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https://git.code.sf.net/p/quake/quakeforge-old
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561 lines
16 KiB
C
561 lines
16 KiB
C
/*
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server.h
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 1999,2000 contributors of the QuakeForge project
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Please see the file "AUTHORS" for a list of contributors
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _SERVER_H
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#define _SERVER_H
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#if !(defined(QUAKEWORLD) || defined(UQUAKE))
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#error This is NOT safe to include for common items.
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#endif
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#ifdef _WIN32
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#pragma warning( disable : 4244 4127 4201 4214 4514 4305 4115 4018)
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#endif
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#include <qtypes.h>
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#include <progs.h>
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#include <setjmp.h>
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#ifdef QUAKEWORLD
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#define QW_SERVER
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#endif
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#define MAX_MASTERS 8 // max recipients for heartbeat packets
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#define MAX_SIGNON_BUFFERS 8
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#define MAX_MSECS 100
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typedef enum {
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RD_NONE,
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RD_CLIENT,
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RD_PACKET
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} redirect_t;
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typedef enum {
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#ifdef QUAKEWORLD
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ss_dead, // no map loaded
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#endif
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ss_loading, // spawning level edicts
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ss_active // actively running
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} server_state_t;
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// some qc commands are only valid before the server has finished
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// initializing (precache commands, static sounds / objects, etc)
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struct qsocket_s;
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#ifdef QUAKEWORLD
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typedef struct
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{
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qboolean active; // false when server is going down
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server_state_t state; // precache commands are only valid during load
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double time;
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int lastcheck; // used by PF_checkclient
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double lastchecktime; // for monster ai
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qboolean paused; // are we paused?
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//check player/eyes models for hacks
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unsigned model_player_checksum;
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unsigned eyes_player_checksum;
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char name[64]; // map name
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char modelname[MAX_QPATH]; // maps/<name>.bsp, for model_precache[0]
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struct model_s *worldmodel;
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char *model_precache[MAX_MODELS]; // NULL terminated
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char *sound_precache[MAX_SOUNDS]; // NULL terminated
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char *lightstyles[MAX_LIGHTSTYLES];
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struct model_s *models[MAX_MODELS];
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int num_edicts; // increases towards MAX_EDICTS
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edict_t *edicts; // can NOT be array indexed, because
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// edict_t is variable sized, but can
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// be used to reference the world ent
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byte *pvs, *phs; // fully expanded and decompressed
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// added to every client's unreliable buffer each frame, then cleared
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sizebuf_t datagram;
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byte datagram_buf[MAX_DATAGRAM];
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// added to every client's reliable buffer each frame, then cleared
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sizebuf_t reliable_datagram;
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byte reliable_datagram_buf[MAX_MSGLEN];
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// the multicast buffer is used to send a message to a set of clients
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sizebuf_t multicast;
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byte multicast_buf[MAX_MSGLEN];
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// the master buffer is used for building log packets
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sizebuf_t master;
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byte master_buf[MAX_DATAGRAM];
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// the signon buffer will be sent to each client as they connect
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// includes the entity baselines, the static entities, etc
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// large levels will have >MAX_DATAGRAM sized signons, so
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// multiple signon messages are kept
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sizebuf_t signon;
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int num_signon_buffers;
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int signon_buffer_size[MAX_SIGNON_BUFFERS];
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byte signon_buffers[MAX_SIGNON_BUFFERS][MAX_DATAGRAM];
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} server_t;
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#else
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typedef struct
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{
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qboolean active; // false if only a net client
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qboolean paused;
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qboolean loadgame; // handle connections specially
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double time;
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int lastcheck; // used by PF_checkclient
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double lastchecktime;
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char name[64]; // map name
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#ifdef QUAKE2
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char startspot[64];
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#endif
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char modelname[64]; // maps/<name>.bsp, for model_precache[0]
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struct model_s *worldmodel;
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char *model_precache[MAX_MODELS]; // NULL terminated
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struct model_s *models[MAX_MODELS];
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char *sound_precache[MAX_SOUNDS]; // NULL terminated
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char *lightstyles[MAX_LIGHTSTYLES];
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int num_edicts;
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int max_edicts;
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edict_t *edicts; // can NOT be array indexed, because
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// edict_t is variable sized, but can
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// be used to reference the world ent
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server_state_t state; // some actions are only valid during load
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sizebuf_t datagram;
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byte datagram_buf[MAX_DATAGRAM];
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sizebuf_t reliable_datagram; // copied to all clients at end of frame
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byte reliable_datagram_buf[MAX_DATAGRAM];
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sizebuf_t signon;
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byte signon_buf[8192];
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} server_t;
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#endif
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#define NUM_PING_TIMES 16
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#define NUM_SPAWN_PARMS 16
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typedef enum
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{
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cs_free, // can be reused for a new connection
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cs_zombie, // client has been disconnected, but don't reuse
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// connection for a couple seconds
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cs_connected, // has been assigned to a client_t, but not in game yet
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cs_spawned // client is fully in game
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} sv_client_state_t;
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typedef struct
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{
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// received from client
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// reply
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double senttime;
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float ping_time;
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packet_entities_t entities;
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} client_frame_t;
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#define MAX_BACK_BUFFERS 4
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#ifdef QUAKEWORLD
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typedef struct client_s
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{
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sv_client_state_t state;
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int spectator; // non-interactive
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qboolean sendinfo; // at end of frame, send info to all
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// this prevents malicious multiple broadcasts
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float lastnametime; // time of last name change
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int lastnamecount; // time of last name change
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unsigned checksum; // checksum for calcs
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qboolean drop; // lose this guy next opportunity
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int lossage; // loss percentage
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int userid; // identifying number
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char userinfo[MAX_INFO_STRING]; // infostring
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usercmd_t lastcmd; // for filling in big drops and partial predictions
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double localtime; // of last message
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int oldbuttons;
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float maxspeed; // localized maxspeed
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float entgravity; // localized ent gravity
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edict_t *edict; // EDICT_NUM(clientnum+1)
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char name[32]; // for printing to other people
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// extracted from userinfo
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int messagelevel; // for filtering printed messages
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// the datagram is written to after every frame, but only cleared
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// when it is sent out to the client. overflow is tolerated.
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sizebuf_t datagram;
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byte datagram_buf[MAX_DATAGRAM];
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// back buffers for client reliable data
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sizebuf_t backbuf;
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int num_backbuf;
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int backbuf_size[MAX_BACK_BUFFERS];
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byte backbuf_data[MAX_BACK_BUFFERS][MAX_MSGLEN];
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double connection_started; // or time of disconnect for zombies
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qboolean send_message; // set on frames a datagram arived on
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// spawn parms are carried from level to level
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float spawn_parms[NUM_SPAWN_PARMS];
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// client known data for deltas
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int old_frags;
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int stats[MAX_CL_STATS];
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client_frame_t frames[UPDATE_BACKUP]; // updates can be deltad from here
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QFile *download; // file being downloaded
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int downloadsize; // total bytes
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int downloadcount; // bytes sent
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int spec_track; // entnum of player tracking
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double whensaid[10]; // JACK: For floodprots
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int whensaidhead; // Head value for floodprots
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double lockedtill;
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qboolean upgradewarn; // did we warn him?
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QFile *upload;
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char uploadfn[MAX_QPATH];
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netadr_t snap_from;
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qboolean remote_snap;
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//===== NETWORK ============
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int chokecount;
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int delta_sequence; // -1 = no compression
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int ping;
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netchan_t netchan;
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int msecs, msec_cheating;
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double last_check;
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} client_t;
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#else
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typedef struct client_s
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{
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qboolean active; // false = client is free
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qboolean spawned; // false = don't send datagrams
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qboolean dropasap; // has been told to go to another level
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qboolean privileged; // can execute any host command
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qboolean sendsignon; // only valid before spawned
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double last_message; // reliable messages must be sent
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// periodically
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struct qsocket_s *netconnection; // communications handle
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usercmd_t cmd; // movement
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vec3_t wishdir; // intended motion calced from cmd
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sizebuf_t message; // can be added to at any time,
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// copied and clear once per frame
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byte msgbuf[MAX_MSGLEN];
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edict_t *edict; // EDICT_NUM(clientnum+1)
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char name[32]; // for printing to other people
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int colors;
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float ping_times[NUM_PING_TIMES];
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int num_pings; // ping_times[num_pings%NUM_PING_TIMES]
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// spawn parms are carried from level to level
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float spawn_parms[NUM_SPAWN_PARMS];
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// client known data for deltas
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int old_frags;
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} client_t;
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#endif
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// a client can leave the server in one of four ways:
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// dropping properly by quiting or disconnecting
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// timing out if no valid messages are received for timeout.value seconds
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// getting kicked off by the server operator
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// a program error, like an overflowed reliable buffer
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//=============================================================================
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#define STATFRAMES 100
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typedef struct
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{
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double active;
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double idle;
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int count;
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int packets;
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double latched_active;
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double latched_idle;
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int latched_packets;
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} svstats_t;
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// MAX_CHALLENGES is made large to prevent a denial
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// of service attack that could cycle all of them
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// out before legitimate users connected
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#define MAX_CHALLENGES 1024
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typedef struct
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{
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netadr_t adr;
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int challenge;
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int time;
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} challenge_t;
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#ifdef QUAKEWORLD
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typedef struct
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{
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int spawncount; // number of servers spawned since start,
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// used to check late spawns
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client_t clients[MAX_CLIENTS];
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int serverflags; // episode completion information
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double last_heartbeat;
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int beatcount;
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int mheartbeat_sequence;
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svstats_t stats;
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char info[MAX_SERVERINFO_STRING];
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// log messages are used so that fraglog processes can get stats
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int logsequence; // the message currently being filled
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double logtime; // time of last swap
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sizebuf_t log[2];
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byte log_buf[2][MAX_DATAGRAM];
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challenge_t challenges[MAX_CHALLENGES]; // to prevent invalid IPs from connecting
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} server_static_t;
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#else
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typedef struct
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{
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int maxclients;
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int maxclientslimit;
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struct client_s *clients; // [maxclients]
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int serverflags; // episode completion information
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qboolean changelevel_issued; // cleared when at SV_SpawnServer
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} server_static_t;
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#endif
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//=============================================================================
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// HeartBeat Related things
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#define HEARTBEAT_SECONDS 3
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#define MAX_BEATCOUNT 100 // 5 Minutes
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#define MULTICAST_ALL 0
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#define MULTICAST_PHS 1
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#define MULTICAST_PVS 2
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#define MULTICAST_ALL_R 3
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#define MULTICAST_PHS_R 4
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#define MULTICAST_PVS_R 5
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//============================================================================
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#ifdef QUAKE2
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// server flags
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#define SFL_EPISODE_1 1
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#define SFL_EPISODE_2 2
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#define SFL_EPISODE_3 4
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#define SFL_EPISODE_4 8
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#define SFL_NEW_UNIT 16
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#define SFL_NEW_EPISODE 32
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#define SFL_CROSS_TRIGGERS 65280
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#endif
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//============================================================================
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extern cvar_t *teamplay;
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extern cvar_t *skill;
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extern cvar_t *deathmatch;
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extern cvar_t *coop;
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extern cvar_t *fraglimit;
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extern cvar_t *timelimit;
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extern server_static_t svs; // persistant server info
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extern server_t sv; // local server
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extern client_t *host_client;
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extern jmp_buf host_abortserver;
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extern double host_time;
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extern edict_t *sv_player;
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extern cvar_t *sv_mintic, *sv_maxtic;
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extern cvar_t *sv_maxspeed;
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#ifdef QUAKEWORLD
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extern netadr_t master_adr[MAX_MASTERS]; // address of the master server
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#else
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extern netadr_t master_adr; // address of the master server
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#endif
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extern cvar_t *spawn;
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extern cvar_t *teamplay;
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extern cvar_t *deathmatch;
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extern cvar_t *fraglimit;
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extern cvar_t *timelimit;
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extern server_static_t svs; // persistant server info
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extern server_t sv; // local server
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extern client_t *host_client;
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extern edict_t *sv_player;
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extern char localmodels[MAX_MODELS][5]; // inline model names for precache
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extern char localinfo[MAX_LOCALINFO_STRING+1];
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extern int host_hunklevel;
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extern QFile *sv_logfile;
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extern QFile *sv_fraglogfile;
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//===========================================================
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//
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// sv_main.c
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//
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#ifdef QUAKEWORLD
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void SV_AddGravity (edict_t *ent, float scale);
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void SV_Shutdown (void);
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void SV_DropClient (client_t *drop);
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void SV_WriteClientdataToMessage (client_t *client, sizebuf_t *msg);
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void SV_ClientPrintf (client_t *cl, int level, char *fmt, ...);
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void SV_BroadcastPrintf (int level, char *fmt, ...);
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void SV_Frame (float time);
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void SV_Physics_Client (edict_t *ent);
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void SV_WriteEntitiesToClient (client_t *client, sizebuf_t *msg);
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#else
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void SV_AddGravity (edict_t *ent);
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void SV_Shutdown (qboolean crash);
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void SV_DropClient (qboolean crash);
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void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg);
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void SV_ClientPrintf (char *fmt, ...);
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void SV_BroadcastPrintf (char *fmt, ...);
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void SV_Frame ( void );
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void SV_Physics_Client (edict_t *ent, int num);
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void SV_WriteEntitiesToClient (edict_t *clent, sizebuf_t *msg);
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#endif
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void SV_AddClientToServer (struct qsocket_s *ret);
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void SV_BeginRedirect (redirect_t rd);
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void SV_BroadcastCommand (char *fmt, ...);
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int SV_CalcPing (client_t *cl);
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qboolean SV_CheckBottom (edict_t *ent);
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void SV_CheckForNewClients (void);
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void SV_CheckVelocity (edict_t *ent);
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void SV_ClearDatagram (void);
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void SV_ClientThink (void);
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void SV_EndRedirect (void);
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void SV_Error (char *error, ...);
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void SV_ExecuteClientMessage (client_t *cl);
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void SV_ExecuteUserCommand (char *s);
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void SV_ExtractFromUserinfo (client_t *cl);
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void SV_FinalMessage (char *message);
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void SV_FindModelNumbers (void);
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void SV_FlushSignon (void);
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void SV_FullClientUpdate (client_t *client, sizebuf_t *buf);
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void SV_FullClientUpdateToClient (client_t *client, client_t *cl);
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void SV_Impact (edict_t *e1, edict_t *e2);
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#ifdef QUAKEWORLD
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void SV_Init (quakeparms_t *parms);
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#else
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void SV_Init (void);
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#endif
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void SV_InitOperatorCommands (void);
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int SV_ModelIndex (char *name);
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void SV_MoveToGoal (void);
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void SV_Multicast (vec3_t origin, int to);
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void SV_Physics (void);
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void SV_Physics_Toss (edict_t *ent);
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void SV_ProgStartFrame (void);
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qboolean SV_RunThink (edict_t *ent);
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void SV_RunClients (void);
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void SV_RunNewmis (void);
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void SV_SaveSpawnparms (void);
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void SV_SendClientMessages (void);
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void SV_SendMessagesToAll (void);
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void SV_SendServerinfo (client_t *client);
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void SV_SetIdealPitch (void);
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void SV_SetMoveVars(void);
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#ifdef QUAKE2
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void SV_SpawnServer (char *server, char *startspot);
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#else
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void SV_SpawnServer (char *server);
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#endif
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void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count);
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void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
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float attenuation);
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void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
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float attenuation);
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void SV_Status_f (void);
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void SV_TogglePause (const char *msg);
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void SV_UserInit (void);
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qboolean SV_movestep (edict_t *ent, vec3_t move, qboolean relink);
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qboolean SV_movestep (edict_t *ent, vec3_t move, qboolean relink);
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void HeartBeat (void);
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void HeartBeat_Master (void);
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void Master_Packet (void);
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void Shutdown_Master (void);
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void ClientReliableCheckBlock(client_t *cl, int maxsize);
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void ClientReliable_FinishWrite(client_t *cl);
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void ClientReliableWrite_Begin(client_t *cl, int c, int maxsize);
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void ClientReliableWrite_Angle(client_t *cl, float f);
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void ClientReliableWrite_Angle16(client_t *cl, float f);
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void ClientReliableWrite_Byte(client_t *cl, int c);
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void ClientReliableWrite_Char(client_t *cl, int c);
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void ClientReliableWrite_Float(client_t *cl, float f);
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void ClientReliableWrite_Coord(client_t *cl, float f);
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void ClientReliableWrite_Long(client_t *cl, int c);
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void ClientReliableWrite_Short(client_t *cl, int c);
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void ClientReliableWrite_String(client_t *cl, char *s);
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void ClientReliableWrite_SZ(client_t *cl, void *data, int len);
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//
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// host
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//
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extern quakeparms_t host_parms;
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extern cvar_t *sys_nostdout;
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extern cvar_t *developer;
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extern qboolean host_initialized; // true if into command execution
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extern double host_frametime;
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extern double realtime; // not bounded in any way, changed at
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// start of every frame, never reset
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#endif // _SERVER_H
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