internal Group(IReader headerReader, IReader dataReader)
{
this.Type = Signature.Read(0, headerReader);
this.Size = headerReader.ReadUInt32(4);
this.Label = headerReader.ReadUInt32(8);
this.GroupType = headerReader.ReadInt32(12);
this.Stamp = headerReader.ReadUInt16(16);
this.Unknown1 = headerReader.ReadUInt16(18);
this.Version = headerReader.ReadUInt16(20);
this.Unknown2 = headerReader.ReadUInt16(22);
this.Children = new List <IRecordOrGroup>();
var children = dataReader;
while (true)
{
if (children.Length < 4)
{
break;
}
var type = Signature.Read(0, children);
var size = children.ReadUInt32(4);
IRecordOrGroup item = null;
var actualSize = size;
var childHeader = children.Slice(0, 24);
var keep = false;
if (type == GRUP)
{
/*var childData = children.Slice(24, (int) size - 24);
* item = new Group(childHeader, childData);
* keep = true;*/
}
else
{
actualSize += 24;
if (Registry.ParsedRecords.ContainsKey(type))
{
var childData = children.Slice(24, (int)size);
item
= Registry.ParsedRecords.TryGetValue(type, out var constructor)
? constructor(childHeader, childData)
: new Record(childHeader, childData);
keep = true;
}
}
if (keep)
{
this.Children.Add(item);
}
children = children.Slice((int)actualSize);
}
}
public ModFile(string filename)
{
this.Children = new List <IRecordOrGroup>();
using (var fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read, 8192,
FileOptions.SequentialScan))
{
using (var br = new BinaryReader(fs))
{
while (true)
{
if (fs.Position + 4 >= fs.Length)
{
break;
}
var header = br.NextChunk(24);
var type = Signature.Read(0, header);
var size = header.ReadUInt32(4);
if (type == Group.GRUP)
{
size -= 24;
}
var data = br.NextChunk((int)size);
IRecordOrGroup item = null;
var keep = false;
if (type == Group.GRUP)
{
/*item = new Group(header, data);
* keep = true;*/
}
else
{
if (Registry.ParsedRecords.ContainsKey(type))
{
item = Registry.ParsedRecords.TryGetValue(type, out var constructor)
? constructor(header, data)
: new Record(header, data);
keep = true;
}
}
if (keep)
{
this.Children.Add(item);
}
}
}
}
}
