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 
ServerActiveObject(ServerEnvironment * env,v3f pos)26 ServerActiveObject::ServerActiveObject(ServerEnvironment *env, v3f pos):
27 	ActiveObject(0),
28 	m_env(env),
29 	m_base_position(pos)
30 {
31 }
32 
getMinimumSavedMovement()33 float ServerActiveObject::getMinimumSavedMovement()
34 {
35 	return 2.0*BS;
36 }
37 
getWieldedItem(ItemStack * selected,ItemStack * hand) const38 ItemStack ServerActiveObject::getWieldedItem(ItemStack *selected, ItemStack *hand) const
39 {
40 	*selected = ItemStack();
41 	if (hand)
42 		*hand = ItemStack();
43 
44 	return ItemStack();
45 }
46 
setWieldedItem(const ItemStack & item)47 bool ServerActiveObject::setWieldedItem(const ItemStack &item)
48 {
49 	return false;
50 }
51 
generateUpdateInfantCommand(u16 infant_id,u16 protocol_version)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 
dumpAOMessagesToQueue(std::queue<ActiveObjectMessage> & queue)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 
markForRemoval()77 void ServerActiveObject::markForRemoval()
78 {
79 	if (!m_pending_removal) {
80 		onMarkedForRemoval();
81 		m_pending_removal = true;
82 	}
83 }
84 
markForDeactivation()85 void ServerActiveObject::markForDeactivation()
86 {
87 	if (!m_pending_deactivation) {
88 		onMarkedForDeactivation();
89 		m_pending_deactivation = true;
90 	}
91 }
92