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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.57 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.87 by root, Thu Apr 19 11:12:46 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * CrossFire, A Multiplayer game for X-windows
3 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4 Copyright (C) 2001 Mark Wedel 5 * Copyright (C) 2001 Mark Wedel
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (C) 1992 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version. 11 * (at your option) any later version.
11 12 *
12 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 21 *
21 The author can be reached via e-mail to <crossfire@schmorp.de> 22 * The author can be reached via e-mail to <crossfire@schmorp.de>
22*/ 23 */
23 24
24/** 25/**
25 * \file 26 * \file
26 * Client handling. 27 * Client handling.
27 * 28 *
35 * have the prototype of (char *data, int datalen, int client_num). This 36 * have the prototype of (char *data, int datalen, int client_num). This
36 * way, we can use one dispatch table. 37 * way, we can use one dispatch table.
37 * 38 *
38 * esrv_map_new starts updating the map 39 * esrv_map_new starts updating the map
39 * 40 *
40 * esrv_map_setbelow allows filling in all of the faces for the map.
41 * if a face has not already been sent to the client, it is sent now.
42 *
43 */ 41 */
44 42
45#include <global.h> 43#include <global.h>
46#include <sproto.h> 44#include <sproto.h>
47 45
100 * that much difference in bandwidth. 98 * that much difference in bandwidth.
101 */ 99 */
102 mx = ns->mapx; 100 mx = ns->mapx;
103 my = ns->mapy; 101 my = ns->mapy;
104 102
105 if (ns->mapmode == Map1aCmd)
106 {
107 mx += MAX_HEAD_OFFSET;
108 my += MAX_HEAD_OFFSET;
109 }
110
111 /* the x and y here are coordinates for the new map, i.e. if we moved 103 /* the x and y here are coordinates for the new map, i.e. if we moved
112 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 104 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
113 * if the destination x or y coordinate is outside the viewable 105 * if the destination x or y coordinate is outside the viewable
114 * area, we clear the values - otherwise, the old values 106 * area, we clear the values - otherwise, the old values
115 * are preserved, and the check_head thinks it needs to clear them. 107 * are preserved, and the check_head thinks it needs to clear them.
140static void 132static void
141clear_map (player *pl) 133clear_map (player *pl)
142{ 134{
143 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); 135 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
144 136
137 pl->ns->force_newmap = false;
138
145 if (pl->ns->newmapcmd == 1) 139 if (pl->ns->newmapcmd == 1)
146 pl->ns->send_packet ("newmap"); 140 pl->ns->send_packet ("newmap");
147 141
148 pl->ns->floorbox_reset (); 142 pl->ns->floorbox_reset ();
149} 143}
150 144
151/** check for map change and send new map data */ 145/** check for map/region change and send new map data */
152static void 146static void
153check_map_change (player *pl) 147check_map_change (player *pl)
154{ 148{
155 client &socket = *pl->ns; 149 client &socket = *pl->ns;
156 object *ob = pl->ob; 150 object *ob = pl->ob;
157 char buf[MAX_BUF]; /* eauugggh */ 151 char buf[MAX_BUF]; /* eauugggh */
158 152
159 if (socket.current_map != ob->map) 153 if (socket.current_map != ob->map || socket.force_newmap)
160 { 154 {
155 clear_map (pl);
161 socket.current_map = ob->map; 156 socket.current_map = ob->map;
162
163 clear_map (pl);
164 157
165 if (socket.mapinfocmd) 158 if (socket.mapinfocmd)
166 { 159 {
167 if (ob->map && ob->map->path[0]) 160 if (ob->map && ob->map->path[0])
168 { 161 {
200 } 193 }
201 } 194 }
202 195
203 socket.current_x = ob->x; 196 socket.current_x = ob->x;
204 socket.current_y = ob->y; 197 socket.current_y = ob->y;
198
199 region *reg = ob->region ();
200 if (socket.current_region != reg)
201 {
202 socket.current_region = reg;
203 socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname);
204 }
205} 205}
206 206
207/** 207/**
208 * RequestInfo is sort of a meta command. There is some specific 208 * RequestInfo is sort of a meta command. There is some specific
209 * request of information, but we call other functions to provide 209 * request of information, but we call other functions to provide
290 { 290 {
291 int dir = *buf++; 291 int dir = *buf++;
292 292
293 switch (dir) 293 switch (dir)
294 { 294 {
295 case '1': 295 case '1':
296 dx = 0; 296 dx = 0;
297 dy = -1; 297 dy = -1;
298 map = get_map_from_coord (map, &dx, &dy); 298 map = map->xy_find (dx, dy);
299 map && (mapy -= map->height); 299 map && (mapy -= map->height);
300 break; 300 break;
301 case '2': 301 case '2':
302 mapx += map->width; 302 mapx += map->width;
303 dx = map->width; 303 dx = map->width;
304 dy = 0; 304 dy = 0;
305 map = get_map_from_coord (map, &dx, &dy); 305 map = map->xy_find (dx, dy);
306 break; 306 break;
307 case '3': 307 case '3':
308 mapy += map->height; 308 mapy += map->height;
309 dx = 0; 309 dx = 0;
310 dy = map->height; 310 dy = map->height;
311 map = get_map_from_coord (map, &dx, &dy); 311 map = map->xy_find (dx, dy);
312 break; 312 break;
313 case '4': 313 case '4':
314 dx = -1; 314 dx = -1;
315 dy = 0; 315 dy = 0;
316 map = get_map_from_coord (map, &dx, &dy); 316 map = map->xy_find (dx, dy);
317 map && (mapx -= map->width); 317 map && (mapx -= map->width);
318 break; 318 break;
319 } 319 }
320 320
321 --max_distance; 321 --max_distance;
322 } 322 }
323 323
345 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 345 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token);
346 346
347 pl->ns->send_packet (bigbuf); 347 pl->ns->send_packet (bigbuf);
348} 348}
349 349
350/** This is the Setup cmd - easy first implementation */ 350/** This is the Setup cmd */
351void 351void
352SetUp (char *buf, int len, client * ns) 352SetUp (char *buf, int len, client * ns)
353{ 353{
354 int s, slen; 354 INVOKE_CLIENT (SETUP, ns, ARG_DATA (buf, len));
355 char *cmd, *param, cmdback[HUGE_BUF];
356
357 /* run through the cmds of setup
358 * syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
359 *
360 * we send the status of the cmd back, or a FALSE is the cmd is the server unknown
361 * The client then must sort this out
362 */
363
364 //LOG (llevInfo, "Get SetupCmd:: %s\n", buf);
365
366 strcpy (cmdback, "setup");
367 for (s = 0; s < len; )
368 {
369 cmd = &buf[s];
370
371 /* find the next space, and put a null there */
372 for (; buf[s] && buf[s] != ' '; s++)
373 ;
374
375 buf[s++] = 0;
376
377 while (buf[s] == ' ')
378 s++;
379
380 if (s >= len)
381 break;
382
383 param = &buf[s];
384
385 for (; buf[s] && buf[s] != ' '; s++)
386 ;
387
388 buf[s++] = 0;
389
390 while (buf[s] == ' ')
391 s++;
392
393 slen = strlen (cmdback);
394 safe_strcat (cmdback, " ", &slen, HUGE_BUF);
395 safe_strcat (cmdback, cmd, &slen, HUGE_BUF);
396 safe_strcat (cmdback, " ", &slen, HUGE_BUF);
397
398 if (!strcmp (cmd, "sound"))
399 {
400 ns->sound = atoi (param);
401 safe_strcat (cmdback, param, &slen, HUGE_BUF);
402 }
403 else if (!strcmp (cmd, "exp64"))
404 safe_strcat (cmdback, param, &slen, HUGE_BUF);
405 else if (!strcmp (cmd, "spellmon"))
406 {
407 ns->monitor_spells = atoi (param);
408 safe_strcat (cmdback, param, &slen, HUGE_BUF);
409 }
410 else if (!strcmp (cmd, "darkness"))
411 {
412 ns->darkness = atoi (param);
413 safe_strcat (cmdback, param, &slen, HUGE_BUF);
414 }
415 else if (!strcmp (cmd, "map1cmd"))
416 {
417 if (atoi (param))
418 ns->mapmode = Map1Cmd;
419 /* if beyond this size, need to use map1cmd no matter what */
420 if (ns->mapx > 11 || ns->mapy > 11)
421 ns->mapmode = Map1Cmd;
422 safe_strcat (cmdback, ns->mapmode == Map1Cmd ? "1" : "0", &slen, HUGE_BUF);
423 }
424 else if (!strcmp (cmd, "map1acmd"))
425 {
426 if (atoi (param))
427 ns->mapmode = Map1aCmd;
428 /* if beyond this size, need to use map1acmd no matter what */
429 if (ns->mapx > 11 || ns->mapy > 11)
430 ns->mapmode = Map1aCmd;
431 safe_strcat (cmdback, ns->mapmode == Map1aCmd ? "1" : "0", &slen, HUGE_BUF);
432 }
433 else if (!strcmp (cmd, "newmapcmd"))
434 {
435 ns->newmapcmd = atoi (param);
436 safe_strcat (cmdback, param, &slen, HUGE_BUF);
437// } else if (!strcmp(cmd,"plugincmd")) {
438// ns->plugincmd = atoi(param);
439// safe_strcat(cmdback, param, &slen, HUGE_BUF);
440 }
441 else if (!strcmp (cmd, "mapinfocmd"))
442 {
443 ns->mapinfocmd = atoi (param);
444 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
445 }
446 else if (!strcmp (cmd, "extcmd"))
447 {
448 ns->extcmd = atoi (param);
449 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
450 }
451 else if (!strcmp (cmd, "extmap"))
452 {
453 ns->extmap = atoi (param);
454 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
455 }
456 else if (!strcmp (cmd, "facecache"))
457 {
458 ns->facecache = atoi (param);
459 safe_strcat (cmdback, param, &slen, HUGE_BUF);
460 }
461 else if (!strcmp (cmd, "faceset"))
462 {
463 char tmpbuf[20];
464 int q = atoi (param);
465
466 if (is_valid_faceset (q))
467 ns->faceset = q;
468 sprintf (tmpbuf, "%d", ns->faceset);
469 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
470 /* if the client is using faceset, it knows about image2 command */
471 ns->image2 = 1;
472 }
473 else if (!strcmp (cmd, "itemcmd"))
474 {
475 /* Version of the item protocol command to use. Currently,
476 * only supported versions are 1 and 2. Using a numeric
477 * value will make it very easy to extend this in the future.
478 */
479 char tmpbuf[20];
480 int q = atoi (param);
481
482 if (q < 1 || q > 2)
483 {
484 strcpy (tmpbuf, "FALSE");
485 }
486 else
487 {
488 ns->itemcmd = q;
489 sprintf (tmpbuf, "%d", ns->itemcmd);
490 }
491 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
492 }
493 else if (!strcmp (cmd, "mapsize"))
494 {
495 int x, y = 0;
496 char tmpbuf[MAX_BUF], *cp;
497
498 x = atoi (param);
499 for (cp = param; *cp != 0; cp++)
500 if (*cp == 'x' || *cp == 'X')
501 {
502 y = atoi (cp + 1);
503 break;
504 }
505 if (x < 9 || y < 9 || x > MAP_CLIENT_X || y > MAP_CLIENT_Y)
506 {
507 sprintf (tmpbuf, " %dx%d", MAP_CLIENT_X, MAP_CLIENT_Y);
508 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
509 }
510 else
511 {
512 ns->mapx = x;
513 ns->mapy = y;
514 /* better to send back what we are really using and not the
515 * param as given to us in case it gets parsed differently.
516 */
517 sprintf (tmpbuf, "%dx%d", x, y);
518 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
519 /* If beyond this size and still using orig map command, need to
520 * go to map1cmd.
521 */
522 if ((x > 11 || y > 11) && ns->mapmode == Map0Cmd)
523 ns->mapmode = Map1Cmd;
524 }
525 }
526 else if (!strcmp (cmd, "extendedMapInfos"))
527 {
528 /* Added by tchize
529 * prepare to use the mapextended command
530 */
531 char tmpbuf[20];
532
533 ns->ext_mapinfos = (atoi (param));
534 sprintf (tmpbuf, "%d", ns->ext_mapinfos);
535 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
536 }
537 else if (!strcmp (cmd, "extendedTextInfos"))
538 {
539 /* Added by tchize
540 * prepare to use the extended text commands
541 * Client toggle this to non zero to get exttext
542 */
543 char tmpbuf[20];
544
545 ns->has_readable_type = (atoi (param));
546 sprintf (tmpbuf, "%d", ns->has_readable_type);
547 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
548 }
549 else
550 {
551 /* Didn't get a setup command we understood -
552 * report a failure to the client.
553 */
554 safe_strcat (cmdback, "FALSE", &slen, HUGE_BUF);
555 }
556 } /* for processing all the setup commands */
557
558 LOG (llevInfo, "SendBack SetupCmd:: %s\n", cmdback);
559 ns->send_packet (cmdback);
560} 355}
561 356
562/** 357/**
563 * The client has requested to be added to the game. 358 * The client has requested to be added to the game.
564 * This is what takes care of it. We tell the client how things worked out. 359 * This is what takes care of it. We tell the client how things worked out.
565 * I am not sure if this file is the best place for this function. however, 360 * I am not sure if this file is the best place for this function. however,
566 * it either has to be here or init_sockets needs to be exported. 361 * it either has to be here or init_sockets needs to be exported.
567 */ 362 */
568void 363void
569AddMeCmd (char *buf, int len, client * ns) 364AddMeCmd (char *buf, int len, client *ns)
570{ 365{
571 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 366 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
572} 367}
573 368
574/** Reply to ExtendedInfos command */ 369/** Reply to ExtendedInfos command */
686 481
687 ns->send_packet (cmdback); 482 ns->send_packet (cmdback);
688} 483}
689 484
690/** 485/**
691 * A lot like the old AskSmooth (in fact, now called by AskSmooth). 486 * client requested an image. send it rate-limited
692 * Basically, it makes no sense to wait for the client to request a 487 * before flushing.
693 * a piece of data from us that we know the client wants. So
694 * if we know the client wants it, might as well push it to the
695 * client.
696 */
697static void
698SendSmooth (client *ns, uint16 face)
699{
700 uint16 smoothface;
701
702 /* If we can't find a face, return and set it so we won't try to send this
703 * again.
704 */ 488 */
705 if ((!FindSmooth (face, &smoothface)) && (!FindSmooth (smooth_face->number, &smoothface))) 489void
706 { 490AskFaceCmd (char *buf, int len, client *ns)
707 491{
708 LOG (llevError, "could not findsmooth for %d. Neither default (%s)\n", face, &smooth_face->name); 492 ns->askface.push_back (atoi (buf));
709 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
710 return;
711 }
712
713 if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE))
714 esrv_send_face (ns, smoothface, 0);
715
716 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
717
718 packet sl ("smooth");
719
720 sl << uint16 (face)
721 << uint16 (smoothface);
722
723 ns->send_packet (sl);
724} 493}
725 494
726 /** 495/**
727 * Tells client the picture it has to use 496 * Tells client the picture it has to use
728 * to smooth a picture number given as argument. 497 * to smooth a picture number given as argument.
729 */ 498 */
730void 499void
731AskSmooth (char *buf, int len, client *ns) 500AskSmooth (char *buf, int len, client *ns)
732{ 501{
733 SendSmooth (ns, atoi (buf)); 502 ns->send_face (atoi (buf));
503 ns->flush_fx ();
734} 504}
735 505
736/** 506/**
737 * This handles the general commands from the client (ie, north, fire, cast, 507 * This handles the general commands from the client (ie, north, fire, cast,
738 * etc.) 508 * etc.)
797 * commands. 567 * commands.
798 */ 568 */
799 pl->count = 0; 569 pl->count = 0;
800 570
801 //TODO: schmorp thinks whatever this calculates, it makes no sense at all 571 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
802 int time = FABS (pl->ob->speed) < 0.001 572 int time = fabs (pl->ob->speed) < 0.001
803 ? time = MAX_TIME * 100 573 ? time = MAX_TIME * 100
804 : time = (int) (MAX_TIME / FABS (pl->ob->speed)); 574 : time = (int) (MAX_TIME / fabs (pl->ob->speed));
805 575
806 /* Send confirmation of command execution now */ 576 /* Send confirmation of command execution now */
807 packet sl ("comc"); 577 packet sl ("comc");
808 sl << uint16 (cmdid) << uint32 (time); 578 sl << uint16 (cmdid) << uint32 (time);
809 pl->ns->send_packet (sl); 579 pl->ns->send_packet (sl);
845 615
846 case ST_CHANGE_CLASS: 616 case ST_CHANGE_CLASS:
847 key_change_class (pl->ob, buf[0]); 617 key_change_class (pl->ob, buf[0]);
848 break; 618 break;
849 619
850 case ST_CONFIRM_QUIT:
851 key_confirm_quit (pl->ob, buf[0]);
852 break;
853
854 case ST_GET_PARTY_PASSWORD: /* Get password for party */ 620 case ST_GET_PARTY_PASSWORD: /* Get password for party */
855 receive_party_password (pl->ob, 13); 621 receive_party_password (pl->ob, 13);
856 break; 622 break;
857 623
858 default: 624 default:
878 644
879 ns->cs_version = atoi (buf); 645 ns->cs_version = atoi (buf);
880 ns->sc_version = ns->cs_version; 646 ns->sc_version = ns->cs_version;
881 647
882 LOG (llevDebug, "connection from client <%s>\n", buf); 648 LOG (llevDebug, "connection from client <%s>\n", buf);
883
884 649
885 //TODO: should log here just for statistics 650 //TODO: should log here just for statistics
886 651
887 //if (VERSION_CS != ns->cs_version) 652 //if (VERSION_CS != ns->cs_version)
888 // unchecked; 653 // unchecked;
968/** 733/**
969 * Asks the client to query the user. This way, the client knows 734 * Asks the client to query the user. This way, the client knows
970 * it needs to send something back (vs just printing out a message) 735 * it needs to send something back (vs just printing out a message)
971 */ 736 */
972void 737void
973send_query (client *ns, uint8 flags, char *text) 738send_query (client *ns, uint8 flags, const char *text)
974{ 739{
975 ns->send_packet_printf ("query %d %s", flags, text ? text : ""); 740 ns->send_packet_printf ("query %d %s", flags, text ? text : "");
976} 741}
977 742
978#define AddIfInt64(Old,New,Type) if (Old != New) {\ 743#define AddIfInt64(Old,New,Type) if (Old != New) {\
1010esrv_update_stats (player *pl) 775esrv_update_stats (player *pl)
1011{ 776{
1012 char buf[MAX_BUF]; 777 char buf[MAX_BUF];
1013 uint16 flags; 778 uint16 flags;
1014 779
780 client *ns = pl->ns;
1015 if (!pl->ns) 781 if (!ns)
1016 return; 782 return;
1017 783
784 object *ob = pl->ob;
785 if (!ob)
786 return;
787
1018 packet sl ("stats"); 788 packet sl ("stats");
1019 789
1020 if (pl->ob)
1021 {
1022 AddIfShort (pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP); 790 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
1023 AddIfShort (pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP); 791 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
1024 AddIfShort (pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP); 792 AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP);
1025 AddIfShort (pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP); 793 AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP);
1026 AddIfShort (pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE); 794 AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE);
1027 AddIfShort (pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE); 795 AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE);
1028 AddIfShort (pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR); 796 AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR);
1029 AddIfShort (pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX); 797 AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX);
1030 AddIfShort (pl->last_stats.Con, pl->ob->stats.Con, CS_STAT_CON); 798 AddIfShort (ns->last_stats.Con, ob->stats.Con, CS_STAT_CON);
1031 AddIfShort (pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT); 799 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
1032 AddIfShort (pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS); 800 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
1033 AddIfShort (pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW); 801 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
1034 AddIfShort (pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA); 802 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
1035 }
1036 803
1037 for (int s = 0; s < NUM_SKILLS; s++) 804 for (int s = 0; s < NUM_SKILLS; s++)
1038 if (pl->last_skill_ob[s] && pl->last_skill_exp[s] != pl->last_skill_ob[s]->stats.exp) 805 if (object *skill = pl->last_skill_ob[s])
806 if (skill->stats.exp != ns->last_skill_exp [s])
1039 { 807 {
808 ns->last_skill_exp [s] = skill->stats.exp;
809
1040 /* Always send along the level if exp changes. This is only 810 /* Always send along the level if exp changes. This is only
1041 * 1 extra byte, but keeps processing simpler. 811 * 1 extra byte, but keeps processing simpler.
1042 */ 812 */
1043 sl << uint8 (s + CS_STAT_SKILLINFO) 813 sl << uint8 (s + CS_STAT_SKILLINFO)
1044 << uint8 (pl->last_skill_ob[s]->level) 814 << uint8 (skill->level)
1045 << uint64 (pl->last_skill_ob[s]->stats.exp); 815 << uint64 (skill->stats.exp);
1046
1047 pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp;
1048 } 816 }
1049 817
1050 AddIfInt64 (pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64); 818 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
1051 AddIfShort (pl->last_level, (char) pl->ob->level, CS_STAT_LEVEL); 819 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
1052 AddIfShort (pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC); 820 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
1053 AddIfShort (pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC); 821 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
1054 AddIfShort (pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM); 822 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
1055 AddIfFloat (pl->last_speed, pl->ob->speed, CS_STAT_SPEED); 823 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED);
1056 AddIfShort (pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD); 824 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
1057 AddIfFloat (pl->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); 825 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP);
1058 AddIfInt (pl->last_weight_limit, (sint32) weight_limit[pl->ob->stats.Str], CS_STAT_WEIGHT_LIM); 826 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
827
1059 flags = 0; 828 flags = 0;
1060 829
1061 if (pl->fire_on) 830 if (pl->fire_on)
1062 flags |= SF_FIREON; 831 flags |= SF_FIREON;
1063 832
1064 if (pl->run_on) 833 if (pl->run_on)
1065 flags |= SF_RUNON; 834 flags |= SF_RUNON;
1066 835
1067 AddIfShort (pl->last_flags, flags, CS_STAT_FLAGS); 836 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
1068 837
1069 if (pl->ns->sc_version < 1025) 838 if (ns->sc_version < 1025)
1070 { AddIfShort (pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) } 839 { AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
1071 else 840 else
1072 for (int i = 0; i < NROFATTACKS; i++) 841 for (int i = 0; i < NROFATTACKS; i++)
1073 { 842 {
1074 /* Skip ones we won't send */ 843 /* Skip ones we won't send */
1075 if (atnr_cs_stat[i] == -1) 844 if (atnr_cs_stat[i] == -1)
1076 continue; 845 continue;
1077 846
1078 AddIfShort (pl->last_resist[i], pl->ob->resist[i], (char) atnr_cs_stat[i]); 847 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
1079 } 848 }
1080 849
1081 if (pl->ns->monitor_spells) 850 if (pl->ns->monitor_spells)
1082 { 851 {
1083 AddIfInt (pl->last_path_attuned, pl->ob->path_attuned, CS_STAT_SPELL_ATTUNE); 852 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
1084 AddIfInt (pl->last_path_repelled, pl->ob->path_repelled, CS_STAT_SPELL_REPEL); 853 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
1085 AddIfInt (pl->last_path_denied, pl->ob->path_denied, CS_STAT_SPELL_DENY); 854 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
1086 } 855 }
1087 856
1088 rangetostring (pl->ob, buf); /* we want use the new fire & run system in new client */ 857 rangetostring (ob, buf); /* we want use the new fire & run system in new client */
1089 AddIfString (pl->ns->stats.range, buf, CS_STAT_RANGE); 858 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1090 set_title (pl->ob, buf); 859 set_title (ob, buf);
1091 AddIfString (pl->ns->stats.title, buf, CS_STAT_TITLE); 860 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1092 861
1093 /* Only send it away if we have some actual data */ 862 /* Only send it away if we have some actual data */
1094 if (sl.length () > 6) 863 if (sl.length () > 6)
1095 pl->ns->send_packet (sl); 864 ns->send_packet (sl);
1096} 865}
1097 866
1098/** 867/**
1099 * Tells the client that here is a player it should start using. 868 * Tells the client that here is a player it should start using.
1100 */ 869 */
1101void 870void
1102esrv_new_player (player *pl, uint32 weight) 871esrv_new_player (player *pl, uint32 weight)
1103{ 872{
1104 pl->last_weight = weight;
1105
1106 packet sl ("player"); 873 packet sl ("player");
1107 874
1108 sl << uint32 (pl->ob->count) 875 sl << uint32 (pl->ob->count)
1109 << uint32 (weight) 876 << uint32 (weight)
1110 << uint32 (pl->ob->face->number) 877 << uint32 (pl->ob->face)
1111 << data8 (pl->ob->name); 878 << data8 (pl->ob->name);
1112 879
880 pl->ns->last_weight = weight;
1113 pl->ns->send_packet (sl); 881 pl->ns->send_packet (sl);
1114 SET_FLAG (pl->ob, FLAG_CLIENT_SENT); 882 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
1115} 883}
1116
1117/**
1118 * Need to send an animation sequence to the client.
1119 * We will send appropriate face commands to the client if we haven't
1120 * sent them the face yet (this can become quite costly in terms of
1121 * how much we are sending - on the other hand, this should only happen
1122 * when the player logs in and picks stuff up.
1123 */
1124void
1125esrv_send_animation (client * ns, short anim_num)
1126{
1127 /* Do some checking on the anim_num we got. Note that the animations
1128 * are added in contigous order, so if the number is in the valid
1129 * range, it must be a valid animation.
1130 */
1131 if (anim_num < 0 || anim_num > num_animations)
1132 {
1133 LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
1134 return;
1135 }
1136
1137 packet sl ("anim");
1138
1139 sl << uint16 (anim_num)
1140 << uint16 (0); /* flags - not used right now */
1141
1142 /* Build up the list of faces. Also, send any information (ie, the
1143 * the face itself) down to the client.
1144 */
1145 for (int i = 0; i < animations[anim_num].num_animations; i++)
1146 {
1147 if (!(ns->faces_sent[animations[anim_num].faces[i]] & NS_FACESENT_FACE))
1148 esrv_send_face (ns, animations[anim_num].faces[i], 0);
1149
1150 sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */
1151 }
1152
1153 ns->send_packet (sl);
1154
1155 ns->anims_sent[anim_num] = 1;
1156}
1157
1158 884
1159/****************************************************************************** 885/******************************************************************************
1160 * 886 *
1161 * Start of map related commands. 887 * Start of map related commands.
1162 * 888 *
1163 ******************************************************************************/ 889 ******************************************************************************/
1164 890
1165/**
1166 * This adds face_num to a map cell at x,y. If the client doesn't have
1167 * the face yet, we will also send it.
1168 */
1169static void
1170esrv_map_setbelow (client * ns, int x, int y, short face_num, struct Map *newmap)
1171{
1172 if (newmap->cells[x][y].count >= MAP_LAYERS)
1173 {
1174 //TODO: one or the other, can't both have abort and return, verify and act
1175 LOG (llevError, "Too many faces in map cell %d %d\n", x, y);
1176 return;
1177 abort ();
1178 }
1179
1180 newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num;
1181 newmap->cells[x][y].count++;
1182
1183 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1184 esrv_send_face (ns, face_num, 0);
1185}
1186
1187/** Clears a map cell */ 891/** Clears a map cell */
1188static void 892static void
1189map_clearcell (struct MapCell *cell, int face0, int face1, int face2, int count) 893map_clearcell (struct MapCell *cell, int count)
1190{ 894{
1191 cell->faces[0] = face0; 895 cell->faces[0] = 0;
1192 cell->faces[1] = face1; 896 cell->faces[1] = 0;
1193 cell->faces[2] = face2; 897 cell->faces[2] = 0;
898 cell->smooth[0] = 0;
899 cell->smooth[1] = 0;
900 cell->smooth[2] = 0;
1194 cell->count = count; 901 cell->count = count;
1195 cell->stat_hp = 0; 902 cell->stat_hp = 0;
1196 cell->flags = 0; 903 cell->flags = 0;
1197 cell->player = 0; 904 cell->player = 0;
1198} 905}
1199 906
1200#define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
1201#define MAX_LAYERS 3 907#define MAX_LAYERS 3
1202
1203/* Using a global really isn't a good approach, but saves the over head of
1204 * allocating and deallocating such a block of data each time run through,
1205 * and saves the space of allocating this in the socket object when we only
1206 * need it for this cycle. If the server is ever threaded, this needs to be
1207 * re-examined.
1208 */
1209static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS];
1210
1211/**
1212 * Returns true if any of the heads for this
1213 * space is set. Returns false if all are blank - this is used
1214 * for empty space checking.
1215 */
1216static inline int
1217have_head (int ax, int ay)
1218{
1219 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] ||
1220 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] || heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2])
1221 return 1;
1222
1223 return 0;
1224}
1225
1226/**
1227 * check_head is a bit simplistic version of update_space below.
1228 * basically, it only checks the that the head on space ax,ay at layer
1229 * needs to get sent - if so, it adds the data, sending the head
1230 * if needed, and returning 1. If this no data needs to get
1231 * sent, it returns zero.
1232 */
1233static int
1234check_head (packet &sl, client &ns, int ax, int ay, int layer)
1235{
1236 short face_num;
1237
1238 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer])
1239 face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number;
1240 else
1241 face_num = 0;
1242
1243 if (face_num != ns.lastmap.cells[ax][ay].faces[layer])
1244 {
1245 sl << uint16 (face_num);
1246 if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE))
1247 esrv_send_face (&ns, face_num, 0);
1248
1249 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL;
1250 ns.lastmap.cells[ax][ay].faces[layer] = face_num;
1251 return 1;
1252 }
1253
1254 return 0; /* No change */
1255}
1256 908
1257/** 909/**
1258 * Removes the need to replicate the same code for each layer. 910 * Removes the need to replicate the same code for each layer.
1259 * this returns true if this space is now in fact different than 911 * this returns true if this space is now in fact different than
1260 * it was. 912 * it was.
1261 * sl is the socklist this data is going into. 913 * sl is the socklist this data is going into.
1262 * ns is the socket we are working on - all the info we care 914 * ns is the socket we are working on - all the info we care
1263 * about is in this socket structure, so now need not pass the 915 * about is in this socket structure, so now need not pass the
1264 * entire player object. 916 * entire player object.
1265 * mx and my are map coordinate offsets for map mp
1266 * sx and sy are the offsets into the socket structure that
1267 * holds the old values.
1268 * layer is the layer to update, with 2 being the floor and 0 the 917 * layer is the layer to update, with 2 being the floor and 0 the
1269 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ) 918 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ)
1270 * take. Interesting to note that before this function, the map1 function 919 * take. Interesting to note that before this function, the map1 function
1271 * numbers the spaces differently - I think this was a leftover from 920 * numbers the spaces differently - I think this was a leftover from
1272 * the map command, where the faces stack up. Sinces that is no longer 921 * the map command, where the faces stack up. Sinces that is no longer
1273 * the case, it seems to make more sense to have these layer values 922 * the case, it seems to make more sense to have these layer values
1274 * actually match. 923 * actually match.
1275 */ 924 */
1276static int 925static int
1277update_space (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer) 926update_space (packet &sl, client &ns, mapspace &ms, MapCell &lastcell, int layer)
1278{ 927{
1279 object *ob, *head; 928 object *ob = ms.faces_obj [layer];
1280 uint16 face_num;
1281 int bx, by, i;
1282
1283 /* If there is a multipart object stored away, treat that as more important.
1284 * If not, then do the normal processing.
1285 */
1286 head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer];
1287
1288 /* Check to see if this head is part of the set of objects
1289 * we would normally send for this space. If so, then
1290 * don't use the head value. We need to do the check
1291 * here and not when setting up the heads[] value for two reasons -
1292 * 1) the heads[] values will get used even if the space is not visible.
1293 * 2) its possible the head is not on the same map as a part, and I'd
1294 * rather not need to do the map translation overhead.
1295 * 3) We need to do some extra checking to make sure that we will
1296 * otherwise send the image as this layer, eg, either it matches
1297 * the head value, or is not multipart.
1298 */
1299 if (head && !head->more)
1300 {
1301 for (i = 0; i < MAP_LAYERS; i++)
1302 {
1303 ob = GET_MAP_FACE_OBJ (mp, mx, my, i);
1304 if (!ob)
1305 continue;
1306
1307 if (ob->head)
1308 ob = ob->head;
1309
1310 if (ob == head)
1311 {
1312 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL;
1313 head = NULL;
1314 break;
1315 }
1316 }
1317 }
1318
1319 ob = head;
1320 if (!ob)
1321 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1322 929
1323 /* If there is no object for this space, or if the face for the object 930 /* If there is no object for this space, or if the face for the object
1324 * is the blank face, set the face number to zero. 931 * is the blank face, set the face number to zero.
1325 * else if we have the stored head object for this space, that takes 932 * else if we have the stored head object for this space, that takes
1326 * precedence over the other object for this space. 933 * precedence over the other object for this space.
1327 * otherwise, we do special head processing 934 * otherwise, we do special head processing
1328 */ 935 */
1329 if (!ob || ob->face == blank_face) 936 uint16 face_num = ob && ob->face != blank_face ? ob->face : 0;
1330 face_num = 0;
1331 else if (head)
1332 {
1333 /* if this is a head that had previously been stored */
1334 face_num = ob->face->number;
1335 }
1336 else
1337 {
1338 /* if the faces for the different parts of a multipart object
1339 * are the same, we only want to send the bottom right most
1340 * portion of the object. That info is in the tail_.. values
1341 * of the head. Note that for the head itself, ob->head will
1342 * be null, so we only do this block if we are working on
1343 * a tail piece.
1344 */
1345
1346 /* tail_x and tail_y will only be set in the head object. If
1347 * this is the head object and these are set, we proceed
1348 * with logic to only send bottom right. Similarly, if
1349 * this is one of the more parts but the head has those values
1350 * set, we want to do the processing. There can be cases where
1351 * the head is not visible but one of its parts is, so we just
1352 * can always expect that ob->arch->tail_x will be true for all
1353 * object we may want to display.
1354 */
1355 if ((ob->arch->tail_x || ob->arch->tail_y) || (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y)))
1356 {
1357
1358 if (ob->head)
1359 head = ob->head;
1360 else
1361 head = ob;
1362
1363 /* Basically figure out where the offset is from where we are right
1364 * now. the ob->arch->clone.{x,y} values hold the offset that this current
1365 * piece is from the head, and the tail is where the tail is from the
1366 * head. Note that bx and by will equal sx and sy if we are already working
1367 * on the bottom right corner. If ob is the head, the clone values
1368 * will be zero, so the right thing will still happen.
1369 */
1370 bx = sx + head->arch->tail_x - ob->arch->clone.x;
1371 by = sy + head->arch->tail_y - ob->arch->clone.y;
1372
1373 /* I don't think this can ever happen, but better to check for it just
1374 * in case.
1375 */
1376 if (bx < sx || by < sy)
1377 {
1378 LOG (llevError, "update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n", bx, by, sx, sy);
1379 face_num = 0;
1380 }
1381 /* single part object, multipart object with non merged faces,
1382 * of multipart object already at lower right.
1383 */
1384 else if (bx == sx && by == sy)
1385 {
1386 face_num = ob->face->number;
1387
1388 /* if this face matches one stored away, clear that one away.
1389 * this code relies on the fact that the map1 commands
1390 * goes from 2 down to 0.
1391 */
1392 for (i = 0; i < MAP_LAYERS; i++)
1393 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] &&
1394 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num)
1395 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL;
1396 }
1397 else
1398 {
1399 /* If this head is stored away, clear it - otherwise,
1400 * there can be cases where a object is on multiple layers -
1401 * we only want to send it once.
1402 */
1403 face_num = head->face->number;
1404 for (i = 0; i < MAP_LAYERS; i++)
1405 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] &&
1406 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num)
1407 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL;
1408
1409 /* First, try to put the new head on the same layer. If that is used up,
1410 * then find another layer.
1411 */
1412 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL)
1413 {
1414 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head;
1415 }
1416 else
1417 for (i = 0; i < MAX_LAYERS; i++)
1418 {
1419 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL ||
1420 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head)
1421 {
1422 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head;
1423 }
1424 }
1425 face_num = 0; /* Don't send this object - we'll send the head later */
1426 }
1427 }
1428 else
1429 {
1430 /* In this case, we are already at the lower right or single part object,
1431 * so nothing special
1432 */
1433 face_num = ob->face->number;
1434
1435 /* clear out any head entries that have the same face as this one */
1436 for (bx = 0; bx < layer; bx++)
1437 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] &&
1438 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num)
1439 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL;
1440 }
1441 } /* else not already head object or blank face */
1442
1443 /* This is a real hack. Basically, if we have nothing to send for this layer,
1444 * but there is a head on the next layer, send that instead.
1445 * Without this, what happens is you can get the case where the player stands
1446 * on the same space as the head. However, if you have overlapping big objects
1447 * of the same type, what happens then is it doesn't think it needs to send
1448 * This tends to make stacking also work/look better.
1449 */
1450 if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1])
1451 {
1452 face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]->face->number;
1453 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1] = NULL;
1454 }
1455
1456 /* Another hack - because of heads and whatnot, this face may match one
1457 * we already sent for a lower layer. In that case, don't send
1458 * this one.
1459 */
1460 if (face_num && layer + 1 < MAP_LAYERS && ns.lastmap.cells[sx][sy].faces[layer + 1] == face_num)
1461 face_num = 0;
1462 937
1463 /* We've gotten what face we want to use for the object. Now see if 938 /* We've gotten what face we want to use for the object. Now see if
1464 * if it has changed since we last sent it to the client. 939 * if it has changed since we last sent it to the client.
1465 */ 940 */
1466 if (ns.lastmap.cells[sx][sy].faces[layer] != face_num) 941 if (lastcell.faces[layer] != face_num)
1467 { 942 {
1468 ns.lastmap.cells[sx][sy].faces[layer] = face_num; 943 lastcell.faces[layer] = face_num;
944
1469 if (!(ns.faces_sent[face_num] & NS_FACESENT_FACE)) 945 if (!ns.faces_sent[face_num])
946 if (ob)
947 ns.send_faces (ob);
948 else
1470 esrv_send_face (&ns, face_num, 0); 949 ns.send_face (face_num);
1471 950
1472 sl << uint16 (face_num); 951 sl << uint16 (face_num);
1473 return 1;
1474 }
1475
1476 /* Nothing changed */
1477 return 0;
1478}
1479
1480/**
1481 * This function is mainly a copy of update_space,
1482 * except it handles update of the smoothing updates,
1483 * not the face updates.
1484 * Removes the need to replicate the same code for each layer.
1485 * this returns true if this smooth is now in fact different
1486 * than it was.
1487 * sl is the socklist this data is going into.
1488 * ns is the socket we are working on - all the info we care
1489 * about is in this socket structure, so know need to pass the
1490 * entire player object.
1491 * mx and my are map coordinate offsets for map mp
1492 * sx and sy are the offsets into the socket structure that
1493 * holds the old values.
1494 * layer is the layer to update, with 2 being the floor and 0 the
1495 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ
1496 * take.
1497 */
1498
1499static inline int
1500update_smooth (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer)
1501{
1502 object *ob;
1503 int smoothlevel; /* old face_num; */
1504
1505 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1506
1507 /* If there is no object for this space, or if the face for the object
1508 * is the blank face, set the smoothlevel to zero.
1509 */
1510 if (!ob || ob->face == blank_face)
1511 smoothlevel = 0;
1512 else
1513 {
1514 smoothlevel = ob->smoothlevel;
1515 if (smoothlevel && !(ns.faces_sent[ob->face->number] & NS_FACESENT_SMOOTH))
1516 SendSmooth (&ns, ob->face->number);
1517 } /* else not already head object or blank face */
1518
1519 /* We've gotten what face we want to use for the object. Now see if
1520 * if it has changed since we last sent it to the client.
1521 */
1522 if (smoothlevel > 255)
1523 smoothlevel = 255;
1524 else if (smoothlevel < 0)
1525 smoothlevel = 0;
1526
1527 if (ns.lastmap.cells[sx][sy].smooth[layer] != smoothlevel)
1528 {
1529 ns.lastmap.cells[sx][sy].smooth[layer] = smoothlevel;
1530 sl << uint8 (smoothlevel);
1531 return 1; 952 return 1;
1532 } 953 }
1533 954
1534 /* Nothing changed */ 955 /* Nothing changed */
1535 return 0; 956 return 0;
1550 if (ns->EMI_smooth) 971 if (ns->EMI_smooth)
1551 result += 1; /*One byte for smoothlevel */ 972 result += 1; /*One byte for smoothlevel */
1552 } 973 }
1553 974
1554 return result; 975 return result;
976}
977
978// prefetch (and touch) all maps within a specific distancd
979static void
980prefetch_surrounding_maps (maptile *map, int distance)
981{
982 map->last_access = runtime;
983
984 if (--distance)
985 for (int dir = 4; --dir; )
986 if (const shstr &path = map->tile_path [dir])
987 if (maptile *&neigh = map->tile_map [dir])
988 prefetch_surrounding_maps (neigh, distance);
989 else
990 neigh = maptile::find_async (path, map);
991}
992
993// prefetch a generous area around the player
994static void
995prefetch_surrounding_maps (object *op)
996{
997 prefetch_surrounding_maps (op->map, 3);
1555} 998}
1556 999
1557/** 1000/**
1558 * This function uses the new map1 protocol command to send the map 1001 * This function uses the new map1 protocol command to send the map
1559 * to the client. It is necessary because the old map command supports 1002 * to the client. It is necessary because the old map command supports
1577 * look like. 1020 * look like.
1578 */ 1021 */
1579void 1022void
1580draw_client_map1 (object *pl) 1023draw_client_map1 (object *pl)
1581{ 1024{
1582 int x, y, ax, ay, d, startlen, max_x, max_y, oldlen; 1025 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1583 sint16 nx, ny; 1026 sint16 nx, ny;
1584 int estartlen, eoldlen; 1027 int estartlen, eoldlen;
1585 uint16 mask, emask;
1586 uint8 eentrysize; 1028 uint8 eentrysize;
1587 uint16 ewhatstart, ewhatflag; 1029 uint16 ewhatstart, ewhatflag;
1588 uint8 extendedinfos; 1030 uint8 extendedinfos;
1589 maptile *m; 1031 maptile *m;
1590 1032
1591 client &socket = *pl->contr->ns; 1033 client &socket = *pl->contr->ns;
1592 1034
1035 if (!pl->active)
1036 return;
1037
1593 check_map_change (pl->contr); 1038 check_map_change (pl->contr);
1039 prefetch_surrounding_maps (pl);
1594 1040
1595 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1041 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1596 packet esl; 1042 packet esl;
1597 1043
1598 startlen = sl.length (); 1044 startlen = sl.length ();
1613 << uint8 (extendedinfos) 1059 << uint8 (extendedinfos)
1614 << uint8 (eentrysize); 1060 << uint8 (eentrysize);
1615 1061
1616 estartlen = esl.length (); 1062 estartlen = esl.length ();
1617 } 1063 }
1618 else
1619 {
1620 /* suppress compiler warnings */
1621 ewhatstart = 0;
1622 ewhatflag = 0;
1623 estartlen = 0;
1624 }
1625
1626 /* Init data to zero */
1627 memset (heads, 0, sizeof (object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS);
1628 1064
1629 /* x,y are the real map locations. ax, ay are viewport relative 1065 /* x,y are the real map locations. ax, ay are viewport relative
1630 * locations. 1066 * locations.
1631 */ 1067 */
1632 ay = 0; 1068 ay = 0;
1635 * but that started to get a bit messy to look at. 1071 * but that started to get a bit messy to look at.
1636 */ 1072 */
1637 max_x = pl->x + (socket.mapx + 1) / 2; 1073 max_x = pl->x + (socket.mapx + 1) / 2;
1638 max_y = pl->y + (socket.mapy + 1) / 2; 1074 max_y = pl->y + (socket.mapy + 1) / 2;
1639 1075
1640 if (socket.mapmode == Map1aCmd) 1076 maptile *plmap = pl->map;
1641 {
1642 max_x += MAX_HEAD_OFFSET;
1643 max_y += MAX_HEAD_OFFSET;
1644 }
1645 1077
1646 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++) 1078 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++)
1647 { 1079 {
1648 ax = 0; 1080 ax = 0;
1649 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++) 1081 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++)
1650 { 1082 {
1083 int emask, mask;
1651 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; 1084 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1652 1085
1653 /* If this space is out of the normal viewable area, we only check
1654 * the heads value ax or ay will only be greater than what
1655 * the client wants if using the map1a command - this is because
1656 * if the map1a command is not used, max_x and max_y will be
1657 * set to lower values.
1658 */
1659 if (ax >= socket.mapx || ay >= socket.mapy)
1660 {
1661 int i, got_one;
1662
1663 oldlen = sl.length ();
1664
1665 sl << uint16 (mask);
1666
1667 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1668 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1669 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1670
1671 /* If all we are doing is sending 0 (blank) faces, we don't
1672 * actually need to send that - just the coordinates
1673 * with no faces tells the client to blank out the
1674 * space.
1675 */
1676 got_one = 0;
1677 for (i = oldlen + 2; i < sl.length (); i++)
1678 if (sl[i])
1679 got_one = 1;
1680
1681 if (got_one && (mask & 0xf))
1682 sl[oldlen + 1] = mask & 0xff;
1683 else
1684 { /*either all faces blank, either no face at all */
1685 if (mask & 0xf) /*at least 1 face, we know it's blank, only send coordinates */
1686 sl.reset (oldlen + 2);
1687 else
1688 sl.reset (oldlen);
1689 }
1690
1691 /*What concerns extendinfos, nothing to be done for now
1692 * (perhaps effects layer later)
1693 */
1694 continue; /* don't do processing below */
1695 }
1696
1697 MapCell &lastcell = socket.lastmap.cells[ax][ay]; 1086 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1698
1699 d = pl->contr->blocked_los[ax][ay];
1700 1087
1701 /* If the coordinates are not valid, or it is too dark to see, 1088 /* If the coordinates are not valid, or it is too dark to see,
1702 * we tell the client as such 1089 * we tell the client as such
1703 */ 1090 */
1704 nx = x; 1091 nx = x;
1705 ny = y; 1092 ny = y;
1706 m = get_map_from_coord (pl->map, &nx, &ny); 1093 m = get_map_from_coord (plmap, &nx, &ny);
1707 1094
1708 if (!m) 1095 if (!m)
1709 { 1096 {
1710 /* space is out of map. Update space and clear values 1097 /* space is out of map. Update space and clear values
1711 * if this hasn't already been done. If the space is out 1098 * if this hasn't already been done. If the space is out
1712 * of the map, it shouldn't have a head 1099 * of the map, it shouldn't have a head
1713 */ 1100 */
1714 if (lastcell.count != -1) 1101 if (lastcell.count != -1)
1715 { 1102 {
1716 sl << uint16 (mask); 1103 sl << uint16 (mask);
1717 map_clearcell (&lastcell, 0, 0, 0, -1); 1104 map_clearcell (&lastcell, -1);
1718 } 1105 }
1106
1107 continue;
1719 } 1108 }
1109
1110 m->touch ();
1111
1112 int d = pl->contr->blocked_los[ax][ay];
1113
1720 else if (d > 3) 1114 if (d > 3)
1721 { 1115 {
1722 m->touch ();
1723 1116
1724 int need_send = 0, count; 1117 int need_send = 0, count;
1725 1118
1726 /* This block deals with spaces that are not visible for whatever 1119 /* This block deals with spaces that are not visible for whatever
1727 * reason. Still may need to send the head for this space. 1120 * reason. Still may need to send the head for this space.
1728 */ 1121 */
1729 1122
1730 oldlen = sl.length (); 1123 oldlen = sl.length ();
1731 1124
1732 sl << uint16 (mask); 1125 sl << uint16 (mask);
1734 if (lastcell.count != -1) 1127 if (lastcell.count != -1)
1735 need_send = 1; 1128 need_send = 1;
1736 1129
1737 count = -1; 1130 count = -1;
1738 1131
1739 if (socket.mapmode == Map1aCmd && have_head (ax, ay))
1740 {
1741 /* Now check to see if any heads need to be sent */
1742
1743 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1744 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1745 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1746
1747 lastcell.count = count;
1748 }
1749 else
1750 {
1751 /* properly clear a previously sent big face */ 1132 /* properly clear a previously sent big face */
1752 if (lastcell.faces[0] != 0 || lastcell.faces[1] != 0 || lastcell.faces[2] != 0 1133 if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1753 || lastcell.stat_hp || lastcell.flags || lastcell.player) 1134 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1754 need_send = 1; 1135 need_send = 1;
1755 1136
1756 map_clearcell (&lastcell, 0, 0, 0, count); 1137 map_clearcell (&lastcell, count);
1757 }
1758 1138
1759 if ((mask & 0xf) || need_send) 1139 if ((mask & 0xf) || need_send)
1760 sl[oldlen + 1] = mask & 0xff; 1140 sl[oldlen + 1] = mask & 0xff;
1761 else 1141 else
1762 sl.reset (oldlen); 1142 sl.reset (oldlen);
1763 } 1143 }
1764 else 1144 else
1765 { 1145 {
1766 m->touch ();
1767
1768 /* In this block, the space is visible or there are head objects 1146 /* In this block, the space is visible.
1769 * we need to send.
1770 */ 1147 */
1771 1148
1772 /* Rather than try to figure out what everything that we might 1149 /* Rather than try to figure out what everything that we might
1773 * need to send is, then form the packet after that, 1150 * need to send is, then form the packet after that,
1774 * we presume that we will in fact form a packet, and update 1151 * we presume that we will in fact form a packet, and update
1777 * is done. 1154 * is done.
1778 * I think this is simpler than doing a bunch of checks to see 1155 * I think this is simpler than doing a bunch of checks to see
1779 * what if anything we need to send, setting the bits, then 1156 * what if anything we need to send, setting the bits, then
1780 * doing those checks again to add the real data. 1157 * doing those checks again to add the real data.
1781 */ 1158 */
1782 oldlen = sl.length (); 1159 oldlen = sl.length ();
1783 mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1784 eoldlen = esl.length (); 1160 eoldlen = esl.length ();
1785 emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; 1161
1786 sl << uint16 (mask); 1162 sl << uint16 (mask);
1787
1788 if (socket.ext_mapinfos)
1789 esl << uint16 (emask);
1790 1163
1791 unsigned char dummy; 1164 unsigned char dummy;
1792 unsigned char *last_ext = &dummy; 1165 unsigned char *last_ext = &dummy;
1793 1166
1794 /* Darkness changed */ 1167 /* Darkness changed */
1806 sl << uint8 (255 - 64 * d); 1179 sl << uint8 (255 - 64 * d);
1807 } 1180 }
1808 1181
1809 lastcell.count = d; 1182 lastcell.count = d;
1810 1183
1184 mapspace &ms = m->at (nx, ny);
1185
1811 if (socket.extmap) 1186 if (socket.extmap)
1812 { 1187 {
1813 uint8 stat_hp = 0; 1188 uint8 stat_hp = 0;
1814 uint8 stat_width = 0; 1189 uint8 stat_width = 0;
1815 uint8 flags = 0; 1190 uint8 flags = 0;
1816 UUID player = 0; 1191 tag_t player = 0;
1817 1192
1818 // send hp information, if applicable 1193 // send hp information, if applicable
1819 if (object *op = GET_MAP_FACE_OBJ (m, nx, ny, 0)) 1194 if (object *op = ms.faces_obj [0])
1820 { 1195 {
1821 if (op->head || op->invisible) 1196 if (op->head || op->invisible)
1822 ; // do not show 1197 ; // do not show
1823 else if (op->type == PLAYER 1198 else if (op->type == PLAYER
1824 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR)) 1199 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1862 1237
1863 mask |= 0x8; 1238 mask |= 0x8;
1864 *last_ext |= 0x80; 1239 *last_ext |= 0x80;
1865 last_ext = &sl[sl.length ()]; 1240 last_ext = &sl[sl.length ()];
1866 1241
1867 sl << uint8 (0x47) << uint8 (8) << (uint64)player; 1242 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1868 } 1243 }
1869 1244
1870 if (lastcell.flags != flags) 1245 if (lastcell.flags != flags)
1871 { 1246 {
1872 lastcell.flags = flags; 1247 lastcell.flags = flags;
1878 sl << uint8 (8) << uint8 (flags); 1253 sl << uint8 (8) << uint8 (flags);
1879 } 1254 }
1880 } 1255 }
1881 1256
1882 /* Floor face */ 1257 /* Floor face */
1883 if (update_space (sl, socket, m, nx, ny, ax, ay, 2)) 1258 if (update_space (sl, socket, ms, lastcell, 2))
1884 mask |= 0x4; 1259 mask |= 0x4;
1885 1260
1886 if (socket.EMI_smooth)
1887 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 2))
1888 emask |= 0x4;
1889
1890 /* Middle face */ 1261 /* Middle face */
1891 if (update_space (sl, socket, m, nx, ny, ax, ay, 1)) 1262 if (update_space (sl, socket, ms, lastcell, 1))
1892 mask |= 0x2; 1263 mask |= 0x2;
1893 1264
1894 if (socket.EMI_smooth) 1265 if (ms.player () == pl
1895 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 1)) 1266 && (pl->invisible & (pl->invisible < 50 ? 1 : 7)))
1896 emask |= 0x2;
1897
1898 if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1))
1899 { 1267 {
1268 // force player to be visible to himself if invisible
1900 if (lastcell.faces[0] != pl->face->number) 1269 if (lastcell.faces[0] != pl->face)
1901 { 1270 {
1902 lastcell.faces[0] = pl->face->number; 1271 lastcell.faces[0] = pl->face;
1272
1903 mask |= 0x1; 1273 mask |= 0x1;
1904
1905 if (!(socket.faces_sent[pl->face->number] & NS_FACESENT_FACE))
1906 esrv_send_face (&socket, pl->face->number, 0);
1907
1908 sl << uint16 (pl->face->number); 1274 sl << uint16 (pl->face);
1275
1276 socket.send_faces (pl);
1909 } 1277 }
1910 } 1278 }
1911 else
1912 {
1913 /* Top face */ 1279 /* Top face */
1914 if (update_space (sl, socket, m, nx, ny, ax, ay, 0)) 1280 else if (update_space (sl, socket, ms, lastcell, 0))
1915 mask |= 0x1; 1281 mask |= 0x1;
1916
1917 if (socket.EMI_smooth)
1918 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 0))
1919 emask |= 0x1;
1920 } 1282
1921 1283
1922 /* Check to see if we are in fact sending anything for this 1284 /* Check to see if we are in fact sending anything for this
1923 * space by checking the mask. If so, update the mask. 1285 * space by checking the mask. If so, update the mask.
1924 * if not, reset the len to that from before adding the mask 1286 * if not, reset the len to that from before adding the mask
1925 * value, so we don't send those bits. 1287 * value, so we don't send those bits.
1927 if (mask & 0xf) 1289 if (mask & 0xf)
1928 sl[oldlen + 1] = mask & 0xff; 1290 sl[oldlen + 1] = mask & 0xff;
1929 else 1291 else
1930 sl.reset (oldlen); 1292 sl.reset (oldlen);
1931 1293
1294 if (socket.ext_mapinfos)
1295 esl << uint16 (emask);
1296
1297 if (socket.EMI_smooth)
1298 {
1299 for (int layer = 2+1; layer--; )
1300 {
1301 object *ob = ms.faces_obj [layer];
1302
1303 // If there is no object for this space, or if the face for the object
1304 // is the blank face, set the smoothlevel to zero.
1305 int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1306
1307 // We've gotten what face we want to use for the object. Now see if
1308 // if it has changed since we last sent it to the client.
1309 if (lastcell.smooth[layer] != smoothlevel)
1310 {
1311 lastcell.smooth[layer] = smoothlevel;
1312 esl << uint8 (smoothlevel);
1313 emask |= 1 << layer;
1314 }
1315 }
1316
1932 if (emask & 0xf) 1317 if (emask & 0xf)
1933 esl[eoldlen + 1] = emask & 0xff; 1318 esl[eoldlen + 1] = emask & 0xff;
1934 else 1319 else
1935 esl.reset (eoldlen); 1320 esl.reset (eoldlen);
1321 }
1936 } /* else this is a viewable space */ 1322 } /* else this is a viewable space */
1937 } /* for x loop */ 1323 } /* for x loop */
1938 } /* for y loop */ 1324 } /* for y loop */
1325
1326 socket.flush_fx ();
1939 1327
1940 /* Verify that we in fact do need to send this */ 1328 /* Verify that we in fact do need to send this */
1941 if (socket.ext_mapinfos) 1329 if (socket.ext_mapinfos)
1942 { 1330 {
1943 if (!(sl.length () > startlen || socket.sent_scroll)) 1331 if (!(sl.length () > startlen || socket.sent_scroll))
1944 { 1332 {
1945 /* No map data will follow, so don't say the client 1333 /* No map data will follow, so don't say the client
1946 * it doesn't need draw! 1334 * it doesn't need draw!
1947 */ 1335 */
1948 ewhatflag &= (~EMI_NOREDRAW); 1336 ewhatflag &= ~EMI_NOREDRAW;
1949 esl[ewhatstart + 1] = ewhatflag & 0xff; 1337 esl[ewhatstart + 1] = ewhatflag & 0xff;
1950 } 1338 }
1951 1339
1952 if (esl.length () > estartlen) 1340 if (esl.length () > estartlen)
1953 socket.send_packet (esl); 1341 socket.send_packet (esl);
1965 */ 1353 */
1966void 1354void
1967draw_client_map (object *pl) 1355draw_client_map (object *pl)
1968{ 1356{
1969 int i, j; 1357 int i, j;
1970 sint16 ax, ay, nx, ny; /* ax and ay goes from 0 to max-size of arrays */ 1358 sint16 ax, ay; /* ax and ay goes from 0 to max-size of arrays */
1971 New_Face *face, *floor;
1972 New_Face *floor2;
1973 int d, mflags; 1359 int mflags;
1974 struct Map newmap; 1360 struct Map newmap;
1975 maptile *m, *pm; 1361 maptile *m, *pm;
1976 1362
1977 if (pl->type != PLAYER) 1363 if (pl->type != PLAYER)
1978 { 1364 {
2159 1545
2160/* appends the spell *spell to the Socklist we will send the data to. */ 1546/* appends the spell *spell to the Socklist we will send the data to. */
2161static void 1547static void
2162append_spell (player *pl, packet &sl, object *spell) 1548append_spell (player *pl, packet &sl, object *spell)
2163{ 1549{
2164 int len, i, skill = 0; 1550 int i, skill = 0;
2165 1551
2166 if (!(spell->name)) 1552 if (!(spell->name))
2167 { 1553 {
2168 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1554 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
2169 return; 1555 return;
2181 if (!strcmp (spell->skill, skill_names[i])) 1567 if (!strcmp (spell->skill, skill_names[i]))
2182 { 1568 {
2183 skill = i + CS_STAT_SKILLINFO; 1569 skill = i + CS_STAT_SKILLINFO;
2184 break; 1570 break;
2185 } 1571 }
1572 }
1573
1574 // spells better have a face
1575 if (!spell->face)
1576 {
1577 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1578 spell->face = face_find ("burnout.x11", blank_face);
2186 } 1579 }
2187 1580
2188 /* send the current values */ 1581 /* send the current values */
2189 sl << uint32 (spell->count) 1582 sl << uint32 (spell->count)
2190 << uint16 (spell->level) 1583 << uint16 (spell->level)
2192 << uint16 (spell->last_sp) 1585 << uint16 (spell->last_sp)
2193 << uint16 (spell->last_grace) 1586 << uint16 (spell->last_grace)
2194 << uint16 (spell->last_eat) 1587 << uint16 (spell->last_eat)
2195 << uint8 (skill) 1588 << uint8 (skill)
2196 << uint32 (spell->path_attuned) 1589 << uint32 (spell->path_attuned)
2197 << uint32 (spell->face ? spell->face->number : 0) 1590 << uint32 (spell->face)
2198 << data8 (spell->name) 1591 << data8 (spell->name)
2199 << data16 (spell->msg); 1592 << data16 (spell->msg);
2200} 1593}
2201 1594
2202/** 1595/**
2217 1610
2218 packet sl ("addspell"); 1611 packet sl ("addspell");
2219 1612
2220 if (!spell) 1613 if (!spell)
2221 { 1614 {
2222 for (spell = pl->ob->inv; spell != NULL; spell = spell->below) 1615 for (spell = pl->ob->inv; spell; spell = spell->below)
2223 { 1616 {
2224 /* were we to simply keep appending data here, we could exceed 1617 /* were we to simply keep appending data here, we could exceed
2225 * MAXSOCKBUF if the player has enough spells to add, we know that 1618 * MAXSOCKBUF if the player has enough spells to add, we know that
2226 * append_spells will always append 19 data bytes, plus 4 length 1619 * append_spells will always append 19 data bytes, plus 4 length
2227 * bytes and 3 strings (because that is the spec) so we need to 1620 * bytes and 3 strings (because that is the spec) so we need to

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