src/activeobject.h

   1 /************************************************************************
   2 * Minetest-c55
   3 * Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 *
   5 * activeobject.h
   6 * voxelands - 3d voxel world sandbox game
   7 * Copyright (C) Lisa 'darkrose' Milne 2013-2014 <lisa@ltmnet.com>
   8 *
   9 * This program is free software: you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License as published by
  11 * the Free Software Foundation, either version 3 of the License, or
  12 * (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful, but
  15 * WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17 * See the GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program.  If not, see <http://www.gnu.org/licenses/>
  21 *
  22 * License updated from GPLv2 or later to GPLv3 or later by Lisa Milne
  23 * for Voxelands.
  24 ************************************************************************/
  25
  26
  27 #ifndef ACTIVEOBJECT_HEADER
  28 #define ACTIVEOBJECT_HEADER
  29
  30 #include "common_irrlicht.h"
  31 #include <string>
  32
  33 #define ACTIVEOBJECT_TYPE_INVALID 0
  34 // Other types are defined in content_object.h
  35
  36 struct ActiveObjectMessage
  37 {
  38         ActiveObjectMessage(u16 id_, bool reliable_=true, std::string data_=""):
  39                 id(id_),
  40                 reliable(reliable_),
  41                 datastring(data_)
  42         {}
  43
  44         u16 id;
  45         bool reliable;
  46         std::string datastring;
  47 };
  48
  49 /*
  50         Parent class for ServerActiveObject and ClientActiveObject
  51 */
  52 class ActiveObject
  53 {
  54 public:
  55         ActiveObject(u16 id):
  56                 m_id(id)
  57         {
  58         }
  59
  60         u16 getId()
  61         {
  62                 return m_id;
  63         }
  64
  65         void setId(u16 id)
  66         {
  67                 m_id = id;
  68         }
  69
  70         virtual u8 getType() const = 0;
  71
  72 protected:
  73         u16 m_id; // 0 is invalid, "no id"
  74 };
  75
  76 struct DistanceSortedActiveObject
  77 {
  78         ActiveObject *obj;
  79         f32 d;
  80
  81         DistanceSortedActiveObject(ActiveObject *a_obj, f32 a_d)
  82         {
  83                 obj = a_obj;
  84                 d = a_d;
  85         }
  86
  87         bool operator < (DistanceSortedActiveObject &other)
  88         {
  89                 return d < other.d;
  90         }
  91 };
  92
  93 #endif
  94