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From Farshid Lashkari, "I've attached a small change to the DAE writer to support writing out unknown transform types. It will essentially treat it as a matrix transform, using the the local to world matrix value."

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This commit is contained in:
Robert Osfield 2014-01-07 16:29:22 +00:00
parent 7bc373a056
commit d48091d37e
1 changed files with 39 additions and 2 deletions
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41
src/osgPlugins/dae/daeWTransforms.cpp
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@ -280,8 +280,45 @@ void daeWriter::apply( osg::Transform &node )
}
else
{
currentNode->setId(getNodeName(node, "transform").c_str());
OSG_WARN << "some other transform type. Missing " << node.getNumChildren() << " children" << std::endl;
std::string nodeName = getNodeName(node, "transform");
currentNode->setId(nodeName.c_str());
// Unknown transform type, just use local to world matrix
osg::Matrix matrix;
node.computeLocalToWorldMatrix(matrix, NULL);
osg::NodeCallback* ncb = node.getUpdateCallback();
bool handled = false;
if (ncb)
{
osgAnimation::UpdateMatrixTransform* ut = dynamic_cast<osgAnimation::UpdateMatrixTransform*>(ncb);
// If targeted by an animation we split up the matrix into multiple place element so they can be targeted individually
if (ut)
{
handled = true;
// Note: though this is a generic matrix, based on the fact that it will be animated by and UpdateMatrixTransform,
// we assume the initial matrix can be decomposed into translation, rotation and scale elements
writeUpdateTransformElements(matrix.getTrans(), matrix.getRotate(), matrix.getScale());
}
}
// If not targeted by an animation simply write a single matrix place element
if (!handled)
{
domMatrix *mat = daeSafeCast< domMatrix >(currentNode->add( COLLADA_ELEMENT_MATRIX ) );
nodeName += "_matrix";
mat->setSid(nodeName.c_str());
const osg::Matrix::value_type *mat_vals = matrix.ptr();
for ( int i = 0; i < 4; i++ )
{
for ( int j = 0; j < 4; j++ )
{
mat->getValue().append( mat_vals[i + j*4] );
}
}
}
}
}