public void Deserialize(Stream input)
{
input.Seek(0, SeekOrigin.Begin);
var magic = input.ReadValueU32(Endian.Big);
if (magic != 0x47464620)
{
throw new FormatException();
}
var version = input.ReadValueU32(Endian.Big);
if (version != 0x56342E30 && // 4.0
version != 0x56342E31) // 4.1
{
throw new FormatException("unsupported version");
}
this.FileVersion = (byte)(version - 0x56342E30);
this.FilePlatform = input.ReadValueEnum <GFF.FilePlatform>(Endian.Big);
this.FormatType = input.ReadValueEnum <GFF.FormatType>(Endian.Big);
this.FormatVersion = input.ReadValueU32(Endian.Big);
var endian = this.FilePlatform == GFF.FilePlatform.PC ? Endian.Little : Endian.Big;
var structCount = input.ReadValueU32(endian);
var stringCount = this.FileVersion < 1 ? 0 : input.ReadValueU32(endian);
var stringOffset = this.FileVersion < 1 ? 0 : input.ReadValueU32(endian);
var dataOffset = input.ReadValueU32(endian);
if (this.FileVersion < 1)
{
stringOffset = dataOffset;
}
else
{
if (dataOffset < stringOffset)
{
throw new FormatException();
}
}
this.Structures.Clear();
for (uint i = 0; i < structCount; i++)
{
var structDef = new GFF.StructureDefinition();
//structDef.Id = input.ReadValueU32(endian);
structDef.Id = input.ReadValueU32(Endian.Big);
var fieldCount = input.ReadValueU32(endian);
var fieldOffset = input.ReadValueU32(endian);
structDef.DataSize = input.ReadValueU32(endian);
long nextOffset = input.Position;
structDef.Fields.Clear();
input.Seek(fieldOffset, SeekOrigin.Begin);
for (uint j = 0; j < fieldCount; j++)
{
var fieldDef = new GFF.FieldDefinition();
fieldDef.Id = input.ReadValueS32(endian);
var rawFlags = input.ReadValueU32(endian);
fieldDef.Offset = input.ReadValueU32(endian);
var type = (ushort)(rawFlags & 0xFFFF);
var flags = (GFF.FieldFlags)((rawFlags >> 16) & 0xFFFF);
if ((flags & GFF.FieldFlags.IsStructure) != 0)
{
flags &= ~GFF.FieldFlags.IsStructure;
fieldDef.Type = GFF.FieldType.Structure;
fieldDef.StructureId = type;
}
else
{
fieldDef.Type = (GFF.FieldType)type;
}
fieldDef.Flags = flags;
structDef.Fields.Add(fieldDef);
}
this.Structures.Add(structDef);
input.Seek(nextOffset, SeekOrigin.Begin);
}
if (this.FileVersion >= 1)
{
input.Seek(stringOffset, SeekOrigin.Begin);
this.StringTable = new List <string>();
for (uint i = 0; i < stringCount; i++)
{
this.StringTable.Add(input.ReadStringZ(Encoding.UTF8));
}
}
input.Seek(dataOffset, SeekOrigin.Begin);
this.Data = input.ReadToMemoryStream(input.Length - dataOffset);
}
public void Deserialize(Stream input)
{
input.Seek(0, SeekOrigin.Begin);
var magic = input.ReadValueU32(false);
if (magic != 0x47464620)
{
throw new FormatException();
}
var version = input.ReadValueU32(false);
if (version != 0x56342E30 && // 4.0
version != 0x56342E31) // 4.1
{
throw new FormatException("unsupported version");
}
this.FileVersion = (byte)(version - 0x56342E30);
this.FilePlatform = input.ReadValueEnum<GFF.FilePlatform>(false);
this.FormatType = input.ReadValueEnum<GFF.FormatType>(false);
this.FormatVersion = input.ReadValueU32(false);
var littleEndian = this.FilePlatform == GFF.FilePlatform.PC;
var structCount = input.ReadValueU32(littleEndian);
var stringCount = this.FileVersion < 1 ? 0 : input.ReadValueU32(littleEndian);
var stringOffset = this.FileVersion < 1 ? 0 : input.ReadValueU32(littleEndian);
var dataOffset = input.ReadValueU32(littleEndian);
if (this.FileVersion < 1)
{
stringOffset = dataOffset;
}
else
{
if (dataOffset < stringOffset)
{
throw new FormatException();
}
}
this.Structures.Clear();
for (uint i = 0; i < structCount; i++)
{
var structDef = new GFF.StructureDefinition();
//structDef.Id = input.ReadValueU32(littleEndian);
structDef.Id = input.ReadValueU32(false);
var fieldCount = input.ReadValueU32(littleEndian);
var fieldOffset = input.ReadValueU32(littleEndian);
structDef.DataSize = input.ReadValueU32(littleEndian);
long nextOffset = input.Position;
structDef.Fields.Clear();
input.Seek(fieldOffset, SeekOrigin.Begin);
for (uint j = 0; j < fieldCount; j++)
{
var fieldDef = new GFF.FieldDefinition();
fieldDef.Id = input.ReadValueS32(littleEndian);
var rawFlags = input.ReadValueU32(littleEndian);
fieldDef.Offset = input.ReadValueU32(littleEndian);
var type = (ushort)(rawFlags & 0xFFFF);
var flags = (GFF.FieldFlags)((rawFlags >> 16) & 0xFFFF);
if ((flags & GFF.FieldFlags.IsStructure) != 0)
{
flags &= ~GFF.FieldFlags.IsStructure;
fieldDef.Type = GFF.FieldType.Structure;
fieldDef.StructureId = type;
}
else
{
fieldDef.Type = (GFF.FieldType)type;
}
fieldDef.Flags = flags;
structDef.Fields.Add(fieldDef);
}
this.Structures.Add(structDef);
input.Seek(nextOffset, SeekOrigin.Begin);
}
if (this.FileVersion >= 1)
{
input.Seek(stringOffset, SeekOrigin.Begin);
this.StringTable = new List<string>();
for (uint i = 0; i < stringCount; i++)
{
this.StringTable.Add(input.ReadStringZ(Encoding.UTF8));
}
}
input.Seek(dataOffset, SeekOrigin.Begin);
this.Data = input.ReadToMemoryStream(input.Length - dataOffset);
}