private static AudioSubItem[] _ChooseSubItems(AudioItem audioItem, AudioPickSubItemMode pickMode, AudioObject useExistingAudioObj)
{
if (audioItem.SubItems == null)
{
return(null);
}
var length = audioItem.SubItems.Length;
if (length == 0)
{
return(null);
}
var index1 = 0;
var flag = useExistingAudioObj != null;
var lastChosen = !flag ? audioItem.LastChosen : useExistingAudioObj.LastChosenSubItemIndex;
if (length > 1)
{
switch (pickMode)
{
case AudioPickSubItemMode.Disabled:
return(null);
case AudioPickSubItemMode.Random:
index1 = _ChooseRandomSubitem(audioItem, true, lastChosen);
break;
case AudioPickSubItemMode.RandomNotSameTwice:
index1 = _ChooseRandomSubitem(audioItem, false, lastChosen);
break;
case AudioPickSubItemMode.Sequence:
index1 = (lastChosen + 1) % length;
break;
case AudioPickSubItemMode.SequenceWithRandomStart:
index1 = lastChosen != -1 ? (lastChosen + 1) % length : Random.Range(0, length);
break;
case AudioPickSubItemMode.AllSimultaneously:
var audioSubItemArray = new AudioSubItem[length];
for (var index2 = 0; index2 < length; ++index2)
{
audioSubItemArray[index2] = audioItem.SubItems[index2];
}
return(audioSubItemArray);
case AudioPickSubItemMode.TwoSimultaneously:
return(new[]
{
_ChooseSingleSubItem(audioItem, AudioPickSubItemMode.RandomNotSameTwice, useExistingAudioObj),
_ChooseSingleSubItem(audioItem, AudioPickSubItemMode.RandomNotSameTwice, useExistingAudioObj)
});
case AudioPickSubItemMode.StartLoopSequenceWithFirst:
index1 = !flag ? 0 : (lastChosen + 1) % length;
break;
case AudioPickSubItemMode.RandomNotSameTwiceOddsEvens:
index1 = _ChooseRandomSubitem(audioItem, false, lastChosen, true);
break;
}
}
if (flag)
{
useExistingAudioObj.LastChosenSubItemIndex = index1;
}
else
{
audioItem.LastChosen = index1;
}
return(new[] { audioItem.SubItems[index1] });
}
public static AudioSubItem[] _ChooseSubItems(AudioItem audioItem, AudioObject useExistingAudioObj)
{
return(_ChooseSubItems(audioItem, audioItem.SubItemPickMode, useExistingAudioObj));
}
public static AudioSubItem _ChooseSingleSubItem(AudioItem audioItem, AudioPickSubItemMode pickMode, AudioObject useExistingAudioObj)
{
return(_ChooseSubItems(audioItem, pickMode, useExistingAudioObj)[0]);
}