ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/server/alchemy.C
(Generate patch)

Comparing deliantra/server/server/alchemy.C (file contents):
Revision 1.46 by root, Sat Nov 7 18:30:05 2009 UTC vs.
Revision 1.63 by root, Sun Jan 29 02:47:05 2017 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 (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the 9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * 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 Affero GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * and the GNU General Public License along with this program. If not, see 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * 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>
23 */ 23 */
24 24
25/* March 96 - Laid down original code. -b.t. thomas@astro.psu.edu */ 25/* March 96 - Laid down original code. -b.t. thomas@astro.psu.edu */
26 26
61static int is_defined_recipe (const recipe *rp, const object *cauldron, object *caster); 61static int is_defined_recipe (const recipe *rp, const object *cauldron, object *caster);
62static recipe *find_recipe (recipelist * fl, int formula, object *ingredients); 62static recipe *find_recipe (recipelist * fl, int formula, object *ingredients);
63 63
64/** Returns a random selection from cauldron_effect[] */ 64/** Returns a random selection from cauldron_effect[] */
65static const char * 65static const char *
66cauldron_sound (void) 66cauldron_sound ()
67{ 67{
68 int size = sizeof (cauldron_effect) / sizeof (char *); 68 return cauldron_effect [rndm (array_length (cauldron_effect))];
69
70 return cauldron_effect[rndm (0, size - 1)];
71} 69}
72 70
73/** 71/**
74 * Recipe value of the entire contents of a container. 72 * Recipe value of the entire contents of a container.
75 * This appears to just generate a hash value, which I guess for now works 73 * This appears to just generate a hash value, which I guess for now works
76 * ok, but the possibility of duplicate hashes is certainly possible - msw 74 * ok, but the possibility of duplicate hashes is certainly possible - msw
77 */ 75 */
78static int 76static int
79content_recipe_value (object *op) 77content_recipe_value (object *op)
80{ 78{
81 char name[MAX_BUF];
82 object *tmp = op->inv; 79 object *tmp = op->inv;
83 int tval = 0, formula = 0; 80 int formula = 0;
84 81
85 while (tmp) 82 while (tmp)
86 { 83 {
87 tval = 0; 84 const char *name = tmp->title
88 assign (name, tmp->name);
89 if (tmp->title)
90 sprintf (name, "%s %s", &tmp->name, &tmp->title); 85 ? (const char *)format ("%s %s", &tmp->name, &tmp->title)
86 : tmp->name;
87
91 tval = (strtoint (name) * (tmp->nrof ? tmp->nrof : 1)); 88 int tval = strtoint (name) * tmp->number_of ();
92#ifdef ALCHEMY_DEBUG 89#ifdef ALCHEMY_DEBUG
93 LOG (llevDebug, "Got ingredient %d %s(%d)\n", tmp->nrof ? tmp->nrof : 1, name, tval); 90 LOG (llevDebug, "Got ingredient %d %s(%d)\n", tmp->nrof ? tmp->nrof : 1, name, tval);
94#endif 91#endif
95 formula += tval; 92 formula += tval;
96 tmp = tmp->below; 93 tmp = tmp->below;
97 } 94 }
98#ifdef ALCHEMY_DEBUG 95#ifdef ALCHEMY_DEBUG
99 LOG (llevDebug, " Formula value=%d\n", formula); 96 LOG (llevDebug, " Formula value=%d\n", formula);
100#endif 97#endif
98
101 return formula; 99 return formula;
102} 100}
103 101
104/** 102/**
105 * Returns total number of items in op 103 * Returns total number of items in op
135 */ 133 */
136static object * 134static object *
137find_transmution_ob (object *first_ingred, recipe *rp, size_t *rp_arch_index, int create_item) 135find_transmution_ob (object *first_ingred, recipe *rp, size_t *rp_arch_index, int create_item)
138{ 136{
139 object *prod_item = 0; 137 object *prod_item = 0;
140 bool found = false;
141 *rp_arch_index = 0; 138 *rp_arch_index = 0;
142 139
143 if (rp->transmute) /* look for matching ingredient/prod archs */ 140 if (rp->transmute) /* look for matching ingredient/prod archs */
144 for (object *item = first_ingred; item; item = item->below) 141 for (object *item = first_ingred; item; item = item->below)
145 { 142 {
168 &prod_item->arch->archname, prod_item->nrof); 165 &prod_item->arch->archname, prod_item->nrof);
169 } 166 }
170#endif 167#endif
171 if (!prod_item) 168 if (!prod_item)
172 *rp_arch_index = rndm (rp->arch_names); 169 *rp_arch_index = rndm (rp->arch_names);
173 prod_item = get_archetype (rp->arch_name[*rp_arch_index]); 170 prod_item = archetype::get (rp->arch_name[*rp_arch_index]);
174 } 171 }
175 172
176#ifdef ALCHEMY_DEBUG 173#ifdef ALCHEMY_DEBUG
177 LOG (llevDebug, "recipe calls for%stransmution.\n", rp->transmute ? " " : " no "); 174 LOG (llevDebug, "recipe calls for%stransmution.\n", rp->transmute ? " " : " no ");
178 if (prod_item != NULL) 175 if (prod_item != NULL)
223 220
224 transmute_materialname (item, art->item); 221 transmute_materialname (item, art->item);
225 give_artifact_abilities (item, art->item); 222 give_artifact_abilities (item, art->item);
226 } 223 }
227 224
228 if (QUERY_FLAG (cauldron, FLAG_CURSED)) 225 if (cauldron->flag [FLAG_CURSED])
229 SET_FLAG (item, FLAG_CURSED); 226 item->set_flag (FLAG_CURSED);
230 if (QUERY_FLAG (cauldron, FLAG_DAMNED)) 227 if (cauldron->flag [FLAG_DAMNED])
231 SET_FLAG (item, FLAG_DAMNED); 228 item->set_flag (FLAG_DAMNED);
232 229
233 return item; 230 return item;
234} 231}
235 232
236/* 233/*
237 * All but object "save_item" are elimentated from 234 * All but object "save_item" are elimentated from
238 * the container list. Note we have to becareful to remove the inventories 235 * the container list. Note we have to becareful to remove the inventories
239 * of objects in the cauldron inventory (ex icecube has stuff in it). 236 * of objects in the cauldron inventory (ex icecube has stuff in it).
240 */ 237 */
241static void 238static void
242remove_contents (object *first_ob, object *save_item) 239remove_contents (object *first_ob, object *save_item)
243{ 240{
244 // this cries for a cleaner rewrite, removing save_item first possibly 241 // this cries for a cleaner rewrite, removing save_item first possibly
289 item->nrof = nrof; 286 item->nrof = nrof;
290 } 287 }
291} 288}
292 289
293/** 290/**
294 * Essentially a wrapper for make_item_from_recipe() and 291 * Essentially a wrapper for make_item_from_recipe() and
295 * insert_ob_in_ob. If the caster has some alchemy skill, then they might 292 * insert_ob_in_ob. If the caster has some alchemy skill, then they might
296 * gain some exp from (successfull) fabrication of the product. 293 * gain some exp from (successfull) fabrication of the product.
297 * If nbatches==-1, don't give exp for this creation (random generation/ 294 * If nbatches==-1, don't give exp for this creation (random generation/
298 * failed recipe) 295 * failed recipe)
299 */ 296 */
300static object * 297static object *
301attempt_recipe (object *caster, object *cauldron, int ability, recipe *rp, int nbatches) 298attempt_recipe (object *caster, object *cauldron, int ability, recipe *rp, int nbatches)
342 { 339 {
343 remove_contents (cauldron->inv, item); 340 remove_contents (cauldron->inv, item);
344 /* Recalc carrying of the cauldron, in case recipe did not conserve mass */ 341 /* Recalc carrying of the cauldron, in case recipe did not conserve mass */
345 cauldron->update_weight (); 342 cauldron->update_weight ();
346 /* adj lvl, nrof on caster level */ 343 /* adj lvl, nrof on caster level */
347 adjust_product (item, ability, rp->yield ? (rp->yield * batches) : batches); 344 adjust_product (item, ability, rp->yield ? rp->yield * batches : batches);
345
348 if (!item->env && (item = insert_ob_in_ob (item, cauldron)) == NULL) 346 if (!item->env && (item = insert_ob_in_ob (item, cauldron)) == NULL)
349 { 347 {
350 new_draw_info (NDI_UNIQUE, 0, caster, "Nothing happened."); 348 new_draw_info (NDI_UNIQUE, 0, caster, "Nothing happened.");
351 /* new_draw_info_format(NDI_UNIQUE, 0,caster, 349 /* new_draw_info_format(NDI_UNIQUE, 0,caster,
352 "Your spell causes the %s to explode!",&cauldron->name); */ 350 "Your spell causes the %s to explode!",&cauldron->name); */
389 if (rndm (0, 2)) 387 if (rndm (0, 2))
390 { /* slag created */ 388 { /* slag created */
391 object *tmp = cauldron->inv; 389 object *tmp = cauldron->inv;
392 int weight = 0; 390 int weight = 0;
393 391
394 tmp = get_archetype (shstr_rock); 392 tmp = archetype::get (shstr_rock);
395 tmp->weight = weight; 393 tmp->weight = weight;
396 tmp->value = 0; 394 tmp->value = 0;
397 tmp->materialname = shstr_stone; 395 tmp->material = name_to_material (shstr_stone);
398 tmp->name = shstr_slag; 396 tmp->name = shstr_slag;
399 tmp->name_pl = shstr_slags; 397 tmp->name_pl = shstr_slags;
400 item = insert_ob_in_ob (tmp, cauldron); 398 item = insert_ob_in_ob (tmp, cauldron);
401 CLEAR_FLAG (tmp, FLAG_CAN_ROLL); 399 tmp->clr_flag (FLAG_CAN_ROLL);
402 SET_FLAG (tmp, FLAG_NO_DROP); 400 tmp->set_flag (FLAG_NO_DROP);
403 tmp->move_block = 0; 401 tmp->move_block = 0;
404 } 402 }
405 403
406 remove_contents (cauldron->inv, item); 404 remove_contents (cauldron->inv, item);
407 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s %s.", &cauldron->name, cauldron_sound ()); 405 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s %s.", &cauldron->name, cauldron_sound ());
415 if ((rp = get_random_recipe ((recipelist *) NULL)) == NULL) 413 if ((rp = get_random_recipe ((recipelist *) NULL)) == NULL)
416 return; 414 return;
417 415
418 if ((tmp = attempt_recipe (op, cauldron, 1, rp, -1))) 416 if ((tmp = attempt_recipe (op, cauldron, 1, rp, -1)))
419 { 417 {
420 if (!QUERY_FLAG (tmp, FLAG_CURSED)) /* curse it */ 418 if (!tmp->flag [FLAG_CURSED]) /* curse it */
421 SET_FLAG (tmp, FLAG_CURSED); 419 tmp->set_flag (FLAG_CURSED);
422 420
423 /* the apply code for potions already deals with cursed 421 /* the apply code for potions already deals with cursed
424 * potions, so any code here is basically ignored. 422 * potions, so any code here is basically ignored.
425 */ 423 */
426 if (tmp->type == FOOD) 424 if (tmp->type == FOOD)
445 int numb = numb_ob_inside (cauldron); 443 int numb = numb_ob_inside (cauldron);
446 444
447 fl = get_formulalist (numb - 1); /* take a lower recipe list */ 445 fl = get_formulalist (numb - 1); /* take a lower recipe list */
448 if (fl && (rp = get_random_recipe (fl))) 446 if (fl && (rp = get_random_recipe (fl)))
449 /* even though random, don't grant user any EXP for it */ 447 /* even though random, don't grant user any EXP for it */
450 (void) attempt_recipe (op, cauldron, 1, rp, -1); 448 attempt_recipe (op, cauldron, 1, rp, -1);
451 else 449 else
452 alchemy_failure_effect (op, cauldron, rp, level - 1); 450 alchemy_failure_effect (op, cauldron, rp, level - 1);
453 } 451 }
454 else if (level < 45) 452 else if (level < 45)
455 { /* INFURIATE NPC's */ 453 { /* INFURIATE NPC's */
466 464
467 remove_contents (cauldron->inv, NULL); 465 remove_contents (cauldron->inv, NULL);
468 switch (rndm (0, 2)) 466 switch (rndm (0, 2))
469 { 467 {
470 case 0: 468 case 0:
471 tmp = get_archetype (shstr_bomb); 469 tmp = archetype::get (shstr_bomb);
472 tmp->stats.dam = random_roll (1, level, op, PREFER_LOW); 470 tmp->stats.dam = random_roll (1, level, op, PREFER_LOW);
473 tmp->stats.hp = random_roll (1, level, op, PREFER_LOW); 471 tmp->stats.hp = random_roll (1, level, op, PREFER_LOW);
474 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s creates a bomb!", &cauldron->name); 472 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s creates a bomb!", &cauldron->name);
475 break; 473 break;
476 474
477 default: 475 default:
478 tmp = get_archetype (shstr_fireball); 476 tmp = archetype::get (shstr_fireball);
479 tmp->stats.dam = random_roll (1, level, op, PREFER_LOW) / 5 + 1; 477 tmp->stats.dam = random_roll (1, level, op, PREFER_LOW) / 5 + 1;
480 tmp->stats.hp = random_roll (1, level, op, PREFER_LOW) / 10 + 2; 478 tmp->stats.hp = random_roll (1, level, op, PREFER_LOW) / 10 + 2;
481 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s erupts in flame!", &cauldron->name); 479 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s erupts in flame!", &cauldron->name);
482 break; 480 break;
483 } 481 }
489 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s %s.", &cauldron->name, cauldron_sound ()); 487 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s %s.", &cauldron->name, cauldron_sound ());
490 remove_contents (cauldron->inv, NULL); 488 remove_contents (cauldron->inv, NULL);
491 } 489 }
492 else if (level < 80) 490 else if (level < 80)
493 { /* MAJOR FIRE */ 491 { /* MAJOR FIRE */
494 object *fb = get_archetype (SP_MED_FIREBALL); 492 object *fb = archetype::get (SP_MED_FIREBALL);
495 493
496 remove_contents (cauldron->inv, NULL); 494 remove_contents (cauldron->inv, NULL);
497 fire_arch_from_position (cauldron, cauldron, cauldron->x, cauldron->y, 0, fb); 495 fire_arch_from_position (cauldron, cauldron, cauldron->x, cauldron->y, 0, fb);
498 fb->destroy (); 496 fb->destroy ();
499 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s erupts in flame!", &cauldron->name); 497 new_draw_info_format (NDI_UNIQUE, 0, op, "The %s erupts in flame!", &cauldron->name);
500 } 498 }
501 else if (level < 100) 499 else if (level < 100)
502 { /* WHAMMY the CAULDRON */ 500 { /* WHAMMY the CAULDRON */
503 if (!QUERY_FLAG (cauldron, FLAG_CURSED)) 501 if (!cauldron->flag [FLAG_CURSED])
504 SET_FLAG (cauldron, FLAG_CURSED); 502 cauldron->set_flag (FLAG_CURSED);
505 else 503 else
506 cauldron->magic--; 504 cauldron->magic--;
507 505
508 cauldron->magic -= random_roll (0, 4, op, PREFER_LOW); 506 cauldron->magic -= random_roll (0, 4, op, PREFER_LOW);
509 507
538 } 536 }
539 else if (level == 151) 537 else if (level == 151)
540 { /* CREATE RANDOM ARTIFACT */ 538 { /* CREATE RANDOM ARTIFACT */
541 object *tmp; 539 object *tmp;
542 540
543 /* this is meant to be better than prior possiblity, 541 /* this is meant to be better than prior possiblity,
544 * in this one, we allow *any* valid alchemy artifact 542 * in this one, we allow *any* valid alchemy artifact
545 * to be made (rather than only those on the given 543 * to be made (rather than only those on the given
546 * formulalist) */ 544 * formulalist) */
547 if (!rp) 545 if (!rp)
548 rp = get_random_recipe ((recipelist *) NULL); 546 rp = get_random_recipe ((recipelist *) NULL);
549 547
550 if (rp && (tmp = get_archetype (rp->arch_name [rndm (rp->arch_names)]))) 548 if (rp && (tmp = archetype::get (rp->arch_name [rndm (rp->arch_names)])))
551 { 549 {
552 generate_artifact (tmp, random_roll (1, op->level / 2 + 1, op, PREFER_HIGH) + 1); 550 generate_artifact (tmp, random_roll (1, op->level / 2 + 1, op, PREFER_HIGH) + 1);
553 if ((tmp = insert_ob_in_ob (tmp, cauldron))) 551 if ((tmp = insert_ob_in_ob (tmp, cauldron)))
554 { 552 {
555 remove_contents (cauldron->inv, tmp); 553 remove_contents (cauldron->inv, tmp);
557 } 555 }
558 } 556 }
559 } 557 }
560 else 558 else
561 { /* MANA STORM - watch out!! */ 559 { /* MANA STORM - watch out!! */
562 object *tmp = get_archetype (LOOSE_MANA); 560 object *tmp = archetype::get (LOOSE_MANA);
563 561
564 new_draw_info (NDI_UNIQUE, 0, op, "You unwisely release potent forces!"); 562 new_draw_info (NDI_UNIQUE, 0, op, "You unwisely release potent forces!");
565 remove_contents (cauldron->inv, NULL); 563 remove_contents (cauldron->inv, NULL);
566 cast_magic_storm (op, tmp, level); 564 cast_magic_storm (op, tmp, level);
567 } 565 }
572 * could be if the user fails to concoct a recipe properly. Factors include 570 * could be if the user fails to concoct a recipe properly. Factors include
573 * the number of ingredients, the length of the name of each ingredient, 571 * the number of ingredients, the length of the name of each ingredient,
574 * the user's effective level, the user's Int and the enchantment on the 572 * the user's effective level, the user's Int and the enchantment on the
575 * mixing device (aka "cauldron"). Higher values of 'danger' indicate more 573 * mixing device (aka "cauldron"). Higher values of 'danger' indicate more
576 * danger. Note that we assume that we have had the caster ready the alchemy 574 * danger. Note that we assume that we have had the caster ready the alchemy
577 * skill *before* this routine is called. (no longer auto-readies that skill) 575 * skill *before* this routine is called. (no longer auto-readies that skill)
578 * -b.t. 576 * -b.t.
579 */ 577 */
580static int 578static int
581calc_alch_danger (object *caster, object *cauldron, recipe *rp) 579calc_alch_danger (object *caster, object *cauldron, object *skill, recipe *rp)
582{ 580{
583 object *item;
584 char name[MAX_BUF];
585 int danger = 0, nrofi = 0; 581 int danger = 0;
586 582
587 /* Knowing alchemy skill reduces yer risk */ 583 /* Knowing alchemy skill reduces yer risk */
588 danger -= caster->chosen_skill ? caster->chosen_skill->level : caster->level; 584 danger -= skill->level;
589
590 if (!caster->chosen_skill)
591 LOG (llevError | logBacktrace, "calc_alch_danger called without a chosen skill, caster %s, cauldron %s\n",
592 caster->debug_desc (), cauldron->debug_desc ());
593 585
594 /* better cauldrons reduce risk */ 586 /* better cauldrons reduce risk */
595 danger -= cauldron->magic; 587 danger -= cauldron->magic;
596 588
597 /* Higher Int, lower the risk */ 589 /* Higher Int, lower the risk */
599 591
600 /* Ingredients. Longer names usually mean rarer stuff. 592 /* Ingredients. Longer names usually mean rarer stuff.
601 * Thus the backfire is worse. Also, more ingredients 593 * Thus the backfire is worse. Also, more ingredients
602 * means we are attempting a more powerfull potion, 594 * means we are attempting a more powerfull potion,
603 * and thus the backfire will be worse. */ 595 * and thus the backfire will be worse. */
604 for (item = cauldron->inv; item; item = item->below) 596 for (object *item = cauldron->inv; item; item = item->below)
605 { 597 {
606 assign (name, item->name); 598 const char *name = item->title
607 if (item->title)
608 sprintf (name, "%s %s", &item->name, &item->title); 599 ? format ("%s %s", &item->name, &item->title)
600 : &item->name;
601
609 danger += (strtoint (name) / 1000) + 3; 602 danger += strtoint (name) / 1000 + 3;
610 nrofi++;
611 } 603 }
612 604
613 if (rp == NULL) 605 if (!rp)
614 danger += 110; 606 danger += 110;
615 else 607 else
616 danger += rp->diff * 3; 608 danger += rp->diff * 3;
617 609
618 /* Using a bad device is *majorly* stupid */ 610 /* Using a bad device is *majorly* stupid */
619 if (QUERY_FLAG (cauldron, FLAG_CURSED)) 611 if (cauldron->flag [FLAG_CURSED]) danger += 80;
620 danger += 80; 612 if (cauldron->flag [FLAG_DAMNED]) danger += 200;
621 if (QUERY_FLAG (cauldron, FLAG_DAMNED))
622 danger += 200;
623 613
624#ifdef ALCHEMY_DEBUG 614#ifdef ALCHEMY_DEBUG
625 LOG (llevDebug, "calc_alch_danger() returned danger=%d\n", danger); 615 LOG (llevDebug, "calc_alch_danger() returned danger=%d\n", danger);
626#endif 616#endif
627 617
805 return result; 795 return result;
806} 796}
807 797
808/** 798/**
809 * Main part of the ALCHEMY code. From this we call fctns 799 * Main part of the ALCHEMY code. From this we call fctns
810 * that take a look at the contents of the 'cauldron' and, using these ingredients, 800 * that take a look at the contents of the 'cauldron' and, using these ingredients,
811 * we construct an integer formula value which is referenced (randomly) against a 801 * we construct an integer formula value which is referenced (randomly) against a
812 * formula list (the formula list chosen is based on the # contents of the cauldron). 802 * formula list (the formula list chosen is based on the # contents of the cauldron).
813 * 803 *
814 * If we get a match between the recipe indicated in cauldron contents and a 804 * If we get a match between the recipe indicated in cauldron contents and a
815 * randomly chosen one, an item is created and experience awarded. Otherwise 805 * randomly chosen one, an item is created and experience awarded. Otherwise
816 * various failure effects are possible (getting worse and worse w/ # cauldron 806 * various failure effects are possible (getting worse and worse w/ # cauldron
817 * ingredients). Note that the 'item' to be made can be *anything* listed on 807 * ingredients). Note that the 'item' to be made can be *anything* listed on
818 * the artifacts list in lib/artifacts which has a recipe listed in lib/formulae. 808 * the artifacts list in lib/artifacts which has a recipe listed in lib/formulae.
819 * 809 *
820 * To those wondering why I am using the funky formula index method: 810 * To those wondering why I am using the funky formula index method:
821 * 1) I want to match recipe to ingredients regardless of ordering. 811 * 1) I want to match recipe to ingredients regardless of ordering.
822 * 2) I want a fast search for the 'right' recipe. 812 * 2) I want a fast search for the 'right' recipe.
823 * 813 *
824 * Note: it is just possible that a totally different combination of 814 * Note: it is just possible that a totally different combination of
825 * ingredients will result in a match with a given recipe. This is not a bug! 815 * ingredients will result in a match with a given recipe. This is not a bug!
826 * There is no good reason (in my mind) why alchemical processes have to be 816 * There is no good reason (in my mind) why alchemical processes have to be
827 * unique -- such a 'feature' is one reason why players might want to experiment 817 * unique -- such a 'feature' is one reason why players might want to experiment
828 * around. :) 818 * around. :)
835 recipe *rp = NULL; 825 recipe *rp = NULL;
836 float success_chance; 826 float success_chance;
837 int numb, ability = 1; 827 int numb, ability = 1;
838 int formula = 0; 828 int formula = 0;
839 float ave_chance; 829 float ave_chance;
840 object *item, *skop; 830 object *item;
841 831
842 if (caster->type != PLAYER) 832 if (caster->type != PLAYER)
843 return; /* only players for now */ 833 return; /* only players for now */
844 834
845 if (get_map_flags (caster->map, NULL, caster->x, caster->y, NULL, NULL) & P_SAFE) 835 if (get_map_flags (caster->map, NULL, caster->x, caster->y, NULL, NULL) & P_SAFE)
853 return; 843 return;
854 844
855 numb = numb_ob_inside (cauldron); 845 numb = numb_ob_inside (cauldron);
856 if ((fl = get_formulalist (numb))) 846 if ((fl = get_formulalist (numb)))
857 { 847 {
858 if (QUERY_FLAG (caster, FLAG_WIZ)) 848 if (caster->flag [FLAG_WIZ])
859 { 849 {
860 rp = find_recipe (fl, formula, cauldron->inv); 850 rp = find_recipe (fl, formula, cauldron->inv);
861 if (rp != NULL) 851 if (rp != NULL)
862 { 852 {
863#ifdef ALCHEMY_DEBUG 853#ifdef ALCHEMY_DEBUG
885 object *tmp; 875 object *tmp;
886 int attempt_shadow_alchemy; 876 int attempt_shadow_alchemy;
887 877
888 ave_chance = fl->total_chance / (float)fl->number; 878 ave_chance = fl->total_chance / (float)fl->number;
889 879
890 ability += (int) (skill->level * ((4.0 + cauldron->magic) / 4.0)); 880 ability += skill->level * ((4.0 + cauldron->magic) / 4.0);
891 881
892 /* determine value of ingredients */ 882 /* determine value of ingredients */
893 value_ingredients = 0; 883 value_ingredients = 0;
894 for (tmp = cauldron->inv; tmp; tmp = tmp->below) 884 for (tmp = cauldron->inv; tmp; tmp = tmp->below)
895 value_ingredients += query_cost (tmp, NULL, F_TRUE); 885 value_ingredients += query_cost (tmp, NULL, F_TRUE);
898 888
899 /* create the object **FIRST**, then decide whether to keep it. */ 889 /* create the object **FIRST**, then decide whether to keep it. */
900 if ((item = attempt_recipe (caster, cauldron, ability, rp, formula / rp->index)) != NULL) 890 if ((item = attempt_recipe (caster, cauldron, ability, rp, formula / rp->index)) != NULL)
901 { 891 {
902 /* compute base chance of recipe success */ 892 /* compute base chance of recipe success */
903 success_chance = ((float) ability / (float) (rp->diff * (item->level + 2))); 893 success_chance = ((float)ability / (float)(rp->diff * (item->level + 2)));
904 if (ave_chance == 0) 894 if (ave_chance == 0)
905 ave_chance = 1; 895 ave_chance = 1;
906 896
907#ifdef ALCHEMY_DEBUG 897#ifdef ALCHEMY_DEBUG
908 LOG (llevDebug, "percent success chance = %f ab%d / diff%d*lev%d\n", success_chance, ability, rp->diff, item->level); 898 LOG (llevDebug, "percent success chance = %f ab%d / diff%d*lev%d\n", success_chance, ability, rp->diff, item->level);
916 "Forcing failure for shadow alchemy recipe because price of ingredients (%llu) is less than price of result (%llu).\n", 906 "Forcing failure for shadow alchemy recipe because price of ingredients (%llu) is less than price of result (%llu).\n",
917 value_ingredients, value_item); 907 value_ingredients, value_item);
918#endif 908#endif
919 } 909 }
920 /* roll the dice */ 910 /* roll the dice */
921 else if ((float) (random_roll (0, 101, caster, PREFER_LOW)) <= 100.0 * success_chance) 911 else if (random_roll (0, 101, caster, PREFER_LOW) <= 100.0 * success_chance)
922 { 912 {
923 change_exp (caster, rp->exp, rp->skill, SK_EXP_NONE); 913 change_exp (caster, rp->exp, rp->skill, SK_EXP_NONE);
924 914
925 // let alchemy consume some time, so that exploits are less easy 915 // let alchemy consume some time, so that exploits are less easy
926 caster->speed_left -= 1.0; 916 caster->speed_left -= 1.0;
930 } 920 }
931 } 921 }
932 } 922 }
933 923
934 /* if we get here, we failed!! */ 924 /* if we get here, we failed!! */
935 alchemy_failure_effect (caster, cauldron, rp, calc_alch_danger (caster, cauldron, rp)); 925 alchemy_failure_effect (caster, cauldron, rp, calc_alch_danger (caster, cauldron, skill, rp));
936} 926}
937 927

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines