poopmup/map/object.cpp

   1 /**
   2  * @file poopmup/map/object.cpp
   3  * The private implemntation file for the map object class.
   4  *
   5  * Copyright Stephen M. Webb  <bregma@poopmup.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 #include <poopmup/map/object.h>
  22
  23 #include <iostream>
  24
  25
  26 namespace Poopmup
  27 {
  28 namespace Map
  29 {
  30
  31
  32 namespace
  33 {
  34         Core::BoundingSphere calculateBS(float west, float south, float east, float north, float top, float bottom)
  35         {
  36                 float width  = (east - west) / 2.0f;
  37                 float length = (north - south) / 2.0f;
  38                 float height = (top - bottom) / 2.0f;
  39
  40                 return Core::BoundingSphere(Core::Vector(west+width, bottom+height, south+length),
  41                                             Core::Vector(width, height, length).length2());
  42         }
  43 } // anonymous namespace
  44
  45
  46 Object::Object(float west, float south, float east, float north, float top, float bottom)
  47 : Collideable(calculateBS(west, south, east, north, top, bottom))
  48 , m_north(north)
  49 , m_south(south)
  50 , m_east(east)
  51 , m_west(west)
  52 , m_top(top)
  53 , m_bottom(bottom)
  54 , m_displayList(glGenLists(1))
  55 {
  56 }
  57
  58
  59 /**
  60  * Destroys a map/object object.
  61  */
  62 Object::~Object()
  63 {
  64         glDeleteLists(1, m_displayList);
  65 }
  66
  67
  68 bool Object::lessThan(const Object* rhs) const
  69 {
  70         if (m_north < rhs->m_north)
  71                 return true;
  72
  73         if (m_west < rhs->m_west)
  74                 return true;
  75
  76         return false;
  77 }
  78
  79
  80 bool Object::intersects(const Collideable& rhs) const
  81 {
  82         return false;
  83 }
  84
  85
  86 ObjectList::ObjectList()
  87 {
  88 }
  89
  90
  91 ObjectList::~ObjectList()
  92 {
  93         for (iterator it = begin(); it != end(); ++it)
  94         {
  95                 delete *it;
  96         }
  97 }
  98
  99
 100 } // namespace Map
 101 } // namespace Poopmup
 102