遊戲代碼分文件編寫

1.測試文件：test.c

2.遊戲代碼實現：game.c

3.頭文件：game.h

編譯環境：vs2019

---

測試文件：test.c

#define _CRT_SECURE_NO_WARNINGS 1
#pragma warning(disable:6031)

//測試三子棋遊戲的邏輯


#include"game.h"

void menu()
{
	printf("****************************\n");
	printf("********  1. play   ********\n");
	printf("********  0. exit   ********\n");
	printf("****************************\n");
}

void game()
{
	char ret = 0;
	//存放下棋的數據
	char board[ROW][COL] = { 0 };
	//初始化棋盤為空格
	InitBoard(board, ROW, COL);
	//打印棋盤
	DisplayBoard(board, ROW, COL);
	while (1)
	{
		//玩家下棋
		player_move(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		//判斷輸贏
		ret = is_win(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}

		//電腦下棋
		computer_move(board, ROW, COL);//隨機下棋
		DisplayBoard(board, ROW, COL);
		//判斷輸贏
		ret = is_win(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}
	}
	if (ret == '*')
	{
		printf("玩家贏了\n");
	}
	else if (ret == '#')
	{
		printf("玩家贏了\n");
	}
	else
	{
		printf("平局\n");
	}
}

//什麼情况下遊戲結束
//玩家贏 - '*'
//電腦贏 - '#'
//平局 - 'Q'
//繼續 - 'C'

void test()
{
	int input = 0;
	srand((unsigned int)time(NULL));
	do
	{
		menu();
		printf("請選擇:>");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();//遊戲
			break;
		case 0:
			printf("退出遊戲\n");
			break;
		default:
			printf("選擇錯誤\n");
			break;
		}
	} while (input);
}

int main()
{
	test();

	return 0;
}

---

遊戲代碼實現：game.c

#define _CRT_SECURE_NO_WARNINGS 1
#pragma warning(disable:6031)

#include"game.h"

void InitBoard(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++)
		{
			board[i][j] = ' ';
		}
	}
}

//void DisplayBoard(char board[ROW][COL], int row, int col)
//{
//	int i = 0;
//	for (i = 0; i < row; i++)
//	{
//		//打印數據
//		printf(" %c | %c | %c \n", board[i][0], board[j][1], board[i][2]);
//		//打印分割的行
//		if (i < row - 1)
//		{
//			printf("---|---|---\n");
//		}
//	}
//}

void DisplayBoard(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		//打印數據
		int j = 0;
		for (j = 0; j < col; j++)
		{
			printf(" %c ", board[i][j]);
			if (j < col - 1)
			{
				printf("|");
			}
		}
		printf("\n");
		//打印分割的行
		if (i < row - 1)
		{
			for (j = 0; j < col; j++)
			{
				printf("---");
				if (j < col - 1)
				{
					printf("|");
				}
			}
			printf("\n");
		}
	}
}

void player_move(char board[ROW][COL], int row, int col)
{
	int x = 0;
	int y = 0;
	printf("玩家下棋\n");
	while (1)
	{
		printf("請輸入坐標:>");
		scanf("%d %d", &x, &y);
		if (x >= 1 && x <= row && y >= 1 && y <= col)
		{
			//下棋
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
			{
				printf("該坐標被占用，請重新輸入\n");
			}
		}
		else
		{
			printf("坐標非法，請重新輸入\n");
		}
	}
}

void computer_move(char board[ROW][COL], int row, int col)
{
	int x = 0;
	int y = 0;
	printf("電腦下棋\n");
	while (1)
	{
		x = rand() % row;//0-2
		y = rand() % row;//0-2
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			break;
		}
	}
}

static int is_full(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++)
		{
			if (board[i][j] == ' ')
			{
				return 0;
			}
		}
	}
	return 1;
}

char is_win(char board[ROW][COL], int row, int col)//該部分已寫死，只能判斷三子琪
{
	int i = 0;
	//判斷行
	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];
		}
	}
	//判斷列
	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];
		}
	}
	//判斷對角線
	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];
	}
	//判斷平局
	if (is_full(board, row, col) == 1)
	{
		return 'Q';
	}
	//繼續
	return 'C';
}

---

頭文件：game.h

#pragma once

#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define ROW 3
#define COL 3

//初始化棋盤
void InitBoard(char board[ROW][COL], int row, int col);

//打印棋盤
void DisplayBoard(char board[ROW][COL], int row, int col);

//玩家下棋
void player_move(char board[ROW][COL], int row, int col);

//電腦下棋
void computer_move(char board[ROW][COL], int row, int col);

//判斷輸贏
char is_win(char board[ROW][COL], int row, int col);