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

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.29 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.101 by root, Tue Feb 8 01:03:47 2011 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copryight (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* 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
9	* 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
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* 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,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* 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
19	* 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
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* 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>
23	*/	23	*/
24		24
25	/* 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. */
26		26
27	/* Reconfigured skills code to allow linking of skills to experience	27	/* Reconfigured skills code to allow linking of skills to experience
44	#include <object.h>	44	#include <object.h>
45	#include <sproto.h>	45	#include <sproto.h>
46	#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. */
47	#include <spells.h>	47	#include <spells.h>
48		48
49	/* Table of unarmed attack skills. Terminated by -1. This	49	const uint8_t skill_flags[NUM_SKILLS] = {
50	* is also the list that we should try to use skills when	50	0, // SK_NONE
51	* automatically applying one for the player.	51	# define def(uc, flags) flags,
52	*/	52	# include "skillinc.h"
53	static uint8 unarmed_skills[] = {	53	# undef def
54	SK_KARATE,
55	SK_CLAWING,
56	SK_FLAME_TOUCH,
57	SK_SPARK_TOUCH,
58	SK_SHIVER,
59	SK_ACID_SPLASH,
60	SK_POISON_NAIL,
61	SK_PUNCHING,
62	(uint8)-1
63	};	54	};
		55
		56	vector<object_ptr> skillvec;
64		57
65	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);
66	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);
67		60
68	/* init_skills basically just sets up the skill_names table	61	/* init_skills basically just sets up the skill_names table
69	* above. The index into the array is set up by the	62	* above. The index into the array is set up by the
70	* subtypes.	63	* subtypes.
71	*/	64	*/
72	void	65	void
73	init_skills (void)	66	init_skills ()
74	{	67	{
75	int i;	68	// nop
76	archetype *at;	69	}
77		70
78	for (at = first_archetype; at != NULL; at = at->next)	71	void
79	if (at->clone.type == SKILL)	72	add_skill_archetype (object *o)
		73	{
		74	assert (("skill name must equal skill skill", o->name == o->skill));
		75
		76	for (vector<object_ptr>::iterator i = skillvec.begin (); i != skillvec.end (); ++i)
		77	if ((*i)->name == o->name)
80	{	78	{
81	if (skill_names[at->clone.subtype] != NULL)	79	// replace existing entry
82	LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n",	80	SKILL_INDEX (o) = i - skillvec.begin ();
83	at->clone.subtype, &skill_names[at->clone.subtype], &at->clone.skill);	81	*i = o;
84	else	82	return;
85	skill_names[at->clone.subtype] = at->clone.skill;
86	}	83	}
87		84
88	/* This isn't really an error if there is no skill subtype set, but	85	// add new entry
89	* checking for this may catch some user errors.	86	assert (("only CS_NUM_SKILLS skills supported by client protocol", skillvec.size () < CS_NUM_SKILLS));
90	*/	87	SKILL_INDEX (o) = skillvec.size ();
91	for (i = 1; i < NUM_SKILLS; i++)	88	skillvec.push_back (o);
92	{
93	if (!skill_names[i])
94	LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i);
95	}
96	}	89	}
97		90
98	/* This function goes through the player inventory and sets	91	/* This function goes through the player inventory and sets
99	* up the last_skills[] array in the player object.	92	* up the last_skills[] array in the player object.
100	* the last_skills[] is used to more quickly lookup skills -	93	* the last_skills[] is used to more quickly lookup skills -
101	* mostly used for sending exp.	94	* mostly used for sending exp.
102	*/	95	*/
103	void	96	void
104	link_player_skills (object *op)	97	player::link_skills ()
105	{	98	{
		99	for (int i = 0; i < CS_NUM_SKILLS; ++i)
		100	last_skill_ob [i] = 0;
		101
106	for (object *tmp = op->inv; tmp; tmp = tmp->below)	102	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
107	if (tmp->type == SKILL)	103	if (tmp->type == SKILL)
108	{	104	{
109	/* This is really a warning, hence no else below */	105	int idx = SKILL_INDEX (tmp);
110	if (op->contr->last_skill_ob[tmp->subtype] && op->contr->last_skill_ob[tmp->subtype] != tmp)
111	LOG (llevError, "Multiple skills with the same subtype? %s, %s\n",
112	&op->contr->last_skill_ob[tmp->subtype]->skill, &tmp->skill);
113		106
114	if (tmp->subtype >= NUM_SKILLS)	107	assert (IN_RANGE_EXC (idx, 0, CS_NUM_SKILLS));
115	LOG (llevError, "Invalid subtype number %d (range 0-%d)\n", tmp->subtype, NUM_SKILLS);	108
116	else	109	if (last_skill_ob [idx] != tmp)
117	{	110	{
118	op->contr->last_skill_ob[tmp->subtype] = tmp;	111	last_skill_ob [idx] = tmp;
119	op->contr->ns->last_skill_exp[tmp->subtype] = -1; //TODO: this should go	112	if (ns)
		113	ns->last_skill_exp [idx] = -1;
120	}	114	}
121	}	115	}
122	}	116	}
123		117
		118	static object *
		119	find_skill (object *who, shstr_cmp name)
		120	{
		121	if (who->chosen_skill
		122	&& who->chosen_skill->skill == name
		123	&& who->chosen_skill->type == SKILL)
		124	return who->chosen_skill;
		125
		126	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		127	if (tmp->skill == name && tmp->type == SKILL)
		128	return splay (tmp);
		129
		130	return 0;
		131	}
		132
		133	object *
		134	player::find_skill (shstr_cmp name) const
		135	{
		136	// might want to use last_skill_obj at one point, or maybe not
		137	return ::find_skill (ob, name);
		138	}
		139
124	/* This returns the skill pointer of the given name (the	140	/* This returns the skill pointer of the given name (the
125	* one that accumlates exp, has the level, etc).	141	* one that accumulates exp, has the level, etc).
126	*	142	*
127	* It is presumed that the player will be needing to actually	143	* It is presumed that the player will be needing to actually
128	* use the skill, so thus if use of the skill requires a skill	144	* use the skill, so thus if use of the skill requires a skill
129	* tool, this code will equip it.	145	* tool, this code will equip it.
130	*/	146	*/
131	object *	147	object *
132	find_skill_by_name (object who, const char name)	148	find_skill_by_name (object *who, shstr_cmp sh)
133	{	149	{
134	object skill = NULL, skill_tool = NULL, *tmp;	150	object *skill_tool = 0;
135		151
136	if (!name)
137	return NULL;
138
139	/* We make sure the length of the string in the object is greater
140	* in length than the passed string. Eg, if we have a skill called
141	* 'hi', we don't want to match if the user passed 'high'
142	*/
143	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	152	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		153	if (tmp->skill == sh)
144	{	154	{
145	if (tmp->type == SKILL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	155	if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] \|\| tmp->flag [FLAG_APPLIED]))
146	skill = tmp;	156	/* If this is a skill that can be used without applying tool, return it */
147		157	return splay (tmp);
148	/* Try to find appropriate skilltool. If the player has one already	158	/* Try to find appropriate skilltool. If the player has one already
149	* applied, we try to keep using that one.	159	* applied, we try to keep using that one.
150	*/	160	*/
151	else if (tmp->type == SKILL_TOOL && !strncasecmp (name, tmp->skill, strlen (name)) && (size_t) strlen (tmp->skill) >= strlen (name))	161	else if (tmp->type == SKILL_TOOL && !skill_tool)
152	{
153	if (QUERY_FLAG (tmp, FLAG_APPLIED))
154	skill_tool = tmp;	162	skill_tool = tmp;
155	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))
156	skill_tool = tmp;
157	}	163	}
158	}	164
159	/* If this is a skill that can be used without a tool, return it */	165	if (!skill_tool)
160	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))
161	return skill;	166	return 0;
162		167
163	/* Player has a tool to use the skill. IF not applied, apply it -	168	/* Player has a tool to use the skill. If not applied, apply it -
164	* if not successful, return null. If they do have the skill tool	169	* if not successful, return null. If they do have the skill tool
165	* but not the skill itself, give it to them.	170	* but not the skill itself, give it to them.
166	*/	171	*/
167	if (skill_tool)	172	object *skill = who->give_skill (skill_tool->skill);
168	{	173
169	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))	174	if (!skill_tool->flag [FLAG_APPLIED])
170	{	175	if (!who->apply (splay (skill_tool)))
171	if (apply_special (who, skill_tool, 0))
172	return NULL;
173	}
174	if (!skill)
175	{
176	skill = give_skill_by_name (who, skill_tool->skill);
177	link_player_skills (who);
178	}
179	return skill;	176	return 0;
180	}	177
		178	return splay (skill);
		179	}
		180
		181	object *
		182	find_skill_by_name_fuzzy (object who, const char name)
		183	{
		184	if (name)
		185	for (object *tmp = who->inv; tmp; tmp = tmp->below)
		186	if ((tmp->type == SKILL \|\| tmp->type == SKILL_TOOL)
		187	&& tmp->skill.starts_with (name))
		188	if (object *skop = find_skill_by_name (who, tmp->skill))
		189	return skop;
		190
181	return NULL;	191	return 0;
182	}	192	}
183
184		193
185	/* This returns the skill pointer of the given name (the	194	/* This returns the skill pointer of the given name (the
186	* one that accumlates exp, has the level, etc).	195	* one that accumulates exp, has the level, etc).
187	*	196	*
188	* It is presumed that the player will be needing to actually	197	* It is presumed that the player will be needing to actually
189	* use the skill, so thus if use of the skill requires a skill	198	* use the skill, so thus if use of the skill requires a skill
190	* tool, this code will equip it.	199	* tool, this code will equip it.
191	*	200	*
192	* This code is basically the same as find_skill_by_name() above,	201	* This code is basically the same as find_skill_by_name() above,
193	* but instead a skill name, we search by matching number.	202	* but instead a skill name, we search by matching number.
194	* this replaces find_skill.	203	* this replaces find_skill.
		204	*
		205	* MUST NOT BE USED IN NEW CODE! (schmorp)
195	*/	206	*/
196	object *	207	object *
197	find_skill_by_number (object *who, int skillno)	208	find_skill_by_number (object *who, int skillno)
198	{	209	{
199	object skill = NULL, skill_tool = NULL, *tmp;
200
201	if (skillno < 1 \|\| skillno >= NUM_SKILLS)
202	return NULL;
203
204	for (tmp = who->inv; tmp != NULL; tmp = tmp->below)	210	for (object *tmp = who->inv; tmp; tmp = tmp->below)
205	{
206	if (tmp->type == SKILL && tmp->subtype == skillno)	211	if (tmp->type == SKILL && tmp->subtype == skillno)
207	skill = tmp;	212	if (object *skop = find_skill_by_name (who, tmp->skill))
		213	return skop;
208		214
209	/* Try to find appropriate skilltool. If the player has one already	215	return 0;
210	* applied, we try to keep using that one.	216	}
211	*/	217
212	else if (tmp->type == SKILL_TOOL && tmp->subtype == skillno)	218	object *
213	{	219	object::give_skill (shstr_cmp name, bool can_use)
214	if (QUERY_FLAG (tmp, FLAG_APPLIED))	220	{
215	skill_tool = tmp;	221	object *skill = find_skill (this, name);
216	else if (!skill_tool \|\| !QUERY_FLAG (skill_tool, FLAG_APPLIED))	222
217	skill_tool = tmp;	223	if (!skill)
218	}	224	skill = give_skill_by_name (this, name);
219	}	225
220	/* If this is a skill that can be used without a tool, return it */	226	if (skill && can_use)
221	if (skill && QUERY_FLAG (skill, FLAG_CAN_USE_SKILL))	227	skill->flag [FLAG_CAN_USE_SKILL] = true;
		228
222	return skill;	229	return skill;
223
224	/* Player has a tool to use the skill. IF not applied, apply it -
225	* if not successful, return null. If they do have the skill tool
226	* but not the skill itself, give it to them.
227	*/
228	if (skill_tool)
229	{
230	if (!QUERY_FLAG (skill_tool, FLAG_APPLIED))
231	{
232	if (apply_special (who, skill_tool, 0))
233	return NULL;
234	}
235
236	if (!skill)
237	{
238	skill = give_skill_by_name (who, skill_tool->skill);
239	link_player_skills (who);
240	}
241
242	return skill;
243	}
244
245	return NULL;
246	}
247
248	/* This changes the objects skill to new_skill.
249	* note that this function doesn't always need to get used -
250	* you can now add skill exp to the player without the chosen_skill being
251	* set. This function is of most interest to players to update
252	* the various range information.
253	* if new_skill is null, this just unapplies the skill.
254	* flag has the current meaning:
255	* 0x1: If set, don't update the range pointer. This is useful when we
256	* need to ready a new skill, but don't want to clobber range.
257	* return 1 on success, 0 on error
258	*/
259
260	int
261	change_skill (object who, object new_skill, int flag)
262	{
263	int old_range;
264
265	if (who->type != PLAYER)
266	return 0;
267
268	old_range = who->contr->shoottype;
269
270	if (who->chosen_skill && who->chosen_skill == new_skill)
271	{
272	/* optimization for changing skill to current skill */
273	if (who->type == PLAYER && !(flag & 0x1))
274	who->contr->shoottype = range_skill;
275
276	return 1;
277	}
278
279	// move skill to front, so it will be preferred next time
280	new_skill->remove ();
281	who->insert (new_skill);
282
283	if (!new_skill \|\| who->chosen_skill)
284	if (who->chosen_skill)
285	apply_special (who, who->chosen_skill, AP_UNAPPLY);
286
287	/* Only goal in this case was to unapply a skill */
288	if (!new_skill)
289	return 0;
290
291	if (apply_special (who, new_skill, AP_APPLY))
292	return 0;
293
294	if (flag & 0x1)
295	who->contr->shoottype = (rangetype)old_range;
296
297	return 1;
298	}
299
300	/* This function just clears the chosen_skill and range_skill values
301	* inthe player.
302	*/
303	void
304	clear_skill (object *who)
305	{
306	who->chosen_skill = NULL;
307	CLEAR_FLAG (who, FLAG_READY_SKILL);
308	if (who->type == PLAYER)
309	{
310	who->contr->ranges[range_skill] = NULL;
311	if (who->contr->shoottype == range_skill)
312	who->contr->shoottype = range_none;
313	}
314	}	230	}
315		231
316	/* do_skill() - Main skills use function-similar in scope to cast_spell().	232	/* do_skill() - Main skills use function-similar in scope to cast_spell().
317	* We handle all requests for skill use outside of some combat here.	233	* We handle all requests for skill use outside of some combat here.
318	* We require a separate routine outside of fire() so as to allow monsters	234	* We require a separate routine outside of fire() so as to allow monsters
…		…
321	* exp - no caller needed that info, but it also prevented the callers	237	* exp - no caller needed that info, but it also prevented the callers
322	* from know if a skill was actually used, as many skills don't	238	* from know if a skill was actually used, as many skills don't
323	* give any exp for their direct use (eg, throwing).	239	* give any exp for their direct use (eg, throwing).
324	* It returns 0 if no skill was used.	240	* It returns 0 if no skill was used.
325	*/	241	*/
326
327	int	242	int
328	do_skill (object op, object part, object skill, int dir, const char string)	243	do_skill (object op, object part, object skill, int dir, const char string)
329	{	244	{
330	int success = 0, exp = 0;	245	int success = 0, exp = 0;
331	int did_alc = 0;
332	object tmp, next;
333		246
334	if (!skill)	247	if (!skill)
335	return 0;	248	return 0;
336		249
337	/* The code below presumes that the skill points to the object that	250	/* The code below presumes that the skill points to the object that
…		…
339	* go and try to find the actual real skill pointer, and if the	252	* go and try to find the actual real skill pointer, and if the
340	* the player doesn't have a bucket for that, create one.	253	* the player doesn't have a bucket for that, create one.
341	*/	254	*/
342	if (skill->type != SKILL && op->type == PLAYER)	255	if (skill->type != SKILL && op->type == PLAYER)
343	{	256	{
344	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	257	for (object *tmp = op->inv; tmp; tmp = tmp->below)
345	if (tmp->type == SKILL && tmp->skill == skill->skill)	258	if (tmp->type == SKILL && tmp->skill == skill->skill)
346	break;	259	{
		260	skill = tmp;
		261	goto found;
		262	}
347		263
348	if (!tmp)
349	tmp = give_skill_by_name (op, skill->skill);	264	skill = give_skill_by_name (op, skill->skill);
350		265	found: ;
351	skill = tmp;
352	}	266	}
353		267
354	// skill, by_whom, on_which_object, which direction, skill_argument	268	// skill, by_whom, on_which_object, which direction, skill_argument
355	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))	269	if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string)))
356	return 0;	270	return 0;
…		…
361	/* Not 100% sure if this will work with new movement code -	275	/* Not 100% sure if this will work with new movement code -
362	* the levitation skill has move_type for flying, so when	276	* the levitation skill has move_type for flying, so when
363	* equipped, that should transfer to player, when not,	277	* equipped, that should transfer to player, when not,
364	* shouldn't.	278	* shouldn't.
365	*/	279	*/
366	if (QUERY_FLAG (skill, FLAG_APPLIED))	280	if (skill->flag [FLAG_APPLIED])
367	{	281	{
368	CLEAR_FLAG (skill, FLAG_APPLIED);	282	skill->clr_flag (FLAG_APPLIED);
369	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");	283	new_draw_info (NDI_UNIQUE, 0, op, "You come to earth.");
370	}	284	}
371	else	285	else
372	{	286	{
373	SET_FLAG (skill, FLAG_APPLIED);	287	skill->set_flag (FLAG_APPLIED);
374	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!.");	288	new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!");
375	}	289	}
376		290
377	op->update_stats ();	291	op->update_stats ();
378	success = 1;	292	success = 1;
379	break;	293	break;
…		…
389	case SK_HIDING:	303	case SK_HIDING:
390	exp = success = hide (op, skill);	304	exp = success = hide (op, skill);
391	break;	305	break;
392		306
393	case SK_JUMPING:	307	case SK_JUMPING:
394	success = jump (op, dir, skill);	308	exp = success = jump (op, dir, skill);
395	break;	309	break;
396		310
397	case SK_INSCRIPTION:	311	case SK_INSCRIPTION:
398	exp = success = write_on_item (op, string, skill);	312	exp = success = write_on_item (op, string, skill);
399	break;	313	break;
…		…
403	success = 1;	317	success = 1;
404	break;	318	break;
405	/* note that the following 'attack' skills gain exp through hit_player() */	319	/* note that the following 'attack' skills gain exp through hit_player() */
406		320
407	case SK_KARATE:	321	case SK_KARATE:
408	(void) attack_hth (op, dir, "karate-chopped", skill);	322	attack_hth (op, dir, "karate-chopped", skill);
409	break;	323	break;
410		324
411	case SK_PUNCHING:	325	case SK_PUNCHING:
412	(void) attack_hth (op, dir, "punched", skill);	326	attack_hth (op, dir, "punched", skill);
413	break;	327	break;
414		328
415	case SK_FLAME_TOUCH:	329	case SK_FLAME_TOUCH:
416	(void) attack_hth (op, dir, "flamed", skill);	330	attack_hth (op, dir, "flamed", skill);
417	break;	331	break;
418		332
419	case SK_SPARK_TOUCH:	333	case SK_SPARK_TOUCH:
420	(void) attack_hth (op, dir, "zapped", skill);	334	attack_hth (op, dir, "zapped", skill);
421	break;	335	break;
422		336
423	case SK_SHIVER:	337	case SK_SHIVER:
424	(void) attack_hth (op, dir, "froze", skill);	338	attack_hth (op, dir, "froze", skill);
425	break;	339	break;
426		340
427	case SK_ACID_SPLASH:	341	case SK_ACID_SPLASH:
428	(void) attack_hth (op, dir, "dissolved", skill);	342	attack_hth (op, dir, "dissolved", skill);
429	break;	343	break;
430		344
431	case SK_POISON_NAIL:	345	case SK_POISON_NAIL:
432	(void) attack_hth (op, dir, "injected poison into", skill);	346	attack_hth (op, dir, "injected poison into", skill);
433	break;	347	break;
434		348
435	case SK_CLAWING:	349	case SK_CLAWING:
436	(void) attack_hth (op, dir, "clawed", skill);	350	attack_hth (op, dir, "clawed", skill);
437	break;	351	break;
438		352
439	case SK_ONE_HANDED_WEAPON:	353	case SK_ONE_HANDED_WEAPON:
440	case SK_TWO_HANDED_WEAPON:	354	case SK_TWO_HANDED_WEAPON:
441	(void) attack_melee_weapon (op, dir, NULL, skill);	355	attack_melee_weapon (op, dir, NULL, skill);
442	break;	356	break;
443		357
444	case SK_FIND_TRAPS:	358	case SK_FIND_TRAPS:
445	exp = success = find_traps (op, skill);	359	exp = success = find_traps (op, skill);
446	break;	360	break;
…		…
461	case SK_LITERACY:	375	case SK_LITERACY:
462	case SK_WOODSMAN:	376	case SK_WOODSMAN:
463	/* first, we try to find a cauldron, and do the alchemy thing.	377	/* first, we try to find a cauldron, and do the alchemy thing.
464	* failing that, we go and identify stuff.	378	* failing that, we go and identify stuff.
465	*/	379	*/
		380	{
		381	bool found_cauldron = false;
		382
466	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = next)	383	for (object next, tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next)
467	{	384	{
468	next = tmp->above;	385	next = tmp->above;
469		386
470	if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON))	387	if (tmp->flag [FLAG_IS_CAULDRON])
471	{	388	{
		389	found_cauldron = true;
		390
		391	if (tmp->skill != skill->skill)
		392	{
		393	op->failmsgf ("You can't use the %s with the %s skill!",
		394	query_name (tmp),
		395	query_name (skill));
		396	break;
		397	}
		398
472	attempt_do_alchemy (op, tmp);	399	attempt_do_alchemy (op, tmp, skill);
473		400
474	if (QUERY_FLAG (tmp, FLAG_APPLIED))	401	if (tmp->flag [FLAG_APPLIED])
475	esrv_send_inventory (op, tmp);	402	esrv_send_inventory (op, tmp);
476
477	did_alc = 1;
478	}	403	}
479	}	404	}
480		405
481	if (did_alc == 0)	406	if (!found_cauldron)
482	exp = success = skill_ident (op, skill);	407	exp = success = skill_ident (op, skill);
483		408	}
484	break;	409	break;
485		410
486	case SK_DET_MAGIC:	411	case SK_DET_MAGIC:
487	case SK_DET_CURSE:	412	case SK_DET_CURSE:
488	exp = success = skill_ident (op, skill);	413	exp = success = skill_ident (op, skill);
…		…
519	case SK_SUMMONING:	444	case SK_SUMMONING:
520	case SK_CLIMBING:	445	case SK_CLIMBING:
521	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");	446	new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect.");
522	break;	447	break;
523		448
		449	case SK_MINING:
		450	success = skill_mining (op, part, skill, dir, string);
		451	break;
		452
524	default:	453	default:
525	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);	454	LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp);
526	break;	455	break;
527	}	456	}
528		457
…		…
530	* Monsters have no skill use time because of the random nature in	459	* Monsters have no skill use time because of the random nature in
531	* which use_monster_skill is called already simulates this.	460	* which use_monster_skill is called already simulates this.
532	* If certain skills should take more/less time, that should be	461	* If certain skills should take more/less time, that should be
533	* in the code for the skill itself.	462	* in the code for the skill itself.
534	*/	463	*/
535
536	if (op->type == PLAYER)	464	if (op->type == PLAYER)
537	op->speed_left -= 1.0;	465	op->speed_left -= 1.f;
538		466
539	/* this is a good place to add experience for successfull use of skills.	467	/* this is a good place to add experience for successfull use of skills.
540	* Note that add_exp() will figure out player/monster experience	468	* Note that add_exp() will figure out player/monster experience
541	* gain problems.	469	* gain problems.
542	*/	470	*/
…		…
570	* op is the object that was 'defeated'.	498	* op is the object that was 'defeated'.
571	* skill is the skill used. If no skill is used, it should just	499	* skill is the skill used. If no skill is used, it should just
572	* point back to who.	500	* point back to who.
573	*	501	*
574	*/	502	*/
575
576	int	503	int
577	calc_skill_exp (object who, object op, object *skill)	504	calc_skill_exp (object who, object op, object *skill)
578	{	505	{
579	int op_exp = 0, op_lvl = 0;	506	int op_exp = 0, op_lvl = 0;
580	float base, value, lvl_mult = 0.0;	507	float base, value, lvl_mult = 0.0;
…		…
589	* If an object is not alive and magical we set the base exp higher to	516	* If an object is not alive and magical we set the base exp higher to
590	* help out exp awards for skill_ident skills. Also, if	517	* help out exp awards for skill_ident skills. Also, if
591	* an item is type RUNE, we give out exp based on stats.Cha	518	* an item is type RUNE, we give out exp based on stats.Cha
592	* and level (this was the old system) -b.t.	519	* and level (this was the old system) -b.t.
593	*/	520	*/
594
595	if (!op)	521	if (!op)
596	{ /* no item/creature */	522	{ /* no item/creature */
597	op_lvl = who->map->difficulty < 1 ? 1 : who->map->difficulty;	523	op_lvl = max (1, who->map->difficulty);
598	op_exp = 0;	524	op_exp = 0;
599	}	525	}
600	else if (op->type == RUNE \|\| op->type == TRAP)	526	else if (op->type == RUNE \|\| op->type == TRAP)
601	{ /* all traps. If stats.Cha > 1 we use that	527	{ /* all traps. If stats.Cha > 1 we use that
602	* for the amount of experience */	528	* for the amount of experience */
…		…
605	}	531	}
606	else	532	else
607	{ /* all other items/living creatures */	533	{ /* all other items/living creatures */
608	op_exp = op->stats.exp;	534	op_exp = op->stats.exp;
609	op_lvl = op->level;	535	op_lvl = op->level;
610	if (!QUERY_FLAG (op, FLAG_ALIVE))	536	if (!op->flag [FLAG_ALIVE])
611	{ /* for ident/make items */	537	op_lvl += 5 * abs (op->magic); /* for ident/make items */
612	op_lvl += 5 * abs (op->magic);
613	}
614	}	538	}
615		539
616	if (op_lvl < 1)	540	if (op_lvl < 1)
617	op_lvl = 1;	541	op_lvl = 1;
618		542
…		…
626	/* if skill really is a skill, then we can look at the skill archetype for	550	/* if skill really is a skill, then we can look at the skill archetype for
627	* bse reward value (exp) and level multiplier factor.	551	* bse reward value (exp) and level multiplier factor.
628	*/	552	*/
629	if (skill->type == SKILL)	553	if (skill->type == SKILL)
630	{	554	{
631	base += skill->arch->clone.stats.exp;	555	base += skill->arch->stats.exp;
632	if (settings.simple_exp)	556	if (settings.simple_exp)
633	{	557	{
634	if (skill->arch->clone.level)	558	if (skill->arch->level)
635	lvl_mult = (float) skill->arch->clone.level / 100.0;	559	lvl_mult = (float) skill->arch->level / 100.0;
636	else	560	else
637	lvl_mult = 1.0; /* no adjustment */	561	lvl_mult = 1.0; /* no adjustment */
638	}	562	}
639	else	563	else
640	{	564	{
641	if (skill->level)	565	if (skill->level)
642	lvl_mult = ((float) skill->arch->clone.level * (float) op_lvl) / ((float) skill->level * 100.0);	566	lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0);
643	else	567	else
644	lvl_mult = 1.0;	568	lvl_mult = 1.0;
645	}	569	}
646	}	570	}
647	else	571	else
648	{	572	{
649	/* Don't divide by zero here! */	573	/* Don't divide by zero here! */
650	lvl_mult = (float) op_lvl / (float) (skill->level ? skill->level : 1);	574	lvl_mult = (float) op_lvl / (float) max (1, skill->level);
651	}	575	}
652	}	576	}
653		577
654	/* assemble the exp total, and return value */	578	/* assemble the exp total, and return value */
655		579
…		…
669	* This one actually teaches the player the skill as something	593	* This one actually teaches the player the skill as something
670	* they can equip.	594	* they can equip.
671	* Return 0 if the player knows the skill, 1 if the	595	* Return 0 if the player knows the skill, 1 if the
672	* player learns the skill, 2 otherwise.	596	* player learns the skill, 2 otherwise.
673	*/	597	*/
674
675	int	598	int
676	learn_skill (object pl, object scroll)	599	learn_skill (object pl, object scroll)
677	{	600	{
678	object *tmp;
679
680	if (!scroll->skill)	601	if (!scroll->skill)
681	{	602	{
682	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);	603	LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name);
683	return 2;	604	return 2;
684	}	605	}
685		606
686	/* can't use find_skill_by_name because we want skills the player knows	607	object *tmp = find_skill (pl, scroll->skill);
687	* but can't use natively.
688	*/
689
690	for (tmp = pl->inv; tmp != NULL; tmp = tmp->below)
691	if (tmp->type == SKILL && !strncasecmp (scroll->skill, tmp->skill, strlen (scroll->skill)))
692	break;
693		608
694	/* player already knows it */	609	/* player already knows it */
695	if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL))	610	if (tmp && tmp->flag [FLAG_CAN_USE_SKILL])
696	return 0;	611	return 0;
697		612
698	/* now a random change to learn, based on player Int.	613	/* now a random change to learn, based on player Int.
699	* give bonus based on level - otherwise stupid characters	614	* give bonus based on level - otherwise stupid characters
700	* might never be able to learn anything.	615	* might never be able to learn anything.
…		…
709	{	624	{
710	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);	625	LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill);
711	return 2;	626	return 2;
712	}	627	}
713		628
714	SET_FLAG (tmp, FLAG_CAN_USE_SKILL);	629	tmp->set_flag (FLAG_CAN_USE_SKILL);
715	link_player_skills (pl);	630
716	return 1;	631	return 1;
717	}	632	}
718		633
719	/* Gives a percentage clipped to 0% -> 100% of a/b. */	634	/* Gives a percentage clipped to 0% -> 100% of a/b. */
720
721	/* Probably belongs in some global utils-type file? */	635	/* Probably belongs in some global utils-type file? */
722	static int	636	static int
723	clipped_percent (sint64 a, sint64 b)	637	clipped_percent (sint64 a, sint64 b)
724	{	638	{
725	int rv;	639	int rv;
…		…
733	return 0;	647	return 0;
734	else if (rv > 100)	648	else if (rv > 100)
735	return 100;	649	return 100;
736		650
737	return rv;	651	return rv;
		652	}
		653
		654	static int
		655	cmp_skillp (const void sk1, const void sk2)
		656	{
		657	return strcmp (&(((const object *) sk1)->name),
		658	&(((const object *) sk2)->name));
738	}	659	}
739		660
740	/* show_skills() - Meant to allow players to examine	661	/* show_skills() - Meant to allow players to examine
741	* their current skill list.	662	* their current skill list.
742	* This shows the amount of exp they have in the skills.	663	* This shows the amount of exp they have in the skills.
…		…
745	* Note this function is a bit more complicated becauase we	666	* Note this function is a bit more complicated becauase we
746	* we want ot sort the skills before printing them. If we	667	* we want ot sort the skills before printing them. If we
747	* just dumped this as we found it, this would be a bit	668	* just dumped this as we found it, this would be a bit
748	* simpler.	669	* simpler.
749	*/	670	*/
750
751	void	671	void
752	show_skills (object op, const char search)	672	show_skills (object pl, const char search)
753	{	673	{
754	object *tmp = NULL;
755	char buf[MAX_BUF];
756	const char *cp;	674	const char *cp;
757	int i, num_skills_found = 0;	675	int i, num_skills_found = 0;
758	static const char *const periods = "........................................";	676	object *skills[CS_NUM_SKILLS];
		677	object *op = pl->contr->ob;
759		678
760	/* Need to have a pointer and use strdup for qsort to work properly */	679	/* find the skills */
761	char skills[NUM_SKILLS][MAX_BUF];
762
763
764	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	680	for (object *tmp = op->inv; tmp; tmp = tmp->below)
765	{	681	{
766	if (tmp->type == SKILL)	682	if (tmp->type == SKILL)
767	{	683	{
768	if (search && strstr (tmp->name, search) == NULL)	684	if (search && !tmp->name.contains (search))
769	continue;	685	continue;
770	/* Basically want to fill this out to 40 spaces with periods */
771	sprintf (buf, "%s%s", &tmp->name, periods);
772	buf[40] = 0;
773		686
774	if (settings.permanent_exp_ratio)	687	skills[num_skills_found++] = tmp;
775	{	688
776	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
777	buf, tmp->level, tmp->stats.exp,
778	level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp));
779	}
780	else
781	{
782	sprintf (skills[num_skills_found++], "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
783	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
784	}
785	/* 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
786	* it sometimes happens (maybe a leftover from bugier earlier code	690	* it sometimes happens (maybe a leftover from bugier earlier code
787	* and those character are still about). In any case, lets handle	691	* and those character are still about). In any case, lets handle
788	* 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
789	* crash the server numerous times.	693	* crash the server numerous times.
790	*/	694	*/
791	if (num_skills_found >= NUM_SKILLS)	695	if (num_skills_found >= CS_NUM_SKILLS)
792	{	696	{
793	new_draw_info (NDI_RED, 0, op, "Your character has too many skills.");	697	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Your character has too many skills.");
794	new_draw_info (NDI_RED, 0, op, "Something isn't right - contact the server admin");	698	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "Something isn't right - contact the server admin");
795	break;	699	break;
796	}	700	}
797	}	701	}
798	}	702	}
799		703
800	clear_win_info (op);	704	dynbuf_text &msg = msg_dynbuf; msg.clear ();
801	new_draw_info (NDI_UNIQUE, 0, op, "Player skills:");	705
		706	msg << "T<Player skills:>\n\n";
802	if (num_skills_found > 1)	707	if (num_skills_found > 1)
803	qsort (skills, num_skills_found, MAX_BUF, (int ()(const void , const void *)) std::strcmp);	708	qsort (skills, num_skills_found, sizeof (skills [0]), cmp_skillp);
804		709
		710	char buf[31]; /* +1 for '\0' */
		711	const char *const periods = ".............................."; // 30
		712
805	for (i = 0; i < num_skills_found; i++)	713	for (i = 0; i < num_skills_found; i++) {
806	new_draw_info (NDI_UNIQUE, 0, op, skills[i]);	714	object *tmp = skills[i];
807		715
808	new_draw_info_format (NDI_UNIQUE, 0, op, "You can handle %d weapon improvements.", op->level / 5 + 5);	716	/* Basically want to fill this out to 30 spaces with periods */
		717	snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods);
		718
		719	msg << " C<";
		720
		721	if (settings.permanent_exp_ratio)
		722	msg.printf ("%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)",
		723	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul),
		724	clipped_percent (tmp->perm_exp, tmp->stats.exp));
		725	else
		726	msg.printf ("%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")",
		727	buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul));
		728
		729	msg << ">\n";
		730	}
		731
		732	msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r";
809		733
810	cp = determine_god (op);	734	cp = determine_god (op);
811	new_draw_info_format (NDI_UNIQUE, 0, op, "You worship %s.", cp ? cp : "no god at current time");	735	msg << "You worship " << (cp ? cp : "no god at current time") << ".\r";
812		736
813	new_draw_info_format (NDI_UNIQUE, 0, op, "Your equipped item power is %d out of %d\n",	737	msg << "Your equipped item power is " << (int)op->contr->item_power
814	op->contr->item_power, (int) (op->level * settings.item_power_factor));	738	<< " out of " << int (op->level * settings.item_power_factor)
		739	<< ".\n";
		740
		741	pl->contr->infobox (MSG_CHANNEL ("skills"), msg);
815	}	742	}
816		743
817	/* use_skill() - similar to invoke command, it executes the skill in the	744	/* use_skill() - similar to invoke command, it executes the skill in the
818	* direction that the user is facing. Returns false if we are unable to	745	* direction that the user is facing. Returns false if we are unable to
819	* change to the requested skill, or were unable to use the skill properly.	746	* change to the requested skill, or were unable to use the skill properly.
820	* This is tricky because skills can have spaces. We basically roll	747	* This is tricky because skills can have spaces. We basically roll
821	* our own find_skill_by_name so we can try to do better string matching.	748	* our own find_skill_by_name so we can try to do better string matching.
822	*/	749	*/
823
824	int	750	int
825	use_skill (object op, const char string)	751	use_skill (object op, const char string)
826	{	752	{
827	object *skop;	753	object *skop;
828	size_t len;	754	size_t len;
829		755
830	if (!string)	756	if (!string)
831	return 0;	757	return 0;
832		758
833	for (skop = op->inv; skop != NULL; skop = skop->below)	759	for (skop = op->inv; skop; skop = skop->below)
834	{	760	if ((skop->type == SKILL \|\| skop->type == SKILL_TOOL)
835	if (skop->type == SKILL && QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) &&
836	!strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))	761	&& !strncmp (string, skop->skill, min (strlen (string), strlen (skop->skill))))
		762	{
		763	skop = find_skill_by_name (op, skop->skill);
837	break;	764	break;
838	else if (skop->type == SKILL_TOOL && !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill))))
839	break;
840	}	765	}
		766
841	if (!skop)	767	if (!skop)
842	{	768	{
843	new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string);	769	op->failmsgf ("Unable to find skill %s.", string);
		770	return 0;
		771	}
		772
		773	if (!(skill_flags [skop->subtype] & SF_USE))
		774	{
		775	op->failmsgf (
		776	"You feel as if you wanted to do something funny, but you can't remember what. "
		777	"H<The %s skill cannot be C<use_skill>'ed - maybe you need to C<ready_skill> it, "
		778	"use it with some item, or it's always active.>",
		779	&skop->skill
		780	);
844	return 0;	781	return 0;
845	}	782	}
846		783
847	len = strlen (skop->skill);	784	len = strlen (skop->skill);
848		785
…		…
850	* options given to the skill. Its pretty simple - if there	787	* options given to the skill. Its pretty simple - if there
851	* are extra parameters (as deteremined by string length), we	788	* are extra parameters (as deteremined by string length), we
852	* want to skip over any leading spaces.	789	* want to skip over any leading spaces.
853	*/	790	*/
854	if (len >= strlen (string))	791	if (len >= strlen (string))
855	{
856	string = NULL;	792	string = NULL;
857	}
858	else	793	else
859	{	794	{
860	string += len;	795	string += len;
861	while (*string == 0x20)	796	while (*string == 0x20)
862	string++;	797	string++;
		798
863	if (strlen (string) == 0)	799	if (strlen (string) == 0)
864	string = NULL;	800	string = NULL;
865	}	801	}
866		802
867	#ifdef SKILL_UTIL_DEBUG	803	#ifdef SKILL_UTIL_DEBUG
868	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");	804	LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none");
869	#endif	805	#endif
870		806
871	/* Change to the new skill, then execute it. */
872	if (do_skill (op, op, skop, op->facing, string))	807	if (do_skill (op, op, skop, op->facing, string))
873	return 1;	808	return 1;
874		809
875	return 0;	810	return 0;
876	}	811	}
877		812
878	static bool	813	static bool
879	hth_skill_p (object *skill)	814	hth_skill_p (object *skill)
880	{	815	{
881	for (unsigned int i = 0; i < sizeof (unarmed_skills); ++i)	816	return (skill_flags [skill->subtype] & (SF_COMBAT \| SF_NEED_ITEM)) == SF_COMBAT;
882	if (skill->subtype == unarmed_skills[i])
883	return 1;
884
885	return 0;
886	}	817	}
887		818
888	/* This finds the first unarmed skill the player has, and returns it.	819	/* This finds the first unarmed skill the player has, and returns it.
889	*/	820	*/
890	static object *	821	static object *
891	find_player_hth_skill (object *op)	822	find_player_hth_skill (object *op)
892	{	823	{
893	for (object *tmp = op->inv; tmp; tmp = tmp->below)	824	for (object *tmp = op->inv; tmp; tmp = tmp->below)
894	if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp))	825	if (tmp->type == SKILL && tmp->flag [FLAG_CAN_USE_SKILL] && hth_skill_p (tmp))
895	return tmp;	826	return tmp;
896		827
897	return 0;	828	return 0;
898	}	829	}
899		830
…		…
904	* tmp is the targetted monster.	835	* tmp is the targetted monster.
905	* op is what is attacking	836	* op is what is attacking
906	* string is passed along to describe what messages to describe	837	* string is passed along to describe what messages to describe
907	* the damage.	838	* the damage.
908	*/	839	*/
909
910	static int	840	static int
911	do_skill_attack (object tmp, object op, const char string, object skill)	841	do_skill_attack (object tmp, object op, const char string, object skill)
912	{	842	{
913	int success;
914
915	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))	843	if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill)))
916	return RESULT_INT (0);	844	return RESULT_INT (0);
917		845
918	/* For Players only: if there is no ready weapon, and no "attack" skill	846	/* For Players only: if there is no ready weapon, and no "attack" skill
919	* is readied either then try to find a skill for the player to use.	847	* is readied either then try to find a skill for the player to use.
920	* it is presumed that if skill is set, it is a valid attack skill (eg,	848	* it is presumed that if skill is set, it is a valid attack skill (eg,
921	* the caller should have set it appropriately). We still want to pass	849	* the caller should have set it appropriately). We still want to pass
922	* through that code if skill is set to change to the skill.	850	* through that code if skill is set to change to the skill.
923	*/	851	*/
924	if (op->type == PLAYER)	852	if (player *pl = op->contr)
925	{	853	{
926	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	854	if (skill)
927	{	855	{
928	if (!skill)	856	if (!op->apply (skill))
		857	return 0;
		858	}
		859	else
		860	{
		861	if (!pl->combat_ob)
929	{	862	{
930	/* See if the players chosen skill is a combat skill, and use	863	if (op->flag [FLAG_READY_WEAPON])
931	* it if appropriate.
932	*/
933	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
934	skill = op->chosen_skill;
935	else
936	{	864	{
937	skill = find_player_hth_skill (op);	865	for (tmp = op->inv; tmp; tmp = tmp->below)
		866	if (tmp->type == WEAPON && tmp->flag [FLAG_APPLIED])
		867	break;
938		868
939	if (!skill)	869	if (!tmp)
		870	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
		871
		872	pl->combat_ob = tmp;
		873	}
		874
		875	if (!pl->combat_ob)
		876	{
		877	/* See if the players chosen skill is a combat skill, and use
		878	* it if appropriate.
		879	*/
		880	if (op->chosen_skill && hth_skill_p (op->chosen_skill))
		881	skill = op->chosen_skill;
		882	else
940	{	883	{
		884	skill = find_player_hth_skill (op);
		885
		886	if (!skill)
941	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");	887	new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!");
942	return 0;
943	}	888	}
		889
		890	op->apply (skill);
		891	}
		892
		893	if (!pl->combat_ob)
		894	{
		895	LOG (llevError, "Could not find anything to attack on %s\n", &op->name);
		896	return 0;
944	}	897	}
945	}	898	}
946		899
947	/* now try to ready the new skill */	900	if (!op->apply (pl->combat_ob))
948	if (!change_skill (op, skill, 0))	901	return 0;
949	{ /* oh oh, trouble! */	902
950	new_draw_info_format (NDI_UNIQUE, 0, tmp, "Couldn't change to skill %s", &skill->name);	903	if (!op->chosen_skill)
		904	{
		905	LOG (llevError, "do_skill_attack: weapon has no skill (%s)", pl->combat_ob->debug_desc ());
		906	new_draw_info (NDI_RED \| NDI_REPLY, 0, op, "You hit a bug in the server, please contact an admin!");
951	return 0;	907	return 0;
952	}	908	}
953	}	909	}
954	else	910
		911	/* lose invisiblity/hiding status for running attacks */
		912	if (pl->tmp_invis)
955	{	913	{
956	/* Seen some crashes below where current_weapon is not set,	914	pl->tmp_invis = 0;
957	* even though the flag says it is. So if current weapon isn't set,	915	op->invisible = 0;
958	* do some work in trying to find the object to use.	916	op->flag [FLAG_HIDDEN] = 0;
959	*/	917	update_object (op, UP_OBJ_CHANGE);
960	if (!op->current_weapon)
961	{
962	object *tmp;
963
964	LOG (llevError, "Player %s does not have current weapon set but flag_ready_weapon is set\n", &op->name);
965	for (tmp = op->inv; tmp; tmp = tmp->below)
966	if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED))
967	break;
968
969	if (!tmp)
970	{
971	LOG (llevError, "Could not find applied weapon on %s\n", &op->name);
972	op->current_weapon = NULL;
973	return 0;
974	}
975	else
976	{
977	op->current_weapon = tmp;
978	}
979	}
980
981	change_skill (op, find_skill_by_name (op, op->current_weapon->skill), 1);
982	}	918	}
983	}	919	}
984		920
985	/* lose invisiblity/hiding status for running attacks */
986
987	if (op->type == PLAYER && op->contr->tmp_invis)
988	{
989	op->contr->tmp_invis = 0;
990	op->invisible = 0;
991	op->hide = 0;
992	update_object (op, UP_OBJ_CHANGE);
993	}
994
995	success = attack_ob (tmp, op);	921	int success = attack_ob (tmp, op);
996		922
997	/* print appropriate messages to the player */	923	/* print appropriate messages to the player */
998		924
999	if (success && string != NULL && tmp && !QUERY_FLAG (tmp, FLAG_FREED))	925	if (success && string && tmp && !tmp->flag [FLAG_FREED])
1000	{	926	{
1001	if (op->type == PLAYER)	927	if (op->type == PLAYER)
1002	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));	928	new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp));
1003	else if (tmp->type == PLAYER)	929	else if (tmp->type == PLAYER)
1004	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);	930	new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string);
1005	}	931	}
		932
1006	return success;	933	return success;
1007	}	934	}
1008
1009		935
1010	/* skill_attack() - Core routine for use when we attack using a skills	936	/* skill_attack() - Core routine for use when we attack using a skills
1011	* system. In essence, this code handles	937	* system. In essence, this code handles
1012	* all skill-based attacks, ie hth, missile and melee weapons should be	938	* all skill-based attacks, i.e. hth, missile and melee weapons should be
1013	* treated here. If an opponent is already supplied by move_player(),	939	* treated here. If an opponent is already supplied by move_player(),
1014	* we move right onto do_skill_attack(), otherwise we find if an	940	* we move right onto do_skill_attack(), otherwise we find if an
1015	* appropriate opponent exists.	941	* appropriate opponent exists.
1016	*	942	*
1017	* This is called by move_player() and attack_hth()	943	* This is called by move_player() and attack_hth()
1018	*	944	*
1019	* Initial implementation by -bt thomas@astro.psu.edu	945	* Initial implementation by -bt thomas@astro.psu.edu
1020	*/	946	*/
1021
1022	int	947	int
1023	skill_attack (object tmp, object pl, int dir, const char string, object skill)	948	skill_attack (object tmp, object pl, int dir, const char string, object skill)
1024	{	949	{
1025	sint16 tx, ty;	950	sint16 tx, ty;
1026	maptile *m;	951	maptile *m;
…		…
1033	ty = freearr_y[dir];	958	ty = freearr_y[dir];
1034		959
1035	/* If we don't yet have an opponent, find if one exists, and attack.	960	/* If we don't yet have an opponent, find if one exists, and attack.
1036	* Legal opponents are the same as outlined in move_player_attack()	961	* Legal opponents are the same as outlined in move_player_attack()
1037	*/	962	*/
1038		963	if (!tmp)
1039	if (tmp == NULL)
1040	{	964	{
1041	m = pl->map;	965	m = pl->map;
1042	tx = pl->x + freearr_x[dir];	966	tx = pl->x + freearr_x[dir];
1043	ty = pl->y + freearr_y[dir];	967	ty = pl->y + freearr_y[dir];
1044		968
…		…
1049	/* space must be blocked for there to be anything interesting to do */	973	/* space must be blocked for there to be anything interesting to do */
1050	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))	974	if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty)))
1051	return 0;	975	return 0;
1052		976
1053	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)	977	for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above)
1054	if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) \|\| QUERY_FLAG (tmp, FLAG_CAN_ROLL) \|\| tmp->type == LOCKED_DOOR)	978	if ((tmp->flag [FLAG_ALIVE] && tmp->stats.hp >= 0) \|\| tmp->flag [FLAG_CAN_ROLL] \|\| tmp->type == LOCKED_DOOR)
1055	{	979	{
1056	/* Don't attack party members */	980	/* Don't attack party members */
1057	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))	981	if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party))
1058	return 0;	982	return 0;
		983
1059	break;	984	break;
1060	}	985	}
1061	}	986	}
		987
1062	if (!tmp)	988	if (!tmp)
1063	{	989	{
1064	if (pl->type == PLAYER)	990	if (pl->type == PLAYER)
1065	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");	991	new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!");
		992
1066	return 0;	993	return 0;
1067	}	994	}
1068		995
1069	return do_skill_attack (tmp, pl, string, skill);	996	return do_skill_attack (tmp, pl, string, skill);
1070	}	997	}
1071
1072		998
1073	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */	999	/* attack_hth() - this handles all hand-to-hand attacks -b.t. */
1074		1000
1075	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first	1001	/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first
1076	* (attack_hth) we check for weapon use, etc in the second (the new	1002	* (attack_hth) we check for weapon use, etc in the second (the new
1077	* function skill_attack() we actually attack.	1003	* function skill_attack() we actually attack.
1078	*/	1004	*/
1079
1080	static int	1005	static int
1081	attack_hth (object pl, int dir, const char string, object *skill)	1006	attack_hth (object pl, int dir, const char string, object *skill)
1082	{	1007	{
1083	object enemy = NULL, weapon;	1008	object enemy = NULL, weapon;
1084		1009
1085	if (QUERY_FLAG (pl, FLAG_READY_WEAPON))	1010	if (pl->flag [FLAG_READY_WEAPON])
1086	for (weapon = pl->inv; weapon; weapon = weapon->below)	1011	for (weapon = pl->inv; weapon; weapon = weapon->below)
1087	{	1012	{
1088	if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED))	1013	if (weapon->type == WEAPON && weapon->flag [FLAG_APPLIED])
1089	{	1014	{
1090	CLEAR_FLAG (weapon, FLAG_APPLIED);	1015	weapon->clr_flag (FLAG_APPLIED);
1091	CLEAR_FLAG (pl, FLAG_READY_WEAPON);	1016	pl->clr_flag (FLAG_READY_WEAPON);
1092	pl->update_stats ();	1017	pl->update_stats ();
1093	if (pl->type == PLAYER)	1018	if (pl->type == PLAYER)
1094	{	1019	{
1095	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");	1020	new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack.");
1096	esrv_update_item (UPD_FLAGS, pl, weapon);	1021	esrv_update_item (UPD_FLAGS, pl, weapon);
1097	}	1022	}
		1023
1098	break;	1024	break;
1099	}	1025	}
1100	}	1026	}
		1027
1101	return skill_attack (enemy, pl, dir, string, skill);	1028	return skill_attack (enemy, pl, dir, string, skill);
1102	}	1029	}
1103
1104		1030
1105	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.	1031	/* attack_melee_weapon() - this handles melee weapon attacks -b.t.
1106	* For now we are just checking to see if we have a ready weapon here.	1032	* For now we are just checking to see if we have a ready weapon here.
1107	* But there is a real neato possible feature of this scheme which	1033	* But there is a real neato possible feature of this scheme which
1108	* bears mentioning:	1034	* bears mentioning:
1109	* Since we are only calling this from do_skill() in the future	1035	* Since we are only calling this from do_skill() in the future
1110	* we may make this routine handle 'special' melee weapons attacks	1036	* we may make this routine handle 'special' melee weapons attacks
1111	* (like disarming manuever with sai) based on player SK_level and	1037	* (like disarming manuever with sai) based on player SK_level and
1112	* weapon type.	1038	* weapon type.
1113	*/	1039	*/
1114
1115	static int	1040	static int
1116	attack_melee_weapon (object op, int dir, const char string, object *skill)	1041	attack_melee_weapon (object op, int dir, const char string, object *skill)
1117	{	1042	{
1118		1043
1119	if (!QUERY_FLAG (op, FLAG_READY_WEAPON))	1044	if (!op->flag [FLAG_READY_WEAPON])
1120	{	1045	{
1121	if (op->type == PLAYER)	1046	if (op->type == PLAYER)
1122	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");	1047	new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!");
		1048
1123	return 0;	1049	return 0;
1124	}	1050	}
		1051
1125	return skill_attack (NULL, op, dir, string, skill);	1052	return skill_attack (NULL, op, dir, string, skill);
1126
1127	}	1053	}
		1054

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Comparing deliantra/server/server/skill_util.C (file contents): Revision 1.29 by root, Wed Mar 14 04:12:29 2007 UTC vs. Revision 1.101 by root, Tue Feb 8 01:03:47 2011 UTC

Diff Legend

Comparing deliantra/server/server/skill_util.C (file contents):
Revision 1.29 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.101 by root, Tue Feb 8 01:03:47 2011 UTC