/// <summary>
///
/// </summary>
/// <param name="reader"></param>
public FieldInfo(BinaryReader reader)
{
Value = reader.ReadByte();
Size = 0;
ArrayIndex = 0;
switch (SizeForm)
{
case FieldTypeSize.Size1: Size = 1; break;
case FieldTypeSize.Size2: Size = 2; break;
case FieldTypeSize.Size4: Size = 4; break;
case FieldTypeSize.Size12: Size = 12; break;
case FieldTypeSize.Size16: Size = 16; break;
case FieldTypeSize.SizeByte: Size = reader.ReadByte(); break;
case FieldTypeSize.SizeShort: Size = reader.ReadUInt16(); break;
case FieldTypeSize.SizeInt: Size = reader.ReadInt32(); break;
default: throw new Exception();
}
if (IsArray && Type != FieldTypeBase.Boolean)
{
ArrayIndex = UIndex.Read(reader);
}
}
/// <summary></summary>
public override object Read(object target, Package package, System.IO.BinaryReader reader, long end)
{
int count = UIndex.Read(reader);
if (count != 0)
{
throw new Exception();
}
return(count);
}
internal void Load(BinaryReader reader)
{
ObjectClassReference = Package.ReadReference(reader);
SuperClassReference = Package.ReadReference(reader);
Group = reader.ReadInt32();
Name = Package.ReadNameValue(reader);
Flags = (ExportFlag)reader.ReadUInt32();
Size = UIndex.Read(reader);
if (Size != 0)
{
Offset = UIndex.Read(reader);
}
}
/// <summary></summary>
public static List <T> ReadIndexCountList <T>(this BinaryReader reader, Func <T> function, bool nullIfEmpty = false)
{
int count = UIndex.Read(reader);
if (count == 0 && nullIfEmpty)
{
return(null);
}
var list = new List <T>(count);
for (int index = 0; index < count; index++)
{
list.Add(function());
}
return(list);
}
/// <summary></summary>
public static T[] ReadIndexCountArray <T>(this BinaryReader reader, Func <T> function, bool nullIfEmpty = false)
{
int count = UIndex.Read(reader);
if (count == 0 && nullIfEmpty)
{
return(null);
}
var array = new T[count];
for (int index = 0; index < count; index++)
{
array[index] = function();
}
return(array);
}
/// <summary></summary>
public override object Read(object target, Package package, BinaryReader reader, long end)
{
int count = UIndex.Read(reader);
if (count == 0)
{
return(null);
}
SCG.List <T> result = new SCG.List <T>(count);
for (var index = 0; index < count; index++)
{
var value = new T();
value.Package = package;
value.Load(reader, end);
result.Add(value);
}
return(result);
}
static object LoadSingle(Package package, BinaryReader reader, FieldInfo info, bool inArray = false)
{
if (info.Size < 1)
{
throw new Exception();
}
switch (info.Type)
{
case FieldTypeBase.Byte:
if (!inArray && info.Size != 1)
{
throw new Exception();
}
return(reader.ReadByte());
case FieldTypeBase.Float:
if (!inArray && info.Size != 4)
{
throw new Exception();
}
return(reader.ReadSingle());
case FieldTypeBase.Integer:
if (!inArray && info.Size != 4)
{
throw new Exception();
}
return(reader.ReadInt32());
case FieldTypeBase.Name:
return(package.ReadNameIndex(reader).Value);
case FieldTypeBase.Object:
return(package.ReadReference(reader));
case FieldTypeBase.Str:
var stringLength = reader.ReadByte();
if (stringLength != info.Size - 1)
{
throw new Exception("String length isn't the field size minus 1.");
}
return(reader.ReadStringz(stringLength, Encoding.ASCII));
case FieldTypeBase.Struct:
string name;
if (info.IsLiteralSizeForm)
{
name = package.Names[info.Size].Value;
info.Size = UIndex.Read(reader);
}
else
{
name = package.ReadNameIndex(reader).Value;
}
var end = reader.BaseStream.Position + info.Size;
object result;
switch (name)
{
case "InitialAllianceInfo":
result = InitialAllianceInfo.Read(reader, package);
break;
case "PointRegion":
if (!inArray && info.Size < 6)
{
throw new Exception("PointRegion structure size must be at least 6 bytes.");
}
result = PointRegion.Read(reader, package);
break;
case "Rotator":
result = Rotator.Read(reader);
break;
case "Scale":
if (!inArray && info.Size != 17)
{
throw new Exception("Scale structure size is a constant 17 bytes.");
}
result = Scale.Read(reader);
break;
case "Vector":
if (!inArray && info.Size != 12)
{
throw new Exception("Vector structure size is a constant 12 bytes.");
}
result = reader.ReadVector3f();
break;
default:
throw new Exception("Unhandled or unknown struct type " + name + ".");
}
if (!inArray && reader.BaseStream.Position != end)
{
throw new Exception("Structure wasn't fully devoured or was overconsumed.");
}
return(result);
default:
throw new Exception("Unknown or unhandled type " + info.Type + ".");
}
}
/// <summary></summary>
public override object Read(object target, Package package, BinaryReader reader, long end)
{
int length = UIndex.Read(reader);
return(reader.ReadStringz(length, Encoding.ASCII));
}
/// <summary></summary>
public override object Read(object target, Package package, BinaryReader reader, long end)
{
return((int)UIndex.Read(reader));
}
public override object Read(object target, Package package, BinaryReader reader, long end)
{
int count = UIndex.Read(reader); return(reader.ReadBytes(count));
}
/// <summary>
/// Read a <see cref="Name"/> reference from the <see cref="BinaryReader"/>.
/// </summary>
/// <param name="reader">The <see cref="BinaryReader"/> to read from.</param>
/// <returns>The <see cref="Name"/> object.</returns>
public Name ReadNameIndex(BinaryReader reader)
{
int index = UIndex.Read(reader);
return(Names[index]);
}
/// <summary>Read a reference from the <see cref="BinaryReader"/>.</summary>
/// <param name="reader">The <see cref="BinaryReader"/> to read from.</param>
/// <returns>The resolved reference or <c>null</c>.</returns>
public Reference ReadReference(BinaryReader reader)
{
int index = UIndex.Read(reader);
return(ResolveReference(index));
}