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Comparing deliantra/server/common/object.C (file contents):
Revision 1.27 by root, Mon Sep 11 12:08:45 2006 UTC vs.
Revision 1.86 by root, Tue Dec 26 08:17:58 2006 UTC

1
2/*
3 * static char *rcsid_object_c =
4 * "$Id: object.C,v 1.27 2006/09/11 12:08:45 root Exp $";
5 */
6
7/* 1/*
8 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
9 3
10 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2001 Mark Wedel & Crossfire Development Team
11 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
22 16
23 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
25 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 20
27 The authors can be reached via e-mail at crossfire-devel@real-time.com 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
28*/ 22*/
29 23
30/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects. 24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31 sub/add_weight will transcend the environment updating the carrying 25 sub/add_weight will transcend the environment updating the carrying
32 variable. */ 26 variable. */
33#include <global.h> 27#include <global.h>
34#ifndef WIN32 /* ---win32 exclude headers */
35# include <stdio.h> 28#include <stdio.h>
36# include <sys/types.h> 29#include <sys/types.h>
37# include <sys/uio.h> 30#include <sys/uio.h>
38#endif /* win32 */
39#include <object.h> 31#include <object.h>
40#include <funcpoint.h> 32#include <funcpoint.h>
41#include <skills.h>
42#include <loader.h> 33#include <loader.h>
34
35#include <bitset>
36
43int nrofallocobjects = 0; 37int nrofallocobjects = 0;
38static UUID uuid;
39const uint64 UUID_SKIP = 1<<19;
44 40
45object *objects; /* Pointer to the list of used objects */
46object *active_objects; /* List of active objects that need to be processed */ 41object *active_objects; /* List of active objects that need to be processed */
47 42
48short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1, 43short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
49 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1 44 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
50}; 45};
… …
57int freedir[SIZEOFFREE] = { 52int freedir[SIZEOFFREE] = {
58 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8, 53 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
59 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8 54 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
60}; 55};
61 56
57static void
58write_uuid (void)
59{
60 char filename1[MAX_BUF], filename2[MAX_BUF];
61
62 sprintf (filename1, "%s/uuid", settings.localdir);
63 sprintf (filename2, "%s/uuid~", settings.localdir);
64
65 FILE *fp;
66
67 if (!(fp = fopen (filename2, "w")))
68 {
69 LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70 return;
71 }
72
73 fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74 fclose (fp);
75 rename (filename2, filename1);
76}
77
78static void
79read_uuid (void)
80{
81 char filename[MAX_BUF];
82
83 sprintf (filename, "%s/uuid", settings.localdir);
84
85 FILE *fp;
86
87 if (!(fp = fopen (filename, "r")))
88 {
89 if (errno == ENOENT)
90 {
91 LOG (llevInfo, "RESET uid to 1\n");
92 uuid.seq = 0;
93 write_uuid ();
94 return;
95 }
96
97 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98 _exit (1);
99 }
100
101 int version;
102 unsigned long long uid;
103 if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
104 {
105 LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
106 _exit (1);
107 }
108
109 uuid.seq = uid;
110 write_uuid ();
111 LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
112 fclose (fp);
113}
114
115UUID
116gen_uuid ()
117{
118 UUID uid;
119
120 uid.seq = ++uuid.seq;
121
122 if (!(uuid.seq & (UUID_SKIP - 1)))
123 write_uuid ();
124
125 return uid;
126}
127
128void
129init_uuid ()
130{
131 read_uuid ();
132}
133
62/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 134/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
63static int 135static int
64compare_ob_value_lists_one (const object *wants, const object *has) 136compare_ob_value_lists_one (const object *wants, const object *has)
65{ 137{
66 key_value *wants_field; 138 key_value *wants_field;
… …
69 * objects with lists are rare, and lists stay short. If not, use a 141 * objects with lists are rare, and lists stay short. If not, use a
70 * different structure or at least keep the lists sorted... 142 * different structure or at least keep the lists sorted...
71 */ 143 */
72 144
73 /* For each field in wants, */ 145 /* For each field in wants, */
74 for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next) 146 for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
75 { 147 {
76 key_value *has_field; 148 key_value *has_field;
77 149
78 /* Look for a field in has with the same key. */ 150 /* Look for a field in has with the same key. */
79 has_field = get_ob_key_link (has, wants_field->key); 151 has_field = get_ob_key_link (has, wants_field->key);
… …
113 * 185 *
114 * Note that this function appears a lot longer than the macro it 186 * Note that this function appears a lot longer than the macro it
115 * replaces - this is mostly for clarity - a decent compiler should hopefully 187 * replaces - this is mostly for clarity - a decent compiler should hopefully
116 * reduce this to the same efficiency. 188 * reduce this to the same efficiency.
117 * 189 *
118 * Check nrof variable *before* calling CAN_MERGE() 190 * Check nrof variable *before* calling can_merge()
119 * 191 *
120 * Improvements made with merge: Better checking on potion, and also 192 * Improvements made with merge: Better checking on potion, and also
121 * check weight 193 * check weight
122 */ 194 */
123 195
124bool object::can_merge (object *ob1, object *ob2) 196bool object::can_merge_slow (object *ob1, object *ob2)
125{ 197{
126 /* A couple quicksanity checks */ 198 /* A couple quicksanity checks */
127 if ((ob1 == ob2) || (ob1->type != ob2->type)) 199 if (ob1 == ob2
200 || ob1->type != ob2->type
201 || ob1->speed != ob2->speed
202 || ob1->value != ob2->value
203 || ob1->name != ob2->name)
128 return 0; 204 return 0;
129 205
130 if (ob1->speed != ob2->speed) 206 //TODO: this ain't working well, use nicer and correct overflow check
131 return 0;
132
133 /* Do not merge objects if nrof would overflow. We use 1UL<<31 since that 207 /* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
134 * value could not be stored in a sint32 (which unfortunately sometimes is 208 * value could not be stored in a sint32 (which unfortunately sometimes is
135 * used to store nrof). 209 * used to store nrof).
136 */ 210 */
137 if (ob1->nrof + ob2->nrof >= 1UL << 31) 211 if (ob1->nrof + ob2->nrof >= 1UL << 31)
… …
147 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 221 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
148 222
149 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 223 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
150 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 224 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
151 225
152 226 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
153 /* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something 227 || ob1->arch != ob2->arch
154 * being locked in inventory should prevent merging.
155 * 0x4 in flags3 is CLIENT_SENT
156 */
157 if ((ob1->arch != ob2->arch) ||
158 (ob1->flags[0] != ob2->flags[0]) ||
159 (ob1->flags[1] != ob2->flags[1]) ||
160 ((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
161 ((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
162 (ob1->name != ob2->name) || 228 || ob1->name != ob2->name
163 (ob1->title != ob2->title) || 229 || ob1->title != ob2->title
164 (ob1->msg != ob2->msg) || 230 || ob1->msg != ob2->msg
165 (ob1->weight != ob2->weight) || 231 || ob1->weight != ob2->weight
166 (memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) || 232 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
167 (memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) || 233 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
168 (ob1->attacktype != ob2->attacktype) || 234 || ob1->attacktype != ob2->attacktype
169 (ob1->magic != ob2->magic) || 235 || ob1->magic != ob2->magic
170 (ob1->slaying != ob2->slaying) || 236 || ob1->slaying != ob2->slaying
171 (ob1->skill != ob2->skill) || 237 || ob1->skill != ob2->skill
172 (ob1->value != ob2->value) || 238 || ob1->value != ob2->value
173 (ob1->animation_id != ob2->animation_id) || 239 || ob1->animation_id != ob2->animation_id
174 (ob1->client_type != ob2->client_type) || 240 || ob1->client_type != ob2->client_type
175 (ob1->materialname != ob2->materialname) || 241 || ob1->materialname != ob2->materialname
176 (ob1->lore != ob2->lore) || 242 || ob1->lore != ob2->lore
177 (ob1->subtype != ob2->subtype) || 243 || ob1->subtype != ob2->subtype
178 (ob1->move_type != ob2->move_type) || 244 || ob1->move_type != ob2->move_type
179 (ob1->move_block != ob2->move_block) || 245 || ob1->move_block != ob2->move_block
180 (ob1->move_allow != ob2->move_allow) || 246 || ob1->move_allow != ob2->move_allow
181 (ob1->move_on != ob2->move_on) || 247 || ob1->move_on != ob2->move_on
182 (ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty)) 248 || ob1->move_off != ob2->move_off
249 || ob1->move_slow != ob2->move_slow
250 || ob1->move_slow_penalty != ob2->move_slow_penalty)
183 return 0; 251 return 0;
184 252
185 /* This is really a spellbook check - really, we should 253 /* This is really a spellbook check - really, we should
186 * check all objects in the inventory. 254 * check all objects in the inventory.
187 */ 255 */
… …
190 /* if one object has inventory but the other doesn't, not equiv */ 258 /* if one object has inventory but the other doesn't, not equiv */
191 if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv)) 259 if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
192 return 0; 260 return 0;
193 261
194 /* Now check to see if the two inventory objects could merge */ 262 /* Now check to see if the two inventory objects could merge */
195 if (!CAN_MERGE (ob1->inv, ob2->inv)) 263 if (!object::can_merge (ob1->inv, ob2->inv))
196 return 0; 264 return 0;
197 265
198 /* inventory ok - still need to check rest of this object to see 266 /* inventory ok - still need to check rest of this object to see
199 * if it is valid. 267 * if it is valid.
200 */ 268 */
… …
214 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED) 282 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)
215 return 0; 283 return 0;
216 284
217 switch (ob1->type) 285 switch (ob1->type)
218 { 286 {
219 case SCROLL: 287 case SCROLL:
220 if (ob1->level != ob2->level) 288 if (ob1->level != ob2->level)
221 return 0; 289 return 0;
222 break; 290 break;
223 } 291 }
224 292
225 if (ob1->key_values != NULL || ob2->key_values != NULL) 293 if (ob1->key_values != NULL || ob2->key_values != NULL)
226 { 294 {
227 /* At least one of these has key_values. */ 295 /* At least one of these has key_values. */
… …
249/* 317/*
250 * sum_weight() is a recursive function which calculates the weight 318 * sum_weight() is a recursive function which calculates the weight
251 * an object is carrying. It goes through in figures out how much 319 * an object is carrying. It goes through in figures out how much
252 * containers are carrying, and sums it up. 320 * containers are carrying, and sums it up.
253 */ 321 */
254signed long 322long
255sum_weight (object *op) 323sum_weight (object *op)
256{ 324{
257 signed long sum; 325 long sum;
258 object *inv; 326 object *inv;
259 327
260 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below) 328 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261 { 329 {
262 if (inv->inv) 330 if (inv->inv)
263 sum_weight (inv); 331 sum_weight (inv);
264 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 332 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265 } 333 }
334
266 if (op->type == CONTAINER && op->stats.Str) 335 if (op->type == CONTAINER && op->stats.Str)
267 sum = (sum * (100 - op->stats.Str)) / 100; 336 sum = (sum * (100 - op->stats.Str)) / 100;
337
268 if (op->carrying != sum) 338 if (op->carrying != sum)
269 op->carrying = sum; 339 op->carrying = sum;
340
270 return sum; 341 return sum;
271} 342}
272 343
273/** 344/**
274 * Return the outermost environment object for a given object. 345 * Return the outermost environment object for a given object.
… …
281 op = op->env; 352 op = op->env;
282 return op; 353 return op;
283} 354}
284 355
285/* 356/*
286 * Eneq(@csd.uu.se): Since we can have items buried in a character we need
287 * a better check. We basically keeping traversing up until we can't
288 * or find a player.
289 */
290
291object *
292is_player_inv (object *op)
293{
294 for (; op != NULL && op->type != PLAYER; op = op->env)
295 if (op->env == op)
296 op->env = NULL;
297 return op;
298}
299
300/*
301 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 357 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302 * Some error messages. 358 * Some error messages.
303 * The result of the dump is stored in the static global errmsg array. 359 * The result of the dump is stored in the static global errmsg array.
304 */ 360 */
305 361
306void 362char *
307dump_object2 (object *op)
308{
309 errmsg[0] = 0;
310 return;
311 //TODO//D#d#
312#if 0
313 char *cp;
314
315/* object *tmp;*/
316
317 if (op->arch != NULL)
318 {
319 strcat (errmsg, "arch ");
320 strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
321 strcat (errmsg, "\n");
322 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
323 strcat (errmsg, cp);
324# if 0
325 /* Don't dump player diffs - they are too long, mostly meaningless, and
326 * will overflow the buffer.
327 * Changed so that we don't dump inventory either. This may
328 * also overflow the buffer.
329 */
330 if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
331 strcat (errmsg, cp);
332 for (tmp = op->inv; tmp; tmp = tmp->below)
333 dump_object2 (tmp);
334# endif
335 strcat (errmsg, "end\n");
336 }
337 else
338 {
339 strcat (errmsg, "Object ");
340 if (op->name == NULL)
341 strcat (errmsg, "(null)");
342 else
343 strcat (errmsg, op->name);
344 strcat (errmsg, "\n");
345# if 0
346 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
347 strcat (errmsg, cp);
348 for (tmp = op->inv; tmp; tmp = tmp->below)
349 dump_object2 (tmp);
350# endif
351 strcat (errmsg, "end\n");
352 }
353#endif
354}
355
356/*
357 * Dumps an object. Returns output in the static global errmsg array.
358 */
359
360void
361dump_object (object *op) 363dump_object (object *op)
362{ 364{
363 if (op == NULL) 365 if (!op)
364 { 366 return strdup ("[NULLOBJ]");
365 strcpy (errmsg, "[NULL pointer]");
366 return;
367 }
368 errmsg[0] = '\0';
369 dump_object2 (op);
370}
371 367
372void 368 object_freezer freezer;
373dump_all_objects (void) 369 save_object (freezer, op, 1);
374{ 370 return freezer.as_string ();
375 object *op;
376
377 for (op = objects; op != NULL; op = op->next)
378 {
379 dump_object (op);
380 fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
381 }
382} 371}
383 372
384/* 373/*
385 * get_nearest_part(multi-object, object 2) returns the part of the 374 * get_nearest_part(multi-object, object 2) returns the part of the
386 * multi-object 1 which is closest to the second object. 375 * multi-object 1 which is closest to the second object.
… …
406 */ 395 */
407 396
408object * 397object *
409find_object (tag_t i) 398find_object (tag_t i)
410{ 399{
411 object *op; 400 for (object *op = object::first; op; op = op->next)
412
413 for (op = objects; op != NULL; op = op->next)
414 if (op->count == i) 401 if (op->count == i)
415 break; 402 return op;
403
416 return op; 404 return 0;
417} 405}
418 406
419/* 407/*
420 * Returns the first object which has a name equal to the argument. 408 * Returns the first object which has a name equal to the argument.
421 * Used only by the patch command, but not all that useful. 409 * Used only by the patch command, but not all that useful.
… …
423 */ 411 */
424 412
425object * 413object *
426find_object_name (const char *str) 414find_object_name (const char *str)
427{ 415{
428 const char *name = shstr::find (str); 416 shstr_cmp str_ (str);
429 object *op; 417 object *op;
430 418
431 for (op = objects; op != NULL; op = op->next) 419 for (op = object::first; op != NULL; op = op->next)
432 if (&op->name == name) 420 if (op->name == str_)
433 break; 421 break;
434 422
435 return op; 423 return op;
436} 424}
437 425
… …
440{ 428{
441 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 429 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442} 430}
443 431
444/* 432/*
445 * Returns the object which this object marks as being the owner.
446 * A id-scheme is used to avoid pointing to objects which have been
447 * freed and are now reused. If this is detected, the owner is
448 * set to NULL, and NULL is returned.
449 * Changed 2004-02-12 - if the player is setting at the play again
450 * prompt, he is removed, and we don't want to treat him as an owner of
451 * anything, so check removed flag. I don't expect that this should break
452 * anything - once an object is removed, it is basically dead anyways.
453 */
454
455object *
456get_owner (object *op)
457{
458 if (op->owner == NULL)
459 return NULL;
460
461 if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
462 return op->owner;
463
464 op->owner = NULL;
465 op->ownercount = 0;
466 return NULL;
467}
468
469void
470clear_owner (object *op)
471{
472 if (!op)
473 return;
474
475 if (op->owner && op->ownercount == op->owner->count)
476 op->owner->refcount--;
477
478 op->owner = NULL;
479 op->ownercount = 0;
480}
481
482/*
483 * Sets the owner and sets the skill and exp pointers to owner's current 433 * Sets the owner and sets the skill and exp pointers to owner's current
484 * skill and experience objects. 434 * skill and experience objects.
485 */ 435 */
486void 436void
487set_owner (object *op, object *owner) 437object::set_owner (object *owner)
488{ 438{
489 if (owner == NULL || op == NULL) 439 if (!owner)
490 return; 440 return;
491 441
492 /* next line added to allow objects which own objects */ 442 /* next line added to allow objects which own objects */
493 /* Add a check for ownercounts in here, as I got into an endless loop 443 /* Add a check for ownercounts in here, as I got into an endless loop
494 * with the fireball owning a poison cloud which then owned the 444 * with the fireball owning a poison cloud which then owned the
495 * fireball. I believe that was caused by one of the objects getting 445 * fireball. I believe that was caused by one of the objects getting
496 * freed and then another object replacing it. Since the ownercounts 446 * freed and then another object replacing it. Since the ownercounts
497 * didn't match, this check is valid and I believe that cause is valid. 447 * didn't match, this check is valid and I believe that cause is valid.
498 */ 448 */
499 while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count) 449 while (owner->owner)
500 owner = owner->owner; 450 owner = owner->owner;
501 451
502 /* IF the owner still has an owner, we did not resolve to a final owner.
503 * so lets not add to that.
504 */
505 if (owner->owner)
506 return;
507
508 op->owner = owner; 452 this->owner = owner;
509
510 op->ownercount = owner->count;
511 owner->refcount++;
512}
513
514/* Set the owner to clone's current owner and set the skill and experience
515 * objects to clone's objects (typically those objects that where the owner's
516 * current skill and experience objects at the time when clone's owner was
517 * set - not the owner's current skill and experience objects).
518 *
519 * Use this function if player created an object (e.g. fire bullet, swarm
520 * spell), and this object creates further objects whose kills should be
521 * accounted for the player's original skill, even if player has changed
522 * skills meanwhile.
523 */
524void
525copy_owner (object *op, object *clone)
526{
527 object *owner = get_owner (clone);
528
529 if (owner == NULL)
530 {
531 /* players don't have owners - they own themselves. Update
532 * as appropriate.
533 */
534 if (clone->type == PLAYER)
535 owner = clone;
536 else
537 return;
538 }
539
540 set_owner (op, owner);
541} 453}
542 454
543/* Zero the key_values on op, decrementing the shared-string 455/* Zero the key_values on op, decrementing the shared-string
544 * refcounts and freeing the links. 456 * refcounts and freeing the links.
545 */ 457 */
… …
555 } 467 }
556 468
557 op->key_values = 0; 469 op->key_values = 0;
558} 470}
559 471
560void object::clear ()
561{
562 attachable_base::clear ();
563
564 free_key_values (this);
565
566 clear_owner (this);
567
568 name = 0;
569 name_pl = 0;
570 title = 0;
571 race = 0;
572 slaying = 0;
573 skill = 0;
574 msg = 0;
575 lore = 0;
576 custom_name = 0;
577 materialname = 0;
578
579 memset (static_cast < object_pod * >(this), 0, sizeof (object_pod));
580
581 SET_FLAG (this, FLAG_REMOVED);
582}
583
584void object::clone (object *destination)
585{
586 *(object_copy *) destination = *this;
587 *(object_pod *) destination = *this;
588
589 if (self || cb)
590 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
591}
592
593/* 472/*
594 * clear_object() frees everything allocated by an object, and also
595 * clears all variables and flags to default settings.
596 */
597
598void
599clear_object (object *op)
600{
601 op->clear ();
602
603 op->contr = NULL;
604 op->below = NULL;
605 op->above = NULL;
606 op->inv = NULL;
607 op->container = NULL;
608 op->env = NULL;
609 op->more = NULL;
610 op->head = NULL;
611 op->map = NULL;
612 op->refcount = 0;
613 op->active_next = NULL;
614 op->active_prev = NULL;
615 /* What is not cleared is next, prev, and count */
616
617 op->expmul = 1.0;
618 op->face = blank_face;
619 op->attacked_by_count = -1;
620
621 if (settings.casting_time)
622 op->casting_time = -1;
623}
624
625/*
626 * copy object first frees everything allocated by the second object, 473 * copy_to first frees everything allocated by the dst object,
627 * and then copies the contends of the first object into the second 474 * and then copies the contents of itself into the second
628 * object, allocating what needs to be allocated. Basically, any 475 * object, allocating what needs to be allocated. Basically, any
629 * data that is malloc'd needs to be re-malloc/copied. Otherwise, 476 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
630 * if the first object is freed, the pointers in the new object 477 * if the first object is freed, the pointers in the new object
631 * will point at garbage. 478 * will point at garbage.
632 */ 479 */
633
634void 480void
635copy_object (object *op2, object *op) 481object::copy_to (object *dst)
636{ 482{
637 bool is_freed = QUERY_FLAG (op, FLAG_FREED); 483 bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
638 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED); 484 bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
639 485
640 op2->clone (op); 486 *(object_copy *)dst = *this;
641 487
642 if (is_freed) 488 if (is_freed)
643 SET_FLAG (op, FLAG_FREED); 489 SET_FLAG (dst, FLAG_FREED);
490
644 if (is_removed) 491 if (is_removed)
645 SET_FLAG (op, FLAG_REMOVED); 492 SET_FLAG (dst, FLAG_REMOVED);
646 493
647 if (op2->speed < 0) 494 if (speed < 0)
648 op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0; 495 dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
649 496
650 /* Copy over key_values, if any. */ 497 /* Copy over key_values, if any. */
651 if (op2->key_values) 498 if (key_values)
652 { 499 {
653 key_value *tail = 0; 500 key_value *tail = 0;
654 key_value *i; 501 key_value *i;
655 502
656 op->key_values = 0; 503 dst->key_values = 0;
657 504
658 for (i = op2->key_values; i; i = i->next) 505 for (i = key_values; i; i = i->next)
659 { 506 {
660 key_value *new_link = new key_value; 507 key_value *new_link = new key_value;
661 508
662 new_link->next = 0; 509 new_link->next = 0;
663 new_link->key = i->key; 510 new_link->key = i->key;
664 new_link->value = i->value; 511 new_link->value = i->value;
665 512
666 /* Try and be clever here, too. */ 513 /* Try and be clever here, too. */
667 if (!op->key_values) 514 if (!dst->key_values)
668 { 515 {
669 op->key_values = new_link; 516 dst->key_values = new_link;
670 tail = new_link; 517 tail = new_link;
671 } 518 }
672 else 519 else
673 { 520 {
674 tail->next = new_link; 521 tail->next = new_link;
675 tail = new_link; 522 tail = new_link;
676 } 523 }
677 } 524 }
678 } 525 }
679 526
680 update_ob_speed (op); 527 update_ob_speed (dst);
528}
529
530object *
531object::clone ()
532{
533 object *neu = create ();
534 copy_to (neu);
535 return neu;
681} 536}
682 537
683/* 538/*
684 * If an object with the IS_TURNABLE() flag needs to be turned due 539 * If an object with the IS_TURNABLE() flag needs to be turned due
685 * to the closest player being on the other side, this function can 540 * to the closest player being on the other side, this function can
… …
698/* 553/*
699 * Updates the speed of an object. If the speed changes from 0 to another 554 * Updates the speed of an object. If the speed changes from 0 to another
700 * value, or vice versa, then add/remove the object from the active list. 555 * value, or vice versa, then add/remove the object from the active list.
701 * This function needs to be called whenever the speed of an object changes. 556 * This function needs to be called whenever the speed of an object changes.
702 */ 557 */
703
704void 558void
705update_ob_speed (object *op) 559update_ob_speed (object *op)
706{ 560{
707 extern int arch_init; 561 extern int arch_init;
708 562
709 /* No reason putting the archetypes objects on the speed list, 563 /* No reason putting the archetypes objects on the speed list,
710 * since they never really need to be updated. 564 * since they never really need to be updated.
711 */ 565 */
712
713 if (QUERY_FLAG (op, FLAG_FREED) && op->speed) 566 if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
714 { 567 {
715 LOG (llevError, "Object %s is freed but has speed.\n", &op->name); 568 LOG (llevError, "Object %s is freed but has speed.\n", &op->name);
716#ifdef MANY_CORES
717 abort ();
718#else
719 op->speed = 0; 569 op->speed = 0;
720#endif
721 } 570 }
571
722 if (arch_init) 572 if (arch_init)
723 {
724 return; 573 return;
725 } 574
726 if (FABS (op->speed) > MIN_ACTIVE_SPEED) 575 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
727 { 576 {
728 /* If already on active list, don't do anything */ 577 /* If already on active list, don't do anything */
729 if (op->active_next || op->active_prev || op == active_objects) 578 if (op->active_next || op->active_prev || op == active_objects)
730 return; 579 return;
731 580
732 /* process_events() expects us to insert the object at the beginning 581 /* process_events() expects us to insert the object at the beginning
733 * of the list. */ 582 * of the list. */
734 op->active_next = active_objects; 583 op->active_next = active_objects;
584
735 if (op->active_next != NULL) 585 if (op->active_next != NULL)
736 op->active_next->active_prev = op; 586 op->active_next->active_prev = op;
587
737 active_objects = op; 588 active_objects = op;
738 } 589 }
739 else 590 else
740 { 591 {
741 /* If not on the active list, nothing needs to be done */ 592 /* If not on the active list, nothing needs to be done */
… …
743 return; 594 return;
744 595
745 if (op->active_prev == NULL) 596 if (op->active_prev == NULL)
746 { 597 {
747 active_objects = op->active_next; 598 active_objects = op->active_next;
599
748 if (op->active_next != NULL) 600 if (op->active_next != NULL)
749 op->active_next->active_prev = NULL; 601 op->active_next->active_prev = NULL;
750 } 602 }
751 else 603 else
752 { 604 {
753 op->active_prev->active_next = op->active_next; 605 op->active_prev->active_next = op->active_next;
606
754 if (op->active_next) 607 if (op->active_next)
755 op->active_next->active_prev = op->active_prev; 608 op->active_next->active_prev = op->active_prev;
756 } 609 }
610
757 op->active_next = NULL; 611 op->active_next = NULL;
758 op->active_prev = NULL; 612 op->active_prev = NULL;
759 } 613 }
760} 614}
761 615
… …
789 op->active_next = NULL; 643 op->active_next = NULL;
790 op->active_prev = NULL; 644 op->active_prev = NULL;
791} 645}
792 646
793/* 647/*
794 * update_object() updates the array which represents the map. 648 * update_object() updates the the map.
795 * It takes into account invisible objects (and represent squares covered 649 * It takes into account invisible objects (and represent squares covered
796 * by invisible objects by whatever is below them (unless it's another 650 * by invisible objects by whatever is below them (unless it's another
797 * invisible object, etc...) 651 * invisible object, etc...)
798 * If the object being updated is beneath a player, the look-window 652 * If the object being updated is beneath a player, the look-window
799 * of that player is updated (this might be a suboptimal way of 653 * of that player is updated (this might be a suboptimal way of
800 * updating that window, though, since update_object() is called _often_) 654 * updating that window, though, since update_object() is called _often_)
801 * 655 *
802 * action is a hint of what the caller believes need to be done. 656 * action is a hint of what the caller believes need to be done.
803 * For example, if the only thing that has changed is the face (due to
804 * an animation), we don't need to call update_position until that actually
805 * comes into view of a player. OTOH, many other things, like addition/removal
806 * of walls or living creatures may need us to update the flags now.
807 * current action are: 657 * current action are:
808 * UP_OBJ_INSERT: op was inserted 658 * UP_OBJ_INSERT: op was inserted
809 * UP_OBJ_REMOVE: op was removed 659 * UP_OBJ_REMOVE: op was removed
810 * UP_OBJ_CHANGE: object has somehow changed. In this case, we always update 660 * UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
811 * as that is easier than trying to look at what may have changed. 661 * as that is easier than trying to look at what may have changed.
812 * UP_OBJ_FACE: only the objects face has changed. 662 * UP_OBJ_FACE: only the objects face has changed.
813 */ 663 */
814
815void 664void
816update_object (object *op, int action) 665update_object (object *op, int action)
817{ 666{
818 int update_now = 0, flags;
819 MoveType move_on, move_off, move_block, move_slow; 667 MoveType move_on, move_off, move_block, move_slow;
820 668
821 if (op == NULL) 669 if (op == NULL)
822 { 670 {
823 /* this should never happen */ 671 /* this should never happen */
824 LOG (llevDebug, "update_object() called for NULL object.\n"); 672 LOG (llevDebug, "update_object() called for NULL object.\n");
825 return; 673 return;
826 } 674 }
827 675
828 if (op->env != NULL) 676 if (op->env)
829 { 677 {
830 /* Animation is currently handled by client, so nothing 678 /* Animation is currently handled by client, so nothing
831 * to do in this case. 679 * to do in this case.
832 */ 680 */
833 return; 681 return;
… …
838 */ 686 */
839 if (!op->map || op->map->in_memory == MAP_SAVING) 687 if (!op->map || op->map->in_memory == MAP_SAVING)
840 return; 688 return;
841 689
842 /* make sure the object is within map boundaries */ 690 /* make sure the object is within map boundaries */
843 if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map)) 691 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
844 { 692 {
845 LOG (llevError, "update_object() called for object out of map!\n"); 693 LOG (llevError, "update_object() called for object out of map!\n");
846#ifdef MANY_CORES 694#ifdef MANY_CORES
847 abort (); 695 abort ();
848#endif 696#endif
849 return; 697 return;
850 } 698 }
851 699
852 flags = GET_MAP_FLAGS (op->map, op->x, op->y); 700 mapspace &m = op->ms ();
853 SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
854 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
855 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
856 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
857 move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
858 701
702 if (m.flags_ & P_NEED_UPDATE)
703 /* nop */;
859 if (action == UP_OBJ_INSERT) 704 else if (action == UP_OBJ_INSERT)
860 { 705 {
706 // this is likely overkill, TODO: revisit (schmorp)
861 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW)) 707 if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
862 update_now = 1;
863
864 if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC)) 708 || (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
865 update_now = 1; 709 || (op->type == PLAYER && !(m.flags_ & P_PLAYER))
866 710 || (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
711 || (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
867 if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC)) 712 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
868 update_now = 1;
869
870 if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
871 update_now = 1;
872
873 if (op->type == SAFE_GROUND && !(flags & P_SAFE))
874 update_now = 1;
875
876 if ((move_on | op->move_on) != move_on) 713 || (m.move_on | op->move_on ) != m.move_on
877 update_now = 1;
878
879 if ((move_off | op->move_off) != move_off) 714 || (m.move_off | op->move_off ) != m.move_off
880 update_now = 1; 715 || (m.move_slow | op->move_slow) != m.move_slow
881
882 /* This isn't perfect, but I don't expect a lot of objects to 716 /* This isn't perfect, but I don't expect a lot of objects to
883 * to have move_allow right now. 717 * to have move_allow right now.
884 */ 718 */
885 if (((move_block | op->move_block) & ~op->move_allow) != move_block) 719 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
886 update_now = 1; 720 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
887 721 m.flags_ = P_NEED_UPDATE;
888 if ((move_slow | op->move_slow) != move_slow)
889 update_now = 1;
890 } 722 }
891 /* if the object is being removed, we can't make intelligent 723 /* if the object is being removed, we can't make intelligent
892 * decisions, because remove_ob can't really pass the object 724 * decisions, because remove_ob can't really pass the object
893 * that is being removed. 725 * that is being removed.
894 */ 726 */
895 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 727 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896 update_now = 1; 728 m.flags_ = P_NEED_UPDATE;
897 else if (action == UP_OBJ_FACE) 729 else if (action == UP_OBJ_FACE)
898 /* Nothing to do for that case */; 730 /* Nothing to do for that case */ ;
899 else 731 else
900 LOG (llevError, "update_object called with invalid action: %d\n", action); 732 LOG (llevError, "update_object called with invalid action: %d\n", action);
901 733
902 if (update_now)
903 {
904 SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
905 update_position (op->map, op->x, op->y);
906 }
907
908 if (op->more != NULL) 734 if (op->more)
909 update_object (op->more, action); 735 update_object (op->more, action);
910} 736}
911 737
912static unordered_vector<object *> mortals; 738object::vector object::objects; // not yet used
913static std::vector<object *> freed; 739object *object::first;
914
915void object::free_mortals ()
916{
917 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); )
918 if (!(*i)->refcount)
919 {
920 freed.push_back (*i);
921 mortals.erase (i);
922 }
923 else
924 ++i;
925}
926 740
927object::object () 741object::object ()
928{ 742{
929 SET_FLAG (this, FLAG_REMOVED); 743 SET_FLAG (this, FLAG_REMOVED);
930 744
931 expmul = 1.0; 745 expmul = 1.0;
932 face = blank_face; 746 face = blank_face;
933 attacked_by_count = -1;
934} 747}
935 748
936object::~object () 749object::~object ()
937{ 750{
938 free_key_values (this); 751 free_key_values (this);
939} 752}
940 753
941void object::link () 754void object::link ()
942{ 755{
943 count = ++ob_count; 756 count = ++ob_count;
757 uuid = gen_uuid ();
944 758
945 prev = 0; 759 prev = 0;
946 next = objects; 760 next = object::first;
947 761
948 if (objects) 762 if (object::first)
949 objects->prev = this; 763 object::first->prev = this;
950 764
951 objects = this; 765 object::first = this;
952} 766}
953 767
954void object::unlink () 768void object::unlink ()
955{ 769{
956 count = 0; 770 if (this == object::first)
771 object::first = next;
957 772
958 /* Remove this object from the list of used objects */ 773 /* Remove this object from the list of used objects */
959 if (prev)
960 {
961 prev->next = next; 774 if (prev) prev->next = next;
775 if (next) next->prev = prev;
776
962 prev = 0; 777 prev = 0;
963 }
964
965 if (next)
966 {
967 next->prev = prev;
968 next = 0; 778 next = 0;
969 }
970
971 if (this == objects)
972 objects = next;
973} 779}
974 780
975object *object::create () 781object *object::create ()
976{ 782{
977 object *op;
978
979 if (freed.empty ())
980 op = new object; 783 object *op = new object;
981 else
982 {
983 // highly annoying, but the only way to get it stable right now
984 op = freed.back (); freed.pop_back ();
985 op->~object ();
986 new ((void *)op) object;
987 }
988
989 op->link (); 784 op->link ();
990 return op; 785 return op;
991} 786}
992 787
993/* 788/*
… …
995 * it from the list of used objects, and puts it on the list of 790 * it from the list of used objects, and puts it on the list of
996 * free objects. The IS_FREED() flag is set in the object. 791 * free objects. The IS_FREED() flag is set in the object.
997 * The object must have been removed by remove_ob() first for 792 * The object must have been removed by remove_ob() first for
998 * this function to succeed. 793 * this function to succeed.
999 * 794 *
1000 * If free_inventory is set, free inventory as well. Else drop items in 795 * If destroy_inventory is set, free inventory as well. Else drop items in
1001 * inventory to the ground. 796 * inventory to the ground.
1002 */ 797 */
1003void object::free (bool free_inventory) 798void
799object::do_destroy ()
1004{ 800{
1005 if (!QUERY_FLAG (this, FLAG_REMOVED)) 801 attachable::do_destroy ();
1006 {
1007 LOG (llevDebug, "Free object called with non removed object\n");
1008 dump_object (this);
1009#ifdef MANY_CORES
1010 abort ();
1011#endif
1012 }
1013 802
1014 if (QUERY_FLAG (this, FLAG_FRIENDLY)) 803 if (flag [FLAG_IS_LINKED])
1015 { 804 remove_button_link (this);
1016 LOG (llevMonster, "Warning: tried to free friendly object.\n"); 805
806 if (flag [FLAG_FRIENDLY])
1017 remove_friendly_object (this); 807 remove_friendly_object (this);
1018 }
1019 808
1020 if (QUERY_FLAG (this, FLAG_FREED)) 809 if (!flag [FLAG_REMOVED])
1021 { 810 remove ();
1022 dump_object (this); 811
1023 LOG (llevError, "Trying to free freed object.\n%s\n", errmsg); 812 if (flag [FLAG_FREED])
1024 return; 813 return;
1025 }
1026 814
1027 if (more) 815 flag [FLAG_FREED] = 1;
816
817 // hack to ensure that freed objects still have a valid map
1028 { 818 {
1029 more->free (free_inventory); 819 static maptile *freed_map; // freed objects are moved here to avoid crashes
1030 more = 0;
1031 }
1032 820
1033 if (inv) 821 if (!freed_map)
1034 {
1035 /* Only if the space blocks everything do we not process -
1036 * if some form of movement is allowed, let objects
1037 * drop on that space.
1038 */
1039 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))
1040 { 822 {
1041 object * 823 freed_map = new maptile;
1042 op = inv;
1043 824
1044 while (op) 825 freed_map->name = "/internal/freed_objects_map";
1045 { 826 freed_map->width = 3;
1046 object * 827 freed_map->height = 3;
1047 tmp = op->below;
1048 828
1049 remove_ob (op); 829 freed_map->allocate ();
1050 op->free (free_inventory);
1051 op = tmp;
1052 }
1053 } 830 }
1054 else
1055 { /* Put objects in inventory onto this space */
1056 object *
1057 op = inv;
1058 831
1059 while (op) 832 map = freed_map;
1060 { 833 x = 1;
1061 object * 834 y = 1;
1062 tmp = op->below;
1063
1064 remove_ob (op);
1065
1066 if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1067 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1068 free_object (op);
1069 else
1070 {
1071 op->x = x;
1072 op->y = y;
1073 insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1074 }
1075
1076 op = tmp;
1077 }
1078 }
1079 } 835 }
1080 836
1081 clear_owner (this); 837 more = 0;
838 head = 0;
839 inv = 0;
840
841 // clear those pointers that likely might have circular references to us
842 owner = 0;
843 enemy = 0;
844 attacked_by = 0;
845
846 // only relevant for players(?), but make sure of it anyways
847 contr = 0;
1082 848
1083 /* Remove object from the active list */ 849 /* Remove object from the active list */
1084 speed = 0; 850 speed = 0;
1085 update_ob_speed (this); 851 update_ob_speed (this);
1086 852
1087 unlink (); 853 unlink ();
854}
1088 855
1089 SET_FLAG (this, FLAG_FREED); 856/*
857 * Remove and free all objects in the inventory of the given object.
858 * object.c ?
859 */
860void
861object::destroy_inv (bool drop_to_ground)
862{
863 if (!inv)
864 return;
1090 865
1091 mortals.push_back (this); 866 /* Only if the space blocks everything do we not process -
867 * if some form of movement is allowed, let objects
868 * drop on that space.
869 */
870 if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
871 {
872 while (inv)
873 {
874 inv->destroy_inv (drop_to_ground);
875 inv->destroy ();
876 }
877 }
878 else
879 { /* Put objects in inventory onto this space */
880 while (inv)
881 {
882 object *op = inv;
883
884 if (op->flag [FLAG_STARTEQUIP]
885 || op->flag [FLAG_NO_DROP]
886 || op->type == RUNE
887 || op->type == TRAP
888 || op->flag [FLAG_IS_A_TEMPLATE])
889 op->destroy ();
890 else
891 {
892 op->remove ();
893 op->x = x;
894 op->y = y;
895 insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
896 }
897 }
898 }
899}
900
901void
902object::destroy (bool destroy_inventory)
903{
904 if (destroyed ())
905 return;
906
907 if (more)
908 {
909 //TODO: non-head objects must not have inventory
910 more->destroy (destroy_inventory);
911 more = 0;
912 }
913
914 if (destroy_inventory)
915 destroy_inv (true);
916
917 attachable::destroy ();
1092} 918}
1093 919
1094/* 920/*
1095 * sub_weight() recursively (outwards) subtracts a number from the 921 * sub_weight() recursively (outwards) subtracts a number from the
1096 * weight of an object (and what is carried by it's environment(s)). 922 * weight of an object (and what is carried by it's environment(s)).
1097 */ 923 */
1098
1099void 924void
1100sub_weight (object *op, signed long weight) 925sub_weight (object *op, signed long weight)
1101{ 926{
1102 while (op != NULL) 927 while (op != NULL)
1103 { 928 {
1104 if (op->type == CONTAINER) 929 if (op->type == CONTAINER)
1105 {
1106 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 930 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1107 } 931
1108 op->carrying -= weight; 932 op->carrying -= weight;
1109 op = op->env; 933 op = op->env;
1110 } 934 }
1111} 935}
1112 936
1113/* remove_ob(op): 937/* op->remove ():
1114 * This function removes the object op from the linked list of objects 938 * This function removes the object op from the linked list of objects
1115 * which it is currently tied to. When this function is done, the 939 * which it is currently tied to. When this function is done, the
1116 * object will have no environment. If the object previously had an 940 * object will have no environment. If the object previously had an
1117 * environment, the x and y coordinates will be updated to 941 * environment, the x and y coordinates will be updated to
1118 * the previous environment. 942 * the previous environment.
1119 * Beware: This function is called from the editor as well! 943 * Beware: This function is called from the editor as well!
1120 */ 944 */
1121
1122void 945void
1123remove_ob (object *op) 946object::remove ()
1124{ 947{
1125 object *tmp, *last = NULL; 948 object *tmp, *last = 0;
1126 object *otmp; 949 object *otmp;
1127 950
1128 tag_t tag;
1129 int check_walk_off;
1130 mapstruct *m;
1131
1132 sint16 x, y;
1133
1134 if (QUERY_FLAG (op, FLAG_REMOVED)) 951 if (QUERY_FLAG (this, FLAG_REMOVED))
1135 { 952 return;
1136 dump_object (op);
1137 LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1138 953
1139 /* Changed it to always dump core in this case. As has been learned
1140 * in the past, trying to recover from errors almost always
1141 * make things worse, and this is a real error here - something
1142 * that should not happen.
1143 * Yes, if this was a mission critical app, trying to do something
1144 * to recover may make sense, but that is because failure of the app
1145 * may have other disastrous problems. Cf runs out of a script
1146 * so is easily enough restarted without any real problems.
1147 * MSW 2001-07-01
1148 */
1149 abort ();
1150 }
1151
1152 if (op->more != NULL)
1153 remove_ob (op->more);
1154
1155 SET_FLAG (op, FLAG_REMOVED); 954 SET_FLAG (this, FLAG_REMOVED);
955 INVOKE_OBJECT (REMOVE, this);
956
957 if (more)
958 more->remove ();
1156 959
1157 /* 960 /*
1158 * In this case, the object to be removed is in someones 961 * In this case, the object to be removed is in someones
1159 * inventory. 962 * inventory.
1160 */ 963 */
1161 if (op->env != NULL) 964 if (env)
1162 { 965 {
1163 if (op->nrof) 966 if (nrof)
1164 sub_weight (op->env, op->weight * op->nrof); 967 sub_weight (env, weight * nrof);
1165 else 968 else
1166 sub_weight (op->env, op->weight + op->carrying); 969 sub_weight (env, weight + carrying);
1167 970
1168 /* NO_FIX_PLAYER is set when a great many changes are being 971 /* NO_FIX_PLAYER is set when a great many changes are being
1169 * made to players inventory. If set, avoiding the call 972 * made to players inventory. If set, avoiding the call
1170 * to save cpu time. 973 * to save cpu time.
1171 */ 974 */
1172 if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 975 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1173 fix_player (otmp); 976 otmp->update_stats ();
1174 977
1175 if (op->above != NULL) 978 if (above != NULL)
1176 op->above->below = op->below; 979 above->below = below;
1177 else 980 else
1178 op->env->inv = op->below; 981 env->inv = below;
1179 982
1180 if (op->below != NULL) 983 if (below != NULL)
1181 op->below->above = op->above; 984 below->above = above;
1182 985
1183 /* we set up values so that it could be inserted into 986 /* we set up values so that it could be inserted into
1184 * the map, but we don't actually do that - it is up 987 * the map, but we don't actually do that - it is up
1185 * to the caller to decide what we want to do. 988 * to the caller to decide what we want to do.
1186 */ 989 */
1187 op->x = op->env->x, op->y = op->env->y; 990 x = env->x, y = env->y;
1188 op->map = op->env->map; 991 map = env->map;
1189 op->above = NULL, op->below = NULL; 992 above = 0, below = 0;
1190 op->env = NULL; 993 env = 0;
1191 return;
1192 }
1193
1194 /* If we get here, we are removing it from a map */
1195 if (op->map == NULL)
1196 return;
1197
1198 x = op->x;
1199 y = op->y;
1200 m = get_map_from_coord (op->map, &x, &y);
1201
1202 if (!m)
1203 { 994 }
1204 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n", 995 else if (map)
1205 op->map->path, op->x, op->y); 996 {
1206 /* in old days, we used to set x and y to 0 and continue. 997 /* Re did the following section of code - it looks like it had
1207 * it seems if we get into this case, something is probablye 998 * lots of logic for things we no longer care about
1208 * screwed up and should be fixed.
1209 */ 999 */
1210 abort ();
1211 }
1212 if (op->map != m)
1213 {
1214 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1215 op->map->path, m->path, op->x, op->y, x, y);
1216 }
1217 1000
1218 /* Re did the following section of code - it looks like it had
1219 * lots of logic for things we no longer care about
1220 */
1221
1222 /* link the object above us */ 1001 /* link the object above us */
1223 if (op->above) 1002 if (above)
1224 op->above->below = op->below; 1003 above->below = below;
1225 else 1004 else
1226 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */ 1005 map->at (x, y).top = below; /* we were top, set new top */
1227 1006
1228 /* Relink the object below us, if there is one */ 1007 /* Relink the object below us, if there is one */
1229 if (op->below) 1008 if (below)
1230 op->below->above = op->above; 1009 below->above = above;
1231 else 1010 else
1232 {
1233 /* Nothing below, which means we need to relink map object for this space
1234 * use translated coordinates in case some oddness with map tiling is
1235 * evident
1236 */
1237 if (GET_MAP_OB (m, x, y) != op)
1238 { 1011 {
1239 dump_object (op); 1012 /* Nothing below, which means we need to relink map object for this space
1013 * use translated coordinates in case some oddness with map tiling is
1014 * evident
1015 */
1016 if (GET_MAP_OB (map, x, y) != this)
1017 {
1018 char *dump = dump_object (this);
1019 LOG (llevError,
1240 LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", 1020 "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
1241 errmsg); 1021 free (dump);
1242 dump_object (GET_MAP_OB (m, x, y)); 1022 dump = dump_object (GET_MAP_OB (map, x, y));
1243 LOG (llevError, "%s\n", errmsg); 1023 LOG (llevError, "%s\n", dump);
1024 free (dump);
1025 }
1026
1027 map->at (x, y).bot = above; /* goes on above it. */
1244 } 1028 }
1245 1029
1246 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */ 1030 above = 0;
1247 } 1031 below = 0;
1248 1032
1249 op->above = NULL;
1250 op->below = NULL;
1251
1252 if (op->map->in_memory == MAP_SAVING) 1033 if (map->in_memory == MAP_SAVING)
1253 return; 1034 return;
1254 1035
1255 tag = op->count; 1036 int check_walk_off = !flag [FLAG_NO_APPLY];
1256 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1257 1037
1258 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1038 for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)
1259 {
1260 /* No point updating the players look faces if he is the object
1261 * being removed.
1262 */
1263
1264 if (tmp->type == PLAYER && tmp != op)
1265 { 1039 {
1266 /* If a container that the player is currently using somehow gets 1040 /* No point updating the players look faces if he is the object
1267 * removed (most likely destroyed), update the player view 1041 * being removed.
1268 * appropriately.
1269 */ 1042 */
1270 if (tmp->container == op) 1043
1044 if (tmp->type == PLAYER && tmp != this)
1271 { 1045 {
1272 CLEAR_FLAG (op, FLAG_APPLIED); 1046 /* If a container that the player is currently using somehow gets
1047 * removed (most likely destroyed), update the player view
1048 * appropriately.
1049 */
1050 if (tmp->container == this)
1051 {
1052 flag [FLAG_APPLIED] = 0;
1273 tmp->container = NULL; 1053 tmp->container = 0;
1054 }
1055
1056 if (tmp->contr->ns)
1057 tmp->contr->ns->floorbox_update ();
1274 } 1058 }
1275 1059
1276 tmp->contr->socket.update_look = 1; 1060 /* See if player moving off should effect something */
1061 if (check_walk_off
1062 && ((move_type & tmp->move_off)
1063 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1064 {
1065 move_apply (tmp, this, 0);
1066
1067 if (destroyed ())
1068 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1069 }
1070
1071 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1072
1073 if (tmp->above == tmp)
1074 tmp->above = 0;
1075
1076 last = tmp;
1277 } 1077 }
1278 /* See if player moving off should effect something */
1279 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1280 {
1281 move_apply (tmp, op, NULL);
1282 1078
1283 if (was_destroyed (op, tag))
1284 {
1285 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1286 }
1287 }
1288
1289 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1290
1291 if (tmp->above == tmp)
1292 tmp->above = NULL;
1293
1294 last = tmp;
1295 }
1296
1297 /* last == NULL of there are no objects on this space */ 1079 /* last == NULL of there are no objects on this space */
1298 if (last == NULL) 1080 if (!last)
1299 { 1081 map->at (x, y).flags_ = P_NEED_UPDATE;
1300 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1301 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1302 * those out anyways, and if there are any flags set right now, they won't
1303 * be correct anyways.
1304 */
1305 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1306 update_position (op->map, op->x, op->y);
1307 }
1308 else 1082 else
1309 update_object (last, UP_OBJ_REMOVE); 1083 update_object (last, UP_OBJ_REMOVE);
1310 1084
1311 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0)) 1085 if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1312 update_all_los (op->map, op->x, op->y); 1086 update_all_los (map, x, y);
1087 }
1313} 1088}
1314 1089
1315/* 1090/*
1316 * merge_ob(op,top): 1091 * merge_ob(op,top):
1317 * 1092 *
1318 * This function goes through all objects below and including top, and 1093 * This function goes through all objects below and including top, and
1319 * merges op to the first matching object. 1094 * merges op to the first matching object.
1320 * If top is NULL, it is calculated. 1095 * If top is NULL, it is calculated.
1321 * Returns pointer to object if it succeded in the merge, otherwise NULL 1096 * Returns pointer to object if it succeded in the merge, otherwise NULL
1322 */ 1097 */
1323
1324object * 1098object *
1325merge_ob (object *op, object *top) 1099merge_ob (object *op, object *top)
1326{ 1100{
1327 if (!op->nrof) 1101 if (!op->nrof)
1328 return 0; 1102 return 0;
1329 if (top == NULL) 1103
1104 if (top)
1330 for (top = op; top != NULL && top->above != NULL; top = top->above); 1105 for (top = op; top && top->above; top = top->above)
1106 ;
1107
1331 for (; top != NULL; top = top->below) 1108 for (; top; top = top->below)
1332 { 1109 {
1333 if (top == op) 1110 if (top == op)
1334 continue; 1111 continue;
1335 if (CAN_MERGE (op, top)) 1112
1113 if (object::can_merge (op, top))
1336 { 1114 {
1337 top->nrof += op->nrof; 1115 top->nrof += op->nrof;
1338 1116
1339/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/ 1117/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1340 op->weight = 0; /* Don't want any adjustements now */ 1118 op->weight = 0; /* Don't want any adjustements now */
1341 remove_ob (op); 1119 op->destroy ();
1342 free_object (op);
1343 return top; 1120 return top;
1344 } 1121 }
1345 } 1122 }
1123
1346 return NULL; 1124 return 0;
1347} 1125}
1348 1126
1349/* 1127/*
1350 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1128 * same as insert_ob_in_map except it handle separate coordinates and do a clean
1351 * job preparing multi-part monsters 1129 * job preparing multi-part monsters
1352 */ 1130 */
1353object * 1131object *
1354insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y) 1132insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1355{ 1133{
1356 object * 1134 object *tmp;
1357 tmp;
1358 1135
1359 if (op->head) 1136 if (op->head)
1360 op = op->head; 1137 op = op->head;
1138
1361 for (tmp = op; tmp; tmp = tmp->more) 1139 for (tmp = op; tmp; tmp = tmp->more)
1362 { 1140 {
1363 tmp->x = x + tmp->arch->clone.x; 1141 tmp->x = x + tmp->arch->clone.x;
1364 tmp->y = y + tmp->arch->clone.y; 1142 tmp->y = y + tmp->arch->clone.y;
1365 } 1143 }
1144
1366 return insert_ob_in_map (op, m, originator, flag); 1145 return insert_ob_in_map (op, m, originator, flag);
1367} 1146}
1368 1147
1369/* 1148/*
1370 * insert_ob_in_map (op, map, originator, flag): 1149 * insert_ob_in_map (op, map, originator, flag):
… …
1384 * Return value: 1163 * Return value:
1385 * new object if 'op' was merged with other object 1164 * new object if 'op' was merged with other object
1386 * NULL if 'op' was destroyed 1165 * NULL if 'op' was destroyed
1387 * just 'op' otherwise 1166 * just 'op' otherwise
1388 */ 1167 */
1389
1390object * 1168object *
1391insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1169insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1392{ 1170{
1393 object *tmp, *top, *floor = NULL; 1171 object *tmp, *top, *floor = NULL;
1394 sint16 x, y; 1172 sint16 x, y;
1395 1173
1396 if (QUERY_FLAG (op, FLAG_FREED)) 1174 if (QUERY_FLAG (op, FLAG_FREED))
… …
1399 return NULL; 1177 return NULL;
1400 } 1178 }
1401 1179
1402 if (m == NULL) 1180 if (m == NULL)
1403 { 1181 {
1404 dump_object (op); 1182 char *dump = dump_object (op);
1405 LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg); 1183 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1184 free (dump);
1406 return op; 1185 return op;
1407 } 1186 }
1408 1187
1409 if (out_of_map (m, op->x, op->y)) 1188 if (out_of_map (m, op->x, op->y))
1410 { 1189 {
1411 dump_object (op); 1190 char *dump = dump_object (op);
1412 LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg); 1191 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1413#ifdef MANY_CORES 1192#ifdef MANY_CORES
1414 /* Better to catch this here, as otherwise the next use of this object 1193 /* Better to catch this here, as otherwise the next use of this object
1415 * is likely to cause a crash. Better to find out where it is getting 1194 * is likely to cause a crash. Better to find out where it is getting
1416 * improperly inserted. 1195 * improperly inserted.
1417 */ 1196 */
1418 abort (); 1197 abort ();
1419#endif 1198#endif
1199 free (dump);
1420 return op; 1200 return op;
1421 } 1201 }
1422 1202
1423 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1203 if (!QUERY_FLAG (op, FLAG_REMOVED))
1424 { 1204 {
1425 dump_object (op); 1205 char *dump = dump_object (op);
1426 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg); 1206 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1207 free (dump);
1427 return op; 1208 return op;
1428 } 1209 }
1429 1210
1430 if (op->more != NULL) 1211 if (op->more)
1431 { 1212 {
1432 /* The part may be on a different map. */ 1213 /* The part may be on a different map. */
1433 1214
1434 object *more = op->more; 1215 object *more = op->more;
1435 1216
… …
1451 if (insert_ob_in_map (more, more->map, originator, flag) == NULL) 1232 if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1452 { 1233 {
1453 if (!op->head) 1234 if (!op->head)
1454 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n"); 1235 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1455 1236
1456 return NULL; 1237 return 0;
1457 } 1238 }
1458 } 1239 }
1459 1240
1460 CLEAR_FLAG (op, FLAG_REMOVED); 1241 CLEAR_FLAG (op, FLAG_REMOVED);
1461 1242
… …
1469 1250
1470 /* this has to be done after we translate the coordinates. 1251 /* this has to be done after we translate the coordinates.
1471 */ 1252 */
1472 if (op->nrof && !(flag & INS_NO_MERGE)) 1253 if (op->nrof && !(flag & INS_NO_MERGE))
1473 for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above) 1254 for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)
1474 if (CAN_MERGE (op, tmp)) 1255 if (object::can_merge (op, tmp))
1475 { 1256 {
1476 op->nrof += tmp->nrof; 1257 op->nrof += tmp->nrof;
1477 remove_ob (tmp); 1258 tmp->destroy ();
1478 free_object (tmp);
1479 } 1259 }
1480 1260
1481 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1261 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1482 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1262 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1483 1263
… …
1496 op->below = originator->below; 1276 op->below = originator->below;
1497 1277
1498 if (op->below) 1278 if (op->below)
1499 op->below->above = op; 1279 op->below->above = op;
1500 else 1280 else
1501 SET_MAP_OB (op->map, op->x, op->y, op); 1281 op->ms ().bot = op;
1502 1282
1503 /* since *below* originator, no need to update top */ 1283 /* since *below* originator, no need to update top */
1504 originator->below = op; 1284 originator->below = op;
1505 } 1285 }
1506 else 1286 else
… …
1552 * If INS_ON_TOP is used, don't do this processing 1332 * If INS_ON_TOP is used, don't do this processing
1553 * Need to find the object that in fact blocks view, otherwise 1333 * Need to find the object that in fact blocks view, otherwise
1554 * stacking is a bit odd. 1334 * stacking is a bit odd.
1555 */ 1335 */
1556 if (!(flag & INS_ON_TOP) && 1336 if (!(flag & INS_ON_TOP) &&
1557 (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility)) 1337 (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1558 { 1338 {
1559 for (last = top; last != floor; last = last->below) 1339 for (last = top; last != floor; last = last->below)
1560 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1340 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1561 break; 1341 break;
1562 /* Check to see if we found the object that blocks view, 1342 /* Check to see if we found the object that blocks view,
… …
1585 1365
1586 if (op->above) 1366 if (op->above)
1587 op->above->below = op; 1367 op->above->below = op;
1588 1368
1589 op->below = NULL; 1369 op->below = NULL;
1590 SET_MAP_OB (op->map, op->x, op->y, op); 1370 op->ms ().bot = op;
1591 } 1371 }
1592 else 1372 else
1593 { /* get inserted into the stack above top */ 1373 { /* get inserted into the stack above top */
1594 op->above = top->above; 1374 op->above = top->above;
1595 1375
… …
1599 op->below = top; 1379 op->below = top;
1600 top->above = op; 1380 top->above = op;
1601 } 1381 }
1602 1382
1603 if (op->above == NULL) 1383 if (op->above == NULL)
1604 SET_MAP_TOP (op->map, op->x, op->y, op); 1384 op->ms ().top = op;
1605 } /* else not INS_BELOW_ORIGINATOR */ 1385 } /* else not INS_BELOW_ORIGINATOR */
1606 1386
1607 if (op->type == PLAYER) 1387 if (op->type == PLAYER)
1608 op->contr->do_los = 1; 1388 op->contr->do_los = 1;
1609 1389
1610 /* If we have a floor, we know the player, if any, will be above 1390 /* If we have a floor, we know the player, if any, will be above
1611 * it, so save a few ticks and start from there. 1391 * it, so save a few ticks and start from there.
1612 */ 1392 */
1613 if (!(flag & INS_MAP_LOAD)) 1393 if (!(flag & INS_MAP_LOAD))
1614 for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1394 if (object *pl = op->ms ().player ())
1615 if (tmp->type == PLAYER) 1395 if (pl->contr->ns)
1616 tmp->contr->socket.update_look = 1; 1396 pl->contr->ns->floorbox_update ();
1617 1397
1618 /* If this object glows, it may affect lighting conditions that are 1398 /* If this object glows, it may affect lighting conditions that are
1619 * visible to others on this map. But update_all_los is really 1399 * visible to others on this map. But update_all_los is really
1620 * an inefficient way to do this, as it means los for all players 1400 * an inefficient way to do this, as it means los for all players
1621 * on the map will get recalculated. The players could very well 1401 * on the map will get recalculated. The players could very well
1622 * be far away from this change and not affected in any way - 1402 * be far away from this change and not affected in any way -
1623 * this should get redone to only look for players within range, 1403 * this should get redone to only look for players within range,
1624 * or just updating the P_NEED_UPDATE for spaces within this area 1404 * or just updating the P_NEED_UPDATE for spaces within this area
1625 * of effect may be sufficient. 1405 * of effect may be sufficient.
1626 */ 1406 */
1627 if (MAP_DARKNESS (op->map) && (op->glow_radius != 0)) 1407 if (op->map->darkness && (op->glow_radius != 0))
1628 update_all_los (op->map, op->x, op->y); 1408 update_all_los (op->map, op->x, op->y);
1629 1409
1630 /* updates flags (blocked, alive, no magic, etc) for this map space */ 1410 /* updates flags (blocked, alive, no magic, etc) for this map space */
1631 update_object (op, UP_OBJ_INSERT); 1411 update_object (op, UP_OBJ_INSERT);
1632 1412
1413 INVOKE_OBJECT (INSERT, op);
1414
1633 /* Don't know if moving this to the end will break anything. However, 1415 /* Don't know if moving this to the end will break anything. However,
1634 * we want to have update_look set above before calling this. 1416 * we want to have floorbox_update called before calling this.
1635 * 1417 *
1636 * check_move_on() must be after this because code called from 1418 * check_move_on() must be after this because code called from
1637 * check_move_on() depends on correct map flags (so functions like 1419 * check_move_on() depends on correct map flags (so functions like
1638 * blocked() and wall() work properly), and these flags are updated by 1420 * blocked() and wall() work properly), and these flags are updated by
1639 * update_object(). 1421 * update_object().
… …
1641 1423
1642 /* if this is not the head or flag has been passed, don't check walk on status */ 1424 /* if this is not the head or flag has been passed, don't check walk on status */
1643 if (!(flag & INS_NO_WALK_ON) && !op->head) 1425 if (!(flag & INS_NO_WALK_ON) && !op->head)
1644 { 1426 {
1645 if (check_move_on (op, originator)) 1427 if (check_move_on (op, originator))
1646 return NULL; 1428 return 0;
1647 1429
1648 /* If we are a multi part object, lets work our way through the check 1430 /* If we are a multi part object, lets work our way through the check
1649 * walk on's. 1431 * walk on's.
1650 */ 1432 */
1651 for (tmp = op->more; tmp != NULL; tmp = tmp->more) 1433 for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1652 if (check_move_on (tmp, originator)) 1434 if (check_move_on (tmp, originator))
1653 return NULL; 1435 return 0;
1654 } 1436 }
1655 1437
1656 return op; 1438 return op;
1657} 1439}
1658 1440
1659/* this function inserts an object in the map, but if it 1441/* this function inserts an object in the map, but if it
1660 * finds an object of its own type, it'll remove that one first. 1442 * finds an object of its own type, it'll remove that one first.
1661 * op is the object to insert it under: supplies x and the map. 1443 * op is the object to insert it under: supplies x and the map.
1662 */ 1444 */
1663void 1445void
1664replace_insert_ob_in_map (const char *arch_string, object *op) 1446replace_insert_ob_in_map (const char *arch_string, object *op)
1665{ 1447{
1666 object *tmp;
1667 object *tmp1; 1448 object *tmp, *tmp1;
1668 1449
1669 /* first search for itself and remove any old instances */ 1450 /* first search for itself and remove any old instances */
1670 1451
1671 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1452 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1672 {
1673 if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */ 1453 if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1674 { 1454 tmp->destroy ();
1675 remove_ob (tmp);
1676 free_object (tmp);
1677 }
1678 }
1679 1455
1680 tmp1 = arch_to_object (find_archetype (arch_string)); 1456 tmp1 = arch_to_object (archetype::find (arch_string));
1681 1457
1682 tmp1->x = op->x; 1458 tmp1->x = op->x;
1683 tmp1->y = op->y; 1459 tmp1->y = op->y;
1684 insert_ob_in_map (tmp1, op->map, op, 0); 1460 insert_ob_in_map (tmp1, op->map, op, 0);
1685} 1461}
… …
1693 */ 1469 */
1694 1470
1695object * 1471object *
1696get_split_ob (object *orig_ob, uint32 nr) 1472get_split_ob (object *orig_ob, uint32 nr)
1697{ 1473{
1698 object * 1474 object *newob;
1699 newob;
1700 int
1701 is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0); 1475 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1702 1476
1703 if (orig_ob->nrof < nr) 1477 if (orig_ob->nrof < nr)
1704 { 1478 {
1705 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name); 1479 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1706 return NULL; 1480 return NULL;
1707 } 1481 }
1482
1708 newob = object_create_clone (orig_ob); 1483 newob = object_create_clone (orig_ob);
1484
1709 if ((orig_ob->nrof -= nr) < 1) 1485 if ((orig_ob->nrof -= nr) < 1)
1710 { 1486 orig_ob->destroy (1);
1711 if (!is_removed)
1712 remove_ob (orig_ob);
1713 free_object2 (orig_ob, 1);
1714 }
1715 else if (!is_removed) 1487 else if (!is_removed)
1716 { 1488 {
1717 if (orig_ob->env != NULL) 1489 if (orig_ob->env != NULL)
1718 sub_weight (orig_ob->env, orig_ob->weight * nr); 1490 sub_weight (orig_ob->env, orig_ob->weight * nr);
1719 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY) 1491 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
… …
1721 strcpy (errmsg, "Tried to split object whose map is not in memory."); 1493 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1722 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n"); 1494 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1723 return NULL; 1495 return NULL;
1724 } 1496 }
1725 } 1497 }
1498
1726 newob->nrof = nr; 1499 newob->nrof = nr;
1727 1500
1728 return newob; 1501 return newob;
1729} 1502}
1730 1503
… …
1737 */ 1510 */
1738 1511
1739object * 1512object *
1740decrease_ob_nr (object *op, uint32 i) 1513decrease_ob_nr (object *op, uint32 i)
1741{ 1514{
1742 object * 1515 object *tmp;
1743 tmp;
1744 player *
1745 pl;
1746 1516
1747 if (i == 0) /* objects with op->nrof require this check */ 1517 if (i == 0) /* objects with op->nrof require this check */
1748 return op; 1518 return op;
1749 1519
1750 if (i > op->nrof) 1520 if (i > op->nrof)
1751 i = op->nrof; 1521 i = op->nrof;
1752 1522
1753 if (QUERY_FLAG (op, FLAG_REMOVED)) 1523 if (QUERY_FLAG (op, FLAG_REMOVED))
1754 {
1755 op->nrof -= i; 1524 op->nrof -= i;
1756 }
1757 else if (op->env != NULL) 1525 else if (op->env)
1758 { 1526 {
1759 /* is this object in the players inventory, or sub container 1527 /* is this object in the players inventory, or sub container
1760 * therein? 1528 * therein?
1761 */ 1529 */
1762 tmp = is_player_inv (op->env); 1530 tmp = op->in_player ();
1763 /* nope. Is this a container the player has opened? 1531 /* nope. Is this a container the player has opened?
1764 * If so, set tmp to that player. 1532 * If so, set tmp to that player.
1765 * IMO, searching through all the players will mostly 1533 * IMO, searching through all the players will mostly
1766 * likely be quicker than following op->env to the map, 1534 * likely be quicker than following op->env to the map,
1767 * and then searching the map for a player. 1535 * and then searching the map for a player.
1768 */ 1536 */
1769 if (!tmp) 1537 if (!tmp)
1770 { 1538 for_all_players (pl)
1771 for (pl = first_player; pl; pl = pl->next)
1772 if (pl->ob->container == op->env) 1539 if (pl->ob->container == op->env)
1540 {
1541 tmp = pl->ob;
1773 break; 1542 break;
1774 if (pl)
1775 tmp = pl->ob;
1776 else
1777 tmp = NULL;
1778 } 1543 }
1779 1544
1780 if (i < op->nrof) 1545 if (i < op->nrof)
1781 { 1546 {
1782 sub_weight (op->env, op->weight * i); 1547 sub_weight (op->env, op->weight * i);
1783 op->nrof -= i; 1548 op->nrof -= i;
1784 if (tmp) 1549 if (tmp)
1785 {
1786 esrv_send_item (tmp, op); 1550 esrv_send_item (tmp, op);
1787 }
1788 } 1551 }
1789 else 1552 else
1790 { 1553 {
1791 remove_ob (op); 1554 op->remove ();
1792 op->nrof = 0; 1555 op->nrof = 0;
1793 if (tmp) 1556 if (tmp)
1794 {
1795 esrv_del_item (tmp->contr, op->count); 1557 esrv_del_item (tmp->contr, op->count);
1796 }
1797 } 1558 }
1798 } 1559 }
1799 else 1560 else
1800 { 1561 {
1801 object *
1802 above = op->above; 1562 object *above = op->above;
1803 1563
1804 if (i < op->nrof) 1564 if (i < op->nrof)
1805 {
1806 op->nrof -= i; 1565 op->nrof -= i;
1807 }
1808 else 1566 else
1809 { 1567 {
1810 remove_ob (op); 1568 op->remove ();
1811 op->nrof = 0; 1569 op->nrof = 0;
1812 } 1570 }
1571
1813 /* Since we just removed op, op->above is null */ 1572 /* Since we just removed op, op->above is null */
1814 for (tmp = above; tmp != NULL; tmp = tmp->above) 1573 for (tmp = above; tmp; tmp = tmp->above)
1815 if (tmp->type == PLAYER) 1574 if (tmp->type == PLAYER)
1816 { 1575 {
1817 if (op->nrof) 1576 if (op->nrof)
1818 esrv_send_item (tmp, op); 1577 esrv_send_item (tmp, op);
1819 else 1578 else
1820 esrv_del_item (tmp->contr, op->count); 1579 esrv_del_item (tmp->contr, op->count);
1821 } 1580 }
1822 } 1581 }
1823 1582
1824 if (op->nrof) 1583 if (op->nrof)
1825 {
1826 return op; 1584 return op;
1827 }
1828 else 1585 else
1829 { 1586 {
1830 free_object (op); 1587 op->destroy ();
1831 return NULL; 1588 return 0;
1832 } 1589 }
1833} 1590}
1834 1591
1835/* 1592/*
1836 * add_weight(object, weight) adds the specified weight to an object, 1593 * add_weight(object, weight) adds the specified weight to an object,
… …
1841add_weight (object *op, signed long weight) 1598add_weight (object *op, signed long weight)
1842{ 1599{
1843 while (op != NULL) 1600 while (op != NULL)
1844 { 1601 {
1845 if (op->type == CONTAINER) 1602 if (op->type == CONTAINER)
1846 {
1847 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1603 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1848 } 1604
1849 op->carrying += weight; 1605 op->carrying += weight;
1850 op = op->env; 1606 op = op->env;
1851 } 1607 }
1852} 1608}
1853 1609
1610object *
1611insert_ob_in_ob (object *op, object *where)
1612{
1613 if (!where)
1614 {
1615 char *dump = dump_object (op);
1616 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1617 free (dump);
1618 return op;
1619 }
1620
1621 if (where->head)
1622 {
1623 LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
1624 where = where->head;
1625 }
1626
1627 return where->insert (op);
1628}
1629
1854/* 1630/*
1855 * insert_ob_in_ob(op,environment): 1631 * env->insert (op)
1856 * This function inserts the object op in the linked list 1632 * This function inserts the object op in the linked list
1857 * inside the object environment. 1633 * inside the object environment.
1858 * 1634 *
1859 * Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1860 * the inventory at the last position or next to other objects of the same
1861 * type.
1862 * Frank: Now sorted by type, archetype and magic!
1863 *
1864 * The function returns now pointer to inserted item, and return value can 1635 * The function returns now pointer to inserted item, and return value can
1865 * be != op, if items are merged. -Tero 1636 * be != op, if items are merged. -Tero
1866 */ 1637 */
1867 1638
1868object * 1639object *
1869insert_ob_in_ob (object *op, object *where) 1640object::insert (object *op)
1870{ 1641{
1871 object * 1642 object *tmp, *otmp;
1872 tmp, *
1873 otmp;
1874 1643
1875 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1644 if (!QUERY_FLAG (op, FLAG_REMOVED))
1876 { 1645 op->remove ();
1877 dump_object (op); 1646
1878 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1879 return op;
1880 }
1881 if (where == NULL)
1882 {
1883 dump_object (op);
1884 LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1885 return op;
1886 }
1887 if (where->head)
1888 {
1889 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1890 where = where->head;
1891 }
1892 if (op->more) 1647 if (op->more)
1893 { 1648 {
1894 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1649 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1895 return op; 1650 return op;
1896 } 1651 }
1652
1897 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1653 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1898 CLEAR_FLAG (op, FLAG_REMOVED); 1654 CLEAR_FLAG (op, FLAG_REMOVED);
1899 if (op->nrof) 1655 if (op->nrof)
1900 { 1656 {
1901 for (tmp = where->inv; tmp != NULL; tmp = tmp->below) 1657 for (tmp = inv; tmp != NULL; tmp = tmp->below)
1902 if (CAN_MERGE (tmp, op)) 1658 if (object::can_merge (tmp, op))
1903 { 1659 {
1904 /* return the original object and remove inserted object 1660 /* return the original object and remove inserted object
1905 (client needs the original object) */ 1661 (client needs the original object) */
1906 tmp->nrof += op->nrof; 1662 tmp->nrof += op->nrof;
1907 /* Weight handling gets pretty funky. Since we are adding to 1663 /* Weight handling gets pretty funky. Since we are adding to
1908 * tmp->nrof, we need to increase the weight. 1664 * tmp->nrof, we need to increase the weight.
1909 */ 1665 */
1910 add_weight (where, op->weight * op->nrof); 1666 add_weight (this, op->weight * op->nrof);
1911 SET_FLAG (op, FLAG_REMOVED); 1667 SET_FLAG (op, FLAG_REMOVED);
1912 free_object (op); /* free the inserted object */ 1668 op->destroy (); /* free the inserted object */
1913 op = tmp; 1669 op = tmp;
1914 remove_ob (op); /* and fix old object's links */ 1670 op->remove (); /* and fix old object's links */
1915 CLEAR_FLAG (op, FLAG_REMOVED); 1671 CLEAR_FLAG (op, FLAG_REMOVED);
1916 break; 1672 break;
1917 } 1673 }
1918 1674
1919 /* I assume combined objects have no inventory 1675 /* I assume combined objects have no inventory
1920 * We add the weight - this object could have just been removed 1676 * We add the weight - this object could have just been removed
1921 * (if it was possible to merge). calling remove_ob will subtract 1677 * (if it was possible to merge). calling remove_ob will subtract
1922 * the weight, so we need to add it in again, since we actually do 1678 * the weight, so we need to add it in again, since we actually do
1923 * the linking below 1679 * the linking below
1924 */ 1680 */
1925 add_weight (where, op->weight * op->nrof); 1681 add_weight (this, op->weight * op->nrof);
1926 } 1682 }
1927 else 1683 else
1928 add_weight (where, (op->weight + op->carrying)); 1684 add_weight (this, (op->weight + op->carrying));
1929 1685
1930 otmp = is_player_inv (where); 1686 otmp = this->in_player ();
1931 if (otmp && otmp->contr != NULL) 1687 if (otmp && otmp->contr)
1932 {
1933 if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1688 if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1934 fix_player (otmp); 1689 otmp->update_stats ();
1935 }
1936 1690
1937 op->map = NULL; 1691 op->map = 0;
1938 op->env = where; 1692 op->env = this;
1939 op->above = NULL; 1693 op->above = 0;
1940 op->below = NULL; 1694 op->below = 0;
1941 op->x = 0, op->y = 0; 1695 op->x = 0, op->y = 0;
1942 1696
1943 /* reset the light list and los of the players on the map */ 1697 /* reset the light list and los of the players on the map */
1944 if ((op->glow_radius != 0) && where->map) 1698 if ((op->glow_radius != 0) && map)
1945 { 1699 {
1946#ifdef DEBUG_LIGHTS 1700#ifdef DEBUG_LIGHTS
1947 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name); 1701 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1948#endif /* DEBUG_LIGHTS */ 1702#endif /* DEBUG_LIGHTS */
1949 if (MAP_DARKNESS (where->map)) 1703 if (map->darkness)
1950 update_all_los (where->map, where->x, where->y); 1704 update_all_los (map, x, y);
1951 } 1705 }
1952 1706
1953 /* Client has no idea of ordering so lets not bother ordering it here. 1707 /* Client has no idea of ordering so lets not bother ordering it here.
1954 * It sure simplifies this function... 1708 * It sure simplifies this function...
1955 */ 1709 */
1956 if (where->inv == NULL) 1710 if (!inv)
1957 where->inv = op; 1711 inv = op;
1958 else 1712 else
1959 { 1713 {
1960 op->below = where->inv; 1714 op->below = inv;
1961 op->below->above = op; 1715 op->below->above = op;
1962 where->inv = op; 1716 inv = op;
1963 } 1717 }
1718
1719 INVOKE_OBJECT (INSERT, this);
1720
1964 return op; 1721 return op;
1965} 1722}
1966 1723
1967/* 1724/*
1968 * Checks if any objects has a move_type that matches objects 1725 * Checks if any objects has a move_type that matches objects
… …
1987 1744
1988int 1745int
1989check_move_on (object *op, object *originator) 1746check_move_on (object *op, object *originator)
1990{ 1747{
1991 object *tmp; 1748 object *tmp;
1992 tag_t tag;
1993 mapstruct *m = op->map; 1749 maptile *m = op->map;
1994 int x = op->x, y = op->y; 1750 int x = op->x, y = op->y;
1995 1751
1996 MoveType move_on, move_slow, move_block; 1752 MoveType move_on, move_slow, move_block;
1997 1753
1998 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1754 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1999 return 0; 1755 return 0;
2000
2001 tag = op->count;
2002 1756
2003 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y); 1757 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2004 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y); 1758 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2005 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y); 1759 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2006 1760
… …
2022 1776
2023 /* The objects have to be checked from top to bottom. 1777 /* The objects have to be checked from top to bottom.
2024 * Hence, we first go to the top: 1778 * Hence, we first go to the top:
2025 */ 1779 */
2026 1780
2027 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above) 1781 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
2028 { 1782 {
2029 /* Trim the search when we find the first other spell effect 1783 /* Trim the search when we find the first other spell effect
2030 * this helps performance so that if a space has 50 spell objects, 1784 * this helps performance so that if a space has 50 spell objects,
2031 * we don't need to check all of them. 1785 * we don't need to check all of them.
2032 */ 1786 */
… …
2049 { 1803 {
2050 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1804 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2051 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 1805 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2052 { 1806 {
2053 1807
1808 float
2054 float diff = tmp->move_slow_penalty * FABS (op->speed); 1809 diff = tmp->move_slow_penalty * FABS (op->speed);
2055 1810
2056 if (op->type == PLAYER) 1811 if (op->type == PLAYER)
2057 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) || 1812 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2058 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN))) 1813 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2059 diff /= 4.0; 1814 diff /= 4.0;
… …
2066 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1821 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2067 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0)) 1822 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2068 { 1823 {
2069 move_apply (tmp, op, originator); 1824 move_apply (tmp, op, originator);
2070 1825
2071 if (was_destroyed (op, tag)) 1826 if (op->destroyed ())
2072 return 1; 1827 return 1;
2073 1828
2074 /* what the person/creature stepped onto has moved the object 1829 /* what the person/creature stepped onto has moved the object
2075 * someplace new. Don't process any further - if we did, 1830 * someplace new. Don't process any further - if we did,
2076 * have a feeling strange problems would result. 1831 * have a feeling strange problems would result.
… …
2086/* 1841/*
2087 * present_arch(arch, map, x, y) searches for any objects with 1842 * present_arch(arch, map, x, y) searches for any objects with
2088 * a matching archetype at the given map and coordinates. 1843 * a matching archetype at the given map and coordinates.
2089 * The first matching object is returned, or NULL if none. 1844 * The first matching object is returned, or NULL if none.
2090 */ 1845 */
2091
2092object * 1846object *
2093present_arch (const archetype *at, mapstruct *m, int x, int y) 1847present_arch (const archetype *at, maptile *m, int x, int y)
2094{ 1848{
2095 object *
2096 tmp;
2097
2098 if (m == NULL || out_of_map (m, x, y)) 1849 if (m == NULL || out_of_map (m, x, y))
2099 { 1850 {
2100 LOG (llevError, "Present_arch called outside map.\n"); 1851 LOG (llevError, "Present_arch called outside map.\n");
2101 return NULL; 1852 return NULL;
2102 } 1853 }
1854
2103 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1855 for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
2104 if (tmp->arch == at) 1856 if (tmp->arch == at)
2105 return tmp; 1857 return tmp;
1858
2106 return NULL; 1859 return NULL;
2107} 1860}
2108 1861
2109/* 1862/*
2110 * present(type, map, x, y) searches for any objects with 1863 * present(type, map, x, y) searches for any objects with
2111 * a matching type variable at the given map and coordinates. 1864 * a matching type variable at the given map and coordinates.
2112 * The first matching object is returned, or NULL if none. 1865 * The first matching object is returned, or NULL if none.
2113 */ 1866 */
2114
2115object * 1867object *
2116present (unsigned char type, mapstruct *m, int x, int y) 1868present (unsigned char type, maptile *m, int x, int y)
2117{ 1869{
2118 object *
2119 tmp;
2120
2121 if (out_of_map (m, x, y)) 1870 if (out_of_map (m, x, y))
2122 { 1871 {
2123 LOG (llevError, "Present called outside map.\n"); 1872 LOG (llevError, "Present called outside map.\n");
2124 return NULL; 1873 return NULL;
2125 } 1874 }
1875
2126 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1876 for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
2127 if (tmp->type == type) 1877 if (tmp->type == type)
2128 return tmp; 1878 return tmp;
1879
2129 return NULL; 1880 return NULL;
2130} 1881}
2131 1882
2132/* 1883/*
2133 * present_in_ob(type, object) searches for any objects with 1884 * present_in_ob(type, object) searches for any objects with
2134 * a matching type variable in the inventory of the given object. 1885 * a matching type variable in the inventory of the given object.
2135 * The first matching object is returned, or NULL if none. 1886 * The first matching object is returned, or NULL if none.
2136 */ 1887 */
2137
2138object * 1888object *
2139present_in_ob (unsigned char type, const object *op) 1889present_in_ob (unsigned char type, const object *op)
2140{ 1890{
2141 object *
2142 tmp;
2143
2144 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1891 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2145 if (tmp->type == type) 1892 if (tmp->type == type)
2146 return tmp; 1893 return tmp;
1894
2147 return NULL; 1895 return NULL;
2148} 1896}
2149 1897
2150/* 1898/*
2151 * present_in_ob (type, str, object) searches for any objects with 1899 * present_in_ob (type, str, object) searches for any objects with
… …
2159 * str is the string to match against. Note that we match against 1907 * str is the string to match against. Note that we match against
2160 * the object name, not the archetype name. this is so that the 1908 * the object name, not the archetype name. this is so that the
2161 * spell code can use one object type (force), but change it's name 1909 * spell code can use one object type (force), but change it's name
2162 * to be unique. 1910 * to be unique.
2163 */ 1911 */
2164
2165object * 1912object *
2166present_in_ob_by_name (int type, const char *str, const object *op) 1913present_in_ob_by_name (int type, const char *str, const object *op)
2167{ 1914{
2168 object *
2169 tmp;
2170
2171 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1915 for (object *tmp = op->inv; tmp; tmp = tmp->below)
2172 {
2173 if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name))) 1916 if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2174 return tmp; 1917 return tmp;
2175 } 1918
2176 return NULL; 1919 return 0;
2177} 1920}
2178 1921
2179/* 1922/*
2180 * present_arch_in_ob(archetype, object) searches for any objects with 1923 * present_arch_in_ob(archetype, object) searches for any objects with
2181 * a matching archetype in the inventory of the given object. 1924 * a matching archetype in the inventory of the given object.
2182 * The first matching object is returned, or NULL if none. 1925 * The first matching object is returned, or NULL if none.
2183 */ 1926 */
2184
2185object * 1927object *
2186present_arch_in_ob (const archetype *at, const object *op) 1928present_arch_in_ob (const archetype *at, const object *op)
2187{ 1929{
2188 object *
2189 tmp;
2190
2191 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1930 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2192 if (tmp->arch == at) 1931 if (tmp->arch == at)
2193 return tmp; 1932 return tmp;
1933
2194 return NULL; 1934 return NULL;
2195} 1935}
2196 1936
2197/* 1937/*
2198 * activate recursively a flag on an object inventory 1938 * activate recursively a flag on an object inventory
2199 */ 1939 */
2200void 1940void
2201flag_inv (object *op, int flag) 1941flag_inv (object *op, int flag)
2202{ 1942{
2203 object *
2204 tmp;
2205
2206 if (op->inv) 1943 if (op->inv)
2207 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1944 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2208 { 1945 {
2209 SET_FLAG (tmp, flag); 1946 SET_FLAG (tmp, flag);
2210 flag_inv (tmp, flag); 1947 flag_inv (tmp, flag);
2211 } 1948 }
2212} /* 1949}
1950
1951/*
2213 * desactivate recursively a flag on an object inventory 1952 * deactivate recursively a flag on an object inventory
2214 */ 1953 */
2215void 1954void
2216unflag_inv (object *op, int flag) 1955unflag_inv (object *op, int flag)
2217{ 1956{
2218 object *
2219 tmp;
2220
2221 if (op->inv) 1957 if (op->inv)
2222 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1958 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2223 { 1959 {
2224 CLEAR_FLAG (tmp, flag); 1960 CLEAR_FLAG (tmp, flag);
2225 unflag_inv (tmp, flag); 1961 unflag_inv (tmp, flag);
2226 } 1962 }
2227} 1963}
… …
2230 * set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in 1966 * set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2231 * all it's inventory (recursively). 1967 * all it's inventory (recursively).
2232 * If checksums are used, a player will get set_cheat called for 1968 * If checksums are used, a player will get set_cheat called for
2233 * him/her-self and all object carried by a call to this function. 1969 * him/her-self and all object carried by a call to this function.
2234 */ 1970 */
2235
2236void 1971void
2237set_cheat (object *op) 1972set_cheat (object *op)
2238{ 1973{
2239 SET_FLAG (op, FLAG_WAS_WIZ); 1974 SET_FLAG (op, FLAG_WAS_WIZ);
2240 flag_inv (op, FLAG_WAS_WIZ); 1975 flag_inv (op, FLAG_WAS_WIZ);
… …
2259 * because arch_blocked (now ob_blocked) needs to know the movement type 1994 * because arch_blocked (now ob_blocked) needs to know the movement type
2260 * to know if the space in question will block the object. We can't use 1995 * to know if the space in question will block the object. We can't use
2261 * the archetype because that isn't correct if the monster has been 1996 * the archetype because that isn't correct if the monster has been
2262 * customized, changed states, etc. 1997 * customized, changed states, etc.
2263 */ 1998 */
2264
2265int 1999int
2266find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop) 2000find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2267{ 2001{
2268 int
2269 i,
2270 index = 0, flag; 2002 int index = 0, flag;
2271 static int
2272 altern[SIZEOFFREE]; 2003 int altern[SIZEOFFREE];
2273 2004
2274 for (i = start; i < stop; i++) 2005 for (int i = start; i < stop; i++)
2275 { 2006 {
2276 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]); 2007 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2277 if (!flag) 2008 if (!flag)
2278 altern[index++] = i; 2009 altern [index++] = i;
2279 2010
2280 /* Basically, if we find a wall on a space, we cut down the search size. 2011 /* Basically, if we find a wall on a space, we cut down the search size.
2281 * In this way, we won't return spaces that are on another side of a wall. 2012 * In this way, we won't return spaces that are on another side of a wall.
2282 * This mostly work, but it cuts down the search size in all directions - 2013 * This mostly work, but it cuts down the search size in all directions -
2283 * if the space being examined only has a wall to the north and empty 2014 * if the space being examined only has a wall to the north and empty
2284 * spaces in all the other directions, this will reduce the search space 2015 * spaces in all the other directions, this will reduce the search space
2285 * to only the spaces immediately surrounding the target area, and 2016 * to only the spaces immediately surrounding the target area, and
2286 * won't look 2 spaces south of the target space. 2017 * won't look 2 spaces south of the target space.
2287 */ 2018 */
2288 else if ((flag & AB_NO_PASS) && maxfree[i] < stop) 2019 else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2289 stop = maxfree[i]; 2020 stop = maxfree[i];
2290 } 2021 }
2022
2291 if (!index) 2023 if (!index)
2292 return -1; 2024 return -1;
2025
2293 return altern[RANDOM () % index]; 2026 return altern[RANDOM () % index];
2294} 2027}
2295 2028
2296/* 2029/*
2297 * find_first_free_spot(archetype, mapstruct, x, y) works like 2030 * find_first_free_spot(archetype, maptile, x, y) works like
2298 * find_free_spot(), but it will search max number of squares. 2031 * find_free_spot(), but it will search max number of squares.
2299 * But it will return the first available spot, not a random choice. 2032 * But it will return the first available spot, not a random choice.
2300 * Changed 0.93.2: Have it return -1 if there is no free spot available. 2033 * Changed 0.93.2: Have it return -1 if there is no free spot available.
2301 */ 2034 */
2302
2303int 2035int
2304find_first_free_spot (const object *ob, mapstruct *m, int x, int y) 2036find_first_free_spot (const object *ob, maptile *m, int x, int y)
2305{ 2037{
2306 int
2307 i;
2308
2309 for (i = 0; i < SIZEOFFREE; i++) 2038 for (int i = 0; i < SIZEOFFREE; i++)
2310 {
2311 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i])) 2039 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2312 return i; 2040 return i;
2313 } 2041
2314 return -1; 2042 return -1;
2315} 2043}
2316 2044
2317/* 2045/*
2318 * The function permute(arr, begin, end) randomly reorders the array 2046 * The function permute(arr, begin, end) randomly reorders the array
2319 * arr[begin..end-1]. 2047 * arr[begin..end-1].
2048 * now uses a fisher-yates shuffle, old permute was broken
2320 */ 2049 */
2321static void 2050static void
2322permute (int *arr, int begin, int end) 2051permute (int *arr, int begin, int end)
2323{ 2052{
2324 int 2053 arr += begin;
2325 i,
2326 j,
2327 tmp,
2328 len;
2329
2330 len = end - begin; 2054 end -= begin;
2331 for (i = begin; i < end; i++)
2332 {
2333 j = begin + RANDOM () % len;
2334 2055
2335 tmp = arr[i]; 2056 while (--end)
2336 arr[i] = arr[j]; 2057 swap (arr [end], arr [RANDOM () % (end + 1)]);
2337 arr[j] = tmp;
2338 }
2339} 2058}
2340 2059
2341/* new function to make monster searching more efficient, and effective! 2060/* new function to make monster searching more efficient, and effective!
2342 * This basically returns a randomized array (in the passed pointer) of 2061 * This basically returns a randomized array (in the passed pointer) of
2343 * the spaces to find monsters. In this way, it won't always look for 2062 * the spaces to find monsters. In this way, it won't always look for
… …
2346 * the 3x3 area will be searched, just not in a predictable order. 2065 * the 3x3 area will be searched, just not in a predictable order.
2347 */ 2066 */
2348void 2067void
2349get_search_arr (int *search_arr) 2068get_search_arr (int *search_arr)
2350{ 2069{
2351 int 2070 int i;
2352 i;
2353 2071
2354 for (i = 0; i < SIZEOFFREE; i++) 2072 for (i = 0; i < SIZEOFFREE; i++)
2355 {
2356 search_arr[i] = i; 2073 search_arr[i] = i;
2357 }
2358 2074
2359 permute (search_arr, 1, SIZEOFFREE1 + 1); 2075 permute (search_arr, 1, SIZEOFFREE1 + 1);
2360 permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1); 2076 permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2361 permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE); 2077 permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2362} 2078}
… …
2371 * Perhaps incorrectly, but I'm making the assumption that exclude 2087 * Perhaps incorrectly, but I'm making the assumption that exclude
2372 * is actually want is going to try and move there. We need this info 2088 * is actually want is going to try and move there. We need this info
2373 * because we have to know what movement the thing looking to move 2089 * because we have to know what movement the thing looking to move
2374 * there is capable of. 2090 * there is capable of.
2375 */ 2091 */
2376
2377int 2092int
2378find_dir (mapstruct *m, int x, int y, object *exclude) 2093find_dir (maptile *m, int x, int y, object *exclude)
2379{ 2094{
2380 int
2381 i,
2382 max = SIZEOFFREE, mflags; 2095 int i, max = SIZEOFFREE, mflags;
2383 sint16 2096
2384 nx, 2097 sint16 nx, ny;
2385 ny;
2386 object * 2098 object *tmp;
2387 tmp; 2099 maptile *mp;
2388 mapstruct * 2100
2389 mp; 2101 MoveType blocked, move_type;
2390 MoveType
2391 blocked,
2392 move_type;
2393 2102
2394 if (exclude && exclude->head) 2103 if (exclude && exclude->head)
2395 { 2104 {
2396 exclude = exclude->head; 2105 exclude = exclude->head;
2397 move_type = exclude->move_type; 2106 move_type = exclude->move_type;
… …
2407 mp = m; 2116 mp = m;
2408 nx = x + freearr_x[i]; 2117 nx = x + freearr_x[i];
2409 ny = y + freearr_y[i]; 2118 ny = y + freearr_y[i];
2410 2119
2411 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); 2120 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
2121
2412 if (mflags & P_OUT_OF_MAP) 2122 if (mflags & P_OUT_OF_MAP)
2413 {
2414 max = maxfree[i]; 2123 max = maxfree[i];
2415 }
2416 else 2124 else
2417 { 2125 {
2418 blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny); 2126 mapspace &ms = mp->at (nx, ny);
2127
2128 blocked = ms.move_block;
2419 2129
2420 if ((move_type & blocked) == move_type) 2130 if ((move_type & blocked) == move_type)
2421 {
2422 max = maxfree[i]; 2131 max = maxfree[i];
2423 }
2424 else if (mflags & P_IS_ALIVE) 2132 else if (mflags & P_IS_ALIVE)
2425 { 2133 {
2426 for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above) 2134 for (tmp = ms.bot; tmp; tmp = tmp->above)
2427 { 2135 if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2428 if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude))) 2136 && (tmp != exclude || (tmp->head && tmp->head != exclude)))
2429 {
2430 break; 2137 break;
2431 } 2138
2432 }
2433 if (tmp) 2139 if (tmp)
2434 {
2435 return freedir[i]; 2140 return freedir[i];
2436 }
2437 } 2141 }
2438 } 2142 }
2439 } 2143 }
2144
2440 return 0; 2145 return 0;
2441} 2146}
2442 2147
2443/* 2148/*
2444 * distance(object 1, object 2) will return the square of the 2149 * distance(object 1, object 2) will return the square of the
2445 * distance between the two given objects. 2150 * distance between the two given objects.
2446 */ 2151 */
2447
2448int 2152int
2449distance (const object *ob1, const object *ob2) 2153distance (const object *ob1, const object *ob2)
2450{ 2154{
2451 int
2452 i;
2453
2454 i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y); 2155 return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2455 return i;
2456} 2156}
2457 2157
2458/* 2158/*
2459 * find_dir_2(delta-x,delta-y) will return a direction in which 2159 * find_dir_2(delta-x,delta-y) will return a direction in which
2460 * an object which has subtracted the x and y coordinates of another 2160 * an object which has subtracted the x and y coordinates of another
2461 * object, needs to travel toward it. 2161 * object, needs to travel toward it.
2462 */ 2162 */
2463
2464int 2163int
2465find_dir_2 (int x, int y) 2164find_dir_2 (int x, int y)
2466{ 2165{
2467 int 2166 int q;
2468 q;
2469 2167
2470 if (y) 2168 if (y)
2471 q = x * 100 / y; 2169 q = x * 100 / y;
2472 else if (x) 2170 else if (x)
2473 q = -300 * x; 2171 q = -300 * x;
… …
2508int 2206int
2509absdir (int d) 2207absdir (int d)
2510{ 2208{
2511 while (d < 1) 2209 while (d < 1)
2512 d += 8; 2210 d += 8;
2211
2513 while (d > 8) 2212 while (d > 8)
2514 d -= 8; 2213 d -= 8;
2214
2515 return d; 2215 return d;
2516} 2216}
2517 2217
2518/* 2218/*
2519 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is 2219 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is
… …
2521 */ 2221 */
2522 2222
2523int 2223int
2524dirdiff (int dir1, int dir2) 2224dirdiff (int dir1, int dir2)
2525{ 2225{
2526 int 2226 int d;
2527 d;
2528 2227
2529 d = abs (dir1 - dir2); 2228 d = abs (dir1 - dir2);
2530 if (d > 4) 2229 if (d > 4)
2531 d = 8 - d; 2230 d = 8 - d;
2231
2532 return d; 2232 return d;
2533} 2233}
2534 2234
2535/* peterm: 2235/* peterm:
2536 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster. 2236 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
… …
2539 * This basically means that if direction is 15, then it could either go 2239 * This basically means that if direction is 15, then it could either go
2540 * direction 4, 14, or 16 to get back to where we are. 2240 * direction 4, 14, or 16 to get back to where we are.
2541 * Moved from spell_util.c to object.c with the other related direction 2241 * Moved from spell_util.c to object.c with the other related direction
2542 * functions. 2242 * functions.
2543 */ 2243 */
2544
2545int
2546 reduction_dir[SIZEOFFREE][3] = { 2244int reduction_dir[SIZEOFFREE][3] = {
2547 {0, 0, 0}, /* 0 */ 2245 {0, 0, 0}, /* 0 */
2548 {0, 0, 0}, /* 1 */ 2246 {0, 0, 0}, /* 1 */
2549 {0, 0, 0}, /* 2 */ 2247 {0, 0, 0}, /* 2 */
2550 {0, 0, 0}, /* 3 */ 2248 {0, 0, 0}, /* 3 */
2551 {0, 0, 0}, /* 4 */ 2249 {0, 0, 0}, /* 4 */
… …
2599 * find a path to that monster that we found. If not, 2297 * find a path to that monster that we found. If not,
2600 * we don't bother going toward it. Returns 1 if we 2298 * we don't bother going toward it. Returns 1 if we
2601 * can see a direct way to get it 2299 * can see a direct way to get it
2602 * Modified to be map tile aware -.MSW 2300 * Modified to be map tile aware -.MSW
2603 */ 2301 */
2604
2605
2606int 2302int
2607can_see_monsterP (mapstruct *m, int x, int y, int dir) 2303can_see_monsterP (maptile *m, int x, int y, int dir)
2608{ 2304{
2609 sint16 2305 sint16 dx, dy;
2610 dx,
2611 dy;
2612 int
2613 mflags; 2306 int mflags;
2614 2307
2615 if (dir < 0) 2308 if (dir < 0)
2616 return 0; /* exit condition: invalid direction */ 2309 return 0; /* exit condition: invalid direction */
2617 2310
2618 dx = x + freearr_x[dir]; 2311 dx = x + freearr_x[dir];
… …
2631 return 0; 2324 return 0;
2632 2325
2633 /* yes, can see. */ 2326 /* yes, can see. */
2634 if (dir < 9) 2327 if (dir < 9)
2635 return 1; 2328 return 1;
2329
2636 return can_see_monsterP (m, x, y, reduction_dir[dir][0]) | 2330 return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2637 can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]); 2331 | can_see_monsterP (m, x, y, reduction_dir[dir][1])
2332 | can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2638} 2333}
2639
2640
2641 2334
2642/* 2335/*
2643 * can_pick(picker, item): finds out if an object is possible to be 2336 * can_pick(picker, item): finds out if an object is possible to be
2644 * picked up by the picker. Returnes 1 if it can be 2337 * picked up by the picker. Returnes 1 if it can be
2645 * picked up, otherwise 0. 2338 * picked up, otherwise 0.
… …
2656 return /*QUERY_FLAG(who,FLAG_WIZ)|| */ 2349 return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2657 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) && 2350 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2658 !QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3)); 2351 !QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2659} 2352}
2660 2353
2661
2662/* 2354/*
2663 * create clone from object to another 2355 * create clone from object to another
2664 */ 2356 */
2665object * 2357object *
2666object_create_clone (object *asrc) 2358object_create_clone (object *asrc)
2667{ 2359{
2668 object *
2669 dst = NULL, *tmp, *src, *part, *prev, *item; 2360 object *dst = 0, *tmp, *src, *part, *prev, *item;
2670 2361
2671 if (!asrc) 2362 if (!asrc)
2672 return NULL; 2363 return 0;
2364
2673 src = asrc; 2365 src = asrc;
2674 if (src->head) 2366 if (src->head)
2675 src = src->head; 2367 src = src->head;
2676 2368
2677 prev = NULL; 2369 prev = 0;
2678 for (part = src; part; part = part->more) 2370 for (part = src; part; part = part->more)
2679 { 2371 {
2680 tmp = get_object (); 2372 tmp = part->clone ();
2681 copy_object (part, tmp);
2682 tmp->x -= src->x; 2373 tmp->x -= src->x;
2683 tmp->y -= src->y; 2374 tmp->y -= src->y;
2375
2684 if (!part->head) 2376 if (!part->head)
2685 { 2377 {
2686 dst = tmp; 2378 dst = tmp;
2687 tmp->head = NULL; 2379 tmp->head = 0;
2688 } 2380 }
2689 else 2381 else
2690 {
2691 tmp->head = dst; 2382 tmp->head = dst;
2692 } 2383
2693 tmp->more = NULL; 2384 tmp->more = 0;
2385
2694 if (prev) 2386 if (prev)
2695 prev->more = tmp; 2387 prev->more = tmp;
2388
2696 prev = tmp; 2389 prev = tmp;
2697 } 2390 }
2698 2391
2699 /*** copy inventory ***/
2700 for (item = src->inv; item; item = item->below) 2392 for (item = src->inv; item; item = item->below)
2701 {
2702 (void) insert_ob_in_ob (object_create_clone (item), dst); 2393 insert_ob_in_ob (object_create_clone (item), dst);
2703 }
2704 2394
2705 return dst; 2395 return dst;
2706} 2396}
2707 2397
2708/* return true if the object was destroyed, 0 otherwise */
2709int
2710was_destroyed (const object *op, tag_t old_tag)
2711{
2712 /* checking for FLAG_FREED isn't necessary, but makes this function more
2713 * robust */
2714 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2715}
2716
2717/* GROS - Creates an object using a string representing its content. */ 2398/* GROS - Creates an object using a string representing its content. */
2718
2719/* Basically, we save the content of the string to a temp file, then call */ 2399/* Basically, we save the content of the string to a temp file, then call */
2720
2721/* load_object on it. I admit it is a highly inefficient way to make things, */ 2400/* load_object on it. I admit it is a highly inefficient way to make things, */
2722
2723/* but it was simple to make and allows reusing the load_object function. */ 2401/* but it was simple to make and allows reusing the load_object function. */
2724
2725/* Remember not to use load_object_str in a time-critical situation. */ 2402/* Remember not to use load_object_str in a time-critical situation. */
2726
2727/* Also remember that multiparts objects are not supported for now. */ 2403/* Also remember that multiparts objects are not supported for now. */
2728
2729object * 2404object *
2730load_object_str (const char *obstr) 2405load_object_str (const char *obstr)
2731{ 2406{
2732 object * 2407 object *op;
2733 op;
2734 char
2735 filename[MAX_BUF]; 2408 char filename[MAX_BUF];
2736 2409
2737 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2410 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2738 2411
2739 FILE *
2740 tempfile = fopen (filename, "w"); 2412 FILE *tempfile = fopen (filename, "w");
2741 2413
2742 if (tempfile == NULL) 2414 if (tempfile == NULL)
2743 { 2415 {
2744 LOG (llevError, "Error - Unable to access load object temp file\n"); 2416 LOG (llevError, "Error - Unable to access load object temp file\n");
2745 return NULL; 2417 return NULL;
2746 }; 2418 }
2419
2747 fprintf (tempfile, obstr); 2420 fprintf (tempfile, obstr);
2748 fclose (tempfile); 2421 fclose (tempfile);
2749 2422
2750 op = get_object (); 2423 op = object::create ();
2751 2424
2752 object_thawer 2425 object_thawer thawer (filename);
2753 thawer (filename);
2754 2426
2755 if (thawer) 2427 if (thawer)
2756 load_object (thawer, op, 0); 2428 load_object (thawer, op, 0);
2757 2429
2758 LOG (llevDebug, " load str completed, object=%s\n", &op->name); 2430 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
… …
2766 * returns NULL if no match. 2438 * returns NULL if no match.
2767 */ 2439 */
2768object * 2440object *
2769find_obj_by_type_subtype (const object *who, int type, int subtype) 2441find_obj_by_type_subtype (const object *who, int type, int subtype)
2770{ 2442{
2771 object *
2772 tmp;
2773
2774 for (tmp = who->inv; tmp; tmp = tmp->below) 2443 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2775 if (tmp->type == type && tmp->subtype == subtype) 2444 if (tmp->type == type && tmp->subtype == subtype)
2776 return tmp; 2445 return tmp;
2777 2446
2778 return NULL; 2447 return 0;
2779} 2448}
2780 2449
2781/* If ob has a field named key, return the link from the list, 2450/* If ob has a field named key, return the link from the list,
2782 * otherwise return NULL. 2451 * otherwise return NULL.
2783 * 2452 *
… …
2785 * do the desired thing. 2454 * do the desired thing.
2786 */ 2455 */
2787key_value * 2456key_value *
2788get_ob_key_link (const object *ob, const char *key) 2457get_ob_key_link (const object *ob, const char *key)
2789{ 2458{
2790 key_value *
2791 link;
2792
2793 for (link = ob->key_values; link != NULL; link = link->next) 2459 for (key_value *link = ob->key_values; link; link = link->next)
2794 {
2795 if (link->key == key) 2460 if (link->key == key)
2796 {
2797 return link; 2461 return link;
2798 }
2799 }
2800 2462
2801 return NULL; 2463 return 0;
2802} 2464}
2803 2465
2804/* 2466/*
2805 * Returns the value of op has an extra_field for key, or NULL. 2467 * Returns the value of op has an extra_field for key, or NULL.
2806 * 2468 *
… …
2809 * The returned string is shared. 2471 * The returned string is shared.
2810 */ 2472 */
2811const char * 2473const char *
2812get_ob_key_value (const object *op, const char *const key) 2474get_ob_key_value (const object *op, const char *const key)
2813{ 2475{
2814 key_value * 2476 key_value *link;
2815 link; 2477 shstr_cmp canonical_key (key);
2816 const char *
2817 canonical_key;
2818 2478
2819 canonical_key = shstr::find (key);
2820
2821 if (canonical_key == NULL) 2479 if (!canonical_key)
2822 { 2480 {
2823 /* 1. There being a field named key on any object 2481 /* 1. There being a field named key on any object
2824 * implies there'd be a shared string to find. 2482 * implies there'd be a shared string to find.
2825 * 2. Since there isn't, no object has this field. 2483 * 2. Since there isn't, no object has this field.
2826 * 3. Therefore, *this* object doesn't have this field. 2484 * 3. Therefore, *this* object doesn't have this field.
2827 */ 2485 */
2828 return NULL; 2486 return 0;
2829 } 2487 }
2830 2488
2831 /* This is copied from get_ob_key_link() above - 2489 /* This is copied from get_ob_key_link() above -
2832 * only 4 lines, and saves the function call overhead. 2490 * only 4 lines, and saves the function call overhead.
2833 */ 2491 */
2834 for (link = op->key_values; link != NULL; link = link->next) 2492 for (link = op->key_values; link; link = link->next)
2835 {
2836 if (link->key == canonical_key) 2493 if (link->key == canonical_key)
2837 {
2838 return link->value; 2494 return link->value;
2839 } 2495
2840 }
2841 return NULL; 2496 return 0;
2842} 2497}
2843 2498
2844 2499
2845/* 2500/*
2846 * Updates the canonical_key in op to value. 2501 * Updates the canonical_key in op to value.
… …
2853 * Returns TRUE on success. 2508 * Returns TRUE on success.
2854 */ 2509 */
2855int 2510int
2856set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key) 2511set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2857{ 2512{
2858 key_value *
2859 field = NULL, *last = NULL; 2513 key_value *field = NULL, *last = NULL;
2860 2514
2861 for (field = op->key_values; field != NULL; field = field->next) 2515 for (field = op->key_values; field != NULL; field = field->next)
2862 { 2516 {
2863 if (field->key != canonical_key) 2517 if (field->key != canonical_key)
2864 { 2518 {
… …
2882 if (last) 2536 if (last)
2883 last->next = field->next; 2537 last->next = field->next;
2884 else 2538 else
2885 op->key_values = field->next; 2539 op->key_values = field->next;
2886 2540
2887 delete
2888 field; 2541 delete field;
2889 } 2542 }
2890 } 2543 }
2891 return TRUE; 2544 return TRUE;
2892 } 2545 }
2893 /* IF we get here, key doesn't exist */ 2546 /* IF we get here, key doesn't exist */
2894 2547
2895 /* No field, we'll have to add it. */ 2548 /* No field, we'll have to add it. */
2896 2549
2897 if (!add_key) 2550 if (!add_key)
2898 {
2899 return FALSE; 2551 return FALSE;
2900 } 2552
2901 /* There isn't any good reason to store a null 2553 /* There isn't any good reason to store a null
2902 * value in the key/value list. If the archetype has 2554 * value in the key/value list. If the archetype has
2903 * this key, then we should also have it, so shouldn't 2555 * this key, then we should also have it, so shouldn't
2904 * be here. If user wants to store empty strings, 2556 * be here. If user wants to store empty strings,
2905 * should pass in "" 2557 * should pass in ""
… …
2928 * Returns TRUE on success. 2580 * Returns TRUE on success.
2929 */ 2581 */
2930int 2582int
2931set_ob_key_value (object *op, const char *key, const char *value, int add_key) 2583set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2932{ 2584{
2933 shstr
2934 key_ (key); 2585 shstr key_ (key);
2935 2586
2936 return set_ob_key_value_s (op, key_, value, add_key); 2587 return set_ob_key_value_s (op, key_, value, add_key);
2937} 2588}
2589
2590object::depth_iterator::depth_iterator (object *container)
2591: iterator_base (container)
2592{
2593 while (item->inv)
2594 item = item->inv;
2595}
2596
2597void
2598object::depth_iterator::next ()
2599{
2600 if (item->below)
2601 {
2602 item = item->below;
2603
2604 while (item->inv)
2605 item = item->inv;
2606 }
2607 else
2608 item = item->env;
2609}
2610
2611// return a suitable string describing an objetc in enough detail to find it
2612const char *
2613object::debug_desc (char *info) const
2614{
2615 char info2[256 * 3];
2616 char *p = info;
2617
2618 p += snprintf (p, 256, "%d=\"%s%s%s\"",
2619 count,
2620 &name,
2621 title ? " " : "",
2622 title ? (const char *)title : "");
2623
2624 if (env)
2625 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2626
2627 if (map)
2628 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
2629
2630 return info;
2631}
2632
2633const char *
2634object::debug_desc () const
2635{
2636 static char info[256 * 3];
2637 return debug_desc (info);
2638}
2639

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