public bool DrawControl(IAudioEffectPlugin plugin, Rect r, float samplerate)
{
var evt = Event.current;
var dragControlID = GUIUtility.GetControlID(FocusType.Passive);
r = AudioCurveRendering.BeginCurveFrame(r);
float windowMin, windowMax, windowDef;
plugin.GetFloatParameterInfo("Window", out windowMin, out windowMax, out windowDef);
float yscaleMin, yscaleMax, yscaleDef;
plugin.GetFloatParameterInfo("YScale", out yscaleMin, out yscaleMax, out yscaleDef);
float yoffsetMin, yoffsetMax, yoffsetDef;
plugin.GetFloatParameterInfo("YOffset", out yoffsetMin, out yoffsetMax, out yoffsetDef);
float window;
plugin.GetFloatParameter("Window", out window);
float yscale;
plugin.GetFloatParameter("YScale", out yscale);
float yoffset;
plugin.GetFloatParameter("YOffset", out yoffset);
var blend = plugin.IsPluginEditableAndEnabled() ? 1.0f : 0.5f;
switch (evt.GetTypeForControl(dragControlID))
{
case EventType.MouseDown:
if ((evt.button == 0) && r.Contains(evt.mousePosition) && (GUIUtility.hotControl == 0))
{
GUIUtility.hotControl = dragControlID;
evt.Use();
}
break;
case EventType.MouseUp:
if ((evt.button == 0) && (GUIUtility.hotControl == dragControlID))
{
GUIUtility.hotControl = 0;
evt.Use();
}
break;
case EventType.MouseDrag:
if (GUIUtility.hotControl == dragControlID)
{
window = Mathf.Clamp(window + (evt.delta.x * 0.1f), windowMin, windowMax);
if (evt.shift)
{
yoffset = Mathf.Clamp(yoffset - ((0.5f * evt.delta.y) / yscale), yoffsetMin, yoffsetMax);
}
else
{
yscale = Mathf.Clamp(yscale - (evt.delta.y * 0.01f), yscaleMin, yscaleMax);
}
plugin.SetFloatParameter("Window", window);
plugin.SetFloatParameter("YScale", yscale);
plugin.SetFloatParameter("YOffset", yoffset);
evt.Use();
}
break;
case EventType.ScrollWheel:
if (r.Contains(evt.mousePosition))
{
window = Mathf.Clamp(window + (evt.delta.x * 0.1f), windowMin, windowMax);
yoffset = Mathf.Clamp(yoffset - ((0.5f * evt.delta.y) / yscale), yoffsetMin, yoffsetMax);
plugin.SetFloatParameter("Window", window);
plugin.SetFloatParameter("YScale", yscale);
plugin.SetFloatParameter("YOffset", yoffset);
evt.Use();
}
break;
case EventType.Repaint:
{
var yscaleDraw = yscale * 0.05f;
// Background grid and values
var lineColor = new Color(0, 0, 0, 0.2f);
var textColor = new Color(1.0f, 1.0f, 1.0f, 0.3f * blend);
GUIHelpers.DrawDbTickMarks(r, yoffset, yscaleDraw, textColor, lineColor);
GUIHelpers.DrawTimeTickMarks(r, window, textColor, lineColor);
// Curves
var numsamples = (int)r.width;
float[] mcurve;
plugin.GetFloatBuffer("MomentaryRMS", out mcurve, numsamples);
float[] scurve;
plugin.GetFloatBuffer("ShortTermRMS", out scurve, numsamples);
float[] icurve;
plugin.GetFloatBuffer("IntegratedRMS", out icurve, numsamples);
DrawCurve(r, mcurve, yoffset, yscaleDraw, new Color(1.0f, 0.0f, 0.0f, blend * 0.5f), 90);
DrawCurve(r, scurve, yoffset, yscaleDraw, new Color(0.0f, 1.0f, 0.0f, blend * 0.3f), 150);
DrawCurve(r, icurve, yoffset, yscaleDraw, new Color(0.0f, 0.0f, 1.0f, blend * 0.3f), 210);
}
break;
}
AudioCurveRendering.EndCurveFrame();
return(false);
}
public bool DrawControl(IAudioEffectPlugin plugin, Rect r, float samplerate, int channel)
{
r = AudioCurveRendering.BeginCurveFrame(r);
if (Event.current.type == EventType.Repaint)
{
var 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;
var numsamples = mode >= 1.0f ? maxspeclen : (int)(window * samplerate);
plugin.GetFloatBuffer("Channel" + channel, out buffer, numsamples);
numsamples = buffer.Length;
if (mode < 2.0f)
{
var lineColor = new Color(1.0f, 0.5f, 0.2f, blend);
if (mode >= 1.0f)
{
scale *= 0.1f;
AudioCurveRendering.DrawFilledCurve(
r,
delegate(float x)
{
var f = Mathf.Clamp(x * (numsamples - 2) * window * 0.5f, 0, numsamples - 2);
var i = (int)Mathf.Floor(f);
var s1 = 20.0f * Mathf.Log10(buffer[i] + 0.0001f);
var 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 (var i = 0; i < maxspeclen; i++)
{
var 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();
var oldColor = GUI.color;
GUI.color = new Color(1.0f, 1.0f, 1.0f, blend);
var 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);
}
