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Improve Accuracy of Vibration + Unify Translation + Add Comments
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@ -11,7 +11,7 @@ namespace skyline::input {
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*/
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struct GuestController {
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NpadControllerType type{};
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i8 partnerIndex{-1}; //!< The index of a Joy-Con partner, if this has one
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i8 partnerIndex{constant::NullIndex}; //!< The index of a Joy-Con partner, if this has one
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NpadDevice *device{nullptr}; //!< A pointer to the NpadDevice that all events from this are redirected to
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};
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@ -352,33 +352,75 @@ namespace skyline::input {
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globalTimestamp++;
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}
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void NpadDevice::VibrateDevice(i8 vibrateIndex, const NpadVibrationValue &value) {
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std::array<jlong, 3> timings;
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std::array<jint, 3> amplitudes;
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struct VibrationInfo {
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jlong period;
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jint amplitude;
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jlong start;
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jlong end;
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jlong periodLow = 1000 / value.frequencyLow;
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jlong periodHigh = 1000 / value.frequencyHigh;
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VibrationInfo(float frequency, float amplitude) : period(constant::MsInSecond / frequency), amplitude(amplitude), start(0), end(period) {}
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};
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jint amplitudeLow = value.amplitudeLow * 127;
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jint amplitudeHigh = value.amplitudeHigh * 127;
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template<size_t Size>
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void VibrateDevice(const std::shared_ptr<JvmManager> &jvm, i8 index, std::array<VibrationInfo, Size> vibrations) {
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jlong totalTime{};
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std::sort(vibrations.begin(), vibrations.end(), [](const VibrationInfo &a, const VibrationInfo &b) {
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return a.period < b.period;
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});
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if (amplitudeLow + amplitudeHigh == 0 || periodLow + periodHigh == 0) {
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manager.state.jvm->ClearVibrationDevice(vibrateIndex);
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jint totalAmplitude{};
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for (const auto &vibration : vibrations)
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totalAmplitude += vibration.amplitude;
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// If this vibration is essentially null then we don't play rather clear any running vibrations
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if (totalAmplitude == 0 || vibrations[3].period == 0) {
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jvm->ClearVibrationDevice(index);
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return;
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}
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if (periodLow == periodHigh) {
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timings = {periodLow, periodHigh, 0};
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amplitudes = {std::min(amplitudeLow + amplitudeHigh, 255), 0, 0};
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} else if (periodLow < periodHigh) {
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timings = {periodLow, periodHigh - periodLow, periodHigh};
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amplitudes = {std::min(amplitudeLow + amplitudeHigh, 255), amplitudeHigh, 0};
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} else if (periodHigh < periodLow) {
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timings = {periodHigh, periodLow - periodHigh, periodLow};
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amplitudes = {std::min(amplitudeHigh + amplitudeLow, 255), amplitudeLow, 0};
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// We output an approximation of the combined + linearized vibration data into these arrays, larger arrays would allow for more accurate reproduction of data
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std::array<jlong, 50> timings;
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std::array<jint, 50> amplitudes;
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// We are essentially unrolling the bands into a linear sequence, due to the data not being always linearizable there will be inaccuracies at the ends unless there's a pattern that's repeatable which will happen when all band's frequencies are factors of each other
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u8 i{};
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for (; i < timings.size(); i++) {
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jlong time{};
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u8 startCycleCount{};
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for (u8 n{}; n < vibrations.size(); n++) {
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auto &vibration = vibrations[n];
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if (totalTime <= vibration.start) {
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vibration.start = vibration.end + vibration.period;
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totalAmplitude += vibration.amplitude;
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time = std::max(vibration.period, time);
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startCycleCount++;
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} else if (totalTime <= vibration.start) {
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vibration.end = vibration.start + vibration.period;
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totalAmplitude -= vibration.amplitude;
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time = std::max(vibration.period, time);
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}
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}
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// If all bands start again at this point then we can end the pattern here as a loop to the front will be flawless
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if (i && startCycleCount == vibrations.size())
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break;
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timings[i] = time;
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totalTime += time;
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amplitudes[i] = std::min(totalAmplitude, constant::AmplitudeMax);
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}
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manager.state.jvm->VibrateDevice(vibrateIndex, timings, amplitudes);
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jvm->VibrateDevice(index, std::span(timings.begin(), timings.begin() + i), std::span(amplitudes.begin(), amplitudes.begin() + i));
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}
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void VibrateDevice(const std::shared_ptr<JvmManager> &jvm, i8 index, const NpadVibrationValue &value) {
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std::array<VibrationInfo, 2> vibrations{
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VibrationInfo{value.frequencyLow, value.amplitudeLow * (constant::AmplitudeMax / 2)},
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{value.frequencyHigh, value.amplitudeHigh * (constant::AmplitudeMax / 2)},
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};
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VibrateDevice(jvm, index, vibrations);
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}
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void NpadDevice::Vibrate(bool isRight, const NpadVibrationValue &value) {
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@ -390,52 +432,21 @@ namespace skyline::input {
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if (vibrationRight)
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Vibrate(vibrationLeft, *vibrationRight);
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else
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VibrateDevice(index, value);
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VibrateDevice(manager.state.jvm, index, value);
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}
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void NpadDevice::Vibrate(const NpadVibrationValue &left, const NpadVibrationValue &right) {
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if (partnerIndex == -1) {
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std::array<jlong, 5> timings;
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std::array<jint, 5> amplitudes;
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std::array<std::pair<jlong, jint>, 4> vibrations{std::pair<jlong, jint>{1000 / left.frequencyLow, left.amplitudeLow * 64},
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{1000 / left.frequencyHigh, left.amplitudeHigh * 64},
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{1000 / right.frequencyLow, right.amplitudeLow * 64},
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{1000 / right.frequencyHigh, right.amplitudeHigh * 64},
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if (partnerIndex == constant::NullIndex) {
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std::array<VibrationInfo, 4> vibrations{
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VibrationInfo{left.frequencyLow, left.amplitudeLow * (constant::AmplitudeMax / 4)},
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{left.frequencyHigh, left.amplitudeHigh * (constant::AmplitudeMax / 4)},
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{right.frequencyLow, right.amplitudeLow * (constant::AmplitudeMax / 4)},
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{right.frequencyHigh, right.amplitudeHigh * (constant::AmplitudeMax / 4)},
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};
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jlong totalTime{};
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std::sort(vibrations.begin(), vibrations.end(), [](const std::pair<jlong, jint> &a, const std::pair<jlong, jint> &b) {
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return a.first < b.first;
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});
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jint totalAmplitude{};
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for (const auto &vibration : vibrations)
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totalAmplitude += vibration.second;
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if (totalAmplitude == 0 || vibrations[3].first == 0) {
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manager.state.jvm->ClearVibrationDevice(index);
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return;
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}
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for (u8 i{0}; i < vibrations.size(); i++) {
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const auto &vibration = vibrations[i];
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auto time = vibration.first - totalTime;
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timings[i] = time;
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totalTime += time;
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amplitudes[i] = std::min(totalAmplitude, 255);
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totalAmplitude -= vibration.second;
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}
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timings[4] = totalTime;
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amplitudes[4] = 0;
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manager.state.jvm->VibrateDevice(index, timings, amplitudes);
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VibrateDevice<4>(manager.state.jvm, index, vibrations);
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} else {
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VibrateDevice(index, left);
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VibrateDevice(partnerIndex, right);
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VibrateDevice(manager.state.jvm, index, left);
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VibrateDevice(manager.state.jvm, partnerIndex, right);
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}
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}
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}
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@ -6,6 +6,12 @@
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#include <kernel/types/KEvent.h>
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#include "shared_mem.h"
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namespace skyline::constant {
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constexpr jlong MsInSecond = 1000; //!< The amount of milliseconds in a single second of time
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constexpr jint AmplitudeMax = std::numeric_limits<u8>::max(); //!< The maximum amplitude for Android Vibration APIs
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constexpr i8 NullIndex = -1; //!< The placeholder index value when there is no device present
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}
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namespace skyline::input {
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/**
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* @brief This enumerates the orientations the Joy-Con(s) can be held in
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@ -74,7 +80,7 @@ namespace skyline::input {
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bool isSixAxisSingle : 1; //!< If the Six-Axis device is a single unit, either Handheld or Pro-Controller
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};
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constexpr NpadControllerType GetType() {
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constexpr NpadControllerType GetType() const {
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switch (type) {
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case 3:
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return NpadControllerType::ProController;
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@ -129,12 +135,10 @@ namespace skyline::input {
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*/
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NpadControllerInfo &GetControllerInfo();
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void VibrateDevice(i8 index, const NpadVibrationValue &value);
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public:
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NpadId id;
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i8 index{-1}; //!< The index of the device assigned to this player
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i8 partnerIndex{-1}; //!< The index of a partner device, if present
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i8 index{constant::NullIndex}; //!< The index of the device assigned to this player
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i8 partnerIndex{constant::NullIndex}; //!< The index of a partner device, if present
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NpadVibrationValue vibrationLeft; //!< Vibration for the left Joy-Con (Handheld/Pair), left LRA in a Pro-Controller or individual Joy-Cons
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std::optional<NpadVibrationValue> vibrationRight; //!< Vibration for the right Joy-Con (Handheld/Pair) or right LRA in a Pro-Controller
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NpadControllerType type{};
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@ -121,18 +121,17 @@ namespace skyline::service::hid {
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auto &valueBuf = request.inputBuf.at(1);
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std::span values(reinterpret_cast<NpadVibrationValue *>(valueBuf.address), valueBuf.size / sizeof(NpadVibrationValue));
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for (int i = 0; i < handles.size(); ++i) {
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auto &handle = handles[i];
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for (size_t i{}; i < handles.size(); ++i) {
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const auto &handle = handles[i];
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auto &device = state.input->npad.at(handle.id);
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if (device.type == handle.GetType()) {
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if (i + 1 != handles.size() && handles[i + 1].id == handle.id && handles[i + 1].isRight && !handle.isRight) {
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state.logger->Info("Vibration #{}&{} - Handle: 0x{:02X} (0b{:05b}), Vibration: {:.2f}@{:.2f}Hz, {:.2f}@{:.2f}Hz - {:.2f}@{:.2f}Hz, {:.2f}@{:.2f}Hz", i, i + 1, u8(handle.id), u8(handle.type), values[i].amplitudeLow, values[i].frequencyLow, values[i].amplitudeHigh, values[i].frequencyHigh, values[i + 1].amplitudeLow, values[i + 1].frequencyLow, values[i + 1].amplitudeHigh, values[i + 1].frequencyHigh);
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state.logger->Debug("Vibration #{}&{} - Handle: 0x{:02X} (0b{:05b}), Vibration: {:.2f}@{:.2f}Hz, {:.2f}@{:.2f}Hz - {:.2f}@{:.2f}Hz, {:.2f}@{:.2f}Hz", i, i + 1, u8(handle.id), u8(handle.type), values[i].amplitudeLow, values[i].frequencyLow, values[i].amplitudeHigh, values[i].frequencyHigh, values[i + 1].amplitudeLow, values[i + 1].frequencyLow, values[i + 1].amplitudeHigh, values[i + 1].frequencyHigh);
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device.Vibrate(values[i], values[i + 1]);
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i++;
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} else {
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auto &value = values[i];
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state.logger->Info("Vibration #{} - Handle: 0x{:02X} (0b{:05b}), Vibration: {:.2f}@{:.2f}Hz, {:.2f}@{:.2f}Hz", i, u8(handle.id), u8(handle.type), value.amplitudeLow, value.frequencyLow, value.amplitudeHigh, value.frequencyHigh);
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const auto &value = values[i];
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state.logger->Debug("Vibration #{} - Handle: 0x{:02X} (0b{:05b}), Vibration: {:.2f}@{:.2f}Hz, {:.2f}@{:.2f}Hz", i, u8(handle.id), u8(handle.type), value.amplitudeLow, value.frequencyLow, value.amplitudeHigh, value.frequencyHigh);
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device.Vibrate(handle.isRight, value);
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}
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}
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