src/serverobject.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "serverobject.h"
  21 #include <fstream>
  22 #include "inventory.h"
  23 #include "constants.h" // BS
  24
  25 ServerActiveObject::ServerActiveObject(ServerEnvironment *env, v3f pos):
  26         ActiveObject(0),
  27         m_known_by_count(0),
  28         m_removed(false),
  29         m_pending_deactivation(false),
  30         m_static_exists(false),
  31         m_static_block(1337,1337,1337),
  32         m_env(env),
  33         m_base_position(pos)
  34 {
  35 }
  36
  37 ServerActiveObject::~ServerActiveObject()
  38 {
  39 }
  40
  41 ServerActiveObject* ServerActiveObject::create(u8 type,
  42                 ServerEnvironment *env, u16 id, v3f pos,
  43                 const std::string &data)
  44 {
  45         // Find factory function
  46         std::map<u16, Factory>::iterator n;
  47         n = m_types.find(type);
  48         if(n == m_types.end())
  49         {
  50                 // If factory is not found, just return.
  51                 dstream<<"WARNING: ServerActiveObject: No factory for type="
  52                                 <<type<<std::endl;
  53                 return NULL;
  54         }
  55
  56         Factory f = n->second;
  57         ServerActiveObject *object = (*f)(env, pos, data);
  58         return object;
  59 }
  60
  61 void ServerActiveObject::registerType(u16 type, Factory f)
  62 {
  63         std::map<u16, Factory>::iterator n;
  64         n = m_types.find(type);
  65         if(n != m_types.end())
  66                 return;
  67         m_types[type] = f;
  68 }
  69
  70 float ServerActiveObject::getMinimumSavedMovement()
  71 {
  72         return 2.0*BS;
  73 }
  74
  75 ItemStack ServerActiveObject::getWieldedItem() const
  76 {
  77         const Inventory *inv = getInventory();
  78         if(inv)
  79         {
  80                 const InventoryList *list = inv->getList(getWieldList());
  81                 if(list && (getWieldIndex() < (s32)list->getSize()))
  82                         return list->getItem(getWieldIndex());
  83         }
  84         return ItemStack();
  85 }
  86
  87 bool ServerActiveObject::setWieldedItem(const ItemStack &item)
  88 {
  89         Inventory *inv = getInventory();
  90         if(inv)
  91         {
  92                 InventoryList *list = inv->getList(getWieldList());
  93                 if (list)
  94                 {
  95                         list->changeItem(getWieldIndex(), item);
  96                         setInventoryModified();
  97                         return true;
  98                 }
  99         }
 100         return false;
 101 }
 102