五子棋游戏是在C++学习前期用于练手的很不错的小项目，实现粗糙的五子棋小游戏不需要对C++语法了解的非常深入也不许需要对数据结构的熟悉和理解达到多么深的层次 所以是一个非常简单的小程序
实现五子棋小程序需要合理的设计整个程序的架构 整个游戏的实现分成：选择游戏方式、 初始化棋盘 、 每次落子更新棋盘 、 对是否已决出输赢的判断 和 胜者是谁的判断这几个模块 。每个模块对应实现函数取实现 最后将函数配合起来使用构成完整项目。
#include<iostream>
#include<time.h>
#include<stdlib.h>
using namespace std;
const int N = 15;//棋盘大小
const char ChessBoardFlag = ' ';
const char flag1 = 'O';
const char flag2 = 'X';
typedef struct Coordinate
{
int x;
int y;
}ChessCoordi;
class FiveChess
{
public:
FiveChess()
{
InitChessBoard();
}
void Play()
{
ChessCoordi Pos1;
ChessCoordi Pos2;
while (1){
int mode = ChoseMode();
while (1){
if (mode == 1){//玩家VS电脑
static size_t count = 1;
PalyerGo(Pos1, 1, flag1);
if (count++ >= 9 && GetWiner(Pos1, 1, flag1))
break;
ComputerGo(Pos2, flag2);
if (count++ >= 10 && GetWiner(Pos2, 0, flag2))
break;
}
else if (mode == 2){//玩家VS玩家
static size_t count = 1;
PalyerGo(Pos1, 1, flag1);
if (count++ >= 9 && GetWiner(Pos1,1, flag1))
break;
PalyerGo(Pos2,2 ,flag2);
if (count++ >= 10 && GetWiner(Pos2,2, flag2))
break;
}
}
cout << "再来一局 y or no" << endl;
char chose = 'y';
cin >> chose;
if (chose == 'n')
break;
}
}
void PrintChessBoard()
{
system("cls");
for (size_t i = 0; i < N + 1; ++i)
{
for (size_t j = 0; j < N + 1; ++j)
{
if (i == 0){
if (j != 0)
printf("%d ", j);
else if (j == 0)
printf(" ");
}
else if (j == 0){
if (i != 0)
printf("%2d", i);
}
else{
printf("%c |", ChessBoard[i][j]);
}
}
cout << endl;
cout << " ";
for (size_t i = 1; i < N + 1; ++i){
cout << "---+";
}
cout << endl;
}
}
void InitChessBoard()
{
for (size_t i = 0; i < N + 1; ++i){
for (size_t j = 0; j < N + 1; ++j){
ChessBoard[i][j] = ChessBoardFlag;
}
}
}
protected:
int ChoseMode()
{
system("cls");
InitChessBoard();
cout << "请选择 1.玩家VS电脑 2.玩家VS玩家 3.推出" << endl;
int chose = 0;
cin >> chose;
while (1){
if (chose == 1)
return chose;
else if (chose == 2)
return chose;
else if (chose == 3)
exit(1);
else
cout << "对不起 您的输入有误。。" << endl;
}
}
void PalyerGo(ChessCoordi& Pos, int player, char flag)
{
PrintChessBoard();
int x = 0;
int y = 0;
while (1){
cout << "请玩家" << player << "下一步棋" << endl;
cin >> Pos.x >> Pos.y;
if (JudgePos(Pos))
break;
else
cout << "玩家输入错误 ! 请重新输入" << endl;
}
ChessBoard[Pos.x][Pos.y] = flag;
}
void ComputerGo(ChessCoordi& Pos, char flag)
{
PrintChessBoard();
int x = 0;
int y = 0;
while (1){
x = rand() % N + 1;
srand((unsigned int)time(NULL));
y = rand() % N + 1;
srand((unsigned int)time(NULL));//这种方式下生成的x，y一定在棋盘上
if (ChessBoard[x][y] == ChessBoardFlag)
break;
}
Pos.x = x;
Pos.y = y;
ChessBoard[Pos.x][Pos.y] = flag;
}
int GetVictory(ChessCoordi Pos, char flag)//判断是否有赢家
{
int begin = 0;//在检查对角线时 作为行坐标的开始 结束
int end = 0;
//检查行是否连续5个子
int beginl = 0;//在检查对角线时 作为列坐标的开始 结束
int endl = 0;
(Pos.y - 4) > 0 ? begin = Pos.y - 4 : begin = 1;
(Pos.y + 4) < N ? end = Pos.y + 4 : end = N;
for (size_t i = Pos.x, j = begin; j + 4 <= end; ++j)
{
if (flag == ChessBoard[i][j] && flag == ChessBoard[i][j + 1] && \
flag == ChessBoard[i][j + 2] && flag == ChessBoard[i][j + 3] && \
flag == ChessBoard[i][j + 4])
return 1;
}
//检查列是否连续5个子
(Pos.x - 4) > 0 ? begin = Pos.x - 4 : begin = 1;
(Pos.x + 4) > N ? end = Pos.x + 4 : end = N;
for (size_t j = Pos.y, i = begin; i + 4 <= end; ++i)
{
if (flag == ChessBoard[i][j] && flag == ChessBoard[i + 1][j] && \
flag == ChessBoard[i + 2][j] && flag == ChessBoard[i + 3][j] && \
flag == ChessBoard[i + 4][j])
return 1;
}
int len = 0;
//检查主对角线是否满五个子
(Pos.x > Pos.y) ? len = Pos.y - 1 : len = Pos.x - 1;
if (len > 4)//找落子点到上 左两边的垂直距离较短的地方 如果其大于4 取4 不大于4 取其本身
len = 4;
begin = Pos.x - len;//向上 左移动适当距离找可能的五连子的起始位置
beginl = Pos.y - len;
(Pos.x > Pos.y) ? len = N - Pos.x : len = N - Pos.y;
if (len > 4)
len = 4;
end = Pos.x + len;//向下 右移动适当距离找可能的五连子的终止位置
endl = Pos.y + len;
for (size_t i = begin, j = beginl; i + 4 <= end && j + 4 <= endl; ++i, ++j)
{
if (flag == ChessBoard[i][j] && flag == ChessBoard[i + 1][j + 1] && \
flag == ChessBoard[i + 2][j + 2] && flag == ChessBoard[i + 3][j + 3] && \
flag == ChessBoard[i + 4][j + 4])
return 1;
}
//检查副对角线是否满五个子
(Pos.x - 1 > N - Pos.y) ? len = N - Pos.y : Pos.x - 1;
if (len > 4)//找落子点到右 下两边的垂直距离较短的地方 如果其大于4 取4 不大于4 取其本身
len = 4;
begin = Pos.x - len;//向上 右移动适当距离找可能的五连子的起始位置
beginl = Pos.y + len;
(N - Pos.x > Pos.y - 1) ? len = Pos.y - 1 : len = N - Pos.x;
end = Pos.x + len;//向下 左移动适当距离找可能的五连子的最终位置
endl = Pos.y - len;
for (size_t i = begin, j = beginl; i + 4 <= end && j - 4 >= endl; ++i, ++j)
{
if (flag == ChessBoard[i][j] && flag == ChessBoard[i + 1][j - 1] && \
flag == ChessBoard[i + 2][j - 2] && flag == ChessBoard[i + 3][j - 3] && \
flag == ChessBoard[i + 4][j - 4])
return 1;
}
//检查棋盘是否已满
for (size_t i = 1; i < N + 1; ++i){
for (size_t j = 1; j < N + 1; ++j){
if (ChessBoard[i][j] == ChessBoardFlag)
return 0;//表示棋盘没满
}
}
//和棋
return -1;
}
bool GetWiner(ChessCoordi& Pos, int player, char flag)//判断是谁赢了
{
int n = 0;
n = GetVictory(Pos, flag);
PrintChessBoard();
if (1 == n){
if (0 == player)
cout << "玩家1获胜" << endl;
else if (1 == player)
cout << "玩家1获胜" << endl;
else
cout << "电脑获胜"<<endl;
return true;
}
else if (-1 == n){
cout << "和棋" << endl;
return true;
}
else{
//还未分出胜负
return false;
}
}
bool JudgePos(const ChessCoordi& Pos)
{
if (Pos.x < N + 1 && Pos.x > 0 && Pos.y < N + 1 && Pos.x > 0\
&& ChessBoard[Pos.x][Pos.y] == ChessBoardFlag)
return true;
return false;
}
private:
char ChessBoard[N + 1][N + 1];
};
//#include"FiveChess.cpp"
int main()
{
//char a[] = "exit";
//for (size_t i = 0; i < sizeof(a) / sizeof(char);++i)
//printf(":%d", a[i]);
FiveChess a;
a.InitChessBoard();
a.PrintChessBoard();
a.Play();
system("pause");
return 0;
}
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