/// <summary>
/// Open audio stream
/// </summary>
/// <param name="bankIndex">Bank index</param>
/// <param name="audioIndex">Audio index</param>
/// <returns>GTA audio stream</returns>
public override Stream Open(uint bankIndex, uint audioIndex)
{
GTAAudioStream ret = null;
if (FileStream != null)
{
if (bankIndex < NumBanks)
{
GTAAudioBankData bank_data = BankData[bankIndex];
if (audioIndex < bank_data.NumAudioClips)
{
GTAAudioAudioClipData audio_clip_data = bank_data.AudioClipData[audioIndex];
uint offset = bank_data.Offset + audio_clip_data.SoundBufferOffset + 0x12C4;
if (FileStream.Length >= (offset + audio_clip_data.Length))
{
byte[] data = new byte[audio_clip_data.Length];
FileStream.Seek(offset, SeekOrigin.Begin);
if (FileStream.Read(data, 0, data.Length) == data.Length)
{
ret = new GTAAudioStream(this, audio_clip_data.SampleRate, audio_clip_data.LoopOffset, audio_clip_data.SoundHeadroom, data);
ret.Seek(0L, SeekOrigin.Begin);
}
}
}
}
}
return(ret);
}
/// <summary>
/// Open GTA audio files
/// </summary>
/// <param name="directory">GTA audio files directory</param>
/// <param name="filesMode">Audio files mode</param>
/// <returns>GTA audio files</returns>
public static GTAAudioFiles Open(string directory, EGTAAudioFilesMode filesMode)
{
GTAAudioFiles ret = null;
try
{
if (directory != null)
{
/*if (filesMode == EGTAAudioFilesMode.Create)
* {
* // TODO
* }
* else*/
if (Directory.Exists(directory))
{
string config_directory = Path.Combine(directory, "CONFIG");
string sfx_directory = Path.Combine(directory, "SFX");
string streams_directory = Path.Combine(directory, "streams");
if (Directory.Exists(config_directory) &&
Directory.Exists(sfx_directory) &&
Directory.Exists(streams_directory))
{
string audio_event_history_txt_path = Path.Combine(config_directory, "AudioEventHistory.txt");
string bank_lookup_dat_path = Path.Combine(config_directory, "BankLkup.dat");
string bank_slot_dat_path = Path.Combine(config_directory, "BankSlot.dat");
string event_volume_dat_path = Path.Combine(config_directory, "EventVol.dat");
string pak_files_dat_path = Path.Combine(config_directory, "PakFiles.dat");
string stream_paks_dat_path = Path.Combine(config_directory, "StrmPaks.dat");
string trak_lookup_dat_path = Path.Combine(config_directory, "TrakLkup.dat");
if (File.Exists(audio_event_history_txt_path) &&
File.Exists(bank_lookup_dat_path) &&
File.Exists(bank_slot_dat_path) &&
File.Exists(event_volume_dat_path) &&
File.Exists(pak_files_dat_path) &&
File.Exists(stream_paks_dat_path) &&
File.Exists(trak_lookup_dat_path))
{
string[] sfx_files = null;
string[] streams_files = null;
GTAAudioSFXFile[] sfx_audio_files = null;
GTAAudioStreamsFile[] streams_audio_files = null;
List <GTAAudioBankData>[] sfx_bank_data;
List <GTAAudioBankData>[] streams_bank_data;
Dictionary <string, uint> sfx_files_lookup = new Dictionary <string, uint>();
Dictionary <string, uint> streams_files_lookup = new Dictionary <string, uint>();
byte[] volume = null;
using (FileStream stream = File.Open(pak_files_dat_path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
long stream_length = stream.Length;
if ((stream_length % 52L) == 0L)
{
byte[] data = new byte[52];
long count = stream_length / 52L;
sfx_files = new string[count];
sfx_audio_files = new GTAAudioSFXFile[count];
for (int i = 0; i < sfx_files.Length; i++)
{
if (stream.Read(data, 0, data.Length) == data.Length)
{
int len = GetNullTerminatedByteStringLength(data);
if (len > 0)
{
string sfx_file = Encoding.UTF8.GetString(data, 0, len);
sfx_files[i] = sfx_file;
sfx_file = sfx_file.ToLower();
if (!(sfx_files_lookup.ContainsKey(sfx_file)))
{
sfx_files_lookup.Add(sfx_file, (uint)i);
}
}
}
else
{
sfx_files = new string[0];
break;
}
}
}
}
if (sfx_files == null)
{
sfx_files = new string[0];
sfx_audio_files = new GTAAudioSFXFile[0];
}
using (FileStream stream = File.Open(stream_paks_dat_path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
long stream_length = stream.Length;
if ((stream_length % 16L) == 0L)
{
byte[] data = new byte[16];
long count = stream_length / 16L;
streams_files = new string[count];
streams_audio_files = new GTAAudioStreamsFile[count];
for (int i = 0; i < streams_files.Length; i++)
{
if (stream.Read(data, 0, data.Length) == data.Length)
{
int len = GetNullTerminatedByteStringLength(data);
if (len > 0)
{
string streams_file = Encoding.UTF8.GetString(data, 0, len);
streams_files[i] = streams_file;
streams_file = streams_file.ToLower();
if (!(streams_files_lookup.ContainsKey(streams_file)))
{
streams_files_lookup.Add(streams_file, (uint)i);
}
}
}
else
{
streams_files = new string[0];
break;
}
}
}
}
if (streams_files == null)
{
streams_files = new string[0];
streams_audio_files = new GTAAudioStreamsFile[0];
}
sfx_bank_data = new List <GTAAudioBankData> [sfx_files.Length];
for (int i = 0; i < sfx_bank_data.Length; i++)
{
sfx_bank_data[i] = new List <GTAAudioBankData>();
}
using (FileStream stream = File.Open(bank_lookup_dat_path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (BinaryReader reader = new BinaryReader(stream))
{
long stream_length = stream.Length;
if ((stream_length % 12L) == 0L)
{
long count = stream_length / 12L;
for (long i = 0; i < count; i++)
{
byte index = reader.ReadByte();
stream.Seek(3L, SeekOrigin.Current);
uint offset = reader.ReadUInt32();
uint length = reader.ReadUInt32();
if (index < sfx_bank_data.Length)
{
sfx_bank_data[index].Add(new GTAAudioBankData(offset, length));
}
}
}
}
}
streams_bank_data = new List <GTAAudioBankData> [streams_files.Length];
for (int i = 0; i < streams_bank_data.Length; i++)
{
streams_bank_data[i] = new List <GTAAudioBankData>();
}
using (FileStream stream = File.Open(trak_lookup_dat_path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (BinaryReader reader = new BinaryReader(stream))
{
long stream_length = stream.Length;
if ((stream_length % 12L) == 0L)
{
long count = stream_length / 12L;
for (long i = 0; i < count; i++)
{
byte index = reader.ReadByte();
stream.Seek(3L, SeekOrigin.Current);
uint offset = reader.ReadUInt32();
uint length = reader.ReadUInt32();
if (index < streams_bank_data.Length)
{
streams_bank_data[index].Add(new GTAAudioBankData(offset, length));
}
}
}
}
}
for (int i = 0, j, k; i < sfx_files.Length; i++)
{
string sfx_file = sfx_files[i];
FileStream stream = null;
if (sfx_file != null)
{
string sfx_path = Path.Combine(sfx_directory, sfx_file);
if (File.Exists(sfx_path))
{
stream = File.Open(sfx_path, FileMode.Open, FileAccess.Read, FileShare.Read);
if (stream != null)
{
BinaryReader reader = new BinaryReader(stream);
if (reader != null)
{
int len = sfx_bank_data[i].Count;
for (j = 0; j < len; j++)
{
GTAAudioBankData bank_data = sfx_bank_data[i][j];
GTAAudioAudioClipData[] audio_clip_data = null;
HashSet <uint> offset_set = new HashSet <uint>();
stream.Seek(bank_data.Offset, SeekOrigin.Begin);
ushort num_audio_clips = reader.ReadUInt16();
stream.Seek(sizeof(ushort), SeekOrigin.Current);
if (num_audio_clips <= maxSoundEntries)
{
audio_clip_data = new GTAAudioAudioClipData[num_audio_clips];
for (uint l = 0U; l != num_audio_clips; l++)
{
uint sound_buffer_offset = reader.ReadUInt32();
uint loop_offset = reader.ReadUInt32();
ushort sample_rate = reader.ReadUInt16();
ushort sound_headroom = reader.ReadUInt16();
audio_clip_data[l] = new GTAAudioAudioClipData(sound_buffer_offset, loop_offset, sample_rate, sound_headroom, 0U);
if (!(offset_set.Contains(sound_buffer_offset)))
{
offset_set.Add(sound_buffer_offset);
}
}
}
List <uint> offsets = new List <uint>(offset_set);
offset_set.Clear();
offsets.Sort();
if (audio_clip_data == null)
{
audio_clip_data = new GTAAudioAudioClipData[0];
}
for (k = 0; k < audio_clip_data.Length; k++)
{
GTAAudioAudioClipData a_c_d = audio_clip_data[k];
int offset_index = offsets.IndexOf(a_c_d.SoundBufferOffset);
audio_clip_data[k] = new GTAAudioAudioClipData(a_c_d.SoundBufferOffset, a_c_d.LoopOffset, a_c_d.SampleRate, a_c_d.SoundHeadroom, ((offset_index < (offsets.Count - 1)) ? offsets[offset_index + 1] : bank_data.Length) - a_c_d.SoundBufferOffset);
}
offsets.Clear();
sfx_bank_data[i][j] = new GTAAudioBankData(bank_data.Offset, bank_data.Length, audio_clip_data);
}
}
}
}
}
sfx_audio_files[i] = new GTAAudioSFXFile(sfx_file, stream, sfx_bank_data[i].ToArray());
sfx_bank_data[i].Clear();
}
for (int i = 0; i < streams_files.Length; i++)
{
string streams_file = streams_files[i];
FileStream stream = null;
GTAAudioBeatData[] beats_data = null;
if (streams_file != null)
{
string streams_path = Path.Combine(streams_directory, streams_file);
if (File.Exists(streams_path))
{
stream = File.Open(streams_path, FileMode.Open, FileAccess.Read, FileShare.Read);
if (stream != null)
{
DecodingBinaryReader reader = new DecodingBinaryReader(stream);
if (reader != null)
{
List <GTAAudioBeatData> beats_data_list = new List <GTAAudioBeatData>();
for (int j = 0; j < 1000; j++)
{
uint timing = reader.ReadDecodeUInt32();
uint control = reader.ReadDecodeUInt32();
if (timing != uint.MaxValue)
{
beats_data_list.Add(new GTAAudioBeatData(timing, control));
}
else
{
break;
}
}
stream.Seek(8064L, SeekOrigin.Begin);
uint magic_number = reader.ReadDecodeUInt32();
if (magic_number == 0xCDCD0001)
{
beats_data = beats_data_list.ToArray();
}
beats_data_list.Clear();
}
}
}
}
if (beats_data == null)
{
beats_data = new GTAAudioBeatData[0];
}
streams_audio_files[i] = new GTAAudioStreamsFile(streams_file, stream, streams_bank_data[i].ToArray(), beats_data);
streams_bank_data[i].Clear();
}
using (FileStream stream = File.Open(event_volume_dat_path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
volume = new byte[stream.Length];
if (stream.Read(volume, 0, volume.Length) != volume.Length)
{
volume = new byte[0];
}
}
if (volume == null)
{
volume = new byte[0];
}
ret = new GTAAudioFiles(sfx_audio_files, streams_audio_files, sfx_files_lookup, streams_files_lookup, volume);
}
}
}
}
}
catch (Exception e)
{
if (ret != null)
{
ret.Dispose();
ret = null;
}
throw e;
}
return(ret);
}