server.h

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // server.h
  21
  22 typedef struct
  23 {
  24         int                     maxclients;
  25         int                     maxclientslimit;
  26         struct client_s *clients;               // [maxclients]
  27         int                     serverflags;            // episode completion information
  28         qboolean        changelevel_issued;     // cleared when at SV_SpawnServer
  29 } server_static_t;
  30
  31 //=============================================================================
  32
  33 typedef enum {ss_loading, ss_active} server_state_t;
  34
  35 typedef struct
  36 {
  37         qboolean        active;                         // false if only a net client
  38
  39         qboolean        paused;
  40         qboolean        loadgame;                       // handle connections specially
  41
  42         double          time;
  43
  44         double          frametime;
  45
  46         int                     lastcheck;                      // used by PF_checkclient
  47         double          lastchecktime;
  48
  49         char            name[64];                       // map name
  50         char            modelname[64];          // maps/<name>.bsp, for model_precache[0]
  51         struct model_s  *worldmodel;
  52         char            *model_precache[MAX_MODELS];    // NULL terminated
  53         struct model_s  *models[MAX_MODELS];
  54         char            *sound_precache[MAX_SOUNDS];    // NULL terminated
  55         char            *lightstyles[MAX_LIGHTSTYLES];
  56         int                     num_edicts;
  57         int                     max_edicts;
  58         edict_t         *edicts;                        // can NOT be array indexed, because
  59                                                                         // edict_t is variable sized, but can
  60                                                                         // be used to reference the world ent
  61         server_state_t  state;                  // some actions are only valid during load
  62
  63         sizebuf_t       datagram;
  64         qbyte           datagram_buf[MAX_DATAGRAM];
  65
  66         sizebuf_t       reliable_datagram;      // copied to all clients at end of frame
  67         qbyte           reliable_datagram_buf[MAX_DATAGRAM];
  68
  69         sizebuf_t       signon;
  70         qbyte           signon_buf[32768]; // LordHavoc: increased signon message buffer from 8192 to 32768
  71 } server_t;
  72
  73
  74 #define NUM_PING_TIMES          16
  75 #define NUM_SPAWN_PARMS         16
  76
  77 typedef struct client_s
  78 {
  79         qboolean                active;                         // false = client is free
  80         qboolean                spawned;                        // false = don't send datagrams
  81         qboolean                dropasap;                       // has been told to go to another level
  82         qboolean                sendsignon;                     // only valid before spawned
  83
  84         // LordHavoc: to make netquake protocol get through NAT routers, have to wait for client to ack
  85         qboolean                waitingforconnect;      // waiting for connect from client (stage 1)
  86         qboolean                sendserverinfo;         // send server info in next datagram (stage 2)
  87
  88         double                  last_message;           // reliable messages must be sent
  89                                                                                 // periodically
  90
  91         struct qsocket_s *netconnection;        // communications handle
  92
  93         usercmd_t               cmd;                            // movement
  94         vec3_t                  wishdir;                        // intended motion calced from cmd
  95
  96         sizebuf_t               message;                        // can be added to at any time,
  97                                                                                 // copied and clear once per frame
  98         qbyte                   msgbuf[MAX_MSGLEN];
  99         edict_t                 *edict;                         // EDICT_NUM(clientnum+1)
 100         char                    name[32];                       // for printing to other people
 101         int                             colors;
 102
 103         float                   ping_times[NUM_PING_TIMES];
 104         int                             num_pings;                      // ping_times[num_pings%NUM_PING_TIMES]
 105         float                   ping;                           // LordHavoc: can be used for prediction or whatever...
 106         float                   latency;                        // LordHavoc: specifically used for prediction, accounts for sys_ticrate too
 107
 108 // spawn parms are carried from level to level
 109         float                   spawn_parms[NUM_SPAWN_PARMS];
 110
 111 // client known data for deltas
 112         int                             old_frags;
 113         int                             pmodel;
 114
 115 #ifdef QUAKEENTITIES
 116         // delta compression state
 117         float                   nextfullupdate[MAX_EDICTS];
 118 #endif
 119         // visibility state
 120         float                   visibletime[MAX_EDICTS];
 121
 122 #ifndef QUAKEENTITIES
 123         entity_database_t entitydatabase;
 124         int                             entityframenumber; // incremented each time an entity frame is sent
 125 #endif
 126 } client_t;
 127
 128
 129 //=============================================================================
 130
 131 // edict->movetype values
 132 #define MOVETYPE_NONE                   0               // never moves
 133 #define MOVETYPE_ANGLENOCLIP    1
 134 #define MOVETYPE_ANGLECLIP              2
 135 #define MOVETYPE_WALK                   3               // gravity
 136 #define MOVETYPE_STEP                   4               // gravity, special edge handling
 137 #define MOVETYPE_FLY                    5
 138 #define MOVETYPE_TOSS                   6               // gravity
 139 #define MOVETYPE_PUSH                   7               // no clip to world, push and crush
 140 #define MOVETYPE_NOCLIP                 8
 141 #define MOVETYPE_FLYMISSILE             9               // extra size to monsters
 142 #define MOVETYPE_BOUNCE                 10
 143 #define MOVETYPE_BOUNCEMISSILE  11              // bounce w/o gravity
 144 #define MOVETYPE_FOLLOW                 12              // track movement of aiment
 145
 146 // edict->solid values
 147 #define SOLID_NOT                               0               // no interaction with other objects
 148 #define SOLID_TRIGGER                   1               // touch on edge, but not blocking
 149 #define SOLID_BBOX                              2               // touch on edge, block
 150 #define SOLID_SLIDEBOX                  3               // touch on edge, but not an onground
 151 #define SOLID_BSP                               4               // bsp clip, touch on edge, block
 152 // LordHavoc: corpse code
 153 #define SOLID_CORPSE                    5               // same as SOLID_BBOX, except it behaves as SOLID_NOT against SOLID_SLIDEBOX objects (players/monsters)
 154
 155 // edict->deadflag values
 156 #define DEAD_NO                                 0
 157 #define DEAD_DYING                              1
 158 #define DEAD_DEAD                               2
 159
 160 #define DAMAGE_NO                               0
 161 #define DAMAGE_YES                              1
 162 #define DAMAGE_AIM                              2
 163
 164 // edict->flags
 165 #define FL_FLY                                  1
 166 #define FL_SWIM                                 2
 167 //#define       FL_GLIMPSE                              4
 168 #define FL_CONVEYOR                             4
 169 #define FL_CLIENT                               8
 170 #define FL_INWATER                              16
 171 #define FL_MONSTER                              32
 172 #define FL_GODMODE                              64
 173 #define FL_NOTARGET                             128
 174 #define FL_ITEM                                 256
 175 #define FL_ONGROUND                             512
 176 #define FL_PARTIALGROUND                1024    // not all corners are valid
 177 #define FL_WATERJUMP                    2048    // player jumping out of water
 178 #define FL_JUMPRELEASED                 4096    // for jump debouncing
 179
 180 // entity effects
 181
 182 #define EF_BRIGHTFIELD                  1
 183 #define EF_MUZZLEFLASH                  2
 184 #define EF_BRIGHTLIGHT                  4
 185 #define EF_DIMLIGHT                     8
 186 // added EF_ effects:
 187 #define EF_NODRAW                               16
 188 #define EF_ADDITIVE                             32  // LordHavoc: Additive Rendering
 189 #define EF_BLUE                                 64
 190 #define EF_RED                                  128
 191
 192 #define SPAWNFLAG_NOT_EASY                      256
 193 #define SPAWNFLAG_NOT_MEDIUM            512
 194 #define SPAWNFLAG_NOT_HARD                      1024
 195 #define SPAWNFLAG_NOT_DEATHMATCH        2048
 196
 197 //============================================================================
 198
 199 extern cvar_t teamplay;
 200 extern cvar_t skill;
 201 extern cvar_t deathmatch;
 202 extern cvar_t coop;
 203 extern cvar_t fraglimit;
 204 extern cvar_t timelimit;
 205 extern cvar_t pausable;
 206 extern cvar_t sv_deltacompress;
 207 extern cvar_t sv_maxvelocity;
 208 extern cvar_t sv_gravity;
 209 extern cvar_t sv_nostep;
 210 extern cvar_t sv_friction;
 211 extern cvar_t sv_edgefriction;
 212 extern cvar_t sv_stopspeed;
 213 extern cvar_t sv_maxspeed;
 214 extern cvar_t sv_accelerate;
 215 extern cvar_t sv_idealpitchscale;
 216 extern cvar_t sv_aim;
 217 extern cvar_t sv_predict;
 218
 219 extern server_static_t svs;                             // persistant server info
 220 extern server_t sv;                                     // local server
 221
 222 extern client_t *host_client;
 223
 224 extern jmp_buf host_abortserver;
 225
 226 extern edict_t *sv_player;
 227
 228 //===========================================================
 229
 230 void SV_Init (void);
 231
 232 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count);
 233 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate);
 234 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation);
 235
 236 void SV_DropClient (qboolean crash);
 237
 238 void SV_SendClientMessages (void);
 239 void SV_ClearDatagram (void);
 240
 241 int SV_ModelIndex (char *name);
 242
 243 void SV_SetIdealPitch (void);
 244
 245 void SV_AddUpdates (void);
 246
 247 void SV_ClientThink (void);
 248 void SV_AddClientToServer (struct qsocket_s     *ret);
 249
 250 void SV_ClientPrintf (char *fmt, ...);
 251 void SV_BroadcastPrintf (char *fmt, ...);
 252
 253 void SV_Physics (void);
 254
 255 qboolean SV_CheckBottom (edict_t *ent);
 256 qboolean SV_movestep (edict_t *ent, vec3_t move, qboolean relink);
 257
 258 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg);
 259
 260 void SV_MoveToGoal (void);
 261
 262 void SV_CheckForNewClients (void);
 263 void SV_RunClients (void);
 264 void SV_SaveSpawnparms (void);
 265 void SV_SpawnServer (char *server);