public void ReadChildren <T>(BinaryReader reader, byte version, LumpElementHeaderInfo info = null) where T : ILumpElement, new()
{
if (info == null)
{
info = new LumpElementHeaderInfo();
}
// Read number of child elements
var count = reader.ReadInt32();
for (var i = 0; i < count; i++)
{
string name;
// Read each child element
switch (info.Type)
{
case LumpElementHeaderInfo.HeaderNameType.None:
name = $"element{i}";
break;
case LumpElementHeaderInfo.HeaderNameType.Char:
name = reader.ReadPaddedString(info.CharLength);
break;
case LumpElementHeaderInfo.HeaderNameType.String:
name = reader.ReadNullTerminatedString();
break;
default:
throw new InvalidOperationException("Invalid lump header type.");
}
var element = (ILumpElement) new T();
element.Read(reader, version);
if (element is INamedElement named)
{
named.Name = name;
}
Children.Add(element);
}
}
public void WriteChildren(BinaryWriter writer, byte version, LumpElementHeaderInfo info = null)
{
if (info == null)
{
info = new LumpElementHeaderInfo();
}
// Write number of child elements
writer.Write(Children.Count);
foreach (var record in Children)
{
// Write each child element
if (record is INamedElement named)
{
// Handle named elements
switch (info.Type)
{
case LumpElementHeaderInfo.HeaderNameType.None:
// do nothing
break;
case LumpElementHeaderInfo.HeaderNameType.Char:
writer.WritePaddedString(named.Name, info.CharLength);
break;
case LumpElementHeaderInfo.HeaderNameType.String:
writer.WriteNullTerminatedString(named.Name);
break;
default:
throw new InvalidOperationException("Invalid lump header type.");
}
}
var lump = (ILumpElement)record;
lump.Write(writer, version);
}
}
