d_net.h - DOOM-3-BFG - DOOM 3 BFG Edition

d_net.h (4027B)
      1 /*
      2 ===========================================================================
      3 
      4 Doom 3 BFG Edition GPL Source Code
      5 Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
      6 
      7 This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
      8 
      9 Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
     10 it under the terms of the GNU General Public License as published by
     11 the Free Software Foundation, either version 3 of the License, or
     12 (at your option) any later version.
     13 
     14 Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
     15 but WITHOUT ANY WARRANTY; without even the implied warranty of
     16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17 GNU General Public License for more details.
     18 
     19 You should have received a copy of the GNU General Public License
     20 along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
     21 
     22 In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
     23 
     24 If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
     25 
     26 ===========================================================================
     27 */
     28 
     29 #ifndef __D_NET__
     30 #define __D_NET__
     31 
     32 #include "d_player.h"
     33 
     34 
     35 #ifdef __GNUG__
     36 #pragma interface
     37 #endif
     38 
     39 
     40 //
     41 // Network play related stuff.
     42 // There is a data struct that stores network
     43 //  communication related stuff, and another
     44 //  one that defines the actual packets to
     45 //  be transmitted.
     46 //
     47 
     48 #define DOOMCOM_ID		0x12345678l
     49 
     50 // Max computers/players in a game.
     51 #define MAXNETNODES		8
     52 
     53 
     54 // Networking and tick handling related.
     55 #define BACKUPTICS		64
     56 
     57 typedef enum
     58 {
     59     CMD_SEND	= 1,
     60     CMD_GET	= 2
     61 
     62 } command_t;
     63 
     64 
     65 //
     66 // Network packet data.
     67 //
     68 typedef struct
     69 {
     70     // High bit is retransmit request.
     71     unsigned		checksum;
     72     // Only valid if NCMD_RETRANSMIT.
     73     byte		retransmitfrom;
     74 	
     75 	byte		sourceDest;
     76     
     77     byte		starttic;
     78     byte		player;
     79     byte		numtics;
     80     ticcmd_t		cmds[BACKUPTICS];
     81 
     82 } doomdata_t;
     83 
     84 
     85 
     86 
     87 struct doomcom_t
     88 {
     89     // Supposed to be DOOMCOM_ID?
     90     long		id;
     91     
     92     // DOOM executes an int to execute commands.
     93     short		intnum;		
     94     // Communication between DOOM and the driver.
     95     // Is CMD_SEND or CMD_GET.
     96     short		command;
     97     // Is dest for send, set by get (-1 = no packet).
     98     short		remotenode;
     99     
    100     // Number of bytes in doomdata to be sent
    101     short		datalength;
    102 
    103     // Info common to all nodes.
    104     // Console is allways node 0.
    105     short		numnodes;
    106     // Flag: 1 = no duplication, 2-5 = dup for slow nets.
    107     short		ticdup;
    108     // Flag: 1 = send a backup tic in every packet.
    109     short		extratics;
    110     // Flag: 1 = deathmatch.
    111     short		deathmatch;
    112     // Flag: -1 = new game, 0-5 = load savegame
    113     short		savegame;
    114     short		episode;	// 1-3
    115     short		map;		// 1-9
    116     short		skill;		// 1-5
    117 
    118     // Info specific to this node.
    119     short		consoleplayer;
    120     short		numplayers;
    121     
    122     // These are related to the 3-display mode,
    123     //  in which two drones looking left and right
    124     //  were used to render two additional views
    125     //  on two additional computers.
    126     // Probably not operational anymore.
    127     // 1 = left, 0 = center, -1 = right
    128     short		angleoffset;
    129     // 1 = drone
    130     short		drone;		
    131 
    132     // The packet data to be sent.
    133     doomdata_t		data;
    134     
    135 } ;
    136 
    137 
    138 class idUserCmdMgr;
    139 
    140 // Create any new ticcmds and broadcast to other players.
    141 void NetUpdate ( idUserCmdMgr * userCmdMgr );
    142 
    143 // Broadcasts special packets to other players
    144 //  to notify of game exit
    145 void D_QuitNetGame (void);
    146 
    147 //? how many ticks to run?
    148 bool TryRunTics (void);
    149 
    150 
    151 #endif
    152 
    153 
    154