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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.40 by elmex, Sun Apr 15 16:25:16 2007 UTC vs.
Revision 1.131 by root, Sat Nov 17 23:40:04 2018 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development 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 (C) 2001 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* This program 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 2 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	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	18	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	19	* You should have received a copy of the Affero GNU General Public License
		20	* and the GNU General Public License along with this program. If not, see
		21	* <http://www.gnu.org/licenses/>.
23	*/	22	*
24		23	* The authors can be reached via e-mail to <support@deliantra.net>
		24	*/
25		25
26	#include <global.h>	26	#include <global.h>
27	#include <spells.h>	27	#include <spells.h>
28	#include <object.h>	28	#include <object.h>
29	#include <errno.h>	29	#include <errno.h>
…		…
35	/* 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
36	* 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
37	* matching spells are used.	37	* matching spells are used.
38	*/	38	*/
39	object *	39	object *
40	find_random_spell_in_ob (object *ob, const char *skill)	40	find_random_spell_in_ob (object *ob, shstr_cmp skill)
41	{	41	{
42	int k = 0, s;	42	int k = 0, s;
43	object *tmp;
44		43
45	for (tmp = ob->inv; tmp; tmp = tmp->below)	44	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
46	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	45	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
47	k++;	46	k++;
48		47
49	/* No spells, no need to progess further */	48	/* No spells, no need to progess further */
50	if (!k)	49	if (!k)
51	return NULL;	50	return NULL;
52		51
53	s = RANDOM () % k;	52	s = rndm (k);
54		53
55	for (tmp = ob->inv; tmp; tmp = tmp->below)	54	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
56	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	55	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
57	{
58	if (!s)	56	if (!s)
59	return tmp;	57	return tmp;
60	else	58	else
61	s--;	59	s--;
62	}	60
63	/* Should never get here, but just in case */	61	/* Should never get here, but just in case */
64	return NULL;	62	return 0;
65	}	63	}
66		64
67	/* Relatively simple function that gets used a lot.	65	/* Relatively simple function that gets used a lot.
68	* Basically, it sets up the skill pointer for the spell being	66	* Basically, it sets up the skill pointer for the spell being
69	* cast. If op is really casting the spell, then the skill	67	* cast. If op is really casting the spell, then the skill
…		…
79	dest->skill = spob->skill;	77	dest->skill = spob->skill;
80	else	78	else
81	dest->skill = caster->skill;	79	dest->skill = caster->skill;
82	}	80	}
83		81
84	/* init_spells: This should really be called check_spells, as that
85	* is what it does. It goes through the spells looking for any
86	* obvious errors. This was most useful in debugging when re-doing
87	* all the spells to catch simple errors. To use it all the time
88	* will result in it spitting out messages that aren't really errors.
89	*/
90	void
91	init_spells (void)
92	{
93	#ifdef SPELL_DEBUG
94	static int init_spells_done = 0;
95	int i;
96	archetype *at;
97
98	if (init_spells_done)
99	return;
100	LOG (llevDebug, "Checking spells...\n");
101
102	for (at = first_archetype; at; at = at->next)
103	{
104	if (at->clone.type == SPELL)
105	{
106	if (at->clone.skill)
107	{
108	for (i = 1; i < NUM_SKILLS; i++)
109	if (!strcmp (skill_names[i], at->clone.skill))
110	break;
111	if (i == NUM_SKILLS)
112	{
113	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
114	}
115	}
116	/* other_arch is already checked for in the loader */
117	}
118	}
119
120	i = 0;
121	while (spell_mapping[i])
122	{
123	if (!archetype::find (spell_mapping[i]))
124	{
125	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
126	}
127	i++;
128	}
129	LOG (llevDebug, "Checking spells completed.\n");
130	#endif
131	}
132
133	/* Dumps all the spells - now also dumps skill associated with the spell.
134	* not sure what this would be used for, as the data seems pretty
135	* minimal, but easy enough to keep around.
136	*/
137	void
138	dump_spells (void)
139	{
140	archetype *at;
141
142	for (at = first_archetype; at; at = at->next)
143	{
144	if (at->clone.type == SPELL)
145	{
146	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
147	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
148	}
149	}
150	}
151
152	/* pretty basic function - basically just takes	82	/* pretty basic function - basically just takes
153	* 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
154	*/	84	*/
155	void	85	void
156	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)
157	{	87	{
158	if (spob->other_arch)	88	if (spob->other_arch)
159	map->insert (arch_to_object (spob->other_arch), x, y, originator);	89	map->insert (spob->other_arch->instance (), x, y, originator);
160	}	90	}
161		91
162	/*	92	static int
163	* This function takes a caster and spell and presents the	93	attuned_bonus (object *caster, object *spell, int level)
164	* effective level the caster needs to be to cast the spell.
165	* basically, it just adjusts the spell->level with attuned/repelled
166	* spellpaths. Was called path_level_mod.
167	*
168	* caster is person casting the spell.
169	* spell is the spell object.
170	* Returns modified level.
171	*/
172	int
173	min_casting_level (object *caster, object *spell)
174	{	94	{
175	int new_level;	95	// compute the attuned/repelled bonus
176		96	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
177	if (caster->path_denied & spell->path_attuned)	97	// repell has no such quarrels
178	return 1;	98	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
179
180	new_level = spell->level
181	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)	99	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
182	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
183
184	return max (1, new_level);
185	}	100	}
186		101
187	/* This function returns the effective level the spell	102	/* This function returns the effective level the spell
188	* is being cast at.	103	* is being cast at.
189	* Note that I changed the repelled/attuned bonus to 2 from 5.
190	* This is because the new code compares casting_level against
191	* min_caster_level, so the difference is effectively 4
192	*/	104	*/
193	int	105	int
194	caster_level (object *caster, object *spell)	106	casting_level (object *caster, object *spell)
195	{	107	{
196	int level = caster->level;	108	int level = caster->level;
197
198	/* If this is a player, try to find the matching skill */
199	if (caster->type == PLAYER && spell->skill)
200	for (int i = 0; i < NUM_SKILLS; i++)
201	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
202	{
203	level = caster->contr->last_skill_ob[i]->level;
204	break;
205	}
206		109
207	/* 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. */
208	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	111	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
209	{	112	{
210	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);
211	int sk_level = skill ? skill->level : 1;	114	int sk_level = skill ? skill->level : 1;
212		115
213	level = MIN (level, sk_level + level / 10 + 1);	116	level = min (level, sk_level + level / 10 + 1);
214	}	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;
215		121
216	/* Got valid caster level. Now adjust for attunement */	122	int bonus = attuned_bonus (caster, spell, level);
217	level += caster->path_repelled & spell->path_attuned ? -2 : 0;	123
218	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);
219		129
220	/* 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
221	* errors in various places.	131	* errors in various places.
222	*/	132	*/
223	return max (level, 1);	133	return clamp (level, 1, settings.max_level);
224	}	134	}
225		135
226	/* The following function scales the spellpoint cost of	136	/* The following function scales the spellpoint cost of
227	* a spell by it's increased effectiveness. Some of the	137	* a spell by it's increased effectiveness. Some of the
228	* lower level spells become incredibly vicious at high	138	* lower level spells become incredibly vicious at high
…		…
232	* caster is what is casting the spell, can be op.	142	* caster is what is casting the spell, can be op.
233	* spell is the spell object.	143	* spell is the spell object.
234	* 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
235	* mana. In that case, we return which ever value is higher.	145	* mana. In that case, we return which ever value is higher.
236	*/	146	*/
237
238	sint16	147	sint16
239	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	148	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
240	{	149	{
241	int sp, grace, level = caster_level (caster, spell);	150	int sp, grace, level = casting_level (caster, spell);
242		151
243	if (settings.spellpoint_level_depend == TRUE)	152	if (settings.spellpoint_level_depend == TRUE)
244	{	153	{
245	if (spell->stats.sp && spell->stats.maxsp)	154	if (spell->stats.sp && spell->stats.maxsp)
246	{
247	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));
248	}
249	else	156	else
250	sp = spell->stats.sp;	157	sp = spell->stats.sp;
251		158
252	sp *= (int) PATH_SP_MULT (caster, spell);	159	sp *= (int) PATH_SP_MULT (caster, spell);
253	if (!sp && spell->stats.sp)	160	if (!sp && spell->stats.sp)
254	sp = 1;	161	sp = 1;
255		162
256	if (spell->stats.grace && spell->stats.maxgrace)	163	if (spell->stats.grace && spell->stats.maxgrace)
257	{
258	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));
259	}
260	else	165	else
261	grace = spell->stats.grace;	166	grace = spell->stats.grace;
262		167
263	grace *= (int) PATH_SP_MULT (caster, spell);	168	grace *= PATH_SP_MULT (caster, spell);
264	if (spell->stats.grace && !grace)	169	if (spell->stats.grace && !grace)
265	grace = 1;	170	grace = 1;
266	}	171	}
267	else	172	else
268	{	173	{
269	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	174	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
270	if (spell->stats.sp && !sp)	175	if (spell->stats.sp && !sp)
271	sp = 1;	176	sp = 1;
		177
272	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	178	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
273	if (spell->stats.grace && !grace)	179	if (spell->stats.grace && !grace)
274	grace = 1;	180	grace = 1;
275	}	181	}
		182
276	if (flags == SPELL_HIGHEST)	183	if (flags == SPELL_HIGHEST)
277	return MAX (sp, grace);	184	return max (sp, grace);
278	else if (flags == SPELL_GRACE)	185	else if (flags == SPELL_GRACE)
279	return grace;	186	return grace;
280	else if (flags == SPELL_MANA)	187	else if (flags == SPELL_MANA)
281	return sp;	188	return sp;
282	else	189	else
…		…
284	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);
285	return 0;	192	return 0;
286	}	193	}
287	}	194	}
288		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	}
289		206
290	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	207	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
291	* spob is the spell we are adjusting.	208	* spob is the spell we are adjusting.
292	*/	209	*/
293	int	210	int
294	SP_level_dam_adjust (object *caster, object *spob)	211	SP_level_dam_adjust (object *caster, object *spob)
295	{	212	{
296	int level = caster_level (caster, spob);
297	int adj = level - min_casting_level (caster, spob);
298
299	if (adj < 0)
300	adj = 0;
301	if (spob->dam_modifier)	213	if (!spob->dam_modifier)
302	adj /= spob->dam_modifier;
303	else
304	adj = 0;
305	return adj;	214	return 0;
		215
		216	return SP_casting_level (caster, spob) / spob->dam_modifier;
306	}	217	}
307		218
308	/* Adjust the strength of the spell based on level.	219	/* Adjust the strength of the spell based on level.
309	* This is basically the same as SP_level_dam_adjust above,	220	* This is basically the same as SP_level_dam_adjust above,
310	* but instead looks at the level_modifier value.	221	* but instead looks at the level_modifier value.
311	*/	222	*/
312	int	223	int
313	SP_level_duration_adjust (object *caster, object *spob)	224	SP_level_duration_adjust (object *caster, object *spob)
314	{	225	{
315	int level = caster_level (caster, spob);
316	int adj = level - min_casting_level (caster, spob);
317
318	if (adj < 0)
319	adj = 0;
320	if (spob->duration_modifier)	226	if (!spob->duration_modifier)
321	adj /= spob->duration_modifier;
322	else
323	adj = 0;
324
325	return adj;	227	return 0;
		228
		229	return SP_casting_level (caster, spob) / spob->duration_modifier;
326	}	230	}
327		231
328	/* Adjust the strength of the spell based on level.	232	/* Adjust the strength of the spell based on level.
329	* This is basically the same as SP_level_dam_adjust above,	233	* This is basically the same as SP_level_dam_adjust above,
330	* but instead looks at the level_modifier value.	234	* but instead looks at the level_modifier value.
331	*/	235	*/
332	int	236	int
333	SP_level_range_adjust (object *caster, object *spob)	237	SP_level_range_adjust (object *caster, object *spob)
334	{	238	{
335	int level = caster_level (caster, spob);
336	int adj = level - min_casting_level (caster, spob);
337
338	if (adj < 0)
339	adj = 0;
340	if (spob->range_modifier)	239	if (!spob->range_modifier)
341	adj /= spob->range_modifier;
342	else
343	adj = 0;
344
345	return adj;	240	return 0;
		241
		242	return SP_casting_level (caster, spob) / spob->range_modifier;
346	}	243	}
347		244
348	/* 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
349	* as an existing spell, we presume they know it.	246	* as an existing spell, we presume they know it.
350	* 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.
351	*/	248	*/
352	object *	249	object *
353	check_spell_known (object *op, const char *name)	250	check_spell_known (object *op, shstr_cmp name)
354	{	251	{
355	object *spop;	252	object *spop;
356		253
357	for (spop = op->inv; spop; spop = spop->below)	254	for (spop = op->inv; spop; spop = spop->below)
358	if (spop->type == SPELL && !strcmp (spop->name, name))	255	if (spop->type == SPELL && spop->name == name)
359	return spop;	256	return spop;
360		257
361	return NULL;	258	return 0;
362	}	259	}
363		260
364		261	/*
365	/*
366	* Look at object 'op' and see if they know the spell	262	* Look at object 'op' and see if they know the spell
367	* spname. This is pretty close to check_spell_known	263	* spname. This is pretty close to check_spell_known
368	* above, but it uses a looser matching mechanism.	264	* above, but it uses a looser matching mechanism.
369	* returns the matching spell object, or NULL.	265	* returns the matching spell object, or NULL.
370	* If we match multiple spells but don't get an	266	* If we match multiple spells but don't get an
371	* exact match, we also return NULL.	267	* exact match, we also return NULL.
372	*/	268	*/
373
374	object *	269	object *
375	lookup_spell_by_name (object *op, const char *spname)	270	object::find_spell (const_utf8_string prefix) const
376	{	271	{
377	object *spob1 = NULL, *spob2 = NULL, *spob;	272	if (shstr_cmp name = prefix)
378	int nummatch = 0;	273	{
379		274	// case 1, match spell name exactly
380	if (spname == NULL)
381	return NULL;
382
383	/* Try to find the spell. We store the results in spob1
384	* and spob2 - spob1 is only taking the length of
385	* the past spname, spob2 uses the length of the spell name.
386	*/
387	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;
388	{	278	}
		279	else
		280	{
		281	// case 2, match prefix
		282	int len = strlen (prefix);
		283
		284	for (object *spob = inv; spob; spob = spob->below)
389	if (spob->type == SPELL)	285	if (spob->type == SPELL
390	{	286	&& spob->name.length () < len
391	if (!strncmp (spob->name, spname, strlen (spname)))	287	&& prefix [spob->name.length ()] <= ' '
392	{	288	&& !memcmp (prefix, spob->name, spob->name.length ()))
393	nummatch++;
394	spob1 = spob;
395	}
396	else if (!strncmp (spob->name, spname, strlen (spob->name)))
397	{
398	/* if spells have ambiguous names, it makes matching
399	* really difficult. (eg, fire and fireball would
400	* fall into this category). It shouldn't be hard to
401	* make sure spell names don't overlap in that fashion.
402	*/
403	if (spob2)
404	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
405	spob2 = spob;
406	}
407	}
408	}
409	/* if we have best match, return it. Otherwise, if we have one match
410	* on the loser match, return that, otehrwise null
411	*/
412	if (spob2)
413	return spob2;	289	return spob;
414	if (spob1 && nummatch == 1)	290	}
415	return spob1;	291
416	return NULL;	292	return 0;
417	}	293	}
418		294
419	/* reflwall - decides weither the (spell-)object sp_op will	295	/* reflwall - decides weither the (spell-)object sp_op will
420	* be reflected from the given mapsquare. Returns 1 if true.	296	* be reflected from the given mapsquare. Returns 1 if true.
421	* (Note that for living creatures there is a small chance that	297	* (Note that for living creatures there is a small chance that
…		…
424	* eg, updated for tiled maps.	300	* eg, updated for tiled maps.
425	*/	301	*/
426	int	302	int
427	reflwall (maptile *m, int x, int y, object *sp_op)	303	reflwall (maptile *m, int x, int y, object *sp_op)
428	{	304	{
429	object *op;
430
431	if (OUT_OF_REAL_MAP (m, x, y))	305	if (OUT_OF_REAL_MAP (m, x, y))
432	return 0;	306	return 0;
		307
433	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)
434	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	309	if (op->flag [FLAG_REFL_SPELL]
435	&& (!QUERY_FLAG (op, FLAG_ALIVE)	310	&& (!op->flag [FLAG_ALIVE]
436	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	311	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
437	return 1;	312	return 1;
438		313
439	return 0;	314	return 0;
440	}	315	}
441		316
442	/* cast_create_object: creates object new_op in direction dir	317	/* cast_create_object: creates object new_op in direction dir
443	* or if that is blocked, beneath the player (op).	318	* or if that is blocked, beneath the player (op).
444	* we pass 'caster', but don't use it for anything.	319	* we pass 'caster', but don't use it for anything.
445	* This is really just a simple wrapper function .	320	* This is really just a simple wrapper function .
446	* returns the direction that the object was actually placed	321	* returns true to indicate whether the operation was successful.
447	* in.	322	* destroys the object is unsuccessful.
448	*/	323	*/
449	int	324	bool
450	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)
451	{	326	{
452	maptile *m;	327	mapxy pos (op);
453	sint16 sx, sy;	328	pos.move (dir);
454		329
455	if (dir &&	330	if (!pos.normalise ()
456	((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
457	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))	332	|| !new_op->can_drop_at (pos.m, pos.x, pos.y)
458	{	333	)
459	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
460	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
461	dir = 0;
462	}	334	{
		335	op->failmsg ("Your spell fizzles! H<Something is in the way.>");
		336	new_op->destroy ();
		337	return 0;
		338	}
463		339
464	op->map->insert (new_op,	340	new_op->set_flag (FLAG_IDENTIFIED);
465	op->x + freearr_x[dir], op->y + freearr_y[dir],
466	op,
467	dir ? 0 : INS_BELOW_ORIGINATOR);
468		341
		342	pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR);
		343
469	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;
470	}	363	}
471		364
472	/* 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.
473	* immune_stop is basically the attacktype of the spell (why	366	* immune_stop is basically the attacktype of the spell (why
474	* passed as a different value, not sure of). If immune_stop	367	* passed as a different value, not sure of). If immune_stop
475	* has the AT_MAGIC bit set, and there is a counterwall	368	* has the AT_MAGIC bit set, and there is a counterwall
476	* 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
477	* 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.
478	*
479	*/	371	*/
480	int	372	int
481	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)
482	{	374	{
483	if (!xy_normalise (m, x, y))	375	if (!xy_normalise (m, x, y))
484	return 0;	376	return 0;
485		377
486	mapspace &ms = m->at (x, y);	378	mapspace &ms = m->at (x, y);
		379	ms.update ();
487		380
488	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	381	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
489	return 0;	382	return 0;
490		383
		384	int max_effects = 5; // max. number of similar spells per mapspace
		385
491	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	386	for (object *tmp = ms.top; tmp; tmp = tmp->below)
492	{	387	{
493	/* If there is a counterspell on the space, and this	388	/* If there is a counterspell on the space, and this
494	* object is using magic, don't progress. I believe we could	389	* object is using magic, don't progress. I believe we could
495	* 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
496	* 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
…		…
498	* 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
499	* 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
500	* spell to actually hit the counterwall and be sucked up.	395	* spell to actually hit the counterwall and be sucked up.
501	*/	396	*/
502	if ((tmp->attacktype & AT_COUNTERSPELL)	397	if ((tmp->attacktype & AT_COUNTERSPELL)
503	&& !QUERY_FLAG (tmp, FLAG_MONSTER)	398	&& !tmp->flag [FLAG_MONSTER]
504	&& (tmp->type != PLAYER)	399	&& (tmp->type != PLAYER)
505	&& (tmp->type != WEAPON)	400	&& (tmp->type != WEAPON)
506	&& (tmp->type != BOW)	401	&& (tmp->type != BOW)
507	&& (tmp->type != ARROW)	402	&& (tmp->type != ARROW)
508	&& (tmp->type != GOLEM)	403	&& (tmp->type != GOLEM)
509	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:	404	&& !tmp->flag [FLAG_IS_FLOOR] // XXX:
510	// we special case floor here because there	405	// we special case floor here because there
511	// are sometimes spell effect floors	406	// are sometimes spell effect floors
512	// which are used to inflict damage	407	// which are used to inflict damage
513	// (and those shouldn't go away from	408	// (and those shouldn't go away from
514	// sanctuary) see also: permanent lava	409	// sanctuary) see also: permanent lava
515	&& (immune_stop & AT_MAGIC))	410	&& (immune_stop & AT_MAGIC))
516	return 0;	411	return 0;
517		412
518	/* This is to prevent 'out of control' spells. Basically, this
519	* limits one spell effect per space per spell. This is definately
520	* needed for performance reasons, and just for playability I believe.
521	* there are no such things as multispaced spells right now, so
522	* we don't need to worry about the head.
523	*/
524	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
525	return 0;
526
527	/*
528	* Combine similar spell effects into one spell effect. Needed for
529	* performance reasons with meteor swarm and the like, but also for
530	* playability reasons.
531	*/
532	if (tmp->arch == op->arch
533	&& tmp->type == op->type	413	if (tmp->type == op->type)
534	&& tmp->subtype == op->subtype
535	&& tmp->owner == op->owner
536	&& ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
537	{	414	{
538	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	415	if (tmp->subtype == op->subtype
539	tmp->range = MAX (tmp->range, op->range);	416	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
540	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)
541	return 0;	447	return 0;
542	}	448	}
543		449
544	/* 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
545	* ground to prevent it from moving along?	451	* ground to prevent it from moving along?
546	*/	452	*/
…		…
558	* dir: direction to fire in.	464	* dir: direction to fire in.
559	* 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
560	* to fire.	466	* to fire.
561	* returns 0 on failure, 1 on success.	467	* returns 0 on failure, 1 on success.
562	*/	468	*/
563
564	int	469	int
565	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)
566	{	471	{
567	object *tmp;
568	int mflags;
569	maptile *m;
570
571	if (spell->other_arch == NULL)	472	if (!spell->other_arch)
572	return 0;	473	return 0;
573		474
574	m = op->map;	475	object *tmp = spell->other_arch->instance ();
575	mflags = get_map_flags (m, &m, x, y, &x, &y);
576	if (mflags & P_OUT_OF_MAP)
577	{
578	return 0;
579	}
580		476
581	tmp = arch_to_object (spell->other_arch);	477	if (!tmp)
582
583	if (tmp == NULL)
584	return 0;	478	return 0;
585
586	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
587	{
588	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
589	tmp->destroy ();
590	return 0;
591	}
592		479
593	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);
594	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	481	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
595	/* 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 */
596	tmp->stats.food = tmp->duration;	483	tmp->stats.food = tmp->duration;
597	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	484	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
598	tmp->attacktype = spell->attacktype;	485	tmp->attacktype = spell->attacktype;
599	tmp->x = x;
600	tmp->y = y;
601	tmp->direction = dir;	486	tmp->direction = dir;
602	if (op->owner != NULL)
603	tmp->set_owner (op);	487	tmp->set_owner (op);
604	else
605	tmp->set_owner (op);
606	tmp->level = caster_level (caster, spell);	488	tmp->level = casting_level (caster, spell);
607	set_spell_skill (op, caster, spell, tmp);	489	set_spell_skill (op, caster, spell, tmp);
608		490
609	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	491	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
610	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	492	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
611	{
612	if (!tailor_god_spell (tmp, op))	493	if (!tailor_god_spell (tmp, op))
613	return 0;	494	return 0;
614	}	495
615	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	496	if (tmp->flag [FLAG_IS_TURNABLE])
616	SET_ANIMATION (tmp, dir);	497	SET_ANIMATION (tmp, dir);
617		498
618	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	499	if ((tmp = op->map->insert (tmp, x, y, op)))
619	move_spell_effect (tmp);	500	move_spell_effect (tmp);
620		501
621	return 1;	502	return 1;
622	}	503	}
623		504
…		…
628	****************************************************************************/	509	****************************************************************************/
629	void	510	void
630	regenerate_rod (object *rod)	511	regenerate_rod (object *rod)
631	{	512	{
632	if (rod->stats.hp < rod->stats.maxhp)	513	if (rod->stats.hp < rod->stats.maxhp)
633	{	514	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
634	rod->stats.hp += 1 + rod->stats.maxhp / 10;
635
636	if (rod->stats.hp > rod->stats.maxhp)
637	rod->stats.hp = rod->stats.maxhp;
638	}
639	}	515	}
640
641		516
642	void	517	void
643	drain_rod_charge (object *rod)	518	drain_rod_charge (object *rod)
644	{	519	{
645	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	520	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
…		…
664	{	539	{
665	tmp = op->owner;	540	tmp = op->owner;
666	/* 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
667	* to the caster.	542	* to the caster.
668	*/	543	*/
669	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	544	if (!tmp || !tmp->flag [FLAG_MONSTER])
670	tmp = op;	545	tmp = op;
671	}	546	}
672	else	547	else
673	{	548	{
674	maptile *m = op->map;	549	maptile *m = op->map;
675	sint16 x = op->x + freearr_x[dir];	550	sint16 x = op->x + DIRX (dir);
676	sint16 y = op->y + freearr_y[dir];	551	sint16 y = op->y + DIRY (dir);
677		552
678	tmp = xy_normalise (m, x, y)	553	tmp = xy_normalise (m, x, y)
679	? m->at (x, y).player ()	554	? m->at (x, y).player ()
680	: 0;	555	: 0;
681	}	556	}
…		…
684	if (!tmp)	559	if (!tmp)
685	tmp = op->ms ().player ();	560	tmp = op->ms ().player ();
686		561
687	return tmp;	562	return tmp;
688	}	563	}
689
690
691		564
692	/* raytrace:	565	/* raytrace:
693	* 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
694	* 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
695	* live objects.	568	* live objects.
…		…
698	* monsters/generators only. If not, the spell will hunt players only.	571	* monsters/generators only. If not, the spell will hunt players only.
699	* 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
700	* any, otherwise -1.	573	* any, otherwise -1.
701	* 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.
702	*/	575	*/
703
704	int	576	int
705	spell_find_dir (maptile *m, int x, int y, object *exclude)	577	spell_find_dir (maptile *m, int x, int y, object *exclude)
706	{	578	{
707	int i, max = SIZEOFFREE;	579	int i, max = SIZEOFFREE;
708	sint16 nx, ny;	580	sint16 nx, ny;
…		…
715	if (exclude && exclude->type)	587	if (exclude && exclude->type)
716	owner_type = exclude->type;	588	owner_type = exclude->type;
717		589
718	for (i = rndm (1, 8); i < max; i++)	590	for (i = rndm (1, 8); i < max; i++)
719	{	591	{
720	nx = x + freearr_x[i];	592	nx = x + DIRX (i);
721	ny = y + freearr_y[i];	593	ny = y + DIRY (i);
722	mp = m;	594	mp = m;
723	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	595	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
724	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))	596	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
725	continue;	597	continue;
726		598
727	tmp = GET_MAP_OB (mp, nx, ny);	599	tmp = GET_MAP_OB (mp, nx, ny);
728		600
729	while (tmp != NULL && (((owner_type == PLAYER &&	601	while (tmp != NULL && (((owner_type == PLAYER &&
730	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	602	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
731	(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))))
732	tmp = tmp->above;	604	tmp = tmp->above;
733		605
734	if (tmp != NULL && can_see_monsterP (m, x, y, i))	606	if (tmp != NULL && can_see_monsterP (m, x, y, i))
735	return freedir[i];	607	return freedir[i];
736	}	608	}
737	return -1; /* flag for "keep going the way you were" */	609	return -1; /* flag for "keep going the way you were" */
738	}	610	}
739
740
741		611
742	/* put_a_monster: puts a monster named monstername near by	612	/* put_a_monster: puts a monster named monstername near by
743	* op. This creates the treasures for the monsters, and	613	* op. This creates the treasures for the monsters, and
744	* also deals with multipart monsters properly.	614	* also deals with multipart monsters properly.
745	*/	615	*/
746		616	static void
747	void
748	put_a_monster (object *op, const char *monstername)	617	put_a_monster (object *op, const char *monstername)
749	{	618	{
750	object *tmp, *head = NULL, *prev = NULL;	619	object *tmp, *head = NULL, *prev = NULL;
751	archetype *at;	620	archetype *at;
752	int dir;	621	int dir;
…		…
755		624
756	if ((at = archetype::find (monstername)) == NULL)	625	if ((at = archetype::find (monstername)) == NULL)
757	return;	626	return;
758		627
759	/* find a free square nearby	628	/* find a free square nearby
760	* first we check the closest square for free squares	629	* first we check the closest square for free squares
761	*/	630	*/
762		631
763	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	632	dir = find_first_free_spot (at, op->map, op->x, op->y);
764	if (dir != -1)	633	if (dir != -1)
765	{	634	{
766	/* This is basically grabbed for generate monster. Fixed 971225 to	635	/* This is basically grabbed for generate monster. Fixed 971225 to
767	* insert multipart monsters properly	636	* insert multipart monsters properly
768	*/	637	*/
		638	//TODO: use expand_tail + ...
769	while (at != NULL)	639	while (at != NULL)
770	{	640	{
771	tmp = arch_to_object (at);	641	tmp = at->instance ();
772	tmp->x = op->x + freearr_x[dir] + at->clone.x;	642	tmp->x = op->x + DIRX (dir) + at->x;
773	tmp->y = op->y + freearr_y[dir] + at->clone.y;	643	tmp->y = op->y + DIRY (dir) + at->y;
774	tmp->map = op->map;	644	tmp->map = op->map;
775	if (head)	645	if (head)
776	{	646	{
777	tmp->head = head;	647	tmp->head = head;
778	prev->more = tmp;	648	prev->more = tmp;
779	}	649	}
		650
780	if (!head)	651	if (!head)
781	head = tmp;	652	head = tmp;
		653
782	prev = tmp;	654	prev = tmp;
		655
783	at = at->more;	656	at = (archetype *)at->more;
784	}	657	}
785		658
786	if (head->randomitems)	659	if (head->randomitems)
787	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	660	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
788		661
789	insert_ob_in_map (head, op->map, op, 0);	662	insert_ob_in_map (head, op->map, op, 0);
790		663
791	/* thought it'd be cool to insert a burnout, too. */	664	/* thought it'd be cool to insert a burnout, too. */
792	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);
793	}	666	}
794	}	667	}
795		668
796	/* peterm: function which summons hostile monsters and	669	/* peterm: function which summons hostile monsters and
797	* places them in nearby squares.	670	* places them in nearby squares.
…		…
804	* 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
805	* 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
806	* never used. This is however used by various failures on the	679	* never used. This is however used by various failures on the
807	* players part (alchemy, reincarnation, etc)	680	* players part (alchemy, reincarnation, etc)
808	*/	681	*/
809
810	int	682	int
811	summon_hostile_monsters (object *op, int n, const char *monstername)	683	summon_hostile_monsters (object *op, int n, const char *monstername)
812	{	684	{
813	int i;	685	int i;
814		686
…		…
824	{	696	{
825	int attacktype;	697	int attacktype;
826	int face;	698	int face;
827	} ATTACKS[22] =	699	} ATTACKS[22] =
828	{	700	{
829	{
830	AT_PHYSICAL, 0},	701	{ AT_PHYSICAL, 0},
831	{
832	AT_PHYSICAL, 0}, /*face = explosion */	702	{ AT_PHYSICAL, 0}, /*face = explosion */
833	{
834	AT_PHYSICAL, 0},	703	{ AT_PHYSICAL, 0},
835	{
836	AT_MAGIC, 1},	704	{ AT_MAGIC, 1},
837	{
838	AT_MAGIC, 1}, /* face = last-burnout */	705	{ AT_MAGIC, 1}, /* face = last-burnout */
839	{
840	AT_MAGIC, 1},	706	{ AT_MAGIC, 1},
841	{
842	AT_FIRE, 2},	707	{ AT_FIRE, 2},
843	{
844	AT_FIRE, 2}, /* face = fire.... */	708	{ AT_FIRE, 2}, /* face = fire.... */
845	{
846	AT_FIRE, 2},	709	{ AT_FIRE, 2},
847	{
848	AT_ELECTRICITY, 3},	710	{ AT_ELECTRICITY, 3},
849	{
850	AT_ELECTRICITY, 3}, /* ball_lightning */	711	{ AT_ELECTRICITY, 3}, /* ball_lightning */
851	{
852	AT_ELECTRICITY, 3},	712	{ AT_ELECTRICITY, 3},
853	{
854	AT_COLD, 4},	713	{ AT_COLD, 4},
855	{
856	AT_COLD, 4}, /* face=icestorm */	714	{ AT_COLD, 4}, /* face=icestorm */
857	{
858	AT_COLD, 4},	715	{ AT_COLD, 4},
859	{
860	AT_CONFUSION, 5},	716	{ AT_CONFUSION, 5},
861	{
862	AT_POISON, 7},	717	{ AT_POISON, 7},
863	{
864	AT_POISON, 7}, /* face = acid sphere. generator */	718	{ AT_POISON, 7}, /* face = acid sphere. generator */
865	{
866	AT_POISON, 7}, /* poisoncloud face */	719	{ AT_POISON, 7}, /* poisoncloud face */
867	{
868	AT_SLOW, 8},	720	{ AT_SLOW, 8},
869	{
870	AT_PARALYZE, 9},	721	{ AT_PARALYZE, 9},
871	{
872	AT_FEAR, 10}};	722	{ AT_FEAR, 10},
873		723	};
874
875		724
876	/* shuffle_attack: peterm	725	/* shuffle_attack: peterm
877	* This routine shuffles the attack of op to one of the	726	* This routine shuffles the attack of op to one of the
878	* ones in the list. It does this at random. It also	727	* ones in the list. It does this at random. It also
879	* chooses a face appropriate to the attack that is	728	* chooses a face appropriate to the attack that is
880	* being committed by that square at the moment.	729	* being committed by that square at the moment.
881	* 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
882	* chaos.	731	* chaos.
883	* This could really be a better implementation - the	732	* This could really be a better implementation - the
884	* faces and attacktypes above are hardcoded, which is never	733	* faces and attacktypes above are hardcoded, which is never
885	* good. The faces refer to faces in the animation sequence.	734	* good. The faces refer to faces in the animation sequence.
…		…
902	{	751	{
903	SET_ANIMATION (op, ATTACKS[i].face);	752	SET_ANIMATION (op, ATTACKS[i].face);
904	}	753	}
905	}	754	}
906		755
907
908	/* prayer_failure: This is called when a player fails	756	/* prayer_failure: This is called when a player fails
909	* at casting a prayer.	757	* at casting a prayer.
910	* op is the player.	758	* op is the player.
911	* failure is basically how much grace they had.	759	* failure is basically how much grace they had.
912	* 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.
913	*/	761	*/
914		762
915	void	763	#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
		764
		765	static void
916	prayer_failure (object *op, int failure, int power)	766	prayer_failure (object *op, int failure, int power)
917	{	767	{
918	const char *godname;	768	const char *godname;
919	object *tmp;	769	object *tmp;
920		770
921	if (!strcmp ((godname = determine_god (op)), "none"))	771	if (!strcmp ((godname = determine_god (op)), "none"))
922	godname = "Your spirit";	772	godname = "Your spirit";
923		773
924	if (failure <= -20 && failure > -40) /* wonder */	774	if (failure <= -20 && failure > -40) /* wonder */
925	{	775	{
926	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);
927	tmp = get_archetype (SPELL_WONDER);	777	tmp = archetype::get (SPELL_WONDER);
928	cast_cone (op, op, 0, tmp);	778	cast_cone (op, op, 0, tmp);
929	tmp->destroy ();	779	tmp->destroy ();
930	}	780	}
931		781
932	else if (failure <= -40 && failure > -60) /* confusion */	782	else if (failure <= -40 && failure > -60) /* confusion */
933	{	783	{
934	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	784	op->failmsg ("Your diety touches your mind!" HINT_GRACE);
935	confuse_player (op, op, 99);	785	confuse_player (op, op, 99);
936	}	786	}
937	else if (failure <= -60 && failure > -150) /* paralysis */	787	else if (failure <= -60 && failure > -150) /* paralysis */
938	{	788	{
939	new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname);	789	op->failmsgf ("%s requires you to pray NOW. "
940	new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else.");	790	"You comply, ignoring all else." HINT_GRACE,
		791	godname);
941	paralyze_player (op, op, 99);	792	paralyze_player (op, op, 99);
942	}	793	}
943	else if (failure <= -150) /* blast the immediate area */	794	else if (failure <= -150) /* blast the immediate area */
944	{	795	{
945	tmp = get_archetype (GOD_POWER);	796	tmp = archetype::get (GOD_POWER);
946	new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname);	797	op->failmsgf ("%s smites you!" HINT_GRACE, godname);
947	cast_magic_storm (op, tmp, power);	798	cast_magic_storm (op, tmp, power);
948	}	799	}
949	}	800	}
950		801
951	/*	802	/*
952	* spell_failure() handles the various effects for differing degrees	803	* spell_failure() handles the various effects for differing degrees
953	* of failure badness.	804	* of failure badness.
954	* op is the player that failed.	805	* op is the player that failed.
955	* failure is a random value of how badly you failed.	806	* failure is a random value of how badly you failed.
956	* 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.
957	* skill is the skill you'd need to cast the spell.	808	* skill is the skill you'd need to cast the spell.
958	*/	809	*/
959
960	void	810	void
961	spell_failure (object *op, int failure, int power, object *skill)	811	spell_failure (object *op, int failure, int power, object *skill)
962	{	812	{
963	object *tmp;	813	object *tmp;
964		814
965	if (settings.spell_failure_effects == FALSE)	815	if (settings.spell_failure_effects == FALSE)
966	return;	816	return;
967		817
968	if (failure <= -20 && failure > -40) /* wonder */	818	if (failure <= -20 && failure > -40) /* wonder */
969	{	819	{
970	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	820	op->failmsg ("Your spell causes an unexpected effect.");
971	tmp = get_archetype (SPELL_WONDER);	821	tmp = archetype::get (SPELL_WONDER);
972	cast_cone (op, op, 0, tmp);	822	cast_cone (op, op, 0, tmp);
973	tmp->destroy ();	823	tmp->destroy ();
974	}	824	}
975		825
976	else if (failure <= -40 && failure > -60) /* confusion */	826	else if (failure <= -40 && failure > -60) /* confusion */
977	{	827	{
978	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!");
979	confuse_player (op, op, 99);	829	confuse_player (op, op, 99);
980	}	830	}
981	else if (failure <= -60 && failure > -80) /* paralysis */	831	else if (failure <= -60 && failure > -80) /* paralysis */
982	{	832	{
983	new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!");	833	op->failmsg ("Your magic stuns you!");
984	paralyze_player (op, op, 99);	834	paralyze_player (op, op, 99);
985	}	835	}
986	else if (failure <= -80) /* blast the immediate area */	836	else if (failure <= -80) /* blast the immediate area */
987	{	837	{
988	object *tmp;	838	object *tmp;
989		839
990	/* 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 */
991	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)
992	{	842	{
993	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!");
994	hit_player (op, 9998, op, AT_INTERNAL, 1);	844	hit_player (op, 9998, op, AT_INTERNAL, 1);
995		845
996	}	846	}
997	else	847	else
998	{	848	{
999	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!");
1000	tmp = get_archetype (LOOSE_MANA);	850	tmp = archetype::get (LOOSE_MANA);
1001	tmp->level = skill->level;	851	tmp->level = skill->level;
1002		852
1003	/* increase the area of destruction a little for more powerful spells */	853	/* increase the area of destruction a little for more powerful spells */
1004	tmp->range += isqrt (power);	854	tmp->range += isqrt (power);
1005		855
…		…
1013	tmp->insert_at (op);	863	tmp->insert_at (op);
1014	}	864	}
1015	}	865	}
1016	}	866	}
1017		867
1018	int	868	static int
1019	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)
1020	{	870	{
1021	int success;
1022	object *spell;
1023
1024	if (!spell_ob->other_arch)	871	if (!spell_ob->other_arch)
1025	{	872	{
1026	LOG (llevError, "cast_party_spell: empty other arch\n");	873	LOG (llevError, "cast_party_spell: empty other arch\n");
1027	return 0;	874	return 0;
1028	}	875	}
1029	spell = arch_to_object (spell_ob->other_arch);	876
		877	object *spell = spell_ob->other_arch->instance ();
1030		878
1031	/* Always cast spell on caster */	879	/* Always cast spell on caster */
1032	success = cast_spell (op, caster, dir, spell, stringarg);	880	int success = cast_spell (op, caster, dir, spell, spellparam);
1033		881
1034	if (caster->contr->party == NULL)	882	if (!op->contr || !op->contr->party)
1035	{	883	{
1036	spell->remove ();	884	spell->remove ();
1037	return success;	885	return success;
1038	}	886	}
		887
1039	for_all_players (pl)	888	for_all_players (pl)
1040	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	889	if ((pl->ob->contr->party == op->contr->party)
1041	{	890	&& on_same_map (pl->ob, op)
		891	&& pl->ob != op)
1042	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	892	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1043	}	893
1044	spell->remove ();	894	spell->remove ();
1045	return success;	895	return success;
1046	}	896	}
1047		897
1048	/* This is where the main dispatch when someone casts a spell.	898	/* This is where the main dispatch when someone casts a spell.
…		…
1053	* same as op.	903	* same as op.
1054	* 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
1055	* is self only, dir really doesn't make a difference.	905	* is self only, dir really doesn't make a difference.
1056	* 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,
1057	* we can determine what to do.	907	* we can determine what to do.
1058	* 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
1059	* 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
1060	* 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,
1061	* etc.	911	* etc.
1062	* 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
1063	* 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
…		…
1070	*	920	*
1071	* 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),
1072	* this function will decrease the mana/grace appropriately. For other	922	* this function will decrease the mana/grace appropriately. For other
1073	* objects, the caller should do what it considers appropriate.	923	* objects, the caller should do what it considers appropriate.
1074	*/	924	*/
1075
1076	int	925	int
1077	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)
1078	{	927	{
1079	const char *godname;	928	const char *godname;
1080	int success = 0, mflags, cast_level = 0, old_shoottype;	929	int success = 0;
1081	object *skill = NULL;
1082		930
1083	old_shoottype = op->contr ? op->contr->shoottype : 0;	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
1084		934
1085	if (!spell_ob)	935	if (!spell_ob)
1086	{	936	{
1087	LOG (llevError, "cast_spell: null spell object passed\n");	937	LOG (llevError, "cast_spell: null spell object passed\n");
1088	return 0;	938	return 0;
…		…
1096	{	946	{
1097	LOG (llevError, "cast_spell: null caster object passed\n");	947	LOG (llevError, "cast_spell: null caster object passed\n");
1098	return 0;	948	return 0;
1099	}	949	}
1100		950
1101	/* 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
1102	* an issue, because they don't have any spellpaths set up.	952	* an issue, because they don't have any spellpaths set up.
1103	*/	953	*/
1104	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])
1105	{	955	{
1106	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	956	op->failmsg ("That spell path is denied to you.");
1107	return 0;	957	return 0;
1108	}	958	}
1109		959
		960	object *skill = 0;
		961
1110	/* 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
1111	* (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
1112	* checks. We let monsters do special things - eg, they	964	* checks. We let monsters do special things - eg, they
1113	* 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
1114	* should take care of that.	966	* should take care of that.
1115	* 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
1116	* 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
1117	* at least process that code.	969	* at least process that code.
1118	*/	970	*/
1119	if (op->type == PLAYER && op == caster)	971	if (op->type == PLAYER && op == caster)
1120	{	972	{
1121	cast_level = caster_level (caster, spell_ob);
1122	if (spell_ob->skill)	973	if (spell_ob->skill)
1123	{	974	{
1124	skill = find_skill_by_name (op, spell_ob->skill);	975	skill = find_skill_by_name (op, spell_ob->skill);
		976
1125	if (!skill)	977	if (!skill)
1126	{	978	{
1127	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);
1128	return 0;	983	return 0;
1129	}	984	}
1130	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	985
		986	const char *msg = "";
		987
		988	int caster_level = skill->level;
		989
		990	if (op->path_attuned & spell_ob->path_attuned)
1131	{	991	{
1132	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 ())
1133	return 0;	1008	return 0;
1134	}	1009	}
1135	}	1010	}
		1011
1136	/* 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
1137	* to have sufficient grace/mana.	1013	* to have sufficient grace/mana.
1138	*/	1014	*/
1139	if (!QUERY_FLAG (op, FLAG_WIZ))	1015	if (!op->flag [FLAG_WIZCAST])
1140	{	1016	{
1141	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1017	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1142	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)
1143	{	1019	{
1144	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1020	op->failmsg ("You don't have enough mana!");
1145	return 0;	1021	return 0;
1146	}	1022	}
1147		1023
1148	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1024	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1149	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)
1150	{	1026	{
1151	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 -
1152	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)
1153	{
1154	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));
1155	}
1156	else	1030	else
1157	{	1031	{
1158	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);
1159	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1033	op->failmsgf ("%s ignores your prayer.", godname);
1160	return 0;	1034	return 0;
1161	}	1035	}
1162	}	1036	}
1163		1037
1164	/* player/monster is trying to cast the spell. might fumble it */	1038	/* player/monster is trying to cast the spell. might fumble it */
1165	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) <
1166	(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]))
1167	{	1041	{
1168	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1042	op->contr->play_sound (sound_find ("fumble_spell"));
1169	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1043	op->failmsg ("You fumble the prayer.");
1170
1171	if (settings.casting_time == TRUE)
1172	op->casting_time = -1;
1173		1044
1174	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);
1175	return 0;	1046	return 0;
1176	}	1047	}
1177	else if (spell_ob->stats.sp)	1048	else if (spell_ob->stats.sp)
1178	{	1049	{
1179	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;
1180		1051
1181	if (failure < 0)	1052	if (failure < 0)
1182	{	1053	{
1183	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.");
1184	if (settings.spell_failure_effects == TRUE)	1055	if (settings.spell_failure_effects == TRUE)
1185	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);
1186	op->contr->shoottype = (rangetype) old_shoottype;	1057
1187	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);
1188	return 0;	1059	return 0;
1189	}	1060	}
1190	}	1061	}
1191	}	1062	}
1192	}	1063	}
1193		1064
1194	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1065	int mflags = op->ms ().flags ();
1195		1066
1196	/* 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
1197	* not alive, then this would mean that the mapmaker put the	1068	* not alive, then this would mean that the mapmaker put the
1198	* objects on the space - presume that they know what they are	1069	* objects on the space - presume that they know what they are
1199	* doing.	1070	* doing.
1200	*/	1071	*/
1201		1072
1202	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 :-)!
1203	{	1074	{
		1075	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1204	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!");
1205	return 0;	1077	return 0;
1206	}	1078	}
1207		1079
1208	if ((spell_ob->type == SPELL)	1080	if ((spell_ob->type == SPELL)
1209	&& (caster->type != POTION)	1081	&& (caster->type != POTION)
1210	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1082	&& !op->flag [FLAG_WIZCAST]
1211	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1083	&& (caster->flag [FLAG_ALIVE]
1212	|| QUERY_FLAG (op, FLAG_ALIVE))	1084	|| op->flag [FLAG_ALIVE])
1213	&& (((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)))
1214	{	1086	{
1215	if (op->type != PLAYER)	1087	if (op->type != PLAYER)
1216	return 0;	1088	return 0;
1217		1089
1218	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1090	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1219	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);
1220	else	1092	else if (object *item = op->contr->ranged_ob)
1221	switch (op->contr->shoottype)
1222	{	1093	{
1223	case range_magic:	1094	if (item->type == SPELL)
1224	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1095	op->failmsg ("Something blocks your spellcasting.");
1225	break;	1096	else if (item->type == SCROLL)
1226	case range_misc:	1097	op->failmsg ("Something blocks the magic of your scroll.");
1227	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1228	break;
1229	case range_golem:
1230	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1231	break;
1232	default:
1233	break;
1234	}
1235	return 0;
1236	}
1237
1238	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1239	{
1240	if (op->casting_time == -1)
1241	{ /* begin the casting */
1242	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1243	op->spell = spell_ob;
1244	/* put the stringarg into the object struct so that when the
1245	* spell is actually cast, it knows about the stringarg.
1246	* necessary for the invoke command spells.
1247	*/
1248	if (stringarg)
1249	{
1250	op->spellarg = strdup (stringarg);
1251	}
1252	else	1098	else
1253	op->spellarg = NULL;	1099	op->failmsg ("Something blocks the magic of your item.");
1254	return 0;
1255	}
1256	else if (op->casting_time != 0)
1257	{
1258	if (op->type == PLAYER)
1259	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1260	return 0;
1261	}	1100	}
1262	else	1101	else
1263	{ /* casting_time == 0 */	1102	op->failmsg ("Something blocks the spell!");
1264	op->casting_time = -1;	1103
1265	spell_ob = op->spell;	1104	return 0;
1266	stringarg = op->spellarg;
1267	}
1268	}
1269	else
1270	{	1105	}
		1106
		1107	// undo the flood protection from earlier
		1108	op->speed_left += 4 * op->speed; // ~0.5s on failure
		1109
1271	/* Take into account how long it takes to cast the spell.	1110	/* Take into account how long it takes to cast the spell.
1272	* 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
1273	* the spell object. If it is a spell object, have it	1112	* the spell object. If it is a spell object, have it
1274	* take two ticks. Things that cast spells on the players	1113	* take two ticks. Things that cast spells on the players
1275	* behalf (eg, altars, and whatever else) shouldn't cost	1114	* behalf (eg, altars, and whatever else) shouldn't cost
1276	* the player any time.	1115	* the player any time.
1277	* Ignore casting time for firewalls	1116	* Ignore casting time for firewalls
		1117	*/
		1118	if (caster == op && caster->type != FIREWALL)
		1119	{
		1120	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1121	/* Other portions of the code may also decrement the speed of the player, so
		1122	* put a lower limit so that the player isn't stuck here too long
1278	*/	1123	*/
1279	if (caster == op && caster->type != FIREWALL)
1280	{
1281	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1282	/* Other portions of the code may also decrement the speed of the player, so
1283	* put a lower limit so that the player isn't stuck here too long
1284	*/
1285	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)
1286	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;
1287	}	1126	}
1288	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)
1289	{
1290	op->speed_left -= 2 * FABS (op->speed);	1128	op->speed_left -= 2 * op->speed;
1291	}
1292	}
1293		1129
1294	if (op->type == PLAYER && op == caster)	1130	if (op->type == PLAYER && op == caster)
1295	{	1131	{
1296	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);
1297	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);
…		…
1302	* object requires.	1138	* object requires.
1303	*/	1139	*/
1304	if (op != caster && !skill && caster->skill)	1140	if (op != caster && !skill && caster->skill)
1305	{	1141	{
1306	skill = find_skill_by_name (op, caster->skill);	1142	skill = find_skill_by_name (op, caster->skill);
		1143
1307	if (!skill)	1144	if (!skill)
1308	{	1145	{
1309	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));
1310	return 0;	1147	return 0;
1311	}	1148	}
1312	change_skill (op, skill, 0); /* needed for proper exp credit */
1313	}	1149	}
		1150
		1151	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1152	return RESULT_INT (0);
		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;
1314		1160
1315	switch (spell_ob->subtype)	1161	switch (spell_ob->subtype)
1316	{	1162	{
1317	/* 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
1318	* in in spells.h.	1164	* in spells.h.
1319	*/	1165	*/
1320	case SP_RAISE_DEAD:	1166	case SP_RAISE_DEAD:
1321	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1167	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1322	break;	1168	break;
1323		1169
1324	case SP_RUNE:	1170	case SP_RUNE:
1325	success = write_rune (op, caster, spell_ob, dir, stringarg);	1171	success = write_rune (op, caster, spell_ob, dir, spellparam);
1326	break;	1172	break;
1327		1173
1328	case SP_MAKE_MARK:	1174	case SP_MAKE_MARK:
1329	success = write_mark (op, spell_ob, stringarg);	1175	success = write_mark (op, spell_ob, spellparam);
1330	break;	1176	break;
1331		1177
1332	case SP_BOLT:	1178	case SP_BOLT:
1333	success = fire_bolt (op, caster, dir, spell_ob, skill);	1179	success = fire_bolt (op, caster, dir, spell_ob, skill);
1334	break;	1180	break;
…		…
1352	case SP_SMITE:	1198	case SP_SMITE:
1353	success = cast_smite_spell (op, caster, dir, spell_ob);	1199	success = cast_smite_spell (op, caster, dir, spell_ob);
1354	break;	1200	break;
1355		1201
1356	case SP_MAGIC_MISSILE:	1202	case SP_MAGIC_MISSILE:
1357	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);
1358	break;	1204	break;
1359		1205
1360	case SP_SUMMON_GOLEM:	1206	case SP_SUMMON_GOLEM:
1361	success = summon_golem (op, caster, dir, spell_ob);	1207	success = summon_golem (op, caster, dir, spell_ob);
1362	old_shoottype = range_golem;
1363	break;	1208	break;
1364		1209
1365	case SP_DIMENSION_DOOR:	1210	case SP_DIMENSION_DOOR:
1366	/* dimension door needs the actual caster, because that is what is	1211	/* dimension door needs the actual caster, because that is what is
1367	* moved.	1212	* moved.
1368	*/	1213	*/
1369	success = dimension_door (op, caster, spell_ob, dir);	1214	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1370	break;	1215	break;
1371		1216
1372	case SP_MAGIC_MAPPING:	1217	case SP_MAGIC_MAPPING:
1373	if (op->type == PLAYER)	1218	if (op->type == PLAYER)
1374	{	1219	{
…		…
1407	case SP_HEALING:	1252	case SP_HEALING:
1408	success = cast_heal (op, caster, spell_ob, dir);	1253	success = cast_heal (op, caster, spell_ob, dir);
1409	break;	1254	break;
1410		1255
1411	case SP_CREATE_FOOD:	1256	case SP_CREATE_FOOD:
1412	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1257	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1413	break;	1258	break;
1414		1259
1415	case SP_EARTH_TO_DUST:	1260	case SP_EARTH_TO_DUST:
1416	success = cast_earth_to_dust (op, caster, spell_ob);	1261	success = cast_earth_to_dust (op, caster, spell_ob);
1417	break;	1262	break;
…		…
1427	case SP_CURSE:	1272	case SP_CURSE:
1428	success = cast_curse (op, caster, spell_ob, dir);	1273	success = cast_curse (op, caster, spell_ob, dir);
1429	break;	1274	break;
1430		1275
1431	case SP_SUMMON_MONSTER:	1276	case SP_SUMMON_MONSTER:
1432	success = summon_object (op, caster, spell_ob, dir, stringarg);	1277	success = summon_object (op, caster, spell_ob, dir, spellparam);
1433	break;	1278	break;
1434		1279
1435	case SP_CHARGING:	1280	case SP_CHARGING:
1436	success = recharge (op, caster, spell_ob);	1281	success = recharge (op, caster, spell_ob);
1437	break;	1282	break;
…		…
1440	#ifdef NO_POLYMORPH	1285	#ifdef NO_POLYMORPH
1441	/* 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
1442	* 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
1443	* it was disabled), they get some feedback.	1288	* it was disabled), they get some feedback.
1444	*/	1289	*/
1445	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1290	op->failmsg ("The spell fizzles!");
1446	success = 0;	1291	success = 0;
1447	#else	1292	#else
1448	success = cast_polymorph (op, caster, spell_ob, dir);	1293	success = cast_polymorph (op, caster, spell_ob, dir);
1449	#endif	1294	#endif
1450	break;	1295	break;
…		…
1470	break;	1315	break;
1471		1316
1472	case SP_MOVING_BALL:	1317	case SP_MOVING_BALL:
1473	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)
1474	{	1319	{
1475	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);
1476	success = 0;	1321	success = 0;
1477	}	1322	}
1478	else	1323	else
1479	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);
1480	break;	1325	break;
1481		1326
1482	case SP_SWARM:	1327	case SP_SWARM:
1483	success = fire_swarm (op, caster, spell_ob, dir);	1328	success = fire_swarm (op, caster, spell_ob, dir);
1484	break;	1329	break;
…		…
1491	/* in rune.c */	1336	/* in rune.c */
1492	success = dispel_rune (op, caster, spell_ob, skill, dir);	1337	success = dispel_rune (op, caster, spell_ob, skill, dir);
1493	break;	1338	break;
1494		1339
1495	case SP_CREATE_MISSILE:	1340	case SP_CREATE_MISSILE:
1496	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1341	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1497	break;	1342	break;
1498		1343
1499	case SP_CONSECRATE:	1344	case SP_CONSECRATE:
1500	success = cast_consecrate (op, caster, spell_ob);	1345	success = cast_consecrate (op, caster, spell_ob);
1501	break;	1346	break;
1502		1347
1503	case SP_ANIMATE_WEAPON:	1348	case SP_ANIMATE_WEAPON:
1504	success = animate_weapon (op, caster, spell_ob, dir);	1349	success = animate_weapon (op, caster, spell_ob, dir);
1505	old_shoottype = range_golem;
1506	break;	1350	break;
1507		1351
1508	case SP_LIGHT:	1352	case SP_LIGHT:
1509	success = cast_light (op, caster, spell_ob, dir);	1353	success = cast_light (op, caster, spell_ob, dir);
1510	break;	1354	break;
…		…
1523		1367
1524	case SP_AURA:	1368	case SP_AURA:
1525	success = create_aura (op, caster, spell_ob);	1369	success = create_aura (op, caster, spell_ob);
1526	break;	1370	break;
1527		1371
1528	case SP_TOWN_PORTAL:
1529	success = cast_create_town_portal (op, caster, spell_ob, dir);
1530	break;
1531
1532	case SP_PARTY_SPELL:	1372	case SP_PARTY_SPELL:
1533	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1373	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1534	break;	1374	break;
1535		1375
1536	default:	1376	default:
1537	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1538	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);
1539	}
1540
1541	/* FIXME - we need some better sound suppport */
1542	// yes, for example, augment map info with the spell effect
1543	// so clients can calculate the sounds themselves
1544	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1545
1546	/* free the spell arg */
1547	if (settings.casting_time == TRUE && stringarg)
1548	{	1378	}
1549	free (stringarg);	1379
1550	stringarg = NULL;	1380	// restore chosen_skill
1551	}	1381	op->chosen_skill = chosen_skill;
1552	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1382
1553	* to something like use_magic_item, but you really want to be able to fire	1383	op->play_sound (
1554	* it again.	1384	success
1555	*/	1385	? spell_ob->sound
1556	if (op->contr)	1386	? spell_ob->sound
1557	op->contr->shoottype = (rangetype) old_shoottype;	1387	: sound_find ("spell_success")
		1388	: sound_find ("fumble_spell")
		1389	);
1558		1390
1559	return success;	1391	return success;
1560	}	1392	}
1561		1393
1562
1563	/* This is called from time.c/process_object(). That function	1394	/* This is called from time.c/process_object(). That function
1564	* calls this for any SPELL_EFFECT type objects. This function	1395	* calls this for any SPELL_EFFECT type objects. This function
1565	* then dispatches them to the appropriate specific routines.	1396	* then dispatches them to the appropriate specific routines.
1566	*/	1397	*/
1567	void	1398	void
1568	move_spell_effect (object *op)	1399	move_spell_effect (object *op)
1569	{	1400	{
…		…
1609	move_aura (op);	1440	move_aura (op);
1610	break;	1441	break;
1611	}	1442	}
1612	}	1443	}
1613		1444
1614	/* this checks to see if something special should happen if
1615	* something runs into the object.
1616	*/
1617	void
1618	check_spell_effect (object *op)
1619	{
1620	switch (op->subtype)
1621	{
1622	case SP_BOLT:
1623	move_bolt (op);
1624	return;
1625
1626	case SP_BULLET:
1627	check_bullet (op);
1628	return;
1629	}
1630	}
1631
1632	/* This is called by move_apply. Basically, if someone	1445	/* This is called by move_apply. Basically, if someone
1633	* 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
1634	* are set, this is called. This should only be called for	1447	* are set, this is called. This should only be called for
1635	* objects of the appropraite type.	1448	* objects of the appropriate type.
1636	*/	1449	*/
1637	void	1450	void
1638	apply_spell_effect (object *spell, object *victim)	1451	apply_spell_effect (object *spell, object *victim)
1639	{	1452	{
1640	switch (spell->subtype)	1453	switch (spell->subtype)
1641	{	1454	{
1642	case SP_CONE:	1455	case SP_CONE:
1643	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1456	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1644	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1457	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1645	break;	1458	break;
1646		1459
1647	case SP_MAGIC_MISSILE:	1460	case SP_MAGIC_MISSILE:
1648	if (QUERY_FLAG (victim, FLAG_ALIVE))	1461	if (victim->flag [FLAG_ALIVE])
1649	{	1462	{
1650	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1463	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1651
1652	if (!spell->destroyed ())
1653	spell->destroy ();	1464	spell->destroy ();
1654	}	1465	}
1655	break;	1466	break;
1656		1467
1657	case SP_MOVING_BALL:	1468	case SP_MOVING_BALL:
1658	if (QUERY_FLAG (victim, FLAG_ALIVE))	1469	if (victim->flag [FLAG_ALIVE])
1659	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1470	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1660	else if (victim->materialname)	1471	else if (victim->material != MATERIAL_NULL)
1661	save_throw_object (victim, spell->attacktype, spell);	1472	save_throw_object (victim, spell->attacktype, spell);
		1473
1662	break;	1474	break;
1663	}	1475	}
1664	}	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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