public void Load(IReadOnlyFileSystem fileSystem)
{
Stream stream;
if (!fileSystem.TryOpen(Filename, out stream))
{
return;
}
try
{
Exists = true;
foreach (var loader in Game.ModData.SoundLoaders)
{
ISoundFormat soundFormat;
if (loader.TryParseSound(stream, out soundFormat))
{
Length = (int)soundFormat.LengthInSeconds;
soundFormat.Dispose();
break;
}
}
}
finally
{
stream.Dispose();
}
}
public LvlPackage(Stream s, string filename, IReadOnlyFileSystem context)
{
stream = s;
Name = filename;
var lvlLookup = new Dictionary <string, string>();
var lookupPath = $"archives/{Path.GetFileName(filename)}.yaml";
Stream s2;
if (context.TryOpen(lookupPath, out s2))
{
lvlLookup = MiniYaml.FromStream(s2).ToDictionary(x => x.Key, x => x.Value.Value);
}
var fileTypeListOffset = s.ReadInt32();
s.Position = fileTypeListOffset;
int firstFileListOffset = 0;
for (var i = 0; s.Position < s.Length; i++)
{
s.Position = fileTypeListOffset + i * 8;
var fileType = s.ReadASCII(4);
var fileListOffset = s.ReadInt32();
// List terminator reached.
if (fileListOffset == 0)
{
break;
}
// We need this to calculate the last fileLength.
if (firstFileListOffset == 0)
{
firstFileListOffset = fileListOffset;
}
// To determine when this list ends, check the next entry
s.Position += 4;
var fileListEndOffset = s.ReadInt32();
// List terminator reached, so assume the list goes on till the fileTypeList starts.
if (fileListEndOffset == 0)
{
fileListEndOffset = fileTypeListOffset;
}
s.Position = fileListOffset;
for (var j = 0; s.Position < fileListEndOffset; j++)
{
var fileOffset = s.ReadInt32();
// Removed file, still increments fileId.
if (fileOffset == 0)
{
continue;
}
// As the fileLength is nowhere stored, but files always follow in order, calculate the previous fileLength.
if (index.Count > 0)
{
var entry = index.ElementAt(index.Count - 1).Value;
entry[1] = fileOffset - entry[0];
}
var assetFileName = $"{j}.{fileType.ToLower()}";
// Lookup assumed original filename for better readability in yaml files.
if (lvlLookup.ContainsKey(assetFileName))
{
assetFileName = lvlLookup[assetFileName];
}
else
{
lvlLookup.Add(assetFileName, assetFileName);
}
index.Add(assetFileName, new int[] { fileOffset, 0 });
}
}
if (index.Count <= 0)
{
return;
}
// Calculate the last fileLength.
var lastEntry = index.ElementAt(index.Count - 1).Value;
lastEntry[1] = firstFileListOffset - lastEntry[0];
}