public VertexShapeLODElement(Stream stream)
{
versionNumber = StreamUtils.ReadInt16(stream);
BindingAttributes = StreamUtils.ReadInt32(stream);
QuantizationParameters = new QuantizationParameters(stream);
}
public Date(Stream stream)
{
data = new Int16[6];
for (int i = 0, c = data.Length; i < c; ++i)
{
data[i] = StreamUtils.ReadInt16(stream);
}
}
public PropertyTable(Stream stream)
{
VersionNumber = StreamUtils.ReadInt16(stream);
NodePropertyTableCount = StreamUtils.ReadInt32(stream);
NodeObjectIDs = new Int32[NodePropertyTableCount];
NodePropertyTables = new NodePropertyTable[NodePropertyTableCount];
for (int i = 0; i < NodePropertyTableCount; ++i)
{
NodeObjectIDs[i] = StreamUtils.ReadInt32(stream);
NodePropertyTables[i] = new NodePropertyTable(stream);
}
}
public MetaDataNodeElement(Stream stream) : base(stream)
{
versionNumber = StreamUtils.ReadInt16(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 TriStripSetShapeLODElement(Stream stream)
: base(stream)
{
versionNumber = StreamUtils.ReadInt16(stream);
VertexBasedShapeCompressedRepData = new VertexBasedShapeCompressedRepData(stream);
}
public GUID(Stream stream)
{
guid = new Guid(StreamUtils.ReadInt32(stream), StreamUtils.ReadInt16(stream), StreamUtils.ReadInt16(stream), StreamUtils.ReadBytes(stream, 8, false));
}
public PartNodeElement(Stream stream)
: base(stream)
{
versionNumber = StreamUtils.ReadInt16(stream);
reservedField = StreamUtils.ReadInt32(stream);
}
