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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.18 by root, Fri Nov 17 15:48:07 2006 UTC vs.
Revision 1.109 by root, Sun Nov 29 17:41:08 2009 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23
24		24
25	#include <global.h>	25	#include <global.h>
26	#include <spells.h>	26	#include <spells.h>
27	#include <object.h>	27	#include <object.h>
28	#include <errno.h>	28	#include <errno.h>
29	#ifndef __CEXTRACT__
30	# include <sproto.h>	29	#include <sproto.h>
31	#endif
32	#include <sounds.h>	30	#include <sounds.h>
33		31
34	extern char *spell_mapping[];	32	extern char *spell_mapping[];
35		33
36	/* This returns a random spell from 'ob'. If skill is set, then	34	/* This returns a random spell from 'ob'. If skill is set, then
37	* the spell must be of this skill, it can be NULL in which case all	35	* the spell must be of this skill, it can be NULL in which case all
38	* matching spells are used.	36	* matching spells are used.
39	*/	37	*/
40	object *	38	object *
41	find_random_spell_in_ob (object *ob, const char *skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
42	{	40	{
43	int k = 0, s;	41	int k = 0, s;
44	object *tmp;
45		42
46	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
47	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
48	k++;	45	k++;
49		46
50	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
51	if (!k)	48	if (!k)
52	return NULL;	49	return NULL;
53		50
54	s = RANDOM () % k;	51	s = rndm (k);
55		52
56	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
57	if (tmp->type == SPELL && (!skill || tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill || tmp->skill == skill))
58	{
59	if (!s)	55	if (!s)
60	return tmp;	56	return tmp;
61	else	57	else
62	s--;	58	s--;
63	}	59
64	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
65	return NULL;	61	return 0;
66	}	62	}
67		63
68	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
69	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
70	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
80	dest->skill = spob->skill;	76	dest->skill = spob->skill;
81	else	77	else
82	dest->skill = caster->skill;	78	dest->skill = caster->skill;
83	}	79	}
84		80
85	/* init_spells: This should really be called check_spells, as that
86	* is what it does. It goes through the spells looking for any
87	* obvious errors. This was most useful in debugging when re-doing
88	* all the spells to catch simple errors. To use it all the time
89	* will result in it spitting out messages that aren't really errors.
90	*/
91	void
92	init_spells (void)
93	{
94	#ifdef SPELL_DEBUG
95	static int init_spells_done = 0;
96	int i;
97	archetype *at;
98
99	if (init_spells_done)
100	return;
101	LOG (llevDebug, "Checking spells...\n");
102
103	for (at = first_archetype; at; at = at->next)
104	{
105	if (at->clone.type == SPELL)
106	{
107	if (at->clone.skill)
108	{
109	for (i = 1; i < NUM_SKILLS; i++)
110	if (!strcmp (skill_names[i], at->clone.skill))
111	break;
112	if (i == NUM_SKILLS)
113	{
114	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
115	}
116	}
117	/* other_arch is already checked for in the loader */
118	}
119	}
120
121	i = 0;
122	while (spell_mapping[i])
123	{
124	if (!archetype::find (spell_mapping[i]))
125	{
126	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
127	}
128	i++;
129	}
130	LOG (llevDebug, "Checking spells completed.\n");
131	#endif
132	}
133
134	/* Dumps all the spells - now also dumps skill associated with the spell.
135	* not sure what this would be used for, as the data seems pretty
136	* minimal, but easy enough to keep around.
137	*/
138	void
139	dump_spells (void)
140	{
141	archetype *at;
142
143	for (at = first_archetype; at; at = at->next)
144	{
145	if (at->clone.type == SPELL)
146	{
147	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
148	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
149	}
150	}
151	}
152
153	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
154	* an object, sets the x,y, and calls insert_ob_in_map	82	* an object, sets the x,y, and calls insert_ob_in_map
155	*/	83	*/
156
157	void	84	void
158	spell_effect (object *spob, int x, int y, maptile *map, object *originator)	85	spell_effect (object *spob, int x, int y, maptile *map, object *originator)
159	{	86	{
160
161	if (spob->other_arch != NULL)	87	if (spob->other_arch)
162	{	88	map->insert (spob->other_arch->instance (), x, y, originator);
163	object *effect = arch_to_object (spob->other_arch);
164
165	effect->x = x;
166	effect->y = y;
167
168	insert_ob_in_map (effect, map, originator, 0);
169	}
170	}	89	}
171		90
172	/*	91	static int
173	* This function takes a caster and spell and presents the	92	attuned_bonus (object *caster, object *spell, int level)
174	* effective level the caster needs to be to cast the spell.
175	* basically, it just adjusts the spell->level with attuned/repelled
176	* spellpaths. Was called path_level_mod
177	*
178	* caster is person casting hte spell.
179	* spell is the spell object.
180	* Returns modified level.
181	*/
182	int
183	min_casting_level (object *caster, object *spell)
184	{	93	{
185	int new_level;	94	// compute the attuned/repelled bonus
186		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
187	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
188	return 1;	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
189		98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
190	new_level = spell->level
191	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
192
193	return (new_level < 1) ? 1 : new_level;
194	}	99	}
195
196		100
197	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
198	* is being cast at.	102	* is being cast at.
199	* Note that I changed the repelled/attuned bonus to 2 from 5.
200	* This is because the new code compares casting_level against
201	* min_caster_level, so the difference is effectively 4
202	*/	103	*/
203
204	int	104	int
205	caster_level (object *caster, object *spell)	105	casting_level (object *caster, object *spell)
206	{	106	{
207	int level = caster->level;	107	int level = caster->level;
208
209	/* If this is a player, try to find the matching skill */
210	if (caster->type == PLAYER && spell->skill)
211	for (int i = 0; i < NUM_SKILLS; i++)
212	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
213	{
214	level = caster->contr->last_skill_ob[i]->level;
215	break;
216	}
217		108
218	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	109	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
219	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
220	{	111	{
221	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	112	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
222	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
223		114
224	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
225	}	116	}
		117	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		118	if (object *skill = caster->contr->find_skill (spell->skill))
		119	level = skill->level;
226		120
227	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
228	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	122
		123	level += bonus;
		124
		125	// now scale the effective level from the startinglevel..100 range to 1..100
		126	if (level < 100)
		127	level = lerp (level, (int)spell->level, 100, 1, 100);
229		128
230	/* Always make this at least 1. If this is zero, we get divide by zero	129	/* Always make this at least 1. If this is zero, we get divide by zero
231	* errors in various places.	130	* errors in various places.
232	*/	131	*/
233	if (level < 1)	132	return clamp (level, 1, settings.max_level);
234	level = 1;
235
236	return level;
237	}	133	}
238		134
239	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
240	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
241	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
245	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
246	* spell is the spell object.	142	* spell is the spell object.
247	* Note that it is now possible for a spell to cost both grace and	143	* Note that it is now possible for a spell to cost both grace and
248	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
249	*/	145	*/
250
251	sint16	146	sint16
252	SP_level_spellpoint_cost (object *caster, object *spell, int flags)	147	SP_level_spellpoint_cost (object *caster, object *spell, int flags)
253	{	148	{
254	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
255		150
256	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
257	{	152	{
258	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
259	{
260	sp = (int) (spell->stats.sp * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxsp)));	154	sp = spell->stats.sp * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxsp));
261	}
262	else	155	else
263	sp = spell->stats.sp;	156	sp = spell->stats.sp;
264		157
265	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
266	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
267	sp = 1;	160	sp = 1;
268		161
269	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
270	{
271	grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace)));	163	grace = spell->stats.grace * (1.0 + max (0, float (level - spell->level) / spell->stats.maxgrace));
272	}
273	else	164	else
274	grace = spell->stats.grace;	165	grace = spell->stats.grace;
275		166
276	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
277	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
278	grace = 1;	169	grace = 1;
279	}	170	}
280	else	171	else
281	{	172	{
282	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
283	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
284	sp = 1;	175	sp = 1;
		176
285	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
286	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
287	grace = 1;	179	grace = 1;
288	}	180	}
		181
289	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
290	return MAX (sp, grace);	183	return max (sp, grace);
291	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
292	return grace;	185	return grace;
293	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
294	return sp;	187	return sp;
295	else	188	else
…		…
297	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	190	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
298	return 0;	191	return 0;
299	}	192	}
300	}	193	}
301		194
		195	/*
		196	* Return the effective casting level of the spell.
		197	* To make spells independent of their starting level, this function
		198	* scales the range spellstartlevel .. 100 into the range 1..100
		199	*/
		200	static int
		201	SP_casting_level (object *caster, object *spell)
		202	{
		203	return casting_level (caster, spell);
		204	}
302		205
303	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
304	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
305	*/	208	*/
306	int	209	int
307	SP_level_dam_adjust (object *caster, object *spob)	210	SP_level_dam_adjust (object *caster, object *spob)
308	{	211	{
309	int level = caster_level (caster, spob);
310	int adj = level - min_casting_level (caster, spob);
311
312	if (adj < 0)
313	adj = 0;
314	if (spob->dam_modifier)	212	if (!spob->dam_modifier)
315	adj /= spob->dam_modifier;
316	else
317	adj = 0;
318	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
319	}	216	}
320		217
321	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
322	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
323	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
324	*/	221	*/
325	int	222	int
326	SP_level_duration_adjust (object *caster, object *spob)	223	SP_level_duration_adjust (object *caster, object *spob)
327	{	224	{
328	int level = caster_level (caster, spob);
329	int adj = level - min_casting_level (caster, spob);
330
331	if (adj < 0)
332	adj = 0;
333	if (spob->duration_modifier)	225	if (!spob->duration_modifier)
334	adj /= spob->duration_modifier;
335	else
336	adj = 0;
337
338	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
339	}	229	}
340		230
341	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
342	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
343	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
344	*/	234	*/
345	int	235	int
346	SP_level_range_adjust (object *caster, object *spob)	236	SP_level_range_adjust (object *caster, object *spob)
347	{	237	{
348	int level = caster_level (caster, spob);
349	int adj = level - min_casting_level (caster, spob);
350
351	if (adj < 0)
352	adj = 0;
353	if (spob->range_modifier)	238	if (!spob->range_modifier)
354	adj /= spob->range_modifier;
355	else
356	adj = 0;
357
358	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
359	}	242	}
360		243
361	/* Checks to see if player knows the spell. If the name is the same	244	/* Checks to see if player knows the spell. If the name is the same
362	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
363	* returns 1 if they know the spell, 0 if they don't.	246	* returns 1 if they know the spell, 0 if they don't.
364	*/	247	*/
365	object *	248	object *
366	check_spell_known (object *op, const char *name)	249	check_spell_known (object *op, shstr_cmp name)
367	{	250	{
368	object *spop;	251	object *spop;
369		252
370	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
371	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
372	return spop;	255	return spop;
373		256
374	return NULL;	257	return 0;
375	}	258	}
376
377		259
378	/*	260	/*
379	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
380	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
381	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
382	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
383	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
384	* exact match, we also return NULL.	266	* exact match, we also return NULL.
385	*/	267	*/
386
387	object *	268	object *
388	lookup_spell_by_name (object *op, const char *spname)	269	lookup_spell_by_name (object *op, const char *spname)
389	{	270	{
390	object *spob1 = NULL, *spob2 = NULL, *spob;	271	object *spob1 = 0, *spob2 = 0;
391	int nummatch = 0;	272	int nummatch = 0;
392		273
393	if (spname == NULL)	274	if (!spname)
394	return NULL;	275	return 0;
395		276
396	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
397	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
398	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
399	*/	280	*/
400	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
401	{	282	{
402	if (spob->type == SPELL)	283	if (spob->type == SPELL)
403	{	284	{
		285	// TODO: WTF?
404	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
405	{	287	{
406	nummatch++;	288	nummatch++;
407	spob1 = spob;	289	spob1 = spob;
408	}	290	}
…		…
413	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
414	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
415	*/	297	*/
416	if (spob2)	298	if (spob2)
417	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);	299	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
		300
418	spob2 = spob;	301	spob2 = spob;
419	}	302	}
420	}	303	}
421	}	304	}
422	/* if we have best match, return it. Otherwise, if we have one match	305	/* if we have best match, return it. Otherwise, if we have one match
423	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
424	*/	307	*/
425	if (spob2)	308	if (spob2)
426	return spob2;	309	return spob2;
		310
427	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
428	return spob1;	312	return spob1;
		313
429	return NULL;	314	return NULL;
430	}	315	}
431		316
432	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
433	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
437	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
438	*/	323	*/
439	int	324	int
440	reflwall (maptile *m, int x, int y, object *sp_op)	325	reflwall (maptile *m, int x, int y, object *sp_op)
441	{	326	{
442	object *op;
443
444	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
445	return 0;	328	return 0;
446	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)	329
447	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)
448	sp_op->type == LIGHTNING || (rndm (0, 99)) < 90 - (sp_op->level / 10)))	331	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
		332	&& (!QUERY_FLAG (op, FLAG_ALIVE)
		333	|| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
449	return 1;	334	return 1;
450		335
451	return 0;	336	return 0;
452	}	337	}
453		338
…		…
470	{	355	{
471	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.");
472	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.");
473	dir = 0;	358	dir = 0;
474	}	359	}
475	new_op->x = op->x + freearr_x[dir];	360
476	new_op->y = op->y + freearr_y[dir];	361	SET_FLAG (new_op, FLAG_IDENTIFIED);
477	if (dir == 0)	362	op->map->insert (new_op,
478	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
479	else	364	op,
480	insert_ob_in_map (new_op, op->map, op, 0);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
		366
481	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;
482	}	386	}
483		387
484	/* 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.
485	* immune_stop is basically the attacktype of the spell (why	389	* immune_stop is basically the attacktype of the spell (why
486	* passed as a different value, not sure of). If immune_stop	390	* passed as a different value, not sure of). If immune_stop
487	* has the AT_MAGIC bit set, and there is a counterwall	391	* has the AT_MAGIC bit set, and there is a counterwall
488	* 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
489	* 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.
490	*	394	*/
491	*/
492
493	int	395	int
494	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)	396	ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
495	{	397	{
496	object *tmp;	398	if (!xy_normalise (m, x, y))
497	int mflags;
498	maptile *mp;
499
500	mp = m;
501	mflags = get_map_flags (m, &mp, x, y, &x, &y);
502
503	if (mflags & P_OUT_OF_MAP)
504	return 0;	399	return 0;
505		400
506	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))
507	return 0;	405	return 0;
508		406
509	for (tmp = get_map_ob (mp, x, y); tmp != NULL; tmp = tmp->above)	407	int max_effects = 5; // max. number of similar spells per mapspace
		408
		409	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
510	{	410	{
511	/* If there is a counterspell on the space, and this	411	/* If there is a counterspell on the space, and this
512	* object is using magic, don't progress. I believe we could	412	* object is using magic, don't progress. I believe we could
513	* 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
514	* 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
515	* 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
516	* 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
517	* 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
518	* spell to actually hit the counterwall and be sucked up.	418	* spell to actually hit the counterwall and be sucked up.
519	*/	419	*/
520	if ((tmp->attacktype & AT_COUNTERSPELL) &&	420	if ((tmp->attacktype & AT_COUNTERSPELL)
521	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	421	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
522	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	422	&& (tmp->type != PLAYER)
		423	&& (tmp->type != WEAPON)
		424	&& (tmp->type != BOW)
		425	&& (tmp->type != ARROW)
		426	&& (tmp->type != GOLEM)
		427	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		428	// we special case floor here because there
		429	// are sometimes spell effect floors
		430	// which are used to inflict damage
		431	// (and those shouldn't go away from
		432	// sanctuary) see also: permanent lava
		433	&& (immune_stop & AT_MAGIC))
523	return 0;	434	return 0;
524		435
525	/* This is to prevent 'out of control' spells. Basically, this
526	* limits one spell effect per space per spell. This is definately
527	* needed for performance reasons, and just for playability I believe.
528	* there are no such things as multispaced spells right now, so
529	* we don't need to worry about the head.
530	*/
531	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
532	return 0;
533
534	/*
535	* Combine similar spell effects into one spell effect. Needed for
536	* performance reasons with meteor swarm and the like, but also for
537	* playability reasons.
538	*/
539	if (tmp->arch == op->arch
540	&& tmp->type == op->type	436	if (tmp->type == op->type)
541	&& tmp->subtype == op->subtype
542	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
543	{	437	{
544	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	438	if (tmp->subtype == op->subtype
545	tmp->range = MAX (tmp->range, op->range);	439	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
546	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)
547	return 0;	470	return 0;
548	}	471	}
549		472
550	/* 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
551	* ground to prevent it from moving along?	474	* ground to prevent it from moving along?
552	*/	475	*/
553	}	476	}
		477
554	/* If it passes the above tests, it must be OK */	478	/* If it passes the above tests, it must be OK */
555	return 1;	479	return 1;
556	}	480	}
557		481
558	/* fire_arch_from_position: fires an archetype.	482	/* fire_arch_from_position: fires an archetype.
…		…
563	* dir: direction to fire in.	487	* dir: direction to fire in.
564	* 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
565	* to fire.	489	* to fire.
566	* returns 0 on failure, 1 on success.	490	* returns 0 on failure, 1 on success.
567	*/	491	*/
568
569	int	492	int
570	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)
571	{	494	{
572	object *tmp;
573	int mflags;
574	maptile *m;
575
576	if (spell->other_arch == NULL)	495	if (!spell->other_arch)
577	return 0;	496	return 0;
578		497
579	m = op->map;	498	object *tmp = spell->other_arch->instance ();
580	mflags = get_map_flags (m, &m, x, y, &x, &y);
581	if (mflags & P_OUT_OF_MAP)
582	{
583	return 0;
584	}
585		499
586	tmp = arch_to_object (spell->other_arch);	500	if (!tmp)
587
588	if (tmp == NULL)
589	return 0;	501	return 0;
590
591	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
592	{
593	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
594	free_object (tmp);
595	return 0;
596	}
597
598
599		502
600	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);
601	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	504	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
602	/* 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 */
603	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
604	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
605	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
606	tmp->x = x;
607	tmp->y = y;
608	tmp->direction = dir;	509	tmp->direction = dir;
609	if (get_owner (op) != NULL)	510	tmp->set_owner (op);
610	copy_owner (tmp, op);
611	else
612	set_owner (tmp, op);
613	tmp->level = caster_level (caster, spell);	511	tmp->level = casting_level (caster, spell);
614	set_spell_skill (op, caster, spell, tmp);	512	set_spell_skill (op, caster, spell, tmp);
615		513
616	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	514	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
617	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)	515	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
618	{
619	if (!tailor_god_spell (tmp, op))	516	if (!tailor_god_spell (tmp, op))
620	return 0;	517	return 0;
621	}	518
622	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	519	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
623	SET_ANIMATION (tmp, dir);	520	SET_ANIMATION (tmp, dir);
624		521
625	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	522	if ((tmp = op->map->insert (tmp, x, y, op)))
626	return 1;
627
628	move_spell_effect (tmp);	523	move_spell_effect (tmp);
629		524
630	return 1;	525	return 1;
631	}	526	}
632
633
634		527
635	/*****************************************************************************	528	/*****************************************************************************
636	*	529	*
637	* Code related to rods - perhaps better located in another file?	530	* Code related to rods - perhaps better located in another file?
638	*	531	*
639	****************************************************************************/	532	****************************************************************************/
640
641	void	533	void
642	regenerate_rod (object *rod)	534	regenerate_rod (object *rod)
643	{	535	{
644	if (rod->stats.hp < rod->stats.maxhp)	536	if (rod->stats.hp < rod->stats.maxhp)
645	{	537	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
646	rod->stats.hp += 1 + rod->stats.maxhp / 10;
647
648	if (rod->stats.hp > rod->stats.maxhp)
649	rod->stats.hp = rod->stats.maxhp;
650	}
651	}	538	}
652
653		539
654	void	540	void
655	drain_rod_charge (object *rod)	541	drain_rod_charge (object *rod)
656	{	542	{
657	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);
658	}	544	}
659
660
661
662		545
663	/* this function is commonly used to find a friendly target for	546	/* this function is commonly used to find a friendly target for
664	* spells such as heal or protection or armour	547	* spells such as heal or protection or armour
665	* 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),
666	* 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
667	* NULL if no good object.	550	* NULL if no good object.
668	*/	551	*/
669
670	object *	552	object *
671	find_target_for_friendly_spell (object *op, int dir)	553	find_target_for_friendly_spell (object *op, int dir)
672	{	554	{
673	object *tmp;	555	object *tmp;
674	maptile *m;
675	sint16 x, y;
676	int mflags;
677		556
678	/* 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,
679	* we then make the owner of this object the target.	558	* we then make the owner of this object the target.
680	* The owner could very well be no where near op.	559	* The owner could very well be no where near op.
681	*/	560	*/
682	if (op->type != PLAYER && op->type != RUNE)	561	if (op->type != PLAYER && op->type != RUNE)
683	{	562	{
684	tmp = get_owner (op);	563	tmp = op->owner;
685	/* 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
686	* to the caster.	565	* to the caster.
687	*/	566	*/
688	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))	567	if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))
689	tmp = op;	568	tmp = op;
690	}	569	}
691	else	570	else
692	{	571	{
693	m = op->map;	572	maptile *m = op->map;
694	x = op->x + freearr_x[dir];	573	sint16 x = op->x + freearr_x[dir];
695	y = op->y + freearr_y[dir];	574	sint16 y = op->y + freearr_y[dir];
696
697	mflags = get_map_flags (m, &m, x, y, &x, &y);
698
699	if (mflags & P_OUT_OF_MAP)
700	tmp = NULL;
701	else
702	{	575
703	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above)	576	tmp = xy_normalise (m, x, y)
704	if (tmp->type == PLAYER)	577	? m->at (x, y).player ()
705	break;	578	: 0;
706	}
707	}	579	}
		580
708	/* 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 */
709	if (tmp == NULL)	582	if (!tmp)
710	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	583	tmp = op->ms ().player ();
711	{
712	if (tmp->type == PLAYER)
713	break;
714	}
715		584
716	return tmp;	585	return tmp;
717	}	586	}
718
719
720		587
721	/* raytrace:	588	/* raytrace:
722	* 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
723	* 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
724	* live objects.	591	* live objects.
…		…
727	* monsters/generators only. If not, the spell will hunt players only.	594	* monsters/generators only. If not, the spell will hunt players only.
728	* 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
729	* any, otherwise -1.	596	* any, otherwise -1.
730	* 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.
731	*/	598	*/
732
733	int	599	int
734	spell_find_dir (maptile *m, int x, int y, object *exclude)	600	spell_find_dir (maptile *m, int x, int y, object *exclude)
735	{	601	{
736	int i, max = SIZEOFFREE;	602	int i, max = SIZEOFFREE;
737	sint16 nx, ny;	603	sint16 nx, ny;
…		…
751	mp = m;	617	mp = m;
752	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	618	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
753	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))	619	if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
754	continue;	620	continue;
755		621
756	tmp = get_map_ob (mp, nx, ny);	622	tmp = GET_MAP_OB (mp, nx, ny);
757		623
758	while (tmp != NULL && (((owner_type == PLAYER &&	624	while (tmp != NULL && (((owner_type == PLAYER &&
759	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||	625	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||
760	(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))))
761	tmp = tmp->above;	627	tmp = tmp->above;
…		…
764	return freedir[i];	630	return freedir[i];
765	}	631	}
766	return -1; /* flag for "keep going the way you were" */	632	return -1; /* flag for "keep going the way you were" */
767	}	633	}
768		634
769
770
771	/* put_a_monster: puts a monster named monstername near by	635	/* put_a_monster: puts a monster named monstername near by
772	* op. This creates the treasures for the monsters, and	636	* op. This creates the treasures for the monsters, and
773	* also deals with multipart monsters properly.	637	* also deals with multipart monsters properly.
774	*/	638	*/
775		639	static void
776	void
777	put_a_monster (object *op, const char *monstername)	640	put_a_monster (object *op, const char *monstername)
778	{	641	{
779	object *tmp, *head = NULL, *prev = NULL;	642	object *tmp, *head = NULL, *prev = NULL;
780	archetype *at;	643	archetype *at;
781	int dir;	644	int dir;
…		…
787		650
788	/* find a free square nearby	651	/* find a free square nearby
789	* first we check the closest square for free squares	652	* first we check the closest square for free squares
790	*/	653	*/
791		654
792	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);
793	if (dir != -1)	656	if (dir != -1)
794	{	657	{
795	/* This is basically grabbed for generate monster. Fixed 971225 to	658	/* This is basically grabbed for generate monster. Fixed 971225 to
796	* insert multipart monsters properly	659	* insert multipart monsters properly
797	*/	660	*/
		661	//TODO: use expand_tail + ...
798	while (at != NULL)	662	while (at != NULL)
799	{	663	{
800	tmp = arch_to_object (at);	664	tmp = at->instance ();
801	tmp->x = op->x + freearr_x[dir] + at->clone.x;	665	tmp->x = op->x + freearr_x[dir] + at->x;
802	tmp->y = op->y + freearr_y[dir] + at->clone.y;	666	tmp->y = op->y + freearr_y[dir] + at->y;
803	tmp->map = op->map;	667	tmp->map = op->map;
804	if (head)	668	if (head)
805	{	669	{
806	tmp->head = head;	670	tmp->head = head;
807	prev->more = tmp;	671	prev->more = tmp;
808	}	672	}
		673
809	if (!head)	674	if (!head)
810	head = tmp;	675	head = tmp;
		676
811	prev = tmp;	677	prev = tmp;
		678
812	at = at->more;	679	at = (archetype *)at->more;
813	}	680	}
814		681
815	if (head->randomitems)	682	if (head->randomitems)
816	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	683	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
817		684
818	insert_ob_in_map (head, op->map, op, 0);	685	insert_ob_in_map (head, op->map, op, 0);
819		686
820	/* thought it'd be cool to insert a burnout, too. */	687	/* thought it'd be cool to insert a burnout, too. */
821	tmp = get_archetype ("burnout");	688	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
822	tmp->map = op->map;
823	tmp->x = op->x + freearr_x[dir];
824	tmp->y = op->y + freearr_y[dir];
825	insert_ob_in_map (tmp, op->map, op, 0);
826	}	689	}
827	}	690	}
828		691
829	/* peterm: function which summons hostile monsters and	692	/* peterm: function which summons hostile monsters and
830	* places them in nearby squares.	693	* places them in nearby squares.
…		…
837	* 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
838	* 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
839	* never used. This is however used by various failures on the	702	* never used. This is however used by various failures on the
840	* players part (alchemy, reincarnation, etc)	703	* players part (alchemy, reincarnation, etc)
841	*/	704	*/
842
843	int	705	int
844	summon_hostile_monsters (object *op, int n, const char *monstername)	706	summon_hostile_monsters (object *op, int n, const char *monstername)
845	{	707	{
846	int i;	708	int i;
847		709
…		…
857	{	719	{
858	int attacktype;	720	int attacktype;
859	int face;	721	int face;
860	} ATTACKS[22] =	722	} ATTACKS[22] =
861	{	723	{
862	{
863	AT_PHYSICAL, 0},	724	{ AT_PHYSICAL, 0},
864	{
865	AT_PHYSICAL, 0}, /*face = explosion */	725	{ AT_PHYSICAL, 0}, /*face = explosion */
866	{
867	AT_PHYSICAL, 0},	726	{ AT_PHYSICAL, 0},
868	{
869	AT_MAGIC, 1},	727	{ AT_MAGIC, 1},
870	{
871	AT_MAGIC, 1}, /* face = last-burnout */	728	{ AT_MAGIC, 1}, /* face = last-burnout */
872	{
873	AT_MAGIC, 1},	729	{ AT_MAGIC, 1},
874	{
875	AT_FIRE, 2},	730	{ AT_FIRE, 2},
876	{
877	AT_FIRE, 2}, /* face = fire.... */	731	{ AT_FIRE, 2}, /* face = fire.... */
878	{
879	AT_FIRE, 2},	732	{ AT_FIRE, 2},
880	{
881	AT_ELECTRICITY, 3},	733	{ AT_ELECTRICITY, 3},
882	{
883	AT_ELECTRICITY, 3}, /* ball_lightning */	734	{ AT_ELECTRICITY, 3}, /* ball_lightning */
884	{
885	AT_ELECTRICITY, 3},	735	{ AT_ELECTRICITY, 3},
886	{
887	AT_COLD, 4},	736	{ AT_COLD, 4},
888	{
889	AT_COLD, 4}, /* face=icestorm */	737	{ AT_COLD, 4}, /* face=icestorm */
890	{
891	AT_COLD, 4},	738	{ AT_COLD, 4},
892	{
893	AT_CONFUSION, 5},	739	{ AT_CONFUSION, 5},
894	{
895	AT_POISON, 7},	740	{ AT_POISON, 7},
896	{
897	AT_POISON, 7}, /* face = acid sphere. generator */	741	{ AT_POISON, 7}, /* face = acid sphere. generator */
898	{
899	AT_POISON, 7}, /* poisoncloud face */	742	{ AT_POISON, 7}, /* poisoncloud face */
900	{
901	AT_SLOW, 8},	743	{ AT_SLOW, 8},
902	{
903	AT_PARALYZE, 9},	744	{ AT_PARALYZE, 9},
904	{
905	AT_FEAR, 10}};	745	{ AT_FEAR, 10},
906		746	};
907
908		747
909	/* shuffle_attack: peterm	748	/* shuffle_attack: peterm
910	* This routine shuffles the attack of op to one of the	749	* This routine shuffles the attack of op to one of the
911	* ones in the list. It does this at random. It also	750	* ones in the list. It does this at random. It also
912	* chooses a face appropriate to the attack that is	751	* chooses a face appropriate to the attack that is
…		…
935	{	774	{
936	SET_ANIMATION (op, ATTACKS[i].face);	775	SET_ANIMATION (op, ATTACKS[i].face);
937	}	776	}
938	}	777	}
939		778
940
941	/* prayer_failure: This is called when a player fails	779	/* prayer_failure: This is called when a player fails
942	* at casting a prayer.	780	* at casting a prayer.
943	* op is the player.	781	* op is the player.
944	* failure is basically how much grace they had.	782	* failure is basically how much grace they had.
945	* 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.
946	*/	784	*/
947		785	static void
948	void
949	prayer_failure (object *op, int failure, int power)	786	prayer_failure (object *op, int failure, int power)
950	{	787	{
951	const char *godname;	788	const char *godname;
952	object *tmp;	789	object *tmp;
953		790
…		…
957	if (failure <= -20 && failure > -40) /* wonder */	794	if (failure <= -20 && failure > -40) /* wonder */
958	{	795	{
959	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	796	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);
960	tmp = get_archetype (SPELL_WONDER);	797	tmp = get_archetype (SPELL_WONDER);
961	cast_cone (op, op, 0, tmp);	798	cast_cone (op, op, 0, tmp);
962	free_object (tmp);	799	tmp->destroy ();
963	}	800	}
964		801
965	else if (failure <= -40 && failure > -60) /* confusion */	802	else if (failure <= -40 && failure > -60) /* confusion */
966	{	803	{
967	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	804	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");
…		…
1001	if (failure <= -20 && failure > -40) /* wonder */	838	if (failure <= -20 && failure > -40) /* wonder */
1002	{	839	{
1003	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	840	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");
1004	tmp = get_archetype (SPELL_WONDER);	841	tmp = get_archetype (SPELL_WONDER);
1005	cast_cone (op, op, 0, tmp);	842	cast_cone (op, op, 0, tmp);
1006	free_object (tmp);	843	tmp->destroy ();
1007	}	844	}
1008		845
1009	else if (failure <= -40 && failure > -60) /* confusion */	846	else if (failure <= -40 && failure > -60) /* confusion */
1010	{	847	{
1011	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	848	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");
…		…
1030	else	867	else
1031	{	868	{
1032	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	869	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1033	tmp = get_archetype (LOOSE_MANA);	870	tmp = get_archetype (LOOSE_MANA);
1034	tmp->level = skill->level;	871	tmp->level = skill->level;
1035	tmp->x = op->x;
1036	tmp->y = op->y;
1037		872
1038	/* increase the area of destruction a little for more powerful spells */	873	/* increase the area of destruction a little for more powerful spells */
1039	tmp->range += isqrt (power);	874	tmp->range += isqrt (power);
1040		875
1041	if (power > 25)	876	if (power > 25)
1042	tmp->stats.dam = 25 + isqrt (power);	877	tmp->stats.dam = 25 + isqrt (power);
1043	else	878	else
1044	tmp->stats.dam = power; /* nasty recoils! */	879	tmp->stats.dam = power; /* nasty recoils! */
1045		880
1046	tmp->stats.maxhp = tmp->count;	881	tmp->stats.maxhp = tmp->count;
1047	insert_ob_in_map (tmp, op->map, NULL, 0);	882
		883	tmp->insert_at (op);
1048	}	884	}
1049	}	885	}
1050	}	886	}
1051		887
1052	int	888	static int
1053	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	889	cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1054	{	890	{
1055	int success;
1056	player *pl;
1057	object *spell;
1058
1059	if (!spell_ob->other_arch)	891	if (!spell_ob->other_arch)
1060	{	892	{
1061	LOG (llevError, "cast_party_spell: empty other arch\n");	893	LOG (llevError, "cast_party_spell: empty other arch\n");
1062	return 0;	894	return 0;
1063	}	895	}
1064	spell = arch_to_object (spell_ob->other_arch);	896
		897	object *spell = spell_ob->other_arch->instance ();
1065		898
1066	/* Always cast spell on caster */	899	/* Always cast spell on caster */
1067	success = cast_spell (op, caster, dir, spell, stringarg);	900	int success = cast_spell (op, caster, dir, spell, spellparam);
1068		901
1069	if (caster->contr->party == NULL)	902	if (!op->contr || !op->contr->party)
1070	{	903	{
1071	remove_ob (spell);	904	spell->remove ();
1072	return success;	905	return success;
1073	}	906	}
1074	for (pl = first_player; pl != NULL; pl = pl->next)	907
1075	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	908	for_all_players (pl)
1076	{	909	if ((pl->ob->contr->party == op->contr->party)
		910	&& on_same_map (pl->ob, op)
		911	&& pl->ob != op)
1077	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	912	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1078	}	913
1079	remove_ob (spell);	914	spell->remove ();
1080	return success;	915	return success;
1081	}	916	}
1082		917
1083	/* This is where the main dispatch when someone casts a spell.	918	/* This is where the main dispatch when someone casts a spell.
1084	*	919	*
…		…
1088	* same as op.	923	* same as op.
1089	* dir is the direction to cast in. Note in some cases, if the spell	924	* dir is the direction to cast in. Note in some cases, if the spell
1090	* is self only, dir really doesn't make a difference.	925	* is self only, dir really doesn't make a difference.
1091	* spell_ob is the spell object that is being cast. From that,	926	* spell_ob is the spell object that is being cast. From that,
1092	* we can determine what to do.	927	* we can determine what to do.
1093	* stringarg is any options that are being used. It can be NULL. Almost	928	* spellparam is any options that are being used. It can be NULL. Almost
1094	* certainly, only players will set it. It is basically used as optional	929	* certainly, only players will set it. It is basically used as optional
1095	* parameters to a spell (eg, item to create, information for marking runes,	930	* parameters to a spell (eg, item to create, information for marking runes,
1096	* etc.	931	* etc.
1097	* returns 1 on successful cast, or 0 on error. These values should really	932	* returns 1 on successful cast, or 0 on error. These values should really
1098	* be swapped, so that 0 is successful, and non zero is failure, with a code	933	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1105	*	940	*
1106	* if it is a player casting the spell (op->type == PLAYER, op == caster),	941	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1107	* this function will decrease the mana/grace appropriately. For other	942	* this function will decrease the mana/grace appropriately. For other
1108	* objects, the caller should do what it considers appropriate.	943	* objects, the caller should do what it considers appropriate.
1109	*/	944	*/
1110
1111	int	945	int
1112	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)	946	cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1113	{	947	{
1114	const char *godname;	948	const char *godname;
1115	int success = 0, mflags, cast_level = 0, old_shoottype;	949	int success = 0;
1116	object *skill = NULL;	950	object *skill = NULL;
1117
1118	old_shoottype = op->contr ? op->contr->shoottype : 0;
1119		951
1120	if (!spell_ob)	952	if (!spell_ob)
1121	{	953	{
1122	LOG (llevError, "cast_spell: null spell object passed\n");	954	LOG (llevError, "cast_spell: null spell object passed\n");
1123	return 0;	955	return 0;
…		…
1151	* need to have the right skill pointer passed, so we need to	983	* need to have the right skill pointer passed, so we need to
1152	* at least process that code.	984	* at least process that code.
1153	*/	985	*/
1154	if (op->type == PLAYER && op == caster)	986	if (op->type == PLAYER && op == caster)
1155	{	987	{
1156	cast_level = caster_level (caster, spell_ob);
1157	if (spell_ob->skill)	988	if (spell_ob->skill)
1158	{	989	{
1159	skill = find_skill_by_name (op, spell_ob->skill);	990	skill = find_skill_by_name (op, spell_ob->skill);
		991
1160	if (!skill)	992	if (!skill)
1161	{	993	{
1162	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	994	op->failmsg (format ("You need the skill %s to cast %s! "
		995	"H<You either need to learn the skill via a skill scroll "
		996	"or you need to wear a talisman or holy symbol.>",
		997	&spell_ob->skill, &spell_ob->name));
1163	return 0;	998	return 0;
1164	}	999	}
1165	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1000
		1001	const char *msg = "";
		1002
		1003	int caster_level = skill->level;
		1004
		1005	if (op->path_attuned & spell_ob->path_attuned)
1166	{	1006	{
1167	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1007	caster_level += min (caster_level, ATTUNE_REPELL);
		1008	msg = " (attuned)";
		1009	}
		1010
		1011	if (op->path_repelled & spell_ob->path_attuned)
		1012	{
		1013	caster_level -= ATTUNE_REPELL; // negative is ok
		1014	msg = " (repelled)";
		1015	}
		1016
		1017	if (spell_ob->level > caster_level)
		1018	{
		1019	op->failmsg (format ("You lack enough skill to cast that spell! "
		1020	"H<Your effective cast level is %d%s, but level %d is required.>",
		1021	caster_level, msg, spell_ob->level));
		1022	if (!op->is_wiz ())
1168	return 0;	1023	return 0;
1169	}	1024	}
1170	}	1025	}
		1026
1171	/* If the caster is the wiz, they don't ever fail, and don't have	1027	/* If the caster is the wiz, they don't ever fail, and don't have
1172	* to have sufficient grace/mana.	1028	* to have sufficient grace/mana.
1173	*/	1029	*/
1174	if (!QUERY_FLAG (op, FLAG_WIZ))	1030	if (!QUERY_FLAG (op, FLAG_WIZCAST))
1175	{	1031	{
1176	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1032	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1177	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1033	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1178	{	1034	{
1179	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1035	op->failmsg ("You don't have enough mana!");
1180	return 0;	1036	return 0;
1181	}	1037	}
		1038
1182	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1039	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1183	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1040	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1184	{	1041	{
1185	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1042	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1186	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1043	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1187	{
1188	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1044	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1189	}
1190	else	1045	else
1191	{	1046	{
1192	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1047	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1193	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1048	op->failmsg (format ("%s ignores your prayer.", godname));
1194	return 0;	1049	return 0;
1195	}	1050	}
1196	}	1051	}
1197		1052
1198	/* player/monster is trying to cast the spell. might fumble it */	1053	/* player/monster is trying to cast the spell. might fumble it */
1199	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1054	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1200	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1055	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1201	{	1056	{
1202	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1057	op->contr->play_sound (sound_find ("fumble_spell"));
1203	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1058	op->failmsg ("You fumble the prayer.");
1204	if (settings.casting_time == TRUE)	1059
1205	{
1206	op->casting_time = -1;
1207	}
1208	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1060	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1209	return 0;	1061	return 0;
1210	}	1062	}
1211	else if (spell_ob->stats.sp)	1063	else if (spell_ob->stats.sp)
1212	{	1064	{
1213	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1065	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1214		1066
1215	if (failure < 0)	1067	if (failure < 0)
1216	{	1068	{
1217	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1069	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1218	if (settings.spell_failure_effects == TRUE)	1070	if (settings.spell_failure_effects == TRUE)
1219	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1071	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1220	op->contr->shoottype = (rangetype) old_shoottype;	1072
1221	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1073	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1222	return 0;	1074	return 0;
1223	}	1075	}
1224	}	1076	}
1225	}	1077	}
1226	}	1078	}
1227		1079
1228	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1080	int mflags = op->ms ().flags ();
1229		1081
1230	/* See if we can cast a spell here. If the caster and op are	1082	/* See if we can cast a spell here. If the caster and op are
1231	* not alive, then this would mean that the mapmaker put the	1083	* not alive, then this would mean that the mapmaker put the
1232	* objects on the space - presume that they know what they are	1084	* objects on the space - presume that they know what they are
1233	* doing.	1085	* doing.
1234	*/	1086	*/
1235		1087
1236	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1088	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1237	{	1089	{
1238	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1090	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1239	return 0;	1091	return 0;
1240	}	1092	}
1241		1093
1242	if ((spell_ob->type == SPELL)	1094	if ((spell_ob->type == SPELL)
1243	&& (caster->type != POTION)	1095	&& (caster->type != POTION)
…		…
1248	{	1100	{
1249	if (op->type != PLAYER)	1101	if (op->type != PLAYER)
1250	return 0;	1102	return 0;
1251		1103
1252	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1104	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1253	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1105	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1254	else	1106	else if (object *item = op->contr->ranged_ob)
1255	switch (op->contr->shoottype)
1256	{	1107	{
1257	case range_magic:	1108	if (item->type == SPELL)
1258	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1109	op->failmsg ("Something blocks your spellcasting.");
1259	break;	1110	else if (item->type == SCROLL)
1260	case range_misc:	1111	op->failmsg ("Something blocks the magic of your scroll.");
1261	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1262	break;
1263	case range_golem:
1264	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1265	break;
1266	default:
1267	break;
1268	}
1269	return 0;
1270	}
1271
1272	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1273	{
1274	if (op->casting_time == -1)
1275	{ /* begin the casting */
1276	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1277	op->spell = spell_ob;
1278	/* put the stringarg into the object struct so that when the
1279	* spell is actually cast, it knows about the stringarg.
1280	* necessary for the invoke command spells.
1281	*/
1282	if (stringarg)
1283	{
1284	op->spellarg = strdup_local (stringarg);
1285	}
1286	else	1112	else
1287	op->spellarg = NULL;	1113	op->failmsg ("Something blocks the magic of your item.");
1288	return 0;
1289	}
1290	else if (op->casting_time != 0)
1291	{
1292	if (op->type == PLAYER)
1293	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1294	return 0;
1295	}	1114	}
1296	else	1115	else
1297	{ /* casting_time == 0 */	1116	op->failmsg ("Something blocks the spell!");
1298	op->casting_time = -1;	1117
1299	spell_ob = op->spell;	1118	return 0;
1300	stringarg = op->spellarg;
1301	}
1302	}
1303	else
1304	{	1119	}
		1120
1305	/* Take into account how long it takes to cast the spell.	1121	/* Take into account how long it takes to cast the spell.
1306	* if the player is casting it, then we use the time in	1122	* if the player is casting it, then we use the time in
1307	* the spell object. If it is a spell object, have it	1123	* the spell object. If it is a spell object, have it
1308	* take two ticks. Things that cast spells on the players	1124	* take two ticks. Things that cast spells on the players
1309	* behalf (eg, altars, and whatever else) shouldn't cost	1125	* behalf (eg, altars, and whatever else) shouldn't cost
1310	* the player any time.	1126	* the player any time.
1311	* Ignore casting time for firewalls	1127	* Ignore casting time for firewalls
		1128	*/
		1129	if (caster == op && caster->type != FIREWALL)
		1130	{
		1131	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1132	/* Other portions of the code may also decrement the speed of the player, so
		1133	* put a lower limit so that the player isn't stuck here too long
1312	*/	1134	*/
1313	if (caster == op && caster->type != FIREWALL)
1314	{
1315	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1316	/* Other portions of the code may also decrement the speed of the player, so
1317	* put a lower limit so that the player isn't stuck here too long
1318	*/
1319	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1135	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1320	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1136	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1321	}	1137	}
1322	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)	1138	else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1323	{
1324	op->speed_left -= 2 * FABS (op->speed);	1139	op->speed_left -= 2 * op->speed;
1325	}
1326	}
1327		1140
1328	if (op->type == PLAYER && op == caster)	1141	if (op->type == PLAYER && op == caster)
1329	{	1142	{
1330	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1143	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1331	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1144	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1338	if (op != caster && !skill && caster->skill)	1151	if (op != caster && !skill && caster->skill)
1339	{	1152	{
1340	skill = find_skill_by_name (op, caster->skill);	1153	skill = find_skill_by_name (op, caster->skill);
1341	if (!skill)	1154	if (!skill)
1342	{	1155	{
1343	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1156	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1344	return 0;	1157	return 0;
1345	}	1158	}
		1159
1346	change_skill (op, skill, 0); /* needed for proper exp credit */	1160	op->change_skill (skill); /* needed for proper exp credit */
1347	}	1161	}
		1162
		1163	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1164	return RESULT_INT (0);
1348		1165
1349	switch (spell_ob->subtype)	1166	switch (spell_ob->subtype)
1350	{	1167	{
1351	/* The order of case statements is same as the order they show up	1168	/* The order of case statements is same as the order they show up
1352	* in in spells.h.	1169	* in spells.h.
1353	*/	1170	*/
1354	case SP_RAISE_DEAD:	1171	case SP_RAISE_DEAD:
1355	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1172	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1356	break;	1173	break;
1357		1174
1358	case SP_RUNE:	1175	case SP_RUNE:
1359	success = write_rune (op, caster, spell_ob, dir, stringarg);	1176	success = write_rune (op, caster, spell_ob, dir, spellparam);
1360	break;	1177	break;
1361		1178
1362	case SP_MAKE_MARK:	1179	case SP_MAKE_MARK:
1363	success = write_mark (op, spell_ob, stringarg);	1180	success = write_mark (op, spell_ob, spellparam);
1364	break;	1181	break;
1365		1182
1366	case SP_BOLT:	1183	case SP_BOLT:
1367	success = fire_bolt (op, caster, dir, spell_ob, skill);	1184	success = fire_bolt (op, caster, dir, spell_ob, skill);
1368	break;	1185	break;
…		…
1386	case SP_SMITE:	1203	case SP_SMITE:
1387	success = cast_smite_spell (op, caster, dir, spell_ob);	1204	success = cast_smite_spell (op, caster, dir, spell_ob);
1388	break;	1205	break;
1389		1206
1390	case SP_MAGIC_MISSILE:	1207	case SP_MAGIC_MISSILE:
1391	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1208	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1392	break;	1209	break;
1393		1210
1394	case SP_SUMMON_GOLEM:	1211	case SP_SUMMON_GOLEM:
1395	success = summon_golem (op, caster, dir, spell_ob);	1212	success = summon_golem (op, caster, dir, spell_ob);
1396	old_shoottype = range_golem;
1397	break;	1213	break;
1398		1214
1399	case SP_DIMENSION_DOOR:	1215	case SP_DIMENSION_DOOR:
1400	/* dimension door needs the actual caster, because that is what is	1216	/* dimension door needs the actual caster, because that is what is
1401	* moved.	1217	* moved.
1402	*/	1218	*/
1403	success = dimension_door (op, caster, spell_ob, dir);	1219	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1404	break;	1220	break;
1405		1221
1406	case SP_MAGIC_MAPPING:	1222	case SP_MAGIC_MAPPING:
1407	if (op->type == PLAYER)	1223	if (op->type == PLAYER)
1408	{	1224	{
…		…
1441	case SP_HEALING:	1257	case SP_HEALING:
1442	success = cast_heal (op, caster, spell_ob, dir);	1258	success = cast_heal (op, caster, spell_ob, dir);
1443	break;	1259	break;
1444		1260
1445	case SP_CREATE_FOOD:	1261	case SP_CREATE_FOOD:
1446	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1262	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1447	break;	1263	break;
1448		1264
1449	case SP_EARTH_TO_DUST:	1265	case SP_EARTH_TO_DUST:
1450	success = cast_earth_to_dust (op, caster, spell_ob);	1266	success = cast_earth_to_dust (op, caster, spell_ob);
1451	break;	1267	break;
…		…
1461	case SP_CURSE:	1277	case SP_CURSE:
1462	success = cast_curse (op, caster, spell_ob, dir);	1278	success = cast_curse (op, caster, spell_ob, dir);
1463	break;	1279	break;
1464		1280
1465	case SP_SUMMON_MONSTER:	1281	case SP_SUMMON_MONSTER:
1466	success = summon_object (op, caster, spell_ob, dir, stringarg);	1282	success = summon_object (op, caster, spell_ob, dir, spellparam);
1467	break;	1283	break;
1468		1284
1469	case SP_CHARGING:	1285	case SP_CHARGING:
1470	success = recharge (op, caster, spell_ob);	1286	success = recharge (op, caster, spell_ob);
1471	break;	1287	break;
…		…
1474	#ifdef NO_POLYMORPH	1290	#ifdef NO_POLYMORPH
1475	/* Not great, but at least provide feedback so if players do have	1291	/* Not great, but at least provide feedback so if players do have
1476	* polymorph (ie, find it as a preset item or left over from before	1292	* polymorph (ie, find it as a preset item or left over from before
1477	* it was disabled), they get some feedback.	1293	* it was disabled), they get some feedback.
1478	*/	1294	*/
1479	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1295	op->failmsg ("The spell fizzles!");
1480	success = 0;	1296	success = 0;
1481	#else	1297	#else
1482	success = cast_polymorph (op, caster, spell_ob, dir);	1298	success = cast_polymorph (op, caster, spell_ob, dir);
1483	#endif	1299	#endif
1484	break;	1300	break;
…		…
1504	break;	1320	break;
1505		1321
1506	case SP_MOVING_BALL:	1322	case SP_MOVING_BALL:
1507	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1323	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1508	{	1324	{
1509	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1325	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1510	success = 0;	1326	success = 0;
1511	}	1327	}
1512	else	1328	else
1513	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1329	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1514	break;	1330	break;
1515		1331
1516	case SP_SWARM:	1332	case SP_SWARM:
1517	success = fire_swarm (op, caster, spell_ob, dir);	1333	success = fire_swarm (op, caster, spell_ob, dir);
1518	break;	1334	break;
…		…
1525	/* in rune.c */	1341	/* in rune.c */
1526	success = dispel_rune (op, caster, spell_ob, skill, dir);	1342	success = dispel_rune (op, caster, spell_ob, skill, dir);
1527	break;	1343	break;
1528		1344
1529	case SP_CREATE_MISSILE:	1345	case SP_CREATE_MISSILE:
1530	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1346	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1531	break;	1347	break;
1532		1348
1533	case SP_CONSECRATE:	1349	case SP_CONSECRATE:
1534	success = cast_consecrate (op, caster, spell_ob);	1350	success = cast_consecrate (op, caster, spell_ob);
1535	break;	1351	break;
1536		1352
1537	case SP_ANIMATE_WEAPON:	1353	case SP_ANIMATE_WEAPON:
1538	success = animate_weapon (op, caster, spell_ob, dir);	1354	success = animate_weapon (op, caster, spell_ob, dir);
1539	old_shoottype = range_golem;
1540	break;	1355	break;
1541		1356
1542	case SP_LIGHT:	1357	case SP_LIGHT:
1543	success = cast_light (op, caster, spell_ob, dir);	1358	success = cast_light (op, caster, spell_ob, dir);
1544	break;	1359	break;
…		…
1557		1372
1558	case SP_AURA:	1373	case SP_AURA:
1559	success = create_aura (op, caster, spell_ob);	1374	success = create_aura (op, caster, spell_ob);
1560	break;	1375	break;
1561		1376
1562	case SP_TOWN_PORTAL:
1563	success = cast_create_town_portal (op, caster, spell_ob, dir);
1564	break;
1565
1566	case SP_PARTY_SPELL:	1377	case SP_PARTY_SPELL:
1567	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1378	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1568	break;	1379	break;
1569		1380
1570	default:	1381	default:
1571	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1572	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1382	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1573	}
1574
1575	/* FIXME - we need some better sound suppport */
1576	// yes, for example, augment map info with the spell effect
1577	// so clients can calculate the sounds themselves
1578	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1579
1580	/* free the spell arg */
1581	if (settings.casting_time == TRUE && stringarg)
1582	{	1383	}
1583	free (stringarg);	1384
1584	stringarg = NULL;	1385	op->play_sound (
1585	}	1386	success
1586	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1387	? spell_ob->sound
1587	* to something like use_magic_item, but you really want to be able to fire	1388	? spell_ob->sound
1588	* it again.	1389	: sound_find ("spell_success")
1589	*/	1390	: sound_find ("fumble_spell")
1590	if (op->contr)	1391	);
1591	op->contr->shoottype = (rangetype) old_shoottype;
1592		1392
1593	return success;	1393	return success;
1594	}	1394	}
1595		1395
1596
1597	/* This is called from time.c/process_object(). That function	1396	/* This is called from time.c/process_object(). That function
1598	* calls this for any SPELL_EFFECT type objects. This function	1397	* calls this for any SPELL_EFFECT type objects. This function
1599	* then dispatches them to the appropriate specific routines.	1398	* then dispatches them to the appropriate specific routines.
1600	*/	1399	*/
1601	void	1400	void
1602	move_spell_effect (object *op)	1401	move_spell_effect (object *op)
1603	{	1402	{
…		…
1643	move_aura (op);	1442	move_aura (op);
1644	break;	1443	break;
1645	}	1444	}
1646	}	1445	}
1647		1446
1648	/* this checks to see if something special should happen if
1649	* something runs into the object.
1650	*/
1651	void
1652	check_spell_effect (object *op)
1653	{
1654	switch (op->subtype)
1655	{
1656	case SP_BOLT:
1657	move_bolt (op);
1658	return;
1659
1660	case SP_BULLET:
1661	check_bullet (op);
1662	return;
1663	}
1664	}
1665
1666	/* This is called by move_apply. Basically, if someone	1447	/* This is called by move_apply. Basically, if someone
1667	* moves onto a spell effect and the walk_on or fly_on flags	1448	* moves onto a spell effect and the walk_on or fly_on flags
1668	* are set, this is called. This should only be called for	1449	* are set, this is called. This should only be called for
1669	* objects of the appropraite type.	1450	* objects of the appropriate type.
1670	*/	1451	*/
1671	void	1452	void
1672	apply_spell_effect (object *spell, object *victim)	1453	apply_spell_effect (object *spell, object *victim)
1673	{	1454	{
1674	switch (spell->subtype)	1455	switch (spell->subtype)
1675	{	1456	{
1676	case SP_CONE:	1457	case SP_CONE:
1677	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1458	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->has_active_speed () && spell->attacktype)
1678	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1459	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1679	break;	1460	break;
1680		1461
1681	case SP_MAGIC_MISSILE:	1462	case SP_MAGIC_MISSILE:
1682	if (QUERY_FLAG (victim, FLAG_ALIVE))	1463	if (QUERY_FLAG (victim, FLAG_ALIVE))
1683	{	1464	{
1684	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1465	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1685
1686	if (!spell->destroyed ())	1466	spell->destroy ();
1687	{
1688	remove_ob (spell);
1689	free_object (spell);
1690	}
1691	}	1467	}
1692	break;	1468	break;
1693		1469
1694	case SP_MOVING_BALL:	1470	case SP_MOVING_BALL:
1695	if (QUERY_FLAG (victim, FLAG_ALIVE))	1471	if (QUERY_FLAG (victim, FLAG_ALIVE))
1696	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1472	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1697	else if (victim->material || victim->materialname)	1473	else if (victim->material != MATERIAL_NULL)
1698	save_throw_object (victim, spell->attacktype, spell);	1474	save_throw_object (victim, spell->attacktype, spell);
		1475
1699	break;	1476	break;
1700	}	1477	}
1701	}	1478	}
		1479
		1480	/**
		1481	* This function will let a fireball explode at the position of
		1482	* the victim with a specific maximum level.
		1483	*/
		1484	void
		1485	create_exploding_ball_at (object *victim, int level)
		1486	{
		1487	object *ball = get_archetype (EXPLODING_FIREBALL);
		1488	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1489	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1490	ball->insert_at (victim);
		1491	}

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