Games/Doom/d_net.h

   1 // Emacs style mode select   -*- C++ -*-
   2 //-----------------------------------------------------------------------------
   3 //
   4 // $Id$
   5 //
   6 // Copyright (C) 1993-1996 by id Software, Inc.
   7 //
   8 // This source is available for distribution and/or modification
   9 // only under the terms of the DOOM Source Code License as
  10 // published by id Software. All rights reserved.
  11 //
  12 // The source is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
  15 // for more details.
  16 //
  17 // DESCRIPTION:
  18 //      Networking stuff.
  19 //
  20 //-----------------------------------------------------------------------------
  21
  22
  23 #ifndef __D_NET__
  24 #define __D_NET__
  25
  26 #include "d_player.h"
  27
  28
  29 #ifdef __GNUG__
  30 #pragma interface
  31 #endif
  32
  33
  34 //
  35 // Network play related stuff.
  36 // There is a data struct that stores network
  37 //  communication related stuff, and another
  38 //  one that defines the actual packets to
  39 //  be transmitted.
  40 //
  41
  42 #define DOOMCOM_ID              0x12345678l
  43
  44 // Max computers/players in a game.
  45 #define MAXNETNODES             8
  46
  47
  48 // Networking and tick handling related.
  49 #define BACKUPTICS              12
  50
  51 typedef enum
  52 {
  53     CMD_SEND    = 1,
  54     CMD_GET     = 2
  55
  56 } command_t;
  57
  58 #ifdef __GNUC__
  59 #define PACKED __attribute__((packed))
  60 #else
  61 #pragma options align=mac68k
  62 #define PACKED
  63 #endif
  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                starttic;
  76     byte                player;
  77     byte                numtics;
  78     ticcmd_t            cmds[BACKUPTICS];
  79
  80 } PACKED doomdata_t;
  81
  82
  83
  84
  85 typedef struct
  86 {
  87     // Supposed to be DOOMCOM_ID?
  88     long                id;
  89
  90     // DOOM executes an int to execute commands.
  91     short               intnum;
  92     // Communication between DOOM and the driver.
  93     // Is CMD_SEND or CMD_GET.
  94     short               command;
  95     // Is dest for send, set by get (-1 = no packet).
  96     short               remotenode;
  97
  98     // Number of bytes in doomdata to be sent
  99     short               datalength;
 100
 101     // Info common to all nodes.
 102     // Console is allways node 0.
 103     short               numnodes;
 104     // Flag: 1 = no duplication, 2-5 = dup for slow nets.
 105     short               ticdup;
 106     // Flag: 1 = send a backup tic in every packet.
 107     short               extratics;
 108     // Flag: 1 = deathmatch.
 109     short               deathmatch;
 110     // Flag: -1 = new game, 0-5 = load savegame
 111     short               savegame;
 112     short               episode;        // 1-3
 113     short               map;            // 1-9
 114     short               skill;          // 1-5
 115
 116     // Info specific to this node.
 117     short               consoleplayer;
 118     short               numplayers;
 119
 120     // These are related to the 3-display mode,
 121     //  in which two drones looking left and right
 122     //  were used to render two additional views
 123     //  on two additional computers.
 124     // Probably not operational anymore.
 125     // 1 = left, 0 = center, -1 = right
 126     short               angleoffset;
 127     // 1 = drone
 128     short               drone;
 129
 130     // The packet data to be sent.
 131     doomdata_t          data;
 132
 133 } doomcom_t;
 134
 135 #ifndef __GNUC__
 136 #pragma options align=power
 137 #endif
 138
 139
 140 // Create any new ticcmds and broadcast to other players.
 141 void NetUpdate (void);
 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 void TryRunTics (void);
 149
 150
 151 #endif
 152
 153 //-----------------------------------------------------------------------------
 154 //
 155 // $Log$
 156 // Revision 1.1  2000/02/29 18:21:05  stegerg
 157 // Doom port based on ADoomPPC. Read README.AROS!
 158 //
 159 //
 160 //-----------------------------------------------------------------------------
 161