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Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.41 by root, Fri May 11 21:07:14 2007 UTC vs.
Revision 1.61 by root, Tue May 6 16:32:34 2008 UTC

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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copryight (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 author 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 */
… …
105 op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go 104 op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go
106 } 105 }
107 } 106 }
108} 107}
109 108
109static object *
110find_skill (object *who, const shstr &sh)
111{
112 for (object *tmp = who->inv; tmp; tmp = tmp->below)
113 if (tmp->skill == sh && tmp->type == SKILL)
114 return tmp;
115
116 return 0;
117}
118
110/* This returns the skill pointer of the given name (the 119/* This returns the skill pointer of the given name (the
111 * one that accumlates exp, has the level, etc). 120 * one that accumulates exp, has the level, etc).
112 * 121 *
113 * It is presumed that the player will be needing to actually 122 * It is presumed that the player will be needing to actually
114 * use the skill, so thus if use of the skill requires a skill 123 * use the skill, so thus if use of the skill requires a skill
115 * tool, this code will equip it. 124 * tool, this code will equip it.
116 */ 125 */
117object * 126object *
118find_skill_by_name (object *who, const char *name) 127find_skill_by_name (object *who, const shstr &sh)
119{ 128{
120 if (!name) 129 object *skill_tool = 0;
130
131 for (object *tmp = who->inv; tmp; tmp = tmp->below)
132 if (tmp->skill == sh)
133 {
134 if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] || tmp->flag [FLAG_APPLIED]))
135 /* If this is a skill that can be used without applying tool, return it */
136 return splay (tmp);
137 /* Try to find appropriate skilltool. If the player has one already
138 * applied, we try to keep using that one.
139 */
140 else if (tmp->type == SKILL_TOOL && !skill_tool)
141 skill_tool = tmp;
142 }
143
144 if (!skill_tool)
121 return 0; 145 return 0;
122
123 object *skill = 0, *skill_tool = 0;
124
125 /* We make sure the length of the string in the object is greater
126 * in length than the passed string. Eg, if we have a skill called
127 * 'hi', we don't want to match if the user passed 'high'
128 */
129 for (object *tmp = who->inv; tmp; tmp = tmp->below)
130 {
131 if (tmp->type == SKILL && !strncasecmp (name, tmp->skill, strlen (name)) && strlen (tmp->skill) >= strlen (name))
132 skill = tmp;
133
134 /* Try to find appropriate skilltool. If the player has one already
135 * applied, we try to keep using that one.
136 */
137 else if (tmp->type == SKILL_TOOL && !strncasecmp (name, tmp->skill, strlen (name)) && strlen (tmp->skill) >= strlen (name))
138 {
139 if (QUERY_FLAG (tmp, FLAG_APPLIED))
140 skill_tool = tmp;
141 else if (!skill_tool || !QUERY_FLAG (skill_tool, FLAG_APPLIED))
142 skill_tool = tmp;
143 }
144 }
145
146 /* If this is a skill that can be used without a tool, return it */
147 if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
148 return skill;
149 146
150 /* Player has a tool to use the skill. If not applied, apply it - 147 /* Player has a tool to use the skill. If not applied, apply it -
151 * if not successful, return null. If they do have the skill tool 148 * if not successful, return null. If they do have the skill tool
152 * but not the skill itself, give it to them. 149 * but not the skill itself, give it to them.
153 */ 150 */
154 if (skill_tool) 151 object *skill = find_skill (who, skill_tool->skill);
155 {
156 if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
157 if (apply_special (who, skill_tool, 0))
158 return 0;
159 152
160 if (!skill) 153 if (!skill)
161 { 154 {
162 skill = give_skill_by_name (who, skill_tool->skill); 155 skill = give_skill_by_name (who, skill_tool->skill);
163 link_player_skills (who); 156 link_player_skills (who);
164 } 157 }
165 158
159 if (!skill_tool->flag [FLAG_APPLIED])
160 if (apply_special (who, splay (skill_tool), AP_APPLY | AP_NO_READY))
166 return skill; 161 return 0;
167 } 162
163 return splay (skill);
164}
165
166object *
167find_skill_by_name (object *who, const char *name)
168{
169 if (!name)
170 return 0;
171
172 for (object *tmp = who->inv; tmp; tmp = tmp->below)
173 if ((tmp->type == SKILL || tmp->type == SKILL_TOOL)
174 && tmp->skill.begins_with (name))
175 if (object *skop = find_skill_by_name (who, tmp->skill))
176 return skop;
168 177
169 return 0; 178 return 0;
170} 179}
171 180
172
173/* This returns the skill pointer of the given name (the 181/* This returns the skill pointer of the given name (the
174 * one that accumlates exp, has the level, etc). 182 * one that accumulates exp, has the level, etc).
175 * 183 *
176 * It is presumed that the player will be needing to actually 184 * It is presumed that the player will be needing to actually
177 * use the skill, so thus if use of the skill requires a skill 185 * use the skill, so thus if use of the skill requires a skill
178 * tool, this code will equip it. 186 * tool, this code will equip it.
179 * 187 *
… …
182 * this replaces find_skill. 190 * this replaces find_skill.
183 */ 191 */
184object * 192object *
185find_skill_by_number (object *who, int skillno) 193find_skill_by_number (object *who, int skillno)
186{ 194{
187 object *skill = NULL, *skill_tool = NULL, *tmp;
188
189 if (skillno < 1 || skillno >= NUM_SKILLS)
190 return NULL;
191
192 for (tmp = who->inv; tmp != NULL; tmp = tmp->below) 195 for (object *tmp = who->inv; tmp; tmp = tmp->below)
193 {
194 if (tmp->type == SKILL && tmp->subtype == skillno) 196 if (tmp->type == SKILL && tmp->subtype == skillno)
195 skill = tmp; 197 if (object *skop = find_skill_by_name (who, tmp->skill))
196
197 /* Try to find appropriate skilltool. If the player has one already
198 * applied, we try to keep using that one.
199 */
200 else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)
201 {
202 if (QUERY_FLAG (tmp, FLAG_APPLIED))
203 skill_tool = tmp;
204 else if (!skill_tool || !QUERY_FLAG (skill_tool, FLAG_APPLIED))
205 skill_tool = tmp;
206 }
207 }
208 /* If this is a skill that can be used without a tool, return it */
209 if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
210 return skill;
211
212 /* Player has a tool to use the skill. IF not applied, apply it -
213 * if not successful, return null. If they do have the skill tool
214 * but not the skill itself, give it to them.
215 */
216 if (skill_tool)
217 {
218 if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
219 {
220 if (apply_special (who, skill_tool, 0))
221 return NULL;
222 }
223
224 if (!skill)
225 {
226 skill = give_skill_by_name (who, skill_tool->skill);
227 link_player_skills (who);
228 }
229
230 return skill; 198 return skop;
231 }
232 199
233 return NULL; 200 return 0;
234} 201}
235 202
236/* This changes the objects skill to new_skill. 203/* This changes the objects chosen_skill to new_skill.
237 * note that this function doesn't always need to get used -
238 * you can now add skill exp to the player without the chosen_skill being
239 * set. This function is of most interest to players to update
240 * the various range information.
241 * return 1 on success, 0 on error 204 * return 1 on success, 0 on error
242 */ 205 */
243int 206bool
244change_skill (object *who, object *new_skill, int flag) 207object::change_skill (object *new_skill)
245{ 208{
246 if (who->type != PLAYER) 209 if (type != PLAYER)
247 return 0; 210 return 0;
248 211
249 // optimise this supposedly common case 212 // optimise this supposedly common case
250 if (new_skill == who->chosen_skill) 213 if (new_skill == chosen_skill)
251 return 1; 214 return 1;
252 215
253 if (who->chosen_skill) 216 if (chosen_skill)
254 apply_special (who, who->chosen_skill, AP_UNAPPLY);
255
256 if (!new_skill)
257 {
258 LOG (llevError | logBacktrace, "change_skill called on %s with NULL skill\n",
259 who->debug_desc ());
260 return 0;
261 } 217 {
218 chosen_skill->flag [FLAG_APPLIED] = false;
219 change_abil (this, chosen_skill);
220 }
262 221
263 player *pl = who->contr; 222 chosen_skill = new_skill;
264 223
265 // move skill to front, so it will be prefered next time 224 if (chosen_skill)
266 new_skill->remove (); 225 {
267 who->insert (new_skill); 226 chosen_skill->flag [FLAG_APPLIED] = true;
227 change_abil (this, chosen_skill);
228 }
268 229
269 if (apply_special (who, new_skill, AP_APPLY)) 230 // always clear current weapon, as the selected skill could
270 return 0; 231 // conflict with the current weapon skill, which would go
232 // undetected and exp would be given to the wrong skill.
233 current_weapon = 0;
271 234
235 update_stats ();
272 return 1; 236 return 1;
273}
274
275/* This function just clears the chosen_skill and range_skill values
276 * in the player.
277 */
278void
279clear_skill (object *who)
280{
281 who->chosen_skill = 0;
282 CLEAR_FLAG (who, FLAG_READY_SKILL);
283
284 if (who->type == PLAYER)
285 if (who->contr->ranged_ob && who->contr->ranged_ob->type == SKILL)
286 who->contr->ranged_ob = 0;
287} 237}
288 238
289/* do_skill() - Main skills use function-similar in scope to cast_spell(). 239/* do_skill() - Main skills use function-similar in scope to cast_spell().
290 * We handle all requests for skill use outside of some combat here. 240 * We handle all requests for skill use outside of some combat here.
291 * We require a separate routine outside of fire() so as to allow monsters 241 * We require a separate routine outside of fire() so as to allow monsters
… …
299int 249int
300do_skill (object *op, object *part, object *skill, int dir, const char *string) 250do_skill (object *op, object *part, object *skill, int dir, const char *string)
301{ 251{
302 int success = 0, exp = 0; 252 int success = 0, exp = 0;
303 int did_alc = 0; 253 int did_alc = 0;
304 object *tmp, *next;
305 254
306 if (!skill) 255 if (!skill)
307 return 0; 256 return 0;
308 257
309 /* The code below presumes that the skill points to the object that 258 /* The code below presumes that the skill points to the object that
… …
311 * go and try to find the actual real skill pointer, and if the 260 * go and try to find the actual real skill pointer, and if the
312 * the player doesn't have a bucket for that, create one. 261 * the player doesn't have a bucket for that, create one.
313 */ 262 */
314 if (skill->type != SKILL && op->type == PLAYER) 263 if (skill->type != SKILL && op->type == PLAYER)
315 { 264 {
316 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 265 for (object *tmp = op->inv; tmp; tmp = tmp->below)
317 if (tmp->type == SKILL && tmp->skill == skill->skill) 266 if (tmp->type == SKILL && tmp->skill == skill->skill)
318 break; 267 {
268 skill = tmp;
269 goto found;
270 }
319 271
320 if (!tmp)
321 tmp = give_skill_by_name (op, skill->skill); 272 skill = give_skill_by_name (op, skill->skill);
322 273found: ;
323 skill = tmp;
324 } 274 }
325 275
326 // skill, by_whom, on_which_object, which direction, skill_argument 276 // skill, by_whom, on_which_object, which direction, skill_argument
327 if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string))) 277 if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))
328 return 0; 278 return 0;
… …
341 new_draw_info (NDI_UNIQUE, 0, op, "You come to earth."); 291 new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
342 } 292 }
343 else 293 else
344 { 294 {
345 SET_FLAG (skill, FLAG_APPLIED); 295 SET_FLAG (skill, FLAG_APPLIED);
346 new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!."); 296 new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
347 } 297 }
348 298
349 op->update_stats (); 299 op->update_stats ();
350 success = 1; 300 success = 1;
351 break; 301 break;
… …
433 case SK_LITERACY: 383 case SK_LITERACY:
434 case SK_WOODSMAN: 384 case SK_WOODSMAN:
435 /* first, we try to find a cauldron, and do the alchemy thing. 385 /* first, we try to find a cauldron, and do the alchemy thing.
436 * failing that, we go and identify stuff. 386 * failing that, we go and identify stuff.
437 */ 387 */
438 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = next) 388 for (object *next, *tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
439 { 389 {
440 next = tmp->above; 390 next = tmp->above;
441 391
442 if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON)) 392 if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))
443 { 393 {
… …
504 * If certain skills should take more/less time, that should be 454 * If certain skills should take more/less time, that should be
505 * in the code for the skill itself. 455 * in the code for the skill itself.
506 */ 456 */
507 457
508 if (op->type == PLAYER) 458 if (op->type == PLAYER)
509 op->speed_left -= 1.0; 459 op->speed_left -= 1.f;
510 460
511 /* this is a good place to add experience for successfull use of skills. 461 /* this is a good place to add experience for successfull use of skills.
512 * Note that add_exp() will figure out player/monster experience 462 * Note that add_exp() will figure out player/monster experience
513 * gain problems. 463 * gain problems.
514 */ 464 */
… …
560 * If an object is not alive and magical we set the base exp higher to 510 * If an object is not alive and magical we set the base exp higher to
561 * help out exp awards for skill_ident skills. Also, if 511 * help out exp awards for skill_ident skills. Also, if
562 * an item is type RUNE, we give out exp based on stats.Cha 512 * an item is type RUNE, we give out exp based on stats.Cha
563 * and level (this was the old system) -b.t. 513 * and level (this was the old system) -b.t.
564 */ 514 */
565
566 if (!op) 515 if (!op)
567 { /* no item/creature */ 516 { /* no item/creature */
568 op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty; 517 op_lvl = max (1, who->map->difficulty);
569 op_exp = 0; 518 op_exp = 0;
570 } 519 }
571 else if (op->type == RUNE || op->type == TRAP) 520 else if (op->type == RUNE || op->type == TRAP)
572 { /* all traps. If stats.Cha > 1 we use that 521 { /* all traps. If stats.Cha > 1 we use that
573 * for the amount of experience */ 522 * for the amount of experience */
… …
577 else 526 else
578 { /* all other items/living creatures */ 527 { /* all other items/living creatures */
579 op_exp = op->stats.exp; 528 op_exp = op->stats.exp;
580 op_lvl = op->level; 529 op_lvl = op->level;
581 if (!QUERY_FLAG (op, FLAG_ALIVE)) 530 if (!QUERY_FLAG (op, FLAG_ALIVE))
582 { /* for ident/make items */ 531 op_lvl += 5 * abs (op->magic); /* for ident/make items */
583 op_lvl += 5 * abs (op->magic);
584 }
585 } 532 }
586 533
587 if (op_lvl < 1) 534 if (op_lvl < 1)
588 op_lvl = 1; 535 op_lvl = 1;
589 536
… …
597 /* if skill really is a skill, then we can look at the skill archetype for 544 /* if skill really is a skill, then we can look at the skill archetype for
598 * bse reward value (exp) and level multiplier factor. 545 * bse reward value (exp) and level multiplier factor.
599 */ 546 */
600 if (skill->type == SKILL) 547 if (skill->type == SKILL)
601 { 548 {
602 base += skill->arch->clone.stats.exp; 549 base += skill->arch->stats.exp;
603 if (settings.simple_exp) 550 if (settings.simple_exp)
604 { 551 {
605 if (skill->arch->clone.level) 552 if (skill->arch->level)
606 lvl_mult = (float) skill->arch->clone.level / 100.0; 553 lvl_mult = (float) skill->arch->level / 100.0;
607 else 554 else
608 lvl_mult = 1.0; /* no adjustment */ 555 lvl_mult = 1.0; /* no adjustment */
609 } 556 }
610 else 557 else
611 { 558 {
612 if (skill->level) 559 if (skill->level)
613 lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0); 560 lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
614 else 561 else
615 lvl_mult = 1.0; 562 lvl_mult = 1.0;
616 } 563 }
617 } 564 }
618 else 565 else
619 { 566 {
620 /* Don't divide by zero here! */ 567 /* Don't divide by zero here! */
621 lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1); 568 lvl_mult = (float) op_lvl / (float) max (1, skill->level);
622 } 569 }
623 } 570 }
624 571
625 /* assemble the exp total, and return value */ 572 /* assemble the exp total, and return value */
626 573
… …
643 * player learns the skill, 2 otherwise. 590 * player learns the skill, 2 otherwise.
644 */ 591 */
645int 592int
646learn_skill (object *pl, object *scroll) 593learn_skill (object *pl, object *scroll)
647{ 594{
648 object *tmp;
649
650 if (!scroll->skill) 595 if (!scroll->skill)
651 { 596 {
652 LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name); 597 LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
653 return 2; 598 return 2;
654 } 599 }
655 600
656 /* can't use find_skill_by_name because we want skills the player knows 601 object *tmp = find_skill (pl, scroll->skill);
657 * but can't use natively.
658 */
659
660 for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
661 if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
662 break;
663 602
664 /* player already knows it */ 603 /* player already knows it */
665 if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL)) 604 if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
666 return 0; 605 return 0;
667 606
… …
714 * Note this function is a bit more complicated becauase we 653 * Note this function is a bit more complicated becauase we
715 * we want ot sort the skills before printing them. If we 654 * we want ot sort the skills before printing them. If we
716 * just dumped this as we found it, this would be a bit 655 * just dumped this as we found it, this would be a bit
717 * simpler. 656 * simpler.
718 */ 657 */
719 658//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
720void 659void
721show_skills (object *op, const char *search) 660show_skills (object *op, const char *search)
722{ 661{
723 object *tmp = NULL; 662 object *tmp = NULL;
724 char buf[MAX_BUF]; 663 char buf[MAX_BUF];
… …
726 int i, num_skills_found = 0; 665 int i, num_skills_found = 0;
727 static const char *const periods = "........................................"; 666 static const char *const periods = "........................................";
728 667
729 /* Need to have a pointer and use strdup for qsort to work properly */ 668 /* Need to have a pointer and use strdup for qsort to work properly */
730 char skills[NUM_SKILLS][MAX_BUF]; 669 char skills[NUM_SKILLS][MAX_BUF];
731
732 670
733 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 671 for (tmp = op->inv; tmp != NULL; tmp = tmp->below)
734 { 672 {
735 if (tmp->type == SKILL) 673 if (tmp->type == SKILL)
736 { 674 {
… …
739 /* Basically want to fill this out to 40 spaces with periods */ 677 /* Basically want to fill this out to 40 spaces with periods */
740 sprintf (buf, "%s%s", &tmp->name, periods); 678 sprintf (buf, "%s%s", &tmp->name, periods);
741 buf[40] = 0; 679 buf[40] = 0;
742 680
743 if (settings.permanent_exp_ratio) 681 if (settings.permanent_exp_ratio)
744 {
745 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)", 682 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
746 buf, tmp->level, tmp->stats.exp, 683 buf, tmp->level, tmp->stats.exp,
747 level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp)); 684 level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
748 }
749 else 685 else
750 {
751 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")", 686 sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
752 buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul)); 687 buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
753 } 688
754 /* I don't know why some characters get a bunch of skills, but 689 /* I don't know why some characters get a bunch of skills, but
755 * it sometimes happens (maybe a leftover from bugier earlier code 690 * it sometimes happens (maybe a leftover from bugier earlier code
756 * and those character are still about). In any case, lets handle 691 * and those character are still about). In any case, lets handle
757 * it so it doesn't crash the server - otherwise, one character may 692 * it so it doesn't crash the server - otherwise, one character may
758 * crash the server numerous times. 693 * crash the server numerous times.
… …
764 break; 699 break;
765 } 700 }
766 } 701 }
767 } 702 }
768 703
769 clear_win_info (op);
770 new_draw_info (NDI_UNIQUE, 0, op, "Player skills:"); 704 new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");
771 if (num_skills_found > 1) 705 if (num_skills_found > 1)
772 qsort (skills, num_skills_found, MAX_BUF, (int (*)(const void *, const void *)) std::strcmp); 706 qsort (skills, num_skills_found, MAX_BUF, (int (*)(const void *, const void *)) std::strcmp);
773 707
774 for (i = 0; i < num_skills_found; i++) 708 for (i = 0; i < num_skills_found; i++)
… …
796 size_t len; 730 size_t len;
797 731
798 if (!string) 732 if (!string)
799 return 0; 733 return 0;
800 734
801 for (skop = op->inv; skop != NULL; skop = skop->below) 735 for (skop = op->inv; skop; skop = skop->below)
802 { 736 {
737 if (skop->type == SKILL
803 if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) && 738 && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL)
804 !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill)))) 739 && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
805 break; 740 break;
741 else if (skop->type == SKILL_TOOL
806 else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill)))) 742 && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
807 break; 743 break;
808 } 744 }
745
809 if (!skop) 746 if (!skop)
810 { 747 {
811 new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string); 748 new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);
812 return 0; 749 return 0;
813 } 750 }
… …
818 * options given to the skill. Its pretty simple - if there 755 * options given to the skill. Its pretty simple - if there
819 * are extra parameters (as deteremined by string length), we 756 * are extra parameters (as deteremined by string length), we
820 * want to skip over any leading spaces. 757 * want to skip over any leading spaces.
821 */ 758 */
822 if (len >= strlen (string)) 759 if (len >= strlen (string))
823 {
824 string = NULL; 760 string = NULL;
825 }
826 else 761 else
827 { 762 {
828 string += len; 763 string += len;
829 while (*string == 0x20) 764 while (*string == 0x20)
830 string++; 765 string++;
766
831 if (strlen (string) == 0) 767 if (strlen (string) == 0)
832 string = NULL; 768 string = NULL;
833 } 769 }
834 770
835#ifdef SKILL_UTIL_DEBUG 771#ifdef SKILL_UTIL_DEBUG
836 LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none"); 772 LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
837#endif 773#endif
838 774
839 /* Change to the new skill, then execute it. */
840 if (do_skill (op, op, skop, op->facing, string)) 775 if (do_skill (op, op, skop, op->facing, string))
841 return 1; 776 return 1;
842 777
843 return 0; 778 return 0;
844} 779}
… …
891 for (tmp = op->inv; tmp; tmp = tmp->below) 826 for (tmp = op->inv; tmp; tmp = tmp->below)
892 if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED)) 827 if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
893 break; 828 break;
894 829
895 if (!tmp) 830 if (!tmp)
896 {
897 LOG (llevError, "Could not find applied weapon on %s\n", &op->name); 831 LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
898 return 0;
899 }
900 832
901 change_skill (op, find_skill_by_name (op, tmp->skill), 1); 833 pl->combat_ob = tmp;
902 } 834 }
903 else 835
836 if (!pl->combat_ob)
904 { 837 {
905 if (!skill) 838 if (!skill)
906 { 839 {
907 /* See if the players chosen skill is a combat skill, and use 840 /* See if the players chosen skill is a combat skill, and use
908 * it if appropriate. 841 * it if appropriate.
… …
912 else 845 else
913 { 846 {
914 skill = find_player_hth_skill (op); 847 skill = find_player_hth_skill (op);
915 848
916 if (!skill) 849 if (!skill)
917 {
918 new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!"); 850 new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
919 return 0;
920 }
921 } 851 }
922 } 852 }
923 853
924 /* now try to ready the new skill */ 854 if (skill)
925 if (!change_skill (op, skill, 0)) 855 {
926 { /* oh oh, trouble! */ 856 op->change_skill (0);
927 new_draw_info_format (NDI_UNIQUE, 0, op, "Couldn't change to skill %s", &skill->name); 857 apply_special (op, skill, AP_APPLY);
928 return 0;
929 } 858 }
930 } 859 }
931 860
932 if (!pl->combat_ob) 861 if (!pl->combat_ob)
933 { 862 {
934 LOG (llevError, "Could not find anything to attack on %s\n", &op->name); 863 LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
935 return 0; 864 return 0;
936 } 865 }
937 } 866 }
938 867
939 op->set_weapon (pl->combat_ob); 868 if (!op->change_weapon (pl->combat_ob))
869 return 0;
940 870
941 /* lose invisiblity/hiding status for running attacks */ 871 /* lose invisiblity/hiding status for running attacks */
942 if (pl->tmp_invis) 872 if (pl->tmp_invis)
943 { 873 {
944 pl->tmp_invis = 0; 874 pl->tmp_invis = 0;
… …
1078 1008
1079 return 0; 1009 return 0;
1080 } 1010 }
1081 1011
1082 return skill_attack (NULL, op, dir, string, skill); 1012 return skill_attack (NULL, op, dir, string, skill);
1083
1084} 1013}
1014

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