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
RemotePlayer(const char * name,IItemDefManager * idef)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
canSendChatMessage()87 const 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
onSuccessfulSave()126 void RemotePlayer::onSuccessfulSave()
127 {
128 setModified(false);
129 if (m_sao)
130 m_sao->getMeta().setModified(false);
131 }
132