GlosSI-fork/SteamTarget/VirtualControllerThread.h

/*
Copyright 2016 Peter Repukat - FlatspotSoftware

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#pragma once

#include <thread>
#include <chrono>
#include <iostream>
#include <atomic>
#include <vector>

#include <Windows.h>
#include <psapi.h>

#include <SFML/System.hpp>

#include <Xinput.h>
#include <ViGEmUM.h>

class VirtualControllerThread
{
public:
	VirtualControllerThread();
	~VirtualControllerThread();

	void run();
	void stop();

	bool isRunning();

private:

	std::atomic<bool> bShouldRun = false;


	typedef DWORD(WINAPI* XInputGetState_t)(DWORD dwUserIndex, XINPUT_STATE* pState);

	static const uint8_t opPatchLenght = 5;
	uint8_t valveHookBytes[5];

	// First 5 bytes are the same for XInput1_4.dll and XInput9_1_0.dll (on AMD64 at least, didn't check yet for x86, there is no ViGEm build for Win7 anway...)
	// So no change has to be made for Win7 Targets
#ifdef _AMD64_
	const uint8_t realBytes[5] = {0x48, 0x89, 0x5C, 0x24, 0x08};
#else
	const uint8_t realBytes[5] = { 0x8B, 0xFF, 0x55, 0x8B, 0xEC };
#endif
	//uint8_t realBytes[5] = { 0xDE, 0xAD, 0xBE, 0xEF, 0x90 };

	int controllerCount = 0;
	XInputGetState_t XGetState = nullptr;

	VIGEM_TARGET vtX360[XUSER_MAX_COUNT];

	std::thread controllerThread;

	sf::Clock sfClock;
	int tickTime = 0;
	int delay = 1000000 / 200;

	void controllerLoop();

	static void controllerCallback(VIGEM_TARGET Target, UCHAR LargeMotor, UCHAR SmallMotor, UCHAR LedNumber);

	static DWORD XInputGetStateWrapper(DWORD dwUserIndex, XINPUT_STATE* pState); //Easier to find in x64dbg...

	DWORD callRealXinputGetState(DWORD dwUserIndex, XINPUT_STATE* pState);

};