public DescriptorList(StreamReader reader)
{
List<EnvelopeDescriptor> envList = new List<EnvelopeDescriptor>();
List<FilterDescriptor> fltrList = new List<FilterDescriptor>();
List<LfoDescriptor> lfoList = new List<LfoDescriptor>();
List<GeneratorDescriptor> genList = new List<GeneratorDescriptor>();
List<CustomDescriptor> cList = new List<CustomDescriptor>();
List<string> descList = new List<string>();
while (!reader.EndOfStream)
{
string tag = ReadNextTag(reader, descList);
switch (tag)
{
case "envelope":
{
EnvelopeDescriptor env = new EnvelopeDescriptor();
env.Read(descList.ToArray());
envList.Add(env);
break;
}
case "generator":
{
GeneratorDescriptor gen = new GeneratorDescriptor();
gen.Read(descList.ToArray());
genList.Add(gen);
break;
}
case "filter":
{
FilterDescriptor fltr = new FilterDescriptor();
fltr.Read(descList.ToArray());
fltrList.Add(fltr);
break;
}
case "lfo":
{
LfoDescriptor lfo = new LfoDescriptor();
lfo.Read(descList.ToArray());
lfoList.Add(lfo);
break;
}
default:
if (!tag.Equals(string.Empty))
{
CustomDescriptor cus = new CustomDescriptor(tag, 0);
cus.Read(descList.ToArray());
cList.Add(cus);
}
break;
}
descList.Clear();
}
EnvelopeDescriptions = envList.ToArray();
FilterDescriptions = fltrList.ToArray();
LfoDescriptions = lfoList.ToArray();
GenDescriptions = genList.ToArray();
CustomDescriptions = cList.ToArray();
}
//--Methods
public WhiteNoiseGenerator(GeneratorDescriptor description)
: base(description)
{
if(end < 0)
end = 1;
if (start < 0)
start = 0;
if (loopEnd < 0)
loopEnd = end;
if (loopStart < 0)
loopStart = start;
if (genPeriod < 0)
genPeriod = 1;
if (root < 0)
root = 69;
freq = 440;
}
//--Methods
public SineGenerator(GeneratorDescriptor description)
: base(description)
{
if (end < 0)
end = Synthesizer.TwoPi;
if (start < 0)
start = 0;
if (loopEnd < 0)
loopEnd = end;
if (loopStart < 0)
loopStart = start;
if (genPeriod < 0)
genPeriod = Synthesizer.TwoPi;
if (root < 0)
root = 69;
freq = 440;
}
public SampleGenerator(GeneratorDescriptor description, AssetManager assets)
: base(description)
{
SampleDataAsset sample = assets.FindSample(IOHelper.GetFileNameWithoutExtension(description.AssetName));
if (sample == null)
throw new Exception("Could not find asset: (" + description.AssetName + ").");
data = sample.SampleData;
freq = sample.SampleRate;
if (end < 0)
end = sample.End;
if (start < 0)
start = sample.Start;
if (loopEnd < 0)
{
if (sample.LoopEnd < 0)
loopEnd = end;
else
loopEnd = sample.LoopEnd;
}
if (loopStart < 0)
{
if (sample.LoopStart < 0)
loopStart = start;
else
loopStart = sample.LoopStart;
}
if (genPeriod < 0)
genPeriod = 1;
if (root < 0)
{
root = sample.RootKey;
if (tuneCents == 0)
tuneCents = sample.Tune;
}
//check sample end and loop end for consistency
if (end > data.Length)
end = data.Length;
if (loopEnd > end)
loopEnd = end;
}
public DescriptorList(BinaryReader reader)
{
List<EnvelopeDescriptor> envList = new List<EnvelopeDescriptor>();
List<FilterDescriptor> fltrList = new List<FilterDescriptor>();
List<LfoDescriptor> lfoList = new List<LfoDescriptor>();
List<GeneratorDescriptor> genList = new List<GeneratorDescriptor>();
List<CustomDescriptor> cList = new List<CustomDescriptor>();
int count = reader.ReadInt16();
for (int x = 0; x < count; x++)
{
string id = new string(IOHelper.Read8BitChars(reader, 4));
int size = reader.ReadInt32();
switch (id.ToLower())
{
case EnvelopeDescriptor.ID:
{
EnvelopeDescriptor env = new EnvelopeDescriptor();
env.Read(reader);
envList.Add(env);
break;
}
case GeneratorDescriptor.ID:
{
GeneratorDescriptor gen = new GeneratorDescriptor();
gen.Read(reader);
genList.Add(gen);
break;
}
case FilterDescriptor.ID:
{
FilterDescriptor fltr = new FilterDescriptor();
fltr.Read(reader);
fltrList.Add(fltr);
break;
}
case LfoDescriptor.ID:
{
LfoDescriptor lfo = new LfoDescriptor();
lfo.Read(reader);
lfoList.Add(lfo);
break;
}
default:
{
CustomDescriptor cus = new CustomDescriptor(id, size);
cus.Read(reader);
cList.Add(cus);
break;
}
}
}
EnvelopeDescriptions = envList.ToArray();
FilterDescriptions = fltrList.ToArray();
LfoDescriptions = lfoList.ToArray();
GenDescriptions = genList.ToArray();
CustomDescriptions = cList.ToArray();
}
private void LoadSfzGens(SfzRegion region)
{
GenDescriptions = new GeneratorDescriptor[1];
GenDescriptions[0] = new GeneratorDescriptor();
GenDescriptions[0].SamplerType = Components.WaveformEnum.SampleData;
GenDescriptions[0].AssetName = region.sample;
//deal with end point
if (region.end == -1) //-1 is silent region, so set end to 0 and let the generator figure it out later
GenDescriptions[0].EndPhase = 0;
else if (region.end == 0) //set end out of range and let the descriptor default it to the proper end value
GenDescriptions[0].EndPhase = -1;
else //add one to the value because its inclusive
GenDescriptions[0].EndPhase = region.end + 1;
GenDescriptions[0].KeyTrack = region.pitchKeyTrack;
//deal with loop end
if (region.loopEnd < 0)
GenDescriptions[0].LoopEndPhase = -1;
else
GenDescriptions[0].LoopEndPhase = region.loopEnd + 1;
GenDescriptions[0].LoopMethod = region.loopMode;
if (region.loopStart < 0)
GenDescriptions[0].LoopStartPhase = -1;
else
GenDescriptions[0].LoopStartPhase = region.loopStart;
GenDescriptions[0].Offset = region.offset;
GenDescriptions[0].Rootkey = region.pitchKeyCenter;
GenDescriptions[0].Tune = (short)(region.tune + region.transpose * 100);
GenDescriptions[0].VelTrack = region.pitchVelTrack;
}
//--Methods
public Generator(GeneratorDescriptor description)
{
loopMethod = description.LoopMethod;
loopStart = description.LoopStartPhase;
loopEnd = description.LoopEndPhase;
start = description.StartPhase;
end = description.EndPhase;
startOffset = description.Offset;
genPeriod = description.Period;
root = description.Rootkey;
noteTrack = description.KeyTrack;
velTrack = description.VelTrack;
tuneCents = description.Tune;
}
