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

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.18 by pippijn, Mon Dec 11 14:28:13 2006 UTC vs.
Revision 1.97 by root, Thu Apr 15 00:36:51 2010 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 (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copryight (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 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 it under
8	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
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* 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 Affero GNU General Public License
18	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
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The author can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* 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. */
25		26
26	/* Reconfigured skills code to allow linking of skills to experience	27	/* Reconfigured skills code to allow linking of skills to experience
27	* 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.
39		40
40	/* #define SKILL_UTIL_DEBUG */	41	/* #define SKILL_UTIL_DEBUG */
41		42
42	#include <global.h>	43	#include <global.h>
43	#include <object.h>	44	#include <object.h>
44	#ifndef __CEXTRACT__
45	# include <sproto.h>	45	#include <sproto.h>
46	#endif
47	#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. */
48	#include <spells.h>	47	#include <spells.h>
49		48
50	/* Table of unarmed attack skills. Terminated by -1. This	49	const uint8_t skill_flags[NUM_SKILLS] = {
51	* is also the list that we should try to use skills when	50	0, // SK_NONE
52	* automatically applying one for the player.	51	# define def(uc, flags) flags,
53	*/	52	# include "skillinc.h"
54	static uint8 unarmed_skills[] = {	53	# undef def
55	SK_KARATE,
56	SK_CLAWING,
57	SK_FLAME_TOUCH,
58	SK_SPARK_TOUCH,
59	SK_SHIVER,
60	SK_ACID_SPLASH,
61	SK_POISON_NAIL,
62	SK_PUNCHING,
63	(uint8)-1
64	};	54	};
		55
		56	vector<object_ptr> skillvec;
65		57
66	static int attack_hth (object pl, int dir, const char string, object *skill);	58	static int attack_hth (object pl, int dir, const char string, object *skill);
67	static int attack_melee_weapon (object op, int dir, const char string, object *skill);	59	static int attack_melee_weapon (object op, int dir, const char string, object *skill);
68		60
69	/* init_skills basically just sets up the skill_names table	61	/* init_skills basically just sets up the skill_names table
70	* above. The index into the array is set up by the	62	* above. The index into the array is set up by the
71	* subtypes.	63	* subtypes.
72	*/	64	*/
73	void	65	void
74	init_skills (void)	66	init_skills ()
75	{	67	{
76	int i;	68	// nop
77	archetype *at;	69	}
78		70
79	for (at = first_archetype; at != NULL; at = at->next)	71	void
80	if (at->clone.type == SKILL)	72	add_skill_archetype (object *o)
		73	{
		74	printf ("<%s><%s>\n", &o->name, &o->skill);//D
		75
		76	assert (("skill name must equal skill skill", o->name == o->skill));
		77
		78	for (vector<object_ptr>::iterator i = skillvec.begin (); i != skillvec.end (); ++i)
		79	if ((*i)->name == o->name)
81	{	80	{
82	if (skill_names[at->clone.subtype] != NULL)	81	// replace existing entry
83	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",	82	SKILL_INDEX (o) = i - skillvec.begin ();
84	at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill);	83	*i = o;
85	else	84	return;
86	skill_names[at->clone.subtype] = at->clone.skill;
87	}	85	}
88		86
89	/* This isn't really an error if there is no skill subtype set, but	87	// add new entry
90	* checking for this may catch some user errors.	88	assert (("only CS_NUM_SKILLS skills supported by client protocol", skillvec.size () < CS_NUM_SKILLS));
91	*/	89	SKILL_INDEX (o) = skillvec.size ();
92	for (i = 1; i < NUM_SKILLS; i++)	90	skillvec.push_back (o);
93	{
94	if (!skill_names[i])
95	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);
96	}
97	}	91	}
98
99		92
100	/* This function goes through the player inventory and sets	93	/* This function goes through the player inventory and sets
101	* up the last_skills[] array in the player object.	94	* up the last_skills[] array in the player object.
102	* the last_skills[] is used to more quickly lookup skills -	95	* the last_skills[] is used to more quickly lookup skills -
103	* mostly used for sending exp.	96	* mostly used for sending exp.
104	*/	97	*/
105	void	98	void
106	link_player_skills (object *op)	99	player::link_skills ()
107	{	100	{
108	object *tmp;	101	for (int i = 0; i < CS_NUM_SKILLS; ++i)
		102	last_skill_ob [i] = 0;
109		103
110	for (tmp = op->inv; tmp; tmp = tmp->below)	104	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
111	{
112	if (tmp->type == SKILL)	105	if (tmp->type == SKILL)
113	{	106	{
114	/* This is really a warning, hence no else below */	107	int idx = SKILL_INDEX (tmp);
115	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)	108
		109	assert (IN_RANGE_EXC (idx, 0, CS_NUM_SKILLS));
		110
		111	if (last_skill_ob [idx] != tmp)
116	{	112	{
117	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",	113	last_skill_ob [idx] = tmp;
118	&op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);	114	if (ns)
		115	ns->last_skill_exp [idx] = -1;
119	}	116	}
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	}	117	}
130	}	118	}
		119
		120	static object *
		121	find_skill (object *who, shstr_cmp name)
		122	{
		123	if (who->chosen_skill
		124	&& who->chosen_skill->skill == name
		125	&& who->chosen_skill->type == SKILL)
		126	return who->chosen_skill;
		127
		128	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		129	if (tmp->skill == name && tmp->type == SKILL)
		130	return splay (tmp);
		131
		132	return 0;
		133	}
		134
		135	object *
		136	player::find_skill (shstr_cmp name) const
		137	{
		138	// might want to use last_skill_obj at one point, or maybe not
		139	return ::find_skill (ob, name);
131	}	140	}
132		141
133	/* This returns the skill pointer of the given name (the	142	/* This returns the skill pointer of the given name (the
134	* one that accumlates exp, has the level, etc).	143	* one that accumulates exp, has the level, etc).
135	*	144	*
136	* It is presumed that the player will be needing to actually	145	* 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	146	* use the skill, so thus if use of the skill requires a skill
138	* tool, this code will equip it.	147	* tool, this code will equip it.
139	*/	148	*/
140	object *	149	object *
141	find_skill_by_name (object who, const char name)	150	find_skill_by_name (object *who, shstr_cmp sh)
142	{	151	{
143	object skill = NULL, skill_tool = NULL, *tmp;	152	object *skill_tool = 0;
144		153
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)	154	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		155	if (tmp->skill == sh)
153	{	156	{
154	if (tmp->type == SKILL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	157	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))
155	skill = tmp;	158	/* If this is a skill that can be used without applying tool, return it */
156		159	return splay (tmp);
157	/* Try to find appropriate skilltool. If the player has one already	160	/* Try to find appropriate skilltool. If the player has one already
158	* applied, we try to keep using that one.	161	* applied, we try to keep using that one.
159	*/	162	*/
160	else if (tmp->type == SKILL_TOOL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	163	else if (tmp->type == SKILL_TOOL && !skill_tool)
161	{
162	if (QUERY_FLAG (tmp, FLAG_APPLIED))
163	skill_tool = tmp;	164	skill_tool = tmp;
164	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
165	skill_tool = tmp;
166	}	165	}
167	}	166
168	/* If this is a skill that can be used without a tool, return it */	167	if (!skill_tool)
169	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
170	return skill;	168	return 0;
171		169
172	/* Player has a tool to use the skill. IF not applied, apply it -	170	/* 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	171	* if not successful, return null. If they do have the skill tool
174	* but not the skill itself, give it to them.	172	* but not the skill itself, give it to them.
175	*/	173	*/
176	if (skill_tool)	174	object *skill = who->give_skill (skill_tool->skill);
177	{	175
178	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))	176	if (!skill_tool->flag [FLAG_APPLIED])
179	{	177	if (!who->apply (splay (skill_tool)))
180	if (apply_special (who, skill_tool, 0))
181	return NULL;
182	}
183	if (!skill)
184	{
185	skill = give_skill_by_name (who, skill_tool->skill);
186	link_player_skills (who);
187	}
188	return skill;	178	return 0;
189	}	179
		180	return splay (skill);
		181	}
		182
		183	object *
		184	find_skill_by_name_fuzzy (object who, const char name)
		185	{
		186	if (name)
		187	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		188	if ((tmp->type == SKILL \|\| tmp->type == SKILL_TOOL)
		189	&& tmp->skill.starts_with (name))
		190	if (object *skop = find_skill_by_name (who, tmp->skill))
		191	return skop;
		192
190	return NULL;	193	return 0;
191	}	194	}
192
193		195
194	/* This returns the skill pointer of the given name (the	196	/* This returns the skill pointer of the given name (the
195	* one that accumlates exp, has the level, etc).	197	* one that accumulates exp, has the level, etc).
196	*	198	*
197	* It is presumed that the player will be needing to actually	199	* 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	200	* use the skill, so thus if use of the skill requires a skill
199	* tool, this code will equip it.	201	* tool, this code will equip it.
200	*	202	*
201	* This code is basically the same as find_skill_by_name() above,	203	* This code is basically the same as find_skill_by_name() above,
202	* but instead a skill name, we search by matching number.	204	* but instead a skill name, we search by matching number.
203	* this replaces find_skill.	205	* this replaces find_skill.
		206	*
		207	* MUST NOT BE USED IN NEW CODE! (schmorp)
204	*/	208	*/
205	object *	209	object *
206	find_skill_by_number (object *who, int skillno)	210	find_skill_by_number (object *who, int skillno)
207	{	211	{
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)	212	for (object *tmp = who->inv; tmp; tmp = tmp->below)
214	{
215	if (tmp->type == SKILL && tmp->subtype == skillno)	213	if (tmp->type == SKILL && tmp->subtype == skillno)
216	skill = tmp;	214	if (object *skop = find_skill_by_name (who, tmp->skill))
		215	return skop;
217		216
218	/* Try to find appropriate skilltool. If the player has one already	217	return 0;
219	* applied, we try to keep using that one.	218	}
220	*/	219
221	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)	220	object *
222	{	221	object::give_skill (shstr_cmp name, bool can_use)
223	if (QUERY_FLAG (tmp, FLAG_APPLIED))	222	{
224	skill_tool = tmp;	223	object *skill = find_skill (this, name);
225	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))	224
226	skill_tool = tmp;	225	if (!skill)
227	}	226	skill = give_skill_by_name (this, name);
228	}	227
229	/* If this is a skill that can be used without a tool, return it */	228	if (skill && can_use)
230	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))	229	skill->flag [FLAG_CAN_USE_SKILL] = true;
		230
231	return 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
245	if (!skill)
246	{
247	skill = give_skill_by_name (who, skill_tool->skill);
248	link_player_skills (who);
249	}
250
251	return skill;
252	}
253
254	return NULL;
255	}
256
257	/* This changes the objects skill to new_skill.
258	* note that this function doesn't always need to get used -
259	* you can now add skill exp to the player without the chosen_skill being
260	* set. This function is of most interest to players to update
261	* the various range information.
262	* if new_skill is null, this just unapplies the skill.
263	* flag has the current meaning:
264	* 0x1: If set, don't update the range pointer. This is useful when we
265	* need to ready a new skill, but don't want to clobber range.
266	* return 1 on success, 0 on error
267	*/
268
269	int
270	change_skill (object who, object new_skill, int flag)
271	{
272	int old_range;
273
274	if (who->type != PLAYER)
275	return 0;
276
277	old_range = who->contr->shoottype;
278
279	if (who->chosen_skill && who->chosen_skill == new_skill)
280	{
281	/* optimization for changing skill to current skill */
282	if (who->type == PLAYER && !(flag & 0x1))
283	who->contr->shoottype = range_skill;
284
285	return 1;
286	}
287
288	// move skill to front, so it will be preferred next time
289	new_skill->remove ();
290	who->insert (new_skill);
291
292	if (!new_skill \|\| who->chosen_skill)
293	if (who->chosen_skill)
294	apply_special (who, who->chosen_skill, AP_UNAPPLY);
295
296	/* Only goal in this case was to unapply a skill */
297	if (!new_skill)
298	return 0;
299
300	if (apply_special (who, new_skill, AP_APPLY))
301	return 0;
302
303	if (flag & 0x1)
304	who->contr->shoottype = (rangetype)old_range;
305
306	return 1;
307	}
308
309	/* This function just clears the chosen_skill and range_skill values
310	* inthe player.
311	*/
312	void
313	clear_skill (object *who)
314	{
315	who->chosen_skill = NULL;
316	CLEAR_FLAG (who, FLAG_READY_SKILL);
317	if (who->type == PLAYER)
318	{
319	who->contr->ranges[range_skill] = NULL;
320	if (who->contr->shoottype == range_skill)
321	who->contr->shoottype = range_none;
322	}
323	}	232	}
324		233
325	/* do_skill() - Main skills use function-similar in scope to cast_spell().	234	/* do_skill() - Main skills use function-similar in scope to cast_spell().
326	* We handle all requests for skill use outside of some combat here.	235	* We handle all requests for skill use outside of some combat here.
327	* We require a separate routine outside of fire() so as to allow monsters	236	* We require a separate routine outside of fire() so as to allow monsters
…		…
330	* exp - no caller needed that info, but it also prevented the callers	239	* exp - no caller needed that info, but it also prevented the callers
331	* from know if a skill was actually used, as many skills don't	240	* from know if a skill was actually used, as many skills don't
332	* give any exp for their direct use (eg, throwing).	241	* give any exp for their direct use (eg, throwing).
333	* It returns 0 if no skill was used.	242	* It returns 0 if no skill was used.
334	*/	243	*/
335
336	int	244	int
337	do_skill (object op, object part, object skill, int dir, const char string)	245	do_skill (object op, object part, object skill, int dir, const char string)
338	{	246	{
339	int success = 0, exp = 0;	247	int success = 0, exp = 0;
340	int did_alc = 0;
341	object tmp, next;
342		248
343	if (!skill)	249	if (!skill)
344	return 0;	250	return 0;
345		251
346	/* The code below presumes that the skill points to the object that	252	/* The code below presumes that the skill points to the object that
…		…
348	* go and try to find the actual real skill pointer, and if the	254	* go and try to find the actual real skill pointer, and if the
349	* the player doesn't have a bucket for that, create one.	255	* the player doesn't have a bucket for that, create one.
350	*/	256	*/
351	if (skill->type != SKILL && op->type == PLAYER)	257	if (skill->type != SKILL && op->type == PLAYER)
352	{	258	{
353	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	259	for (object *tmp = op->inv; tmp; tmp = tmp->below)
354	{
355	if (tmp->type == SKILL && tmp->skill == skill->skill)	260	if (tmp->type == SKILL && tmp->skill == skill->skill)
356	break;	261	{
		262	skill = tmp;
		263	goto found;
357	}	264	}
358	if (!tmp)	265
359	tmp = give_skill_by_name (op, skill->skill);	266	skill = give_skill_by_name (op, skill->skill);
360	skill = tmp;	267	found: ;
361	}	268	}
362		269
363	// skill, by_whom, on_which_object, which direction, skill_argument	270	// skill, by_whom, on_which_object, which direction, skill_argument
364	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))	271	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))
365	return 0;	272	return 0;
366		273
367	switch (skill->subtype)	274	switch (skill->subtype)
368	{	275	{
369	case SK_LEVITATION:	276	case SK_LEVITATION:
370	/* Not 100% sure if this will work with new movement code -	277	/* Not 100% sure if this will work with new movement code -
371	* the levitation skill has move_type for flying, so when	278	* the levitation skill has move_type for flying, so when
372	* equipped, that should transfer to player, when not,	279	* equipped, that should transfer to player, when not,
373	* shouldn't.	280	* shouldn't.
374	*/	281	*/
375	if (QUERY_FLAG (skill, FLAG_APPLIED))	282	if (skill->flag [FLAG_APPLIED])
376	{	283	{
377	CLEAR_FLAG (skill, FLAG_APPLIED);	284	skill->clr_flag (FLAG_APPLIED);
378	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	285	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
379	}	286	}
380	else	287	else
381	{	288	{
382	SET_FLAG (skill, FLAG_APPLIED);	289	skill->set_flag (FLAG_APPLIED);
383	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	290	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
384	}	291	}
385	fix_player (op);	292
		293	op->update_stats ();
386	success = 1;	294	success = 1;
387	break;	295	break;
388		296
389	case SK_STEALING:	297	case SK_STEALING:
390	exp = success = steal (op, dir, skill);	298	exp = success = steal (op, dir, skill);
391	break;	299	break;
392		300
393	case SK_LOCKPICKING:	301	case SK_LOCKPICKING:
394	exp = success = pick_lock (op, dir, skill);	302	exp = success = pick_lock (op, dir, skill);
395	break;	303	break;
396		304
397	case SK_HIDING:	305	case SK_HIDING:
398	exp = success = hide (op, skill);	306	exp = success = hide (op, skill);
399	break;	307	break;
400		308
401	case SK_JUMPING:	309	case SK_JUMPING:
402	success = jump (op, dir, skill);	310	exp = success = jump (op, dir, skill);
403	break;	311	break;
404		312
405	case SK_INSCRIPTION:	313	case SK_INSCRIPTION:
406	exp = success = write_on_item (op, string, skill);	314	exp = success = write_on_item (op, string, skill);
407	break;	315	break;
408		316
409	case SK_MEDITATION:	317	case SK_MEDITATION:
410	meditate (op, skill);	318	meditate (op, skill);
411	success = 1;	319	success = 1;
412	break;	320	break;
413	/* note that the following 'attack' skills gain exp through hit_player() */	321	/* note that the following 'attack' skills gain exp through hit_player() */
414		322
415	case SK_KARATE:	323	case SK_KARATE:
416	(void) attack_hth (op, dir, "karate-chopped", skill);	324	attack_hth (op, dir, "karate-chopped", skill);
417	break;	325	break;
418		326
419	case SK_PUNCHING:	327	case SK_PUNCHING:
420	(void) attack_hth (op, dir, "punched", skill);	328	attack_hth (op, dir, "punched", skill);
421	break;	329	break;
422		330
423	case SK_FLAME_TOUCH:	331	case SK_FLAME_TOUCH:
424	(void) attack_hth (op, dir, "flamed", skill);	332	attack_hth (op, dir, "flamed", skill);
425	break;	333	break;
426		334
427	case SK_SPARK_TOUCH:	335	case SK_SPARK_TOUCH:
428	(void) attack_hth (op, dir, "zapped", skill);	336	attack_hth (op, dir, "zapped", skill);
429	break;	337	break;
430		338
431	case SK_SHIVER:	339	case SK_SHIVER:
432	(void) attack_hth (op, dir, "froze", skill);	340	attack_hth (op, dir, "froze", skill);
433	break;	341	break;
434		342
435	case SK_ACID_SPLASH:	343	case SK_ACID_SPLASH:
436	(void) attack_hth (op, dir, "dissolved", skill);	344	attack_hth (op, dir, "dissolved", skill);
437	break;	345	break;
438		346
439	case SK_POISON_NAIL:	347	case SK_POISON_NAIL:
440	(void) attack_hth (op, dir, "injected poison into", skill);	348	attack_hth (op, dir, "injected poison into", skill);
441	break;	349	break;
442		350
443	case SK_CLAWING:	351	case SK_CLAWING:
444	(void) attack_hth (op, dir, "clawed", skill);	352	attack_hth (op, dir, "clawed", skill);
445	break;	353	break;
446		354
447	case SK_ONE_HANDED_WEAPON:	355	case SK_ONE_HANDED_WEAPON:
448	case SK_TWO_HANDED_WEAPON:	356	case SK_TWO_HANDED_WEAPON:
449	(void) attack_melee_weapon (op, dir, NULL, skill);	357	attack_melee_weapon (op, dir, NULL, skill);
450	break;	358	break;
451		359
452	case SK_FIND_TRAPS:	360	case SK_FIND_TRAPS:
453	exp = success = find_traps (op, skill);	361	exp = success = find_traps (op, skill);
454	break;	362	break;
455		363
456	case SK_SINGING:	364	case SK_SINGING:
457	exp = success = singing (op, dir, skill);	365	exp = success = singing (op, dir, skill);
458	break;	366	break;
459		367
460	case SK_ORATORY:	368	case SK_ORATORY:
461	exp = success = use_oratory (op, dir, skill);	369	exp = success = use_oratory (op, dir, skill);
462	break;	370	break;
463		371
464	case SK_SMITHERY:	372	case SK_SMITHERY:
465	case SK_BOWYER:	373	case SK_BOWYER:
466	case SK_JEWELER:	374	case SK_JEWELER:
467	case SK_ALCHEMY:	375	case SK_ALCHEMY:
468	case SK_THAUMATURGY:	376	case SK_THAUMATURGY:
469	case SK_LITERACY:	377	case SK_LITERACY:
470	case SK_WOODSMAN:	378	case SK_WOODSMAN:
471	/* first, we try to find a cauldron, and do the alchemy thing.	379	/* first, we try to find a cauldron, and do the alchemy thing.
472	* failing that, we go and identify stuff.	380	* failing that, we go and identify stuff.
473	*/	381	*/
		382	{
		383	bool found_cauldron = false;
		384
474	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = next)	385	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
475	{	386	{
476	next = tmp->above;	387	next = tmp->above;
477		388
478	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	389	if (tmp->flag [FLAG_IS_CAULDRON])
479	{	390	{
		391	found_cauldron = true;
		392
		393	if (tmp->skill != skill->skill)
		394	{
		395	op->failmsgf ("You can't use the %s with the %s skill!",
		396	query_name (tmp),
		397	query_name (skill));
		398	break;
		399	}
		400
480	attempt_do_alchemy (op, tmp);	401	attempt_do_alchemy (op, tmp, skill);
481		402
482	if (QUERY_FLAG (tmp, FLAG_APPLIED))	403	if (tmp->flag [FLAG_APPLIED])
483	esrv_send_inventory (op, tmp);	404	esrv_send_inventory (op, tmp);
484
485	did_alc = 1;
486	}	405	}
487	}	406	}
488		407
489	if (did_alc == 0)	408	if (!found_cauldron)
490	exp = success = skill_ident (op, skill);	409	exp = success = skill_ident (op, skill);
491		410	}
492	break;	411	break;
493		412
494	case SK_DET_MAGIC:	413	case SK_DET_MAGIC:
495	case SK_DET_CURSE:	414	case SK_DET_CURSE:
496	exp = success = skill_ident (op, skill);	415	exp = success = skill_ident (op, skill);
497	break;	416	break;
498		417
499	case SK_DISARM_TRAPS:	418	case SK_DISARM_TRAPS:
500	exp = success = remove_trap (op, dir, skill);	419	exp = success = remove_trap (op, dir, skill);
501	break;	420	break;
502		421
503	case SK_THROWING:	422	case SK_THROWING:
504	success = skill_throw (op, part, dir, string, skill);	423	success = skill_throw (op, part, dir, string, skill);
505	break;	424	break;
506		425
507	case SK_SET_TRAP:	426	case SK_SET_TRAP:
508	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");	427	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");
509	break;	428	break;
510		429
511	case SK_USE_MAGIC_ITEM:	430	case SK_USE_MAGIC_ITEM:
512	case SK_MISSILE_WEAPON:	431	case SK_MISSILE_WEAPON:
513	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");	432	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");
514	break;	433	break;
515		434
516	case SK_PRAYING:	435	case SK_PRAYING:
517	success = pray (op, skill);	436	success = pray (op, skill);
518	break;	437	break;
519		438
520	case SK_BARGAINING:	439	case SK_BARGAINING:
521	success = describe_shop (op);	440	success = describe_shop (op);
522	break;	441	break;
523		442
524	case SK_SORCERY:	443	case SK_SORCERY:
525	case SK_EVOCATION:	444	case SK_EVOCATION:
526	case SK_PYROMANCY:	445	case SK_PYROMANCY:
527	case SK_SUMMONING:	446	case SK_SUMMONING:
528	case SK_CLIMBING:	447	case SK_CLIMBING:
529	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	448	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
530	break;	449	break;
531		450
		451	case SK_MINING:
		452	success = skill_mining (op, part, skill, dir, string);
		453	break;
		454
532	default:	455	default:
533	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	456	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
534	break;	457	break;
535	}	458	}
536		459
537	/* For players we now update the speed_left from using the skill.	460	/* For players we now update the speed_left from using the skill.
538	* Monsters have no skill use time because of the random nature in	461	* Monsters have no skill use time because of the random nature in
539	* which use_monster_skill is called already simulates this.	462	* which use_monster_skill is called already simulates this.
540	* If certain skills should take more/less time, that should be	463	* If certain skills should take more/less time, that should be
541	* in the code for the skill itself.	464	* in the code for the skill itself.
542	*/	465	*/
543
544	if (op->type == PLAYER)	466	if (op->type == PLAYER)
545	op->speed_left -= 1.0;	467	op->speed_left -= 1.f;
546		468
547	/* this is a good place to add experience for successfull use of skills.	469	/* this is a good place to add experience for successfull use of skills.
548	* Note that add_exp() will figure out player/monster experience	470	* Note that add_exp() will figure out player/monster experience
549	* gain problems.	471	* gain problems.
550	*/	472	*/
…		…
578	* op is the object that was 'defeated'.	500	* op is the object that was 'defeated'.
579	* skill is the skill used. If no skill is used, it should just	501	* skill is the skill used. If no skill is used, it should just
580	* point back to who.	502	* point back to who.
581	*	503	*
582	*/	504	*/
583
584	int	505	int
585	calc_skill_exp (object who, object op, object *skill)	506	calc_skill_exp (object who, object op, object *skill)
586	{	507	{
587	int op_exp = 0, op_lvl = 0;	508	int op_exp = 0, op_lvl = 0;
588	float base, value, lvl_mult = 0.0;	509	float base, value, lvl_mult = 0.0;
…		…
597	* If an object is not alive and magical we set the base exp higher to	518	* If an object is not alive and magical we set the base exp higher to
598	* help out exp awards for skill_ident skills. Also, if	519	* help out exp awards for skill_ident skills. Also, if
599	* an item is type RUNE, we give out exp based on stats.Cha	520	* an item is type RUNE, we give out exp based on stats.Cha
600	* and level (this was the old system) -b.t.	521	* and level (this was the old system) -b.t.
601	*/	522	*/
602
603	if (!op)	523	if (!op)
604	{ /* no item/creature */	524	{ /* no item/creature */
605	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	525	op_lvl = max (1, who->map->difficulty);
606	op_exp = 0;	526	op_exp = 0;
607	}	527	}
608	else if (op->type == RUNE \|\| op->type == TRAP)	528	else if (op->type == RUNE \|\| op->type == TRAP)
609	{ /* all traps. If stats.Cha > 1 we use that	529	{ /* all traps. If stats.Cha > 1 we use that
610	* for the amount of experience */	530	* for the amount of experience */
…		…
613	}	533	}
614	else	534	else
615	{ /* all other items/living creatures */	535	{ /* all other items/living creatures */
616	op_exp = op->stats.exp;	536	op_exp = op->stats.exp;
617	op_lvl = op->level;	537	op_lvl = op->level;
618	if (!QUERY_FLAG (op, FLAG_ALIVE))	538	if (!op->flag [FLAG_ALIVE])
619	{ /* for ident/make items */	539	op_lvl += 5 * abs (op->magic); /* for ident/make items */
620	op_lvl += 5 * abs (op->magic);
621	}
622	}	540	}
623		541
624	if (op_lvl < 1)	542	if (op_lvl < 1)
625	op_lvl = 1;	543	op_lvl = 1;
626		544
…		…
634	/* if skill really is a skill, then we can look at the skill archetype for	552	/* if skill really is a skill, then we can look at the skill archetype for
635	* bse reward value (exp) and level multiplier factor.	553	* bse reward value (exp) and level multiplier factor.
636	*/	554	*/
637	if (skill->type == SKILL)	555	if (skill->type == SKILL)
638	{	556	{
639	base += skill->arch->clone.stats.exp;	557	base += skill->arch->stats.exp;
640	if (settings.simple_exp)	558	if (settings.simple_exp)
641	{	559	{
642	if (skill->arch->clone.level)	560	if (skill->arch->level)
643	lvl_mult = (float) skill->arch->clone.level / 100.0;	561	lvl_mult = (float) skill->arch->level / 100.0;
644	else	562	else
645	lvl_mult = 1.0; /* no adjustment */	563	lvl_mult = 1.0; /* no adjustment */
646	}	564	}
647	else	565	else
648	{	566	{
649	if (skill->level)	567	if (skill->level)
650	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	568	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
651	else	569	else
652	lvl_mult = 1.0;	570	lvl_mult = 1.0;
653	}	571	}
654	}	572	}
655	else	573	else
656	{	574	{
657	/* Don't divide by zero here! */	575	/* Don't divide by zero here! */
658	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	576	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
659	}	577	}
660	}	578	}
661		579
662	/* assemble the exp total, and return value */	580	/* assemble the exp total, and return value */
663		581
…		…
677	* This one actually teaches the player the skill as something	595	* This one actually teaches the player the skill as something
678	* they can equip.	596	* they can equip.
679	* Return 0 if the player knows the skill, 1 if the	597	* Return 0 if the player knows the skill, 1 if the
680	* player learns the skill, 2 otherwise.	598	* player learns the skill, 2 otherwise.
681	*/	599	*/
682
683	int	600	int
684	learn_skill (object pl, object scroll)	601	learn_skill (object pl, object scroll)
685	{	602	{
686	object *tmp;
687
688	if (!scroll->skill)	603	if (!scroll->skill)
689	{	604	{
690	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	605	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
691	return 2;	606	return 2;
692	}	607	}
693		608
694	/* can't use find_skill_by_name because we want skills the player knows	609	object *tmp = find_skill (pl, scroll->skill);
695	* but can't use natively.
696	*/
697
698	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
699	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
700	break;
701		610
702	/* player already knows it */	611	/* player already knows it */
703	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	612	if (tmp && tmp->flag [FLAG_CAN_USE_SKILL])
704	return 0;	613	return 0;
705		614
706	/* now a random change to learn, based on player Int.	615	/* now a random change to learn, based on player Int.
707	* give bonus based on level - otherwise stupid characters	616	* give bonus based on level - otherwise stupid characters
708	* might never be able to learn anything.	617	* might never be able to learn anything.
…		…
717	{	626	{
718	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);	627	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
719	return 2;	628	return 2;
720	}	629	}
721		630
722	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);	631	tmp->set_flag (FLAG_CAN_USE_SKILL);
723	link_player_skills (pl);	632
724	return 1;	633	return 1;
725	}	634	}
726		635
727	/* Gives a percentage clipped to 0% -> 100% of a/b. */	636	/* Gives a percentage clipped to 0% -> 100% of a/b. */
728
729	/* Probably belongs in some global utils-type file? */	637	/* Probably belongs in some global utils-type file? */
730	static int	638	static int
731	clipped_percent (sint64 a, sint64 b)	639	clipped_percent (sint64 a, sint64 b)
732	{	640	{
733	int rv;	641	int rv;
…		…
753	* Note this function is a bit more complicated becauase we	661	* Note this function is a bit more complicated becauase we
754	* we want ot sort the skills before printing them. If we	662	* we want ot sort the skills before printing them. If we
755	* just dumped this as we found it, this would be a bit	663	* just dumped this as we found it, this would be a bit
756	* simpler.	664	* simpler.
757	*/	665	*/
758		666	//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
759	void	667	void
760	show_skills (object op, const char search)	668	show_skills (object pl, const char search)
761	{	669	{
762	object *tmp = NULL;
763	char buf[MAX_BUF];
764	const char *cp;	670	const char *cp;
765	int i, num_skills_found = 0;	671	int i, num_skills_found = 0;
766	static const char *const periods = "........................................";	672	const char *const periods = ".............................."; // 30
767		673
768	/* Need to have a pointer and use strdup for qsort to work properly */	674	/* Need to have a pointer and use strdup for qsort to work properly */
769	char skills[NUM_SKILLS][MAX_BUF];	675	char skills[NUM_SKILLS][128]; // d'oh
770		676
		677	object *op = pl->contr->ob;
771		678
772	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	679	for (object *tmp = op->inv; tmp; tmp = tmp->below)
773	{	680	{
774	if (tmp->type == SKILL)	681	if (tmp->type == SKILL)
775	{	682	{
776	if (search && strstr (tmp->name, search) == NULL)	683	if (search && !tmp->name.contains (search))
777	continue;	684	continue;
		685
		686	char buf[30];
		687
778	/* Basically want to fill this out to 40 spaces with periods */	688	/* Basically want to fill this out to 30 spaces with periods */
779	sprintf (buf, "%s%s", &tmp->name, periods);	689	snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
780	buf[40] = 0;
781		690
782	if (settings.permanent_exp_ratio)	691	if (settings.permanent_exp_ratio)
783	{
784	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld/%d%%)",	692	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
785	buf, tmp->level,	693	buf, tmp->level, tmp->stats.exp,
786	(long long) tmp->stats.exp,
787	(long long) level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));	694	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
788	}
789	else	695	else
790	{
791	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld)",	696	snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
792	buf, tmp->level, (long long) tmp->stats.exp, (long long) level_exp (tmp->level + 1, op->expmul));	697	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
793	}	698
794	/* I don't know why some characters get a bunch of skills, but	699	/* I don't know why some characters get a bunch of skills, but
795	* it sometimes happens (maybe a leftover from bugier earlier code	700	* it sometimes happens (maybe a leftover from bugier earlier code
796	* and those character are still about). In any case, lets handle	701	* and those character are still about). In any case, lets handle
797	* it so it doesn't crash the server - otherwise, one character may	702	* it so it doesn't crash the server - otherwise, one character may
798	* crash the server numerous times.	703	* crash the server numerous times.
799	*/	704	*/
800	if (num_skills_found >= NUM_SKILLS)	705	if (num_skills_found >= NUM_SKILLS)
801	{	706	{
802	new_draw_info (NDI_RED, 0, op, "Your character has too many skills.");	707	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Your character has too many skills.");
803	new_draw_info (NDI_RED, 0, op, "Something isn't right - contact the server admin");	708	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Something isn't right - contact the server admin");
804	break;	709	break;
805	}	710	}
806	}	711	}
807	}	712	}
808		713
809	clear_win_info (op);	714	dynbuf_text &msg = msg_dynbuf; msg.clear ();
810	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	715
		716	msg << "T<Player skills:>\n\n";
811	if (num_skills_found > 1)	717	if (num_skills_found > 1)
812	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) strcmp);	718	qsort (skills, num_skills_found, sizeof (skills [0]), (int ()(const void , const void *)) std::strcmp);
813		719
814	for (i = 0; i < num_skills_found; i++)	720	for (i = 0; i < num_skills_found; i++)
815	{	721	msg << " C<" << skills [i] << ">\n";
816	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);
817	}
818		722
819	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	723	msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
820		724
821	cp = determine_god (op);	725	cp = determine_god (op);
822	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	726	msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
823		727
824	new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n",	728	msg << "Your equipped item power is " << (int)op->contr->item_power
825	op->contr->item_power, (int) (op->level * settings.item_power_factor));	729	<< " out of " << int (op->level * settings.item_power_factor)
		730	<< ".\n";
		731
		732	pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
826	}	733	}
827		734
828	/* use_skill() - similar to invoke command, it executes the skill in the	735	/* use_skill() - similar to invoke command, it executes the skill in the
829	* direction that the user is facing. Returns false if we are unable to	736	* direction that the user is facing. Returns false if we are unable to
830	* change to the requested skill, or were unable to use the skill properly.	737	* change to the requested skill, or were unable to use the skill properly.
831	* This is tricky because skills can have spaces. We basically roll	738	* This is tricky because skills can have spaces. We basically roll
832	* our own find_skill_by_name so we can try to do better string matching.	739	* our own find_skill_by_name so we can try to do better string matching.
833	*/	740	*/
834
835	int	741	int
836	use_skill (object op, const char string)	742	use_skill (object op, const char string)
837	{	743	{
838	object *skop;	744	object *skop;
839	size_t len;	745	size_t len;
840		746
841	if (!string)	747	if (!string)
842	return 0;	748	return 0;
843		749
844	for (skop = op->inv; skop != NULL; skop = skop->below)	750	for (skop = op->inv; skop; skop = skop->below)
845	{	751	if ((skop->type == SKILL \|\| skop->type == SKILL_TOOL)
846	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&
847	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	752	&& !strncmp (string, skop->skill, min (strlen (string), strlen (skop->skill))))
		753	{
		754	skop = find_skill_by_name (op, skop->skill);
848	break;	755	break;
849	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
850	break;
851	}	756	}
		757
852	if (!skop)	758	if (!skop)
853	{	759	{
854	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	760	op->failmsgf ("Unable to find skill %s.", string);
		761	return 0;
		762	}
		763
		764	if (!(skill_flags [skop->subtype] & SF_USE))
		765	{
		766	op->failmsgf (
		767	"You feel as if you wanted to do something funny, but you can't remember what. "
		768	"H<The %s skill cannot be C<use_skill>'ed - maybe you need to C<ready_skill> it, "
		769	"use it with some item, or it's always active.>",
		770	&skop->skill
		771	);
855	return 0;	772	return 0;
856	}	773	}
857		774
858	len = strlen (skop->skill);	775	len = strlen (skop->skill);
859		776
…		…
861	* options given to the skill. Its pretty simple - if there	778	* options given to the skill. Its pretty simple - if there
862	* are extra parameters (as deteremined by string length), we	779	* are extra parameters (as deteremined by string length), we
863	* want to skip over any leading spaces.	780	* want to skip over any leading spaces.
864	*/	781	*/
865	if (len >= strlen (string))	782	if (len >= strlen (string))
866	{
867	string = NULL;	783	string = NULL;
868	}
869	else	784	else
870	{	785	{
871	string += len;	786	string += len;
872	while (*string == 0x20)	787	while (*string == 0x20)
873	string++;	788	string++;
		789
874	if (strlen (string) == 0)	790	if (strlen (string) == 0)
875	string = NULL;	791	string = NULL;
876	}	792	}
877		793
878	#ifdef SKILL_UTIL_DEBUG	794	#ifdef SKILL_UTIL_DEBUG
879	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	795	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
880	#endif	796	#endif
881		797
882	/* Change to the new skill, then execute it. */
883	if (do_skill (op, op, skop, op->facing, string))	798	if (do_skill (op, op, skop, op->facing, string))
884	return 1;	799	return 1;
885		800
886	return 0;	801	return 0;
887	}	802	}
888		803
889	static bool	804	static bool
890	hth_skill_p (object *skill)	805	hth_skill_p (object *skill)
891	{	806	{
892	for (unsigned int i = 0; i < sizeof (unarmed_skills); ++i)	807	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_ITEM)) == SF_COMBAT;
893	if (skill->subtype == unarmed_skills[i])
894	return 1;
895
896	return 0;
897	}	808	}
898		809
899	/* This finds the first unarmed skill the player has, and returns it.	810	/* This finds the first unarmed skill the player has, and returns it.
900	*/	811	*/
901	static object *	812	static object *
902	find_player_hth_skill (object *op)	813	find_player_hth_skill (object *op)
903	{	814	{
904	for (object *tmp = op->inv; tmp; tmp = tmp->below)	815	for (object *tmp = op->inv; tmp; tmp = tmp->below)
905	if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp))	816	if (tmp->type == SKILL && tmp->flag [FLAG_CAN_USE_SKILL] && hth_skill_p (tmp))
906	return tmp;	817	return tmp;
907		818
908	return 0;	819	return 0;
909	}	820	}
910		821
…		…
915	* tmp is the targetted monster.	826	* tmp is the targetted monster.
916	* op is what is attacking	827	* op is what is attacking
917	* string is passed along to describe what messages to describe	828	* string is passed along to describe what messages to describe
918	* the damage.	829	* the damage.
919	*/	830	*/
920
921	static int	831	static int
922	do_skill_attack (object tmp, object op, const char string, object skill)	832	do_skill_attack (object tmp, object op, const char string, object skill)
923	{	833	{
924	int success;
925
926	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))	834	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))
927	return RESULT_INT (0);	835	return RESULT_INT (0);
928		836
929	/* For Players only: if there is no ready weapon, and no "attack" skill	837	/* For Players only: if there is no ready weapon, and no "attack" skill
930	* is readied either then try to find a skill for the player to use.	838	* is readied either then try to find a skill for the player to use.
931	* it is presumed that if skill is set, it is a valid attack skill (eg,	839	* it is presumed that if skill is set, it is a valid attack skill (eg,
932	* the caller should have set it appropriately). We still want to pass	840	* the caller should have set it appropriately). We still want to pass
933	* through that code if skill is set to change to the skill.	841	* through that code if skill is set to change to the skill.
934	*/	842	*/
935	if (op->type == PLAYER)	843	if (player *pl = op->contr)
936	{	844	{
937	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	845	if (skill)
938	{	846	{
939	if (!skill)	847	if (!op->apply (skill))
940	{
941	/* See if the players chosen skill is a combat skill, and use
942	* it if appropriate.
943	*/
944	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
945	skill = op->chosen_skill;
946	else
947	{
948	skill = find_player_hth_skill (op);
949
950	if (!skill)
951	{
952	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
953	return 0;
954	}
955	}
956	}
957
958	/* now try to ready the new skill */
959	if (!change_skill (op, skill, 0))
960	{ /* oh oh, trouble! */
961	new_draw_info_format (NDI_UNIQUE, 0, tmp, "Couldn't change to skill %s", &skill->name);
962	return 0;	848	return 0;
963	}
964	}	849	}
965	else	850	else
966	{	851	{
967	/* Seen some crashes below where current_weapon is not set,	852	if (!pl->combat_ob)
968	* even though the flag says it is. So if current weapon isn't set,
969	* do some work in trying to find the object to use.
970	*/
971	if (!op->current_weapon)
972	{	853	{
973	object *tmp;	854	if (op->flag [FLAG_READY_WEAPON])
974
975	LOG (llevError, "Player %s does not have current weapon set but flag_ready_weapon is set\n", &op->name);
976	for (tmp = op->inv; tmp; tmp = tmp->below)
977	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
978	break;
979
980	if (!tmp)
981	{	855	{
		856	for (tmp = op->inv; tmp; tmp = tmp->below)
		857	if (tmp->type == WEAPON && tmp->flag [FLAG_APPLIED])
		858	break;
		859
		860	if (!tmp)
982	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);	861	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
983	op->current_weapon = NULL;	862
		863	pl->combat_ob = tmp;
		864	}
		865
		866	if (!pl->combat_ob)
		867	{
		868	/* See if the players chosen skill is a combat skill, and use
		869	* it if appropriate.
		870	*/
		871	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
		872	skill = op->chosen_skill;
		873	else
		874	{
		875	skill = find_player_hth_skill (op);
		876
		877	if (!skill)
		878	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
		879	}
		880
		881	op->apply (skill);
		882	}
		883
		884	if (!pl->combat_ob)
		885	{
		886	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
984	return 0;	887	return 0;
985	}	888	}
986	else
987	{
988	op->current_weapon = tmp;
989	}
990	}	889	}
991		890
992	change_skill (op, find_skill_by_name (op, op->current_weapon->skill), 1);	891	if (!op->apply (pl->combat_ob))
		892	return 0;
993	}	893	}
994	}
995		894
996	/* lose invisiblity/hiding status for running attacks */	895	/* lose invisiblity/hiding status for running attacks */
997		896	if (pl->tmp_invis)
998	if (op->type == PLAYER && op->contr->tmp_invis)	897	{
999	{
1000	op->contr->tmp_invis = 0;	898	pl->tmp_invis = 0;
1001	op->invisible = 0;	899	op->invisible = 0;
1002	op->hide = 0;	900	op->flag [FLAG_HIDDEN] = 0;
1003	update_object (op, UP_OBJ_FACE);	901	update_object (op, UP_OBJ_CHANGE);
		902	}
1004	}	903	}
1005		904
1006	success = attack_ob (tmp, op);	905	int success = attack_ob (tmp, op);
1007		906
1008	/* print appropriate messages to the player */	907	/* print appropriate messages to the player */
1009		908
1010	if (success && string != NULL && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	909	if (success && string && tmp && !tmp->flag [FLAG_FREED])
1011	{	910	{
1012	if (op->type == PLAYER)	911	if (op->type == PLAYER)
1013	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	912	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
1014	else if (tmp->type == PLAYER)	913	else if (tmp->type == PLAYER)
1015	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	914	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
1016	}	915	}
		916
1017	return success;	917	return success;
1018	}	918	}
1019
1020		919
1021	/* skill_attack() - Core routine for use when we attack using a skills	920	/* skill_attack() - Core routine for use when we attack using a skills
1022	* system. In essence, this code handles	921	* system. In essence, this code handles
1023	* all skill-based attacks, ie hth, missile and melee weapons should be	922	* all skill-based attacks, i.e. hth, missile and melee weapons should be
1024	* treated here. If an opponent is already supplied by move_player(),	923	* treated here. If an opponent is already supplied by move_player(),
1025	* we move right onto do_skill_attack(), otherwise we find if an	924	* we move right onto do_skill_attack(), otherwise we find if an
1026	* appropriate opponent exists.	925	* appropriate opponent exists.
1027	*	926	*
1028	* This is called by move_player() and attack_hth()	927	* This is called by move_player() and attack_hth()
1029	*	928	*
1030	* Initial implementation by -bt thomas@astro.psu.edu	929	* Initial implementation by -bt thomas@astro.psu.edu
1031	*/	930	*/
1032
1033	int	931	int
1034	skill_attack (object tmp, object pl, int dir, const char string, object skill)	932	skill_attack (object tmp, object pl, int dir, const char string, object skill)
1035	{	933	{
1036	sint16 tx, ty;	934	sint16 tx, ty;
1037	maptile *m;	935	maptile *m;
…		…
1044	ty = freearr_y[dir];	942	ty = freearr_y[dir];
1045		943
1046	/* If we don't yet have an opponent, find if one exists, and attack.	944	/* If we don't yet have an opponent, find if one exists, and attack.
1047	* Legal opponents are the same as outlined in move_player_attack()	945	* Legal opponents are the same as outlined in move_player_attack()
1048	*/	946	*/
1049		947	if (!tmp)
1050	if (tmp == NULL)
1051	{	948	{
1052	m = pl->map;	949	m = pl->map;
1053	tx = pl->x + freearr_x[dir];	950	tx = pl->x + freearr_x[dir];
1054	ty = pl->y + freearr_y[dir];	951	ty = pl->y + freearr_y[dir];
1055		952
…		…
1059		956
1060	/* space must be blocked for there to be anything interesting to do */	957	/* space must be blocked for there to be anything interesting to do */
1061	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))	958	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))
1062	return 0;	959	return 0;
1063		960
1064	for (tmp = get_map_ob (m, tx, ty); tmp; tmp = tmp->above)	961	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)
1065	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	962	if ((tmp->flag [FLAG_ALIVE] && tmp->stats.hp >= 0) \|\| tmp->flag [FLAG_CAN_ROLL] \|\| tmp->type == LOCKED_DOOR)
1066	{	963	{
1067	/* Don't attack party members */	964	/* Don't attack party members */
1068	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	965	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1069	return 0;	966	return 0;
		967
1070	break;	968	break;
1071	}	969	}
1072	}	970	}
		971
1073	if (!tmp)	972	if (!tmp)
1074	{	973	{
1075	if (pl->type == PLAYER)	974	if (pl->type == PLAYER)
1076	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");	975	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");
		976
1077	return 0;	977	return 0;
1078	}	978	}
1079		979
1080	return do_skill_attack (tmp, pl, string, skill);	980	return do_skill_attack (tmp, pl, string, skill);
1081	}	981	}
1082
1083		982
1084	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */	983	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */
1085		984
1086	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first	985	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first
1087	* (attack_hth) we check for weapon use, etc in the second (the new	986	* (attack_hth) we check for weapon use, etc in the second (the new
1088	* function skill_attack() we actually attack.	987	* function skill_attack() we actually attack.
1089	*/	988	*/
1090
1091	static int	989	static int
1092	attack_hth (object pl, int dir, const char string, object *skill)	990	attack_hth (object pl, int dir, const char string, object *skill)
1093	{	991	{
1094	object enemy = NULL, weapon;	992	object enemy = NULL, weapon;
1095		993
1096	if (QUERY_FLAG (pl, FLAG_READY_WEAPON))	994	if (pl->flag [FLAG_READY_WEAPON])
1097	for (weapon = pl->inv; weapon; weapon = weapon->below)	995	for (weapon = pl->inv; weapon; weapon = weapon->below)
1098	{	996	{
1099	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))	997	if (weapon->type == WEAPON && weapon->flag [FLAG_APPLIED])
1100	{	998	{
1101	CLEAR_FLAG (weapon, FLAG_APPLIED);	999	weapon->clr_flag (FLAG_APPLIED);
1102	CLEAR_FLAG (pl, FLAG_READY_WEAPON);	1000	pl->clr_flag (FLAG_READY_WEAPON);
1103	fix_player (pl);	1001	pl->update_stats ();
1104	if (pl->type == PLAYER)	1002	if (pl->type == PLAYER)
1105	{	1003	{
1106	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	1004	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1107	esrv_update_item (UPD_FLAGS, pl, weapon);	1005	esrv_update_item (UPD_FLAGS, pl, weapon);
1108	}	1006	}
		1007
1109	break;	1008	break;
1110	}	1009	}
1111	}	1010	}
		1011
1112	return skill_attack (enemy, pl, dir, string, skill);	1012	return skill_attack (enemy, pl, dir, string, skill);
1113	}	1013	}
1114
1115		1014
1116	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.	1015	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.
1117	* For now we are just checking to see if we have a ready weapon here.	1016	* For now we are just checking to see if we have a ready weapon here.
1118	* But there is a real neato possible feature of this scheme which	1017	* But there is a real neato possible feature of this scheme which
1119	* bears mentioning:	1018	* bears mentioning:
1120	* Since we are only calling this from do_skill() in the future	1019	* Since we are only calling this from do_skill() in the future
1121	* we may make this routine handle 'special' melee weapons attacks	1020	* we may make this routine handle 'special' melee weapons attacks
1122	* (like disarming manuever with sai) based on player SK_level and	1021	* (like disarming manuever with sai) based on player SK_level and
1123	* weapon type.	1022	* weapon type.
1124	*/	1023	*/
1125
1126	static int	1024	static int
1127	attack_melee_weapon (object op, int dir, const char string, object *skill)	1025	attack_melee_weapon (object op, int dir, const char string, object *skill)
1128	{	1026	{
1129		1027
1130	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1028	if (!op->flag [FLAG_READY_WEAPON])
1131	{	1029	{
1132	if (op->type == PLAYER)	1030	if (op->type == PLAYER)
1133	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1031	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
		1032
1134	return 0;	1033	return 0;
1135	}	1034	}
		1035
1136	return skill_attack (NULL, op, dir, string, skill);	1036	return skill_attack (NULL, op, dir, string, skill);
1137
1138	}	1037	}
		1038

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.18 by pippijn, Mon Dec 11 14:28:13 2006 UTC vs. Revision 1.97 by root, Thu Apr 15 00:36:51 2010 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.18 by pippijn, Mon Dec 11 14:28:13 2006 UTC vs.
Revision 1.97 by root, Thu Apr 15 00:36:51 2010 UTC