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S5camera.h

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// ///////////////////  ***********************  \\\\\\\\\\\\\\\\\\\\ \\
//
//  This file is part of the Sector 5, 3D graphic game.
//  Copyright (C) 2000-2002 by PC John. All rights reserved.
//
//  This game is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public License
//  version 2.1 as published by the Free Software Foundation. See the
//  file LICENSE.LGPL at the root directory of the distribution for
//  more details.
//
//  If you want to use Sector 5 code for applications not compatible 
//  with the LGPL license, please contact PC John at pcjohn@email.cz.
//
// \\\\\\\\\\\\\\\\\\\  ***********************  //////////////////// //


#ifndef S5_CAMERA_H_INCLUDED_
#define S5_CAMERA_H_INCLUDED_

#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/nodes/SoCamera.h>
#include "S5Object.h"

class SoTransformSeparator;
class SoMatrixTransform;
class SoCallback;
class SbMatrix;



class S5camera : public SoSeparator
{

  SO_NODE_HEADER(S5camera);

public:

  SoCamera* getCamera()  { return camera; };
  void setCamera(SoCamera *newCamera);

  S5object* getCameraOwner()  { return cameraOwner; };
  void setCameraOwner(S5object *newOwner);

  SoNode* getSceneGraph()  { return sceneGraph; };
  void setSceneGraph(SoNode *newGraph);

  void resetCameraModifications();
  void resetPreviousCameraModifications();
  static void resetAllCamerasModifications();

  S5camera();

SoINTERNAL public:

        static void initClass();

protected:

  virtual ~S5camera();

  static void callbackCB(void *userData, SoAction *action);

private:

  SoTransformSeparator *cameraSep;
  SoMatrixTransform *cameraTrans;
  SoCamera *camera;
  SoCallback *callback;
  SoNode *sceneGraph;

  bool cameraOwnerRemoved;
  S5object *cameraOwner;
  SoPath *pathToCameraOwner;

  bool checkPathConsistency();
  bool updatePath();
  void getCameraTransformation(SbMatrix &m);

};


#endif /* S5_CAMERA_H_INCLUDED_ */

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