snlocator.h

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// This abstract class defines an interface. There is no implementation.

#ifndef VART_SNLOCATOR_H
#define VART_SNLOCATOR_H

#include "vart/snoperator.h"
#include "vart/sgpath.h"

namespace VART {
    class SceneNode;
    class SNLocator : public SNOperator
    {
        public:
        // PUBLIC STATIC METHODS
        // PUBLIC METHODS
            SNLocator();
            virtual ~SNLocator() {}

            virtual void OperateOn(const SceneNode* nodePtr) = 0;

            bool NotFinished() const { return notFinished; }

            bool Finished() const { return !notFinished; }

            const SGPath& Path() const { return path; }

            void AddNodeToPath(SceneNode* nodePtr);

            virtual void Reset();

            const SceneNode* LocatedNode() const { return nodePtr; }
        protected:
        // PROTECTED STATIC METHODS
        // PROTECTED METHODS
        // PROTECTED STATIC ATTRIBUTES
        // PROTECTED ATTRIBUTES
            bool notFinished;
            SGPath path;
            const SceneNode* nodePtr;
    }; // end class declaration
} // end namespace

#endif