Qt版本中国象棋：实现《双人对战》、《人机对战》、《网络对战》三种模式。

#include "mainplaywidget.h" #include "ui_mainplaywidget.h" #include <QPainter> #include <QPoint> #include <QDebug> #include <QMessageBox> #include <QMouseEvent> #include <QTimer> #include <QTime> //#pragma execution_character_set("utf-8") MainPlayWidget::MainPlayWidget(QWidget *parent) : QWidget(parent) , ui(new Ui::MainPlayWidget) { ui->setupUi(this); this->setWindowFlags(Qt::FramelessWindowHint); InitParams(); m_timer = new QTimer(this); //初始化定时器 m_timeRecord = new QTime(0, 0, 0); //初始化时间 connect(m_timer,SIGNAL(timeout()),this,SLOT(updateTime())); m_timer->start(1000); } MainPlayWidget::~MainPlayWidget() { delete ui; } void MainPlayWidget::SetWindowTitle(const QString &strTitle) { ui->label_logotext->setText(strTitle); } void MainPlayWidget::InitParams() { for(int i = 0; i<32; i++) { m_ChessPieces[i].init(i); } m_nSelectID = -1; m_nCheckedID = -1; m_nTcpServer = 1; m_nSide = 1; m_bIsOver = false; QPalette palet; palet.setColor(QPalette::WindowText,Qt::green); ui->label_fightstatus->setPalette(palet); ui->label_fightstatus->setText("正在对弈....."); } void MainPlayWidget::mouseMoveEvent(QMouseEvent *event) { if(event->buttons() & Qt::RightButton) { //移到左上角 move(event->globalPos() - m_point); } } QPoint MainPlayWidget::Transform(int row, int col) { QPoint rePoint; //这里注意坐标的转换 rePoint.ry() = row*m_nDistance+m_nVOffSet; rePoint.rx() = col*m_nDistance+m_nHOffSet; return rePoint; } QPoint MainPlayWidget::Transform(int id) { return Transform(m_ChessPieces[id].m_nRow, m_ChessPieces[id].m_nCol); } QPoint MainPlayWidget::GetRealPostion(const QPoint& pt) { double dwScale = rect().width()/800.0; double dhScale = rect().height()/800.0; double dScale = qMin(dwScale,dhScale); QPoint realPt; realPt.setX(pt.x() / dScale); realPt.setY(pt.y() / dScale); return realPt; } bool MainPlayWidget::GetSelectStatus(const QPoint &pt, int &row, int &col) { for(row = 0; row <= 9; row++) { for(col = 0; col <= 8; col++) { QPoint temp = Transform(row, col); int x = temp.x()-pt.x(); int y = temp.y()-pt.y(); // 棋子圆形范围内即为选中 if(x*x+y*y < m_nRadio*m_nRadio) { return true; } } } return false; } bool MainPlayWidget::GetDeadStatus(int id) { if(id == -1) { return true; } return m_ChessPieces[id].m_bDead; } int MainPlayWidget::GetChessId(int row, int col) { for(int i = 0; i < 32; ++i) { if(m_ChessPieces[i].m_nRow == row && m_ChessPieces[i].m_nCol == col && !GetDeadStatus(i)) { return i; } } return -1; } int MainPlayWidget::getChessCountAtLine(int row1, int col1, int row2, int col2) { int nCount = 0; if(row1 != row2 && col1 != col2) return -1; if(row1 == row2 && col1 == col2) return -1; if(row1 == row2) { int min = col1 < col2 ? col1 : col2; int max = col1 < col2 ? col2 : col1; for(int col = min+1; col<max; ++col) { if(GetChessId(row1, col) != -1) { ++nCount; } } } else { int min = row1 < row2 ? row1 : row2; int max = row1 < row2 ? row2 : row1; for(int row = min+1; row<max; ++row) { if(GetChessId(row, col1) != -1) { ++nCount; } } } return nCount; } void MainPlayWidget::mousePressEvent(QMouseEvent* ev) { // 右键移动窗口使用 if(ev->button() == Qt::RightButton) { //求坐标差值：当前点击坐标-窗口左上角坐标 m_point = ev->globalPos() - this->frameGeometry().topLeft(); } //只响应鼠标左键的单击操作 防止游戏结束重复弹框 if(ev->button() != Qt::LeftButton || ev->type() != QEvent::Type::MouseButtonPress) { return; } QPoint pt = ev->pos(); pt = GetRealPostion(pt); //将pt转化成棋盘的像行列值,判断这个行列值上面有没有棋子 int row = -1; int col = -1; //未选中棋子不做处理 if(!GetSelectStatus(pt, row, col)) { return; } if(m_bIsOver) { QMessageBox message(QMessageBox::Information, "提示", "本局已结束，请重新开始."); message.setIconPixmap(QPixmap(":/images/win.jpg")); message.setFont(QFont("华文行楷",16,QFont::Bold)); message.exec(); return; } //判断是哪一个棋子被选中，记录棋子ID m_nCheckedID = -1; for(int i = 0; i <= 31; i++) { if(m_ChessPieces[i].m_nRow == row && m_ChessPieces[i].m_nCol == col && m_ChessPieces[i].m_bDead == false) { m_nCheckedID = i; break; } } clickPieces(m_nCheckedID, row, col); update(); GetGameOverStatus(); } void MainPlayWidget::clickPieces(int checkedID, int &row, int &col) { m_nCheckedID = checkedID; if(m_nSelectID == -1) { if(m_nCheckedID != -1) { if(m_nSide == m_ChessPieces[m_nCheckedID].m_nSide) { m_nSelectID = m_nCheckedID; } } } else//移动棋子或换一个同色其中进行选中 { if(canMove(m_nSelectID, m_nCheckedID, row, col )) { //m_nSelectID为第一次点击选中的棋子， //m_nCheckedID为第二次点击||被杀的棋子ID||准备选中棋子下子的地方 m_ChessPieces[m_nSelectID].m_nRow = row; m_ChessPieces[m_nSelectID].m_nCol = col; if(m_nCheckedID != -1) { m_ChessPieces[m_nCheckedID].m_bDead = true; } m_nSelectID = -1; m_nSide = abs(m_nSide-1); if(m_nSide == 1) { ui->label_bluestatus->setText("选手状态：操作完成"); ui->label_redstatus->setText("选手状态：正在思考..."); } else { ui->label_redstatus->setText("选手状态：操作完成"); ui->label_bluestatus->setText("选手状态：正在思考..."); } } } } bool MainPlayWidget::canMove(int moveId, int killId, int row, int col) { // 在同色棋子之间选择：处于思考状态，在考虑选哪个棋子进行移动 if(killId != -1) { if(m_ChessPieces[moveId].m_nSide == m_ChessPieces[killId].m_nSide) { m_nSelectID = killId; return false; } } //移动选中棋子至空白处或吃掉对方棋子 switch (m_ChessPieces[moveId].m_emType) { case ChessPieces::JIANG: return canMoveJIANG(moveId, row, col); case ChessPieces::SHI: return canMoveSHI(moveId, row, col); case ChessPieces::XIANG: return canMoveXIANG(moveId, row, col); case ChessPieces::MA: return canMoveMA(moveId, row, col); case ChessPieces::CHE: return canMoveCHE(moveId, row, col); case ChessPieces::PAO: return canMovePAO(moveId, killId, row, col); case ChessPieces::BING: return canMoveBING(moveId, row, col); } return true; } bool MainPlayWidget::canMoveJIANG(int moveId, int row, int col) { if(m_ChessPieces[moveId].m_nSide == 1) //红 将 { if(row < 7 || col < 3 || co