/*
Convert an OpenCOLLADA's FloatOrDoubleArray type to a GLTFBufferView
Note: the resulting GLTFBufferView is not typed, it's the call responsability to keep track of the type if needed.
*/
shared_ptr <GLTFBufferView> convertFloatOrDoubleArrayToGLTFBufferView(const COLLADAFW::FloatOrDoubleArray &floatOrDoubleArray) {
unsigned char* sourceData = 0;
size_t sourceSize = 0;
switch (floatOrDoubleArray.getType()) {
case COLLADAFW::MeshVertexData::DATA_TYPE_FLOAT: {
const COLLADAFW::FloatArray* array = floatOrDoubleArray.getFloatValues();
sourceData = (unsigned char*)array->getData();
sourceSize = array->getCount() * sizeof(float);
}
break;
case COLLADAFW::MeshVertexData::DATA_TYPE_DOUBLE: {
const COLLADAFW::DoubleArray* array = floatOrDoubleArray.getDoubleValues();
sourceData = (unsigned char*)array->getData();
sourceSize = array->getCount() * sizeof(double);
}
break;
default:
case COLLADAFW::MeshVertexData::DATA_TYPE_UNKNOWN:
//FIXME report error
break;
}
unsigned char* copiedData = (unsigned char*)malloc(sourceSize);
memcpy(copiedData, sourceData, sourceSize);
shared_ptr <GLTF::GLTFBufferView> bufferView = createBufferViewWithAllocatedBuffer(copiedData, 0, sourceSize, true);
return bufferView;
}
float bc_get_float_value(const COLLADAFW::FloatOrDoubleArray& array, unsigned int index)
{
if (index >= array.getValuesCount())
return 0.0f;
if (array.getType() == COLLADAFW::MeshVertexData::DATA_TYPE_FLOAT)
return array.getFloatValues()->getData()[index];
else
return array.getDoubleValues()->getData()[index];
}