1 |
/* |
2 |
CrossFire, A Multiplayer game for X-windows |
3 |
|
4 |
Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 |
Copyright (C) 1992 Frank Tore Johansen |
6 |
|
7 |
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 |
the Free Software Foundation; either version 2 of the License, or |
10 |
(at your option) any later version. |
11 |
|
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This program is distributed in the hope that it will be useful, |
13 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
16 |
|
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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 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 |
|
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The author can be reached via e-mail to <crossfire@schmorp.de> |
22 |
*/ |
23 |
|
24 |
/** |
25 |
* \file |
26 |
* Client/server logic. |
27 |
* |
28 |
* \date 2003-12-02 |
29 |
* |
30 |
* This containes item logic for client/server. It doesn't contain |
31 |
* the actual commands that send the data, but does contain |
32 |
* the logic for what items should be sent. |
33 |
*/ |
34 |
|
35 |
#include <global.h> |
36 |
#include <object.h> /* LOOK_OBJ */ |
37 |
#include <sproto.h> |
38 |
|
39 |
/** This is the maximum number of bytes we expect any one item to take up */ |
40 |
#define MAXITEMLEN 300 |
41 |
|
42 |
/******************************************************************************* |
43 |
* |
44 |
* Functions related to sending object data to the client. |
45 |
* |
46 |
******************************************************************************/ |
47 |
|
48 |
/** |
49 |
* This is a similar to query_name, but returns flags |
50 |
* to be sent to client. |
51 |
*/ |
52 |
unsigned int |
53 |
query_flags (object *op) |
54 |
{ |
55 |
unsigned int flags = 0; |
56 |
|
57 |
if (QUERY_FLAG (op, FLAG_APPLIED)) |
58 |
{ |
59 |
switch (op->type) |
60 |
{ |
61 |
case BOW: |
62 |
case WAND: |
63 |
case ROD: |
64 |
case HORN: |
65 |
flags = a_readied; |
66 |
break; |
67 |
case WEAPON: |
68 |
flags = a_wielded; |
69 |
break; |
70 |
case SKILL: |
71 |
case ARMOUR: |
72 |
case HELMET: |
73 |
case SHIELD: |
74 |
case RING: |
75 |
case BOOTS: |
76 |
case GLOVES: |
77 |
case AMULET: |
78 |
case GIRDLE: |
79 |
case BRACERS: |
80 |
case CLOAK: |
81 |
flags = a_worn; |
82 |
break; |
83 |
case CONTAINER: |
84 |
flags = a_active; |
85 |
break; |
86 |
default: |
87 |
flags = a_applied; |
88 |
break; |
89 |
} |
90 |
} |
91 |
|
92 |
if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED)))) |
93 |
flags |= F_OPEN; |
94 |
|
95 |
if (QUERY_FLAG (op, FLAG_KNOWN_CURSED)) |
96 |
{ |
97 |
if (QUERY_FLAG (op, FLAG_DAMNED)) |
98 |
flags |= F_DAMNED; |
99 |
else if (QUERY_FLAG (op, FLAG_CURSED)) |
100 |
flags |= F_CURSED; |
101 |
} |
102 |
|
103 |
if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
104 |
flags |= F_MAGIC; |
105 |
if (QUERY_FLAG (op, FLAG_UNPAID)) |
106 |
flags |= F_UNPAID; |
107 |
if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
108 |
flags |= F_LOCKED; |
109 |
|
110 |
return flags; |
111 |
} |
112 |
|
113 |
/* Used in the send_look to put object head into packet |
114 |
* sl for socket ns. Need socket to know if we need to send |
115 |
* animation of face to the client. |
116 |
*/ |
117 |
static void |
118 |
add_object_to_socklist (client &ns, packet &sl, object *head) |
119 |
{ |
120 |
int flags, len, anim_speed; |
121 |
char item_n[MAX_BUF]; |
122 |
const char *item_p; |
123 |
|
124 |
flags = query_flags (head); |
125 |
if (QUERY_FLAG (head, FLAG_NO_PICK)) |
126 |
flags |= F_NOPICK; |
127 |
|
128 |
if (!(ns.faces_sent[head->face->number] & NS_FACESENT_FACE)) |
129 |
esrv_send_face (&ns, head->face->number, 0); |
130 |
|
131 |
if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
132 |
esrv_send_animation (&ns, head->animation_id); |
133 |
|
134 |
sl << uint32 (head->count) |
135 |
<< uint32 (flags) |
136 |
<< uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
137 |
<< uint32 (head->face->number); |
138 |
|
139 |
if (!head->custom_name) |
140 |
{ |
141 |
strncpy (item_n, query_base_name (head, 0), 127); |
142 |
item_n[127] = 0; |
143 |
len = strlen (item_n); |
144 |
item_p = query_base_name (head, 1); |
145 |
} |
146 |
else |
147 |
{ |
148 |
strncpy (item_n, head->custom_name, 127); |
149 |
item_n[127] = 0; |
150 |
len = strlen (item_n); |
151 |
item_p = head->custom_name; |
152 |
} |
153 |
|
154 |
strncpy (item_n + len + 1, item_p, 127); |
155 |
item_n[254] = 0; |
156 |
len += strlen (item_n + 1 + len) + 1; |
157 |
|
158 |
sl << data8 (item_n, len) |
159 |
<< uint16 (head->animation_id); |
160 |
|
161 |
anim_speed = 0; |
162 |
if (QUERY_FLAG (head, FLAG_ANIMATE)) |
163 |
{ |
164 |
if (head->anim_speed) |
165 |
anim_speed = head->anim_speed; |
166 |
else |
167 |
{ |
168 |
if (FABS (head->speed) < 0.001) |
169 |
anim_speed = 255; |
170 |
else if (FABS (head->speed) >= 1.0) |
171 |
anim_speed = 1; |
172 |
else |
173 |
anim_speed = (int) (1.0 / FABS (head->speed)); |
174 |
} |
175 |
|
176 |
if (anim_speed > 255) |
177 |
anim_speed = 255; |
178 |
} |
179 |
|
180 |
sl << uint8 (anim_speed) |
181 |
<< uint32 (head->nrof); |
182 |
|
183 |
if (ns.itemcmd == 2) |
184 |
sl << uint16 (head->client_type); |
185 |
|
186 |
SET_FLAG (head, FLAG_CLIENT_SENT); |
187 |
} |
188 |
|
189 |
|
190 |
/** |
191 |
* Send the look window. Don't need to do animations here |
192 |
* This sends all the faces to the client, not just updates. This is |
193 |
* because object ordering would otherwise be inconsistent. |
194 |
*/ |
195 |
void |
196 |
esrv_draw_look (object *pl) |
197 |
{ |
198 |
object *tmp, *last; |
199 |
int got_one = 0, start_look = 0, end_look = 0; |
200 |
char buf[MAX_BUF]; |
201 |
|
202 |
if (!pl->contr->socket->update_look) |
203 |
{ |
204 |
LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); |
205 |
return; |
206 |
} |
207 |
else |
208 |
pl->contr->socket->update_look = 0; |
209 |
|
210 |
if (QUERY_FLAG (pl, FLAG_REMOVED) |
211 |
|| !pl->map |
212 |
|| pl->map->in_memory != MAP_IN_MEMORY |
213 |
|| out_of_map (pl->map, pl->x, pl->y)) |
214 |
return; |
215 |
|
216 |
for (tmp = get_map_ob (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above) |
217 |
; |
218 |
|
219 |
packet sl; |
220 |
|
221 |
pl->contr->socket->send_packet ("delinv 0"); |
222 |
|
223 |
sl.printf ("item%d ", pl->contr->socket->itemcmd); |
224 |
|
225 |
sl << uint32 (0); |
226 |
|
227 |
if (!(pl->contr->socket->faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
228 |
esrv_send_face (pl->contr->socket, empty_face->number, 0); |
229 |
|
230 |
if (pl->contr->socket->look_position) |
231 |
{ |
232 |
char buf[80]; |
233 |
snprintf (buf, 80, "Apply this to see %d previous items", NUM_LOOK_OBJECTS); |
234 |
|
235 |
sl << uint32 (0x80000000 | (pl->contr->socket->look_position - NUM_LOOK_OBJECTS)) |
236 |
<< uint32 (0) |
237 |
<< sint32 (-1) |
238 |
<< uint32 (empty_face->number) |
239 |
<< data8 (buf) |
240 |
<< uint16 (0) |
241 |
<< uint8 (0) |
242 |
<< uint32 (0); |
243 |
|
244 |
if (pl->contr->socket->itemcmd == 2) |
245 |
sl << uint16 (0); |
246 |
} |
247 |
|
248 |
for (last = NULL; tmp != last; tmp = tmp->below) |
249 |
{ |
250 |
object *head; |
251 |
|
252 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
253 |
{ |
254 |
last = tmp->below; /* assumes double floor mode */ |
255 |
if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
256 |
last = last->below; |
257 |
} |
258 |
|
259 |
if (LOOK_OBJ (tmp)) |
260 |
{ |
261 |
if (++start_look < pl->contr->socket->look_position) |
262 |
continue; |
263 |
|
264 |
end_look++; |
265 |
|
266 |
if (end_look > NUM_LOOK_OBJECTS) |
267 |
{ |
268 |
/* What we basically do is make a 'fake' object - when the user applies it, |
269 |
* we notice the special tag the object has, and act accordingly. |
270 |
*/ |
271 |
sl << uint32 (0x80000000 | (pl->contr->socket->look_position + NUM_LOOK_OBJECTS)) |
272 |
<< uint32 (0) |
273 |
<< uint32 ((uint32) - 1) |
274 |
<< uint32 (empty_face->number) |
275 |
<< data8 ("Apply this to see next group of items") |
276 |
<< uint16 (0) |
277 |
<< uint8 (0) |
278 |
<< uint32 (0); |
279 |
|
280 |
if (pl->contr->socket->itemcmd == 2) |
281 |
sl << uint16 (0); |
282 |
|
283 |
break; |
284 |
} |
285 |
|
286 |
if (tmp->head) |
287 |
head = tmp->head; |
288 |
else |
289 |
head = tmp; |
290 |
|
291 |
add_object_to_socklist (*pl->contr->socket, sl, head); |
292 |
got_one++; |
293 |
|
294 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
295 |
{ |
296 |
pl->contr->socket->send_packet (sl); |
297 |
|
298 |
sl.reset (); |
299 |
sl.printf ("item%d ", pl->contr->socket->itemcmd); |
300 |
sl << uint32 (0); |
301 |
got_one = 0; |
302 |
} |
303 |
} |
304 |
} |
305 |
|
306 |
if (got_one) |
307 |
pl->contr->socket->send_packet (sl); |
308 |
|
309 |
} |
310 |
|
311 |
/** |
312 |
* Sends whole inventory. |
313 |
*/ |
314 |
void |
315 |
esrv_send_inventory (object *pl, object *op) |
316 |
{ |
317 |
object *tmp; |
318 |
int got_one = 0; |
319 |
|
320 |
packet sl; |
321 |
|
322 |
sl.printf ("delinv %d", op->count); |
323 |
pl->contr->socket->send_packet (sl); |
324 |
|
325 |
sl.reset (); |
326 |
sl.printf ("item%d ", pl->contr->socket->itemcmd); |
327 |
|
328 |
sl << uint32 (op->count); |
329 |
|
330 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
331 |
{ |
332 |
object *head; |
333 |
|
334 |
if (tmp->head) |
335 |
head = tmp->head; |
336 |
else |
337 |
head = tmp; |
338 |
|
339 |
if (LOOK_OBJ (head)) |
340 |
{ |
341 |
add_object_to_socklist (*pl->contr->socket, sl, head); |
342 |
|
343 |
got_one++; |
344 |
|
345 |
/* IT is possible for players to accumulate a huge amount of |
346 |
* items (especially with some of the bags out there) to |
347 |
* overflow the buffer. IF so, send multiple item commands. |
348 |
*/ |
349 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
350 |
{ |
351 |
pl->contr->socket->send_packet (sl); |
352 |
|
353 |
sl.reset (); |
354 |
sl.printf ("item%d ", pl->contr->socket->itemcmd); |
355 |
sl << uint32 (op->count); |
356 |
got_one = 0; |
357 |
} |
358 |
} /* If LOOK_OBJ() */ |
359 |
} |
360 |
|
361 |
if (got_one) |
362 |
pl->contr->socket->send_packet (sl); |
363 |
} |
364 |
|
365 |
/** |
366 |
* Updates object *op for player *pl. |
367 |
* |
368 |
* flags is a list of values to update |
369 |
* to the client (as defined in newclient.h - might as well use the |
370 |
* same value both places. |
371 |
*/ |
372 |
|
373 |
void |
374 |
esrv_update_item (int flags, object *pl, object *op) |
375 |
{ |
376 |
/* If we have a request to send the player item, skip a few checks. */ |
377 |
if (op != pl) |
378 |
{ |
379 |
if (!LOOK_OBJ (op)) |
380 |
return; |
381 |
/* we remove the check for op->env, because in theory, the object |
382 |
* is hopefully in the same place, so the client should preserve |
383 |
* order. |
384 |
*/ |
385 |
} |
386 |
|
387 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
388 |
{ |
389 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
390 |
* this is happening - we can set a breakpoint here in the debugger |
391 |
* and track back the call. |
392 |
*/ |
393 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
394 |
} |
395 |
|
396 |
packet sl; |
397 |
|
398 |
sl << "upditem " |
399 |
<< uint8 (flags); |
400 |
|
401 |
if (op->head) |
402 |
op = op->head; |
403 |
|
404 |
sl << uint32 (op->count); |
405 |
|
406 |
if (flags & UPD_LOCATION) |
407 |
sl << uint32 (op->env ? op->env->count : 0); |
408 |
|
409 |
if (flags & UPD_FLAGS) |
410 |
sl << uint32 (query_flags (op)); |
411 |
|
412 |
if (flags & UPD_WEIGHT) |
413 |
{ |
414 |
sint32 weight = WEIGHT (op); |
415 |
|
416 |
sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
417 |
|
418 |
if (pl == op) |
419 |
op->contr->last_weight = weight; |
420 |
} |
421 |
|
422 |
if (flags & UPD_FACE) |
423 |
{ |
424 |
if (!(pl->contr->socket->faces_sent[op->face->number] & NS_FACESENT_FACE)) |
425 |
esrv_send_face (pl->contr->socket, op->face->number, 0); |
426 |
|
427 |
sl << uint32 (op->face->number); |
428 |
} |
429 |
|
430 |
if (flags & UPD_NAME) |
431 |
{ |
432 |
int len; |
433 |
const char *item_p; |
434 |
char item_n[MAX_BUF]; |
435 |
|
436 |
if (!op->custom_name) |
437 |
{ |
438 |
strncpy (item_n, query_base_name (op, 0), 127); |
439 |
item_n[127] = 0; |
440 |
len = strlen (item_n); |
441 |
item_p = query_base_name (op, 1); |
442 |
} |
443 |
else |
444 |
{ |
445 |
strncpy (item_n, op->custom_name, 127); |
446 |
item_n[127] = 0; |
447 |
len = strlen (item_n); |
448 |
item_p = op->custom_name; |
449 |
} |
450 |
|
451 |
strncpy (item_n + len + 1, item_p, 127); |
452 |
item_n[254] = 0; |
453 |
len += strlen (item_n + 1 + len) + 1; |
454 |
|
455 |
sl << data8 (item_n, len); |
456 |
} |
457 |
|
458 |
if (flags & UPD_ANIM) |
459 |
sl << uint16 (op->animation_id); |
460 |
|
461 |
if (flags & UPD_ANIMSPEED) |
462 |
{ |
463 |
int anim_speed = 0; |
464 |
|
465 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
466 |
{ |
467 |
if (op->anim_speed) |
468 |
anim_speed = op->anim_speed; |
469 |
else |
470 |
{ |
471 |
if (FABS (op->speed) < 0.001) |
472 |
anim_speed = 255; |
473 |
else if (FABS (op->speed) >= 1.0) |
474 |
anim_speed = 1; |
475 |
else |
476 |
anim_speed = (int) (1.0 / FABS (op->speed)); |
477 |
} |
478 |
|
479 |
if (anim_speed > 255) |
480 |
anim_speed = 255; |
481 |
} |
482 |
|
483 |
sl << uint8 (anim_speed); |
484 |
} |
485 |
|
486 |
if (flags & UPD_NROF) |
487 |
sl << uint32 (op->nrof); |
488 |
|
489 |
pl->contr->socket->send_packet (sl); |
490 |
} |
491 |
|
492 |
/** |
493 |
* Sends item's info to player. |
494 |
*/ |
495 |
void |
496 |
esrv_send_item (object *pl, object *op) |
497 |
{ |
498 |
/* If this is not the player object, do some more checks */ |
499 |
if (op != pl) |
500 |
{ |
501 |
/* We only send 'visibile' objects to the client */ |
502 |
if (!LOOK_OBJ (op)) |
503 |
return; |
504 |
/* if the item is on the ground, mark that the look needs to |
505 |
* be updated. |
506 |
*/ |
507 |
if (!op->env) |
508 |
{ |
509 |
pl->contr->socket->floorbox_update (); |
510 |
return; |
511 |
} |
512 |
} |
513 |
|
514 |
packet sl; |
515 |
|
516 |
sl.printf ("item%d ", pl->contr->socket->itemcmd); |
517 |
|
518 |
if (op->head) |
519 |
op = op->head; |
520 |
|
521 |
sl << uint32 (op->env ? op->env->count : 0); |
522 |
|
523 |
add_object_to_socklist (*pl->contr->socket, sl, op); |
524 |
|
525 |
pl->contr->socket->send_packet (sl); |
526 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
527 |
} |
528 |
|
529 |
/** |
530 |
* Tells the client to delete an item. Uses the item |
531 |
* command with a -1 location. |
532 |
*/ |
533 |
|
534 |
void |
535 |
esrv_del_item (player *pl, int tag) |
536 |
{ |
537 |
packet sl; |
538 |
|
539 |
sl << "delitem " |
540 |
<< uint32 (tag); |
541 |
|
542 |
pl->socket->send_packet (sl); |
543 |
} |
544 |
|
545 |
|
546 |
/******************************************************************************* |
547 |
* |
548 |
* Client has requested us to do something with an object. |
549 |
* |
550 |
******************************************************************************/ |
551 |
|
552 |
/** |
553 |
* Takes a player and object count (tag) and returns the actual object |
554 |
* pointer, or null if it can't be found. |
555 |
*/ |
556 |
|
557 |
object * |
558 |
esrv_get_ob_from_count (object *pl, tag_t count) |
559 |
{ |
560 |
object *op, *tmp; |
561 |
|
562 |
if (pl->count == count) |
563 |
return pl; |
564 |
|
565 |
for (op = pl->inv; op; op = op->below) |
566 |
if (op->count == count) |
567 |
return op; |
568 |
else if (op->type == CONTAINER && pl->container == op) |
569 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
570 |
if (tmp->count == count) |
571 |
return tmp; |
572 |
|
573 |
for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) |
574 |
if (op->head && op->head->count == count) |
575 |
return op; |
576 |
else if (op->count == count) |
577 |
return op; |
578 |
else if (op->type == CONTAINER && pl->container == op) |
579 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
580 |
if (tmp->count == count) |
581 |
return tmp; |
582 |
|
583 |
return 0; |
584 |
} |
585 |
|
586 |
|
587 |
/** Client wants to examine some object. So lets do so. */ |
588 |
void |
589 |
ExamineCmd (char *buf, int len, player *pl) |
590 |
{ |
591 |
tag_t tag = atoi (buf); |
592 |
|
593 |
/* If the high bit is set, player examined a pseudo object. */ |
594 |
if (tag & 0x80000000) |
595 |
return; |
596 |
|
597 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
598 |
|
599 |
if (!op) |
600 |
{ |
601 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
602 |
return; |
603 |
} |
604 |
|
605 |
examine (pl->ob, op); |
606 |
} |
607 |
|
608 |
/** Client wants to apply some object. Lets do so. */ |
609 |
void |
610 |
ApplyCmd (char *buf, int len, player *pl) |
611 |
{ |
612 |
tag_t tag = atoi (buf); |
613 |
|
614 |
/* sort of a hack, but if the player saves and the player then manually |
615 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
616 |
*/ |
617 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
618 |
return; |
619 |
|
620 |
/* If the high bit is set, player applied a pseudo object. */ |
621 |
if (tag & 0x80000000) |
622 |
{ |
623 |
pl->socket->look_position = tag & 0x7fffffff; |
624 |
pl->socket->floorbox_update (); |
625 |
return; |
626 |
} |
627 |
|
628 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
629 |
|
630 |
if (!op) |
631 |
{ |
632 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
633 |
return; |
634 |
} |
635 |
|
636 |
player_apply (pl->ob, op, 0, 0); |
637 |
} |
638 |
|
639 |
/** Client wants to apply some object. Lets do so. */ |
640 |
void |
641 |
LockItem (char *data, int len, player *pl) |
642 |
{ |
643 |
int flag = data[0]; |
644 |
tag_t tag = net_uint32 ((uint8 *)data + 1); |
645 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
646 |
|
647 |
if (!op) |
648 |
{ |
649 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
650 |
return; |
651 |
} |
652 |
|
653 |
if (!flag) |
654 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
655 |
else |
656 |
SET_FLAG (op, FLAG_INV_LOCKED); |
657 |
|
658 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
659 |
} |
660 |
|
661 |
/** Client wants to apply some object. Lets do so. */ |
662 |
void |
663 |
MarkItem (char *data, int len, player *pl) |
664 |
{ |
665 |
tag_t tag = net_uint32 ((uint8 *)data); |
666 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
667 |
|
668 |
if (!op) |
669 |
{ |
670 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
671 |
return; |
672 |
} |
673 |
|
674 |
pl->mark = op; |
675 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
676 |
} |
677 |
|
678 |
/** |
679 |
* look_at prints items on the specified square. |
680 |
* |
681 |
* [ removed EARTHWALL check and added check for containers inventory. |
682 |
* Tero.Haatanen@lut.fi ] |
683 |
*/ |
684 |
void |
685 |
look_at (object *op, int dx, int dy) |
686 |
{ |
687 |
object *tmp; |
688 |
int flag = 0; |
689 |
sint16 x, y; |
690 |
maptile *m; |
691 |
|
692 |
x = op->x + dx; |
693 |
y = op->y + dy; |
694 |
|
695 |
if (out_of_map (op->map, x, y)) |
696 |
return; |
697 |
|
698 |
m = get_map_from_coord (op->map, &x, &y); |
699 |
if (!m) |
700 |
return; |
701 |
|
702 |
for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
703 |
|
704 |
for (; tmp != NULL; tmp = tmp->below) |
705 |
{ |
706 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
707 |
continue; |
708 |
|
709 |
if (!flag) |
710 |
{ |
711 |
if (dx || dy) |
712 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
713 |
else |
714 |
{ |
715 |
clear_win_info (op); |
716 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
717 |
} |
718 |
flag = 1; |
719 |
} |
720 |
|
721 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
722 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
723 |
else |
724 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
725 |
|
726 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
727 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
728 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
729 |
|
730 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
731 |
break; |
732 |
} |
733 |
|
734 |
if (!flag) |
735 |
{ |
736 |
if (dx || dy) |
737 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
738 |
else |
739 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
740 |
} |
741 |
} |
742 |
|
743 |
|
744 |
|
745 |
/** Client wants to look at some object. Lets do so. */ |
746 |
void |
747 |
LookAt (char *buf, int len, player *pl) |
748 |
{ |
749 |
int dx, dy; |
750 |
char *cp; |
751 |
|
752 |
dx = atoi (buf); |
753 |
if (!(cp = strchr (buf, ' '))) |
754 |
{ |
755 |
return; |
756 |
} |
757 |
dy = atoi (cp); |
758 |
|
759 |
if (FABS (dx) > pl->socket->mapx / 2 || FABS (dy) > pl->socket->mapy / 2) |
760 |
return; |
761 |
|
762 |
if (pl->blocked_los[dx + pl->socket->mapx / 2][dy + pl->socket->mapy / 2]) |
763 |
return; |
764 |
|
765 |
look_at (pl->ob, dx, dy); |
766 |
} |
767 |
|
768 |
/** Move an object to a new location */ |
769 |
void |
770 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
771 |
{ |
772 |
object *op, *env; |
773 |
|
774 |
op = esrv_get_ob_from_count (pl, tag); |
775 |
if (!op) |
776 |
{ |
777 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
778 |
return; |
779 |
} |
780 |
|
781 |
if (!to) |
782 |
{ /* drop it to the ground */ |
783 |
if (op->map && !op->env) |
784 |
return; |
785 |
|
786 |
/* If it is an active container, then we should drop all objects |
787 |
* in the container and not the container itself. |
788 |
*/ |
789 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
790 |
{ |
791 |
object *current, *next; |
792 |
|
793 |
for (current = op->inv; current != NULL; current = next) |
794 |
{ |
795 |
next = current->below; |
796 |
drop_object (pl, current, 0); |
797 |
} |
798 |
|
799 |
esrv_update_item (UPD_WEIGHT, pl, op); |
800 |
} |
801 |
else |
802 |
drop_object (pl, op, nrof); |
803 |
|
804 |
return; |
805 |
} |
806 |
else if (to == pl->count) |
807 |
{ /* pick it up to the inventory */ |
808 |
/* return if player has already picked it up */ |
809 |
if (op->env == pl) |
810 |
return; |
811 |
|
812 |
pl->contr->count = nrof; |
813 |
pick_up (pl, op); |
814 |
return; |
815 |
} |
816 |
|
817 |
env = esrv_get_ob_from_count (pl, to); |
818 |
if (!env) |
819 |
{ |
820 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
821 |
return; |
822 |
} |
823 |
|
824 |
/* put_object_in_sack presumes that necessary sanity checking |
825 |
* has already been done (eg, it can be picked up and fits in |
826 |
* in a sack, so check for those things. We should also check |
827 |
* an make sure env is in fact a container for that matter. |
828 |
*/ |
829 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
830 |
put_object_in_sack (pl, env, op, nrof); |
831 |
} |
832 |
|