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

1.1     ! root        1: 
        !             2: #include "g_local.h"
        !             3: 
        !             4: #define Function(f) {#f, f}
        !             5: 
        !             6: mmove_t mmove_reloc;
        !             7: 
        !             8: field_t fields[] = {
        !             9:        {"classname", FOFS(classname), F_LSTRING},
        !            10:        {"model", FOFS(model), F_LSTRING},
        !            11:        {"spawnflags", FOFS(spawnflags), F_INT},
        !            12:        {"speed", FOFS(speed), F_FLOAT},
        !            13:        {"accel", FOFS(accel), F_FLOAT},
        !            14:        {"decel", FOFS(decel), F_FLOAT},
        !            15:        {"target", FOFS(target), F_LSTRING},
        !            16:        {"targetname", FOFS(targetname), F_LSTRING},
        !            17:        {"pathtarget", FOFS(pathtarget), F_LSTRING},
        !            18:        {"deathtarget", FOFS(deathtarget), F_LSTRING},
        !            19:        {"killtarget", FOFS(killtarget), F_LSTRING},
        !            20:        {"combattarget", FOFS(combattarget), F_LSTRING},
        !            21:        {"message", FOFS(message), F_LSTRING},
        !            22:        {"team", FOFS(team), F_LSTRING},
        !            23:        {"wait", FOFS(wait), F_FLOAT},
        !            24:        {"delay", FOFS(delay), F_FLOAT},
        !            25:        {"random", FOFS(random), F_FLOAT},
        !            26:        {"move_origin", FOFS(move_origin), F_VECTOR},
        !            27:        {"move_angles", FOFS(move_angles), F_VECTOR},
        !            28:        {"style", FOFS(style), F_INT},
        !            29:        {"count", FOFS(count), F_INT},
        !            30:        {"health", FOFS(health), F_INT},
        !            31:        {"sounds", FOFS(sounds), F_INT},
        !            32:        {"light", 0, F_IGNORE},
        !            33:        {"dmg", FOFS(dmg), F_INT},
        !            34:        {"mass", FOFS(mass), F_INT},
        !            35:        {"volume", FOFS(volume), F_FLOAT},
        !            36:        {"attenuation", FOFS(attenuation), F_FLOAT},
        !            37:        {"map", FOFS(map), F_LSTRING},
        !            38:        {"origin", FOFS(s.origin), F_VECTOR},
        !            39:        {"angles", FOFS(s.angles), F_VECTOR},
        !            40:        {"angle", FOFS(s.angles), F_ANGLEHACK},
        !            41: 
        !            42:        {"goalentity", FOFS(goalentity), F_EDICT, FFL_NOSPAWN},
        !            43:        {"movetarget", FOFS(movetarget), F_EDICT, FFL_NOSPAWN},
        !            44:        {"enemy", FOFS(enemy), F_EDICT, FFL_NOSPAWN},
        !            45:        {"oldenemy", FOFS(oldenemy), F_EDICT, FFL_NOSPAWN},
        !            46:        {"activator", FOFS(activator), F_EDICT, FFL_NOSPAWN},
        !            47:        {"groundentity", FOFS(groundentity), F_EDICT, FFL_NOSPAWN},
        !            48:        {"teamchain", FOFS(teamchain), F_EDICT, FFL_NOSPAWN},
        !            49:        {"teammaster", FOFS(teammaster), F_EDICT, FFL_NOSPAWN},
        !            50:        {"owner", FOFS(owner), F_EDICT, FFL_NOSPAWN},
        !            51:        {"mynoise", FOFS(mynoise), F_EDICT, FFL_NOSPAWN},
        !            52:        {"mynoise2", FOFS(mynoise2), F_EDICT, FFL_NOSPAWN},
        !            53:        {"target_ent", FOFS(target_ent), F_EDICT, FFL_NOSPAWN},
        !            54:        {"chain", FOFS(chain), F_EDICT, FFL_NOSPAWN},
        !            55: 
        !            56:        {"prethink", FOFS(prethink), F_FUNCTION, FFL_NOSPAWN},
        !            57:        {"think", FOFS(think), F_FUNCTION, FFL_NOSPAWN},
        !            58:        {"blocked", FOFS(blocked), F_FUNCTION, FFL_NOSPAWN},
        !            59:        {"touch", FOFS(touch), F_FUNCTION, FFL_NOSPAWN},
        !            60:        {"use", FOFS(use), F_FUNCTION, FFL_NOSPAWN},
        !            61:        {"pain", FOFS(pain), F_FUNCTION, FFL_NOSPAWN},
        !            62:        {"die", FOFS(die), F_FUNCTION, FFL_NOSPAWN},
        !            63: 
        !            64:        {"stand", FOFS(monsterinfo.stand), F_FUNCTION, FFL_NOSPAWN},
        !            65:        {"idle", FOFS(monsterinfo.idle), F_FUNCTION, FFL_NOSPAWN},
        !            66:        {"search", FOFS(monsterinfo.search), F_FUNCTION, FFL_NOSPAWN},
        !            67:        {"walk", FOFS(monsterinfo.walk), F_FUNCTION, FFL_NOSPAWN},
        !            68:        {"run", FOFS(monsterinfo.run), F_FUNCTION, FFL_NOSPAWN},
        !            69:        {"dodge", FOFS(monsterinfo.dodge), F_FUNCTION, FFL_NOSPAWN},
        !            70:        {"attack", FOFS(monsterinfo.attack), F_FUNCTION, FFL_NOSPAWN},
        !            71:        {"melee", FOFS(monsterinfo.melee), F_FUNCTION, FFL_NOSPAWN},
        !            72:        {"sight", FOFS(monsterinfo.sight), F_FUNCTION, FFL_NOSPAWN},
        !            73:        {"checkattack", FOFS(monsterinfo.checkattack), F_FUNCTION, FFL_NOSPAWN},
        !            74:        {"currentmove", FOFS(monsterinfo.currentmove), F_MMOVE, FFL_NOSPAWN},
        !            75: 
        !            76:        {"endfunc", FOFS(moveinfo.endfunc), F_FUNCTION, FFL_NOSPAWN},
        !            77: 
        !            78:        // temp spawn vars -- only valid when the spawn function is called
        !            79:        {"lip", STOFS(lip), F_INT, FFL_SPAWNTEMP},
        !            80:        {"distance", STOFS(distance), F_INT, FFL_SPAWNTEMP},
        !            81:        {"height", STOFS(height), F_INT, FFL_SPAWNTEMP},
        !            82:        {"noise", STOFS(noise), F_LSTRING, FFL_SPAWNTEMP},
        !            83:        {"pausetime", STOFS(pausetime), F_FLOAT, FFL_SPAWNTEMP},
        !            84:        {"item", STOFS(item), F_LSTRING, FFL_SPAWNTEMP},
        !            85: 
        !            86: //need for item field in edict struct, FFL_SPAWNTEMP item will be skipped on saves
        !            87:        {"item", FOFS(item), F_ITEM},
        !            88: 
        !            89:        {"gravity", STOFS(gravity), F_LSTRING, FFL_SPAWNTEMP},
        !            90:        {"sky", STOFS(sky), F_LSTRING, FFL_SPAWNTEMP},
        !            91:        {"skyrotate", STOFS(skyrotate), F_FLOAT, FFL_SPAWNTEMP},
        !            92:        {"skyaxis", STOFS(skyaxis), F_VECTOR, FFL_SPAWNTEMP},
        !            93:        {"minyaw", STOFS(minyaw), F_FLOAT, FFL_SPAWNTEMP},
        !            94:        {"maxyaw", STOFS(maxyaw), F_FLOAT, FFL_SPAWNTEMP},
        !            95:        {"minpitch", STOFS(minpitch), F_FLOAT, FFL_SPAWNTEMP},
        !            96:        {"maxpitch", STOFS(maxpitch), F_FLOAT, FFL_SPAWNTEMP},
        !            97:        {"nextmap", STOFS(nextmap), F_LSTRING, FFL_SPAWNTEMP},
        !            98: 
        !            99:        {0, 0, 0, 0}
        !           100: 
        !           101: };
        !           102: 
        !           103: field_t                levelfields[] =
        !           104: {
        !           105:        {"changemap", LLOFS(changemap), F_LSTRING},
        !           106:                    
        !           107:        {"sight_client", LLOFS(sight_client), F_EDICT},
        !           108:        {"sight_entity", LLOFS(sight_entity), F_EDICT},
        !           109:        {"sound_entity", LLOFS(sound_entity), F_EDICT},
        !           110:        {"sound2_entity", LLOFS(sound2_entity), F_EDICT},
        !           111: 
        !           112:        {NULL, 0, F_INT}
        !           113: };
        !           114: 
        !           115: field_t                clientfields[] =
        !           116: {
        !           117:        {"pers.weapon", CLOFS(pers.weapon), F_ITEM},
        !           118:        {"pers.lastweapon", CLOFS(pers.lastweapon), F_ITEM},
        !           119:        {"newweapon", CLOFS(newweapon), F_ITEM},
        !           120: 
        !           121:        {NULL, 0, F_INT}
        !           122: };
        !           123: 
        !           124: /*
        !           125: ============
        !           126: InitGame
        !           127: 
        !           128: This will be called when the dll is first loaded, which
        !           129: only happens when a new game is started or a save game
        !           130: is loaded.
        !           131: ============
        !           132: */
        !           133: void InitGame (void)
        !           134: {
        !           135:        gi.dprintf ("==== InitGame ====\n");
        !           136: 
        !           137:        gun_x = gi.cvar ("gun_x", "0", 0);
        !           138:        gun_y = gi.cvar ("gun_y", "0", 0);
        !           139:        gun_z = gi.cvar ("gun_z", "0", 0);
        !           140: 
        !           141:        //FIXME: sv_ prefix is wrong for these
        !           142:        sv_rollspeed = gi.cvar ("sv_rollspeed", "200", 0);
        !           143:        sv_rollangle = gi.cvar ("sv_rollangle", "2", 0);
        !           144:        sv_maxvelocity = gi.cvar ("sv_maxvelocity", "2000", 0);
        !           145:        sv_gravity = gi.cvar ("sv_gravity", "800", 0);
        !           146: 
        !           147:        // noset vars
        !           148:        dedicated = gi.cvar ("dedicated", "0", CVAR_NOSET);
        !           149: 
        !           150:        // latched vars
        !           151:        sv_cheats = gi.cvar ("cheats", "0", CVAR_SERVERINFO|CVAR_LATCH);
        !           152:        gi.cvar ("gamename", GAMEVERSION , CVAR_SERVERINFO | CVAR_LATCH);
        !           153:        gi.cvar ("gamedate", __DATE__ , CVAR_SERVERINFO | CVAR_LATCH);
        !           154: 
        !           155:        maxclients = gi.cvar ("maxclients", "4", CVAR_SERVERINFO | CVAR_LATCH);
        !           156:        maxspectators = gi.cvar ("maxspectators", "4", CVAR_SERVERINFO);
        !           157:        deathmatch = gi.cvar ("deathmatch", "0", CVAR_LATCH);
        !           158:        coop = gi.cvar ("coop", "0", CVAR_LATCH);
        !           159:        skill = gi.cvar ("skill", "1", CVAR_LATCH);
        !           160:        maxentities = gi.cvar ("maxentities", "1024", CVAR_LATCH);
        !           161: 
        !           162:        // change anytime vars
        !           163:        dmflags = gi.cvar ("dmflags", "0", CVAR_SERVERINFO);
        !           164:        fraglimit = gi.cvar ("fraglimit", "0", CVAR_SERVERINFO);
        !           165:        timelimit = gi.cvar ("timelimit", "0", CVAR_SERVERINFO);
        !           166:        password = gi.cvar ("password", "", CVAR_USERINFO);
        !           167:        spectator_password = gi.cvar ("spectator_password", "", 0);
        !           168:        filterban = gi.cvar ("filterban", "1", 0);
        !           169: 
        !           170:        g_select_empty = gi.cvar ("g_select_empty", "0", CVAR_ARCHIVE);
        !           171: 
        !           172:        run_pitch = gi.cvar ("run_pitch", "0.002", 0);
        !           173:        run_roll = gi.cvar ("run_roll", "0.005", 0);
        !           174:        bob_up  = gi.cvar ("bob_up", "0.005", 0);
        !           175:        bob_pitch = gi.cvar ("bob_pitch", "0.002", 0);
        !           176:        bob_roll = gi.cvar ("bob_roll", "0.002", 0);
        !           177: 
        !           178:        // flood control
        !           179:        flood_msgs = gi.cvar ("flood_msgs", "4", 0);
        !           180:        flood_persecond = gi.cvar ("flood_persecond", "4", 0);
        !           181:        flood_waitdelay = gi.cvar ("flood_waitdelay", "10", 0);
        !           182: 
        !           183:        // dm map list
        !           184:        sv_maplist = gi.cvar ("sv_maplist", "", 0);
        !           185: 
        !           186:        // items
        !           187:        InitItems ();
        !           188: 
        !           189:        Com_sprintf (game.helpmessage1, sizeof(game.helpmessage1), "");
        !           190: 
        !           191:        Com_sprintf (game.helpmessage2, sizeof(game.helpmessage2), "");
        !           192: 
        !           193:        // initialize all entities for this game
        !           194:        game.maxentities = maxentities->value;
        !           195:        g_edicts =  gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME);
        !           196:        globals.edicts = g_edicts;
        !           197:        globals.max_edicts = game.maxentities;
        !           198: 
        !           199:        // initialize all clients for this game
        !           200:        game.maxclients = maxclients->value;
        !           201:        game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME);
        !           202:        globals.num_edicts = game.maxclients+1;
        !           203: }
        !           204: 
        !           205: //=========================================================
        !           206: 
        !           207: void WriteField1 (FILE *f, field_t *field, byte *base)
        !           208: {
        !           209:        void            *p;
        !           210:        int                     len;
        !           211:        int                     index;
        !           212: 
        !           213:        if (field->flags & FFL_SPAWNTEMP)
        !           214:                return;
        !           215: 
        !           216:        p = (void *)(base + field->ofs);
        !           217:        switch (field->type)
        !           218:        {
        !           219:        case F_INT:
        !           220:        case F_FLOAT:
        !           221:        case F_ANGLEHACK:
        !           222:        case F_VECTOR:
        !           223:        case F_IGNORE:
        !           224:                break;
        !           225: 
        !           226:        case F_LSTRING:
        !           227:        case F_GSTRING:
        !           228:                if ( *(char **)p )
        !           229:                        len = strlen(*(char **)p) + 1;
        !           230:                else
        !           231:                        len = 0;
        !           232:                *(int *)p = len;
        !           233:                break;
        !           234:        case F_EDICT:
        !           235:                if ( *(edict_t **)p == NULL)
        !           236:                        index = -1;
        !           237:                else
        !           238:                        index = *(edict_t **)p - g_edicts;
        !           239:                *(int *)p = index;
        !           240:                break;
        !           241:        case F_CLIENT:
        !           242:                if ( *(gclient_t **)p == NULL)
        !           243:                        index = -1;
        !           244:                else
        !           245:                        index = *(gclient_t **)p - game.clients;
        !           246:                *(int *)p = index;
        !           247:                break;
        !           248:        case F_ITEM:
        !           249:                if ( *(edict_t **)p == NULL)
        !           250:                        index = -1;
        !           251:                else
        !           252:                        index = *(gitem_t **)p - itemlist;
        !           253:                *(int *)p = index;
        !           254:                break;
        !           255: 
        !           256:        //relative to code segment
        !           257:        case F_FUNCTION:
        !           258:                if (*(byte **)p == NULL)
        !           259:                        index = 0;
        !           260:                else
        !           261:                        index = *(byte **)p - ((byte *)InitGame);
        !           262:                *(int *)p = index;
        !           263:                break;
        !           264: 
        !           265:        //relative to data segment
        !           266:        case F_MMOVE:
        !           267:                if (*(byte **)p == NULL)
        !           268:                        index = 0;
        !           269:                else
        !           270:                        index = *(byte **)p - (byte *)&mmove_reloc;
        !           271:                *(int *)p = index;
        !           272:                break;
        !           273: 
        !           274:        default:
        !           275:                gi.error ("WriteEdict: unknown field type");
        !           276:        }
        !           277: }
        !           278: 
        !           279: 
        !           280: void WriteField2 (FILE *f, field_t *field, byte *base)
        !           281: {
        !           282:        int                     len;
        !           283:        void            *p;
        !           284: 
        !           285:        if (field->flags & FFL_SPAWNTEMP)
        !           286:                return;
        !           287: 
        !           288:        p = (void *)(base + field->ofs);
        !           289:        switch (field->type)
        !           290:        {
        !           291:        case F_LSTRING:
        !           292:                if ( *(char **)p )
        !           293:                {
        !           294:                        len = strlen(*(char **)p) + 1;
        !           295:                        fwrite (*(char **)p, len, 1, f);
        !           296:                }
        !           297:                break;
        !           298:        }
        !           299: }
        !           300: 
        !           301: void ReadField (FILE *f, field_t *field, byte *base)
        !           302: {
        !           303:        void            *p;
        !           304:        int                     len;
        !           305:        int                     index;
        !           306: 
        !           307:        if (field->flags & FFL_SPAWNTEMP)
        !           308:                return;
        !           309: 
        !           310:        p = (void *)(base + field->ofs);
        !           311:        switch (field->type)
        !           312:        {
        !           313:        case F_INT:
        !           314:        case F_FLOAT:
        !           315:        case F_ANGLEHACK:
        !           316:        case F_VECTOR:
        !           317:        case F_IGNORE:
        !           318:                break;
        !           319: 
        !           320:        case F_LSTRING:
        !           321:                len = *(int *)p;
        !           322:                if (!len)
        !           323:                        *(char **)p = NULL;
        !           324:                else
        !           325:                {
        !           326:                        *(char **)p = gi.TagMalloc (len, TAG_LEVEL);
        !           327:                        fread (*(char **)p, len, 1, f);
        !           328:                }
        !           329:                break;
        !           330:        case F_EDICT:
        !           331:                index = *(int *)p;
        !           332:                if ( index == -1 )
        !           333:                        *(edict_t **)p = NULL;
        !           334:                else
        !           335:                        *(edict_t **)p = &g_edicts[index];
        !           336:                break;
        !           337:        case F_CLIENT:
        !           338:                index = *(int *)p;
        !           339:                if ( index == -1 )
        !           340:                        *(gclient_t **)p = NULL;
        !           341:                else
        !           342:                        *(gclient_t **)p = &game.clients[index];
        !           343:                break;
        !           344:        case F_ITEM:
        !           345:                index = *(int *)p;
        !           346:                if ( index == -1 )
        !           347:                        *(gitem_t **)p = NULL;
        !           348:                else
        !           349:                        *(gitem_t **)p = &itemlist[index];
        !           350:                break;
        !           351: 
        !           352:        //relative to code segment
        !           353:        case F_FUNCTION:
        !           354:                index = *(int *)p;
        !           355:                if ( index == 0 )
        !           356:                        *(byte **)p = NULL;
        !           357:                else
        !           358:                        *(byte **)p = ((byte *)InitGame) + index;
        !           359:                break;
        !           360: 
        !           361:        //relative to data segment
        !           362:        case F_MMOVE:
        !           363:                index = *(int *)p;
        !           364:                if (index == 0)
        !           365:                        *(byte **)p = NULL;
        !           366:                else
        !           367:                        *(byte **)p = (byte *)&mmove_reloc + index;
        !           368:                break;
        !           369: 
        !           370:        default:
        !           371:                gi.error ("ReadEdict: unknown field type");
        !           372:        }
        !           373: }
        !           374: 
        !           375: //=========================================================
        !           376: 
        !           377: /*
        !           378: ==============
        !           379: WriteClient
        !           380: 
        !           381: All pointer variables (except function pointers) must be handled specially.
        !           382: ==============
        !           383: */
        !           384: void WriteClient (FILE *f, gclient_t *client)
        !           385: {
        !           386:        field_t         *field;
        !           387:        gclient_t       temp;
        !           388:        
        !           389:        // all of the ints, floats, and vectors stay as they are
        !           390:        temp = *client;
        !           391: 
        !           392:        // change the pointers to lengths or indexes
        !           393:        for (field=clientfields ; field->name ; field++)
        !           394:        {
        !           395:                WriteField1 (f, field, (byte *)&temp);
        !           396:        }
        !           397: 
        !           398:        // write the block
        !           399:        fwrite (&temp, sizeof(temp), 1, f);
        !           400: 
        !           401:        // now write any allocated data following the edict
        !           402:        for (field=clientfields ; field->name ; field++)
        !           403:        {
        !           404:                WriteField2 (f, field, (byte *)client);
        !           405:        }
        !           406: }
        !           407: 
        !           408: /*
        !           409: ==============
        !           410: ReadClient
        !           411: 
        !           412: All pointer variables (except function pointers) must be handled specially.
        !           413: ==============
        !           414: */
        !           415: void ReadClient (FILE *f, gclient_t *client)
        !           416: {
        !           417:        field_t         *field;
        !           418: 
        !           419:        fread (client, sizeof(*client), 1, f);
        !           420: 
        !           421:        for (field=clientfields ; field->name ; field++)
        !           422:        {
        !           423:                ReadField (f, field, (byte *)client);
        !           424:        }
        !           425: }
        !           426: 
        !           427: /*
        !           428: ============
        !           429: WriteGame
        !           430: 
        !           431: This will be called whenever the game goes to a new level,
        !           432: and when the user explicitly saves the game.
        !           433: 
        !           434: Game information include cross level data, like multi level
        !           435: triggers, help computer info, and all client states.
        !           436: 
        !           437: A single player death will automatically restore from the
        !           438: last save position.
        !           439: ============
        !           440: */
        !           441: void WriteGame (char *filename, qboolean autosave)
        !           442: {
        !           443:        FILE    *f;
        !           444:        int             i;
        !           445:        char    str[16];
        !           446: 
        !           447:        if (!autosave)
        !           448:                SaveClientData ();
        !           449: 
        !           450:        f = fopen (filename, "wb");
        !           451:        if (!f)
        !           452:                gi.error ("Couldn't open %s", filename);
        !           453: 
        !           454:        memset (str, 0, sizeof(str));
        !           455:        strcpy (str, __DATE__);
        !           456:        fwrite (str, sizeof(str), 1, f);
        !           457: 
        !           458:        game.autosaved = autosave;
        !           459:        fwrite (&game, sizeof(game), 1, f);
        !           460:        game.autosaved = false;
        !           461: 
        !           462:        for (i=0 ; i<game.maxclients ; i++)
        !           463:                WriteClient (f, &game.clients[i]);
        !           464: 
        !           465:        fclose (f);
        !           466: }
        !           467: 
        !           468: void ReadGame (char *filename)
        !           469: {
        !           470:        FILE    *f;
        !           471:        int             i;
        !           472:        char    str[16];
        !           473: 
        !           474:        gi.FreeTags (TAG_GAME);
        !           475: 
        !           476:        f = fopen (filename, "rb");
        !           477:        if (!f)
        !           478:                gi.error ("Couldn't open %s", filename);
        !           479: 
        !           480:        fread (str, sizeof(str), 1, f);
        !           481:        if (strcmp (str, __DATE__))
        !           482:        {
        !           483:                fclose (f);
        !           484:                gi.error ("Savegame from an older version.\n");
        !           485:        }
        !           486: 
        !           487:        g_edicts =  gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME);
        !           488:        globals.edicts = g_edicts;
        !           489: 
        !           490:        fread (&game, sizeof(game), 1, f);
        !           491:        game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME);
        !           492:        for (i=0 ; i<game.maxclients ; i++)
        !           493:                ReadClient (f, &game.clients[i]);
        !           494: 
        !           495:        fclose (f);
        !           496: }
        !           497: 
        !           498: //==========================================================
        !           499: 
        !           500: 
        !           501: /*
        !           502: ==============
        !           503: WriteEdict
        !           504: 
        !           505: All pointer variables (except function pointers) must be handled specially.
        !           506: ==============
        !           507: */
        !           508: void WriteEdict (FILE *f, edict_t *ent)
        !           509: {
        !           510:        field_t         *field;
        !           511:        edict_t         temp;
        !           512: 
        !           513:        // all of the ints, floats, and vectors stay as they are
        !           514:        temp = *ent;
        !           515: 
        !           516:        // change the pointers to lengths or indexes
        !           517:        for (field=fields ; field->name ; field++)
        !           518:        {
        !           519:                WriteField1 (f, field, (byte *)&temp);
        !           520:        }
        !           521: 
        !           522:        // write the block
        !           523:        fwrite (&temp, sizeof(temp), 1, f);
        !           524: 
        !           525:        // now write any allocated data following the edict
        !           526:        for (field=fields ; field->name ; field++)
        !           527:        {
        !           528:                WriteField2 (f, field, (byte *)ent);
        !           529:        }
        !           530: 
        !           531: }
        !           532: 
        !           533: /*
        !           534: ==============
        !           535: WriteLevelLocals
        !           536: 
        !           537: All pointer variables (except function pointers) must be handled specially.
        !           538: ==============
        !           539: */
        !           540: void WriteLevelLocals (FILE *f)
        !           541: {
        !           542:        field_t         *field;
        !           543:        level_locals_t          temp;
        !           544: 
        !           545:        // all of the ints, floats, and vectors stay as they are
        !           546:        temp = level;
        !           547: 
        !           548:        // change the pointers to lengths or indexes
        !           549:        for (field=levelfields ; field->name ; field++)
        !           550:        {
        !           551:                WriteField1 (f, field, (byte *)&temp);
        !           552:        }
        !           553: 
        !           554:        // write the block
        !           555:        fwrite (&temp, sizeof(temp), 1, f);
        !           556: 
        !           557:        // now write any allocated data following the edict
        !           558:        for (field=levelfields ; field->name ; field++)
        !           559:        {
        !           560:                WriteField2 (f, field, (byte *)&level);
        !           561:        }
        !           562: }
        !           563: 
        !           564: 
        !           565: /*
        !           566: ==============
        !           567: ReadEdict
        !           568: 
        !           569: All pointer variables (except function pointers) must be handled specially.
        !           570: ==============
        !           571: */
        !           572: void ReadEdict (FILE *f, edict_t *ent)
        !           573: {
        !           574:        field_t         *field;
        !           575: 
        !           576:        fread (ent, sizeof(*ent), 1, f);
        !           577: 
        !           578:        for (field=fields ; field->name ; field++)
        !           579:        {
        !           580:                ReadField (f, field, (byte *)ent);
        !           581:        }
        !           582: }
        !           583: 
        !           584: /*
        !           585: ==============
        !           586: ReadLevelLocals
        !           587: 
        !           588: All pointer variables (except function pointers) must be handled specially.
        !           589: ==============
        !           590: */
        !           591: void ReadLevelLocals (FILE *f)
        !           592: {
        !           593:        field_t         *field;
        !           594: 
        !           595:        fread (&level, sizeof(level), 1, f);
        !           596: 
        !           597:        for (field=levelfields ; field->name ; field++)
        !           598:        {
        !           599:                ReadField (f, field, (byte *)&level);
        !           600:        }
        !           601: }
        !           602: 
        !           603: /*
        !           604: =================
        !           605: WriteLevel
        !           606: 
        !           607: =================
        !           608: */
        !           609: void WriteLevel (char *filename)
        !           610: {
        !           611:        int             i;
        !           612:        edict_t *ent;
        !           613:        FILE    *f;
        !           614:        void    *base;
        !           615: 
        !           616:        f = fopen (filename, "wb");
        !           617:        if (!f)
        !           618:                gi.error ("Couldn't open %s", filename);
        !           619: 
        !           620:        // write out edict size for checking
        !           621:        i = sizeof(edict_t);
        !           622:        fwrite (&i, sizeof(i), 1, f);
        !           623: 
        !           624:        // write out a function pointer for checking
        !           625:        base = (void *)InitGame;
        !           626:        fwrite (&base, sizeof(base), 1, f);
        !           627: 
        !           628:        // write out level_locals_t
        !           629:        WriteLevelLocals (f);
        !           630: 
        !           631:        // write out all the entities
        !           632:        for (i=0 ; i<globals.num_edicts ; i++)
        !           633:        {
        !           634:                ent = &g_edicts[i];
        !           635:                if (!ent->inuse)
        !           636:                        continue;
        !           637:                fwrite (&i, sizeof(i), 1, f);
        !           638:                WriteEdict (f, ent);
        !           639:        }
        !           640:        i = -1;
        !           641:        fwrite (&i, sizeof(i), 1, f);
        !           642: 
        !           643:        fclose (f);
        !           644: }
        !           645: 
        !           646: 
        !           647: /*
        !           648: =================
        !           649: ReadLevel
        !           650: 
        !           651: SpawnEntities will allready have been called on the
        !           652: level the same way it was when the level was saved.
        !           653: 
        !           654: That is necessary to get the baselines
        !           655: set up identically.
        !           656: 
        !           657: The server will have cleared all of the world links before
        !           658: calling ReadLevel.
        !           659: 
        !           660: No clients are connected yet.
        !           661: =================
        !           662: */
        !           663: void ReadLevel (char *filename)
        !           664: {
        !           665:        int             entnum;
        !           666:        FILE    *f;
        !           667:        int             i;
        !           668:        void    *base;
        !           669:        edict_t *ent;
        !           670: 
        !           671:        f = fopen (filename, "rb");
        !           672:        if (!f)
        !           673:                gi.error ("Couldn't open %s", filename);
        !           674: 
        !           675:        // free any dynamic memory allocated by loading the level
        !           676:        // base state
        !           677:        gi.FreeTags (TAG_LEVEL);
        !           678: 
        !           679:        // wipe all the entities
        !           680:        memset (g_edicts, 0, game.maxentities*sizeof(g_edicts[0]));
        !           681:        globals.num_edicts = maxclients->value+1;
        !           682: 
        !           683:        // check edict size
        !           684:        fread (&i, sizeof(i), 1, f);
        !           685:        if (i != sizeof(edict_t))
        !           686:        {
        !           687:                fclose (f);
        !           688:                gi.error ("ReadLevel: mismatched edict size");
        !           689:        }
        !           690: 
        !           691:        // check function pointer base address
        !           692:        fread (&base, sizeof(base), 1, f);
        !           693: #ifdef _WIN32
        !           694:        if (base != (void *)InitGame)
        !           695:        {
        !           696:                fclose (f);
        !           697:                gi.error ("ReadLevel: function pointers have moved");
        !           698:        }
        !           699: #else
        !           700:        gi.dprintf("Function offsets %d\n", ((byte *)base) - ((byte *)InitGame));
        !           701: #endif
        !           702: 
        !           703:        // load the level locals
        !           704:        ReadLevelLocals (f);
        !           705: 
        !           706:        // load all the entities
        !           707:        while (1)
        !           708:        {
        !           709:                if (fread (&entnum, sizeof(entnum), 1, f) != 1)
        !           710:                {
        !           711:                        fclose (f);
        !           712:                        gi.error ("ReadLevel: failed to read entnum");
        !           713:                }
        !           714:                if (entnum == -1)
        !           715:                        break;
        !           716:                if (entnum >= globals.num_edicts)
        !           717:                        globals.num_edicts = entnum+1;
        !           718: 
        !           719:                ent = &g_edicts[entnum];
        !           720:                ReadEdict (f, ent);
        !           721: 
        !           722:                // let the server rebuild world links for this ent
        !           723:                memset (&ent->area, 0, sizeof(ent->area));
        !           724:                gi.linkentity (ent);
        !           725:        }
        !           726: 
        !           727:        fclose (f);
        !           728: 
        !           729:        // mark all clients as unconnected
        !           730:        for (i=0 ; i<maxclients->value ; i++)
        !           731:        {
        !           732:                ent = &g_edicts[i+1];
        !           733:                ent->client = game.clients + i;
        !           734:                ent->client->pers.connected = false;
        !           735:        }
        !           736: 
        !           737:        // do any load time things at this point
        !           738:        for (i=0 ; i<globals.num_edicts ; i++)
        !           739:        {
        !           740:                ent = &g_edicts[i];
        !           741: 
        !           742:                if (!ent->inuse)
        !           743:                        continue;
        !           744: 
        !           745:                // fire any cross-level triggers
        !           746:                if (ent->classname)
        !           747:                        if (strcmp(ent->classname, "target_crosslevel_target") == 0)
        !           748:                                ent->nextthink = level.time + ent->delay;
        !           749:        }
        !           750: }

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