1 /*
2 Minetest
3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 Copyright (C) 2015 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 "clientopcodes.h"
22 
23 const static ToClientCommandHandler null_command_handler = {"TOCLIENT_NULL", TOCLIENT_STATE_ALL, &Client::handleCommand_Null};
24 
25 const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
26 {
27 	null_command_handler, // 0x00 (never use this)
28 	null_command_handler, // 0x01
29 	{ "TOCLIENT_HELLO",                   TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_Hello }, // 0x02
30 	{ "TOCLIENT_AUTH_ACCEPT",             TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_AuthAccept }, // 0x03
31 	{ "TOCLIENT_ACCEPT_SUDO_MODE",        TOCLIENT_STATE_CONNECTED, &Client::handleCommand_AcceptSudoMode}, // 0x04
32 	{ "TOCLIENT_DENY_SUDO_MODE",          TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DenySudoMode}, // 0x05
33 	null_command_handler, // 0x06
34 	null_command_handler, // 0x07
35 	null_command_handler, // 0x08
36 	null_command_handler, // 0x09
37 	{ "TOCLIENT_ACCESS_DENIED",           TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_AccessDenied }, // 0x0A
38 	null_command_handler, // 0x0B
39 	null_command_handler, // 0x0C
40 	null_command_handler, // 0x0D
41 	null_command_handler, // 0x0E
42 	null_command_handler, // 0x0F
43 	null_command_handler, // 0x10
44 	null_command_handler,
45 	null_command_handler,
46 	null_command_handler,
47 	null_command_handler,
48 	null_command_handler,
49 	null_command_handler,
50 	null_command_handler,
51 	null_command_handler,
52 	null_command_handler,
53 	null_command_handler,
54 	null_command_handler,
55 	null_command_handler,
56 	null_command_handler,
57 	null_command_handler,
58 	null_command_handler,
59 	{ "TOCLIENT_BLOCKDATA",                TOCLIENT_STATE_CONNECTED, &Client::handleCommand_BlockData }, // 0x20
60 	{ "TOCLIENT_ADDNODE",                  TOCLIENT_STATE_CONNECTED, &Client::handleCommand_AddNode }, // 0x21
61 	{ "TOCLIENT_REMOVENODE",               TOCLIENT_STATE_CONNECTED, &Client::handleCommand_RemoveNode }, // 0x22
62 	null_command_handler,
63 	null_command_handler,
64 	null_command_handler,
65 	null_command_handler,
66 	{ "TOCLIENT_INVENTORY",                TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Inventory }, // 0x27
67 	null_command_handler,
68 	{ "TOCLIENT_TIME_OF_DAY",              TOCLIENT_STATE_CONNECTED, &Client::handleCommand_TimeOfDay }, // 0x29
69 	{ "TOCLIENT_CSM_RESTRICTION_FLAGS",    TOCLIENT_STATE_CONNECTED, &Client::handleCommand_CSMRestrictionFlags }, // 0x2A
70 	{ "TOCLIENT_PLAYER_SPEED",             TOCLIENT_STATE_CONNECTED, &Client::handleCommand_PlayerSpeed }, // 0x2B
71 	{ "TOCLIENT_MEDIA_PUSH",               TOCLIENT_STATE_CONNECTED, &Client::handleCommand_MediaPush }, // 0x2C
72 	null_command_handler,
73 	null_command_handler,
74 	{ "TOCLIENT_CHAT_MESSAGE",             TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ChatMessage }, // 0x2F
75 	null_command_handler, // 0x30
76 	{ "TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ActiveObjectRemoveAdd }, // 0x31
77 	{ "TOCLIENT_ACTIVE_OBJECT_MESSAGES",   TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ActiveObjectMessages }, // 0x32
78 	{ "TOCLIENT_HP",                       TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HP }, // 0x33
79 	{ "TOCLIENT_MOVE_PLAYER",              TOCLIENT_STATE_CONNECTED, &Client::handleCommand_MovePlayer }, // 0x34
80 	{ "TOCLIENT_ACCESS_DENIED_LEGACY",     TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_AccessDenied }, // 0x35
81 	{ "TOCLIENT_FOV",                      TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Fov }, // 0x36
82 	{ "TOCLIENT_DEATHSCREEN",              TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeathScreen }, // 0x37
83 	{ "TOCLIENT_MEDIA",                    TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Media }, // 0x38
84 	null_command_handler,
85 	{ "TOCLIENT_NODEDEF",                  TOCLIENT_STATE_CONNECTED, &Client::handleCommand_NodeDef }, // 0x3a
86 	null_command_handler,
87 	{ "TOCLIENT_ANNOUNCE_MEDIA",           TOCLIENT_STATE_CONNECTED, &Client::handleCommand_AnnounceMedia }, // 0x3c
88 	{ "TOCLIENT_ITEMDEF",                  TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ItemDef }, // 0x3d
89 	null_command_handler,
90 	{ "TOCLIENT_PLAY_SOUND",               TOCLIENT_STATE_CONNECTED, &Client::handleCommand_PlaySound }, // 0x3f
91 	{ "TOCLIENT_STOP_SOUND",               TOCLIENT_STATE_CONNECTED, &Client::handleCommand_StopSound }, // 0x40
92 	{ "TOCLIENT_PRIVILEGES",               TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Privileges }, // 0x41
93 	{ "TOCLIENT_INVENTORY_FORMSPEC",       TOCLIENT_STATE_CONNECTED, &Client::handleCommand_InventoryFormSpec }, // 0x42
94 	{ "TOCLIENT_DETACHED_INVENTORY",       TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DetachedInventory }, // 0x43
95 	{ "TOCLIENT_SHOW_FORMSPEC",            TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ShowFormSpec }, // 0x44
96 	{ "TOCLIENT_MOVEMENT",                 TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Movement }, // 0x45
97 	{ "TOCLIENT_SPAWN_PARTICLE",           TOCLIENT_STATE_CONNECTED, &Client::handleCommand_SpawnParticle }, // 0x46
98 	{ "TOCLIENT_ADD_PARTICLESPAWNER",      TOCLIENT_STATE_CONNECTED, &Client::handleCommand_AddParticleSpawner }, // 0x47
99 	null_command_handler,
100 	{ "TOCLIENT_HUDADD",                   TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudAdd }, // 0x49
101 	{ "TOCLIENT_HUDRM",                    TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudRemove }, // 0x4a
102 	{ "TOCLIENT_HUDCHANGE",                TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudChange }, // 0x4b
103 	{ "TOCLIENT_HUD_SET_FLAGS",            TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudSetFlags }, // 0x4c
104 	{ "TOCLIENT_HUD_SET_PARAM",            TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudSetParam }, // 0x4d
105 	{ "TOCLIENT_BREATH",                   TOCLIENT_STATE_CONNECTED, &Client::handleCommand_Breath }, // 0x4e
106 	{ "TOCLIENT_SET_SKY",                  TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudSetSky }, // 0x4f
107 	{ "TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_OverrideDayNightRatio }, // 0x50
108 	{ "TOCLIENT_LOCAL_PLAYER_ANIMATIONS",  TOCLIENT_STATE_CONNECTED, &Client::handleCommand_LocalPlayerAnimations }, // 0x51
109 	{ "TOCLIENT_EYE_OFFSET",               TOCLIENT_STATE_CONNECTED, &Client::handleCommand_EyeOffset }, // 0x52
110 	{ "TOCLIENT_DELETE_PARTICLESPAWNER",   TOCLIENT_STATE_CONNECTED, &Client::handleCommand_DeleteParticleSpawner }, // 0x53
111 	{ "TOCLIENT_CLOUD_PARAMS",             TOCLIENT_STATE_CONNECTED, &Client::handleCommand_CloudParams }, // 0x54
112 	{ "TOCLIENT_FADE_SOUND",               TOCLIENT_STATE_CONNECTED, &Client::handleCommand_FadeSound }, // 0x55
113 	{ "TOCLIENT_UPDATE_PLAYER_LIST",       TOCLIENT_STATE_CONNECTED, &Client::handleCommand_UpdatePlayerList }, // 0x56
114 	{ "TOCLIENT_MODCHANNEL_MSG",           TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ModChannelMsg }, // 0x57
115 	{ "TOCLIENT_MODCHANNEL_SIGNAL",        TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ModChannelSignal }, // 0x58
116 	{ "TOCLIENT_NODEMETA_CHANGED",         TOCLIENT_STATE_CONNECTED, &Client::handleCommand_NodemetaChanged }, // 0x59
117 	{ "TOCLIENT_SET_SUN",                  TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudSetSun }, // 0x5a
118 	{ "TOCLIENT_SET_MOON",                 TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudSetMoon }, // 0x5b
119 	{ "TOCLIENT_SET_STARS",                TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HudSetStars }, // 0x5c
120 	null_command_handler,
121 	null_command_handler,
122 	null_command_handler,
123 	{ "TOCLIENT_SRP_BYTES_S_B",            TOCLIENT_STATE_NOT_CONNECTED, &Client::handleCommand_SrpBytesSandB }, // 0x60
124 	{ "TOCLIENT_FORMSPEC_PREPEND",         TOCLIENT_STATE_CONNECTED, &Client::handleCommand_FormspecPrepend }, // 0x61,
125 	{ "TOCLIENT_MINIMAP_MODES",            TOCLIENT_STATE_CONNECTED, &Client::handleCommand_MinimapModes }, // 0x62,
126 };
127 
128 const static ServerCommandFactory null_command_factory = { "TOSERVER_NULL", 0, false };
129 
130 /*
131 	Channels used for Client -> Server communication
132 	2: Notifications back to the server (e.g. GOTBLOCKS)
133 	1: Init and Authentication
134 	0: everything else
135 
136 	Packet order is only guaranteed inside a channel, so packets that operate on
137 	the same objects are *required* to be in the same channel.
138 */
139 
140 const ServerCommandFactory serverCommandFactoryTable[TOSERVER_NUM_MSG_TYPES] =
141 {
142 	null_command_factory, // 0x00
143 	null_command_factory, // 0x01
144 	{ "TOSERVER_INIT",               1, false }, // 0x02
145 	null_command_factory, // 0x03
146 	null_command_factory, // 0x04
147 	null_command_factory, // 0x05
148 	null_command_factory, // 0x06
149 	null_command_factory, // 0x07
150 	null_command_factory, // 0x08
151 	null_command_factory, // 0x09
152 	null_command_factory, // 0x0a
153 	null_command_factory, // 0x0b
154 	null_command_factory, // 0x0c
155 	null_command_factory, // 0x0d
156 	null_command_factory, // 0x0e
157 	null_command_factory, // 0x0f
158 	null_command_factory, // 0x10
159 	{ "TOSERVER_INIT2",              1, true }, // 0x11
160 	null_command_factory, // 0x12
161 	null_command_factory, // 0x13
162 	null_command_factory, // 0x14
163 	null_command_factory, // 0x15
164 	null_command_factory, // 0x16
165 	{ "TOSERVER_MODCHANNEL_JOIN",    0, true }, // 0x17
166 	{ "TOSERVER_MODCHANNEL_LEAVE",   0, true }, // 0x18
167 	{ "TOSERVER_MODCHANNEL_MSG",     0, true }, // 0x19
168 	null_command_factory, // 0x1a
169 	null_command_factory, // 0x1b
170 	null_command_factory, // 0x1c
171 	null_command_factory, // 0x1d
172 	null_command_factory, // 0x1e
173 	null_command_factory, // 0x1f
174 	null_command_factory, // 0x20
175 	null_command_factory, // 0x21
176 	null_command_factory, // 0x22
177 	{ "TOSERVER_PLAYERPOS",          0, false }, // 0x23
178 	{ "TOSERVER_GOTBLOCKS",          2, true }, // 0x24
179 	{ "TOSERVER_DELETEDBLOCKS",      2, true }, // 0x25
180 	null_command_factory, // 0x26
181 	null_command_factory, // 0x27
182 	null_command_factory, // 0x28
183 	null_command_factory, // 0x29
184 	null_command_factory, // 0x2a
185 	null_command_factory, // 0x2b
186 	null_command_factory, // 0x2c
187 	null_command_factory, // 0x2d
188 	null_command_factory, // 0x2e
189 	null_command_factory, // 0x2f
190 	null_command_factory, // 0x30
191 	{ "TOSERVER_INVENTORY_ACTION",   0, true }, // 0x31
192 	{ "TOSERVER_CHAT_MESSAGE",       0, true }, // 0x32
193 	null_command_factory, // 0x33
194 	null_command_factory, // 0x34
195 	{ "TOSERVER_DAMAGE",             0, true }, // 0x35
196 	null_command_factory, // 0x36
197 	{ "TOSERVER_PLAYERITEM",         0, true }, // 0x37
198 	{ "TOSERVER_RESPAWN",            0, true }, // 0x38
199 	{ "TOSERVER_INTERACT",           0, true }, // 0x39
200 	{ "TOSERVER_REMOVED_SOUNDS",     2, true }, // 0x3a
201 	{ "TOSERVER_NODEMETA_FIELDS",    0, true }, // 0x3b
202 	{ "TOSERVER_INVENTORY_FIELDS",   0, true }, // 0x3c
203 	null_command_factory, // 0x3d
204 	null_command_factory, // 0x3e
205 	null_command_factory, // 0x3f
206 	{ "TOSERVER_REQUEST_MEDIA",      1, true }, // 0x40
207 	null_command_factory, // 0x41
208 	null_command_factory, // 0x42
209 	{ "TOSERVER_CLIENT_READY",       1, true }, // 0x43
210 	null_command_factory, // 0x44
211 	null_command_factory, // 0x45
212 	null_command_factory, // 0x46
213 	null_command_factory, // 0x47
214 	null_command_factory, // 0x48
215 	null_command_factory, // 0x49
216 	null_command_factory, // 0x4a
217 	null_command_factory, // 0x4b
218 	null_command_factory, // 0x4c
219 	null_command_factory, // 0x4d
220 	null_command_factory, // 0x4e
221 	null_command_factory, // 0x4f
222 	{ "TOSERVER_FIRST_SRP",          1, true }, // 0x50
223 	{ "TOSERVER_SRP_BYTES_A",        1, true }, // 0x51
224 	{ "TOSERVER_SRP_BYTES_M",        1, true }, // 0x52
225 };
226