core/hid: Add emulated controllers

src/core/hid/emulated_console.h

@@ -0,0 +1,142 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/point.h"
+#include "common/quaternion.h"
+#include "common/settings.h"
+#include "common/vector_math.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+
+struct ConsoleMotionInfo {
+    Input::MotionStatus raw_status;
+    MotionInput emulated{};
+};
+
+using ConsoleMotionDevices = std::unique_ptr<Input::InputDevice>;
+using TouchDevices = std::array<std::unique_ptr<Input::InputDevice>, 16>;
+
+using ConsoleMotionParams = Common::ParamPackage;
+using TouchParams = std::array<Common::ParamPackage, 16>;
+
+using ConsoleMotionValues = ConsoleMotionInfo;
+using TouchValues = std::array<Input::TouchStatus, 16>;
+
+struct TouchFinger {
+    u64_le last_touch{};
+    Common::Point<float> position{};
+    u32_le id{};
+    bool pressed{};
+    Core::HID::TouchAttribute attribute{};
+};
+
+struct ConsoleMotion {
+    bool is_at_rest{};
+    Common::Vec3f accel{};
+    Common::Vec3f gyro{};
+    Common::Vec3f rotation{};
+    std::array<Common::Vec3f, 3> orientation{};
+    Common::Quaternion<f32> quaternion{};
+};
+
+using TouchFingerState = std::array<TouchFinger, 16>;
+
+struct ConsoleStatus {
+    // Data from input_common
+    ConsoleMotionValues motion_values{};
+    TouchValues touch_values{};
+
+    // Data for Nintendo devices;
+    ConsoleMotion motion_state{};
+    TouchFingerState touch_state{};
+};
+
+enum class ConsoleTriggerType {
+    Motion,
+    Touch,
+    All,
+};
+
+struct ConsoleUpdateCallback {
+    std::function<void(ConsoleTriggerType)> on_change;
+};
+
+class EmulatedConsole {
+public:
+    /**
+     * TODO: Write description
+     *
+     * @param npad_id_type
+     */
+    explicit EmulatedConsole();
+    ~EmulatedConsole();
+
+    YUZU_NON_COPYABLE(EmulatedConsole);
+    YUZU_NON_MOVEABLE(EmulatedConsole);
+
+    void ReloadFromSettings();
+    void ReloadInput();
+    void UnloadInput();
+
+    void EnableConfiguration();
+    void DisableConfiguration();
+    bool IsConfiguring() const;
+    void SaveCurrentConfig();
+    void RestoreConfig();
+
+    Common::ParamPackage GetMotionParam() const;
+
+    void SetMotionParam(Common::ParamPackage param);
+
+    ConsoleMotionValues GetMotionValues() const;
+    TouchValues GetTouchValues() const;
+
+    ConsoleMotion GetMotion() const;
+    TouchFingerState GetTouch() const;
+
+    int SetCallback(ConsoleUpdateCallback update_callback);
+    void DeleteCallback(int key);
+
+private:
+    /**
+     * Sets the status of a button. Applies toggle properties to the output.
+     *
+     * @param A CallbackStatus and a button index number
+     */
+    void SetMotion(Input::CallbackStatus callback);
+    void SetTouch(Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Triggers a callback that something has changed
+     *
+     * @param Input type of the trigger
+     */
+    void TriggerOnChange(ConsoleTriggerType type);
+
+    bool is_configuring{false};
+    f32 motion_sensitivity{0.01f};
+
+    ConsoleMotionParams motion_params;
+    TouchParams touch_params;
+
+    ConsoleMotionDevices motion_devices;
+    TouchDevices touch_devices;
+
+    mutable std::mutex mutex;
+    std::unordered_map<int, ConsoleUpdateCallback> callback_list;
+    int last_callback_key = 0;
+    ConsoleStatus console;
+};
+
+} // namespace Core::HID