#include <iostream>
#include <Windows.h>
#include <TlHelp32.h>

using namespace std;
bool InjectDLL(DWORD ProcessID);

char FileToInject[] = "gorbisef.dll";
char ProcessName[] = "gta_sa.exe";
typedef HINSTANCE (*fpLoadLibrary)(char*);


int main()
{
	DWORD processId = NULL;

	PROCESSENTRY32 pe32 = {sizeof(PROCESSENTRY32)};
	HANDLE hProcSnap;

	while(!processId)
	{
		system("CLS");
		cout << "Searching for " << ProcessName <<"..." <<endl;
		cout << "Make sure your game is running" <<endl;
		hProcSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
		
		if(Process32First(hProcSnap, &pe32))
		{
			do
			{
				if(!strcmp(pe32.szExeFile, ProcessName))
				{
					processId = pe32.th32ProcessID;
					break;
				}
			}
			while(Process32Next(hProcSnap, &pe32));
		}
		Sleep(1000);
	}


	while(!InjectDLL(processId))
	{
		system("CLS");
		cout << "DLL failed to inject" << endl;
		Sleep(1000);
	}

	cout << "DLL Injected successfuly!" << endl << endl; 
	cout << "Closing Injector in 5 seconds" << endl;

	CloseHandle(hProcSnap);
	Sleep(5000);

	return 0;
}


bool InjectDLL(DWORD ProcessID)
{
	HANDLE hProc;
	LPVOID paramAddr;

	HINSTANCE hDll = LoadLibrary("KERNEL32");

	fpLoadLibrary LoadLibraryAddr = (fpLoadLibrary)GetProcAddress(hDll, "LoadLibraryA");

	hProc = OpenProcess (PROCESS_ALL_ACCESS, false, ProcessID);

	char dllPath[250] = "C:\\Windows\\";

	strcat(dllPath, FileToInject);

	paramAddr = VirtualAllocEx(hProc, 0, strlen(dllPath)+1, MEM_COMMIT, PAGE_READWRITE);
	bool memoryWritten = WriteProcessMemory(hProc, paramAddr, dllPath, strlen(dllPath)+1, NULL);

	CreateRemoteThread(hProc, 0, 0, (LPTHREAD_START_ROUTINE)LoadLibraryAddr, paramAddr, 0, 0);

	CloseHandle(hProc);

	return memoryWritten;
}