Annotation of quake2/game/g_save.c, revision 1.1

1.1     ! root        1: 
        !             2: #include "g_local.h"
        !             3: 
        !             4: field_t fields[] = {
        !             5:        {"classname", FOFS(classname), F_LSTRING},
        !             6:        {"origin", FOFS(s.origin), F_VECTOR},
        !             7:        {"model", FOFS(model), F_LSTRING},
        !             8:        {"spawnflags", FOFS(spawnflags), F_INT},
        !             9:        {"speed", FOFS(speed), F_FLOAT},
        !            10:        {"accel", FOFS(accel), F_FLOAT},
        !            11:        {"decel", FOFS(decel), F_FLOAT},
        !            12:        {"target", FOFS(target), F_LSTRING},
        !            13:        {"targetname", FOFS(targetname), F_LSTRING},
        !            14:        {"pathtarget", FOFS(pathtarget), F_LSTRING},
        !            15:        {"deathtarget", FOFS(deathtarget), F_LSTRING},
        !            16:        {"killtarget", FOFS(killtarget), F_LSTRING},
        !            17:        {"combattarget", FOFS(combattarget), F_LSTRING},
        !            18:        {"message", FOFS(message), F_LSTRING},
        !            19:        {"team", FOFS(team), F_LSTRING},
        !            20:        {"wait", FOFS(wait), F_FLOAT},
        !            21:        {"delay", FOFS(delay), F_FLOAT},
        !            22:        {"random", FOFS(random), F_FLOAT},
        !            23:        {"move_origin", FOFS(move_origin), F_VECTOR},
        !            24:        {"move_angles", FOFS(move_angles), F_VECTOR},
        !            25:        {"style", FOFS(style), F_INT},
        !            26:        {"count", FOFS(count), F_INT},
        !            27:        {"health", FOFS(health), F_INT},
        !            28:        {"sounds", FOFS(sounds), F_INT},
        !            29:        {"light", 0, F_IGNORE},
        !            30:        {"dmg", FOFS(dmg), F_INT},
        !            31:        {"angles", FOFS(s.angles), F_VECTOR},
        !            32:        {"angle", FOFS(s.angles), F_ANGLEHACK},
        !            33:        {"mass", FOFS(mass), F_INT},
        !            34:        {"volume", FOFS(volume), F_FLOAT},
        !            35:        {"attenuation", FOFS(attenuation), F_FLOAT},
        !            36:        {"map", FOFS(map), F_LSTRING},
        !            37: 
        !            38:        // temp spawn vars -- only valid when the spawn function is called
        !            39:        {"lip", STOFS(lip), F_INT, FFL_SPAWNTEMP},
        !            40:        {"distance", STOFS(distance), F_INT, FFL_SPAWNTEMP},
        !            41:        {"height", STOFS(height), F_INT, FFL_SPAWNTEMP},
        !            42:        {"noise", STOFS(noise), F_LSTRING, FFL_SPAWNTEMP},
        !            43:        {"pausetime", STOFS(pausetime), F_FLOAT, FFL_SPAWNTEMP},
        !            44:        {"item", STOFS(item), F_LSTRING, FFL_SPAWNTEMP},
        !            45:        {"gravity", STOFS(gravity), F_LSTRING, FFL_SPAWNTEMP},
        !            46:        {"sky", STOFS(sky), F_LSTRING, FFL_SPAWNTEMP},
        !            47:        {"skyrotate", STOFS(skyrotate), F_FLOAT, FFL_SPAWNTEMP},
        !            48:        {"skyaxis", STOFS(skyaxis), F_VECTOR, FFL_SPAWNTEMP},
        !            49:        {"minyaw", STOFS(minyaw), F_FLOAT, FFL_SPAWNTEMP},
        !            50:        {"maxyaw", STOFS(maxyaw), F_FLOAT, FFL_SPAWNTEMP},
        !            51:        {"minpitch", STOFS(minpitch), F_FLOAT, FFL_SPAWNTEMP},
        !            52:        {"maxpitch", STOFS(maxpitch), F_FLOAT, FFL_SPAWNTEMP},
        !            53:        {"nextmap", STOFS(nextmap), F_LSTRING, FFL_SPAWNTEMP}
        !            54: };
        !            55: 
        !            56: // -------- just for savegames ----------
        !            57: // all pointer fields should be listed here, or savegames
        !            58: // won't work properly (they will crash and burn).
        !            59: // this wasn't just tacked on to the fields array, because
        !            60: // these don't need names, we wouldn't want map fields using
        !            61: // some of these, and if one were accidentally present twice
        !            62: // it would double swizzle (fuck) the pointer.
        !            63: 
        !            64: field_t                savefields[] =
        !            65: {
        !            66:        {"", FOFS(classname), F_LSTRING},
        !            67:        {"", FOFS(target), F_LSTRING},
        !            68:        {"", FOFS(targetname), F_LSTRING},
        !            69:        {"", FOFS(killtarget), F_LSTRING},
        !            70:        {"", FOFS(team), F_LSTRING},
        !            71:        {"", FOFS(pathtarget), F_LSTRING},
        !            72:        {"", FOFS(deathtarget), F_LSTRING},
        !            73:        {"", FOFS(combattarget), F_LSTRING},
        !            74:        {"", FOFS(model), F_LSTRING},
        !            75:        {"", FOFS(map), F_LSTRING},
        !            76:        {"", FOFS(message), F_LSTRING},
        !            77: 
        !            78:        {"", FOFS(client), F_CLIENT},
        !            79:        {"", FOFS(item), F_ITEM},
        !            80: 
        !            81:        {"", FOFS(goalentity), F_EDICT},
        !            82:        {"", FOFS(movetarget), F_EDICT},
        !            83:        {"", FOFS(enemy), F_EDICT},
        !            84:        {"", FOFS(oldenemy), F_EDICT},
        !            85:        {"", FOFS(activator), F_EDICT},
        !            86:        {"", FOFS(groundentity), F_EDICT},
        !            87:        {"", FOFS(teamchain), F_EDICT},
        !            88:        {"", FOFS(teammaster), F_EDICT},
        !            89:        {"", FOFS(owner), F_EDICT},
        !            90:        {"", FOFS(mynoise), F_EDICT},
        !            91:        {"", FOFS(mynoise2), F_EDICT},
        !            92:        {"", FOFS(target_ent), F_EDICT},
        !            93:        {"", FOFS(chain), F_EDICT},
        !            94: 
        !            95:        {NULL, 0, F_INT}
        !            96: };
        !            97: 
        !            98: field_t                levelfields[] =
        !            99: {
        !           100:        {"", LLOFS(changemap), F_LSTRING},
        !           101: 
        !           102:        {"", LLOFS(sight_client), F_EDICT},
        !           103:        {"", LLOFS(sight_entity), F_EDICT},
        !           104:        {"", LLOFS(sound_entity), F_EDICT},
        !           105:        {"", LLOFS(sound2_entity), F_EDICT},
        !           106: 
        !           107:        {NULL, 0, F_INT}
        !           108: };
        !           109: 
        !           110: field_t                clientfields[] =
        !           111: {
        !           112:        {"", CLOFS(pers.weapon), F_ITEM},
        !           113:        {"", CLOFS(pers.lastweapon), F_ITEM},
        !           114:        {"", CLOFS(newweapon), F_ITEM},
        !           115: 
        !           116:        {NULL, 0, F_INT}
        !           117: };
        !           118: 
        !           119: /*
        !           120: ============
        !           121: InitGame
        !           122: 
        !           123: This will be called when the dll is first loaded, which
        !           124: only happens when a new game is started or a save game
        !           125: is loaded.
        !           126: ============
        !           127: */
        !           128: void InitGame (void)
        !           129: {
        !           130:        gi.dprintf ("==== InitGame ====\n");
        !           131: 
        !           132:        gun_x = gi.cvar ("gun_x", "0", 0);
        !           133:        gun_y = gi.cvar ("gun_y", "0", 0);
        !           134:        gun_z = gi.cvar ("gun_z", "0", 0);
        !           135: 
        !           136:        //FIXME: sv_ prefix is wrong for these
        !           137:        sv_rollspeed = gi.cvar ("sv_rollspeed", "200", 0);
        !           138:        sv_rollangle = gi.cvar ("sv_rollangle", "2", 0);
        !           139:        sv_maxvelocity = gi.cvar ("sv_maxvelocity", "2000", 0);
        !           140:        sv_gravity = gi.cvar ("sv_gravity", "800", 0);
        !           141: 
        !           142:        // noset vars
        !           143:        dedicated = gi.cvar ("dedicated", "0", CVAR_NOSET);
        !           144: 
        !           145:        // latched vars
        !           146:        sv_cheats = gi.cvar ("cheats", "0", CVAR_SERVERINFO|CVAR_LATCH);
        !           147:        gi.cvar ("gamename", GAMEVERSION , CVAR_SERVERINFO | CVAR_LATCH);
        !           148:        gi.cvar ("gamedate", __DATE__ , CVAR_SERVERINFO | CVAR_LATCH);
        !           149: 
        !           150:        maxclients = gi.cvar ("maxclients", "4", CVAR_SERVERINFO | CVAR_LATCH);
        !           151:        deathmatch = gi.cvar ("deathmatch", "0", CVAR_LATCH);
        !           152:        coop = gi.cvar ("coop", "0", CVAR_LATCH);
        !           153:        skill = gi.cvar ("skill", "1", CVAR_LATCH);
        !           154:        maxentities = gi.cvar ("maxentities", "1024", CVAR_LATCH);
        !           155: 
        !           156:        // change anytime vars
        !           157:        dmflags = gi.cvar ("dmflags", "0", CVAR_SERVERINFO);
        !           158:        fraglimit = gi.cvar ("fraglimit", "0", CVAR_SERVERINFO);
        !           159:        timelimit = gi.cvar ("timelimit", "0", CVAR_SERVERINFO);
        !           160:        password = gi.cvar ("password", "", CVAR_USERINFO);
        !           161: 
        !           162:        g_select_empty = gi.cvar ("g_select_empty", "0", CVAR_ARCHIVE);
        !           163: 
        !           164:        run_pitch = gi.cvar ("run_pitch", "0.002", 0);
        !           165:        run_roll = gi.cvar ("run_roll", "0.005", 0);
        !           166:        bob_up  = gi.cvar ("bob_up", "0.005", 0);
        !           167:        bob_pitch = gi.cvar ("bob_pitch", "0.002", 0);
        !           168:        bob_roll = gi.cvar ("bob_roll", "0.002", 0);
        !           169: 
        !           170:        // items
        !           171:        InitItems ();
        !           172: 
        !           173:        Com_sprintf (game.helpmessage1, sizeof(game.helpmessage1), "");
        !           174: 
        !           175:        Com_sprintf (game.helpmessage2, sizeof(game.helpmessage2), "");
        !           176: 
        !           177:        // initialize all entities for this game
        !           178:        game.maxentities = maxentities->value;
        !           179:        g_edicts =  gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME);
        !           180:        globals.edicts = g_edicts;
        !           181:        globals.max_edicts = game.maxentities;
        !           182: 
        !           183:        // initialize all clients for this game
        !           184:        game.maxclients = maxclients->value;
        !           185:        game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME);
        !           186:        globals.num_edicts = game.maxclients+1;
        !           187: }
        !           188: 
        !           189: //=========================================================
        !           190: 
        !           191: void WriteField1 (FILE *f, field_t *field, byte *base)
        !           192: {
        !           193:        void            *p;
        !           194:        int                     len;
        !           195:        int                     index;
        !           196: 
        !           197:        p = (void *)(base + field->ofs);
        !           198:        switch (field->type)
        !           199:        {
        !           200:        case F_INT:
        !           201:        case F_FLOAT:
        !           202:        case F_ANGLEHACK:
        !           203:        case F_VECTOR:
        !           204:        case F_IGNORE:
        !           205:                break;
        !           206: 
        !           207:        case F_LSTRING:
        !           208:        case F_GSTRING:
        !           209:                if ( *(char **)p )
        !           210:                        len = strlen(*(char **)p) + 1;
        !           211:                else
        !           212:                        len = 0;
        !           213:                *(int *)p = len;
        !           214:                break;
        !           215:        case F_EDICT:
        !           216:                if ( *(edict_t **)p == NULL)
        !           217:                        index = -1;
        !           218:                else
        !           219:                        index = *(edict_t **)p - g_edicts;
        !           220:                *(int *)p = index;
        !           221:                break;
        !           222:        case F_CLIENT:
        !           223:                if ( *(gclient_t **)p == NULL)
        !           224:                        index = -1;
        !           225:                else
        !           226:                        index = *(gclient_t **)p - game.clients;
        !           227:                *(int *)p = index;
        !           228:                break;
        !           229:        case F_ITEM:
        !           230:                if ( *(edict_t **)p == NULL)
        !           231:                        index = -1;
        !           232:                else
        !           233:                        index = *(gitem_t **)p - itemlist;
        !           234:                *(int *)p = index;
        !           235:                break;
        !           236: 
        !           237:        default:
        !           238:                gi.error ("WriteEdict: unknown field type");
        !           239:        }
        !           240: }
        !           241: 
        !           242: void WriteField2 (FILE *f, field_t *field, byte *base)
        !           243: {
        !           244:        int                     len;
        !           245:        void            *p;
        !           246: 
        !           247:        p = (void *)(base + field->ofs);
        !           248:        switch (field->type)
        !           249:        {
        !           250:        case F_LSTRING:
        !           251:        case F_GSTRING:
        !           252:                if ( *(char **)p )
        !           253:                {
        !           254:                        len = strlen(*(char **)p) + 1;
        !           255:                        fwrite (*(char **)p, len, 1, f);
        !           256:                }
        !           257:                break;
        !           258:        }
        !           259: }
        !           260: 
        !           261: void ReadField (FILE *f, field_t *field, byte *base)
        !           262: {
        !           263:        void            *p;
        !           264:        int                     len;
        !           265:        int                     index;
        !           266: 
        !           267:        p = (void *)(base + field->ofs);
        !           268:        switch (field->type)
        !           269:        {
        !           270:        case F_INT:
        !           271:        case F_FLOAT:
        !           272:        case F_ANGLEHACK:
        !           273:        case F_VECTOR:
        !           274:        case F_IGNORE:
        !           275:                break;
        !           276: 
        !           277:        case F_LSTRING:
        !           278:                len = *(int *)p;
        !           279:                if (!len)
        !           280:                        *(char **)p = NULL;
        !           281:                else
        !           282:                {
        !           283:                        *(char **)p = gi.TagMalloc (len, TAG_LEVEL);
        !           284:                        fread (*(char **)p, len, 1, f);
        !           285:                }
        !           286:                break;
        !           287:        case F_GSTRING:
        !           288:                len = *(int *)p;
        !           289:                if (!len)
        !           290:                        *(char **)p = NULL;
        !           291:                else
        !           292:                {
        !           293:                        *(char **)p = gi.TagMalloc (len, TAG_GAME);
        !           294:                        fread (*(char **)p, len, 1, f);
        !           295:                }
        !           296:                break;
        !           297:        case F_EDICT:
        !           298:                index = *(int *)p;
        !           299:                if ( index == -1 )
        !           300:                        *(edict_t **)p = NULL;
        !           301:                else
        !           302:                        *(edict_t **)p = &g_edicts[index];
        !           303:                break;
        !           304:        case F_CLIENT:
        !           305:                index = *(int *)p;
        !           306:                if ( index == -1 )
        !           307:                        *(gclient_t **)p = NULL;
        !           308:                else
        !           309:                        *(gclient_t **)p = &game.clients[index];
        !           310:                break;
        !           311:        case F_ITEM:
        !           312:                index = *(int *)p;
        !           313:                if ( index == -1 )
        !           314:                        *(gitem_t **)p = NULL;
        !           315:                else
        !           316:                        *(gitem_t **)p = &itemlist[index];
        !           317:                break;
        !           318: 
        !           319:        default:
        !           320:                gi.error ("ReadEdict: unknown field type");
        !           321:        }
        !           322: }
        !           323: 
        !           324: //=========================================================
        !           325: 
        !           326: /*
        !           327: ==============
        !           328: WriteClient
        !           329: 
        !           330: All pointer variables (except function pointers) must be handled specially.
        !           331: ==============
        !           332: */
        !           333: void WriteClient (FILE *f, gclient_t *client)
        !           334: {
        !           335:        field_t         *field;
        !           336:        gclient_t       temp;
        !           337:        
        !           338:        // all of the ints, floats, and vectors stay as they are
        !           339:        temp = *client;
        !           340: 
        !           341:        // change the pointers to lengths or indexes
        !           342:        for (field=clientfields ; field->name ; field++)
        !           343:        {
        !           344:                WriteField1 (f, field, (byte *)&temp);
        !           345:        }
        !           346: 
        !           347:        // write the block
        !           348:        fwrite (&temp, sizeof(temp), 1, f);
        !           349: 
        !           350:        // now write any allocated data following the edict
        !           351:        for (field=clientfields ; field->name ; field++)
        !           352:        {
        !           353:                WriteField2 (f, field, (byte *)client);
        !           354:        }
        !           355: }
        !           356: 
        !           357: /*
        !           358: ==============
        !           359: ReadClient
        !           360: 
        !           361: All pointer variables (except function pointers) must be handled specially.
        !           362: ==============
        !           363: */
        !           364: void ReadClient (FILE *f, gclient_t *client)
        !           365: {
        !           366:        field_t         *field;
        !           367: 
        !           368:        fread (client, sizeof(*client), 1, f);
        !           369: 
        !           370:        for (field=clientfields ; field->name ; field++)
        !           371:        {
        !           372:                ReadField (f, field, (byte *)client);
        !           373:        }
        !           374: }
        !           375: 
        !           376: /*
        !           377: ============
        !           378: WriteGame
        !           379: 
        !           380: This will be called whenever the game goes to a new level,
        !           381: and when the user explicitly saves the game.
        !           382: 
        !           383: Game information include cross level data, like multi level
        !           384: triggers, help computer info, and all client states.
        !           385: 
        !           386: A single player death will automatically restore from the
        !           387: last save position.
        !           388: ============
        !           389: */
        !           390: void WriteGame (char *filename, qboolean autosave)
        !           391: {
        !           392:        FILE    *f;
        !           393:        int             i;
        !           394:        char    str[16];
        !           395: 
        !           396:        if (!autosave)
        !           397:                SaveClientData ();
        !           398: 
        !           399:        f = fopen (filename, "wb");
        !           400:        if (!f)
        !           401:                gi.error ("Couldn't open %s", filename);
        !           402: 
        !           403:        memset (str, 0, sizeof(str));
        !           404:        strcpy (str, __DATE__);
        !           405:        fwrite (str, sizeof(str), 1, f);
        !           406: 
        !           407:        game.autosaved = autosave;
        !           408:        fwrite (&game, sizeof(game), 1, f);
        !           409:        game.autosaved = false;
        !           410: 
        !           411:        for (i=0 ; i<game.maxclients ; i++)
        !           412:                WriteClient (f, &game.clients[i]);
        !           413: 
        !           414:        fclose (f);
        !           415: }
        !           416: 
        !           417: void ReadGame (char *filename)
        !           418: {
        !           419:        FILE    *f;
        !           420:        int             i;
        !           421:        char    str[16];
        !           422: 
        !           423:        gi.FreeTags (TAG_GAME);
        !           424: 
        !           425:        f = fopen (filename, "rb");
        !           426:        if (!f)
        !           427:                gi.error ("Couldn't open %s", filename);
        !           428: 
        !           429:        fread (str, sizeof(str), 1, f);
        !           430:        if (strcmp (str, __DATE__))
        !           431:        {
        !           432:                fclose (f);
        !           433:                gi.error ("Savegame from an older version.\n");
        !           434:        }
        !           435: 
        !           436:        g_edicts =  gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME);
        !           437:        globals.edicts = g_edicts;
        !           438: 
        !           439:        fread (&game, sizeof(game), 1, f);
        !           440:        game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME);
        !           441:        for (i=0 ; i<game.maxclients ; i++)
        !           442:                ReadClient (f, &game.clients[i]);
        !           443: 
        !           444:        fclose (f);
        !           445: }
        !           446: 
        !           447: //==========================================================
        !           448: 
        !           449: 
        !           450: /*
        !           451: ==============
        !           452: WriteEdict
        !           453: 
        !           454: All pointer variables (except function pointers) must be handled specially.
        !           455: ==============
        !           456: */
        !           457: void WriteEdict (FILE *f, edict_t *ent)
        !           458: {
        !           459:        field_t         *field;
        !           460:        edict_t         temp;
        !           461: 
        !           462:        // all of the ints, floats, and vectors stay as they are
        !           463:        temp = *ent;
        !           464: 
        !           465:        // change the pointers to lengths or indexes
        !           466:        for (field=savefields ; field->name ; field++)
        !           467:        {
        !           468:                WriteField1 (f, field, (byte *)&temp);
        !           469:        }
        !           470: 
        !           471:        // write the block
        !           472:        fwrite (&temp, sizeof(temp), 1, f);
        !           473: 
        !           474:        // now write any allocated data following the edict
        !           475:        for (field=savefields ; field->name ; field++)
        !           476:        {
        !           477:                WriteField2 (f, field, (byte *)ent);
        !           478:        }
        !           479: 
        !           480: }
        !           481: 
        !           482: /*
        !           483: ==============
        !           484: WriteLevelLocals
        !           485: 
        !           486: All pointer variables (except function pointers) must be handled specially.
        !           487: ==============
        !           488: */
        !           489: void WriteLevelLocals (FILE *f)
        !           490: {
        !           491:        field_t         *field;
        !           492:        level_locals_t          temp;
        !           493: 
        !           494:        // all of the ints, floats, and vectors stay as they are
        !           495:        temp = level;
        !           496: 
        !           497:        // change the pointers to lengths or indexes
        !           498:        for (field=levelfields ; field->name ; field++)
        !           499:        {
        !           500:                WriteField1 (f, field, (byte *)&temp);
        !           501:        }
        !           502: 
        !           503:        // write the block
        !           504:        fwrite (&temp, sizeof(temp), 1, f);
        !           505: 
        !           506:        // now write any allocated data following the edict
        !           507:        for (field=levelfields ; field->name ; field++)
        !           508:        {
        !           509:                WriteField2 (f, field, (byte *)&level);
        !           510:        }
        !           511: }
        !           512: 
        !           513: 
        !           514: /*
        !           515: ==============
        !           516: ReadEdict
        !           517: 
        !           518: All pointer variables (except function pointers) must be handled specially.
        !           519: ==============
        !           520: */
        !           521: void ReadEdict (FILE *f, edict_t *ent)
        !           522: {
        !           523:        field_t         *field;
        !           524: 
        !           525:        fread (ent, sizeof(*ent), 1, f);
        !           526: 
        !           527:        for (field=savefields ; field->name ; field++)
        !           528:        {
        !           529:                ReadField (f, field, (byte *)ent);
        !           530:        }
        !           531: }
        !           532: 
        !           533: /*
        !           534: ==============
        !           535: ReadLevelLocals
        !           536: 
        !           537: All pointer variables (except function pointers) must be handled specially.
        !           538: ==============
        !           539: */
        !           540: void ReadLevelLocals (FILE *f)
        !           541: {
        !           542:        field_t         *field;
        !           543: 
        !           544:        fread (&level, sizeof(level), 1, f);
        !           545: 
        !           546:        for (field=levelfields ; field->name ; field++)
        !           547:        {
        !           548:                ReadField (f, field, (byte *)&level);
        !           549:        }
        !           550: }
        !           551: 
        !           552: /*
        !           553: =================
        !           554: WriteLevel
        !           555: 
        !           556: =================
        !           557: */
        !           558: void WriteLevel (char *filename)
        !           559: {
        !           560:        int             i;
        !           561:        edict_t *ent;
        !           562:        FILE    *f;
        !           563:        void    *base;
        !           564: 
        !           565:        f = fopen (filename, "wb");
        !           566:        if (!f)
        !           567:                gi.error ("Couldn't open %s", filename);
        !           568: 
        !           569:        // write out edict size for checking
        !           570:        i = sizeof(edict_t);
        !           571:        fwrite (&i, sizeof(i), 1, f);
        !           572: 
        !           573:        // write out a function pointer for checking
        !           574:        base = (void *)InitGame;
        !           575:        fwrite (&base, sizeof(base), 1, f);
        !           576: 
        !           577:        // write out level_locals_t
        !           578:        WriteLevelLocals (f);
        !           579: 
        !           580:        // write out all the entities
        !           581:        for (i=0 ; i<globals.num_edicts ; i++)
        !           582:        {
        !           583:                ent = &g_edicts[i];
        !           584:                if (!ent->inuse)
        !           585:                        continue;
        !           586:                fwrite (&i, sizeof(i), 1, f);
        !           587:                WriteEdict (f, ent);
        !           588:        }
        !           589:        i = -1;
        !           590:        fwrite (&i, sizeof(i), 1, f);
        !           591: 
        !           592:        fclose (f);
        !           593: }
        !           594: 
        !           595: 
        !           596: /*
        !           597: =================
        !           598: ReadLevel
        !           599: 
        !           600: SpawnEntities will already have been called on the
        !           601: level the same way it was when the level was saved.
        !           602: 
        !           603: That is necessary to get the baselines
        !           604: set up identically.
        !           605: 
        !           606: The server will have cleared all of the world links before
        !           607: calling ReadLevel.
        !           608: 
        !           609: No clients are connected yet.
        !           610: =================
        !           611: */
        !           612: void ReadLevel (char *filename)
        !           613: {
        !           614:        int             entnum;
        !           615:        FILE    *f;
        !           616:        int             i;
        !           617:        void    *base;
        !           618:        edict_t *ent;
        !           619: 
        !           620:        f = fopen (filename, "rb");
        !           621:        if (!f)
        !           622:                gi.error ("Couldn't open %s", filename);
        !           623: 
        !           624:        // free any dynamic memory allocated by loading the level
        !           625:        // base state
        !           626:        gi.FreeTags (TAG_LEVEL);
        !           627: 
        !           628:        // wipe all the entities
        !           629:        memset (g_edicts, 0, game.maxentities*sizeof(g_edicts[0]));
        !           630:        globals.num_edicts = maxclients->value+1;
        !           631: 
        !           632:        // check edict size
        !           633:        fread (&i, sizeof(i), 1, f);
        !           634:        if (i != sizeof(edict_t))
        !           635:        {
        !           636:                fclose (f);
        !           637:                gi.error ("ReadLevel: mismatched edict size");
        !           638:        }
        !           639: 
        !           640:        // check function pointer base address
        !           641:        fread (&base, sizeof(base), 1, f);
        !           642:        if (base != (void *)InitGame)
        !           643:        {
        !           644:                fclose (f);
        !           645:                gi.error ("ReadLevel: function pointers have moved");
        !           646:        }
        !           647: 
        !           648:        // load the level locals
        !           649:        ReadLevelLocals (f);
        !           650: 
        !           651:        // load all the entities
        !           652:        while (1)
        !           653:        {
        !           654:                if (fread (&entnum, sizeof(entnum), 1, f) != 1)
        !           655:                {
        !           656:                        fclose (f);
        !           657:                        gi.error ("ReadLevel: failed to read entnum");
        !           658:                }
        !           659:                if (entnum == -1)
        !           660:                        break;
        !           661:                if (entnum >= globals.num_edicts)
        !           662:                        globals.num_edicts = entnum+1;
        !           663: 
        !           664:                ent = &g_edicts[entnum];
        !           665:                ReadEdict (f, ent);
        !           666: 
        !           667:                // let the server rebuild world links for this ent
        !           668:                memset (&ent->area, 0, sizeof(ent->area));
        !           669:                gi.linkentity (ent);
        !           670:        }
        !           671: 
        !           672:        fclose (f);
        !           673: 
        !           674:        // mark all clients as unconnected
        !           675:        for (i=0 ; i<maxclients->value ; i++)
        !           676:        {
        !           677:                ent = &g_edicts[i+1];
        !           678:                ent->client = game.clients + i;
        !           679:                ent->client->pers.connected = false;
        !           680:        }
        !           681: 
        !           682:        // do any load time things at this point
        !           683:        for (i=0 ; i<globals.num_edicts ; i++)
        !           684:        {
        !           685:                ent = &g_edicts[i];
        !           686: 
        !           687:                if (!ent->inuse)
        !           688:                        continue;
        !           689: 
        !           690:                // fire any cross-level triggers
        !           691:                if (ent->classname)
        !           692:                        if (strcmp(ent->classname, "target_crosslevel_target") == 0)
        !           693:                                ent->nextthink = level.time + ent->delay;
        !           694:        }
        !           695: }

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