/// <summary>
/// Convert the bank to downloadable sounds.
/// </summary>
/// <param name="a">The sound archive.</param>
/// <param name="b">The bank info.</param>
/// <returns>The bank as DLS.</returns>
public DownloadableSounds ToDLS(SoundArchive a, BankInfo b)
{
//New DLS.
DownloadableSounds d = new DownloadableSounds();
//Wave map.
Dictionary <uint, RiffWave> waveMap = new Dictionary <uint, RiffWave>();
Dictionary <ushort, RiffWave> psgMap = new Dictionary <ushort, RiffWave>();
Dictionary <ushort, RiffWave> noiseMap = new Dictionary <ushort, RiffWave>();
d.Waves.Add(new RiffWave("Hardware/Null.wav"));
//Add each instrument.
foreach (var inst in Instruments)
{
//New instrument.
GotaSoundBank.DLS.Instrument im = new GotaSoundBank.DLS.Instrument();
im.BankId = (uint)(inst.Index / 128);
im.InstrumentId = (uint)(inst.Index % 128);
im.Name = "Instrument " + im.InstrumentId;
//Add regions.
byte lastNote = inst as DrumSetInstrument != null ? (inst as DrumSetInstrument).Min : (byte)0;
foreach (var n in inst.NoteInfo)
{
//New region.
Region r = new Region();
//Set note info.
r.VelocityLow = 0;
r.VelocityHigh = 127;
r.NoteLow = lastNote;
r.NoteHigh = (inst as DirectInstrument != null) ? (byte)127 : (byte)n.Key;
lastNote = (byte)(n.Key + 1);
r.ChannelFlags = 1;
r.DoublePlayback = true;
r.Layer = 1;
r.NoTruncation = true;
r.RootNote = (byte)n.BaseNote;
//Wave data.
int wavInd = 0;
switch (n.InstrumentType)
{
case InstrumentType.PCM:
uint key = 0xFFFFFFFF;
try {
var p = b.WaveArchives[n.WarId].File.Waves[n.WaveId];
key = (uint)(b.WaveArchives[n.WarId].Index << 16) | n.WaveId;
} catch { }
if (key != 0xFFFFFFFF)
{
if (!waveMap.ContainsKey(key))
{
RiffWave pcm = new RiffWave();
pcm.FromOtherStreamFile(b.WaveArchives[n.WarId].File.Waves[n.WaveId]);
waveMap.Add(key, pcm);
d.Waves.Add(pcm);
}
wavInd = d.Waves.IndexOf(waveMap[key]);
}
break;
case InstrumentType.PSG:
if (!psgMap.ContainsKey(n.WaveId))
{
RiffWave psg = new RiffWave("Hardware/DutyCycle" + (n.WaveId + 1) + ".wav");
psgMap.Add(n.WaveId, psg);
d.Waves.Add(psg);
}
wavInd = d.Waves.IndexOf(psgMap[n.WaveId]);
break;
case InstrumentType.Noise:
if (!noiseMap.ContainsKey(0))
{
RiffWave noise = new RiffWave("Hardware/WhiteNoise.wav");
noiseMap.Add(0, noise);
d.Waves.Add(noise);
wavInd = d.Waves.IndexOf(noise);
}
else
{
wavInd = d.Waves.IndexOf(noiseMap[0]);
}
break;
}
//Set wave data.
r.WaveId = (uint)wavInd;
r.Loops = d.Waves[wavInd].Loops;
if (r.Loops)
{
r.LoopStart = d.Waves[wavInd].LoopStart;
r.LoopLength = d.Waves[wavInd].LoopEnd - d.Waves[wavInd].LoopStart;
if (r.LoopLength < 0)
{
r.LoopLength = 0;
}
}
//Articulator.
Articulator ar = new Articulator();
ar.Connections.Add(new Connection()
{
DestinationConnection = DestinationConnection.EG1AttackTime, Scale = n.Attack >= 127 ? int.MinValue : MillisecondsToTimecents(AttackTable[n.Attack]) * 65536
});
ar.Connections.Add(new Connection()
{
DestinationConnection = DestinationConnection.EG1DecayTime, Scale = n.Decay >= 127 ? int.MinValue : MillisecondsToTimecents(MaxReleaseTimes[n.Decay]) * 65536
});
ar.Connections.Add(new Connection()
{
DestinationConnection = DestinationConnection.EG1SustainLevel, Scale = (int)Math.Round(Sustain2Fraction(n.Sustain) * 1000, MidpointRounding.AwayFromZero) * 65536
});
ar.Connections.Add(new Connection()
{
DestinationConnection = DestinationConnection.EG1ReleaseTime, Scale = n.Release >= 127 ? int.MinValue : MillisecondsToTimecents(MaxReleaseTimes[n.Release]) * 65536
});
ar.Connections.Add(new Connection()
{
DestinationConnection = DestinationConnection.Pan, Scale = GetPan(n.Pan) * 65536
});
r.Articulators.Add(ar);
//Add region.
im.Regions.Add(r);
}
//Add the instrument.
d.Instruments.Add(im);
}
//Return the DLS.
return(d);
}
/// <summary>
/// Create a sound font from a downloadable sounds file.
/// </summary>
/// <param name="dls">A DLS file.</param>
public SoundFont(DownloadableSounds dls)
{
//Get samples.
Dictionary <int, int> waveLink;
dls.AssignLoops();
CreateSampleTable(dls.Waves, out waveLink);
//Get instruments.
foreach (var i in dls.Instruments)
{
Instrument inst = new Instrument();
inst.Name = i.Name;
foreach (var r in i.Regions)
{
//New zone.
Zone z = new Zone();
//Key range.
if (r.NoteHigh != 127 || r.NoteLow != 0)
{
z.Generators.Add(new Generator()
{
Gen = SF2Generators.KeyRange, Amount = new SF2GeneratorAmount()
{
LowByte = (byte)r.NoteLow, HighByte = (byte)r.NoteHigh
}
});
}
//Velocity range.
if (r.VelocityHigh != 127 || r.VelocityLow != 0)
{
z.Generators.Add(new Generator()
{
Gen = SF2Generators.VelRange, Amount = new SF2GeneratorAmount()
{
LowByte = (byte)r.VelocityLow, HighByte = (byte)r.VelocityHigh
}
});
}
//Root key.
z.Generators.Add(new Generator()
{
Gen = SF2Generators.OverridingRootKey, Amount = new SF2GeneratorAmount()
{
UAmount = r.RootNote
}
});
//Pitch correction.
Samples[waveLink[(int)r.WaveId]].PitchCorrection = (sbyte)(r.Tuning / 65536);
//Sample Id.
z.Generators.Add(new Generator()
{
Gen = SF2Generators.SampleID, Amount = new SF2GeneratorAmount()
{
UAmount = (ushort)waveLink[(int)r.WaveId]
}
});
if (dls.Waves[(int)r.WaveId].Loops)
{
z.Generators.Add(new Generator()
{
Gen = SF2Generators.SampleModes, Amount = new SF2GeneratorAmount()
{
Amount = 1
}
});
}
//Articulators.
foreach (var a in r.Articulators)
{
foreach (var c in a.Connections)
{
//Generator.
SF2Generators gen = (SF2Generators)100;
SF2GeneratorAmount amount = new SF2GeneratorAmount();
//Switch connection type.
switch (c.DestinationConnection)
{
case DestinationConnection.Chorus:
gen = SF2Generators.ChorusEffectsSend;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.EG1AttackTime:
gen = SF2Generators.AttackVolEnv;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.EG1DecayTime:
gen = SF2Generators.DecayVolEnv;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.EG1DelayTime:
gen = SF2Generators.DelayVolEnv;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.EG1HoldTime:
gen = SF2Generators.HoldVolEnv;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.EG1ReleaseTime:
gen = SF2Generators.ReleaseVolEnv;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.EG1SustainLevel:
gen = SF2Generators.SustainVolEnv;
amount.Amount = (short)((1 - c.Scale / 65536d / 1000) * 1000);
break;
case DestinationConnection.KeyNumber:
gen = SF2Generators.Keynum;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.Pan:
gen = SF2Generators.Pan;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.LFOFrequency:
gen = SF2Generators.FreqModLFO;
amount.Amount = (short)(c.Scale / 65536);
break;
case DestinationConnection.LFOStartDelayTime:
gen = SF2Generators.DelayModLFO;
amount.Amount = (short)(c.Scale / 65536);
break;
}
//Add generator.
if ((int)gen != 100)
{
z.Generators.Add(new Generator()
{
Gen = gen, Amount = amount
});
}
//Modulator used.
if (c.TransformConnection != TransformConnection.None)
{
//Nah, I'm lazy.
}
}
}
//Add zone.
inst.Zones.Add(z);
}
Instruments.Add(inst);
}
//Set presets.
ushort instNum = 0;
foreach (var i in dls.Instruments)
{
Presets.Add(new Preset()
{
Bank = (ushort)i.BankId, Name = i.Name, PresetNumber = (ushort)i.InstrumentId, Zones = new List <Zone>()
{
new Zone()
{
Generators = new List <Generator>()
{
new Generator()
{
Gen = SF2Generators.Instrument, Amount = new SF2GeneratorAmount()
{
UAmount = instNum++
}
}
}
}
}
});
}
}
