/* Copyright (C) 1996-2001 Id Software, Inc. Copyright (C) 2002-2009 John Fitzgibbons and others Copyright (C) 2010-2014 QuakeSpasm developers This program 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 2 of the License, or (at your option) any later version. This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _QUAKE_SERVER_H #define _QUAKE_SERVER_H // server.h typedef struct { int maxclients; int maxclientslimit; struct client_s *clients; // [maxclients] int serverflags; // episode completion information qboolean changelevel_issued; // cleared when at SV_SpawnServer char serverinfo[8192]; } server_static_t; //============================================================================= typedef enum {ss_loading, ss_active} server_state_t; typedef struct { qboolean active; // false if only a net client qboolean paused; qboolean loadgame; // handle connections specially int lastcheck; // used by PF_checkclient double lastchecktime; qcvm_t qcvm; // Spike: entire qcvm state char name[64]; // map name char modelname[64]; // maps/.bsp, for model_precache[0] const char *model_precache[MAX_MODELS]; // NULL terminated struct qmodel_s *models[MAX_MODELS]; const char *sound_precache[MAX_SOUNDS]; // NULL terminated const char *lightstyles[MAX_LIGHTSTYLES]; server_state_t state; // some actions are only valid during load sizebuf_t datagram; byte datagram_buf[MAX_DATAGRAM]; sizebuf_t reliable_datagram; // copied to all clients at end of frame byte reliable_datagram_buf[MAX_DATAGRAM]; sizebuf_t signon; byte signon_buf[MAX_MSGLEN-2]; //johnfitz -- was 8192, now uses MAX_MSGLEN unsigned protocol; //johnfitz unsigned protocolflags; sizebuf_t multicast; // selectively copied to clients by the multicast builtin byte multicast_buf[MAX_DATAGRAM]; const char *particle_precache[MAX_PARTICLETYPES]; // NULL terminated entity_state_t *static_entities; int num_statics; int max_statics; struct ambientsound_s { vec3_t origin; unsigned int soundindex; float volume; float attenuation; } *ambientsounds; int num_ambients; int max_ambients; struct svcustomstat_s { int idx; int type; int fld; eval_t *ptr; } customstats[MAX_CL_STATS*2]; //strings or numeric... size_t numcustomstats; } server_t; #define NUM_PING_TIMES 16 #define NUM_BASIC_SPAWN_PARMS 16 #define NUM_TOTAL_SPAWN_PARMS 64 typedef struct client_s { qboolean active; // false = client is free qboolean spawned; // false = don't send datagrams (set when client acked the first entities) qboolean dropasap; // has been told to go to another level enum { PRESPAWN_DONE, PRESPAWN_FLUSH=1, // PRESPAWN_SERVERINFO, PRESPAWN_MODELS, PRESPAWN_SOUNDS, PRESPAWN_PARTICLES, PRESPAWN_BASELINES, PRESPAWN_STATICS, PRESPAWN_AMBIENTS, PRESPAWN_SIGNONMSG, } sendsignon; // only valid before spawned int signonidx; unsigned int signon_sounds; // unsigned int signon_models; // double last_message; // reliable messages must be sent // periodically struct qsocket_s *netconnection; // communications handle usercmd_t cmd; // movement vec3_t wishdir; // intended motion calced from cmd sizebuf_t message; // can be added to at any time, // copied and clear once per frame byte msgbuf[MAX_MSGLEN]; edict_t *edict; // EDICT_NUM(clientnum+1) char name[32]; // for printing to other people int colors; float ping_times[NUM_PING_TIMES]; int num_pings; // ping_times[num_pings%NUM_PING_TIMES] // spawn parms are carried from level to level float spawn_parms[NUM_TOTAL_SPAWN_PARMS]; // client known data for deltas int old_frags; sizebuf_t datagram; byte datagram_buf[MAX_DATAGRAM]; unsigned int limit_entities; //vanilla is 600 unsigned int limit_unreliable; //max allowed size for unreliables unsigned int limit_reliable; //max (total) size of a reliable message. unsigned int limit_models; // unsigned int limit_sounds; // qboolean pextknown; unsigned int protocol_pext1; unsigned int protocol_pext2; unsigned int resendstatsnum[MAX_CL_STATS/32]; //the stats which need to be resent. unsigned int resendstatsstr[MAX_CL_STATS/32]; //the stats which need to be resent. int oldstats_i[MAX_CL_STATS]; //previous values of stats. if these differ from the current values, reflag resendstats. float oldstats_f[MAX_CL_STATS]; //previous values of stats. if these differ from the current values, reflag resendstats. char *oldstats_s[MAX_CL_STATS]; struct entity_num_state_s{ unsigned int num; //ascending order, there can be gaps. entity_state_t state; } *previousentities; size_t numpreviousentities; size_t maxpreviousentities; unsigned int snapshotresume; unsigned int *pendingentities_bits; //UF_ flags for each entity size_t numpendingentities; //realloc if too small unsigned int *pendingcsqcentities_bits; //SendFlags bitflags for each entity #define SENDFLAG_PRESENT 0x80000000u //tracks that we previously sent one of these ents (resulting in a remove if the ent gets remove()d). #define SENDFLAG_REMOVE 0x40000000u //for packetloss to signal that we need to resend a remove. #define SENDFLAG_USABLE 0x00ffffffu //SendFlags bits that the qc is actually able to use (don't get confused if the mod uses SendFlags=-1). size_t numpendingcsqcentities; //realloc if too small struct deltaframe_s { //quick overview of how this stuff actually works: //when the server notices a gap in the ack sequence, we walk through the dropped frames and reflag everything that was dropped. //if the server isn't tracking enough frames, then we just treat those as dropped; //small note: when an entity is new, it re-flags itself as new for the next packet too, this reduces the immediate impact of packetloss on new entities. //reflagged state includes stats updates, entity updates, and entity removes. int sequence; //to see if its stale float timestamp; unsigned int resendstatsnum[MAX_CL_STATS/32]; unsigned int resendstatsstr[MAX_CL_STATS/32]; struct { unsigned int num; unsigned int ebits; unsigned int csqcbits; } *ents; int numents; //doesn't contain an entry for every entity, just ones that were sent this frame. no 0 bits int maxents; } *frames; size_t numframes; //preallocated power-of-two int lastacksequence; int lastmovemessage; double lastmovetime; char userinfo[1024]; //spike -- for csqc to (ab)use. client_voip_t voip; //spike -- for voip struct { char name[MAX_QPATH]; FILE *file; qboolean started; //actually sending unsigned int startpos; //within the pak, so we don't break stuff when seeking unsigned int size; unsigned int sendpos; //file offset we last tried sending unsigned int ackpos; //if they don't ack this properly, we restart sending from here instead. //for more speed, the server should build a collection of blocks to track which parts were actually acked, thereby avoiding redundant resends, but in the intererest of simplicity... } download; qboolean knowntoqc; // putclientinserver was called qboolean csqcactive; // its prepared to accept csqc entities. } client_t; //============================================================================= // edict->movetype values #define MOVETYPE_NONE 0 // never moves #define MOVETYPE_ANGLENOCLIP 1 #define MOVETYPE_ANGLECLIP 2 #define MOVETYPE_WALK 3 // gravity #define MOVETYPE_STEP 4 // gravity, special edge handling #define MOVETYPE_FLY 5 #define MOVETYPE_TOSS 6 // gravity #define MOVETYPE_PUSH 7 // no clip to world, push and crush #define MOVETYPE_NOCLIP 8 #define MOVETYPE_FLYMISSILE 9 // extra size to monsters #define MOVETYPE_BOUNCE 10 //#define MOVETYPE_EXT_BOUNCEMISSILE 11 #define MOVETYPE_EXT_FOLLOW 12 // edict->solid values #define SOLID_NOT 0 // no interaction with other objects #define SOLID_TRIGGER 1 // touch on edge, but not blocking #define SOLID_BBOX 2 // touch on edge, block #define SOLID_SLIDEBOX 3 // touch on edge, but not an onground #define SOLID_BSP 4 // bsp clip, touch on edge, block #define SOLID_EXT_CORPSE 5 // passes through slidebox+other corpses, but not bsp/bbox/triggers // edict->deadflag values #define DEAD_NO 0 #define DEAD_DYING 1 #define DEAD_DEAD 2 #define DAMAGE_NO 0 #define DAMAGE_YES 1 #define DAMAGE_AIM 2 // edict->flags #define FL_FLY 1 #define FL_SWIM 2 //#define FL_GLIMPSE 4 #define FL_CONVEYOR 4 #define FL_CLIENT 8 #define FL_INWATER 16 #define FL_MONSTER 32 #define FL_GODMODE 64 #define FL_NOTARGET 128 #define FL_ITEM 256 #define FL_ONGROUND 512 #define FL_PARTIALGROUND 1024 // not all corners are valid #define FL_WATERJUMP 2048 // player jumping out of water #define FL_JUMPRELEASED 4096 // for jump debouncing #define SPAWNFLAG_NOT_EASY 256 #define SPAWNFLAG_NOT_MEDIUM 512 #define SPAWNFLAG_NOT_HARD 1024 #define SPAWNFLAG_NOT_DEATHMATCH 2048 #define MSG_BROADCAST 0 // unreliable to all #define MSG_ONE 1 // reliable to one (msg_entity) #define MSG_ALL 2 // reliable to all #define MSG_INIT 3 // write to the init string #define MSG_EXT_MULTICAST 4 // temporary buffer that can be splurged more reliably / with more control. #define MSG_EXT_ENTITY 5 // for csqc networking. we don't actually support this. I'm just defining it for completeness. //============================================================================ extern cvar_t teamplay; extern cvar_t skill; extern cvar_t deathmatch; extern cvar_t coop; extern cvar_t fraglimit; extern cvar_t timelimit; extern server_static_t svs; // persistant server info extern server_t sv; // local server extern client_t *host_client; extern edict_t *sv_player; //=========================================================== void SV_Init (void); void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count); void SV_StartSound (edict_t *entity, float *origin, int channel, const char *sample, int volume, float attenuation); void SV_DropClient (qboolean crash); void SVFTE_Ack(client_t *client, int sequence); void SVFTE_DestroyFrames(client_t *client); void SV_BuildEntityState(edict_t *ent, entity_state_t *state); void SV_SendClientMessages (void); void SV_ClearDatagram (void); int SV_ModelIndex (const char *name); void SV_SetIdealPitch (void); void SV_AddUpdates (void); void SV_ClientThink (void); void SV_AddClientToServer (struct qsocket_s *ret); void SV_ClientPrintf (const char *fmt, ...) FUNC_PRINTF(1,2); void SV_BroadcastPrintf (const char *fmt, ...) FUNC_PRINTF(1,2); void SV_Physics (void); qboolean SV_CheckBottom (edict_t *ent); qboolean SV_movestep (edict_t *ent, vec3_t move, qboolean relink); void SV_WriteClientdataToMessage (client_t *client, sizebuf_t *msg); void SV_MoveToGoal (void); void SV_ConnectClient (int clientnum); //called from the netcode to add new clients. also called from pr_ext to spawn new botclients. void SV_CheckForNewClients (void); void SV_RunClients (void); void SV_SaveSpawnparms (); void SV_SpawnServer (const char *server); #endif /* _QUAKE_SERVER_H */