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

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.9 by root, Sun Sep 10 15:59:57 2006 UTC vs.
Revision 1.85 by root, Sat Apr 3 03:35:33 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 1.9 2006/09/10 15:59:57 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.
43		38
44	/* define the following for skills utility debuging */	39	/* define the following for skills utility debuging */
45		40
46	/* #define SKILL_UTIL_DEBUG */	41	/* #define SKILL_UTIL_DEBUG */
47		42
48	#define WANT_UNARMED_SKILLS
49
50	#include <global.h>	43	#include <global.h>
51	#include <object.h>	44	#include <object.h>
52	#ifndef __CEXTRACT__
53	# include <sproto.h>	45	#include <sproto.h>
54	#endif
55	#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. */
56	#include <spells.h>	47	#include <spells.h>
57		48
		49	const uint8_t skill_flags[NUM_SKILLS] = {
		50	0, // SK_NONE
		51	# define def(uc, flags) flags,
		52	# include "skillinc.h"
		53	# undef def
		54	};
		55
58	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);
59	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);
60
61	shstr skill_names[NUM_SKILLS];
62		58
63	/* init_skills basically just sets up the skill_names table	59	/* init_skills basically just sets up the skill_names table
64	* above. The index into the array is set up by the	60	* above. The index into the array is set up by the
65	* subtypes.	61	* subtypes.
66	*/	62	*/
67	void	63	void
68	init_skills (void)	64	init_skills ()
69	{	65	{
70	int i;	66	for_all_archetypes (at)
71	archetype *at;
72
73	for (at = first_archetype; at != NULL; at = at->next)
74	{
75	if (at->clone.type == SKILL)	67	if (at->type == SKILL)
76	{	68	{
77	if (skill_names[at->clone.subtype] != NULL)	69	if (skill_names[at->subtype])
78	{
79	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",
80	at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill);	71	at->subtype, &skill_names[at->subtype], &at->skill);
81	}
82	else	72	else
83	{
84	skill_names[at->clone.subtype] = at->clone.skill;	73	skill_names[at->subtype] = at->skill;
85	}
86	}	74	}
87	}
88		75
89	/* 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
90	* checking for this may catch some user errors.	77	* checking for this may catch some user errors.
91	*/	78	*/
92	for (i = 1; i < NUM_SKILLS; i++)	79	for (int i = 1; i < NUM_SKILLS; i++)
93	{
94	if (!skill_names[i])	80	if (!skill_names[i])
95	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);
96	}
97	}	82	}
98
99		83
100	/* This function goes through the player inventory and sets	84	/* This function goes through the player inventory and sets
101	* up the last_skills[] array in the player object.	85	* up the last_skills[] array in the player object.
102	* the last_skills[] is used to more quickly lookup skills -	86	* the last_skills[] is used to more quickly lookup skills -
103	* mostly used for sending exp.	87	* mostly used for sending exp.
104	*/	88	*/
105	void	89	void
106	link_player_skills (object *op)	90	player::link_skills ()
107	{	91	{
108	object *tmp;	92	for (int i = 0; i < NUM_SKILLS; ++i)
		93	last_skill_ob [i] = 0;
109		94
110	for (tmp = op->inv; tmp; tmp = tmp->below)	95	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
111	{
112	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)
113	{	101	{
114	/* This is really a warning, hence no else below */	102	/* This is really a warning, hence no else below */
115	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)	103	if (last_skill_ob [tmp->subtype])
116	{
117	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",	104	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
118	&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;
119	}	110	}
120	if (tmp->subtype >= NUM_SKILLS)
121	{
122	LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);
123	}
124	else
125	{
126	op->contr->last_skill_ob[tmp->subtype] = tmp;
127	op->contr->last_skill_exp[tmp->subtype] = -1;
128	}
129	}	111	}
130	}	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);
131	}	133	}
132		134
133	/* This returns the skill pointer of the given name (the	135	/* This returns the skill pointer of the given name (the
134	* one that accumlates exp, has the level, etc).	136	* one that accumulates exp, has the level, etc).
135	*	137	*
136	* It is presumed that the player will be needing to actually	138	* It is presumed that the player will be needing to actually
137	* 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
138	* tool, this code will equip it.	140	* tool, this code will equip it.
139	*/	141	*/
140	object *	142	object *
141	find_skill_by_name (object who, const char name)	143	find_skill_by_name (object *who, shstr_cmp sh)
142	{	144	{
143	object skill = NULL, skill_tool = NULL, *tmp;	145	object *skill_tool = 0;
144		146
145	if (!name)
146	return NULL;
147
148	/* We make sure the length of the string in the object is greater
149	* in length than the passed string. Eg, if we have a skill called
150	* 'hi', we don't want to match if the user passed 'high'
151	*/
152	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	147	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		148	if (tmp->skill == sh)
153	{	149	{
154	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]))
155	skill = tmp;	151	/* If this is a skill that can be used without applying tool, return it */
156		152	return splay (tmp);
157	/* Try to find appropriate skilltool. If the player has one already	153	/* Try to find appropriate skilltool. If the player has one already
158	* applied, we try to keep using that one.	154	* applied, we try to keep using that one.
159	*/	155	*/
160	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)
161	{
162	if (QUERY_FLAG (tmp, FLAG_APPLIED))
163	skill_tool = tmp;	157	skill_tool = tmp;
164	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
165	skill_tool = tmp;
166	}	158	}
167	}	159
168	/* If this is a skill that can be used without a tool, return it */	160	if (!skill_tool)
169	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
170	return skill;	161	return 0;
171		162
172	/* 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 -
173	* 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
174	* but not the skill itself, give it to them.	165	* but not the skill itself, give it to them.
175	*/	166	*/
176	if (skill_tool)	167	object *skill = find_skill (who, skill_tool->skill);
177	{	168
178	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
179	{
180	if (apply_special (who, skill_tool, 0))
181	return NULL;
182	}
183	if (!skill)	169	if (!skill)
184	{
185	skill = give_skill_by_name (who, skill_tool->skill);	170	skill = give_skill_by_name (who, skill_tool->skill);
186	link_player_skills (who);	171
187	}	172	if (!skill_tool->flag [FLAG_APPLIED])
		173	if (apply_special (who, splay (skill_tool), AP_APPLY))
188	return skill;	174	return 0;
189	}	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	return 0;
		184
		185	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		186	if ((tmp->type == SKILL \|\| tmp->type == SKILL_TOOL)
		187	&& tmp->skill.starts_with (name))
		188	if (object *skop = find_skill_by_name (who, tmp->skill))
		189	return skop;
		190
190	return NULL;	191	return 0;
191	}	192	}
192
193		193
194	/* This returns the skill pointer of the given name (the	194	/* This returns the skill pointer of the given name (the
195	* one that accumlates exp, has the level, etc).	195	* one that accumulates exp, has the level, etc).
196	*	196	*
197	* It is presumed that the player will be needing to actually	197	* It is presumed that the player will be needing to actually
198	* use the skill, so thus if use of the skill requires a skill	198	* use the skill, so thus if use of the skill requires a skill
199	* tool, this code will equip it.	199	* tool, this code will equip it.
200	*	200	*
…		…
203	* this replaces find_skill.	203	* this replaces find_skill.
204	*/	204	*/
205	object *	205	object *
206	find_skill_by_number (object *who, int skillno)	206	find_skill_by_number (object *who, int skillno)
207	{	207	{
208	object skill = NULL, skill_tool = NULL, *tmp;
209
210	if (skillno < 1 \|\| skillno >= NUM_SKILLS)
211	return NULL;
212
213	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	208	for (object *tmp = who->inv; tmp; tmp = tmp->below)
214	{
215	if (tmp->type == SKILL && tmp->subtype == skillno)	209	if (tmp->type == SKILL && tmp->subtype == skillno)
216	skill = tmp;	210	if (object *skop = find_skill_by_name (who, tmp->skill))
217
218	/* Try to find appropriate skilltool. If the player has one already
219	* applied, we try to keep using that one.
220	*/
221	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)
222	{
223	if (QUERY_FLAG (tmp, FLAG_APPLIED))
224	skill_tool = tmp;
225	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
226	skill_tool = tmp;
227	}
228	}
229	/* If this is a skill that can be used without a tool, return it */
230	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
231	return skill;
232
233	/* Player has a tool to use the skill. IF not applied, apply it -
234	* if not successful, return null. If they do have the skill tool
235	* but not the skill itself, give it to them.
236	*/
237	if (skill_tool)
238	{
239	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
240	{
241	if (apply_special (who, skill_tool, 0))
242	return NULL;
243	}
244	if (!skill)
245	{
246	skill = give_skill_by_name (who, skill_tool->skill);
247	link_player_skills (who);
248	}
249	return skill;	211	return skop;
250	}	212
251	return NULL;	213	return 0;
252	}	214	}
253		215
254	/* This changes the objects skill to new_skill.	216	/* 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	217	* return 1 on success, 0 on error
264	*/	218	*/
265		219	bool
266	int	220	object::change_skill (object *new_skill)
267	change_skill (object who, object new_skill, int flag)
268	{	221	{
269	int old_range;
270
271	if (who->type != PLAYER)	222	if (type != PLAYER)
272	return 0;	223	return 0;
273		224
274	old_range = who->contr->shoottype;	225	// optimise this supposedly common case
275		226	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	return 1;	227	return 1;
282	}
283		228
284	if (!new_skill \|\| who->chosen_skill)
285	if (who->chosen_skill)	229	if (chosen_skill)
286	apply_special (who, who->chosen_skill, AP_UNAPPLY);
287
288	/* Only goal in this case was to unapply a skill */
289	if (!new_skill)
290	return 0;
291
292	if (apply_special (who, new_skill, AP_APPLY))
293	{
294	return 0;
295	}	230	{
296	if (flag & 0x1)	231	chosen_skill->flag [FLAG_APPLIED] = false;
297	who->contr->shoottype = (rangetype) old_range;	232	change_abil (this, chosen_skill);
		233	}
298		234
		235	chosen_skill = new_skill;
		236
		237	if (chosen_skill)
		238	{
		239	chosen_skill->flag [FLAG_APPLIED] = true;
		240	change_abil (this, chosen_skill);
		241	}
		242
		243	// always clear current weapon, as the selected skill could
		244	// conflict with the current weapon skill, which would go
		245	// undetected and exp would be given to the wrong skill.
		246	current_weapon = 0;
		247
		248	update_stats ();
299	return 1;	249	return 1;
300	}
301
302	/* This function just clears the chosen_skill and range_skill values
303	* inthe player.
304	*/
305	void
306	clear_skill (object *who)
307	{
308	who->chosen_skill = NULL;
309	CLEAR_FLAG (who, FLAG_READY_SKILL);
310	if (who->type == PLAYER)
311	{
312	who->contr->ranges[range_skill] = NULL;
313	if (who->contr->shoottype == range_skill)
314	who->contr->shoottype = range_none;
315	}
316	}	250	}
317		251
318	/* do_skill() - Main skills use function-similar in scope to cast_spell().	252	/* do_skill() - Main skills use function-similar in scope to cast_spell().
319	* We handle all requests for skill use outside of some combat here.	253	* We handle all requests for skill use outside of some combat here.
320	* We require a separate routine outside of fire() so as to allow monsters	254	* We require a separate routine outside of fire() so as to allow monsters
…		…
323	* exp - no caller needed that info, but it also prevented the callers	257	* exp - no caller needed that info, but it also prevented the callers
324	* from know if a skill was actually used, as many skills don't	258	* from know if a skill was actually used, as many skills don't
325	* give any exp for their direct use (eg, throwing).	259	* give any exp for their direct use (eg, throwing).
326	* It returns 0 if no skill was used.	260	* It returns 0 if no skill was used.
327	*/	261	*/
328
329	int	262	int
330	do_skill (object op, object part, object skill, int dir, const char string)	263	do_skill (object op, object part, object skill, int dir, const char string)
331	{	264	{
332	int success = 0, exp = 0;	265	int success = 0, exp = 0;
333	int did_alc = 0;
334	object tmp, next;
335		266
336	if (!skill)	267	if (!skill)
337	return 0;	268	return 0;
338		269
339	/* The code below presumes that the skill points to the object that	270	/* The code below presumes that the skill points to the object that
…		…
341	* go and try to find the actual real skill pointer, and if the	272	* go and try to find the actual real skill pointer, and if the
342	* the player doesn't have a bucket for that, create one.	273	* the player doesn't have a bucket for that, create one.
343	*/	274	*/
344	if (skill->type != SKILL && op->type == PLAYER)	275	if (skill->type != SKILL && op->type == PLAYER)
345	{	276	{
346	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	277	for (object *tmp = op->inv; tmp; tmp = tmp->below)
347	{
348	if (tmp->type == SKILL && tmp->skill == skill->skill)	278	if (tmp->type == SKILL && tmp->skill == skill->skill)
349	break;	279	{
		280	skill = tmp;
		281	goto found;
350	}	282	}
351	if (!tmp)	283
352	tmp = give_skill_by_name (op, skill->skill);	284	skill = give_skill_by_name (op, skill->skill);
353	skill = tmp;	285	found: ;
354	}	286	}
355		287
356	// skill, by_whom, on_which_object, which direction, skill_argument	288	// skill, by_whom, on_which_object, which direction, skill_argument
357	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))	289	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))
358	return 0;	290	return 0;
359		291
360	switch (skill->subtype)	292	switch (skill->subtype)
361	{	293	{
362	case SK_LEVITATION:	294	case SK_LEVITATION:
363	/* Not 100% sure if this will work with new movement code -	295	/* Not 100% sure if this will work with new movement code -
364	* the levitation skill has move_type for flying, so when	296	* the levitation skill has move_type for flying, so when
365	* equipped, that should transfer to player, when not,	297	* equipped, that should transfer to player, when not,
366	* shouldn't.	298	* shouldn't.
367	*/	299	*/
368	if (QUERY_FLAG (skill, FLAG_APPLIED))	300	if (QUERY_FLAG (skill, FLAG_APPLIED))
369	{	301	{
370	CLEAR_FLAG (skill, FLAG_APPLIED);	302	CLEAR_FLAG (skill, FLAG_APPLIED);
371	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	303	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
372	}	304	}
373	else	305	else
374	{	306	{
375	SET_FLAG (skill, FLAG_APPLIED);	307	SET_FLAG (skill, FLAG_APPLIED);
376	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	308	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
377	}	309	}
378	fix_player (op);	310
		311	op->update_stats ();
379	success = 1;	312	success = 1;
380	break;	313	break;
381		314
382	case SK_STEALING:	315	case SK_STEALING:
383	exp = success = steal (op, dir, skill);	316	exp = success = steal (op, dir, skill);
384	break;	317	break;
385		318
386	case SK_LOCKPICKING:	319	case SK_LOCKPICKING:
387	exp = success = pick_lock (op, dir, skill);	320	exp = success = pick_lock (op, dir, skill);
388	break;	321	break;
389		322
390	case SK_HIDING:	323	case SK_HIDING:
391	exp = success = hide (op, skill);	324	exp = success = hide (op, skill);
392	break;	325	break;
393		326
394	case SK_JUMPING:	327	case SK_JUMPING:
395	success = jump (op, dir, skill);	328	exp = success = jump (op, dir, skill);
396	break;	329	break;
397		330
398	case SK_INSCRIPTION:	331	case SK_INSCRIPTION:
399	exp = success = write_on_item (op, string, skill);	332	exp = success = write_on_item (op, string, skill);
400	break;	333	break;
401		334
402	case SK_MEDITATION:	335	case SK_MEDITATION:
403	meditate (op, skill);	336	meditate (op, skill);
404	success = 1;	337	success = 1;
405	break;	338	break;
406	/* note that the following 'attack' skills gain exp through hit_player() */	339	/* note that the following 'attack' skills gain exp through hit_player() */
407		340
408	case SK_KARATE:	341	case SK_KARATE:
409	(void) attack_hth (op, dir, "karate-chopped", skill);	342	attack_hth (op, dir, "karate-chopped", skill);
410	break;	343	break;
411		344
412	case SK_PUNCHING:	345	case SK_PUNCHING:
413	(void) attack_hth (op, dir, "punched", skill);	346	attack_hth (op, dir, "punched", skill);
414	break;	347	break;
415		348
416	case SK_FLAME_TOUCH:	349	case SK_FLAME_TOUCH:
417	(void) attack_hth (op, dir, "flamed", skill);	350	attack_hth (op, dir, "flamed", skill);
418	break;	351	break;
419		352
420	case SK_SPARK_TOUCH:	353	case SK_SPARK_TOUCH:
421	(void) attack_hth (op, dir, "zapped", skill);	354	attack_hth (op, dir, "zapped", skill);
422	break;	355	break;
423		356
424	case SK_SHIVER:	357	case SK_SHIVER:
425	(void) attack_hth (op, dir, "froze", skill);	358	attack_hth (op, dir, "froze", skill);
426	break;	359	break;
427		360
428	case SK_ACID_SPLASH:	361	case SK_ACID_SPLASH:
429	(void) attack_hth (op, dir, "dissolved", skill);	362	attack_hth (op, dir, "dissolved", skill);
430	break;	363	break;
431		364
432	case SK_POISON_NAIL:	365	case SK_POISON_NAIL:
433	(void) attack_hth (op, dir, "injected poison into", skill);	366	attack_hth (op, dir, "injected poison into", skill);
434	break;	367	break;
435		368
436	case SK_CLAWING:	369	case SK_CLAWING:
437	(void) attack_hth (op, dir, "clawed", skill);	370	attack_hth (op, dir, "clawed", skill);
438	break;	371	break;
439		372
440	case SK_ONE_HANDED_WEAPON:	373	case SK_ONE_HANDED_WEAPON:
441	case SK_TWO_HANDED_WEAPON:	374	case SK_TWO_HANDED_WEAPON:
442	(void) attack_melee_weapon (op, dir, NULL, skill);	375	attack_melee_weapon (op, dir, NULL, skill);
443	break;	376	break;
444		377
445	case SK_FIND_TRAPS:	378	case SK_FIND_TRAPS:
446	exp = success = find_traps (op, skill);	379	exp = success = find_traps (op, skill);
447	break;	380	break;
448		381
449	case SK_SINGING:	382	case SK_SINGING:
450	exp = success = singing (op, dir, skill);	383	exp = success = singing (op, dir, skill);
451	break;	384	break;
452		385
453	case SK_ORATORY:	386	case SK_ORATORY:
454	exp = success = use_oratory (op, dir, skill);	387	exp = success = use_oratory (op, dir, skill);
455	break;	388	break;
456		389
457	case SK_SMITHERY:	390	case SK_SMITHERY:
458	case SK_BOWYER:	391	case SK_BOWYER:
459	case SK_JEWELER:	392	case SK_JEWELER:
460	case SK_ALCHEMY:	393	case SK_ALCHEMY:
461	case SK_THAUMATURGY:	394	case SK_THAUMATURGY:
462	case SK_LITERACY:	395	case SK_LITERACY:
463	case SK_WOODSMAN:	396	case SK_WOODSMAN:
464	/* first, we try to find a cauldron, and do the alchemy thing.	397	/* first, we try to find a cauldron, and do the alchemy thing.
465	* failing that, we go and identify stuff.	398	* failing that, we go and identify stuff.
466	*/	399	*/
		400	{
		401	bool found_cauldron = false;
		402
467	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = next)	403	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
468	{	404	{
469	next = tmp->above;	405	next = tmp->above;
		406
470	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	407	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))
471	{	408	{
		409	found_cauldron = true;
		410
		411	if (tmp->skill != skill->skill)
		412	{
		413	op->failmsg (format ("You can't use the %s with the %s skill!",
		414	query_name (tmp),
		415	query_name (skill)));
		416	break;
		417	}
		418
472	attempt_do_alchemy (op, tmp);	419	attempt_do_alchemy (op, tmp, skill);
		420
473	if (QUERY_FLAG (tmp, FLAG_APPLIED))	421	if (QUERY_FLAG (tmp, FLAG_APPLIED))
474	esrv_send_inventory (op, tmp);	422	esrv_send_inventory (op, tmp);
475	did_alc = 1;
476	}	423	}
477	}	424	}
478	if (did_alc == 0)	425
		426	if (!found_cauldron)
479	exp = success = skill_ident (op, skill);	427	exp = success = skill_ident (op, skill);
		428	}
480	break;	429	break;
481		430
482	case SK_DET_MAGIC:	431	case SK_DET_MAGIC:
483	case SK_DET_CURSE:	432	case SK_DET_CURSE:
484	exp = success = skill_ident (op, skill);	433	exp = success = skill_ident (op, skill);
485	break;	434	break;
486		435
487	case SK_DISARM_TRAPS:	436	case SK_DISARM_TRAPS:
488	exp = success = remove_trap (op, dir, skill);	437	exp = success = remove_trap (op, dir, skill);
489	break;	438	break;
490		439
491	case SK_THROWING:	440	case SK_THROWING:
492	success = skill_throw (op, part, dir, string, skill);	441	success = skill_throw (op, part, dir, string, skill);
493	break;	442	break;
494		443
495	case SK_SET_TRAP:	444	case SK_SET_TRAP:
496	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");	445	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");
497	break;	446	break;
498		447
499	case SK_USE_MAGIC_ITEM:	448	case SK_USE_MAGIC_ITEM:
500	case SK_MISSILE_WEAPON:	449	case SK_MISSILE_WEAPON:
501	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");	450	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");
502	break;	451	break;
503		452
504	case SK_PRAYING:	453	case SK_PRAYING:
505	success = pray (op, skill);	454	success = pray (op, skill);
506	break;	455	break;
507		456
508	case SK_BARGAINING:	457	case SK_BARGAINING:
509	success = describe_shop (op);	458	success = describe_shop (op);
510	break;	459	break;
511		460
512	case SK_SORCERY:	461	case SK_SORCERY:
513	case SK_EVOCATION:	462	case SK_EVOCATION:
514	case SK_PYROMANCY:	463	case SK_PYROMANCY:
515	case SK_SUMMONING:	464	case SK_SUMMONING:
516	case SK_CLIMBING:	465	case SK_CLIMBING:
517	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	466	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
518	break;	467	break;
519		468
520	default:	469	default:
521	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	470	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
522	break;	471	break;
523	}	472	}
524		473
525	/* For players we now update the speed_left from using the skill.	474	/* For players we now update the speed_left from using the skill.
526	* Monsters have no skill use time because of the random nature in	475	* Monsters have no skill use time because of the random nature in
527	* which use_monster_skill is called already simulates this.	476	* which use_monster_skill is called already simulates this.
528	* If certain skills should take more/less time, that should be	477	* If certain skills should take more/less time, that should be
529	* in the code for the skill itself.	478	* in the code for the skill itself.
530	*/	479	*/
531
532	if (op->type == PLAYER)	480	if (op->type == PLAYER)
533	op->speed_left -= 1.0;	481	op->speed_left -= 1.f;
534		482
535	/* this is a good place to add experience for successfull use of skills.	483	/* this is a good place to add experience for successfull use of skills.
536	* Note that add_exp() will figure out player/monster experience	484	* Note that add_exp() will figure out player/monster experience
537	* gain problems.	485	* gain problems.
538	*/	486	*/
…		…
566	* op is the object that was 'defeated'.	514	* op is the object that was 'defeated'.
567	* skill is the skill used. If no skill is used, it should just	515	* skill is the skill used. If no skill is used, it should just
568	* point back to who.	516	* point back to who.
569	*	517	*
570	*/	518	*/
571
572	int	519	int
573	calc_skill_exp (object who, object op, object *skill)	520	calc_skill_exp (object who, object op, object *skill)
574	{	521	{
575	int op_exp = 0, op_lvl = 0;	522	int op_exp = 0, op_lvl = 0;
576	float base, value, lvl_mult = 0.0;	523	float base, value, lvl_mult = 0.0;
…		…
585	* If an object is not alive and magical we set the base exp higher to	532	* If an object is not alive and magical we set the base exp higher to
586	* help out exp awards for skill_ident skills. Also, if	533	* help out exp awards for skill_ident skills. Also, if
587	* an item is type RUNE, we give out exp based on stats.Cha	534	* an item is type RUNE, we give out exp based on stats.Cha
588	* and level (this was the old system) -b.t.	535	* and level (this was the old system) -b.t.
589	*/	536	*/
590
591	if (!op)	537	if (!op)
592	{ /* no item/creature */	538	{ /* no item/creature */
593	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	539	op_lvl = max (1, who->map->difficulty);
594	op_exp = 0;	540	op_exp = 0;
595	}	541	}
596	else if (op->type == RUNE \|\| op->type == TRAP)	542	else if (op->type == RUNE \|\| op->type == TRAP)
597	{ /* all traps. If stats.Cha > 1 we use that	543	{ /* all traps. If stats.Cha > 1 we use that
598	* for the amount of experience */	544	* for the amount of experience */
…		…
602	else	548	else
603	{ /* all other items/living creatures */	549	{ /* all other items/living creatures */
604	op_exp = op->stats.exp;	550	op_exp = op->stats.exp;
605	op_lvl = op->level;	551	op_lvl = op->level;
606	if (!QUERY_FLAG (op, FLAG_ALIVE))	552	if (!QUERY_FLAG (op, FLAG_ALIVE))
607	{ /* for ident/make items */	553	op_lvl += 5 * abs (op->magic); /* for ident/make items */
608	op_lvl += 5 * abs (op->magic);
609	}
610	}	554	}
611		555
612	if (op_lvl < 1)	556	if (op_lvl < 1)
613	op_lvl = 1;	557	op_lvl = 1;
614		558
…		…
622	/* if skill really is a skill, then we can look at the skill archetype for	566	/* if skill really is a skill, then we can look at the skill archetype for
623	* bse reward value (exp) and level multiplier factor.	567	* bse reward value (exp) and level multiplier factor.
624	*/	568	*/
625	if (skill->type == SKILL)	569	if (skill->type == SKILL)
626	{	570	{
627	base += skill->arch->clone.stats.exp;	571	base += skill->arch->stats.exp;
628	if (settings.simple_exp)	572	if (settings.simple_exp)
629	{	573	{
630	if (skill->arch->clone.level)	574	if (skill->arch->level)
631	lvl_mult = (float) skill->arch->clone.level / 100.0;	575	lvl_mult = (float) skill->arch->level / 100.0;
632	else	576	else
633	lvl_mult = 1.0; /* no adjustment */	577	lvl_mult = 1.0; /* no adjustment */
634	}	578	}
635	else	579	else
636	{	580	{
637	if (skill->level)	581	if (skill->level)
638	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	582	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
639	else	583	else
640	lvl_mult = 1.0;	584	lvl_mult = 1.0;
641	}	585	}
642	}	586	}
643	else	587	else
644	{	588	{
645	/* Don't divide by zero here! */	589	/* Don't divide by zero here! */
646	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	590	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
647	}	591	}
648	}	592	}
649		593
650	/* assemble the exp total, and return value */	594	/* assemble the exp total, and return value */
651		595
…		…
665	* This one actually teaches the player the skill as something	609	* This one actually teaches the player the skill as something
666	* they can equip.	610	* they can equip.
667	* Return 0 if the player knows the skill, 1 if the	611	* Return 0 if the player knows the skill, 1 if the
668	* player learns the skill, 2 otherwise.	612	* player learns the skill, 2 otherwise.
669	*/	613	*/
670
671	int	614	int
672	learn_skill (object pl, object scroll)	615	learn_skill (object pl, object scroll)
673	{	616	{
674	object *tmp;
675
676	if (!scroll->skill)	617	if (!scroll->skill)
677	{	618	{
678	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	619	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
679	return 2;	620	return 2;
680	}	621	}
681		622
682	/* can't use find_skill_by_name because we want skills the player knows	623	object *tmp = find_skill (pl, scroll->skill);
683	* but can't use natively.
684	*/
685
686	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
687	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
688	break;
689		624
690	/* player already knows it */	625	/* player already knows it */
691	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	626	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
692	return 0;	627	return 0;
693
694
695		628
696	/* now a random change to learn, based on player Int.	629	/* now a random change to learn, based on player Int.
697	* give bonus based on level - otherwise stupid characters	630	* give bonus based on level - otherwise stupid characters
698	* might never be able to learn anything.	631	* might never be able to learn anything.
699	*/	632	*/
…		…
708	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);	641	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
709	return 2;	642	return 2;
710	}	643	}
711		644
712	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);	645	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);
713	link_player_skills (pl);	646
714	return 1;	647	return 1;
715	}	648	}
716		649
717	/* Gives a percentage clipped to 0% -> 100% of a/b. */	650	/* Gives a percentage clipped to 0% -> 100% of a/b. */
718
719	/* Probably belongs in some global utils-type file? */	651	/* Probably belongs in some global utils-type file? */
720	static int	652	static int
721	clipped_percent (sint64 a, sint64 b)	653	clipped_percent (sint64 a, sint64 b)
722	{	654	{
723	int rv;	655	int rv;
…		…
743	* Note this function is a bit more complicated becauase we	675	* Note this function is a bit more complicated becauase we
744	* we want ot sort the skills before printing them. If we	676	* we want ot sort the skills before printing them. If we
745	* just dumped this as we found it, this would be a bit	677	* just dumped this as we found it, this would be a bit
746	* simpler.	678	* simpler.
747	*/	679	*/
748		680	//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
749	void	681	void
750	show_skills (object op, const char search)	682	show_skills (object pl, const char search)
751	{	683	{
752	object *tmp = NULL;
753	char buf[MAX_BUF];
754	const char *cp;	684	const char *cp;
755	int i, num_skills_found = 0;	685	int i, num_skills_found = 0;
756	static const char *const periods = "........................................";	686	const char *const periods = ".............................."; // 30
757		687
758	/* Need to have a pointer and use strdup for qsort to work properly */	688	/* Need to have a pointer and use strdup for qsort to work properly */
759	char skills[NUM_SKILLS][MAX_BUF];	689	char skills[NUM_SKILLS][128]; // d'oh
760		690
		691	object *op = pl->contr->ob;
761		692
762	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	693	for (object *tmp = op->inv; tmp; tmp = tmp->below)
763	{	694	{
764	if (tmp->type == SKILL)	695	if (tmp->type == SKILL)
765	{	696	{
766	if (search && strstr (tmp->name, search) == NULL)	697	if (search && !tmp->name.contains (search))
767	continue;	698	continue;
		699
		700	char buf[30];
		701
768	/* Basically want to fill this out to 40 spaces with periods */	702	/* Basically want to fill this out to 30 spaces with periods */
769	sprintf (buf, "%s%s", &tmp->name, periods);	703	snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
770	buf[40] = 0;
771		704
772	if (settings.permanent_exp_ratio)	705	if (settings.permanent_exp_ratio)
773	{
774	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld/%d%%)",	706	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
775	buf, tmp->level,	707	buf, tmp->level, tmp->stats.exp,
776	(long long) tmp->stats.exp,
777	(long long) level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));	708	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
778	}
779	else	709	else
780	{
781	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld)",	710	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
782	buf, tmp->level, (long long) tmp->stats.exp, (long long) level_exp (tmp->level + 1, op->expmul));	711	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
783	}	712
784	/* I don't know why some characters get a bunch of skills, but	713	/* I don't know why some characters get a bunch of skills, but
785	* it sometimes happens (maybe a leftover from bugier earlier code	714	* it sometimes happens (maybe a leftover from bugier earlier code
786	* and those character are still about). In any case, lets handle	715	* and those character are still about). In any case, lets handle
787	* it so it doesn't crash the server - otherwise, one character may	716	* it so it doesn't crash the server - otherwise, one character may
788	* crash the server numerous times.	717	* crash the server numerous times.
789	*/	718	*/
790	if (num_skills_found >= NUM_SKILLS)	719	if (num_skills_found >= NUM_SKILLS)
791	{	720	{
792	new_draw_info (NDI_RED, 0, op, "Your character has too many skills.");	721	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Your character has too many skills.");
793	new_draw_info (NDI_RED, 0, op, "Something isn't right - contact the server admin");	722	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Something isn't right - contact the server admin");
794	break;	723	break;
795	}	724	}
796	}	725	}
797	}	726	}
798		727
799	clear_win_info (op);	728	dynbuf_text &msg = msg_dynbuf; msg.clear ();
800	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	729
		730	msg << "T<Player skills:>\n\n";
801	if (num_skills_found > 1)	731	if (num_skills_found > 1)
802	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) strcmp);	732	qsort (skills, num_skills_found, sizeof (skills [0]), (int ()(const void , const void *)) std::strcmp);
803		733
804	for (i = 0; i < num_skills_found; i++)	734	for (i = 0; i < num_skills_found; i++)
805	{	735	msg << " C<" << skills [i] << ">\n";
806	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);
807	}
808		736
809	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	737	msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
810		738
811	cp = determine_god (op);	739	cp = determine_god (op);
812	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	740	msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
813		741
814	new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n",	742	msg << "Your equipped item power is " << (int)op->contr->item_power
815	op->contr->item_power, (int) (op->level * settings.item_power_factor));	743	<< " out of " << int (op->level * settings.item_power_factor)
		744	<< ".\n";
		745
		746	pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
816	}	747	}
817		748
818	/* use_skill() - similar to invoke command, it executes the skill in the	749	/* use_skill() - similar to invoke command, it executes the skill in the
819	* direction that the user is facing. Returns false if we are unable to	750	* direction that the user is facing. Returns false if we are unable to
820	* change to the requested skill, or were unable to use the skill properly.	751	* change to the requested skill, or were unable to use the skill properly.
821	* This is tricky because skills can have spaces. We basically roll	752	* This is tricky because skills can have spaces. We basically roll
822	* our own find_skill_by_name so we can try to do better string matching.	753	* our own find_skill_by_name so we can try to do better string matching.
823	*/	754	*/
824
825	int	755	int
826	use_skill (object op, const char string)	756	use_skill (object op, const char string)
827	{	757	{
828	object *skop;	758	object *skop;
829	size_t len;	759	size_t len;
830		760
831	if (!string)	761	if (!string)
832	return 0;	762	return 0;
833		763
834	for (skop = op->inv; skop != NULL; skop = skop->below)	764	for (skop = op->inv; skop; skop = skop->below)
835	{	765	{
		766	if (skop->type == SKILL
836	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&	767	&& QUERY_FLAG (skop, FLAG_CAN_USE_SKILL)
837	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	768	&& !strncasecmp (string, skop->skill, min (strlen (string), (size_t) strlen (skop->skill))))
838	break;	769	break;
		770	else if (skop->type == SKILL_TOOL
839	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	771	&& !strncasecmp (string, skop->skill, min (strlen (string), (size_t) strlen (skop->skill))))
840	break;	772	break;
841	}	773	}
		774
842	if (!skop)	775	if (!skop)
843	{	776	{
844	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	777	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);
845	return 0;	778	return 0;
846	}	779	}
…		…
851	* options given to the skill. Its pretty simple - if there	784	* options given to the skill. Its pretty simple - if there
852	* are extra parameters (as deteremined by string length), we	785	* are extra parameters (as deteremined by string length), we
853	* want to skip over any leading spaces.	786	* want to skip over any leading spaces.
854	*/	787	*/
855	if (len >= strlen (string))	788	if (len >= strlen (string))
856	{
857	string = NULL;	789	string = NULL;
858	}
859	else	790	else
860	{	791	{
861	string += len;	792	string += len;
862	while (*string == 0x20)	793	while (*string == 0x20)
863	string++;	794	string++;
		795
864	if (strlen (string) == 0)	796	if (strlen (string) == 0)
865	string = NULL;	797	string = NULL;
866	}	798	}
867		799
868	#ifdef SKILL_UTIL_DEBUG	800	#ifdef SKILL_UTIL_DEBUG
869	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	801	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
870	#endif	802	#endif
871		803
872	/* Change to the new skill, then execute it. */
873	if (do_skill (op, op, skop, op->facing, string))	804	if (do_skill (op, op, skop, op->facing, string))
874	return 1;	805	return 1;
875		806
876	return 0;	807	return 0;
877	}	808	}
878		809
		810	static bool
		811	hth_skill_p (object *skill)
		812	{
		813	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_ITEM)) == SF_COMBAT;
		814	}
879		815
880
881	/* This finds the best unarmed skill the player has, and returns	816	/* This finds the first unarmed skill the player has, and returns it.
882	* it. Best can vary a little - we consider clawing to always
883	* be the best for dragons.
884	* This could be more intelligent, eg, look at the skill level
885	* of the skill and go from there (eg, a level 40 puncher is
886	* is probably better than level 1 karate). OTOH, if you
887	* don't bother to set up your skill properly, that is the players
888	* problem (although, it might be nice to have a preferred skill
889	* field the player can set.
890	* Unlike the old code, we don't give out any skills - it is
891	* possible you just don't have any ability to get into unarmed
892	* combat. If everyone race/class should have one, this should
893	* be handled in the starting treasurelists, not in the code.
894	*/	817	*/
895	static object *	818	static object *
896	find_best_player_hth_skill (object *op)	819	find_player_hth_skill (object *op)
897	{	820	{
898	object tmp, best_skill = NULL;
899	int dragon = is_dragon_pl (op), last_skill = sizeof (unarmed_skills), i;
900
901	for (tmp = op->inv; tmp; tmp = tmp->below)	821	for (object *tmp = op->inv; tmp; tmp = tmp->below)
902	{	822	if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp))
903	if (tmp->type == SKILL)
904	{
905	if (dragon && tmp->subtype == SK_CLAWING)
906	return tmp;	823	return tmp;
907		824
908	/* The order in the array is preferred order. So basically,	825	return 0;
909	* we just cut down the number to search - eg, if we find a skill
910	* early on in flame touch, then we only need to look into the unarmed_array
911	* to the entry before flame touch - don't care about the entries afterward,
912	* because they are infrerior skills.
913	* if we end up finding the best skill (i==0) might as well return
914	* right away - can't get any better than that.
915	*/
916	for (i = 0; i < last_skill; i++)
917	{
918	if (tmp->subtype == unarmed_skills[i] && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
919	{
920	best_skill = tmp;
921	last_skill = i;
922	if (i == 0)
923	return best_skill;
924	}
925	}
926	}
927	}
928	return best_skill;
929	}	826	}
930		827
931	/* do_skill_attack() - We have got an appropriate opponent from either	828	/* do_skill_attack() - We have got an appropriate opponent from either
932	* move_player_attack() or skill_attack(). In this part we get on with	829	* move_player_attack() or skill_attack(). In this part we get on with
933	* attacking, take care of messages from the attack and changes in invisible.	830	* attacking, take care of messages from the attack and changes in invisible.
…		…
935	* tmp is the targetted monster.	832	* tmp is the targetted monster.
936	* op is what is attacking	833	* op is what is attacking
937	* string is passed along to describe what messages to describe	834	* string is passed along to describe what messages to describe
938	* the damage.	835	* the damage.
939	*/	836	*/
940
941	static int	837	static int
942	do_skill_attack (object tmp, object op, const char string, object skill)	838	do_skill_attack (object tmp, object op, const char string, object skill)
943	{	839	{
944	int success;
945
946	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))	840	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))
947	return RESULT_INT (0);	841	return RESULT_INT (0);
948		842
949	/* For Players only: if there is no ready weapon, and no "attack" skill	843	/* For Players only: if there is no ready weapon, and no "attack" skill
950	* is readied either then try to find a skill for the player to use.	844	* is readied either then try to find a skill for the player to use.
951	* it is presumed that if skill is set, it is a valid attack skill (eg,	845	* it is presumed that if skill is set, it is a valid attack skill (eg,
952	* the caller should have set it appropriately). We still want to pass	846	* the caller should have set it appropriately). We still want to pass
953	* through that code if skill is set to change to the skill.	847	* through that code if skill is set to change to the skill.
954	*/	848	*/
955	if (op->type == PLAYER)	849	if (player *pl = op->contr)
956	{	850	{
957	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	851	if (skill)
		852	op->change_skill (skill);
		853	else
958	{	854	{
959	size_t i;	855	if (!pl->combat_ob)
960
961	if (!skill)
962	{	856	{
963	/* See if the players chosen skill is a combat skill, and use	857	if (QUERY_FLAG (op, FLAG_READY_WEAPON))
964	* it if appropriate.
965	*/
966	if (op->chosen_skill)
967	{	858	{
968	for (i = 0; i < sizeof (unarmed_skills); i++)	859	for (tmp = op->inv; tmp; tmp = tmp->below)
969	if (op->chosen_skill->subtype == unarmed_skills[i])	860	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
970	{
971	skill = op->chosen_skill;
972	break;	861	break;
973	}	862
		863	if (!tmp)
		864	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
		865
		866	pl->combat_ob = tmp;
974	}	867	}
975	/* If we didn't find a skill above, look harder for a good skill */	868
976	if (!skill)	869	if (!pl->combat_ob)
977	{	870	{
978	skill = find_best_player_hth_skill (op);	871	/* See if the players chosen skill is a combat skill, and use
979		872	* it if appropriate.
980	if (!skill)	873	*/
		874	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
		875	skill = op->chosen_skill;
		876	else
981	{	877	{
		878	skill = find_player_hth_skill (op);
		879
		880	if (!skill)
982	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");	881	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
983	return 0;
984	}	882	}
		883
		884	op->apply (skill);
985	}	885	}
986	}	886
987	if (skill != op->chosen_skill)	887	if (!pl->combat_ob)
988	{	888	{
989	/* now try to ready the new skill */	889	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
990	if (!change_skill (op, skill, 0))
991	{ /* oh oh, trouble! */
992	new_draw_info_format (NDI_UNIQUE, 0, tmp, "Couldn't change to skill %s", &skill->name);
993	return 0;	890	return 0;
994	}	891	}
995	}	892	}
		893
		894	if (!op->apply (pl->combat_ob))
		895	return 0;
996	}	896	}
997	else	897
		898	/* lose invisiblity/hiding status for running attacks */
		899	if (pl->tmp_invis)
998	{	900	{
999	/* Seen some crashes below where current_weapon is not set,	901	pl->tmp_invis = 0;
1000	* even though the flag says it is. So if current weapon isn't set,	902	op->invisible = 0;
1001	* do some work in trying to find the object to use.	903	op->flag [FLAG_HIDDEN] = 0;
1002	*/	904	update_object (op, UP_OBJ_CHANGE);
1003	if (!op->current_weapon)
1004	{
1005	object *tmp;
1006
1007	LOG (llevError, "Player %s does not have current weapon set but flag_ready_weapon is set\n", &op->name);
1008	for (tmp = op->inv; tmp; tmp = tmp->below)
1009	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
1010	break;
1011
1012	if (!tmp)
1013	{
1014	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
1015	op->current_weapon = NULL;
1016	return 0;
1017	}
1018	else
1019	{
1020	op->current_weapon = tmp;
1021	}
1022	}
1023
1024	/* Has ready weapon - make sure chosen_skill is set up properly */
1025	if (!op->chosen_skill \|\| op->current_weapon->skill != op->chosen_skill->skill)
1026	{
1027	change_skill (op, find_skill_by_name (op, op->current_weapon->skill), 1);
1028	}
1029	}	905	}
1030	}	906	}
1031		907
1032	/* lose invisiblity/hiding status for running attacks */
1033
1034	if (op->type == PLAYER && op->contr->tmp_invis)
1035	{
1036	op->contr->tmp_invis = 0;
1037	op->invisible = 0;
1038	op->hide = 0;
1039	update_object (op, UP_OBJ_FACE);
1040	}
1041
1042	success = attack_ob (tmp, op);	908	int success = attack_ob (tmp, op);
1043		909
1044	/* print appropriate messages to the player */	910	/* print appropriate messages to the player */
1045		911
1046	if (success && string != NULL && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	912	if (success && string && tmp && !QUERY_FLAG (tmp, FLAG_FREED))
1047	{	913	{
1048	if (op->type == PLAYER)	914	if (op->type == PLAYER)
1049	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	915	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
1050	else if (tmp->type == PLAYER)	916	else if (tmp->type == PLAYER)
1051	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	917	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
1052	}	918	}
		919
1053	return success;	920	return success;
1054	}	921	}
1055
1056		922
1057	/* skill_attack() - Core routine for use when we attack using a skills	923	/* skill_attack() - Core routine for use when we attack using a skills
1058	* system. In essence, this code handles	924	* system. In essence, this code handles
1059	* all skill-based attacks, ie hth, missile and melee weapons should be	925	* all skill-based attacks, i.e. hth, missile and melee weapons should be
1060	* treated here. If an opponent is already supplied by move_player(),	926	* treated here. If an opponent is already supplied by move_player(),
1061	* we move right onto do_skill_attack(), otherwise we find if an	927	* we move right onto do_skill_attack(), otherwise we find if an
1062	* appropriate opponent exists.	928	* appropriate opponent exists.
1063	*	929	*
1064	* This is called by move_player() and attack_hth()	930	* This is called by move_player() and attack_hth()
1065	*	931	*
1066	* Initial implementation by -bt thomas@astro.psu.edu	932	* Initial implementation by -bt thomas@astro.psu.edu
1067	*/	933	*/
1068
1069	int	934	int
1070	skill_attack (object tmp, object pl, int dir, const char string, object skill)	935	skill_attack (object tmp, object pl, int dir, const char string, object skill)
1071	{	936	{
1072	sint16 tx, ty;	937	sint16 tx, ty;
1073	mapstruct *m;	938	maptile *m;
1074	int mflags;	939	int mflags;
1075		940
1076	if (!dir)	941	if (!dir)
1077	dir = pl->facing;	942	dir = pl->facing;
		943
1078	tx = freearr_x[dir];	944	tx = freearr_x[dir];
1079	ty = freearr_y[dir];	945	ty = freearr_y[dir];
1080		946
1081	/* If we don't yet have an opponent, find if one exists, and attack.	947	/* If we don't yet have an opponent, find if one exists, and attack.
1082	* Legal opponents are the same as outlined in move_player_attack()	948	* Legal opponents are the same as outlined in move_player_attack()
1083	*/	949	*/
1084		950	if (!tmp)
1085	if (tmp == NULL)
1086	{	951	{
1087	m = pl->map;	952	m = pl->map;
1088	tx = pl->x + freearr_x[dir];	953	tx = pl->x + freearr_x[dir];
1089	ty = pl->y + freearr_y[dir];	954	ty = pl->y + freearr_y[dir];
1090		955
…		…
1094		959
1095	/* space must be blocked for there to be anything interesting to do */	960	/* space must be blocked for there to be anything interesting to do */
1096	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))	961	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))
1097	return 0;	962	return 0;
1098		963
1099	for (tmp = get_map_ob (m, tx, ty); tmp; tmp = tmp->above)	964	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)
1100	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	965	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)
1101	{	966	{
1102	/* Don't attack party members */	967	/* Don't attack party members */
1103	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	968	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1104	return 0;	969	return 0;
		970
1105	break;	971	break;
1106	}	972	}
1107	}	973	}
		974
1108	if (!tmp)	975	if (!tmp)
1109	{	976	{
1110	if (pl->type == PLAYER)	977	if (pl->type == PLAYER)
1111	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");	978	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");
		979
1112	return 0;	980	return 0;
1113	}	981	}
1114		982
1115	return do_skill_attack (tmp, pl, string, skill);	983	return do_skill_attack (tmp, pl, string, skill);
1116	}	984	}
1117
1118		985
1119	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */	986	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */
1120		987
1121	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first	988	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first
1122	* (attack_hth) we check for weapon use, etc in the second (the new	989	* (attack_hth) we check for weapon use, etc in the second (the new
1123	* function skill_attack() we actually attack.	990	* function skill_attack() we actually attack.
1124	*/	991	*/
1125
1126	static int	992	static int
1127	attack_hth (object pl, int dir, const char string, object *skill)	993	attack_hth (object pl, int dir, const char string, object *skill)
1128	{	994	{
1129	object enemy = NULL, weapon;	995	object enemy = NULL, weapon;
1130		996
…		…
1133	{	999	{
1134	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))	1000	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))
1135	{	1001	{
1136	CLEAR_FLAG (weapon, FLAG_APPLIED);	1002	CLEAR_FLAG (weapon, FLAG_APPLIED);
1137	CLEAR_FLAG (pl, FLAG_READY_WEAPON);	1003	CLEAR_FLAG (pl, FLAG_READY_WEAPON);
1138	fix_player (pl);	1004	pl->update_stats ();
1139	if (pl->type == PLAYER)	1005	if (pl->type == PLAYER)
1140	{	1006	{
1141	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	1007	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1142	esrv_update_item (UPD_FLAGS, pl, weapon);	1008	esrv_update_item (UPD_FLAGS, pl, weapon);
1143	}	1009	}
		1010
1144	break;	1011	break;
1145	}	1012	}
1146	}	1013	}
		1014
1147	return skill_attack (enemy, pl, dir, string, skill);	1015	return skill_attack (enemy, pl, dir, string, skill);
1148	}	1016	}
1149
1150		1017
1151	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.	1018	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.
1152	* For now we are just checking to see if we have a ready weapon here.	1019	* For now we are just checking to see if we have a ready weapon here.
1153	* But there is a real neato possible feature of this scheme which	1020	* But there is a real neato possible feature of this scheme which
1154	* bears mentioning:	1021	* bears mentioning:
1155	* Since we are only calling this from do_skill() in the future	1022	* Since we are only calling this from do_skill() in the future
1156	* we may make this routine handle 'special' melee weapons attacks	1023	* we may make this routine handle 'special' melee weapons attacks
1157	* (like disarming manuever with sai) based on player SK_level and	1024	* (like disarming manuever with sai) based on player SK_level and
1158	* weapon type.	1025	* weapon type.
1159	*/	1026	*/
1160
1161	static int	1027	static int
1162	attack_melee_weapon (object op, int dir, const char string, object *skill)	1028	attack_melee_weapon (object op, int dir, const char string, object *skill)
1163	{	1029	{
1164		1030
1165	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1031	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))
1166	{	1032	{
1167	if (op->type == PLAYER)	1033	if (op->type == PLAYER)
1168	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1034	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
		1035
1169	return 0;	1036	return 0;
1170	}	1037	}
		1038
1171	return skill_attack (NULL, op, dir, string, skill);	1039	return skill_attack (NULL, op, dir, string, skill);
1172
1173	}	1040	}
		1041

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.9 by root, Sun Sep 10 15:59:57 2006 UTC vs. Revision 1.85 by root, Sat Apr 3 03:35:33 2010 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.9 by root, Sun Sep 10 15:59:57 2006 UTC vs.
Revision 1.85 by root, Sat Apr 3 03:35:33 2010 UTC