C++人机对弈井字棋
小雪菜本菜 人气:0main.cpp
#include"TicTacToe.h" int main() { Game game; game.getWinner(); return 0; }
TicTacToe.h
#pragma once #include<iostream> using namespace std; #include<array> #include<ctime> class Game { public: Game(); void print(); char getCurrentPlayer(); void getWinner(); bool isDone(int row,int col); void makeMove(); void computer_move(int row, int col); protected: array <array< char, 3 >, 3 > board; int row; int col; }; TicTacToe.cpp #include"TicTacToe.h" Game::Game() { for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { board[i][j] = '-'; } } this->col = 3; this->row = 3; } void Game::print() { cout << "\t1\t2\t3\n"; for (int i = 0; i < 3; i++) { cout << i + 1; for (int j = 0; j < 3; j++) { cout << "\t"; cout << board[i][j]; } cout << endl; } } char Game::getCurrentPlayer() { int i = 0; for (; i < 3; i++)//判断第i行是否全都相同 { if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != '-') return board[i][0];//将第i行的内容返回 } for (i = 0; i < 3; i++)//判断第i列是否全都相同 { if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != '-') return board[0][i];//将第i列的内容返回 } if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != '-')//判断捺对角线(\)的内容是否全都相同 return board[0][0]; else if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != '-')//判断撇对角线(/)的内容是否全都相同 return board[0][2]; else if (isDone(row,col))//判断是否是平局,如果是平局返回‘q' return 'q'; else //判断是否还未产生游戏结果,如果还未产生游戏结果返回‘-' return '-'; } void Game::getWinner() { char a; do { print(); //屏幕上打印一个棋盘 makeMove(); //打印出棋盘之后,玩家开始下棋 a = getCurrentPlayer(); //玩家下完棋后,开始判断游戏结果 if (a != '-') // ‘-':没人赢 { break; //如果已经分出胜负,跳出循环 } computer_move(row,col); //如果没有分出胜负,电脑下棋 a = getCurrentPlayer(); //下完之后判断游戏结果 } while (a == '-'); if (a == 'X') //判断玩家是否获胜:‘x'代表玩家获胜 printf("Congratulations,you win!\n"); else if (a == 'O') //判断玩家是否获胜:‘o'代表电脑获胜 printf("It's too bad,you lose!\n"); else //判断是否是平局 printf("Draw!\n"); } bool Game::isDone(int row,int col) { //判断数组当中每一个元素是否有'-',如果有'-',说明没有满,返回0;否则返回1 int i, j; for (i = 0; i < row; i++) { for (j = 0; j < col; j++) if (board[i][j] == '-') //判断是否有'-' return 0; //有'-'返回0 } return 1; //没有'-'返回1 } void Game::makeMove() { int x, y;//先定义两个变量,以便接收玩家下棋的坐标 do { printf("Please input your coordinate:(x,y)!");//提示玩家下棋 scanf("%d%d", &x, &y); //接收玩家所下的位置 if (x >= 1 && x <= 3 && y >= 1 && y <= 3) //判断玩家输入坐标是否有误 if (board[x - 1][y - 1] == '-') //判断玩家输入的位置是否已经被占 { board[x - 1][y - 1] = 'X'; //将玩家输入的位置用‘x'占用 break; } else//玩家输入位置被占,提示玩家重新输入位置 printf("Error!This place was be used!\n"); else//玩家输入坐标有误,直接提示玩家error printf("Error!"); } while (1); } void Game::computer_move(int row,int col) { srand((unsigned long)time(NULL));//利用函数生成随机数 do { int x = rand() % row;//控制随机数小于3并把结果赋给横坐标 int y = rand() % col;//控制随机数小于3并把结果赋给纵坐标 if (board[x][y] == '-')//判断电脑选择的位置是否被占 { board[x][y] = 'O';//将电脑下棋的位置用‘O'占用 break; } } while (1); }
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