simplecomponent.h

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/***************************************************************************
 *   Copyright (C) 2005 by Robot Group Leipzig                             *
 *    martius@informatik.uni-leipzig.de                                    *
 *    fhesse@informatik.uni-leipzig.de                                     *
 *    der@informatik.uni-leipzig.de                                        *
 *    marcel@informatik.uni-leipzig.de                                     *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
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 ***************************************************************************/


#include "component.h"

#ifndef simplecomponent_h
#define simplecomponent_h


namespace lpzrobots
{
/**
 * A simple component is a special form of component. The pysical object that belongs to this component class is a Primitive object.
 */
class SimpleComponent : public Component
{

 private:
    //only one of this two should reference to an object
    Primitive* simplePrimitive;

 public:

    SimpleComponent ( const OdeHandle &odeHandle, const OsgHandle &osgHandle, const ComponentConf& conf);
    
    ~SimpleComponent ();

 public:


virtual void    update ();//update the OSG notes here; update of the underlying robot or Primitive and recursive update of all Components in the Connection-vector

virtual void    place (const Pos &pos);//sets the vehicle to position pos - desired position of the robot; the first component is seen as center of the robot, on which the position pos refers; also recursive place of all subComponents
virtual void    place (const osg::Matrix &pose);//sets the pose of the vehicle; also recursive place of all subComponents; does nothing at the moment

virtual bool    collisionCallback (void *data, dGeomID o1, dGeomID o2);// checks for internal collisions and treats them.; should do nothing, because there should not be any ode-objects belonging to the component, which are not handled elsewhere....and what is with Primitives? are they automaticaly handled?

virtual void    doInternalStuff (GlobalData &globalData);// this function is called in each timestep.; maybee usefull

// virtual void         setColor (const Color &col);    sets color of the robot; not nessecary

virtual Position getPosition () const; //returns position of the object; relates to the robot or Primitive belonging to the component

//virtual Position getSpeed () const;//returns linear speed vector of the object; must be computed from all sub-robots

//virtual matrix::Matrix        getOrientation () const;//returns the orientation of the object;


/**
 *This is only a simple function, calculating the coordinates of the point exactly between two directly connected components.
 *@return Vector containing the Position
 **/
virtual osg::Vec3 getPositionbetweenComponents ( Component* component );

/**
 *Sets the reference to the Primitive for the component, but only if there is no robot assigned to the component.
 *Overwriting an existing Primitive reference is possible, also to set it NULL, and then set a reference to a Primitive with setSimplePrimitive ( .. ).
 *But first the Primitive reference should be saved elsewhere or it won't be updated graficaly
 *@return true if the reference could be set; false else
 **/
virtual bool setSimplePrimitive ( Primitive* newprimitive );

/**
 *return reference to the simple Primitive, or to the main Primitive of the robot assigend to the component. If nothimng is assigned, NULL is returned.
 **/
virtual Primitive* getMainPrimitive () const;

     
};


}
#endif

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