#include <Windows.h>
//Internal shitzz=======================================
typedef void* (*CreateInterfaceFn)(const char*, int*);
template<typename T>
T CallVirtualFunction(void* table, int index) {
	return (*(T**)table)[index];
}
class IVEngineClient
{
public:
	void GetScreenSize(int& width,int& height)
	{
		typedef void(__thiscall* GetScreenSizeFn)(void*, int&, int&);
		return CallVirtualFunction<GetScreenSizeFn>(this, 5)(this, width, height);
	}
	void ClientCmd(const char* szCommandString)
	{
		typedef void(__thiscall* ClientCmdFn)(void*, const char*);
		return CallVirtualFunction<ClientCmdFn>(this, 7)(this, szCommandString);
	}
	int GetMaxClients()
	{
		typedef int(__thiscall* GetMaxClientsFn)(void*);
		return CallVirtualFunction<GetMaxClientsFn>(this, 20)(this);
	}

	bool IsInGame()
	{
		typedef bool(__thiscall* IsInGameFn)(void*);
		return CallVirtualFunction<IsInGameFn>(this, 26)(this);
	}

	bool IsConnected()
	{
		typedef bool(__thiscall* IsConnectedFn)(void*);
		return CallVirtualFunction<IsConnectedFn>(this, 27)(this);
	}
};
//======================================================

void main() { //Hier kommt dann der hackie stuff rein
	CreateInterfaceFn EngineFactory = reinterpret_cast<CreateInterfaceFn>(GetProcAddress(GetModuleHandleA("engine.dll"), "CreateInterface"));
	IVEngineClient* Engine = Engine = static_cast<IVEngineClient*>(EngineFactory("VEngineClient014", nullptr)); // VEngineClient013
	while (true)
	{
		if (Engine->IsInGame() && Engine->IsConnected())
		{
			static int lasttime = 0;
			if (GetTickCount() - lasttime > 300) {
				Engine->ClientCmd("say Hydr0xHook");
				lasttime = GetTickCount();
			}
		}
	}
}

//DllMain wird gecallt wenn die dll injected wird
bool __stdcall DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
	if (dwReason == DLL_PROCESS_ATTACH) // Wenn der cheat attacht wird wird "main()" ausgeführt
	{
		Beep(750, 100); //Beep geräusch wenn wir injecten
		DisableThreadLibraryCalls(hInstance);
		CreateThread(nullptr, 0, (LPTHREAD_START_ROUTINE)main, hInstance, 0, nullptr);
	}
	return true;
}