#include <utility>
+#include <boost/foreach.hpp>
+
#include <osg/ref_ptr>
#include <osgDB/FileNameUtils>
#include <osgDB/FileUtils>
#include <osgDB/ReadFile>
#include <osgDB/SharedStateManager>
+#include <simgear/math/SGMath.hxx>
+#include <simgear/scene/material/Effect.hxx>
+#include <simgear/scene/material/EffectGeode.hxx>
#include <simgear/scene/util/SGSceneFeatures.hxx>
#include <simgear/scene/util/SGSceneUserData.hxx>
+#include <simgear/scene/util/CopyOp.hxx>
+#include <simgear/scene/util/SplicingVisitor.hxx>
+
#include <simgear/structure/exception.hxx>
+#include <simgear/structure/Singleton.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/props_io.hxx>
#include <simgear/props/condition.hxx>
+#include "SGReaderWriterXMLOptions.hxx"
#include "model.hxx"
using std::vector;
namespace simgear
{
+using namespace std;
using namespace osg;
+using simgear::CopyOp;
Node* copyModel(Node* model)
{
- CopyOp::CopyFlags flags = CopyOp::DEEP_COPY_ALL;
- flags &= ~CopyOp::DEEP_COPY_TEXTURES;
- flags &= ~CopyOp::DEEP_COPY_IMAGES;
- flags &= ~CopyOp::DEEP_COPY_STATESETS;
- flags &= ~CopyOp::DEEP_COPY_STATEATTRIBUTES;
- flags &= ~CopyOp::DEEP_COPY_ARRAYS;
- flags &= ~CopyOp::DEEP_COPY_PRIMITIVES;
- // This will preserve display lists ...
- flags &= ~CopyOp::DEEP_COPY_DRAWABLES;
- flags &= ~CopyOp::DEEP_COPY_SHAPES;
- return static_cast<Node*>(model->clone(CopyOp(flags)));
+ const CopyOp::CopyFlags flags = (CopyOp::DEEP_COPY_ALL
+ & ~CopyOp::DEEP_COPY_TEXTURES
+ & ~CopyOp::DEEP_COPY_IMAGES
+ & ~CopyOp::DEEP_COPY_STATESETS
+ & ~CopyOp::DEEP_COPY_STATEATTRIBUTES
+ & ~CopyOp::DEEP_COPY_ARRAYS
+ & ~CopyOp::DEEP_COPY_PRIMITIVES
+ // This will preserve display lists ...
+ & ~CopyOp::DEEP_COPY_DRAWABLES
+ & ~CopyOp::DEEP_COPY_SHAPES);
+ return (CopyOp(flags))(model);
}
TextureUpdateVisitor::TextureUpdateVisitor(const osgDB::FilePathList& pathList) :
node.traverse(*this);
}
+namespace
+{
+class MakeEffectVisitor : public SplicingVisitor
+{
+public:
+ typedef std::map<string, SGPropertyNode_ptr> EffectMap;
+ using SplicingVisitor::apply;
+ MakeEffectVisitor(const SGReaderWriterXMLOptions* options = 0)
+ : _options(options)
+ {
+ }
+ virtual void apply(osg::Group& node);
+ virtual void apply(osg::Geode& geode);
+ EffectMap& getEffectMap() { return _effectMap; }
+ const EffectMap& getEffectMap() const { return _effectMap; }
+ void setDefaultEffect(SGPropertyNode* effect)
+ {
+ _currentEffectParent = effect;
+ }
+ SGPropertyNode* getDefaultEffect() { return _currentEffectParent; }
+protected:
+ EffectMap _effectMap;
+ SGPropertyNode_ptr _currentEffectParent;
+ osg::ref_ptr<const SGReaderWriterXMLOptions> _options;
+};
+
+void MakeEffectVisitor::apply(osg::Group& node)
+{
+ SGPropertyNode_ptr savedEffectRoot;
+ const string& nodeName = node.getName();
+ bool restoreEffect = false;
+ if (!nodeName.empty()) {
+ EffectMap::iterator eitr = _effectMap.find(nodeName);
+ if (eitr != _effectMap.end()) {
+ savedEffectRoot = _currentEffectParent;
+ _currentEffectParent = eitr->second;
+ restoreEffect = true;
+ }
+ }
+ SplicingVisitor::apply(node);
+ // If a new node was created, copy the user data too.
+ ref_ptr<SGSceneUserData> userData = SGSceneUserData::getSceneUserData(&node);
+ if (userData.valid() && _childStack.back().back().get() != &node)
+ _childStack.back().back()->setUserData(new SGSceneUserData(*userData));
+ if (restoreEffect)
+ _currentEffectParent = savedEffectRoot;
+}
+
+void MakeEffectVisitor::apply(osg::Geode& geode)
+{
+ if (pushNode(getNewNode(geode)))
+ return;
+ osg::StateSet* ss = geode.getStateSet();
+ if (!ss) {
+ pushNode(&geode);
+ return;
+ }
+ SGPropertyNode_ptr ssRoot = new SGPropertyNode;
+ makeParametersFromStateSet(ssRoot, ss);
+ SGPropertyNode_ptr effectRoot = new SGPropertyNode;
+ effect::mergePropertyTrees(effectRoot, ssRoot, _currentEffectParent);
+ Effect* effect = makeEffect(effectRoot, true, _options.get());
+ EffectGeode* eg = dynamic_cast<EffectGeode*>(&geode);
+ if (eg) {
+ eg->setEffect(effect);
+ } else {
+ eg = new EffectGeode;
+ eg->setEffect(effect);
+ ref_ptr<SGSceneUserData> userData = SGSceneUserData::getSceneUserData(&geode);
+ if (userData.valid())
+ eg->setUserData(new SGSceneUserData(*userData));
+ for (unsigned i = 0; i < geode.getNumDrawables(); ++i) {
+ osg::Drawable *drawable = geode.getDrawable(i);
+ eg->addDrawable(drawable);
+
+ // Generate tangent vectors etc if needed
+ osg::Geometry *geom = dynamic_cast<osg::Geometry*>(drawable);
+ if(geom) eg->runGenerators(geom);
+ }
+ }
+ pushResultNode(&geode, eg);
+
+}
+
+}
+
+namespace
+{
+class DefaultEffect : public simgear::Singleton<DefaultEffect>
+{
+public:
+ DefaultEffect()
+ {
+ _effect = new SGPropertyNode;
+ makeChild(_effect.ptr(), "inherits-from")
+ ->setStringValue("Effects/model-default");
+ }
+ virtual ~DefaultEffect() {}
+ SGPropertyNode* getEffect() { return _effect.ptr(); }
+protected:
+ SGPropertyNode_ptr _effect;
+};
+}
+
+ref_ptr<Node> instantiateEffects(osg::Node* modelGroup,
+ PropertyList& effectProps,
+ const SGReaderWriterXMLOptions* options)
+{
+ SGPropertyNode_ptr defaultEffectPropRoot;
+ MakeEffectVisitor visitor(options);
+ MakeEffectVisitor::EffectMap& emap = visitor.getEffectMap();
+ for (PropertyList::iterator itr = effectProps.begin(),
+ end = effectProps.end();
+ itr != end;
+ ++itr)
+ {
+ SGPropertyNode_ptr configNode = *itr;
+ std::vector<SGPropertyNode_ptr> objectNames =
+ configNode->getChildren("object-name");
+ SGPropertyNode* defaultNode = configNode->getChild("default");
+ if (defaultNode && defaultNode->getValue<bool>())
+ defaultEffectPropRoot = configNode;
+ BOOST_FOREACH(SGPropertyNode_ptr objNameNode, objectNames) {
+ emap.insert(make_pair(objNameNode->getStringValue(), configNode));
+ }
+ configNode->removeChild("default");
+ configNode->removeChildren("object-name");
+ }
+ if (!defaultEffectPropRoot)
+ defaultEffectPropRoot = DefaultEffect::instance()->getEffect();
+ visitor.setDefaultEffect(defaultEffectPropRoot.ptr());
+ modelGroup->accept(visitor);
+ osg::NodeList& result = visitor.getResults();
+ return ref_ptr<Node>(result[0].get());
+}
}
// end of model.cxx
projects / simgear.git / blobdiff