[ViewVC] Diff of: cvs/deliantra/server/server/spell

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.35 by root, Thu Jan 18 22:20:00 2007 UTC vs.
Revision 1.99 by root, Mon Oct 12 14:00:59 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 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	*	17	*
18	* 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
19	* 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
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	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
25		24
26	#include <global.h>	25	#include <global.h>
27	#include <spells.h>	26	#include <spells.h>
28	#include <object.h>	27	#include <object.h>
29	#include <errno.h>	28	#include <errno.h>
35	/* 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
36	* 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
37	* matching spells are used.	36	* matching spells are used.
38	*/	37	*/
39	object *	38	object *
40	find_random_spell_in_ob (object ob, const char skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
41	{	40	{
42	int k = 0, s;	41	int k = 0, s;
43	object *tmp;
44		42
45	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
46	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
47	k++;	45	k++;
48		46
49	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
50	if (!k)	48	if (!k)
51	return NULL;	49	return NULL;
52		50
53	s = RANDOM () % k;	51	s = rndm (k);
54		52
55	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
56	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
57	{
58	if (!s)	55	if (!s)
59	return tmp;	56	return tmp;
60	else	57	else
61	s--;	58	s--;
62	}	59
63	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
64	return NULL;	61	return 0;
65	}	62	}
66		63
67	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
68	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
69	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
79	dest->skill = spob->skill;	76	dest->skill = spob->skill;
80	else	77	else
81	dest->skill = caster->skill;	78	dest->skill = caster->skill;
82	}	79	}
83		80
84	/* init_spells: This should really be called check_spells, as that
85	* is what it does. It goes through the spells looking for any
86	* obvious errors. This was most useful in debugging when re-doing
87	* all the spells to catch simple errors. To use it all the time
88	* will result in it spitting out messages that aren't really errors.
89	*/
90	void
91	init_spells (void)
92	{
93	#ifdef SPELL_DEBUG
94	static int init_spells_done = 0;
95	int i;
96	archetype *at;
97
98	if (init_spells_done)
99	return;
100	LOG (llevDebug, "Checking spells...\n");
101
102	for (at = first_archetype; at; at = at->next)
103	{
104	if (at->clone.type == SPELL)
105	{
106	if (at->clone.skill)
107	{
108	for (i = 1; i < NUM_SKILLS; i++)
109	if (!strcmp (skill_names[i], at->clone.skill))
110	break;
111	if (i == NUM_SKILLS)
112	{
113	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
114	}
115	}
116	/* other_arch is already checked for in the loader */
117	}
118	}
119
120	i = 0;
121	while (spell_mapping[i])
122	{
123	if (!archetype::find (spell_mapping[i]))
124	{
125	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
126	}
127	i++;
128	}
129	LOG (llevDebug, "Checking spells completed.\n");
130	#endif
131	}
132
133	/* Dumps all the spells - now also dumps skill associated with the spell.
134	* not sure what this would be used for, as the data seems pretty
135	* minimal, but easy enough to keep around.
136	*/
137	void
138	dump_spells (void)
139	{
140	archetype *at;
141
142	for (at = first_archetype; at; at = at->next)
143	{
144	if (at->clone.type == SPELL)
145	{
146	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
147	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
148	}
149	}
150	}
151
152	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
153	* 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
154	*/	83	*/
155	void	84	void
156	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)
157	{	86	{
158	if (spob->other_arch)	87	if (spob->other_arch)
159	map->insert (arch_to_object (spob->other_arch), x, y, originator);	88	map->insert (arch_to_object (spob->other_arch), x, y, originator);
160	}	89	}
161		90
162	/*	91	static int
163	* This function takes a caster and spell and presents the	92	attuned_bonus (object caster, object spell, int level)
164	* effective level the caster needs to be to cast the spell.
165	* basically, it just adjusts the spell->level with attuned/repelled
166	* spellpaths. Was called path_level_mod.
167	*
168	* caster is person casting the spell.
169	* spell is the spell object.
170	* Returns modified level.
171	*/
172	int
173	min_casting_level (object caster, object spell)
174	{	93	{
175	int new_level;	94	// compute the attuned/repelled bonus
176		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
177	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
178	return 1;	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
179
180	new_level = spell->level
181	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
182	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
183
184	return max (1, new_level);
185	}	99	}
186		100
187	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
188	* is being cast at.	102	* is being cast at.
189	* Note that I changed the repelled/attuned bonus to 2 from 5.
190	* This is because the new code compares casting_level against
191	* min_caster_level, so the difference is effectively 4
192	*/	103	*/
193
194	int	104	int
195	caster_level (object caster, object spell)	105	casting_level (object caster, object spell)
196	{	106	{
197	int level = caster->level;	107	int level = caster->level;
198
199	/* If this is a player, try to find the matching skill */
200	if (caster->type == PLAYER && spell->skill)
201	for (int i = 0; i < NUM_SKILLS; i++)
202	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
203	{
204	level = caster->contr->last_skill_ob[i]->level;
205	break;
206	}
207		108
208	/* 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. */
209	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
210	{	111	{
211	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);
212	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
213		114
214	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
215	}	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;
216		120
217	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
218	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);
219		128
220	/* 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
221	* errors in various places.	130	* errors in various places.
222	*/	131	*/
223	if (level < 1)	132	return clamp (level, 1, settings.max_level);
224	level = 1;
225
226	return level;
227	}	133	}
228		134
229	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
230	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
231	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
235	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
236	* spell is the spell object.	142	* spell is the spell object.
237	* 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
238	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
239	*/	145	*/
240
241	sint16	146	sint16
242	SP_level_spellpoint_cost (object caster, object spell, int flags)	147	SP_level_spellpoint_cost (object caster, object spell, int flags)
243	{	148	{
244	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
245		150
246	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
247	{	152	{
248	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
249	{	154	{
…		…
270	else	175	else
271	{	176	{
272	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	177	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
273	if (spell->stats.sp && !sp)	178	if (spell->stats.sp && !sp)
274	sp = 1;	179	sp = 1;
		180
275	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	181	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
276	if (spell->stats.grace && !grace)	182	if (spell->stats.grace && !grace)
277	grace = 1;	183	grace = 1;
278	}	184	}
		185
279	if (flags == SPELL_HIGHEST)	186	if (flags == SPELL_HIGHEST)
280	return MAX (sp, grace);	187	return MAX (sp, grace);
281	else if (flags == SPELL_GRACE)	188	else if (flags == SPELL_GRACE)
282	return grace;	189	return grace;
283	else if (flags == SPELL_MANA)	190	else if (flags == SPELL_MANA)
…		…
287	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	194	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
288	return 0;	195	return 0;
289	}	196	}
290	}	197	}
291		198
		199	/*
		200	* Return the effective casting level of the spell.
		201	* To make spells independent of their starting level, this function
		202	* scales the range spellstartlevel .. 100 into the range 1..100
		203	*/
		204	static int
		205	SP_casting_level (object caster, object spell)
		206	{
		207	return casting_level (caster, spell);
		208	}
292		209
293	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	210	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
294	* spob is the spell we are adjusting.	211	* spob is the spell we are adjusting.
295	*/	212	*/
296	int	213	int
297	SP_level_dam_adjust (object caster, object spob)	214	SP_level_dam_adjust (object caster, object spob)
298	{	215	{
299	int level = caster_level (caster, spob);
300	int adj = level - min_casting_level (caster, spob);
301
302	if (adj < 0)
303	adj = 0;
304	if (spob->dam_modifier)	216	if (!spob->dam_modifier)
305	adj /= spob->dam_modifier;
306	else
307	adj = 0;
308	return adj;	217	return 0;
		218
		219	return SP_casting_level (caster, spob) / spob->dam_modifier;
309	}	220	}
310		221
311	/* Adjust the strength of the spell based on level.	222	/* Adjust the strength of the spell based on level.
312	* This is basically the same as SP_level_dam_adjust above,	223	* This is basically the same as SP_level_dam_adjust above,
313	* but instead looks at the level_modifier value.	224	* but instead looks at the level_modifier value.
314	*/	225	*/
315	int	226	int
316	SP_level_duration_adjust (object caster, object spob)	227	SP_level_duration_adjust (object caster, object spob)
317	{	228	{
318	int level = caster_level (caster, spob);
319	int adj = level - min_casting_level (caster, spob);
320
321	if (adj < 0)
322	adj = 0;
323	if (spob->duration_modifier)	229	if (!spob->duration_modifier)
324	adj /= spob->duration_modifier;
325	else
326	adj = 0;
327
328	return adj;	230	return 0;
		231
		232	return SP_casting_level (caster, spob) / spob->duration_modifier;
329	}	233	}
330		234
331	/* Adjust the strength of the spell based on level.	235	/* Adjust the strength of the spell based on level.
332	* This is basically the same as SP_level_dam_adjust above,	236	* This is basically the same as SP_level_dam_adjust above,
333	* but instead looks at the level_modifier value.	237	* but instead looks at the level_modifier value.
334	*/	238	*/
335	int	239	int
336	SP_level_range_adjust (object caster, object spob)	240	SP_level_range_adjust (object caster, object spob)
337	{	241	{
338	int level = caster_level (caster, spob);
339	int adj = level - min_casting_level (caster, spob);
340
341	if (adj < 0)
342	adj = 0;
343	if (spob->range_modifier)	242	if (!spob->range_modifier)
344	adj /= spob->range_modifier;
345	else
346	adj = 0;
347
348	return adj;	243	return 0;
		244
		245	return SP_casting_level (caster, spob) / spob->range_modifier;
349	}	246	}
350		247
351	/* Checks to see if player knows the spell. If the name is the same	248	/* Checks to see if player knows the spell. If the name is the same
352	* as an existing spell, we presume they know it.	249	* as an existing spell, we presume they know it.
353	* returns 1 if they know the spell, 0 if they don't.	250	* returns 1 if they know the spell, 0 if they don't.
354	*/	251	*/
355	object *	252	object *
356	check_spell_known (object op, const char name)	253	check_spell_known (object *op, shstr_cmp name)
357	{	254	{
358	object *spop;	255	object *spop;
359		256
360	for (spop = op->inv; spop; spop = spop->below)	257	for (spop = op->inv; spop; spop = spop->below)
361	if (spop->type == SPELL && !strcmp (spop->name, name))	258	if (spop->type == SPELL && spop->name == name)
362	return spop;	259	return spop;
363		260
364	return NULL;	261	return 0;
365	}	262	}
366
367		263
368	/*	264	/*
369	* Look at object 'op' and see if they know the spell	265	* Look at object 'op' and see if they know the spell
370	* spname. This is pretty close to check_spell_known	266	* spname. This is pretty close to check_spell_known
371	* above, but it uses a looser matching mechanism.	267	* above, but it uses a looser matching mechanism.
372	* returns the matching spell object, or NULL.	268	* returns the matching spell object, or NULL.
373	* If we match multiple spells but don't get an	269	* If we match multiple spells but don't get an
374	* exact match, we also return NULL.	270	* exact match, we also return NULL.
375	*/	271	*/
376
377	object *	272	object *
378	lookup_spell_by_name (object op, const char spname)	273	lookup_spell_by_name (object op, const char spname)
379	{	274	{
380	object spob1 = NULL, spob2 = NULL, *spob;	275	object spob1 = 0, spob2 = 0;
381	int nummatch = 0;	276	int nummatch = 0;
382		277
383	if (spname == NULL)	278	if (!spname)
384	return NULL;	279	return 0;
385		280
386	/* Try to find the spell. We store the results in spob1	281	/* Try to find the spell. We store the results in spob1
387	* and spob2 - spob1 is only taking the length of	282	* and spob2 - spob1 is only taking the length of
388	* the past spname, spob2 uses the length of the spell name.	283	* the past spname, spob2 uses the length of the spell name.
389	*/	284	*/
390	for (spob = op->inv; spob; spob = spob->below)	285	for (object *spob = op->inv; spob; spob = spob->below)
391	{	286	{
392	if (spob->type == SPELL)	287	if (spob->type == SPELL)
393	{	288	{
		289	// TODO: WTF?
394	if (!strncmp (spob->name, spname, strlen (spname)))	290	if (!strncmp (spob->name, spname, strlen (spname)))
395	{	291	{
396	nummatch++;	292	nummatch++;
397	spob1 = spob;	293	spob1 = spob;
398	}	294	}
…		…
403	* fall into this category). It shouldn't be hard to	299	* fall into this category). It shouldn't be hard to
404	* make sure spell names don't overlap in that fashion.	300	* make sure spell names don't overlap in that fashion.
405	*/	301	*/
406	if (spob2)	302	if (spob2)
407	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);	303	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
		304
408	spob2 = spob;	305	spob2 = spob;
409	}	306	}
410	}	307	}
411	}	308	}
412	/* if we have best match, return it. Otherwise, if we have one match	309	/* if we have best match, return it. Otherwise, if we have one match
413	* on the loser match, return that, otehrwise null	310	* on the loser match, return that, otehrwise null
414	*/	311	*/
415	if (spob2)	312	if (spob2)
416	return spob2;	313	return spob2;
		314
417	if (spob1 && nummatch == 1)	315	if (spob1 && nummatch == 1)
418	return spob1;	316	return spob1;
		317
419	return NULL;	318	return NULL;
420	}	319	}
421		320
422	/* reflwall - decides weither the (spell-)object sp_op will	321	/* reflwall - decides weither the (spell-)object sp_op will
423	* be reflected from the given mapsquare. Returns 1 if true.	322	* be reflected from the given mapsquare. Returns 1 if true.
…		…
427	* eg, updated for tiled maps.	326	* eg, updated for tiled maps.
428	*/	327	*/
429	int	328	int
430	reflwall (maptile m, int x, int y, object sp_op)	329	reflwall (maptile m, int x, int y, object sp_op)
431	{	330	{
432	object *op;
433
434	if (OUT_OF_REAL_MAP (m, x, y))	331	if (OUT_OF_REAL_MAP (m, x, y))
435	return 0;	332	return 0;
		333
436	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	334	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
437	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	335	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
438	&& (!QUERY_FLAG (op, FLAG_ALIVE)	336	&& (!QUERY_FLAG (op, FLAG_ALIVE)
439	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	337	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
440	return 1;	338	return 1;
441		339
…		…
462	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	360	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
463	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	361	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
464	dir = 0;	362	dir = 0;
465	}	363	}
466		364
		365	SET_FLAG (new_op, FLAG_IDENTIFIED);
467	op->map->insert (new_op,	366	op->map->insert (new_op,
468	op->x + freearr_x[dir], op->y + freearr_y[dir],	367	op->x + freearr_x[dir], op->y + freearr_y[dir],
469	op,	368	op,
470	dir ? 0 : INS_BELOW_ORIGINATOR);	369	dir ? 0 : INS_BELOW_ORIGINATOR);
471		370
472	return dir;	371	return dir;
		372	}
		373
		374	static bool
		375	mergable_owner (object o1, object o2)
		376	{
		377	if (o1 == o2)
		378	return 1;
		379
		380	if (!o1 \|\| !o2)
		381	return 0;
		382
		383	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		384	return 0;
		385
		386	if (o1->is_player () \|\| o2->is_player ())
		387	return 0;
		388
		389	return 1;
473	}	390	}
474		391
475	/* Returns true if it is ok to put spell *op on the space/may provided.	392	/* Returns true if it is ok to put spell *op on the space/may provided.
476	* immune_stop is basically the attacktype of the spell (why	393	* immune_stop is basically the attacktype of the spell (why
477	* passed as a different value, not sure of). If immune_stop	394	* passed as a different value, not sure of). If immune_stop
478	* has the AT_MAGIC bit set, and there is a counterwall	395	* has the AT_MAGIC bit set, and there is a counterwall
479	* on the space, the object doesn't get placed. if immune stop	396	* on the space, the object doesn't get placed. if immune stop
480	* does not have AT_MAGIC, then counterwalls do not effect the spell.	397	* does not have AT_MAGIC, then counterwalls do not effect the spell.
481	*
482	*/	398	*/
483	int	399	int
484	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)	400	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
485	{	401	{
486	if (!xy_normalise (m, x, y))	402	if (!xy_normalise (m, x, y))
487	return 0;	403	return 0;
488		404
489	mapspace &ms = m->at (x, y);	405	mapspace &ms = m->at (x, y);
		406	ms.update ();
490		407
491	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	408	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
492	return 0;	409	return 0;
		410
		411	int max_effects = 5; // max. number of similar spells per mapspace
493		412
494	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	413	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
495	{	414	{
496	/* If there is a counterspell on the space, and this	415	/* If there is a counterspell on the space, and this
497	* object is using magic, don't progress. I believe we could	416	* object is using magic, don't progress. I believe we could
…		…
500	* resources, and may not work as well if a player is standing	419	* resources, and may not work as well if a player is standing
501	* on top of a counterwall spell (may hit the player before being	420	* on top of a counterwall spell (may hit the player before being
502	* removed.) On the other hand, it may be more dramatic for the	421	* removed.) On the other hand, it may be more dramatic for the
503	* spell to actually hit the counterwall and be sucked up.	422	* spell to actually hit the counterwall and be sucked up.
504	*/	423	*/
505	if ((tmp->attacktype & AT_COUNTERSPELL) &&	424	if ((tmp->attacktype & AT_COUNTERSPELL)
506	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	425	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
507	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	426	&& (tmp->type != PLAYER)
		427	&& (tmp->type != WEAPON)
		428	&& (tmp->type != BOW)
		429	&& (tmp->type != ARROW)
		430	&& (tmp->type != GOLEM)
		431	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		432	// we special case floor here because there
		433	// are sometimes spell effect floors
		434	// which are used to inflict damage
		435	// (and those shouldn't go away from
		436	// sanctuary) see also: permanent lava
		437	&& (immune_stop & AT_MAGIC))
508	return 0;	438	return 0;
509		439
510	/* This is to prevent 'out of control' spells. Basically, this
511	* limits one spell effect per space per spell. This is definately
512	* needed for performance reasons, and just for playability I believe.
513	* there are no such things as multispaced spells right now, so
514	* we don't need to worry about the head.
515	*/
516	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
517	return 0;
518
519	/*
520	* Combine similar spell effects into one spell effect. Needed for
521	* performance reasons with meteor swarm and the like, but also for
522	* playability reasons.
523	*/
524	if (tmp->arch == op->arch
525	&& tmp->type == op->type	440	if (tmp->type == op->type)
526	&& tmp->subtype == op->subtype
527	&& tmp->owner == op->owner
528	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
529	{	441	{
530	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	442	if (tmp->subtype == op->subtype
531	tmp->range = MAX (tmp->range, op->range);	443	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
532	tmp->duration = MAX (tmp->duration, op->duration);	444	{
		445	/* This is to prevent 'out of control' spells. Basically, this
		446	* limits one spell effect per space per spell. This is definately
		447	* needed for performance reasons, and just for playability I believe.
		448	* there are no such things as multispaced spells right now, so
		449	* we don't need to worry about the head.
		450	*/
		451	if (tmp->stats.maxhp == op->stats.maxhp)
		452	return 0;
		453
		454	/*
		455	* Combine similar spell effects into one spell effect. Needed for
		456	* performance reasons with meteor swarm and the like, but also for
		457	* playability reasons.
		458	*/
		459	if (((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		460	if (mergable_owner (tmp, op))
		461	{
		462	// if same owner, then combine, but reduce advantage of multiple spells
		463	max_it (tmp->stats.dam, op->stats.dam);
		464	max_it (tmp->range , op->range);
		465	max_it (tmp->duration , op->duration);
		466	return 0;
		467	}
		468	}
		469
		470	// if there are too many spell effects on this space,
		471	// then don't allow more of them, for performance reasons.
		472	if (tmp->type == SPELL_EFFECT
		473	&& !--max_effects)
533	return 0;	474	return 0;
534	}	475	}
535		476
536	/* Perhaps we should also put checks in for no magic and unholy	477	/* Perhaps we should also put checks in for no magic and unholy
537	* ground to prevent it from moving along?	478	* ground to prevent it from moving along?
538	*/	479	*/
…		…
550	* dir: direction to fire in.	491	* dir: direction to fire in.
551	* spell: spell that is being fired. It uses other_arch for the archetype	492	* spell: spell that is being fired. It uses other_arch for the archetype
552	* to fire.	493	* to fire.
553	* returns 0 on failure, 1 on success.	494	* returns 0 on failure, 1 on success.
554	*/	495	*/
555
556	int	496	int
557	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	497	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
558	{	498	{
559	object *tmp;
560	int mflags;
561	maptile *m;
562
563	if (spell->other_arch == NULL)	499	if (!spell->other_arch)
564	return 0;	500	return 0;
565		501
566	m = op->map;	502	object *tmp = spell->other_arch->instance ();
567	mflags = get_map_flags (m, &m, x, y, &x, &y);
568	if (mflags & P_OUT_OF_MAP)
569	{
570	return 0;
571	}
572		503
573	tmp = arch_to_object (spell->other_arch);	504	if (!tmp)
574
575	if (tmp == NULL)
576	return 0;	505	return 0;
577
578	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
579	{
580	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
581	tmp->destroy ();
582	return 0;
583	}
584		506
585	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	507	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
586	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	508	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
587	/* code in time.c uses food for some things, duration for others */	509	/* code in time.c uses food for some things, duration for others */
588	tmp->stats.food = tmp->duration;	510	tmp->stats.food = tmp->duration;
589	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	511	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
590	tmp->attacktype = spell->attacktype;	512	tmp->attacktype = spell->attacktype;
591	tmp->x = x;
592	tmp->y = y;
593	tmp->direction = dir;	513	tmp->direction = dir;
594	if (op->owner != NULL)
595	tmp->set_owner (op);	514	tmp->set_owner (op);
596	else
597	tmp->set_owner (op);
598	tmp->level = caster_level (caster, spell);	515	tmp->level = casting_level (caster, spell);
599	set_spell_skill (op, caster, spell, tmp);	516	set_spell_skill (op, caster, spell, tmp);
600		517
601	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	518	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
602	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	519	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
603	{
604	if (!tailor_god_spell (tmp, op))	520	if (!tailor_god_spell (tmp, op))
605	return 0;	521	return 0;
606	}	522
607	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	523	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
608	SET_ANIMATION (tmp, dir);	524	SET_ANIMATION (tmp, dir);
609		525
610	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	526	if ((tmp = op->map->insert (tmp, x, y, op)))
611	move_spell_effect (tmp);	527	move_spell_effect (tmp);
612		528
613	return 1;	529	return 1;
614	}	530	}
615		531
…		…
620	****************************************************************************/	536	****************************************************************************/
621	void	537	void
622	regenerate_rod (object *rod)	538	regenerate_rod (object *rod)
623	{	539	{
624	if (rod->stats.hp < rod->stats.maxhp)	540	if (rod->stats.hp < rod->stats.maxhp)
625	{	541	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
626	rod->stats.hp += 1 + rod->stats.maxhp / 10;
627
628	if (rod->stats.hp > rod->stats.maxhp)
629	rod->stats.hp = rod->stats.maxhp;
630	}
631	}	542	}
632
633		543
634	void	544	void
635	drain_rod_charge (object *rod)	545	drain_rod_charge (object *rod)
636	{	546	{
637	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	547	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
638	}	548	}
639
640
641
642		549
643	/* this function is commonly used to find a friendly target for	550	/* this function is commonly used to find a friendly target for
644	* spells such as heal or protection or armour	551	* spells such as heal or protection or armour
645	* op is what is looking for the target (which can be a player),	552	* op is what is looking for the target (which can be a player),
646	* dir is the direction we are looking in. Return object found, or	553	* dir is the direction we are looking in. Return object found, or
647	* NULL if no good object.	554	* NULL if no good object.
648	*/	555	*/
649
650	object *	556	object *
651	find_target_for_friendly_spell (object *op, int dir)	557	find_target_for_friendly_spell (object *op, int dir)
652	{	558	{
653	object *tmp;	559	object *tmp;
654	maptile *m;
655	sint16 x, y;
656	int mflags;
657		560
658	/* I don't really get this block - if op isn't a player or rune,	561	/* I don't really get this block - if op isn't a player or rune,
659	* we then make the owner of this object the target.	562	* we then make the owner of this object the target.
660	* The owner could very well be no where near op.	563	* The owner could very well be no where near op.
661	*/	564	*/
…		…
668	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	571	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))
669	tmp = op;	572	tmp = op;
670	}	573	}
671	else	574	else
672	{	575	{
673	m = op->map;	576	maptile *m = op->map;
674	x = op->x + freearr_x[dir];	577	sint16 x = op->x + freearr_x[dir];
675	y = op->y + freearr_y[dir];	578	sint16 y = op->y + freearr_y[dir];
676
677	mflags = get_map_flags (m, &m, x, y, &x, &y);
678
679	if (mflags & P_OUT_OF_MAP)
680	tmp = 0;
681	else	579
		580	tmp = xy_normalise (m, x, y)
682	tmp = m->at (x, y).player ();	581	? m->at (x, y).player ()
		582	: 0;
683	}	583	}
684		584
685	/* didn't find a player there, look in current square for a player */	585	/* didn't find a player there, look in current square for a player */
686	if (!tmp)	586	if (!tmp)
687	tmp = op->ms ().player ();	587	tmp = op->ms ().player ();
688		588
689	return tmp;	589	return tmp;
690	}	590	}
691
692
693		591
694	/* raytrace:	592	/* raytrace:
695	* spell_find_dir(map, x, y, exclude) will search first the center square	593	* spell_find_dir(map, x, y, exclude) will search first the center square
696	* then some close squares in the given map at the given coordinates for	594	* then some close squares in the given map at the given coordinates for
697	* live objects.	595	* live objects.
…		…
700	* monsters/generators only. If not, the spell will hunt players only.	598	* monsters/generators only. If not, the spell will hunt players only.
701	* It returns the direction toward the first/closest live object if it finds	599	* It returns the direction toward the first/closest live object if it finds
702	* any, otherwise -1.	600	* any, otherwise -1.
703	* note that exclude can be NULL, in which case all bets are off.	601	* note that exclude can be NULL, in which case all bets are off.
704	*/	602	*/
705
706	int	603	int
707	spell_find_dir (maptile m, int x, int y, object exclude)	604	spell_find_dir (maptile m, int x, int y, object exclude)
708	{	605	{
709	int i, max = SIZEOFFREE;	606	int i, max = SIZEOFFREE;
710	sint16 nx, ny;	607	sint16 nx, ny;
…		…
737	return freedir[i];	634	return freedir[i];
738	}	635	}
739	return -1; /* flag for "keep going the way you were" */	636	return -1; /* flag for "keep going the way you were" */
740	}	637	}
741		638
742
743
744	/* put_a_monster: puts a monster named monstername near by	639	/* put_a_monster: puts a monster named monstername near by
745	* op. This creates the treasures for the monsters, and	640	* op. This creates the treasures for the monsters, and
746	* also deals with multipart monsters properly.	641	* also deals with multipart monsters properly.
747	*/	642	*/
748
749	void	643	void
750	put_a_monster (object op, const char monstername)	644	put_a_monster (object op, const char monstername)
751	{	645	{
752	object tmp, head = NULL, *prev = NULL;	646	object tmp, head = NULL, *prev = NULL;
753	archetype *at;	647	archetype *at;
…		…
760		654
761	/* find a free square nearby	655	/* find a free square nearby
762	* first we check the closest square for free squares	656	* first we check the closest square for free squares
763	*/	657	*/
764		658
765	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	659	dir = find_first_free_spot (at, op->map, op->x, op->y);
766	if (dir != -1)	660	if (dir != -1)
767	{	661	{
768	/* This is basically grabbed for generate monster. Fixed 971225 to	662	/* This is basically grabbed for generate monster. Fixed 971225 to
769	* insert multipart monsters properly	663	* insert multipart monsters properly
770	*/	664	*/
		665	//TODO: use expand_tail + ...
771	while (at != NULL)	666	while (at != NULL)
772	{	667	{
773	tmp = arch_to_object (at);	668	tmp = arch_to_object (at);
774	tmp->x = op->x + freearr_x[dir] + at->clone.x;	669	tmp->x = op->x + freearr_x[dir] + at->x;
775	tmp->y = op->y + freearr_y[dir] + at->clone.y;	670	tmp->y = op->y + freearr_y[dir] + at->y;
776	tmp->map = op->map;	671	tmp->map = op->map;
777	if (head)	672	if (head)
778	{	673	{
779	tmp->head = head;	674	tmp->head = head;
780	prev->more = tmp;	675	prev->more = tmp;
781	}	676	}
		677
782	if (!head)	678	if (!head)
783	head = tmp;	679	head = tmp;
		680
784	prev = tmp;	681	prev = tmp;
		682
785	at = at->more;	683	at = (archetype *)at->more;
786	}	684	}
787		685
788	if (head->randomitems)	686	if (head->randomitems)
789	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	687	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
790		688
791	insert_ob_in_map (head, op->map, op, 0);	689	insert_ob_in_map (head, op->map, op, 0);
792		690
793	/* thought it'd be cool to insert a burnout, too. */	691	/* thought it'd be cool to insert a burnout, too. */
794	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	692	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
795	}	693	}
796	}	694	}
797		695
798	/* peterm: function which summons hostile monsters and	696	/* peterm: function which summons hostile monsters and
799	* places them in nearby squares.	697	* places them in nearby squares.
…		…
806	* Note that this is not used by any spells (summon evil monsters	704	* Note that this is not used by any spells (summon evil monsters
807	* use to call this, but best I can tell, that spell/ability was	705	* use to call this, but best I can tell, that spell/ability was
808	* never used. This is however used by various failures on the	706	* never used. This is however used by various failures on the
809	* players part (alchemy, reincarnation, etc)	707	* players part (alchemy, reincarnation, etc)
810	*/	708	*/
811
812	int	709	int
813	summon_hostile_monsters (object op, int n, const char monstername)	710	summon_hostile_monsters (object op, int n, const char monstername)
814	{	711	{
815	int i;	712	int i;
816		713
…		…
826	{	723	{
827	int attacktype;	724	int attacktype;
828	int face;	725	int face;
829	} ATTACKS[22] =	726	} ATTACKS[22] =
830	{	727	{
831	{
832	AT_PHYSICAL, 0},	728	{ AT_PHYSICAL, 0},
833	{
834	AT_PHYSICAL, 0}, /face = explosion /	729	{ AT_PHYSICAL, 0}, /face = explosion /
835	{
836	AT_PHYSICAL, 0},	730	{ AT_PHYSICAL, 0},
837	{
838	AT_MAGIC, 1},	731	{ AT_MAGIC, 1},
839	{
840	AT_MAGIC, 1}, /* face = last-burnout */	732	{ AT_MAGIC, 1}, /* face = last-burnout */
841	{
842	AT_MAGIC, 1},	733	{ AT_MAGIC, 1},
843	{
844	AT_FIRE, 2},	734	{ AT_FIRE, 2},
845	{
846	AT_FIRE, 2}, /* face = fire.... */	735	{ AT_FIRE, 2}, /* face = fire.... */
847	{
848	AT_FIRE, 2},	736	{ AT_FIRE, 2},
849	{
850	AT_ELECTRICITY, 3},	737	{ AT_ELECTRICITY, 3},
851	{
852	AT_ELECTRICITY, 3}, /* ball_lightning */	738	{ AT_ELECTRICITY, 3}, /* ball_lightning */
853	{
854	AT_ELECTRICITY, 3},	739	{ AT_ELECTRICITY, 3},
855	{
856	AT_COLD, 4},	740	{ AT_COLD, 4},
857	{
858	AT_COLD, 4}, /* face=icestorm */	741	{ AT_COLD, 4}, /* face=icestorm */
859	{
860	AT_COLD, 4},	742	{ AT_COLD, 4},
861	{
862	AT_CONFUSION, 5},	743	{ AT_CONFUSION, 5},
863	{
864	AT_POISON, 7},	744	{ AT_POISON, 7},
865	{
866	AT_POISON, 7}, /* face = acid sphere. generator */	745	{ AT_POISON, 7}, /* face = acid sphere. generator */
867	{
868	AT_POISON, 7}, /* poisoncloud face */	746	{ AT_POISON, 7}, /* poisoncloud face */
869	{
870	AT_SLOW, 8},	747	{ AT_SLOW, 8},
871	{
872	AT_PARALYZE, 9},	748	{ AT_PARALYZE, 9},
873	{
874	AT_FEAR, 10}};	749	{ AT_FEAR, 10},
875		750	};
876
877		751
878	/* shuffle_attack: peterm	752	/* shuffle_attack: peterm
879	* This routine shuffles the attack of op to one of the	753	* This routine shuffles the attack of op to one of the
880	* ones in the list. It does this at random. It also	754	* ones in the list. It does this at random. It also
881	* chooses a face appropriate to the attack that is	755	* chooses a face appropriate to the attack that is
…		…
904	{	778	{
905	SET_ANIMATION (op, ATTACKS[i].face);	779	SET_ANIMATION (op, ATTACKS[i].face);
906	}	780	}
907	}	781	}
908		782
909
910	/* prayer_failure: This is called when a player fails	783	/* prayer_failure: This is called when a player fails
911	* at casting a prayer.	784	* at casting a prayer.
912	* op is the player.	785	* op is the player.
913	* failure is basically how much grace they had.	786	* failure is basically how much grace they had.
914	* power is how much grace the spell would normally take to cast.	787	* power is how much grace the spell would normally take to cast.
915	*/	788	*/
916
917	void	789	void
918	prayer_failure (object *op, int failure, int power)	790	prayer_failure (object *op, int failure, int power)
919	{	791	{
920	const char *godname;	792	const char *godname;
921	object *tmp;	793	object *tmp;
…		…
1016	}	888	}
1017	}	889	}
1018	}	890	}
1019		891
1020	int	892	int
1021	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	893	cast_party_spell (object op, object caster, int dir, object spell_ob, char spellparam)
1022	{	894	{
1023	int success;
1024	player *pl;
1025	object *spell;
1026
1027	if (!spell_ob->other_arch)	895	if (!spell_ob->other_arch)
1028	{	896	{
1029	LOG (llevError, "cast_party_spell: empty other arch\n");	897	LOG (llevError, "cast_party_spell: empty other arch\n");
1030	return 0;	898	return 0;
1031	}	899	}
		900
1032	spell = arch_to_object (spell_ob->other_arch);	901	object *spell = arch_to_object (spell_ob->other_arch);
1033		902
1034	/* Always cast spell on caster */	903	/* Always cast spell on caster */
1035	success = cast_spell (op, caster, dir, spell, stringarg);	904	int success = cast_spell (op, caster, dir, spell, spellparam);
1036		905
1037	if (caster->contr->party == NULL)	906	if (!op->contr \|\| !op->contr->party)
1038	{	907	{
1039	spell->remove ();	908	spell->remove ();
1040	return success;	909	return success;
1041	}	910	}
		911
1042	for_all_players (pl)	912	for_all_players (pl)
1043	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	913	if ((pl->ob->contr->party == op->contr->party)
1044	{	914	&& on_same_map (pl->ob, op)
		915	&& pl->ob != op)
1045	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	916	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1046	}	917
1047	spell->remove ();	918	spell->remove ();
1048	return success;	919	return success;
1049	}	920	}
1050		921
1051	/* This is where the main dispatch when someone casts a spell.	922	/* This is where the main dispatch when someone casts a spell.
…		…
1056	* same as op.	927	* same as op.
1057	* dir is the direction to cast in. Note in some cases, if the spell	928	* dir is the direction to cast in. Note in some cases, if the spell
1058	* is self only, dir really doesn't make a difference.	929	* is self only, dir really doesn't make a difference.
1059	* spell_ob is the spell object that is being cast. From that,	930	* spell_ob is the spell object that is being cast. From that,
1060	* we can determine what to do.	931	* we can determine what to do.
1061	* stringarg is any options that are being used. It can be NULL. Almost	932	* spellparam is any options that are being used. It can be NULL. Almost
1062	* certainly, only players will set it. It is basically used as optional	933	* certainly, only players will set it. It is basically used as optional
1063	* parameters to a spell (eg, item to create, information for marking runes,	934	* parameters to a spell (eg, item to create, information for marking runes,
1064	* etc.	935	* etc.
1065	* returns 1 on successful cast, or 0 on error. These values should really	936	* returns 1 on successful cast, or 0 on error. These values should really
1066	* be swapped, so that 0 is successful, and non zero is failure, with a code	937	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1073	*	944	*
1074	* if it is a player casting the spell (op->type == PLAYER, op == caster),	945	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1075	* this function will decrease the mana/grace appropriately. For other	946	* this function will decrease the mana/grace appropriately. For other
1076	* objects, the caller should do what it considers appropriate.	947	* objects, the caller should do what it considers appropriate.
1077	*/	948	*/
1078
1079	int	949	int
1080	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	950	cast_spell (object op, object caster, int dir, object spell_ob, char spellparam)
1081	{	951	{
1082	const char *godname;	952	const char *godname;
1083	int success = 0, mflags, cast_level = 0, old_shoottype;	953	int success = 0;
1084	object *skill = NULL;	954	object *skill = NULL;
1085
1086	old_shoottype = op->contr ? op->contr->shoottype : 0;
1087		955
1088	if (!spell_ob)	956	if (!spell_ob)
1089	{	957	{
1090	LOG (llevError, "cast_spell: null spell object passed\n");	958	LOG (llevError, "cast_spell: null spell object passed\n");
1091	return 0;	959	return 0;
…		…
1119	* need to have the right skill pointer passed, so we need to	987	* need to have the right skill pointer passed, so we need to
1120	* at least process that code.	988	* at least process that code.
1121	*/	989	*/
1122	if (op->type == PLAYER && op == caster)	990	if (op->type == PLAYER && op == caster)
1123	{	991	{
1124	cast_level = caster_level (caster, spell_ob);
1125	if (spell_ob->skill)	992	if (spell_ob->skill)
1126	{	993	{
1127	skill = find_skill_by_name (op, spell_ob->skill);	994	skill = find_skill_by_name (op, spell_ob->skill);
		995
1128	if (!skill)	996	if (!skill)
1129	{	997	{
1130	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	998	op->failmsg (format ("You need the skill %s to cast %s! "
		999	"H<You either need to learn the skill via a skill scroll "
		1000	"or you need to wear a talisman or holy symbol.>",
		1001	&spell_ob->skill, &spell_ob->name));
1131	return 0;	1002	return 0;
1132	}	1003	}
1133	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1004
		1005	const char *msg = "";
		1006
		1007	int caster_level = skill->level;
		1008
		1009	if (op->path_attuned & spell_ob->path_attuned)
1134	{	1010	{
1135	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1011	caster_level += min (caster_level, ATTUNE_REPELL);
		1012	msg = " (attuned)";
		1013	}
		1014
		1015	if (op->path_repelled & spell_ob->path_attuned)
		1016	{
		1017	caster_level -= ATTUNE_REPELL; // negative is ok
		1018	msg = " (repelled)";
		1019	}
		1020
		1021	if (spell_ob->level > caster_level)
		1022	{
		1023	op->failmsg (format ("You lack enough skill to cast that spell! "
		1024	"H<Your effective cast level is %d%s, but level %d is required.>",
		1025	caster_level, msg, spell_ob->level));
		1026	if (!op->is_wiz ())
1136	return 0;	1027	return 0;
1137	}	1028	}
1138	}	1029	}
		1030
1139	/* If the caster is the wiz, they don't ever fail, and don't have	1031	/* If the caster is the wiz, they don't ever fail, and don't have
1140	* to have sufficient grace/mana.	1032	* to have sufficient grace/mana.
1141	*/	1033	*/
1142	if (!QUERY_FLAG (op, FLAG_WIZ))	1034	if (!QUERY_FLAG (op, FLAG_WIZCAST))
1143	{	1035	{
1144	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1036	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1145	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1037	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1146	{	1038	{
1147	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1039	op->failmsg ("You don't have enough mana!");
1148	return 0;	1040	return 0;
1149	}	1041	}
1150		1042
1151	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1043	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1152	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1044	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1153	{	1045	{
1154	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1046	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1155	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1047	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1156	{
1157	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1048	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1158	}
1159	else	1049	else
1160	{	1050	{
1161	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1051	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1162	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1052	op->failmsg (format ("%s ignores your prayer.", godname));
1163	return 0;	1053	return 0;
1164	}	1054	}
1165	}	1055	}
1166		1056
1167	/* player/monster is trying to cast the spell. might fumble it */	1057	/* player/monster is trying to cast the spell. might fumble it */
1168	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1058	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1169	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1059	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1170	{	1060	{
1171	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1061	op->contr->play_sound (sound_find ("fumble_spell"));
1172	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1062	op->failmsg ("You fumble the prayer.");
1173
1174	if (settings.casting_time == TRUE)
1175	op->casting_time = -1;
1176		1063
1177	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1064	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1178	return 0;	1065	return 0;
1179	}	1066	}
1180	else if (spell_ob->stats.sp)	1067	else if (spell_ob->stats.sp)
1181	{	1068	{
1182	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1069	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1183		1070
1184	if (failure < 0)	1071	if (failure < 0)
1185	{	1072	{
1186	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1073	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1187	if (settings.spell_failure_effects == TRUE)	1074	if (settings.spell_failure_effects == TRUE)
1188	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1075	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1189	op->contr->shoottype = (rangetype) old_shoottype;	1076
1190	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1077	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1191	return 0;	1078	return 0;
1192	}	1079	}
1193	}	1080	}
1194	}	1081	}
1195	}	1082	}
1196		1083
1197	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1084	int mflags = op->ms ().flags ();
1198		1085
1199	/* See if we can cast a spell here. If the caster and op are	1086	/* See if we can cast a spell here. If the caster and op are
1200	* not alive, then this would mean that the mapmaker put the	1087	* not alive, then this would mean that the mapmaker put the
1201	* objects on the space - presume that they know what they are	1088	* objects on the space - presume that they know what they are
1202	* doing.	1089	* doing.
1203	*/	1090	*/
1204		1091
1205	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1092	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1206	{	1093	{
1207	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1094	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1208	return 0;	1095	return 0;
1209	}	1096	}
1210		1097
1211	if ((spell_ob->type == SPELL)	1098	if ((spell_ob->type == SPELL)
1212	&& (caster->type != POTION)	1099	&& (caster->type != POTION)
…		…
1217	{	1104	{
1218	if (op->type != PLAYER)	1105	if (op->type != PLAYER)
1219	return 0;	1106	return 0;
1220		1107
1221	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1108	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1222	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1109	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1223	else	1110	else if (object *item = op->contr->ranged_ob)
1224	switch (op->contr->shoottype)
1225	{	1111	{
1226	case range_magic:	1112	if (item->type == SPELL)
1227	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1113	op->failmsg ("Something blocks your spellcasting.");
1228	break;	1114	else if (item->type == SCROLL)
1229	case range_misc:	1115	op->failmsg ("Something blocks the magic of your scroll.");
1230	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1231	break;
1232	case range_golem:
1233	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1234	break;
1235	default:
1236	break;
1237	}
1238	return 0;
1239	}
1240
1241	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1242	{
1243	if (op->casting_time == -1)
1244	{ /* begin the casting */
1245	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1246	op->spell = spell_ob;
1247	/* put the stringarg into the object struct so that when the
1248	* spell is actually cast, it knows about the stringarg.
1249	* necessary for the invoke command spells.
1250	*/
1251	if (stringarg)
1252	{
1253	op->spellarg = strdup (stringarg);
1254	}
1255	else	1116	else
1256	op->spellarg = NULL;	1117	op->failmsg ("Something blocks the magic of your item.");
1257	return 0;
1258	}
1259	else if (op->casting_time != 0)
1260	{
1261	if (op->type == PLAYER)
1262	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1263	return 0;
1264	}	1118	}
1265	else	1119	else
1266	{ /* casting_time == 0 */	1120	op->failmsg ("Something blocks the spell!");
1267	op->casting_time = -1;	1121
1268	spell_ob = op->spell;	1122	return 0;
1269	stringarg = op->spellarg;
1270	}
1271	}
1272	else
1273	{	1123	}
		1124
1274	/* Take into account how long it takes to cast the spell.	1125	/* Take into account how long it takes to cast the spell.
1275	* if the player is casting it, then we use the time in	1126	* if the player is casting it, then we use the time in
1276	* the spell object. If it is a spell object, have it	1127	* the spell object. If it is a spell object, have it
1277	* take two ticks. Things that cast spells on the players	1128	* take two ticks. Things that cast spells on the players
1278	* behalf (eg, altars, and whatever else) shouldn't cost	1129	* behalf (eg, altars, and whatever else) shouldn't cost
1279	* the player any time.	1130	* the player any time.
1280	* Ignore casting time for firewalls	1131	* Ignore casting time for firewalls
		1132	*/
		1133	if (caster == op && caster->type != FIREWALL)
		1134	{
		1135	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1136	/* Other portions of the code may also decrement the speed of the player, so
		1137	* put a lower limit so that the player isn't stuck here too long
1281	*/	1138	*/
1282	if (caster == op && caster->type != FIREWALL)
1283	{
1284	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1285	/* Other portions of the code may also decrement the speed of the player, so
1286	* put a lower limit so that the player isn't stuck here too long
1287	*/
1288	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1139	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1289	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1140	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1290	}	1141	}
1291	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1142	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1292	{
1293	op->speed_left -= 2 * FABS (op->speed);	1143	op->speed_left -= 2 * FABS (op->speed);
1294	}
1295	}
1296		1144
1297	if (op->type == PLAYER && op == caster)	1145	if (op->type == PLAYER && op == caster)
1298	{	1146	{
1299	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1147	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1300	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1148	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1307	if (op != caster && !skill && caster->skill)	1155	if (op != caster && !skill && caster->skill)
1308	{	1156	{
1309	skill = find_skill_by_name (op, caster->skill);	1157	skill = find_skill_by_name (op, caster->skill);
1310	if (!skill)	1158	if (!skill)
1311	{	1159	{
1312	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1160	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1313	return 0;	1161	return 0;
1314	}	1162	}
		1163
1315	change_skill (op, skill, 0); /* needed for proper exp credit */	1164	op->change_skill (skill); /* needed for proper exp credit */
1316	}	1165	}
		1166
		1167	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1168	return RESULT_INT (0);
1317		1169
1318	switch (spell_ob->subtype)	1170	switch (spell_ob->subtype)
1319	{	1171	{
1320	/* The order of case statements is same as the order they show up	1172	/* The order of case statements is same as the order they show up
1321	* in in spells.h.	1173	* in spells.h.
1322	*/	1174	*/
1323	case SP_RAISE_DEAD:	1175	case SP_RAISE_DEAD:
1324	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1176	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1325	break;	1177	break;
1326		1178
1327	case SP_RUNE:	1179	case SP_RUNE:
1328	success = write_rune (op, caster, spell_ob, dir, stringarg);	1180	success = write_rune (op, caster, spell_ob, dir, spellparam);
1329	break;	1181	break;
1330		1182
1331	case SP_MAKE_MARK:	1183	case SP_MAKE_MARK:
1332	success = write_mark (op, spell_ob, stringarg);	1184	success = write_mark (op, spell_ob, spellparam);
1333	break;	1185	break;
1334		1186
1335	case SP_BOLT:	1187	case SP_BOLT:
1336	success = fire_bolt (op, caster, dir, spell_ob, skill);	1188	success = fire_bolt (op, caster, dir, spell_ob, skill);
1337	break;	1189	break;
…		…
1355	case SP_SMITE:	1207	case SP_SMITE:
1356	success = cast_smite_spell (op, caster, dir, spell_ob);	1208	success = cast_smite_spell (op, caster, dir, spell_ob);
1357	break;	1209	break;
1358		1210
1359	case SP_MAGIC_MISSILE:	1211	case SP_MAGIC_MISSILE:
1360	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1212	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1361	break;	1213	break;
1362		1214
1363	case SP_SUMMON_GOLEM:	1215	case SP_SUMMON_GOLEM:
1364	success = summon_golem (op, caster, dir, spell_ob);	1216	success = summon_golem (op, caster, dir, spell_ob);
1365	old_shoottype = range_golem;
1366	break;	1217	break;
1367		1218
1368	case SP_DIMENSION_DOOR:	1219	case SP_DIMENSION_DOOR:
1369	/* dimension door needs the actual caster, because that is what is	1220	/* dimension door needs the actual caster, because that is what is
1370	* moved.	1221	* moved.
1371	*/	1222	*/
1372	success = dimension_door (op, caster, spell_ob, dir);	1223	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1373	break;	1224	break;
1374		1225
1375	case SP_MAGIC_MAPPING:	1226	case SP_MAGIC_MAPPING:
1376	if (op->type == PLAYER)	1227	if (op->type == PLAYER)
1377	{	1228	{
…		…
1410	case SP_HEALING:	1261	case SP_HEALING:
1411	success = cast_heal (op, caster, spell_ob, dir);	1262	success = cast_heal (op, caster, spell_ob, dir);
1412	break;	1263	break;
1413		1264
1414	case SP_CREATE_FOOD:	1265	case SP_CREATE_FOOD:
1415	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1266	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1416	break;	1267	break;
1417		1268
1418	case SP_EARTH_TO_DUST:	1269	case SP_EARTH_TO_DUST:
1419	success = cast_earth_to_dust (op, caster, spell_ob);	1270	success = cast_earth_to_dust (op, caster, spell_ob);
1420	break;	1271	break;
…		…
1430	case SP_CURSE:	1281	case SP_CURSE:
1431	success = cast_curse (op, caster, spell_ob, dir);	1282	success = cast_curse (op, caster, spell_ob, dir);
1432	break;	1283	break;
1433		1284
1434	case SP_SUMMON_MONSTER:	1285	case SP_SUMMON_MONSTER:
1435	success = summon_object (op, caster, spell_ob, dir, stringarg);	1286	success = summon_object (op, caster, spell_ob, dir, spellparam);
1436	break;	1287	break;
1437		1288
1438	case SP_CHARGING:	1289	case SP_CHARGING:
1439	success = recharge (op, caster, spell_ob);	1290	success = recharge (op, caster, spell_ob);
1440	break;	1291	break;
…		…
1443	#ifdef NO_POLYMORPH	1294	#ifdef NO_POLYMORPH
1444	/* Not great, but at least provide feedback so if players do have	1295	/* Not great, but at least provide feedback so if players do have
1445	* polymorph (ie, find it as a preset item or left over from before	1296	* polymorph (ie, find it as a preset item or left over from before
1446	* it was disabled), they get some feedback.	1297	* it was disabled), they get some feedback.
1447	*/	1298	*/
1448	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1299	op->failmsg ("The spell fizzles!");
1449	success = 0;	1300	success = 0;
1450	#else	1301	#else
1451	success = cast_polymorph (op, caster, spell_ob, dir);	1302	success = cast_polymorph (op, caster, spell_ob, dir);
1452	#endif	1303	#endif
1453	break;	1304	break;
…		…
1473	break;	1324	break;
1474		1325
1475	case SP_MOVING_BALL:	1326	case SP_MOVING_BALL:
1476	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1327	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1477	{	1328	{
1478	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1329	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1479	success = 0;	1330	success = 0;
1480	}	1331	}
1481	else	1332	else
1482	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1333	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1483	break;	1334	break;
1484		1335
1485	case SP_SWARM:	1336	case SP_SWARM:
1486	success = fire_swarm (op, caster, spell_ob, dir);	1337	success = fire_swarm (op, caster, spell_ob, dir);
1487	break;	1338	break;
…		…
1494	/* in rune.c */	1345	/* in rune.c */
1495	success = dispel_rune (op, caster, spell_ob, skill, dir);	1346	success = dispel_rune (op, caster, spell_ob, skill, dir);
1496	break;	1347	break;
1497		1348
1498	case SP_CREATE_MISSILE:	1349	case SP_CREATE_MISSILE:
1499	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1350	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1500	break;	1351	break;
1501		1352
1502	case SP_CONSECRATE:	1353	case SP_CONSECRATE:
1503	success = cast_consecrate (op, caster, spell_ob);	1354	success = cast_consecrate (op, caster, spell_ob);
1504	break;	1355	break;
1505		1356
1506	case SP_ANIMATE_WEAPON:	1357	case SP_ANIMATE_WEAPON:
1507	success = animate_weapon (op, caster, spell_ob, dir);	1358	success = animate_weapon (op, caster, spell_ob, dir);
1508	old_shoottype = range_golem;
1509	break;	1359	break;
1510		1360
1511	case SP_LIGHT:	1361	case SP_LIGHT:
1512	success = cast_light (op, caster, spell_ob, dir);	1362	success = cast_light (op, caster, spell_ob, dir);
1513	break;	1363	break;
…		…
1526		1376
1527	case SP_AURA:	1377	case SP_AURA:
1528	success = create_aura (op, caster, spell_ob);	1378	success = create_aura (op, caster, spell_ob);
1529	break;	1379	break;
1530		1380
1531	case SP_TOWN_PORTAL:
1532	success = cast_create_town_portal (op, caster, spell_ob, dir);
1533	break;
1534
1535	case SP_PARTY_SPELL:	1381	case SP_PARTY_SPELL:
1536	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1382	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1537	break;	1383	break;
1538		1384
1539	default:	1385	default:
1540	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1541	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1386	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1542	}
1543
1544	/* FIXME - we need some better sound suppport */
1545	// yes, for example, augment map info with the spell effect
1546	// so clients can calculate the sounds themselves
1547	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1548
1549	/* free the spell arg */
1550	if (settings.casting_time == TRUE && stringarg)
1551	{	1387	}
1552	free (stringarg);	1388
1553	stringarg = NULL;	1389	op->play_sound (
1554	}	1390	success
1555	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1391	? spell_ob->sound
1556	* to something like use_magic_item, but you really want to be able to fire	1392	? spell_ob->sound
1557	* it again.	1393	: sound_find ("spell_success")
1558	*/	1394	: sound_find ("fumble_spell")
1559	if (op->contr)	1395	);
1560	op->contr->shoottype = (rangetype) old_shoottype;
1561		1396
1562	return success;	1397	return success;
1563	}	1398	}
1564		1399
1565
1566	/* This is called from time.c/process_object(). That function	1400	/* This is called from time.c/process_object(). That function
1567	* calls this for any SPELL_EFFECT type objects. This function	1401	* calls this for any SPELL_EFFECT type objects. This function
1568	* then dispatches them to the appropriate specific routines.	1402	* then dispatches them to the appropriate specific routines.
1569	*/	1403	*/
1570	void	1404	void
1571	move_spell_effect (object *op)	1405	move_spell_effect (object *op)
1572	{	1406	{
…		…
1630	check_bullet (op);	1464	check_bullet (op);
1631	return;	1465	return;
1632	}	1466	}
1633	}	1467	}
1634		1468
1635	/* This is called by move_apply. Basically, if someone	1469	/* This is called by move_apply. Basically, if someone
1636	* moves onto a spell effect and the walk_on or fly_on flags	1470	* moves onto a spell effect and the walk_on or fly_on flags
1637	* are set, this is called. This should only be called for	1471	* are set, this is called. This should only be called for
1638	* objects of the appropraite type.	1472	* objects of the appropriate type.
1639	*/	1473	*/
1640	void	1474	void
1641	apply_spell_effect (object spell, object victim)	1475	apply_spell_effect (object spell, object victim)
1642	{	1476	{
1643	switch (spell->subtype)	1477	switch (spell->subtype)
…		…
1649		1483
1650	case SP_MAGIC_MISSILE:	1484	case SP_MAGIC_MISSILE:
1651	if (QUERY_FLAG (victim, FLAG_ALIVE))	1485	if (QUERY_FLAG (victim, FLAG_ALIVE))
1652	{	1486	{
1653	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1487	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1654
1655	if (!spell->destroyed ())
1656	spell->destroy ();	1488	spell->destroy ();
1657	}	1489	}
1658	break;	1490	break;
1659		1491
1660	case SP_MOVING_BALL:	1492	case SP_MOVING_BALL:
1661	if (QUERY_FLAG (victim, FLAG_ALIVE))	1493	if (QUERY_FLAG (victim, FLAG_ALIVE))
1662	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1494	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1663	else if (victim->material \|\| victim->materialname)	1495	else if (victim->materialname)
1664	save_throw_object (victim, spell->attacktype, spell);	1496	save_throw_object (victim, spell->attacktype, spell);
		1497
1665	break;	1498	break;
1666	}	1499	}
1667	}	1500	}
		1501
		1502	/**
		1503	* This function will let a fireball explode at the position of
		1504	* the victim with a specific maximum level.
		1505	*/
		1506	void
		1507	create_exploding_ball_at (object *victim, int level)
		1508	{
		1509	object *ball = get_archetype (EXPLODING_FIREBALL);
		1510	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1511	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1512	ball->insert_at (victim);
		1513	}

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.35 by root, Thu Jan 18 22:20:00 2007 UTC vs. Revision 1.99 by root, Mon Oct 12 14:00:59 2009 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.35 by root, Thu Jan 18 22:20:00 2007 UTC vs.
Revision 1.99 by root, Mon Oct 12 14:00:59 2009 UTC