iWMax][(iHMax+j-1) % iHMax]+iOldAryLife[i][(iHMax+j-1) % iHMax]+iOldAryLife[(iWMax+i+1) % iWMax][(iHMax+j-1) % iHMax]+iOldAryLife[(iWMax+i-1) % iWMax][j]+iOldAryLife[(iWMax+i+1) % iWMax][j]+iOldAryLife[(iWMax+i-1) % iWMax][(iHMax+j+1) % iHMax]+iOldAryLife[i][(iHMax+j+1) % iHMax]+iOldAryLife[(iWMax+i+1) % iWMax][(iHMax+j+1) % iHMax]>=4 || iOldAryLife[(iWMax+i-1) % iWMax][(iHMax+j-1) % iHMax]+iOldAryLife[i][(iHMax+j-1) % iHMax]+iOldAryLife[(iWMax+i+1) % iWMax][(iHMax+j-1) % iHMax]+iOldAryLife[(iWMax+i-1) % iWMax][j]+iOldAryLife[(iWMax+i+1) % iWMax][j]+iOldAryLife[(iWMax+i-1) % iWMax][(iHMax+j+1) % iHMax]+iOldAryLife[i][(iHMax+j+1) % iHMax]+iOldAryLife[(iWMax+i+1) % iWMax][(iHMax+j+1) % iHMax]<=1)
					{
						iNewAryLife[i][j]=0;
						dc.SetPixelV(iHor+i*2,iVer+j*2,colDie);
						dc.SetPixelV(iHor+i*2+1,iVer+j*2+1,colDie);
						dc.SetPixelV(iHor+i*2+1,iVer+j*2,colDie);
						dc.SetPixelV(iHor+i*2,iVer+j*2+1,colDie);
					}
					/*else
						iNewAryLife[i][j]=1;*/
				}
				else
				{
					if (iOldAryLife[(iWMax+i-1) % iWMax][(iHMax+j-1) % iHMax]+iOldAryLife[i][(iHMax+j-1) % iHMax]+iOldAryLife[(iWMax+i+1) % iWMax][(iHMax+j-1) % iHMax]+iOldAryLife[(iWMax+i-1) % iWMax][j]+iOldAryLife[(iWMax+i+1) % iWMax][j]+iOldAryLife[(iWMax+i-1) % iWMax][(iHMax+j+1) % iHMax]+iOldAryLife[i][(iHMax+j+1) % iHMax]+iOldAryLife[(iWMax+i+1) % iWMax][(iHMax+j+1) % iHMax]==3)
					{
						iNewAryLife[i][j]=1;
						dc.SetPixelV(iHor+i*2,iVer+j*2,colLife);
						dc.SetPixelV(iHor+i*2+1,iVer+j*2+1,colLife);
						dc.SetPixelV(iHor+i*2+1,iVer+j*2,colLife);
						dc.SetPixelV(iHor+i*2,iVer+j*2+1,colLife);
					}
					/*else
						iNewAryLife[i][j]=0;*/
				}
			}
		}

		for(i=0;i<iWMax;i++)
			for(int j=0;j<iHMax;j++)
				iOldAryLife[i][j]=iNewAryLife[i][j];
	}

	CDialog::OnTimer(nIDEvent);
}

void CLifeDlg::OnExit() 
{
	OnOK();
}

void CLifeDlg::OnSet() 
{
	//进入设置时暂停
	bPause=true;
	CSetColor dlgColor;
	dlgColor.CopyColor(colBK,colLife,colLife,iTime);
	int nResponse=dlgColor.DoModal();
	if (nResponse == IDOK)
	{
		iTime=dlgColor.GetTime();			//取时间间隔
		colBK=dlgColor.GetBKColor();		//取背景色
		colLife=dlgColor.GetLifeColor();	//取生命色
		colDie=dlgColor.GetDieColor();		//取死亡色

		Invalidate(false);
	}
	else if (nResponse == IDCANCEL)
	{
	}
	bPause=false;
	SetTimer(IDT_TIMER1,iTime,NULL);		//设置时间间隔
}

void CLifeDlg::OnStop() 
{
	bPause=true;
	Invalidate(false);
	KillTimer(IDT_TIMER1);	
}

void CLifeDlg::OnInitMenu()
{
	bPause=true;	//点菜单时暂停
}

void CLifeDlg::OnExitMenuLoop()
{
	bPause=false;	//离开菜单时取消暂停
}

void CLifeDlg::OnOK()
{
	int i=MessageBox("你确定退出吗？","确认",MB_OKCANCEL);
	if (i==IDOK)
		CDialog::OnOK();
}

//打开生命文件
//格式说明见ReadLife.txt
void CLifeDlg::OnOpen() 
{
	bPause=true;

	CStdioFile LifeFile;
	CString strFile;
	CString strText;

	CFileDialog dlg(true);
	dlg.m_ofn.lpstrFilter="Life Files(*.lie)\0*.lie\0\0";
	if (dlg.DoModal()==IDOK)
	{
		strFile=dlg.GetFileName();
	}
	else
		return;

	//需要错误处理
	LifeFile.Open(strFile,CFile::modeRead);

	int i,j;
	KillTimer(IDT_TIMER1);
	//还原生命数组
	for (i=0;i<iWMax;i++)
	{
		for (j=0;j<iHMax;j++)
		{
 			iOldAryLife[i][j]=0;
 			iNewAryLife[i][j]=0;
		}
	}

	i=0;
	j=0;
	int oldI=0;
	
	while(LifeFile.ReadString(strText))
	{
		if (strText.Left(1)=='H')
		{
			i=atoi(strText.Mid(1));
			oldI=i;
		}
		else if (strText.Left(1)=='V')
			j=atoi(strText.Mid(1));
		else if (strText.Left(1)==';')
		{
		}
		else
		{
			for (int iStart=0;iStart<strText.GetLength();iStart++)
			{
				if (strText.Mid(iStart,1)=='.')
					iOldAryLife[(i) % iWMax][(j) % iHMax]=1;
				i++;
			}
			i=oldI;
			j++;
		}
	}
	Invalidate(false);
}

void CLifeDlg::OnAbout() 
{
	CAboutDlg dlg;
	dlg.DoModal();
}

void CLifeDlg::OnMouseMove(UINT nFlags, CPoint point) 
{
	//允许用户自己画点
	if (nFlags==MK_LBUTTON)
	{
		int i,j;
		i=(point.x-iHor)/2;
		j=(point.y-iVer)/2;
		iOldAryLife[i][j]=1;
		iNewAryLife[i][j]=1;
		CClientDC dc(this);
		dc.SetPixel(iHor+i*2,iVer+j*2,colLife);
	}

	CDialog::OnMouseMove(nFlags, point);
}

void CLifeDlg::OnLButtonDown(UINT nFlags, CPoint point) 
{
	//允许用户自己画点
	if (bPause==false)
	{
		MessageBox("请先停止生命演化！",NULL,MB_ICONWARNING);
		return;
	}
	int i,j;
	i=(point.x-iHor)/2;
	j=(point.y-iVer)/2;
	iOldAryLife[i][j]=1;
	iNewAryLife[i][j]=1;
	CClientDC dc(this);
	dc.SetPixel(iHor+i*2,iVer+j*2,colLife);
	
	CDialog::OnLButtonDown(nFlags, point);
}

void CLifeDlg::OnClear() 
{
	if (MessageBox("清除所有的生命点？",NULL,MB_OKCANCEL)==1)
	{
		//还原生命数组
		for (int i=0;i<iWMax;i++)
		{
			for (int j=0;j<iHMax;j++)
			{
 				iOldAryLife[i][j]=0;
 				iNewAryLife[i][j]=0;
			}
		}
		bPause=true;
		Invalidate(false);		
	}
}

void CLifeDlg::OnRandom() 
{
   
	if (MessageBox("随机生成生命点？",NULL,MB_OKCANCEL)==1)
	{
		int i,j;
		//随机生成生命数组
		srand((unsigned)time(NULL));
		for (i=0;i<iWMax;i++)
		{
			for (j=0;j<iHMax;j++)
			{
 				iOldAryLife[i][j]=dRand * rand() / RAND_MAX;
 				iNewAryLife[i][j]=iOldAryLife[i][j];
			}
		}
		bPause=true;
		Invalidate(false);
	}
}

void CLifeDlg::OnSave() 
{
	bPause=true;

	CStdioFile LifeFile;
	CString strFile;
	CString strText;

	CFileDialog dlg(true);
	dlg.m_ofn.lpstrFilter="Life Files(*.lie)\0*.lie\0\0";
	if (dlg.DoModal()==IDOK)
	{
		strFile=dlg.GetFileName();
	}
	else
		return;
	
	if (strFile.Right(4)!=".lie")
		strFile+=".lie";


/*	if (LifeFile.GetStatus(strFile)==true)
		if (MessageBox("文件已经存在，要覆盖吗？",NULL,MB_OKCANCEL)==0)
			return;
*/

	//需要错误处理
	LifeFile.Open(strFile,CFile::modeCreate | CFile::modeWrite );

	LifeFile.WriteString(strText);

	int i,j;
	for (i=0;i<iWMax;i++)
	{
		strText="";
		for(j=0;j<iHMax;j++)
		{
			if (iOldAryLife[j][i]==1)
				strText+='.';
			else
				strText+=' ';
		}
		strText.TrimRight();
		strText+=(char)13;
		strText+=(char)10;
		LifeFile.WriteString(strText);
	}
	LifeFile.Close();
}

void CLifeDlg::OnChangeDensEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	 UpdateData(true);
	dRand=m_dens;
	// TODO: Add your control notification handler code here
	
}