/// <summary>
/// Code from these gents
/// https://answers.unity.com/questions/189886/displaying-an-audio-waveform-in-the-editor.html
/// </summary>
public Texture2D PaintWaveformSpectrum(AudioClip audio, int width, int height, Color col)
{
Texture2D tex = new Texture2D(width, height, TextureFormat.RGBA32, false);
float[] samples = new float[audio.samples];
float[] waveform = new float[width];
audio.GetData(samples, 0);
int packSize = (audio.samples / width) + 1;
int s = 0;
for (int i = 0; i < audio.samples; i += packSize)
{
waveform[s] = Mathf.Abs(samples[i]);
s++;
}
AudioFileMusic myScript = (AudioFileMusic)target;
for (int x = 0; x < width; x++)
{
// Here we limit the scope of the area based on loop points
if (x < waveform.Length * (myScript.loopStart / audio.length) || x > waveform.Length * (myScript.loopEnd / audio.length))
{
for (int y = 0; y < height; y++)
{
tex.SetPixel(x, y, Color.black);
}
}
else
{
for (int y = 0; y < height; y++)
{
tex.SetPixel(x, y, new Color(0.3f, 0.3f, 0.3f));
}
}
}
for (int x = 0; x < waveform.Length; x++)
{
for (int y = 0; y <= waveform[x] * ((float)height * .75f); y++)
{
Color currentPixelColour = tex.GetPixel(x, (height / 2) + y);
tex.SetPixel(x, (height / 2) + y, currentPixelColour + col * 0.75f);
currentPixelColour = tex.GetPixel(x, (height / 2) - y);
tex.SetPixel(x, (height / 2) - y, currentPixelColour + col * 0.75f);
}
}
tex.Apply();
return(tex);
}
public override void OnInspectorGUI()
{
AudioFileMusic myScript = (AudioFileMusic)target;
EditorGUILayout.LabelField("The name of this gameObject will be used to refer to audio in script");
if (myScript.GetFile()[0] == null)
{
EditorGUILayout.HelpBox("Error! Add an audio file before running!", MessageType.Error);
}
if (myScript.name.Equals("NEW AUDIO FILE") || myScript.name.Equals("None") || myScript.name.Equals("GameObject"))
{
EditorGUILayout.HelpBox("Warning! Change the name of the audio file to something different or things will break!", MessageType.Warning);
}
DrawDefaultInspector();
}
void Update()
{
if ((clipPlaying && !clipPaused) || mouseDragging)
{
Repaint();
AudioFileMusic myScript = (AudioFileMusic)target;
AudioClip music = myScript.GetFile();
float clipPos = (float)AudioUtil.GetClipSamplePosition(music) / (float)music.frequency;
AudioUtil.LoopClip(music, loopClip);
if (clipPos < myScript.loopStart || clipPos > myScript.loopEnd)
{
AudioUtil.SetClipSamplePosition(music, Mathf.CeilToInt(myScript.loopStart * music.frequency));
}
}
}
public override void OnInspectorGUI()
{
AudioFileMusic myScript = (AudioFileMusic)target;
EditorGUILayout.LabelField("The name of this gameObject will be used to refer to audio in script");
if (myScript.GetFile() == null)
{
EditorGUILayout.HelpBox("Error! Add an audio file before running!", MessageType.Error);
}
if (myScript.name.Contains("NEW AUDIO FILE") || myScript.name.Equals("None") || myScript.name.Equals("GameObject"))
{
EditorGUILayout.HelpBox("Warning! Change the name of the gameObject to something different or things will break!", MessageType.Warning);
}
DrawDefaultInspector();
if (myScript.useLoopPoints)
{
showLoopPointTool = EditorGUILayout.Foldout(showLoopPointTool, "Loop Point Tools");
if (showLoopPointTool)
{
EditorGUILayout.Space();
EditorGUILayout.LabelField("Customize where music will loop between", EditorStyles.boldLabel);
int option = (int)myScript.loopPointInputMode;
option = EditorGUILayout.Popup("Loop Point Setting Mode", option, System.Enum.GetNames(typeof(AudioFileMusic.LoopPointTool)));
if (option != (int)myScript.loopPointInputMode)
{
Undo.RecordObject(myScript, "Modified loop point tool");
myScript.loopPointInputMode = (AudioFileMusic.LoopPointTool)option;
EditorUtility.SetDirty(myScript);
}
AudioClip music = myScript.GetFile();
float loopStart = myScript.loopStart;
float loopEnd = myScript.loopEnd;
DrawPlaybackTool(music);
switch (myScript.loopPointInputMode)
{
case AudioFileMusic.LoopPointTool.Slider:
GUILayout.Label("Song Duration Samples: " + music.samples);
EditorGUILayout.MinMaxSlider(ref loopStart, ref loopEnd, 0, music.length);
GUILayout.BeginHorizontal();
GUILayout.Label("Loop Point Start: " + TimeToString(loopStart));
GUILayout.Label("Loop Point Start (Samples): " + myScript.loopStart * music.frequency);
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("Loop Point End: " + TimeToString(loopEnd));
GUILayout.Label("Loop Point End (Samples): " + myScript.loopEnd * music.frequency);
GUILayout.EndHorizontal();
break;
case AudioFileMusic.LoopPointTool.TimeInput:
EditorGUILayout.Space();
GUILayout.BeginHorizontal();
float theTime = loopStart * 1000f;
GUILayout.Label("Loop Point Start:");
int minutes = EditorGUILayout.IntField((int)(theTime / 60000f));
GUILayout.Label(":");
int seconds = EditorGUILayout.IntField((int)(theTime % 60000) / 1000);
GUILayout.Label(":");
int milliseconds = EditorGUILayout.IntField((int)(theTime % 60000) % 1000);
loopStart = (float)minutes * 60f + (float)seconds + (float)milliseconds / 1000f;
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
theTime = loopEnd * 1000f;
GUILayout.Label("Loop Point End: ");
minutes = EditorGUILayout.IntField((int)theTime / 60000);
GUILayout.Label(":");
seconds = EditorGUILayout.IntField((int)(theTime % 60000) / 1000);
GUILayout.Label(":");
milliseconds = EditorGUILayout.IntField((int)(theTime % 60000) % 1000);
loopEnd = (float)minutes * 60f + (float)seconds + (float)milliseconds / 1000f;
GUILayout.EndHorizontal();
break;
case AudioFileMusic.LoopPointTool.TimeSamplesInput:
GUILayout.Label("Song Duration (Samples): " + music.samples);
EditorGUILayout.Space();
GUILayout.BeginHorizontal();
GUILayout.Label("Loop Point Start:");
float samplesStart = EditorGUILayout.FloatField(myScript.loopStart * music.frequency);
GUILayout.EndHorizontal();
loopStart = samplesStart / music.frequency;
GUILayout.BeginHorizontal();
GUILayout.Label("Loop Point End: ");
float samplesEnd = EditorGUILayout.FloatField(myScript.loopEnd * music.frequency);
GUILayout.EndHorizontal();
loopEnd = samplesEnd / music.frequency;
break;
case AudioFileMusic.LoopPointTool.BPMInput /*WithBeats*/:
GUILayout.BeginHorizontal();
myScript.bpm = EditorGUILayout.IntField("Song BPM: ", myScript.bpm);
GUILayout.Label("Song Duration (Beats): " + music.length / (60f / myScript.bpm));
GUILayout.EndHorizontal();
EditorGUILayout.Space();
float startBeat = loopStart / (60f / (float)myScript.bpm);
startBeat = EditorGUILayout.FloatField("Starting Beat:", startBeat);
float endBeat = loopEnd / (60f / (float)myScript.bpm);
endBeat = EditorGUILayout.FloatField("Ending Beat:", endBeat);
loopStart = (float)startBeat * 60f / (float)myScript.bpm;
loopEnd = (float)endBeat * 60f / (float)myScript.bpm;
break;
//case AudioFileMusic.LoopPointTool.BPMInputWithBars:
// GUILayout.BeginHorizontal();
// GUILayout.Label("Song Duration: " + TimeToString(music.length));
// myScript.bpm = EditorGUILayout.IntField("Song BPM: ", myScript.bpm);
// GUILayout.EndHorizontal();
//
// int startBar = (int)(loopStart / (60f / (float)myScript.bpm));
// startBar = EditorGUILayout.IntField("Starting Bar:", startBar);
//
// int endBar = (int)(loopEnd / (60f / (float)myScript.bpm));
// endBar = EditorGUILayout.IntField("Ending Bar:", endBar);
//
// loopStart = startBar * 60f / myScript.bpm;
// loopEnd = endBar * 60f / myScript.bpm;
// break;
}
GUIContent buttonText = new GUIContent("Reset Loop Points", "Click to set loop points to the start and end of the track.");
if (GUILayout.Button(buttonText))
{
loopStart = 0;
loopEnd = music.length;
}
if (myScript.loopStart != loopStart || myScript.loopEnd != loopEnd)
{
Undo.RecordObject(myScript, "Modified loop point properties");
myScript.loopStart = Mathf.Clamp(loopStart, 0, music.length);
myScript.loopEnd = Mathf.Clamp(loopEnd, 0, Mathf.Ceil(music.length));
EditorUtility.SetDirty(myScript);
}
}
serializedObject.ApplyModifiedProperties();
}
}
