src/server/serveractiveobject.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 "serveractiveobject.h"
  21 #include <fstream>
  22 #include "inventory.h"
  23 #include "constants.h" // BS
  24 #include "log.h"
  25
  26 ServerActiveObject::ServerActiveObject(ServerEnvironment *env, v3f pos):
  27         ActiveObject(0),
  28         m_env(env),
  29         m_base_position(pos)
  30 {
  31 }
  32
  33 float ServerActiveObject::getMinimumSavedMovement()
  34 {
  35         return 2.0*BS;
  36 }
  37
  38 ItemStack ServerActiveObject::getWieldedItem(ItemStack *selected, ItemStack *hand) const
  39 {
  40         *selected = ItemStack();
  41         if (hand)
  42                 *hand = ItemStack();
  43
  44         return ItemStack();
  45 }
  46
  47 bool ServerActiveObject::setWieldedItem(const ItemStack &item)
  48 {
  49         return false;
  50 }
  51
  52 std::string ServerActiveObject::generateUpdateInfantCommand(u16 infant_id, u16 protocol_version)
  53 {
  54         std::ostringstream os(std::ios::binary);
  55         // command
  56         writeU8(os, AO_CMD_SPAWN_INFANT);
  57         // parameters
  58         writeU16(os, infant_id);
  59         writeU8(os, getSendType());
  60         if (protocol_version < 38) {
  61                 // Clients since 4aa9a66 so no longer need this data
  62                 // Version 38 is the first bump after that commit.
  63                 // See also: ClientEnvironment::addActiveObject
  64                 os << serializeString32(getClientInitializationData(protocol_version));
  65         }
  66         return os.str();
  67 }
  68
  69 void ServerActiveObject::dumpAOMessagesToQueue(std::queue<ActiveObjectMessage> &queue)
  70 {
  71         while (!m_messages_out.empty()) {
  72                 queue.push(std::move(m_messages_out.front()));
  73                 m_messages_out.pop();
  74         }
  75 }
  76
  77 void ServerActiveObject::markForRemoval()
  78 {
  79         if (!m_pending_removal) {
  80                 onMarkedForRemoval();
  81                 m_pending_removal = true;
  82         }
  83 }
  84
  85 void ServerActiveObject::markForDeactivation()
  86 {
  87         if (!m_pending_deactivation) {
  88                 onMarkedForDeactivation();
  89                 m_pending_deactivation = true;
  90         }
  91 }