forked from ShuriZma/suyu
common: Rewrite and move core/frontend/input.h to common
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@ -73,6 +73,7 @@ add_library(common STATIC
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hex_util.h
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host_memory.cpp
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host_memory.h
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input.h
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intrusive_red_black_tree.h
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literals.h
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logging/backend.cpp
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@ -0,0 +1,242 @@
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// Copyright 2017 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 <functional>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include "common/logging/log.h"
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#include "common/param_package.h"
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namespace Input {
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enum class InputType {
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None,
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Battery,
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Button,
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Stick,
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Analog,
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Trigger,
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Motion,
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Touch,
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Color,
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Vibration,
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Nfc,
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Ir,
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};
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enum class BatteryLevel {
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Empty,
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Critical,
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Low,
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Medium,
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Full,
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Charging,
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};
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struct AnalogProperties {
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float deadzone{};
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float range{1.0f};
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float threshold{0.5f};
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float offset{};
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bool inverted{};
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};
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struct AnalogStatus {
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float value{};
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float raw_value{};
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AnalogProperties properties{};
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};
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struct ButtonStatus {
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bool value{};
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bool inverted{};
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bool toggle{};
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bool locked{};
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};
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using BatteryStatus = BatteryLevel;
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struct StickStatus {
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AnalogStatus x{};
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AnalogStatus y{};
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bool left{};
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bool right{};
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bool up{};
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bool down{};
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};
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struct TriggerStatus {
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AnalogStatus analog{};
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bool pressed{};
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};
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struct MotionSensor {
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AnalogStatus x{};
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AnalogStatus y{};
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AnalogStatus z{};
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};
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struct MotionStatus {
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MotionSensor gyro{};
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MotionSensor accel{};
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u64 delta_timestamp{};
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};
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struct TouchStatus {
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ButtonStatus pressed{};
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AnalogStatus x{};
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AnalogStatus y{};
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u32 id{};
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};
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struct BodyColorStatus {
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u32 body{};
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u32 buttons{};
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};
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struct VibrationStatus {
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f32 low_amplitude{};
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f32 low_frequency{};
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f32 high_amplitude{};
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f32 high_frequency{};
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};
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struct LedStatus {
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bool led_1{};
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bool led_2{};
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bool led_3{};
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bool led_4{};
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};
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struct CallbackStatus {
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InputType type{InputType::None};
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ButtonStatus button_status{};
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StickStatus stick_status{};
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AnalogStatus analog_status{};
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TriggerStatus trigger_status{};
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MotionStatus motion_status{};
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TouchStatus touch_status{};
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BodyColorStatus color_status{};
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BatteryStatus battery_status{};
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VibrationStatus vibration_status{};
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};
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struct InputCallback {
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std::function<void(CallbackStatus)> on_change;
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};
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/// An abstract class template for an input device (a button, an analog input, etc.).
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class InputDevice {
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public:
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virtual ~InputDevice() = default;
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void SetCallback(InputCallback callback_) {
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callback = std::move(callback_);
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}
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void TriggerOnChange(CallbackStatus status) {
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if (callback.on_change) {
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callback.on_change(status);
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}
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}
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private:
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InputCallback callback;
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};
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/// An abstract class template for a factory that can create input devices.
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template <typename InputDeviceType>
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class Factory {
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public:
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virtual ~Factory() = default;
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virtual std::unique_ptr<InputDeviceType> Create(const Common::ParamPackage&) = 0;
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};
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namespace Impl {
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template <typename InputDeviceType>
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using FactoryListType = std::unordered_map<std::string, std::shared_ptr<Factory<InputDeviceType>>>;
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template <typename InputDeviceType>
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struct FactoryList {
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static FactoryListType<InputDeviceType> list;
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};
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template <typename InputDeviceType>
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FactoryListType<InputDeviceType> FactoryList<InputDeviceType>::list;
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} // namespace Impl
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/**
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* Registers an input device factory.
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* @tparam InputDeviceType the type of input devices the factory can create
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* @param name the name of the factory. Will be used to match the "engine" parameter when creating
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* a device
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* @param factory the factory object to register
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*/
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template <typename InputDeviceType>
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void RegisterFactory(const std::string& name, std::shared_ptr<Factory<InputDeviceType>> factory) {
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auto pair = std::make_pair(name, std::move(factory));
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if (!Impl::FactoryList<InputDeviceType>::list.insert(std::move(pair)).second) {
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LOG_ERROR(Input, "Factory '{}' already registered", name);
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}
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}
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/**
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* Unregisters an input device factory.
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* @tparam InputDeviceType the type of input devices the factory can create
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* @param name the name of the factory to unregister
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*/
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template <typename InputDeviceType>
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void UnregisterFactory(const std::string& name) {
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if (Impl::FactoryList<InputDeviceType>::list.erase(name) == 0) {
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LOG_ERROR(Input, "Factory '{}' not registered", name);
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}
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}
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/**
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* Create an input device from given paramters.
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* @tparam InputDeviceType the type of input devices to create
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* @param params a serialized ParamPackage string that contains all parameters for creating the
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* device
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*/
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template <typename InputDeviceType>
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std::unique_ptr<InputDeviceType> CreateDeviceFromString(const std::string& params) {
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const Common::ParamPackage package(params);
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const std::string engine = package.Get("engine", "null");
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const auto& factory_list = Impl::FactoryList<InputDeviceType>::list;
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const auto pair = factory_list.find(engine);
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if (pair == factory_list.end()) {
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if (engine != "null") {
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LOG_ERROR(Input, "Unknown engine name: {}", engine);
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}
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return std::make_unique<InputDeviceType>();
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}
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return pair->second->Create(package);
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}
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/**
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* Create an input device from given paramters.
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* @tparam InputDeviceType the type of input devices to create
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* @param A ParamPackage that contains all parameters for creating the device
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*/
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template <typename InputDeviceType>
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std::unique_ptr<InputDeviceType> CreateDevice(const Common::ParamPackage package) {
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const std::string engine = package.Get("engine", "null");
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const auto& factory_list = Impl::FactoryList<InputDeviceType>::list;
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const auto pair = factory_list.find(engine);
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if (pair == factory_list.end()) {
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if (engine != "null") {
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LOG_ERROR(Input, "Unknown engine name: {}", engine);
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}
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return std::make_unique<InputDeviceType>();
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}
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return pair->second->Create(package);
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}
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} // namespace Input
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