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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.61 by root, Sat Sep 8 07:24:31 2007 UTC vs.
Revision 1.80 by root, Mon Sep 29 08:25:02 2008 UTC

…		…
1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* 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
10	* the Free Software Foundation, either version 3 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your 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,
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 GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*	20	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	22	*/
23		23
24	#include <global.h>	24	#include <global.h>
25	#include <spells.h>	25	#include <spells.h>
26	#include <object.h>	26	#include <object.h>
…		…
36	*/	36	*/
37	object *	37	object *
38	find_random_spell_in_ob (object ob, const char skill)	38	find_random_spell_in_ob (object ob, const char skill)
39	{	39	{
40	int k = 0, s;	40	int k = 0, s;
41	object *tmp;
42		41
43	for (tmp = ob->inv; tmp; tmp = tmp->below)	42	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
44	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	43	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
45	k++;	44	k++;
46		45
47	/* No spells, no need to progess further */	46	/* No spells, no need to progess further */
48	if (!k)	47	if (!k)
49	return NULL;	48	return NULL;
50		49
51	s = RANDOM () % k;	50	s = RANDOM () % k;
52		51
53	for (tmp = ob->inv; tmp; tmp = tmp->below)	52	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
54	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	53	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
55	{
56	if (!s)	54	if (!s)
57	return tmp;	55	return tmp;
58	else	56	else
59	s--;	57	s--;
60	}	58
61	/* Should never get here, but just in case */	59	/* Should never get here, but just in case */
62	return NULL;	60	return 0;
63	}	61	}
64		62
65	/* Relatively simple function that gets used a lot.	63	/* Relatively simple function that gets used a lot.
66	* Basically, it sets up the skill pointer for the spell being	64	* Basically, it sets up the skill pointer for the spell being
67	* cast. If op is really casting the spell, then the skill	65	* cast. If op is really casting the spell, then the skill
…		…
77	dest->skill = spob->skill;	75	dest->skill = spob->skill;
78	else	76	else
79	dest->skill = caster->skill;	77	dest->skill = caster->skill;
80	}	78	}
81		79
82	/* init_spells: This should really be called check_spells, as that
83	* is what it does. It goes through the spells looking for any
84	* obvious errors. This was most useful in debugging when re-doing
85	* all the spells to catch simple errors. To use it all the time
86	* will result in it spitting out messages that aren't really errors.
87	*/
88	void
89	init_spells (void)
90	{
91	#ifdef SPELL_DEBUG
92	static int init_spells_done = 0;
93	int i;
94	archetype *at;
95
96	if (init_spells_done)
97	return;
98	LOG (llevDebug, "Checking spells...\n");
99
100	for_all_archetypes (at)
101	{
102	if (at->type == SPELL)
103	{
104	if (at->skill)
105	{
106	for (i = 1; i < NUM_SKILLS; i++)
107	if (!strcmp (skill_names[i], at->skill))
108	break;
109	if (i == NUM_SKILLS)
110	{
111	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->skill);
112	}
113	}
114	/* other_arch is already checked for in the loader */
115	}
116	}
117
118	i = 0;
119	while (spell_mapping[i])
120	{
121	if (!archetype::find (spell_mapping[i]))
122	{
123	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
124	}
125	i++;
126	}
127	LOG (llevDebug, "Checking spells completed.\n");
128	#endif
129	}
130
131	/* Dumps all the spells - now also dumps skill associated with the spell.
132	* not sure what this would be used for, as the data seems pretty
133	* minimal, but easy enough to keep around.
134	*/
135	void
136	dump_spells ()
137	{
138	for_all_archetypes (at)
139	if (at->type == SPELL)
140	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->object::name,
141	&at->archname, at->other_arch ? &at->other_arch->archname : "<nil>", &at->skill, at->level);
142	}
143
144	/* pretty basic function - basically just takes	80	/* pretty basic function - basically just takes
145	* an object, sets the x,y, and calls insert_ob_in_map	81	* an object, sets the x,y, and calls insert_ob_in_map
146	*/	82	*/
147	void	83	void
148	spell_effect (object spob, int x, int y, maptile map, object *originator)	84	spell_effect (object spob, int x, int y, maptile map, object *originator)
149	{	85	{
150	if (spob->other_arch)	86	if (spob->other_arch)
151	map->insert (arch_to_object (spob->other_arch), x, y, originator);	87	map->insert (arch_to_object (spob->other_arch), x, y, originator);
		88	}
		89
		90	static int
		91	attuned_bonus (object caster, object spell, int level)
		92	{
		93	// compute the attuned/repelled bonus
		94	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
		95	// repell has no such quarrels
		96	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
		97	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
152	}	98	}
153		99
154	/*	100	/*
155	* This function takes a caster and spell and presents the	101	* This function takes a caster and spell and presents the
156	* effective level the caster needs to be to cast the spell.	102	* effective level the caster needs to be to cast the spell.
…		…
162	* Returns modified level.	108	* Returns modified level.
163	*/	109	*/
164	int	110	int
165	min_casting_level (object caster, object spell)	111	min_casting_level (object caster, object spell)
166	{	112	{
167	int new_level;
168
169	if (caster->path_denied & spell->path_attuned)	113	if (caster->path_denied & spell->path_attuned)
170	return 1;	114	return 500;
171		115
172	new_level = spell->level	116	return max (1, spell->level + attuned_bonus (caster, spell, spell->level));
173	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)
174	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
175
176	return max (1, new_level);
177	}	117	}
178		118
179	/* This function returns the effective level the spell	119	/* This function returns the effective level the spell
180	* is being cast at.	120	* is being cast at.
181	* Note that I changed the repelled/attuned bonus to 2 from 5.
182	* This is because the new code compares casting_level against
183	* min_caster_level, so the difference is effectively 4
184	*/	121	*/
185	int	122	int
186	caster_level (object caster, object spell)	123	casting_level (object caster, object spell)
187	{	124	{
188	int level = caster->level;	125	int level = caster->level;
189
190	/* If this is a player, try to find the matching skill */
191	if (caster->type == PLAYER && spell->skill)
192	for (int i = 0; i < NUM_SKILLS; i++)
193	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
194	{
195	level = caster->contr->last_skill_ob[i]->level;
196	break;
197	}
198		126
199	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	127	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
200	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	128	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
201	{	129	{
202	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	130	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
203	int sk_level = skill ? skill->level : 1;	131	int sk_level = skill ? skill->level : 1;
204		132
205	level = MIN (level, sk_level + level / 10 + 1);	133	level = min (level, sk_level + level / 10 + 1);
206	}	134	}
		135	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		136	if (object *skill = caster->contr->find_skill (spell->skill))
		137	level = skill->level;
207		138
208	/* Got valid caster level. Now adjust for attunement */	139	int bonus = attuned_bonus (caster, spell, level);
209	level += caster->path_repelled & spell->path_attuned ? -2 : 0;	140
210	level += caster->path_attuned & spell->path_attuned ? +2 : 0;	141	level += bonus;
		142
		143	// now scale the effective level from the startinglevel..100 range to 1..100
		144	if (level < 100)
		145	level = lerp (level, (int)spell->level, 100, 1, 100);
211		146
212	/* Always make this at least 1. If this is zero, we get divide by zero	147	/* Always make this at least 1. If this is zero, we get divide by zero
213	* errors in various places.	148	* errors in various places.
214	*/	149	*/
215	return max (level, 1);	150	return max (level, 1);
…		…
224	* caster is what is casting the spell, can be op.	159	* caster is what is casting the spell, can be op.
225	* spell is the spell object.	160	* spell is the spell object.
226	* Note that it is now possible for a spell to cost both grace and	161	* Note that it is now possible for a spell to cost both grace and
227	* mana. In that case, we return which ever value is higher.	162	* mana. In that case, we return which ever value is higher.
228	*/	163	*/
229
230	sint16	164	sint16
231	SP_level_spellpoint_cost (object caster, object spell, int flags)	165	SP_level_spellpoint_cost (object caster, object spell, int flags)
232	{	166	{
233	int sp, grace, level = caster_level (caster, spell);	167	int sp, grace, level = casting_level (caster, spell);
234		168
235	if (settings.spellpoint_level_depend == TRUE)	169	if (settings.spellpoint_level_depend == TRUE)
236	{	170	{
237	if (spell->stats.sp && spell->stats.maxsp)	171	if (spell->stats.sp && spell->stats.maxsp)
238	{	172	{
…		…
259	else	193	else
260	{	194	{
261	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	195	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
262	if (spell->stats.sp && !sp)	196	if (spell->stats.sp && !sp)
263	sp = 1;	197	sp = 1;
		198
264	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	199	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
265	if (spell->stats.grace && !grace)	200	if (spell->stats.grace && !grace)
266	grace = 1;	201	grace = 1;
267	}	202	}
		203
268	if (flags == SPELL_HIGHEST)	204	if (flags == SPELL_HIGHEST)
269	return MAX (sp, grace);	205	return MAX (sp, grace);
270	else if (flags == SPELL_GRACE)	206	else if (flags == SPELL_GRACE)
271	return grace;	207	return grace;
272	else if (flags == SPELL_MANA)	208	else if (flags == SPELL_MANA)
…		…
276	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	212	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
277	return 0;	213	return 0;
278	}	214	}
279	}	215	}
280		216
		217	/*
		218	* Return the effective casting level of the spell.
		219	* To make spells independent of their starting level, this function
		220	* scales the range spellstartlevel .. 100 into the range 1..100
		221	*/
		222	static int
		223	SP_casting_level (object caster, object spell)
		224	{
		225	return casting_level (caster, spell);
		226	}
281		227
282	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	228	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
283	* spob is the spell we are adjusting.	229	* spob is the spell we are adjusting.
284	*/	230	*/
285	int	231	int
286	SP_level_dam_adjust (object caster, object spob)	232	SP_level_dam_adjust (object caster, object spob)
287	{	233	{
288	int level = caster_level (caster, spob);
289	int adj = level - min_casting_level (caster, spob);
290
291	if (adj < 0)
292	adj = 0;
293	if (spob->dam_modifier)	234	if (!spob->dam_modifier)
294	adj /= spob->dam_modifier;
295	else
296	adj = 0;
297	return adj;	235	return 0;
		236
		237	return SP_casting_level (caster, spob) / spob->dam_modifier;
298	}	238	}
299		239
300	/* Adjust the strength of the spell based on level.	240	/* Adjust the strength of the spell based on level.
301	* This is basically the same as SP_level_dam_adjust above,	241	* This is basically the same as SP_level_dam_adjust above,
302	* but instead looks at the level_modifier value.	242	* but instead looks at the level_modifier value.
303	*/	243	*/
304	int	244	int
305	SP_level_duration_adjust (object caster, object spob)	245	SP_level_duration_adjust (object caster, object spob)
306	{	246	{
307	int level = caster_level (caster, spob);
308	int adj = level - min_casting_level (caster, spob);
309
310	if (adj < 0)
311	adj = 0;
312	if (spob->duration_modifier)	247	if (!spob->duration_modifier)
313	adj /= spob->duration_modifier;
314	else
315	adj = 0;
316
317	return adj;	248	return 0;
		249
		250	return SP_casting_level (caster, spob) / spob->duration_modifier;
318	}	251	}
319		252
320	/* Adjust the strength of the spell based on level.	253	/* Adjust the strength of the spell based on level.
321	* This is basically the same as SP_level_dam_adjust above,	254	* This is basically the same as SP_level_dam_adjust above,
322	* but instead looks at the level_modifier value.	255	* but instead looks at the level_modifier value.
323	*/	256	*/
324	int	257	int
325	SP_level_range_adjust (object caster, object spob)	258	SP_level_range_adjust (object caster, object spob)
326	{	259	{
327	int level = caster_level (caster, spob);
328	int adj = level - min_casting_level (caster, spob);
329
330	if (adj < 0)
331	adj = 0;
332	if (spob->range_modifier)	260	if (!spob->range_modifier)
333	adj /= spob->range_modifier;
334	else
335	adj = 0;
336
337	return adj;	261	return 0;
		262
		263	return SP_casting_level (caster, spob) / spob->range_modifier;
338	}	264	}
339		265
340	/* Checks to see if player knows the spell. If the name is the same	266	/* Checks to see if player knows the spell. If the name is the same
341	* as an existing spell, we presume they know it.	267	* as an existing spell, we presume they know it.
342	* returns 1 if they know the spell, 0 if they don't.	268	* returns 1 if they know the spell, 0 if they don't.
343	*/	269	*/
344	object *	270	object *
345	check_spell_known (object op, const char name)	271	check_spell_known (object op, const char name)
346	{	272	{
347	object *spop;	273	object *spop;
		274	shstr_cmp name_ (name);
348		275
349	for (spop = op->inv; spop; spop = spop->below)	276	for (spop = op->inv; spop; spop = spop->below)
350	if (spop->type == SPELL && !strcmp (spop->name, name))	277	if (spop->type == SPELL && spop->name == name)
351	return spop;	278	return spop;
352		279
353	return NULL;	280	return 0;
354	}	281	}
355
356		282
357	/*	283	/*
358	* Look at object 'op' and see if they know the spell	284	* Look at object 'op' and see if they know the spell
359	* spname. This is pretty close to check_spell_known	285	* spname. This is pretty close to check_spell_known
360	* above, but it uses a looser matching mechanism.	286	* above, but it uses a looser matching mechanism.
361	* returns the matching spell object, or NULL.	287	* returns the matching spell object, or NULL.
362	* If we match multiple spells but don't get an	288	* If we match multiple spells but don't get an
363	* exact match, we also return NULL.	289	* exact match, we also return NULL.
364	*/	290	*/
365
366	object *	291	object *
367	lookup_spell_by_name (object op, const char spname)	292	lookup_spell_by_name (object op, const char spname)
368	{	293	{
369	object spob1 = NULL, spob2 = NULL, *spob;	294	object spob1 = NULL, spob2 = NULL, *spob;
370	int nummatch = 0;	295	int nummatch = 0;
…		…
416	* eg, updated for tiled maps.	341	* eg, updated for tiled maps.
417	*/	342	*/
418	int	343	int
419	reflwall (maptile m, int x, int y, object sp_op)	344	reflwall (maptile m, int x, int y, object sp_op)
420	{	345	{
421	object *op;
422
423	if (OUT_OF_REAL_MAP (m, x, y))	346	if (OUT_OF_REAL_MAP (m, x, y))
424	return 0;	347	return 0;
		348
425	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	349	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
426	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	350	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
427	&& (!QUERY_FLAG (op, FLAG_ALIVE)	351	&& (!QUERY_FLAG (op, FLAG_ALIVE)
428	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	352	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
429	return 1;	353	return 1;
430		354
…		…
475	{	399	{
476	if (!xy_normalise (m, x, y))	400	if (!xy_normalise (m, x, y))
477	return 0;	401	return 0;
478		402
479	mapspace &ms = m->at (x, y);	403	mapspace &ms = m->at (x, y);
		404	ms.update ();
480		405
481	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	406	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
482	return 0;	407	return 0;
483		408
484	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	409	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
…		…
520	/*	445	/*
521	* Combine similar spell effects into one spell effect. Needed for	446	* Combine similar spell effects into one spell effect. Needed for
522	* performance reasons with meteor swarm and the like, but also for	447	* performance reasons with meteor swarm and the like, but also for
523	* playability reasons.	448	* playability reasons.
524	*/	449	*/
525	if (tmp->arch == op->arch	450	if (tmp->arch == op->arch /* no harm if not comparing by name here */
526	&& tmp->type == op->type	451	&& tmp->type == op->type
527	&& tmp->subtype == op->subtype	452	&& tmp->subtype == op->subtype
528	&& tmp->owner == op->owner	453	&& tmp->owner == op->owner
529	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))	454	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
530	{	455	{
…		…
554	* returns 0 on failure, 1 on success.	479	* returns 0 on failure, 1 on success.
555	*/	480	*/
556	int	481	int
557	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	482	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
558	{	483	{
559	object *tmp;
560	int mflags;
561	maptile *m;
562
563	if (spell->other_arch == NULL)	484	if (!spell->other_arch)
564	return 0;	485	return 0;
565		486
566	m = op->map;	487	object *tmp = spell->other_arch->instance ();
567	mflags = get_map_flags (m, &m, x, y, &x, &y);
568	if (mflags & P_OUT_OF_MAP)
569	{
570	return 0;
571	}
572		488
573	tmp = arch_to_object (spell->other_arch);	489	if (!tmp)
574
575	if (tmp == NULL)
576	return 0;	490	return 0;
577
578	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
579	{
580	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
581	tmp->destroy ();
582	return 0;
583	}
584		491
585	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	492	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
586	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	493	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
587	/* code in time.c uses food for some things, duration for others */	494	/* code in time.c uses food for some things, duration for others */
588	tmp->stats.food = tmp->duration;	495	tmp->stats.food = tmp->duration;
589	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	496	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
590	tmp->attacktype = spell->attacktype;	497	tmp->attacktype = spell->attacktype;
591	tmp->x = x;
592	tmp->y = y;
593	tmp->direction = dir;	498	tmp->direction = dir;
594	if (op->owner != NULL)
595	tmp->set_owner (op);	499	tmp->set_owner (op);
596	else
597	tmp->set_owner (op);
598	tmp->level = caster_level (caster, spell);	500	tmp->level = casting_level (caster, spell);
599	set_spell_skill (op, caster, spell, tmp);	501	set_spell_skill (op, caster, spell, tmp);
600		502
601	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	503	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
602	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	504	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
603	{
604	if (!tailor_god_spell (tmp, op))	505	if (!tailor_god_spell (tmp, op))
605	return 0;	506	return 0;
606	}	507
607	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	508	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
608	SET_ANIMATION (tmp, dir);	509	SET_ANIMATION (tmp, dir);
609		510
610	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	511	if ((tmp = op->map->insert (tmp, x, y, op)))
611	move_spell_effect (tmp);	512	move_spell_effect (tmp);
612		513
613	return 1;	514	return 1;
614	}	515	}
615		516
…		…
670	if (!tmp)	571	if (!tmp)
671	tmp = op->ms ().player ();	572	tmp = op->ms ().player ();
672		573
673	return tmp;	574	return tmp;
674	}	575	}
675
676
677		576
678	/* raytrace:	577	/* raytrace:
679	* spell_find_dir(map, x, y, exclude) will search first the center square	578	* spell_find_dir(map, x, y, exclude) will search first the center square
680	* then some close squares in the given map at the given coordinates for	579	* then some close squares in the given map at the given coordinates for
681	* live objects.	580	* live objects.
…		…
684	* monsters/generators only. If not, the spell will hunt players only.	583	* monsters/generators only. If not, the spell will hunt players only.
685	* It returns the direction toward the first/closest live object if it finds	584	* It returns the direction toward the first/closest live object if it finds
686	* any, otherwise -1.	585	* any, otherwise -1.
687	* note that exclude can be NULL, in which case all bets are off.	586	* note that exclude can be NULL, in which case all bets are off.
688	*/	587	*/
689
690	int	588	int
691	spell_find_dir (maptile m, int x, int y, object exclude)	589	spell_find_dir (maptile m, int x, int y, object exclude)
692	{	590	{
693	int i, max = SIZEOFFREE;	591	int i, max = SIZEOFFREE;
694	sint16 nx, ny;	592	sint16 nx, ny;
…		…
774	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	672	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
775		673
776	insert_ob_in_map (head, op->map, op, 0);	674	insert_ob_in_map (head, op->map, op, 0);
777		675
778	/* thought it'd be cool to insert a burnout, too. */	676	/* thought it'd be cool to insert a burnout, too. */
779	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	677	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
780	}	678	}
781	}	679	}
782		680
783	/* peterm: function which summons hostile monsters and	681	/* peterm: function which summons hostile monsters and
784	* places them in nearby squares.	682	* places them in nearby squares.
…		…
1078	* need to have the right skill pointer passed, so we need to	976	* need to have the right skill pointer passed, so we need to
1079	* at least process that code.	977	* at least process that code.
1080	*/	978	*/
1081	if (op->type == PLAYER && op == caster)	979	if (op->type == PLAYER && op == caster)
1082	{	980	{
1083	cast_level = caster_level (caster, spell_ob);
1084
1085	if (spell_ob->skill)	981	if (spell_ob->skill)
1086	{	982	{
1087	skill = find_skill_by_name (op, spell_ob->skill);	983	skill = find_skill_by_name (op, spell_ob->skill);
1088		984
1089	if (!skill)	985	if (!skill)
1090	{	986	{
1091	op->failmsg (format ("You need the skill %s to cast %s!", &spell_ob->skill, &spell_ob->name));	987	op->failmsg (format ("You need the skill %s to cast %s! "
		988	"H<You either need to learn the skill via a skill scroll "
		989	"or you need to wear a talisman or holy symbol.>",
		990	&spell_ob->skill, &spell_ob->name));
1092	return 0;	991	return 0;
1093	}	992	}
1094		993
1095	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	994	const char *msg = "";
		995
		996	int caster_level = skill->level;
		997
		998	if (op->path_attuned & spell_ob->path_attuned)
1096	{	999	{
		1000	caster_level += min (cast_level * 2, ATTUNE_REPELL);
		1001	msg = " (attuned)";
		1002	}
		1003
		1004	if (op->path_repelled & spell_ob->path_attuned)
		1005	{
		1006	caster_level = ATTUNE_REPELL; // negative is ok
		1007	msg = " (repelled)";
		1008	}
		1009
		1010	if (spell_ob->level > caster_level)
		1011	{
1097	op->failmsg ("You lack enough skill to cast that spell!");	1012	op->failmsg (format ("You lack enough skill to cast that spell! "
		1013	"H<Your effective cast level is %d%s, but level %d is required.>",
		1014	caster_level, msg, spell_ob->level));
		1015	if (!op->is_wiz ())
1098	return 0;	1016	return 0;
1099	}	1017	}
1100	}	1018	}
1101		1019
1102	/* If the caster is the wiz, they don't ever fail, and don't have	1020	/* If the caster is the wiz, they don't ever fail, and don't have
1103	* to have sufficient grace/mana.	1021	* to have sufficient grace/mana.
…		…
1278	case SP_SMITE:	1196	case SP_SMITE:
1279	success = cast_smite_spell (op, caster, dir, spell_ob);	1197	success = cast_smite_spell (op, caster, dir, spell_ob);
1280	break;	1198	break;
1281		1199
1282	case SP_MAGIC_MISSILE:	1200	case SP_MAGIC_MISSILE:
1283	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1201	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1284	break;	1202	break;
1285		1203
1286	case SP_SUMMON_GOLEM:	1204	case SP_SUMMON_GOLEM:
1287	success = summon_golem (op, caster, dir, spell_ob);	1205	success = summon_golem (op, caster, dir, spell_ob);
1288	break;	1206	break;
…		…
1399	{	1317	{
1400	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));	1318	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1401	success = 0;	1319	success = 0;
1402	}	1320	}
1403	else	1321	else
1404	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1322	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1405	break;	1323	break;
1406		1324
1407	case SP_SWARM:	1325	case SP_SWARM:
1408	success = fire_swarm (op, caster, spell_ob, dir);	1326	success = fire_swarm (op, caster, spell_ob, dir);
1409	break;	1327	break;
…		…
1535	check_bullet (op);	1453	check_bullet (op);
1536	return;	1454	return;
1537	}	1455	}
1538	}	1456	}
1539		1457
1540	/* This is called by move_apply. Basically, if someone	1458	/* This is called by move_apply. Basically, if someone
1541	* moves onto a spell effect and the walk_on or fly_on flags	1459	* moves onto a spell effect and the walk_on or fly_on flags
1542	* are set, this is called. This should only be called for	1460	* are set, this is called. This should only be called for
1543	* objects of the appropraite type.	1461	* objects of the appropriate type.
1544	*/	1462	*/
1545	void	1463	void
1546	apply_spell_effect (object spell, object victim)	1464	apply_spell_effect (object spell, object victim)
1547	{	1465	{
1548	switch (spell->subtype)	1466	switch (spell->subtype)

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.61 by root, Sat Sep 8 07:24:31 2007 UTC vs. Revision 1.80 by root, Mon Sep 29 08:25:02 2008 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.61 by root, Sat Sep 8 07:24:31 2007 UTC vs.
Revision 1.80 by root, Mon Sep 29 08:25:02 2008 UTC