FGFS-4.1/OpenSceneGraph
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Added support for animating volume hulls.

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This commit is contained in:
Robert Osfield 2014-03-17 15:54:52 +00:00
parent d703a2df44
commit ed724a730e
4 changed files with 46 additions and 44 deletions
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3
include/osgPresentation/deprecated/SlideShowConstructor
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@ -312,6 +312,8 @@ public:
colorModulate(1.0f,1.0f,1.0f,1.0f),
technique(RayTraced)
{
hullPositionData.position = osg::Vec3(0.0,0.0,0.0);
hullPositionData.frame = osgPresentation::SlideShowConstructor::MODEL;
}
std::string options;
@ -557,6 +559,7 @@ protected:
}
osg::Node* decorateSubgraphForPosition(osg::Node* node, PositionData& positionData);
osg::Node* decorateSubgraphForPositionAndAnimation(osg::Node* node, const PositionData& positionData);
osg::ref_ptr<osgDB::Options> _options;

9
src/osgPlugins/p3d/ReaderWriterP3D.cpp
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@ -1423,15 +1423,8 @@ void ReaderWriterP3DXML::parseVolume(osgPresentation::SlideShowConstructor& cons
osgDB::XmlNode* child = itr->get();
if (match(child->name,"hull"))
{
osgPresentation::SlideShowConstructor::PositionData hullPositionData;
hullPositionData.position = osg::Vec3(0.0,0.0,0.0);
volumeData.hull = child->contents;
if (getProperties(child,hullPositionData))
{
volumeData.hullPositionData = hullPositionData;
}
getProperties(child, volumeData.hullPositionData);
}
}

66
src/osgPresentation/deprecated/SlideShowConstructor.cpp
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@ -2134,21 +2134,12 @@ void SlideShowConstructor::addModel(const std::string& filename, const PositionD
}
void SlideShowConstructor::addModel(osg::Node* subgraph, const PositionData& positionData, const ModelData& modelData, const ScriptData& scriptData)
osg::Node* SlideShowConstructor::decorateSubgraphForPositionAndAnimation(osg::Node* node, const PositionData& positionData)
{
osg::Node* subgraph = node;
osg::Object::DataVariance defaultMatrixDataVariance = osg::Object::DYNAMIC; // STATIC
if (!modelData.effect.empty())
{
if (modelData.effect=="SpecularHighlights" || modelData.effect=="glossy")
{
osgFX::SpecularHighlights* specularHighlights = new osgFX::SpecularHighlights;
specularHighlights->setTextureUnit(1);
specularHighlights->addChild(subgraph);
subgraph = specularHighlights;
}
}
OSG_INFO<<"SlideShowConstructor::decorateSubgraphForPositionAndAnimation() "<<std::endl;
if (positionData.frame==SLIDE)
{
@ -2191,11 +2182,6 @@ void SlideShowConstructor::addModel(osg::Node* subgraph, const PositionData& pos
float referenceSizeRatio = 0.707;
float referenceSize = subgraph->getBound().radius() * referenceSizeRatio;
// attach any meterial animation.
if (positionData.requiresMaterialAnimation())
subgraph = attachMaterialAnimation(subgraph,positionData);
// attached any rotation
if (positionData.rotation[0]!=0.0)
{
@ -2299,6 +2285,32 @@ void SlideShowConstructor::addModel(osg::Node* subgraph, const PositionData& pos
subgraph = animation_transform;
}
return subgraph;
}
void SlideShowConstructor::addModel(osg::Node* subgraph, const PositionData& positionData, const ModelData& modelData, const ScriptData& scriptData)
{
if (!modelData.effect.empty())
{
if (modelData.effect=="SpecularHighlights" || modelData.effect=="glossy")
{
osgFX::SpecularHighlights* specularHighlights = new osgFX::SpecularHighlights;
specularHighlights->setTextureUnit(1);
specularHighlights->addChild(subgraph);
subgraph = specularHighlights;
}
}
// attach any meterial animation.
if (positionData.requiresMaterialAnimation())
subgraph = attachMaterialAnimation(subgraph,positionData);
subgraph = decorateSubgraphForPositionAndAnimation(subgraph, positionData);
findImageStreamsAndAddCallbacks(subgraph);
addToCurrentLayer(subgraph);
@ -2847,27 +2859,13 @@ void SlideShowConstructor::addVolume(const std::string& filename, const Position
}
}
// if (!volumeData.hull.empty())
if (!volumeData.hull.empty())
{
osg::ref_ptr<osg::Node> hull = osgDB::readNodeFile(volumeData.hull, _options.get());
if (hull.valid())
{
if (volumeData.hullPositionData.position!=osg::Vec3(0.0f,0.0f,0.0f) || volumeData.hullPositionData.requiresScale() || volumeData.hullPositionData.requiresRotate())
{
osg::Matrix matrix(osg::Matrix::scale(1.0f/volumeData.hullPositionData.scale.x(),1.0f/volumeData.hullPositionData.scale.y(),1.0f/volumeData.hullPositionData.scale.z())*
osg::Matrix::rotate(osg::DegreesToRadians(volumeData.hullPositionData.rotate[0]),volumeData.hullPositionData.rotate[1],volumeData.hullPositionData.rotate[2],volumeData.hullPositionData.rotate[3])*
osg::Matrix::translate(volumeData.hullPositionData.position));
osg::ref_ptr<osg::MatrixTransform> transform = new osg::MatrixTransform;
transform->setMatrix(osg::Matrix::inverse(matrix));
transform->addChild(hull.get());
tile->addChild(transform.get());
}
else
{
tile->addChild(hull.get());
}
hull = decorateSubgraphForPositionAndAnimation(hull.get(), volumeData.hullPositionData);
tile->addChild(hull.get());
}
}

12
src/osgVolume/MultipassTechnique.cpp
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@ -626,9 +626,17 @@ void MultipassTechnique::init()
}
void MultipassTechnique::update(osgUtil::UpdateVisitor* /*uv*/)
void MultipassTechnique::update(osgUtil::UpdateVisitor* uv)
{
// OSG_NOTICE<<"MultipassTechnique:update(osgUtil::UpdateVisitor* nv):"<<std::endl;
// OSG_NOTICE<<"MultipassTechnique:update(osgUtil::UpdateVisitor* uv):"<<std::endl;
if (getVolumeTile()->getNumChildren()>0)
{
getVolumeTile()->osg::Group::traverse(*uv);
}
else
{
_transform->accept(*uv);
}
}
void MultipassTechnique::backfaceSubgraphCullTraversal(osgUtil::CullVisitor* cv)