statesetupdater.hpp

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#ifndef OPENMW_COMPONENTS_SCENEUTIL_STATESETCONTROLLER_H
#define OPENMW_COMPONENTS_SCENEUTIL_STATESETCONTROLLER_H

#include <osg/NodeCallback>

namespace SceneUtil
{

    class StateSetUpdater : public osg::NodeCallback
    {
    public:
        StateSetUpdater();
        StateSetUpdater(const StateSetUpdater& copy, const osg::CopyOp& copyop);

        META_Object(SceneUtil, StateSetUpdater)

        virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);

        virtual void apply(osg::StateSet* stateset, osg::NodeVisitor* nv) {}

        virtual void setDefaults(osg::StateSet* stateset) {}

    protected:
        void reset();

    private:
        osg::ref_ptr<osg::StateSet> mStateSets[2];
    };

    class CompositeStateSetUpdater : public StateSetUpdater
    {
    public:
        CompositeStateSetUpdater();
        CompositeStateSetUpdater(const CompositeStateSetUpdater& copy, const osg::CopyOp& copyop);

        META_Object(SceneUtil, CompositeStateSetUpdater)

        unsigned int getNumControllers();
        StateSetUpdater* getController(int i);

        void addController(StateSetUpdater* ctrl);

        virtual void apply(osg::StateSet* stateset, osg::NodeVisitor* nv);

    protected:

        virtual void setDefaults(osg::StateSet *stateset);

        std::vector<osg::ref_ptr<StateSetUpdater> > mCtrls;
    };

}

#endif