public GeometricTransformAttributeElement(Stream stream)
: base(stream)
{
StoredValuesMask = StreamUtils.ReadUInt16(stream);
var elementValueList = new List <Single>(16);
var storedValuesMask = StoredValuesMask;
for (int i = 0, c = 16; i < c; ++i)
{
if ((storedValuesMask & 0x8000) > 0)
{
var value = StreamUtils.ReadFloat(stream);
elementValueList.Add(value);
TransformationMatrix[i] = value;
}
storedValuesMask = (UInt16)(storedValuesMask << 1);
}
ElementValues = elementValueList.ToArray();
}
public RGB(Stream stream)
: base()
{
data = new Single[]
{
StreamUtils.ReadFloat(stream),
StreamUtils.ReadFloat(stream),
StreamUtils.ReadFloat(stream)
};
}
public PropertyProxyMetaDataElement(Stream stream)
{
PropertyKeys = new List <MbString>();
PropertyValueTypes = new List <byte>();
PropertyValues = new List <object>();
var propertyKey = new MbString(stream);
while (propertyKey.Count > 0)
{
PropertyKeys.Add(propertyKey);
var propertyValueType = StreamUtils.ReadByte(stream);
PropertyValueTypes.Add(propertyValueType);
switch (propertyValueType)
{
case 1:
{
PropertyValues.Add(new MbString(stream)); // MbString
break;
}
case 2:
{
PropertyValues.Add(StreamUtils.ReadInt32(stream)); // Int32
break;
}
case 3:
{
PropertyValues.Add(StreamUtils.ReadFloat(stream)); // Single
break;
}
case 4:
{
PropertyValues.Add(new Date(stream)); // Date
break;
}
default:
{
throw new Exception(String.Format("Property Value Type {0} is not recognised.", propertyValueType));
}
}
propertyKey = new MbString(stream);
}
}
public RGBA(Stream stream)
: base(stream)
{
data = new Single[]
{
base.Red,
base.Green,
base.Blue,
StreamUtils.ReadFloat(stream)
};
}
public BaseShapeNodeElement(Stream stream)
: base(stream)
{
TransformedBBox = new BBoxF32(stream);
UntransformedBBox = new BBoxF32(stream);
Area = StreamUtils.ReadFloat(stream);
VertexCountRange = new CountRange(stream);
NodeCountRange = new CountRange(stream);
PolygonCountRange = new CountRange(stream);
Size = StreamUtils.ReadInt32(stream);
CompressionLevel = StreamUtils.ReadFloat(stream);
}
public PartitionNodeElement(Stream stream)
: base(stream)
{
PartitionFlags = StreamUtils.ReadInt32(stream);
FileName = new MbString(stream);
TransformedBBox = new BBoxF32(stream);
Area = StreamUtils.ReadFloat(stream);
VertexCountRange = new CountRange(stream);
NodeCountRange = new CountRange(stream);
PolygonCountRange = new CountRange(stream);
if ((PartitionFlags & 0x00000001) != 0)
{
UntransformedBBox = new BBoxF32(stream);
}
}
public MaterialAttributeElement(Stream stream)
: base(stream)
{
DataFlags = StreamUtils.ReadUInt16(stream);
var patternBitsAreUsed = (DataFlags & 0x0001) > 0;
if (patternBitsAreUsed && (DataFlags & 0x0002) > 0)
{
AmbientCommonRGBValue = StreamUtils.ReadFloat(stream);
}
else
{
AmbientColour = new RGBA(stream);
}
DiffuseColour = new RGBA(stream);
if (patternBitsAreUsed && (DataFlags & 0x0008) > 0)
{
SpecularCommonRGBValue = StreamUtils.ReadFloat(stream);
}
else
{
SpecularColour = new RGBA(stream);
}
if (patternBitsAreUsed && (DataFlags & 0x0004) > 0)
{
EmissionCommonRGBValue = StreamUtils.ReadFloat(stream);
}
else
{
EmissionColour = new RGBA(stream);
}
Shininess = StreamUtils.ReadFloat(stream);
}
public VertexBasedShapeCompressedRepData(Stream stream)
{
VersionNumber = StreamUtils.ReadInt16(stream);
NormalBinding = StreamUtils.ReadByte(stream);
TextureCoordBinding = StreamUtils.ReadByte(stream);
ColourBinding = StreamUtils.ReadByte(stream);
QuantizationParameters = new QuantizationParameters(stream);
var primitiveListIndices = Int32CompressedDataPacket.GetArrayI32(stream, Int32CompressedDataPacket.PredictorType.Stride1);
MemoryStream vertexDataStream;
if (QuantizationParameters.BitsPerVertex == 0)
{
LosslessCompressedRawVertexData = new LosslessCompressedRawVertexData(stream);
vertexDataStream = new MemoryStream(LosslessCompressedRawVertexData.VertexData);
}
else
{
throw new NotImplementedException("LossyQuantizedRawVertexData NOT IMPLEMENTED");
}
var readNormals = NormalBinding == 1;
var readTextureCoords = TextureCoordBinding == 1;
var readColours = ColourBinding == 1;
var vertexEntrySize = 3 + (readNormals ? 3 : 0) + (readTextureCoords ? 2 : 0) + (readColours ? 3 : 0);
var vertexEntryCount = (vertexDataStream.Length / 4) / vertexEntrySize;
var vertexPositions = new float[vertexEntryCount][];
var vertexNormals = readNormals ? new float[vertexEntryCount][] : null;
var vertexColours = readColours ? new float[vertexEntryCount][] : null;
var vertexTextureCoordinates = readTextureCoords ? new float[vertexEntryCount][] : null;
for (int i = 0; i < vertexEntryCount; ++i)
{
if (readTextureCoords)
{
vertexTextureCoordinates[i] = new float[] { StreamUtils.ReadFloat(vertexDataStream), StreamUtils.ReadFloat(vertexDataStream) }
}
;
if (readColours)
{
vertexColours[i] = new float[] { StreamUtils.ReadFloat(vertexDataStream), StreamUtils.ReadFloat(vertexDataStream), StreamUtils.ReadFloat(vertexDataStream) }
}
;
if (readNormals)
{
vertexNormals[i] = new float[] { StreamUtils.ReadFloat(vertexDataStream), StreamUtils.ReadFloat(vertexDataStream), StreamUtils.ReadFloat(vertexDataStream) }
}
;
vertexPositions[i] = new float[] { StreamUtils.ReadFloat(vertexDataStream), StreamUtils.ReadFloat(vertexDataStream), StreamUtils.ReadFloat(vertexDataStream) };
}
Positions = vertexPositions;
Normals = vertexNormals;
var triStripCount = primitiveListIndices.Length - 1;
var triStrips = new int[triStripCount][];
for (int triStripIndex = 0; triStripIndex < triStripCount; ++triStripIndex)
{
var startIndex = primitiveListIndices[triStripIndex];
var endIndex = primitiveListIndices[triStripIndex + 1];
var indicesCount = endIndex - startIndex;
var indices = new int[indicesCount];
for (int i = 0; i < indicesCount; ++i)
{
indices[i] = startIndex + i;
}
triStrips[triStripIndex] = indices;
}
TriStrips = triStrips;
}
}
}
public UniformQuantizerData(Stream stream)
{
Min = StreamUtils.ReadFloat(stream);
Max = StreamUtils.ReadFloat(stream);
NumberOfBits = StreamUtils.ReadByte(stream);
}
public FloatingPointPropertyAtomElement(Stream stream)
: base(stream)
{
Value = StreamUtils.ReadFloat(stream);
}
