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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.11 by root, Sun Sep 10 15:59:58 2006 UTC vs.
Revision 1.122 by root, Sat Dec 31 06:18:02 2011 UTC

1
2	/*	1	/*
3	* static char *rcsid_spell_util_c =	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4	* "$Id: spell_util.C,v 1.11 2006/09/10 15:59:58 root Exp $";	3	*
5	*/	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6
7
8	/*
9	CrossFire, A Multiplayer game for X-windows
10
11	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
12	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
13		7	*
14	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
15	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
16	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
17	(at your option) any later version.	11	* option) any later version.
18		12	*
19	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,
20	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
21	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22	GNU General Public License for more details.	16	* GNU General Public License for more details.
23		17	*
24	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
25	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
26	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
27		21	*
28	The authors can be reached via e-mail at crossfire-devel@real-time.com	22	* The authors can be reached via e-mail to <support@deliantra.net>
29	*/	23	*/
30
31		24
32	#include <global.h>	25	#include <global.h>
33	#include <spells.h>	26	#include <spells.h>
34	#include <object.h>	27	#include <object.h>
35	#include <errno.h>	28	#include <errno.h>
36	#ifndef __CEXTRACT__
37	# include <sproto.h>	29	#include <sproto.h>
38	#endif
39	#include <sounds.h>	30	#include <sounds.h>
40		31
41	extern char *spell_mapping[];	32	extern char *spell_mapping[];
42		33
43	/* 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
44	* 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
45	* matching spells are used.	36	* matching spells are used.
46	*/	37	*/
47	object *	38	object *
48	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
49	{	40	{
50	int k = 0, s;	41	int k = 0, s;
51	object *tmp;
52		42
53	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
55	k++;	45	k++;
56		46
57	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
58	if (!k)	48	if (!k)
59	return NULL;	49	return NULL;
60		50
61	s = RANDOM () % k;	51	s = rndm (k);
62		52
63	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
64	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
65	{
66	if (!s)	55	if (!s)
67	return tmp;	56	return tmp;
68	else	57	else
69	s--;	58	s--;
70	}	59
71	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
72	return NULL;	61	return 0;
73	}	62	}
74		63
75	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
76	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
77	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
87	dest->skill = spob->skill;	76	dest->skill = spob->skill;
88	else	77	else
89	dest->skill = caster->skill;	78	dest->skill = caster->skill;
90	}	79	}
91		80
92	/* init_spells: This should really be called check_spells, as that
93	* is what it does. It goes through the spells looking for any
94	* obvious errors. This was most useful in debugging when re-doing
95	* all the spells to catch simple errors. To use it all the time
96	* will result in it spitting out messages that aren't really errors.
97	*/
98	void
99	init_spells (void)
100	{
101	#ifdef SPELL_DEBUG
102	static int init_spells_done = 0;
103	int i;
104	archetype *at;
105
106	if (init_spells_done)
107	return;
108	LOG (llevDebug, "Checking spells...\n");
109
110	for (at = first_archetype; at; at = at->next)
111	{
112	if (at->clone.type == SPELL)
113	{
114	if (at->clone.skill)
115	{
116	for (i = 1; i < NUM_SKILLS; i++)
117	if (!strcmp (skill_names[i], at->clone.skill))
118	break;
119	if (i == NUM_SKILLS)
120	{
121	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
122	}
123	}
124	/* other_arch is already checked for in the loader */
125	}
126	}
127
128	i = 0;
129	while (spell_mapping[i])
130	{
131	if (!find_archetype (spell_mapping[i]))
132	{
133	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
134	}
135	i++;
136	}
137	LOG (llevDebug, "Checking spells completed.\n");
138	#endif
139	}
140
141	/* Dumps all the spells - now also dumps skill associated with the spell.
142	* not sure what this would be used for, as the data seems pretty
143	* minimal, but easy enough to keep around.
144	*/
145	void
146	dump_spells (void)
147	{
148	archetype *at;
149
150	for (at = first_archetype; at; at = at->next)
151	{
152	if (at->clone.type == SPELL)
153	{
154	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
155	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
156	}
157	}
158	}
159
160	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
161	* 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
162	*/	83	*/
163
164	void	84	void
165	spell_effect (object *spob, int x, int y, mapstruct *map, object *originator)	85	spell_effect (object *spob, int x, int y, maptile *map, object *originator)
166	{	86	{
167
168	if (spob->other_arch != NULL)	87	if (spob->other_arch)
169	{	88	map->insert (spob->other_arch->instance (), x, y, originator);
170	object *effect = arch_to_object (spob->other_arch);
171
172	effect->x = x;
173	effect->y = y;
174
175	insert_ob_in_map (effect, map, originator, 0);
176	}
177	}	89	}
178		90
179	/*	91	static int
180	* This function takes a caster and spell and presents the	92	attuned_bonus (object *caster, object *spell, int level)
181	* effective level the caster needs to be to cast the spell.
182	* basically, it just adjusts the spell->level with attuned/repelled
183	* spellpaths. Was called path_level_mod
184	*
185	* caster is person casting hte spell.
186	* spell is the spell object.
187	* Returns modified level.
188	*/
189	int
190	min_casting_level (object *caster, object *spell)
191	{	93	{
192	int new_level;	94	// compute the attuned/repelled bonus
193		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
194	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
195	{	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
196	/* This case is not a bug, just the fact that this function is	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
197	* usually called BEFORE checking for path_deny. -AV
198	*/
199	#if 0
200	LOG (llevError, "BUG: path_level_mod (arch %s, name %s): casting denied " "spell\n", caster->arch->name, caster->name);
201	#endif
202	return 1;
203	}
204	new_level = spell->level
205	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
206	return (new_level < 1) ? 1 : new_level;
207	}	99	}
208
209		100
210	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
211	* is being cast at.	102	* is being cast at.
212	* Note that I changed the repelled/attuned bonus to 2 from 5.
213	* This is because the new code compares casting_level against
214	* min_caster_level, so the difference is effectively 4
215	*/	103	*/
216
217	int	104	int
218	caster_level (object *caster, object *spell)	105	casting_level (object *caster, object *spell)
219	{	106	{
220	int level = caster->level;	107	int level = caster->level;
221
222	/* If this is a player, try to find the matching skill */
223	if (caster->type == PLAYER && spell->skill)
224	{
225	int i;
226
227	for (i = 0; i < NUM_SKILLS; i++)
228	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
229	{
230	level = caster->contr->last_skill_ob[i]->level;
231	break;
232	}
233	}
234		108
235	/* 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. */
236	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
237	{	111	{
238	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);
239	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
240		114
241	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
242	}	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;
243		120
244	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
245	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);
246		128
247	/* 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
248	* errors in various places.	130	* errors in various places.
249	*/	131	*/
250	if (level < 1)	132	return clamp (level, 1, settings.max_level);
251	level = 1;
252	return level;
253	}	133	}
254		134
255	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
256	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
257	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
261	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
262	* spell is the spell object.	142	* spell is the spell object.
263	* 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
264	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
265	*/	145	*/
266
267	sint16	146	sint16
268	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
269	{	148	{
270	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
271		150
272	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
273	{	152	{
274	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
275	{
276	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));
277	}
278	else	155	else
279	sp = spell->stats.sp;	156	sp = spell->stats.sp;
280		157
281	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
282	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
283	sp = 1;	160	sp = 1;
284		161
285	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
286	{
287	grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace)));	163	grace = spell->stats.grace * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxgrace));
288	}
289	else	164	else
290	grace = spell->stats.grace;	165	grace = spell->stats.grace;
291		166
292	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
293	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
294	grace = 1;	169	grace = 1;
295	}	170	}
296	else	171	else
297	{	172	{
298	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
299	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
300	sp = 1;	175	sp = 1;
		176
301	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
302	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
303	grace = 1;	179	grace = 1;
304	}	180	}
		181
305	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
306	return MAX (sp, grace);	183	return max (sp, grace);
307	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
308	return grace;	185	return grace;
309	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
310	return sp;	187	return sp;
311	else	188	else
…		…
313	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);
314	return 0;	191	return 0;
315	}	192	}
316	}	193	}
317		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	}
318		205
319	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
320	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
321	*/	208	*/
322	int	209	int
323	SP_level_dam_adjust (object *caster, object *spob)	210	SP_level_dam_adjust (object *caster, object *spob)
324	{	211	{
325	int level = caster_level (caster, spob);
326	int adj = level - min_casting_level (caster, spob);
327
328	if (adj < 0)
329	adj = 0;
330	if (spob->dam_modifier)	212	if (!spob->dam_modifier)
331	adj /= spob->dam_modifier;
332	else
333	adj = 0;
334	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
335	}	216	}
336		217
337	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
338	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
339	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
340	*/	221	*/
341	int	222	int
342	SP_level_duration_adjust (object *caster, object *spob)	223	SP_level_duration_adjust (object *caster, object *spob)
343	{	224	{
344	int level = caster_level (caster, spob);
345	int adj = level - min_casting_level (caster, spob);
346
347	if (adj < 0)
348	adj = 0;
349	if (spob->duration_modifier)	225	if (!spob->duration_modifier)
350	adj /= spob->duration_modifier;
351	else
352	adj = 0;
353
354	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
355	}	229	}
356		230
357	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
358	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
359	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
360	*/	234	*/
361	int	235	int
362	SP_level_range_adjust (object *caster, object *spob)	236	SP_level_range_adjust (object *caster, object *spob)
363	{	237	{
364	int level = caster_level (caster, spob);
365	int adj = level - min_casting_level (caster, spob);
366
367	if (adj < 0)
368	adj = 0;
369	if (spob->range_modifier)	238	if (!spob->range_modifier)
370	adj /= spob->range_modifier;
371	else
372	adj = 0;
373
374	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
375	}	242	}
376		243
377	/* 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
378	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
379	* 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.
380	*/	247	*/
381	object *	248	object *
382	check_spell_known (object *op, const char *name)	249	check_spell_known (object *op, shstr_cmp name)
383	{	250	{
384	object *spop;	251	object *spop;
385		252
386	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
387	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
388	return spop;	255	return spop;
389		256
390	return NULL;	257	return 0;
391	}	258	}
392
393		259
394	/*	260	/*
395	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
396	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
397	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
398	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
399	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
400	* exact match, we also return NULL.	266	* exact match, we also return NULL.
401	*/	267	*/
402
403	object *	268	object *
404	lookup_spell_by_name (object *op, const char *spname)	269	lookup_spell_by_name (object *op, const char *spname)
405	{	270	{
406	object *spob1 = NULL, *spob2 = NULL, *spob;	271	object *spob1 = 0, *spob2 = 0;
407	int nummatch = 0;	272	int nummatch = 0;
408		273
409	if (spname == NULL)	274	if (!spname)
410	return NULL;	275	return 0;
411		276
412	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
413	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
414	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
415	*/	280	*/
416	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
417	{	282	{
418	if (spob->type == SPELL)	283	if (spob->type == SPELL)
419	{	284	{
		285	// TODO: WTF?
420	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
421	{	287	{
422	nummatch++;	288	nummatch++;
423	spob1 = spob;	289	spob1 = spob;
424	}	290	}
…		…
429	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
430	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
431	*/	297	*/
432	if (spob2)	298	if (spob2)
433	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
434	spob2 = spob;	301	spob2 = spob;
435	}	302	}
436	}	303	}
437	}	304	}
438	/* 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
439	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
440	*/	307	*/
441	if (spob2)	308	if (spob2)
442	return spob2;	309	return spob2;
		310
443	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
444	return spob1;	312	return spob1;
		313
445	return NULL;	314	return NULL;
446	}	315	}
447		316
448	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
449	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
451	* reflect_spell fails.)	320	* reflect_spell fails.)
452	* Caller should be sure it passes us valid map coordinates	321	* Caller should be sure it passes us valid map coordinates
453	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
454	*/	323	*/
455	int	324	int
456	reflwall (mapstruct *m, int x, int y, object *sp_op)	325	reflwall (maptile *m, int x, int y, object *sp_op)
457	{	326	{
458	object *op;
459
460	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
461	return 0;	328	return 0;
462	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)	329
463	if (QUERY_FLAG (op, FLAG_REFL_SPELL) && (!QUERY_FLAG (op, FLAG_ALIVE) ||	330	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
464	sp_op->type == LIGHTNING || (rndm (0, 99)) < 90 - (sp_op->level / 10)))	331	if (op->flag [FLAG_REFL_SPELL]
		332	&& (!op->flag [FLAG_ALIVE]
		333	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
465	return 1;	334	return 1;
466		335
467	return 0;	336	return 0;
468	}	337	}
469		338
…		…
475	* in.	344	* in.
476	*/	345	*/
477	int	346	int
478	cast_create_obj (object *op, object *caster, object *new_op, int dir)	347	cast_create_obj (object *op, object *caster, object *new_op, int dir)
479	{	348	{
480	mapstruct *m;	349	maptile *m;
481	sint16 sx, sy;	350	sint16 sx, sy;
482		351
483	if (dir &&	352	if (dir &&
484	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) ||	353	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) ||
485	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))	354	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))
486	{	355	{
487	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.");
488	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.");
489	dir = 0;	358	dir = 0;
490	}	359	}
491	new_op->x = op->x + freearr_x[dir];	360
492	new_op->y = op->y + freearr_y[dir];	361	new_op->set_flag (FLAG_IDENTIFIED);
493	if (dir == 0)	362	op->map->insert (new_op,
494	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
495	else	364	op,
496	insert_ob_in_map (new_op, op->map, op, 0);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
		366
497	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;
498	}	386	}
499		387
500	/* 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.
501	* immune_stop is basically the attacktype of the spell (why	389	* immune_stop is basically the attacktype of the spell (why
502	* passed as a different value, not sure of). If immune_stop	390	* passed as a different value, not sure of). If immune_stop
503	* has the AT_MAGIC bit set, and there is a counterwall	391	* has the AT_MAGIC bit set, and there is a counterwall
504	* 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
505	* 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.
506	*	394	*/
507	*/
508
509	int	395	int
510	ok_to_put_more (mapstruct *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)
511	{	397	{
512	object *tmp;	398	if (!xy_normalise (m, x, y))
513	int mflags;
514	mapstruct *mp;
515
516	mp = m;
517	mflags = get_map_flags (m, &mp, x, y, &x, &y);
518
519	if (mflags & P_OUT_OF_MAP)
520	return 0;	399	return 0;
521		400
522	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))
523	return 0;	405	return 0;
524		406
525	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.top; tmp; tmp = tmp->below)
526	{	410	{
527	/* If there is a counterspell on the space, and this	411	/* If there is a counterspell on the space, and this
528	* object is using magic, don't progress. I believe we could	412	* object is using magic, don't progress. I believe we could
529	* 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
530	* 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
531	* 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
532	* 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
533	* 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
534	* spell to actually hit the counterwall and be sucked up.	418	* spell to actually hit the counterwall and be sucked up.
535	*/	419	*/
536	if ((tmp->attacktype & AT_COUNTERSPELL) &&	420	if ((tmp->attacktype & AT_COUNTERSPELL)
537	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	421	&& !tmp->flag [FLAG_MONSTER]
538	(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))
539	return 0;	434	return 0;
540		435
541	/* This is to prevent 'out of control' spells. Basically, this
542	* limits one spell effect per space per spell. This is definately
543	* needed for performance reasons, and just for playability I believe.
544	* there are no such things as multispaced spells right now, so
545	* we don't need to worry about the head.
546	*/
547	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
548	return 0;
549
550	/*
551	* Combine similar spell effects into one spell effect. Needed for
552	* performance reasons with meteor swarm and the like, but also for
553	* playability reasons.
554	*/
555	if (tmp->arch == op->arch
556	&& tmp->type == op->type	436	if (tmp->type == op->type)
557	&& tmp->subtype == op->subtype
558	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
559	{	437	{
560	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	438	if (tmp->subtype == op->subtype
561	tmp->range = MAX (tmp->range, op->range);	439	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
562	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)
563	return 0;	470	return 0;
564	}	471	}
565		472
566	/* 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
567	* ground to prevent it from moving along?	474	* ground to prevent it from moving along?
568	*/	475	*/
569	}	476	}
		477
570	/* If it passes the above tests, it must be OK */	478	/* If it passes the above tests, it must be OK */
571	return 1;	479	return 1;
572	}	480	}
573		481
574	/* fire_arch_from_position: fires an archetype.	482	/* fire_arch_from_position: fires an archetype.
…		…
579	* dir: direction to fire in.	487	* dir: direction to fire in.
580	* 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
581	* to fire.	489	* to fire.
582	* returns 0 on failure, 1 on success.	490	* returns 0 on failure, 1 on success.
583	*/	491	*/
584
585	int	492	int
586	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)
587	{	494	{
588	object *tmp;
589	int mflags;
590	mapstruct *m;
591
592	if (spell->other_arch == NULL)	495	if (!spell->other_arch)
593	return 0;	496	return 0;
594		497
595	m = op->map;	498	object *tmp = spell->other_arch->instance ();
596	mflags = get_map_flags (m, &m, x, y, &x, &y);
597	if (mflags & P_OUT_OF_MAP)
598	{
599	return 0;
600	}
601		499
602	tmp = arch_to_object (spell->other_arch);	500	if (!tmp)
603
604	if (tmp == NULL)
605	return 0;	501	return 0;
606
607	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
608	{
609	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
610	free_object (tmp);
611	return 0;
612	}
613
614
615		502
616	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);
617	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	504	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
618	/* 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 */
619	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
620	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
621	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
622	tmp->x = x;
623	tmp->y = y;
624	tmp->direction = dir;	509	tmp->direction = dir;
625	if (get_owner (op) != NULL)	510	tmp->set_owner (op);
626	copy_owner (tmp, op);
627	else
628	set_owner (tmp, op);
629	tmp->level = caster_level (caster, spell);	511	tmp->level = casting_level (caster, spell);
630	set_spell_skill (op, caster, spell, tmp);	512	set_spell_skill (op, caster, spell, tmp);
631		513
632	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	514	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
633	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	515	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
634	{
635	if (!tailor_god_spell (tmp, op))	516	if (!tailor_god_spell (tmp, op))
636	return 0;	517	return 0;
637	}	518
638	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	519	if (tmp->flag [FLAG_IS_TURNABLE])
639	SET_ANIMATION (tmp, dir);	520	SET_ANIMATION (tmp, dir);
640		521
641	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	522	if ((tmp = op->map->insert (tmp, x, y, op)))
642	return 1;
643
644	move_spell_effect (tmp);	523	move_spell_effect (tmp);
645		524
646	return 1;	525	return 1;
647	}	526	}
648
649
650		527
651	/*****************************************************************************	528	/*****************************************************************************
652	*	529	*
653	* Code related to rods - perhaps better located in another file?	530	* Code related to rods - perhaps better located in another file?
654	*	531	*
655	****************************************************************************/	532	****************************************************************************/
656
657	void	533	void
658	regenerate_rod (object *rod)	534	regenerate_rod (object *rod)
659	{	535	{
660	if (rod->stats.hp < rod->stats.maxhp)	536	if (rod->stats.hp < rod->stats.maxhp)
661	{	537	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
662	rod->stats.hp += 1 + rod->stats.maxhp / 10;
663
664	if (rod->stats.hp > rod->stats.maxhp)
665	rod->stats.hp = rod->stats.maxhp;
666	}
667	}	538	}
668
669		539
670	void	540	void
671	drain_rod_charge (object *rod)	541	drain_rod_charge (object *rod)
672	{	542	{
673	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);
674	}	544	}
675
676
677
678		545
679	/* this function is commonly used to find a friendly target for	546	/* this function is commonly used to find a friendly target for
680	* spells such as heal or protection or armour	547	* spells such as heal or protection or armour
681	* 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),
682	* 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
683	* NULL if no good object.	550	* NULL if no good object.
684	*/	551	*/
685
686	object *	552	object *
687	find_target_for_friendly_spell (object *op, int dir)	553	find_target_for_friendly_spell (object *op, int dir)
688	{	554	{
689	object *tmp;	555	object *tmp;
690	mapstruct *m;
691	sint16 x, y;
692	int mflags;
693		556
694	/* 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,
695	* we then make the owner of this object the target.	558	* we then make the owner of this object the target.
696	* The owner could very well be no where near op.	559	* The owner could very well be no where near op.
697	*/	560	*/
698	if (op->type != PLAYER && op->type != RUNE)	561	if (op->type != PLAYER && op->type != RUNE)
699	{	562	{
700	tmp = get_owner (op);	563	tmp = op->owner;
701	/* 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
702	* to the caster.	565	* to the caster.
703	*/	566	*/
704	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	567	if (!tmp || !tmp->flag [FLAG_MONSTER])
705	tmp = op;	568	tmp = op;
706	}	569	}
707	else	570	else
708	{	571	{
709	m = op->map;	572	maptile *m = op->map;
710	x = op->x + freearr_x[dir];	573	sint16 x = op->x + freearr_x[dir];
711	y = op->y + freearr_y[dir];	574	sint16 y = op->y + freearr_y[dir];
712
713	mflags = get_map_flags (m, &m, x, y, &x, &y);
714
715	if (mflags & P_OUT_OF_MAP)
716	tmp = NULL;
717	else
718	{	575
719	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above)	576	tmp = xy_normalise (m, x, y)
720	if (tmp->type == PLAYER)	577	? m->at (x, y).player ()
721	break;	578	: 0;
722	}
723	}	579	}
		580
724	/* 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 */
725	if (tmp == NULL)	582	if (!tmp)
726	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	583	tmp = op->ms ().player ();
727	{
728	if (tmp->type == PLAYER)
729	break;
730	}
731		584
732	return tmp;	585	return tmp;
733	}	586	}
734
735
736		587
737	/* raytrace:	588	/* raytrace:
738	* 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
739	* 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
740	* live objects.	591	* live objects.
…		…
743	* monsters/generators only. If not, the spell will hunt players only.	594	* monsters/generators only. If not, the spell will hunt players only.
744	* 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
745	* any, otherwise -1.	596	* any, otherwise -1.
746	* 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.
747	*/	598	*/
748
749	int	599	int
750	spell_find_dir (mapstruct *m, int x, int y, object *exclude)	600	spell_find_dir (maptile *m, int x, int y, object *exclude)
751	{	601	{
752	int i, max = SIZEOFFREE;	602	int i, max = SIZEOFFREE;
753	sint16 nx, ny;	603	sint16 nx, ny;
754	int owner_type = 0, mflags;	604	int owner_type = 0, mflags;
755	object *tmp;	605	object *tmp;
756	mapstruct *mp;	606	maptile *mp;
757		607
758	if (exclude && exclude->head)	608	if (exclude && exclude->head)
759	exclude = exclude->head;	609	exclude = exclude->head;
760	if (exclude && exclude->type)	610	if (exclude && exclude->type)
761	owner_type = exclude->type;	611	owner_type = exclude->type;
…		…
767	mp = m;	617	mp = m;
768	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	618	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
769	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))	619	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
770	continue;	620	continue;
771		621
772	tmp = get_map_ob (mp, nx, ny);	622	tmp = GET_MAP_OB (mp, nx, ny);
773		623
774	while (tmp != NULL && (((owner_type == PLAYER &&	624	while (tmp != NULL && (((owner_type == PLAYER &&
775	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	625	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
776	(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))))
777	tmp = tmp->above;	627	tmp = tmp->above;
778		628
779	if (tmp != NULL && can_see_monsterP (m, x, y, i))	629	if (tmp != NULL && can_see_monsterP (m, x, y, i))
780	return freedir[i];	630	return freedir[i];
781	}	631	}
782	return -1; /* flag for "keep going the way you were" */	632	return -1; /* flag for "keep going the way you were" */
783	}	633	}
784
785
786		634
787	/* put_a_monster: puts a monster named monstername near by	635	/* put_a_monster: puts a monster named monstername near by
788	* op. This creates the treasures for the monsters, and	636	* op. This creates the treasures for the monsters, and
789	* also deals with multipart monsters properly.	637	* also deals with multipart monsters properly.
790	*/	638	*/
791		639	static void
792	void
793	put_a_monster (object *op, const char *monstername)	640	put_a_monster (object *op, const char *monstername)
794	{	641	{
795	object *tmp, *head = NULL, *prev = NULL;	642	object *tmp, *head = NULL, *prev = NULL;
796	archetype *at;	643	archetype *at;
797	int dir;	644	int dir;
798		645
799	/* Handle cases where we are passed a bogus mosntername */	646	/* Handle cases where we are passed a bogus mosntername */
800		647
801	if ((at = find_archetype (monstername)) == NULL)	648	if ((at = archetype::find (monstername)) == NULL)
802	return;	649	return;
803		650
804	/* find a free square nearby	651	/* find a free square nearby
805	* first we check the closest square for free squares	652	* first we check the closest square for free squares
806	*/	653	*/
807		654
808	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);
809	if (dir != -1)	656	if (dir != -1)
810	{	657	{
811	/* This is basically grabbed for generate monster. Fixed 971225 to	658	/* This is basically grabbed for generate monster. Fixed 971225 to
812	* insert multipart monsters properly	659	* insert multipart monsters properly
813	*/	660	*/
		661	//TODO: use expand_tail + ...
814	while (at != NULL)	662	while (at != NULL)
815	{	663	{
816	tmp = arch_to_object (at);	664	tmp = at->instance ();
817	tmp->x = op->x + freearr_x[dir] + at->clone.x;	665	tmp->x = op->x + freearr_x[dir] + at->x;
818	tmp->y = op->y + freearr_y[dir] + at->clone.y;	666	tmp->y = op->y + freearr_y[dir] + at->y;
819	tmp->map = op->map;	667	tmp->map = op->map;
820	if (head)	668	if (head)
821	{	669	{
822	tmp->head = head;	670	tmp->head = head;
823	prev->more = tmp;	671	prev->more = tmp;
824	}	672	}
		673
825	if (!head)	674	if (!head)
826	head = tmp;	675	head = tmp;
		676
827	prev = tmp;	677	prev = tmp;
		678
828	at = at->more;	679	at = (archetype *)at->more;
829	}	680	}
830		681
831	if (head->randomitems)	682	if (head->randomitems)
832	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	683	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
833		684
834	insert_ob_in_map (head, op->map, op, 0);	685	insert_ob_in_map (head, op->map, op, 0);
835		686
836	/* thought it'd be cool to insert a burnout, too. */	687	/* thought it'd be cool to insert a burnout, too. */
837	tmp = get_archetype ("burnout");	688	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
838	tmp->map = op->map;
839	tmp->x = op->x + freearr_x[dir];
840	tmp->y = op->y + freearr_y[dir];
841	insert_ob_in_map (tmp, op->map, op, 0);
842	}	689	}
843	}	690	}
844		691
845	/* peterm: function which summons hostile monsters and	692	/* peterm: function which summons hostile monsters and
846	* places them in nearby squares.	693	* places them in nearby squares.
…		…
853	* 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
854	* 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
855	* never used. This is however used by various failures on the	702	* never used. This is however used by various failures on the
856	* players part (alchemy, reincarnation, etc)	703	* players part (alchemy, reincarnation, etc)
857	*/	704	*/
858
859	int	705	int
860	summon_hostile_monsters (object *op, int n, const char *monstername)	706	summon_hostile_monsters (object *op, int n, const char *monstername)
861	{	707	{
862	int i;	708	int i;
863		709
…		…
873	{	719	{
874	int attacktype;	720	int attacktype;
875	int face;	721	int face;
876	} ATTACKS[22] =	722	} ATTACKS[22] =
877	{	723	{
878	{
879	AT_PHYSICAL, 0},	724	{ AT_PHYSICAL, 0},
880	{
881	AT_PHYSICAL, 0}, /*face = explosion */	725	{ AT_PHYSICAL, 0}, /*face = explosion */
882	{
883	AT_PHYSICAL, 0},	726	{ AT_PHYSICAL, 0},
884	{
885	AT_MAGIC, 1},	727	{ AT_MAGIC, 1},
886	{
887	AT_MAGIC, 1}, /* face = last-burnout */	728	{ AT_MAGIC, 1}, /* face = last-burnout */
888	{
889	AT_MAGIC, 1},	729	{ AT_MAGIC, 1},
890	{
891	AT_FIRE, 2},	730	{ AT_FIRE, 2},
892	{
893	AT_FIRE, 2}, /* face = fire.... */	731	{ AT_FIRE, 2}, /* face = fire.... */
894	{
895	AT_FIRE, 2},	732	{ AT_FIRE, 2},
896	{
897	AT_ELECTRICITY, 3},	733	{ AT_ELECTRICITY, 3},
898	{
899	AT_ELECTRICITY, 3}, /* ball_lightning */	734	{ AT_ELECTRICITY, 3}, /* ball_lightning */
900	{
901	AT_ELECTRICITY, 3},	735	{ AT_ELECTRICITY, 3},
902	{
903	AT_COLD, 4},	736	{ AT_COLD, 4},
904	{
905	AT_COLD, 4}, /* face=icestorm */	737	{ AT_COLD, 4}, /* face=icestorm */
906	{
907	AT_COLD, 4},	738	{ AT_COLD, 4},
908	{
909	AT_CONFUSION, 5},	739	{ AT_CONFUSION, 5},
910	{
911	AT_POISON, 7},	740	{ AT_POISON, 7},
912	{
913	AT_POISON, 7}, /* face = acid sphere. generator */	741	{ AT_POISON, 7}, /* face = acid sphere. generator */
914	{
915	AT_POISON, 7}, /* poisoncloud face */	742	{ AT_POISON, 7}, /* poisoncloud face */
916	{
917	AT_SLOW, 8},	743	{ AT_SLOW, 8},
918	{
919	AT_PARALYZE, 9},	744	{ AT_PARALYZE, 9},
920	{
921	AT_FEAR, 10}};	745	{ AT_FEAR, 10},
922		746	};
923
924		747
925	/* shuffle_attack: peterm	748	/* shuffle_attack: peterm
926	* This routine shuffles the attack of op to one of the	749	* This routine shuffles the attack of op to one of the
927	* ones in the list. It does this at random. It also	750	* ones in the list. It does this at random. It also
928	* chooses a face appropriate to the attack that is	751	* chooses a face appropriate to the attack that is
…		…
951	{	774	{
952	SET_ANIMATION (op, ATTACKS[i].face);	775	SET_ANIMATION (op, ATTACKS[i].face);
953	}	776	}
954	}	777	}
955		778
956
957	/* prayer_failure: This is called when a player fails	779	/* prayer_failure: This is called when a player fails
958	* at casting a prayer.	780	* at casting a prayer.
959	* op is the player.	781	* op is the player.
960	* failure is basically how much grace they had.	782	* failure is basically how much grace they had.
961	* 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.
962	*/	784	*/
963		785
964	void	786	#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
		787
		788	static void
965	prayer_failure (object *op, int failure, int power)	789	prayer_failure (object *op, int failure, int power)
966	{	790	{
967	const char *godname;	791	const char *godname;
968	object *tmp;	792	object *tmp;
969		793
970	if (!strcmp ((godname = determine_god (op)), "none"))	794	if (!strcmp ((godname = determine_god (op)), "none"))
971	godname = "Your spirit";	795	godname = "Your spirit";
972		796
973	if (failure <= -20 && failure > -40) /* wonder */	797	if (failure <= -20 && failure > -40) /* wonder */
974	{	798	{
975	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	799	op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname);
976	tmp = get_archetype (SPELL_WONDER);	800	tmp = archetype::get (SPELL_WONDER);
977	cast_cone (op, op, 0, tmp);	801	cast_cone (op, op, 0, tmp);
978	free_object (tmp);	802	tmp->destroy ();
979	}	803	}
980		804
981	else if (failure <= -40 && failure > -60) /* confusion */	805	else if (failure <= -40 && failure > -60) /* confusion */
982	{	806	{
983	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	807	op->failmsg ("Your diety touches your mind!" HINT_GRACE);
984	confuse_player (op, op, 99);	808	confuse_player (op, op, 99);
985	}	809	}
986	else if (failure <= -60 && failure > -150) /* paralysis */	810	else if (failure <= -60 && failure > -150) /* paralysis */
987	{	811	{
988	new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname);	812	op->failmsgf ("%s requires you to pray NOW. "
989	new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else.");	813	"You comply, ignoring all else." HINT_GRACE,
		814	godname);
990	paralyze_player (op, op, 99);	815	paralyze_player (op, op, 99);
991	}	816	}
992	else if (failure <= -150) /* blast the immediate area */	817	else if (failure <= -150) /* blast the immediate area */
993	{	818	{
994	tmp = get_archetype (GOD_POWER);	819	tmp = archetype::get (GOD_POWER);
995	new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname);	820	op->failmsgf ("%s smites you!" HINT_GRACE, godname);
996	cast_magic_storm (op, tmp, power);	821	cast_magic_storm (op, tmp, power);
997	}	822	}
998	}	823	}
999		824
1000	/*	825	/*
…		…
1014	if (settings.spell_failure_effects == FALSE)	839	if (settings.spell_failure_effects == FALSE)
1015	return;	840	return;
1016		841
1017	if (failure <= -20 && failure > -40) /* wonder */	842	if (failure <= -20 && failure > -40) /* wonder */
1018	{	843	{
1019	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	844	op->failmsg ("Your spell causes an unexpected effect.");
1020	tmp = get_archetype (SPELL_WONDER);	845	tmp = archetype::get (SPELL_WONDER);
1021	cast_cone (op, op, 0, tmp);	846	cast_cone (op, op, 0, tmp);
1022	free_object (tmp);	847	tmp->destroy ();
1023	}	848	}
1024		849
1025	else if (failure <= -40 && failure > -60) /* confusion */	850	else if (failure <= -40 && failure > -60) /* confusion */
1026	{	851	{
1027	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	852	op->failmsg ("Your magic recoils on you, making you confused!");
1028	confuse_player (op, op, 99);	853	confuse_player (op, op, 99);
1029	}	854	}
1030	else if (failure <= -60 && failure > -80) /* paralysis */	855	else if (failure <= -60 && failure > -80) /* paralysis */
1031	{	856	{
1032	new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!");	857	op->failmsg ("Your magic stuns you!");
1033	paralyze_player (op, op, 99);	858	paralyze_player (op, op, 99);
1034	}	859	}
1035	else if (failure <= -80) /* blast the immediate area */	860	else if (failure <= -80) /* blast the immediate area */
1036	{	861	{
1037	object *tmp;	862	object *tmp;
1038		863
1039	/* Safety check to make sure we don't get any mana storms in scorn */	864	/* Safety check to make sure we don't get any mana storms in scorn */
1040	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)	865	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)
1041	{	866	{
1042	new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!");	867	op->failmsg ("The magic warps and you are turned inside out!");
1043	hit_player (op, 9998, op, AT_INTERNAL, 1);	868	hit_player (op, 9998, op, AT_INTERNAL, 1);
1044		869
1045	}	870	}
1046	else	871	else
1047	{	872	{
1048	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	873	op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!");
1049	tmp = get_archetype (LOOSE_MANA);	874	tmp = archetype::get (LOOSE_MANA);
1050	tmp->level = skill->level;	875	tmp->level = skill->level;
1051	tmp->x = op->x;
1052	tmp->y = op->y;
1053		876
1054	/* increase the area of destruction a little for more powerful spells */	877	/* increase the area of destruction a little for more powerful spells */
1055	tmp->range += isqrt (power);	878	tmp->range += isqrt (power);
1056		879
1057	if (power > 25)	880	if (power > 25)
1058	tmp->stats.dam = 25 + isqrt (power);	881	tmp->stats.dam = 25 + isqrt (power);
1059	else	882	else
1060	tmp->stats.dam = power; /* nasty recoils! */	883	tmp->stats.dam = power; /* nasty recoils! */
1061		884
1062	tmp->stats.maxhp = tmp->count;	885	tmp->stats.maxhp = tmp->count;
1063	insert_ob_in_map (tmp, op->map, NULL, 0);	886
		887	tmp->insert_at (op);
1064	}	888	}
1065	}	889	}
1066	}	890	}
1067		891
1068	int	892	static int
1069	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)
1070	{	894	{
1071	int success;
1072	player *pl;
1073	object *spell;
1074
1075	if (!spell_ob->other_arch)	895	if (!spell_ob->other_arch)
1076	{	896	{
1077	LOG (llevError, "cast_party_spell: empty other arch\n");	897	LOG (llevError, "cast_party_spell: empty other arch\n");
1078	return 0;	898	return 0;
1079	}	899	}
1080	spell = arch_to_object (spell_ob->other_arch);	900
		901	object *spell = spell_ob->other_arch->instance ();
1081		902
1082	/* Always cast spell on caster */	903	/* Always cast spell on caster */
1083	success = cast_spell (op, caster, dir, spell, stringarg);	904	int success = cast_spell (op, caster, dir, spell, spellparam);
1084		905
1085	if (caster->contr->party == NULL)	906	if (!op->contr || !op->contr->party)
1086	{	907	{
1087	remove_ob (spell);	908	spell->remove ();
1088	return success;	909	return success;
1089	}	910	}
1090	for (pl = first_player; pl != NULL; pl = pl->next)	911
1091	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	912	for_all_players (pl)
1092	{	913	if ((pl->ob->contr->party == op->contr->party)
		914	&& on_same_map (pl->ob, op)
		915	&& pl->ob != op)
1093	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	916	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1094	}	917
1095	remove_ob (spell);	918	spell->remove ();
1096	return success;	919	return success;
1097	}	920	}
1098		921
1099	/* This is where the main dispatch when someone casts a spell.	922	/* This is where the main dispatch when someone casts a spell.
1100	*	923	*
…		…
1104	* same as op.	927	* same as op.
1105	* 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
1106	* is self only, dir really doesn't make a difference.	929	* is self only, dir really doesn't make a difference.
1107	* 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,
1108	* we can determine what to do.	931	* we can determine what to do.
1109	* 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
1110	* 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
1111	* 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,
1112	* etc.	935	* etc.
1113	* 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
1114	* 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
…		…
1121	*	944	*
1122	* 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),
1123	* this function will decrease the mana/grace appropriately. For other	946	* this function will decrease the mana/grace appropriately. For other
1124	* objects, the caller should do what it considers appropriate.	947	* objects, the caller should do what it considers appropriate.
1125	*/	948	*/
1126
1127	int	949	int
1128	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)
1129	{	951	{
1130
1131	const char *godname;	952	const char *godname;
1132	int success = 0, mflags, cast_level = 0, old_shoottype;	953	int success = 0;
1133	object *skill = NULL;
1134		954
1135	old_shoottype = op->contr ? op->contr->shoottype : 0;	955	// make sure spells always take a while, so a) we don't flood the
		956	// user with messages and b) too many failures can be harmful (smiting).
		957	op->speed_left -= 4 * op->speed; // ~0.5s on failure
1136		958
1137	if (!spell_ob)	959	if (!spell_ob)
1138	{	960	{
1139	LOG (llevError, "cast_spell: null spell object passed\n");	961	LOG (llevError, "cast_spell: null spell object passed\n");
1140	return 0;	962	return 0;
1141	}	963	}
		964
1142	if (!strcmp ((godname = determine_god (op)), "none"))	965	if (!strcmp ((godname = determine_god (op)), "none"))
1143	godname = "A random spirit";	966	godname = "A random spirit";
1144		967
1145	/* the caller should set caster to op if appropriate */	968	/* the caller should set caster to op if appropriate */
1146	if (!caster)	969	if (!caster)
…		…
1150	}	973	}
1151		974
1152	/* if caster is a spell casting object, this normally shouldn't be	975	/* if caster is a spell casting object, this normally shouldn't be
1153	* an issue, because they don't have any spellpaths set up.	976	* an issue, because they don't have any spellpaths set up.
1154	*/	977	*/
1155	if (caster->path_denied & spell_ob->path_attuned)	978	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1156	{	979	{
1157	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	980	op->failmsg ("That spell path is denied to you.");
1158	return 0;	981	return 0;
1159	}	982	}
		983
		984	object *skill = 0;
1160		985
1161	/* if it is a player casting the spell, and they are really casting it	986	/* if it is a player casting the spell, and they are really casting it
1162	* (vs it coming from a wand, scroll, or whatever else), do some	987	* (vs it coming from a wand, scroll, or whatever else), do some
1163	* checks. We let monsters do special things - eg, they	988	* checks. We let monsters do special things - eg, they
1164	* don't need the skill, bypass level checks, etc. The monster function	989	* don't need the SKILL, BYpass level checks, etc. The monster function
1165	* should take care of that.	990	* should take care of that.
1166	* Remove the wiz check here and move it further down - some spells	991	* Remove the wiz check here and move it further down - some spells
1167	* need to have the right skill pointer passed, so we need to	992	* need to have the right skill pointer passed, so we need to
1168	* at least process that code.	993	* at least process that code.
1169	*/	994	*/
1170	if (op->type == PLAYER && op == caster)	995	if (op->type == PLAYER && op == caster)
1171	{	996	{
1172	cast_level = caster_level (caster, spell_ob);
1173	if (spell_ob->skill)	997	if (spell_ob->skill)
1174	{	998	{
1175	skill = find_skill_by_name (op, spell_ob->skill);	999	skill = find_skill_by_name (op, spell_ob->skill);
		1000
1176	if (!skill)	1001	if (!skill)
1177	{	1002	{
1178	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	1003	op->failmsgf ("You need the %s skill to cast %s! "
		1004	"H<You either need to learn the skill via a skill scroll "
		1005	"or you need to wear a talisman, holy symbol or another skill tool.>",
		1006	&spell_ob->skill, &spell_ob->name);
1179	return 0;	1007	return 0;
1180	}	1008	}
1181	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1009
		1010	const char *msg = "";
		1011
		1012	int caster_level = skill->level;
		1013
		1014	if (op->path_attuned & spell_ob->path_attuned)
1182	{	1015	{
1183	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1016	caster_level += min (caster_level, ATTUNE_REPELL);
		1017	msg = " (attuned)";
		1018	}
		1019
		1020	if (op->path_repelled & spell_ob->path_attuned)
		1021	{
		1022	caster_level -= ATTUNE_REPELL; // negative is ok
		1023	msg = " (repelled)";
		1024	}
		1025
		1026	if (spell_ob->level > caster_level)
		1027	{
		1028	op->failmsgf ("You lack enough skill to cast that spell! "
		1029	"H<Your effective cast level is %d%s, but level %d is required.>",
		1030	caster_level, msg, spell_ob->level);
		1031	if (!op->is_wiz ())
1184	return 0;	1032	return 0;
1185	}	1033	}
1186	}	1034	}
		1035
1187	/* If the caster is the wiz, they don't ever fail, and don't have	1036	/* If the caster is the wiz, they don't ever fail, and don't have
1188	* to have sufficient grace/mana.	1037	* to have sufficient grace/mana.
1189	*/	1038	*/
1190	if (!QUERY_FLAG (op, FLAG_WIZ))	1039	if (!op->flag [FLAG_WIZCAST])
1191	{	1040	{
1192	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1041	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1193	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1042	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1194	{	1043	{
1195	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1044	op->failmsg ("You don't have enough mana!");
1196	return 0;	1045	return 0;
1197	}	1046	}
		1047
1198	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1048	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1199	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1049	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1200	{	1050	{
1201	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1051	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1202	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1052	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1203	{
1204	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1053	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1205	}
1206	else	1054	else
1207	{	1055	{
1208	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1056	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1209	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1057	op->failmsgf ("%s ignores your prayer.", godname);
1210	return 0;	1058	return 0;
1211	}	1059	}
1212	}	1060	}
1213		1061
1214	/* player/monster is trying to cast the spell. might fumble it */	1062	/* player/monster is trying to cast the spell. might fumble it */
1215	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1063	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1216	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1064	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1217	{	1065	{
1218	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1066	op->contr->play_sound (sound_find ("fumble_spell"));
1219	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1067	op->failmsg ("You fumble the prayer.");
1220	if (settings.casting_time == TRUE)	1068
1221	{
1222	op->casting_time = -1;
1223	}
1224	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1069	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1225	return 0;	1070	return 0;
1226	}	1071	}
1227	else if (spell_ob->stats.sp)	1072	else if (spell_ob->stats.sp)
1228	{	1073	{
1229	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1074	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1230		1075
1231	if (failure < 0)	1076	if (failure < 0)
1232	{	1077	{
1233	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1078	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1234	if (settings.spell_failure_effects == TRUE)	1079	if (settings.spell_failure_effects == TRUE)
1235	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1080	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1236	op->contr->shoottype = (rangetype) old_shoottype;	1081
1237	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1082	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1238	return 0;	1083	return 0;
1239	}	1084	}
1240	}	1085	}
1241	}	1086	}
1242	}	1087	}
1243		1088
1244	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1089	int mflags = op->ms ().flags ();
1245		1090
1246	/* See if we can cast a spell here. If the caster and op are	1091	/* See if we can cast a spell here. If the caster and op are
1247	* not alive, then this would mean that the mapmaker put the	1092	* not alive, then this would mean that the mapmaker put the
1248	* objects on the space - presume that they know what they are	1093	* objects on the space - presume that they know what they are
1249	* doing.	1094	* doing.
1250	*/	1095	*/
1251		1096
1252	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1097	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1253	{	1098	{
		1099	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1254	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1100	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1255	return 0;	1101	return 0;
1256	}	1102	}
1257		1103
1258	if ((spell_ob->type == SPELL)	1104	if ((spell_ob->type == SPELL)
1259	&& (caster->type != POTION)	1105	&& (caster->type != POTION)
1260	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1106	&& !op->flag [FLAG_WIZCAST]
1261	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1107	&& (caster->flag [FLAG_ALIVE]
1262	|| QUERY_FLAG (op, FLAG_ALIVE))	1108	|| op->flag [FLAG_ALIVE])
1263	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1109	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1264	{	1110	{
1265	if (op->type != PLAYER)	1111	if (op->type != PLAYER)
1266	return 0;	1112	return 0;
1267		1113
1268	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1114	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1269	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1115	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1270	else	1116	else if (object *item = op->contr->ranged_ob)
1271	switch (op->contr->shoottype)
1272	{	1117	{
1273	case range_magic:	1118	if (item->type == SPELL)
1274	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1119	op->failmsg ("Something blocks your spellcasting.");
1275	break;	1120	else if (item->type == SCROLL)
1276	case range_misc:	1121	op->failmsg ("Something blocks the magic of your scroll.");
1277	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1278	break;
1279	case range_golem:
1280	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1281	break;
1282	default:
1283	break;
1284	}
1285	return 0;
1286	}
1287
1288	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1289	{
1290	if (op->casting_time == -1)
1291	{ /* begin the casting */
1292	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1293	op->spell = spell_ob;
1294	/* put the stringarg into the object struct so that when the
1295	* spell is actually cast, it knows about the stringarg.
1296	* necessary for the invoke command spells.
1297	*/
1298	if (stringarg)
1299	{
1300	op->spellarg = strdup_local (stringarg);
1301	}
1302	else	1122	else
1303	op->spellarg = NULL;	1123	op->failmsg ("Something blocks the magic of your item.");
1304	return 0;
1305	}
1306	else if (op->casting_time != 0)
1307	{
1308	if (op->type == PLAYER)
1309	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1310	return 0;
1311	}	1124	}
1312	else	1125	else
1313	{ /* casting_time == 0 */	1126	op->failmsg ("Something blocks the spell!");
1314	op->casting_time = -1;	1127
1315	spell_ob = op->spell;	1128	return 0;
1316	stringarg = op->spellarg;
1317	}
1318	}
1319	else
1320	{	1129	}
		1130
		1131	// undo the flood protection from earlier
		1132	op->speed_left += 4 * op->speed; // ~0.5s on failure
		1133
1321	/* Take into account how long it takes to cast the spell.	1134	/* Take into account how long it takes to cast the spell.
1322	* if the player is casting it, then we use the time in	1135	* if the player is casting it, then we use the time in
1323	* the spell object. If it is a spell object, have it	1136	* the spell object. If it is a spell object, have it
1324	* take two ticks. Things that cast spells on the players	1137	* take two ticks. Things that cast spells on the players
1325	* behalf (eg, altars, and whatever else) shouldn't cost	1138	* behalf (eg, altars, and whatever else) shouldn't cost
1326	* the player any time.	1139	* the player any time.
1327	* Ignore casting time for firewalls	1140	* Ignore casting time for firewalls
		1141	*/
		1142	if (caster == op && caster->type != FIREWALL)
		1143	{
		1144	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1145	/* Other portions of the code may also decrement the speed of the player, so
		1146	* put a lower limit so that the player isn't stuck here too long
1328	*/	1147	*/
1329	if (caster == op && caster->type != FIREWALL)
1330	{
1331	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1332	/* Other portions of the code may also decrement the speed of the player, so
1333	* put a lower limit so that the player isn't stuck here too long
1334	*/
1335	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1148	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1336	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1149	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1337	}	1150	}
1338	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1151	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1339	{
1340	op->speed_left -= 2 * FABS (op->speed);	1152	op->speed_left -= 2 * op->speed;
1341	}
1342	}
1343		1153
1344	if (op->type == PLAYER && op == caster)	1154	if (op->type == PLAYER && op == caster)
1345	{	1155	{
1346	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1156	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1347	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1157	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1352	* object requires.	1162	* object requires.
1353	*/	1163	*/
1354	if (op != caster && !skill && caster->skill)	1164	if (op != caster && !skill && caster->skill)
1355	{	1165	{
1356	skill = find_skill_by_name (op, caster->skill);	1166	skill = find_skill_by_name (op, caster->skill);
		1167
1357	if (!skill)	1168	if (!skill)
1358	{	1169	{
1359	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1170	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1360	return 0;	1171	return 0;
1361	}	1172	}
1362	change_skill (op, skill, 0); /* needed for proper exp credit */
1363	}	1173	}
		1174
		1175	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1176	return RESULT_INT (0);
		1177
		1178	// temporaroly replace chosen_skill by skill, we assume skill *could* be applied,
		1179	// at least temporarily, which might not be true due to slot restrictions, but hey
		1180	// invoke requires it basically.
		1181
		1182	object *chosen_skill = op->chosen_skill;
		1183	op->chosen_skill = skill;
1364		1184
1365	switch (spell_ob->subtype)	1185	switch (spell_ob->subtype)
1366	{	1186	{
1367	/* The order of case statements is same as the order they show up	1187	/* The order of case statements is same as the order they show up
1368	* in in spells.h.	1188	* in spells.h.
1369	*/	1189	*/
1370	case SP_RAISE_DEAD:	1190	case SP_RAISE_DEAD:
1371	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1191	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1372	break;	1192	break;
1373		1193
1374	case SP_RUNE:	1194	case SP_RUNE:
1375	success = write_rune (op, caster, spell_ob, dir, stringarg);	1195	success = write_rune (op, caster, spell_ob, dir, spellparam);
1376	break;	1196	break;
1377		1197
1378	case SP_MAKE_MARK:	1198	case SP_MAKE_MARK:
1379	success = write_mark (op, spell_ob, stringarg);	1199	success = write_mark (op, spell_ob, spellparam);
1380	break;	1200	break;
1381		1201
1382	case SP_BOLT:	1202	case SP_BOLT:
1383	success = fire_bolt (op, caster, dir, spell_ob, skill);	1203	success = fire_bolt (op, caster, dir, spell_ob, skill);
1384	break;	1204	break;
1385		1205
1386	case SP_BULLET:	1206	case SP_BULLET:
1387	success = fire_bullet (op, caster, dir, spell_ob);	1207	success = fire_bullet (op, caster, dir, spell_ob);
1388	break;	1208	break;
1389		1209
1390	case SP_CONE:	1210	case SP_CONE:
1391	success = cast_cone (op, caster, dir, spell_ob);	1211	success = cast_cone (op, caster, dir, spell_ob);
1392	break;	1212	break;
1393		1213
1394	case SP_BOMB:	1214	case SP_BOMB:
1395	success = create_bomb (op, caster, dir, spell_ob);	1215	success = create_bomb (op, caster, dir, spell_ob);
1396	break;	1216	break;
1397		1217
1398	case SP_WONDER:	1218	case SP_WONDER:
1399	success = cast_wonder (op, caster, dir, spell_ob);	1219	success = cast_wonder (op, caster, dir, spell_ob);
1400	break;	1220	break;
1401		1221
1402	case SP_SMITE:	1222	case SP_SMITE:
1403	success = cast_smite_spell (op, caster, dir, spell_ob);	1223	success = cast_smite_spell (op, caster, dir, spell_ob);
1404	break;	1224	break;
1405		1225
1406	case SP_MAGIC_MISSILE:	1226	case SP_MAGIC_MISSILE:
1407	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1227	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1408	break;	1228	break;
1409		1229
1410	case SP_SUMMON_GOLEM:	1230	case SP_SUMMON_GOLEM:
1411	success = summon_golem (op, caster, dir, spell_ob);	1231	success = summon_golem (op, caster, dir, spell_ob);
1412	old_shoottype = range_golem;
1413	break;	1232	break;
1414		1233
1415	case SP_DIMENSION_DOOR:	1234	case SP_DIMENSION_DOOR:
1416	/* dimension door needs the actual caster, because that is what is	1235	/* dimension door needs the actual caster, because that is what is
1417	* moved.	1236	* moved.
1418	*/	1237	*/
1419	success = dimension_door (op, caster, spell_ob, dir);	1238	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1420	break;	1239	break;
1421		1240
1422	case SP_MAGIC_MAPPING:	1241	case SP_MAGIC_MAPPING:
1423	if (op->type == PLAYER)	1242	if (op->type == PLAYER)
1424	{	1243	{
1425	spell_effect (spell_ob, op->x, op->y, op->map, op);	1244	spell_effect (spell_ob, op->x, op->y, op->map, op);
1426	draw_magic_map (op);	1245	draw_magic_map (op);
1427	success = 1;	1246	success = 1;
1428	}	1247	}
1429	else	1248	else
		1249	success = 0;
		1250	break;
		1251
		1252	case SP_MAGIC_WALL:
		1253	success = magic_wall (op, caster, dir, spell_ob);
		1254	break;
		1255
		1256	case SP_DESTRUCTION:
		1257	success = cast_destruction (op, caster, spell_ob);
		1258	break;
		1259
		1260	case SP_PERCEIVE_SELF:
		1261	success = perceive_self (op);
		1262	break;
		1263
		1264	case SP_WORD_OF_RECALL:
		1265	success = cast_word_of_recall (op, caster, spell_ob);
		1266	break;
		1267
		1268	case SP_INVISIBLE:
		1269	success = cast_invisible (op, caster, spell_ob);
		1270	break;
		1271
		1272	case SP_PROBE:
		1273	success = probe (op, caster, spell_ob, dir);
		1274	break;
		1275
		1276	case SP_HEALING:
		1277	success = cast_heal (op, caster, spell_ob, dir);
		1278	break;
		1279
		1280	case SP_CREATE_FOOD:
		1281	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
		1282	break;
		1283
		1284	case SP_EARTH_TO_DUST:
		1285	success = cast_earth_to_dust (op, caster, spell_ob);
		1286	break;
		1287
		1288	case SP_CHANGE_ABILITY:
		1289	success = cast_change_ability (op, caster, spell_ob, dir, 0);
		1290	break;
		1291
		1292	case SP_BLESS:
		1293	success = cast_bless (op, caster, spell_ob, dir);
		1294	break;
		1295
		1296	case SP_CURSE:
		1297	success = cast_curse (op, caster, spell_ob, dir);
		1298	break;
		1299
		1300	case SP_SUMMON_MONSTER:
		1301	success = summon_object (op, caster, spell_ob, dir, spellparam);
		1302	break;
		1303
		1304	case SP_CHARGING:
		1305	success = recharge (op, caster, spell_ob);
		1306	break;
		1307
		1308	case SP_POLYMORPH:
		1309	#ifdef NO_POLYMORPH
		1310	/* Not great, but at least provide feedback so if players do have
		1311	* polymorph (ie, find it as a preset item or left over from before
		1312	* it was disabled), they get some feedback.
		1313	*/
		1314	op->failmsg ("The spell fizzles!");
		1315	success = 0;
		1316	#else
		1317	success = cast_polymorph (op, caster, spell_ob, dir);
		1318	#endif
		1319	break;
		1320
		1321	case SP_ALCHEMY:
		1322	success = alchemy (op, caster, spell_ob);
		1323	break;
		1324
		1325	case SP_REMOVE_CURSE:
		1326	success = remove_curse (op, caster, spell_ob);
		1327	break;
		1328
		1329	case SP_IDENTIFY:
		1330	success = cast_identify (op, caster, spell_ob);
		1331	break;
		1332
		1333	case SP_DETECTION:
		1334	success = cast_detection (op, caster, spell_ob, skill);
		1335	break;
		1336
		1337	case SP_MOOD_CHANGE:
		1338	success = mood_change (op, caster, spell_ob);
		1339	break;
		1340
		1341	case SP_MOVING_BALL:
		1342	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
		1343	{
		1344	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1430	success = 0;	1345	success = 0;
		1346	}
		1347	else
		1348	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1431	break;	1349	break;
1432		1350
1433	case SP_MAGIC_WALL:
1434	success = magic_wall (op, caster, dir, spell_ob);
1435	break;
1436
1437	case SP_DESTRUCTION:
1438	success = cast_destruction (op, caster, spell_ob);
1439	break;
1440
1441	case SP_PERCEIVE_SELF:
1442	success = perceive_self (op);
1443	break;
1444
1445	case SP_WORD_OF_RECALL:
1446	success = cast_word_of_recall (op, caster, spell_ob);
1447	break;
1448
1449	case SP_INVISIBLE:
1450	success = cast_invisible (op, caster, spell_ob);
1451	break;
1452
1453	case SP_PROBE:
1454	success = probe (op, caster, spell_ob, dir);
1455	break;
1456
1457	case SP_HEALING:
1458	success = cast_heal (op, caster, spell_ob, dir);
1459	break;
1460
1461	case SP_CREATE_FOOD:
1462	success = cast_create_food (op, caster, spell_ob, dir, stringarg);
1463	break;
1464
1465	case SP_EARTH_TO_DUST:
1466	success = cast_earth_to_dust (op, caster, spell_ob);
1467	break;
1468
1469	case SP_CHANGE_ABILITY:
1470	success = cast_change_ability (op, caster, spell_ob, dir, 0);
1471	break;
1472
1473	case SP_BLESS:
1474	success = cast_bless (op, caster, spell_ob, dir);
1475	break;
1476
1477	case SP_CURSE:
1478	success = cast_curse (op, caster, spell_ob, dir);
1479	break;
1480
1481	case SP_SUMMON_MONSTER:
1482	success = summon_object (op, caster, spell_ob, dir, stringarg);
1483	break;
1484
1485	case SP_CHARGING:
1486	success = recharge (op, caster, spell_ob);
1487	break;
1488
1489	case SP_POLYMORPH:
1490	#ifdef NO_POLYMORPH
1491	/* Not great, but at least provide feedback so if players do have
1492	* polymorph (ie, find it as a preset item or left over from before
1493	* it was disabled), they get some feedback.
1494	*/
1495	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");
1496	success = 0;
1497	#else
1498	success = cast_polymorph (op, caster, spell_ob, dir);
1499	#endif
1500	break;
1501
1502	case SP_ALCHEMY:
1503	success = alchemy (op, caster, spell_ob);
1504	break;
1505
1506	case SP_REMOVE_CURSE:
1507	success = remove_curse (op, caster, spell_ob);
1508	break;
1509
1510	case SP_IDENTIFY:
1511	success = cast_identify (op, caster, spell_ob);
1512	break;
1513
1514	case SP_DETECTION:
1515	success = cast_detection (op, caster, spell_ob, skill);
1516	break;
1517
1518	case SP_MOOD_CHANGE:
1519	success = mood_change (op, caster, spell_ob);
1520	break;
1521
1522	case SP_MOVING_BALL:
1523	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1524	{
1525	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);
1526	success = 0;
1527	}
1528	else
1529	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);
1530	break;
1531
1532	case SP_SWARM:	1351	case SP_SWARM:
1533	success = fire_swarm (op, caster, spell_ob, dir);	1352	success = fire_swarm (op, caster, spell_ob, dir);
1534	break;	1353	break;
1535		1354
1536	case SP_CHANGE_MANA:	1355	case SP_CHANGE_MANA:
1537	success = cast_transfer (op, caster, spell_ob, dir);	1356	success = cast_transfer (op, caster, spell_ob, dir);
1538	break;	1357	break;
1539		1358
1540	case SP_DISPEL_RUNE:	1359	case SP_DISPEL_RUNE:
1541	/* in rune.c */	1360	/* in rune.c */
1542	success = dispel_rune (op, caster, spell_ob, skill, dir);	1361	success = dispel_rune (op, caster, spell_ob, skill, dir);
1543	break;	1362	break;
1544		1363
1545	case SP_CREATE_MISSILE:	1364	case SP_CREATE_MISSILE:
1546	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1365	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1547	break;	1366	break;
1548		1367
1549	case SP_CONSECRATE:	1368	case SP_CONSECRATE:
1550	success = cast_consecrate (op, caster, spell_ob);	1369	success = cast_consecrate (op, caster, spell_ob);
1551	break;	1370	break;
1552		1371
1553	case SP_ANIMATE_WEAPON:	1372	case SP_ANIMATE_WEAPON:
1554	success = animate_weapon (op, caster, spell_ob, dir);	1373	success = animate_weapon (op, caster, spell_ob, dir);
1555	old_shoottype = range_golem;
1556	break;	1374	break;
1557		1375
1558	case SP_LIGHT:	1376	case SP_LIGHT:
1559	success = cast_light (op, caster, spell_ob, dir);	1377	success = cast_light (op, caster, spell_ob, dir);
1560	break;	1378	break;
1561		1379
1562	case SP_CHANGE_MAP_LIGHT:	1380	case SP_CHANGE_MAP_LIGHT:
1563	success = cast_change_map_lightlevel (op, caster, spell_ob);	1381	success = cast_change_map_lightlevel (op, caster, spell_ob);
1564	break;	1382	break;
1565		1383
1566	case SP_FAERY_FIRE:	1384	case SP_FAERY_FIRE:
1567	success = cast_destruction (op, caster, spell_ob);	1385	success = cast_destruction (op, caster, spell_ob);
1568	break;	1386	break;
1569		1387
1570	case SP_CAUSE_DISEASE:	1388	case SP_CAUSE_DISEASE:
1571	success = cast_cause_disease (op, caster, spell_ob, dir);	1389	success = cast_cause_disease (op, caster, spell_ob, dir);
1572	break;	1390	break;
1573		1391
1574	case SP_AURA:	1392	case SP_AURA:
1575	success = create_aura (op, caster, spell_ob);	1393	success = create_aura (op, caster, spell_ob);
1576	break;	1394	break;
1577		1395
1578	case SP_TOWN_PORTAL:
1579	success = cast_create_town_portal (op, caster, spell_ob, dir);
1580	break;
1581
1582	case SP_PARTY_SPELL:	1396	case SP_PARTY_SPELL:
1583	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1397	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1584	break;	1398	break;
1585		1399
1586	default:	1400	default:
1587	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1588	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1401	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1589
1590
1591	}
1592
1593	/* FIXME - we need some better sound suppport */
1594	// yes, for example, augment map info with the spell effect
1595	// so clients can calculate the sounds themselves
1596	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1597
1598	/* free the spell arg */
1599	if (settings.casting_time == TRUE && stringarg)
1600	{	1402	}
1601	free (stringarg);	1403
1602	stringarg = NULL;	1404	// restore chosen_skill
1603	}	1405	op->chosen_skill = chosen_skill;
1604	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1406
1605	* to something like use_magic_item, but you really want to be able to fire	1407	op->play_sound (
1606	* it again.	1408	success
1607	*/	1409	? spell_ob->sound
1608	if (op->contr)	1410	? spell_ob->sound
1609	op->contr->shoottype = (rangetype) old_shoottype;	1411	: sound_find ("spell_success")
		1412	: sound_find ("fumble_spell")
		1413	);
1610		1414
1611	return success;	1415	return success;
1612	}	1416	}
1613		1417
1614
1615	/* This is called from time.c/process_object(). That function	1418	/* This is called from time.c/process_object(). That function
1616	* calls this for any SPELL_EFFECT type objects. This function	1419	* calls this for any SPELL_EFFECT type objects. This function
1617	* then dispatches them to the appropriate specific routines.	1420	* then dispatches them to the appropriate specific routines.
1618	*/	1421	*/
1619	void	1422	void
1620	move_spell_effect (object *op)	1423	move_spell_effect (object *op)
1621	{	1424	{
1622
1623	switch (op->subtype)	1425	switch (op->subtype)
1624	{	1426	{
1625	case SP_BOLT:	1427	case SP_BOLT:
1626	move_bolt (op);	1428	move_bolt (op);
1627	break;	1429	break;
1628		1430
1629	case SP_BULLET:	1431	case SP_BULLET:
1630	move_bullet (op);	1432	move_bullet (op);
1631	break;	1433	break;
1632		1434
1633	case SP_EXPLOSION:	1435	case SP_EXPLOSION:
1634	explosion (op);	1436	explosion (op);
1635	break;	1437	break;
1636		1438
1637	case SP_CONE:	1439	case SP_CONE:
1638	move_cone (op);	1440	move_cone (op);
1639	break;	1441	break;
1640		1442
1641	case SP_BOMB:	1443	case SP_BOMB:
1642	animate_bomb (op);	1444	animate_bomb (op);
1643	break;	1445	break;
1644		1446
1645	case SP_MAGIC_MISSILE:	1447	case SP_MAGIC_MISSILE:
1646	move_missile (op);	1448	move_missile (op);
1647	break;	1449	break;
1648		1450
1649	case SP_WORD_OF_RECALL:	1451	case SP_WORD_OF_RECALL:
1650	execute_word_of_recall (op);	1452	execute_word_of_recall (op);
1651	break;	1453	break;
1652		1454
1653	case SP_MOVING_BALL:	1455	case SP_MOVING_BALL:
1654	move_ball_spell (op);	1456	move_ball_spell (op);
1655	break;	1457	break;
1656		1458
1657	case SP_SWARM:	1459	case SP_SWARM:
1658	move_swarm_spell (op);	1460	move_swarm_spell (op);
1659	break;	1461	break;
1660		1462
1661	case SP_AURA:	1463	case SP_AURA:
1662	move_aura (op);	1464	move_aura (op);
1663	break;	1465	break;
1664
1665	}
1666	}
1667
1668	/* this checks to see if something special should happen if
1669	* something runs into the object.
1670	*/
1671	void
1672	check_spell_effect (object *op)
1673	{
1674
1675	switch (op->subtype)
1676	{	1466	}
1677	case SP_BOLT:
1678	move_bolt (op);
1679	return;
1680
1681	case SP_BULLET:
1682	check_bullet (op);
1683	return;
1684	}
1685
1686	}	1467	}
1687		1468
1688	/* This is called by move_apply. Basically, if someone	1469	/* This is called by move_apply. Basically, if someone
1689	* moves onto a spell effect and the walk_on or fly_on flags	1470	* moves onto a spell effect and the walk_on or fly_on flags
1690	* are set, this is called. This should only be called for	1471	* are set, this is called. This should only be called for
1691	* objects of the appropraite type.	1472	* objects of the appropriate type.
1692	*/	1473	*/
1693	void	1474	void
1694	apply_spell_effect (object *spell, object *victim)	1475	apply_spell_effect (object *spell, object *victim)
1695	{	1476	{
1696	switch (spell->subtype)	1477	switch (spell->subtype)
1697	{	1478	{
1698	case SP_CONE:	1479	case SP_CONE:
1699	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1480	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1700	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1481	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1701	break;	1482	break;
1702		1483
1703	case SP_MAGIC_MISSILE:	1484	case SP_MAGIC_MISSILE:
1704	if (QUERY_FLAG (victim, FLAG_ALIVE))	1485	if (victim->flag [FLAG_ALIVE])
1705	{	1486	{
1706	tag_t spell_tag = spell->count;
1707
1708	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1709	if (!was_destroyed (spell, spell_tag))
1710	{
1711	remove_ob (spell);
1712	free_object (spell);
1713	}
1714	}
1715	break;
1716
1717	case SP_MOVING_BALL:
1718	if (QUERY_FLAG (victim, FLAG_ALIVE))
1719	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1487	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1720	else if (victim->material || victim->materialname)	1488	spell->destroy ();
		1489	}
		1490	break;
		1491
		1492	case SP_MOVING_BALL:
		1493	if (victim->flag [FLAG_ALIVE])
		1494	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
		1495	else if (victim->material != MATERIAL_NULL)
1721	save_throw_object (victim, spell->attacktype, spell);	1496	save_throw_object (victim, spell->attacktype, spell);
		1497
1722	break;	1498	break;
1723	}	1499	}
1724	}	1500	}
		1501
		1502	/**
		1503	* This function will let a fireball explode at the position of
		1504	* the victim with a specific maximum level.
		1505	*/
		1506	void
		1507	create_exploding_ball_at (object *victim, int level)
		1508	{
		1509	object *ball = archetype::get (EXPLODING_FIREBALL);
		1510	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1511	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1512	ball->insert_at (victim);
		1513	}

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