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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.27 by root, Mon Dec 25 11:25:50 2006 UTC vs.
Revision 1.116 by root, Sun Apr 11 00:34:06 2010 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 (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 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>
29	#ifndef __CEXTRACT__
30	# include <sproto.h>	29	#include <sproto.h>
31	#endif
32	#include <sounds.h>	30	#include <sounds.h>
33		31
34	extern char *spell_mapping[];	32	extern char *spell_mapping[];
35		33
36	/* 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
37	* 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
38	* matching spells are used.	36	* matching spells are used.
39	*/	37	*/
40	object *	38	object *
41	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
42	{	40	{
43	int k = 0, s;	41	int k = 0, s;
44	object *tmp;
45		42
46	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
47	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
48	k++;	45	k++;
49		46
50	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
51	if (!k)	48	if (!k)
52	return NULL;	49	return NULL;
53		50
54	s = RANDOM () % k;	51	s = rndm (k);
55		52
56	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
57	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
58	{
59	if (!s)	55	if (!s)
60	return tmp;	56	return tmp;
61	else	57	else
62	s--;	58	s--;
63	}	59
64	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
65	return NULL;	61	return 0;
66	}	62	}
67		63
68	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
69	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
70	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
80	dest->skill = spob->skill;	76	dest->skill = spob->skill;
81	else	77	else
82	dest->skill = caster->skill;	78	dest->skill = caster->skill;
83	}	79	}
84		80
85	/* init_spells: This should really be called check_spells, as that
86	* is what it does. It goes through the spells looking for any
87	* obvious errors. This was most useful in debugging when re-doing
88	* all the spells to catch simple errors. To use it all the time
89	* will result in it spitting out messages that aren't really errors.
90	*/
91	void
92	init_spells (void)
93	{
94	#ifdef SPELL_DEBUG
95	static int init_spells_done = 0;
96	int i;
97	archetype *at;
98
99	if (init_spells_done)
100	return;
101	LOG (llevDebug, "Checking spells...\n");
102
103	for (at = first_archetype; at; at = at->next)
104	{
105	if (at->clone.type == SPELL)
106	{
107	if (at->clone.skill)
108	{
109	for (i = 1; i < NUM_SKILLS; i++)
110	if (!strcmp (skill_names[i], at->clone.skill))
111	break;
112	if (i == NUM_SKILLS)
113	{
114	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
115	}
116	}
117	/* other_arch is already checked for in the loader */
118	}
119	}
120
121	i = 0;
122	while (spell_mapping[i])
123	{
124	if (!archetype::find (spell_mapping[i]))
125	{
126	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
127	}
128	i++;
129	}
130	LOG (llevDebug, "Checking spells completed.\n");
131	#endif
132	}
133
134	/* Dumps all the spells - now also dumps skill associated with the spell.
135	* not sure what this would be used for, as the data seems pretty
136	* minimal, but easy enough to keep around.
137	*/
138	void
139	dump_spells (void)
140	{
141	archetype *at;
142
143	for (at = first_archetype; at; at = at->next)
144	{
145	if (at->clone.type == SPELL)
146	{
147	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
148	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
149	}
150	}
151	}
152
153	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
154	* 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
155	*/	83	*/
156
157	void	84	void
158	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)
159	{	86	{
160
161	if (spob->other_arch != NULL)	87	if (spob->other_arch)
162	{	88	map->insert (spob->other_arch->instance (), x, y, originator);
163	object *effect = arch_to_object (spob->other_arch);
164
165	effect->x = x;
166	effect->y = y;
167
168	insert_ob_in_map (effect, map, originator, 0);
169	}
170	}	89	}
171		90
172	/*	91	static int
173	* This function takes a caster and spell and presents the	92	attuned_bonus (object *caster, object *spell, int level)
174	* effective level the caster needs to be to cast the spell.
175	* basically, it just adjusts the spell->level with attuned/repelled
176	* spellpaths. Was called path_level_mod
177	*
178	* caster is person casting hte spell.
179	* spell is the spell object.
180	* Returns modified level.
181	*/
182	int
183	min_casting_level (object *caster, object *spell)
184	{	93	{
185	int new_level;	94	// compute the attuned/repelled bonus
186		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
187	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
188	return 1;	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
189		98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
190	new_level = spell->level
191	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
192
193	return (new_level < 1) ? 1 : new_level;
194	}	99	}
195
196		100
197	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
198	* is being cast at.	102	* is being cast at.
199	* Note that I changed the repelled/attuned bonus to 2 from 5.
200	* This is because the new code compares casting_level against
201	* min_caster_level, so the difference is effectively 4
202	*/	103	*/
203
204	int	104	int
205	caster_level (object *caster, object *spell)	105	casting_level (object *caster, object *spell)
206	{	106	{
207	int level = caster->level;	107	int level = caster->level;
208
209	/* If this is a player, try to find the matching skill */
210	if (caster->type == PLAYER && spell->skill)
211	for (int i = 0; i < NUM_SKILLS; i++)
212	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
213	{
214	level = caster->contr->last_skill_ob[i]->level;
215	break;
216	}
217		108
218	/* 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. */
219	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
220	{	111	{
221	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);
222	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
223		114
224	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
225	}	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;
226		120
227	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
228	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);
229		128
230	/* 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
231	* errors in various places.	130	* errors in various places.
232	*/	131	*/
233	if (level < 1)	132	return clamp (level, 1, settings.max_level);
234	level = 1;
235
236	return level;
237	}	133	}
238		134
239	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
240	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
241	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
245	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
246	* spell is the spell object.	142	* spell is the spell object.
247	* 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
248	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
249	*/	145	*/
250
251	sint16	146	sint16
252	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
253	{	148	{
254	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
255		150
256	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
257	{	152	{
258	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
259	{
260	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));
261	}
262	else	155	else
263	sp = spell->stats.sp;	156	sp = spell->stats.sp;
264		157
265	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
266	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
267	sp = 1;	160	sp = 1;
268		161
269	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
270	{
271	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));
272	}
273	else	164	else
274	grace = spell->stats.grace;	165	grace = spell->stats.grace;
275		166
276	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
277	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
278	grace = 1;	169	grace = 1;
279	}	170	}
280	else	171	else
281	{	172	{
282	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
283	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
284	sp = 1;	175	sp = 1;
		176
285	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
286	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
287	grace = 1;	179	grace = 1;
288	}	180	}
		181
289	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
290	return MAX (sp, grace);	183	return max (sp, grace);
291	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
292	return grace;	185	return grace;
293	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
294	return sp;	187	return sp;
295	else	188	else
…		…
297	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);
298	return 0;	191	return 0;
299	}	192	}
300	}	193	}
301		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	}
302		205
303	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
304	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
305	*/	208	*/
306	int	209	int
307	SP_level_dam_adjust (object *caster, object *spob)	210	SP_level_dam_adjust (object *caster, object *spob)
308	{	211	{
309	int level = caster_level (caster, spob);
310	int adj = level - min_casting_level (caster, spob);
311
312	if (adj < 0)
313	adj = 0;
314	if (spob->dam_modifier)	212	if (!spob->dam_modifier)
315	adj /= spob->dam_modifier;
316	else
317	adj = 0;
318	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
319	}	216	}
320		217
321	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
322	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
323	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
324	*/	221	*/
325	int	222	int
326	SP_level_duration_adjust (object *caster, object *spob)	223	SP_level_duration_adjust (object *caster, object *spob)
327	{	224	{
328	int level = caster_level (caster, spob);
329	int adj = level - min_casting_level (caster, spob);
330
331	if (adj < 0)
332	adj = 0;
333	if (spob->duration_modifier)	225	if (!spob->duration_modifier)
334	adj /= spob->duration_modifier;
335	else
336	adj = 0;
337
338	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
339	}	229	}
340		230
341	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
342	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
343	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
344	*/	234	*/
345	int	235	int
346	SP_level_range_adjust (object *caster, object *spob)	236	SP_level_range_adjust (object *caster, object *spob)
347	{	237	{
348	int level = caster_level (caster, spob);
349	int adj = level - min_casting_level (caster, spob);
350
351	if (adj < 0)
352	adj = 0;
353	if (spob->range_modifier)	238	if (!spob->range_modifier)
354	adj /= spob->range_modifier;
355	else
356	adj = 0;
357
358	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
359	}	242	}
360		243
361	/* 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
362	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
363	* 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.
364	*/	247	*/
365	object *	248	object *
366	check_spell_known (object *op, const char *name)	249	check_spell_known (object *op, shstr_cmp name)
367	{	250	{
368	object *spop;	251	object *spop;
369		252
370	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
371	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
372	return spop;	255	return spop;
373		256
374	return NULL;	257	return 0;
375	}	258	}
376
377		259
378	/*	260	/*
379	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
380	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
381	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
382	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
383	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
384	* exact match, we also return NULL.	266	* exact match, we also return NULL.
385	*/	267	*/
386
387	object *	268	object *
388	lookup_spell_by_name (object *op, const char *spname)	269	lookup_spell_by_name (object *op, const char *spname)
389	{	270	{
390	object *spob1 = NULL, *spob2 = NULL, *spob;	271	object *spob1 = 0, *spob2 = 0;
391	int nummatch = 0;	272	int nummatch = 0;
392		273
393	if (spname == NULL)	274	if (!spname)
394	return NULL;	275	return 0;
395		276
396	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
397	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
398	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
399	*/	280	*/
400	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
401	{	282	{
402	if (spob->type == SPELL)	283	if (spob->type == SPELL)
403	{	284	{
		285	// TODO: WTF?
404	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
405	{	287	{
406	nummatch++;	288	nummatch++;
407	spob1 = spob;	289	spob1 = spob;
408	}	290	}
…		…
413	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
414	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
415	*/	297	*/
416	if (spob2)	298	if (spob2)
417	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
418	spob2 = spob;	301	spob2 = spob;
419	}	302	}
420	}	303	}
421	}	304	}
422	/* 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
423	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
424	*/	307	*/
425	if (spob2)	308	if (spob2)
426	return spob2;	309	return spob2;
		310
427	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
428	return spob1;	312	return spob1;
		313
429	return NULL;	314	return NULL;
430	}	315	}
431		316
432	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
433	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
437	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
438	*/	323	*/
439	int	324	int
440	reflwall (maptile *m, int x, int y, object *sp_op)	325	reflwall (maptile *m, int x, int y, object *sp_op)
441	{	326	{
442	object *op;
443
444	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
445	return 0;	328	return 0;
		329
446	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)
447	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (op->flag [FLAG_REFL_SPELL]
448	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!op->flag [FLAG_ALIVE]
449	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
450	return 1;	334	return 1;
451		335
452	return 0;	336	return 0;
453	}	337	}
…		…
471	{	355	{
472	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.");
473	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.");
474	dir = 0;	358	dir = 0;
475	}	359	}
476	new_op->x = op->x + freearr_x[dir];	360
477	new_op->y = op->y + freearr_y[dir];	361	new_op->set_flag (FLAG_IDENTIFIED);
478	if (dir == 0)	362	op->map->insert (new_op,
479	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
480	else	364	op,
481	insert_ob_in_map (new_op, op->map, op, 0);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
		366
482	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;
483	}	386	}
484		387
485	/* 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.
486	* immune_stop is basically the attacktype of the spell (why	389	* immune_stop is basically the attacktype of the spell (why
487	* passed as a different value, not sure of). If immune_stop	390	* passed as a different value, not sure of). If immune_stop
488	* has the AT_MAGIC bit set, and there is a counterwall	391	* has the AT_MAGIC bit set, and there is a counterwall
489	* 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
490	* 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.
491	*	394	*/
492	*/
493
494	int	395	int
495	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)
496	{	397	{
497	object *tmp;	398	if (!xy_normalise (m, x, y))
498	int mflags;
499	maptile *mp;
500
501	mp = m;
502	mflags = get_map_flags (m, &mp, x, y, &x, &y);
503
504	if (mflags & P_OUT_OF_MAP)
505	return 0;	399	return 0;
506		400
507	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))
508	return 0;	405	return 0;
509		406
510	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)
511	{	410	{
512	/* If there is a counterspell on the space, and this	411	/* If there is a counterspell on the space, and this
513	* object is using magic, don't progress. I believe we could	412	* object is using magic, don't progress. I believe we could
514	* 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
515	* 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
516	* 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
517	* 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
518	* 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
519	* spell to actually hit the counterwall and be sucked up.	418	* spell to actually hit the counterwall and be sucked up.
520	*/	419	*/
521	if ((tmp->attacktype & AT_COUNTERSPELL) &&	420	if ((tmp->attacktype & AT_COUNTERSPELL)
522	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	421	&& !tmp->flag [FLAG_MONSTER]
523	(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	&& !tmp->flag [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))
524	return 0;	434	return 0;
525		435
526	/* This is to prevent 'out of control' spells. Basically, this
527	* limits one spell effect per space per spell. This is definately
528	* needed for performance reasons, and just for playability I believe.
529	* there are no such things as multispaced spells right now, so
530	* we don't need to worry about the head.
531	*/
532	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
533	return 0;
534
535	/*
536	* Combine similar spell effects into one spell effect. Needed for
537	* performance reasons with meteor swarm and the like, but also for
538	* playability reasons.
539	*/
540	if (tmp->arch == op->arch
541	&& tmp->type == op->type	436	if (tmp->type == op->type)
542	&& tmp->subtype == op->subtype
543	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
544	{	437	{
545	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	438	if (tmp->subtype == op->subtype
546	tmp->range = MAX (tmp->range, op->range);	439	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
547	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)
548	return 0;	470	return 0;
549	}	471	}
550		472
551	/* 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
552	* ground to prevent it from moving along?	474	* ground to prevent it from moving along?
553	*/	475	*/
554	}	476	}
		477
555	/* If it passes the above tests, it must be OK */	478	/* If it passes the above tests, it must be OK */
556	return 1;	479	return 1;
557	}	480	}
558		481
559	/* fire_arch_from_position: fires an archetype.	482	/* fire_arch_from_position: fires an archetype.
…		…
564	* dir: direction to fire in.	487	* dir: direction to fire in.
565	* 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
566	* to fire.	489	* to fire.
567	* returns 0 on failure, 1 on success.	490	* returns 0 on failure, 1 on success.
568	*/	491	*/
569
570	int	492	int
571	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)
572	{	494	{
573	object *tmp;
574	int mflags;
575	maptile *m;
576
577	if (spell->other_arch == NULL)	495	if (!spell->other_arch)
578	return 0;	496	return 0;
579		497
580	m = op->map;	498	object *tmp = spell->other_arch->instance ();
581	mflags = get_map_flags (m, &m, x, y, &x, &y);
582	if (mflags & P_OUT_OF_MAP)
583	{
584	return 0;
585	}
586		499
587	tmp = arch_to_object (spell->other_arch);	500	if (!tmp)
588
589	if (tmp == NULL)
590	return 0;	501	return 0;
591
592	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
593	{
594	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
595	tmp->destroy ();
596	return 0;
597	}
598		502
599	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);
600	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	504	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
601	/* 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 */
602	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
603	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
604	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
605	tmp->x = x;
606	tmp->y = y;
607	tmp->direction = dir;	509	tmp->direction = dir;
608	if (op->owner != NULL)
609	tmp->set_owner (op);	510	tmp->set_owner (op);
610	else
611	tmp->set_owner (op);
612	tmp->level = caster_level (caster, spell);	511	tmp->level = casting_level (caster, spell);
613	set_spell_skill (op, caster, spell, tmp);	512	set_spell_skill (op, caster, spell, tmp);
614		513
615	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	514	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
616	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	515	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
617	{
618	if (!tailor_god_spell (tmp, op))	516	if (!tailor_god_spell (tmp, op))
619	return 0;	517	return 0;
620	}	518
621	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	519	if (tmp->flag [FLAG_IS_TURNABLE])
622	SET_ANIMATION (tmp, dir);	520	SET_ANIMATION (tmp, dir);
623		521
624	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	522	if ((tmp = op->map->insert (tmp, x, y, op)))
625	return 1;
626
627	move_spell_effect (tmp);	523	move_spell_effect (tmp);
628		524
629	return 1;	525	return 1;
630	}	526	}
631
632
633		527
634	/*****************************************************************************	528	/*****************************************************************************
635	*	529	*
636	* Code related to rods - perhaps better located in another file?	530	* Code related to rods - perhaps better located in another file?
637	*	531	*
638	****************************************************************************/	532	****************************************************************************/
639
640	void	533	void
641	regenerate_rod (object *rod)	534	regenerate_rod (object *rod)
642	{	535	{
643	if (rod->stats.hp < rod->stats.maxhp)	536	if (rod->stats.hp < rod->stats.maxhp)
644	{	537	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
645	rod->stats.hp += 1 + rod->stats.maxhp / 10;
646
647	if (rod->stats.hp > rod->stats.maxhp)
648	rod->stats.hp = rod->stats.maxhp;
649	}
650	}	538	}
651
652		539
653	void	540	void
654	drain_rod_charge (object *rod)	541	drain_rod_charge (object *rod)
655	{	542	{
656	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);
657	}	544	}
658
659
660
661		545
662	/* this function is commonly used to find a friendly target for	546	/* this function is commonly used to find a friendly target for
663	* spells such as heal or protection or armour	547	* spells such as heal or protection or armour
664	* 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),
665	* 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
666	* NULL if no good object.	550	* NULL if no good object.
667	*/	551	*/
668
669	object *	552	object *
670	find_target_for_friendly_spell (object *op, int dir)	553	find_target_for_friendly_spell (object *op, int dir)
671	{	554	{
672	object *tmp;	555	object *tmp;
673	maptile *m;
674	sint16 x, y;
675	int mflags;
676		556
677	/* 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,
678	* we then make the owner of this object the target.	558	* we then make the owner of this object the target.
679	* The owner could very well be no where near op.	559	* The owner could very well be no where near op.
680	*/	560	*/
…		…
682	{	562	{
683	tmp = op->owner;	563	tmp = op->owner;
684	/* If the owner does not exist, or is not a monster, than apply the spell	564	/* If the owner does not exist, or is not a monster, than apply the spell
685	* to the caster.	565	* to the caster.
686	*/	566	*/
687	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	567	if (!tmp || !tmp->flag [FLAG_MONSTER])
688	tmp = op;	568	tmp = op;
689	}	569	}
690	else	570	else
691	{	571	{
692	m = op->map;	572	maptile *m = op->map;
693	x = op->x + freearr_x[dir];	573	sint16 x = op->x + freearr_x[dir];
694	y = op->y + freearr_y[dir];	574	sint16 y = op->y + freearr_y[dir];
695
696	mflags = get_map_flags (m, &m, x, y, &x, &y);
697
698	if (mflags & P_OUT_OF_MAP)
699	tmp = 0;
700	else	575
		576	tmp = xy_normalise (m, x, y)
701	tmp = m->at (x, y).player ();	577	? m->at (x, y).player ()
		578	: 0;
702	}	579	}
703		580
704	/* 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 */
705	if (!tmp)	582	if (!tmp)
706	tmp = op->ms ().player ();	583	tmp = op->ms ().player ();
707		584
708	return tmp;	585	return tmp;
709	}	586	}
710
711
712		587
713	/* raytrace:	588	/* raytrace:
714	* 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
715	* 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
716	* live objects.	591	* live objects.
…		…
719	* monsters/generators only. If not, the spell will hunt players only.	594	* monsters/generators only. If not, the spell will hunt players only.
720	* 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
721	* any, otherwise -1.	596	* any, otherwise -1.
722	* 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.
723	*/	598	*/
724
725	int	599	int
726	spell_find_dir (maptile *m, int x, int y, object *exclude)	600	spell_find_dir (maptile *m, int x, int y, object *exclude)
727	{	601	{
728	int i, max = SIZEOFFREE;	602	int i, max = SIZEOFFREE;
729	sint16 nx, ny;	603	sint16 nx, ny;
…		…
746	continue;	620	continue;
747		621
748	tmp = GET_MAP_OB (mp, nx, ny);	622	tmp = GET_MAP_OB (mp, nx, ny);
749		623
750	while (tmp != NULL && (((owner_type == PLAYER &&	624	while (tmp != NULL && (((owner_type == PLAYER &&
751	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	625	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
752	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))	626	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
753	tmp = tmp->above;	627	tmp = tmp->above;
754		628
755	if (tmp != NULL && can_see_monsterP (m, x, y, i))	629	if (tmp != NULL && can_see_monsterP (m, x, y, i))
756	return freedir[i];	630	return freedir[i];
757	}	631	}
758	return -1; /* flag for "keep going the way you were" */	632	return -1; /* flag for "keep going the way you were" */
759	}	633	}
760
761
762		634
763	/* put_a_monster: puts a monster named monstername near by	635	/* put_a_monster: puts a monster named monstername near by
764	* op. This creates the treasures for the monsters, and	636	* op. This creates the treasures for the monsters, and
765	* also deals with multipart monsters properly.	637	* also deals with multipart monsters properly.
766	*/	638	*/
767		639	static void
768	void
769	put_a_monster (object *op, const char *monstername)	640	put_a_monster (object *op, const char *monstername)
770	{	641	{
771	object *tmp, *head = NULL, *prev = NULL;	642	object *tmp, *head = NULL, *prev = NULL;
772	archetype *at;	643	archetype *at;
773	int dir;	644	int dir;
…		…
779		650
780	/* find a free square nearby	651	/* find a free square nearby
781	* first we check the closest square for free squares	652	* first we check the closest square for free squares
782	*/	653	*/
783		654
784	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);
785	if (dir != -1)	656	if (dir != -1)
786	{	657	{
787	/* This is basically grabbed for generate monster. Fixed 971225 to	658	/* This is basically grabbed for generate monster. Fixed 971225 to
788	* insert multipart monsters properly	659	* insert multipart monsters properly
789	*/	660	*/
		661	//TODO: use expand_tail + ...
790	while (at != NULL)	662	while (at != NULL)
791	{	663	{
792	tmp = arch_to_object (at);	664	tmp = at->instance ();
793	tmp->x = op->x + freearr_x[dir] + at->clone.x;	665	tmp->x = op->x + freearr_x[dir] + at->x;
794	tmp->y = op->y + freearr_y[dir] + at->clone.y;	666	tmp->y = op->y + freearr_y[dir] + at->y;
795	tmp->map = op->map;	667	tmp->map = op->map;
796	if (head)	668	if (head)
797	{	669	{
798	tmp->head = head;	670	tmp->head = head;
799	prev->more = tmp;	671	prev->more = tmp;
800	}	672	}
		673
801	if (!head)	674	if (!head)
802	head = tmp;	675	head = tmp;
		676
803	prev = tmp;	677	prev = tmp;
		678
804	at = at->more;	679	at = (archetype *)at->more;
805	}	680	}
806		681
807	if (head->randomitems)	682	if (head->randomitems)
808	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	683	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
809		684
810	insert_ob_in_map (head, op->map, op, 0);	685	insert_ob_in_map (head, op->map, op, 0);
811		686
812	/* thought it'd be cool to insert a burnout, too. */	687	/* thought it'd be cool to insert a burnout, too. */
813	tmp = get_archetype ("burnout");	688	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
814	tmp->map = op->map;
815	tmp->x = op->x + freearr_x[dir];
816	tmp->y = op->y + freearr_y[dir];
817	insert_ob_in_map (tmp, op->map, op, 0);
818	}	689	}
819	}	690	}
820		691
821	/* peterm: function which summons hostile monsters and	692	/* peterm: function which summons hostile monsters and
822	* places them in nearby squares.	693	* places them in nearby squares.
…		…
829	* 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
830	* 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
831	* never used. This is however used by various failures on the	702	* never used. This is however used by various failures on the
832	* players part (alchemy, reincarnation, etc)	703	* players part (alchemy, reincarnation, etc)
833	*/	704	*/
834
835	int	705	int
836	summon_hostile_monsters (object *op, int n, const char *monstername)	706	summon_hostile_monsters (object *op, int n, const char *monstername)
837	{	707	{
838	int i;	708	int i;
839		709
…		…
849	{	719	{
850	int attacktype;	720	int attacktype;
851	int face;	721	int face;
852	} ATTACKS[22] =	722	} ATTACKS[22] =
853	{	723	{
854	{
855	AT_PHYSICAL, 0},	724	{ AT_PHYSICAL, 0},
856	{
857	AT_PHYSICAL, 0}, /*face = explosion */	725	{ AT_PHYSICAL, 0}, /*face = explosion */
858	{
859	AT_PHYSICAL, 0},	726	{ AT_PHYSICAL, 0},
860	{
861	AT_MAGIC, 1},	727	{ AT_MAGIC, 1},
862	{
863	AT_MAGIC, 1}, /* face = last-burnout */	728	{ AT_MAGIC, 1}, /* face = last-burnout */
864	{
865	AT_MAGIC, 1},	729	{ AT_MAGIC, 1},
866	{
867	AT_FIRE, 2},	730	{ AT_FIRE, 2},
868	{
869	AT_FIRE, 2}, /* face = fire.... */	731	{ AT_FIRE, 2}, /* face = fire.... */
870	{
871	AT_FIRE, 2},	732	{ AT_FIRE, 2},
872	{
873	AT_ELECTRICITY, 3},	733	{ AT_ELECTRICITY, 3},
874	{
875	AT_ELECTRICITY, 3}, /* ball_lightning */	734	{ AT_ELECTRICITY, 3}, /* ball_lightning */
876	{
877	AT_ELECTRICITY, 3},	735	{ AT_ELECTRICITY, 3},
878	{
879	AT_COLD, 4},	736	{ AT_COLD, 4},
880	{
881	AT_COLD, 4}, /* face=icestorm */	737	{ AT_COLD, 4}, /* face=icestorm */
882	{
883	AT_COLD, 4},	738	{ AT_COLD, 4},
884	{
885	AT_CONFUSION, 5},	739	{ AT_CONFUSION, 5},
886	{
887	AT_POISON, 7},	740	{ AT_POISON, 7},
888	{
889	AT_POISON, 7}, /* face = acid sphere. generator */	741	{ AT_POISON, 7}, /* face = acid sphere. generator */
890	{
891	AT_POISON, 7}, /* poisoncloud face */	742	{ AT_POISON, 7}, /* poisoncloud face */
892	{
893	AT_SLOW, 8},	743	{ AT_SLOW, 8},
894	{
895	AT_PARALYZE, 9},	744	{ AT_PARALYZE, 9},
896	{
897	AT_FEAR, 10}};	745	{ AT_FEAR, 10},
898		746	};
899
900		747
901	/* shuffle_attack: peterm	748	/* shuffle_attack: peterm
902	* This routine shuffles the attack of op to one of the	749	* This routine shuffles the attack of op to one of the
903	* ones in the list. It does this at random. It also	750	* ones in the list. It does this at random. It also
904	* chooses a face appropriate to the attack that is	751	* chooses a face appropriate to the attack that is
…		…
927	{	774	{
928	SET_ANIMATION (op, ATTACKS[i].face);	775	SET_ANIMATION (op, ATTACKS[i].face);
929	}	776	}
930	}	777	}
931		778
932
933	/* prayer_failure: This is called when a player fails	779	/* prayer_failure: This is called when a player fails
934	* at casting a prayer.	780	* at casting a prayer.
935	* op is the player.	781	* op is the player.
936	* failure is basically how much grace they had.	782	* failure is basically how much grace they had.
937	* 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.
938	*/	784	*/
939		785	static void
940	void
941	prayer_failure (object *op, int failure, int power)	786	prayer_failure (object *op, int failure, int power)
942	{	787	{
943	const char *godname;	788	const char *godname;
944	object *tmp;	789	object *tmp;
945		790
…		…
1022	else	867	else
1023	{	868	{
1024	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	869	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1025	tmp = get_archetype (LOOSE_MANA);	870	tmp = get_archetype (LOOSE_MANA);
1026	tmp->level = skill->level;	871	tmp->level = skill->level;
1027	tmp->x = op->x;
1028	tmp->y = op->y;
1029		872
1030	/* increase the area of destruction a little for more powerful spells */	873	/* increase the area of destruction a little for more powerful spells */
1031	tmp->range += isqrt (power);	874	tmp->range += isqrt (power);
1032		875
1033	if (power > 25)	876	if (power > 25)
1034	tmp->stats.dam = 25 + isqrt (power);	877	tmp->stats.dam = 25 + isqrt (power);
1035	else	878	else
1036	tmp->stats.dam = power; /* nasty recoils! */	879	tmp->stats.dam = power; /* nasty recoils! */
1037		880
1038	tmp->stats.maxhp = tmp->count;	881	tmp->stats.maxhp = tmp->count;
1039	insert_ob_in_map (tmp, op->map, NULL, 0);	882
		883	tmp->insert_at (op);
1040	}	884	}
1041	}	885	}
1042	}	886	}
1043		887
1044	int	888	static int
1045	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)
1046	{	890	{
1047	int success;
1048	player *pl;
1049	object *spell;
1050
1051	if (!spell_ob->other_arch)	891	if (!spell_ob->other_arch)
1052	{	892	{
1053	LOG (llevError, "cast_party_spell: empty other arch\n");	893	LOG (llevError, "cast_party_spell: empty other arch\n");
1054	return 0;	894	return 0;
1055	}	895	}
1056	spell = arch_to_object (spell_ob->other_arch);	896
		897	object *spell = spell_ob->other_arch->instance ();
1057		898
1058	/* Always cast spell on caster */	899	/* Always cast spell on caster */
1059	success = cast_spell (op, caster, dir, spell, stringarg);	900	int success = cast_spell (op, caster, dir, spell, spellparam);
1060		901
1061	if (caster->contr->party == NULL)	902	if (!op->contr || !op->contr->party)
1062	{	903	{
1063	spell->remove ();	904	spell->remove ();
1064	return success;	905	return success;
1065	}	906	}
		907
1066	for_all_players (pl)	908	for_all_players (pl)
1067	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	909	if ((pl->ob->contr->party == op->contr->party)
1068	{	910	&& on_same_map (pl->ob, op)
		911	&& pl->ob != op)
1069	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	912	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1070	}	913
1071	spell->remove ();	914	spell->remove ();
1072	return success;	915	return success;
1073	}	916	}
1074		917
1075	/* This is where the main dispatch when someone casts a spell.	918	/* This is where the main dispatch when someone casts a spell.
…		…
1080	* same as op.	923	* same as op.
1081	* 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
1082	* is self only, dir really doesn't make a difference.	925	* is self only, dir really doesn't make a difference.
1083	* 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,
1084	* we can determine what to do.	927	* we can determine what to do.
1085	* 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
1086	* 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
1087	* 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,
1088	* etc.	931	* etc.
1089	* 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
1090	* 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
…		…
1097	*	940	*
1098	* 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),
1099	* this function will decrease the mana/grace appropriately. For other	942	* this function will decrease the mana/grace appropriately. For other
1100	* objects, the caller should do what it considers appropriate.	943	* objects, the caller should do what it considers appropriate.
1101	*/	944	*/
1102
1103	int	945	int
1104	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)
1105	{	947	{
1106	const char *godname;	948	const char *godname;
1107	int success = 0, mflags, cast_level = 0, old_shoottype;	949	int success = 0;
1108	object *skill = NULL;
1109
1110	old_shoottype = op->contr ? op->contr->shoottype : 0;
1111		950
1112	if (!spell_ob)	951	if (!spell_ob)
1113	{	952	{
1114	LOG (llevError, "cast_spell: null spell object passed\n");	953	LOG (llevError, "cast_spell: null spell object passed\n");
1115	return 0;	954	return 0;
…		…
1126	}	965	}
1127		966
1128	/* if caster is a spell casting object, this normally shouldn't be	967	/* if caster is a spell casting object, this normally shouldn't be
1129	* an issue, because they don't have any spellpaths set up.	968	* an issue, because they don't have any spellpaths set up.
1130	*/	969	*/
1131	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))	970	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1132	{	971	{
1133	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	972	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");
1134	return 0;	973	return 0;
1135	}	974	}
		975
		976	object *skill = 0;
1136		977
1137	/* if it is a player casting the spell, and they are really casting it	978	/* if it is a player casting the spell, and they are really casting it
1138	* (vs it coming from a wand, scroll, or whatever else), do some	979	* (vs it coming from a wand, scroll, or whatever else), do some
1139	* checks. We let monsters do special things - eg, they	980	* checks. We let monsters do special things - eg, they
1140	* don't need the skill, bypass level checks, etc. The monster function	981	* don't need the SKILL, BYpass level checks, etc. The monster function
1141	* should take care of that.	982	* should take care of that.
1142	* Remove the wiz check here and move it further down - some spells	983	* Remove the wiz check here and move it further down - some spells
1143	* need to have the right skill pointer passed, so we need to	984	* need to have the right skill pointer passed, so we need to
1144	* at least process that code.	985	* at least process that code.
1145	*/	986	*/
1146	if (op->type == PLAYER && op == caster)	987	if (op->type == PLAYER && op == caster)
1147	{	988	{
1148	cast_level = caster_level (caster, spell_ob);
1149	if (spell_ob->skill)	989	if (spell_ob->skill)
1150	{	990	{
1151	skill = find_skill_by_name (op, spell_ob->skill);	991	skill = find_skill_by_name (op, spell_ob->skill);
		992
1152	if (!skill)	993	if (!skill)
1153	{	994	{
1154	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	995	op->failmsgf ("You need the %s skill to cast %s! "
		996	"H<You either need to learn the skill via a skill scroll "
		997	"or you need to wear a talisman, holy symbol or another skill tool.>",
		998	&spell_ob->skill, &spell_ob->name);
1155	return 0;	999	return 0;
1156	}	1000	}
1157	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1001
		1002	const char *msg = "";
		1003
		1004	int caster_level = skill->level;
		1005
		1006	if (op->path_attuned & spell_ob->path_attuned)
1158	{	1007	{
1159	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1008	caster_level += min (caster_level, ATTUNE_REPELL);
		1009	msg = " (attuned)";
		1010	}
		1011
		1012	if (op->path_repelled & spell_ob->path_attuned)
		1013	{
		1014	caster_level -= ATTUNE_REPELL; // negative is ok
		1015	msg = " (repelled)";
		1016	}
		1017
		1018	if (spell_ob->level > caster_level)
		1019	{
		1020	op->failmsgf ("You lack enough skill to cast that spell! "
		1021	"H<Your effective cast level is %d%s, but level %d is required.>",
		1022	caster_level, msg, spell_ob->level);
		1023	if (!op->is_wiz ())
1160	return 0;	1024	return 0;
1161	}	1025	}
1162	}	1026	}
		1027
1163	/* If the caster is the wiz, they don't ever fail, and don't have	1028	/* If the caster is the wiz, they don't ever fail, and don't have
1164	* to have sufficient grace/mana.	1029	* to have sufficient grace/mana.
1165	*/	1030	*/
1166	if (!QUERY_FLAG (op, FLAG_WIZ))	1031	if (!op->flag [FLAG_WIZCAST])
1167	{	1032	{
1168	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1033	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1169	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1034	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1170	{	1035	{
1171	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1036	op->failmsg ("You don't have enough mana!");
1172	return 0;	1037	return 0;
1173	}	1038	}
		1039
1174	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1040	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1175	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1041	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1176	{	1042	{
1177	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1043	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1178	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1044	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1179	{
1180	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1045	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1181	}
1182	else	1046	else
1183	{	1047	{
1184	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1048	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1185	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1049	op->failmsgf ("%s ignores your prayer.", godname);
1186	return 0;	1050	return 0;
1187	}	1051	}
1188	}	1052	}
1189		1053
1190	/* player/monster is trying to cast the spell. might fumble it */	1054	/* player/monster is trying to cast the spell. might fumble it */
1191	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1055	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1192	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1056	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1193	{	1057	{
1194	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1058	op->contr->play_sound (sound_find ("fumble_spell"));
1195	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1059	op->failmsg ("You fumble the prayer.");
1196	if (settings.casting_time == TRUE)	1060
1197	{
1198	op->casting_time = -1;
1199	}
1200	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1061	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1201	return 0;	1062	return 0;
1202	}	1063	}
1203	else if (spell_ob->stats.sp)	1064	else if (spell_ob->stats.sp)
1204	{	1065	{
1205	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1066	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1206		1067
1207	if (failure < 0)	1068	if (failure < 0)
1208	{	1069	{
1209	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1070	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1210	if (settings.spell_failure_effects == TRUE)	1071	if (settings.spell_failure_effects == TRUE)
1211	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1072	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1212	op->contr->shoottype = (rangetype) old_shoottype;	1073
1213	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1074	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1214	return 0;	1075	return 0;
1215	}	1076	}
1216	}	1077	}
1217	}	1078	}
1218	}	1079	}
1219		1080
1220	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1081	int mflags = op->ms ().flags ();
1221		1082
1222	/* See if we can cast a spell here. If the caster and op are	1083	/* See if we can cast a spell here. If the caster and op are
1223	* not alive, then this would mean that the mapmaker put the	1084	* not alive, then this would mean that the mapmaker put the
1224	* objects on the space - presume that they know what they are	1085	* objects on the space - presume that they know what they are
1225	* doing.	1086	* doing.
1226	*/	1087	*/
1227		1088
1228	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1089	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1229	{	1090	{
		1091	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1230	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1092	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1231	return 0;	1093	return 0;
1232	}	1094	}
1233		1095
1234	if ((spell_ob->type == SPELL)	1096	if ((spell_ob->type == SPELL)
1235	&& (caster->type != POTION)	1097	&& (caster->type != POTION)
1236	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1098	&& !op->flag [FLAG_WIZCAST]
1237	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1099	&& (caster->flag [FLAG_ALIVE]
1238	|| QUERY_FLAG (op, FLAG_ALIVE))	1100	|| op->flag [FLAG_ALIVE])
1239	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1101	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1240	{	1102	{
1241	if (op->type != PLAYER)	1103	if (op->type != PLAYER)
1242	return 0;	1104	return 0;
1243		1105
1244	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1106	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1245	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1107	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1246	else	1108	else if (object *item = op->contr->ranged_ob)
1247	switch (op->contr->shoottype)
1248	{	1109	{
1249	case range_magic:	1110	if (item->type == SPELL)
1250	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1111	op->failmsg ("Something blocks your spellcasting.");
1251	break;	1112	else if (item->type == SCROLL)
1252	case range_misc:	1113	op->failmsg ("Something blocks the magic of your scroll.");
1253	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1254	break;
1255	case range_golem:
1256	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1257	break;
1258	default:
1259	break;
1260	}
1261	return 0;
1262	}
1263
1264	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1265	{
1266	if (op->casting_time == -1)
1267	{ /* begin the casting */
1268	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1269	op->spell = spell_ob;
1270	/* put the stringarg into the object struct so that when the
1271	* spell is actually cast, it knows about the stringarg.
1272	* necessary for the invoke command spells.
1273	*/
1274	if (stringarg)
1275	{
1276	op->spellarg = strdup (stringarg);
1277	}
1278	else	1114	else
1279	op->spellarg = NULL;	1115	op->failmsg ("Something blocks the magic of your item.");
1280	return 0;
1281	}
1282	else if (op->casting_time != 0)
1283	{
1284	if (op->type == PLAYER)
1285	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1286	return 0;
1287	}	1116	}
1288	else	1117	else
1289	{ /* casting_time == 0 */	1118	op->failmsg ("Something blocks the spell!");
1290	op->casting_time = -1;	1119
1291	spell_ob = op->spell;	1120	return 0;
1292	stringarg = op->spellarg;
1293	}
1294	}
1295	else
1296	{	1121	}
		1122
1297	/* Take into account how long it takes to cast the spell.	1123	/* Take into account how long it takes to cast the spell.
1298	* if the player is casting it, then we use the time in	1124	* if the player is casting it, then we use the time in
1299	* the spell object. If it is a spell object, have it	1125	* the spell object. If it is a spell object, have it
1300	* take two ticks. Things that cast spells on the players	1126	* take two ticks. Things that cast spells on the players
1301	* behalf (eg, altars, and whatever else) shouldn't cost	1127	* behalf (eg, altars, and whatever else) shouldn't cost
1302	* the player any time.	1128	* the player any time.
1303	* Ignore casting time for firewalls	1129	* Ignore casting time for firewalls
		1130	*/
		1131	if (caster == op && caster->type != FIREWALL)
		1132	{
		1133	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1134	/* Other portions of the code may also decrement the speed of the player, so
		1135	* put a lower limit so that the player isn't stuck here too long
1304	*/	1136	*/
1305	if (caster == op && caster->type != FIREWALL)
1306	{
1307	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1308	/* Other portions of the code may also decrement the speed of the player, so
1309	* put a lower limit so that the player isn't stuck here too long
1310	*/
1311	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1137	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1312	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1138	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1313	}	1139	}
1314	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1140	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1315	{
1316	op->speed_left -= 2 * FABS (op->speed);	1141	op->speed_left -= 2 * op->speed;
1317	}
1318	}
1319		1142
1320	if (op->type == PLAYER && op == caster)	1143	if (op->type == PLAYER && op == caster)
1321	{	1144	{
1322	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1145	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1323	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1146	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1328	* object requires.	1151	* object requires.
1329	*/	1152	*/
1330	if (op != caster && !skill && caster->skill)	1153	if (op != caster && !skill && caster->skill)
1331	{	1154	{
1332	skill = find_skill_by_name (op, caster->skill);	1155	skill = find_skill_by_name (op, caster->skill);
		1156
1333	if (!skill)	1157	if (!skill)
1334	{	1158	{
1335	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1159	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1336	return 0;	1160	return 0;
1337	}	1161	}
1338	change_skill (op, skill, 0); /* needed for proper exp credit */
1339	}	1162	}
		1163
		1164	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1165	return RESULT_INT (0);
		1166
		1167	// temporaroly replace chosen_skill by skill, we assume skill *could* be applied,
		1168	// at least temporarily, which might not be true due to slot restrictions, but hey
		1169	// invoke requires it basically.
		1170
		1171	object *chosen_skill = op->chosen_skill;
		1172	op->chosen_skill = skill;
1340		1173
1341	switch (spell_ob->subtype)	1174	switch (spell_ob->subtype)
1342	{	1175	{
1343	/* The order of case statements is same as the order they show up	1176	/* The order of case statements is same as the order they show up
1344	* in in spells.h.	1177	* in spells.h.
1345	*/	1178	*/
1346	case SP_RAISE_DEAD:	1179	case SP_RAISE_DEAD:
1347	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1180	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1348	break;	1181	break;
1349		1182
1350	case SP_RUNE:	1183	case SP_RUNE:
1351	success = write_rune (op, caster, spell_ob, dir, stringarg);	1184	success = write_rune (op, caster, spell_ob, dir, spellparam);
1352	break;	1185	break;
1353		1186
1354	case SP_MAKE_MARK:	1187	case SP_MAKE_MARK:
1355	success = write_mark (op, spell_ob, stringarg);	1188	success = write_mark (op, spell_ob, spellparam);
1356	break;	1189	break;
1357		1190
1358	case SP_BOLT:	1191	case SP_BOLT:
1359	success = fire_bolt (op, caster, dir, spell_ob, skill);	1192	success = fire_bolt (op, caster, dir, spell_ob, skill);
1360	break;	1193	break;
…		…
1378	case SP_SMITE:	1211	case SP_SMITE:
1379	success = cast_smite_spell (op, caster, dir, spell_ob);	1212	success = cast_smite_spell (op, caster, dir, spell_ob);
1380	break;	1213	break;
1381		1214
1382	case SP_MAGIC_MISSILE:	1215	case SP_MAGIC_MISSILE:
1383	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1216	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1384	break;	1217	break;
1385		1218
1386	case SP_SUMMON_GOLEM:	1219	case SP_SUMMON_GOLEM:
1387	success = summon_golem (op, caster, dir, spell_ob);	1220	success = summon_golem (op, caster, dir, spell_ob);
1388	old_shoottype = range_golem;
1389	break;	1221	break;
1390		1222
1391	case SP_DIMENSION_DOOR:	1223	case SP_DIMENSION_DOOR:
1392	/* dimension door needs the actual caster, because that is what is	1224	/* dimension door needs the actual caster, because that is what is
1393	* moved.	1225	* moved.
1394	*/	1226	*/
1395	success = dimension_door (op, caster, spell_ob, dir);	1227	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1396	break;	1228	break;
1397		1229
1398	case SP_MAGIC_MAPPING:	1230	case SP_MAGIC_MAPPING:
1399	if (op->type == PLAYER)	1231	if (op->type == PLAYER)
1400	{	1232	{
…		…
1433	case SP_HEALING:	1265	case SP_HEALING:
1434	success = cast_heal (op, caster, spell_ob, dir);	1266	success = cast_heal (op, caster, spell_ob, dir);
1435	break;	1267	break;
1436		1268
1437	case SP_CREATE_FOOD:	1269	case SP_CREATE_FOOD:
1438	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1270	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1439	break;	1271	break;
1440		1272
1441	case SP_EARTH_TO_DUST:	1273	case SP_EARTH_TO_DUST:
1442	success = cast_earth_to_dust (op, caster, spell_ob);	1274	success = cast_earth_to_dust (op, caster, spell_ob);
1443	break;	1275	break;
…		…
1453	case SP_CURSE:	1285	case SP_CURSE:
1454	success = cast_curse (op, caster, spell_ob, dir);	1286	success = cast_curse (op, caster, spell_ob, dir);
1455	break;	1287	break;
1456		1288
1457	case SP_SUMMON_MONSTER:	1289	case SP_SUMMON_MONSTER:
1458	success = summon_object (op, caster, spell_ob, dir, stringarg);	1290	success = summon_object (op, caster, spell_ob, dir, spellparam);
1459	break;	1291	break;
1460		1292
1461	case SP_CHARGING:	1293	case SP_CHARGING:
1462	success = recharge (op, caster, spell_ob);	1294	success = recharge (op, caster, spell_ob);
1463	break;	1295	break;
…		…
1466	#ifdef NO_POLYMORPH	1298	#ifdef NO_POLYMORPH
1467	/* Not great, but at least provide feedback so if players do have	1299	/* Not great, but at least provide feedback so if players do have
1468	* polymorph (ie, find it as a preset item or left over from before	1300	* polymorph (ie, find it as a preset item or left over from before
1469	* it was disabled), they get some feedback.	1301	* it was disabled), they get some feedback.
1470	*/	1302	*/
1471	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1303	op->failmsg ("The spell fizzles!");
1472	success = 0;	1304	success = 0;
1473	#else	1305	#else
1474	success = cast_polymorph (op, caster, spell_ob, dir);	1306	success = cast_polymorph (op, caster, spell_ob, dir);
1475	#endif	1307	#endif
1476	break;	1308	break;
…		…
1496	break;	1328	break;
1497		1329
1498	case SP_MOVING_BALL:	1330	case SP_MOVING_BALL:
1499	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1331	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1500	{	1332	{
1501	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1333	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1502	success = 0;	1334	success = 0;
1503	}	1335	}
1504	else	1336	else
1505	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1337	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1506	break;	1338	break;
1507		1339
1508	case SP_SWARM:	1340	case SP_SWARM:
1509	success = fire_swarm (op, caster, spell_ob, dir);	1341	success = fire_swarm (op, caster, spell_ob, dir);
1510	break;	1342	break;
…		…
1517	/* in rune.c */	1349	/* in rune.c */
1518	success = dispel_rune (op, caster, spell_ob, skill, dir);	1350	success = dispel_rune (op, caster, spell_ob, skill, dir);
1519	break;	1351	break;
1520		1352
1521	case SP_CREATE_MISSILE:	1353	case SP_CREATE_MISSILE:
1522	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1354	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1523	break;	1355	break;
1524		1356
1525	case SP_CONSECRATE:	1357	case SP_CONSECRATE:
1526	success = cast_consecrate (op, caster, spell_ob);	1358	success = cast_consecrate (op, caster, spell_ob);
1527	break;	1359	break;
1528		1360
1529	case SP_ANIMATE_WEAPON:	1361	case SP_ANIMATE_WEAPON:
1530	success = animate_weapon (op, caster, spell_ob, dir);	1362	success = animate_weapon (op, caster, spell_ob, dir);
1531	old_shoottype = range_golem;
1532	break;	1363	break;
1533		1364
1534	case SP_LIGHT:	1365	case SP_LIGHT:
1535	success = cast_light (op, caster, spell_ob, dir);	1366	success = cast_light (op, caster, spell_ob, dir);
1536	break;	1367	break;
…		…
1549		1380
1550	case SP_AURA:	1381	case SP_AURA:
1551	success = create_aura (op, caster, spell_ob);	1382	success = create_aura (op, caster, spell_ob);
1552	break;	1383	break;
1553		1384
1554	case SP_TOWN_PORTAL:
1555	success = cast_create_town_portal (op, caster, spell_ob, dir);
1556	break;
1557
1558	case SP_PARTY_SPELL:	1385	case SP_PARTY_SPELL:
1559	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1386	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1560	break;	1387	break;
1561		1388
1562	default:	1389	default:
1563	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1564	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1390	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1565	}
1566
1567	/* FIXME - we need some better sound suppport */
1568	// yes, for example, augment map info with the spell effect
1569	// so clients can calculate the sounds themselves
1570	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1571
1572	/* free the spell arg */
1573	if (settings.casting_time == TRUE && stringarg)
1574	{	1391	}
1575	free (stringarg);	1392
1576	stringarg = NULL;	1393	// restore chosen_skill
1577	}	1394	op->chosen_skill = chosen_skill;
1578	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1395
1579	* to something like use_magic_item, but you really want to be able to fire	1396	op->play_sound (
1580	* it again.	1397	success
1581	*/	1398	? spell_ob->sound
1582	if (op->contr)	1399	? spell_ob->sound
1583	op->contr->shoottype = (rangetype) old_shoottype;	1400	: sound_find ("spell_success")
		1401	: sound_find ("fumble_spell")
		1402	);
1584		1403
1585	return success;	1404	return success;
1586	}	1405	}
1587		1406
1588
1589	/* This is called from time.c/process_object(). That function	1407	/* This is called from time.c/process_object(). That function
1590	* calls this for any SPELL_EFFECT type objects. This function	1408	* calls this for any SPELL_EFFECT type objects. This function
1591	* then dispatches them to the appropriate specific routines.	1409	* then dispatches them to the appropriate specific routines.
1592	*/	1410	*/
1593	void	1411	void
1594	move_spell_effect (object *op)	1412	move_spell_effect (object *op)
1595	{	1413	{
…		…
1635	move_aura (op);	1453	move_aura (op);
1636	break;	1454	break;
1637	}	1455	}
1638	}	1456	}
1639		1457
1640	/* this checks to see if something special should happen if
1641	* something runs into the object.
1642	*/
1643	void
1644	check_spell_effect (object *op)
1645	{
1646	switch (op->subtype)
1647	{
1648	case SP_BOLT:
1649	move_bolt (op);
1650	return;
1651
1652	case SP_BULLET:
1653	check_bullet (op);
1654	return;
1655	}
1656	}
1657
1658	/* This is called by move_apply. Basically, if someone	1458	/* This is called by move_apply. Basically, if someone
1659	* moves onto a spell effect and the walk_on or fly_on flags	1459	* moves onto a spell effect and the walk_on or fly_on flags
1660	* are set, this is called. This should only be called for	1460	* are set, this is called. This should only be called for
1661	* objects of the appropraite type.	1461	* objects of the appropriate type.
1662	*/	1462	*/
1663	void	1463	void
1664	apply_spell_effect (object *spell, object *victim)	1464	apply_spell_effect (object *spell, object *victim)
1665	{	1465	{
1666	switch (spell->subtype)	1466	switch (spell->subtype)
1667	{	1467	{
1668	case SP_CONE:	1468	case SP_CONE:
1669	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1469	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1670	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1470	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1671	break;	1471	break;
1672		1472
1673	case SP_MAGIC_MISSILE:	1473	case SP_MAGIC_MISSILE:
1674	if (QUERY_FLAG (victim, FLAG_ALIVE))	1474	if (victim->flag [FLAG_ALIVE])
1675	{	1475	{
1676	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1476	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1677
1678	if (!spell->destroyed ())
1679	spell->destroy ();	1477	spell->destroy ();
1680	}	1478	}
1681	break;	1479	break;
1682		1480
1683	case SP_MOVING_BALL:	1481	case SP_MOVING_BALL:
1684	if (QUERY_FLAG (victim, FLAG_ALIVE))	1482	if (victim->flag [FLAG_ALIVE])
1685	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1483	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1686	else if (victim->material || victim->materialname)	1484	else if (victim->material != MATERIAL_NULL)
1687	save_throw_object (victim, spell->attacktype, spell);	1485	save_throw_object (victim, spell->attacktype, spell);
		1486
1688	break;	1487	break;
1689	}	1488	}
1690	}	1489	}
		1490
		1491	/**
		1492	* This function will let a fireball explode at the position of
		1493	* the victim with a specific maximum level.
		1494	*/
		1495	void
		1496	create_exploding_ball_at (object *victim, int level)
		1497	{
		1498	object *ball = get_archetype (EXPLODING_FIREBALL);
		1499	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1500	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1501	ball->insert_at (victim);
		1502	}

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