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_env(env),
  28         m_base_position(pos)
  29 {
  30 }
  31
  32 ServerActiveObject::~ServerActiveObject()
  33 {
  34 }
  35
  36 ServerActiveObject* ServerActiveObject::create(ActiveObjectType type,
  37                 ServerEnvironment *env, u16 id, v3f pos,
  38                 const std::string &data)
  39 {
  40         // Find factory function
  41         std::map<u16, Factory>::iterator n;
  42         n = m_types.find(type);
  43         if(n == m_types.end()) {
  44                 // These are 0.3 entity types, return without error.
  45                 if (ACTIVEOBJECT_TYPE_ITEM <= type && type <= ACTIVEOBJECT_TYPE_MOBV2) {
  46                         return NULL;
  47                 }
  48
  49                 // If factory is not found, just return.
  50                 warningstream<<"ServerActiveObject: No factory for type="
  51                                 <<type<<std::endl;
  52                 return NULL;
  53         }
  54
  55         Factory f = n->second;
  56         ServerActiveObject *object = (*f)(env, pos, data);
  57         return object;
  58 }
  59
  60 void ServerActiveObject::registerType(u16 type, Factory f)
  61 {
  62         std::map<u16, Factory>::iterator n;
  63         n = m_types.find(type);
  64         if(n != m_types.end())
  65                 return;
  66         m_types[type] = f;
  67 }
  68
  69 float ServerActiveObject::getMinimumSavedMovement()
  70 {
  71         return 2.0*BS;
  72 }
  73
  74 ItemStack ServerActiveObject::getWieldedItem() const
  75 {
  76         const Inventory *inv = getInventory();
  77         if(inv)
  78         {
  79                 const InventoryList *list = inv->getList(getWieldList());
  80                 if(list && (getWieldIndex() < (s32)list->getSize()))
  81                         return list->getItem(getWieldIndex());
  82         }
  83         return ItemStack();
  84 }
  85
  86 bool ServerActiveObject::setWieldedItem(const ItemStack &item)
  87 {
  88         if(Inventory *inv = getInventory()) {
  89                 if (InventoryList *list = inv->getList(getWieldList())) {
  90                         list->changeItem(getWieldIndex(), item);
  91                         return true;
  92                 }
  93         }
  94         return false;
  95 }