doom3-bfg/doomclassic/doom/d_net.h
2012-11-26 12:58:24 -06:00

154 lines
3.9 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code 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 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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.
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.
===========================================================================
*/
#ifndef __D_NET__
#define __D_NET__
#include "d_player.h"
#ifdef __GNUG__
#pragma interface
#endif
//
// 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 64
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 sourceDest;
byte starttic;
byte player;
byte numtics;
ticcmd_t cmds[BACKUPTICS];
} doomdata_t;
struct doomcom_t
{
// 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;
} ;
class idUserCmdMgr;
// Create any new ticcmds and broadcast to other players.
void NetUpdate ( idUserCmdMgr * userCmdMgr );
// Broadcasts special packets to other players
// to notify of game exit
void D_QuitNetGame (void);
//? how many ticks to run?
bool TryRunTics (void);
#endif