1 |
/* |
2 |
* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 |
* |
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* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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* Copyright (©) 2002 Mark Wedel & Crossfire Development Team |
6 |
* Copyright (©) 1992 Frank Tore Johansen |
7 |
* |
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* Deliantra is free software: you can redistribute it and/or modify it under |
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* the terms of the Affero GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* 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 Affero GNU General Public License |
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* and the GNU General Public License along with this program. If not, see |
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* <http://www.gnu.org/licenses/>. |
21 |
* |
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* The authors can be reached via e-mail to <support@deliantra.net> |
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*/ |
24 |
|
25 |
/** |
26 |
* \file |
27 |
* Client/server logic. |
28 |
* |
29 |
* \date 2003-12-02 |
30 |
* |
31 |
* 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 |
/******************************************************************************* |
44 |
* |
45 |
* Functions related to sending object data to the client. |
46 |
* |
47 |
******************************************************************************/ |
48 |
|
49 |
/** |
50 |
* This is a similar to query_name, but returns flags |
51 |
* to be sent to client. |
52 |
*/ |
53 |
static unsigned int |
54 |
query_flags (object *op) |
55 |
{ |
56 |
unsigned int flags = 0; |
57 |
|
58 |
if (op->flag [FLAG_APPLIED]) |
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 |
if (op->is_open_container ()) |
92 |
flags |= F_OPEN; |
93 |
|
94 |
if (op->flag [FLAG_KNOWN_CURSED]) |
95 |
{ |
96 |
if (op->flag [FLAG_DAMNED]) |
97 |
flags |= F_DAMNED; |
98 |
else if (op->flag [FLAG_CURSED]) |
99 |
flags |= F_CURSED; |
100 |
} |
101 |
|
102 |
if (op->flag [FLAG_KNOWN_MAGICAL] && !op->flag [FLAG_IDENTIFIED]) |
103 |
flags |= F_MAGIC; |
104 |
if (op->flag [FLAG_UNPAID]) |
105 |
flags |= F_UNPAID; |
106 |
if (op->flag [FLAG_INV_LOCKED]) |
107 |
flags |= F_LOCKED; |
108 |
|
109 |
return flags; |
110 |
} |
111 |
|
112 |
/* Used in the send_look to put object head into packet |
113 |
* sl for socket ns. Need socket to know if we need to send |
114 |
* animation of face to the client. |
115 |
*/ |
116 |
static void |
117 |
add_object_to_socklist (client &ns, packet &sl, object *head) |
118 |
{ |
119 |
int flags = query_flags (head); |
120 |
|
121 |
if (head->flag [FLAG_NO_PICK]) |
122 |
flags |= F_NOPICK; |
123 |
|
124 |
ns.send_face (head->face, -50); |
125 |
|
126 |
if (head->flag [FLAG_ANIMATE] && !ns.anims_sent[head->animation_id]) |
127 |
ns.send_animation (head->animation_id); |
128 |
|
129 |
sl << uint32 (head->count) |
130 |
<< uint32 (flags) |
131 |
<< uint32 (head->flag [FLAG_NO_PICK] ? -1 : head->client_weight ()) |
132 |
<< uint32 (head->face); |
133 |
|
134 |
if (!head->custom_name) |
135 |
{ |
136 |
const char *name; |
137 |
uint8 *len = sl.cur++; // patch up length later |
138 |
|
139 |
name = query_base_name (head, 0); sl << data (name, min (127, strlen (name))); |
140 |
sl << uint8 (0); |
141 |
name = query_base_name (head, 1); sl << data (name, min (127, strlen (name))); |
142 |
|
143 |
*len = sl.cur - len - 1; |
144 |
} |
145 |
else |
146 |
{ |
147 |
int len = min (head->custom_name.length (), 127); |
148 |
|
149 |
sl << uint8 (len * 2 + 1) |
150 |
<< data (head->custom_name, len) |
151 |
<< uint8 (0) |
152 |
<< data (head->custom_name, len); |
153 |
} |
154 |
|
155 |
sl << uint16 (head->animation_id); |
156 |
|
157 |
int anim_speed = !head->flag [FLAG_ANIMATE] ? 0 |
158 |
: head->anim_speed ? clamp (head->anim_speed, 1, 255) |
159 |
: 1. / clamp (head->speed, 1./255., 1./1.); |
160 |
|
161 |
sl << uint8 (anim_speed) |
162 |
<< uint32 (head->nrof); |
163 |
|
164 |
if (ns.itemcmd == 2) |
165 |
sl << uint16 (head->client_type); |
166 |
} |
167 |
|
168 |
static faceidx |
169 |
need_face_now (player *pl, const char *name) |
170 |
{ |
171 |
faceidx face = face_find (name, empty_face); |
172 |
|
173 |
pl->ns->send_face (face, -50); |
174 |
pl->ns->flush_fx (); |
175 |
|
176 |
return face; |
177 |
} |
178 |
|
179 |
#define FINGER_UP "finger_up.x11" |
180 |
#define FINGER_DOWN "finger_down.x11" |
181 |
|
182 |
/** |
183 |
* Send the look window. Don't need to do animations here |
184 |
* This sends all the faces to the client, not just updates. This is |
185 |
* because object ordering would otherwise be inconsistent. |
186 |
*/ |
187 |
void |
188 |
esrv_draw_look (player *pl) |
189 |
{ |
190 |
object *ob = pl->ob; |
191 |
|
192 |
if (!pl->ns->update_look) |
193 |
{ |
194 |
LOG (llevDebug, "esrv_draw_look called when update_look was not set (player %s)\n", &ob->name); |
195 |
return; |
196 |
} |
197 |
|
198 |
if (pl->ns->need_delinv0) |
199 |
{ |
200 |
pl->ns->need_delinv0 = 0; |
201 |
pl->ns->send_packet ("delinv 0"); |
202 |
} |
203 |
|
204 |
if (pl->run_on) |
205 |
return; |
206 |
|
207 |
pl->ns->update_look = 0; |
208 |
pl->ns->need_delinv0 = 1; |
209 |
|
210 |
if (ob->flag [FLAG_REMOVED] |
211 |
|| !ob->map |
212 |
|| ob->map->in_memory != MAP_ACTIVE |
213 |
|| out_of_map (ob->map, ob->x, ob->y)) |
214 |
return; |
215 |
|
216 |
packet sl; |
217 |
sl.printf ("item%d ", pl->ns->itemcmd); |
218 |
|
219 |
sl << uint32 (0); |
220 |
|
221 |
int start_pos = pl->ns->look_position; |
222 |
bool dirty = false; |
223 |
|
224 |
mapspace &ms = ob->ms (); |
225 |
|
226 |
// manage a ring buffer of the "last FLOORBOX_PAGESIZE" items and |
227 |
// start from the top |
228 |
object *items [FLOORBOX_PAGESIZE]; |
229 |
int item_idx = 0, item_cnt = 0; |
230 |
int pos = 0; |
231 |
|
232 |
// find our items by walking down |
233 |
object *item = ms.top; |
234 |
|
235 |
for (; item && item_cnt < FLOORBOX_PAGESIZE; item = item->below) |
236 |
{ |
237 |
if (!item->client_visible ()) |
238 |
continue; |
239 |
|
240 |
if (++pos < start_pos) |
241 |
continue; |
242 |
|
243 |
// record item |
244 |
items [item_idx] = item; item_idx = item_idx < FLOORBOX_PAGESIZE ? item_idx + 1 : 0; |
245 |
item_cnt++; |
246 |
|
247 |
// stop at first floor |
248 |
if (item->flag [FLAG_IS_FLOOR]) |
249 |
{ |
250 |
// we are finished, don't append "next group of items" |
251 |
// by setting item to ms.bot it becomes zero which is checked after the while loop |
252 |
item = ms.bot; |
253 |
} |
254 |
} |
255 |
|
256 |
// see if there are more if we cared - we ignore invisible objects |
257 |
if (item) |
258 |
{ |
259 |
/* What we basically do is make a 'fake' object - when the user applies it, |
260 |
* we notice the special tag the object has, and act accordingly. |
261 |
*/ |
262 |
sl << uint32 (0x80000000 | (start_pos + FLOORBOX_PAGESIZE)) |
263 |
<< uint32 (0) |
264 |
<< uint32 ((uint32) - 1) |
265 |
<< uint32 (need_face_now (pl, FINGER_DOWN)) |
266 |
<< data8 ("Apply this to see the items below") |
267 |
<< uint16 (0) |
268 |
<< uint8 (0) |
269 |
<< uint32 (0); |
270 |
|
271 |
if (pl->ns->itemcmd == 2) |
272 |
sl << uint16 (0); |
273 |
|
274 |
dirty = true; |
275 |
} |
276 |
|
277 |
// now send out all items in the ring buffer in reverse order |
278 |
while (item_cnt) |
279 |
{ |
280 |
--item_cnt; |
281 |
item_idx = (item_idx ? item_idx : FLOORBOX_PAGESIZE) - 1; |
282 |
object *item = items [item_idx]; |
283 |
|
284 |
add_object_to_socklist (*pl->ns, sl, item->head_ ()); |
285 |
|
286 |
dirty = true; |
287 |
|
288 |
// if packet got too large, send it and begin a new one |
289 |
if (sl.length () > MAXSOCKBUF - MAXITEMLEN) |
290 |
{ |
291 |
pl->ns->flush_fx (); |
292 |
pl->ns->send_packet (sl); |
293 |
|
294 |
sl.reset (); |
295 |
sl.printf ("item%d ", pl->ns->itemcmd); |
296 |
sl << uint32 (0); |
297 |
|
298 |
dirty = false; |
299 |
} |
300 |
} |
301 |
|
302 |
if (start_pos) |
303 |
{ |
304 |
sl << uint32 (0x80000000 | (start_pos - FLOORBOX_PAGESIZE)) |
305 |
<< uint32 (0) |
306 |
<< sint32 (-1) |
307 |
<< uint32 (need_face_now (pl, FINGER_UP)) |
308 |
<< data8 ("Apply this to see the items higher up") |
309 |
<< uint16 (0) |
310 |
<< uint8 (0) |
311 |
<< uint32 (0); |
312 |
|
313 |
if (pl->ns->itemcmd == 2) |
314 |
sl << uint16 (0); |
315 |
|
316 |
dirty = true; |
317 |
} |
318 |
|
319 |
if (dirty) |
320 |
{ |
321 |
pl->ns->flush_fx (); |
322 |
pl->ns->send_packet (sl); |
323 |
} |
324 |
} |
325 |
|
326 |
/** |
327 |
* Sends whole inventory. |
328 |
*/ |
329 |
void |
330 |
esrv_send_inventory (object *pl, object *op) |
331 |
{ |
332 |
if (!pl->contr->ns)//D |
333 |
return; |
334 |
|
335 |
int got_one = 0; |
336 |
|
337 |
pl->contr->ns->send_packet_printf ("delinv %d", op->count); |
338 |
|
339 |
packet sl; |
340 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
341 |
|
342 |
sl << uint32 (op->count); |
343 |
|
344 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
345 |
{ |
346 |
object *head; |
347 |
|
348 |
if (tmp->head) |
349 |
head = tmp->head; |
350 |
else |
351 |
head = tmp; |
352 |
|
353 |
if (head->client_visible ()) |
354 |
{ |
355 |
add_object_to_socklist (*pl->contr->ns, sl, head); |
356 |
|
357 |
got_one++; |
358 |
|
359 |
/* IT is possible for players to accumulate a huge amount of |
360 |
* items (especially with some of the bags out there) to |
361 |
* overflow the buffer. IF so, send multiple item commands. |
362 |
*/ |
363 |
if (sl.length () > MAXSOCKBUF - MAXITEMLEN) |
364 |
{ |
365 |
pl->contr->ns->flush_fx (); |
366 |
pl->contr->ns->send_packet (sl); |
367 |
|
368 |
sl.reset (); |
369 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
370 |
sl << uint32 (op->count); |
371 |
got_one = 0; |
372 |
} |
373 |
} |
374 |
} |
375 |
|
376 |
if (got_one) |
377 |
{ |
378 |
pl->contr->ns->flush_fx (); |
379 |
pl->contr->ns->send_packet (sl); |
380 |
} |
381 |
} |
382 |
|
383 |
/** |
384 |
* Updates object *op for player *pl. |
385 |
* |
386 |
* flags is a list of values to update |
387 |
* to the client (as defined in newclient.h - might as well use the |
388 |
* same value both places. |
389 |
*/ |
390 |
void |
391 |
esrv_update_item (int flags, object *pl, object *op) |
392 |
{ |
393 |
/* If we have a request to send the player item, skip a few checks. */ |
394 |
if (op != pl && !op->client_visible ()) |
395 |
return; |
396 |
|
397 |
client *ns = pl->contr->ns; |
398 |
if (!ns) |
399 |
return; |
400 |
|
401 |
packet sl ("upditem"); |
402 |
|
403 |
sl << uint8 (flags); |
404 |
|
405 |
op = op->head_ (); |
406 |
|
407 |
sl << uint32 (op->count); |
408 |
|
409 |
if (flags & UPD_LOCATION) |
410 |
sl << uint32 (op->env ? op->env->count : 0); |
411 |
|
412 |
if (flags & UPD_FLAGS) |
413 |
sl << uint32 (query_flags (op)); |
414 |
|
415 |
if (flags & UPD_WEIGHT) |
416 |
{ |
417 |
sint32 weight = op->client_weight (); |
418 |
|
419 |
if (op == pl) |
420 |
ns->last_weight = weight; |
421 |
|
422 |
sl << uint32 (weight); |
423 |
} |
424 |
|
425 |
if (flags & UPD_FACE) |
426 |
{ |
427 |
ns->send_face (op->face, -50); |
428 |
ns->flush_fx (); |
429 |
sl << uint32 (op->face); |
430 |
} |
431 |
|
432 |
if (flags & UPD_NAME) |
433 |
{ |
434 |
int len; |
435 |
const char *item_p; |
436 |
char item_n[127 * 2]; |
437 |
|
438 |
if (!op->custom_name) |
439 |
{ |
440 |
len = assign (item_n, query_base_name (op, 0), 127); |
441 |
item_p = query_base_name (op, 1); |
442 |
} |
443 |
else |
444 |
{ |
445 |
len = assign (item_n, &op->custom_name, 127); |
446 |
item_p = &op->custom_name; |
447 |
} |
448 |
|
449 |
len += assign (item_n + len, item_p, 127); |
450 |
|
451 |
sl << data8 (item_n, len); |
452 |
} |
453 |
|
454 |
if (flags & UPD_ANIM) |
455 |
sl << uint16 (op->animation_id); |
456 |
|
457 |
if (flags & UPD_ANIMSPEED) |
458 |
{ |
459 |
int anim_speed = 0; |
460 |
|
461 |
if (op->flag [FLAG_ANIMATE]) |
462 |
{ |
463 |
if (op->anim_speed) |
464 |
anim_speed = op->anim_speed; |
465 |
else |
466 |
{ |
467 |
if (op->speed < 0.001) |
468 |
anim_speed = 255; |
469 |
else if (op->speed >= 1.0) |
470 |
anim_speed = 1; |
471 |
else |
472 |
anim_speed = 1. / op->speed; |
473 |
} |
474 |
|
475 |
if (anim_speed > 255) |
476 |
anim_speed = 255; |
477 |
} |
478 |
|
479 |
sl << uint8 (anim_speed); |
480 |
} |
481 |
|
482 |
if (flags & UPD_NROF) |
483 |
sl << uint32 (op->nrof); |
484 |
|
485 |
pl->contr->ns->send_packet (sl); |
486 |
} |
487 |
|
488 |
/** |
489 |
* Sends item's info to player. |
490 |
*/ |
491 |
void |
492 |
esrv_send_item (object *pl, object *op) |
493 |
{ |
494 |
if (!pl->contr->ns) |
495 |
return; |
496 |
|
497 |
/* We only send 'visible' objects to the client, and sometimes the player */ |
498 |
if (!op->client_visible () && op->type != PLAYER) |
499 |
return; |
500 |
|
501 |
packet sl; |
502 |
|
503 |
sl.printf ("item%d ", pl->contr->ns->itemcmd); |
504 |
|
505 |
op = op->head_ (); |
506 |
|
507 |
sl << uint32 (op->env ? op->env->count : 0); |
508 |
|
509 |
add_object_to_socklist (*pl->contr->ns, sl, op); |
510 |
|
511 |
pl->contr->ns->flush_fx (); |
512 |
pl->contr->ns->send_packet (sl); |
513 |
} |
514 |
|
515 |
/** |
516 |
* Tells the client to delete an item. |
517 |
*/ |
518 |
void |
519 |
esrv_del_item (player *pl, int tag) |
520 |
{ |
521 |
if (!pl->ns) |
522 |
return; |
523 |
|
524 |
packet sl ("delitem"); |
525 |
|
526 |
sl << uint32 (tag); |
527 |
|
528 |
pl->ns->send_packet (sl); |
529 |
} |
530 |
|
531 |
|
532 |
/******************************************************************************* |
533 |
* |
534 |
* Client has requested us to do something with an object. |
535 |
* |
536 |
******************************************************************************/ |
537 |
|
538 |
/** |
539 |
* Takes a player and object count (tag) and returns the actual object |
540 |
* pointer, or null if it can't be found. |
541 |
*/ |
542 |
static object * |
543 |
esrv_get_ob_from_count (object *pl, tag_t count) |
544 |
{ |
545 |
if (pl->count == count) |
546 |
return pl; |
547 |
|
548 |
for (object *op = pl->inv; op; op = op->below) |
549 |
if (op->count == count) |
550 |
return op; |
551 |
else if (op->type == CONTAINER && pl->container_ () == op) |
552 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
553 |
if (tmp->count == count) |
554 |
return tmp; |
555 |
|
556 |
for (object *op = GET_MAP_OB (pl->map, pl->x, pl->y); op; op = op->above) |
557 |
if (op->head && op->head->count == count) |
558 |
return op; |
559 |
else if (op->count == count) |
560 |
return op; |
561 |
else if (op->type == CONTAINER && pl->container_ () == op) |
562 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
563 |
if (tmp->count == count) |
564 |
return tmp; |
565 |
|
566 |
#if 0 |
567 |
/* If the high bit is set, player examined a pseudo object. */ |
568 |
if (count & 0x80000000) |
569 |
return 0; |
570 |
#endif |
571 |
|
572 |
return 0; |
573 |
} |
574 |
|
575 |
/** Client wants to examine some object. So lets do so. */ |
576 |
void |
577 |
ExamineCmd (char *buf, int len, player *pl) |
578 |
{ |
579 |
tag_t tag = atoi (buf); |
580 |
|
581 |
/* If the high bit is set, player applied a pseudo object. */ |
582 |
if (tag & 0x80000000) |
583 |
{ |
584 |
pl->ns->look_position = tag & 0x7fffffff; |
585 |
pl->ns->floorbox_update (); |
586 |
return; |
587 |
} |
588 |
|
589 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
590 |
|
591 |
if (!op) |
592 |
{ |
593 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
594 |
return; |
595 |
} |
596 |
|
597 |
examine (pl->ob, op); |
598 |
} |
599 |
|
600 |
/** Client wants to examine some object. So lets do so. */ |
601 |
void |
602 |
ExCmd (char *buf, int len, player *pl) |
603 |
{ |
604 |
tag_t tag = atoi (buf); |
605 |
|
606 |
if (object *op = esrv_get_ob_from_count (pl->ob, tag)) |
607 |
{ |
608 |
std::string s = op->describe (pl->ob); |
609 |
|
610 |
packet sl ("ex"); |
611 |
sl << ber32 (tag) |
612 |
<< data (*pl->expand_cfpod (s.c_str ())); |
613 |
|
614 |
pl->ns->send_packet (sl); |
615 |
} |
616 |
} |
617 |
|
618 |
/** Client wants to apply some object. Lets do so. */ |
619 |
void |
620 |
ApplyCmd (char *buf, int len, player *pl) |
621 |
{ |
622 |
tag_t tag = atoi (buf); |
623 |
|
624 |
/* If the high bit is set, player applied a pseudo object. */ |
625 |
if (tag & 0x80000000) |
626 |
{ |
627 |
pl->ns->look_position = tag & 0x7fffffff; |
628 |
pl->ns->floorbox_update (); |
629 |
return; |
630 |
} |
631 |
|
632 |
// the object might be legally gone already |
633 |
if (object *op = esrv_get_ob_from_count (pl->ob, tag)) |
634 |
pl->ob->apply (op, AP_TOGGLE); |
635 |
} |
636 |
|
637 |
/** Client wants to lock some object. Lets do so. */ |
638 |
void |
639 |
LockItem (char *data, int len, player *pl) |
640 |
{ |
641 |
int flag = data[0]; |
642 |
tag_t tag = net_uint32 ((uint8 *)data + 1); |
643 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
644 |
|
645 |
if (!op) |
646 |
{ |
647 |
pl->failmsg ("Could not find object to lock/unlock"); |
648 |
return; |
649 |
} |
650 |
|
651 |
if (!flag) |
652 |
op->clr_flag (FLAG_INV_LOCKED); |
653 |
else |
654 |
op->set_flag (FLAG_INV_LOCKED); |
655 |
|
656 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
657 |
} |
658 |
|
659 |
/** Client wants to mark some object. Lets do so. */ |
660 |
void |
661 |
MarkItem (char *data, int len, player *pl) |
662 |
{ |
663 |
tag_t tag = net_uint32 ((uint8 *)data); |
664 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
665 |
|
666 |
if (!op) |
667 |
{ |
668 |
pl->failmsg ("Could not find object to mark"); |
669 |
return; |
670 |
} |
671 |
|
672 |
pl->mark = op; |
673 |
pl->ob->statusmsg (format ("Marked item %s", query_name (op))); |
674 |
} |
675 |
|
676 |
/** |
677 |
* look_at prints items on the specified square. |
678 |
* |
679 |
* [ removed EARTHWALL check and added check for containers inventory. |
680 |
* Tero.Haatanen@lut.fi ] |
681 |
*/ |
682 |
static void |
683 |
look_at (player *pl, int dx, int dy) |
684 |
{ |
685 |
dynbuf_text &buf = msg_dynbuf; buf.clear (); |
686 |
object *ob = pl->ob; |
687 |
|
688 |
if (!pl->observe->map) |
689 |
return; |
690 |
|
691 |
bool wiz = ob->flag [FLAG_WIZ] || ob->flag [FLAG_WIZLOOK]; |
692 |
|
693 |
mapxy pos (pl->observe); |
694 |
pos.move (dx, dy); |
695 |
|
696 |
if (wiz) |
697 |
{ |
698 |
if (pos.normalise ()) |
699 |
{ |
700 |
mapspace &ms = *pos; |
701 |
ms.update (); |
702 |
|
703 |
buf.printf (" map: %s%+d%+d (%+d%+d)\n" |
704 |
" smell %u/%u; flags %x; light %d; block %x; slow %x; on %x; off %x; items %d, volume %lld\n\n", |
705 |
&pos.m->path, pos.x, pos.y, dx, dy, |
706 |
(unsigned int)ms.smell, (unsigned int)mapspace::smellcount, ms.flags (), ms.light, |
707 |
ms.move_block, ms.move_slow, ms.move_on, ms.move_off, (int)ms.items (), (long long)ms.volume () |
708 |
); |
709 |
} |
710 |
else |
711 |
buf << "off-map\n\n"; |
712 |
} |
713 |
|
714 |
int darkness = pl->blocked_los (dx, dy); |
715 |
|
716 |
if (darkness == LOS_BLOCKED) |
717 |
buf << "You cannot see that place from your position. H<Something is in between or it is too far away.>"; |
718 |
else if (darkness == LOS_MAX) |
719 |
buf << "That place is too dark to see anything. H<Move nearer or find better lighting.>"; |
720 |
else |
721 |
{ |
722 |
if (pos.normalise ()) |
723 |
for (object *tmp = pos->top; tmp; tmp = tmp->below) |
724 |
{ |
725 |
if (tmp->invisible && !ob->flag [FLAG_WIZ]) |
726 |
continue; |
727 |
|
728 |
if (wiz) |
729 |
buf.printf (" - %s (%d) %s\n", query_name (tmp), tmp->count, tmp->uuid.c_str ()); |
730 |
else |
731 |
buf.printf (" - %s.\n", query_name (tmp)); |
732 |
|
733 |
object *head = tmp->head_ (); |
734 |
|
735 |
if (head->inv) |
736 |
if ((head->type != CONTAINER && head->type != FLESH) |
737 |
|| ob->flag [FLAG_WIZ]) |
738 |
buf << head->query_inventory (ob, " "); |
739 |
|
740 |
if (tmp->flag [FLAG_IS_FLOOR] && !wiz) /* don't continue under the floor */ |
741 |
break; |
742 |
} |
743 |
} |
744 |
|
745 |
if (buf.empty ()) |
746 |
buf << "You see nothing there."; |
747 |
|
748 |
pl->infobox (MSG_CHANNEL ("lookat"), buf); |
749 |
} |
750 |
|
751 |
/** Client wants to look at some object. Lets do so. */ |
752 |
void |
753 |
LookAt (char *buf, int len, player *pl) |
754 |
{ |
755 |
char *cp; |
756 |
|
757 |
int dx = atoi (buf); |
758 |
if (!(cp = strchr (buf, ' '))) |
759 |
return; |
760 |
|
761 |
int dy = atoi (cp); |
762 |
|
763 |
look_at (pl, dx, dy); |
764 |
} |
765 |
|
766 |
/** Move an object to a new location */ |
767 |
void |
768 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
769 |
{ |
770 |
object *op = esrv_get_ob_from_count (pl, tag); |
771 |
if (!op) |
772 |
{ |
773 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
774 |
return; |
775 |
} |
776 |
|
777 |
if (!to) |
778 |
{ /* drop it to the ground */ |
779 |
if (op->map && !op->env) |
780 |
return; |
781 |
|
782 |
/* If it is an active container, then we should drop all objects |
783 |
* in the container and not the container itself. |
784 |
*/ |
785 |
if (op->inv && op->flag [FLAG_APPLIED]) |
786 |
{ |
787 |
int cnt = MAX_ITEM_PER_ACTION; |
788 |
|
789 |
for (object *current = op->inv; current && cnt--; ) |
790 |
{ |
791 |
object *next = current->below; |
792 |
drop_object (pl, current, 0); |
793 |
current = next; |
794 |
} |
795 |
|
796 |
if (cnt <= 0) |
797 |
op->failmsg ("Only dropped some items, can't drop that many items at once."); |
798 |
} |
799 |
else |
800 |
drop_object (pl, op, nrof); |
801 |
|
802 |
return; |
803 |
} |
804 |
else if (to == pl->count) |
805 |
{ /* pick it up to the inventory */ |
806 |
/* return if player has already picked it up */ |
807 |
if (op->env == pl) |
808 |
return; |
809 |
|
810 |
pl->contr->count = nrof; |
811 |
pick_up (pl, op); |
812 |
return; |
813 |
} |
814 |
|
815 |
object *env = esrv_get_ob_from_count (pl, to); |
816 |
if (!env) |
817 |
{ |
818 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
819 |
return; |
820 |
} |
821 |
|
822 |
/* put_object_in_sack presumes that necessary sanity checking |
823 |
* has already been done (eg, it can be picked up and fits in |
824 |
* in a sack, so check for those things. We should also check |
825 |
* an make sure env is in fact a container for that matter. |
826 |
*/ |
827 |
if (env->type == CONTAINER |
828 |
&& can_pick (pl, op) |
829 |
&& sack_can_hold (pl, env, op, nrof)) |
830 |
put_object_in_sack (pl, env, op, nrof); |
831 |
} |
832 |
|