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Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.55 by root, Wed May 30 03:03:10 2007 UTC vs.
Revision 1.68 by root, Thu Sep 25 22:58:13 2008 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008 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 * Crossfire TRT is free software; you can redistribute it and/or modify it 8 * Deliantra is free software: you can redistribute it and/or modify
9 * under the terms of the GNU General Public License as published by the Free 9 * it under the terms of the GNU General Public License as published by
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * the Free Software Foundation, either version 3 of the License, or
11 * 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, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 18 * You should have received a copy of the GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 * 20 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25/* Created July 95 to separate skill utilities from actual skills -b.t. */ 24/* Created July 95 to separate skill utilities from actual skills -b.t. */
26 25
27/* Reconfigured skills code to allow linking of skills to experience 26/* Reconfigured skills code to allow linking of skills to experience
… …
61 * subtypes. 60 * subtypes.
62 */ 61 */
63void 62void
64init_skills (void) 63init_skills (void)
65{ 64{
66 for (archetype *at = first_archetype; at; at = at->next) 65 for_all_archetypes (at)
67 if (at->clone.type == SKILL) 66 if (at->type == SKILL)
68 { 67 {
69 if (skill_names[at->clone.subtype]) 68 if (skill_names[at->subtype])
70 LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n", 69 LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",
71 at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill); 70 at->subtype, &skill_names[at->subtype], &at->skill);
72 else 71 else
73 skill_names[at->clone.subtype] = at->clone.skill; 72 skill_names[at->subtype] = at->skill;
74 } 73 }
75 74
76 /* This isn't really an error if there is no skill subtype set, but 75 /* This isn't really an error if there is no skill subtype set, but
77 * checking for this may catch some user errors. 76 * checking for this may catch some user errors.
78 */ 77 */
… …
85 * up the last_skills[] array in the player object. 84 * up the last_skills[] array in the player object.
86 * the last_skills[] is used to more quickly lookup skills - 85 * the last_skills[] is used to more quickly lookup skills -
87 * mostly used for sending exp. 86 * mostly used for sending exp.
88 */ 87 */
89void 88void
90link_player_skills (object *op) 89player::link_skills ()
91{ 90{
91 for (int i = 0; i < NUM_SKILLS; ++i)
92 last_skill_ob [i] = 0;
93
92 for (object *tmp = op->inv; tmp; tmp = tmp->below) 94 for (object *tmp = ob->inv; tmp; tmp = tmp->below)
93 if (tmp->type == SKILL) 95 if (tmp->type == SKILL)
94 { 96 {
95 /* This is really a warning, hence no else below */ 97 assert (IN_RANGE_EXC (tmp->subtype, 0, NUM_SKILLS));
96 if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)
97 LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
98 &op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);
99 98
100 if (tmp->subtype >= NUM_SKILLS) 99 if (last_skill_ob [tmp->subtype] != tmp)
101 LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);
102 else
103 { 100 {
101 /* This is really a warning, hence no else below */
102 if (last_skill_ob [tmp->subtype])
103 LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
104 &last_skill_ob [tmp->subtype]->skill, &tmp->skill);
105
104 op->contr->last_skill_ob[tmp->subtype] = tmp; 106 last_skill_ob [tmp->subtype] = tmp;
105 op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go 107 if (ns)
108 ns->last_skill_exp [tmp->subtype] = -1;
106 } 109 }
107 } 110 }
108} 111}
109 112
110static object * 113static object *
111find_skill (object *who, const shstr &sh) 114find_skill (object *who, const shstr &name)
112{ 115{
116 if (who->chosen_skill
117 && who->chosen_skill->skill == name
118 && who->chosen_skill->type == SKILL)
119 return who->chosen_skill;
120
113 for (object *tmp = who->inv; tmp; tmp = tmp->below) 121 for (object *tmp = who->inv; tmp; tmp = tmp->below)
114 if (tmp->skill == sh && tmp->type == SKILL) 122 if (tmp->skill == name && tmp->type == SKILL)
115 return tmp; 123 return splay (tmp);
116 124
117 return 0; 125 return 0;
126}
127
128object *player::find_skill (const shstr &name) const
129{
130 // might want to use last_skill_obj at one point, or maybe not
131 return ::find_skill (ob, name);
132}
133
134object *player::find_skill (const char *name) const
135{
136 return find_skill (shstr (name));
118} 137}
119 138
120/* This returns the skill pointer of the given name (the 139/* This returns the skill pointer of the given name (the
121 * one that accumulates exp, has the level, etc). 140 * one that accumulates exp, has the level, etc).
122 * 141 *
… …
150 * but not the skill itself, give it to them. 169 * but not the skill itself, give it to them.
151 */ 170 */
152 object *skill = find_skill (who, skill_tool->skill); 171 object *skill = find_skill (who, skill_tool->skill);
153 172
154 if (!skill) 173 if (!skill)
155 {
156 skill = give_skill_by_name (who, skill_tool->skill); 174 skill = give_skill_by_name (who, skill_tool->skill);
157 link_player_skills (who);
158 }
159 175
160 if (!skill_tool->flag [FLAG_APPLIED]) 176 if (!skill_tool->flag [FLAG_APPLIED])
161 if (apply_special (who, splay (skill_tool), AP_APPLY | AP_NO_READY)) 177 if (apply_special (who, splay (skill_tool), AP_APPLY | AP_NO_READY))
162 return 0; 178 return 0;
163 179
… …
292 new_draw_info (NDI_UNIQUE, 0, op, "You come to earth."); 308 new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
293 } 309 }
294 else 310 else
295 { 311 {
296 SET_FLAG (skill, FLAG_APPLIED); 312 SET_FLAG (skill, FLAG_APPLIED);
297 new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!."); 313 new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
298 } 314 }
299 315
300 op->update_stats (); 316 op->update_stats ();
301 success = 1; 317 success = 1;
302 break; 318 break;
… …
312 case SK_HIDING: 328 case SK_HIDING:
313 exp = success = hide (op, skill); 329 exp = success = hide (op, skill);
314 break; 330 break;
315 331
316 case SK_JUMPING: 332 case SK_JUMPING:
317 success = jump (op, dir, skill); 333 exp = success = jump (op, dir, skill);
318 break; 334 break;
319 335
320 case SK_INSCRIPTION: 336 case SK_INSCRIPTION:
321 exp = success = write_on_item (op, string, skill); 337 exp = success = write_on_item (op, string, skill);
322 break; 338 break;
… …
453 * Monsters have no skill use time because of the random nature in 469 * Monsters have no skill use time because of the random nature in
454 * which use_monster_skill is called already simulates this. 470 * which use_monster_skill is called already simulates this.
455 * If certain skills should take more/less time, that should be 471 * If certain skills should take more/less time, that should be
456 * in the code for the skill itself. 472 * in the code for the skill itself.
457 */ 473 */
458
459 if (op->type == PLAYER) 474 if (op->type == PLAYER)
460 op->speed_left -= 1.f; 475 op->speed_left -= 1.f;
461 476
462 /* this is a good place to add experience for successfull use of skills. 477 /* this is a good place to add experience for successfull use of skills.
463 * Note that add_exp() will figure out player/monster experience 478 * Note that add_exp() will figure out player/monster experience
… …
511 * If an object is not alive and magical we set the base exp higher to 526 * If an object is not alive and magical we set the base exp higher to
512 * help out exp awards for skill_ident skills. Also, if 527 * help out exp awards for skill_ident skills. Also, if
513 * an item is type RUNE, we give out exp based on stats.Cha 528 * an item is type RUNE, we give out exp based on stats.Cha
514 * and level (this was the old system) -b.t. 529 * and level (this was the old system) -b.t.
515 */ 530 */
516
517 if (!op) 531 if (!op)
518 { /* no item/creature */ 532 { /* no item/creature */
519 op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty; 533 op_lvl = max (1, who->map->difficulty);
520 op_exp = 0; 534 op_exp = 0;
521 } 535 }
522 else if (op->type == RUNE || op->type == TRAP) 536 else if (op->type == RUNE || op->type == TRAP)
523 { /* all traps. If stats.Cha > 1 we use that 537 { /* all traps. If stats.Cha > 1 we use that
524 * for the amount of experience */ 538 * for the amount of experience */
… …
528 else 542 else
529 { /* all other items/living creatures */ 543 { /* all other items/living creatures */
530 op_exp = op->stats.exp; 544 op_exp = op->stats.exp;
531 op_lvl = op->level; 545 op_lvl = op->level;
532 if (!QUERY_FLAG (op, FLAG_ALIVE)) 546 if (!QUERY_FLAG (op, FLAG_ALIVE))
533 { /* for ident/make items */ 547 op_lvl += 5 * abs (op->magic); /* for ident/make items */
534 op_lvl += 5 * abs (op->magic);
535 }
536 } 548 }
537 549
538 if (op_lvl < 1) 550 if (op_lvl < 1)
539 op_lvl = 1; 551 op_lvl = 1;
540 552
… …
548 /* if skill really is a skill, then we can look at the skill archetype for 560 /* if skill really is a skill, then we can look at the skill archetype for
549 * bse reward value (exp) and level multiplier factor. 561 * bse reward value (exp) and level multiplier factor.
550 */ 562 */
551 if (skill->type == SKILL) 563 if (skill->type == SKILL)
552 { 564 {
553 base += skill->arch->clone.stats.exp; 565 base += skill->arch->stats.exp;
554 if (settings.simple_exp) 566 if (settings.simple_exp)
555 { 567 {
556 if (skill->arch->clone.level) 568 if (skill->arch->level)
557 lvl_mult = (float) skill->arch->clone.level / 100.0; 569 lvl_mult = (float) skill->arch->level / 100.0;
558 else 570 else
559 lvl_mult = 1.0; /* no adjustment */ 571 lvl_mult = 1.0; /* no adjustment */
560 } 572 }
561 else 573 else
562 { 574 {
563 if (skill->level) 575 if (skill->level)
564 lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0); 576 lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
565 else 577 else
566 lvl_mult = 1.0; 578 lvl_mult = 1.0;
567 } 579 }
568 } 580 }
569 else 581 else
570 { 582 {
571 /* Don't divide by zero here! */ 583 /* Don't divide by zero here! */
572 lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1); 584 lvl_mult = (float) op_lvl / (float) max (1, skill->level);
573 } 585 }
574 } 586 }
575 587
576 /* assemble the exp total, and return value */ 588 /* assemble the exp total, and return value */
577 589
… …
623 LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill); 635 LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
624 return 2; 636 return 2;
625 } 637 }
626 638
627 SET_FLAG (tmp, FLAG_CAN_USE_SKILL); 639 SET_FLAG (tmp, FLAG_CAN_USE_SKILL);
628 link_player_skills (pl); 640
629 return 1; 641 return 1;
630} 642}
631 643
632/* Gives a percentage clipped to 0% -> 100% of a/b. */ 644/* Gives a percentage clipped to 0% -> 100% of a/b. */
633/* Probably belongs in some global utils-type file? */ 645/* Probably belongs in some global utils-type file? */
… …
657 * Note this function is a bit more complicated becauase we 669 * Note this function is a bit more complicated becauase we
658 * we want ot sort the skills before printing them. If we 670 * we want ot sort the skills before printing them. If we
659 * just dumped this as we found it, this would be a bit 671 * just dumped this as we found it, this would be a bit
660 * simpler. 672 * simpler.
661 */ 673 */
662 674//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
663void 675void
664show_skills (object *op, const char *search) 676show_skills (object *pl, const char *search)
665{ 677{
666 object *tmp = NULL;
667 char buf[MAX_BUF];
668 const char *cp; 678 const char *cp;
669 int i, num_skills_found = 0; 679 int i, num_skills_found = 0;
670 static const char *const periods = "........................................"; 680 const char *const periods = ".............................."; // 30
671 681
672 /* Need to have a pointer and use strdup for qsort to work properly */ 682 /* Need to have a pointer and use strdup for qsort to work properly */
673 char skills[NUM_SKILLS][MAX_BUF]; 683 char skills[NUM_SKILLS][128]; // d'oh
674 684
685 object *op = pl->contr->ob;
675 686
676 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 687 for (object *tmp = op->inv; tmp; tmp = tmp->below)
677 { 688 {
678 if (tmp->type == SKILL) 689 if (tmp->type == SKILL)
679 { 690 {
680 if (search && strstr (tmp->name, search) == NULL) 691 if (search && !strstr (tmp->name, search))
681 continue; 692 continue;
693
694 char buf[30];
695
682 /* Basically want to fill this out to 40 spaces with periods */ 696 /* Basically want to fill this out to 30 spaces with periods */
683 sprintf (buf, "%s%s", &tmp->name, periods); 697 snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
684 buf[40] = 0;
685 698
686 if (settings.permanent_exp_ratio) 699 if (settings.permanent_exp_ratio)
687 {
688 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)", 700 snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
689 buf, tmp->level, tmp->stats.exp, 701 buf, tmp->level, tmp->stats.exp,
690 level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp)); 702 level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
691 }
692 else 703 else
693 {
694 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")", 704 snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
695 buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul)); 705 buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
696 } 706
697 /* I don't know why some characters get a bunch of skills, but 707 /* I don't know why some characters get a bunch of skills, but
698 * it sometimes happens (maybe a leftover from bugier earlier code 708 * it sometimes happens (maybe a leftover from bugier earlier code
699 * and those character are still about). In any case, lets handle 709 * and those character are still about). In any case, lets handle
700 * it so it doesn't crash the server - otherwise, one character may 710 * it so it doesn't crash the server - otherwise, one character may
701 * crash the server numerous times. 711 * crash the server numerous times.
… …
707 break; 717 break;
708 } 718 }
709 } 719 }
710 } 720 }
711 721
712 clear_win_info (op); 722 dynbuf_text msg (4096, 1024);
713 new_draw_info (NDI_UNIQUE, 0, op, "Player skills:"); 723
724 msg << "T<Player skills:>\n\n";
714 if (num_skills_found > 1) 725 if (num_skills_found > 1)
715 qsort (skills, num_skills_found, MAX_BUF, (int (*)(const void *, const void *)) std::strcmp); 726 qsort (skills, num_skills_found, sizeof (skills [0]), (int (*)(const void *, const void *)) std::strcmp);
716 727
717 for (i = 0; i < num_skills_found; i++) 728 for (i = 0; i < num_skills_found; i++)
718 new_draw_info (NDI_UNIQUE, 0, op, skills[i]); 729 msg << " C<" << skills [i] << ">\n";
719 730
720 new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5); 731 msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
721 732
722 cp = determine_god (op); 733 cp = determine_god (op);
723 new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time"); 734 msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
724 735
725 new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n", 736 msg << "Your equipped item power is " << (int)op->contr->item_power
726 op->contr->item_power, (int) (op->level * settings.item_power_factor)); 737 << " out of " << int (op->level * settings.item_power_factor)
738 << ".\n";
739
740 pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
727} 741}
728 742
729/* use_skill() - similar to invoke command, it executes the skill in the 743/* use_skill() - similar to invoke command, it executes the skill in the
730 * direction that the user is facing. Returns false if we are unable to 744 * direction that the user is facing. Returns false if we are unable to
731 * change to the requested skill, or were unable to use the skill properly. 745 * change to the requested skill, or were unable to use the skill properly.
… …
826 * the caller should have set it appropriately). We still want to pass 840 * the caller should have set it appropriately). We still want to pass
827 * through that code if skill is set to change to the skill. 841 * through that code if skill is set to change to the skill.
828 */ 842 */
829 if (player *pl = op->contr) 843 if (player *pl = op->contr)
830 { 844 {
831 if (!pl->combat_ob) 845 if (skill)
846 op->change_skill (skill);
847 else
832 { 848 {
833 if (QUERY_FLAG (op, FLAG_READY_WEAPON))
834 {
835 for (tmp = op->inv; tmp; tmp = tmp->below)
836 if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
837 break;
838
839 if (!tmp)
840 LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
841
842 pl->combat_ob = tmp;
843 }
844
845 if (!pl->combat_ob) 849 if (!pl->combat_ob)
846 { 850 {
851 if (QUERY_FLAG (op, FLAG_READY_WEAPON))
852 {
853 for (tmp = op->inv; tmp; tmp = tmp->below)
854 if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
855 break;
856
847 if (!skill) 857 if (!tmp)
858 LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
859
860 pl->combat_ob = tmp;
861 }
862
863 if (!pl->combat_ob)
848 { 864 {
849 /* See if the players chosen skill is a combat skill, and use 865 /* See if the players chosen skill is a combat skill, and use
850 * it if appropriate. 866 * it if appropriate.
851 */ 867 */
852 if (op->chosen_skill && hth_skill_p (op->chosen_skill)) 868 if (op->chosen_skill && hth_skill_p (op->chosen_skill))
… …
856 skill = find_player_hth_skill (op); 872 skill = find_player_hth_skill (op);
857 873
858 if (!skill) 874 if (!skill)
859 new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!"); 875 new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
860 } 876 }
877
878 if (skill)
879 {
880 op->change_skill (0);
881 apply_special (op, skill, AP_APPLY);
882 }
861 } 883 }
862 884
863 if (skill) 885 if (!pl->combat_ob)
864 { 886 {
865 op->change_skill (0); 887 LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
866 apply_special (op, skill, AP_APPLY); 888 return 0;
867 } 889 }
868 } 890 }
869 891
870 if (!pl->combat_ob) 892 if (!op->change_weapon (pl->combat_ob))
871 {
872 LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
873 return 0; 893 return 0;
874 }
875 } 894 }
876
877 if (!op->change_weapon (pl->combat_ob))
878 return 0;
879 895
880 /* lose invisiblity/hiding status for running attacks */ 896 /* lose invisiblity/hiding status for running attacks */
881 if (pl->tmp_invis) 897 if (pl->tmp_invis)
882 { 898 {
883 pl->tmp_invis = 0; 899 pl->tmp_invis = 0;
… …
902 return success; 918 return success;
903} 919}
904 920
905/* skill_attack() - Core routine for use when we attack using a skills 921/* skill_attack() - Core routine for use when we attack using a skills
906 * system. In essence, this code handles 922 * system. In essence, this code handles
907 * all skill-based attacks, ie hth, missile and melee weapons should be 923 * all skill-based attacks, i.e. hth, missile and melee weapons should be
908 * treated here. If an opponent is already supplied by move_player(), 924 * treated here. If an opponent is already supplied by move_player(),
909 * we move right onto do_skill_attack(), otherwise we find if an 925 * we move right onto do_skill_attack(), otherwise we find if an
910 * appropriate opponent exists. 926 * appropriate opponent exists.
911 * 927 *
912 * This is called by move_player() and attack_hth() 928 * This is called by move_player() and attack_hth()

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