mgl_iokit_hid_axis.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_IOKIT_HID_AXIS_H_1610554308
#define INCGUARD_MGL_IOKIT_HID_AXIS_H_1610554308
 
#include <mgl/mgl_environment.h>
#if defined(MGL_GAMEPAD_DELEGATE_ENABLE_IOKIT_HID)
 
#include <IOKit/hid/IOHIDManager.h>
 
namespace MGL::Input::IOKitHID
{
class Axis
{
public:
    void SetParameter(IOHIDElementRef elemRef) noexcept;
    [[nodiscard]] float GetValue(int32_t value) const noexcept;
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] constexpr bool IsPositive(int32_t value) const noexcept
    {
        return (_isAvailable && (static_cast<float>(value) > (_center + _threshold)));
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] constexpr bool IsNegative(int32_t value) const noexcept
    {
        return (_isAvailable && (static_cast<float>(value) < (_center - _threshold)));
    }
 
private:
    bool _isAvailable{false};
    float _min{0.0f};
    float _max{0.0f};
    float _center{0.0f};
    float _threshold{0.0f};
};
}    // namespace MGL::Input::IOKitHID
 
#endif    // MGL_GAMEPAD_DELEGATE_ENABLE_IOKIT_HID
#endif    // INCGUARD_MGL_IOKIT_HID_AXIS_H_1610554308
 
// vim: et ts=4 sw=4 sts=4