#include <windows.h>
#include <iostream>

DWORD_PTR GetModuleBaseAddress(DWORD procId, const wchar_t* moduleName) { 
    DWORD_PTR moduleBaseAddress = 0;
    HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, procId);
    MODULEENTRY32 moduleEntry32 = { sizeof(MODULEENTRY32) };

    if (Module32First(hSnapshot, &moduleEntry32)) {
        do {
            if (!_wcsicmp(moduleEntry32.szModule, moduleName)) {
                moduleBaseAddress = (DWORD_PTR)moduleEntry32.modBaseAddr;
                break;
            }
        } while (Module32Next(hSnapshot, &moduleEntry32));
    }

    CloseHandle(hSnapshot);
    return moduleBaseAddress;
}

int main() {
    const wchar_t* moduleName = L"GameAssembly.dll";
    const int newMaxPlayers = 9999;

    HWND hwnd = FindWindow(nullptr, L"Among Us");
    DWORD procId;
    GetWindowThreadProcessId(hwnd, &procId);
    HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, procId);

    DWORD_PTR baseAddress = GetModuleBaseAddress(procId, moduleName);
    DWORD_PTR maxPlayersAddress = baseAddress + 0x123456;  // Replace with the correct offset

    if (WriteProcessMemory(hProcess, (LPVOID)maxPlayersAddress, &newMaxPlayers, sizeof(int), nullptr)) {
        std::cout << "Successfully changed the maximum allowed players in Among Us lobby!" << std::endl;
    }
    else {
        std::cout << "Failed to change the maximum allowed players in Among Us lobby." << std::endl;
    }

    CloseHandle(hProcess);
    return 0;
}

C++ Online Compiler

Write, Run & Share C++ code online using OneCompiler's C++ online compiler for free. It's one of the robust, feature-rich online compilers for C++ language, running on the latest version 17. Getting started with the OneCompiler's C++ compiler is simple and pretty fast. The editor shows sample boilerplate code when you choose language as C++ and start coding!

Read inputs from stdin

OneCompiler's C++ online compiler supports stdin and users can give inputs to programs using the STDIN textbox under the I/O tab. Following is a sample program which takes name as input and print your name with hello.

#include <iostream>
#include <string>
using namespace std;

int main() 
{
    string name;
    cout << "Enter name:";
    getline (cin, name);
    cout << "Hello " << name;
    return 0;
}

About C++

C++ is a widely used middle-level programming language.

  • Supports different platforms like Windows, various Linux flavours, MacOS etc
  • C++ supports OOPS concepts like Inheritance, Polymorphism, Encapsulation and Abstraction.
  • Case-sensitive
  • C++ is a compiler based language
  • C++ supports structured programming language
  • C++ provides alot of inbuilt functions and also supports dynamic memory allocation.
  • Like C, C++ also allows you to play with memory using Pointers.

Syntax help

Loops

1. If-Else:

When ever you want to perform a set of operations based on a condition If-Else is used.

if(conditional-expression) {
   //code
}
else {
   //code
}

You can also use if-else for nested Ifs and If-Else-If ladder when multiple conditions are to be performed on a single variable.

2. Switch:

Switch is an alternative to If-Else-If ladder.

switch(conditional-expression){    
case value1:    
 // code    
 break;  // optional  
case value2:    
 // code    
 break;  // optional  
......    
    
default:     
 code to be executed when all the above cases are not matched;    
}

3. For:

For loop is used to iterate a set of statements based on a condition.

for(Initialization; Condition; Increment/decrement){  
  //code  
}

4. While:

While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.

while (condition) {  
// code 
}

5. Do-While:

Do-while is also used to iterate a set of statements based on a condition. It is mostly used when you need to execute the statements atleast once.

do {  
 // code 
} while (condition);

Functions

Function is a sub-routine which contains set of statements. Usually functions are written when multiple calls are required to same set of statements which increases re-usuability and modularity. Function gets run only when it is called.

How to declare a Function:

return_type function_name(parameters);

How to call a Function:

function_name (parameters)

How to define a Function:

return_type function_name(parameters) {  
 // code
}