贪吃蛇游戏mfc源码展示

// DrawDialog.cpp : implementation file // #include "stdafx.h" #include "TCS.h" #include "DrawDialog.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CDrawDialog dialog CDrawDialog::CDrawDialog(CWnd* pParent /*=NULL*/) : CDialog(CDrawDialog::IDD, pParent) { //{{AFX_DATA_INIT(CDrawDialog) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT } void CDrawDialog::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CDrawDialog) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CDrawDialog, CDialog) //{{AFX_MSG_MAP(CDrawDialog) ON_WM_PAINT() ON_WM_SIZE() ON_WM_TIMER() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDrawDialog message handlers bool isheadopen = false; void CDrawDialog::OnPaint() { CPaintDC sdc(this); // device context for painting CRect rect; this->GetClientRect(&rect); CDC dc; dc.CreateCompatibleDC(NULL); CBitmap bmp_bk; bmp_bk.CreateCompatibleBitmap(&sdc,rect.Width(),rect.Height()); dc.SelectObject(&bmp_bk); //绘制墙 CBitmap bmp_wall; bmp_wall.LoadBitmap(IDB_BMPWALL); CBrush brush; brush.CreatePatternBrush(&bmp_wall); dc.FillRect(&rect,&brush); //绘制记分板 CBitmap bmp_scoreboard,bmp_mask; bmp_scoreboard.LoadBitmap(IDB_BMPSCOREBOARD); CDC tmdc,dcmask; tmdc.CreateCompatibleDC(NULL); tmdc.SelectObject(&bmp_scoreboard); dcmask.CreateCompatibleDC(&tmdc); bmp_mask.CreateBitmap(292,62,0,0,NULL); dcmask.SelectObject(&bmp_mask); tmdc.SetBkColor(RGB(255,255,255)); dcmask.BitBlt(0,0,292,62,&tmdc,0,0,SRCCOPY); dc.BitBlt(m_scoreboardrect.left,m_scoreboardrect.top,m_scoreboardrect.right, m_scoreboardrect.bottom,&tmdc,0,0,SRCINVERT); dc.BitBlt(m_scoreboardrect.left,m_scoreboardrect.top,m_scoreboardrect.right, m_scoreboardrect.bottom,&dcmask,0,0,SRCAND); dc.BitBlt(m_scoreboardrect.left,m_scoreboardrect.top,m_scoreboardrect.right, m_scoreboardrect.bottom,&tmdc,0,0,SRCINVERT); //绘制活动区 CBitmap bmp_cell; bmp_cell.LoadBitmap(IDB_BMPCELL); CBrush brush1; brush1.CreatePatternBrush(&bmp_cell); dc.FillRect(&m_actionrect,&brush1); //绘制阻挡墙 dc.FillRect(&m_barwall1,&brush); dc.FillRect(&m_barwall2,&brush); //绘制小球 if (m_state == STATE_START || m_state == STATE_COUNTINUE || m_state == STATE_PAUSE) { CBitmap bmp_ball; bmp_ball.LoadBitmap(IDB_BMPBALL); CBrush brush2; brush2.CreatePatternBrush(&bmp_ball); CRect ballrect; ballrect.left = m_actionrect.left + m_ballpos.x * 32 + 2; ballrect.top = m_actionrect.top + m_ballpos.y * 32; ballrect.right = ballrect.left + 32; ballrect.bottom = ballrect.top + 32; dc.FillRect(&ballrect,&brush2); //绘制小蛇（头） CBitmap bmp_head; switch (m_actionorient) { case ORIENT_TOP: if (isheadopen) bmp_head.LoadBitmap(IDB_BMPHEADTOPCLOSE); else bmp_head.LoadBitmap(IDB_BMPHEADTOPOPEN); break; case ORIENT_BOTTOM: if (isheadopen) bmp_head.LoadBitmap(IDB_BMPHEADDOWNCLOSE); else bmp_head.LoadBitmap(IDB_BMPHEADDOWNOPEN); break; case ORIENT_LEFT: if (isheadopen) bmp_head.LoadBitmap(IDB_BMPHEADLEFTCLOSE); else bmp_head.LoadBitmap(IDB_BMPHEADLEFTOPEN); break; case ORIENT_RIGHT: if (isheadopen) bmp_head.LoadBitmap(IDB_BMPHEADRIGHTCLOSE); else bmp_head.LoadBitmap(IDB_BMPHEADRIGHTOPEN); break; } isheadopen = !isheadopen; CBrush brush3; brush3.CreatePatternBrush(&bmp_head); CRect headrect; this->GetCellRect(m_path[0],&headrect); dc.FillRect(&headrect,&brush3); //绘制小蛇（身体） CBitmap bmp_body; bmp_body.LoadBitmap(IDB_BMPBODY); CBrush brush4; brush4.CreatePatternBrush(&bmp_body); CRect bodyrect; for (int i = 1 ; i < m_pathlen ; i++) { this->GetCellRect(m_path[i],&bodyrect); dc.FillRect(&bodyrect,&brush4); } } //绘制分数 // 新建字体 LOGFONT logFont; ZeroMemory(&logFont,sizeof(logFont)); logFont.lfWidth = 6; logFont.lfHeight = 12; logFont.lfCharSet = GB2312_CHARSET; strcpy(logFont.lfFaceName, "宋体" ); CFont fntNew; fntNew.CreateFontIndirect(&logFont); dc.SelectObject(&fntNew); CString str; str.Format("目前总积分：%d分",m_mark); CSize fntsize = dc.GetTextExtent(str); dc.SetTextColor(RGB(255,255,255)); dc.SetBkMode(TRANSPARENT); dc.TextOut(m_scoreboardrect.left + (m_scoreboardrect.Width() - fntsize.cx) / 2, m_scoreboardrect.top + (m_scoreboardrect.Height() - fntsize.cy) / 2 - 3, str); sdc.BitBlt(rect.left,rect.top,rect.Width(),rect.Height(),&dc,0,0,SRCCOPY); } int n = 1; BOOL CDrawDialog::OnInitDialog() { CDialog::OnInitDialog(); time_t t; n = time(&t); CalcRect(); m_state = STATE_STOP; m_level = 500; m_mark = 0; return TRUE; } void CDrawDialog::CalcBallPos() { CPoint pos,temp; n++; srand(n); pos.x = rand() % 15; pos.y = rand() % 15; temp.x = m_actionrect.left + pos.x * 32 + 5; temp.y = m_actionrect.top + pos.y * 32 +5; if (pos.x ==0 || pos.y == 0) { CalcBallPos(); return; } if (pos == m_ballpos) { CalcBallPos(); return; } if (PtInRect(&m_barwall1,temp)) { CalcBallPos(); return; } if (PtInRect(&m_barwall2,temp)) { CalcBallPos(); return; } for (int i = 0 ; i < m_pathlen ; i++) if (pos == m_path[i]) { CalcBallPos(); return; } m_ballpos = pos; } void CDrawDialog::Start() { CalcBallPos();//计算小球位置 //蛇头起始位置 memset(&m_path[0],-100,sizeof(CPoint) * 50); m_pathlen = 7; m_path[0].x = 1; m_path[0].y = 0; //游戏开始标记 m_state = STATE_START; m_actionorient = ORIENT_BOTTOM; this->SetTimer(1,m_level,NULL); this->SetTimer(2,100,NULL); this->Invalidate(false);//重画 } void CDrawDialog::CalcRect() { this->GetClientRect(&m_actionrect); m_scoreboardrect.left = m_actionrect.left + (m_actionrect.Width() - 292) / 2; m_scoreboardrect.top = m_actionrect.top; m_scoreboardrect.right = m_scoreboardrect.left + 292; m_scoreboardrect.bottom = m_actionrect.top + 62; m_actionrect.OffsetRect(30,62); m_actionrect.right = m_actionrect.left + 480 + 3; m_actionrect.bottom = m_actionrect.top + 480 + 3; m_barwall1.left = m_actionrect.left + 8 * 32 + 2; m_barwall1.top = m_actionrect.top + 9 * 32; m_barwall1.right = m_barwall1.left + 32; m_barwall1.bottom = m_actionrect.bottom; m_barwall2.left = m_actionrect.left + 3 * 32 + 2; m_barwall2.top = m_actionrect.top + 12 * 32 + 2; m_barwall2.right = m_barwall2.left + 3 * 32; m_barwall2.bottom = m_barwall2.top + 32; } void CDrawDialog::OnSize(UINT nType, int cx, int cy) { CDialog::OnSize(nType, cx, cy); CalcRect(); } void CDrawDialog::OnTimer(UINT nIDEvent) { if (nIDEvent == 1) { if (m_state == STATE_START || m_state == STATE_COUNTINUE) { CPoint p; if (GetActionPos(&p)) { if (p == m_ballpos) { CalcBallPos(); m_pathlen++; //加分 if (m_level == 500) m_mark += 100; else if (m_level == 300) m_mark += 300; else if (m_level == 100) m_mark += 500; } MovePos(); m_path[0] = p; if (m_pathlen == 50) { if (m_level == 500) { m_level = 300; }else if (m_level == 300) { m_level = 100; } Start(); } } else { m_mark -= 500;//失败减分 Stop(); MessageBox("GAME OVER!","提示!"); } } } else this->Invalidate(false); CDialog::OnTimer(nIDEvent); } BOOL CDrawDialog::GetActionPos(CPoint *pos) { //计算小蛇活动的下一个点 CPoint tmppos; tmppos = m_path[0]; switch (m_actionorient) { case ORIENT_LEFT: tmppos