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Synthesizer progress
This commit is contained in:
dexy
parent
1371c0390e
commit
4a00d67658
@ -748,13 +748,17 @@ namespace CodeWalker.Forms
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{
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//for (int i = 0; i < buffersCopy.Length; i++)
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int i = synthesizer.Synth.OutputsIndices[0];
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if (i < SynthBufferChart.Series.Count)
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try
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{
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var series = SynthBufferChart.Series[$"B{i}"];
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series.Points.Clear();
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foreach (var v in buffersCopy[i])
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series.Points.AddY(v);
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var series = SynthBufferChart.Series.FindByName($"B{i}");
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if (series != null)
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{
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series.Points.Clear();
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foreach (var v in buffersCopy[i])
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series.Points.AddY(Math.Max(Math.Min(v, 2.0f), -2.0f));//make sure crazy accidental values don't crash it later
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}
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}
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catch { }
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}));
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};
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}
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@ -21,7 +21,7 @@ namespace CodeWalker.Utils
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public Dat10Synth Synth { get; private set; }
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public float[] Registers { get; private set; }
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public float[][] Buffers { get; private set; }
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public Vector4[] StateBlocks { get; private set; }
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public StateBlock[] StateBlocks { get; private set; }
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private Dat10Synth.Instruction[] instructions;
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private bool stop;
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@ -63,7 +63,7 @@ namespace CodeWalker.Utils
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instructions = Dat10Synth.DisassembleGetInstructions(synth.Bytecode, synth.Constants, synth.Variables);
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Registers = new float[synth.RegistersCount];
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Buffers = new float[synth.BuffersCount][];
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StateBlocks = new Vector4[synth.StateBlocksCount];
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StateBlocks = new StateBlock[synth.StateBlocksCount];
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stop = false;
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for (int i = 0; i < synth.BuffersCount; i++)
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@ -115,8 +115,9 @@ namespace CodeWalker.Utils
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Buffers[i][k] = 0.0f;
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bool frameFinished = false;
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foreach (var inst in instructions)
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for (int insti = 0; insti < instructions.Length; insti++)
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{
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var inst = instructions[insti];
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if (frameFinished)
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break;
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@ -772,14 +773,18 @@ namespace CodeWalker.Utils
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case Dat10Synth.Opcode.GATE_SCALAR_SCALAR:
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SetRegister(param[0], Gate(GetScalar(param[1]), GetScalar(param[2])));
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break;
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//case Dat10Synth.Opcode.SMALL_DELAY_FRAC:
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// break;
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//case Dat10Synth.Opcode.SMALL_DELAY_NON_INTERP:
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// break;
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//case Dat10Synth.Opcode.SMALL_DELAY_FRAC_FEEDBACK:
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// break;
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//case Dat10Synth.Opcode.SMALL_DELAY_NON_INTERP_FEEDBACK:
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// break;
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case Dat10Synth.Opcode.SMALL_DELAY_FRAC:
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SmallDelay(GetBuffer(param[0]), GetScalar(param[1]), 0.0f, ref StateBlocks[param[inst.NumberOfInputs].Value], true);
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break;
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case Dat10Synth.Opcode.SMALL_DELAY_NON_INTERP:
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SmallDelay(GetBuffer(param[0]), GetScalar(param[1]), 0.0f, ref StateBlocks[param[inst.NumberOfInputs].Value], false);
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break;
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case Dat10Synth.Opcode.SMALL_DELAY_FRAC_FEEDBACK:
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SmallDelay(GetBuffer(param[0]), GetScalar(param[1]), GetScalar(param[2]), ref StateBlocks[param[3].Value], true);
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break;
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case Dat10Synth.Opcode.SMALL_DELAY_NON_INTERP_FEEDBACK:
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SmallDelay(GetBuffer(param[0]), GetScalar(param[1]), GetScalar(param[2]), ref StateBlocks[param[3].Value], false);
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break;
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case Dat10Synth.Opcode.TRIGGER_DIFF:
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SetRegister(param[0], TriggerDiff(GetScalar(param[1]), GetScalar(param[2]), ref StateBlocks[param[3].Value]));
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break;
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@ -913,7 +918,7 @@ namespace CodeWalker.Utils
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frameFinished = true;
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break;
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default:
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throw new NotImplementedException(inst.Opcode.ToString());
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throw new NotImplementedException(inst.Opcode.ToString() + " (line " + (insti + 1).ToString() + ")");
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}
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}
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@ -1049,7 +1054,7 @@ FINISH =>
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return (float)Math.Pow(2.0f, (note + 36.376301f) / 12.0f);
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}
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private void Decimate(float[] buffer, float scalar1, float deltaPerSample, ref Vector4 stateBlock)
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private void Decimate(float[] buffer, float scalar1, float deltaPerSample, ref StateBlock stateBlock)
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{
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// State block:
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// X -> t: samples counter, each sample adds deltaPerSample, once it reaches 1.0 the lastSample value is updated
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@ -1082,7 +1087,7 @@ FINISH =>
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stateBlock.Y = lastSample;
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}
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private float Counter(bool returnCounter, float setToZeroTrigger, float incrementTrigger, float decrementTrigger, float maxCounter, ref Vector4 stateBlock)
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private float Counter(bool returnCounter, float setToZeroTrigger, float incrementTrigger, float decrementTrigger, float maxCounter, ref StateBlock stateBlock)
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{
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// State block:
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// X -> counter value
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@ -1128,7 +1133,7 @@ FINISH =>
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return valuePercent * threshold * Math.Sign(value);
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}
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private void Compress(float[] buffer, float scalar1_threshold, float scalar2_ratio, float scalar3_time1, float scalar4_time2, ref Vector4 stateBlock)
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private void Compress(float[] buffer, float scalar1_threshold, float scalar2_ratio, float scalar3_time1, float scalar4_time2, ref StateBlock stateBlock)
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{
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// State block:
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// X -> ...
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@ -1331,7 +1336,7 @@ FINISH =>
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a1 /= a0; a2 /= a0;
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}
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private void BiquadFilter2Pole(float[] buffer, float b0, float b1, float b2, float a1, float a2, ref Vector4 stateBlock)
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private void BiquadFilter2Pole(float[] buffer, float b0, float b1, float b2, float a1, float a2, ref StateBlock stateBlock)
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{
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// State block:
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// X -> ...
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@ -1352,7 +1357,7 @@ FINISH =>
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stateBlock.Y = stateY;
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}
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private void BiquadFilter4Pole(float[] buffer, float b0, float b1, float b2, float a1, float a2, ref Vector4 stateBlock)
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private void BiquadFilter4Pole(float[] buffer, float b0, float b1, float b2, float a1, float a2, ref StateBlock stateBlock)
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{
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// State block:
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// X -> ...
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@ -1382,7 +1387,7 @@ FINISH =>
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stateBlock.W = stateW;
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}
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private void EnvelopeFollower(float[] buffer, float a2, float a3, ref Vector4 stateBlock)
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private void EnvelopeFollower(float[] buffer, float a2, float a3, ref StateBlock stateBlock)
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{
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// State block:
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// X -> previous follower value
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@ -1411,7 +1416,7 @@ FINISH =>
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stateBlock.X = prevFollower;
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}
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private float EnvelopeFollower(float scalar, float a2, float a3, ref Vector4 stateBlock)
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private float EnvelopeFollower(float scalar, float a2, float a3, ref StateBlock stateBlock)
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{
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// State block:
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// X -> previous follower value
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@ -1434,12 +1439,12 @@ FINISH =>
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return follower;
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}
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private float TriggerLatch(float value, float triggerLimit, ref Vector4 stateBlock)
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private float TriggerLatch(float value, float triggerLimit, ref StateBlock stateBlock)
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{
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return TriggerLatch(value >= (triggerLimit - 0.000001f), ref stateBlock);
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}
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private float TriggerLatch(float[] buffer, float triggerLimit, ref Vector4 stateBlock)
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private float TriggerLatch(float[] buffer, float triggerLimit, ref StateBlock stateBlock)
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{
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bool triggered = false;
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for (int i = 0; !triggered && i < BufferSize; i++)
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@ -1449,7 +1454,7 @@ FINISH =>
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return TriggerLatch(triggered, ref stateBlock);
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}
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private float TriggerLatch(float[] buffer, float[] triggerLimitBuffer, ref Vector4 stateBlock)
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private float TriggerLatch(float[] buffer, float[] triggerLimitBuffer, ref StateBlock stateBlock)
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{
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bool triggered = false;
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for (int i = 0; !triggered && i < BufferSize; i++)
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@ -1459,7 +1464,7 @@ FINISH =>
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return TriggerLatch(triggered, ref stateBlock);
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}
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private float TriggerLatch(bool triggered, ref Vector4 stateBlock)
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private float TriggerLatch(bool triggered, ref StateBlock stateBlock)
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{
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// State block:
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// X -> latch SET
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@ -1477,7 +1482,7 @@ FINISH =>
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return latch;
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}
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private float TriggerDiff(float value, float triggerLimit, ref Vector4 stateBlock)
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private float TriggerDiff(float value, float triggerLimit, ref StateBlock stateBlock)
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{
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// State block:
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// X -> previous value
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@ -1488,7 +1493,7 @@ FINISH =>
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return triggered ? 1.0f : 0.0f;
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}
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private void OscillatorRamp(float[] buffer, ref Vector4 stateBlock)
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private void OscillatorRamp(float[] buffer, ref StateBlock stateBlock)
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{
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// TODO(alexguirre): better names in OSC_RAMP_BUFFER_BUFFER
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var stateX = stateBlock.X;
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@ -1503,7 +1508,7 @@ FINISH =>
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stateBlock.X = stateX;
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}
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private void OscillatorRamp(float[] buffer, float frequency, ref Vector4 stateBlock)
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private void OscillatorRamp(float[] buffer, float frequency, ref StateBlock stateBlock)
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{
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// TODO(alexguirre): better names in OSC_RAMP_BUFFER_SCALAR
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var v1 = frequency / SampleRate;
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@ -1518,7 +1523,7 @@ FINISH =>
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stateBlock.X = v3;
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}
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private float OscillatorRamp(float frequency, ref Vector4 stateBlock)
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private float OscillatorRamp(float frequency, ref StateBlock stateBlock)
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{
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// TODO(alexguirre): better names in OSC_RAMP_SCALAR
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var v2 = Math.Max(1.0f, frequency / 187.5f);
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@ -1535,7 +1540,7 @@ FINISH =>
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private enum EnvelopeReleaseType { Linear, Exponential }
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private enum EnvelopeTriggerMode { OneShot, Retrigger, Interruptible }
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private float EnvelopeGen(Dat10Synth.Opcode envelopeGenOpcode, float[] buffer, ref Vector4 stateBlock, float predelay, float attack, float decay, float sustain, float hold, float release, float trigger)
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private float EnvelopeGen(Dat10Synth.Opcode envelopeGenOpcode, float[] buffer, ref StateBlock stateBlock, float predelay, float attack, float decay, float sustain, float hold, float release, float trigger)
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{
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EnvelopeReleaseType releaseType;
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switch (envelopeGenOpcode)
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@ -1576,7 +1581,7 @@ FINISH =>
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return EnvelopeGen(releaseType, triggerMode, buffer, ref stateBlock, predelay, attack, decay, sustain, hold, release, trigger);
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}
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private float EnvelopeGen(EnvelopeReleaseType releaseType, EnvelopeTriggerMode triggerMode, float[] buffer, ref Vector4 stateBlock, float predelay, float attack, float decay, float sustain, float hold, float release, float trigger)
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private float EnvelopeGen(EnvelopeReleaseType releaseType, EnvelopeTriggerMode triggerMode, float[] buffer, ref StateBlock stateBlock, float predelay, float attack, float decay, float sustain, float hold, float release, float trigger)
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{
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// State block:
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// X -> envelope state : 8 bits | envelope state remaining samples : 24 bits
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@ -1783,7 +1788,7 @@ FINISH =>
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public float ReleaseActive;
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}
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private TimedTriggerResult TimedTrigger(Dat10Synth.Opcode envelopeGenOpcode, ref Vector4 stateBlock, float trigger, float predelay, float attack, float decay, float hold, float release)
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private TimedTriggerResult TimedTrigger(Dat10Synth.Opcode envelopeGenOpcode, ref StateBlock stateBlock, float trigger, float predelay, float attack, float decay, float hold, float release)
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{
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EnvelopeTriggerMode triggerMode;
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switch (envelopeGenOpcode)
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@ -1821,7 +1826,7 @@ FILL_BUFFER R1 => B1 ; timed trigger finished
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FILL_BUFFER 0 => B7
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FINISH =>
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*/
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private TimedTriggerResult TimedTrigger(EnvelopeTriggerMode triggerMode, ref Vector4 stateBlock, float trigger, float predelay, float attack, float decay, float hold, float release)
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private TimedTriggerResult TimedTrigger(EnvelopeTriggerMode triggerMode, ref StateBlock stateBlock, float trigger, float predelay, float attack, float decay, float hold, float release)
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{
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// State block:
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// X -> envelope state : 8 bits | envelope state remaining samples : 24 bits
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@ -2038,6 +2043,89 @@ FINISH =>
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outputBuffer[i] = cos * a[i] + sin * b[i];
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}
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}
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private void SmallDelay(float[] buffer, float delaySamples, float feedback, ref StateBlock stateBlock, bool interpolate)
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{
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feedback = Math.Max(Math.Min(feedback, 1.0f), -1.0f);//just to stop things getting accidentally out of control...
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delaySamples = Math.Abs(delaySamples);//should this be clamped to max 8..?
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int delaySamplesInt = (int)delaySamples;
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float frac = delaySamples - (float)Math.Floor(delaySamples);
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for (int i = 0; i < BufferSize; i++)
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{
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float currSample = buffer[i];
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float delayedSample;
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int delayed = i + delaySamplesInt;
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float s0 = stateBlock[delayed & 7];
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if (interpolate)
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{
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float s1 = stateBlock[(delayed + 1) & 7];
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delayedSample = (s1 - s0) * frac + s0;
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}
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else
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{
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delayedSample = s0;
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}
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buffer[i] = delayedSample;
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stateBlock[i & 7] = delayedSample * feedback + currSample;
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}
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}
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public struct StateBlock
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{
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public float X { get; set; }
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public float Y { get; set; }
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public float Z { get; set; }
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public float W { get; set; }
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public float A { get; set; }
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public float B { get; set; }
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public float C { get; set; }
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public float D { get; set; }
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public float this[int index]
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{
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get
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{
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switch (index)
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{
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default:
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case 0: return X;
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case 1: return Y;
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case 2: return Z;
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case 3: return W;
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case 4: return A;
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case 5: return B;
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case 6: return C;
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case 7: return D;
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}
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}
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set
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{
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switch (index)
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{
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default:
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case 0: X = value; break;
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case 1: Y = value; break;
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case 2: Z = value; break;
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case 3: W = value; break;
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case 4: A = value; break;
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case 5: B = value; break;
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case 6: C = value; break;
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case 7: D = value; break;
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}
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}
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}
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public float[] Values
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{
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get
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{
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return new[] { X, Y, Z, W, A, B, C, D };
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}
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}
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}
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}
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}
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