#include "game.h"
//初始化棋盘
void initBoard(char board[ROW][COL],int row,int col){
	int i = 0;
	int j = 0;
	for(i = 0;i < row;i++){
		for(j = 0;j < col;j++){
			board[i][j] = ' ';
		}
	}
}
//展示棋盘
void displayBoard(char board[ROW][COL],int row,int col){
	int i = 0;
	for(i = 0;i < row;i++){
		int j = 0;
		for(j = 0;j < col;j++){
			printf(" %c ",board[i][j]);
			if(j < col -1)
				printf("|");
		}
		printf("\n");
		if(i < row -1){
			int j = 0;
			for(j = 0;j< col;j++){
				printf("---");
				if(j < col -1)
					printf("|");
			}
			printf("\n");			
		}
	}
}
//玩家走
void playMove(char board[][COL],int row,int col){
	int x = 0;
	int y = 0;
	printf("玩家走>\n");
	while(1){
		printf("请输入下棋的坐标:>\n");
		scanf("%d %d",&x,&y);
		//判断坐标合法性
		if(x >= 1 && x <= row && y>= 1 && y<= col){
			//下棋
			//判断坐标是否被占用
			if(board[x-1][y-1] == ' '){
				board[x-1][y-1] = '*';
				break;
			}else{
				printf("坐标被占用，请重新输入\n");
			}
		}else{
			printf("坐标非法，请重新输入\n");
		}	
	}

}
//电脑走
void computerMove(char board[][COL],int row,int col){
	printf("电脑走\n");
	while(1){
		int x = rand() % ROW;
		int y = rand() % COL;
		//判断位置是否被占用
		if(board[x][y] == ' '){
			board[x][y] = '#';
			break;
		}	
	}	
}
//判断棋盘是否满了
int isFull(char board[ROW][COL],int row,int col){
	int i = 0 ;
	int j = 0;
	for(i = 0;i < row;i++){
		for(j = 0;j< col;j++){
			if(board[i][j] == ' '){
				//棋盘没满
				return 0;
			}
		}
	}
	return 1;//棋盘满了
}
//判断游戏结果
char isWin(char board[ROW][COL],int row,int col){
	int i = 0;
	//判断三行
	for(i = 0;i < row;i++){
		if(board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' '){
			return board[i][1];
		}
	}
	//判断三列
	for(i = 0;i< col;i++){
		if(board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' '){
					return board[1][i];
				}
	}
	//判断对角线
	if(board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' '){
		return board[1][1];
	}
	if(board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' '){
		return board[1][1];
	}
	//判断平局
	//棋盘满返回1不满返回0
	int ret = isFull(board,row,col);
	if(ret == 1){
		return 'Q';
	}
	//继续
	return 'C';
	
}