我制作了 2048 游戏，但它没有按预期运行

我决定制作2048游戏。对于初学者来说，这是一款非常受欢迎的游戏。

游戏现在几乎完成了，但是出现了这个错误，因此一旦我迈出第一步，我的游戏就会一次又一次地关闭。我已经进行了大量彻底的测试，无法追踪错误。我是编程新手。

#include<iostream>
#include<conio.h>
#include<ctime>
#include<string>
#include<cstdlib>
#include<fstream>
#include<Windows.h>
using namespace std;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
const int limit = 4;
int board[limit][limit] = {};
int score = 0;
string name;
int highestScore;
void newGame();
void displayBoard();
bool gameOver();
int generateNum();                       //generate random 2 or 4
void moveInDirection(int);
void generateNumInBoard();
int main()
{
int currentDirection;
char command, choice;
char direction[128];
string currentName;
direction['s'] = 0;
direction['w'] = 1;
direction['a'] = 3;
direction['d'] = 2;
ifstream inFile;
inFile.open("Score.txt");
inFile >> name >> highestScore;
inFile.close();
ofstream outFile;
outFile.open("Score.txt");
cout << "Please enter your name = ";
getline(cin, currentName);
newGame();
while (true)
{
system("CLS");
displayBoard();
cout << "nEnter what you want to do = ";
command = _getche();
if (command == 'n')
{
newGame();
}
else if (command == 'e')
{
break;
}
else
{
currentDirection = direction[command];
moveInDirection(currentDirection);
}
if (gameOver())
{
if (score > highestScore)
{
outFile << currentName << " " << score;
}
do {
system("CLS");
cout << "YOU HAVE LOST :("
<< "Your score was " << score << endl
<< "Do you want to play again ( New game (n) / Exit (e) ) = ";
command = _getche();
} while (command != 'n' && command != 'e');
if (command == 'e')
{
exit(1);
}
}
}
return 0;
}
void newGame()
{
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
board[i][j] = 0;
}
}
board[0][0] = 2;
}
void displayBoard()
{
SetConsoleTextAttribute(hConsole, 9);
cout << "n2048 THE GAMEnn a = left , s = down , w = up , d = right , n = newgame , e = exitnn If all boxes get filled you losennBest player = " << name << "   Best score = " << highestScore << "nn Your Score = " << score << "nn" << endl;
for (int i = 0; i < limit; i++)
{
cout << "tt|";
for (int j = 0; j < limit; j++)
{
if (board[i][j] == 0)
{
cout << " - |";
}
else
{
cout << " " << board[i][j] << " |";
}
}
cout << endl;
}
}
void moveInDirection(int currentDirection)
{
int count = 0;
bool flag = false;
if (currentDirection == 2)
{
while (count != 4)
{
for (int i = 0; i < limit; i++)
{
for (int j = limit - 1; j > 0; j--)
{
if ((board[i][j] == board[i][j - 1]) && board[i][j] != 0 && board[i][j - 1] != 0)
{
board[i][j] += board[i][j - 1];
board[i][j - 1] = 0;
score += board[i][j];
}
else if ((board[i][j] == 0) && (board[i][j - 1] != 0))
{
flag = true;
swap(board[i][j], board[i][j - 1]);
}
}
}
count++;
}
if (flag)
{
generateNumInBoard();
}
}
else if (currentDirection == 3)
{
while (count != 4)
{
for (int i = 0; i < limit; i++)
{
for (int j = 0; j < limit - 1; j++)
{
if ((board[i][j] == board[i][j + 1]) && board[i][j] != 0 && board[i][j + 1] != 0)
{
board[i][j] += board[i][j + 1];
board[i][j + 1] = 0;
score += board[i][j];
}
else if ((board[i][j] == 0) && (board[i][j + 1] != 0))
{
flag = true;
swap(board[i][j], board[i][j + 1]);
}
}
}
count++;
}
if (flag)
{
generateNumInBoard();
}
}
else if (currentDirection == 1)
{
while (count != 4)
{
for (int i = 0; i < limit - 1; i++)
{
for (int j = 0; j < limit; j++)
{
if ((board[i][j] == board[i + 1][j]) && board[i][j] != 0 && board[i + 1][j] != 0)
{
board[i][j] += board[i + 1][j];
board[i + 1][j] = 0;
score += board[i][j];
}
else if ((board[i][j] == 0) && (board[i + 1][j] != 0))
{
flag = true;
swap(board[i][j], board[i + 1][j]);
}
}
}
count++;
}
if (flag)
{
generateNumInBoard();
}
}
else if (currentDirection == 0)
{
while (count != 4)
{
for (int i = limit - 1; i >= 0; i--)
{
for (int j = 0; j < limit; j++)
{
if ((board[i][j] == board[i - 1][j]) && board[i][j] != 0 && board[i - 1][j] != 0)
{
board[i][j] += board[i - 1][j];
board[i - 1][j] = 0;
score += board[i][j];
}
else if ((board[i][j] == 0) && (board[i - 1][j] != 0))
{
flag = true;
swap(board[i][j], board[i - 1][j]);
}
}
}
count++;
}
if (flag)
{
generateNumInBoard();
}
}
}
int generateNum()
{
srand(time(NULL));
int randomNum = rand() % 4;
if (randomNum <= 2)
{
return 2;
}
else
{
return 4;
}
}
void generateNumInBoard()
{
bool flag = true;
for (int i = 0; i < limit; i++)
{
for (int j = 0; j < limit; j++)
{
if (board[i][j] == 0)
{
board[i][j] = generateNum();
flag = false;
break;
}
}
if (flag == false)
{
break;
}
}
}
bool gameOver()
{
for (int i = 0; i < limit; i++)
{
for (int j = 0; j < limit; j++)
{
if (board[i][j] == 0)
{
return true;
}
}
}
return false;
}