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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.24 by root, Wed Dec 20 09:14:22 2006 UTC vs.
Revision 1.86 by root, Tue Sep 30 10:49:58 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 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 authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23
24		23
25	#include <global.h>	24	#include <global.h>
26	#include <spells.h>	25	#include <spells.h>
27	#include <object.h>	26	#include <object.h>
28	#include <errno.h>	27	#include <errno.h>
29	#ifndef __CEXTRACT__
30	# include <sproto.h>	28	#include <sproto.h>
31	#endif
32	#include <sounds.h>	29	#include <sounds.h>
33		30
34	extern char *spell_mapping[];	31	extern char *spell_mapping[];
35		32
36	/* This returns a random spell from 'ob'. If skill is set, then	33	/* This returns a random spell from 'ob'. If skill is set, then
39	*/	36	*/
40	object *	37	object *
41	find_random_spell_in_ob (object ob, const char skill)	38	find_random_spell_in_ob (object ob, const char skill)
42	{	39	{
43	int k = 0, s;	40	int k = 0, s;
44	object *tmp;
45		41
46	for (tmp = ob->inv; tmp; tmp = tmp->below)	42	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
47	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	43	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
48	k++;	44	k++;
49		45
50	/* No spells, no need to progess further */	46	/* No spells, no need to progess further */
51	if (!k)	47	if (!k)
52	return NULL;	48	return NULL;
53		49
54	s = RANDOM () % k;	50	s = RANDOM () % k;
55		51
56	for (tmp = ob->inv; tmp; tmp = tmp->below)	52	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
57	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	53	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
58	{
59	if (!s)	54	if (!s)
60	return tmp;	55	return tmp;
61	else	56	else
62	s--;	57	s--;
63	}	58
64	/* Should never get here, but just in case */	59	/* Should never get here, but just in case */
65	return NULL;	60	return 0;
66	}	61	}
67		62
68	/* Relatively simple function that gets used a lot.	63	/* Relatively simple function that gets used a lot.
69	* Basically, it sets up the skill pointer for the spell being	64	* Basically, it sets up the skill pointer for the spell being
70	* cast. If op is really casting the spell, then the skill	65	* cast. If op is really casting the spell, then the skill
…		…
80	dest->skill = spob->skill;	75	dest->skill = spob->skill;
81	else	76	else
82	dest->skill = caster->skill;	77	dest->skill = caster->skill;
83	}	78	}
84		79
85	/* init_spells: This should really be called check_spells, as that
86	* is what it does. It goes through the spells looking for any
87	* obvious errors. This was most useful in debugging when re-doing
88	* all the spells to catch simple errors. To use it all the time
89	* will result in it spitting out messages that aren't really errors.
90	*/
91	void
92	init_spells (void)
93	{
94	#ifdef SPELL_DEBUG
95	static int init_spells_done = 0;
96	int i;
97	archetype *at;
98
99	if (init_spells_done)
100	return;
101	LOG (llevDebug, "Checking spells...\n");
102
103	for (at = first_archetype; at; at = at->next)
104	{
105	if (at->clone.type == SPELL)
106	{
107	if (at->clone.skill)
108	{
109	for (i = 1; i < NUM_SKILLS; i++)
110	if (!strcmp (skill_names[i], at->clone.skill))
111	break;
112	if (i == NUM_SKILLS)
113	{
114	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
115	}
116	}
117	/* other_arch is already checked for in the loader */
118	}
119	}
120
121	i = 0;
122	while (spell_mapping[i])
123	{
124	if (!archetype::find (spell_mapping[i]))
125	{
126	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
127	}
128	i++;
129	}
130	LOG (llevDebug, "Checking spells completed.\n");
131	#endif
132	}
133
134	/* Dumps all the spells - now also dumps skill associated with the spell.
135	* not sure what this would be used for, as the data seems pretty
136	* minimal, but easy enough to keep around.
137	*/
138	void
139	dump_spells (void)
140	{
141	archetype *at;
142
143	for (at = first_archetype; at; at = at->next)
144	{
145	if (at->clone.type == SPELL)
146	{
147	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
148	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
149	}
150	}
151	}
152
153	/* pretty basic function - basically just takes	80	/* pretty basic function - basically just takes
154	* 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
155	*/	82	*/
156
157	void	83	void
158	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)
159	{	85	{
160
161	if (spob->other_arch != NULL)	86	if (spob->other_arch)
162	{	87	map->insert (arch_to_object (spob->other_arch), x, y, originator);
163	object *effect = arch_to_object (spob->other_arch);
164
165	effect->x = x;
166	effect->y = y;
167
168	insert_ob_in_map (effect, map, originator, 0);
169	}
170	}	88	}
171		89
172	/*	90	static int
173	* This function takes a caster and spell and presents the	91	attuned_bonus (object caster, object spell, int level)
174	* effective level the caster needs to be to cast the spell.
175	* basically, it just adjusts the spell->level with attuned/repelled
176	* spellpaths. Was called path_level_mod
177	*
178	* caster is person casting hte spell.
179	* spell is the spell object.
180	* Returns modified level.
181	*/
182	int
183	min_casting_level (object caster, object spell)
184	{	92	{
185	int new_level;	93	// compute the attuned/repelled bonus
186		94	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
187	if (caster->path_denied & spell->path_attuned)	95	// repell has no such quarrels
188	return 1;	96	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
189		97	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
190	new_level = spell->level
191	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
192
193	return (new_level < 1) ? 1 : new_level;
194	}	98	}
195
196		99
197	/* This function returns the effective level the spell	100	/* This function returns the effective level the spell
198	* is being cast at.	101	* is being cast at.
199	* Note that I changed the repelled/attuned bonus to 2 from 5.
200	* This is because the new code compares casting_level against
201	* min_caster_level, so the difference is effectively 4
202	*/	102	*/
203
204	int	103	int
205	caster_level (object caster, object spell)	104	casting_level (object caster, object spell)
206	{	105	{
207	int level = caster->level;	106	int level = caster->level;
208
209	/* If this is a player, try to find the matching skill */
210	if (caster->type == PLAYER && spell->skill)
211	for (int i = 0; i < NUM_SKILLS; i++)
212	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
213	{
214	level = caster->contr->last_skill_ob[i]->level;
215	break;
216	}
217		107
218	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	108	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
219	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	109	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
220	{	110	{
221	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	111	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
222	int sk_level = skill ? skill->level : 1;	112	int sk_level = skill ? skill->level : 1;
223		113
224	level = MIN (level, sk_level + level / 10 + 1);	114	level = min (level, sk_level + level / 10 + 1);
225	}	115	}
		116	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		117	if (object *skill = caster->contr->find_skill (spell->skill))
		118	level = skill->level;
226		119
227	/* Got valid caster level. Now adjust for attunement */	120	int bonus = attuned_bonus (caster, spell, level);
228	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	121
		122	level += bonus;
		123
		124	// now scale the effective level from the startinglevel..100 range to 1..100
		125	if (level < 100)
		126	level = lerp (level, (int)spell->level, 100, 1, 100);
229		127
230	/* Always make this at least 1. If this is zero, we get divide by zero	128	/* Always make this at least 1. If this is zero, we get divide by zero
231	* errors in various places.	129	* errors in various places.
232	*/	130	*/
233	if (level < 1)
234	level = 1;
235
236	return level;	131	return max (level, 1);
237	}	132	}
238		133
239	/* The following function scales the spellpoint cost of	134	/* The following function scales the spellpoint cost of
240	* a spell by it's increased effectiveness. Some of the	135	* a spell by it's increased effectiveness. Some of the
241	* lower level spells become incredibly vicious at high	136	* lower level spells become incredibly vicious at high
…		…
245	* caster is what is casting the spell, can be op.	140	* caster is what is casting the spell, can be op.
246	* spell is the spell object.	141	* spell is the spell object.
247	* Note that it is now possible for a spell to cost both grace and	142	* Note that it is now possible for a spell to cost both grace and
248	* mana. In that case, we return which ever value is higher.	143	* mana. In that case, we return which ever value is higher.
249	*/	144	*/
250
251	sint16	145	sint16
252	SP_level_spellpoint_cost (object caster, object spell, int flags)	146	SP_level_spellpoint_cost (object caster, object spell, int flags)
253	{	147	{
254	int sp, grace, level = caster_level (caster, spell);	148	int sp, grace, level = casting_level (caster, spell);
255		149
256	if (settings.spellpoint_level_depend == TRUE)	150	if (settings.spellpoint_level_depend == TRUE)
257	{	151	{
258	if (spell->stats.sp && spell->stats.maxsp)	152	if (spell->stats.sp && spell->stats.maxsp)
259	{	153	{
…		…
280	else	174	else
281	{	175	{
282	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	176	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
283	if (spell->stats.sp && !sp)	177	if (spell->stats.sp && !sp)
284	sp = 1;	178	sp = 1;
		179
285	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	180	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
286	if (spell->stats.grace && !grace)	181	if (spell->stats.grace && !grace)
287	grace = 1;	182	grace = 1;
288	}	183	}
		184
289	if (flags == SPELL_HIGHEST)	185	if (flags == SPELL_HIGHEST)
290	return MAX (sp, grace);	186	return MAX (sp, grace);
291	else if (flags == SPELL_GRACE)	187	else if (flags == SPELL_GRACE)
292	return grace;	188	return grace;
293	else if (flags == SPELL_MANA)	189	else if (flags == SPELL_MANA)
…		…
297	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	193	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
298	return 0;	194	return 0;
299	}	195	}
300	}	196	}
301		197
		198	/*
		199	* Return the effective casting level of the spell.
		200	* To make spells independent of their starting level, this function
		201	* scales the range spellstartlevel .. 100 into the range 1..100
		202	*/
		203	static int
		204	SP_casting_level (object caster, object spell)
		205	{
		206	return casting_level (caster, spell);
		207	}
302		208
303	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	209	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
304	* spob is the spell we are adjusting.	210	* spob is the spell we are adjusting.
305	*/	211	*/
306	int	212	int
307	SP_level_dam_adjust (object caster, object spob)	213	SP_level_dam_adjust (object caster, object spob)
308	{	214	{
309	int level = caster_level (caster, spob);
310	int adj = level - min_casting_level (caster, spob);
311
312	if (adj < 0)
313	adj = 0;
314	if (spob->dam_modifier)	215	if (!spob->dam_modifier)
315	adj /= spob->dam_modifier;
316	else
317	adj = 0;
318	return adj;	216	return 0;
		217
		218	return SP_casting_level (caster, spob) / spob->dam_modifier;
319	}	219	}
320		220
321	/* Adjust the strength of the spell based on level.	221	/* Adjust the strength of the spell based on level.
322	* This is basically the same as SP_level_dam_adjust above,	222	* This is basically the same as SP_level_dam_adjust above,
323	* but instead looks at the level_modifier value.	223	* but instead looks at the level_modifier value.
324	*/	224	*/
325	int	225	int
326	SP_level_duration_adjust (object caster, object spob)	226	SP_level_duration_adjust (object caster, object spob)
327	{	227	{
328	int level = caster_level (caster, spob);
329	int adj = level - min_casting_level (caster, spob);
330
331	if (adj < 0)
332	adj = 0;
333	if (spob->duration_modifier)	228	if (!spob->duration_modifier)
334	adj /= spob->duration_modifier;
335	else
336	adj = 0;
337
338	return adj;	229	return 0;
		230
		231	return SP_casting_level (caster, spob) / spob->duration_modifier;
339	}	232	}
340		233
341	/* Adjust the strength of the spell based on level.	234	/* Adjust the strength of the spell based on level.
342	* This is basically the same as SP_level_dam_adjust above,	235	* This is basically the same as SP_level_dam_adjust above,
343	* but instead looks at the level_modifier value.	236	* but instead looks at the level_modifier value.
344	*/	237	*/
345	int	238	int
346	SP_level_range_adjust (object caster, object spob)	239	SP_level_range_adjust (object caster, object spob)
347	{	240	{
348	int level = caster_level (caster, spob);
349	int adj = level - min_casting_level (caster, spob);
350
351	if (adj < 0)
352	adj = 0;
353	if (spob->range_modifier)	241	if (!spob->range_modifier)
354	adj /= spob->range_modifier;
355	else
356	adj = 0;
357
358	return adj;	242	return 0;
		243
		244	return SP_casting_level (caster, spob) / spob->range_modifier;
359	}	245	}
360		246
361	/* Checks to see if player knows the spell. If the name is the same	247	/* Checks to see if player knows the spell. If the name is the same
362	* as an existing spell, we presume they know it.	248	* as an existing spell, we presume they know it.
363	* returns 1 if they know the spell, 0 if they don't.	249	* returns 1 if they know the spell, 0 if they don't.
364	*/	250	*/
365	object *	251	object *
366	check_spell_known (object op, const char name)	252	check_spell_known (object op, const char name)
367	{	253	{
368	object *spop;	254	object *spop;
		255	shstr_cmp name_ (name);
369		256
370	for (spop = op->inv; spop; spop = spop->below)	257	for (spop = op->inv; spop; spop = spop->below)
371	if (spop->type == SPELL && !strcmp (spop->name, name))	258	if (spop->type == SPELL && spop->name == name)
372	return spop;	259	return spop;
373		260
374	return NULL;	261	return 0;
375	}	262	}
376
377		263
378	/*	264	/*
379	* Look at object 'op' and see if they know the spell	265	* Look at object 'op' and see if they know the spell
380	* spname. This is pretty close to check_spell_known	266	* spname. This is pretty close to check_spell_known
381	* above, but it uses a looser matching mechanism.	267	* above, but it uses a looser matching mechanism.
382	* returns the matching spell object, or NULL.	268	* returns the matching spell object, or NULL.
383	* If we match multiple spells but don't get an	269	* If we match multiple spells but don't get an
384	* exact match, we also return NULL.	270	* exact match, we also return NULL.
385	*/	271	*/
386
387	object *	272	object *
388	lookup_spell_by_name (object op, const char spname)	273	lookup_spell_by_name (object op, const char spname)
389	{	274	{
390	object spob1 = NULL, spob2 = NULL, *spob;	275	object spob1 = NULL, spob2 = NULL, *spob;
391	int nummatch = 0;	276	int nummatch = 0;
…		…
437	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
438	*/	323	*/
439	int	324	int
440	reflwall (maptile m, int x, int y, object sp_op)	325	reflwall (maptile m, int x, int y, object sp_op)
441	{	326	{
442	object *op;
443
444	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
445	return 0;	328	return 0;
		329
446	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	330	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
447	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
448	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!QUERY_FLAG (op, FLAG_ALIVE)
449	\|\| sp_op->type == LIGHTNING // XXX: elmex: why is LIGHTNING special cased here?
450	// most spells use subtypes for bolts today...
451	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
452	return 1;	334	return 1;
453		335
454	return 0;	336	return 0;
455	}	337	}
…		…
473	{	355	{
474	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	356	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
475	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	357	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
476	dir = 0;	358	dir = 0;
477	}	359	}
478	new_op->x = op->x + freearr_x[dir];	360
479	new_op->y = op->y + freearr_y[dir];	361	SET_FLAG (new_op, FLAG_IDENTIFIED);
480	if (dir == 0)	362	op->map->insert (new_op,
481	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
482	else	364	op,
483	insert_ob_in_map (new_op, op->map, op, 0);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
		366
484	return dir;	367	return dir;
485	}	368	}
486		369
487	/* Returns true if it is ok to put spell *op on the space/may provided.	370	/* Returns true if it is ok to put spell *op on the space/may provided.
488	* immune_stop is basically the attacktype of the spell (why	371	* immune_stop is basically the attacktype of the spell (why
…		…
490	* has the AT_MAGIC bit set, and there is a counterwall	373	* has the AT_MAGIC bit set, and there is a counterwall
491	* on the space, the object doesn't get placed. if immune stop	374	* on the space, the object doesn't get placed. if immune stop
492	* does not have AT_MAGIC, then counterwalls do not effect the spell.	375	* does not have AT_MAGIC, then counterwalls do not effect the spell.
493	*	376	*
494	*/	377	*/
495
496	int	378	int
497	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)	379	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
498	{	380	{
499	object *tmp;	381	if (!xy_normalise (m, x, y))
500	int mflags;
501	maptile *mp;
502
503	mp = m;
504	mflags = get_map_flags (m, &mp, x, y, &x, &y);
505
506	if (mflags & P_OUT_OF_MAP)
507	return 0;	382	return 0;
508		383
509	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	384	mapspace &ms = m->at (x, y);
		385	ms.update ();
		386
		387	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
510	return 0;	388	return 0;
511		389
512	for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above)	390	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
513	{	391	{
514	/* If there is a counterspell on the space, and this	392	/* If there is a counterspell on the space, and this
515	* object is using magic, don't progress. I believe we could	393	* object is using magic, don't progress. I believe we could
516	* leave this out and let in progress, and other areas of the code	394	* leave this out and let in progress, and other areas of the code
517	* will then remove it, but that would seem to to use more	395	* will then remove it, but that would seem to to use more
518	* resources, and may not work as well if a player is standing	396	* resources, and may not work as well if a player is standing
519	* on top of a counterwall spell (may hit the player before being	397	* on top of a counterwall spell (may hit the player before being
520	* removed.) On the other hand, it may be more dramatic for the	398	* removed.) On the other hand, it may be more dramatic for the
521	* spell to actually hit the counterwall and be sucked up.	399	* spell to actually hit the counterwall and be sucked up.
522	*/	400	*/
523	if ((tmp->attacktype & AT_COUNTERSPELL) &&	401	if ((tmp->attacktype & AT_COUNTERSPELL)
524	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	402	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
525	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	403	&& (tmp->type != PLAYER)
		404	&& (tmp->type != WEAPON)
		405	&& (tmp->type != BOW)
		406	&& (tmp->type != ARROW)
		407	&& (tmp->type != GOLEM)
		408	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		409	// we special case floor here because there
		410	// are sometimes spell effect floors
		411	// which are used to inflict damage
		412	// (and those shouldn't go away from
		413	// sanctuary) see also: permanent lava
		414	&& (immune_stop & AT_MAGIC))
526	return 0;	415	return 0;
527		416
528	/* This is to prevent 'out of control' spells. Basically, this	417	/* This is to prevent 'out of control' spells. Basically, this
529	* limits one spell effect per space per spell. This is definately	418	* limits one spell effect per space per spell. This is definately
530	* needed for performance reasons, and just for playability I believe.	419	* needed for performance reasons, and just for playability I believe.
…		…
537	/*	426	/*
538	* Combine similar spell effects into one spell effect. Needed for	427	* Combine similar spell effects into one spell effect. Needed for
539	* performance reasons with meteor swarm and the like, but also for	428	* performance reasons with meteor swarm and the like, but also for
540	* playability reasons.	429	* playability reasons.
541	*/	430	*/
542	if (tmp->arch == op->arch	431	if (tmp->arch == op->arch /* no harm if not comparing by name here */
543	&& tmp->type == op->type	432	&& tmp->type == op->type
544	&& tmp->subtype == op->subtype	433	&& tmp->subtype == op->subtype
		434	&& tmp->owner == op->owner
545	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))	435	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
546	{	436	{
547	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	437	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);
548	tmp->range = MAX (tmp->range, op->range);	438	tmp->range = MAX (tmp->range, op->range);
549	tmp->duration = MAX (tmp->duration, op->duration);	439	tmp->duration = MAX (tmp->duration, op->duration);
550	return 0;	440	return 0;
…		…
552		442
553	/* Perhaps we should also put checks in for no magic and unholy	443	/* Perhaps we should also put checks in for no magic and unholy
554	* ground to prevent it from moving along?	444	* ground to prevent it from moving along?
555	*/	445	*/
556	}	446	}
		447
557	/* If it passes the above tests, it must be OK */	448	/* If it passes the above tests, it must be OK */
558	return 1;	449	return 1;
559	}	450	}
560		451
561	/* fire_arch_from_position: fires an archetype.	452	/* fire_arch_from_position: fires an archetype.
…		…
566	* dir: direction to fire in.	457	* dir: direction to fire in.
567	* spell: spell that is being fired. It uses other_arch for the archetype	458	* spell: spell that is being fired. It uses other_arch for the archetype
568	* to fire.	459	* to fire.
569	* returns 0 on failure, 1 on success.	460	* returns 0 on failure, 1 on success.
570	*/	461	*/
571
572	int	462	int
573	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	463	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
574	{	464	{
575	object *tmp;
576	int mflags;
577	maptile *m;
578
579	if (spell->other_arch == NULL)	465	if (!spell->other_arch)
580	return 0;	466	return 0;
581		467
582	m = op->map;	468	object *tmp = spell->other_arch->instance ();
583	mflags = get_map_flags (m, &m, x, y, &x, &y);
584	if (mflags & P_OUT_OF_MAP)
585	{
586	return 0;
587	}
588		469
589	tmp = arch_to_object (spell->other_arch);	470	if (!tmp)
590
591	if (tmp == NULL)
592	return 0;	471	return 0;
593
594	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
595	{
596	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
597	tmp->destroy ();
598	return 0;
599	}
600		472
601	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	473	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
602	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	474	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
603	/* code in time.c uses food for some things, duration for others */	475	/* code in time.c uses food for some things, duration for others */
604	tmp->stats.food = tmp->duration;	476	tmp->stats.food = tmp->duration;
605	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	477	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
606	tmp->attacktype = spell->attacktype;	478	tmp->attacktype = spell->attacktype;
607	tmp->x = x;
608	tmp->y = y;
609	tmp->direction = dir;	479	tmp->direction = dir;
610	if (op->owner != NULL)
611	tmp->set_owner (op);	480	tmp->set_owner (op);
612	else
613	tmp->set_owner (op);
614	tmp->level = caster_level (caster, spell);	481	tmp->level = casting_level (caster, spell);
615	set_spell_skill (op, caster, spell, tmp);	482	set_spell_skill (op, caster, spell, tmp);
616		483
617	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	484	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
618	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	485	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
619	{
620	if (!tailor_god_spell (tmp, op))	486	if (!tailor_god_spell (tmp, op))
621	return 0;	487	return 0;
622	}	488
623	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	489	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
624	SET_ANIMATION (tmp, dir);	490	SET_ANIMATION (tmp, dir);
625		491
626	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	492	if ((tmp = op->map->insert (tmp, x, y, op)))
627	return 1;
628
629	move_spell_effect (tmp);	493	move_spell_effect (tmp);
630		494
631	return 1;	495	return 1;
632	}	496	}
633
634
635		497
636	/*****************************************************************************	498	/*****************************************************************************
637	*	499	*
638	* Code related to rods - perhaps better located in another file?	500	* Code related to rods - perhaps better located in another file?
639	*	501	*
640	****************************************************************************/	502	****************************************************************************/
641
642	void	503	void
643	regenerate_rod (object *rod)	504	regenerate_rod (object *rod)
644	{	505	{
645	if (rod->stats.hp < rod->stats.maxhp)	506	if (rod->stats.hp < rod->stats.maxhp)
646	{	507	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
647	rod->stats.hp += 1 + rod->stats.maxhp / 10;
648
649	if (rod->stats.hp > rod->stats.maxhp)
650	rod->stats.hp = rod->stats.maxhp;
651	}
652	}	508	}
653
654		509
655	void	510	void
656	drain_rod_charge (object *rod)	511	drain_rod_charge (object *rod)
657	{	512	{
658	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	513	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
659	}	514	}
660
661
662
663		515
664	/* this function is commonly used to find a friendly target for	516	/* this function is commonly used to find a friendly target for
665	* spells such as heal or protection or armour	517	* spells such as heal or protection or armour
666	* op is what is looking for the target (which can be a player),	518	* op is what is looking for the target (which can be a player),
667	* dir is the direction we are looking in. Return object found, or	519	* dir is the direction we are looking in. Return object found, or
668	* NULL if no good object.	520	* NULL if no good object.
669	*/	521	*/
670
671	object *	522	object *
672	find_target_for_friendly_spell (object *op, int dir)	523	find_target_for_friendly_spell (object *op, int dir)
673	{	524	{
674	object *tmp;	525	object *tmp;
675	maptile *m;
676	sint16 x, y;
677	int mflags;
678		526
679	/* I don't really get this block - if op isn't a player or rune,	527	/* I don't really get this block - if op isn't a player or rune,
680	* we then make the owner of this object the target.	528	* we then make the owner of this object the target.
681	* The owner could very well be no where near op.	529	* The owner could very well be no where near op.
682	*/	530	*/
…		…
689	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	537	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))
690	tmp = op;	538	tmp = op;
691	}	539	}
692	else	540	else
693	{	541	{
694	m = op->map;	542	maptile *m = op->map;
695	x = op->x + freearr_x[dir];	543	sint16 x = op->x + freearr_x[dir];
696	y = op->y + freearr_y[dir];	544	sint16 y = op->y + freearr_y[dir];
697
698	mflags = get_map_flags (m, &m, x, y, &x, &y);
699
700	if (mflags & P_OUT_OF_MAP)
701	tmp = NULL;
702	else
703	{	545
704	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	546	tmp = xy_normalise (m, x, y)
705	if (tmp->type == PLAYER)	547	? m->at (x, y).player ()
706	break;	548	: 0;
707	}
708	}	549	}
		550
709	/* didn't find a player there, look in current square for a player */	551	/* didn't find a player there, look in current square for a player */
710	if (tmp == NULL)	552	if (!tmp)
711	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	553	tmp = op->ms ().player ();
712	{
713	if (tmp->type == PLAYER)
714	break;
715	}
716		554
717	return tmp;	555	return tmp;
718	}	556	}
719
720
721		557
722	/* raytrace:	558	/* raytrace:
723	* spell_find_dir(map, x, y, exclude) will search first the center square	559	* spell_find_dir(map, x, y, exclude) will search first the center square
724	* then some close squares in the given map at the given coordinates for	560	* then some close squares in the given map at the given coordinates for
725	* live objects.	561	* live objects.
…		…
728	* monsters/generators only. If not, the spell will hunt players only.	564	* monsters/generators only. If not, the spell will hunt players only.
729	* It returns the direction toward the first/closest live object if it finds	565	* It returns the direction toward the first/closest live object if it finds
730	* any, otherwise -1.	566	* any, otherwise -1.
731	* note that exclude can be NULL, in which case all bets are off.	567	* note that exclude can be NULL, in which case all bets are off.
732	*/	568	*/
733
734	int	569	int
735	spell_find_dir (maptile m, int x, int y, object exclude)	570	spell_find_dir (maptile m, int x, int y, object exclude)
736	{	571	{
737	int i, max = SIZEOFFREE;	572	int i, max = SIZEOFFREE;
738	sint16 nx, ny;	573	sint16 nx, ny;
…		…
765	return freedir[i];	600	return freedir[i];
766	}	601	}
767	return -1; /* flag for "keep going the way you were" */	602	return -1; /* flag for "keep going the way you were" */
768	}	603	}
769		604
770
771
772	/* put_a_monster: puts a monster named monstername near by	605	/* put_a_monster: puts a monster named monstername near by
773	* op. This creates the treasures for the monsters, and	606	* op. This creates the treasures for the monsters, and
774	* also deals with multipart monsters properly.	607	* also deals with multipart monsters properly.
775	*/	608	*/
776
777	void	609	void
778	put_a_monster (object op, const char monstername)	610	put_a_monster (object op, const char monstername)
779	{	611	{
780	object tmp, head = NULL, *prev = NULL;	612	object tmp, head = NULL, *prev = NULL;
781	archetype *at;	613	archetype *at;
…		…
788		620
789	/* find a free square nearby	621	/* find a free square nearby
790	* first we check the closest square for free squares	622	* first we check the closest square for free squares
791	*/	623	*/
792		624
793	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	625	dir = find_first_free_spot (at, op->map, op->x, op->y);
794	if (dir != -1)	626	if (dir != -1)
795	{	627	{
796	/* This is basically grabbed for generate monster. Fixed 971225 to	628	/* This is basically grabbed for generate monster. Fixed 971225 to
797	* insert multipart monsters properly	629	* insert multipart monsters properly
798	*/	630	*/
		631	//TODO: use expand_tail + ...
799	while (at != NULL)	632	while (at != NULL)
800	{	633	{
801	tmp = arch_to_object (at);	634	tmp = arch_to_object (at);
802	tmp->x = op->x + freearr_x[dir] + at->clone.x;	635	tmp->x = op->x + freearr_x[dir] + at->x;
803	tmp->y = op->y + freearr_y[dir] + at->clone.y;	636	tmp->y = op->y + freearr_y[dir] + at->y;
804	tmp->map = op->map;	637	tmp->map = op->map;
805	if (head)	638	if (head)
806	{	639	{
807	tmp->head = head;	640	tmp->head = head;
808	prev->more = tmp;	641	prev->more = tmp;
809	}	642	}
		643
810	if (!head)	644	if (!head)
811	head = tmp;	645	head = tmp;
		646
812	prev = tmp;	647	prev = tmp;
		648
813	at = at->more;	649	at = (archetype *)at->more;
814	}	650	}
815		651
816	if (head->randomitems)	652	if (head->randomitems)
817	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	653	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
818		654
819	insert_ob_in_map (head, op->map, op, 0);	655	insert_ob_in_map (head, op->map, op, 0);
820		656
821	/* thought it'd be cool to insert a burnout, too. */	657	/* thought it'd be cool to insert a burnout, too. */
822	tmp = get_archetype ("burnout");	658	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
823	tmp->map = op->map;
824	tmp->x = op->x + freearr_x[dir];
825	tmp->y = op->y + freearr_y[dir];
826	insert_ob_in_map (tmp, op->map, op, 0);
827	}	659	}
828	}	660	}
829		661
830	/* peterm: function which summons hostile monsters and	662	/* peterm: function which summons hostile monsters and
831	* places them in nearby squares.	663	* places them in nearby squares.
…		…
858	{	690	{
859	int attacktype;	691	int attacktype;
860	int face;	692	int face;
861	} ATTACKS[22] =	693	} ATTACKS[22] =
862	{	694	{
863	{
864	AT_PHYSICAL, 0},	695	{ AT_PHYSICAL, 0},
865	{
866	AT_PHYSICAL, 0}, /face = explosion /	696	{ AT_PHYSICAL, 0}, /face = explosion /
867	{
868	AT_PHYSICAL, 0},	697	{ AT_PHYSICAL, 0},
869	{
870	AT_MAGIC, 1},	698	{ AT_MAGIC, 1},
871	{
872	AT_MAGIC, 1}, /* face = last-burnout */	699	{ AT_MAGIC, 1}, /* face = last-burnout */
873	{
874	AT_MAGIC, 1},	700	{ AT_MAGIC, 1},
875	{
876	AT_FIRE, 2},	701	{ AT_FIRE, 2},
877	{
878	AT_FIRE, 2}, /* face = fire.... */	702	{ AT_FIRE, 2}, /* face = fire.... */
879	{
880	AT_FIRE, 2},	703	{ AT_FIRE, 2},
881	{
882	AT_ELECTRICITY, 3},	704	{ AT_ELECTRICITY, 3},
883	{
884	AT_ELECTRICITY, 3}, /* ball_lightning */	705	{ AT_ELECTRICITY, 3}, /* ball_lightning */
885	{
886	AT_ELECTRICITY, 3},	706	{ AT_ELECTRICITY, 3},
887	{
888	AT_COLD, 4},	707	{ AT_COLD, 4},
889	{
890	AT_COLD, 4}, /* face=icestorm */	708	{ AT_COLD, 4}, /* face=icestorm */
891	{
892	AT_COLD, 4},	709	{ AT_COLD, 4},
893	{
894	AT_CONFUSION, 5},	710	{ AT_CONFUSION, 5},
895	{
896	AT_POISON, 7},	711	{ AT_POISON, 7},
897	{
898	AT_POISON, 7}, /* face = acid sphere. generator */	712	{ AT_POISON, 7}, /* face = acid sphere. generator */
899	{
900	AT_POISON, 7}, /* poisoncloud face */	713	{ AT_POISON, 7}, /* poisoncloud face */
901	{
902	AT_SLOW, 8},	714	{ AT_SLOW, 8},
903	{
904	AT_PARALYZE, 9},	715	{ AT_PARALYZE, 9},
905	{
906	AT_FEAR, 10}};	716	{ AT_FEAR, 10},
907		717	};
908
909		718
910	/* shuffle_attack: peterm	719	/* shuffle_attack: peterm
911	* This routine shuffles the attack of op to one of the	720	* This routine shuffles the attack of op to one of the
912	* ones in the list. It does this at random. It also	721	* ones in the list. It does this at random. It also
913	* chooses a face appropriate to the attack that is	722	* chooses a face appropriate to the attack that is
…		…
1031	else	840	else
1032	{	841	{
1033	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	842	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1034	tmp = get_archetype (LOOSE_MANA);	843	tmp = get_archetype (LOOSE_MANA);
1035	tmp->level = skill->level;	844	tmp->level = skill->level;
1036	tmp->x = op->x;
1037	tmp->y = op->y;
1038		845
1039	/* increase the area of destruction a little for more powerful spells */	846	/* increase the area of destruction a little for more powerful spells */
1040	tmp->range += isqrt (power);	847	tmp->range += isqrt (power);
1041		848
1042	if (power > 25)	849	if (power > 25)
1043	tmp->stats.dam = 25 + isqrt (power);	850	tmp->stats.dam = 25 + isqrt (power);
1044	else	851	else
1045	tmp->stats.dam = power; /* nasty recoils! */	852	tmp->stats.dam = power; /* nasty recoils! */
1046		853
1047	tmp->stats.maxhp = tmp->count;	854	tmp->stats.maxhp = tmp->count;
1048	insert_ob_in_map (tmp, op->map, NULL, 0);	855
		856	tmp->insert_at (op);
1049	}	857	}
1050	}	858	}
1051	}	859	}
1052		860
1053	int	861	int
1054	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	862	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1055	{	863	{
1056	int success;	864	int success;
1057	player *pl;
1058	object *spell;	865	object *spell;
1059		866
1060	if (!spell_ob->other_arch)	867	if (!spell_ob->other_arch)
1061	{	868	{
1062	LOG (llevError, "cast_party_spell: empty other arch\n");	869	LOG (llevError, "cast_party_spell: empty other arch\n");
1063	return 0;	870	return 0;
1064	}	871	}
		872
1065	spell = arch_to_object (spell_ob->other_arch);	873	spell = arch_to_object (spell_ob->other_arch);
1066		874
1067	/* Always cast spell on caster */	875	/* Always cast spell on caster */
1068	success = cast_spell (op, caster, dir, spell, stringarg);	876	success = cast_spell (op, caster, dir, spell, stringarg);
1069		877
1070	if (caster->contr->party == NULL)	878	if (caster->contr->party == NULL)
1071	{	879	{
1072	spell->remove ();	880	spell->remove ();
1073	return success;	881	return success;
1074	}	882	}
1075	for (pl = first_player; pl != NULL; pl = pl->next)	883
		884	for_all_players (pl)
1076	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	885	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1077	{
1078	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	886	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1079	}	887
1080	spell->remove ();	888	spell->remove ();
1081	return success;	889	return success;
1082	}	890	}
1083		891
1084	/* This is where the main dispatch when someone casts a spell.	892	/* This is where the main dispatch when someone casts a spell.
…		…
1106	*	914	*
1107	* if it is a player casting the spell (op->type == PLAYER, op == caster),	915	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1108	* this function will decrease the mana/grace appropriately. For other	916	* this function will decrease the mana/grace appropriately. For other
1109	* objects, the caller should do what it considers appropriate.	917	* objects, the caller should do what it considers appropriate.
1110	*/	918	*/
1111
1112	int	919	int
1113	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	920	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1114	{	921	{
1115	const char *godname;	922	const char *godname;
1116	int success = 0, mflags, cast_level = 0, old_shoottype;	923	int success = 0;
1117	object *skill = NULL;	924	object *skill = NULL;
1118
1119	old_shoottype = op->contr ? op->contr->shoottype : 0;
1120		925
1121	if (!spell_ob)	926	if (!spell_ob)
1122	{	927	{
1123	LOG (llevError, "cast_spell: null spell object passed\n");	928	LOG (llevError, "cast_spell: null spell object passed\n");
1124	return 0;	929	return 0;
…		…
1152	* need to have the right skill pointer passed, so we need to	957	* need to have the right skill pointer passed, so we need to
1153	* at least process that code.	958	* at least process that code.
1154	*/	959	*/
1155	if (op->type == PLAYER && op == caster)	960	if (op->type == PLAYER && op == caster)
1156	{	961	{
1157	cast_level = caster_level (caster, spell_ob);
1158	if (spell_ob->skill)	962	if (spell_ob->skill)
1159	{	963	{
1160	skill = find_skill_by_name (op, spell_ob->skill);	964	skill = find_skill_by_name (op, spell_ob->skill);
		965
1161	if (!skill)	966	if (!skill)
1162	{	967	{
1163	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	968	op->failmsg (format ("You need the skill %s to cast %s! "
		969	"H<You either need to learn the skill via a skill scroll "
		970	"or you need to wear a talisman or holy symbol.>",
		971	&spell_ob->skill, &spell_ob->name));
1164	return 0;	972	return 0;
1165	}	973	}
1166	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	974
		975	const char *msg = "";
		976
		977	int caster_level = skill->level;
		978
		979	if (op->path_attuned & spell_ob->path_attuned)
1167	{	980	{
1168	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	981	caster_level += min (caster_level, ATTUNE_REPELL);
		982	msg = " (attuned)";
		983	}
		984
		985	if (op->path_repelled & spell_ob->path_attuned)
		986	{
		987	caster_level -= ATTUNE_REPELL; // negative is ok
		988	msg = " (repelled)";
		989	}
		990
		991	if (spell_ob->level > caster_level)
		992	{
		993	op->failmsg (format ("You lack enough skill to cast that spell! "
		994	"H<Your effective cast level is %d%s, but level %d is required.>",
		995	caster_level, msg, spell_ob->level));
		996	if (!op->is_wiz ())
1169	return 0;	997	return 0;
1170	}	998	}
1171	}	999	}
		1000
1172	/* If the caster is the wiz, they don't ever fail, and don't have	1001	/* If the caster is the wiz, they don't ever fail, and don't have
1173	* to have sufficient grace/mana.	1002	* to have sufficient grace/mana.
1174	*/	1003	*/
1175	if (!QUERY_FLAG (op, FLAG_WIZ))	1004	if (!QUERY_FLAG (op, FLAG_WIZ))
1176	{	1005	{
1177	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1006	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1178	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1007	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1179	{	1008	{
1180	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1009	op->failmsg ("You don't have enough mana!");
1181	return 0;	1010	return 0;
1182	}	1011	}
		1012
1183	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1013	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1184	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1014	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1185	{	1015	{
1186	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1016	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1187	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1017	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1188	{
1189	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1018	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1190	}
1191	else	1019	else
1192	{	1020	{
1193	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1021	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1194	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1022	op->failmsg (format ("%s ignores your prayer.", godname));
1195	return 0;	1023	return 0;
1196	}	1024	}
1197	}	1025	}
1198		1026
1199	/* player/monster is trying to cast the spell. might fumble it */	1027	/* player/monster is trying to cast the spell. might fumble it */
1200	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1028	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1201	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1029	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1202	{	1030	{
1203	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1031	op->contr->play_sound (sound_find ("fumble_spell"));
1204	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1032	op->failmsg ("You fumble the prayer.");
1205	if (settings.casting_time == TRUE)	1033
1206	{
1207	op->casting_time = -1;
1208	}
1209	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1034	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1210	return 0;	1035	return 0;
1211	}	1036	}
1212	else if (spell_ob->stats.sp)	1037	else if (spell_ob->stats.sp)
1213	{	1038	{
1214	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1039	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1215		1040
1216	if (failure < 0)	1041	if (failure < 0)
1217	{	1042	{
1218	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1043	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1219	if (settings.spell_failure_effects == TRUE)	1044	if (settings.spell_failure_effects == TRUE)
1220	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1045	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1221	op->contr->shoottype = (rangetype) old_shoottype;	1046
1222	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1047	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1223	return 0;	1048	return 0;
1224	}	1049	}
1225	}	1050	}
1226	}	1051	}
1227	}	1052	}
1228		1053
1229	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1054	int mflags = op->ms ().flags ();
1230		1055
1231	/* See if we can cast a spell here. If the caster and op are	1056	/* See if we can cast a spell here. If the caster and op are
1232	* not alive, then this would mean that the mapmaker put the	1057	* not alive, then this would mean that the mapmaker put the
1233	* objects on the space - presume that they know what they are	1058	* objects on the space - presume that they know what they are
1234	* doing.	1059	* doing.
1235	*/	1060	*/
1236		1061
1237	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1062	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1238	{	1063	{
1239	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1064	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1240	return 0;	1065	return 0;
1241	}	1066	}
1242		1067
1243	if ((spell_ob->type == SPELL)	1068	if ((spell_ob->type == SPELL)
1244	&& (caster->type != POTION)	1069	&& (caster->type != POTION)
…		…
1249	{	1074	{
1250	if (op->type != PLAYER)	1075	if (op->type != PLAYER)
1251	return 0;	1076	return 0;
1252		1077
1253	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1078	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1254	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1079	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1255	else	1080	else if (object *item = op->contr->ranged_ob)
1256	switch (op->contr->shoottype)
1257	{	1081	{
1258	case range_magic:	1082	if (item->type == SPELL)
1259	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1083	op->failmsg ("Something blocks your spellcasting.");
1260	break;	1084	else if (item->type == SCROLL)
1261	case range_misc:	1085	op->failmsg ("Something blocks the magic of your scroll.");
1262	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1263	break;
1264	case range_golem:
1265	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1266	break;
1267	default:
1268	break;
1269	}
1270	return 0;
1271	}
1272
1273	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1274	{
1275	if (op->casting_time == -1)
1276	{ /* begin the casting */
1277	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1278	op->spell = spell_ob;
1279	/* put the stringarg into the object struct so that when the
1280	* spell is actually cast, it knows about the stringarg.
1281	* necessary for the invoke command spells.
1282	*/
1283	if (stringarg)
1284	{
1285	op->spellarg = strdup (stringarg);
1286	}
1287	else	1086	else
1288	op->spellarg = NULL;	1087	op->failmsg ("Something blocks the magic of your item.");
1289	return 0;
1290	}
1291	else if (op->casting_time != 0)
1292	{
1293	if (op->type == PLAYER)
1294	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1295	return 0;
1296	}	1088	}
1297	else	1089	else
1298	{ /* casting_time == 0 */	1090	op->failmsg ("Something blocks the spell!");
1299	op->casting_time = -1;	1091
1300	spell_ob = op->spell;	1092	return 0;
1301	stringarg = op->spellarg;
1302	}
1303	}
1304	else
1305	{	1093	}
		1094
1306	/* Take into account how long it takes to cast the spell.	1095	/* Take into account how long it takes to cast the spell.
1307	* if the player is casting it, then we use the time in	1096	* if the player is casting it, then we use the time in
1308	* the spell object. If it is a spell object, have it	1097	* the spell object. If it is a spell object, have it
1309	* take two ticks. Things that cast spells on the players	1098	* take two ticks. Things that cast spells on the players
1310	* behalf (eg, altars, and whatever else) shouldn't cost	1099	* behalf (eg, altars, and whatever else) shouldn't cost
1311	* the player any time.	1100	* the player any time.
1312	* Ignore casting time for firewalls	1101	* Ignore casting time for firewalls
		1102	*/
		1103	if (caster == op && caster->type != FIREWALL)
		1104	{
		1105	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1106	/* Other portions of the code may also decrement the speed of the player, so
		1107	* put a lower limit so that the player isn't stuck here too long
1313	*/	1108	*/
1314	if (caster == op && caster->type != FIREWALL)
1315	{
1316	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1317	/* Other portions of the code may also decrement the speed of the player, so
1318	* put a lower limit so that the player isn't stuck here too long
1319	*/
1320	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1109	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1321	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1110	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1322	}	1111	}
1323	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1112	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1324	{
1325	op->speed_left -= 2 * FABS (op->speed);	1113	op->speed_left -= 2 * FABS (op->speed);
1326	}
1327	}
1328		1114
1329	if (op->type == PLAYER && op == caster)	1115	if (op->type == PLAYER && op == caster)
1330	{	1116	{
1331	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1117	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1332	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1118	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1339	if (op != caster && !skill && caster->skill)	1125	if (op != caster && !skill && caster->skill)
1340	{	1126	{
1341	skill = find_skill_by_name (op, caster->skill);	1127	skill = find_skill_by_name (op, caster->skill);
1342	if (!skill)	1128	if (!skill)
1343	{	1129	{
1344	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1130	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1345	return 0;	1131	return 0;
1346	}	1132	}
		1133
1347	change_skill (op, skill, 0); /* needed for proper exp credit */	1134	op->change_skill (skill); /* needed for proper exp credit */
1348	}	1135	}
		1136
		1137	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
		1138	return RESULT_INT (0);
1349		1139
1350	switch (spell_ob->subtype)	1140	switch (spell_ob->subtype)
1351	{	1141	{
1352	/* The order of case statements is same as the order they show up	1142	/* The order of case statements is same as the order they show up
1353	* in in spells.h.	1143	* in in spells.h.
1354	*/	1144	*/
1355	case SP_RAISE_DEAD:	1145	case SP_RAISE_DEAD:
1356	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1146	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);
1357	break;	1147	break;
1358		1148
1359	case SP_RUNE:	1149	case SP_RUNE:
…		…
1387	case SP_SMITE:	1177	case SP_SMITE:
1388	success = cast_smite_spell (op, caster, dir, spell_ob);	1178	success = cast_smite_spell (op, caster, dir, spell_ob);
1389	break;	1179	break;
1390		1180
1391	case SP_MAGIC_MISSILE:	1181	case SP_MAGIC_MISSILE:
1392	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1182	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1393	break;	1183	break;
1394		1184
1395	case SP_SUMMON_GOLEM:	1185	case SP_SUMMON_GOLEM:
1396	success = summon_golem (op, caster, dir, spell_ob);	1186	success = summon_golem (op, caster, dir, spell_ob);
1397	old_shoottype = range_golem;
1398	break;	1187	break;
1399		1188
1400	case SP_DIMENSION_DOOR:	1189	case SP_DIMENSION_DOOR:
1401	/* dimension door needs the actual caster, because that is what is	1190	/* dimension door needs the actual caster, because that is what is
1402	* moved.	1191	* moved.
…		…
1475	#ifdef NO_POLYMORPH	1264	#ifdef NO_POLYMORPH
1476	/* Not great, but at least provide feedback so if players do have	1265	/* Not great, but at least provide feedback so if players do have
1477	* polymorph (ie, find it as a preset item or left over from before	1266	* polymorph (ie, find it as a preset item or left over from before
1478	* it was disabled), they get some feedback.	1267	* it was disabled), they get some feedback.
1479	*/	1268	*/
1480	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1269	op->failmsg ("The spell fizzles!");
1481	success = 0;	1270	success = 0;
1482	#else	1271	#else
1483	success = cast_polymorph (op, caster, spell_ob, dir);	1272	success = cast_polymorph (op, caster, spell_ob, dir);
1484	#endif	1273	#endif
1485	break;	1274	break;
…		…
1505	break;	1294	break;
1506		1295
1507	case SP_MOVING_BALL:	1296	case SP_MOVING_BALL:
1508	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1297	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1509	{	1298	{
1510	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1299	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1511	success = 0;	1300	success = 0;
1512	}	1301	}
1513	else	1302	else
1514	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1303	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1515	break;	1304	break;
1516		1305
1517	case SP_SWARM:	1306	case SP_SWARM:
1518	success = fire_swarm (op, caster, spell_ob, dir);	1307	success = fire_swarm (op, caster, spell_ob, dir);
1519	break;	1308	break;
…		…
1535	success = cast_consecrate (op, caster, spell_ob);	1324	success = cast_consecrate (op, caster, spell_ob);
1536	break;	1325	break;
1537		1326
1538	case SP_ANIMATE_WEAPON:	1327	case SP_ANIMATE_WEAPON:
1539	success = animate_weapon (op, caster, spell_ob, dir);	1328	success = animate_weapon (op, caster, spell_ob, dir);
1540	old_shoottype = range_golem;
1541	break;	1329	break;
1542		1330
1543	case SP_LIGHT:	1331	case SP_LIGHT:
1544	success = cast_light (op, caster, spell_ob, dir);	1332	success = cast_light (op, caster, spell_ob, dir);
1545	break;	1333	break;
…		…
1558		1346
1559	case SP_AURA:	1347	case SP_AURA:
1560	success = create_aura (op, caster, spell_ob);	1348	success = create_aura (op, caster, spell_ob);
1561	break;	1349	break;
1562		1350
1563	case SP_TOWN_PORTAL:
1564	success = cast_create_town_portal (op, caster, spell_ob, dir);
1565	break;
1566
1567	case SP_PARTY_SPELL:	1351	case SP_PARTY_SPELL:
1568	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1352	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);
1569	break;	1353	break;
1570		1354
1571	default:	1355	default:
1572	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1573	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1356	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1574	}
1575
1576	/* FIXME - we need some better sound suppport */
1577	// yes, for example, augment map info with the spell effect
1578	// so clients can calculate the sounds themselves
1579	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1580
1581	/* free the spell arg */
1582	if (settings.casting_time == TRUE && stringarg)
1583	{	1357	}
1584	free (stringarg);	1358
1585	stringarg = NULL;	1359	op->play_sound (
1586	}	1360	success
1587	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1361	? spell_ob->sound
1588	* to something like use_magic_item, but you really want to be able to fire	1362	? spell_ob->sound
1589	* it again.	1363	: sound_find ("spell_success")
1590	*/	1364	: sound_find ("fumble_spell")
1591	if (op->contr)	1365	);
1592	op->contr->shoottype = (rangetype) old_shoottype;
1593		1366
1594	return success;	1367	return success;
1595	}	1368	}
1596		1369
1597
1598	/* This is called from time.c/process_object(). That function	1370	/* This is called from time.c/process_object(). That function
1599	* calls this for any SPELL_EFFECT type objects. This function	1371	* calls this for any SPELL_EFFECT type objects. This function
1600	* then dispatches them to the appropriate specific routines.	1372	* then dispatches them to the appropriate specific routines.
1601	*/	1373	*/
1602	void	1374	void
1603	move_spell_effect (object *op)	1375	move_spell_effect (object *op)
1604	{	1376	{
…		…
1662	check_bullet (op);	1434	check_bullet (op);
1663	return;	1435	return;
1664	}	1436	}
1665	}	1437	}
1666		1438
1667	/* This is called by move_apply. Basically, if someone	1439	/* This is called by move_apply. Basically, if someone
1668	* moves onto a spell effect and the walk_on or fly_on flags	1440	* moves onto a spell effect and the walk_on or fly_on flags
1669	* are set, this is called. This should only be called for	1441	* are set, this is called. This should only be called for
1670	* objects of the appropraite type.	1442	* objects of the appropriate type.
1671	*/	1443	*/
1672	void	1444	void
1673	apply_spell_effect (object spell, object victim)	1445	apply_spell_effect (object spell, object victim)
1674	{	1446	{
1675	switch (spell->subtype)	1447	switch (spell->subtype)
…		…
1681		1453
1682	case SP_MAGIC_MISSILE:	1454	case SP_MAGIC_MISSILE:
1683	if (QUERY_FLAG (victim, FLAG_ALIVE))	1455	if (QUERY_FLAG (victim, FLAG_ALIVE))
1684	{	1456	{
1685	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1457	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1686
1687	if (!spell->destroyed ())
1688	spell->destroy ();	1458	spell->destroy ();
1689	}	1459	}
1690	break;	1460	break;
1691		1461
1692	case SP_MOVING_BALL:	1462	case SP_MOVING_BALL:
1693	if (QUERY_FLAG (victim, FLAG_ALIVE))	1463	if (QUERY_FLAG (victim, FLAG_ALIVE))
1694	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1464	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1695	else if (victim->material \|\| victim->materialname)	1465	else if (victim->materialname)
1696	save_throw_object (victim, spell->attacktype, spell);	1466	save_throw_object (victim, spell->attacktype, spell);
		1467
1697	break;	1468	break;
1698	}	1469	}
1699	}	1470	}
		1471

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.24 by root, Wed Dec 20 09:14:22 2006 UTC vs. Revision 1.86 by root, Tue Sep 30 10:49:58 2008 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.24 by root, Wed Dec 20 09:14:22 2006 UTC vs.
Revision 1.86 by root, Tue Sep 30 10:49:58 2008 UTC