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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <functional>
#include <memory>
#include <mutex>
#include <optional>
#include <unordered_map>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/input.h"
#include "common/param_package.h"
#include "common/point.h"
#include "common/quaternion.h"
#include "common/vector_math.h"
#include "hid_core/frontend/motion_input.h"
#include "hid_core/hid_types.h"
namespace Core::HID {
static constexpr std::size_t MaxTouchDevices = 32;
static constexpr std::size_t MaxActiveTouchInputs = 16;
struct ConsoleMotionInfo {
Common::Input::MotionStatus raw_status{};
MotionInput emulated{};
};
using ConsoleMotionDevices = std::array<std::unique_ptr<Common::Input::InputDevice>, 2>;
using TouchDevices = std::array<std::unique_ptr<Common::Input::InputDevice>, MaxTouchDevices>;
using ConsoleMotionParams = std::array<Common::ParamPackage, 2>;
using TouchParams = std::array<Common::ParamPackage, MaxTouchDevices>;
using ConsoleMotionValues = ConsoleMotionInfo;
using TouchValues = std::array<Common::Input::TouchStatus, MaxTouchDevices>;
// Contains all motion related data that is used on the services
struct ConsoleMotion {
Common::Vec3f accel{};
Common::Vec3f gyro{};
Common::Vec3f rotation{};
std::array<Common::Vec3f, 3> orientation{};
Common::Quaternion<f32> quaternion{};
Common::Vec3f gyro_bias{};
f32 verticalization_error{};
bool is_at_rest{};
};
using TouchFingerState = std::array<TouchFinger, MaxActiveTouchInputs>;
struct ConsoleStatus {
// Data from input_common
ConsoleMotionValues motion_values{};
TouchValues touch_values{};
// Data for HID services
ConsoleMotion motion_state{};
TouchFingerState touch_state{};
};
enum class ConsoleTriggerType {
Motion,
Touch,
All,
};
struct ConsoleUpdateCallback {
std::function<void(ConsoleTriggerType)> on_change;
};
class EmulatedConsole {
public:
/**
* Contains all input data within the emulated switch console tablet such as touch and motion
*/
explicit EmulatedConsole();
~EmulatedConsole();
YUZU_NON_COPYABLE(EmulatedConsole);
YUZU_NON_MOVEABLE(EmulatedConsole);
/// Removes all callbacks created from input devices
void UnloadInput();
/**
* Sets the emulated console into configuring mode
* This prevents the modification of the HID state of the emulated console by input commands
*/
void EnableConfiguration();
/// Returns the emulated console into normal mode, allowing the modification of the HID state
void DisableConfiguration();
/// Returns true if the emulated console is in configuring mode
bool IsConfiguring() const;
/// Reload all input devices
void ReloadInput();
/// Overrides current mapped devices with the stored configuration and reloads all input devices
void ReloadFromSettings();
/// Saves the current mapped configuration
void SaveCurrentConfig();
/// Reverts any mapped changes made that weren't saved
void RestoreConfig();
// Returns the current mapped motion device
Common::ParamPackage GetMotionParam() const;
/**
* Updates the current mapped motion device
* @param param ParamPackage with controller data to be mapped
*/
void SetMotionParam(Common::ParamPackage param);
/// Returns the latest status of motion input from the console with parameters
ConsoleMotionValues GetMotionValues() const;
/// Returns the latest status of touch input from the console with parameters
TouchValues GetTouchValues() const;
/// Returns the latest status of motion input from the console
ConsoleMotion GetMotion() const;
/// Returns the latest status of touch input from the console
TouchFingerState GetTouch() const;
/**
* Adds a callback to the list of events
* @param update_callback A ConsoleUpdateCallback that will be triggered
* @return an unique key corresponding to the callback index in the list
*/
int SetCallback(ConsoleUpdateCallback update_callback);
/**
* Removes a callback from the list stopping any future events to this object
* @param key Key corresponding to the callback index in the list
*/
void DeleteCallback(int key);
private:
/// Creates and stores the touch params
void SetTouchParams();
/**
* Updates the motion status of the console
* @param callback A CallbackStatus containing gyro and accelerometer data
*/
void SetMotion(const Common::Input::CallbackStatus& callback);
/**
* Updates the touch status of the console
* @param callback A CallbackStatus containing the touch position
* @param index Finger ID to be updated
*/
void SetTouch(const Common::Input::CallbackStatus& callback, std::size_t index);
std::optional<std::size_t> GetIndexFromFingerId(std::size_t finger_id) const;
std::optional<std::size_t> GetNextFreeIndex() const;
/**
* Triggers a callback that something has changed on the console status
* @param type Input type of the event to 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;
mutable std::mutex callback_mutex;
std::unordered_map<int, ConsoleUpdateCallback> callback_list;
int last_callback_key = 0;
// Stores the current status of all console input
ConsoleStatus console;
};
} // namespace Core::HID
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