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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.24 by root, Wed Dec 20 09:14:22 2006 UTC vs.
Revision 1.79 by root, Mon Sep 29 06:32:09 2008 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 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
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your 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 GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23
24		23
25	#include <global.h>	24	#include <global.h>
26	#include <spells.h>	25	#include <spells.h>
27	#include <object.h>	26	#include <object.h>
28	#include <errno.h>	27	#include <errno.h>
29	#ifndef __CEXTRACT__
30	# include <sproto.h>	28	#include <sproto.h>
31	#endif
32	#include <sounds.h>	29	#include <sounds.h>
33		30
34	extern char *spell_mapping[];	31	extern char *spell_mapping[];
35		32
36	/* This returns a random spell from 'ob'. If skill is set, then	33	/* This returns a random spell from 'ob'. If skill is set, then
39	*/	36	*/
40	object *	37	object *
41	find_random_spell_in_ob (object ob, const char skill)	38	find_random_spell_in_ob (object ob, const char skill)
42	{	39	{
43	int k = 0, s;	40	int k = 0, s;
44	object *tmp;
45		41
46	for (tmp = ob->inv; tmp; tmp = tmp->below)	42	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
47	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	43	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
48	k++;	44	k++;
49		45
50	/* No spells, no need to progess further */	46	/* No spells, no need to progess further */
51	if (!k)	47	if (!k)
52	return NULL;	48	return NULL;
53		49
54	s = RANDOM () % k;	50	s = RANDOM () % k;
55		51
56	for (tmp = ob->inv; tmp; tmp = tmp->below)	52	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
57	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	53	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
58	{
59	if (!s)	54	if (!s)
60	return tmp;	55	return tmp;
61	else	56	else
62	s--;	57	s--;
63	}	58
64	/* Should never get here, but just in case */	59	/* Should never get here, but just in case */
65	return NULL;	60	return 0;
66	}	61	}
67		62
68	/* Relatively simple function that gets used a lot.	63	/* Relatively simple function that gets used a lot.
69	* Basically, it sets up the skill pointer for the spell being	64	* Basically, it sets up the skill pointer for the spell being
70	* cast. If op is really casting the spell, then the skill	65	* cast. If op is really casting the spell, then the skill
…		…
80	dest->skill = spob->skill;	75	dest->skill = spob->skill;
81	else	76	else
82	dest->skill = caster->skill;	77	dest->skill = caster->skill;
83	}	78	}
84		79
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	80	/* pretty basic function - basically just takes
154	* an object, sets the x,y, and calls insert_ob_in_map	81	* an object, sets the x,y, and calls insert_ob_in_map
155	*/	82	*/
156
157	void	83	void
158	spell_effect (object spob, int x, int y, maptile map, object *originator)	84	spell_effect (object spob, int x, int y, maptile map, object *originator)
159	{	85	{
160
161	if (spob->other_arch != NULL)	86	if (spob->other_arch)
162	{	87	map->insert (arch_to_object (spob->other_arch), 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	}	88	}
171		89
172	/*	90	/*
173	* This function takes a caster and spell and presents the	91	* This function takes a caster and spell and presents the
174	* effective level the caster needs to be to cast the spell.	92	* effective level the caster needs to be to cast the spell.
175	* basically, it just adjusts the spell->level with attuned/repelled	93	* basically, it just adjusts the spell->level with attuned/repelled
176	* spellpaths. Was called path_level_mod	94	* spellpaths. Was called path_level_mod.
177	*	95	*
178	* caster is person casting hte spell.	96	* caster is person casting the spell.
179	* spell is the spell object.	97	* spell is the spell object.
180	* Returns modified level.	98	* Returns modified level.
181	*/	99	*/
182	int	100	int
183	min_casting_level (object caster, object spell)	101	min_casting_level (object caster, object spell)
184	{	102	{
185	int new_level;
186
187	if (caster->path_denied & spell->path_attuned)	103	if (caster->path_denied & spell->path_attuned)
188	return 1;	104	return 1;
189		105
190	new_level = spell->level	106	int new_level = spell->level
191	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);	107	+ (caster->path_repelled & spell->path_attuned ? +ATTUNE_REPELL : 0)
		108	+ (caster->path_attuned & spell->path_attuned ? -ATTUNE_REPELL : 0);
192		109
193	return (new_level < 1) ? 1 : new_level;	110	return max (1, new_level);
194	}	111	}
195
196		112
197	/* This function returns the effective level the spell	113	/* This function returns the effective level the spell
198	* is being cast at.	114	* 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	*/	115	*/
203
204	int	116	int
205	caster_level (object caster, object spell)	117	casting_level (object caster, object spell)
206	{	118	{
207	int level = caster->level;	119	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		120
218	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	121	/* 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)	122	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
220	{	123	{
221	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	124	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
222	int sk_level = skill ? skill->level : 1;	125	int sk_level = skill ? skill->level : 1;
223		126
224	level = MIN (level, sk_level + level / 10 + 1);	127	level = min (level, sk_level + level / 10 + 1);
225	}	128	}
		129	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		130	if (object *skill = caster->contr->find_skill (spell->skill))
		131	level = skill->level;
		132
		133	// now scale the effective level from the startinglevel..100 range to 1..100
		134	if (level < 100)
		135	level = lerp (level, (int)spell->level, 100, 1, 100);
226		136
227	/* Got valid caster level. Now adjust for attunement */	137	/* Got valid caster level. Now adjust for attunement */
228	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	138	// attuned only increases up to 2 times the original level */
		139	if (caster->path_attuned & spell->path_attuned)
		140	level = min (level * 2, level + ATTUNE_REPELL);
		141
		142	// repell has no such quarrels
		143	if (caster->path_repelled & spell->path_attuned)
		144	level -= ATTUNE_REPELL;
229		145
230	/* Always make this at least 1. If this is zero, we get divide by zero	146	/* Always make this at least 1. If this is zero, we get divide by zero
231	* errors in various places.	147	* errors in various places.
232	*/	148	*/
233	if (level < 1)
234	level = 1;
235
236	return level;	149	return max (level, 1);
237	}	150	}
238		151
239	/* The following function scales the spellpoint cost of	152	/* The following function scales the spellpoint cost of
240	* a spell by it's increased effectiveness. Some of the	153	* a spell by it's increased effectiveness. Some of the
241	* lower level spells become incredibly vicious at high	154	* lower level spells become incredibly vicious at high
…		…
245	* caster is what is casting the spell, can be op.	158	* caster is what is casting the spell, can be op.
246	* spell is the spell object.	159	* spell is the spell object.
247	* Note that it is now possible for a spell to cost both grace and	160	* 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.	161	* mana. In that case, we return which ever value is higher.
249	*/	162	*/
250
251	sint16	163	sint16
252	SP_level_spellpoint_cost (object caster, object spell, int flags)	164	SP_level_spellpoint_cost (object caster, object spell, int flags)
253	{	165	{
254	int sp, grace, level = caster_level (caster, spell);	166	int sp, grace, level = casting_level (caster, spell);
255		167
256	if (settings.spellpoint_level_depend == TRUE)	168	if (settings.spellpoint_level_depend == TRUE)
257	{	169	{
258	if (spell->stats.sp && spell->stats.maxsp)	170	if (spell->stats.sp && spell->stats.maxsp)
259	{	171	{
…		…
280	else	192	else
281	{	193	{
282	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	194	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
283	if (spell->stats.sp && !sp)	195	if (spell->stats.sp && !sp)
284	sp = 1;	196	sp = 1;
		197
285	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	198	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
286	if (spell->stats.grace && !grace)	199	if (spell->stats.grace && !grace)
287	grace = 1;	200	grace = 1;
288	}	201	}
		202
289	if (flags == SPELL_HIGHEST)	203	if (flags == SPELL_HIGHEST)
290	return MAX (sp, grace);	204	return MAX (sp, grace);
291	else if (flags == SPELL_GRACE)	205	else if (flags == SPELL_GRACE)
292	return grace;	206	return grace;
293	else if (flags == SPELL_MANA)	207	else if (flags == SPELL_MANA)
…		…
297	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	211	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
298	return 0;	212	return 0;
299	}	213	}
300	}	214	}
301		215
		216	/*
		217	* Return the effective casting level of the spell.
		218	* To make spells independent of their starting level, this function
		219	* scales the range spellstartlevel .. 100 into the range 1..100
		220	*/
		221	static int
		222	SP_casting_level (object caster, object spell)
		223	{
		224	return casting_level (caster, spell);
		225	}
302		226
303	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	227	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
304	* spob is the spell we are adjusting.	228	* spob is the spell we are adjusting.
305	*/	229	*/
306	int	230	int
307	SP_level_dam_adjust (object caster, object spob)	231	SP_level_dam_adjust (object caster, object spob)
308	{	232	{
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)	233	if (!spob->dam_modifier)
315	adj /= spob->dam_modifier;
316	else
317	adj = 0;
318	return adj;	234	return 0;
		235
		236	return SP_casting_level (caster, spob) / spob->dam_modifier;
319	}	237	}
320		238
321	/* Adjust the strength of the spell based on level.	239	/* Adjust the strength of the spell based on level.
322	* This is basically the same as SP_level_dam_adjust above,	240	* This is basically the same as SP_level_dam_adjust above,
323	* but instead looks at the level_modifier value.	241	* but instead looks at the level_modifier value.
324	*/	242	*/
325	int	243	int
326	SP_level_duration_adjust (object caster, object spob)	244	SP_level_duration_adjust (object caster, object spob)
327	{	245	{
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)	246	if (!spob->duration_modifier)
334	adj /= spob->duration_modifier;
335	else
336	adj = 0;
337
338	return adj;	247	return 0;
		248
		249	return SP_casting_level (caster, spob) / spob->duration_modifier;
339	}	250	}
340		251
341	/* Adjust the strength of the spell based on level.	252	/* Adjust the strength of the spell based on level.
342	* This is basically the same as SP_level_dam_adjust above,	253	* This is basically the same as SP_level_dam_adjust above,
343	* but instead looks at the level_modifier value.	254	* but instead looks at the level_modifier value.
344	*/	255	*/
345	int	256	int
346	SP_level_range_adjust (object caster, object spob)	257	SP_level_range_adjust (object caster, object spob)
347	{	258	{
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)	259	if (!spob->range_modifier)
354	adj /= spob->range_modifier;
355	else
356	adj = 0;
357
358	return adj;	260	return 0;
		261
		262	return SP_casting_level (caster, spob) / spob->range_modifier;
359	}	263	}
360		264
361	/* Checks to see if player knows the spell. If the name is the same	265	/* Checks to see if player knows the spell. If the name is the same
362	* as an existing spell, we presume they know it.	266	* as an existing spell, we presume they know it.
363	* returns 1 if they know the spell, 0 if they don't.	267	* returns 1 if they know the spell, 0 if they don't.
364	*/	268	*/
365	object *	269	object *
366	check_spell_known (object op, const char name)	270	check_spell_known (object op, const char name)
367	{	271	{
368	object *spop;	272	object *spop;
		273	shstr_cmp name_ (name);
369		274
370	for (spop = op->inv; spop; spop = spop->below)	275	for (spop = op->inv; spop; spop = spop->below)
371	if (spop->type == SPELL && !strcmp (spop->name, name))	276	if (spop->type == SPELL && spop->name == name)
372	return spop;	277	return spop;
373		278
374	return NULL;	279	return 0;
375	}	280	}
376		281
377		282
378	/*	283	/*
379	* Look at object 'op' and see if they know the spell	284	* Look at object 'op' and see if they know the spell
…		…
437	* eg, updated for tiled maps.	342	* eg, updated for tiled maps.
438	*/	343	*/
439	int	344	int
440	reflwall (maptile m, int x, int y, object sp_op)	345	reflwall (maptile m, int x, int y, object sp_op)
441	{	346	{
442	object *op;
443
444	if (OUT_OF_REAL_MAP (m, x, y))	347	if (OUT_OF_REAL_MAP (m, x, y))
445	return 0;	348	return 0;
		349
446	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	350	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
447	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	351	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
448	&& (!QUERY_FLAG (op, FLAG_ALIVE)	352	&& (!QUERY_FLAG (op, FLAG_ALIVE)
449	\|\| sp_op->type == LIGHTNING // XXX: elmex: why is LIGHTNING special cased here?
450	// most spells use subtypes for bolts today...
451	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	353	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
452	return 1;	354	return 1;
453		355
454	return 0;	356	return 0;
455	}	357	}
…		…
473	{	375	{
474	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	376	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
475	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	377	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
476	dir = 0;	378	dir = 0;
477	}	379	}
478	new_op->x = op->x + freearr_x[dir];	380
479	new_op->y = op->y + freearr_y[dir];	381	SET_FLAG (new_op, FLAG_IDENTIFIED);
480	if (dir == 0)	382	op->map->insert (new_op,
481	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	383	op->x + freearr_x[dir], op->y + freearr_y[dir],
482	else	384	op,
483	insert_ob_in_map (new_op, op->map, op, 0);	385	dir ? 0 : INS_BELOW_ORIGINATOR);
		386
484	return dir;	387	return dir;
485	}	388	}
486		389
487	/* Returns true if it is ok to put spell *op on the space/may provided.	390	/* Returns true if it is ok to put spell *op on the space/may provided.
488	* immune_stop is basically the attacktype of the spell (why	391	* immune_stop is basically the attacktype of the spell (why
…		…
490	* has the AT_MAGIC bit set, and there is a counterwall	393	* has the AT_MAGIC bit set, and there is a counterwall
491	* on the space, the object doesn't get placed. if immune stop	394	* on the space, the object doesn't get placed. if immune stop
492	* does not have AT_MAGIC, then counterwalls do not effect the spell.	395	* does not have AT_MAGIC, then counterwalls do not effect the spell.
493	*	396	*
494	*/	397	*/
495
496	int	398	int
497	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)	399	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
498	{	400	{
499	object *tmp;	401	if (!xy_normalise (m, x, y))
500	int mflags;
501	maptile *mp;
502
503	mp = m;
504	mflags = get_map_flags (m, &mp, x, y, &x, &y);
505
506	if (mflags & P_OUT_OF_MAP)
507	return 0;	402	return 0;
508		403
509	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	404	mapspace &ms = m->at (x, y);
		405	ms.update ();
		406
		407	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
510	return 0;	408	return 0;
511		409
512	for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above)	410	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
513	{	411	{
514	/* If there is a counterspell on the space, and this	412	/* If there is a counterspell on the space, and this
515	* object is using magic, don't progress. I believe we could	413	* object is using magic, don't progress. I believe we could
516	* leave this out and let in progress, and other areas of the code	414	* leave this out and let in progress, and other areas of the code
517	* will then remove it, but that would seem to to use more	415	* will then remove it, but that would seem to to use more
518	* resources, and may not work as well if a player is standing	416	* resources, and may not work as well if a player is standing
519	* on top of a counterwall spell (may hit the player before being	417	* on top of a counterwall spell (may hit the player before being
520	* removed.) On the other hand, it may be more dramatic for the	418	* removed.) On the other hand, it may be more dramatic for the
521	* spell to actually hit the counterwall and be sucked up.	419	* spell to actually hit the counterwall and be sucked up.
522	*/	420	*/
523	if ((tmp->attacktype & AT_COUNTERSPELL) &&	421	if ((tmp->attacktype & AT_COUNTERSPELL)
524	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	422	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
525	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	423	&& (tmp->type != PLAYER)
		424	&& (tmp->type != WEAPON)
		425	&& (tmp->type != BOW)
		426	&& (tmp->type != ARROW)
		427	&& (tmp->type != GOLEM)
		428	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		429	// we special case floor here because there
		430	// are sometimes spell effect floors
		431	// which are used to inflict damage
		432	// (and those shouldn't go away from
		433	// sanctuary) see also: permanent lava
		434	&& (immune_stop & AT_MAGIC))
526	return 0;	435	return 0;
527		436
528	/* This is to prevent 'out of control' spells. Basically, this	437	/* This is to prevent 'out of control' spells. Basically, this
529	* limits one spell effect per space per spell. This is definately	438	* limits one spell effect per space per spell. This is definately
530	* needed for performance reasons, and just for playability I believe.	439	* needed for performance reasons, and just for playability I believe.
…		…
537	/*	446	/*
538	* Combine similar spell effects into one spell effect. Needed for	447	* Combine similar spell effects into one spell effect. Needed for
539	* performance reasons with meteor swarm and the like, but also for	448	* performance reasons with meteor swarm and the like, but also for
540	* playability reasons.	449	* playability reasons.
541	*/	450	*/
542	if (tmp->arch == op->arch	451	if (tmp->arch == op->arch /* no harm if not comparing by name here */
543	&& tmp->type == op->type	452	&& tmp->type == op->type
544	&& tmp->subtype == op->subtype	453	&& tmp->subtype == op->subtype
		454	&& tmp->owner == op->owner
545	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))	455	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
546	{	456	{
547	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	457	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);
548	tmp->range = MAX (tmp->range, op->range);	458	tmp->range = MAX (tmp->range, op->range);
549	tmp->duration = MAX (tmp->duration, op->duration);	459	tmp->duration = MAX (tmp->duration, op->duration);
550	return 0;	460	return 0;
…		…
552		462
553	/* Perhaps we should also put checks in for no magic and unholy	463	/* Perhaps we should also put checks in for no magic and unholy
554	* ground to prevent it from moving along?	464	* ground to prevent it from moving along?
555	*/	465	*/
556	}	466	}
		467
557	/* If it passes the above tests, it must be OK */	468	/* If it passes the above tests, it must be OK */
558	return 1;	469	return 1;
559	}	470	}
560		471
561	/* fire_arch_from_position: fires an archetype.	472	/* fire_arch_from_position: fires an archetype.
…		…
566	* dir: direction to fire in.	477	* dir: direction to fire in.
567	* spell: spell that is being fired. It uses other_arch for the archetype	478	* spell: spell that is being fired. It uses other_arch for the archetype
568	* to fire.	479	* to fire.
569	* returns 0 on failure, 1 on success.	480	* returns 0 on failure, 1 on success.
570	*/	481	*/
571
572	int	482	int
573	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	483	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
574	{	484	{
575	object *tmp;
576	int mflags;
577	maptile *m;
578
579	if (spell->other_arch == NULL)	485	if (!spell->other_arch)
580	return 0;	486	return 0;
581		487
582	m = op->map;	488	object *tmp = spell->other_arch->instance ();
583	mflags = get_map_flags (m, &m, x, y, &x, &y);
584	if (mflags & P_OUT_OF_MAP)
585	{
586	return 0;
587	}
588		489
589	tmp = arch_to_object (spell->other_arch);	490	if (!tmp)
590
591	if (tmp == NULL)
592	return 0;	491	return 0;
593
594	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
595	{
596	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
597	tmp->destroy ();
598	return 0;
599	}
600		492
601	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	493	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
602	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	494	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
603	/* code in time.c uses food for some things, duration for others */	495	/* code in time.c uses food for some things, duration for others */
604	tmp->stats.food = tmp->duration;	496	tmp->stats.food = tmp->duration;
605	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	497	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
606	tmp->attacktype = spell->attacktype;	498	tmp->attacktype = spell->attacktype;
607	tmp->x = x;
608	tmp->y = y;
609	tmp->direction = dir;	499	tmp->direction = dir;
610	if (op->owner != NULL)
611	tmp->set_owner (op);	500	tmp->set_owner (op);
612	else
613	tmp->set_owner (op);
614	tmp->level = caster_level (caster, spell);	501	tmp->level = casting_level (caster, spell);
615	set_spell_skill (op, caster, spell, tmp);	502	set_spell_skill (op, caster, spell, tmp);
616		503
617	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	504	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
618	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	505	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
619	{
620	if (!tailor_god_spell (tmp, op))	506	if (!tailor_god_spell (tmp, op))
621	return 0;	507	return 0;
622	}	508
623	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	509	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
624	SET_ANIMATION (tmp, dir);	510	SET_ANIMATION (tmp, dir);
625		511
626	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	512	if ((tmp = op->map->insert (tmp, x, y, op)))
627	return 1;
628
629	move_spell_effect (tmp);	513	move_spell_effect (tmp);
630		514
631	return 1;	515	return 1;
632	}	516	}
633
634
635		517
636	/*****************************************************************************	518	/*****************************************************************************
637	*	519	*
638	* Code related to rods - perhaps better located in another file?	520	* Code related to rods - perhaps better located in another file?
639	*	521	*
640	****************************************************************************/	522	****************************************************************************/
641
642	void	523	void
643	regenerate_rod (object *rod)	524	regenerate_rod (object *rod)
644	{	525	{
645	if (rod->stats.hp < rod->stats.maxhp)	526	if (rod->stats.hp < rod->stats.maxhp)
646	{	527	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
647	rod->stats.hp += 1 + rod->stats.maxhp / 10;
648
649	if (rod->stats.hp > rod->stats.maxhp)
650	rod->stats.hp = rod->stats.maxhp;
651	}
652	}	528	}
653
654		529
655	void	530	void
656	drain_rod_charge (object *rod)	531	drain_rod_charge (object *rod)
657	{	532	{
658	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	533	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
659	}	534	}
660
661
662
663		535
664	/* this function is commonly used to find a friendly target for	536	/* this function is commonly used to find a friendly target for
665	* spells such as heal or protection or armour	537	* spells such as heal or protection or armour
666	* op is what is looking for the target (which can be a player),	538	* op is what is looking for the target (which can be a player),
667	* dir is the direction we are looking in. Return object found, or	539	* dir is the direction we are looking in. Return object found, or
668	* NULL if no good object.	540	* NULL if no good object.
669	*/	541	*/
670
671	object *	542	object *
672	find_target_for_friendly_spell (object *op, int dir)	543	find_target_for_friendly_spell (object *op, int dir)
673	{	544	{
674	object *tmp;	545	object *tmp;
675	maptile *m;
676	sint16 x, y;
677	int mflags;
678		546
679	/* I don't really get this block - if op isn't a player or rune,	547	/* I don't really get this block - if op isn't a player or rune,
680	* we then make the owner of this object the target.	548	* we then make the owner of this object the target.
681	* The owner could very well be no where near op.	549	* The owner could very well be no where near op.
682	*/	550	*/
…		…
689	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	557	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))
690	tmp = op;	558	tmp = op;
691	}	559	}
692	else	560	else
693	{	561	{
694	m = op->map;	562	maptile *m = op->map;
695	x = op->x + freearr_x[dir];	563	sint16 x = op->x + freearr_x[dir];
696	y = op->y + freearr_y[dir];	564	sint16 y = op->y + freearr_y[dir];
697
698	mflags = get_map_flags (m, &m, x, y, &x, &y);
699
700	if (mflags & P_OUT_OF_MAP)
701	tmp = NULL;
702	else
703	{	565
704	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	566	tmp = xy_normalise (m, x, y)
705	if (tmp->type == PLAYER)	567	? m->at (x, y).player ()
706	break;	568	: 0;
707	}
708	}	569	}
		570
709	/* didn't find a player there, look in current square for a player */	571	/* didn't find a player there, look in current square for a player */
710	if (tmp == NULL)	572	if (!tmp)
711	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	573	tmp = op->ms ().player ();
712	{
713	if (tmp->type == PLAYER)
714	break;
715	}
716		574
717	return tmp;	575	return tmp;
718	}	576	}
719
720
721		577
722	/* raytrace:	578	/* raytrace:
723	* spell_find_dir(map, x, y, exclude) will search first the center square	579	* spell_find_dir(map, x, y, exclude) will search first the center square
724	* then some close squares in the given map at the given coordinates for	580	* then some close squares in the given map at the given coordinates for
725	* live objects.	581	* live objects.
…		…
728	* monsters/generators only. If not, the spell will hunt players only.	584	* monsters/generators only. If not, the spell will hunt players only.
729	* It returns the direction toward the first/closest live object if it finds	585	* It returns the direction toward the first/closest live object if it finds
730	* any, otherwise -1.	586	* any, otherwise -1.
731	* note that exclude can be NULL, in which case all bets are off.	587	* note that exclude can be NULL, in which case all bets are off.
732	*/	588	*/
733
734	int	589	int
735	spell_find_dir (maptile m, int x, int y, object exclude)	590	spell_find_dir (maptile m, int x, int y, object exclude)
736	{	591	{
737	int i, max = SIZEOFFREE;	592	int i, max = SIZEOFFREE;
738	sint16 nx, ny;	593	sint16 nx, ny;
…		…
765	return freedir[i];	620	return freedir[i];
766	}	621	}
767	return -1; /* flag for "keep going the way you were" */	622	return -1; /* flag for "keep going the way you were" */
768	}	623	}
769		624
770
771
772	/* put_a_monster: puts a monster named monstername near by	625	/* put_a_monster: puts a monster named monstername near by
773	* op. This creates the treasures for the monsters, and	626	* op. This creates the treasures for the monsters, and
774	* also deals with multipart monsters properly.	627	* also deals with multipart monsters properly.
775	*/	628	*/
776
777	void	629	void
778	put_a_monster (object op, const char monstername)	630	put_a_monster (object op, const char monstername)
779	{	631	{
780	object tmp, head = NULL, *prev = NULL;	632	object tmp, head = NULL, *prev = NULL;
781	archetype *at;	633	archetype *at;
…		…
788		640
789	/* find a free square nearby	641	/* find a free square nearby
790	* first we check the closest square for free squares	642	* first we check the closest square for free squares
791	*/	643	*/
792		644
793	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	645	dir = find_first_free_spot (at, op->map, op->x, op->y);
794	if (dir != -1)	646	if (dir != -1)
795	{	647	{
796	/* This is basically grabbed for generate monster. Fixed 971225 to	648	/* This is basically grabbed for generate monster. Fixed 971225 to
797	* insert multipart monsters properly	649	* insert multipart monsters properly
798	*/	650	*/
		651	//TODO: use expand_tail + ...
799	while (at != NULL)	652	while (at != NULL)
800	{	653	{
801	tmp = arch_to_object (at);	654	tmp = arch_to_object (at);
802	tmp->x = op->x + freearr_x[dir] + at->clone.x;	655	tmp->x = op->x + freearr_x[dir] + at->x;
803	tmp->y = op->y + freearr_y[dir] + at->clone.y;	656	tmp->y = op->y + freearr_y[dir] + at->y;
804	tmp->map = op->map;	657	tmp->map = op->map;
805	if (head)	658	if (head)
806	{	659	{
807	tmp->head = head;	660	tmp->head = head;
808	prev->more = tmp;	661	prev->more = tmp;
809	}	662	}
		663
810	if (!head)	664	if (!head)
811	head = tmp;	665	head = tmp;
		666
812	prev = tmp;	667	prev = tmp;
		668
813	at = at->more;	669	at = (archetype *)at->more;
814	}	670	}
815		671
816	if (head->randomitems)	672	if (head->randomitems)
817	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	673	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
818		674
819	insert_ob_in_map (head, op->map, op, 0);	675	insert_ob_in_map (head, op->map, op, 0);
820		676
821	/* thought it'd be cool to insert a burnout, too. */	677	/* thought it'd be cool to insert a burnout, too. */
822	tmp = get_archetype ("burnout");	678	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
823	tmp->map = op->map;
824	tmp->x = op->x + freearr_x[dir];
825	tmp->y = op->y + freearr_y[dir];
826	insert_ob_in_map (tmp, op->map, op, 0);
827	}	679	}
828	}	680	}
829		681
830	/* peterm: function which summons hostile monsters and	682	/* peterm: function which summons hostile monsters and
831	* places them in nearby squares.	683	* places them in nearby squares.
…		…
858	{	710	{
859	int attacktype;	711	int attacktype;
860	int face;	712	int face;
861	} ATTACKS[22] =	713	} ATTACKS[22] =
862	{	714	{
863	{
864	AT_PHYSICAL, 0},	715	{ AT_PHYSICAL, 0},
865	{
866	AT_PHYSICAL, 0}, /face = explosion /	716	{ AT_PHYSICAL, 0}, /face = explosion /
867	{
868	AT_PHYSICAL, 0},	717	{ AT_PHYSICAL, 0},
869	{
870	AT_MAGIC, 1},	718	{ AT_MAGIC, 1},
871	{
872	AT_MAGIC, 1}, /* face = last-burnout */	719	{ AT_MAGIC, 1}, /* face = last-burnout */
873	{
874	AT_MAGIC, 1},	720	{ AT_MAGIC, 1},
875	{
876	AT_FIRE, 2},	721	{ AT_FIRE, 2},
877	{
878	AT_FIRE, 2}, /* face = fire.... */	722	{ AT_FIRE, 2}, /* face = fire.... */
879	{
880	AT_FIRE, 2},	723	{ AT_FIRE, 2},
881	{
882	AT_ELECTRICITY, 3},	724	{ AT_ELECTRICITY, 3},
883	{
884	AT_ELECTRICITY, 3}, /* ball_lightning */	725	{ AT_ELECTRICITY, 3}, /* ball_lightning */
885	{
886	AT_ELECTRICITY, 3},	726	{ AT_ELECTRICITY, 3},
887	{
888	AT_COLD, 4},	727	{ AT_COLD, 4},
889	{
890	AT_COLD, 4}, /* face=icestorm */	728	{ AT_COLD, 4}, /* face=icestorm */
891	{
892	AT_COLD, 4},	729	{ AT_COLD, 4},
893	{
894	AT_CONFUSION, 5},	730	{ AT_CONFUSION, 5},
895	{
896	AT_POISON, 7},	731	{ AT_POISON, 7},
897	{
898	AT_POISON, 7}, /* face = acid sphere. generator */	732	{ AT_POISON, 7}, /* face = acid sphere. generator */
899	{
900	AT_POISON, 7}, /* poisoncloud face */	733	{ AT_POISON, 7}, /* poisoncloud face */
901	{
902	AT_SLOW, 8},	734	{ AT_SLOW, 8},
903	{
904	AT_PARALYZE, 9},	735	{ AT_PARALYZE, 9},
905	{
906	AT_FEAR, 10}};	736	{ AT_FEAR, 10},
907		737	};
908
909		738
910	/* shuffle_attack: peterm	739	/* shuffle_attack: peterm
911	* This routine shuffles the attack of op to one of the	740	* This routine shuffles the attack of op to one of the
912	* ones in the list. It does this at random. It also	741	* ones in the list. It does this at random. It also
913	* chooses a face appropriate to the attack that is	742	* chooses a face appropriate to the attack that is
…		…
1031	else	860	else
1032	{	861	{
1033	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	862	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1034	tmp = get_archetype (LOOSE_MANA);	863	tmp = get_archetype (LOOSE_MANA);
1035	tmp->level = skill->level;	864	tmp->level = skill->level;
1036	tmp->x = op->x;
1037	tmp->y = op->y;
1038		865
1039	/* increase the area of destruction a little for more powerful spells */	866	/* increase the area of destruction a little for more powerful spells */
1040	tmp->range += isqrt (power);	867	tmp->range += isqrt (power);
1041		868
1042	if (power > 25)	869	if (power > 25)
1043	tmp->stats.dam = 25 + isqrt (power);	870	tmp->stats.dam = 25 + isqrt (power);
1044	else	871	else
1045	tmp->stats.dam = power; /* nasty recoils! */	872	tmp->stats.dam = power; /* nasty recoils! */
1046		873
1047	tmp->stats.maxhp = tmp->count;	874	tmp->stats.maxhp = tmp->count;
1048	insert_ob_in_map (tmp, op->map, NULL, 0);	875
		876	tmp->insert_at (op);
1049	}	877	}
1050	}	878	}
1051	}	879	}
1052		880
1053	int	881	int
1054	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	882	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1055	{	883	{
1056	int success;	884	int success;
1057	player *pl;
1058	object *spell;	885	object *spell;
1059		886
1060	if (!spell_ob->other_arch)	887	if (!spell_ob->other_arch)
1061	{	888	{
1062	LOG (llevError, "cast_party_spell: empty other arch\n");	889	LOG (llevError, "cast_party_spell: empty other arch\n");
1063	return 0;	890	return 0;
1064	}	891	}
		892
1065	spell = arch_to_object (spell_ob->other_arch);	893	spell = arch_to_object (spell_ob->other_arch);
1066		894
1067	/* Always cast spell on caster */	895	/* Always cast spell on caster */
1068	success = cast_spell (op, caster, dir, spell, stringarg);	896	success = cast_spell (op, caster, dir, spell, stringarg);
1069		897
1070	if (caster->contr->party == NULL)	898	if (caster->contr->party == NULL)
1071	{	899	{
1072	spell->remove ();	900	spell->remove ();
1073	return success;	901	return success;
1074	}	902	}
1075	for (pl = first_player; pl != NULL; pl = pl->next)	903
		904	for_all_players (pl)
1076	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	905	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1077	{
1078	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	906	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1079	}	907
1080	spell->remove ();	908	spell->remove ();
1081	return success;	909	return success;
1082	}	910	}
1083		911
1084	/* This is where the main dispatch when someone casts a spell.	912	/* This is where the main dispatch when someone casts a spell.
…		…
1106	*	934	*
1107	* if it is a player casting the spell (op->type == PLAYER, op == caster),	935	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1108	* this function will decrease the mana/grace appropriately. For other	936	* this function will decrease the mana/grace appropriately. For other
1109	* objects, the caller should do what it considers appropriate.	937	* objects, the caller should do what it considers appropriate.
1110	*/	938	*/
1111
1112	int	939	int
1113	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	940	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1114	{	941	{
1115	const char *godname;	942	const char *godname;
1116	int success = 0, mflags, cast_level = 0, old_shoottype;	943	int success = 0, cast_level = 0;
1117	object *skill = NULL;	944	object *skill = NULL;
1118
1119	old_shoottype = op->contr ? op->contr->shoottype : 0;
1120		945
1121	if (!spell_ob)	946	if (!spell_ob)
1122	{	947	{
1123	LOG (llevError, "cast_spell: null spell object passed\n");	948	LOG (llevError, "cast_spell: null spell object passed\n");
1124	return 0;	949	return 0;
…		…
1152	* need to have the right skill pointer passed, so we need to	977	* need to have the right skill pointer passed, so we need to
1153	* at least process that code.	978	* at least process that code.
1154	*/	979	*/
1155	if (op->type == PLAYER && op == caster)	980	if (op->type == PLAYER && op == caster)
1156	{	981	{
1157	cast_level = caster_level (caster, spell_ob);
1158	if (spell_ob->skill)	982	if (spell_ob->skill)
1159	{	983	{
1160	skill = find_skill_by_name (op, spell_ob->skill);	984	skill = find_skill_by_name (op, spell_ob->skill);
		985
1161	if (!skill)	986	if (!skill)
1162	{	987	{
1163	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	988	op->failmsg (format ("You need the skill %s to cast %s! "
		989	"H<You either need to learn the skill via a skill scroll "
		990	"or you need to wear a talisman or holy symbol.>",
		991	&spell_ob->skill, &spell_ob->name));
1164	return 0;	992	return 0;
1165	}	993	}
1166	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	994
		995	const char *msg = "";
		996
		997	int caster_level = skill->level;
		998
		999	if (op->path_attuned & spell_ob->path_attuned)
1167	{	1000	{
1168	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1001	caster_level += ATTUNE_REPELL;
		1002	msg = " (attuned)";
		1003	}
		1004
		1005	if (op->path_repelled & spell_ob->path_attuned)
		1006	{
		1007	caster_level = ATTUNE_REPELL; // negative is ok
		1008	msg = " (repelled)";
		1009	}
		1010
		1011	int casting_level = min_casting_level (op, spell_ob);
		1012
		1013	if (casting_level > caster_level)
		1014	{
		1015	op->failmsg (format ("You lack enough skill to cast that spell! "
		1016	"H<Your effective cast level is %d%s, but level %d is required.>",
		1017	caster_level, msg, casting_level));
		1018	if (!op->is_wiz ())
1169	return 0;	1019	return 0;
1170	}	1020	}
1171	}	1021	}
		1022
1172	/* If the caster is the wiz, they don't ever fail, and don't have	1023	/* If the caster is the wiz, they don't ever fail, and don't have
1173	* to have sufficient grace/mana.	1024	* to have sufficient grace/mana.
1174	*/	1025	*/
1175	if (!QUERY_FLAG (op, FLAG_WIZ))	1026	if (!QUERY_FLAG (op, FLAG_WIZ))
1176	{	1027	{
1177	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1028	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1178	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1029	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1179	{	1030	{
1180	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1031	op->failmsg ("You don't have enough mana!");
1181	return 0;	1032	return 0;
1182	}	1033	}
		1034
1183	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1035	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1184	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1036	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1185	{	1037	{
1186	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1038	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1187	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1039	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1188	{
1189	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1040	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1190	}
1191	else	1041	else
1192	{	1042	{
1193	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1043	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1194	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1044	op->failmsg (format ("%s ignores your prayer.", godname));
1195	return 0;	1045	return 0;
1196	}	1046	}
1197	}	1047	}
1198		1048
1199	/* player/monster is trying to cast the spell. might fumble it */	1049	/* player/monster is trying to cast the spell. might fumble it */
1200	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1050	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1201	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1051	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1202	{	1052	{
1203	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1053	op->contr->play_sound (sound_find ("fumble_spell"));
1204	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1054	op->failmsg ("You fumble the prayer.");
1205	if (settings.casting_time == TRUE)	1055
1206	{
1207	op->casting_time = -1;
1208	}
1209	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1056	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1210	return 0;	1057	return 0;
1211	}	1058	}
1212	else if (spell_ob->stats.sp)	1059	else if (spell_ob->stats.sp)
1213	{	1060	{
1214	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1061	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1215		1062
1216	if (failure < 0)	1063	if (failure < 0)
1217	{	1064	{
1218	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1065	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1219	if (settings.spell_failure_effects == TRUE)	1066	if (settings.spell_failure_effects == TRUE)
1220	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1067	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1221	op->contr->shoottype = (rangetype) old_shoottype;	1068
1222	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1069	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1223	return 0;	1070	return 0;
1224	}	1071	}
1225	}	1072	}
1226	}	1073	}
1227	}	1074	}
1228		1075
1229	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1076	int mflags = op->ms ().flags ();
1230		1077
1231	/* See if we can cast a spell here. If the caster and op are	1078	/* See if we can cast a spell here. If the caster and op are
1232	* not alive, then this would mean that the mapmaker put the	1079	* not alive, then this would mean that the mapmaker put the
1233	* objects on the space - presume that they know what they are	1080	* objects on the space - presume that they know what they are
1234	* doing.	1081	* doing.
1235	*/	1082	*/
1236		1083
1237	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1084	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1238	{	1085	{
1239	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1086	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1240	return 0;	1087	return 0;
1241	}	1088	}
1242		1089
1243	if ((spell_ob->type == SPELL)	1090	if ((spell_ob->type == SPELL)
1244	&& (caster->type != POTION)	1091	&& (caster->type != POTION)
…		…
1249	{	1096	{
1250	if (op->type != PLAYER)	1097	if (op->type != PLAYER)
1251	return 0;	1098	return 0;
1252		1099
1253	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1100	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1254	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1101	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1255	else	1102	else if (object *item = op->contr->ranged_ob)
1256	switch (op->contr->shoottype)
1257	{	1103	{
1258	case range_magic:	1104	if (item->type == SPELL)
1259	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1105	op->failmsg ("Something blocks your spellcasting.");
1260	break;	1106	else if (item->type == SCROLL)
1261	case range_misc:	1107	op->failmsg ("Something blocks the magic of your scroll.");
1262	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1263	break;
1264	case range_golem:
1265	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1266	break;
1267	default:
1268	break;
1269	}
1270	return 0;
1271	}
1272
1273	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1274	{
1275	if (op->casting_time == -1)
1276	{ /* begin the casting */
1277	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1278	op->spell = spell_ob;
1279	/* put the stringarg into the object struct so that when the
1280	* spell is actually cast, it knows about the stringarg.
1281	* necessary for the invoke command spells.
1282	*/
1283	if (stringarg)
1284	{
1285	op->spellarg = strdup (stringarg);
1286	}
1287	else	1108	else
1288	op->spellarg = NULL;	1109	op->failmsg ("Something blocks the magic of your item.");
1289	return 0;
1290	}
1291	else if (op->casting_time != 0)
1292	{
1293	if (op->type == PLAYER)
1294	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1295	return 0;
1296	}	1110	}
1297	else	1111	else
1298	{ /* casting_time == 0 */	1112	op->failmsg ("Something blocks the spell!");
1299	op->casting_time = -1;	1113
1300	spell_ob = op->spell;	1114	return 0;
1301	stringarg = op->spellarg;
1302	}
1303	}
1304	else
1305	{	1115	}
		1116
1306	/* Take into account how long it takes to cast the spell.	1117	/* Take into account how long it takes to cast the spell.
1307	* if the player is casting it, then we use the time in	1118	* if the player is casting it, then we use the time in
1308	* the spell object. If it is a spell object, have it	1119	* the spell object. If it is a spell object, have it
1309	* take two ticks. Things that cast spells on the players	1120	* take two ticks. Things that cast spells on the players
1310	* behalf (eg, altars, and whatever else) shouldn't cost	1121	* behalf (eg, altars, and whatever else) shouldn't cost
1311	* the player any time.	1122	* the player any time.
1312	* Ignore casting time for firewalls	1123	* Ignore casting time for firewalls
		1124	*/
		1125	if (caster == op && caster->type != FIREWALL)
		1126	{
		1127	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1128	/* Other portions of the code may also decrement the speed of the player, so
		1129	* put a lower limit so that the player isn't stuck here too long
1313	*/	1130	*/
1314	if (caster == op && caster->type != FIREWALL)
1315	{
1316	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1317	/* Other portions of the code may also decrement the speed of the player, so
1318	* put a lower limit so that the player isn't stuck here too long
1319	*/
1320	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1131	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1321	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1132	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1322	}	1133	}
1323	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1134	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1324	{
1325	op->speed_left -= 2 * FABS (op->speed);	1135	op->speed_left -= 2 * FABS (op->speed);
1326	}
1327	}
1328		1136
1329	if (op->type == PLAYER && op == caster)	1137	if (op->type == PLAYER && op == caster)
1330	{	1138	{
1331	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1139	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1332	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1140	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1339	if (op != caster && !skill && caster->skill)	1147	if (op != caster && !skill && caster->skill)
1340	{	1148	{
1341	skill = find_skill_by_name (op, caster->skill);	1149	skill = find_skill_by_name (op, caster->skill);
1342	if (!skill)	1150	if (!skill)
1343	{	1151	{
1344	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1152	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1345	return 0;	1153	return 0;
1346	}	1154	}
		1155
1347	change_skill (op, skill, 0); /* needed for proper exp credit */	1156	op->change_skill (skill); /* needed for proper exp credit */
1348	}	1157	}
		1158
		1159	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
		1160	return RESULT_INT (0);
1349		1161
1350	switch (spell_ob->subtype)	1162	switch (spell_ob->subtype)
1351	{	1163	{
1352	/* The order of case statements is same as the order they show up	1164	/* The order of case statements is same as the order they show up
1353	* in in spells.h.	1165	* in in spells.h.
1354	*/	1166	*/
1355	case SP_RAISE_DEAD:	1167	case SP_RAISE_DEAD:
1356	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1168	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);
1357	break;	1169	break;
1358		1170
1359	case SP_RUNE:	1171	case SP_RUNE:
…		…
1387	case SP_SMITE:	1199	case SP_SMITE:
1388	success = cast_smite_spell (op, caster, dir, spell_ob);	1200	success = cast_smite_spell (op, caster, dir, spell_ob);
1389	break;	1201	break;
1390		1202
1391	case SP_MAGIC_MISSILE:	1203	case SP_MAGIC_MISSILE:
1392	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1204	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1393	break;	1205	break;
1394		1206
1395	case SP_SUMMON_GOLEM:	1207	case SP_SUMMON_GOLEM:
1396	success = summon_golem (op, caster, dir, spell_ob);	1208	success = summon_golem (op, caster, dir, spell_ob);
1397	old_shoottype = range_golem;
1398	break;	1209	break;
1399		1210
1400	case SP_DIMENSION_DOOR:	1211	case SP_DIMENSION_DOOR:
1401	/* dimension door needs the actual caster, because that is what is	1212	/* dimension door needs the actual caster, because that is what is
1402	* moved.	1213	* moved.
…		…
1475	#ifdef NO_POLYMORPH	1286	#ifdef NO_POLYMORPH
1476	/* Not great, but at least provide feedback so if players do have	1287	/* Not great, but at least provide feedback so if players do have
1477	* polymorph (ie, find it as a preset item or left over from before	1288	* polymorph (ie, find it as a preset item or left over from before
1478	* it was disabled), they get some feedback.	1289	* it was disabled), they get some feedback.
1479	*/	1290	*/
1480	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1291	op->failmsg ("The spell fizzles!");
1481	success = 0;	1292	success = 0;
1482	#else	1293	#else
1483	success = cast_polymorph (op, caster, spell_ob, dir);	1294	success = cast_polymorph (op, caster, spell_ob, dir);
1484	#endif	1295	#endif
1485	break;	1296	break;
…		…
1505	break;	1316	break;
1506		1317
1507	case SP_MOVING_BALL:	1318	case SP_MOVING_BALL:
1508	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1319	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1509	{	1320	{
1510	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1321	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1511	success = 0;	1322	success = 0;
1512	}	1323	}
1513	else	1324	else
1514	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1325	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1515	break;	1326	break;
1516		1327
1517	case SP_SWARM:	1328	case SP_SWARM:
1518	success = fire_swarm (op, caster, spell_ob, dir);	1329	success = fire_swarm (op, caster, spell_ob, dir);
1519	break;	1330	break;
…		…
1535	success = cast_consecrate (op, caster, spell_ob);	1346	success = cast_consecrate (op, caster, spell_ob);
1536	break;	1347	break;
1537		1348
1538	case SP_ANIMATE_WEAPON:	1349	case SP_ANIMATE_WEAPON:
1539	success = animate_weapon (op, caster, spell_ob, dir);	1350	success = animate_weapon (op, caster, spell_ob, dir);
1540	old_shoottype = range_golem;
1541	break;	1351	break;
1542		1352
1543	case SP_LIGHT:	1353	case SP_LIGHT:
1544	success = cast_light (op, caster, spell_ob, dir);	1354	success = cast_light (op, caster, spell_ob, dir);
1545	break;	1355	break;
…		…
1558		1368
1559	case SP_AURA:	1369	case SP_AURA:
1560	success = create_aura (op, caster, spell_ob);	1370	success = create_aura (op, caster, spell_ob);
1561	break;	1371	break;
1562		1372
1563	case SP_TOWN_PORTAL:
1564	success = cast_create_town_portal (op, caster, spell_ob, dir);
1565	break;
1566
1567	case SP_PARTY_SPELL:	1373	case SP_PARTY_SPELL:
1568	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1374	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);
1569	break;	1375	break;
1570		1376
1571	default:	1377	default:
1572	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1573	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1378	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1574	}
1575
1576	/* FIXME - we need some better sound suppport */
1577	// yes, for example, augment map info with the spell effect
1578	// so clients can calculate the sounds themselves
1579	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1580
1581	/* free the spell arg */
1582	if (settings.casting_time == TRUE && stringarg)
1583	{	1379	}
1584	free (stringarg);	1380
1585	stringarg = NULL;	1381	op->play_sound (
1586	}	1382	success
1587	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1383	? spell_ob->sound
1588	* to something like use_magic_item, but you really want to be able to fire	1384	? spell_ob->sound
1589	* it again.	1385	: sound_find ("spell_success")
1590	*/	1386	: sound_find ("fumble_spell")
1591	if (op->contr)	1387	);
1592	op->contr->shoottype = (rangetype) old_shoottype;
1593		1388
1594	return success;	1389	return success;
1595	}	1390	}
1596		1391
1597
1598	/* This is called from time.c/process_object(). That function	1392	/* This is called from time.c/process_object(). That function
1599	* calls this for any SPELL_EFFECT type objects. This function	1393	* calls this for any SPELL_EFFECT type objects. This function
1600	* then dispatches them to the appropriate specific routines.	1394	* then dispatches them to the appropriate specific routines.
1601	*/	1395	*/
1602	void	1396	void
1603	move_spell_effect (object *op)	1397	move_spell_effect (object *op)
1604	{	1398	{
…		…
1662	check_bullet (op);	1456	check_bullet (op);
1663	return;	1457	return;
1664	}	1458	}
1665	}	1459	}
1666		1460
1667	/* This is called by move_apply. Basically, if someone	1461	/* This is called by move_apply. Basically, if someone
1668	* moves onto a spell effect and the walk_on or fly_on flags	1462	* moves onto a spell effect and the walk_on or fly_on flags
1669	* are set, this is called. This should only be called for	1463	* are set, this is called. This should only be called for
1670	* objects of the appropraite type.	1464	* objects of the appropriate type.
1671	*/	1465	*/
1672	void	1466	void
1673	apply_spell_effect (object spell, object victim)	1467	apply_spell_effect (object spell, object victim)
1674	{	1468	{
1675	switch (spell->subtype)	1469	switch (spell->subtype)
…		…
1690	break;	1484	break;
1691		1485
1692	case SP_MOVING_BALL:	1486	case SP_MOVING_BALL:
1693	if (QUERY_FLAG (victim, FLAG_ALIVE))	1487	if (QUERY_FLAG (victim, FLAG_ALIVE))
1694	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1488	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1695	else if (victim->material \|\| victim->materialname)	1489	else if (victim->materialname)
1696	save_throw_object (victim, spell->attacktype, spell);	1490	save_throw_object (victim, spell->attacktype, spell);
1697	break;	1491	break;
1698	}	1492	}
1699	}	1493	}
		1494

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.24 by root, Wed Dec 20 09:14:22 2006 UTC vs. Revision 1.79 by root, Mon Sep 29 06:32:09 2008 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.24 by root, Wed Dec 20 09:14:22 2006 UTC vs.
Revision 1.79 by root, Mon Sep 29 06:32:09 2008 UTC