private static MapElement ReadElement(BinaryReader reader, MapElement parent, string[] lookupTable)
{
MapElement element = new MapElement();
element.Name = lookupTable[reader.ReadInt16()];
element.Parent = parent;
int attributes = reader.ReadByte();
for (int i = 0; i < attributes; i++)
{
string key = lookupTable[reader.ReadInt16()];
byte type = reader.ReadByte();
object value = null;
if (type == 0)
{
value = reader.ReadBoolean();
}
else if (type == 1)
{
value = (int)reader.ReadByte();
}
else if (type == 2)
{
value = (int)reader.ReadInt16();
}
else if (type == 3)
{
value = reader.ReadInt32();
}
else if (type == 4)
{
value = reader.ReadSingle();
}
else if (type == 5)
{
value = lookupTable[reader.ReadInt16()];
}
else if (type == 6)
{
value = reader.ReadString();
}
else if (type == 7)
{
int count = reader.ReadInt16();
value = RunLengthEncoding.Decode(reader.ReadBytes(count));
}
element.Attributes.Add(key, value);
}
int elements = reader.ReadInt16();
for (int j = 0; j < elements; j++)
{
element.Children.Add(ReadElement(reader, element, lookupTable));
}
return(element);
}
private static void WriteElement(Dictionary <string, short> ids, BinaryWriter writer, XmlElement element)
{
int children = 0;
for (int i = element.ChildNodes.Count - 1; i >= 0; i--)
{
if (element.ChildNodes[i] is XmlElement)
{
children++;
}
}
int attributes = 0;
for (int i = element.Attributes.Count - 1; i >= 0; i--)
{
if (!IgnoreAttributes.Contains(element.Attributes[i].Name))
{
attributes++;
}
}
if (element.InnerText.Length > 0 && children == 0)
{
attributes++;
}
writer.Write(ids[element.Name]);
writer.Write((byte)attributes);
int count = element.Attributes.Count;
for (int i = 0; i < count; i++)
{
XmlAttribute attribute = element.Attributes[i];
if (IgnoreAttributes.Contains(attribute.Name))
{
continue;
}
ParseValue(attribute.Value, out byte type, out object result);
writer.Write(ids[attribute.Name]);
writer.Write(type);
switch (type)
{
case 0: writer.Write((bool)result); break;
case 1: writer.Write((byte)result); break;
case 2: writer.Write((short)result); break;
case 3: writer.Write((int)result); break;
case 4: writer.Write((float)result); break;
case 5: writer.Write(ids[(string)result]); break;
}
}
if (element.InnerText.Length > 0 && children == 0)
{
writer.Write(ids[InnerTextAttributeName]);
if (element.Name == "solids" || element.Name == "bg")
{
byte[] encoded = RunLengthEncoding.Encode(element.InnerText);
writer.Write((byte)7);
writer.Write((short)encoded.Length);
writer.Write(encoded);
}
else
{
writer.Write((byte)6);
writer.Write(element.InnerText);
}
}
writer.Write((short)children);
children = element.ChildNodes.Count;
for (int i = 0; i < children; i++)
{
XmlElement node = element.ChildNodes[i] as XmlElement;
if (node != null)
{
WriteElement(ids, writer, node);
}
}
}
