1 |
/* |
2 |
CrossFire, A Multiplayer game for X-windows |
3 |
|
4 |
Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 |
Copyright (C) 1992 Frank Tore Johansen |
6 |
|
7 |
This program is free software; you can redistribute it and/or modify |
8 |
it under the terms of the GNU General Public License as published by |
9 |
the Free Software Foundation; either version 2 of the License, or |
10 |
(at your option) any later version. |
11 |
|
12 |
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 |
15 |
GNU General Public License for more details. |
16 |
|
17 |
You should have received a copy of the GNU General Public License |
18 |
along with this program; if not, write to the Free Software |
19 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 |
|
21 |
The author can be reached via e-mail to <crossfire@schmorp.de> |
22 |
*/ |
23 |
|
24 |
/** |
25 |
* \file |
26 |
* Client/server logic. |
27 |
* |
28 |
* \date 2003-12-02 |
29 |
* |
30 |
* This containes item logic for client/server. It doesn't contain |
31 |
* the actual commands that send the data, but does contain |
32 |
* the logic for what items should be sent. |
33 |
*/ |
34 |
|
35 |
|
36 |
#include <global.h> |
37 |
#include <object.h> /* LOOK_OBJ */ |
38 |
#include <newclient.h> |
39 |
#include <newserver.h> |
40 |
#include <sproto.h> |
41 |
|
42 |
/** This is the maximum number of bytes we expect any one item to take up */ |
43 |
#define MAXITEMLEN 300 |
44 |
|
45 |
/******************************************************************************* |
46 |
* |
47 |
* Functions related to sending object data to the client. |
48 |
* |
49 |
******************************************************************************/ |
50 |
|
51 |
/** |
52 |
* This is a similar to query_name, but returns flags |
53 |
* to be sended to client. |
54 |
*/ |
55 |
unsigned int |
56 |
query_flags (object *op) |
57 |
{ |
58 |
unsigned int flags = 0; |
59 |
|
60 |
if (QUERY_FLAG (op, FLAG_APPLIED)) |
61 |
{ |
62 |
switch (op->type) |
63 |
{ |
64 |
case BOW: |
65 |
case WAND: |
66 |
case ROD: |
67 |
case HORN: |
68 |
flags = a_readied; |
69 |
break; |
70 |
case WEAPON: |
71 |
flags = a_wielded; |
72 |
break; |
73 |
case SKILL: |
74 |
case ARMOUR: |
75 |
case HELMET: |
76 |
case SHIELD: |
77 |
case RING: |
78 |
case BOOTS: |
79 |
case GLOVES: |
80 |
case AMULET: |
81 |
case GIRDLE: |
82 |
case BRACERS: |
83 |
case CLOAK: |
84 |
flags = a_worn; |
85 |
break; |
86 |
case CONTAINER: |
87 |
flags = a_active; |
88 |
break; |
89 |
default: |
90 |
flags = a_applied; |
91 |
break; |
92 |
} |
93 |
} |
94 |
if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED)))) |
95 |
flags |= F_OPEN; |
96 |
|
97 |
if (QUERY_FLAG (op, FLAG_KNOWN_CURSED)) |
98 |
{ |
99 |
if (QUERY_FLAG (op, FLAG_DAMNED)) |
100 |
flags |= F_DAMNED; |
101 |
else if (QUERY_FLAG (op, FLAG_CURSED)) |
102 |
flags |= F_CURSED; |
103 |
} |
104 |
if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
105 |
flags |= F_MAGIC; |
106 |
if (QUERY_FLAG (op, FLAG_UNPAID)) |
107 |
flags |= F_UNPAID; |
108 |
if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
109 |
flags |= F_LOCKED; |
110 |
|
111 |
return flags; |
112 |
} |
113 |
|
114 |
/* Used in the send_look to put object head into packet |
115 |
* sl for socket ns. Need socket to know if we need to send |
116 |
* animation of face to the client. |
117 |
*/ |
118 |
static void |
119 |
add_object_to_socklist (client_socket &ns, packet &sl, object *head) |
120 |
{ |
121 |
int flags, len, anim_speed; |
122 |
char item_n[MAX_BUF]; |
123 |
const char *item_p; |
124 |
|
125 |
flags = query_flags (head); |
126 |
if (QUERY_FLAG (head, FLAG_NO_PICK)) |
127 |
flags |= F_NOPICK; |
128 |
|
129 |
if (!(ns.faces_sent[head->face->number] & NS_FACESENT_FACE)) |
130 |
esrv_send_face (&ns, head->face->number, 0); |
131 |
|
132 |
if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns.anims_sent[head->animation_id]) |
133 |
esrv_send_animation (&ns, head->animation_id); |
134 |
|
135 |
sl << uint32 (head->count) |
136 |
<< uint32 (flags) |
137 |
<< uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
138 |
<< uint32 (head->face->number); |
139 |
|
140 |
if (!head->custom_name) |
141 |
{ |
142 |
strncpy (item_n, query_base_name (head, 0), 127); |
143 |
item_n[127] = 0; |
144 |
len = strlen (item_n); |
145 |
item_p = query_base_name (head, 1); |
146 |
} |
147 |
else |
148 |
{ |
149 |
strncpy (item_n, head->custom_name, 127); |
150 |
item_n[127] = 0; |
151 |
len = strlen (item_n); |
152 |
item_p = head->custom_name; |
153 |
} |
154 |
|
155 |
strncpy (item_n + len + 1, item_p, 127); |
156 |
item_n[254] = 0; |
157 |
len += strlen (item_n + 1 + len) + 1; |
158 |
|
159 |
sl << data8 (item_n, len) |
160 |
<< uint16 (head->animation_id); |
161 |
|
162 |
anim_speed = 0; |
163 |
if (QUERY_FLAG (head, FLAG_ANIMATE)) |
164 |
{ |
165 |
if (head->anim_speed) |
166 |
anim_speed = head->anim_speed; |
167 |
else |
168 |
{ |
169 |
if (FABS (head->speed) < 0.001) |
170 |
anim_speed = 255; |
171 |
else if (FABS (head->speed) >= 1.0) |
172 |
anim_speed = 1; |
173 |
else |
174 |
anim_speed = (int) (1.0 / FABS (head->speed)); |
175 |
} |
176 |
|
177 |
if (anim_speed > 255) |
178 |
anim_speed = 255; |
179 |
} |
180 |
|
181 |
sl << uint8 (anim_speed) |
182 |
<< uint32 (head->nrof); |
183 |
|
184 |
if (ns.itemcmd == 2) |
185 |
sl << uint16 (head->client_type); |
186 |
|
187 |
SET_FLAG (head, FLAG_CLIENT_SENT); |
188 |
} |
189 |
|
190 |
|
191 |
/** |
192 |
* Send the look window. Don't need to do animations here |
193 |
* This sends all the faces to the client, not just updates. This is |
194 |
* because object ordering would otherwise be inconsistent |
195 |
*/ |
196 |
|
197 |
void |
198 |
esrv_draw_look (object *pl) |
199 |
{ |
200 |
object *tmp, *last; |
201 |
int got_one = 0, start_look = 0, end_look = 0; |
202 |
char buf[MAX_BUF]; |
203 |
|
204 |
if (!pl->contr->socket.update_look) |
205 |
{ |
206 |
LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); |
207 |
return; |
208 |
} |
209 |
else |
210 |
pl->contr->socket.update_look = 0; |
211 |
|
212 |
if (QUERY_FLAG (pl, FLAG_REMOVED) |
213 |
|| !pl->map |
214 |
|| pl->map->in_memory != MAP_IN_MEMORY |
215 |
|| out_of_map (pl->map, pl->x, pl->y)) |
216 |
return; |
217 |
|
218 |
for (tmp = get_map_ob (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above) |
219 |
; |
220 |
|
221 |
packet sl; |
222 |
|
223 |
pl->contr->socket.send_packet ("delinv 0"); |
224 |
|
225 |
sl.printf ("item%d ", pl->contr->socket.itemcmd); |
226 |
|
227 |
sl << uint32 (0); |
228 |
|
229 |
if (!(pl->contr->socket.faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
230 |
esrv_send_face (&pl->contr->socket, empty_face->number, 0); |
231 |
|
232 |
if (pl->contr->socket.look_position) |
233 |
{ |
234 |
sl << uint32 (0x80000000 | (pl->contr->socket.look_position - NUM_LOOK_OBJECTS)) |
235 |
<< uint32 (0) |
236 |
<< sint32 (-1) |
237 |
<< uint32 (empty_face->number); |
238 |
|
239 |
sl.printf ("Click here to see %d previous items", NUM_LOOK_OBJECTS); |
240 |
|
241 |
sl << uint16 (0) |
242 |
<< uint8 (0) |
243 |
<< uint32 (0); |
244 |
|
245 |
if (pl->contr->socket.itemcmd == 2) |
246 |
sl << uint16 (0); |
247 |
} |
248 |
|
249 |
for (last = NULL; tmp != last; tmp = tmp->below) |
250 |
{ |
251 |
object *head; |
252 |
|
253 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
254 |
{ |
255 |
last = tmp->below; /* assumes double floor mode */ |
256 |
if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
257 |
last = last->below; |
258 |
} |
259 |
|
260 |
if (LOOK_OBJ (tmp)) |
261 |
{ |
262 |
if (++start_look < pl->contr->socket.look_position) |
263 |
continue; |
264 |
|
265 |
end_look++; |
266 |
|
267 |
if (end_look > NUM_LOOK_OBJECTS) |
268 |
{ |
269 |
/* What we basically do is make a 'fake' object - when the user applies it, |
270 |
* we notice the special tag the object has, and act accordingly. |
271 |
*/ |
272 |
sl << uint32 (0x80000000 | (pl->contr->socket.look_position + NUM_LOOK_OBJECTS)) |
273 |
<< uint32 (0) |
274 |
<< uint32 ((uint32) - 1) |
275 |
<< uint32 (empty_face->number); |
276 |
|
277 |
sl.printf ("Click here to see next group of items"); |
278 |
|
279 |
sl << uint16 (0) |
280 |
<< uint8 (0) |
281 |
<< uint32 (0); |
282 |
|
283 |
if (pl->contr->socket.itemcmd == 2) |
284 |
sl << uint16 (0); |
285 |
|
286 |
break; |
287 |
} |
288 |
|
289 |
if (tmp->head) |
290 |
head = tmp->head; |
291 |
else |
292 |
head = tmp; |
293 |
|
294 |
add_object_to_socklist (pl->contr->socket, sl, head); |
295 |
got_one++; |
296 |
|
297 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
298 |
{ |
299 |
Send_With_Handling (&pl->contr->socket, &sl); |
300 |
|
301 |
sl.reset (); |
302 |
sl.printf ("item%d ", pl->contr->socket.itemcmd); |
303 |
sl << uint32 (0); |
304 |
got_one = 0; |
305 |
} |
306 |
} /* If LOOK_OBJ() */ |
307 |
} |
308 |
|
309 |
if (got_one) |
310 |
Send_With_Handling (&pl->contr->socket, &sl); |
311 |
|
312 |
} |
313 |
|
314 |
/** |
315 |
* Sends whole inventory. |
316 |
*/ |
317 |
void |
318 |
esrv_send_inventory (object *pl, object *op) |
319 |
{ |
320 |
object *tmp; |
321 |
int got_one = 0; |
322 |
|
323 |
packet sl; |
324 |
|
325 |
sl.printf ("delinv %d", op->count); |
326 |
Send_With_Handling (&pl->contr->socket, &sl); |
327 |
|
328 |
sl.reset (); |
329 |
sl.printf ("item%d ", pl->contr->socket.itemcmd); |
330 |
|
331 |
sl << uint32 (op->count); |
332 |
|
333 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
334 |
{ |
335 |
object *head; |
336 |
|
337 |
if (tmp->head) |
338 |
head = tmp->head; |
339 |
else |
340 |
head = tmp; |
341 |
|
342 |
if (LOOK_OBJ (head)) |
343 |
{ |
344 |
add_object_to_socklist (pl->contr->socket, sl, head); |
345 |
|
346 |
got_one++; |
347 |
|
348 |
/* IT is possible for players to accumulate a huge amount of |
349 |
* items (especially with some of the bags out there) to |
350 |
* overflow the buffer. IF so, send multiple item commands. |
351 |
*/ |
352 |
if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) |
353 |
{ |
354 |
Send_With_Handling (&pl->contr->socket, &sl); |
355 |
|
356 |
sl.reset (); |
357 |
sl.printf ("item%d ", pl->contr->socket.itemcmd); |
358 |
sl << uint32 (op->count); |
359 |
got_one = 0; |
360 |
} |
361 |
} /* If LOOK_OBJ() */ |
362 |
} |
363 |
|
364 |
if (got_one) |
365 |
Send_With_Handling (&pl->contr->socket, &sl); |
366 |
|
367 |
} |
368 |
|
369 |
/** |
370 |
* Updates object *op for player *pl. |
371 |
* |
372 |
* flags is a list of values to update |
373 |
* to the client (as defined in newclient.h - might as well use the |
374 |
* same value both places. |
375 |
*/ |
376 |
|
377 |
void |
378 |
esrv_update_item (int flags, object *pl, object *op) |
379 |
{ |
380 |
/* If we have a request to send the player item, skip a few checks. */ |
381 |
if (op != pl) |
382 |
{ |
383 |
if (!LOOK_OBJ (op)) |
384 |
return; |
385 |
/* we remove the check for op->env, because in theory, the object |
386 |
* is hopefully in the same place, so the client should preserve |
387 |
* order. |
388 |
*/ |
389 |
} |
390 |
|
391 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
392 |
{ |
393 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
394 |
* this is happening - we can set a breakpoint here in the debugger |
395 |
* and track back the call. |
396 |
*/ |
397 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
398 |
} |
399 |
|
400 |
packet sl; |
401 |
|
402 |
sl << "upditem " |
403 |
<< uint8 (flags); |
404 |
|
405 |
if (op->head) |
406 |
op = op->head; |
407 |
|
408 |
sl << uint32 (op->count); |
409 |
|
410 |
if (flags & UPD_LOCATION) |
411 |
sl << uint32 (op->env ? op->env->count : 0); |
412 |
|
413 |
if (flags & UPD_FLAGS) |
414 |
sl << uint32 (query_flags (op)); |
415 |
|
416 |
if (flags & UPD_WEIGHT) |
417 |
{ |
418 |
sint32 weight = WEIGHT (op); |
419 |
|
420 |
sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
421 |
|
422 |
if (pl == op) |
423 |
op->contr->last_weight = weight; |
424 |
} |
425 |
|
426 |
if (flags & UPD_FACE) |
427 |
{ |
428 |
if (!(pl->contr->socket.faces_sent[op->face->number] & NS_FACESENT_FACE)) |
429 |
esrv_send_face (&pl->contr->socket, op->face->number, 0); |
430 |
|
431 |
sl << uint32 (op->face->number); |
432 |
} |
433 |
|
434 |
if (flags & UPD_NAME) |
435 |
{ |
436 |
int len; |
437 |
const char *item_p; |
438 |
char item_n[MAX_BUF]; |
439 |
|
440 |
if (!op->custom_name) |
441 |
{ |
442 |
strncpy (item_n, query_base_name (op, 0), 127); |
443 |
item_n[127] = 0; |
444 |
len = strlen (item_n); |
445 |
item_p = query_base_name (op, 1); |
446 |
} |
447 |
else |
448 |
{ |
449 |
strncpy (item_n, op->custom_name, 127); |
450 |
item_n[127] = 0; |
451 |
len = strlen (item_n); |
452 |
item_p = op->custom_name; |
453 |
} |
454 |
|
455 |
strncpy (item_n + len + 1, item_p, 127); |
456 |
item_n[254] = 0; |
457 |
len += strlen (item_n + 1 + len) + 1; |
458 |
|
459 |
sl << data8 (item_n, len); |
460 |
} |
461 |
|
462 |
if (flags & UPD_ANIM) |
463 |
sl << uint16 (op->animation_id); |
464 |
|
465 |
if (flags & UPD_ANIMSPEED) |
466 |
{ |
467 |
int anim_speed = 0; |
468 |
|
469 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
470 |
{ |
471 |
if (op->anim_speed) |
472 |
anim_speed = op->anim_speed; |
473 |
else |
474 |
{ |
475 |
if (FABS (op->speed) < 0.001) |
476 |
anim_speed = 255; |
477 |
else if (FABS (op->speed) >= 1.0) |
478 |
anim_speed = 1; |
479 |
else |
480 |
anim_speed = (int) (1.0 / FABS (op->speed)); |
481 |
} |
482 |
|
483 |
if (anim_speed > 255) |
484 |
anim_speed = 255; |
485 |
} |
486 |
|
487 |
sl << uint8 (anim_speed); |
488 |
} |
489 |
|
490 |
if (flags & UPD_NROF) |
491 |
sl << uint32 (op->nrof); |
492 |
|
493 |
Send_With_Handling (&pl->contr->socket, &sl); |
494 |
} |
495 |
|
496 |
/** |
497 |
* Sends item's info to player. |
498 |
*/ |
499 |
void |
500 |
esrv_send_item (object *pl, object *op) |
501 |
{ |
502 |
/* If this is not the player object, do some more checks */ |
503 |
if (op != pl) |
504 |
{ |
505 |
/* We only send 'visibile' objects to the client */ |
506 |
if (!LOOK_OBJ (op)) |
507 |
return; |
508 |
/* if the item is on the ground, mark that the look needs to |
509 |
* be updated. |
510 |
*/ |
511 |
if (!op->env) |
512 |
{ |
513 |
pl->contr->socket.update_look = 1; |
514 |
return; |
515 |
} |
516 |
} |
517 |
|
518 |
packet sl; |
519 |
|
520 |
sl.printf ("item%d ", pl->contr->socket.itemcmd); |
521 |
|
522 |
if (op->head) |
523 |
op = op->head; |
524 |
|
525 |
sl << uint32 (op->env ? op->env->count : 0); |
526 |
|
527 |
add_object_to_socklist (pl->contr->socket, sl, op); |
528 |
|
529 |
Send_With_Handling (&pl->contr->socket, &sl); |
530 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
531 |
|
532 |
} |
533 |
|
534 |
/** |
535 |
* Tells the client to delete an item. Uses the item |
536 |
* command with a -1 location. |
537 |
*/ |
538 |
|
539 |
void |
540 |
esrv_del_item (player *pl, int tag) |
541 |
{ |
542 |
packet sl; |
543 |
|
544 |
sl << "delitem " |
545 |
<< uint32 (tag); |
546 |
|
547 |
Send_With_Handling (&pl->socket, &sl); |
548 |
} |
549 |
|
550 |
|
551 |
/******************************************************************************* |
552 |
* |
553 |
* Client has requested us to do something with an object. |
554 |
* |
555 |
******************************************************************************/ |
556 |
|
557 |
/** |
558 |
* Takes a player and object count (tag) and returns the actual object |
559 |
* pointer, or null if it can't be found. |
560 |
*/ |
561 |
|
562 |
object * |
563 |
esrv_get_ob_from_count (object *pl, tag_t count) |
564 |
{ |
565 |
object *op, *tmp; |
566 |
|
567 |
if (pl->count == count) |
568 |
return pl; |
569 |
|
570 |
for (op = pl->inv; op; op = op->below) |
571 |
if (op->count == count) |
572 |
return op; |
573 |
else if (op->type == CONTAINER && pl->container == op) |
574 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
575 |
if (tmp->count == count) |
576 |
return tmp; |
577 |
|
578 |
for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) |
579 |
if (op->head != NULL && op->head->count == count) |
580 |
return op; |
581 |
else if (op->count == count) |
582 |
return op; |
583 |
else if (op->type == CONTAINER && pl->container == op) |
584 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
585 |
if (tmp->count == count) |
586 |
return tmp; |
587 |
|
588 |
return NULL; |
589 |
} |
590 |
|
591 |
|
592 |
/** Client wants to examine some object. So lets do so. */ |
593 |
void |
594 |
ExamineCmd (char *buf, int len, player *pl) |
595 |
{ |
596 |
tag_t tag = atoi (buf); |
597 |
|
598 |
/* If the high bit is set, player examined a pseudo object. */ |
599 |
if (tag & 0x80000000) |
600 |
return; |
601 |
|
602 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
603 |
|
604 |
if (!op) |
605 |
{ |
606 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
607 |
return; |
608 |
} |
609 |
|
610 |
examine (pl->ob, op); |
611 |
} |
612 |
|
613 |
/** Client wants to apply some object. Lets do so. */ |
614 |
void |
615 |
ApplyCmd (char *buf, int len, player *pl) |
616 |
{ |
617 |
tag_t tag = atoi (buf); |
618 |
|
619 |
/* sort of a hack, but if the player saves and the player then manually |
620 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
621 |
*/ |
622 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
623 |
return; |
624 |
|
625 |
/* If the high bit is set, player applied a pseudo object. */ |
626 |
if (tag & 0x80000000) |
627 |
{ |
628 |
pl->socket.look_position = tag & 0x7fffffff; |
629 |
pl->socket.update_look = 1; |
630 |
return; |
631 |
} |
632 |
|
633 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
634 |
|
635 |
if (!op) |
636 |
{ |
637 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
638 |
return; |
639 |
} |
640 |
|
641 |
player_apply (pl->ob, op, 0, 0); |
642 |
} |
643 |
|
644 |
/** Client wants to apply some object. Lets do so. */ |
645 |
void |
646 |
LockItem (uint8 *data, int len, player *pl) |
647 |
{ |
648 |
int flag = data[0]; |
649 |
tag_t tag = net_uint32 (data + 1); |
650 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
651 |
|
652 |
if (!op) |
653 |
{ |
654 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
655 |
return; |
656 |
} |
657 |
|
658 |
if (!flag) |
659 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
660 |
else |
661 |
SET_FLAG (op, FLAG_INV_LOCKED); |
662 |
|
663 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
664 |
} |
665 |
|
666 |
/** Client wants to apply some object. Lets do so. */ |
667 |
void |
668 |
MarkItem (uint8 * data, int len, player *pl) |
669 |
{ |
670 |
tag_t tag = net_uint32 (data); |
671 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
672 |
|
673 |
if (!op) |
674 |
{ |
675 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
676 |
return; |
677 |
} |
678 |
|
679 |
pl->mark = op; |
680 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
681 |
} |
682 |
|
683 |
/** |
684 |
* look_at prints items on the specified square. |
685 |
* |
686 |
* [ removed EARTHWALL check and added check for containers inventory. |
687 |
* Tero.Haatanen@lut.fi ] |
688 |
*/ |
689 |
void |
690 |
look_at (object *op, int dx, int dy) |
691 |
{ |
692 |
object *tmp; |
693 |
int flag = 0; |
694 |
sint16 x, y; |
695 |
maptile *m; |
696 |
|
697 |
x = op->x + dx; |
698 |
y = op->y + dy; |
699 |
|
700 |
if (out_of_map (op->map, x, y)) |
701 |
return; |
702 |
|
703 |
m = get_map_from_coord (op->map, &x, &y); |
704 |
if (!m) |
705 |
return; |
706 |
|
707 |
for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
708 |
|
709 |
for (; tmp != NULL; tmp = tmp->below) |
710 |
{ |
711 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
712 |
continue; |
713 |
|
714 |
if (!flag) |
715 |
{ |
716 |
if (dx || dy) |
717 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
718 |
else |
719 |
{ |
720 |
clear_win_info (op); |
721 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
722 |
} |
723 |
flag = 1; |
724 |
} |
725 |
|
726 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
727 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
728 |
else |
729 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
730 |
|
731 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
732 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
733 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
734 |
|
735 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
736 |
break; |
737 |
} |
738 |
|
739 |
if (!flag) |
740 |
{ |
741 |
if (dx || dy) |
742 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
743 |
else |
744 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
745 |
} |
746 |
} |
747 |
|
748 |
|
749 |
|
750 |
/** Client wants to look at some object. Lets do so. */ |
751 |
void |
752 |
LookAt (char *buf, int len, player *pl) |
753 |
{ |
754 |
int dx, dy; |
755 |
char *cp; |
756 |
|
757 |
dx = atoi (buf); |
758 |
if (!(cp = strchr (buf, ' '))) |
759 |
{ |
760 |
return; |
761 |
} |
762 |
dy = atoi (cp); |
763 |
|
764 |
if (FABS (dx) > pl->socket.mapx / 2 || FABS (dy) > pl->socket.mapy / 2) |
765 |
return; |
766 |
|
767 |
if (pl->blocked_los[dx + pl->socket.mapx / 2][dy + pl->socket.mapy / 2]) |
768 |
return; |
769 |
|
770 |
look_at (pl->ob, dx, dy); |
771 |
} |
772 |
|
773 |
/** Move an object to a new location */ |
774 |
void |
775 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
776 |
{ |
777 |
object *op, *env; |
778 |
|
779 |
op = esrv_get_ob_from_count (pl, tag); |
780 |
if (!op) |
781 |
{ |
782 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
783 |
return; |
784 |
} |
785 |
|
786 |
if (!to) |
787 |
{ /* drop it to the ground */ |
788 |
if (op->map && !op->env) |
789 |
return; |
790 |
|
791 |
/* If it is an active container, then we should drop all objects |
792 |
* in the container and not the container itself. |
793 |
*/ |
794 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
795 |
{ |
796 |
object *current, *next; |
797 |
|
798 |
for (current = op->inv; current != NULL; current = next) |
799 |
{ |
800 |
next = current->below; |
801 |
drop_object (pl, current, 0); |
802 |
} |
803 |
|
804 |
esrv_update_item (UPD_WEIGHT, pl, op); |
805 |
} |
806 |
else |
807 |
{ |
808 |
drop_object (pl, op, nrof); |
809 |
} |
810 |
return; |
811 |
} |
812 |
else if (to == pl->count) |
813 |
{ /* pick it up to the inventory */ |
814 |
/* return if player has already picked it up */ |
815 |
if (op->env == pl) |
816 |
return; |
817 |
|
818 |
pl->contr->count = nrof; |
819 |
pick_up (pl, op); |
820 |
return; |
821 |
} |
822 |
|
823 |
env = esrv_get_ob_from_count (pl, to); |
824 |
if (!env) |
825 |
{ |
826 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
827 |
return; |
828 |
} |
829 |
|
830 |
/* put_object_in_sack presumes that necessary sanity checking |
831 |
* has already been done (eg, it can be picked up and fits in |
832 |
* in a sack, so check for those things. We should also check |
833 |
* an make sure env is in fact a container for that matter. |
834 |
*/ |
835 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
836 |
{ |
837 |
put_object_in_sack (pl, env, op, nrof); |
838 |
} |
839 |
} |
840 |
|