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proximityBtnFltr.H

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#ifndef GLUE_PROXIMITYBTNFLTR_H
#define GLUE_PROXIMITYBTNFLTR_H

#define OUTSIDE_GLUE_CORE

#include "event/event.H"
#include "dev/dev.H"
#include "dev/room6d.H"
#include "dev/buttons.H"
#include "mlib/points.H"
#include <math.h>
#include "config/config.H"


class proximityBtnFilt:public EVENTfilter
{
protected:
  str_ptr _name;
  str_ptr _btnNear;
  str_ptr _btnFar;
  str_ptr _btn;
  str_ptr _tracker1;
  str_ptr _tracker2;
  Wpt _t1Pos;
  Wpt _t2Pos;
  double _distance;
public:
  proximityBtnFilt(str_ptr name):_name(name){
    _btn=CONFIGval(_name+str_ptr("_btn"),"",true);
    _tracker1=CONFIGval(_name+str_ptr("_tracker1"),"",true);
    _tracker2=CONFIGval(_name+str_ptr("_tracker2"),"",true);
    _btnNear=CONFIGval(_name+str_ptr("_near"),_btn+str_ptr("_near"),true);
    _btnFar=CONFIGval(_name+str_ptr("_far"),_btn+str_ptr("_far"),true);
    _distance=CONFIGval(_name+str_ptr("_distance"),0.5,true);
  }
  
  EVENTptr filter(cEVENTptr &evt){
    if (evt){
      if (EVENTroom6d::isa(evt)){
    EVENTroom6dptr r6d=EVENTroom6d::cast(evt);
    if (r6d){
      if (evt->source()->evt_name()==_tracker1){
        _t1Pos=r6d->cur().origin();
      }
      if (evt->source()->evt_name()==_tracker2){
        _t2Pos=r6d->cur().origin();
      }
    }
      }else if (EVENTbtn::isa(evt)){
    EVENTbtnptr btnevent=EVENTbtn::cast(evt);
    if (btnevent){
      //cout << "have a button event\n";
      if (evt->source()->evt_name()==_btn){
        //cout << "it is our button\n";
        if (sqrt((_t1Pos[0]-_t2Pos[0])*(_t1Pos[0]-_t2Pos[0])+
             (_t1Pos[1]-_t2Pos[1])*(_t1Pos[1]-_t2Pos[1])+
             (_t1Pos[2]-_t2Pos[2])*(_t1Pos[2]-_t2Pos[2]))<_distance){
          //cout << "it was near\n";
          //send out the old evt as well
          //EVENTmgr::distrib(evt);
          //return new EVENTbtn(_btnNear,btnevent->transition());
          EVENTmgr::distrib(new EVENTbtn(_btnNear,btnevent->transition()));
        }else{
          //cout << "it was far\n";
          //EVENTmgr::distrib(evt);
          //return new EVENTbtn(_btnFar,btnevent->transition());
          EVENTmgr::distrib(new EVENTbtn(_btnFar,btnevent->transition()));
        }
      }
    }
      }
    }
    return evt;
  }
};
          
      
#endif

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