#include"game.h"

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]=' ';
		}
	}
}

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");
		}
	}
}

void PlayMove(char board[ROW][COL],int row,int col)
{
	int x = 0;
	int y = 0;
	printf("玩家走:>\n");
while(1)	
{
	printf("请输入下棋坐标:>");
	scanf("%d %d",&x,&y);
	//判断坐标合法性 
	if(x >= 1 && x <= row && y >=1 && y <= col) 
	{
		//下棋 
		//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");
	}
}
}

void ComputerMove(char board[ROW][COL],int row,int col)
{
	printf("电脑走:>\n");
	while(1)
  {
	int x = rand()%row;
	int y = rand()%col;
	
	//判断占用 
	if(board[x][y]==' ')
	{
		board[x][y] = '#';
		break;
	}
  } 
}

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]==' ')
			{
				return 0;//棋盘没满 
			}
		}
	}
		
	return 1;//棋盘满了 
}
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[1][i] == board[2][i] && board[1][i] != ' ')
		{
			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
	int ret = IsFull(board,row,col);
	if(ret == 1)
	{
		return 'Q';
	 }
	 //继续
	 return 'C'; 
	 
}