113 lines
3 KiB
C++
113 lines
3 KiB
C++
// Copyright 2020 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <array>
|
|
|
|
#include "common/common_types.h"
|
|
|
|
namespace Core {
|
|
class System;
|
|
}
|
|
|
|
namespace Core::HID {
|
|
enum class NpadButton : u64;
|
|
}
|
|
|
|
namespace Service::HID {
|
|
class Controller_NPad;
|
|
}
|
|
|
|
/**
|
|
* The InputInterpreter class interfaces with HID to retrieve button press states.
|
|
* Input is intended to be polled every 50ms so that a button is considered to be
|
|
* held down after 400ms has elapsed since the initial button press and subsequent
|
|
* repeated presses occur every 50ms.
|
|
*/
|
|
class InputInterpreter {
|
|
public:
|
|
explicit InputInterpreter(Core::System& system);
|
|
virtual ~InputInterpreter();
|
|
|
|
/// Gets a button state from HID and inserts it into the array of button states.
|
|
void PollInput();
|
|
|
|
/// Resets all the button states to their defaults.
|
|
void ResetButtonStates();
|
|
|
|
/**
|
|
* Checks whether the button is pressed.
|
|
*
|
|
* @param button The button to check.
|
|
*
|
|
* @returns True when the button is pressed.
|
|
*/
|
|
[[nodiscard]] bool IsButtonPressed(Core::HID::NpadButton button) const;
|
|
|
|
/**
|
|
* Checks whether any of the buttons in the parameter list is pressed.
|
|
*
|
|
* @tparam HIDButton The buttons to check.
|
|
*
|
|
* @returns True when at least one of the buttons is pressed.
|
|
*/
|
|
template <Core::HID::NpadButton... T>
|
|
[[nodiscard]] bool IsAnyButtonPressed() {
|
|
return (IsButtonPressed(T) || ...);
|
|
}
|
|
|
|
/**
|
|
* The specified button is considered to be pressed once
|
|
* if it is currently pressed and not pressed previously.
|
|
*
|
|
* @param button The button to check.
|
|
*
|
|
* @returns True when the button is pressed once.
|
|
*/
|
|
[[nodiscard]] bool IsButtonPressedOnce(Core::HID::NpadButton button) const;
|
|
|
|
/**
|
|
* Checks whether any of the buttons in the parameter list is pressed once.
|
|
*
|
|
* @tparam T The buttons to check.
|
|
*
|
|
* @returns True when at least one of the buttons is pressed once.
|
|
*/
|
|
template <Core::HID::NpadButton... T>
|
|
[[nodiscard]] bool IsAnyButtonPressedOnce() const {
|
|
return (IsButtonPressedOnce(T) || ...);
|
|
}
|
|
|
|
/**
|
|
* The specified button is considered to be held down if it is pressed in all 9 button states.
|
|
*
|
|
* @param button The button to check.
|
|
*
|
|
* @returns True when the button is held down.
|
|
*/
|
|
[[nodiscard]] bool IsButtonHeld(Core::HID::NpadButton button) const;
|
|
|
|
/**
|
|
* Checks whether any of the buttons in the parameter list is held down.
|
|
*
|
|
* @tparam T The buttons to check.
|
|
*
|
|
* @returns True when at least one of the buttons is held down.
|
|
*/
|
|
template <Core::HID::NpadButton... T>
|
|
[[nodiscard]] bool IsAnyButtonHeld() const {
|
|
return (IsButtonHeld(T) || ...);
|
|
}
|
|
|
|
private:
|
|
Service::HID::Controller_NPad& npad;
|
|
|
|
/// Stores 9 consecutive button states polled from HID.
|
|
std::array<u32, 9> button_states{};
|
|
|
|
std::size_t previous_index{};
|
|
std::size_t current_index{};
|
|
};
|