/*

*************************************************************************

ArmageTron -- Just another Tron Lightcycle Game in 3D.
Copyright (C) 2000  Manuel Moos (manuel@moosnet.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  
***************************************************************************

*/

#ifndef ArmageTron_SENSOR_H
#define ArmageTron_SENSOR_H

#include "eGameObject.h"
#include "eTess2.h"
//#include "eGrid.h"

// sensor sent out to detect near eWalls
class eSensor: public eGameObject{
protected:
    tCHECKED_PTR(eGameObject) owned;
public:
    REAL            hit;            // where is the eWall?
    tCHECKED_PTR_CONST(eHalfEdge) ehit;     // the eWall we sense
    int             lr;         // and direction it goes to (left/right)
    eCoord           before_hit; // a point shortly before that eWall

    eSensor(eGameObject *o,const eCoord &start,const eCoord &d)
            :eGameObject(o->grid, start,d,o->currentFace,0),owned(o)
    ,hit(1000),ehit(NULL),lr(0){
        if (owned)
            currentFace=owned->currentFace;
        else
            currentFace=NULL;
    }

    virtual void PassEdge(const eWall *w,REAL time,REAL,int =1);
    //  virtual void PassEdge(eEdge *e,REAL time,REAL a,int recursion=1);
    void detect(REAL range);

void SetCurrentFace(eFace *f) { currentFace = f ; }
};

#endif