C++ How to make that a function runs only one

Question

I use a C++\CLR project in Visual Studio 2017.At the time i try to manipulate the memory so i create a hack for a no name game and try to manipulate the game.

My problem is that I try to create a random integer and for that i use the function rand() in combination with firstSetRand srand().

using namespace System;

    int * randomName()
        {
    srand((unsigned)time(0));
        int i = 1;
        static int name[5];
        for (int i = 1; i < 5; i++)
            {
                name[i] = 97 + rand() % 122;
            }
            std::cout << name << std::endl;
            return name;
        }

This is my function for the random counts and here i call it:

int main(array<System::String ^> ^args)
{
while (true)
    {
      switch (inputCheat)   //check which case match with the user input
                {
                    case 4:
                        Console::WriteLine("test: ");
                        random:: randomName(firstSetRand);
                        //WriteProcessMemory(handle, (LPVOID)localName, &inputNumber, sizeof(), NULL); //Write to the local adress memory and change the value
                        Console::WriteLine("\nWhat did you want to cheat up: ");
                        break;
       }
    }
Sleep(200);
}

The problem is because that´s a while(true) loop and I call the function multiple times. And I don't know how to make that srand() function is only called once time i get always the same random number.

I am coming from Java. In Java i would do the whole code in a class and than i would write the variable in the constructor but i think that's not possible in C++. Because when i do the whole code in a class i get the error:

Severity Code Description Project File Line Suppression State
Error LNK2019 unresolved external symbol _main referenced in function "int __cdecl invoke_main(void)" (?invoke_main@@YAHXZ) AssaultCubeHack C:\Users\schup\source\repos\AssaultCubeHack\AssaultCubeHack\MSVCRTD.lib(exe_main.obj)   1

Here is the full code of my project:

// AssaultCubeWithClr.cpp: Hauptprojektdatei.


#include "stdafx.h"

using namespace System;

struct InitRandHelper
{
    InitRandHelper() { srand((unsigned)time(0)); }
};

int * randomName()
    {
    static InitRandHelper init;

    int i = 1;
    static int name[5];
    for (int i = 1; i < 5; i++)
        {
            name[i] = 97 + rand() % 122;
        }
        std::cout << name << std::endl;
        return name;
    }

void StartText()
{
    //Text to See in the Console
    Console::ForegroundColor = System::ConsoleColor::Green;
    Console::WriteLine("Welcome to my Cheat for AssaultCube!");
    Console::WriteLine("------------------------------------");
    Console::WriteLine("1. For More Health type in: 1.");
    Console::WriteLine("2. For More Ammo type in: 2");
    Console::WriteLine("3. For More Armor type in: 3");
    Console::WriteLine("4. For Turn on Name changer: 4");
}
int main(array<System::String ^> ^args)
{
    DWORD playerBaseAdress = 0x00509b74;
    DWORD offsePrimaryAmmo = 0x128;
    DWORD offsetPistolAmmo = 0x13C;
    DWORD offsetArmor = 0xFC;
    DWORD offsetHealth = 0xF8;
    DWORD offsetRoll = 0x0080;
    DWORD baseforName = 0x005028FC;

    static bool firstSetRand = true;

    int inputCheat;
    int inputNumber;
    DWORD processId;
    DWORD localPlayer;
    DWORD localName;
    DWORD primaryAmmo;
    DWORD pistolAmmo;
    DWORD health;
    DWORD armor;
    DWORD roll;

    bool firstExecute = true;

    HWND hwnd = FindWindowA(NULL, "AssaultCube");       //Find Window with Name AssaultCube

    StartText();        //function call
    while (true)
    {

        if (hwnd == NULL)   //Check if the game exists
        {
            if (firstExecute == true)
            {
                Console::ForegroundColor = System::ConsoleColor::Red;
                Console::WriteLine("ERROR: The Game couldn´t found!");
                firstExecute = false;
            } 
        }
        else
        {
            GetWindowThreadProcessId(hwnd, &processId);     //Get Process id from the Window
            HANDLE handle = OpenProcess(PROCESS_ALL_ACCESS, false, processId);

            if (handle == NULL) //check if process id exsits
            {
                Console::ForegroundColor = System::ConsoleColor::Red;
                Console::WriteLine("ERROR: Wrong Process Id!");
                Console::ForegroundColor = System::ConsoleColor::Green;
            }
            else
            {
                ReadProcessMemory(handle, (LPCVOID)playerBaseAdress, &localPlayer, sizeof(playerBaseAdress), NULL); //Read the local adresse and save it in localPlayer
                ReadProcessMemory(handle, (LPCVOID)baseforName, &localName, sizeof(playerBaseAdress), NULL);

                primaryAmmo = localPlayer + offsePrimaryAmmo;
                pistolAmmo = localPlayer + offsetPistolAmmo;
                health = localPlayer + offsetHealth;
                armor = localPlayer + offsetArmor;
                roll = localPlayer + offsetRoll;

                std::cin >> inputCheat;     //wait for user input

                switch (inputCheat)         //check which case match with the user input
                {
                    case 1:
                        Console::WriteLine("Write how much Health you want: ");
                        std::cin >> inputNumber;
                        WriteProcessMemory(handle, (LPVOID)health, &inputNumber, sizeof(inputNumber), NULL); //Write to the local adress memory and change the value
                        Console::WriteLine("\nWhat did you want to cheat up: ");
                        break;

                    case 2:
                        Console::WriteLine("Write how much Ammo you want: ");
                        std::cin >> inputNumber;
                        WriteProcessMemory(handle, (LPVOID)primaryAmmo, &inputNumber, sizeof(inputNumber), NULL); //Write to the local adress memory and change the value
                        Console::WriteLine("\nWhat did you want to cheat up: ");
                        break;

                    case 3:
                        Console::WriteLine("Write how much Armor you want: ");
                        std::cin >> inputNumber;
                        WriteProcessMemory(handle, (LPVOID)armor, &inputNumber, sizeof(inputNumber), NULL); //Write to the local adress memory and change the value
                        Console::WriteLine("\nWhat did you want to cheat up: ");
                        break;

                    case 4:
                        Console::WriteLine("Random Number: ");
                        randomName();
                        //WriteProcessMemory(handle, (LPVOID)localName, &inputNumber, sizeof(), NULL); //Write to the local adress memory and change the value
                        Console::WriteLine("\nWhat did you want to cheat up: ");
                        break;

                    case 5:
                        Console::WriteLine("test: ");
                        std::cin >> inputNumber;
                        WriteProcessMemory(handle, (LPVOID)roll, &inputNumber, sizeof(inputNumber), NULL); //Write to the local adress memory and change the value
                        Console::WriteLine("\nWhat did you want to cheat up: ");
                        break;

                    default:
                        Console::ForegroundColor = System::ConsoleColor::Red;
                        Console::WriteLine("ERROR: Wrong Entry!");
                        Console::WriteLine("Try a other input :D");
                        Console::ForegroundColor = System::ConsoleColor::Green;
                        break;
                }
            }
        }
        Sleep(200);
    } 
    return 0;
}

Here you can see it doesn't work.

Answer 1

okay here the answer i found. Ther problem is this line:

 std::cout << name << std::endl;

The Ouput in the console is not the value rather its the adress from the array. To do it proper i have to it so:

    int i = 1;
       static int name[5];
       for (int i = 1; i < 5; i++)
       {
          name[i] = 97 + rand() % 122;
          std::cout << name[i] << std::endl; //this line is the right thing to do it
       }
       return name;