… | |
… | |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 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 it under |
9 | * it under the terms of the GNU General Public License as published by |
9 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation, either version 3 of the License, or |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
11 | * option) any later version. |
12 | * |
12 | * |
13 | * This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
17 | * |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 | * and the GNU General Public License along with this program. If not, see |
|
|
20 | * <http://www.gnu.org/licenses/>. |
20 | * |
21 | * |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
23 | */ |
23 | |
24 | |
24 | #include <global.h> |
25 | #include <global.h> |
… | |
… | |
169 | {SPELLBOOK, "spellbook", "spellbooks", SK_LITERACY, 0}, |
170 | {SPELLBOOK, "spellbook", "spellbooks", SK_LITERACY, 0}, |
170 | {CLOAK, "cloak", "cloaks", SK_SMITHERY, 0}, |
171 | {CLOAK, "cloak", "cloaks", SK_SMITHERY, 0}, |
171 | {SPINNER, "spinner", "spinners", 0, 0}, |
172 | {SPINNER, "spinner", "spinners", 0, 0}, |
172 | {GATE, "gate", "gates", 0, 0}, |
173 | {GATE, "gate", "gates", 0, 0}, |
173 | {BUTTON, "button", "buttons", 0, 0}, |
174 | {BUTTON, "button", "buttons", 0, 0}, |
174 | {CF_HANDLE, "cf handle", "cf handles", 0, 0}, |
175 | {T_HANDLE, "cf handle", "cf handles", 0, 0}, |
175 | {HOLE, "hole", "holes", 0, 0}, |
176 | {HOLE, "hole", "holes", 0, 0}, |
176 | {TRAPDOOR, "trapdoor", "trapdoors", 0, 0}, |
177 | {TRAPDOOR, "trapdoor", "trapdoors", 0, 0}, |
177 | {SIGN, "sign", "signs", 0, 0}, |
178 | {SIGN, "sign", "signs", 0, 0}, |
178 | {BOOTS, "boots", "boots", SK_SMITHERY, 0}, |
179 | {BOOTS, "boots", "boots", SK_SMITHERY, 0}, |
179 | {GLOVES, "gloves", "gloves", SK_SMITHERY, 0}, |
180 | {GLOVES, "gloves", "gloves", SK_SMITHERY, 0}, |
… | |
… | |
206 | {BUILDER, "item builder", "item builders", 0, 0}, |
207 | {BUILDER, "item builder", "item builders", 0, 0}, |
207 | {MATERIAL, "building material", "building materials", 0, 0}, |
208 | {MATERIAL, "building material", "building materials", 0, 0}, |
208 | {ITEM_TRANSFORMER, "item_transformer", "item_transformers", 0, 0}, |
209 | {ITEM_TRANSFORMER, "item_transformer", "item_transformers", 0, 0}, |
209 | }; |
210 | }; |
210 | |
211 | |
211 | const int item_types_size = sizeof (item_types) / sizeof (*item_types); |
212 | static const int item_types_size = sizeof (item_types) / sizeof (*item_types); |
212 | |
213 | |
213 | materialtype_t *materialt; |
214 | materialtype_t *materialt; |
214 | |
215 | |
215 | /* |
216 | /* |
216 | materialtype material[NROFMATERIALS] = { |
217 | materialtype material[NROFMATERIALS] = { |
… | |
… | |
327 | enc -= 2; |
328 | enc -= 2; |
328 | else if (op->path_repelled & (1 << i)) |
329 | else if (op->path_repelled & (1 << i)) |
329 | enc--; |
330 | enc--; |
330 | } |
331 | } |
331 | |
332 | |
332 | if (QUERY_FLAG (op, FLAG_LIFESAVE)) |
333 | if (op->flag [FLAG_LIFESAVE ]) enc += 5; |
333 | enc += 5; |
334 | if (op->flag [FLAG_REFL_SPELL ]) enc += 3; |
334 | if (QUERY_FLAG (op, FLAG_REFL_SPELL)) |
335 | if (op->flag [FLAG_REFL_MISSILE]) enc += 2; |
335 | enc += 3; |
336 | if (op->flag [FLAG_XRAYS ]) enc += 2; |
336 | if (QUERY_FLAG (op, FLAG_REFL_MISSILE)) |
337 | if (op->flag [FLAG_STEALTH ]) enc += 1; |
337 | enc += 2; |
338 | if (op->flag [FLAG_SEE_IN_DARK ]) enc += 1; |
338 | if (QUERY_FLAG (op, FLAG_STEALTH)) |
339 | if (op->flag [FLAG_MAKE_INVIS ]) enc += 1; |
339 | enc += 1; |
|
|
340 | if (QUERY_FLAG (op, FLAG_XRAYS)) |
|
|
341 | enc += 2; |
|
|
342 | if (QUERY_FLAG (op, FLAG_SEE_IN_DARK)) |
|
|
343 | enc += 1; |
|
|
344 | if (QUERY_FLAG (op, FLAG_MAKE_INVIS)) |
|
|
345 | enc += 1; |
|
|
346 | |
340 | |
347 | return get_power_from_ench (enc); |
341 | return get_power_from_ench (enc); |
348 | } |
342 | } |
349 | |
343 | |
350 | /* returns the typedata that has a number equal to itemtype, if there |
344 | /* returns the typedata that has a number equal to itemtype, if there |
351 | * isn't one, returns NULL */ |
345 | * isn't one, returns NULL */ |
352 | const typedata * |
346 | const typedata * |
353 | get_typedata (int itemtype) |
347 | get_typedata (int itemtype) |
354 | { |
348 | { |
355 | int i; |
|
|
356 | |
|
|
357 | for (i = 0; i < item_types_size; i++) |
349 | for (int i = 0; i < item_types_size; i++) |
358 | if (item_types[i].number == itemtype) |
350 | if (item_types[i].number == itemtype) |
359 | return &item_types[i]; |
351 | return &item_types[i]; |
360 | |
352 | |
361 | return NULL; |
353 | return NULL; |
362 | } |
354 | } |
… | |
… | |
365 | * isn't one, return the plural name that matches, if there still isn't |
357 | * isn't one, return the plural name that matches, if there still isn't |
366 | * one return NULL */ |
358 | * one return NULL */ |
367 | const typedata * |
359 | const typedata * |
368 | get_typedata_by_name (const char *name) |
360 | get_typedata_by_name (const char *name) |
369 | { |
361 | { |
370 | int i; |
|
|
371 | |
|
|
372 | for (i = 0; i < item_types_size; i++) |
362 | for (int i = 0; i < item_types_size; i++) |
373 | if (!strcmp (item_types[i].name, name)) |
363 | if (!strcmp (item_types[i].name, name)) |
374 | return &item_types[i]; |
364 | return &item_types[i]; |
375 | |
365 | |
376 | for (i = 0; i < item_types_size; i++) |
366 | for (int i = 0; i < item_types_size; i++) |
377 | if (!strcmp (item_types[i].name_pl, name)) |
367 | if (!strcmp (item_types[i].name_pl, name)) |
378 | { |
368 | { |
379 | LOG (llevInfo, |
369 | LOG (llevInfo, |
380 | "get_typedata_by_name: I have been sent the plural %s, the singular form %s is prefered\n", name, item_types[i].name); |
370 | "get_typedata_by_name: I have been sent the plural %s, the singular form %s is prefered\n", name, item_types[i].name); |
381 | return &item_types[i]; |
371 | return &item_types[i]; |
382 | } |
372 | } |
383 | |
373 | |
384 | return NULL; |
374 | return 0; |
385 | } |
375 | } |
386 | |
376 | |
387 | /* describe_resistance generates the visible naming for resistances. |
377 | /* describe_resistance generates the visible naming for resistances. |
388 | * returns a static array of the description. This can return |
378 | * returns a static array of the description. This can return |
389 | * a big buffer. |
379 | * a big buffer. |
… | |
… | |
391 | * but do put a newline at the end. Useful when dumping to files |
381 | * but do put a newline at the end. Useful when dumping to files |
392 | */ |
382 | */ |
393 | const char * |
383 | const char * |
394 | describe_resistance (const object *op, int newline) |
384 | describe_resistance (const object *op, int newline) |
395 | { |
385 | { |
396 | static char buf[VERY_BIG_BUF]; |
386 | static dynbuf_text buf; buf.clear (); |
397 | char buf1[VERY_BIG_BUF]; |
|
|
398 | int tmpvar; |
|
|
399 | |
387 | |
400 | buf[0] = 0; |
388 | for (int i = 0; i < NROFATTACKS; i++) |
401 | for (tmpvar = 0; tmpvar < NROFATTACKS; tmpvar++) |
|
|
402 | { |
|
|
403 | if (op->resist[tmpvar] && (op->type != FLESH || atnr_is_dragon_enabled (tmpvar) == 1)) |
389 | if (op->resist[i] && (op->type != FLESH || atnr_is_dragon_enabled (i) == 1)) |
404 | { |
390 | buf.printf (newline ? "%s %d\n" : "(%s %+d)", resist_plus[i], op->resist[i]); |
405 | if (!newline) |
|
|
406 | sprintf (buf1, "(%s %+d)", resist_plus[tmpvar], op->resist[tmpvar]); |
|
|
407 | else |
|
|
408 | sprintf (buf1, "%s %d\n", resist_plus[tmpvar], op->resist[tmpvar]); |
|
|
409 | |
391 | |
410 | strcat (buf, buf1); |
|
|
411 | } |
|
|
412 | } |
|
|
413 | return buf; |
392 | return buf; |
414 | } |
393 | } |
415 | |
|
|
416 | |
394 | |
417 | /* |
395 | /* |
418 | * query_weight(object) returns a character pointer to a static buffer |
396 | * query_weight(object) returns a character pointer to a static buffer |
419 | * containing the text-representation of the weight of the given object. |
397 | * containing the text-representation of the weight of the given object. |
420 | * The buffer will be overwritten by the next call to query_weight(). |
398 | * The buffer will be overwritten by the next call to query_weight(). |
|
|
399 | * |
|
|
400 | * Seems to be used only by unimportant stuff. Remove? |
421 | */ |
401 | */ |
422 | const char * |
402 | const char * |
423 | query_weight (const object *op) |
403 | query_weight (const object *op) |
424 | { |
404 | { |
425 | static char buf[10]; |
405 | static char buf[10]; |
… | |
… | |
451 | return buf; |
431 | return buf; |
452 | } |
432 | } |
453 | |
433 | |
454 | if (i < 21) |
434 | if (i < 21) |
455 | return levelnumbers[i]; |
435 | return levelnumbers[i]; |
|
|
436 | |
456 | if (!(i % 10)) |
437 | if (!(i % 10)) |
457 | return levelnumbers_10[i / 10]; |
438 | return levelnumbers_10[i / 10]; |
458 | |
439 | |
459 | strcpy (buf, numbers_10[i / 10]); |
440 | strcpy (buf, numbers_10[i / 10]); |
460 | strcat (buf, levelnumbers[i % 10]); |
441 | strcat (buf, levelnumbers[i % 10]); |
… | |
… | |
465 | * get_number(integer) returns the text-representation of the given number |
446 | * get_number(integer) returns the text-representation of the given number |
466 | * in a static buffer. The buffer might be overwritten at the next |
447 | * in a static buffer. The buffer might be overwritten at the next |
467 | * call to get_number(). |
448 | * call to get_number(). |
468 | * It is currently only used by the query_name() function. |
449 | * It is currently only used by the query_name() function. |
469 | */ |
450 | */ |
470 | const char * |
451 | static const char * |
471 | get_number (int i) |
452 | get_number (int i) |
472 | { |
453 | { |
473 | if (i <= 20) |
454 | if (i <= 20) |
474 | return numbers[i]; |
455 | return numbers[i]; |
475 | else |
456 | else |
… | |
… | |
492 | */ |
473 | */ |
493 | |
474 | |
494 | /* Aug 95 modified this slightly so that Skill tools don't have magic bonus |
475 | /* Aug 95 modified this slightly so that Skill tools don't have magic bonus |
495 | * from stats.sp - b.t. |
476 | * from stats.sp - b.t. |
496 | */ |
477 | */ |
497 | const char * |
478 | static const char * |
498 | ring_desc (const object *op) |
479 | ring_desc (const object *op) |
499 | { |
480 | { |
500 | static dynbuf_text buf; buf.clear (); |
481 | static dynbuf_text buf; buf.clear (); |
501 | int attr, val, len; |
482 | int attr, val, len; |
502 | |
483 | |
… | |
… | |
536 | } |
517 | } |
537 | |
518 | |
538 | /* |
519 | /* |
539 | * query_short_name(object) is similar to query_name, but doesn't |
520 | * query_short_name(object) is similar to query_name, but doesn't |
540 | * contain any information about object status (worn/cursed/etc.) |
521 | * contain any information about object status (worn/cursed/etc.) |
|
|
522 | * |
|
|
523 | * It is sometimes used when printing messages, so should fit well into a sentence. |
541 | */ |
524 | */ |
542 | const char * |
525 | const char * |
543 | query_short_name (const object *op) |
526 | query_short_name (const object *op) |
544 | { |
527 | { |
545 | if (!op->name) |
528 | if (!op->name) |
… | |
… | |
629 | * you can make several calls to query_name before the bufs start getting |
612 | * you can make several calls to query_name before the bufs start getting |
630 | * overwritten. This may be a bad thing (it may be easier to assume the value |
613 | * overwritten. This may be a bad thing (it may be easier to assume the value |
631 | * returned is good forever.) However, it makes printing statements that |
614 | * returned is good forever.) However, it makes printing statements that |
632 | * use several names much easier (don't need to store them to temp variables.) |
615 | * use several names much easier (don't need to store them to temp variables.) |
633 | * |
616 | * |
|
|
617 | * It is used extensively within messages, so should return only a prose |
|
|
618 | * and short description of the item. |
634 | */ |
619 | */ |
635 | const char * |
620 | const char * |
636 | query_name (const object *op) |
621 | query_name (const object *op) |
637 | { |
622 | { |
638 | int len = 0; |
623 | int len = 0; |
… | |
… | |
651 | |
636 | |
652 | buf << query_short_name (op); |
637 | buf << query_short_name (op); |
653 | |
638 | |
654 | if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
639 | if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
655 | buf << " *"; |
640 | buf << " *"; |
656 | if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED)))) |
641 | if (op->is_open_container ()) |
657 | buf << " (open)"; |
642 | buf << " (open)"; |
658 | |
643 | |
659 | if (QUERY_FLAG (op, FLAG_KNOWN_CURSED)) |
644 | if (QUERY_FLAG (op, FLAG_KNOWN_CURSED)) |
660 | { |
645 | { |
661 | if (QUERY_FLAG (op, FLAG_DAMNED)) |
646 | if (QUERY_FLAG (op, FLAG_DAMNED)) |
… | |
… | |
675 | */ |
660 | */ |
676 | if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
661 | if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
677 | buf << " (magic)"; |
662 | buf << " (magic)"; |
678 | |
663 | |
679 | #if 0 |
664 | #if 0 |
680 | /* item_power will be returned in desribe_item - it shouldn't really |
665 | /* item_power will be returned in describe_item - it shouldn't really |
681 | * be returned in the name. |
666 | * be returned in the name. |
682 | */ |
667 | */ |
683 | if (op->item_power) |
668 | if (op->item_power) |
684 | sprintf (buf[use_buf] + strlen (buf[use_buf]), "(item_power %+d)", op->item_power); |
669 | sprintf (buf[use_buf] + strlen (buf[use_buf]), "(item_power %+d)", op->item_power); |
685 | |
670 | |
… | |
… | |
717 | default: |
702 | default: |
718 | buf << " (applied)"; |
703 | buf << " (applied)"; |
719 | } |
704 | } |
720 | } |
705 | } |
721 | |
706 | |
|
|
707 | switch (op->type) |
|
|
708 | { |
|
|
709 | case LAMP: |
|
|
710 | if (op->glow_radius) |
|
|
711 | buf << " (on)"; |
|
|
712 | else if (op->stats.food <= 0) |
|
|
713 | buf << " (empty)"; |
|
|
714 | else |
|
|
715 | buf << " (off)"; |
|
|
716 | break; |
|
|
717 | |
|
|
718 | case TORCH: |
|
|
719 | if (op->glow_radius) |
|
|
720 | buf << " (burning)"; |
|
|
721 | else if (op->stats.food <= 0) |
|
|
722 | buf << " (burned out)"; |
|
|
723 | break; |
|
|
724 | } |
|
|
725 | |
722 | if (QUERY_FLAG (op, FLAG_UNPAID)) |
726 | if (QUERY_FLAG (op, FLAG_UNPAID)) |
723 | buf << " (unpaid)"; |
727 | buf << " (unpaid)"; |
724 | |
728 | |
725 | return buf; |
729 | return buf; |
726 | } |
730 | } |
… | |
… | |
731 | * of the given object. The buffer will be overwritten at the next |
735 | * of the given object. The buffer will be overwritten at the next |
732 | * call to query_base_name(). This is a lot like query_name, but we |
736 | * call to query_base_name(). This is a lot like query_name, but we |
733 | * don't include the item count or item status. Used for inventory sorting |
737 | * don't include the item count or item status. Used for inventory sorting |
734 | * and sending to client. |
738 | * and sending to client. |
735 | * If plural is set, we generate the plural name of this. |
739 | * If plural is set, we generate the plural name of this. |
|
|
740 | * |
|
|
741 | * It is sometimes used to display messages, and usually only used to match stuff, |
|
|
742 | * so maybe this function should be removed. |
736 | */ |
743 | */ |
737 | const char * |
744 | const char * |
738 | query_base_name (const object *op, int plural) |
745 | query_base_name (const object *op, int plural) |
739 | { |
746 | { |
740 | if ((!plural && !op->name) || (plural && !op->name_pl)) |
747 | if ((!plural && !op->name) || (plural && !op->name_pl)) |
… | |
… | |
935 | * wouldn't need to use the SEE_INVISIBLE flag to know it is |
942 | * wouldn't need to use the SEE_INVISIBLE flag to know it is |
936 | * a dragon player examining food. Could have things like |
943 | * a dragon player examining food. Could have things like |
937 | * a dwarven axe, in which the full abilities are only known to |
944 | * a dwarven axe, in which the full abilities are only known to |
938 | * dwarves, etc. |
945 | * dwarves, etc. |
939 | * |
946 | * |
940 | * This function is really much more complicated than it should |
|
|
941 | * be, because different objects have different meanings |
|
|
942 | * for the same field (eg, wands use 'food' for charges). This |
|
|
943 | * means these special cases need to be worked out. |
|
|
944 | * |
|
|
945 | * Add 'owner' who is the person examining this object. |
947 | * Add 'owner' who is the person examining this object. |
946 | * owner can be null if no one is being associated with this |
948 | * owner can be null if no one is being associated with this |
947 | * item (eg, debug dump or the like) |
949 | * item (eg, debug dump or the like) |
948 | */ |
950 | */ |
949 | const char * |
951 | const char * |
… | |
… | |
1007 | buf << "well charged."; |
1009 | buf << "well charged."; |
1008 | else if (op->stats.sp == op->stats.maxsp) |
1010 | else if (op->stats.sp == op->stats.maxsp) |
1009 | buf << "fully charged."; |
1011 | buf << "fully charged."; |
1010 | else |
1012 | else |
1011 | buf << "almost full."; |
1013 | buf << "almost full."; |
|
|
1014 | break; |
|
|
1015 | |
|
|
1016 | case LAMP: |
|
|
1017 | { |
|
|
1018 | int percent = ((double) 100 / op->arch->stats.food) * op->stats.food; |
|
|
1019 | buf << "(fuel: "; |
|
|
1020 | if (percent == 0) |
|
|
1021 | buf << "empty"; |
|
|
1022 | else if (percent < 10) |
|
|
1023 | buf << "very low"; |
|
|
1024 | else if (percent < 25) |
|
|
1025 | buf << "low"; |
|
|
1026 | else if (percent < 50) |
|
|
1027 | buf << "half empty"; |
|
|
1028 | else if (percent < 75) |
|
|
1029 | buf << "half full"; |
|
|
1030 | else if (percent < 95) |
|
|
1031 | buf << "well filled"; |
|
|
1032 | else if (percent <= 100) |
|
|
1033 | buf << "full"; |
|
|
1034 | buf << ")"; |
|
|
1035 | } |
1012 | break; |
1036 | break; |
1013 | |
1037 | |
1014 | case FOOD: |
1038 | case FOOD: |
1015 | case FLESH: |
1039 | case FLESH: |
1016 | case DRINK: |
1040 | case DRINK: |
… | |
… | |
1172 | if (QUERY_FLAG (op, FLAG_STEALTH)) buf << "(stealth)"; |
1196 | if (QUERY_FLAG (op, FLAG_STEALTH)) buf << "(stealth)"; |
1173 | |
1197 | |
1174 | if (op->slaying && op->type != FOOD) |
1198 | if (op->slaying && op->type != FOOD) |
1175 | buf.printf ("(slay %s)", &op->slaying); |
1199 | buf.printf ("(slay %s)", &op->slaying); |
1176 | |
1200 | |
|
|
1201 | if (op->type == SKILL_TOOL && op->skill) |
|
|
1202 | buf.printf ("(%s)", &op->skill); |
|
|
1203 | |
1177 | buf.add_abilities ("Attacks", op->attacktype); |
1204 | buf.add_abilities ("Attacks", op->attacktype); |
1178 | /* resistance on flesh is only visible for quetzals. If |
1205 | /* resistance on flesh is only visible for quetzals. If |
1179 | * non flesh, everyone can see its resistances |
1206 | * non flesh, everyone can see its resistances |
1180 | */ |
1207 | */ |
1181 | if (op->type != FLESH || (owner && is_dragon_pl (owner))) |
1208 | if (op->type != FLESH || (owner && is_dragon_pl (owner))) |
… | |
… | |
1197 | |
1224 | |
1198 | void |
1225 | void |
1199 | examine (object *op, object *tmp) |
1226 | examine (object *op, object *tmp) |
1200 | { |
1227 | { |
1201 | std::string info = tmp->describe (op); |
1228 | std::string info = tmp->describe (op); |
|
|
1229 | |
1202 | op->contr->infobox (MSG_CHANNEL ("examine"), info.c_str ()); |
1230 | op->contr->infobox (MSG_CHANNEL ("examine"), info.c_str ()); |
1203 | } |
1231 | } |
1204 | |
1232 | |
1205 | /* |
1233 | /* |
1206 | * inventory prints object's inventory. If inv==NULL then print player's |
1234 | * inventory prints object's inventory. If inv==NULL then print player's |