void PrepNote(AudioSource audioSource, Keyzone keyzone, int note, float velocity)
{
audioSource.pitch = Utils.MidiChangeToRatio(note - keyzone.rootKey);
audioSource.clip = keyzone.audioClip;
audioSource.outputAudioMixerGroup = keyzone.mixer;
audioSource.volume = Mathf.Lerp(1.0f - velocityTracking, 1.0f, velocity);
}
/// <summary>
/// Adds an empty keyzone to the Sampler.
/// </summary>
/// <returns>The keyzone created.</returns>
public Keyzone AddKeyzone()
{
Keyzone keyzone = new Keyzone();
keyzones.Add(keyzone);
return(keyzone);
}
/// <summary>
/// Removes a keyzone from the Sampler.
/// </summary>
/// <returns>The removed keyzones index. -1 if it doesnt exist.</returns>
/// <param name="keyzone">The keyzone to remove.</param>
public int RemoveKeyzone(Keyzone keyzone)
{
int index = keyzones.IndexOf(keyzone);
keyzones.Remove(keyzone);
return(index);
}
List <Keyzone> GetKeyzonesToPlay(List <Keyzone> validKeyzones)
{
if (keyzonePlayMode == KeyzonePlayMode.kAll || validKeyzones.Count == 0)
{
return(validKeyzones);
}
List <Keyzone> toPlay = new List <Keyzone>();
if (keyzonePlayMode == KeyzonePlayMode.kRoundRobin)
{
Keyzone oldest = validKeyzones[0];
double oldestTime = oldest.lastScheduled;
foreach (Keyzone keyzone in validKeyzones)
{
if (oldestTime > keyzone.lastScheduled)
{
oldest = keyzone;
oldestTime = keyzone.lastScheduled;
}
}
toPlay.Add(oldest);
}
else if (keyzonePlayMode == KeyzonePlayMode.kRandom)
{
int index = UnityEngine.Random.Range(0, validKeyzones.Count);
toPlay.Add(validKeyzones[index]);
}
return(toPlay);
}
void AddKeyzone(Sampler sampler, SerializedProperty keyzones)
{
Keyzone keyzone = sampler.AddKeyzone();
if (sampler.keyzones.Count >= 2)
{
Keyzone lastKeyzone = sampler.keyzones[sampler.keyzones.Count - 2];
int min = lastKeyzone.maxKey + 1;
int root = min + lastKeyzone.rootKey - lastKeyzone.minKey;
int max = min + lastKeyzone.maxKey - lastKeyzone.minKey;
if (max < Utils.kMidiSize && root < Utils.kMidiSize)
{
keyzone.minKey = min;
keyzone.maxKey = max;
keyzone.rootKey = root;
}
keyzone.mixer = lastKeyzone.mixer;
}
keyzones.arraySize++;
SerializedProperty newKeyzone = keyzones.GetArrayElementAtIndex(keyzones.arraySize - 1);
newKeyzone.FindPropertyRelative("audioClip").objectReferenceValue = keyzone.audioClip;
newKeyzone.FindPropertyRelative("rootKey").intValue = keyzone.rootKey;
newKeyzone.FindPropertyRelative("minKey").intValue = keyzone.minKey;
newKeyzone.FindPropertyRelative("maxKey").intValue = keyzone.maxKey;
newKeyzone.FindPropertyRelative("minVelocity").floatValue = keyzone.minVelocity;
newKeyzone.FindPropertyRelative("maxVelocity").floatValue = keyzone.maxVelocity;
}
void MouseDown(float key, int row, Sampler sampler)
{
currentKeyzone = null;
if (row < 0 || row >= sampler.keyzones.Count * 2)
{
return;
}
int keyzoneIndex = row / 2;
bool rootRow = row % 2 == 0;
if (keyzoneIndex < 0 || keyzoneIndex >= sampler.keyzones.Count)
{
return;
}
Keyzone keyzone = sampler.keyzones[keyzoneIndex];
if (rootRow)
{
if (keyzone.rootKey <= key + rootHandleKeyRadius && keyzone.rootKey + 1 >= key - rootHandleKeyRadius)
{
Undo.RecordObject(sampler, "Change Keyzone Root");
mouseMode = MouseMode.kDraggingRoot;
currentKeyzone = keyzone;
pressOffset = Mathf.FloorToInt(key) - keyzone.rootKey;
}
}
else if (keyzone.minKey <= key && keyzone.maxKey + 1 >= key)
{
currentKeyzone = keyzone;
int pixelsFromStart = (int)((key - keyzone.minKey) * keyWidth);
int pixelsFromEnd = (int)((keyzone.maxKey + 1 - key) * keyWidth);
if (pixelsFromStart <= resizeHandleWidth && pixelsFromStart < pixelsFromEnd)
{
Undo.RecordObject(sampler, "Change Keyzone Start Note");
mouseMode = MouseMode.kDraggingRangeStart;
}
else if (pixelsFromEnd <= resizeHandleWidth)
{
Undo.RecordObject(sampler, "Change Keyzone End Note");
mouseMode = MouseMode.kDraggingRangeEnd;
}
else
{
Undo.RecordObject(sampler, "Drag Keyzone Range");
mouseMode = MouseMode.kDraggingRange;
}
pressOffset = Mathf.FloorToInt(key) - currentKeyzone.minKey;
}
}
void MouseUp(float key, int row, Sampler sampler)
{
currentKeyzone = null;
}
void DrawClips(Sampler sampler, SerializedProperty keyzones)
{
int height = rowHeight / 2;
GUIStyle style = new GUIStyle(GUI.skin.button);
style.padding = new RectOffset(0, 0, 0, 0);
style.fontSize = height - 4;
int y = keyboardHeight;
Keyzone remove = null;
foreach (Keyzone keyzone in sampler.keyzones)
{
Rect buttonRect = new Rect(0, y, height, height);
Rect clipRect = new Rect(buttonRect.xMax, y, keyzoneWidth - velocityWidth - buttonRect.width, height);
Rect mixerRect = new Rect(buttonRect.xMax, y + height, keyzoneWidth - velocityWidth - buttonRect.width, height);
if (GUI.Button(buttonRect, "X", style))
{
remove = keyzone;
}
AudioClip clip = EditorGUI.ObjectField(clipRect, keyzone.audioClip, typeof(AudioClip), false)
as AudioClip;
AudioMixerGroup mixer = EditorGUI.ObjectField(mixerRect, keyzone.mixer, typeof(AudioMixerGroup), false)
as AudioMixerGroup;
Rect velocityMinRect = new Rect(clipRect.xMax, y, velocityWidth, height);
Rect velocityMaxRect = new Rect(mixerRect.xMax, y + height, velocityWidth, height);
float minVelocity = Mathf.Clamp(EditorGUI.FloatField(velocityMinRect, keyzone.minVelocity), 0.0f, 1.0f);
float maxVelocity = Mathf.Clamp(EditorGUI.FloatField(velocityMaxRect, keyzone.maxVelocity), 0.0f, 1.0f);
if (clip != keyzone.audioClip)
{
if (clip == null)
{
Undo.RecordObject(sampler, "Remove AudioClip from Keyzone");
}
else
{
Undo.RecordObject(sampler, "Change AudioClip in Keyzone");
}
keyzone.audioClip = clip;
}
if (mixer != keyzone.mixer)
{
if (mixer == null)
{
Undo.RecordObject(sampler, "Remove AudioMixerGroup from Keyzone");
}
else
{
Undo.RecordObject(sampler, "Change AudioMixerGroup in Keyzone");
}
keyzone.mixer = mixer;
}
if (minVelocity != keyzone.minVelocity)
{
Undo.RecordObject(sampler, "Change Keyzone Minimum Velocity");
keyzone.minVelocity = minVelocity;
}
if (maxVelocity != keyzone.maxVelocity)
{
Undo.RecordObject(sampler, "Change Keyzone Maximum Velocity");
keyzone.maxVelocity = maxVelocity;
}
y += rowHeight;
}
if (remove != null)
{
Undo.RecordObject(sampler, "Delete Keyzone");
int index = sampler.RemoveKeyzone(remove);
if (index >= 0)
{
keyzones.DeleteArrayElementAtIndex(index);
}
}
}