Dogcows Code - chaz/yoink/blob - src/Moof/Entity.hh

   1
   2 /*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
   3 **]  All rights reserved.
   4 *
   5 * vi:ts=4 sw=4 tw=75
   6 *
   7 * Distributable under the terms and conditions of the 2-clause BSD license;
   8 * see the file COPYING for a complete text of the license.
   9 *
  10 **************************************************************************/
  11
  12 #ifndef _MOOF_ENTITY_HH_
  13 #define _MOOF_ENTITY_HH_
  14
  15 #include <boost/shared_ptr.hpp>
  16
  17 #include <Moof/Aabb.hh>
  18 #include <Moof/Cullable.hh>
  19 #include <Moof/Drawable.hh>
  20 #include <Moof/Sphere.hh>
  21
  22
  23 namespace Mf {
  24
  25
  26 class Frustum;
  27
  28
  29 /**
  30  * Interface for game objects that can be drawn to the screen and have a
  31  * specified volume (take up space).
  32  */
  33
  34 class Entity;
  35 typedef boost::shared_ptr<Entity> EntityP;
  36
  37
  38 class Entity : public Cullable, public Drawable
  39 {
  40 protected:
  41
  42         Aabb<3>         mAabb;
  43         Sphere<3>       mSphere;
  44
  45 public:
  46
  47         virtual ~Entity() {}
  48
  49         virtual void drawIfVisible(Scalar alpha, const Frustum& frustum) const
  50         {
  51                 if (isVisible(frustum)) draw(alpha);
  52         }
  53
  54         virtual bool isVisible(const Frustum& frustum) const
  55         {
  56                 return mSphere.isVisible(frustum) && mAabb.isVisible(frustum);
  57         }
  58
  59         const Aabb<3>& getAabb() const
  60         {
  61                 return mAabb;
  62         }
  63
  64         const Sphere<3>& getSphere() const
  65         {
  66                 return mSphere;
  67         }
  68 };
  69
  70
  71 } // namespace Mf
  72
  73 #endif // _MOOF_ENTITY_HH_
  74