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0500	b6 ce 02 13 80 ad bb be 94 bb 31 01 c4 27 08 40 99 eb cc 24 16 51 33 02 68 78 20 37 13 00 1f ec	./* Minetest Copyright (C) 2010-2016 celeron55, Perttu Ahola <celeron55@gmail.com> Copyright (C) 2014-2016 nerzhul, Loic Blot <loic.blot@unix-experience.fr> This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "remoteplayer.h" #include <json/json.h> #include "content_sao.h" #include "filesys.h" #include "gamedef.h" #include "porting.h" // strlcpy #include "server.h" #include "settings.h" /* RemotePlayer */ // static config cache for remoteplayer bool RemotePlayer::m_setting_cache_loaded = false; float RemotePlayer::m_setting_chat_message_limit_per_10sec = 0.0f; u16 RemotePlayer::m_setting_chat_message_limit_trigger_kick = 0; RemotePlayer::RemotePlayer(const char *name, IItemDefManager *idef): Player(name, idef), protocol_version(0), m_sao(NULL), m_dirty(false), m_last_chat_message_sent(time(NULL)), m_chat_message_allowance(5.0f), m_message_rate_overhead(0), hud_hotbar_image(""), hud_hotbar_selected_image("") { if (!RemotePlayer::m_setting_cache_loaded) { RemotePlayer::m_setting_chat_message_limit_per_10sec = g_settings->getFloat("chat_message_limit_per_10sec"); RemotePlayer::m_setting_chat_message_limit_trigger_kick = g_settings->getU16("chat_message_limit_trigger_kick"); RemotePlayer::m_setting_cache_loaded = true; } movement_acceleration_default = g_settings->getFloat("movement_acceleration_default") * BS; movement_acceleration_air = g_settings->getFloat("movement_acceleration_air") * BS; movement_acceleration_fast = g_settings->getFloat("movement_acceleration_fast") * BS; movement_speed_walk = g_settings->getFloat("movement_speed_walk") * BS; movement_speed_crouch = g_settings->getFloat("movement_speed_crouch") * BS; movement_speed_fast = g_settings->getFloat("movement_speed_fast") * BS; movement_speed_climb = g_settings->getFloat("movement_speed_climb") * BS; movement_speed_jump = g_settings->getFloat("movement_speed_jump") * BS; movement_liquid_fluidity = g_settings->getFloat("movement_liquid_fluidity") * BS; movement_liquid_fluidity_smooth = g_settings->getFloat("movement_liquid_fluidity_smooth") * BS; movement_liquid_sink = g_settings->getFloat("movement_liquid_sink") * BS; movement_gravity = g_settings->getFloat("movement_gravity") * BS; } void RemotePlayer::save(std::string savedir, IGameDef *gamedef) { /* * We have to open all possible player files in the players directory * and check their player names because some file systems are not * case-sensitive and player names are case-sensitive. */ // A player to deserialize files into to check their names RemotePlayer testplayer("", gamedef->idef()); savedir += DIR_DELIM; std::string path = savedir + m_name; for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) { if (!fs::PathExists(path)) { // Open file and serialize std::ostringstream ss(std::ios_base::binary); serialize(ss); if (!fs::safeWriteToFile(path, ss.str())) { infostream << "Failed to write " << path << std::endl; } setModified(false); return; } // Open file and deserialize std::ifstream is(path.c_str(), std::ios_base::binary); if (!is.good()) { infostream << "Failed to open " << path << std::endl; return; } testplayer.deSerialize(is, path, NULL); is.close(); if (strcmp(testplayer.getName(), m_name) == 0) { // Open file and serialize std::ostringstream ss(std::ios_base::binary); serialize(ss); if (!fs::safeWriteToFile(path, ss.str())) { infostream << "Failed to write " << path << std::endl; } setModified(false); return; } path = savedir + m_name + itos(i); } infostream << "Didn't find free file for player " << m_name << std::endl; } void RemotePlayer::serializeExtraAttributes(std::string &output) { assert(m_sao); Json::Value json_root; const PlayerAttributes &attrs = m_sao->getExtendedAttributes(); for (PlayerAttributes::const_iterator it = attrs.begin(); it != attrs.end(); ++it) { json_root[(*it).first] = (*it).second; } Json::FastWriter writer; output = writer.write(json_root); m_sao->setExtendedAttributeModified(false); } void RemotePlayer::deSerialize(std::istream &is, const std::string &playername, PlayerSAO *sao) { Settings args; if (!args.parseConfigLines(is, "PlayerArgsEnd")) { throw SerializationError("PlayerArgsEnd of player " + playername + " not found!"); } m_dirty = true; //args.getS32("version"); // Version field value not used const std::string &name = args.get("name"); strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE); if (sao) { try { sao->setHPRaw(args.getS32("hp")); } catch(SettingNotFoundException &e) { sao->setHPRaw(PLAYER_MAX_HP); } try { sao->setBasePosition(args.getV3F("position")); } catch (SettingNotFoundException &e) {} try { sao->setPitch(args.getFloat("pitch")); } catch (SettingNotFoundException &e) {} try { sao->setYaw(args.getFloat("yaw")); } catch (SettingNotFoundException &e) {} try { sao->setBreath(args.getS32("breath"), false); } catch (SettingNotFoundException &e) {} try { const std::string &extended_attributes = args.get("extended_attributes"); Json::Reader reader; Json::Value attr_root; reader.parse(extended_attributes, attr_root); const Json::Value::Members attr_list = attr_root.getMemberNames(); for (Json::Value::Members::const_iterator it = attr_list.begin(); it != attr_list.end(); ++it) { Json::Value attr_value = attr_root[*it]; sao->setExtendedAttribute(*it, attr_value.asString()); } } catch (SettingNotFoundException &e) {} } inventory.deSerialize(is); if (inventory.getList("craftpreview") == NULL) { // Convert players without craftpreview inventory.addList("craftpreview", 1); bool craftresult_is_preview = true; if(args.exists("craftresult_is_preview")) craftresult_is_preview = args.getBool("craftresult_is_preview"); if(craftresult_is_preview) { // Clear craftresult inventory.getList("craftresult")->changeItem(0, ItemStack()); } } } void RemotePlayer::serialize(std::ostream &os) { // Utilize a Settings object for storing values Settings args; args.setS32("version", 1); args.set("name", m_name); // This should not happen assert(m_sao); args.setS32("hp", m_sao->getHP()); args.setV3F("position", m_sao->getBasePosition()); args.setFloat("pitch", m_sao->getPitch()); args.setFloat("yaw", m_sao->getYaw()); args.setS32("breath", m_sao->getBreath()); std::string extended_attrs = ""; serializeExtraAttributes(extended_attrs); args.set("extended_attributes", extended_attrs); args.writeLines(os); os<<"PlayerArgsEnd\n"; inventory.serialize(os); } const RemotePlayerChatResult RemotePlayer::canSendChatMessage() { // Rate limit messages u32 now = time(NULL); float time_passed = now - m_last_chat_message_sent; m_last_chat_message_sent = now; // If this feature is disabled if (m_setting_chat_message_limit_per_10sec <= 0.0) { return RPLAYER_CHATRESULT_OK; } m_chat_message_allowance += time_passed * (m_setting_chat_message_limit_per_10sec / 8.0f); if (m_chat_message_allowance > m_setting_chat_message_limit_per_10sec) { m_chat_message_allowance = m_setting_chat_message_limit_per_10sec; } if (m_chat_message_allowance < 1.0f) { infostream << "Player " << m_name << " chat limited due to excessive message amount." << std::endl; // Kick player if flooding is too intensive m_message_rate_overhead++; if (m_message_rate_overhead > RemotePlayer::m_setting_chat_message_limit_trigger_kick) { return RPLAYER_CHATRESULT_KICK; } return RPLAYER_CHATRESULT_FLOODING; } // Reinit message overhead if (m_message_rate_overhead > 0) { m_message_rate_overhead = 0; } m_chat_message_allowance -= 1.0f; return RPLAYER_CHATRESULT_OK; }