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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.54 by root, Sun Jul 1 05:00:20 2007 UTC vs.
Revision 1.131 by root, Sat Nov 17 23:40:04 2018 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
		5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	9	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	10	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	11	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	12	* option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	17	* GNU General Public License for more details.
17	*	18	*
18	* You should have received a copy of the GNU General Public License	19	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	20	* and the GNU General Public License along with this program. If not, see
		21	* <http://www.gnu.org/licenses/>.
20	*	22	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	23	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	24	*/
23		25
24	#include <global.h>	26	#include <global.h>
25	#include <spells.h>	27	#include <spells.h>
26	#include <object.h>	28	#include <object.h>
…		…
33	/* This returns a random spell from 'ob'. If skill is set, then	35	/* This returns a random spell from 'ob'. If skill is set, then
34	* the spell must be of this skill, it can be NULL in which case all	36	* the spell must be of this skill, it can be NULL in which case all
35	* matching spells are used.	37	* matching spells are used.
36	*/	38	*/
37	object *	39	object *
38	find_random_spell_in_ob (object *ob, const char *skill)	40	find_random_spell_in_ob (object *ob, shstr_cmp skill)
39	{	41	{
40	int k = 0, s;	42	int k = 0, s;
41	object *tmp;
42		43
43	for (tmp = ob->inv; tmp; tmp = tmp->below)	44	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	45	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
45	k++;	46	k++;
46		47
47	/* No spells, no need to progess further */	48	/* No spells, no need to progess further */
48	if (!k)	49	if (!k)
49	return NULL;	50	return NULL;
50		51
51	s = RANDOM () % k;	52	s = rndm (k);
52		53
53	for (tmp = ob->inv; tmp; tmp = tmp->below)	54	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	55	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
55	{
56	if (!s)	56	if (!s)
57	return tmp;	57	return tmp;
58	else	58	else
59	s--;	59	s--;
60	}	60
61	/* Should never get here, but just in case */	61	/* Should never get here, but just in case */
62	return NULL;	62	return 0;
63	}	63	}
64		64
65	/* Relatively simple function that gets used a lot.	65	/* Relatively simple function that gets used a lot.
66	* Basically, it sets up the skill pointer for the spell being	66	* Basically, it sets up the skill pointer for the spell being
67	* cast. If op is really casting the spell, then the skill	67	* cast. If op is really casting the spell, then the skill
…		…
77	dest->skill = spob->skill;	77	dest->skill = spob->skill;
78	else	78	else
79	dest->skill = caster->skill;	79	dest->skill = caster->skill;
80	}	80	}
81		81
82	/* init_spells: This should really be called check_spells, as that
83	* is what it does. It goes through the spells looking for any
84	* obvious errors. This was most useful in debugging when re-doing
85	* all the spells to catch simple errors. To use it all the time
86	* will result in it spitting out messages that aren't really errors.
87	*/
88	void
89	init_spells (void)
90	{
91	#ifdef SPELL_DEBUG
92	static int init_spells_done = 0;
93	int i;
94	archetype *at;
95
96	if (init_spells_done)
97	return;
98	LOG (llevDebug, "Checking spells...\n");
99
100	for_all_archetypes (at)
101	{
102	if (at->type == SPELL)
103	{
104	if (at->skill)
105	{
106	for (i = 1; i < NUM_SKILLS; i++)
107	if (!strcmp (skill_names[i], at->skill))
108	break;
109	if (i == NUM_SKILLS)
110	{
111	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->skill);
112	}
113	}
114	/* other_arch is already checked for in the loader */
115	}
116	}
117
118	i = 0;
119	while (spell_mapping[i])
120	{
121	if (!archetype::find (spell_mapping[i]))
122	{
123	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
124	}
125	i++;
126	}
127	LOG (llevDebug, "Checking spells completed.\n");
128	#endif
129	}
130
131	/* Dumps all the spells - now also dumps skill associated with the spell.
132	* not sure what this would be used for, as the data seems pretty
133	* minimal, but easy enough to keep around.
134	*/
135	void
136	dump_spells (void)
137	{
138	archetype *at;
139
140	for_all_archetypes (at)
141	{
142	if (at->type == SPELL)
143	{
144	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->object::name,
145	&at->archname, at->other_arch ? &at->other_arch->archname : "<nil>", &at->skill, at->level);
146	}
147	}
148	}
149
150	/* pretty basic function - basically just takes	82	/* pretty basic function - basically just takes
151	* 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
152	*/	84	*/
153	void	85	void
154	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)
155	{	87	{
156	if (spob->other_arch)	88	if (spob->other_arch)
157	map->insert (arch_to_object (spob->other_arch), x, y, originator);	89	map->insert (spob->other_arch->instance (), x, y, originator);
158	}	90	}
159		91
160	/*	92	static int
161	* This function takes a caster and spell and presents the	93	attuned_bonus (object *caster, object *spell, int level)
162	* effective level the caster needs to be to cast the spell.
163	* basically, it just adjusts the spell->level with attuned/repelled
164	* spellpaths. Was called path_level_mod.
165	*
166	* caster is person casting the spell.
167	* spell is the spell object.
168	* Returns modified level.
169	*/
170	int
171	min_casting_level (object *caster, object *spell)
172	{	94	{
173	int new_level;	95	// compute the attuned/repelled bonus
174		96	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
175	if (caster->path_denied & spell->path_attuned)	97	// repell has no such quarrels
176	return 1;	98	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
177
178	new_level = spell->level
179	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)	99	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
180	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
181
182	return max (1, new_level);
183	}	100	}
184		101
185	/* This function returns the effective level the spell	102	/* This function returns the effective level the spell
186	* is being cast at.	103	* is being cast at.
187	* Note that I changed the repelled/attuned bonus to 2 from 5.
188	* This is because the new code compares casting_level against
189	* min_caster_level, so the difference is effectively 4
190	*/	104	*/
191	int	105	int
192	caster_level (object *caster, object *spell)	106	casting_level (object *caster, object *spell)
193	{	107	{
194	int level = caster->level;	108	int level = caster->level;
195
196	/* If this is a player, try to find the matching skill */
197	if (caster->type == PLAYER && spell->skill)
198	for (int i = 0; i < NUM_SKILLS; i++)
199	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
200	{
201	level = caster->contr->last_skill_ob[i]->level;
202	break;
203	}
204		109
205	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	110	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
206	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	111	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
207	{	112	{
208	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	113	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
209	int sk_level = skill ? skill->level : 1;	114	int sk_level = skill ? skill->level : 1;
210		115
211	level = MIN (level, sk_level + level / 10 + 1);	116	level = min (level, sk_level + level / 10 + 1);
212	}	117	}
		118	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		119	if (object *skill = caster->contr->find_skill (spell->skill))
		120	level = skill->level;
213		121
214	/* Got valid caster level. Now adjust for attunement */	122	int bonus = attuned_bonus (caster, spell, level);
215	level += caster->path_repelled & spell->path_attuned ? -2 : 0;	123
216	level += caster->path_attuned & spell->path_attuned ? +2 : 0;	124	level += bonus;
		125
		126	// now scale the effective level from the startinglevel..100 range to 1..100
		127	if (level < 100)
		128	level = lerp (level, (int)spell->level, 100, 1, 100);
217		129
218	/* Always make this at least 1. If this is zero, we get divide by zero	130	/* Always make this at least 1. If this is zero, we get divide by zero
219	* errors in various places.	131	* errors in various places.
220	*/	132	*/
221	return max (level, 1);	133	return clamp (level, 1, settings.max_level);
222	}	134	}
223		135
224	/* The following function scales the spellpoint cost of	136	/* The following function scales the spellpoint cost of
225	* a spell by it's increased effectiveness. Some of the	137	* a spell by it's increased effectiveness. Some of the
226	* lower level spells become incredibly vicious at high	138	* lower level spells become incredibly vicious at high
…		…
230	* caster is what is casting the spell, can be op.	142	* caster is what is casting the spell, can be op.
231	* spell is the spell object.	143	* spell is the spell object.
232	* Note that it is now possible for a spell to cost both grace and	144	* Note that it is now possible for a spell to cost both grace and
233	* mana. In that case, we return which ever value is higher.	145	* mana. In that case, we return which ever value is higher.
234	*/	146	*/
235
236	sint16	147	sint16
237	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	148	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
238	{	149	{
239	int sp, grace, level = caster_level (caster, spell);	150	int sp, grace, level = casting_level (caster, spell);
240		151
241	if (settings.spellpoint_level_depend == TRUE)	152	if (settings.spellpoint_level_depend == TRUE)
242	{	153	{
243	if (spell->stats.sp && spell->stats.maxsp)	154	if (spell->stats.sp && spell->stats.maxsp)
244	{
245	sp = (int) (spell->stats.sp * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxsp)));	155	sp = spell->stats.sp * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxsp));
246	}
247	else	156	else
248	sp = spell->stats.sp;	157	sp = spell->stats.sp;
249		158
250	sp *= (int) PATH_SP_MULT (caster, spell);	159	sp *= (int) PATH_SP_MULT (caster, spell);
251	if (!sp && spell->stats.sp)	160	if (!sp && spell->stats.sp)
252	sp = 1;	161	sp = 1;
253		162
254	if (spell->stats.grace && spell->stats.maxgrace)	163	if (spell->stats.grace && spell->stats.maxgrace)
255	{
256	grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace)));	164	grace = spell->stats.grace * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxgrace));
257	}
258	else	165	else
259	grace = spell->stats.grace;	166	grace = spell->stats.grace;
260		167
261	grace *= (int) PATH_SP_MULT (caster, spell);	168	grace *= PATH_SP_MULT (caster, spell);
262	if (spell->stats.grace && !grace)	169	if (spell->stats.grace && !grace)
263	grace = 1;	170	grace = 1;
264	}	171	}
265	else	172	else
266	{	173	{
267	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	174	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
268	if (spell->stats.sp && !sp)	175	if (spell->stats.sp && !sp)
269	sp = 1;	176	sp = 1;
		177
270	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	178	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
271	if (spell->stats.grace && !grace)	179	if (spell->stats.grace && !grace)
272	grace = 1;	180	grace = 1;
273	}	181	}
		182
274	if (flags == SPELL_HIGHEST)	183	if (flags == SPELL_HIGHEST)
275	return MAX (sp, grace);	184	return max (sp, grace);
276	else if (flags == SPELL_GRACE)	185	else if (flags == SPELL_GRACE)
277	return grace;	186	return grace;
278	else if (flags == SPELL_MANA)	187	else if (flags == SPELL_MANA)
279	return sp;	188	return sp;
280	else	189	else
…		…
282	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	191	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
283	return 0;	192	return 0;
284	}	193	}
285	}	194	}
286		195
		196	/*
		197	* Return the effective casting level of the spell.
		198	* To make spells independent of their starting level, this function
		199	* scales the range spellstartlevel .. 100 into the range 1..100
		200	*/
		201	static int
		202	SP_casting_level (object *caster, object *spell)
		203	{
		204	return casting_level (caster, spell);
		205	}
287		206
288	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	207	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
289	* spob is the spell we are adjusting.	208	* spob is the spell we are adjusting.
290	*/	209	*/
291	int	210	int
292	SP_level_dam_adjust (object *caster, object *spob)	211	SP_level_dam_adjust (object *caster, object *spob)
293	{	212	{
294	int level = caster_level (caster, spob);
295	int adj = level - min_casting_level (caster, spob);
296
297	if (adj < 0)
298	adj = 0;
299	if (spob->dam_modifier)	213	if (!spob->dam_modifier)
300	adj /= spob->dam_modifier;
301	else
302	adj = 0;
303	return adj;	214	return 0;
		215
		216	return SP_casting_level (caster, spob) / spob->dam_modifier;
304	}	217	}
305		218
306	/* Adjust the strength of the spell based on level.	219	/* Adjust the strength of the spell based on level.
307	* This is basically the same as SP_level_dam_adjust above,	220	* This is basically the same as SP_level_dam_adjust above,
308	* but instead looks at the level_modifier value.	221	* but instead looks at the level_modifier value.
309	*/	222	*/
310	int	223	int
311	SP_level_duration_adjust (object *caster, object *spob)	224	SP_level_duration_adjust (object *caster, object *spob)
312	{	225	{
313	int level = caster_level (caster, spob);
314	int adj = level - min_casting_level (caster, spob);
315
316	if (adj < 0)
317	adj = 0;
318	if (spob->duration_modifier)	226	if (!spob->duration_modifier)
319	adj /= spob->duration_modifier;
320	else
321	adj = 0;
322
323	return adj;	227	return 0;
		228
		229	return SP_casting_level (caster, spob) / spob->duration_modifier;
324	}	230	}
325		231
326	/* Adjust the strength of the spell based on level.	232	/* Adjust the strength of the spell based on level.
327	* This is basically the same as SP_level_dam_adjust above,	233	* This is basically the same as SP_level_dam_adjust above,
328	* but instead looks at the level_modifier value.	234	* but instead looks at the level_modifier value.
329	*/	235	*/
330	int	236	int
331	SP_level_range_adjust (object *caster, object *spob)	237	SP_level_range_adjust (object *caster, object *spob)
332	{	238	{
333	int level = caster_level (caster, spob);
334	int adj = level - min_casting_level (caster, spob);
335
336	if (adj < 0)
337	adj = 0;
338	if (spob->range_modifier)	239	if (!spob->range_modifier)
339	adj /= spob->range_modifier;
340	else
341	adj = 0;
342
343	return adj;	240	return 0;
		241
		242	return SP_casting_level (caster, spob) / spob->range_modifier;
344	}	243	}
345		244
346	/* Checks to see if player knows the spell. If the name is the same	245	/* Checks to see if player knows the spell. If the name is the same
347	* as an existing spell, we presume they know it.	246	* as an existing spell, we presume they know it.
348	* returns 1 if they know the spell, 0 if they don't.	247	* returns 1 if they know the spell, 0 if they don't.
349	*/	248	*/
350	object *	249	object *
351	check_spell_known (object *op, const char *name)	250	check_spell_known (object *op, shstr_cmp name)
352	{	251	{
353	object *spop;	252	object *spop;
354		253
355	for (spop = op->inv; spop; spop = spop->below)	254	for (spop = op->inv; spop; spop = spop->below)
356	if (spop->type == SPELL && !strcmp (spop->name, name))	255	if (spop->type == SPELL && spop->name == name)
357	return spop;	256	return spop;
358		257
359	return NULL;	258	return 0;
360	}	259	}
361		260
362		261	/*
363	/*
364	* Look at object 'op' and see if they know the spell	262	* Look at object 'op' and see if they know the spell
365	* spname. This is pretty close to check_spell_known	263	* spname. This is pretty close to check_spell_known
366	* above, but it uses a looser matching mechanism.	264	* above, but it uses a looser matching mechanism.
367	* returns the matching spell object, or NULL.	265	* returns the matching spell object, or NULL.
368	* If we match multiple spells but don't get an	266	* If we match multiple spells but don't get an
369	* exact match, we also return NULL.	267	* exact match, we also return NULL.
370	*/	268	*/
371
372	object *	269	object *
373	lookup_spell_by_name (object *op, const char *spname)	270	object::find_spell (const_utf8_string prefix) const
374	{	271	{
375	object *spob1 = NULL, *spob2 = NULL, *spob;	272	if (shstr_cmp name = prefix)
376	int nummatch = 0;	273	{
377		274	// case 1, match spell name exactly
378	if (spname == NULL)
379	return NULL;
380
381	/* Try to find the spell. We store the results in spob1
382	* and spob2 - spob1 is only taking the length of
383	* the past spname, spob2 uses the length of the spell name.
384	*/
385	for (spob = op->inv; spob; spob = spob->below)	275	for (object *spob = inv; spob; spob = spob->below)
		276	if (spob->name == name && spob->type == SPELL)
		277	return spob;
386	{	278	}
		279	else
		280	{
		281	// case 2, match prefix
		282	int len = strlen (prefix);
		283
		284	for (object *spob = inv; spob; spob = spob->below)
387	if (spob->type == SPELL)	285	if (spob->type == SPELL
388	{	286	&& spob->name.length () < len
389	if (!strncmp (spob->name, spname, strlen (spname)))	287	&& prefix [spob->name.length ()] <= ' '
390	{	288	&& !memcmp (prefix, spob->name, spob->name.length ()))
391	nummatch++;
392	spob1 = spob;
393	}
394	else if (!strncmp (spob->name, spname, strlen (spob->name)))
395	{
396	/* if spells have ambiguous names, it makes matching
397	* really difficult. (eg, fire and fireball would
398	* fall into this category). It shouldn't be hard to
399	* make sure spell names don't overlap in that fashion.
400	*/
401	if (spob2)
402	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
403	spob2 = spob;
404	}
405	}
406	}
407	/* if we have best match, return it. Otherwise, if we have one match
408	* on the loser match, return that, otehrwise null
409	*/
410	if (spob2)
411	return spob2;	289	return spob;
412	if (spob1 && nummatch == 1)	290	}
413	return spob1;	291
414	return NULL;	292	return 0;
415	}	293	}
416		294
417	/* reflwall - decides weither the (spell-)object sp_op will	295	/* reflwall - decides weither the (spell-)object sp_op will
418	* be reflected from the given mapsquare. Returns 1 if true.	296	* be reflected from the given mapsquare. Returns 1 if true.
419	* (Note that for living creatures there is a small chance that	297	* (Note that for living creatures there is a small chance that
…		…
422	* eg, updated for tiled maps.	300	* eg, updated for tiled maps.
423	*/	301	*/
424	int	302	int
425	reflwall (maptile *m, int x, int y, object *sp_op)	303	reflwall (maptile *m, int x, int y, object *sp_op)
426	{	304	{
427	object *op;
428
429	if (OUT_OF_REAL_MAP (m, x, y))	305	if (OUT_OF_REAL_MAP (m, x, y))
430	return 0;	306	return 0;
		307
431	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	308	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
432	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	309	if (op->flag [FLAG_REFL_SPELL]
433	&& (!QUERY_FLAG (op, FLAG_ALIVE)	310	&& (!op->flag [FLAG_ALIVE]
434	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	311	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
435	return 1;	312	return 1;
436		313
437	return 0;	314	return 0;
438	}	315	}
439		316
440	/* cast_create_object: creates object new_op in direction dir	317	/* cast_create_object: creates object new_op in direction dir
441	* or if that is blocked, beneath the player (op).	318	* or if that is blocked, beneath the player (op).
442	* we pass 'caster', but don't use it for anything.	319	* we pass 'caster', but don't use it for anything.
443	* This is really just a simple wrapper function .	320	* This is really just a simple wrapper function .
444	* returns the direction that the object was actually placed	321	* returns true to indicate whether the operation was successful.
445	* in.	322	* destroys the object is unsuccessful.
446	*/	323	*/
447	int	324	bool
448	cast_create_obj (object *op, object *caster, object *new_op, int dir)	325	cast_create_obj (object *op, object *caster, object *new_op, int dir)
449	{	326	{
450	maptile *m;	327	mapxy pos (op);
451	sint16 sx, sy;	328	pos.move (dir);
452		329
453	if (dir &&	330	if (!pos.normalise ()
454	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) ||	331	|| pos->blocks (op) // perversely enough, we check if the palyer can reach that space
455	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))	332	|| !new_op->can_drop_at (pos.m, pos.x, pos.y)
456	{	333	)
457	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
458	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
459	dir = 0;
460	}	334	{
		335	op->failmsg ("Your spell fizzles! H<Something is in the way.>");
		336	new_op->destroy ();
		337	return 0;
		338	}
461		339
462	op->map->insert (new_op,	340	new_op->set_flag (FLAG_IDENTIFIED);
463	op->x + freearr_x[dir], op->y + freearr_y[dir],
464	op,
465	dir ? 0 : INS_BELOW_ORIGINATOR);
466		341
		342	pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR);
		343
467	return dir;	344	return 1;
		345	}
		346
		347	static bool
		348	mergable_owner (object *o1, object *o2)
		349	{
		350	if (o1 == o2)
		351	return 1;
		352
		353	if (!o1 || !o2)
		354	return 0;
		355
		356	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		357	return 0;
		358
		359	if (o1->is_player () || o2->is_player ())
		360	return 0;
		361
		362	return 1;
468	}	363	}
469		364
470	/* Returns true if it is ok to put spell *op on the space/may provided.	365	/* Returns true if it is ok to put spell *op on the space/may provided.
471	* immune_stop is basically the attacktype of the spell (why	366	* immune_stop is basically the attacktype of the spell (why
472	* passed as a different value, not sure of). If immune_stop	367	* passed as a different value, not sure of). If immune_stop
473	* has the AT_MAGIC bit set, and there is a counterwall	368	* has the AT_MAGIC bit set, and there is a counterwall
474	* on the space, the object doesn't get placed. if immune stop	369	* on the space, the object doesn't get placed. if immune stop
475	* does not have AT_MAGIC, then counterwalls do not effect the spell.	370	* does not have AT_MAGIC, then counterwalls do not effect the spell.
476	*
477	*/	371	*/
478	int	372	int
479	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)	373	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
480	{	374	{
481	if (!xy_normalise (m, x, y))	375	if (!xy_normalise (m, x, y))
482	return 0;	376	return 0;
483		377
484	mapspace &ms = m->at (x, y);	378	mapspace &ms = m->at (x, y);
		379	ms.update ();
485		380
486	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	381	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
487	return 0;	382	return 0;
488		383
		384	int max_effects = 5; // max. number of similar spells per mapspace
		385
489	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	386	for (object *tmp = ms.top; tmp; tmp = tmp->below)
490	{	387	{
491	/* If there is a counterspell on the space, and this	388	/* If there is a counterspell on the space, and this
492	* object is using magic, don't progress. I believe we could	389	* object is using magic, don't progress. I believe we could
493	* leave this out and let in progress, and other areas of the code	390	* leave this out and let in progress, and other areas of the code
494	* will then remove it, but that would seem to to use more	391	* will then remove it, but that would seem to to use more
…		…
496	* on top of a counterwall spell (may hit the player before being	393	* on top of a counterwall spell (may hit the player before being
497	* removed.) On the other hand, it may be more dramatic for the	394	* removed.) On the other hand, it may be more dramatic for the
498	* spell to actually hit the counterwall and be sucked up.	395	* spell to actually hit the counterwall and be sucked up.
499	*/	396	*/
500	if ((tmp->attacktype & AT_COUNTERSPELL)	397	if ((tmp->attacktype & AT_COUNTERSPELL)
501	&& !QUERY_FLAG (tmp, FLAG_MONSTER)	398	&& !tmp->flag [FLAG_MONSTER]
502	&& (tmp->type != PLAYER)	399	&& (tmp->type != PLAYER)
503	&& (tmp->type != WEAPON)	400	&& (tmp->type != WEAPON)
504	&& (tmp->type != BOW)	401	&& (tmp->type != BOW)
505	&& (tmp->type != ARROW)	402	&& (tmp->type != ARROW)
506	&& (tmp->type != GOLEM)	403	&& (tmp->type != GOLEM)
507	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:	404	&& !tmp->flag [FLAG_IS_FLOOR] // XXX:
508	// we special case floor here because there	405	// we special case floor here because there
509	// are sometimes spell effect floors	406	// are sometimes spell effect floors
510	// which are used to inflict damage	407	// which are used to inflict damage
511	// (and those shouldn't go away from	408	// (and those shouldn't go away from
512	// sanctuary) see also: permanent lava	409	// sanctuary) see also: permanent lava
513	&& (immune_stop & AT_MAGIC))	410	&& (immune_stop & AT_MAGIC))
514	return 0;	411	return 0;
515		412
516	/* This is to prevent 'out of control' spells. Basically, this
517	* limits one spell effect per space per spell. This is definately
518	* needed for performance reasons, and just for playability I believe.
519	* there are no such things as multispaced spells right now, so
520	* we don't need to worry about the head.
521	*/
522	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
523	return 0;
524
525	/*
526	* Combine similar spell effects into one spell effect. Needed for
527	* performance reasons with meteor swarm and the like, but also for
528	* playability reasons.
529	*/
530	if (tmp->arch == op->arch
531	&& tmp->type == op->type	413	if (tmp->type == op->type)
532	&& tmp->subtype == op->subtype
533	&& tmp->owner == op->owner
534	&& ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
535	{	414	{
536	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	415	if (tmp->subtype == op->subtype
537	tmp->range = MAX (tmp->range, op->range);	416	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
538	tmp->duration = MAX (tmp->duration, op->duration);	417	{
		418	/* This is to prevent 'out of control' spells. Basically, this
		419	* limits one spell effect per space per spell. This is definately
		420	* needed for performance reasons, and just for playability I believe.
		421	* there are no such things as multispaced spells right now, so
		422	* we don't need to worry about the head.
		423	*/
		424	if (tmp->stats.maxhp == op->stats.maxhp)
		425	return 0;
		426
		427	/*
		428	* Combine similar spell effects into one spell effect. Needed for
		429	* performance reasons with meteor swarm and the like, but also for
		430	* playability reasons.
		431	*/
		432	if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		433	if (mergable_owner (tmp, op))
		434	{
		435	// if same owner, then combine, but reduce advantage of multiple spells
		436	max_it (tmp->stats.dam, op->stats.dam);
		437	max_it (tmp->range , op->range);
		438	max_it (tmp->duration , op->duration);
		439	return 0;
		440	}
		441	}
		442
		443	// if there are too many spell effects on this space,
		444	// then don't allow more of them, for performance reasons.
		445	if (tmp->type == SPELL_EFFECT
		446	&& !--max_effects)
539	return 0;	447	return 0;
540	}	448	}
541		449
542	/* Perhaps we should also put checks in for no magic and unholy	450	/* Perhaps we should also put checks in for no magic and unholy
543	* ground to prevent it from moving along?	451	* ground to prevent it from moving along?
544	*/	452	*/
…		…
556	* dir: direction to fire in.	464	* dir: direction to fire in.
557	* spell: spell that is being fired. It uses other_arch for the archetype	465	* spell: spell that is being fired. It uses other_arch for the archetype
558	* to fire.	466	* to fire.
559	* returns 0 on failure, 1 on success.	467	* returns 0 on failure, 1 on success.
560	*/	468	*/
561
562	int	469	int
563	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)	470	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
564	{	471	{
565	object *tmp;
566	int mflags;
567	maptile *m;
568
569	if (spell->other_arch == NULL)	472	if (!spell->other_arch)
570	return 0;	473	return 0;
571		474
572	m = op->map;	475	object *tmp = spell->other_arch->instance ();
573	mflags = get_map_flags (m, &m, x, y, &x, &y);
574	if (mflags & P_OUT_OF_MAP)
575	{
576	return 0;
577	}
578		476
579	tmp = arch_to_object (spell->other_arch);	477	if (!tmp)
580
581	if (tmp == NULL)
582	return 0;	478	return 0;
583
584	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
585	{
586	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
587	tmp->destroy ();
588	return 0;
589	}
590		479
591	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	480	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
592	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	481	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
593	/* code in time.c uses food for some things, duration for others */	482	/* code in time.c uses food for some things, duration for others */
594	tmp->stats.food = tmp->duration;	483	tmp->stats.food = tmp->duration;
595	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	484	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
596	tmp->attacktype = spell->attacktype;	485	tmp->attacktype = spell->attacktype;
597	tmp->x = x;
598	tmp->y = y;
599	tmp->direction = dir;	486	tmp->direction = dir;
600	if (op->owner != NULL)
601	tmp->set_owner (op);	487	tmp->set_owner (op);
602	else
603	tmp->set_owner (op);
604	tmp->level = caster_level (caster, spell);	488	tmp->level = casting_level (caster, spell);
605	set_spell_skill (op, caster, spell, tmp);	489	set_spell_skill (op, caster, spell, tmp);
606		490
607	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	491	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
608	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	492	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
609	{
610	if (!tailor_god_spell (tmp, op))	493	if (!tailor_god_spell (tmp, op))
611	return 0;	494	return 0;
612	}	495
613	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	496	if (tmp->flag [FLAG_IS_TURNABLE])
614	SET_ANIMATION (tmp, dir);	497	SET_ANIMATION (tmp, dir);
615		498
616	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	499	if ((tmp = op->map->insert (tmp, x, y, op)))
617	move_spell_effect (tmp);	500	move_spell_effect (tmp);
618		501
619	return 1;	502	return 1;
620	}	503	}
621		504
…		…
626	****************************************************************************/	509	****************************************************************************/
627	void	510	void
628	regenerate_rod (object *rod)	511	regenerate_rod (object *rod)
629	{	512	{
630	if (rod->stats.hp < rod->stats.maxhp)	513	if (rod->stats.hp < rod->stats.maxhp)
631	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);	514	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
632	}	515	}
633		516
634	void	517	void
635	drain_rod_charge (object *rod)	518	drain_rod_charge (object *rod)
636	{	519	{
…		…
656	{	539	{
657	tmp = op->owner;	540	tmp = op->owner;
658	/* If the owner does not exist, or is not a monster, than apply the spell	541	/* If the owner does not exist, or is not a monster, than apply the spell
659	* to the caster.	542	* to the caster.
660	*/	543	*/
661	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	544	if (!tmp || !tmp->flag [FLAG_MONSTER])
662	tmp = op;	545	tmp = op;
663	}	546	}
664	else	547	else
665	{	548	{
666	maptile *m = op->map;	549	maptile *m = op->map;
667	sint16 x = op->x + freearr_x[dir];	550	sint16 x = op->x + DIRX (dir);
668	sint16 y = op->y + freearr_y[dir];	551	sint16 y = op->y + DIRY (dir);
669		552
670	tmp = xy_normalise (m, x, y)	553	tmp = xy_normalise (m, x, y)
671	? m->at (x, y).player ()	554	? m->at (x, y).player ()
672	: 0;	555	: 0;
673	}	556	}
…		…
676	if (!tmp)	559	if (!tmp)
677	tmp = op->ms ().player ();	560	tmp = op->ms ().player ();
678		561
679	return tmp;	562	return tmp;
680	}	563	}
681
682
683		564
684	/* raytrace:	565	/* raytrace:
685	* spell_find_dir(map, x, y, exclude) will search first the center square	566	* spell_find_dir(map, x, y, exclude) will search first the center square
686	* then some close squares in the given map at the given coordinates for	567	* then some close squares in the given map at the given coordinates for
687	* live objects.	568	* live objects.
…		…
690	* monsters/generators only. If not, the spell will hunt players only.	571	* monsters/generators only. If not, the spell will hunt players only.
691	* It returns the direction toward the first/closest live object if it finds	572	* It returns the direction toward the first/closest live object if it finds
692	* any, otherwise -1.	573	* any, otherwise -1.
693	* note that exclude can be NULL, in which case all bets are off.	574	* note that exclude can be NULL, in which case all bets are off.
694	*/	575	*/
695
696	int	576	int
697	spell_find_dir (maptile *m, int x, int y, object *exclude)	577	spell_find_dir (maptile *m, int x, int y, object *exclude)
698	{	578	{
699	int i, max = SIZEOFFREE;	579	int i, max = SIZEOFFREE;
700	sint16 nx, ny;	580	sint16 nx, ny;
…		…
707	if (exclude && exclude->type)	587	if (exclude && exclude->type)
708	owner_type = exclude->type;	588	owner_type = exclude->type;
709		589
710	for (i = rndm (1, 8); i < max; i++)	590	for (i = rndm (1, 8); i < max; i++)
711	{	591	{
712	nx = x + freearr_x[i];	592	nx = x + DIRX (i);
713	ny = y + freearr_y[i];	593	ny = y + DIRY (i);
714	mp = m;	594	mp = m;
715	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	595	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
716	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))	596	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
717	continue;	597	continue;
718		598
719	tmp = GET_MAP_OB (mp, nx, ny);	599	tmp = GET_MAP_OB (mp, nx, ny);
720		600
721	while (tmp != NULL && (((owner_type == PLAYER &&	601	while (tmp != NULL && (((owner_type == PLAYER &&
722	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	602	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
723	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))	603	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
724	tmp = tmp->above;	604	tmp = tmp->above;
725		605
726	if (tmp != NULL && can_see_monsterP (m, x, y, i))	606	if (tmp != NULL && can_see_monsterP (m, x, y, i))
727	return freedir[i];	607	return freedir[i];
…		…
731		611
732	/* put_a_monster: puts a monster named monstername near by	612	/* put_a_monster: puts a monster named monstername near by
733	* op. This creates the treasures for the monsters, and	613	* op. This creates the treasures for the monsters, and
734	* also deals with multipart monsters properly.	614	* also deals with multipart monsters properly.
735	*/	615	*/
736	void	616	static void
737	put_a_monster (object *op, const char *monstername)	617	put_a_monster (object *op, const char *monstername)
738	{	618	{
739	object *tmp, *head = NULL, *prev = NULL;	619	object *tmp, *head = NULL, *prev = NULL;
740	archetype *at;	620	archetype *at;
741	int dir;	621	int dir;
…		…
744		624
745	if ((at = archetype::find (monstername)) == NULL)	625	if ((at = archetype::find (monstername)) == NULL)
746	return;	626	return;
747		627
748	/* find a free square nearby	628	/* find a free square nearby
749	* first we check the closest square for free squares	629	* first we check the closest square for free squares
750	*/	630	*/
751		631
752	dir = find_first_free_spot (at, op->map, op->x, op->y);	632	dir = find_first_free_spot (at, op->map, op->x, op->y);
753	if (dir != -1)	633	if (dir != -1)
754	{	634	{
…		…
756	* insert multipart monsters properly	636	* insert multipart monsters properly
757	*/	637	*/
758	//TODO: use expand_tail + ...	638	//TODO: use expand_tail + ...
759	while (at != NULL)	639	while (at != NULL)
760	{	640	{
761	tmp = arch_to_object (at);	641	tmp = at->instance ();
762	tmp->x = op->x + freearr_x[dir] + at->x;	642	tmp->x = op->x + DIRX (dir) + at->x;
763	tmp->y = op->y + freearr_y[dir] + at->y;	643	tmp->y = op->y + DIRY (dir) + at->y;
764	tmp->map = op->map;	644	tmp->map = op->map;
765	if (head)	645	if (head)
766	{	646	{
767	tmp->head = head;	647	tmp->head = head;
768	prev->more = tmp;	648	prev->more = tmp;
…		…
780	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	660	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
781		661
782	insert_ob_in_map (head, op->map, op, 0);	662	insert_ob_in_map (head, op->map, op, 0);
783		663
784	/* thought it'd be cool to insert a burnout, too. */	664	/* thought it'd be cool to insert a burnout, too. */
785	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	665	op->map->insert (archetype::get (shstr_burnout), op->x + DIRX (dir), op->y + DIRY (dir), op);
786	}	666	}
787	}	667	}
788		668
789	/* peterm: function which summons hostile monsters and	669	/* peterm: function which summons hostile monsters and
790	* places them in nearby squares.	670	* places them in nearby squares.
…		…
797	* Note that this is not used by any spells (summon evil monsters	677	* Note that this is not used by any spells (summon evil monsters
798	* use to call this, but best I can tell, that spell/ability was	678	* use to call this, but best I can tell, that spell/ability was
799	* never used. This is however used by various failures on the	679	* never used. This is however used by various failures on the
800	* players part (alchemy, reincarnation, etc)	680	* players part (alchemy, reincarnation, etc)
801	*/	681	*/
802
803	int	682	int
804	summon_hostile_monsters (object *op, int n, const char *monstername)	683	summon_hostile_monsters (object *op, int n, const char *monstername)
805	{	684	{
806	int i;	685	int i;
807		686
…		…
842	{ AT_PARALYZE, 9},	721	{ AT_PARALYZE, 9},
843	{ AT_FEAR, 10},	722	{ AT_FEAR, 10},
844	};	723	};
845		724
846	/* shuffle_attack: peterm	725	/* shuffle_attack: peterm
847	* This routine shuffles the attack of op to one of the	726	* This routine shuffles the attack of op to one of the
848	* ones in the list. It does this at random. It also	727	* ones in the list. It does this at random. It also
849	* chooses a face appropriate to the attack that is	728	* chooses a face appropriate to the attack that is
850	* being committed by that square at the moment.	729	* being committed by that square at the moment.
851	* right now it's being used by color spray and create pool of	730	* right now it's being used by color spray and create pool of
852	* chaos.	731	* chaos.
853	* This could really be a better implementation - the	732	* This could really be a better implementation - the
854	* faces and attacktypes above are hardcoded, which is never	733	* faces and attacktypes above are hardcoded, which is never
855	* good. The faces refer to faces in the animation sequence.	734	* good. The faces refer to faces in the animation sequence.
…		…
872	{	751	{
873	SET_ANIMATION (op, ATTACKS[i].face);	752	SET_ANIMATION (op, ATTACKS[i].face);
874	}	753	}
875	}	754	}
876		755
877
878	/* prayer_failure: This is called when a player fails	756	/* prayer_failure: This is called when a player fails
879	* at casting a prayer.	757	* at casting a prayer.
880	* op is the player.	758	* op is the player.
881	* failure is basically how much grace they had.	759	* failure is basically how much grace they had.
882	* power is how much grace the spell would normally take to cast.	760	* power is how much grace the spell would normally take to cast.
883	*/	761	*/
884		762
885	void	763	#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
		764
		765	static void
886	prayer_failure (object *op, int failure, int power)	766	prayer_failure (object *op, int failure, int power)
887	{	767	{
888	const char *godname;	768	const char *godname;
889	object *tmp;	769	object *tmp;
890		770
891	if (!strcmp ((godname = determine_god (op)), "none"))	771	if (!strcmp ((godname = determine_god (op)), "none"))
892	godname = "Your spirit";	772	godname = "Your spirit";
893		773
894	if (failure <= -20 && failure > -40) /* wonder */	774	if (failure <= -20 && failure > -40) /* wonder */
895	{	775	{
896	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	776	op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname);
897	tmp = get_archetype (SPELL_WONDER);	777	tmp = archetype::get (SPELL_WONDER);
898	cast_cone (op, op, 0, tmp);	778	cast_cone (op, op, 0, tmp);
899	tmp->destroy ();	779	tmp->destroy ();
900	}	780	}
901		781
902	else if (failure <= -40 && failure > -60) /* confusion */	782	else if (failure <= -40 && failure > -60) /* confusion */
903	{	783	{
904	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	784	op->failmsg ("Your diety touches your mind!" HINT_GRACE);
905	confuse_player (op, op, 99);	785	confuse_player (op, op, 99);
906	}	786	}
907	else if (failure <= -60 && failure > -150) /* paralysis */	787	else if (failure <= -60 && failure > -150) /* paralysis */
908	{	788	{
909	new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname);	789	op->failmsgf ("%s requires you to pray NOW. "
910	new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else.");	790	"You comply, ignoring all else." HINT_GRACE,
		791	godname);
911	paralyze_player (op, op, 99);	792	paralyze_player (op, op, 99);
912	}	793	}
913	else if (failure <= -150) /* blast the immediate area */	794	else if (failure <= -150) /* blast the immediate area */
914	{	795	{
915	tmp = get_archetype (GOD_POWER);	796	tmp = archetype::get (GOD_POWER);
916	new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname);	797	op->failmsgf ("%s smites you!" HINT_GRACE, godname);
917	cast_magic_storm (op, tmp, power);	798	cast_magic_storm (op, tmp, power);
918	}	799	}
919	}	800	}
920		801
921	/*	802	/*
922	* spell_failure() handles the various effects for differing degrees	803	* spell_failure() handles the various effects for differing degrees
923	* of failure badness.	804	* of failure badness.
924	* op is the player that failed.	805	* op is the player that failed.
925	* failure is a random value of how badly you failed.	806	* failure is a random value of how badly you failed.
926	* power is how many spellpoints you'd normally need for the spell.	807	* power is how many spellpoints you'd normally need for the spell.
927	* skill is the skill you'd need to cast the spell.	808	* skill is the skill you'd need to cast the spell.
928	*/	809	*/
929
930	void	810	void
931	spell_failure (object *op, int failure, int power, object *skill)	811	spell_failure (object *op, int failure, int power, object *skill)
932	{	812	{
933	object *tmp;	813	object *tmp;
934		814
935	if (settings.spell_failure_effects == FALSE)	815	if (settings.spell_failure_effects == FALSE)
936	return;	816	return;
937		817
938	if (failure <= -20 && failure > -40) /* wonder */	818	if (failure <= -20 && failure > -40) /* wonder */
939	{	819	{
940	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	820	op->failmsg ("Your spell causes an unexpected effect.");
941	tmp = get_archetype (SPELL_WONDER);	821	tmp = archetype::get (SPELL_WONDER);
942	cast_cone (op, op, 0, tmp);	822	cast_cone (op, op, 0, tmp);
943	tmp->destroy ();	823	tmp->destroy ();
944	}	824	}
945		825
946	else if (failure <= -40 && failure > -60) /* confusion */	826	else if (failure <= -40 && failure > -60) /* confusion */
947	{	827	{
948	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	828	op->failmsg ("Your magic recoils on you, making you confused!");
949	confuse_player (op, op, 99);	829	confuse_player (op, op, 99);
950	}	830	}
951	else if (failure <= -60 && failure > -80) /* paralysis */	831	else if (failure <= -60 && failure > -80) /* paralysis */
952	{	832	{
953	new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!");	833	op->failmsg ("Your magic stuns you!");
954	paralyze_player (op, op, 99);	834	paralyze_player (op, op, 99);
955	}	835	}
956	else if (failure <= -80) /* blast the immediate area */	836	else if (failure <= -80) /* blast the immediate area */
957	{	837	{
958	object *tmp;	838	object *tmp;
959		839
960	/* Safety check to make sure we don't get any mana storms in scorn */	840	/* Safety check to make sure we don't get any mana storms in scorn */
961	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)	841	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)
962	{	842	{
963	new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!");	843	op->failmsg ("The magic warps and you are turned inside out!");
964	hit_player (op, 9998, op, AT_INTERNAL, 1);	844	hit_player (op, 9998, op, AT_INTERNAL, 1);
965		845
966	}	846	}
967	else	847	else
968	{	848	{
969	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	849	op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!");
970	tmp = get_archetype (LOOSE_MANA);	850	tmp = archetype::get (LOOSE_MANA);
971	tmp->level = skill->level;	851	tmp->level = skill->level;
972		852
973	/* increase the area of destruction a little for more powerful spells */	853	/* increase the area of destruction a little for more powerful spells */
974	tmp->range += isqrt (power);	854	tmp->range += isqrt (power);
975		855
…		…
983	tmp->insert_at (op);	863	tmp->insert_at (op);
984	}	864	}
985	}	865	}
986	}	866	}
987		867
988	int	868	static int
989	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	869	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
990	{	870	{
991	int success;
992	object *spell;
993
994	if (!spell_ob->other_arch)	871	if (!spell_ob->other_arch)
995	{	872	{
996	LOG (llevError, "cast_party_spell: empty other arch\n");	873	LOG (llevError, "cast_party_spell: empty other arch\n");
997	return 0;	874	return 0;
998	}	875	}
999	spell = arch_to_object (spell_ob->other_arch);	876
		877	object *spell = spell_ob->other_arch->instance ();
1000		878
1001	/* Always cast spell on caster */	879	/* Always cast spell on caster */
1002	success = cast_spell (op, caster, dir, spell, stringarg);	880	int success = cast_spell (op, caster, dir, spell, spellparam);
1003		881
1004	if (caster->contr->party == NULL)	882	if (!op->contr || !op->contr->party)
1005	{	883	{
1006	spell->remove ();	884	spell->remove ();
1007	return success;	885	return success;
1008	}	886	}
		887
1009	for_all_players (pl)	888	for_all_players (pl)
1010	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	889	if ((pl->ob->contr->party == op->contr->party)
1011	{	890	&& on_same_map (pl->ob, op)
		891	&& pl->ob != op)
1012	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	892	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1013	}	893
1014	spell->remove ();	894	spell->remove ();
1015	return success;	895	return success;
1016	}	896	}
1017		897
1018	/* This is where the main dispatch when someone casts a spell.	898	/* This is where the main dispatch when someone casts a spell.
…		…
1023	* same as op.	903	* same as op.
1024	* dir is the direction to cast in. Note in some cases, if the spell	904	* dir is the direction to cast in. Note in some cases, if the spell
1025	* is self only, dir really doesn't make a difference.	905	* is self only, dir really doesn't make a difference.
1026	* spell_ob is the spell object that is being cast. From that,	906	* spell_ob is the spell object that is being cast. From that,
1027	* we can determine what to do.	907	* we can determine what to do.
1028	* stringarg is any options that are being used. It can be NULL. Almost	908	* spellparam is any options that are being used. It can be NULL. Almost
1029	* certainly, only players will set it. It is basically used as optional	909	* certainly, only players will set it. It is basically used as optional
1030	* parameters to a spell (eg, item to create, information for marking runes,	910	* parameters to a spell (eg, item to create, information for marking runes,
1031	* etc.	911	* etc.
1032	* returns 1 on successful cast, or 0 on error. These values should really	912	* returns 1 on successful cast, or 0 on error. These values should really
1033	* be swapped, so that 0 is successful, and non zero is failure, with a code	913	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1041	* if it is a player casting the spell (op->type == PLAYER, op == caster),	921	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1042	* this function will decrease the mana/grace appropriately. For other	922	* this function will decrease the mana/grace appropriately. For other
1043	* objects, the caller should do what it considers appropriate.	923	* objects, the caller should do what it considers appropriate.
1044	*/	924	*/
1045	int	925	int
1046	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	926	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1047	{	927	{
1048	const char *godname;	928	const char *godname;
1049	int success = 0, mflags, cast_level = 0;	929	int success = 0;
1050	object *skill = NULL;	930
		931	// make sure spells always take a while, so a) we don't flood the
		932	// user with messages and b) too many failures can be harmful (smiting).
		933	op->speed_left -= 4 * op->speed; // ~0.5s on failure
1051		934
1052	if (!spell_ob)	935	if (!spell_ob)
1053	{	936	{
1054	LOG (llevError, "cast_spell: null spell object passed\n");	937	LOG (llevError, "cast_spell: null spell object passed\n");
1055	return 0;	938	return 0;
…		…
1063	{	946	{
1064	LOG (llevError, "cast_spell: null caster object passed\n");	947	LOG (llevError, "cast_spell: null caster object passed\n");
1065	return 0;	948	return 0;
1066	}	949	}
1067		950
1068	/* if caster is a spell casting object, this normally shouldn't be	951	/* if caster is a spell casting object, this normally shouldn't be
1069	* an issue, because they don't have any spellpaths set up.	952	* an issue, because they don't have any spellpaths set up.
1070	*/	953	*/
1071	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))	954	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1072	{	955	{
1073	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	956	op->failmsg ("That spell path is denied to you.");
1074	return 0;	957	return 0;
1075	}	958	}
1076		959
		960	object *skill = 0;
		961
1077	/* if it is a player casting the spell, and they are really casting it	962	/* if it is a player casting the spell, and they are really casting it
1078	* (vs it coming from a wand, scroll, or whatever else), do some	963	* (vs it coming from a wand, scroll, or whatever else), do some
1079	* checks. We let monsters do special things - eg, they	964	* checks. We let monsters do special things - eg, they
1080	* don't need the skill, bypass level checks, etc. The monster function	965	* don't need the SKILL, BYpass level checks, etc. The monster function
1081	* should take care of that.	966	* should take care of that.
1082	* Remove the wiz check here and move it further down - some spells	967	* Remove the wiz check here and move it further down - some spells
1083	* need to have the right skill pointer passed, so we need to	968	* need to have the right skill pointer passed, so we need to
1084	* at least process that code.	969	* at least process that code.
1085	*/	970	*/
1086	if (op->type == PLAYER && op == caster)	971	if (op->type == PLAYER && op == caster)
1087	{	972	{
1088	cast_level = caster_level (caster, spell_ob);
1089
1090	if (spell_ob->skill)	973	if (spell_ob->skill)
1091	{	974	{
1092	skill = find_skill_by_name (op, spell_ob->skill);	975	skill = find_skill_by_name (op, spell_ob->skill);
1093		976
1094	if (!skill)	977	if (!skill)
1095	{	978	{
1096	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	979	op->failmsgf ("You need the %s skill to cast %s! "
		980	"H<You either need to learn the skill via a skill scroll "
		981	"or you need to wear a talisman, holy symbol or another skill tool.>",
		982	&spell_ob->skill, &spell_ob->name);
1097	return 0;	983	return 0;
1098	}	984	}
1099		985
1100	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	986	const char *msg = "";
		987
		988	int caster_level = skill->level;
		989
		990	if (op->path_attuned & spell_ob->path_attuned)
1101	{	991	{
1102	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	992	caster_level += min (caster_level, ATTUNE_REPELL);
		993	msg = " (attuned)";
		994	}
		995
		996	if (op->path_repelled & spell_ob->path_attuned)
		997	{
		998	caster_level -= ATTUNE_REPELL; // negative is ok
		999	msg = " (repelled)";
		1000	}
		1001
		1002	if (spell_ob->level > caster_level)
		1003	{
		1004	op->failmsgf ("You lack enough skill to cast that spell! "
		1005	"H<Your effective cast level is %d%s, but level %d is required.>",
		1006	caster_level, msg, spell_ob->level);
		1007	if (!op->is_wiz ())
1103	return 0;	1008	return 0;
1104	}	1009	}
1105	}	1010	}
1106		1011
1107	/* If the caster is the wiz, they don't ever fail, and don't have	1012	/* If the caster is the wiz, they don't ever fail, and don't have
1108	* to have sufficient grace/mana.	1013	* to have sufficient grace/mana.
1109	*/	1014	*/
1110	if (!QUERY_FLAG (op, FLAG_WIZ))	1015	if (!op->flag [FLAG_WIZCAST])
1111	{	1016	{
1112	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1017	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1113	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1018	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1114	{	1019	{
1115	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1020	op->failmsg ("You don't have enough mana!");
1116	return 0;	1021	return 0;
1117	}	1022	}
1118		1023
1119	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1024	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1120	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1025	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1121	{	1026	{
1122	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1027	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1123	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1028	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1124	{
1125	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1029	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1126	}
1127	else	1030	else
1128	{	1031	{
1129	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1032	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1130	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1033	op->failmsgf ("%s ignores your prayer.", godname);
1131	return 0;	1034	return 0;
1132	}	1035	}
1133	}	1036	}
1134		1037
1135	/* player/monster is trying to cast the spell. might fumble it */	1038	/* player/monster is trying to cast the spell. might fumble it */
1136	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1039	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1137	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1040	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1138	{	1041	{
1139	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1042	op->contr->play_sound (sound_find ("fumble_spell"));
1140	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the prayer.");	1043	op->failmsg ("You fumble the prayer.");
1141		1044
1142	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1045	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1143	return 0;	1046	return 0;
1144	}	1047	}
1145	else if (spell_ob->stats.sp)	1048	else if (spell_ob->stats.sp)
1146	{	1049	{
1147	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1050	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1148		1051
1149	if (failure < 0)	1052	if (failure < 0)
1150	{	1053	{
1151	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1054	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1152	if (settings.spell_failure_effects == TRUE)	1055	if (settings.spell_failure_effects == TRUE)
1153	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1056	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1154		1057
1155	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1058	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1156	return 0;	1059	return 0;
1157	}	1060	}
1158	}	1061	}
1159	}	1062	}
1160	}	1063	}
1161		1064
1162	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1065	int mflags = op->ms ().flags ();
1163		1066
1164	/* See if we can cast a spell here. If the caster and op are	1067	/* See if we can cast a spell here. If the caster and op are
1165	* not alive, then this would mean that the mapmaker put the	1068	* not alive, then this would mean that the mapmaker put the
1166	* objects on the space - presume that they know what they are	1069	* objects on the space - presume that they know what they are
1167	* doing.	1070	* doing.
1168	*/	1071	*/
1169		1072
1170	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1073	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1171	{	1074	{
		1075	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1172	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1076	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1173	return 0;	1077	return 0;
1174	}	1078	}
1175		1079
1176	if ((spell_ob->type == SPELL)	1080	if ((spell_ob->type == SPELL)
1177	&& (caster->type != POTION)	1081	&& (caster->type != POTION)
1178	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1082	&& !op->flag [FLAG_WIZCAST]
1179	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1083	&& (caster->flag [FLAG_ALIVE]
1180	|| QUERY_FLAG (op, FLAG_ALIVE))	1084	|| op->flag [FLAG_ALIVE])
1181	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1085	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1182	{	1086	{
1183	if (op->type != PLAYER)	1087	if (op->type != PLAYER)
1184	return 0;	1088	return 0;
1185		1089
1186	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1090	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1187	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1091	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1188	else if (object *item = op->contr->ranged_ob)	1092	else if (object *item = op->contr->ranged_ob)
1189	{	1093	{
1190	if (item->type == SPELL)	1094	if (item->type == SPELL)
1191	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1095	op->failmsg ("Something blocks your spellcasting.");
1192	else if (item->type == SCROLL)	1096	else if (item->type == SCROLL)
1193	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");	1097	op->failmsg ("Something blocks the magic of your scroll.");
1194	else	1098	else
1195	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");	1099	op->failmsg ("Something blocks the magic of your item.");
1196	}	1100	}
1197	else	1101	else
1198	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the spell!");	1102	op->failmsg ("Something blocks the spell!");
1199		1103
1200	return 0;	1104	return 0;
1201	}	1105	}
1202		1106
		1107	// undo the flood protection from earlier
		1108	op->speed_left += 4 * op->speed; // ~0.5s on failure
		1109
1203	/* Take into account how long it takes to cast the spell.	1110	/* Take into account how long it takes to cast the spell.
1204	* if the player is casting it, then we use the time in	1111	* if the player is casting it, then we use the time in
1205	* the spell object. If it is a spell object, have it	1112	* the spell object. If it is a spell object, have it
1206	* take two ticks. Things that cast spells on the players	1113	* take two ticks. Things that cast spells on the players
1207	* behalf (eg, altars, and whatever else) shouldn't cost	1114	* behalf (eg, altars, and whatever else) shouldn't cost
1208	* the player any time.	1115	* the player any time.
1209	* Ignore casting time for firewalls	1116	* Ignore casting time for firewalls
1210	*/	1117	*/
1211	if (caster == op && caster->type != FIREWALL)	1118	if (caster == op && caster->type != FIREWALL)
1212	{	1119	{
1213	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1120	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1214	/* Other portions of the code may also decrement the speed of the player, so	1121	/* Other portions of the code may also decrement the speed of the player, so
1215	* put a lower limit so that the player isn't stuck here too long	1122	* put a lower limit so that the player isn't stuck here too long
1216	*/	1123	*/
1217	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1124	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1218	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1125	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1219	}	1126	}
1220	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1127	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1221	op->speed_left -= 2 * FABS (op->speed);	1128	op->speed_left -= 2 * op->speed;
1222		1129
1223	if (op->type == PLAYER && op == caster)	1130	if (op->type == PLAYER && op == caster)
1224	{	1131	{
1225	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1132	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1226	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1133	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1231	* object requires.	1138	* object requires.
1232	*/	1139	*/
1233	if (op != caster && !skill && caster->skill)	1140	if (op != caster && !skill && caster->skill)
1234	{	1141	{
1235	skill = find_skill_by_name (op, caster->skill);	1142	skill = find_skill_by_name (op, caster->skill);
		1143
1236	if (!skill)	1144	if (!skill)
1237	{	1145	{
1238	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1146	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1239	return 0;	1147	return 0;
1240	}	1148	}
1241
1242	op->change_skill (skill); /* needed for proper exp credit */
1243	}	1149	}
1244		1150
1245	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))	1151	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
1246	return RESULT_INT (0);	1152	return RESULT_INT (0);
1247		1153
		1154	// temporaroly replace chosen_skill by skill, we assume skill *could* be applied,
		1155	// at least temporarily, which might not be true due to slot restrictions, but hey
		1156	// invoke requires it basically.
		1157
		1158	object *chosen_skill = op->chosen_skill;
		1159	op->chosen_skill = skill;
		1160
1248	switch (spell_ob->subtype)	1161	switch (spell_ob->subtype)
1249	{	1162	{
1250	/* The order of case statements is same as the order they show up	1163	/* The order of case statements is same as the order they show up
1251	* in in spells.h.	1164	* in spells.h.
1252	*/	1165	*/
1253	case SP_RAISE_DEAD:	1166	case SP_RAISE_DEAD:
1254	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1167	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1255	break;	1168	break;
1256		1169
1257	case SP_RUNE:	1170	case SP_RUNE:
1258	success = write_rune (op, caster, spell_ob, dir, stringarg);	1171	success = write_rune (op, caster, spell_ob, dir, spellparam);
1259	break;	1172	break;
1260		1173
1261	case SP_MAKE_MARK:	1174	case SP_MAKE_MARK:
1262	success = write_mark (op, spell_ob, stringarg);	1175	success = write_mark (op, spell_ob, spellparam);
1263	break;	1176	break;
1264		1177
1265	case SP_BOLT:	1178	case SP_BOLT:
1266	success = fire_bolt (op, caster, dir, spell_ob, skill);	1179	success = fire_bolt (op, caster, dir, spell_ob, skill);
1267	break;	1180	break;
…		…
1285	case SP_SMITE:	1198	case SP_SMITE:
1286	success = cast_smite_spell (op, caster, dir, spell_ob);	1199	success = cast_smite_spell (op, caster, dir, spell_ob);
1287	break;	1200	break;
1288		1201
1289	case SP_MAGIC_MISSILE:	1202	case SP_MAGIC_MISSILE:
1290	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1203	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1291	break;	1204	break;
1292		1205
1293	case SP_SUMMON_GOLEM:	1206	case SP_SUMMON_GOLEM:
1294	success = summon_golem (op, caster, dir, spell_ob);	1207	success = summon_golem (op, caster, dir, spell_ob);
1295	break;	1208	break;
1296		1209
1297	case SP_DIMENSION_DOOR:	1210	case SP_DIMENSION_DOOR:
1298	/* dimension door needs the actual caster, because that is what is	1211	/* dimension door needs the actual caster, because that is what is
1299	* moved.	1212	* moved.
1300	*/	1213	*/
1301	success = dimension_door (op, caster, spell_ob, dir);	1214	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1302	break;	1215	break;
1303		1216
1304	case SP_MAGIC_MAPPING:	1217	case SP_MAGIC_MAPPING:
1305	if (op->type == PLAYER)	1218	if (op->type == PLAYER)
1306	{	1219	{
…		…
1339	case SP_HEALING:	1252	case SP_HEALING:
1340	success = cast_heal (op, caster, spell_ob, dir);	1253	success = cast_heal (op, caster, spell_ob, dir);
1341	break;	1254	break;
1342		1255
1343	case SP_CREATE_FOOD:	1256	case SP_CREATE_FOOD:
1344	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1257	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1345	break;	1258	break;
1346		1259
1347	case SP_EARTH_TO_DUST:	1260	case SP_EARTH_TO_DUST:
1348	success = cast_earth_to_dust (op, caster, spell_ob);	1261	success = cast_earth_to_dust (op, caster, spell_ob);
1349	break;	1262	break;
…		…
1359	case SP_CURSE:	1272	case SP_CURSE:
1360	success = cast_curse (op, caster, spell_ob, dir);	1273	success = cast_curse (op, caster, spell_ob, dir);
1361	break;	1274	break;
1362		1275
1363	case SP_SUMMON_MONSTER:	1276	case SP_SUMMON_MONSTER:
1364	success = summon_object (op, caster, spell_ob, dir, stringarg);	1277	success = summon_object (op, caster, spell_ob, dir, spellparam);
1365	break;	1278	break;
1366		1279
1367	case SP_CHARGING:	1280	case SP_CHARGING:
1368	success = recharge (op, caster, spell_ob);	1281	success = recharge (op, caster, spell_ob);
1369	break;	1282	break;
…		…
1372	#ifdef NO_POLYMORPH	1285	#ifdef NO_POLYMORPH
1373	/* Not great, but at least provide feedback so if players do have	1286	/* Not great, but at least provide feedback so if players do have
1374	* polymorph (ie, find it as a preset item or left over from before	1287	* polymorph (ie, find it as a preset item or left over from before
1375	* it was disabled), they get some feedback.	1288	* it was disabled), they get some feedback.
1376	*/	1289	*/
1377	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1290	op->failmsg ("The spell fizzles!");
1378	success = 0;	1291	success = 0;
1379	#else	1292	#else
1380	success = cast_polymorph (op, caster, spell_ob, dir);	1293	success = cast_polymorph (op, caster, spell_ob, dir);
1381	#endif	1294	#endif
1382	break;	1295	break;
…		…
1402	break;	1315	break;
1403		1316
1404	case SP_MOVING_BALL:	1317	case SP_MOVING_BALL:
1405	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1318	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1406	{	1319	{
1407	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1320	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1408	success = 0;	1321	success = 0;
1409	}	1322	}
1410	else	1323	else
1411	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1324	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1412	break;	1325	break;
1413		1326
1414	case SP_SWARM:	1327	case SP_SWARM:
1415	success = fire_swarm (op, caster, spell_ob, dir);	1328	success = fire_swarm (op, caster, spell_ob, dir);
1416	break;	1329	break;
…		…
1423	/* in rune.c */	1336	/* in rune.c */
1424	success = dispel_rune (op, caster, spell_ob, skill, dir);	1337	success = dispel_rune (op, caster, spell_ob, skill, dir);
1425	break;	1338	break;
1426		1339
1427	case SP_CREATE_MISSILE:	1340	case SP_CREATE_MISSILE:
1428	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1341	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1429	break;	1342	break;
1430		1343
1431	case SP_CONSECRATE:	1344	case SP_CONSECRATE:
1432	success = cast_consecrate (op, caster, spell_ob);	1345	success = cast_consecrate (op, caster, spell_ob);
1433	break;	1346	break;
…		…
1455	case SP_AURA:	1368	case SP_AURA:
1456	success = create_aura (op, caster, spell_ob);	1369	success = create_aura (op, caster, spell_ob);
1457	break;	1370	break;
1458		1371
1459	case SP_PARTY_SPELL:	1372	case SP_PARTY_SPELL:
1460	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1373	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1461	break;	1374	break;
1462		1375
1463	default:	1376	default:
1464	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1377	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1465	}	1378	}
1466		1379
1467	/* FIXME - we need some better sound suppport */	1380	// restore chosen_skill
1468	// yes, for example, augment map info with the spell effect	1381	op->chosen_skill = chosen_skill;
1469	// so clients can calculate the sounds themselves	1382
1470	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);	1383	op->play_sound (
		1384	success
		1385	? spell_ob->sound
		1386	? spell_ob->sound
		1387	: sound_find ("spell_success")
		1388	: sound_find ("fumble_spell")
		1389	);
1471		1390
1472	return success;	1391	return success;
1473	}	1392	}
1474		1393
1475
1476	/* This is called from time.c/process_object(). That function	1394	/* This is called from time.c/process_object(). That function
1477	* calls this for any SPELL_EFFECT type objects. This function	1395	* calls this for any SPELL_EFFECT type objects. This function
1478	* then dispatches them to the appropriate specific routines.	1396	* then dispatches them to the appropriate specific routines.
1479	*/	1397	*/
1480	void	1398	void
1481	move_spell_effect (object *op)	1399	move_spell_effect (object *op)
1482	{	1400	{
…		…
1522	move_aura (op);	1440	move_aura (op);
1523	break;	1441	break;
1524	}	1442	}
1525	}	1443	}
1526		1444
1527	/* this checks to see if something special should happen if
1528	* something runs into the object.
1529	*/
1530	void
1531	check_spell_effect (object *op)
1532	{
1533	switch (op->subtype)
1534	{
1535	case SP_BOLT:
1536	move_bolt (op);
1537	return;
1538
1539	case SP_BULLET:
1540	check_bullet (op);
1541	return;
1542	}
1543	}
1544
1545	/* This is called by move_apply. Basically, if someone	1445	/* This is called by move_apply. Basically, if someone
1546	* moves onto a spell effect and the walk_on or fly_on flags	1446	* moves onto a spell effect and the walk_on or fly_on flags
1547	* are set, this is called. This should only be called for	1447	* are set, this is called. This should only be called for
1548	* objects of the appropraite type.	1448	* objects of the appropriate type.
1549	*/	1449	*/
1550	void	1450	void
1551	apply_spell_effect (object *spell, object *victim)	1451	apply_spell_effect (object *spell, object *victim)
1552	{	1452	{
1553	switch (spell->subtype)	1453	switch (spell->subtype)
1554	{	1454	{
1555	case SP_CONE:	1455	case SP_CONE:
1556	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1456	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1557	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1457	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1558	break;	1458	break;
1559		1459
1560	case SP_MAGIC_MISSILE:	1460	case SP_MAGIC_MISSILE:
1561	if (QUERY_FLAG (victim, FLAG_ALIVE))	1461	if (victim->flag [FLAG_ALIVE])
1562	{	1462	{
1563	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1463	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1564
1565	if (!spell->destroyed ())
1566	spell->destroy ();	1464	spell->destroy ();
1567	}	1465	}
1568	break;	1466	break;
1569		1467
1570	case SP_MOVING_BALL:	1468	case SP_MOVING_BALL:
1571	if (QUERY_FLAG (victim, FLAG_ALIVE))	1469	if (victim->flag [FLAG_ALIVE])
1572	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1470	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1573	else if (victim->materialname)	1471	else if (victim->material != MATERIAL_NULL)
1574	save_throw_object (victim, spell->attacktype, spell);	1472	save_throw_object (victim, spell->attacktype, spell);
		1473
1575	break;	1474	break;
1576	}	1475	}
1577	}	1476	}
		1477
		1478	/**
		1479	* This function will let a fireball explode at the position of
		1480	* the victim with a specific maximum level.
		1481	*/
		1482	void
		1483	create_exploding_ball_at (object *victim, int level)
		1484	{
		1485	object *ball = archetype::get (EXPLODING_FIREBALL);
		1486	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1487	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1488	ball->insert_at (victim);
		1489	}

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