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Comparing deliantra/server/common/object.C (file contents):
Revision 1.203 by root, Fri Apr 11 13:59:05 2008 UTC vs.
Revision 1.212 by root, Mon Apr 21 23:35:24 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
38UUID UUID::cur; 34UUID UUID::cur;
35static uint64_t seq_next_save;
39static const uint64 UUID_SKIP = 1<<19; 36static const uint64 UUID_GAP = 1<<19;
40 37
41objectvec objects; 38objectvec objects;
42activevec actives; 39activevec actives;
43 40
44short freearr_x[SIZEOFFREE] = { 41short freearr_x[SIZEOFFREE] = {
81{ 78{
82 char filename[MAX_BUF]; 79 char filename[MAX_BUF];
83 80
84 sprintf (filename, "%s/uuid", settings.localdir); 81 sprintf (filename, "%s/uuid", settings.localdir);
85 82
83 seq_next_save = 0;
84
86 FILE *fp; 85 FILE *fp;
87 86
88 if (!(fp = fopen (filename, "r"))) 87 if (!(fp = fopen (filename, "r")))
89 { 88 {
90 if (errno == ENOENT) 89 if (errno == ENOENT)
91 { 90 {
92 LOG (llevInfo, "RESET uid to 1\n"); 91 LOG (llevInfo, "RESET uid to 1\n");
93 UUID::cur.seq = 0; 92 UUID::cur.seq = 0;
94 write_uuid (UUID_SKIP, true); 93 write_uuid (UUID_GAP, true);
95 return; 94 return;
96 } 95 }
97 96
98 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename); 97 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
99 _exit (1); 98 _exit (1);
109 _exit (1); 108 _exit (1);
110 } 109 }
111 110
112 LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ()); 111 LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113 112
114 write_uuid (UUID_SKIP, true); 113 write_uuid (UUID_GAP, true);
115 fclose (fp); 114 fclose (fp);
116} 115}
117 116
118UUID 117UUID
119UUID::gen () 118UUID::gen ()
120{ 119{
121 UUID uid; 120 UUID uid;
122 121
123 uid.seq = ++cur.seq; 122 uid.seq = ++cur.seq;
124 123
125 if (expect_false (!(cur.seq & (UUID_SKIP - 1)))) 124 if (expect_false (cur.seq >= seq_next_save))
125 {
126 seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
126 write_uuid (UUID_SKIP, false); 127 write_uuid (UUID_GAP, false);
128 }
129
127 130
128 return uid; 131 return uid;
129} 132}
130 133
131void 134void
133{ 136{
134 read_uuid (); 137 read_uuid ();
135} 138}
136 139
137/* 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. */
138static int 141static bool
139compare_ob_value_lists_one (const object *wants, const object *has) 142compare_ob_value_lists_one (const object *wants, const object *has)
140{ 143{
141 key_value *wants_field; 144 key_value *wants_field;
142 145
143 /* 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
151 key_value *has_field; 154 key_value *has_field;
152 155
153 /* Look for a field in has with the same key. */ 156 /* Look for a field in has with the same key. */
154 has_field = get_ob_key_link (has, wants_field->key); 157 has_field = get_ob_key_link (has, wants_field->key);
155 158
156 if (has_field == NULL) 159 if (!has_field)
157 {
158 /* No field with that name. */ 160 return 0; /* No field with that name. */
159 return FALSE;
160 }
161 161
162 /* Found the matching field. */ 162 /* Found the matching field. */
163 if (has_field->value != wants_field->value) 163 if (has_field->value != wants_field->value)
164 {
165 /* 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. */
166 return FALSE;
167 }
168 165
169 /* 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. */
170 } 167 }
171 168
172 /* 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. */
173 return TRUE; 170 return 1;
174} 171}
175 172
176/* Returns TRUE if ob1 has the same key_values as ob2. */ 173/* Returns TRUE if ob1 has the same key_values as ob2. */
177static int 174static bool
178compare_ob_value_lists (const object *ob1, const object *ob2) 175compare_ob_value_lists (const object *ob1, const object *ob2)
179{ 176{
180 /* 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,
181 * so we need to run the comparison *twice*. :( 178 * so we need to run the comparison *twice*. :(
182 */ 179 */
203 || ob1->speed != ob2->speed 200 || ob1->speed != ob2->speed
204 || ob1->value != ob2->value 201 || ob1->value != ob2->value
205 || ob1->name != ob2->name) 202 || ob1->name != ob2->name)
206 return 0; 203 return 0;
207 204
208 //TODO: this ain't working well, use nicer and correct overflow check 205 /* Do not merge objects if nrof would overflow. First part checks
209 /* 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
210 * 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
211 * used to store nrof). 208 * nrof values.
212 */ 209 */
213 if (ob1->nrof + ob2->nrof >= 1UL << 31) 210 if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
214 return 0; 211 return 0;
215 212
216 /* If the objects have been identified, set the BEEN_APPLIED flag. 213 /* If the objects have been identified, set the BEEN_APPLIED flag.
217 * 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
218 * 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
219 * 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
220 * flags lose any meaning. 217 * flags lose any meaning.
221 */ 218 */
222 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED)) 219 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
223 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 220 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
224 221
225 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 222 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
226 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 223 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
227 224
228 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any () 225 if (ob1->arch->name != ob2->arch->name
229 || ob1->arch != ob2->arch
230 || ob1->name != ob2->name 226 || ob1->name != ob2->name
231 || ob1->title != ob2->title 227 || ob1->title != ob2->title
232 || ob1->msg != ob2->msg 228 || ob1->msg != ob2->msg
233 || ob1->weight != ob2->weight 229 || ob1->weight != ob2->weight
234 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
236 || ob1->attacktype != ob2->attacktype 230 || ob1->attacktype != ob2->attacktype
237 || ob1->magic != ob2->magic 231 || ob1->magic != ob2->magic
238 || ob1->slaying != ob2->slaying 232 || ob1->slaying != ob2->slaying
239 || ob1->skill != ob2->skill 233 || ob1->skill != ob2->skill
240 || ob1->value != ob2->value 234 || ob1->value != ob2->value
247 || ob1->move_block != ob2->move_block 241 || ob1->move_block != ob2->move_block
248 || ob1->move_allow != ob2->move_allow 242 || ob1->move_allow != ob2->move_allow
249 || ob1->move_on != ob2->move_on 243 || ob1->move_on != ob2->move_on
250 || ob1->move_off != ob2->move_off 244 || ob1->move_off != ob2->move_off
251 || ob1->move_slow != ob2->move_slow 245 || ob1->move_slow != ob2->move_slow
252 || 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)))
253 return 0; 249 return 0;
254 250
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
255 /* This is really a spellbook check - really, we should 258 /* This is really a spellbook check - we should in general
256 * check all objects in the inventory. 259 * not merge objects with real inventories, as splitting them
260 * is hard.
257 */ 261 */
258 if (ob1->inv || ob2->inv) 262 if (ob1->inv || ob2->inv)
259 { 263 {
260 if (!(ob1->inv && ob2->inv)) 264 if (!(ob1->inv && ob2->inv))
261 return 0; /* inventories differ in length */ 265 return 0; /* inventories differ in length */
262 266
263 if (ob1->inv->below || ob2->inv->below) 267 if (ob1->inv->below || ob2->inv->below)
264 return 0; /* more than one object in inv */ 268 return 0; /* more than one object in inv */
265 269
266 if (!object::can_merge (ob1->inv, ob2->inv)) 270 if (!object::can_merge (ob1->inv, ob2->inv))
267 return 0; /* inventory objexts differ */ 271 return 0; /* inventory objects differ */
268 272
269 /* 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
270 * if it is valid. 274 * if it is valid.
271 */ 275 */
272 } 276 }
291 if (ob1->level != ob2->level) 295 if (ob1->level != ob2->level)
292 return 0; 296 return 0;
293 break; 297 break;
294 } 298 }
295 299
296 if (ob1->key_values != NULL || ob2->key_values != NULL) 300 if (ob1->key_values || ob2->key_values)
297 { 301 {
298 /* At least one of these has key_values. */ 302 /* At least one of these has key_values. */
299 if ((ob1->key_values == NULL) != (ob2->key_values == NULL)) 303 if ((!ob1->key_values) != (!ob2->key_values))
300 /* One has fields, but the other one doesn't. */ 304 return 0; /* One has fields, but the other one doesn't. */
301 return 0; 305
302 else if (!compare_ob_value_lists (ob1, ob2)) 306 if (!compare_ob_value_lists (ob1, ob2))
303 return 0; 307 return 0;
304 } 308 }
305 309
306 if (ob1->self || ob2->self) 310 if (ob1->self || ob2->self)
307 { 311 {
313 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0; 317 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
314 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0; 318 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
315 319
316 if (k1 != k2) 320 if (k1 != k2)
317 return 0; 321 return 0;
322
318 else if (k1 == 0) 323 if (k1 == 0)
319 return 1; 324 return 1;
325
320 else if (!cfperl_can_merge (ob1, ob2)) 326 if (!cfperl_can_merge (ob1, ob2))
321 return 0; 327 return 0;
322 } 328 }
323 } 329 }
324 330
325 /* Everything passes, must be OK. */ 331 /* Everything passes, must be OK. */
326 return 1; 332 return 1;
327} 333}
328 334
335// adjust weight per container type ("of holding")
336static sint32
337weight_adjust (object *op, sint32 weight)
338{
339 return op->type == CONTAINER
340 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
341 : weight;
342}
343
329/* 344/*
345 * adjust_weight(object, weight) adds the specified weight to an object,
346 * and also updates how much the environment(s) is/are carrying.
347 */
348static void
349adjust_weight (object *op, sint32 weight)
350{
351 while (op)
352 {
353 weight = weight_adjust (op, weight);
354
355 if (!weight)
356 return;
357
358 op->carrying += weight;
359
360 if (object *pl = op->visible_to ())
361 esrv_update_item (UPD_WEIGHT, pl, op);
362
363 op = op->env;
364 }
365}
366
367/*
330 * sum_weight() is a recursive function which calculates the weight 368 * this is a recursive function which calculates the weight
331 * an object is carrying. It goes through in figures out how much 369 * an object is carrying. It goes through op and figures out how much
332 * containers are carrying, and sums it up. 370 * containers are carrying, and sums it up.
333 */ 371 */
334long 372void
335sum_weight (object *op) 373object::update_weight ()
336{ 374{
337 long sum; 375 sint32 sum = 0;
338 object *inv;
339 376
340 for (sum = 0, inv = op->inv; inv; inv = inv->below) 377 for (object *op = inv; op; op = op->below)
341 { 378 {
342 if (inv->inv) 379 if (op->inv)
343 sum_weight (inv); 380 op->update_weight ();
344 381
345 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 382 sum += op->total_weight ();
383 }
384
385 sum = weight_adjust (this, sum);
386
387 if (sum != carrying)
346 } 388 {
347
348 if (op->type == CONTAINER && op->stats.Str)
349 sum = (sum * (100 - op->stats.Str)) / 100;
350
351 if (op->carrying != sum)
352 op->carrying = sum; 389 carrying = sum;
353 390
354 return sum; 391 if (object *pl = visible_to ())
392 esrv_update_item (UPD_WEIGHT, pl, this);
393 }
355} 394}
356 395
357/** 396/*
358 * Return the outermost environment object for a given object. 397 * Used by: Server DM commands: dumpbelow, dump. Some error messages.
359 */
360
361object *
362object_get_env_recursive (object *op)
363{
364 while (op->env != NULL)
365 op = op->env;
366 return op;
367}
368
369/*
370 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
371 * Some error messages.
372 * The result of the dump is stored in the static global errmsg array.
373 */ 398 */
374char * 399char *
375dump_object (object *op) 400dump_object (object *op)
376{ 401{
377 if (!op) 402 if (!op)
391get_nearest_part (object *op, const object *pl) 416get_nearest_part (object *op, const object *pl)
392{ 417{
393 object *tmp, *closest; 418 object *tmp, *closest;
394 int last_dist, i; 419 int last_dist, i;
395 420
396 if (op->more == NULL) 421 if (!op->more)
397 return op; 422 return op;
423
398 for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more) 424 for (last_dist = distance (op, pl), closest = op, tmp = op->more;
425 tmp;
426 tmp = tmp->more)
399 if ((i = distance (tmp, pl)) < last_dist) 427 if ((i = distance (tmp, pl)) < last_dist)
400 closest = tmp, last_dist = i; 428 closest = tmp, last_dist = i;
429
401 return closest; 430 return closest;
402} 431}
403 432
404/* 433/*
405 * Returns the object which has the count-variable equal to the argument. 434 * Returns the object which has the count-variable equal to the argument.
435 * VERRRY slow.
406 */ 436 */
407object * 437object *
408find_object (tag_t i) 438find_object (tag_t i)
409{ 439{
410 for_all_objects (op) 440 for_all_objects (op)
861 * if some form of movement is allowed, let objects 891 * if some form of movement is allowed, let objects
862 * drop on that space. 892 * drop on that space.
863 */ 893 */
864 if (!drop_to_ground 894 if (!drop_to_ground
865 || !map 895 || !map
866 || map->in_memory != MAP_IN_MEMORY 896 || map->in_memory != MAP_ACTIVE
867 || map->nodrop 897 || map->nodrop
868 || ms ().move_block == MOVE_ALL) 898 || ms ().move_block == MOVE_ALL)
869 { 899 {
870 while (inv) 900 while (inv)
871 { 901 {
900} 930}
901 931
902void 932void
903object::do_destroy () 933object::do_destroy ()
904{ 934{
935 if (object *pl = visible_to ())
936 esrv_del_item (pl->contr, count);
937
905 attachable::do_destroy (); 938 attachable::do_destroy ();
906 939
907 if (flag [FLAG_IS_LINKED]) 940 if (flag [FLAG_IS_LINKED])
908 remove_button_link (this); 941 remove_button_link (this);
909 942
933 freed_map->width = 3; 966 freed_map->width = 3;
934 freed_map->height = 3; 967 freed_map->height = 3;
935 freed_map->nodrop = 1; 968 freed_map->nodrop = 1;
936 969
937 freed_map->alloc (); 970 freed_map->alloc ();
938 freed_map->in_memory = MAP_IN_MEMORY; 971 freed_map->in_memory = MAP_ACTIVE;
939 } 972 }
940 973
941 map = freed_map; 974 map = freed_map;
942 x = 1; 975 x = 1;
943 y = 1; 976 y = 1;
972 play_sound (sound_destroy); 1005 play_sound (sound_destroy);
973 else if (flag [FLAG_MONSTER]) 1006 else if (flag [FLAG_MONSTER])
974 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism 1007 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
975 1008
976 attachable::destroy (); 1009 attachable::destroy ();
977}
978
979/*
980 * sub_weight() recursively (outwards) subtracts a number from the
981 * weight of an object (and what is carried by it's environment(s)).
982 */
983void
984sub_weight (object *op, signed long weight)
985{
986 while (op != NULL)
987 {
988 if (op->type == CONTAINER)
989 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
990
991 op->carrying -= weight;
992 op = op->env;
993 }
994} 1010}
995 1011
996/* op->remove (): 1012/* op->remove ():
997 * This function removes the object op from the linked list of objects 1013 * This function removes the object op from the linked list of objects
998 * which it is currently tied to. When this function is done, the 1014 * which it is currently tied to. When this function is done, the
1019 * In this case, the object to be removed is in someones 1035 * In this case, the object to be removed is in someones
1020 * inventory. 1036 * inventory.
1021 */ 1037 */
1022 if (env) 1038 if (env)
1023 { 1039 {
1040 adjust_weight (env, -total_weight ());
1041
1042 *(above ? &above->below : &env->inv) = below;
1043
1024 if (nrof) 1044 if (below)
1025 sub_weight (env, weight * nrof); 1045 below->above = above;
1026 else 1046
1027 sub_weight (env, weight + carrying); 1047 /* we set up values so that it could be inserted into
1048 * the map, but we don't actually do that - it is up
1049 * to the caller to decide what we want to do.
1050 */
1051 map = env->map;
1052 x = env->x;
1053 y = env->y;
1054 above = 0;
1055 below = 0;
1056 env = 0;
1028 1057
1029 /* NO_FIX_PLAYER is set when a great many changes are being 1058 /* NO_FIX_PLAYER is set when a great many changes are being
1030 * made to players inventory. If set, avoiding the call 1059 * made to players inventory. If set, avoiding the call
1031 * to save cpu time. 1060 * to save cpu time.
1032 */ 1061 */
1033 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1062 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1034 otmp->update_stats (); 1063 otmp->update_stats ();
1035
1036 if (above)
1037 above->below = below;
1038 else
1039 env->inv = below;
1040
1041 if (below)
1042 below->above = above;
1043
1044 /* we set up values so that it could be inserted into
1045 * the map, but we don't actually do that - it is up
1046 * to the caller to decide what we want to do.
1047 */
1048 x = env->x, y = env->y;
1049 map = env->map;
1050 above = 0, below = 0;
1051 env = 0;
1052 } 1064 }
1053 else if (map) 1065 else if (map)
1054 { 1066 {
1055 if (type == PLAYER) 1067 if (type == PLAYER)
1056 { 1068 {
1269 if (op->nrof && !(flag & INS_NO_MERGE)) 1281 if (op->nrof && !(flag & INS_NO_MERGE))
1270 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1282 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1271 if (object::can_merge (op, tmp)) 1283 if (object::can_merge (op, tmp))
1272 { 1284 {
1273 op->nrof += tmp->nrof; 1285 op->nrof += tmp->nrof;
1274 tmp->destroy (); 1286 tmp->destroy (1);
1275 } 1287 }
1276 1288
1277 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1289 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1278 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1290 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1279 1291
1459 * op is the object to insert it under: supplies x and the map. 1471 * op is the object to insert it under: supplies x and the map.
1460 */ 1472 */
1461void 1473void
1462replace_insert_ob_in_map (const char *arch_string, object *op) 1474replace_insert_ob_in_map (const char *arch_string, object *op)
1463{ 1475{
1464 object *tmp, *tmp1;
1465
1466 /* first search for itself and remove any old instances */ 1476 /* first search for itself and remove any old instances */
1467 1477
1468 for (tmp = op->ms ().bot; tmp; tmp = tmp->above) 1478 for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1469 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */ 1479 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1470 tmp->destroy (); 1480 tmp->destroy (1);
1471 1481
1472 tmp1 = arch_to_object (archetype::find (arch_string)); 1482 object *tmp = arch_to_object (archetype::find (arch_string));
1473 1483
1474 tmp1->x = op->x; 1484 tmp->x = op->x;
1475 tmp1->y = op->y; 1485 tmp->y = op->y;
1486
1476 insert_ob_in_map (tmp1, op->map, op, 0); 1487 insert_ob_in_map (tmp, op->map, op, 0);
1477} 1488}
1478 1489
1479object * 1490object *
1480object::insert_at (object *where, object *originator, int flags) 1491object::insert_at (object *where, object *originator, int flags)
1481{ 1492{
1493 if (where->env)
1494 return where->env->insert (this);
1495 else
1482 return where->map->insert (this, where->x, where->y, originator, flags); 1496 return where->map->insert (this, where->x, where->y, originator, flags);
1483} 1497}
1484 1498
1485/* 1499// find player who can see this object
1486 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1487 * is returned contains nr objects, and the remaining parts contains
1488 * the rest (or is removed and freed if that number is 0).
1489 * On failure, NULL is returned, and the reason put into the
1490 * global static errmsg array.
1491 */
1492object * 1500object *
1493get_split_ob (object *orig_ob, uint32 nr) 1501object::visible_to () const
1494{ 1502{
1495 object *newob; 1503 if (!flag [FLAG_REMOVED])
1496 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1497
1498 if (orig_ob->nrof < nr)
1499 {
1500 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1501 return NULL;
1502 } 1504 {
1503 1505 // see if we are in a container of sorts
1504 newob = object_create_clone (orig_ob); 1506 if (env)
1505
1506 if ((orig_ob->nrof -= nr) < 1)
1507 orig_ob->destroy (1);
1508 else if (!is_removed)
1509 {
1510 if (orig_ob->env != NULL)
1511 sub_weight (orig_ob->env, orig_ob->weight * nr);
1512 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1513 {
1514 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1515 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1516 return NULL;
1517 } 1507 {
1518 } 1508 // the player inventory itself is always visible
1509 if (env->type == PLAYER)
1510 return env;
1519 1511
1520 newob->nrof = nr; 1512 // else a player could have our env open
1513 object *envest = env->outer_env ();
1521 1514
1515 // the player itself is always on a map, so we will find him here
1516 // even if our inv is in a player.
1517 if (envest->is_on_map ())
1518 if (object *pl = envest->ms ().player ())
1519 if (pl->container == env)
1520 return pl;
1521 }
1522 else
1523 {
1524 // maybe there is a player standing on the same mapspace
1525 // this will catch the case where "this" is a player
1526 if (object *pl = ms ().player ())
1527 return pl;
1528 }
1529 }
1530
1522 return newob; 1531 return 0;
1523} 1532}
1524 1533
1525/* 1534/*
1526 * decrease_ob_nr(object, number) decreases a specified number from 1535 * decrease(object, number) decreases a specified number from
1527 * the amount of an object. If the amount reaches 0, the object 1536 * the amount of an object. If the amount reaches 0, the object
1528 * is subsequently removed and freed. 1537 * is subsequently removed and freed.
1529 * 1538 *
1530 * Return value: 'op' if something is left, NULL if the amount reached 0 1539 * Return value: 'op' if something is left, NULL if the amount reached 0
1531 */ 1540 */
1541bool
1542object::decrease (sint32 nr)
1543{
1544 if (!nr)
1545 return true;
1546
1547 nr = min (nr, nrof);
1548
1549 nrof -= nr;
1550
1551 if (nrof)
1552 {
1553 adjust_weight (env, -weight * nr); // carrying == 0
1554
1555 if (object *pl = visible_to ())
1556 esrv_update_item (UPD_NROF, pl, this);
1557
1558 return true;
1559 }
1560 else
1561 {
1562 destroy (1);
1563 return false;
1564 }
1565}
1566
1567/*
1568 * split(ob,nr) splits up ob into two parts. The part which
1569 * is returned contains nr objects, and the remaining parts contains
1570 * the rest (or is removed and returned if that number is 0).
1571 * On failure, NULL is returned.
1572 */
1532object * 1573object *
1533decrease_ob_nr (object *op, uint32 i) 1574object::split (sint32 nr)
1534{ 1575{
1535 object *tmp; 1576 int have = number_of ();
1536 1577
1537 if (i == 0) /* objects with op->nrof require this check */ 1578 if (have < nr)
1538 return op; 1579 return 0;
1539 1580 else if (have == nr)
1540 if (i > op->nrof)
1541 i = op->nrof;
1542
1543 if (QUERY_FLAG (op, FLAG_REMOVED))
1544 op->nrof -= i;
1545 else if (op->env)
1546 { 1581 {
1547 /* is this object in the players inventory, or sub container
1548 * therein?
1549 */
1550 tmp = op->in_player ();
1551 /* nope. Is this a container the player has opened?
1552 * If so, set tmp to that player.
1553 * IMO, searching through all the players will mostly
1554 * likely be quicker than following op->env to the map,
1555 * and then searching the map for a player.
1556 */
1557 if (!tmp)
1558 for_all_players (pl)
1559 if (pl->ob->container == op->env)
1560 {
1561 tmp = pl->ob;
1562 break;
1563 }
1564
1565 if (i < op->nrof)
1566 {
1567 sub_weight (op->env, op->weight * i);
1568 op->nrof -= i;
1569 if (tmp)
1570 esrv_send_item (tmp, op);
1571 }
1572 else
1573 {
1574 op->remove (); 1582 remove ();
1575 op->nrof = 0; 1583 return this;
1576 if (tmp)
1577 esrv_del_item (tmp->contr, op->count);
1578 }
1579 } 1584 }
1580 else 1585 else
1581 { 1586 {
1582 object *above = op->above; 1587 decrease (nr);
1583 1588
1584 if (i < op->nrof) 1589 object *op = object_create_clone (this);
1585 op->nrof -= i; 1590 op->nrof = nr;
1586 else
1587 {
1588 op->remove ();
1589 op->nrof = 0;
1590 }
1591
1592 /* Since we just removed op, op->above is null */
1593 for (tmp = above; tmp; tmp = tmp->above)
1594 if (tmp->type == PLAYER)
1595 {
1596 if (op->nrof)
1597 esrv_send_item (tmp, op);
1598 else
1599 esrv_del_item (tmp->contr, op->count);
1600 }
1601 }
1602
1603 if (op->nrof)
1604 return op; 1591 return op;
1605 else
1606 {
1607 op->destroy ();
1608 return 0;
1609 }
1610}
1611
1612/*
1613 * add_weight(object, weight) adds the specified weight to an object,
1614 * and also updates how much the environment(s) is/are carrying.
1615 */
1616void
1617add_weight (object *op, signed long weight)
1618{
1619 while (op != NULL)
1620 {
1621 if (op->type == CONTAINER)
1622 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1623
1624 op->carrying += weight;
1625 op = op->env;
1626 } 1592 }
1627} 1593}
1628 1594
1629object * 1595object *
1630insert_ob_in_ob (object *op, object *where) 1596insert_ob_in_ob (object *op, object *where)
1655 * be != op, if items are merged. -Tero 1621 * be != op, if items are merged. -Tero
1656 */ 1622 */
1657object * 1623object *
1658object::insert (object *op) 1624object::insert (object *op)
1659{ 1625{
1660 if (!QUERY_FLAG (op, FLAG_REMOVED))
1661 op->remove ();
1662
1663 if (op->more) 1626 if (op->more)
1664 { 1627 {
1665 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1628 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1666 return op; 1629 return op;
1667 } 1630 }
1668 1631
1669 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1632 op->remove ();
1670 CLEAR_FLAG (op, FLAG_REMOVED); 1633
1634 op->flag [FLAG_OBJ_ORIGINAL] = 0;
1671 1635
1672 if (op->nrof) 1636 if (op->nrof)
1673 {
1674 for (object *tmp = inv; tmp; tmp = tmp->below) 1637 for (object *tmp = inv; tmp; tmp = tmp->below)
1675 if (object::can_merge (tmp, op)) 1638 if (object::can_merge (tmp, op))
1676 { 1639 {
1677 /* return the original object and remove inserted object 1640 /* return the original object and remove inserted object
1678 (client needs the original object) */ 1641 (client needs the original object) */
1679 tmp->nrof += op->nrof; 1642 tmp->nrof += op->nrof;
1680 /* Weight handling gets pretty funky. Since we are adding to
1681 * tmp->nrof, we need to increase the weight.
1682 */
1683 add_weight (this, op->weight * op->nrof); 1643 adjust_weight (this, op->total_weight ());
1684 SET_FLAG (op, FLAG_REMOVED); 1644
1685 op->destroy (); /* free the inserted object */ 1645 op->destroy (1);
1686 op = tmp; 1646 op = tmp;
1687 op->remove (); /* and fix old object's links */ 1647 goto inserted;
1688 CLEAR_FLAG (op, FLAG_REMOVED);
1689 break;
1690 } 1648 }
1691 1649
1692 /* I assume combined objects have no inventory 1650 op->owner = 0; // it's his/hers now. period.
1693 * We add the weight - this object could have just been removed 1651 op->map = 0;
1694 * (if it was possible to merge). calling remove_ob will subtract 1652 op->x = 0;
1695 * the weight, so we need to add it in again, since we actually do 1653 op->y = 0;
1696 * the linking below
1697 */
1698 add_weight (this, op->weight * op->nrof);
1699 }
1700 else
1701 add_weight (this, (op->weight + op->carrying));
1702 1654
1655 op->above = 0;
1656 op->below = inv;
1657 op->env = this;
1658
1659 if (inv)
1660 inv->above = op;
1661
1662 inv = op;
1663
1664 op->flag [FLAG_REMOVED] = 0;
1665
1666 adjust_weight (this, op->total_weight ());
1667
1668inserted:
1669 /* reset the light list and los of the players on the map */
1670 if (op->glow_radius && map && map->darkness)
1671 update_all_los (map, x, y);
1672
1703 if (object *otmp = this->in_player ()) 1673 if (object *otmp = in_player ())
1704 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1674 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1705 otmp->update_stats (); 1675 otmp->update_stats ();
1706
1707 op->owner = 0; // its his/hers now. period.
1708 op->map = 0;
1709 op->env = this;
1710 op->above = 0;
1711 op->below = 0;
1712 op->x = op->y = 0;
1713
1714 /* reset the light list and los of the players on the map */
1715 if (op->glow_radius && map)
1716 {
1717#ifdef DEBUG_LIGHTS
1718 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1719#endif /* DEBUG_LIGHTS */
1720 if (map->darkness)
1721 update_all_los (map, x, y);
1722 }
1723
1724 /* Client has no idea of ordering so lets not bother ordering it here.
1725 * It sure simplifies this function...
1726 */
1727 if (!inv)
1728 inv = op;
1729 else
1730 {
1731 op->below = inv;
1732 op->below->above = op;
1733 inv = op;
1734 }
1735 1676
1736 INVOKE_OBJECT (INSERT, this); 1677 INVOKE_OBJECT (INSERT, this);
1737 1678
1738 return op; 1679 return op;
1739} 1680}
2737 2678
2738 insert (force); 2679 insert (force);
2739} 2680}
2740 2681
2741void 2682void
2742object::play_sound (faceidx sound) const 2683object::play_sound (faceidx sound)
2743{ 2684{
2744 if (!sound) 2685 if (!sound)
2745 return; 2686 return;
2746 2687
2747 if (flag [FLAG_REMOVED]) 2688 if (flag [FLAG_REMOVED])

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