1 |
/* |
2 |
* CrossFire, A Multiplayer game for X-windows |
3 |
* |
4 |
* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
5 |
* Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
6 |
* Copyright (C) 1992 Frank Tore Johansen |
7 |
* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
20 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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* The author can be reached via e-mail to <crossfire@schmorp.de> |
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*/ |
24 |
|
25 |
/** |
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* \file |
27 |
* Client/server logic. |
28 |
* |
29 |
* \date 2003-12-02 |
30 |
* |
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* This contains item logic for client/server. It doesn't contain |
32 |
* the actual commands that send the data, but does contain |
33 |
* the logic for what items should be sent. |
34 |
*/ |
35 |
|
36 |
#include <global.h> |
37 |
#include <object.h> |
38 |
#include <sproto.h> |
39 |
|
40 |
/** This is the maximum number of bytes we expect any one item to take up */ |
41 |
#define MAXITEMLEN 300 |
42 |
|
43 |
#if 0 |
44 |
tag_t |
45 |
client_container::tag () const |
46 |
{ |
47 |
switch (type) |
48 |
{ |
49 |
case CC_INVENTORY: |
50 |
return ns->pl->count; |
51 |
case CC_MAPSPACE: |
52 |
return 0; |
53 |
case CC_CONTAINER: |
54 |
return env->count; |
55 |
} |
56 |
|
57 |
abort (); |
58 |
} |
59 |
|
60 |
void |
61 |
client_container::clear () |
62 |
{ |
63 |
switch (type) |
64 |
{ |
65 |
case CC_INVENTORY: |
66 |
abort (); |
67 |
|
68 |
case CC_MAPSPACE: |
69 |
case CC_CONTAINER: |
70 |
ns->send_packet_printf ("delinv %d", tag ()); |
71 |
break; |
72 |
} |
73 |
|
74 |
for (iterator i = begin (); i != end (); ++i) |
75 |
i->op->seen_by = 0; |
76 |
|
77 |
vector< refitem, slice_allocator<refitem> >::clear (); |
78 |
} |
79 |
|
80 |
inline iterator |
81 |
client_container::merge_item (iterator i, object *op) |
82 |
{ |
83 |
if (i != end () && i->op == op) |
84 |
return ++i; |
85 |
|
86 |
if (op->seen_by) |
87 |
return; // seen by another entity already |
88 |
|
89 |
op->seen_by = this; |
90 |
|
91 |
refitem ref; |
92 |
ref.op = op; |
93 |
|
94 |
return insert (i, ref); |
95 |
} |
96 |
|
97 |
void |
98 |
client_container::update (int offset) |
99 |
{ |
100 |
iterator i = begin (); |
101 |
|
102 |
switch (type) |
103 |
{ |
104 |
case CC_INVENTORY: |
105 |
case CC_CONTAINER: |
106 |
{ |
107 |
object *env = type == CC_INVENTORY |
108 |
? ns->pl->ob |
109 |
: this->env; |
110 |
|
111 |
// pass 1, erase all objects no longer in container |
112 |
for (iterator j = begin (); j != end (); ++j) |
113 |
if (j->op->env != env) |
114 |
{ |
115 |
j->op->seen_by = 0; |
116 |
erase (j); |
117 |
} |
118 |
|
119 |
// pass 2 merge items |
120 |
for (object *op = env->inv; op; op = op->below) |
121 |
{ |
122 |
if (--offset < 0) |
123 |
i = merge_item (i, op); |
124 |
else if (offset < -FLOORBOX_PAGESIZE) |
125 |
break; |
126 |
} |
127 |
} |
128 |
break; |
129 |
|
130 |
case CC_MAPSPACE: |
131 |
{ |
132 |
// pass 1, erase all objects no longer on space |
133 |
for (iterator j = begin (); j != end (); ++j) |
134 |
if (j->op->x != x || j->op->y != y || j->op->map != map) |
135 |
{ |
136 |
j->op->seen_by = 0; |
137 |
erase (j); |
138 |
} |
139 |
|
140 |
// pass 2 merge items |
141 |
for (object *op = GET_MAP_OB (map, x, y); op; op = op->above) |
142 |
{ |
143 |
if (--offset < 0) |
144 |
i = merge_item (i, op); |
145 |
else if (offset < -FLOORBOX_PAGESIZE) |
146 |
break; |
147 |
} |
148 |
} |
149 |
break; |
150 |
} |
151 |
|
152 |
// pass 3, erase all extra items |
153 |
for (iterator j = i; j != end (); ++j) |
154 |
j->op->seen_by = 0; |
155 |
|
156 |
if (i != end ()) |
157 |
erase (i, end ()); |
158 |
} |
159 |
|
160 |
void |
161 |
client_container::set_mapspace (maptile *map, int x, int y) |
162 |
{ |
163 |
if (type == CC_MAPSPACE |
164 |
&& this->map == map |
165 |
&& this->x == x |
166 |
&& this->y == y) |
167 |
return; |
168 |
|
169 |
clear (); |
170 |
|
171 |
type = CC_MAPSPACE; |
172 |
this->map = map; |
173 |
this->x = x; |
174 |
this->y = y; |
175 |
} |
176 |
|
177 |
void |
178 |
client_container::set_container (object *env) |
179 |
{ |
180 |
} |
181 |
#endif |
182 |
|
183 |
/******************************************************************************* |
184 |
* |
185 |
* Functions related to sending object data to the client. |
186 |
* |
187 |
******************************************************************************/ |
188 |
|
189 |
/** |
190 |
* This is a similar to query_name, but returns flags |
191 |
* to be sent to client. |
192 |
*/ |
193 |
unsigned int |
194 |
query_flags (object *op) |
195 |
{ |
196 |
unsigned int flags = 0; |
197 |
|
198 |
if (QUERY_FLAG (op, FLAG_APPLIED)) |
199 |
{ |
200 |
switch (op->type) |
201 |
{ |
202 |
case BOW: |
203 |
case WAND: |
204 |
case ROD: |
205 |
case HORN: |
206 |
flags = a_readied; |
207 |
break; |
208 |
case WEAPON: |
209 |
flags = a_wielded; |
210 |
break; |
211 |
case SKILL: |
212 |
case ARMOUR: |
213 |
case HELMET: |
214 |
case SHIELD: |
215 |
case RING: |
216 |
case BOOTS: |
217 |
case GLOVES: |
218 |
case AMULET: |
219 |
case GIRDLE: |
220 |
case BRACERS: |
221 |
case CLOAK: |
222 |
flags = a_worn; |
223 |
break; |
224 |
case CONTAINER: |
225 |
flags = a_active; |
226 |
break; |
227 |
default: |
228 |
flags = a_applied; |
229 |
break; |
230 |
} |
231 |
} |
232 |
|
233 |
if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED)))) |
234 |
flags |= F_OPEN; |
235 |
|
236 |
if (QUERY_FLAG (op, FLAG_KNOWN_CURSED)) |
237 |
{ |
238 |
if (QUERY_FLAG (op, FLAG_DAMNED)) |
239 |
flags |= F_DAMNED; |
240 |
else if (QUERY_FLAG (op, FLAG_CURSED)) |
241 |
flags |= F_CURSED; |
242 |
} |
243 |
|
244 |
if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
245 |
flags |= F_MAGIC; |
246 |
if (QUERY_FLAG (op, FLAG_UNPAID)) |
247 |
flags |= F_UNPAID; |
248 |
if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
249 |
flags |= F_LOCKED; |
250 |
|
251 |
return flags; |
252 |
} |
253 |
|
254 |
/* Used in the send_look to put object head into packet |
255 |
* sl for socket ns. Need socket to know if we need to send |
256 |
* animation of face to the client. |
257 |
*/ |
258 |
static void |
259 |
add_object_to_socklist (client &ns, packet &sl, object *head) |
260 |
{ |
261 |
int flags, len, anim_speed; |
262 |
char item_n[MAX_BUF]; |
263 |
const char *item_p; |
264 |
|
265 |
flags = query_flags (head); |
266 |
if (QUERY_FLAG (head, FLAG_NO_PICK)) |
267 |
flags |= F_NOPICK; |
268 |
|
269 |
if (!(ns.faces_sent[head->face->number] & NS_FACESENT_FACE)) |
270 |
esrv_send_face (&ns, head->face->number, 0); |
271 |
|
272 |
if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
273 |
esrv_send_animation (&ns, head->animation_id); |
274 |
|
275 |
sl << uint32 (head->count) |
276 |
<< uint32 (flags) |
277 |
<< uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
278 |
<< uint32 (head->face->number); |
279 |
|
280 |
if (!head->custom_name) |
281 |
{ |
282 |
strncpy (item_n, query_base_name (head, 0), 127); |
283 |
item_n[127] = 0; |
284 |
len = strlen (item_n); |
285 |
item_p = query_base_name (head, 1); |
286 |
} |
287 |
else |
288 |
{ |
289 |
strncpy (item_n, head->custom_name, 127); |
290 |
item_n[127] = 0; |
291 |
len = strlen (item_n); |
292 |
item_p = head->custom_name; |
293 |
} |
294 |
|
295 |
strncpy (item_n + len + 1, item_p, 127); |
296 |
item_n[254] = 0; |
297 |
len += strlen (item_n + 1 + len) + 1; |
298 |
|
299 |
sl << data8 (item_n, len) |
300 |
<< uint16 (head->animation_id); |
301 |
|
302 |
anim_speed = 0; |
303 |
if (QUERY_FLAG (head, FLAG_ANIMATE)) |
304 |
{ |
305 |
if (head->anim_speed) |
306 |
anim_speed = head->anim_speed; |
307 |
else |
308 |
{ |
309 |
if (fabs (head->speed) < 0.001) |
310 |
anim_speed = 255; |
311 |
else if (fabs (head->speed) >= 1.0) |
312 |
anim_speed = 1; |
313 |
else |
314 |
anim_speed = (int) (1.0 / fabs (head->speed)); |
315 |
} |
316 |
|
317 |
if (anim_speed > 255) |
318 |
anim_speed = 255; |
319 |
} |
320 |
|
321 |
sl << uint8 (anim_speed) |
322 |
<< uint32 (head->nrof); |
323 |
|
324 |
if (ns.itemcmd == 2) |
325 |
sl << uint16 (head->client_type); |
326 |
|
327 |
SET_FLAG (head, FLAG_CLIENT_SENT); |
328 |
} |
329 |
|
330 |
/** |
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 |
333 |
* because object ordering would otherwise be inconsistent. |
334 |
*/ |
335 |
void |
336 |
esrv_draw_look (object *pl) |
337 |
{ |
338 |
int got_one = 0, start_look = 0, end_look = 0; |
339 |
char buf[MAX_BUF]; |
340 |
|
341 |
if (!pl->contr->ns->update_look) |
342 |
{ |
343 |
LOG (llevDebug, "esrv_draw_look called when update_look was not set (player %s)\n", &pl->name); |
344 |
return; |
345 |
} |
346 |
else |
347 |
pl->contr->ns->update_look = 0; |
348 |
|
349 |
if (QUERY_FLAG (pl, FLAG_REMOVED) |
350 |
|| !pl->map |
351 |
|| pl->map->in_memory != MAP_IN_MEMORY |
352 |
|| out_of_map (pl->map, pl->x, pl->y)) |
353 |
return; |
354 |
|
355 |
pl->contr->ns->send_packet ("delinv 0"); |
356 |
|
357 |
packet sl; |
358 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
359 |
|
360 |
sl << uint32 (0); |
361 |
|
362 |
if (!(pl->contr->ns->faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
363 |
esrv_send_face (pl->contr->ns, empty_face->number, 0); |
364 |
|
365 |
if (pl->contr->ns->look_position) |
366 |
{ |
367 |
char buf[80]; |
368 |
snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE); |
369 |
|
370 |
sl << uint32 (0x80000000 | (pl->contr->ns->look_position - FLOORBOX_PAGESIZE)) |
371 |
<< uint32 (0) |
372 |
<< sint32 (-1) |
373 |
<< uint32 (empty_face->number) |
374 |
<< data8 (buf) |
375 |
<< uint16 (0) |
376 |
<< uint8 (0) |
377 |
<< uint32 (0); |
378 |
|
379 |
if (pl->contr->ns->itemcmd == 2) |
380 |
sl << uint16 (0); |
381 |
} |
382 |
|
383 |
object *tmp = pl->ms ().top; |
384 |
for (object *last = 0; tmp != last; tmp = tmp->below) |
385 |
{ |
386 |
object *head; |
387 |
|
388 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
389 |
{ |
390 |
last = tmp->below; /* assumes double floor mode */ |
391 |
if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
392 |
last = last->below; |
393 |
} |
394 |
|
395 |
if (tmp->client_visible ()) |
396 |
{ |
397 |
if (++start_look < pl->contr->ns->look_position) |
398 |
continue; |
399 |
|
400 |
end_look++; |
401 |
|
402 |
if (end_look > FLOORBOX_PAGESIZE) |
403 |
{ |
404 |
/* What we basically do is make a 'fake' object - when the user applies it, |
405 |
* we notice the special tag the object has, and act accordingly. |
406 |
*/ |
407 |
sl << uint32 (0x80000000 | (pl->contr->ns->look_position + FLOORBOX_PAGESIZE)) |
408 |
<< uint32 (0) |
409 |
<< uint32 ((uint32) - 1) |
410 |
<< uint32 (empty_face->number) |
411 |
<< data8 ("Apply this to see next group of items") |
412 |
<< uint16 (0) |
413 |
<< uint8 (0) |
414 |
<< uint32 (0); |
415 |
|
416 |
if (pl->contr->ns->itemcmd == 2) |
417 |
sl << uint16 (0); |
418 |
|
419 |
break; |
420 |
} |
421 |
|
422 |
if (tmp->head) |
423 |
head = tmp->head; |
424 |
else |
425 |
head = tmp; |
426 |
|
427 |
add_object_to_socklist (*pl->contr->ns, sl, head); |
428 |
got_one++; |
429 |
|
430 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
431 |
{ |
432 |
pl->contr->ns->send_packet (sl); |
433 |
|
434 |
sl.reset (); |
435 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
436 |
sl << uint32 (0); |
437 |
got_one = 0; |
438 |
} |
439 |
} |
440 |
} |
441 |
|
442 |
if (got_one) |
443 |
pl->contr->ns->send_packet (sl); |
444 |
|
445 |
} |
446 |
|
447 |
/** |
448 |
* Sends whole inventory. |
449 |
*/ |
450 |
void |
451 |
esrv_send_inventory (object *pl, object *op) |
452 |
{ |
453 |
if (!pl->contr->ns)//D |
454 |
return; |
455 |
|
456 |
int got_one = 0; |
457 |
|
458 |
pl->contr->ns->send_packet_printf ("delinv %d", op->count); |
459 |
|
460 |
packet sl; |
461 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
462 |
|
463 |
sl << uint32 (op->count); |
464 |
|
465 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
466 |
{ |
467 |
object *head; |
468 |
|
469 |
if (tmp->head) |
470 |
head = tmp->head; |
471 |
else |
472 |
head = tmp; |
473 |
|
474 |
if (head->client_visible ()) |
475 |
{ |
476 |
add_object_to_socklist (*pl->contr->ns, sl, head); |
477 |
|
478 |
got_one++; |
479 |
|
480 |
/* IT is possible for players to accumulate a huge amount of |
481 |
* items (especially with some of the bags out there) to |
482 |
* overflow the buffer. IF so, send multiple item commands. |
483 |
*/ |
484 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
485 |
{ |
486 |
pl->contr->ns->send_packet (sl); |
487 |
|
488 |
sl.reset (); |
489 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
490 |
sl << uint32 (op->count); |
491 |
got_one = 0; |
492 |
} |
493 |
} |
494 |
} |
495 |
|
496 |
if (got_one) |
497 |
pl->contr->ns->send_packet (sl); |
498 |
} |
499 |
|
500 |
/** |
501 |
* Updates object *op for player *pl. |
502 |
* |
503 |
* flags is a list of values to update |
504 |
* to the client (as defined in newclient.h - might as well use the |
505 |
* same value both places. |
506 |
*/ |
507 |
void |
508 |
esrv_update_item (int flags, object *pl, object *op) |
509 |
{ |
510 |
/* If we have a request to send the player item, skip a few checks. */ |
511 |
if (op != pl) |
512 |
{ |
513 |
if (!op->client_visible ()) |
514 |
return; |
515 |
/* we remove the check for op->env, because in theory, the object |
516 |
* is hopefully in the same place, so the client should preserve |
517 |
* order. |
518 |
*/ |
519 |
} |
520 |
|
521 |
client *ns = pl->contr->ns; |
522 |
if (!ns) |
523 |
return; |
524 |
|
525 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
526 |
{ |
527 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
528 |
* this is happening - we can set a breakpoint here in the debugger |
529 |
* and track back the call. |
530 |
*/ |
531 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
532 |
} |
533 |
|
534 |
packet sl ("upditem"); |
535 |
|
536 |
sl << uint8 (flags); |
537 |
|
538 |
if (op->head) |
539 |
op = op->head; |
540 |
|
541 |
sl << uint32 (op->count); |
542 |
|
543 |
if (flags & UPD_LOCATION) |
544 |
sl << uint32 (op->env ? op->env->count : 0); |
545 |
|
546 |
if (flags & UPD_FLAGS) |
547 |
sl << uint32 (query_flags (op)); |
548 |
|
549 |
if (flags & UPD_WEIGHT) |
550 |
{ |
551 |
sint32 weight = WEIGHT (op); |
552 |
|
553 |
sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
554 |
|
555 |
if (pl == op) |
556 |
ns->last_weight = weight; |
557 |
} |
558 |
|
559 |
if (flags & UPD_FACE) |
560 |
{ |
561 |
if (!(ns->faces_sent[op->face->number] & NS_FACESENT_FACE)) |
562 |
esrv_send_face (ns, op->face->number, 0); |
563 |
|
564 |
sl << uint32 (op->face->number); |
565 |
} |
566 |
|
567 |
if (flags & UPD_NAME) |
568 |
{ |
569 |
int len; |
570 |
const char *item_p; |
571 |
char item_n[MAX_BUF]; |
572 |
|
573 |
if (!op->custom_name) |
574 |
{ |
575 |
strncpy (item_n, query_base_name (op, 0), 127); |
576 |
item_n[127] = 0; |
577 |
len = strlen (item_n); |
578 |
item_p = query_base_name (op, 1); |
579 |
} |
580 |
else |
581 |
{ |
582 |
strncpy (item_n, op->custom_name, 127); |
583 |
item_n[127] = 0; |
584 |
len = strlen (item_n); |
585 |
item_p = op->custom_name; |
586 |
} |
587 |
|
588 |
strncpy (item_n + len + 1, item_p, 127); |
589 |
item_n[254] = 0; |
590 |
len += strlen (item_n + 1 + len) + 1; |
591 |
|
592 |
sl << data8 (item_n, len); |
593 |
} |
594 |
|
595 |
if (flags & UPD_ANIM) |
596 |
sl << uint16 (op->animation_id); |
597 |
|
598 |
if (flags & UPD_ANIMSPEED) |
599 |
{ |
600 |
int anim_speed = 0; |
601 |
|
602 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
603 |
{ |
604 |
if (op->anim_speed) |
605 |
anim_speed = op->anim_speed; |
606 |
else |
607 |
{ |
608 |
if (fabs (op->speed) < 0.001) |
609 |
anim_speed = 255; |
610 |
else if (fabs (op->speed) >= 1.0) |
611 |
anim_speed = 1; |
612 |
else |
613 |
anim_speed = (int) (1.0 / fabs (op->speed)); |
614 |
} |
615 |
|
616 |
if (anim_speed > 255) |
617 |
anim_speed = 255; |
618 |
} |
619 |
|
620 |
sl << uint8 (anim_speed); |
621 |
} |
622 |
|
623 |
if (flags & UPD_NROF) |
624 |
sl << uint32 (op->nrof); |
625 |
|
626 |
pl->contr->ns->send_packet (sl); |
627 |
} |
628 |
|
629 |
/** |
630 |
* Sends item's info to player. |
631 |
*/ |
632 |
void |
633 |
esrv_send_item (object *pl, object *op) |
634 |
{ |
635 |
if (!pl->contr->ns) |
636 |
return; |
637 |
|
638 |
/* If this is not the player object, do some more checks */ |
639 |
if (op != pl) |
640 |
{ |
641 |
/* We only send 'visibile' objects to the client */ |
642 |
if (!op->client_visible ()) |
643 |
return; |
644 |
|
645 |
/* if the item is on the ground, mark that the look needs to |
646 |
* be updated. |
647 |
*/ |
648 |
if (!op->env) |
649 |
{ |
650 |
pl->contr->ns->floorbox_update (); |
651 |
return; |
652 |
} |
653 |
} |
654 |
|
655 |
packet sl; |
656 |
|
657 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
658 |
|
659 |
if (op->head) |
660 |
op = op->head; |
661 |
|
662 |
sl << uint32 (op->env ? op->env->count : 0); |
663 |
|
664 |
add_object_to_socklist (*pl->contr->ns, sl, op); |
665 |
|
666 |
pl->contr->ns->send_packet (sl); |
667 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
668 |
} |
669 |
|
670 |
/** |
671 |
* Tells the client to delete an item. Uses the item |
672 |
* command with a -1 location. |
673 |
*/ |
674 |
void |
675 |
esrv_del_item (player *pl, int tag) |
676 |
{ |
677 |
if (!pl->ns) |
678 |
return; |
679 |
|
680 |
packet sl ("delitem"); |
681 |
|
682 |
sl << uint32 (tag); |
683 |
|
684 |
pl->ns->send_packet (sl); |
685 |
} |
686 |
|
687 |
|
688 |
/******************************************************************************* |
689 |
* |
690 |
* Client has requested us to do something with an object. |
691 |
* |
692 |
******************************************************************************/ |
693 |
|
694 |
/** |
695 |
* Takes a player and object count (tag) and returns the actual object |
696 |
* pointer, or null if it can't be found. |
697 |
*/ |
698 |
|
699 |
object * |
700 |
esrv_get_ob_from_count (object *pl, tag_t count) |
701 |
{ |
702 |
object *op, *tmp; |
703 |
|
704 |
if (pl->count == count) |
705 |
return pl; |
706 |
|
707 |
for (op = pl->inv; op; op = op->below) |
708 |
if (op->count == count) |
709 |
return op; |
710 |
else if (op->type == CONTAINER && pl->container == op) |
711 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
712 |
if (tmp->count == count) |
713 |
return tmp; |
714 |
|
715 |
for (op = GET_MAP_OB (pl->map, pl->x, pl->y); op; op = op->above) |
716 |
if (op->head && op->head->count == count) |
717 |
return op; |
718 |
else if (op->count == count) |
719 |
return op; |
720 |
else if (op->type == CONTAINER && pl->container == op) |
721 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
722 |
if (tmp->count == count) |
723 |
return tmp; |
724 |
|
725 |
return 0; |
726 |
} |
727 |
|
728 |
|
729 |
/** Client wants to examine some object. So lets do so. */ |
730 |
void |
731 |
ExamineCmd (char *buf, int len, player *pl) |
732 |
{ |
733 |
tag_t tag = atoi (buf); |
734 |
|
735 |
/* If the high bit is set, player examined a pseudo object. */ |
736 |
if (tag & 0x80000000) |
737 |
return; |
738 |
|
739 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
740 |
|
741 |
if (!op) |
742 |
{ |
743 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
744 |
return; |
745 |
} |
746 |
|
747 |
examine (pl->ob, op); |
748 |
} |
749 |
|
750 |
/** Client wants to apply some object. Lets do so. */ |
751 |
void |
752 |
ApplyCmd (char *buf, int len, player *pl) |
753 |
{ |
754 |
tag_t tag = atoi (buf); |
755 |
|
756 |
/* sort of a hack, but if the player saves and the player then manually |
757 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
758 |
*/ |
759 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
760 |
return; |
761 |
|
762 |
/* If the high bit is set, player applied a pseudo object. */ |
763 |
if (tag & 0x80000000) |
764 |
{ |
765 |
pl->ns->look_position = tag & 0x7fffffff; |
766 |
pl->ns->floorbox_update (); |
767 |
return; |
768 |
} |
769 |
|
770 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
771 |
|
772 |
if (!op) |
773 |
{ |
774 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
775 |
return; |
776 |
} |
777 |
|
778 |
player_apply (pl->ob, op, 0, 0); |
779 |
} |
780 |
|
781 |
/** Client wants to lock some object. Lets do so. */ |
782 |
void |
783 |
LockItem (char *data, int len, player *pl) |
784 |
{ |
785 |
int flag = data[0]; |
786 |
tag_t tag = net_uint32 ((uint8 *)data + 1); |
787 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
788 |
|
789 |
if (!op) |
790 |
{ |
791 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
792 |
return; |
793 |
} |
794 |
|
795 |
if (!flag) |
796 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
797 |
else |
798 |
SET_FLAG (op, FLAG_INV_LOCKED); |
799 |
|
800 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
801 |
} |
802 |
|
803 |
/** Client wants to mark some object. Lets do so. */ |
804 |
void |
805 |
MarkItem (char *data, int len, player *pl) |
806 |
{ |
807 |
tag_t tag = net_uint32 ((uint8 *)data); |
808 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
809 |
|
810 |
if (!op) |
811 |
{ |
812 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
813 |
return; |
814 |
} |
815 |
|
816 |
pl->mark = op; |
817 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
818 |
} |
819 |
|
820 |
/** |
821 |
* look_at prints items on the specified square. |
822 |
* |
823 |
* [ removed EARTHWALL check and added check for containers inventory. |
824 |
* Tero.Haatanen@lut.fi ] |
825 |
*/ |
826 |
void |
827 |
look_at (object *op, int dx, int dy) |
828 |
{ |
829 |
object *tmp; |
830 |
int flag = 0; |
831 |
sint16 x, y; |
832 |
maptile *m; |
833 |
|
834 |
x = op->x + dx; |
835 |
y = op->y + dy; |
836 |
|
837 |
if (out_of_map (op->map, x, y)) |
838 |
return; |
839 |
|
840 |
m = get_map_from_coord (op->map, &x, &y); |
841 |
if (!m) |
842 |
return; |
843 |
|
844 |
for (tmp = GET_MAP_OB (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
845 |
|
846 |
for (; tmp != NULL; tmp = tmp->below) |
847 |
{ |
848 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
849 |
continue; |
850 |
|
851 |
if (!flag) |
852 |
{ |
853 |
if (dx || dy) |
854 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
855 |
else |
856 |
{ |
857 |
clear_win_info (op); |
858 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
859 |
} |
860 |
flag = 1; |
861 |
} |
862 |
|
863 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
864 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
865 |
else |
866 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
867 |
|
868 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
869 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
870 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
871 |
|
872 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
873 |
break; |
874 |
} |
875 |
|
876 |
if (!flag) |
877 |
{ |
878 |
if (dx || dy) |
879 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
880 |
else |
881 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
882 |
} |
883 |
} |
884 |
|
885 |
/** Client wants to look at some object. Lets do so. */ |
886 |
void |
887 |
LookAt (char *buf, int len, player *pl) |
888 |
{ |
889 |
int dx, dy; |
890 |
char *cp; |
891 |
|
892 |
dx = atoi (buf); |
893 |
if (!(cp = strchr (buf, ' '))) |
894 |
{ |
895 |
return; |
896 |
} |
897 |
dy = atoi (cp); |
898 |
|
899 |
if (fabs (dx) > pl->ns->mapx / 2 || fabs (dy) > pl->ns->mapy / 2) |
900 |
return; |
901 |
|
902 |
if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2]) |
903 |
return; |
904 |
|
905 |
look_at (pl->ob, dx, dy); |
906 |
} |
907 |
|
908 |
/** Move an object to a new location */ |
909 |
void |
910 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
911 |
{ |
912 |
object *op, *env; |
913 |
|
914 |
op = esrv_get_ob_from_count (pl, tag); |
915 |
if (!op) |
916 |
{ |
917 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
918 |
return; |
919 |
} |
920 |
|
921 |
if (!to) |
922 |
{ /* drop it to the ground */ |
923 |
if (op->map && !op->env) |
924 |
return; |
925 |
|
926 |
/* If it is an active container, then we should drop all objects |
927 |
* in the container and not the container itself. |
928 |
*/ |
929 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
930 |
{ |
931 |
object *current, *next; |
932 |
|
933 |
for (current = op->inv; current != NULL; current = next) |
934 |
{ |
935 |
next = current->below; |
936 |
drop_object (pl, current, 0); |
937 |
} |
938 |
|
939 |
esrv_update_item (UPD_WEIGHT, pl, op); |
940 |
} |
941 |
else |
942 |
drop_object (pl, op, nrof); |
943 |
|
944 |
return; |
945 |
} |
946 |
else if (to == pl->count) |
947 |
{ /* pick it up to the inventory */ |
948 |
/* return if player has already picked it up */ |
949 |
if (op->env == pl) |
950 |
return; |
951 |
|
952 |
pl->contr->count = nrof; |
953 |
pick_up (pl, op); |
954 |
return; |
955 |
} |
956 |
|
957 |
env = esrv_get_ob_from_count (pl, to); |
958 |
if (!env) |
959 |
{ |
960 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
961 |
return; |
962 |
} |
963 |
|
964 |
/* put_object_in_sack presumes that necessary sanity checking |
965 |
* has already been done (eg, it can be picked up and fits in |
966 |
* in a sack, so check for those things. We should also check |
967 |
* an make sure env is in fact a container for that matter. |
968 |
*/ |
969 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
970 |
put_object_in_sack (pl, env, op, nrof); |
971 |
} |
972 |
|