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/cvs/deliantra/server/common/recipe.C
Revision: 1.12
Committed: Tue Jan 2 23:39:21 2007 UTC (17 years, 4 months ago) by pippijn
Content type: text/plain
Branch: MAIN
Changes since 1.11: +3 -3 lines
Log Message:
started a fix of the log

File Contents

# Content
1 /* Basic stuff for use with the alchemy code. Clearly some of this stuff
2 * could go into server/alchemy, but I left it here just in case it proves
3 * more generally useful.
4 *
5 * Nov 1995 - file created by b.t. thomas@astro.psu.edu
6 */
7
8
9 /* Our definition of 'formula' is any product of an alchemical process.
10 * Ingredients are just comma delimited list of archetype (or object)
11 * names.
12 */
13
14 /* Example 'formula' entry in libdir/formulae:
15 * Object transparency
16 * chance 10
17 * ingred dust of beholdereye,gem
18 * arch potion_generic
19 */
20
21 #include <cctype>
22
23 #include <global.h>
24 #include <object.h>
25
26 static void build_stringlist (const char *str, char ***result_list, size_t * result_size);
27
28 static recipelist *formulalist;
29
30 static recipelist *
31 init_recipelist (void)
32 {
33 recipelist *tl = new recipelist;
34
35 tl->total_chance = 0;
36 tl->number = 0;
37 tl->items = NULL;
38 tl->next = NULL;
39 return tl;
40 }
41
42 static recipe *
43 get_empty_formula (void)
44 {
45 recipe *t = new recipe;
46
47 t->chance = 0;
48 t->index = 0;
49 t->transmute = 0;
50 t->yield = 0;
51 t->diff = 0;
52 t->exp = 0;
53 t->keycode = 0;
54 t->title = NULL;
55 t->arch_names = 0;
56 t->arch_name = NULL;
57 t->skill = NULL;
58 t->cauldron = NULL;
59 t->ingred = NULL;
60 t->next = NULL;
61 return t;
62 }
63
64 /* get_formulalist() - returns pointer to the formula list */
65
66 recipelist *
67 get_formulalist (int i)
68 {
69 recipelist *fl = formulalist;
70 int number = i;
71
72 while (fl && number > 1)
73 {
74 if (!(fl = fl->next))
75 break;
76 number--;
77 }
78 return fl;
79 }
80
81 /* check_recipe() - makes sure we actually have the requested artifact
82 * and archetype. */
83
84 static int
85 check_recipe (const recipe *rp)
86 {
87 size_t i;
88 int result;
89
90 result = 1;
91 for (i = 0; i < rp->arch_names; i++)
92 {
93 if (archetype::find (rp->arch_name[i]) != NULL)
94 {
95 artifact *art = locate_recipe_artifact (rp, i);
96
97 if (!art && strcmp (rp->title, "NONE") != 0)
98 {
99 LOG (llevError, "WARNING: Formula %s of %s has no artifact.\n", rp->arch_name[i], &rp->title);
100 result = 0;
101 }
102 }
103 else
104 {
105 LOG (llevError, "WARNING: Can't find archetype %s for formula %s\n", rp->arch_name[i], &rp->title);
106 result = 0;
107 }
108 }
109
110 return result;
111 }
112
113
114 /*
115 * init_formulae() - Builds up the lists of formula from the file in
116 * the libdir. -b.t.
117 */
118
119 void
120 init_formulae (void)
121 {
122 static int has_been_done = 0;
123 FILE *fp;
124 char filename[MAX_BUF], buf[MAX_BUF], *cp, *next;
125 recipe *formula = NULL;
126 recipelist *fl = init_recipelist ();
127 linked_char *tmp;
128 int value, comp;
129
130 if (!formulalist)
131 formulalist = fl;
132
133 if (has_been_done)
134 return;
135 else
136 has_been_done = 1;
137
138 sprintf (filename, "%s/formulae", settings.datadir);
139 LOG (llevDebug, "Reading alchemical formulae from %s...\n", filename);
140 if ((fp = open_and_uncompress (filename, 0, &comp)) == NULL)
141 {
142 LOG (llevError, "Can't open %s.\n", filename);
143 return;
144 }
145
146 while (fgets (buf, MAX_BUF, fp) != NULL)
147 {
148 if (*buf == '#')
149 continue;
150 if ((cp = strchr (buf, '\n')) != NULL)
151 *cp = '\0';
152 cp = buf;
153 while (*cp == ' ') /* Skip blanks */
154 cp++;
155
156 if (!strncmp (cp, "Object", 6))
157 {
158 formula = get_empty_formula ();
159 formula->title = strchr (cp, ' ') + 1;
160 }
161 else if (!strncmp (cp, "keycode", 7))
162 {
163 formula->keycode = strchr (cp, ' ') + 1;
164 }
165 else if (sscanf (cp, "trans %d", &value))
166 {
167 formula->transmute = (uint16) value;
168 }
169 else if (sscanf (cp, "yield %d", &value))
170 {
171 formula->yield = (uint16) value;
172 }
173 else if (sscanf (cp, "chance %d", &value))
174 {
175 formula->chance = (uint16) value;
176 }
177 else if (sscanf (cp, "exp %d", &value))
178 {
179 formula->exp = (uint16) value;
180 }
181 else if (sscanf (cp, "diff %d", &value))
182 {
183 formula->diff = (uint16) value;
184 }
185 else if (!strncmp (cp, "ingred", 6))
186 {
187 int numb_ingred = 1;
188
189 cp = strchr (cp, ' ') + 1;
190 do
191 {
192 if ((next = strchr (cp, ',')) != NULL)
193 {
194 *(next++) = '\0';
195 numb_ingred++;
196 }
197 tmp = new linked_char;
198
199 tmp->name = cp;
200 tmp->next = formula->ingred;
201 formula->ingred = tmp;
202 /* each ingredient's ASCII value is coadded. Later on this
203 * value will be used allow us to search the formula lists
204 * quickly for the right recipe.
205 */
206 formula->index += strtoint (cp);
207 }
208 while ((cp = next) != NULL);
209 /* now find the correct (# of ingred ordered) formulalist */
210 fl = formulalist;
211 while (numb_ingred != 1)
212 {
213 if (!fl->next)
214 fl->next = init_recipelist ();
215 fl = fl->next;
216 numb_ingred--;
217 }
218 fl->total_chance += formula->chance;
219 fl->number++;
220 formula->next = fl->items;
221 fl->items = formula;
222 }
223 else if (!strncmp (cp, "arch", 4))
224 {
225 build_stringlist (strchr (cp, ' ') + 1, &formula->arch_name, &formula->arch_names);
226 check_recipe (formula);
227 }
228 else if (!strncmp (cp, "skill", 5))
229 {
230 formula->skill = strchr (cp, ' ') + 1;
231 }
232 else if (!strncmp (cp, "cauldron", 8))
233 {
234 formula->cauldron = strchr (cp, ' ') + 1;
235 }
236 else
237 LOG (llevError, "Unknown input in file %s: %s\n", filename, buf);
238 }
239 LOG (llevDebug, "done.\n");
240 close_and_delete (fp, comp);
241 /* Lastly, lets check for problems in formula we got */
242 check_formulae ();
243 }
244
245 /* check_formulae()- since we are doing a squential search on the
246 * formulae lists now, we have to be carefull that we dont have 2
247 * formula with the exact same index value. Under the new nbatches
248 * code, it is possible to have multiples of ingredients in a cauldron
249 * which could result in an index formula mismatch. We *don't* check for
250 * that possibility here. -b.t.
251 */
252 void
253 check_formulae (void)
254 {
255 recipelist *fl;
256 recipe *check, *formula;
257 int numb = 1;
258
259 LOG (llevDebug, "Checking formulae lists...");
260
261 for (fl = formulalist; fl != NULL; fl = fl->next)
262 {
263 for (formula = fl->items; formula != NULL; formula = formula->next)
264 for (check = formula->next; check != NULL; check = check->next)
265 if (check->index == formula->index)
266 {
267 LOG (llevError, " ERROR: On %d ingred list: ", numb);
268 LOG (llevError, "Formulae [%s] of %s and [%s] of %s have matching index id (%d)\n",
269 formula->arch_name[0], &formula->title, check->arch_name[0], &check->title, formula->index);
270 }
271 numb++;
272 }
273
274 LOG (llevDebug, "done.\n");
275
276 }
277
278 /* Borrowed (again) from the artifacts code for this */
279
280 void
281 dump_alchemy (void)
282 {
283 recipelist *fl = formulalist;
284 recipe *formula = NULL;
285 linked_char *next;
286 int num_ingred = 1;
287
288 fprintf (logfile, "\n");
289 while (fl)
290 {
291 fprintf (logfile, "\n Formulae with %d ingredient%s %d Formulae with total_chance=%d\n",
292 num_ingred, num_ingred > 1 ? "s." : ".", fl->number, fl->total_chance);
293 for (formula = fl->items; formula != NULL; formula = formula->next)
294 {
295 artifact *art = NULL;
296 char buf[MAX_BUF];
297 size_t i;
298
299 for (i = 0; i < formula->arch_names; i++)
300 {
301 const char *string = formula->arch_name[i];
302
303 if (archetype::find (string) != NULL)
304 {
305 art = locate_recipe_artifact (formula, i);
306 if (!art && strcmp (formula->title, "NONE"))
307 LOG (llevError, "Formula %s has no artifact\n", &formula->title);
308 else
309 {
310 if (strcmp (formula->title, "NONE"))
311 sprintf (buf, "%s of %s", string, &formula->title);
312 else
313 sprintf (buf, "%s", string);
314 fprintf (logfile, "%-30s(%d) bookchance %3d ", buf, formula->index, formula->chance);
315 fprintf (logfile, "skill %s", &formula->skill);
316 fprintf (logfile, "\n");
317 if (formula->ingred != NULL)
318 {
319 int nval = 0, tval = 0;
320
321 fprintf (logfile, "\tIngred: ");
322 for (next = formula->ingred; next != NULL; next = next->next)
323 {
324 if (nval != 0)
325 fprintf (logfile, ",");
326 fprintf (logfile, "%s(%d)", &next->name, (nval = strtoint (next->name)));
327 tval += nval;
328 }
329 fprintf (logfile, "\n");
330 if (tval != formula->index)
331 fprintf (logfile, "WARNING:ingredient list and formula values not equal.\n");
332 }
333 if (formula->skill != NULL)
334 fprintf (logfile, "\tSkill Required: %s", &formula->skill);
335 if (formula->cauldron != NULL)
336 fprintf (logfile, "\tCauldron: %s\n", &formula->cauldron);
337 fprintf (logfile, "\tDifficulty: %d\t Exp: %d\n", formula->diff, formula->exp);
338 }
339 }
340 else
341 LOG (llevError, "Can't find archetype:%s for formula %s\n", string, &formula->title);
342 }
343 }
344 fprintf (logfile, "\n");
345 fl = fl->next;
346 num_ingred++;
347 }
348 }
349
350 /* Find a treasure with a matching name. The 'depth' parameter is
351 * only there to prevent infinite loops in treasure lists (a list
352 * referencing another list pointing back to the first one). */
353 archetype *
354 find_treasure_by_name (const treasure *t, const char *name, int depth)
355 {
356 treasurelist *tl;
357 archetype *at;
358
359 if (depth > 10)
360 return 0;
361
362 while (t)
363 {
364 if (t->name)
365 {
366 tl = find_treasurelist (t->name);
367
368 if (tl)
369 {
370 at = find_treasure_by_name (tl->items, name, depth + 1);
371
372 if (at)
373 return at;
374 }
375 }
376 else
377 {
378 if (!strcasecmp (t->item->clone.name, name))
379 return t->item;
380 }
381
382 if (t->next_yes)
383 {
384 at = find_treasure_by_name (t->next_yes, name, depth);
385 if (at)
386 return at;
387 }
388
389 if (t->next_no)
390 {
391 at = find_treasure_by_name (t->next_no, name, depth);
392 if (at)
393 return at;
394 }
395 t = t->next;
396 }
397 return 0;
398 }
399
400 /* If several archetypes have the same name, the value of the first
401 * one with that name will be returned. This happens for the
402 * mushrooms (mushroom_1, mushroom_2 and mushroom_3). For the
403 * monsters' body parts, there may be several monsters with the same
404 * name. This is not a problem if these monsters have the same level
405 * (e.g. sage & c_sage) or if only one of the monsters generates the
406 * body parts that we are looking for (e.g. big_dragon and
407 * big_dragon_worthless). */
408 long
409 find_ingred_cost (const char *name)
410 {
411 archetype *at;
412 archetype *at2;
413 artifactlist *al;
414 artifact *art;
415 long mult;
416 char *cp;
417 char part1[100];
418 char part2[100];
419
420 /* same as atoi(), but skip number */
421 mult = 0;
422 while (isdigit (*name))
423 {
424 mult = 10 * mult + (*name - '0');
425 name++;
426 }
427 if (mult > 0)
428 name++;
429 else
430 mult = 1;
431 /* first, try to match the name of an archetype */
432 for (at = first_archetype; at != NULL; at = at->next)
433 {
434 if (at->clone.title != NULL)
435 {
436 /* inefficient, but who cares? */
437 sprintf (part1, "%s %s", &at->clone.name, &at->clone.title);
438 if (!strcasecmp (part1, name))
439 return mult * at->clone.value;
440 }
441 if (!strcasecmp (at->clone.name, name))
442 return mult * at->clone.value;
443 }
444 /* second, try to match an artifact ("arch of something") */
445 cp = strstr (name, " of ");
446 if (cp != NULL)
447 {
448 strcpy (part1, name);
449 part1[cp - name] = '\0';
450 strcpy (part2, cp + 4);
451 /* find the first archetype matching the first part of the name */
452 for (at = first_archetype; at != NULL; at = at->next)
453 if (!strcasecmp (at->clone.name, part1) && at->clone.title == NULL)
454 break;
455 if (at != NULL)
456 {
457 /* find the first artifact derived from that archetype (same type) */
458 for (al = first_artifactlist; al != NULL; al = al->next)
459 if (al->type == at->clone.type)
460 {
461 for (art = al->items; art != NULL; art = art->next)
462 if (!strcasecmp (art->item->name, part2))
463 return mult * at->clone.value * art->item->value;
464 }
465 }
466 }
467 /* third, try to match a body part ("arch's something") */
468 cp = strstr (name, "'s ");
469 if (cp != NULL)
470 {
471 strcpy (part1, name);
472 part1[cp - name] = '\0';
473 strcpy (part2, cp + 3);
474 /* examine all archetypes matching the first part of the name */
475 for (at = first_archetype; at != NULL; at = at->next)
476 if (!strcasecmp (at->clone.name, part1) && at->clone.title == NULL)
477 {
478 if (at->clone.randomitems != NULL)
479 {
480 at2 = find_treasure_by_name (at->clone.randomitems->items, part2, 0);
481 if (at2)
482 return mult * at2->clone.value * isqrt (at->clone.level * 2);
483 }
484 }
485 }
486 /* failed to find any matching items -- formula should be checked */
487 return -1;
488 }
489
490 /* code copied from dump_alchemy() and modified by Raphael Quinet */
491 void
492 dump_alchemy_costs (void)
493 {
494 recipelist *fl = formulalist;
495 recipe *formula = NULL;
496 linked_char *next;
497 int num_ingred = 1;
498 int num_errors = 0;
499 long cost;
500 long tcost;
501
502 fprintf (logfile, "\n");
503 while (fl)
504 {
505 fprintf (logfile, "\n Formulae with %d ingredient%s %d Formulae with total_chance=%d\n",
506 num_ingred, num_ingred > 1 ? "s." : ".", fl->number, fl->total_chance);
507 for (formula = fl->items; formula != NULL; formula = formula->next)
508 {
509 artifact *art = NULL;
510 archetype *at = NULL;
511 char buf[MAX_BUF];
512 size_t i;
513
514 for (i = 0; i < formula->arch_names; i++)
515 {
516 const char *string = formula->arch_name[i];
517
518 if ((at = archetype::find (string)) != NULL)
519 {
520 art = locate_recipe_artifact (formula, i);
521 if (!art && strcmp (formula->title, "NONE"))
522 LOG (llevError, "Formula %s has no artifact\n", &formula->title);
523 else
524 {
525 if (!strcmp (formula->title, "NONE"))
526 sprintf (buf, "%s", string);
527 else
528 sprintf (buf, "%s of %s", string, &formula->title);
529 fprintf (logfile, "\n%-40s bookchance %3d skill %s\n", buf, formula->chance, &(formula->skill));
530 if (formula->ingred != NULL)
531 {
532 tcost = 0;
533 for (next = formula->ingred; next != NULL; next = next->next)
534 {
535 cost = find_ingred_cost (next->name);
536 if (cost < 0)
537 num_errors++;
538 fprintf (logfile, "\t%-33s%5ld\n", &next->name, cost);
539 if (cost < 0 || tcost < 0)
540 tcost = -1;
541 else
542 tcost += cost;
543 }
544 if (art != NULL && art->item != NULL)
545 cost = at->clone.value * art->item->value;
546 else
547 cost = at->clone.value;
548 fprintf (logfile, "\t\tBuying result costs: %5ld", cost);
549 if (formula->yield > 1)
550 {
551 fprintf (logfile, " to %ld (max %d items)\n", cost * formula->yield, formula->yield);
552 cost = cost * (formula->yield + 1L) / 2L;
553 }
554 else
555 fprintf (logfile, "\n");
556 fprintf (logfile, "\t\tIngredients cost: %5ld\n\t\tComment: ", tcost);
557 if (tcost < 0)
558 fprintf (logfile, "Could not find some ingredients. Check the formula!\n");
559 else if (tcost > cost)
560 fprintf (logfile, "Ingredients are much too expensive. Useless formula.\n");
561 else if (tcost * 2L > cost)
562 fprintf (logfile, "Ingredients are too expensive.\n");
563 else if (tcost * 10L < cost)
564 fprintf (logfile, "Ingredients are too cheap.\n");
565 else
566 fprintf (logfile, "OK.\n");
567 }
568 }
569 }
570 else
571 LOG (llevError, "Can't find archetype:%s for formula %s\n", string, &formula->title);
572 }
573 }
574 fprintf (logfile, "\n");
575 fl = fl->next;
576 num_ingred++;
577 }
578 if (num_errors > 0)
579 fprintf (logfile, "WARNING: %d objects required by the formulae do not exist in the game.\n", num_errors);
580 }
581
582 const char *
583 ingred_name (const char *name)
584 {
585 const char *cp = name;
586
587 if (atoi (cp))
588 cp = strchr (cp, ' ') + 1;
589 return cp;
590 }
591
592 /* strtoint() - we use this to convert buf into an integer
593 * equal to the coadded sum of the (lowercase) character
594 * ASCII values in buf (times prepended integers).
595 */
596
597 int
598 strtoint (const char *buf)
599 {
600 const char *cp = ingred_name (buf);
601 int val = 0, len = strlen (cp), mult = numb_ingred (buf);
602
603 while (len)
604 {
605 val += tolower (*cp);
606 cp++;
607 len--;
608 }
609 return val * mult;
610 }
611
612 artifact *
613 locate_recipe_artifact (const recipe *rp, size_t idx)
614 {
615 object *item = get_archetype (rp->arch_name[idx]);
616 artifactlist *at = NULL;
617 artifact *art = NULL;
618
619 if (!item)
620 return (artifact *) NULL;
621
622 if ((at = find_artifactlist (item->type)))
623 for (art = at->items; art; art = art->next)
624 if (!strcmp (art->item->name, rp->title))
625 break;
626
627 item->destroy ();
628
629 return art;
630 }
631
632 int
633 numb_ingred (const char *buf)
634 {
635 int numb;
636
637 if ((numb = atoi (buf)))
638 return numb;
639 else
640 return 1;
641 }
642
643 recipelist *
644 get_random_recipelist (void)
645 {
646 recipelist *fl = NULL;
647 int number = 0, roll = 0;
648
649 /* first, determine # of recipelist we have */
650 for (fl = get_formulalist (1); fl; fl = fl->next)
651 number++;
652
653 /* now, randomly choose one */
654 if (number > 0)
655 roll = RANDOM () % number;
656
657 fl = get_formulalist (1);
658 while (roll && fl)
659 {
660 if (fl->next)
661 fl = fl->next;
662 else
663 break;
664 roll--;
665 }
666 if (!fl) /* failed! */
667 LOG (llevError, "get_random_recipelist(): no recipelists found!\n");
668 else if (fl->total_chance == 0)
669 fl = get_random_recipelist ();
670
671 return fl;
672 }
673
674 recipe *
675 get_random_recipe (recipelist * rpl)
676 {
677 recipelist *fl = rpl;
678 recipe *rp = NULL;
679 int r = 0;
680
681 /* looks like we have to choose a random one */
682 if (fl == NULL)
683 if ((fl = get_random_recipelist ()) == NULL)
684 return rp;
685
686 if (fl->total_chance > 0)
687 {
688 r = RANDOM () % fl->total_chance;
689 for (rp = fl->items; rp; rp = rp->next)
690 {
691 r -= rp->chance;
692 if (r < 0)
693 break;
694 }
695 }
696 return rp;
697 }
698
699 void
700 free_all_recipes (void)
701 {
702 recipelist *fl = formulalist, *flnext;
703 recipe *formula = NULL, *next;
704 linked_char *lchar, *charnext;
705
706 LOG (llevDebug, "Freeing all the recipes\n");
707 for (fl = formulalist; fl != NULL; fl = flnext)
708 {
709 flnext = fl->next;
710
711 for (formula = fl->items; formula != NULL; formula = next)
712 {
713 next = formula->next;
714
715 free (formula->arch_name[0]);
716 free (formula->arch_name);
717
718 for (lchar = formula->ingred; lchar; lchar = charnext)
719 {
720 charnext = lchar->next;
721 delete lchar;
722 }
723 delete formula;
724 }
725
726 delete fl;
727 }
728 }
729
730 /**
731 * Split a comma separated string list into words.
732 *
733 * @param str the string to split
734 *
735 * @param result_list pointer to return value for the newly created list; the
736 * caller is responsible for freeing both *result_list and **result_list.
737 *
738 * @param result_size pointer to return value for the size of the newly
739 * created list
740 */
741 static void
742 build_stringlist (const char *str, char ***result_list, size_t * result_size)
743 {
744 char *dup;
745 char *p;
746 size_t size;
747 size_t i;
748
749 dup = strdup (str);
750 if (dup == NULL)
751 fatal (OUT_OF_MEMORY);
752
753 size = 0;
754 for (p = strtok (dup, ","); p != NULL; p = strtok (NULL, ","))
755 size++;
756
757 *result_list = (char **) malloc (size * sizeof (*result_list));
758
759 *result_size = size;
760
761 for (i = 0; i < size; i++)
762 {
763 (*result_list)[i] = dup;
764 dup = dup + strlen (dup) + 1;
765 }
766 }