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 | |
… | |
… | |
263 | |
264 | |
264 | flags = query_flags (head); |
265 | flags = query_flags (head); |
265 | if (QUERY_FLAG (head, FLAG_NO_PICK)) |
266 | if (QUERY_FLAG (head, FLAG_NO_PICK)) |
266 | flags |= F_NOPICK; |
267 | flags |= F_NOPICK; |
267 | |
268 | |
268 | if (!(ns.faces_sent[head->face->number] & NS_FACESENT_FACE)) |
269 | ns.send_face (head->face); |
269 | esrv_send_face (&ns, head->face->number, 0); |
|
|
270 | |
270 | |
271 | if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
271 | if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
272 | esrv_send_animation (&ns, head->animation_id); |
272 | ns.send_animation (head->animation_id); |
273 | |
273 | |
274 | sl << uint32 (head->count) |
274 | sl << uint32 (head->count) |
275 | << uint32 (flags) |
275 | << uint32 (flags) |
276 | << uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
276 | << uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
277 | << uint32 (head->face->number); |
277 | << uint32 (head->face); |
278 | |
278 | |
279 | if (!head->custom_name) |
279 | if (!head->custom_name) |
280 | { |
280 | { |
281 | strncpy (item_n, query_base_name (head, 0), 127); |
281 | strncpy (item_n, query_base_name (head, 0), 127); |
282 | item_n[127] = 0; |
282 | item_n[127] = 0; |
… | |
… | |
303 | { |
303 | { |
304 | if (head->anim_speed) |
304 | if (head->anim_speed) |
305 | anim_speed = head->anim_speed; |
305 | anim_speed = head->anim_speed; |
306 | else |
306 | else |
307 | { |
307 | { |
308 | if (FABS (head->speed) < 0.001) |
308 | if (fabs (head->speed) < 0.001) |
309 | anim_speed = 255; |
309 | anim_speed = 255; |
310 | else if (FABS (head->speed) >= 1.0) |
310 | else if (fabs (head->speed) >= 1.0) |
311 | anim_speed = 1; |
311 | anim_speed = 1; |
312 | else |
312 | else |
313 | anim_speed = (int) (1.0 / FABS (head->speed)); |
313 | anim_speed = (int) (1.0 / fabs (head->speed)); |
314 | } |
314 | } |
315 | |
315 | |
316 | if (anim_speed > 255) |
316 | if (anim_speed > 255) |
317 | anim_speed = 255; |
317 | anim_speed = 255; |
318 | } |
318 | } |
… | |
… | |
323 | if (ns.itemcmd == 2) |
323 | if (ns.itemcmd == 2) |
324 | sl << uint16 (head->client_type); |
324 | sl << uint16 (head->client_type); |
325 | |
325 | |
326 | SET_FLAG (head, FLAG_CLIENT_SENT); |
326 | SET_FLAG (head, FLAG_CLIENT_SENT); |
327 | } |
327 | } |
328 | |
|
|
329 | |
328 | |
330 | /** |
329 | /** |
331 | * Send the look window. Don't need to do animations here |
330 | * 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 |
331 | * This sends all the faces to the client, not just updates. This is |
333 | * because object ordering would otherwise be inconsistent. |
332 | * because object ordering would otherwise be inconsistent. |
334 | */ |
333 | */ |
335 | void |
334 | void |
336 | esrv_draw_look (object *pl) |
335 | esrv_draw_look (object *pl) |
337 | { |
336 | { |
338 | object *tmp, *last; |
|
|
339 | int got_one = 0, start_look = 0, end_look = 0; |
337 | int got_one = 0, start_look = 0, end_look = 0; |
340 | char buf[MAX_BUF]; |
|
|
341 | |
338 | |
342 | if (!pl->contr->ns->update_look) |
339 | if (!pl->contr->ns->update_look) |
343 | { |
340 | { |
344 | LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); |
341 | LOG (llevDebug, "esrv_draw_look called when update_look was not set (player %s)\n", &pl->name); |
345 | return; |
342 | return; |
346 | } |
343 | } |
347 | else |
344 | else |
348 | pl->contr->ns->update_look = 0; |
345 | pl->contr->ns->update_look = 0; |
349 | |
346 | |
… | |
… | |
351 | || !pl->map |
348 | || !pl->map |
352 | || pl->map->in_memory != MAP_IN_MEMORY |
349 | || pl->map->in_memory != MAP_IN_MEMORY |
353 | || out_of_map (pl->map, pl->x, pl->y)) |
350 | || out_of_map (pl->map, pl->x, pl->y)) |
354 | return; |
351 | return; |
355 | |
352 | |
356 | for (tmp = GET_MAP_OB (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above) |
|
|
357 | ; |
|
|
358 | |
|
|
359 | pl->contr->ns->send_packet ("delinv 0"); |
353 | pl->contr->ns->send_packet ("delinv 0"); |
360 | |
354 | |
361 | packet sl; |
355 | packet sl; |
362 | sl.printf ("item%d ", pl->contr->ns->itemcmd); |
356 | sl.printf ("item%d ", pl->contr->ns->itemcmd); |
363 | |
357 | |
364 | sl << uint32 (0); |
358 | sl << uint32 (0); |
365 | |
359 | |
366 | if (!(pl->contr->ns->faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
360 | pl->contr->ns->send_face (empty_face); |
367 | esrv_send_face (pl->contr->ns, empty_face->number, 0); |
|
|
368 | |
361 | |
369 | if (pl->contr->ns->look_position) |
362 | if (pl->contr->ns->look_position) |
370 | { |
363 | { |
371 | char buf[80]; |
364 | char buf[80]; |
372 | snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE); |
365 | snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE); |
373 | |
366 | |
374 | sl << uint32 (0x80000000 | (pl->contr->ns->look_position - FLOORBOX_PAGESIZE)) |
367 | sl << uint32 (0x80000000 | (pl->contr->ns->look_position - FLOORBOX_PAGESIZE)) |
375 | << uint32 (0) |
368 | << uint32 (0) |
376 | << sint32 (-1) |
369 | << sint32 (-1) |
377 | << uint32 (empty_face->number) |
370 | << uint32 (empty_face) |
378 | << data8 (buf) |
371 | << data8 (buf) |
379 | << uint16 (0) |
372 | << uint16 (0) |
380 | << uint8 (0) |
373 | << uint8 (0) |
381 | << uint32 (0); |
374 | << uint32 (0); |
382 | |
375 | |
383 | if (pl->contr->ns->itemcmd == 2) |
376 | if (pl->contr->ns->itemcmd == 2) |
384 | sl << uint16 (0); |
377 | sl << uint16 (0); |
385 | } |
378 | } |
386 | |
379 | |
|
|
380 | object *tmp = pl->ms ().top; |
387 | for (last = NULL; tmp != last; tmp = tmp->below) |
381 | for (object *last = 0; tmp != last; tmp = tmp->below) |
388 | { |
382 | { |
389 | object *head; |
383 | object *head; |
390 | |
384 | |
391 | if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
385 | if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
392 | { |
386 | { |
393 | last = tmp->below; /* assumes double floor mode */ |
387 | last = tmp->below; /* assumes double floor mode */ |
394 | if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
388 | if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
395 | last = last->below; |
389 | last = last->below; |
396 | } |
390 | } |
397 | |
391 | |
398 | if (LOOK_OBJ (tmp)) |
392 | if (tmp->client_visible ()) |
399 | { |
393 | { |
400 | if (++start_look < pl->contr->ns->look_position) |
394 | if (++start_look < pl->contr->ns->look_position) |
401 | continue; |
395 | continue; |
402 | |
396 | |
403 | end_look++; |
397 | end_look++; |
… | |
… | |
408 | * we notice the special tag the object has, and act accordingly. |
402 | * we notice the special tag the object has, and act accordingly. |
409 | */ |
403 | */ |
410 | sl << uint32 (0x80000000 | (pl->contr->ns->look_position + FLOORBOX_PAGESIZE)) |
404 | sl << uint32 (0x80000000 | (pl->contr->ns->look_position + FLOORBOX_PAGESIZE)) |
411 | << uint32 (0) |
405 | << uint32 (0) |
412 | << uint32 ((uint32) - 1) |
406 | << uint32 ((uint32) - 1) |
413 | << uint32 (empty_face->number) |
407 | << uint32 (empty_face) |
414 | << data8 ("Apply this to see next group of items") |
408 | << data8 ("Apply this to see next group of items") |
415 | << uint16 (0) |
409 | << uint16 (0) |
416 | << uint8 (0) |
410 | << uint8 (0) |
417 | << uint32 (0); |
411 | << uint32 (0); |
418 | |
412 | |
… | |
… | |
451 | * Sends whole inventory. |
445 | * Sends whole inventory. |
452 | */ |
446 | */ |
453 | void |
447 | void |
454 | esrv_send_inventory (object *pl, object *op) |
448 | esrv_send_inventory (object *pl, object *op) |
455 | { |
449 | { |
456 | object *tmp; |
450 | if (!pl->contr->ns)//D |
|
|
451 | return; |
|
|
452 | |
457 | int got_one = 0; |
453 | int got_one = 0; |
458 | |
|
|
459 | |
454 | |
460 | pl->contr->ns->send_packet_printf ("delinv %d", op->count); |
455 | pl->contr->ns->send_packet_printf ("delinv %d", op->count); |
461 | |
456 | |
462 | packet sl; |
457 | packet sl; |
463 | sl.printf ("item%d ", pl->contr->ns->itemcmd); |
458 | sl.printf ("item%d ", pl->contr->ns->itemcmd); |
464 | |
459 | |
465 | sl << uint32 (op->count); |
460 | sl << uint32 (op->count); |
466 | |
461 | |
467 | for (tmp = op->inv; tmp; tmp = tmp->below) |
462 | for (object *tmp = op->inv; tmp; tmp = tmp->below) |
468 | { |
463 | { |
469 | object *head; |
464 | object *head; |
470 | |
465 | |
471 | if (tmp->head) |
466 | if (tmp->head) |
472 | head = tmp->head; |
467 | head = tmp->head; |
473 | else |
468 | else |
474 | head = tmp; |
469 | head = tmp; |
475 | |
470 | |
476 | if (LOOK_OBJ (head)) |
471 | if (head->client_visible ()) |
477 | { |
472 | { |
478 | add_object_to_socklist (*pl->contr->ns, sl, head); |
473 | add_object_to_socklist (*pl->contr->ns, sl, head); |
479 | |
474 | |
480 | got_one++; |
475 | got_one++; |
481 | |
476 | |
… | |
… | |
490 | sl.reset (); |
485 | sl.reset (); |
491 | sl.printf ("item%d ", pl->contr->ns->itemcmd); |
486 | sl.printf ("item%d ", pl->contr->ns->itemcmd); |
492 | sl << uint32 (op->count); |
487 | sl << uint32 (op->count); |
493 | got_one = 0; |
488 | got_one = 0; |
494 | } |
489 | } |
495 | } /* If LOOK_OBJ() */ |
490 | } |
496 | } |
491 | } |
497 | |
492 | |
498 | if (got_one) |
493 | if (got_one) |
499 | pl->contr->ns->send_packet (sl); |
494 | pl->contr->ns->send_packet (sl); |
500 | } |
495 | } |
… | |
… | |
504 | * |
499 | * |
505 | * flags is a list of values to update |
500 | * flags is a list of values to update |
506 | * to the client (as defined in newclient.h - might as well use the |
501 | * to the client (as defined in newclient.h - might as well use the |
507 | * same value both places. |
502 | * same value both places. |
508 | */ |
503 | */ |
509 | |
|
|
510 | void |
504 | void |
511 | esrv_update_item (int flags, object *pl, object *op) |
505 | esrv_update_item (int flags, object *pl, object *op) |
512 | { |
506 | { |
513 | /* If we have a request to send the player item, skip a few checks. */ |
507 | /* If we have a request to send the player item, skip a few checks. */ |
514 | if (op != pl) |
508 | if (op != pl) |
515 | { |
509 | { |
516 | if (!LOOK_OBJ (op)) |
510 | if (!op->client_visible ()) |
517 | return; |
511 | return; |
518 | /* we remove the check for op->env, because in theory, the object |
512 | /* we remove the check for op->env, because in theory, the object |
519 | * is hopefully in the same place, so the client should preserve |
513 | * is hopefully in the same place, so the client should preserve |
520 | * order. |
514 | * order. |
521 | */ |
515 | */ |
522 | } |
516 | } |
523 | |
517 | |
|
|
518 | client *ns = pl->contr->ns; |
|
|
519 | if (!ns) |
|
|
520 | return; |
|
|
521 | |
524 | if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
522 | if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
525 | { |
523 | { |
526 | /* FLAG_CLIENT_SENT is debug only. We are using it to see where |
524 | /* 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 |
525 | * this is happening - we can set a breakpoint here in the debugger |
528 | * and track back the call. |
526 | * and track back the call. |
… | |
… | |
550 | sint32 weight = WEIGHT (op); |
548 | sint32 weight = WEIGHT (op); |
551 | |
549 | |
552 | sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
550 | sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
553 | |
551 | |
554 | if (pl == op) |
552 | if (pl == op) |
555 | op->contr->last_weight = weight; |
553 | ns->last_weight = weight; |
556 | } |
554 | } |
557 | |
555 | |
558 | if (flags & UPD_FACE) |
556 | if (flags & UPD_FACE) |
559 | { |
557 | { |
560 | if (!(pl->contr->ns->faces_sent[op->face->number] & NS_FACESENT_FACE)) |
558 | ns->send_face (op->face); |
561 | esrv_send_face (pl->contr->ns, op->face->number, 0); |
|
|
562 | |
|
|
563 | sl << uint32 (op->face->number); |
559 | sl << uint32 (op->face); |
564 | } |
560 | } |
565 | |
561 | |
566 | if (flags & UPD_NAME) |
562 | if (flags & UPD_NAME) |
567 | { |
563 | { |
568 | int len; |
564 | int len; |
… | |
… | |
602 | { |
598 | { |
603 | if (op->anim_speed) |
599 | if (op->anim_speed) |
604 | anim_speed = op->anim_speed; |
600 | anim_speed = op->anim_speed; |
605 | else |
601 | else |
606 | { |
602 | { |
607 | if (FABS (op->speed) < 0.001) |
603 | if (fabs (op->speed) < 0.001) |
608 | anim_speed = 255; |
604 | anim_speed = 255; |
609 | else if (FABS (op->speed) >= 1.0) |
605 | else if (fabs (op->speed) >= 1.0) |
610 | anim_speed = 1; |
606 | anim_speed = 1; |
611 | else |
607 | else |
612 | anim_speed = (int) (1.0 / FABS (op->speed)); |
608 | anim_speed = (int) (1.0 / fabs (op->speed)); |
613 | } |
609 | } |
614 | |
610 | |
615 | if (anim_speed > 255) |
611 | if (anim_speed > 255) |
616 | anim_speed = 255; |
612 | anim_speed = 255; |
617 | } |
613 | } |
… | |
… | |
629 | * Sends item's info to player. |
625 | * Sends item's info to player. |
630 | */ |
626 | */ |
631 | void |
627 | void |
632 | esrv_send_item (object *pl, object *op) |
628 | esrv_send_item (object *pl, object *op) |
633 | { |
629 | { |
|
|
630 | if (!pl->contr->ns) |
|
|
631 | return; |
|
|
632 | |
634 | /* If this is not the player object, do some more checks */ |
633 | /* If this is not the player object, do some more checks */ |
635 | if (op != pl) |
634 | if (op != pl) |
636 | { |
635 | { |
637 | /* We only send 'visibile' objects to the client */ |
636 | /* We only send 'visibile' objects to the client */ |
638 | if (!LOOK_OBJ (op)) |
637 | if (!op->client_visible ()) |
639 | return; |
638 | return; |
|
|
639 | |
640 | /* if the item is on the ground, mark that the look needs to |
640 | /* if the item is on the ground, mark that the look needs to |
641 | * be updated. |
641 | * be updated. |
642 | */ |
642 | */ |
643 | if (!op->env) |
643 | if (!op->env) |
644 | { |
644 | { |
… | |
… | |
664 | |
664 | |
665 | /** |
665 | /** |
666 | * Tells the client to delete an item. Uses the item |
666 | * Tells the client to delete an item. Uses the item |
667 | * command with a -1 location. |
667 | * command with a -1 location. |
668 | */ |
668 | */ |
669 | |
|
|
670 | void |
669 | void |
671 | esrv_del_item (player *pl, int tag) |
670 | esrv_del_item (player *pl, int tag) |
672 | { |
671 | { |
|
|
672 | if (!pl->ns) |
|
|
673 | return; |
|
|
674 | |
673 | packet sl ("delitem"); |
675 | packet sl ("delitem"); |
674 | |
676 | |
675 | sl << uint32 (tag); |
677 | sl << uint32 (tag); |
676 | |
678 | |
677 | pl->ns->send_packet (sl); |
679 | pl->ns->send_packet (sl); |
… | |
… | |
873 | else |
875 | else |
874 | new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
876 | new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
875 | } |
877 | } |
876 | } |
878 | } |
877 | |
879 | |
878 | |
|
|
879 | |
|
|
880 | /** Client wants to look at some object. Lets do so. */ |
880 | /** Client wants to look at some object. Lets do so. */ |
881 | void |
881 | void |
882 | LookAt (char *buf, int len, player *pl) |
882 | LookAt (char *buf, int len, player *pl) |
883 | { |
883 | { |
884 | int dx, dy; |
884 | int dx, dy; |
… | |
… | |
889 | { |
889 | { |
890 | return; |
890 | return; |
891 | } |
891 | } |
892 | dy = atoi (cp); |
892 | dy = atoi (cp); |
893 | |
893 | |
894 | if (FABS (dx) > pl->ns->mapx / 2 || FABS (dy) > pl->ns->mapy / 2) |
894 | if (fabs (dx) > pl->ns->mapx / 2 || fabs (dy) > pl->ns->mapy / 2) |
895 | return; |
895 | return; |
896 | |
896 | |
897 | if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2]) |
897 | if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2]) |
898 | return; |
898 | return; |
899 | |
899 | |