src/clientserver.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #ifndef CLIENTSERVER_HEADER
  21 #define CLIENTSERVER_HEADER
  22
  23 /*
  24         changes by PROTOCOL_VERSION:
  25
  26         PROTOCOL_VERSION 3:
  27                 Base for writing changes here
  28         PROTOCOL_VERSION 4:
  29                 Add TOCLIENT_MEDIA
  30                 Add TOCLIENT_TOOLDEF
  31                 Add TOCLIENT_NODEDEF
  32                 Add TOCLIENT_CRAFTITEMDEF
  33                 Add TOSERVER_INTERACT
  34                 Obsolete TOSERVER_CLICK_ACTIVEOBJECT
  35                 Obsolete TOSERVER_GROUND_ACTION
  36         PROTOCOL_VERSION 5:
  37                 Make players to be handled mostly as ActiveObjects
  38         PROTOCOL_VERSION 6:
  39                 Only non-cached textures are sent
  40         PROTOCOL_VERSION 7:
  41                 Add TOCLIENT_ITEMDEF
  42                 Obsolete TOCLIENT_TOOLDEF
  43                 Obsolete TOCLIENT_CRAFTITEMDEF
  44                 Compress the contents of TOCLIENT_ITEMDEF and TOCLIENT_NODEDEF
  45         PROTOCOL_VERSION 8:
  46                 Digging based on item groups
  47                 Many things
  48         PROTOCOL_VERSION 9:
  49                 ContentFeatures and NodeDefManager use a different serialization
  50                     format; better for future version cross-compatibility
  51                 Many things
  52         PROTOCOL_VERSION 10:
  53                 TOCLIENT_PRIVILEGES
  54                 Version raised to force 'fly' and 'fast' privileges into effect.
  55                 Node metadata change (came in later; somewhat incompatible)
  56         PROTOCOL_VERSION 11:
  57                 TileDef in ContentFeatures
  58                 Nodebox drawtype
  59                 (some dev snapshot)
  60                 TOCLIENT_INVENTORY_FORMSPEC
  61                 (0.4.0, 0.4.1)
  62         PROTOCOL_VERSION 12:
  63                 TOSERVER_INVENTORY_FIELDS
  64                 16-bit node ids
  65                 TOCLIENT_DETACHED_INVENTORY
  66         PROTOCOL_VERSION 13:
  67                 InventoryList field "Width" (deserialization fails with old versions)
  68         PROTOCOL_VERSION 14:
  69                 Added transfer of player pressed keys to the server
  70                 Added new messages for mesh and bone animation, as well as attachments
  71                 GENERIC_CMD_SET_ANIMATION
  72                 GENERIC_CMD_SET_BONE_POSITION
  73                 GENERIC_CMD_SET_ATTACHMENT
  74         PROTOCOL_VERSION 15:
  75                 Serialization format changes
  76         PROTOCOL_VERSION 16:
  77                 TOCLIENT_SHOW_FORMSPEC
  78         PROTOCOL_VERSION 17:
  79                 Serialization format change: include backface_culling flag in TileDef
  80                 Added rightclickable field in nodedef
  81                 TOCLIENT_SPAWN_PARTICLE
  82                 TOCLIENT_ADD_PARTICLESPAWNER
  83                 TOCLIENT_DELETE_PARTICLESPAWNER
  84         PROTOCOL_VERSION 18:
  85                 damageGroups added to ToolCapabilities
  86                 sound_place added to ItemDefinition
  87         PROTOCOL_VERSION 19:
  88                 GENERIC_CMD_SET_PHYSICS_OVERRIDE
  89         PROTOCOL_VERSION 20:
  90                 TOCLIENT_HUDADD
  91                 TOCLIENT_HUDRM
  92                 TOCLIENT_HUDCHANGE
  93                 TOCLIENT_HUD_SET_FLAGS
  94         PROTOCOL_VERSION 21:
  95                 TOCLIENT_BREATH
  96                 TOSERVER_BREATH
  97                 range added to ItemDefinition
  98                 drowning, leveled and liquid_range added to ContentFeatures
  99                 stepheight and collideWithObjects added to object properties
 100                 version, heat and humidity transfer in MapBock
 101                 automatic_face_movement_dir and automatic_face_movement_dir_offset
 102                         added to object properties
 103         PROTOCOL_VERSION 22:
 104                 add swap_node
 105         PROTOCOL_VERSION 23:
 106                 TOSERVER_CLIENT_READY
 107 */
 108
 109 #define LATEST_PROTOCOL_VERSION 23
 110
 111 // Server's supported network protocol range
 112 #define SERVER_PROTOCOL_VERSION_MIN 13
 113 #define SERVER_PROTOCOL_VERSION_MAX LATEST_PROTOCOL_VERSION
 114
 115 // Client's supported network protocol range
 116 #define CLIENT_PROTOCOL_VERSION_MIN 13
 117 #define CLIENT_PROTOCOL_VERSION_MAX LATEST_PROTOCOL_VERSION
 118
 119 // Constant that differentiates the protocol from random data and other protocols
 120 #define PROTOCOL_ID 0x4f457403
 121
 122 #define PASSWORD_SIZE 28       // Maximum password length. Allows for
 123                                // base64-encoded SHA-1 (27+\0).
 124
 125 #define TEXTURENAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_.-"
 126
 127 enum ToClientCommand
 128 {
 129         TOCLIENT_INIT = 0x10,
 130         /*
 131                 Server's reply to TOSERVER_INIT.
 132                 Sent second after connected.
 133
 134                 [0] u16 TOSERVER_INIT
 135                 [2] u8 deployed version
 136                 [3] v3s16 player's position + v3f(0,BS/2,0) floatToInt'd
 137                 [12] u64 map seed (new as of 2011-02-27)
 138                 [20] f1000 recommended send interval (in seconds) (new as of 14)
 139
 140                 NOTE: The position in here is deprecated; position is
 141                       explicitly sent afterwards
 142         */
 143
 144         TOCLIENT_BLOCKDATA = 0x20, //TODO: Multiple blocks
 145         TOCLIENT_ADDNODE = 0x21,
 146         /*
 147                 u16 command
 148                 v3s16 position
 149                 serialized mapnode
 150                 u8 keep_metadata // Added in protocol version 22
 151         */
 152         TOCLIENT_REMOVENODE = 0x22,
 153
 154         TOCLIENT_PLAYERPOS = 0x23, // Obsolete
 155         /*
 156                 [0] u16 command
 157                 // Followed by an arbitary number of these:
 158                 // Number is determined from packet length.
 159                 [N] u16 peer_id
 160                 [N+2] v3s32 position*100
 161                 [N+2+12] v3s32 speed*100
 162                 [N+2+12+12] s32 pitch*100
 163                 [N+2+12+12+4] s32 yaw*100
 164         */
 165
 166         TOCLIENT_PLAYERINFO = 0x24, // Obsolete
 167         /*
 168                 [0] u16 command
 169                 // Followed by an arbitary number of these:
 170                 // Number is determined from packet length.
 171                 [N] u16 peer_id
 172                 [N] char[20] name
 173         */
 174
 175         TOCLIENT_OPT_BLOCK_NOT_FOUND = 0x25, // Obsolete
 176
 177         TOCLIENT_SECTORMETA = 0x26, // Obsolete
 178         /*
 179                 [0] u16 command
 180                 [2] u8 sector count
 181                 [3...] v2s16 pos + sector metadata
 182         */
 183
 184         TOCLIENT_INVENTORY = 0x27,
 185         /*
 186                 [0] u16 command
 187                 [2] serialized inventory
 188         */
 189
 190         TOCLIENT_OBJECTDATA = 0x28, // Obsolete
 191         /*
 192                 Sent as unreliable.
 193
 194                 u16 command
 195                 u16 number of player positions
 196                 for each player:
 197                         u16 peer_id
 198                         v3s32 position*100
 199                         v3s32 speed*100
 200                         s32 pitch*100
 201                         s32 yaw*100
 202                 u16 count of blocks
 203                 for each block:
 204                         v3s16 blockpos
 205                         block objects
 206         */
 207
 208         TOCLIENT_TIME_OF_DAY = 0x29,
 209         /*
 210                 u16 command
 211                 u16 time (0-23999)
 212                 Added in a later version:
 213                 f1000 time_speed
 214         */
 215
 216         // (oops, there is some gap here)
 217
 218         TOCLIENT_CHAT_MESSAGE = 0x30,
 219         /*
 220                 u16 command
 221                 u16 length
 222                 wstring message
 223         */
 224
 225         TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD = 0x31,
 226         /*
 227                 u16 command
 228                 u16 count of removed objects
 229                 for all removed objects {
 230                         u16 id
 231                 }
 232                 u16 count of added objects
 233                 for all added objects {
 234                         u16 id
 235                         u8 type
 236                         u32 initialization data length
 237                         string initialization data
 238                 }
 239         */
 240
 241         TOCLIENT_ACTIVE_OBJECT_MESSAGES = 0x32,
 242         /*
 243                 u16 command
 244                 for all objects
 245                 {
 246                         u16 id
 247                         u16 message length
 248                         string message
 249                 }
 250         */
 251
 252         TOCLIENT_HP = 0x33,
 253         /*
 254                 u16 command
 255                 u8 hp
 256         */
 257
 258         TOCLIENT_MOVE_PLAYER = 0x34,
 259         /*
 260                 u16 command
 261                 v3f1000 player position
 262                 f1000 player pitch
 263                 f1000 player yaw
 264         */
 265
 266         TOCLIENT_ACCESS_DENIED = 0x35,
 267         /*
 268                 u16 command
 269                 u16 reason_length
 270                 wstring reason
 271         */
 272
 273         TOCLIENT_PLAYERITEM = 0x36, // Obsolete
 274         /*
 275                 u16 command
 276                 u16 count of player items
 277                 for all player items {
 278                         u16 peer id
 279                         u16 length of serialized item
 280                         string serialized item
 281                 }
 282         */
 283
 284         TOCLIENT_DEATHSCREEN = 0x37,
 285         /*
 286                 u16 command
 287                 u8 bool set camera point target
 288                 v3f1000 camera point target (to point the death cause or whatever)
 289         */
 290
 291         TOCLIENT_MEDIA = 0x38,
 292         /*
 293                 u16 command
 294                 u16 total number of texture bunches
 295                 u16 index of this bunch
 296                 u32 number of files in this bunch
 297                 for each file {
 298                         u16 length of name
 299                         string name
 300                         u32 length of data
 301                         data
 302                 }
 303                 u16 length of remote media server url (if applicable)
 304                 string url
 305         */
 306
 307         TOCLIENT_TOOLDEF = 0x39,
 308         /*
 309                 u16 command
 310                 u32 length of the next item
 311                 serialized ToolDefManager
 312         */
 313
 314         TOCLIENT_NODEDEF = 0x3a,
 315         /*
 316                 u16 command
 317                 u32 length of the next item
 318                 serialized NodeDefManager
 319         */
 320
 321         TOCLIENT_CRAFTITEMDEF = 0x3b,
 322         /*
 323                 u16 command
 324                 u32 length of the next item
 325                 serialized CraftiItemDefManager
 326         */
 327
 328         TOCLIENT_ANNOUNCE_MEDIA = 0x3c,
 329
 330         /*
 331                 u16 command
 332                 u32 number of files
 333                 for each texture {
 334                         u16 length of name
 335                         string name
 336                         u16 length of sha1_digest
 337                         string sha1_digest
 338                 }
 339         */
 340
 341         TOCLIENT_ITEMDEF = 0x3d,
 342         /*
 343                 u16 command
 344                 u32 length of next item
 345                 serialized ItemDefManager
 346         */
 347
 348         TOCLIENT_PLAY_SOUND = 0x3f,
 349         /*
 350                 u16 command
 351                 s32 sound_id
 352                 u16 len
 353                 u8[len] sound name
 354                 s32 gain*1000
 355                 u8 type (0=local, 1=positional, 2=object)
 356                 s32[3] pos_nodes*10000
 357                 u16 object_id
 358                 u8 loop (bool)
 359         */
 360
 361         TOCLIENT_STOP_SOUND = 0x40,
 362         /*
 363                 u16 command
 364                 s32 sound_id
 365         */
 366
 367         TOCLIENT_PRIVILEGES = 0x41,
 368         /*
 369                 u16 command
 370                 u16 number of privileges
 371                 for each privilege
 372                         u16 len
 373                         u8[len] privilege
 374         */
 375
 376         TOCLIENT_INVENTORY_FORMSPEC = 0x42,
 377         /*
 378                 u16 command
 379                 u32 len
 380                 u8[len] formspec
 381         */
 382
 383         TOCLIENT_DETACHED_INVENTORY = 0x43,
 384         /*
 385                 [0] u16 command
 386                 u16 len
 387                 u8[len] name
 388                 [2] serialized inventory
 389         */
 390
 391         TOCLIENT_SHOW_FORMSPEC = 0x44,
 392         /*
 393                 [0] u16 command
 394                 u32 len
 395                 u8[len] formspec
 396                 u16 len
 397                 u8[len] formname
 398         */
 399
 400         TOCLIENT_MOVEMENT = 0x45,
 401         /*
 402                 u16 command
 403                 f1000 movement_acceleration_default
 404                 f1000 movement_acceleration_air
 405                 f1000 movement_acceleration_fast
 406                 f1000 movement_speed_walk
 407                 f1000 movement_speed_crouch
 408                 f1000 movement_speed_fast
 409                 f1000 movement_speed_climb
 410                 f1000 movement_speed_jump
 411                 f1000 movement_liquid_fluidity
 412                 f1000 movement_liquid_fluidity_smooth
 413                 f1000 movement_liquid_sink
 414                 f1000 movement_gravity
 415         */
 416
 417         TOCLIENT_SPAWN_PARTICLE = 0x46,
 418         /*
 419                 u16 command
 420                 v3f1000 pos
 421                 v3f1000 velocity
 422                 v3f1000 acceleration
 423                 f1000 expirationtime
 424                 f1000 size
 425                 u8 bool collisiondetection
 426                 u8 bool vertical
 427                 u32 len
 428                 u8[len] texture
 429         */
 430
 431         TOCLIENT_ADD_PARTICLESPAWNER = 0x47,
 432         /*
 433                 u16 command
 434                 u16 amount
 435                 f1000 spawntime
 436                 v3f1000 minpos
 437                 v3f1000 maxpos
 438                 v3f1000 minvel
 439                 v3f1000 maxvel
 440                 v3f1000 minacc
 441                 v3f1000 maxacc
 442                 f1000 minexptime
 443                 f1000 maxexptime
 444                 f1000 minsize
 445                 f1000 maxsize
 446                 u8 bool collisiondetection
 447                 u8 bool vertical
 448                 u32 len
 449                 u8[len] texture
 450                 u32 id
 451         */
 452
 453         TOCLIENT_DELETE_PARTICLESPAWNER = 0x48,
 454         /*
 455                 u16 command
 456                 u32 id
 457         */
 458
 459         TOCLIENT_HUDADD = 0x49,
 460         /*
 461                 u16 command
 462                 u32 id
 463                 u8 type
 464                 v2f1000 pos
 465                 u32 len
 466                 u8[len] name
 467                 v2f1000 scale
 468                 u32 len2
 469                 u8[len2] text
 470                 u32 number
 471                 u32 item
 472                 u32 dir
 473                 v2f1000 align
 474                 v2f1000 offset
 475                 v3f1000 world_pos
 476                 v2s32 size
 477         */
 478
 479         TOCLIENT_HUDRM = 0x4a,
 480         /*
 481                 u16 command
 482                 u32 id
 483         */
 484
 485         TOCLIENT_HUDCHANGE = 0x4b,
 486         /*
 487                 u16 command
 488                 u32 id
 489                 u8 stat
 490                 [v2f1000 data |
 491                  u32 len
 492                  u8[len] data |
 493                  u32 data]
 494         */
 495
 496         TOCLIENT_HUD_SET_FLAGS = 0x4c,
 497         /*
 498                 u16 command
 499                 u32 flags
 500                 u32 mask
 501         */
 502
 503         TOCLIENT_HUD_SET_PARAM = 0x4d,
 504         /*
 505                 u16 command
 506                 u16 param
 507                 u16 len
 508                 u8[len] value
 509         */
 510
 511         TOCLIENT_BREATH = 0x4e,
 512         /*
 513                 u16 command
 514                 u16 breath
 515         */
 516
 517         TOCLIENT_SET_SKY = 0x4f,
 518         /*
 519                 u16 command
 520                 u8[4] color (ARGB)
 521                 u8 len
 522                 u8[len] type
 523                 u16 count
 524                 foreach count:
 525                         u8 len
 526                         u8[len] param
 527         */
 528
 529         TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO = 0x50,
 530         /*
 531                 u16 command
 532                 u8 do_override (boolean)
 533                 u16 day-night ratio 0...65535
 534         */
 535
 536         TOCLIENT_LOCAL_PLAYER_ANIMATIONS = 0x51,
 537         /*
 538                 u16 command
 539                 v2s32 stand/idle
 540                 v2s32 walk
 541                 v2s32 dig
 542                 v2s32 walk+dig
 543                 f1000 frame_speed
 544         */
 545
 546         TOCLIENT_EYE_OFFSET = 0x52,
 547         /*
 548                 u16 command
 549                 v3f1000 first
 550                 v3f1000 third
 551         */
 552 };
 553
 554 enum ToServerCommand
 555 {
 556         TOSERVER_INIT=0x10,
 557         /*
 558                 Sent first after connected.
 559
 560                 [0] u16 TOSERVER_INIT
 561                 [2] u8 SER_FMT_VER_HIGHEST_READ
 562                 [3] u8[20] player_name
 563                 [23] u8[28] password (new in some version)
 564                 [51] u16 minimum supported network protocol version (added sometime)
 565                 [53] u16 maximum supported network protocol version (added later than the previous one)
 566         */
 567
 568         TOSERVER_INIT2 = 0x11,
 569         /*
 570                 Sent as an ACK for TOCLIENT_INIT.
 571                 After this, the server can send data.
 572
 573                 [0] u16 TOSERVER_INIT2
 574         */
 575
 576         TOSERVER_GETBLOCK=0x20, // Obsolete
 577         TOSERVER_ADDNODE = 0x21, // Obsolete
 578         TOSERVER_REMOVENODE = 0x22, // Obsolete
 579
 580         TOSERVER_PLAYERPOS = 0x23,
 581         /*
 582                 [0] u16 command
 583                 [2] v3s32 position*100
 584                 [2+12] v3s32 speed*100
 585                 [2+12+12] s32 pitch*100
 586                 [2+12+12+4] s32 yaw*100
 587                 [2+12+12+4+4] u32 keyPressed
 588         */
 589
 590         TOSERVER_GOTBLOCKS = 0x24,
 591         /*
 592                 [0] u16 command
 593                 [2] u8 count
 594                 [3] v3s16 pos_0
 595                 [3+6] v3s16 pos_1
 596                 ...
 597         */
 598
 599         TOSERVER_DELETEDBLOCKS = 0x25,
 600         /*
 601                 [0] u16 command
 602                 [2] u8 count
 603                 [3] v3s16 pos_0
 604                 [3+6] v3s16 pos_1
 605                 ...
 606         */
 607
 608         TOSERVER_ADDNODE_FROM_INVENTORY = 0x26, // Obsolete
 609         /*
 610                 [0] u16 command
 611                 [2] v3s16 pos
 612                 [8] u16 i
 613         */
 614
 615         TOSERVER_CLICK_OBJECT = 0x27, // Obsolete
 616         /*
 617                 length: 13
 618                 [0] u16 command
 619                 [2] u8 button (0=left, 1=right)
 620                 [3] v3s16 blockpos
 621                 [9] s16 id
 622                 [11] u16 item
 623         */
 624
 625         TOSERVER_GROUND_ACTION = 0x28, // Obsolete
 626         /*
 627                 length: 17
 628                 [0] u16 command
 629                 [2] u8 action
 630                 [3] v3s16 nodepos_undersurface
 631                 [9] v3s16 nodepos_abovesurface
 632                 [15] u16 item
 633                 actions:
 634                 0: start digging (from undersurface)
 635                 1: place block (to abovesurface)
 636                 2: stop digging (all parameters ignored)
 637                 3: digging completed
 638         */
 639
 640         TOSERVER_RELEASE = 0x29, // Obsolete
 641
 642         // (oops, there is some gap here)
 643
 644         TOSERVER_SIGNTEXT = 0x30, // Old signs, obsolete
 645         /*
 646                 u16 command
 647                 v3s16 blockpos
 648                 s16 id
 649                 u16 textlen
 650                 textdata
 651         */
 652
 653         TOSERVER_INVENTORY_ACTION = 0x31,
 654         /*
 655                 See InventoryAction in inventory.h
 656         */
 657
 658         TOSERVER_CHAT_MESSAGE = 0x32,
 659         /*
 660                 u16 command
 661                 u16 length
 662                 wstring message
 663         */
 664
 665         TOSERVER_SIGNNODETEXT = 0x33, // obsolete
 666         /*
 667                 u16 command
 668                 v3s16 p
 669                 u16 textlen
 670                 textdata
 671         */
 672
 673         TOSERVER_CLICK_ACTIVEOBJECT = 0x34, // Obsolete
 674         /*
 675                 length: 7
 676                 [0] u16 command
 677                 [2] u8 button (0=left, 1=right)
 678                 [3] u16 id
 679                 [5] u16 item
 680         */
 681
 682         TOSERVER_DAMAGE = 0x35,
 683         /*
 684                 u16 command
 685                 u8 amount
 686         */
 687
 688         TOSERVER_PASSWORD=0x36,
 689         /*
 690                 Sent to change password.
 691
 692                 [0] u16 TOSERVER_PASSWORD
 693                 [2] u8[28] old password
 694                 [30] u8[28] new password
 695         */
 696
 697         TOSERVER_PLAYERITEM=0x37,
 698         /*
 699                 Sent to change selected item.
 700
 701                 [0] u16 TOSERVER_PLAYERITEM
 702                 [2] u16 item
 703         */
 704
 705         TOSERVER_RESPAWN=0x38,
 706         /*
 707                 u16 TOSERVER_RESPAWN
 708         */
 709
 710         TOSERVER_INTERACT = 0x39,
 711         /*
 712                 [0] u16 command
 713                 [2] u8 action
 714                 [3] u16 item
 715                 [5] u32 length of the next item
 716                 [9] serialized PointedThing
 717                 actions:
 718                 0: start digging (from undersurface) or use
 719                 1: stop digging (all parameters ignored)
 720                 2: digging completed
 721                 3: place block or item (to abovesurface)
 722                 4: use item
 723
 724                 (Obsoletes TOSERVER_GROUND_ACTION and TOSERVER_CLICK_ACTIVEOBJECT.)
 725         */
 726
 727         TOSERVER_REMOVED_SOUNDS = 0x3a,
 728         /*
 729                 u16 command
 730                 u16 len
 731                 s32[len] sound_id
 732         */
 733
 734         TOSERVER_NODEMETA_FIELDS = 0x3b,
 735         /*
 736                 u16 command
 737                 v3s16 p
 738                 u16 len
 739                 u8[len] form name (reserved for future use)
 740                 u16 number of fields
 741                 for each field:
 742                         u16 len
 743                         u8[len] field name
 744                         u32 len
 745                         u8[len] field value
 746         */
 747
 748         TOSERVER_INVENTORY_FIELDS = 0x3c,
 749         /*
 750                 u16 command
 751                 u16 len
 752                 u8[len] form name (reserved for future use)
 753                 u16 number of fields
 754                 for each field:
 755                         u16 len
 756                         u8[len] field name
 757                         u32 len
 758                         u8[len] field value
 759         */
 760
 761         TOSERVER_REQUEST_MEDIA = 0x40,
 762         /*
 763                 u16 command
 764                 u16 number of files requested
 765                 for each file {
 766                         u16 length of name
 767                         string name
 768                 }
 769          */
 770
 771         TOSERVER_RECEIVED_MEDIA = 0x41,
 772         /*
 773                 u16 command
 774         */
 775
 776         TOSERVER_BREATH = 0x42,
 777         /*
 778                 u16 command
 779                 u16 breath
 780         */
 781
 782         TOSERVER_CLIENT_READY = 0x43,
 783         /*
 784                 u8 major
 785                 u8 minor
 786                 u8 patch
 787                 u8 reserved
 788                 u16 len
 789                 u8[len] full_version_string
 790         */
 791 };
 792
 793 #endif
 794