一、地图文件读取模块的设计与实现

地图文件读取模块，主要负责将地图文件进行读取，并把相应的文件数据转换成地图显示出来，其设计步骤如下

1：读取当前文件夹中的地图文件

2：判断当前选择关口是否在文件中存在

3：如果存在则把当前关口的地图信息放置到地图数组中

其实现代码如下

void CBoxManDlg::loadMap(int iMissionNum)
{CString str;str.Format("[%d]", iMissionNum);FILE *pFile = fopen("map.txt", "rb");if (pFile == NULL)return;char cTmp[20];fgets(cTmp, 20, pFile);while (strncmp(cTmp, str, 3) != 0){fgets(cTmp, 20, pFile);}for (int i = 0; i < 14; i++)fgets(m_cMap[i], 20, pFile);fclose(pFile);
}

二、地图绘制模块的设计与实现

绘制地图模块主要负责将地图数组中的数据绘制成地图图像，其设计分为如下几个步骤

1：根据要求，实现不同类型格子的绘制函数，地图数组以及地图文件中各个字符代表的意思如下

2：读取地图数据，根据不同的数据调用不同的绘图函数

代码如下

void CBoxManDlg::drawMap(CDC *pDC)
{int i, j, x, y;for (i = 0; i < 14; i++){for (j = 0; j < 16; j++){x = j * 20;y = i * 20;switch (m_cMap[i][j]){case MAP_BACK://0drawBack(x, y, pDC);break;case MAP_WHITEWALL://1drawWhiteWall(x, y, pDC);break;case MAP_BLUEWALL://2drawBlueWall(x, y, pDC);break;case MAP_BALL://3drawBall(x, y, pDC);break;case MAP_BOX://4drawBox(x, y, pDC);break;case MAP_REDBOX://5drawRedBox(x, y, pDC);break;case MAP_MAN://6drawMan(x, y, pDC);break;case MAP_MANBALL://7drawManBall(x, y, pDC);break;}}}COLORREF crText = pDC->GetTextColor();COLORREF crBack = pDC->GetBkColor();pDC->SetTextColor(RGB(255, 0, 0));pDC->SetBkColor(RGB(255, 255, 255));CString str;str.Format("当前等级: %02d", g_level);pDC->TextOut(330, 50, str);str.Format("已走步数: %03d", passtime);pDC->TextOut(330, 100, str);
}
void CBoxManDlg::drawBack(int x, int y, CDC *pDC)
{COLORREF clr = RGB(0, 0, 0);pDC->FillSolidRect(x, y, 20, 20, clr);
}void CBoxManDlg::drawWhiteWall(int x, int y, CDC *pDC)
{COLORREF clr1 = RGB(255, 255, 255);COLORREF clr2 = RGB(48, 48, 48);COLORREF clr3 = RGB(192, 192, 192);pDC->FillSolidRect(x, y, 19, 19, clr1);pDC->FillSolidRect(x + 1, y + 1, 19, 19, clr2);pDC->FillSolidRect(x + 1, y + 1, 18, 18, clr3);pDC->MoveTo(x, y + 10);pDC->LineTo(x + 20, y + 10);pDC->MoveTo(x + 10, y + 10);pDC->LineTo(x + 10, y + 20);
}void CBoxManDlg::drawBlueWall(int x, int y, CDC *pDC)
{COLORREF clr = RGB(0, 0, 255);pDC->FillSolidRect(x, y, 20, 20, clr);pDC->MoveTo(x, y + 10);pDC->LineTo(x + 20, y + 10);pDC->MoveTo(x + 10, y + 10);pDC->LineTo(x + 10, y + 20);
}void CBoxManDlg::drawBall(int x, int y, CDC *pDC)
{COLORREF clr = RGB(0, 0, 255);pDC->FillSolidRect(x, y, 20, 20, clr);pDC->MoveTo(x, y + 10);pDC->LineTo(x + 20, y + 10);pDC->MoveTo(x + 10, y + 10);pDC->LineTo(x + 10, y + 20);pDC->Ellipse(x, y, x + 20, y + 20);pDC->Ellipse(x + 5, y + 5, x + 15, y + 15);
}void CBoxManDlg::drawBox(int x, int y, CDC *pDC)
{COLORREF clr = RGB(255, 255, 0);pDC->FillSolidRect(x, y, 20, 20, clr);COLORREF clr2 = RGB(255, 192, 0);pDC->FillSolidRect(x + 2, y + 2, 16, 16, clr2);COLORREF clr3 = RGB(0, 0, 0);pDC->SetPixel(x + 3, y + 3, clr3);pDC->SetPixel(x + 17, y + 3, clr3);pDC->SetPixel(x + 3, y + 17, clr3);pDC->SetPixel(x + 17, y + 17, clr3);
}void CBoxManDlg::drawRedBox(int x, int y, CDC *pDC)
{COLORREF clr = RGB(255, 255, 0);pDC->FillSolidRect(x, y, 20, 20, clr);COLORREF clr2 = RGB(255, 0, 0);pDC->FillSolidRect(x + 2, y + 2, 16, 16, clr2);COLORREF clr3 = RGB(0, 0, 0);pDC->SetPixel(x + 3, y + 3, clr3);pDC->SetPixel(x + 17, y + 3, clr3);pDC->SetPixel(x + 3, y + 17, clr3);pDC->SetPixel(x + 17, y + 17, clr3);
}void CBoxManDlg::drawMan(int x, int y, CDC *pDC)
{COLORREF clr = RGB(0, 0, 255);                   //蓝色墙pDC->FillSolidRect(x, y, 20, 20, clr);pDC->MoveTo(x, y + 10);pDC->LineTo(x + 20, y + 10);pDC->MoveTo(x + 10, y + 10);pDC->LineTo(x + 10, y + 20);pDC->Ellipse(x + 6, y + 2, x + 14, y + 10);      //人头pDC->MoveTo(x + 2, y + 11);                      //人手pDC->LineTo(x + 18, y + 11);pDC->MoveTo(x + 10, y + 10);                     //人身体pDC->LineTo(x + 10, y + 12);pDC->MoveTo(x + 2, y + 20);                      //人脚pDC->LineTo(x + 10, y + 12);pDC->LineTo(x + 18, y +20);
}void CBoxManDlg::drawManBall(int x, int y, CDC *pDC)
{COLORREF clr = RGB(0, 0, 255);                   //球pDC->FillSolidRect(x, y, 20, 20, clr);pDC->MoveTo(x, y + 10);pDC->LineTo(x + 20, y + 10);pDC->MoveTo(x + 10, y + 10);pDC->LineTo(x + 10, y + 20);pDC->Ellipse(x, y, x + 20, y + 20);pDC->Ellipse(x + 5, y + 5, x + 15, y + 15);pDC->Ellipse(x + 6, y + 2, x + 14, y + 10);      //人头pDC->MoveTo(x + 2, y + 11);                      //人手pDC->LineTo(x + 18, y + 11);pDC->MoveTo(x + 10, y + 10);                     //人身体pDC->LineTo(x + 10, y + 12);pDC->MoveTo(x + 2, y + 20);                      //人脚pDC->LineTo(x + 10, y + 12);pDC->LineTo(x + 18, y +20);
}

三、键盘操作模块的设计与实现

键盘操作模块主要负责接收玩家键盘输入并进行箱子移动等处理，其设计比较简单，只需要通过如下几步即可实现

1：通过截获当前窗口键盘按下消息来判断玩家按下的按键

2：根据玩家标下的按键把主角的相关坐标进行加减，

3：增加后的数据与地图数组中的数据进行比较，只要不是白墙就可以移动，如果是箱子还需要将箱子的坐标进行移动

4：但要注意，要判断箱子移动后的坐标是否可以移动

代码如下

BOOL CBoxManDlg::PreTranslateMessage(MSG* pMsg)
{if(pMsg->message == WM_KEYDOWN) { updateMap(pMsg->wParam);Invalidate(false);if (isFinish()){AfxMessageBox("您获得胜利,将进入下一关!");g_level = g_level +1;if (g_level > g_maxlevel)g_level = 1;GameStart();}}return CDialog::PreTranslateMessage(pMsg);
}
void CBoxManDlg::updateMap(UINT nChar)
{int x1, y1, x2, y2, x3, y3;x1 = m_ptManPosition.x;y1 = m_ptManPosition.y;switch (nChar){case VK_UP:x2 = x1;y2 = y1 - 1;x3 = x1;y3 = y1 - 2;ReDrawMap(x1, y1, x2, y2, x3, y3);break;case VK_DOWN:x2 = x1;y2 = y1 + 1;x3 = x1;y3 = y1 + 2;ReDrawMap(x1, y1, x2, y2, x3, y3);break;case VK_LEFT:x2 = x1 - 1;y2 = y1;x3 = x1 - 2;y3 = y1;ReDrawMap(x1, y1, x2, y2, x3, y3);break;case VK_RIGHT:x2 = x1 + 1;y2 = y1;x3 = x1 + 2;y3 = y1;ReDrawMap(x1, y1, x2, y2, x3, y3);break;default:break;}
}void CBoxManDlg::ReDrawMap(int x1, int y1, int x2, int y2, int x3, int y3)
{switch (m_cMap[y2][x2]){case MAP_BACK:           //地图有问题MessageBox("地图有问题");break;case MAP_WHITEWALL:          break;case MAP_BLUEWALL:           m_cMap[y2][x2] = MAP_MAN;if (m_cMap[y1][x1] == MAP_MAN)m_cMap[y1][x1] = MAP_BLUEWALL;else if (m_cMap[y1][x1] == MAP_MANBALL)m_cMap[y1][x1] = MAP_BALL;m_ptManPosition.x = x2;m_ptManPosition.y = y2;passtime++;break;case MAP_BALL:            m_cMap[y2][x2] = MAP_MANBALL;if (m_cMap[y1][x1] == MAP_MAN)m_cMap[y1][x1] = MAP_BLUEWALL;else if (m_cMap[y1][x1] == MAP_MANBALL)m_cMap[y1][x1] = MAP_BALL;        m_ptManPosition.x = x2;m_ptManPosition.y = y2;passtime++;break;case MAP_BOX:         if (m_cMap[y3][x3] == MAP_BALL) {m_cMap[y3][x3] = MAP_REDBOX;m_cMap[y2][x2] = MAP_MAN;if (m_cMap[y1][x1] == MAP_MAN)m_cMap[y1][x1] = MAP_BLUEWALL;else if (m_cMap[y1][x1] == MAP_MANBALL)m_cMap[y1][x1] = MAP_BALL;m_ptManPosition.x = x2;m_ptManPosition.y = y2;passtime++;}else if (m_cMap[y3][x3] == MAP_BLUEWALL) {m_cMap[y3][x3] = MAP_BOX;m_cMap[y2][x2] = MAP_MAN;if (m_cMap[y1][x1] == MAP_MAN)m_cMap[y1][x1] = MAP_BLUEWALL;else if (m_cMap[y1][x1] == MAP_MANBALL)m_cMap[y1][x1] = MAP_BALL;m_ptManPosition.x = x2;m_ptManPosition.y = y2;passtime++;}break;case MAP_REDBOX:             if (m_cMap[y3][x3] == MAP_BALL){m_cMap[y3][x3] = MAP_REDBOX;m_cMap[y2][x2] = MAP_MANBALL;if (m_cMap[y1][x1] == MAP_MAN)m_cMap[y1][x1] = MAP_BLUEWALL;else if (m_cMap[y1][x1] == MAP_MANBALL)m_cMap[y1][x1] = MAP_BALL;m_ptManPosition.x = x2;m_ptManPosition.y = y2;passtime++;}else if (m_cMap[y3][x3] == MAP_BLUEWALL){m_cMap[y3][x3] = MAP_BOX;m_cMap[y2][x2] = MAP_MANBALL;if (m_cMap[y1][x1] == MAP_MAN)m_cMap[y1][x1] = MAP_BLUEWALL;else if (m_cMap[y1][x1] == MAP_MANBALL)m_cMap[y1][x1] = MAP_BALL;m_ptManPosition.x = x2;m_ptManPosition.y = y2;passtime++;}        break;case MAP_MAN:            //地图有问题MessageBox("地图有问题");break;case MAP_MANBALL:            //地图有问题MessageBox("地图有问题");break;}
}void CBoxManDlg::loadMap(int iMissionNum)
{CString str;str.Format("[%d]", iMissionNum);FILE *pFile = fopen("map.txt", "rb");if (pFile == NULL)return;char cTmp[20];fgets(cTmp, 20, pFile);while (strncmp(cTmp, str, 3) != 0){fgets(cTmp, 20, pFile);}for (int i = 0; i < 14; i++)fgets(m_cMap[i], 20, pFile);fclose(pFile);
}

四、游戏规则模块的设计与实现

游戏规则模块，注意负责游戏规则的判断，其设计方法比较简单，需要在每次玩家移动主角后，对当前地图数组进行判断

BOOL CBoxManDlg::isFinish()
{for (int i = 0; i < 14; i++){for (int j = 0; j < 16; j++){if (m_cMap[i][j] == MAP_BALL || m_cMap[i][j] == MAP_MANBALL){return FALSE;}}}return TRUE;
}

五、主对话框的设计与实现

主要有如下几个部分

1：游戏初始化处理函数

2：菜单初始化处理函数

3：绘图函数处理

void CBoxManDlg::OnPaint()
{if (IsIconic()){CPaintDC dc(this); // device context for paintingSendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);// Center icon in client rectangleint 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 icondc.DrawIcon(x, y, m_hIcon);}else{CPaintDC dc(this);drawMap(&dc);CDialog::OnPaint();}
}

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