public static void MergeGroupAndRegion(MidiAsset group, MidiAsset midiAsset)
{
if (group == null || midiAsset == null)
{
return;
}
var type = group.GetType();
var fields = type.GetFields();
foreach (var field in fields)
{
if (field.FieldType == typeof(float))
{
float newValue = (float)field.GetValue(group);
if (newValue == -1)
{
continue;
}
field.SetValue(midiAsset, newValue);
}
else if (field.FieldType == typeof(int))
{
int newValue = (int)field.GetValue(group);
if (newValue == -1)
{
continue;
}
field.SetValue(midiAsset, newValue);
}
else if (field.FieldType == typeof(string))
{
string newValue = (string)field.GetValue(group);
if (string.IsNullOrEmpty(newValue))
{
continue;
}
field.SetValue(midiAsset, newValue);
}
else if (field.FieldType == typeof(AudioClip))
{
// we don't parse these here, handled later.
continue;
}
else
{
Debug.LogError("UNHANDLED");
return;
}
}
}
// http://www.sfzformat.com/legacy/
public static List <MidiAsset> Parse(string assetPath)
{
StreamReader reader = new StreamReader(assetPath);
MidiAsset currentGroup = null;
MidiAsset currentMidiAsset = null;
bool isEditingGroup = false;
List <MidiAsset> regions = new List <MidiAsset>();
while (!reader.EndOfStream)
{
string nextLine = reader.ReadLine();
nextLine.Trim();
if (string.IsNullOrEmpty(nextLine))
{
// blank.
continue;
}
if (nextLine.Substring(0, 2) == "//")
{
// comment.
continue;
}
if (nextLine == "<group>")
{
// starting a new group definition. Groups are "defaults" for all following regions.
currentGroup = ScriptableObject.CreateInstance <MidiAsset>();
isEditingGroup = true;
continue;
}
if (nextLine == "<region>")
{
// region is a new "note" or play thing
if (currentMidiAsset != null)
{
regions.Add(currentMidiAsset);
}
currentMidiAsset = ScriptableObject.CreateInstance <MidiAsset>();
MergeGroupAndRegion(currentGroup, currentMidiAsset);
isEditingGroup = false;
continue;
}
MidiAsset currentTarget = currentMidiAsset;
if (isEditingGroup)
{
currentTarget = currentGroup;
}
if (currentTarget == null)
{
Debug.LogError("Can't continue without target being defined; " + nextLine);
return(null);
}
if (!nextLine.Contains("="))
{
Debug.LogError("Can't parse value without =; " + nextLine);
return(null);
}
string[] split = nextLine.Split('=');
string key = split[0];
string value = split[1];
var field = currentTarget.GetType().GetField(key);
if (field == null)
{
Debug.LogError("Can't find field: `" + key + "`");
return(null);
}
else
{
if (field.FieldType == typeof(float))
{
float newValue = float.Parse(value);
field.SetValue(currentTarget, newValue);
}
else if (field.FieldType == typeof(int))
{
field.SetValue(currentTarget, ConvertStringToInt(value));
}
else if (field.FieldType == typeof(string))
{
field.SetValue(currentTarget, value);
}
else
{
Debug.LogError("UNHANDLED BIT: " + nextLine);
return(null);
}
continue;
}
}
if (currentMidiAsset != null)
{
regions.Add(currentMidiAsset);
}
return(regions);
}