WutInputDriver.h

/****************************************************************************
 * Platform Abstraction Layer (WUT driver)
 * Daryl Borth 2026
 * WutInputDriver.h
 ***************************************************************************/
#pragma once
 
#include "../InputDriver.h"
#include "../InputData.h"
#include "../OneEuroFilter.h"

class WutInputDriver : public InputDriver {
    public:
        WutInputDriver();
        ~WutInputDriver() override;
 
        void init() override;
        void shutdown() override;
        void update() override;
        void setRumble(int channel, bool rumble) override;
        void setContinuousRumble(int channel, bool continuous) override;

        void openHomeButtonOverlay();
 
    private:
        bool rumbleRequest[4];
        int menuRumbleFrames[4];     // frames left in the current menu "tick" (0 = idle)
        int menuRumbleGapFrames[4];  // frames left in the enforced silent gap after a tick
        bool continuousRumble[4];    // setContinuousRumble() state
        int continuousRumbleCount[4];// consecutive frames the motor has been driven
        int silenceFrames[4];        // frames left in the forced rest after a long continuous run
 
        bool drcTouchedPrev;
        float drcLastTouchX;
        float drcLastTouchY;
 
        // IR pointer smoothing (per Wiimote channel). One Euro Filter adapts
        // its own smoothing strength to pointer speed each frame, so unlike
        // a fixed-alpha EMA there's no single constant to tune - see
        // OneEuroFilter.h for what minCutoff/beta below actually control.
        OneEuroFilter irFilterX[4];
        OneEuroFilter irFilterY[4];
        bool irSmoothInit[4];
 
        // VPADRead()/KPADReadEx() only report *new* wireless packets
        // These caches hold the last known held/analog state per source so a
        // "no new packet yet" tick can carry it forward
        InputPadData drcCache;      // GamePad (VPAD), channel 0 only
        InputPadData kpadCache[4];  // Wiimote/Nunchuk/Classic/Pro, per channel
};