#include <iostream>
#include <memory.h>
#include <cmath>
using namespace std;//存储结构：chess类是基类，派生类是各种棋子，在chessboard类中用chess的指针调用各个棋子
class chessboard;
class chess{
private:
int id;//等级
public:
chess(int i):id(i){}
int get(){return id;}
virtual bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy)=0;
virtual ~chess(){};//虚析构
};
class chessboard{
private:
chess *c[10][9];
char chessword[15][4]={"帅","相","炮","士","車","馬","兵","","卒","马","车","仕","砲","象","将"};//名字
public:
chessboard(){memset(c, NULL, sizeof(c));};//把指针初始化为零指针
void init();
chess* get(int x,int y){return c[x][y];}
int getid(int x,int y){ if(c[x][y]!=NULL) return c[x][y]->get();return 0;}
void show();
void play();
bool move(int startx,int starty,int aimx,int aimy);
~chessboard();//析构函数
static bool end;//判断结束
static int player;
};
bool chessboard::end=true;
int chessboard::player=-1;
bool chessboard::move(int startx,int starty,int aimx,int aimy){
if(startx>=0&&startx<10&&starty>=0&&starty<9//初步判断传入的点是否符合规则
&&aimx>=0&&aimx<10&&aimy>=0&&aimy<9
&&getid(startx,starty)&&getid(startx,starty)*player>0
&&c[startx][starty]->judge_move(*this,startx,starty,aimx,aimy)){
if(c[aimx][aimy]!=NULL) delete c[aimx][aimy];//吃子
c[aimx][aimy]=c[startx][starty];
c[startx][starty]=NULL;
player*=-1;
return true;
}
cout<<"走法错误，不符合规则"<<endl;
return false;
}
class horse : public chess{//马的实现
public:
horse(int i) : chess((i==0?-2:2)){}
bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy){
int tempx=aimx-startx,tempy=aimy-starty;
int sid=cb.getid(startx, starty),aid=cb.getid(aimx, aimy);
if(sid*aid<=0&&(tempx*tempx+tempy*tempy==5)&&!cb.get(startx+tempx/2,starty+tempy/2))
return true;
return false;
}
};
class soldier : public chess{//兵（卒）的实现
public:
soldier(int c) : chess((c==0?-1:1)){}
bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy){
int tempx=aimx-startx,tempy=aimy-starty;
int sid=cb.getid(startx, starty),aid=cb.getid(aimx, aimy);
if(sid*aid<=0&&sid*tempx<=0){
if(abs(tempx)==1&&tempy==0) return true;
if(abs(tempy)==1&&tempx==0)
if((startx/5==0&&sid>0)||(startx/5==1&&sid<0)) return true;
return false;
}
return false;
}
};
class general : public chess{//帅（将）的实现
public:
general(int c) : chess((c==0?-7:7)){}
bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy){
int tempx=aimx-startx,tempy=aimy-starty;
int sid=cb.getid(startx, starty),aid=cb.getid(aimx, aimy);
if(sid*aid<=0&&tempy*tempy+tempx*tempx==1&&aimx%7>=0&&aimx%7<=2&&aimy>=3&&aimy<=5)
return true;
return false;
}
~general(){chessboard::end=false;}
};
class elephant : public chess{//象（相）的实现
public:
elephant(int c) : chess((c==0?-6:6)){}
bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy){
int tempx=aimx-startx,tempy=aimy-starty;
int sid=cb.getid(startx, starty),aid=cb.getid(aimx, aimy);
if(sid*aid<=0&&tempy*tempy+tempx*tempx==8&&startx/5==aimx/5&&!cb.get(startx+tempx/2,starty+tempy/2))
return true;
return false;
}
};
class cannon : public chess{//炮的实现
public:
cannon(int c) : chess((c==0?-5:5)){}
bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy){
int tempx=aimx-startx,tempy=aimy-starty;
int sid=cb.getid(startx, starty),aid=cb.getid(aimx, aimy);
if(sid*aid<=0&&!(tempx&&tempy)&&(tempx+tempy)){
int tot=0;
if(tempx!=0){
int sign=tempx>0?1:-1;
for(int i=1;i<abs(tempx);i++)
if(cb.get(startx+sign*i,starty)) tot++;
}
else{
int sign=tempy>0?1:-1;
for(int i=1;i<abs(tempy);i++)
if(cb.get(startx,starty+sign*i)) tot++;
}
if(!aid)
{if(!tot) return true;}
else
{if(tot==1) return true;}
}
return false;
}
};
class guard: public chess{//士（仕）的实现
public:
guard(int c) : chess((c==0?-4:4)){}
bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy){
int tempx=aimx-startx,tempy=aimy-starty;
int sid=cb.getid(startx, starty),aid=cb.getid(aimx, aimy);
if(sid*aid<=0&&tempy*tempy+tempx*tempx==2&&aimx%7>=0&&aimx%7<=2&&aimy>=3&&aimy<=5)
return true;
return false;
}
};
class rook : public chess{//车的实现
public:
rook(int c) : chess((c==0?-3:3)){}
bool judge_move(chessboard &cb,int startx,int starty,int aimx,int aimy){
int tempx=aimx-startx,tempy=aimy-starty;
int sid=cb.getid(startx, starty),aid=cb.getid(aimx, aimy);
if(sid*aid<=0&&!(tempx&&tempy)&&(tempx+tempy)){
if(tempx!=0){
int sign=tempx>0?1:-1;
for(int i=1;i<abs(tempx);i++)
if(cb.get(startx+sign*i,starty)) return false;
}
else{
int sign=tempy>0?1:-1;
for(int i=1;i<abs(tempy);i++)
if(cb.get(startx,starty+sign*i)) return false;
}
return true;
}
return false;
}
};
chessboard :: ~chessboard(){
for(int i=0;i<10;i++)
for(int j=0;j<9;j++)
if(c[i][j]!=NULL){
delete c[i][j];
c[i][j]=NULL;
}
}
void chessboard :: init(){//初始化，棋子的生成
c[0][0]=new rook(0); c[0][8]=new rook(0);
c[0][1]=new horse(0); c[0][7]=new horse(0);
c[0][2]=new elephant(0); c[0][6]=new elephant(0);
c[0][3]=new guard(0); c[0][5]=new guard(0);
c[0][4]=new general(0); c[9][4]=new general(1);
c[2][1]=new cannon(0); c[2][7]=new cannon(0);
c[3][0]=new soldier(0); c[3][2]=new soldier(0);
c[3][4]=new soldier(0); c[3][6]=new soldier(0);
c[3][8]=new soldier(0); c[6][8]=new soldier(1);
c[6][0]=new soldier(1); c[6][2]=new soldier(1);
c[6][4]=new soldier(1); c[6][6]=new soldier(1);
c[7][1]=new cannon(1); c[7][7]=new cannon(1);
c[9][0]=new rook(1); c[9][8]=new rook(1);
c[9][1]=new horse(1); c[9][7]=new horse(1);
c[9][2]=new elephant(1); c[9][6]=new elephant(1);
c[9][3]=new guard(1); c[9][5]=new guard(1);
}
void chessboard :: show(){
cout<<"吴 零一二三四五六七八"<<endl<<endl;
char num[10][4]={"零","一","二","三","四","五","六","七","八","九"};
for(int i=0;i<10;i++){
if(i==5) cout<<" ——楚 河 汉 界———"<<endl;
cout<<num[i]<<" ";
for(int j=0;j<9;j++){
if(c[i][j]!=NULL)
cout<<chessword[c[i][j]->get()+7];
else if((i==1&&j==4)||(i==8&&j==4))
cout<<"米";
else
cout<<"十";
}
cout<<endl;
}
}
void chessboard::play(){
this->init();
this->show();
do{
int startx,starty,aimx,aimy;
int sid,aid;
do{
sid=aid=0;
cout<<"请输入起始棋子位置与目标位置的坐标："<<endl;
cin>>startx>>starty>>aimx>>aimy;
}while(!this->move(startx,starty,aimx,aimy));
this->show();
}while(chessboard::end);
cout<<"结束，赢家是Player"<<(chessboard::player==1?1:2)<<endl;
}
int main(){
cout<<"先行后列"<<endl;
chessboard C;
C.play();
}