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