src/remoteplayer.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2016 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2014-2016 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
   5
   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.
  10
  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.
  15
  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.
  19 */
  20
  21 #include "remoteplayer.h"
  22 #include <json/json.h>
  23 #include "filesys.h"
  24 #include "gamedef.h"
  25 #include "porting.h"  // strlcpy
  26 #include "server.h"
  27 #include "settings.h"
  28 #include "convert_json.h"
  29 #include "server/player_sao.h"
  30
  31 /*
  32         RemotePlayer
  33 */
  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;
  38
  39 RemotePlayer::RemotePlayer(const char *name, IItemDefManager *idef):
  40         Player(name, idef)
  41 {
  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;
  48         }
  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;
  61
  62         // copy defaults
  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);
  69
  70         // Skybox defaults:
  71
  72         SkyboxDefaults sky_defaults;
  73
  74         m_skybox_params.sky_color = sky_defaults.getSkyColorDefaults();
  75         m_skybox_params.type = "regular";
  76         m_skybox_params.clouds = true;
  77         m_skybox_params.fog_sun_tint = video::SColor(255, 244, 125, 29);
  78         m_skybox_params.fog_moon_tint = video::SColorf(0.5, 0.6, 0.8, 1).toSColor();
  79         m_skybox_params.fog_tint_type = "default";
  80
  81         m_sun_params = sky_defaults.getSunDefaults();
  82         m_moon_params = sky_defaults.getMoonDefaults();
  83         m_star_params = sky_defaults.getStarDefaults();
  84 }
  85
  86
  87 RemotePlayerChatResult RemotePlayer::canSendChatMessage()
  88 {
  89         // Rate limit messages
  90         u32 now = time(NULL);
  91         float time_passed = now - m_last_chat_message_sent;
  92         m_last_chat_message_sent = now;
  93
  94         // If this feature is disabled
  95         if (m_setting_chat_message_limit_per_10sec <= 0.0) {
  96                 return RPLAYER_CHATRESULT_OK;
  97         }
  98
  99         m_chat_message_allowance += time_passed * (m_setting_chat_message_limit_per_10sec / 8.0f);
 100         if (m_chat_message_allowance > m_setting_chat_message_limit_per_10sec) {
 101                 m_chat_message_allowance = m_setting_chat_message_limit_per_10sec;
 102         }
 103
 104         if (m_chat_message_allowance < 1.0f) {
 105                 infostream << "Player " << m_name
 106                                 << " chat limited due to excessive message amount." << std::endl;
 107
 108                 // Kick player if flooding is too intensive
 109                 m_message_rate_overhead++;
 110                 if (m_message_rate_overhead > RemotePlayer::m_setting_chat_message_limit_trigger_kick) {
 111                         return RPLAYER_CHATRESULT_KICK;
 112                 }
 113
 114                 return RPLAYER_CHATRESULT_FLOODING;
 115         }
 116
 117         // Reinit message overhead
 118         if (m_message_rate_overhead > 0) {
 119                 m_message_rate_overhead = 0;
 120         }
 121
 122         m_chat_message_allowance -= 1.0f;
 123         return RPLAYER_CHATRESULT_OK;
 124 }
 125
 126 void RemotePlayer::onSuccessfulSave()
 127 {
 128         setModified(false);
 129         if (m_sao)
 130                 m_sao->getMeta().setModified(false);
 131 }