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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.27 by root, Mon Dec 25 11:25:50 2006 UTC vs.
Revision 1.88 by root, Sun Dec 28 06:59:27 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 = rndm (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	static int
173	* This function takes a caster and spell and presents the	91	attuned_bonus (object caster, object spell, int level)
174	* effective level the caster needs to be to cast the spell.
175	* basically, it just adjusts the spell->level with attuned/repelled
176	* spellpaths. Was called path_level_mod
177	*
178	* caster is person casting hte spell.
179	* spell is the spell object.
180	* Returns modified level.
181	*/
182	int
183	min_casting_level (object caster, object spell)
184	{	92	{
185	int new_level;	93	// compute the attuned/repelled bonus
186		94	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
187	if (caster->path_denied & spell->path_attuned)	95	// repell has no such quarrels
188	return 1;	96	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
189		97	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
190	new_level = spell->level
191	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
192
193	return (new_level < 1) ? 1 : new_level;
194	}	98	}
195
196		99
197	/* This function returns the effective level the spell	100	/* This function returns the effective level the spell
198	* is being cast at.	101	* 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	*/	102	*/
203
204	int	103	int
205	caster_level (object caster, object spell)	104	casting_level (object caster, object spell)
206	{	105	{
207	int level = caster->level;	106	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		107
218	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	108	/* 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)	109	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
220	{	110	{
221	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	111	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
222	int sk_level = skill ? skill->level : 1;	112	int sk_level = skill ? skill->level : 1;
223		113
224	level = MIN (level, sk_level + level / 10 + 1);	114	level = min (level, sk_level + level / 10 + 1);
225	}	115	}
		116	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		117	if (object *skill = caster->contr->find_skill (spell->skill))
		118	level = skill->level;
226		119
227	/* Got valid caster level. Now adjust for attunement */	120	int bonus = attuned_bonus (caster, spell, level);
228	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	121
		122	level += bonus;
		123
		124	// now scale the effective level from the startinglevel..100 range to 1..100
		125	if (level < 100)
		126	level = lerp (level, (int)spell->level, 100, 1, 100);
229		127
230	/* Always make this at least 1. If this is zero, we get divide by zero	128	/* Always make this at least 1. If this is zero, we get divide by zero
231	* errors in various places.	129	* errors in various places.
232	*/	130	*/
233	if (level < 1)
234	level = 1;
235
236	return level;	131	return max (level, 1);
237	}	132	}
238		133
239	/* The following function scales the spellpoint cost of	134	/* The following function scales the spellpoint cost of
240	* a spell by it's increased effectiveness. Some of the	135	* a spell by it's increased effectiveness. Some of the
241	* lower level spells become incredibly vicious at high	136	* lower level spells become incredibly vicious at high
…		…
245	* caster is what is casting the spell, can be op.	140	* caster is what is casting the spell, can be op.
246	* spell is the spell object.	141	* spell is the spell object.
247	* Note that it is now possible for a spell to cost both grace and	142	* 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.	143	* mana. In that case, we return which ever value is higher.
249	*/	144	*/
250
251	sint16	145	sint16
252	SP_level_spellpoint_cost (object caster, object spell, int flags)	146	SP_level_spellpoint_cost (object caster, object spell, int flags)
253	{	147	{
254	int sp, grace, level = caster_level (caster, spell);	148	int sp, grace, level = casting_level (caster, spell);
255		149
256	if (settings.spellpoint_level_depend == TRUE)	150	if (settings.spellpoint_level_depend == TRUE)
257	{	151	{
258	if (spell->stats.sp && spell->stats.maxsp)	152	if (spell->stats.sp && spell->stats.maxsp)
259	{	153	{
…		…
280	else	174	else
281	{	175	{
282	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	176	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
283	if (spell->stats.sp && !sp)	177	if (spell->stats.sp && !sp)
284	sp = 1;	178	sp = 1;
		179
285	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	180	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
286	if (spell->stats.grace && !grace)	181	if (spell->stats.grace && !grace)
287	grace = 1;	182	grace = 1;
288	}	183	}
		184
289	if (flags == SPELL_HIGHEST)	185	if (flags == SPELL_HIGHEST)
290	return MAX (sp, grace);	186	return MAX (sp, grace);
291	else if (flags == SPELL_GRACE)	187	else if (flags == SPELL_GRACE)
292	return grace;	188	return grace;
293	else if (flags == SPELL_MANA)	189	else if (flags == SPELL_MANA)
…		…
297	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	193	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
298	return 0;	194	return 0;
299	}	195	}
300	}	196	}
301		197
		198	/*
		199	* Return the effective casting level of the spell.
		200	* To make spells independent of their starting level, this function
		201	* scales the range spellstartlevel .. 100 into the range 1..100
		202	*/
		203	static int
		204	SP_casting_level (object caster, object spell)
		205	{
		206	return casting_level (caster, spell);
		207	}
302		208
303	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	209	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
304	* spob is the spell we are adjusting.	210	* spob is the spell we are adjusting.
305	*/	211	*/
306	int	212	int
307	SP_level_dam_adjust (object caster, object spob)	213	SP_level_dam_adjust (object caster, object spob)
308	{	214	{
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)	215	if (!spob->dam_modifier)
315	adj /= spob->dam_modifier;
316	else
317	adj = 0;
318	return adj;	216	return 0;
		217
		218	return SP_casting_level (caster, spob) / spob->dam_modifier;
319	}	219	}
320		220
321	/* Adjust the strength of the spell based on level.	221	/* Adjust the strength of the spell based on level.
322	* This is basically the same as SP_level_dam_adjust above,	222	* This is basically the same as SP_level_dam_adjust above,
323	* but instead looks at the level_modifier value.	223	* but instead looks at the level_modifier value.
324	*/	224	*/
325	int	225	int
326	SP_level_duration_adjust (object caster, object spob)	226	SP_level_duration_adjust (object caster, object spob)
327	{	227	{
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)	228	if (!spob->duration_modifier)
334	adj /= spob->duration_modifier;
335	else
336	adj = 0;
337
338	return adj;	229	return 0;
		230
		231	return SP_casting_level (caster, spob) / spob->duration_modifier;
339	}	232	}
340		233
341	/* Adjust the strength of the spell based on level.	234	/* Adjust the strength of the spell based on level.
342	* This is basically the same as SP_level_dam_adjust above,	235	* This is basically the same as SP_level_dam_adjust above,
343	* but instead looks at the level_modifier value.	236	* but instead looks at the level_modifier value.
344	*/	237	*/
345	int	238	int
346	SP_level_range_adjust (object caster, object spob)	239	SP_level_range_adjust (object caster, object spob)
347	{	240	{
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)	241	if (!spob->range_modifier)
354	adj /= spob->range_modifier;
355	else
356	adj = 0;
357
358	return adj;	242	return 0;
		243
		244	return SP_casting_level (caster, spob) / spob->range_modifier;
359	}	245	}
360		246
361	/* Checks to see if player knows the spell. If the name is the same	247	/* Checks to see if player knows the spell. If the name is the same
362	* as an existing spell, we presume they know it.	248	* as an existing spell, we presume they know it.
363	* returns 1 if they know the spell, 0 if they don't.	249	* returns 1 if they know the spell, 0 if they don't.
364	*/	250	*/
365	object *	251	object *
366	check_spell_known (object op, const char name)	252	check_spell_known (object op, const char name)
367	{	253	{
368	object *spop;	254	object *spop;
		255	shstr_cmp name_ (name);
369		256
370	for (spop = op->inv; spop; spop = spop->below)	257	for (spop = op->inv; spop; spop = spop->below)
371	if (spop->type == SPELL && !strcmp (spop->name, name))	258	if (spop->type == SPELL && spop->name == name)
372	return spop;	259	return spop;
373		260
374	return NULL;	261	return 0;
375	}	262	}
376
377		263
378	/*	264	/*
379	* Look at object 'op' and see if they know the spell	265	* Look at object 'op' and see if they know the spell
380	* spname. This is pretty close to check_spell_known	266	* spname. This is pretty close to check_spell_known
381	* above, but it uses a looser matching mechanism.	267	* above, but it uses a looser matching mechanism.
382	* returns the matching spell object, or NULL.	268	* returns the matching spell object, or NULL.
383	* If we match multiple spells but don't get an	269	* If we match multiple spells but don't get an
384	* exact match, we also return NULL.	270	* exact match, we also return NULL.
385	*/	271	*/
386
387	object *	272	object *
388	lookup_spell_by_name (object op, const char spname)	273	lookup_spell_by_name (object op, const char spname)
389	{	274	{
390	object spob1 = NULL, spob2 = NULL, *spob;	275	object spob1 = NULL, spob2 = NULL, *spob;
391	int nummatch = 0;	276	int nummatch = 0;
…		…
437	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
438	*/	323	*/
439	int	324	int
440	reflwall (maptile m, int x, int y, object sp_op)	325	reflwall (maptile m, int x, int y, object sp_op)
441	{	326	{
442	object *op;
443
444	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
445	return 0;	328	return 0;
		329
446	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	330	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
447	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
448	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!QUERY_FLAG (op, FLAG_ALIVE)
449	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
450	return 1;	334	return 1;
451		335
…		…
471	{	355	{
472	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	356	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
473	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	357	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
474	dir = 0;	358	dir = 0;
475	}	359	}
476	new_op->x = op->x + freearr_x[dir];	360
477	new_op->y = op->y + freearr_y[dir];	361	SET_FLAG (new_op, FLAG_IDENTIFIED);
478	if (dir == 0)	362	op->map->insert (new_op,
479	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
480	else	364	op,
481	insert_ob_in_map (new_op, op->map, op, 0);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
		366
482	return dir;	367	return dir;
483	}	368	}
484		369
485	/* Returns true if it is ok to put spell *op on the space/may provided.	370	/* Returns true if it is ok to put spell *op on the space/may provided.
486	* immune_stop is basically the attacktype of the spell (why	371	* immune_stop is basically the attacktype of the spell (why
…		…
488	* has the AT_MAGIC bit set, and there is a counterwall	373	* has the AT_MAGIC bit set, and there is a counterwall
489	* on the space, the object doesn't get placed. if immune stop	374	* on the space, the object doesn't get placed. if immune stop
490	* does not have AT_MAGIC, then counterwalls do not effect the spell.	375	* does not have AT_MAGIC, then counterwalls do not effect the spell.
491	*	376	*
492	*/	377	*/
493
494	int	378	int
495	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)	379	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
496	{	380	{
497	object *tmp;	381	if (!xy_normalise (m, x, y))
498	int mflags;
499	maptile *mp;
500
501	mp = m;
502	mflags = get_map_flags (m, &mp, x, y, &x, &y);
503
504	if (mflags & P_OUT_OF_MAP)
505	return 0;	382	return 0;
506		383
507	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	384	mapspace &ms = m->at (x, y);
		385	ms.update ();
		386
		387	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
508	return 0;	388	return 0;
509		389
510	for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above)	390	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
511	{	391	{
512	/* If there is a counterspell on the space, and this	392	/* If there is a counterspell on the space, and this
513	* object is using magic, don't progress. I believe we could	393	* object is using magic, don't progress. I believe we could
514	* leave this out and let in progress, and other areas of the code	394	* leave this out and let in progress, and other areas of the code
515	* will then remove it, but that would seem to to use more	395	* will then remove it, but that would seem to to use more
516	* resources, and may not work as well if a player is standing	396	* resources, and may not work as well if a player is standing
517	* on top of a counterwall spell (may hit the player before being	397	* on top of a counterwall spell (may hit the player before being
518	* removed.) On the other hand, it may be more dramatic for the	398	* removed.) On the other hand, it may be more dramatic for the
519	* spell to actually hit the counterwall and be sucked up.	399	* spell to actually hit the counterwall and be sucked up.
520	*/	400	*/
521	if ((tmp->attacktype & AT_COUNTERSPELL) &&	401	if ((tmp->attacktype & AT_COUNTERSPELL)
522	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	402	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
523	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	403	&& (tmp->type != PLAYER)
		404	&& (tmp->type != WEAPON)
		405	&& (tmp->type != BOW)
		406	&& (tmp->type != ARROW)
		407	&& (tmp->type != GOLEM)
		408	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		409	// we special case floor here because there
		410	// are sometimes spell effect floors
		411	// which are used to inflict damage
		412	// (and those shouldn't go away from
		413	// sanctuary) see also: permanent lava
		414	&& (immune_stop & AT_MAGIC))
524	return 0;	415	return 0;
525		416
526	/* This is to prevent 'out of control' spells. Basically, this	417	/* This is to prevent 'out of control' spells. Basically, this
527	* limits one spell effect per space per spell. This is definately	418	* limits one spell effect per space per spell. This is definately
528	* needed for performance reasons, and just for playability I believe.	419	* needed for performance reasons, and just for playability I believe.
…		…
535	/*	426	/*
536	* Combine similar spell effects into one spell effect. Needed for	427	* Combine similar spell effects into one spell effect. Needed for
537	* performance reasons with meteor swarm and the like, but also for	428	* performance reasons with meteor swarm and the like, but also for
538	* playability reasons.	429	* playability reasons.
539	*/	430	*/
540	if (tmp->arch == op->arch	431	if (tmp->arch == op->arch /* no harm if not comparing by name here */
541	&& tmp->type == op->type	432	&& tmp->type == op->type
542	&& tmp->subtype == op->subtype	433	&& tmp->subtype == op->subtype
		434	&& tmp->owner == op->owner
543	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))	435	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
544	{	436	{
545	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	437	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);
546	tmp->range = MAX (tmp->range, op->range);	438	tmp->range = MAX (tmp->range, op->range);
547	tmp->duration = MAX (tmp->duration, op->duration);	439	tmp->duration = MAX (tmp->duration, op->duration);
548	return 0;	440	return 0;
…		…
550		442
551	/* Perhaps we should also put checks in for no magic and unholy	443	/* Perhaps we should also put checks in for no magic and unholy
552	* ground to prevent it from moving along?	444	* ground to prevent it from moving along?
553	*/	445	*/
554	}	446	}
		447
555	/* If it passes the above tests, it must be OK */	448	/* If it passes the above tests, it must be OK */
556	return 1;	449	return 1;
557	}	450	}
558		451
559	/* fire_arch_from_position: fires an archetype.	452	/* fire_arch_from_position: fires an archetype.
…		…
564	* dir: direction to fire in.	457	* dir: direction to fire in.
565	* spell: spell that is being fired. It uses other_arch for the archetype	458	* spell: spell that is being fired. It uses other_arch for the archetype
566	* to fire.	459	* to fire.
567	* returns 0 on failure, 1 on success.	460	* returns 0 on failure, 1 on success.
568	*/	461	*/
569
570	int	462	int
571	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	463	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
572	{	464	{
573	object *tmp;
574	int mflags;
575	maptile *m;
576
577	if (spell->other_arch == NULL)	465	if (!spell->other_arch)
578	return 0;	466	return 0;
579		467
580	m = op->map;	468	object *tmp = spell->other_arch->instance ();
581	mflags = get_map_flags (m, &m, x, y, &x, &y);
582	if (mflags & P_OUT_OF_MAP)
583	{
584	return 0;
585	}
586		469
587	tmp = arch_to_object (spell->other_arch);	470	if (!tmp)
588
589	if (tmp == NULL)
590	return 0;	471	return 0;
591
592	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
593	{
594	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
595	tmp->destroy ();
596	return 0;
597	}
598		472
599	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	473	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
600	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	474	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
601	/* code in time.c uses food for some things, duration for others */	475	/* code in time.c uses food for some things, duration for others */
602	tmp->stats.food = tmp->duration;	476	tmp->stats.food = tmp->duration;
603	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	477	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
604	tmp->attacktype = spell->attacktype;	478	tmp->attacktype = spell->attacktype;
605	tmp->x = x;
606	tmp->y = y;
607	tmp->direction = dir;	479	tmp->direction = dir;
608	if (op->owner != NULL)
609	tmp->set_owner (op);	480	tmp->set_owner (op);
610	else
611	tmp->set_owner (op);
612	tmp->level = caster_level (caster, spell);	481	tmp->level = casting_level (caster, spell);
613	set_spell_skill (op, caster, spell, tmp);	482	set_spell_skill (op, caster, spell, tmp);
614		483
615	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	484	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
616	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	485	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
617	{
618	if (!tailor_god_spell (tmp, op))	486	if (!tailor_god_spell (tmp, op))
619	return 0;	487	return 0;
620	}	488
621	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	489	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
622	SET_ANIMATION (tmp, dir);	490	SET_ANIMATION (tmp, dir);
623		491
624	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	492	if ((tmp = op->map->insert (tmp, x, y, op)))
625	return 1;
626
627	move_spell_effect (tmp);	493	move_spell_effect (tmp);
628		494
629	return 1;	495	return 1;
630	}	496	}
631
632
633		497
634	/*****************************************************************************	498	/*****************************************************************************
635	*	499	*
636	* Code related to rods - perhaps better located in another file?	500	* Code related to rods - perhaps better located in another file?
637	*	501	*
638	****************************************************************************/	502	****************************************************************************/
639
640	void	503	void
641	regenerate_rod (object *rod)	504	regenerate_rod (object *rod)
642	{	505	{
643	if (rod->stats.hp < rod->stats.maxhp)	506	if (rod->stats.hp < rod->stats.maxhp)
644	{	507	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
645	rod->stats.hp += 1 + rod->stats.maxhp / 10;
646
647	if (rod->stats.hp > rod->stats.maxhp)
648	rod->stats.hp = rod->stats.maxhp;
649	}
650	}	508	}
651
652		509
653	void	510	void
654	drain_rod_charge (object *rod)	511	drain_rod_charge (object *rod)
655	{	512	{
656	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	513	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
657	}	514	}
658
659
660
661		515
662	/* this function is commonly used to find a friendly target for	516	/* this function is commonly used to find a friendly target for
663	* spells such as heal or protection or armour	517	* spells such as heal or protection or armour
664	* op is what is looking for the target (which can be a player),	518	* op is what is looking for the target (which can be a player),
665	* dir is the direction we are looking in. Return object found, or	519	* dir is the direction we are looking in. Return object found, or
666	* NULL if no good object.	520	* NULL if no good object.
667	*/	521	*/
668
669	object *	522	object *
670	find_target_for_friendly_spell (object *op, int dir)	523	find_target_for_friendly_spell (object *op, int dir)
671	{	524	{
672	object *tmp;	525	object *tmp;
673	maptile *m;
674	sint16 x, y;
675	int mflags;
676		526
677	/* I don't really get this block - if op isn't a player or rune,	527	/* I don't really get this block - if op isn't a player or rune,
678	* we then make the owner of this object the target.	528	* we then make the owner of this object the target.
679	* The owner could very well be no where near op.	529	* The owner could very well be no where near op.
680	*/	530	*/
…		…
687	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	537	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))
688	tmp = op;	538	tmp = op;
689	}	539	}
690	else	540	else
691	{	541	{
692	m = op->map;	542	maptile *m = op->map;
693	x = op->x + freearr_x[dir];	543	sint16 x = op->x + freearr_x[dir];
694	y = op->y + freearr_y[dir];	544	sint16 y = op->y + freearr_y[dir];
695
696	mflags = get_map_flags (m, &m, x, y, &x, &y);
697
698	if (mflags & P_OUT_OF_MAP)
699	tmp = 0;
700	else	545
		546	tmp = xy_normalise (m, x, y)
701	tmp = m->at (x, y).player ();	547	? m->at (x, y).player ()
		548	: 0;
702	}	549	}
703		550
704	/* didn't find a player there, look in current square for a player */	551	/* didn't find a player there, look in current square for a player */
705	if (!tmp)	552	if (!tmp)
706	tmp = op->ms ().player ();	553	tmp = op->ms ().player ();
707		554
708	return tmp;	555	return tmp;
709	}	556	}
710
711
712		557
713	/* raytrace:	558	/* raytrace:
714	* spell_find_dir(map, x, y, exclude) will search first the center square	559	* spell_find_dir(map, x, y, exclude) will search first the center square
715	* then some close squares in the given map at the given coordinates for	560	* then some close squares in the given map at the given coordinates for
716	* live objects.	561	* live objects.
…		…
719	* monsters/generators only. If not, the spell will hunt players only.	564	* monsters/generators only. If not, the spell will hunt players only.
720	* It returns the direction toward the first/closest live object if it finds	565	* It returns the direction toward the first/closest live object if it finds
721	* any, otherwise -1.	566	* any, otherwise -1.
722	* note that exclude can be NULL, in which case all bets are off.	567	* note that exclude can be NULL, in which case all bets are off.
723	*/	568	*/
724
725	int	569	int
726	spell_find_dir (maptile m, int x, int y, object exclude)	570	spell_find_dir (maptile m, int x, int y, object exclude)
727	{	571	{
728	int i, max = SIZEOFFREE;	572	int i, max = SIZEOFFREE;
729	sint16 nx, ny;	573	sint16 nx, ny;
…		…
756	return freedir[i];	600	return freedir[i];
757	}	601	}
758	return -1; /* flag for "keep going the way you were" */	602	return -1; /* flag for "keep going the way you were" */
759	}	603	}
760		604
761
762
763	/* put_a_monster: puts a monster named monstername near by	605	/* put_a_monster: puts a monster named monstername near by
764	* op. This creates the treasures for the monsters, and	606	* op. This creates the treasures for the monsters, and
765	* also deals with multipart monsters properly.	607	* also deals with multipart monsters properly.
766	*/	608	*/
767
768	void	609	void
769	put_a_monster (object op, const char monstername)	610	put_a_monster (object op, const char monstername)
770	{	611	{
771	object tmp, head = NULL, *prev = NULL;	612	object tmp, head = NULL, *prev = NULL;
772	archetype *at;	613	archetype *at;
…		…
779		620
780	/* find a free square nearby	621	/* find a free square nearby
781	* first we check the closest square for free squares	622	* first we check the closest square for free squares
782	*/	623	*/
783		624
784	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	625	dir = find_first_free_spot (at, op->map, op->x, op->y);
785	if (dir != -1)	626	if (dir != -1)
786	{	627	{
787	/* This is basically grabbed for generate monster. Fixed 971225 to	628	/* This is basically grabbed for generate monster. Fixed 971225 to
788	* insert multipart monsters properly	629	* insert multipart monsters properly
789	*/	630	*/
		631	//TODO: use expand_tail + ...
790	while (at != NULL)	632	while (at != NULL)
791	{	633	{
792	tmp = arch_to_object (at);	634	tmp = arch_to_object (at);
793	tmp->x = op->x + freearr_x[dir] + at->clone.x;	635	tmp->x = op->x + freearr_x[dir] + at->x;
794	tmp->y = op->y + freearr_y[dir] + at->clone.y;	636	tmp->y = op->y + freearr_y[dir] + at->y;
795	tmp->map = op->map;	637	tmp->map = op->map;
796	if (head)	638	if (head)
797	{	639	{
798	tmp->head = head;	640	tmp->head = head;
799	prev->more = tmp;	641	prev->more = tmp;
800	}	642	}
		643
801	if (!head)	644	if (!head)
802	head = tmp;	645	head = tmp;
		646
803	prev = tmp;	647	prev = tmp;
		648
804	at = at->more;	649	at = (archetype *)at->more;
805	}	650	}
806		651
807	if (head->randomitems)	652	if (head->randomitems)
808	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	653	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
809		654
810	insert_ob_in_map (head, op->map, op, 0);	655	insert_ob_in_map (head, op->map, op, 0);
811		656
812	/* thought it'd be cool to insert a burnout, too. */	657	/* thought it'd be cool to insert a burnout, too. */
813	tmp = get_archetype ("burnout");	658	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
814	tmp->map = op->map;
815	tmp->x = op->x + freearr_x[dir];
816	tmp->y = op->y + freearr_y[dir];
817	insert_ob_in_map (tmp, op->map, op, 0);
818	}	659	}
819	}	660	}
820		661
821	/* peterm: function which summons hostile monsters and	662	/* peterm: function which summons hostile monsters and
822	* places them in nearby squares.	663	* places them in nearby squares.
…		…
849	{	690	{
850	int attacktype;	691	int attacktype;
851	int face;	692	int face;
852	} ATTACKS[22] =	693	} ATTACKS[22] =
853	{	694	{
854	{
855	AT_PHYSICAL, 0},	695	{ AT_PHYSICAL, 0},
856	{
857	AT_PHYSICAL, 0}, /face = explosion /	696	{ AT_PHYSICAL, 0}, /face = explosion /
858	{
859	AT_PHYSICAL, 0},	697	{ AT_PHYSICAL, 0},
860	{
861	AT_MAGIC, 1},	698	{ AT_MAGIC, 1},
862	{
863	AT_MAGIC, 1}, /* face = last-burnout */	699	{ AT_MAGIC, 1}, /* face = last-burnout */
864	{
865	AT_MAGIC, 1},	700	{ AT_MAGIC, 1},
866	{
867	AT_FIRE, 2},	701	{ AT_FIRE, 2},
868	{
869	AT_FIRE, 2}, /* face = fire.... */	702	{ AT_FIRE, 2}, /* face = fire.... */
870	{
871	AT_FIRE, 2},	703	{ AT_FIRE, 2},
872	{
873	AT_ELECTRICITY, 3},	704	{ AT_ELECTRICITY, 3},
874	{
875	AT_ELECTRICITY, 3}, /* ball_lightning */	705	{ AT_ELECTRICITY, 3}, /* ball_lightning */
876	{
877	AT_ELECTRICITY, 3},	706	{ AT_ELECTRICITY, 3},
878	{
879	AT_COLD, 4},	707	{ AT_COLD, 4},
880	{
881	AT_COLD, 4}, /* face=icestorm */	708	{ AT_COLD, 4}, /* face=icestorm */
882	{
883	AT_COLD, 4},	709	{ AT_COLD, 4},
884	{
885	AT_CONFUSION, 5},	710	{ AT_CONFUSION, 5},
886	{
887	AT_POISON, 7},	711	{ AT_POISON, 7},
888	{
889	AT_POISON, 7}, /* face = acid sphere. generator */	712	{ AT_POISON, 7}, /* face = acid sphere. generator */
890	{
891	AT_POISON, 7}, /* poisoncloud face */	713	{ AT_POISON, 7}, /* poisoncloud face */
892	{
893	AT_SLOW, 8},	714	{ AT_SLOW, 8},
894	{
895	AT_PARALYZE, 9},	715	{ AT_PARALYZE, 9},
896	{
897	AT_FEAR, 10}};	716	{ AT_FEAR, 10},
898		717	};
899
900		718
901	/* shuffle_attack: peterm	719	/* shuffle_attack: peterm
902	* This routine shuffles the attack of op to one of the	720	* This routine shuffles the attack of op to one of the
903	* ones in the list. It does this at random. It also	721	* ones in the list. It does this at random. It also
904	* chooses a face appropriate to the attack that is	722	* chooses a face appropriate to the attack that is
…		…
927	{	745	{
928	SET_ANIMATION (op, ATTACKS[i].face);	746	SET_ANIMATION (op, ATTACKS[i].face);
929	}	747	}
930	}	748	}
931		749
932
933	/* prayer_failure: This is called when a player fails	750	/* prayer_failure: This is called when a player fails
934	* at casting a prayer.	751	* at casting a prayer.
935	* op is the player.	752	* op is the player.
936	* failure is basically how much grace they had.	753	* failure is basically how much grace they had.
937	* power is how much grace the spell would normally take to cast.	754	* power is how much grace the spell would normally take to cast.
938	*/	755	*/
939
940	void	756	void
941	prayer_failure (object *op, int failure, int power)	757	prayer_failure (object *op, int failure, int power)
942	{	758	{
943	const char *godname;	759	const char *godname;
944	object *tmp;	760	object *tmp;
…		…
1022	else	838	else
1023	{	839	{
1024	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	840	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1025	tmp = get_archetype (LOOSE_MANA);	841	tmp = get_archetype (LOOSE_MANA);
1026	tmp->level = skill->level;	842	tmp->level = skill->level;
1027	tmp->x = op->x;
1028	tmp->y = op->y;
1029		843
1030	/* increase the area of destruction a little for more powerful spells */	844	/* increase the area of destruction a little for more powerful spells */
1031	tmp->range += isqrt (power);	845	tmp->range += isqrt (power);
1032		846
1033	if (power > 25)	847	if (power > 25)
1034	tmp->stats.dam = 25 + isqrt (power);	848	tmp->stats.dam = 25 + isqrt (power);
1035	else	849	else
1036	tmp->stats.dam = power; /* nasty recoils! */	850	tmp->stats.dam = power; /* nasty recoils! */
1037		851
1038	tmp->stats.maxhp = tmp->count;	852	tmp->stats.maxhp = tmp->count;
1039	insert_ob_in_map (tmp, op->map, NULL, 0);	853
		854	tmp->insert_at (op);
1040	}	855	}
1041	}	856	}
1042	}	857	}
1043		858
1044	int	859	int
1045	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	860	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1046	{	861	{
1047	int success;	862	int success;
1048	player *pl;
1049	object *spell;	863	object *spell;
1050		864
1051	if (!spell_ob->other_arch)	865	if (!spell_ob->other_arch)
1052	{	866	{
1053	LOG (llevError, "cast_party_spell: empty other arch\n");	867	LOG (llevError, "cast_party_spell: empty other arch\n");
1054	return 0;	868	return 0;
1055	}	869	}
		870
1056	spell = arch_to_object (spell_ob->other_arch);	871	spell = arch_to_object (spell_ob->other_arch);
1057		872
1058	/* Always cast spell on caster */	873	/* Always cast spell on caster */
1059	success = cast_spell (op, caster, dir, spell, stringarg);	874	success = cast_spell (op, caster, dir, spell, stringarg);
1060		875
1061	if (caster->contr->party == NULL)	876	if (caster->contr->party == NULL)
1062	{	877	{
1063	spell->remove ();	878	spell->remove ();
1064	return success;	879	return success;
1065	}	880	}
		881
1066	for_all_players (pl)	882	for_all_players (pl)
1067	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	883	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1068	{
1069	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	884	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1070	}	885
1071	spell->remove ();	886	spell->remove ();
1072	return success;	887	return success;
1073	}	888	}
1074		889
1075	/* This is where the main dispatch when someone casts a spell.	890	/* This is where the main dispatch when someone casts a spell.
…		…
1097	*	912	*
1098	* if it is a player casting the spell (op->type == PLAYER, op == caster),	913	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1099	* this function will decrease the mana/grace appropriately. For other	914	* this function will decrease the mana/grace appropriately. For other
1100	* objects, the caller should do what it considers appropriate.	915	* objects, the caller should do what it considers appropriate.
1101	*/	916	*/
1102
1103	int	917	int
1104	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	918	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1105	{	919	{
1106	const char *godname;	920	const char *godname;
1107	int success = 0, mflags, cast_level = 0, old_shoottype;	921	int success = 0;
1108	object *skill = NULL;	922	object *skill = NULL;
1109
1110	old_shoottype = op->contr ? op->contr->shoottype : 0;
1111		923
1112	if (!spell_ob)	924	if (!spell_ob)
1113	{	925	{
1114	LOG (llevError, "cast_spell: null spell object passed\n");	926	LOG (llevError, "cast_spell: null spell object passed\n");
1115	return 0;	927	return 0;
…		…
1143	* need to have the right skill pointer passed, so we need to	955	* need to have the right skill pointer passed, so we need to
1144	* at least process that code.	956	* at least process that code.
1145	*/	957	*/
1146	if (op->type == PLAYER && op == caster)	958	if (op->type == PLAYER && op == caster)
1147	{	959	{
1148	cast_level = caster_level (caster, spell_ob);
1149	if (spell_ob->skill)	960	if (spell_ob->skill)
1150	{	961	{
1151	skill = find_skill_by_name (op, spell_ob->skill);	962	skill = find_skill_by_name (op, spell_ob->skill);
		963
1152	if (!skill)	964	if (!skill)
1153	{	965	{
1154	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	966	op->failmsg (format ("You need the skill %s to cast %s! "
		967	"H<You either need to learn the skill via a skill scroll "
		968	"or you need to wear a talisman or holy symbol.>",
		969	&spell_ob->skill, &spell_ob->name));
1155	return 0;	970	return 0;
1156	}	971	}
1157	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	972
		973	const char *msg = "";
		974
		975	int caster_level = skill->level;
		976
		977	if (op->path_attuned & spell_ob->path_attuned)
1158	{	978	{
1159	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	979	caster_level += min (caster_level, ATTUNE_REPELL);
		980	msg = " (attuned)";
		981	}
		982
		983	if (op->path_repelled & spell_ob->path_attuned)
		984	{
		985	caster_level -= ATTUNE_REPELL; // negative is ok
		986	msg = " (repelled)";
		987	}
		988
		989	if (spell_ob->level > caster_level)
		990	{
		991	op->failmsg (format ("You lack enough skill to cast that spell! "
		992	"H<Your effective cast level is %d%s, but level %d is required.>",
		993	caster_level, msg, spell_ob->level));
		994	if (!op->is_wiz ())
1160	return 0;	995	return 0;
1161	}	996	}
1162	}	997	}
		998
1163	/* If the caster is the wiz, they don't ever fail, and don't have	999	/* If the caster is the wiz, they don't ever fail, and don't have
1164	* to have sufficient grace/mana.	1000	* to have sufficient grace/mana.
1165	*/	1001	*/
1166	if (!QUERY_FLAG (op, FLAG_WIZ))	1002	if (!QUERY_FLAG (op, FLAG_WIZCAST))
1167	{	1003	{
1168	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1004	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1169	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1005	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1170	{	1006	{
1171	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1007	op->failmsg ("You don't have enough mana!");
1172	return 0;	1008	return 0;
1173	}	1009	}
		1010
1174	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1011	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1175	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1012	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1176	{	1013	{
1177	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1014	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1178	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1015	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1179	{
1180	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1016	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1181	}
1182	else	1017	else
1183	{	1018	{
1184	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1019	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1185	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1020	op->failmsg (format ("%s ignores your prayer.", godname));
1186	return 0;	1021	return 0;
1187	}	1022	}
1188	}	1023	}
1189		1024
1190	/* player/monster is trying to cast the spell. might fumble it */	1025	/* player/monster is trying to cast the spell. might fumble it */
1191	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1026	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1192	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1027	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1193	{	1028	{
1194	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1029	op->contr->play_sound (sound_find ("fumble_spell"));
1195	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1030	op->failmsg ("You fumble the prayer.");
1196	if (settings.casting_time == TRUE)	1031
1197	{
1198	op->casting_time = -1;
1199	}
1200	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1032	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1201	return 0;	1033	return 0;
1202	}	1034	}
1203	else if (spell_ob->stats.sp)	1035	else if (spell_ob->stats.sp)
1204	{	1036	{
1205	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1037	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1206		1038
1207	if (failure < 0)	1039	if (failure < 0)
1208	{	1040	{
1209	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1041	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1210	if (settings.spell_failure_effects == TRUE)	1042	if (settings.spell_failure_effects == TRUE)
1211	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1043	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1212	op->contr->shoottype = (rangetype) old_shoottype;	1044
1213	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1045	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1214	return 0;	1046	return 0;
1215	}	1047	}
1216	}	1048	}
1217	}	1049	}
1218	}	1050	}
1219		1051
1220	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1052	int mflags = op->ms ().flags ();
1221		1053
1222	/* See if we can cast a spell here. If the caster and op are	1054	/* See if we can cast a spell here. If the caster and op are
1223	* not alive, then this would mean that the mapmaker put the	1055	* not alive, then this would mean that the mapmaker put the
1224	* objects on the space - presume that they know what they are	1056	* objects on the space - presume that they know what they are
1225	* doing.	1057	* doing.
1226	*/	1058	*/
1227		1059
1228	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1060	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1229	{	1061	{
1230	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1062	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1231	return 0;	1063	return 0;
1232	}	1064	}
1233		1065
1234	if ((spell_ob->type == SPELL)	1066	if ((spell_ob->type == SPELL)
1235	&& (caster->type != POTION)	1067	&& (caster->type != POTION)
…		…
1240	{	1072	{
1241	if (op->type != PLAYER)	1073	if (op->type != PLAYER)
1242	return 0;	1074	return 0;
1243		1075
1244	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1076	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1245	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1077	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1246	else	1078	else if (object *item = op->contr->ranged_ob)
1247	switch (op->contr->shoottype)
1248	{	1079	{
1249	case range_magic:	1080	if (item->type == SPELL)
1250	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1081	op->failmsg ("Something blocks your spellcasting.");
1251	break;	1082	else if (item->type == SCROLL)
1252	case range_misc:	1083	op->failmsg ("Something blocks the magic of your scroll.");
1253	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1254	break;
1255	case range_golem:
1256	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1257	break;
1258	default:
1259	break;
1260	}
1261	return 0;
1262	}
1263
1264	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1265	{
1266	if (op->casting_time == -1)
1267	{ /* begin the casting */
1268	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1269	op->spell = spell_ob;
1270	/* put the stringarg into the object struct so that when the
1271	* spell is actually cast, it knows about the stringarg.
1272	* necessary for the invoke command spells.
1273	*/
1274	if (stringarg)
1275	{
1276	op->spellarg = strdup (stringarg);
1277	}
1278	else	1084	else
1279	op->spellarg = NULL;	1085	op->failmsg ("Something blocks the magic of your item.");
1280	return 0;
1281	}
1282	else if (op->casting_time != 0)
1283	{
1284	if (op->type == PLAYER)
1285	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1286	return 0;
1287	}	1086	}
1288	else	1087	else
1289	{ /* casting_time == 0 */	1088	op->failmsg ("Something blocks the spell!");
1290	op->casting_time = -1;	1089
1291	spell_ob = op->spell;	1090	return 0;
1292	stringarg = op->spellarg;
1293	}
1294	}
1295	else
1296	{	1091	}
		1092
1297	/* Take into account how long it takes to cast the spell.	1093	/* Take into account how long it takes to cast the spell.
1298	* if the player is casting it, then we use the time in	1094	* if the player is casting it, then we use the time in
1299	* the spell object. If it is a spell object, have it	1095	* the spell object. If it is a spell object, have it
1300	* take two ticks. Things that cast spells on the players	1096	* take two ticks. Things that cast spells on the players
1301	* behalf (eg, altars, and whatever else) shouldn't cost	1097	* behalf (eg, altars, and whatever else) shouldn't cost
1302	* the player any time.	1098	* the player any time.
1303	* Ignore casting time for firewalls	1099	* Ignore casting time for firewalls
		1100	*/
		1101	if (caster == op && caster->type != FIREWALL)
		1102	{
		1103	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1104	/* Other portions of the code may also decrement the speed of the player, so
		1105	* put a lower limit so that the player isn't stuck here too long
1304	*/	1106	*/
1305	if (caster == op && caster->type != FIREWALL)
1306	{
1307	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1308	/* Other portions of the code may also decrement the speed of the player, so
1309	* put a lower limit so that the player isn't stuck here too long
1310	*/
1311	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1107	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1312	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1108	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1313	}	1109	}
1314	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1110	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1315	{
1316	op->speed_left -= 2 * FABS (op->speed);	1111	op->speed_left -= 2 * FABS (op->speed);
1317	}
1318	}
1319		1112
1320	if (op->type == PLAYER && op == caster)	1113	if (op->type == PLAYER && op == caster)
1321	{	1114	{
1322	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1115	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1323	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1116	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1330	if (op != caster && !skill && caster->skill)	1123	if (op != caster && !skill && caster->skill)
1331	{	1124	{
1332	skill = find_skill_by_name (op, caster->skill);	1125	skill = find_skill_by_name (op, caster->skill);
1333	if (!skill)	1126	if (!skill)
1334	{	1127	{
1335	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1128	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1336	return 0;	1129	return 0;
1337	}	1130	}
		1131
1338	change_skill (op, skill, 0); /* needed for proper exp credit */	1132	op->change_skill (skill); /* needed for proper exp credit */
1339	}	1133	}
		1134
		1135	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
		1136	return RESULT_INT (0);
1340		1137
1341	switch (spell_ob->subtype)	1138	switch (spell_ob->subtype)
1342	{	1139	{
1343	/* The order of case statements is same as the order they show up	1140	/* The order of case statements is same as the order they show up
1344	* in in spells.h.	1141	* in in spells.h.
1345	*/	1142	*/
1346	case SP_RAISE_DEAD:	1143	case SP_RAISE_DEAD:
1347	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1144	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);
1348	break;	1145	break;
1349		1146
1350	case SP_RUNE:	1147	case SP_RUNE:
…		…
1378	case SP_SMITE:	1175	case SP_SMITE:
1379	success = cast_smite_spell (op, caster, dir, spell_ob);	1176	success = cast_smite_spell (op, caster, dir, spell_ob);
1380	break;	1177	break;
1381		1178
1382	case SP_MAGIC_MISSILE:	1179	case SP_MAGIC_MISSILE:
1383	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1180	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1384	break;	1181	break;
1385		1182
1386	case SP_SUMMON_GOLEM:	1183	case SP_SUMMON_GOLEM:
1387	success = summon_golem (op, caster, dir, spell_ob);	1184	success = summon_golem (op, caster, dir, spell_ob);
1388	old_shoottype = range_golem;
1389	break;	1185	break;
1390		1186
1391	case SP_DIMENSION_DOOR:	1187	case SP_DIMENSION_DOOR:
1392	/* dimension door needs the actual caster, because that is what is	1188	/* dimension door needs the actual caster, because that is what is
1393	* moved.	1189	* moved.
…		…
1466	#ifdef NO_POLYMORPH	1262	#ifdef NO_POLYMORPH
1467	/* Not great, but at least provide feedback so if players do have	1263	/* Not great, but at least provide feedback so if players do have
1468	* polymorph (ie, find it as a preset item or left over from before	1264	* polymorph (ie, find it as a preset item or left over from before
1469	* it was disabled), they get some feedback.	1265	* it was disabled), they get some feedback.
1470	*/	1266	*/
1471	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1267	op->failmsg ("The spell fizzles!");
1472	success = 0;	1268	success = 0;
1473	#else	1269	#else
1474	success = cast_polymorph (op, caster, spell_ob, dir);	1270	success = cast_polymorph (op, caster, spell_ob, dir);
1475	#endif	1271	#endif
1476	break;	1272	break;
…		…
1496	break;	1292	break;
1497		1293
1498	case SP_MOVING_BALL:	1294	case SP_MOVING_BALL:
1499	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1295	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1500	{	1296	{
1501	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1297	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1502	success = 0;	1298	success = 0;
1503	}	1299	}
1504	else	1300	else
1505	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1301	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1506	break;	1302	break;
1507		1303
1508	case SP_SWARM:	1304	case SP_SWARM:
1509	success = fire_swarm (op, caster, spell_ob, dir);	1305	success = fire_swarm (op, caster, spell_ob, dir);
1510	break;	1306	break;
…		…
1526	success = cast_consecrate (op, caster, spell_ob);	1322	success = cast_consecrate (op, caster, spell_ob);
1527	break;	1323	break;
1528		1324
1529	case SP_ANIMATE_WEAPON:	1325	case SP_ANIMATE_WEAPON:
1530	success = animate_weapon (op, caster, spell_ob, dir);	1326	success = animate_weapon (op, caster, spell_ob, dir);
1531	old_shoottype = range_golem;
1532	break;	1327	break;
1533		1328
1534	case SP_LIGHT:	1329	case SP_LIGHT:
1535	success = cast_light (op, caster, spell_ob, dir);	1330	success = cast_light (op, caster, spell_ob, dir);
1536	break;	1331	break;
…		…
1549		1344
1550	case SP_AURA:	1345	case SP_AURA:
1551	success = create_aura (op, caster, spell_ob);	1346	success = create_aura (op, caster, spell_ob);
1552	break;	1347	break;
1553		1348
1554	case SP_TOWN_PORTAL:
1555	success = cast_create_town_portal (op, caster, spell_ob, dir);
1556	break;
1557
1558	case SP_PARTY_SPELL:	1349	case SP_PARTY_SPELL:
1559	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1350	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);
1560	break;	1351	break;
1561		1352
1562	default:	1353	default:
1563	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1564	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1354	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1565	}
1566
1567	/* FIXME - we need some better sound suppport */
1568	// yes, for example, augment map info with the spell effect
1569	// so clients can calculate the sounds themselves
1570	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1571
1572	/* free the spell arg */
1573	if (settings.casting_time == TRUE && stringarg)
1574	{	1355	}
1575	free (stringarg);	1356
1576	stringarg = NULL;	1357	op->play_sound (
1577	}	1358	success
1578	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1359	? spell_ob->sound
1579	* to something like use_magic_item, but you really want to be able to fire	1360	? spell_ob->sound
1580	* it again.	1361	: sound_find ("spell_success")
1581	*/	1362	: sound_find ("fumble_spell")
1582	if (op->contr)	1363	);
1583	op->contr->shoottype = (rangetype) old_shoottype;
1584		1364
1585	return success;	1365	return success;
1586	}	1366	}
1587		1367
1588
1589	/* This is called from time.c/process_object(). That function	1368	/* This is called from time.c/process_object(). That function
1590	* calls this for any SPELL_EFFECT type objects. This function	1369	* calls this for any SPELL_EFFECT type objects. This function
1591	* then dispatches them to the appropriate specific routines.	1370	* then dispatches them to the appropriate specific routines.
1592	*/	1371	*/
1593	void	1372	void
1594	move_spell_effect (object *op)	1373	move_spell_effect (object *op)
1595	{	1374	{
…		…
1653	check_bullet (op);	1432	check_bullet (op);
1654	return;	1433	return;
1655	}	1434	}
1656	}	1435	}
1657		1436
1658	/* This is called by move_apply. Basically, if someone	1437	/* This is called by move_apply. Basically, if someone
1659	* moves onto a spell effect and the walk_on or fly_on flags	1438	* moves onto a spell effect and the walk_on or fly_on flags
1660	* are set, this is called. This should only be called for	1439	* are set, this is called. This should only be called for
1661	* objects of the appropraite type.	1440	* objects of the appropriate type.
1662	*/	1441	*/
1663	void	1442	void
1664	apply_spell_effect (object spell, object victim)	1443	apply_spell_effect (object spell, object victim)
1665	{	1444	{
1666	switch (spell->subtype)	1445	switch (spell->subtype)
…		…
1672		1451
1673	case SP_MAGIC_MISSILE:	1452	case SP_MAGIC_MISSILE:
1674	if (QUERY_FLAG (victim, FLAG_ALIVE))	1453	if (QUERY_FLAG (victim, FLAG_ALIVE))
1675	{	1454	{
1676	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1455	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1677
1678	if (!spell->destroyed ())
1679	spell->destroy ();	1456	spell->destroy ();
1680	}	1457	}
1681	break;	1458	break;
1682		1459
1683	case SP_MOVING_BALL:	1460	case SP_MOVING_BALL:
1684	if (QUERY_FLAG (victim, FLAG_ALIVE))	1461	if (QUERY_FLAG (victim, FLAG_ALIVE))
1685	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1462	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1686	else if (victim->material \|\| victim->materialname)	1463	else if (victim->materialname)
1687	save_throw_object (victim, spell->attacktype, spell);	1464	save_throw_object (victim, spell->attacktype, spell);
		1465
1688	break;	1466	break;
1689	}	1467	}
1690	}	1468	}
		1469

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.27 by root, Mon Dec 25 11:25:50 2006 UTC vs. Revision 1.88 by root, Sun Dec 28 06:59:27 2008 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.27 by root, Mon Dec 25 11:25:50 2006 UTC vs.
Revision 1.88 by root, Sun Dec 28 06:59:27 2008 UTC