physics/Collidable

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/* **-*-c++-*-**************************************************************
  Copyright (C)2003 David Jung <opensim@pobox.com>

  This program/file 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. (http://www.gnu.org)
  
  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
  
  $Id: Collidable 1065 2004-02-27 19:52:50Z jungd $
  $Revision: 1.2 $
  $Date: 2004-02-27 14:52:50 -0500 (Fri, 27 Feb 2004) $
  $Author: jungd $
 
****************************************************************************/

#ifndef _PHYSICS_COLLIDABLE_
#define _PHYSICS_COLLIDABLE_

#include <physics/physics>

#include <base/ReferencedObject>
#include <base/Named>
#include <physics/BoundingBox>


namespace physics {


class Collidable : virtual public base::Named, virtual public base::ReferencedObject
{
public:
  virtual BoundingBox getBoundingBox() const = 0;
  
  virtual void setName(const String& name) { Named::setName(name); }
  
  virtual void setInterpenetrationIsNormal(bool interpenetrationIsNormal) { interpenetrationNormal=interpenetrationIsNormal; }
  virtual bool isInterpenetrationNormal() const { return interpenetrationNormal; }
  
  virtual ref<const Collidable> findNamed(const String& name, bool recurse=true) const
  { if (getName() == name) return ref<const Collidable>(this); else return ref<const Collidable>(0); }

  virtual ref<Collidable> findNamed(const String& name, bool recurse=true)
  { if (getName() == name) return ref<Collidable>(this); else return ref<Collidable>(0); }

  virtual void setUserData(ref<base::ReferencedObject> data) { userData = data; }
  virtual ref<base::ReferencedObject> getUserData() const { return userData; }
  
  /// Collisions between Collidables of the same class number (>0) are culled
  virtual void setUserClass(Int userClass = 0) { this->userClass = userClass; }
  virtual Int  getUserClass() const { return userClass; }
  
protected:
  Collidable(bool interpenetrationNormal=false) : interpenetrationNormal(interpenetrationNormal), userClass(0) {}
  Collidable(const Collidable& c) : interpenetrationNormal(interpenetrationNormal), userData(c.userData) {}
  
  /// if under normal circumstances this Collidable is expected to sometimes be interpenetrating another Collidable, this is true
  bool interpenetrationNormal;
  
  ref<base::ReferencedObject> userData;
  Int userClass;
};
  
  

} // physics

#endif

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