mirror of
https://github.com/ZDoom/Raze.git
synced 2024-12-13 14:10:54 +00:00
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
#ifndef __I_NET_H__
|
|
#define __I_NET_H__
|
|
|
|
#include <stdint.h>
|
|
|
|
// Called by D_DoomMain.
|
|
int I_InitNetwork (void);
|
|
void I_NetCmd (void);
|
|
|
|
enum ENetConstants
|
|
{
|
|
MAXNETNODES = 8, // max computers in a game
|
|
DOOMCOM_ID = 0x12345678,
|
|
BACKUPTICS = 36, // number of tics to remember
|
|
MAXTICDUP = 5,
|
|
LOCALCMDTICS =(BACKUPTICS*MAXTICDUP),
|
|
MAX_MSGLEN = 14000,
|
|
|
|
CMD_SEND = 1,
|
|
CMD_GET = 2,
|
|
};
|
|
|
|
// [RH]
|
|
// New generic packet structure:
|
|
//
|
|
// Header:
|
|
// One byte with following flags.
|
|
// One byte with starttic
|
|
// One byte with master's maketic (master -> slave only!)
|
|
// If NCMD_RETRANSMIT set, one byte with retransmitfrom
|
|
// If NCMD_XTICS set, one byte with number of tics (minus 3, so theoretically up to 258 tics in one packet)
|
|
// If NCMD_QUITTERS, one byte with number of players followed by one byte with each player's consolenum
|
|
// If NCMD_MULTI, one byte with number of players followed by one byte with each player's consolenum
|
|
// - The first player's consolenum is not included in this list, because it always matches the sender
|
|
//
|
|
// For each tic:
|
|
// Two bytes with consistancy check, followed by tic data
|
|
//
|
|
// Setup packets are different, and are described just before D_ArbitrateNetStart().
|
|
|
|
enum ENCMD
|
|
{
|
|
NCMD_EXIT = 0x80,
|
|
NCMD_RETRANSMIT = 0x40,
|
|
NCMD_SETUP = 0x20,
|
|
NCMD_MULTI = 0x10, // multiple players in this packet
|
|
NCMD_QUITTERS = 0x08, // one or more players just quit (packet server only)
|
|
NCMD_COMPRESSED = 0x04, // remainder of packet is compressed
|
|
|
|
NCMD_XTICS = 0x03, // packet contains >2 tics
|
|
NCMD_2TICS = 0x02, // packet contains 2 tics
|
|
NCMD_1TICS = 0x01, // packet contains 1 tic
|
|
NCMD_0TICS = 0x00, // packet contains 0 tics
|
|
};
|
|
|
|
//
|
|
// Network packet data.
|
|
//
|
|
struct doomcom_t
|
|
{
|
|
uint32_t id; // should be DOOMCOM_ID
|
|
int16_t intnum; // DOOM executes an int to execute commands
|
|
|
|
// communication between DOOM and the driver
|
|
int16_t command; // CMD_SEND or CMD_GET
|
|
int16_t remotenode; // dest for send, set by get (-1 = no packet).
|
|
int16_t datalength; // bytes in data to be sent
|
|
|
|
// info common to all nodes
|
|
int16_t numnodes; // console is always node 0.
|
|
int16_t ticdup; // 1 = no duplication, 2-5 = dup for slow nets
|
|
|
|
// info specific to this node
|
|
int16_t consoleplayer;
|
|
int16_t numplayers;
|
|
|
|
// packet data to be sent
|
|
uint8_t data[MAX_MSGLEN];
|
|
|
|
};
|
|
|
|
extern doomcom_t doomcom;
|
|
extern bool netgame, multiplayer;
|
|
|
|
#endif
|