wehub-resource-sync
108 lines
4.2 KiB
C#
108 lines
4.2 KiB
C#
#nullable enable
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using T3.Core.Animation;
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using T3.Core.DataTypes.DataSet;
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using T3CoreDataClip = T3.Core.DataTypes.DataSet.DataClip;
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namespace Lib.io.data;
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/// <summary>
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/// Samples one channel of a <see cref="T3CoreDataClip"/> at a point in time: the value of
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/// the last event at or before the sample time. Complements <c>SimulateIoData</c> — instead
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/// of replaying events through the simulated IO bus, this reads channel values directly,
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/// which suits driving parameters from CC curves or recorded OSC without a MidiInput setup.
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/// </summary>
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/// <remarks>
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/// The sample time defaults to the playhead mapped through the clip's
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/// <see cref="T3.Core.Animation.TimeRangeMapping"/> (source seconds, the unit events are
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/// stored in). <c>OverrideTime</c> allows procedural access at any source time.
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/// The per-frame path is allocation-free: channel resolution is cached and invalidated by
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/// reference / string comparison; sampling is a binary search on the event list.
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/// </remarks>
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[Guid("c0d57acb-29cc-489b-89b0-f016968f2f4c")]
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internal sealed class SampleFloatFromDataClip : Instance<SampleFloatFromDataClip>, IStatusProvider, ICustomDropdownHolder
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{
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[Output(Guid = "f29fc9be-8689-4894-a3e1-6b60fdbdae55", DirtyFlagTrigger = DirtyFlagTrigger.Animated)]
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public readonly Slot<float> Result = new();
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[Output(Guid = "25469a27-04e8-49bb-b685-241d9de90451", DirtyFlagTrigger = DirtyFlagTrigger.Animated)]
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public readonly Slot<bool> WasHit = new();
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public SampleFloatFromDataClip()
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{
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Result.UpdateAction += Update;
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WasHit.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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var clip = Clip.GetValue(context);
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var channelPath = Channel.GetValue(context);
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var fallback = DefaultValue.GetValue(context);
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if (!DataClipSampling.TryResolveChannel(clip, channelPath, ref _resolvedChannel, ref _resolvedSet, ref _resolvedPath,
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out _errorMessageForStatus))
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{
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Result.Value = fallback;
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WasHit.Value = false;
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return;
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}
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var time = DataClipSampling.GetSampleTime(context, clip!,
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UseTimeOverride.GetValue(context),
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OverrideTime.GetValue(context));
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if (DataClipSampling.TrySampleLastValueAtTime(_resolvedChannel!, time, out var value))
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{
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Result.Value = value;
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}
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else
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{
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Result.Value = fallback;
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}
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WasHit.Value = _hitDetector.Update(Playback.RunTimeInSecs, time, _resolvedChannel!);
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}
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#region channel dropdown
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string ICustomDropdownHolder.GetValueForInput(Guid inputId) => Channel.Value ?? string.Empty;
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IEnumerable<string> ICustomDropdownHolder.GetOptionsForInput(Guid inputId)
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=> DataClipSampling.GetChannelOptions(inputId, Channel.Id, Clip.Value);
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void ICustomDropdownHolder.HandleResultForInput(Guid inputId, string? selected, bool isAListItem)
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{
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if (selected != null)
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Channel.SetTypedInputValue(selected);
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}
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#endregion
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IStatusProvider.StatusLevel IStatusProvider.GetStatusLevel()
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=> string.IsNullOrEmpty(_errorMessageForStatus)
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? IStatusProvider.StatusLevel.Success
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: IStatusProvider.StatusLevel.Warning;
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string IStatusProvider.GetStatusMessage() => _errorMessageForStatus;
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[Input(Guid = "b69fbaf8-57f7-4b37-b23f-50e1aa0cd4d5")]
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public readonly InputSlot<T3CoreDataClip?> Clip = new();
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[Input(Guid = "237ae57a-2aba-4a6f-9ed0-049635a1e04c")]
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public readonly InputSlot<string> Channel = new();
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[Input(Guid = "10066199-4e20-4f04-af17-5afe359de431")]
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public readonly InputSlot<float> DefaultValue = new();
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[Input(Guid = "61b5ef56-4a32-4026-a0c0-0b0c7b8ee1b1")]
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public readonly InputSlot<float> OverrideTime = new();
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[Input(Guid = "5c470e20-fe8e-461e-9333-05e82ff348f0")]
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public readonly InputSlot<bool> UseTimeOverride = new();
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private DataChannel? _resolvedChannel;
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private DataSet? _resolvedSet;
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private string? _resolvedPath;
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private DataClipSampling.HitDetector _hitDetector;
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private string _errorMessageForStatus = string.Empty;
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}
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