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Annotation of quake2/server/sv_game.c, revision 1.1

1.1     ! root        1: // sv_game.c -- interface to the game dll
        !             2: 
        !             3: #include "server.h"
        !             4: 
        !             5: game_export_t  *ge;
        !             6: 
        !             7: 
        !             8: /*
        !             9: ===============
        !            10: PF_Unicast
        !            11: 
        !            12: Sends the contents of the mutlicast buffer to a single client
        !            13: ===============
        !            14: */
        !            15: void PF_Unicast (edict_t *ent, qboolean reliable)
        !            16: {
        !            17:        int             p;
        !            18:        client_t        *client;
        !            19: 
        !            20:        if (!ent)
        !            21:                return;
        !            22: 
        !            23:        p = NUM_FOR_EDICT(ent);
        !            24:        if (p < 1 || p > maxclients->value)
        !            25:                return;
        !            26: 
        !            27:        client = svs.clients + (p-1);
        !            28: 
        !            29:        if (reliable)
        !            30:                SZ_Write (&client->netchan.message, sv.multicast.data, sv.multicast.cursize);
        !            31:        else
        !            32:                SZ_Write (&client->datagram, sv.multicast.data, sv.multicast.cursize);
        !            33: 
        !            34:        SZ_Clear (&sv.multicast);
        !            35: }
        !            36: 
        !            37: 
        !            38: /*
        !            39: ===============
        !            40: PF_dprintf
        !            41: 
        !            42: Debug print to server console
        !            43: ===============
        !            44: */
        !            45: void PF_dprintf (char *fmt, ...)
        !            46: {
        !            47:        char            msg[1024];
        !            48:        va_list         argptr;
        !            49:        
        !            50:        va_start (argptr,fmt);
        !            51:        vsprintf (msg, fmt, argptr);
        !            52:        va_end (argptr);
        !            53: 
        !            54:        Com_Printf ("%s", msg);
        !            55: }
        !            56: 
        !            57: 
        !            58: /*
        !            59: ===============
        !            60: PF_cprintf
        !            61: 
        !            62: Print to a single client
        !            63: ===============
        !            64: */
        !            65: void PF_cprintf (edict_t *ent, int level, char *fmt, ...)
        !            66: {
        !            67:        char            msg[1024];
        !            68:        va_list         argptr;
        !            69:        int                     n;
        !            70: 
        !            71:        if (ent)
        !            72:        {
        !            73:                n = NUM_FOR_EDICT(ent);
        !            74:                if (n < 1 || n > maxclients->value)
        !            75:                        Com_Error (ERR_DROP, "cprintf to a non-client");
        !            76:        }
        !            77: 
        !            78:        va_start (argptr,fmt);
        !            79:        vsprintf (msg, fmt, argptr);
        !            80:        va_end (argptr);
        !            81: 
        !            82:        if (ent)
        !            83:                SV_ClientPrintf (svs.clients+(n-1), level, "%s", msg);
        !            84:        else
        !            85:                Com_Printf ("%s", msg);
        !            86: }
        !            87: 
        !            88: 
        !            89: /*
        !            90: ===============
        !            91: PF_centerprintf
        !            92: 
        !            93: centerprint to a single client
        !            94: ===============
        !            95: */
        !            96: void PF_centerprintf (edict_t *ent, char *fmt, ...)
        !            97: {
        !            98:        char            msg[1024];
        !            99:        va_list         argptr;
        !           100:        int                     n;
        !           101:        
        !           102:        n = NUM_FOR_EDICT(ent);
        !           103:        if (n < 1 || n > maxclients->value)
        !           104:                return; // Com_Error (ERR_DROP, "centerprintf to a non-client");
        !           105: 
        !           106:        va_start (argptr,fmt);
        !           107:        vsprintf (msg, fmt, argptr);
        !           108:        va_end (argptr);
        !           109: 
        !           110:        MSG_WriteByte (&sv.multicast,svc_centerprint);
        !           111:        MSG_WriteString (&sv.multicast,msg);
        !           112:        PF_Unicast (ent, true);
        !           113: }
        !           114: 
        !           115: 
        !           116: /*
        !           117: ===============
        !           118: PF_error
        !           119: 
        !           120: Abort the server with a game error
        !           121: ===============
        !           122: */
        !           123: void PF_error (char *fmt, ...)
        !           124: {
        !           125:        char            msg[1024];
        !           126:        va_list         argptr;
        !           127:        
        !           128:        va_start (argptr,fmt);
        !           129:        vsprintf (msg, fmt, argptr);
        !           130:        va_end (argptr);
        !           131: 
        !           132:        Com_Error (ERR_DROP, "Game Error: %s", msg);
        !           133: }
        !           134: 
        !           135: 
        !           136: /*
        !           137: =================
        !           138: PF_setmodel
        !           139: 
        !           140: Also sets mins and maxs for inline bmodels
        !           141: =================
        !           142: */
        !           143: void PF_setmodel (edict_t *ent, char *name)
        !           144: {
        !           145:        int             i;
        !           146:        cmodel_t        *mod;
        !           147: 
        !           148:        if (!name)
        !           149:                Com_Error (ERR_DROP, "PF_setmodel: NULL");
        !           150: 
        !           151:        i = SV_ModelIndex (name);
        !           152:                
        !           153: //     ent->model = name;
        !           154:        ent->s.modelindex = i;
        !           155: 
        !           156: // if it is an inline model, get the size information for it
        !           157:        if (name[0] == '*')
        !           158:        {
        !           159:                mod = CM_InlineModel (name);
        !           160:                VectorCopy (mod->mins, ent->mins);
        !           161:                VectorCopy (mod->maxs, ent->maxs);
        !           162:                SV_LinkEdict (ent);
        !           163:        }
        !           164: 
        !           165: }
        !           166: 
        !           167: /*
        !           168: ===============
        !           169: PF_Configstring
        !           170: 
        !           171: ===============
        !           172: */
        !           173: void PF_Configstring (int index, char *val)
        !           174: {
        !           175:        if (index < 0 || index >= MAX_CONFIGSTRINGS)
        !           176:                Com_Error (ERR_DROP, "configstring: bad index %i\n", index);
        !           177: 
        !           178:        if (!val)
        !           179:                val = "";
        !           180: 
        !           181:        // change the string in sv
        !           182:        strcpy (sv.configstrings[index], val);
        !           183: 
        !           184:        
        !           185:        if (sv.state != ss_loading)
        !           186:        {       // send the update to everyone
        !           187:                SZ_Clear (&sv.multicast);
        !           188:                MSG_WriteChar (&sv.multicast, svc_configstring);
        !           189:                MSG_WriteShort (&sv.multicast, index);
        !           190:                MSG_WriteString (&sv.multicast, val);
        !           191: 
        !           192:                SV_Multicast (vec3_origin, MULTICAST_ALL_R);
        !           193:        }
        !           194: }
        !           195: 
        !           196: 
        !           197: 
        !           198: void PF_WriteChar (int c) {MSG_WriteChar (&sv.multicast, c);}
        !           199: void PF_WriteByte (int c) {MSG_WriteByte (&sv.multicast, c);}
        !           200: void PF_WriteShort (int c) {MSG_WriteShort (&sv.multicast, c);}
        !           201: void PF_WriteLong (int c) {MSG_WriteLong (&sv.multicast, c);}
        !           202: void PF_WriteFloat (float f) {MSG_WriteFloat (&sv.multicast, f);}
        !           203: void PF_WriteString (char *s) {MSG_WriteString (&sv.multicast, s);}
        !           204: void PF_WritePos (vec3_t pos) {MSG_WritePos (&sv.multicast, pos);}
        !           205: void PF_WriteDir (vec3_t dir) {MSG_WriteDir (&sv.multicast, dir);}
        !           206: void PF_WriteAngle (float f) {MSG_WriteAngle (&sv.multicast, f);}
        !           207: 
        !           208: 
        !           209: /*
        !           210: =================
        !           211: PF_inPVS
        !           212: 
        !           213: Also checks portalareas so that doors block sight
        !           214: =================
        !           215: */
        !           216: qboolean PF_inPVS (vec3_t p1, vec3_t p2)
        !           217: {
        !           218:        int             leafnum;
        !           219:        int             cluster;
        !           220:        int             area1, area2;
        !           221:        byte    *mask;
        !           222: 
        !           223:        leafnum = CM_PointLeafnum (p1);
        !           224:        cluster = CM_LeafCluster (leafnum);
        !           225:        area1 = CM_LeafArea (leafnum);
        !           226:        mask = CM_ClusterPVS (cluster);
        !           227: 
        !           228:        leafnum = CM_PointLeafnum (p2);
        !           229:        cluster = CM_LeafCluster (leafnum);
        !           230:        area2 = CM_LeafArea (leafnum);
        !           231:        if ( mask && (!(mask[cluster>>3] & (1<<(cluster&7)) ) ) )
        !           232:                return false;
        !           233:        if (!CM_AreasConnected (area1, area2))
        !           234:                return false;           // a door blocks sight
        !           235:        return true;
        !           236: }
        !           237: 
        !           238: 
        !           239: /*
        !           240: =================
        !           241: PF_inPHS
        !           242: 
        !           243: Also checks portalareas so that doors block sound
        !           244: =================
        !           245: */
        !           246: qboolean PF_inPHS (vec3_t p1, vec3_t p2)
        !           247: {
        !           248:        int             leafnum;
        !           249:        int             cluster;
        !           250:        int             area1, area2;
        !           251:        byte    *mask;
        !           252: 
        !           253:        leafnum = CM_PointLeafnum (p1);
        !           254:        cluster = CM_LeafCluster (leafnum);
        !           255:        area1 = CM_LeafArea (leafnum);
        !           256:        mask = CM_ClusterPHS (cluster);
        !           257: 
        !           258:        leafnum = CM_PointLeafnum (p2);
        !           259:        cluster = CM_LeafCluster (leafnum);
        !           260:        area2 = CM_LeafArea (leafnum);
        !           261:        if ( mask && (!(mask[cluster>>3] & (1<<(cluster&7)) ) ) )
        !           262:                return false;           // more than one bounce away
        !           263:        if (!CM_AreasConnected (area1, area2))
        !           264:                return false;           // a door blocks hearing
        !           265: 
        !           266:        return true;
        !           267: }
        !           268: 
        !           269: void PF_StartSound (edict_t *entity, int channel, int sound_num, float volume,
        !           270:     float attenuation, float timeofs)
        !           271: {
        !           272:        if (!entity)
        !           273:                return;
        !           274:        SV_StartSound (NULL, entity, channel, sound_num, volume, attenuation, timeofs);
        !           275: }
        !           276: 
        !           277: //==============================================
        !           278: 
        !           279: /*
        !           280: ===============
        !           281: SV_ShutdownGameProgs
        !           282: 
        !           283: Called when either the entire server is being killed, or
        !           284: it is changing to a different game directory.
        !           285: ===============
        !           286: */
        !           287: void SV_ShutdownGameProgs (void)
        !           288: {
        !           289:        if (!ge)
        !           290:                return;
        !           291:        ge->Shutdown ();
        !           292:        Sys_UnloadGame ();
        !           293:        ge = NULL;
        !           294: }
        !           295: 
        !           296: /*
        !           297: ===============
        !           298: SV_InitGameProgs
        !           299: 
        !           300: Init the game subsystem for a new map
        !           301: ===============
        !           302: */
        !           303: void SCR_DebugGraph (float value, int color);
        !           304: 
        !           305: void SV_InitGameProgs (void)
        !           306: {
        !           307:        game_import_t   import;
        !           308: 
        !           309:        // unload anything we have now
        !           310:        if (ge)
        !           311:                SV_ShutdownGameProgs ();
        !           312: 
        !           313: 
        !           314:        // load a new game dll
        !           315:        import.multicast = SV_Multicast;
        !           316:        import.unicast = PF_Unicast;
        !           317:        import.bprintf = SV_BroadcastPrintf;
        !           318:        import.dprintf = PF_dprintf;
        !           319:        import.cprintf = PF_cprintf;
        !           320:        import.centerprintf = PF_centerprintf;
        !           321:        import.error = PF_error;
        !           322: 
        !           323:        import.linkentity = SV_LinkEdict;
        !           324:        import.unlinkentity = SV_UnlinkEdict;
        !           325:        import.BoxEdicts = SV_AreaEdicts;
        !           326:        import.trace = SV_Trace;
        !           327:        import.pointcontents = SV_PointContents;
        !           328:        import.setmodel = PF_setmodel;
        !           329:        import.inPVS = PF_inPVS;
        !           330:        import.inPHS = PF_inPHS;
        !           331:        import.Pmove = Pmove;
        !           332: 
        !           333:        import.modelindex = SV_ModelIndex;
        !           334:        import.soundindex = SV_SoundIndex;
        !           335:        import.imageindex = SV_ImageIndex;
        !           336: 
        !           337:        import.configstring = PF_Configstring;
        !           338:        import.sound = PF_StartSound;
        !           339:        import.positioned_sound = SV_StartSound;
        !           340: 
        !           341:        import.WriteChar = PF_WriteChar;
        !           342:        import.WriteByte = PF_WriteByte;
        !           343:        import.WriteShort = PF_WriteShort;
        !           344:        import.WriteLong = PF_WriteLong;
        !           345:        import.WriteFloat = PF_WriteFloat;
        !           346:        import.WriteString = PF_WriteString;
        !           347:        import.WritePosition = PF_WritePos;
        !           348:        import.WriteDir = PF_WriteDir;
        !           349:        import.WriteAngle = PF_WriteAngle;
        !           350: 
        !           351:        import.TagMalloc = Z_TagMalloc;
        !           352:        import.TagFree = Z_Free;
        !           353:        import.FreeTags = Z_FreeTags;
        !           354: 
        !           355:        import.cvar = Cvar_Get;
        !           356:        import.cvar_set = Cvar_Set;
        !           357:        import.cvar_forceset = Cvar_ForceSet;
        !           358: 
        !           359:        import.argc = Cmd_Argc;
        !           360:        import.argv = Cmd_Argv;
        !           361:        import.args = Cmd_Args;
        !           362:        import.AddCommandString = Cbuf_AddText;
        !           363: 
        !           364:        import.DebugGraph = SCR_DebugGraph;
        !           365:        import.SetAreaPortalState = CM_SetAreaPortalState;
        !           366:        import.AreasConnected = CM_AreasConnected;
        !           367: 
        !           368:        ge = (game_export_t *)Sys_GetGameAPI (&import);
        !           369: 
        !           370:        if (!ge)
        !           371:                Com_Error (ERR_DROP, "failed to load game DLL");
        !           372:        if (ge->apiversion != GAME_API_VERSION)
        !           373:                Com_Error (ERR_DROP, "game is version %i, not %i", ge->apiversion,
        !           374:                GAME_API_VERSION);
        !           375: 
        !           376:        ge->Init ();
        !           377: }
        !           378: 
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