// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id: D_net.h,v 1.1 2000/04/09 18:22:16 proff_fs Exp $ // // PRBOOM/GLBOOM (C) Florian 'Proff' Schulze (florian.proff.schulze@gmx.net) // based on // BOOM, a modified and improved DOOM engine // Copyright (C) 1999 by // id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA // 02111-1307, USA. // // DESCRIPTION: // Networking stuff. // //----------------------------------------------------------------------------- #ifndef __D_NET__ #define __D_NET__ #include "d_player.h" // // Network play related stuff. // There is a data struct that stores network // communication related stuff, and another // one that defines the actual packets to // be transmitted. // #define DOOMCOM_ID 0x12345678l // Max computers/players in a game. #define MAXNETNODES 8 // Networking and tick handling related. #define BACKUPTICS 12 typedef enum { CMD_SEND = 1, CMD_GET = 2 } command_t; // // Network packet data. // typedef struct { // High bit is retransmit request. unsigned checksum; // Only valid if NCMD_RETRANSMIT. byte retransmitfrom; byte starttic; byte player; byte numtics; ticcmd_t cmds[BACKUPTICS]; } doomdata_t; // // Startup packet difference // SG: 4/12/98 // Added so we can send more startup data to synch things like // bobbing, recoil, etc. // this is just mapped over the ticcmd_t array when setup packet is sent // // Note: the original code takes care of startskill, deathmatch, nomonsters // respawn, startepisode, startmap // Note: for phase 1 we need to add monsters_remember, variable_friction, // weapon_recoil, allow_pushers, over_under, player_bobbing, // fastparm, demo_insurance, and the rngseed //Stick all options into bytes so we don't need to mess with bitfields //WARNING: make sure this doesn't exceed the size of the ticcmds area! //sizeof(ticcmd_t)*BACKUPTICS //This is the current length of our extra stuff // //killough 5/2/98: this should all be replaced by calls to G_WriteOptions() //and G_ReadOptions(), which were specifically designed to set up packets. //By creating a separate struct and functions to read/write the options, //you now have two functions and data to maintain instead of just one. //If the array in g_game.c which G_WriteOptions()/G_ReadOptions() operates //on, is too large (more than sizeof(ticcmd_t)*BACKUPTICS), it can //either be shortened, or the net code needs to divide it up //automatically into packets. The STARTUPLEN below is non-portable. //There's a portable way to do it without having to know the sizes. #define STARTUPLEN 12 typedef struct { byte monsters_remember; byte variable_friction; byte weapon_recoil; byte allow_pushers; byte over_under; byte player_bobbing; byte fastparm; byte demo_insurance; unsigned long rngseed; char filler[sizeof(ticcmd_t)*BACKUPTICS-STARTUPLEN]; } startup_t; typedef struct { // Supposed to be DOOMCOM_ID? long id; // DOOM executes an int to execute commands. short intnum; // Communication between DOOM and the driver. // Is CMD_SEND or CMD_GET. short command; // Is dest for send, set by get (-1 = no packet). short remotenode; // Number of bytes in doomdata to be sent short datalength; // Info common to all nodes. // Console is allways node 0. short numnodes; // Flag: 1 = no duplication, 2-5 = dup for slow nets. short ticdup; // Flag: 1 = send a backup tic in every packet. short extratics; // Flag: 1 = deathmatch. short deathmatch; // Flag: -1 = new game, 0-5 = load savegame short savegame; short episode; // 1-3 short map; // 1-9 short skill; // 1-5 // Info specific to this node. short consoleplayer; short numplayers; // These are related to the 3-display mode, // in which two drones looking left and right // were used to render two additional views // on two additional computers. // Probably not operational anymore. // 1 = left, 0 = center, -1 = right short angleoffset; // 1 = drone short drone; // The packet data to be sent. doomdata_t data; } doomcom_t; // Create any new ticcmds and broadcast to other players. void NetUpdate (void); // Broadcasts special packets to other players // to notify of game exit void D_QuitNetGame (void); //? how many ticks to run? void TryRunTics (void); #endif //---------------------------------------------------------------------------- // // $Log: D_net.h,v $ // Revision 1.1 2000/04/09 18:22:16 proff_fs // Initial revision // // Revision 1.8 1998/05/21 12:12:16 jim // Removed conditional from net code // // Revision 1.7 1998/05/16 09:52:21 jim // add temporary switch for Lee/Stan's code in d_net.c // // Revision 1.6 1998/05/03 23:40:38 killough // Fix net consistency problems, using G_WriteOptions/G_Readoptions // // Revision 1.5 1998/04/13 10:40:53 stan // Now synch up all items identified by Lee Killough as essential to // game synch (including bobbing, recoil, rngseed). Commented out // code in g_game.c so rndseed is always set even in netgame. // // Revision 1.4 1998/02/05 12:14:33 phares // removed dummy comment // // Revision 1.3 1998/01/26 19:26:29 phares // First rev with no ^Ms // // Revision 1.2 1998/01/19 16:38:12 rand // Added dummy comments to be reomved later // // Revision 1.1.1.1 1998/01/19 14:03:07 rand // Lee's Jan 19 sources // // //----------------------------------------------------------------------------