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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 1.211 by root, Mon Apr 21 21:32:32 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>
34#include <loader.h> 31#include <loader.h>
35 32
36#include <bitset> 33#include <bitset>
37 34
38UUID UUID::cur; 35UUID UUID::cur;
36static uint64_t seq_next_save;
39static const uint64 UUID_SKIP = 1<<19; 37static const uint64 UUID_GAP = 1<<19;
40 38
41objectvec objects; 39objectvec objects;
42activevec actives; 40activevec actives;
43 41
44short freearr_x[SIZEOFFREE] = { 42short freearr_x[SIZEOFFREE] = {
81{ 79{
82 char filename[MAX_BUF]; 80 char filename[MAX_BUF];
83 81
84 sprintf (filename, "%s/uuid", settings.localdir); 82 sprintf (filename, "%s/uuid", settings.localdir);
85 83
84 seq_next_save = 0;
85
86 FILE *fp; 86 FILE *fp;
87 87
88 if (!(fp = fopen (filename, "r"))) 88 if (!(fp = fopen (filename, "r")))
89 { 89 {
90 if (errno == ENOENT) 90 if (errno == ENOENT)
91 { 91 {
92 LOG (llevInfo, "RESET uid to 1\n"); 92 LOG (llevInfo, "RESET uid to 1\n");
93 UUID::cur.seq = 0; 93 UUID::cur.seq = 0;
94 write_uuid (UUID_SKIP, true); 94 write_uuid (UUID_GAP, true);
95 return; 95 return;
96 } 96 }
97 97
98 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename); 98 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
99 _exit (1); 99 _exit (1);
109 _exit (1); 109 _exit (1);
110 } 110 }
111 111
112 LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ()); 112 LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113 113
114 write_uuid (UUID_SKIP, true); 114 write_uuid (UUID_GAP, true);
115 fclose (fp); 115 fclose (fp);
116} 116}
117 117
118UUID 118UUID
119UUID::gen () 119UUID::gen ()
120{ 120{
121 UUID uid; 121 UUID uid;
122 122
123 uid.seq = ++cur.seq; 123 uid.seq = ++cur.seq;
124 124
125 if (expect_false (!(cur.seq & (UUID_SKIP - 1)))) 125 if (expect_false (cur.seq >= seq_next_save))
126 {
127 seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
126 write_uuid (UUID_SKIP, false); 128 write_uuid (UUID_GAP, false);
129 }
130
127 131
128 return uid; 132 return uid;
129} 133}
130 134
131void 135void
133{ 137{
134 read_uuid (); 138 read_uuid ();
135} 139}
136 140
137/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 141/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
138static int 142static bool
139compare_ob_value_lists_one (const object *wants, const object *has) 143compare_ob_value_lists_one (const object *wants, const object *has)
140{ 144{
141 key_value *wants_field; 145 key_value *wants_field;
142 146
143 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both 147 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both
151 key_value *has_field; 155 key_value *has_field;
152 156
153 /* Look for a field in has with the same key. */ 157 /* Look for a field in has with the same key. */
154 has_field = get_ob_key_link (has, wants_field->key); 158 has_field = get_ob_key_link (has, wants_field->key);
155 159
156 if (has_field == NULL) 160 if (!has_field)
157 {
158 /* No field with that name. */ 161 return 0; /* No field with that name. */
159 return FALSE;
160 }
161 162
162 /* Found the matching field. */ 163 /* Found the matching field. */
163 if (has_field->value != wants_field->value) 164 if (has_field->value != wants_field->value)
164 {
165 /* Values don't match, so this half of the comparison is false. */ 165 return 0; /* Values don't match, so this half of the comparison is false. */
166 return FALSE;
167 }
168 166
169 /* If we get here, we found a match. Now for the next field in wants. */ 167 /* If we get here, we found a match. Now for the next field in wants. */
170 } 168 }
171 169
172 /* If we get here, every field in wants has a matching field in has. */ 170 /* If we get here, every field in wants has a matching field in has. */
173 return TRUE; 171 return 1;
174} 172}
175 173
176/* Returns TRUE if ob1 has the same key_values as ob2. */ 174/* Returns TRUE if ob1 has the same key_values as ob2. */
177static int 175static bool
178compare_ob_value_lists (const object *ob1, const object *ob2) 176compare_ob_value_lists (const object *ob1, const object *ob2)
179{ 177{
180 /* However, there may be fields in has which aren't partnered in wants, 178 /* However, there may be fields in has which aren't partnered in wants,
181 * so we need to run the comparison *twice*. :( 179 * so we need to run the comparison *twice*. :(
182 */ 180 */
203 || ob1->speed != ob2->speed 201 || ob1->speed != ob2->speed
204 || ob1->value != ob2->value 202 || ob1->value != ob2->value
205 || ob1->name != ob2->name) 203 || ob1->name != ob2->name)
206 return 0; 204 return 0;
207 205
208 //TODO: this ain't working well, use nicer and correct overflow check 206 /* 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 207 * for unsigned overflow (2c), second part checks whether the result
210 * value could not be stored in a sint32 (which unfortunately sometimes is 208 * would fit into a 32 bit signed int, which is often used to hold
211 * used to store nrof). 209 * nrof values.
212 */ 210 */
213 if (ob1->nrof + ob2->nrof >= 1UL << 31) 211 if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
214 return 0; 212 return 0;
215 213
216 /* If the objects have been identified, set the BEEN_APPLIED flag. 214 /* 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 215 * 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 216 * 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 217 * are not equal - just if it has been identified, the been_applied
220 * flags lose any meaning. 218 * flags lose any meaning.
221 */ 219 */
222 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED)) 220 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
223 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 221 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
224 222
225 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 223 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
226 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 224 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
227 225
228 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any () 226 if (ob1->arch->name != ob2->arch->name
229 || ob1->arch != ob2->arch
230 || ob1->name != ob2->name 227 || ob1->name != ob2->name
231 || ob1->title != ob2->title 228 || ob1->title != ob2->title
232 || ob1->msg != ob2->msg 229 || ob1->msg != ob2->msg
233 || ob1->weight != ob2->weight 230 || 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 231 || ob1->attacktype != ob2->attacktype
237 || ob1->magic != ob2->magic 232 || ob1->magic != ob2->magic
238 || ob1->slaying != ob2->slaying 233 || ob1->slaying != ob2->slaying
239 || ob1->skill != ob2->skill 234 || ob1->skill != ob2->skill
240 || ob1->value != ob2->value 235 || ob1->value != ob2->value
247 || ob1->move_block != ob2->move_block 242 || ob1->move_block != ob2->move_block
248 || ob1->move_allow != ob2->move_allow 243 || ob1->move_allow != ob2->move_allow
249 || ob1->move_on != ob2->move_on 244 || ob1->move_on != ob2->move_on
250 || ob1->move_off != ob2->move_off 245 || ob1->move_off != ob2->move_off
251 || ob1->move_slow != ob2->move_slow 246 || ob1->move_slow != ob2->move_slow
252 || ob1->move_slow_penalty != ob2->move_slow_penalty) 247 || ob1->move_slow_penalty != ob2->move_slow_penalty
248 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
249 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253 return 0; 250 return 0;
254 251
252 if ((ob1->flag ^ ob2->flag)
253 .reset (FLAG_INV_LOCKED)
254 .reset (FLAG_CLIENT_SENT)
255 .reset (FLAG_REMOVED)
256 .any ())
257 return 0;
258
255 /* This is really a spellbook check - really, we should 259 /* This is really a spellbook check - we should in general
256 * check all objects in the inventory. 260 * not merge objects with real inventories, as splitting them
261 * is hard.
257 */ 262 */
258 if (ob1->inv || ob2->inv) 263 if (ob1->inv || ob2->inv)
259 { 264 {
260 if (!(ob1->inv && ob2->inv)) 265 if (!(ob1->inv && ob2->inv))
261 return 0; /* inventories differ in length */ 266 return 0; /* inventories differ in length */
262 267
263 if (ob1->inv->below || ob2->inv->below) 268 if (ob1->inv->below || ob2->inv->below)
264 return 0; /* more than one object in inv */ 269 return 0; /* more than one object in inv */
265 270
266 if (!object::can_merge (ob1->inv, ob2->inv)) 271 if (!object::can_merge (ob1->inv, ob2->inv))
267 return 0; /* inventory objexts differ */ 272 return 0; /* inventory objects differ */
268 273
269 /* inventory ok - still need to check rest of this object to see 274 /* inventory ok - still need to check rest of this object to see
270 * if it is valid. 275 * if it is valid.
271 */ 276 */
272 } 277 }
291 if (ob1->level != ob2->level) 296 if (ob1->level != ob2->level)
292 return 0; 297 return 0;
293 break; 298 break;
294 } 299 }
295 300
296 if (ob1->key_values != NULL || ob2->key_values != NULL) 301 if (ob1->key_values || ob2->key_values)
297 { 302 {
298 /* At least one of these has key_values. */ 303 /* At least one of these has key_values. */
299 if ((ob1->key_values == NULL) != (ob2->key_values == NULL)) 304 if ((!ob1->key_values) != (!ob2->key_values))
300 /* One has fields, but the other one doesn't. */ 305 return 0; /* One has fields, but the other one doesn't. */
301 return 0; 306
302 else if (!compare_ob_value_lists (ob1, ob2)) 307 if (!compare_ob_value_lists (ob1, ob2))
303 return 0; 308 return 0;
304 } 309 }
305 310
306 if (ob1->self || ob2->self) 311 if (ob1->self || ob2->self)
307 { 312 {
313 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0; 318 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
314 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0; 319 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
315 320
316 if (k1 != k2) 321 if (k1 != k2)
317 return 0; 322 return 0;
323
318 else if (k1 == 0) 324 if (k1 == 0)
319 return 1; 325 return 1;
326
320 else if (!cfperl_can_merge (ob1, ob2)) 327 if (!cfperl_can_merge (ob1, ob2))
321 return 0; 328 return 0;
322 } 329 }
323 } 330 }
324 331
325 /* Everything passes, must be OK. */ 332 /* Everything passes, must be OK. */
326 return 1; 333 return 1;
327} 334}
328 335
336// adjust weight per container type ("of holding")
337static sint32
338weight_adjust (object *op, sint32 weight)
339{
340 return op->type == CONTAINER
341 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
342 : weight;
343}
344
329/* 345/*
346 * adjust_weight(object, weight) adds the specified weight to an object,
347 * and also updates how much the environment(s) is/are carrying.
348 */
349static void
350adjust_weight (object *op, sint32 weight)
351{
352 while (op)
353 {
354 weight = weight_adjust (op, weight);
355
356 op->carrying += weight;
357 op = op->env;
358 }
359}
360
361/*
330 * sum_weight() is a recursive function which calculates the weight 362 * this is a recursive function which calculates the weight
331 * an object is carrying. It goes through in figures out how much 363 * an object is carrying. It goes through op and figures out how much
332 * containers are carrying, and sums it up. 364 * containers are carrying, and sums it up.
333 */ 365 */
334long 366void
335sum_weight (object *op) 367object::update_weight ()
336{ 368{
337 long sum; 369 sint32 sum = 0;
338 object *inv;
339 370
340 for (sum = 0, inv = op->inv; inv; inv = inv->below) 371 for (object *op = inv; op; op = op->below)
341 { 372 {
342 if (inv->inv) 373 if (op->inv)
343 sum_weight (inv); 374 op->update_weight ();
344 375
345 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 376 sum += op->total_weight ();
346 } 377 }
347 378
348 if (op->type == CONTAINER && op->stats.Str) 379 carrying = weight_adjust (this, sum);
349 sum = (sum * (100 - op->stats.Str)) / 100;
350
351 if (op->carrying != sum)
352 op->carrying = sum;
353
354 return sum;
355} 380}
356 381
357/** 382/*
358 * Return the outermost environment object for a given object. 383 * 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 */ 384 */
374char * 385char *
375dump_object (object *op) 386dump_object (object *op)
376{ 387{
377 if (!op) 388 if (!op)
391get_nearest_part (object *op, const object *pl) 402get_nearest_part (object *op, const object *pl)
392{ 403{
393 object *tmp, *closest; 404 object *tmp, *closest;
394 int last_dist, i; 405 int last_dist, i;
395 406
396 if (op->more == NULL) 407 if (!op->more)
397 return op; 408 return op;
409
398 for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more) 410 for (last_dist = distance (op, pl), closest = op, tmp = op->more;
411 tmp;
412 tmp = tmp->more)
399 if ((i = distance (tmp, pl)) < last_dist) 413 if ((i = distance (tmp, pl)) < last_dist)
400 closest = tmp, last_dist = i; 414 closest = tmp, last_dist = i;
415
401 return closest; 416 return closest;
402} 417}
403 418
404/* 419/*
405 * Returns the object which has the count-variable equal to the argument. 420 * Returns the object which has the count-variable equal to the argument.
421 * VERRRY slow.
406 */ 422 */
407object * 423object *
408find_object (tag_t i) 424find_object (tag_t i)
409{ 425{
410 for_all_objects (op) 426 for_all_objects (op)
861 * if some form of movement is allowed, let objects 877 * if some form of movement is allowed, let objects
862 * drop on that space. 878 * drop on that space.
863 */ 879 */
864 if (!drop_to_ground 880 if (!drop_to_ground
865 || !map 881 || !map
866 || map->in_memory != MAP_IN_MEMORY 882 || map->in_memory != MAP_ACTIVE
867 || map->nodrop 883 || map->nodrop
868 || ms ().move_block == MOVE_ALL) 884 || ms ().move_block == MOVE_ALL)
869 { 885 {
870 while (inv) 886 while (inv)
871 { 887 {
933 freed_map->width = 3; 949 freed_map->width = 3;
934 freed_map->height = 3; 950 freed_map->height = 3;
935 freed_map->nodrop = 1; 951 freed_map->nodrop = 1;
936 952
937 freed_map->alloc (); 953 freed_map->alloc ();
938 freed_map->in_memory = MAP_IN_MEMORY; 954 freed_map->in_memory = MAP_ACTIVE;
939 } 955 }
940 956
941 map = freed_map; 957 map = freed_map;
942 x = 1; 958 x = 1;
943 y = 1; 959 y = 1;
972 play_sound (sound_destroy); 988 play_sound (sound_destroy);
973 else if (flag [FLAG_MONSTER]) 989 else if (flag [FLAG_MONSTER])
974 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism 990 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
975 991
976 attachable::destroy (); 992 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} 993}
995 994
996/* op->remove (): 995/* op->remove ():
997 * This function removes the object op from the linked list of objects 996 * 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 997 * which it is currently tied to. When this function is done, the
1019 * In this case, the object to be removed is in someones 1018 * In this case, the object to be removed is in someones
1020 * inventory. 1019 * inventory.
1021 */ 1020 */
1022 if (env) 1021 if (env)
1023 { 1022 {
1023 adjust_weight (env, -total_weight ());
1024
1025 *(above ? &above->below : &env->inv) = below;
1026
1024 if (nrof) 1027 if (below)
1025 sub_weight (env, weight * nrof); 1028 below->above = above;
1026 else 1029
1027 sub_weight (env, weight + carrying); 1030 /* we set up values so that it could be inserted into
1031 * the map, but we don't actually do that - it is up
1032 * to the caller to decide what we want to do.
1033 */
1034 map = env->map;
1035 x = env->x;
1036 y = env->y;
1037 above = 0;
1038 below = 0;
1039 env = 0;
1028 1040
1029 /* NO_FIX_PLAYER is set when a great many changes are being 1041 /* NO_FIX_PLAYER is set when a great many changes are being
1030 * made to players inventory. If set, avoiding the call 1042 * made to players inventory. If set, avoiding the call
1031 * to save cpu time. 1043 * to save cpu time.
1032 */ 1044 */
1033 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1045 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1034 otmp->update_stats (); 1046 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 } 1047 }
1053 else if (map) 1048 else if (map)
1054 { 1049 {
1055 if (type == PLAYER) 1050 if (type == PLAYER)
1056 { 1051 {
1269 if (op->nrof && !(flag & INS_NO_MERGE)) 1264 if (op->nrof && !(flag & INS_NO_MERGE))
1270 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1265 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1271 if (object::can_merge (op, tmp)) 1266 if (object::can_merge (op, tmp))
1272 { 1267 {
1273 op->nrof += tmp->nrof; 1268 op->nrof += tmp->nrof;
1274 tmp->destroy (); 1269 tmp->destroy (1);
1275 } 1270 }
1276 1271
1277 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1272 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1278 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1273 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1279 1274
1459 * op is the object to insert it under: supplies x and the map. 1454 * op is the object to insert it under: supplies x and the map.
1460 */ 1455 */
1461void 1456void
1462replace_insert_ob_in_map (const char *arch_string, object *op) 1457replace_insert_ob_in_map (const char *arch_string, object *op)
1463{ 1458{
1464 object *tmp, *tmp1;
1465
1466 /* first search for itself and remove any old instances */ 1459 /* first search for itself and remove any old instances */
1467 1460
1468 for (tmp = op->ms ().bot; tmp; tmp = tmp->above) 1461 for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1469 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */ 1462 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1470 tmp->destroy (); 1463 tmp->destroy (1);
1471 1464
1472 tmp1 = arch_to_object (archetype::find (arch_string)); 1465 object *tmp = arch_to_object (archetype::find (arch_string));
1473 1466
1474 tmp1->x = op->x; 1467 tmp->x = op->x;
1475 tmp1->y = op->y; 1468 tmp->y = op->y;
1469
1476 insert_ob_in_map (tmp1, op->map, op, 0); 1470 insert_ob_in_map (tmp, op->map, op, 0);
1477} 1471}
1478 1472
1479object * 1473object *
1480object::insert_at (object *where, object *originator, int flags) 1474object::insert_at (object *where, object *originator, int flags)
1481{ 1475{
1476 if (where->env)
1477 return where->env->insert (this);
1478 else
1482 return where->map->insert (this, where->x, where->y, originator, flags); 1479 return where->map->insert (this, where->x, where->y, originator, flags);
1483} 1480}
1484 1481
1485/* 1482// find player who can see this object
1486 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1483static object *
1487 * is returned contains nr objects, and the remaining parts contains 1484visible_to (object *op)
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 *
1493get_split_ob (object *orig_ob, uint32 nr)
1494{ 1485{
1495 object *newob; 1486 if (!op->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 } 1487 {
1503 1488 // see if we are in a container of sorts
1504 newob = object_create_clone (orig_ob); 1489 if (object *env = op->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 } 1490 {
1518 } 1491 // the player inventory itself is always visible
1492 if (env->type == PLAYER)
1493 return env;
1519 1494
1520 newob->nrof = nr; 1495 // else a player could have our env open
1496 env = env->outer_env ();
1521 1497
1498 // the player itself is always on a map, so we will find him here
1499 // even if our inv is in a player.
1500 if (env->is_on_map ())
1501 if (object *pl = env->ms ().player ())
1502 if (pl->container == op->env)
1503 return pl;
1504 }
1505 else
1506 {
1507 // maybe there is a player standing on the same mapspace
1508 if (object *pl = op->ms ().player ())
1509 return pl;
1510 }
1511 }
1512
1522 return newob; 1513 return 0;
1523} 1514}
1524 1515
1525/* 1516/*
1526 * decrease_ob_nr(object, number) decreases a specified number from 1517 * decrease(object, number) decreases a specified number from
1527 * the amount of an object. If the amount reaches 0, the object 1518 * the amount of an object. If the amount reaches 0, the object
1528 * is subsequently removed and freed. 1519 * is subsequently removed and freed.
1529 * 1520 *
1530 * Return value: 'op' if something is left, NULL if the amount reached 0 1521 * Return value: 'op' if something is left, NULL if the amount reached 0
1531 */ 1522 */
1523bool
1524object::decrease (sint32 nr)
1525{
1526 nr = min (nr, nrof);
1527
1528 if (!nr)
1529 return 1;
1530
1531 nrof -= nr;
1532
1533 object *visible = visible_to (this);
1534
1535 if (nrof)
1536 {
1537 adjust_weight (env, -weight * nr); // carrying == 0
1538
1539 if (visible)
1540 esrv_send_item (visible, this);
1541
1542 return 1;
1543 }
1544 else
1545 {
1546 if (visible)
1547 esrv_del_item (visible->contr, count);
1548
1549 this->destroy (1);
1550 return 0;
1551 }
1552}
1553
1554/*
1555 * split(ob,nr) splits up ob into two parts. The part which
1556 * is returned contains nr objects, and the remaining parts contains
1557 * the rest (or is removed and returned if that number is 0).
1558 * On failure, NULL is returned.
1559 */
1532object * 1560object *
1533decrease_ob_nr (object *op, uint32 i) 1561object::split (sint32 nr)
1534{ 1562{
1535 object *tmp; 1563 if (nrof < nr)
1536
1537 if (i == 0) /* objects with op->nrof require this check */
1538 return op; 1564 return 0;
1539 1565 else if (nrof == 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 { 1566 {
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 (); 1567 remove ();
1575 op->nrof = 0; 1568 return this;
1576 if (tmp)
1577 esrv_del_item (tmp->contr, op->count);
1578 }
1579 } 1569 }
1580 else 1570 else
1581 { 1571 {
1582 object *above = op->above; 1572 decrease (nr);
1583 1573
1584 if (i < op->nrof) 1574 object *op = object_create_clone (this);
1585 op->nrof -= i; 1575 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; 1576 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 } 1577 }
1627} 1578}
1628 1579
1629object * 1580object *
1630insert_ob_in_ob (object *op, object *where) 1581insert_ob_in_ob (object *op, object *where)
1655 * be != op, if items are merged. -Tero 1606 * be != op, if items are merged. -Tero
1656 */ 1607 */
1657object * 1608object *
1658object::insert (object *op) 1609object::insert (object *op)
1659{ 1610{
1660 if (!QUERY_FLAG (op, FLAG_REMOVED))
1661 op->remove ();
1662
1663 if (op->more) 1611 if (op->more)
1664 { 1612 {
1665 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1613 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1666 return op; 1614 return op;
1667 } 1615 }
1668 1616
1669 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1617 op->remove ();
1670 CLEAR_FLAG (op, FLAG_REMOVED); 1618
1619 op->flag [FLAG_OBJ_ORIGINAL] = 0;
1671 1620
1672 if (op->nrof) 1621 if (op->nrof)
1673 {
1674 for (object *tmp = inv; tmp; tmp = tmp->below) 1622 for (object *tmp = inv; tmp; tmp = tmp->below)
1675 if (object::can_merge (tmp, op)) 1623 if (object::can_merge (tmp, op))
1676 { 1624 {
1677 /* return the original object and remove inserted object 1625 /* return the original object and remove inserted object
1678 (client needs the original object) */ 1626 (client needs the original object) */
1679 tmp->nrof += op->nrof; 1627 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); 1628 adjust_weight (this, op->total_weight ());
1684 SET_FLAG (op, FLAG_REMOVED); 1629
1685 op->destroy (); /* free the inserted object */ 1630 op->destroy (1);
1686 op = tmp; 1631 op = tmp;
1687 op->remove (); /* and fix old object's links */ 1632 goto inserted;
1688 CLEAR_FLAG (op, FLAG_REMOVED);
1689 break;
1690 } 1633 }
1691 1634
1692 /* I assume combined objects have no inventory 1635 op->owner = 0; // it's his/hers now. period.
1693 * We add the weight - this object could have just been removed 1636 op->map = 0;
1694 * (if it was possible to merge). calling remove_ob will subtract 1637 op->x = 0;
1695 * the weight, so we need to add it in again, since we actually do 1638 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 1639
1640 op->above = 0;
1641 op->below = inv;
1642 op->env = this;
1643
1644 if (inv)
1645 inv->above = op;
1646
1647 inv = op;
1648
1649 op->flag [FLAG_REMOVED] = 0;
1650
1651 adjust_weight (this, op->total_weight ());
1652
1653inserted:
1654 /* reset the light list and los of the players on the map */
1655 if (op->glow_radius && map && map->darkness)
1656 update_all_los (map, x, y);
1657
1703 if (object *otmp = this->in_player ()) 1658 if (object *otmp = in_player ())
1704 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1659 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1705 otmp->update_stats (); 1660 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 1661
1736 INVOKE_OBJECT (INSERT, this); 1662 INVOKE_OBJECT (INSERT, this);
1737 1663
1738 return op; 1664 return op;
1739} 1665}
2737 2663
2738 insert (force); 2664 insert (force);
2739} 2665}
2740 2666
2741void 2667void
2742object::play_sound (faceidx sound) const 2668object::play_sound (faceidx sound)
2743{ 2669{
2744 if (!sound) 2670 if (!sound)
2745 return; 2671 return;
2746 2672
2747 if (flag [FLAG_REMOVED]) 2673 if (flag [FLAG_REMOVED])

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