private void loadIBNKJaiV2(BeBinaryReader instReader)
{
long anchor = 0;
var BaseAddress = instReader.BaseStream.Position;
var current_header = instReader.ReadUInt32();
if (current_header != 0x49424e4b) // Check to see if it equals IBNK
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("0x{0:X}", BaseAddress);
throw new InvalidDataException("Scanned header is not an IBNK.");
}
var IBNKSize = instReader.ReadUInt32();
id = instReader.ReadInt32();
var flags = instReader.ReadUInt32(); // usually 1, determines if the bank is melodic or used for sound effects. Usually the bank is melodic.
instReader.BaseStream.Seek(0x10, SeekOrigin.Current); // Skip 16 bytes, always 0x00, please document if wrong.
var i = 0;
while (true)
{
anchor = instReader.BaseStream.Position; // Store current section base.
i++;
// Console.WriteLine("Iteration {0} 0x{1:X}", i,anchor);
current_header = instReader.ReadUInt32();
// Console.WriteLine("GOT HD {0:X}", current_header);
if (current_header == 0x00)
{
break; // End of section.
}
else if (current_header < 0xFFFF) // Read below for explanation
{
// I've noticed VERY RARELY, that the section pointer is wrong by two bytes. This sucks. So we check if it's less than two full bytes.
// If it is, we seek back 2 bytes then read again, and our alignment is fixed :).
// of course, this comes after our check to see if it's 0, which indicates end of section
instReader.BaseStream.Seek(-2, SeekOrigin.Current);
Console.WriteLine("[!] Misalignment detected in IBNK, new position 0x{0:X}", instReader.BaseStream.Position);
anchor = instReader.BaseStream.Position; // 3/14/2019, i forgot this. It's S M R T to update your read base.
current_header = instReader.ReadUInt32();
Console.WriteLine("New header {0:X}", current_header);
}
var next_section = ReadJARCSizePointer(instReader); // if that works, go ahead and grab the 'pointer' to the next section.
if (current_header < 0xFFFF)
{
Console.WriteLine("Corrupt IBNK 0x{0:X}", BaseAddress);
break;
}
switch (current_header)
{
case 0x4F534354: // OSCT
case 0x52414E44: // RAND
case 0x454E5654: // EVNT
case 0x53454E53: // SENS
instReader.BaseStream.Position = anchor + next_section; // Skip section.
break;
case INST:
{
var NewINST = new Instrument();
var InstCount = instReader.ReadInt32();
NewINST.Keys = new InstrumentKey[0xF0];
for (int instid = 0; instid < InstCount; instid++)
{
current_header = instReader.ReadUInt32();
var iebase = instReader.BaseStream.Position;
if (current_header != Inst)
{
break; // F**K.
}
NewINST.oscillator = instReader.ReadInt32();
NewINST.id = instReader.ReadInt32();
instReader.ReadInt32(); // cant figure out what these are.
var keyCounts = instReader.ReadInt32(); // How many key regions are in here.
int KeyHigh = 0;
int KeyLow = 0;
for (int k = 0; k < keyCounts; k++)
{
var NewKey = new InstrumentKey();
NewKey.keys = new InstrumentKeyVelocity[0x81];
byte key = instReader.ReadByte(); // Read the key identifierr
KeyHigh = key; // Set the highest key to what we just read.
instReader.BaseStream.Seek(3, SeekOrigin.Current); // 3 bytes, unused.
var VelocityRegionCount = instReader.ReadInt32(); // read the number of entries in the velocity region array\
if (VelocityRegionCount > 0x7F)
{
Console.WriteLine("Alignment is f****d, IBNK load aborted.");
Console.WriteLine("E: VelocityRegionCount is too thicc. {0} > 128", VelocityRegionCount);
Console.WriteLine("IBASE: 0x{0:X} + 0x{1:X} ({2:X})", anchor, iebase - anchor, (instReader.BaseStream.Position - anchor) - (iebase - anchor));
return;
}
for (int b = 0; b < VelocityRegionCount; b++)
{
var NewVelR = new InstrumentKeyVelocity();
int VelLow = 0;
int VelHigh = 0;
{
var velocity = instReader.ReadByte(); // The velocity of this key.
VelHigh = velocity;
instReader.BaseStream.Seek(3, SeekOrigin.Current); // Unused.
NewVelR.velocity = velocity;
NewVelR.wave = instReader.ReadUInt16(); // This will be the ID of the wave inside of that wavesystem
NewVelR.wsysid = instReader.ReadUInt16(); // This will be the ID of the WAVESYSTEM that its in
NewVelR.Volume = instReader.ReadSingle(); // Finetune, volume, float
NewVelR.Pitch = instReader.ReadSingle(); // finetune pitch, float.
for (int idx = 0; idx < (VelHigh - VelLow); idx++) // See below for what this is doing
{
NewKey.keys[(VelLow + idx)] = NewVelR;
NewKey.keys[127] = NewVelR;
}
VelLow = VelHigh;
}
}
for (int idx = 0; idx < (KeyHigh - KeyLow); idx++) // The keys are gappy.
{
NewINST.Keys[(KeyLow + idx)] = NewKey; // So we want to interpolate the previous keys across the empty ones, so that way it's a region
NewINST.Keys[127] = NewKey;
}
KeyLow = KeyHigh; // Set our new lowest key to the previous highest
}
}
instReader.BaseStream.Position = anchor + next_section; // SAFETY.
break;
}
case PERC:
instReader.BaseStream.Position = anchor + next_section;
break;
case 0x4C495354: // LIST
instReader.BaseStream.Position = anchor + next_section; // Skip section
// Explanation: This is just a set of pointers relative to BaseAddress for the instruments, nothing special because we're
// already parsing them above.
break;
default:
instReader.BaseStream.Position = anchor + next_section; // Skip section.
break;
}
}
}
private void loadIBNKJaiV1(BeBinaryReader instReader)
{
long anchor = 0;
var BaseAddress = instReader.BaseStream.Position;
var current_header = 0u;
current_header = instReader.ReadUInt32(); // read the first 4 byteas
if (current_header != 0x49424e4b) // Check to see if it equals IBNK
{
throw new InvalidDataException("Scanned header is not an IBNK.");
}
var size = instReader.ReadUInt32();
id = instReader.ReadInt32(); // Global virtual ID
instReader.BaseStream.Seek(0x14, SeekOrigin.Current); // 0x14 bytes always blank
current_header = instReader.ReadUInt32(); // We should be reading "BANK"
for (int inst_id = 0; inst_id < 0xF0; inst_id++)
{
var inst_offset = instReader.ReadInt32(); // Read the relative pointer to the instrument
anchor = instReader.BaseStream.Position; // store the position to jump back into.
if (inst_offset > 0) // If we have a 0 offset, then the instrument is unassigned.
{
instReader.BaseStream.Position = BaseAddress + inst_offset; // Seek to the offset of the instrument.
current_header = instReader.ReadUInt32(); // Read the 4 byte identity of the instrument.
var NewINST = new Instrument();
NewINST.Keys = new InstrumentKey[0xF0];
switch (current_header)
{
case INST:
{
instReader.ReadUInt32(); // The first 4 bytes following an instrument is always 0, for some reason. Maybe reserved.
NewINST.Pitch = instReader.ReadSingle(); // 4 byte float pitch
NewINST.Volume = instReader.ReadSingle(); // 4 byte float volume
/* Lots of skipping, i havent added these yet, but i'll comment what they are. */
var poscioffs = instReader.ReadUInt32(); // offset to first oscillator table
var poscicnt = instReader.ReadUInt32(); // Offset to second oscillator count
// Console.WriteLine("Oscillator at 0x{0:X}, length {1}", poscioffs, poscicnt);
//Console.ReadLine();
instReader.ReadUInt32(); // Offset to first effect object
instReader.ReadUInt32(); // offset to second effect object
instReader.ReadUInt32(); // offset of first sensor object
instReader.ReadUInt32(); // offset of second sensor object
/*////////////////////////////////////////////////////////////////////////////*/
var keyCounts = instReader.ReadInt32(); // How many key regions are in here.
int KeyHigh = 0;
int KeyLow = 0;
for (int k = 0; k < keyCounts; k++)
{
var NewKey = new InstrumentKey();
NewKey.keys = new InstrumentKeyVelocity[0x81];
var keyreg_offset = instReader.ReadInt32(); // This will be where the data for our key region is.
var keyptr_return = instReader.BaseStream.Position; // This is our position after reading the pointer, we'll need to return to it
instReader.BaseStream.Position = BaseAddress + keyreg_offset; // Seek to the key region
byte key = instReader.ReadByte(); // Read the key identifierr
KeyHigh = key; // Set the highest key to what we just read.
instReader.BaseStream.Seek(3, SeekOrigin.Current); // 3 bytes, unused.
var VelocityRegionCount = instReader.ReadInt32(); // read the number of entries in the velocity region array
for (int b = 0; b < VelocityRegionCount; b++)
{
var NewVelR = new InstrumentKeyVelocity();
var velreg_offs = instReader.ReadInt32(); // read the offset of the velocity region
var velreg_retn = instReader.BaseStream.Position; // another one of these. Return pointer
instReader.BaseStream.Position = velreg_offs + BaseAddress;
int VelLow = 0;
int VelHigh = 0;
{
var velocity = instReader.ReadByte(); // The velocity of this key.
VelHigh = velocity;
instReader.BaseStream.Seek(3, SeekOrigin.Current); // Unused.
NewVelR.velocity = velocity;
NewVelR.wsysid = instReader.ReadUInt16(); // This will be the ID of the WAVESYSTEM that its in
NewVelR.wave = instReader.ReadUInt16(); // This will be the ID of the wave inside of that wavesystem
NewVelR.Volume = instReader.ReadSingle(); // Finetune, volume, float
NewVelR.Pitch = instReader.ReadSingle(); // finetune pitch, float.
for (int idx = 0; idx < ((1 + VelHigh) - VelLow); idx++) // See below for what this is doing
{
NewKey.keys[(VelLow + idx)] = NewVelR;
NewKey.keys[127] = NewVelR;
}
VelLow = VelHigh;
}
instReader.BaseStream.Position = velreg_retn; // return to our pointer position [THIS IS BELOW]
}
for (int idx = 0; idx < (KeyHigh - KeyLow); idx++) // The keys are gappy.
{
NewINST.Keys[(KeyLow + idx)] = NewKey; // So we want to interpolate the previous keys across the empty ones, so that way it's a region
NewINST.Keys[127] = NewKey;
}
KeyLow = KeyHigh; // Set our new lowest key to the previous highest
instReader.BaseStream.Position = keyptr_return; // return to our last pointer position
}
break;
}
case PER2:
{
NewINST.IsPercussion = true;
instReader.BaseStream.Seek(0x84, SeekOrigin.Current); // 0x88 - 4 (PERC)
for (int per = 0; per < 100; per++)
{
var NewKey = new InstrumentKey();
NewKey.keys = new InstrumentKeyVelocity[0x81];
var keyreg_offset = instReader.ReadInt32(); // This will be where the data for our key region is.
var keyptr_return = instReader.BaseStream.Position; // This is our position after reading the pointer, we'll need to return to it
if (keyreg_offset == 0)
{
continue; // Skip, its empty.
}
instReader.BaseStream.Position = BaseAddress + keyreg_offset; // seek to position.
NewINST.Pitch = instReader.ReadSingle();
NewINST.Volume = instReader.ReadSingle();
instReader.BaseStream.Seek(8, SeekOrigin.Current);
var VelocityRegionCount = instReader.ReadInt32(); // read the number of entries in the velocity region array
for (int b = 0; b < VelocityRegionCount; b++)
{
var NewVelR = new InstrumentKeyVelocity();
var velreg_offs = instReader.ReadInt32(); // read the offset of the velocity region
var velreg_retn = instReader.BaseStream.Position; // another one of these. Return pointer
instReader.BaseStream.Position = velreg_offs + BaseAddress;
int VelLow = 0;
int VelHigh = 0;
{
var velocity = instReader.ReadByte(); // The velocity of this key.
VelHigh = velocity;
instReader.BaseStream.Seek(3, SeekOrigin.Current); // Unused.
NewVelR.velocity = velocity;
NewVelR.wsysid = instReader.ReadUInt16(); // This will be the ID of the WAVESYSTEM that its in
NewVelR.wave = instReader.ReadUInt16(); // This will be the ID of the wave inside of that wavesystem
NewVelR.Volume = instReader.ReadSingle(); // Finetune, volume, float
NewVelR.Pitch = instReader.ReadSingle(); // finetune pitch, float.
for (int idx = 0; idx < (VelHigh - (VelLow)); idx++) // See below for what this is doing
{
NewKey.keys[(VelLow + (idx))] = NewVelR;
NewKey.keys[127] = NewVelR;
}
VelLow = VelHigh;
}
instReader.BaseStream.Position = velreg_retn; // return to our pointer position [THIS IS BELOW]
}
instReader.BaseStream.Position = keyptr_return;
NewINST.Keys[per] = NewKey; // oops, add to instrument data or else it doesnt load x.x
NewINST.Keys[127] = NewKey;
}
break;
}
case PERC:
break;
}
Instruments[inst_id] = NewINST; // Store it in the instruments bank
}
instReader.BaseStream.Position = anchor; // return back to our original pos to read the next pointer
}
}
