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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.30 by root, Sun Dec 31 19:02:24 2006 UTC vs.
Revision 1.102 by root, Fri Nov 6 13:31:47 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 (arch_to_object (spob->other_arch), 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 the 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
179	new_level = spell->level
180	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
181	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
182
183	return max (1, new_level);
184	}	99	}
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	{	154	{
…		…
269	else	175	else
270	{	176	{
271	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	177	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
272	if (spell->stats.sp && !sp)	178	if (spell->stats.sp && !sp)
273	sp = 1;	179	sp = 1;
		180
274	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	181	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
275	if (spell->stats.grace && !grace)	182	if (spell->stats.grace && !grace)
276	grace = 1;	183	grace = 1;
277	}	184	}
		185
278	if (flags == SPELL_HIGHEST)	186	if (flags == SPELL_HIGHEST)
279	return MAX (sp, grace);	187	return MAX (sp, grace);
280	else if (flags == SPELL_GRACE)	188	else if (flags == SPELL_GRACE)
281	return grace;	189	return grace;
282	else if (flags == SPELL_MANA)	190	else if (flags == SPELL_MANA)
…		…
286	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	194	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
287	return 0;	195	return 0;
288	}	196	}
289	}	197	}
290		198
		199	/*
		200	* Return the effective casting level of the spell.
		201	* To make spells independent of their starting level, this function
		202	* scales the range spellstartlevel .. 100 into the range 1..100
		203	*/
		204	static int
		205	SP_casting_level (object *caster, object *spell)
		206	{
		207	return casting_level (caster, spell);
		208	}
291		209
292	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	210	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
293	* spob is the spell we are adjusting.	211	* spob is the spell we are adjusting.
294	*/	212	*/
295	int	213	int
296	SP_level_dam_adjust (object *caster, object *spob)	214	SP_level_dam_adjust (object *caster, object *spob)
297	{	215	{
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)	216	if (!spob->dam_modifier)
304	adj /= spob->dam_modifier;
305	else
306	adj = 0;
307	return adj;	217	return 0;
		218
		219	return SP_casting_level (caster, spob) / spob->dam_modifier;
308	}	220	}
309		221
310	/* Adjust the strength of the spell based on level.	222	/* Adjust the strength of the spell based on level.
311	* This is basically the same as SP_level_dam_adjust above,	223	* This is basically the same as SP_level_dam_adjust above,
312	* but instead looks at the level_modifier value.	224	* but instead looks at the level_modifier value.
313	*/	225	*/
314	int	226	int
315	SP_level_duration_adjust (object *caster, object *spob)	227	SP_level_duration_adjust (object *caster, object *spob)
316	{	228	{
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)	229	if (!spob->duration_modifier)
323	adj /= spob->duration_modifier;
324	else
325	adj = 0;
326
327	return adj;	230	return 0;
		231
		232	return SP_casting_level (caster, spob) / spob->duration_modifier;
328	}	233	}
329		234
330	/* Adjust the strength of the spell based on level.	235	/* Adjust the strength of the spell based on level.
331	* This is basically the same as SP_level_dam_adjust above,	236	* This is basically the same as SP_level_dam_adjust above,
332	* but instead looks at the level_modifier value.	237	* but instead looks at the level_modifier value.
333	*/	238	*/
334	int	239	int
335	SP_level_range_adjust (object *caster, object *spob)	240	SP_level_range_adjust (object *caster, object *spob)
336	{	241	{
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)	242	if (!spob->range_modifier)
343	adj /= spob->range_modifier;
344	else
345	adj = 0;
346
347	return adj;	243	return 0;
		244
		245	return SP_casting_level (caster, spob) / spob->range_modifier;
348	}	246	}
349		247
350	/* Checks to see if player knows the spell. If the name is the same	248	/* Checks to see if player knows the spell. If the name is the same
351	* as an existing spell, we presume they know it.	249	* as an existing spell, we presume they know it.
352	* returns 1 if they know the spell, 0 if they don't.	250	* returns 1 if they know the spell, 0 if they don't.
353	*/	251	*/
354	object *	252	object *
355	check_spell_known (object *op, const char *name)	253	check_spell_known (object *op, shstr_cmp name)
356	{	254	{
357	object *spop;	255	object *spop;
358		256
359	for (spop = op->inv; spop; spop = spop->below)	257	for (spop = op->inv; spop; spop = spop->below)
360	if (spop->type == SPELL && !strcmp (spop->name, name))	258	if (spop->type == SPELL && spop->name == name)
361	return spop;	259	return spop;
362		260
363	return NULL;	261	return 0;
364	}	262	}
365
366		263
367	/*	264	/*
368	* Look at object 'op' and see if they know the spell	265	* Look at object 'op' and see if they know the spell
369	* spname. This is pretty close to check_spell_known	266	* spname. This is pretty close to check_spell_known
370	* above, but it uses a looser matching mechanism.	267	* above, but it uses a looser matching mechanism.
371	* returns the matching spell object, or NULL.	268	* returns the matching spell object, or NULL.
372	* If we match multiple spells but don't get an	269	* If we match multiple spells but don't get an
373	* exact match, we also return NULL.	270	* exact match, we also return NULL.
374	*/	271	*/
375
376	object *	272	object *
377	lookup_spell_by_name (object *op, const char *spname)	273	lookup_spell_by_name (object *op, const char *spname)
378	{	274	{
379	object *spob1 = NULL, *spob2 = NULL, *spob;	275	object *spob1 = 0, *spob2 = 0;
380	int nummatch = 0;	276	int nummatch = 0;
381		277
382	if (spname == NULL)	278	if (!spname)
383	return NULL;	279	return 0;
384		280
385	/* Try to find the spell. We store the results in spob1	281	/* Try to find the spell. We store the results in spob1
386	* and spob2 - spob1 is only taking the length of	282	* and spob2 - spob1 is only taking the length of
387	* the past spname, spob2 uses the length of the spell name.	283	* the past spname, spob2 uses the length of the spell name.
388	*/	284	*/
389	for (spob = op->inv; spob; spob = spob->below)	285	for (object *spob = op->inv; spob; spob = spob->below)
390	{	286	{
391	if (spob->type == SPELL)	287	if (spob->type == SPELL)
392	{	288	{
		289	// TODO: WTF?
393	if (!strncmp (spob->name, spname, strlen (spname)))	290	if (!strncmp (spob->name, spname, strlen (spname)))
394	{	291	{
395	nummatch++;	292	nummatch++;
396	spob1 = spob;	293	spob1 = spob;
397	}	294	}
…		…
402	* fall into this category). It shouldn't be hard to	299	* fall into this category). It shouldn't be hard to
403	* make sure spell names don't overlap in that fashion.	300	* make sure spell names don't overlap in that fashion.
404	*/	301	*/
405	if (spob2)	302	if (spob2)
406	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);	303	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
		304
407	spob2 = spob;	305	spob2 = spob;
408	}	306	}
409	}	307	}
410	}	308	}
411	/* if we have best match, return it. Otherwise, if we have one match	309	/* if we have best match, return it. Otherwise, if we have one match
412	* on the loser match, return that, otehrwise null	310	* on the loser match, return that, otehrwise null
413	*/	311	*/
414	if (spob2)	312	if (spob2)
415	return spob2;	313	return spob2;
		314
416	if (spob1 && nummatch == 1)	315	if (spob1 && nummatch == 1)
417	return spob1;	316	return spob1;
		317
418	return NULL;	318	return NULL;
419	}	319	}
420		320
421	/* reflwall - decides weither the (spell-)object sp_op will	321	/* reflwall - decides weither the (spell-)object sp_op will
422	* be reflected from the given mapsquare. Returns 1 if true.	322	* be reflected from the given mapsquare. Returns 1 if true.
…		…
426	* eg, updated for tiled maps.	326	* eg, updated for tiled maps.
427	*/	327	*/
428	int	328	int
429	reflwall (maptile *m, int x, int y, object *sp_op)	329	reflwall (maptile *m, int x, int y, object *sp_op)
430	{	330	{
431	object *op;
432
433	if (OUT_OF_REAL_MAP (m, x, y))	331	if (OUT_OF_REAL_MAP (m, x, y))
434	return 0;	332	return 0;
		333
435	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	334	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
436	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	335	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
437	&& (!QUERY_FLAG (op, FLAG_ALIVE)	336	&& (!QUERY_FLAG (op, FLAG_ALIVE)
438	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	337	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
439	return 1;	338	return 1;
440		339
…		…
461	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	360	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
462	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	361	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
463	dir = 0;	362	dir = 0;
464	}	363	}
465		364
		365	SET_FLAG (new_op, FLAG_IDENTIFIED);
466	op->map->insert (new_op,	366	op->map->insert (new_op,
467	op->x + freearr_x[dir], op->y + freearr_y[dir],	367	op->x + freearr_x[dir], op->y + freearr_y[dir],
468	op,	368	op,
469	dir ? 0 : INS_BELOW_ORIGINATOR);	369	dir ? 0 : INS_BELOW_ORIGINATOR);
470		370
471	return dir;	371	return dir;
		372	}
		373
		374	static bool
		375	mergable_owner (object *o1, object *o2)
		376	{
		377	if (o1 == o2)
		378	return 1;
		379
		380	if (!o1 || !o2)
		381	return 0;
		382
		383	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		384	return 0;
		385
		386	if (o1->is_player () || o2->is_player ())
		387	return 0;
		388
		389	return 1;
472	}	390	}
473		391
474	/* Returns true if it is ok to put spell *op on the space/may provided.	392	/* Returns true if it is ok to put spell *op on the space/may provided.
475	* immune_stop is basically the attacktype of the spell (why	393	* immune_stop is basically the attacktype of the spell (why
476	* passed as a different value, not sure of). If immune_stop	394	* passed as a different value, not sure of). If immune_stop
477	* has the AT_MAGIC bit set, and there is a counterwall	395	* has the AT_MAGIC bit set, and there is a counterwall
478	* on the space, the object doesn't get placed. if immune stop	396	* on the space, the object doesn't get placed. if immune stop
479	* does not have AT_MAGIC, then counterwalls do not effect the spell.	397	* does not have AT_MAGIC, then counterwalls do not effect the spell.
480	*	398	*/
481	*/
482
483	int	399	int
484	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)	400	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
485	{	401	{
486	object *tmp;	402	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;	403	return 0;
495		404
496	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	405	mapspace &ms = m->at (x, y);
		406	ms.update ();
		407
		408	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
497	return 0;	409	return 0;
498		410
499	for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above)	411	int max_effects = 5; // max. number of similar spells per mapspace
		412
		413	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
500	{	414	{
501	/* If there is a counterspell on the space, and this	415	/* If there is a counterspell on the space, and this
502	* object is using magic, don't progress. I believe we could	416	* 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	417	* 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	418	* 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	419	* 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	420	* 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	421	* removed.) On the other hand, it may be more dramatic for the
508	* spell to actually hit the counterwall and be sucked up.	422	* spell to actually hit the counterwall and be sucked up.
509	*/	423	*/
510	if ((tmp->attacktype & AT_COUNTERSPELL) &&	424	if ((tmp->attacktype & AT_COUNTERSPELL)
511	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	425	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
512	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	426	&& (tmp->type != PLAYER)
		427	&& (tmp->type != WEAPON)
		428	&& (tmp->type != BOW)
		429	&& (tmp->type != ARROW)
		430	&& (tmp->type != GOLEM)
		431	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		432	// we special case floor here because there
		433	// are sometimes spell effect floors
		434	// which are used to inflict damage
		435	// (and those shouldn't go away from
		436	// sanctuary) see also: permanent lava
		437	&& (immune_stop & AT_MAGIC))
513	return 0;	438	return 0;
514		439
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	440	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	{	441	{
534	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	442	if (tmp->subtype == op->subtype
535	tmp->range = MAX (tmp->range, op->range);	443	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
536	tmp->duration = MAX (tmp->duration, op->duration);	444	{
		445	/* This is to prevent 'out of control' spells. Basically, this
		446	* limits one spell effect per space per spell. This is definately
		447	* needed for performance reasons, and just for playability I believe.
		448	* there are no such things as multispaced spells right now, so
		449	* we don't need to worry about the head.
		450	*/
		451	if (tmp->stats.maxhp == op->stats.maxhp)
		452	return 0;
		453
		454	/*
		455	* Combine similar spell effects into one spell effect. Needed for
		456	* performance reasons with meteor swarm and the like, but also for
		457	* playability reasons.
		458	*/
		459	if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		460	if (mergable_owner (tmp, op))
		461	{
		462	// if same owner, then combine, but reduce advantage of multiple spells
		463	max_it (tmp->stats.dam, op->stats.dam);
		464	max_it (tmp->range , op->range);
		465	max_it (tmp->duration , op->duration);
		466	return 0;
		467	}
		468	}
		469
		470	// if there are too many spell effects on this space,
		471	// then don't allow more of them, for performance reasons.
		472	if (tmp->type == SPELL_EFFECT
		473	&& !--max_effects)
537	return 0;	474	return 0;
538	}	475	}
539		476
540	/* Perhaps we should also put checks in for no magic and unholy	477	/* Perhaps we should also put checks in for no magic and unholy
541	* ground to prevent it from moving along?	478	* ground to prevent it from moving along?
542	*/	479	*/
543	}	480	}
		481
544	/* If it passes the above tests, it must be OK */	482	/* If it passes the above tests, it must be OK */
545	return 1;	483	return 1;
546	}	484	}
547		485
548	/* fire_arch_from_position: fires an archetype.	486	/* fire_arch_from_position: fires an archetype.
…		…
553	* dir: direction to fire in.	491	* dir: direction to fire in.
554	* spell: spell that is being fired. It uses other_arch for the archetype	492	* spell: spell that is being fired. It uses other_arch for the archetype
555	* to fire.	493	* to fire.
556	* returns 0 on failure, 1 on success.	494	* returns 0 on failure, 1 on success.
557	*/	495	*/
558
559	int	496	int
560	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)	497	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
561	{	498	{
562	object *tmp;
563	int mflags;
564	maptile *m;
565
566	if (spell->other_arch == NULL)	499	if (!spell->other_arch)
567	return 0;	500	return 0;
568		501
569	m = op->map;	502	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		503
576	tmp = arch_to_object (spell->other_arch);	504	if (!tmp)
577
578	if (tmp == NULL)
579	return 0;	505	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		506
588	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	507	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
589	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	508	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
590	/* code in time.c uses food for some things, duration for others */	509	/* code in time.c uses food for some things, duration for others */
591	tmp->stats.food = tmp->duration;	510	tmp->stats.food = tmp->duration;
592	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	511	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
593	tmp->attacktype = spell->attacktype;	512	tmp->attacktype = spell->attacktype;
594	tmp->x = x;
595	tmp->y = y;
596	tmp->direction = dir;	513	tmp->direction = dir;
597	if (op->owner != NULL)
598	tmp->set_owner (op);	514	tmp->set_owner (op);
599	else
600	tmp->set_owner (op);
601	tmp->level = caster_level (caster, spell);	515	tmp->level = casting_level (caster, spell);
602	set_spell_skill (op, caster, spell, tmp);	516	set_spell_skill (op, caster, spell, tmp);
603		517
604	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	518	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
605	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	519	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
606	{
607	if (!tailor_god_spell (tmp, op))	520	if (!tailor_god_spell (tmp, op))
608	return 0;	521	return 0;
609	}	522
610	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	523	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
611	SET_ANIMATION (tmp, dir);	524	SET_ANIMATION (tmp, dir);
612		525
613	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	526	if ((tmp = op->map->insert (tmp, x, y, op)))
614	move_spell_effect (tmp);	527	move_spell_effect (tmp);
615		528
616	return 1;	529	return 1;
617	}	530	}
618		531
…		…
623	****************************************************************************/	536	****************************************************************************/
624	void	537	void
625	regenerate_rod (object *rod)	538	regenerate_rod (object *rod)
626	{	539	{
627	if (rod->stats.hp < rod->stats.maxhp)	540	if (rod->stats.hp < rod->stats.maxhp)
628	{	541	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
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	}	542	}
635
636		543
637	void	544	void
638	drain_rod_charge (object *rod)	545	drain_rod_charge (object *rod)
639	{	546	{
640	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	547	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
641	}	548	}
642
643
644
645		549
646	/* this function is commonly used to find a friendly target for	550	/* this function is commonly used to find a friendly target for
647	* spells such as heal or protection or armour	551	* spells such as heal or protection or armour
648	* op is what is looking for the target (which can be a player),	552	* op is what is looking for the target (which can be a player),
649	* dir is the direction we are looking in. Return object found, or	553	* dir is the direction we are looking in. Return object found, or
650	* NULL if no good object.	554	* NULL if no good object.
651	*/	555	*/
652
653	object *	556	object *
654	find_target_for_friendly_spell (object *op, int dir)	557	find_target_for_friendly_spell (object *op, int dir)
655	{	558	{
656	object *tmp;	559	object *tmp;
657	maptile *m;
658	sint16 x, y;
659	int mflags;
660		560
661	/* I don't really get this block - if op isn't a player or rune,	561	/* I don't really get this block - if op isn't a player or rune,
662	* we then make the owner of this object the target.	562	* we then make the owner of this object the target.
663	* The owner could very well be no where near op.	563	* The owner could very well be no where near op.
664	*/	564	*/
…		…
671	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	571	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))
672	tmp = op;	572	tmp = op;
673	}	573	}
674	else	574	else
675	{	575	{
676	m = op->map;	576	maptile *m = op->map;
677	x = op->x + freearr_x[dir];	577	sint16 x = op->x + freearr_x[dir];
678	y = op->y + freearr_y[dir];	578	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	579
		580	tmp = xy_normalise (m, x, y)
685	tmp = m->at (x, y).player ();	581	? m->at (x, y).player ()
		582	: 0;
686	}	583	}
687		584
688	/* didn't find a player there, look in current square for a player */	585	/* didn't find a player there, look in current square for a player */
689	if (!tmp)	586	if (!tmp)
690	tmp = op->ms ().player ();	587	tmp = op->ms ().player ();
691		588
692	return tmp;	589	return tmp;
693	}	590	}
694
695
696		591
697	/* raytrace:	592	/* raytrace:
698	* spell_find_dir(map, x, y, exclude) will search first the center square	593	* spell_find_dir(map, x, y, exclude) will search first the center square
699	* then some close squares in the given map at the given coordinates for	594	* then some close squares in the given map at the given coordinates for
700	* live objects.	595	* live objects.
…		…
703	* monsters/generators only. If not, the spell will hunt players only.	598	* 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	599	* It returns the direction toward the first/closest live object if it finds
705	* any, otherwise -1.	600	* any, otherwise -1.
706	* note that exclude can be NULL, in which case all bets are off.	601	* note that exclude can be NULL, in which case all bets are off.
707	*/	602	*/
708
709	int	603	int
710	spell_find_dir (maptile *m, int x, int y, object *exclude)	604	spell_find_dir (maptile *m, int x, int y, object *exclude)
711	{	605	{
712	int i, max = SIZEOFFREE;	606	int i, max = SIZEOFFREE;
713	sint16 nx, ny;	607	sint16 nx, ny;
…		…
740	return freedir[i];	634	return freedir[i];
741	}	635	}
742	return -1; /* flag for "keep going the way you were" */	636	return -1; /* flag for "keep going the way you were" */
743	}	637	}
744		638
745
746
747	/* put_a_monster: puts a monster named monstername near by	639	/* put_a_monster: puts a monster named monstername near by
748	* op. This creates the treasures for the monsters, and	640	* op. This creates the treasures for the monsters, and
749	* also deals with multipart monsters properly.	641	* also deals with multipart monsters properly.
750	*/	642	*/
751		643	static void
752	void
753	put_a_monster (object *op, const char *monstername)	644	put_a_monster (object *op, const char *monstername)
754	{	645	{
755	object *tmp, *head = NULL, *prev = NULL;	646	object *tmp, *head = NULL, *prev = NULL;
756	archetype *at;	647	archetype *at;
757	int dir;	648	int dir;
…		…
763		654
764	/* find a free square nearby	655	/* find a free square nearby
765	* first we check the closest square for free squares	656	* first we check the closest square for free squares
766	*/	657	*/
767		658
768	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	659	dir = find_first_free_spot (at, op->map, op->x, op->y);
769	if (dir != -1)	660	if (dir != -1)
770	{	661	{
771	/* This is basically grabbed for generate monster. Fixed 971225 to	662	/* This is basically grabbed for generate monster. Fixed 971225 to
772	* insert multipart monsters properly	663	* insert multipart monsters properly
773	*/	664	*/
		665	//TODO: use expand_tail + ...
774	while (at != NULL)	666	while (at != NULL)
775	{	667	{
776	tmp = arch_to_object (at);	668	tmp = arch_to_object (at);
777	tmp->x = op->x + freearr_x[dir] + at->clone.x;	669	tmp->x = op->x + freearr_x[dir] + at->x;
778	tmp->y = op->y + freearr_y[dir] + at->clone.y;	670	tmp->y = op->y + freearr_y[dir] + at->y;
779	tmp->map = op->map;	671	tmp->map = op->map;
780	if (head)	672	if (head)
781	{	673	{
782	tmp->head = head;	674	tmp->head = head;
783	prev->more = tmp;	675	prev->more = tmp;
784	}	676	}
		677
785	if (!head)	678	if (!head)
786	head = tmp;	679	head = tmp;
		680
787	prev = tmp;	681	prev = tmp;
		682
788	at = at->more;	683	at = (archetype *)at->more;
789	}	684	}
790		685
791	if (head->randomitems)	686	if (head->randomitems)
792	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	687	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
793		688
794	insert_ob_in_map (head, op->map, op, 0);	689	insert_ob_in_map (head, op->map, op, 0);
795		690
796	/* thought it'd be cool to insert a burnout, too. */	691	/* 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);	692	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
798	}	693	}
799	}	694	}
800		695
801	/* peterm: function which summons hostile monsters and	696	/* peterm: function which summons hostile monsters and
802	* places them in nearby squares.	697	* places them in nearby squares.
…		…
809	* Note that this is not used by any spells (summon evil monsters	704	* Note that this is not used by any spells (summon evil monsters
810	* use to call this, but best I can tell, that spell/ability was	705	* use to call this, but best I can tell, that spell/ability was
811	* never used. This is however used by various failures on the	706	* never used. This is however used by various failures on the
812	* players part (alchemy, reincarnation, etc)	707	* players part (alchemy, reincarnation, etc)
813	*/	708	*/
814
815	int	709	int
816	summon_hostile_monsters (object *op, int n, const char *monstername)	710	summon_hostile_monsters (object *op, int n, const char *monstername)
817	{	711	{
818	int i;	712	int i;
819		713
…		…
829	{	723	{
830	int attacktype;	724	int attacktype;
831	int face;	725	int face;
832	} ATTACKS[22] =	726	} ATTACKS[22] =
833	{	727	{
834	{
835	AT_PHYSICAL, 0},	728	{ AT_PHYSICAL, 0},
836	{
837	AT_PHYSICAL, 0}, /*face = explosion */	729	{ AT_PHYSICAL, 0}, /*face = explosion */
838	{
839	AT_PHYSICAL, 0},	730	{ AT_PHYSICAL, 0},
840	{
841	AT_MAGIC, 1},	731	{ AT_MAGIC, 1},
842	{
843	AT_MAGIC, 1}, /* face = last-burnout */	732	{ AT_MAGIC, 1}, /* face = last-burnout */
844	{
845	AT_MAGIC, 1},	733	{ AT_MAGIC, 1},
846	{
847	AT_FIRE, 2},	734	{ AT_FIRE, 2},
848	{
849	AT_FIRE, 2}, /* face = fire.... */	735	{ AT_FIRE, 2}, /* face = fire.... */
850	{
851	AT_FIRE, 2},	736	{ AT_FIRE, 2},
852	{
853	AT_ELECTRICITY, 3},	737	{ AT_ELECTRICITY, 3},
854	{
855	AT_ELECTRICITY, 3}, /* ball_lightning */	738	{ AT_ELECTRICITY, 3}, /* ball_lightning */
856	{
857	AT_ELECTRICITY, 3},	739	{ AT_ELECTRICITY, 3},
858	{
859	AT_COLD, 4},	740	{ AT_COLD, 4},
860	{
861	AT_COLD, 4}, /* face=icestorm */	741	{ AT_COLD, 4}, /* face=icestorm */
862	{
863	AT_COLD, 4},	742	{ AT_COLD, 4},
864	{
865	AT_CONFUSION, 5},	743	{ AT_CONFUSION, 5},
866	{
867	AT_POISON, 7},	744	{ AT_POISON, 7},
868	{
869	AT_POISON, 7}, /* face = acid sphere. generator */	745	{ AT_POISON, 7}, /* face = acid sphere. generator */
870	{
871	AT_POISON, 7}, /* poisoncloud face */	746	{ AT_POISON, 7}, /* poisoncloud face */
872	{
873	AT_SLOW, 8},	747	{ AT_SLOW, 8},
874	{
875	AT_PARALYZE, 9},	748	{ AT_PARALYZE, 9},
876	{
877	AT_FEAR, 10}};	749	{ AT_FEAR, 10},
878		750	};
879
880		751
881	/* shuffle_attack: peterm	752	/* shuffle_attack: peterm
882	* This routine shuffles the attack of op to one of the	753	* This routine shuffles the attack of op to one of the
883	* ones in the list. It does this at random. It also	754	* ones in the list. It does this at random. It also
884	* chooses a face appropriate to the attack that is	755	* chooses a face appropriate to the attack that is
…		…
907	{	778	{
908	SET_ANIMATION (op, ATTACKS[i].face);	779	SET_ANIMATION (op, ATTACKS[i].face);
909	}	780	}
910	}	781	}
911		782
912
913	/* prayer_failure: This is called when a player fails	783	/* prayer_failure: This is called when a player fails
914	* at casting a prayer.	784	* at casting a prayer.
915	* op is the player.	785	* op is the player.
916	* failure is basically how much grace they had.	786	* failure is basically how much grace they had.
917	* power is how much grace the spell would normally take to cast.	787	* power is how much grace the spell would normally take to cast.
918	*/	788	*/
919		789	static void
920	void
921	prayer_failure (object *op, int failure, int power)	790	prayer_failure (object *op, int failure, int power)
922	{	791	{
923	const char *godname;	792	const char *godname;
924	object *tmp;	793	object *tmp;
925		794
…		…
1018	tmp->insert_at (op);	887	tmp->insert_at (op);
1019	}	888	}
1020	}	889	}
1021	}	890	}
1022		891
1023	int	892	static int
1024	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	893	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1025	{	894	{
1026	int success;
1027	player *pl;
1028	object *spell;
1029
1030	if (!spell_ob->other_arch)	895	if (!spell_ob->other_arch)
1031	{	896	{
1032	LOG (llevError, "cast_party_spell: empty other arch\n");	897	LOG (llevError, "cast_party_spell: empty other arch\n");
1033	return 0;	898	return 0;
1034	}	899	}
		900
1035	spell = arch_to_object (spell_ob->other_arch);	901	object *spell = arch_to_object (spell_ob->other_arch);
1036		902
1037	/* Always cast spell on caster */	903	/* Always cast spell on caster */
1038	success = cast_spell (op, caster, dir, spell, stringarg);	904	int success = cast_spell (op, caster, dir, spell, spellparam);
1039		905
1040	if (caster->contr->party == NULL)	906	if (!op->contr || !op->contr->party)
1041	{	907	{
1042	spell->remove ();	908	spell->remove ();
1043	return success;	909	return success;
1044	}	910	}
		911
1045	for_all_players (pl)	912	for_all_players (pl)
1046	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	913	if ((pl->ob->contr->party == op->contr->party)
1047	{	914	&& on_same_map (pl->ob, op)
		915	&& pl->ob != op)
1048	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	916	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1049	}	917
1050	spell->remove ();	918	spell->remove ();
1051	return success;	919	return success;
1052	}	920	}
1053		921
1054	/* This is where the main dispatch when someone casts a spell.	922	/* This is where the main dispatch when someone casts a spell.
…		…
1059	* same as op.	927	* same as op.
1060	* dir is the direction to cast in. Note in some cases, if the spell	928	* dir is the direction to cast in. Note in some cases, if the spell
1061	* is self only, dir really doesn't make a difference.	929	* is self only, dir really doesn't make a difference.
1062	* spell_ob is the spell object that is being cast. From that,	930	* spell_ob is the spell object that is being cast. From that,
1063	* we can determine what to do.	931	* we can determine what to do.
1064	* stringarg is any options that are being used. It can be NULL. Almost	932	* spellparam is any options that are being used. It can be NULL. Almost
1065	* certainly, only players will set it. It is basically used as optional	933	* certainly, only players will set it. It is basically used as optional
1066	* parameters to a spell (eg, item to create, information for marking runes,	934	* parameters to a spell (eg, item to create, information for marking runes,
1067	* etc.	935	* etc.
1068	* returns 1 on successful cast, or 0 on error. These values should really	936	* returns 1 on successful cast, or 0 on error. These values should really
1069	* be swapped, so that 0 is successful, and non zero is failure, with a code	937	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1076	*	944	*
1077	* if it is a player casting the spell (op->type == PLAYER, op == caster),	945	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1078	* this function will decrease the mana/grace appropriately. For other	946	* this function will decrease the mana/grace appropriately. For other
1079	* objects, the caller should do what it considers appropriate.	947	* objects, the caller should do what it considers appropriate.
1080	*/	948	*/
1081
1082	int	949	int
1083	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	950	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1084	{	951	{
1085	const char *godname;	952	const char *godname;
1086	int success = 0, mflags, cast_level = 0, old_shoottype;	953	int success = 0;
1087	object *skill = NULL;	954	object *skill = NULL;
1088
1089	old_shoottype = op->contr ? op->contr->shoottype : 0;
1090		955
1091	if (!spell_ob)	956	if (!spell_ob)
1092	{	957	{
1093	LOG (llevError, "cast_spell: null spell object passed\n");	958	LOG (llevError, "cast_spell: null spell object passed\n");
1094	return 0;	959	return 0;
…		…
1122	* need to have the right skill pointer passed, so we need to	987	* need to have the right skill pointer passed, so we need to
1123	* at least process that code.	988	* at least process that code.
1124	*/	989	*/
1125	if (op->type == PLAYER && op == caster)	990	if (op->type == PLAYER && op == caster)
1126	{	991	{
1127	cast_level = caster_level (caster, spell_ob);
1128	if (spell_ob->skill)	992	if (spell_ob->skill)
1129	{	993	{
1130	skill = find_skill_by_name (op, spell_ob->skill);	994	skill = find_skill_by_name (op, spell_ob->skill);
		995
1131	if (!skill)	996	if (!skill)
1132	{	997	{
1133	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	998	op->failmsg (format ("You need the skill %s to cast %s! "
		999	"H<You either need to learn the skill via a skill scroll "
		1000	"or you need to wear a talisman or holy symbol.>",
		1001	&spell_ob->skill, &spell_ob->name));
1134	return 0;	1002	return 0;
1135	}	1003	}
1136	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1004
		1005	const char *msg = "";
		1006
		1007	int caster_level = skill->level;
		1008
		1009	if (op->path_attuned & spell_ob->path_attuned)
1137	{	1010	{
1138	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1011	caster_level += min (caster_level, ATTUNE_REPELL);
		1012	msg = " (attuned)";
		1013	}
		1014
		1015	if (op->path_repelled & spell_ob->path_attuned)
		1016	{
		1017	caster_level -= ATTUNE_REPELL; // negative is ok
		1018	msg = " (repelled)";
		1019	}
		1020
		1021	if (spell_ob->level > caster_level)
		1022	{
		1023	op->failmsg (format ("You lack enough skill to cast that spell! "
		1024	"H<Your effective cast level is %d%s, but level %d is required.>",
		1025	caster_level, msg, spell_ob->level));
		1026	if (!op->is_wiz ())
1139	return 0;	1027	return 0;
1140	}	1028	}
1141	}	1029	}
		1030
1142	/* If the caster is the wiz, they don't ever fail, and don't have	1031	/* If the caster is the wiz, they don't ever fail, and don't have
1143	* to have sufficient grace/mana.	1032	* to have sufficient grace/mana.
1144	*/	1033	*/
1145	if (!QUERY_FLAG (op, FLAG_WIZ))	1034	if (!QUERY_FLAG (op, FLAG_WIZCAST))
1146	{	1035	{
1147	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1036	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1148	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1037	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1149	{	1038	{
1150	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1039	op->failmsg ("You don't have enough mana!");
1151	return 0;	1040	return 0;
1152	}	1041	}
1153		1042
1154	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1043	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1155	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1044	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1156	{	1045	{
1157	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1046	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1158	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1047	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1159	{
1160	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1048	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1161	}
1162	else	1049	else
1163	{	1050	{
1164	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1051	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1165	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1052	op->failmsg (format ("%s ignores your prayer.", godname));
1166	return 0;	1053	return 0;
1167	}	1054	}
1168	}	1055	}
1169		1056
1170	/* player/monster is trying to cast the spell. might fumble it */	1057	/* player/monster is trying to cast the spell. might fumble it */
1171	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1058	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1172	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1059	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1173	{	1060	{
1174	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1061	op->contr->play_sound (sound_find ("fumble_spell"));
1175	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1062	op->failmsg ("You fumble the prayer.");
1176	if (settings.casting_time == TRUE)	1063
1177	{
1178	op->casting_time = -1;
1179	}
1180	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1064	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1181	return 0;	1065	return 0;
1182	}	1066	}
1183	else if (spell_ob->stats.sp)	1067	else if (spell_ob->stats.sp)
1184	{	1068	{
1185	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1069	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1186		1070
1187	if (failure < 0)	1071	if (failure < 0)
1188	{	1072	{
1189	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1073	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1190	if (settings.spell_failure_effects == TRUE)	1074	if (settings.spell_failure_effects == TRUE)
1191	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1075	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1192	op->contr->shoottype = (rangetype) old_shoottype;	1076
1193	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1077	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1194	return 0;	1078	return 0;
1195	}	1079	}
1196	}	1080	}
1197	}	1081	}
1198	}	1082	}
1199		1083
1200	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1084	int mflags = op->ms ().flags ();
1201		1085
1202	/* See if we can cast a spell here. If the caster and op are	1086	/* See if we can cast a spell here. If the caster and op are
1203	* not alive, then this would mean that the mapmaker put the	1087	* not alive, then this would mean that the mapmaker put the
1204	* objects on the space - presume that they know what they are	1088	* objects on the space - presume that they know what they are
1205	* doing.	1089	* doing.
1206	*/	1090	*/
1207		1091
1208	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1092	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1209	{	1093	{
1210	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1094	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1211	return 0;	1095	return 0;
1212	}	1096	}
1213		1097
1214	if ((spell_ob->type == SPELL)	1098	if ((spell_ob->type == SPELL)
1215	&& (caster->type != POTION)	1099	&& (caster->type != POTION)
…		…
1220	{	1104	{
1221	if (op->type != PLAYER)	1105	if (op->type != PLAYER)
1222	return 0;	1106	return 0;
1223		1107
1224	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1108	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1225	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1109	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1226	else	1110	else if (object *item = op->contr->ranged_ob)
1227	switch (op->contr->shoottype)
1228	{	1111	{
1229	case range_magic:	1112	if (item->type == SPELL)
1230	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1113	op->failmsg ("Something blocks your spellcasting.");
1231	break;	1114	else if (item->type == SCROLL)
1232	case range_misc:	1115	op->failmsg ("Something blocks the magic of your scroll.");
1233	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1234	break;
1235	case range_golem:
1236	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1237	break;
1238	default:
1239	break;
1240	}
1241	return 0;
1242	}
1243
1244	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1245	{
1246	if (op->casting_time == -1)
1247	{ /* begin the casting */
1248	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1249	op->spell = spell_ob;
1250	/* put the stringarg into the object struct so that when the
1251	* spell is actually cast, it knows about the stringarg.
1252	* necessary for the invoke command spells.
1253	*/
1254	if (stringarg)
1255	{
1256	op->spellarg = strdup (stringarg);
1257	}
1258	else	1116	else
1259	op->spellarg = NULL;	1117	op->failmsg ("Something blocks the magic of your item.");
1260	return 0;
1261	}
1262	else if (op->casting_time != 0)
1263	{
1264	if (op->type == PLAYER)
1265	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1266	return 0;
1267	}	1118	}
1268	else	1119	else
1269	{ /* casting_time == 0 */	1120	op->failmsg ("Something blocks the spell!");
1270	op->casting_time = -1;	1121
1271	spell_ob = op->spell;	1122	return 0;
1272	stringarg = op->spellarg;
1273	}
1274	}
1275	else
1276	{	1123	}
		1124
1277	/* Take into account how long it takes to cast the spell.	1125	/* Take into account how long it takes to cast the spell.
1278	* if the player is casting it, then we use the time in	1126	* if the player is casting it, then we use the time in
1279	* the spell object. If it is a spell object, have it	1127	* the spell object. If it is a spell object, have it
1280	* take two ticks. Things that cast spells on the players	1128	* take two ticks. Things that cast spells on the players
1281	* behalf (eg, altars, and whatever else) shouldn't cost	1129	* behalf (eg, altars, and whatever else) shouldn't cost
1282	* the player any time.	1130	* the player any time.
1283	* Ignore casting time for firewalls	1131	* Ignore casting time for firewalls
		1132	*/
		1133	if (caster == op && caster->type != FIREWALL)
		1134	{
		1135	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1136	/* Other portions of the code may also decrement the speed of the player, so
		1137	* put a lower limit so that the player isn't stuck here too long
1284	*/	1138	*/
1285	if (caster == op && caster->type != FIREWALL)
1286	{
1287	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1288	/* Other portions of the code may also decrement the speed of the player, so
1289	* put a lower limit so that the player isn't stuck here too long
1290	*/
1291	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1139	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1292	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1140	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1293	}	1141	}
1294	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1142	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1295	{
1296	op->speed_left -= 2 * FABS (op->speed);	1143	op->speed_left -= 2 * FABS (op->speed);
1297	}
1298	}
1299		1144
1300	if (op->type == PLAYER && op == caster)	1145	if (op->type == PLAYER && op == caster)
1301	{	1146	{
1302	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1147	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1303	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1148	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1310	if (op != caster && !skill && caster->skill)	1155	if (op != caster && !skill && caster->skill)
1311	{	1156	{
1312	skill = find_skill_by_name (op, caster->skill);	1157	skill = find_skill_by_name (op, caster->skill);
1313	if (!skill)	1158	if (!skill)
1314	{	1159	{
1315	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1160	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1316	return 0;	1161	return 0;
1317	}	1162	}
		1163
1318	change_skill (op, skill, 0); /* needed for proper exp credit */	1164	op->change_skill (skill); /* needed for proper exp credit */
1319	}	1165	}
		1166
		1167	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1168	return RESULT_INT (0);
1320		1169
1321	switch (spell_ob->subtype)	1170	switch (spell_ob->subtype)
1322	{	1171	{
1323	/* The order of case statements is same as the order they show up	1172	/* The order of case statements is same as the order they show up
1324	* in in spells.h.	1173	* in spells.h.
1325	*/	1174	*/
1326	case SP_RAISE_DEAD:	1175	case SP_RAISE_DEAD:
1327	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1176	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1328	break;	1177	break;
1329		1178
1330	case SP_RUNE:	1179	case SP_RUNE:
1331	success = write_rune (op, caster, spell_ob, dir, stringarg);	1180	success = write_rune (op, caster, spell_ob, dir, spellparam);
1332	break;	1181	break;
1333		1182
1334	case SP_MAKE_MARK:	1183	case SP_MAKE_MARK:
1335	success = write_mark (op, spell_ob, stringarg);	1184	success = write_mark (op, spell_ob, spellparam);
1336	break;	1185	break;
1337		1186
1338	case SP_BOLT:	1187	case SP_BOLT:
1339	success = fire_bolt (op, caster, dir, spell_ob, skill);	1188	success = fire_bolt (op, caster, dir, spell_ob, skill);
1340	break;	1189	break;
…		…
1358	case SP_SMITE:	1207	case SP_SMITE:
1359	success = cast_smite_spell (op, caster, dir, spell_ob);	1208	success = cast_smite_spell (op, caster, dir, spell_ob);
1360	break;	1209	break;
1361		1210
1362	case SP_MAGIC_MISSILE:	1211	case SP_MAGIC_MISSILE:
1363	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1212	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1364	break;	1213	break;
1365		1214
1366	case SP_SUMMON_GOLEM:	1215	case SP_SUMMON_GOLEM:
1367	success = summon_golem (op, caster, dir, spell_ob);	1216	success = summon_golem (op, caster, dir, spell_ob);
1368	old_shoottype = range_golem;
1369	break;	1217	break;
1370		1218
1371	case SP_DIMENSION_DOOR:	1219	case SP_DIMENSION_DOOR:
1372	/* dimension door needs the actual caster, because that is what is	1220	/* dimension door needs the actual caster, because that is what is
1373	* moved.	1221	* moved.
1374	*/	1222	*/
1375	success = dimension_door (op, caster, spell_ob, dir);	1223	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1376	break;	1224	break;
1377		1225
1378	case SP_MAGIC_MAPPING:	1226	case SP_MAGIC_MAPPING:
1379	if (op->type == PLAYER)	1227	if (op->type == PLAYER)
1380	{	1228	{
…		…
1413	case SP_HEALING:	1261	case SP_HEALING:
1414	success = cast_heal (op, caster, spell_ob, dir);	1262	success = cast_heal (op, caster, spell_ob, dir);
1415	break;	1263	break;
1416		1264
1417	case SP_CREATE_FOOD:	1265	case SP_CREATE_FOOD:
1418	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1266	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1419	break;	1267	break;
1420		1268
1421	case SP_EARTH_TO_DUST:	1269	case SP_EARTH_TO_DUST:
1422	success = cast_earth_to_dust (op, caster, spell_ob);	1270	success = cast_earth_to_dust (op, caster, spell_ob);
1423	break;	1271	break;
…		…
1433	case SP_CURSE:	1281	case SP_CURSE:
1434	success = cast_curse (op, caster, spell_ob, dir);	1282	success = cast_curse (op, caster, spell_ob, dir);
1435	break;	1283	break;
1436		1284
1437	case SP_SUMMON_MONSTER:	1285	case SP_SUMMON_MONSTER:
1438	success = summon_object (op, caster, spell_ob, dir, stringarg);	1286	success = summon_object (op, caster, spell_ob, dir, spellparam);
1439	break;	1287	break;
1440		1288
1441	case SP_CHARGING:	1289	case SP_CHARGING:
1442	success = recharge (op, caster, spell_ob);	1290	success = recharge (op, caster, spell_ob);
1443	break;	1291	break;
…		…
1446	#ifdef NO_POLYMORPH	1294	#ifdef NO_POLYMORPH
1447	/* Not great, but at least provide feedback so if players do have	1295	/* Not great, but at least provide feedback so if players do have
1448	* polymorph (ie, find it as a preset item or left over from before	1296	* polymorph (ie, find it as a preset item or left over from before
1449	* it was disabled), they get some feedback.	1297	* it was disabled), they get some feedback.
1450	*/	1298	*/
1451	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1299	op->failmsg ("The spell fizzles!");
1452	success = 0;	1300	success = 0;
1453	#else	1301	#else
1454	success = cast_polymorph (op, caster, spell_ob, dir);	1302	success = cast_polymorph (op, caster, spell_ob, dir);
1455	#endif	1303	#endif
1456	break;	1304	break;
…		…
1476	break;	1324	break;
1477		1325
1478	case SP_MOVING_BALL:	1326	case SP_MOVING_BALL:
1479	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1327	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1480	{	1328	{
1481	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1329	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1482	success = 0;	1330	success = 0;
1483	}	1331	}
1484	else	1332	else
1485	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1333	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1486	break;	1334	break;
1487		1335
1488	case SP_SWARM:	1336	case SP_SWARM:
1489	success = fire_swarm (op, caster, spell_ob, dir);	1337	success = fire_swarm (op, caster, spell_ob, dir);
1490	break;	1338	break;
…		…
1497	/* in rune.c */	1345	/* in rune.c */
1498	success = dispel_rune (op, caster, spell_ob, skill, dir);	1346	success = dispel_rune (op, caster, spell_ob, skill, dir);
1499	break;	1347	break;
1500		1348
1501	case SP_CREATE_MISSILE:	1349	case SP_CREATE_MISSILE:
1502	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1350	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1503	break;	1351	break;
1504		1352
1505	case SP_CONSECRATE:	1353	case SP_CONSECRATE:
1506	success = cast_consecrate (op, caster, spell_ob);	1354	success = cast_consecrate (op, caster, spell_ob);
1507	break;	1355	break;
1508		1356
1509	case SP_ANIMATE_WEAPON:	1357	case SP_ANIMATE_WEAPON:
1510	success = animate_weapon (op, caster, spell_ob, dir);	1358	success = animate_weapon (op, caster, spell_ob, dir);
1511	old_shoottype = range_golem;
1512	break;	1359	break;
1513		1360
1514	case SP_LIGHT:	1361	case SP_LIGHT:
1515	success = cast_light (op, caster, spell_ob, dir);	1362	success = cast_light (op, caster, spell_ob, dir);
1516	break;	1363	break;
…		…
1529		1376
1530	case SP_AURA:	1377	case SP_AURA:
1531	success = create_aura (op, caster, spell_ob);	1378	success = create_aura (op, caster, spell_ob);
1532	break;	1379	break;
1533		1380
1534	case SP_TOWN_PORTAL:
1535	success = cast_create_town_portal (op, caster, spell_ob, dir);
1536	break;
1537
1538	case SP_PARTY_SPELL:	1381	case SP_PARTY_SPELL:
1539	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1382	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1540	break;	1383	break;
1541		1384
1542	default:	1385	default:
1543	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1544	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1386	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1545	}
1546
1547	/* FIXME - we need some better sound suppport */
1548	// yes, for example, augment map info with the spell effect
1549	// so clients can calculate the sounds themselves
1550	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1551
1552	/* free the spell arg */
1553	if (settings.casting_time == TRUE && stringarg)
1554	{	1387	}
1555	free (stringarg);	1388
1556	stringarg = NULL;	1389	op->play_sound (
1557	}	1390	success
1558	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1391	? spell_ob->sound
1559	* to something like use_magic_item, but you really want to be able to fire	1392	? spell_ob->sound
1560	* it again.	1393	: sound_find ("spell_success")
1561	*/	1394	: sound_find ("fumble_spell")
1562	if (op->contr)	1395	);
1563	op->contr->shoottype = (rangetype) old_shoottype;
1564		1396
1565	return success;	1397	return success;
1566	}	1398	}
1567		1399
1568
1569	/* This is called from time.c/process_object(). That function	1400	/* This is called from time.c/process_object(). That function
1570	* calls this for any SPELL_EFFECT type objects. This function	1401	* calls this for any SPELL_EFFECT type objects. This function
1571	* then dispatches them to the appropriate specific routines.	1402	* then dispatches them to the appropriate specific routines.
1572	*/	1403	*/
1573	void	1404	void
1574	move_spell_effect (object *op)	1405	move_spell_effect (object *op)
1575	{	1406	{
…		…
1615	move_aura (op);	1446	move_aura (op);
1616	break;	1447	break;
1617	}	1448	}
1618	}	1449	}
1619		1450
1620	/* this checks to see if something special should happen if
1621	* something runs into the object.
1622	*/
1623	void
1624	check_spell_effect (object *op)
1625	{
1626	switch (op->subtype)
1627	{
1628	case SP_BOLT:
1629	move_bolt (op);
1630	return;
1631
1632	case SP_BULLET:
1633	check_bullet (op);
1634	return;
1635	}
1636	}
1637
1638	/* This is called by move_apply. Basically, if someone	1451	/* This is called by move_apply. Basically, if someone
1639	* moves onto a spell effect and the walk_on or fly_on flags	1452	* moves onto a spell effect and the walk_on or fly_on flags
1640	* are set, this is called. This should only be called for	1453	* are set, this is called. This should only be called for
1641	* objects of the appropraite type.	1454	* objects of the appropriate type.
1642	*/	1455	*/
1643	void	1456	void
1644	apply_spell_effect (object *spell, object *victim)	1457	apply_spell_effect (object *spell, object *victim)
1645	{	1458	{
1646	switch (spell->subtype)	1459	switch (spell->subtype)
…		…
1652		1465
1653	case SP_MAGIC_MISSILE:	1466	case SP_MAGIC_MISSILE:
1654	if (QUERY_FLAG (victim, FLAG_ALIVE))	1467	if (QUERY_FLAG (victim, FLAG_ALIVE))
1655	{	1468	{
1656	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1469	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1657
1658	if (!spell->destroyed ())
1659	spell->destroy ();	1470	spell->destroy ();
1660	}	1471	}
1661	break;	1472	break;
1662		1473
1663	case SP_MOVING_BALL:	1474	case SP_MOVING_BALL:
1664	if (QUERY_FLAG (victim, FLAG_ALIVE))	1475	if (QUERY_FLAG (victim, FLAG_ALIVE))
1665	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1476	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1666	else if (victim->material || victim->materialname)	1477	else if (victim->materialname)
1667	save_throw_object (victim, spell->attacktype, spell);	1478	save_throw_object (victim, spell->attacktype, spell);
		1479
1668	break;	1480	break;
1669	}	1481	}
1670	}	1482	}
		1483
		1484	/**
		1485	* This function will let a fireball explode at the position of
		1486	* the victim with a specific maximum level.
		1487	*/
		1488	void
		1489	create_exploding_ball_at (object *victim, int level)
		1490	{
		1491	object *ball = get_archetype (EXPLODING_FIREBALL);
		1492	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1493	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1494	ball->insert_at (victim);
		1495	}

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