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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.41 by root, Sat Apr 28 17:51:58 2007 UTC vs.
Revision 1.125 by root, Mon Nov 12 03:48:34 2012 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 (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* 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	*	17	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	18	* You should have received a copy of the Affero GNU General Public License
		19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
23	*/	21	*
24		22	* The authors can be reached via e-mail to <support@deliantra.net>
		23	*/
25		24
26	#include <global.h>	25	#include <global.h>
27	#include <spells.h>	26	#include <spells.h>
28	#include <object.h>	27	#include <object.h>
29	#include <errno.h>	28	#include <errno.h>
…		…
35	/* This returns a random spell from 'ob'. If skill is set, then	34	/* This returns a random spell from 'ob'. If skill is set, then
36	* the spell must be of this skill, it can be NULL in which case all	35	* the spell must be of this skill, it can be NULL in which case all
37	* matching spells are used.	36	* matching spells are used.
38	*/	37	*/
39	object *	38	object *
40	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
41	{	40	{
42	int k = 0, s;	41	int k = 0, s;
43	object *tmp;
44		42
45	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
46	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
47	k++;	45	k++;
48		46
49	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
50	if (!k)	48	if (!k)
51	return NULL;	49	return NULL;
52		50
53	s = RANDOM () % k;	51	s = rndm (k);
54		52
55	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
56	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
57	{
58	if (!s)	55	if (!s)
59	return tmp;	56	return tmp;
60	else	57	else
61	s--;	58	s--;
62	}	59
63	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
64	return NULL;	61	return 0;
65	}	62	}
66		63
67	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
68	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
69	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
79	dest->skill = spob->skill;	76	dest->skill = spob->skill;
80	else	77	else
81	dest->skill = caster->skill;	78	dest->skill = caster->skill;
82	}	79	}
83		80
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	81	/* pretty basic function - basically just takes
153	* an object, sets the x,y, and calls insert_ob_in_map	82	* an object, sets the x,y, and calls insert_ob_in_map
154	*/	83	*/
155	void	84	void
156	spell_effect (object *spob, int x, int y, maptile *map, object *originator)	85	spell_effect (object *spob, int x, int y, maptile *map, object *originator)
157	{	86	{
158	if (spob->other_arch)	87	if (spob->other_arch)
159	map->insert (arch_to_object (spob->other_arch), x, y, originator);	88	map->insert (spob->other_arch->instance (), x, y, originator);
160	}	89	}
161		90
162	/*	91	static int
163	* This function takes a caster and spell and presents the	92	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	{	93	{
175	int new_level;	94	// compute the attuned/repelled bonus
176		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
177	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
178	return 1;	97	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)	98	+ (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	}	99	}
186		100
187	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
188	* is being cast at.	102	* 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	*/	103	*/
193	int	104	int
194	caster_level (object *caster, object *spell)	105	casting_level (object *caster, object *spell)
195	{	106	{
196	int level = caster->level;	107	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		108
207	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	109	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
208	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
209	{	111	{
210	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	112	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
211	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
212		114
213	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
214	}	116	}
		117	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		118	if (object *skill = caster->contr->find_skill (spell->skill))
		119	level = skill->level;
215		120
216	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
217	level += caster->path_repelled & spell->path_attuned ? -2 : 0;	122
218	level += caster->path_attuned & spell->path_attuned ? +2 : 0;	123	level += bonus;
		124
		125	// now scale the effective level from the startinglevel..100 range to 1..100
		126	if (level < 100)
		127	level = lerp (level, (int)spell->level, 100, 1, 100);
219		128
220	/* Always make this at least 1. If this is zero, we get divide by zero	129	/* Always make this at least 1. If this is zero, we get divide by zero
221	* errors in various places.	130	* errors in various places.
222	*/	131	*/
223	return max (level, 1);	132	return clamp (level, 1, settings.max_level);
224	}	133	}
225		134
226	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
227	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
228	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
232	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
233	* spell is the spell object.	142	* spell is the spell object.
234	* Note that it is now possible for a spell to cost both grace and	143	* Note that it is now possible for a spell to cost both grace and
235	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
236	*/	145	*/
237
238	sint16	146	sint16
239	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
240	{	148	{
241	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
242		150
243	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
244	{	152	{
245	if (spell->stats.sp && spell->stats.maxsp)	153	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)));	154	sp = spell->stats.sp * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxsp));
248	}
249	else	155	else
250	sp = spell->stats.sp;	156	sp = spell->stats.sp;
251		157
252	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
253	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
254	sp = 1;	160	sp = 1;
255		161
256	if (spell->stats.grace && spell->stats.maxgrace)	162	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)));	163	grace = spell->stats.grace * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxgrace));
259	}
260	else	164	else
261	grace = spell->stats.grace;	165	grace = spell->stats.grace;
262		166
263	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
264	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
265	grace = 1;	169	grace = 1;
266	}	170	}
267	else	171	else
268	{	172	{
269	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
270	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
271	sp = 1;	175	sp = 1;
		176
272	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
273	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
274	grace = 1;	179	grace = 1;
275	}	180	}
		181
276	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
277	return MAX (sp, grace);	183	return max (sp, grace);
278	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
279	return grace;	185	return grace;
280	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
281	return sp;	187	return sp;
282	else	188	else
…		…
284	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	190	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
285	return 0;	191	return 0;
286	}	192	}
287	}	193	}
288		194
		195	/*
		196	* Return the effective casting level of the spell.
		197	* To make spells independent of their starting level, this function
		198	* scales the range spellstartlevel .. 100 into the range 1..100
		199	*/
		200	static int
		201	SP_casting_level (object *caster, object *spell)
		202	{
		203	return casting_level (caster, spell);
		204	}
289		205
290	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
291	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
292	*/	208	*/
293	int	209	int
294	SP_level_dam_adjust (object *caster, object *spob)	210	SP_level_dam_adjust (object *caster, object *spob)
295	{	211	{
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)	212	if (!spob->dam_modifier)
302	adj /= spob->dam_modifier;
303	else
304	adj = 0;
305	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
306	}	216	}
307		217
308	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
309	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
310	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
311	*/	221	*/
312	int	222	int
313	SP_level_duration_adjust (object *caster, object *spob)	223	SP_level_duration_adjust (object *caster, object *spob)
314	{	224	{
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)	225	if (!spob->duration_modifier)
321	adj /= spob->duration_modifier;
322	else
323	adj = 0;
324
325	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
326	}	229	}
327		230
328	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
329	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
330	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
331	*/	234	*/
332	int	235	int
333	SP_level_range_adjust (object *caster, object *spob)	236	SP_level_range_adjust (object *caster, object *spob)
334	{	237	{
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)	238	if (!spob->range_modifier)
341	adj /= spob->range_modifier;
342	else
343	adj = 0;
344
345	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
346	}	242	}
347		243
348	/* Checks to see if player knows the spell. If the name is the same	244	/* Checks to see if player knows the spell. If the name is the same
349	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
350	* returns 1 if they know the spell, 0 if they don't.	246	* returns 1 if they know the spell, 0 if they don't.
351	*/	247	*/
352	object *	248	object *
353	check_spell_known (object *op, const char *name)	249	check_spell_known (object *op, shstr_cmp name)
354	{	250	{
355	object *spop;	251	object *spop;
356		252
357	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
358	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
359	return spop;	255	return spop;
360		256
361	return NULL;	257	return 0;
362	}	258	}
363
364		259
365	/*	260	/*
366	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
367	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
368	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
369	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
370	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
371	* exact match, we also return NULL.	266	* exact match, we also return NULL.
372	*/	267	*/
373
374	object *	268	object *
375	lookup_spell_by_name (object *op, const char *spname)	269	lookup_spell_by_name (object *op, const char *spname)
376	{	270	{
377	object *spob1 = NULL, *spob2 = NULL, *spob;	271	object *spob1 = 0, *spob2 = 0;
378	int nummatch = 0;	272	int nummatch = 0;
379		273
380	if (spname == NULL)	274	if (!spname)
381	return NULL;	275	return 0;
382		276
383	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
384	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
385	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
386	*/	280	*/
387	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
388	{	282	{
389	if (spob->type == SPELL)	283	if (spob->type == SPELL)
390	{	284	{
		285	// TODO: WTF?
391	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
392	{	287	{
393	nummatch++;	288	nummatch++;
394	spob1 = spob;	289	spob1 = spob;
395	}	290	}
…		…
400	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
401	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
402	*/	297	*/
403	if (spob2)	298	if (spob2)
404	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);	299	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
		300
405	spob2 = spob;	301	spob2 = spob;
406	}	302	}
407	}	303	}
408	}	304	}
409	/* if we have best match, return it. Otherwise, if we have one match	305	/* if we have best match, return it. Otherwise, if we have one match
410	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
411	*/	307	*/
412	if (spob2)	308	if (spob2)
413	return spob2;	309	return spob2;
		310
414	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
415	return spob1;	312	return spob1;
		313
416	return NULL;	314	return NULL;
417	}	315	}
418		316
419	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
420	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
424	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
425	*/	323	*/
426	int	324	int
427	reflwall (maptile *m, int x, int y, object *sp_op)	325	reflwall (maptile *m, int x, int y, object *sp_op)
428	{	326	{
429	object *op;
430
431	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
432	return 0;	328	return 0;
		329
433	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	330	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
434	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (op->flag [FLAG_REFL_SPELL]
435	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!op->flag [FLAG_ALIVE]
436	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
437	return 1;	334	return 1;
438		335
439	return 0;	336	return 0;
440	}	337	}
441		338
442	/* cast_create_object: creates object new_op in direction dir	339	/* cast_create_object: creates object new_op in direction dir
443	* or if that is blocked, beneath the player (op).	340	* or if that is blocked, beneath the player (op).
444	* we pass 'caster', but don't use it for anything.	341	* we pass 'caster', but don't use it for anything.
445	* This is really just a simple wrapper function .	342	* This is really just a simple wrapper function .
446	* returns the direction that the object was actually placed	343	* returns true to indicate whether the operation was successful.
447	* in.	344	* destroys the object is unsuccessful.
448	*/	345	*/
449	int	346	bool
450	cast_create_obj (object *op, object *caster, object *new_op, int dir)	347	cast_create_obj (object *op, object *caster, object *new_op, int dir)
451	{	348	{
452	maptile *m;	349	mapxy pos (op);
453	sint16 sx, sy;	350	pos.move (dir);
454		351
455	if (dir &&	352	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) ||	353	|| 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))))	354	|| !new_op->can_drop_at (pos.m, pos.x, pos.y)
458	{	355	)
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	}	356	{
		357	op->failmsg ("Your spell fizzles! H<Something is in the way.>");
		358	new_op->destroy ();
		359	return 0;
		360	}
463		361
464	op->map->insert (new_op,	362	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		363
		364	pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR);
		365
469	return dir;	366	return 1;
		367	}
		368
		369	static bool
		370	mergable_owner (object *o1, object *o2)
		371	{
		372	if (o1 == o2)
		373	return 1;
		374
		375	if (!o1 || !o2)
		376	return 0;
		377
		378	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		379	return 0;
		380
		381	if (o1->is_player () || o2->is_player ())
		382	return 0;
		383
		384	return 1;
470	}	385	}
471		386
472	/* Returns true if it is ok to put spell *op on the space/may provided.	387	/* 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	388	* immune_stop is basically the attacktype of the spell (why
474	* passed as a different value, not sure of). If immune_stop	389	* passed as a different value, not sure of). If immune_stop
475	* has the AT_MAGIC bit set, and there is a counterwall	390	* has the AT_MAGIC bit set, and there is a counterwall
476	* on the space, the object doesn't get placed. if immune stop	391	* 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.	392	* does not have AT_MAGIC, then counterwalls do not effect the spell.
478	*
479	*/	393	*/
480	int	394	int
481	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)	395	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
482	{	396	{
483	if (!xy_normalise (m, x, y))	397	if (!xy_normalise (m, x, y))
484	return 0;	398	return 0;
485		399
486	mapspace &ms = m->at (x, y);	400	mapspace &ms = m->at (x, y);
		401	ms.update ();
487		402
488	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	403	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
489	return 0;	404	return 0;
490		405
		406	int max_effects = 5; // max. number of similar spells per mapspace
		407
491	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	408	for (object *tmp = ms.top; tmp; tmp = tmp->below)
492	{	409	{
493	/* If there is a counterspell on the space, and this	410	/* If there is a counterspell on the space, and this
494	* object is using magic, don't progress. I believe we could	411	* 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	412	* 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	413	* 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	415	* 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	416	* removed.) On the other hand, it may be more dramatic for the
500	* spell to actually hit the counterwall and be sucked up.	417	* spell to actually hit the counterwall and be sucked up.
501	*/	418	*/
502	if ((tmp->attacktype & AT_COUNTERSPELL)	419	if ((tmp->attacktype & AT_COUNTERSPELL)
503	&& !QUERY_FLAG (tmp, FLAG_MONSTER)	420	&& !tmp->flag [FLAG_MONSTER]
504	&& (tmp->type != PLAYER)	421	&& (tmp->type != PLAYER)
505	&& (tmp->type != WEAPON)	422	&& (tmp->type != WEAPON)
506	&& (tmp->type != BOW)	423	&& (tmp->type != BOW)
507	&& (tmp->type != ARROW)	424	&& (tmp->type != ARROW)
508	&& (tmp->type != GOLEM)	425	&& (tmp->type != GOLEM)
509	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:	426	&& !tmp->flag [FLAG_IS_FLOOR] // XXX:
510	// we special case floor here because there	427	// we special case floor here because there
511	// are sometimes spell effect floors	428	// are sometimes spell effect floors
512	// which are used to inflict damage	429	// which are used to inflict damage
513	// (and those shouldn't go away from	430	// (and those shouldn't go away from
514	// sanctuary) see also: permanent lava	431	// sanctuary) see also: permanent lava
515	&& (immune_stop & AT_MAGIC))	432	&& (immune_stop & AT_MAGIC))
516	return 0;	433	return 0;
517		434
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	435	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	{	436	{
538	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	437	if (tmp->subtype == op->subtype
539	tmp->range = MAX (tmp->range, op->range);	438	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
540	tmp->duration = MAX (tmp->duration, op->duration);	439	{
		440	/* This is to prevent 'out of control' spells. Basically, this
		441	* limits one spell effect per space per spell. This is definately
		442	* needed for performance reasons, and just for playability I believe.
		443	* there are no such things as multispaced spells right now, so
		444	* we don't need to worry about the head.
		445	*/
		446	if (tmp->stats.maxhp == op->stats.maxhp)
		447	return 0;
		448
		449	/*
		450	* Combine similar spell effects into one spell effect. Needed for
		451	* performance reasons with meteor swarm and the like, but also for
		452	* playability reasons.
		453	*/
		454	if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		455	if (mergable_owner (tmp, op))
		456	{
		457	// if same owner, then combine, but reduce advantage of multiple spells
		458	max_it (tmp->stats.dam, op->stats.dam);
		459	max_it (tmp->range , op->range);
		460	max_it (tmp->duration , op->duration);
		461	return 0;
		462	}
		463	}
		464
		465	// if there are too many spell effects on this space,
		466	// then don't allow more of them, for performance reasons.
		467	if (tmp->type == SPELL_EFFECT
		468	&& !--max_effects)
541	return 0;	469	return 0;
542	}	470	}
543		471
544	/* Perhaps we should also put checks in for no magic and unholy	472	/* Perhaps we should also put checks in for no magic and unholy
545	* ground to prevent it from moving along?	473	* ground to prevent it from moving along?
546	*/	474	*/
…		…
558	* dir: direction to fire in.	486	* dir: direction to fire in.
559	* spell: spell that is being fired. It uses other_arch for the archetype	487	* spell: spell that is being fired. It uses other_arch for the archetype
560	* to fire.	488	* to fire.
561	* returns 0 on failure, 1 on success.	489	* returns 0 on failure, 1 on success.
562	*/	490	*/
563
564	int	491	int
565	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)	492	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
566	{	493	{
567	object *tmp;
568	int mflags;
569	maptile *m;
570
571	if (spell->other_arch == NULL)	494	if (!spell->other_arch)
572	return 0;	495	return 0;
573		496
574	m = op->map;	497	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		498
581	tmp = arch_to_object (spell->other_arch);	499	if (!tmp)
582
583	if (tmp == NULL)
584	return 0;	500	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		501
593	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	502	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
594	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	503	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
595	/* code in time.c uses food for some things, duration for others */	504	/* code in time.c uses food for some things, duration for others */
596	tmp->stats.food = tmp->duration;	505	tmp->stats.food = tmp->duration;
597	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	506	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
598	tmp->attacktype = spell->attacktype;	507	tmp->attacktype = spell->attacktype;
599	tmp->x = x;
600	tmp->y = y;
601	tmp->direction = dir;	508	tmp->direction = dir;
602	if (op->owner != NULL)
603	tmp->set_owner (op);	509	tmp->set_owner (op);
604	else
605	tmp->set_owner (op);
606	tmp->level = caster_level (caster, spell);	510	tmp->level = casting_level (caster, spell);
607	set_spell_skill (op, caster, spell, tmp);	511	set_spell_skill (op, caster, spell, tmp);
608		512
609	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	513	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
610	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	514	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
611	{
612	if (!tailor_god_spell (tmp, op))	515	if (!tailor_god_spell (tmp, op))
613	return 0;	516	return 0;
614	}	517
615	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	518	if (tmp->flag [FLAG_IS_TURNABLE])
616	SET_ANIMATION (tmp, dir);	519	SET_ANIMATION (tmp, dir);
617		520
618	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	521	if ((tmp = op->map->insert (tmp, x, y, op)))
619	move_spell_effect (tmp);	522	move_spell_effect (tmp);
620		523
621	return 1;	524	return 1;
622	}	525	}
623		526
…		…
628	****************************************************************************/	531	****************************************************************************/
629	void	532	void
630	regenerate_rod (object *rod)	533	regenerate_rod (object *rod)
631	{	534	{
632	if (rod->stats.hp < rod->stats.maxhp)	535	if (rod->stats.hp < rod->stats.maxhp)
633	{	536	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	}	537	}
640
641		538
642	void	539	void
643	drain_rod_charge (object *rod)	540	drain_rod_charge (object *rod)
644	{	541	{
645	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	542	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
…		…
664	{	561	{
665	tmp = op->owner;	562	tmp = op->owner;
666	/* If the owner does not exist, or is not a monster, than apply the spell	563	/* If the owner does not exist, or is not a monster, than apply the spell
667	* to the caster.	564	* to the caster.
668	*/	565	*/
669	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	566	if (!tmp || !tmp->flag [FLAG_MONSTER])
670	tmp = op;	567	tmp = op;
671	}	568	}
672	else	569	else
673	{	570	{
674	maptile *m = op->map;	571	maptile *m = op->map;
…		…
684	if (!tmp)	581	if (!tmp)
685	tmp = op->ms ().player ();	582	tmp = op->ms ().player ();
686		583
687	return tmp;	584	return tmp;
688	}	585	}
689
690
691		586
692	/* raytrace:	587	/* raytrace:
693	* spell_find_dir(map, x, y, exclude) will search first the center square	588	* spell_find_dir(map, x, y, exclude) will search first the center square
694	* then some close squares in the given map at the given coordinates for	589	* then some close squares in the given map at the given coordinates for
695	* live objects.	590	* live objects.
…		…
698	* monsters/generators only. If not, the spell will hunt players only.	593	* 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	594	* It returns the direction toward the first/closest live object if it finds
700	* any, otherwise -1.	595	* any, otherwise -1.
701	* note that exclude can be NULL, in which case all bets are off.	596	* note that exclude can be NULL, in which case all bets are off.
702	*/	597	*/
703
704	int	598	int
705	spell_find_dir (maptile *m, int x, int y, object *exclude)	599	spell_find_dir (maptile *m, int x, int y, object *exclude)
706	{	600	{
707	int i, max = SIZEOFFREE;	601	int i, max = SIZEOFFREE;
708	sint16 nx, ny;	602	sint16 nx, ny;
…		…
725	continue;	619	continue;
726		620
727	tmp = GET_MAP_OB (mp, nx, ny);	621	tmp = GET_MAP_OB (mp, nx, ny);
728		622
729	while (tmp != NULL && (((owner_type == PLAYER &&	623	while (tmp != NULL && (((owner_type == PLAYER &&
730	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	624	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
731	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))	625	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
732	tmp = tmp->above;	626	tmp = tmp->above;
733		627
734	if (tmp != NULL && can_see_monsterP (m, x, y, i))	628	if (tmp != NULL && can_see_monsterP (m, x, y, i))
735	return freedir[i];	629	return freedir[i];
…		…
739		633
740	/* put_a_monster: puts a monster named monstername near by	634	/* put_a_monster: puts a monster named monstername near by
741	* op. This creates the treasures for the monsters, and	635	* op. This creates the treasures for the monsters, and
742	* also deals with multipart monsters properly.	636	* also deals with multipart monsters properly.
743	*/	637	*/
744	void	638	static void
745	put_a_monster (object *op, const char *monstername)	639	put_a_monster (object *op, const char *monstername)
746	{	640	{
747	object *tmp, *head = NULL, *prev = NULL;	641	object *tmp, *head = NULL, *prev = NULL;
748	archetype *at;	642	archetype *at;
749	int dir;	643	int dir;
…		…
755		649
756	/* find a free square nearby	650	/* find a free square nearby
757	* first we check the closest square for free squares	651	* first we check the closest square for free squares
758	*/	652	*/
759		653
760	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	654	dir = find_first_free_spot (at, op->map, op->x, op->y);
761	if (dir != -1)	655	if (dir != -1)
762	{	656	{
763	/* This is basically grabbed for generate monster. Fixed 971225 to	657	/* This is basically grabbed for generate monster. Fixed 971225 to
764	* insert multipart monsters properly	658	* insert multipart monsters properly
765	*/	659	*/
		660	//TODO: use expand_tail + ...
766	while (at != NULL)	661	while (at != NULL)
767	{	662	{
768	tmp = arch_to_object (at);	663	tmp = at->instance ();
769	tmp->x = op->x + freearr_x[dir] + at->clone.x;	664	tmp->x = op->x + freearr_x[dir] + at->x;
770	tmp->y = op->y + freearr_y[dir] + at->clone.y;	665	tmp->y = op->y + freearr_y[dir] + at->y;
771	tmp->map = op->map;	666	tmp->map = op->map;
772	if (head)	667	if (head)
773	{	668	{
774	tmp->head = head;	669	tmp->head = head;
775	prev->more = tmp;	670	prev->more = tmp;
776	}	671	}
		672
777	if (!head)	673	if (!head)
778	head = tmp;	674	head = tmp;
		675
779	prev = tmp;	676	prev = tmp;
		677
780	at = at->more;	678	at = (archetype *)at->more;
781	}	679	}
782		680
783	if (head->randomitems)	681	if (head->randomitems)
784	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	682	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
785		683
786	insert_ob_in_map (head, op->map, op, 0);	684	insert_ob_in_map (head, op->map, op, 0);
787		685
788	/* thought it'd be cool to insert a burnout, too. */	686	/* thought it'd be cool to insert a burnout, too. */
789	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	687	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
790	}	688	}
791	}	689	}
792		690
793	/* peterm: function which summons hostile monsters and	691	/* peterm: function which summons hostile monsters and
794	* places them in nearby squares.	692	* places them in nearby squares.
…		…
801	* Note that this is not used by any spells (summon evil monsters	699	* Note that this is not used by any spells (summon evil monsters
802	* use to call this, but best I can tell, that spell/ability was	700	* use to call this, but best I can tell, that spell/ability was
803	* never used. This is however used by various failures on the	701	* never used. This is however used by various failures on the
804	* players part (alchemy, reincarnation, etc)	702	* players part (alchemy, reincarnation, etc)
805	*/	703	*/
806
807	int	704	int
808	summon_hostile_monsters (object *op, int n, const char *monstername)	705	summon_hostile_monsters (object *op, int n, const char *monstername)
809	{	706	{
810	int i;	707	int i;
811		708
…		…
876	{	773	{
877	SET_ANIMATION (op, ATTACKS[i].face);	774	SET_ANIMATION (op, ATTACKS[i].face);
878	}	775	}
879	}	776	}
880		777
881
882	/* prayer_failure: This is called when a player fails	778	/* prayer_failure: This is called when a player fails
883	* at casting a prayer.	779	* at casting a prayer.
884	* op is the player.	780	* op is the player.
885	* failure is basically how much grace they had.	781	* failure is basically how much grace they had.
886	* power is how much grace the spell would normally take to cast.	782	* power is how much grace the spell would normally take to cast.
887	*/	783	*/
888		784
889	void	785	#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
		786
		787	static void
890	prayer_failure (object *op, int failure, int power)	788	prayer_failure (object *op, int failure, int power)
891	{	789	{
892	const char *godname;	790	const char *godname;
893	object *tmp;	791	object *tmp;
894		792
895	if (!strcmp ((godname = determine_god (op)), "none"))	793	if (!strcmp ((godname = determine_god (op)), "none"))
896	godname = "Your spirit";	794	godname = "Your spirit";
897		795
898	if (failure <= -20 && failure > -40) /* wonder */	796	if (failure <= -20 && failure > -40) /* wonder */
899	{	797	{
900	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	798	op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname);
901	tmp = get_archetype (SPELL_WONDER);	799	tmp = archetype::get (SPELL_WONDER);
902	cast_cone (op, op, 0, tmp);	800	cast_cone (op, op, 0, tmp);
903	tmp->destroy ();	801	tmp->destroy ();
904	}	802	}
905		803
906	else if (failure <= -40 && failure > -60) /* confusion */	804	else if (failure <= -40 && failure > -60) /* confusion */
907	{	805	{
908	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	806	op->failmsg ("Your diety touches your mind!" HINT_GRACE);
909	confuse_player (op, op, 99);	807	confuse_player (op, op, 99);
910	}	808	}
911	else if (failure <= -60 && failure > -150) /* paralysis */	809	else if (failure <= -60 && failure > -150) /* paralysis */
912	{	810	{
913	new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname);	811	op->failmsgf ("%s requires you to pray NOW. "
914	new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else.");	812	"You comply, ignoring all else." HINT_GRACE,
		813	godname);
915	paralyze_player (op, op, 99);	814	paralyze_player (op, op, 99);
916	}	815	}
917	else if (failure <= -150) /* blast the immediate area */	816	else if (failure <= -150) /* blast the immediate area */
918	{	817	{
919	tmp = get_archetype (GOD_POWER);	818	tmp = archetype::get (GOD_POWER);
920	new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname);	819	op->failmsgf ("%s smites you!" HINT_GRACE, godname);
921	cast_magic_storm (op, tmp, power);	820	cast_magic_storm (op, tmp, power);
922	}	821	}
923	}	822	}
924		823
925	/*	824	/*
926	* spell_failure() handles the various effects for differing degrees	825	* spell_failure() handles the various effects for differing degrees
927	* of failure badness.	826	* of failure badness.
928	* op is the player that failed.	827	* op is the player that failed.
929	* failure is a random value of how badly you failed.	828	* failure is a random value of how badly you failed.
930	* power is how many spellpoints you'd normally need for the spell.	829	* power is how many spellpoints you'd normally need for the spell.
931	* skill is the skill you'd need to cast the spell.	830	* skill is the skill you'd need to cast the spell.
932	*/	831	*/
933
934	void	832	void
935	spell_failure (object *op, int failure, int power, object *skill)	833	spell_failure (object *op, int failure, int power, object *skill)
936	{	834	{
937	object *tmp;	835	object *tmp;
938		836
939	if (settings.spell_failure_effects == FALSE)	837	if (settings.spell_failure_effects == FALSE)
940	return;	838	return;
941		839
942	if (failure <= -20 && failure > -40) /* wonder */	840	if (failure <= -20 && failure > -40) /* wonder */
943	{	841	{
944	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	842	op->failmsg ("Your spell causes an unexpected effect.");
945	tmp = get_archetype (SPELL_WONDER);	843	tmp = archetype::get (SPELL_WONDER);
946	cast_cone (op, op, 0, tmp);	844	cast_cone (op, op, 0, tmp);
947	tmp->destroy ();	845	tmp->destroy ();
948	}	846	}
949		847
950	else if (failure <= -40 && failure > -60) /* confusion */	848	else if (failure <= -40 && failure > -60) /* confusion */
951	{	849	{
952	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	850	op->failmsg ("Your magic recoils on you, making you confused!");
953	confuse_player (op, op, 99);	851	confuse_player (op, op, 99);
954	}	852	}
955	else if (failure <= -60 && failure > -80) /* paralysis */	853	else if (failure <= -60 && failure > -80) /* paralysis */
956	{	854	{
957	new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!");	855	op->failmsg ("Your magic stuns you!");
958	paralyze_player (op, op, 99);	856	paralyze_player (op, op, 99);
959	}	857	}
960	else if (failure <= -80) /* blast the immediate area */	858	else if (failure <= -80) /* blast the immediate area */
961	{	859	{
962	object *tmp;	860	object *tmp;
963		861
964	/* Safety check to make sure we don't get any mana storms in scorn */	862	/* Safety check to make sure we don't get any mana storms in scorn */
965	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)	863	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)
966	{	864	{
967	new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!");	865	op->failmsg ("The magic warps and you are turned inside out!");
968	hit_player (op, 9998, op, AT_INTERNAL, 1);	866	hit_player (op, 9998, op, AT_INTERNAL, 1);
969		867
970	}	868	}
971	else	869	else
972	{	870	{
973	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	871	op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!");
974	tmp = get_archetype (LOOSE_MANA);	872	tmp = archetype::get (LOOSE_MANA);
975	tmp->level = skill->level;	873	tmp->level = skill->level;
976		874
977	/* increase the area of destruction a little for more powerful spells */	875	/* increase the area of destruction a little for more powerful spells */
978	tmp->range += isqrt (power);	876	tmp->range += isqrt (power);
979		877
…		…
987	tmp->insert_at (op);	885	tmp->insert_at (op);
988	}	886	}
989	}	887	}
990	}	888	}
991		889
992	int	890	static int
993	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	891	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
994	{	892	{
995	int success;
996	object *spell;
997
998	if (!spell_ob->other_arch)	893	if (!spell_ob->other_arch)
999	{	894	{
1000	LOG (llevError, "cast_party_spell: empty other arch\n");	895	LOG (llevError, "cast_party_spell: empty other arch\n");
1001	return 0;	896	return 0;
1002	}	897	}
1003	spell = arch_to_object (spell_ob->other_arch);	898
		899	object *spell = spell_ob->other_arch->instance ();
1004		900
1005	/* Always cast spell on caster */	901	/* Always cast spell on caster */
1006	success = cast_spell (op, caster, dir, spell, stringarg);	902	int success = cast_spell (op, caster, dir, spell, spellparam);
1007		903
1008	if (caster->contr->party == NULL)	904	if (!op->contr || !op->contr->party)
1009	{	905	{
1010	spell->remove ();	906	spell->remove ();
1011	return success;	907	return success;
1012	}	908	}
		909
1013	for_all_players (pl)	910	for_all_players (pl)
1014	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	911	if ((pl->ob->contr->party == op->contr->party)
1015	{	912	&& on_same_map (pl->ob, op)
		913	&& pl->ob != op)
1016	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	914	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1017	}	915
1018	spell->remove ();	916	spell->remove ();
1019	return success;	917	return success;
1020	}	918	}
1021		919
1022	/* This is where the main dispatch when someone casts a spell.	920	/* This is where the main dispatch when someone casts a spell.
…		…
1027	* same as op.	925	* same as op.
1028	* dir is the direction to cast in. Note in some cases, if the spell	926	* dir is the direction to cast in. Note in some cases, if the spell
1029	* is self only, dir really doesn't make a difference.	927	* is self only, dir really doesn't make a difference.
1030	* spell_ob is the spell object that is being cast. From that,	928	* spell_ob is the spell object that is being cast. From that,
1031	* we can determine what to do.	929	* we can determine what to do.
1032	* stringarg is any options that are being used. It can be NULL. Almost	930	* spellparam is any options that are being used. It can be NULL. Almost
1033	* certainly, only players will set it. It is basically used as optional	931	* certainly, only players will set it. It is basically used as optional
1034	* parameters to a spell (eg, item to create, information for marking runes,	932	* parameters to a spell (eg, item to create, information for marking runes,
1035	* etc.	933	* etc.
1036	* returns 1 on successful cast, or 0 on error. These values should really	934	* returns 1 on successful cast, or 0 on error. These values should really
1037	* be swapped, so that 0 is successful, and non zero is failure, with a code	935	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1044	*	942	*
1045	* if it is a player casting the spell (op->type == PLAYER, op == caster),	943	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1046	* this function will decrease the mana/grace appropriately. For other	944	* this function will decrease the mana/grace appropriately. For other
1047	* objects, the caller should do what it considers appropriate.	945	* objects, the caller should do what it considers appropriate.
1048	*/	946	*/
1049
1050	int	947	int
1051	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	948	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1052	{	949	{
1053	const char *godname;	950	const char *godname;
1054	int success = 0, mflags, cast_level = 0, old_shoottype;	951	int success = 0;
1055	object *skill = NULL;
1056		952
1057	old_shoottype = op->contr ? op->contr->shoottype : 0;	953	// make sure spells always take a while, so a) we don't flood the
		954	// user with messages and b) too many failures can be harmful (smiting).
		955	op->speed_left -= 4 * op->speed; // ~0.5s on failure
1058		956
1059	if (!spell_ob)	957	if (!spell_ob)
1060	{	958	{
1061	LOG (llevError, "cast_spell: null spell object passed\n");	959	LOG (llevError, "cast_spell: null spell object passed\n");
1062	return 0;	960	return 0;
…		…
1073	}	971	}
1074		972
1075	/* if caster is a spell casting object, this normally shouldn't be	973	/* if caster is a spell casting object, this normally shouldn't be
1076	* an issue, because they don't have any spellpaths set up.	974	* an issue, because they don't have any spellpaths set up.
1077	*/	975	*/
1078	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))	976	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1079	{	977	{
1080	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	978	op->failmsg ("That spell path is denied to you.");
1081	return 0;	979	return 0;
1082	}	980	}
		981
		982	object *skill = 0;
1083		983
1084	/* if it is a player casting the spell, and they are really casting it	984	/* if it is a player casting the spell, and they are really casting it
1085	* (vs it coming from a wand, scroll, or whatever else), do some	985	* (vs it coming from a wand, scroll, or whatever else), do some
1086	* checks. We let monsters do special things - eg, they	986	* checks. We let monsters do special things - eg, they
1087	* don't need the skill, bypass level checks, etc. The monster function	987	* don't need the SKILL, BYpass level checks, etc. The monster function
1088	* should take care of that.	988	* should take care of that.
1089	* Remove the wiz check here and move it further down - some spells	989	* Remove the wiz check here and move it further down - some spells
1090	* need to have the right skill pointer passed, so we need to	990	* need to have the right skill pointer passed, so we need to
1091	* at least process that code.	991	* at least process that code.
1092	*/	992	*/
1093	if (op->type == PLAYER && op == caster)	993	if (op->type == PLAYER && op == caster)
1094	{	994	{
1095	cast_level = caster_level (caster, spell_ob);
1096	if (spell_ob->skill)	995	if (spell_ob->skill)
1097	{	996	{
1098	skill = find_skill_by_name (op, spell_ob->skill);	997	skill = find_skill_by_name (op, spell_ob->skill);
		998
1099	if (!skill)	999	if (!skill)
1100	{	1000	{
1101	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	1001	op->failmsgf ("You need the %s skill to cast %s! "
		1002	"H<You either need to learn the skill via a skill scroll "
		1003	"or you need to wear a talisman, holy symbol or another skill tool.>",
		1004	&spell_ob->skill, &spell_ob->name);
1102	return 0;	1005	return 0;
1103	}	1006	}
1104	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1007
		1008	const char *msg = "";
		1009
		1010	int caster_level = skill->level;
		1011
		1012	if (op->path_attuned & spell_ob->path_attuned)
1105	{	1013	{
1106	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1014	caster_level += min (caster_level, ATTUNE_REPELL);
		1015	msg = " (attuned)";
		1016	}
		1017
		1018	if (op->path_repelled & spell_ob->path_attuned)
		1019	{
		1020	caster_level -= ATTUNE_REPELL; // negative is ok
		1021	msg = " (repelled)";
		1022	}
		1023
		1024	if (spell_ob->level > caster_level)
		1025	{
		1026	op->failmsgf ("You lack enough skill to cast that spell! "
		1027	"H<Your effective cast level is %d%s, but level %d is required.>",
		1028	caster_level, msg, spell_ob->level);
		1029	if (!op->is_wiz ())
1107	return 0;	1030	return 0;
1108	}	1031	}
1109	}	1032	}
		1033
1110	/* If the caster is the wiz, they don't ever fail, and don't have	1034	/* If the caster is the wiz, they don't ever fail, and don't have
1111	* to have sufficient grace/mana.	1035	* to have sufficient grace/mana.
1112	*/	1036	*/
1113	if (!QUERY_FLAG (op, FLAG_WIZ))	1037	if (!op->flag [FLAG_WIZCAST])
1114	{	1038	{
1115	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1039	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1116	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1040	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1117	{	1041	{
1118	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1042	op->failmsg ("You don't have enough mana!");
1119	return 0;	1043	return 0;
1120	}	1044	}
1121		1045
1122	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1046	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1123	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1047	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1124	{	1048	{
1125	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1049	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1126	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1050	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1127	{
1128	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1051	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1129	}
1130	else	1052	else
1131	{	1053	{
1132	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1054	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1133	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1055	op->failmsgf ("%s ignores your prayer.", godname);
1134	return 0;	1056	return 0;
1135	}	1057	}
1136	}	1058	}
1137		1059
1138	/* player/monster is trying to cast the spell. might fumble it */	1060	/* player/monster is trying to cast the spell. might fumble it */
1139	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1061	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1140	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1062	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1141	{	1063	{
1142	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1064	op->contr->play_sound (sound_find ("fumble_spell"));
1143	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1065	op->failmsg ("You fumble the prayer.");
1144
1145	if (settings.casting_time == TRUE)
1146	op->casting_time = -1;
1147		1066
1148	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1067	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1149	return 0;	1068	return 0;
1150	}	1069	}
1151	else if (spell_ob->stats.sp)	1070	else if (spell_ob->stats.sp)
1152	{	1071	{
1153	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1072	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1154		1073
1155	if (failure < 0)	1074	if (failure < 0)
1156	{	1075	{
1157	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1076	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1158	if (settings.spell_failure_effects == TRUE)	1077	if (settings.spell_failure_effects == TRUE)
1159	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1078	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1160	op->contr->shoottype = (rangetype) old_shoottype;	1079
1161	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1080	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1162	return 0;	1081	return 0;
1163	}	1082	}
1164	}	1083	}
1165	}	1084	}
1166	}	1085	}
1167		1086
1168	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1087	int mflags = op->ms ().flags ();
1169		1088
1170	/* See if we can cast a spell here. If the caster and op are	1089	/* See if we can cast a spell here. If the caster and op are
1171	* not alive, then this would mean that the mapmaker put the	1090	* not alive, then this would mean that the mapmaker put the
1172	* objects on the space - presume that they know what they are	1091	* objects on the space - presume that they know what they are
1173	* doing.	1092	* doing.
1174	*/	1093	*/
1175		1094
1176	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1095	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1177	{	1096	{
		1097	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1178	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1098	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1179	return 0;	1099	return 0;
1180	}	1100	}
1181		1101
1182	if ((spell_ob->type == SPELL)	1102	if ((spell_ob->type == SPELL)
1183	&& (caster->type != POTION)	1103	&& (caster->type != POTION)
1184	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1104	&& !op->flag [FLAG_WIZCAST]
1185	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1105	&& (caster->flag [FLAG_ALIVE]
1186	|| QUERY_FLAG (op, FLAG_ALIVE))	1106	|| op->flag [FLAG_ALIVE])
1187	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1107	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1188	{	1108	{
1189	if (op->type != PLAYER)	1109	if (op->type != PLAYER)
1190	return 0;	1110	return 0;
1191		1111
1192	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1112	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1193	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1113	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1194	else	1114	else if (object *item = op->contr->ranged_ob)
1195	switch (op->contr->shoottype)
1196	{	1115	{
1197	case range_magic:	1116	if (item->type == SPELL)
1198	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1117	op->failmsg ("Something blocks your spellcasting.");
1199	break;	1118	else if (item->type == SCROLL)
1200	case range_misc:	1119	op->failmsg ("Something blocks the magic of your scroll.");
1201	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1202	break;
1203	case range_golem:
1204	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1205	break;
1206	default:
1207	break;
1208	}
1209	return 0;
1210	}
1211
1212	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1213	{
1214	if (op->casting_time == -1)
1215	{ /* begin the casting */
1216	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1217	op->spell = spell_ob;
1218	/* put the stringarg into the object struct so that when the
1219	* spell is actually cast, it knows about the stringarg.
1220	* necessary for the invoke command spells.
1221	*/
1222	if (stringarg)
1223	{
1224	op->spellarg = strdup (stringarg);
1225	}
1226	else	1120	else
1227	op->spellarg = NULL;	1121	op->failmsg ("Something blocks the magic of your item.");
1228	return 0;
1229	}
1230	else if (op->casting_time != 0)
1231	{
1232	if (op->type == PLAYER)
1233	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1234	return 0;
1235	}	1122	}
1236	else	1123	else
1237	{ /* casting_time == 0 */	1124	op->failmsg ("Something blocks the spell!");
1238	op->casting_time = -1;	1125
1239	spell_ob = op->spell;	1126	return 0;
1240	stringarg = op->spellarg;
1241	}
1242	}
1243	else
1244	{	1127	}
		1128
		1129	// undo the flood protection from earlier
		1130	op->speed_left += 4 * op->speed; // ~0.5s on failure
		1131
1245	/* Take into account how long it takes to cast the spell.	1132	/* Take into account how long it takes to cast the spell.
1246	* if the player is casting it, then we use the time in	1133	* if the player is casting it, then we use the time in
1247	* the spell object. If it is a spell object, have it	1134	* the spell object. If it is a spell object, have it
1248	* take two ticks. Things that cast spells on the players	1135	* take two ticks. Things that cast spells on the players
1249	* behalf (eg, altars, and whatever else) shouldn't cost	1136	* behalf (eg, altars, and whatever else) shouldn't cost
1250	* the player any time.	1137	* the player any time.
1251	* Ignore casting time for firewalls	1138	* Ignore casting time for firewalls
		1139	*/
		1140	if (caster == op && caster->type != FIREWALL)
		1141	{
		1142	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1143	/* Other portions of the code may also decrement the speed of the player, so
		1144	* put a lower limit so that the player isn't stuck here too long
1252	*/	1145	*/
1253	if (caster == op && caster->type != FIREWALL)
1254	{
1255	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1256	/* Other portions of the code may also decrement the speed of the player, so
1257	* put a lower limit so that the player isn't stuck here too long
1258	*/
1259	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1146	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1260	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1147	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1261	}	1148	}
1262	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1149	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1263	{
1264	op->speed_left -= 2 * FABS (op->speed);	1150	op->speed_left -= 2 * op->speed;
1265	}
1266	}
1267		1151
1268	if (op->type == PLAYER && op == caster)	1152	if (op->type == PLAYER && op == caster)
1269	{	1153	{
1270	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1154	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1271	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1155	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1276	* object requires.	1160	* object requires.
1277	*/	1161	*/
1278	if (op != caster && !skill && caster->skill)	1162	if (op != caster && !skill && caster->skill)
1279	{	1163	{
1280	skill = find_skill_by_name (op, caster->skill);	1164	skill = find_skill_by_name (op, caster->skill);
		1165
1281	if (!skill)	1166	if (!skill)
1282	{	1167	{
1283	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1168	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1284	return 0;	1169	return 0;
1285	}	1170	}
1286	change_skill (op, skill, 0); /* needed for proper exp credit */
1287	}	1171	}
		1172
		1173	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1174	return RESULT_INT (0);
		1175
		1176	// temporaroly replace chosen_skill by skill, we assume skill *could* be applied,
		1177	// at least temporarily, which might not be true due to slot restrictions, but hey
		1178	// invoke requires it basically.
		1179
		1180	object *chosen_skill = op->chosen_skill;
		1181	op->chosen_skill = skill;
1288		1182
1289	switch (spell_ob->subtype)	1183	switch (spell_ob->subtype)
1290	{	1184	{
1291	/* The order of case statements is same as the order they show up	1185	/* The order of case statements is same as the order they show up
1292	* in in spells.h.	1186	* in spells.h.
1293	*/	1187	*/
1294	case SP_RAISE_DEAD:	1188	case SP_RAISE_DEAD:
1295	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1189	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1296	break;	1190	break;
1297		1191
1298	case SP_RUNE:	1192	case SP_RUNE:
1299	success = write_rune (op, caster, spell_ob, dir, stringarg);	1193	success = write_rune (op, caster, spell_ob, dir, spellparam);
1300	break;	1194	break;
1301		1195
1302	case SP_MAKE_MARK:	1196	case SP_MAKE_MARK:
1303	success = write_mark (op, spell_ob, stringarg);	1197	success = write_mark (op, spell_ob, spellparam);
1304	break;	1198	break;
1305		1199
1306	case SP_BOLT:	1200	case SP_BOLT:
1307	success = fire_bolt (op, caster, dir, spell_ob, skill);	1201	success = fire_bolt (op, caster, dir, spell_ob, skill);
1308	break;	1202	break;
…		…
1326	case SP_SMITE:	1220	case SP_SMITE:
1327	success = cast_smite_spell (op, caster, dir, spell_ob);	1221	success = cast_smite_spell (op, caster, dir, spell_ob);
1328	break;	1222	break;
1329		1223
1330	case SP_MAGIC_MISSILE:	1224	case SP_MAGIC_MISSILE:
1331	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1225	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1332	break;	1226	break;
1333		1227
1334	case SP_SUMMON_GOLEM:	1228	case SP_SUMMON_GOLEM:
1335	success = summon_golem (op, caster, dir, spell_ob);	1229	success = summon_golem (op, caster, dir, spell_ob);
1336	old_shoottype = range_golem;
1337	break;	1230	break;
1338		1231
1339	case SP_DIMENSION_DOOR:	1232	case SP_DIMENSION_DOOR:
1340	/* dimension door needs the actual caster, because that is what is	1233	/* dimension door needs the actual caster, because that is what is
1341	* moved.	1234	* moved.
1342	*/	1235	*/
1343	success = dimension_door (op, caster, spell_ob, dir);	1236	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1344	break;	1237	break;
1345		1238
1346	case SP_MAGIC_MAPPING:	1239	case SP_MAGIC_MAPPING:
1347	if (op->type == PLAYER)	1240	if (op->type == PLAYER)
1348	{	1241	{
…		…
1381	case SP_HEALING:	1274	case SP_HEALING:
1382	success = cast_heal (op, caster, spell_ob, dir);	1275	success = cast_heal (op, caster, spell_ob, dir);
1383	break;	1276	break;
1384		1277
1385	case SP_CREATE_FOOD:	1278	case SP_CREATE_FOOD:
1386	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1279	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1387	break;	1280	break;
1388		1281
1389	case SP_EARTH_TO_DUST:	1282	case SP_EARTH_TO_DUST:
1390	success = cast_earth_to_dust (op, caster, spell_ob);	1283	success = cast_earth_to_dust (op, caster, spell_ob);
1391	break;	1284	break;
…		…
1401	case SP_CURSE:	1294	case SP_CURSE:
1402	success = cast_curse (op, caster, spell_ob, dir);	1295	success = cast_curse (op, caster, spell_ob, dir);
1403	break;	1296	break;
1404		1297
1405	case SP_SUMMON_MONSTER:	1298	case SP_SUMMON_MONSTER:
1406	success = summon_object (op, caster, spell_ob, dir, stringarg);	1299	success = summon_object (op, caster, spell_ob, dir, spellparam);
1407	break;	1300	break;
1408		1301
1409	case SP_CHARGING:	1302	case SP_CHARGING:
1410	success = recharge (op, caster, spell_ob);	1303	success = recharge (op, caster, spell_ob);
1411	break;	1304	break;
…		…
1414	#ifdef NO_POLYMORPH	1307	#ifdef NO_POLYMORPH
1415	/* Not great, but at least provide feedback so if players do have	1308	/* Not great, but at least provide feedback so if players do have
1416	* polymorph (ie, find it as a preset item or left over from before	1309	* polymorph (ie, find it as a preset item or left over from before
1417	* it was disabled), they get some feedback.	1310	* it was disabled), they get some feedback.
1418	*/	1311	*/
1419	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1312	op->failmsg ("The spell fizzles!");
1420	success = 0;	1313	success = 0;
1421	#else	1314	#else
1422	success = cast_polymorph (op, caster, spell_ob, dir);	1315	success = cast_polymorph (op, caster, spell_ob, dir);
1423	#endif	1316	#endif
1424	break;	1317	break;
…		…
1444	break;	1337	break;
1445		1338
1446	case SP_MOVING_BALL:	1339	case SP_MOVING_BALL:
1447	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1340	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1448	{	1341	{
1449	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1342	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1450	success = 0;	1343	success = 0;
1451	}	1344	}
1452	else	1345	else
1453	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1346	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1454	break;	1347	break;
1455		1348
1456	case SP_SWARM:	1349	case SP_SWARM:
1457	success = fire_swarm (op, caster, spell_ob, dir);	1350	success = fire_swarm (op, caster, spell_ob, dir);
1458	break;	1351	break;
…		…
1465	/* in rune.c */	1358	/* in rune.c */
1466	success = dispel_rune (op, caster, spell_ob, skill, dir);	1359	success = dispel_rune (op, caster, spell_ob, skill, dir);
1467	break;	1360	break;
1468		1361
1469	case SP_CREATE_MISSILE:	1362	case SP_CREATE_MISSILE:
1470	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1363	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1471	break;	1364	break;
1472		1365
1473	case SP_CONSECRATE:	1366	case SP_CONSECRATE:
1474	success = cast_consecrate (op, caster, spell_ob);	1367	success = cast_consecrate (op, caster, spell_ob);
1475	break;	1368	break;
1476		1369
1477	case SP_ANIMATE_WEAPON:	1370	case SP_ANIMATE_WEAPON:
1478	success = animate_weapon (op, caster, spell_ob, dir);	1371	success = animate_weapon (op, caster, spell_ob, dir);
1479	old_shoottype = range_golem;
1480	break;	1372	break;
1481		1373
1482	case SP_LIGHT:	1374	case SP_LIGHT:
1483	success = cast_light (op, caster, spell_ob, dir);	1375	success = cast_light (op, caster, spell_ob, dir);
1484	break;	1376	break;
…		…
1497		1389
1498	case SP_AURA:	1390	case SP_AURA:
1499	success = create_aura (op, caster, spell_ob);	1391	success = create_aura (op, caster, spell_ob);
1500	break;	1392	break;
1501		1393
1502	case SP_TOWN_PORTAL:
1503	success = cast_create_town_portal (op, caster, spell_ob, dir);
1504	break;
1505
1506	case SP_PARTY_SPELL:	1394	case SP_PARTY_SPELL:
1507	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1395	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1508	break;	1396	break;
1509		1397
1510	default:	1398	default:
1511	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1512	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1399	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1513	}
1514
1515	/* FIXME - we need some better sound suppport */
1516	// yes, for example, augment map info with the spell effect
1517	// so clients can calculate the sounds themselves
1518	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1519
1520	/* free the spell arg */
1521	if (settings.casting_time == TRUE && stringarg)
1522	{	1400	}
1523	free (stringarg);	1401
1524	stringarg = NULL;	1402	// restore chosen_skill
1525	}	1403	op->chosen_skill = chosen_skill;
1526	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1404
1527	* to something like use_magic_item, but you really want to be able to fire	1405	op->play_sound (
1528	* it again.	1406	success
1529	*/	1407	? spell_ob->sound
1530	if (op->contr)	1408	? spell_ob->sound
1531	op->contr->shoottype = (rangetype) old_shoottype;	1409	: sound_find ("spell_success")
		1410	: sound_find ("fumble_spell")
		1411	);
1532		1412
1533	return success;	1413	return success;
1534	}	1414	}
1535		1415
1536
1537	/* This is called from time.c/process_object(). That function	1416	/* This is called from time.c/process_object(). That function
1538	* calls this for any SPELL_EFFECT type objects. This function	1417	* calls this for any SPELL_EFFECT type objects. This function
1539	* then dispatches them to the appropriate specific routines.	1418	* then dispatches them to the appropriate specific routines.
1540	*/	1419	*/
1541	void	1420	void
1542	move_spell_effect (object *op)	1421	move_spell_effect (object *op)
1543	{	1422	{
…		…
1583	move_aura (op);	1462	move_aura (op);
1584	break;	1463	break;
1585	}	1464	}
1586	}	1465	}
1587		1466
1588	/* this checks to see if something special should happen if
1589	* something runs into the object.
1590	*/
1591	void
1592	check_spell_effect (object *op)
1593	{
1594	switch (op->subtype)
1595	{
1596	case SP_BOLT:
1597	move_bolt (op);
1598	return;
1599
1600	case SP_BULLET:
1601	check_bullet (op);
1602	return;
1603	}
1604	}
1605
1606	/* This is called by move_apply. Basically, if someone	1467	/* This is called by move_apply. Basically, if someone
1607	* moves onto a spell effect and the walk_on or fly_on flags	1468	* moves onto a spell effect and the walk_on or fly_on flags
1608	* are set, this is called. This should only be called for	1469	* are set, this is called. This should only be called for
1609	* objects of the appropraite type.	1470	* objects of the appropriate type.
1610	*/	1471	*/
1611	void	1472	void
1612	apply_spell_effect (object *spell, object *victim)	1473	apply_spell_effect (object *spell, object *victim)
1613	{	1474	{
1614	switch (spell->subtype)	1475	switch (spell->subtype)
1615	{	1476	{
1616	case SP_CONE:	1477	case SP_CONE:
1617	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1478	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1618	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1479	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1619	break;	1480	break;
1620		1481
1621	case SP_MAGIC_MISSILE:	1482	case SP_MAGIC_MISSILE:
1622	if (QUERY_FLAG (victim, FLAG_ALIVE))	1483	if (victim->flag [FLAG_ALIVE])
1623	{	1484	{
1624	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1485	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1625
1626	if (!spell->destroyed ())
1627	spell->destroy ();	1486	spell->destroy ();
1628	}	1487	}
1629	break;	1488	break;
1630		1489
1631	case SP_MOVING_BALL:	1490	case SP_MOVING_BALL:
1632	if (QUERY_FLAG (victim, FLAG_ALIVE))	1491	if (victim->flag [FLAG_ALIVE])
1633	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1492	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1634	else if (victim->materialname)	1493	else if (victim->material != MATERIAL_NULL)
1635	save_throw_object (victim, spell->attacktype, spell);	1494	save_throw_object (victim, spell->attacktype, spell);
		1495
1636	break;	1496	break;
1637	}	1497	}
1638	}	1498	}
		1499
		1500	/**
		1501	* This function will let a fireball explode at the position of
		1502	* the victim with a specific maximum level.
		1503	*/
		1504	void
		1505	create_exploding_ball_at (object *victim, int level)
		1506	{
		1507	object *ball = archetype::get (EXPLODING_FIREBALL);
		1508	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1509	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1510	ball->insert_at (victim);
		1511	}

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