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
29 #include "convert_json.h"
34 // static config cache for remoteplayer
35 bool RemotePlayer::m_setting_cache_loaded = false;
36 float RemotePlayer::m_setting_chat_message_limit_per_10sec = 0.0f;
37 u16 RemotePlayer::m_setting_chat_message_limit_trigger_kick = 0;
39 RemotePlayer::RemotePlayer(const char *name, IItemDefManager *idef):
42 if (!RemotePlayer::m_setting_cache_loaded) {
43 RemotePlayer::m_setting_chat_message_limit_per_10sec =
44 g_settings->getFloat("chat_message_limit_per_10sec");
45 RemotePlayer::m_setting_chat_message_limit_trigger_kick =
46 g_settings->getU16("chat_message_limit_trigger_kick");
47 RemotePlayer::m_setting_cache_loaded = true;
49 movement_acceleration_default = g_settings->getFloat("movement_acceleration_default") * BS;
50 movement_acceleration_air = g_settings->getFloat("movement_acceleration_air") * BS;
51 movement_acceleration_fast = g_settings->getFloat("movement_acceleration_fast") * BS;
52 movement_speed_walk = g_settings->getFloat("movement_speed_walk") * BS;
53 movement_speed_crouch = g_settings->getFloat("movement_speed_crouch") * BS;
54 movement_speed_fast = g_settings->getFloat("movement_speed_fast") * BS;
55 movement_speed_climb = g_settings->getFloat("movement_speed_climb") * BS;
56 movement_speed_jump = g_settings->getFloat("movement_speed_jump") * BS;
57 movement_liquid_fluidity = g_settings->getFloat("movement_liquid_fluidity") * BS;
58 movement_liquid_fluidity_smooth = g_settings->getFloat("movement_liquid_fluidity_smooth") * BS;
59 movement_liquid_sink = g_settings->getFloat("movement_liquid_sink") * BS;
60 movement_gravity = g_settings->getFloat("movement_gravity") * BS;
63 m_cloud_params.density = 0.4f;
64 m_cloud_params.color_bright = video::SColor(229, 240, 240, 255);
65 m_cloud_params.color_ambient = video::SColor(255, 0, 0, 0);
66 m_cloud_params.height = 120.0f;
67 m_cloud_params.thickness = 16.0f;
68 m_cloud_params.speed = v2f(0.0f, -2.0f);
71 void RemotePlayer::serializeExtraAttributes(std::string &output)
74 Json::Value json_root;
75 const PlayerAttributes &attrs = m_sao->getExtendedAttributes();
76 for (const auto &attr : attrs) {
77 json_root[attr.first] = attr.second;
80 output = fastWriteJson(json_root);
82 m_sao->setExtendedAttributeModified(false);
86 void RemotePlayer::deSerialize(std::istream &is, const std::string &playername,
91 if (!args.parseConfigLines(is, "PlayerArgsEnd")) {
92 throw SerializationError("PlayerArgsEnd of player " + playername + " not found!");
96 //args.getS32("version"); // Version field value not used
97 const std::string &name = args.get("name");
98 strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);
102 sao->setHPRaw(args.getS32("hp"));
103 } catch(SettingNotFoundException &e) {
104 sao->setHPRaw(PLAYER_MAX_HP_DEFAULT);
108 sao->setBasePosition(args.getV3F("position"));
109 } catch (SettingNotFoundException &e) {}
112 sao->setPitch(args.getFloat("pitch"));
113 } catch (SettingNotFoundException &e) {}
115 sao->setYaw(args.getFloat("yaw"));
116 } catch (SettingNotFoundException &e) {}
119 sao->setBreath(args.getS32("breath"), false);
120 } catch (SettingNotFoundException &e) {}
123 const std::string &extended_attributes = args.get("extended_attributes");
124 std::istringstream iss(extended_attributes);
125 Json::CharReaderBuilder builder;
126 builder.settings_["collectComments"] = false;
129 Json::Value attr_root;
130 Json::parseFromStream(builder, iss, &attr_root, &errs);
132 const Json::Value::Members attr_list = attr_root.getMemberNames();
133 for (const auto &it : attr_list) {
134 Json::Value attr_value = attr_root[it];
135 sao->setExtendedAttribute(it, attr_value.asString());
137 } catch (SettingNotFoundException &e) {}
140 inventory.deSerialize(is);
142 if (inventory.getList("craftpreview") == NULL) {
143 // Convert players without craftpreview
144 inventory.addList("craftpreview", 1);
146 bool craftresult_is_preview = true;
147 if(args.exists("craftresult_is_preview"))
148 craftresult_is_preview = args.getBool("craftresult_is_preview");
149 if(craftresult_is_preview)
152 inventory.getList("craftresult")->changeItem(0, ItemStack());
157 void RemotePlayer::serialize(std::ostream &os)
159 // Utilize a Settings object for storing values
161 args.setS32("version", 1);
162 args.set("name", m_name);
164 // This should not happen
166 args.setS32("hp", m_sao->getHP());
167 args.setV3F("position", m_sao->getBasePosition());
168 args.setFloat("pitch", m_sao->getPitch());
169 args.setFloat("yaw", m_sao->getYaw());
170 args.setS32("breath", m_sao->getBreath());
172 std::string extended_attrs;
173 serializeExtraAttributes(extended_attrs);
174 args.set("extended_attributes", extended_attrs);
178 os<<"PlayerArgsEnd\n";
180 inventory.serialize(os);
183 const RemotePlayerChatResult RemotePlayer::canSendChatMessage()
185 // Rate limit messages
186 u32 now = time(NULL);
187 float time_passed = now - m_last_chat_message_sent;
188 m_last_chat_message_sent = now;
190 // If this feature is disabled
191 if (m_setting_chat_message_limit_per_10sec <= 0.0) {
192 return RPLAYER_CHATRESULT_OK;
195 m_chat_message_allowance += time_passed * (m_setting_chat_message_limit_per_10sec / 8.0f);
196 if (m_chat_message_allowance > m_setting_chat_message_limit_per_10sec) {
197 m_chat_message_allowance = m_setting_chat_message_limit_per_10sec;
200 if (m_chat_message_allowance < 1.0f) {
201 infostream << "Player " << m_name
202 << " chat limited due to excessive message amount." << std::endl;
204 // Kick player if flooding is too intensive
205 m_message_rate_overhead++;
206 if (m_message_rate_overhead > RemotePlayer::m_setting_chat_message_limit_trigger_kick) {
207 return RPLAYER_CHATRESULT_KICK;
210 return RPLAYER_CHATRESULT_FLOODING;
213 // Reinit message overhead
214 if (m_message_rate_overhead > 0) {
215 m_message_rate_overhead = 0;
218 m_chat_message_allowance -= 1.0f;
219 return RPLAYER_CHATRESULT_OK;