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(ActiveObjectType 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                 // These are 0.3 entity types, return without error.
  50                 if (ACTIVEOBJECT_TYPE_ITEM <= type && type <= ACTIVEOBJECT_TYPE_MOBV2) {
  51                         return NULL;
  52                 }
  53
  54                 // If factory is not found, just return.
  55                 warningstream<<"ServerActiveObject: No factory for type="
  56                                 <<type<<std::endl;
  57                 return NULL;
  58         }
  59
  60         Factory f = n->second;
  61         ServerActiveObject *object = (*f)(env, pos, data);
  62         return object;
  63 }
  64
  65 void ServerActiveObject::registerType(u16 type, Factory f)
  66 {
  67         std::map<u16, Factory>::iterator n;
  68         n = m_types.find(type);
  69         if(n != m_types.end())
  70                 return;
  71         m_types[type] = f;
  72 }
  73
  74 float ServerActiveObject::getMinimumSavedMovement()
  75 {
  76         return 2.0*BS;
  77 }
  78
  79 ItemStack ServerActiveObject::getWieldedItem() const
  80 {
  81         const Inventory *inv = getInventory();
  82         if(inv)
  83         {
  84                 const InventoryList *list = inv->getList(getWieldList());
  85                 if(list && (getWieldIndex() < (s32)list->getSize()))
  86                         return list->getItem(getWieldIndex());
  87         }
  88         return ItemStack();
  89 }
  90
  91 bool ServerActiveObject::setWieldedItem(const ItemStack &item)
  92 {
  93         if(Inventory *inv = getInventory()) {
  94                 if (InventoryList *list = inv->getList(getWieldList())) {
  95                         list->changeItem(getWieldIndex(), item);
  96                         return true;
  97                 }
  98         }
  99         return false;
 100 }