/*
* JAIV1 Oscillator Format
* 0x00 - byte mode
* 0x01 - byte[3] unknown
* 0x04 - float rate
* 0x08 - int32 attackVectorOffset
* 0x0C - int32 releaseVectorOffset
* 0x10 - float width
* 0x14 - float vertex
*/
public JOscillator loadOscillator(BeBinaryReader binStream, int Base)
{
var Osc = new JOscillator(); // Create new oscillator
var target = binStream.ReadByte(); // load target -- what is it affecting?
binStream.BaseStream.Seek(3, SeekOrigin.Current); // read 3 bytes?
Osc.rate = binStream.ReadSingle(); // Read the rate at which the oscillator progresses -- this will be relative to the number of ticks per beat.
var attackSustainTableOffset = binStream.ReadInt32(); // Offset of AD table
var releaseDecayTableOffset = binStream.ReadInt32(); // Offset of SR table
Osc.Width = binStream.ReadSingle(); // We should load these next, this is the width, ergo the value of the oscillator at 32768.
Osc.Vertex = binStream.ReadSingle(); // This is the vertex, the oscillator will always cross this point.
// To determine the value of an oscillator, it's Vertex + Width*(value/32768) -- each vector should progress the value, depending on the mode.
if (attackSustainTableOffset > 0) // first is AS table
{
binStream.BaseStream.Position = attackSustainTableOffset + Base; // Seek to the vector table
Osc.envelopes[0] = readEnvelope(binStream, Base); // Load the table
}
if (releaseDecayTableOffset > 0) // Next is RD table
{
binStream.BaseStream.Position = releaseDecayTableOffset + Base; // Seek to the vector and load it
Osc.envelopes[1] = readEnvelope(binStream, Base); // loadddd
}
Osc.target = (JOscillatorTarget)target;
return(Osc);
}
/*
* JAIV2 Oscillator Structure
* 0x00 - int32 0x4F736369 'Osci'
* 0x04 - byte mode
* 0x05 - byte[3] unknown
* 0x08 - float rate
* 0x0c - int32 attackVectorOffset (RELATIVE TO ENVT + 0x08)
* 0x10 - int32 releaseVectorOffset (RELATIVE TO ENVT + 0x08)
* 0x14 - float width
* 0x18 - float vertex
*/
/* NOTE THAT THESE OSCILLATORS HAVE THE SAME FORMAT AS JAIV1, HOWEVER THE VECTORS ARE IN THE ENVT */
public JOscillator loadOscillator(BeBinaryReader binStream, int EnvTableBase)
{
var Osc = new JOscillator(); // Create new oscillator
if (binStream.ReadInt32() != Osci) // Read first 4 bytes
{
throw new InvalidDataException("Oscillator format is invalid. " + binStream.BaseStream.Position);
}
var target = binStream.ReadByte(); // load target -- what is it affecting?
binStream.BaseStream.Seek(3, SeekOrigin.Current); // read 3 bytes?
Osc.rate = binStream.ReadSingle(); // Read the rate at which the oscillator progresses -- this will be relative to the number of ticks per beat.
var attackSustainTableOffset = binStream.ReadInt32(); // Offset of AD table
var releaseDecayTableOffset = binStream.ReadInt32(); // Offset of SR table
Osc.Width = binStream.ReadSingle(); // We should load these next, this is the width, ergo the value of the oscillator at 32768.
Osc.Vertex = binStream.ReadSingle(); // This is the vertex, the oscillator will always cross this point.
// To determine the value of an oscillator, it's Vertex + Width*(value/32768) -- each vector should progress the value, depending on the mode.
// We need to add + 8 to the offsets, because the pointers are the offset based on where the data starts, not the section
if (attackSustainTableOffset > 0) // first is AS table
{
binStream.BaseStream.Position = attackSustainTableOffset + EnvTableBase + 8; // Seek to the vector table
Osc.envelopes[0] = readEnvelope(binStream, EnvTableBase + 8); // Load the table
}
if (releaseDecayTableOffset > 0) // Next is RD table
{
binStream.BaseStream.Position = releaseDecayTableOffset + EnvTableBase + 8; // Seek to the vector and load it
Osc.envelopes[1] = readEnvelope(binStream, EnvTableBase + 8); // loadddd
}
Osc.target = OscillatorTargetConversionLUT[target];
return(Osc);
}
public void setOcillator(JOscillator osc)
{
instOsc = osc;
}
