void CollectAudioData()
{
var ms = new MemoryStream();
var adpcmIndex = 0;
bool compressed = false;
for (var i = 0; i < Frames; i++)
{
stream.Seek(offsets[i], SeekOrigin.Begin);
var end = (i < Frames - 1) ? offsets[i + 1] : stream.Length;
while (stream.Position < end)
{
var type = stream.ReadASCII(4);
var length = int2.Swap(stream.ReadUInt32());
switch (type)
{
case "SND0":
case "SND2":
var rawAudio = stream.ReadBytes((int)length);
ms.Write(rawAudio);
compressed = (type == "SND2");
break;
default:
stream.ReadBytes((int)length);
break;
}
// Chunks are aligned on even bytes; advance by a byte if the next one is null
if (stream.Peek() == 0)
{
stream.ReadByte();
}
}
}
audioData = (compressed) ? AudLoader.LoadSound(ms.ToArray(), ref adpcmIndex) : ms.ToArray();
}
void CollectAudioData()
{
var ms = new MemoryStream();
var adpcmIndex = 0;
bool compressed = false;
for (var i = 0; i < Frames; i++)
{
stream.Seek(offsets[i], SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
var end = (i < Frames - 1) ? offsets[i + 1] : stream.Length;
while (reader.BaseStream.Position < end)
{
var type = new String(reader.ReadChars(4));
var length = int2.Swap(reader.ReadUInt32());
switch (type)
{
case "SND0":
case "SND2":
var rawAudio = reader.ReadBytes((int)length);
ms.Write(rawAudio);
compressed = (type == "SND2");
break;
default:
reader.ReadBytes((int)length);
break;
}
if (reader.PeekChar() == 0)
{
reader.ReadByte();
}
}
}
audioData = (compressed) ? AudLoader.LoadSound(ms.ToArray(), ref adpcmIndex) : ms.ToArray();
}
void CollectAudioData()
{
var audio1 = new MemoryStream(); // left channel / mono
var audio2 = new MemoryStream(); // right channel
var adpcmIndex = 0;
var compressed = false;
for (var i = 0; i < Frames; i++)
{
stream.Seek(offsets[i], SeekOrigin.Begin);
var end = (i < Frames - 1) ? offsets[i + 1] : stream.Length;
while (stream.Position < end)
{
var type = stream.ReadASCII(4);
if (type == "SN2J")
{
var jmp = int2.Swap(stream.ReadUInt32());
stream.Seek(jmp, SeekOrigin.Current);
type = stream.ReadASCII(4);
}
var length = int2.Swap(stream.ReadUInt32());
switch (type)
{
case "SND0":
case "SND2":
if (audioChannels == 1)
{
var rawAudio = stream.ReadBytes((int)length);
audio1.Write(rawAudio);
}
else
{
var rawAudio = stream.ReadBytes((int)length / 2);
audio1.Write(rawAudio);
rawAudio = stream.ReadBytes((int)length / 2);
audio2.Write(rawAudio);
}
compressed = type == "SND2";
break;
default:
stream.ReadBytes((int)length);
break;
}
// Chunks are aligned on even bytes; advance by a byte if the next one is null
if (stream.Peek() == 0)
{
stream.ReadByte();
}
}
}
if (audioChannels == 1)
{
audioData = compressed ? AudLoader.LoadSound(audio1.ToArray(), ref adpcmIndex) : audio1.ToArray();
}
else
{
byte[] leftData, rightData;
if (!compressed)
{
leftData = audio1.ToArray();
rightData = audio2.ToArray();
}
else
{
adpcmIndex = 0;
leftData = AudLoader.LoadSound(audio1.ToArray(), ref adpcmIndex);
adpcmIndex = 0;
rightData = AudLoader.LoadSound(audio2.ToArray(), ref adpcmIndex);
}
audioData = new byte[rightData.Length + leftData.Length];
var rightIndex = 0;
var leftIndex = 0;
for (var i = 0; i < audioData.Length;)
{
audioData[i++] = leftData[leftIndex++];
audioData[i++] = leftData[leftIndex++];
audioData[i++] = rightData[rightIndex++];
audioData[i++] = rightData[rightIndex++];
}
}
hasAudio = audioData.Length > 0;
}
