//五子棋小游戏

#include <stdio.h>
#include <windows.h>
#include <stdlib.h>
#include<conio.h>			//使用getch()函数

int startchoice,winner,player,Q[200][200]= {0};		//Q数组记录旗子
char button;										//读入键盘输入的指令，如→

struct Point {		//点坐标的结构体
	int x,y;
} point,game_xy;

struct Piece {		//棋子的坐标记录
	struct Point coord;
	struct Piece *fore;
};

struct Piece *head,*p,*ptr,*ptr1;
struct Point win_point[5];

void goto_xy(int x, int y) {        //光标移动函数
	COORD c;
	c.X=2*x;
	c.Y=y;
	SetConsoleCursorPosition (GetStdHandle(STD_OUTPUT_HANDLE), c);
}

void Init() {			//初始化函数，将记录棋子的数组初始化
	for(int i=0; i<200; i++)
		for(int j=0; j<200; j++)
			Q[i][j]=0;

	startchoice=0;
	player=1;
	p=(struct Piece *)malloc(sizeof(struct Piece));
	head=p;
}

void Welcome() {    //欢迎界面
	system("color B0");				//#include<windows.h>  B 背景淡浅绿色   0  字体黑色
	goto_xy(10,3);
	printf("-→");
	goto_xy(17,1);
	printf("主菜单");
	goto_xy(13,3);
	printf("   ***人人对战***");
	goto_xy(13,4);
	printf("     ***退出***");
	point.x=12;
	point.y=3;
	goto_xy(0,0);
}

void ShowWho() {						//显示轮到哪一方下棋
	goto_xy(17,24);
	if(player==0)
		printf("轮到甲方落子");
	else
		printf("轮到乙方落子");
	goto_xy(point.x,point.y);
}

void Draw() {              //绘画游戏界面
	game_xy.x=10;
	game_xy.y=3;
	system("cls");
	system("color 3F");			//3 湖蓝色  F 亮白色
	goto_xy(15,1);
	printf("欢迎play our 五子棋！");
	/*goto_xy(29,22);
	printf("重新开始         r");*/
	goto_xy(1,24);
	printf("悔棋             b");
	goto_xy(1,25);
	printf("退出           ESC");

	const int i=8;				//const 定义的数据不可以被改变 而且修改数据比较方便
	const int j=19;
	const int k=3;
	goto_xy(game_xy.x-i,game_xy.y+k);			//输出甲方的下棋方法
	printf("甲方：    ●");
	goto_xy(game_xy.x-i,game_xy.y+k+2);
	printf("移动：  上   W");
	goto_xy(game_xy.x-i,game_xy.y+k+4);
	printf("        下   S");
	goto_xy(game_xy.x-i,game_xy.y+k+6);
	printf("        左   A");
	goto_xy(game_xy.x-i,game_xy.y+k+8);
	printf("        右   D ");
	goto_xy(game_xy.x-i,game_xy.y+k+10);
	printf("落子:   空 格");

	goto_xy(game_xy.x+j,game_xy.y+k);				//输出乙方的下棋方法
	printf("乙方：    ○");
	goto_xy(game_xy.x+j,game_xy.y+k+2);
	printf("移动：  上   ↑");
	goto_xy(game_xy.x+j,game_xy.y+k+4);
	printf("        下   ↓");
	goto_xy(game_xy.x+j,game_xy.y+k+6);
	printf("        左   ←");
	goto_xy(game_xy.x+j,game_xy.y+k+8);
	printf("        右   →");
	goto_xy(game_xy.x+j,game_xy.y+k+10);
	printf("落子:   Enter");

	for(int k1=0; k1<200; k1++)					//初始化棋子记录，在第二局时有明确的作用
		for(int k2=0; k2<200; k2++)
			Q[k1][k2]=0;

	for(int i=0; i<20; i++) {				//画棋盘

		if(i==0) {						//画第一行
			goto_xy(10,i+3);
			printf("┌┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┐");

		}
		if(i!=0&&i!=19) {					//画出中间16行
			goto_xy(10,i+3);
			printf("├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤");
		}
		if(i==19) {						//画最后一行
			goto_xy(10,i+3);
			printf("└┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘");
		}
	}
	point.x=19;
	point.y=12;
	goto_xy(19,12);
}

void Clean() {				//清除-→运动的轨迹
	goto_xy(10,3);
	printf("     ");
	goto_xy(24,3);
	printf("     ");
	goto_xy(10,4);
	printf("     ");
	goto_xy(24,4);
	printf("     ");
}

void menu_choose(char press) {		//选择游戏还是退出
	if(press==72) {			//↑的ASCLL码
		if(point.y==3)
			point.y=4;
		else
			point.y=3;
		Clean();
		goto_xy(10,point.y);
		printf("-→");
	}
	if(press==80) {		//↓的ASCLL码
		if(point.y==4)
			point.y=3;
		else
			point.y=4;
		Clean();
		goto_xy(10,point.y);
		printf("-→");
	}
	if(press==13) {	// 13：回车键的ASCLL码
		startchoice=point.y-2;				//startchoice 为1或2
	}
}

void go_back(int x1,int y1) {				//悔棋函数
	goto_xy(x1,y1);
	if(x1==10) {
		if(y1==3) {
			printf("┌");
		} else if(y1==20) {
			printf("└");
		} else {
			printf("├");
		}
	} else if(x1==27) {
		if(y1==3) {
			printf("┐");
		} else if(y1==20) {
			printf("┘");
		} else {
			printf("┤");
		}
	} else {
		if(y1==3) {
			printf("┬");
		} else if(y1==20) {
			printf("┴");
		} else {
			printf("┼");
		}
	}
	Q[point.x][point.y]=0;			//在数组中将弹出的棋子对应的数据设为0
	goto_xy(x1,y1);
}

void Record() {            //记录棋子的情况

	p->coord.x=point.x;
	p->coord.y=point.y;
	ptr=p;
	p=(struct Piece *)malloc(sizeof(struct Piece));
	p->fore=ptr;

	ShowWho();
	Q[point.x][point.y]=player+1;
	if(player) {
		player=0;
		return;
	}
	player=1;
	goto_xy(point.x,point.y);
}

void PutDown() {				//显示落子函数
	if(Q[point.x][point.y]==0) {			//先判断该位置是否有棋子
		if(player) {
			printf("●");
			printf("\a");					//'\a'表示蜂鸣声
			Record();
		} else {
			printf("○");
			printf("\a");
			Record();
		}
		goto_xy(point.x,point.y);
	}
}

void Play(char ch) {				//键盘的操作 移动光标 下棋和悔棋操作
	if(player==1) { //甲方
		if(ch== 'W' || ch=='w') 		           //W  光标上移
		{	if(point.y<=3)
				point.y=22;
			else
				point.y--;
			goto_xy(point.x,point.y);

		}
		if(ch=='A' || ch=='a') {					//A  光标左移
			if(point.x<=10)
				point.x=20;
			else
				point.x--;
			goto_xy(point.x,point.y);

		}
		if(ch=='D' || ch=='d') {					//D 光标右移
			if(point.x>=20)
				point.x=10;
			else
				point.x++;
			goto_xy(point.x,point.y);

		}
		if(ch=='S' || ch=='s') {					//S  光标下移
			if(point.y>=22)
				point.y=3;
			else
				point.y++;
			goto_xy(point.x,point.y);

		}
		if(ch==32) {			//空格键的ASCLL码		下棋
			PutDown();
		}
	} else {
		if(ch==72) {		             //↑的ASCLL码 光标上移
			if(point.y<=3)
				point.y=22;
			else
				point.y--;
			goto_xy(point.x,point.y);

		}
		if(ch==75) {					//←的ASCLL码    光标左移
			if(point.x<=10)
				point.x=20;
			else
				point.x--;
			goto_xy(point.x,point.y);

		}
		if(ch==77) {					//→的ASCLL码  光标右移
			if(point.x>=20)
				point.x=10;
			else
				point.x++;
			goto_xy(point.x,point.y);

		}
		if(ch==80) {					//↓的ASCLL码   光标下移
			if(point.y>=22)
				point.y=3;
			else
				point.y++;
			goto_xy(point.x,point.y);

		}
		if(ch==13) {			//回车键的ASCLL码		下棋
			PutDown();
		}
	}


	if(button=='b'||button=='B') {     //悔棋的操作
		ptr1=p;
		if(p!=head) {
			p=p->fore;
			free(ptr1);
			point.x=p->coord.x;
			point.y=p->coord.y;
			go_back(point.x,point.y);
		}
	}
}

void judgeWinRecodePointXY(int count, int rr, int cc){
	win_point[count].x=rr;  //记录坐标 
	win_point[count].y=cc;  //记录坐标 
}

void  judgeWinSetPointCOlor() {
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);//创建并实例化句柄
	CONSOLE_SCREEN_BUFFER_INFO csbiInfo;            //获取当前颜色
	GetConsoleScreenBufferInfo(handle, &csbiInfo);  //获取当前颜色
	WORD  wOldColorAttrs = csbiInfo.wAttributes;    //获取当前颜色

	SetConsoleTextAttribute(handle,FOREGROUND_INTENSITY |FOREGROUND_RED|BACKGROUND_INTENSITY|BACKGROUND_GREEN); //设置输出的新颜色
	for(int i=0; i<5; i++) {
		//重新输出一遍
		goto_xy(win_point[i].x, win_point[i].y);
		if(!player) { //谁赢谁就是最后下了一子，那么player变量就反向了
			printf("●");
		} else {
			printf("○");
		}
	}
	SetConsoleTextAttribute(handle, wOldColorAttrs); //恢复原来的颜色
}

int Judge() {
	int count=0;
	int pp=player==0?2:1;				//三目运算
	for(int c=0; c<200; c++) {
		for(int r=0; r<200; r++) {
			if(Q[r][c]!=pp)
				continue;

			//检查列
			int rr=r;
			int cc=c;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			while(--cc>=3 &&Q[rr][cc]==pp) {
				count++;
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			}
			cc=c;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			while(++cc<23 &&Q[rr][cc]==pp) {
				count++;
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			}
			cc=c;
			if(count>=4) {
				judgeWinSetPointCOlor();
				return pp;
			}

			//检查行
			count=0;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			while(--rr>=10 &&Q[rr][cc]==pp) {
				count++;
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			}
			rr=r;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			while(++rr<30 &&Q[rr][cc]==pp) {
				count++;
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			}
			rr=r;
			if(count>=4) {
				judgeWinSetPointCOlor();
				return pp;
			}

			//检查反斜边
			count=0;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			cc--;
			rr--;	
			while((cc>=3||rr>=10) &&Q[rr][cc]==pp) {
				count++;
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
				cc--;
				rr--;
				
			}
			rr=r;
			cc=c;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			cc++;
			rr++;
			while((cc<23||rr<30) &&Q[rr][cc]==pp) {
				count++;
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 	
				cc++;
				rr++;
			}
			rr=r;
			cc=c;
			if(count>=4) {
				judgeWinSetPointCOlor();
				return pp;
			}

			//检查正斜边
			count=0;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
			cc++;
			rr--;
			while((cc<23||rr>=10) &&Q[rr][cc]==pp) {
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
				count++;				
				cc++;
				rr--;	
			}
			rr=r;
			cc=c;
			judgeWinRecodePointXY(count, rr, cc);  //记录坐标 	
			cc--;
			rr++; 
			while((cc>=3||rr<30) &&Q[rr][cc]==pp) {	
				judgeWinRecodePointXY(count, rr, cc);  //记录坐标 
				count++;						
				cc--;
				rr++;	
			}			
			rr=r;
			cc=c;
			if(count>=4) {
				judgeWinSetPointCOlor();
				return pp;
			}

			count=0;
		}
	}
	return 0;
}

int main(void) {
	int j=0,k=0;
	system("color 4E");            //#include<windows.h>  4 背景红色   	E 字体淡黄色
	printf("\n			       欢迎play五子棋！");
	goto_xy(15,3);
	printf("作者：杜盼");
	goto_xy(17,5);
	printf("  周拓");
	Sleep(3000);
	system("cls");
	while(1) {
		Init();						//初始化
		int winner=0;
		Welcome();					//欢迎界面

		while(1) {				//读取菜单选项
			char choice=getch();
			menu_choose(choice);
			if(startchoice!=0)
				break;
		}

		if(startchoice==1) {			//选择人人对战

			Draw();
			goto_xy(17,24);
			printf("轮到甲方落子");
			goto_xy(point.x,point.y);

			while(1) {
				button=getch();
				Play(button);      //读取键盘的操作 移动光标 下棋和悔棋操作

				if(button==27) {		//ESC的ASCLL码
					if(MessageBox(NULL,TEXT("确定退出？"),TEXT(""),MB_ICONQUESTION|MB_OKCANCEL)==IDOK) {
						system("cls");
						printf("\n				谢谢使用！\n");
						return 0;
					}
				}

				if(button==13 || button==32)				//回车键或者空格键ASCLL码		按下后开始判断输赢
					winner=Judge();

				if(winner!=0) {
					goto_xy(15,26);
					if(winner==2) {
						printf("恭喜！甲方赢！\n");
						j=j+1;
					}
					if(winner==1) {
						printf("恭喜！乙方赢！\n");
						k=k+1;
					}
					goto_xy(29,24);
					printf("甲 %d : %d 乙",j,k);
				}

				if(winner!=1&&winner!=2) {
					continue;
				}

				goto_xy(13,24);
				printf("   继续游戏?(Y/N):    ");
				while(1) {
					button=getch();
					if(button=='n'||button=='N'||button=='y'||button=='Y')
						break;
				}

				if(button=='n'||button=='N') {
					if(MessageBox(NULL,TEXT("  确定退出？"),TEXT(""),MB_ICONQUESTION|MB_OKCANCEL)==IDOK) {
						system("cls");
						printf("\n				谢谢使用！\n");
						return 0;
					}
				}

				if(button=='y'||button=='Y') {
					winner=0;
					system("cls");
					break;
				}

			}
		}

		if(startchoice==2) {
			if(MessageBox(NULL,TEXT("  确定退出？"),TEXT(""),MB_ICONQUESTION|MB_OKCANCEL)==IDOK) {
				printf("\n\n				谢谢使用！\n");
				return 0;
			}
		}
	}
	return 0;
}