ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/common/object.C
(Generate patch)

Comparing deliantra/server/common/object.C (file contents):
Revision 1.206 by root, Tue Apr 15 14:21:04 2008 UTC vs.
Revision 1.254 by root, Sun Aug 31 01:17:11 2008 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 22 */
23 23
24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25 sub/add_weight will transcend the environment updating the carrying
26 variable. */
27#include <global.h> 24#include <global.h>
28#include <stdio.h> 25#include <stdio.h>
29#include <sys/types.h> 26#include <sys/types.h>
30#include <sys/uio.h> 27#include <sys/uio.h>
31#include <object.h> 28#include <object.h>
32#include <funcpoint.h>
33#include <sproto.h> 29#include <sproto.h>
34#include <loader.h> 30#include <loader.h>
35 31
36#include <bitset> 32#include <bitset>
37 33
143 139
144/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 140/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
145static bool 141static bool
146compare_ob_value_lists_one (const object *wants, const object *has) 142compare_ob_value_lists_one (const object *wants, const object *has)
147{ 143{
148 key_value *wants_field;
149
150 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both 144 /* n-squared behaviour (see kv_get), but I'm hoping both
151 * objects with lists are rare, and lists stay short. If not, use a 145 * objects with lists are rare, and lists stay short. If not, use a
152 * different structure or at least keep the lists sorted... 146 * different structure or at least keep the lists sorted...
153 */ 147 */
154 148
155 /* For each field in wants, */ 149 /* For each field in wants, */
156 for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next) 150 for (key_value *kv = wants->key_values; kv; kv = kv->next)
157 { 151 if (has->kv_get (kv->key) != kv->value)
158 key_value *has_field; 152 return false;
159
160 /* Look for a field in has with the same key. */
161 has_field = get_ob_key_link (has, wants_field->key);
162
163 if (!has_field)
164 return 0; /* No field with that name. */
165
166 /* Found the matching field. */
167 if (has_field->value != wants_field->value)
168 return 0; /* Values don't match, so this half of the comparison is false. */
169
170 /* If we get here, we found a match. Now for the next field in wants. */
171 }
172 153
173 /* If we get here, every field in wants has a matching field in has. */ 154 /* If we get here, every field in wants has a matching field in has. */
174 return 1; 155 return true;
175} 156}
176 157
177/* Returns TRUE if ob1 has the same key_values as ob2. */ 158/* Returns TRUE if ob1 has the same key_values as ob2. */
178static bool 159static bool
179compare_ob_value_lists (const object *ob1, const object *ob2) 160compare_ob_value_lists (const object *ob1, const object *ob2)
180{ 161{
181 /* However, there may be fields in has which aren't partnered in wants, 162 /* However, there may be fields in has which aren't partnered in wants,
182 * so we need to run the comparison *twice*. :( 163 * so we need to run the comparison *twice*. :(
183 */ 164 */
184 return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1); 165 return compare_ob_value_lists_one (ob1, ob2)
166 && compare_ob_value_lists_one (ob2, ob1);
185} 167}
186 168
187/* Function examines the 2 objects given to it, and returns true if 169/* Function examines the 2 objects given to it, and returns true if
188 * they can be merged together. 170 * they can be merged together.
189 * 171 *
204 || ob1->speed != ob2->speed 186 || ob1->speed != ob2->speed
205 || ob1->value != ob2->value 187 || ob1->value != ob2->value
206 || ob1->name != ob2->name) 188 || ob1->name != ob2->name)
207 return 0; 189 return 0;
208 190
209 /* Do not merge objects if nrof would overflow. First part checks 191 /* Do not merge objects if nrof would overflow, assume nrof
210 * for unsigned overflow (2c), second part checks wether the result 192 * is always 0 .. 2**31-1 */
211 * would fit into a 32 bit signed int, which is often used to hold 193 if (ob1->nrof > 0x7fffffff - ob2->nrof)
212 * nrof values.
213 */
214 if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
215 return 0; 194 return 0;
216 195
217 /* If the objects have been identified, set the BEEN_APPLIED flag. 196 /* If the objects have been identified, set the BEEN_APPLIED flag.
218 * This is to the comparison of the flags below will be OK. We 197 * This is to the comparison of the flags below will be OK. We
219 * just can't ignore the been applied or identified flags, as they 198 * just can't ignore the been applied or identified flags, as they
224 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 203 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
225 204
226 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 205 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
227 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 206 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
228 207
229 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any () 208 if (ob1->arch->archname != ob2->arch->archname
230 || ob1->arch != ob2->arch
231 || ob1->name != ob2->name 209 || ob1->name != ob2->name
232 || ob1->title != ob2->title 210 || ob1->title != ob2->title
233 || ob1->msg != ob2->msg 211 || ob1->msg != ob2->msg
234 || ob1->weight != ob2->weight 212 || ob1->weight != ob2->weight
235 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
236 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
237 || ob1->attacktype != ob2->attacktype 213 || ob1->attacktype != ob2->attacktype
238 || ob1->magic != ob2->magic 214 || ob1->magic != ob2->magic
239 || ob1->slaying != ob2->slaying 215 || ob1->slaying != ob2->slaying
240 || ob1->skill != ob2->skill 216 || ob1->skill != ob2->skill
241 || ob1->value != ob2->value 217 || ob1->value != ob2->value
242 || ob1->animation_id != ob2->animation_id 218 || ob1->animation_id != ob2->animation_id
219 || (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
243 || ob1->client_type != ob2->client_type 220 || ob1->client_type != ob2->client_type
244 || ob1->materialname != ob2->materialname 221 || ob1->materialname != ob2->materialname
245 || ob1->lore != ob2->lore 222 || ob1->lore != ob2->lore
246 || ob1->subtype != ob2->subtype 223 || ob1->subtype != ob2->subtype
247 || ob1->move_type != ob2->move_type 224 || ob1->move_type != ob2->move_type
248 || ob1->move_block != ob2->move_block 225 || ob1->move_block != ob2->move_block
249 || ob1->move_allow != ob2->move_allow 226 || ob1->move_allow != ob2->move_allow
250 || ob1->move_on != ob2->move_on 227 || ob1->move_on != ob2->move_on
251 || ob1->move_off != ob2->move_off 228 || ob1->move_off != ob2->move_off
252 || ob1->move_slow != ob2->move_slow 229 || ob1->move_slow != ob2->move_slow
253 || ob1->move_slow_penalty != ob2->move_slow_penalty) 230 || ob1->move_slow_penalty != ob2->move_slow_penalty
231 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
232 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
233 return 0;
234
235 if ((ob1->flag ^ ob2->flag)
236 .reset (FLAG_INV_LOCKED)
237 .reset (FLAG_CLIENT_SENT)
238 .reset (FLAG_REMOVED)
239 .any ())
254 return 0; 240 return 0;
255 241
256 /* This is really a spellbook check - we should in general 242 /* This is really a spellbook check - we should in general
257 * not merge objects with real inventories, as splitting them 243 * not merge objects with real inventories, as splitting them
258 * is hard. 244 * is hard.
297 283
298 if (ob1->key_values || ob2->key_values) 284 if (ob1->key_values || ob2->key_values)
299 { 285 {
300 /* At least one of these has key_values. */ 286 /* At least one of these has key_values. */
301 if ((!ob1->key_values) != (!ob2->key_values)) 287 if ((!ob1->key_values) != (!ob2->key_values))
302 /* One has fields, but the other one doesn't. */ 288 return 0; /* One has fields, but the other one doesn't. */
303 return 0; 289
304 else if (!compare_ob_value_lists (ob1, ob2)) 290 if (!compare_ob_value_lists (ob1, ob2))
305 return 0; 291 return 0;
306 } 292 }
307 293
308 if (ob1->self || ob2->self) 294 if (ob1->self || ob2->self)
309 { 295 {
315 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0; 301 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
316 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0; 302 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
317 303
318 if (k1 != k2) 304 if (k1 != k2)
319 return 0; 305 return 0;
306
320 else if (k1 == 0) 307 if (k1 == 0)
321 return 1; 308 return 1;
309
322 else if (!cfperl_can_merge (ob1, ob2)) 310 if (!cfperl_can_merge (ob1, ob2))
323 return 0; 311 return 0;
324 } 312 }
325 } 313 }
326 314
327 /* Everything passes, must be OK. */ 315 /* Everything passes, must be OK. */
328 return 1; 316 return 1;
329} 317}
330 318
319// find player who can see this object
320object *
321object::visible_to () const
322{
323 if (client_visible () && !flag [FLAG_REMOVED])
324 {
325 // see if we are in a container of sorts
326 if (env)
327 {
328 // the player inventory itself is always visible
329 if (env->type == PLAYER)
330 return env;
331
332 // else a player could have our env open
333 object *envest = env->outer_env ();
334
335 // the player itself is always on a map, so we will find him here
336 // even if our inv is in a player.
337 if (envest->is_on_map ())
338 if (object *pl = envest->ms ().player ())
339 if (pl->container == env)
340 return pl;
341 }
342 else
343 {
344 // maybe there is a player standing on the same mapspace
345 // this will catch the case where "this" is a player
346 if (object *pl = ms ().player ())
347 if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
348 || this == pl->container)
349 return pl;
350 }
351 }
352
353 return 0;
354}
355
356// adjust weight per container type ("of holding")
357static sint32
358weight_adjust_for (object *op, sint32 weight)
359{
360 return op->type == CONTAINER
361 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
362 : weight;
363}
364
331/* 365/*
366 * adjust_weight(object, weight) adds the specified weight to an object,
367 * and also updates how much the environment(s) is/are carrying.
368 */
369static void
370adjust_weight (object *op, sint32 weight)
371{
372 while (op)
373 {
374 // adjust by actual difference to account for rounding errors
375 // i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
376 weight = weight_adjust_for (op, op->carrying)
377 - weight_adjust_for (op, op->carrying - weight);
378
379 if (!weight)
380 return;
381
382 op->carrying += weight;
383
384 if (object *pl = op->visible_to ())
385 if (pl != op) // player is handled lazily
386 esrv_update_item (UPD_WEIGHT, pl, op);
387
388 op = op->env;
389 }
390}
391
392/*
332 * sum_weight() is a recursive function which calculates the weight 393 * this is a recursive function which calculates the weight
333 * an object is carrying. It goes through in figures out how much 394 * an object is carrying. It goes through op and figures out how much
334 * containers are carrying, and sums it up. 395 * containers are carrying, and sums it up.
335 */ 396 */
336long 397void
337sum_weight (object *op) 398object::update_weight ()
338{ 399{
339 long sum; 400 sint32 sum = 0;
340 object *inv;
341 401
342 for (sum = 0, inv = op->inv; inv; inv = inv->below) 402 for (object *op = inv; op; op = op->below)
343 { 403 {
344 if (inv->inv) 404 if (op->inv)
345 sum_weight (inv); 405 op->update_weight ();
346 406
347 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 407 sum += op->total_weight ();
408 }
409
410 sum = weight_adjust_for (this, sum);
411
412 if (sum != carrying)
348 } 413 {
349
350 if (op->type == CONTAINER && op->stats.Str)
351 sum = (sum * (100 - op->stats.Str)) / 100;
352
353 if (op->carrying != sum)
354 op->carrying = sum; 414 carrying = sum;
355 415
356 return sum; 416 if (object *pl = visible_to ())
417 if (pl != this) // player is handled lazily
418 esrv_update_item (UPD_WEIGHT, pl, this);
419 }
357} 420}
358 421
359/** 422/*
360 * Return the outermost environment object for a given object. 423 * Used by: Server DM commands: dumpbelow, dump. Some error messages.
361 */
362
363object *
364object_get_env_recursive (object *op)
365{
366 while (op->env != NULL)
367 op = op->env;
368 return op;
369}
370
371/*
372 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
373 * Some error messages.
374 * The result of the dump is stored in the static global errmsg array.
375 */ 424 */
376char * 425char *
377dump_object (object *op) 426dump_object (object *op)
378{ 427{
379 if (!op) 428 if (!op)
393get_nearest_part (object *op, const object *pl) 442get_nearest_part (object *op, const object *pl)
394{ 443{
395 object *tmp, *closest; 444 object *tmp, *closest;
396 int last_dist, i; 445 int last_dist, i;
397 446
398 if (op->more == NULL) 447 if (!op->more)
399 return op; 448 return op;
449
400 for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more) 450 for (last_dist = distance (op, pl), closest = op, tmp = op->more;
451 tmp;
452 tmp = tmp->more)
401 if ((i = distance (tmp, pl)) < last_dist) 453 if ((i = distance (tmp, pl)) < last_dist)
402 closest = tmp, last_dist = i; 454 closest = tmp, last_dist = i;
455
403 return closest; 456 return closest;
404} 457}
405 458
406/* 459/*
407 * Returns the object which has the count-variable equal to the argument. 460 * Returns the object which has the count-variable equal to the argument.
461 * VERRRY slow.
408 */ 462 */
409object * 463object *
410find_object (tag_t i) 464find_object (tag_t i)
411{ 465{
412 for_all_objects (op) 466 for_all_objects (op)
423 */ 477 */
424object * 478object *
425find_object_name (const char *str) 479find_object_name (const char *str)
426{ 480{
427 shstr_cmp str_ (str); 481 shstr_cmp str_ (str);
428 object *op;
429 482
483 if (str_)
430 for_all_objects (op) 484 for_all_objects (op)
431 if (op->name == str_) 485 if (op->name == str_)
432 break; 486 return op;
433 487
434 return op; 488 return 0;
435} 489}
436 490
437/* 491/*
438 * Sets the owner and sets the skill and exp pointers to owner's current 492 * Sets the owner and sets the skill and exp pointers to owner's current
439 * skill and experience objects. 493 * skill and experience objects.
537 } 591 }
538 592
539 op->key_values = 0; 593 op->key_values = 0;
540} 594}
541 595
542object & 596/*
543object::operator =(const object &src) 597 * copy_to first frees everything allocated by the dst object,
598 * and then copies the contents of itself into the second
599 * object, allocating what needs to be allocated. Basically, any
600 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
601 * if the first object is freed, the pointers in the new object
602 * will point at garbage.
603 */
604void
605object::copy_to (object *dst)
544{ 606{
545 bool is_freed = flag [FLAG_FREED]; 607 dst->remove ();
546 bool is_removed = flag [FLAG_REMOVED];
547
548 *(object_copy *)this = src; 608 *(object_copy *)dst = *this;
549
550 flag [FLAG_FREED] = is_freed;
551 flag [FLAG_REMOVED] = is_removed; 609 dst->flag [FLAG_REMOVED] = true;
552 610
553 /* Copy over key_values, if any. */ 611 /* Copy over key_values, if any. */
554 if (src.key_values) 612 if (key_values)
555 { 613 {
556 key_value *tail = 0; 614 key_value *tail = 0;
557 key_values = 0; 615 dst->key_values = 0;
558 616
559 for (key_value *i = src.key_values; i; i = i->next) 617 for (key_value *i = key_values; i; i = i->next)
560 { 618 {
561 key_value *new_link = new key_value; 619 key_value *new_link = new key_value;
562 620
563 new_link->next = 0; 621 new_link->next = 0;
564 new_link->key = i->key; 622 new_link->key = i->key;
565 new_link->value = i->value; 623 new_link->value = i->value;
566 624
567 /* Try and be clever here, too. */ 625 /* Try and be clever here, too. */
568 if (!key_values) 626 if (!dst->key_values)
569 { 627 {
570 key_values = new_link; 628 dst->key_values = new_link;
571 tail = new_link; 629 tail = new_link;
572 } 630 }
573 else 631 else
574 { 632 {
575 tail->next = new_link; 633 tail->next = new_link;
576 tail = new_link; 634 tail = new_link;
577 } 635 }
578 } 636 }
579 } 637 }
580}
581
582/*
583 * copy_to first frees everything allocated by the dst object,
584 * and then copies the contents of itself into the second
585 * object, allocating what needs to be allocated. Basically, any
586 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
587 * if the first object is freed, the pointers in the new object
588 * will point at garbage.
589 */
590void
591object::copy_to (object *dst)
592{
593 *dst = *this;
594 638
595 if (speed < 0) 639 if (speed < 0)
596 dst->speed_left -= rndm (); 640 dst->speed_left -= rndm ();
597 641
598 dst->set_speed (dst->speed); 642 dst->set_speed (dst->speed);
620object * 664object *
621object::clone () 665object::clone ()
622{ 666{
623 object *neu = create (); 667 object *neu = create ();
624 copy_to (neu); 668 copy_to (neu);
669 neu->map = map; // not copied by copy_to
625 return neu; 670 return neu;
626} 671}
627 672
628/* 673/*
629 * If an object with the IS_TURNABLE() flag needs to be turned due 674 * If an object with the IS_TURNABLE() flag needs to be turned due
680 * UP_OBJ_FACE: only the objects face has changed. 725 * UP_OBJ_FACE: only the objects face has changed.
681 */ 726 */
682void 727void
683update_object (object *op, int action) 728update_object (object *op, int action)
684{ 729{
685 if (op == NULL) 730 if (!op)
686 { 731 {
687 /* this should never happen */ 732 /* this should never happen */
688 LOG (llevDebug, "update_object() called for NULL object.\n"); 733 LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
689 return; 734 return;
690 } 735 }
691 736
692 if (op->env) 737 if (!op->is_on_map ())
693 { 738 {
694 /* Animation is currently handled by client, so nothing 739 /* Animation is currently handled by client, so nothing
695 * to do in this case. 740 * to do in this case.
696 */ 741 */
697 return; 742 return;
698 } 743 }
699
700 /* If the map is saving, don't do anything as everything is
701 * going to get freed anyways.
702 */
703 if (!op->map || op->map->in_memory == MAP_SAVING)
704 return;
705 744
706 /* make sure the object is within map boundaries */ 745 /* make sure the object is within map boundaries */
707 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height) 746 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
708 { 747 {
709 LOG (llevError, "update_object() called for object out of map!\n"); 748 LOG (llevError, "update_object() called for object out of map!\n");
728 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC)) 767 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
729 || (m.move_on | op->move_on ) != m.move_on 768 || (m.move_on | op->move_on ) != m.move_on
730 || (m.move_off | op->move_off ) != m.move_off 769 || (m.move_off | op->move_off ) != m.move_off
731 || (m.move_slow | op->move_slow) != m.move_slow 770 || (m.move_slow | op->move_slow) != m.move_slow
732 /* This isn't perfect, but I don't expect a lot of objects to 771 /* This isn't perfect, but I don't expect a lot of objects to
733 * to have move_allow right now. 772 * have move_allow right now.
734 */ 773 */
735 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block 774 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
736 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp) 775 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
737 m.flags_ = 0; 776 m.flags_ = 0;
738 } 777 }
852object::destroy_inv (bool drop_to_ground) 891object::destroy_inv (bool drop_to_ground)
853{ 892{
854 // need to check first, because the checks below might segfault 893 // need to check first, because the checks below might segfault
855 // as we might be on an invalid mapspace and crossfire code 894 // as we might be on an invalid mapspace and crossfire code
856 // is too buggy to ensure that the inventory is empty. 895 // is too buggy to ensure that the inventory is empty.
857 // corollary: if you create arrows etc. with stuff in tis inventory, 896 // corollary: if you create arrows etc. with stuff in its inventory,
858 // cf will crash below with off-map x and y 897 // cf will crash below with off-map x and y
859 if (!inv) 898 if (!inv)
860 return; 899 return;
861 900
862 /* Only if the space blocks everything do we not process - 901 /* Only if the space blocks everything do we not process -
864 * drop on that space. 903 * drop on that space.
865 */ 904 */
866 if (!drop_to_ground 905 if (!drop_to_ground
867 || !map 906 || !map
868 || map->in_memory != MAP_ACTIVE 907 || map->in_memory != MAP_ACTIVE
869 || map->nodrop 908 || map->no_drop
870 || ms ().move_block == MOVE_ALL) 909 || ms ().move_block == MOVE_ALL)
871 { 910 {
872 while (inv) 911 while (inv)
873 {
874 inv->destroy_inv (drop_to_ground);
875 inv->destroy (); 912 inv->destroy (true);
876 }
877 } 913 }
878 else 914 else
879 { /* Put objects in inventory onto this space */ 915 { /* Put objects in inventory onto this space */
880 while (inv) 916 while (inv)
881 { 917 {
885 || op->flag [FLAG_NO_DROP] 921 || op->flag [FLAG_NO_DROP]
886 || op->type == RUNE 922 || op->type == RUNE
887 || op->type == TRAP 923 || op->type == TRAP
888 || op->flag [FLAG_IS_A_TEMPLATE] 924 || op->flag [FLAG_IS_A_TEMPLATE]
889 || op->flag [FLAG_DESTROY_ON_DEATH]) 925 || op->flag [FLAG_DESTROY_ON_DEATH])
890 op->destroy (); 926 op->destroy (true);
891 else 927 else
892 map->insert (op, x, y); 928 map->insert (op, x, y);
893 } 929 }
894 } 930 }
895} 931}
899 object *op = new object; 935 object *op = new object;
900 op->link (); 936 op->link ();
901 return op; 937 return op;
902} 938}
903 939
940static struct freed_map : maptile
941{
942 freed_map ()
943 {
944 path = "<freed objects map>";
945 name = "/internal/freed_objects_map";
946 width = 3;
947 height = 3;
948 no_drop = 1;
949 no_reset = 1;
950
951 alloc ();
952 in_memory = MAP_ACTIVE;
953 }
954
955 ~freed_map ()
956 {
957 destroy ();
958 }
959} freed_map; // freed objects are moved here to avoid crashes
960
904void 961void
905object::do_destroy () 962object::do_destroy ()
906{ 963{
907 attachable::do_destroy ();
908
909 if (flag [FLAG_IS_LINKED]) 964 if (flag [FLAG_IS_LINKED])
910 remove_button_link (this); 965 remove_button_link (this);
911 966
912 if (flag [FLAG_FRIENDLY]) 967 if (flag [FLAG_FRIENDLY])
913 remove_friendly_object (this); 968 remove_friendly_object (this);
914 969
915 if (!flag [FLAG_REMOVED])
916 remove (); 970 remove ();
917 971
918 destroy_inv (true); 972 attachable::do_destroy ();
919 973
920 deactivate (); 974 deactivate ();
921 unlink (); 975 unlink ();
922 976
923 flag [FLAG_FREED] = 1; 977 flag [FLAG_FREED] = 1;
924 978
925 // hack to ensure that freed objects still have a valid map 979 // hack to ensure that freed objects still have a valid map
926 {
927 static maptile *freed_map; // freed objects are moved here to avoid crashes
928
929 if (!freed_map)
930 {
931 freed_map = new maptile;
932
933 freed_map->path = "<freed objects map>";
934 freed_map->name = "/internal/freed_objects_map";
935 freed_map->width = 3;
936 freed_map->height = 3;
937 freed_map->nodrop = 1;
938
939 freed_map->alloc ();
940 freed_map->in_memory = MAP_ACTIVE;
941 }
942
943 map = freed_map; 980 map = &freed_map;
944 x = 1; 981 x = 1;
945 y = 1; 982 y = 1;
946 }
947 983
948 if (more) 984 if (more)
949 { 985 {
950 more->destroy (); 986 more->destroy ();
951 more = 0; 987 more = 0;
964object::destroy (bool destroy_inventory) 1000object::destroy (bool destroy_inventory)
965{ 1001{
966 if (destroyed ()) 1002 if (destroyed ())
967 return; 1003 return;
968 1004
1005 if (!is_head () && !head->destroyed ())
1006 {
1007 LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1008 head->destroy (destroy_inventory);
1009 return;
1010 }
1011
969 if (destroy_inventory) 1012 destroy_inv (!destroy_inventory);
970 destroy_inv (false);
971 1013
972 if (is_head ()) 1014 if (is_head ())
973 if (sound_destroy) 1015 if (sound_destroy)
974 play_sound (sound_destroy); 1016 play_sound (sound_destroy);
975 else if (flag [FLAG_MONSTER]) 1017 else if (flag [FLAG_MONSTER])
976 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism 1018 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
977 1019
978 attachable::destroy (); 1020 attachable::destroy ();
979}
980
981/*
982 * sub_weight() recursively (outwards) subtracts a number from the
983 * weight of an object (and what is carried by it's environment(s)).
984 */
985void
986sub_weight (object *op, signed long weight)
987{
988 while (op != NULL)
989 {
990 if (op->type == CONTAINER)
991 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
992
993 op->carrying -= weight;
994 op = op->env;
995 }
996} 1021}
997 1022
998/* op->remove (): 1023/* op->remove ():
999 * This function removes the object op from the linked list of objects 1024 * This function removes the object op from the linked list of objects
1000 * which it is currently tied to. When this function is done, the 1025 * which it is currently tied to. When this function is done, the
1006object::do_remove () 1031object::do_remove ()
1007{ 1032{
1008 object *tmp, *last = 0; 1033 object *tmp, *last = 0;
1009 object *otmp; 1034 object *otmp;
1010 1035
1011 if (QUERY_FLAG (this, FLAG_REMOVED)) 1036 if (flag [FLAG_REMOVED])
1012 return; 1037 return;
1013 1038
1014 SET_FLAG (this, FLAG_REMOVED);
1015 INVOKE_OBJECT (REMOVE, this); 1039 INVOKE_OBJECT (REMOVE, this);
1040
1041 flag [FLAG_REMOVED] = true;
1016 1042
1017 if (more) 1043 if (more)
1018 more->remove (); 1044 more->remove ();
1019 1045
1020 /* 1046 /*
1021 * In this case, the object to be removed is in someones 1047 * In this case, the object to be removed is in someones
1022 * inventory. 1048 * inventory.
1023 */ 1049 */
1024 if (env) 1050 if (env)
1025 { 1051 {
1026 if (nrof) 1052 flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1027 sub_weight (env, weight * nrof); 1053 if (object *pl = visible_to ())
1028 else 1054 esrv_del_item (pl->contr, count);
1029 sub_weight (env, weight + carrying); 1055 flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1056
1057 adjust_weight (env, -total_weight ());
1058
1059 /* we set up values so that it could be inserted into
1060 * the map, but we don't actually do that - it is up
1061 * to the caller to decide what we want to do.
1062 */
1063 map = env->map;
1064 x = env->x;
1065 y = env->y;
1066
1067 // make sure cmov optimisation is applicable
1068 *(above ? &above->below : &env->inv) = below;
1069 *(below ? &below->above : &above ) = above; // &above is just a dummy
1070
1071 above = 0;
1072 below = 0;
1073 env = 0;
1030 1074
1031 /* NO_FIX_PLAYER is set when a great many changes are being 1075 /* NO_FIX_PLAYER is set when a great many changes are being
1032 * made to players inventory. If set, avoiding the call 1076 * made to players inventory. If set, avoiding the call
1033 * to save cpu time. 1077 * to save cpu time.
1034 */ 1078 */
1035 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1079 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1036 otmp->update_stats (); 1080 otmp->update_stats ();
1037
1038 if (above)
1039 above->below = below;
1040 else
1041 env->inv = below;
1042
1043 if (below)
1044 below->above = above;
1045
1046 /* we set up values so that it could be inserted into
1047 * the map, but we don't actually do that - it is up
1048 * to the caller to decide what we want to do.
1049 */
1050 x = env->x, y = env->y;
1051 map = env->map;
1052 above = 0, below = 0;
1053 env = 0;
1054 } 1081 }
1055 else if (map) 1082 else if (map)
1056 { 1083 {
1057 if (type == PLAYER)
1058 {
1059 // leaving a spot always closes any open container on the ground
1060 if (container && !container->env)
1061 // this causes spurious floorbox updates, but it ensures
1062 // that the CLOSE event is being sent.
1063 close_container ();
1064
1065 --map->players;
1066 map->touch ();
1067 }
1068
1069 map->dirty = true; 1084 map->dirty = true;
1070 mapspace &ms = this->ms (); 1085 mapspace &ms = this->ms ();
1071 1086
1087 if (object *pl = ms.player ())
1088 {
1089 if (type == PLAYER) // this == pl(!)
1090 {
1091 // leaving a spot always closes any open container on the ground
1092 if (container && !container->env)
1093 // this causes spurious floorbox updates, but it ensures
1094 // that the CLOSE event is being sent.
1095 close_container ();
1096
1097 --map->players;
1098 map->touch ();
1099 }
1100 else if (pl->container == this)
1101 {
1102 // removing a container should close it
1103 close_container ();
1104 }
1105
1106 esrv_del_item (pl->contr, count);
1107 }
1108
1072 /* link the object above us */ 1109 /* link the object above us */
1073 if (above) 1110 // re-link, make sure compiler can easily use cmove
1074 above->below = below; 1111 *(above ? &above->below : &ms.top) = below;
1075 else 1112 *(below ? &below->above : &ms.bot) = above;
1076 ms.top = below; /* we were top, set new top */
1077
1078 /* Relink the object below us, if there is one */
1079 if (below)
1080 below->above = above;
1081 else
1082 {
1083 /* Nothing below, which means we need to relink map object for this space
1084 * use translated coordinates in case some oddness with map tiling is
1085 * evident
1086 */
1087 if (GET_MAP_OB (map, x, y) != this)
1088 LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1089
1090 ms.bot = above; /* goes on above it. */
1091 }
1092 1113
1093 above = 0; 1114 above = 0;
1094 below = 0; 1115 below = 0;
1116
1117 ms.flags_ = 0;
1095 1118
1096 if (map->in_memory == MAP_SAVING) 1119 if (map->in_memory == MAP_SAVING)
1097 return; 1120 return;
1098 1121
1099 int check_walk_off = !flag [FLAG_NO_APPLY]; 1122 int check_walk_off = !flag [FLAG_NO_APPLY];
1105 * removed (most likely destroyed), update the player view 1128 * removed (most likely destroyed), update the player view
1106 * appropriately. 1129 * appropriately.
1107 */ 1130 */
1108 pl->close_container (); 1131 pl->close_container ();
1109 1132
1133 //TODO: the floorbox prev/next might need updating
1134 //esrv_del_item (pl->contr, count);
1135 //TODO: update floorbox to preserve ordering
1136 if (pl->contr->ns)
1110 pl->contr->ns->floorbox_update (); 1137 pl->contr->ns->floorbox_update ();
1111 } 1138 }
1112 1139
1113 for (tmp = ms.bot; tmp; tmp = tmp->above) 1140 for (tmp = ms.bot; tmp; tmp = tmp->above)
1114 { 1141 {
1115 /* No point updating the players look faces if he is the object 1142 /* No point updating the players look faces if he is the object
1128 } 1155 }
1129 1156
1130 last = tmp; 1157 last = tmp;
1131 } 1158 }
1132 1159
1133 /* last == NULL if there are no objects on this space */
1134 //TODO: this makes little sense, why only update the topmost object?
1135 if (!last)
1136 map->at (x, y).flags_ = 0;
1137 else
1138 update_object (last, UP_OBJ_REMOVE);
1139
1140 if (flag [FLAG_BLOCKSVIEW] || glow_radius) 1160 if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1141 update_all_los (map, x, y); 1161 update_all_los (map, x, y);
1142 } 1162 }
1143} 1163}
1144 1164
1159 if (!top) 1179 if (!top)
1160 for (top = op; top && top->above; top = top->above) 1180 for (top = op; top && top->above; top = top->above)
1161 ; 1181 ;
1162 1182
1163 for (; top; top = top->below) 1183 for (; top; top = top->below)
1164 {
1165 if (top == op)
1166 continue;
1167
1168 if (object::can_merge (op, top)) 1184 if (object::can_merge (op, top))
1169 { 1185 {
1170 top->nrof += op->nrof; 1186 top->nrof += op->nrof;
1171 1187
1172/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/ 1188 if (object *pl = top->visible_to ())
1173 op->weight = 0; /* Don't want any adjustements now */ 1189 esrv_update_item (UPD_NROF, pl, top);
1190
1191 op->weight = 0; // cancel the addition above
1192 op->carrying = 0; // must be 0 already
1193
1174 op->destroy (); 1194 op->destroy (1);
1195
1175 return top; 1196 return top;
1176 } 1197 }
1177 }
1178 1198
1179 return 0; 1199 return 0;
1180} 1200}
1181 1201
1182void 1202void
1207 * job preparing multi-part monsters. 1227 * job preparing multi-part monsters.
1208 */ 1228 */
1209object * 1229object *
1210insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y) 1230insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1211{ 1231{
1232 op->remove ();
1233
1212 for (object *tmp = op->head_ (); tmp; tmp = tmp->more) 1234 for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1213 { 1235 {
1214 tmp->x = x + tmp->arch->x; 1236 tmp->x = x + tmp->arch->x;
1215 tmp->y = y + tmp->arch->y; 1237 tmp->y = y + tmp->arch->y;
1216 } 1238 }
1239 * just 'op' otherwise 1261 * just 'op' otherwise
1240 */ 1262 */
1241object * 1263object *
1242insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1264insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1243{ 1265{
1244 assert (!op->flag [FLAG_FREED]); 1266 if (op->is_on_map ())
1267 {
1268 LOG (llevError, "insert_ob_in_map called for object already on map");
1269 abort ();
1270 }
1245 1271
1246 object *top, *floor = NULL; 1272 if (op->env)
1247 1273 {
1274 LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
1248 op->remove (); 1275 op->remove ();
1276 }
1277
1278 if (op->face && !face_info (op->face))//D TODO: remove soon
1279 {//D
1280 LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
1281 op->face = 1;//D
1282 }//D
1249 1283
1250 /* Ideally, the caller figures this out. However, it complicates a lot 1284 /* Ideally, the caller figures this out. However, it complicates a lot
1251 * of areas of callers (eg, anything that uses find_free_spot would now 1285 * of areas of callers (eg, anything that uses find_free_spot would now
1252 * need extra work 1286 * need extra work
1253 */ 1287 */
1254 if (!xy_normalise (m, op->x, op->y)) 1288 if (!xy_normalise (m, op->x, op->y))
1255 { 1289 {
1256 op->destroy (); 1290 op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
1257 return 0; 1291 return 0;
1258 } 1292 }
1259 1293
1260 if (object *more = op->more) 1294 if (object *more = op->more)
1261 if (!insert_ob_in_map (more, m, originator, flag)) 1295 if (!insert_ob_in_map (more, m, originator, flag))
1270 */ 1304 */
1271 if (op->nrof && !(flag & INS_NO_MERGE)) 1305 if (op->nrof && !(flag & INS_NO_MERGE))
1272 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1306 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1273 if (object::can_merge (op, tmp)) 1307 if (object::can_merge (op, tmp))
1274 { 1308 {
1309 // TODO: we actually want to update tmp, not op,
1310 // but some caller surely breaks when we return tmp
1311 // from here :/
1275 op->nrof += tmp->nrof; 1312 op->nrof += tmp->nrof;
1276 tmp->destroy (); 1313 tmp->destroy (1);
1277 } 1314 }
1278 1315
1279 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1316 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1280 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1317 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1281 1318
1288 { 1325 {
1289 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n"); 1326 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1290 abort (); 1327 abort ();
1291 } 1328 }
1292 1329
1330 if (!originator->is_on_map ())
1331 LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
1332 op->debug_desc (), originator->debug_desc ());
1333
1293 op->above = originator; 1334 op->above = originator;
1294 op->below = originator->below; 1335 op->below = originator->below;
1295
1296 if (op->below)
1297 op->below->above = op;
1298 else
1299 ms.bot = op;
1300
1301 /* since *below* originator, no need to update top */
1302 originator->below = op; 1336 originator->below = op;
1337
1338 *(op->below ? &op->below->above : &ms.bot) = op;
1303 } 1339 }
1304 else 1340 else
1305 { 1341 {
1306 top = ms.bot; 1342 object *floor = 0;
1343 object *top = ms.top;
1307 1344
1308 /* If there are other objects, then */ 1345 /* If there are other objects, then */
1309 if (top) 1346 if (top)
1310 { 1347 {
1311 object *last = 0;
1312
1313 /* 1348 /*
1314 * If there are multiple objects on this space, we do some trickier handling. 1349 * If there are multiple objects on this space, we do some trickier handling.
1315 * We've already dealt with merging if appropriate. 1350 * We've already dealt with merging if appropriate.
1316 * Generally, we want to put the new object on top. But if 1351 * Generally, we want to put the new object on top. But if
1317 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last 1352 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1320 * once we get to them. This reduces the need to traverse over all of 1355 * once we get to them. This reduces the need to traverse over all of
1321 * them when adding another one - this saves quite a bit of cpu time 1356 * them when adding another one - this saves quite a bit of cpu time
1322 * when lots of spells are cast in one area. Currently, it is presumed 1357 * when lots of spells are cast in one area. Currently, it is presumed
1323 * that flying non pickable objects are spell objects. 1358 * that flying non pickable objects are spell objects.
1324 */ 1359 */
1325 for (top = ms.bot; top; top = top->above) 1360 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1326 { 1361 {
1327 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1362 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1328 floor = top; 1363 floor = tmp;
1329 1364
1330 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1365 if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1331 { 1366 {
1332 /* We insert above top, so we want this object below this */ 1367 /* We insert above top, so we want this object below this */
1333 top = top->below; 1368 top = tmp->below;
1334 break; 1369 break;
1335 } 1370 }
1336 1371
1337 last = top; 1372 top = tmp;
1338 } 1373 }
1339
1340 /* Don't want top to be NULL, so set it to the last valid object */
1341 top = last;
1342 1374
1343 /* We let update_position deal with figuring out what the space 1375 /* We let update_position deal with figuring out what the space
1344 * looks like instead of lots of conditions here. 1376 * looks like instead of lots of conditions here.
1345 * makes things faster, and effectively the same result. 1377 * makes things faster, and effectively the same result.
1346 */ 1378 */
1353 */ 1385 */
1354 if (!(flag & INS_ON_TOP) 1386 if (!(flag & INS_ON_TOP)
1355 && ms.flags () & P_BLOCKSVIEW 1387 && ms.flags () & P_BLOCKSVIEW
1356 && (op->face && !faces [op->face].visibility)) 1388 && (op->face && !faces [op->face].visibility))
1357 { 1389 {
1390 object *last;
1391
1358 for (last = top; last != floor; last = last->below) 1392 for (last = top; last != floor; last = last->below)
1359 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1393 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1360 break; 1394 break;
1361 1395
1362 /* Check to see if we found the object that blocks view, 1396 /* Check to see if we found the object that blocks view,
1370 } /* If objects on this space */ 1404 } /* If objects on this space */
1371 1405
1372 if (flag & INS_ABOVE_FLOOR_ONLY) 1406 if (flag & INS_ABOVE_FLOOR_ONLY)
1373 top = floor; 1407 top = floor;
1374 1408
1375 /* Top is the object that our object (op) is going to get inserted above. 1409 // insert object above top, or bottom-most if top = 0
1376 */
1377
1378 /* First object on this space */
1379 if (!top) 1410 if (!top)
1380 { 1411 {
1412 op->below = 0;
1381 op->above = ms.bot; 1413 op->above = ms.bot;
1382
1383 if (op->above)
1384 op->above->below = op;
1385
1386 op->below = 0;
1387 ms.bot = op; 1414 ms.bot = op;
1415
1416 *(op->above ? &op->above->below : &ms.top) = op;
1388 } 1417 }
1389 else 1418 else
1390 { /* get inserted into the stack above top */ 1419 {
1391 op->above = top->above; 1420 op->above = top->above;
1392
1393 if (op->above)
1394 op->above->below = op; 1421 top->above = op;
1395 1422
1396 op->below = top; 1423 op->below = top;
1397 top->above = op; 1424 *(op->above ? &op->above->below : &ms.top) = op;
1398 } 1425 }
1399 1426 }
1400 if (!op->above)
1401 ms.top = op;
1402 } /* else not INS_BELOW_ORIGINATOR */
1403 1427
1404 if (op->type == PLAYER) 1428 if (op->type == PLAYER)
1405 { 1429 {
1406 op->contr->do_los = 1; 1430 op->contr->do_los = 1;
1407 ++op->map->players; 1431 ++op->map->players;
1409 } 1433 }
1410 1434
1411 op->map->dirty = true; 1435 op->map->dirty = true;
1412 1436
1413 if (object *pl = ms.player ()) 1437 if (object *pl = ms.player ())
1438 //TODO: the floorbox prev/next might need updating
1439 //esrv_send_item (pl, op);
1440 //TODO: update floorbox to preserve ordering
1441 if (pl->contr->ns)
1414 pl->contr->ns->floorbox_update (); 1442 pl->contr->ns->floorbox_update ();
1415 1443
1416 /* If this object glows, it may affect lighting conditions that are 1444 /* If this object glows, it may affect lighting conditions that are
1417 * visible to others on this map. But update_all_los is really 1445 * visible to others on this map. But update_all_los is really
1418 * an inefficient way to do this, as it means los for all players 1446 * an inefficient way to do this, as it means los for all players
1419 * on the map will get recalculated. The players could very well 1447 * on the map will get recalculated. The players could very well
1461 * op is the object to insert it under: supplies x and the map. 1489 * op is the object to insert it under: supplies x and the map.
1462 */ 1490 */
1463void 1491void
1464replace_insert_ob_in_map (const char *arch_string, object *op) 1492replace_insert_ob_in_map (const char *arch_string, object *op)
1465{ 1493{
1466 object *tmp, *tmp1;
1467
1468 /* first search for itself and remove any old instances */ 1494 /* first search for itself and remove any old instances */
1469 1495
1470 for (tmp = op->ms ().bot; tmp; tmp = tmp->above) 1496 for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1471 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */ 1497 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1472 tmp->destroy (); 1498 tmp->destroy (1);
1473 1499
1474 tmp1 = arch_to_object (archetype::find (arch_string)); 1500 object *tmp = arch_to_object (archetype::find (arch_string));
1475 1501
1476 tmp1->x = op->x; 1502 tmp->x = op->x;
1477 tmp1->y = op->y; 1503 tmp->y = op->y;
1504
1478 insert_ob_in_map (tmp1, op->map, op, 0); 1505 insert_ob_in_map (tmp, op->map, op, 0);
1479} 1506}
1480 1507
1481object * 1508object *
1482object::insert_at (object *where, object *originator, int flags) 1509object::insert_at (object *where, object *originator, int flags)
1483{ 1510{
1486 else 1513 else
1487 return where->map->insert (this, where->x, where->y, originator, flags); 1514 return where->map->insert (this, where->x, where->y, originator, flags);
1488} 1515}
1489 1516
1490/* 1517/*
1491 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1492 * is returned contains nr objects, and the remaining parts contains
1493 * the rest (or is removed and freed if that number is 0).
1494 * On failure, NULL is returned, and the reason put into the
1495 * global static errmsg array.
1496 */
1497object *
1498get_split_ob (object *orig_ob, uint32 nr)
1499{
1500 object *newob;
1501 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1502
1503 if (orig_ob->nrof < nr)
1504 {
1505 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1506 return NULL;
1507 }
1508
1509 newob = object_create_clone (orig_ob);
1510
1511 if ((orig_ob->nrof -= nr) < 1)
1512 orig_ob->destroy (1);
1513 else if (!is_removed)
1514 {
1515 if (orig_ob->env != NULL)
1516 sub_weight (orig_ob->env, orig_ob->weight * nr);
1517 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_ACTIVE)
1518 {
1519 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1520 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1521 return NULL;
1522 }
1523 }
1524
1525 newob->nrof = nr;
1526
1527 return newob;
1528}
1529
1530/*
1531 * decrease_ob_nr(object, number) decreases a specified number from 1518 * decrease(object, number) decreases a specified number from
1532 * the amount of an object. If the amount reaches 0, the object 1519 * the amount of an object. If the amount reaches 0, the object
1533 * is subsequently removed and freed. 1520 * is subsequently removed and freed.
1534 * 1521 *
1535 * Return value: 'op' if something is left, NULL if the amount reached 0 1522 * Return value: 'op' if something is left, NULL if the amount reached 0
1536 */ 1523 */
1524bool
1525object::decrease (sint32 nr)
1526{
1527 if (!nr)
1528 return true;
1529
1530 nr = min (nr, nrof);
1531
1532 if (nrof > nr)
1533 {
1534 nrof -= nr;
1535 adjust_weight (env, -weight * max (1, nr)); // carrying == 0
1536
1537 if (object *pl = visible_to ())
1538 esrv_update_item (UPD_NROF, pl, this);
1539
1540 return true;
1541 }
1542 else
1543 {
1544 destroy ();
1545 return false;
1546 }
1547}
1548
1549/*
1550 * split(ob,nr) splits up ob into two parts. The part which
1551 * is returned contains nr objects, and the remaining parts contains
1552 * the rest (or is removed and returned if that number is 0).
1553 * On failure, NULL is returned.
1554 */
1537object * 1555object *
1538decrease_ob_nr (object *op, uint32 i) 1556object::split (sint32 nr)
1539{ 1557{
1540 object *tmp; 1558 int have = number_of ();
1541 1559
1542 if (i == 0) /* objects with op->nrof require this check */ 1560 if (have < nr)
1543 return op; 1561 return 0;
1544 1562 else if (have == nr)
1545 if (i > op->nrof)
1546 i = op->nrof;
1547
1548 if (QUERY_FLAG (op, FLAG_REMOVED))
1549 op->nrof -= i;
1550 else if (op->env)
1551 { 1563 {
1552 /* is this object in the players inventory, or sub container
1553 * therein?
1554 */
1555 tmp = op->in_player ();
1556 /* nope. Is this a container the player has opened?
1557 * If so, set tmp to that player.
1558 * IMO, searching through all the players will mostly
1559 * likely be quicker than following op->env to the map,
1560 * and then searching the map for a player.
1561 */
1562 if (!tmp)
1563 for_all_players (pl)
1564 if (pl->ob->container == op->env)
1565 {
1566 tmp = pl->ob;
1567 break;
1568 }
1569
1570 if (i < op->nrof)
1571 {
1572 sub_weight (op->env, op->weight * i);
1573 op->nrof -= i;
1574 if (tmp)
1575 esrv_send_item (tmp, op);
1576 }
1577 else
1578 {
1579 op->remove (); 1564 remove ();
1580 op->nrof = 0; 1565 return this;
1581 if (tmp)
1582 esrv_del_item (tmp->contr, op->count);
1583 }
1584 } 1566 }
1585 else 1567 else
1586 { 1568 {
1587 object *above = op->above; 1569 decrease (nr);
1588 1570
1589 if (i < op->nrof) 1571 object *op = deep_clone ();
1590 op->nrof -= i; 1572 op->nrof = nr;
1591 else
1592 {
1593 op->remove ();
1594 op->nrof = 0;
1595 }
1596
1597 /* Since we just removed op, op->above is null */
1598 for (tmp = above; tmp; tmp = tmp->above)
1599 if (tmp->type == PLAYER)
1600 {
1601 if (op->nrof)
1602 esrv_send_item (tmp, op);
1603 else
1604 esrv_del_item (tmp->contr, op->count);
1605 }
1606 }
1607
1608 if (op->nrof)
1609 return op; 1573 return op;
1610 else
1611 {
1612 op->destroy ();
1613 return 0;
1614 }
1615}
1616
1617/*
1618 * add_weight(object, weight) adds the specified weight to an object,
1619 * and also updates how much the environment(s) is/are carrying.
1620 */
1621void
1622add_weight (object *op, signed long weight)
1623{
1624 while (op != NULL)
1625 {
1626 if (op->type == CONTAINER)
1627 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1628
1629 op->carrying += weight;
1630 op = op->env;
1631 } 1574 }
1632} 1575}
1633 1576
1634object * 1577object *
1635insert_ob_in_ob (object *op, object *where) 1578insert_ob_in_ob (object *op, object *where)
1660 * be != op, if items are merged. -Tero 1603 * be != op, if items are merged. -Tero
1661 */ 1604 */
1662object * 1605object *
1663object::insert (object *op) 1606object::insert (object *op)
1664{ 1607{
1665 if (!QUERY_FLAG (op, FLAG_REMOVED))
1666 op->remove ();
1667
1668 if (op->more) 1608 if (op->more)
1669 { 1609 {
1670 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1610 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1671 return op; 1611 return op;
1672 } 1612 }
1673 1613
1674 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1614 op->remove ();
1675 CLEAR_FLAG (op, FLAG_REMOVED); 1615
1616 op->flag [FLAG_OBJ_ORIGINAL] = 0;
1676 1617
1677 if (op->nrof) 1618 if (op->nrof)
1678 {
1679 for (object *tmp = inv; tmp; tmp = tmp->below) 1619 for (object *tmp = inv; tmp; tmp = tmp->below)
1680 if (object::can_merge (tmp, op)) 1620 if (object::can_merge (tmp, op))
1681 { 1621 {
1682 /* return the original object and remove inserted object 1622 /* return the original object and remove inserted object
1683 (client needs the original object) */ 1623 (client needs the original object) */
1684 tmp->nrof += op->nrof; 1624 tmp->nrof += op->nrof;
1685 /* Weight handling gets pretty funky. Since we are adding to 1625
1686 * tmp->nrof, we need to increase the weight. 1626 if (object *pl = tmp->visible_to ())
1687 */ 1627 esrv_update_item (UPD_NROF, pl, tmp);
1628
1688 add_weight (this, op->weight * op->nrof); 1629 adjust_weight (this, op->total_weight ());
1689 SET_FLAG (op, FLAG_REMOVED); 1630
1690 op->destroy (); /* free the inserted object */ 1631 op->destroy (1);
1691 op = tmp; 1632 op = tmp;
1692 op->remove (); /* and fix old object's links */ 1633 goto inserted;
1693 CLEAR_FLAG (op, FLAG_REMOVED);
1694 break;
1695 } 1634 }
1696 1635
1697 /* I assume combined objects have no inventory
1698 * We add the weight - this object could have just been removed
1699 * (if it was possible to merge). calling remove_ob will subtract
1700 * the weight, so we need to add it in again, since we actually do
1701 * the linking below
1702 */
1703 add_weight (this, op->weight * op->nrof);
1704 }
1705 else
1706 add_weight (this, (op->weight + op->carrying));
1707
1708 if (object *otmp = this->in_player ())
1709 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1710 otmp->update_stats ();
1711
1712 op->owner = 0; // its his/hers now. period. 1636 op->owner = 0; // it's his/hers now. period.
1713 op->map = 0; 1637 op->map = 0;
1638 op->x = 0;
1639 op->y = 0;
1640
1641 op->above = 0;
1642 op->below = inv;
1714 op->env = this; 1643 op->env = this;
1715 op->above = 0;
1716 op->below = 0;
1717 op->x = op->y = 0;
1718 1644
1645 if (inv)
1646 inv->above = op;
1647
1648 inv = op;
1649
1650 op->flag [FLAG_REMOVED] = 0;
1651
1652 if (object *pl = op->visible_to ())
1653 esrv_send_item (pl, op);
1654
1655 adjust_weight (this, op->total_weight ());
1656
1657inserted:
1719 /* reset the light list and los of the players on the map */ 1658 /* reset the light list and los of the players on the map */
1720 if (op->glow_radius && map) 1659 if (op->glow_radius && map && map->darkness)
1721 {
1722#ifdef DEBUG_LIGHTS
1723 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1724#endif /* DEBUG_LIGHTS */
1725 if (map->darkness)
1726 update_all_los (map, x, y); 1660 update_all_los (map, x, y);
1727 }
1728 1661
1729 /* Client has no idea of ordering so lets not bother ordering it here. 1662 // if this is a player's inventory, update stats
1730 * It sure simplifies this function... 1663 if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1731 */ 1664 update_stats ();
1732 if (!inv)
1733 inv = op;
1734 else
1735 {
1736 op->below = inv;
1737 op->below->above = op;
1738 inv = op;
1739 }
1740 1665
1741 INVOKE_OBJECT (INSERT, this); 1666 INVOKE_OBJECT (INSERT, this);
1742 1667
1743 return op; 1668 return op;
1744} 1669}
1872 LOG (llevError, "Present_arch called outside map.\n"); 1797 LOG (llevError, "Present_arch called outside map.\n");
1873 return NULL; 1798 return NULL;
1874 } 1799 }
1875 1800
1876 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above) 1801 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877 if (tmp->arch == at) 1802 if (tmp->arch->archname == at->archname)
1878 return tmp; 1803 return tmp;
1879 1804
1880 return NULL; 1805 return NULL;
1881} 1806}
1882 1807
1946 * The first matching object is returned, or NULL if none. 1871 * The first matching object is returned, or NULL if none.
1947 */ 1872 */
1948object * 1873object *
1949present_arch_in_ob (const archetype *at, const object *op) 1874present_arch_in_ob (const archetype *at, const object *op)
1950{ 1875{
1951 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1876 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1952 if (tmp->arch == at) 1877 if (tmp->arch->archname == at->archname)
1953 return tmp; 1878 return tmp;
1954 1879
1955 return NULL; 1880 return NULL;
1956} 1881}
1957 1882
2366 2291
2367/* 2292/*
2368 * create clone from object to another 2293 * create clone from object to another
2369 */ 2294 */
2370object * 2295object *
2371object_create_clone (object *asrc) 2296object::deep_clone ()
2372{ 2297{
2373 object *dst = 0, *tmp, *src, *prev, *item; 2298 assert (("deep_clone called on non-head object", is_head ()));
2374 2299
2375 if (!asrc) 2300 object *dst = clone ();
2376 return 0;
2377 2301
2378 src = asrc->head_ (); 2302 object *prev = dst;
2379
2380 prev = 0;
2381 for (object *part = src; part; part = part->more) 2303 for (object *part = this->more; part; part = part->more)
2382 { 2304 {
2383 tmp = part->clone (); 2305 object *tmp = part->clone ();
2384 tmp->x -= src->x;
2385 tmp->y -= src->y;
2386
2387 if (!part->head)
2388 {
2389 dst = tmp;
2390 tmp->head = 0;
2391 }
2392 else
2393 tmp->head = dst; 2306 tmp->head = dst;
2394
2395 tmp->more = 0;
2396
2397 if (prev)
2398 prev->more = tmp; 2307 prev->more = tmp;
2399
2400 prev = tmp; 2308 prev = tmp;
2401 } 2309 }
2402 2310
2403 for (item = src->inv; item; item = item->below) 2311 for (object *item = inv; item; item = item->below)
2404 insert_ob_in_ob (object_create_clone (item), dst); 2312 insert_ob_in_ob (item->deep_clone (), dst);
2405 2313
2406 return dst; 2314 return dst;
2407} 2315}
2408 2316
2409/* This returns the first object in who's inventory that 2317/* This returns the first object in who's inventory that
2418 return tmp; 2326 return tmp;
2419 2327
2420 return 0; 2328 return 0;
2421} 2329}
2422 2330
2423/* If ob has a field named key, return the link from the list, 2331const shstr &
2424 * otherwise return NULL. 2332object::kv_get (const shstr &key) const
2425 *
2426 * key must be a passed in shared string - otherwise, this won't
2427 * do the desired thing.
2428 */
2429key_value *
2430get_ob_key_link (const object *ob, const char *key)
2431{ 2333{
2432 for (key_value *link = ob->key_values; link; link = link->next) 2334 for (key_value *kv = key_values; kv; kv = kv->next)
2433 if (link->key == key) 2335 if (kv->key == key)
2434 return link;
2435
2436 return 0;
2437}
2438
2439/*
2440 * Returns the value of op has an extra_field for key, or NULL.
2441 *
2442 * The argument doesn't need to be a shared string.
2443 *
2444 * The returned string is shared.
2445 */
2446const char *
2447get_ob_key_value (const object *op, const char *const key)
2448{
2449 key_value *link;
2450 shstr_cmp canonical_key (key);
2451
2452 if (!canonical_key)
2453 {
2454 /* 1. There being a field named key on any object
2455 * implies there'd be a shared string to find.
2456 * 2. Since there isn't, no object has this field.
2457 * 3. Therefore, *this* object doesn't have this field.
2458 */
2459 return 0;
2460 }
2461
2462 /* This is copied from get_ob_key_link() above -
2463 * only 4 lines, and saves the function call overhead.
2464 */
2465 for (link = op->key_values; link; link = link->next)
2466 if (link->key == canonical_key)
2467 return link->value; 2336 return kv->value;
2468 2337
2469 return 0; 2338 return shstr_null;
2470} 2339}
2471 2340
2472/* 2341void
2473 * Updates the canonical_key in op to value. 2342object::kv_set (const shstr &key, const shstr &value)
2474 *
2475 * canonical_key is a shared string (value doesn't have to be).
2476 *
2477 * Unless add_key is TRUE, it won't add fields, only change the value of existing
2478 * keys.
2479 *
2480 * Returns TRUE on success.
2481 */
2482int
2483set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2484{ 2343{
2485 key_value *field = NULL, *last = NULL; 2344 for (key_value *kv = key_values; kv; kv = kv->next)
2486 2345 if (kv->key == key)
2487 for (field = op->key_values; field != NULL; field = field->next)
2488 {
2489 if (field->key != canonical_key)
2490 { 2346 {
2491 last = field; 2347 kv->value = value;
2492 continue; 2348 return;
2493 } 2349 }
2494 2350
2495 if (value) 2351 key_value *kv = new key_value;
2496 field->value = value; 2352
2497 else 2353 kv->next = key_values;
2354 kv->key = key;
2355 kv->value = value;
2356
2357 key_values = kv;
2358}
2359
2360void
2361object::kv_del (const shstr &key)
2362{
2363 for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
2364 if ((*kvp)->key == key)
2498 { 2365 {
2499 /* Basically, if the archetype has this key set, 2366 key_value *kv = *kvp;
2500 * we need to store the null value so when we save 2367 *kvp = (*kvp)->next;
2501 * it, we save the empty value so that when we load, 2368 delete kv;
2502 * we get this value back again. 2369 return;
2503 */
2504 if (get_ob_key_link (op->arch, canonical_key))
2505 field->value = 0;
2506 else
2507 {
2508 if (last)
2509 last->next = field->next;
2510 else
2511 op->key_values = field->next;
2512
2513 delete field;
2514 }
2515 } 2370 }
2516 return TRUE;
2517 }
2518 /* IF we get here, key doesn't exist */
2519
2520 /* No field, we'll have to add it. */
2521
2522 if (!add_key)
2523 return FALSE;
2524
2525 /* There isn't any good reason to store a null
2526 * value in the key/value list. If the archetype has
2527 * this key, then we should also have it, so shouldn't
2528 * be here. If user wants to store empty strings,
2529 * should pass in ""
2530 */
2531 if (value == NULL)
2532 return TRUE;
2533
2534 field = new key_value;
2535
2536 field->key = canonical_key;
2537 field->value = value;
2538 /* Usual prepend-addition. */
2539 field->next = op->key_values;
2540 op->key_values = field;
2541
2542 return TRUE;
2543}
2544
2545/*
2546 * Updates the key in op to value.
2547 *
2548 * If add_key is FALSE, this will only update existing keys,
2549 * and not add new ones.
2550 * In general, should be little reason FALSE is ever passed in for add_key
2551 *
2552 * Returns TRUE on success.
2553 */
2554int
2555set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2556{
2557 shstr key_ (key);
2558
2559 return set_ob_key_value_s (op, key_, value, add_key);
2560} 2371}
2561 2372
2562object::depth_iterator::depth_iterator (object *container) 2373object::depth_iterator::depth_iterator (object *container)
2563: iterator_base (container) 2374: iterator_base (container)
2564{ 2375{
2614{ 2425{
2615 char flagdesc[512]; 2426 char flagdesc[512];
2616 char info2[256 * 4]; 2427 char info2[256 * 4];
2617 char *p = info; 2428 char *p = info;
2618 2429
2619 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}", 2430 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2620 count, 2431 count,
2621 uuid.c_str (), 2432 uuid.c_str (),
2622 &name, 2433 &name,
2623 title ? "\",title:\"" : "", 2434 title ? ",title:\"" : "",
2624 title ? (const char *)title : "", 2435 title ? (const char *)title : "",
2436 title ? "\"" : "",
2625 flag_desc (flagdesc, 512), type); 2437 flag_desc (flagdesc, 512), type);
2626 2438
2627 if (!this->flag[FLAG_REMOVED] && env) 2439 if (!flag[FLAG_REMOVED] && env)
2628 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2440 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2629 2441
2630 if (map) 2442 if (map)
2631 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y); 2443 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2632 2444
2662object::open_container (object *new_container) 2474object::open_container (object *new_container)
2663{ 2475{
2664 if (container == new_container) 2476 if (container == new_container)
2665 return; 2477 return;
2666 2478
2667 if (object *old_container = container) 2479 object *old_container = container;
2480
2481 if (old_container)
2668 { 2482 {
2669 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this))) 2483 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2670 return; 2484 return;
2671 2485
2672#if 0 2486#if 0
2674 if (object *closer = old_container->inv) 2488 if (object *closer = old_container->inv)
2675 if (closer->type == CLOSE_CON) 2489 if (closer->type == CLOSE_CON)
2676 closer->destroy (); 2490 closer->destroy ();
2677#endif 2491#endif
2678 2492
2493 // make sure the container is available
2494 esrv_send_item (this, old_container);
2495
2679 old_container->flag [FLAG_APPLIED] = 0; 2496 old_container->flag [FLAG_APPLIED] = false;
2680 container = 0; 2497 container = 0;
2681 2498
2499 // client needs item update to make it work, client bug requires this to be separate
2682 esrv_update_item (UPD_FLAGS, this, old_container); 2500 esrv_update_item (UPD_FLAGS, this, old_container);
2501
2683 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container)); 2502 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2684 play_sound (sound_find ("chest_close")); 2503 play_sound (sound_find ("chest_close"));
2685 } 2504 }
2686 2505
2687 if (new_container) 2506 if (new_container)
2700 } 2519 }
2701#endif 2520#endif
2702 2521
2703 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container)); 2522 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2704 2523
2524 // make sure the container is available, client bug requires this to be separate
2525 esrv_send_item (this, new_container);
2526
2705 new_container->flag [FLAG_APPLIED] = 1; 2527 new_container->flag [FLAG_APPLIED] = true;
2706 container = new_container; 2528 container = new_container;
2707 2529
2530 // client needs flag change
2708 esrv_update_item (UPD_FLAGS, this, new_container); 2531 esrv_update_item (UPD_FLAGS, this, new_container);
2709 esrv_send_inventory (this, new_container); 2532 esrv_send_inventory (this, new_container);
2710 play_sound (sound_find ("chest_open")); 2533 play_sound (sound_find ("chest_open"));
2711 } 2534 }
2535// else if (!old_container->env && contr && contr->ns)
2536// contr->ns->floorbox_reset ();
2712} 2537}
2713 2538
2714object * 2539object *
2715object::force_find (const shstr name) 2540object::force_find (const shstr name)
2716{ 2541{
2742 2567
2743 insert (force); 2568 insert (force);
2744} 2569}
2745 2570
2746void 2571void
2747object::play_sound (faceidx sound) const 2572object::play_sound (faceidx sound)
2748{ 2573{
2749 if (!sound) 2574 if (!sound)
2750 return; 2575 return;
2751 2576
2752 if (flag [FLAG_REMOVED]) 2577 if (flag [FLAG_REMOVED])

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines