private GFFObject[] ReadList(long offset)
{
long pos = file.Position;
file.Position = lioffset + offset;
//read the size of the list
byte[] buffer = new byte[DWORD_SIZE];
file.Read(buffer, 0, buffer.Length);
uint count = BitConverter.ToUInt32(buffer, 0);
//read the elements of the list (each being 1 uint index into the struct array)
buffer = new byte[DWORD_SIZE * count];
file.Read(buffer, 0, buffer.Length);
file.Position = pos;
GFFObject[] structs = new GFFObject[count];
for (int i = 0, j = 0; i < count; i++, j += DWORD_SIZE)
{
GFFStructDef def = ReadStruct(BitConverter.ToUInt32(buffer, j));
structs[i] = new GFFObject(null, GFFObject.FieldType.Struct, def.structValue, def.structID);
}
return(structs);
}
public GFFLoader(Stream file)
{
this.file = file;
//read the file type and version
byte[] buffer = new byte[DWORD_SIZE * 14];
file.Read(buffer, 0, DWORD_SIZE * 14);
string filetype = Encoding.ASCII.GetString(buffer, 0, 4);
string filever = Encoding.ASCII.GetString(buffer, 4, 4);
//get the offset to and number of structs in the file
structoffset = BitConverter.ToUInt32(buffer, 8);
structcount = BitConverter.ToInt32(buffer, 12);
//get the offset to and number of fields in the file
fieldoffset = BitConverter.ToUInt32(buffer, 16);
fieldcount = BitConverter.ToInt32(buffer, 20);
//get the offset to and number of labels in the file
labeloffset = BitConverter.ToUInt32(buffer, 24);
labelcount = BitConverter.ToInt32(buffer, 28);
//get the offset to and number of field data in the file
fdoffset = BitConverter.ToUInt32(buffer, 32);
fdcount = BitConverter.ToInt32(buffer, 36);
//get the offset to and number of field indices in the file
fioffset = BitConverter.ToUInt32(buffer, 40);
ficount = BitConverter.ToInt32(buffer, 44);
//get the offset to and number of list indices in the file
lioffset = BitConverter.ToUInt32(buffer, 48);
licount = BitConverter.ToInt32(buffer, 52);
//read the top level struct, recursively reading the file
GFFStructDef def = ReadStruct(0);
TopStruct = new GFFObject(null, GFFObject.FieldType.Struct, def.structValue, def.structID);
}
private GFFObject ReadField(uint index)
{
//fields are returned as a tuple (label, data) for ease of parsing
long pos = file.Position;
file.Position = fieldoffset + (index * DWORD_SIZE * 3);
byte[] buffer = new byte[DWORD_SIZE * 3];
file.Read(buffer, 0, DWORD_SIZE * 3);
string label = ReadLabel(BitConverter.ToUInt32(buffer, 4));
//label = label.Replace(" ", "");
file.Position = pos;
GFFObject.FieldType type = (GFFObject.FieldType)BitConverter.ToUInt32(buffer, 0);
switch (type)
{
case GFFObject.FieldType.Byte:
return(new GFFObject(label, type, buffer[8]));
case GFFObject.FieldType.Char:
return(new GFFObject(label, type, (char)buffer[8]));
case GFFObject.FieldType.Word:
return(new GFFObject(label, type, BitConverter.ToUInt16(buffer, 8)));
case GFFObject.FieldType.Short:
return(new GFFObject(label, type, BitConverter.ToInt16(buffer, 8)));
case GFFObject.FieldType.DWord:
return(new GFFObject(label, type, BitConverter.ToUInt32(buffer, 8)));
case GFFObject.FieldType.Int:
return(new GFFObject(label, type, BitConverter.ToInt32(buffer, 8)));
case GFFObject.FieldType.DWord64:
return(new GFFObject(label, type, ReadUInt64(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.Int64:
return(new GFFObject(label, type, ReadInt64(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.Float:
return(new GFFObject(label, type, BitConverter.ToSingle(buffer, 8)));
case GFFObject.FieldType.Double:
return(new GFFObject(label, type, ReadDouble(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.CExoString:
return(new GFFObject(label, type, ReadString(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.ResRef:
return(new GFFObject(label, type, ReadResRef(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.CExoLocString:
return(new GFFObject(label, type, ReadLocalizedString(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.Void:
return(new GFFObject(label, type, ReadBytes(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.Struct:
GFFStructDef def = ReadStruct(BitConverter.ToUInt32(buffer, 8));
return(new GFFObject(label, type, def.structValue, def.structID));
case GFFObject.FieldType.List:
return(new GFFObject(label, type, ReadList(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.Quaternion:
return(new GFFObject(label, type, ReadQuaternion(BitConverter.ToUInt32(buffer, 8))));
case GFFObject.FieldType.Vector3:
return(new GFFObject(label, type, ReadVector3(BitConverter.ToUInt32(buffer, 8))));
default:
Debug.LogWarningFormat("{0} has unknown GFF type ID: {1}", label, type);
return(new GFFObject(label, type, null));
}
}
