128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <optional>
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#include "common/common_types.h"
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#include "common/thread.h"
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#include "input_common/input_engine.h"
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namespace InputCommon::CemuhookUDP {
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class Socket;
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namespace Response {
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struct PadData;
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struct PortInfo;
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struct TouchPad;
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struct Version;
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} // namespace Response
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enum class PadTouch {
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Click,
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Undefined,
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};
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struct UDPPadStatus {
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std::string host{"127.0.0.1"};
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u16 port{26760};
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std::size_t pad_index{};
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};
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struct DeviceStatus {
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std::mutex update_mutex;
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// calibration data for scaling the device's touch area to 3ds
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struct CalibrationData {
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u16 min_x{};
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u16 min_y{};
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u16 max_x{};
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u16 max_y{};
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};
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std::optional<CalibrationData> touch_calibration;
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};
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/**
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* A button device factory representing a keyboard. It receives keyboard events and forward them
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* to all button devices it created.
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*/
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class UDPClient final : public InputCommon::InputEngine {
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public:
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explicit UDPClient(const std::string& input_engine_);
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~UDPClient();
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void ReloadSockets();
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private:
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struct PadData {
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std::size_t pad_index{};
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bool connected{};
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DeviceStatus status;
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u64 packet_sequence{};
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std::chrono::time_point<std::chrono::steady_clock> last_update;
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};
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struct ClientConnection {
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ClientConnection();
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~ClientConnection();
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std::string host{"127.0.0.1"};
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u16 port{26760};
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s8 active{-1};
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std::unique_ptr<Socket> socket;
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std::thread thread;
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};
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// For shutting down, clear all data, join all threads, release usb
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void Reset();
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// Translates configuration to client number
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std::size_t GetClientNumber(std::string_view host, u16 port) const;
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void OnVersion(Response::Version);
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void OnPortInfo(Response::PortInfo);
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void OnPadData(Response::PadData, std::size_t client);
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void StartCommunication(std::size_t client, const std::string& host, u16 port);
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const PadIdentifier GetPadIdentifier(std::size_t pad_index) const;
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// Allocate clients for 8 udp servers
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static constexpr std::size_t MAX_UDP_CLIENTS = 8;
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static constexpr std::size_t PADS_PER_CLIENT = 4;
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std::array<PadData, MAX_UDP_CLIENTS * PADS_PER_CLIENT> pads{};
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std::array<ClientConnection, MAX_UDP_CLIENTS> clients{};
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};
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/// An async job allowing configuration of the touchpad calibration.
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class CalibrationConfigurationJob {
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public:
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enum class Status {
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Initialized,
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Ready,
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Stage1Completed,
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Completed,
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};
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/**
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* Constructs and starts the job with the specified parameter.
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*
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* @param status_callback Callback for job status updates
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* @param data_callback Called when calibration data is ready
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*/
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explicit CalibrationConfigurationJob(const std::string& host, u16 port,
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std::function<void(Status)> status_callback,
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std::function<void(u16, u16, u16, u16)> data_callback);
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~CalibrationConfigurationJob();
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void Stop();
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private:
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Common::Event complete_event;
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};
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void TestCommunication(const std::string& host, u16 port,
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const std::function<void()>& success_callback,
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const std::function<void()>& failure_callback);
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} // namespace InputCommon::CemuhookUDP
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