/*!
    \file state.h
    \brief Definition of the States-singleton Class
*/

#ifndef _STATE_H
#define _STATE_H

#include "base_object.h"

// FORWARD DEFINITION
class PNode;

//! A Singleton class, that handles some states about orxonox's objects
class State : public BaseObject {

 public:
  /** \returns a Pointer to the only object of this Class */
  inline static State* getInstance(void) { if (!singletonRef) singletonRef = new State();  return singletonRef; };

  virtual ~State(void);

  void setCamera(const PNode* camera, const PNode* cameraTarget);
  /** \returns a Pointer to the PNode of the Camera */
  const PNode* getCamera(void) const { return this->camera; };
  /** \returns a Pointer to the CameraTarget */
  const PNode* getCameraTarget(void) const { return this->cameraTarget; };

 private:
  State(void);
  static State*       singletonRef;       //!< a reference to this class

  const PNode*        camera;             //!< A reference to the camera
  const PNode*        cameraTarget;       //!< a reference to the cameraTarget
};

#endif /* _STATE_H */