[ViewVC] Diff of: cvs/deliantra/server/server/skill

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.43 by root, Sat May 12 13:27:38 2007 UTC vs.
Revision 1.94 by root, Sun Apr 11 00:34:06 2010 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 (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copryight (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 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 it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your 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 GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The author can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Created July 95 to separate skill utilities from actual skills -b.t. */	25	/* Created July 95 to separate skill utilities from actual skills -b.t. */
26		26
27	/* Reconfigured skills code to allow linking of skills to experience	27	/* Reconfigured skills code to allow linking of skills to experience
59	/* init_skills basically just sets up the skill_names table	59	/* init_skills basically just sets up the skill_names table
60	* above. The index into the array is set up by the	60	* above. The index into the array is set up by the
61	* subtypes.	61	* subtypes.
62	*/	62	*/
63	void	63	void
64	init_skills (void)	64	init_skills ()
65	{	65	{
66	for (archetype *at = first_archetype; at; at = at->next)	66	for_all_archetypes (at)
67	if (at->clone.type == SKILL)	67	if (at->type == SKILL)
68	{	68	{
69	if (skill_names[at->clone.subtype])	69	if (skill_names[at->subtype])
70	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",	70	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);	71	at->subtype, &skill_names[at->subtype], &at->skill);
72	else	72	else
73	skill_names[at->clone.subtype] = at->clone.skill;	73	skill_names[at->subtype] = at->skill;
74	}	74	}
75		75
76	/* This isn't really an error if there is no skill subtype set, but	76	/* This isn't really an error if there is no skill subtype set, but
77	* checking for this may catch some user errors.	77	* checking for this may catch some user errors.
78	*/	78	*/
…		…
85	* up the last_skills[] array in the player object.	85	* up the last_skills[] array in the player object.
86	* the last_skills[] is used to more quickly lookup skills -	86	* the last_skills[] is used to more quickly lookup skills -
87	* mostly used for sending exp.	87	* mostly used for sending exp.
88	*/	88	*/
89	void	89	void
90	link_player_skills (object *op)	90	player::link_skills ()
91	{	91	{
		92	for (int i = 0; i < NUM_SKILLS; ++i)
		93	last_skill_ob [i] = 0;
		94
92	for (object *tmp = op->inv; tmp; tmp = tmp->below)	95	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
93	if (tmp->type == SKILL)	96	if (tmp->type == SKILL)
94	{	97	{
95	/* This is really a warning, hence no else below */	98	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		99
100	if (tmp->subtype >= NUM_SKILLS)	100	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	{	101	{
		102	/* This is really a warning, hence no else below */
		103	if (last_skill_ob [tmp->subtype])
		104	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
		105	&last_skill_ob [tmp->subtype]->skill, &tmp->skill);
		106
104	op->contr->last_skill_ob[tmp->subtype] = tmp;	107	last_skill_ob [tmp->subtype] = tmp;
105	op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go	108	if (ns)
		109	ns->last_skill_exp [tmp->subtype] = -1;
106	}	110	}
107	}	111	}
108	}	112	}
109		113
		114	static object *
		115	find_skill (object *who, shstr_cmp name)
		116	{
		117	if (who->chosen_skill
		118	&& who->chosen_skill->skill == name
		119	&& who->chosen_skill->type == SKILL)
		120	return who->chosen_skill;
		121
		122	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		123	if (tmp->skill == name && tmp->type == SKILL)
		124	return splay (tmp);
		125
		126	return 0;
		127	}
		128
		129	object *player::find_skill (shstr_cmp name) const
		130	{
		131	// might want to use last_skill_obj at one point, or maybe not
		132	return ::find_skill (ob, name);
		133	}
		134
110	/* This returns the skill pointer of the given name (the	135	/* This returns the skill pointer of the given name (the
111	* one that accumlates exp, has the level, etc).	136	* one that accumulates exp, has the level, etc).
112	*	137	*
113	* It is presumed that the player will be needing to actually	138	* 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	139	* use the skill, so thus if use of the skill requires a skill
115	* tool, this code will equip it.	140	* tool, this code will equip it.
116	*/	141	*/
117	object *	142	object *
118	find_skill_by_name (object who, const char name)	143	find_skill_by_name (object *who, shstr_cmp sh)
119	{	144	{
120	if (!name)	145	object *skill_tool = 0;
		146
		147	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		148	if (tmp->skill == sh)
		149	{
		150	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))
		151	/* If this is a skill that can be used without applying tool, return it */
		152	return splay (tmp);
		153	/* Try to find appropriate skilltool. If the player has one already
		154	* applied, we try to keep using that one.
		155	*/
		156	else if (tmp->type == SKILL_TOOL && !skill_tool)
		157	skill_tool = tmp;
		158	}
		159
		160	if (!skill_tool)
121	return 0;	161	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		162
150	/* Player has a tool to use the skill. If not applied, apply it -	163	/* 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	164	* if not successful, return null. If they do have the skill tool
152	* but not the skill itself, give it to them.	165	* but not the skill itself, give it to them.
153	*/	166	*/
154	if (skill_tool)	167	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		168
160	if (!skill)	169	if (!skill)
161	{
162	skill = give_skill_by_name (who, skill_tool->skill);	170	skill = give_skill_by_name (who, skill_tool->skill);
163	link_player_skills (who);
164	}
165		171
		172	if (!skill_tool->flag [FLAG_APPLIED])
		173	if (!who->apply (splay (skill_tool)))
166	return skill;	174	return 0;
167	}	175
		176	return splay (skill);
		177	}
		178
		179	object *
		180	find_skill_by_name_fuzzy (object who, const char name)
		181	{
		182	if (name)
		183	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		184	if ((tmp->type == SKILL \|\| tmp->type == SKILL_TOOL)
		185	&& tmp->skill.starts_with (name))
		186	if (object *skop = find_skill_by_name (who, tmp->skill))
		187	return skop;
168		188
169	return 0;	189	return 0;
170	}	190	}
171		191
172	/* This returns the skill pointer of the given name (the	192	/* This returns the skill pointer of the given name (the
173	* one that accumlates exp, has the level, etc).	193	* one that accumulates exp, has the level, etc).
174	*	194	*
175	* It is presumed that the player will be needing to actually	195	* It is presumed that the player will be needing to actually
176	* use the skill, so thus if use of the skill requires a skill	196	* use the skill, so thus if use of the skill requires a skill
177	* tool, this code will equip it.	197	* tool, this code will equip it.
178	*	198	*
…		…
181	* this replaces find_skill.	201	* this replaces find_skill.
182	*/	202	*/
183	object *	203	object *
184	find_skill_by_number (object *who, int skillno)	204	find_skill_by_number (object *who, int skillno)
185	{	205	{
186	object skill = NULL, skill_tool = NULL, *tmp;
187
188	if (skillno < 1 \|\| skillno >= NUM_SKILLS)
189	return NULL;
190
191	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	206	for (object *tmp = who->inv; tmp; tmp = tmp->below)
192	{
193	if (tmp->type == SKILL && tmp->subtype == skillno)	207	if (tmp->type == SKILL && tmp->subtype == skillno)
194	skill = tmp;	208	if (object *skop = find_skill_by_name (who, tmp->skill))
195
196	/* Try to find appropriate skilltool. If the player has one already
197	* applied, we try to keep using that one.
198	*/
199	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)
200	{
201	if (QUERY_FLAG (tmp, FLAG_APPLIED))
202	skill_tool = tmp;
203	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
204	skill_tool = tmp;
205	}
206	}
207	/* If this is a skill that can be used without a tool, return it */
208	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
209	return skill;
210
211	/* Player has a tool to use the skill. IF not applied, apply it -
212	* if not successful, return null. If they do have the skill tool
213	* but not the skill itself, give it to them.
214	*/
215	if (skill_tool)
216	{
217	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
218	{
219	if (apply_special (who, skill_tool, 0))
220	return NULL;
221	}
222
223	if (!skill)
224	{
225	skill = give_skill_by_name (who, skill_tool->skill);
226	link_player_skills (who);
227	}
228
229	return skill;	209	return skop;
230	}
231		210
232	return NULL;
233	}
234
235	/* This changes the objects skill to new_skill.
236	* note that this function doesn't always need to get used -
237	* you can now add skill exp to the player without the chosen_skill being
238	* set. This function is of most interest to players to update
239	* the various range information.
240	* return 1 on success, 0 on error
241	*/
242	int
243	change_skill (object who, object new_skill, int flag)
244	{
245	if (who->type != PLAYER)
246	return 0;	211	return 0;
247
248	// optimise this supposedly common case
249	if (new_skill == who->chosen_skill)
250	return 1;
251
252	if (who->chosen_skill)
253	{
254	apply_special (who, who->chosen_skill, AP_UNAPPLY);
255	who->chosen_skill = 0;//D verify wether necessary
256	}
257
258	if (!new_skill)
259	{
260	LOG (llevError \| logBacktrace, "change_skill called on %s with NULL skill\n",
261	who->debug_desc ());
262	return 0;
263	}
264
265	new_skill->inv_splay ();
266
267	if (apply_special (who, new_skill, AP_APPLY))
268	return 0;
269
270	return 1;
271	}
272
273	/* This function just clears the chosen_skill and range_skill values
274	* in the player.
275	*/
276	void
277	clear_skill (object *who)
278	{
279	who->chosen_skill = 0;
280	CLEAR_FLAG (who, FLAG_READY_SKILL);
281
282	if (who->type == PLAYER)
283	if (who->contr->ranged_ob && who->contr->ranged_ob->type == SKILL)
284	who->contr->ranged_ob = 0;
285	}	212	}
286		213
287	/* do_skill() - Main skills use function-similar in scope to cast_spell().	214	/* do_skill() - Main skills use function-similar in scope to cast_spell().
288	* We handle all requests for skill use outside of some combat here.	215	* We handle all requests for skill use outside of some combat here.
289	* We require a separate routine outside of fire() so as to allow monsters	216	* We require a separate routine outside of fire() so as to allow monsters
…		…
296	*/	223	*/
297	int	224	int
298	do_skill (object op, object part, object skill, int dir, const char string)	225	do_skill (object op, object part, object skill, int dir, const char string)
299	{	226	{
300	int success = 0, exp = 0;	227	int success = 0, exp = 0;
301	int did_alc = 0;
302		228
303	if (!skill)	229	if (!skill)
304	return 0;	230	return 0;
305		231
306	/* The code below presumes that the skill points to the object that	232	/* The code below presumes that the skill points to the object that
…		…
331	/* Not 100% sure if this will work with new movement code -	257	/* Not 100% sure if this will work with new movement code -
332	* the levitation skill has move_type for flying, so when	258	* the levitation skill has move_type for flying, so when
333	* equipped, that should transfer to player, when not,	259	* equipped, that should transfer to player, when not,
334	* shouldn't.	260	* shouldn't.
335	*/	261	*/
336	if (QUERY_FLAG (skill, FLAG_APPLIED))	262	if (skill->flag [FLAG_APPLIED])
337	{	263	{
338	CLEAR_FLAG (skill, FLAG_APPLIED);	264	skill->clr_flag (FLAG_APPLIED);
339	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	265	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
340	}	266	}
341	else	267	else
342	{	268	{
343	SET_FLAG (skill, FLAG_APPLIED);	269	skill->set_flag (FLAG_APPLIED);
344	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	270	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
345	}	271	}
346		272
347	op->update_stats ();	273	op->update_stats ();
348	success = 1;	274	success = 1;
349	break;	275	break;
…		…
359	case SK_HIDING:	285	case SK_HIDING:
360	exp = success = hide (op, skill);	286	exp = success = hide (op, skill);
361	break;	287	break;
362		288
363	case SK_JUMPING:	289	case SK_JUMPING:
364	success = jump (op, dir, skill);	290	exp = success = jump (op, dir, skill);
365	break;	291	break;
366		292
367	case SK_INSCRIPTION:	293	case SK_INSCRIPTION:
368	exp = success = write_on_item (op, string, skill);	294	exp = success = write_on_item (op, string, skill);
369	break;	295	break;
…		…
431	case SK_LITERACY:	357	case SK_LITERACY:
432	case SK_WOODSMAN:	358	case SK_WOODSMAN:
433	/* first, we try to find a cauldron, and do the alchemy thing.	359	/* first, we try to find a cauldron, and do the alchemy thing.
434	* failing that, we go and identify stuff.	360	* failing that, we go and identify stuff.
435	*/	361	*/
		362	{
		363	bool found_cauldron = false;
		364
436	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)	365	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
437	{	366	{
438	next = tmp->above;	367	next = tmp->above;
439		368
440	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	369	if (tmp->flag [FLAG_IS_CAULDRON])
441	{	370	{
		371	found_cauldron = true;
		372
		373	if (tmp->skill != skill->skill)
		374	{
		375	op->failmsgf ("You can't use the %s with the %s skill!",
		376	query_name (tmp),
		377	query_name (skill));
		378	break;
		379	}
		380
442	attempt_do_alchemy (op, tmp);	381	attempt_do_alchemy (op, tmp, skill);
443		382
444	if (QUERY_FLAG (tmp, FLAG_APPLIED))	383	if (tmp->flag [FLAG_APPLIED])
445	esrv_send_inventory (op, tmp);	384	esrv_send_inventory (op, tmp);
446
447	did_alc = 1;
448	}	385	}
449	}	386	}
450		387
451	if (did_alc == 0)	388	if (!found_cauldron)
452	exp = success = skill_ident (op, skill);	389	exp = success = skill_ident (op, skill);
453		390	}
454	break;	391	break;
455		392
456	case SK_DET_MAGIC:	393	case SK_DET_MAGIC:
457	case SK_DET_CURSE:	394	case SK_DET_CURSE:
458	exp = success = skill_ident (op, skill);	395	exp = success = skill_ident (op, skill);
…		…
489	case SK_SUMMONING:	426	case SK_SUMMONING:
490	case SK_CLIMBING:	427	case SK_CLIMBING:
491	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	428	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
492	break;	429	break;
493		430
		431	case SK_MINING:
		432	success = skill_mining (op, part, skill, dir, string);
		433	break;
		434
		435	case SK_FISHING:
		436	success = skill_fishing (op, part, skill, dir, string);
		437	break;
		438
494	default:	439	default:
495	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	440	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
496	break;	441	break;
497	}	442	}
498		443
…		…
500	* Monsters have no skill use time because of the random nature in	445	* Monsters have no skill use time because of the random nature in
501	* which use_monster_skill is called already simulates this.	446	* which use_monster_skill is called already simulates this.
502	* If certain skills should take more/less time, that should be	447	* If certain skills should take more/less time, that should be
503	* in the code for the skill itself.	448	* in the code for the skill itself.
504	*/	449	*/
505
506	if (op->type == PLAYER)	450	if (op->type == PLAYER)
507	op->speed_left -= 1.0;	451	op->speed_left -= 1.f;
508		452
509	/* this is a good place to add experience for successfull use of skills.	453	/* this is a good place to add experience for successfull use of skills.
510	* Note that add_exp() will figure out player/monster experience	454	* Note that add_exp() will figure out player/monster experience
511	* gain problems.	455	* gain problems.
512	*/	456	*/
…		…
558	* If an object is not alive and magical we set the base exp higher to	502	* If an object is not alive and magical we set the base exp higher to
559	* help out exp awards for skill_ident skills. Also, if	503	* help out exp awards for skill_ident skills. Also, if
560	* an item is type RUNE, we give out exp based on stats.Cha	504	* an item is type RUNE, we give out exp based on stats.Cha
561	* and level (this was the old system) -b.t.	505	* and level (this was the old system) -b.t.
562	*/	506	*/
563
564	if (!op)	507	if (!op)
565	{ /* no item/creature */	508	{ /* no item/creature */
566	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	509	op_lvl = max (1, who->map->difficulty);
567	op_exp = 0;	510	op_exp = 0;
568	}	511	}
569	else if (op->type == RUNE \|\| op->type == TRAP)	512	else if (op->type == RUNE \|\| op->type == TRAP)
570	{ /* all traps. If stats.Cha > 1 we use that	513	{ /* all traps. If stats.Cha > 1 we use that
571	* for the amount of experience */	514	* for the amount of experience */
…		…
574	}	517	}
575	else	518	else
576	{ /* all other items/living creatures */	519	{ /* all other items/living creatures */
577	op_exp = op->stats.exp;	520	op_exp = op->stats.exp;
578	op_lvl = op->level;	521	op_lvl = op->level;
579	if (!QUERY_FLAG (op, FLAG_ALIVE))	522	if (!op->flag [FLAG_ALIVE])
580	{ /* for ident/make items */	523	op_lvl += 5 * abs (op->magic); /* for ident/make items */
581	op_lvl += 5 * abs (op->magic);
582	}
583	}	524	}
584		525
585	if (op_lvl < 1)	526	if (op_lvl < 1)
586	op_lvl = 1;	527	op_lvl = 1;
587		528
…		…
595	/* if skill really is a skill, then we can look at the skill archetype for	536	/* if skill really is a skill, then we can look at the skill archetype for
596	* bse reward value (exp) and level multiplier factor.	537	* bse reward value (exp) and level multiplier factor.
597	*/	538	*/
598	if (skill->type == SKILL)	539	if (skill->type == SKILL)
599	{	540	{
600	base += skill->arch->clone.stats.exp;	541	base += skill->arch->stats.exp;
601	if (settings.simple_exp)	542	if (settings.simple_exp)
602	{	543	{
603	if (skill->arch->clone.level)	544	if (skill->arch->level)
604	lvl_mult = (float) skill->arch->clone.level / 100.0;	545	lvl_mult = (float) skill->arch->level / 100.0;
605	else	546	else
606	lvl_mult = 1.0; /* no adjustment */	547	lvl_mult = 1.0; /* no adjustment */
607	}	548	}
608	else	549	else
609	{	550	{
610	if (skill->level)	551	if (skill->level)
611	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	552	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
612	else	553	else
613	lvl_mult = 1.0;	554	lvl_mult = 1.0;
614	}	555	}
615	}	556	}
616	else	557	else
617	{	558	{
618	/* Don't divide by zero here! */	559	/* Don't divide by zero here! */
619	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	560	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
620	}	561	}
621	}	562	}
622		563
623	/* assemble the exp total, and return value */	564	/* assemble the exp total, and return value */
624		565
…		…
641	* player learns the skill, 2 otherwise.	582	* player learns the skill, 2 otherwise.
642	*/	583	*/
643	int	584	int
644	learn_skill (object pl, object scroll)	585	learn_skill (object pl, object scroll)
645	{	586	{
646	object *tmp;
647
648	if (!scroll->skill)	587	if (!scroll->skill)
649	{	588	{
650	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	589	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
651	return 2;	590	return 2;
652	}	591	}
653		592
654	/* can't use find_skill_by_name because we want skills the player knows	593	object *tmp = find_skill (pl, scroll->skill);
655	* but can't use natively.
656	*/
657
658	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
659	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
660	break;
661		594
662	/* player already knows it */	595	/* player already knows it */
663	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	596	if (tmp && tmp->flag [FLAG_CAN_USE_SKILL])
664	return 0;	597	return 0;
665		598
666	/* now a random change to learn, based on player Int.	599	/* now a random change to learn, based on player Int.
667	* give bonus based on level - otherwise stupid characters	600	* give bonus based on level - otherwise stupid characters
668	* might never be able to learn anything.	601	* might never be able to learn anything.
…		…
677	{	610	{
678	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);	611	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
679	return 2;	612	return 2;
680	}	613	}
681		614
682	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);	615	tmp->set_flag (FLAG_CAN_USE_SKILL);
683	link_player_skills (pl);	616
684	return 1;	617	return 1;
685	}	618	}
686		619
687	/* Gives a percentage clipped to 0% -> 100% of a/b. */	620	/* Gives a percentage clipped to 0% -> 100% of a/b. */
688	/* Probably belongs in some global utils-type file? */	621	/* Probably belongs in some global utils-type file? */
…		…
712	* Note this function is a bit more complicated becauase we	645	* Note this function is a bit more complicated becauase we
713	* we want ot sort the skills before printing them. If we	646	* we want ot sort the skills before printing them. If we
714	* just dumped this as we found it, this would be a bit	647	* just dumped this as we found it, this would be a bit
715	* simpler.	648	* simpler.
716	*/	649	*/
717		650	//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
718	void	651	void
719	show_skills (object op, const char search)	652	show_skills (object pl, const char search)
720	{	653	{
721	object *tmp = NULL;
722	char buf[MAX_BUF];
723	const char *cp;	654	const char *cp;
724	int i, num_skills_found = 0;	655	int i, num_skills_found = 0;
725	static const char *const periods = "........................................";	656	const char *const periods = ".............................."; // 30
726		657
727	/* Need to have a pointer and use strdup for qsort to work properly */	658	/* Need to have a pointer and use strdup for qsort to work properly */
728	char skills[NUM_SKILLS][MAX_BUF];	659	char skills[NUM_SKILLS][128]; // d'oh
729		660
		661	object *op = pl->contr->ob;
730		662
731	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	663	for (object *tmp = op->inv; tmp; tmp = tmp->below)
732	{	664	{
733	if (tmp->type == SKILL)	665	if (tmp->type == SKILL)
734	{	666	{
735	if (search && strstr (tmp->name, search) == NULL)	667	if (search && !tmp->name.contains (search))
736	continue;	668	continue;
		669
		670	char buf[30];
		671
737	/* Basically want to fill this out to 40 spaces with periods */	672	/* Basically want to fill this out to 30 spaces with periods */
738	sprintf (buf, "%s%s", &tmp->name, periods);	673	snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
739	buf[40] = 0;
740		674
741	if (settings.permanent_exp_ratio)	675	if (settings.permanent_exp_ratio)
742	{
743	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",	676	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
744	buf, tmp->level, tmp->stats.exp,	677	buf, tmp->level, tmp->stats.exp,
745	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));	678	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
746	}
747	else	679	else
748	{
749	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",	680	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
750	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));	681	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
751	}	682
752	/* I don't know why some characters get a bunch of skills, but	683	/* I don't know why some characters get a bunch of skills, but
753	* it sometimes happens (maybe a leftover from bugier earlier code	684	* it sometimes happens (maybe a leftover from bugier earlier code
754	* and those character are still about). In any case, lets handle	685	* and those character are still about). In any case, lets handle
755	* it so it doesn't crash the server - otherwise, one character may	686	* it so it doesn't crash the server - otherwise, one character may
756	* crash the server numerous times.	687	* crash the server numerous times.
757	*/	688	*/
758	if (num_skills_found >= NUM_SKILLS)	689	if (num_skills_found >= NUM_SKILLS)
759	{	690	{
760	new_draw_info (NDI_RED, 0, op, "Your character has too many skills.");	691	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Your character has too many skills.");
761	new_draw_info (NDI_RED, 0, op, "Something isn't right - contact the server admin");	692	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Something isn't right - contact the server admin");
762	break;	693	break;
763	}	694	}
764	}	695	}
765	}	696	}
766		697
767	clear_win_info (op);	698	dynbuf_text &msg = msg_dynbuf; msg.clear ();
768	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	699
		700	msg << "T<Player skills:>\n\n";
769	if (num_skills_found > 1)	701	if (num_skills_found > 1)
770	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) std::strcmp);	702	qsort (skills, num_skills_found, sizeof (skills [0]), (int ()(const void , const void *)) std::strcmp);
771		703
772	for (i = 0; i < num_skills_found; i++)	704	for (i = 0; i < num_skills_found; i++)
773	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);	705	msg << " C<" << skills [i] << ">\n";
774		706
775	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	707	msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
776		708
777	cp = determine_god (op);	709	cp = determine_god (op);
778	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	710	msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
779		711
780	new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n",	712	msg << "Your equipped item power is " << (int)op->contr->item_power
781	op->contr->item_power, (int) (op->level * settings.item_power_factor));	713	<< " out of " << int (op->level * settings.item_power_factor)
		714	<< ".\n";
		715
		716	pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
782	}	717	}
783		718
784	/* use_skill() - similar to invoke command, it executes the skill in the	719	/* use_skill() - similar to invoke command, it executes the skill in the
785	* direction that the user is facing. Returns false if we are unable to	720	* direction that the user is facing. Returns false if we are unable to
786	* change to the requested skill, or were unable to use the skill properly.	721	* change to the requested skill, or were unable to use the skill properly.
…		…
794	size_t len;	729	size_t len;
795		730
796	if (!string)	731	if (!string)
797	return 0;	732	return 0;
798		733
799	for (skop = op->inv; skop != NULL; skop = skop->below)	734	for (skop = op->inv; skop; skop = skop->below)
800	{	735	if ((skop->type == SKILL \|\| skop->type == SKILL_TOOL)
801	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&
802	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	736	&& !strncmp (string, skop->skill, min (strlen (string), strlen (skop->skill))))
		737	{
		738	skop = find_skill_by_name (op, skop->skill);
803	break;	739	break;
804	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
805	break;
806	}	740	}
		741
807	if (!skop)	742	if (!skop)
808	{	743	{
809	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	744	op->failmsgf ("Unable to find skill %s.", string);
		745	return 0;
		746	}
		747
		748	if (!(skill_flags [skop->subtype] & SF_USE))
		749	{
		750	op->failmsgf (
		751	"You feel as if you wanted to do something funny, but you can't remember what. "
		752	"H<The %s skill cannot be C<use_skill>'ed - maybe you need to C<ready_skill> it, "
		753	"use it with some item, or it's always active.>",
		754	&skop->skill
		755	);
810	return 0;	756	return 0;
811	}	757	}
812		758
813	len = strlen (skop->skill);	759	len = strlen (skop->skill);
814		760
…		…
816	* options given to the skill. Its pretty simple - if there	762	* options given to the skill. Its pretty simple - if there
817	* are extra parameters (as deteremined by string length), we	763	* are extra parameters (as deteremined by string length), we
818	* want to skip over any leading spaces.	764	* want to skip over any leading spaces.
819	*/	765	*/
820	if (len >= strlen (string))	766	if (len >= strlen (string))
821	{
822	string = NULL;	767	string = NULL;
823	}
824	else	768	else
825	{	769	{
826	string += len;	770	string += len;
827	while (*string == 0x20)	771	while (*string == 0x20)
828	string++;	772	string++;
		773
829	if (strlen (string) == 0)	774	if (strlen (string) == 0)
830	string = NULL;	775	string = NULL;
831	}	776	}
832		777
833	#ifdef SKILL_UTIL_DEBUG	778	#ifdef SKILL_UTIL_DEBUG
834	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	779	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
835	#endif	780	#endif
836		781
837	/* Change to the new skill, then execute it. */
838	if (do_skill (op, op, skop, op->facing, string))	782	if (do_skill (op, op, skop, op->facing, string))
839	return 1;	783	return 1;
840		784
841	return 0;	785	return 0;
842	}	786	}
843		787
844	static bool	788	static bool
845	hth_skill_p (object *skill)	789	hth_skill_p (object *skill)
846	{	790	{
847	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_WEAPON)) == SF_COMBAT;	791	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_ITEM)) == SF_COMBAT;
848	}	792	}
849		793
850	/* This finds the first unarmed skill the player has, and returns it.	794	/* This finds the first unarmed skill the player has, and returns it.
851	*/	795	*/
852	static object *	796	static object *
853	find_player_hth_skill (object *op)	797	find_player_hth_skill (object *op)
854	{	798	{
855	for (object *tmp = op->inv; tmp; tmp = tmp->below)	799	for (object *tmp = op->inv; tmp; tmp = tmp->below)
856	if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp))	800	if (tmp->type == SKILL && tmp->flag [FLAG_CAN_USE_SKILL] && hth_skill_p (tmp))
857	return tmp;	801	return tmp;
858		802
859	return 0;	803	return 0;
860	}	804	}
861		805
…		…
880	* the caller should have set it appropriately). We still want to pass	824	* the caller should have set it appropriately). We still want to pass
881	* through that code if skill is set to change to the skill.	825	* through that code if skill is set to change to the skill.
882	*/	826	*/
883	if (player *pl = op->contr)	827	if (player *pl = op->contr)
884	{	828	{
885	if (!pl->combat_ob)	829	if (skill)
886	{	830	{
887	if (QUERY_FLAG (op, FLAG_READY_WEAPON))	831	if (!op->apply (skill))
		832	return 0;
		833	}
		834	else
		835	{
		836	if (!pl->combat_ob)
888	{	837	{
889	for (tmp = op->inv; tmp; tmp = tmp->below)	838	if (op->flag [FLAG_READY_WEAPON])
890	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
891	break;
892
893	if (!tmp)
894	{	839	{
		840	for (tmp = op->inv; tmp; tmp = tmp->below)
		841	if (tmp->type == WEAPON && tmp->flag [FLAG_APPLIED])
		842	break;
		843
		844	if (!tmp)
895	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);	845	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
896	return 0;	846
		847	pl->combat_ob = tmp;
897	}	848	}
898		849
899	change_skill (op, find_skill_by_name (op, tmp->skill), 1);	850	if (!pl->combat_ob)
900	}
901	else
902	{
903	if (!skill)
904	{	851	{
905	/* See if the players chosen skill is a combat skill, and use	852	/* See if the players chosen skill is a combat skill, and use
906	* it if appropriate.	853	* it if appropriate.
907	*/	854	*/
908	if (op->chosen_skill && hth_skill_p (op->chosen_skill))	855	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
…		…
910	else	857	else
911	{	858	{
912	skill = find_player_hth_skill (op);	859	skill = find_player_hth_skill (op);
913		860
914	if (!skill)	861	if (!skill)
915	{
916	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");	862	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
917	return 0;
918	}
919	}	863	}
		864
		865	op->apply (skill);
920	}	866	}
921		867
922	/* now try to ready the new skill */	868	if (!pl->combat_ob)
923	if (!change_skill (op, skill, 0))	869	{
924	{ /* oh oh, trouble! */	870	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
925	new_draw_info_format (NDI_UNIQUE, 0, op, "Couldn't change to skill %s", &skill->name);
926	return 0;	871	return 0;
927	}	872	}
928	}	873	}
929		874
930	if (!pl->combat_ob)	875	if (!op->apply (pl->combat_ob))
931	{
932	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
933	return 0;	876	return 0;
934	}
935	}	877	}
936
937	op->set_weapon (pl->combat_ob);
938		878
939	/* lose invisiblity/hiding status for running attacks */	879	/* lose invisiblity/hiding status for running attacks */
940	if (pl->tmp_invis)	880	if (pl->tmp_invis)
941	{	881	{
942	pl->tmp_invis = 0;	882	pl->tmp_invis = 0;
943	op->invisible = 0;	883	op->invisible = 0;
944	op->hide = 0;	884	op->flag [FLAG_HIDDEN] = 0;
945	update_object (op, UP_OBJ_CHANGE);	885	update_object (op, UP_OBJ_CHANGE);
946	}	886	}
947	}	887	}
948		888
949	int success = attack_ob (tmp, op);	889	int success = attack_ob (tmp, op);
950		890
951	/* print appropriate messages to the player */	891	/* print appropriate messages to the player */
952		892
953	if (success && string && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	893	if (success && string && tmp && !tmp->flag [FLAG_FREED])
954	{	894	{
955	if (op->type == PLAYER)	895	if (op->type == PLAYER)
956	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	896	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
957	else if (tmp->type == PLAYER)	897	else if (tmp->type == PLAYER)
958	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	898	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
…		…
961	return success;	901	return success;
962	}	902	}
963		903
964	/* skill_attack() - Core routine for use when we attack using a skills	904	/* skill_attack() - Core routine for use when we attack using a skills
965	* system. In essence, this code handles	905	* system. In essence, this code handles
966	* all skill-based attacks, ie hth, missile and melee weapons should be	906	* all skill-based attacks, i.e. hth, missile and melee weapons should be
967	* treated here. If an opponent is already supplied by move_player(),	907	* treated here. If an opponent is already supplied by move_player(),
968	* we move right onto do_skill_attack(), otherwise we find if an	908	* we move right onto do_skill_attack(), otherwise we find if an
969	* appropriate opponent exists.	909	* appropriate opponent exists.
970	*	910	*
971	* This is called by move_player() and attack_hth()	911	* This is called by move_player() and attack_hth()
…		…
1001	/* space must be blocked for there to be anything interesting to do */	941	/* space must be blocked for there to be anything interesting to do */
1002	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))	942	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))
1003	return 0;	943	return 0;
1004		944
1005	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)	945	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)
1006	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	946	if ((tmp->flag [FLAG_ALIVE] && tmp->stats.hp >= 0) \|\| tmp->flag [FLAG_CAN_ROLL] \|\| tmp->type == LOCKED_DOOR)
1007	{	947	{
1008	/* Don't attack party members */	948	/* Don't attack party members */
1009	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	949	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1010	return 0;	950	return 0;
1011		951
…		…
1033	static int	973	static int
1034	attack_hth (object pl, int dir, const char string, object *skill)	974	attack_hth (object pl, int dir, const char string, object *skill)
1035	{	975	{
1036	object enemy = NULL, weapon;	976	object enemy = NULL, weapon;
1037		977
1038	if (QUERY_FLAG (pl, FLAG_READY_WEAPON))	978	if (pl->flag [FLAG_READY_WEAPON])
1039	for (weapon = pl->inv; weapon; weapon = weapon->below)	979	for (weapon = pl->inv; weapon; weapon = weapon->below)
1040	{	980	{
1041	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))	981	if (weapon->type == WEAPON && weapon->flag [FLAG_APPLIED])
1042	{	982	{
1043	CLEAR_FLAG (weapon, FLAG_APPLIED);	983	weapon->clr_flag (FLAG_APPLIED);
1044	CLEAR_FLAG (pl, FLAG_READY_WEAPON);	984	pl->clr_flag (FLAG_READY_WEAPON);
1045	pl->update_stats ();	985	pl->update_stats ();
1046	if (pl->type == PLAYER)	986	if (pl->type == PLAYER)
1047	{	987	{
1048	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	988	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1049	esrv_update_item (UPD_FLAGS, pl, weapon);	989	esrv_update_item (UPD_FLAGS, pl, weapon);
…		…
1067	*/	1007	*/
1068	static int	1008	static int
1069	attack_melee_weapon (object op, int dir, const char string, object *skill)	1009	attack_melee_weapon (object op, int dir, const char string, object *skill)
1070	{	1010	{
1071		1011
1072	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1012	if (!op->flag [FLAG_READY_WEAPON])
1073	{	1013	{
1074	if (op->type == PLAYER)	1014	if (op->type == PLAYER)
1075	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1015	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
1076		1016
1077	return 0;	1017	return 0;
1078	}	1018	}
1079		1019
1080	return skill_attack (NULL, op, dir, string, skill);	1020	return skill_attack (NULL, op, dir, string, skill);
1081
1082	}	1021	}
		1022

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.43 by root, Sat May 12 13:27:38 2007 UTC vs. Revision 1.94 by root, Sun Apr 11 00:34:06 2010 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.43 by root, Sat May 12 13:27:38 2007 UTC vs.
Revision 1.94 by root, Sun Apr 11 00:34:06 2010 UTC