如何解决Visual Studio C++ 在 main 函数结束时触发断点
我和我的团队正在为我们的项目制作一个游戏，我一直遇到这个错误，经过一些测试，看起来它发生在 main 函数的末尾。我不知道这是怎么发生的，因为大部分代码来自我们的老师，我们需要修复他故意放置的错误并添加其他功能。 这是代码：
#include <winuser.h>
#include <iostream>
#include <time.h>
#include <conio.h>
#include <thread>
using namespace std;
#define MAX_CAR 5
#define MAX_CAR_LENGTH 40
#define MAX_SPEED 3
POINT** X;
POINT Y;
int cnt = 0;
int MOVING;
int SPEED;
int HEIGHT_CONSOLE = 29,WIDTH_CONSOLE = 119;
bool STATE;
void FixConsoleWindow() {
HWND consoleWindow = GetConsoleWindow();
LONG_PTR style = GetWindowLongPtr(consoleWindow,GWL_STYLE);
style = style & ~(WS_MAXIMIZEBOX) & ~(WS_THICKFRAME);
SetWindowLongPtr(consoleWindow,GWL_STYLE,style);
}
void GotoXY(int x,int y) {
COORD coord;
coord.X = x;
coord.Y = y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}
void ResetData() {
MOVING = 'D';
SPEED = 1;
Y = { 18,19 };
if (X == NULL) {
X = new POINT * [MAX_CAR];
for (int i = 0; i < MAX_CAR; i++) {
X[i] = new POINT[MAX_CAR_LENGTH];
}
for (int i = 0; i < MAX_CAR; i++) {
int temp = rand() % (WIDTH_CONSOLE - MAX_CAR_LENGTH) + 1;
for (int j = 0; j < MAX_CAR_LENGTH; j++) {
X[i][j].x = temp + j;
X[i][j].y = 2 + 5 * i;
}
}
}
}
void DrawBoard(int x,int y,int width,int height,int curPosX = 0,int curPosY = 0) {
GotoXY(x,y);
for (int i = 1; i < width; i++) {
cout << 'X';
}
cout << 'X';
GotoXY(x,height + y);
for (int i = 1; i < width; i++) {
cout << 'X';
}
cout << 'X';
for (int i = y + 1; i < height + y; i++) {
GotoXY(x,i);
cout << 'X';
GotoXY(x + width,i);
cout << 'X';
}
GotoXY(curPosX,curPosY);
}
void StartGame() {
system("cls");
ResetData();
DrawBoard(0,WIDTH_CONSOLE,HEIGHT_CONSOLE);
STATE = true;
}
void GabageCollect() {
for (int i = 0; i < MAX_CAR; i++) {
delete[] X[i];
}
delete[] X;
}
void ExitGame(HANDLE t) {
GabageCollect();
system("cls");
TerminateThread(t,0);
}
void PauseGame(HANDLE t) {
SuspendThread(t);
}
void ProcessDeath() {
STATE = false;
GotoXY(0,HEIGHT_CONSOLE + 2);
cout << "Dead,type y to continue or any key to exit";
}
void ProcessFinish(POINT& p) {
SPEED == MAX_SPEED ? SPEED = 1 : SPEED++;
p = { 18,19 };
MOVING = 'D';
}
void DrawCars() {
for (int i = 0; i < MAX_CAR; i++) {
for (int j = 0; j < MAX_CAR_LENGTH; j++) {
GotoXY(X[i][j].x,X[i][j].y);
std::cout << '.';
}
}
}
void DrawPlayer(const POINT& p,char s) {
GotoXY(p.x,p.y);
cout << s;
}
bool IsImpact(const POINT& p) //d=Y.y p = Y
{
if (p.y == 1 || p.y == 19) return false;
for (int i = 0; i < MAX_CAR; i++)
{
for (int j = 0; j < MAX_CAR_LENGTH; j++)
{
if (p.x == X[i][j].x && p.y == X[i][j].y) return true;
}
}
return false;
}
void MoveCars(int x1,int y1)
{
for (int i = 1; i < MAX_CAR; i += 2)
{
cnt = 0;
do
{
cnt++;
for (int j = 0; j < MAX_CAR_LENGTH - 1; j++)
{
X[i][j] = X[i][j + 1];
}
X[i][MAX_CAR_LENGTH - 1].x + 1 == WIDTH_CONSOLE + x1 ? X[i][MAX_CAR_LENGTH - 1].x = 1 : X[i][MAX_CAR_LENGTH - 1].x++;
} while (cnt < SPEED);
}
for (int i = 0; i < MAX_CAR; i += 2)
{
cnt = 0;
do
{
cnt++;
for (int j = MAX_CAR_LENGTH - 1; j > 0; j--)
{
X[i][j] = X[i][j - 1];
}
X[i][0].x - 1 == 0 + x1 ? X[i][0].x = WIDTH_CONSOLE + x1 - 1 : X[i][0].x--;
} while (cnt < SPEED);
}
}
void EraseCars()
{
for (int i = 0; i < MAX_CAR; i += 2)
{
cnt = 0;
do
{
GotoXY(X[i][MAX_CAR_LENGTH - 1 - cnt].x,X[i][MAX_CAR_LENGTH - 1 - cnt].y);
cout << " ";
cnt++;
} while (cnt < SPEED);
}
for (int i = 1; i < MAX_CAR; i += 2)
{
cnt = 0;
do
{
GotoXY(X[i][0 + cnt].x,X[i][0 + cnt].y);
cout << " ";
cnt++;
} while (cnt < SPEED);
}
}
void MoveRight()
{
if (Y.x < WIDTH_CONSOLE - 1)
{
DrawPlayer(Y,' ');
Y.x++;
DrawPlayer(Y,'Y');
}
}
void MoveLeft()
{
if (Y.x > 1)
{
DrawPlayer(Y,' ');
Y.x--;
DrawPlayer(Y,'Y');
}
}
void MoveDown()
{
if (Y.y < HEIGHT_CONSOLE - 1)
{
DrawPlayer(Y,' ');
Y.y++;
DrawPlayer(Y,'Y');
}
}
void MoveUp()
{
if (Y.y > 1)
{
DrawPlayer(Y,' ');
Y.y--;
DrawPlayer(Y,'Y');
}
}
void SubThread()
{
while (1)
{
if (STATE)
{
switch (MOVING)
{
case 'A':
MoveLeft();
break;
case 'D':
MoveRight();
break;
case'W':
MoveUp();
break;
case'S':
MoveDown();
break;
}
MOVING = ' ';
EraseCars();
MoveCars(0,0);
DrawCars();
if (IsImpact(Y))
{
ProcessDeath();
}
if (Y.y == 1)
{
ProcessFinish(Y);
Sleep(50);
}
}
}
}
void main()
{
int temp;
FixConsoleWindow();
srand(time(NULL));
StartGame();
thread t1(SubThread);
while (1)
{
temp = toupper(_getch());
if (STATE == 1)
{
EraseCars();
if (temp == 27)
{
ExitGame(t1.native_handle());
break;
}
else if (temp == 'P')
{
PauseGame(t1.native_handle());
temp = toupper(_getch());
if (temp == 'B')
ResumeThread((HANDLE)t1.native_handle());
}
else
{
if (temp == 'D' || temp == 'A' || temp == 'W' || temp == 'S')
{
MOVING = temp;
}
}
}
else
{
if (temp == 'Y') StartGame();
else
{
ExitGame(t1.native_handle());
break;
}
}
}
}
这是错误的图像：https://imgur.com/PGJJX2w 基本上，这是一个过马路游戏，每次你到顶部时，它都会保存位置并且你不能再去那个位置（仍在努力），当你遇到汽车时游戏结束（点线截至片刻）。提前致谢
解决方法
您在此处创建了一个 std::thread 对象：
thread t1(SubThread);
这会导致当对象为 destructed 时调用 std::terminate()（程序中止）。
如果要等到线程结束，请调用 t1.join()；如果要让线程在从 t1.detach() 函数返回之前自由运行，请调用 main()。
另一种选择是直接使用 CreateThread() 而不是 std::thread 来创建线程。这可能会更好，因为您在线程上使用 t1.native_handle() 进行操作。
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