wehub-resource-sync
107 lines
3.0 KiB
C#
107 lines
3.0 KiB
C#
using T3.Core.Utils;
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namespace Lib.numbers.floats.process;
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[Guid("60adca24-4ae4-474a-b205-a814d89a7d53")]
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internal sealed class AnalyzePianoMidi :Instance<AnalyzePianoMidi>{
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[Output(Guid = "DF5E7F93-7D89-4D0C-B3CC-18BF0E7655D2", DirtyFlagTrigger = DirtyFlagTrigger.Animated)]
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public readonly Slot<float> VelocityPulse = new();
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[Output(Guid = "33C3A89B-6D62-4754-8C07-86B4A8FFC748", DirtyFlagTrigger = DirtyFlagTrigger.Animated)]
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public readonly Slot<float> LastNormalizedNote = new();
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public AnalyzePianoMidi()
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{
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VelocityPulse.UpdateAction += Update;
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LastNormalizedNote.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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var amplitude = Amplitude.GetValue(context);
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var gainAndBias = GainAndBias.GetValue(context);
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var dt = context.LocalFxTime - _lastUpdateTime;
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_lastUpdateTime = context.LocalFxTime;
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if (dt <= 0.0001)
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return;
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_peak *= PeakDecay.GetValue(context);
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var list = Input.GetValue(context);
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if (list == null || list.Count == 0)
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{
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VelocityPulse.Value = _peak;
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return;
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}
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if (list.Count != _lastValues.Count)
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{
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_lastValues.Clear();
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for (var i = 0; i < list.Count; i++)
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{
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_lastValues.Add(0);
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}
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}
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var maxVelocity = 0f;
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var maxVelocityIndex = -1;
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for (var i = 0; i < list.Count; i++)
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{
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var newValue = list[i];
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var lastValue = _lastValues[i];
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var v = ((newValue - lastValue)/127).ApplyGainAndBias(gainAndBias.X, gainAndBias.Y);
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if (v > 0)
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{
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_peak += v;
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}
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if (v > maxVelocity)
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{
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maxVelocity = v;
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maxVelocityIndex = i;
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}
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_lastValues[i] = newValue;
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}
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if (maxVelocityIndex != -1)
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{
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if (list.Count <= 1)
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{
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LastNormalizedNote.Value = 0.5f;
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}
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else
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{
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LastNormalizedNote.Value = (float) maxVelocityIndex / (list.Count - 1);
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}
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}
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VelocityPulse.Value = _peak * amplitude;
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VelocityPulse.DirtyFlag.Clear();
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LastNormalizedNote.DirtyFlag.Clear();
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}
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private readonly List<float> _lastValues = new(108);
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private double _lastUpdateTime;
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private float _peak;
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[Input(Guid = "3e02c9d5-28bb-4913-b983-bc5464c9f387")]
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public readonly InputSlot<List<float>> Input = new(new List<float>(20));
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[Input(Guid = "DBD07421-6E96-467A-91AE-C526316E6AEE")]
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public readonly InputSlot<float> PeakDecay = new(0);
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[Input(Guid = "78A357B0-668A-47D6-91DB-B172955E8436")]
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public readonly InputSlot<float> Amplitude = new(0);
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[Input(Guid = "B5761D3F-4C56-47C7-A2D5-06EC7BAA7D57")]
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public readonly InputSlot<Vector2> GainAndBias = new();
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} |