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Comparing deliantra/server/socket/item.C (file contents):
Revision 1.28 by root, Wed Dec 20 09:14:22 2006 UTC vs.
Revision 1.40 by pippijn, Thu Mar 1 12:28:17 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) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team
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/server logic. 27 * Client/server logic.
27 * 28 *
28 * \date 2003-12-02 29 * \date 2003-12-02
29 * 30 *
30 * This containes item logic for client/server. It doesn't contain 31 * This contains item logic for client/server. It doesn't contain
31 * the actual commands that send the data, but does contain 32 * the actual commands that send the data, but does contain
32 * the logic for what items should be sent. 33 * the logic for what items should be sent.
33 */ 34 */
34 35
35#include <global.h> 36#include <global.h>
36#include <object.h> /* LOOK_OBJ */ 37#include <object.h>
37#include <sproto.h> 38#include <sproto.h>
38 39
39/** This is the maximum number of bytes we expect any one item to take up */ 40/** This is the maximum number of bytes we expect any one item to take up */
40#define MAXITEMLEN 300 41#define MAXITEMLEN 300
41 42
… …
303 { 304 {
304 if (head->anim_speed) 305 if (head->anim_speed)
305 anim_speed = head->anim_speed; 306 anim_speed = head->anim_speed;
306 else 307 else
307 { 308 {
308 if (FABS (head->speed) < 0.001) 309 if (fabs (head->speed) < 0.001)
309 anim_speed = 255; 310 anim_speed = 255;
310 else if (FABS (head->speed) >= 1.0) 311 else if (fabs (head->speed) >= 1.0)
311 anim_speed = 1; 312 anim_speed = 1;
312 else 313 else
313 anim_speed = (int) (1.0 / FABS (head->speed)); 314 anim_speed = (int) (1.0 / fabs (head->speed));
314 } 315 }
315 316
316 if (anim_speed > 255) 317 if (anim_speed > 255)
317 anim_speed = 255; 318 anim_speed = 255;
318 } 319 }
… …
323 if (ns.itemcmd == 2) 324 if (ns.itemcmd == 2)
324 sl << uint16 (head->client_type); 325 sl << uint16 (head->client_type);
325 326
326 SET_FLAG (head, FLAG_CLIENT_SENT); 327 SET_FLAG (head, FLAG_CLIENT_SENT);
327} 328}
328
329 329
330/** 330/**
331 * Send the look window. Don't need to do animations here 331 * Send the look window. Don't need to do animations here
332 * This sends all the faces to the client, not just updates. This is 332 * This sends all the faces to the client, not just updates. This is
333 * because object ordering would otherwise be inconsistent. 333 * because object ordering would otherwise be inconsistent.
334 */ 334 */
335void 335void
336esrv_draw_look (object *pl) 336esrv_draw_look (object *pl)
337{ 337{
338 object *tmp, *last;
339 int got_one = 0, start_look = 0, end_look = 0; 338 int got_one = 0, start_look = 0, end_look = 0;
340 char buf[MAX_BUF];
341 339
342 if (!pl->contr->socket->update_look) 340 if (!pl->contr->ns->update_look)
343 { 341 {
344 LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); 342 LOG (llevDebug, "esrv_draw_look called when update_look was not set (player %s)\n", &pl->name);
345 return; 343 return;
346 } 344 }
347 else 345 else
348 pl->contr->socket->update_look = 0; 346 pl->contr->ns->update_look = 0;
349 347
350 if (QUERY_FLAG (pl, FLAG_REMOVED) 348 if (QUERY_FLAG (pl, FLAG_REMOVED)
351 || !pl->map 349 || !pl->map
352 || pl->map->in_memory != MAP_IN_MEMORY 350 || pl->map->in_memory != MAP_IN_MEMORY
353 || out_of_map (pl->map, pl->x, pl->y)) 351 || out_of_map (pl->map, pl->x, pl->y))
354 return; 352 return;
355 353
356 for (tmp = GET_MAP_OB (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above)
357 ;
358
359 pl->contr->socket->send_packet ("delinv 0"); 354 pl->contr->ns->send_packet ("delinv 0");
360 355
361 packet sl; 356 packet sl;
362 sl.printf ("item%d ", pl->contr->socket->itemcmd); 357 sl.printf ("item%d ", pl->contr->ns->itemcmd);
363 358
364 sl << uint32 (0); 359 sl << uint32 (0);
365 360
366 if (!(pl->contr->socket->faces_sent[empty_face->number] & NS_FACESENT_FACE)) 361 if (!(pl->contr->ns->faces_sent[empty_face->number] & NS_FACESENT_FACE))
367 esrv_send_face (pl->contr->socket, empty_face->number, 0); 362 esrv_send_face (pl->contr->ns, empty_face->number, 0);
368 363
369 if (pl->contr->socket->look_position) 364 if (pl->contr->ns->look_position)
370 { 365 {
371 char buf[80]; 366 char buf[80];
372 snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE); 367 snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE);
373 368
374 sl << uint32 (0x80000000 | (pl->contr->socket->look_position - FLOORBOX_PAGESIZE)) 369 sl << uint32 (0x80000000 | (pl->contr->ns->look_position - FLOORBOX_PAGESIZE))
375 << uint32 (0) 370 << uint32 (0)
376 << sint32 (-1) 371 << sint32 (-1)
377 << uint32 (empty_face->number) 372 << uint32 (empty_face->number)
378 << data8 (buf) 373 << data8 (buf)
379 << uint16 (0) 374 << uint16 (0)
380 << uint8 (0) 375 << uint8 (0)
381 << uint32 (0); 376 << uint32 (0);
382 377
383 if (pl->contr->socket->itemcmd == 2) 378 if (pl->contr->ns->itemcmd == 2)
384 sl << uint16 (0); 379 sl << uint16 (0);
385 } 380 }
386 381
382 object *tmp = pl->ms ().top;
387 for (last = NULL; tmp != last; tmp = tmp->below) 383 for (object *last = 0; tmp != last; tmp = tmp->below)
388 { 384 {
389 object *head; 385 object *head;
390 386
391 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) 387 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last)
392 { 388 {
393 last = tmp->below; /* assumes double floor mode */ 389 last = tmp->below; /* assumes double floor mode */
394 if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) 390 if (last && QUERY_FLAG (last, FLAG_IS_FLOOR))
395 last = last->below; 391 last = last->below;
396 } 392 }
397 393
398 if (LOOK_OBJ (tmp)) 394 if (tmp->client_visible ())
399 { 395 {
400 if (++start_look < pl->contr->socket->look_position) 396 if (++start_look < pl->contr->ns->look_position)
401 continue; 397 continue;
402 398
403 end_look++; 399 end_look++;
404 400
405 if (end_look > FLOORBOX_PAGESIZE) 401 if (end_look > FLOORBOX_PAGESIZE)
406 { 402 {
407 /* What we basically do is make a 'fake' object - when the user applies it, 403 /* What we basically do is make a 'fake' object - when the user applies it,
408 * we notice the special tag the object has, and act accordingly. 404 * we notice the special tag the object has, and act accordingly.
409 */ 405 */
410 sl << uint32 (0x80000000 | (pl->contr->socket->look_position + FLOORBOX_PAGESIZE)) 406 sl << uint32 (0x80000000 | (pl->contr->ns->look_position + FLOORBOX_PAGESIZE))
411 << uint32 (0) 407 << uint32 (0)
412 << uint32 ((uint32) - 1) 408 << uint32 ((uint32) - 1)
413 << uint32 (empty_face->number) 409 << uint32 (empty_face->number)
414 << data8 ("Apply this to see next group of items") 410 << data8 ("Apply this to see next group of items")
415 << uint16 (0) 411 << uint16 (0)
416 << uint8 (0) 412 << uint8 (0)
417 << uint32 (0); 413 << uint32 (0);
418 414
419 if (pl->contr->socket->itemcmd == 2) 415 if (pl->contr->ns->itemcmd == 2)
420 sl << uint16 (0); 416 sl << uint16 (0);
421 417
422 break; 418 break;
423 } 419 }
424 420
425 if (tmp->head) 421 if (tmp->head)
426 head = tmp->head; 422 head = tmp->head;
427 else 423 else
428 head = tmp; 424 head = tmp;
429 425
430 add_object_to_socklist (*pl->contr->socket, sl, head); 426 add_object_to_socklist (*pl->contr->ns, sl, head);
431 got_one++; 427 got_one++;
432 428
433 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) 429 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN))
434 { 430 {
435 pl->contr->socket->send_packet (sl); 431 pl->contr->ns->send_packet (sl);
436 432
437 sl.reset (); 433 sl.reset ();
438 sl.printf ("item%d ", pl->contr->socket->itemcmd); 434 sl.printf ("item%d ", pl->contr->ns->itemcmd);
439 sl << uint32 (0); 435 sl << uint32 (0);
440 got_one = 0; 436 got_one = 0;
441 } 437 }
442 } 438 }
443 } 439 }
444 440
445 if (got_one) 441 if (got_one)
446 pl->contr->socket->send_packet (sl); 442 pl->contr->ns->send_packet (sl);
447 443
448} 444}
449 445
450/** 446/**
451 * Sends whole inventory. 447 * Sends whole inventory.
452 */ 448 */
453void 449void
454esrv_send_inventory (object *pl, object *op) 450esrv_send_inventory (object *pl, object *op)
455{ 451{
456 object *tmp; 452 if (!pl->contr->ns)//D
453 return;
454
457 int got_one = 0; 455 int got_one = 0;
458 456
459
460 pl->contr->socket->send_packet_printf ("delinv %d", op->count); 457 pl->contr->ns->send_packet_printf ("delinv %d", op->count);
461 458
462 packet sl; 459 packet sl;
463 sl.printf ("item%d ", pl->contr->socket->itemcmd); 460 sl.printf ("item%d ", pl->contr->ns->itemcmd);
464 461
465 sl << uint32 (op->count); 462 sl << uint32 (op->count);
466 463
467 for (tmp = op->inv; tmp; tmp = tmp->below) 464 for (object *tmp = op->inv; tmp; tmp = tmp->below)
468 { 465 {
469 object *head; 466 object *head;
470 467
471 if (tmp->head) 468 if (tmp->head)
472 head = tmp->head; 469 head = tmp->head;
473 else 470 else
474 head = tmp; 471 head = tmp;
475 472
476 if (LOOK_OBJ (head)) 473 if (head->client_visible ())
477 { 474 {
478 add_object_to_socklist (*pl->contr->socket, sl, head); 475 add_object_to_socklist (*pl->contr->ns, sl, head);
479 476
480 got_one++; 477 got_one++;
481 478
482 /* IT is possible for players to accumulate a huge amount of 479 /* IT is possible for players to accumulate a huge amount of
483 * items (especially with some of the bags out there) to 480 * items (especially with some of the bags out there) to
484 * overflow the buffer. IF so, send multiple item commands. 481 * overflow the buffer. IF so, send multiple item commands.
485 */ 482 */
486 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) 483 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN))
487 { 484 {
488 pl->contr->socket->send_packet (sl); 485 pl->contr->ns->send_packet (sl);
489 486
490 sl.reset (); 487 sl.reset ();
491 sl.printf ("item%d ", pl->contr->socket->itemcmd); 488 sl.printf ("item%d ", pl->contr->ns->itemcmd);
492 sl << uint32 (op->count); 489 sl << uint32 (op->count);
493 got_one = 0; 490 got_one = 0;
494 } 491 }
495 } /* If LOOK_OBJ() */ 492 }
496 } 493 }
497 494
498 if (got_one) 495 if (got_one)
499 pl->contr->socket->send_packet (sl); 496 pl->contr->ns->send_packet (sl);
500} 497}
501 498
502/** 499/**
503 * Updates object *op for player *pl. 500 * Updates object *op for player *pl.
504 * 501 *
505 * flags is a list of values to update 502 * flags is a list of values to update
506 * to the client (as defined in newclient.h - might as well use the 503 * to the client (as defined in newclient.h - might as well use the
507 * same value both places. 504 * same value both places.
508 */ 505 */
509
510void 506void
511esrv_update_item (int flags, object *pl, object *op) 507esrv_update_item (int flags, object *pl, object *op)
512{ 508{
513 /* If we have a request to send the player item, skip a few checks. */ 509 /* If we have a request to send the player item, skip a few checks. */
514 if (op != pl) 510 if (op != pl)
515 { 511 {
516 if (!LOOK_OBJ (op)) 512 if (!op->client_visible ())
517 return; 513 return;
518 /* we remove the check for op->env, because in theory, the object 514 /* we remove the check for op->env, because in theory, the object
519 * is hopefully in the same place, so the client should preserve 515 * is hopefully in the same place, so the client should preserve
520 * order. 516 * order.
521 */ 517 */
522 } 518 }
523 519
520 client *ns = pl->contr->ns;
521 if (!ns)
522 return;
523
524 if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) 524 if (!QUERY_FLAG (op, FLAG_CLIENT_SENT))
525 { 525 {
526 /* FLAG_CLIENT_SENT is debug only. We are using it to see where 526 /* FLAG_CLIENT_SENT is debug only. We are using it to see where
527 * this is happening - we can set a breakpoint here in the debugger 527 * this is happening - we can set a breakpoint here in the debugger
528 * and track back the call. 528 * and track back the call.
… …
550 sint32 weight = WEIGHT (op); 550 sint32 weight = WEIGHT (op);
551 551
552 sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); 552 sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight);
553 553
554 if (pl == op) 554 if (pl == op)
555 op->contr->last_weight = weight; 555 ns->last_weight = weight;
556 } 556 }
557 557
558 if (flags & UPD_FACE) 558 if (flags & UPD_FACE)
559 { 559 {
560 if (!(pl->contr->socket->faces_sent[op->face->number] & NS_FACESENT_FACE)) 560 if (!(ns->faces_sent[op->face->number] & NS_FACESENT_FACE))
561 esrv_send_face (pl->contr->socket, op->face->number, 0); 561 esrv_send_face (ns, op->face->number, 0);
562 562
563 sl << uint32 (op->face->number); 563 sl << uint32 (op->face->number);
564 } 564 }
565 565
566 if (flags & UPD_NAME) 566 if (flags & UPD_NAME)
… …
602 { 602 {
603 if (op->anim_speed) 603 if (op->anim_speed)
604 anim_speed = op->anim_speed; 604 anim_speed = op->anim_speed;
605 else 605 else
606 { 606 {
607 if (FABS (op->speed) < 0.001) 607 if (fabs (op->speed) < 0.001)
608 anim_speed = 255; 608 anim_speed = 255;
609 else if (FABS (op->speed) >= 1.0) 609 else if (fabs (op->speed) >= 1.0)
610 anim_speed = 1; 610 anim_speed = 1;
611 else 611 else
612 anim_speed = (int) (1.0 / FABS (op->speed)); 612 anim_speed = (int) (1.0 / fabs (op->speed));
613 } 613 }
614 614
615 if (anim_speed > 255) 615 if (anim_speed > 255)
616 anim_speed = 255; 616 anim_speed = 255;
617 } 617 }
… …
620 } 620 }
621 621
622 if (flags & UPD_NROF) 622 if (flags & UPD_NROF)
623 sl << uint32 (op->nrof); 623 sl << uint32 (op->nrof);
624 624
625 pl->contr->socket->send_packet (sl); 625 pl->contr->ns->send_packet (sl);
626} 626}
627 627
628/** 628/**
629 * Sends item's info to player. 629 * Sends item's info to player.
630 */ 630 */
631void 631void
632esrv_send_item (object *pl, object *op) 632esrv_send_item (object *pl, object *op)
633{ 633{
634 if (!pl->contr->ns)
635 return;
636
634 /* If this is not the player object, do some more checks */ 637 /* If this is not the player object, do some more checks */
635 if (op != pl) 638 if (op != pl)
636 { 639 {
637 /* We only send 'visibile' objects to the client */ 640 /* We only send 'visibile' objects to the client */
638 if (!LOOK_OBJ (op)) 641 if (!op->client_visible ())
639 return; 642 return;
643
640 /* if the item is on the ground, mark that the look needs to 644 /* if the item is on the ground, mark that the look needs to
641 * be updated. 645 * be updated.
642 */ 646 */
643 if (!op->env) 647 if (!op->env)
644 { 648 {
645 pl->contr->socket->floorbox_update (); 649 pl->contr->ns->floorbox_update ();
646 return; 650 return;
647 } 651 }
648 } 652 }
649 653
650 packet sl; 654 packet sl;
651 655
652 sl.printf ("item%d ", pl->contr->socket->itemcmd); 656 sl.printf ("item%d ", pl->contr->ns->itemcmd);
653 657
654 if (op->head) 658 if (op->head)
655 op = op->head; 659 op = op->head;
656 660
657 sl << uint32 (op->env ? op->env->count : 0); 661 sl << uint32 (op->env ? op->env->count : 0);
658 662
659 add_object_to_socklist (*pl->contr->socket, sl, op); 663 add_object_to_socklist (*pl->contr->ns, sl, op);
660 664
661 pl->contr->socket->send_packet (sl); 665 pl->contr->ns->send_packet (sl);
662 SET_FLAG (op, FLAG_CLIENT_SENT); 666 SET_FLAG (op, FLAG_CLIENT_SENT);
663} 667}
664 668
665/** 669/**
666 * Tells the client to delete an item. Uses the item 670 * Tells the client to delete an item. Uses the item
667 * command with a -1 location. 671 * command with a -1 location.
668 */ 672 */
669
670void 673void
671esrv_del_item (player *pl, int tag) 674esrv_del_item (player *pl, int tag)
672{ 675{
676 if (!pl->ns)
677 return;
678
673 packet sl ("delitem"); 679 packet sl ("delitem");
674 680
675 sl << uint32 (tag); 681 sl << uint32 (tag);
676 682
677 pl->socket->send_packet (sl); 683 pl->ns->send_packet (sl);
678} 684}
679 685
680 686
681/******************************************************************************* 687/*******************************************************************************
682 * 688 *
… …
753 return; 759 return;
754 760
755 /* If the high bit is set, player applied a pseudo object. */ 761 /* If the high bit is set, player applied a pseudo object. */
756 if (tag & 0x80000000) 762 if (tag & 0x80000000)
757 { 763 {
758 pl->socket->look_position = tag & 0x7fffffff; 764 pl->ns->look_position = tag & 0x7fffffff;
759 pl->socket->floorbox_update (); 765 pl->ns->floorbox_update ();
760 return; 766 return;
761 } 767 }
762 768
763 object *op = esrv_get_ob_from_count (pl->ob, tag); 769 object *op = esrv_get_ob_from_count (pl->ob, tag);
764 770
… …
873 else 879 else
874 new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); 880 new_draw_info (NDI_UNIQUE, 0, op, "You see nothing.");
875 } 881 }
876} 882}
877 883
878
879
880/** Client wants to look at some object. Lets do so. */ 884/** Client wants to look at some object. Lets do so. */
881void 885void
882LookAt (char *buf, int len, player *pl) 886LookAt (char *buf, int len, player *pl)
883{ 887{
884 int dx, dy; 888 int dx, dy;
… …
889 { 893 {
890 return; 894 return;
891 } 895 }
892 dy = atoi (cp); 896 dy = atoi (cp);
893 897
894 if (FABS (dx) > pl->socket->mapx / 2 || FABS (dy) > pl->socket->mapy / 2) 898 if (fabs (dx) > pl->ns->mapx / 2 || fabs (dy) > pl->ns->mapy / 2)
895 return; 899 return;
896 900
897 if (pl->blocked_los[dx + pl->socket->mapx / 2][dy + pl->socket->mapy / 2]) 901 if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2])
898 return; 902 return;
899 903
900 look_at (pl->ob, dx, dy); 904 look_at (pl->ob, dx, dy);
901} 905}
902 906

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