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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.16 by root, Thu Sep 14 23:13:49 2006 UTC vs.
Revision 1.125 by root, Mon Nov 12 03:48:34 2012 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23
24		24
25	#include <global.h>	25	#include <global.h>
26	#include <spells.h>	26	#include <spells.h>
27	#include <object.h>	27	#include <object.h>
28	#include <errno.h>	28	#include <errno.h>
29	#ifndef __CEXTRACT__
30	# include <sproto.h>	29	#include <sproto.h>
31	#endif
32	#include <sounds.h>	30	#include <sounds.h>
33		31
34	extern char *spell_mapping[];	32	extern char *spell_mapping[];
35		33
36	/* This returns a random spell from 'ob'. If skill is set, then	34	/* This returns a random spell from 'ob'. If skill is set, then
37	* the spell must be of this skill, it can be NULL in which case all	35	* the spell must be of this skill, it can be NULL in which case all
38	* matching spells are used.	36	* matching spells are used.
39	*/	37	*/
40	object *	38	object *
41	find_random_spell_in_ob (object ob, const char skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
42	{	40	{
43	int k = 0, s;	41	int k = 0, s;
44	object *tmp;
45		42
46	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
47	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
48	k++;	45	k++;
49		46
50	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
51	if (!k)	48	if (!k)
52	return NULL;	49	return NULL;
53		50
54	s = RANDOM () % k;	51	s = rndm (k);
55		52
56	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
57	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
58	{
59	if (!s)	55	if (!s)
60	return tmp;	56	return tmp;
61	else	57	else
62	s--;	58	s--;
63	}	59
64	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
65	return NULL;	61	return 0;
66	}	62	}
67		63
68	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
69	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
70	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
80	dest->skill = spob->skill;	76	dest->skill = spob->skill;
81	else	77	else
82	dest->skill = caster->skill;	78	dest->skill = caster->skill;
83	}	79	}
84		80
85	/* init_spells: This should really be called check_spells, as that
86	* is what it does. It goes through the spells looking for any
87	* obvious errors. This was most useful in debugging when re-doing
88	* all the spells to catch simple errors. To use it all the time
89	* will result in it spitting out messages that aren't really errors.
90	*/
91	void
92	init_spells (void)
93	{
94	#ifdef SPELL_DEBUG
95	static int init_spells_done = 0;
96	int i;
97	archetype *at;
98
99	if (init_spells_done)
100	return;
101	LOG (llevDebug, "Checking spells...\n");
102
103	for (at = first_archetype; at; at = at->next)
104	{
105	if (at->clone.type == SPELL)
106	{
107	if (at->clone.skill)
108	{
109	for (i = 1; i < NUM_SKILLS; i++)
110	if (!strcmp (skill_names[i], at->clone.skill))
111	break;
112	if (i == NUM_SKILLS)
113	{
114	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
115	}
116	}
117	/* other_arch is already checked for in the loader */
118	}
119	}
120
121	i = 0;
122	while (spell_mapping[i])
123	{
124	if (!archetype::find (spell_mapping[i]))
125	{
126	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
127	}
128	i++;
129	}
130	LOG (llevDebug, "Checking spells completed.\n");
131	#endif
132	}
133
134	/* Dumps all the spells - now also dumps skill associated with the spell.
135	* not sure what this would be used for, as the data seems pretty
136	* minimal, but easy enough to keep around.
137	*/
138	void
139	dump_spells (void)
140	{
141	archetype *at;
142
143	for (at = first_archetype; at; at = at->next)
144	{
145	if (at->clone.type == SPELL)
146	{
147	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
148	&at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
149	}
150	}
151	}
152
153	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
154	* an object, sets the x,y, and calls insert_ob_in_map	82	* an object, sets the x,y, and calls insert_ob_in_map
155	*/	83	*/
156
157	void	84	void
158	spell_effect (object spob, int x, int y, mapstruct map, object *originator)	85	spell_effect (object spob, int x, int y, maptile map, object *originator)
159	{	86	{
160
161	if (spob->other_arch != NULL)	87	if (spob->other_arch)
162	{	88	map->insert (spob->other_arch->instance (), x, y, originator);
163	object *effect = arch_to_object (spob->other_arch);
164
165	effect->x = x;
166	effect->y = y;
167
168	insert_ob_in_map (effect, map, originator, 0);
169	}
170	}	89	}
171		90
172	/*	91	static int
173	* This function takes a caster and spell and presents the	92	attuned_bonus (object caster, object spell, int level)
174	* effective level the caster needs to be to cast the spell.
175	* basically, it just adjusts the spell->level with attuned/repelled
176	* spellpaths. Was called path_level_mod
177	*
178	* caster is person casting hte spell.
179	* spell is the spell object.
180	* Returns modified level.
181	*/
182	int
183	min_casting_level (object caster, object spell)
184	{	93	{
185	int new_level;	94	// compute the attuned/repelled bonus
186		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
187	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
188	{	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
189	/* This case is not a bug, just the fact that this function is	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
190	* usually called BEFORE checking for path_deny. -AV
191	*/
192	#if 0
193	LOG (llevError, "BUG: path_level_mod (arch %s, name %s): casting denied " "spell\n", caster->arch->name, caster->name);
194	#endif
195	return 1;
196	}
197	new_level = spell->level
198	+ ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
199	return (new_level < 1) ? 1 : new_level;
200	}	99	}
201
202		100
203	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
204	* is being cast at.	102	* is being cast at.
205	* Note that I changed the repelled/attuned bonus to 2 from 5.
206	* This is because the new code compares casting_level against
207	* min_caster_level, so the difference is effectively 4
208	*/	103	*/
209
210	int	104	int
211	caster_level (object caster, object spell)	105	casting_level (object caster, object spell)
212	{	106	{
213	int level = caster->level;	107	int level = caster->level;
214
215	/* If this is a player, try to find the matching skill */
216	if (caster->type == PLAYER && spell->skill)
217	{
218	int i;
219
220	for (i = 0; i < NUM_SKILLS; i++)
221	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
222	{
223	level = caster->contr->last_skill_ob[i]->level;
224	break;
225	}
226	}
227		108
228	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */	109	/* if a rod is fired by a player, take the use_magic_item skill in consideration. */
229	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
230	{	111	{
231	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);	112	object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
232	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
233		114
234	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
235	}	116	}
		117	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
		118	if (object *skill = caster->contr->find_skill (spell->skill))
		119	level = skill->level;
236		120
237	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
238	level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0);	122
		123	level += bonus;
		124
		125	// now scale the effective level from the startinglevel..100 range to 1..100
		126	if (level < 100)
		127	level = lerp (level, (int)spell->level, 100, 1, 100);
239		128
240	/* Always make this at least 1. If this is zero, we get divide by zero	129	/* Always make this at least 1. If this is zero, we get divide by zero
241	* errors in various places.	130	* errors in various places.
242	*/	131	*/
243	if (level < 1)	132	return clamp (level, 1, settings.max_level);
244	level = 1;
245	return level;
246	}	133	}
247		134
248	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
249	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
250	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
254	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
255	* spell is the spell object.	142	* spell is the spell object.
256	* Note that it is now possible for a spell to cost both grace and	143	* Note that it is now possible for a spell to cost both grace and
257	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
258	*/	145	*/
259
260	sint16	146	sint16
261	SP_level_spellpoint_cost (object caster, object spell, int flags)	147	SP_level_spellpoint_cost (object caster, object spell, int flags)
262	{	148	{
263	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
264		150
265	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
266	{	152	{
267	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
268	{
269	sp = (int) (spell->stats.sp * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxsp)));	154	sp = spell->stats.sp * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxsp));
270	}
271	else	155	else
272	sp = spell->stats.sp;	156	sp = spell->stats.sp;
273		157
274	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
275	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
276	sp = 1;	160	sp = 1;
277		161
278	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
279	{
280	grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace)));	163	grace = spell->stats.grace * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxgrace));
281	}
282	else	164	else
283	grace = spell->stats.grace;	165	grace = spell->stats.grace;
284		166
285	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
286	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
287	grace = 1;	169	grace = 1;
288	}	170	}
289	else	171	else
290	{	172	{
291	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
292	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
293	sp = 1;	175	sp = 1;
		176
294	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
295	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
296	grace = 1;	179	grace = 1;
297	}	180	}
		181
298	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
299	return MAX (sp, grace);	183	return max (sp, grace);
300	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
301	return grace;	185	return grace;
302	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
303	return sp;	187	return sp;
304	else	188	else
…		…
306	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);	190	LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
307	return 0;	191	return 0;
308	}	192	}
309	}	193	}
310		194
		195	/*
		196	* Return the effective casting level of the spell.
		197	* To make spells independent of their starting level, this function
		198	* scales the range spellstartlevel .. 100 into the range 1..100
		199	*/
		200	static int
		201	SP_casting_level (object caster, object spell)
		202	{
		203	return casting_level (caster, spell);
		204	}
311		205
312	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
313	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
314	*/	208	*/
315	int	209	int
316	SP_level_dam_adjust (object caster, object spob)	210	SP_level_dam_adjust (object caster, object spob)
317	{	211	{
318	int level = caster_level (caster, spob);
319	int adj = level - min_casting_level (caster, spob);
320
321	if (adj < 0)
322	adj = 0;
323	if (spob->dam_modifier)	212	if (!spob->dam_modifier)
324	adj /= spob->dam_modifier;
325	else
326	adj = 0;
327	return adj;	213	return 0;
		214
		215	return SP_casting_level (caster, spob) / spob->dam_modifier;
328	}	216	}
329		217
330	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
331	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
332	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
333	*/	221	*/
334	int	222	int
335	SP_level_duration_adjust (object caster, object spob)	223	SP_level_duration_adjust (object caster, object spob)
336	{	224	{
337	int level = caster_level (caster, spob);
338	int adj = level - min_casting_level (caster, spob);
339
340	if (adj < 0)
341	adj = 0;
342	if (spob->duration_modifier)	225	if (!spob->duration_modifier)
343	adj /= spob->duration_modifier;
344	else
345	adj = 0;
346
347	return adj;	226	return 0;
		227
		228	return SP_casting_level (caster, spob) / spob->duration_modifier;
348	}	229	}
349		230
350	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
351	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
352	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
353	*/	234	*/
354	int	235	int
355	SP_level_range_adjust (object caster, object spob)	236	SP_level_range_adjust (object caster, object spob)
356	{	237	{
357	int level = caster_level (caster, spob);
358	int adj = level - min_casting_level (caster, spob);
359
360	if (adj < 0)
361	adj = 0;
362	if (spob->range_modifier)	238	if (!spob->range_modifier)
363	adj /= spob->range_modifier;
364	else
365	adj = 0;
366
367	return adj;	239	return 0;
		240
		241	return SP_casting_level (caster, spob) / spob->range_modifier;
368	}	242	}
369		243
370	/* Checks to see if player knows the spell. If the name is the same	244	/* Checks to see if player knows the spell. If the name is the same
371	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
372	* returns 1 if they know the spell, 0 if they don't.	246	* returns 1 if they know the spell, 0 if they don't.
373	*/	247	*/
374	object *	248	object *
375	check_spell_known (object op, const char name)	249	check_spell_known (object *op, shstr_cmp name)
376	{	250	{
377	object *spop;	251	object *spop;
378		252
379	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
380	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
381	return spop;	255	return spop;
382		256
383	return NULL;	257	return 0;
384	}	258	}
385
386		259
387	/*	260	/*
388	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
389	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
390	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
391	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
392	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
393	* exact match, we also return NULL.	266	* exact match, we also return NULL.
394	*/	267	*/
395
396	object *	268	object *
397	lookup_spell_by_name (object op, const char spname)	269	lookup_spell_by_name (object op, const char spname)
398	{	270	{
399	object spob1 = NULL, spob2 = NULL, *spob;	271	object spob1 = 0, spob2 = 0;
400	int nummatch = 0;	272	int nummatch = 0;
401		273
402	if (spname == NULL)	274	if (!spname)
403	return NULL;	275	return 0;
404		276
405	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
406	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
407	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
408	*/	280	*/
409	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
410	{	282	{
411	if (spob->type == SPELL)	283	if (spob->type == SPELL)
412	{	284	{
		285	// TODO: WTF?
413	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
414	{	287	{
415	nummatch++;	288	nummatch++;
416	spob1 = spob;	289	spob1 = spob;
417	}	290	}
…		…
422	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
423	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
424	*/	297	*/
425	if (spob2)	298	if (spob2)
426	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);	299	LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
		300
427	spob2 = spob;	301	spob2 = spob;
428	}	302	}
429	}	303	}
430	}	304	}
431	/* if we have best match, return it. Otherwise, if we have one match	305	/* if we have best match, return it. Otherwise, if we have one match
432	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
433	*/	307	*/
434	if (spob2)	308	if (spob2)
435	return spob2;	309	return spob2;
		310
436	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
437	return spob1;	312	return spob1;
		313
438	return NULL;	314	return NULL;
439	}	315	}
440		316
441	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
442	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
444	* reflect_spell fails.)	320	* reflect_spell fails.)
445	* Caller should be sure it passes us valid map coordinates	321	* Caller should be sure it passes us valid map coordinates
446	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
447	*/	323	*/
448	int	324	int
449	reflwall (mapstruct m, int x, int y, object sp_op)	325	reflwall (maptile m, int x, int y, object sp_op)
450	{	326	{
451	object *op;
452
453	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
454	return 0;	328	return 0;
455	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)	329
456	if (QUERY_FLAG (op, FLAG_REFL_SPELL) && (!QUERY_FLAG (op, FLAG_ALIVE) \|\|	330	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
457	sp_op->type == LIGHTNING \|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	331	if (op->flag [FLAG_REFL_SPELL]
		332	&& (!op->flag [FLAG_ALIVE]
		333	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
458	return 1;	334	return 1;
459		335
460	return 0;	336	return 0;
461	}	337	}
462		338
463	/* cast_create_object: creates object new_op in direction dir	339	/* cast_create_object: creates object new_op in direction dir
464	* or if that is blocked, beneath the player (op).	340	* or if that is blocked, beneath the player (op).
465	* we pass 'caster', but don't use it for anything.	341	* we pass 'caster', but don't use it for anything.
466	* This is really just a simple wrapper function .	342	* This is really just a simple wrapper function .
467	* returns the direction that the object was actually placed	343	* returns true to indicate whether the operation was successful.
468	* in.	344	* destroys the object is unsuccessful.
469	*/	345	*/
470	int	346	bool
471	cast_create_obj (object op, object caster, object *new_op, int dir)	347	cast_create_obj (object op, object caster, object *new_op, int dir)
472	{	348	{
473	mapstruct *m;	349	mapxy pos (op);
474	sint16 sx, sy;	350	pos.move (dir);
475		351
476	if (dir &&	352	if (!pos.normalise ()
477	((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) \|\|	353	\|\| pos->blocks (op) // perversely enough, we check if the palyer can reach that space
478	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))	354	\|\| !new_op->can_drop_at (pos.m, pos.x, pos.y)
479	{	355	)
480	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
481	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
482	dir = 0;
483	}	356	{
484	new_op->x = op->x + freearr_x[dir];	357	op->failmsg ("Your spell fizzles! H<Something is in the way.>");
485	new_op->y = op->y + freearr_y[dir];	358	new_op->destroy ();
486	if (dir == 0)	359	return 0;
487	insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR);	360	}
488	else	361
489	insert_ob_in_map (new_op, op->map, op, 0);	362	new_op->set_flag (FLAG_IDENTIFIED);
		363
		364	pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR);
		365
490	return dir;	366	return 1;
		367	}
		368
		369	static bool
		370	mergable_owner (object o1, object o2)
		371	{
		372	if (o1 == o2)
		373	return 1;
		374
		375	if (!o1 \|\| !o2)
		376	return 0;
		377
		378	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		379	return 0;
		380
		381	if (o1->is_player () \|\| o2->is_player ())
		382	return 0;
		383
		384	return 1;
491	}	385	}
492		386
493	/* Returns true if it is ok to put spell *op on the space/may provided.	387	/* Returns true if it is ok to put spell *op on the space/may provided.
494	* immune_stop is basically the attacktype of the spell (why	388	* immune_stop is basically the attacktype of the spell (why
495	* passed as a different value, not sure of). If immune_stop	389	* passed as a different value, not sure of). If immune_stop
496	* has the AT_MAGIC bit set, and there is a counterwall	390	* has the AT_MAGIC bit set, and there is a counterwall
497	* on the space, the object doesn't get placed. if immune stop	391	* on the space, the object doesn't get placed. if immune stop
498	* does not have AT_MAGIC, then counterwalls do not effect the spell.	392	* does not have AT_MAGIC, then counterwalls do not effect the spell.
499	*	393	*/
500	*/
501
502	int	394	int
503	ok_to_put_more (mapstruct m, sint16 x, sint16 y, object op, int immune_stop)	395	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
504	{	396	{
505	object *tmp;	397	if (!xy_normalise (m, x, y))
506	int mflags;
507	mapstruct *mp;
508
509	mp = m;
510	mflags = get_map_flags (m, &mp, x, y, &x, &y);
511
512	if (mflags & P_OUT_OF_MAP)
513	return 0;	398	return 0;
514		399
515	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))	400	mapspace &ms = m->at (x, y);
		401	ms.update ();
		402
		403	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
516	return 0;	404	return 0;
517		405
518	for (tmp = get_map_ob (mp, x, y); tmp != NULL; tmp = tmp->above)	406	int max_effects = 5; // max. number of similar spells per mapspace
		407
		408	for (object *tmp = ms.top; tmp; tmp = tmp->below)
519	{	409	{
520	/* If there is a counterspell on the space, and this	410	/* If there is a counterspell on the space, and this
521	* object is using magic, don't progress. I believe we could	411	* object is using magic, don't progress. I believe we could
522	* leave this out and let in progress, and other areas of the code	412	* leave this out and let in progress, and other areas of the code
523	* will then remove it, but that would seem to to use more	413	* will then remove it, but that would seem to to use more
524	* resources, and may not work as well if a player is standing	414	* resources, and may not work as well if a player is standing
525	* on top of a counterwall spell (may hit the player before being	415	* on top of a counterwall spell (may hit the player before being
526	* removed.) On the other hand, it may be more dramatic for the	416	* removed.) On the other hand, it may be more dramatic for the
527	* spell to actually hit the counterwall and be sucked up.	417	* spell to actually hit the counterwall and be sucked up.
528	*/	418	*/
529	if ((tmp->attacktype & AT_COUNTERSPELL) &&	419	if ((tmp->attacktype & AT_COUNTERSPELL)
530	(tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) &&	420	&& !tmp->flag [FLAG_MONSTER]
531	(tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC))	421	&& (tmp->type != PLAYER)
		422	&& (tmp->type != WEAPON)
		423	&& (tmp->type != BOW)
		424	&& (tmp->type != ARROW)
		425	&& (tmp->type != GOLEM)
		426	&& !tmp->flag [FLAG_IS_FLOOR] // XXX:
		427	// we special case floor here because there
		428	// are sometimes spell effect floors
		429	// which are used to inflict damage
		430	// (and those shouldn't go away from
		431	// sanctuary) see also: permanent lava
		432	&& (immune_stop & AT_MAGIC))
532	return 0;	433	return 0;
533		434
534	/* This is to prevent 'out of control' spells. Basically, this
535	* limits one spell effect per space per spell. This is definately
536	* needed for performance reasons, and just for playability I believe.
537	* there are no such things as multispaced spells right now, so
538	* we don't need to worry about the head.
539	*/
540	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
541	return 0;
542
543	/*
544	* Combine similar spell effects into one spell effect. Needed for
545	* performance reasons with meteor swarm and the like, but also for
546	* playability reasons.
547	*/
548	if (tmp->arch == op->arch
549	&& tmp->type == op->type	435	if (tmp->type == op->type)
550	&& tmp->subtype == op->subtype
551	&& tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
552	{	436	{
553	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	437	if (tmp->subtype == op->subtype
554	tmp->range = MAX (tmp->range, op->range);	438	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
555	tmp->duration = MAX (tmp->duration, op->duration);	439	{
		440	/* This is to prevent 'out of control' spells. Basically, this
		441	* limits one spell effect per space per spell. This is definately
		442	* needed for performance reasons, and just for playability I believe.
		443	* there are no such things as multispaced spells right now, so
		444	* we don't need to worry about the head.
		445	*/
		446	if (tmp->stats.maxhp == op->stats.maxhp)
		447	return 0;
		448
		449	/*
		450	* Combine similar spell effects into one spell effect. Needed for
		451	* performance reasons with meteor swarm and the like, but also for
		452	* playability reasons.
		453	*/
		454	if (((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		455	if (mergable_owner (tmp, op))
		456	{
		457	// if same owner, then combine, but reduce advantage of multiple spells
		458	max_it (tmp->stats.dam, op->stats.dam);
		459	max_it (tmp->range , op->range);
		460	max_it (tmp->duration , op->duration);
		461	return 0;
		462	}
		463	}
		464
		465	// if there are too many spell effects on this space,
		466	// then don't allow more of them, for performance reasons.
		467	if (tmp->type == SPELL_EFFECT
		468	&& !--max_effects)
556	return 0;	469	return 0;
557	}	470	}
558		471
559	/* Perhaps we should also put checks in for no magic and unholy	472	/* Perhaps we should also put checks in for no magic and unholy
560	* ground to prevent it from moving along?	473	* ground to prevent it from moving along?
561	*/	474	*/
562	}	475	}
		476
563	/* If it passes the above tests, it must be OK */	477	/* If it passes the above tests, it must be OK */
564	return 1;	478	return 1;
565	}	479	}
566		480
567	/* fire_arch_from_position: fires an archetype.	481	/* fire_arch_from_position: fires an archetype.
…		…
572	* dir: direction to fire in.	486	* dir: direction to fire in.
573	* spell: spell that is being fired. It uses other_arch for the archetype	487	* spell: spell that is being fired. It uses other_arch for the archetype
574	* to fire.	488	* to fire.
575	* returns 0 on failure, 1 on success.	489	* returns 0 on failure, 1 on success.
576	*/	490	*/
577
578	int	491	int
579	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	492	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
580	{	493	{
581	object *tmp;
582	int mflags;
583	mapstruct *m;
584
585	if (spell->other_arch == NULL)	494	if (!spell->other_arch)
586	return 0;	495	return 0;
587		496
588	m = op->map;	497	object *tmp = spell->other_arch->instance ();
589	mflags = get_map_flags (m, &m, x, y, &x, &y);
590	if (mflags & P_OUT_OF_MAP)
591	{
592	return 0;
593	}
594		498
595	tmp = arch_to_object (spell->other_arch);	499	if (!tmp)
596
597	if (tmp == NULL)
598	return 0;	500	return 0;
599
600	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
601	{
602	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
603	free_object (tmp);
604	return 0;
605	}
606
607
608		501
609	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	502	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
610	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	503	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
611	/* code in time.c uses food for some things, duration for others */	504	/* code in time.c uses food for some things, duration for others */
612	tmp->stats.food = tmp->duration;	505	tmp->stats.food = tmp->duration;
613	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	506	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
614	tmp->attacktype = spell->attacktype;	507	tmp->attacktype = spell->attacktype;
615	tmp->x = x;
616	tmp->y = y;
617	tmp->direction = dir;	508	tmp->direction = dir;
618	if (get_owner (op) != NULL)	509	tmp->set_owner (op);
619	copy_owner (tmp, op);
620	else
621	set_owner (tmp, op);
622	tmp->level = caster_level (caster, spell);	510	tmp->level = casting_level (caster, spell);
623	set_spell_skill (op, caster, spell, tmp);	511	set_spell_skill (op, caster, spell, tmp);
624		512
625	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	513	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
626	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	514	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
627	{
628	if (!tailor_god_spell (tmp, op))	515	if (!tailor_god_spell (tmp, op))
629	return 0;	516	return 0;
630	}	517
631	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	518	if (tmp->flag [FLAG_IS_TURNABLE])
632	SET_ANIMATION (tmp, dir);	519	SET_ANIMATION (tmp, dir);
633		520
634	if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL)	521	if ((tmp = op->map->insert (tmp, x, y, op)))
635	return 1;
636
637	move_spell_effect (tmp);	522	move_spell_effect (tmp);
638		523
639	return 1;	524	return 1;
640	}	525	}
641
642
643		526
644	/*****************************************************************************	527	/*****************************************************************************
645	*	528	*
646	* Code related to rods - perhaps better located in another file?	529	* Code related to rods - perhaps better located in another file?
647	*	530	*
648	****************************************************************************/	531	****************************************************************************/
649
650	void	532	void
651	regenerate_rod (object *rod)	533	regenerate_rod (object *rod)
652	{	534	{
653	if (rod->stats.hp < rod->stats.maxhp)	535	if (rod->stats.hp < rod->stats.maxhp)
654	{	536	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
655	rod->stats.hp += 1 + rod->stats.maxhp / 10;
656
657	if (rod->stats.hp > rod->stats.maxhp)
658	rod->stats.hp = rod->stats.maxhp;
659	}
660	}	537	}
661
662		538
663	void	539	void
664	drain_rod_charge (object *rod)	540	drain_rod_charge (object *rod)
665	{	541	{
666	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);	542	rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
667	}	543	}
668
669
670
671		544
672	/* this function is commonly used to find a friendly target for	545	/* this function is commonly used to find a friendly target for
673	* spells such as heal or protection or armour	546	* spells such as heal or protection or armour
674	* op is what is looking for the target (which can be a player),	547	* op is what is looking for the target (which can be a player),
675	* dir is the direction we are looking in. Return object found, or	548	* dir is the direction we are looking in. Return object found, or
676	* NULL if no good object.	549	* NULL if no good object.
677	*/	550	*/
678
679	object *	551	object *
680	find_target_for_friendly_spell (object *op, int dir)	552	find_target_for_friendly_spell (object *op, int dir)
681	{	553	{
682	object *tmp;	554	object *tmp;
683	mapstruct *m;
684	sint16 x, y;
685	int mflags;
686		555
687	/* I don't really get this block - if op isn't a player or rune,	556	/* I don't really get this block - if op isn't a player or rune,
688	* we then make the owner of this object the target.	557	* we then make the owner of this object the target.
689	* The owner could very well be no where near op.	558	* The owner could very well be no where near op.
690	*/	559	*/
691	if (op->type != PLAYER && op->type != RUNE)	560	if (op->type != PLAYER && op->type != RUNE)
692	{	561	{
693	tmp = get_owner (op);	562	tmp = op->owner;
694	/* If the owner does not exist, or is not a monster, than apply the spell	563	/* If the owner does not exist, or is not a monster, than apply the spell
695	* to the caster.	564	* to the caster.
696	*/	565	*/
697	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	566	if (!tmp \|\| !tmp->flag [FLAG_MONSTER])
698	tmp = op;	567	tmp = op;
699	}	568	}
700	else	569	else
701	{	570	{
702	m = op->map;	571	maptile *m = op->map;
703	x = op->x + freearr_x[dir];	572	sint16 x = op->x + freearr_x[dir];
704	y = op->y + freearr_y[dir];	573	sint16 y = op->y + freearr_y[dir];
705
706	mflags = get_map_flags (m, &m, x, y, &x, &y);
707
708	if (mflags & P_OUT_OF_MAP)
709	tmp = NULL;
710	else
711	{	574
712	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above)	575	tmp = xy_normalise (m, x, y)
713	if (tmp->type == PLAYER)	576	? m->at (x, y).player ()
714	break;	577	: 0;
715	}
716	}	578	}
		579
717	/* didn't find a player there, look in current square for a player */	580	/* didn't find a player there, look in current square for a player */
718	if (tmp == NULL)	581	if (!tmp)
719	for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	582	tmp = op->ms ().player ();
720	{
721	if (tmp->type == PLAYER)
722	break;
723	}
724		583
725	return tmp;	584	return tmp;
726	}	585	}
727
728
729		586
730	/* raytrace:	587	/* raytrace:
731	* spell_find_dir(map, x, y, exclude) will search first the center square	588	* spell_find_dir(map, x, y, exclude) will search first the center square
732	* then some close squares in the given map at the given coordinates for	589	* then some close squares in the given map at the given coordinates for
733	* live objects.	590	* live objects.
…		…
736	* monsters/generators only. If not, the spell will hunt players only.	593	* monsters/generators only. If not, the spell will hunt players only.
737	* It returns the direction toward the first/closest live object if it finds	594	* It returns the direction toward the first/closest live object if it finds
738	* any, otherwise -1.	595	* any, otherwise -1.
739	* note that exclude can be NULL, in which case all bets are off.	596	* note that exclude can be NULL, in which case all bets are off.
740	*/	597	*/
741
742	int	598	int
743	spell_find_dir (mapstruct m, int x, int y, object exclude)	599	spell_find_dir (maptile m, int x, int y, object exclude)
744	{	600	{
745	int i, max = SIZEOFFREE;	601	int i, max = SIZEOFFREE;
746	sint16 nx, ny;	602	sint16 nx, ny;
747	int owner_type = 0, mflags;	603	int owner_type = 0, mflags;
748	object *tmp;	604	object *tmp;
749	mapstruct *mp;	605	maptile *mp;
750		606
751	if (exclude && exclude->head)	607	if (exclude && exclude->head)
752	exclude = exclude->head;	608	exclude = exclude->head;
753	if (exclude && exclude->type)	609	if (exclude && exclude->type)
754	owner_type = exclude->type;	610	owner_type = exclude->type;
…		…
760	mp = m;	616	mp = m;
761	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	617	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
762	if (mflags & (P_OUT_OF_MAP \| P_BLOCKSVIEW))	618	if (mflags & (P_OUT_OF_MAP \| P_BLOCKSVIEW))
763	continue;	619	continue;
764		620
765	tmp = get_map_ob (mp, nx, ny);	621	tmp = GET_MAP_OB (mp, nx, ny);
766		622
767	while (tmp != NULL && (((owner_type == PLAYER &&	623	while (tmp != NULL && (((owner_type == PLAYER &&
768	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) \|\|	624	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) \|\|
769	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))	625	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))
770	tmp = tmp->above;	626	tmp = tmp->above;
771		627
772	if (tmp != NULL && can_see_monsterP (m, x, y, i))	628	if (tmp != NULL && can_see_monsterP (m, x, y, i))
773	return freedir[i];	629	return freedir[i];
774	}	630	}
775	return -1; /* flag for "keep going the way you were" */	631	return -1; /* flag for "keep going the way you were" */
776	}	632	}
777
778
779		633
780	/* put_a_monster: puts a monster named monstername near by	634	/* put_a_monster: puts a monster named monstername near by
781	* op. This creates the treasures for the monsters, and	635	* op. This creates the treasures for the monsters, and
782	* also deals with multipart monsters properly.	636	* also deals with multipart monsters properly.
783	*/	637	*/
784		638	static void
785	void
786	put_a_monster (object op, const char monstername)	639	put_a_monster (object op, const char monstername)
787	{	640	{
788	object tmp, head = NULL, *prev = NULL;	641	object tmp, head = NULL, *prev = NULL;
789	archetype *at;	642	archetype *at;
790	int dir;	643	int dir;
…		…
796		649
797	/* find a free square nearby	650	/* find a free square nearby
798	* first we check the closest square for free squares	651	* first we check the closest square for free squares
799	*/	652	*/
800		653
801	dir = find_first_free_spot (&at->clone, op->map, op->x, op->y);	654	dir = find_first_free_spot (at, op->map, op->x, op->y);
802	if (dir != -1)	655	if (dir != -1)
803	{	656	{
804	/* This is basically grabbed for generate monster. Fixed 971225 to	657	/* This is basically grabbed for generate monster. Fixed 971225 to
805	* insert multipart monsters properly	658	* insert multipart monsters properly
806	*/	659	*/
		660	//TODO: use expand_tail + ...
807	while (at != NULL)	661	while (at != NULL)
808	{	662	{
809	tmp = arch_to_object (at);	663	tmp = at->instance ();
810	tmp->x = op->x + freearr_x[dir] + at->clone.x;	664	tmp->x = op->x + freearr_x[dir] + at->x;
811	tmp->y = op->y + freearr_y[dir] + at->clone.y;	665	tmp->y = op->y + freearr_y[dir] + at->y;
812	tmp->map = op->map;	666	tmp->map = op->map;
813	if (head)	667	if (head)
814	{	668	{
815	tmp->head = head;	669	tmp->head = head;
816	prev->more = tmp;	670	prev->more = tmp;
817	}	671	}
		672
818	if (!head)	673	if (!head)
819	head = tmp;	674	head = tmp;
		675
820	prev = tmp;	676	prev = tmp;
		677
821	at = at->more;	678	at = (archetype *)at->more;
822	}	679	}
823		680
824	if (head->randomitems)	681	if (head->randomitems)
825	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	682	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
826		683
827	insert_ob_in_map (head, op->map, op, 0);	684	insert_ob_in_map (head, op->map, op, 0);
828		685
829	/* thought it'd be cool to insert a burnout, too. */	686	/* thought it'd be cool to insert a burnout, too. */
830	tmp = get_archetype ("burnout");	687	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
831	tmp->map = op->map;
832	tmp->x = op->x + freearr_x[dir];
833	tmp->y = op->y + freearr_y[dir];
834	insert_ob_in_map (tmp, op->map, op, 0);
835	}	688	}
836	}	689	}
837		690
838	/* peterm: function which summons hostile monsters and	691	/* peterm: function which summons hostile monsters and
839	* places them in nearby squares.	692	* places them in nearby squares.
…		…
846	* Note that this is not used by any spells (summon evil monsters	699	* Note that this is not used by any spells (summon evil monsters
847	* use to call this, but best I can tell, that spell/ability was	700	* use to call this, but best I can tell, that spell/ability was
848	* never used. This is however used by various failures on the	701	* never used. This is however used by various failures on the
849	* players part (alchemy, reincarnation, etc)	702	* players part (alchemy, reincarnation, etc)
850	*/	703	*/
851
852	int	704	int
853	summon_hostile_monsters (object op, int n, const char monstername)	705	summon_hostile_monsters (object op, int n, const char monstername)
854	{	706	{
855	int i;	707	int i;
856		708
…		…
866	{	718	{
867	int attacktype;	719	int attacktype;
868	int face;	720	int face;
869	} ATTACKS[22] =	721	} ATTACKS[22] =
870	{	722	{
871	{
872	AT_PHYSICAL, 0},	723	{ AT_PHYSICAL, 0},
873	{
874	AT_PHYSICAL, 0}, /face = explosion /	724	{ AT_PHYSICAL, 0}, /face = explosion /
875	{
876	AT_PHYSICAL, 0},	725	{ AT_PHYSICAL, 0},
877	{
878	AT_MAGIC, 1},	726	{ AT_MAGIC, 1},
879	{
880	AT_MAGIC, 1}, /* face = last-burnout */	727	{ AT_MAGIC, 1}, /* face = last-burnout */
881	{
882	AT_MAGIC, 1},	728	{ AT_MAGIC, 1},
883	{
884	AT_FIRE, 2},	729	{ AT_FIRE, 2},
885	{
886	AT_FIRE, 2}, /* face = fire.... */	730	{ AT_FIRE, 2}, /* face = fire.... */
887	{
888	AT_FIRE, 2},	731	{ AT_FIRE, 2},
889	{
890	AT_ELECTRICITY, 3},	732	{ AT_ELECTRICITY, 3},
891	{
892	AT_ELECTRICITY, 3}, /* ball_lightning */	733	{ AT_ELECTRICITY, 3}, /* ball_lightning */
893	{
894	AT_ELECTRICITY, 3},	734	{ AT_ELECTRICITY, 3},
895	{
896	AT_COLD, 4},	735	{ AT_COLD, 4},
897	{
898	AT_COLD, 4}, /* face=icestorm */	736	{ AT_COLD, 4}, /* face=icestorm */
899	{
900	AT_COLD, 4},	737	{ AT_COLD, 4},
901	{
902	AT_CONFUSION, 5},	738	{ AT_CONFUSION, 5},
903	{
904	AT_POISON, 7},	739	{ AT_POISON, 7},
905	{
906	AT_POISON, 7}, /* face = acid sphere. generator */	740	{ AT_POISON, 7}, /* face = acid sphere. generator */
907	{
908	AT_POISON, 7}, /* poisoncloud face */	741	{ AT_POISON, 7}, /* poisoncloud face */
909	{
910	AT_SLOW, 8},	742	{ AT_SLOW, 8},
911	{
912	AT_PARALYZE, 9},	743	{ AT_PARALYZE, 9},
913	{
914	AT_FEAR, 10}};	744	{ AT_FEAR, 10},
915		745	};
916
917		746
918	/* shuffle_attack: peterm	747	/* shuffle_attack: peterm
919	* This routine shuffles the attack of op to one of the	748	* This routine shuffles the attack of op to one of the
920	* ones in the list. It does this at random. It also	749	* ones in the list. It does this at random. It also
921	* chooses a face appropriate to the attack that is	750	* chooses a face appropriate to the attack that is
…		…
944	{	773	{
945	SET_ANIMATION (op, ATTACKS[i].face);	774	SET_ANIMATION (op, ATTACKS[i].face);
946	}	775	}
947	}	776	}
948		777
949
950	/* prayer_failure: This is called when a player fails	778	/* prayer_failure: This is called when a player fails
951	* at casting a prayer.	779	* at casting a prayer.
952	* op is the player.	780	* op is the player.
953	* failure is basically how much grace they had.	781	* failure is basically how much grace they had.
954	* power is how much grace the spell would normally take to cast.	782	* power is how much grace the spell would normally take to cast.
955	*/	783	*/
956		784
957	void	785	#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
		786
		787	static void
958	prayer_failure (object *op, int failure, int power)	788	prayer_failure (object *op, int failure, int power)
959	{	789	{
960	const char *godname;	790	const char *godname;
961	object *tmp;	791	object *tmp;
962		792
963	if (!strcmp ((godname = determine_god (op)), "none"))	793	if (!strcmp ((godname = determine_god (op)), "none"))
964	godname = "Your spirit";	794	godname = "Your spirit";
965		795
966	if (failure <= -20 && failure > -40) /* wonder */	796	if (failure <= -20 && failure > -40) /* wonder */
967	{	797	{
968	new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);	798	op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname);
969	tmp = get_archetype (SPELL_WONDER);	799	tmp = archetype::get (SPELL_WONDER);
970	cast_cone (op, op, 0, tmp);	800	cast_cone (op, op, 0, tmp);
971	free_object (tmp);	801	tmp->destroy ();
972	}	802	}
973		803
974	else if (failure <= -40 && failure > -60) /* confusion */	804	else if (failure <= -40 && failure > -60) /* confusion */
975	{	805	{
976	new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");	806	op->failmsg ("Your diety touches your mind!" HINT_GRACE);
977	confuse_player (op, op, 99);	807	confuse_player (op, op, 99);
978	}	808	}
979	else if (failure <= -60 && failure > -150) /* paralysis */	809	else if (failure <= -60 && failure > -150) /* paralysis */
980	{	810	{
981	new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname);	811	op->failmsgf ("%s requires you to pray NOW. "
982	new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else.");	812	"You comply, ignoring all else." HINT_GRACE,
		813	godname);
983	paralyze_player (op, op, 99);	814	paralyze_player (op, op, 99);
984	}	815	}
985	else if (failure <= -150) /* blast the immediate area */	816	else if (failure <= -150) /* blast the immediate area */
986	{	817	{
987	tmp = get_archetype (GOD_POWER);	818	tmp = archetype::get (GOD_POWER);
988	new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname);	819	op->failmsgf ("%s smites you!" HINT_GRACE, godname);
989	cast_magic_storm (op, tmp, power);	820	cast_magic_storm (op, tmp, power);
990	}	821	}
991	}	822	}
992		823
993	/*	824	/*
994	* spell_failure() handles the various effects for differing degrees	825	* spell_failure() handles the various effects for differing degrees
995	* of failure badness.	826	* of failure badness.
996	* op is the player that failed.	827	* op is the player that failed.
997	* failure is a random value of how badly you failed.	828	* failure is a random value of how badly you failed.
998	* power is how many spellpoints you'd normally need for the spell.	829	* power is how many spellpoints you'd normally need for the spell.
999	* skill is the skill you'd need to cast the spell.	830	* skill is the skill you'd need to cast the spell.
1000	*/	831	*/
1001
1002	void	832	void
1003	spell_failure (object op, int failure, int power, object skill)	833	spell_failure (object op, int failure, int power, object skill)
1004	{	834	{
1005	object *tmp;	835	object *tmp;
1006		836
1007	if (settings.spell_failure_effects == FALSE)	837	if (settings.spell_failure_effects == FALSE)
1008	return;	838	return;
1009		839
1010	if (failure <= -20 && failure > -40) /* wonder */	840	if (failure <= -20 && failure > -40) /* wonder */
1011	{	841	{
1012	new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");	842	op->failmsg ("Your spell causes an unexpected effect.");
1013	tmp = get_archetype (SPELL_WONDER);	843	tmp = archetype::get (SPELL_WONDER);
1014	cast_cone (op, op, 0, tmp);	844	cast_cone (op, op, 0, tmp);
1015	free_object (tmp);	845	tmp->destroy ();
1016	}	846	}
1017		847
1018	else if (failure <= -40 && failure > -60) /* confusion */	848	else if (failure <= -40 && failure > -60) /* confusion */
1019	{	849	{
1020	new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");	850	op->failmsg ("Your magic recoils on you, making you confused!");
1021	confuse_player (op, op, 99);	851	confuse_player (op, op, 99);
1022	}	852	}
1023	else if (failure <= -60 && failure > -80) /* paralysis */	853	else if (failure <= -60 && failure > -80) /* paralysis */
1024	{	854	{
1025	new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!");	855	op->failmsg ("Your magic stuns you!");
1026	paralyze_player (op, op, 99);	856	paralyze_player (op, op, 99);
1027	}	857	}
1028	else if (failure <= -80) /* blast the immediate area */	858	else if (failure <= -80) /* blast the immediate area */
1029	{	859	{
1030	object *tmp;	860	object *tmp;
1031		861
1032	/* Safety check to make sure we don't get any mana storms in scorn */	862	/* Safety check to make sure we don't get any mana storms in scorn */
1033	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)	863	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)
1034	{	864	{
1035	new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!");	865	op->failmsg ("The magic warps and you are turned inside out!");
1036	hit_player (op, 9998, op, AT_INTERNAL, 1);	866	hit_player (op, 9998, op, AT_INTERNAL, 1);
1037		867
1038	}	868	}
1039	else	869	else
1040	{	870	{
1041	new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!");	871	op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!");
1042	tmp = get_archetype (LOOSE_MANA);	872	tmp = archetype::get (LOOSE_MANA);
1043	tmp->level = skill->level;	873	tmp->level = skill->level;
1044	tmp->x = op->x;
1045	tmp->y = op->y;
1046		874
1047	/* increase the area of destruction a little for more powerful spells */	875	/* increase the area of destruction a little for more powerful spells */
1048	tmp->range += isqrt (power);	876	tmp->range += isqrt (power);
1049		877
1050	if (power > 25)	878	if (power > 25)
1051	tmp->stats.dam = 25 + isqrt (power);	879	tmp->stats.dam = 25 + isqrt (power);
1052	else	880	else
1053	tmp->stats.dam = power; /* nasty recoils! */	881	tmp->stats.dam = power; /* nasty recoils! */
1054		882
1055	tmp->stats.maxhp = tmp->count;	883	tmp->stats.maxhp = tmp->count;
1056	insert_ob_in_map (tmp, op->map, NULL, 0);	884
		885	tmp->insert_at (op);
1057	}	886	}
1058	}	887	}
1059	}	888	}
1060		889
1061	int	890	static int
1062	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	891	cast_party_spell (object op, object caster, int dir, object spell_ob, char spellparam)
1063	{	892	{
1064	int success;
1065	player *pl;
1066	object *spell;
1067
1068	if (!spell_ob->other_arch)	893	if (!spell_ob->other_arch)
1069	{	894	{
1070	LOG (llevError, "cast_party_spell: empty other arch\n");	895	LOG (llevError, "cast_party_spell: empty other arch\n");
1071	return 0;	896	return 0;
1072	}	897	}
1073	spell = arch_to_object (spell_ob->other_arch);	898
		899	object *spell = spell_ob->other_arch->instance ();
1074		900
1075	/* Always cast spell on caster */	901	/* Always cast spell on caster */
1076	success = cast_spell (op, caster, dir, spell, stringarg);	902	int success = cast_spell (op, caster, dir, spell, spellparam);
1077		903
1078	if (caster->contr->party == NULL)	904	if (!op->contr \|\| !op->contr->party)
1079	{	905	{
1080	remove_ob (spell);	906	spell->remove ();
1081	return success;	907	return success;
1082	}	908	}
1083	for (pl = first_player; pl != NULL; pl = pl->next)	909
1084	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	910	for_all_players (pl)
1085	{	911	if ((pl->ob->contr->party == op->contr->party)
		912	&& on_same_map (pl->ob, op)
		913	&& pl->ob != op)
1086	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	914	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1087	}	915
1088	remove_ob (spell);	916	spell->remove ();
1089	return success;	917	return success;
1090	}	918	}
1091		919
1092	/* This is where the main dispatch when someone casts a spell.	920	/* This is where the main dispatch when someone casts a spell.
1093	*	921	*
…		…
1097	* same as op.	925	* same as op.
1098	* dir is the direction to cast in. Note in some cases, if the spell	926	* dir is the direction to cast in. Note in some cases, if the spell
1099	* is self only, dir really doesn't make a difference.	927	* is self only, dir really doesn't make a difference.
1100	* spell_ob is the spell object that is being cast. From that,	928	* spell_ob is the spell object that is being cast. From that,
1101	* we can determine what to do.	929	* we can determine what to do.
1102	* stringarg is any options that are being used. It can be NULL. Almost	930	* spellparam is any options that are being used. It can be NULL. Almost
1103	* certainly, only players will set it. It is basically used as optional	931	* certainly, only players will set it. It is basically used as optional
1104	* parameters to a spell (eg, item to create, information for marking runes,	932	* parameters to a spell (eg, item to create, information for marking runes,
1105	* etc.	933	* etc.
1106	* returns 1 on successful cast, or 0 on error. These values should really	934	* returns 1 on successful cast, or 0 on error. These values should really
1107	* be swapped, so that 0 is successful, and non zero is failure, with a code	935	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
1114	*	942	*
1115	* if it is a player casting the spell (op->type == PLAYER, op == caster),	943	* if it is a player casting the spell (op->type == PLAYER, op == caster),
1116	* this function will decrease the mana/grace appropriately. For other	944	* this function will decrease the mana/grace appropriately. For other
1117	* objects, the caller should do what it considers appropriate.	945	* objects, the caller should do what it considers appropriate.
1118	*/	946	*/
1119
1120	int	947	int
1121	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	948	cast_spell (object op, object caster, int dir, object spell_ob, char spellparam)
1122	{	949	{
1123	const char *godname;	950	const char *godname;
1124	int success = 0, mflags, cast_level = 0, old_shoottype;	951	int success = 0;
1125	object *skill = NULL;
1126		952
1127	old_shoottype = op->contr ? op->contr->shoottype : 0;	953	// make sure spells always take a while, so a) we don't flood the
		954	// user with messages and b) too many failures can be harmful (smiting).
		955	op->speed_left -= 4 * op->speed; // ~0.5s on failure
1128		956
1129	if (!spell_ob)	957	if (!spell_ob)
1130	{	958	{
1131	LOG (llevError, "cast_spell: null spell object passed\n");	959	LOG (llevError, "cast_spell: null spell object passed\n");
1132	return 0;	960	return 0;
…		…
1143	}	971	}
1144		972
1145	/* if caster is a spell casting object, this normally shouldn't be	973	/* if caster is a spell casting object, this normally shouldn't be
1146	* an issue, because they don't have any spellpaths set up.	974	* an issue, because they don't have any spellpaths set up.
1147	*/	975	*/
1148	if (caster->path_denied & spell_ob->path_attuned)	976	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1149	{	977	{
1150	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	978	op->failmsg ("That spell path is denied to you.");
1151	return 0;	979	return 0;
1152	}	980	}
		981
		982	object *skill = 0;
1153		983
1154	/* if it is a player casting the spell, and they are really casting it	984	/* if it is a player casting the spell, and they are really casting it
1155	* (vs it coming from a wand, scroll, or whatever else), do some	985	* (vs it coming from a wand, scroll, or whatever else), do some
1156	* checks. We let monsters do special things - eg, they	986	* checks. We let monsters do special things - eg, they
1157	* don't need the skill, bypass level checks, etc. The monster function	987	* don't need the SKILL, BYpass level checks, etc. The monster function
1158	* should take care of that.	988	* should take care of that.
1159	* Remove the wiz check here and move it further down - some spells	989	* Remove the wiz check here and move it further down - some spells
1160	* need to have the right skill pointer passed, so we need to	990	* need to have the right skill pointer passed, so we need to
1161	* at least process that code.	991	* at least process that code.
1162	*/	992	*/
1163	if (op->type == PLAYER && op == caster)	993	if (op->type == PLAYER && op == caster)
1164	{	994	{
1165	cast_level = caster_level (caster, spell_ob);
1166	if (spell_ob->skill)	995	if (spell_ob->skill)
1167	{	996	{
1168	skill = find_skill_by_name (op, spell_ob->skill);	997	skill = find_skill_by_name (op, spell_ob->skill);
		998
1169	if (!skill)	999	if (!skill)
1170	{	1000	{
1171	new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name);	1001	op->failmsgf ("You need the %s skill to cast %s! "
		1002	"H<You either need to learn the skill via a skill scroll "
		1003	"or you need to wear a talisman, holy symbol or another skill tool.>",
		1004	&spell_ob->skill, &spell_ob->name);
1172	return 0;	1005	return 0;
1173	}	1006	}
1174	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1007
		1008	const char *msg = "";
		1009
		1010	int caster_level = skill->level;
		1011
		1012	if (op->path_attuned & spell_ob->path_attuned)
1175	{	1013	{
1176	new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell.");	1014	caster_level += min (caster_level, ATTUNE_REPELL);
		1015	msg = " (attuned)";
		1016	}
		1017
		1018	if (op->path_repelled & spell_ob->path_attuned)
		1019	{
		1020	caster_level -= ATTUNE_REPELL; // negative is ok
		1021	msg = " (repelled)";
		1022	}
		1023
		1024	if (spell_ob->level > caster_level)
		1025	{
		1026	op->failmsgf ("You lack enough skill to cast that spell! "
		1027	"H<Your effective cast level is %d%s, but level %d is required.>",
		1028	caster_level, msg, spell_ob->level);
		1029	if (!op->is_wiz ())
1177	return 0;	1030	return 0;
1178	}	1031	}
1179	}	1032	}
		1033
1180	/* If the caster is the wiz, they don't ever fail, and don't have	1034	/* If the caster is the wiz, they don't ever fail, and don't have
1181	* to have sufficient grace/mana.	1035	* to have sufficient grace/mana.
1182	*/	1036	*/
1183	if (!QUERY_FLAG (op, FLAG_WIZ))	1037	if (!op->flag [FLAG_WIZCAST])
1184	{	1038	{
1185	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1039	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1186	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1040	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1187	{	1041	{
1188	new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana.");	1042	op->failmsg ("You don't have enough mana!");
1189	return 0;	1043	return 0;
1190	}	1044	}
		1045
1191	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&	1046	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1192	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)	1047	SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1193	{	1048	{
1194	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -	1049	if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1195	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1050	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1196	{
1197	new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname);	1051	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1198	}
1199	else	1052	else
1200	{	1053	{
1201	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1054	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1202	new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname);	1055	op->failmsgf ("%s ignores your prayer.", godname);
1203	return 0;	1056	return 0;
1204	}	1057	}
1205	}	1058	}
1206		1059
1207	/* player/monster is trying to cast the spell. might fumble it */	1060	/* player/monster is trying to cast the spell. might fumble it */
1208	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1061	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1209	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1062	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1210	{	1063	{
1211	play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0);	1064	op->contr->play_sound (sound_find ("fumble_spell"));
1212	new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell.");	1065	op->failmsg ("You fumble the prayer.");
1213	if (settings.casting_time == TRUE)	1066
1214	{
1215	op->casting_time = -1;
1216	}
1217	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1067	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1218	return 0;	1068	return 0;
1219	}	1069	}
1220	else if (spell_ob->stats.sp)	1070	else if (spell_ob->stats.sp)
1221	{	1071	{
1222	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;	1072	int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1223		1073
1224	if (failure < 0)	1074	if (failure < 0)
1225	{	1075	{
1226	new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use.");	1076	op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1227	if (settings.spell_failure_effects == TRUE)	1077	if (settings.spell_failure_effects == TRUE)
1228	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);	1078	spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1229	op->contr->shoottype = (rangetype) old_shoottype;	1079
1230	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);	1080	op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1231	return 0;	1081	return 0;
1232	}	1082	}
1233	}	1083	}
1234	}	1084	}
1235	}	1085	}
1236		1086
1237	mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL);	1087	int mflags = op->ms ().flags ();
1238		1088
1239	/* See if we can cast a spell here. If the caster and op are	1089	/* See if we can cast a spell here. If the caster and op are
1240	* not alive, then this would mean that the mapmaker put the	1090	* not alive, then this would mean that the mapmaker put the
1241	* objects on the space - presume that they know what they are	1091	* objects on the space - presume that they know what they are
1242	* doing.	1092	* doing.
1243	*/	1093	*/
1244		1094
1245	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1095	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1246	{	1096	{
		1097	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1247	new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!.");	1098	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1248	return 0;	1099	return 0;
1249	}	1100	}
1250		1101
1251	if ((spell_ob->type == SPELL)	1102	if ((spell_ob->type == SPELL)
1252	&& (caster->type != POTION)	1103	&& (caster->type != POTION)
1253	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1104	&& !op->flag [FLAG_WIZCAST]
1254	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1105	&& (caster->flag [FLAG_ALIVE]
1255	\|\| QUERY_FLAG (op, FLAG_ALIVE))	1106	\|\| op->flag [FLAG_ALIVE])
1256	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) \|\| ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1107	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) \|\| ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1257	{	1108	{
1258	if (op->type != PLAYER)	1109	if (op->type != PLAYER)
1259	return 0;	1110	return 0;
1260		1111
1261	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1112	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1262	new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname);	1113	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1263	else	1114	else if (object *item = op->contr->ranged_ob)
1264	switch (op->contr->shoottype)
1265	{	1115	{
1266	case range_magic:	1116	if (item->type == SPELL)
1267	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting.");	1117	op->failmsg ("Something blocks your spellcasting.");
1268	break;	1118	else if (item->type == SCROLL)
1269	case range_misc:	1119	op->failmsg ("Something blocks the magic of your scroll.");
1270	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1271	break;
1272	case range_golem:
1273	new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1274	break;
1275	default:
1276	break;
1277	}
1278	return 0;
1279	}
1280
1281	if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1282	{
1283	if (op->casting_time == -1)
1284	{ /* begin the casting */
1285	op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1286	op->spell = spell_ob;
1287	/* put the stringarg into the object struct so that when the
1288	* spell is actually cast, it knows about the stringarg.
1289	* necessary for the invoke command spells.
1290	*/
1291	if (stringarg)
1292	{
1293	op->spellarg = strdup_local (stringarg);
1294	}
1295	else	1120	else
1296	op->spellarg = NULL;	1121	op->failmsg ("Something blocks the magic of your item.");
1297	return 0;
1298	}
1299	else if (op->casting_time != 0)
1300	{
1301	if (op->type == PLAYER)
1302	new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1303	return 0;
1304	}	1122	}
1305	else	1123	else
1306	{ /* casting_time == 0 */	1124	op->failmsg ("Something blocks the spell!");
1307	op->casting_time = -1;	1125
1308	spell_ob = op->spell;	1126	return 0;
1309	stringarg = op->spellarg;
1310	}
1311	}
1312	else
1313	{	1127	}
		1128
		1129	// undo the flood protection from earlier
		1130	op->speed_left += 4 * op->speed; // ~0.5s on failure
		1131
1314	/* Take into account how long it takes to cast the spell.	1132	/* Take into account how long it takes to cast the spell.
1315	* if the player is casting it, then we use the time in	1133	* if the player is casting it, then we use the time in
1316	* the spell object. If it is a spell object, have it	1134	* the spell object. If it is a spell object, have it
1317	* take two ticks. Things that cast spells on the players	1135	* take two ticks. Things that cast spells on the players
1318	* behalf (eg, altars, and whatever else) shouldn't cost	1136	* behalf (eg, altars, and whatever else) shouldn't cost
1319	* the player any time.	1137	* the player any time.
1320	* Ignore casting time for firewalls	1138	* Ignore casting time for firewalls
		1139	*/
		1140	if (caster == op && caster->type != FIREWALL)
		1141	{
		1142	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
		1143	/* Other portions of the code may also decrement the speed of the player, so
		1144	* put a lower limit so that the player isn't stuck here too long
1321	*/	1145	*/
1322	if (caster == op && caster->type != FIREWALL)
1323	{
1324	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1325	/* Other portions of the code may also decrement the speed of the player, so
1326	* put a lower limit so that the player isn't stuck here too long
1327	*/
1328	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1146	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1329	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1147	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1330	}	1148	}
1331	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1149	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1332	{
1333	op->speed_left -= 2 * FABS (op->speed);	1150	op->speed_left -= 2 * op->speed;
1334	}
1335	}
1336		1151
1337	if (op->type == PLAYER && op == caster)	1152	if (op->type == PLAYER && op == caster)
1338	{	1153	{
1339	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1154	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1340	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1155	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1345	* object requires.	1160	* object requires.
1346	*/	1161	*/
1347	if (op != caster && !skill && caster->skill)	1162	if (op != caster && !skill && caster->skill)
1348	{	1163	{
1349	skill = find_skill_by_name (op, caster->skill);	1164	skill = find_skill_by_name (op, caster->skill);
		1165
1350	if (!skill)	1166	if (!skill)
1351	{	1167	{
1352	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster));	1168	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1353	return 0;	1169	return 0;
1354	}	1170	}
1355	change_skill (op, skill, 0); /* needed for proper exp credit */
1356	}	1171	}
		1172
		1173	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
		1174	return RESULT_INT (0);
		1175
		1176	// temporaroly replace chosen_skill by skill, we assume skill could be applied,
		1177	// at least temporarily, which might not be true due to slot restrictions, but hey
		1178	// invoke requires it basically.
		1179
		1180	object *chosen_skill = op->chosen_skill;
		1181	op->chosen_skill = skill;
1357		1182
1358	switch (spell_ob->subtype)	1183	switch (spell_ob->subtype)
1359	{	1184	{
1360	/* The order of case statements is same as the order they show up	1185	/* The order of case statements is same as the order they show up
1361	* in in spells.h.	1186	* in spells.h.
1362	*/	1187	*/
1363	case SP_RAISE_DEAD:	1188	case SP_RAISE_DEAD:
1364	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1189	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1365	break;	1190	break;
1366		1191
1367	case SP_RUNE:	1192	case SP_RUNE:
1368	success = write_rune (op, caster, spell_ob, dir, stringarg);	1193	success = write_rune (op, caster, spell_ob, dir, spellparam);
1369	break;	1194	break;
1370		1195
1371	case SP_MAKE_MARK:	1196	case SP_MAKE_MARK:
1372	success = write_mark (op, spell_ob, stringarg);	1197	success = write_mark (op, spell_ob, spellparam);
1373	break;	1198	break;
1374		1199
1375	case SP_BOLT:	1200	case SP_BOLT:
1376	success = fire_bolt (op, caster, dir, spell_ob, skill);	1201	success = fire_bolt (op, caster, dir, spell_ob, skill);
1377	break;	1202	break;
…		…
1395	case SP_SMITE:	1220	case SP_SMITE:
1396	success = cast_smite_spell (op, caster, dir, spell_ob);	1221	success = cast_smite_spell (op, caster, dir, spell_ob);
1397	break;	1222	break;
1398		1223
1399	case SP_MAGIC_MISSILE:	1224	case SP_MAGIC_MISSILE:
1400	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1225	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1401	break;	1226	break;
1402		1227
1403	case SP_SUMMON_GOLEM:	1228	case SP_SUMMON_GOLEM:
1404	success = summon_golem (op, caster, dir, spell_ob);	1229	success = summon_golem (op, caster, dir, spell_ob);
1405	old_shoottype = range_golem;
1406	break;	1230	break;
1407		1231
1408	case SP_DIMENSION_DOOR:	1232	case SP_DIMENSION_DOOR:
1409	/* dimension door needs the actual caster, because that is what is	1233	/* dimension door needs the actual caster, because that is what is
1410	* moved.	1234	* moved.
1411	*/	1235	*/
1412	success = dimension_door (op, caster, spell_ob, dir);	1236	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1413	break;	1237	break;
1414		1238
1415	case SP_MAGIC_MAPPING:	1239	case SP_MAGIC_MAPPING:
1416	if (op->type == PLAYER)	1240	if (op->type == PLAYER)
1417	{	1241	{
…		…
1450	case SP_HEALING:	1274	case SP_HEALING:
1451	success = cast_heal (op, caster, spell_ob, dir);	1275	success = cast_heal (op, caster, spell_ob, dir);
1452	break;	1276	break;
1453		1277
1454	case SP_CREATE_FOOD:	1278	case SP_CREATE_FOOD:
1455	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1279	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1456	break;	1280	break;
1457		1281
1458	case SP_EARTH_TO_DUST:	1282	case SP_EARTH_TO_DUST:
1459	success = cast_earth_to_dust (op, caster, spell_ob);	1283	success = cast_earth_to_dust (op, caster, spell_ob);
1460	break;	1284	break;
…		…
1470	case SP_CURSE:	1294	case SP_CURSE:
1471	success = cast_curse (op, caster, spell_ob, dir);	1295	success = cast_curse (op, caster, spell_ob, dir);
1472	break;	1296	break;
1473		1297
1474	case SP_SUMMON_MONSTER:	1298	case SP_SUMMON_MONSTER:
1475	success = summon_object (op, caster, spell_ob, dir, stringarg);	1299	success = summon_object (op, caster, spell_ob, dir, spellparam);
1476	break;	1300	break;
1477		1301
1478	case SP_CHARGING:	1302	case SP_CHARGING:
1479	success = recharge (op, caster, spell_ob);	1303	success = recharge (op, caster, spell_ob);
1480	break;	1304	break;
…		…
1483	#ifdef NO_POLYMORPH	1307	#ifdef NO_POLYMORPH
1484	/* Not great, but at least provide feedback so if players do have	1308	/* Not great, but at least provide feedback so if players do have
1485	* polymorph (ie, find it as a preset item or left over from before	1309	* polymorph (ie, find it as a preset item or left over from before
1486	* it was disabled), they get some feedback.	1310	* it was disabled), they get some feedback.
1487	*/	1311	*/
1488	new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles");	1312	op->failmsg ("The spell fizzles!");
1489	success = 0;	1313	success = 0;
1490	#else	1314	#else
1491	success = cast_polymorph (op, caster, spell_ob, dir);	1315	success = cast_polymorph (op, caster, spell_ob, dir);
1492	#endif	1316	#endif
1493	break;	1317	break;
…		…
1513	break;	1337	break;
1514		1338
1515	case SP_MOVING_BALL:	1339	case SP_MOVING_BALL:
1516	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1340	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1517	{	1341	{
1518	new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name);	1342	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1519	success = 0;	1343	success = 0;
1520	}	1344	}
1521	else	1345	else
1522	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1346	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1523	break;	1347	break;
1524		1348
1525	case SP_SWARM:	1349	case SP_SWARM:
1526	success = fire_swarm (op, caster, spell_ob, dir);	1350	success = fire_swarm (op, caster, spell_ob, dir);
1527	break;	1351	break;
…		…
1534	/* in rune.c */	1358	/* in rune.c */
1535	success = dispel_rune (op, caster, spell_ob, skill, dir);	1359	success = dispel_rune (op, caster, spell_ob, skill, dir);
1536	break;	1360	break;
1537		1361
1538	case SP_CREATE_MISSILE:	1362	case SP_CREATE_MISSILE:
1539	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1363	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1540	break;	1364	break;
1541		1365
1542	case SP_CONSECRATE:	1366	case SP_CONSECRATE:
1543	success = cast_consecrate (op, caster, spell_ob);	1367	success = cast_consecrate (op, caster, spell_ob);
1544	break;	1368	break;
1545		1369
1546	case SP_ANIMATE_WEAPON:	1370	case SP_ANIMATE_WEAPON:
1547	success = animate_weapon (op, caster, spell_ob, dir);	1371	success = animate_weapon (op, caster, spell_ob, dir);
1548	old_shoottype = range_golem;
1549	break;	1372	break;
1550		1373
1551	case SP_LIGHT:	1374	case SP_LIGHT:
1552	success = cast_light (op, caster, spell_ob, dir);	1375	success = cast_light (op, caster, spell_ob, dir);
1553	break;	1376	break;
…		…
1566		1389
1567	case SP_AURA:	1390	case SP_AURA:
1568	success = create_aura (op, caster, spell_ob);	1391	success = create_aura (op, caster, spell_ob);
1569	break;	1392	break;
1570		1393
1571	case SP_TOWN_PORTAL:
1572	success = cast_create_town_portal (op, caster, spell_ob, dir);
1573	break;
1574
1575	case SP_PARTY_SPELL:	1394	case SP_PARTY_SPELL:
1576	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1395	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1577	break;	1396	break;
1578		1397
1579	default:	1398	default:
1580	if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1581	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1399	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1582	}
1583
1584	/* FIXME - we need some better sound suppport */
1585	// yes, for example, augment map info with the spell effect
1586	// so clients can calculate the sounds themselves
1587	//play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1588
1589	/* free the spell arg */
1590	if (settings.casting_time == TRUE && stringarg)
1591	{	1400	}
1592	free (stringarg);	1401
1593	stringarg = NULL;	1402	// restore chosen_skill
1594	}	1403	op->chosen_skill = chosen_skill;
1595	/* perhaps a bit of a hack, but if using a wand, it has to change the skill	1404
1596	* to something like use_magic_item, but you really want to be able to fire	1405	op->play_sound (
1597	* it again.	1406	success
1598	*/	1407	? spell_ob->sound
1599	if (op->contr)	1408	? spell_ob->sound
1600	op->contr->shoottype = (rangetype) old_shoottype;	1409	: sound_find ("spell_success")
		1410	: sound_find ("fumble_spell")
		1411	);
1601		1412
1602	return success;	1413	return success;
1603	}	1414	}
1604		1415
1605
1606	/* This is called from time.c/process_object(). That function	1416	/* This is called from time.c/process_object(). That function
1607	* calls this for any SPELL_EFFECT type objects. This function	1417	* calls this for any SPELL_EFFECT type objects. This function
1608	* then dispatches them to the appropriate specific routines.	1418	* then dispatches them to the appropriate specific routines.
1609	*/	1419	*/
1610	void	1420	void
1611	move_spell_effect (object *op)	1421	move_spell_effect (object *op)
1612	{	1422	{
…		…
1652	move_aura (op);	1462	move_aura (op);
1653	break;	1463	break;
1654	}	1464	}
1655	}	1465	}
1656		1466
1657	/* this checks to see if something special should happen if
1658	* something runs into the object.
1659	*/
1660	void
1661	check_spell_effect (object *op)
1662	{
1663	switch (op->subtype)
1664	{
1665	case SP_BOLT:
1666	move_bolt (op);
1667	return;
1668
1669	case SP_BULLET:
1670	check_bullet (op);
1671	return;
1672	}
1673	}
1674
1675	/* This is called by move_apply. Basically, if someone	1467	/* This is called by move_apply. Basically, if someone
1676	* moves onto a spell effect and the walk_on or fly_on flags	1468	* moves onto a spell effect and the walk_on or fly_on flags
1677	* are set, this is called. This should only be called for	1469	* are set, this is called. This should only be called for
1678	* objects of the appropraite type.	1470	* objects of the appropriate type.
1679	*/	1471	*/
1680	void	1472	void
1681	apply_spell_effect (object spell, object victim)	1473	apply_spell_effect (object spell, object victim)
1682	{	1474	{
1683	switch (spell->subtype)	1475	switch (spell->subtype)
1684	{	1476	{
1685	case SP_CONE:	1477	case SP_CONE:
1686	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1478	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1687	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1479	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1688	break;	1480	break;
1689		1481
1690	case SP_MAGIC_MISSILE:	1482	case SP_MAGIC_MISSILE:
1691	if (QUERY_FLAG (victim, FLAG_ALIVE))	1483	if (victim->flag [FLAG_ALIVE])
1692	{	1484	{
1693	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1485	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1694
1695	if (!spell->destroyed ())	1486	spell->destroy ();
1696	{
1697	remove_ob (spell);
1698	free_object (spell);
1699	}
1700	}	1487	}
1701	break;	1488	break;
1702		1489
1703	case SP_MOVING_BALL:	1490	case SP_MOVING_BALL:
1704	if (QUERY_FLAG (victim, FLAG_ALIVE))	1491	if (victim->flag [FLAG_ALIVE])
1705	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1492	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1706	else if (victim->material \|\| victim->materialname)	1493	else if (victim->material != MATERIAL_NULL)
1707	save_throw_object (victim, spell->attacktype, spell);	1494	save_throw_object (victim, spell->attacktype, spell);
		1495
1708	break;	1496	break;
1709	}	1497	}
1710	}	1498	}
		1499
		1500	/**
		1501	* This function will let a fireball explode at the position of
		1502	* the victim with a specific maximum level.
		1503	*/
		1504	void
		1505	create_exploding_ball_at (object *victim, int level)
		1506	{
		1507	object *ball = archetype::get (EXPLODING_FIREBALL);
		1508	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1509	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1510	ball->insert_at (victim);
		1511	}

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.16 by root, Thu Sep 14 23:13:49 2006 UTC vs. Revision 1.125 by root, Mon Nov 12 03:48:34 2012 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.16 by root, Thu Sep 14 23:13:49 2006 UTC vs.
Revision 1.125 by root, Mon Nov 12 03:48:34 2012 UTC