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

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.13 by root, Sat Sep 16 22:24:13 2006 UTC vs.
Revision 1.60 by root, Sun May 4 19:41:51 2008 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copryight (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The author can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Created July 95 to separate skill utilities from actual skills -b.t. */	24	/* Created July 95 to separate skill utilities from actual skills -b.t. */
25		25
26	/* Reconfigured skills code to allow linking of skills to experience	26	/* Reconfigured skills code to allow linking of skills to experience
27	* categories. This is done solely through the init_new_exp_system() fctn.	27	* categories. This is done solely through the init_new_exp_system() fctn.
39		39
40	/* #define SKILL_UTIL_DEBUG */	40	/* #define SKILL_UTIL_DEBUG */
41		41
42	#include <global.h>	42	#include <global.h>
43	#include <object.h>	43	#include <object.h>
44	#ifndef __CEXTRACT__
45	# include <sproto.h>	44	#include <sproto.h>
46	#endif
47	#include <living.h> /* for defs of STR,CON,DEX,etc. -b.t. */	45	#include <living.h> /* for defs of STR,CON,DEX,etc. -b.t. */
48	#include <spells.h>	46	#include <spells.h>
49		47
50	/* Table of unarmed attack skills. Terminated by -1. This	48	const uint8_t skill_flags[NUM_SKILLS] = {
51	* is also the list that we should try to use skills when	49	0, // SK_NONE
52	* automatically applying one for the player.	50	# define def(uc, flags) flags,
53	* Note it is hardcoded in the skill_util.c that dragons always	51	# include "skillinc.h"
54	* want clawing if possible.	52	# undef def
55	*/
56	static uint8 unarmed_skills[] = {
57	SK_KARATE,
58	SK_CLAWING,
59	SK_FLAME_TOUCH,
60	SK_SPARK_TOUCH,
61	SK_SHIVER,
62	SK_ACID_SPLASH,
63	SK_POISON_NAIL,
64	SK_PUNCHING,
65	(uint8)-1
66	};	53	};
67		54
68	static int attack_hth (object pl, int dir, const char string, object *skill);	55	static int attack_hth (object pl, int dir, const char string, object *skill);
69	static int attack_melee_weapon (object op, int dir, const char string, object *skill);	56	static int attack_melee_weapon (object op, int dir, const char string, object *skill);
70		57
…		…
73	* subtypes.	60	* subtypes.
74	*/	61	*/
75	void	62	void
76	init_skills (void)	63	init_skills (void)
77	{	64	{
78	int i;	65	for_all_archetypes (at)
79	archetype *at;
80
81	for (at = first_archetype; at != NULL; at = at->next)
82	if (at->clone.type == SKILL)	66	if (at->type == SKILL)
83	{	67	{
84	if (skill_names[at->clone.subtype] != NULL)	68	if (skill_names[at->subtype])
85	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",	69	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",
86	at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill);	70	at->subtype, &skill_names[at->subtype], &at->skill);
87	else	71	else
88	skill_names[at->clone.subtype] = at->clone.skill;	72	skill_names[at->subtype] = at->skill;
89	}	73	}
90		74
91	/* This isn't really an error if there is no skill subtype set, but	75	/* This isn't really an error if there is no skill subtype set, but
92	* checking for this may catch some user errors.	76	* checking for this may catch some user errors.
93	*/	77	*/
94	for (i = 1; i < NUM_SKILLS; i++)	78	for (int i = 1; i < NUM_SKILLS; i++)
95	{
96	if (!skill_names[i])	79	if (!skill_names[i])
97	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);	80	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);
98	}
99	}	81	}
100
101		82
102	/* This function goes through the player inventory and sets	83	/* This function goes through the player inventory and sets
103	* up the last_skills[] array in the player object.	84	* up the last_skills[] array in the player object.
104	* the last_skills[] is used to more quickly lookup skills -	85	* the last_skills[] is used to more quickly lookup skills -
105	* mostly used for sending exp.	86	* mostly used for sending exp.
106	*/	87	*/
107	void	88	void
108	link_player_skills (object *op)	89	link_player_skills (object *op)
109	{	90	{
110	object *tmp;
111
112	for (tmp = op->inv; tmp; tmp = tmp->below)	91	for (object *tmp = op->inv; tmp; tmp = tmp->below)
113	{
114	if (tmp->type == SKILL)	92	if (tmp->type == SKILL)
115	{	93	{
116	/* This is really a warning, hence no else below */	94	/* This is really a warning, hence no else below */
117	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)	95	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)
118	{
119	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",	96	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
120	&op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);	97	&op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);
121	}	98
122	if (tmp->subtype >= NUM_SKILLS)	99	if (tmp->subtype >= NUM_SKILLS)
123	{
124	LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);	100	LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);
125	}
126	else	101	else
127	{	102	{
128	op->contr->last_skill_ob[tmp->subtype] = tmp;	103	op->contr->last_skill_ob[tmp->subtype] = tmp;
129	op->contr->last_skill_exp[tmp->subtype] = -1;	104	op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go
130	}	105	}
131	}	106	}
132	}	107	}
		108
		109	static object *
		110	find_skill (object *who, const shstr &sh)
		111	{
		112	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		113	if (tmp->skill == sh && tmp->type == SKILL)
		114	return tmp;
		115
		116	return 0;
133	}	117	}
134		118
135	/* This returns the skill pointer of the given name (the	119	/* This returns the skill pointer of the given name (the
136	* one that accumlates exp, has the level, etc).	120	* one that accumulates exp, has the level, etc).
137	*	121	*
138	* It is presumed that the player will be needing to actually	122	* It is presumed that the player will be needing to actually
139	* use the skill, so thus if use of the skill requires a skill	123	* use the skill, so thus if use of the skill requires a skill
140	* tool, this code will equip it.	124	* tool, this code will equip it.
141	*/	125	*/
142	object *	126	object *
143	find_skill_by_name (object who, const char name)	127	find_skill_by_name (object *who, const shstr &sh)
144	{	128	{
145	object skill = NULL, skill_tool = NULL, *tmp;	129	object *skill_tool = 0;
146		130
147	if (!name)
148	return NULL;
149
150	/* We make sure the length of the string in the object is greater
151	* in length than the passed string. Eg, if we have a skill called
152	* 'hi', we don't want to match if the user passed 'high'
153	*/
154	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	131	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		132	if (tmp->skill == sh)
155	{	133	{
156	if (tmp->type == SKILL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	134	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))
157	skill = tmp;	135	/* If this is a skill that can be used without applying tool, return it */
158		136	return splay (tmp);
159	/* Try to find appropriate skilltool. If the player has one already	137	/* Try to find appropriate skilltool. If the player has one already
160	* applied, we try to keep using that one.	138	* applied, we try to keep using that one.
161	*/	139	*/
162	else if (tmp->type == SKILL_TOOL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	140	else if (tmp->type == SKILL_TOOL && !skill_tool)
163	{
164	if (QUERY_FLAG (tmp, FLAG_APPLIED))
165	skill_tool = tmp;	141	skill_tool = tmp;
166	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
167	skill_tool = tmp;
168	}	142	}
169	}	143
170	/* If this is a skill that can be used without a tool, return it */	144	if (!skill_tool)
171	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
172	return skill;	145	return 0;
173		146
174	/* Player has a tool to use the skill. IF not applied, apply it -	147	/* Player has a tool to use the skill. If not applied, apply it -
175	* if not successful, return null. If they do have the skill tool	148	* if not successful, return null. If they do have the skill tool
176	* but not the skill itself, give it to them.	149	* but not the skill itself, give it to them.
177	*/	150	*/
178	if (skill_tool)	151	object *skill = find_skill (who, skill_tool->skill);
179	{	152
180	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
181	{
182	if (apply_special (who, skill_tool, 0))
183	return NULL;
184	}
185	if (!skill)	153	if (!skill)
186	{	154	{
187	skill = give_skill_by_name (who, skill_tool->skill);	155	skill = give_skill_by_name (who, skill_tool->skill);
188	link_player_skills (who);	156	link_player_skills (who);
189	}	157	}
		158
		159	if (!skill_tool->flag [FLAG_APPLIED])
		160	if (apply_special (who, splay (skill_tool), AP_APPLY \| AP_NO_READY))
190	return skill;	161	return 0;
191	}	162
		163	return splay (skill);
		164	}
		165
		166	object *
		167	find_skill_by_name (object who, const char name)
		168	{
		169	if (!name)
		170	return 0;
		171
		172	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		173	if ((tmp->type == SKILL \|\| tmp->type == SKILL_TOOL)
		174	&& tmp->skill.begins_with (name))
		175	if (object *skop = find_skill_by_name (who, tmp->skill))
		176	return skop;
		177
192	return NULL;	178	return 0;
193	}	179	}
194
195		180
196	/* This returns the skill pointer of the given name (the	181	/* This returns the skill pointer of the given name (the
197	* one that accumlates exp, has the level, etc).	182	* one that accumulates exp, has the level, etc).
198	*	183	*
199	* It is presumed that the player will be needing to actually	184	* It is presumed that the player will be needing to actually
200	* use the skill, so thus if use of the skill requires a skill	185	* use the skill, so thus if use of the skill requires a skill
201	* tool, this code will equip it.	186	* tool, this code will equip it.
202	*	187	*
…		…
205	* this replaces find_skill.	190	* this replaces find_skill.
206	*/	191	*/
207	object *	192	object *
208	find_skill_by_number (object *who, int skillno)	193	find_skill_by_number (object *who, int skillno)
209	{	194	{
210	object skill = NULL, skill_tool = NULL, *tmp;
211
212	if (skillno < 1 \|\| skillno >= NUM_SKILLS)
213	return NULL;
214
215	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	195	for (object *tmp = who->inv; tmp; tmp = tmp->below)
216	{
217	if (tmp->type == SKILL && tmp->subtype == skillno)	196	if (tmp->type == SKILL && tmp->subtype == skillno)
218	skill = tmp;	197	if (object *skop = find_skill_by_name (who, tmp->skill))
219
220	/* Try to find appropriate skilltool. If the player has one already
221	* applied, we try to keep using that one.
222	*/
223	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)
224	{
225	if (QUERY_FLAG (tmp, FLAG_APPLIED))
226	skill_tool = tmp;
227	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
228	skill_tool = tmp;
229	}
230	}
231	/* If this is a skill that can be used without a tool, return it */
232	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
233	return skill;
234
235	/* Player has a tool to use the skill. IF not applied, apply it -
236	* if not successful, return null. If they do have the skill tool
237	* but not the skill itself, give it to them.
238	*/
239	if (skill_tool)
240	{
241	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
242	{
243	if (apply_special (who, skill_tool, 0))
244	return NULL;
245	}
246	if (!skill)
247	{
248	skill = give_skill_by_name (who, skill_tool->skill);
249	link_player_skills (who);
250	}
251	return skill;	198	return skop;
252	}	199
253	return NULL;	200	return 0;
254	}	201	}
255		202
256	/* This changes the objects skill to new_skill.	203	/* This changes the objects chosen_skill to new_skill.
257	* note that this function doesn't always need to get used -
258	* you can now add skill exp to the player without the chosen_skill being
259	* set. This function is of most interest to players to update
260	* the various range information.
261	* if new_skill is null, this just unapplies the skill.
262	* flag has the current meaning:
263	* 0x1: If set, don't update the range pointer. This is useful when we
264	* need to ready a new skill, but don't want to clobber range.
265	* return 1 on success, 0 on error	204	* return 1 on success, 0 on error
266	*/	205	*/
267		206	bool
268	int	207	object::change_skill (object *new_skill)
269	change_skill (object who, object new_skill, int flag)
270	{	208	{
271	int old_range;
272
273	if (who->type != PLAYER)	209	if (type != PLAYER)
274	return 0;	210	return 0;
275		211
276	old_range = who->contr->shoottype;	212	// optimise this supposedly common case
277		213	if (new_skill == chosen_skill)
278	if (who->chosen_skill && who->chosen_skill == new_skill)
279	{
280	/* optimization for changing skill to current skill */
281	if (who->type == PLAYER && !(flag & 0x1))
282	who->contr->shoottype = range_skill;
283	return 1;	214	return 1;
284	}
285		215
286	if (!new_skill \|\| who->chosen_skill)
287	if (who->chosen_skill)	216	if (chosen_skill)
288	apply_special (who, who->chosen_skill, AP_UNAPPLY);
289
290	/* Only goal in this case was to unapply a skill */
291	if (!new_skill)
292	return 0;
293
294	if (apply_special (who, new_skill, AP_APPLY))
295	{
296	return 0;
297	}	217	{
298	if (flag & 0x1)	218	chosen_skill->flag [FLAG_APPLIED] = false;
299	who->contr->shoottype = (rangetype) old_range;	219	change_abil (this, chosen_skill);
		220	}
300		221
		222	chosen_skill = new_skill;
		223
		224	if (chosen_skill)
		225	{
		226	chosen_skill->flag [FLAG_APPLIED] = true;
		227	change_abil (this, chosen_skill);
		228	}
		229
		230	// always clear current weapon, as the selected skill could
		231	// conflict with the current weapon skill, which would go
		232	// undetected and exp would be given to the wrong skill.
		233	current_weapon = 0;
		234
		235	update_stats ();
301	return 1;	236	return 1;
302	}
303
304	/* This function just clears the chosen_skill and range_skill values
305	* inthe player.
306	*/
307	void
308	clear_skill (object *who)
309	{
310	who->chosen_skill = NULL;
311	CLEAR_FLAG (who, FLAG_READY_SKILL);
312	if (who->type == PLAYER)
313	{
314	who->contr->ranges[range_skill] = NULL;
315	if (who->contr->shoottype == range_skill)
316	who->contr->shoottype = range_none;
317	}
318	}	237	}
319		238
320	/* do_skill() - Main skills use function-similar in scope to cast_spell().	239	/* do_skill() - Main skills use function-similar in scope to cast_spell().
321	* We handle all requests for skill use outside of some combat here.	240	* We handle all requests for skill use outside of some combat here.
322	* We require a separate routine outside of fire() so as to allow monsters	241	* We require a separate routine outside of fire() so as to allow monsters
…		…
325	* exp - no caller needed that info, but it also prevented the callers	244	* exp - no caller needed that info, but it also prevented the callers
326	* from know if a skill was actually used, as many skills don't	245	* from know if a skill was actually used, as many skills don't
327	* give any exp for their direct use (eg, throwing).	246	* give any exp for their direct use (eg, throwing).
328	* It returns 0 if no skill was used.	247	* It returns 0 if no skill was used.
329	*/	248	*/
330
331	int	249	int
332	do_skill (object op, object part, object skill, int dir, const char string)	250	do_skill (object op, object part, object skill, int dir, const char string)
333	{	251	{
334	int success = 0, exp = 0;	252	int success = 0, exp = 0;
335	int did_alc = 0;	253	int did_alc = 0;
336	object tmp, next;
337		254
338	if (!skill)	255	if (!skill)
339	return 0;	256	return 0;
340		257
341	/* The code below presumes that the skill points to the object that	258	/* The code below presumes that the skill points to the object that
…		…
343	* go and try to find the actual real skill pointer, and if the	260	* go and try to find the actual real skill pointer, and if the
344	* the player doesn't have a bucket for that, create one.	261	* the player doesn't have a bucket for that, create one.
345	*/	262	*/
346	if (skill->type != SKILL && op->type == PLAYER)	263	if (skill->type != SKILL && op->type == PLAYER)
347	{	264	{
348	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	265	for (object *tmp = op->inv; tmp; tmp = tmp->below)
349	{
350	if (tmp->type == SKILL && tmp->skill == skill->skill)	266	if (tmp->type == SKILL && tmp->skill == skill->skill)
351	break;	267	{
		268	skill = tmp;
		269	goto found;
352	}	270	}
353	if (!tmp)	271
354	tmp = give_skill_by_name (op, skill->skill);	272	skill = give_skill_by_name (op, skill->skill);
355	skill = tmp;	273	found: ;
356	}	274	}
357		275
358	// skill, by_whom, on_which_object, which direction, skill_argument	276	// skill, by_whom, on_which_object, which direction, skill_argument
359	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))	277	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))
360	return 0;	278	return 0;
361		279
362	switch (skill->subtype)	280	switch (skill->subtype)
363	{	281	{
364	case SK_LEVITATION:	282	case SK_LEVITATION:
365	/* Not 100% sure if this will work with new movement code -	283	/* Not 100% sure if this will work with new movement code -
366	* the levitation skill has move_type for flying, so when	284	* the levitation skill has move_type for flying, so when
367	* equipped, that should transfer to player, when not,	285	* equipped, that should transfer to player, when not,
368	* shouldn't.	286	* shouldn't.
369	*/	287	*/
370	if (QUERY_FLAG (skill, FLAG_APPLIED))	288	if (QUERY_FLAG (skill, FLAG_APPLIED))
371	{	289	{
372	CLEAR_FLAG (skill, FLAG_APPLIED);	290	CLEAR_FLAG (skill, FLAG_APPLIED);
373	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	291	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
374	}	292	}
375	else	293	else
376	{	294	{
377	SET_FLAG (skill, FLAG_APPLIED);	295	SET_FLAG (skill, FLAG_APPLIED);
378	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	296	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");
379	}	297	}
380	fix_player (op);	298
		299	op->update_stats ();
381	success = 1;	300	success = 1;
382	break;	301	break;
383		302
384	case SK_STEALING:	303	case SK_STEALING:
385	exp = success = steal (op, dir, skill);	304	exp = success = steal (op, dir, skill);
386	break;	305	break;
387		306
388	case SK_LOCKPICKING:	307	case SK_LOCKPICKING:
389	exp = success = pick_lock (op, dir, skill);	308	exp = success = pick_lock (op, dir, skill);
390	break;	309	break;
391		310
392	case SK_HIDING:	311	case SK_HIDING:
393	exp = success = hide (op, skill);	312	exp = success = hide (op, skill);
394	break;	313	break;
395		314
396	case SK_JUMPING:	315	case SK_JUMPING:
397	success = jump (op, dir, skill);	316	success = jump (op, dir, skill);
398	break;	317	break;
399		318
400	case SK_INSCRIPTION:	319	case SK_INSCRIPTION:
401	exp = success = write_on_item (op, string, skill);	320	exp = success = write_on_item (op, string, skill);
402	break;	321	break;
403		322
404	case SK_MEDITATION:	323	case SK_MEDITATION:
405	meditate (op, skill);	324	meditate (op, skill);
406	success = 1;	325	success = 1;
407	break;	326	break;
408	/* note that the following 'attack' skills gain exp through hit_player() */	327	/* note that the following 'attack' skills gain exp through hit_player() */
409		328
410	case SK_KARATE:	329	case SK_KARATE:
411	(void) attack_hth (op, dir, "karate-chopped", skill);	330	attack_hth (op, dir, "karate-chopped", skill);
412	break;	331	break;
413		332
414	case SK_PUNCHING:	333	case SK_PUNCHING:
415	(void) attack_hth (op, dir, "punched", skill);	334	attack_hth (op, dir, "punched", skill);
416	break;	335	break;
417		336
418	case SK_FLAME_TOUCH:	337	case SK_FLAME_TOUCH:
419	(void) attack_hth (op, dir, "flamed", skill);	338	attack_hth (op, dir, "flamed", skill);
420	break;	339	break;
421		340
422	case SK_SPARK_TOUCH:	341	case SK_SPARK_TOUCH:
423	(void) attack_hth (op, dir, "zapped", skill);	342	attack_hth (op, dir, "zapped", skill);
424	break;	343	break;
425		344
426	case SK_SHIVER:	345	case SK_SHIVER:
427	(void) attack_hth (op, dir, "froze", skill);	346	attack_hth (op, dir, "froze", skill);
428	break;	347	break;
429		348
430	case SK_ACID_SPLASH:	349	case SK_ACID_SPLASH:
431	(void) attack_hth (op, dir, "dissolved", skill);	350	attack_hth (op, dir, "dissolved", skill);
432	break;	351	break;
433		352
434	case SK_POISON_NAIL:	353	case SK_POISON_NAIL:
435	(void) attack_hth (op, dir, "injected poison into", skill);	354	attack_hth (op, dir, "injected poison into", skill);
436	break;	355	break;
437		356
438	case SK_CLAWING:	357	case SK_CLAWING:
439	(void) attack_hth (op, dir, "clawed", skill);	358	attack_hth (op, dir, "clawed", skill);
440	break;	359	break;
441		360
442	case SK_ONE_HANDED_WEAPON:	361	case SK_ONE_HANDED_WEAPON:
443	case SK_TWO_HANDED_WEAPON:	362	case SK_TWO_HANDED_WEAPON:
444	(void) attack_melee_weapon (op, dir, NULL, skill);	363	attack_melee_weapon (op, dir, NULL, skill);
445	break;	364	break;
446		365
447	case SK_FIND_TRAPS:	366	case SK_FIND_TRAPS:
448	exp = success = find_traps (op, skill);	367	exp = success = find_traps (op, skill);
449	break;	368	break;
450		369
451	case SK_SINGING:	370	case SK_SINGING:
452	exp = success = singing (op, dir, skill);	371	exp = success = singing (op, dir, skill);
453	break;	372	break;
454		373
455	case SK_ORATORY:	374	case SK_ORATORY:
456	exp = success = use_oratory (op, dir, skill);	375	exp = success = use_oratory (op, dir, skill);
457	break;	376	break;
458		377
459	case SK_SMITHERY:	378	case SK_SMITHERY:
460	case SK_BOWYER:	379	case SK_BOWYER:
461	case SK_JEWELER:	380	case SK_JEWELER:
462	case SK_ALCHEMY:	381	case SK_ALCHEMY:
463	case SK_THAUMATURGY:	382	case SK_THAUMATURGY:
464	case SK_LITERACY:	383	case SK_LITERACY:
465	case SK_WOODSMAN:	384	case SK_WOODSMAN:
466	/* first, we try to find a cauldron, and do the alchemy thing.	385	/* first, we try to find a cauldron, and do the alchemy thing.
467	* failing that, we go and identify stuff.	386	* failing that, we go and identify stuff.
468	*/	387	*/
469	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = next)	388	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
470	{	389	{
471	next = tmp->above;	390	next = tmp->above;
		391
472	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	392	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))
473	{	393	{
474	attempt_do_alchemy (op, tmp);	394	attempt_do_alchemy (op, tmp);
		395
475	if (QUERY_FLAG (tmp, FLAG_APPLIED))	396	if (QUERY_FLAG (tmp, FLAG_APPLIED))
476	esrv_send_inventory (op, tmp);	397	esrv_send_inventory (op, tmp);
		398
477	did_alc = 1;	399	did_alc = 1;
478	}	400	}
479	}	401	}
		402
480	if (did_alc == 0)	403	if (did_alc == 0)
481	exp = success = skill_ident (op, skill);
482	break;
483
484	case SK_DET_MAGIC:
485	case SK_DET_CURSE:
486	exp = success = skill_ident (op, skill);	404	exp = success = skill_ident (op, skill);
		405
487	break;	406	break;
488		407
		408	case SK_DET_MAGIC:
		409	case SK_DET_CURSE:
		410	exp = success = skill_ident (op, skill);
		411	break;
		412
489	case SK_DISARM_TRAPS:	413	case SK_DISARM_TRAPS:
490	exp = success = remove_trap (op, dir, skill);	414	exp = success = remove_trap (op, dir, skill);
491	break;	415	break;
492		416
493	case SK_THROWING:	417	case SK_THROWING:
494	success = skill_throw (op, part, dir, string, skill);	418	success = skill_throw (op, part, dir, string, skill);
495	break;	419	break;
496		420
497	case SK_SET_TRAP:	421	case SK_SET_TRAP:
498	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");	422	new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented.");
499	break;	423	break;
500		424
501	case SK_USE_MAGIC_ITEM:	425	case SK_USE_MAGIC_ITEM:
502	case SK_MISSILE_WEAPON:	426	case SK_MISSILE_WEAPON:
503	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");	427	new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill.");
504	break;	428	break;
505		429
506	case SK_PRAYING:	430	case SK_PRAYING:
507	success = pray (op, skill);	431	success = pray (op, skill);
508	break;	432	break;
509		433
510	case SK_BARGAINING:	434	case SK_BARGAINING:
511	success = describe_shop (op);	435	success = describe_shop (op);
512	break;	436	break;
513		437
514	case SK_SORCERY:	438	case SK_SORCERY:
515	case SK_EVOCATION:	439	case SK_EVOCATION:
516	case SK_PYROMANCY:	440	case SK_PYROMANCY:
517	case SK_SUMMONING:	441	case SK_SUMMONING:
518	case SK_CLIMBING:	442	case SK_CLIMBING:
519	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	443	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
520	break;	444	break;
521		445
522	default:	446	default:
523	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	447	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
524	break;	448	break;
525	}	449	}
526		450
527	/* For players we now update the speed_left from using the skill.	451	/* For players we now update the speed_left from using the skill.
528	* Monsters have no skill use time because of the random nature in	452	* Monsters have no skill use time because of the random nature in
529	* which use_monster_skill is called already simulates this.	453	* which use_monster_skill is called already simulates this.
530	* If certain skills should take more/less time, that should be	454	* If certain skills should take more/less time, that should be
531	* in the code for the skill itself.	455	* in the code for the skill itself.
532	*/	456	*/
533		457
534	if (op->type == PLAYER)	458	if (op->type == PLAYER)
535	op->speed_left -= 1.0;	459	op->speed_left -= 1.f;
536		460
537	/* this is a good place to add experience for successfull use of skills.	461	/* this is a good place to add experience for successfull use of skills.
538	* Note that add_exp() will figure out player/monster experience	462	* Note that add_exp() will figure out player/monster experience
539	* gain problems.	463	* gain problems.
540	*/	464	*/
…		…
568	* op is the object that was 'defeated'.	492	* op is the object that was 'defeated'.
569	* skill is the skill used. If no skill is used, it should just	493	* skill is the skill used. If no skill is used, it should just
570	* point back to who.	494	* point back to who.
571	*	495	*
572	*/	496	*/
573
574	int	497	int
575	calc_skill_exp (object who, object op, object *skill)	498	calc_skill_exp (object who, object op, object *skill)
576	{	499	{
577	int op_exp = 0, op_lvl = 0;	500	int op_exp = 0, op_lvl = 0;
578	float base, value, lvl_mult = 0.0;	501	float base, value, lvl_mult = 0.0;
…		…
587	* If an object is not alive and magical we set the base exp higher to	510	* If an object is not alive and magical we set the base exp higher to
588	* help out exp awards for skill_ident skills. Also, if	511	* help out exp awards for skill_ident skills. Also, if
589	* an item is type RUNE, we give out exp based on stats.Cha	512	* an item is type RUNE, we give out exp based on stats.Cha
590	* and level (this was the old system) -b.t.	513	* and level (this was the old system) -b.t.
591	*/	514	*/
592
593	if (!op)	515	if (!op)
594	{ /* no item/creature */	516	{ /* no item/creature */
595	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	517	op_lvl = max (1, who->map->difficulty);
596	op_exp = 0;	518	op_exp = 0;
597	}	519	}
598	else if (op->type == RUNE \|\| op->type == TRAP)	520	else if (op->type == RUNE \|\| op->type == TRAP)
599	{ /* all traps. If stats.Cha > 1 we use that	521	{ /* all traps. If stats.Cha > 1 we use that
600	* for the amount of experience */	522	* for the amount of experience */
…		…
604	else	526	else
605	{ /* all other items/living creatures */	527	{ /* all other items/living creatures */
606	op_exp = op->stats.exp;	528	op_exp = op->stats.exp;
607	op_lvl = op->level;	529	op_lvl = op->level;
608	if (!QUERY_FLAG (op, FLAG_ALIVE))	530	if (!QUERY_FLAG (op, FLAG_ALIVE))
609	{ /* for ident/make items */	531	op_lvl += 5 * abs (op->magic); /* for ident/make items */
610	op_lvl += 5 * abs (op->magic);
611	}
612	}	532	}
613		533
614	if (op_lvl < 1)	534	if (op_lvl < 1)
615	op_lvl = 1;	535	op_lvl = 1;
616		536
…		…
624	/* if skill really is a skill, then we can look at the skill archetype for	544	/* if skill really is a skill, then we can look at the skill archetype for
625	* bse reward value (exp) and level multiplier factor.	545	* bse reward value (exp) and level multiplier factor.
626	*/	546	*/
627	if (skill->type == SKILL)	547	if (skill->type == SKILL)
628	{	548	{
629	base += skill->arch->clone.stats.exp;	549	base += skill->arch->stats.exp;
630	if (settings.simple_exp)	550	if (settings.simple_exp)
631	{	551	{
632	if (skill->arch->clone.level)	552	if (skill->arch->level)
633	lvl_mult = (float) skill->arch->clone.level / 100.0;	553	lvl_mult = (float) skill->arch->level / 100.0;
634	else	554	else
635	lvl_mult = 1.0; /* no adjustment */	555	lvl_mult = 1.0; /* no adjustment */
636	}	556	}
637	else	557	else
638	{	558	{
639	if (skill->level)	559	if (skill->level)
640	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	560	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
641	else	561	else
642	lvl_mult = 1.0;	562	lvl_mult = 1.0;
643	}	563	}
644	}	564	}
645	else	565	else
646	{	566	{
647	/* Don't divide by zero here! */	567	/* Don't divide by zero here! */
648	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	568	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
649	}	569	}
650	}	570	}
651		571
652	/* assemble the exp total, and return value */	572	/* assemble the exp total, and return value */
653		573
…		…
667	* This one actually teaches the player the skill as something	587	* This one actually teaches the player the skill as something
668	* they can equip.	588	* they can equip.
669	* Return 0 if the player knows the skill, 1 if the	589	* Return 0 if the player knows the skill, 1 if the
670	* player learns the skill, 2 otherwise.	590	* player learns the skill, 2 otherwise.
671	*/	591	*/
672
673	int	592	int
674	learn_skill (object pl, object scroll)	593	learn_skill (object pl, object scroll)
675	{	594	{
676	object *tmp;
677
678	if (!scroll->skill)	595	if (!scroll->skill)
679	{	596	{
680	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	597	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
681	return 2;	598	return 2;
682	}	599	}
683		600
684	/* can't use find_skill_by_name because we want skills the player knows	601	object *tmp = find_skill (pl, scroll->skill);
685	* but can't use natively.
686	*/
687
688	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
689	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
690	break;
691		602
692	/* player already knows it */	603	/* player already knows it */
693	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	604	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
694	return 0;	605	return 0;
695
696
697		606
698	/* now a random change to learn, based on player Int.	607	/* now a random change to learn, based on player Int.
699	* give bonus based on level - otherwise stupid characters	608	* give bonus based on level - otherwise stupid characters
700	* might never be able to learn anything.	609	* might never be able to learn anything.
701	*/	610	*/
…		…
715	link_player_skills (pl);	624	link_player_skills (pl);
716	return 1;	625	return 1;
717	}	626	}
718		627
719	/* Gives a percentage clipped to 0% -> 100% of a/b. */	628	/* Gives a percentage clipped to 0% -> 100% of a/b. */
720
721	/* Probably belongs in some global utils-type file? */	629	/* Probably belongs in some global utils-type file? */
722	static int	630	static int
723	clipped_percent (sint64 a, sint64 b)	631	clipped_percent (sint64 a, sint64 b)
724	{	632	{
725	int rv;	633	int rv;
…		…
745	* Note this function is a bit more complicated becauase we	653	* Note this function is a bit more complicated becauase we
746	* we want ot sort the skills before printing them. If we	654	* we want ot sort the skills before printing them. If we
747	* just dumped this as we found it, this would be a bit	655	* just dumped this as we found it, this would be a bit
748	* simpler.	656	* simpler.
749	*/	657	*/
750		658	//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo.
751	void	659	void
752	show_skills (object op, const char search)	660	show_skills (object op, const char search)
753	{	661	{
754	object *tmp = NULL;	662	object *tmp = NULL;
755	char buf[MAX_BUF];	663	char buf[MAX_BUF];
…		…
757	int i, num_skills_found = 0;	665	int i, num_skills_found = 0;
758	static const char *const periods = "........................................";	666	static const char *const periods = "........................................";
759		667
760	/* Need to have a pointer and use strdup for qsort to work properly */	668	/* Need to have a pointer and use strdup for qsort to work properly */
761	char skills[NUM_SKILLS][MAX_BUF];	669	char skills[NUM_SKILLS][MAX_BUF];
762
763		670
764	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	671	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)
765	{	672	{
766	if (tmp->type == SKILL)	673	if (tmp->type == SKILL)
767	{	674	{
…		…
770	/* Basically want to fill this out to 40 spaces with periods */	677	/* Basically want to fill this out to 40 spaces with periods */
771	sprintf (buf, "%s%s", &tmp->name, periods);	678	sprintf (buf, "%s%s", &tmp->name, periods);
772	buf[40] = 0;	679	buf[40] = 0;
773		680
774	if (settings.permanent_exp_ratio)	681	if (settings.permanent_exp_ratio)
775	{
776	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld/%d%%)",	682	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
777	buf, tmp->level,	683	buf, tmp->level, tmp->stats.exp,
778	(long long) tmp->stats.exp,
779	(long long) level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));	684	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
780	}
781	else	685	else
782	{
783	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%lld/%lld)",	686	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
784	buf, tmp->level, (long long) tmp->stats.exp, (long long) level_exp (tmp->level + 1, op->expmul));	687	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
785	}	688
786	/* I don't know why some characters get a bunch of skills, but	689	/* I don't know why some characters get a bunch of skills, but
787	* it sometimes happens (maybe a leftover from bugier earlier code	690	* it sometimes happens (maybe a leftover from bugier earlier code
788	* and those character are still about). In any case, lets handle	691	* and those character are still about). In any case, lets handle
789	* it so it doesn't crash the server - otherwise, one character may	692	* it so it doesn't crash the server - otherwise, one character may
790	* crash the server numerous times.	693	* crash the server numerous times.
…		…
796	break;	699	break;
797	}	700	}
798	}	701	}
799	}	702	}
800		703
801	clear_win_info (op);
802	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	704	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");
803	if (num_skills_found > 1)	705	if (num_skills_found > 1)
804	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) strcmp);	706	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) std::strcmp);
805		707
806	for (i = 0; i < num_skills_found; i++)	708	for (i = 0; i < num_skills_found; i++)
807	{
808	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);	709	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);
809	}
810		710
811	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	711	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);
812		712
813	cp = determine_god (op);	713	cp = determine_god (op);
814	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	714	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");
…		…
821	* direction that the user is facing. Returns false if we are unable to	721	* direction that the user is facing. Returns false if we are unable to
822	* change to the requested skill, or were unable to use the skill properly.	722	* change to the requested skill, or were unable to use the skill properly.
823	* This is tricky because skills can have spaces. We basically roll	723	* This is tricky because skills can have spaces. We basically roll
824	* our own find_skill_by_name so we can try to do better string matching.	724	* our own find_skill_by_name so we can try to do better string matching.
825	*/	725	*/
826
827	int	726	int
828	use_skill (object op, const char string)	727	use_skill (object op, const char string)
829	{	728	{
830	object *skop;	729	object *skop;
831	size_t len;	730	size_t len;
832		731
833	if (!string)	732	if (!string)
834	return 0;	733	return 0;
835		734
836	for (skop = op->inv; skop != NULL; skop = skop->below)	735	for (skop = op->inv; skop; skop = skop->below)
837	{	736	{
		737	if (skop->type == SKILL
838	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&	738	&& QUERY_FLAG (skop, FLAG_CAN_USE_SKILL)
839	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	739	&& !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
840	break;	740	break;
		741	else if (skop->type == SKILL_TOOL
841	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	742	&& !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
842	break;	743	break;
843	}	744	}
		745
844	if (!skop)	746	if (!skop)
845	{	747	{
846	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	748	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);
847	return 0;	749	return 0;
848	}	750	}
…		…
853	* options given to the skill. Its pretty simple - if there	755	* options given to the skill. Its pretty simple - if there
854	* are extra parameters (as deteremined by string length), we	756	* are extra parameters (as deteremined by string length), we
855	* want to skip over any leading spaces.	757	* want to skip over any leading spaces.
856	*/	758	*/
857	if (len >= strlen (string))	759	if (len >= strlen (string))
858	{
859	string = NULL;	760	string = NULL;
860	}
861	else	761	else
862	{	762	{
863	string += len;	763	string += len;
864	while (*string == 0x20)	764	while (*string == 0x20)
865	string++;	765	string++;
		766
866	if (strlen (string) == 0)	767	if (strlen (string) == 0)
867	string = NULL;	768	string = NULL;
868	}	769	}
869		770
870	#ifdef SKILL_UTIL_DEBUG	771	#ifdef SKILL_UTIL_DEBUG
871	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	772	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
872	#endif	773	#endif
873		774
874	/* Change to the new skill, then execute it. */
875	if (do_skill (op, op, skop, op->facing, string))	775	if (do_skill (op, op, skop, op->facing, string))
876	return 1;	776	return 1;
877		777
878	return 0;	778	return 0;
879	}	779	}
880		780
		781	static bool
		782	hth_skill_p (object *skill)
		783	{
		784	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_WEAPON)) == SF_COMBAT;
		785	}
881		786
882
883	/* This finds the best unarmed skill the player has, and returns	787	/* This finds the first unarmed skill the player has, and returns it.
884	* it. Best can vary a little - we consider clawing to always
885	* be the best for dragons.
886	* This could be more intelligent, eg, look at the skill level
887	* of the skill and go from there (eg, a level 40 puncher is
888	* is probably better than level 1 karate). OTOH, if you
889	* don't bother to set up your skill properly, that is the players
890	* problem (although, it might be nice to have a preferred skill
891	* field the player can set.
892	* Unlike the old code, we don't give out any skills - it is
893	* possible you just don't have any ability to get into unarmed
894	* combat. If everyone race/class should have one, this should
895	* be handled in the starting treasurelists, not in the code.
896	*/	788	*/
897	static object *	789	static object *
898	find_best_player_hth_skill (object *op)	790	find_player_hth_skill (object *op)
899	{	791	{
900	object tmp, best_skill = NULL;
901	int dragon = is_dragon_pl (op), last_skill = sizeof (unarmed_skills), i;
902
903	for (tmp = op->inv; tmp; tmp = tmp->below)	792	for (object *tmp = op->inv; tmp; tmp = tmp->below)
904	{	793	if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp))
905	if (tmp->type == SKILL)
906	{
907	if (dragon && tmp->subtype == SK_CLAWING)
908	return tmp;	794	return tmp;
909		795
910	/* The order in the array is preferred order. So basically,	796	return 0;
911	* we just cut down the number to search - eg, if we find a skill
912	* early on in flame touch, then we only need to look into the unarmed_array
913	* to the entry before flame touch - don't care about the entries afterward,
914	* because they are infrerior skills.
915	* if we end up finding the best skill (i==0) might as well return
916	* right away - can't get any better than that.
917	*/
918	for (i = 0; i < last_skill; i++)
919	{
920	if (tmp->subtype == unarmed_skills[i] && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))
921	{
922	best_skill = tmp;
923	last_skill = i;
924	if (i == 0)
925	return best_skill;
926	}
927	}
928	}
929	}
930	return best_skill;
931	}	797	}
932		798
933	/* do_skill_attack() - We have got an appropriate opponent from either	799	/* do_skill_attack() - We have got an appropriate opponent from either
934	* move_player_attack() or skill_attack(). In this part we get on with	800	* move_player_attack() or skill_attack(). In this part we get on with
935	* attacking, take care of messages from the attack and changes in invisible.	801	* attacking, take care of messages from the attack and changes in invisible.
…		…
937	* tmp is the targetted monster.	803	* tmp is the targetted monster.
938	* op is what is attacking	804	* op is what is attacking
939	* string is passed along to describe what messages to describe	805	* string is passed along to describe what messages to describe
940	* the damage.	806	* the damage.
941	*/	807	*/
942
943	static int	808	static int
944	do_skill_attack (object tmp, object op, const char string, object skill)	809	do_skill_attack (object tmp, object op, const char string, object skill)
945	{	810	{
946	int success;
947
948	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))	811	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))
949	return RESULT_INT (0);	812	return RESULT_INT (0);
950		813
951	/* For Players only: if there is no ready weapon, and no "attack" skill	814	/* For Players only: if there is no ready weapon, and no "attack" skill
952	* is readied either then try to find a skill for the player to use.	815	* is readied either then try to find a skill for the player to use.
953	* it is presumed that if skill is set, it is a valid attack skill (eg,	816	* it is presumed that if skill is set, it is a valid attack skill (eg,
954	* the caller should have set it appropriately). We still want to pass	817	* the caller should have set it appropriately). We still want to pass
955	* through that code if skill is set to change to the skill.	818	* through that code if skill is set to change to the skill.
956	*/	819	*/
957	if (op->type == PLAYER)	820	if (player *pl = op->contr)
958	{	821	{
959	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	822	if (!pl->combat_ob)
960	{	823	{
961	size_t i;	824	if (QUERY_FLAG (op, FLAG_READY_WEAPON))
962
963	if (!skill)
964	{	825	{
965	/* See if the players chosen skill is a combat skill, and use
966	* it if appropriate.
967	*/
968	if (op->chosen_skill)
969	{
970	for (i = 0; i < sizeof (unarmed_skills); i++)
971	if (op->chosen_skill->subtype == unarmed_skills[i])
972	{
973	skill = op->chosen_skill;
974	break;
975	}
976	}
977	/* If we didn't find a skill above, look harder for a good skill */
978	if (!skill)
979	{
980	skill = find_best_player_hth_skill (op);
981
982	if (!skill)
983	{
984	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
985	return 0;
986	}
987	}
988	}
989	if (skill != op->chosen_skill)
990	{
991	/* now try to ready the new skill */
992	if (!change_skill (op, skill, 0))
993	{ /* oh oh, trouble! */
994	new_draw_info_format (NDI_UNIQUE, 0, tmp, "Couldn't change to skill %s", &skill->name);
995	return 0;
996	}
997	}
998	}
999	else
1000	{
1001	/* Seen some crashes below where current_weapon is not set,
1002	* even though the flag says it is. So if current weapon isn't set,
1003	* do some work in trying to find the object to use.
1004	*/
1005	if (!op->current_weapon)
1006	{
1007	object *tmp;
1008
1009	LOG (llevError, "Player %s does not have current weapon set but flag_ready_weapon is set\n", &op->name);
1010	for (tmp = op->inv; tmp; tmp = tmp->below)	826	for (tmp = op->inv; tmp; tmp = tmp->below)
1011	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))	827	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
1012	break;	828	break;
1013		829
1014	if (!tmp)	830	if (!tmp)
		831	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
		832
		833	pl->combat_ob = tmp;
		834	}
		835
		836	if (!pl->combat_ob)
		837	{
		838	if (!skill)
1015	{	839	{
1016	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);	840	/* See if the players chosen skill is a combat skill, and use
1017	op->current_weapon = NULL;	841	* it if appropriate.
		842	*/
		843	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
		844	skill = op->chosen_skill;
1018	return 0;	845	else
		846	{
		847	skill = find_player_hth_skill (op);
		848
		849	if (!skill)
		850	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
		851	}
1019	}	852	}
1020	else	853
		854	if (skill)
1021	{	855	{
1022	op->current_weapon = tmp;	856	op->change_skill (0);
		857	apply_special (op, skill, AP_APPLY);
1023	}	858	}
1024	}	859	}
1025		860
1026	/* Has ready weapon - make sure chosen_skill is set up properly */	861	if (!pl->combat_ob)
1027	if (!op->chosen_skill \|\| op->current_weapon->skill != op->chosen_skill->skill)
1028	{	862	{
1029	change_skill (op, find_skill_by_name (op, op->current_weapon->skill), 1);	863	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
		864	return 0;
1030	}	865	}
1031	}	866	}
1032	}
1033		867
		868	if (!op->change_weapon (pl->combat_ob))
		869	return 0;
		870
1034	/* lose invisiblity/hiding status for running attacks */	871	/* lose invisiblity/hiding status for running attacks */
1035		872	if (pl->tmp_invis)
1036	if (op->type == PLAYER && op->contr->tmp_invis)	873	{
1037	{
1038	op->contr->tmp_invis = 0;	874	pl->tmp_invis = 0;
1039	op->invisible = 0;	875	op->invisible = 0;
1040	op->hide = 0;	876	op->hide = 0;
1041	update_object (op, UP_OBJ_FACE);	877	update_object (op, UP_OBJ_CHANGE);
		878	}
1042	}	879	}
1043		880
1044	success = attack_ob (tmp, op);	881	int success = attack_ob (tmp, op);
1045		882
1046	/* print appropriate messages to the player */	883	/* print appropriate messages to the player */
1047		884
1048	if (success && string != NULL && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	885	if (success && string && tmp && !QUERY_FLAG (tmp, FLAG_FREED))
1049	{	886	{
1050	if (op->type == PLAYER)	887	if (op->type == PLAYER)
1051	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	888	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
1052	else if (tmp->type == PLAYER)	889	else if (tmp->type == PLAYER)
1053	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	890	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
1054	}	891	}
		892
1055	return success;	893	return success;
1056	}	894	}
1057
1058		895
1059	/* skill_attack() - Core routine for use when we attack using a skills	896	/* skill_attack() - Core routine for use when we attack using a skills
1060	* system. In essence, this code handles	897	* system. In essence, this code handles
1061	* all skill-based attacks, ie hth, missile and melee weapons should be	898	* all skill-based attacks, ie hth, missile and melee weapons should be
1062	* treated here. If an opponent is already supplied by move_player(),	899	* treated here. If an opponent is already supplied by move_player(),
…		…
1065	*	902	*
1066	* This is called by move_player() and attack_hth()	903	* This is called by move_player() and attack_hth()
1067	*	904	*
1068	* Initial implementation by -bt thomas@astro.psu.edu	905	* Initial implementation by -bt thomas@astro.psu.edu
1069	*/	906	*/
1070
1071	int	907	int
1072	skill_attack (object tmp, object pl, int dir, const char string, object skill)	908	skill_attack (object tmp, object pl, int dir, const char string, object skill)
1073	{	909	{
1074	sint16 tx, ty;	910	sint16 tx, ty;
1075	maptile *m;	911	maptile *m;
1076	int mflags;	912	int mflags;
1077		913
1078	if (!dir)	914	if (!dir)
1079	dir = pl->facing;	915	dir = pl->facing;
		916
1080	tx = freearr_x[dir];	917	tx = freearr_x[dir];
1081	ty = freearr_y[dir];	918	ty = freearr_y[dir];
1082		919
1083	/* If we don't yet have an opponent, find if one exists, and attack.	920	/* If we don't yet have an opponent, find if one exists, and attack.
1084	* Legal opponents are the same as outlined in move_player_attack()	921	* Legal opponents are the same as outlined in move_player_attack()
1085	*/	922	*/
1086		923	if (!tmp)
1087	if (tmp == NULL)
1088	{	924	{
1089	m = pl->map;	925	m = pl->map;
1090	tx = pl->x + freearr_x[dir];	926	tx = pl->x + freearr_x[dir];
1091	ty = pl->y + freearr_y[dir];	927	ty = pl->y + freearr_y[dir];
1092		928
…		…
1096		932
1097	/* space must be blocked for there to be anything interesting to do */	933	/* space must be blocked for there to be anything interesting to do */
1098	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))	934	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))
1099	return 0;	935	return 0;
1100		936
1101	for (tmp = get_map_ob (m, tx, ty); tmp; tmp = tmp->above)	937	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)
1102	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	938	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)
1103	{	939	{
1104	/* Don't attack party members */	940	/* Don't attack party members */
1105	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	941	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1106	return 0;	942	return 0;
		943
1107	break;	944	break;
1108	}	945	}
1109	}	946	}
		947
1110	if (!tmp)	948	if (!tmp)
1111	{	949	{
1112	if (pl->type == PLAYER)	950	if (pl->type == PLAYER)
1113	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");	951	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");
		952
1114	return 0;	953	return 0;
1115	}	954	}
1116		955
1117	return do_skill_attack (tmp, pl, string, skill);	956	return do_skill_attack (tmp, pl, string, skill);
1118	}	957	}
1119
1120		958
1121	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */	959	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */
1122		960
1123	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first	961	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first
1124	* (attack_hth) we check for weapon use, etc in the second (the new	962	* (attack_hth) we check for weapon use, etc in the second (the new
1125	* function skill_attack() we actually attack.	963	* function skill_attack() we actually attack.
1126	*/	964	*/
1127
1128	static int	965	static int
1129	attack_hth (object pl, int dir, const char string, object *skill)	966	attack_hth (object pl, int dir, const char string, object *skill)
1130	{	967	{
1131	object enemy = NULL, weapon;	968	object enemy = NULL, weapon;
1132		969
…		…
1135	{	972	{
1136	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))	973	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))
1137	{	974	{
1138	CLEAR_FLAG (weapon, FLAG_APPLIED);	975	CLEAR_FLAG (weapon, FLAG_APPLIED);
1139	CLEAR_FLAG (pl, FLAG_READY_WEAPON);	976	CLEAR_FLAG (pl, FLAG_READY_WEAPON);
1140	fix_player (pl);	977	pl->update_stats ();
1141	if (pl->type == PLAYER)	978	if (pl->type == PLAYER)
1142	{	979	{
1143	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	980	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1144	esrv_update_item (UPD_FLAGS, pl, weapon);	981	esrv_update_item (UPD_FLAGS, pl, weapon);
1145	}	982	}
		983
1146	break;	984	break;
1147	}	985	}
1148	}	986	}
		987
1149	return skill_attack (enemy, pl, dir, string, skill);	988	return skill_attack (enemy, pl, dir, string, skill);
1150	}	989	}
1151
1152		990
1153	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.	991	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.
1154	* For now we are just checking to see if we have a ready weapon here.	992	* For now we are just checking to see if we have a ready weapon here.
1155	* But there is a real neato possible feature of this scheme which	993	* But there is a real neato possible feature of this scheme which
1156	* bears mentioning:	994	* bears mentioning:
1157	* Since we are only calling this from do_skill() in the future	995	* Since we are only calling this from do_skill() in the future
1158	* we may make this routine handle 'special' melee weapons attacks	996	* we may make this routine handle 'special' melee weapons attacks
1159	* (like disarming manuever with sai) based on player SK_level and	997	* (like disarming manuever with sai) based on player SK_level and
1160	* weapon type.	998	* weapon type.
1161	*/	999	*/
1162
1163	static int	1000	static int
1164	attack_melee_weapon (object op, int dir, const char string, object *skill)	1001	attack_melee_weapon (object op, int dir, const char string, object *skill)
1165	{	1002	{
1166		1003
1167	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1004	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))
1168	{	1005	{
1169	if (op->type == PLAYER)	1006	if (op->type == PLAYER)
1170	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1007	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
		1008
1171	return 0;	1009	return 0;
1172	}	1010	}
		1011
1173	return skill_attack (NULL, op, dir, string, skill);	1012	return skill_attack (NULL, op, dir, string, skill);
1174
1175	}	1013	}
		1014

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.13 by root, Sat Sep 16 22:24:13 2006 UTC vs. Revision 1.60 by root, Sun May 4 19:41:51 2008 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.13 by root, Sat Sep 16 22:24:13 2006 UTC vs.
Revision 1.60 by root, Sun May 4 19:41:51 2008 UTC