yuzu/src/core/hid/emulated_devices.h
Lioncash e05d2a70b2 common/input: Avoid numerous large copies of CallbackStatus
CallbackStatus instances aren't the cheapest things to copy around
(relative to everything else), given that they're currently 520 bytes in
size and are currently copied numerous times when callbacks are invoked.

Instead, we can pass the status by const reference to avoid all the
copying.
2021-12-13 21:22:02 -05:00

210 lines
7.2 KiB
C++

// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <functional>
#include <memory>
#include <mutex>
#include <unordered_map>
#include "common/common_types.h"
#include "common/input.h"
#include "common/param_package.h"
#include "common/settings.h"
#include "core/hid/hid_types.h"
namespace Core::HID {
using KeyboardDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
Settings::NativeKeyboard::NumKeyboardKeys>;
using KeyboardModifierDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
Settings::NativeKeyboard::NumKeyboardMods>;
using MouseButtonDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
Settings::NativeMouseButton::NumMouseButtons>;
using MouseAnalogDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
Settings::NativeMouseWheel::NumMouseWheels>;
using MouseStickDevice = std::unique_ptr<Common::Input::InputDevice>;
using MouseButtonParams =
std::array<Common::ParamPackage, Settings::NativeMouseButton::NumMouseButtons>;
using KeyboardValues =
std::array<Common::Input::ButtonStatus, Settings::NativeKeyboard::NumKeyboardKeys>;
using KeyboardModifierValues =
std::array<Common::Input::ButtonStatus, Settings::NativeKeyboard::NumKeyboardMods>;
using MouseButtonValues =
std::array<Common::Input::ButtonStatus, Settings::NativeMouseButton::NumMouseButtons>;
using MouseAnalogValues =
std::array<Common::Input::AnalogStatus, Settings::NativeMouseWheel::NumMouseWheels>;
using MouseStickValue = Common::Input::TouchStatus;
struct MousePosition {
f32 x;
f32 y;
};
struct DeviceStatus {
// Data from input_common
KeyboardValues keyboard_values{};
KeyboardModifierValues keyboard_moddifier_values{};
MouseButtonValues mouse_button_values{};
MouseAnalogValues mouse_analog_values{};
MouseStickValue mouse_stick_value{};
// Data for HID serices
KeyboardKey keyboard_state{};
KeyboardModifier keyboard_moddifier_state{};
MouseButton mouse_button_state{};
MousePosition mouse_position_state{};
AnalogStickState mouse_wheel_state{};
};
enum class DeviceTriggerType {
Keyboard,
KeyboardModdifier,
Mouse,
};
struct InterfaceUpdateCallback {
std::function<void(DeviceTriggerType)> on_change;
};
class EmulatedDevices {
public:
/**
* Contains all input data related to external devices that aren't necesarily a controller
* This includes devices such as the keyboard or mouse
*/
explicit EmulatedDevices();
~EmulatedDevices();
YUZU_NON_COPYABLE(EmulatedDevices);
YUZU_NON_MOVEABLE(EmulatedDevices);
/// Removes all callbacks created from input devices
void UnloadInput();
/**
* Sets the emulated devices into configuring mode
* This prevents the modification of the HID state of the emulated devices by input commands
*/
void EnableConfiguration();
/// Returns the emulated devices into normal mode, allowing the modification of the HID state
void DisableConfiguration();
/// Returns true if the emulated device 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 latest status of button input from the keyboard with parameters
KeyboardValues GetKeyboardValues() const;
/// Returns the latest status of button input from the keyboard modifiers with parameters
KeyboardModifierValues GetKeyboardModdifierValues() const;
/// Returns the latest status of button input from the mouse with parameters
MouseButtonValues GetMouseButtonsValues() const;
/// Returns the latest status of button input from the keyboard
KeyboardKey GetKeyboard() const;
/// Returns the latest status of button input from the keyboard modifiers
KeyboardModifier GetKeyboardModifier() const;
/// Returns the latest status of button input from the mouse
MouseButton GetMouseButtons() const;
/// Returns the latest mouse coordinates
MousePosition GetMousePosition() const;
/// Returns the latest mouse wheel change
AnalogStickState GetMouseWheel() const;
/**
* Adds a callback to the list of events
* @param update_callback InterfaceUpdateCallback that will be triggered
* @return an unique key corresponding to the callback index in the list
*/
int SetCallback(InterfaceUpdateCallback 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:
/// Helps assigning a value to keyboard_state
void UpdateKey(std::size_t key_index, bool status);
/**
* Updates the touch status of the keyboard device
* @param callback A CallbackStatus containing the key status
* @param index key ID to be updated
*/
void SetKeyboardButton(const Common::Input::CallbackStatus& callback, std::size_t index);
/**
* Updates the keyboard status of the keyboard device
* @param callback A CallbackStatus containing the modifier key status
* @param index modifier key ID to be updated
*/
void SetKeyboardModifier(const Common::Input::CallbackStatus& callback, std::size_t index);
/**
* Updates the mouse button status of the mouse device
* @param callback A CallbackStatus containing the button status
* @param index Button ID to be updated
*/
void SetMouseButton(const Common::Input::CallbackStatus& callback, std::size_t index);
/**
* Updates the mouse wheel status of the mouse device
* @param callback A CallbackStatus containing the wheel status
* @param index wheel ID to be updated
*/
void SetMouseAnalog(const Common::Input::CallbackStatus& callback, std::size_t index);
/**
* Updates the mouse position status of the mouse device
* @param callback A CallbackStatus containing the position status
*/
void SetMouseStick(const Common::Input::CallbackStatus& callback);
/**
* Triggers a callback that something has changed on the device status
* @param type Input type of the event to trigger
*/
void TriggerOnChange(DeviceTriggerType type);
bool is_configuring{false};
KeyboardDevices keyboard_devices;
KeyboardModifierDevices keyboard_modifier_devices;
MouseButtonDevices mouse_button_devices;
MouseAnalogDevices mouse_analog_devices;
MouseStickDevice mouse_stick_device;
mutable std::mutex mutex;
std::unordered_map<int, InterfaceUpdateCallback> callback_list;
int last_callback_key = 0;
// Stores the current status of all external device input
DeviceStatus device_status;
};
} // namespace Core::HID