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

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.23 by root, Tue Dec 26 08:55:00 2006 UTC vs.
Revision 1.76 by root, Mon Apr 27 01:38:49 2009 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copryight (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The author can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Created July 95 to separate skill utilities from actual skills -b.t. */	24	/* Created July 95 to separate skill utilities from actual skills -b.t. */
25		25
26	/* Reconfigured skills code to allow linking of skills to experience	26	/* Reconfigured skills code to allow linking of skills to experience
27	* categories. This is done solely through the init_new_exp_system() fctn.	27	* categories. This is done solely through the init_new_exp_system() fctn.
43	#include <object.h>	43	#include <object.h>
44	#include <sproto.h>	44	#include <sproto.h>
45	#include <living.h> /* for defs of STR,CON,DEX,etc. -b.t. */	45	#include <living.h> /* for defs of STR,CON,DEX,etc. -b.t. */
46	#include <spells.h>	46	#include <spells.h>
47		47
48	/* Table of unarmed attack skills. Terminated by -1. This	48	const uint8_t skill_flags[NUM_SKILLS] = {
49	* is also the list that we should try to use skills when	49	0, // SK_NONE
50	* automatically applying one for the player.	50	# define def(uc, flags) flags,
51	*/	51	# include "skillinc.h"
52	static uint8 unarmed_skills[] = {	52	# undef def
53	SK_KARATE,
54	SK_CLAWING,
55	SK_FLAME_TOUCH,
56	SK_SPARK_TOUCH,
57	SK_SHIVER,
58	SK_ACID_SPLASH,
59	SK_POISON_NAIL,
60	SK_PUNCHING,
61	(uint8)-1
62	};	53	};
63		54
64	static int attack_hth (object pl, int dir, const char string, object *skill);	55	static int attack_hth (object pl, int dir, const char string, object *skill);
65	static int attack_melee_weapon (object op, int dir, const char string, object *skill);	56	static int attack_melee_weapon (object op, int dir, const char string, object *skill);
66		57
…		…
69	* subtypes.	60	* subtypes.
70	*/	61	*/
71	void	62	void
72	init_skills (void)	63	init_skills (void)
73	{	64	{
74	int i;	65	for_all_archetypes (at)
75	archetype *at;
76
77	for (at = first_archetype; at != NULL; at = at->next)
78	if (at->clone.type == SKILL)	66	if (at->type == SKILL)
79	{	67	{
80	if (skill_names[at->clone.subtype] != NULL)	68	if (skill_names[at->subtype])
81	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",	69	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",
82	at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill);	70	at->subtype, &skill_names[at->subtype], &at->skill);
83	else	71	else
84	skill_names[at->clone.subtype] = at->clone.skill;	72	skill_names[at->subtype] = at->skill;
85	}	73	}
86		74
87	/* This isn't really an error if there is no skill subtype set, but	75	/* This isn't really an error if there is no skill subtype set, but
88	* checking for this may catch some user errors.	76	* checking for this may catch some user errors.
89	*/	77	*/
90	for (i = 1; i < NUM_SKILLS; i++)	78	for (int i = 1; i < NUM_SKILLS; i++)
91	{
92	if (!skill_names[i])	79	if (!skill_names[i])
93	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);	80	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);
94	}
95	}	81	}
96		82
97	/* This function goes through the player inventory and sets	83	/* This function goes through the player inventory and sets
98	* up the last_skills[] array in the player object.	84	* up the last_skills[] array in the player object.
99	* the last_skills[] is used to more quickly lookup skills -	85	* the last_skills[] is used to more quickly lookup skills -
100	* mostly used for sending exp.	86	* mostly used for sending exp.
101	*/	87	*/
102	void	88	void
103	link_player_skills (object *op)	89	player::link_skills ()
104	{	90	{
105	object *tmp;	91	for (int i = 0; i < NUM_SKILLS; ++i)
		92	last_skill_ob [i] = 0;
106		93
107	for (tmp = op->inv; tmp; tmp = tmp->below)	94	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
108	{
109	if (tmp->type == SKILL)	95	if (tmp->type == SKILL)
		96	{
		97	assert (IN_RANGE_EXC (tmp->subtype, 0, NUM_SKILLS));
		98
		99	if (last_skill_ob [tmp->subtype] != tmp)
110	{	100	{
111	/* This is really a warning, hence no else below */	101	/* This is really a warning, hence no else below */
112	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)	102	if (last_skill_ob [tmp->subtype])
113	{
114	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",	103	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
115	&op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);	104	&last_skill_ob [tmp->subtype]->skill, &tmp->skill);
		105
		106	last_skill_ob [tmp->subtype] = tmp;
		107	if (ns)
		108	ns->last_skill_exp [tmp->subtype] = -1;
116	}	109	}
117	if (tmp->subtype >= NUM_SKILLS)
118	{
119	LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);
120	}
121	else
122	{
123	op->contr->last_skill_ob[tmp->subtype] = tmp;
124	op->contr->last_skill_exp[tmp->subtype] = -1;
125	}
126	}	110	}
127	}	111	}
		112
		113	static object *
		114	find_skill (object *who, shstr_cmp name)
		115	{
		116	if (who->chosen_skill
		117	&& who->chosen_skill->skill == name
		118	&& who->chosen_skill->type == SKILL)
		119	return who->chosen_skill;
		120
		121	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		122	if (tmp->skill == name && tmp->type == SKILL)
		123	return splay (tmp);
		124
		125	return 0;
		126	}
		127
		128	object *player::find_skill (shstr_cmp name) const
		129	{
		130	// might want to use last_skill_obj at one point, or maybe not
		131	return ::find_skill (ob, name);
128	}	132	}
129		133
130	/* This returns the skill pointer of the given name (the	134	/* This returns the skill pointer of the given name (the
131	* one that accumlates exp, has the level, etc).	135	* one that accumulates exp, has the level, etc).
132	*	136	*
133	* It is presumed that the player will be needing to actually	137	* It is presumed that the player will be needing to actually
134	* use the skill, so thus if use of the skill requires a skill	138	* use the skill, so thus if use of the skill requires a skill
135	* tool, this code will equip it.	139	* tool, this code will equip it.
136	*/	140	*/
137	object *	141	object *
138	find_skill_by_name (object who, const char name)	142	find_skill_by_name (object *who, shstr_cmp sh)
139	{	143	{
140	object skill = NULL, skill_tool = NULL, *tmp;	144	object *skill_tool = 0;
141		145
142	if (!name)
143	return NULL;
144
145	/* We make sure the length of the string in the object is greater
146	* in length than the passed string. Eg, if we have a skill called
147	* 'hi', we don't want to match if the user passed 'high'
148	*/
149	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	146	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		147	if (tmp->skill == sh)
150	{	148	{
151	if (tmp->type == SKILL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	149	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))
152	skill = tmp;	150	/* If this is a skill that can be used without applying tool, return it */
153		151	return splay (tmp);
154	/* Try to find appropriate skilltool. If the player has one already	152	/* Try to find appropriate skilltool. If the player has one already
155	* applied, we try to keep using that one.	153	* applied, we try to keep using that one.
156	*/	154	*/
157	else if (tmp->type == SKILL_TOOL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	155	else if (tmp->type == SKILL_TOOL && !skill_tool)
158	{
159	if (QUERY_FLAG (tmp, FLAG_APPLIED))
160	skill_tool = tmp;	156	skill_tool = tmp;
161	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
162	skill_tool = tmp;
163	}	157	}
164	}	158
165	/* If this is a skill that can be used without a tool, return it */	159	if (!skill_tool)
166	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
167	return skill;	160	return 0;
168		161
169	/* Player has a tool to use the skill. IF not applied, apply it -	162	/* Player has a tool to use the skill. If not applied, apply it -
170	* if not successful, return null. If they do have the skill tool	163	* if not successful, return null. If they do have the skill tool
171	* but not the skill itself, give it to them.	164	* but not the skill itself, give it to them.
172	*/	165	*/
173	if (skill_tool)	166	object *skill = find_skill (who, skill_tool->skill);
174	{	167
175	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
176	{
177	if (apply_special (who, skill_tool, 0))
178	return NULL;
179	}
180	if (!skill)	168	if (!skill)
181	{
182	skill = give_skill_by_name (who, skill_tool->skill);	169	skill = give_skill_by_name (who, skill_tool->skill);
183	link_player_skills (who);	170
184	}	171	if (!skill_tool->flag [FLAG_APPLIED])
		172	if (apply_special (who, splay (skill_tool), AP_APPLY \| AP_NO_READY))
185	return skill;	173	return 0;
186	}	174
		175	return splay (skill);
		176	}
		177
		178	object *
		179	find_skill_by_name_fuzzy (object who, const char name)
		180	{
		181	if (!name)
		182	return 0;
		183
		184	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		185	if ((tmp->type == SKILL \|\| tmp->type == SKILL_TOOL)
		186	&& tmp->skill.starts_with (name))
		187	if (object *skop = find_skill_by_name (who, tmp->skill))
		188	return skop;
		189
187	return NULL;	190	return 0;
188	}	191	}
189
190		192
191	/* This returns the skill pointer of the given name (the	193	/* This returns the skill pointer of the given name (the
192	* one that accumlates exp, has the level, etc).	194	* one that accumulates exp, has the level, etc).
193	*	195	*
194	* It is presumed that the player will be needing to actually	196	* It is presumed that the player will be needing to actually
195	* use the skill, so thus if use of the skill requires a skill	197	* use the skill, so thus if use of the skill requires a skill
196	* tool, this code will equip it.	198	* tool, this code will equip it.
197	*	199	*
…		…
200	* this replaces find_skill.	202	* this replaces find_skill.
201	*/	203	*/
202	object *	204	object *
203	find_skill_by_number (object *who, int skillno)	205	find_skill_by_number (object *who, int skillno)
204	{	206	{
205	object skill = NULL, skill_tool = NULL, *tmp;
206
207	if (skillno < 1 \|\| skillno >= NUM_SKILLS)
208	return NULL;
209
210	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	207	for (object *tmp = who->inv; tmp; tmp = tmp->below)
211	{
212	if (tmp->type == SKILL && tmp->subtype == skillno)	208	if (tmp->type == SKILL && tmp->subtype == skillno)
213	skill = tmp;	209	if (object *skop = find_skill_by_name (who, tmp->skill))
214
215	/* Try to find appropriate skilltool. If the player has one already
216	* applied, we try to keep using that one.
217	*/
218	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)
219	{
220	if (QUERY_FLAG (tmp, FLAG_APPLIED))
221	skill_tool = tmp;
222	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
223	skill_tool = tmp;
224	}
225	}
226	/* If this is a skill that can be used without a tool, return it */
227	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
228	return skill;
229
230	/* Player has a tool to use the skill. IF not applied, apply it -
231	* if not successful, return null. If they do have the skill tool
232	* but not the skill itself, give it to them.
233	*/
234	if (skill_tool)
235	{
236	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
237	{
238	if (apply_special (who, skill_tool, 0))
239	return NULL;
240	}
241
242	if (!skill)
243	{
244	skill = give_skill_by_name (who, skill_tool->skill);
245	link_player_skills (who);
246	}
247
248	return skill;	210	return skop;
249	}
250		211
251	return NULL;	212	return 0;
252	}	213	}
253		214
254	/* This changes the objects skill to new_skill.	215	/* This changes the objects chosen_skill to new_skill.
255	* note that this function doesn't always need to get used -
256	* you can now add skill exp to the player without the chosen_skill being
257	* set. This function is of most interest to players to update
258	* the various range information.
259	* if new_skill is null, this just unapplies the skill.
260	* flag has the current meaning:
261	* 0x1: If set, don't update the range pointer. This is useful when we
262	* need to ready a new skill, but don't want to clobber range.
263	* return 1 on success, 0 on error	216	* return 1 on success, 0 on error
264	*/	217	*/
265		218	bool
266	int	219	object::change_skill (object *new_skill)
267	change_skill (object who, object new_skill, int flag)
268	{	220	{
269	int old_range;
270
271	if (who->type != PLAYER)	221	if (type != PLAYER)
272	return 0;	222	return 0;
273		223
274	old_range = who->contr->shoottype;	224	// optimise this supposedly common case
275		225	if (new_skill == chosen_skill)
276	if (who->chosen_skill && who->chosen_skill == new_skill)
277	{
278	/* optimization for changing skill to current skill */
279	if (who->type == PLAYER && !(flag & 0x1))
280	who->contr->shoottype = range_skill;
281
282	return 1;	226	return 1;
283	}
284		227
285	// move skill to front, so it will be preferred next time
286	new_skill->remove ();
287	who->insert (new_skill);
288
289	if (!new_skill \|\| who->chosen_skill)
290	if (who->chosen_skill)	228	if (chosen_skill)
291	apply_special (who, who->chosen_skill, AP_UNAPPLY);	229	{
		230	chosen_skill->flag [FLAG_APPLIED] = false;
		231	change_abil (this, chosen_skill);
		232	}
292		233
293	/* Only goal in this case was to unapply a skill */	234	chosen_skill = new_skill;
		235
294	if (!new_skill)	236	if (chosen_skill)
295	return 0;	237	{
		238	chosen_skill->flag [FLAG_APPLIED] = true;
		239	change_abil (this, chosen_skill);
		240	}
296		241
297	if (apply_special (who, new_skill, AP_APPLY))	242	// always clear current weapon, as the selected skill could
298	return 0;	243	// conflict with the current weapon skill, which would go
		244	// undetected and exp would be given to the wrong skill.
		245	current_weapon = 0;
299		246
300	if (flag & 0x1)	247	update_stats ();
301	who->contr->shoottype = (rangetype)old_range;
302
303	return 1;	248	return 1;
304	}
305
306	/* This function just clears the chosen_skill and range_skill values
307	* inthe player.
308	*/
309	void
310	clear_skill (object *who)
311	{
312	who->chosen_skill = NULL;
313	CLEAR_FLAG (who, FLAG_READY_SKILL);
314	if (who->type == PLAYER)
315	{
316	who->contr->ranges[range_skill] = NULL;
317	if (who->contr->shoottype == range_skill)
318	who->contr->shoottype = range_none;
319	}
320	}	249	}
321		250
322	/* do_skill() - Main skills use function-similar in scope to cast_spell().	251	/* do_skill() - Main skills use function-similar in scope to cast_spell().
323	* We handle all requests for skill use outside of some combat here.	252	* We handle all requests for skill use outside of some combat here.
324	* We require a separate routine outside of fire() so as to allow monsters	253	* We require a separate routine outside of fire() so as to allow monsters
…		…
327	* exp - no caller needed that info, but it also prevented the callers	256	* exp - no caller needed that info, but it also prevented the callers
328	* from know if a skill was actually used, as many skills don't	257	* from know if a skill was actually used, as many skills don't
329	* give any exp for their direct use (eg, throwing).	258	* give any exp for their direct use (eg, throwing).
330	* It returns 0 if no skill was used.	259	* It returns 0 if no skill was used.
331	*/	260	*/
332
333	int	261	int
334	do_skill (object op, object part, object skill, int dir, const char string)	262	do_skill (object op, object part, object skill, int dir, const char string)
335	{	263	{
336	int success = 0, exp = 0;	264	int success = 0, exp = 0;
337	int did_alc = 0;
338	object tmp, next;
339		265
340	if (!skill)	266	if (!skill)
341	return 0;	267	return 0;
342		268
343	/* The code below presumes that the skill points to the object that	269	/* The code below presumes that the skill points to the object that
…		…
345	* go and try to find the actual real skill pointer, and if the	271	* go and try to find the actual real skill pointer, and if the
346	* the player doesn't have a bucket for that, create one.	272	* the player doesn't have a bucket for that, create one.
347	*/	273	*/
348	if (skill->type != SKILL && op->type == PLAYER)	274	if (skill->type != SKILL && op->type == PLAYER)
349	{	275	{
350	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	276	for (object *tmp = op->inv; tmp; tmp = tmp->below)
351	{
352	if (tmp->type == SKILL && tmp->skill == skill->skill)	277	if (tmp->type == SKILL && tmp->skill == skill->skill)
353	break;	278	{
		279	skill = tmp;
		280	goto found;
354	}	281	}
355	if (!tmp)	282
356	tmp = give_skill_by_name (op, skill->skill);	283	skill = give_skill_by_name (op, skill->skill);
357	skill = tmp;	284	found: ;
358	}	285	}
359		286
360	// skill, by_whom, on_which_object, which direction, skill_argument	287	// skill, by_whom, on_which_object, which direction, skill_argument
361	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))	288	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))
362	return 0;	289	return 0;
363		290
364	switch (skill->subtype)	291	switch (skill->subtype)
365	{	292	{
366	case SK_LEVITATION:	293	case SK_LEVITATION:
367	/* Not 100% sure if this will work with new movement code -	294	/* Not 100% sure if this will work with new movement code -
368	* the levitation skill has move_type for flying, so when	295	* the levitation skill has move_type for flying, so when
369	* equipped, that should transfer to player, when not,	296	* equipped, that should transfer to player, when not,
370	* shouldn't.	297	* shouldn't.
371	*/	298	*/
372	if (QUERY_FLAG (skill, FLAG_APPLIED))	299	if (QUERY_FLAG (skill, FLAG_APPLIED))
373	{	300	{
374	CLEAR_FLAG (skill, FLAG_APPLIED);	301	CLEAR_FLAG (skill, FLAG_APPLIED);
375	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	302	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
376	}	303	}
377	else	304	else
378	{	305	{
379	SET_FLAG (skill, FLAG_APPLIED);	306	SET_FLAG (skill, FLAG_APPLIED);
380	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	307	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
381	}	308	}
		309
382	op->update_stats ();	310	op->update_stats ();
383	success = 1;	311	success = 1;
384	break;	312	break;
385		313
386	case SK_STEALING:	314	case SK_STEALING:
387	exp = success = steal (op, dir, skill);	315	exp = success = steal (op, dir, skill);
388	break;	316	break;
389		317
390	case SK_LOCKPICKING:	318	case SK_LOCKPICKING:
391	exp = success = pick_lock (op, dir, skill);	319	exp = success = pick_lock (op, dir, skill);
392	break;	320	break;
393		321
394	case SK_HIDING:	322	case SK_HIDING:
395	exp = success = hide (op, skill);	323	exp = success = hide (op, skill);
396	break;	324	break;
397		325
398	case SK_JUMPING:	326	case SK_JUMPING:
399	success = jump (op, dir, skill);	327	exp = success = jump (op, dir, skill);
400	break;	328	break;
401		329
402	case SK_INSCRIPTION:	330	case SK_INSCRIPTION:
403	exp = success = write_on_item (op, string, skill);	331	exp = success = write_on_item (op, string, skill);
404	break;	332	break;
405		333
406	case SK_MEDITATION:	334	case SK_MEDITATION:
407	meditate (op, skill);	335	meditate (op, skill);
408	success = 1;	336	success = 1;
409	break;	337	break;
410	/* note that the following 'attack' skills gain exp through hit_player() */	338	/* note that the following 'attack' skills gain exp through hit_player() */
411		339
412	case SK_KARATE:	340	case SK_KARATE:
413	(void) attack_hth (op, dir, "karate-chopped", skill);	341	attack_hth (op, dir, "karate-chopped", skill);
414	break;	342	break;
415		343
416	case SK_PUNCHING:	344	case SK_PUNCHING:
417	(void) attack_hth (op, dir, "punched", skill);	345	attack_hth (op, dir, "punched", skill);
418	break;	346	break;
419		347
420	case SK_FLAME_TOUCH:	348	case SK_FLAME_TOUCH:
421	(void) attack_hth (op, dir, "flamed", skill);	349	attack_hth (op, dir, "flamed", skill);
422	break;	350	break;
423		351
424	case SK_SPARK_TOUCH:	352	case SK_SPARK_TOUCH:
425	(void) attack_hth (op, dir, "zapped", skill);	353	attack_hth (op, dir, "zapped", skill);
426	break;	354	break;
427		355
428	case SK_SHIVER:	356	case SK_SHIVER:
429	(void) attack_hth (op, dir, "froze", skill);	357	attack_hth (op, dir, "froze", skill);
430	break;	358	break;
431		359
432	case SK_ACID_SPLASH:	360	case SK_ACID_SPLASH:
433	(void) attack_hth (op, dir, "dissolved", skill);	361	attack_hth (op, dir, "dissolved", skill);
434	break;	362	break;
435		363
436	case SK_POISON_NAIL:	364	case SK_POISON_NAIL:
437	(void) attack_hth (op, dir, "injected poison into", skill);	365	attack_hth (op, dir, "injected poison into", skill);
438	break;	366	break;
439		367
440	case SK_CLAWING:	368	case SK_CLAWING:
441	(void) attack_hth (op, dir, "clawed", skill);	369	attack_hth (op, dir, "clawed", skill);
442	break;	370	break;
443		371
444	case SK_ONE_HANDED_WEAPON:	372	case SK_ONE_HANDED_WEAPON:
445	case SK_TWO_HANDED_WEAPON:	373	case SK_TWO_HANDED_WEAPON:
446	(void) attack_melee_weapon (op, dir, NULL, skill);	374	attack_melee_weapon (op, dir, NULL, skill);
447	break;	375	break;
448		376
449	case SK_FIND_TRAPS:	377	case SK_FIND_TRAPS:
450	exp = success = find_traps (op, skill);	378	exp = success = find_traps (op, skill);
451	break;	379	break;
452		380
453	case SK_SINGING:	381	case SK_SINGING:
454	exp = success = singing (op, dir, skill);	382	exp = success = singing (op, dir, skill);
455	break;	383	break;
456		384
457	case SK_ORATORY:	385	case SK_ORATORY:
458	exp = success = use_oratory (op, dir, skill);	386	exp = success = use_oratory (op, dir, skill);
459	break;	387	break;
460		388
461	case SK_SMITHERY:	389	case SK_SMITHERY:
462	case SK_BOWYER:	390	case SK_BOWYER:
463	case SK_JEWELER:	391	case SK_JEWELER:
464	case SK_ALCHEMY:	392	case SK_ALCHEMY:
465	case SK_THAUMATURGY:	393	case SK_THAUMATURGY:
466	case SK_LITERACY:	394	case SK_LITERACY:
467	case SK_WOODSMAN:	395	case SK_WOODSMAN:
468	/* first, we try to find a cauldron, and do the alchemy thing.	396	/* first, we try to find a cauldron, and do the alchemy thing.
469	* failing that, we go and identify stuff.	397	* failing that, we go and identify stuff.
470	*/	398	*/
		399	{
		400	bool found_cauldron = false;
		401
471	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = next)	402	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
472	{	403	{
473	next = tmp->above;	404	next = tmp->above;
474		405
475	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	406	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))
476	{	407	{
		408	found_cauldron = true;
		409
		410	if (tmp->skill != skill->skill)
		411	{
		412	op->failmsg (format ("You can't use the %s with the %s skill!",
		413	query_name (tmp),
		414	query_name (skill)));
		415	break;
		416	}
		417
477	attempt_do_alchemy (op, tmp);	418	attempt_do_alchemy (op, tmp, skill);
478		419
479	if (QUERY_FLAG (tmp, FLAG_APPLIED))	420	if (QUERY_FLAG (tmp, FLAG_APPLIED))
480	esrv_send_inventory (op, tmp);	421	esrv_send_inventory (op, tmp);
481
482	did_alc = 1;
483	}	422	}
484	}	423	}
485		424
486	if (did_alc == 0)	425	if (!found_cauldron)
487	exp = success = skill_ident (op, skill);	426	exp = success = skill_ident (op, skill);
488		427	}
489	break;	428	break;
490		429
491	case SK_DET_MAGIC:	430	case SK_DET_MAGIC:
492	case SK_DET_CURSE:	431	case SK_DET_CURSE:
493	exp = success = skill_ident (op, skill);	432	exp = success = skill_ident (op, skill);
494	break;	433	break;
495		434
496	case SK_DISARM_TRAPS:	435	case SK_DISARM_TRAPS:
497	exp = success = remove_trap (op, dir, skill);	436	exp = success = remove_trap (op, dir, skill);
498	break;	437	break;
499		438
500	case SK_THROWING:	439	case SK_THROWING:
501	success = skill_throw (op, part, dir, string, skill);	440	success = skill_throw (op, part, dir, string, skill);
502	break;	441	break;
503		442
504	case SK_SET_TRAP:	443	case SK_SET_TRAP:
505	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");	444	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");
506	break;	445	break;
507		446
508	case SK_USE_MAGIC_ITEM:	447	case SK_USE_MAGIC_ITEM:
509	case SK_MISSILE_WEAPON:	448	case SK_MISSILE_WEAPON:
510	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");	449	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");
511	break;	450	break;
512		451
513	case SK_PRAYING:	452	case SK_PRAYING:
514	success = pray (op, skill);	453	success = pray (op, skill);
515	break;	454	break;
516		455
517	case SK_BARGAINING:	456	case SK_BARGAINING:
518	success = describe_shop (op);	457	success = describe_shop (op);
519	break;	458	break;
520		459
521	case SK_SORCERY:	460	case SK_SORCERY:
522	case SK_EVOCATION:	461	case SK_EVOCATION:
523	case SK_PYROMANCY:	462	case SK_PYROMANCY:
524	case SK_SUMMONING:	463	case SK_SUMMONING:
525	case SK_CLIMBING:	464	case SK_CLIMBING:
526	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	465	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
527	break;	466	break;
528		467
529	default:	468	default:
530	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	469	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
531	break;	470	break;
532	}	471	}
533		472
534	/* For players we now update the speed_left from using the skill.	473	/* For players we now update the speed_left from using the skill.
535	* Monsters have no skill use time because of the random nature in	474	* Monsters have no skill use time because of the random nature in
536	* which use_monster_skill is called already simulates this.	475	* which use_monster_skill is called already simulates this.
537	* If certain skills should take more/less time, that should be	476	* If certain skills should take more/less time, that should be
538	* in the code for the skill itself.	477	* in the code for the skill itself.
539	*/	478	*/
540
541	if (op->type == PLAYER)	479	if (op->type == PLAYER)
542	op->speed_left -= 1.0;	480	op->speed_left -= 1.f;
543		481
544	/* this is a good place to add experience for successfull use of skills.	482	/* this is a good place to add experience for successfull use of skills.
545	* Note that add_exp() will figure out player/monster experience	483	* Note that add_exp() will figure out player/monster experience
546	* gain problems.	484	* gain problems.
547	*/	485	*/
…		…
575	* op is the object that was 'defeated'.	513	* op is the object that was 'defeated'.
576	* skill is the skill used. If no skill is used, it should just	514	* skill is the skill used. If no skill is used, it should just
577	* point back to who.	515	* point back to who.
578	*	516	*
579	*/	517	*/
580
581	int	518	int
582	calc_skill_exp (object who, object op, object *skill)	519	calc_skill_exp (object who, object op, object *skill)
583	{	520	{
584	int op_exp = 0, op_lvl = 0;	521	int op_exp = 0, op_lvl = 0;
585	float base, value, lvl_mult = 0.0;	522	float base, value, lvl_mult = 0.0;
…		…
594	* If an object is not alive and magical we set the base exp higher to	531	* If an object is not alive and magical we set the base exp higher to
595	* help out exp awards for skill_ident skills. Also, if	532	* help out exp awards for skill_ident skills. Also, if
596	* an item is type RUNE, we give out exp based on stats.Cha	533	* an item is type RUNE, we give out exp based on stats.Cha
597	* and level (this was the old system) -b.t.	534	* and level (this was the old system) -b.t.
598	*/	535	*/
599
600	if (!op)	536	if (!op)
601	{ /* no item/creature */	537	{ /* no item/creature */
602	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	538	op_lvl = max (1, who->map->difficulty);
603	op_exp = 0;	539	op_exp = 0;
604	}	540	}
605	else if (op->type == RUNE \|\| op->type == TRAP)	541	else if (op->type == RUNE \|\| op->type == TRAP)
606	{ /* all traps. If stats.Cha > 1 we use that	542	{ /* all traps. If stats.Cha > 1 we use that
607	* for the amount of experience */	543	* for the amount of experience */
…		…
611	else	547	else
612	{ /* all other items/living creatures */	548	{ /* all other items/living creatures */
613	op_exp = op->stats.exp;	549	op_exp = op->stats.exp;
614	op_lvl = op->level;	550	op_lvl = op->level;
615	if (!QUERY_FLAG (op, FLAG_ALIVE))	551	if (!QUERY_FLAG (op, FLAG_ALIVE))
616	{ /* for ident/make items */	552	op_lvl += 5 * abs (op->magic); /* for ident/make items */
617	op_lvl += 5 * abs (op->magic);
618	}
619	}	553	}
620		554
621	if (op_lvl < 1)	555	if (op_lvl < 1)
622	op_lvl = 1;	556	op_lvl = 1;
623		557
…		…
631	/* if skill really is a skill, then we can look at the skill archetype for	565	/* if skill really is a skill, then we can look at the skill archetype for
632	* bse reward value (exp) and level multiplier factor.	566	* bse reward value (exp) and level multiplier factor.
633	*/	567	*/
634	if (skill->type == SKILL)	568	if (skill->type == SKILL)
635	{	569	{
636	base += skill->arch->clone.stats.exp;	570	base += skill->arch->stats.exp;
637	if (settings.simple_exp)	571	if (settings.simple_exp)
638	{	572	{
639	if (skill->arch->clone.level)	573	if (skill->arch->level)
640	lvl_mult = (float) skill->arch->clone.level / 100.0;	574	lvl_mult = (float) skill->arch->level / 100.0;
641	else	575	else
642	lvl_mult = 1.0; /* no adjustment */	576	lvl_mult = 1.0; /* no adjustment */
643	}	577	}
644	else	578	else
645	{	579	{
646	if (skill->level)	580	if (skill->level)
647	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	581	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
648	else	582	else
649	lvl_mult = 1.0;	583	lvl_mult = 1.0;
650	}	584	}
651	}	585	}
652	else	586	else
653	{	587	{
654	/* Don't divide by zero here! */	588	/* Don't divide by zero here! */
655	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	589	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
656	}	590	}
657	}	591	}
658		592
659	/* assemble the exp total, and return value */	593	/* assemble the exp total, and return value */
660		594
…		…
674	* This one actually teaches the player the skill as something	608	* This one actually teaches the player the skill as something
675	* they can equip.	609	* they can equip.
676	* Return 0 if the player knows the skill, 1 if the	610	* Return 0 if the player knows the skill, 1 if the
677	* player learns the skill, 2 otherwise.	611	* player learns the skill, 2 otherwise.
678	*/	612	*/
679
680	int	613	int
681	learn_skill (object pl, object scroll)	614	learn_skill (object pl, object scroll)
682	{	615	{
683	object *tmp;
684
685	if (!scroll->skill)	616	if (!scroll->skill)
686	{	617	{
687	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	618	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
688	return 2;	619	return 2;
689	}	620	}
690		621
691	/* can't use find_skill_by_name because we want skills the player knows	622	object *tmp = find_skill (pl, scroll->skill);
692	* but can't use natively.
693	*/
694
695	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
696	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
697	break;
698		623
699	/* player already knows it */	624	/* player already knows it */
700	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	625	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
701	return 0;	626	return 0;
702		627
…		…
715	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);	640	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
716	return 2;	641	return 2;
717	}	642	}
718		643
719	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);	644	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);
720	link_player_skills (pl);	645
721	return 1;	646	return 1;
722	}	647	}
723		648
724	/* Gives a percentage clipped to 0% -> 100% of a/b. */	649	/* Gives a percentage clipped to 0% -> 100% of a/b. */
725
726	/* Probably belongs in some global utils-type file? */	650	/* Probably belongs in some global utils-type file? */
727	static int	651	static int
728	clipped_percent (sint64 a, sint64 b)	652	clipped_percent (sint64 a, sint64 b)
729	{	653	{
730	int rv;	654	int rv;
…		…
750	* Note this function is a bit more complicated becauase we	674	* Note this function is a bit more complicated becauase we
751	* we want ot sort the skills before printing them. If we	675	* we want ot sort the skills before printing them. If we
752	* just dumped this as we found it, this would be a bit	676	* just dumped this as we found it, this would be a bit
753	* simpler.	677	* simpler.
754	*/	678	*/
755		679	//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
756	void	680	void
757	show_skills (object op, const char search)	681	show_skills (object pl, const char search)
758	{	682	{
759	object *tmp = NULL;
760	char buf[MAX_BUF];
761	const char *cp;	683	const char *cp;
762	int i, num_skills_found = 0;	684	int i, num_skills_found = 0;
763	static const char *const periods = "........................................";	685	const char *const periods = ".............................."; // 30
764		686
765	/* Need to have a pointer and use strdup for qsort to work properly */	687	/* Need to have a pointer and use strdup for qsort to work properly */
766	char skills[NUM_SKILLS][MAX_BUF];	688	char skills[NUM_SKILLS][128]; // d'oh
767		689
		690	object *op = pl->contr->ob;
768		691
769	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	692	for (object *tmp = op->inv; tmp; tmp = tmp->below)
770	{	693	{
771	if (tmp->type == SKILL)	694	if (tmp->type == SKILL)
772	{	695	{
773	if (search && strstr (tmp->name, search) == NULL)	696	if (search && !tmp->name.contains (search))
774	continue;	697	continue;
		698
		699	char buf[30];
		700
775	/* Basically want to fill this out to 40 spaces with periods */	701	/* Basically want to fill this out to 30 spaces with periods */
776	sprintf (buf, "%s%s", &tmp->name, periods);	702	snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
777	buf[40] = 0;
778		703
779	if (settings.permanent_exp_ratio)	704	if (settings.permanent_exp_ratio)
780	{
781	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",	705	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
782	buf, tmp->level, tmp->stats.exp,	706	buf, tmp->level, tmp->stats.exp,
783	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));	707	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
784	}
785	else	708	else
786	{
787	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",	709	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
788	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));	710	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
789	}	711
790	/* I don't know why some characters get a bunch of skills, but	712	/* I don't know why some characters get a bunch of skills, but
791	* it sometimes happens (maybe a leftover from bugier earlier code	713	* it sometimes happens (maybe a leftover from bugier earlier code
792	* and those character are still about). In any case, lets handle	714	* and those character are still about). In any case, lets handle
793	* it so it doesn't crash the server - otherwise, one character may	715	* it so it doesn't crash the server - otherwise, one character may
794	* crash the server numerous times.	716	* crash the server numerous times.
…		…
800	break;	722	break;
801	}	723	}
802	}	724	}
803	}	725	}
804		726
805	clear_win_info (op);	727	dynbuf_text &msg = msg_dynbuf; msg.clear ();
806	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	728
		729	msg << "T<Player skills:>\n\n";
807	if (num_skills_found > 1)	730	if (num_skills_found > 1)
808	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) strcmp);	731	qsort (skills, num_skills_found, sizeof (skills [0]), (int ()(const void , const void *)) std::strcmp);
809		732
810	for (i = 0; i < num_skills_found; i++)	733	for (i = 0; i < num_skills_found; i++)
811	{	734	msg << " C<" << skills [i] << ">\n";
812	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);
813	}
814		735
815	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	736	msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
816		737
817	cp = determine_god (op);	738	cp = determine_god (op);
818	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	739	msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
819		740
820	new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n",	741	msg << "Your equipped item power is " << (int)op->contr->item_power
821	op->contr->item_power, (int) (op->level * settings.item_power_factor));	742	<< " out of " << int (op->level * settings.item_power_factor)
		743	<< ".\n";
		744
		745	pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
822	}	746	}
823		747
824	/* use_skill() - similar to invoke command, it executes the skill in the	748	/* use_skill() - similar to invoke command, it executes the skill in the
825	* direction that the user is facing. Returns false if we are unable to	749	* direction that the user is facing. Returns false if we are unable to
826	* change to the requested skill, or were unable to use the skill properly.	750	* change to the requested skill, or were unable to use the skill properly.
827	* This is tricky because skills can have spaces. We basically roll	751	* This is tricky because skills can have spaces. We basically roll
828	* our own find_skill_by_name so we can try to do better string matching.	752	* our own find_skill_by_name so we can try to do better string matching.
829	*/	753	*/
830
831	int	754	int
832	use_skill (object op, const char string)	755	use_skill (object op, const char string)
833	{	756	{
834	object *skop;	757	object *skop;
835	size_t len;	758	size_t len;
836		759
837	if (!string)	760	if (!string)
838	return 0;	761	return 0;
839		762
840	for (skop = op->inv; skop != NULL; skop = skop->below)	763	for (skop = op->inv; skop; skop = skop->below)
841	{	764	{
		765	if (skop->type == SKILL
842	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&	766	&& QUERY_FLAG (skop, FLAG_CAN_USE_SKILL)
843	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	767	&& !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
844	break;	768	break;
		769	else if (skop->type == SKILL_TOOL
845	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	770	&& !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
846	break;	771	break;
847	}	772	}
		773
848	if (!skop)	774	if (!skop)
849	{	775	{
850	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	776	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);
851	return 0;	777	return 0;
852	}	778	}
…		…
857	* options given to the skill. Its pretty simple - if there	783	* options given to the skill. Its pretty simple - if there
858	* are extra parameters (as deteremined by string length), we	784	* are extra parameters (as deteremined by string length), we
859	* want to skip over any leading spaces.	785	* want to skip over any leading spaces.
860	*/	786	*/
861	if (len >= strlen (string))	787	if (len >= strlen (string))
862	{
863	string = NULL;	788	string = NULL;
864	}
865	else	789	else
866	{	790	{
867	string += len;	791	string += len;
868	while (*string == 0x20)	792	while (*string == 0x20)
869	string++;	793	string++;
		794
870	if (strlen (string) == 0)	795	if (strlen (string) == 0)
871	string = NULL;	796	string = NULL;
872	}	797	}
873		798
874	#ifdef SKILL_UTIL_DEBUG	799	#ifdef SKILL_UTIL_DEBUG
875	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	800	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
876	#endif	801	#endif
877		802
878	/* Change to the new skill, then execute it. */
879	if (do_skill (op, op, skop, op->facing, string))	803	if (do_skill (op, op, skop, op->facing, string))
880	return 1;	804	return 1;
881		805
882	return 0;	806	return 0;
883	}	807	}
884		808
885	static bool	809	static bool
886	hth_skill_p (object *skill)	810	hth_skill_p (object *skill)
887	{	811	{
888	for (unsigned int i = 0; i < sizeof (unarmed_skills); ++i)	812	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_WEAPON)) == SF_COMBAT;
889	if (skill->subtype == unarmed_skills[i])
890	return 1;
891
892	return 0;
893	}	813	}
894		814
895	/* This finds the first unarmed skill the player has, and returns it.	815	/* This finds the first unarmed skill the player has, and returns it.
896	*/	816	*/
897	static object *	817	static object *
…		…
911	* tmp is the targetted monster.	831	* tmp is the targetted monster.
912	* op is what is attacking	832	* op is what is attacking
913	* string is passed along to describe what messages to describe	833	* string is passed along to describe what messages to describe
914	* the damage.	834	* the damage.
915	*/	835	*/
916
917	static int	836	static int
918	do_skill_attack (object tmp, object op, const char string, object skill)	837	do_skill_attack (object tmp, object op, const char string, object skill)
919	{	838	{
920	int success;
921
922	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))	839	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))
923	return RESULT_INT (0);	840	return RESULT_INT (0);
924		841
925	/* For Players only: if there is no ready weapon, and no "attack" skill	842	/* For Players only: if there is no ready weapon, and no "attack" skill
926	* is readied either then try to find a skill for the player to use.	843	* is readied either then try to find a skill for the player to use.
927	* it is presumed that if skill is set, it is a valid attack skill (eg,	844	* it is presumed that if skill is set, it is a valid attack skill (eg,
928	* the caller should have set it appropriately). We still want to pass	845	* the caller should have set it appropriately). We still want to pass
929	* through that code if skill is set to change to the skill.	846	* through that code if skill is set to change to the skill.
930	*/	847	*/
931	if (op->type == PLAYER)	848	if (player *pl = op->contr)
932	{	849	{
933	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	850	if (skill)
		851	op->change_skill (skill);
		852	else
934	{	853	{
935	if (!skill)	854	if (!pl->combat_ob)
936	{	855	{
937	/* See if the players chosen skill is a combat skill, and use	856	if (QUERY_FLAG (op, FLAG_READY_WEAPON))
938	* it if appropriate.
939	*/
940	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
941	skill = op->chosen_skill;
942	else
943	{	857	{
944	skill = find_player_hth_skill (op);	858	for (tmp = op->inv; tmp; tmp = tmp->below)
		859	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
		860	break;
945		861
946	if (!skill)	862	if (!tmp)
		863	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
		864
		865	pl->combat_ob = tmp;
		866	}
		867
		868	if (!pl->combat_ob)
		869	{
		870	/* See if the players chosen skill is a combat skill, and use
		871	* it if appropriate.
		872	*/
		873	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
		874	skill = op->chosen_skill;
		875	else
947	{	876	{
		877	skill = find_player_hth_skill (op);
		878
		879	if (!skill)
948	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");	880	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
949	return 0;	881	}
		882
		883	if (skill)
		884	{
		885	op->change_skill (0);
		886	apply_special (op, skill, AP_APPLY);
950	}	887	}
951	}	888	}
952	}
953		889
954	/* now try to ready the new skill */
955	if (!change_skill (op, skill, 0))
956	{ /* oh oh, trouble! */
957	new_draw_info_format (NDI_UNIQUE, 0, tmp, "Couldn't change to skill %s", &skill->name);
958	return 0;
959	}
960	}
961	else
962	{
963	/* Seen some crashes below where current_weapon is not set,
964	* even though the flag says it is. So if current weapon isn't set,
965	* do some work in trying to find the object to use.
966	*/
967	if (!op->current_weapon)
968	{
969	object *tmp;
970
971	LOG (llevError, "Player %s does not have current weapon set but flag_ready_weapon is set\n", &op->name);
972	for (tmp = op->inv; tmp; tmp = tmp->below)
973	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
974	break;
975
976	if (!tmp)	890	if (!pl->combat_ob)
977	{	891	{
978	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);	892	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
979	op->current_weapon = NULL;
980	return 0;	893	return 0;
981	}	894	}
982	else
983	{
984	op->current_weapon = tmp;
985	}
986	}	895	}
987		896
988	change_skill (op, find_skill_by_name (op, op->current_weapon->skill), 1);	897	if (!op->change_weapon (pl->combat_ob))
		898	return 0;
989	}	899	}
990	}
991		900
992	/* lose invisiblity/hiding status for running attacks */	901	/* lose invisiblity/hiding status for running attacks */
993		902	if (pl->tmp_invis)
994	if (op->type == PLAYER && op->contr->tmp_invis)	903	{
995	{
996	op->contr->tmp_invis = 0;	904	pl->tmp_invis = 0;
997	op->invisible = 0;	905	op->invisible = 0;
998	op->hide = 0;	906	op->flag [FLAG_HIDDEN] = 0;
999	update_object (op, UP_OBJ_FACE);	907	update_object (op, UP_OBJ_CHANGE);
		908	}
1000	}	909	}
1001		910
1002	success = attack_ob (tmp, op);	911	int success = attack_ob (tmp, op);
1003		912
1004	/* print appropriate messages to the player */	913	/* print appropriate messages to the player */
1005		914
1006	if (success && string != NULL && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	915	if (success && string && tmp && !QUERY_FLAG (tmp, FLAG_FREED))
1007	{	916	{
1008	if (op->type == PLAYER)	917	if (op->type == PLAYER)
1009	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	918	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
1010	else if (tmp->type == PLAYER)	919	else if (tmp->type == PLAYER)
1011	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	920	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
1012	}	921	}
		922
1013	return success;	923	return success;
1014	}	924	}
1015
1016		925
1017	/* skill_attack() - Core routine for use when we attack using a skills	926	/* skill_attack() - Core routine for use when we attack using a skills
1018	* system. In essence, this code handles	927	* system. In essence, this code handles
1019	* all skill-based attacks, ie hth, missile and melee weapons should be	928	* all skill-based attacks, i.e. hth, missile and melee weapons should be
1020	* treated here. If an opponent is already supplied by move_player(),	929	* treated here. If an opponent is already supplied by move_player(),
1021	* we move right onto do_skill_attack(), otherwise we find if an	930	* we move right onto do_skill_attack(), otherwise we find if an
1022	* appropriate opponent exists.	931	* appropriate opponent exists.
1023	*	932	*
1024	* This is called by move_player() and attack_hth()	933	* This is called by move_player() and attack_hth()
1025	*	934	*
1026	* Initial implementation by -bt thomas@astro.psu.edu	935	* Initial implementation by -bt thomas@astro.psu.edu
1027	*/	936	*/
1028
1029	int	937	int
1030	skill_attack (object tmp, object pl, int dir, const char string, object skill)	938	skill_attack (object tmp, object pl, int dir, const char string, object skill)
1031	{	939	{
1032	sint16 tx, ty;	940	sint16 tx, ty;
1033	maptile *m;	941	maptile *m;
…		…
1040	ty = freearr_y[dir];	948	ty = freearr_y[dir];
1041		949
1042	/* If we don't yet have an opponent, find if one exists, and attack.	950	/* If we don't yet have an opponent, find if one exists, and attack.
1043	* Legal opponents are the same as outlined in move_player_attack()	951	* Legal opponents are the same as outlined in move_player_attack()
1044	*/	952	*/
1045		953	if (!tmp)
1046	if (tmp == NULL)
1047	{	954	{
1048	m = pl->map;	955	m = pl->map;
1049	tx = pl->x + freearr_x[dir];	956	tx = pl->x + freearr_x[dir];
1050	ty = pl->y + freearr_y[dir];	957	ty = pl->y + freearr_y[dir];
1051		958
…		…
1061	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	968	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)
1062	{	969	{
1063	/* Don't attack party members */	970	/* Don't attack party members */
1064	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	971	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1065	return 0;	972	return 0;
		973
1066	break;	974	break;
1067	}	975	}
1068	}	976	}
		977
1069	if (!tmp)	978	if (!tmp)
1070	{	979	{
1071	if (pl->type == PLAYER)	980	if (pl->type == PLAYER)
1072	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");	981	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");
		982
1073	return 0;	983	return 0;
1074	}	984	}
1075		985
1076	return do_skill_attack (tmp, pl, string, skill);	986	return do_skill_attack (tmp, pl, string, skill);
1077	}	987	}
1078
1079		988
1080	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */	989	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */
1081		990
1082	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first	991	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first
1083	* (attack_hth) we check for weapon use, etc in the second (the new	992	* (attack_hth) we check for weapon use, etc in the second (the new
1084	* function skill_attack() we actually attack.	993	* function skill_attack() we actually attack.
1085	*/	994	*/
1086
1087	static int	995	static int
1088	attack_hth (object pl, int dir, const char string, object *skill)	996	attack_hth (object pl, int dir, const char string, object *skill)
1089	{	997	{
1090	object enemy = NULL, weapon;	998	object enemy = NULL, weapon;
1091		999
…		…
1100	if (pl->type == PLAYER)	1008	if (pl->type == PLAYER)
1101	{	1009	{
1102	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	1010	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1103	esrv_update_item (UPD_FLAGS, pl, weapon);	1011	esrv_update_item (UPD_FLAGS, pl, weapon);
1104	}	1012	}
		1013
1105	break;	1014	break;
1106	}	1015	}
1107	}	1016	}
		1017
1108	return skill_attack (enemy, pl, dir, string, skill);	1018	return skill_attack (enemy, pl, dir, string, skill);
1109	}	1019	}
1110
1111		1020
1112	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.	1021	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.
1113	* For now we are just checking to see if we have a ready weapon here.	1022	* For now we are just checking to see if we have a ready weapon here.
1114	* But there is a real neato possible feature of this scheme which	1023	* But there is a real neato possible feature of this scheme which
1115	* bears mentioning:	1024	* bears mentioning:
1116	* Since we are only calling this from do_skill() in the future	1025	* Since we are only calling this from do_skill() in the future
1117	* we may make this routine handle 'special' melee weapons attacks	1026	* we may make this routine handle 'special' melee weapons attacks
1118	* (like disarming manuever with sai) based on player SK_level and	1027	* (like disarming manuever with sai) based on player SK_level and
1119	* weapon type.	1028	* weapon type.
1120	*/	1029	*/
1121
1122	static int	1030	static int
1123	attack_melee_weapon (object op, int dir, const char string, object *skill)	1031	attack_melee_weapon (object op, int dir, const char string, object *skill)
1124	{	1032	{
1125		1033
1126	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1034	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))
1127	{	1035	{
1128	if (op->type == PLAYER)	1036	if (op->type == PLAYER)
1129	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1037	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
		1038
1130	return 0;	1039	return 0;
1131	}	1040	}
		1041
1132	return skill_attack (NULL, op, dir, string, skill);	1042	return skill_attack (NULL, op, dir, string, skill);
1133
1134	}	1043	}
		1044

Diff Legend

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.23 by root, Tue Dec 26 08:55:00 2006 UTC vs. Revision 1.76 by root, Mon Apr 27 01:38:49 2009 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.23 by root, Tue Dec 26 08:55:00 2006 UTC vs.
Revision 1.76 by root, Mon Apr 27 01:38:49 2009 UTC