1 | /* |
1 | /* |
2 | * CrossFire, A Multiplayer game |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * This program 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 |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation, either version 3 of the License, or |
11 | * (at your option) any later version. |
11 | * (at your 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 GNU General Public License |
19 | * along with this program; if not, write to the Free Software |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
|
|
21 | * |
20 | * |
22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
22 | */ |
24 | |
23 | |
25 | #include <global.h> |
24 | #include <global.h> |
26 | #include <spells.h> |
25 | #include <spells.h> |
27 | #include <skills.h> |
26 | #include <skills.h> |
… | |
… | |
34 | * offer a range of prices around it such that the maximum price is always one |
33 | * offer a range of prices around it such that the maximum price is always one |
35 | * therefore making this number higher, makes specialisation less effective. |
34 | * therefore making this number higher, makes specialisation less effective. |
36 | * setting this value above 1 or to a negative value would have interesting, |
35 | * setting this value above 1 or to a negative value would have interesting, |
37 | * (though not useful) effects. |
36 | * (though not useful) effects. |
38 | */ |
37 | */ |
39 | #define SPECIALISATION_EFFECT 0.5 |
38 | #define SPECIALISATION_EFFECT .5 |
40 | |
39 | |
41 | /* price a shopkeeper will give someone they neither like nor dislike */ |
40 | // price a shopkeeper will give someone that is not of their race |
42 | #define NEUTRAL_RATIO 0.8 |
41 | #define DISLIKE_RATIO 0.8 |
43 | |
42 | |
44 | static void pay_from_container (object *pl, object *pouch, sint64 &to_pay); |
43 | static void pay_from_container (object *pl, object *pouch, sint64 &to_pay); |
45 | static sint64 value_limit (sint64 val, int quantity, const object *who, int isshop); |
44 | static sint64 value_limit (sint64 val, int quantity, const object *who, int isshop); |
46 | static double shop_specialisation_ratio (const object *item, const maptile *map); |
45 | static double shop_specialisation_ratio (const object *item, const maptile *map); |
47 | static double shop_greed (const maptile *map); |
46 | static double shop_greed (const maptile *map); |
48 | |
|
|
49 | #define NUM_COINS 4 /* number of coin types */ |
|
|
50 | static const char *const coins[] = { "royalty", "platinacoin", "goldcoin", "silvercoin", NULL }; |
|
|
51 | |
47 | |
52 | /* Added F_TRUE flag to define.h to mean that the price should not |
48 | /* Added F_TRUE flag to define.h to mean that the price should not |
53 | * be adjusted by players charisma. With F_TRUE, it returns the amount |
49 | * be adjusted by players charisma. With F_TRUE, it returns the amount |
54 | * that the item is worth, if it was sold, but unadjusted by charisma. |
50 | * that the item is worth, if it was sold, but unadjusted by charisma. |
55 | * This is needed for alchemy, to to determine what value of gold nuggets |
51 | * This is needed for alchemy, to to determine what value of gold nuggets |
… | |
… | |
131 | if (tmp->arch != NULL) |
127 | if (tmp->arch != NULL) |
132 | { |
128 | { |
133 | if (flag == F_BUY) |
129 | if (flag == F_BUY) |
134 | { |
130 | { |
135 | LOG (llevError, "Asking for buy-value of unidentified object.\n"); |
131 | LOG (llevError, "Asking for buy-value of unidentified object.\n"); |
136 | val = tmp->arch->clone.value * 50 * number; |
132 | val = tmp->arch->value * 50 * number; |
137 | } |
133 | } |
138 | else |
134 | else |
139 | { /* Trying to sell something, or get true value */ |
135 | { /* Trying to sell something, or get true value */ |
140 | if (tmp->type == POTION) |
136 | if (tmp->type == POTION) |
141 | val = number * 40; /* Don't want to give anything away */ |
137 | val = number * 40; /* Don't want to give anything away */ |
… | |
… | |
143 | { |
139 | { |
144 | /* Get 2/3'rd value for applied objects, 1/3'rd for totally |
140 | /* Get 2/3'rd value for applied objects, 1/3'rd for totally |
145 | * unknown objects |
141 | * unknown objects |
146 | */ |
142 | */ |
147 | if (QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) |
143 | if (QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) |
148 | val = number * tmp->arch->clone.value * 2 / 3; |
144 | val = number * tmp->arch->value * 2 / 3; |
149 | else |
145 | else |
150 | val = number * tmp->arch->clone.value / 3; |
146 | val = number * tmp->arch->value / 3; |
151 | } |
147 | } |
152 | } |
148 | } |
153 | } |
149 | } |
154 | else |
150 | else |
155 | { /* No archetype with this object */ |
151 | { /* No archetype with this object */ |
… | |
… | |
166 | |
162 | |
167 | /* If the item has been applied or identifed or does not need to be |
163 | /* If the item has been applied or identifed or does not need to be |
168 | * identified, AND the object is magical and the archetype is non |
164 | * identified, AND the object is magical and the archetype is non |
169 | * magical, then change values accordingly. The tmp->arch==NULL is |
165 | * magical, then change values accordingly. The tmp->arch==NULL is |
170 | * really just a check to prevent core dumps for when it checks |
166 | * really just a check to prevent core dumps for when it checks |
171 | * tmp->arch->clone.magic for any magic. The check for archetype |
167 | * tmp->arch->magic for any magic. The check for archetype |
172 | * magic is to not give extra money for archetypes that are by |
168 | * magic is to not give extra money for archetypes that are by |
173 | * default magical. This is because the archetype value should have |
169 | * default magical. This is because the archetype value should have |
174 | * already figured in that value. |
170 | * already figured in that value. |
175 | */ |
171 | */ |
176 | if ((QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified || |
172 | if ((QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified || |
177 | QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) && tmp->magic && (tmp->arch == NULL || !tmp->arch->clone.magic)) |
173 | QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) && tmp->magic && (tmp->arch == NULL || !tmp->arch->magic)) |
178 | { |
174 | { |
179 | if (tmp->magic > 0) |
175 | if (tmp->magic > 0) |
180 | val *= (3 * tmp->magic * tmp->magic * tmp->magic); |
176 | val *= (3 * tmp->magic * tmp->magic * tmp->magic); |
181 | else |
177 | else |
182 | /* Note that tmp->magic is negative, so that this |
178 | /* Note that tmp->magic is negative, so that this |
… | |
… | |
332 | coin = archetype::find (coins[*cointype]); |
328 | coin = archetype::find (coins[*cointype]); |
333 | if (coin == NULL) |
329 | if (coin == NULL) |
334 | return NULL; |
330 | return NULL; |
335 | *cointype += 1; |
331 | *cointype += 1; |
336 | } |
332 | } |
337 | while (coin->clone.value > c); |
333 | while (coin->value > c); |
338 | |
334 | |
339 | return coin; |
335 | return coin; |
340 | } |
336 | } |
341 | |
337 | |
342 | /* This returns a string of how much something is worth based on |
338 | /* This returns a string of how much something is worth based on |
… | |
… | |
358 | |
354 | |
359 | coin = find_next_coin (cost, &cointype); |
355 | coin = find_next_coin (cost, &cointype); |
360 | if (coin == NULL) |
356 | if (coin == NULL) |
361 | return "nothing"; |
357 | return "nothing"; |
362 | |
358 | |
363 | num = cost / coin->clone.value; |
359 | num = cost / coin->value; |
364 | /* so long as nrof is 32 bit, this is true. |
360 | /* so long as nrof is 32 bit, this is true. |
365 | * If it takes more coins than a person can possibly carry, this |
361 | * If it takes more coins than a person can possibly carry, this |
366 | * is basically true. |
362 | * is basically true. |
367 | */ |
363 | */ |
368 | if ((cost / coin->clone.value) > UINT32_MAX) |
364 | if ((cost / coin->value) > UINT32_MAX) |
369 | { |
365 | { |
370 | strcpy (buf, "an unimaginable sum of money"); |
366 | strcpy (buf, "an unimaginable sum of money"); |
371 | return buf; |
367 | return buf; |
372 | } |
368 | } |
373 | |
369 | |
374 | cost -= num * (sint64)coin->clone.value; |
370 | cost -= num * (sint64)coin->value; |
375 | |
371 | |
376 | sprintf (buf, "%d %s", num, num > 1 ? &coin->clone.name_pl : &coin->clone.name); |
372 | sprintf (buf, "%d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name); |
377 | |
373 | |
378 | next_coin = find_next_coin (cost, &cointype); |
374 | next_coin = find_next_coin (cost, &cointype); |
379 | if (next_coin == NULL || approx) |
375 | if (next_coin == NULL || approx) |
380 | return buf; |
376 | return buf; |
381 | |
377 | |
382 | coin = next_coin; |
378 | coin = next_coin; |
383 | num = cost / coin->clone.value; |
379 | num = cost / coin->value; |
384 | cost -= num * (sint64)coin->clone.value; |
380 | cost -= num * (sint64)coin->value; |
385 | |
381 | |
386 | sprintf (buf + strlen (buf), " and %d %s", num, num > 1 ? &coin->clone.name_pl : &coin->clone.name); |
382 | sprintf (buf + strlen (buf), " and %d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name); |
387 | |
383 | |
388 | return buf; |
384 | return buf; |
389 | } |
385 | } |
390 | |
386 | |
391 | const char * |
387 | const char * |
… | |
… | |
421 | archetype *coin = find_next_coin (real_value, &cointype); |
417 | archetype *coin = find_next_coin (real_value, &cointype); |
422 | |
418 | |
423 | if (coin == NULL) |
419 | if (coin == NULL) |
424 | return "nothing"; |
420 | return "nothing"; |
425 | |
421 | |
426 | num = real_value / coin->clone.value; |
422 | num = real_value / coin->value; |
427 | if (num == 1) |
423 | if (num == 1) |
428 | sprintf (buf, "about one %s", &coin->clone.name); |
424 | sprintf (buf, "about one %s", &coin->object::name); |
429 | else if (num < 5) |
425 | else if (num < 5) |
430 | sprintf (buf, "a few %s", &coin->clone.name_pl); |
426 | sprintf (buf, "a few %s", &coin->object::name_pl); |
431 | else if (num < 10) |
427 | else if (num < 10) |
432 | sprintf (buf, "several %s", &coin->clone.name_pl); |
428 | sprintf (buf, "several %s", &coin->object::name_pl); |
433 | else if (num < 25) |
429 | else if (num < 25) |
434 | sprintf (buf, "a moderate amount of %s", &coin->clone.name_pl); |
430 | sprintf (buf, "a moderate amount of %s", &coin->object::name_pl); |
435 | else if (num < 100) |
431 | else if (num < 100) |
436 | sprintf (buf, "lots of %s", &coin->clone.name_pl); |
432 | sprintf (buf, "lots of %s", &coin->object::name_pl); |
437 | else if (num < 1000) |
433 | else if (num < 1000) |
438 | sprintf (buf, "a great many %s", &coin->clone.name_pl); |
434 | sprintf (buf, "a great many %s", &coin->object::name_pl); |
439 | else |
435 | else |
440 | sprintf (buf, "a vast quantity of %s", &coin->clone.name_pl); |
436 | sprintf (buf, "a vast quantity of %s", &coin->object::name_pl); |
441 | return buf; |
437 | return buf; |
442 | } |
438 | } |
443 | } |
439 | } |
444 | } |
440 | } |
445 | |
441 | |
… | |
… | |
581 | |
577 | |
582 | if (tmp->type == MONEY) |
578 | if (tmp->type == MONEY) |
583 | { |
579 | { |
584 | for (i = 0; i < NUM_COINS; i++) |
580 | for (i = 0; i < NUM_COINS; i++) |
585 | { |
581 | { |
586 | if (tmp->value == tmp->arch->clone.value && !strcmp (coins[NUM_COINS - 1 - i], tmp->arch->name)) |
582 | if (tmp->value == tmp->arch->value && !strcmp (coins[NUM_COINS - 1 - i], tmp->arch->archname)) |
587 | { |
583 | { |
588 | // This should not happen, but if it does, just merge the two. |
584 | // This should not happen, but if it does, just merge the two. |
589 | if (coin_objs [i]) |
585 | if (coin_objs [i]) |
590 | { |
586 | { |
591 | LOG (llevError, "%s has two money entries of (%s)\n", &pouch->name, coins[NUM_COINS - 1 - i]); |
587 | LOG (llevError, "%s has two money entries of (%s)\n", &pouch->name, coins[NUM_COINS - 1 - i]); |
592 | tmp->remove (); |
|
|
593 | coin_objs[i]->nrof += tmp->nrof; |
588 | coin_objs[i]->nrof += tmp->nrof; |
594 | esrv_del_item (pl->contr, tmp->count); |
|
|
595 | tmp->destroy (); |
589 | tmp->destroy (); |
596 | } |
590 | } |
597 | else |
591 | else |
598 | { |
592 | { |
599 | tmp->remove (); |
593 | tmp->remove (); |
600 | |
|
|
601 | if (pouch->type == PLAYER) |
|
|
602 | esrv_del_item (pl->contr, tmp->count); |
|
|
603 | |
|
|
604 | coin_objs[i] = tmp; |
594 | coin_objs[i] = tmp; |
605 | } |
595 | } |
606 | |
596 | |
607 | break; |
597 | break; |
608 | } |
598 | } |
609 | } |
599 | } |
610 | |
600 | |
611 | if (i == NUM_COINS) |
601 | if (i == NUM_COINS) |
612 | LOG (llevError, "in pay_for_item: Did not find string match for %s\n", &tmp->arch->name); |
602 | LOG (llevError, "in pay_for_item: Did not find string match for %s\n", &tmp->arch->archname); |
613 | } |
603 | } |
614 | } |
604 | } |
615 | |
605 | |
616 | /* Fill in any gaps in the coin_objs array - needed to make change. */ |
606 | /* Fill in any gaps in the coin_objs array - needed to make change. */ |
617 | /* Note that the coin_objs array goes from least value to greatest value */ |
607 | /* Note that the coin_objs array goes from least value to greatest value */ |
… | |
… | |
650 | } |
640 | } |
651 | |
641 | |
652 | for (i = 0; i < NUM_COINS; i++) |
642 | for (i = 0; i < NUM_COINS; i++) |
653 | { |
643 | { |
654 | if (coin_objs[i]->nrof) |
644 | if (coin_objs[i]->nrof) |
655 | { |
|
|
656 | object *tmp = insert_ob_in_ob (coin_objs[i], pouch); |
645 | insert_ob_in_ob (coin_objs [i], pouch); |
657 | |
|
|
658 | esrv_send_item (pl, tmp); |
|
|
659 | esrv_send_item (pl, pouch); |
|
|
660 | |
|
|
661 | if (pl != pouch) |
|
|
662 | esrv_update_item (UPD_WEIGHT, pl, pouch); |
|
|
663 | |
|
|
664 | if (pl->type != PLAYER) |
|
|
665 | esrv_send_item (pl, pl); |
|
|
666 | } |
|
|
667 | else |
646 | else |
668 | coin_objs[i]->destroy (); |
647 | coin_objs[i]->destroy (); |
669 | } |
648 | } |
670 | } |
649 | } |
671 | |
650 | |
… | |
… | |
742 | SET_FLAG (op, FLAG_UNPAID); |
721 | SET_FLAG (op, FLAG_UNPAID); |
743 | return 0; |
722 | return 0; |
744 | } |
723 | } |
745 | else |
724 | else |
746 | { |
725 | { |
747 | object *tmp; |
|
|
748 | |
|
|
749 | CLEAR_FLAG (op, FLAG_UNPAID); |
726 | CLEAR_FLAG (op, FLAG_UNPAID); |
750 | CLEAR_FLAG (op, FLAG_PLAYER_SOLD); |
727 | CLEAR_FLAG (op, FLAG_PLAYER_SOLD); |
751 | new_draw_info_format (NDI_UNIQUE, 0, op, "You paid %s for %s.", buf, query_name (op)); |
728 | new_draw_info_format (NDI_UNIQUE, 0, op, "You paid %s for %s.", buf, query_name (op)); |
752 | tmp = merge_ob (op, NULL); |
|
|
753 | |
729 | |
754 | if (pl->type == PLAYER) |
730 | if (!merge_ob (op, op->env->inv)) |
755 | { |
|
|
756 | if (tmp) |
|
|
757 | { /* it was merged */ |
|
|
758 | esrv_del_item (pl->contr, op->count); |
|
|
759 | op = tmp; |
|
|
760 | } |
|
|
761 | |
|
|
762 | esrv_send_item (pl, op); |
731 | esrv_update_item (UPD_FLAGS, pl, op); |
763 | } |
|
|
764 | |
732 | |
765 | goto next_item; |
733 | goto next_item; |
766 | } |
734 | } |
767 | } |
735 | } |
768 | } |
736 | } |
… | |
… | |
787 | { |
755 | { |
788 | int count = 0; |
756 | int count = 0; |
789 | archetype *at = 0; |
757 | archetype *at = 0; |
790 | object *pouch = 0, *tmp = 0; |
758 | object *pouch = 0, *tmp = 0; |
791 | |
759 | |
792 | for (count = 0; coins[count] != NULL; count++) |
760 | for (count = 0; coins[count]; count++) |
793 | { |
761 | { |
794 | at = archetype::find (coins[count]); |
762 | at = archetype::find (coins[count]); |
795 | |
763 | |
796 | if (at == NULL) |
764 | if (at == NULL) |
797 | LOG (llevError, "Could not find %s archetype\n", coins[count]); |
765 | LOG (llevError, "Could not find %s archetype\n", coins[count]); |
798 | else if ((amount / at->clone.value) > 0) |
766 | else if ((amount / at->value) > 0) |
799 | { |
767 | { |
800 | for (pouch = pl->inv; pouch; pouch = pouch->below) |
768 | for (pouch = pl->inv; pouch; pouch = pouch->below) |
801 | { |
769 | { |
802 | if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && pouch->race && strstr (pouch->race, "gold")) |
770 | if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && pouch->race && strstr (pouch->race, "gold")) |
803 | { |
771 | { |
804 | int w = at->clone.weight * (100 - pouch->stats.Str) / 100; |
772 | int w = at->weight * (100 - pouch->stats.Str) / 100; |
805 | int n = amount / at->clone.value; |
773 | int n = amount / at->value; |
806 | |
774 | |
807 | if (w == 0) |
775 | if (w == 0) |
808 | w = 1; /* Prevent divide by zero */ |
776 | w = 1; /* Prevent divide by zero */ |
809 | |
777 | |
810 | if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit)) |
778 | if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit)) |
811 | { |
779 | { |
812 | if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n) |
780 | if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n) |
813 | n = (pouch->weight_limit - pouch->carrying) / w; |
781 | n = (pouch->weight_limit - pouch->carrying) / w; |
814 | |
782 | |
815 | tmp = arch_to_object (at); |
783 | object *tmp = arch_to_object (at); |
816 | tmp->nrof = n; |
784 | tmp->nrof = n; |
817 | amount -= tmp->nrof * tmp->value; |
785 | amount -= tmp->nrof * tmp->value; |
818 | tmp = insert_ob_in_ob (tmp, pouch); |
786 | pouch->insert (tmp); |
819 | esrv_send_item (pl, tmp); |
|
|
820 | esrv_send_item (pl, pouch); |
|
|
821 | esrv_update_item (UPD_WEIGHT, pl, pouch); |
|
|
822 | esrv_send_item (pl, pl); |
|
|
823 | } |
787 | } |
824 | } |
788 | } |
825 | } |
789 | } |
826 | |
790 | |
827 | if (amount / at->clone.value > 0) |
791 | if (amount / at->value > 0) |
828 | { |
792 | { |
829 | tmp = arch_to_object (at); |
793 | object *tmp = arch_to_object (at); |
830 | tmp->nrof = amount / tmp->value; |
794 | tmp->nrof = amount / tmp->value; |
831 | amount -= tmp->nrof * tmp->value; |
795 | amount -= tmp->nrof * tmp->value; |
832 | tmp = insert_ob_in_ob (tmp, pl); |
796 | pl->insert (tmp); |
833 | esrv_send_item (pl, tmp); |
|
|
834 | esrv_send_item (pl, pl); |
|
|
835 | } |
797 | } |
836 | } |
798 | } |
837 | } |
799 | } |
838 | |
800 | |
839 | if (amount != 0) |
801 | if (amount != 0) |
… | |
… | |
843 | /* elmex: this is for the bank plugin :( */ |
805 | /* elmex: this is for the bank plugin :( */ |
844 | sint64 |
806 | sint64 |
845 | pay_player_arch (object *pl, const char *arch, sint64 amount) |
807 | pay_player_arch (object *pl, const char *arch, sint64 amount) |
846 | { |
808 | { |
847 | archetype *at = archetype::find (arch); |
809 | archetype *at = archetype::find (arch); |
848 | object *tmp = NULL; |
|
|
849 | |
810 | |
850 | if (at == NULL) |
811 | if (!at) |
851 | return 0; |
812 | return 0; |
852 | |
813 | |
853 | if (amount > 0) |
814 | if (amount > 0) |
854 | { |
815 | { |
855 | tmp = arch_to_object (at); |
816 | object *tmp = arch_to_object (at); |
856 | tmp->nrof = amount; |
817 | tmp->nrof = amount; |
857 | tmp = insert_ob_in_ob (tmp, pl); |
818 | insert_ob_in_ob (tmp, pl); |
858 | esrv_send_item (pl, tmp); |
|
|
859 | esrv_send_item (pl, pl); |
|
|
860 | } |
819 | } |
861 | |
820 | |
862 | return 1; |
821 | return 1; |
863 | } |
822 | } |
864 | |
823 | |
… | |
… | |
910 | change_exp (pl, extra_gain / 10, "bargaining", SK_EXP_NONE); |
869 | change_exp (pl, extra_gain / 10, "bargaining", SK_EXP_NONE); |
911 | |
870 | |
912 | pay_player (pl, amount); |
871 | pay_player (pl, amount); |
913 | |
872 | |
914 | new_draw_info_format (NDI_UNIQUE, 0, pl, "You receive %s for %s.", query_cost_string (op, pl, F_SELL | F_SHOP), query_name (op)); |
873 | new_draw_info_format (NDI_UNIQUE, 0, pl, "You receive %s for %s.", query_cost_string (op, pl, F_SELL | F_SHOP), query_name (op)); |
|
|
874 | pl->play_sound (sound_find ("shop_sell")); |
915 | |
875 | |
916 | SET_FLAG (op, FLAG_UNPAID); |
876 | SET_FLAG (op, FLAG_UNPAID); |
917 | identify (op); |
877 | identify (op); |
918 | } |
878 | } |
919 | |
879 | |
920 | |
|
|
921 | /* returns a double that is the ratio of the price that a shop will offer for |
880 | /* returns a double that is the ratio of the price that a shop will offer for |
922 | * item based on the shops specialisation. Does not take account of greed, |
881 | * item based on the shops specialisation. Does not take account of greed, |
923 | * returned value is between (2*SPECIALISATION_EFFECT-1) and 1 and in any |
882 | * returned value is between SPECIALISATION_EFFECT and 1. |
924 | * event is never less than 0.1 (calling functions divide by it) |
|
|
925 | */ |
883 | */ |
926 | static double |
884 | static double |
927 | shop_specialisation_ratio (const object *item, const maptile *map) |
885 | shop_specialisation_ratio (const object *item, const maptile *map) |
928 | { |
886 | { |
929 | shopitems *items = map->shopitems; |
887 | shopitems *items = map->shopitems; |
930 | double ratio = SPECIALISATION_EFFECT, likedness = 0.001; |
888 | double likedness = 0.; |
931 | int i; |
889 | int i; |
932 | |
890 | |
933 | if (item == NULL) |
891 | if (item == NULL) |
934 | { |
892 | { |
935 | LOG (llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", &map->path); |
893 | LOG (llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", &map->path); |
… | |
… | |
941 | LOG (llevError, "shop_specialisation_ratio: passed an item with an invalid type\n"); |
899 | LOG (llevError, "shop_specialisation_ratio: passed an item with an invalid type\n"); |
942 | /* |
900 | /* |
943 | * I'm not really sure what the /right/ thing to do here is, these types of |
901 | * I'm not really sure what the /right/ thing to do here is, these types of |
944 | * item shouldn't exist anyway, but returning the ratio is probably the best bet.." |
902 | * item shouldn't exist anyway, but returning the ratio is probably the best bet.." |
945 | */ |
903 | */ |
946 | return ratio; |
904 | return SPECIALISATION_EFFECT; |
947 | } |
905 | } |
948 | |
906 | |
949 | if (map->shopitems) |
907 | if (map->shopitems) |
950 | { |
908 | { |
951 | for (i = 0; i < items[0].index; i++) |
909 | for (i = 0; i < items[0].index; i++) |
… | |
… | |
963 | { |
921 | { |
964 | LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n", item->type, &map->path); |
922 | LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n", item->type, &map->path); |
965 | likedness = -1.0; |
923 | likedness = -1.0; |
966 | } |
924 | } |
967 | |
925 | |
968 | ratio = ratio + (1.0 - ratio) * likedness; |
926 | return lerp (likedness, -1., 1., SPECIALISATION_EFFECT, 1.); |
969 | |
|
|
970 | if (ratio <= 0.1) |
|
|
971 | ratio = 0.1; /* if the ratio were much lower than this, we would get silly prices */ |
|
|
972 | |
|
|
973 | return ratio; |
|
|
974 | } |
927 | } |
975 | |
928 | |
976 | /*returns the greed of the shop on map, or 1 if it isn't specified. */ |
929 | /*returns the greed of the shop on map, or 1 if it isn't specified. */ |
977 | static double |
930 | static double |
978 | shop_greed (const maptile *map) |
931 | shop_greed (const maptile *map) |
979 | { |
932 | { |
980 | double greed = 1.0; |
|
|
981 | |
|
|
982 | if (map->shopgreed) |
|
|
983 | return map->shopgreed; |
933 | return map->shopgreed |
984 | return greed; |
934 | ? map->shopgreed |
|
|
935 | : 1.; |
985 | } |
936 | } |
986 | |
937 | |
987 | /* Returns a double based on how much the shopkeeper approves of the player. |
938 | /* Returns a double based on how much the shopkeeper approves of the player. |
988 | * this is based on the race of the shopkeeper and that of the player. |
939 | * this is based on the race of the shopkeeper and that of the player. |
989 | */ |
940 | */ |
990 | double |
941 | double |
991 | shopkeeper_approval (const maptile *map, const object *player) |
942 | shopkeeper_approval (const maptile *map, const object *player) |
992 | { |
943 | { |
993 | double approval = 1.0; |
944 | return map->shoprace && player->race != map->shoprace |
994 | |
945 | ? DISLIKE_RATIO |
995 | if (map->shoprace) |
946 | : 1.; |
996 | { |
|
|
997 | approval = NEUTRAL_RATIO; |
|
|
998 | if (player->race && !strcmp (player->race, map->shoprace)) |
|
|
999 | approval = 1.0; |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | return approval; |
|
|
1003 | } |
947 | } |
1004 | |
948 | |
1005 | /* limit the value of items based on the wealth of the shop. If the item is close |
949 | /* limit the value of items based on the wealth of the shop. If the item is close |
1006 | * to the maximum value a shop will offer, we start to reduce it, if the item is |
950 | * to the maximum value a shop will offer, we start to reduce it, if the item is |
1007 | * below the minimum value the shop is prepared to trade in, then we don't |
951 | * below the minimum value the shop is prepared to trade in, then we don't |
… | |
… | |
1284 | return false; |
1228 | return false; |
1285 | |
1229 | |
1286 | return is_in_shop (o->map, o->x, o->y); |
1230 | return is_in_shop (o->map, o->x, o->y); |
1287 | } |
1231 | } |
1288 | |
1232 | |
1289 | /* elmex: this function checks whether we are in a shop or not */ |
1233 | /* elmex: this function checks whether we are in a shop or not |
|
|
1234 | - change 2007-11-26: enhanced the O(n) case by stopping at the first |
|
|
1235 | floor tile. this possibly will make map bugs where shopfloors are above |
|
|
1236 | floors more obvious. |
|
|
1237 | */ |
|
|
1238 | |
1290 | bool |
1239 | bool |
1291 | is_in_shop (maptile *map, int x, int y) |
1240 | is_in_shop (maptile *map, int x, int y) |
1292 | { |
1241 | { |
1293 | for (object *floor = GET_MAP_OB (map, x, y); floor; floor = floor->above) |
1242 | for (object *floor = GET_MAP_OB (map, x, y); floor; floor = floor->above) |
|
|
1243 | if (QUERY_FLAG (floor, FLAG_IS_FLOOR)) |
1294 | if (floor->type == SHOP_FLOOR) |
1244 | return floor->type == SHOP_FLOOR; |
1295 | return true; |
|
|
1296 | |
|
|
1297 | return false; |
1245 | return false; |
1298 | } |
1246 | } |
|
|
1247 | |