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/cvs/deliantra/server/socket/item.C
Revision: 1.5
Committed: Sun Sep 10 13:43:33 2006 UTC (17 years, 9 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.4: +632 -542 lines
Log Message:
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File Contents

# User Rev Content
1 elmex 1.1
2     /*
3     * static char *rcsid_item_c =
4 root 1.5 * "$Id: item.C,v 1.4 2006-09-03 00:18:43 root Exp $";
5 elmex 1.1 */
6    
7     /*
8     CrossFire, A Multiplayer game for X-windows
9    
10     Copyright (C) 2002 Mark Wedel & Crossfire Development Team
11     Copyright (C) 1992 Frank Tore Johansen
12    
13     This program is free software; you can redistribute it and/or modify
14     it under the terms of the GNU General Public License as published by
15     the Free Software Foundation; either version 2 of the License, or
16     (at your option) any later version.
17    
18     This program is distributed in the hope that it will be useful,
19     but WITHOUT ANY WARRANTY; without even the implied warranty of
20     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21     GNU General Public License for more details.
22    
23     You should have received a copy of the GNU General Public License
24     along with this program; if not, write to the Free Software
25     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26    
27     The author can be reached via e-mail to crossfire-devel@real-time.com
28     */
29    
30     /**
31     * \file
32     * Client/server logic.
33     *
34     * \date 2003-12-02
35     *
36     * This containes item logic for client/server. It doesn't contain
37     * the actual commands that send the data, but does contain
38     * the logic for what items should be sent.
39     */
40    
41    
42     #include <global.h>
43 root 1.5 #include <object.h> /* LOOK_OBJ */
44 elmex 1.1 #include <newclient.h>
45     #include <newserver.h>
46     #include <sproto.h>
47    
48     /** This is the maximum number of bytes we expect any one item to take up */
49     #define MAXITEMLEN 300
50    
51     /*******************************************************************************
52     *
53     * Functions related to sending object data to the client.
54     *
55     ******************************************************************************/
56    
57     /**
58     * Adds string to socklist.
59     *
60     * This is a simple function that we use a lot here. It basically
61     * adds the specified buffer into the socklist, but prepends a
62     * single byte in length. If the data is longer than that byte, it is
63     * truncated approprately.
64     */
65 root 1.5 inline void
66     add_stringlen_to_sockbuf (const char *buf, SockList * sl)
67 elmex 1.1 {
68 root 1.5 int len;
69 elmex 1.1
70 root 1.5 len = strlen (buf);
71     if (len > 255)
72     len = 255;
73     SockList_AddChar (sl, (char) len);
74     strncpy ((char *) sl->buf + sl->len, buf, len);
75     sl->len += len;
76 elmex 1.1 }
77    
78     /**
79     * This is a similar to query_name, but returns flags
80     * to be sended to client.
81     */
82 root 1.5 unsigned int
83     query_flags (object *op)
84 elmex 1.1 {
85 root 1.5 unsigned int flags = 0;
86 elmex 1.1
87 root 1.5 if (QUERY_FLAG (op, FLAG_APPLIED))
88     {
89     switch (op->type)
90     {
91     case BOW:
92     case WAND:
93     case ROD:
94     case HORN:
95     flags = a_readied;
96     break;
97     case WEAPON:
98     flags = a_wielded;
99     break;
100     case SKILL:
101     case ARMOUR:
102     case HELMET:
103     case SHIELD:
104     case RING:
105     case BOOTS:
106     case GLOVES:
107     case AMULET:
108     case GIRDLE:
109     case BRACERS:
110     case CLOAK:
111     flags = a_worn;
112     break;
113     case CONTAINER:
114     flags = a_active;
115     break;
116     default:
117     flags = a_applied;
118     break;
119     }
120     }
121     if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED))))
122     flags |= F_OPEN;
123    
124     if (QUERY_FLAG (op, FLAG_KNOWN_CURSED))
125     {
126     if (QUERY_FLAG (op, FLAG_DAMNED))
127     flags |= F_DAMNED;
128     else if (QUERY_FLAG (op, FLAG_CURSED))
129     flags |= F_CURSED;
130     }
131     if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED))
132     flags |= F_MAGIC;
133     if (QUERY_FLAG (op, FLAG_UNPAID))
134     flags |= F_UNPAID;
135     if (QUERY_FLAG (op, FLAG_INV_LOCKED))
136     flags |= F_LOCKED;
137 elmex 1.1
138 root 1.5 return flags;
139 elmex 1.1 }
140    
141     /* Used in the send_look to put object head into SockList
142     * sl for socket ns. Need socket to know if we need to send
143     * animation of face to the client.
144     */
145 root 1.5 static void
146     add_object_to_socklist (NewSocket * ns, SockList * sl, object *head)
147 elmex 1.1 {
148 root 1.5 int flags, len, anim_speed;
149     char item_n[MAX_BUF];
150     const char *item_p;
151    
152     flags = query_flags (head);
153     if (QUERY_FLAG (head, FLAG_NO_PICK))
154     flags |= F_NOPICK;
155    
156     if (!(ns->faces_sent[head->face->number] & NS_FACESENT_FACE))
157     esrv_send_face (ns, head->face->number, 0);
158    
159     if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns->anims_sent[head->animation_id])
160     esrv_send_animation (ns, head->animation_id);
161    
162     SockList_AddInt (sl, head->count);
163     SockList_AddInt (sl, flags);
164     SockList_AddInt (sl, QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head));
165     SockList_AddInt (sl, head->face->number);
166    
167     if (!head->custom_name)
168     {
169     strncpy (item_n, query_base_name (head, 0), 127);
170     item_n[127] = 0;
171     len = strlen (item_n);
172     item_p = query_base_name (head, 1);
173     }
174     else
175     {
176     strncpy (item_n, head->custom_name, 127);
177     item_n[127] = 0;
178     len = strlen (item_n);
179     item_p = head->custom_name;
180     }
181     strncpy (item_n + len + 1, item_p, 127);
182     item_n[254] = 0;
183     len += strlen (item_n + 1 + len) + 1;
184     SockList_AddChar (sl, (char) len);
185     memcpy (sl->buf + sl->len, item_n, len);
186     sl->len += len;
187    
188     SockList_AddShort (sl, head->animation_id);
189     anim_speed = 0;
190     if (QUERY_FLAG (head, FLAG_ANIMATE))
191     {
192     if (head->anim_speed)
193     anim_speed = head->anim_speed;
194     else
195     {
196     if (FABS (head->speed) < 0.001)
197     anim_speed = 255;
198     else if (FABS (head->speed) >= 1.0)
199     anim_speed = 1;
200     else
201     anim_speed = (int) (1.0 / FABS (head->speed));
202     }
203     if (anim_speed > 255)
204     anim_speed = 255;
205 elmex 1.1 }
206 root 1.5 SockList_AddChar (sl, (char) anim_speed);
207     SockList_AddInt (sl, head->nrof);
208 elmex 1.1
209 root 1.5 if (ns->itemcmd == 2)
210     SockList_AddShort (sl, head->client_type);
211 elmex 1.1
212 root 1.5 SET_FLAG (head, FLAG_CLIENT_SENT);
213 elmex 1.1 }
214    
215    
216     /**
217     * Send the look window. Don't need to do animations here
218     * This sends all the faces to the client, not just updates. This is
219     * because object ordering would otherwise be inconsistent
220     */
221    
222 root 1.5 void
223     esrv_draw_look (object *pl)
224 elmex 1.1 {
225 root 1.5 object *tmp, *last;
226     int got_one = 0, start_look = 0, end_look = 0;
227     SockList sl;
228     char buf[MAX_BUF];
229    
230     if (!pl->contr->socket.update_look)
231     {
232     LOG (llevDebug, "esrv_draw_look called when update_look was not set\n");
233     return;
234     }
235     else
236     {
237     pl->contr->socket.update_look = 0;
238     }
239    
240     if (QUERY_FLAG (pl, FLAG_REMOVED) || pl->map == NULL || pl->map->in_memory != MAP_IN_MEMORY || out_of_map (pl->map, pl->x, pl->y))
241     return;
242    
243     for (tmp = get_map_ob (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above);
244    
245     sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
246    
247     Write_String_To_Socket (&pl->contr->socket, "delinv 0", strlen ("delinv 0"));
248     sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd);
249     sl.len = strlen ((char *) sl.buf);
250    
251     SockList_AddInt (&sl, 0);
252    
253     if (!(pl->contr->socket.faces_sent[empty_face->number] & NS_FACESENT_FACE))
254     esrv_send_face (&pl->contr->socket, empty_face->number, 0);
255    
256     if (pl->contr->socket.look_position)
257     {
258     SockList_AddInt (&sl, 0x80000000 | (pl->contr->socket.look_position - NUM_LOOK_OBJECTS));
259     SockList_AddInt (&sl, 0);
260     SockList_AddInt (&sl, (uint32) - 1);
261     SockList_AddInt (&sl, empty_face->number);
262     sprintf (buf, "Click here to see %d previous items", NUM_LOOK_OBJECTS);
263     add_stringlen_to_sockbuf (buf, &sl);
264     SockList_AddShort (&sl, 0);
265     SockList_AddChar (&sl, 0);
266     SockList_AddInt (&sl, 0);
267     if (pl->contr->socket.itemcmd == 2)
268     SockList_AddShort (&sl, 0);
269     }
270    
271     for (last = NULL; tmp != last; tmp = tmp->below)
272     {
273     object *head;
274    
275     if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last)
276     {
277     last = tmp->below; /* assumes double floor mode */
278     if (last && QUERY_FLAG (last, FLAG_IS_FLOOR))
279     last = last->below;
280     }
281     if (LOOK_OBJ (tmp))
282     {
283     if (++start_look < pl->contr->socket.look_position)
284     continue;
285     end_look++;
286     if (end_look > NUM_LOOK_OBJECTS)
287     {
288     /* What we basically do is make a 'fake' object - when the user applies it,
289     * we notice the special tag the object has, and act accordingly.
290     */
291     SockList_AddInt (&sl, 0x80000000 | (pl->contr->socket.look_position + NUM_LOOK_OBJECTS));
292     SockList_AddInt (&sl, 0);
293     SockList_AddInt (&sl, (uint32) - 1);
294     SockList_AddInt (&sl, empty_face->number);
295     sprintf (buf, "Click here to see next group of items");
296     add_stringlen_to_sockbuf (buf, &sl);
297     SockList_AddShort (&sl, 0);
298     SockList_AddChar (&sl, 0);
299     SockList_AddInt (&sl, 0);
300     if (pl->contr->socket.itemcmd == 2)
301     SockList_AddShort (&sl, 0);
302     break;
303 root 1.3 }
304 root 1.5 if (tmp->head)
305     head = tmp->head;
306     else
307     head = tmp;
308    
309     add_object_to_socklist (&pl->contr->socket, &sl, head);
310     got_one++;
311    
312     if (sl.len >= (MAXSOCKBUF - MAXITEMLEN))
313     {
314     Send_With_Handling (&pl->contr->socket, &sl);
315     sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd);
316     sl.len = strlen ((char *) sl.buf);
317     SockList_AddInt (&sl, 0);
318     got_one = 0;
319 root 1.3 }
320 root 1.5 } /* If LOOK_OBJ() */
321 elmex 1.1 }
322 root 1.5 if (got_one)
323     Send_With_Handling (&pl->contr->socket, &sl);
324 elmex 1.1
325 root 1.5 free (sl.buf);
326 elmex 1.1 }
327    
328     /**
329     * Sends whole inventory.
330     */
331 root 1.5 void
332     esrv_send_inventory (object *pl, object *op)
333 elmex 1.1 {
334 root 1.5 object *tmp;
335     int got_one = 0;
336     SockList sl;
337    
338     sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
339    
340     sprintf ((char *) sl.buf, "delinv %d", op->count);
341     sl.len = strlen ((char *) sl.buf);
342     Send_With_Handling (&pl->contr->socket, &sl);
343    
344     sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd);
345     sl.len = strlen ((char *) sl.buf);
346    
347     SockList_AddInt (&sl, op->count);
348    
349     for (tmp = op->inv; tmp; tmp = tmp->below)
350     {
351     object *head;
352    
353     if (tmp->head)
354     head = tmp->head;
355     else
356     head = tmp;
357    
358     if (LOOK_OBJ (head))
359     {
360     add_object_to_socklist (&pl->contr->socket, &sl, head);
361    
362     got_one++;
363    
364     /* IT is possible for players to accumulate a huge amount of
365     * items (especially with some of the bags out there) to
366     * overflow the buffer. IF so, send multiple item commands.
367     */
368     if (sl.len >= (MAXSOCKBUF - MAXITEMLEN))
369     {
370     Send_With_Handling (&pl->contr->socket, &sl);
371     sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd);
372     sl.len = strlen ((char *) sl.buf);
373     SockList_AddInt (&sl, op->count);
374     got_one = 0;
375 root 1.3 }
376 root 1.5 } /* If LOOK_OBJ() */
377 elmex 1.1 }
378 root 1.5 if (got_one)
379     Send_With_Handling (&pl->contr->socket, &sl);
380     free (sl.buf);
381 elmex 1.1 }
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    
391 root 1.5 void
392     esrv_update_item (int flags, object *pl, object *op)
393 elmex 1.1 {
394 root 1.5 SockList sl;
395 elmex 1.1
396 root 1.5 /* If we have a request to send the player item, skip a few checks. */
397     if (op != pl)
398     {
399     if (!LOOK_OBJ (op))
400     return;
401     /* we remove the check for op->env, because in theory, the object
402     * is hopefully in the same place, so the client should preserve
403     * order.
404     */
405     }
406     if (!QUERY_FLAG (op, FLAG_CLIENT_SENT))
407     {
408     /* FLAG_CLIENT_SENT is debug only. We are using it to see where
409     * this is happening - we can set a breakpoint here in the debugger
410     * and track back the call.
411     */
412     LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count);
413     }
414     sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
415    
416     strcpy ((char *) sl.buf, "upditem ");
417     sl.len = strlen ((char *) sl.buf);
418    
419     SockList_AddChar (&sl, (char) flags);
420    
421     if (op->head)
422     op = op->head;
423    
424     SockList_AddInt (&sl, op->count);
425    
426     if (flags & UPD_LOCATION)
427     SockList_AddInt (&sl, op->env ? op->env->count : 0);
428    
429     if (flags & UPD_FLAGS)
430     SockList_AddInt (&sl, query_flags (op));
431    
432     if (flags & UPD_WEIGHT)
433     {
434     sint32 weight = WEIGHT (op);
435    
436     SockList_AddInt (&sl, QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight);
437     if (pl == op)
438     {
439     op->contr->last_weight = weight;
440     }
441     }
442    
443     if (flags & UPD_FACE)
444     {
445     if (!(pl->contr->socket.faces_sent[op->face->number] & NS_FACESENT_FACE))
446     esrv_send_face (&pl->contr->socket, op->face->number, 0);
447     SockList_AddInt (&sl, op->face->number);
448     }
449     if (flags & UPD_NAME)
450     {
451     int len;
452     const char *item_p;
453     char item_n[MAX_BUF];
454    
455     if (!op->custom_name)
456     {
457     strncpy (item_n, query_base_name (op, 0), 127);
458     item_n[127] = 0;
459     len = strlen (item_n);
460     item_p = query_base_name (op, 1);
461     }
462     else
463     {
464     strncpy (item_n, op->custom_name, 127);
465     item_n[127] = 0;
466     len = strlen (item_n);
467     item_p = op->custom_name;
468     }
469    
470     strncpy (item_n + len + 1, item_p, 127);
471     item_n[254] = 0;
472     len += strlen (item_n + 1 + len) + 1;
473     SockList_AddChar (&sl, (char) len);
474     memcpy (sl.buf + sl.len, item_n, len);
475     sl.len += len;
476     }
477     if (flags & UPD_ANIM)
478     SockList_AddShort (&sl, op->animation_id);
479    
480     if (flags & UPD_ANIMSPEED)
481     {
482     int anim_speed = 0;
483    
484     if (QUERY_FLAG (op, FLAG_ANIMATE))
485     {
486     if (op->anim_speed)
487     anim_speed = op->anim_speed;
488     else
489     {
490     if (FABS (op->speed) < 0.001)
491     anim_speed = 255;
492     else if (FABS (op->speed) >= 1.0)
493     anim_speed = 1;
494     else
495     anim_speed = (int) (1.0 / FABS (op->speed));
496 root 1.3 }
497 root 1.5 if (anim_speed > 255)
498     anim_speed = 255;
499 root 1.3 }
500 root 1.5 SockList_AddChar (&sl, (char) anim_speed);
501 elmex 1.1 }
502 root 1.5 if (flags & UPD_NROF)
503     SockList_AddInt (&sl, op->nrof);
504 elmex 1.1
505 root 1.5 Send_With_Handling (&pl->contr->socket, &sl);
506     free (sl.buf);
507 elmex 1.1 }
508    
509     /**
510     * Sends item's info to player.
511     */
512 root 1.5 void
513     esrv_send_item (object *pl, object *op)
514 elmex 1.1 {
515 root 1.5 SockList sl;
516    
517     /* If this is not the player object, do some more checks */
518     if (op != pl)
519     {
520     /* We only send 'visibile' objects to the client */
521     if (!LOOK_OBJ (op))
522     return;
523     /* if the item is on the ground, mark that the look needs to
524     * be updated.
525     */
526     if (!op->env)
527     {
528     pl->contr->socket.update_look = 1;
529     return;
530 root 1.3 }
531 elmex 1.1 }
532    
533 root 1.5 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
534 elmex 1.1
535 root 1.5 sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd);
536     sl.len = strlen ((char *) sl.buf);
537 elmex 1.1
538 root 1.5 if (op->head)
539     op = op->head;
540 elmex 1.1
541 root 1.5 SockList_AddInt (&sl, op->env ? op->env->count : 0);
542 elmex 1.1
543 root 1.5 add_object_to_socklist (&pl->contr->socket, &sl, op);
544 elmex 1.1
545 root 1.5 Send_With_Handling (&pl->contr->socket, &sl);
546     SET_FLAG (op, FLAG_CLIENT_SENT);
547     free (sl.buf);
548 elmex 1.1 }
549    
550     /**
551     * Tells the client to delete an item. Uses the item
552     * command with a -1 location.
553     */
554    
555 root 1.5 void
556     esrv_del_item (player *pl, int tag)
557 elmex 1.1 {
558 root 1.5 SockList sl;
559 elmex 1.1
560 root 1.5 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
561 elmex 1.1
562 root 1.5 strcpy ((char *) sl.buf, "delitem ");
563     sl.len = strlen ((char *) sl.buf);
564     SockList_AddInt (&sl, tag);
565 elmex 1.1
566 root 1.5 Send_With_Handling (&pl->socket, &sl);
567     free (sl.buf);
568 elmex 1.1 }
569    
570    
571     /*******************************************************************************
572     *
573     * Client has requested us to do something with an object.
574     *
575     ******************************************************************************/
576    
577     /**
578     * Takes a player and object count (tag) and returns the actual object
579     * pointer, or null if it can't be found.
580     */
581    
582 root 1.5 object *
583     esrv_get_ob_from_count (object *pl, tag_t count)
584 elmex 1.1 {
585 root 1.5 object *op, *tmp;
586 elmex 1.1
587 root 1.5 if (pl->count == count)
588     return pl;
589 elmex 1.1
590 root 1.5 for (op = pl->inv; op; op = op->below)
591     if (op->count == count)
592     return op;
593     else if (op->type == CONTAINER && pl->container == op)
594     for (tmp = op->inv; tmp; tmp = tmp->below)
595     if (tmp->count == count)
596     return tmp;
597    
598     for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above)
599     if (op->head != NULL && op->head->count == count)
600     return op;
601     else if (op->count == count)
602     return op;
603     else if (op->type == CONTAINER && pl->container == op)
604     for (tmp = op->inv; tmp; tmp = tmp->below)
605     if (tmp->count == count)
606     return tmp;
607 elmex 1.1
608 root 1.5 return NULL;
609 elmex 1.1 }
610    
611    
612     /** Client wants to examine some object. So lets do so. */
613 root 1.5 void
614     ExamineCmd (char *buf, int len, player *pl)
615 elmex 1.1 {
616 root 1.5 long tag = atoi (buf);
617     object *op = esrv_get_ob_from_count (pl->ob, tag);
618 elmex 1.1
619 root 1.5 if (!op)
620     {
621     LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag);
622     return;
623 elmex 1.1 }
624 root 1.5 examine (pl->ob, op);
625 elmex 1.1 }
626    
627     /** Client wants to apply some object. Lets do so. */
628 root 1.5 void
629     ApplyCmd (char *buf, int len, player *pl)
630 elmex 1.1 {
631 root 1.5 uint32 tag = atoi (buf);
632     object *op = esrv_get_ob_from_count (pl->ob, tag);
633 elmex 1.1
634 root 1.5 /* sort of a hack, but if the player saves and the player then manually
635     * applies a savebed (or otherwise tries to do stuff), we run into trouble.
636     */
637     if (QUERY_FLAG (pl->ob, FLAG_REMOVED))
638     return;
639    
640     /* If the high bit is set, player applied a pseudo object. */
641     if (tag & 0x80000000)
642     {
643     pl->socket.look_position = tag & 0x7fffffff;
644     pl->socket.update_look = 1;
645     return;
646     }
647    
648     if (!op)
649     {
650     LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag);
651     return;
652 elmex 1.1 }
653 root 1.5 player_apply (pl->ob, op, 0, 0);
654 elmex 1.1 }
655    
656     /** Client wants to apply some object. Lets do so. */
657 root 1.5 void
658     LockItem (uint8 * data, int len, player *pl)
659 elmex 1.1 {
660 root 1.5 int flag, tag;
661     object *op;
662 elmex 1.1
663 root 1.5 flag = data[0];
664     tag = GetInt_String (data + 1);
665     op = esrv_get_ob_from_count (pl->ob, tag);
666    
667     if (!op)
668     {
669     new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock");
670     return;
671     }
672     if (!flag)
673     CLEAR_FLAG (op, FLAG_INV_LOCKED);
674     else
675     SET_FLAG (op, FLAG_INV_LOCKED);
676     esrv_update_item (UPD_FLAGS, pl->ob, op);
677 elmex 1.1 }
678    
679     /** Client wants to apply some object. Lets do so. */
680 root 1.5 void
681     MarkItem (uint8 * data, int len, player *pl)
682 elmex 1.1 {
683 root 1.5 int tag;
684     object *op;
685 elmex 1.1
686 root 1.5 tag = GetInt_String (data);
687     op = esrv_get_ob_from_count (pl->ob, tag);
688     if (!op)
689     {
690     new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark");
691     return;
692     }
693     pl->mark = op;
694     pl->mark_count = op->count;
695     new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op));
696 elmex 1.1 }
697    
698    
699     /**
700     * look_at prints items on the specified square.
701     *
702     * [ removed EARTHWALL check and added check for containers inventory.
703     * Tero.Haatanen@lut.fi ]
704     */
705 root 1.5 void
706     look_at (object *op, int dx, int dy)
707     {
708     object *tmp;
709     int flag = 0;
710     sint16 x, y;
711     mapstruct *m;
712    
713     x = op->x + dx;
714     y = op->y + dy;
715    
716     if (out_of_map (op->map, x, y))
717     return;
718    
719     m = get_map_from_coord (op->map, &x, &y);
720     if (!m)
721     return;
722    
723     for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above);
724    
725     for (; tmp != NULL; tmp = tmp->below)
726     {
727     if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ))
728     continue;
729    
730     if (!flag)
731     {
732     if (dx || dy)
733     new_draw_info (NDI_UNIQUE, 0, op, "There you see:");
734     else
735     {
736     clear_win_info (op);
737     new_draw_info (NDI_UNIQUE, 0, op, "You see:");
738 root 1.3 }
739 root 1.5 flag = 1;
740     }
741 root 1.3
742 root 1.5 if (QUERY_FLAG (op, FLAG_WIZ))
743     new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count);
744     else
745     new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp));
746    
747     if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) &&
748     (tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ))
749     inventory (op, tmp->head == NULL ? tmp : tmp->head);
750    
751     if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */
752     break;
753     }
754    
755     if (!flag)
756     {
757     if (dx || dy)
758     new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there.");
759     else
760     new_draw_info (NDI_UNIQUE, 0, op, "You see nothing.");
761 elmex 1.1 }
762     }
763    
764    
765    
766     /** Client wants to look at some object. Lets do so. */
767 root 1.5 void
768     LookAt (char *buf, int len, player *pl)
769 elmex 1.1 {
770 root 1.5 int dx, dy;
771     char *cp;
772 elmex 1.1
773 root 1.5 dx = atoi (buf);
774     if (!(cp = strchr (buf, ' ')))
775     {
776     return;
777 elmex 1.1 }
778 root 1.5 dy = atoi (cp);
779 elmex 1.1
780 root 1.5 if (FABS (dx) > pl->socket.mapx / 2 || FABS (dy) > pl->socket.mapy / 2)
781     return;
782 elmex 1.1
783 root 1.5 if (pl->blocked_los[dx + pl->socket.mapx / 2][dy + pl->socket.mapy / 2])
784     return;
785 elmex 1.1
786 root 1.5 look_at (pl->ob, dx, dy);
787 elmex 1.1 }
788    
789     /** Move an object to a new location */
790 root 1.5 void
791     esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof)
792 elmex 1.1 {
793 root 1.5 object *op, *env;
794 elmex 1.1
795 root 1.5 op = esrv_get_ob_from_count (pl, tag);
796     if (!op)
797     {
798     LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag);
799     return;
800 elmex 1.1 }
801    
802 root 1.5 if (!to)
803     { /* drop it to the ground */
804    
805 elmex 1.1 /* LOG(llevDebug, "Drop it on the ground.\n");*/
806    
807 root 1.5 if (op->map && !op->env)
808     {
809    
810 elmex 1.1 /* LOG(llevDebug,"Dropping object to ground that is already on ground\n");*/
811 root 1.5 return;
812 root 1.3 }
813 root 1.5 /* If it is an active container, then we should drop all objects
814     * in the container and not the container itself.
815     */
816     if (op->inv && QUERY_FLAG (op, FLAG_APPLIED))
817     {
818     object *current, *next;
819    
820     for (current = op->inv; current != NULL; current = next)
821     {
822     next = current->below;
823     drop_object (pl, current, 0);
824 root 1.3 }
825 root 1.5 esrv_update_item (UPD_WEIGHT, pl, op);
826 root 1.3 }
827 root 1.5 else
828     {
829     drop_object (pl, op, nrof);
830     }
831     return;
832     }
833     else if (to == pl->count)
834     { /* pick it up to the inventory */
835     /* return if player has already picked it up */
836     if (op->env == pl)
837 root 1.3 return;
838 root 1.5
839     pl->contr->count = nrof;
840     pick_up (pl, op);
841     return;
842     }
843     env = esrv_get_ob_from_count (pl, to);
844     if (!env)
845     {
846     LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to);
847     return;
848     }
849     /* put_object_in_sack presumes that necessary sanity checking
850     * has already been done (eg, it can be picked up and fits in
851     * in a sack, so check for those things. We should also check
852     * an make sure env is in fact a container for that matter.
853     */
854     if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof))
855     {
856     put_object_in_sack (pl, env, op, nrof);
857 elmex 1.1 }
858     }