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Comparing deliantra/server/common/object.C (file contents):
Revision 1.199 by root, Thu Nov 8 19:43:23 2007 UTC vs.
Revision 1.233 by root, Tue May 6 18:47:32 2008 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 22 */
23 23
24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25 sub/add_weight will transcend the environment updating the carrying
26 variable. */
27#include <global.h> 24#include <global.h>
28#include <stdio.h> 25#include <stdio.h>
29#include <sys/types.h> 26#include <sys/types.h>
30#include <sys/uio.h> 27#include <sys/uio.h>
31#include <object.h> 28#include <object.h>
32#include <funcpoint.h>
33#include <sproto.h> 29#include <sproto.h>
34#include <loader.h> 30#include <loader.h>
35 31
36#include <bitset> 32#include <bitset>
37 33
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;
141
142 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both 144 /* n-squared behaviour (see kv_get), but I'm hoping both
143 * objects with lists are rare, and lists stay short. If not, use a 145 * objects with lists are rare, and lists stay short. If not, use a
144 * different structure or at least keep the lists sorted... 146 * different structure or at least keep the lists sorted...
145 */ 147 */
146 148
147 /* For each field in wants, */ 149 /* For each field in wants, */
148 for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next) 150 for (key_value *kv = wants->key_values; kv; kv = kv->next)
149 { 151 if (has->kv_get (kv->key) != kv->value)
150 key_value *has_field; 152 return false;
151
152 /* Look for a field in has with the same key. */
153 has_field = get_ob_key_link (has, wants_field->key);
154
155 if (has_field == NULL)
156 {
157 /* No field with that name. */
158 return FALSE;
159 }
160
161 /* Found the matching field. */
162 if (has_field->value != wants_field->value)
163 {
164 /* Values don't match, so this half of the comparison is false. */
165 return FALSE;
166 }
167
168 /* If we get here, we found a match. Now for the next field in wants. */
169 }
170 153
171 /* If we get here, every field in wants has a matching field in has. */ 154 /* If we get here, every field in wants has a matching field in has. */
172 return TRUE; 155 return true;
173} 156}
174 157
175/* Returns TRUE if ob1 has the same key_values as ob2. */ 158/* Returns TRUE if ob1 has the same key_values as ob2. */
176static int 159static bool
177compare_ob_value_lists (const object *ob1, const object *ob2) 160compare_ob_value_lists (const object *ob1, const object *ob2)
178{ 161{
179 /* However, there may be fields in has which aren't partnered in wants, 162 /* However, there may be fields in has which aren't partnered in wants,
180 * so we need to run the comparison *twice*. :( 163 * so we need to run the comparison *twice*. :(
181 */ 164 */
182 return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1); 165 return compare_ob_value_lists_one (ob1, ob2)
166 && compare_ob_value_lists_one (ob2, ob1);
183} 167}
184 168
185/* Function examines the 2 objects given to it, and returns true if 169/* Function examines the 2 objects given to it, and returns true if
186 * they can be merged together. 170 * they can be merged together.
187 * 171 *
202 || ob1->speed != ob2->speed 186 || ob1->speed != ob2->speed
203 || ob1->value != ob2->value 187 || ob1->value != ob2->value
204 || ob1->name != ob2->name) 188 || ob1->name != ob2->name)
205 return 0; 189 return 0;
206 190
207 //TODO: this ain't working well, use nicer and correct overflow check 191 /* 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 192 * for unsigned overflow (2c), second part checks whether the result
209 * value could not be stored in a sint32 (which unfortunately sometimes is 193 * would fit into a 32 bit signed int, which is often used to hold
210 * used to store nrof). 194 * nrof values.
211 */ 195 */
212 if (ob1->nrof + ob2->nrof >= 1UL << 31) 196 if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
213 return 0; 197 return 0;
214 198
215 /* If the objects have been identified, set the BEEN_APPLIED flag. 199 /* 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 200 * 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 201 * 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 202 * are not equal - just if it has been identified, the been_applied
219 * flags lose any meaning. 203 * flags lose any meaning.
220 */ 204 */
221 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED)) 205 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 206 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223 207
224 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 208 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 209 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226 210
227 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any () 211 if (ob1->arch->name != ob2->arch->name
228 || ob1->arch != ob2->arch
229 || ob1->name != ob2->name 212 || ob1->name != ob2->name
230 || ob1->title != ob2->title 213 || ob1->title != ob2->title
231 || ob1->msg != ob2->msg 214 || ob1->msg != ob2->msg
232 || ob1->weight != ob2->weight 215 || 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 216 || ob1->attacktype != ob2->attacktype
236 || ob1->magic != ob2->magic 217 || ob1->magic != ob2->magic
237 || ob1->slaying != ob2->slaying 218 || ob1->slaying != ob2->slaying
238 || ob1->skill != ob2->skill 219 || ob1->skill != ob2->skill
239 || ob1->value != ob2->value 220 || ob1->value != ob2->value
246 || ob1->move_block != ob2->move_block 227 || ob1->move_block != ob2->move_block
247 || ob1->move_allow != ob2->move_allow 228 || ob1->move_allow != ob2->move_allow
248 || ob1->move_on != ob2->move_on 229 || ob1->move_on != ob2->move_on
249 || ob1->move_off != ob2->move_off 230 || ob1->move_off != ob2->move_off
250 || ob1->move_slow != ob2->move_slow 231 || ob1->move_slow != ob2->move_slow
251 || ob1->move_slow_penalty != ob2->move_slow_penalty) 232 || ob1->move_slow_penalty != ob2->move_slow_penalty
233 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252 return 0; 235 return 0;
253 236
237 if ((ob1->flag ^ ob2->flag)
238 .reset (FLAG_INV_LOCKED)
239 .reset (FLAG_CLIENT_SENT)
240 .reset (FLAG_REMOVED)
241 .any ())
242 return 0;
243
254 /* This is really a spellbook check - really, we should 244 /* This is really a spellbook check - we should in general
255 * check all objects in the inventory. 245 * not merge objects with real inventories, as splitting them
246 * is hard.
256 */ 247 */
257 if (ob1->inv || ob2->inv) 248 if (ob1->inv || ob2->inv)
258 { 249 {
259 if (!(ob1->inv && ob2->inv)) 250 if (!(ob1->inv && ob2->inv))
260 return 0; /* inventories differ in length */ 251 return 0; /* inventories differ in length */
261 252
262 if (ob1->inv->below || ob2->inv->below) 253 if (ob1->inv->below || ob2->inv->below)
263 return 0; /* more than one object in inv */ 254 return 0; /* more than one object in inv */
264 255
265 if (!object::can_merge (ob1->inv, ob2->inv)) 256 if (!object::can_merge (ob1->inv, ob2->inv))
266 return 0; /* inventory objexts differ */ 257 return 0; /* inventory objects differ */
267 258
268 /* inventory ok - still need to check rest of this object to see 259 /* inventory ok - still need to check rest of this object to see
269 * if it is valid. 260 * if it is valid.
270 */ 261 */
271 } 262 }
290 if (ob1->level != ob2->level) 281 if (ob1->level != ob2->level)
291 return 0; 282 return 0;
292 break; 283 break;
293 } 284 }
294 285
295 if (ob1->key_values != NULL || ob2->key_values != NULL) 286 if (ob1->key_values || ob2->key_values)
296 { 287 {
297 /* At least one of these has key_values. */ 288 /* At least one of these has key_values. */
298 if ((ob1->key_values == NULL) != (ob2->key_values == NULL)) 289 if ((!ob1->key_values) != (!ob2->key_values))
299 /* One has fields, but the other one doesn't. */ 290 return 0; /* One has fields, but the other one doesn't. */
300 return 0; 291
301 else if (!compare_ob_value_lists (ob1, ob2)) 292 if (!compare_ob_value_lists (ob1, ob2))
302 return 0; 293 return 0;
303 } 294 }
304 295
305 if (ob1->self || ob2->self) 296 if (ob1->self || ob2->self)
306 { 297 {
312 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0; 303 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
313 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0; 304 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
314 305
315 if (k1 != k2) 306 if (k1 != k2)
316 return 0; 307 return 0;
308
317 else if (k1 == 0) 309 if (k1 == 0)
318 return 1; 310 return 1;
311
319 else if (!cfperl_can_merge (ob1, ob2)) 312 if (!cfperl_can_merge (ob1, ob2))
320 return 0; 313 return 0;
321 } 314 }
322 } 315 }
323 316
324 /* Everything passes, must be OK. */ 317 /* Everything passes, must be OK. */
325 return 1; 318 return 1;
326} 319}
327 320
321// find player who can see this object
322object *
323object::visible_to () const
324{
325 if (client_visible () && !flag [FLAG_REMOVED])
326 {
327 // see if we are in a container of sorts
328 if (env)
329 {
330 // the player inventory itself is always visible
331 if (env->type == PLAYER)
332 return env;
333
334 // else a player could have our env open
335 object *envest = env->outer_env ();
336
337 // the player itself is always on a map, so we will find him here
338 // even if our inv is in a player.
339 if (envest->is_on_map ())
340 if (object *pl = envest->ms ().player ())
341 if (pl->container == env)
342 return pl;
343 }
344 else
345 {
346 // maybe there is a player standing on the same mapspace
347 // this will catch the case where "this" is a player
348 if (object *pl = ms ().player ())
349 if (!pl->container || this == pl->container)
350 return pl;
351 }
352 }
353
354 return 0;
355}
356
357// adjust weight per container type ("of holding")
358static sint32
359weight_adjust_for (object *op, sint32 weight)
360{
361 return op->type == CONTAINER
362 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
363 : weight;
364}
365
328/* 366/*
367 * adjust_weight(object, weight) adds the specified weight to an object,
368 * and also updates how much the environment(s) is/are carrying.
369 */
370static void
371adjust_weight (object *op, sint32 weight)
372{
373 while (op)
374 {
375 // adjust by actual difference to account for rounding errors
376 // i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
377 weight = weight_adjust_for (op, op->carrying)
378 - weight_adjust_for (op, op->carrying - weight);
379
380 if (!weight)
381 return;
382
383 op->carrying += weight;
384
385 if (object *pl = op->visible_to ())
386 if (pl != op) // player is handled lazily
387 esrv_update_item (UPD_WEIGHT, pl, op);
388
389 op = op->env;
390 }
391}
392
393/*
329 * sum_weight() is a recursive function which calculates the weight 394 * this is a recursive function which calculates the weight
330 * an object is carrying. It goes through in figures out how much 395 * an object is carrying. It goes through op and figures out how much
331 * containers are carrying, and sums it up. 396 * containers are carrying, and sums it up.
332 */ 397 */
333long 398void
334sum_weight (object *op) 399object::update_weight ()
335{ 400{
336 long sum; 401 sint32 sum = 0;
337 object *inv;
338 402
339 for (sum = 0, inv = op->inv; inv; inv = inv->below) 403 for (object *op = inv; op; op = op->below)
340 { 404 {
341 if (inv->inv) 405 if (op->inv)
342 sum_weight (inv); 406 op->update_weight ();
343 407
344 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 408 sum += op->total_weight ();
409 }
410
411 sum = weight_adjust (this, sum);
412
413 if (sum != carrying)
345 } 414 {
346
347 if (op->type == CONTAINER && op->stats.Str)
348 sum = (sum * (100 - op->stats.Str)) / 100;
349
350 if (op->carrying != sum)
351 op->carrying = sum; 415 carrying = sum;
352 416
353 return sum; 417 if (object *pl = visible_to ())
418 if (pl != this) // player is handled lazily
419 esrv_update_item (UPD_WEIGHT, pl, this);
420 }
354} 421}
355 422
356/** 423/*
357 * Return the outermost environment object for a given object. 424 * Used by: Server DM commands: dumpbelow, dump. Some error messages.
358 */
359
360object *
361object_get_env_recursive (object *op)
362{
363 while (op->env != NULL)
364 op = op->env;
365 return op;
366}
367
368/*
369 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
370 * Some error messages.
371 * The result of the dump is stored in the static global errmsg array.
372 */ 425 */
373char * 426char *
374dump_object (object *op) 427dump_object (object *op)
375{ 428{
376 if (!op) 429 if (!op)
390get_nearest_part (object *op, const object *pl) 443get_nearest_part (object *op, const object *pl)
391{ 444{
392 object *tmp, *closest; 445 object *tmp, *closest;
393 int last_dist, i; 446 int last_dist, i;
394 447
395 if (op->more == NULL) 448 if (!op->more)
396 return op; 449 return op;
450
397 for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more) 451 for (last_dist = distance (op, pl), closest = op, tmp = op->more;
452 tmp;
453 tmp = tmp->more)
398 if ((i = distance (tmp, pl)) < last_dist) 454 if ((i = distance (tmp, pl)) < last_dist)
399 closest = tmp, last_dist = i; 455 closest = tmp, last_dist = i;
456
400 return closest; 457 return closest;
401} 458}
402 459
403/* 460/*
404 * Returns the object which has the count-variable equal to the argument. 461 * Returns the object which has the count-variable equal to the argument.
462 * VERRRY slow.
405 */ 463 */
406object * 464object *
407find_object (tag_t i) 465find_object (tag_t i)
408{ 466{
409 for_all_objects (op) 467 for_all_objects (op)
427 for_all_objects (op) 485 for_all_objects (op)
428 if (op->name == str_) 486 if (op->name == str_)
429 break; 487 break;
430 488
431 return op; 489 return op;
432}
433
434void
435free_all_object_data ()
436{
437 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
438} 490}
439 491
440/* 492/*
441 * Sets the owner and sets the skill and exp pointers to owner's current 493 * Sets the owner and sets the skill and exp pointers to owner's current
442 * skill and experience objects. 494 * skill and experience objects.
540 } 592 }
541 593
542 op->key_values = 0; 594 op->key_values = 0;
543} 595}
544 596
545object & 597/*
546object::operator =(const object &src) 598 * copy_to first frees everything allocated by the dst object,
599 * and then copies the contents of itself into the second
600 * object, allocating what needs to be allocated. Basically, any
601 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
602 * if the first object is freed, the pointers in the new object
603 * will point at garbage.
604 */
605void
606object::copy_to (object *dst)
547{ 607{
548 bool is_freed = flag [FLAG_FREED]; 608 dst->remove ();
549 bool is_removed = flag [FLAG_REMOVED];
550
551 *(object_copy *)this = src; 609 *(object_copy *)dst = *this;
552
553 flag [FLAG_FREED] = is_freed;
554 flag [FLAG_REMOVED] = is_removed; 610 dst->flag [FLAG_REMOVED] = true;
555 611
556 /* Copy over key_values, if any. */ 612 /* Copy over key_values, if any. */
557 if (src.key_values) 613 if (key_values)
558 { 614 {
559 key_value *tail = 0; 615 key_value *tail = 0;
560 key_values = 0; 616 dst->key_values = 0;
561 617
562 for (key_value *i = src.key_values; i; i = i->next) 618 for (key_value *i = key_values; i; i = i->next)
563 { 619 {
564 key_value *new_link = new key_value; 620 key_value *new_link = new key_value;
565 621
566 new_link->next = 0; 622 new_link->next = 0;
567 new_link->key = i->key; 623 new_link->key = i->key;
568 new_link->value = i->value; 624 new_link->value = i->value;
569 625
570 /* Try and be clever here, too. */ 626 /* Try and be clever here, too. */
571 if (!key_values) 627 if (!dst->key_values)
572 { 628 {
573 key_values = new_link; 629 dst->key_values = new_link;
574 tail = new_link; 630 tail = new_link;
575 } 631 }
576 else 632 else
577 { 633 {
578 tail->next = new_link; 634 tail->next = new_link;
579 tail = new_link; 635 tail = new_link;
580 } 636 }
581 } 637 }
582 } 638 }
583}
584
585/*
586 * copy_to first frees everything allocated by the dst object,
587 * and then copies the contents of itself into the second
588 * object, allocating what needs to be allocated. Basically, any
589 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
590 * if the first object is freed, the pointers in the new object
591 * will point at garbage.
592 */
593void
594object::copy_to (object *dst)
595{
596 *dst = *this;
597 639
598 if (speed < 0) 640 if (speed < 0)
599 dst->speed_left -= rndm (); 641 dst->speed_left -= rndm ();
600 642
601 dst->set_speed (dst->speed); 643 dst->set_speed (dst->speed);
603 645
604void 646void
605object::instantiate () 647object::instantiate ()
606{ 648{
607 if (!uuid.seq) // HACK 649 if (!uuid.seq) // HACK
608 uuid = gen_uuid (); 650 uuid = UUID::gen ();
609 651
610 speed_left = -0.1f; 652 speed_left = -0.1f;
611 /* copy the body_info to the body_used - this is only really 653 /* copy the body_info to the body_used - this is only really
612 * need for monsters, but doesn't hurt to do it for everything. 654 * need for monsters, but doesn't hurt to do it for everything.
613 * by doing so, when a monster is created, it has good starting 655 * by doing so, when a monster is created, it has good starting
623object * 665object *
624object::clone () 666object::clone ()
625{ 667{
626 object *neu = create (); 668 object *neu = create ();
627 copy_to (neu); 669 copy_to (neu);
670 neu->map = map; // not copied by copy_to
628 return neu; 671 return neu;
629} 672}
630 673
631/* 674/*
632 * If an object with the IS_TURNABLE() flag needs to be turned due 675 * If an object with the IS_TURNABLE() flag needs to be turned due
683 * UP_OBJ_FACE: only the objects face has changed. 726 * UP_OBJ_FACE: only the objects face has changed.
684 */ 727 */
685void 728void
686update_object (object *op, int action) 729update_object (object *op, int action)
687{ 730{
688 if (op == NULL) 731 if (!op)
689 { 732 {
690 /* this should never happen */ 733 /* this should never happen */
691 LOG (llevDebug, "update_object() called for NULL object.\n"); 734 LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
692 return; 735 return;
693 } 736 }
694 737
695 if (op->env) 738 if (!op->is_on_map ())
696 { 739 {
697 /* Animation is currently handled by client, so nothing 740 /* Animation is currently handled by client, so nothing
698 * to do in this case. 741 * to do in this case.
699 */ 742 */
700 return; 743 return;
701 } 744 }
702
703 /* If the map is saving, don't do anything as everything is
704 * going to get freed anyways.
705 */
706 if (!op->map || op->map->in_memory == MAP_SAVING)
707 return;
708 745
709 /* make sure the object is within map boundaries */ 746 /* make sure the object is within map boundaries */
710 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height) 747 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
711 { 748 {
712 LOG (llevError, "update_object() called for object out of map!\n"); 749 LOG (llevError, "update_object() called for object out of map!\n");
772static int object_count; 809static int object_count;
773 810
774void object::link () 811void object::link ()
775{ 812{
776 assert (!index);//D 813 assert (!index);//D
777 uuid = gen_uuid (); 814 uuid = UUID::gen ();
778 count = ++object_count; 815 count = ++object_count;
779 816
780 refcnt_inc (); 817 refcnt_inc ();
781 objects.insert (this); 818 objects.insert (this);
782} 819}
855object::destroy_inv (bool drop_to_ground) 892object::destroy_inv (bool drop_to_ground)
856{ 893{
857 // need to check first, because the checks below might segfault 894 // need to check first, because the checks below might segfault
858 // as we might be on an invalid mapspace and crossfire code 895 // as we might be on an invalid mapspace and crossfire code
859 // is too buggy to ensure that the inventory is empty. 896 // is too buggy to ensure that the inventory is empty.
860 // corollary: if you create arrows etc. with stuff in tis inventory, 897 // corollary: if you create arrows etc. with stuff in its inventory,
861 // cf will crash below with off-map x and y 898 // cf will crash below with off-map x and y
862 if (!inv) 899 if (!inv)
863 return; 900 return;
864 901
865 /* Only if the space blocks everything do we not process - 902 /* Only if the space blocks everything do we not process -
866 * if some form of movement is allowed, let objects 903 * if some form of movement is allowed, let objects
867 * drop on that space. 904 * drop on that space.
868 */ 905 */
869 if (!drop_to_ground 906 if (!drop_to_ground
870 || !map 907 || !map
871 || map->in_memory != MAP_IN_MEMORY 908 || map->in_memory != MAP_ACTIVE
872 || map->nodrop 909 || map->nodrop
873 || ms ().move_block == MOVE_ALL) 910 || ms ().move_block == MOVE_ALL)
874 { 911 {
875 while (inv) 912 while (inv)
876 { 913 {
877 inv->destroy_inv (drop_to_ground); 914 inv->destroy_inv (false);
878 inv->destroy (); 915 inv->destroy ();
879 } 916 }
880 } 917 }
881 else 918 else
882 { /* Put objects in inventory onto this space */ 919 { /* Put objects in inventory onto this space */
888 || op->flag [FLAG_NO_DROP] 925 || op->flag [FLAG_NO_DROP]
889 || op->type == RUNE 926 || op->type == RUNE
890 || op->type == TRAP 927 || op->type == TRAP
891 || op->flag [FLAG_IS_A_TEMPLATE] 928 || op->flag [FLAG_IS_A_TEMPLATE]
892 || op->flag [FLAG_DESTROY_ON_DEATH]) 929 || op->flag [FLAG_DESTROY_ON_DEATH])
893 op->destroy (); 930 op->destroy (true);
894 else 931 else
895 map->insert (op, x, y); 932 map->insert (op, x, y);
896 } 933 }
897 } 934 }
898} 935}
902 object *op = new object; 939 object *op = new object;
903 op->link (); 940 op->link ();
904 return op; 941 return op;
905} 942}
906 943
944static struct freed_map : maptile
945{
946 freed_map ()
947 {
948 path = "<freed objects map>";
949 name = "/internal/freed_objects_map";
950 width = 3;
951 height = 3;
952 nodrop = 1;
953
954 alloc ();
955 in_memory = MAP_ACTIVE;
956 }
957
958 ~freed_map ()
959 {
960 destroy ();
961 }
962} freed_map; // freed objects are moved here to avoid crashes
963
907void 964void
908object::do_destroy () 965object::do_destroy ()
909{ 966{
910 attachable::do_destroy ();
911
912 if (flag [FLAG_IS_LINKED]) 967 if (flag [FLAG_IS_LINKED])
913 remove_button_link (this); 968 remove_button_link (this);
914 969
915 if (flag [FLAG_FRIENDLY]) 970 if (flag [FLAG_FRIENDLY])
916 remove_friendly_object (this); 971 remove_friendly_object (this);
917 972
918 if (!flag [FLAG_REMOVED])
919 remove (); 973 remove ();
920 974
921 destroy_inv (true); 975 attachable::do_destroy ();
922 976
923 deactivate (); 977 deactivate ();
924 unlink (); 978 unlink ();
925 979
926 flag [FLAG_FREED] = 1; 980 flag [FLAG_FREED] = 1;
927 981
928 // hack to ensure that freed objects still have a valid map 982 // hack to ensure that freed objects still have a valid map
929 {
930 static maptile *freed_map; // freed objects are moved here to avoid crashes
931
932 if (!freed_map)
933 {
934 freed_map = new maptile;
935
936 freed_map->path = "<freed objects map>";
937 freed_map->name = "/internal/freed_objects_map";
938 freed_map->width = 3;
939 freed_map->height = 3;
940
941 freed_map->alloc ();
942 freed_map->in_memory = MAP_IN_MEMORY;
943 }
944
945 map = freed_map; 983 map = &freed_map;
946 x = 1; 984 x = 1;
947 y = 1; 985 y = 1;
948 }
949 986
950 if (more) 987 if (more)
951 { 988 {
952 more->destroy (); 989 more->destroy ();
953 more = 0; 990 more = 0;
966object::destroy (bool destroy_inventory) 1003object::destroy (bool destroy_inventory)
967{ 1004{
968 if (destroyed ()) 1005 if (destroyed ())
969 return; 1006 return;
970 1007
1008 if (!is_head () && !head->destroyed ())
1009 {
1010 LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1011 head->destroy (destroy_inventory);
1012 return;
1013 }
1014
971 if (destroy_inventory) 1015 destroy_inv (!destroy_inventory);
972 destroy_inv (false);
973 1016
974 if (is_head ()) 1017 if (is_head ())
975 if (sound_destroy) 1018 if (sound_destroy)
976 play_sound (sound_destroy); 1019 play_sound (sound_destroy);
977 else if (flag [FLAG_MONSTER]) 1020 else if (flag [FLAG_MONSTER])
978 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism 1021 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
979 1022
980 attachable::destroy (); 1023 attachable::destroy ();
981}
982
983/*
984 * sub_weight() recursively (outwards) subtracts a number from the
985 * weight of an object (and what is carried by it's environment(s)).
986 */
987void
988sub_weight (object *op, signed long weight)
989{
990 while (op != NULL)
991 {
992 if (op->type == CONTAINER)
993 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
994
995 op->carrying -= weight;
996 op = op->env;
997 }
998} 1024}
999 1025
1000/* op->remove (): 1026/* op->remove ():
1001 * This function removes the object op from the linked list of objects 1027 * This function removes the object op from the linked list of objects
1002 * which it is currently tied to. When this function is done, the 1028 * which it is currently tied to. When this function is done, the
1008object::do_remove () 1034object::do_remove ()
1009{ 1035{
1010 object *tmp, *last = 0; 1036 object *tmp, *last = 0;
1011 object *otmp; 1037 object *otmp;
1012 1038
1013 if (QUERY_FLAG (this, FLAG_REMOVED)) 1039 if (flag [FLAG_REMOVED])
1014 return; 1040 return;
1015 1041
1016 SET_FLAG (this, FLAG_REMOVED);
1017 INVOKE_OBJECT (REMOVE, this); 1042 INVOKE_OBJECT (REMOVE, this);
1043
1044 flag [FLAG_REMOVED] = true;
1018 1045
1019 if (more) 1046 if (more)
1020 more->remove (); 1047 more->remove ();
1021 1048
1022 /* 1049 /*
1023 * In this case, the object to be removed is in someones 1050 * In this case, the object to be removed is in someones
1024 * inventory. 1051 * inventory.
1025 */ 1052 */
1026 if (env) 1053 if (env)
1027 { 1054 {
1055 flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1056 if (object *pl = visible_to ())
1057 esrv_del_item (pl->contr, count);
1058 flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1059
1060 adjust_weight (env, -total_weight ());
1061
1062 *(above ? &above->below : &env->inv) = below;
1063
1028 if (nrof) 1064 if (below)
1029 sub_weight (env, weight * nrof); 1065 below->above = above;
1030 else 1066
1031 sub_weight (env, weight + carrying); 1067 /* we set up values so that it could be inserted into
1068 * the map, but we don't actually do that - it is up
1069 * to the caller to decide what we want to do.
1070 */
1071 map = env->map;
1072 x = env->x;
1073 y = env->y;
1074 above = 0;
1075 below = 0;
1076 env = 0;
1032 1077
1033 /* NO_FIX_PLAYER is set when a great many changes are being 1078 /* NO_FIX_PLAYER is set when a great many changes are being
1034 * made to players inventory. If set, avoiding the call 1079 * made to players inventory. If set, avoiding the call
1035 * to save cpu time. 1080 * to save cpu time.
1036 */ 1081 */
1037 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1082 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1038 otmp->update_stats (); 1083 otmp->update_stats ();
1039
1040 if (above)
1041 above->below = below;
1042 else
1043 env->inv = below;
1044
1045 if (below)
1046 below->above = above;
1047
1048 /* we set up values so that it could be inserted into
1049 * the map, but we don't actually do that - it is up
1050 * to the caller to decide what we want to do.
1051 */
1052 x = env->x, y = env->y;
1053 map = env->map;
1054 above = 0, below = 0;
1055 env = 0;
1056 } 1084 }
1057 else if (map) 1085 else if (map)
1058 { 1086 {
1059 if (type == PLAYER)
1060 {
1061 // leaving a spot always closes any open container on the ground
1062 if (container && !container->env)
1063 // this causes spurious floorbox updates, but it ensures
1064 // that the CLOSE event is being sent.
1065 close_container ();
1066
1067 --map->players;
1068 map->touch ();
1069 }
1070
1071 map->dirty = true; 1087 map->dirty = true;
1072 mapspace &ms = this->ms (); 1088 mapspace &ms = this->ms ();
1089
1090 if (object *pl = ms.player ())
1091 {
1092 if (type == PLAYER) // this == pl(!)
1093 {
1094 // leaving a spot always closes any open container on the ground
1095 if (container && !container->env)
1096 // this causes spurious floorbox updates, but it ensures
1097 // that the CLOSE event is being sent.
1098 close_container ();
1099
1100 --map->players;
1101 map->touch ();
1102 }
1103 else if (pl->container == this)
1104 {
1105 // removing a container should close it
1106 close_container ();
1107 }
1108
1109 esrv_del_item (pl->contr, count);
1110 }
1073 1111
1074 /* link the object above us */ 1112 /* link the object above us */
1075 if (above) 1113 if (above)
1076 above->below = below; 1114 above->below = below;
1077 else 1115 else
1107 * removed (most likely destroyed), update the player view 1145 * removed (most likely destroyed), update the player view
1108 * appropriately. 1146 * appropriately.
1109 */ 1147 */
1110 pl->close_container (); 1148 pl->close_container ();
1111 1149
1150 //TODO: the floorbox prev/next might need updating
1151 //esrv_del_item (pl->contr, count);
1152 //TODO: update floorbox to preserve ordering
1153 if (pl->contr->ns)
1112 pl->contr->ns->floorbox_update (); 1154 pl->contr->ns->floorbox_update ();
1113 } 1155 }
1114 1156
1115 for (tmp = ms.bot; tmp; tmp = tmp->above) 1157 for (tmp = ms.bot; tmp; tmp = tmp->above)
1116 { 1158 {
1117 /* No point updating the players look faces if he is the object 1159 /* No point updating the players look faces if he is the object
1161 if (!top) 1203 if (!top)
1162 for (top = op; top && top->above; top = top->above) 1204 for (top = op; top && top->above; top = top->above)
1163 ; 1205 ;
1164 1206
1165 for (; top; top = top->below) 1207 for (; top; top = top->below)
1166 {
1167 if (top == op)
1168 continue;
1169
1170 if (object::can_merge (op, top)) 1208 if (object::can_merge (op, top))
1171 { 1209 {
1172 top->nrof += op->nrof; 1210 top->nrof += op->nrof;
1173 1211
1174/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/ 1212 if (object *pl = top->visible_to ())
1175 op->weight = 0; /* Don't want any adjustements now */ 1213 esrv_update_item (UPD_NROF, pl, top);
1214
1215 op->weight = 0; // cancel the addition above
1216 op->carrying = 0; // must be 0 already
1217
1176 op->destroy (); 1218 op->destroy (1);
1219
1177 return top; 1220 return top;
1178 } 1221 }
1179 }
1180 1222
1181 return 0; 1223 return 0;
1182} 1224}
1183 1225
1184void 1226void
1243object * 1285object *
1244insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1286insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1245{ 1287{
1246 assert (!op->flag [FLAG_FREED]); 1288 assert (!op->flag [FLAG_FREED]);
1247 1289
1248 object *top, *floor = NULL;
1249
1250 op->remove (); 1290 op->remove ();
1251 1291
1252 /* Ideally, the caller figures this out. However, it complicates a lot 1292 /* Ideally, the caller figures this out. However, it complicates a lot
1253 * of areas of callers (eg, anything that uses find_free_spot would now 1293 * of areas of callers (eg, anything that uses find_free_spot would now
1254 * need extra work 1294 * need extra work
1255 */ 1295 */
1256 if (!xy_normalise (m, op->x, op->y)) 1296 if (!xy_normalise (m, op->x, op->y))
1257 { 1297 {
1258 op->destroy (); 1298 op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
1259 return 0; 1299 return 0;
1260 } 1300 }
1261 1301
1262 if (object *more = op->more) 1302 if (object *more = op->more)
1263 if (!insert_ob_in_map (more, m, originator, flag)) 1303 if (!insert_ob_in_map (more, m, originator, flag))
1272 */ 1312 */
1273 if (op->nrof && !(flag & INS_NO_MERGE)) 1313 if (op->nrof && !(flag & INS_NO_MERGE))
1274 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1314 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1275 if (object::can_merge (op, tmp)) 1315 if (object::can_merge (op, tmp))
1276 { 1316 {
1317 // TODO: we atcually want to update tmp, not op,
1318 // but some caller surely breaks when we return tmp
1319 // from here :/
1277 op->nrof += tmp->nrof; 1320 op->nrof += tmp->nrof;
1278 tmp->destroy (); 1321 tmp->destroy (1);
1279 } 1322 }
1280 1323
1281 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1324 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1282 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1325 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1283 1326
1303 /* since *below* originator, no need to update top */ 1346 /* since *below* originator, no need to update top */
1304 originator->below = op; 1347 originator->below = op;
1305 } 1348 }
1306 else 1349 else
1307 { 1350 {
1351 object *top, *floor = NULL;
1352
1308 top = ms.bot; 1353 top = ms.bot;
1309 1354
1310 /* If there are other objects, then */ 1355 /* If there are other objects, then */
1311 if (top) 1356 if (top)
1312 { 1357 {
1411 } 1456 }
1412 1457
1413 op->map->dirty = true; 1458 op->map->dirty = true;
1414 1459
1415 if (object *pl = ms.player ()) 1460 if (object *pl = ms.player ())
1461 //TODO: the floorbox prev/next might need updating
1462 //esrv_send_item (pl, op);
1463 //TODO: update floorbox to preserve ordering
1464 if (pl->contr->ns)
1416 pl->contr->ns->floorbox_update (); 1465 pl->contr->ns->floorbox_update ();
1417 1466
1418 /* If this object glows, it may affect lighting conditions that are 1467 /* If this object glows, it may affect lighting conditions that are
1419 * visible to others on this map. But update_all_los is really 1468 * visible to others on this map. But update_all_los is really
1420 * an inefficient way to do this, as it means los for all players 1469 * an inefficient way to do this, as it means los for all players
1421 * on the map will get recalculated. The players could very well 1470 * on the map will get recalculated. The players could very well
1463 * op is the object to insert it under: supplies x and the map. 1512 * op is the object to insert it under: supplies x and the map.
1464 */ 1513 */
1465void 1514void
1466replace_insert_ob_in_map (const char *arch_string, object *op) 1515replace_insert_ob_in_map (const char *arch_string, object *op)
1467{ 1516{
1468 object *tmp, *tmp1;
1469
1470 /* first search for itself and remove any old instances */ 1517 /* first search for itself and remove any old instances */
1471 1518
1472 for (tmp = op->ms ().bot; tmp; tmp = tmp->above) 1519 for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1473 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */ 1520 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1474 tmp->destroy (); 1521 tmp->destroy (1);
1475 1522
1476 tmp1 = arch_to_object (archetype::find (arch_string)); 1523 object *tmp = arch_to_object (archetype::find (arch_string));
1477 1524
1478 tmp1->x = op->x; 1525 tmp->x = op->x;
1479 tmp1->y = op->y; 1526 tmp->y = op->y;
1527
1480 insert_ob_in_map (tmp1, op->map, op, 0); 1528 insert_ob_in_map (tmp, op->map, op, 0);
1481} 1529}
1482 1530
1483object * 1531object *
1484object::insert_at (object *where, object *originator, int flags) 1532object::insert_at (object *where, object *originator, int flags)
1485{ 1533{
1534 if (where->env)
1535 return where->env->insert (this);
1536 else
1486 return where->map->insert (this, where->x, where->y, originator, flags); 1537 return where->map->insert (this, where->x, where->y, originator, flags);
1487} 1538}
1488 1539
1489/* 1540/*
1490 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1491 * is returned contains nr objects, and the remaining parts contains
1492 * the rest (or is removed and freed if that number is 0).
1493 * On failure, NULL is returned, and the reason put into the
1494 * global static errmsg array.
1495 */
1496object *
1497get_split_ob (object *orig_ob, uint32 nr)
1498{
1499 object *newob;
1500 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1501
1502 if (orig_ob->nrof < nr)
1503 {
1504 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1505 return NULL;
1506 }
1507
1508 newob = object_create_clone (orig_ob);
1509
1510 if ((orig_ob->nrof -= nr) < 1)
1511 orig_ob->destroy (1);
1512 else if (!is_removed)
1513 {
1514 if (orig_ob->env != NULL)
1515 sub_weight (orig_ob->env, orig_ob->weight * nr);
1516 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1517 {
1518 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1519 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1520 return NULL;
1521 }
1522 }
1523
1524 newob->nrof = nr;
1525
1526 return newob;
1527}
1528
1529/*
1530 * decrease_ob_nr(object, number) decreases a specified number from 1541 * decrease(object, number) decreases a specified number from
1531 * the amount of an object. If the amount reaches 0, the object 1542 * the amount of an object. If the amount reaches 0, the object
1532 * is subsequently removed and freed. 1543 * is subsequently removed and freed.
1533 * 1544 *
1534 * Return value: 'op' if something is left, NULL if the amount reached 0 1545 * Return value: 'op' if something is left, NULL if the amount reached 0
1535 */ 1546 */
1547bool
1548object::decrease (sint32 nr)
1549{
1550 if (!nr)
1551 return true;
1552
1553 nr = min (nr, nrof);
1554
1555 nrof -= nr;
1556
1557 if (nrof)
1558 {
1559 adjust_weight (env, -weight * nr); // carrying == 0
1560
1561 if (object *pl = visible_to ())
1562 esrv_update_item (UPD_NROF, pl, this);
1563
1564 return true;
1565 }
1566 else
1567 {
1568 destroy (1);
1569 return false;
1570 }
1571}
1572
1573/*
1574 * split(ob,nr) splits up ob into two parts. The part which
1575 * is returned contains nr objects, and the remaining parts contains
1576 * the rest (or is removed and returned if that number is 0).
1577 * On failure, NULL is returned.
1578 */
1536object * 1579object *
1537decrease_ob_nr (object *op, uint32 i) 1580object::split (sint32 nr)
1538{ 1581{
1539 object *tmp; 1582 int have = number_of ();
1540 1583
1541 if (i == 0) /* objects with op->nrof require this check */ 1584 if (have < nr)
1542 return op; 1585 return 0;
1543 1586 else if (have == nr)
1544 if (i > op->nrof)
1545 i = op->nrof;
1546
1547 if (QUERY_FLAG (op, FLAG_REMOVED))
1548 op->nrof -= i;
1549 else if (op->env)
1550 { 1587 {
1551 /* is this object in the players inventory, or sub container
1552 * therein?
1553 */
1554 tmp = op->in_player ();
1555 /* nope. Is this a container the player has opened?
1556 * If so, set tmp to that player.
1557 * IMO, searching through all the players will mostly
1558 * likely be quicker than following op->env to the map,
1559 * and then searching the map for a player.
1560 */
1561 if (!tmp)
1562 for_all_players (pl)
1563 if (pl->ob->container == op->env)
1564 {
1565 tmp = pl->ob;
1566 break;
1567 }
1568
1569 if (i < op->nrof)
1570 {
1571 sub_weight (op->env, op->weight * i);
1572 op->nrof -= i;
1573 if (tmp)
1574 esrv_send_item (tmp, op);
1575 }
1576 else
1577 {
1578 op->remove (); 1588 remove ();
1579 op->nrof = 0; 1589 return this;
1580 if (tmp)
1581 esrv_del_item (tmp->contr, op->count);
1582 }
1583 } 1590 }
1584 else 1591 else
1585 { 1592 {
1586 object *above = op->above; 1593 decrease (nr);
1587 1594
1588 if (i < op->nrof) 1595 object *op = deep_clone ();
1589 op->nrof -= i; 1596 op->nrof = nr;
1590 else
1591 {
1592 op->remove ();
1593 op->nrof = 0;
1594 }
1595
1596 /* Since we just removed op, op->above is null */
1597 for (tmp = above; tmp; tmp = tmp->above)
1598 if (tmp->type == PLAYER)
1599 {
1600 if (op->nrof)
1601 esrv_send_item (tmp, op);
1602 else
1603 esrv_del_item (tmp->contr, op->count);
1604 }
1605 }
1606
1607 if (op->nrof)
1608 return op; 1597 return op;
1609 else
1610 {
1611 op->destroy ();
1612 return 0;
1613 }
1614}
1615
1616/*
1617 * add_weight(object, weight) adds the specified weight to an object,
1618 * and also updates how much the environment(s) is/are carrying.
1619 */
1620void
1621add_weight (object *op, signed long weight)
1622{
1623 while (op != NULL)
1624 {
1625 if (op->type == CONTAINER)
1626 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1627
1628 op->carrying += weight;
1629 op = op->env;
1630 } 1598 }
1631} 1599}
1632 1600
1633object * 1601object *
1634insert_ob_in_ob (object *op, object *where) 1602insert_ob_in_ob (object *op, object *where)
1659 * be != op, if items are merged. -Tero 1627 * be != op, if items are merged. -Tero
1660 */ 1628 */
1661object * 1629object *
1662object::insert (object *op) 1630object::insert (object *op)
1663{ 1631{
1664 if (!QUERY_FLAG (op, FLAG_REMOVED))
1665 op->remove ();
1666
1667 if (op->more) 1632 if (op->more)
1668 { 1633 {
1669 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1634 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1670 return op; 1635 return op;
1671 } 1636 }
1672 1637
1673 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1638 op->remove ();
1674 CLEAR_FLAG (op, FLAG_REMOVED); 1639
1640 op->flag [FLAG_OBJ_ORIGINAL] = 0;
1675 1641
1676 if (op->nrof) 1642 if (op->nrof)
1677 {
1678 for (object *tmp = inv; tmp; tmp = tmp->below) 1643 for (object *tmp = inv; tmp; tmp = tmp->below)
1679 if (object::can_merge (tmp, op)) 1644 if (object::can_merge (tmp, op))
1680 { 1645 {
1681 /* return the original object and remove inserted object 1646 /* return the original object and remove inserted object
1682 (client needs the original object) */ 1647 (client needs the original object) */
1683 tmp->nrof += op->nrof; 1648 tmp->nrof += op->nrof;
1684 /* Weight handling gets pretty funky. Since we are adding to 1649
1685 * tmp->nrof, we need to increase the weight. 1650 if (object *pl = tmp->visible_to ())
1686 */ 1651 esrv_update_item (UPD_NROF, pl, tmp);
1652
1687 add_weight (this, op->weight * op->nrof); 1653 adjust_weight (this, op->total_weight ());
1688 SET_FLAG (op, FLAG_REMOVED); 1654
1689 op->destroy (); /* free the inserted object */ 1655 op->destroy (1);
1690 op = tmp; 1656 op = tmp;
1691 op->remove (); /* and fix old object's links */ 1657 goto inserted;
1692 CLEAR_FLAG (op, FLAG_REMOVED);
1693 break;
1694 } 1658 }
1695 1659
1696 /* I assume combined objects have no inventory
1697 * We add the weight - this object could have just been removed
1698 * (if it was possible to merge). calling remove_ob will subtract
1699 * the weight, so we need to add it in again, since we actually do
1700 * the linking below
1701 */
1702 add_weight (this, op->weight * op->nrof);
1703 }
1704 else
1705 add_weight (this, (op->weight + op->carrying));
1706
1707 if (object *otmp = this->in_player ())
1708 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1709 otmp->update_stats ();
1710
1711 op->owner = 0; // its his/hers now. period. 1660 op->owner = 0; // it's his/hers now. period.
1712 op->map = 0; 1661 op->map = 0;
1662 op->x = 0;
1663 op->y = 0;
1664
1665 op->above = 0;
1666 op->below = inv;
1713 op->env = this; 1667 op->env = this;
1714 op->above = 0;
1715 op->below = 0;
1716 op->x = op->y = 0;
1717 1668
1669 if (inv)
1670 inv->above = op;
1671
1672 inv = op;
1673
1674 op->flag [FLAG_REMOVED] = 0;
1675
1676 if (object *pl = op->visible_to ())
1677 esrv_send_item (pl, op);
1678
1679 adjust_weight (this, op->total_weight ());
1680
1681inserted:
1718 /* reset the light list and los of the players on the map */ 1682 /* reset the light list and los of the players on the map */
1719 if (op->glow_radius && map) 1683 if (op->glow_radius && map && map->darkness)
1720 {
1721#ifdef DEBUG_LIGHTS
1722 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1723#endif /* DEBUG_LIGHTS */
1724 if (map->darkness)
1725 update_all_los (map, x, y); 1684 update_all_los (map, x, y);
1726 }
1727 1685
1728 /* Client has no idea of ordering so lets not bother ordering it here. 1686 // if this is a player's inventory, update stats
1729 * It sure simplifies this function... 1687 if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1730 */ 1688 update_stats ();
1731 if (!inv)
1732 inv = op;
1733 else
1734 {
1735 op->below = inv;
1736 op->below->above = op;
1737 inv = op;
1738 }
1739 1689
1740 INVOKE_OBJECT (INSERT, this); 1690 INVOKE_OBJECT (INSERT, this);
1741 1691
1742 return op; 1692 return op;
1743} 1693}
1871 LOG (llevError, "Present_arch called outside map.\n"); 1821 LOG (llevError, "Present_arch called outside map.\n");
1872 return NULL; 1822 return NULL;
1873 } 1823 }
1874 1824
1875 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above) 1825 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1876 if (tmp->arch == at) 1826 if (tmp->arch->archname == at->archname)
1877 return tmp; 1827 return tmp;
1878 1828
1879 return NULL; 1829 return NULL;
1880} 1830}
1881 1831
1945 * The first matching object is returned, or NULL if none. 1895 * The first matching object is returned, or NULL if none.
1946 */ 1896 */
1947object * 1897object *
1948present_arch_in_ob (const archetype *at, const object *op) 1898present_arch_in_ob (const archetype *at, const object *op)
1949{ 1899{
1950 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1900 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1951 if (tmp->arch == at) 1901 if (tmp->arch->archname == at->archname)
1952 return tmp; 1902 return tmp;
1953 1903
1954 return NULL; 1904 return NULL;
1955} 1905}
1956 1906
2018 1968
2019 /* However, often 1969 /* However, often
2020 * ob doesn't have any move type (when used to place exits) 1970 * ob doesn't have any move type (when used to place exits)
2021 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 1971 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
2022 */ 1972 */
2023 if (ob->move_type == 0 && ms.move_block != MOVE_ALL) 1973 if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
2024 { 1974 {
2025 altern [index++] = i; 1975 altern [index++] = i;
2026 continue; 1976 continue;
2027 } 1977 }
2028 1978
2365 2315
2366/* 2316/*
2367 * create clone from object to another 2317 * create clone from object to another
2368 */ 2318 */
2369object * 2319object *
2370object_create_clone (object *asrc) 2320object::deep_clone ()
2371{ 2321{
2372 object *dst = 0, *tmp, *src, *prev, *item; 2322 assert (("deep_clone called on non-head object", is_head ()));
2373 2323
2374 if (!asrc) 2324 object *dst = clone ();
2375 return 0;
2376 2325
2377 src = asrc->head_ (); 2326 object *prev = dst;
2378
2379 prev = 0;
2380 for (object *part = src; part; part = part->more) 2327 for (object *part = this->more; part; part = part->more)
2381 { 2328 {
2382 tmp = part->clone (); 2329 object *tmp = part->clone ();
2383 tmp->x -= src->x;
2384 tmp->y -= src->y;
2385
2386 if (!part->head)
2387 {
2388 dst = tmp;
2389 tmp->head = 0;
2390 }
2391 else
2392 tmp->head = dst; 2330 tmp->head = dst;
2393
2394 tmp->more = 0;
2395
2396 if (prev)
2397 prev->more = tmp; 2331 prev->more = tmp;
2398
2399 prev = tmp; 2332 prev = tmp;
2400 } 2333 }
2401 2334
2402 for (item = src->inv; item; item = item->below) 2335 for (object *item = inv; item; item = item->below)
2403 insert_ob_in_ob (object_create_clone (item), dst); 2336 insert_ob_in_ob (item->deep_clone (), dst);
2404 2337
2405 return dst; 2338 return dst;
2406} 2339}
2407 2340
2408/* This returns the first object in who's inventory that 2341/* This returns the first object in who's inventory that
2417 return tmp; 2350 return tmp;
2418 2351
2419 return 0; 2352 return 0;
2420} 2353}
2421 2354
2422/* If ob has a field named key, return the link from the list, 2355const shstr &
2423 * otherwise return NULL. 2356object::kv_get (const shstr &key) const
2424 *
2425 * key must be a passed in shared string - otherwise, this won't
2426 * do the desired thing.
2427 */
2428key_value *
2429get_ob_key_link (const object *ob, const char *key)
2430{ 2357{
2431 for (key_value *link = ob->key_values; link; link = link->next) 2358 for (key_value *kv = key_values; kv; kv = kv->next)
2432 if (link->key == key) 2359 if (kv->key == key)
2433 return link;
2434
2435 return 0;
2436}
2437
2438/*
2439 * Returns the value of op has an extra_field for key, or NULL.
2440 *
2441 * The argument doesn't need to be a shared string.
2442 *
2443 * The returned string is shared.
2444 */
2445const char *
2446get_ob_key_value (const object *op, const char *const key)
2447{
2448 key_value *link;
2449 shstr_cmp canonical_key (key);
2450
2451 if (!canonical_key)
2452 {
2453 /* 1. There being a field named key on any object
2454 * implies there'd be a shared string to find.
2455 * 2. Since there isn't, no object has this field.
2456 * 3. Therefore, *this* object doesn't have this field.
2457 */
2458 return 0;
2459 }
2460
2461 /* This is copied from get_ob_key_link() above -
2462 * only 4 lines, and saves the function call overhead.
2463 */
2464 for (link = op->key_values; link; link = link->next)
2465 if (link->key == canonical_key)
2466 return link->value; 2360 return kv->value;
2467 2361
2468 return 0; 2362 return shstr_null;
2469} 2363}
2470 2364
2471/* 2365void
2472 * Updates the canonical_key in op to value. 2366object::kv_set (const shstr &key, const shstr &value)
2473 *
2474 * canonical_key is a shared string (value doesn't have to be).
2475 *
2476 * Unless add_key is TRUE, it won't add fields, only change the value of existing
2477 * keys.
2478 *
2479 * Returns TRUE on success.
2480 */
2481int
2482set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2483{ 2367{
2484 key_value *field = NULL, *last = NULL; 2368 for (key_value *kv = key_values; kv; kv = kv->next)
2485 2369 if (kv->key == key)
2486 for (field = op->key_values; field != NULL; field = field->next)
2487 {
2488 if (field->key != canonical_key)
2489 { 2370 {
2490 last = field; 2371 kv->value = value;
2491 continue; 2372 return;
2492 } 2373 }
2493 2374
2494 if (value) 2375 key_value *kv = new key_value;
2495 field->value = value; 2376
2496 else 2377 kv->next = key_values;
2378 kv->key = key;
2379 kv->value = value;
2380
2381 key_values = kv;
2382}
2383
2384void
2385object::kv_del (const shstr &key)
2386{
2387 for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
2388 if ((*kvp)->key == key)
2497 { 2389 {
2498 /* Basically, if the archetype has this key set, 2390 key_value *kv = *kvp;
2499 * we need to store the null value so when we save 2391 *kvp = (*kvp)->next;
2500 * it, we save the empty value so that when we load, 2392 delete kv;
2501 * we get this value back again. 2393 return;
2502 */
2503 if (get_ob_key_link (op->arch, canonical_key))
2504 field->value = 0;
2505 else
2506 {
2507 if (last)
2508 last->next = field->next;
2509 else
2510 op->key_values = field->next;
2511
2512 delete field;
2513 }
2514 } 2394 }
2515 return TRUE;
2516 }
2517 /* IF we get here, key doesn't exist */
2518
2519 /* No field, we'll have to add it. */
2520
2521 if (!add_key)
2522 return FALSE;
2523
2524 /* There isn't any good reason to store a null
2525 * value in the key/value list. If the archetype has
2526 * this key, then we should also have it, so shouldn't
2527 * be here. If user wants to store empty strings,
2528 * should pass in ""
2529 */
2530 if (value == NULL)
2531 return TRUE;
2532
2533 field = new key_value;
2534
2535 field->key = canonical_key;
2536 field->value = value;
2537 /* Usual prepend-addition. */
2538 field->next = op->key_values;
2539 op->key_values = field;
2540
2541 return TRUE;
2542}
2543
2544/*
2545 * Updates the key in op to value.
2546 *
2547 * If add_key is FALSE, this will only update existing keys,
2548 * and not add new ones.
2549 * In general, should be little reason FALSE is ever passed in for add_key
2550 *
2551 * Returns TRUE on success.
2552 */
2553int
2554set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2555{
2556 shstr key_ (key);
2557
2558 return set_ob_key_value_s (op, key_, value, add_key);
2559} 2395}
2560 2396
2561object::depth_iterator::depth_iterator (object *container) 2397object::depth_iterator::depth_iterator (object *container)
2562: iterator_base (container) 2398: iterator_base (container)
2563{ 2399{
2613{ 2449{
2614 char flagdesc[512]; 2450 char flagdesc[512];
2615 char info2[256 * 4]; 2451 char info2[256 * 4];
2616 char *p = info; 2452 char *p = info;
2617 2453
2618 p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}", 2454 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2619 count, uuid.seq, 2455 count,
2456 uuid.c_str (),
2620 &name, 2457 &name,
2621 title ? "\",title:\"" : "", 2458 title ? "\",title:\"" : "",
2622 title ? (const char *)title : "", 2459 title ? (const char *)title : "",
2623 flag_desc (flagdesc, 512), type); 2460 flag_desc (flagdesc, 512), type);
2624 2461
2625 if (!this->flag[FLAG_REMOVED] && env) 2462 if (!flag[FLAG_REMOVED] && env)
2626 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2463 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2627 2464
2628 if (map) 2465 if (map)
2629 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y); 2466 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2630 2467
2660object::open_container (object *new_container) 2497object::open_container (object *new_container)
2661{ 2498{
2662 if (container == new_container) 2499 if (container == new_container)
2663 return; 2500 return;
2664 2501
2665 if (object *old_container = container) 2502 object *old_container = container;
2503
2504 if (old_container)
2666 { 2505 {
2667 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this))) 2506 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2668 return; 2507 return;
2669 2508
2670#if 0 2509#if 0
2672 if (object *closer = old_container->inv) 2511 if (object *closer = old_container->inv)
2673 if (closer->type == CLOSE_CON) 2512 if (closer->type == CLOSE_CON)
2674 closer->destroy (); 2513 closer->destroy ();
2675#endif 2514#endif
2676 2515
2516 // make sure the container is available
2517 esrv_send_item (this, old_container);
2518
2677 old_container->flag [FLAG_APPLIED] = 0; 2519 old_container->flag [FLAG_APPLIED] = false;
2678 container = 0; 2520 container = 0;
2679 2521
2522 // client needs item update to make it work, client bug requires this to be separate
2680 esrv_update_item (UPD_FLAGS, this, old_container); 2523 esrv_update_item (UPD_FLAGS, this, old_container);
2524
2681 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container)); 2525 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2682 play_sound (sound_find ("chest_close")); 2526 play_sound (sound_find ("chest_close"));
2683 } 2527 }
2684 2528
2685 if (new_container) 2529 if (new_container)
2698 } 2542 }
2699#endif 2543#endif
2700 2544
2701 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container)); 2545 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2702 2546
2547 // make sure the container is available, client bug requires this to be separate
2548 esrv_send_item (this, new_container);
2549
2703 new_container->flag [FLAG_APPLIED] = 1; 2550 new_container->flag [FLAG_APPLIED] = true;
2704 container = new_container; 2551 container = new_container;
2705 2552
2553 // client needs flag change
2706 esrv_update_item (UPD_FLAGS, this, new_container); 2554 esrv_update_item (UPD_FLAGS, this, new_container);
2707 esrv_send_inventory (this, new_container); 2555 esrv_send_inventory (this, new_container);
2708 play_sound (sound_find ("chest_open")); 2556 play_sound (sound_find ("chest_open"));
2709 } 2557 }
2558// else if (!old_container->env && contr && contr->ns)
2559// contr->ns->floorbox_reset ();
2710} 2560}
2711 2561
2712object * 2562object *
2713object::force_find (const shstr name) 2563object::force_find (const shstr name)
2714{ 2564{
2740 2590
2741 insert (force); 2591 insert (force);
2742} 2592}
2743 2593
2744void 2594void
2745object::play_sound (faceidx sound) const 2595object::play_sound (faceidx sound)
2746{ 2596{
2747 if (!sound) 2597 if (!sound)
2748 return; 2598 return;
2749 2599
2750 if (flag [FLAG_REMOVED]) 2600 if (flag [FLAG_REMOVED])

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