private static bool ShouldStopReadingCommands(SoundEntry sndEntry, SequenceCommand command)
{
if (command.Type <= 0 || command.Type >= (byte)SequenceCommandType.Count)
{
return(true);
}
//named entries typically only have 1 command
if (sndEntry.NameOffset > 0)
{
return(true);
}
return(false);
}
public SequenceEntry(SoundAudioBinaryFile file, BinaryReader binaryReader, SoundEntry soundEntry, long offset)
{
DeclarationVersion = binaryReader.ReadByteAt(offset);
//1 reserved
DeclarationSize = binaryReader.ReadUInt16At(offset + 0x02);
DeclarationIndex = binaryReader.ReadUInt16At(offset + 0x04);
Offset = file.SequenceSectionOffset
+ binaryReader.ReadUInt32At(file.SequenceSectionOffset + 0x10 + DeclarationIndex * 0x04);
Version = binaryReader.ReadByteAt(Offset);
//1 reserved
//2 size?
ReadCommands(file, binaryReader, soundEntry);
}
private void AddMaterialUser(SequenceCommand command, SoundEntry entry)
{
var trackIndex = command.Body?.TrackIndex ?? null;
if (trackIndex == null)
{
return;
}
if (trackIndex < 0 || trackIndex >= Tracks.Count)
{
return;
}
var track = Tracks[(int)trackIndex.Value];
if (track.HasMaterial)
{
MaterialSection.AddUser(entry, track.MaterialIndex);
}
}
protected override void ParseSections(BinaryReader reader)
{
SoundSectionOffset = InnerFileStartOffset + GetSectionDeclaration(Magic_Snd).OffsetInInnerFile;
SequenceSectionOffset = InnerFileStartOffset + GetSectionDeclaration(Magic_Seq).OffsetInInnerFile;
TrackSectionOffset = InnerFileStartOffset + GetSectionDeclaration(Magic_Trk).OffsetInInnerFile;
var entryCount = reader.ReadUInt16At(SoundSectionOffset + 0x04);
for (int entryIndex = 0; entryIndex < entryCount; entryIndex++)
{
var entry = new SoundEntry(this, reader, entryIndex);
SoundEntries.Add(entry);
}
var trackCount = reader.ReadUInt16At(TrackSectionOffset + 0x04);
for (int trackIndex = 0; trackIndex < trackCount; trackIndex++)
{
var track = new TrackEntry(this, reader, trackIndex);
Tracks.Add(track);
}
AddMaterialUsers();
}
private void ReadCommands(SoundAudioBinaryFile file, BinaryReader binaryReader, SoundEntry soundEntry)
{
uint commandsOffsetInEntry;
if (Version <= 2)
{
commandsOffsetInEntry = binaryReader.ReadUInt16At(Offset + 0x16);
}
else
{
commandsOffsetInEntry = binaryReader.ReadUInt16At(Offset + 0x06);
}
var currentCommandsOffset = Offset + commandsOffsetInEntry;
while (currentCommandsOffset < file.TrackSectionOffset)
{
var command = new SequenceCommand(binaryReader, currentCommandsOffset);
Commands.Add(command);
currentCommandsOffset += (uint)(command.Size + command.BodySize);
if (ShouldStopReadingCommands(soundEntry, command))
{
break;
}
}
}