mirror of https://github.com/minetest/minetest.git
221 lines
7.1 KiB
C++
221 lines
7.1 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2016 celeron55, Perttu Ahola <celeron55@gmail.com>
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Copyright (C) 2014-2016 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "remoteplayer.h"
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#include <json/json.h>
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#include "content_sao.h"
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#include "filesys.h"
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#include "gamedef.h"
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#include "porting.h" // strlcpy
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#include "server.h"
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#include "settings.h"
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#include "convert_json.h"
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/*
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RemotePlayer
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*/
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// static config cache for remoteplayer
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bool RemotePlayer::m_setting_cache_loaded = false;
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float RemotePlayer::m_setting_chat_message_limit_per_10sec = 0.0f;
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u16 RemotePlayer::m_setting_chat_message_limit_trigger_kick = 0;
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RemotePlayer::RemotePlayer(const char *name, IItemDefManager *idef):
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Player(name, idef)
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{
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if (!RemotePlayer::m_setting_cache_loaded) {
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RemotePlayer::m_setting_chat_message_limit_per_10sec =
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g_settings->getFloat("chat_message_limit_per_10sec");
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RemotePlayer::m_setting_chat_message_limit_trigger_kick =
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g_settings->getU16("chat_message_limit_trigger_kick");
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RemotePlayer::m_setting_cache_loaded = true;
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}
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movement_acceleration_default = g_settings->getFloat("movement_acceleration_default") * BS;
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movement_acceleration_air = g_settings->getFloat("movement_acceleration_air") * BS;
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movement_acceleration_fast = g_settings->getFloat("movement_acceleration_fast") * BS;
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movement_speed_walk = g_settings->getFloat("movement_speed_walk") * BS;
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movement_speed_crouch = g_settings->getFloat("movement_speed_crouch") * BS;
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movement_speed_fast = g_settings->getFloat("movement_speed_fast") * BS;
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movement_speed_climb = g_settings->getFloat("movement_speed_climb") * BS;
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movement_speed_jump = g_settings->getFloat("movement_speed_jump") * BS;
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movement_liquid_fluidity = g_settings->getFloat("movement_liquid_fluidity") * BS;
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movement_liquid_fluidity_smooth = g_settings->getFloat("movement_liquid_fluidity_smooth") * BS;
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movement_liquid_sink = g_settings->getFloat("movement_liquid_sink") * BS;
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movement_gravity = g_settings->getFloat("movement_gravity") * BS;
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// copy defaults
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m_cloud_params.density = 0.4f;
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m_cloud_params.color_bright = video::SColor(229, 240, 240, 255);
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m_cloud_params.color_ambient = video::SColor(255, 0, 0, 0);
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m_cloud_params.height = 120.0f;
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m_cloud_params.thickness = 16.0f;
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m_cloud_params.speed = v2f(0.0f, -2.0f);
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}
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void RemotePlayer::serializeExtraAttributes(std::string &output)
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{
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assert(m_sao);
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Json::Value json_root;
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const PlayerAttributes &attrs = m_sao->getExtendedAttributes();
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for (const auto &attr : attrs) {
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json_root[attr.first] = attr.second;
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}
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output = fastWriteJson(json_root);
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m_sao->setExtendedAttributeModified(false);
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}
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void RemotePlayer::deSerialize(std::istream &is, const std::string &playername,
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PlayerSAO *sao)
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{
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Settings args;
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if (!args.parseConfigLines(is, "PlayerArgsEnd")) {
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throw SerializationError("PlayerArgsEnd of player " + playername + " not found!");
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}
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m_dirty = true;
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//args.getS32("version"); // Version field value not used
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const std::string &name = args.get("name");
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strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);
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if (sao) {
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try {
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sao->setHPRaw(args.getS32("hp"));
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} catch(SettingNotFoundException &e) {
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sao->setHPRaw(PLAYER_MAX_HP_DEFAULT);
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}
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try {
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sao->setBasePosition(args.getV3F("position"));
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} catch (SettingNotFoundException &e) {}
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try {
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sao->setPitch(args.getFloat("pitch"));
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} catch (SettingNotFoundException &e) {}
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try {
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sao->setYaw(args.getFloat("yaw"));
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} catch (SettingNotFoundException &e) {}
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try {
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sao->setBreath(args.getS32("breath"), false);
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} catch (SettingNotFoundException &e) {}
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try {
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const std::string &extended_attributes = args.get("extended_attributes");
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std::istringstream iss(extended_attributes);
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Json::CharReaderBuilder builder;
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builder.settings_["collectComments"] = false;
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std::string errs;
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Json::Value attr_root;
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Json::parseFromStream(builder, iss, &attr_root, &errs);
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const Json::Value::Members attr_list = attr_root.getMemberNames();
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for (const auto &it : attr_list) {
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Json::Value attr_value = attr_root[it];
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sao->setExtendedAttribute(it, attr_value.asString());
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}
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} catch (SettingNotFoundException &e) {}
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}
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inventory.deSerialize(is);
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if (inventory.getList("craftpreview") == NULL) {
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// Convert players without craftpreview
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inventory.addList("craftpreview", 1);
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bool craftresult_is_preview = true;
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if(args.exists("craftresult_is_preview"))
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craftresult_is_preview = args.getBool("craftresult_is_preview");
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if(craftresult_is_preview)
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{
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// Clear craftresult
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inventory.getList("craftresult")->changeItem(0, ItemStack());
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}
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}
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}
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void RemotePlayer::serialize(std::ostream &os)
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{
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// Utilize a Settings object for storing values
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Settings args;
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args.setS32("version", 1);
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args.set("name", m_name);
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// This should not happen
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assert(m_sao);
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args.setS32("hp", m_sao->getHP());
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args.setV3F("position", m_sao->getBasePosition());
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args.setFloat("pitch", m_sao->getPitch());
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args.setFloat("yaw", m_sao->getYaw());
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args.setS32("breath", m_sao->getBreath());
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std::string extended_attrs;
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serializeExtraAttributes(extended_attrs);
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args.set("extended_attributes", extended_attrs);
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args.writeLines(os);
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os<<"PlayerArgsEnd\n";
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inventory.serialize(os);
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}
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const RemotePlayerChatResult RemotePlayer::canSendChatMessage()
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{
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// Rate limit messages
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u32 now = time(NULL);
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float time_passed = now - m_last_chat_message_sent;
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m_last_chat_message_sent = now;
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// If this feature is disabled
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if (m_setting_chat_message_limit_per_10sec <= 0.0) {
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return RPLAYER_CHATRESULT_OK;
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}
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m_chat_message_allowance += time_passed * (m_setting_chat_message_limit_per_10sec / 8.0f);
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if (m_chat_message_allowance > m_setting_chat_message_limit_per_10sec) {
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m_chat_message_allowance = m_setting_chat_message_limit_per_10sec;
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}
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if (m_chat_message_allowance < 1.0f) {
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infostream << "Player " << m_name
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<< " chat limited due to excessive message amount." << std::endl;
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// Kick player if flooding is too intensive
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m_message_rate_overhead++;
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if (m_message_rate_overhead > RemotePlayer::m_setting_chat_message_limit_trigger_kick) {
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return RPLAYER_CHATRESULT_KICK;
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}
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return RPLAYER_CHATRESULT_FLOODING;
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}
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// Reinit message overhead
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if (m_message_rate_overhead > 0) {
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m_message_rate_overhead = 0;
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}
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m_chat_message_allowance -= 1.0f;
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return RPLAYER_CHATRESULT_OK;
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}
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