1 |
/* |
2 |
* CrossFire, A Multiplayer game for X-windows |
3 |
* |
4 |
* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
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* Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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* Copyright (C) 1992 Frank Tore Johansen |
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* |
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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 |
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* 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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*/ |
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|
25 |
/** |
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* \file |
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* Client/server logic. |
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* |
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* \date 2003-12-02 |
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* |
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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 |
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* the logic for what items should be sent. |
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*/ |
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|
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 |
ns.send_face (head->face); |
270 |
|
271 |
if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
272 |
ns.send_animation (head->animation_id); |
273 |
|
274 |
sl << uint32 (head->count) |
275 |
<< uint32 (flags) |
276 |
<< uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
277 |
<< uint32 (head->face); |
278 |
|
279 |
if (!head->custom_name) |
280 |
{ |
281 |
strncpy (item_n, query_base_name (head, 0), 127); |
282 |
item_n[127] = 0; |
283 |
len = strlen (item_n); |
284 |
item_p = query_base_name (head, 1); |
285 |
} |
286 |
else |
287 |
{ |
288 |
strncpy (item_n, head->custom_name, 127); |
289 |
item_n[127] = 0; |
290 |
len = strlen (item_n); |
291 |
item_p = head->custom_name; |
292 |
} |
293 |
|
294 |
strncpy (item_n + len + 1, item_p, 127); |
295 |
item_n[254] = 0; |
296 |
len += strlen (item_n + 1 + len) + 1; |
297 |
|
298 |
sl << data8 (item_n, len) |
299 |
<< uint16 (head->animation_id); |
300 |
|
301 |
anim_speed = 0; |
302 |
if (QUERY_FLAG (head, FLAG_ANIMATE)) |
303 |
{ |
304 |
if (head->anim_speed) |
305 |
anim_speed = head->anim_speed; |
306 |
else |
307 |
{ |
308 |
if (fabs (head->speed) < 0.001) |
309 |
anim_speed = 255; |
310 |
else if (fabs (head->speed) >= 1.0) |
311 |
anim_speed = 1; |
312 |
else |
313 |
anim_speed = (int) (1.0 / fabs (head->speed)); |
314 |
} |
315 |
|
316 |
if (anim_speed > 255) |
317 |
anim_speed = 255; |
318 |
} |
319 |
|
320 |
sl << uint8 (anim_speed) |
321 |
<< uint32 (head->nrof); |
322 |
|
323 |
if (ns.itemcmd == 2) |
324 |
sl << uint16 (head->client_type); |
325 |
|
326 |
SET_FLAG (head, FLAG_CLIENT_SENT); |
327 |
} |
328 |
|
329 |
/** |
330 |
* Send the look window. Don't need to do animations here |
331 |
* This sends all the faces to the client, not just updates. This is |
332 |
* because object ordering would otherwise be inconsistent. |
333 |
*/ |
334 |
void |
335 |
esrv_draw_look (object *pl) |
336 |
{ |
337 |
int got_one = 0, start_look = 0, end_look = 0; |
338 |
|
339 |
if (!pl->contr->ns->update_look) |
340 |
{ |
341 |
LOG (llevDebug, "esrv_draw_look called when update_look was not set (player %s)\n", &pl->name); |
342 |
return; |
343 |
} |
344 |
else |
345 |
pl->contr->ns->update_look = 0; |
346 |
|
347 |
if (QUERY_FLAG (pl, FLAG_REMOVED) |
348 |
|| !pl->map |
349 |
|| pl->map->in_memory != MAP_IN_MEMORY |
350 |
|| out_of_map (pl->map, pl->x, pl->y)) |
351 |
return; |
352 |
|
353 |
pl->contr->ns->send_packet ("delinv 0"); |
354 |
|
355 |
packet sl; |
356 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
357 |
|
358 |
sl << uint32 (0); |
359 |
|
360 |
pl->contr->ns->send_face (empty_face); |
361 |
|
362 |
if (pl->contr->ns->look_position) |
363 |
{ |
364 |
char buf[80]; |
365 |
snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE); |
366 |
|
367 |
sl << uint32 (0x80000000 | (pl->contr->ns->look_position - FLOORBOX_PAGESIZE)) |
368 |
<< uint32 (0) |
369 |
<< sint32 (-1) |
370 |
<< uint32 (empty_face) |
371 |
<< data8 (buf) |
372 |
<< uint16 (0) |
373 |
<< uint8 (0) |
374 |
<< uint32 (0); |
375 |
|
376 |
if (pl->contr->ns->itemcmd == 2) |
377 |
sl << uint16 (0); |
378 |
} |
379 |
|
380 |
object *tmp = pl->ms ().top; |
381 |
for (object *last = 0; tmp != last; tmp = tmp->below) |
382 |
{ |
383 |
object *head; |
384 |
|
385 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
386 |
{ |
387 |
last = tmp->below; /* assumes double floor mode */ |
388 |
if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
389 |
last = last->below; |
390 |
} |
391 |
|
392 |
if (tmp->client_visible ()) |
393 |
{ |
394 |
if (++start_look < pl->contr->ns->look_position) |
395 |
continue; |
396 |
|
397 |
end_look++; |
398 |
|
399 |
if (end_look > FLOORBOX_PAGESIZE) |
400 |
{ |
401 |
/* What we basically do is make a 'fake' object - when the user applies it, |
402 |
* we notice the special tag the object has, and act accordingly. |
403 |
*/ |
404 |
sl << uint32 (0x80000000 | (pl->contr->ns->look_position + FLOORBOX_PAGESIZE)) |
405 |
<< uint32 (0) |
406 |
<< uint32 ((uint32) - 1) |
407 |
<< uint32 (empty_face) |
408 |
<< data8 ("Apply this to see next group of items") |
409 |
<< uint16 (0) |
410 |
<< uint8 (0) |
411 |
<< uint32 (0); |
412 |
|
413 |
if (pl->contr->ns->itemcmd == 2) |
414 |
sl << uint16 (0); |
415 |
|
416 |
break; |
417 |
} |
418 |
|
419 |
if (tmp->head) |
420 |
head = tmp->head; |
421 |
else |
422 |
head = tmp; |
423 |
|
424 |
add_object_to_socklist (*pl->contr->ns, sl, head); |
425 |
got_one++; |
426 |
|
427 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
428 |
{ |
429 |
pl->contr->ns->send_packet (sl); |
430 |
|
431 |
sl.reset (); |
432 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
433 |
sl << uint32 (0); |
434 |
got_one = 0; |
435 |
} |
436 |
} |
437 |
} |
438 |
|
439 |
if (got_one) |
440 |
pl->contr->ns->send_packet (sl); |
441 |
|
442 |
} |
443 |
|
444 |
/** |
445 |
* Sends whole inventory. |
446 |
*/ |
447 |
void |
448 |
esrv_send_inventory (object *pl, object *op) |
449 |
{ |
450 |
if (!pl->contr->ns)//D |
451 |
return; |
452 |
|
453 |
int got_one = 0; |
454 |
|
455 |
pl->contr->ns->send_packet_printf ("delinv %d", op->count); |
456 |
|
457 |
packet sl; |
458 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
459 |
|
460 |
sl << uint32 (op->count); |
461 |
|
462 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
463 |
{ |
464 |
object *head; |
465 |
|
466 |
if (tmp->head) |
467 |
head = tmp->head; |
468 |
else |
469 |
head = tmp; |
470 |
|
471 |
if (head->client_visible ()) |
472 |
{ |
473 |
add_object_to_socklist (*pl->contr->ns, sl, head); |
474 |
|
475 |
got_one++; |
476 |
|
477 |
/* IT is possible for players to accumulate a huge amount of |
478 |
* items (especially with some of the bags out there) to |
479 |
* overflow the buffer. IF so, send multiple item commands. |
480 |
*/ |
481 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
482 |
{ |
483 |
pl->contr->ns->send_packet (sl); |
484 |
|
485 |
sl.reset (); |
486 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
487 |
sl << uint32 (op->count); |
488 |
got_one = 0; |
489 |
} |
490 |
} |
491 |
} |
492 |
|
493 |
if (got_one) |
494 |
pl->contr->ns->send_packet (sl); |
495 |
} |
496 |
|
497 |
/** |
498 |
* Updates object *op for player *pl. |
499 |
* |
500 |
* flags is a list of values to update |
501 |
* to the client (as defined in newclient.h - might as well use the |
502 |
* same value both places. |
503 |
*/ |
504 |
void |
505 |
esrv_update_item (int flags, object *pl, object *op) |
506 |
{ |
507 |
/* If we have a request to send the player item, skip a few checks. */ |
508 |
if (op != pl) |
509 |
{ |
510 |
if (!op->client_visible ()) |
511 |
return; |
512 |
/* we remove the check for op->env, because in theory, the object |
513 |
* is hopefully in the same place, so the client should preserve |
514 |
* order. |
515 |
*/ |
516 |
} |
517 |
|
518 |
client *ns = pl->contr->ns; |
519 |
if (!ns) |
520 |
return; |
521 |
|
522 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
523 |
{ |
524 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
525 |
* this is happening - we can set a breakpoint here in the debugger |
526 |
* and track back the call. |
527 |
*/ |
528 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
529 |
} |
530 |
|
531 |
packet sl ("upditem"); |
532 |
|
533 |
sl << uint8 (flags); |
534 |
|
535 |
if (op->head) |
536 |
op = op->head; |
537 |
|
538 |
sl << uint32 (op->count); |
539 |
|
540 |
if (flags & UPD_LOCATION) |
541 |
sl << uint32 (op->env ? op->env->count : 0); |
542 |
|
543 |
if (flags & UPD_FLAGS) |
544 |
sl << uint32 (query_flags (op)); |
545 |
|
546 |
if (flags & UPD_WEIGHT) |
547 |
{ |
548 |
sint32 weight = WEIGHT (op); |
549 |
|
550 |
sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
551 |
|
552 |
if (pl == op) |
553 |
ns->last_weight = weight; |
554 |
} |
555 |
|
556 |
if (flags & UPD_FACE) |
557 |
{ |
558 |
ns->send_face (op->face); |
559 |
sl << uint32 (op->face); |
560 |
} |
561 |
|
562 |
if (flags & UPD_NAME) |
563 |
{ |
564 |
int len; |
565 |
const char *item_p; |
566 |
char item_n[MAX_BUF]; |
567 |
|
568 |
if (!op->custom_name) |
569 |
{ |
570 |
strncpy (item_n, query_base_name (op, 0), 127); |
571 |
item_n[127] = 0; |
572 |
len = strlen (item_n); |
573 |
item_p = query_base_name (op, 1); |
574 |
} |
575 |
else |
576 |
{ |
577 |
strncpy (item_n, op->custom_name, 127); |
578 |
item_n[127] = 0; |
579 |
len = strlen (item_n); |
580 |
item_p = op->custom_name; |
581 |
} |
582 |
|
583 |
strncpy (item_n + len + 1, item_p, 127); |
584 |
item_n[254] = 0; |
585 |
len += strlen (item_n + 1 + len) + 1; |
586 |
|
587 |
sl << data8 (item_n, len); |
588 |
} |
589 |
|
590 |
if (flags & UPD_ANIM) |
591 |
sl << uint16 (op->animation_id); |
592 |
|
593 |
if (flags & UPD_ANIMSPEED) |
594 |
{ |
595 |
int anim_speed = 0; |
596 |
|
597 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
598 |
{ |
599 |
if (op->anim_speed) |
600 |
anim_speed = op->anim_speed; |
601 |
else |
602 |
{ |
603 |
if (fabs (op->speed) < 0.001) |
604 |
anim_speed = 255; |
605 |
else if (fabs (op->speed) >= 1.0) |
606 |
anim_speed = 1; |
607 |
else |
608 |
anim_speed = (int) (1.0 / fabs (op->speed)); |
609 |
} |
610 |
|
611 |
if (anim_speed > 255) |
612 |
anim_speed = 255; |
613 |
} |
614 |
|
615 |
sl << uint8 (anim_speed); |
616 |
} |
617 |
|
618 |
if (flags & UPD_NROF) |
619 |
sl << uint32 (op->nrof); |
620 |
|
621 |
pl->contr->ns->send_packet (sl); |
622 |
} |
623 |
|
624 |
/** |
625 |
* Sends item's info to player. |
626 |
*/ |
627 |
void |
628 |
esrv_send_item (object *pl, object *op) |
629 |
{ |
630 |
if (!pl->contr->ns) |
631 |
return; |
632 |
|
633 |
/* If this is not the player object, do some more checks */ |
634 |
if (op != pl) |
635 |
{ |
636 |
/* We only send 'visibile' objects to the client */ |
637 |
if (!op->client_visible ()) |
638 |
return; |
639 |
|
640 |
/* if the item is on the ground, mark that the look needs to |
641 |
* be updated. |
642 |
*/ |
643 |
if (!op->env) |
644 |
{ |
645 |
pl->contr->ns->floorbox_update (); |
646 |
return; |
647 |
} |
648 |
} |
649 |
|
650 |
packet sl; |
651 |
|
652 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
653 |
|
654 |
if (op->head) |
655 |
op = op->head; |
656 |
|
657 |
sl << uint32 (op->env ? op->env->count : 0); |
658 |
|
659 |
add_object_to_socklist (*pl->contr->ns, sl, op); |
660 |
|
661 |
pl->contr->ns->send_packet (sl); |
662 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
663 |
} |
664 |
|
665 |
/** |
666 |
* Tells the client to delete an item. Uses the item |
667 |
* command with a -1 location. |
668 |
*/ |
669 |
void |
670 |
esrv_del_item (player *pl, int tag) |
671 |
{ |
672 |
if (!pl->ns) |
673 |
return; |
674 |
|
675 |
packet sl ("delitem"); |
676 |
|
677 |
sl << uint32 (tag); |
678 |
|
679 |
pl->ns->send_packet (sl); |
680 |
} |
681 |
|
682 |
|
683 |
/******************************************************************************* |
684 |
* |
685 |
* Client has requested us to do something with an object. |
686 |
* |
687 |
******************************************************************************/ |
688 |
|
689 |
/** |
690 |
* Takes a player and object count (tag) and returns the actual object |
691 |
* pointer, or null if it can't be found. |
692 |
*/ |
693 |
|
694 |
object * |
695 |
esrv_get_ob_from_count (object *pl, tag_t count) |
696 |
{ |
697 |
object *op, *tmp; |
698 |
|
699 |
if (pl->count == count) |
700 |
return pl; |
701 |
|
702 |
for (op = pl->inv; op; op = op->below) |
703 |
if (op->count == count) |
704 |
return op; |
705 |
else if (op->type == CONTAINER && pl->container == op) |
706 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
707 |
if (tmp->count == count) |
708 |
return tmp; |
709 |
|
710 |
for (op = GET_MAP_OB (pl->map, pl->x, pl->y); op; op = op->above) |
711 |
if (op->head && op->head->count == count) |
712 |
return op; |
713 |
else if (op->count == count) |
714 |
return op; |
715 |
else if (op->type == CONTAINER && pl->container == op) |
716 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
717 |
if (tmp->count == count) |
718 |
return tmp; |
719 |
|
720 |
return 0; |
721 |
} |
722 |
|
723 |
|
724 |
/** Client wants to examine some object. So lets do so. */ |
725 |
void |
726 |
ExamineCmd (char *buf, int len, player *pl) |
727 |
{ |
728 |
tag_t tag = atoi (buf); |
729 |
|
730 |
/* If the high bit is set, player examined a pseudo object. */ |
731 |
if (tag & 0x80000000) |
732 |
return; |
733 |
|
734 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
735 |
|
736 |
if (!op) |
737 |
{ |
738 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
739 |
return; |
740 |
} |
741 |
|
742 |
examine (pl->ob, op); |
743 |
} |
744 |
|
745 |
/** Client wants to apply some object. Lets do so. */ |
746 |
void |
747 |
ApplyCmd (char *buf, int len, player *pl) |
748 |
{ |
749 |
tag_t tag = atoi (buf); |
750 |
|
751 |
/* sort of a hack, but if the player saves and the player then manually |
752 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
753 |
*/ |
754 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
755 |
return; |
756 |
|
757 |
/* If the high bit is set, player applied a pseudo object. */ |
758 |
if (tag & 0x80000000) |
759 |
{ |
760 |
pl->ns->look_position = tag & 0x7fffffff; |
761 |
pl->ns->floorbox_update (); |
762 |
return; |
763 |
} |
764 |
|
765 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
766 |
|
767 |
if (!op) |
768 |
{ |
769 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
770 |
return; |
771 |
} |
772 |
|
773 |
player_apply (pl->ob, op, 0, 0); |
774 |
} |
775 |
|
776 |
/** Client wants to lock some object. Lets do so. */ |
777 |
void |
778 |
LockItem (char *data, int len, player *pl) |
779 |
{ |
780 |
int flag = data[0]; |
781 |
tag_t tag = net_uint32 ((uint8 *)data + 1); |
782 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
783 |
|
784 |
if (!op) |
785 |
{ |
786 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
787 |
return; |
788 |
} |
789 |
|
790 |
if (!flag) |
791 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
792 |
else |
793 |
SET_FLAG (op, FLAG_INV_LOCKED); |
794 |
|
795 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
796 |
} |
797 |
|
798 |
/** Client wants to mark some object. Lets do so. */ |
799 |
void |
800 |
MarkItem (char *data, int len, player *pl) |
801 |
{ |
802 |
tag_t tag = net_uint32 ((uint8 *)data); |
803 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
804 |
|
805 |
if (!op) |
806 |
{ |
807 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
808 |
return; |
809 |
} |
810 |
|
811 |
pl->mark = op; |
812 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
813 |
} |
814 |
|
815 |
/** |
816 |
* look_at prints items on the specified square. |
817 |
* |
818 |
* [ removed EARTHWALL check and added check for containers inventory. |
819 |
* Tero.Haatanen@lut.fi ] |
820 |
*/ |
821 |
void |
822 |
look_at (object *op, int dx, int dy) |
823 |
{ |
824 |
object *tmp; |
825 |
int flag = 0; |
826 |
sint16 x, y; |
827 |
maptile *m; |
828 |
|
829 |
x = op->x + dx; |
830 |
y = op->y + dy; |
831 |
|
832 |
if (out_of_map (op->map, x, y)) |
833 |
return; |
834 |
|
835 |
m = get_map_from_coord (op->map, &x, &y); |
836 |
if (!m) |
837 |
return; |
838 |
|
839 |
for (tmp = GET_MAP_OB (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
840 |
|
841 |
for (; tmp != NULL; tmp = tmp->below) |
842 |
{ |
843 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
844 |
continue; |
845 |
|
846 |
if (!flag) |
847 |
{ |
848 |
if (dx || dy) |
849 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
850 |
else |
851 |
{ |
852 |
clear_win_info (op); |
853 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
854 |
} |
855 |
flag = 1; |
856 |
} |
857 |
|
858 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
859 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
860 |
else |
861 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
862 |
|
863 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
864 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
865 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
866 |
|
867 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
868 |
break; |
869 |
} |
870 |
|
871 |
if (!flag) |
872 |
{ |
873 |
if (dx || dy) |
874 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
875 |
else |
876 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
877 |
} |
878 |
} |
879 |
|
880 |
/** Client wants to look at some object. Lets do so. */ |
881 |
void |
882 |
LookAt (char *buf, int len, player *pl) |
883 |
{ |
884 |
int dx, dy; |
885 |
char *cp; |
886 |
|
887 |
dx = atoi (buf); |
888 |
if (!(cp = strchr (buf, ' '))) |
889 |
{ |
890 |
return; |
891 |
} |
892 |
dy = atoi (cp); |
893 |
|
894 |
if (fabs (dx) > pl->ns->mapx / 2 || fabs (dy) > pl->ns->mapy / 2) |
895 |
return; |
896 |
|
897 |
if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2]) |
898 |
return; |
899 |
|
900 |
look_at (pl->ob, dx, dy); |
901 |
} |
902 |
|
903 |
/** Move an object to a new location */ |
904 |
void |
905 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
906 |
{ |
907 |
object *op, *env; |
908 |
|
909 |
op = esrv_get_ob_from_count (pl, tag); |
910 |
if (!op) |
911 |
{ |
912 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
913 |
return; |
914 |
} |
915 |
|
916 |
if (!to) |
917 |
{ /* drop it to the ground */ |
918 |
if (op->map && !op->env) |
919 |
return; |
920 |
|
921 |
/* If it is an active container, then we should drop all objects |
922 |
* in the container and not the container itself. |
923 |
*/ |
924 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
925 |
{ |
926 |
object *current, *next; |
927 |
|
928 |
for (current = op->inv; current != NULL; current = next) |
929 |
{ |
930 |
next = current->below; |
931 |
drop_object (pl, current, 0); |
932 |
} |
933 |
|
934 |
esrv_update_item (UPD_WEIGHT, pl, op); |
935 |
} |
936 |
else |
937 |
drop_object (pl, op, nrof); |
938 |
|
939 |
return; |
940 |
} |
941 |
else if (to == pl->count) |
942 |
{ /* pick it up to the inventory */ |
943 |
/* return if player has already picked it up */ |
944 |
if (op->env == pl) |
945 |
return; |
946 |
|
947 |
pl->contr->count = nrof; |
948 |
pick_up (pl, op); |
949 |
return; |
950 |
} |
951 |
|
952 |
env = esrv_get_ob_from_count (pl, to); |
953 |
if (!env) |
954 |
{ |
955 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
956 |
return; |
957 |
} |
958 |
|
959 |
/* put_object_in_sack presumes that necessary sanity checking |
960 |
* has already been done (eg, it can be picked up and fits in |
961 |
* in a sack, so check for those things. We should also check |
962 |
* an make sure env is in fact a container for that matter. |
963 |
*/ |
964 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
965 |
put_object_in_sack (pl, env, op, nrof); |
966 |
} |
967 |
|