The DOOM sources as originally released on December 23, 1997

linuxdoom-1.10/d_net.h

@@ -0,0 +1,149 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// $Id:$
+//
+// Copyright (C) 1993-1996 by id Software, Inc.
+//
+// This source is available for distribution and/or modification
+// only under the terms of the DOOM Source Code License as
+// published by id Software. All rights reserved.
+//
+// The source is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
+// for more details.
+//
+// DESCRIPTION:
+//	Networking stuff.
+//
+//-----------------------------------------------------------------------------
+
+
+#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		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;
+
+
+
+
+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
+
+//-----------------------------------------------------------------------------
+//
+// $Log:$
+//
+//-----------------------------------------------------------------------------
+