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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.12 by root, Mon Sep 11 20:26:41 2006 UTC vs.
Revision 1.67 by root, Sun Apr 20 00:44:13 2008 UTC

…		…
1
2	/*	1	/*
3	* static char *rcsid_spell_util_c =	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4	* "$Id: spell_util.C,v 1.12 2006/09/11 20:26:41 root Exp $";	3	*
5	*/	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6
7
8	/*
9	CrossFire, A Multiplayer game for X-windows
10
11	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
12	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
13		7	*
14	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
15	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
16	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
17	(at your option) any later version.	11	* (at your option) any later version.
18		12	*
19	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,
20	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
21	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22	GNU General Public License for more details.	16	* GNU General Public License for more details.
23		17	*
24	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
25	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
26	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
27		21	* The authors can be reached via e-mail to <support@deliantra.net>
28	The authors can be reached via e-mail at crossfire-devel@real-time.com
29	*/	22	*/
30
31		23
32	#include <global.h>	24	#include <global.h>
33	#include <spells.h>	25	#include <spells.h>
34	#include <object.h>	26	#include <object.h>
35	#include <errno.h>	27	#include <errno.h>
36	#ifndef __CEXTRACT__
37	# include <sproto.h>	28	#include <sproto.h>
38	#endif
39	#include <sounds.h>	29	#include <sounds.h>
40		30
41	extern char *spell_mapping[];	31	extern char *spell_mapping[];
42		32
43	/* 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
87	dest->skill = spob->skill;	77	dest->skill = spob->skill;
88	else	78	else
89	dest->skill = caster->skill;	79	dest->skill = caster->skill;
90	}	80	}
91		81
92	/* init_spells: This should really be called check_spells, as that
93	* is what it does. It goes through the spells looking for any
94	* obvious errors. This was most useful in debugging when re-doing
95	* all the spells to catch simple errors. To use it all the time
96	* will result in it spitting out messages that aren't really errors.
97	*/
98	void
99	init_spells (void)
100	{
101	#ifdef SPELL_DEBUG
102	static int init_spells_done = 0;
103	int i;
104	archetype *at;
105
106	if (init_spells_done)
107	return;
108	LOG (llevDebug, "Checking spells...\n");
109
110	for (at = first_archetype; at; at = at->next)
111	{
112	if (at->clone.type == SPELL)
113	{
114	if (at->clone.skill)
115	{
116	for (i = 1; i < NUM_SKILLS; i++)
117	if (!strcmp (skill_names[i], at->clone.skill))
118	break;
119	if (i == NUM_SKILLS)
120	{
121	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
122	}
123	}
124	/* other_arch is already checked for in the loader */
125	}
126	}
127
128	i = 0;
129	while (spell_mapping[i])
130	{
131	if (!find_archetype (spell_mapping[i]))
132	{
133	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
134	}
135	i++;
136	}
137	LOG (llevDebug, "Checking spells completed.\n");
138	#endif
139	}
140
141	/* Dumps all the spells - now also dumps skill associated with the spell.
142	* not sure what this would be used for, as the data seems pretty
143	* minimal, but easy enough to keep around.
144	*/
145	void
146	dump_spells (void)
147	{
148	archetype *at;
149
150	for (at = first_archetype; at; at = at->next)
151	{
152	if (at->clone.type == SPELL)
153	{
154	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
155	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
156	}
157	}
158	}
159
160	/* pretty basic function - basically just takes	82	/* pretty basic function - basically just takes
161	* an object, sets the x,y, and calls insert_ob_in_map	83	* an object, sets the x,y, and calls insert_ob_in_map
162	*/	84	*/
163
164	void	85	void
165	spell_effect (object spob, int x, int y, mapstruct map, object *originator)	86	spell_effect (object spob, int x, int y, maptile map, object *originator)
166	{	87	{
167
168	if (spob->other_arch != NULL)	88	if (spob->other_arch)
169	{	89	map->insert (arch_to_object (spob->other_arch), x, y, originator);
170	object *effect = arch_to_object (spob->other_arch);
171
172	effect->x = x;
173	effect->y = y;
174
175	insert_ob_in_map (effect, map, originator, 0);
176	}
177	}	90	}
178		91
179	/*	92	/*
180	* This function takes a caster and spell and presents the	93	* This function takes a caster and spell and presents the
181	* effective level the caster needs to be to cast the spell.	94	* effective level the caster needs to be to cast the spell.
182	* basically, it just adjusts the spell->level with attuned/repelled	95	* basically, it just adjusts the spell->level with attuned/repelled
183	* spellpaths. Was called path_level_mod	96	* spellpaths. Was called path_level_mod.
184	*	97	*
185	* caster is person casting hte spell.	98	* caster is person casting the spell.
186	* spell is the spell object.	99	* spell is the spell object.
187	* Returns modified level.	100	* Returns modified level.
188	*/	101	*/
189	int	102	int
190	min_casting_level (object caster, object spell)	103	min_casting_level (object caster, object spell)
191	{	104	{
192	int new_level;
193
194	if (caster->path_denied & spell->path_attuned)	105	if (caster->path_denied & spell->path_attuned)
195	{
196	/* This case is not a bug, just the fact that this function is
197	* usually called BEFORE checking for path_deny. -AV
198	*/
199	#if 0
200	LOG (llevError, "BUG: path_level_mod (arch %s, name %s): casting denied " "spell\n", caster->arch->name, caster->name);
201	#endif
202	return 1;	106	return 1;
203	}	107
204	new_level = spell->level	108	int new_level = spell->level
205	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);	109	+ (caster->path_repelled & spell->path_attuned ? +8 : 0)
206	return (new_level < 1) ? 1 : new_level;	110	+ (caster->path_attuned & spell->path_attuned ? -8 : 0);
207	}
208		111
		112	return max (1, new_level);
		113	}
209		114
210	/* This function returns the effective level the spell	115	/* This function returns the effective level the spell
211	* is being cast at.	116	* is being cast at.
212	* Note that I changed the repelled/attuned bonus to 2 from 5.	117	* Note that I changed the repelled/attuned bonus to 2 from 5.
213	* This is because the new code compares casting_level against	118	* This is because the new code compares casting_level against
214	* min_caster_level, so the difference is effectively 4	119	* min_caster_level, so the difference is effectively 4
215	*/	120	*/
216
217	int	121	int
218	caster_level (object caster, object spell)	122	caster_level (object caster, object spell)
219	{	123	{
220	int level = caster->level;	124	int level = caster->level;
221		125
222	/* If this is a player, try to find the matching skill */
223	if (caster->type == PLAYER && spell->skill)
224	{
225	int i;
226
227	for (i = 0; i < NUM_SKILLS; i++)
228	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
229	{
230	level = caster->contr->last_skill_ob[i]->level;
231	break;
232	}
233	}
234
235	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	126	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
236	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	127	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
237	{	128	{
238	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	129	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
239	int sk_level = skill ? skill->level : 1;	130	int sk_level = skill ? skill->level : 1;
240		131
241	level = MIN (level, sk_level + level / 10 + 1);	132	level = min (level, sk_level + level / 10 + 1);
242	}	133	}
		134	else if (caster->type == PLAYER && spell->skill) /* If this is a player, try to find the matching skill */
		135	for (int i = 0; i < NUM_SKILLS; i++)
		136	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
		137	{
		138	level = caster->contr->last_skill_ob[i]->level;
		139	break;
		140	}
243		141
244	/* Got valid caster level. Now adjust for attunement */	142	/* Got valid caster level. Now adjust for attunement */
245	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	143	level += caster->path_repelled & spell->path_attuned ? -8 : 0;
		144	level += caster->path_attuned & spell->path_attuned ? +8 : 0;
246		145
247	/* 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
248	* errors in various places.	147	* errors in various places.
249	*/	148	*/
250	if (level < 1)
251	level = 1;
252	return level;	149	return max (level, 1);
253	}	150	}
254		151
255	/* The following function scales the spellpoint cost of	152	/* The following function scales the spellpoint cost of
256	* a spell by it's increased effectiveness. Some of the	153	* a spell by it's increased effectiveness. Some of the
257	* lower level spells become incredibly vicious at high	154	* lower level spells become incredibly vicious at high
…		…
296	else	193	else
297	{	194	{
298	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	195	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
299	if (spell->stats.sp && !sp)	196	if (spell->stats.sp && !sp)
300	sp = 1;	197	sp = 1;
		198
301	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	199	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
302	if (spell->stats.grace && !grace)	200	if (spell->stats.grace && !grace)
303	grace = 1;	201	grace = 1;
304	}	202	}
		203
305	if (flags == SPELL_HIGHEST)	204	if (flags == SPELL_HIGHEST)
306	return MAX (sp, grace);	205	return MAX (sp, grace);
307	else if (flags == SPELL_GRACE)	206	else if (flags == SPELL_GRACE)
308	return grace;	207	return grace;
309	else if (flags == SPELL_MANA)	208	else if (flags == SPELL_MANA)
…		…
313	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	212	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
314	return 0;	213	return 0;
315	}	214	}
316	}	215	}
317		216
318
319	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	217	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
320	* spob is the spell we are adjusting.	218	* spob is the spell we are adjusting.
321	*/	219	*/
322	int	220	int
323	SP_level_dam_adjust (object caster, object spob)	221	SP_level_dam_adjust (object caster, object spob)
324	{	222	{
		223	if (!spob->dam_modifier)
		224	return 0;
		225
325	int level = caster_level (caster, spob);	226	int level = caster_level (caster, spob);
326	int adj = level - min_casting_level (caster, spob);	227	return max (0, level - min_casting_level (caster, spob)) / spob->dam_modifier;
327
328	if (adj < 0)
329	adj = 0;
330	if (spob->dam_modifier)
331	adj /= spob->dam_modifier;
332	else
333	adj = 0;
334	return adj;
335	}	228	}
336		229
337	/* Adjust the strength of the spell based on level.	230	/* Adjust the strength of the spell based on level.
338	* This is basically the same as SP_level_dam_adjust above,	231	* This is basically the same as SP_level_dam_adjust above,
339	* but instead looks at the level_modifier value.	232	* but instead looks at the level_modifier value.
340	*/	233	*/
341	int	234	int
342	SP_level_duration_adjust (object caster, object spob)	235	SP_level_duration_adjust (object caster, object spob)
343	{	236	{
		237	if (!spob->duration_modifier)
		238	return 0;
		239
344	int level = caster_level (caster, spob);	240	int level = caster_level (caster, spob);
345	int adj = level - min_casting_level (caster, spob);	241	return max (0, level - min_casting_level (caster, spob)) / spob->duration_modifier;
346
347	if (adj < 0)
348	adj = 0;
349	if (spob->duration_modifier)
350	adj /= spob->duration_modifier;
351	else
352	adj = 0;
353
354	return adj;
355	}	242	}
356		243
357	/* Adjust the strength of the spell based on level.	244	/* Adjust the strength of the spell based on level.
358	* This is basically the same as SP_level_dam_adjust above,	245	* This is basically the same as SP_level_dam_adjust above,
359	* but instead looks at the level_modifier value.	246	* but instead looks at the level_modifier value.
360	*/	247	*/
361	int	248	int
362	SP_level_range_adjust (object caster, object spob)	249	SP_level_range_adjust (object caster, object spob)
363	{	250	{
		251	if (!spob->range_modifier)
		252	return 0;
		253
364	int level = caster_level (caster, spob);	254	int level = caster_level (caster, spob);
365	int adj = level - min_casting_level (caster, spob);	255	return (level - min_casting_level (caster, spob)) / spob->range_modifier;
366
367	if (adj < 0)
368	adj = 0;
369	if (spob->range_modifier)
370	adj /= spob->range_modifier;
371	else
372	adj = 0;
373
374	return adj;
375	}	256	}
376		257
377	/* Checks to see if player knows the spell. If the name is the same	258	/* Checks to see if player knows the spell. If the name is the same
378	* as an existing spell, we presume they know it.	259	* as an existing spell, we presume they know it.
379	* returns 1 if they know the spell, 0 if they don't.	260	* returns 1 if they know the spell, 0 if they don't.
…		…
451	* reflect_spell fails.)	332	* reflect_spell fails.)
452	* Caller should be sure it passes us valid map coordinates	333	* Caller should be sure it passes us valid map coordinates
453	* eg, updated for tiled maps.	334	* eg, updated for tiled maps.
454	*/	335	*/
455	int	336	int
456	reflwall (mapstruct m, int x, int y, object sp_op)	337	reflwall (maptile m, int x, int y, object sp_op)
457	{	338	{
458	object *op;	339	object *op;
459		340
460	if (OUT_OF_REAL_MAP (m, x, y))	341	if (OUT_OF_REAL_MAP (m, x, y))
461	return 0;	342	return 0;
462	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)	343	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
463	if (QUERY_FLAG (op, FLAG_REFL_SPELL) && (!QUERY_FLAG (op, FLAG_ALIVE) \|\|	344	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
464	sp_op->type == LIGHTNING \|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	345	&& (!QUERY_FLAG (op, FLAG_ALIVE)
		346	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
465	return 1;	347	return 1;
466		348
467	return 0;	349	return 0;
468	}	350	}
469		351
…		…
475	* in.	357	* in.
476	*/	358	*/
477	int	359	int
478	cast_create_obj (object op, object caster, object *new_op, int dir)	360	cast_create_obj (object op, object caster, object *new_op, int dir)
479	{	361	{
480	mapstruct *m;	362	maptile *m;
481	sint16 sx, sy;	363	sint16 sx, sy;
482		364
483	if (dir &&	365	if (dir &&
484	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) \|\|	366	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) \|\|
485	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))	367	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))
486	{	368	{
487	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	369	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
488	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	370	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
489	dir = 0;	371	dir = 0;
490	}	372	}
491	new_op->x = op->x + freearr_x[dir];	373
492	new_op->y = op->y + freearr_y[dir];	374	SET_FLAG (new_op, FLAG_IDENTIFIED);
493	if (dir == 0)	375	op->map->insert (new_op,
494	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	376	op->x + freearr_x[dir], op->y + freearr_y[dir],
495	else	377	op,
496	insert_ob_in_map (new_op, op->map, op, 0);	378	dir ? 0 : INS_BELOW_ORIGINATOR);
		379
497	return dir;	380	return dir;
498	}	381	}
499		382
500	/* Returns true if it is ok to put spell *op on the space/may provided.	383	/* Returns true if it is ok to put spell *op on the space/may provided.
501	* immune_stop is basically the attacktype of the spell (why	384	* immune_stop is basically the attacktype of the spell (why
…		…
503	* has the AT_MAGIC bit set, and there is a counterwall	386	* has the AT_MAGIC bit set, and there is a counterwall
504	* on the space, the object doesn't get placed. if immune stop	387	* on the space, the object doesn't get placed. if immune stop
505	* does not have AT_MAGIC, then counterwalls do not effect the spell.	388	* does not have AT_MAGIC, then counterwalls do not effect the spell.
506	*	389	*
507	*/	390	*/
508
509	int	391	int
510	ok_to_put_more (mapstruct m, sint16 x, sint16 y, object op, int immune_stop)	392	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
511	{	393	{
512	object *tmp;	394	if (!xy_normalise (m, x, y))
513	int mflags;
514	mapstruct *mp;
515
516	mp = m;
517	mflags = get_map_flags (m, &mp, x, y, &x, &y);
518
519	if (mflags & P_OUT_OF_MAP)
520	return 0;	395	return 0;
521		396
522	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	397	mapspace &ms = m->at (x, y);
		398
		399	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
523	return 0;	400	return 0;
524		401
525	for (tmp = get_map_ob (mp, x, y); tmp != NULL; tmp = tmp->above)	402	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
526	{	403	{
527	/* If there is a counterspell on the space, and this	404	/* If there is a counterspell on the space, and this
528	* object is using magic, don't progress. I believe we could	405	* object is using magic, don't progress. I believe we could
529	* leave this out and let in progress, and other areas of the code	406	* leave this out and let in progress, and other areas of the code
530	* will then remove it, but that would seem to to use more	407	* will then remove it, but that would seem to to use more
531	* resources, and may not work as well if a player is standing	408	* resources, and may not work as well if a player is standing
532	* on top of a counterwall spell (may hit the player before being	409	* on top of a counterwall spell (may hit the player before being
533	* removed.) On the other hand, it may be more dramatic for the	410	* removed.) On the other hand, it may be more dramatic for the
534	* spell to actually hit the counterwall and be sucked up.	411	* spell to actually hit the counterwall and be sucked up.
535	*/	412	*/
536	if ((tmp->attacktype & AT_COUNTERSPELL) &&	413	if ((tmp->attacktype & AT_COUNTERSPELL)
537	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	414	&& !QUERY_FLAG (tmp, FLAG_MONSTER)
538	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	415	&& (tmp->type != PLAYER)
		416	&& (tmp->type != WEAPON)
		417	&& (tmp->type != BOW)
		418	&& (tmp->type != ARROW)
		419	&& (tmp->type != GOLEM)
		420	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:
		421	// we special case floor here because there
		422	// are sometimes spell effect floors
		423	// which are used to inflict damage
		424	// (and those shouldn't go away from
		425	// sanctuary) see also: permanent lava
		426	&& (immune_stop & AT_MAGIC))
539	return 0;	427	return 0;
540		428
541	/* This is to prevent 'out of control' spells. Basically, this	429	/* This is to prevent 'out of control' spells. Basically, this
542	* limits one spell effect per space per spell. This is definately	430	* limits one spell effect per space per spell. This is definately
543	* needed for performance reasons, and just for playability I believe.	431	* needed for performance reasons, and just for playability I believe.
…		…
553	* playability reasons.	441	* playability reasons.
554	*/	442	*/
555	if (tmp->arch == op->arch	443	if (tmp->arch == op->arch
556	&& tmp->type == op->type	444	&& tmp->type == op->type
557	&& tmp->subtype == op->subtype	445	&& tmp->subtype == op->subtype
		446	&& tmp->owner == op->owner
558	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))	447	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
559	{	448	{
560	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	449	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);
561	tmp->range = MAX (tmp->range, op->range);	450	tmp->range = MAX (tmp->range, op->range);
562	tmp->duration = MAX (tmp->duration, op->duration);	451	tmp->duration = MAX (tmp->duration, op->duration);
563	return 0;	452	return 0;
…		…
565		454
566	/* Perhaps we should also put checks in for no magic and unholy	455	/* Perhaps we should also put checks in for no magic and unholy
567	* ground to prevent it from moving along?	456	* ground to prevent it from moving along?
568	*/	457	*/
569	}	458	}
		459
570	/* If it passes the above tests, it must be OK */	460	/* If it passes the above tests, it must be OK */
571	return 1;	461	return 1;
572	}	462	}
573		463
574	/* fire_arch_from_position: fires an archetype.	464	/* fire_arch_from_position: fires an archetype.
…		…
579	* dir: direction to fire in.	469	* dir: direction to fire in.
580	* spell: spell that is being fired. It uses other_arch for the archetype	470	* spell: spell that is being fired. It uses other_arch for the archetype
581	* to fire.	471	* to fire.
582	* returns 0 on failure, 1 on success.	472	* returns 0 on failure, 1 on success.
583	*/	473	*/
584
585	int	474	int
586	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	475	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
587	{	476	{
588	object *tmp;	477	object *tmp;
589	int mflags;	478	int mflags;
590	mapstruct *m;	479	maptile *m;
591		480
592	if (spell->other_arch == NULL)	481	if (spell->other_arch == NULL)
593	return 0;	482	return 0;
594		483
595	m = op->map;	484	m = op->map;
…		…
605	return 0;	494	return 0;
606		495
607	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))	496	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
608	{	497	{
609	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");	498	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
610	free_object (tmp);	499	tmp->destroy ();
611	return 0;	500	return 0;
612	}	501	}
613
614
615		502
616	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	503	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
617	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	504	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
618	/* code in time.c uses food for some things, duration for others */	505	/* code in time.c uses food for some things, duration for others */
619	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
620	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
621	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
622	tmp->x = x;	509	tmp->x = x;
623	tmp->y = y;	510	tmp->y = y;
624	tmp->direction = dir;	511	tmp->direction = dir;
625	if (get_owner (op) != NULL)	512	if (op->owner != NULL)
626	copy_owner (tmp, op);	513	tmp->set_owner (op);
627	else	514	else
628	set_owner (tmp, op);	515	tmp->set_owner (op);
629	tmp->level = caster_level (caster, spell);	516	tmp->level = caster_level (caster, spell);
630	set_spell_skill (op, caster, spell, tmp);	517	set_spell_skill (op, caster, spell, tmp);
631		518
632	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	519	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
633	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	520	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
…		…
636	return 0;	523	return 0;
637	}	524	}
638	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	525	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
639	SET_ANIMATION (tmp, dir);	526	SET_ANIMATION (tmp, dir);
640		527
641	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	528	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))
642	return 1;
643
644	move_spell_effect (tmp);	529	move_spell_effect (tmp);
645		530
646	return 1;	531	return 1;
647	}	532	}
648
649
650		533
651	/*****************************************************************************	534	/*****************************************************************************
652	*	535	*
653	* Code related to rods - perhaps better located in another file?	536	* Code related to rods - perhaps better located in another file?
654	*	537	*
655	****************************************************************************/	538	****************************************************************************/
656
657	void	539	void
658	regenerate_rod (object *rod)	540	regenerate_rod (object *rod)
659	{	541	{
660	if (rod->stats.hp < rod->stats.maxhp)	542	if (rod->stats.hp < rod->stats.maxhp)
661	{	543	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);
662	rod->stats.hp += 1 + rod->stats.maxhp / 10;
663
664	if (rod->stats.hp > rod->stats.maxhp)
665	rod->stats.hp = rod->stats.maxhp;
666	}
667	}	544	}
668
669		545
670	void	546	void
671	drain_rod_charge (object *rod)	547	drain_rod_charge (object *rod)
672	{	548	{
673	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	549	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
674	}	550	}
675
676
677
678		551
679	/* this function is commonly used to find a friendly target for	552	/* this function is commonly used to find a friendly target for
680	* spells such as heal or protection or armour	553	* spells such as heal or protection or armour
681	* op is what is looking for the target (which can be a player),	554	* op is what is looking for the target (which can be a player),
682	* dir is the direction we are looking in. Return object found, or	555	* dir is the direction we are looking in. Return object found, or
683	* NULL if no good object.	556	* NULL if no good object.
684	*/	557	*/
685
686	object *	558	object *
687	find_target_for_friendly_spell (object *op, int dir)	559	find_target_for_friendly_spell (object *op, int dir)
688	{	560	{
689	object *tmp;	561	object *tmp;
690	mapstruct *m;
691	sint16 x, y;
692	int mflags;
693		562
694	/* I don't really get this block - if op isn't a player or rune,	563	/* I don't really get this block - if op isn't a player or rune,
695	* we then make the owner of this object the target.	564	* we then make the owner of this object the target.
696	* The owner could very well be no where near op.	565	* The owner could very well be no where near op.
697	*/	566	*/
698	if (op->type != PLAYER && op->type != RUNE)	567	if (op->type != PLAYER && op->type != RUNE)
699	{	568	{
700	tmp = get_owner (op);	569	tmp = op->owner;
701	/* If the owner does not exist, or is not a monster, than apply the spell	570	/* If the owner does not exist, or is not a monster, than apply the spell
702	* to the caster.	571	* to the caster.
703	*/	572	*/
704	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	573	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))
705	tmp = op;	574	tmp = op;
706	}	575	}
707	else	576	else
708	{	577	{
709	m = op->map;	578	maptile *m = op->map;
710	x = op->x + freearr_x[dir];	579	sint16 x = op->x + freearr_x[dir];
711	y = op->y + freearr_y[dir];	580	sint16 y = op->y + freearr_y[dir];
712
713	mflags = get_map_flags (m, &m, x, y, &x, &y);
714
715	if (mflags & P_OUT_OF_MAP)
716	tmp = NULL;
717	else
718	{	581
719	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above)	582	tmp = xy_normalise (m, x, y)
720	if (tmp->type == PLAYER)	583	? m->at (x, y).player ()
721	break;	584	: 0;
722	}
723	}	585	}
		586
724	/* didn't find a player there, look in current square for a player */	587	/* didn't find a player there, look in current square for a player */
725	if (tmp == NULL)	588	if (!tmp)
726	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	589	tmp = op->ms ().player ();
727	{
728	if (tmp->type == PLAYER)
729	break;
730	}
731		590
732	return tmp;	591	return tmp;
733	}	592	}
734		593
735		594
…		…
745	* any, otherwise -1.	604	* any, otherwise -1.
746	* note that exclude can be NULL, in which case all bets are off.	605	* note that exclude can be NULL, in which case all bets are off.
747	*/	606	*/
748		607
749	int	608	int
750	spell_find_dir (mapstruct m, int x, int y, object exclude)	609	spell_find_dir (maptile m, int x, int y, object exclude)
751	{	610	{
752	int i, max = SIZEOFFREE;	611	int i, max = SIZEOFFREE;
753	sint16 nx, ny;	612	sint16 nx, ny;
754	int owner_type = 0, mflags;	613	int owner_type = 0, mflags;
755	object *tmp;	614	object *tmp;
756	mapstruct *mp;	615	maptile *mp;
757		616
758	if (exclude && exclude->head)	617	if (exclude && exclude->head)
759	exclude = exclude->head;	618	exclude = exclude->head;
760	if (exclude && exclude->type)	619	if (exclude && exclude->type)
761	owner_type = exclude->type;	620	owner_type = exclude->type;
…		…
767	mp = m;	626	mp = m;
768	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	627	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
769	if (mflags & (P_OUT_OF_MAP \| P_BLOCKSVIEW))	628	if (mflags & (P_OUT_OF_MAP \| P_BLOCKSVIEW))
770	continue;	629	continue;
771		630
772	tmp = get_map_ob (mp, nx, ny);	631	tmp = GET_MAP_OB (mp, nx, ny);
773		632
774	while (tmp != NULL && (((owner_type == PLAYER &&	633	while (tmp != NULL && (((owner_type == PLAYER &&
775	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) \|\|	634	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) \|\|
776	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))	635	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))
777	tmp = tmp->above;	636	tmp = tmp->above;
…		…
780	return freedir[i];	639	return freedir[i];
781	}	640	}
782	return -1; /* flag for "keep going the way you were" */	641	return -1; /* flag for "keep going the way you were" */
783	}	642	}
784		643
785
786
787	/* put_a_monster: puts a monster named monstername near by	644	/* put_a_monster: puts a monster named monstername near by
788	* op. This creates the treasures for the monsters, and	645	* op. This creates the treasures for the monsters, and
789	* also deals with multipart monsters properly.	646	* also deals with multipart monsters properly.
790	*/	647	*/
791
792	void	648	void
793	put_a_monster (object op, const char monstername)	649	put_a_monster (object op, const char monstername)
794	{	650	{
795	object tmp, head = NULL, *prev = NULL;	651	object tmp, head = NULL, *prev = NULL;
796	archetype *at;	652	archetype *at;
797	int dir;	653	int dir;
798		654
799	/* Handle cases where we are passed a bogus mosntername */	655	/* Handle cases where we are passed a bogus mosntername */
800		656
801	if ((at = find_archetype (monstername)) == NULL)	657	if ((at = archetype::find (monstername)) == NULL)
802	return;	658	return;
803		659
804	/* find a free square nearby	660	/* find a free square nearby
805	* first we check the closest square for free squares	661	* first we check the closest square for free squares
806	*/	662	*/
807		663
808	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	664	dir = find_first_free_spot (at, op->map, op->x, op->y);
809	if (dir != -1)	665	if (dir != -1)
810	{	666	{
811	/* This is basically grabbed for generate monster. Fixed 971225 to	667	/* This is basically grabbed for generate monster. Fixed 971225 to
812	* insert multipart monsters properly	668	* insert multipart monsters properly
813	*/	669	*/
		670	//TODO: use expand_tail + ...
814	while (at != NULL)	671	while (at != NULL)
815	{	672	{
816	tmp = arch_to_object (at);	673	tmp = arch_to_object (at);
817	tmp->x = op->x + freearr_x[dir] + at->clone.x;	674	tmp->x = op->x + freearr_x[dir] + at->x;
818	tmp->y = op->y + freearr_y[dir] + at->clone.y;	675	tmp->y = op->y + freearr_y[dir] + at->y;
819	tmp->map = op->map;	676	tmp->map = op->map;
820	if (head)	677	if (head)
821	{	678	{
822	tmp->head = head;	679	tmp->head = head;
823	prev->more = tmp;	680	prev->more = tmp;
824	}	681	}
		682
825	if (!head)	683	if (!head)
826	head = tmp;	684	head = tmp;
		685
827	prev = tmp;	686	prev = tmp;
		687
828	at = at->more;	688	at = (archetype *)at->more;
829	}	689	}
830		690
831	if (head->randomitems)	691	if (head->randomitems)
832	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	692	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
833		693
834	insert_ob_in_map (head, op->map, op, 0);	694	insert_ob_in_map (head, op->map, op, 0);
835		695
836	/* thought it'd be cool to insert a burnout, too. */	696	/* thought it'd be cool to insert a burnout, too. */
837	tmp = get_archetype ("burnout");	697	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
838	tmp->map = op->map;
839	tmp->x = op->x + freearr_x[dir];
840	tmp->y = op->y + freearr_y[dir];
841	insert_ob_in_map (tmp, op->map, op, 0);
842	}	698	}
843	}	699	}
844		700
845	/* peterm: function which summons hostile monsters and	701	/* peterm: function which summons hostile monsters and
846	* places them in nearby squares.	702	* places them in nearby squares.
…		…
873	{	729	{
874	int attacktype;	730	int attacktype;
875	int face;	731	int face;
876	} ATTACKS[22] =	732	} ATTACKS[22] =
877	{	733	{
878	{
879	AT_PHYSICAL, 0},	734	{ AT_PHYSICAL, 0},
880	{
881	AT_PHYSICAL, 0}, /face = explosion /	735	{ AT_PHYSICAL, 0}, /face = explosion /
882	{
883	AT_PHYSICAL, 0},	736	{ AT_PHYSICAL, 0},
884	{
885	AT_MAGIC, 1},	737	{ AT_MAGIC, 1},
886	{
887	AT_MAGIC, 1}, /* face = last-burnout */	738	{ AT_MAGIC, 1}, /* face = last-burnout */
888	{
889	AT_MAGIC, 1},	739	{ AT_MAGIC, 1},
890	{
891	AT_FIRE, 2},	740	{ AT_FIRE, 2},
892	{
893	AT_FIRE, 2}, /* face = fire.... */	741	{ AT_FIRE, 2}, /* face = fire.... */
894	{
895	AT_FIRE, 2},	742	{ AT_FIRE, 2},
896	{
897	AT_ELECTRICITY, 3},	743	{ AT_ELECTRICITY, 3},
898	{
899	AT_ELECTRICITY, 3}, /* ball_lightning */	744	{ AT_ELECTRICITY, 3}, /* ball_lightning */
900	{
901	AT_ELECTRICITY, 3},	745	{ AT_ELECTRICITY, 3},
902	{
903	AT_COLD, 4},	746	{ AT_COLD, 4},
904	{
905	AT_COLD, 4}, /* face=icestorm */	747	{ AT_COLD, 4}, /* face=icestorm */
906	{
907	AT_COLD, 4},	748	{ AT_COLD, 4},
908	{
909	AT_CONFUSION, 5},	749	{ AT_CONFUSION, 5},
910	{
911	AT_POISON, 7},	750	{ AT_POISON, 7},
912	{
913	AT_POISON, 7}, /* face = acid sphere. generator */	751	{ AT_POISON, 7}, /* face = acid sphere. generator */
914	{
915	AT_POISON, 7}, /* poisoncloud face */	752	{ AT_POISON, 7}, /* poisoncloud face */
916	{
917	AT_SLOW, 8},	753	{ AT_SLOW, 8},
918	{
919	AT_PARALYZE, 9},	754	{ AT_PARALYZE, 9},
920	{
921	AT_FEAR, 10}};	755	{ AT_FEAR, 10},
922		756	};
923
924		757
925	/* shuffle_attack: peterm	758	/* shuffle_attack: peterm
926	* This routine shuffles the attack of op to one of the	759	* This routine shuffles the attack of op to one of the
927	* ones in the list. It does this at random. It also	760	* ones in the list. It does this at random. It also
928	* chooses a face appropriate to the attack that is	761	* chooses a face appropriate to the attack that is
…		…
973	if (failure <= -20 && failure > -40) /* wonder */	806	if (failure <= -20 && failure > -40) /* wonder */
974	{	807	{
975	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	808	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);
976	tmp = get_archetype (SPELL_WONDER);	809	tmp = get_archetype (SPELL_WONDER);
977	cast_cone (op, op, 0, tmp);	810	cast_cone (op, op, 0, tmp);
978	free_object (tmp);	811	tmp->destroy ();
979	}	812	}
980		813
981	else if (failure <= -40 && failure > -60) /* confusion */	814	else if (failure <= -40 && failure > -60) /* confusion */
982	{	815	{
983	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	816	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");
…		…
1017	if (failure <= -20 && failure > -40) /* wonder */	850	if (failure <= -20 && failure > -40) /* wonder */
1018	{	851	{
1019	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	852	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");
1020	tmp = get_archetype (SPELL_WONDER);	853	tmp = get_archetype (SPELL_WONDER);
1021	cast_cone (op, op, 0, tmp);	854	cast_cone (op, op, 0, tmp);
1022	free_object (tmp);	855	tmp->destroy ();
1023	}	856	}
1024		857
1025	else if (failure <= -40 && failure > -60) /* confusion */	858	else if (failure <= -40 && failure > -60) /* confusion */
1026	{	859	{
1027	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	860	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");
…		…
1046	else	879	else
1047	{	880	{
1048	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	881	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");
1049	tmp = get_archetype (LOOSE_MANA);	882	tmp = get_archetype (LOOSE_MANA);
1050	tmp->level = skill->level;	883	tmp->level = skill->level;
1051	tmp->x = op->x;
1052	tmp->y = op->y;
1053		884
1054	/* increase the area of destruction a little for more powerful spells */	885	/* increase the area of destruction a little for more powerful spells */
1055	tmp->range += isqrt (power);	886	tmp->range += isqrt (power);
1056		887
1057	if (power > 25)	888	if (power > 25)
1058	tmp->stats.dam = 25 + isqrt (power);	889	tmp->stats.dam = 25 + isqrt (power);
1059	else	890	else
1060	tmp->stats.dam = power; /* nasty recoils! */	891	tmp->stats.dam = power; /* nasty recoils! */
1061		892
1062	tmp->stats.maxhp = tmp->count;	893	tmp->stats.maxhp = tmp->count;
1063	insert_ob_in_map (tmp, op->map, NULL, 0);	894
		895	tmp->insert_at (op);
1064	}	896	}
1065	}	897	}
1066	}	898	}
1067		899
1068	int	900	int
1069	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	901	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1070	{	902	{
1071	int success;	903	int success;
1072	player *pl;
1073	object *spell;	904	object *spell;
1074		905
1075	if (!spell_ob->other_arch)	906	if (!spell_ob->other_arch)
1076	{	907	{
1077	LOG (llevError, "cast_party_spell: empty other arch\n");	908	LOG (llevError, "cast_party_spell: empty other arch\n");
1078	return 0;	909	return 0;
1079	}	910	}
		911
1080	spell = arch_to_object (spell_ob->other_arch);	912	spell = arch_to_object (spell_ob->other_arch);
1081		913
1082	/* Always cast spell on caster */	914	/* Always cast spell on caster */
1083	success = cast_spell (op, caster, dir, spell, stringarg);	915	success = cast_spell (op, caster, dir, spell, stringarg);
1084		916
1085	if (caster->contr->party == NULL)	917	if (caster->contr->party == NULL)
1086	{	918	{
1087	remove_ob (spell);	919	spell->remove ();
1088	return success;	920	return success;
1089	}	921	}
1090	for (pl = first_player; pl != NULL; pl = pl->next)	922
		923	for_all_players (pl)
1091	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	924	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1092	{
1093	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	925	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1094	}	926
1095	remove_ob (spell);	927	spell->remove ();
1096	return success;	928	return success;
1097	}	929	}
1098		930
1099	/* This is where the main dispatch when someone casts a spell.	931	/* This is where the main dispatch when someone casts a spell.
1100	*	932	*
…		…
1121	*	953	*
1122	* if it is a player casting the spell (op->type == PLAYER, op == caster),	954	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1123	* this function will decrease the mana/grace appropriately. For other	955	* this function will decrease the mana/grace appropriately. For other
1124	* objects, the caller should do what it considers appropriate.	956	* objects, the caller should do what it considers appropriate.
1125	*/	957	*/
1126
1127	int	958	int
1128	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	959	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)
1129	{	960	{
1130
1131	const char *godname;	961	const char *godname;
1132	int success = 0, mflags, cast_level = 0, old_shoottype;	962	int success = 0, cast_level = 0;
1133	object *skill = NULL;	963	object *skill = NULL;
1134
1135	old_shoottype = op->contr ? op->contr->shoottype : 0;
1136		964
1137	if (!spell_ob)	965	if (!spell_ob)
1138	{	966	{
1139	LOG (llevError, "cast_spell: null spell object passed\n");	967	LOG (llevError, "cast_spell: null spell object passed\n");
1140	return 0;	968	return 0;
1141	}	969	}
		970
1142	if (!strcmp ((godname = determine_god (op)), "none"))	971	if (!strcmp ((godname = determine_god (op)), "none"))
1143	godname = "A random spirit";	972	godname = "A random spirit";
1144		973
1145	/* the caller should set caster to op if appropriate */	974	/* the caller should set caster to op if appropriate */
1146	if (!caster)	975	if (!caster)
…		…
1150	}	979	}
1151		980
1152	/* if caster is a spell casting object, this normally shouldn't be	981	/* if caster is a spell casting object, this normally shouldn't be
1153	* an issue, because they don't have any spellpaths set up.	982	* an issue, because they don't have any spellpaths set up.
1154	*/	983	*/
1155	if (caster->path_denied & spell_ob->path_attuned)	984	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))
1156	{	985	{
1157	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	986	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");
1158	return 0;	987	return 0;
1159	}	988	}
1160		989
…		…
1168	* at least process that code.	997	* at least process that code.
1169	*/	998	*/
1170	if (op->type == PLAYER && op == caster)	999	if (op->type == PLAYER && op == caster)
1171	{	1000	{
1172	cast_level = caster_level (caster, spell_ob);	1001	cast_level = caster_level (caster, spell_ob);
		1002
1173	if (spell_ob->skill)	1003	if (spell_ob->skill)
1174	{	1004	{
1175	skill = find_skill_by_name (op, spell_ob->skill);	1005	skill = find_skill_by_name (op, spell_ob->skill);
		1006
1176	if (!skill)	1007	if (!skill)
1177	{	1008	{
1178	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	1009	op->failmsg (format ("You need the skill %s to cast %s!", &spell_ob->skill, &spell_ob->name));
1179	return 0;	1010	return 0;
1180	}	1011	}
		1012
1181	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1013	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))
1182	{	1014	{
1183	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1015	op->failmsg ("You lack enough skill to cast that spell!");
1184	return 0;	1016	return 0;
1185	}	1017	}
1186	}	1018	}
		1019
1187	/* If the caster is the wiz, they don't ever fail, and don't have	1020	/* If the caster is the wiz, they don't ever fail, and don't have
1188	* to have sufficient grace/mana.	1021	* to have sufficient grace/mana.
1189	*/	1022	*/
1190	if (!QUERY_FLAG (op, FLAG_WIZ))	1023	if (!QUERY_FLAG (op, FLAG_WIZ))
1191	{	1024	{
1192	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1025	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1193	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1026	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1194	{	1027	{
1195	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1028	op->failmsg ("You don't have enough mana!");
1196	return 0;	1029	return 0;
1197	}	1030	}
		1031
1198	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1032	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1199	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1033	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1200	{	1034	{
1201	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1035	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1202	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1036	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1203	{
1204	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1037	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1205	}
1206	else	1038	else
1207	{	1039	{
1208	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1040	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1209	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1041	op->failmsg (format ("%s ignores your prayer.", godname));
1210	return 0;	1042	return 0;
1211	}	1043	}
1212	}	1044	}
1213		1045
1214	/* player/monster is trying to cast the spell. might fumble it */	1046	/* player/monster is trying to cast the spell. might fumble it */
1215	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1047	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1216	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1048	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1217	{	1049	{
1218	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1050	op->contr->play_sound (sound_find ("fumble_spell"));
1219	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1051	op->failmsg ("You fumble the prayer.");
1220	if (settings.casting_time == TRUE)	1052
1221	{
1222	op->casting_time = -1;
1223	}
1224	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1053	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1225	return 0;	1054	return 0;
1226	}	1055	}
1227	else if (spell_ob->stats.sp)	1056	else if (spell_ob->stats.sp)
1228	{	1057	{
1229	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1058	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1230		1059
1231	if (failure < 0)	1060	if (failure < 0)
1232	{	1061	{
1233	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1062	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1234	if (settings.spell_failure_effects == TRUE)	1063	if (settings.spell_failure_effects == TRUE)
1235	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1064	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1236	op->contr->shoottype = (rangetype) old_shoottype;	1065
1237	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1066	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1238	return 0;	1067	return 0;
1239	}	1068	}
1240	}	1069	}
1241	}	1070	}
1242	}	1071	}
1243		1072
1244	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1073	int mflags = op->ms ().flags ();
1245		1074
1246	/* See if we can cast a spell here. If the caster and op are	1075	/* See if we can cast a spell here. If the caster and op are
1247	* not alive, then this would mean that the mapmaker put the	1076	* not alive, then this would mean that the mapmaker put the
1248	* objects on the space - presume that they know what they are	1077	* objects on the space - presume that they know what they are
1249	* doing.	1078	* doing.
1250	*/	1079	*/
1251		1080
1252	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1081	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1253	{	1082	{
1254	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1083	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1255	return 0;	1084	return 0;
1256	}	1085	}
1257		1086
1258	if ((spell_ob->type == SPELL)	1087	if ((spell_ob->type == SPELL)
1259	&& (caster->type != POTION)	1088	&& (caster->type != POTION)
…		…
1264	{	1093	{
1265	if (op->type != PLAYER)	1094	if (op->type != PLAYER)
1266	return 0;	1095	return 0;
1267		1096
1268	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1097	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1269	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1098	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1270	else	1099	else if (object *item = op->contr->ranged_ob)
1271	switch (op->contr->shoottype)
1272	{	1100	{
1273	case range_magic:	1101	if (item->type == SPELL)
1274	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1102	op->failmsg ("Something blocks your spellcasting.");
1275	break;	1103	else if (item->type == SCROLL)
1276	case range_misc:	1104	op->failmsg ("Something blocks the magic of your scroll.");
1277	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1278	break;
1279	case range_golem:
1280	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1281	break;
1282	default:
1283	break;
1284	}
1285	return 0;
1286	}
1287
1288	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1289	{
1290	if (op->casting_time == -1)
1291	{ /* begin the casting */
1292	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1293	op->spell = spell_ob;
1294	/* put the stringarg into the object struct so that when the
1295	* spell is actually cast, it knows about the stringarg.
1296	* necessary for the invoke command spells.
1297	*/
1298	if (stringarg)
1299	{
1300	op->spellarg = strdup_local (stringarg);
1301	}
1302	else	1105	else
1303	op->spellarg = NULL;	1106	op->failmsg ("Something blocks the magic of your item.");
1304	return 0;
1305	}
1306	else if (op->casting_time != 0)
1307	{
1308	if (op->type == PLAYER)
1309	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1310	return 0;
1311	}	1107	}
1312	else	1108	else
1313	{ /* casting_time == 0 */	1109	op->failmsg ("Something blocks the spell!");
1314	op->casting_time = -1;	1110
1315	spell_ob = op->spell;	1111	return 0;
1316	stringarg = op->spellarg;
1317	}
1318	}
1319	else
1320	{	1112	}
		1113
1321	/* Take into account how long it takes to cast the spell.	1114	/* Take into account how long it takes to cast the spell.
1322	* if the player is casting it, then we use the time in	1115	* if the player is casting it, then we use the time in
1323	* the spell object. If it is a spell object, have it	1116	* the spell object. If it is a spell object, have it
1324	* take two ticks. Things that cast spells on the players	1117	* take two ticks. Things that cast spells on the players
1325	* behalf (eg, altars, and whatever else) shouldn't cost	1118	* behalf (eg, altars, and whatever else) shouldn't cost
1326	* the player any time.	1119	* the player any time.
1327	* Ignore casting time for firewalls	1120	* Ignore casting time for firewalls
		1121	*/
		1122	if (caster == op && caster->type != FIREWALL)
		1123	{
		1124	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
		1125	/* Other portions of the code may also decrement the speed of the player, so
		1126	* put a lower limit so that the player isn't stuck here too long
1328	*/	1127	*/
1329	if (caster == op && caster->type != FIREWALL)
1330	{
1331	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1332	/* Other portions of the code may also decrement the speed of the player, so
1333	* put a lower limit so that the player isn't stuck here too long
1334	*/
1335	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1128	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1336	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1129	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1337	}	1130	}
1338	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1131	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1339	{
1340	op->speed_left -= 2 * FABS (op->speed);	1132	op->speed_left -= 2 * FABS (op->speed);
1341	}
1342	}
1343		1133
1344	if (op->type == PLAYER && op == caster)	1134	if (op->type == PLAYER && op == caster)
1345	{	1135	{
1346	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1136	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1347	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1137	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1354	if (op != caster && !skill && caster->skill)	1144	if (op != caster && !skill && caster->skill)
1355	{	1145	{
1356	skill = find_skill_by_name (op, caster->skill);	1146	skill = find_skill_by_name (op, caster->skill);
1357	if (!skill)	1147	if (!skill)
1358	{	1148	{
1359	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1149	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1360	return 0;	1150	return 0;
1361	}	1151	}
		1152
1362	change_skill (op, skill, 0); /* needed for proper exp credit */	1153	op->change_skill (skill); /* needed for proper exp credit */
1363	}	1154	}
		1155
		1156	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
		1157	return RESULT_INT (0);
1364		1158
1365	switch (spell_ob->subtype)	1159	switch (spell_ob->subtype)
1366	{	1160	{
1367	/* The order of case statements is same as the order they show up	1161	/* The order of case statements is same as the order they show up
1368	* in in spells.h.	1162	* in in spells.h.
1369	*/	1163	*/
1370	case SP_RAISE_DEAD:	1164	case SP_RAISE_DEAD:
1371	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1165	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);
1372	break;	1166	break;
1373		1167
1374	case SP_RUNE:	1168	case SP_RUNE:
…		…
1407	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1201	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);
1408	break;	1202	break;
1409		1203
1410	case SP_SUMMON_GOLEM:	1204	case SP_SUMMON_GOLEM:
1411	success = summon_golem (op, caster, dir, spell_ob);	1205	success = summon_golem (op, caster, dir, spell_ob);
1412	old_shoottype = range_golem;
1413	break;	1206	break;
1414		1207
1415	case SP_DIMENSION_DOOR:	1208	case SP_DIMENSION_DOOR:
1416	/* dimension door needs the actual caster, because that is what is	1209	/* dimension door needs the actual caster, because that is what is
1417	* moved.	1210	* moved.
…		…
1490	#ifdef NO_POLYMORPH	1283	#ifdef NO_POLYMORPH
1491	/* Not great, but at least provide feedback so if players do have	1284	/* Not great, but at least provide feedback so if players do have
1492	* polymorph (ie, find it as a preset item or left over from before	1285	* polymorph (ie, find it as a preset item or left over from before
1493	* it was disabled), they get some feedback.	1286	* it was disabled), they get some feedback.
1494	*/	1287	*/
1495	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1288	op->failmsg ("The spell fizzles!");
1496	success = 0;	1289	success = 0;
1497	#else	1290	#else
1498	success = cast_polymorph (op, caster, spell_ob, dir);	1291	success = cast_polymorph (op, caster, spell_ob, dir);
1499	#endif	1292	#endif
1500	break;	1293	break;
…		…
1520	break;	1313	break;
1521		1314
1522	case SP_MOVING_BALL:	1315	case SP_MOVING_BALL:
1523	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1316	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1524	{	1317	{
1525	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1318	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1526	success = 0;	1319	success = 0;
1527	}	1320	}
1528	else	1321	else
1529	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1322	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);
1530	break;	1323	break;
…		…
1550	success = cast_consecrate (op, caster, spell_ob);	1343	success = cast_consecrate (op, caster, spell_ob);
1551	break;	1344	break;
1552		1345
1553	case SP_ANIMATE_WEAPON:	1346	case SP_ANIMATE_WEAPON:
1554	success = animate_weapon (op, caster, spell_ob, dir);	1347	success = animate_weapon (op, caster, spell_ob, dir);
1555	old_shoottype = range_golem;
1556	break;	1348	break;
1557		1349
1558	case SP_LIGHT:	1350	case SP_LIGHT:
1559	success = cast_light (op, caster, spell_ob, dir);	1351	success = cast_light (op, caster, spell_ob, dir);
1560	break;	1352	break;
…		…
1573		1365
1574	case SP_AURA:	1366	case SP_AURA:
1575	success = create_aura (op, caster, spell_ob);	1367	success = create_aura (op, caster, spell_ob);
1576	break;	1368	break;
1577		1369
1578	case SP_TOWN_PORTAL:
1579	success = cast_create_town_portal (op, caster, spell_ob, dir);
1580	break;
1581
1582	case SP_PARTY_SPELL:	1370	case SP_PARTY_SPELL:
1583	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1371	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);
1584	break;	1372	break;
1585		1373
1586	default:	1374	default:
1587	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1588	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1375	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1589	}
1590
1591	/* FIXME - we need some better sound suppport */
1592	// yes, for example, augment map info with the spell effect
1593	// so clients can calculate the sounds themselves
1594	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1595
1596	/* free the spell arg */
1597	if (settings.casting_time == TRUE && stringarg)
1598	{	1376	}
1599	free (stringarg);	1377
1600	stringarg = NULL;	1378	op->play_sound (
1601	}	1379	success
1602	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1380	? spell_ob->sound
1603	* to something like use_magic_item, but you really want to be able to fire	1381	? spell_ob->sound
1604	* it again.	1382	: sound_find ("spell_success")
1605	*/	1383	: sound_find ("fumble_spell")
1606	if (op->contr)	1384	);
1607	op->contr->shoottype = (rangetype) old_shoottype;
1608		1385
1609	return success;	1386	return success;
1610	}	1387	}
1611		1388
1612
1613	/* This is called from time.c/process_object(). That function	1389	/* This is called from time.c/process_object(). That function
1614	* calls this for any SPELL_EFFECT type objects. This function	1390	* calls this for any SPELL_EFFECT type objects. This function
1615	* then dispatches them to the appropriate specific routines.	1391	* then dispatches them to the appropriate specific routines.
1616	*/	1392	*/
1617	void	1393	void
1618	move_spell_effect (object *op)	1394	move_spell_effect (object *op)
1619	{	1395	{
…		…
1695	break;	1471	break;
1696		1472
1697	case SP_MAGIC_MISSILE:	1473	case SP_MAGIC_MISSILE:
1698	if (QUERY_FLAG (victim, FLAG_ALIVE))	1474	if (QUERY_FLAG (victim, FLAG_ALIVE))
1699	{	1475	{
1700	tag_t spell_tag = spell->count;
1701
1702	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1476	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1703	if (!was_destroyed (spell, spell_tag))	1477
1704	{	1478	if (!spell->destroyed ())
1705	remove_ob (spell);	1479	spell->destroy ();
1706	free_object (spell);
1707	}
1708	}	1480	}
1709	break;	1481	break;
1710		1482
1711	case SP_MOVING_BALL:	1483	case SP_MOVING_BALL:
1712	if (QUERY_FLAG (victim, FLAG_ALIVE))	1484	if (QUERY_FLAG (victim, FLAG_ALIVE))
1713	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1485	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1714	else if (victim->material \|\| victim->materialname)	1486	else if (victim->materialname)
1715	save_throw_object (victim, spell->attacktype, spell);	1487	save_throw_object (victim, spell->attacktype, spell);
1716	break;	1488	break;
1717	}	1489	}
1718	}	1490	}
		1491

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.12 by root, Mon Sep 11 20:26:41 2006 UTC vs. Revision 1.67 by root, Sun Apr 20 00:44:13 2008 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.12 by root, Mon Sep 11 20:26:41 2006 UTC vs.
Revision 1.67 by root, Sun Apr 20 00:44:13 2008 UTC