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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.42 by root, Mon Apr 30 04:25:30 2007 UTC vs.
Revision 1.127 by root, Sun Nov 25 14:59:25 2012 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	17	*
		18	* You should have received a copy of the Affero GNU General Public License
		19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
		21	*
22	* 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>
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>
…		…
34	/* This returns a random spell from 'ob'. If skill is set, then	34	/* This returns a random spell from 'ob'. If skill is set, then
35	* the spell must be of this skill, it can be NULL in which case all	35	* the spell must be of this skill, it can be NULL in which case all
36	* matching spells are used.	36	* matching spells are used.
37	*/	37	*/
38	object *	38	object *
39	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
40	{	40	{
41	int k = 0, s;	41	int k = 0, s;
42	object *tmp;
43		42
44	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
45	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
46	k++;	45	k++;
47		46
48	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
49	if (!k)	48	if (!k)
50	return NULL;	49	return NULL;
51		50
52	s = RANDOM () % k;	51	s = rndm (k);
53		52
54	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
55	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
56	{
57	if (!s)	55	if (!s)
58	return tmp;	56	return tmp;
59	else	57	else
60	s--;	58	s--;
61	}	59
62	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
63	return NULL;	61	return 0;
64	}	62	}
65		63
66	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
67	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
68	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
78	dest->skill = spob->skill;	76	dest->skill = spob->skill;
79	else	77	else
80	dest->skill = caster->skill;	78	dest->skill = caster->skill;
81	}	79	}
82		80
83	/* init_spells: This should really be called check_spells, as that
84	* is what it does. It goes through the spells looking for any
85	* obvious errors. This was most useful in debugging when re-doing
86	* all the spells to catch simple errors. To use it all the time
87	* will result in it spitting out messages that aren't really errors.
88	*/
89	void
90	init_spells (void)
91	{
92	#ifdef SPELL_DEBUG
93	static int init_spells_done = 0;
94	int i;
95	archetype *at;
96
97	if (init_spells_done)
98	return;
99	LOG (llevDebug, "Checking spells...\n");
100
101	for (at = first_archetype; at; at = at->next)
102	{
103	if (at->clone.type == SPELL)
104	{
105	if (at->clone.skill)
106	{
107	for (i = 1; i < NUM_SKILLS; i++)
108	if (!strcmp (skill_names[i], at->clone.skill))
109	break;
110	if (i == NUM_SKILLS)
111	{
112	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
113	}
114	}
115	/* other_arch is already checked for in the loader */
116	}
117	}
118
119	i = 0;
120	while (spell_mapping[i])
121	{
122	if (!archetype::find (spell_mapping[i]))
123	{
124	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
125	}
126	i++;
127	}
128	LOG (llevDebug, "Checking spells completed.\n");
129	#endif
130	}
131
132	/* Dumps all the spells - now also dumps skill associated with the spell.
133	* not sure what this would be used for, as the data seems pretty
134	* minimal, but easy enough to keep around.
135	*/
136	void
137	dump_spells (void)
138	{
139	archetype *at;
140
141	for (at = first_archetype; at; at = at->next)
142	{
143	if (at->clone.type == SPELL)
144	{
145	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
146	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
147	}
148	}
149	}
150
151	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
152	* an object, sets the x,y, and calls insert_ob_in_map	82	* an object, sets the x,y, and calls insert_ob_in_map
153	*/	83	*/
154	void	84	void
155	spell_effect (object *spob, int x, int y, maptile *map, object *originator)	85	spell_effect (object *spob, int x, int y, maptile *map, object *originator)
156	{	86	{
157	if (spob->other_arch)	87	if (spob->other_arch)
158	map->insert (arch_to_object (spob->other_arch), x, y, originator);	88	map->insert (spob->other_arch->instance (), x, y, originator);
159	}	89	}
160		90
161	/*	91	static int
162	* This function takes a caster and spell and presents the	92	attuned_bonus (object *caster, object *spell, int level)
163	* effective level the caster needs to be to cast the spell.
164	* basically, it just adjusts the spell->level with attuned/repelled
165	* spellpaths. Was called path_level_mod.
166	*
167	* caster is person casting the spell.
168	* spell is the spell object.
169	* Returns modified level.
170	*/
171	int
172	min_casting_level (object *caster, object *spell)
173	{	93	{
174	int new_level;	94	// compute the attuned/repelled bonus
175		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
176	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
177	return 1;	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
178
179	new_level = spell->level
180	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
181	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
182
183	return max (1, new_level);
184	}	99	}
185		100
186	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
187	* is being cast at.	102	* is being cast at.
188	* Note that I changed the repelled/attuned bonus to 2 from 5.
189	* This is because the new code compares casting_level against
190	* min_caster_level, so the difference is effectively 4
191	*/	103	*/
192	int	104	int
193	caster_level (object *caster, object *spell)	105	casting_level (object *caster, object *spell)
194	{	106	{
195	int level = caster->level;	107	int level = caster->level;
196
197	/* If this is a player, try to find the matching skill */
198	if (caster->type == PLAYER && spell->skill)
199	for (int i = 0; i < NUM_SKILLS; i++)
200	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
201	{
202	level = caster->contr->last_skill_ob[i]->level;
203	break;
204	}
205		108
206	/* 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. */
207	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
208	{	111	{
209	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);
210	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
211		114
212	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
213	}	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;
214		120
215	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
216	level += caster->path_repelled & spell->path_attuned ? -2 : 0;	122
217	level += caster->path_attuned & spell->path_attuned ? +2 : 0;	123	level += bonus;
		124
		125	// now scale the effective level from the startinglevel..100 range to 1..100
		126	if (level < 100)
		127	level = lerp (level, (int)spell->level, 100, 1, 100);
218		128
219	/* Always make this at least 1. If this is zero, we get divide by zero	129	/* Always make this at least 1. If this is zero, we get divide by zero
220	* errors in various places.	130	* errors in various places.
221	*/	131	*/
222	return max (level, 1);	132	return clamp (level, 1, settings.max_level);
223	}	133	}
224		134
225	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
226	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
227	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
231	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
232	* spell is the spell object.	142	* spell is the spell object.
233	* 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
234	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
235	*/	145	*/
236
237	sint16	146	sint16
238	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
239	{	148	{
240	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
241		150
242	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
243	{	152	{
244	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
245	{
246	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));
247	}
248	else	155	else
249	sp = spell->stats.sp;	156	sp = spell->stats.sp;
250		157
251	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
252	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
253	sp = 1;	160	sp = 1;
254		161
255	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
256	{
257	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));
258	}
259	else	164	else
260	grace = spell->stats.grace;	165	grace = spell->stats.grace;
261		166
262	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
263	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
264	grace = 1;	169	grace = 1;
265	}	170	}
266	else	171	else
267	{	172	{
268	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
269	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
270	sp = 1;	175	sp = 1;
		176
271	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
272	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
273	grace = 1;	179	grace = 1;
274	}	180	}
		181
275	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
276	return MAX (sp, grace);	183	return max (sp, grace);
277	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
278	return grace;	185	return grace;
279	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
280	return sp;	187	return sp;
281	else	188	else
…		…
283	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);
284	return 0;	191	return 0;
285	}	192	}
286	}	193	}
287		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	}
288		205
289	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
290	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
291	*/	208	*/
292	int	209	int
293	SP_level_dam_adjust (object *caster, object *spob)	210	SP_level_dam_adjust (object *caster, object *spob)
294	{	211	{
295	int level = caster_level (caster, spob);
296	int adj = level - min_casting_level (caster, spob);
297
298	if (adj < 0)
299	adj = 0;
300	if (spob->dam_modifier)	212	if (!spob->dam_modifier)
301	adj /= spob->dam_modifier;
302	else
303	adj = 0;
304	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
305	}	216	}
306		217
307	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
308	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
309	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
310	*/	221	*/
311	int	222	int
312	SP_level_duration_adjust (object *caster, object *spob)	223	SP_level_duration_adjust (object *caster, object *spob)
313	{	224	{
314	int level = caster_level (caster, spob);
315	int adj = level - min_casting_level (caster, spob);
316
317	if (adj < 0)
318	adj = 0;
319	if (spob->duration_modifier)	225	if (!spob->duration_modifier)
320	adj /= spob->duration_modifier;
321	else
322	adj = 0;
323
324	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
325	}	229	}
326		230
327	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
328	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
329	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
330	*/	234	*/
331	int	235	int
332	SP_level_range_adjust (object *caster, object *spob)	236	SP_level_range_adjust (object *caster, object *spob)
333	{	237	{
334	int level = caster_level (caster, spob);
335	int adj = level - min_casting_level (caster, spob);
336
337	if (adj < 0)
338	adj = 0;
339	if (spob->range_modifier)	238	if (!spob->range_modifier)
340	adj /= spob->range_modifier;
341	else
342	adj = 0;
343
344	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
345	}	242	}
346		243
347	/* 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
348	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
349	* 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.
350	*/	247	*/
351	object *	248	object *
352	check_spell_known (object *op, const char *name)	249	check_spell_known (object *op, shstr_cmp name)
353	{	250	{
354	object *spop;	251	object *spop;
355		252
356	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
357	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
358	return spop;	255	return spop;
359		256
360	return NULL;	257	return 0;
361	}	258	}
362		259
363		260	/*
364	/*
365	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
366	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
367	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
368	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
369	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
370	* exact match, we also return NULL.	266	* exact match, we also return NULL.
371	*/	267	*/
372
373	object *	268	object *
374	lookup_spell_by_name (object *op, const char *spname)	269	object::find_spell (const_utf8_string prefix) const
375	{	270	{
376	object *spob1 = NULL, *spob2 = NULL, *spob;	271	if (shstr_cmp name = prefix)
377	int nummatch = 0;	272	{
378		273	// case 1, match spell name exactly
379	if (spname == NULL)
380	return NULL;
381
382	/* Try to find the spell. We store the results in spob1
383	* and spob2 - spob1 is only taking the length of
384	* the past spname, spob2 uses the length of the spell name.
385	*/
386	for (spob = op->inv; spob; spob = spob->below)	274	for (object *spob = inv; spob; spob = spob->below)
		275	if (spob->name == name && spob->type == SPELL)
		276	return spob;
387	{	277	}
		278	else
		279	{
		280	// case 2, match prefix
		281	int len = strlen (prefix);
		282
		283	for (object *spob = inv; spob; spob = spob->below)
388	if (spob->type == SPELL)	284	if (spob->type == SPELL
389	{	285	&& spob->name.length () < len
390	if (!strncmp (spob->name, spname, strlen (spname)))	286	&& prefix [spob->name.length ()] <= ' '
391	{	287	&& !memcmp (prefix, spob->name, spob->name.length ()))
392	nummatch++;
393	spob1 = spob;
394	}
395	else if (!strncmp (spob->name, spname, strlen (spob->name)))
396	{
397	/* if spells have ambiguous names, it makes matching
398	* really difficult. (eg, fire and fireball would
399	* fall into this category). It shouldn't be hard to
400	* make sure spell names don't overlap in that fashion.
401	*/
402	if (spob2)
403	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
404	spob2 = spob;
405	}
406	}
407	}
408	/* if we have best match, return it. Otherwise, if we have one match
409	* on the loser match, return that, otehrwise null
410	*/
411	if (spob2)
412	return spob2;	288	return spob;
413	if (spob1 && nummatch == 1)	289	}
414	return spob1;	290
415	return NULL;	291	return 0;
416	}	292	}
417		293
418	/* reflwall - decides weither the (spell-)object sp_op will	294	/* reflwall - decides weither the (spell-)object sp_op will
419	* be reflected from the given mapsquare. Returns 1 if true.	295	* be reflected from the given mapsquare. Returns 1 if true.
420	* (Note that for living creatures there is a small chance that	296	* (Note that for living creatures there is a small chance that
…		…
423	* eg, updated for tiled maps.	299	* eg, updated for tiled maps.
424	*/	300	*/
425	int	301	int
426	reflwall (maptile *m, int x, int y, object *sp_op)	302	reflwall (maptile *m, int x, int y, object *sp_op)
427	{	303	{
428	object *op;
429
430	if (OUT_OF_REAL_MAP (m, x, y))	304	if (OUT_OF_REAL_MAP (m, x, y))
431	return 0;	305	return 0;
		306
432	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	307	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
433	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	308	if (op->flag [FLAG_REFL_SPELL]
434	&& (!QUERY_FLAG (op, FLAG_ALIVE)	309	&& (!op->flag [FLAG_ALIVE]
435	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	310	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
436	return 1;	311	return 1;
437		312
438	return 0;	313	return 0;
439	}	314	}
440		315
441	/* cast_create_object: creates object new_op in direction dir	316	/* cast_create_object: creates object new_op in direction dir
442	* or if that is blocked, beneath the player (op).	317	* or if that is blocked, beneath the player (op).
443	* we pass 'caster', but don't use it for anything.	318	* we pass 'caster', but don't use it for anything.
444	* This is really just a simple wrapper function .	319	* This is really just a simple wrapper function .
445	* returns the direction that the object was actually placed	320	* returns true to indicate whether the operation was successful.
446	* in.	321	* destroys the object is unsuccessful.
447	*/	322	*/
448	int	323	bool
449	cast_create_obj (object *op, object *caster, object *new_op, int dir)	324	cast_create_obj (object *op, object *caster, object *new_op, int dir)
450	{	325	{
451	maptile *m;	326	mapxy pos (op);
452	sint16 sx, sy;	327	pos.move (dir);
453		328
454	if (dir &&	329	if (!pos.normalise ()
455	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) ||	330	|| pos->blocks (op) // perversely enough, we check if the palyer can reach that space
456	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))	331	|| !new_op->can_drop_at (pos.m, pos.x, pos.y)
457	{	332	)
458	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
459	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
460	dir = 0;
461	}	333	{
		334	op->failmsg ("Your spell fizzles! H<Something is in the way.>");
		335	new_op->destroy ();
		336	return 0;
		337	}
462		338
463	op->map->insert (new_op,	339	new_op->set_flag (FLAG_IDENTIFIED);
464	op->x + freearr_x[dir], op->y + freearr_y[dir],
465	op,
466	dir ? 0 : INS_BELOW_ORIGINATOR);
467		340
		341	pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR);
		342
468	return dir;	343	return 1;
		344	}
		345
		346	static bool
		347	mergable_owner (object *o1, object *o2)
		348	{
		349	if (o1 == o2)
		350	return 1;
		351
		352	if (!o1 || !o2)
		353	return 0;
		354
		355	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		356	return 0;
		357
		358	if (o1->is_player () || o2->is_player ())
		359	return 0;
		360
		361	return 1;
469	}	362	}
470		363
471	/* Returns true if it is ok to put spell *op on the space/may provided.	364	/* Returns true if it is ok to put spell *op on the space/may provided.
472	* immune_stop is basically the attacktype of the spell (why	365	* immune_stop is basically the attacktype of the spell (why
473	* passed as a different value, not sure of). If immune_stop	366	* passed as a different value, not sure of). If immune_stop
474	* has the AT_MAGIC bit set, and there is a counterwall	367	* has the AT_MAGIC bit set, and there is a counterwall
475	* on the space, the object doesn't get placed. if immune stop	368	* on the space, the object doesn't get placed. if immune stop
476	* does not have AT_MAGIC, then counterwalls do not effect the spell.	369	* does not have AT_MAGIC, then counterwalls do not effect the spell.
477	*
478	*/	370	*/
479	int	371	int
480	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)	372	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
481	{	373	{
482	if (!xy_normalise (m, x, y))	374	if (!xy_normalise (m, x, y))
483	return 0;	375	return 0;
484		376
485	mapspace &ms = m->at (x, y);	377	mapspace &ms = m->at (x, y);
		378	ms.update ();
486		379
487	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	380	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
488	return 0;	381	return 0;
489		382
		383	int max_effects = 5; // max. number of similar spells per mapspace
		384
490	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	385	for (object *tmp = ms.top; tmp; tmp = tmp->below)
491	{	386	{
492	/* If there is a counterspell on the space, and this	387	/* If there is a counterspell on the space, and this
493	* object is using magic, don't progress. I believe we could	388	* object is using magic, don't progress. I believe we could
494	* leave this out and let in progress, and other areas of the code	389	* leave this out and let in progress, and other areas of the code
495	* will then remove it, but that would seem to to use more	390	* will then remove it, but that would seem to to use more
…		…
497	* on top of a counterwall spell (may hit the player before being	392	* on top of a counterwall spell (may hit the player before being
498	* removed.) On the other hand, it may be more dramatic for the	393	* removed.) On the other hand, it may be more dramatic for the
499	* spell to actually hit the counterwall and be sucked up.	394	* spell to actually hit the counterwall and be sucked up.
500	*/	395	*/
501	if ((tmp->attacktype & AT_COUNTERSPELL)	396	if ((tmp->attacktype & AT_COUNTERSPELL)
502	&& !QUERY_FLAG (tmp, FLAG_MONSTER)	397	&& !tmp->flag [FLAG_MONSTER]
503	&& (tmp->type != PLAYER)	398	&& (tmp->type != PLAYER)
504	&& (tmp->type != WEAPON)	399	&& (tmp->type != WEAPON)
505	&& (tmp->type != BOW)	400	&& (tmp->type != BOW)
506	&& (tmp->type != ARROW)	401	&& (tmp->type != ARROW)
507	&& (tmp->type != GOLEM)	402	&& (tmp->type != GOLEM)
508	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:	403	&& !tmp->flag [FLAG_IS_FLOOR] // XXX:
509	// we special case floor here because there	404	// we special case floor here because there
510	// are sometimes spell effect floors	405	// are sometimes spell effect floors
511	// which are used to inflict damage	406	// which are used to inflict damage
512	// (and those shouldn't go away from	407	// (and those shouldn't go away from
513	// sanctuary) see also: permanent lava	408	// sanctuary) see also: permanent lava
514	&& (immune_stop & AT_MAGIC))	409	&& (immune_stop & AT_MAGIC))
515	return 0;	410	return 0;
516		411
517	/* This is to prevent 'out of control' spells. Basically, this
518	* limits one spell effect per space per spell. This is definately
519	* needed for performance reasons, and just for playability I believe.
520	* there are no such things as multispaced spells right now, so
521	* we don't need to worry about the head.
522	*/
523	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
524	return 0;
525
526	/*
527	* Combine similar spell effects into one spell effect. Needed for
528	* performance reasons with meteor swarm and the like, but also for
529	* playability reasons.
530	*/
531	if (tmp->arch == op->arch
532	&& tmp->type == op->type	412	if (tmp->type == op->type)
533	&& tmp->subtype == op->subtype
534	&& tmp->owner == op->owner
535	&& ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
536	{	413	{
537	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	414	if (tmp->subtype == op->subtype
538	tmp->range = MAX (tmp->range, op->range);	415	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
539	tmp->duration = MAX (tmp->duration, op->duration);	416	{
		417	/* This is to prevent 'out of control' spells. Basically, this
		418	* limits one spell effect per space per spell. This is definately
		419	* needed for performance reasons, and just for playability I believe.
		420	* there are no such things as multispaced spells right now, so
		421	* we don't need to worry about the head.
		422	*/
		423	if (tmp->stats.maxhp == op->stats.maxhp)
		424	return 0;
		425
		426	/*
		427	* Combine similar spell effects into one spell effect. Needed for
		428	* performance reasons with meteor swarm and the like, but also for
		429	* playability reasons.
		430	*/
		431	if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		432	if (mergable_owner (tmp, op))
		433	{
		434	// if same owner, then combine, but reduce advantage of multiple spells
		435	max_it (tmp->stats.dam, op->stats.dam);
		436	max_it (tmp->range , op->range);
		437	max_it (tmp->duration , op->duration);
		438	return 0;
		439	}
		440	}
		441
		442	// if there are too many spell effects on this space,
		443	// then don't allow more of them, for performance reasons.
		444	if (tmp->type == SPELL_EFFECT
		445	&& !--max_effects)
540	return 0;	446	return 0;
541	}	447	}
542		448
543	/* Perhaps we should also put checks in for no magic and unholy	449	/* Perhaps we should also put checks in for no magic and unholy
544	* ground to prevent it from moving along?	450	* ground to prevent it from moving along?
545	*/	451	*/
…		…
557	* dir: direction to fire in.	463	* dir: direction to fire in.
558	* spell: spell that is being fired. It uses other_arch for the archetype	464	* spell: spell that is being fired. It uses other_arch for the archetype
559	* to fire.	465	* to fire.
560	* returns 0 on failure, 1 on success.	466	* returns 0 on failure, 1 on success.
561	*/	467	*/
562
563	int	468	int
564	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)	469	fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
565	{	470	{
566	object *tmp;
567	int mflags;
568	maptile *m;
569
570	if (spell->other_arch == NULL)	471	if (!spell->other_arch)
571	return 0;	472	return 0;
572		473
573	m = op->map;	474	object *tmp = spell->other_arch->instance ();
574	mflags = get_map_flags (m, &m, x, y, &x, &y);
575	if (mflags & P_OUT_OF_MAP)
576	{
577	return 0;
578	}
579		475
580	tmp = arch_to_object (spell->other_arch);	476	if (!tmp)
581
582	if (tmp == NULL)
583	return 0;	477	return 0;
584
585	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
586	{
587	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
588	tmp->destroy ();
589	return 0;
590	}
591		478
592	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	479	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
593	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	480	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
594	/* code in time.c uses food for some things, duration for others */	481	/* code in time.c uses food for some things, duration for others */
595	tmp->stats.food = tmp->duration;	482	tmp->stats.food = tmp->duration;
596	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	483	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
597	tmp->attacktype = spell->attacktype;	484	tmp->attacktype = spell->attacktype;
598	tmp->x = x;
599	tmp->y = y;
600	tmp->direction = dir;	485	tmp->direction = dir;
601	if (op->owner != NULL)
602	tmp->set_owner (op);	486	tmp->set_owner (op);
603	else
604	tmp->set_owner (op);
605	tmp->level = caster_level (caster, spell);	487	tmp->level = casting_level (caster, spell);
606	set_spell_skill (op, caster, spell, tmp);	488	set_spell_skill (op, caster, spell, tmp);
607		489
608	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	490	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
609	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	491	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
610	{
611	if (!tailor_god_spell (tmp, op))	492	if (!tailor_god_spell (tmp, op))
612	return 0;	493	return 0;
613	}	494
614	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	495	if (tmp->flag [FLAG_IS_TURNABLE])
615	SET_ANIMATION (tmp, dir);	496	SET_ANIMATION (tmp, dir);
616		497
617	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	498	if ((tmp = op->map->insert (tmp, x, y, op)))
618	move_spell_effect (tmp);	499	move_spell_effect (tmp);
619		500
620	return 1;	501	return 1;
621	}	502	}
622		503
…		…
627	****************************************************************************/	508	****************************************************************************/
628	void	509	void
629	regenerate_rod (object *rod)	510	regenerate_rod (object *rod)
630	{	511	{
631	if (rod->stats.hp < rod->stats.maxhp)	512	if (rod->stats.hp < rod->stats.maxhp)
632	{	513	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
633	rod->stats.hp += 1 + rod->stats.maxhp / 10;
634
635	if (rod->stats.hp > rod->stats.maxhp)
636	rod->stats.hp = rod->stats.maxhp;
637	}
638	}	514	}
639
640		515
641	void	516	void
642	drain_rod_charge (object *rod)	517	drain_rod_charge (object *rod)
643	{	518	{
644	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	519	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
…		…
663	{	538	{
664	tmp = op->owner;	539	tmp = op->owner;
665	/* If the owner does not exist, or is not a monster, than apply the spell	540	/* If the owner does not exist, or is not a monster, than apply the spell
666	* to the caster.	541	* to the caster.
667	*/	542	*/
668	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	543	if (!tmp || !tmp->flag [FLAG_MONSTER])
669	tmp = op;	544	tmp = op;
670	}	545	}
671	else	546	else
672	{	547	{
673	maptile *m = op->map;	548	maptile *m = op->map;
…		…
683	if (!tmp)	558	if (!tmp)
684	tmp = op->ms ().player ();	559	tmp = op->ms ().player ();
685		560
686	return tmp;	561	return tmp;
687	}	562	}
688
689
690		563
691	/* raytrace:	564	/* raytrace:
692	* spell_find_dir(map, x, y, exclude) will search first the center square	565	* spell_find_dir(map, x, y, exclude) will search first the center square
693	* then some close squares in the given map at the given coordinates for	566	* then some close squares in the given map at the given coordinates for
694	* live objects.	567	* live objects.
…		…
697	* monsters/generators only. If not, the spell will hunt players only.	570	* monsters/generators only. If not, the spell will hunt players only.
698	* It returns the direction toward the first/closest live object if it finds	571	* It returns the direction toward the first/closest live object if it finds
699	* any, otherwise -1.	572	* any, otherwise -1.
700	* note that exclude can be NULL, in which case all bets are off.	573	* note that exclude can be NULL, in which case all bets are off.
701	*/	574	*/
702
703	int	575	int
704	spell_find_dir (maptile *m, int x, int y, object *exclude)	576	spell_find_dir (maptile *m, int x, int y, object *exclude)
705	{	577	{
706	int i, max = SIZEOFFREE;	578	int i, max = SIZEOFFREE;
707	sint16 nx, ny;	579	sint16 nx, ny;
…		…
724	continue;	596	continue;
725		597
726	tmp = GET_MAP_OB (mp, nx, ny);	598	tmp = GET_MAP_OB (mp, nx, ny);
727		599
728	while (tmp != NULL && (((owner_type == PLAYER &&	600	while (tmp != NULL && (((owner_type == PLAYER &&
729	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	601	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
730	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))	602	(owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
731	tmp = tmp->above;	603	tmp = tmp->above;
732		604
733	if (tmp != NULL && can_see_monsterP (m, x, y, i))	605	if (tmp != NULL && can_see_monsterP (m, x, y, i))
734	return freedir[i];	606	return freedir[i];
…		…
738		610
739	/* put_a_monster: puts a monster named monstername near by	611	/* put_a_monster: puts a monster named monstername near by
740	* op. This creates the treasures for the monsters, and	612	* op. This creates the treasures for the monsters, and
741	* also deals with multipart monsters properly.	613	* also deals with multipart monsters properly.
742	*/	614	*/
743	void	615	static void
744	put_a_monster (object *op, const char *monstername)	616	put_a_monster (object *op, const char *monstername)
745	{	617	{
746	object *tmp, *head = NULL, *prev = NULL;	618	object *tmp, *head = NULL, *prev = NULL;
747	archetype *at;	619	archetype *at;
748	int dir;	620	int dir;
…		…
754		626
755	/* find a free square nearby	627	/* find a free square nearby
756	* first we check the closest square for free squares	628	* first we check the closest square for free squares
757	*/	629	*/
758		630
759	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	631	dir = find_first_free_spot (at, op->map, op->x, op->y);
760	if (dir != -1)	632	if (dir != -1)
761	{	633	{
762	/* This is basically grabbed for generate monster. Fixed 971225 to	634	/* This is basically grabbed for generate monster. Fixed 971225 to
763	* insert multipart monsters properly	635	* insert multipart monsters properly
764	*/	636	*/
		637	//TODO: use expand_tail + ...
765	while (at != NULL)	638	while (at != NULL)
766	{	639	{
767	tmp = arch_to_object (at);	640	tmp = at->instance ();
768	tmp->x = op->x + freearr_x[dir] + at->clone.x;	641	tmp->x = op->x + freearr_x[dir] + at->x;
769	tmp->y = op->y + freearr_y[dir] + at->clone.y;	642	tmp->y = op->y + freearr_y[dir] + at->y;
770	tmp->map = op->map;	643	tmp->map = op->map;
771	if (head)	644	if (head)
772	{	645	{
773	tmp->head = head;	646	tmp->head = head;
774	prev->more = tmp;	647	prev->more = tmp;
775	}	648	}
		649
776	if (!head)	650	if (!head)
777	head = tmp;	651	head = tmp;
		652
778	prev = tmp;	653	prev = tmp;
		654
779	at = at->more;	655	at = (archetype *)at->more;
780	}	656	}
781		657
782	if (head->randomitems)	658	if (head->randomitems)
783	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	659	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
784		660
785	insert_ob_in_map (head, op->map, op, 0);	661	insert_ob_in_map (head, op->map, op, 0);
786		662
787	/* thought it'd be cool to insert a burnout, too. */	663	/* thought it'd be cool to insert a burnout, too. */
788	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	664	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
789	}	665	}
790	}	666	}
791		667
792	/* peterm: function which summons hostile monsters and	668	/* peterm: function which summons hostile monsters and
793	* places them in nearby squares.	669	* places them in nearby squares.
…		…
800	* Note that this is not used by any spells (summon evil monsters	676	* Note that this is not used by any spells (summon evil monsters
801	* use to call this, but best I can tell, that spell/ability was	677	* use to call this, but best I can tell, that spell/ability was
802	* never used. This is however used by various failures on the	678	* never used. This is however used by various failures on the
803	* players part (alchemy, reincarnation, etc)	679	* players part (alchemy, reincarnation, etc)
804	*/	680	*/
805
806	int	681	int
807	summon_hostile_monsters (object *op, int n, const char *monstername)	682	summon_hostile_monsters (object *op, int n, const char *monstername)
808	{	683	{
809	int i;	684	int i;
810		685
…		…
875	{	750	{
876	SET_ANIMATION (op, ATTACKS[i].face);	751	SET_ANIMATION (op, ATTACKS[i].face);
877	}	752	}
878	}	753	}
879		754
880
881	/* prayer_failure: This is called when a player fails	755	/* prayer_failure: This is called when a player fails
882	* at casting a prayer.	756	* at casting a prayer.
883	* op is the player.	757	* op is the player.
884	* failure is basically how much grace they had.	758	* failure is basically how much grace they had.
885	* power is how much grace the spell would normally take to cast.	759	* power is how much grace the spell would normally take to cast.
886	*/	760	*/
887		761
888	void	762	#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
		763
		764	static void
889	prayer_failure (object *op, int failure, int power)	765	prayer_failure (object *op, int failure, int power)
890	{	766	{
891	const char *godname;	767	const char *godname;
892	object *tmp;	768	object *tmp;
893		769
894	if (!strcmp ((godname = determine_god (op)), "none"))	770	if (!strcmp ((godname = determine_god (op)), "none"))
895	godname = "Your spirit";	771	godname = "Your spirit";
896		772
897	if (failure <= -20 && failure > -40) /* wonder */	773	if (failure <= -20 && failure > -40) /* wonder */
898	{	774	{
899	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	775	op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname);
900	tmp = get_archetype (SPELL_WONDER);	776	tmp = archetype::get (SPELL_WONDER);
901	cast_cone (op, op, 0, tmp);	777	cast_cone (op, op, 0, tmp);
902	tmp->destroy ();	778	tmp->destroy ();
903	}	779	}
904		780
905	else if (failure <= -40 && failure > -60) /* confusion */	781	else if (failure <= -40 && failure > -60) /* confusion */
906	{	782	{
907	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	783	op->failmsg ("Your diety touches your mind!" HINT_GRACE);
908	confuse_player (op, op, 99);	784	confuse_player (op, op, 99);
909	}	785	}
910	else if (failure <= -60 && failure > -150) /* paralysis */	786	else if (failure <= -60 && failure > -150) /* paralysis */
911	{	787	{
912	new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname);	788	op->failmsgf ("%s requires you to pray NOW. "
913	new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else.");	789	"You comply, ignoring all else." HINT_GRACE,
		790	godname);
914	paralyze_player (op, op, 99);	791	paralyze_player (op, op, 99);
915	}	792	}
916	else if (failure <= -150) /* blast the immediate area */	793	else if (failure <= -150) /* blast the immediate area */
917	{	794	{
918	tmp = get_archetype (GOD_POWER);	795	tmp = archetype::get (GOD_POWER);
919	new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname);	796	op->failmsgf ("%s smites you!" HINT_GRACE, godname);
920	cast_magic_storm (op, tmp, power);	797	cast_magic_storm (op, tmp, power);
921	}	798	}
922	}	799	}
923		800
924	/*	801	/*
925	* spell_failure() handles the various effects for differing degrees	802	* spell_failure() handles the various effects for differing degrees
926	* of failure badness.	803	* of failure badness.
927	* op is the player that failed.	804	* op is the player that failed.
928	* failure is a random value of how badly you failed.	805	* failure is a random value of how badly you failed.
929	* power is how many spellpoints you'd normally need for the spell.	806	* power is how many spellpoints you'd normally need for the spell.
930	* skill is the skill you'd need to cast the spell.	807	* skill is the skill you'd need to cast the spell.
931	*/	808	*/
932
933	void	809	void
934	spell_failure (object *op, int failure, int power, object *skill)	810	spell_failure (object *op, int failure, int power, object *skill)
935	{	811	{
936	object *tmp;	812	object *tmp;
937		813
938	if (settings.spell_failure_effects == FALSE)	814	if (settings.spell_failure_effects == FALSE)
939	return;	815	return;
940		816
941	if (failure <= -20 && failure > -40) /* wonder */	817	if (failure <= -20 && failure > -40) /* wonder */
942	{	818	{
943	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	819	op->failmsg ("Your spell causes an unexpected effect.");
944	tmp = get_archetype (SPELL_WONDER);	820	tmp = archetype::get (SPELL_WONDER);
945	cast_cone (op, op, 0, tmp);	821	cast_cone (op, op, 0, tmp);
946	tmp->destroy ();	822	tmp->destroy ();
947	}	823	}
948		824
949	else if (failure <= -40 && failure > -60) /* confusion */	825	else if (failure <= -40 && failure > -60) /* confusion */
950	{	826	{
951	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	827	op->failmsg ("Your magic recoils on you, making you confused!");
952	confuse_player (op, op, 99);	828	confuse_player (op, op, 99);
953	}	829	}
954	else if (failure <= -60 && failure > -80) /* paralysis */	830	else if (failure <= -60 && failure > -80) /* paralysis */
955	{	831	{
956	new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!");	832	op->failmsg ("Your magic stuns you!");
957	paralyze_player (op, op, 99);	833	paralyze_player (op, op, 99);
958	}	834	}
959	else if (failure <= -80) /* blast the immediate area */	835	else if (failure <= -80) /* blast the immediate area */
960	{	836	{
961	object *tmp;	837	object *tmp;
962		838
963	/* Safety check to make sure we don't get any mana storms in scorn */	839	/* Safety check to make sure we don't get any mana storms in scorn */
964	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)	840	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)
965	{	841	{
966	new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!");	842	op->failmsg ("The magic warps and you are turned inside out!");
967	hit_player (op, 9998, op, AT_INTERNAL, 1);	843	hit_player (op, 9998, op, AT_INTERNAL, 1);
968		844
969	}	845	}
970	else	846	else
971	{	847	{
972	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	848	op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!");
973	tmp = get_archetype (LOOSE_MANA);	849	tmp = archetype::get (LOOSE_MANA);
974	tmp->level = skill->level;	850	tmp->level = skill->level;
975		851
976	/* increase the area of destruction a little for more powerful spells */	852	/* increase the area of destruction a little for more powerful spells */
977	tmp->range += isqrt (power);	853	tmp->range += isqrt (power);
978		854
…		…
986	tmp->insert_at (op);	862	tmp->insert_at (op);
987	}	863	}
988	}	864	}
989	}	865	}
990		866
991	int	867	static int
992	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	868	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
993	{	869	{
994	int success;
995	object *spell;
996
997	if (!spell_ob->other_arch)	870	if (!spell_ob->other_arch)
998	{	871	{
999	LOG (llevError, "cast_party_spell: empty other arch\n");	872	LOG (llevError, "cast_party_spell: empty other arch\n");
1000	return 0;	873	return 0;
1001	}	874	}
1002	spell = arch_to_object (spell_ob->other_arch);	875
		876	object *spell = spell_ob->other_arch->instance ();
1003		877
1004	/* Always cast spell on caster */	878	/* Always cast spell on caster */
1005	success = cast_spell (op, caster, dir, spell, stringarg);	879	int success = cast_spell (op, caster, dir, spell, spellparam);
1006		880
1007	if (caster->contr->party == NULL)	881	if (!op->contr || !op->contr->party)
1008	{	882	{
1009	spell->remove ();	883	spell->remove ();
1010	return success;	884	return success;
1011	}	885	}
		886
1012	for_all_players (pl)	887	for_all_players (pl)
1013	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	888	if ((pl->ob->contr->party == op->contr->party)
1014	{	889	&& on_same_map (pl->ob, op)
		890	&& pl->ob != op)
1015	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	891	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1016	}	892
1017	spell->remove ();	893	spell->remove ();
1018	return success;	894	return success;
1019	}	895	}
1020		896
1021	/* This is where the main dispatch when someone casts a spell.	897	/* This is where the main dispatch when someone casts a spell.
…		…
1026	* same as op.	902	* same as op.
1027	* dir is the direction to cast in. Note in some cases, if the spell	903	* dir is the direction to cast in. Note in some cases, if the spell
1028	* is self only, dir really doesn't make a difference.	904	* is self only, dir really doesn't make a difference.
1029	* spell_ob is the spell object that is being cast. From that,	905	* spell_ob is the spell object that is being cast. From that,
1030	* we can determine what to do.	906	* we can determine what to do.
1031	* stringarg is any options that are being used. It can be NULL. Almost	907	* spellparam is any options that are being used. It can be NULL. Almost
1032	* certainly, only players will set it. It is basically used as optional	908	* certainly, only players will set it. It is basically used as optional
1033	* parameters to a spell (eg, item to create, information for marking runes,	909	* parameters to a spell (eg, item to create, information for marking runes,
1034	* etc.	910	* etc.
1035	* returns 1 on successful cast, or 0 on error. These values should really	911	* returns 1 on successful cast, or 0 on error. These values should really
1036	* be swapped, so that 0 is successful, and non zero is failure, with a code	912	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1044	* if it is a player casting the spell (op->type == PLAYER, op == caster),	920	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1045	* this function will decrease the mana/grace appropriately. For other	921	* this function will decrease the mana/grace appropriately. For other
1046	* objects, the caller should do what it considers appropriate.	922	* objects, the caller should do what it considers appropriate.
1047	*/	923	*/
1048	int	924	int
1049	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	925	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1050	{	926	{
1051	const char *godname;	927	const char *godname;
1052	int success = 0, mflags, cast_level = 0;	928	int success = 0;
1053	object *skill = NULL;	929
		930	// make sure spells always take a while, so a) we don't flood the
		931	// user with messages and b) too many failures can be harmful (smiting).
		932	op->speed_left -= 4 * op->speed; // ~0.5s on failure
1054		933
1055	if (!spell_ob)	934	if (!spell_ob)
1056	{	935	{
1057	LOG (llevError, "cast_spell: null spell object passed\n");	936	LOG (llevError, "cast_spell: null spell object passed\n");
1058	return 0;	937	return 0;
…		…
1069	}	948	}
1070		949
1071	/* if caster is a spell casting object, this normally shouldn't be	950	/* if caster is a spell casting object, this normally shouldn't be
1072	* an issue, because they don't have any spellpaths set up.	951	* an issue, because they don't have any spellpaths set up.
1073	*/	952	*/
1074	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))	953	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1075	{	954	{
1076	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	955	op->failmsg ("That spell path is denied to you.");
1077	return 0;	956	return 0;
1078	}	957	}
		958
		959	object *skill = 0;
1079		960
1080	/* if it is a player casting the spell, and they are really casting it	961	/* if it is a player casting the spell, and they are really casting it
1081	* (vs it coming from a wand, scroll, or whatever else), do some	962	* (vs it coming from a wand, scroll, or whatever else), do some
1082	* checks. We let monsters do special things - eg, they	963	* checks. We let monsters do special things - eg, they
1083	* don't need the skill, bypass level checks, etc. The monster function	964	* don't need the SKILL, BYpass level checks, etc. The monster function
1084	* should take care of that.	965	* should take care of that.
1085	* Remove the wiz check here and move it further down - some spells	966	* Remove the wiz check here and move it further down - some spells
1086	* need to have the right skill pointer passed, so we need to	967	* need to have the right skill pointer passed, so we need to
1087	* at least process that code.	968	* at least process that code.
1088	*/	969	*/
1089	if (op->type == PLAYER && op == caster)	970	if (op->type == PLAYER && op == caster)
1090	{	971	{
1091	cast_level = caster_level (caster, spell_ob);
1092	if (spell_ob->skill)	972	if (spell_ob->skill)
1093	{	973	{
1094	skill = find_skill_by_name (op, spell_ob->skill);	974	skill = find_skill_by_name (op, spell_ob->skill);
		975
1095	if (!skill)	976	if (!skill)
1096	{	977	{
1097	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	978	op->failmsgf ("You need the %s skill to cast %s! "
		979	"H<You either need to learn the skill via a skill scroll "
		980	"or you need to wear a talisman, holy symbol or another skill tool.>",
		981	&spell_ob->skill, &spell_ob->name);
1098	return 0;	982	return 0;
1099	}	983	}
1100	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	984
		985	const char *msg = "";
		986
		987	int caster_level = skill->level;
		988
		989	if (op->path_attuned & spell_ob->path_attuned)
1101	{	990	{
1102	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	991	caster_level += min (caster_level, ATTUNE_REPELL);
		992	msg = " (attuned)";
		993	}
		994
		995	if (op->path_repelled & spell_ob->path_attuned)
		996	{
		997	caster_level -= ATTUNE_REPELL; // negative is ok
		998	msg = " (repelled)";
		999	}
		1000
		1001	if (spell_ob->level > caster_level)
		1002	{
		1003	op->failmsgf ("You lack enough skill to cast that spell! "
		1004	"H<Your effective cast level is %d%s, but level %d is required.>",
		1005	caster_level, msg, spell_ob->level);
		1006	if (!op->is_wiz ())
1103	return 0;	1007	return 0;
1104	}	1008	}
1105	}	1009	}
		1010
1106	/* If the caster is the wiz, they don't ever fail, and don't have	1011	/* If the caster is the wiz, they don't ever fail, and don't have
1107	* to have sufficient grace/mana.	1012	* to have sufficient grace/mana.
1108	*/	1013	*/
1109	if (!QUERY_FLAG (op, FLAG_WIZ))	1014	if (!op->flag [FLAG_WIZCAST])
1110	{	1015	{
1111	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1016	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1112	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1017	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1113	{	1018	{
1114	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1019	op->failmsg ("You don't have enough mana!");
1115	return 0;	1020	return 0;
1116	}	1021	}
1117		1022
1118	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1023	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1119	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1024	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1120	{	1025	{
1121	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1026	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1122	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1027	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1123	{
1124	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1028	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1125	}
1126	else	1029	else
1127	{	1030	{
1128	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1031	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1129	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1032	op->failmsgf ("%s ignores your prayer.", godname);
1130	return 0;	1033	return 0;
1131	}	1034	}
1132	}	1035	}
1133		1036
1134	/* player/monster is trying to cast the spell. might fumble it */	1037	/* player/monster is trying to cast the spell. might fumble it */
1135	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1038	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1136	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1039	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1137	{	1040	{
1138	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1041	op->contr->play_sound (sound_find ("fumble_spell"));
1139	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1042	op->failmsg ("You fumble the prayer.");
1140
1141	if (settings.casting_time == TRUE)
1142	op->casting_time = -1;
1143		1043
1144	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1044	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1145	return 0;	1045	return 0;
1146	}	1046	}
1147	else if (spell_ob->stats.sp)	1047	else if (spell_ob->stats.sp)
1148	{	1048	{
1149	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1049	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1150		1050
1151	if (failure < 0)	1051	if (failure < 0)
1152	{	1052	{
1153	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1053	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1154	if (settings.spell_failure_effects == TRUE)	1054	if (settings.spell_failure_effects == TRUE)
1155	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1055	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1156		1056
1157	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1057	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1158	return 0;	1058	return 0;
1159	}	1059	}
1160	}	1060	}
1161	}	1061	}
1162	}	1062	}
1163		1063
1164	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1064	int mflags = op->ms ().flags ();
1165		1065
1166	/* See if we can cast a spell here. If the caster and op are	1066	/* See if we can cast a spell here. If the caster and op are
1167	* not alive, then this would mean that the mapmaker put the	1067	* not alive, then this would mean that the mapmaker put the
1168	* objects on the space - presume that they know what they are	1068	* objects on the space - presume that they know what they are
1169	* doing.	1069	* doing.
1170	*/	1070	*/
1171		1071
1172	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1072	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1173	{	1073	{
		1074	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1174	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1075	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1175	return 0;	1076	return 0;
1176	}	1077	}
1177		1078
1178	if ((spell_ob->type == SPELL)	1079	if ((spell_ob->type == SPELL)
1179	&& (caster->type != POTION)	1080	&& (caster->type != POTION)
1180	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1081	&& !op->flag [FLAG_WIZCAST]
1181	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1082	&& (caster->flag [FLAG_ALIVE]
1182	|| QUERY_FLAG (op, FLAG_ALIVE))	1083	|| op->flag [FLAG_ALIVE])
1183	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1084	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1184	{	1085	{
1185	if (op->type != PLAYER)	1086	if (op->type != PLAYER)
1186	return 0;	1087	return 0;
1187		1088
1188	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1089	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1189	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1090	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1190	else	1091	else if (object *item = op->contr->ranged_ob)
1191	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the spell!");
1192
1193	return 0;
1194	}
1195
1196	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1197	{
1198	if (op->casting_time == -1)
1199	{ /* begin the casting */
1200	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1201	op->spell = spell_ob;
1202	/* put the stringarg into the object struct so that when the
1203	* spell is actually cast, it knows about the stringarg.
1204	* necessary for the invoke command spells.
1205	*/
1206	if (stringarg)
1207	{	1092	{
1208	op->spellarg = strdup (stringarg);	1093	if (item->type == SPELL)
1209	}	1094	op->failmsg ("Something blocks your spellcasting.");
		1095	else if (item->type == SCROLL)
		1096	op->failmsg ("Something blocks the magic of your scroll.");
1210	else	1097	else
1211	op->spellarg = NULL;	1098	op->failmsg ("Something blocks the magic of your item.");
1212	return 0;
1213	}
1214	else if (op->casting_time != 0)
1215	{
1216	if (op->type == PLAYER)
1217	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1218	return 0;
1219	}	1099	}
1220	else	1100	else
1221	{ /* casting_time == 0 */	1101	op->failmsg ("Something blocks the spell!");
1222	op->casting_time = -1;	1102
1223	spell_ob = op->spell;	1103	return 0;
1224	stringarg = op->spellarg;
1225	}
1226	}
1227	else
1228	{	1104	}
		1105
		1106	// undo the flood protection from earlier
		1107	op->speed_left += 4 * op->speed; // ~0.5s on failure
		1108
1229	/* Take into account how long it takes to cast the spell.	1109	/* Take into account how long it takes to cast the spell.
1230	* if the player is casting it, then we use the time in	1110	* if the player is casting it, then we use the time in
1231	* the spell object. If it is a spell object, have it	1111	* the spell object. If it is a spell object, have it
1232	* take two ticks. Things that cast spells on the players	1112	* take two ticks. Things that cast spells on the players
1233	* behalf (eg, altars, and whatever else) shouldn't cost	1113	* behalf (eg, altars, and whatever else) shouldn't cost
1234	* the player any time.	1114	* the player any time.
1235	* Ignore casting time for firewalls	1115	* Ignore casting time for firewalls
		1116	*/
		1117	if (caster == op && caster->type != FIREWALL)
		1118	{
		1119	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1120	/* Other portions of the code may also decrement the speed of the player, so
		1121	* put a lower limit so that the player isn't stuck here too long
1236	*/	1122	*/
1237	if (caster == op && caster->type != FIREWALL)
1238	{
1239	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1240	/* Other portions of the code may also decrement the speed of the player, so
1241	* put a lower limit so that the player isn't stuck here too long
1242	*/
1243	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1123	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1244	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1124	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1245	}	1125	}
1246	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1126	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1247	{
1248	op->speed_left -= 2 * FABS (op->speed);	1127	op->speed_left -= 2 * op->speed;
1249	}
1250	}
1251		1128
1252	if (op->type == PLAYER && op == caster)	1129	if (op->type == PLAYER && op == caster)
1253	{	1130	{
1254	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1131	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1255	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1132	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1260	* object requires.	1137	* object requires.
1261	*/	1138	*/
1262	if (op != caster && !skill && caster->skill)	1139	if (op != caster && !skill && caster->skill)
1263	{	1140	{
1264	skill = find_skill_by_name (op, caster->skill);	1141	skill = find_skill_by_name (op, caster->skill);
		1142
1265	if (!skill)	1143	if (!skill)
1266	{	1144	{
1267	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1145	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1268	return 0;	1146	return 0;
1269	}	1147	}
1270	change_skill (op, skill, 0); /* needed for proper exp credit */
1271	}	1148	}
		1149
		1150	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1151	return RESULT_INT (0);
		1152
		1153	// temporaroly replace chosen_skill by skill, we assume skill *could* be applied,
		1154	// at least temporarily, which might not be true due to slot restrictions, but hey
		1155	// invoke requires it basically.
		1156
		1157	object *chosen_skill = op->chosen_skill;
		1158	op->chosen_skill = skill;
1272		1159
1273	switch (spell_ob->subtype)	1160	switch (spell_ob->subtype)
1274	{	1161	{
1275	/* The order of case statements is same as the order they show up	1162	/* The order of case statements is same as the order they show up
1276	* in in spells.h.	1163	* in spells.h.
1277	*/	1164	*/
1278	case SP_RAISE_DEAD:	1165	case SP_RAISE_DEAD:
1279	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1166	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1280	break;	1167	break;
1281		1168
1282	case SP_RUNE:	1169	case SP_RUNE:
1283	success = write_rune (op, caster, spell_ob, dir, stringarg);	1170	success = write_rune (op, caster, spell_ob, dir, spellparam);
1284	break;	1171	break;
1285		1172
1286	case SP_MAKE_MARK:	1173	case SP_MAKE_MARK:
1287	success = write_mark (op, spell_ob, stringarg);	1174	success = write_mark (op, spell_ob, spellparam);
1288	break;	1175	break;
1289		1176
1290	case SP_BOLT:	1177	case SP_BOLT:
1291	success = fire_bolt (op, caster, dir, spell_ob, skill);	1178	success = fire_bolt (op, caster, dir, spell_ob, skill);
1292	break;	1179	break;
…		…
1310	case SP_SMITE:	1197	case SP_SMITE:
1311	success = cast_smite_spell (op, caster, dir, spell_ob);	1198	success = cast_smite_spell (op, caster, dir, spell_ob);
1312	break;	1199	break;
1313		1200
1314	case SP_MAGIC_MISSILE:	1201	case SP_MAGIC_MISSILE:
1315	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1202	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1316	break;	1203	break;
1317		1204
1318	case SP_SUMMON_GOLEM:	1205	case SP_SUMMON_GOLEM:
1319	success = summon_golem (op, caster, dir, spell_ob);	1206	success = summon_golem (op, caster, dir, spell_ob);
1320	break;	1207	break;
1321		1208
1322	case SP_DIMENSION_DOOR:	1209	case SP_DIMENSION_DOOR:
1323	/* dimension door needs the actual caster, because that is what is	1210	/* dimension door needs the actual caster, because that is what is
1324	* moved.	1211	* moved.
1325	*/	1212	*/
1326	success = dimension_door (op, caster, spell_ob, dir);	1213	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1327	break;	1214	break;
1328		1215
1329	case SP_MAGIC_MAPPING:	1216	case SP_MAGIC_MAPPING:
1330	if (op->type == PLAYER)	1217	if (op->type == PLAYER)
1331	{	1218	{
…		…
1364	case SP_HEALING:	1251	case SP_HEALING:
1365	success = cast_heal (op, caster, spell_ob, dir);	1252	success = cast_heal (op, caster, spell_ob, dir);
1366	break;	1253	break;
1367		1254
1368	case SP_CREATE_FOOD:	1255	case SP_CREATE_FOOD:
1369	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1256	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1370	break;	1257	break;
1371		1258
1372	case SP_EARTH_TO_DUST:	1259	case SP_EARTH_TO_DUST:
1373	success = cast_earth_to_dust (op, caster, spell_ob);	1260	success = cast_earth_to_dust (op, caster, spell_ob);
1374	break;	1261	break;
…		…
1384	case SP_CURSE:	1271	case SP_CURSE:
1385	success = cast_curse (op, caster, spell_ob, dir);	1272	success = cast_curse (op, caster, spell_ob, dir);
1386	break;	1273	break;
1387		1274
1388	case SP_SUMMON_MONSTER:	1275	case SP_SUMMON_MONSTER:
1389	success = summon_object (op, caster, spell_ob, dir, stringarg);	1276	success = summon_object (op, caster, spell_ob, dir, spellparam);
1390	break;	1277	break;
1391		1278
1392	case SP_CHARGING:	1279	case SP_CHARGING:
1393	success = recharge (op, caster, spell_ob);	1280	success = recharge (op, caster, spell_ob);
1394	break;	1281	break;
…		…
1397	#ifdef NO_POLYMORPH	1284	#ifdef NO_POLYMORPH
1398	/* Not great, but at least provide feedback so if players do have	1285	/* Not great, but at least provide feedback so if players do have
1399	* polymorph (ie, find it as a preset item or left over from before	1286	* polymorph (ie, find it as a preset item or left over from before
1400	* it was disabled), they get some feedback.	1287	* it was disabled), they get some feedback.
1401	*/	1288	*/
1402	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1289	op->failmsg ("The spell fizzles!");
1403	success = 0;	1290	success = 0;
1404	#else	1291	#else
1405	success = cast_polymorph (op, caster, spell_ob, dir);	1292	success = cast_polymorph (op, caster, spell_ob, dir);
1406	#endif	1293	#endif
1407	break;	1294	break;
…		…
1427	break;	1314	break;
1428		1315
1429	case SP_MOVING_BALL:	1316	case SP_MOVING_BALL:
1430	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1317	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1431	{	1318	{
1432	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1319	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1433	success = 0;	1320	success = 0;
1434	}	1321	}
1435	else	1322	else
1436	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1323	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1437	break;	1324	break;
1438		1325
1439	case SP_SWARM:	1326	case SP_SWARM:
1440	success = fire_swarm (op, caster, spell_ob, dir);	1327	success = fire_swarm (op, caster, spell_ob, dir);
1441	break;	1328	break;
…		…
1448	/* in rune.c */	1335	/* in rune.c */
1449	success = dispel_rune (op, caster, spell_ob, skill, dir);	1336	success = dispel_rune (op, caster, spell_ob, skill, dir);
1450	break;	1337	break;
1451		1338
1452	case SP_CREATE_MISSILE:	1339	case SP_CREATE_MISSILE:
1453	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1340	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1454	break;	1341	break;
1455		1342
1456	case SP_CONSECRATE:	1343	case SP_CONSECRATE:
1457	success = cast_consecrate (op, caster, spell_ob);	1344	success = cast_consecrate (op, caster, spell_ob);
1458	break;	1345	break;
…		…
1479		1366
1480	case SP_AURA:	1367	case SP_AURA:
1481	success = create_aura (op, caster, spell_ob);	1368	success = create_aura (op, caster, spell_ob);
1482	break;	1369	break;
1483		1370
1484	case SP_TOWN_PORTAL:
1485	success = cast_create_town_portal (op, caster, spell_ob, dir);
1486	break;
1487
1488	case SP_PARTY_SPELL:	1371	case SP_PARTY_SPELL:
1489	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1372	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1490	break;	1373	break;
1491		1374
1492	default:	1375	default:
1493	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1494	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1376	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1495	}
1496
1497	/* FIXME - we need some better sound suppport */
1498	// yes, for example, augment map info with the spell effect
1499	// so clients can calculate the sounds themselves
1500	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1501
1502	/* free the spell arg */
1503	if (settings.casting_time == TRUE && stringarg)
1504	{	1377	}
1505	free (stringarg);	1378
1506	stringarg = 0;	1379	// restore chosen_skill
1507	}	1380	op->chosen_skill = chosen_skill;
		1381
		1382	op->play_sound (
		1383	success
		1384	? spell_ob->sound
		1385	? spell_ob->sound
		1386	: sound_find ("spell_success")
		1387	: sound_find ("fumble_spell")
		1388	);
1508		1389
1509	return success;	1390	return success;
1510	}	1391	}
1511		1392
1512
1513	/* This is called from time.c/process_object(). That function	1393	/* This is called from time.c/process_object(). That function
1514	* calls this for any SPELL_EFFECT type objects. This function	1394	* calls this for any SPELL_EFFECT type objects. This function
1515	* then dispatches them to the appropriate specific routines.	1395	* then dispatches them to the appropriate specific routines.
1516	*/	1396	*/
1517	void	1397	void
1518	move_spell_effect (object *op)	1398	move_spell_effect (object *op)
1519	{	1399	{
…		…
1559	move_aura (op);	1439	move_aura (op);
1560	break;	1440	break;
1561	}	1441	}
1562	}	1442	}
1563		1443
1564	/* this checks to see if something special should happen if
1565	* something runs into the object.
1566	*/
1567	void
1568	check_spell_effect (object *op)
1569	{
1570	switch (op->subtype)
1571	{
1572	case SP_BOLT:
1573	move_bolt (op);
1574	return;
1575
1576	case SP_BULLET:
1577	check_bullet (op);
1578	return;
1579	}
1580	}
1581
1582	/* This is called by move_apply. Basically, if someone	1444	/* This is called by move_apply. Basically, if someone
1583	* moves onto a spell effect and the walk_on or fly_on flags	1445	* moves onto a spell effect and the walk_on or fly_on flags
1584	* are set, this is called. This should only be called for	1446	* are set, this is called. This should only be called for
1585	* objects of the appropraite type.	1447	* objects of the appropriate type.
1586	*/	1448	*/
1587	void	1449	void
1588	apply_spell_effect (object *spell, object *victim)	1450	apply_spell_effect (object *spell, object *victim)
1589	{	1451	{
1590	switch (spell->subtype)	1452	switch (spell->subtype)
1591	{	1453	{
1592	case SP_CONE:	1454	case SP_CONE:
1593	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1455	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1594	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1456	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1595	break;	1457	break;
1596		1458
1597	case SP_MAGIC_MISSILE:	1459	case SP_MAGIC_MISSILE:
1598	if (QUERY_FLAG (victim, FLAG_ALIVE))	1460	if (victim->flag [FLAG_ALIVE])
1599	{	1461	{
1600	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1462	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1601
1602	if (!spell->destroyed ())
1603	spell->destroy ();	1463	spell->destroy ();
1604	}	1464	}
1605	break;	1465	break;
1606		1466
1607	case SP_MOVING_BALL:	1467	case SP_MOVING_BALL:
1608	if (QUERY_FLAG (victim, FLAG_ALIVE))	1468	if (victim->flag [FLAG_ALIVE])
1609	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1469	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1610	else if (victim->materialname)	1470	else if (victim->material != MATERIAL_NULL)
1611	save_throw_object (victim, spell->attacktype, spell);	1471	save_throw_object (victim, spell->attacktype, spell);
		1472
1612	break;	1473	break;
1613	}	1474	}
1614	}	1475	}
		1476
		1477	/**
		1478	* This function will let a fireball explode at the position of
		1479	* the victim with a specific maximum level.
		1480	*/
		1481	void
		1482	create_exploding_ball_at (object *victim, int level)
		1483	{
		1484	object *ball = archetype::get (EXPLODING_FIREBALL);
		1485	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1486	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1487	ball->insert_at (victim);
		1488	}

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