Method LoadBufferView

IO/Geometry/vtkGLTFDocumentLoaderInternals.cxx:470–509

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//------------------------------------------------------------------------------
bool vtkGLTFDocumentLoaderInternals::LoadBufferView(
  const nlohmann::json& root, vtkGLTFDocumentLoader::BufferView& bufferView)
{
  if (root.empty() || !root.is_object())
  {
    vtkErrorWithObjectMacro(this->Self, "Invalid bufferView value");
    return false;
  }
  bufferView.Name = "";
  vtkGLTFUtils::GetStringValue(root, "name", bufferView.Name);

  if (!vtkGLTFUtils::GetIntValue(root, "buffer", bufferView.Buffer))
  {
    vtkErrorWithObjectMacro(
      this->Self, "Invalid bufferView.buffer value for bufferView " << bufferView.Name);
    return false;
  }
  if (!vtkGLTFUtils::GetIntValue(root, "byteLength", bufferView.ByteLength))
  {
    vtkErrorWithObjectMacro(
      this->Self, "Invalid bufferView.bytelength value for bufferView " << bufferView.Name);
    return false;
  }
  bufferView.ByteOffset = 0;
  bufferView.ByteStride = 0;
  bufferView.Target = 0;
  vtkGLTFUtils::GetIntValue(root, "byteOffset", bufferView.ByteOffset);
  vtkGLTFUtils::GetIntValue(root, "byteStride", bufferView.ByteStride);
  vtkGLTFUtils::GetIntValue(root, "target", bufferView.Target);
  if (bufferView.Target != 0 &&
    bufferView.Target !=
      static_cast<unsigned short>(vtkGLTFDocumentLoader::Target::ELEMENT_ARRAY_BUFFER) &&
    bufferView.Target != static_cast<unsigned short>(vtkGLTFDocumentLoader::Target::ARRAY_BUFFER))
  {
    vtkErrorWithObjectMacro(this->Self,
      "Invalid bufferView.target value. Expecting ARRAY_BUFFER or ELEMENT_ARRAY_BUFFER");
    return false;
  }
  return true;
}

//------------------------------------------------------------------------------
bool vtkGLTFDocumentLoaderInternals::LoadCamera(