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Comparing deliantra/server/common/object.C (file contents):
Revision 1.175 by root, Fri Aug 10 01:47:52 2007 UTC vs.
Revision 1.222 by root, Wed Apr 30 05:06:36 2008 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 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,
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, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 22 */
23 23
24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25 sub/add_weight will transcend the environment updating the carrying
26 variable. */
27#include <global.h> 24#include <global.h>
28#include <stdio.h> 25#include <stdio.h>
29#include <sys/types.h> 26#include <sys/types.h>
30#include <sys/uio.h> 27#include <sys/uio.h>
31#include <object.h> 28#include <object.h>
32#include <funcpoint.h>
33#include <sproto.h> 29#include <sproto.h>
34#include <loader.h> 30#include <loader.h>
35 31
36#include <bitset> 32#include <bitset>
37 33
38int nrofallocobjects = 0; 34UUID UUID::cur;
39static UUID uuid; 35static uint64_t seq_next_save;
40const uint64 UUID_SKIP = 1<<19; 36static const uint64 UUID_GAP = 1<<19;
41 37
42objectvec objects; 38objectvec objects;
43activevec actives; 39activevec actives;
44 40
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, 41short freearr_x[SIZEOFFREE] = {
42 0,
43 0, 1, 1, 1, 0, -1, -1, -1,
44 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -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 45 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47}; 46};
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, 47short freearr_y[SIZEOFFREE] = {
48 0,
49 -1, -1, 0, 1, 1, 1, 0, -1,
50 -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49 -3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3 51 -3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50}; 52};
51int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 53int maxfree[SIZEOFFREE] = {
54 0,
55 9, 10, 13, 14, 17, 18, 21, 22,
56 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
52 48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49 57 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53}; 58};
54int freedir[SIZEOFFREE] = { 59int freedir[SIZEOFFREE] = {
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, 60 0,
61 1, 2, 3, 4, 5, 6, 7, 8,
62 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 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 63 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57}; 64};
58 65
59static void 66static void
60write_uuid (void) 67write_uuid (uval64 skip, bool sync)
61{ 68{
62 char filename1[MAX_BUF], filename2[MAX_BUF]; 69 CALL_BEGIN (2);
63 70 CALL_ARG_SV (newSVval64 (skip));
64 sprintf (filename1, "%s/uuid", settings.localdir); 71 CALL_ARG_SV (boolSV (sync));
65 sprintf (filename2, "%s/uuid~", settings.localdir); 72 CALL_CALL ("cf::write_uuid", G_DISCARD);
66 73 CALL_END;
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} 74}
79 75
80static void 76static void
81read_uuid (void) 77read_uuid (void)
82{ 78{
83 char filename[MAX_BUF]; 79 char filename[MAX_BUF];
84 80
85 sprintf (filename, "%s/uuid", settings.localdir); 81 sprintf (filename, "%s/uuid", settings.localdir);
82
83 seq_next_save = 0;
86 84
87 FILE *fp; 85 FILE *fp;
88 86
89 if (!(fp = fopen (filename, "r"))) 87 if (!(fp = fopen (filename, "r")))
90 { 88 {
91 if (errno == ENOENT) 89 if (errno == ENOENT)
92 { 90 {
93 LOG (llevInfo, "RESET uid to 1\n"); 91 LOG (llevInfo, "RESET uid to 1\n");
94 uuid.seq = 0; 92 UUID::cur.seq = 0;
95 write_uuid (); 93 write_uuid (UUID_GAP, true);
96 return; 94 return;
97 } 95 }
98 96
99 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename); 97 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100 _exit (1); 98 _exit (1);
101 } 99 }
102 100
103 int version; 101 UUID::BUF buf;
104 unsigned long long uid; 102 buf[0] = 0;
105 if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1) 103 fgets (buf, sizeof (buf), fp);
104
105 if (!UUID::cur.parse (buf))
106 { 106 {
107 LOG (llevError, "FATAL: error reading uid from %s!\n", filename); 107 LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108 _exit (1); 108 _exit (1);
109 } 109 }
110 110
111 uuid.seq = uid; 111 LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112 write_uuid (); 112
113 LOG (llevDebug, "read UID: %" PRId64 "\n", uid); 113 write_uuid (UUID_GAP, true);
114 fclose (fp); 114 fclose (fp);
115} 115}
116 116
117UUID 117UUID
118gen_uuid () 118UUID::gen ()
119{ 119{
120 UUID uid; 120 UUID uid;
121 121
122 uid.seq = ++uuid.seq; 122 uid.seq = ++cur.seq;
123 123
124 if (!(uuid.seq & (UUID_SKIP - 1))) 124 if (expect_false (cur.seq >= seq_next_save))
125 write_uuid (); 125 {
126 seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
127 write_uuid (UUID_GAP, false);
128 }
129
126 130
127 return uid; 131 return uid;
128} 132}
129 133
130void 134void
131init_uuid () 135UUID::init ()
132{ 136{
133 read_uuid (); 137 read_uuid ();
134} 138}
135 139
136/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 140/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137static int 141static bool
138compare_ob_value_lists_one (const object *wants, const object *has) 142compare_ob_value_lists_one (const object *wants, const object *has)
139{ 143{
140 key_value *wants_field; 144 key_value *wants_field;
141 145
142 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both 146 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
150 key_value *has_field; 154 key_value *has_field;
151 155
152 /* Look for a field in has with the same key. */ 156 /* Look for a field in has with the same key. */
153 has_field = get_ob_key_link (has, wants_field->key); 157 has_field = get_ob_key_link (has, wants_field->key);
154 158
155 if (has_field == NULL) 159 if (!has_field)
156 {
157 /* No field with that name. */ 160 return 0; /* No field with that name. */
158 return FALSE;
159 }
160 161
161 /* Found the matching field. */ 162 /* Found the matching field. */
162 if (has_field->value != wants_field->value) 163 if (has_field->value != wants_field->value)
163 {
164 /* Values don't match, so this half of the comparison is false. */ 164 return 0; /* Values don't match, so this half of the comparison is false. */
165 return FALSE;
166 }
167 165
168 /* If we get here, we found a match. Now for the next field in wants. */ 166 /* If we get here, we found a match. Now for the next field in wants. */
169 } 167 }
170 168
171 /* If we get here, every field in wants has a matching field in has. */ 169 /* If we get here, every field in wants has a matching field in has. */
172 return TRUE; 170 return 1;
173} 171}
174 172
175/* Returns TRUE if ob1 has the same key_values as ob2. */ 173/* Returns TRUE if ob1 has the same key_values as ob2. */
176static int 174static bool
177compare_ob_value_lists (const object *ob1, const object *ob2) 175compare_ob_value_lists (const object *ob1, const object *ob2)
178{ 176{
179 /* However, there may be fields in has which aren't partnered in wants, 177 /* However, there may be fields in has which aren't partnered in wants,
180 * so we need to run the comparison *twice*. :( 178 * so we need to run the comparison *twice*. :(
181 */ 179 */
202 || ob1->speed != ob2->speed 200 || ob1->speed != ob2->speed
203 || ob1->value != ob2->value 201 || ob1->value != ob2->value
204 || ob1->name != ob2->name) 202 || ob1->name != ob2->name)
205 return 0; 203 return 0;
206 204
207 //TODO: this ain't working well, use nicer and correct overflow check 205 /* Do not merge objects if nrof would overflow. First part checks
208 /* Do not merge objects if nrof would overflow. We use 1UL<<31 since that 206 * for unsigned overflow (2c), second part checks whether the result
209 * value could not be stored in a sint32 (which unfortunately sometimes is 207 * would fit into a 32 bit signed int, which is often used to hold
210 * used to store nrof). 208 * nrof values.
211 */ 209 */
212 if (ob1->nrof + ob2->nrof >= 1UL << 31) 210 if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213 return 0; 211 return 0;
214 212
215 /* If the objects have been identified, set the BEEN_APPLIED flag. 213 /* If the objects have been identified, set the BEEN_APPLIED flag.
216 * This is to the comparison of the flags below will be OK. We 214 * This is to the comparison of the flags below will be OK. We
217 * just can't ignore the been applied or identified flags, as they 215 * just can't ignore the been applied or identified flags, as they
218 * are not equal - just if it has been identified, the been_applied 216 * are not equal - just if it has been identified, the been_applied
219 * flags lose any meaning. 217 * flags lose any meaning.
220 */ 218 */
221 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED)) 219 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 220 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223 221
224 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 222 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 223 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226 224
227 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any () 225 if (ob1->arch->name != ob2->arch->name
228 || ob1->arch != ob2->arch
229 || ob1->name != ob2->name 226 || ob1->name != ob2->name
230 || ob1->title != ob2->title 227 || ob1->title != ob2->title
231 || ob1->msg != ob2->msg 228 || ob1->msg != ob2->msg
232 || ob1->weight != ob2->weight 229 || ob1->weight != ob2->weight
233 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235 || ob1->attacktype != ob2->attacktype 230 || ob1->attacktype != ob2->attacktype
236 || ob1->magic != ob2->magic 231 || ob1->magic != ob2->magic
237 || ob1->slaying != ob2->slaying 232 || ob1->slaying != ob2->slaying
238 || ob1->skill != ob2->skill 233 || ob1->skill != ob2->skill
239 || ob1->value != ob2->value 234 || ob1->value != ob2->value
246 || ob1->move_block != ob2->move_block 241 || ob1->move_block != ob2->move_block
247 || ob1->move_allow != ob2->move_allow 242 || ob1->move_allow != ob2->move_allow
248 || ob1->move_on != ob2->move_on 243 || ob1->move_on != ob2->move_on
249 || ob1->move_off != ob2->move_off 244 || ob1->move_off != ob2->move_off
250 || ob1->move_slow != ob2->move_slow 245 || ob1->move_slow != ob2->move_slow
251 || ob1->move_slow_penalty != ob2->move_slow_penalty) 246 || ob1->move_slow_penalty != ob2->move_slow_penalty
247 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
248 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252 return 0; 249 return 0;
253 250
251 if ((ob1->flag ^ ob2->flag)
252 .reset (FLAG_INV_LOCKED)
253 .reset (FLAG_CLIENT_SENT)
254 .reset (FLAG_REMOVED)
255 .any ())
256 return 0;
257
254 /* This is really a spellbook check - really, we should 258 /* This is really a spellbook check - we should in general
255 * check all objects in the inventory. 259 * not merge objects with real inventories, as splitting them
260 * is hard.
256 */ 261 */
257 if (ob1->inv || ob2->inv) 262 if (ob1->inv || ob2->inv)
258 { 263 {
259 /* if one object has inventory but the other doesn't, not equiv */ 264 if (!(ob1->inv && ob2->inv))
260 if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv)) 265 return 0; /* inventories differ in length */
261 return 0;
262 266
263 /* Now check to see if the two inventory objects could merge */ 267 if (ob1->inv->below || ob2->inv->below)
268 return 0; /* more than one object in inv */
269
264 if (!object::can_merge (ob1->inv, ob2->inv)) 270 if (!object::can_merge (ob1->inv, ob2->inv))
265 return 0; 271 return 0; /* inventory objects differ */
266 272
267 /* inventory ok - still need to check rest of this object to see 273 /* inventory ok - still need to check rest of this object to see
268 * if it is valid. 274 * if it is valid.
269 */ 275 */
270 } 276 }
289 if (ob1->level != ob2->level) 295 if (ob1->level != ob2->level)
290 return 0; 296 return 0;
291 break; 297 break;
292 } 298 }
293 299
294 if (ob1->key_values != NULL || ob2->key_values != NULL) 300 if (ob1->key_values || ob2->key_values)
295 { 301 {
296 /* At least one of these has key_values. */ 302 /* At least one of these has key_values. */
297 if ((ob1->key_values == NULL) != (ob2->key_values == NULL)) 303 if ((!ob1->key_values) != (!ob2->key_values))
298 /* One has fields, but the other one doesn't. */ 304 return 0; /* One has fields, but the other one doesn't. */
299 return 0; 305
300 else if (!compare_ob_value_lists (ob1, ob2)) 306 if (!compare_ob_value_lists (ob1, ob2))
301 return 0; 307 return 0;
302 } 308 }
303 309
304 if (ob1->self || ob2->self) 310 if (ob1->self || ob2->self)
305 { 311 {
306 ob1->optimise (); 312 ob1->optimise ();
307 ob2->optimise (); 313 ob2->optimise ();
308 314
309 if (ob1->self || ob2->self) 315 if (ob1->self || ob2->self)
316 {
317 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
318 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
319
320 if (k1 != k2)
321 return 0;
322
323 if (k1 == 0)
324 return 1;
325
310 if (!cfperl_can_merge (ob1, ob2)) 326 if (!cfperl_can_merge (ob1, ob2))
311 return 0; 327 return 0;
328 }
312 } 329 }
313 330
314 /* Everything passes, must be OK. */ 331 /* Everything passes, must be OK. */
315 return 1; 332 return 1;
316} 333}
317 334
335// find player who can see this object
336object *
337object::visible_to () const
338{
339 if (client_visible () && !flag [FLAG_REMOVED])
340 {
341 // see if we are in a container of sorts
342 if (env)
343 {
344 // the player inventory itself is always visible
345 if (env->type == PLAYER)
346 return env;
347
348 // else a player could have our env open
349 object *envest = env->outer_env ();
350
351 // the player itself is always on a map, so we will find him here
352 // even if our inv is in a player.
353 if (envest->is_on_map ())
354 if (object *pl = envest->ms ().player ())
355 if (pl->container == env)
356 return pl;
357 }
358 else
359 {
360 // maybe there is a player standing on the same mapspace
361 // this will catch the case where "this" is a player
362 if (object *pl = ms ().player ())
363 if (!pl->container || this == pl->container)
364 return pl;
365 }
366 }
367
368 return 0;
369}
370
371// adjust weight per container type ("of holding")
372static sint32
373weight_adjust (object *op, sint32 weight)
374{
375 return op->type == CONTAINER
376 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
377 : weight;
378}
379
318/* 380/*
381 * adjust_weight(object, weight) adds the specified weight to an object,
382 * and also updates how much the environment(s) is/are carrying.
383 */
384static void
385adjust_weight (object *op, sint32 weight)
386{
387 while (op)
388 {
389 weight = weight_adjust (op, weight);
390
391 if (!weight)
392 return;
393
394 op->carrying += weight;
395
396 if (object *pl = op->visible_to ())
397 if (pl != op) // player is handled lazily
398 esrv_update_item (UPD_WEIGHT, pl, op);
399
400 op = op->env;
401 }
402}
403
404/*
319 * sum_weight() is a recursive function which calculates the weight 405 * this is a recursive function which calculates the weight
320 * an object is carrying. It goes through in figures out how much 406 * an object is carrying. It goes through op and figures out how much
321 * containers are carrying, and sums it up. 407 * containers are carrying, and sums it up.
322 */ 408 */
323long 409void
324sum_weight (object *op) 410object::update_weight ()
325{ 411{
326 long sum; 412 sint32 sum = 0;
327 object *inv;
328 413
329 for (sum = 0, inv = op->inv; inv; inv = inv->below) 414 for (object *op = inv; op; op = op->below)
330 { 415 {
331 if (inv->inv) 416 if (op->inv)
332 sum_weight (inv); 417 op->update_weight ();
333 418
334 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 419 sum += op->total_weight ();
420 }
421
422 sum = weight_adjust (this, sum);
423
424 if (sum != carrying)
335 } 425 {
336
337 if (op->type == CONTAINER && op->stats.Str)
338 sum = (sum * (100 - op->stats.Str)) / 100;
339
340 if (op->carrying != sum)
341 op->carrying = sum; 426 carrying = sum;
342 427
343 return sum; 428 if (object *pl = visible_to ())
429 if (pl != this) // player is handled lazily
430 esrv_update_item (UPD_WEIGHT, pl, this);
431 }
344} 432}
345 433
346/** 434/*
347 * Return the outermost environment object for a given object. 435 * Used by: Server DM commands: dumpbelow, dump. Some error messages.
348 */
349
350object *
351object_get_env_recursive (object *op)
352{
353 while (op->env != NULL)
354 op = op->env;
355 return op;
356}
357
358/*
359 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
360 * Some error messages.
361 * The result of the dump is stored in the static global errmsg array.
362 */ 436 */
363char * 437char *
364dump_object (object *op) 438dump_object (object *op)
365{ 439{
366 if (!op) 440 if (!op)
374/* 448/*
375 * get_nearest_part(multi-object, object 2) returns the part of the 449 * get_nearest_part(multi-object, object 2) returns the part of the
376 * multi-object 1 which is closest to the second object. 450 * multi-object 1 which is closest to the second object.
377 * If it's not a multi-object, it is returned. 451 * If it's not a multi-object, it is returned.
378 */ 452 */
379
380object * 453object *
381get_nearest_part (object *op, const object *pl) 454get_nearest_part (object *op, const object *pl)
382{ 455{
383 object *tmp, *closest; 456 object *tmp, *closest;
384 int last_dist, i; 457 int last_dist, i;
385 458
386 if (op->more == NULL) 459 if (!op->more)
387 return op; 460 return op;
461
388 for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more) 462 for (last_dist = distance (op, pl), closest = op, tmp = op->more;
463 tmp;
464 tmp = tmp->more)
389 if ((i = distance (tmp, pl)) < last_dist) 465 if ((i = distance (tmp, pl)) < last_dist)
390 closest = tmp, last_dist = i; 466 closest = tmp, last_dist = i;
467
391 return closest; 468 return closest;
392} 469}
393 470
394/* 471/*
395 * Returns the object which has the count-variable equal to the argument. 472 * Returns the object which has the count-variable equal to the argument.
473 * VERRRY slow.
396 */ 474 */
397object * 475object *
398find_object (tag_t i) 476find_object (tag_t i)
399{ 477{
400 for_all_objects (op) 478 for_all_objects (op)
420 break; 498 break;
421 499
422 return op; 500 return op;
423} 501}
424 502
425void
426free_all_object_data ()
427{
428 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429}
430
431/* 503/*
432 * Sets the owner and sets the skill and exp pointers to owner's current 504 * Sets the owner and sets the skill and exp pointers to owner's current
433 * skill and experience objects. 505 * skill and experience objects.
506 * ACTUALLY NO! investigate! TODO
434 */ 507 */
435void 508void
436object::set_owner (object *owner) 509object::set_owner (object *owner)
437{ 510{
511 // allow objects which own objects
438 if (!owner) 512 if (owner)
439 return;
440
441 /* next line added to allow objects which own objects */
442 /* Add a check for ownercounts in here, as I got into an endless loop
443 * with the fireball owning a poison cloud which then owned the
444 * fireball. I believe that was caused by one of the objects getting
445 * freed and then another object replacing it. Since the ownercounts
446 * didn't match, this check is valid and I believe that cause is valid.
447 */
448 while (owner->owner) 513 while (owner->owner)
449 owner = owner->owner; 514 owner = owner->owner;
515
516 if (flag [FLAG_FREED])
517 {
518 LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
519 return;
520 }
450 521
451 this->owner = owner; 522 this->owner = owner;
452} 523}
453 524
454int 525int
586object::copy_to (object *dst) 657object::copy_to (object *dst)
587{ 658{
588 *dst = *this; 659 *dst = *this;
589 660
590 if (speed < 0) 661 if (speed < 0)
591 dst->speed_left = speed_left - rndm (); 662 dst->speed_left -= rndm ();
592 663
593 dst->set_speed (dst->speed); 664 dst->set_speed (dst->speed);
594} 665}
595 666
596void 667void
597object::instantiate () 668object::instantiate ()
598{ 669{
599 if (!uuid.seq) // HACK 670 if (!uuid.seq) // HACK
600 uuid = gen_uuid (); 671 uuid = UUID::gen ();
601 672
602 speed_left = -0.1f; 673 speed_left = -0.1f;
603 /* copy the body_info to the body_used - this is only really 674 /* copy the body_info to the body_used - this is only really
604 * need for monsters, but doesn't hurt to do it for everything. 675 * need for monsters, but doesn't hurt to do it for everything.
605 * by doing so, when a monster is created, it has good starting 676 * by doing so, when a monster is created, it has good starting
675 * UP_OBJ_FACE: only the objects face has changed. 746 * UP_OBJ_FACE: only the objects face has changed.
676 */ 747 */
677void 748void
678update_object (object *op, int action) 749update_object (object *op, int action)
679{ 750{
680 if (op == NULL) 751 if (!op)
681 { 752 {
682 /* this should never happen */ 753 /* this should never happen */
683 LOG (llevDebug, "update_object() called for NULL object.\n"); 754 LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
684 return; 755 return;
685 } 756 }
686 757
687 if (op->env) 758 if (!op->is_on_map ())
688 { 759 {
689 /* Animation is currently handled by client, so nothing 760 /* Animation is currently handled by client, so nothing
690 * to do in this case. 761 * to do in this case.
691 */ 762 */
692 return; 763 return;
693 } 764 }
694
695 /* If the map is saving, don't do anything as everything is
696 * going to get freed anyways.
697 */
698 if (!op->map || op->map->in_memory == MAP_SAVING)
699 return;
700 765
701 /* make sure the object is within map boundaries */ 766 /* make sure the object is within map boundaries */
702 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height) 767 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
703 { 768 {
704 LOG (llevError, "update_object() called for object out of map!\n"); 769 LOG (llevError, "update_object() called for object out of map!\n");
764static int object_count; 829static int object_count;
765 830
766void object::link () 831void object::link ()
767{ 832{
768 assert (!index);//D 833 assert (!index);//D
769 uuid = gen_uuid (); 834 uuid = UUID::gen ();
770 count = ++object_count; 835 count = ++object_count;
771 836
772 refcnt_inc (); 837 refcnt_inc ();
773 objects.insert (this); 838 objects.insert (this);
774} 839}
847object::destroy_inv (bool drop_to_ground) 912object::destroy_inv (bool drop_to_ground)
848{ 913{
849 // need to check first, because the checks below might segfault 914 // need to check first, because the checks below might segfault
850 // as we might be on an invalid mapspace and crossfire code 915 // as we might be on an invalid mapspace and crossfire code
851 // is too buggy to ensure that the inventory is empty. 916 // is too buggy to ensure that the inventory is empty.
852 // corollary: if you create arrows etc. with stuff in tis inventory, 917 // corollary: if you create arrows etc. with stuff in its inventory,
853 // cf will crash below with off-map x and y 918 // cf will crash below with off-map x and y
854 if (!inv) 919 if (!inv)
855 return; 920 return;
856 921
857 /* Only if the space blocks everything do we not process - 922 /* Only if the space blocks everything do we not process -
858 * if some form of movement is allowed, let objects 923 * if some form of movement is allowed, let objects
859 * drop on that space. 924 * drop on that space.
860 */ 925 */
861 if (!drop_to_ground 926 if (!drop_to_ground
862 || !map 927 || !map
863 || map->in_memory != MAP_IN_MEMORY 928 || map->in_memory != MAP_ACTIVE
864 || map->nodrop 929 || map->nodrop
865 || ms ().move_block == MOVE_ALL) 930 || ms ().move_block == MOVE_ALL)
866 { 931 {
867 while (inv) 932 while (inv)
868 { 933 {
869 inv->destroy_inv (drop_to_ground); 934 inv->destroy_inv (false);
870 inv->destroy (); 935 inv->destroy ();
871 } 936 }
872 } 937 }
873 else 938 else
874 { /* Put objects in inventory onto this space */ 939 { /* Put objects in inventory onto this space */
880 || op->flag [FLAG_NO_DROP] 945 || op->flag [FLAG_NO_DROP]
881 || op->type == RUNE 946 || op->type == RUNE
882 || op->type == TRAP 947 || op->type == TRAP
883 || op->flag [FLAG_IS_A_TEMPLATE] 948 || op->flag [FLAG_IS_A_TEMPLATE]
884 || op->flag [FLAG_DESTROY_ON_DEATH]) 949 || op->flag [FLAG_DESTROY_ON_DEATH])
885 op->destroy (); 950 op->destroy (true);
886 else 951 else
887 map->insert (op, x, y); 952 map->insert (op, x, y);
888 } 953 }
889 } 954 }
890} 955}
897} 962}
898 963
899void 964void
900object::do_destroy () 965object::do_destroy ()
901{ 966{
902 attachable::do_destroy ();
903
904 if (flag [FLAG_IS_LINKED]) 967 if (flag [FLAG_IS_LINKED])
905 remove_button_link (this); 968 remove_button_link (this);
906 969
907 if (flag [FLAG_FRIENDLY]) 970 if (flag [FLAG_FRIENDLY])
908 remove_friendly_object (this); 971 remove_friendly_object (this);
909 972
910 if (!flag [FLAG_REMOVED])
911 remove (); 973 remove ();
912 974
913 destroy_inv (true); 975 attachable::do_destroy ();
914 976
915 deactivate (); 977 deactivate ();
916 unlink (); 978 unlink ();
917 979
918 flag [FLAG_FREED] = 1; 980 flag [FLAG_FREED] = 1;
923 985
924 if (!freed_map) 986 if (!freed_map)
925 { 987 {
926 freed_map = new maptile; 988 freed_map = new maptile;
927 989
990 freed_map->path = "<freed objects map>";
928 freed_map->name = "/internal/freed_objects_map"; 991 freed_map->name = "/internal/freed_objects_map";
929 freed_map->width = 3; 992 freed_map->width = 3;
930 freed_map->height = 3; 993 freed_map->height = 3;
994 freed_map->nodrop = 1;
931 995
932 freed_map->alloc (); 996 freed_map->alloc ();
933 freed_map->in_memory = MAP_IN_MEMORY; 997 freed_map->in_memory = MAP_ACTIVE;
934 } 998 }
935 999
936 map = freed_map; 1000 map = freed_map;
937 x = 1; 1001 x = 1;
938 y = 1; 1002 y = 1;
957object::destroy (bool destroy_inventory) 1021object::destroy (bool destroy_inventory)
958{ 1022{
959 if (destroyed ()) 1023 if (destroyed ())
960 return; 1024 return;
961 1025
1026 if (!is_head () && !head->destroyed ())
1027 {
1028 LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1029 head->destroy (destroy_inventory);
1030 }
1031
962 if (destroy_inventory) 1032 destroy_inv (!destroy_inventory);
963 destroy_inv (false);
964 1033
965 if (is_head ()) 1034 if (is_head ())
966 if (sound_destroy) 1035 if (sound_destroy)
967 play_sound (sound_destroy); 1036 play_sound (sound_destroy);
968 else if (flag [FLAG_MONSTER]) 1037 else if (flag [FLAG_MONSTER])
969 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism 1038 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
970 1039
971 attachable::destroy (); 1040 attachable::destroy ();
972}
973
974/*
975 * sub_weight() recursively (outwards) subtracts a number from the
976 * weight of an object (and what is carried by it's environment(s)).
977 */
978void
979sub_weight (object *op, signed long weight)
980{
981 while (op != NULL)
982 {
983 if (op->type == CONTAINER)
984 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
985
986 op->carrying -= weight;
987 op = op->env;
988 }
989} 1041}
990 1042
991/* op->remove (): 1043/* op->remove ():
992 * This function removes the object op from the linked list of objects 1044 * This function removes the object op from the linked list of objects
993 * which it is currently tied to. When this function is done, the 1045 * which it is currently tied to. When this function is done, the
999object::do_remove () 1051object::do_remove ()
1000{ 1052{
1001 object *tmp, *last = 0; 1053 object *tmp, *last = 0;
1002 object *otmp; 1054 object *otmp;
1003 1055
1004 if (QUERY_FLAG (this, FLAG_REMOVED)) 1056 if (flag [FLAG_REMOVED])
1005 return; 1057 return;
1006 1058
1007 SET_FLAG (this, FLAG_REMOVED);
1008 INVOKE_OBJECT (REMOVE, this); 1059 INVOKE_OBJECT (REMOVE, this);
1060
1061 flag [FLAG_REMOVED] = true;
1009 1062
1010 if (more) 1063 if (more)
1011 more->remove (); 1064 more->remove ();
1012 1065
1013 /* 1066 /*
1014 * In this case, the object to be removed is in someones 1067 * In this case, the object to be removed is in someones
1015 * inventory. 1068 * inventory.
1016 */ 1069 */
1017 if (env) 1070 if (env)
1018 { 1071 {
1072 flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1073 if (object *pl = visible_to ())
1074 esrv_del_item (pl->contr, count);
1075 flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1076
1077 adjust_weight (env, -total_weight ());
1078
1079 *(above ? &above->below : &env->inv) = below;
1080
1019 if (nrof) 1081 if (below)
1020 sub_weight (env, weight * nrof); 1082 below->above = above;
1021 else 1083
1022 sub_weight (env, weight + carrying); 1084 /* we set up values so that it could be inserted into
1085 * the map, but we don't actually do that - it is up
1086 * to the caller to decide what we want to do.
1087 */
1088 map = env->map;
1089 x = env->x;
1090 y = env->y;
1091 above = 0;
1092 below = 0;
1093 env = 0;
1023 1094
1024 /* NO_FIX_PLAYER is set when a great many changes are being 1095 /* NO_FIX_PLAYER is set when a great many changes are being
1025 * made to players inventory. If set, avoiding the call 1096 * made to players inventory. If set, avoiding the call
1026 * to save cpu time. 1097 * to save cpu time.
1027 */ 1098 */
1028 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1099 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1029 otmp->update_stats (); 1100 otmp->update_stats ();
1030
1031 if (above)
1032 above->below = below;
1033 else
1034 env->inv = below;
1035
1036 if (below)
1037 below->above = above;
1038
1039 /* we set up values so that it could be inserted into
1040 * the map, but we don't actually do that - it is up
1041 * to the caller to decide what we want to do.
1042 */
1043 x = env->x, y = env->y;
1044 map = env->map;
1045 above = 0, below = 0;
1046 env = 0;
1047 } 1101 }
1048 else if (map) 1102 else if (map)
1049 { 1103 {
1050 if (type == PLAYER)
1051 {
1052 // leaving a spot always closes any open container on the ground
1053 if (container && !container->env)
1054 // this causes spurious floorbox updates, but it ensures
1055 // that the CLOSE event is being sent.
1056 close_container ();
1057
1058 --map->players;
1059 map->touch ();
1060 }
1061
1062 map->dirty = true; 1104 map->dirty = true;
1063 mapspace &ms = this->ms (); 1105 mapspace &ms = this->ms ();
1106
1107 if (object *pl = ms.player ())
1108 {
1109 if (type == PLAYER) // this == pl(!)
1110 {
1111 // leaving a spot always closes any open container on the ground
1112 if (container && !container->env)
1113 // this causes spurious floorbox updates, but it ensures
1114 // that the CLOSE event is being sent.
1115 close_container ();
1116
1117 --map->players;
1118 map->touch ();
1119 }
1120 else if (pl->container == this)
1121 {
1122 // removing a container should close it
1123 close_container ();
1124 }
1125
1126 esrv_del_item (pl->contr, count);
1127 }
1064 1128
1065 /* link the object above us */ 1129 /* link the object above us */
1066 if (above) 1130 if (above)
1067 above->below = below; 1131 above->below = below;
1068 else 1132 else
1098 * removed (most likely destroyed), update the player view 1162 * removed (most likely destroyed), update the player view
1099 * appropriately. 1163 * appropriately.
1100 */ 1164 */
1101 pl->close_container (); 1165 pl->close_container ();
1102 1166
1103 pl->contr->ns->floorbox_update (); 1167 //TODO: the floorbox prev/next might need updating
1168 esrv_del_item (pl->contr, count);
1104 } 1169 }
1105 1170
1106 for (tmp = ms.bot; tmp; tmp = tmp->above) 1171 for (tmp = ms.bot; tmp; tmp = tmp->above)
1107 { 1172 {
1108 /* No point updating the players look faces if he is the object 1173 /* No point updating the players look faces if he is the object
1147merge_ob (object *op, object *top) 1212merge_ob (object *op, object *top)
1148{ 1213{
1149 if (!op->nrof) 1214 if (!op->nrof)
1150 return 0; 1215 return 0;
1151 1216
1152 if (top) 1217 if (!top)
1153 for (top = op; top && top->above; top = top->above) 1218 for (top = op; top && top->above; top = top->above)
1154 ; 1219 ;
1155 1220
1156 for (; top; top = top->below) 1221 for (; top; top = top->below)
1157 {
1158 if (top == op)
1159 continue;
1160
1161 if (object::can_merge (op, top)) 1222 if (object::can_merge (op, top))
1162 { 1223 {
1163 top->nrof += op->nrof; 1224 top->nrof += op->nrof;
1164 1225
1165/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/ 1226 if (object *pl = top->visible_to ())
1166 op->weight = 0; /* Don't want any adjustements now */ 1227 esrv_update_item (UPD_NROF, pl, top);
1228
1229 op->weight = 0; // cancel the addition above
1230 op->carrying = 0; // must be 0 already
1231
1167 op->destroy (); 1232 op->destroy (1);
1233
1168 return top; 1234 return top;
1169 } 1235 }
1170 }
1171 1236
1172 return 0; 1237 return 0;
1173} 1238}
1174 1239
1175void 1240void
1234object * 1299object *
1235insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1300insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1236{ 1301{
1237 assert (!op->flag [FLAG_FREED]); 1302 assert (!op->flag [FLAG_FREED]);
1238 1303
1239 object *top, *floor = NULL;
1240
1241 op->remove (); 1304 op->remove ();
1242
1243#if 0
1244 if (!m->active != !op->active)
1245 if (m->active)
1246 op->activate_recursive ();
1247 else
1248 op->deactivate_recursive ();
1249#endif
1250
1251 if (out_of_map (m, op->x, op->y))
1252 {
1253 LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1254#ifdef MANY_CORES
1255 /* Better to catch this here, as otherwise the next use of this object
1256 * is likely to cause a crash. Better to find out where it is getting
1257 * improperly inserted.
1258 */
1259 abort ();
1260#endif
1261 return op;
1262 }
1263
1264 if (object *more = op->more)
1265 if (!insert_ob_in_map (more, m, originator, flag))
1266 return 0;
1267
1268 CLEAR_FLAG (op, FLAG_REMOVED);
1269 1305
1270 /* Ideally, the caller figures this out. However, it complicates a lot 1306 /* Ideally, the caller figures this out. However, it complicates a lot
1271 * of areas of callers (eg, anything that uses find_free_spot would now 1307 * of areas of callers (eg, anything that uses find_free_spot would now
1272 * need extra work 1308 * need extra work
1273 */ 1309 */
1274 if (!xy_normalise (m, op->x, op->y)) 1310 if (!xy_normalise (m, op->x, op->y))
1311 {
1312 op->destroy (1);
1275 return 0; 1313 return 0;
1314 }
1315
1316 if (object *more = op->more)
1317 if (!insert_ob_in_map (more, m, originator, flag))
1318 return 0;
1319
1320 CLEAR_FLAG (op, FLAG_REMOVED);
1276 1321
1277 op->map = m; 1322 op->map = m;
1278 mapspace &ms = op->ms (); 1323 mapspace &ms = op->ms ();
1279 1324
1280 /* this has to be done after we translate the coordinates. 1325 /* this has to be done after we translate the coordinates.
1281 */ 1326 */
1282 if (op->nrof && !(flag & INS_NO_MERGE)) 1327 if (op->nrof && !(flag & INS_NO_MERGE))
1283 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1328 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1284 if (object::can_merge (op, tmp)) 1329 if (object::can_merge (op, tmp))
1285 { 1330 {
1331 // TODO: we atcually want to update tmp, not op,
1332 // but some caller surely breaks when we return tmp
1333 // from here :/
1286 op->nrof += tmp->nrof; 1334 op->nrof += tmp->nrof;
1287 tmp->destroy (); 1335 tmp->destroy (1);
1288 } 1336 }
1289 1337
1290 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1338 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1291 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1339 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1292 1340
1312 /* since *below* originator, no need to update top */ 1360 /* since *below* originator, no need to update top */
1313 originator->below = op; 1361 originator->below = op;
1314 } 1362 }
1315 else 1363 else
1316 { 1364 {
1365 object *top, *floor = NULL;
1366
1317 top = ms.bot; 1367 top = ms.bot;
1318 1368
1319 /* If there are other objects, then */ 1369 /* If there are other objects, then */
1320 if ((!(flag & INS_MAP_LOAD)) && top) 1370 if (top)
1321 { 1371 {
1322 object *last = 0; 1372 object *last = 0;
1323 1373
1324 /* 1374 /*
1325 * If there are multiple objects on this space, we do some trickier handling. 1375 * If there are multiple objects on this space, we do some trickier handling.
1377 */ 1427 */
1378 if (last && last->below && last != floor) 1428 if (last && last->below && last != floor)
1379 top = last->below; 1429 top = last->below;
1380 } 1430 }
1381 } /* If objects on this space */ 1431 } /* If objects on this space */
1382 if (flag & INS_MAP_LOAD)
1383 top = ms.top;
1384 1432
1385 if (flag & INS_ABOVE_FLOOR_ONLY) 1433 if (flag & INS_ABOVE_FLOOR_ONLY)
1386 top = floor; 1434 top = floor;
1387 1435
1388 /* Top is the object that our object (op) is going to get inserted above. 1436 /* Top is the object that our object (op) is going to get inserted above.
1421 op->map->touch (); 1469 op->map->touch ();
1422 } 1470 }
1423 1471
1424 op->map->dirty = true; 1472 op->map->dirty = true;
1425 1473
1426 /* If we have a floor, we know the player, if any, will be above
1427 * it, so save a few ticks and start from there.
1428 */
1429 if (!(flag & INS_MAP_LOAD))
1430 if (object *pl = ms.player ()) 1474 if (object *pl = ms.player ())
1431 pl->contr->ns->floorbox_update (); 1475 //TODO: the floorbox prev/next might need updating
1476 esrv_send_item (pl, op);
1432 1477
1433 /* If this object glows, it may affect lighting conditions that are 1478 /* If this object glows, it may affect lighting conditions that are
1434 * visible to others on this map. But update_all_los is really 1479 * visible to others on this map. But update_all_los is really
1435 * an inefficient way to do this, as it means los for all players 1480 * an inefficient way to do this, as it means los for all players
1436 * on the map will get recalculated. The players could very well 1481 * on the map will get recalculated. The players could very well
1478 * op is the object to insert it under: supplies x and the map. 1523 * op is the object to insert it under: supplies x and the map.
1479 */ 1524 */
1480void 1525void
1481replace_insert_ob_in_map (const char *arch_string, object *op) 1526replace_insert_ob_in_map (const char *arch_string, object *op)
1482{ 1527{
1483 object *tmp, *tmp1;
1484
1485 /* first search for itself and remove any old instances */ 1528 /* first search for itself and remove any old instances */
1486 1529
1487 for (tmp = op->ms ().bot; tmp; tmp = tmp->above) 1530 for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1488 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */ 1531 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1489 tmp->destroy (); 1532 tmp->destroy (1);
1490 1533
1491 tmp1 = arch_to_object (archetype::find (arch_string)); 1534 object *tmp = arch_to_object (archetype::find (arch_string));
1492 1535
1493 tmp1->x = op->x; 1536 tmp->x = op->x;
1494 tmp1->y = op->y; 1537 tmp->y = op->y;
1538
1495 insert_ob_in_map (tmp1, op->map, op, 0); 1539 insert_ob_in_map (tmp, op->map, op, 0);
1496} 1540}
1497 1541
1498object * 1542object *
1499object::insert_at (object *where, object *originator, int flags) 1543object::insert_at (object *where, object *originator, int flags)
1500{ 1544{
1545 if (where->env)
1546 return where->env->insert (this);
1547 else
1501 return where->map->insert (this, where->x, where->y, originator, flags); 1548 return where->map->insert (this, where->x, where->y, originator, flags);
1502} 1549}
1503 1550
1504/* 1551/*
1505 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1506 * is returned contains nr objects, and the remaining parts contains
1507 * the rest (or is removed and freed if that number is 0).
1508 * On failure, NULL is returned, and the reason put into the
1509 * global static errmsg array.
1510 */
1511object *
1512get_split_ob (object *orig_ob, uint32 nr)
1513{
1514 object *newob;
1515 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1516
1517 if (orig_ob->nrof < nr)
1518 {
1519 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1520 return NULL;
1521 }
1522
1523 newob = object_create_clone (orig_ob);
1524
1525 if ((orig_ob->nrof -= nr) < 1)
1526 orig_ob->destroy (1);
1527 else if (!is_removed)
1528 {
1529 if (orig_ob->env != NULL)
1530 sub_weight (orig_ob->env, orig_ob->weight * nr);
1531 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1532 {
1533 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1534 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1535 return NULL;
1536 }
1537 }
1538
1539 newob->nrof = nr;
1540
1541 return newob;
1542}
1543
1544/*
1545 * decrease_ob_nr(object, number) decreases a specified number from 1552 * decrease(object, number) decreases a specified number from
1546 * the amount of an object. If the amount reaches 0, the object 1553 * the amount of an object. If the amount reaches 0, the object
1547 * is subsequently removed and freed. 1554 * is subsequently removed and freed.
1548 * 1555 *
1549 * Return value: 'op' if something is left, NULL if the amount reached 0 1556 * Return value: 'op' if something is left, NULL if the amount reached 0
1550 */ 1557 */
1558bool
1559object::decrease (sint32 nr)
1560{
1561 if (!nr)
1562 return true;
1563
1564 nr = min (nr, nrof);
1565
1566 nrof -= nr;
1567
1568 if (nrof)
1569 {
1570 adjust_weight (env, -weight * nr); // carrying == 0
1571
1572 if (object *pl = visible_to ())
1573 esrv_update_item (UPD_NROF, pl, this);
1574
1575 return true;
1576 }
1577 else
1578 {
1579 destroy (1);
1580 return false;
1581 }
1582}
1583
1584/*
1585 * split(ob,nr) splits up ob into two parts. The part which
1586 * is returned contains nr objects, and the remaining parts contains
1587 * the rest (or is removed and returned if that number is 0).
1588 * On failure, NULL is returned.
1589 */
1551object * 1590object *
1552decrease_ob_nr (object *op, uint32 i) 1591object::split (sint32 nr)
1553{ 1592{
1554 object *tmp; 1593 int have = number_of ();
1555 1594
1556 if (i == 0) /* objects with op->nrof require this check */ 1595 if (have < nr)
1557 return op; 1596 return 0;
1558 1597 else if (have == nr)
1559 if (i > op->nrof)
1560 i = op->nrof;
1561
1562 if (QUERY_FLAG (op, FLAG_REMOVED))
1563 op->nrof -= i;
1564 else if (op->env)
1565 { 1598 {
1566 /* is this object in the players inventory, or sub container
1567 * therein?
1568 */
1569 tmp = op->in_player ();
1570 /* nope. Is this a container the player has opened?
1571 * If so, set tmp to that player.
1572 * IMO, searching through all the players will mostly
1573 * likely be quicker than following op->env to the map,
1574 * and then searching the map for a player.
1575 */
1576 if (!tmp)
1577 for_all_players (pl)
1578 if (pl->ob->container == op->env)
1579 {
1580 tmp = pl->ob;
1581 break;
1582 }
1583
1584 if (i < op->nrof)
1585 {
1586 sub_weight (op->env, op->weight * i);
1587 op->nrof -= i;
1588 if (tmp)
1589 esrv_send_item (tmp, op);
1590 }
1591 else
1592 {
1593 op->remove (); 1599 remove ();
1594 op->nrof = 0; 1600 return this;
1595 if (tmp)
1596 esrv_del_item (tmp->contr, op->count);
1597 }
1598 } 1601 }
1599 else 1602 else
1600 { 1603 {
1601 object *above = op->above; 1604 decrease (nr);
1602 1605
1603 if (i < op->nrof) 1606 object *op = object_create_clone (this);
1604 op->nrof -= i; 1607 op->nrof = nr;
1605 else
1606 {
1607 op->remove ();
1608 op->nrof = 0;
1609 }
1610
1611 /* Since we just removed op, op->above is null */
1612 for (tmp = above; tmp; tmp = tmp->above)
1613 if (tmp->type == PLAYER)
1614 {
1615 if (op->nrof)
1616 esrv_send_item (tmp, op);
1617 else
1618 esrv_del_item (tmp->contr, op->count);
1619 }
1620 }
1621
1622 if (op->nrof)
1623 return op; 1608 return op;
1624 else
1625 {
1626 op->destroy ();
1627 return 0;
1628 }
1629}
1630
1631/*
1632 * add_weight(object, weight) adds the specified weight to an object,
1633 * and also updates how much the environment(s) is/are carrying.
1634 */
1635void
1636add_weight (object *op, signed long weight)
1637{
1638 while (op != NULL)
1639 {
1640 if (op->type == CONTAINER)
1641 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1642
1643 op->carrying += weight;
1644 op = op->env;
1645 } 1609 }
1646} 1610}
1647 1611
1648object * 1612object *
1649insert_ob_in_ob (object *op, object *where) 1613insert_ob_in_ob (object *op, object *where)
1674 * be != op, if items are merged. -Tero 1638 * be != op, if items are merged. -Tero
1675 */ 1639 */
1676object * 1640object *
1677object::insert (object *op) 1641object::insert (object *op)
1678{ 1642{
1679 object *tmp, *otmp;
1680
1681 if (!QUERY_FLAG (op, FLAG_REMOVED))
1682 op->remove ();
1683
1684 if (op->more) 1643 if (op->more)
1685 { 1644 {
1686 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1645 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1687 return op; 1646 return op;
1688 } 1647 }
1689 1648
1690 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1649 op->remove ();
1691 CLEAR_FLAG (op, FLAG_REMOVED); 1650
1651 op->flag [FLAG_OBJ_ORIGINAL] = 0;
1652
1692 if (op->nrof) 1653 if (op->nrof)
1693 {
1694 for (tmp = inv; tmp != NULL; tmp = tmp->below) 1654 for (object *tmp = inv; tmp; tmp = tmp->below)
1695 if (object::can_merge (tmp, op)) 1655 if (object::can_merge (tmp, op))
1696 { 1656 {
1697 /* return the original object and remove inserted object 1657 /* return the original object and remove inserted object
1698 (client needs the original object) */ 1658 (client needs the original object) */
1699 tmp->nrof += op->nrof; 1659 tmp->nrof += op->nrof;
1700 /* Weight handling gets pretty funky. Since we are adding to 1660
1701 * tmp->nrof, we need to increase the weight. 1661 if (object *pl = tmp->visible_to ())
1702 */ 1662 esrv_update_item (UPD_NROF, pl, tmp);
1663
1703 add_weight (this, op->weight * op->nrof); 1664 adjust_weight (this, op->total_weight ());
1704 SET_FLAG (op, FLAG_REMOVED); 1665
1705 op->destroy (); /* free the inserted object */ 1666 op->destroy (1);
1706 op = tmp; 1667 op = tmp;
1707 op->remove (); /* and fix old object's links */ 1668 goto inserted;
1708 CLEAR_FLAG (op, FLAG_REMOVED);
1709 break;
1710 } 1669 }
1711 1670
1712 /* I assume combined objects have no inventory 1671 op->owner = 0; // it's his/hers now. period.
1713 * We add the weight - this object could have just been removed
1714 * (if it was possible to merge). calling remove_ob will subtract
1715 * the weight, so we need to add it in again, since we actually do
1716 * the linking below
1717 */
1718 add_weight (this, op->weight * op->nrof);
1719 }
1720 else
1721 add_weight (this, (op->weight + op->carrying));
1722
1723 otmp = this->in_player ();
1724 if (otmp && otmp->contr)
1725 if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1726 otmp->update_stats ();
1727
1728 op->map = 0; 1672 op->map = 0;
1729 op->env = this; 1673 op->x = 0;
1674 op->y = 0;
1675
1730 op->above = 0; 1676 op->above = 0;
1731 op->below = 0; 1677 op->below = inv;
1732 op->x = 0, op->y = 0; 1678 op->env = this;
1733 1679
1680 if (inv)
1681 inv->above = op;
1682
1683 inv = op;
1684
1685 op->flag [FLAG_REMOVED] = 0;
1686
1687 if (object *pl = op->visible_to ())
1688 esrv_send_item (pl, op);
1689
1690 adjust_weight (this, op->total_weight ());
1691
1692inserted:
1734 /* reset the light list and los of the players on the map */ 1693 /* reset the light list and los of the players on the map */
1735 if ((op->glow_radius != 0) && map) 1694 if (op->glow_radius && map && map->darkness)
1736 {
1737#ifdef DEBUG_LIGHTS
1738 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1739#endif /* DEBUG_LIGHTS */
1740 if (map->darkness)
1741 update_all_los (map, x, y); 1695 update_all_los (map, x, y);
1742 }
1743 1696
1744 /* Client has no idea of ordering so lets not bother ordering it here. 1697 // if this is a player's inventory, update stats
1745 * It sure simplifies this function... 1698 if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1746 */ 1699 update_stats ();
1747 if (!inv)
1748 inv = op;
1749 else
1750 {
1751 op->below = inv;
1752 op->below->above = op;
1753 inv = op;
1754 }
1755 1700
1756 INVOKE_OBJECT (INSERT, this); 1701 INVOKE_OBJECT (INSERT, this);
1757 1702
1758 return op; 1703 return op;
1759} 1704}
1974 * activate recursively a flag on an object inventory 1919 * activate recursively a flag on an object inventory
1975 */ 1920 */
1976void 1921void
1977flag_inv (object *op, int flag) 1922flag_inv (object *op, int flag)
1978{ 1923{
1979 if (op->inv)
1980 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1924 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1981 { 1925 {
1982 SET_FLAG (tmp, flag); 1926 SET_FLAG (tmp, flag);
1983 flag_inv (tmp, flag); 1927 flag_inv (tmp, flag);
1984 } 1928 }
1985} 1929}
1986 1930
1987/* 1931/*
1988 * deactivate recursively a flag on an object inventory 1932 * deactivate recursively a flag on an object inventory
1989 */ 1933 */
1990void 1934void
1991unflag_inv (object *op, int flag) 1935unflag_inv (object *op, int flag)
1992{ 1936{
1993 if (op->inv)
1994 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1937 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1995 { 1938 {
1996 CLEAR_FLAG (tmp, flag); 1939 CLEAR_FLAG (tmp, flag);
1997 unflag_inv (tmp, flag); 1940 unflag_inv (tmp, flag);
1998 } 1941 }
1999} 1942}
2000 1943
2001/* 1944/*
2002 * find_free_spot(object, map, x, y, start, stop) will search for 1945 * find_free_spot(object, map, x, y, start, stop) will search for
2003 * a spot at the given map and coordinates which will be able to contain 1946 * a spot at the given map and coordinates which will be able to contain
2005 * to search (see the freearr_x/y[] definition). 1948 * to search (see the freearr_x/y[] definition).
2006 * It returns a random choice among the alternatives found. 1949 * It returns a random choice among the alternatives found.
2007 * start and stop are where to start relative to the free_arr array (1,9 1950 * start and stop are where to start relative to the free_arr array (1,9
2008 * does all 4 immediate directions). This returns the index into the 1951 * does all 4 immediate directions). This returns the index into the
2009 * array of the free spot, -1 if no spot available (dir 0 = x,y) 1952 * array of the free spot, -1 if no spot available (dir 0 = x,y)
2010 * Note - this only checks to see if there is space for the head of the
2011 * object - if it is a multispace object, this should be called for all
2012 * pieces.
2013 * Note2: This function does correctly handle tiled maps, but does not 1953 * Note: This function does correctly handle tiled maps, but does not
2014 * inform the caller. However, insert_ob_in_map will update as 1954 * inform the caller. However, insert_ob_in_map will update as
2015 * necessary, so the caller shouldn't need to do any special work. 1955 * necessary, so the caller shouldn't need to do any special work.
2016 * Note - updated to take an object instead of archetype - this is necessary 1956 * Note - updated to take an object instead of archetype - this is necessary
2017 * because arch_blocked (now ob_blocked) needs to know the movement type 1957 * because arch_blocked (now ob_blocked) needs to know the movement type
2018 * to know if the space in question will block the object. We can't use 1958 * to know if the space in question will block the object. We can't use
2020 * customized, changed states, etc. 1960 * customized, changed states, etc.
2021 */ 1961 */
2022int 1962int
2023find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop) 1963find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2024{ 1964{
1965 int altern[SIZEOFFREE];
2025 int index = 0, flag; 1966 int index = 0, flag;
2026 int altern[SIZEOFFREE];
2027 1967
2028 for (int i = start; i < stop; i++) 1968 for (int i = start; i < stop; i++)
2029 { 1969 {
2030 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]); 1970 mapxy pos (m, x, y); pos.move (i);
2031 if (!flag) 1971
1972 if (!pos.normalise ())
1973 continue;
1974
1975 mapspace &ms = *pos;
1976
1977 if (ms.flags () & P_IS_ALIVE)
1978 continue;
1979
1980 /* However, often
1981 * ob doesn't have any move type (when used to place exits)
1982 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
1983 */
1984 if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
1985 {
2032 altern [index++] = i; 1986 altern [index++] = i;
1987 continue;
1988 }
2033 1989
2034 /* Basically, if we find a wall on a space, we cut down the search size. 1990 /* Basically, if we find a wall on a space, we cut down the search size.
2035 * In this way, we won't return spaces that are on another side of a wall. 1991 * In this way, we won't return spaces that are on another side of a wall.
2036 * This mostly work, but it cuts down the search size in all directions - 1992 * This mostly work, but it cuts down the search size in all directions -
2037 * if the space being examined only has a wall to the north and empty 1993 * if the space being examined only has a wall to the north and empty
2038 * spaces in all the other directions, this will reduce the search space 1994 * spaces in all the other directions, this will reduce the search space
2039 * to only the spaces immediately surrounding the target area, and 1995 * to only the spaces immediately surrounding the target area, and
2040 * won't look 2 spaces south of the target space. 1996 * won't look 2 spaces south of the target space.
2041 */ 1997 */
2042 else if ((flag & P_NO_PASS) && maxfree[i] < stop) 1998 if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
1999 {
2043 stop = maxfree[i]; 2000 stop = maxfree[i];
2001 continue;
2002 }
2003
2004 /* Note it is intentional that we check ob - the movement type of the
2005 * head of the object should correspond for the entire object.
2006 */
2007 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2008 continue;
2009
2010 if (ob->blocked (m, pos.x, pos.y))
2011 continue;
2012
2013 altern [index++] = i;
2044 } 2014 }
2045 2015
2046 if (!index) 2016 if (!index)
2047 return -1; 2017 return -1;
2048 2018
2057 */ 2027 */
2058int 2028int
2059find_first_free_spot (const object *ob, maptile *m, int x, int y) 2029find_first_free_spot (const object *ob, maptile *m, int x, int y)
2060{ 2030{
2061 for (int i = 0; i < SIZEOFFREE; i++) 2031 for (int i = 0; i < SIZEOFFREE; i++)
2062 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i])) 2032 if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2063 return i; 2033 return i;
2064 2034
2065 return -1; 2035 return -1;
2066} 2036}
2067 2037
2344 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause 2314 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2345 * core dumps if they do. 2315 * core dumps if they do.
2346 * 2316 *
2347 * Add a check so we can't pick up invisible objects (0.93.8) 2317 * Add a check so we can't pick up invisible objects (0.93.8)
2348 */ 2318 */
2349
2350int 2319int
2351can_pick (const object *who, const object *item) 2320can_pick (const object *who, const object *item)
2352{ 2321{
2353 return /*QUERY_FLAG(who,FLAG_WIZ)|| */ 2322 return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2354 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) && 2323 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2605{ 2574{
2606 char flagdesc[512]; 2575 char flagdesc[512];
2607 char info2[256 * 4]; 2576 char info2[256 * 4];
2608 char *p = info; 2577 char *p = info;
2609 2578
2610 p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}", 2579 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2611 count, uuid.seq, 2580 count,
2581 uuid.c_str (),
2612 &name, 2582 &name,
2613 title ? "\",title:\"" : "", 2583 title ? "\",title:\"" : "",
2614 title ? (const char *)title : "", 2584 title ? (const char *)title : "",
2615 flag_desc (flagdesc, 512), type); 2585 flag_desc (flagdesc, 512), type);
2616 2586
2617 if (env) 2587 if (!flag[FLAG_REMOVED] && env)
2618 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2588 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2619 2589
2620 if (map) 2590 if (map)
2621 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y); 2591 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2622 2592
2652object::open_container (object *new_container) 2622object::open_container (object *new_container)
2653{ 2623{
2654 if (container == new_container) 2624 if (container == new_container)
2655 return; 2625 return;
2656 2626
2657 if (object *old_container = container) 2627 object *old_container = container;
2628
2629 if (old_container)
2658 { 2630 {
2659 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this))) 2631 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2660 return; 2632 return;
2661 2633
2662#if 0 2634#if 0
2664 if (object *closer = old_container->inv) 2636 if (object *closer = old_container->inv)
2665 if (closer->type == CLOSE_CON) 2637 if (closer->type == CLOSE_CON)
2666 closer->destroy (); 2638 closer->destroy ();
2667#endif 2639#endif
2668 2640
2641 // make sure the container is available
2642 esrv_send_item (this, old_container);
2643
2669 old_container->flag [FLAG_APPLIED] = 0; 2644 old_container->flag [FLAG_APPLIED] = false;
2670 container = 0; 2645 container = 0;
2671 2646
2647 // client needs item update to make it work, client bug requires this to be separate
2672 esrv_update_item (UPD_FLAGS, this, old_container); 2648 esrv_update_item (UPD_FLAGS, this, old_container);
2649
2673 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container)); 2650 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2651 play_sound (sound_find ("chest_close"));
2674 } 2652 }
2675 2653
2676 if (new_container) 2654 if (new_container)
2677 { 2655 {
2678 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this))) 2656 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
2689 } 2667 }
2690#endif 2668#endif
2691 2669
2692 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container)); 2670 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2693 2671
2672 // make sure the container is available, client bug requires this to be separate
2673 esrv_send_item (this, new_container);
2674
2694 new_container->flag [FLAG_APPLIED] = 1; 2675 new_container->flag [FLAG_APPLIED] = true;
2695 container = new_container; 2676 container = new_container;
2696 2677
2678 // client needs flag change
2697 esrv_update_item (UPD_FLAGS, this, new_container); 2679 esrv_update_item (UPD_FLAGS, this, new_container);
2698 esrv_send_inventory (this, new_container); 2680 esrv_send_inventory (this, new_container);
2681 play_sound (sound_find ("chest_open"));
2699 } 2682 }
2683// else if (!old_container->env && contr && contr->ns)
2684// contr->ns->floorbox_reset ();
2700} 2685}
2701 2686
2702object * 2687object *
2703object::force_find (const shstr name) 2688object::force_find (const shstr name)
2704{ 2689{
2729 force->flag [FLAG_APPLIED] = true; 2714 force->flag [FLAG_APPLIED] = true;
2730 2715
2731 insert (force); 2716 insert (force);
2732} 2717}
2733 2718
2719void
2720object::play_sound (faceidx sound)
2721{
2722 if (!sound)
2723 return;
2724
2725 if (flag [FLAG_REMOVED])
2726 return;
2727
2728 if (env)
2729 {
2730 if (object *pl = in_player ())
2731 pl->contr->play_sound (sound);
2732 }
2733 else
2734 map->play_sound (sound, x, y);
2735}
2736

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