基于C++和QT实现扫雷小程序源码（可以自定义游戏棋盘大小和地雷数）.zip

#include "minearea.h" #include <QRandomGenerator> #include <QDebug> #include <QQueue> MineArea::MineArea(QWidget *parent, int row, int col, int mineCount) : QFrame(parent), row(row), col(col), mineCount(mineCount) { // 设置边框以及大小 this->setFrameShape(QFrame::StyledPanel); this->setFrameShadow(QFrame::Sunken); this->setMaximumSize(col*20, row*20); this->setMinimumSize(col*20, row*20); this->resize(this->minimumSize()); // 布局 mainLayout = new QGridLayout(this); mainLayout->setMargin(0); mainLayout->setSpacing(0); // 设置格子 randomGridsData(); // 插旗数为0 this->flagCount = 0; // 扫描完成数 this->scanedCount = 0; // 判断结果信号，连接判断结果槽 connect(this, &MineArea::judgeIsWin, this, &MineArea::slotJudgeIsWin); } // 随机化数据 void MineArea::randomGridsData() { // new 指针二维数组 grids = new Grid**[row]; for(int i = 0;i < row;i++) grids[i] = new Grid*[col]; // 创建内存，然后设置数据为0 for(int i=0;i < row;i++) { for(int j = 0;j < col;j++) { grids[i][j] = new Grid(this, i, j, 0, false); mainLayout->addWidget(grids[i][j], i, j); // 格子打开信号->打开周围空白格子 connect(grids[i][j], &Grid::gridOpen, this, &MineArea::slotOpenEmptyGrid); // 格子状态改变信号->统计插旗数 connect(grids[i][j], &Grid::changeStatus, this, &MineArea::slotUpdateFlagCount); // 格子状态改变信号->统计完成扫描数 connect(grids[i][j], &Grid::changeStatus, this, &MineArea::slotUpdateScanedCount); } } int r,c; // 设置mineCount个地雷 for(int k = 0;k < mineCount;k++) { // 生成随机坐标点 r = QRandomGenerator::global()->bounded(0, row); c = QRandomGenerator::global()->bounded(0, col); // -1为有雷 if(grids[r][c]->getData() != -1) { grids[r][c]->setData(-1); grids[r][c]->setIsMine(true); } else { k--; continue; } // 地雷周围数据加一 for(int i = -1;i <= 1;i++) { for(int j = -1;j <= 1;j++) { int newR = r + i; int newC = c + j; // 边界之内，并且不是地雷，数据加一 if(0 <= newR && newR < row && 0 <= newC && newC < col && grids[newR][newC]->getData() != -1) { grids[newR][newC]->setData(grids[newR][newC]->getData() + 1); } } } } } // 重新开始游戏 void MineArea::slotRestartGame(int newRow, int newCol, int newMineCount) { // delete 动态创建的内存 for(int i = 0;i < row;i++) { for(int j = 0;j < col;j++) { mainLayout->removeWidget(grids[i][j]); grids[i][j]->setParent(nullptr); delete grids[i][j]; } delete [] grids[i]; } delete[] grids; // 更新棋盘大小 row = newRow; col = newCol; mineCount = newMineCount; // 设置大小 this->setMaximumSize(col*20, row*20); this->setMinimumSize(col*20, row*20); this->resize(col*20, row*20); // new 新内存 randomGridsData(); // 初始化插旗数和扫描数 flagCount = 0; scanedCount = 0; } // 打开周围空格子的槽 int step[4][2] = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; void MineArea::slotOpenEmptyGrid(int rowIndex, int colIndex, bool isData) { // 如果是数字格子打开，那么不打开周围的格子 if(isData) return ; // 打开空白格子四周的格子 int newRow; int newCol; for(int i = 0;i < 4;i++) { newRow = rowIndex + step[i][0]; newCol = colIndex + step[i][1]; // 对边界之内的格子进行打开操作 if(0 <= newRow && newRow < row && 0 <= newCol && newCol < col) { // 如果四周是空白格子或者数字格子，那么打开 if(grids[newRow][newCol]->getData() >= 0 && grids[newRow][newCol]->getStatus() == Grid::CLOSE) { emit grids[newRow][newCol]->changeStatus(Grid::OPEN, grids[newRow][newCol]->getStatus()); } } } } // 更新插旗数量的槽 void MineArea::slotUpdateFlagCount(Grid::STATUS newStatus, Grid::STATUS oldStatus) { // 插旗动作，插旗数量加一 if(oldStatus == Grid::CLOSE && newStatus == Grid::FLAG) this->flagCount++; // 取消插旗动作，插旗数量减一 else if(oldStatus == Grid::FLAG && newStatus == Grid::CLOSE) this->flagCount--; emit updateFlagCount(flagCount); } // 更新扫描完成数量 的槽 void MineArea::slotUpdateScanedCount(Grid::STATUS newStatus, Grid::STATUS oldStatus) { // 插旗动作，扫描完成的数量加一 if(oldStatus == Grid::CLOSE && newStatus == Grid::FLAG) this->scanedCount++; // 取消插旗动作，扫描完成数量减一 else if(oldStatus == Grid::FLAG && newStatus == Grid::CLOSE) this->scanedCount--; else if(newStatus == Grid::OPEN)// && newStatus == Grid::BOOM) this->scanedCount++; // 所有格子扫描完成并且插旗数量正确那么发射结束扫描信号 或者 产生爆炸时发射结束扫描信号 if((oldStatus == Grid::OPEN && newStatus == Grid::BOOM) || (scanedCount == row*col && flagCount == mineCount)) { emit judgeIsWin(); } } // 判断是否成功的槽 bool MineArea::slotJudgeIsWin() { for(int i = 0;i < row;i++) { for(int j =0;j < col;j++) { // 如果格子处于爆炸状态，游戏输 if(grids[i][j]->getStatus() == Grid::BOOM) { emit finishedScan(false); return false; } } } emit finishedScan(true); return true; } // 打开所有格子，公布结果 void MineArea::slotOpenAllGrid() { for(int i = 0;i < row;i++) { for(int j =0;j < col;j++) { // 如果是关闭状态，并且是雷, MINE if(grids[i][j]->getStatus() == Grid::CLOSE && grids[i][j]->getIsMine()){ grids[i][j]->slotChangeStatus(Grid::MINE); } // 如果是关闭状态，并且是数据, OPEN else if(grids[i][j]->getStatus() == Grid::CLOSE) { grids[i][j]->slotChangeStatus(Grid::OPEN); } // 如果是插旗状态，并且是雷, FLAG else if(grids[i][j]->getStatus() == Grid::FLAG && grids[i][j]->getIsMine()) { grids[i][j]->slotChangeStatus(Grid::FLAG); } // 如果是插旗状态，并且是数据, ERRORMINE else if(grids[i][j]->getStatus() == Grid::FLAG && !grids[i][j]->getIsMine()) { grids[i][j]->slotChangeStatus(Grid::ERRORMINE); } } } }