private void DecomposeSounds()
{
nbInstruments = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, 0x20, 4));
int indexSoundPtr = 0;
int soundLength = 0;
for (int i = 0; i < nbInstruments; i++)
{
Sound sound = new Sound();
sound.start = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, indexSoundPtr + 0x30, 4));
soundLength = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, indexSoundPtr + 0x34, 4));
//grab sound data
sound.rawData = CGeneric.GiveMeArray(waveTable, sound.start, soundLength);
sound.loop.offset = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, indexSoundPtr + 0x3C, 4));
sound.predictor.offset = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, indexSoundPtr + 0x40, 4));
//loop
if (sound.loop.offset != 0)
{
sound.loop.start = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, sound.loop.offset, 4));
sound.loop.end = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, sound.loop.offset + 4, 4));
sound.loop.count = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, sound.loop.offset + 8, 4));
sound.loop.state = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, sound.loop.offset + 0xC, 0x20));
}
//predictors
sound.predictor.order = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, sound.predictor.offset, 4));
sound.predictor.nPredictors = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(ptrTable, sound.predictor.offset + 4, 4));
sound.predictor.predictors = CGeneric.GiveMeArray(ptrTable, sound.predictor.offset + 8, sound.predictor.order * sound.predictor.nPredictors * 8 * 2);
sound.predictor.predictorShort = new short[sound.predictor.predictors.Length / 2];
for (int j = 0; j < sound.predictor.predictorShort.Length; j++)
{
sound.predictor.predictorShort[j] = BitConverter.ToInt16(new[] { sound.predictor.predictors[j * 2 + 1], sound.predictor.predictors[j * 2] }, 0);
}
if (sound.loop.offset != 0)
{
indexSoundPtr = sound.loop.offset;
}
else
{
indexSoundPtr += 0xA0;
}
soundList.Add(sound);
}
}
private int DecomposeSong()
{
int songTotalLength = 0;
for (int i = 0; i < songDataAddress.Length; i += 8)
{
//starting address song0
int songAddress = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(songDataAddress, i, 4));
int songLength = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(songDataAddress, i + 4, 4)) - songAddress;
//grab the start address of song
byte[] songRawData = CGeneric.GiveMeArray(rawData, songAddress - positionPtrStart, songLength);
Song song = new Song(songRawData);
songList.Add(song);
songTotalLength += songLength;
}
return(songTotalLength);
}
public void WriteAllData(FileStream fs)
{
//set 16bit alignment for first soundbank
int alignment = 16 - ((int)fs.Position % 16);
for (int i = 0; i < alignment; i++)
{
fs.WriteByte(0);
}
//update address of midi (SoundBank 0) by making the difference between old position and new position
this.finalIndexAudioStart = (int)fs.Position;
//Array.Copy(rawData, RomLangAddress.GetMidiSongSoundBank0(), addressHeaderSb0, 0, addressHeaderSb0.Length);
//set the good position of song, and write to rom
int valueToStore1 = 0;
int lengthData = 0;
int adder = 0;
fs.Position = RomLangAddress.GetMidiSongSoundBank0();
for (int i = 0; i < soundBankList[0].songList.Count; i++)
{
//finalindexaudiostart + ptrlength+wavedatalength
valueToStore1 = finalIndexAudioStart + soundBankList[0].ptrTable.Length + soundBankList[0].waveTable.Length + adder;
lengthData = soundBankList[0].songList[i].rawData.Length;
fs.Write(CGeneric.ConvertIntToByteArray(valueToStore1), 0, 4);
fs.Write(CGeneric.ConvertIntToByteArray(valueToStore1 + lengthData), 0, 4);
adder += lengthData;
}
/*for (int i = 0; i < addressHeaderSb0.Length; i += 4)
* {
* int tmpValue = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(addressHeaderSb0, i, 4));
* if (finalIndexAudioStart > initialIndexAudioStart)
* tmpValue += finalIndexAudioStart - initialIndexAudioStart;
* else
* tmpValue -= initialIndexAudioStart - finalIndexAudioStart;
* byte[] tmpBytesNew = CGeneric.ConvertIntToByteArray(tmpValue);
* for(int j = 0; j < tmpBytesNew.Length; j++)
* addressHeaderSb0[i + j] = tmpBytesNew[j];
*
* }*/
//write rawData soundBank
fs.Position = finalIndexAudioStart;
//write ptrData, waveTable, midi and sfx
for (int i = 0; i <= 0x15; i++)
{
//write ptrData and update position
soundBankList[i].address.PtrTable = CGeneric.ConvertIntToByteArray((int)fs.Position);
fs.Write(soundBankList[i].ptrTable, 0, soundBankList[i].ptrTable.Length);
//write waveTable and update position
soundBankList[i].address.WaveTable = CGeneric.ConvertIntToByteArray((int)fs.Position);
fs.Write(soundBankList[i].waveTable, 0, soundBankList[i].waveTable.Length);
//write midi song and update sfx position ! (will only change the position of soundbank 1 and 2, the others doesn't have midi)
soundBankList[i].address.Sfx = CGeneric.ConvertIntToByteArray((int)fs.Position);
fs.Write(soundBankList[i].GetRawSongs() /*midi*/, 0, soundBankList[i].GetRawSongs().Length /*midi.Length*/);
//write sfx and update position
fs.Write(soundBankList[i].sfx, 0, soundBankList[i].sfx.Length);
//write end position
soundBankList[i].address.end = CGeneric.ConvertIntToByteArray((int)fs.Position);
}
long savedFsPosition = fs.Position;
//update address in the header (first part)
for (int i = 0; i <= 0x15; i++)
{
fs.Position = RomLangAddress.GetSoundBankPtrTable()[i];
fs.Write(soundBankList[i].address.PtrTable, 0, 4);
fs.Write(soundBankList[i].address.WaveTable, 0, 4);
if (i == 0 || i == 2)
{
if (i == 2)
{
fs.Position -= 0x38;
fs.Write(soundBankList[i].address.Sfx, 0, 4); // in fact, it's the start of midi
fs.Write(soundBankList[i].address.end, 0, 4); // and it's end here (and not the sfx)
fs.Position += 0x30;
}
byte[] nullBytes = new byte[4];
fs.Write(nullBytes, 0, 4);
fs.Write(nullBytes, 0, 4);
}
else
{
fs.Write(soundBankList[i].address.Sfx, 0, 4);
//small hack.. weird part in the rom...
if (i != 1)
{
fs.Write(soundBankList[i].address.end, 0, 4);
}
else
{
int oldValue = CGeneric.ConvertByteArrayToInt(soundBankList[i].address.end);
byte[] newValue = CGeneric.ConvertIntToByteArray(oldValue - 0x470);
fs.Write(newValue, 0, 4);
}
}
fs.Write(soundBankList[i].address.WaveTable, 0, 4);
}
//update address in the header(second part)
for (int i = 4; i <= 0x14; i++)
{
fs.Position = RomLangAddress.GetSoundBankPtrTable()[i] + 0x168;
fs.Write(soundBankList[i].address.PtrTable, 0, 4);
fs.Write(soundBankList[i].address.WaveTable, 0, 4);
fs.Write(soundBankList[i].address.Sfx, 0, 4);
fs.Write(soundBankList[i].address.end, 0, 4);
fs.Write(soundBankList[i].address.WaveTable, 0, 4);
}
fs.Position = savedFsPosition;
}
//chunk RawData into PtrTable, WaveTable and Sfx
private void ChunkRawData(int id)
{
//initialized to 16 to avoid first soundbank set to 0..
int sizeOfPtrTable = 0;
//searching waveTable (end of PtrTable) and write ptrTable rawData
sizeOfPtrTable = CGeneric.SearchBytesInArray(rawData, CGeneric.patternN64WaveTable, 0, 16, 16);
ptrTable = CGeneric.GiveMeArray(rawData, 0, sizeOfPtrTable);
//waveTable = CGeneric.GiveMeArray(rawData,ptrTable.Length,rawData.Length - ptrTable.Length);
int sizeSfx = 0;
int sizeMidi = 0;
//searching midi and sfx
switch (id)
{
case 0:
sizeMidi = DecomposeSong();
break;
//there is a midi song and sfx, so with a unknow wavetable length, we need to determine sfx and midi length..
case 1:
var startMidi = CGeneric.SearchBytesInArray(rawData, CGeneric.patternMidiSoundBank1, 0, 0, 16);
sizeMidi = RomLangAddress.GetSizeMidiSoundBank1();
sizeSfx = rawData.Length - (startMidi + sizeMidi);
break;
//there is song but no sfx
case 2:
sizeMidi = RomLangAddress.GetSizeMidiSoundBank2();
break;
//standard computed sfx size and no midi file (dirty check, but seems working pretty well).
default:
int tmpSfxEqualValue;
int tmpSfxEqualValue2;
int tmpSfxEqualValue3;
int tmpSfxNull;
for (int i = ptrTable.Length; i < rawData.Length - 16; i += 16)
{
//quick test, for avoiding cpu consuption
tmpSfxNull = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(rawData, i + 12, 4));
if (tmpSfxNull == 0)
{
tmpSfxEqualValue = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(rawData, i, 4));
tmpSfxEqualValue2 = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(rawData, i + 4, 4));
tmpSfxEqualValue3 = CGeneric.ConvertByteArrayToInt(CGeneric.GiveMeArray(rawData, i + 8, 4));
var tmpSfxEqualValue4 = tmpSfxEqualValue3++;
if (tmpSfxEqualValue != 0 && tmpSfxEqualValue == tmpSfxEqualValue2 && (tmpSfxEqualValue2 == tmpSfxEqualValue4 || tmpSfxEqualValue2 == tmpSfxEqualValue3))
{
sizeSfx = rawData.Length - i;
break;
}
}
}
break;
}
//store date with size found previously
waveTable = CGeneric.GiveMeArray(rawData, ptrTable.Length, rawData.Length - (ptrTable.Length + sizeMidi + sizeSfx));
midi = CGeneric.GiveMeArray(rawData, ptrTable.Length + waveTable.Length, sizeMidi);
sfx = CGeneric.GiveMeArray(rawData, ptrTable.Length + waveTable.Length + sizeMidi, sizeSfx);
}