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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.18 by root, Fri Nov 17 15:48:07 2006 UTC vs.
Revision 1.73 by root, Sat May 17 14:11:13 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
80	dest->skill = spob->skill;	77	dest->skill = spob->skill;
81	else	78	else
82	dest->skill = caster->skill;	79	dest->skill = caster->skill;
83	}	80	}
84		81
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	82	/* pretty basic function - basically just takes
154	* an object, sets the x,y, and calls insert_ob_in_map	83	* an object, sets the x,y, and calls insert_ob_in_map
155	*/	84	*/
156
157	void	85	void
158	spell_effect (object spob, int x, int y, maptile map, object *originator)	86	spell_effect (object spob, int x, int y, maptile map, object *originator)
159	{	87	{
160
161	if (spob->other_arch != NULL)	88	if (spob->other_arch)
162	{	89	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	}	90	}
171		91
172	/*	92	/*
173	* This function takes a caster and spell and presents the	93	* This function takes a caster and spell and presents the
174	* effective level the caster needs to be to cast the spell.	94	* effective level the caster needs to be to cast the spell.
175	* basically, it just adjusts the spell->level with attuned/repelled	95	* basically, it just adjusts the spell->level with attuned/repelled
176	* spellpaths. Was called path_level_mod	96	* spellpaths. Was called path_level_mod.
177	*	97	*
178	* caster is person casting hte spell.	98	* caster is person casting the spell.
179	* spell is the spell object.	99	* spell is the spell object.
180	* Returns modified level.	100	* Returns modified level.
181	*/	101	*/
182	int	102	int
183	min_casting_level (object caster, object spell)	103	min_casting_level (object caster, object spell)
184	{	104	{
185	int new_level;
186
187	if (caster->path_denied & spell->path_attuned)	105	if (caster->path_denied & spell->path_attuned)
188	return 1;	106	return 1;
189		107
190	new_level = spell->level	108	int new_level = spell->level
191	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);	109	+ (caster->path_repelled & spell->path_attuned ? +8 : 0)
		110	+ (caster->path_attuned & spell->path_attuned ? -8 : 0);
192		111
193	return (new_level < 1) ? 1 : new_level;	112	return max (1, new_level);
194	}	113	}
195
196		114
197	/* This function returns the effective level the spell	115	/* This function returns the effective level the spell
198	* is being cast at.	116	* is being cast at.
199	* Note that I changed the repelled/attuned bonus to 2 from 5.	117	* Note that I changed the repelled/attuned bonus to 2 from 5.
200	* This is because the new code compares casting_level against	118	* This is because the new code compares casting_level against
201	* min_caster_level, so the difference is effectively 4	119	* min_caster_level, so the difference is effectively 4
202	*/	120	*/
203
204	int	121	int
205	caster_level (object caster, object spell)	122	caster_level (object caster, object spell)
206	{	123	{
207	int level = caster->level;	124	int level = caster->level;
208		125
209	/* If this is a player, try to find the matching skill */	126	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
210	if (caster->type == PLAYER && spell->skill)	127	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
		128	{
		129	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
		130	int sk_level = skill ? skill->level : 1;
		131
		132	level = min (level, sk_level + level / 10 + 1);
		133	}
		134	else if (caster->type == PLAYER && spell->skill) /* If this is a player, try to find the matching skill */
211	for (int i = 0; i < NUM_SKILLS; i++)	135	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)	136	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
213	{	137	{
214	level = caster->contr->last_skill_ob[i]->level;	138	level = caster->contr->last_skill_ob[i]->level;
215	break;	139	break;
216	}	140	}
217		141
218	/* 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)
220	{
221	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
222	int sk_level = skill ? skill->level : 1;
223
224	level = MIN (level, sk_level + level / 10 + 1);
225	}
226
227	/* Got valid caster level. Now adjust for attunement */	142	/* Got valid caster level. Now adjust for attunement */
228	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	143	level += caster->path_repelled & spell->path_attuned ? -8 : 0;
		144	level += caster->path_attuned & spell->path_attuned ? +8 : 0;
229		145
230	/* Always make this at least 1. If this is zero, we get divide by zero	146	/* Always make this at least 1. If this is zero, we get divide by zero
231	* errors in various places.	147	* errors in various places.
232	*/	148	*/
233	if (level < 1)
234	level = 1;
235
236	return level;	149	return max (level, 1);
237	}	150	}
238		151
239	/* The following function scales the spellpoint cost of	152	/* The following function scales the spellpoint cost of
240	* a spell by it's increased effectiveness. Some of the	153	* a spell by it's increased effectiveness. Some of the
241	* lower level spells become incredibly vicious at high	154	* lower level spells become incredibly vicious at high
…		…
280	else	193	else
281	{	194	{
282	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	195	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
283	if (spell->stats.sp && !sp)	196	if (spell->stats.sp && !sp)
284	sp = 1;	197	sp = 1;
		198
285	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	199	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
286	if (spell->stats.grace && !grace)	200	if (spell->stats.grace && !grace)
287	grace = 1;	201	grace = 1;
288	}	202	}
		203
289	if (flags == SPELL_HIGHEST)	204	if (flags == SPELL_HIGHEST)
290	return MAX (sp, grace);	205	return MAX (sp, grace);
291	else if (flags == SPELL_GRACE)	206	else if (flags == SPELL_GRACE)
292	return grace;	207	return grace;
293	else if (flags == SPELL_MANA)	208	else if (flags == SPELL_MANA)
…		…
297	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);
298	return 0;	213	return 0;
299	}	214	}
300	}	215	}
301		216
302
303	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	217	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
304	* spob is the spell we are adjusting.	218	* spob is the spell we are adjusting.
305	*/	219	*/
306	int	220	int
307	SP_level_dam_adjust (object caster, object spob)	221	SP_level_dam_adjust (object caster, object spob)
308	{	222	{
		223	if (!spob->dam_modifier)
		224	return 0;
		225
309	int level = caster_level (caster, spob);	226	int level = caster_level (caster, spob);
310	int adj = level - min_casting_level (caster, spob);	227	return max (0, level - min_casting_level (caster, spob)) / spob->dam_modifier;
311
312	if (adj < 0)
313	adj = 0;
314	if (spob->dam_modifier)
315	adj /= spob->dam_modifier;
316	else
317	adj = 0;
318	return adj;
319	}	228	}
320		229
321	/* Adjust the strength of the spell based on level.	230	/* Adjust the strength of the spell based on level.
322	* This is basically the same as SP_level_dam_adjust above,	231	* This is basically the same as SP_level_dam_adjust above,
323	* but instead looks at the level_modifier value.	232	* but instead looks at the level_modifier value.
324	*/	233	*/
325	int	234	int
326	SP_level_duration_adjust (object caster, object spob)	235	SP_level_duration_adjust (object caster, object spob)
327	{	236	{
		237	if (!spob->duration_modifier)
		238	return 0;
		239
328	int level = caster_level (caster, spob);	240	int level = caster_level (caster, spob);
329	int adj = level - min_casting_level (caster, spob);	241	return max (0, level - min_casting_level (caster, spob)) / spob->duration_modifier;
330
331	if (adj < 0)
332	adj = 0;
333	if (spob->duration_modifier)
334	adj /= spob->duration_modifier;
335	else
336	adj = 0;
337
338	return adj;
339	}	242	}
340		243
341	/* Adjust the strength of the spell based on level.	244	/* Adjust the strength of the spell based on level.
342	* This is basically the same as SP_level_dam_adjust above,	245	* This is basically the same as SP_level_dam_adjust above,
343	* but instead looks at the level_modifier value.	246	* but instead looks at the level_modifier value.
344	*/	247	*/
345	int	248	int
346	SP_level_range_adjust (object caster, object spob)	249	SP_level_range_adjust (object caster, object spob)
347	{	250	{
		251	if (!spob->range_modifier)
		252	return 0;
		253
348	int level = caster_level (caster, spob);	254	int level = caster_level (caster, spob);
349	int adj = level - min_casting_level (caster, spob);	255	return (level - min_casting_level (caster, spob)) / spob->range_modifier;
350
351	if (adj < 0)
352	adj = 0;
353	if (spob->range_modifier)
354	adj /= spob->range_modifier;
355	else
356	adj = 0;
357
358	return adj;
359	}	256	}
360		257
361	/* Checks to see if player knows the spell. If the name is the same	258	/* Checks to see if player knows the spell. If the name is the same
362	* as an existing spell, we presume they know it.	259	* as an existing spell, we presume they know it.
363	* returns 1 if they know the spell, 0 if they don't.	260	* returns 1 if they know the spell, 0 if they don't.
364	*/	261	*/
365	object *	262	object *
366	check_spell_known (object op, const char name)	263	check_spell_known (object op, const char name)
367	{	264	{
368	object *spop;	265	object *spop;
		266	shstr_cmp name_ (name);
369		267
370	for (spop = op->inv; spop; spop = spop->below)	268	for (spop = op->inv; spop; spop = spop->below)
371	if (spop->type == SPELL && !strcmp (spop->name, name))	269	if (spop->type == SPELL && spop->name == name)
372	return spop;	270	return spop;
373		271
374	return NULL;	272	return 0;
375	}	273	}
376		274
377		275
378	/*	276	/*
379	* Look at object 'op' and see if they know the spell	277	* Look at object 'op' and see if they know the spell
…		…
441	{	339	{
442	object *op;	340	object *op;
443		341
444	if (OUT_OF_REAL_MAP (m, x, y))	342	if (OUT_OF_REAL_MAP (m, x, y))
445	return 0;	343	return 0;
446	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)	344	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
447	if (QUERY_FLAG (op, FLAG_REFL_SPELL) && (!QUERY_FLAG (op, FLAG_ALIVE) \|\|	345	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
448	sp_op->type == LIGHTNING \|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	346	&& (!QUERY_FLAG (op, FLAG_ALIVE)
		347	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
449	return 1;	348	return 1;
450		349
451	return 0;	350	return 0;
452	}	351	}
453		352
…		…
470	{	369	{
471	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	370	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
472	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	371	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
473	dir = 0;	372	dir = 0;
474	}	373	}
475	new_op->x = op->x + freearr_x[dir];	374
476	new_op->y = op->y + freearr_y[dir];	375	SET_FLAG (new_op, FLAG_IDENTIFIED);
477	if (dir == 0)	376	op->map->insert (new_op,
478	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	377	op->x + freearr_x[dir], op->y + freearr_y[dir],
479	else	378	op,
480	insert_ob_in_map (new_op, op->map, op, 0);	379	dir ? 0 : INS_BELOW_ORIGINATOR);
		380
481	return dir;	381	return dir;
482	}	382	}
483		383
484	/* Returns true if it is ok to put spell *op on the space/may provided.	384	/* Returns true if it is ok to put spell *op on the space/may provided.
485	* immune_stop is basically the attacktype of the spell (why	385	* immune_stop is basically the attacktype of the spell (why
…		…
487	* has the AT_MAGIC bit set, and there is a counterwall	387	* has the AT_MAGIC bit set, and there is a counterwall
488	* on the space, the object doesn't get placed. if immune stop	388	* on the space, the object doesn't get placed. if immune stop
489	* does not have AT_MAGIC, then counterwalls do not effect the spell.	389	* does not have AT_MAGIC, then counterwalls do not effect the spell.
490	*	390	*
491	*/	391	*/
492
493	int	392	int
494	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)	393	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
495	{	394	{
496	object *tmp;	395	if (!xy_normalise (m, x, y))
497	int mflags;
498	maptile *mp;
499
500	mp = m;
501	mflags = get_map_flags (m, &mp, x, y, &x, &y);
502
503	if (mflags & P_OUT_OF_MAP)
504	return 0;	396	return 0;
505		397
506	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	398	mapspace &ms = m->at (x, y);
		399
		400	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
507	return 0;	401	return 0;
508		402
509	for (tmp = get_map_ob (mp, x, y); tmp != NULL; tmp = tmp->above)	403	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
510	{	404	{
511	/* If there is a counterspell on the space, and this	405	/* If there is a counterspell on the space, and this
512	* object is using magic, don't progress. I believe we could	406	* object is using magic, don't progress. I believe we could
513	* leave this out and let in progress, and other areas of the code	407	* leave this out and let in progress, and other areas of the code
514	* will then remove it, but that would seem to to use more	408	* will then remove it, but that would seem to to use more
515	* resources, and may not work as well if a player is standing	409	* resources, and may not work as well if a player is standing
516	* on top of a counterwall spell (may hit the player before being	410	* on top of a counterwall spell (may hit the player before being
517	* removed.) On the other hand, it may be more dramatic for the	411	* removed.) On the other hand, it may be more dramatic for the
518	* spell to actually hit the counterwall and be sucked up.	412	* spell to actually hit the counterwall and be sucked up.
519	*/	413	*/
520	if ((tmp->attacktype & AT_COUNTERSPELL) &&	414	if ((tmp->attacktype & AT_COUNTERSPELL)
521	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	415	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
522	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	416	&& (tmp->type != PLAYER)
		417	&& (tmp->type != WEAPON)
		418	&& (tmp->type != BOW)
		419	&& (tmp->type != ARROW)
		420	&& (tmp->type != GOLEM)
		421	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		422	// we special case floor here because there
		423	// are sometimes spell effect floors
		424	// which are used to inflict damage
		425	// (and those shouldn't go away from
		426	// sanctuary) see also: permanent lava
		427	&& (immune_stop & AT_MAGIC))
523	return 0;	428	return 0;
524		429
525	/* This is to prevent 'out of control' spells. Basically, this	430	/* This is to prevent 'out of control' spells. Basically, this
526	* limits one spell effect per space per spell. This is definately	431	* limits one spell effect per space per spell. This is definately
527	* needed for performance reasons, and just for playability I believe.	432	* needed for performance reasons, and just for playability I believe.
…		…
534	/*	439	/*
535	* Combine similar spell effects into one spell effect. Needed for	440	* Combine similar spell effects into one spell effect. Needed for
536	* performance reasons with meteor swarm and the like, but also for	441	* performance reasons with meteor swarm and the like, but also for
537	* playability reasons.	442	* playability reasons.
538	*/	443	*/
539	if (tmp->arch == op->arch	444	if (tmp->arch == op->arch /* no harm if not comparing by name here */
540	&& tmp->type == op->type	445	&& tmp->type == op->type
541	&& tmp->subtype == op->subtype	446	&& tmp->subtype == op->subtype
		447	&& tmp->owner == op->owner
542	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))	448	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
543	{	449	{
544	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	450	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);
545	tmp->range = MAX (tmp->range, op->range);	451	tmp->range = MAX (tmp->range, op->range);
546	tmp->duration = MAX (tmp->duration, op->duration);	452	tmp->duration = MAX (tmp->duration, op->duration);
547	return 0;	453	return 0;
…		…
549		455
550	/* Perhaps we should also put checks in for no magic and unholy	456	/* Perhaps we should also put checks in for no magic and unholy
551	* ground to prevent it from moving along?	457	* ground to prevent it from moving along?
552	*/	458	*/
553	}	459	}
		460
554	/* If it passes the above tests, it must be OK */	461	/* If it passes the above tests, it must be OK */
555	return 1;	462	return 1;
556	}	463	}
557		464
558	/* fire_arch_from_position: fires an archetype.	465	/* fire_arch_from_position: fires an archetype.
…		…
563	* dir: direction to fire in.	470	* dir: direction to fire in.
564	* spell: spell that is being fired. It uses other_arch for the archetype	471	* spell: spell that is being fired. It uses other_arch for the archetype
565	* to fire.	472	* to fire.
566	* returns 0 on failure, 1 on success.	473	* returns 0 on failure, 1 on success.
567	*/	474	*/
568
569	int	475	int
570	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	476	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
571	{	477	{
572	object *tmp;
573	int mflags;
574	maptile *m;
575
576	if (spell->other_arch == NULL)	478	if (!spell->other_arch)
577	return 0;	479	return 0;
578		480
579	m = op->map;	481	mapxy pos (op->map, x, y);//TODO, should not pass x, y
580	mflags = get_map_flags (m, &m, x, y, &x, &y);	482
581	if (mflags & P_OUT_OF_MAP)	483	pos.move (dir ? dir : rndm (1, 8));
		484
		485	if (!pos.normalise ())
		486	return 0;
		487
		488	object *tmp = spell->other_arch->instance ();
		489
		490	if (!tmp)
		491	return 0;
		492
		493	if (pos.ms ().blocks (tmp))
582	{	494	{
		495	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast this spell on top of a wall!\n");
		496	tmp->destroy ();
583	return 0;	497	return 0;
584	}	498	}
585
586	tmp = arch_to_object (spell->other_arch);
587
588	if (tmp == NULL)
589	return 0;
590
591	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
592	{
593	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
594	free_object (tmp);
595	return 0;
596	}
597
598
599		499
600	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	500	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
601	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	501	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
602	/* code in time.c uses food for some things, duration for others */	502	/* code in time.c uses food for some things, duration for others */
603	tmp->stats.food = tmp->duration;	503	tmp->stats.food = tmp->duration;
604	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	504	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
605	tmp->attacktype = spell->attacktype;	505	tmp->attacktype = spell->attacktype;
606	tmp->x = x;	506	tmp->x = x;
607	tmp->y = y;	507	tmp->y = y;
608	tmp->direction = dir;	508	tmp->direction = dir;
609	if (get_owner (op) != NULL)	509	tmp->set_owner (op);
610	copy_owner (tmp, op);
611	else
612	set_owner (tmp, op);
613	tmp->level = caster_level (caster, spell);	510	tmp->level = caster_level (caster, spell);
614	set_spell_skill (op, caster, spell, tmp);	511	set_spell_skill (op, caster, spell, tmp);
615		512
616	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	513	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
617	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	514	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
618	{
619	if (!tailor_god_spell (tmp, op))	515	if (!tailor_god_spell (tmp, op))
620	return 0;	516	return 0;
621	}	517
622	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	518	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
623	SET_ANIMATION (tmp, dir);	519	SET_ANIMATION (tmp, dir);
624		520
625	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	521	if ((tmp = op->map->insert (tmp, x, y, op)))
626	return 1;
627
628	move_spell_effect (tmp);	522	move_spell_effect (tmp);
629		523
630	return 1;	524	return 1;
631	}	525	}
632
633
634		526
635	/*****************************************************************************	527	/*****************************************************************************
636	*	528	*
637	* Code related to rods - perhaps better located in another file?	529	* Code related to rods - perhaps better located in another file?
638	*	530	*
639	****************************************************************************/	531	****************************************************************************/
640
641	void	532	void
642	regenerate_rod (object *rod)	533	regenerate_rod (object *rod)
643	{	534	{
644	if (rod->stats.hp < rod->stats.maxhp)	535	if (rod->stats.hp < rod->stats.maxhp)
645	{	536	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
646	rod->stats.hp += 1 + rod->stats.maxhp / 10;
647
648	if (rod->stats.hp > rod->stats.maxhp)
649	rod->stats.hp = rod->stats.maxhp;
650	}
651	}	537	}
652
653		538
654	void	539	void
655	drain_rod_charge (object *rod)	540	drain_rod_charge (object *rod)
656	{	541	{
657	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	542	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
658	}	543	}
659
660
661
662		544
663	/* this function is commonly used to find a friendly target for	545	/* this function is commonly used to find a friendly target for
664	* spells such as heal or protection or armour	546	* spells such as heal or protection or armour
665	* op is what is looking for the target (which can be a player),	547	* op is what is looking for the target (which can be a player),
666	* dir is the direction we are looking in. Return object found, or	548	* dir is the direction we are looking in. Return object found, or
667	* NULL if no good object.	549	* NULL if no good object.
668	*/	550	*/
669
670	object *	551	object *
671	find_target_for_friendly_spell (object *op, int dir)	552	find_target_for_friendly_spell (object *op, int dir)
672	{	553	{
673	object *tmp;	554	object *tmp;
674	maptile *m;
675	sint16 x, y;
676	int mflags;
677		555
678	/* I don't really get this block - if op isn't a player or rune,	556	/* I don't really get this block - if op isn't a player or rune,
679	* we then make the owner of this object the target.	557	* we then make the owner of this object the target.
680	* The owner could very well be no where near op.	558	* The owner could very well be no where near op.
681	*/	559	*/
682	if (op->type != PLAYER && op->type != RUNE)	560	if (op->type != PLAYER && op->type != RUNE)
683	{	561	{
684	tmp = get_owner (op);	562	tmp = op->owner;
685	/* If the owner does not exist, or is not a monster, than apply the spell	563	/* If the owner does not exist, or is not a monster, than apply the spell
686	* to the caster.	564	* to the caster.
687	*/	565	*/
688	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	566	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))
689	tmp = op;	567	tmp = op;
690	}	568	}
691	else	569	else
692	{	570	{
693	m = op->map;	571	maptile *m = op->map;
694	x = op->x + freearr_x[dir];	572	sint16 x = op->x + freearr_x[dir];
695	y = op->y + freearr_y[dir];	573	sint16 y = op->y + freearr_y[dir];
696
697	mflags = get_map_flags (m, &m, x, y, &x, &y);
698
699	if (mflags & P_OUT_OF_MAP)
700	tmp = NULL;
701	else
702	{	574
703	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above)	575	tmp = xy_normalise (m, x, y)
704	if (tmp->type == PLAYER)	576	? m->at (x, y).player ()
705	break;	577	: 0;
706	}
707	}	578	}
		579
708	/* didn't find a player there, look in current square for a player */	580	/* didn't find a player there, look in current square for a player */
709	if (tmp == NULL)	581	if (!tmp)
710	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	582	tmp = op->ms ().player ();
711	{
712	if (tmp->type == PLAYER)
713	break;
714	}
715		583
716	return tmp;	584	return tmp;
717	}	585	}
718
719
720		586
721	/* raytrace:	587	/* raytrace:
722	* spell_find_dir(map, x, y, exclude) will search first the center square	588	* spell_find_dir(map, x, y, exclude) will search first the center square
723	* then some close squares in the given map at the given coordinates for	589	* then some close squares in the given map at the given coordinates for
724	* live objects.	590	* live objects.
…		…
727	* monsters/generators only. If not, the spell will hunt players only.	593	* monsters/generators only. If not, the spell will hunt players only.
728	* It returns the direction toward the first/closest live object if it finds	594	* It returns the direction toward the first/closest live object if it finds
729	* any, otherwise -1.	595	* any, otherwise -1.
730	* note that exclude can be NULL, in which case all bets are off.	596	* note that exclude can be NULL, in which case all bets are off.
731	*/	597	*/
732
733	int	598	int
734	spell_find_dir (maptile m, int x, int y, object exclude)	599	spell_find_dir (maptile m, int x, int y, object exclude)
735	{	600	{
736	int i, max = SIZEOFFREE;	601	int i, max = SIZEOFFREE;
737	sint16 nx, ny;	602	sint16 nx, ny;
…		…
751	mp = m;	616	mp = m;
752	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	617	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
753	if (mflags & (P_OUT_OF_MAP \| P_BLOCKSVIEW))	618	if (mflags & (P_OUT_OF_MAP \| P_BLOCKSVIEW))
754	continue;	619	continue;
755		620
756	tmp = get_map_ob (mp, nx, ny);	621	tmp = GET_MAP_OB (mp, nx, ny);
757		622
758	while (tmp != NULL && (((owner_type == PLAYER &&	623	while (tmp != NULL && (((owner_type == PLAYER &&
759	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) \|\|	624	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) \|\|
760	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))	625	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))
761	tmp = tmp->above;	626	tmp = tmp->above;
…		…
764	return freedir[i];	629	return freedir[i];
765	}	630	}
766	return -1; /* flag for "keep going the way you were" */	631	return -1; /* flag for "keep going the way you were" */
767	}	632	}
768		633
769
770
771	/* put_a_monster: puts a monster named monstername near by	634	/* put_a_monster: puts a monster named monstername near by
772	* op. This creates the treasures for the monsters, and	635	* op. This creates the treasures for the monsters, and
773	* also deals with multipart monsters properly.	636	* also deals with multipart monsters properly.
774	*/	637	*/
775
776	void	638	void
777	put_a_monster (object op, const char monstername)	639	put_a_monster (object op, const char monstername)
778	{	640	{
779	object tmp, head = NULL, *prev = NULL;	641	object tmp, head = NULL, *prev = NULL;
780	archetype *at;	642	archetype *at;
…		…
787		649
788	/* find a free square nearby	650	/* find a free square nearby
789	* first we check the closest square for free squares	651	* first we check the closest square for free squares
790	*/	652	*/
791		653
792	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	654	dir = find_first_free_spot (at, op->map, op->x, op->y);
793	if (dir != -1)	655	if (dir != -1)
794	{	656	{
795	/* This is basically grabbed for generate monster. Fixed 971225 to	657	/* This is basically grabbed for generate monster. Fixed 971225 to
796	* insert multipart monsters properly	658	* insert multipart monsters properly
797	*/	659	*/
		660	//TODO: use expand_tail + ...
798	while (at != NULL)	661	while (at != NULL)
799	{	662	{
800	tmp = arch_to_object (at);	663	tmp = arch_to_object (at);
801	tmp->x = op->x + freearr_x[dir] + at->clone.x;	664	tmp->x = op->x + freearr_x[dir] + at->x;
802	tmp->y = op->y + freearr_y[dir] + at->clone.y;	665	tmp->y = op->y + freearr_y[dir] + at->y;
803	tmp->map = op->map;	666	tmp->map = op->map;
804	if (head)	667	if (head)
805	{	668	{
806	tmp->head = head;	669	tmp->head = head;
807	prev->more = tmp;	670	prev->more = tmp;
808	}	671	}
		672
809	if (!head)	673	if (!head)
810	head = tmp;	674	head = tmp;
		675
811	prev = tmp;	676	prev = tmp;
		677
812	at = at->more;	678	at = (archetype *)at->more;
813	}	679	}
814		680
815	if (head->randomitems)	681	if (head->randomitems)
816	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	682	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
817		683
818	insert_ob_in_map (head, op->map, op, 0);	684	insert_ob_in_map (head, op->map, op, 0);
819		685
820	/* thought it'd be cool to insert a burnout, too. */	686	/* thought it'd be cool to insert a burnout, too. */
821	tmp = get_archetype ("burnout");	687	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
822	tmp->map = op->map;
823	tmp->x = op->x + freearr_x[dir];
824	tmp->y = op->y + freearr_y[dir];
825	insert_ob_in_map (tmp, op->map, op, 0);
826	}	688	}
827	}	689	}
828		690
829	/* peterm: function which summons hostile monsters and	691	/* peterm: function which summons hostile monsters and
830	* places them in nearby squares.	692	* places them in nearby squares.
…		…
857	{	719	{
858	int attacktype;	720	int attacktype;
859	int face;	721	int face;
860	} ATTACKS[22] =	722	} ATTACKS[22] =
861	{	723	{
862	{
863	AT_PHYSICAL, 0},	724	{ AT_PHYSICAL, 0},
864	{
865	AT_PHYSICAL, 0}, /face = explosion /	725	{ AT_PHYSICAL, 0}, /face = explosion /
866	{
867	AT_PHYSICAL, 0},	726	{ AT_PHYSICAL, 0},
868	{
869	AT_MAGIC, 1},	727	{ AT_MAGIC, 1},
870	{
871	AT_MAGIC, 1}, /* face = last-burnout */	728	{ AT_MAGIC, 1}, /* face = last-burnout */
872	{
873	AT_MAGIC, 1},	729	{ AT_MAGIC, 1},
874	{
875	AT_FIRE, 2},	730	{ AT_FIRE, 2},
876	{
877	AT_FIRE, 2}, /* face = fire.... */	731	{ AT_FIRE, 2}, /* face = fire.... */
878	{
879	AT_FIRE, 2},	732	{ AT_FIRE, 2},
880	{
881	AT_ELECTRICITY, 3},	733	{ AT_ELECTRICITY, 3},
882	{
883	AT_ELECTRICITY, 3}, /* ball_lightning */	734	{ AT_ELECTRICITY, 3}, /* ball_lightning */
884	{
885	AT_ELECTRICITY, 3},	735	{ AT_ELECTRICITY, 3},
886	{
887	AT_COLD, 4},	736	{ AT_COLD, 4},
888	{
889	AT_COLD, 4}, /* face=icestorm */	737	{ AT_COLD, 4}, /* face=icestorm */
890	{
891	AT_COLD, 4},	738	{ AT_COLD, 4},
892	{
893	AT_CONFUSION, 5},	739	{ AT_CONFUSION, 5},
894	{
895	AT_POISON, 7},	740	{ AT_POISON, 7},
896	{
897	AT_POISON, 7}, /* face = acid sphere. generator */	741	{ AT_POISON, 7}, /* face = acid sphere. generator */
898	{
899	AT_POISON, 7}, /* poisoncloud face */	742	{ AT_POISON, 7}, /* poisoncloud face */
900	{
901	AT_SLOW, 8},	743	{ AT_SLOW, 8},
902	{
903	AT_PARALYZE, 9},	744	{ AT_PARALYZE, 9},
904	{
905	AT_FEAR, 10}};	745	{ AT_FEAR, 10},
906		746	};
907
908		747
909	/* shuffle_attack: peterm	748	/* shuffle_attack: peterm
910	* This routine shuffles the attack of op to one of the	749	* This routine shuffles the attack of op to one of the
911	* ones in the list. It does this at random. It also	750	* ones in the list. It does this at random. It also
912	* chooses a face appropriate to the attack that is	751	* chooses a face appropriate to the attack that is
…		…
957	if (failure <= -20 && failure > -40) /* wonder */	796	if (failure <= -20 && failure > -40) /* wonder */
958	{	797	{
959	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	798	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);
960	tmp = get_archetype (SPELL_WONDER);	799	tmp = get_archetype (SPELL_WONDER);
961	cast_cone (op, op, 0, tmp);	800	cast_cone (op, op, 0, tmp);
962	free_object (tmp);	801	tmp->destroy ();
963	}	802	}
964		803
965	else if (failure <= -40 && failure > -60) /* confusion */	804	else if (failure <= -40 && failure > -60) /* confusion */
966	{	805	{
967	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	806	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");
…		…
1001	if (failure <= -20 && failure > -40) /* wonder */	840	if (failure <= -20 && failure > -40) /* wonder */
1002	{	841	{
1003	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	842	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");
1004	tmp = get_archetype (SPELL_WONDER);	843	tmp = get_archetype (SPELL_WONDER);
1005	cast_cone (op, op, 0, tmp);	844	cast_cone (op, op, 0, tmp);
1006	free_object (tmp);	845	tmp->destroy ();
1007	}	846	}
1008		847
1009	else if (failure <= -40 && failure > -60) /* confusion */	848	else if (failure <= -40 && failure > -60) /* confusion */
1010	{	849	{
1011	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	850	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");
…		…
1030	else	869	else
1031	{	870	{
1032	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	871	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1033	tmp = get_archetype (LOOSE_MANA);	872	tmp = get_archetype (LOOSE_MANA);
1034	tmp->level = skill->level;	873	tmp->level = skill->level;
1035	tmp->x = op->x;
1036	tmp->y = op->y;
1037		874
1038	/* increase the area of destruction a little for more powerful spells */	875	/* increase the area of destruction a little for more powerful spells */
1039	tmp->range += isqrt (power);	876	tmp->range += isqrt (power);
1040		877
1041	if (power > 25)	878	if (power > 25)
1042	tmp->stats.dam = 25 + isqrt (power);	879	tmp->stats.dam = 25 + isqrt (power);
1043	else	880	else
1044	tmp->stats.dam = power; /* nasty recoils! */	881	tmp->stats.dam = power; /* nasty recoils! */
1045		882
1046	tmp->stats.maxhp = tmp->count;	883	tmp->stats.maxhp = tmp->count;
1047	insert_ob_in_map (tmp, op->map, NULL, 0);	884
		885	tmp->insert_at (op);
1048	}	886	}
1049	}	887	}
1050	}	888	}
1051		889
1052	int	890	int
1053	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	891	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1054	{	892	{
1055	int success;	893	int success;
1056	player *pl;
1057	object *spell;	894	object *spell;
1058		895
1059	if (!spell_ob->other_arch)	896	if (!spell_ob->other_arch)
1060	{	897	{
1061	LOG (llevError, "cast_party_spell: empty other arch\n");	898	LOG (llevError, "cast_party_spell: empty other arch\n");
1062	return 0;	899	return 0;
1063	}	900	}
		901
1064	spell = arch_to_object (spell_ob->other_arch);	902	spell = arch_to_object (spell_ob->other_arch);
1065		903
1066	/* Always cast spell on caster */	904	/* Always cast spell on caster */
1067	success = cast_spell (op, caster, dir, spell, stringarg);	905	success = cast_spell (op, caster, dir, spell, stringarg);
1068		906
1069	if (caster->contr->party == NULL)	907	if (caster->contr->party == NULL)
1070	{	908	{
1071	remove_ob (spell);	909	spell->remove ();
1072	return success;	910	return success;
1073	}	911	}
1074	for (pl = first_player; pl != NULL; pl = pl->next)	912
		913	for_all_players (pl)
1075	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	914	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1076	{
1077	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	915	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1078	}	916
1079	remove_ob (spell);	917	spell->remove ();
1080	return success;	918	return success;
1081	}	919	}
1082		920
1083	/* This is where the main dispatch when someone casts a spell.	921	/* This is where the main dispatch when someone casts a spell.
1084	*	922	*
…		…
1105	*	943	*
1106	* if it is a player casting the spell (op->type == PLAYER, op == caster),	944	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1107	* this function will decrease the mana/grace appropriately. For other	945	* this function will decrease the mana/grace appropriately. For other
1108	* objects, the caller should do what it considers appropriate.	946	* objects, the caller should do what it considers appropriate.
1109	*/	947	*/
1110
1111	int	948	int
1112	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	949	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1113	{	950	{
1114	const char *godname;	951	const char *godname;
1115	int success = 0, mflags, cast_level = 0, old_shoottype;	952	int success = 0, cast_level = 0;
1116	object *skill = NULL;	953	object *skill = NULL;
1117
1118	old_shoottype = op->contr ? op->contr->shoottype : 0;
1119		954
1120	if (!spell_ob)	955	if (!spell_ob)
1121	{	956	{
1122	LOG (llevError, "cast_spell: null spell object passed\n");	957	LOG (llevError, "cast_spell: null spell object passed\n");
1123	return 0;	958	return 0;
…		…
1152	* at least process that code.	987	* at least process that code.
1153	*/	988	*/
1154	if (op->type == PLAYER && op == caster)	989	if (op->type == PLAYER && op == caster)
1155	{	990	{
1156	cast_level = caster_level (caster, spell_ob);	991	cast_level = caster_level (caster, spell_ob);
		992
1157	if (spell_ob->skill)	993	if (spell_ob->skill)
1158	{	994	{
1159	skill = find_skill_by_name (op, spell_ob->skill);	995	skill = find_skill_by_name (op, spell_ob->skill);
		996
1160	if (!skill)	997	if (!skill)
1161	{	998	{
1162	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	999	op->failmsg (format ("You need the skill %s to cast %s! "
		1000	"H<You either need to learn the skill via a skill scroll "
		1001	"or you need to wear a talisman or holy symbol.>",
		1002	&spell_ob->skill, &spell_ob->name));
1163	return 0;	1003	return 0;
1164	}	1004	}
		1005
		1006	int casting_level = min_casting_level (op, spell_ob);
		1007
1165	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1008	if (casting_level > cast_level && !QUERY_FLAG (op, FLAG_WIZ))
1166	{	1009	{
1167	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1010	op->failmsg (format ("You lack enough skill to cast that spell! "
		1011	"H<Your cast level is %d, but level %d is required. Maybe you are repelled?>",
		1012	cast_level, casting_level));
1168	return 0;	1013	return 0;
1169	}	1014	}
1170	}	1015	}
		1016
1171	/* If the caster is the wiz, they don't ever fail, and don't have	1017	/* If the caster is the wiz, they don't ever fail, and don't have
1172	* to have sufficient grace/mana.	1018	* to have sufficient grace/mana.
1173	*/	1019	*/
1174	if (!QUERY_FLAG (op, FLAG_WIZ))	1020	if (!QUERY_FLAG (op, FLAG_WIZ))
1175	{	1021	{
1176	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1022	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1177	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1023	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1178	{	1024	{
1179	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1025	op->failmsg ("You don't have enough mana!");
1180	return 0;	1026	return 0;
1181	}	1027	}
		1028
1182	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1029	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1183	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1030	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1184	{	1031	{
1185	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1032	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1186	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1033	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1187	{
1188	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1034	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1189	}
1190	else	1035	else
1191	{	1036	{
1192	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1037	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1193	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1038	op->failmsg (format ("%s ignores your prayer.", godname));
1194	return 0;	1039	return 0;
1195	}	1040	}
1196	}	1041	}
1197		1042
1198	/* player/monster is trying to cast the spell. might fumble it */	1043	/* player/monster is trying to cast the spell. might fumble it */
1199	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1044	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1200	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1045	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1201	{	1046	{
1202	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1047	op->contr->play_sound (sound_find ("fumble_spell"));
1203	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1048	op->failmsg ("You fumble the prayer.");
1204	if (settings.casting_time == TRUE)	1049
1205	{
1206	op->casting_time = -1;
1207	}
1208	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1050	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1209	return 0;	1051	return 0;
1210	}	1052	}
1211	else if (spell_ob->stats.sp)	1053	else if (spell_ob->stats.sp)
1212	{	1054	{
1213	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1055	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1214		1056
1215	if (failure < 0)	1057	if (failure < 0)
1216	{	1058	{
1217	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1059	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1218	if (settings.spell_failure_effects == TRUE)	1060	if (settings.spell_failure_effects == TRUE)
1219	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1061	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1220	op->contr->shoottype = (rangetype) old_shoottype;	1062
1221	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1063	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1222	return 0;	1064	return 0;
1223	}	1065	}
1224	}	1066	}
1225	}	1067	}
1226	}	1068	}
1227		1069
1228	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1070	int mflags = op->ms ().flags ();
1229		1071
1230	/* See if we can cast a spell here. If the caster and op are	1072	/* See if we can cast a spell here. If the caster and op are
1231	* not alive, then this would mean that the mapmaker put the	1073	* not alive, then this would mean that the mapmaker put the
1232	* objects on the space - presume that they know what they are	1074	* objects on the space - presume that they know what they are
1233	* doing.	1075	* doing.
1234	*/	1076	*/
1235		1077
1236	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1078	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1237	{	1079	{
1238	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1080	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1239	return 0;	1081	return 0;
1240	}	1082	}
1241		1083
1242	if ((spell_ob->type == SPELL)	1084	if ((spell_ob->type == SPELL)
1243	&& (caster->type != POTION)	1085	&& (caster->type != POTION)
…		…
1248	{	1090	{
1249	if (op->type != PLAYER)	1091	if (op->type != PLAYER)
1250	return 0;	1092	return 0;
1251		1093
1252	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1094	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1253	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1095	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1254	else	1096	else if (object *item = op->contr->ranged_ob)
1255	switch (op->contr->shoottype)
1256	{	1097	{
1257	case range_magic:	1098	if (item->type == SPELL)
1258	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1099	op->failmsg ("Something blocks your spellcasting.");
1259	break;	1100	else if (item->type == SCROLL)
1260	case range_misc:	1101	op->failmsg ("Something blocks the magic of your scroll.");
1261	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1262	break;
1263	case range_golem:
1264	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1265	break;
1266	default:
1267	break;
1268	}
1269	return 0;
1270	}
1271
1272	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1273	{
1274	if (op->casting_time == -1)
1275	{ /* begin the casting */
1276	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1277	op->spell = spell_ob;
1278	/* put the stringarg into the object struct so that when the
1279	* spell is actually cast, it knows about the stringarg.
1280	* necessary for the invoke command spells.
1281	*/
1282	if (stringarg)
1283	{
1284	op->spellarg = strdup_local (stringarg);
1285	}
1286	else	1102	else
1287	op->spellarg = NULL;	1103	op->failmsg ("Something blocks the magic of your item.");
1288	return 0;
1289	}
1290	else if (op->casting_time != 0)
1291	{
1292	if (op->type == PLAYER)
1293	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1294	return 0;
1295	}	1104	}
1296	else	1105	else
1297	{ /* casting_time == 0 */	1106	op->failmsg ("Something blocks the spell!");
1298	op->casting_time = -1;	1107
1299	spell_ob = op->spell;	1108	return 0;
1300	stringarg = op->spellarg;
1301	}
1302	}
1303	else
1304	{	1109	}
		1110
1305	/* Take into account how long it takes to cast the spell.	1111	/* Take into account how long it takes to cast the spell.
1306	* if the player is casting it, then we use the time in	1112	* if the player is casting it, then we use the time in
1307	* the spell object. If it is a spell object, have it	1113	* the spell object. If it is a spell object, have it
1308	* take two ticks. Things that cast spells on the players	1114	* take two ticks. Things that cast spells on the players
1309	* behalf (eg, altars, and whatever else) shouldn't cost	1115	* behalf (eg, altars, and whatever else) shouldn't cost
1310	* the player any time.	1116	* the player any time.
1311	* Ignore casting time for firewalls	1117	* Ignore casting time for firewalls
		1118	*/
		1119	if (caster == op && caster->type != FIREWALL)
		1120	{
		1121	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1122	/* Other portions of the code may also decrement the speed of the player, so
		1123	* put a lower limit so that the player isn't stuck here too long
1312	*/	1124	*/
1313	if (caster == op && caster->type != FIREWALL)
1314	{
1315	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1316	/* Other portions of the code may also decrement the speed of the player, so
1317	* put a lower limit so that the player isn't stuck here too long
1318	*/
1319	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1125	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1320	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1126	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1321	}	1127	}
1322	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1128	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1323	{
1324	op->speed_left -= 2 * FABS (op->speed);	1129	op->speed_left -= 2 * FABS (op->speed);
1325	}
1326	}
1327		1130
1328	if (op->type == PLAYER && op == caster)	1131	if (op->type == PLAYER && op == caster)
1329	{	1132	{
1330	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1133	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1331	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1134	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1338	if (op != caster && !skill && caster->skill)	1141	if (op != caster && !skill && caster->skill)
1339	{	1142	{
1340	skill = find_skill_by_name (op, caster->skill);	1143	skill = find_skill_by_name (op, caster->skill);
1341	if (!skill)	1144	if (!skill)
1342	{	1145	{
1343	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1146	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1344	return 0;	1147	return 0;
1345	}	1148	}
		1149
1346	change_skill (op, skill, 0); /* needed for proper exp credit */	1150	op->change_skill (skill); /* needed for proper exp credit */
1347	}	1151	}
		1152
		1153	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
		1154	return RESULT_INT (0);
1348		1155
1349	switch (spell_ob->subtype)	1156	switch (spell_ob->subtype)
1350	{	1157	{
1351	/* The order of case statements is same as the order they show up	1158	/* The order of case statements is same as the order they show up
1352	* in in spells.h.	1159	* in in spells.h.
1353	*/	1160	*/
1354	case SP_RAISE_DEAD:	1161	case SP_RAISE_DEAD:
1355	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1162	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);
1356	break;	1163	break;
1357		1164
1358	case SP_RUNE:	1165	case SP_RUNE:
…		…
1386	case SP_SMITE:	1193	case SP_SMITE:
1387	success = cast_smite_spell (op, caster, dir, spell_ob);	1194	success = cast_smite_spell (op, caster, dir, spell_ob);
1388	break;	1195	break;
1389		1196
1390	case SP_MAGIC_MISSILE:	1197	case SP_MAGIC_MISSILE:
1391	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1198	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1392	break;	1199	break;
1393		1200
1394	case SP_SUMMON_GOLEM:	1201	case SP_SUMMON_GOLEM:
1395	success = summon_golem (op, caster, dir, spell_ob);	1202	success = summon_golem (op, caster, dir, spell_ob);
1396	old_shoottype = range_golem;
1397	break;	1203	break;
1398		1204
1399	case SP_DIMENSION_DOOR:	1205	case SP_DIMENSION_DOOR:
1400	/* dimension door needs the actual caster, because that is what is	1206	/* dimension door needs the actual caster, because that is what is
1401	* moved.	1207	* moved.
…		…
1474	#ifdef NO_POLYMORPH	1280	#ifdef NO_POLYMORPH
1475	/* Not great, but at least provide feedback so if players do have	1281	/* Not great, but at least provide feedback so if players do have
1476	* polymorph (ie, find it as a preset item or left over from before	1282	* polymorph (ie, find it as a preset item or left over from before
1477	* it was disabled), they get some feedback.	1283	* it was disabled), they get some feedback.
1478	*/	1284	*/
1479	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1285	op->failmsg ("The spell fizzles!");
1480	success = 0;	1286	success = 0;
1481	#else	1287	#else
1482	success = cast_polymorph (op, caster, spell_ob, dir);	1288	success = cast_polymorph (op, caster, spell_ob, dir);
1483	#endif	1289	#endif
1484	break;	1290	break;
…		…
1504	break;	1310	break;
1505		1311
1506	case SP_MOVING_BALL:	1312	case SP_MOVING_BALL:
1507	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1313	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1508	{	1314	{
1509	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1315	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1510	success = 0;	1316	success = 0;
1511	}	1317	}
1512	else	1318	else
1513	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1319	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1514	break;	1320	break;
1515		1321
1516	case SP_SWARM:	1322	case SP_SWARM:
1517	success = fire_swarm (op, caster, spell_ob, dir);	1323	success = fire_swarm (op, caster, spell_ob, dir);
1518	break;	1324	break;
…		…
1534	success = cast_consecrate (op, caster, spell_ob);	1340	success = cast_consecrate (op, caster, spell_ob);
1535	break;	1341	break;
1536		1342
1537	case SP_ANIMATE_WEAPON:	1343	case SP_ANIMATE_WEAPON:
1538	success = animate_weapon (op, caster, spell_ob, dir);	1344	success = animate_weapon (op, caster, spell_ob, dir);
1539	old_shoottype = range_golem;
1540	break;	1345	break;
1541		1346
1542	case SP_LIGHT:	1347	case SP_LIGHT:
1543	success = cast_light (op, caster, spell_ob, dir);	1348	success = cast_light (op, caster, spell_ob, dir);
1544	break;	1349	break;
…		…
1557		1362
1558	case SP_AURA:	1363	case SP_AURA:
1559	success = create_aura (op, caster, spell_ob);	1364	success = create_aura (op, caster, spell_ob);
1560	break;	1365	break;
1561		1366
1562	case SP_TOWN_PORTAL:
1563	success = cast_create_town_portal (op, caster, spell_ob, dir);
1564	break;
1565
1566	case SP_PARTY_SPELL:	1367	case SP_PARTY_SPELL:
1567	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1368	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);
1568	break;	1369	break;
1569		1370
1570	default:	1371	default:
1571	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1572	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1372	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1573	}
1574
1575	/* FIXME - we need some better sound suppport */
1576	// yes, for example, augment map info with the spell effect
1577	// so clients can calculate the sounds themselves
1578	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1579
1580	/* free the spell arg */
1581	if (settings.casting_time == TRUE && stringarg)
1582	{	1373	}
1583	free (stringarg);	1374
1584	stringarg = NULL;	1375	op->play_sound (
1585	}	1376	success
1586	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1377	? spell_ob->sound
1587	* to something like use_magic_item, but you really want to be able to fire	1378	? spell_ob->sound
1588	* it again.	1379	: sound_find ("spell_success")
1589	*/	1380	: sound_find ("fumble_spell")
1590	if (op->contr)	1381	);
1591	op->contr->shoottype = (rangetype) old_shoottype;
1592		1382
1593	return success;	1383	return success;
1594	}	1384	}
1595		1385
1596
1597	/* This is called from time.c/process_object(). That function	1386	/* This is called from time.c/process_object(). That function
1598	* calls this for any SPELL_EFFECT type objects. This function	1387	* calls this for any SPELL_EFFECT type objects. This function
1599	* then dispatches them to the appropriate specific routines.	1388	* then dispatches them to the appropriate specific routines.
1600	*/	1389	*/
1601	void	1390	void
1602	move_spell_effect (object *op)	1391	move_spell_effect (object *op)
1603	{	1392	{
…		…
1682	if (QUERY_FLAG (victim, FLAG_ALIVE))	1471	if (QUERY_FLAG (victim, FLAG_ALIVE))
1683	{	1472	{
1684	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1473	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1685		1474
1686	if (!spell->destroyed ())	1475	if (!spell->destroyed ())
1687	{	1476	spell->destroy ();
1688	remove_ob (spell);
1689	free_object (spell);
1690	}
1691	}	1477	}
1692	break;	1478	break;
1693		1479
1694	case SP_MOVING_BALL:	1480	case SP_MOVING_BALL:
1695	if (QUERY_FLAG (victim, FLAG_ALIVE))	1481	if (QUERY_FLAG (victim, FLAG_ALIVE))
1696	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1482	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1697	else if (victim->material \|\| victim->materialname)	1483	else if (victim->materialname)
1698	save_throw_object (victim, spell->attacktype, spell);	1484	save_throw_object (victim, spell->attacktype, spell);
1699	break;	1485	break;
1700	}	1486	}
1701	}	1487	}
		1488

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.18 by root, Fri Nov 17 15:48:07 2006 UTC vs. Revision 1.73 by root, Sat May 17 14:11:13 2008 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.18 by root, Fri Nov 17 15:48:07 2006 UTC vs.
Revision 1.73 by root, Sat May 17 14:11:13 2008 UTC