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. |
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|
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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. |
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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 |
19 |
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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|
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/** |
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* \file |
26 |
* Client/server logic. |
27 |
* |
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* \date 2003-12-02 |
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* |
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. |
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*/ |
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|
35 |
|
36 |
#include <global.h> |
37 |
#include <object.h> /* LOOK_OBJ */ |
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 sended to client. |
52 |
*/ |
53 |
unsigned int |
54 |
query_flags (object *op) |
55 |
{ |
56 |
unsigned int flags = 0; |
57 |
|
58 |
if (QUERY_FLAG (op, FLAG_APPLIED)) |
59 |
{ |
60 |
switch (op->type) |
61 |
{ |
62 |
case BOW: |
63 |
case WAND: |
64 |
case ROD: |
65 |
case HORN: |
66 |
flags = a_readied; |
67 |
break; |
68 |
case WEAPON: |
69 |
flags = a_wielded; |
70 |
break; |
71 |
case SKILL: |
72 |
case ARMOUR: |
73 |
case HELMET: |
74 |
case SHIELD: |
75 |
case RING: |
76 |
case BOOTS: |
77 |
case GLOVES: |
78 |
case AMULET: |
79 |
case GIRDLE: |
80 |
case BRACERS: |
81 |
case CLOAK: |
82 |
flags = a_worn; |
83 |
break; |
84 |
case CONTAINER: |
85 |
flags = a_active; |
86 |
break; |
87 |
default: |
88 |
flags = a_applied; |
89 |
break; |
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 |
if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
103 |
flags |= F_MAGIC; |
104 |
if (QUERY_FLAG (op, FLAG_UNPAID)) |
105 |
flags |= F_UNPAID; |
106 |
if (QUERY_FLAG (op, 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, len, anim_speed; |
120 |
char item_n[MAX_BUF]; |
121 |
const char *item_p; |
122 |
|
123 |
flags = query_flags (head); |
124 |
if (QUERY_FLAG (head, FLAG_NO_PICK)) |
125 |
flags |= F_NOPICK; |
126 |
|
127 |
if (!(ns.faces_sent[head->face->number] & NS_FACESENT_FACE)) |
128 |
esrv_send_face (&ns, head->face->number, 0); |
129 |
|
130 |
if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
131 |
esrv_send_animation (&ns, head->animation_id); |
132 |
|
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sl << uint32 (head->count) |
134 |
<< uint32 (flags) |
135 |
<< uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
136 |
<< uint32 (head->face->number); |
137 |
|
138 |
if (!head->custom_name) |
139 |
{ |
140 |
strncpy (item_n, query_base_name (head, 0), 127); |
141 |
item_n[127] = 0; |
142 |
len = strlen (item_n); |
143 |
item_p = query_base_name (head, 1); |
144 |
} |
145 |
else |
146 |
{ |
147 |
strncpy (item_n, head->custom_name, 127); |
148 |
item_n[127] = 0; |
149 |
len = strlen (item_n); |
150 |
item_p = head->custom_name; |
151 |
} |
152 |
|
153 |
strncpy (item_n + len + 1, item_p, 127); |
154 |
item_n[254] = 0; |
155 |
len += strlen (item_n + 1 + len) + 1; |
156 |
|
157 |
sl << data8 (item_n, len) |
158 |
<< uint16 (head->animation_id); |
159 |
|
160 |
anim_speed = 0; |
161 |
if (QUERY_FLAG (head, FLAG_ANIMATE)) |
162 |
{ |
163 |
if (head->anim_speed) |
164 |
anim_speed = head->anim_speed; |
165 |
else |
166 |
{ |
167 |
if (FABS (head->speed) < 0.001) |
168 |
anim_speed = 255; |
169 |
else if (FABS (head->speed) >= 1.0) |
170 |
anim_speed = 1; |
171 |
else |
172 |
anim_speed = (int) (1.0 / FABS (head->speed)); |
173 |
} |
174 |
|
175 |
if (anim_speed > 255) |
176 |
anim_speed = 255; |
177 |
} |
178 |
|
179 |
sl << uint8 (anim_speed) |
180 |
<< uint32 (head->nrof); |
181 |
|
182 |
if (ns.itemcmd == 2) |
183 |
sl << uint16 (head->client_type); |
184 |
|
185 |
SET_FLAG (head, FLAG_CLIENT_SENT); |
186 |
} |
187 |
|
188 |
|
189 |
/** |
190 |
* Send the look window. Don't need to do animations here |
191 |
* This sends all the faces to the client, not just updates. This is |
192 |
* because object ordering would otherwise be inconsistent |
193 |
*/ |
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 |
} /* If LOOK_OBJ() */ |
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 |
/** |
367 |
* Updates object *op for player *pl. |
368 |
* |
369 |
* flags is a list of values to update |
370 |
* to the client (as defined in newclient.h - might as well use the |
371 |
* same value both places. |
372 |
*/ |
373 |
|
374 |
void |
375 |
esrv_update_item (int flags, object *pl, object *op) |
376 |
{ |
377 |
/* If we have a request to send the player item, skip a few checks. */ |
378 |
if (op != pl) |
379 |
{ |
380 |
if (!LOOK_OBJ (op)) |
381 |
return; |
382 |
/* we remove the check for op->env, because in theory, the object |
383 |
* is hopefully in the same place, so the client should preserve |
384 |
* order. |
385 |
*/ |
386 |
} |
387 |
|
388 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
389 |
{ |
390 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
391 |
* this is happening - we can set a breakpoint here in the debugger |
392 |
* and track back the call. |
393 |
*/ |
394 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
395 |
} |
396 |
|
397 |
packet sl; |
398 |
|
399 |
sl << "upditem " |
400 |
<< uint8 (flags); |
401 |
|
402 |
if (op->head) |
403 |
op = op->head; |
404 |
|
405 |
sl << uint32 (op->count); |
406 |
|
407 |
if (flags & UPD_LOCATION) |
408 |
sl << uint32 (op->env ? op->env->count : 0); |
409 |
|
410 |
if (flags & UPD_FLAGS) |
411 |
sl << uint32 (query_flags (op)); |
412 |
|
413 |
if (flags & UPD_WEIGHT) |
414 |
{ |
415 |
sint32 weight = WEIGHT (op); |
416 |
|
417 |
sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
418 |
|
419 |
if (pl == op) |
420 |
op->contr->last_weight = weight; |
421 |
} |
422 |
|
423 |
if (flags & UPD_FACE) |
424 |
{ |
425 |
if (!(pl->contr->socket->faces_sent[op->face->number] & NS_FACESENT_FACE)) |
426 |
esrv_send_face (pl->contr->socket, op->face->number, 0); |
427 |
|
428 |
sl << uint32 (op->face->number); |
429 |
} |
430 |
|
431 |
if (flags & UPD_NAME) |
432 |
{ |
433 |
int len; |
434 |
const char *item_p; |
435 |
char item_n[MAX_BUF]; |
436 |
|
437 |
if (!op->custom_name) |
438 |
{ |
439 |
strncpy (item_n, query_base_name (op, 0), 127); |
440 |
item_n[127] = 0; |
441 |
len = strlen (item_n); |
442 |
item_p = query_base_name (op, 1); |
443 |
} |
444 |
else |
445 |
{ |
446 |
strncpy (item_n, op->custom_name, 127); |
447 |
item_n[127] = 0; |
448 |
len = strlen (item_n); |
449 |
item_p = op->custom_name; |
450 |
} |
451 |
|
452 |
strncpy (item_n + len + 1, item_p, 127); |
453 |
item_n[254] = 0; |
454 |
len += strlen (item_n + 1 + len) + 1; |
455 |
|
456 |
sl << data8 (item_n, len); |
457 |
} |
458 |
|
459 |
if (flags & UPD_ANIM) |
460 |
sl << uint16 (op->animation_id); |
461 |
|
462 |
if (flags & UPD_ANIMSPEED) |
463 |
{ |
464 |
int anim_speed = 0; |
465 |
|
466 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
467 |
{ |
468 |
if (op->anim_speed) |
469 |
anim_speed = op->anim_speed; |
470 |
else |
471 |
{ |
472 |
if (FABS (op->speed) < 0.001) |
473 |
anim_speed = 255; |
474 |
else if (FABS (op->speed) >= 1.0) |
475 |
anim_speed = 1; |
476 |
else |
477 |
anim_speed = (int) (1.0 / FABS (op->speed)); |
478 |
} |
479 |
|
480 |
if (anim_speed > 255) |
481 |
anim_speed = 255; |
482 |
} |
483 |
|
484 |
sl << uint8 (anim_speed); |
485 |
} |
486 |
|
487 |
if (flags & UPD_NROF) |
488 |
sl << uint32 (op->nrof); |
489 |
|
490 |
pl->contr->socket->send_packet (sl); |
491 |
} |
492 |
|
493 |
/** |
494 |
* Sends item's info to player. |
495 |
*/ |
496 |
void |
497 |
esrv_send_item (object *pl, object *op) |
498 |
{ |
499 |
/* If this is not the player object, do some more checks */ |
500 |
if (op != pl) |
501 |
{ |
502 |
/* We only send 'visibile' objects to the client */ |
503 |
if (!LOOK_OBJ (op)) |
504 |
return; |
505 |
/* if the item is on the ground, mark that the look needs to |
506 |
* be updated. |
507 |
*/ |
508 |
if (!op->env) |
509 |
{ |
510 |
pl->contr->socket->update_look = 1; |
511 |
return; |
512 |
} |
513 |
} |
514 |
|
515 |
packet sl; |
516 |
|
517 |
sl.printf ("item%d ", pl->contr->socket->itemcmd); |
518 |
|
519 |
if (op->head) |
520 |
op = op->head; |
521 |
|
522 |
sl << uint32 (op->env ? op->env->count : 0); |
523 |
|
524 |
add_object_to_socklist (*pl->contr->socket, sl, op); |
525 |
|
526 |
pl->contr->socket->send_packet (sl); |
527 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
528 |
|
529 |
} |
530 |
|
531 |
/** |
532 |
* Tells the client to delete an item. Uses the item |
533 |
* command with a -1 location. |
534 |
*/ |
535 |
|
536 |
void |
537 |
esrv_del_item (player *pl, int tag) |
538 |
{ |
539 |
packet sl; |
540 |
|
541 |
sl << "delitem " |
542 |
<< uint32 (tag); |
543 |
|
544 |
pl->socket->send_packet (sl); |
545 |
} |
546 |
|
547 |
|
548 |
/******************************************************************************* |
549 |
* |
550 |
* Client has requested us to do something with an object. |
551 |
* |
552 |
******************************************************************************/ |
553 |
|
554 |
/** |
555 |
* Takes a player and object count (tag) and returns the actual object |
556 |
* pointer, or null if it can't be found. |
557 |
*/ |
558 |
|
559 |
object * |
560 |
esrv_get_ob_from_count (object *pl, tag_t count) |
561 |
{ |
562 |
object *op, *tmp; |
563 |
|
564 |
if (pl->count == count) |
565 |
return pl; |
566 |
|
567 |
for (op = pl->inv; op; op = op->below) |
568 |
if (op->count == count) |
569 |
return op; |
570 |
else if (op->type == CONTAINER && pl->container == op) |
571 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
572 |
if (tmp->count == count) |
573 |
return tmp; |
574 |
|
575 |
for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) |
576 |
if (op->head != NULL && op->head->count == count) |
577 |
return op; |
578 |
else if (op->count == count) |
579 |
return op; |
580 |
else if (op->type == CONTAINER && pl->container == op) |
581 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
582 |
if (tmp->count == count) |
583 |
return tmp; |
584 |
|
585 |
return NULL; |
586 |
} |
587 |
|
588 |
|
589 |
/** Client wants to examine some object. So lets do so. */ |
590 |
void |
591 |
ExamineCmd (char *buf, int len, player *pl) |
592 |
{ |
593 |
tag_t tag = atoi (buf); |
594 |
|
595 |
/* If the high bit is set, player examined a pseudo object. */ |
596 |
if (tag & 0x80000000) |
597 |
return; |
598 |
|
599 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
600 |
|
601 |
if (!op) |
602 |
{ |
603 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
604 |
return; |
605 |
} |
606 |
|
607 |
examine (pl->ob, op); |
608 |
} |
609 |
|
610 |
/** Client wants to apply some object. Lets do so. */ |
611 |
void |
612 |
ApplyCmd (char *buf, int len, player *pl) |
613 |
{ |
614 |
tag_t tag = atoi (buf); |
615 |
|
616 |
/* sort of a hack, but if the player saves and the player then manually |
617 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
618 |
*/ |
619 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
620 |
return; |
621 |
|
622 |
/* If the high bit is set, player applied a pseudo object. */ |
623 |
if (tag & 0x80000000) |
624 |
{ |
625 |
pl->socket->look_position = tag & 0x7fffffff; |
626 |
pl->socket->update_look = 1; |
627 |
return; |
628 |
} |
629 |
|
630 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
631 |
|
632 |
if (!op) |
633 |
{ |
634 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
635 |
return; |
636 |
} |
637 |
|
638 |
player_apply (pl->ob, op, 0, 0); |
639 |
} |
640 |
|
641 |
/** Client wants to apply some object. Lets do so. */ |
642 |
void |
643 |
LockItem (char *data, int len, player *pl) |
644 |
{ |
645 |
int flag = data[0]; |
646 |
tag_t tag = net_uint32 ((uint8 *)data + 1); |
647 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
648 |
|
649 |
if (!op) |
650 |
{ |
651 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
652 |
return; |
653 |
} |
654 |
|
655 |
if (!flag) |
656 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
657 |
else |
658 |
SET_FLAG (op, FLAG_INV_LOCKED); |
659 |
|
660 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
661 |
} |
662 |
|
663 |
/** Client wants to apply some object. Lets do so. */ |
664 |
void |
665 |
MarkItem (char *data, int len, player *pl) |
666 |
{ |
667 |
tag_t tag = net_uint32 ((uint8 *)data); |
668 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
669 |
|
670 |
if (!op) |
671 |
{ |
672 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
673 |
return; |
674 |
} |
675 |
|
676 |
pl->mark = op; |
677 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
678 |
} |
679 |
|
680 |
/** |
681 |
* look_at prints items on the specified square. |
682 |
* |
683 |
* [ removed EARTHWALL check and added check for containers inventory. |
684 |
* Tero.Haatanen@lut.fi ] |
685 |
*/ |
686 |
void |
687 |
look_at (object *op, int dx, int dy) |
688 |
{ |
689 |
object *tmp; |
690 |
int flag = 0; |
691 |
sint16 x, y; |
692 |
maptile *m; |
693 |
|
694 |
x = op->x + dx; |
695 |
y = op->y + dy; |
696 |
|
697 |
if (out_of_map (op->map, x, y)) |
698 |
return; |
699 |
|
700 |
m = get_map_from_coord (op->map, &x, &y); |
701 |
if (!m) |
702 |
return; |
703 |
|
704 |
for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
705 |
|
706 |
for (; tmp != NULL; tmp = tmp->below) |
707 |
{ |
708 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
709 |
continue; |
710 |
|
711 |
if (!flag) |
712 |
{ |
713 |
if (dx || dy) |
714 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
715 |
else |
716 |
{ |
717 |
clear_win_info (op); |
718 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
719 |
} |
720 |
flag = 1; |
721 |
} |
722 |
|
723 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
724 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
725 |
else |
726 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
727 |
|
728 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
729 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
730 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
731 |
|
732 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
733 |
break; |
734 |
} |
735 |
|
736 |
if (!flag) |
737 |
{ |
738 |
if (dx || dy) |
739 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
740 |
else |
741 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
742 |
} |
743 |
} |
744 |
|
745 |
|
746 |
|
747 |
/** Client wants to look at some object. Lets do so. */ |
748 |
void |
749 |
LookAt (char *buf, int len, player *pl) |
750 |
{ |
751 |
int dx, dy; |
752 |
char *cp; |
753 |
|
754 |
dx = atoi (buf); |
755 |
if (!(cp = strchr (buf, ' '))) |
756 |
{ |
757 |
return; |
758 |
} |
759 |
dy = atoi (cp); |
760 |
|
761 |
if (FABS (dx) > pl->socket->mapx / 2 || FABS (dy) > pl->socket->mapy / 2) |
762 |
return; |
763 |
|
764 |
if (pl->blocked_los[dx + pl->socket->mapx / 2][dy + pl->socket->mapy / 2]) |
765 |
return; |
766 |
|
767 |
look_at (pl->ob, dx, dy); |
768 |
} |
769 |
|
770 |
/** Move an object to a new location */ |
771 |
void |
772 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
773 |
{ |
774 |
object *op, *env; |
775 |
|
776 |
op = esrv_get_ob_from_count (pl, tag); |
777 |
if (!op) |
778 |
{ |
779 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
780 |
return; |
781 |
} |
782 |
|
783 |
if (!to) |
784 |
{ /* drop it to the ground */ |
785 |
if (op->map && !op->env) |
786 |
return; |
787 |
|
788 |
/* If it is an active container, then we should drop all objects |
789 |
* in the container and not the container itself. |
790 |
*/ |
791 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
792 |
{ |
793 |
object *current, *next; |
794 |
|
795 |
for (current = op->inv; current != NULL; current = next) |
796 |
{ |
797 |
next = current->below; |
798 |
drop_object (pl, current, 0); |
799 |
} |
800 |
|
801 |
esrv_update_item (UPD_WEIGHT, pl, op); |
802 |
} |
803 |
else |
804 |
{ |
805 |
drop_object (pl, op, nrof); |
806 |
} |
807 |
return; |
808 |
} |
809 |
else if (to == pl->count) |
810 |
{ /* pick it up to the inventory */ |
811 |
/* return if player has already picked it up */ |
812 |
if (op->env == pl) |
813 |
return; |
814 |
|
815 |
pl->contr->count = nrof; |
816 |
pick_up (pl, op); |
817 |
return; |
818 |
} |
819 |
|
820 |
env = esrv_get_ob_from_count (pl, to); |
821 |
if (!env) |
822 |
{ |
823 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
824 |
return; |
825 |
} |
826 |
|
827 |
/* put_object_in_sack presumes that necessary sanity checking |
828 |
* has already been done (eg, it can be picked up and fits in |
829 |
* in a sack, so check for those things. We should also check |
830 |
* an make sure env is in fact a container for that matter. |
831 |
*/ |
832 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
833 |
{ |
834 |
put_object_in_sack (pl, env, op, nrof); |
835 |
} |
836 |
} |
837 |
|