public void DrawSpectrum(
Rect r,
bool useLogScale,
float[] data,
float dBRange,
float samplerate,
float colR,
float colG,
float colB,
float colA,
float gainOffsetDB)
{
var xscale = ((data.Length - 2) * 2.0f) / samplerate;
var yscale = 1.0f / dBRange;
AudioCurveRendering.DrawCurve(
r,
delegate(float x)
{
var f = GUIHelpers.MapNormalizedFrequency(x, samplerate, useLogScale, true) * xscale;
var i = (int)Math.Floor(f);
var h = data[i] + ((data[i + 1] - data[i]) * (f - i));
var mag = h > 0.0 ? (20.0f * Math.Log10(h)) + gainOffsetDB : -120.0;
return((float)(yscale * mag));
},
new Color(colR, colG, colB, colA)
);
}
private void DrawFilterCurve(
Rect r,
float[] coeffs,
float lowGain, float midGain, float highGain,
Color color,
bool filled,
double samplerate,
double magScale)
{
double wm = -2.0 * 3.1415926 / samplerate;
AudioCurveRendering.AudioCurveEvaluator d = delegate(float x) {
MathHelpers.ComplexD w = MathHelpers.ComplexD.Exp(wm * GUIHelpers.MapNormalizedFrequency((double)x, samplerate, useLogScale, true));
MathHelpers.ComplexD lpf = MathHelpers.ComplexD.Pow((w * (w * coeffs[0] + coeffs[1]) + coeffs[2]) / (w * (w * coeffs[3] + coeffs[4]) + 1.0f), filterOrder);
MathHelpers.ComplexD bpf1 = MathHelpers.ComplexD.Pow((w * (w * coeffs[5] + coeffs[6]) + coeffs[7]) / (w * (w * coeffs[8] + coeffs[9]) + 1.0f), filterOrder);
MathHelpers.ComplexD bpf2 = MathHelpers.ComplexD.Pow((w * (w * coeffs[10] + coeffs[11]) + coeffs[12]) / (w * (w * coeffs[13] + coeffs[14]) + 1.0f), filterOrder);
MathHelpers.ComplexD hpf = MathHelpers.ComplexD.Pow((w * (w * coeffs[15] + coeffs[16]) + coeffs[17]) / (w * (w * coeffs[18] + coeffs[19]) + 1.0f), filterOrder);
double h = (lpf * lowGain).Mag2() + (bpf1 * bpf2 * midGain).Mag2() + (hpf * highGain).Mag2();
double mag = masterGain + 10.0 * Math.Log10(h);
return((float)(mag * magScale));
};
if (filled)
{
AudioCurveRendering.DrawFilledCurve(r, d, color);
}
else
{
AudioCurveRendering.DrawCurve(r, d, color);
}
}
public void DrawFilterCurve(
Rect r,
float[] coeffs,
bool lowGain, bool midGain, bool highGain,
Color color,
bool useLogScale,
bool filled,
double masterGain,
double samplerate,
double magScale)
{
double wm = -2.0f * 3.1415926 / samplerate;
ComplexD one = new ComplexD(1.0f, 0.0f);
AudioCurveRendering.AudioCurveEvaluator d = delegate(float x)
{
ComplexD w = ComplexD.Exp(wm * GUIHelpers.MapNormalizedFrequency((double)x, samplerate, useLogScale, true));
ComplexD hl = (!lowGain) ? one : (w * (w * coeffs[0] + coeffs[1]) + coeffs[2]) / (w * (w * coeffs[3] + coeffs[4]) + 1.0f);
ComplexD hp = (!midGain) ? one : (w * (w * coeffs[5] + coeffs[6]) + coeffs[7]) / (w * (w * coeffs[8] + coeffs[9]) + 1.0f);
ComplexD hh = (!highGain) ? one : (w * (w * coeffs[10] + coeffs[11]) + coeffs[12]) / (w * (w * coeffs[13] + coeffs[14]) + 1.0f);
ComplexD h = hh * hp * hl;
double mag = masterGain + 10.0 * Math.Log10(h.Mag2());
return((float)(mag * magScale));
};
if (filled)
{
AudioCurveRendering.DrawFilledCurve(r, d, color);
}
else
{
AudioCurveRendering.DrawCurve(r, d, color);
}
}
public void Update(Rect rect, Color color, System.Func <float, float> Evaluate)
{
waveformStartTime = EditorGUILayout.Slider("Start", waveformStartTime, 0, duration);
waveformLength = EditorGUILayout.Slider("Period", waveformLength, 0, duration);
waveformStartTime = Mathf.Min(duration - waveformLength, waveformStartTime);
Rect r = AudioCurveRendering.BeginCurveFrame(rect);
AudioCurveRendering.DrawCurve(r, (t) => Evaluate(waveformStartTime + (t * waveformLength)), color);
AudioCurveRendering.EndCurveFrame();
}
public void DrawSpectrum(Rect r, bool useLogScale, float[] data, float dB_range, float samplerate, float col_r, float col_g, float col_b, float col_a, float gainOffset_dB)
{
float xscale = (float)(data.Length - 2) * 2.0f / samplerate;
float yscale = 1.0f / dB_range;
AudioCurveRendering.DrawCurve(
r,
delegate(float x)
{
double f = GUIHelpers.MapNormalizedFrequency((double)x, samplerate, useLogScale, true) * xscale;
int i = (int)Math.Floor(f);
double h = data[i] + (data[i + 1] - data[i]) * (f - i);
double mag = (h > 0.0) ? (20.0f * Math.Log10(h) + gainOffset_dB) : -120.0;
return((float)(yscale * mag));
},
new Color(col_r, col_g, col_b, col_a));
}
protected override void OnDataDetailGUI()
{
InitAudioSource();
DropDownField("Output Target", ref _selectedItem.LegacySound.OutputTarget, SoundOutTypeStrings, SoundOutTypeValues);
SliderField("Volume", ref _selectedItem.LegacySound.Volume, -100, 100);
SliderField("Balance", ref _selectedItem.LegacySound.Balance, -100, 100);
SliderField("Fade (Rear->Front)", ref _selectedItem.LegacySound.Fade, -100, 100);
EditorGUILayout.Space();
var wfx = _selectedItem.LegacySound.Wfx;
if (_selectedItem.LegacySound.AudioClip != null)
{
GUILayout.Label($"Length : {_selectedItem.LegacySound.AudioClip.length} s, Channels : {wfx.Channels}, BPS : {wfx.BitsPerSample}, Freq : {wfx.SamplesPerSec}");
if (GUILayout.Button(new GUIContent()
{
image = EditorGUIUtility.IconContent("PlayButton").image
}))
{
_audioSource.transform.position = _selectedSoundPos;
_audioSourceComp.volume = (_selectedItem.LegacySound.Volume + 100) / 200.0f;
_audioSourceComp.panStereo = _selectedItem.LegacySound.Balance / 100.0f;
_audioSourceComp.clip = _selectedItem.LegacySound.AudioClip;
_audioSourceComp.Play();
}
EditorGUILayout.Space();
Rect curveRect = GUILayoutUtility.GetLastRect();
curveRect.x += 10.0f;
curveRect.y += curveRect.height;
curveRect.width -= 20.0f;
curveRect.height = 100.0f;
Rect r = AudioCurveRendering.BeginCurveFrame(curveRect);
AudioCurveRendering.DrawCurve(r, x => _audioSamples[(int)((_audioSamples.Length - 1) * x + 0.5f)], Color.green);
AudioCurveRendering.EndCurveFrame();
}
else
{
_selectedItem.LegacySound.AudioClip = (AudioClip)EditorGUILayout.ObjectField(_selectedItem.LegacySound.AudioClip, typeof(AudioClip), false);
}
}
public void DrawFilterCurve(
Rect r,
float[] coeffs,
Color color,
int numModes,
bool useLogScale,
bool filled,
double samplerate,
double magScale)
{
var wm = (-2.0f * 3.1415926) / samplerate;
var zero = new ComplexD(0.0f, 0.0f);
var one = new ComplexD(1.0f, 0.0f);
AudioCurveRendering.AudioCurveEvaluator d = delegate(float x)
{
var w = ComplexD.Exp(wm * GUIHelpers.MapNormalizedFrequency(x, samplerate, useLogScale, true));
var h = zero;
var num = numModes * 3;
for (var n = 0; n < num; n += 3)
{
h += (coeffs[n] * (one - (w * w))) / ((w * ((w * coeffs[n + 2]) + coeffs[n + 1])) + 1.0);
}
var mag = 10.0 * Math.Log10(h.Mag2());
return((float)(mag * magScale));
};
if (filled)
{
AudioCurveRendering.DrawFilledCurve(r, d, color);
}
else
{
AudioCurveRendering.DrawCurve(r, d, color);
}
}
public bool DrawControl(IAudioEffectPlugin plugin, Rect r, float samplerate, int channel)
{
r = AudioCurveRendering.BeginCurveFrame(r);
if (Event.current.type == EventType.Repaint)
{
float blend = plugin.IsPluginEditableAndEnabled() ? 1.0f : 0.5f;
float window, scale, mode;
plugin.GetFloatParameter("Window", out window);
plugin.GetFloatParameter("Scale", out scale);
plugin.GetFloatParameter("Mode", out mode);
float[] buffer;
int numsamples = (mode >= 1.0f) ? maxspeclen : (int)(window * samplerate);
plugin.GetFloatBuffer("Channel" + channel.ToString(), out buffer, numsamples);
numsamples = buffer.Length;
if (mode < 2.0f)
{
Color lineColor = new Color(1.0f, 0.5f, 0.2f, blend);
if (mode >= 1.0f)
{
scale *= 0.1f;
AudioCurveRendering.DrawFilledCurve(r, delegate(float x)
{
float f = Mathf.Clamp(x * (numsamples - 2) * window * 0.5f, 0, numsamples - 2);
int i = (int)Mathf.Floor(f);
float s1 = 20.0f * Mathf.Log10(buffer[i] + 0.0001f);
float s2 = 20.0f * Mathf.Log10(buffer[i + 1] + 0.0001f);
return((s1 + (s2 - s1) * (f - i)) * scale);
}, lineColor);
GUIHelpers.DrawFrequencyTickMarks(r, samplerate * window * 0.5f, false, Color.red);
GUIHelpers.DrawDbTickMarks(r, 1.0f / scale, scale, Color.red, new Color(1.0f, 0.0f, 0.0f, 0.25f));
}
else
{
AudioCurveRendering.DrawCurve(r, delegate(float x) { return(scale * buffer[(int)Mathf.Floor(x * (numsamples - 2))]); }, lineColor);
GUIHelpers.DrawTimeTickMarks(r, window, Color.red, new Color(1.0f, 0.0f, 0.0f, 0.25f));
}
}
else
{
scale *= 0.1f;
for (int i = 0; i < maxspeclen; i++)
{
float v = 20.0f * Mathf.Log10(buffer[i] + 0.0001f) * scale;
spec[i] = new Color(
Mathf.Clamp(v * 4.0f - 1.0f, 0.0f, 1.0f),
Mathf.Clamp(v * 4.0f - 2.0f, 0.0f, 1.0f),
1.0f - Mathf.Clamp(Mathf.Abs(v * 4.0f - 1.0f), 0.0f, 1.0f) * Mathf.Clamp(4.0f - 4.0f * v, 0.0f, 1.0f),
1.0f);
}
if (spectex[channel] == null)
{
spectex[channel] = new Texture2D(maxspeclen, scopeheight);
}
specpos[channel] = (specpos[channel] + 1) % scopeheight;
spectex[channel].SetPixels(0, specpos[channel], maxspeclen, 1, spec);
spectex[channel].Apply();
Color oldColor = GUI.color;
GUI.color = new Color(1.0f, 1.0f, 1.0f, blend);
Rect r2 = new Rect(r.x, r.y + specpos[channel], r.width / (window * 0.5f), scopeheight);
GUI.DrawTexture(r2, spectex[channel], ScaleMode.StretchToFill, false, 1.0f);
r2.y -= scopeheight;
GUI.DrawTexture(r2, spectex[channel], ScaleMode.StretchToFill, false, 1.0f);
GUI.color = oldColor;
GUIHelpers.DrawFrequencyTickMarks(r, samplerate * window * 0.5f, false, Color.red);
}
}
AudioCurveRendering.EndCurveFrame();
return(false);
}
