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Comparing deliantra/server/common/object.C (file contents):
Revision 1.319 by root, Sat Apr 3 02:29:40 2010 UTC vs.
Revision 1.333 by root, Thu Apr 22 03:53:40 2010 UTC

37uint32_t mapspace::smellcount = 10000; 37uint32_t mapspace::smellcount = 10000;
38 38
39objectvec objects; 39objectvec objects;
40activevec actives; 40activevec actives;
41 41
42freelist_item *object::freelist;
43uint32_t object::object_count;
44uint32_t object::free_count;
45uint32_t object::create_count;
46uint32_t object::destroy_count;
47
42//+GPL 48//+GPL
43 49
44short freearr_x[SIZEOFFREE] = { 50short freearr_x[SIZEOFFREE] = {
45 0, 51 0,
46 0, 1, 1, 1, 0, -1, -1, -1, 52 0, 1, 1, 1, 0, -1, -1, -1,
266 * This is to the comparison of the flags below will be OK. We 272 * This is to the comparison of the flags below will be OK. We
267 * just can't ignore the been applied or identified flags, as they 273 * just can't ignore the been applied or identified flags, as they
268 * are not equal - just if it has been identified, the been_applied 274 * are not equal - just if it has been identified, the been_applied
269 * flags lose any meaning. 275 * flags lose any meaning.
270 */ 276 */
271 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED)) 277 if (ob1->flag [FLAG_IDENTIFIED])
272 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 278 ob1->set_flag (FLAG_BEEN_APPLIED);
273 279
274 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 280 if (ob2->flag [FLAG_IDENTIFIED])
275 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 281 ob2->set_flag (FLAG_BEEN_APPLIED);
276 282
277 if (ob1->arch->archname != ob2->arch->archname 283 if (ob1->arch->archname != ob2->arch->archname
278 || ob1->name != ob2->name 284 || ob1->name != ob2->name
279 || ob1->title != ob2->title 285 || ob1->title != ob2->title
280 || ob1->msg != ob2->msg 286 || ob1->msg != ob2->msg
329 335
330 /* Don't merge objects that are applied. With the new 'body' code, 336 /* Don't merge objects that are applied. With the new 'body' code,
331 * it is possible for most any character to have more than one of 337 * it is possible for most any character to have more than one of
332 * some items equipped, and we don't want those to merge. 338 * some items equipped, and we don't want those to merge.
333 */ 339 */
334 if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED)) 340 if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
335 return 0; 341 return 0;
336 342
337 /* Note sure why the following is the case - either the object has to 343 /* Note sure why the following is the case - either the object has to
338 * be animated or have a very low speed. Is this an attempted monster 344 * be animated or have a very low speed. Is this an attempted monster
339 * check? 345 * check?
340 */ 346 */
341 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ()) 347 if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
342 return 0; 348 return 0;
343 349
344 switch (ob1->type) 350 switch (ob1->type)
345 { 351 {
346 case SCROLL: 352 case SCROLL:
439{ 445{
440 while (op) 446 while (op)
441 { 447 {
442 // adjust by actual difference to account for rounding errors 448 // adjust by actual difference to account for rounding errors
443 // i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct 449 // i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
444 weight = weight_adjust_for (op, op->carrying) 450 weight = weight_adjust_for (op, op->carrying + weight)
445 - weight_adjust_for (op, op->carrying - weight); 451 - weight_adjust_for (op, op->carrying);
446 452
447 if (!weight) 453 if (!weight)
448 return; 454 return;
449 455
450 op->carrying += weight; 456 op->carrying += weight;
477 483
478 sum = weight_adjust_for (this, sum); 484 sum = weight_adjust_for (this, sum);
479 485
480 if (sum != carrying) 486 if (sum != carrying)
481 { 487 {
488 if (carrying != sum)//D
489 LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
490 (long long)sum, (long long)carrying, debug_desc ());
491
482 carrying = sum; 492 carrying = sum;
483 493
484 if (object *pl = visible_to ()) 494 if (object *pl = visible_to ())
485 if (pl != this) // player is handled lazily 495 if (pl != this) // player is handled lazily
486 esrv_update_item (UPD_WEIGHT, pl, this); 496 esrv_update_item (UPD_WEIGHT, pl, this);
683 * be called to update the face variable, _and_ how it looks on the map. 693 * be called to update the face variable, _and_ how it looks on the map.
684 */ 694 */
685void 695void
686update_turn_face (object *op) 696update_turn_face (object *op)
687{ 697{
688 if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch) 698 if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
689 return; 699 return;
690 700
691 SET_ANIMATION (op, op->direction); 701 SET_ANIMATION (op, op->direction);
692 update_object (op, UP_OBJ_FACE); 702 update_object (op, UP_OBJ_FACE);
693} 703}
759 /* nop */; 769 /* nop */;
760 else if (action == UP_OBJ_INSERT) 770 else if (action == UP_OBJ_INSERT)
761 { 771 {
762#if 0 772#if 0
763 // this is likely overkill, TODO: revisit (schmorp) 773 // this is likely overkill, TODO: revisit (schmorp)
764 if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW)) 774 if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
765 || (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC)) 775 || (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
766 || (op->is_player () && !(m.flags_ & P_PLAYER)) 776 || (op->is_player () && !(m.flags_ & P_PLAYER))
767 || (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE)) 777 || (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
768 || (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE)) 778 || (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
769 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC)) 779 || (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
770 || (m.move_on | op->move_on ) != m.move_on 780 || (m.move_on | op->move_on ) != m.move_on
771 || (m.move_off | op->move_off ) != m.move_off 781 || (m.move_off | op->move_off ) != m.move_off
772 || (m.move_slow | op->move_slow) != m.move_slow 782 || (m.move_slow | op->move_slow) != m.move_slow
773 /* This isn't perfect, but I don't expect a lot of objects to 783 /* This isn't perfect, but I don't expect a lot of objects to
774 * have move_allow right now. 784 * have move_allow right now.
795 update_object (op->more, action); 805 update_object (op->more, action);
796} 806}
797 807
798object::object () 808object::object ()
799{ 809{
800 SET_FLAG (this, FLAG_REMOVED); 810 this->set_flag (FLAG_REMOVED);
801 811
802 //expmul = 1.0; declared const for the time being 812 //expmul = 1.0; declared const for the time being
803 face = blank_face; 813 face = blank_face;
804 material = MATERIAL_NULL; 814 material = MATERIAL_NULL;
805} 815}
809 unlink (); 819 unlink ();
810 820
811 free_key_values (this); 821 free_key_values (this);
812} 822}
813 823
814static int object_count;
815
816void object::link () 824void object::link ()
817{ 825{
818 assert (!index);//D 826 assert (!index);//D
819 uuid = UUID::gen (); 827 uuid = UUID::gen ();
820 count = ++object_count;
821 828
822 refcnt_inc (); 829 refcnt_inc ();
823 objects.insert (this); 830 objects.insert (this);
831
832 ++create_count;
833
824} 834}
825 835
826void object::unlink () 836void object::unlink ()
827{ 837{
828 if (!index) 838 if (!index)
829 return; 839 return;
840
841 ++destroy_count;
830 842
831 objects.erase (this); 843 objects.erase (this);
832 refcnt_dec (); 844 refcnt_dec ();
833} 845}
834 846
939 map->insert (op, x, y); 951 map->insert (op, x, y);
940 } 952 }
941 } 953 }
942} 954}
943 955
956/*
957 * Remove and free all objects in the inventory of the given object.
958 * Unlike destroy_inv, this assumes the *this is destroyed as well
959 * well, so we can (and have to!) take shortcuts.
960 */
961void
962object::destroy_inv_fast ()
963{
964 while (object *op = inv)
965 {
966 // remove from object the fast way
967 op->flag [FLAG_REMOVED] = true;
968 op->env = 0;
969 if ((inv = inv->below))
970 inv->above = 0;
971
972 // then destroy
973 op->destroy ();
974 }
975}
976
977void
978object::freelist_free (int count)
979{
980 while (count-- && freelist)
981 {
982 freelist_item *next = freelist->next;
983 // count is being "destroyed"
984
985 sfree ((char *)freelist, sizeof (object));
986
987 freelist = next;
988 --free_count;
989 }
990}
991
992object *
944object *object::create () 993object::create ()
945{ 994{
946 object *op = new object; 995 object *op;
996
997 if (freelist)
998 {
999 freelist_item li = *freelist;
1000 memset (freelist, 0, sizeof (object));
1001
1002 op = new (freelist) object;
1003 op->count = li.count;
1004
1005 freelist = li.next;
1006 --free_count;
1007 }
1008 else
1009 {
1010 void *ni = salloc0<char> (sizeof (object));
1011
1012 op = new(ni) object;
1013
1014 op->count = ++object_count;
1015 }
1016
947 op->link (); 1017 op->link ();
1018
948 return op; 1019 return op;
949} 1020}
950 1021
1022void
1023object::do_delete ()
1024{
1025 uint32_t count = this->count;
1026
1027 this->~object ();
1028
1029 freelist_item *li = (freelist_item *)this;
1030 li->next = freelist;
1031 li->count = count;
1032
1033 freelist = li;
1034 ++free_count;
1035}
1036
951static struct freed_map : maptile 1037static struct freed_map : maptile
952{ 1038{
953 freed_map () 1039 freed_map ()
1040 : maptile (3, 3)
954 { 1041 {
955 path = "<freed objects map>"; 1042 path = "<freed objects map>";
956 name = "/internal/freed_objects_map"; 1043 name = "/internal/freed_objects_map";
957 width = 3;
958 height = 3;
959 no_drop = 1; 1044 no_drop = 1;
960 no_reset = 1; 1045 no_reset = 1;
961 1046
962 alloc ();
963 in_memory = MAP_ACTIVE; 1047 in_memory = MAP_ACTIVE;
964 } 1048 }
965 1049
966 ~freed_map () 1050 ~freed_map ()
967 { 1051 {
1018 LOG (llevError | logBacktrace, "tried to destroy the tail of an object"); 1102 LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1019 head->destroy (); 1103 head->destroy ();
1020 return; 1104 return;
1021 } 1105 }
1022 1106
1023 destroy_inv (false); 1107 destroy_inv_fast ();
1024 1108
1025 if (is_head ()) 1109 if (is_head ())
1026 if (sound_destroy) 1110 if (sound_destroy)
1027 play_sound (sound_destroy); 1111 play_sound (sound_destroy);
1028 else if (flag [FLAG_MONSTER]) 1112 else if (flag [FLAG_MONSTER])
1128 else if (pl->container_ () == this) 1212 else if (pl->container_ () == this)
1129 { 1213 {
1130 // removing a container should close it 1214 // removing a container should close it
1131 close_container (); 1215 close_container ();
1132 } 1216 }
1133 1217 else
1134 esrv_del_item (pl->contr, count); 1218 esrv_del_item (pl->contr, count);
1135 } 1219 }
1136 1220
1137 /* link the object above us */ 1221 /* link the object above us */
1138 // re-link, make sure compiler can easily use cmove 1222 // re-link, make sure compiler can easily use cmove
1139 *(above ? &above->below : &ms.top) = below; 1223 *(above ? &above->below : &ms.top) = below;
1325 // from here :/ 1409 // from here :/
1326 op->nrof += tmp->nrof; 1410 op->nrof += tmp->nrof;
1327 tmp->destroy (); 1411 tmp->destroy ();
1328 } 1412 }
1329 1413
1330 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1414 op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1331 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1415 op->clr_flag (FLAG_INV_LOCKED);
1332 1416
1333 if (!QUERY_FLAG (op, FLAG_ALIVE)) 1417 if (!op->flag [FLAG_ALIVE])
1334 CLEAR_FLAG (op, FLAG_NO_STEAL); 1418 op->clr_flag (FLAG_NO_STEAL);
1335 1419
1336 if (flag & INS_BELOW_ORIGINATOR) 1420 if (flag & INS_BELOW_ORIGINATOR)
1337 { 1421 {
1338 if (originator->map != op->map || originator->x != op->x || originator->y != op->y) 1422 if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1339 { 1423 {
1374 * when lots of spells are cast in one area. Currently, it is presumed 1458 * when lots of spells are cast in one area. Currently, it is presumed
1375 * that flying non pickable objects are spell objects. 1459 * that flying non pickable objects are spell objects.
1376 */ 1460 */
1377 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1461 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1378 { 1462 {
1379 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR)) 1463 if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1380 floor = tmp; 1464 floor = tmp;
1381 1465
1382 if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1466 if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1383 { 1467 {
1384 /* We insert above top, so we want this object below this */ 1468 /* We insert above top, so we want this object below this */
1385 top = tmp->below; 1469 top = tmp->below;
1386 break; 1470 break;
1387 } 1471 }
1405 && (op->face && !faces [op->face].visibility)) 1489 && (op->face && !faces [op->face].visibility))
1406 { 1490 {
1407 object *last; 1491 object *last;
1408 1492
1409 for (last = top; last != floor; last = last->below) 1493 for (last = top; last != floor; last = last->below)
1410 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1494 if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1411 break; 1495 break;
1412 1496
1413 /* Check to see if we found the object that blocks view, 1497 /* Check to see if we found the object that blocks view,
1414 * and make sure we have a below pointer for it so that 1498 * and make sure we have a below pointer for it so that
1415 * we can get inserted below this one, which requires we 1499 * we can get inserted below this one, which requires we
1546 || (items < m->max_items 1630 || (items < m->max_items
1547 && ms.volume () < m->max_volume)) 1631 && ms.volume () < m->max_volume))
1548 return true; 1632 return true;
1549 1633
1550 if (originator && originator->is_player ()) 1634 if (originator && originator->is_player ())
1551 originator->contr->failmsg (format ( 1635 originator->contr->failmsgf (
1552 "No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>", 1636 "No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1553 query_name () 1637 query_name ()
1554 )); 1638 );
1555 1639
1556 return false; 1640 return false;
1557} 1641}
1558 1642
1559/* 1643/*
1733 * on top. 1817 * on top.
1734 */ 1818 */
1735int 1819int
1736check_move_on (object *op, object *originator) 1820check_move_on (object *op, object *originator)
1737{ 1821{
1738 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1822 if (op->flag [FLAG_NO_APPLY])
1739 return 0; 1823 return 0;
1740 1824
1741 object *tmp; 1825 object *tmp;
1742 maptile *m = op->map; 1826 maptile *m = op->map;
1743 int x = op->x, y = op->y; 1827 int x = op->x, y = op->y;
1780 * Second check makes sure that the movement types not being slowed 1864 * Second check makes sure that the movement types not being slowed
1781 * (~slow_move) is not blocked on this space - just because the 1865 * (~slow_move) is not blocked on this space - just because the
1782 * space doesn't slow down swimming (for example), if you can't actually 1866 * space doesn't slow down swimming (for example), if you can't actually
1783 * swim on that space, can't use it to avoid the penalty. 1867 * swim on that space, can't use it to avoid the penalty.
1784 */ 1868 */
1785 if (!QUERY_FLAG (op, FLAG_WIZPASS)) 1869 if (!op->flag [FLAG_WIZPASS])
1786 { 1870 {
1787 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1871 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1788 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 1872 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1789 { 1873 {
1790 float diff = tmp->move_slow_penalty * fabs (op->speed); 1874 float diff = tmp->move_slow_penalty * fabs (op->speed);
1921void 2005void
1922flag_inv (object *op, int flag) 2006flag_inv (object *op, int flag)
1923{ 2007{
1924 for (object *tmp = op->inv; tmp; tmp = tmp->below) 2008 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1925 { 2009 {
1926 SET_FLAG (tmp, flag); 2010 tmp->set_flag (flag);
1927 flag_inv (tmp, flag); 2011 flag_inv (tmp, flag);
1928 } 2012 }
1929} 2013}
1930 2014
1931/* 2015/*
1934void 2018void
1935unflag_inv (object *op, int flag) 2019unflag_inv (object *op, int flag)
1936{ 2020{
1937 for (object *tmp = op->inv; tmp; tmp = tmp->below) 2021 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1938 { 2022 {
1939 CLEAR_FLAG (tmp, flag); 2023 tmp->clr_flag (flag);
1940 unflag_inv (tmp, flag); 2024 unflag_inv (tmp, flag);
1941 } 2025 }
1942} 2026}
1943 2027
1944/* 2028/*
2134{ 2218{
2135 return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y); 2219 return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2136} 2220}
2137 2221
2138/* 2222/*
2139 * find_dir_2(delta-x,delta-y) will return a direction in which 2223 * find_dir_2(delta-x,delta-y) will return a direction value
2140 * an object which has subtracted the x and y coordinates of another 2224 * for running into direct [dx, dy].
2141 * object, needs to travel toward it. 2225 * (the opposite of crossfire's find_dir_2!)
2142 */ 2226 */
2143int 2227int
2144find_dir_2 (int x, int y) 2228find_dir_2 (int x, int y)
2145{ 2229{
2230#if 1 // new algorithm
2231 // this works by putting x, y into 16 sectors, which
2232 // are not equal sized, but are a better approximation
2233 // then the old algorithm, and then using a mapping
2234 // table to map it into a direction value.
2235 // basically, it maps these comparisons to each bit
2236 // bit #3: x < 0
2237 // bit #2: y < 0
2238 // bit #1: x > y
2239 // bit #0: x > 2y
2240
2241 static const uint8 dir[16] = {
2242 4, 5, 4, 3,
2243 2, 1, 2, 3,
2244 6, 5, 6, 7,
2245 8, 1, 8, 7,
2246 };
2247 int sector = 0;
2248
2249 // this is a bit ugly, but more likely to result in branchless code
2250 sector |= x < 0 ? 8 : 0;
2251 x = x < 0 ? -x : x; // abs
2252
2253 sector |= y < 0 ? 4 : 0;
2254 y = y < 0 ? -y : y; // abs
2255
2256 if (x > y)
2257 {
2258 sector |= 2;
2259
2260 if (x > y * 2)
2261 sector |= 1;
2262 }
2263 else
2264 {
2265 if (y > x * 2)
2266 sector |= 1;
2267 else if (!y)
2268 return 0; // x == 0 here
2269 }
2270
2271 return dir [sector];
2272#else // old algorithm
2146 int q; 2273 int q;
2147 2274
2148 if (y) 2275 if (y)
2149 q = x * 100 / y; 2276 q = 128 * x / y;
2150 else if (x) 2277 else if (x)
2151 q = -300 * x; 2278 q = -512 * x; // to make it > 309
2152 else 2279 else
2153 return 0; 2280 return 0;
2154 2281
2155 if (y > 0) 2282 if (y > 0)
2156 { 2283 {
2157 if (q < -242) 2284 if (q < -309) return 7;
2285 if (q < -52) return 6;
2286 if (q < 52) return 5;
2287 if (q < 309) return 4;
2288
2158 return 3; 2289 return 3;
2159 if (q < -41) 2290 }
2160 return 2; 2291 else
2161 if (q < 41) 2292 {
2162 return 1; 2293 if (q < -309) return 3;
2163 if (q < 242) 2294 if (q < -52) return 2;
2164 return 8; 2295 if (q < 52) return 1;
2296 if (q < 309) return 8;
2297
2165 return 7; 2298 return 7;
2166 } 2299 }
2167 2300#endif
2168 if (q < -242)
2169 return 7;
2170 if (q < -41)
2171 return 6;
2172 if (q < 41)
2173 return 5;
2174 if (q < 242)
2175 return 4;
2176
2177 return 3;
2178} 2301}
2179 2302
2180/* 2303/*
2181 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is 2304 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2182 * between two directions (which are expected to be absolute (see absdir()) 2305 * between two directions (which are expected to be absolute (see absdir())
2183 */ 2306 */
2184int 2307int
2185dirdiff (int dir1, int dir2) 2308dirdiff (int dir1, int dir2)
2186{ 2309{
2187 int d;
2188
2189 d = abs (dir1 - dir2); 2310 int d = abs (dir1 - dir2);
2190 if (d > 4)
2191 d = 8 - d;
2192 2311
2193 return d; 2312 return d > 4 ? 8 - d : d;
2194} 2313}
2195 2314
2196/* peterm: 2315/* peterm:
2197 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster. 2316 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2198 * Basically, this is a table of directions, and what directions 2317 * Basically, this is a table of directions, and what directions
2304 * Add a check so we can't pick up invisible objects (0.93.8) 2423 * Add a check so we can't pick up invisible objects (0.93.8)
2305 */ 2424 */
2306int 2425int
2307can_pick (const object *who, const object *item) 2426can_pick (const object *who, const object *item)
2308{ 2427{
2309 return /*QUERY_FLAG(who,FLAG_WIZ)|| */ 2428 return /*who->flag [FLAG_WIZ]|| */
2310 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) && 2429 (item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2311 !QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3)); 2430 !item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2312} 2431}
2313 2432
2314/* 2433/*
2315 * create clone from object to another 2434 * create clone from object to another
2316 */ 2435 */
2656 } 2775 }
2657 else 2776 else
2658 move_type = mt; 2777 move_type = mt;
2659} 2778}
2660 2779
2780/* object should be a player.
2781 * we return the object the player has marked with the 'mark' command
2782 * below. If no match is found (or object has changed), we return
2783 * NULL. We leave it up to the calling function to print messages if
2784 * nothing is found.
2785 */
2786object *
2787object::mark () const
2788{
2789 if (contr && contr->mark && contr->mark->env == this)
2790 return contr->mark;
2791 else
2792 return 0;
2793}
2794

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