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ChessBoard.cpp
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ChessBoard.cpp
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#include "ChessBoard.h"
ChessBoard::ChessBoard(QWidget *parent) : QFrame(parent)
{
_boardlength=pieceradius*2*rowgridnum;
_boardwidth=pieceradius*2*rowgridnum;
_originalpoint=QPoint(pieceradius,pieceradius);
_gridsidelength=pieceradius*2;
_sidelength=_gridsidelength*(rowgridnum-1);
_total=0;
_currentplayer=true;//black
for(size_t row=0;row<rowgridnum;row++)//初始化位置管理器_location
{
for(size_t col=0;col<rowgridnum;col++)
{
_location[row][col].point=QPoint(_originalpoint.x()+col*_gridsidelength,_originalpoint.y()+row*_gridsidelength);
_location[row][col].isLocated=false;
}
}
setFixedSize(_boardlength,_boardwidth);
setStyleSheet("background-color:rgb(166,137,124)");
update();
}
void ChessBoard::drawPiece(size_t row, size_t col, bool isBlack)
{
_location[row][col].isLocated=true;
if(isBlack){_location[row][col].piece.setIsBlack(true);}
else{_location[row][col].piece.setIsBlack(false);}
_total++;
_AI.setLoc(row,col,isBlack);//AI
update();
}
void ChessBoard::cleanPiece(size_t row, size_t col)//need testing
{
_location[row][col].isLocated=false;
_total--;
_AI.setLoc(row,col,2);//AI
update();
}
void ChessBoard::cleanAllPeices()//need testing
{
for(size_t row=0;row<rowgridnum;row++)
{
for(size_t col=0;col<rowgridnum;col++)
{
cleanPiece(row,col);
}
}
update();
}
bool ChessBoard::isLocatedPiece(size_t row, size_t col)
{
return _location[row][col].isLocated;
}
bool ChessBoard::isBlackPiece(size_t row, size_t col)
{
return _location[row][col].piece.isBlack();
}
void ChessBoard::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
for(size_t i=0;i<rowgridnum;i++)//绘制纵线
{painter.drawLine(QPoint(_originalpoint.x()+i*_gridsidelength,_originalpoint.y()),
QPoint(_originalpoint.x()+i*_gridsidelength,_originalpoint.y()+_gridsidelength*(rowgridnum-1)));
}
for(size_t i=0;i<rowgridnum;i++)//绘制横线
{painter.drawLine(QPoint(_originalpoint.x(),_originalpoint.y()+i*_gridsidelength),
QPoint(_originalpoint.x()+_gridsidelength*(rowgridnum-1),_originalpoint.y()+i*_gridsidelength));
}
painter.setBrush(Qt::black);
painter.drawEllipse(QPoint(_originalpoint.x()+_gridsidelength*3,_originalpoint.y()+_gridsidelength*3),3,3);//左上星
painter.drawEllipse(QPoint(_originalpoint.x()+_sidelength-_gridsidelength*3,_originalpoint.y()+_gridsidelength*3),3,3);//右上星
painter.drawEllipse(QPoint(_originalpoint.x()+_gridsidelength*3,_originalpoint.y()+_sidelength-_gridsidelength*3),3,3);//左下星
painter.drawEllipse(QPoint(_originalpoint.x()+_sidelength-_gridsidelength*3,_originalpoint.y()+_sidelength-_gridsidelength*3),3,3);//右下星
painter.drawEllipse(QPoint(_originalpoint.x()+_gridsidelength*(rowgridnum-1)/2,_originalpoint.y()+_gridsidelength*(rowgridnum-1)/2),3,3);//天元
painter.setBrush(Qt::NoBrush);
for(size_t row=0;row<rowgridnum;row++)//绘制棋子
{
for(size_t col=0;col<rowgridnum;col++)
{
if(_location[row][col].isLocated)
{
QPen pen;
if(_location[row][col].piece.isBlack())
{
pen.setBrush(Qt::black);painter.setBrush(Qt::black);
}
else{pen.setBrush(Qt::white);painter.setBrush(Qt::white);}
painter.setPen(pen);
painter.drawEllipse(_location[row][col].point,_location[row][col].piece.radius(),_location[row][col].piece.radius());
}
}
}
}
void ChessBoard::mousePressEvent(QMouseEvent *event)
{
if(isPVP())
{
int row=static_cast<size_t>(event->y()/_gridsidelength),col=static_cast<size_t>(event->x()/_gridsidelength);
if(!isLocatedPiece(row,col))
{
drawPiece(row,col,_currentplayer);
update();
}
if(isFiveInARow(row,col))
{
if(_currentplayer)
{
QMessageBox::information(this,tr("BLACK WIN!"),tr("BLACK WIN!"),QMessageBox::Ok);
}
else
{
QMessageBox::information(this,tr("WHITE WIN!"),tr("WHITE WIN!"),QMessageBox::Ok);
}
init();
return;
}
if(_total==rowgridnum*rowgridnum)
{
QMessageBox::information(this,tr("DRAWN GAME"),tr("DRAWN GAME"),QMessageBox::Ok);
init();
return;
}
_currentplayer =!_currentplayer;
}
else
{
//PVE condition//悔棋功能也要分两类实现
//Player:
int row=static_cast<size_t>(event->y()/_gridsidelength),col=static_cast<size_t>(event->x()/_gridsidelength);
if(!isLocatedPiece(row,col))
{
drawPiece(row,col,true);//默认玩家先手持黑
update();
}
else{return;}
if(isFiveInARow(row,col))
{
QMessageBox::information(this,tr("BLACK WIN!"),tr("BLACK WIN!"),QMessageBox::Ok);
init();
return;
}
if(_total==rowgridnum*rowgridnum)
{
QMessageBox::information(this,tr("DRAWN GAME"),tr("DRAWN GAME"),QMessageBox::Ok);
init();
return;
}
//AI:
Loc tmp=_AI.analyse();
qDebug()<<tmp.row<<""<<tmp.col;//test
drawPiece(tmp.row,tmp.col,false);//默认AI后手持白
update();
if(isFiveInARow(tmp.row,tmp.col))
{
QMessageBox::information(this,tr("WHITE WIN!"),tr("WHITE WIN!"),QMessageBox::Ok);
init();
return;
}
if(_total==rowgridnum*rowgridnum)
{
QMessageBox::information(this,tr("DRAWN GAME"),tr("DRAWN GAME"),QMessageBox::Ok);
init();
return;
}
}
}
bool ChessBoard::isPVP() const
{
return _isPVP;
}
void ChessBoard::setIsPVP(bool isPVP)
{
_isPVP = isPVP;
}
bool ChessBoard::currentplayer() const
{
return _currentplayer;
}
void ChessBoard::setCurrentplayer(bool currentplayer)
{
_currentplayer = currentplayer;
}
void ChessBoard::init()
{
cleanAllPeices();
setCurrentplayer(true);
_AI.init();
}
bool ChessBoard::isFiveInARow(size_t row,size_t col)
{
if(!isLocatedPiece(row,col)){return false;}
int counter=1;
for(size_t i=row+1;i<rowgridnum;i++)//向下
{
if(isLocatedPiece(i,col))
{
if(isBlackPiece(row,col)==isBlackPiece(i,col))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=row-1;i>=0;i--)//向上
{
if(isLocatedPiece(i,col))
{
if(isBlackPiece(row,col)==isBlackPiece(i,col))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断纵向
counter=1;
for(size_t i=col+1;i<rowgridnum;i++)//向右
{
if(isLocatedPiece(row,i))
{
if(isBlackPiece(row,col)==isBlackPiece(row,i))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=col-1;i>=0;i--)//向左
{
if(isLocatedPiece(row,i))
{
if(isBlackPiece(row,col)==isBlackPiece(row,i))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断横向
counter=1;
for(size_t i=row+1,j=col+1;i<rowgridnum&&j<rowgridnum;i++,j++)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=row-1,j=col-1;i>=0&&j>=0;i--,j--)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断斜下
counter=1;
for(int i=row-1,j=col+1;i>=0&&j<rowgridnum;i--,j++)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=row+1,j=col-1;i<rowgridnum&&j>=0;i++,j--)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断斜上
return false;
}