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Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.61 by root, Tue May 6 16:32:34 2008 UTC vs.
Revision 1.75 by elmex, Sun Jan 4 20:23:07 2009 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
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
… …
84 * up the last_skills[] array in the player object. 84 * up the last_skills[] array in the player object.
85 * the last_skills[] is used to more quickly lookup skills - 85 * the last_skills[] is used to more quickly lookup skills -
86 * mostly used for sending exp. 86 * mostly used for sending exp.
87 */ 87 */
88void 88void
89link_player_skills (object *op) 89player::link_skills ()
90{ 90{
91 for (int i = 0; i < NUM_SKILLS; ++i)
92 last_skill_ob [i] = 0;
93
91 for (object *tmp = op->inv; tmp; tmp = tmp->below) 94 for (object *tmp = ob->inv; tmp; tmp = tmp->below)
92 if (tmp->type == SKILL) 95 if (tmp->type == SKILL)
93 { 96 {
94 /* This is really a warning, hence no else below */ 97 assert (IN_RANGE_EXC (tmp->subtype, 0, NUM_SKILLS));
95 if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)
96 LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
97 &op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);
98 98
99 if (tmp->subtype >= NUM_SKILLS) 99 if (last_skill_ob [tmp->subtype] != tmp)
100 LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);
101 else
102 { 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
103 op->contr->last_skill_ob[tmp->subtype] = tmp; 106 last_skill_ob [tmp->subtype] = tmp;
104 op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go 107 if (ns)
108 ns->last_skill_exp [tmp->subtype] = -1;
105 } 109 }
106 } 110 }
107} 111}
108 112
109static object * 113static object *
110find_skill (object *who, const shstr &sh) 114find_skill (object *who, shstr_cmp name)
111{ 115{
116 if (who->chosen_skill
117 && who->chosen_skill->skill == name
118 && who->chosen_skill->type == SKILL)
119 return who->chosen_skill;
120
112 for (object *tmp = who->inv; tmp; tmp = tmp->below) 121 for (object *tmp = who->inv; tmp; tmp = tmp->below)
113 if (tmp->skill == sh && tmp->type == SKILL) 122 if (tmp->skill == name && tmp->type == SKILL)
114 return tmp; 123 return splay (tmp);
115 124
116 return 0; 125 return 0;
126}
127
128object *player::find_skill (shstr_cmp name) const
129{
130 // might want to use last_skill_obj at one point, or maybe not
131 return ::find_skill (ob, name);
117} 132}
118 133
119/* This returns the skill pointer of the given name (the 134/* This returns the skill pointer of the given name (the
120 * one that accumulates exp, has the level, etc). 135 * one that accumulates exp, has the level, etc).
121 * 136 *
122 * It is presumed that the player will be needing to actually 137 * It is presumed that the player will be needing to actually
123 * use the skill, so thus if use of the skill requires a skill 138 * use the skill, so thus if use of the skill requires a skill
124 * tool, this code will equip it. 139 * tool, this code will equip it.
125 */ 140 */
126object * 141object *
127find_skill_by_name (object *who, const shstr &sh) 142find_skill_by_name (object *who, shstr_cmp sh)
128{ 143{
129 object *skill_tool = 0; 144 object *skill_tool = 0;
130 145
131 for (object *tmp = who->inv; tmp; tmp = tmp->below) 146 for (object *tmp = who->inv; tmp; tmp = tmp->below)
132 if (tmp->skill == sh) 147 if (tmp->skill == sh)
… …
149 * but not the skill itself, give it to them. 164 * but not the skill itself, give it to them.
150 */ 165 */
151 object *skill = find_skill (who, skill_tool->skill); 166 object *skill = find_skill (who, skill_tool->skill);
152 167
153 if (!skill) 168 if (!skill)
154 {
155 skill = give_skill_by_name (who, skill_tool->skill); 169 skill = give_skill_by_name (who, skill_tool->skill);
156 link_player_skills (who);
157 }
158 170
159 if (!skill_tool->flag [FLAG_APPLIED]) 171 if (!skill_tool->flag [FLAG_APPLIED])
160 if (apply_special (who, splay (skill_tool), AP_APPLY | AP_NO_READY)) 172 if (apply_special (who, splay (skill_tool), AP_APPLY | AP_NO_READY))
161 return 0; 173 return 0;
162 174
163 return splay (skill); 175 return splay (skill);
164} 176}
165 177
166object * 178object *
167find_skill_by_name (object *who, const char *name) 179find_skill_by_name_fuzzy (object *who, const char *name)
168{ 180{
169 if (!name) 181 if (!name)
170 return 0; 182 return 0;
171 183
172 for (object *tmp = who->inv; tmp; tmp = tmp->below) 184 for (object *tmp = who->inv; tmp; tmp = tmp->below)
173 if ((tmp->type == SKILL || tmp->type == SKILL_TOOL) 185 if ((tmp->type == SKILL || tmp->type == SKILL_TOOL)
174 && tmp->skill.begins_with (name)) 186 && tmp->skill.starts_with (name))
175 if (object *skop = find_skill_by_name (who, tmp->skill)) 187 if (object *skop = find_skill_by_name (who, tmp->skill))
176 return skop; 188 return skop;
177 189
178 return 0; 190 return 0;
179} 191}
… …
248 */ 260 */
249int 261int
250do_skill (object *op, object *part, object *skill, int dir, const char *string) 262do_skill (object *op, object *part, object *skill, int dir, const char *string)
251{ 263{
252 int success = 0, exp = 0; 264 int success = 0, exp = 0;
253 int did_alc = 0;
254 265
255 if (!skill) 266 if (!skill)
256 return 0; 267 return 0;
257 268
258 /* The code below presumes that the skill points to the object that 269 /* The code below presumes that the skill points to the object that
… …
311 case SK_HIDING: 322 case SK_HIDING:
312 exp = success = hide (op, skill); 323 exp = success = hide (op, skill);
313 break; 324 break;
314 325
315 case SK_JUMPING: 326 case SK_JUMPING:
316 success = jump (op, dir, skill); 327 exp = success = jump (op, dir, skill);
317 break; 328 break;
318 329
319 case SK_INSCRIPTION: 330 case SK_INSCRIPTION:
320 exp = success = write_on_item (op, string, skill); 331 exp = success = write_on_item (op, string, skill);
321 break; 332 break;
… …
383 case SK_LITERACY: 394 case SK_LITERACY:
384 case SK_WOODSMAN: 395 case SK_WOODSMAN:
385 /* first, we try to find a cauldron, and do the alchemy thing. 396 /* first, we try to find a cauldron, and do the alchemy thing.
386 * failing that, we go and identify stuff. 397 * failing that, we go and identify stuff.
387 */ 398 */
399 {
400 bool found_cauldron = false;
401
388 for (object *next, *tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next) 402 for (object *next, *tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
389 { 403 {
390 next = tmp->above; 404 next = tmp->above;
391 405
392 if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON)) 406 if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))
393 { 407 {
408 found_cauldron = true;
409
410 if (tmp->skill != skill->skill)
411 {
412 op->failmsg (format ("You can't use the %s with the %s skill!",
413 query_name (tmp),
414 query_name (skill)));
415 break;
416 }
417
394 attempt_do_alchemy (op, tmp); 418 attempt_do_alchemy (op, tmp, skill);
395 419
396 if (QUERY_FLAG (tmp, FLAG_APPLIED)) 420 if (QUERY_FLAG (tmp, FLAG_APPLIED))
397 esrv_send_inventory (op, tmp); 421 esrv_send_inventory (op, tmp);
398
399 did_alc = 1;
400 } 422 }
401 } 423 }
402 424
403 if (did_alc == 0) 425 if (!found_cauldron)
404 exp = success = skill_ident (op, skill); 426 exp = success = skill_ident (op, skill);
405 427 }
406 break; 428 break;
407 429
408 case SK_DET_MAGIC: 430 case SK_DET_MAGIC:
409 case SK_DET_CURSE: 431 case SK_DET_CURSE:
410 exp = success = skill_ident (op, skill); 432 exp = success = skill_ident (op, skill);
… …
452 * Monsters have no skill use time because of the random nature in 474 * Monsters have no skill use time because of the random nature in
453 * which use_monster_skill is called already simulates this. 475 * which use_monster_skill is called already simulates this.
454 * If certain skills should take more/less time, that should be 476 * If certain skills should take more/less time, that should be
455 * in the code for the skill itself. 477 * in the code for the skill itself.
456 */ 478 */
457
458 if (op->type == PLAYER) 479 if (op->type == PLAYER)
459 op->speed_left -= 1.f; 480 op->speed_left -= 1.f;
460 481
461 /* this is a good place to add experience for successfull use of skills. 482 /* this is a good place to add experience for successfull use of skills.
462 * Note that add_exp() will figure out player/monster experience 483 * Note that add_exp() will figure out player/monster experience
… …
619 LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill); 640 LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
620 return 2; 641 return 2;
621 } 642 }
622 643
623 SET_FLAG (tmp, FLAG_CAN_USE_SKILL); 644 SET_FLAG (tmp, FLAG_CAN_USE_SKILL);
624 link_player_skills (pl); 645
625 return 1; 646 return 1;
626} 647}
627 648
628/* Gives a percentage clipped to 0% -> 100% of a/b. */ 649/* Gives a percentage clipped to 0% -> 100% of a/b. */
629/* Probably belongs in some global utils-type file? */ 650/* Probably belongs in some global utils-type file? */
… …
655 * just dumped this as we found it, this would be a bit 676 * just dumped this as we found it, this would be a bit
656 * simpler. 677 * simpler.
657 */ 678 */
658//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo. 679//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
659void 680void
660show_skills (object *op, const char *search) 681show_skills (object *pl, const char *search)
661{ 682{
662 object *tmp = NULL;
663 char buf[MAX_BUF];
664 const char *cp; 683 const char *cp;
665 int i, num_skills_found = 0; 684 int i, num_skills_found = 0;
666 static const char *const periods = "........................................"; 685 const char *const periods = ".............................."; // 30
667 686
668 /* Need to have a pointer and use strdup for qsort to work properly */ 687 /* Need to have a pointer and use strdup for qsort to work properly */
669 char skills[NUM_SKILLS][MAX_BUF]; 688 char skills[NUM_SKILLS][128]; // d'oh
670 689
690 object *op = pl->contr->ob;
691
671 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 692 for (object *tmp = op->inv; tmp; tmp = tmp->below)
672 { 693 {
673 if (tmp->type == SKILL) 694 if (tmp->type == SKILL)
674 { 695 {
675 if (search && strstr (tmp->name, search) == NULL) 696 if (search && !tmp->name.contains (search))
676 continue; 697 continue;
698
699 char buf[30];
700
677 /* Basically want to fill this out to 40 spaces with periods */ 701 /* Basically want to fill this out to 30 spaces with periods */
678 sprintf (buf, "%s%s", &tmp->name, periods); 702 snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
679 buf[40] = 0;
680 703
681 if (settings.permanent_exp_ratio) 704 if (settings.permanent_exp_ratio)
682 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)", 705 snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
683 buf, tmp->level, tmp->stats.exp, 706 buf, tmp->level, tmp->stats.exp,
684 level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp)); 707 level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
685 else 708 else
686 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")", 709 snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
687 buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul)); 710 buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
688 711
689 /* I don't know why some characters get a bunch of skills, but 712 /* I don't know why some characters get a bunch of skills, but
690 * it sometimes happens (maybe a leftover from bugier earlier code 713 * it sometimes happens (maybe a leftover from bugier earlier code
691 * and those character are still about). In any case, lets handle 714 * and those character are still about). In any case, lets handle
692 * it so it doesn't crash the server - otherwise, one character may 715 * it so it doesn't crash the server - otherwise, one character may
… …
699 break; 722 break;
700 } 723 }
701 } 724 }
702 } 725 }
703 726
704 new_draw_info (NDI_UNIQUE, 0, op, "Player skills:"); 727 dynbuf_text msg (4096, 1024);
728
729 msg << "T<Player skills:>\n\n";
705 if (num_skills_found > 1) 730 if (num_skills_found > 1)
706 qsort (skills, num_skills_found, MAX_BUF, (int (*)(const void *, const void *)) std::strcmp); 731 qsort (skills, num_skills_found, sizeof (skills [0]), (int (*)(const void *, const void *)) std::strcmp);
707 732
708 for (i = 0; i < num_skills_found; i++) 733 for (i = 0; i < num_skills_found; i++)
709 new_draw_info (NDI_UNIQUE, 0, op, skills[i]); 734 msg << " C<" << skills [i] << ">\n";
710 735
711 new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5); 736 msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
712 737
713 cp = determine_god (op); 738 cp = determine_god (op);
714 new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time"); 739 msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
715 740
716 new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n", 741 msg << "Your equipped item power is " << (int)op->contr->item_power
717 op->contr->item_power, (int) (op->level * settings.item_power_factor)); 742 << " out of " << int (op->level * settings.item_power_factor)
743 << ".\n";
744
745 pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
718} 746}
719 747
720/* use_skill() - similar to invoke command, it executes the skill in the 748/* use_skill() - similar to invoke command, it executes the skill in the
721 * direction that the user is facing. Returns false if we are unable to 749 * direction that the user is facing. Returns false if we are unable to
722 * change to the requested skill, or were unable to use the skill properly. 750 * change to the requested skill, or were unable to use the skill properly.
… …
817 * the caller should have set it appropriately). We still want to pass 845 * the caller should have set it appropriately). We still want to pass
818 * through that code if skill is set to change to the skill. 846 * through that code if skill is set to change to the skill.
819 */ 847 */
820 if (player *pl = op->contr) 848 if (player *pl = op->contr)
821 { 849 {
822 if (!pl->combat_ob) 850 if (skill)
851 op->change_skill (skill);
852 else
823 { 853 {
824 if (QUERY_FLAG (op, FLAG_READY_WEAPON))
825 {
826 for (tmp = op->inv; tmp; tmp = tmp->below)
827 if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
828 break;
829
830 if (!tmp)
831 LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
832
833 pl->combat_ob = tmp;
834 }
835
836 if (!pl->combat_ob) 854 if (!pl->combat_ob)
837 { 855 {
856 if (QUERY_FLAG (op, FLAG_READY_WEAPON))
857 {
858 for (tmp = op->inv; tmp; tmp = tmp->below)
859 if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
860 break;
861
838 if (!skill) 862 if (!tmp)
863 LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
864
865 pl->combat_ob = tmp;
866 }
867
868 if (!pl->combat_ob)
839 { 869 {
840 /* See if the players chosen skill is a combat skill, and use 870 /* See if the players chosen skill is a combat skill, and use
841 * it if appropriate. 871 * it if appropriate.
842 */ 872 */
843 if (op->chosen_skill && hth_skill_p (op->chosen_skill)) 873 if (op->chosen_skill && hth_skill_p (op->chosen_skill))
… …
847 skill = find_player_hth_skill (op); 877 skill = find_player_hth_skill (op);
848 878
849 if (!skill) 879 if (!skill)
850 new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!"); 880 new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
851 } 881 }
882
883 if (skill)
884 {
885 op->change_skill (0);
886 apply_special (op, skill, AP_APPLY);
887 }
852 } 888 }
853 889
854 if (skill) 890 if (!pl->combat_ob)
855 { 891 {
856 op->change_skill (0); 892 LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
857 apply_special (op, skill, AP_APPLY); 893 return 0;
858 } 894 }
859 } 895 }
860 896
861 if (!pl->combat_ob) 897 if (!op->change_weapon (pl->combat_ob))
862 {
863 LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
864 return 0; 898 return 0;
865 }
866 } 899 }
867
868 if (!op->change_weapon (pl->combat_ob))
869 return 0;
870 900
871 /* lose invisiblity/hiding status for running attacks */ 901 /* lose invisiblity/hiding status for running attacks */
872 if (pl->tmp_invis) 902 if (pl->tmp_invis)
873 { 903 {
874 pl->tmp_invis = 0; 904 pl->tmp_invis = 0;
875 op->invisible = 0; 905 op->invisible = 0;
876 op->hide = 0; 906 op->flag [FLAG_HIDDEN] = 0;
877 update_object (op, UP_OBJ_CHANGE); 907 update_object (op, UP_OBJ_CHANGE);
878 } 908 }
879 } 909 }
880 910
881 int success = attack_ob (tmp, op); 911 int success = attack_ob (tmp, op);
… …
893 return success; 923 return success;
894} 924}
895 925
896/* skill_attack() - Core routine for use when we attack using a skills 926/* skill_attack() - Core routine for use when we attack using a skills
897 * system. In essence, this code handles 927 * system. In essence, this code handles
898 * all skill-based attacks, ie hth, missile and melee weapons should be 928 * all skill-based attacks, i.e. hth, missile and melee weapons should be
899 * treated here. If an opponent is already supplied by move_player(), 929 * treated here. If an opponent is already supplied by move_player(),
900 * we move right onto do_skill_attack(), otherwise we find if an 930 * we move right onto do_skill_attack(), otherwise we find if an
901 * appropriate opponent exists. 931 * appropriate opponent exists.
902 * 932 *
903 * This is called by move_player() and attack_hth() 933 * This is called by move_player() and attack_hth()

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