spyro_sfx_soundbanks.bt

//------------------------------------------------
//--- 010 Editor v11.0.1 Binary Template
//
//      File: SpyroSoundBanks.bt
//   Authors: jmarti856, Swyter
//   Version: 1.0
//   Purpose: Parse SFX soundbanks files.
//  Category: Audio
// File Mask: *_sb_*.sfx
//  ID Bytes: 4D 55 53 58
//------------------------------------------------

//*===============================================================================================
//* DEFINE STRUCTS USED IN THE SFX FILE
//*===============================================================================================
//The first parameters of the header are always little endian
LittleEndian(); local int sfxIsBigEndian = 0;

typedef struct 
{
	char   Magic[4];
	uint   Hashcode<format=hex>;
	uint   ConstantOffset<format=hex>;
	uint   FileSize <format=hex>;
	char   Platform[4];
	uint   TimeSpan;
	uint   unk;
	uint   structPadding;

	if (ReadUInt() != 0x0800) /* For GC */
	{
		Printf("[i] This is a GameCube SFX. Changing endianness to big-endian.");
		BigEndian(); sfxIsBigEndian = 1;
	}
} CommonHeader <read=Str("soundbank hc: %#010x, magic: %s, platform: %s", Hashcode, Magic, Platform)>;


//*===============================================================================================
//* READ FILE
//*===============================================================================================
// Define the headers
SetBackColor(cLtPurple);
CommonHeader header;

// Check for valid header
if(header.Magic != "MUSX")
{
	Warning( "File is not a valid SFX file. Template stopped." );
	return -1;
}

// Read Soundbanks Header
SetBackColor(cGreen);
struct SoundBanksHeader
{
	uint	SFXStart <format=hex>;
	uint 	SFXLength;

	uint 	SampleInfoStart <format=hex>;
	uint	SampleInfoLength;

	uint	SpecialSampleInfoStart <format=hex>;
	uint	SpecialSampleInfoLength;

	uint	SampleDataStart <format=hex>;
	uint	SampleDataLength;
} SBHeader;

//Go to SFXStart pos
if (FSeek( SBHeader.SFXStart ) < 0)
{
	Warning( "Error searching the SFX start position");
	return -1;
}

//Get the number of stored sounds in this section
uint totalSounds;

SetBackColor(cBlue);

struct SoundsArray
{
	uint	HashCode <format=hex>;
	uint 	Location <format=hex>;
} StoredSound[totalSounds] <read=Str("hc: %#010x | loc: %#010x", HashCode, Location)>;

//Read SFX Array & SFX Params
local int index = 0;
local long currentPos = 0;

typedef struct
{
	SetBackColor(cDkRed);
	short 	DuckerLength; SetBackColor(cRed);
	short 	MinDelay;
	short 	MaxDelay;
	ubyte	ReverbSend;
	enum<ubyte> TTyp {TT_2D, TT_Amb, TT_3D, TT_3D_Rnd_Pos, TT_2D_PL2};
	TTyp 	TrackingType;
	ubyte	MaxVoices;
	ubyte	Priority;
	ubyte	Ducker;
	ubyte 	MasterVolume;

	union
	{
		short Data <format=hex>;
		struct
		{
			short GroupHashCode : 8 <format=hex>;
			short GroupMaxChannels : 8 <format=hex>;
		} Split;
	} Group;

	short   Flags;
	short	SamplesCount;

	typedef struct
	{
		SetBackColor(cLtBlue);
		short FileRef; SetBackColor(cAqua);
		ubyte PitchOffset;
		ubyte RandomPitchOffset;
		ubyte BaseVolume;
		ubyte RandomVolumeOffset;
		ubyte Pan;
		ubyte RandomPan;
	} Samples <read=Str(" [-] fileref: %i, pitch: %u/%u, bvol: %u/%u, pan: %u/%u", FileRef, PitchOffset, RandomPitchOffset, BaseVolume, RandomVolumeOffset, Pan, RandomPan), optimize=false>;

	local int j = 0;

	for (j=0; j<SamplesCount; j++) /* swy: avoid optimizations, so that each sample gets its own line */
		Samples smpParam;

	local uint idx = index;

} Sounds <read=Str("hc: %#010x | sampl: %u, group: %x; %x %x (%s)", StoredSound[idx].HashCode, SamplesCount, Group.Data, Group.Split.GroupHashCode, Group.Split.GroupMaxChannels, EnumToString(TrackingType)), optimize=false>;

for (index = 0; index < totalSounds; index++)
{
	FSeek(StoredSound[index].Location + SBHeader.SFXStart);
	Sounds sfxParams;
}


//Read Sample Info Section
if (FSeek( SBHeader.SampleInfoStart ) < 0)
{
	Warning( "Error searching the sample info start position");
	return -1;
}

//Get the number of stored samples in this section
uint totalSamples;

typedef struct
{
	SetBackColor(cLtGreen);

	uint 	Flags;
	uint	Address <format=hex>;
	uint 	AudioDataSize <format=hex>;
	uint 	Frequency;
	uint 	RealSize <format=hex>;
	uint	PSI;
	uint	LoopOffset;
	uint	Duration;

	/* -- */

	currentPos = FTell(); FSeek(SBHeader.SampleDataStart + Address);

	SetBackColor(cDkRed);
	ubyte audioData[RealSize];

	FSeek(currentPos);
} SampleInfo <optimize=false, read=Str("[/] freq: %u | durat: %u, offset: %x", Frequency, Duration, Address)>;

//Read samples params
for (index = 0; index < totalSamples; index++)
	SampleInfo sampleInfoParams;


//Read Special Sample Info Section
typedef struct
{
	SetBackColor(cLtGreen);

	/* swy: this stored the GameCube-specific playback metadata; not needed for other platforms */
	uint NumSamples;
	uint NibblesADPCM;
	uint SampleRate;
	ushort LoopFlag;
	ushort Format;
	uint StartOffset;
	uint EndOffset;
	uint unk;
	ushort DecodeCoefficients[16]<format=hex>;
	ushort Gain;
	ushort Predictor;
	ushort SampleHistory;
	ushort SampleHistory2;
	ushort PredictorLoop;
	ushort SampleHistoryLoop;
	ushort SampleHistoryLoop2;
	ushort PaddingSamples[10];
	ushort padding;
} SpecialSample;

if (SBHeader.SampleInfoStart != SBHeader.SpecialSampleInfoStart)
{
	if (FSeek(SBHeader.SpecialSampleInfoStart ) < 0)
	{
		Warning( "Error searching the special sample info start position");
		return -1;
	}
	
	local int totalSpecialSamples = SBHeader.SpecialSampleInfoLength / sizeof(SpecialSample);
	for (index = 0; index < totalSpecialSamples; index++)
		SpecialSample specialInfo;
}