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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.29 by root, Tue Dec 26 20:04:09 2006 UTC vs.
Revision 1.109 by root, Sun Nov 29 17:41:08 2009 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23
24		24
25	#include <global.h>	25	#include <global.h>
26	#include <spells.h>	26	#include <spells.h>
27	#include <object.h>	27	#include <object.h>
28	#include <errno.h>	28	#include <errno.h>
…		…
34	/* 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
35	* 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
36	* matching spells are used.	36	* matching spells are used.
37	*/	37	*/
38	object *	38	object *
39	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
40	{	40	{
41	int k = 0, s;	41	int k = 0, s;
42	object *tmp;
43		42
44	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
45	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
46	k++;	45	k++;
47		46
48	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
49	if (!k)	48	if (!k)
50	return NULL;	49	return NULL;
51		50
52	s = RANDOM () % k;	51	s = rndm (k);
53		52
54	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
55	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
56	{
57	if (!s)	55	if (!s)
58	return tmp;	56	return tmp;
59	else	57	else
60	s--;	58	s--;
61	}	59
62	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
63	return NULL;	61	return 0;
64	}	62	}
65		63
66	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
67	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
68	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
78	dest->skill = spob->skill;	76	dest->skill = spob->skill;
79	else	77	else
80	dest->skill = caster->skill;	78	dest->skill = caster->skill;
81	}	79	}
82		80
83	/* init_spells: This should really be called check_spells, as that
84	* is what it does. It goes through the spells looking for any
85	* obvious errors. This was most useful in debugging when re-doing
86	* all the spells to catch simple errors. To use it all the time
87	* will result in it spitting out messages that aren't really errors.
88	*/
89	void
90	init_spells (void)
91	{
92	#ifdef SPELL_DEBUG
93	static int init_spells_done = 0;
94	int i;
95	archetype *at;
96
97	if (init_spells_done)
98	return;
99	LOG (llevDebug, "Checking spells...\n");
100
101	for (at = first_archetype; at; at = at->next)
102	{
103	if (at->clone.type == SPELL)
104	{
105	if (at->clone.skill)
106	{
107	for (i = 1; i < NUM_SKILLS; i++)
108	if (!strcmp (skill_names[i], at->clone.skill))
109	break;
110	if (i == NUM_SKILLS)
111	{
112	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
113	}
114	}
115	/* other_arch is already checked for in the loader */
116	}
117	}
118
119	i = 0;
120	while (spell_mapping[i])
121	{
122	if (!archetype::find (spell_mapping[i]))
123	{
124	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
125	}
126	i++;
127	}
128	LOG (llevDebug, "Checking spells completed.\n");
129	#endif
130	}
131
132	/* Dumps all the spells - now also dumps skill associated with the spell.
133	* not sure what this would be used for, as the data seems pretty
134	* minimal, but easy enough to keep around.
135	*/
136	void
137	dump_spells (void)
138	{
139	archetype *at;
140
141	for (at = first_archetype; at; at = at->next)
142	{
143	if (at->clone.type == SPELL)
144	{
145	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
146	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
147	}
148	}
149	}
150
151	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
152	* 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
153	*/	83	*/
154	void	84	void
155	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)
156	{	86	{
157	if (spob->other_arch)	87	if (spob->other_arch)
158	map->insert (arch_to_object (spob->other_arch), x, y, originator);	88	map->insert (spob->other_arch->instance (), x, y, originator);
159	}	89	}
160		90
161	/*	91	static int
162	* This function takes a caster and spell and presents the	92	attuned_bonus (object *caster, object *spell, int level)
163	* effective level the caster needs to be to cast the spell.
164	* basically, it just adjusts the spell->level with attuned/repelled
165	* spellpaths. Was called path_level_mod
166	*
167	* caster is person casting hte spell.
168	* spell is the spell object.
169	* Returns modified level.
170	*/
171	int
172	min_casting_level (object *caster, object *spell)
173	{	93	{
174	int new_level;	94	// compute the attuned/repelled bonus
175		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
176	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
177	return 1;	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
178		98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
179	new_level = spell->level
180	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
181
182	return (new_level < 1) ? 1 : new_level;
183	}	99	}
184
185		100
186	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
187	* is being cast at.	102	* is being cast at.
188	* Note that I changed the repelled/attuned bonus to 2 from 5.
189	* This is because the new code compares casting_level against
190	* min_caster_level, so the difference is effectively 4
191	*/	103	*/
192
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) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	122
		123	level += bonus;
		124
		125	// now scale the effective level from the startinglevel..100 range to 1..100
		126	if (level < 100)
		127	level = lerp (level, (int)spell->level, 100, 1, 100);
218		128
219	/* 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
220	* errors in various places.	130	* errors in various places.
221	*/	131	*/
222	if (level < 1)	132	return clamp (level, 1, settings.max_level);
223	level = 1;
224
225	return level;
226	}	133	}
227		134
228	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
229	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
230	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
234	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
235	* spell is the spell object.	142	* spell is the spell object.
236	* 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
237	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
238	*/	145	*/
239
240	sint16	146	sint16
241	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
242	{	148	{
243	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
244		150
245	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
246	{	152	{
247	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
248	{
249	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));
250	}
251	else	155	else
252	sp = spell->stats.sp;	156	sp = spell->stats.sp;
253		157
254	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
255	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
256	sp = 1;	160	sp = 1;
257		161
258	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
259	{
260	grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace)));	163	grace = spell->stats.grace * (1.0 + max (0, float (level - spell->level) / spell->stats.maxgrace));
261	}
262	else	164	else
263	grace = spell->stats.grace;	165	grace = spell->stats.grace;
264		166
265	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
266	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
267	grace = 1;	169	grace = 1;
268	}	170	}
269	else	171	else
270	{	172	{
271	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
272	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
273	sp = 1;	175	sp = 1;
		176
274	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
275	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
276	grace = 1;	179	grace = 1;
277	}	180	}
		181
278	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
279	return MAX (sp, grace);	183	return max (sp, grace);
280	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
281	return grace;	185	return grace;
282	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
283	return sp;	187	return sp;
284	else	188	else
…		…
286	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);
287	return 0;	191	return 0;
288	}	192	}
289	}	193	}
290		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	}
291		205
292	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
293	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
294	*/	208	*/
295	int	209	int
296	SP_level_dam_adjust (object *caster, object *spob)	210	SP_level_dam_adjust (object *caster, object *spob)
297	{	211	{
298	int level = caster_level (caster, spob);
299	int adj = level - min_casting_level (caster, spob);
300
301	if (adj < 0)
302	adj = 0;
303	if (spob->dam_modifier)	212	if (!spob->dam_modifier)
304	adj /= spob->dam_modifier;
305	else
306	adj = 0;
307	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
308	}	216	}
309		217
310	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
311	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
312	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
313	*/	221	*/
314	int	222	int
315	SP_level_duration_adjust (object *caster, object *spob)	223	SP_level_duration_adjust (object *caster, object *spob)
316	{	224	{
317	int level = caster_level (caster, spob);
318	int adj = level - min_casting_level (caster, spob);
319
320	if (adj < 0)
321	adj = 0;
322	if (spob->duration_modifier)	225	if (!spob->duration_modifier)
323	adj /= spob->duration_modifier;
324	else
325	adj = 0;
326
327	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
328	}	229	}
329		230
330	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
331	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
332	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
333	*/	234	*/
334	int	235	int
335	SP_level_range_adjust (object *caster, object *spob)	236	SP_level_range_adjust (object *caster, object *spob)
336	{	237	{
337	int level = caster_level (caster, spob);
338	int adj = level - min_casting_level (caster, spob);
339
340	if (adj < 0)
341	adj = 0;
342	if (spob->range_modifier)	238	if (!spob->range_modifier)
343	adj /= spob->range_modifier;
344	else
345	adj = 0;
346
347	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
348	}	242	}
349		243
350	/* 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
351	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
352	* 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.
353	*/	247	*/
354	object *	248	object *
355	check_spell_known (object *op, const char *name)	249	check_spell_known (object *op, shstr_cmp name)
356	{	250	{
357	object *spop;	251	object *spop;
358		252
359	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
360	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
361	return spop;	255	return spop;
362		256
363	return NULL;	257	return 0;
364	}	258	}
365
366		259
367	/*	260	/*
368	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
369	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
370	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
371	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
372	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
373	* exact match, we also return NULL.	266	* exact match, we also return NULL.
374	*/	267	*/
375
376	object *	268	object *
377	lookup_spell_by_name (object *op, const char *spname)	269	lookup_spell_by_name (object *op, const char *spname)
378	{	270	{
379	object *spob1 = NULL, *spob2 = NULL, *spob;	271	object *spob1 = 0, *spob2 = 0;
380	int nummatch = 0;	272	int nummatch = 0;
381		273
382	if (spname == NULL)	274	if (!spname)
383	return NULL;	275	return 0;
384		276
385	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
386	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
387	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
388	*/	280	*/
389	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
390	{	282	{
391	if (spob->type == SPELL)	283	if (spob->type == SPELL)
392	{	284	{
		285	// TODO: WTF?
393	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
394	{	287	{
395	nummatch++;	288	nummatch++;
396	spob1 = spob;	289	spob1 = spob;
397	}	290	}
…		…
402	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
403	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
404	*/	297	*/
405	if (spob2)	298	if (spob2)
406	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
407	spob2 = spob;	301	spob2 = spob;
408	}	302	}
409	}	303	}
410	}	304	}
411	/* 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
412	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
413	*/	307	*/
414	if (spob2)	308	if (spob2)
415	return spob2;	309	return spob2;
		310
416	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
417	return spob1;	312	return spob1;
		313
418	return NULL;	314	return NULL;
419	}	315	}
420		316
421	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
422	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
426	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
427	*/	323	*/
428	int	324	int
429	reflwall (maptile *m, int x, int y, object *sp_op)	325	reflwall (maptile *m, int x, int y, object *sp_op)
430	{	326	{
431	object *op;
432
433	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
434	return 0;	328	return 0;
		329
435	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)
436	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
437	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!QUERY_FLAG (op, FLAG_ALIVE)
438	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
439	return 1;	334	return 1;
440		335
…		…
461	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	356	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
462	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	357	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
463	dir = 0;	358	dir = 0;
464	}	359	}
465		360
		361	SET_FLAG (new_op, FLAG_IDENTIFIED);
466	op->map->insert (new_op,	362	op->map->insert (new_op,
467	op->x + freearr_x[dir], op->y + freearr_y[dir],	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
468	op,	364	op,
469	dir ? 0 : INS_BELOW_ORIGINATOR);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
470		366
471	return dir;	367	return dir;
		368	}
		369
		370	static bool
		371	mergable_owner (object *o1, object *o2)
		372	{
		373	if (o1 == o2)
		374	return 1;
		375
		376	if (!o1 || !o2)
		377	return 0;
		378
		379	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		380	return 0;
		381
		382	if (o1->is_player () || o2->is_player ())
		383	return 0;
		384
		385	return 1;
472	}	386	}
473		387
474	/* Returns true if it is ok to put spell *op on the space/may provided.	388	/* Returns true if it is ok to put spell *op on the space/may provided.
475	* immune_stop is basically the attacktype of the spell (why	389	* immune_stop is basically the attacktype of the spell (why
476	* passed as a different value, not sure of). If immune_stop	390	* passed as a different value, not sure of). If immune_stop
477	* has the AT_MAGIC bit set, and there is a counterwall	391	* has the AT_MAGIC bit set, and there is a counterwall
478	* on the space, the object doesn't get placed. if immune stop	392	* on the space, the object doesn't get placed. if immune stop
479	* does not have AT_MAGIC, then counterwalls do not effect the spell.	393	* does not have AT_MAGIC, then counterwalls do not effect the spell.
480	*	394	*/
481	*/
482
483	int	395	int
484	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)	396	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
485	{	397	{
486	object *tmp;	398	if (!xy_normalise (m, x, y))
487	int mflags;
488	maptile *mp;
489
490	mp = m;
491	mflags = get_map_flags (m, &mp, x, y, &x, &y);
492
493	if (mflags & P_OUT_OF_MAP)
494	return 0;	399	return 0;
495		400
496	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	401	mapspace &ms = m->at (x, y);
		402	ms.update ();
		403
		404	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
497	return 0;	405	return 0;
498		406
499	for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above)	407	int max_effects = 5; // max. number of similar spells per mapspace
		408
		409	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
500	{	410	{
501	/* If there is a counterspell on the space, and this	411	/* If there is a counterspell on the space, and this
502	* object is using magic, don't progress. I believe we could	412	* object is using magic, don't progress. I believe we could
503	* leave this out and let in progress, and other areas of the code	413	* leave this out and let in progress, and other areas of the code
504	* will then remove it, but that would seem to to use more	414	* will then remove it, but that would seem to to use more
505	* resources, and may not work as well if a player is standing	415	* resources, and may not work as well if a player is standing
506	* on top of a counterwall spell (may hit the player before being	416	* on top of a counterwall spell (may hit the player before being
507	* removed.) On the other hand, it may be more dramatic for the	417	* removed.) On the other hand, it may be more dramatic for the
508	* spell to actually hit the counterwall and be sucked up.	418	* spell to actually hit the counterwall and be sucked up.
509	*/	419	*/
510	if ((tmp->attacktype & AT_COUNTERSPELL) &&	420	if ((tmp->attacktype & AT_COUNTERSPELL)
511	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	421	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
512	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	422	&& (tmp->type != PLAYER)
		423	&& (tmp->type != WEAPON)
		424	&& (tmp->type != BOW)
		425	&& (tmp->type != ARROW)
		426	&& (tmp->type != GOLEM)
		427	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		428	// we special case floor here because there
		429	// are sometimes spell effect floors
		430	// which are used to inflict damage
		431	// (and those shouldn't go away from
		432	// sanctuary) see also: permanent lava
		433	&& (immune_stop & AT_MAGIC))
513	return 0;	434	return 0;
514		435
515	/* This is to prevent 'out of control' spells. Basically, this
516	* limits one spell effect per space per spell. This is definately
517	* needed for performance reasons, and just for playability I believe.
518	* there are no such things as multispaced spells right now, so
519	* we don't need to worry about the head.
520	*/
521	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
522	return 0;
523
524	/*
525	* Combine similar spell effects into one spell effect. Needed for
526	* performance reasons with meteor swarm and the like, but also for
527	* playability reasons.
528	*/
529	if (tmp->arch == op->arch
530	&& tmp->type == op->type	436	if (tmp->type == op->type)
531	&& tmp->subtype == op->subtype
532	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
533	{	437	{
534	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	438	if (tmp->subtype == op->subtype
535	tmp->range = MAX (tmp->range, op->range);	439	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
536	tmp->duration = MAX (tmp->duration, op->duration);	440	{
		441	/* This is to prevent 'out of control' spells. Basically, this
		442	* limits one spell effect per space per spell. This is definately
		443	* needed for performance reasons, and just for playability I believe.
		444	* there are no such things as multispaced spells right now, so
		445	* we don't need to worry about the head.
		446	*/
		447	if (tmp->stats.maxhp == op->stats.maxhp)
		448	return 0;
		449
		450	/*
		451	* Combine similar spell effects into one spell effect. Needed for
		452	* performance reasons with meteor swarm and the like, but also for
		453	* playability reasons.
		454	*/
		455	if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		456	if (mergable_owner (tmp, op))
		457	{
		458	// if same owner, then combine, but reduce advantage of multiple spells
		459	max_it (tmp->stats.dam, op->stats.dam);
		460	max_it (tmp->range , op->range);
		461	max_it (tmp->duration , op->duration);
		462	return 0;
		463	}
		464	}
		465
		466	// if there are too many spell effects on this space,
		467	// then don't allow more of them, for performance reasons.
		468	if (tmp->type == SPELL_EFFECT
		469	&& !--max_effects)
537	return 0;	470	return 0;
538	}	471	}
539		472
540	/* Perhaps we should also put checks in for no magic and unholy	473	/* Perhaps we should also put checks in for no magic and unholy
541	* ground to prevent it from moving along?	474	* ground to prevent it from moving along?
542	*/	475	*/
543	}	476	}
		477
544	/* If it passes the above tests, it must be OK */	478	/* If it passes the above tests, it must be OK */
545	return 1;	479	return 1;
546	}	480	}
547		481
548	/* fire_arch_from_position: fires an archetype.	482	/* fire_arch_from_position: fires an archetype.
…		…
553	* dir: direction to fire in.	487	* dir: direction to fire in.
554	* spell: spell that is being fired. It uses other_arch for the archetype	488	* spell: spell that is being fired. It uses other_arch for the archetype
555	* to fire.	489	* to fire.
556	* returns 0 on failure, 1 on success.	490	* returns 0 on failure, 1 on success.
557	*/	491	*/
558
559	int	492	int
560	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)	493	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
561	{	494	{
562	object *tmp;
563	int mflags;
564	maptile *m;
565
566	if (spell->other_arch == NULL)	495	if (!spell->other_arch)
567	return 0;	496	return 0;
568		497
569	m = op->map;	498	object *tmp = spell->other_arch->instance ();
570	mflags = get_map_flags (m, &m, x, y, &x, &y);
571	if (mflags & P_OUT_OF_MAP)
572	{
573	return 0;
574	}
575		499
576	tmp = arch_to_object (spell->other_arch);	500	if (!tmp)
577
578	if (tmp == NULL)
579	return 0;	501	return 0;
580
581	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
582	{
583	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
584	tmp->destroy ();
585	return 0;
586	}
587		502
588	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	503	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
589	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	504	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
590	/* code in time.c uses food for some things, duration for others */	505	/* code in time.c uses food for some things, duration for others */
591	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
592	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
593	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
594	tmp->x = x;
595	tmp->y = y;
596	tmp->direction = dir;	509	tmp->direction = dir;
597	if (op->owner != NULL)
598	tmp->set_owner (op);	510	tmp->set_owner (op);
599	else
600	tmp->set_owner (op);
601	tmp->level = caster_level (caster, spell);	511	tmp->level = casting_level (caster, spell);
602	set_spell_skill (op, caster, spell, tmp);	512	set_spell_skill (op, caster, spell, tmp);
603		513
604	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	514	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
605	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	515	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
606	{
607	if (!tailor_god_spell (tmp, op))	516	if (!tailor_god_spell (tmp, op))
608	return 0;	517	return 0;
609	}	518
610	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	519	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
611	SET_ANIMATION (tmp, dir);	520	SET_ANIMATION (tmp, dir);
612		521
613	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	522	if ((tmp = op->map->insert (tmp, x, y, op)))
614	move_spell_effect (tmp);	523	move_spell_effect (tmp);
615		524
616	return 1;	525	return 1;
617	}	526	}
618		527
…		…
623	****************************************************************************/	532	****************************************************************************/
624	void	533	void
625	regenerate_rod (object *rod)	534	regenerate_rod (object *rod)
626	{	535	{
627	if (rod->stats.hp < rod->stats.maxhp)	536	if (rod->stats.hp < rod->stats.maxhp)
628	{	537	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
629	rod->stats.hp += 1 + rod->stats.maxhp / 10;
630
631	if (rod->stats.hp > rod->stats.maxhp)
632	rod->stats.hp = rod->stats.maxhp;
633	}
634	}	538	}
635
636		539
637	void	540	void
638	drain_rod_charge (object *rod)	541	drain_rod_charge (object *rod)
639	{	542	{
640	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	543	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
641	}	544	}
642
643
644
645		545
646	/* this function is commonly used to find a friendly target for	546	/* this function is commonly used to find a friendly target for
647	* spells such as heal or protection or armour	547	* spells such as heal or protection or armour
648	* op is what is looking for the target (which can be a player),	548	* op is what is looking for the target (which can be a player),
649	* dir is the direction we are looking in. Return object found, or	549	* dir is the direction we are looking in. Return object found, or
650	* NULL if no good object.	550	* NULL if no good object.
651	*/	551	*/
652
653	object *	552	object *
654	find_target_for_friendly_spell (object *op, int dir)	553	find_target_for_friendly_spell (object *op, int dir)
655	{	554	{
656	object *tmp;	555	object *tmp;
657	maptile *m;
658	sint16 x, y;
659	int mflags;
660		556
661	/* I don't really get this block - if op isn't a player or rune,	557	/* I don't really get this block - if op isn't a player or rune,
662	* we then make the owner of this object the target.	558	* we then make the owner of this object the target.
663	* The owner could very well be no where near op.	559	* The owner could very well be no where near op.
664	*/	560	*/
…		…
671	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	567	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))
672	tmp = op;	568	tmp = op;
673	}	569	}
674	else	570	else
675	{	571	{
676	m = op->map;	572	maptile *m = op->map;
677	x = op->x + freearr_x[dir];	573	sint16 x = op->x + freearr_x[dir];
678	y = op->y + freearr_y[dir];	574	sint16 y = op->y + freearr_y[dir];
679
680	mflags = get_map_flags (m, &m, x, y, &x, &y);
681
682	if (mflags & P_OUT_OF_MAP)
683	tmp = 0;
684	else	575
		576	tmp = xy_normalise (m, x, y)
685	tmp = m->at (x, y).player ();	577	? m->at (x, y).player ()
		578	: 0;
686	}	579	}
687		580
688	/* didn't find a player there, look in current square for a player */	581	/* didn't find a player there, look in current square for a player */
689	if (!tmp)	582	if (!tmp)
690	tmp = op->ms ().player ();	583	tmp = op->ms ().player ();
691		584
692	return tmp;	585	return tmp;
693	}	586	}
694
695
696		587
697	/* raytrace:	588	/* raytrace:
698	* spell_find_dir(map, x, y, exclude) will search first the center square	589	* spell_find_dir(map, x, y, exclude) will search first the center square
699	* then some close squares in the given map at the given coordinates for	590	* then some close squares in the given map at the given coordinates for
700	* live objects.	591	* live objects.
…		…
703	* monsters/generators only. If not, the spell will hunt players only.	594	* monsters/generators only. If not, the spell will hunt players only.
704	* It returns the direction toward the first/closest live object if it finds	595	* It returns the direction toward the first/closest live object if it finds
705	* any, otherwise -1.	596	* any, otherwise -1.
706	* note that exclude can be NULL, in which case all bets are off.	597	* note that exclude can be NULL, in which case all bets are off.
707	*/	598	*/
708
709	int	599	int
710	spell_find_dir (maptile *m, int x, int y, object *exclude)	600	spell_find_dir (maptile *m, int x, int y, object *exclude)
711	{	601	{
712	int i, max = SIZEOFFREE;	602	int i, max = SIZEOFFREE;
713	sint16 nx, ny;	603	sint16 nx, ny;
…		…
740	return freedir[i];	630	return freedir[i];
741	}	631	}
742	return -1; /* flag for "keep going the way you were" */	632	return -1; /* flag for "keep going the way you were" */
743	}	633	}
744		634
745
746
747	/* put_a_monster: puts a monster named monstername near by	635	/* put_a_monster: puts a monster named monstername near by
748	* op. This creates the treasures for the monsters, and	636	* op. This creates the treasures for the monsters, and
749	* also deals with multipart monsters properly.	637	* also deals with multipart monsters properly.
750	*/	638	*/
751		639	static void
752	void
753	put_a_monster (object *op, const char *monstername)	640	put_a_monster (object *op, const char *monstername)
754	{	641	{
755	object *tmp, *head = NULL, *prev = NULL;	642	object *tmp, *head = NULL, *prev = NULL;
756	archetype *at;	643	archetype *at;
757	int dir;	644	int dir;
…		…
763		650
764	/* find a free square nearby	651	/* find a free square nearby
765	* first we check the closest square for free squares	652	* first we check the closest square for free squares
766	*/	653	*/
767		654
768	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	655	dir = find_first_free_spot (at, op->map, op->x, op->y);
769	if (dir != -1)	656	if (dir != -1)
770	{	657	{
771	/* This is basically grabbed for generate monster. Fixed 971225 to	658	/* This is basically grabbed for generate monster. Fixed 971225 to
772	* insert multipart monsters properly	659	* insert multipart monsters properly
773	*/	660	*/
		661	//TODO: use expand_tail + ...
774	while (at != NULL)	662	while (at != NULL)
775	{	663	{
776	tmp = arch_to_object (at);	664	tmp = at->instance ();
777	tmp->x = op->x + freearr_x[dir] + at->clone.x;	665	tmp->x = op->x + freearr_x[dir] + at->x;
778	tmp->y = op->y + freearr_y[dir] + at->clone.y;	666	tmp->y = op->y + freearr_y[dir] + at->y;
779	tmp->map = op->map;	667	tmp->map = op->map;
780	if (head)	668	if (head)
781	{	669	{
782	tmp->head = head;	670	tmp->head = head;
783	prev->more = tmp;	671	prev->more = tmp;
784	}	672	}
		673
785	if (!head)	674	if (!head)
786	head = tmp;	675	head = tmp;
		676
787	prev = tmp;	677	prev = tmp;
		678
788	at = at->more;	679	at = (archetype *)at->more;
789	}	680	}
790		681
791	if (head->randomitems)	682	if (head->randomitems)
792	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	683	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
793		684
794	insert_ob_in_map (head, op->map, op, 0);	685	insert_ob_in_map (head, op->map, op, 0);
795		686
796	/* thought it'd be cool to insert a burnout, too. */	687	/* thought it'd be cool to insert a burnout, too. */
797	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	688	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
798	}	689	}
799	}	690	}
800		691
801	/* peterm: function which summons hostile monsters and	692	/* peterm: function which summons hostile monsters and
802	* places them in nearby squares.	693	* places them in nearby squares.
…		…
809	* Note that this is not used by any spells (summon evil monsters	700	* Note that this is not used by any spells (summon evil monsters
810	* use to call this, but best I can tell, that spell/ability was	701	* use to call this, but best I can tell, that spell/ability was
811	* never used. This is however used by various failures on the	702	* never used. This is however used by various failures on the
812	* players part (alchemy, reincarnation, etc)	703	* players part (alchemy, reincarnation, etc)
813	*/	704	*/
814
815	int	705	int
816	summon_hostile_monsters (object *op, int n, const char *monstername)	706	summon_hostile_monsters (object *op, int n, const char *monstername)
817	{	707	{
818	int i;	708	int i;
819		709
…		…
829	{	719	{
830	int attacktype;	720	int attacktype;
831	int face;	721	int face;
832	} ATTACKS[22] =	722	} ATTACKS[22] =
833	{	723	{
834	{
835	AT_PHYSICAL, 0},	724	{ AT_PHYSICAL, 0},
836	{
837	AT_PHYSICAL, 0}, /*face = explosion */	725	{ AT_PHYSICAL, 0}, /*face = explosion */
838	{
839	AT_PHYSICAL, 0},	726	{ AT_PHYSICAL, 0},
840	{
841	AT_MAGIC, 1},	727	{ AT_MAGIC, 1},
842	{
843	AT_MAGIC, 1}, /* face = last-burnout */	728	{ AT_MAGIC, 1}, /* face = last-burnout */
844	{
845	AT_MAGIC, 1},	729	{ AT_MAGIC, 1},
846	{
847	AT_FIRE, 2},	730	{ AT_FIRE, 2},
848	{
849	AT_FIRE, 2}, /* face = fire.... */	731	{ AT_FIRE, 2}, /* face = fire.... */
850	{
851	AT_FIRE, 2},	732	{ AT_FIRE, 2},
852	{
853	AT_ELECTRICITY, 3},	733	{ AT_ELECTRICITY, 3},
854	{
855	AT_ELECTRICITY, 3}, /* ball_lightning */	734	{ AT_ELECTRICITY, 3}, /* ball_lightning */
856	{
857	AT_ELECTRICITY, 3},	735	{ AT_ELECTRICITY, 3},
858	{
859	AT_COLD, 4},	736	{ AT_COLD, 4},
860	{
861	AT_COLD, 4}, /* face=icestorm */	737	{ AT_COLD, 4}, /* face=icestorm */
862	{
863	AT_COLD, 4},	738	{ AT_COLD, 4},
864	{
865	AT_CONFUSION, 5},	739	{ AT_CONFUSION, 5},
866	{
867	AT_POISON, 7},	740	{ AT_POISON, 7},
868	{
869	AT_POISON, 7}, /* face = acid sphere. generator */	741	{ AT_POISON, 7}, /* face = acid sphere. generator */
870	{
871	AT_POISON, 7}, /* poisoncloud face */	742	{ AT_POISON, 7}, /* poisoncloud face */
872	{
873	AT_SLOW, 8},	743	{ AT_SLOW, 8},
874	{
875	AT_PARALYZE, 9},	744	{ AT_PARALYZE, 9},
876	{
877	AT_FEAR, 10}};	745	{ AT_FEAR, 10},
878		746	};
879
880		747
881	/* shuffle_attack: peterm	748	/* shuffle_attack: peterm
882	* This routine shuffles the attack of op to one of the	749	* This routine shuffles the attack of op to one of the
883	* ones in the list. It does this at random. It also	750	* ones in the list. It does this at random. It also
884	* chooses a face appropriate to the attack that is	751	* chooses a face appropriate to the attack that is
…		…
907	{	774	{
908	SET_ANIMATION (op, ATTACKS[i].face);	775	SET_ANIMATION (op, ATTACKS[i].face);
909	}	776	}
910	}	777	}
911		778
912
913	/* prayer_failure: This is called when a player fails	779	/* prayer_failure: This is called when a player fails
914	* at casting a prayer.	780	* at casting a prayer.
915	* op is the player.	781	* op is the player.
916	* failure is basically how much grace they had.	782	* failure is basically how much grace they had.
917	* power is how much grace the spell would normally take to cast.	783	* power is how much grace the spell would normally take to cast.
918	*/	784	*/
919		785	static void
920	void
921	prayer_failure (object *op, int failure, int power)	786	prayer_failure (object *op, int failure, int power)
922	{	787	{
923	const char *godname;	788	const char *godname;
924	object *tmp;	789	object *tmp;
925		790
…		…
1018	tmp->insert_at (op);	883	tmp->insert_at (op);
1019	}	884	}
1020	}	885	}
1021	}	886	}
1022		887
1023	int	888	static int
1024	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	889	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1025	{	890	{
1026	int success;
1027	player *pl;
1028	object *spell;
1029
1030	if (!spell_ob->other_arch)	891	if (!spell_ob->other_arch)
1031	{	892	{
1032	LOG (llevError, "cast_party_spell: empty other arch\n");	893	LOG (llevError, "cast_party_spell: empty other arch\n");
1033	return 0;	894	return 0;
1034	}	895	}
1035	spell = arch_to_object (spell_ob->other_arch);	896
		897	object *spell = spell_ob->other_arch->instance ();
1036		898
1037	/* Always cast spell on caster */	899	/* Always cast spell on caster */
1038	success = cast_spell (op, caster, dir, spell, stringarg);	900	int success = cast_spell (op, caster, dir, spell, spellparam);
1039		901
1040	if (caster->contr->party == NULL)	902	if (!op->contr || !op->contr->party)
1041	{	903	{
1042	spell->remove ();	904	spell->remove ();
1043	return success;	905	return success;
1044	}	906	}
		907
1045	for_all_players (pl)	908	for_all_players (pl)
1046	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	909	if ((pl->ob->contr->party == op->contr->party)
1047	{	910	&& on_same_map (pl->ob, op)
		911	&& pl->ob != op)
1048	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	912	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1049	}	913
1050	spell->remove ();	914	spell->remove ();
1051	return success;	915	return success;
1052	}	916	}
1053		917
1054	/* This is where the main dispatch when someone casts a spell.	918	/* This is where the main dispatch when someone casts a spell.
…		…
1059	* same as op.	923	* same as op.
1060	* dir is the direction to cast in. Note in some cases, if the spell	924	* dir is the direction to cast in. Note in some cases, if the spell
1061	* is self only, dir really doesn't make a difference.	925	* is self only, dir really doesn't make a difference.
1062	* spell_ob is the spell object that is being cast. From that,	926	* spell_ob is the spell object that is being cast. From that,
1063	* we can determine what to do.	927	* we can determine what to do.
1064	* stringarg is any options that are being used. It can be NULL. Almost	928	* spellparam is any options that are being used. It can be NULL. Almost
1065	* certainly, only players will set it. It is basically used as optional	929	* certainly, only players will set it. It is basically used as optional
1066	* parameters to a spell (eg, item to create, information for marking runes,	930	* parameters to a spell (eg, item to create, information for marking runes,
1067	* etc.	931	* etc.
1068	* returns 1 on successful cast, or 0 on error. These values should really	932	* returns 1 on successful cast, or 0 on error. These values should really
1069	* be swapped, so that 0 is successful, and non zero is failure, with a code	933	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1076	*	940	*
1077	* if it is a player casting the spell (op->type == PLAYER, op == caster),	941	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1078	* this function will decrease the mana/grace appropriately. For other	942	* this function will decrease the mana/grace appropriately. For other
1079	* objects, the caller should do what it considers appropriate.	943	* objects, the caller should do what it considers appropriate.
1080	*/	944	*/
1081
1082	int	945	int
1083	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	946	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1084	{	947	{
1085	const char *godname;	948	const char *godname;
1086	int success = 0, mflags, cast_level = 0, old_shoottype;	949	int success = 0;
1087	object *skill = NULL;	950	object *skill = NULL;
1088
1089	old_shoottype = op->contr ? op->contr->shoottype : 0;
1090		951
1091	if (!spell_ob)	952	if (!spell_ob)
1092	{	953	{
1093	LOG (llevError, "cast_spell: null spell object passed\n");	954	LOG (llevError, "cast_spell: null spell object passed\n");
1094	return 0;	955	return 0;
…		…
1122	* need to have the right skill pointer passed, so we need to	983	* need to have the right skill pointer passed, so we need to
1123	* at least process that code.	984	* at least process that code.
1124	*/	985	*/
1125	if (op->type == PLAYER && op == caster)	986	if (op->type == PLAYER && op == caster)
1126	{	987	{
1127	cast_level = caster_level (caster, spell_ob);
1128	if (spell_ob->skill)	988	if (spell_ob->skill)
1129	{	989	{
1130	skill = find_skill_by_name (op, spell_ob->skill);	990	skill = find_skill_by_name (op, spell_ob->skill);
		991
1131	if (!skill)	992	if (!skill)
1132	{	993	{
1133	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	994	op->failmsg (format ("You need the skill %s to cast %s! "
		995	"H<You either need to learn the skill via a skill scroll "
		996	"or you need to wear a talisman or holy symbol.>",
		997	&spell_ob->skill, &spell_ob->name));
1134	return 0;	998	return 0;
1135	}	999	}
1136	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1000
		1001	const char *msg = "";
		1002
		1003	int caster_level = skill->level;
		1004
		1005	if (op->path_attuned & spell_ob->path_attuned)
1137	{	1006	{
1138	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1007	caster_level += min (caster_level, ATTUNE_REPELL);
		1008	msg = " (attuned)";
		1009	}
		1010
		1011	if (op->path_repelled & spell_ob->path_attuned)
		1012	{
		1013	caster_level -= ATTUNE_REPELL; // negative is ok
		1014	msg = " (repelled)";
		1015	}
		1016
		1017	if (spell_ob->level > caster_level)
		1018	{
		1019	op->failmsg (format ("You lack enough skill to cast that spell! "
		1020	"H<Your effective cast level is %d%s, but level %d is required.>",
		1021	caster_level, msg, spell_ob->level));
		1022	if (!op->is_wiz ())
1139	return 0;	1023	return 0;
1140	}	1024	}
1141	}	1025	}
		1026
1142	/* If the caster is the wiz, they don't ever fail, and don't have	1027	/* If the caster is the wiz, they don't ever fail, and don't have
1143	* to have sufficient grace/mana.	1028	* to have sufficient grace/mana.
1144	*/	1029	*/
1145	if (!QUERY_FLAG (op, FLAG_WIZ))	1030	if (!QUERY_FLAG (op, FLAG_WIZCAST))
1146	{	1031	{
1147	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1032	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1148	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1033	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1149	{	1034	{
1150	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1035	op->failmsg ("You don't have enough mana!");
1151	return 0;	1036	return 0;
1152	}	1037	}
		1038
1153	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1039	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1154	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1040	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1155	{	1041	{
1156	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1042	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1157	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1043	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1158	{
1159	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1044	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1160	}
1161	else	1045	else
1162	{	1046	{
1163	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1047	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1164	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1048	op->failmsg (format ("%s ignores your prayer.", godname));
1165	return 0;	1049	return 0;
1166	}	1050	}
1167	}	1051	}
1168		1052
1169	/* player/monster is trying to cast the spell. might fumble it */	1053	/* player/monster is trying to cast the spell. might fumble it */
1170	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1054	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1171	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1055	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1172	{	1056	{
1173	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1057	op->contr->play_sound (sound_find ("fumble_spell"));
1174	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1058	op->failmsg ("You fumble the prayer.");
1175	if (settings.casting_time == TRUE)	1059
1176	{
1177	op->casting_time = -1;
1178	}
1179	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1060	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1180	return 0;	1061	return 0;
1181	}	1062	}
1182	else if (spell_ob->stats.sp)	1063	else if (spell_ob->stats.sp)
1183	{	1064	{
1184	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1065	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1185		1066
1186	if (failure < 0)	1067	if (failure < 0)
1187	{	1068	{
1188	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1069	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1189	if (settings.spell_failure_effects == TRUE)	1070	if (settings.spell_failure_effects == TRUE)
1190	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1071	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1191	op->contr->shoottype = (rangetype) old_shoottype;	1072
1192	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1073	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1193	return 0;	1074	return 0;
1194	}	1075	}
1195	}	1076	}
1196	}	1077	}
1197	}	1078	}
1198		1079
1199	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1080	int mflags = op->ms ().flags ();
1200		1081
1201	/* See if we can cast a spell here. If the caster and op are	1082	/* See if we can cast a spell here. If the caster and op are
1202	* not alive, then this would mean that the mapmaker put the	1083	* not alive, then this would mean that the mapmaker put the
1203	* objects on the space - presume that they know what they are	1084	* objects on the space - presume that they know what they are
1204	* doing.	1085	* doing.
1205	*/	1086	*/
1206		1087
1207	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1088	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1208	{	1089	{
1209	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1090	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1210	return 0;	1091	return 0;
1211	}	1092	}
1212		1093
1213	if ((spell_ob->type == SPELL)	1094	if ((spell_ob->type == SPELL)
1214	&& (caster->type != POTION)	1095	&& (caster->type != POTION)
…		…
1219	{	1100	{
1220	if (op->type != PLAYER)	1101	if (op->type != PLAYER)
1221	return 0;	1102	return 0;
1222		1103
1223	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1104	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1224	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1105	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1225	else	1106	else if (object *item = op->contr->ranged_ob)
1226	switch (op->contr->shoottype)
1227	{	1107	{
1228	case range_magic:	1108	if (item->type == SPELL)
1229	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1109	op->failmsg ("Something blocks your spellcasting.");
1230	break;	1110	else if (item->type == SCROLL)
1231	case range_misc:	1111	op->failmsg ("Something blocks the magic of your scroll.");
1232	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1233	break;
1234	case range_golem:
1235	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1236	break;
1237	default:
1238	break;
1239	}
1240	return 0;
1241	}
1242
1243	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1244	{
1245	if (op->casting_time == -1)
1246	{ /* begin the casting */
1247	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1248	op->spell = spell_ob;
1249	/* put the stringarg into the object struct so that when the
1250	* spell is actually cast, it knows about the stringarg.
1251	* necessary for the invoke command spells.
1252	*/
1253	if (stringarg)
1254	{
1255	op->spellarg = strdup (stringarg);
1256	}
1257	else	1112	else
1258	op->spellarg = NULL;	1113	op->failmsg ("Something blocks the magic of your item.");
1259	return 0;
1260	}
1261	else if (op->casting_time != 0)
1262	{
1263	if (op->type == PLAYER)
1264	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1265	return 0;
1266	}	1114	}
1267	else	1115	else
1268	{ /* casting_time == 0 */	1116	op->failmsg ("Something blocks the spell!");
1269	op->casting_time = -1;	1117
1270	spell_ob = op->spell;	1118	return 0;
1271	stringarg = op->spellarg;
1272	}
1273	}
1274	else
1275	{	1119	}
		1120
1276	/* Take into account how long it takes to cast the spell.	1121	/* Take into account how long it takes to cast the spell.
1277	* if the player is casting it, then we use the time in	1122	* if the player is casting it, then we use the time in
1278	* the spell object. If it is a spell object, have it	1123	* the spell object. If it is a spell object, have it
1279	* take two ticks. Things that cast spells on the players	1124	* take two ticks. Things that cast spells on the players
1280	* behalf (eg, altars, and whatever else) shouldn't cost	1125	* behalf (eg, altars, and whatever else) shouldn't cost
1281	* the player any time.	1126	* the player any time.
1282	* Ignore casting time for firewalls	1127	* Ignore casting time for firewalls
		1128	*/
		1129	if (caster == op && caster->type != FIREWALL)
		1130	{
		1131	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1132	/* Other portions of the code may also decrement the speed of the player, so
		1133	* put a lower limit so that the player isn't stuck here too long
1283	*/	1134	*/
1284	if (caster == op && caster->type != FIREWALL)
1285	{
1286	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1287	/* Other portions of the code may also decrement the speed of the player, so
1288	* put a lower limit so that the player isn't stuck here too long
1289	*/
1290	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1135	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1291	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1136	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1292	}	1137	}
1293	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1138	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1294	{
1295	op->speed_left -= 2 * FABS (op->speed);	1139	op->speed_left -= 2 * op->speed;
1296	}
1297	}
1298		1140
1299	if (op->type == PLAYER && op == caster)	1141	if (op->type == PLAYER && op == caster)
1300	{	1142	{
1301	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1143	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1302	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1144	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1309	if (op != caster && !skill && caster->skill)	1151	if (op != caster && !skill && caster->skill)
1310	{	1152	{
1311	skill = find_skill_by_name (op, caster->skill);	1153	skill = find_skill_by_name (op, caster->skill);
1312	if (!skill)	1154	if (!skill)
1313	{	1155	{
1314	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1156	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1315	return 0;	1157	return 0;
1316	}	1158	}
		1159
1317	change_skill (op, skill, 0); /* needed for proper exp credit */	1160	op->change_skill (skill); /* needed for proper exp credit */
1318	}	1161	}
		1162
		1163	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1164	return RESULT_INT (0);
1319		1165
1320	switch (spell_ob->subtype)	1166	switch (spell_ob->subtype)
1321	{	1167	{
1322	/* The order of case statements is same as the order they show up	1168	/* The order of case statements is same as the order they show up
1323	* in in spells.h.	1169	* in spells.h.
1324	*/	1170	*/
1325	case SP_RAISE_DEAD:	1171	case SP_RAISE_DEAD:
1326	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1172	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1327	break;	1173	break;
1328		1174
1329	case SP_RUNE:	1175	case SP_RUNE:
1330	success = write_rune (op, caster, spell_ob, dir, stringarg);	1176	success = write_rune (op, caster, spell_ob, dir, spellparam);
1331	break;	1177	break;
1332		1178
1333	case SP_MAKE_MARK:	1179	case SP_MAKE_MARK:
1334	success = write_mark (op, spell_ob, stringarg);	1180	success = write_mark (op, spell_ob, spellparam);
1335	break;	1181	break;
1336		1182
1337	case SP_BOLT:	1183	case SP_BOLT:
1338	success = fire_bolt (op, caster, dir, spell_ob, skill);	1184	success = fire_bolt (op, caster, dir, spell_ob, skill);
1339	break;	1185	break;
…		…
1357	case SP_SMITE:	1203	case SP_SMITE:
1358	success = cast_smite_spell (op, caster, dir, spell_ob);	1204	success = cast_smite_spell (op, caster, dir, spell_ob);
1359	break;	1205	break;
1360		1206
1361	case SP_MAGIC_MISSILE:	1207	case SP_MAGIC_MISSILE:
1362	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1208	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1363	break;	1209	break;
1364		1210
1365	case SP_SUMMON_GOLEM:	1211	case SP_SUMMON_GOLEM:
1366	success = summon_golem (op, caster, dir, spell_ob);	1212	success = summon_golem (op, caster, dir, spell_ob);
1367	old_shoottype = range_golem;
1368	break;	1213	break;
1369		1214
1370	case SP_DIMENSION_DOOR:	1215	case SP_DIMENSION_DOOR:
1371	/* dimension door needs the actual caster, because that is what is	1216	/* dimension door needs the actual caster, because that is what is
1372	* moved.	1217	* moved.
1373	*/	1218	*/
1374	success = dimension_door (op, caster, spell_ob, dir);	1219	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1375	break;	1220	break;
1376		1221
1377	case SP_MAGIC_MAPPING:	1222	case SP_MAGIC_MAPPING:
1378	if (op->type == PLAYER)	1223	if (op->type == PLAYER)
1379	{	1224	{
…		…
1412	case SP_HEALING:	1257	case SP_HEALING:
1413	success = cast_heal (op, caster, spell_ob, dir);	1258	success = cast_heal (op, caster, spell_ob, dir);
1414	break;	1259	break;
1415		1260
1416	case SP_CREATE_FOOD:	1261	case SP_CREATE_FOOD:
1417	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1262	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1418	break;	1263	break;
1419		1264
1420	case SP_EARTH_TO_DUST:	1265	case SP_EARTH_TO_DUST:
1421	success = cast_earth_to_dust (op, caster, spell_ob);	1266	success = cast_earth_to_dust (op, caster, spell_ob);
1422	break;	1267	break;
…		…
1432	case SP_CURSE:	1277	case SP_CURSE:
1433	success = cast_curse (op, caster, spell_ob, dir);	1278	success = cast_curse (op, caster, spell_ob, dir);
1434	break;	1279	break;
1435		1280
1436	case SP_SUMMON_MONSTER:	1281	case SP_SUMMON_MONSTER:
1437	success = summon_object (op, caster, spell_ob, dir, stringarg);	1282	success = summon_object (op, caster, spell_ob, dir, spellparam);
1438	break;	1283	break;
1439		1284
1440	case SP_CHARGING:	1285	case SP_CHARGING:
1441	success = recharge (op, caster, spell_ob);	1286	success = recharge (op, caster, spell_ob);
1442	break;	1287	break;
…		…
1445	#ifdef NO_POLYMORPH	1290	#ifdef NO_POLYMORPH
1446	/* Not great, but at least provide feedback so if players do have	1291	/* Not great, but at least provide feedback so if players do have
1447	* polymorph (ie, find it as a preset item or left over from before	1292	* polymorph (ie, find it as a preset item or left over from before
1448	* it was disabled), they get some feedback.	1293	* it was disabled), they get some feedback.
1449	*/	1294	*/
1450	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1295	op->failmsg ("The spell fizzles!");
1451	success = 0;	1296	success = 0;
1452	#else	1297	#else
1453	success = cast_polymorph (op, caster, spell_ob, dir);	1298	success = cast_polymorph (op, caster, spell_ob, dir);
1454	#endif	1299	#endif
1455	break;	1300	break;
…		…
1475	break;	1320	break;
1476		1321
1477	case SP_MOVING_BALL:	1322	case SP_MOVING_BALL:
1478	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1323	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1479	{	1324	{
1480	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1325	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1481	success = 0;	1326	success = 0;
1482	}	1327	}
1483	else	1328	else
1484	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1329	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1485	break;	1330	break;
1486		1331
1487	case SP_SWARM:	1332	case SP_SWARM:
1488	success = fire_swarm (op, caster, spell_ob, dir);	1333	success = fire_swarm (op, caster, spell_ob, dir);
1489	break;	1334	break;
…		…
1496	/* in rune.c */	1341	/* in rune.c */
1497	success = dispel_rune (op, caster, spell_ob, skill, dir);	1342	success = dispel_rune (op, caster, spell_ob, skill, dir);
1498	break;	1343	break;
1499		1344
1500	case SP_CREATE_MISSILE:	1345	case SP_CREATE_MISSILE:
1501	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1346	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1502	break;	1347	break;
1503		1348
1504	case SP_CONSECRATE:	1349	case SP_CONSECRATE:
1505	success = cast_consecrate (op, caster, spell_ob);	1350	success = cast_consecrate (op, caster, spell_ob);
1506	break;	1351	break;
1507		1352
1508	case SP_ANIMATE_WEAPON:	1353	case SP_ANIMATE_WEAPON:
1509	success = animate_weapon (op, caster, spell_ob, dir);	1354	success = animate_weapon (op, caster, spell_ob, dir);
1510	old_shoottype = range_golem;
1511	break;	1355	break;
1512		1356
1513	case SP_LIGHT:	1357	case SP_LIGHT:
1514	success = cast_light (op, caster, spell_ob, dir);	1358	success = cast_light (op, caster, spell_ob, dir);
1515	break;	1359	break;
…		…
1528		1372
1529	case SP_AURA:	1373	case SP_AURA:
1530	success = create_aura (op, caster, spell_ob);	1374	success = create_aura (op, caster, spell_ob);
1531	break;	1375	break;
1532		1376
1533	case SP_TOWN_PORTAL:
1534	success = cast_create_town_portal (op, caster, spell_ob, dir);
1535	break;
1536
1537	case SP_PARTY_SPELL:	1377	case SP_PARTY_SPELL:
1538	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1378	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1539	break;	1379	break;
1540		1380
1541	default:	1381	default:
1542	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1543	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1382	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1544	}
1545
1546	/* FIXME - we need some better sound suppport */
1547	// yes, for example, augment map info with the spell effect
1548	// so clients can calculate the sounds themselves
1549	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1550
1551	/* free the spell arg */
1552	if (settings.casting_time == TRUE && stringarg)
1553	{	1383	}
1554	free (stringarg);	1384
1555	stringarg = NULL;	1385	op->play_sound (
1556	}	1386	success
1557	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1387	? spell_ob->sound
1558	* to something like use_magic_item, but you really want to be able to fire	1388	? spell_ob->sound
1559	* it again.	1389	: sound_find ("spell_success")
1560	*/	1390	: sound_find ("fumble_spell")
1561	if (op->contr)	1391	);
1562	op->contr->shoottype = (rangetype) old_shoottype;
1563		1392
1564	return success;	1393	return success;
1565	}	1394	}
1566		1395
1567
1568	/* This is called from time.c/process_object(). That function	1396	/* This is called from time.c/process_object(). That function
1569	* calls this for any SPELL_EFFECT type objects. This function	1397	* calls this for any SPELL_EFFECT type objects. This function
1570	* then dispatches them to the appropriate specific routines.	1398	* then dispatches them to the appropriate specific routines.
1571	*/	1399	*/
1572	void	1400	void
1573	move_spell_effect (object *op)	1401	move_spell_effect (object *op)
1574	{	1402	{
…		…
1614	move_aura (op);	1442	move_aura (op);
1615	break;	1443	break;
1616	}	1444	}
1617	}	1445	}
1618		1446
1619	/* this checks to see if something special should happen if
1620	* something runs into the object.
1621	*/
1622	void
1623	check_spell_effect (object *op)
1624	{
1625	switch (op->subtype)
1626	{
1627	case SP_BOLT:
1628	move_bolt (op);
1629	return;
1630
1631	case SP_BULLET:
1632	check_bullet (op);
1633	return;
1634	}
1635	}
1636
1637	/* This is called by move_apply. Basically, if someone	1447	/* This is called by move_apply. Basically, if someone
1638	* moves onto a spell effect and the walk_on or fly_on flags	1448	* moves onto a spell effect and the walk_on or fly_on flags
1639	* are set, this is called. This should only be called for	1449	* are set, this is called. This should only be called for
1640	* objects of the appropraite type.	1450	* objects of the appropriate type.
1641	*/	1451	*/
1642	void	1452	void
1643	apply_spell_effect (object *spell, object *victim)	1453	apply_spell_effect (object *spell, object *victim)
1644	{	1454	{
1645	switch (spell->subtype)	1455	switch (spell->subtype)
1646	{	1456	{
1647	case SP_CONE:	1457	case SP_CONE:
1648	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1458	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->has_active_speed () && spell->attacktype)
1649	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1459	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1650	break;	1460	break;
1651		1461
1652	case SP_MAGIC_MISSILE:	1462	case SP_MAGIC_MISSILE:
1653	if (QUERY_FLAG (victim, FLAG_ALIVE))	1463	if (QUERY_FLAG (victim, FLAG_ALIVE))
1654	{	1464	{
1655	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1465	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1656
1657	if (!spell->destroyed ())
1658	spell->destroy ();	1466	spell->destroy ();
1659	}	1467	}
1660	break;	1468	break;
1661		1469
1662	case SP_MOVING_BALL:	1470	case SP_MOVING_BALL:
1663	if (QUERY_FLAG (victim, FLAG_ALIVE))	1471	if (QUERY_FLAG (victim, FLAG_ALIVE))
1664	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1472	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1665	else if (victim->material || victim->materialname)	1473	else if (victim->material != MATERIAL_NULL)
1666	save_throw_object (victim, spell->attacktype, spell);	1474	save_throw_object (victim, spell->attacktype, spell);
		1475
1667	break;	1476	break;
1668	}	1477	}
1669	}	1478	}
		1479
		1480	/**
		1481	* This function will let a fireball explode at the position of
		1482	* the victim with a specific maximum level.
		1483	*/
		1484	void
		1485	create_exploding_ball_at (object *victim, int level)
		1486	{
		1487	object *ball = get_archetype (EXPLODING_FIREBALL);
		1488	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1489	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1490	ball->insert_at (victim);
		1491	}

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