3 Copyright (C) 2010-2016 celeron55, Perttu Ahola <celeron55@gmail.com>
4 Copyright (C) 2014-2016 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License along
17 with this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include "remoteplayer.h"
22 #include <json/json.h>
23 #include "content_sao.h"
26 #include "porting.h" // strlcpy
33 // static config cache for remoteplayer
34 bool RemotePlayer::m_setting_cache_loaded = false;
35 float RemotePlayer::m_setting_chat_message_limit_per_10sec = 0.0f;
36 u16 RemotePlayer::m_setting_chat_message_limit_trigger_kick = 0;
38 RemotePlayer::RemotePlayer(const char *name, IItemDefManager *idef):
41 if (!RemotePlayer::m_setting_cache_loaded) {
42 RemotePlayer::m_setting_chat_message_limit_per_10sec =
43 g_settings->getFloat("chat_message_limit_per_10sec");
44 RemotePlayer::m_setting_chat_message_limit_trigger_kick =
45 g_settings->getU16("chat_message_limit_trigger_kick");
46 RemotePlayer::m_setting_cache_loaded = true;
48 movement_acceleration_default = g_settings->getFloat("movement_acceleration_default") * BS;
49 movement_acceleration_air = g_settings->getFloat("movement_acceleration_air") * BS;
50 movement_acceleration_fast = g_settings->getFloat("movement_acceleration_fast") * BS;
51 movement_speed_walk = g_settings->getFloat("movement_speed_walk") * BS;
52 movement_speed_crouch = g_settings->getFloat("movement_speed_crouch") * BS;
53 movement_speed_fast = g_settings->getFloat("movement_speed_fast") * BS;
54 movement_speed_climb = g_settings->getFloat("movement_speed_climb") * BS;
55 movement_speed_jump = g_settings->getFloat("movement_speed_jump") * BS;
56 movement_liquid_fluidity = g_settings->getFloat("movement_liquid_fluidity") * BS;
57 movement_liquid_fluidity_smooth = g_settings->getFloat("movement_liquid_fluidity_smooth") * BS;
58 movement_liquid_sink = g_settings->getFloat("movement_liquid_sink") * BS;
59 movement_gravity = g_settings->getFloat("movement_gravity") * BS;
62 m_cloud_params.density = 0.4f;
63 m_cloud_params.color_bright = video::SColor(229, 240, 240, 255);
64 m_cloud_params.color_ambient = video::SColor(255, 0, 0, 0);
65 m_cloud_params.height = 120.0f;
66 m_cloud_params.thickness = 16.0f;
67 m_cloud_params.speed = v2f(0.0f, -2.0f);
70 void RemotePlayer::serializeExtraAttributes(std::string &output)
73 Json::Value json_root;
74 const PlayerAttributes &attrs = m_sao->getExtendedAttributes();
75 for (PlayerAttributes::const_iterator it = attrs.begin(); it != attrs.end(); ++it) {
76 json_root[(*it).first] = (*it).second;
79 Json::FastWriter writer;
80 output = writer.write(json_root);
81 m_sao->setExtendedAttributeModified(false);
85 void RemotePlayer::deSerialize(std::istream &is, const std::string &playername,
90 if (!args.parseConfigLines(is, "PlayerArgsEnd")) {
91 throw SerializationError("PlayerArgsEnd of player " + playername + " not found!");
95 //args.getS32("version"); // Version field value not used
96 const std::string &name = args.get("name");
97 strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);
101 sao->setHPRaw(args.getS32("hp"));
102 } catch(SettingNotFoundException &e) {
103 sao->setHPRaw(PLAYER_MAX_HP);
107 sao->setBasePosition(args.getV3F("position"));
108 } catch (SettingNotFoundException &e) {}
111 sao->setPitch(args.getFloat("pitch"));
112 } catch (SettingNotFoundException &e) {}
114 sao->setYaw(args.getFloat("yaw"));
115 } catch (SettingNotFoundException &e) {}
118 sao->setBreath(args.getS32("breath"), false);
119 } catch (SettingNotFoundException &e) {}
122 const std::string &extended_attributes = args.get("extended_attributes");
124 Json::Value attr_root;
125 reader.parse(extended_attributes, attr_root);
127 const Json::Value::Members attr_list = attr_root.getMemberNames();
128 for (Json::Value::Members::const_iterator it = attr_list.begin();
129 it != attr_list.end(); ++it) {
130 Json::Value attr_value = attr_root[*it];
131 sao->setExtendedAttribute(*it, attr_value.asString());
133 } catch (SettingNotFoundException &e) {}
136 inventory.deSerialize(is);
138 if (inventory.getList("craftpreview") == NULL) {
139 // Convert players without craftpreview
140 inventory.addList("craftpreview", 1);
142 bool craftresult_is_preview = true;
143 if(args.exists("craftresult_is_preview"))
144 craftresult_is_preview = args.getBool("craftresult_is_preview");
145 if(craftresult_is_preview)
148 inventory.getList("craftresult")->changeItem(0, ItemStack());
153 void RemotePlayer::serialize(std::ostream &os)
155 // Utilize a Settings object for storing values
157 args.setS32("version", 1);
158 args.set("name", m_name);
160 // This should not happen
162 args.setS32("hp", m_sao->getHP());
163 args.setV3F("position", m_sao->getBasePosition());
164 args.setFloat("pitch", m_sao->getPitch());
165 args.setFloat("yaw", m_sao->getYaw());
166 args.setS32("breath", m_sao->getBreath());
168 std::string extended_attrs = "";
169 serializeExtraAttributes(extended_attrs);
170 args.set("extended_attributes", extended_attrs);
174 os<<"PlayerArgsEnd\n";
176 inventory.serialize(os);
179 const RemotePlayerChatResult RemotePlayer::canSendChatMessage()
181 // Rate limit messages
182 u32 now = time(NULL);
183 float time_passed = now - m_last_chat_message_sent;
184 m_last_chat_message_sent = now;
186 // If this feature is disabled
187 if (m_setting_chat_message_limit_per_10sec <= 0.0) {
188 return RPLAYER_CHATRESULT_OK;
191 m_chat_message_allowance += time_passed * (m_setting_chat_message_limit_per_10sec / 8.0f);
192 if (m_chat_message_allowance > m_setting_chat_message_limit_per_10sec) {
193 m_chat_message_allowance = m_setting_chat_message_limit_per_10sec;
196 if (m_chat_message_allowance < 1.0f) {
197 infostream << "Player " << m_name
198 << " chat limited due to excessive message amount." << std::endl;
200 // Kick player if flooding is too intensive
201 m_message_rate_overhead++;
202 if (m_message_rate_overhead > RemotePlayer::m_setting_chat_message_limit_trigger_kick) {
203 return RPLAYER_CHATRESULT_KICK;
206 return RPLAYER_CHATRESULT_FLOODING;
209 // Reinit message overhead
210 if (m_message_rate_overhead > 0) {
211 m_message_rate_overhead = 0;
214 m_chat_message_allowance -= 1.0f;
215 return RPLAYER_CHATRESULT_OK;