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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.14 by root, Thu Sep 14 21:16:13 2006 UTC vs.
Revision 1.101 by root, Fri Nov 6 13:03:34 2009 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 (©) 2005,2006,2007,2008,2009 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 it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* 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 Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at crossfire-devel@real-time.com	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23
24		24
25	#include <global.h>	25	#include <global.h>
26	#include <spells.h>	26	#include <spells.h>
27	#include <object.h>	27	#include <object.h>
28	#include <errno.h>	28	#include <errno.h>
29	#ifndef __CEXTRACT__
30	# include <sproto.h>	29	#include <sproto.h>
31	#endif
32	#include <sounds.h>	30	#include <sounds.h>
33		31
34	extern char *spell_mapping[];	32	extern char *spell_mapping[];
35		33
36	/* This returns a random spell from 'ob'. If skill is set, then	34	/* This returns a random spell from 'ob'. If skill is set, then
37	* the spell must be of this skill, it can be NULL in which case all	35	* the spell must be of this skill, it can be NULL in which case all
38	* matching spells are used.	36	* matching spells are used.
39	*/	37	*/
40	object *	38	object *
41	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
42	{	40	{
43	int k = 0, s;	41	int k = 0, s;
44	object *tmp;
45		42
46	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
47	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
48	k++;	45	k++;
49		46
50	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
51	if (!k)	48	if (!k)
52	return NULL;	49	return NULL;
53		50
54	s = RANDOM () % k;	51	s = rndm (k);
55		52
56	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
57	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
58	{
59	if (!s)	55	if (!s)
60	return tmp;	56	return tmp;
61	else	57	else
62	s--;	58	s--;
63	}	59
64	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
65	return NULL;	61	return 0;
66	}	62	}
67		63
68	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
69	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
70	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
80	dest->skill = spob->skill;	76	dest->skill = spob->skill;
81	else	77	else
82	dest->skill = caster->skill;	78	dest->skill = caster->skill;
83	}	79	}
84		80
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	81	/* pretty basic function - basically just takes
154	* an object, sets the x,y, and calls insert_ob_in_map	82	* an object, sets the x,y, and calls insert_ob_in_map
155	*/	83	*/
156
157	void	84	void
158	spell_effect (object *spob, int x, int y, mapstruct *map, object *originator)	85	spell_effect (object *spob, int x, int y, maptile *map, object *originator)
159	{	86	{
160
161	if (spob->other_arch != NULL)	87	if (spob->other_arch)
162	{	88	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	}	89	}
171		90
172	/*	91	static int
173	* This function takes a caster and spell and presents the	92	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	{	93	{
185	int new_level;	94	// compute the attuned/repelled bonus
186		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
187	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
188	{	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
189	/* This case is not a bug, just the fact that this function is	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
190	* usually called BEFORE checking for path_deny. -AV
191	*/
192	#if 0
193	LOG (llevError, "BUG: path_level_mod (arch %s, name %s): casting denied " "spell\n", caster->arch->name, caster->name);
194	#endif
195	return 1;
196	}
197	new_level = spell->level
198	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
199	return (new_level < 1) ? 1 : new_level;
200	}	99	}
201
202		100
203	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
204	* is being cast at.	102	* is being cast at.
205	* Note that I changed the repelled/attuned bonus to 2 from 5.
206	* This is because the new code compares casting_level against
207	* min_caster_level, so the difference is effectively 4
208	*/	103	*/
209
210	int	104	int
211	caster_level (object *caster, object *spell)	105	casting_level (object *caster, object *spell)
212	{	106	{
213	int level = caster->level;	107	int level = caster->level;
214
215	/* If this is a player, try to find the matching skill */
216	if (caster->type == PLAYER && spell->skill)
217	{
218	int i;
219
220	for (i = 0; i < NUM_SKILLS; i++)
221	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
222	{
223	level = caster->contr->last_skill_ob[i]->level;
224	break;
225	}
226	}
227		108
228	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	109	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
229	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
230	{	111	{
231	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	112	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
232	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
233		114
234	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
235	}	116	}
		117	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		118	if (object *skill = caster->contr->find_skill (spell->skill))
		119	level = skill->level;
236		120
237	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
238	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	122
		123	level += bonus;
		124
		125	// now scale the effective level from the startinglevel..100 range to 1..100
		126	if (level < 100)
		127	level = lerp (level, (int)spell->level, 100, 1, 100);
239		128
240	/* Always make this at least 1. If this is zero, we get divide by zero	129	/* Always make this at least 1. If this is zero, we get divide by zero
241	* errors in various places.	130	* errors in various places.
242	*/	131	*/
243	if (level < 1)	132	return clamp (level, 1, settings.max_level);
244	level = 1;
245	return level;
246	}	133	}
247		134
248	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
249	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
250	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
254	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
255	* spell is the spell object.	142	* spell is the spell object.
256	* Note that it is now possible for a spell to cost both grace and	143	* Note that it is now possible for a spell to cost both grace and
257	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
258	*/	145	*/
259
260	sint16	146	sint16
261	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
262	{	148	{
263	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
264		150
265	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
266	{	152	{
267	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
268	{	154	{
…		…
289	else	175	else
290	{	176	{
291	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	177	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
292	if (spell->stats.sp && !sp)	178	if (spell->stats.sp && !sp)
293	sp = 1;	179	sp = 1;
		180
294	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	181	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
295	if (spell->stats.grace && !grace)	182	if (spell->stats.grace && !grace)
296	grace = 1;	183	grace = 1;
297	}	184	}
		185
298	if (flags == SPELL_HIGHEST)	186	if (flags == SPELL_HIGHEST)
299	return MAX (sp, grace);	187	return MAX (sp, grace);
300	else if (flags == SPELL_GRACE)	188	else if (flags == SPELL_GRACE)
301	return grace;	189	return grace;
302	else if (flags == SPELL_MANA)	190	else if (flags == SPELL_MANA)
…		…
306	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	194	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
307	return 0;	195	return 0;
308	}	196	}
309	}	197	}
310		198
		199	/*
		200	* Return the effective casting level of the spell.
		201	* To make spells independent of their starting level, this function
		202	* scales the range spellstartlevel .. 100 into the range 1..100
		203	*/
		204	static int
		205	SP_casting_level (object *caster, object *spell)
		206	{
		207	return casting_level (caster, spell);
		208	}
311		209
312	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	210	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
313	* spob is the spell we are adjusting.	211	* spob is the spell we are adjusting.
314	*/	212	*/
315	int	213	int
316	SP_level_dam_adjust (object *caster, object *spob)	214	SP_level_dam_adjust (object *caster, object *spob)
317	{	215	{
318	int level = caster_level (caster, spob);
319	int adj = level - min_casting_level (caster, spob);
320
321	if (adj < 0)
322	adj = 0;
323	if (spob->dam_modifier)	216	if (!spob->dam_modifier)
324	adj /= spob->dam_modifier;
325	else
326	adj = 0;
327	return adj;	217	return 0;
		218
		219	return SP_casting_level (caster, spob) / spob->dam_modifier;
328	}	220	}
329		221
330	/* Adjust the strength of the spell based on level.	222	/* Adjust the strength of the spell based on level.
331	* This is basically the same as SP_level_dam_adjust above,	223	* This is basically the same as SP_level_dam_adjust above,
332	* but instead looks at the level_modifier value.	224	* but instead looks at the level_modifier value.
333	*/	225	*/
334	int	226	int
335	SP_level_duration_adjust (object *caster, object *spob)	227	SP_level_duration_adjust (object *caster, object *spob)
336	{	228	{
337	int level = caster_level (caster, spob);
338	int adj = level - min_casting_level (caster, spob);
339
340	if (adj < 0)
341	adj = 0;
342	if (spob->duration_modifier)	229	if (!spob->duration_modifier)
343	adj /= spob->duration_modifier;
344	else
345	adj = 0;
346
347	return adj;	230	return 0;
		231
		232	return SP_casting_level (caster, spob) / spob->duration_modifier;
348	}	233	}
349		234
350	/* Adjust the strength of the spell based on level.	235	/* Adjust the strength of the spell based on level.
351	* This is basically the same as SP_level_dam_adjust above,	236	* This is basically the same as SP_level_dam_adjust above,
352	* but instead looks at the level_modifier value.	237	* but instead looks at the level_modifier value.
353	*/	238	*/
354	int	239	int
355	SP_level_range_adjust (object *caster, object *spob)	240	SP_level_range_adjust (object *caster, object *spob)
356	{	241	{
357	int level = caster_level (caster, spob);
358	int adj = level - min_casting_level (caster, spob);
359
360	if (adj < 0)
361	adj = 0;
362	if (spob->range_modifier)	242	if (!spob->range_modifier)
363	adj /= spob->range_modifier;
364	else
365	adj = 0;
366
367	return adj;	243	return 0;
		244
		245	return SP_casting_level (caster, spob) / spob->range_modifier;
368	}	246	}
369		247
370	/* Checks to see if player knows the spell. If the name is the same	248	/* Checks to see if player knows the spell. If the name is the same
371	* as an existing spell, we presume they know it.	249	* as an existing spell, we presume they know it.
372	* returns 1 if they know the spell, 0 if they don't.	250	* returns 1 if they know the spell, 0 if they don't.
373	*/	251	*/
374	object *	252	object *
375	check_spell_known (object *op, const char *name)	253	check_spell_known (object *op, shstr_cmp name)
376	{	254	{
377	object *spop;	255	object *spop;
378		256
379	for (spop = op->inv; spop; spop = spop->below)	257	for (spop = op->inv; spop; spop = spop->below)
380	if (spop->type == SPELL && !strcmp (spop->name, name))	258	if (spop->type == SPELL && spop->name == name)
381	return spop;	259	return spop;
382		260
383	return NULL;	261	return 0;
384	}	262	}
385
386		263
387	/*	264	/*
388	* Look at object 'op' and see if they know the spell	265	* Look at object 'op' and see if they know the spell
389	* spname. This is pretty close to check_spell_known	266	* spname. This is pretty close to check_spell_known
390	* above, but it uses a looser matching mechanism.	267	* above, but it uses a looser matching mechanism.
391	* returns the matching spell object, or NULL.	268	* returns the matching spell object, or NULL.
392	* If we match multiple spells but don't get an	269	* If we match multiple spells but don't get an
393	* exact match, we also return NULL.	270	* exact match, we also return NULL.
394	*/	271	*/
395
396	object *	272	object *
397	lookup_spell_by_name (object *op, const char *spname)	273	lookup_spell_by_name (object *op, const char *spname)
398	{	274	{
399	object *spob1 = NULL, *spob2 = NULL, *spob;	275	object *spob1 = 0, *spob2 = 0;
400	int nummatch = 0;	276	int nummatch = 0;
401		277
402	if (spname == NULL)	278	if (!spname)
403	return NULL;	279	return 0;
404		280
405	/* Try to find the spell. We store the results in spob1	281	/* Try to find the spell. We store the results in spob1
406	* and spob2 - spob1 is only taking the length of	282	* and spob2 - spob1 is only taking the length of
407	* the past spname, spob2 uses the length of the spell name.	283	* the past spname, spob2 uses the length of the spell name.
408	*/	284	*/
409	for (spob = op->inv; spob; spob = spob->below)	285	for (object *spob = op->inv; spob; spob = spob->below)
410	{	286	{
411	if (spob->type == SPELL)	287	if (spob->type == SPELL)
412	{	288	{
		289	// TODO: WTF?
413	if (!strncmp (spob->name, spname, strlen (spname)))	290	if (!strncmp (spob->name, spname, strlen (spname)))
414	{	291	{
415	nummatch++;	292	nummatch++;
416	spob1 = spob;	293	spob1 = spob;
417	}	294	}
…		…
422	* fall into this category). It shouldn't be hard to	299	* fall into this category). It shouldn't be hard to
423	* make sure spell names don't overlap in that fashion.	300	* make sure spell names don't overlap in that fashion.
424	*/	301	*/
425	if (spob2)	302	if (spob2)
426	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);	303	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
		304
427	spob2 = spob;	305	spob2 = spob;
428	}	306	}
429	}	307	}
430	}	308	}
431	/* if we have best match, return it. Otherwise, if we have one match	309	/* if we have best match, return it. Otherwise, if we have one match
432	* on the loser match, return that, otehrwise null	310	* on the loser match, return that, otehrwise null
433	*/	311	*/
434	if (spob2)	312	if (spob2)
435	return spob2;	313	return spob2;
		314
436	if (spob1 && nummatch == 1)	315	if (spob1 && nummatch == 1)
437	return spob1;	316	return spob1;
		317
438	return NULL;	318	return NULL;
439	}	319	}
440		320
441	/* reflwall - decides weither the (spell-)object sp_op will	321	/* reflwall - decides weither the (spell-)object sp_op will
442	* be reflected from the given mapsquare. Returns 1 if true.	322	* be reflected from the given mapsquare. Returns 1 if true.
…		…
444	* reflect_spell fails.)	324	* reflect_spell fails.)
445	* Caller should be sure it passes us valid map coordinates	325	* Caller should be sure it passes us valid map coordinates
446	* eg, updated for tiled maps.	326	* eg, updated for tiled maps.
447	*/	327	*/
448	int	328	int
449	reflwall (mapstruct *m, int x, int y, object *sp_op)	329	reflwall (maptile *m, int x, int y, object *sp_op)
450	{	330	{
451	object *op;
452
453	if (OUT_OF_REAL_MAP (m, x, y))	331	if (OUT_OF_REAL_MAP (m, x, y))
454	return 0;	332	return 0;
455	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)	333
456	if (QUERY_FLAG (op, FLAG_REFL_SPELL) && (!QUERY_FLAG (op, FLAG_ALIVE) ||	334	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
457	sp_op->type == LIGHTNING || (rndm (0, 99)) < 90 - (sp_op->level / 10)))	335	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
		336	&& (!QUERY_FLAG (op, FLAG_ALIVE)
		337	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
458	return 1;	338	return 1;
459		339
460	return 0;	340	return 0;
461	}	341	}
462		342
…		…
468	* in.	348	* in.
469	*/	349	*/
470	int	350	int
471	cast_create_obj (object *op, object *caster, object *new_op, int dir)	351	cast_create_obj (object *op, object *caster, object *new_op, int dir)
472	{	352	{
473	mapstruct *m;	353	maptile *m;
474	sint16 sx, sy;	354	sint16 sx, sy;
475		355
476	if (dir &&	356	if (dir &&
477	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) ||	357	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) ||
478	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))	358	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))
479	{	359	{
480	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	360	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
481	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	361	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
482	dir = 0;	362	dir = 0;
483	}	363	}
484	new_op->x = op->x + freearr_x[dir];	364
485	new_op->y = op->y + freearr_y[dir];	365	SET_FLAG (new_op, FLAG_IDENTIFIED);
486	if (dir == 0)	366	op->map->insert (new_op,
487	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	367	op->x + freearr_x[dir], op->y + freearr_y[dir],
488	else	368	op,
489	insert_ob_in_map (new_op, op->map, op, 0);	369	dir ? 0 : INS_BELOW_ORIGINATOR);
		370
490	return dir;	371	return dir;
		372	}
		373
		374	static bool
		375	mergable_owner (object *o1, object *o2)
		376	{
		377	if (o1 == o2)
		378	return 1;
		379
		380	if (!o1 || !o2)
		381	return 0;
		382
		383	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		384	return 0;
		385
		386	if (o1->is_player () || o2->is_player ())
		387	return 0;
		388
		389	return 1;
491	}	390	}
492		391
493	/* Returns true if it is ok to put spell *op on the space/may provided.	392	/* Returns true if it is ok to put spell *op on the space/may provided.
494	* immune_stop is basically the attacktype of the spell (why	393	* immune_stop is basically the attacktype of the spell (why
495	* passed as a different value, not sure of). If immune_stop	394	* passed as a different value, not sure of). If immune_stop
496	* has the AT_MAGIC bit set, and there is a counterwall	395	* has the AT_MAGIC bit set, and there is a counterwall
497	* on the space, the object doesn't get placed. if immune stop	396	* on the space, the object doesn't get placed. if immune stop
498	* does not have AT_MAGIC, then counterwalls do not effect the spell.	397	* does not have AT_MAGIC, then counterwalls do not effect the spell.
499	*	398	*/
500	*/
501
502	int	399	int
503	ok_to_put_more (mapstruct *m, sint16 x, sint16 y, object *op, int immune_stop)	400	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
504	{	401	{
505	object *tmp;	402	if (!xy_normalise (m, x, y))
506	int mflags;
507	mapstruct *mp;
508
509	mp = m;
510	mflags = get_map_flags (m, &mp, x, y, &x, &y);
511
512	if (mflags & P_OUT_OF_MAP)
513	return 0;	403	return 0;
514		404
515	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	405	mapspace &ms = m->at (x, y);
		406	ms.update ();
		407
		408	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
516	return 0;	409	return 0;
517		410
518	for (tmp = get_map_ob (mp, x, y); tmp != NULL; tmp = tmp->above)	411	int max_effects = 5; // max. number of similar spells per mapspace
		412
		413	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
519	{	414	{
520	/* If there is a counterspell on the space, and this	415	/* If there is a counterspell on the space, and this
521	* object is using magic, don't progress. I believe we could	416	* object is using magic, don't progress. I believe we could
522	* leave this out and let in progress, and other areas of the code	417	* leave this out and let in progress, and other areas of the code
523	* will then remove it, but that would seem to to use more	418	* will then remove it, but that would seem to to use more
524	* resources, and may not work as well if a player is standing	419	* resources, and may not work as well if a player is standing
525	* on top of a counterwall spell (may hit the player before being	420	* on top of a counterwall spell (may hit the player before being
526	* removed.) On the other hand, it may be more dramatic for the	421	* removed.) On the other hand, it may be more dramatic for the
527	* spell to actually hit the counterwall and be sucked up.	422	* spell to actually hit the counterwall and be sucked up.
528	*/	423	*/
529	if ((tmp->attacktype & AT_COUNTERSPELL) &&	424	if ((tmp->attacktype & AT_COUNTERSPELL)
530	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	425	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
531	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	426	&& (tmp->type != PLAYER)
		427	&& (tmp->type != WEAPON)
		428	&& (tmp->type != BOW)
		429	&& (tmp->type != ARROW)
		430	&& (tmp->type != GOLEM)
		431	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		432	// we special case floor here because there
		433	// are sometimes spell effect floors
		434	// which are used to inflict damage
		435	// (and those shouldn't go away from
		436	// sanctuary) see also: permanent lava
		437	&& (immune_stop & AT_MAGIC))
532	return 0;	438	return 0;
533		439
534	/* This is to prevent 'out of control' spells. Basically, this
535	* limits one spell effect per space per spell. This is definately
536	* needed for performance reasons, and just for playability I believe.
537	* there are no such things as multispaced spells right now, so
538	* we don't need to worry about the head.
539	*/
540	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
541	return 0;
542
543	/*
544	* Combine similar spell effects into one spell effect. Needed for
545	* performance reasons with meteor swarm and the like, but also for
546	* playability reasons.
547	*/
548	if (tmp->arch == op->arch
549	&& tmp->type == op->type	440	if (tmp->type == op->type)
550	&& tmp->subtype == op->subtype
551	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
552	{	441	{
553	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	442	if (tmp->subtype == op->subtype
554	tmp->range = MAX (tmp->range, op->range);	443	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
555	tmp->duration = MAX (tmp->duration, op->duration);	444	{
		445	/* This is to prevent 'out of control' spells. Basically, this
		446	* limits one spell effect per space per spell. This is definately
		447	* needed for performance reasons, and just for playability I believe.
		448	* there are no such things as multispaced spells right now, so
		449	* we don't need to worry about the head.
		450	*/
		451	if (tmp->stats.maxhp == op->stats.maxhp)
		452	return 0;
		453
		454	/*
		455	* Combine similar spell effects into one spell effect. Needed for
		456	* performance reasons with meteor swarm and the like, but also for
		457	* playability reasons.
		458	*/
		459	if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		460	if (mergable_owner (tmp, op))
		461	{
		462	// if same owner, then combine, but reduce advantage of multiple spells
		463	max_it (tmp->stats.dam, op->stats.dam);
		464	max_it (tmp->range , op->range);
		465	max_it (tmp->duration , op->duration);
		466	return 0;
		467	}
		468	}
		469
		470	// if there are too many spell effects on this space,
		471	// then don't allow more of them, for performance reasons.
		472	if (tmp->type == SPELL_EFFECT
		473	&& !--max_effects)
556	return 0;	474	return 0;
557	}	475	}
558		476
559	/* Perhaps we should also put checks in for no magic and unholy	477	/* Perhaps we should also put checks in for no magic and unholy
560	* ground to prevent it from moving along?	478	* ground to prevent it from moving along?
561	*/	479	*/
562	}	480	}
		481
563	/* If it passes the above tests, it must be OK */	482	/* If it passes the above tests, it must be OK */
564	return 1;	483	return 1;
565	}	484	}
566		485
567	/* fire_arch_from_position: fires an archetype.	486	/* fire_arch_from_position: fires an archetype.
…		…
572	* dir: direction to fire in.	491	* dir: direction to fire in.
573	* spell: spell that is being fired. It uses other_arch for the archetype	492	* spell: spell that is being fired. It uses other_arch for the archetype
574	* to fire.	493	* to fire.
575	* returns 0 on failure, 1 on success.	494	* returns 0 on failure, 1 on success.
576	*/	495	*/
577
578	int	496	int
579	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)	497	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
580	{	498	{
581	object *tmp;
582	int mflags;
583	mapstruct *m;
584
585	if (spell->other_arch == NULL)	499	if (!spell->other_arch)
586	return 0;	500	return 0;
587		501
588	m = op->map;	502	object *tmp = spell->other_arch->instance ();
589	mflags = get_map_flags (m, &m, x, y, &x, &y);
590	if (mflags & P_OUT_OF_MAP)
591	{
592	return 0;
593	}
594		503
595	tmp = arch_to_object (spell->other_arch);	504	if (!tmp)
596
597	if (tmp == NULL)
598	return 0;	505	return 0;
599
600	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
601	{
602	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
603	free_object (tmp);
604	return 0;
605	}
606
607
608		506
609	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	507	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
610	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	508	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
611	/* code in time.c uses food for some things, duration for others */	509	/* code in time.c uses food for some things, duration for others */
612	tmp->stats.food = tmp->duration;	510	tmp->stats.food = tmp->duration;
613	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	511	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
614	tmp->attacktype = spell->attacktype;	512	tmp->attacktype = spell->attacktype;
615	tmp->x = x;
616	tmp->y = y;
617	tmp->direction = dir;	513	tmp->direction = dir;
618	if (get_owner (op) != NULL)	514	tmp->set_owner (op);
619	copy_owner (tmp, op);
620	else
621	set_owner (tmp, op);
622	tmp->level = caster_level (caster, spell);	515	tmp->level = casting_level (caster, spell);
623	set_spell_skill (op, caster, spell, tmp);	516	set_spell_skill (op, caster, spell, tmp);
624		517
625	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	518	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
626	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	519	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
627	{
628	if (!tailor_god_spell (tmp, op))	520	if (!tailor_god_spell (tmp, op))
629	return 0;	521	return 0;
630	}	522
631	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	523	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
632	SET_ANIMATION (tmp, dir);	524	SET_ANIMATION (tmp, dir);
633		525
634	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	526	if ((tmp = op->map->insert (tmp, x, y, op)))
635	return 1;
636
637	move_spell_effect (tmp);	527	move_spell_effect (tmp);
638		528
639	return 1;	529	return 1;
640	}	530	}
641
642
643		531
644	/*****************************************************************************	532	/*****************************************************************************
645	*	533	*
646	* Code related to rods - perhaps better located in another file?	534	* Code related to rods - perhaps better located in another file?
647	*	535	*
648	****************************************************************************/	536	****************************************************************************/
649
650	void	537	void
651	regenerate_rod (object *rod)	538	regenerate_rod (object *rod)
652	{	539	{
653	if (rod->stats.hp < rod->stats.maxhp)	540	if (rod->stats.hp < rod->stats.maxhp)
654	{	541	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
655	rod->stats.hp += 1 + rod->stats.maxhp / 10;
656
657	if (rod->stats.hp > rod->stats.maxhp)
658	rod->stats.hp = rod->stats.maxhp;
659	}
660	}	542	}
661
662		543
663	void	544	void
664	drain_rod_charge (object *rod)	545	drain_rod_charge (object *rod)
665	{	546	{
666	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	547	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
667	}	548	}
668
669
670
671		549
672	/* this function is commonly used to find a friendly target for	550	/* this function is commonly used to find a friendly target for
673	* spells such as heal or protection or armour	551	* spells such as heal or protection or armour
674	* op is what is looking for the target (which can be a player),	552	* op is what is looking for the target (which can be a player),
675	* dir is the direction we are looking in. Return object found, or	553	* dir is the direction we are looking in. Return object found, or
676	* NULL if no good object.	554	* NULL if no good object.
677	*/	555	*/
678
679	object *	556	object *
680	find_target_for_friendly_spell (object *op, int dir)	557	find_target_for_friendly_spell (object *op, int dir)
681	{	558	{
682	object *tmp;	559	object *tmp;
683	mapstruct *m;
684	sint16 x, y;
685	int mflags;
686		560
687	/* I don't really get this block - if op isn't a player or rune,	561	/* I don't really get this block - if op isn't a player or rune,
688	* we then make the owner of this object the target.	562	* we then make the owner of this object the target.
689	* The owner could very well be no where near op.	563	* The owner could very well be no where near op.
690	*/	564	*/
691	if (op->type != PLAYER && op->type != RUNE)	565	if (op->type != PLAYER && op->type != RUNE)
692	{	566	{
693	tmp = get_owner (op);	567	tmp = op->owner;
694	/* If the owner does not exist, or is not a monster, than apply the spell	568	/* If the owner does not exist, or is not a monster, than apply the spell
695	* to the caster.	569	* to the caster.
696	*/	570	*/
697	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	571	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))
698	tmp = op;	572	tmp = op;
699	}	573	}
700	else	574	else
701	{	575	{
702	m = op->map;	576	maptile *m = op->map;
703	x = op->x + freearr_x[dir];	577	sint16 x = op->x + freearr_x[dir];
704	y = op->y + freearr_y[dir];	578	sint16 y = op->y + freearr_y[dir];
705
706	mflags = get_map_flags (m, &m, x, y, &x, &y);
707
708	if (mflags & P_OUT_OF_MAP)
709	tmp = NULL;
710	else
711	{	579
712	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above)	580	tmp = xy_normalise (m, x, y)
713	if (tmp->type == PLAYER)	581	? m->at (x, y).player ()
714	break;	582	: 0;
715	}
716	}	583	}
		584
717	/* didn't find a player there, look in current square for a player */	585	/* didn't find a player there, look in current square for a player */
718	if (tmp == NULL)	586	if (!tmp)
719	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	587	tmp = op->ms ().player ();
720	{
721	if (tmp->type == PLAYER)
722	break;
723	}
724		588
725	return tmp;	589	return tmp;
726	}	590	}
727
728
729		591
730	/* raytrace:	592	/* raytrace:
731	* spell_find_dir(map, x, y, exclude) will search first the center square	593	* spell_find_dir(map, x, y, exclude) will search first the center square
732	* then some close squares in the given map at the given coordinates for	594	* then some close squares in the given map at the given coordinates for
733	* live objects.	595	* live objects.
…		…
736	* monsters/generators only. If not, the spell will hunt players only.	598	* monsters/generators only. If not, the spell will hunt players only.
737	* It returns the direction toward the first/closest live object if it finds	599	* It returns the direction toward the first/closest live object if it finds
738	* any, otherwise -1.	600	* any, otherwise -1.
739	* note that exclude can be NULL, in which case all bets are off.	601	* note that exclude can be NULL, in which case all bets are off.
740	*/	602	*/
741
742	int	603	int
743	spell_find_dir (mapstruct *m, int x, int y, object *exclude)	604	spell_find_dir (maptile *m, int x, int y, object *exclude)
744	{	605	{
745	int i, max = SIZEOFFREE;	606	int i, max = SIZEOFFREE;
746	sint16 nx, ny;	607	sint16 nx, ny;
747	int owner_type = 0, mflags;	608	int owner_type = 0, mflags;
748	object *tmp;	609	object *tmp;
749	mapstruct *mp;	610	maptile *mp;
750		611
751	if (exclude && exclude->head)	612	if (exclude && exclude->head)
752	exclude = exclude->head;	613	exclude = exclude->head;
753	if (exclude && exclude->type)	614	if (exclude && exclude->type)
754	owner_type = exclude->type;	615	owner_type = exclude->type;
…		…
760	mp = m;	621	mp = m;
761	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	622	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
762	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))	623	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
763	continue;	624	continue;
764		625
765	tmp = get_map_ob (mp, nx, ny);	626	tmp = GET_MAP_OB (mp, nx, ny);
766		627
767	while (tmp != NULL && (((owner_type == PLAYER &&	628	while (tmp != NULL && (((owner_type == PLAYER &&
768	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	629	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||
769	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))	630	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
770	tmp = tmp->above;	631	tmp = tmp->above;
…		…
773	return freedir[i];	634	return freedir[i];
774	}	635	}
775	return -1; /* flag for "keep going the way you were" */	636	return -1; /* flag for "keep going the way you were" */
776	}	637	}
777		638
778
779
780	/* put_a_monster: puts a monster named monstername near by	639	/* put_a_monster: puts a monster named monstername near by
781	* op. This creates the treasures for the monsters, and	640	* op. This creates the treasures for the monsters, and
782	* also deals with multipart monsters properly.	641	* also deals with multipart monsters properly.
783	*/	642	*/
784		643	static void
785	void
786	put_a_monster (object *op, const char *monstername)	644	put_a_monster (object *op, const char *monstername)
787	{	645	{
788	object *tmp, *head = NULL, *prev = NULL;	646	object *tmp, *head = NULL, *prev = NULL;
789	archetype *at;	647	archetype *at;
790	int dir;	648	int dir;
…		…
796		654
797	/* find a free square nearby	655	/* find a free square nearby
798	* first we check the closest square for free squares	656	* first we check the closest square for free squares
799	*/	657	*/
800		658
801	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	659	dir = find_first_free_spot (at, op->map, op->x, op->y);
802	if (dir != -1)	660	if (dir != -1)
803	{	661	{
804	/* This is basically grabbed for generate monster. Fixed 971225 to	662	/* This is basically grabbed for generate monster. Fixed 971225 to
805	* insert multipart monsters properly	663	* insert multipart monsters properly
806	*/	664	*/
		665	//TODO: use expand_tail + ...
807	while (at != NULL)	666	while (at != NULL)
808	{	667	{
809	tmp = arch_to_object (at);	668	tmp = arch_to_object (at);
810	tmp->x = op->x + freearr_x[dir] + at->clone.x;	669	tmp->x = op->x + freearr_x[dir] + at->x;
811	tmp->y = op->y + freearr_y[dir] + at->clone.y;	670	tmp->y = op->y + freearr_y[dir] + at->y;
812	tmp->map = op->map;	671	tmp->map = op->map;
813	if (head)	672	if (head)
814	{	673	{
815	tmp->head = head;	674	tmp->head = head;
816	prev->more = tmp;	675	prev->more = tmp;
817	}	676	}
		677
818	if (!head)	678	if (!head)
819	head = tmp;	679	head = tmp;
		680
820	prev = tmp;	681	prev = tmp;
		682
821	at = at->more;	683	at = (archetype *)at->more;
822	}	684	}
823		685
824	if (head->randomitems)	686	if (head->randomitems)
825	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	687	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
826		688
827	insert_ob_in_map (head, op->map, op, 0);	689	insert_ob_in_map (head, op->map, op, 0);
828		690
829	/* thought it'd be cool to insert a burnout, too. */	691	/* thought it'd be cool to insert a burnout, too. */
830	tmp = get_archetype ("burnout");	692	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
831	tmp->map = op->map;
832	tmp->x = op->x + freearr_x[dir];
833	tmp->y = op->y + freearr_y[dir];
834	insert_ob_in_map (tmp, op->map, op, 0);
835	}	693	}
836	}	694	}
837		695
838	/* peterm: function which summons hostile monsters and	696	/* peterm: function which summons hostile monsters and
839	* places them in nearby squares.	697	* places them in nearby squares.
…		…
846	* Note that this is not used by any spells (summon evil monsters	704	* Note that this is not used by any spells (summon evil monsters
847	* use to call this, but best I can tell, that spell/ability was	705	* use to call this, but best I can tell, that spell/ability was
848	* never used. This is however used by various failures on the	706	* never used. This is however used by various failures on the
849	* players part (alchemy, reincarnation, etc)	707	* players part (alchemy, reincarnation, etc)
850	*/	708	*/
851
852	int	709	int
853	summon_hostile_monsters (object *op, int n, const char *monstername)	710	summon_hostile_monsters (object *op, int n, const char *monstername)
854	{	711	{
855	int i;	712	int i;
856		713
…		…
866	{	723	{
867	int attacktype;	724	int attacktype;
868	int face;	725	int face;
869	} ATTACKS[22] =	726	} ATTACKS[22] =
870	{	727	{
871	{
872	AT_PHYSICAL, 0},	728	{ AT_PHYSICAL, 0},
873	{
874	AT_PHYSICAL, 0}, /*face = explosion */	729	{ AT_PHYSICAL, 0}, /*face = explosion */
875	{
876	AT_PHYSICAL, 0},	730	{ AT_PHYSICAL, 0},
877	{
878	AT_MAGIC, 1},	731	{ AT_MAGIC, 1},
879	{
880	AT_MAGIC, 1}, /* face = last-burnout */	732	{ AT_MAGIC, 1}, /* face = last-burnout */
881	{
882	AT_MAGIC, 1},	733	{ AT_MAGIC, 1},
883	{
884	AT_FIRE, 2},	734	{ AT_FIRE, 2},
885	{
886	AT_FIRE, 2}, /* face = fire.... */	735	{ AT_FIRE, 2}, /* face = fire.... */
887	{
888	AT_FIRE, 2},	736	{ AT_FIRE, 2},
889	{
890	AT_ELECTRICITY, 3},	737	{ AT_ELECTRICITY, 3},
891	{
892	AT_ELECTRICITY, 3}, /* ball_lightning */	738	{ AT_ELECTRICITY, 3}, /* ball_lightning */
893	{
894	AT_ELECTRICITY, 3},	739	{ AT_ELECTRICITY, 3},
895	{
896	AT_COLD, 4},	740	{ AT_COLD, 4},
897	{
898	AT_COLD, 4}, /* face=icestorm */	741	{ AT_COLD, 4}, /* face=icestorm */
899	{
900	AT_COLD, 4},	742	{ AT_COLD, 4},
901	{
902	AT_CONFUSION, 5},	743	{ AT_CONFUSION, 5},
903	{
904	AT_POISON, 7},	744	{ AT_POISON, 7},
905	{
906	AT_POISON, 7}, /* face = acid sphere. generator */	745	{ AT_POISON, 7}, /* face = acid sphere. generator */
907	{
908	AT_POISON, 7}, /* poisoncloud face */	746	{ AT_POISON, 7}, /* poisoncloud face */
909	{
910	AT_SLOW, 8},	747	{ AT_SLOW, 8},
911	{
912	AT_PARALYZE, 9},	748	{ AT_PARALYZE, 9},
913	{
914	AT_FEAR, 10}};	749	{ AT_FEAR, 10},
915		750	};
916
917		751
918	/* shuffle_attack: peterm	752	/* shuffle_attack: peterm
919	* This routine shuffles the attack of op to one of the	753	* This routine shuffles the attack of op to one of the
920	* ones in the list. It does this at random. It also	754	* ones in the list. It does this at random. It also
921	* chooses a face appropriate to the attack that is	755	* chooses a face appropriate to the attack that is
…		…
944	{	778	{
945	SET_ANIMATION (op, ATTACKS[i].face);	779	SET_ANIMATION (op, ATTACKS[i].face);
946	}	780	}
947	}	781	}
948		782
949
950	/* prayer_failure: This is called when a player fails	783	/* prayer_failure: This is called when a player fails
951	* at casting a prayer.	784	* at casting a prayer.
952	* op is the player.	785	* op is the player.
953	* failure is basically how much grace they had.	786	* failure is basically how much grace they had.
954	* power is how much grace the spell would normally take to cast.	787	* power is how much grace the spell would normally take to cast.
955	*/	788	*/
956		789	static void
957	void
958	prayer_failure (object *op, int failure, int power)	790	prayer_failure (object *op, int failure, int power)
959	{	791	{
960	const char *godname;	792	const char *godname;
961	object *tmp;	793	object *tmp;
962		794
…		…
966	if (failure <= -20 && failure > -40) /* wonder */	798	if (failure <= -20 && failure > -40) /* wonder */
967	{	799	{
968	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	800	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);
969	tmp = get_archetype (SPELL_WONDER);	801	tmp = get_archetype (SPELL_WONDER);
970	cast_cone (op, op, 0, tmp);	802	cast_cone (op, op, 0, tmp);
971	free_object (tmp);	803	tmp->destroy ();
972	}	804	}
973		805
974	else if (failure <= -40 && failure > -60) /* confusion */	806	else if (failure <= -40 && failure > -60) /* confusion */
975	{	807	{
976	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	808	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");
…		…
1010	if (failure <= -20 && failure > -40) /* wonder */	842	if (failure <= -20 && failure > -40) /* wonder */
1011	{	843	{
1012	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	844	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");
1013	tmp = get_archetype (SPELL_WONDER);	845	tmp = get_archetype (SPELL_WONDER);
1014	cast_cone (op, op, 0, tmp);	846	cast_cone (op, op, 0, tmp);
1015	free_object (tmp);	847	tmp->destroy ();
1016	}	848	}
1017		849
1018	else if (failure <= -40 && failure > -60) /* confusion */	850	else if (failure <= -40 && failure > -60) /* confusion */
1019	{	851	{
1020	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	852	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");
…		…
1039	else	871	else
1040	{	872	{
1041	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	873	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1042	tmp = get_archetype (LOOSE_MANA);	874	tmp = get_archetype (LOOSE_MANA);
1043	tmp->level = skill->level;	875	tmp->level = skill->level;
1044	tmp->x = op->x;
1045	tmp->y = op->y;
1046		876
1047	/* increase the area of destruction a little for more powerful spells */	877	/* increase the area of destruction a little for more powerful spells */
1048	tmp->range += isqrt (power);	878	tmp->range += isqrt (power);
1049		879
1050	if (power > 25)	880	if (power > 25)
1051	tmp->stats.dam = 25 + isqrt (power);	881	tmp->stats.dam = 25 + isqrt (power);
1052	else	882	else
1053	tmp->stats.dam = power; /* nasty recoils! */	883	tmp->stats.dam = power; /* nasty recoils! */
1054		884
1055	tmp->stats.maxhp = tmp->count;	885	tmp->stats.maxhp = tmp->count;
1056	insert_ob_in_map (tmp, op->map, NULL, 0);	886
		887	tmp->insert_at (op);
1057	}	888	}
1058	}	889	}
1059	}	890	}
1060		891
1061	int	892	static int
1062	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	893	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1063	{	894	{
1064	int success;
1065	player *pl;
1066	object *spell;
1067
1068	if (!spell_ob->other_arch)	895	if (!spell_ob->other_arch)
1069	{	896	{
1070	LOG (llevError, "cast_party_spell: empty other arch\n");	897	LOG (llevError, "cast_party_spell: empty other arch\n");
1071	return 0;	898	return 0;
1072	}	899	}
		900
1073	spell = arch_to_object (spell_ob->other_arch);	901	object *spell = arch_to_object (spell_ob->other_arch);
1074		902
1075	/* Always cast spell on caster */	903	/* Always cast spell on caster */
1076	success = cast_spell (op, caster, dir, spell, stringarg);	904	int success = cast_spell (op, caster, dir, spell, spellparam);
1077		905
1078	if (caster->contr->party == NULL)	906	if (!op->contr || !op->contr->party)
1079	{	907	{
1080	remove_ob (spell);	908	spell->remove ();
1081	return success;	909	return success;
1082	}	910	}
1083	for (pl = first_player; pl != NULL; pl = pl->next)	911
1084	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	912	for_all_players (pl)
1085	{	913	if ((pl->ob->contr->party == op->contr->party)
		914	&& on_same_map (pl->ob, op)
		915	&& pl->ob != op)
1086	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	916	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1087	}	917
1088	remove_ob (spell);	918	spell->remove ();
1089	return success;	919	return success;
1090	}	920	}
1091		921
1092	/* This is where the main dispatch when someone casts a spell.	922	/* This is where the main dispatch when someone casts a spell.
1093	*	923	*
…		…
1097	* same as op.	927	* same as op.
1098	* dir is the direction to cast in. Note in some cases, if the spell	928	* dir is the direction to cast in. Note in some cases, if the spell
1099	* is self only, dir really doesn't make a difference.	929	* is self only, dir really doesn't make a difference.
1100	* spell_ob is the spell object that is being cast. From that,	930	* spell_ob is the spell object that is being cast. From that,
1101	* we can determine what to do.	931	* we can determine what to do.
1102	* stringarg is any options that are being used. It can be NULL. Almost	932	* spellparam is any options that are being used. It can be NULL. Almost
1103	* certainly, only players will set it. It is basically used as optional	933	* certainly, only players will set it. It is basically used as optional
1104	* parameters to a spell (eg, item to create, information for marking runes,	934	* parameters to a spell (eg, item to create, information for marking runes,
1105	* etc.	935	* etc.
1106	* returns 1 on successful cast, or 0 on error. These values should really	936	* returns 1 on successful cast, or 0 on error. These values should really
1107	* be swapped, so that 0 is successful, and non zero is failure, with a code	937	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1114	*	944	*
1115	* if it is a player casting the spell (op->type == PLAYER, op == caster),	945	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1116	* this function will decrease the mana/grace appropriately. For other	946	* this function will decrease the mana/grace appropriately. For other
1117	* objects, the caller should do what it considers appropriate.	947	* objects, the caller should do what it considers appropriate.
1118	*/	948	*/
1119
1120	int	949	int
1121	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	950	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1122	{	951	{
1123	const char *godname;	952	const char *godname;
1124	int success = 0, mflags, cast_level = 0, old_shoottype;	953	int success = 0;
1125	object *skill = NULL;	954	object *skill = NULL;
1126
1127	old_shoottype = op->contr ? op->contr->shoottype : 0;
1128		955
1129	if (!spell_ob)	956	if (!spell_ob)
1130	{	957	{
1131	LOG (llevError, "cast_spell: null spell object passed\n");	958	LOG (llevError, "cast_spell: null spell object passed\n");
1132	return 0;	959	return 0;
…		…
1143	}	970	}
1144		971
1145	/* if caster is a spell casting object, this normally shouldn't be	972	/* if caster is a spell casting object, this normally shouldn't be
1146	* an issue, because they don't have any spellpaths set up.	973	* an issue, because they don't have any spellpaths set up.
1147	*/	974	*/
1148	if (caster->path_denied & spell_ob->path_attuned)	975	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))
1149	{	976	{
1150	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	977	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");
1151	return 0;	978	return 0;
1152	}	979	}
1153		980
…		…
1160	* need to have the right skill pointer passed, so we need to	987	* need to have the right skill pointer passed, so we need to
1161	* at least process that code.	988	* at least process that code.
1162	*/	989	*/
1163	if (op->type == PLAYER && op == caster)	990	if (op->type == PLAYER && op == caster)
1164	{	991	{
1165	cast_level = caster_level (caster, spell_ob);
1166	if (spell_ob->skill)	992	if (spell_ob->skill)
1167	{	993	{
1168	skill = find_skill_by_name (op, spell_ob->skill);	994	skill = find_skill_by_name (op, spell_ob->skill);
		995
1169	if (!skill)	996	if (!skill)
1170	{	997	{
1171	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	998	op->failmsg (format ("You need the skill %s to cast %s! "
		999	"H<You either need to learn the skill via a skill scroll "
		1000	"or you need to wear a talisman or holy symbol.>",
		1001	&spell_ob->skill, &spell_ob->name));
1172	return 0;	1002	return 0;
1173	}	1003	}
1174	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1004
		1005	const char *msg = "";
		1006
		1007	int caster_level = skill->level;
		1008
		1009	if (op->path_attuned & spell_ob->path_attuned)
1175	{	1010	{
1176	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1011	caster_level += min (caster_level, ATTUNE_REPELL);
		1012	msg = " (attuned)";
		1013	}
		1014
		1015	if (op->path_repelled & spell_ob->path_attuned)
		1016	{
		1017	caster_level -= ATTUNE_REPELL; // negative is ok
		1018	msg = " (repelled)";
		1019	}
		1020
		1021	if (spell_ob->level > caster_level)
		1022	{
		1023	op->failmsg (format ("You lack enough skill to cast that spell! "
		1024	"H<Your effective cast level is %d%s, but level %d is required.>",
		1025	caster_level, msg, spell_ob->level));
		1026	if (!op->is_wiz ())
1177	return 0;	1027	return 0;
1178	}	1028	}
1179	}	1029	}
		1030
1180	/* If the caster is the wiz, they don't ever fail, and don't have	1031	/* If the caster is the wiz, they don't ever fail, and don't have
1181	* to have sufficient grace/mana.	1032	* to have sufficient grace/mana.
1182	*/	1033	*/
1183	if (!QUERY_FLAG (op, FLAG_WIZ))	1034	if (!QUERY_FLAG (op, FLAG_WIZCAST))
1184	{	1035	{
1185	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1036	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1186	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1037	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1187	{	1038	{
1188	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1039	op->failmsg ("You don't have enough mana!");
1189	return 0;	1040	return 0;
1190	}	1041	}
		1042
1191	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1043	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1192	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1044	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1193	{	1045	{
1194	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1046	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1195	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1047	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1196	{
1197	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1048	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1198	}
1199	else	1049	else
1200	{	1050	{
1201	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1051	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1202	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1052	op->failmsg (format ("%s ignores your prayer.", godname));
1203	return 0;	1053	return 0;
1204	}	1054	}
1205	}	1055	}
1206		1056
1207	/* player/monster is trying to cast the spell. might fumble it */	1057	/* player/monster is trying to cast the spell. might fumble it */
1208	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1058	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1209	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1059	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1210	{	1060	{
1211	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1061	op->contr->play_sound (sound_find ("fumble_spell"));
1212	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1062	op->failmsg ("You fumble the prayer.");
1213	if (settings.casting_time == TRUE)	1063
1214	{
1215	op->casting_time = -1;
1216	}
1217	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1064	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1218	return 0;	1065	return 0;
1219	}	1066	}
1220	else if (spell_ob->stats.sp)	1067	else if (spell_ob->stats.sp)
1221	{	1068	{
1222	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1069	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1223		1070
1224	if (failure < 0)	1071	if (failure < 0)
1225	{	1072	{
1226	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1073	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1227	if (settings.spell_failure_effects == TRUE)	1074	if (settings.spell_failure_effects == TRUE)
1228	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1075	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1229	op->contr->shoottype = (rangetype) old_shoottype;	1076
1230	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1077	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1231	return 0;	1078	return 0;
1232	}	1079	}
1233	}	1080	}
1234	}	1081	}
1235	}	1082	}
1236		1083
1237	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1084	int mflags = op->ms ().flags ();
1238		1085
1239	/* See if we can cast a spell here. If the caster and op are	1086	/* See if we can cast a spell here. If the caster and op are
1240	* not alive, then this would mean that the mapmaker put the	1087	* not alive, then this would mean that the mapmaker put the
1241	* objects on the space - presume that they know what they are	1088	* objects on the space - presume that they know what they are
1242	* doing.	1089	* doing.
1243	*/	1090	*/
1244		1091
1245	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1092	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1246	{	1093	{
1247	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1094	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1248	return 0;	1095	return 0;
1249	}	1096	}
1250		1097
1251	if ((spell_ob->type == SPELL)	1098	if ((spell_ob->type == SPELL)
1252	&& (caster->type != POTION)	1099	&& (caster->type != POTION)
…		…
1257	{	1104	{
1258	if (op->type != PLAYER)	1105	if (op->type != PLAYER)
1259	return 0;	1106	return 0;
1260		1107
1261	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1108	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1262	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1109	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1263	else	1110	else if (object *item = op->contr->ranged_ob)
1264	switch (op->contr->shoottype)
1265	{	1111	{
1266	case range_magic:	1112	if (item->type == SPELL)
1267	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1113	op->failmsg ("Something blocks your spellcasting.");
1268	break;	1114	else if (item->type == SCROLL)
1269	case range_misc:	1115	op->failmsg ("Something blocks the magic of your scroll.");
1270	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1271	break;
1272	case range_golem:
1273	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1274	break;
1275	default:
1276	break;
1277	}
1278	return 0;
1279	}
1280
1281	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1282	{
1283	if (op->casting_time == -1)
1284	{ /* begin the casting */
1285	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1286	op->spell = spell_ob;
1287	/* put the stringarg into the object struct so that when the
1288	* spell is actually cast, it knows about the stringarg.
1289	* necessary for the invoke command spells.
1290	*/
1291	if (stringarg)
1292	{
1293	op->spellarg = strdup_local (stringarg);
1294	}
1295	else	1116	else
1296	op->spellarg = NULL;	1117	op->failmsg ("Something blocks the magic of your item.");
1297	return 0;
1298	}
1299	else if (op->casting_time != 0)
1300	{
1301	if (op->type == PLAYER)
1302	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1303	return 0;
1304	}	1118	}
1305	else	1119	else
1306	{ /* casting_time == 0 */	1120	op->failmsg ("Something blocks the spell!");
1307	op->casting_time = -1;	1121
1308	spell_ob = op->spell;	1122	return 0;
1309	stringarg = op->spellarg;
1310	}
1311	}
1312	else
1313	{	1123	}
		1124
1314	/* Take into account how long it takes to cast the spell.	1125	/* Take into account how long it takes to cast the spell.
1315	* if the player is casting it, then we use the time in	1126	* if the player is casting it, then we use the time in
1316	* the spell object. If it is a spell object, have it	1127	* the spell object. If it is a spell object, have it
1317	* take two ticks. Things that cast spells on the players	1128	* take two ticks. Things that cast spells on the players
1318	* behalf (eg, altars, and whatever else) shouldn't cost	1129	* behalf (eg, altars, and whatever else) shouldn't cost
1319	* the player any time.	1130	* the player any time.
1320	* Ignore casting time for firewalls	1131	* Ignore casting time for firewalls
		1132	*/
		1133	if (caster == op && caster->type != FIREWALL)
		1134	{
		1135	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1136	/* Other portions of the code may also decrement the speed of the player, so
		1137	* put a lower limit so that the player isn't stuck here too long
1321	*/	1138	*/
1322	if (caster == op && caster->type != FIREWALL)
1323	{
1324	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1325	/* Other portions of the code may also decrement the speed of the player, so
1326	* put a lower limit so that the player isn't stuck here too long
1327	*/
1328	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1139	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1329	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1140	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1330	}	1141	}
1331	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1142	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1332	{
1333	op->speed_left -= 2 * FABS (op->speed);	1143	op->speed_left -= 2 * FABS (op->speed);
1334	}
1335	}
1336		1144
1337	if (op->type == PLAYER && op == caster)	1145	if (op->type == PLAYER && op == caster)
1338	{	1146	{
1339	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1147	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1340	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1148	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1347	if (op != caster && !skill && caster->skill)	1155	if (op != caster && !skill && caster->skill)
1348	{	1156	{
1349	skill = find_skill_by_name (op, caster->skill);	1157	skill = find_skill_by_name (op, caster->skill);
1350	if (!skill)	1158	if (!skill)
1351	{	1159	{
1352	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1160	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1353	return 0;	1161	return 0;
1354	}	1162	}
		1163
1355	change_skill (op, skill, 0); /* needed for proper exp credit */	1164	op->change_skill (skill); /* needed for proper exp credit */
1356	}	1165	}
		1166
		1167	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1168	return RESULT_INT (0);
1357		1169
1358	switch (spell_ob->subtype)	1170	switch (spell_ob->subtype)
1359	{	1171	{
1360	/* The order of case statements is same as the order they show up	1172	/* The order of case statements is same as the order they show up
1361	* in in spells.h.	1173	* in spells.h.
1362	*/	1174	*/
1363	case SP_RAISE_DEAD:	1175	case SP_RAISE_DEAD:
1364	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1176	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1365	break;	1177	break;
1366		1178
1367	case SP_RUNE:	1179	case SP_RUNE:
1368	success = write_rune (op, caster, spell_ob, dir, stringarg);	1180	success = write_rune (op, caster, spell_ob, dir, spellparam);
1369	break;	1181	break;
1370		1182
1371	case SP_MAKE_MARK:	1183	case SP_MAKE_MARK:
1372	success = write_mark (op, spell_ob, stringarg);	1184	success = write_mark (op, spell_ob, spellparam);
1373	break;	1185	break;
1374		1186
1375	case SP_BOLT:	1187	case SP_BOLT:
1376	success = fire_bolt (op, caster, dir, spell_ob, skill);	1188	success = fire_bolt (op, caster, dir, spell_ob, skill);
1377	break;	1189	break;
…		…
1395	case SP_SMITE:	1207	case SP_SMITE:
1396	success = cast_smite_spell (op, caster, dir, spell_ob);	1208	success = cast_smite_spell (op, caster, dir, spell_ob);
1397	break;	1209	break;
1398		1210
1399	case SP_MAGIC_MISSILE:	1211	case SP_MAGIC_MISSILE:
1400	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1212	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1401	break;	1213	break;
1402		1214
1403	case SP_SUMMON_GOLEM:	1215	case SP_SUMMON_GOLEM:
1404	success = summon_golem (op, caster, dir, spell_ob);	1216	success = summon_golem (op, caster, dir, spell_ob);
1405	old_shoottype = range_golem;
1406	break;	1217	break;
1407		1218
1408	case SP_DIMENSION_DOOR:	1219	case SP_DIMENSION_DOOR:
1409	/* dimension door needs the actual caster, because that is what is	1220	/* dimension door needs the actual caster, because that is what is
1410	* moved.	1221	* moved.
1411	*/	1222	*/
1412	success = dimension_door (op, caster, spell_ob, dir);	1223	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1413	break;	1224	break;
1414		1225
1415	case SP_MAGIC_MAPPING:	1226	case SP_MAGIC_MAPPING:
1416	if (op->type == PLAYER)	1227	if (op->type == PLAYER)
1417	{	1228	{
…		…
1450	case SP_HEALING:	1261	case SP_HEALING:
1451	success = cast_heal (op, caster, spell_ob, dir);	1262	success = cast_heal (op, caster, spell_ob, dir);
1452	break;	1263	break;
1453		1264
1454	case SP_CREATE_FOOD:	1265	case SP_CREATE_FOOD:
1455	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1266	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1456	break;	1267	break;
1457		1268
1458	case SP_EARTH_TO_DUST:	1269	case SP_EARTH_TO_DUST:
1459	success = cast_earth_to_dust (op, caster, spell_ob);	1270	success = cast_earth_to_dust (op, caster, spell_ob);
1460	break;	1271	break;
…		…
1470	case SP_CURSE:	1281	case SP_CURSE:
1471	success = cast_curse (op, caster, spell_ob, dir);	1282	success = cast_curse (op, caster, spell_ob, dir);
1472	break;	1283	break;
1473		1284
1474	case SP_SUMMON_MONSTER:	1285	case SP_SUMMON_MONSTER:
1475	success = summon_object (op, caster, spell_ob, dir, stringarg);	1286	success = summon_object (op, caster, spell_ob, dir, spellparam);
1476	break;	1287	break;
1477		1288
1478	case SP_CHARGING:	1289	case SP_CHARGING:
1479	success = recharge (op, caster, spell_ob);	1290	success = recharge (op, caster, spell_ob);
1480	break;	1291	break;
…		…
1483	#ifdef NO_POLYMORPH	1294	#ifdef NO_POLYMORPH
1484	/* Not great, but at least provide feedback so if players do have	1295	/* Not great, but at least provide feedback so if players do have
1485	* polymorph (ie, find it as a preset item or left over from before	1296	* polymorph (ie, find it as a preset item or left over from before
1486	* it was disabled), they get some feedback.	1297	* it was disabled), they get some feedback.
1487	*/	1298	*/
1488	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1299	op->failmsg ("The spell fizzles!");
1489	success = 0;	1300	success = 0;
1490	#else	1301	#else
1491	success = cast_polymorph (op, caster, spell_ob, dir);	1302	success = cast_polymorph (op, caster, spell_ob, dir);
1492	#endif	1303	#endif
1493	break;	1304	break;
…		…
1513	break;	1324	break;
1514		1325
1515	case SP_MOVING_BALL:	1326	case SP_MOVING_BALL:
1516	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1327	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1517	{	1328	{
1518	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1329	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1519	success = 0;	1330	success = 0;
1520	}	1331	}
1521	else	1332	else
1522	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1333	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1523	break;	1334	break;
1524		1335
1525	case SP_SWARM:	1336	case SP_SWARM:
1526	success = fire_swarm (op, caster, spell_ob, dir);	1337	success = fire_swarm (op, caster, spell_ob, dir);
1527	break;	1338	break;
…		…
1534	/* in rune.c */	1345	/* in rune.c */
1535	success = dispel_rune (op, caster, spell_ob, skill, dir);	1346	success = dispel_rune (op, caster, spell_ob, skill, dir);
1536	break;	1347	break;
1537		1348
1538	case SP_CREATE_MISSILE:	1349	case SP_CREATE_MISSILE:
1539	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1350	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1540	break;	1351	break;
1541		1352
1542	case SP_CONSECRATE:	1353	case SP_CONSECRATE:
1543	success = cast_consecrate (op, caster, spell_ob);	1354	success = cast_consecrate (op, caster, spell_ob);
1544	break;	1355	break;
1545		1356
1546	case SP_ANIMATE_WEAPON:	1357	case SP_ANIMATE_WEAPON:
1547	success = animate_weapon (op, caster, spell_ob, dir);	1358	success = animate_weapon (op, caster, spell_ob, dir);
1548	old_shoottype = range_golem;
1549	break;	1359	break;
1550		1360
1551	case SP_LIGHT:	1361	case SP_LIGHT:
1552	success = cast_light (op, caster, spell_ob, dir);	1362	success = cast_light (op, caster, spell_ob, dir);
1553	break;	1363	break;
…		…
1566		1376
1567	case SP_AURA:	1377	case SP_AURA:
1568	success = create_aura (op, caster, spell_ob);	1378	success = create_aura (op, caster, spell_ob);
1569	break;	1379	break;
1570		1380
1571	case SP_TOWN_PORTAL:
1572	success = cast_create_town_portal (op, caster, spell_ob, dir);
1573	break;
1574
1575	case SP_PARTY_SPELL:	1381	case SP_PARTY_SPELL:
1576	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1382	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1577	break;	1383	break;
1578		1384
1579	default:	1385	default:
1580	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1581	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1386	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1582	}
1583
1584	/* FIXME - we need some better sound suppport */
1585	// yes, for example, augment map info with the spell effect
1586	// so clients can calculate the sounds themselves
1587	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1588
1589	/* free the spell arg */
1590	if (settings.casting_time == TRUE && stringarg)
1591	{	1387	}
1592	free (stringarg);	1388
1593	stringarg = NULL;	1389	op->play_sound (
1594	}	1390	success
1595	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1391	? spell_ob->sound
1596	* to something like use_magic_item, but you really want to be able to fire	1392	? spell_ob->sound
1597	* it again.	1393	: sound_find ("spell_success")
1598	*/	1394	: sound_find ("fumble_spell")
1599	if (op->contr)	1395	);
1600	op->contr->shoottype = (rangetype) old_shoottype;
1601		1396
1602	return success;	1397	return success;
1603	}	1398	}
1604		1399
1605
1606	/* This is called from time.c/process_object(). That function	1400	/* This is called from time.c/process_object(). That function
1607	* calls this for any SPELL_EFFECT type objects. This function	1401	* calls this for any SPELL_EFFECT type objects. This function
1608	* then dispatches them to the appropriate specific routines.	1402	* then dispatches them to the appropriate specific routines.
1609	*/	1403	*/
1610	void	1404	void
1611	move_spell_effect (object *op)	1405	move_spell_effect (object *op)
1612	{	1406	{
…		…
1655	}	1449	}
1656		1450
1657	/* this checks to see if something special should happen if	1451	/* this checks to see if something special should happen if
1658	* something runs into the object.	1452	* something runs into the object.
1659	*/	1453	*/
1660	void	1454	static void
1661	check_spell_effect (object *op)	1455	check_spell_effect (object *op)
1662	{	1456	{
1663	switch (op->subtype)	1457	switch (op->subtype)
1664	{	1458	{
1665	case SP_BOLT:	1459	case SP_BOLT:
…		…
1670	check_bullet (op);	1464	check_bullet (op);
1671	return;	1465	return;
1672	}	1466	}
1673	}	1467	}
1674		1468
1675	/* This is called by move_apply. Basically, if someone	1469	/* This is called by move_apply. Basically, if someone
1676	* moves onto a spell effect and the walk_on or fly_on flags	1470	* moves onto a spell effect and the walk_on or fly_on flags
1677	* are set, this is called. This should only be called for	1471	* are set, this is called. This should only be called for
1678	* objects of the appropraite type.	1472	* objects of the appropriate type.
1679	*/	1473	*/
1680	void	1474	void
1681	apply_spell_effect (object *spell, object *victim)	1475	apply_spell_effect (object *spell, object *victim)
1682	{	1476	{
1683	switch (spell->subtype)	1477	switch (spell->subtype)
…		…
1688	break;	1482	break;
1689		1483
1690	case SP_MAGIC_MISSILE:	1484	case SP_MAGIC_MISSILE:
1691	if (QUERY_FLAG (victim, FLAG_ALIVE))	1485	if (QUERY_FLAG (victim, FLAG_ALIVE))
1692	{	1486	{
1693	tag_t spell_tag = spell->count;
1694
1695	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1487	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1696	if (!was_destroyed (spell, spell_tag))	1488	spell->destroy ();
1697	{
1698	remove_ob (spell);
1699	free_object (spell);
1700	}
1701	}	1489	}
1702	break;	1490	break;
1703		1491
1704	case SP_MOVING_BALL:	1492	case SP_MOVING_BALL:
1705	if (QUERY_FLAG (victim, FLAG_ALIVE))	1493	if (QUERY_FLAG (victim, FLAG_ALIVE))
1706	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1494	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1707	else if (victim->material || victim->materialname)	1495	else if (victim->materialname)
1708	save_throw_object (victim, spell->attacktype, spell);	1496	save_throw_object (victim, spell->attacktype, spell);
		1497
1709	break;	1498	break;
1710	}	1499	}
1711	}	1500	}
		1501
		1502	/**
		1503	* This function will let a fireball explode at the position of
		1504	* the victim with a specific maximum level.
		1505	*/
		1506	void
		1507	create_exploding_ball_at (object *victim, int level)
		1508	{
		1509	object *ball = get_archetype (EXPLODING_FIREBALL);
		1510	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1511	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1512	ball->insert_at (victim);
		1513	}

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