Cで三目並べゲームをプログラミングしています。
すべてが順調に進んでいるように見えますが、ユーザーが間違ったデータを入力した場合に備えて、このようなプログラムにエラー処理技術を実装するのが好きです。
ユーザーに 1 から 9 までの数字を入力して、三目並べグラフのスロットを埋めるように求めます。fgets と sscanf を一緒に使用したところ、最初のゲームでは問題なく動作しました。次に、ユーザーが「Y」または「y」を選択して新しいゲームをプレイし続けると、変数値がまったく更新されないように見え、基本的にプログラム内で混乱を引き起こしていました。
任意のヒント？
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
int printmatch(int array[3][3]);
int check(int array[3][3]);
char y;
char Y;
int complacer = 0;
int complacer2 = 0;
int main()
{
do
{
int fill = 0;
int j = 0;
int slot = 0;
int array[3][3];
array[0][0] = 0;
array[0][1] = 0;
array[0][2] = 0;
array[1][0] = 0;
array[2][0] = 0;
array[1][1] = 0;
array[2][1] = 0;
array[1][2] = 0;
array[2][2] = 0;
srand(time(NULL ));
printmatch(array);
char line[20];
do
{
do
{
tryagain: printf("\nEnter Position 1-9(from left to right):");
//I was using fgets and sscanf as an error handling technique incase user inputs incompatible data type, but after the 1st game is over, it seems this code messes up the functionality of the program
//fgets(line,sizeof(line),stdin);
//sscanf(line,"%d",&slot);
//when I just use scanf for data input, all is fine, but limited error handling
scanf("%d", &slot);
if (slot > 9 || slot < 1)
{
printf("Incorrect data input! Try again. \n");
}
} while (!(slot > 0 && slot < 10));
switch (slot)
{
case 1:
if (array[0][0] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[0][0] = 1;
check(array);
break;
case 2:
if (array[1][0] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[1][0] = 1;
check(array);
break;
case 3:
if (array[2][0] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[2][0] = 1;
check(array);
break;
case 4:
if (array[0][1] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[0][1] = 1;
check(array);
break;
case 5:
if (array[1][1] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[1][1] = 1;
check(array);
break;
case 6:
if (array[2][1] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[2][1] = 1;
check(array);
break;
case 7:
if (array[0][2] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[0][2] = 1;
check(array);
break;
case 8:
if (array[1][2] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[1][2] = 1;
check(array);
break;
case 9:
if (array[2][2] == -1)
{
printf("\nWoops, try again!");
goto tryagain;
}
array[2][2] = 1;
check(array);
break;
}
if (array[0][0] != 0 && array[0][1] != 0 && array[0][2] != 0
&& array[1][0] != 0 && array[2][0] != 0 && array[1][1] != 0
&& array[2][1] != 0 && array[1][2] != 0 && array[2][2] != 0)
{
check(array);
if (check(array) == 1)
{
printf("The user wins!\n");
}
else if (check(array) == -1)
{
printf("The computer wins.\n");
}
else
{
printmatch(array);
printf("It's a draw!\n");
}
goto done;
}
++fill;
label:
complacer = rand() % 3;
complacer2 = rand() % 3;
if (array[complacer][complacer2] == 0)
{
array[complacer][complacer2] = -1;
check(array);
}
else
goto label;
++fill;
printmatch(array);
int fullcheck = check(array);
if (fullcheck == 1)
{
printf("The user wins!");
break;
}
if (fullcheck == -1)
{
printf("The computer wins.");
break;
}
if (fill > 9)
break;
} while (fill < 10);
done: printf("\nDo you want to continue? Y/N\n");
scanf("%c %c", &y, &Y);
} while ((Y == 'Y' || Y == 'y'));
getchar();
return 0;
}
int printmatch(int array[3][3])
{
int i;
int j;
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
printf("%d\t", array[j][i]);
}
printf("\n");
}
}
int check(int array[3][3])
{
int settle;
if (array[0][0] == 1 && array[1][1] == 1 && array[2][2] == 1)
{
settle = 1;
}
else if (array[0][0] == -1 && array[1][1] == -1 && array[2][2] == -1)
{
settle = -1;
}
if (array[0][0] == 1 && array[0][1] == 1 && array[0][2] == 1)
{
settle = 1;
}
else if (array[0][0] == -1 && array[0][1] == -1 && array[0][2] == -1)
{
settle = -1;
}
if (array[0][2] == 1 && array[1][2] == 1 && array[2][2] == 1)
{
settle = 1;
}
else if (array[0][2] == -1 && array[1][2] == -1 && array[2][2] == -1)
{
settle = -1;
}
if (array[0][1] == 1 && array[1][1] == 1 && array[2][1] == 1)
{
settle = 1;
}
else if (array[0][1] == -1 && array[1][1] == -1 && array[2][1] == -1)
{
settle = -1;
}
if (array[1][0] == 1 && array[1][1] == 1 && array[1][2] == 1)
{
settle = 1;
}
else if (array[1][0] == -1 && array[1][1] == -1 && array[1][2] == -1)
{
settle = -1;
}
if (array[0][0] == 1 && array[1][0] == 1 && array[2][0] == 1)
{
settle = 1;
}
else if (array[1][0] == -1 && array[1][1] == -1 && array[1][2] == -1)
{
settle = -1;
}
if (array[2][0] == 1 && array[1][1] == 1 && array[0][2] == 1)
{
settle = 1;
}
else if (array[1][0] == -1 && array[1][1] == -1 && array[1][2] == -1)
{
settle = -1;
}
if (array[2][0] == 1 && array[2][1] == 1 && array[2][2] == 1)
{
settle = 1;
}
else if (array[2][0] == -1 && array[2][1] == -1 && array[2][2] == 1)
{
settle = -1;
}
return settle;
}