static void DecomposeSingle(XmbVariant v, out RawVariantType t, out uint data)
{
t = RawVariantType.Single;
float single = v.Single;
if (SingleFixedPoint.InRange(single))
{
t = RawVariantType.FixedPoint;
data = SingleFixedPoint.FromSingle(single);
}
else if (Bitwise.Single24.InRange(single))
{
t = RawVariantType.Single24;
data = Bitwise.Single24.FromSingle(single);
}
else
{
data = v.Offset;
}
}
static void Compose(out XmbVariant v, uint data)
{
v = XmbVariant.Empty;
RawVariantType type = GetType(data);
RawVariantLength length = GetLength(data);
RawVariantFlags flags = GetFlags(data);
// Get the actual data value
data &= kValueBitMask;
switch (type)
{
#region Single
case RawVariantType.Single24:
v.Type = XmbVariantType.Single;
v.Single = Bitwise.Single24.ToSingle(data);
break;
case RawVariantType.Single:
v.Type = XmbVariantType.Single;
v.IsIndirect = (flags & RawVariantFlags.Offset) != 0; // should always be true
v.Offset = data;
break;
case RawVariantType.FixedPoint:
v.Type = XmbVariantType.Single;
v.Single = SingleFixedPoint.ToSingle(data);
break;
#endregion
#region Int
case RawVariantType.Int24:
Int24ToVariant(ref v, flags, data);
break;
case RawVariantType.Int:
v.Type = XmbVariantType.Int;
v.IsUnsigned = (flags & RawVariantFlags.Unsigned) != 0;
v.IsIndirect = (flags & RawVariantFlags.Offset) != 0; // should always be true
v.Offset = data;
break;
#endregion
#region Double
case RawVariantType.Double:
v.Type = XmbVariantType.Double;
v.IsIndirect = (flags & RawVariantFlags.Offset) != 0; // should always be true
v.Offset = data;
break;
#endregion
#region Bool
case RawVariantType.Bool:
v.Type = XmbVariantType.Bool;
v.Bool = data != 0;
break;
#endregion
#region String
case RawVariantType.StringAnsi:
v.Type = XmbVariantType.String;
v.IsIndirect = (flags & RawVariantFlags.Offset) != 0;
v.IsUnicode = false;
break;
case RawVariantType.StringUnicode:
v.Type = XmbVariantType.String;
v.IsIndirect = (flags & RawVariantFlags.Offset) != 0;
v.IsUnicode = true;
break;
#endregion
#region Vector
case RawVariantType.Vector:
v.Type = XmbVariantType.Vector;
v.VectorLength = RawLengthToByte(length);
v.IsIndirect = (flags & RawVariantFlags.Offset) != 0; // should always be true
v.Offset = data;
break;
#endregion
}
if (v.Type == XmbVariantType.String)
{
StringToVariant(ref v, data);
}
}
public static bool SingleRequiresIndirectStorage(float single)
{
return(!SingleFixedPoint.InRange(single) && !Bitwise.Single24.InRange(single));
}
