private void OnHapticFeedbackReceived(object sender, HapticPulse hapticPulse)
{
lastHapticPulseLengthUs = hapticPulse.LengthUs;
lastHapticPulseTime = DateTime.Now;
RaisePropertyChanged(() => HapticPulseInfo);
}
/// <summary>
/// Perform a haptic feedback pulse
/// </summary>
/// <param name="node">Node on which to control the pulse</param>
/// <param name="hapticPulse">Haptic pulse to perform</param>
/// <param name="durationMultiplier">(Optional) Multiplier value applied to the hapticPulse duration</param>
/// <param name="intensityMultiplier">(Optional) Multiplier value applied to the hapticPulse intensity</param>
public static void Pulse(this IControlHaptics obj, Node?node, HapticPulse hapticPulse, float durationMultiplier = 1f, float intensityMultiplier = 1f)
{
pulse(node, hapticPulse, durationMultiplier, intensityMultiplier);
}
// Sets up connection and returns true if all links are established.
private bool TrySettingUpConnection()
{
lastConnectionAttempt = DateTime.Now;
// Make sure API server is alive
var status = api.GetStatus(timeoutThresholdMs);
if (status == null)
{
return(false);
}
// Reset current connections, if exist
DisconnectAllEndpoints();
try
{
if (capabilities.HasFlag(Capabilities.HeadTracking))
{
var endpointStatus = status.Endpoints.FirstOrDefault(x => x.Name == EndpointNames.HeadTracking);
if (endpointStatus == null || endpointStatus.Code != (int)ControlResponseCode.OK)
{
return(false);
}
head = new HeadRemote(api.CreateProxy <HeadTrackingProxy>());
}
if (capabilities.HasFlag(Capabilities.Controllers))
{
var endpointStatus = status.Endpoints.FirstOrDefault(x => x.Name == EndpointNames.Controller);
if (endpointStatus == null || endpointStatus.Code != (int)ControlResponseCode.OK)
{
return(false);
}
controller = new ControllerRemote(api.CreateProxy <ControllerProxy>());
}
// Subscribe to haptic pulse broadcasts, if controller proxy is in use
if (controller != null)
{
broadcasts = api.CreateProxy <BroadcastProxy>();
// Forward the events to long-lived event so API user doesn't
// have to resubscribe on reconnect
broadcasts.HapticPulseReceived += (s, e) => HapticPulse?.Invoke(this, e);
}
return(true);
}
catch (Exception x)
{
Logger.Error("Error during API connection: " + x);
// Cleanup possibly connected endpoints
DisconnectAllEndpoints();
}
return(false);
}
/// <summary>
/// Perform a haptic feedback pulse
/// </summary>
/// <param name="user">The functionality user</param>
/// <param name="node">Node on which to control the pulse</param>
/// <param name="hapticPulse">Haptic pulse to perform</param>
/// <param name="durationMultiplier">(Optional) Multiplier value applied to the hapticPulse duration</param>
/// <param name="intensityMultiplier">(Optional) Multiplier value applied to the hapticPulse intensity</param>
public static void Pulse(this IUsesControlHaptics user, Node node, HapticPulse hapticPulse, float durationMultiplier = 1f, float intensityMultiplier = 1f)
{
#if !FI_AUTOFILL
user.provider.Pulse(node, hapticPulse, durationMultiplier, intensityMultiplier);
#endif
}
/// <summary>
/// Pulse haptic feedback
/// </summary>
/// <param name="node">Node on which to perform the pulse.</param>
/// <param name="hapticPulse">Haptic pulse</param>
/// <param name="durationMultiplier">(Optional) Multiplier value applied to the hapticPulse duration</param>
/// <param name="intensityMultiplier">(Optional) Multiplier value applied to the hapticPulse intensity</param>
public void Pulse(Node node, HapticPulse hapticPulse, float durationMultiplier = 1f, float intensityMultiplier = 1f)
{
// Clip buffer can hold up to 800 milliseconds of samples
// At 320Hz, each sample is 3.125f milliseconds
if (Mathf.Approximately(m_MasterIntensity, 0))
{
return;
}
#if ENABLE_OVR_INPUT
m_GeneratedHapticClip.Reset();
var duration = hapticPulse.duration * durationMultiplier;
var intensity = hapticPulse.intensity * intensityMultiplier;
var fadeIn = hapticPulse.fadeIn;
var fadeOut = hapticPulse.fadeOut;
if (duration > MaxDuration)
{
duration = Mathf.Clamp(duration, 0f, MaxDuration); // Clamp at maximum 800ms for sample buffer
if (!m_SampleLengthWarningShown)
{
Debug.LogWarning("Pulse durations greater than 0.8f are not currently supported");
}
m_SampleLengthWarningShown = true;
}
const int kSampleRateConversion = 490; // Samplerate conversion : 44100/90fps = 490
const int kIntensityIncreaseMultiplier = 255; // Maximum value of 255 for intensity
const float kFadeInProportion = 0.25f;
var fadeInSampleCount = duration * kSampleRateConversion * kFadeInProportion;
var fadeOutSampleCount = fadeInSampleCount * 2; // FadeOut is less apparent than FadeIn unless FadeOut duration is increased
duration *= kSampleRateConversion;
var durationFadeOutPosition = duration - fadeOutSampleCount;
intensity = Mathf.Clamp(Mathf.Clamp01(intensity) * kIntensityIncreaseMultiplier * m_MasterIntensity, 0, kIntensityIncreaseMultiplier);
var hapticClipSample = Convert.ToByte(intensity);
for (int i = 1; i < duration; ++i)
{
float sampleShaped = hapticClipSample;
if (fadeIn && i < fadeInSampleCount)
{
sampleShaped = Mathf.Lerp(0, intensity, i / fadeInSampleCount);
}
else if (fadeOut && i > durationFadeOutPosition)
{
sampleShaped = Mathf.Lerp(0, intensity, (duration - i) / fadeOutSampleCount);
}
m_GeneratedHapticClip.WriteSample(Convert.ToByte(sampleShaped));
}
const float kMaxSimultaneousClipDuration = 0.25f;
var channel = GetTargetChannel(node);
if (duration > kMaxSimultaneousClipDuration)
{
// Prevent multiple long clips from playing back simultaneously
// If the new clip has a long duration, stop playback of any existing clips in order to prevent haptic feedback noise
if (channel != null)
{
channel.Preempt(m_GeneratedHapticClip);
}
else
{
m_RHapticsChannel.Preempt(m_GeneratedHapticClip);
m_LHapticsChannel.Preempt(m_GeneratedHapticClip);
}
}
else
{
// Allow multiple short clips to play simultaneously
if (channel != null)
{
channel.Mix(m_GeneratedHapticClip);
}
else
{
m_RHapticsChannel.Mix(m_GeneratedHapticClip);
m_LHapticsChannel.Mix(m_GeneratedHapticClip);
}
}
#endif
}
/// <summary>
/// Pulse haptic feedback
/// </summary>
/// <param name="node">Node on which to perform the pulse.</param>
/// <param name="hapticPulse">Haptic pulse</param>
/// <param name="durationMultiplier">(Optional) Multiplier value applied to the hapticPulse duration</param>
/// <param name="intensityMultiplier">(Optional) Multiplier value applied to the hapticPulse intensity</param>
public void Pulse(Node node, HapticPulse hapticPulse, float durationMultiplier = 1f, float intensityMultiplier = 1f)
{
// Clip buffer can hold up to 800 milliseconds of samples
// At 320Hz, each sample is 3.125f milliseconds
if (Mathf.Approximately(m_MasterIntensity, 0))
{
return;
}
// Reset buffer
m_GeneratedHapticClip.Seek(0, SeekOrigin.Begin);
m_GeneratedHapticClip.SetLength(0);
var duration = hapticPulse.duration * durationMultiplier;
var intensity = hapticPulse.intensity * intensityMultiplier;
var fadeIn = hapticPulse.fadeIn;
var fadeOut = hapticPulse.fadeOut;
if (duration > MaxDuration)
{
duration = Mathf.Clamp(duration, 0f, MaxDuration); // Clamp at maximum 800ms for sample buffer
if (!m_SampleLengthWarningShown)
{
Debug.LogWarning("Pulse durations greater than 0.8f are not currently supported");
}
m_SampleLengthWarningShown = true;
}
const int kSampleRateConversion = 490; // Samplerate conversion : 44100/90fps = 490
const int kIntensityIncreaseMultiplier = 255; // Maximum value of 255 for intensity
const float kFadeInProportion = 0.25f;
var fadeInSampleCount = duration * kSampleRateConversion * kFadeInProportion;
var fadeOutSampleCount = fadeInSampleCount * 2; // FadeOut is less apparent than FadeIn unless FadeOut duration is increased
duration *= kSampleRateConversion;
var durationFadeOutPosition = duration - fadeOutSampleCount;
intensity = Mathf.Clamp(Mathf.Clamp01(intensity) * kIntensityIncreaseMultiplier * m_MasterIntensity, 0, kIntensityIncreaseMultiplier);
var hapticClipSample = Convert.ToByte(intensity);
for (int i = 1; i < duration; ++i)
{
float sampleShaped = hapticClipSample;
if (fadeIn && i < fadeInSampleCount)
{
sampleShaped = Mathf.Lerp(0, intensity, i / fadeInSampleCount);
}
else if (fadeOut && i > durationFadeOutPosition)
{
sampleShaped = Mathf.Lerp(0, intensity, (duration - i) / fadeOutSampleCount);
}
var sampleByte = Convert.ToByte(sampleShaped);
m_GeneratedHapticClip.WriteByte(sampleByte);
}
const float kMaxSimultaneousClipDuration = 0.25f;
var channel = GetTargetChannel(node);
if (duration > kMaxSimultaneousClipDuration)
{
// Prevent multiple long clips from playing back simultaneously
// If the new clip has a long duration, stop playback of any existing clips in order to prevent haptic feedback noise
var buffer = m_GeneratedHapticClip.GetBuffer();
if (node == Node.None)
{
StopPulses();
if (m_Capabilites.supportsBuffer)
{
m_LeftHand.SendHapticBuffer(0, buffer);
m_RightHand.SendHapticBuffer(0, buffer);
}
else
{
m_LeftHand.SendHapticImpulse(0, intensity, duration);
m_RightHand.SendHapticImpulse(0, intensity, duration);
}
}
else
{
StopPulses(node);
if (m_Capabilites.supportsBuffer)
{
channel.SendHapticBuffer(0, buffer);
}
else
{
channel.SendHapticImpulse(0, intensity, duration);
}
}
}
}
