yuzu/src/input_common/udp/client.h
fearlessTobi ac3690f205 Input: UDP Client to provide motion and touch controls
An implementation of the cemuhook motion/touch protocol, this adds the
ability for users to connect several different devices to citra to send
direct motion and touch data to citra.

Co-Authored-By: jroweboy <jroweboy@gmail.com>
2020-01-23 20:55:26 +01:00

97 lines
2.8 KiB
C++

// Copyright 2018 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <functional>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include <thread>
#include <tuple>
#include <vector>
#include "common/common_types.h"
#include "common/thread.h"
#include "common/vector_math.h"
namespace InputCommon::CemuhookUDP {
static constexpr u16 DEFAULT_PORT = 26760;
static constexpr const char* DEFAULT_ADDR = "127.0.0.1";
class Socket;
namespace Response {
struct PadData;
struct PortInfo;
struct Version;
} // namespace Response
struct DeviceStatus {
std::mutex update_mutex;
std::tuple<Common::Vec3<float>, Common::Vec3<float>> motion_status;
std::tuple<float, float, bool> touch_status;
// calibration data for scaling the device's touch area to 3ds
struct CalibrationData {
u16 min_x;
u16 min_y;
u16 max_x;
u16 max_y;
};
std::optional<CalibrationData> touch_calibration;
};
class Client {
public:
explicit Client(std::shared_ptr<DeviceStatus> status, const std::string& host = DEFAULT_ADDR,
u16 port = DEFAULT_PORT, u8 pad_index = 0, u32 client_id = 24872);
~Client();
void ReloadSocket(const std::string& host = "127.0.0.1", u16 port = 26760, u8 pad_index = 0,
u32 client_id = 24872);
private:
void OnVersion(Response::Version);
void OnPortInfo(Response::PortInfo);
void OnPadData(Response::PadData);
void StartCommunication(const std::string& host, u16 port, u8 pad_index, u32 client_id);
std::unique_ptr<Socket> socket;
std::shared_ptr<DeviceStatus> status;
std::thread thread;
u64 packet_sequence = 0;
};
/// An async job allowing configuration of the touchpad calibration.
class CalibrationConfigurationJob {
public:
enum class Status {
Initialized,
Ready,
Stage1Completed,
Completed,
};
/**
* Constructs and starts the job with the specified parameter.
*
* @param status_callback Callback for job status updates
* @param data_callback Called when calibration data is ready
*/
explicit CalibrationConfigurationJob(const std::string& host, u16 port, u8 pad_index,
u32 client_id, std::function<void(Status)> status_callback,
std::function<void(u16, u16, u16, u16)> data_callback);
~CalibrationConfigurationJob();
void Stop();
private:
Common::Event complete_event;
};
void TestCommunication(const std::string& host, u16 port, u8 pad_index, u32 client_id,
std::function<void()> success_callback,
std::function<void()> failure_callback);
} // namespace InputCommon::CemuhookUDP