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 | ns.flush_fx (); |
270 | |
271 | |
271 | if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
272 | if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
272 | esrv_send_animation (&ns, head->animation_id); |
273 | ns.send_animation (head->animation_id); |
273 | |
274 | |
274 | sl << uint32 (head->count) |
275 | sl << uint32 (head->count) |
275 | << uint32 (flags) |
276 | << uint32 (flags) |
276 | << uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
277 | << uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
277 | << uint32 (head->face->number); |
278 | << uint32 (head->face); |
278 | |
279 | |
279 | if (!head->custom_name) |
280 | if (!head->custom_name) |
280 | { |
281 | { |
281 | strncpy (item_n, query_base_name (head, 0), 127); |
282 | strncpy (item_n, query_base_name (head, 0), 127); |
282 | item_n[127] = 0; |
283 | item_n[127] = 0; |
… | |
… | |
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 | */ |
335 | void |
335 | void |
336 | esrv_draw_look (object *pl) |
336 | esrv_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->ns->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->ns->update_look = 0; |
346 | pl->contr->ns->update_look = 0; |
349 | |
347 | |
… | |
… | |
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->ns->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->ns->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->ns->faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
361 | pl->contr->ns->send_face (empty_face); |
367 | esrv_send_face (pl->contr->ns, empty_face->number, 0); |
362 | pl->contr->ns->flush_fx (); |
368 | |
363 | |
369 | if (pl->contr->ns->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->ns->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) |
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->ns->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->ns->look_position) |
396 | if (++start_look < pl->contr->ns->look_position) |
401 | continue; |
397 | continue; |
402 | |
398 | |
403 | end_look++; |
399 | end_look++; |
… | |
… | |
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->ns->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) |
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 | |
… | |
… | |
451 | * Sends whole inventory. |
447 | * Sends whole inventory. |
452 | */ |
448 | */ |
453 | void |
449 | void |
454 | esrv_send_inventory (object *pl, object *op) |
450 | esrv_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 | |
|
|
459 | |
456 | |
460 | pl->contr->ns->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->ns->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->ns, sl, head); |
475 | add_object_to_socklist (*pl->contr->ns, sl, head); |
479 | |
476 | |
480 | got_one++; |
477 | got_one++; |
481 | |
478 | |
… | |
… | |
490 | sl.reset (); |
487 | sl.reset (); |
491 | sl.printf ("item%d ", pl->contr->ns->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->ns->send_packet (sl); |
496 | pl->contr->ns->send_packet (sl); |
500 | } |
497 | } |
… | |
… | |
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 | |
|
|
510 | void |
506 | void |
511 | esrv_update_item (int flags, object *pl, object *op) |
507 | esrv_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->ns->faces_sent[op->face->number] & NS_FACESENT_FACE)) |
560 | ns->send_face (op->face); |
561 | esrv_send_face (pl->contr->ns, op->face->number, 0); |
561 | ns->flush_fx (); |
562 | |
|
|
563 | sl << uint32 (op->face->number); |
562 | sl << uint32 (op->face); |
564 | } |
563 | } |
565 | |
564 | |
566 | if (flags & UPD_NAME) |
565 | if (flags & UPD_NAME) |
567 | { |
566 | { |
568 | int len; |
567 | int len; |
… | |
… | |
602 | { |
601 | { |
603 | if (op->anim_speed) |
602 | if (op->anim_speed) |
604 | anim_speed = op->anim_speed; |
603 | anim_speed = op->anim_speed; |
605 | else |
604 | else |
606 | { |
605 | { |
607 | if (FABS (op->speed) < 0.001) |
606 | if (fabs (op->speed) < 0.001) |
608 | anim_speed = 255; |
607 | anim_speed = 255; |
609 | else if (FABS (op->speed) >= 1.0) |
608 | else if (fabs (op->speed) >= 1.0) |
610 | anim_speed = 1; |
609 | anim_speed = 1; |
611 | else |
610 | else |
612 | anim_speed = (int) (1.0 / FABS (op->speed)); |
611 | anim_speed = (int) (1.0 / fabs (op->speed)); |
613 | } |
612 | } |
614 | |
613 | |
615 | if (anim_speed > 255) |
614 | if (anim_speed > 255) |
616 | anim_speed = 255; |
615 | anim_speed = 255; |
617 | } |
616 | } |
… | |
… | |
629 | * Sends item's info to player. |
628 | * Sends item's info to player. |
630 | */ |
629 | */ |
631 | void |
630 | void |
632 | esrv_send_item (object *pl, object *op) |
631 | esrv_send_item (object *pl, object *op) |
633 | { |
632 | { |
|
|
633 | if (!pl->contr->ns) |
|
|
634 | return; |
|
|
635 | |
634 | /* If this is not the player object, do some more checks */ |
636 | /* If this is not the player object, do some more checks */ |
635 | if (op != pl) |
637 | if (op != pl) |
636 | { |
638 | { |
637 | /* We only send 'visibile' objects to the client */ |
639 | /* We only send 'visibile' objects to the client */ |
638 | if (!LOOK_OBJ (op)) |
640 | if (!op->client_visible ()) |
639 | return; |
641 | return; |
|
|
642 | |
640 | /* if the item is on the ground, mark that the look needs to |
643 | /* if the item is on the ground, mark that the look needs to |
641 | * be updated. |
644 | * be updated. |
642 | */ |
645 | */ |
643 | if (!op->env) |
646 | if (!op->env) |
644 | { |
647 | { |
… | |
… | |
664 | |
667 | |
665 | /** |
668 | /** |
666 | * Tells the client to delete an item. Uses the item |
669 | * Tells the client to delete an item. Uses the item |
667 | * command with a -1 location. |
670 | * command with a -1 location. |
668 | */ |
671 | */ |
669 | |
|
|
670 | void |
672 | void |
671 | esrv_del_item (player *pl, int tag) |
673 | esrv_del_item (player *pl, int tag) |
672 | { |
674 | { |
|
|
675 | if (!pl->ns) |
|
|
676 | return; |
|
|
677 | |
673 | packet sl ("delitem"); |
678 | packet sl ("delitem"); |
674 | |
679 | |
675 | sl << uint32 (tag); |
680 | sl << uint32 (tag); |
676 | |
681 | |
677 | pl->ns->send_packet (sl); |
682 | pl->ns->send_packet (sl); |
… | |
… | |
873 | else |
878 | else |
874 | new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
879 | new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
875 | } |
880 | } |
876 | } |
881 | } |
877 | |
882 | |
878 | |
|
|
879 | |
|
|
880 | /** Client wants to look at some object. Lets do so. */ |
883 | /** Client wants to look at some object. Lets do so. */ |
881 | void |
884 | void |
882 | LookAt (char *buf, int len, player *pl) |
885 | LookAt (char *buf, int len, player *pl) |
883 | { |
886 | { |
884 | int dx, dy; |
887 | int dx, dy; |
… | |
… | |
889 | { |
892 | { |
890 | return; |
893 | return; |
891 | } |
894 | } |
892 | dy = atoi (cp); |
895 | dy = atoi (cp); |
893 | |
896 | |
894 | if (FABS (dx) > pl->ns->mapx / 2 || FABS (dy) > pl->ns->mapy / 2) |
897 | if (fabs (dx) > pl->ns->mapx / 2 || fabs (dy) > pl->ns->mapy / 2) |
895 | return; |
898 | return; |
896 | |
899 | |
897 | if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2]) |
900 | if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2]) |
898 | return; |
901 | return; |
899 | |
902 | |