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

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.11 by root, Tue Sep 12 00:53:57 2006 UTC vs.
Revision 1.92 by root, Sat Apr 10 04:54:10 2010 UTC

…		…
1
2	/*	1	/*
3	* static char *rcsid_skill_util_c =	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4	* "$Id: skill_util.C,v 1.11 2006/09/12 00:53:57 root Exp $";	3	*
5	*/	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6
7	/*
8	CrossFire, A Multiplayer game for X-windows
9
10	Copryight (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
12		7	*
13	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
14	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
15	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
16	(at your option) any later version.	11	* option) any later version.
17		12	*
18	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,
19	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	GNU General Public License for more details.	16	* GNU General Public License for more details.
22		17	*
23	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
24	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
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
26		21	*
27	The author can be reached via e-mail to crossfire-devel@real-time.com	22	* The authors can be reached via e-mail to <support@deliantra.net>
28	*/	23	*/
29		24
30	/* 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. */
31		26
32	/* Reconfigured skills code to allow linking of skills to experience	27	/* Reconfigured skills code to allow linking of skills to experience
33	* categories. This is done solely through the init_new_exp_system() fctn.	28	* categories. This is done solely through the init_new_exp_system() fctn.
45		40
46	/* #define SKILL_UTIL_DEBUG */	41	/* #define SKILL_UTIL_DEBUG */
47		42
48	#include <global.h>	43	#include <global.h>
49	#include <object.h>	44	#include <object.h>
50	#ifndef __CEXTRACT__
51	# include <sproto.h>	45	#include <sproto.h>
52	#endif
53	#include <living.h> /* for defs of STR,CON,DEX,etc. -b.t. */	46	#include <living.h> /* for defs of STR,CON,DEX,etc. -b.t. */
54	#include <spells.h>	47	#include <spells.h>
55		48
56	/* Table of unarmed attack skills. Terminated by -1. This	49	const uint8_t skill_flags[NUM_SKILLS] = {
57	* is also the list that we should try to use skills when	50	0, // SK_NONE
58	* automatically applying one for the player.	51	# define def(uc, flags) flags,
59	* Note it is hardcoded in the skill_util.c that dragons always	52	# include "skillinc.h"
60	* want clawing if possible.	53	# undef def
61	*/
62	static uint8 unarmed_skills[] = {
63	SK_KARATE,
64	SK_CLAWING,
65	SK_FLAME_TOUCH,
66	SK_SPARK_TOUCH,
67	SK_SHIVER,
68	SK_ACID_SPLASH,
69	SK_POISON_NAIL,
70	SK_PUNCHING,
71	(uint8)-1
72	};	54	};
73		55
74	static int attack_hth (object pl, int dir, const char string, object *skill);	56	static int attack_hth (object pl, int dir, const char string, object *skill);
75	static int attack_melee_weapon (object op, int dir, const char string, object *skill);	57	static int attack_melee_weapon (object op, int dir, const char string, object *skill);
76		58
77	/* init_skills basically just sets up the skill_names table	59	/* init_skills basically just sets up the skill_names table
78	* above. The index into the array is set up by the	60	* above. The index into the array is set up by the
79	* subtypes.	61	* subtypes.
80	*/	62	*/
81	void	63	void
82	init_skills (void)	64	init_skills ()
83	{	65	{
84	int i;	66	for_all_archetypes (at)
85	archetype *at;
86
87	for (at = first_archetype; at != NULL; at = at->next)
88	if (at->clone.type == SKILL)	67	if (at->type == SKILL)
89	{	68	{
90	if (skill_names[at->clone.subtype] != NULL)	69	if (skill_names[at->subtype])
91	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",
92	at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill);	71	at->subtype, &skill_names[at->subtype], &at->skill);
93	else	72	else
94	skill_names[at->clone.subtype] = at->clone.skill;	73	skill_names[at->subtype] = at->skill;
95	}	74	}
96		75
97	/* 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
98	* checking for this may catch some user errors.	77	* checking for this may catch some user errors.
99	*/	78	*/
100	for (i = 1; i < NUM_SKILLS; i++)	79	for (int i = 1; i < NUM_SKILLS; i++)
101	{
102	if (!skill_names[i])	80	if (!skill_names[i])
103	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);	81	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);
104	}
105	}	82	}
106
107		83
108	/* This function goes through the player inventory and sets	84	/* This function goes through the player inventory and sets
109	* up the last_skills[] array in the player object.	85	* up the last_skills[] array in the player object.
110	* the last_skills[] is used to more quickly lookup skills -	86	* the last_skills[] is used to more quickly lookup skills -
111	* mostly used for sending exp.	87	* mostly used for sending exp.
112	*/	88	*/
113	void	89	void
114	link_player_skills (object *op)	90	player::link_skills ()
115	{	91	{
116	object *tmp;	92	for (int i = 0; i < NUM_SKILLS; ++i)
		93	last_skill_ob [i] = 0;
117		94
118	for (tmp = op->inv; tmp; tmp = tmp->below)	95	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
119	{
120	if (tmp->type == SKILL)	96	if (tmp->type == SKILL)
		97	{
		98	assert (IN_RANGE_EXC (tmp->subtype, 0, NUM_SKILLS));
		99
		100	if (last_skill_ob [tmp->subtype] != tmp)
121	{	101	{
122	/* This is really a warning, hence no else below */	102	/* This is really a warning, hence no else below */
123	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)	103	if (last_skill_ob [tmp->subtype])
124	{
125	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",	104	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
126	&op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);	105	&last_skill_ob [tmp->subtype]->skill, &tmp->skill);
		106
		107	last_skill_ob [tmp->subtype] = tmp;
		108	if (ns)
		109	ns->last_skill_exp [tmp->subtype] = -1;
127	}	110	}
128	if (tmp->subtype >= NUM_SKILLS)
129	{
130	LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);
131	}
132	else
133	{
134	op->contr->last_skill_ob[tmp->subtype] = tmp;
135	op->contr->last_skill_exp[tmp->subtype] = -1;
136	}
137	}	111	}
138	}	112	}
		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);
139	}	133	}
140		134
141	/* This returns the skill pointer of the given name (the	135	/* This returns the skill pointer of the given name (the
142	* one that accumlates exp, has the level, etc).	136	* one that accumulates exp, has the level, etc).
143	*	137	*
144	* It is presumed that the player will be needing to actually	138	* It is presumed that the player will be needing to actually
145	* 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
146	* tool, this code will equip it.	140	* tool, this code will equip it.
147	*/	141	*/
148	object *	142	object *
149	find_skill_by_name (object who, const char name)	143	find_skill_by_name (object *who, shstr_cmp sh)
150	{	144	{
151	object skill = NULL, skill_tool = NULL, *tmp;	145	object *skill_tool = 0;
152		146
153	if (!name)
154	return NULL;
155
156	/* We make sure the length of the string in the object is greater
157	* in length than the passed string. Eg, if we have a skill called
158	* 'hi', we don't want to match if the user passed 'high'
159	*/
160	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	147	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		148	if (tmp->skill == sh)
161	{	149	{
162	if (tmp->type == SKILL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	150	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))
163	skill = tmp;	151	/* If this is a skill that can be used without applying tool, return it */
164		152	return splay (tmp);
165	/* Try to find appropriate skilltool. If the player has one already	153	/* Try to find appropriate skilltool. If the player has one already
166	* applied, we try to keep using that one.	154	* applied, we try to keep using that one.
167	*/	155	*/
168	else if (tmp->type == SKILL_TOOL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	156	else if (tmp->type == SKILL_TOOL && !skill_tool)
169	{
170	if (QUERY_FLAG (tmp, FLAG_APPLIED))
171	skill_tool = tmp;	157	skill_tool = tmp;
172	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
173	skill_tool = tmp;
174	}	158	}
175	}	159
176	/* If this is a skill that can be used without a tool, return it */	160	if (!skill_tool)
177	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
178	return skill;	161	return 0;
179		162
180	/* 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 -
181	* 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
182	* but not the skill itself, give it to them.	165	* but not the skill itself, give it to them.
183	*/	166	*/
184	if (skill_tool)	167	object *skill = find_skill (who, skill_tool->skill);
185	{	168
186	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
187	{
188	if (apply_special (who, skill_tool, 0))
189	return NULL;
190	}
191	if (!skill)	169	if (!skill)
192	{
193	skill = give_skill_by_name (who, skill_tool->skill);	170	skill = give_skill_by_name (who, skill_tool->skill);
194	link_player_skills (who);	171
195	}	172	if (!skill_tool->flag [FLAG_APPLIED])
		173	if (!who->apply (splay (skill_tool)))
196	return skill;	174	return 0;
197	}	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;
		188
198	return NULL;	189	return 0;
199	}	190	}
200
201		191
202	/* This returns the skill pointer of the given name (the	192	/* This returns the skill pointer of the given name (the
203	* one that accumlates exp, has the level, etc).	193	* one that accumulates exp, has the level, etc).
204	*	194	*
205	* It is presumed that the player will be needing to actually	195	* It is presumed that the player will be needing to actually
206	* 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
207	* tool, this code will equip it.	197	* tool, this code will equip it.
208	*	198	*
…		…
211	* this replaces find_skill.	201	* this replaces find_skill.
212	*/	202	*/
213	object *	203	object *
214	find_skill_by_number (object *who, int skillno)	204	find_skill_by_number (object *who, int skillno)
215	{	205	{
216	object skill = NULL, skill_tool = NULL, *tmp;
217
218	if (skillno < 1 \|\| skillno >= NUM_SKILLS)
219	return NULL;
220
221	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	206	for (object *tmp = who->inv; tmp; tmp = tmp->below)
222	{
223	if (tmp->type == SKILL && tmp->subtype == skillno)	207	if (tmp->type == SKILL && tmp->subtype == skillno)
224	skill = tmp;	208	if (object *skop = find_skill_by_name (who, tmp->skill))
225
226	/* Try to find appropriate skilltool. If the player has one already
227	* applied, we try to keep using that one.
228	*/
229	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)
230	{
231	if (QUERY_FLAG (tmp, FLAG_APPLIED))
232	skill_tool = tmp;
233	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
234	skill_tool = tmp;
235	}
236	}
237	/* If this is a skill that can be used without a tool, return it */
238	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
239	return skill;
240
241	/* Player has a tool to use the skill. IF not applied, apply it -
242	* if not successful, return null. If they do have the skill tool
243	* but not the skill itself, give it to them.
244	*/
245	if (skill_tool)
246	{
247	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
248	{
249	if (apply_special (who, skill_tool, 0))
250	return NULL;
251	}
252	if (!skill)
253	{
254	skill = give_skill_by_name (who, skill_tool->skill);
255	link_player_skills (who);
256	}
257	return skill;	209	return skop;
258	}	210
259	return NULL;	211	return 0;
260	}	212	}
261		213
262	/* This changes the objects skill to new_skill.	214	/* This changes the objects chosen_skill to new_skill.
263	* note that this function doesn't always need to get used -
264	* you can now add skill exp to the player without the chosen_skill being
265	* set. This function is of most interest to players to update
266	* the various range information.
267	* if new_skill is null, this just unapplies the skill.
268	* flag has the current meaning:
269	* 0x1: If set, don't update the range pointer. This is useful when we
270	* need to ready a new skill, but don't want to clobber range.
271	* return 1 on success, 0 on error	215	* return 1 on success, 0 on error
272	*/	216	*/
273		217	bool
274	int	218	object::change_skill (object *new_skill)
275	change_skill (object who, object new_skill, int flag)
276	{	219	{
277	int old_range;
278
279	if (who->type != PLAYER)	220	if (type != PLAYER)
280	return 0;	221	return 0;
281		222
282	old_range = who->contr->shoottype;	223	// optimise this supposedly common case
283		224	if (new_skill == chosen_skill)
284	if (who->chosen_skill && who->chosen_skill == new_skill)
285	{
286	/* optimization for changing skill to current skill */
287	if (who->type == PLAYER && !(flag & 0x1))
288	who->contr->shoottype = range_skill;
289	return 1;	225	return 1;
290	}
291		226
292	if (!new_skill \|\| who->chosen_skill)
293	if (who->chosen_skill)	227	if (chosen_skill)
294	apply_special (who, who->chosen_skill, AP_UNAPPLY);
295
296	/* Only goal in this case was to unapply a skill */
297	if (!new_skill)
298	return 0;
299
300	if (apply_special (who, new_skill, AP_APPLY))
301	{
302	return 0;
303	}	228	{
304	if (flag & 0x1)	229	chosen_skill->flag [FLAG_APPLIED] = false;
305	who->contr->shoottype = (rangetype) old_range;	230	change_abil (this, chosen_skill);
		231	}
306		232
		233	chosen_skill = new_skill;
		234
		235	if (chosen_skill)
		236	{
		237	chosen_skill->flag [FLAG_APPLIED] = true;
		238	change_abil (this, chosen_skill);
		239	}
		240
		241	// always clear current weapon, as the selected skill could
		242	// conflict with the current weapon skill, which would go
		243	// undetected and exp would be given to the wrong skill.
		244	current_weapon = 0;
		245
		246	update_stats ();
307	return 1;	247	return 1;
308	}
309
310	/* This function just clears the chosen_skill and range_skill values
311	* inthe player.
312	*/
313	void
314	clear_skill (object *who)
315	{
316	who->chosen_skill = NULL;
317	CLEAR_FLAG (who, FLAG_READY_SKILL);
318	if (who->type == PLAYER)
319	{
320	who->contr->ranges[range_skill] = NULL;
321	if (who->contr->shoottype == range_skill)
322	who->contr->shoottype = range_none;
323	}
324	}	248	}
325		249
326	/* do_skill() - Main skills use function-similar in scope to cast_spell().	250	/* do_skill() - Main skills use function-similar in scope to cast_spell().
327	* We handle all requests for skill use outside of some combat here.	251	* We handle all requests for skill use outside of some combat here.
328	* We require a separate routine outside of fire() so as to allow monsters	252	* We require a separate routine outside of fire() so as to allow monsters
…		…
331	* exp - no caller needed that info, but it also prevented the callers	255	* exp - no caller needed that info, but it also prevented the callers
332	* from know if a skill was actually used, as many skills don't	256	* from know if a skill was actually used, as many skills don't
333	* give any exp for their direct use (eg, throwing).	257	* give any exp for their direct use (eg, throwing).
334	* It returns 0 if no skill was used.	258	* It returns 0 if no skill was used.
335	*/	259	*/
336
337	int	260	int
338	do_skill (object op, object part, object skill, int dir, const char string)	261	do_skill (object op, object part, object skill, int dir, const char string)
339	{	262	{
340	int success = 0, exp = 0;	263	int success = 0, exp = 0;
341	int did_alc = 0;
342	object tmp, next;
343		264
344	if (!skill)	265	if (!skill)
345	return 0;	266	return 0;
346		267
347	/* The code below presumes that the skill points to the object that	268	/* The code below presumes that the skill points to the object that
…		…
349	* go and try to find the actual real skill pointer, and if the	270	* go and try to find the actual real skill pointer, and if the
350	* the player doesn't have a bucket for that, create one.	271	* the player doesn't have a bucket for that, create one.
351	*/	272	*/
352	if (skill->type != SKILL && op->type == PLAYER)	273	if (skill->type != SKILL && op->type == PLAYER)
353	{	274	{
354	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	275	for (object *tmp = op->inv; tmp; tmp = tmp->below)
355	{
356	if (tmp->type == SKILL && tmp->skill == skill->skill)	276	if (tmp->type == SKILL && tmp->skill == skill->skill)
357	break;	277	{
		278	skill = tmp;
		279	goto found;
358	}	280	}
359	if (!tmp)	281
360	tmp = give_skill_by_name (op, skill->skill);	282	skill = give_skill_by_name (op, skill->skill);
361	skill = tmp;	283	found: ;
362	}	284	}
363		285
364	// skill, by_whom, on_which_object, which direction, skill_argument	286	// skill, by_whom, on_which_object, which direction, skill_argument
365	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))	287	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))
366	return 0;	288	return 0;
367		289
368	switch (skill->subtype)	290	switch (skill->subtype)
369	{	291	{
370	case SK_LEVITATION:	292	case SK_LEVITATION:
371	/* Not 100% sure if this will work with new movement code -	293	/* Not 100% sure if this will work with new movement code -
372	* the levitation skill has move_type for flying, so when	294	* the levitation skill has move_type for flying, so when
373	* equipped, that should transfer to player, when not,	295	* equipped, that should transfer to player, when not,
374	* shouldn't.	296	* shouldn't.
375	*/	297	*/
376	if (QUERY_FLAG (skill, FLAG_APPLIED))	298	if (QUERY_FLAG (skill, FLAG_APPLIED))
377	{	299	{
378	CLEAR_FLAG (skill, FLAG_APPLIED);	300	CLEAR_FLAG (skill, FLAG_APPLIED);
379	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	301	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
380	}	302	}
381	else	303	else
382	{	304	{
383	SET_FLAG (skill, FLAG_APPLIED);	305	SET_FLAG (skill, FLAG_APPLIED);
384	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	306	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
385	}	307	}
386	fix_player (op);	308
		309	op->update_stats ();
387	success = 1;	310	success = 1;
388	break;	311	break;
389		312
390	case SK_STEALING:	313	case SK_STEALING:
391	exp = success = steal (op, dir, skill);	314	exp = success = steal (op, dir, skill);
392	break;	315	break;
393		316
394	case SK_LOCKPICKING:	317	case SK_LOCKPICKING:
395	exp = success = pick_lock (op, dir, skill);	318	exp = success = pick_lock (op, dir, skill);
396	break;	319	break;
397		320
398	case SK_HIDING:	321	case SK_HIDING:
399	exp = success = hide (op, skill);	322	exp = success = hide (op, skill);
400	break;	323	break;
401		324
402	case SK_JUMPING:	325	case SK_JUMPING:
403	success = jump (op, dir, skill);	326	exp = success = jump (op, dir, skill);
404	break;	327	break;
405		328
406	case SK_INSCRIPTION:	329	case SK_INSCRIPTION:
407	exp = success = write_on_item (op, string, skill);	330	exp = success = write_on_item (op, string, skill);
408	break;	331	break;
409		332
410	case SK_MEDITATION:	333	case SK_MEDITATION:
411	meditate (op, skill);	334	meditate (op, skill);
412	success = 1;	335	success = 1;
413	break;	336	break;
414	/* note that the following 'attack' skills gain exp through hit_player() */	337	/* note that the following 'attack' skills gain exp through hit_player() */
415		338
416	case SK_KARATE:	339	case SK_KARATE:
417	(void) attack_hth (op, dir, "karate-chopped", skill);	340	attack_hth (op, dir, "karate-chopped", skill);
418	break;	341	break;
419		342
420	case SK_PUNCHING:	343	case SK_PUNCHING:
421	(void) attack_hth (op, dir, "punched", skill);	344	attack_hth (op, dir, "punched", skill);
422	break;	345	break;
423		346
424	case SK_FLAME_TOUCH:	347	case SK_FLAME_TOUCH:
425	(void) attack_hth (op, dir, "flamed", skill);	348	attack_hth (op, dir, "flamed", skill);
426	break;	349	break;
427		350
428	case SK_SPARK_TOUCH:	351	case SK_SPARK_TOUCH:
429	(void) attack_hth (op, dir, "zapped", skill);	352	attack_hth (op, dir, "zapped", skill);
430	break;	353	break;
431		354
432	case SK_SHIVER:	355	case SK_SHIVER:
433	(void) attack_hth (op, dir, "froze", skill);	356	attack_hth (op, dir, "froze", skill);
434	break;	357	break;
435		358
436	case SK_ACID_SPLASH:	359	case SK_ACID_SPLASH:
437	(void) attack_hth (op, dir, "dissolved", skill);	360	attack_hth (op, dir, "dissolved", skill);
438	break;	361	break;
439		362
440	case SK_POISON_NAIL:	363	case SK_POISON_NAIL:
441	(void) attack_hth (op, dir, "injected poison into", skill);	364	attack_hth (op, dir, "injected poison into", skill);
442	break;	365	break;
443		366
444	case SK_CLAWING:	367	case SK_CLAWING:
445	(void) attack_hth (op, dir, "clawed", skill);	368	attack_hth (op, dir, "clawed", skill);
446	break;	369	break;
447		370
448	case SK_ONE_HANDED_WEAPON:	371	case SK_ONE_HANDED_WEAPON:
449	case SK_TWO_HANDED_WEAPON:	372	case SK_TWO_HANDED_WEAPON:
450	(void) attack_melee_weapon (op, dir, NULL, skill);	373	attack_melee_weapon (op, dir, NULL, skill);
451	break;	374	break;
452		375
453	case SK_FIND_TRAPS:	376	case SK_FIND_TRAPS:
454	exp = success = find_traps (op, skill);	377	exp = success = find_traps (op, skill);
455	break;	378	break;
456		379
457	case SK_SINGING:	380	case SK_SINGING:
458	exp = success = singing (op, dir, skill);	381	exp = success = singing (op, dir, skill);
459	break;	382	break;
460		383
461	case SK_ORATORY:	384	case SK_ORATORY:
462	exp = success = use_oratory (op, dir, skill);	385	exp = success = use_oratory (op, dir, skill);
463	break;	386	break;
464		387
465	case SK_SMITHERY:	388	case SK_SMITHERY:
466	case SK_BOWYER:	389	case SK_BOWYER:
467	case SK_JEWELER:	390	case SK_JEWELER:
468	case SK_ALCHEMY:	391	case SK_ALCHEMY:
469	case SK_THAUMATURGY:	392	case SK_THAUMATURGY:
470	case SK_LITERACY:	393	case SK_LITERACY:
471	case SK_WOODSMAN:	394	case SK_WOODSMAN:
472	/* first, we try to find a cauldron, and do the alchemy thing.	395	/* first, we try to find a cauldron, and do the alchemy thing.
473	* failing that, we go and identify stuff.	396	* failing that, we go and identify stuff.
474	*/	397	*/
		398	{
		399	bool found_cauldron = false;
		400
475	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = next)	401	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
476	{	402	{
477	next = tmp->above;	403	next = tmp->above;
		404
478	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	405	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))
479	{	406	{
		407	found_cauldron = true;
		408
		409	if (tmp->skill != skill->skill)
		410	{
		411	op->failmsgf ("You can't use the %s with the %s skill!",
		412	query_name (tmp),
		413	query_name (skill));
		414	break;
		415	}
		416
480	attempt_do_alchemy (op, tmp);	417	attempt_do_alchemy (op, tmp, skill);
		418
481	if (QUERY_FLAG (tmp, FLAG_APPLIED))	419	if (QUERY_FLAG (tmp, FLAG_APPLIED))
482	esrv_send_inventory (op, tmp);	420	esrv_send_inventory (op, tmp);
483	did_alc = 1;
484	}	421	}
485	}	422	}
486	if (did_alc == 0)	423
		424	if (!found_cauldron)
487	exp = success = skill_ident (op, skill);	425	exp = success = skill_ident (op, skill);
		426	}
488	break;	427	break;
489		428
490	case SK_DET_MAGIC:	429	case SK_DET_MAGIC:
491	case SK_DET_CURSE:	430	case SK_DET_CURSE:
492	exp = success = skill_ident (op, skill);	431	exp = success = skill_ident (op, skill);
493	break;	432	break;
494		433
495	case SK_DISARM_TRAPS:	434	case SK_DISARM_TRAPS:
496	exp = success = remove_trap (op, dir, skill);	435	exp = success = remove_trap (op, dir, skill);
497	break;	436	break;
498		437
499	case SK_THROWING:	438	case SK_THROWING:
500	success = skill_throw (op, part, dir, string, skill);	439	success = skill_throw (op, part, dir, string, skill);
501	break;	440	break;
502		441
503	case SK_SET_TRAP:	442	case SK_SET_TRAP:
504	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");	443	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");
505	break;	444	break;
506		445
507	case SK_USE_MAGIC_ITEM:	446	case SK_USE_MAGIC_ITEM:
508	case SK_MISSILE_WEAPON:	447	case SK_MISSILE_WEAPON:
509	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");	448	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");
510	break;	449	break;
511		450
512	case SK_PRAYING:	451	case SK_PRAYING:
513	success = pray (op, skill);	452	success = pray (op, skill);
514	break;	453	break;
515		454
516	case SK_BARGAINING:	455	case SK_BARGAINING:
517	success = describe_shop (op);	456	success = describe_shop (op);
518	break;	457	break;
519		458
520	case SK_SORCERY:	459	case SK_SORCERY:
521	case SK_EVOCATION:	460	case SK_EVOCATION:
522	case SK_PYROMANCY:	461	case SK_PYROMANCY:
523	case SK_SUMMONING:	462	case SK_SUMMONING:
524	case SK_CLIMBING:	463	case SK_CLIMBING:
525	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	464	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
526	break;	465	break;
527		466
		467	case SK_MINING:
		468	success = skill_mining (op, part, skill, dir, string);
		469	break;
		470
		471	case SK_FISHING:
		472	success = skill_fishing (op, part, skill, dir, string);
		473	break;
		474
528	default:	475	default:
529	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	476	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
530	break;	477	break;
531	}	478	}
532		479
533	/* For players we now update the speed_left from using the skill.	480	/* For players we now update the speed_left from using the skill.
534	* Monsters have no skill use time because of the random nature in	481	* Monsters have no skill use time because of the random nature in
535	* which use_monster_skill is called already simulates this.	482	* which use_monster_skill is called already simulates this.
536	* If certain skills should take more/less time, that should be	483	* If certain skills should take more/less time, that should be
537	* in the code for the skill itself.	484	* in the code for the skill itself.
538	*/	485	*/
539
540	if (op->type == PLAYER)	486	if (op->type == PLAYER)
541	op->speed_left -= 1.0;	487	op->speed_left -= 1.f;
542		488
543	/* this is a good place to add experience for successfull use of skills.	489	/* this is a good place to add experience for successfull use of skills.
544	* Note that add_exp() will figure out player/monster experience	490	* Note that add_exp() will figure out player/monster experience
545	* gain problems.	491	* gain problems.
546	*/	492	*/
…		…
574	* op is the object that was 'defeated'.	520	* op is the object that was 'defeated'.
575	* skill is the skill used. If no skill is used, it should just	521	* skill is the skill used. If no skill is used, it should just
576	* point back to who.	522	* point back to who.
577	*	523	*
578	*/	524	*/
579
580	int	525	int
581	calc_skill_exp (object who, object op, object *skill)	526	calc_skill_exp (object who, object op, object *skill)
582	{	527	{
583	int op_exp = 0, op_lvl = 0;	528	int op_exp = 0, op_lvl = 0;
584	float base, value, lvl_mult = 0.0;	529	float base, value, lvl_mult = 0.0;
…		…
593	* If an object is not alive and magical we set the base exp higher to	538	* If an object is not alive and magical we set the base exp higher to
594	* help out exp awards for skill_ident skills. Also, if	539	* help out exp awards for skill_ident skills. Also, if
595	* an item is type RUNE, we give out exp based on stats.Cha	540	* an item is type RUNE, we give out exp based on stats.Cha
596	* and level (this was the old system) -b.t.	541	* and level (this was the old system) -b.t.
597	*/	542	*/
598
599	if (!op)	543	if (!op)
600	{ /* no item/creature */	544	{ /* no item/creature */
601	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	545	op_lvl = max (1, who->map->difficulty);
602	op_exp = 0;	546	op_exp = 0;
603	}	547	}
604	else if (op->type == RUNE \|\| op->type == TRAP)	548	else if (op->type == RUNE \|\| op->type == TRAP)
605	{ /* all traps. If stats.Cha > 1 we use that	549	{ /* all traps. If stats.Cha > 1 we use that
606	* for the amount of experience */	550	* for the amount of experience */
…		…
610	else	554	else
611	{ /* all other items/living creatures */	555	{ /* all other items/living creatures */
612	op_exp = op->stats.exp;	556	op_exp = op->stats.exp;
613	op_lvl = op->level;	557	op_lvl = op->level;
614	if (!QUERY_FLAG (op, FLAG_ALIVE))	558	if (!QUERY_FLAG (op, FLAG_ALIVE))
615	{ /* for ident/make items */	559	op_lvl += 5 * abs (op->magic); /* for ident/make items */
616	op_lvl += 5 * abs (op->magic);
617	}
618	}	560	}
619		561
620	if (op_lvl < 1)	562	if (op_lvl < 1)
621	op_lvl = 1;	563	op_lvl = 1;
622		564
…		…
630	/* if skill really is a skill, then we can look at the skill archetype for	572	/* if skill really is a skill, then we can look at the skill archetype for
631	* bse reward value (exp) and level multiplier factor.	573	* bse reward value (exp) and level multiplier factor.
632	*/	574	*/
633	if (skill->type == SKILL)	575	if (skill->type == SKILL)
634	{	576	{
635	base += skill->arch->clone.stats.exp;	577	base += skill->arch->stats.exp;
636	if (settings.simple_exp)	578	if (settings.simple_exp)
637	{	579	{
638	if (skill->arch->clone.level)	580	if (skill->arch->level)
639	lvl_mult = (float) skill->arch->clone.level / 100.0;	581	lvl_mult = (float) skill->arch->level / 100.0;
640	else	582	else
641	lvl_mult = 1.0; /* no adjustment */	583	lvl_mult = 1.0; /* no adjustment */
642	}	584	}
643	else	585	else
644	{	586	{
645	if (skill->level)	587	if (skill->level)
646	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	588	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
647	else	589	else
648	lvl_mult = 1.0;	590	lvl_mult = 1.0;
649	}	591	}
650	}	592	}
651	else	593	else
652	{	594	{
653	/* Don't divide by zero here! */	595	/* Don't divide by zero here! */
654	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	596	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
655	}	597	}
656	}	598	}
657		599
658	/* assemble the exp total, and return value */	600	/* assemble the exp total, and return value */
659		601
…		…
673	* This one actually teaches the player the skill as something	615	* This one actually teaches the player the skill as something
674	* they can equip.	616	* they can equip.
675	* Return 0 if the player knows the skill, 1 if the	617	* Return 0 if the player knows the skill, 1 if the
676	* player learns the skill, 2 otherwise.	618	* player learns the skill, 2 otherwise.
677	*/	619	*/
678
679	int	620	int
680	learn_skill (object pl, object scroll)	621	learn_skill (object pl, object scroll)
681	{	622	{
682	object *tmp;
683
684	if (!scroll->skill)	623	if (!scroll->skill)
685	{	624	{
686	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	625	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
687	return 2;	626	return 2;
688	}	627	}
689		628
690	/* can't use find_skill_by_name because we want skills the player knows	629	object *tmp = find_skill (pl, scroll->skill);
691	* but can't use natively.
692	*/
693
694	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
695	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
696	break;
697		630
698	/* player already knows it */	631	/* player already knows it */
699	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	632	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
700	return 0;	633	return 0;
701
702
703		634
704	/* now a random change to learn, based on player Int.	635	/* now a random change to learn, based on player Int.
705	* give bonus based on level - otherwise stupid characters	636	* give bonus based on level - otherwise stupid characters
706	* might never be able to learn anything.	637	* might never be able to learn anything.
707	*/	638	*/
…		…
716	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);	647	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
717	return 2;	648	return 2;
718	}	649	}
719		650
720	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);	651	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);
721	link_player_skills (pl);	652
722	return 1;	653	return 1;
723	}	654	}
724		655
725	/* Gives a percentage clipped to 0% -> 100% of a/b. */	656	/* Gives a percentage clipped to 0% -> 100% of a/b. */
726
727	/* Probably belongs in some global utils-type file? */	657	/* Probably belongs in some global utils-type file? */
728	static int	658	static int
729	clipped_percent (sint64 a, sint64 b)	659	clipped_percent (sint64 a, sint64 b)
730	{	660	{
731	int rv;	661	int rv;
…		…
751	* Note this function is a bit more complicated becauase we	681	* Note this function is a bit more complicated becauase we
752	* we want ot sort the skills before printing them. If we	682	* we want ot sort the skills before printing them. If we
753	* just dumped this as we found it, this would be a bit	683	* just dumped this as we found it, this would be a bit
754	* simpler.	684	* simpler.
755	*/	685	*/
756		686	//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
757	void	687	void
758	show_skills (object op, const char search)	688	show_skills (object pl, const char search)
759	{	689	{
760	object *tmp = NULL;
761	char buf[MAX_BUF];
762	const char *cp;	690	const char *cp;
763	int i, num_skills_found = 0;	691	int i, num_skills_found = 0;
764	static const char *const periods = "........................................";	692	const char *const periods = ".............................."; // 30
765		693
766	/* Need to have a pointer and use strdup for qsort to work properly */	694	/* Need to have a pointer and use strdup for qsort to work properly */
767	char skills[NUM_SKILLS][MAX_BUF];	695	char skills[NUM_SKILLS][128]; // d'oh
768		696
		697	object *op = pl->contr->ob;
769		698
770	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	699	for (object *tmp = op->inv; tmp; tmp = tmp->below)
771	{	700	{
772	if (tmp->type == SKILL)	701	if (tmp->type == SKILL)
773	{	702	{
774	if (search && strstr (tmp->name, search) == NULL)	703	if (search && !tmp->name.contains (search))
775	continue;	704	continue;
		705
		706	char buf[30];
		707
776	/* Basically want to fill this out to 40 spaces with periods */	708	/* Basically want to fill this out to 30 spaces with periods */
777	sprintf (buf, "%s%s", &tmp->name, periods);	709	snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
778	buf[40] = 0;
779		710
780	if (settings.permanent_exp_ratio)	711	if (settings.permanent_exp_ratio)
781	{
782	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld/%d%%)",	712	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
783	buf, tmp->level,	713	buf, tmp->level, tmp->stats.exp,
784	(long long) tmp->stats.exp,
785	(long long) level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));	714	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
786	}
787	else	715	else
788	{
789	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld)",	716	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
790	buf, tmp->level, (long long) tmp->stats.exp, (long long) level_exp (tmp->level + 1, op->expmul));	717	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
791	}	718
792	/* I don't know why some characters get a bunch of skills, but	719	/* I don't know why some characters get a bunch of skills, but
793	* it sometimes happens (maybe a leftover from bugier earlier code	720	* it sometimes happens (maybe a leftover from bugier earlier code
794	* and those character are still about). In any case, lets handle	721	* and those character are still about). In any case, lets handle
795	* it so it doesn't crash the server - otherwise, one character may	722	* it so it doesn't crash the server - otherwise, one character may
796	* crash the server numerous times.	723	* crash the server numerous times.
797	*/	724	*/
798	if (num_skills_found >= NUM_SKILLS)	725	if (num_skills_found >= NUM_SKILLS)
799	{	726	{
800	new_draw_info (NDI_RED, 0, op, "Your character has too many skills.");	727	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Your character has too many skills.");
801	new_draw_info (NDI_RED, 0, op, "Something isn't right - contact the server admin");	728	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Something isn't right - contact the server admin");
802	break;	729	break;
803	}	730	}
804	}	731	}
805	}	732	}
806		733
807	clear_win_info (op);	734	dynbuf_text &msg = msg_dynbuf; msg.clear ();
808	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	735
		736	msg << "T<Player skills:>\n\n";
809	if (num_skills_found > 1)	737	if (num_skills_found > 1)
810	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) strcmp);	738	qsort (skills, num_skills_found, sizeof (skills [0]), (int ()(const void , const void *)) std::strcmp);
811		739
812	for (i = 0; i < num_skills_found; i++)	740	for (i = 0; i < num_skills_found; i++)
813	{	741	msg << " C<" << skills [i] << ">\n";
814	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);
815	}
816		742
817	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	743	msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
818		744
819	cp = determine_god (op);	745	cp = determine_god (op);
820	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	746	msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
821		747
822	new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n",	748	msg << "Your equipped item power is " << (int)op->contr->item_power
823	op->contr->item_power, (int) (op->level * settings.item_power_factor));	749	<< " out of " << int (op->level * settings.item_power_factor)
		750	<< ".\n";
		751
		752	pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
824	}	753	}
825		754
826	/* use_skill() - similar to invoke command, it executes the skill in the	755	/* use_skill() - similar to invoke command, it executes the skill in the
827	* direction that the user is facing. Returns false if we are unable to	756	* direction that the user is facing. Returns false if we are unable to
828	* change to the requested skill, or were unable to use the skill properly.	757	* change to the requested skill, or were unable to use the skill properly.
829	* This is tricky because skills can have spaces. We basically roll	758	* This is tricky because skills can have spaces. We basically roll
830	* our own find_skill_by_name so we can try to do better string matching.	759	* our own find_skill_by_name so we can try to do better string matching.
831	*/	760	*/
832
833	int	761	int
834	use_skill (object op, const char string)	762	use_skill (object op, const char string)
835	{	763	{
836	object *skop;	764	object *skop;
837	size_t len;	765	size_t len;
838		766
839	if (!string)	767	if (!string)
840	return 0;	768	return 0;
841		769
842	for (skop = op->inv; skop != NULL; skop = skop->below)	770	for (skop = op->inv; skop; skop = skop->below)
843	{	771	if ((skop->type == SKILL \|\| skop->type == SKILL_TOOL)
844	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&
845	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	772	&& !strncmp (string, skop->skill, min (strlen (string), strlen (skop->skill))))
		773	{
		774	skop = find_skill_by_name (op, skop->skill);
846	break;	775	break;
847	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
848	break;
849	}	776	}
		777
850	if (!skop)	778	if (!skop)
851	{	779	{
852	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	780	op->failmsgf ("Unable to find skill %s.", string);
		781	return 0;
		782	}
		783
		784	if (!(skill_flags [skop->subtype] & SF_USE))
		785	{
		786	op->failmsgf (
		787	"You feel as if you wanted to do something funny, but you can't remember what. "
		788	"H<The %s skill cannot be C<use_skill>'ed - maybe you need to C<ready_skill> it, "
		789	"use it with some item, or it's always active.>",
		790	&skop->skill
		791	);
853	return 0;	792	return 0;
854	}	793	}
855		794
856	len = strlen (skop->skill);	795	len = strlen (skop->skill);
857		796
…		…
859	* options given to the skill. Its pretty simple - if there	798	* options given to the skill. Its pretty simple - if there
860	* are extra parameters (as deteremined by string length), we	799	* are extra parameters (as deteremined by string length), we
861	* want to skip over any leading spaces.	800	* want to skip over any leading spaces.
862	*/	801	*/
863	if (len >= strlen (string))	802	if (len >= strlen (string))
864	{
865	string = NULL;	803	string = NULL;
866	}
867	else	804	else
868	{	805	{
869	string += len;	806	string += len;
870	while (*string == 0x20)	807	while (*string == 0x20)
871	string++;	808	string++;
		809
872	if (strlen (string) == 0)	810	if (strlen (string) == 0)
873	string = NULL;	811	string = NULL;
874	}	812	}
875		813
876	#ifdef SKILL_UTIL_DEBUG	814	#ifdef SKILL_UTIL_DEBUG
877	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	815	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
878	#endif	816	#endif
879		817
880	/* Change to the new skill, then execute it. */
881	if (do_skill (op, op, skop, op->facing, string))	818	if (do_skill (op, op, skop, op->facing, string))
882	return 1;	819	return 1;
883		820
884	return 0;	821	return 0;
885	}	822	}
886		823
		824	static bool
		825	hth_skill_p (object *skill)
		826	{
		827	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_ITEM)) == SF_COMBAT;
		828	}
887		829
888
889	/* This finds the best unarmed skill the player has, and returns	830	/* This finds the first unarmed skill the player has, and returns it.
890	* it. Best can vary a little - we consider clawing to always
891	* be the best for dragons.
892	* This could be more intelligent, eg, look at the skill level
893	* of the skill and go from there (eg, a level 40 puncher is
894	* is probably better than level 1 karate). OTOH, if you
895	* don't bother to set up your skill properly, that is the players
896	* problem (although, it might be nice to have a preferred skill
897	* field the player can set.
898	* Unlike the old code, we don't give out any skills - it is
899	* possible you just don't have any ability to get into unarmed
900	* combat. If everyone race/class should have one, this should
901	* be handled in the starting treasurelists, not in the code.
902	*/	831	*/
903	static object *	832	static object *
904	find_best_player_hth_skill (object *op)	833	find_player_hth_skill (object *op)
905	{	834	{
906	object tmp, best_skill = NULL;
907	int dragon = is_dragon_pl (op), last_skill = sizeof (unarmed_skills), i;
908
909	for (tmp = op->inv; tmp; tmp = tmp->below)	835	for (object *tmp = op->inv; tmp; tmp = tmp->below)
910	{	836	if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp))
911	if (tmp->type == SKILL)
912	{
913	if (dragon && tmp->subtype == SK_CLAWING)
914	return tmp;	837	return tmp;
915		838
916	/* The order in the array is preferred order. So basically,	839	return 0;
917	* we just cut down the number to search - eg, if we find a skill
918	* early on in flame touch, then we only need to look into the unarmed_array
919	* to the entry before flame touch - don't care about the entries afterward,
920	* because they are infrerior skills.
921	* if we end up finding the best skill (i==0) might as well return
922	* right away - can't get any better than that.
923	*/
924	for (i = 0; i < last_skill; i++)
925	{
926	if (tmp->subtype == unarmed_skills[i] && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
927	{
928	best_skill = tmp;
929	last_skill = i;
930	if (i == 0)
931	return best_skill;
932	}
933	}
934	}
935	}
936	return best_skill;
937	}	840	}
938		841
939	/* do_skill_attack() - We have got an appropriate opponent from either	842	/* do_skill_attack() - We have got an appropriate opponent from either
940	* move_player_attack() or skill_attack(). In this part we get on with	843	* move_player_attack() or skill_attack(). In this part we get on with
941	* attacking, take care of messages from the attack and changes in invisible.	844	* attacking, take care of messages from the attack and changes in invisible.
…		…
943	* tmp is the targetted monster.	846	* tmp is the targetted monster.
944	* op is what is attacking	847	* op is what is attacking
945	* string is passed along to describe what messages to describe	848	* string is passed along to describe what messages to describe
946	* the damage.	849	* the damage.
947	*/	850	*/
948
949	static int	851	static int
950	do_skill_attack (object tmp, object op, const char string, object skill)	852	do_skill_attack (object tmp, object op, const char string, object skill)
951	{	853	{
952	int success;
953
954	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))	854	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))
955	return RESULT_INT (0);	855	return RESULT_INT (0);
956		856
957	/* For Players only: if there is no ready weapon, and no "attack" skill	857	/* For Players only: if there is no ready weapon, and no "attack" skill
958	* is readied either then try to find a skill for the player to use.	858	* is readied either then try to find a skill for the player to use.
959	* it is presumed that if skill is set, it is a valid attack skill (eg,	859	* it is presumed that if skill is set, it is a valid attack skill (eg,
960	* the caller should have set it appropriately). We still want to pass	860	* the caller should have set it appropriately). We still want to pass
961	* through that code if skill is set to change to the skill.	861	* through that code if skill is set to change to the skill.
962	*/	862	*/
963	if (op->type == PLAYER)	863	if (player *pl = op->contr)
964	{	864	{
965	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	865	if (skill)
966	{	866	{
967	size_t i;
968
969	if (!skill)	867	if (!op->apply (skill))
		868	return 0;
		869	}
		870	else
		871	{
		872	if (!pl->combat_ob)
970	{	873	{
971	/* See if the players chosen skill is a combat skill, and use	874	if (QUERY_FLAG (op, FLAG_READY_WEAPON))
972	* it if appropriate.
973	*/
974	if (op->chosen_skill)
975	{	875	{
976	for (i = 0; i < sizeof (unarmed_skills); i++)	876	for (tmp = op->inv; tmp; tmp = tmp->below)
977	if (op->chosen_skill->subtype == unarmed_skills[i])	877	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
978	{
979	skill = op->chosen_skill;
980	break;	878	break;
981	}	879
		880	if (!tmp)
		881	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
		882
		883	pl->combat_ob = tmp;
982	}	884	}
983	/* If we didn't find a skill above, look harder for a good skill */	885
984	if (!skill)	886	if (!pl->combat_ob)
985	{	887	{
986	skill = find_best_player_hth_skill (op);	888	/* See if the players chosen skill is a combat skill, and use
987		889	* it if appropriate.
988	if (!skill)	890	*/
		891	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
		892	skill = op->chosen_skill;
		893	else
989	{	894	{
		895	skill = find_player_hth_skill (op);
		896
		897	if (!skill)
990	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");	898	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
991	return 0;
992	}	899	}
		900
		901	op->apply (skill);
993	}	902	}
994	}	903
995	if (skill != op->chosen_skill)	904	if (!pl->combat_ob)
996	{	905	{
997	/* now try to ready the new skill */	906	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
998	if (!change_skill (op, skill, 0))
999	{ /* oh oh, trouble! */
1000	new_draw_info_format (NDI_UNIQUE, 0, tmp, "Couldn't change to skill %s", &skill->name);
1001	return 0;	907	return 0;
1002	}	908	}
1003	}	909	}
		910
		911	if (!op->apply (pl->combat_ob))
		912	return 0;
1004	}	913	}
1005	else	914
		915	/* lose invisiblity/hiding status for running attacks */
		916	if (pl->tmp_invis)
1006	{	917	{
1007	/* Seen some crashes below where current_weapon is not set,	918	pl->tmp_invis = 0;
1008	* even though the flag says it is. So if current weapon isn't set,	919	op->invisible = 0;
1009	* do some work in trying to find the object to use.	920	op->flag [FLAG_HIDDEN] = 0;
1010	*/	921	update_object (op, UP_OBJ_CHANGE);
1011	if (!op->current_weapon)
1012	{
1013	object *tmp;
1014
1015	LOG (llevError, "Player %s does not have current weapon set but flag_ready_weapon is set\n", &op->name);
1016	for (tmp = op->inv; tmp; tmp = tmp->below)
1017	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
1018	break;
1019
1020	if (!tmp)
1021	{
1022	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
1023	op->current_weapon = NULL;
1024	return 0;
1025	}
1026	else
1027	{
1028	op->current_weapon = tmp;
1029	}
1030	}
1031
1032	/* Has ready weapon - make sure chosen_skill is set up properly */
1033	if (!op->chosen_skill \|\| op->current_weapon->skill != op->chosen_skill->skill)
1034	{
1035	change_skill (op, find_skill_by_name (op, op->current_weapon->skill), 1);
1036	}
1037	}	922	}
1038	}	923	}
1039		924
1040	/* lose invisiblity/hiding status for running attacks */
1041
1042	if (op->type == PLAYER && op->contr->tmp_invis)
1043	{
1044	op->contr->tmp_invis = 0;
1045	op->invisible = 0;
1046	op->hide = 0;
1047	update_object (op, UP_OBJ_FACE);
1048	}
1049
1050	success = attack_ob (tmp, op);	925	int success = attack_ob (tmp, op);
1051		926
1052	/* print appropriate messages to the player */	927	/* print appropriate messages to the player */
1053		928
1054	if (success && string != NULL && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	929	if (success && string && tmp && !QUERY_FLAG (tmp, FLAG_FREED))
1055	{	930	{
1056	if (op->type == PLAYER)	931	if (op->type == PLAYER)
1057	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	932	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
1058	else if (tmp->type == PLAYER)	933	else if (tmp->type == PLAYER)
1059	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	934	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
1060	}	935	}
		936
1061	return success;	937	return success;
1062	}	938	}
1063
1064		939
1065	/* skill_attack() - Core routine for use when we attack using a skills	940	/* skill_attack() - Core routine for use when we attack using a skills
1066	* system. In essence, this code handles	941	* system. In essence, this code handles
1067	* all skill-based attacks, ie hth, missile and melee weapons should be	942	* all skill-based attacks, i.e. hth, missile and melee weapons should be
1068	* treated here. If an opponent is already supplied by move_player(),	943	* treated here. If an opponent is already supplied by move_player(),
1069	* we move right onto do_skill_attack(), otherwise we find if an	944	* we move right onto do_skill_attack(), otherwise we find if an
1070	* appropriate opponent exists.	945	* appropriate opponent exists.
1071	*	946	*
1072	* This is called by move_player() and attack_hth()	947	* This is called by move_player() and attack_hth()
1073	*	948	*
1074	* Initial implementation by -bt thomas@astro.psu.edu	949	* Initial implementation by -bt thomas@astro.psu.edu
1075	*/	950	*/
1076
1077	int	951	int
1078	skill_attack (object tmp, object pl, int dir, const char string, object skill)	952	skill_attack (object tmp, object pl, int dir, const char string, object skill)
1079	{	953	{
1080	sint16 tx, ty;	954	sint16 tx, ty;
1081	mapstruct *m;	955	maptile *m;
1082	int mflags;	956	int mflags;
1083		957
1084	if (!dir)	958	if (!dir)
1085	dir = pl->facing;	959	dir = pl->facing;
		960
1086	tx = freearr_x[dir];	961	tx = freearr_x[dir];
1087	ty = freearr_y[dir];	962	ty = freearr_y[dir];
1088		963
1089	/* If we don't yet have an opponent, find if one exists, and attack.	964	/* If we don't yet have an opponent, find if one exists, and attack.
1090	* Legal opponents are the same as outlined in move_player_attack()	965	* Legal opponents are the same as outlined in move_player_attack()
1091	*/	966	*/
1092		967	if (!tmp)
1093	if (tmp == NULL)
1094	{	968	{
1095	m = pl->map;	969	m = pl->map;
1096	tx = pl->x + freearr_x[dir];	970	tx = pl->x + freearr_x[dir];
1097	ty = pl->y + freearr_y[dir];	971	ty = pl->y + freearr_y[dir];
1098		972
…		…
1102		976
1103	/* space must be blocked for there to be anything interesting to do */	977	/* space must be blocked for there to be anything interesting to do */
1104	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))	978	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))
1105	return 0;	979	return 0;
1106		980
1107	for (tmp = get_map_ob (m, tx, ty); tmp; tmp = tmp->above)	981	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)
1108	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	982	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)
1109	{	983	{
1110	/* Don't attack party members */	984	/* Don't attack party members */
1111	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	985	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1112	return 0;	986	return 0;
		987
1113	break;	988	break;
1114	}	989	}
1115	}	990	}
		991
1116	if (!tmp)	992	if (!tmp)
1117	{	993	{
1118	if (pl->type == PLAYER)	994	if (pl->type == PLAYER)
1119	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");	995	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");
		996
1120	return 0;	997	return 0;
1121	}	998	}
1122		999
1123	return do_skill_attack (tmp, pl, string, skill);	1000	return do_skill_attack (tmp, pl, string, skill);
1124	}	1001	}
1125
1126		1002
1127	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */	1003	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */
1128		1004
1129	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first	1005	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first
1130	* (attack_hth) we check for weapon use, etc in the second (the new	1006	* (attack_hth) we check for weapon use, etc in the second (the new
1131	* function skill_attack() we actually attack.	1007	* function skill_attack() we actually attack.
1132	*/	1008	*/
1133
1134	static int	1009	static int
1135	attack_hth (object pl, int dir, const char string, object *skill)	1010	attack_hth (object pl, int dir, const char string, object *skill)
1136	{	1011	{
1137	object enemy = NULL, weapon;	1012	object enemy = NULL, weapon;
1138		1013
…		…
1141	{	1016	{
1142	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))	1017	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))
1143	{	1018	{
1144	CLEAR_FLAG (weapon, FLAG_APPLIED);	1019	CLEAR_FLAG (weapon, FLAG_APPLIED);
1145	CLEAR_FLAG (pl, FLAG_READY_WEAPON);	1020	CLEAR_FLAG (pl, FLAG_READY_WEAPON);
1146	fix_player (pl);	1021	pl->update_stats ();
1147	if (pl->type == PLAYER)	1022	if (pl->type == PLAYER)
1148	{	1023	{
1149	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	1024	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1150	esrv_update_item (UPD_FLAGS, pl, weapon);	1025	esrv_update_item (UPD_FLAGS, pl, weapon);
1151	}	1026	}
		1027
1152	break;	1028	break;
1153	}	1029	}
1154	}	1030	}
		1031
1155	return skill_attack (enemy, pl, dir, string, skill);	1032	return skill_attack (enemy, pl, dir, string, skill);
1156	}	1033	}
1157
1158		1034
1159	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.	1035	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.
1160	* For now we are just checking to see if we have a ready weapon here.	1036	* For now we are just checking to see if we have a ready weapon here.
1161	* But there is a real neato possible feature of this scheme which	1037	* But there is a real neato possible feature of this scheme which
1162	* bears mentioning:	1038	* bears mentioning:
1163	* Since we are only calling this from do_skill() in the future	1039	* Since we are only calling this from do_skill() in the future
1164	* we may make this routine handle 'special' melee weapons attacks	1040	* we may make this routine handle 'special' melee weapons attacks
1165	* (like disarming manuever with sai) based on player SK_level and	1041	* (like disarming manuever with sai) based on player SK_level and
1166	* weapon type.	1042	* weapon type.
1167	*/	1043	*/
1168
1169	static int	1044	static int
1170	attack_melee_weapon (object op, int dir, const char string, object *skill)	1045	attack_melee_weapon (object op, int dir, const char string, object *skill)
1171	{	1046	{
1172		1047
1173	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1048	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))
1174	{	1049	{
1175	if (op->type == PLAYER)	1050	if (op->type == PLAYER)
1176	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1051	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
		1052
1177	return 0;	1053	return 0;
1178	}	1054	}
		1055
1179	return skill_attack (NULL, op, dir, string, skill);	1056	return skill_attack (NULL, op, dir, string, skill);
1180
1181	}	1057	}
		1058

Diff Legend

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.11 by root, Tue Sep 12 00:53:57 2006 UTC vs. Revision 1.92 by root, Sat Apr 10 04:54:10 2010 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.11 by root, Tue Sep 12 00:53:57 2006 UTC vs.
Revision 1.92 by root, Sat Apr 10 04:54:10 2010 UTC