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Comparing deliantra/server/common/object.C (file contents):
Revision 1.32 by root, Mon Sep 11 23:53:30 2006 UTC vs.
Revision 1.194 by root, Tue Oct 16 00:30:24 2007 UTC

1
2/* 1/*
3 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
4 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 7 *
8 This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version. 11 * (at your option) any later version.
12 12 *
13 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details. 16 * GNU General Public License for more details.
17 17 *
18 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
21 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
22 The authors can be reached via e-mail at crossfire-devel@real-time.com
23*/ 22 */
24 23
25/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects. 24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26 sub/add_weight will transcend the environment updating the carrying 25 sub/add_weight will transcend the environment updating the carrying
27 variable. */ 26 variable. */
28#include <global.h> 27#include <global.h>
29#include <stdio.h> 28#include <stdio.h>
30#include <sys/types.h> 29#include <sys/types.h>
31#include <sys/uio.h> 30#include <sys/uio.h>
32#include <object.h> 31#include <object.h>
33#include <funcpoint.h> 32#include <funcpoint.h>
34#include <skills.h> 33#include <sproto.h>
35#include <loader.h> 34#include <loader.h>
36 35
36#include <bitset>
37
37int nrofallocobjects = 0; 38int nrofallocobjects = 0;
39static UUID uuid;
40const uint64 UUID_SKIP = 1<<19;
38 41
39object *objects; /* Pointer to the list of used objects */ 42objectvec objects;
40object *active_objects; /* List of active objects that need to be processed */ 43activevec actives;
41 44
42short 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, 45short 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,
43 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1 46 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}; 47};
45short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, 48short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
… …
51int freedir[SIZEOFFREE] = { 54int freedir[SIZEOFFREE] = {
52 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, 55 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 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8 56 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}; 57};
55 58
59static void
60write_uuid (void)
61{
62 char filename1[MAX_BUF], filename2[MAX_BUF];
63
64 sprintf (filename1, "%s/uuid", settings.localdir);
65 sprintf (filename2, "%s/uuid~", settings.localdir);
66
67 FILE *fp;
68
69 if (!(fp = fopen (filename2, "w")))
70 {
71 LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72 return;
73 }
74
75 fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76 fclose (fp);
77 rename (filename2, filename1);
78}
79
80static void
81read_uuid (void)
82{
83 char filename[MAX_BUF];
84
85 sprintf (filename, "%s/uuid", settings.localdir);
86
87 FILE *fp;
88
89 if (!(fp = fopen (filename, "r")))
90 {
91 if (errno == ENOENT)
92 {
93 LOG (llevInfo, "RESET uid to 1\n");
94 uuid.seq = 0;
95 write_uuid ();
96 return;
97 }
98
99 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100 _exit (1);
101 }
102
103 int version;
104 unsigned long long uid;
105 if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
106 {
107 LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
108 _exit (1);
109 }
110
111 uuid.seq = uid;
112 write_uuid ();
113 LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
114 fclose (fp);
115}
116
117UUID
118gen_uuid ()
119{
120 UUID uid;
121
122 uid.seq = ++uuid.seq;
123
124 if (!(uuid.seq & (UUID_SKIP - 1)))
125 write_uuid ();
126
127 return uid;
128}
129
130void
131init_uuid ()
132{
133 read_uuid ();
134}
135
56/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 136/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
57static int 137static int
58compare_ob_value_lists_one (const object *wants, const object *has) 138compare_ob_value_lists_one (const object *wants, const object *has)
59{ 139{
60 key_value *wants_field; 140 key_value *wants_field;
… …
63 * objects with lists are rare, and lists stay short. If not, use a 143 * objects with lists are rare, and lists stay short. If not, use a
64 * different structure or at least keep the lists sorted... 144 * different structure or at least keep the lists sorted...
65 */ 145 */
66 146
67 /* For each field in wants, */ 147 /* For each field in wants, */
68 for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next) 148 for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
69 { 149 {
70 key_value *has_field; 150 key_value *has_field;
71 151
72 /* Look for a field in has with the same key. */ 152 /* Look for a field in has with the same key. */
73 has_field = get_ob_key_link (has, wants_field->key); 153 has_field = get_ob_key_link (has, wants_field->key);
… …
107 * 187 *
108 * Note that this function appears a lot longer than the macro it 188 * Note that this function appears a lot longer than the macro it
109 * replaces - this is mostly for clarity - a decent compiler should hopefully 189 * replaces - this is mostly for clarity - a decent compiler should hopefully
110 * reduce this to the same efficiency. 190 * reduce this to the same efficiency.
111 * 191 *
112 * Check nrof variable *before* calling CAN_MERGE() 192 * Check nrof variable *before* calling can_merge()
113 * 193 *
114 * Improvements made with merge: Better checking on potion, and also 194 * Improvements made with merge: Better checking on potion, and also
115 * check weight 195 * check weight
116 */ 196 */
117
118bool object::can_merge (object *ob1, object *ob2) 197bool object::can_merge_slow (object *ob1, object *ob2)
119{ 198{
120 /* A couple quicksanity checks */ 199 /* A couple quicksanity checks */
121 if ((ob1 == ob2) || (ob1->type != ob2->type)) 200 if (ob1 == ob2
201 || ob1->type != ob2->type
202 || ob1->speed != ob2->speed
203 || ob1->value != ob2->value
204 || ob1->name != ob2->name)
122 return 0; 205 return 0;
123 206
124 if (ob1->speed != ob2->speed) 207 //TODO: this ain't working well, use nicer and correct overflow check
125 return 0;
126
127 /* Do not merge objects if nrof would overflow. We use 1UL<<31 since that 208 /* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
128 * value could not be stored in a sint32 (which unfortunately sometimes is 209 * value could not be stored in a sint32 (which unfortunately sometimes is
129 * used to store nrof). 210 * used to store nrof).
130 */ 211 */
131 if (ob1->nrof + ob2->nrof >= 1UL << 31) 212 if (ob1->nrof + ob2->nrof >= 1UL << 31)
… …
141 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 222 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
142 223
143 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 224 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
144 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 225 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
145 226
146 227 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
147 /* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something 228 || ob1->arch != ob2->arch
148 * being locked in inventory should prevent merging.
149 * 0x4 in flags3 is CLIENT_SENT
150 */
151 if ((ob1->arch != ob2->arch) ||
152 (ob1->flags[0] != ob2->flags[0]) ||
153 (ob1->flags[1] != ob2->flags[1]) ||
154 ((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
155 ((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
156 (ob1->name != ob2->name) || 229 || ob1->name != ob2->name
157 (ob1->title != ob2->title) || 230 || ob1->title != ob2->title
158 (ob1->msg != ob2->msg) || 231 || ob1->msg != ob2->msg
159 (ob1->weight != ob2->weight) || 232 || ob1->weight != ob2->weight
160 (memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) || 233 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
161 (memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) || 234 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
162 (ob1->attacktype != ob2->attacktype) || 235 || ob1->attacktype != ob2->attacktype
163 (ob1->magic != ob2->magic) || 236 || ob1->magic != ob2->magic
164 (ob1->slaying != ob2->slaying) || 237 || ob1->slaying != ob2->slaying
165 (ob1->skill != ob2->skill) || 238 || ob1->skill != ob2->skill
166 (ob1->value != ob2->value) || 239 || ob1->value != ob2->value
167 (ob1->animation_id != ob2->animation_id) || 240 || ob1->animation_id != ob2->animation_id
168 (ob1->client_type != ob2->client_type) || 241 || ob1->client_type != ob2->client_type
169 (ob1->materialname != ob2->materialname) || 242 || ob1->materialname != ob2->materialname
170 (ob1->lore != ob2->lore) || 243 || ob1->lore != ob2->lore
171 (ob1->subtype != ob2->subtype) || 244 || ob1->subtype != ob2->subtype
172 (ob1->move_type != ob2->move_type) || 245 || ob1->move_type != ob2->move_type
173 (ob1->move_block != ob2->move_block) || 246 || ob1->move_block != ob2->move_block
174 (ob1->move_allow != ob2->move_allow) || 247 || ob1->move_allow != ob2->move_allow
175 (ob1->move_on != ob2->move_on) || 248 || ob1->move_on != ob2->move_on
176 (ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty)) 249 || ob1->move_off != ob2->move_off
250 || ob1->move_slow != ob2->move_slow
251 || ob1->move_slow_penalty != ob2->move_slow_penalty)
177 return 0; 252 return 0;
178 253
179 /* This is really a spellbook check - really, we should 254 /* This is really a spellbook check - really, we should
180 * check all objects in the inventory. 255 * check all objects in the inventory.
181 */ 256 */
182 if (ob1->inv || ob2->inv) 257 if (ob1->inv || ob2->inv)
183 { 258 {
184 /* if one object has inventory but the other doesn't, not equiv */
185 if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
186 return 0;
187
188 /* Now check to see if the two inventory objects could merge */
189 if (!CAN_MERGE (ob1->inv, ob2->inv)) 259 if (!(ob1->inv && ob2->inv))
190 return 0; 260 return 0; /* inventories differ in length */
261
262 if (ob1->inv->below || ob2->inv->below)
263 return 0; /* more than one object in inv */
264
265 if (!object::can_merge (ob1->inv, ob2->inv))
266 return 0; /* inventory objexts differ */
191 267
192 /* inventory ok - still need to check rest of this object to see 268 /* inventory ok - still need to check rest of this object to see
193 * if it is valid. 269 * if it is valid.
194 */ 270 */
195 } 271 }
… …
203 279
204 /* Note sure why the following is the case - either the object has to 280 /* Note sure why the following is the case - either the object has to
205 * be animated or have a very low speed. Is this an attempted monster 281 * be animated or have a very low speed. Is this an attempted monster
206 * check? 282 * check?
207 */ 283 */
208 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED) 284 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
209 return 0; 285 return 0;
210 286
211 switch (ob1->type) 287 switch (ob1->type)
212 { 288 {
213 case SCROLL: 289 case SCROLL:
… …
224 return 0; 300 return 0;
225 else if (!compare_ob_value_lists (ob1, ob2)) 301 else if (!compare_ob_value_lists (ob1, ob2))
226 return 0; 302 return 0;
227 } 303 }
228 304
229 //TODO: generate an event or call into perl for additional checks
230 if (ob1->self || ob2->self) 305 if (ob1->self || ob2->self)
231 { 306 {
232 ob1->optimise (); 307 ob1->optimise ();
233 ob2->optimise (); 308 ob2->optimise ();
234 309
235 if (ob1->self || ob2->self) 310 if (ob1->self || ob2->self)
311 {
312 int k1 = ob1->self ? HvTOTALKEYS (SvRV (ob1->self)) : 0;
313 int k2 = ob2->self ? HvTOTALKEYS (SvRV (ob2->self)) : 0;
314
315 if (k1 != k2)
236 return 0; 316 return 0;
317 else if (k1 == 0)
318 return 1;
319 else if (!cfperl_can_merge (ob1, ob2))
320 return 0;
321 }
237 } 322 }
238 323
239 /* Everything passes, must be OK. */ 324 /* Everything passes, must be OK. */
240 return 1; 325 return 1;
241} 326}
… …
249sum_weight (object *op) 334sum_weight (object *op)
250{ 335{
251 long sum; 336 long sum;
252 object *inv; 337 object *inv;
253 338
254 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below) 339 for (sum = 0, inv = op->inv; inv; inv = inv->below)
255 { 340 {
256 if (inv->inv) 341 if (inv->inv)
257 sum_weight (inv); 342 sum_weight (inv);
343
258 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 344 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
259 } 345 }
346
260 if (op->type == CONTAINER && op->stats.Str) 347 if (op->type == CONTAINER && op->stats.Str)
261 sum = (sum * (100 - op->stats.Str)) / 100; 348 sum = (sum * (100 - op->stats.Str)) / 100;
349
262 if (op->carrying != sum) 350 if (op->carrying != sum)
263 op->carrying = sum; 351 op->carrying = sum;
352
264 return sum; 353 return sum;
265} 354}
266 355
267/** 356/**
268 * Return the outermost environment object for a given object. 357 * Return the outermost environment object for a given object.
… …
275 op = op->env; 364 op = op->env;
276 return op; 365 return op;
277} 366}
278 367
279/* 368/*
280 * Eneq(@csd.uu.se): Since we can have items buried in a character we need
281 * a better check. We basically keeping traversing up until we can't
282 * or find a player.
283 */
284
285object *
286is_player_inv (object *op)
287{
288 for (; op != NULL && op->type != PLAYER; op = op->env)
289 if (op->env == op)
290 op->env = NULL;
291 return op;
292}
293
294/*
295 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 369 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
296 * Some error messages. 370 * Some error messages.
297 * The result of the dump is stored in the static global errmsg array. 371 * The result of the dump is stored in the static global errmsg array.
298 */ 372 */
299 373char *
300void
301dump_object2 (object *op)
302{
303 errmsg[0] = 0;
304 return;
305 //TODO//D#d#
306#if 0
307 char *cp;
308
309/* object *tmp;*/
310
311 if (op->arch != NULL)
312 {
313 strcat (errmsg, "arch ");
314 strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
315 strcat (errmsg, "\n");
316 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
317 strcat (errmsg, cp);
318# if 0
319 /* Don't dump player diffs - they are too long, mostly meaningless, and
320 * will overflow the buffer.
321 * Changed so that we don't dump inventory either. This may
322 * also overflow the buffer.
323 */
324 if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
325 strcat (errmsg, cp);
326 for (tmp = op->inv; tmp; tmp = tmp->below)
327 dump_object2 (tmp);
328# endif
329 strcat (errmsg, "end\n");
330 }
331 else
332 {
333 strcat (errmsg, "Object ");
334 if (op->name == NULL)
335 strcat (errmsg, "(null)");
336 else
337 strcat (errmsg, op->name);
338 strcat (errmsg, "\n");
339# if 0
340 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
341 strcat (errmsg, cp);
342 for (tmp = op->inv; tmp; tmp = tmp->below)
343 dump_object2 (tmp);
344# endif
345 strcat (errmsg, "end\n");
346 }
347#endif
348}
349
350/*
351 * Dumps an object. Returns output in the static global errmsg array.
352 */
353
354void
355dump_object (object *op) 374dump_object (object *op)
356{ 375{
357 if (op == NULL) 376 if (!op)
358 { 377 return strdup ("[NULLOBJ]");
359 strcpy (errmsg, "[NULL pointer]");
360 return;
361 }
362 errmsg[0] = '\0';
363 dump_object2 (op);
364}
365 378
366void 379 object_freezer freezer;
367dump_all_objects (void) 380 op->write (freezer);
368{ 381 return freezer.as_string ();
369 object *op;
370
371 for (op = objects; op != NULL; op = op->next)
372 {
373 dump_object (op);
374 fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
375 }
376} 382}
377 383
378/* 384/*
379 * get_nearest_part(multi-object, object 2) returns the part of the 385 * get_nearest_part(multi-object, object 2) returns the part of the
380 * multi-object 1 which is closest to the second object. 386 * multi-object 1 which is closest to the second object.
381 * If it's not a multi-object, it is returned. 387 * If it's not a multi-object, it is returned.
382 */ 388 */
383
384object * 389object *
385get_nearest_part (object *op, const object *pl) 390get_nearest_part (object *op, const object *pl)
386{ 391{
387 object *tmp, *closest; 392 object *tmp, *closest;
388 int last_dist, i; 393 int last_dist, i;
… …
396} 401}
397 402
398/* 403/*
399 * Returns the object which has the count-variable equal to the argument. 404 * Returns the object which has the count-variable equal to the argument.
400 */ 405 */
401
402object * 406object *
403find_object (tag_t i) 407find_object (tag_t i)
404{ 408{
405 object *op; 409 for_all_objects (op)
406
407 for (op = objects; op != NULL; op = op->next)
408 if (op->count == i) 410 if (op->count == i)
409 break;
410 return op; 411 return op;
412
413 return 0;
411} 414}
412 415
413/* 416/*
414 * Returns the first object which has a name equal to the argument. 417 * Returns the first object which has a name equal to the argument.
415 * Used only by the patch command, but not all that useful. 418 * Used only by the patch command, but not all that useful.
416 * Enables features like "patch <name-of-other-player> food 999" 419 * Enables features like "patch <name-of-other-player> food 999"
417 */ 420 */
418
419object * 421object *
420find_object_name (const char *str) 422find_object_name (const char *str)
421{ 423{
422 const char *name = shstr::find (str); 424 shstr_cmp str_ (str);
423 object *op; 425 object *op;
424 426
425 for (op = objects; op != NULL; op = op->next) 427 for_all_objects (op)
426 if (&op->name == name) 428 if (op->name == str_)
427 break; 429 break;
428 430
429 return op; 431 return op;
430} 432}
431 433
… …
434{ 436{
435 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 437 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
436} 438}
437 439
438/* 440/*
439 * Returns the object which this object marks as being the owner.
440 * A id-scheme is used to avoid pointing to objects which have been
441 * freed and are now reused. If this is detected, the owner is
442 * set to NULL, and NULL is returned.
443 * Changed 2004-02-12 - if the player is setting at the play again
444 * prompt, he is removed, and we don't want to treat him as an owner of
445 * anything, so check removed flag. I don't expect that this should break
446 * anything - once an object is removed, it is basically dead anyways.
447 */
448object *
449object::get_owner ()
450{
451 if (!owner
452 || QUERY_FLAG (owner, FLAG_FREED)
453 || QUERY_FLAG (owner, FLAG_REMOVED))
454 owner = 0;
455
456 return owner;
457}
458
459/*
460 * Sets the owner and sets the skill and exp pointers to owner's current 441 * Sets the owner and sets the skill and exp pointers to owner's current
461 * skill and experience objects. 442 * skill and experience objects.
443 * ACTUALLY NO! investigate! TODO
462 */ 444 */
463void 445void
464object::set_owner (object *owner) 446object::set_owner (object *owner)
465{ 447{
448 // allow objects which own objects
466 if (!owner) 449 if (owner)
467 return;
468
469 /* next line added to allow objects which own objects */
470 /* Add a check for ownercounts in here, as I got into an endless loop
471 * with the fireball owning a poison cloud which then owned the
472 * fireball. I believe that was caused by one of the objects getting
473 * freed and then another object replacing it. Since the ownercounts
474 * didn't match, this check is valid and I believe that cause is valid.
475 */
476 while (owner->owner) 450 while (owner->owner)
477 owner = owner->owner; 451 owner = owner->owner;
478 452
479 this->owner = owner; 453 this->owner = owner;
454}
455
456int
457object::slottype () const
458{
459 if (type == SKILL)
460 {
461 if (IS_COMBAT_SKILL (subtype)) return slot_combat;
462 if (IS_RANGED_SKILL (subtype)) return slot_ranged;
463 }
464 else
465 {
466 if (slot [body_combat].info) return slot_combat;
467 if (slot [body_range ].info) return slot_ranged;
468 }
469
470 return slot_none;
471}
472
473bool
474object::change_weapon (object *ob)
475{
476 if (current_weapon == ob)
477 return true;
478
479 if (chosen_skill)
480 chosen_skill->flag [FLAG_APPLIED] = false;
481
482 current_weapon = ob;
483 chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
484
485 if (chosen_skill)
486 chosen_skill->flag [FLAG_APPLIED] = true;
487
488 update_stats ();
489
490 if (ob)
491 {
492 // now check wether any body locations became invalid, in which case
493 // we cannot apply the weapon at the moment.
494 for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
495 if (slot[i].used < 0)
496 {
497 current_weapon = chosen_skill = 0;
498 update_stats ();
499
500 new_draw_info_format (NDI_UNIQUE, 0, this,
501 "You try to balance all your items at once, "
502 "but the %s is just too much for your body. "
503 "[You need to unapply some items first.]", &ob->name);
504 return false;
505 }
506
507 //new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
508 }
509 else
510 ;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
511
512 if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
513 {
514 LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
515 &name, ob->debug_desc ());
516 return false;
517 }
518
519 return true;
480} 520}
481 521
482/* Zero the key_values on op, decrementing the shared-string 522/* Zero the key_values on op, decrementing the shared-string
483 * refcounts and freeing the links. 523 * refcounts and freeing the links.
484 */ 524 */
485static void 525static void
486free_key_values (object *op) 526free_key_values (object *op)
487{ 527{
488 for (key_value *i = op->key_values; i != 0;) 528 for (key_value *i = op->key_values; i; )
489 { 529 {
490 key_value *next = i->next; 530 key_value *next = i->next;
491 delete i; 531 delete i;
492 532
493 i = next; 533 i = next;
494 } 534 }
495 535
496 op->key_values = 0; 536 op->key_values = 0;
497} 537}
498 538
499void object::clear () 539object &
540object::operator =(const object &src)
500{ 541{
501 attachable_base::clear (); 542 bool is_freed = flag [FLAG_FREED];
543 bool is_removed = flag [FLAG_REMOVED];
502 544
503 free_key_values (this); 545 *(object_copy *)this = src;
504 546
505 owner = 0; 547 flag [FLAG_FREED] = is_freed;
506 name = 0; 548 flag [FLAG_REMOVED] = is_removed;
507 name_pl = 0;
508 title = 0;
509 race = 0;
510 slaying = 0;
511 skill = 0;
512 msg = 0;
513 lore = 0;
514 custom_name = 0;
515 materialname = 0;
516 contr = 0;
517 below = 0;
518 above = 0;
519 inv = 0;
520 container = 0;
521 env = 0;
522 more = 0;
523 head = 0;
524 map = 0;
525 active_next = 0;
526 active_prev = 0;
527
528 memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
529
530 SET_FLAG (this, FLAG_REMOVED);
531
532 /* What is not cleared is next, prev, and count */
533
534 expmul = 1.0;
535 face = blank_face;
536 attacked_by_count = -1;
537
538 if (settings.casting_time)
539 casting_time = -1;
540}
541
542void object::clone (object *destination)
543{
544 *(object_copy *)destination = *this;
545 *(object_pod *)destination = *this;
546
547 if (self || cb)
548 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
549}
550
551/*
552 * copy object first frees everything allocated by the second object,
553 * and then copies the contends of the first object into the second
554 * object, allocating what needs to be allocated. Basically, any
555 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
556 * if the first object is freed, the pointers in the new object
557 * will point at garbage.
558 */
559void
560copy_object (object *op2, object *op)
561{
562 bool is_freed = QUERY_FLAG (op, FLAG_FREED);
563 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
564
565 op2->clone (op);
566
567 if (is_freed)
568 SET_FLAG (op, FLAG_FREED);
569 if (is_removed)
570 SET_FLAG (op, FLAG_REMOVED);
571
572 if (op2->speed < 0)
573 op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
574 549
575 /* Copy over key_values, if any. */ 550 /* Copy over key_values, if any. */
576 if (op2->key_values) 551 if (src.key_values)
577 { 552 {
578 key_value *tail = 0; 553 key_value *tail = 0;
579 key_value *i;
580
581 op->key_values = 0; 554 key_values = 0;
582 555
583 for (i = op2->key_values; i; i = i->next) 556 for (key_value *i = src.key_values; i; i = i->next)
584 { 557 {
585 key_value *new_link = new key_value; 558 key_value *new_link = new key_value;
586 559
587 new_link->next = 0; 560 new_link->next = 0;
588 new_link->key = i->key; 561 new_link->key = i->key;
589 new_link->value = i->value; 562 new_link->value = i->value;
590 563
591 /* Try and be clever here, too. */ 564 /* Try and be clever here, too. */
592 if (!op->key_values) 565 if (!key_values)
593 { 566 {
594 op->key_values = new_link; 567 key_values = new_link;
595 tail = new_link; 568 tail = new_link;
596 } 569 }
597 else 570 else
598 { 571 {
599 tail->next = new_link; 572 tail->next = new_link;
600 tail = new_link; 573 tail = new_link;
601 } 574 }
602 } 575 }
603 } 576 }
577}
604 578
605 update_ob_speed (op); 579/*
580 * copy_to first frees everything allocated by the dst object,
581 * and then copies the contents of itself into the second
582 * object, allocating what needs to be allocated. Basically, any
583 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
584 * if the first object is freed, the pointers in the new object
585 * will point at garbage.
586 */
587void
588object::copy_to (object *dst)
589{
590 *dst = *this;
591
592 if (speed < 0)
593 dst->speed_left -= rndm ();
594
595 dst->set_speed (dst->speed);
596}
597
598void
599object::instantiate ()
600{
601 if (!uuid.seq) // HACK
602 uuid = gen_uuid ();
603
604 speed_left = -0.1f;
605 /* copy the body_info to the body_used - this is only really
606 * need for monsters, but doesn't hurt to do it for everything.
607 * by doing so, when a monster is created, it has good starting
608 * values for the body_used info, so when items are created
609 * for it, they can be properly equipped.
610 */
611 for (int i = NUM_BODY_LOCATIONS; i--; )
612 slot[i].used = slot[i].info;
613
614 attachable::instantiate ();
615}
616
617object *
618object::clone ()
619{
620 object *neu = create ();
621 copy_to (neu);
622 return neu;
606} 623}
607 624
608/* 625/*
609 * If an object with the IS_TURNABLE() flag needs to be turned due 626 * If an object with the IS_TURNABLE() flag needs to be turned due
610 * to the closest player being on the other side, this function can 627 * to the closest player being on the other side, this function can
611 * be called to update the face variable, _and_ how it looks on the map. 628 * be called to update the face variable, _and_ how it looks on the map.
612 */ 629 */
613
614void 630void
615update_turn_face (object *op) 631update_turn_face (object *op)
616{ 632{
617 if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL) 633 if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
618 return; 634 return;
635
619 SET_ANIMATION (op, op->direction); 636 SET_ANIMATION (op, op->direction);
620 update_object (op, UP_OBJ_FACE); 637 update_object (op, UP_OBJ_FACE);
621} 638}
622 639
623/* 640/*
624 * Updates the speed of an object. If the speed changes from 0 to another 641 * Updates the speed of an object. If the speed changes from 0 to another
625 * value, or vice versa, then add/remove the object from the active list. 642 * value, or vice versa, then add/remove the object from the active list.
626 * This function needs to be called whenever the speed of an object changes. 643 * This function needs to be called whenever the speed of an object changes.
627 */ 644 */
628void 645void
629update_ob_speed (object *op) 646object::set_speed (float speed)
630{ 647{
631 extern int arch_init; 648 if (flag [FLAG_FREED] && speed)
632
633 /* No reason putting the archetypes objects on the speed list,
634 * since they never really need to be updated.
635 */
636
637 if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
638 { 649 {
639 LOG (llevError, "Object %s is freed but has speed.\n", &op->name); 650 LOG (llevError, "Object %s is freed but has speed.\n", &name);
640#ifdef MANY_CORES
641 abort ();
642#else
643 op->speed = 0; 651 speed = 0;
644#endif
645 }
646
647 if (arch_init)
648 return;
649
650 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
651 { 652 }
652 /* If already on active list, don't do anything */
653 if (op->active_next || op->active_prev || op == active_objects)
654 return;
655 653
656 /* process_events() expects us to insert the object at the beginning 654 this->speed = speed;
657 * of the list. */
658 op->active_next = active_objects;
659 655
660 if (op->active_next != NULL) 656 if (has_active_speed ())
661 op->active_next->active_prev = op; 657 activate ();
662
663 active_objects = op;
664 }
665 else 658 else
666 { 659 deactivate ();
667 /* If not on the active list, nothing needs to be done */
668 if (!op->active_next && !op->active_prev && op != active_objects)
669 return;
670
671 if (op->active_prev == NULL)
672 {
673 active_objects = op->active_next;
674
675 if (op->active_next != NULL)
676 op->active_next->active_prev = NULL;
677 }
678 else
679 {
680 op->active_prev->active_next = op->active_next;
681
682 if (op->active_next)
683 op->active_next->active_prev = op->active_prev;
684 }
685
686 op->active_next = NULL;
687 op->active_prev = NULL;
688 }
689} 660}
690 661
691/* This function removes object 'op' from the list of active
692 * objects.
693 * This should only be used for style maps or other such
694 * reference maps where you don't want an object that isn't
695 * in play chewing up cpu time getting processed.
696 * The reverse of this is to call update_ob_speed, which
697 * will do the right thing based on the speed of the object.
698 */
699void
700remove_from_active_list (object *op)
701{
702 /* If not on the active list, nothing needs to be done */
703 if (!op->active_next && !op->active_prev && op != active_objects)
704 return;
705
706 if (op->active_prev == NULL)
707 {
708 active_objects = op->active_next;
709 if (op->active_next != NULL)
710 op->active_next->active_prev = NULL;
711 }
712 else
713 {
714 op->active_prev->active_next = op->active_next;
715 if (op->active_next)
716 op->active_next->active_prev = op->active_prev;
717 }
718 op->active_next = NULL;
719 op->active_prev = NULL;
720}
721
722/* 662/*
723 * update_object() updates the array which represents the map. 663 * update_object() updates the the map.
724 * It takes into account invisible objects (and represent squares covered 664 * It takes into account invisible objects (and represent squares covered
725 * by invisible objects by whatever is below them (unless it's another 665 * by invisible objects by whatever is below them (unless it's another
726 * invisible object, etc...) 666 * invisible object, etc...)
727 * If the object being updated is beneath a player, the look-window 667 * If the object being updated is beneath a player, the look-window
728 * of that player is updated (this might be a suboptimal way of 668 * of that player is updated (this might be a suboptimal way of
729 * updating that window, though, since update_object() is called _often_) 669 * updating that window, though, since update_object() is called _often_)
730 * 670 *
731 * action is a hint of what the caller believes need to be done. 671 * action is a hint of what the caller believes need to be done.
732 * For example, if the only thing that has changed is the face (due to
733 * an animation), we don't need to call update_position until that actually
734 * comes into view of a player. OTOH, many other things, like addition/removal
735 * of walls or living creatures may need us to update the flags now.
736 * current action are: 672 * current action are:
737 * UP_OBJ_INSERT: op was inserted 673 * UP_OBJ_INSERT: op was inserted
738 * UP_OBJ_REMOVE: op was removed 674 * UP_OBJ_REMOVE: op was removed
739 * UP_OBJ_CHANGE: object has somehow changed. In this case, we always update 675 * UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
740 * as that is easier than trying to look at what may have changed. 676 * as that is easier than trying to look at what may have changed.
741 * UP_OBJ_FACE: only the objects face has changed. 677 * UP_OBJ_FACE: only the objects face has changed.
742 */ 678 */
743
744void 679void
745update_object (object *op, int action) 680update_object (object *op, int action)
746{ 681{
747 int update_now = 0, flags;
748 MoveType move_on, move_off, move_block, move_slow;
749
750 if (op == NULL) 682 if (op == NULL)
751 { 683 {
752 /* this should never happen */ 684 /* this should never happen */
753 LOG (llevDebug, "update_object() called for NULL object.\n"); 685 LOG (llevDebug, "update_object() called for NULL object.\n");
754 return; 686 return;
755 } 687 }
756 688
757 if (op->env != NULL) 689 if (op->env)
758 { 690 {
759 /* Animation is currently handled by client, so nothing 691 /* Animation is currently handled by client, so nothing
760 * to do in this case. 692 * to do in this case.
761 */ 693 */
762 return; 694 return;
… …
767 */ 699 */
768 if (!op->map || op->map->in_memory == MAP_SAVING) 700 if (!op->map || op->map->in_memory == MAP_SAVING)
769 return; 701 return;
770 702
771 /* make sure the object is within map boundaries */ 703 /* make sure the object is within map boundaries */
772 if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map)) 704 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
773 { 705 {
774 LOG (llevError, "update_object() called for object out of map!\n"); 706 LOG (llevError, "update_object() called for object out of map!\n");
775#ifdef MANY_CORES 707#ifdef MANY_CORES
776 abort (); 708 abort ();
777#endif 709#endif
778 return; 710 return;
779 } 711 }
780 712
781 flags = GET_MAP_FLAGS (op->map, op->x, op->y); 713 mapspace &m = op->ms ();
782 SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
783 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
784 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
785 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
786 move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
787 714
715 if (!(m.flags_ & P_UPTODATE))
716 /* nop */;
788 if (action == UP_OBJ_INSERT) 717 else if (action == UP_OBJ_INSERT)
789 { 718 {
719 // this is likely overkill, TODO: revisit (schmorp)
790 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW)) 720 if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
791 update_now = 1;
792
793 if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC)) 721 || (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
794 update_now = 1; 722 || (op->type == PLAYER && !(m.flags_ & P_PLAYER))
795 723 || (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
724 || (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
796 if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC)) 725 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
797 update_now = 1;
798
799 if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
800 update_now = 1;
801
802 if (op->type == SAFE_GROUND && !(flags & P_SAFE))
803 update_now = 1;
804
805 if ((move_on | op->move_on) != move_on) 726 || (m.move_on | op->move_on ) != m.move_on
806 update_now = 1;
807
808 if ((move_off | op->move_off) != move_off) 727 || (m.move_off | op->move_off ) != m.move_off
809 update_now = 1; 728 || (m.move_slow | op->move_slow) != m.move_slow
810
811 /* This isn't perfect, but I don't expect a lot of objects to 729 /* This isn't perfect, but I don't expect a lot of objects to
812 * to have move_allow right now. 730 * to have move_allow right now.
813 */ 731 */
814 if (((move_block | op->move_block) & ~op->move_allow) != move_block) 732 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
815 update_now = 1; 733 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
816 734 m.flags_ = 0;
817 if ((move_slow | op->move_slow) != move_slow)
818 update_now = 1;
819 } 735 }
820 /* if the object is being removed, we can't make intelligent 736 /* if the object is being removed, we can't make intelligent
821 * decisions, because remove_ob can't really pass the object 737 * decisions, because remove_ob can't really pass the object
822 * that is being removed. 738 * that is being removed.
823 */ 739 */
824 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 740 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
825 update_now = 1; 741 m.flags_ = 0;
826 else if (action == UP_OBJ_FACE) 742 else if (action == UP_OBJ_FACE)
827 /* Nothing to do for that case */ ; 743 /* Nothing to do for that case */ ;
828 else 744 else
829 LOG (llevError, "update_object called with invalid action: %d\n", action); 745 LOG (llevError, "update_object called with invalid action: %d\n", action);
830 746
831 if (update_now)
832 {
833 SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
834 update_position (op->map, op->x, op->y);
835 }
836
837 if (op->more != NULL) 747 if (op->more)
838 update_object (op->more, action); 748 update_object (op->more, action);
839}
840
841static unordered_vector<object *> mortals;
842static std::vector<object *> freed;
843
844void object::free_mortals ()
845{
846 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
847 if ((*i)->refcnt)
848 ++i; // further delay freeing
849 else
850 {
851 freed.push_back (*i);//D
852 //delete *i;
853 mortals.erase (i);
854 }
855
856 if (mortals.size())//D
857 LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
858} 749}
859 750
860object::object () 751object::object ()
861{ 752{
862 SET_FLAG (this, FLAG_REMOVED); 753 SET_FLAG (this, FLAG_REMOVED);
863 754
864 expmul = 1.0; 755 expmul = 1.0;
865 face = blank_face; 756 face = blank_face;
866 attacked_by_count = -1;
867} 757}
868 758
869object::~object () 759object::~object ()
870{ 760{
761 unlink ();
762
871 free_key_values (this); 763 free_key_values (this);
872} 764}
873 765
766static int object_count;
767
874void object::link () 768void object::link ()
875{ 769{
770 assert (!index);//D
771 uuid = gen_uuid ();
876 count = ++ob_count; 772 count = ++object_count;
877 773
878 prev = 0; 774 refcnt_inc ();
879 next = objects; 775 objects.insert (this);
880
881 if (objects)
882 objects->prev = this;
883
884 objects = this;
885} 776}
886 777
887void object::unlink () 778void object::unlink ()
888{ 779{
889 count = 0;
890
891 /* Remove this object from the list of used objects */
892 if (prev)
893 {
894 prev->next = next;
895 prev = 0;
896 }
897
898 if (next) 780 if (!index)
899 { 781 return;
900 next->prev = prev; 782
901 next = 0; 783 objects.erase (this);
784 refcnt_dec ();
785}
786
787void
788object::activate ()
789{
790 /* If already on active list, don't do anything */
791 if (active)
792 return;
793
794 if (has_active_speed ())
795 actives.insert (this);
796}
797
798void
799object::activate_recursive ()
800{
801 activate ();
802
803 for (object *op = inv; op; op = op->below)
804 op->activate_recursive ();
805}
806
807/* This function removes object 'op' from the list of active
808 * objects.
809 * This should only be used for style maps or other such
810 * reference maps where you don't want an object that isn't
811 * in play chewing up cpu time getting processed.
812 * The reverse of this is to call update_ob_speed, which
813 * will do the right thing based on the speed of the object.
814 */
815void
816object::deactivate ()
817{
818 /* If not on the active list, nothing needs to be done */
819 if (!active)
820 return;
821
822 actives.erase (this);
823}
824
825void
826object::deactivate_recursive ()
827{
828 for (object *op = inv; op; op = op->below)
829 op->deactivate_recursive ();
830
831 deactivate ();
832}
833
834void
835object::set_flag_inv (int flag, int value)
836{
837 for (object *op = inv; op; op = op->below)
902 } 838 {
839 op->flag [flag] = value;
840 op->set_flag_inv (flag, value);
841 }
842}
903 843
904 if (this == objects) 844/*
905 objects = next; 845 * Remove and free all objects in the inventory of the given object.
846 * object.c ?
847 */
848void
849object::destroy_inv (bool drop_to_ground)
850{
851 // need to check first, because the checks below might segfault
852 // as we might be on an invalid mapspace and crossfire code
853 // is too buggy to ensure that the inventory is empty.
854 // corollary: if you create arrows etc. with stuff in tis inventory,
855 // cf will crash below with off-map x and y
856 if (!inv)
857 return;
858
859 /* Only if the space blocks everything do we not process -
860 * if some form of movement is allowed, let objects
861 * drop on that space.
862 */
863 if (!drop_to_ground
864 || !map
865 || map->in_memory != MAP_IN_MEMORY
866 || map->nodrop
867 || ms ().move_block == MOVE_ALL)
868 {
869 while (inv)
870 {
871 inv->destroy_inv (drop_to_ground);
872 inv->destroy ();
873 }
874 }
875 else
876 { /* Put objects in inventory onto this space */
877 while (inv)
878 {
879 object *op = inv;
880
881 if (op->flag [FLAG_STARTEQUIP]
882 || op->flag [FLAG_NO_DROP]
883 || op->type == RUNE
884 || op->type == TRAP
885 || op->flag [FLAG_IS_A_TEMPLATE]
886 || op->flag [FLAG_DESTROY_ON_DEATH])
887 op->destroy ();
888 else
889 map->insert (op, x, y);
890 }
891 }
906} 892}
907 893
908object *object::create () 894object *object::create ()
909{ 895{
910 object *op;
911
912 if (freed.empty ())
913 op = new object; 896 object *op = new object;
914 else
915 {
916 // highly annoying, but the only way to get it stable right now
917 op = freed.back ();
918 freed.pop_back ();
919 op->~object ();
920 new ((void *) op) object;
921 }
922
923 op->link (); 897 op->link ();
924 return op; 898 return op;
925} 899}
926 900
927/* 901void
928 * free_object() frees everything allocated by an object, removes 902object::do_destroy ()
929 * it from the list of used objects, and puts it on the list of
930 * free objects. The IS_FREED() flag is set in the object.
931 * The object must have been removed by remove_ob() first for
932 * this function to succeed.
933 *
934 * If free_inventory is set, free inventory as well. Else drop items in
935 * inventory to the ground.
936 */
937void object::free (bool free_inventory)
938{ 903{
939 if (QUERY_FLAG (this, FLAG_FREED)) 904 attachable::do_destroy ();
905
906 if (flag [FLAG_IS_LINKED])
907 remove_button_link (this);
908
909 if (flag [FLAG_FRIENDLY])
910 remove_friendly_object (this);
911
912 if (!flag [FLAG_REMOVED])
913 remove ();
914
915 destroy_inv (true);
916
917 deactivate ();
918 unlink ();
919
920 flag [FLAG_FREED] = 1;
921
922 // hack to ensure that freed objects still have a valid map
923 {
924 static maptile *freed_map; // freed objects are moved here to avoid crashes
925
926 if (!freed_map)
927 {
928 freed_map = new maptile;
929
930 freed_map->path = "<freed objects map>";
931 freed_map->name = "/internal/freed_objects_map";
932 freed_map->width = 3;
933 freed_map->height = 3;
934
935 freed_map->alloc ();
936 freed_map->in_memory = MAP_IN_MEMORY;
937 }
938
939 map = freed_map;
940 x = 1;
941 y = 1;
942 }
943
944 if (more)
945 {
946 more->destroy ();
947 more = 0;
948 }
949
950 head = 0;
951
952 // clear those pointers that likely might cause circular references
953 owner = 0;
954 enemy = 0;
955 attacked_by = 0;
956 current_weapon = 0;
957}
958
959void
960object::destroy (bool destroy_inventory)
961{
962 if (destroyed ())
940 return; 963 return;
941 964
942 if (QUERY_FLAG (this, FLAG_FRIENDLY)) 965 if (destroy_inventory)
943 remove_friendly_object (this); 966 destroy_inv (false);
944 967
945 if (!QUERY_FLAG (this, FLAG_REMOVED)) 968 if (is_head ())
946 remove_ob (this); 969 if (sound_destroy)
970 play_sound (sound_destroy);
971 else if (flag [FLAG_MONSTER])
972 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
947 973
948 SET_FLAG (this, FLAG_FREED); 974 attachable::destroy ();
949
950 if (more)
951 {
952 more->free (free_inventory);
953 more = 0;
954 }
955
956 if (inv)
957 {
958 /* Only if the space blocks everything do we not process -
959 * if some form of movement is allowed, let objects
960 * drop on that space.
961 */
962 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
963 {
964 object *op = inv;
965
966 while (op)
967 {
968 object *tmp = op->below;
969 op->free (free_inventory);
970 op = tmp;
971 }
972 }
973 else
974 { /* Put objects in inventory onto this space */
975 object *op = inv;
976
977 while (op)
978 {
979 object *tmp = op->below;
980
981 remove_ob (op);
982
983 if (QUERY_FLAG (op, FLAG_STARTEQUIP)
984 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
985 free_object (op);
986 else
987 {
988 op->x = x;
989 op->y = y;
990 insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
991 }
992
993 op = tmp;
994 }
995 }
996 }
997
998 owner = 0;
999
1000 /* Remove object from the active list */
1001 speed = 0;
1002 update_ob_speed (this);
1003
1004 unlink ();
1005
1006 mortals.push_back (this);
1007} 975}
1008 976
1009/* 977/*
1010 * sub_weight() recursively (outwards) subtracts a number from the 978 * sub_weight() recursively (outwards) subtracts a number from the
1011 * weight of an object (and what is carried by it's environment(s)). 979 * weight of an object (and what is carried by it's environment(s)).
1012 */ 980 */
1013
1014void 981void
1015sub_weight (object *op, signed long weight) 982sub_weight (object *op, signed long weight)
1016{ 983{
1017 while (op != NULL) 984 while (op != NULL)
1018 { 985 {
1019 if (op->type == CONTAINER) 986 if (op->type == CONTAINER)
1020 {
1021 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 987 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1022 } 988
1023 op->carrying -= weight; 989 op->carrying -= weight;
1024 op = op->env; 990 op = op->env;
1025 } 991 }
1026} 992}
1027 993
1028/* remove_ob(op): 994/* op->remove ():
1029 * This function removes the object op from the linked list of objects 995 * This function removes the object op from the linked list of objects
1030 * which it is currently tied to. When this function is done, the 996 * which it is currently tied to. When this function is done, the
1031 * object will have no environment. If the object previously had an 997 * object will have no environment. If the object previously had an
1032 * environment, the x and y coordinates will be updated to 998 * environment, the x and y coordinates will be updated to
1033 * the previous environment. 999 * the previous environment.
1034 * Beware: This function is called from the editor as well!
1035 */ 1000 */
1036
1037void 1001void
1038remove_ob (object *op) 1002object::do_remove ()
1039{ 1003{
1004 object *tmp, *last = 0;
1040 object * 1005 object *otmp;
1041 tmp, *
1042 last = NULL;
1043 object *
1044 otmp;
1045 1006
1046 tag_t
1047 tag;
1048 int
1049 check_walk_off;
1050 mapstruct *
1051 m;
1052
1053 sint16
1054 x,
1055 y;
1056
1057 if (QUERY_FLAG (op, FLAG_REMOVED)) 1007 if (QUERY_FLAG (this, FLAG_REMOVED))
1058 return; 1008 return;
1059 1009
1060 SET_FLAG (op, FLAG_REMOVED); 1010 SET_FLAG (this, FLAG_REMOVED);
1011 INVOKE_OBJECT (REMOVE, this);
1061 1012
1062 if (op->more != NULL) 1013 if (more)
1063 remove_ob (op->more); 1014 more->remove ();
1064 1015
1065 /* 1016 /*
1066 * In this case, the object to be removed is in someones 1017 * In this case, the object to be removed is in someones
1067 * inventory. 1018 * inventory.
1068 */ 1019 */
1069 if (op->env != NULL) 1020 if (env)
1070 { 1021 {
1071 if (op->nrof) 1022 if (nrof)
1072 sub_weight (op->env, op->weight * op->nrof); 1023 sub_weight (env, weight * nrof);
1073 else 1024 else
1074 sub_weight (op->env, op->weight + op->carrying); 1025 sub_weight (env, weight + carrying);
1075 1026
1076 /* NO_FIX_PLAYER is set when a great many changes are being 1027 /* NO_FIX_PLAYER is set when a great many changes are being
1077 * made to players inventory. If set, avoiding the call 1028 * made to players inventory. If set, avoiding the call
1078 * to save cpu time. 1029 * to save cpu time.
1079 */ 1030 */
1080 if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1031 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1081 fix_player (otmp); 1032 otmp->update_stats ();
1082 1033
1083 if (op->above != NULL) 1034 if (above)
1084 op->above->below = op->below; 1035 above->below = below;
1085 else 1036 else
1086 op->env->inv = op->below; 1037 env->inv = below;
1087 1038
1088 if (op->below != NULL) 1039 if (below)
1089 op->below->above = op->above; 1040 below->above = above;
1090 1041
1091 /* we set up values so that it could be inserted into 1042 /* we set up values so that it could be inserted into
1092 * the map, but we don't actually do that - it is up 1043 * the map, but we don't actually do that - it is up
1093 * to the caller to decide what we want to do. 1044 * to the caller to decide what we want to do.
1094 */ 1045 */
1095 op->x = op->env->x, op->y = op->env->y; 1046 x = env->x, y = env->y;
1096 op->map = op->env->map; 1047 map = env->map;
1097 op->above = NULL, op->below = NULL; 1048 above = 0, below = 0;
1098 op->env = NULL; 1049 env = 0;
1099 } 1050 }
1100 else if (op->map) 1051 else if (map)
1101 { 1052 {
1102 x = op->x; 1053 if (type == PLAYER)
1103 y = op->y;
1104 m = get_map_from_coord (op->map, &x, &y);
1105
1106 if (!m)
1107 {
1108 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1109 op->map->path, op->x, op->y);
1110 /* in old days, we used to set x and y to 0 and continue.
1111 * it seems if we get into this case, something is probablye
1112 * screwed up and should be fixed.
1113 */
1114 abort ();
1115 } 1054 {
1055 // leaving a spot always closes any open container on the ground
1056 if (container && !container->env)
1057 // this causes spurious floorbox updates, but it ensures
1058 // that the CLOSE event is being sent.
1059 close_container ();
1116 1060
1117 if (op->map != m) 1061 --map->players;
1118 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n", 1062 map->touch ();
1119 op->map->path, m->path, op->x, op->y, x, y);
1120
1121 /* Re did the following section of code - it looks like it had
1122 * lots of logic for things we no longer care about
1123 */ 1063 }
1064
1065 map->dirty = true;
1066 mapspace &ms = this->ms ();
1124 1067
1125 /* link the object above us */ 1068 /* link the object above us */
1126 if (op->above) 1069 if (above)
1127 op->above->below = op->below; 1070 above->below = below;
1128 else 1071 else
1129 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */ 1072 ms.top = below; /* we were top, set new top */
1130 1073
1131 /* Relink the object below us, if there is one */ 1074 /* Relink the object below us, if there is one */
1132 if (op->below) 1075 if (below)
1133 op->below->above = op->above; 1076 below->above = above;
1134 else 1077 else
1135 { 1078 {
1136 /* Nothing below, which means we need to relink map object for this space 1079 /* Nothing below, which means we need to relink map object for this space
1137 * use translated coordinates in case some oddness with map tiling is 1080 * use translated coordinates in case some oddness with map tiling is
1138 * evident 1081 * evident
1139 */ 1082 */
1140 if (GET_MAP_OB (m, x, y) != op) 1083 if (GET_MAP_OB (map, x, y) != this)
1141 {
1142 dump_object (op);
1143 LOG (llevError,
1144 "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg); 1084 LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1145 dump_object (GET_MAP_OB (m, x, y)); 1085
1146 LOG (llevError, "%s\n", errmsg); 1086 ms.bot = above; /* goes on above it. */
1147 } 1087 }
1148 1088
1149 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1150 }
1151
1152 op->above = 0; 1089 above = 0;
1153 op->below = 0; 1090 below = 0;
1154 1091
1155 if (op->map->in_memory == MAP_SAVING) 1092 if (map->in_memory == MAP_SAVING)
1156 return; 1093 return;
1157 1094
1158 tag = op->count; 1095 int check_walk_off = !flag [FLAG_NO_APPLY];
1159 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1160 1096
1161 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1097 if (object *pl = ms.player ())
1098 {
1099 if (pl->container == this)
1100 /* If a container that the player is currently using somehow gets
1101 * removed (most likely destroyed), update the player view
1102 * appropriately.
1103 */
1104 pl->close_container ();
1105
1106 pl->contr->ns->floorbox_update ();
1107 }
1108
1109 for (tmp = ms.bot; tmp; tmp = tmp->above)
1162 { 1110 {
1163 /* No point updating the players look faces if he is the object 1111 /* No point updating the players look faces if he is the object
1164 * being removed. 1112 * being removed.
1165 */ 1113 */
1166 1114
1167 if (tmp->type == PLAYER && tmp != op) 1115 /* See if object moving off should effect something */
1116 if (check_walk_off
1117 && ((move_type & tmp->move_off)
1118 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1168 { 1119 {
1169 /* If a container that the player is currently using somehow gets 1120 move_apply (tmp, this, 0);
1170 * removed (most likely destroyed), update the player view
1171 * appropriately.
1172 */
1173 if (tmp->container == op)
1174 {
1175 CLEAR_FLAG (op, FLAG_APPLIED);
1176 tmp->container = NULL;
1177 }
1178 1121
1179 tmp->contr->socket.update_look = 1; 1122 if (destroyed ())
1123 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1180 } 1124 }
1181 1125
1182 /* See if player moving off should effect something */
1183 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1184 {
1185 move_apply (tmp, op, NULL);
1186
1187 if (was_destroyed (op, tag))
1188 {
1189 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1190 }
1191 }
1192
1193 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1194
1195 if (tmp->above == tmp)
1196 tmp->above = NULL;
1197
1198 last = tmp; 1126 last = tmp;
1199 } 1127 }
1200 1128
1201 /* last == NULL of there are no objects on this space */ 1129 /* last == NULL if there are no objects on this space */
1130 //TODO: this makes little sense, why only update the topmost object?
1202 if (last == NULL) 1131 if (!last)
1203 { 1132 map->at (x, y).flags_ = 0;
1204 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1205 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1206 * those out anyways, and if there are any flags set right now, they won't
1207 * be correct anyways.
1208 */
1209 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1210 update_position (op->map, op->x, op->y);
1211 }
1212 else 1133 else
1213 update_object (last, UP_OBJ_REMOVE); 1134 update_object (last, UP_OBJ_REMOVE);
1214 1135
1215 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0)) 1136 if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1216 update_all_los (op->map, op->x, op->y); 1137 update_all_los (map, x, y);
1217 } 1138 }
1218} 1139}
1219 1140
1220/* 1141/*
1221 * merge_ob(op,top): 1142 * merge_ob(op,top):
… …
1223 * This function goes through all objects below and including top, and 1144 * This function goes through all objects below and including top, and
1224 * merges op to the first matching object. 1145 * merges op to the first matching object.
1225 * If top is NULL, it is calculated. 1146 * If top is NULL, it is calculated.
1226 * Returns pointer to object if it succeded in the merge, otherwise NULL 1147 * Returns pointer to object if it succeded in the merge, otherwise NULL
1227 */ 1148 */
1228
1229object * 1149object *
1230merge_ob (object *op, object *top) 1150merge_ob (object *op, object *top)
1231{ 1151{
1232 if (!op->nrof) 1152 if (!op->nrof)
1233 return 0; 1153 return 0;
1234 1154
1235 if (top == NULL) 1155 if (!top)
1236 for (top = op; top != NULL && top->above != NULL; top = top->above); 1156 for (top = op; top && top->above; top = top->above)
1157 ;
1237 1158
1238 for (; top != NULL; top = top->below) 1159 for (; top; top = top->below)
1239 { 1160 {
1240 if (top == op) 1161 if (top == op)
1241 continue; 1162 continue;
1242 if (CAN_MERGE (op, top)) 1163
1164 if (object::can_merge (op, top))
1243 { 1165 {
1244 top->nrof += op->nrof; 1166 top->nrof += op->nrof;
1245 1167
1246/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/ 1168/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1247 op->weight = 0; /* Don't want any adjustements now */ 1169 op->weight = 0; /* Don't want any adjustements now */
1248 remove_ob (op); 1170 op->destroy ();
1249 free_object (op);
1250 return top; 1171 return top;
1251 } 1172 }
1252 } 1173 }
1253 1174
1254 return NULL; 1175 return 0;
1255} 1176}
1256 1177
1178void
1179object::expand_tail ()
1180{
1181 if (more)
1182 return;
1183
1184 object *prev = this;
1185
1186 for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1187 {
1188 object *op = arch_to_object (at);
1189
1190 op->name = name;
1191 op->name_pl = name_pl;
1192 op->title = title;
1193
1194 op->head = this;
1195 prev->more = op;
1196
1197 prev = op;
1198 }
1199}
1200
1257/* 1201/*
1258 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1202 * same as insert_ob_in_map except it handles separate coordinates and does a clean
1259 * job preparing multi-part monsters 1203 * job preparing multi-part monsters.
1260 */ 1204 */
1261object * 1205object *
1262insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y) 1206insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1263{ 1207{
1264 object *tmp;
1265
1266 if (op->head)
1267 op = op->head;
1268
1269 for (tmp = op; tmp; tmp = tmp->more) 1208 for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1270 { 1209 {
1271 tmp->x = x + tmp->arch->clone.x; 1210 tmp->x = x + tmp->arch->x;
1272 tmp->y = y + tmp->arch->clone.y; 1211 tmp->y = y + tmp->arch->y;
1273 } 1212 }
1274 1213
1275 return insert_ob_in_map (op, m, originator, flag); 1214 return insert_ob_in_map (op, m, originator, flag);
1276} 1215}
1277 1216
… …
1293 * Return value: 1232 * Return value:
1294 * new object if 'op' was merged with other object 1233 * new object if 'op' was merged with other object
1295 * NULL if 'op' was destroyed 1234 * NULL if 'op' was destroyed
1296 * just 'op' otherwise 1235 * just 'op' otherwise
1297 */ 1236 */
1298
1299object * 1237object *
1300insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1238insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1301{ 1239{
1240 assert (!op->flag [FLAG_FREED]);
1241
1302 object *tmp, *top, *floor = NULL; 1242 object *top, *floor = NULL;
1303 sint16 x, y;
1304 1243
1305 if (QUERY_FLAG (op, FLAG_FREED)) 1244 op->remove ();
1306 {
1307 LOG (llevError, "Trying to insert freed object!\n");
1308 return NULL;
1309 }
1310
1311 if (m == NULL)
1312 {
1313 dump_object (op);
1314 LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);
1315 return op;
1316 }
1317
1318 if (out_of_map (m, op->x, op->y))
1319 {
1320 dump_object (op);
1321 LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);
1322#ifdef MANY_CORES
1323 /* Better to catch this here, as otherwise the next use of this object
1324 * is likely to cause a crash. Better to find out where it is getting
1325 * improperly inserted.
1326 */
1327 abort ();
1328#endif
1329 return op;
1330 }
1331
1332 if (!QUERY_FLAG (op, FLAG_REMOVED))
1333 {
1334 dump_object (op);
1335 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1336 return op;
1337 }
1338
1339 if (op->more != NULL)
1340 {
1341 /* The part may be on a different map. */
1342
1343 object *more = op->more;
1344
1345 /* We really need the caller to normalize coordinates - if
1346 * we set the map, that doesn't work if the location is within
1347 * a map and this is straddling an edge. So only if coordinate
1348 * is clear wrong do we normalize it.
1349 */
1350 if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1351 more->map = get_map_from_coord (m, &more->x, &more->y);
1352 else if (!more->map)
1353 {
1354 /* For backwards compatibility - when not dealing with tiled maps,
1355 * more->map should always point to the parent.
1356 */
1357 more->map = m;
1358 }
1359
1360 if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1361 {
1362 if (!op->head)
1363 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1364
1365 return NULL;
1366 }
1367 }
1368
1369 CLEAR_FLAG (op, FLAG_REMOVED);
1370 1245
1371 /* Ideally, the caller figures this out. However, it complicates a lot 1246 /* Ideally, the caller figures this out. However, it complicates a lot
1372 * of areas of callers (eg, anything that uses find_free_spot would now 1247 * of areas of callers (eg, anything that uses find_free_spot would now
1373 * need extra work 1248 * need extra work
1374 */ 1249 */
1375 op->map = get_map_from_coord (m, &op->x, &op->y); 1250 if (!xy_normalise (m, op->x, op->y))
1376 x = op->x; 1251 {
1377 y = op->y; 1252 op->destroy ();
1253 return 0;
1254 }
1255
1256 if (object *more = op->more)
1257 if (!insert_ob_in_map (more, m, originator, flag))
1258 return 0;
1259
1260 CLEAR_FLAG (op, FLAG_REMOVED);
1261
1262 op->map = m;
1263 mapspace &ms = op->ms ();
1378 1264
1379 /* this has to be done after we translate the coordinates. 1265 /* this has to be done after we translate the coordinates.
1380 */ 1266 */
1381 if (op->nrof && !(flag & INS_NO_MERGE)) 1267 if (op->nrof && !(flag & INS_NO_MERGE))
1382 for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above) 1268 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1383 if (CAN_MERGE (op, tmp)) 1269 if (object::can_merge (op, tmp))
1384 { 1270 {
1385 op->nrof += tmp->nrof; 1271 op->nrof += tmp->nrof;
1386 remove_ob (tmp); 1272 tmp->destroy ();
1387 free_object (tmp);
1388 } 1273 }
1389 1274
1390 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1275 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1391 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1276 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1392 1277
… …
1405 op->below = originator->below; 1290 op->below = originator->below;
1406 1291
1407 if (op->below) 1292 if (op->below)
1408 op->below->above = op; 1293 op->below->above = op;
1409 else 1294 else
1410 SET_MAP_OB (op->map, op->x, op->y, op); 1295 ms.bot = op;
1411 1296
1412 /* since *below* originator, no need to update top */ 1297 /* since *below* originator, no need to update top */
1413 originator->below = op; 1298 originator->below = op;
1414 } 1299 }
1415 else 1300 else
1416 { 1301 {
1302 top = ms.bot;
1303
1417 /* If there are other objects, then */ 1304 /* If there are other objects, then */
1418 if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL)) 1305 if (top)
1419 { 1306 {
1420 object *last = NULL; 1307 object *last = 0;
1421 1308
1422 /* 1309 /*
1423 * If there are multiple objects on this space, we do some trickier handling. 1310 * If there are multiple objects on this space, we do some trickier handling.
1424 * We've already dealt with merging if appropriate. 1311 * We've already dealt with merging if appropriate.
1425 * Generally, we want to put the new object on top. But if 1312 * Generally, we want to put the new object on top. But if
… …
1429 * once we get to them. This reduces the need to traverse over all of 1316 * once we get to them. This reduces the need to traverse over all of
1430 * them when adding another one - this saves quite a bit of cpu time 1317 * them when adding another one - this saves quite a bit of cpu time
1431 * when lots of spells are cast in one area. Currently, it is presumed 1318 * when lots of spells are cast in one area. Currently, it is presumed
1432 * that flying non pickable objects are spell objects. 1319 * that flying non pickable objects are spell objects.
1433 */ 1320 */
1434 1321 for (top = ms.bot; top; top = top->above)
1435 while (top != NULL)
1436 { 1322 {
1437 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1323 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1438 floor = top; 1324 floor = top;
1439 1325
1440 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1326 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
… …
1443 top = top->below; 1329 top = top->below;
1444 break; 1330 break;
1445 } 1331 }
1446 1332
1447 last = top; 1333 last = top;
1448 top = top->above;
1449 } 1334 }
1450 1335
1451 /* Don't want top to be NULL, so set it to the last valid object */ 1336 /* Don't want top to be NULL, so set it to the last valid object */
1452 top = last; 1337 top = last;
1453 1338
… …
1455 * looks like instead of lots of conditions here. 1340 * looks like instead of lots of conditions here.
1456 * makes things faster, and effectively the same result. 1341 * makes things faster, and effectively the same result.
1457 */ 1342 */
1458 1343
1459 /* Have object 'fall below' other objects that block view. 1344 /* Have object 'fall below' other objects that block view.
1460 * Unless those objects are exits, type 66 1345 * Unless those objects are exits.
1461 * If INS_ON_TOP is used, don't do this processing 1346 * If INS_ON_TOP is used, don't do this processing
1462 * Need to find the object that in fact blocks view, otherwise 1347 * Need to find the object that in fact blocks view, otherwise
1463 * stacking is a bit odd. 1348 * stacking is a bit odd.
1464 */ 1349 */
1465 if (!(flag & INS_ON_TOP) && 1350 if (!(flag & INS_ON_TOP)
1466 (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility)) 1351 && ms.flags () & P_BLOCKSVIEW
1352 && (op->face && !faces [op->face].visibility))
1467 { 1353 {
1468 for (last = top; last != floor; last = last->below) 1354 for (last = top; last != floor; last = last->below)
1469 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1355 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1470 break; 1356 break;
1357
1471 /* Check to see if we found the object that blocks view, 1358 /* Check to see if we found the object that blocks view,
1472 * and make sure we have a below pointer for it so that 1359 * and make sure we have a below pointer for it so that
1473 * we can get inserted below this one, which requires we 1360 * we can get inserted below this one, which requires we
1474 * set top to the object below us. 1361 * set top to the object below us.
1475 */ 1362 */
1476 if (last && last->below && last != floor) 1363 if (last && last->below && last != floor)
1477 top = last->below; 1364 top = last->below;
1478 } 1365 }
1479 } /* If objects on this space */ 1366 } /* If objects on this space */
1480 1367
1481 if (flag & INS_MAP_LOAD)
1482 top = GET_MAP_TOP (op->map, op->x, op->y);
1483
1484 if (flag & INS_ABOVE_FLOOR_ONLY) 1368 if (flag & INS_ABOVE_FLOOR_ONLY)
1485 top = floor; 1369 top = floor;
1486 1370
1487 /* Top is the object that our object (op) is going to get inserted above. 1371 /* Top is the object that our object (op) is going to get inserted above.
1488 */ 1372 */
1489 1373
1490 /* First object on this space */ 1374 /* First object on this space */
1491 if (!top) 1375 if (!top)
1492 { 1376 {
1493 op->above = GET_MAP_OB (op->map, op->x, op->y); 1377 op->above = ms.bot;
1494 1378
1495 if (op->above) 1379 if (op->above)
1496 op->above->below = op; 1380 op->above->below = op;
1497 1381
1498 op->below = NULL; 1382 op->below = 0;
1499 SET_MAP_OB (op->map, op->x, op->y, op); 1383 ms.bot = op;
1500 } 1384 }
1501 else 1385 else
1502 { /* get inserted into the stack above top */ 1386 { /* get inserted into the stack above top */
1503 op->above = top->above; 1387 op->above = top->above;
1504 1388
… …
1507 1391
1508 op->below = top; 1392 op->below = top;
1509 top->above = op; 1393 top->above = op;
1510 } 1394 }
1511 1395
1512 if (op->above == NULL) 1396 if (!op->above)
1513 SET_MAP_TOP (op->map, op->x, op->y, op); 1397 ms.top = op;
1514 } /* else not INS_BELOW_ORIGINATOR */ 1398 } /* else not INS_BELOW_ORIGINATOR */
1515 1399
1516 if (op->type == PLAYER) 1400 if (op->type == PLAYER)
1401 {
1517 op->contr->do_los = 1; 1402 op->contr->do_los = 1;
1403 ++op->map->players;
1404 op->map->touch ();
1405 }
1518 1406
1519 /* If we have a floor, we know the player, if any, will be above 1407 op->map->dirty = true;
1520 * it, so save a few ticks and start from there. 1408
1521 */ 1409 if (object *pl = ms.player ())
1522 if (!(flag & INS_MAP_LOAD)) 1410 pl->contr->ns->floorbox_update ();
1523 for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1524 if (tmp->type == PLAYER)
1525 tmp->contr->socket.update_look = 1;
1526 1411
1527 /* If this object glows, it may affect lighting conditions that are 1412 /* If this object glows, it may affect lighting conditions that are
1528 * visible to others on this map. But update_all_los is really 1413 * visible to others on this map. But update_all_los is really
1529 * an inefficient way to do this, as it means los for all players 1414 * an inefficient way to do this, as it means los for all players
1530 * on the map will get recalculated. The players could very well 1415 * on the map will get recalculated. The players could very well
1531 * be far away from this change and not affected in any way - 1416 * be far away from this change and not affected in any way -
1532 * this should get redone to only look for players within range, 1417 * this should get redone to only look for players within range,
1533 * or just updating the P_NEED_UPDATE for spaces within this area 1418 * or just updating the P_UPTODATE for spaces within this area
1534 * of effect may be sufficient. 1419 * of effect may be sufficient.
1535 */ 1420 */
1536 if (MAP_DARKNESS (op->map) && (op->glow_radius != 0)) 1421 if (op->map->darkness && (op->glow_radius != 0))
1537 update_all_los (op->map, op->x, op->y); 1422 update_all_los (op->map, op->x, op->y);
1538 1423
1539 /* updates flags (blocked, alive, no magic, etc) for this map space */ 1424 /* updates flags (blocked, alive, no magic, etc) for this map space */
1540 update_object (op, UP_OBJ_INSERT); 1425 update_object (op, UP_OBJ_INSERT);
1541 1426
1427 INVOKE_OBJECT (INSERT, op);
1428
1542 /* Don't know if moving this to the end will break anything. However, 1429 /* Don't know if moving this to the end will break anything. However,
1543 * we want to have update_look set above before calling this. 1430 * we want to have floorbox_update called before calling this.
1544 * 1431 *
1545 * check_move_on() must be after this because code called from 1432 * check_move_on() must be after this because code called from
1546 * check_move_on() depends on correct map flags (so functions like 1433 * check_move_on() depends on correct map flags (so functions like
1547 * blocked() and wall() work properly), and these flags are updated by 1434 * blocked() and wall() work properly), and these flags are updated by
1548 * update_object(). 1435 * update_object().
1549 */ 1436 */
1550 1437
1551 /* if this is not the head or flag has been passed, don't check walk on status */ 1438 /* if this is not the head or flag has been passed, don't check walk on status */
1552 if (!(flag & INS_NO_WALK_ON) && !op->head) 1439 if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1553 { 1440 {
1554 if (check_move_on (op, originator)) 1441 if (check_move_on (op, originator))
1555 return NULL; 1442 return 0;
1556 1443
1557 /* If we are a multi part object, lets work our way through the check 1444 /* If we are a multi part object, lets work our way through the check
1558 * walk on's. 1445 * walk on's.
1559 */ 1446 */
1560 for (tmp = op->more; tmp != NULL; tmp = tmp->more) 1447 for (object *tmp = op->more; tmp; tmp = tmp->more)
1561 if (check_move_on (tmp, originator)) 1448 if (check_move_on (tmp, originator))
1562 return NULL; 1449 return 0;
1563 } 1450 }
1564 1451
1565 return op; 1452 return op;
1566} 1453}
1567 1454
1568/* this function inserts an object in the map, but if it 1455/* this function inserts an object in the map, but if it
1569 * finds an object of its own type, it'll remove that one first. 1456 * finds an object of its own type, it'll remove that one first.
1570 * op is the object to insert it under: supplies x and the map. 1457 * op is the object to insert it under: supplies x and the map.
1571 */ 1458 */
1572void 1459void
1573replace_insert_ob_in_map (const char *arch_string, object *op) 1460replace_insert_ob_in_map (const char *arch_string, object *op)
1574{ 1461{
1575 object * 1462 object *tmp, *tmp1;
1576 tmp;
1577 object *
1578 tmp1;
1579 1463
1580 /* first search for itself and remove any old instances */ 1464 /* first search for itself and remove any old instances */
1581 1465
1582 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1466 for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1583 {
1584 if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */ 1467 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1585 { 1468 tmp->destroy ();
1586 remove_ob (tmp);
1587 free_object (tmp);
1588 }
1589 }
1590 1469
1591 tmp1 = arch_to_object (find_archetype (arch_string)); 1470 tmp1 = arch_to_object (archetype::find (arch_string));
1592 1471
1593 tmp1->x = op->x; 1472 tmp1->x = op->x;
1594 tmp1->y = op->y; 1473 tmp1->y = op->y;
1595 insert_ob_in_map (tmp1, op->map, op, 0); 1474 insert_ob_in_map (tmp1, op->map, op, 0);
1475}
1476
1477object *
1478object::insert_at (object *where, object *originator, int flags)
1479{
1480 return where->map->insert (this, where->x, where->y, originator, flags);
1596} 1481}
1597 1482
1598/* 1483/*
1599 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1484 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1600 * is returned contains nr objects, and the remaining parts contains 1485 * is returned contains nr objects, and the remaining parts contains
1601 * the rest (or is removed and freed if that number is 0). 1486 * the rest (or is removed and freed if that number is 0).
1602 * On failure, NULL is returned, and the reason put into the 1487 * On failure, NULL is returned, and the reason put into the
1603 * global static errmsg array. 1488 * global static errmsg array.
1604 */ 1489 */
1605
1606object * 1490object *
1607get_split_ob (object *orig_ob, uint32 nr) 1491get_split_ob (object *orig_ob, uint32 nr)
1608{ 1492{
1609 object * 1493 object *newob;
1610 newob;
1611 int
1612 is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0); 1494 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1613 1495
1614 if (orig_ob->nrof < nr) 1496 if (orig_ob->nrof < nr)
1615 { 1497 {
1616 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name); 1498 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1617 return NULL; 1499 return NULL;
1618 } 1500 }
1619 1501
1620 newob = object_create_clone (orig_ob); 1502 newob = object_create_clone (orig_ob);
1621 1503
1622 if ((orig_ob->nrof -= nr) < 1) 1504 if ((orig_ob->nrof -= nr) < 1)
1623 { 1505 orig_ob->destroy (1);
1624 if (!is_removed)
1625 remove_ob (orig_ob);
1626 free_object2 (orig_ob, 1);
1627 }
1628 else if (!is_removed) 1506 else if (!is_removed)
1629 { 1507 {
1630 if (orig_ob->env != NULL) 1508 if (orig_ob->env != NULL)
1631 sub_weight (orig_ob->env, orig_ob->weight * nr); 1509 sub_weight (orig_ob->env, orig_ob->weight * nr);
1632 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY) 1510 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
… …
1647 * the amount of an object. If the amount reaches 0, the object 1525 * the amount of an object. If the amount reaches 0, the object
1648 * is subsequently removed and freed. 1526 * is subsequently removed and freed.
1649 * 1527 *
1650 * Return value: 'op' if something is left, NULL if the amount reached 0 1528 * Return value: 'op' if something is left, NULL if the amount reached 0
1651 */ 1529 */
1652
1653object * 1530object *
1654decrease_ob_nr (object *op, uint32 i) 1531decrease_ob_nr (object *op, uint32 i)
1655{ 1532{
1656 object *tmp; 1533 object *tmp;
1657 player *pl;
1658 1534
1659 if (i == 0) /* objects with op->nrof require this check */ 1535 if (i == 0) /* objects with op->nrof require this check */
1660 return op; 1536 return op;
1661 1537
1662 if (i > op->nrof) 1538 if (i > op->nrof)
1663 i = op->nrof; 1539 i = op->nrof;
1664 1540
1665 if (QUERY_FLAG (op, FLAG_REMOVED)) 1541 if (QUERY_FLAG (op, FLAG_REMOVED))
1666 op->nrof -= i; 1542 op->nrof -= i;
1667 else if (op->env != NULL) 1543 else if (op->env)
1668 { 1544 {
1669 /* is this object in the players inventory, or sub container 1545 /* is this object in the players inventory, or sub container
1670 * therein? 1546 * therein?
1671 */ 1547 */
1672 tmp = is_player_inv (op->env); 1548 tmp = op->in_player ();
1673 /* nope. Is this a container the player has opened? 1549 /* nope. Is this a container the player has opened?
1674 * If so, set tmp to that player. 1550 * If so, set tmp to that player.
1675 * IMO, searching through all the players will mostly 1551 * IMO, searching through all the players will mostly
1676 * likely be quicker than following op->env to the map, 1552 * likely be quicker than following op->env to the map,
1677 * and then searching the map for a player. 1553 * and then searching the map for a player.
1678 */ 1554 */
1679 if (!tmp) 1555 if (!tmp)
1680 { 1556 for_all_players (pl)
1681 for (pl = first_player; pl; pl = pl->next)
1682 if (pl->ob->container == op->env) 1557 if (pl->ob->container == op->env)
1558 {
1559 tmp = pl->ob;
1683 break; 1560 break;
1684 if (pl)
1685 tmp = pl->ob;
1686 else
1687 tmp = NULL;
1688 } 1561 }
1689 1562
1690 if (i < op->nrof) 1563 if (i < op->nrof)
1691 { 1564 {
1692 sub_weight (op->env, op->weight * i); 1565 sub_weight (op->env, op->weight * i);
1693 op->nrof -= i; 1566 op->nrof -= i;
1694 if (tmp) 1567 if (tmp)
1695 {
1696 esrv_send_item (tmp, op); 1568 esrv_send_item (tmp, op);
1697 }
1698 } 1569 }
1699 else 1570 else
1700 { 1571 {
1701 remove_ob (op); 1572 op->remove ();
1702 op->nrof = 0; 1573 op->nrof = 0;
1703 if (tmp) 1574 if (tmp)
1704 {
1705 esrv_del_item (tmp->contr, op->count); 1575 esrv_del_item (tmp->contr, op->count);
1706 }
1707 } 1576 }
1708 } 1577 }
1709 else 1578 else
1710 { 1579 {
1711 object *above = op->above; 1580 object *above = op->above;
1712 1581
1713 if (i < op->nrof) 1582 if (i < op->nrof)
1714 op->nrof -= i; 1583 op->nrof -= i;
1715 else 1584 else
1716 { 1585 {
1717 remove_ob (op); 1586 op->remove ();
1718 op->nrof = 0; 1587 op->nrof = 0;
1719 } 1588 }
1720 1589
1721 /* Since we just removed op, op->above is null */ 1590 /* Since we just removed op, op->above is null */
1722 for (tmp = above; tmp != NULL; tmp = tmp->above) 1591 for (tmp = above; tmp; tmp = tmp->above)
1723 if (tmp->type == PLAYER) 1592 if (tmp->type == PLAYER)
1724 { 1593 {
1725 if (op->nrof) 1594 if (op->nrof)
1726 esrv_send_item (tmp, op); 1595 esrv_send_item (tmp, op);
1727 else 1596 else
… …
1731 1600
1732 if (op->nrof) 1601 if (op->nrof)
1733 return op; 1602 return op;
1734 else 1603 else
1735 { 1604 {
1736 free_object (op); 1605 op->destroy ();
1737 return NULL; 1606 return 0;
1738 } 1607 }
1739} 1608}
1740 1609
1741/* 1610/*
1742 * add_weight(object, weight) adds the specified weight to an object, 1611 * add_weight(object, weight) adds the specified weight to an object,
1743 * and also updates how much the environment(s) is/are carrying. 1612 * and also updates how much the environment(s) is/are carrying.
1744 */ 1613 */
1745
1746void 1614void
1747add_weight (object *op, signed long weight) 1615add_weight (object *op, signed long weight)
1748{ 1616{
1749 while (op != NULL) 1617 while (op != NULL)
1750 { 1618 {
… …
1754 op->carrying += weight; 1622 op->carrying += weight;
1755 op = op->env; 1623 op = op->env;
1756 } 1624 }
1757} 1625}
1758 1626
1627object *
1628insert_ob_in_ob (object *op, object *where)
1629{
1630 if (!where)
1631 {
1632 char *dump = dump_object (op);
1633 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1634 free (dump);
1635 return op;
1636 }
1637
1638 if (where->head_ () != where)
1639 {
1640 LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1641 where = where->head;
1642 }
1643
1644 return where->insert (op);
1645}
1646
1759/* 1647/*
1760 * insert_ob_in_ob(op,environment): 1648 * env->insert (op)
1761 * This function inserts the object op in the linked list 1649 * This function inserts the object op in the linked list
1762 * inside the object environment. 1650 * inside the object environment.
1763 * 1651 *
1764 * Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1765 * the inventory at the last position or next to other objects of the same
1766 * type.
1767 * Frank: Now sorted by type, archetype and magic!
1768 *
1769 * The function returns now pointer to inserted item, and return value can 1652 * The function returns now pointer to inserted item, and return value can
1770 * be != op, if items are merged. -Tero 1653 * be != op, if items are merged. -Tero
1771 */ 1654 */
1772
1773object * 1655object *
1774insert_ob_in_ob (object *op, object *where) 1656object::insert (object *op)
1775{ 1657{
1776 object *
1777 tmp, *
1778 otmp;
1779
1780 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1658 if (!QUERY_FLAG (op, FLAG_REMOVED))
1781 { 1659 op->remove ();
1782 dump_object (op);
1783 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1784 return op;
1785 }
1786
1787 if (where == NULL)
1788 {
1789 dump_object (op);
1790 LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1791 return op;
1792 }
1793
1794 if (where->head)
1795 {
1796 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1797 where = where->head;
1798 }
1799 1660
1800 if (op->more) 1661 if (op->more)
1801 { 1662 {
1802 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1663 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1803 return op; 1664 return op;
1804 } 1665 }
1805 1666
1806 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1667 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1807 CLEAR_FLAG (op, FLAG_REMOVED); 1668 CLEAR_FLAG (op, FLAG_REMOVED);
1669
1808 if (op->nrof) 1670 if (op->nrof)
1809 { 1671 {
1810 for (tmp = where->inv; tmp != NULL; tmp = tmp->below) 1672 for (object *tmp = inv; tmp; tmp = tmp->below)
1811 if (CAN_MERGE (tmp, op)) 1673 if (object::can_merge (tmp, op))
1812 { 1674 {
1813 /* return the original object and remove inserted object 1675 /* return the original object and remove inserted object
1814 (client needs the original object) */ 1676 (client needs the original object) */
1815 tmp->nrof += op->nrof; 1677 tmp->nrof += op->nrof;
1816 /* Weight handling gets pretty funky. Since we are adding to 1678 /* Weight handling gets pretty funky. Since we are adding to
1817 * tmp->nrof, we need to increase the weight. 1679 * tmp->nrof, we need to increase the weight.
1818 */ 1680 */
1819 add_weight (where, op->weight * op->nrof); 1681 add_weight (this, op->weight * op->nrof);
1820 SET_FLAG (op, FLAG_REMOVED); 1682 SET_FLAG (op, FLAG_REMOVED);
1821 free_object (op); /* free the inserted object */ 1683 op->destroy (); /* free the inserted object */
1822 op = tmp; 1684 op = tmp;
1823 remove_ob (op); /* and fix old object's links */ 1685 op->remove (); /* and fix old object's links */
1824 CLEAR_FLAG (op, FLAG_REMOVED); 1686 CLEAR_FLAG (op, FLAG_REMOVED);
1825 break; 1687 break;
1826 } 1688 }
1827 1689
1828 /* I assume combined objects have no inventory 1690 /* I assume combined objects have no inventory
1829 * We add the weight - this object could have just been removed 1691 * We add the weight - this object could have just been removed
1830 * (if it was possible to merge). calling remove_ob will subtract 1692 * (if it was possible to merge). calling remove_ob will subtract
1831 * the weight, so we need to add it in again, since we actually do 1693 * the weight, so we need to add it in again, since we actually do
1832 * the linking below 1694 * the linking below
1833 */ 1695 */
1834 add_weight (where, op->weight * op->nrof); 1696 add_weight (this, op->weight * op->nrof);
1835 } 1697 }
1836 else 1698 else
1837 add_weight (where, (op->weight + op->carrying)); 1699 add_weight (this, (op->weight + op->carrying));
1838 1700
1839 otmp = is_player_inv (where); 1701 if (object *otmp = this->in_player ())
1840 if (otmp && otmp->contr != NULL)
1841 {
1842 if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1702 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1843 fix_player (otmp); 1703 otmp->update_stats ();
1844 }
1845 1704
1705 op->owner = 0; // its his/hers now. period.
1846 op->map = NULL; 1706 op->map = 0;
1847 op->env = where; 1707 op->env = this;
1848 op->above = NULL; 1708 op->above = 0;
1849 op->below = NULL; 1709 op->below = 0;
1850 op->x = 0, op->y = 0; 1710 op->x = op->y = 0;
1851 1711
1852 /* reset the light list and los of the players on the map */ 1712 /* reset the light list and los of the players on the map */
1853 if ((op->glow_radius != 0) && where->map) 1713 if (op->glow_radius && map)
1854 { 1714 {
1855#ifdef DEBUG_LIGHTS 1715#ifdef DEBUG_LIGHTS
1856 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name); 1716 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1857#endif /* DEBUG_LIGHTS */ 1717#endif /* DEBUG_LIGHTS */
1858 if (MAP_DARKNESS (where->map)) 1718 if (map->darkness)
1859 update_all_los (where->map, where->x, where->y); 1719 update_all_los (map, x, y);
1860 } 1720 }
1861 1721
1862 /* Client has no idea of ordering so lets not bother ordering it here. 1722 /* Client has no idea of ordering so lets not bother ordering it here.
1863 * It sure simplifies this function... 1723 * It sure simplifies this function...
1864 */ 1724 */
1865 if (where->inv == NULL) 1725 if (!inv)
1866 where->inv = op; 1726 inv = op;
1867 else 1727 else
1868 { 1728 {
1869 op->below = where->inv; 1729 op->below = inv;
1870 op->below->above = op; 1730 op->below->above = op;
1871 where->inv = op; 1731 inv = op;
1872 } 1732 }
1733
1734 INVOKE_OBJECT (INSERT, this);
1735
1873 return op; 1736 return op;
1874} 1737}
1875 1738
1876/* 1739/*
1877 * Checks if any objects has a move_type that matches objects 1740 * Checks if any objects has a move_type that matches objects
… …
1891 * 1754 *
1892 * MSW 2001-07-08: Check all objects on space, not just those below 1755 * MSW 2001-07-08: Check all objects on space, not just those below
1893 * object being inserted. insert_ob_in_map may not put new objects 1756 * object being inserted. insert_ob_in_map may not put new objects
1894 * on top. 1757 * on top.
1895 */ 1758 */
1896
1897int 1759int
1898check_move_on (object *op, object *originator) 1760check_move_on (object *op, object *originator)
1899{ 1761{
1900 object * 1762 object *tmp;
1901 tmp; 1763 maptile *m = op->map;
1902 tag_t
1903 tag;
1904 mapstruct *
1905 m = op->map;
1906 int
1907 x = op->x, y = op->y; 1764 int x = op->x, y = op->y;
1908 1765
1909 MoveType 1766 MoveType move_on, move_slow, move_block;
1910 move_on,
1911 move_slow,
1912 move_block;
1913 1767
1914 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1768 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1915 return 0; 1769 return 0;
1916
1917 tag = op->count;
1918 1770
1919 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y); 1771 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1920 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y); 1772 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1921 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y); 1773 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1922 1774
… …
1938 1790
1939 /* The objects have to be checked from top to bottom. 1791 /* The objects have to be checked from top to bottom.
1940 * Hence, we first go to the top: 1792 * Hence, we first go to the top:
1941 */ 1793 */
1942 1794
1943 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above) 1795 for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1944 { 1796 {
1945 /* Trim the search when we find the first other spell effect 1797 /* Trim the search when we find the first other spell effect
1946 * this helps performance so that if a space has 50 spell objects, 1798 * this helps performance so that if a space has 50 spell objects,
1947 * we don't need to check all of them. 1799 * we don't need to check all of them.
1948 */ 1800 */
… …
1966 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1818 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1967 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 1819 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1968 { 1820 {
1969 1821
1970 float 1822 float
1971 diff = tmp->move_slow_penalty * FABS (op->speed); 1823 diff = tmp->move_slow_penalty * fabs (op->speed);
1972 1824
1973 if (op->type == PLAYER) 1825 if (op->type == PLAYER)
1974 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) || 1826 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1975 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN))) 1827 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1976 diff /= 4.0; 1828 diff /= 4.0;
… …
1983 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1835 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1984 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0)) 1836 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1985 { 1837 {
1986 move_apply (tmp, op, originator); 1838 move_apply (tmp, op, originator);
1987 1839
1988 if (was_destroyed (op, tag)) 1840 if (op->destroyed ())
1989 return 1; 1841 return 1;
1990 1842
1991 /* what the person/creature stepped onto has moved the object 1843 /* what the person/creature stepped onto has moved the object
1992 * someplace new. Don't process any further - if we did, 1844 * someplace new. Don't process any further - if we did,
1993 * have a feeling strange problems would result. 1845 * have a feeling strange problems would result.
… …
2003/* 1855/*
2004 * present_arch(arch, map, x, y) searches for any objects with 1856 * present_arch(arch, map, x, y) searches for any objects with
2005 * a matching archetype at the given map and coordinates. 1857 * a matching archetype at the given map and coordinates.
2006 * The first matching object is returned, or NULL if none. 1858 * The first matching object is returned, or NULL if none.
2007 */ 1859 */
2008
2009object * 1860object *
2010present_arch (const archetype *at, mapstruct *m, int x, int y) 1861present_arch (const archetype *at, maptile *m, int x, int y)
2011{ 1862{
2012 object *
2013 tmp;
2014
2015 if (m == NULL || out_of_map (m, x, y)) 1863 if (!m || out_of_map (m, x, y))
2016 { 1864 {
2017 LOG (llevError, "Present_arch called outside map.\n"); 1865 LOG (llevError, "Present_arch called outside map.\n");
2018 return NULL; 1866 return NULL;
2019 } 1867 }
2020 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1868
1869 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2021 if (tmp->arch == at) 1870 if (tmp->arch == at)
2022 return tmp; 1871 return tmp;
1872
2023 return NULL; 1873 return NULL;
2024} 1874}
2025 1875
2026/* 1876/*
2027 * present(type, map, x, y) searches for any objects with 1877 * present(type, map, x, y) searches for any objects with
2028 * a matching type variable at the given map and coordinates. 1878 * a matching type variable at the given map and coordinates.
2029 * The first matching object is returned, or NULL if none. 1879 * The first matching object is returned, or NULL if none.
2030 */ 1880 */
2031
2032object * 1881object *
2033present (unsigned char type, mapstruct *m, int x, int y) 1882present (unsigned char type, maptile *m, int x, int y)
2034{ 1883{
2035 object *
2036 tmp;
2037
2038 if (out_of_map (m, x, y)) 1884 if (out_of_map (m, x, y))
2039 { 1885 {
2040 LOG (llevError, "Present called outside map.\n"); 1886 LOG (llevError, "Present called outside map.\n");
2041 return NULL; 1887 return NULL;
2042 } 1888 }
2043 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1889
1890 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2044 if (tmp->type == type) 1891 if (tmp->type == type)
2045 return tmp; 1892 return tmp;
1893
2046 return NULL; 1894 return NULL;
2047} 1895}
2048 1896
2049/* 1897/*
2050 * present_in_ob(type, object) searches for any objects with 1898 * present_in_ob(type, object) searches for any objects with
2051 * a matching type variable in the inventory of the given object. 1899 * a matching type variable in the inventory of the given object.
2052 * The first matching object is returned, or NULL if none. 1900 * The first matching object is returned, or NULL if none.
2053 */ 1901 */
2054
2055object * 1902object *
2056present_in_ob (unsigned char type, const object *op) 1903present_in_ob (unsigned char type, const object *op)
2057{ 1904{
2058 object *
2059 tmp;
2060
2061 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1905 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2062 if (tmp->type == type) 1906 if (tmp->type == type)
2063 return tmp; 1907 return tmp;
1908
2064 return NULL; 1909 return NULL;
2065} 1910}
2066 1911
2067/* 1912/*
2068 * present_in_ob (type, str, object) searches for any objects with 1913 * present_in_ob (type, str, object) searches for any objects with
… …
2076 * str is the string to match against. Note that we match against 1921 * str is the string to match against. Note that we match against
2077 * the object name, not the archetype name. this is so that the 1922 * the object name, not the archetype name. this is so that the
2078 * spell code can use one object type (force), but change it's name 1923 * spell code can use one object type (force), but change it's name
2079 * to be unique. 1924 * to be unique.
2080 */ 1925 */
2081
2082object * 1926object *
2083present_in_ob_by_name (int type, const char *str, const object *op) 1927present_in_ob_by_name (int type, const char *str, const object *op)
2084{ 1928{
2085 object *
2086 tmp;
2087
2088 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1929 for (object *tmp = op->inv; tmp; tmp = tmp->below)
2089 {
2090 if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name))) 1930 if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2091 return tmp; 1931 return tmp;
2092 } 1932
2093 return NULL; 1933 return 0;
2094} 1934}
2095 1935
2096/* 1936/*
2097 * present_arch_in_ob(archetype, object) searches for any objects with 1937 * present_arch_in_ob(archetype, object) searches for any objects with
2098 * a matching archetype in the inventory of the given object. 1938 * a matching archetype in the inventory of the given object.
2099 * The first matching object is returned, or NULL if none. 1939 * The first matching object is returned, or NULL if none.
2100 */ 1940 */
2101
2102object * 1941object *
2103present_arch_in_ob (const archetype *at, const object *op) 1942present_arch_in_ob (const archetype *at, const object *op)
2104{ 1943{
2105 object *
2106 tmp;
2107
2108 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1944 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2109 if (tmp->arch == at) 1945 if (tmp->arch == at)
2110 return tmp; 1946 return tmp;
1947
2111 return NULL; 1948 return NULL;
2112} 1949}
2113 1950
2114/* 1951/*
2115 * activate recursively a flag on an object inventory 1952 * activate recursively a flag on an object inventory
2116 */ 1953 */
2117void 1954void
2118flag_inv (object *op, int flag) 1955flag_inv (object *op, int flag)
2119{ 1956{
2120 object *
2121 tmp;
2122
2123 if (op->inv) 1957 if (op->inv)
2124 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1958 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2125 { 1959 {
2126 SET_FLAG (tmp, flag); 1960 SET_FLAG (tmp, flag);
2127 flag_inv (tmp, flag); 1961 flag_inv (tmp, flag);
2128 } 1962 }
2129} /* 1963}
1964
1965/*
2130 * desactivate recursively a flag on an object inventory 1966 * deactivate recursively a flag on an object inventory
2131 */ 1967 */
2132void 1968void
2133unflag_inv (object *op, int flag) 1969unflag_inv (object *op, int flag)
2134{ 1970{
2135 object *
2136 tmp;
2137
2138 if (op->inv) 1971 if (op->inv)
2139 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1972 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2140 { 1973 {
2141 CLEAR_FLAG (tmp, flag); 1974 CLEAR_FLAG (tmp, flag);
2142 unflag_inv (tmp, flag); 1975 unflag_inv (tmp, flag);
2143 } 1976 }
2144}
2145
2146/*
2147 * set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2148 * all it's inventory (recursively).
2149 * If checksums are used, a player will get set_cheat called for
2150 * him/her-self and all object carried by a call to this function.
2151 */
2152
2153void
2154set_cheat (object *op)
2155{
2156 SET_FLAG (op, FLAG_WAS_WIZ);
2157 flag_inv (op, FLAG_WAS_WIZ);
2158} 1977}
2159 1978
2160/* 1979/*
2161 * find_free_spot(object, map, x, y, start, stop) will search for 1980 * find_free_spot(object, map, x, y, start, stop) will search for
2162 * a spot at the given map and coordinates which will be able to contain 1981 * a spot at the given map and coordinates which will be able to contain
… …
2176 * because arch_blocked (now ob_blocked) needs to know the movement type 1995 * because arch_blocked (now ob_blocked) needs to know the movement type
2177 * to know if the space in question will block the object. We can't use 1996 * to know if the space in question will block the object. We can't use
2178 * the archetype because that isn't correct if the monster has been 1997 * the archetype because that isn't correct if the monster has been
2179 * customized, changed states, etc. 1998 * customized, changed states, etc.
2180 */ 1999 */
2181
2182int 2000int
2183find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop) 2001find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2184{ 2002{
2185 int
2186 i,
2187 index = 0, flag;
2188 static int
2189 altern[SIZEOFFREE]; 2003 int altern[SIZEOFFREE];
2004 int index = 0, flag;
2190 2005
2191 for (i = start; i < stop; i++) 2006 for (int i = start; i < stop; i++)
2192 { 2007 {
2193 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]); 2008 mapxy pos (m, x, y); pos.move (i);
2194 if (!flag) 2009
2010 if (!pos.normalise ())
2011 continue;
2012
2013 mapspace &ms = *pos;
2014
2015 if (ms.flags () & P_IS_ALIVE)
2016 continue;
2017
2018 /* However, often
2019 * ob doesn't have any move type (when used to place exits)
2020 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
2021 */
2022 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
2023 {
2195 altern[index++] = i; 2024 altern [index++] = i;
2025 continue;
2026 }
2196 2027
2197 /* Basically, if we find a wall on a space, we cut down the search size. 2028 /* Basically, if we find a wall on a space, we cut down the search size.
2198 * In this way, we won't return spaces that are on another side of a wall. 2029 * In this way, we won't return spaces that are on another side of a wall.
2199 * This mostly work, but it cuts down the search size in all directions - 2030 * This mostly work, but it cuts down the search size in all directions -
2200 * if the space being examined only has a wall to the north and empty 2031 * if the space being examined only has a wall to the north and empty
2201 * spaces in all the other directions, this will reduce the search space 2032 * spaces in all the other directions, this will reduce the search space
2202 * to only the spaces immediately surrounding the target area, and 2033 * to only the spaces immediately surrounding the target area, and
2203 * won't look 2 spaces south of the target space. 2034 * won't look 2 spaces south of the target space.
2204 */ 2035 */
2205 else if ((flag & AB_NO_PASS) && maxfree[i] < stop) 2036 if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
2037 {
2206 stop = maxfree[i]; 2038 stop = maxfree[i];
2039 continue;
2040 }
2041
2042 /* Note it is intentional that we check ob - the movement type of the
2043 * head of the object should correspond for the entire object.
2044 */
2045 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2046 continue;
2047
2048 altern [index++] = i;
2207 } 2049 }
2050
2208 if (!index) 2051 if (!index)
2209 return -1; 2052 return -1;
2053
2210 return altern[RANDOM () % index]; 2054 return altern [rndm (index)];
2211} 2055}
2212 2056
2213/* 2057/*
2214 * find_first_free_spot(archetype, mapstruct, x, y) works like 2058 * find_first_free_spot(archetype, maptile, x, y) works like
2215 * find_free_spot(), but it will search max number of squares. 2059 * find_free_spot(), but it will search max number of squares.
2216 * But it will return the first available spot, not a random choice. 2060 * But it will return the first available spot, not a random choice.
2217 * Changed 0.93.2: Have it return -1 if there is no free spot available. 2061 * Changed 0.93.2: Have it return -1 if there is no free spot available.
2218 */ 2062 */
2219
2220int 2063int
2221find_first_free_spot (const object *ob, mapstruct *m, int x, int y) 2064find_first_free_spot (const object *ob, maptile *m, int x, int y)
2222{ 2065{
2223 int
2224 i;
2225
2226 for (i = 0; i < SIZEOFFREE; i++) 2066 for (int i = 0; i < SIZEOFFREE; i++)
2227 {
2228 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i])) 2067 if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2229 return i; 2068 return i;
2230 } 2069
2231 return -1; 2070 return -1;
2232} 2071}
2233 2072
2234/* 2073/*
2235 * The function permute(arr, begin, end) randomly reorders the array 2074 * The function permute(arr, begin, end) randomly reorders the array
2236 * arr[begin..end-1]. 2075 * arr[begin..end-1].
2076 * now uses a fisher-yates shuffle, old permute was broken
2237 */ 2077 */
2238static void 2078static void
2239permute (int *arr, int begin, int end) 2079permute (int *arr, int begin, int end)
2240{ 2080{
2241 int 2081 arr += begin;
2242 i,
2243 j,
2244 tmp,
2245 len;
2246
2247 len = end - begin; 2082 end -= begin;
2248 for (i = begin; i < end; i++)
2249 {
2250 j = begin + RANDOM () % len;
2251 2083
2252 tmp = arr[i]; 2084 while (--end)
2253 arr[i] = arr[j]; 2085 swap (arr [end], arr [rndm (end + 1)]);
2254 arr[j] = tmp;
2255 }
2256} 2086}
2257 2087
2258/* new function to make monster searching more efficient, and effective! 2088/* new function to make monster searching more efficient, and effective!
2259 * This basically returns a randomized array (in the passed pointer) of 2089 * This basically returns a randomized array (in the passed pointer) of
2260 * the spaces to find monsters. In this way, it won't always look for 2090 * the spaces to find monsters. In this way, it won't always look for
… …
2263 * the 3x3 area will be searched, just not in a predictable order. 2093 * the 3x3 area will be searched, just not in a predictable order.
2264 */ 2094 */
2265void 2095void
2266get_search_arr (int *search_arr) 2096get_search_arr (int *search_arr)
2267{ 2097{
2268 int 2098 int i;
2269 i;
2270 2099
2271 for (i = 0; i < SIZEOFFREE; i++) 2100 for (i = 0; i < SIZEOFFREE; i++)
2272 {
2273 search_arr[i] = i; 2101 search_arr[i] = i;
2274 }
2275 2102
2276 permute (search_arr, 1, SIZEOFFREE1 + 1); 2103 permute (search_arr, 1, SIZEOFFREE1 + 1);
2277 permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1); 2104 permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2278 permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE); 2105 permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2279} 2106}
… …
2288 * Perhaps incorrectly, but I'm making the assumption that exclude 2115 * Perhaps incorrectly, but I'm making the assumption that exclude
2289 * is actually want is going to try and move there. We need this info 2116 * is actually want is going to try and move there. We need this info
2290 * because we have to know what movement the thing looking to move 2117 * because we have to know what movement the thing looking to move
2291 * there is capable of. 2118 * there is capable of.
2292 */ 2119 */
2293
2294int 2120int
2295find_dir (mapstruct *m, int x, int y, object *exclude) 2121find_dir (maptile *m, int x, int y, object *exclude)
2296{ 2122{
2297 int
2298 i,
2299 max = SIZEOFFREE, mflags; 2123 int i, max = SIZEOFFREE, mflags;
2300 2124
2301 sint16 nx, ny; 2125 sint16 nx, ny;
2302 object * 2126 object *tmp;
2303 tmp; 2127 maptile *mp;
2304 mapstruct *
2305 mp;
2306 2128
2307 MoveType blocked, move_type; 2129 MoveType blocked, move_type;
2308 2130
2309 if (exclude && exclude->head) 2131 if (exclude && exclude->head_ () != exclude)
2310 { 2132 {
2311 exclude = exclude->head; 2133 exclude = exclude->head;
2312 move_type = exclude->move_type; 2134 move_type = exclude->move_type;
2313 } 2135 }
2314 else 2136 else
… …
2322 mp = m; 2144 mp = m;
2323 nx = x + freearr_x[i]; 2145 nx = x + freearr_x[i];
2324 ny = y + freearr_y[i]; 2146 ny = y + freearr_y[i];
2325 2147
2326 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); 2148 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
2149
2327 if (mflags & P_OUT_OF_MAP) 2150 if (mflags & P_OUT_OF_MAP)
2328 {
2329 max = maxfree[i]; 2151 max = maxfree[i];
2330 }
2331 else 2152 else
2332 { 2153 {
2333 blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny); 2154 mapspace &ms = mp->at (nx, ny);
2155
2156 blocked = ms.move_block;
2334 2157
2335 if ((move_type & blocked) == move_type) 2158 if ((move_type & blocked) == move_type)
2336 {
2337 max = maxfree[i]; 2159 max = maxfree[i];
2338 }
2339 else if (mflags & P_IS_ALIVE) 2160 else if (mflags & P_IS_ALIVE)
2340 { 2161 {
2341 for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above) 2162 for (tmp = ms.bot; tmp; tmp = tmp->above)
2342 { 2163 if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2343 if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude))) 2164 && (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2344 {
2345 break; 2165 break;
2346 } 2166
2347 }
2348 if (tmp) 2167 if (tmp)
2349 {
2350 return freedir[i]; 2168 return freedir[i];
2351 }
2352 } 2169 }
2353 } 2170 }
2354 } 2171 }
2172
2355 return 0; 2173 return 0;
2356} 2174}
2357 2175
2358/* 2176/*
2359 * distance(object 1, object 2) will return the square of the 2177 * distance(object 1, object 2) will return the square of the
2360 * distance between the two given objects. 2178 * distance between the two given objects.
2361 */ 2179 */
2362
2363int 2180int
2364distance (const object *ob1, const object *ob2) 2181distance (const object *ob1, const object *ob2)
2365{ 2182{
2366 int
2367 i;
2368
2369 i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y); 2183 return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2370 return i;
2371} 2184}
2372 2185
2373/* 2186/*
2374 * find_dir_2(delta-x,delta-y) will return a direction in which 2187 * find_dir_2(delta-x,delta-y) will return a direction in which
2375 * an object which has subtracted the x and y coordinates of another 2188 * an object which has subtracted the x and y coordinates of another
2376 * object, needs to travel toward it. 2189 * object, needs to travel toward it.
2377 */ 2190 */
2378
2379int 2191int
2380find_dir_2 (int x, int y) 2192find_dir_2 (int x, int y)
2381{ 2193{
2382 int 2194 int q;
2383 q;
2384 2195
2385 if (y) 2196 if (y)
2386 q = x * 100 / y; 2197 q = x * 100 / y;
2387 else if (x) 2198 else if (x)
2388 q = -300 * x; 2199 q = -300 * x;
… …
2413 2224
2414 return 3; 2225 return 3;
2415} 2226}
2416 2227
2417/* 2228/*
2418 * absdir(int): Returns a number between 1 and 8, which represent
2419 * the "absolute" direction of a number (it actually takes care of
2420 * "overflow" in previous calculations of a direction).
2421 */
2422
2423int
2424absdir (int d)
2425{
2426 while (d < 1)
2427 d += 8;
2428 while (d > 8)
2429 d -= 8;
2430 return d;
2431}
2432
2433/*
2434 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is 2229 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2435 * between two directions (which are expected to be absolute (see absdir()) 2230 * between two directions (which are expected to be absolute (see absdir())
2436 */ 2231 */
2437
2438int 2232int
2439dirdiff (int dir1, int dir2) 2233dirdiff (int dir1, int dir2)
2440{ 2234{
2441 int 2235 int d;
2442 d;
2443 2236
2444 d = abs (dir1 - dir2); 2237 d = abs (dir1 - dir2);
2445 if (d > 4) 2238 if (d > 4)
2446 d = 8 - d; 2239 d = 8 - d;
2240
2447 return d; 2241 return d;
2448} 2242}
2449 2243
2450/* peterm: 2244/* peterm:
2451 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster. 2245 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
… …
2454 * This basically means that if direction is 15, then it could either go 2248 * This basically means that if direction is 15, then it could either go
2455 * direction 4, 14, or 16 to get back to where we are. 2249 * direction 4, 14, or 16 to get back to where we are.
2456 * Moved from spell_util.c to object.c with the other related direction 2250 * Moved from spell_util.c to object.c with the other related direction
2457 * functions. 2251 * functions.
2458 */ 2252 */
2459
2460int
2461 reduction_dir[SIZEOFFREE][3] = { 2253int reduction_dir[SIZEOFFREE][3] = {
2462 {0, 0, 0}, /* 0 */ 2254 {0, 0, 0}, /* 0 */
2463 {0, 0, 0}, /* 1 */ 2255 {0, 0, 0}, /* 1 */
2464 {0, 0, 0}, /* 2 */ 2256 {0, 0, 0}, /* 2 */
2465 {0, 0, 0}, /* 3 */ 2257 {0, 0, 0}, /* 3 */
2466 {0, 0, 0}, /* 4 */ 2258 {0, 0, 0}, /* 4 */
… …
2514 * find a path to that monster that we found. If not, 2306 * find a path to that monster that we found. If not,
2515 * we don't bother going toward it. Returns 1 if we 2307 * we don't bother going toward it. Returns 1 if we
2516 * can see a direct way to get it 2308 * can see a direct way to get it
2517 * Modified to be map tile aware -.MSW 2309 * Modified to be map tile aware -.MSW
2518 */ 2310 */
2519
2520
2521int 2311int
2522can_see_monsterP (mapstruct *m, int x, int y, int dir) 2312can_see_monsterP (maptile *m, int x, int y, int dir)
2523{ 2313{
2524 sint16 dx, dy; 2314 sint16 dx, dy;
2525 int
2526 mflags; 2315 int mflags;
2527 2316
2528 if (dir < 0) 2317 if (dir < 0)
2529 return 0; /* exit condition: invalid direction */ 2318 return 0; /* exit condition: invalid direction */
2530 2319
2531 dx = x + freearr_x[dir]; 2320 dx = x + freearr_x[dir];
… …
2544 return 0; 2333 return 0;
2545 2334
2546 /* yes, can see. */ 2335 /* yes, can see. */
2547 if (dir < 9) 2336 if (dir < 9)
2548 return 1; 2337 return 1;
2338
2549 return can_see_monsterP (m, x, y, reduction_dir[dir][0]) | 2339 return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2550 can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]); 2340 | can_see_monsterP (m, x, y, reduction_dir[dir][1])
2341 | can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2551} 2342}
2552
2553
2554 2343
2555/* 2344/*
2556 * can_pick(picker, item): finds out if an object is possible to be 2345 * can_pick(picker, item): finds out if an object is possible to be
2557 * picked up by the picker. Returnes 1 if it can be 2346 * picked up by the picker. Returnes 1 if it can be
2558 * picked up, otherwise 0. 2347 * picked up, otherwise 0.
… …
2560 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause 2349 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2561 * core dumps if they do. 2350 * core dumps if they do.
2562 * 2351 *
2563 * Add a check so we can't pick up invisible objects (0.93.8) 2352 * Add a check so we can't pick up invisible objects (0.93.8)
2564 */ 2353 */
2565
2566int 2354int
2567can_pick (const object *who, const object *item) 2355can_pick (const object *who, const object *item)
2568{ 2356{
2569 return /*QUERY_FLAG(who,FLAG_WIZ)|| */ 2357 return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2570 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) && 2358 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2571 !QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3)); 2359 !QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2572} 2360}
2573 2361
2574
2575/* 2362/*
2576 * create clone from object to another 2363 * create clone from object to another
2577 */ 2364 */
2578object * 2365object *
2579object_create_clone (object *asrc) 2366object_create_clone (object *asrc)
2580{ 2367{
2581 object *
2582 dst = NULL, *tmp, *src, *part, *prev, *item; 2368 object *dst = 0, *tmp, *src, *prev, *item;
2583 2369
2584 if (!asrc) 2370 if (!asrc)
2585 return NULL; 2371 return 0;
2586 src = asrc; 2372
2587 if (src->head)
2588 src = src->head; 2373 src = asrc->head_ ();
2589 2374
2590 prev = NULL; 2375 prev = 0;
2591 for (part = src; part; part = part->more) 2376 for (object *part = src; part; part = part->more)
2592 { 2377 {
2593 tmp = get_object (); 2378 tmp = part->clone ();
2594 copy_object (part, tmp);
2595 tmp->x -= src->x; 2379 tmp->x -= src->x;
2596 tmp->y -= src->y; 2380 tmp->y -= src->y;
2381
2597 if (!part->head) 2382 if (!part->head)
2598 { 2383 {
2599 dst = tmp; 2384 dst = tmp;
2600 tmp->head = NULL; 2385 tmp->head = 0;
2601 } 2386 }
2602 else 2387 else
2603 {
2604 tmp->head = dst; 2388 tmp->head = dst;
2605 } 2389
2606 tmp->more = NULL; 2390 tmp->more = 0;
2391
2607 if (prev) 2392 if (prev)
2608 prev->more = tmp; 2393 prev->more = tmp;
2394
2609 prev = tmp; 2395 prev = tmp;
2610 } 2396 }
2611 2397
2612 /*** copy inventory ***/
2613 for (item = src->inv; item; item = item->below) 2398 for (item = src->inv; item; item = item->below)
2614 {
2615 (void) insert_ob_in_ob (object_create_clone (item), dst); 2399 insert_ob_in_ob (object_create_clone (item), dst);
2616 }
2617 2400
2618 return dst; 2401 return dst;
2619}
2620
2621/* return true if the object was destroyed, 0 otherwise */
2622int
2623was_destroyed (const object *op, tag_t old_tag)
2624{
2625 /* checking for FLAG_FREED isn't necessary, but makes this function more
2626 * robust */
2627 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2628}
2629
2630/* GROS - Creates an object using a string representing its content. */
2631
2632/* Basically, we save the content of the string to a temp file, then call */
2633
2634/* load_object on it. I admit it is a highly inefficient way to make things, */
2635
2636/* but it was simple to make and allows reusing the load_object function. */
2637
2638/* Remember not to use load_object_str in a time-critical situation. */
2639
2640/* Also remember that multiparts objects are not supported for now. */
2641
2642object *
2643load_object_str (const char *obstr)
2644{
2645 object *
2646 op;
2647 char
2648 filename[MAX_BUF];
2649
2650 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2651
2652 FILE *
2653 tempfile = fopen (filename, "w");
2654
2655 if (tempfile == NULL)
2656 {
2657 LOG (llevError, "Error - Unable to access load object temp file\n");
2658 return NULL;
2659 };
2660 fprintf (tempfile, obstr);
2661 fclose (tempfile);
2662
2663 op = get_object ();
2664
2665 object_thawer thawer (filename);
2666
2667 if (thawer)
2668 load_object (thawer, op, 0);
2669
2670 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2671 CLEAR_FLAG (op, FLAG_REMOVED);
2672
2673 return op;
2674} 2402}
2675 2403
2676/* This returns the first object in who's inventory that 2404/* This returns the first object in who's inventory that
2677 * has the same type and subtype match. 2405 * has the same type and subtype match.
2678 * returns NULL if no match. 2406 * returns NULL if no match.
2679 */ 2407 */
2680object * 2408object *
2681find_obj_by_type_subtype (const object *who, int type, int subtype) 2409find_obj_by_type_subtype (const object *who, int type, int subtype)
2682{ 2410{
2683 object *
2684 tmp;
2685
2686 for (tmp = who->inv; tmp; tmp = tmp->below) 2411 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2687 if (tmp->type == type && tmp->subtype == subtype) 2412 if (tmp->type == type && tmp->subtype == subtype)
2688 return tmp; 2413 return tmp;
2689 2414
2690 return NULL; 2415 return 0;
2691} 2416}
2692 2417
2693/* If ob has a field named key, return the link from the list, 2418/* If ob has a field named key, return the link from the list,
2694 * otherwise return NULL. 2419 * otherwise return NULL.
2695 * 2420 *
… …
2697 * do the desired thing. 2422 * do the desired thing.
2698 */ 2423 */
2699key_value * 2424key_value *
2700get_ob_key_link (const object *ob, const char *key) 2425get_ob_key_link (const object *ob, const char *key)
2701{ 2426{
2702 key_value *
2703 link;
2704
2705 for (link = ob->key_values; link != NULL; link = link->next) 2427 for (key_value *link = ob->key_values; link; link = link->next)
2706 {
2707 if (link->key == key) 2428 if (link->key == key)
2708 {
2709 return link; 2429 return link;
2710 }
2711 }
2712 2430
2713 return NULL; 2431 return 0;
2714} 2432}
2715 2433
2716/* 2434/*
2717 * Returns the value of op has an extra_field for key, or NULL. 2435 * Returns the value of op has an extra_field for key, or NULL.
2718 * 2436 *
… …
2721 * The returned string is shared. 2439 * The returned string is shared.
2722 */ 2440 */
2723const char * 2441const char *
2724get_ob_key_value (const object *op, const char *const key) 2442get_ob_key_value (const object *op, const char *const key)
2725{ 2443{
2726 key_value * 2444 key_value *link;
2727 link; 2445 shstr_cmp canonical_key (key);
2728 const char *
2729 canonical_key;
2730 2446
2731 canonical_key = shstr::find (key);
2732
2733 if (canonical_key == NULL) 2447 if (!canonical_key)
2734 { 2448 {
2735 /* 1. There being a field named key on any object 2449 /* 1. There being a field named key on any object
2736 * implies there'd be a shared string to find. 2450 * implies there'd be a shared string to find.
2737 * 2. Since there isn't, no object has this field. 2451 * 2. Since there isn't, no object has this field.
2738 * 3. Therefore, *this* object doesn't have this field. 2452 * 3. Therefore, *this* object doesn't have this field.
2739 */ 2453 */
2740 return NULL; 2454 return 0;
2741 } 2455 }
2742 2456
2743 /* This is copied from get_ob_key_link() above - 2457 /* This is copied from get_ob_key_link() above -
2744 * only 4 lines, and saves the function call overhead. 2458 * only 4 lines, and saves the function call overhead.
2745 */ 2459 */
2746 for (link = op->key_values; link != NULL; link = link->next) 2460 for (link = op->key_values; link; link = link->next)
2747 {
2748 if (link->key == canonical_key) 2461 if (link->key == canonical_key)
2749 {
2750 return link->value; 2462 return link->value;
2751 } 2463
2752 }
2753 return NULL; 2464 return 0;
2754} 2465}
2755
2756 2466
2757/* 2467/*
2758 * Updates the canonical_key in op to value. 2468 * Updates the canonical_key in op to value.
2759 * 2469 *
2760 * canonical_key is a shared string (value doesn't have to be). 2470 * canonical_key is a shared string (value doesn't have to be).
… …
2765 * Returns TRUE on success. 2475 * Returns TRUE on success.
2766 */ 2476 */
2767int 2477int
2768set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key) 2478set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2769{ 2479{
2770 key_value *
2771 field = NULL, *last = NULL; 2480 key_value *field = NULL, *last = NULL;
2772 2481
2773 for (field = op->key_values; field != NULL; field = field->next) 2482 for (field = op->key_values; field != NULL; field = field->next)
2774 { 2483 {
2775 if (field->key != canonical_key) 2484 if (field->key != canonical_key)
2776 { 2485 {
… …
2785 /* Basically, if the archetype has this key set, 2494 /* Basically, if the archetype has this key set,
2786 * we need to store the null value so when we save 2495 * we need to store the null value so when we save
2787 * it, we save the empty value so that when we load, 2496 * it, we save the empty value so that when we load,
2788 * we get this value back again. 2497 * we get this value back again.
2789 */ 2498 */
2790 if (get_ob_key_link (&op->arch->clone, canonical_key)) 2499 if (get_ob_key_link (op->arch, canonical_key))
2791 field->value = 0; 2500 field->value = 0;
2792 else 2501 else
2793 { 2502 {
2794 if (last) 2503 if (last)
2795 last->next = field->next; 2504 last->next = field->next;
… …
2804 /* IF we get here, key doesn't exist */ 2513 /* IF we get here, key doesn't exist */
2805 2514
2806 /* No field, we'll have to add it. */ 2515 /* No field, we'll have to add it. */
2807 2516
2808 if (!add_key) 2517 if (!add_key)
2809 {
2810 return FALSE; 2518 return FALSE;
2811 } 2519
2812 /* There isn't any good reason to store a null 2520 /* There isn't any good reason to store a null
2813 * value in the key/value list. If the archetype has 2521 * value in the key/value list. If the archetype has
2814 * this key, then we should also have it, so shouldn't 2522 * this key, then we should also have it, so shouldn't
2815 * be here. If user wants to store empty strings, 2523 * be here. If user wants to store empty strings,
2816 * should pass in "" 2524 * should pass in ""
… …
2844 shstr key_ (key); 2552 shstr key_ (key);
2845 2553
2846 return set_ob_key_value_s (op, key_, value, add_key); 2554 return set_ob_key_value_s (op, key_, value, add_key);
2847} 2555}
2848 2556
2557object::depth_iterator::depth_iterator (object *container)
2558: iterator_base (container)
2559{
2560 while (item->inv)
2561 item = item->inv;
2562}
2563
2849void 2564void
2850object::deep_iterator::next () 2565object::depth_iterator::next ()
2851{ 2566{
2852 if (item->inv)
2853 item = item->inv;
2854 else if (item->below) 2567 if (item->below)
2568 {
2855 item = item->below; 2569 item = item->below;
2570
2571 while (item->inv)
2572 item = item->inv;
2573 }
2856 else 2574 else
2857 item = item->env->below; 2575 item = item->env;
2858} 2576}
2577
2578const char *
2579object::flag_desc (char *desc, int len) const
2580{
2581 char *p = desc;
2582 bool first = true;
2583
2584 *p = 0;
2585
2586 for (int i = 0; i < NUM_FLAGS; i++)
2587 {
2588 if (len <= 10) // magic constant!
2589 {
2590 snprintf (p, len, ",...");
2591 break;
2592 }
2593
2594 if (flag [i])
2595 {
2596 int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
2597 len -= cnt;
2598 p += cnt;
2599 first = false;
2600 }
2601 }
2602
2603 return desc;
2604}
2605
2606// return a suitable string describing an object in enough detail to find it
2607const char *
2608object::debug_desc (char *info) const
2609{
2610 char flagdesc[512];
2611 char info2[256 * 4];
2612 char *p = info;
2613
2614 p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2615 count, uuid.seq,
2616 &name,
2617 title ? "\",title:\"" : "",
2618 title ? (const char *)title : "",
2619 flag_desc (flagdesc, 512), type);
2620
2621 if (!this->flag[FLAG_REMOVED] && env)
2622 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2623
2624 if (map)
2625 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2626
2627 return info;
2628}
2629
2630const char *
2631object::debug_desc () const
2632{
2633 static char info[3][256 * 4];
2634 static int info_idx;
2635
2636 return debug_desc (info [++info_idx % 3]);
2637}
2638
2639struct region *
2640object::region () const
2641{
2642 return map ? map->region (x, y)
2643 : region::default_region ();
2644}
2645
2646const materialtype_t *
2647object::dominant_material () const
2648{
2649 if (materialtype_t *mt = name_to_material (materialname))
2650 return mt;
2651
2652 return name_to_material (shstr_unknown);
2653}
2654
2655void
2656object::open_container (object *new_container)
2657{
2658 if (container == new_container)
2659 return;
2660
2661 if (object *old_container = container)
2662 {
2663 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2664 return;
2665
2666#if 0
2667 // remove the "Close old_container" object.
2668 if (object *closer = old_container->inv)
2669 if (closer->type == CLOSE_CON)
2670 closer->destroy ();
2671#endif
2672
2673 old_container->flag [FLAG_APPLIED] = 0;
2674 container = 0;
2675
2676 esrv_update_item (UPD_FLAGS, this, old_container);
2677 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2678 play_sound (sound_find ("chest_close"));
2679 }
2680
2681 if (new_container)
2682 {
2683 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
2684 return;
2685
2686 // TODO: this does not seem to serve any purpose anymore?
2687#if 0
2688 // insert the "Close Container" object.
2689 if (archetype *closer = new_container->other_arch)
2690 {
2691 object *closer = arch_to_object (new_container->other_arch);
2692 closer->flag [FLAG_NO_MAP_SAVE] = 1;
2693 new_container->insert (closer);
2694 }
2695#endif
2696
2697 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2698
2699 new_container->flag [FLAG_APPLIED] = 1;
2700 container = new_container;
2701
2702 esrv_update_item (UPD_FLAGS, this, new_container);
2703 esrv_send_inventory (this, new_container);
2704 play_sound (sound_find ("chest_open"));
2705 }
2706}
2707
2708object *
2709object::force_find (const shstr name)
2710{
2711 /* cycle through his inventory to look for the MARK we want to
2712 * place
2713 */
2714 for (object *tmp = inv; tmp; tmp = tmp->below)
2715 if (tmp->type == FORCE && tmp->slaying == name)
2716 return splay (tmp);
2717
2718 return 0;
2719}
2720
2721void
2722object::force_add (const shstr name, int duration)
2723{
2724 if (object *force = force_find (name))
2725 force->destroy ();
2726
2727 object *force = get_archetype (FORCE_NAME);
2728
2729 force->slaying = name;
2730 force->stats.food = 1;
2731 force->speed_left = -1.f;
2732
2733 force->set_speed (duration ? 1.f / duration : 0.f);
2734 force->flag [FLAG_IS_USED_UP] = true;
2735 force->flag [FLAG_APPLIED] = true;
2736
2737 insert (force);
2738}
2739
2740void
2741object::play_sound (faceidx sound) const
2742{
2743 if (!sound)
2744 return;
2745
2746 if (flag [FLAG_REMOVED])
2747 return;
2748
2749 if (env)
2750 {
2751 if (object *pl = in_player ())
2752 pl->contr->play_sound (sound);
2753 }
2754 else
2755 map->play_sound (sound, x, y);
2756}
2757

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