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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.75 by root, Mon Jul 14 00:04:57 2008 UTC vs.
Revision 1.116 by root, Sun Apr 11 00:34:06 2010 UTC

…		…
1	/*	1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Deliantra is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	#include <global.h>	25	#include <global.h>
33	/* 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
34	* 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
35	* matching spells are used.	36	* matching spells are used.
36	*/	37	*/
37	object *	38	object *
38	find_random_spell_in_ob (object ob, const char skill)	39	find_random_spell_in_ob (object *ob, shstr_cmp skill)
39	{	40	{
40	int k = 0, s;	41	int k = 0, s;
41	object *tmp;
42		42
43	for (tmp = ob->inv; tmp; tmp = tmp->below)	43	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
44	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	44	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
45	k++;	45	k++;
46		46
47	/* No spells, no need to progess further */	47	/* No spells, no need to progess further */
48	if (!k)	48	if (!k)
49	return NULL;	49	return NULL;
50		50
51	s = RANDOM () % k;	51	s = rndm (k);
52		52
53	for (tmp = ob->inv; tmp; tmp = tmp->below)	53	for (object *tmp = ob->inv; tmp; tmp = tmp->below)
54	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))	54	if (tmp->type == SPELL && (!skill \|\| tmp->skill == skill))
55	{
56	if (!s)	55	if (!s)
57	return tmp;	56	return tmp;
58	else	57	else
59	s--;	58	s--;
60	}	59
61	/* Should never get here, but just in case */	60	/* Should never get here, but just in case */
62	return NULL;	61	return 0;
63	}	62	}
64		63
65	/* Relatively simple function that gets used a lot.	64	/* Relatively simple function that gets used a lot.
66	* Basically, it sets up the skill pointer for the spell being	65	* Basically, it sets up the skill pointer for the spell being
67	* cast. If op is really casting the spell, then the skill	66	* cast. If op is really casting the spell, then the skill
…		…
84	*/	83	*/
85	void	84	void
86	spell_effect (object spob, int x, int y, maptile map, object *originator)	85	spell_effect (object spob, int x, int y, maptile map, object *originator)
87	{	86	{
88	if (spob->other_arch)	87	if (spob->other_arch)
89	map->insert (arch_to_object (spob->other_arch), x, y, originator);	88	map->insert (spob->other_arch->instance (), x, y, originator);
90	}	89	}
91		90
92	/*	91	static int
93	* This function takes a caster and spell and presents the	92	attuned_bonus (object caster, object spell, int level)
94	* effective level the caster needs to be to cast the spell.
95	* basically, it just adjusts the spell->level with attuned/repelled
96	* spellpaths. Was called path_level_mod.
97	*
98	* caster is person casting the spell.
99	* spell is the spell object.
100	* Returns modified level.
101	*/
102	int
103	min_casting_level (object caster, object spell)
104	{	93	{
105	if (caster->path_denied & spell->path_attuned)	94	// compute the attuned/repelled bonus
106	return 1;	95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
107		96	// repell has no such quarrels
108	int new_level = spell->level	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
109	+ (caster->path_repelled & spell->path_attuned ? +8 : 0)	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
110	+ (caster->path_attuned & spell->path_attuned ? -8 : 0);
111
112	return max (1, new_level);
113	}	99	}
114		100
115	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
116	* is being cast at.	102	* is being cast at.
117	* Note that I changed the repelled/attuned bonus to 2 from 5.
118	* This is because the new code compares casting_level against
119	* min_caster_level, so the difference is effectively 4
120	*/	103	*/
121	int	104	int
122	caster_level (object caster, object spell)	105	casting_level (object caster, object spell)
123	{	106	{
124	int level = caster->level;	107	int level = caster->level;
125		108
126	/* 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. */
127	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
…		…
129	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);
130	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
131		114
132	level = min (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
133	}	116	}
134	else if (caster->type == PLAYER && spell->skill) /* If this is a player, try to find the matching skill */	117	else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */
135	for (int i = 0; i < NUM_SKILLS; i++)	118	if (object *skill = caster->contr->find_skill (spell->skill))
136	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)	119	level = skill->level;
137	{
138	level = caster->contr->last_skill_ob[i]->level;
139	break;
140	}
141		120
142	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
143	level += caster->path_repelled & spell->path_attuned ? -8 : 0;	122
144	level += caster->path_attuned & spell->path_attuned ? +8 : 0;	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);
145		128
146	/* 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
147	* errors in various places.	130	* errors in various places.
148	*/	131	*/
149	return max (level, 1);	132	return clamp (level, 1, settings.max_level);
150	}	133	}
151		134
152	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
153	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
154	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
158	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
159	* spell is the spell object.	142	* spell is the spell object.
160	* 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
161	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
162	*/	145	*/
163
164	sint16	146	sint16
165	SP_level_spellpoint_cost (object caster, object spell, int flags)	147	SP_level_spellpoint_cost (object caster, object spell, int flags)
166	{	148	{
167	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
168		150
169	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
170	{	152	{
171	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
172	{
173	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));
174	}
175	else	155	else
176	sp = spell->stats.sp;	156	sp = spell->stats.sp;
177		157
178	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
179	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
180	sp = 1;	160	sp = 1;
181		161
182	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
183	{
184	grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace)));	163	grace = spell->stats.grace * (1.0 + max (0, float (level - spell->level) / spell->stats.maxgrace));
185	}
186	else	164	else
187	grace = spell->stats.grace;	165	grace = spell->stats.grace;
188		166
189	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
190	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
191	grace = 1;	169	grace = 1;
192	}	170	}
193	else	171	else
194	{	172	{
…		…
200	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
201	grace = 1;	179	grace = 1;
202	}	180	}
203		181
204	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
205	return MAX (sp, grace);	183	return max (sp, grace);
206	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
207	return grace;	185	return grace;
208	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
209	return sp;	187	return sp;
210	else	188	else
…		…
212	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);
213	return 0;	191	return 0;
214	}	192	}
215	}	193	}
216		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	}
		205
217	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
218	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
219	*/	208	*/
220	int	209	int
221	SP_level_dam_adjust (object caster, object spob)	210	SP_level_dam_adjust (object caster, object spob)
222	{	211	{
223	if (!spob->dam_modifier)	212	if (!spob->dam_modifier)
224	return 0;	213	return 0;
225		214
226	int level = caster_level (caster, spob);
227	return max (0, level - min_casting_level (caster, spob)) / spob->dam_modifier;	215	return SP_casting_level (caster, spob) / spob->dam_modifier;
228	}	216	}
229		217
230	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
231	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
232	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
…		…
235	SP_level_duration_adjust (object caster, object spob)	223	SP_level_duration_adjust (object caster, object spob)
236	{	224	{
237	if (!spob->duration_modifier)	225	if (!spob->duration_modifier)
238	return 0;	226	return 0;
239		227
240	int level = caster_level (caster, spob);
241	return max (0, level - min_casting_level (caster, spob)) / spob->duration_modifier;	228	return SP_casting_level (caster, spob) / spob->duration_modifier;
242	}	229	}
243		230
244	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
245	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
246	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
…		…
249	SP_level_range_adjust (object caster, object spob)	236	SP_level_range_adjust (object caster, object spob)
250	{	237	{
251	if (!spob->range_modifier)	238	if (!spob->range_modifier)
252	return 0;	239	return 0;
253		240
254	int level = caster_level (caster, spob);
255	return (level - min_casting_level (caster, spob)) / spob->range_modifier;	241	return SP_casting_level (caster, spob) / spob->range_modifier;
256	}	242	}
257		243
258	/* 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
259	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
260	* 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.
261	*/	247	*/
262	object *	248	object *
263	check_spell_known (object op, const char name)	249	check_spell_known (object *op, shstr_cmp name)
264	{	250	{
265	object *spop;	251	object *spop;
266	shstr_cmp name_ (name);
267		252
268	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
269	if (spop->type == SPELL && spop->name == name)	254	if (spop->type == SPELL && spop->name == name)
270	return spop;	255	return spop;
271		256
272	return 0;	257	return 0;
273	}	258	}
274
275		259
276	/*	260	/*
277	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
278	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
279	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
280	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
281	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
282	* exact match, we also return NULL.	266	* exact match, we also return NULL.
283	*/	267	*/
284
285	object *	268	object *
286	lookup_spell_by_name (object op, const char spname)	269	lookup_spell_by_name (object op, const char spname)
287	{	270	{
288	object spob1 = NULL, spob2 = NULL, *spob;	271	object spob1 = 0, spob2 = 0;
289	int nummatch = 0;	272	int nummatch = 0;
290		273
291	if (spname == NULL)	274	if (!spname)
292	return NULL;	275	return 0;
293		276
294	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
295	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
296	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
297	*/	280	*/
298	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
299	{	282	{
300	if (spob->type == SPELL)	283	if (spob->type == SPELL)
301	{	284	{
		285	// TODO: WTF?
302	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
303	{	287	{
304	nummatch++;	288	nummatch++;
305	spob1 = spob;	289	spob1 = spob;
306	}	290	}
…		…
311	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
312	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
313	*/	297	*/
314	if (spob2)	298	if (spob2)
315	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
316	spob2 = spob;	301	spob2 = spob;
317	}	302	}
318	}	303	}
319	}	304	}
320	/* 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
321	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
322	*/	307	*/
323	if (spob2)	308	if (spob2)
324	return spob2;	309	return spob2;
		310
325	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
326	return spob1;	312	return spob1;
		313
327	return NULL;	314	return NULL;
328	}	315	}
329		316
330	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
331	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
335	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
336	*/	323	*/
337	int	324	int
338	reflwall (maptile m, int x, int y, object sp_op)	325	reflwall (maptile m, int x, int y, object sp_op)
339	{	326	{
340	object *op;
341
342	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
343	return 0;	328	return 0;
		329
344	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)	330	for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
345	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (op->flag [FLAG_REFL_SPELL]
346	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!op->flag [FLAG_ALIVE]
347	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
348	return 1;	334	return 1;
349		335
350	return 0;	336	return 0;
351	}	337	}
…		…
370	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");	356	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
371	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");	357	new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
372	dir = 0;	358	dir = 0;
373	}	359	}
374		360
375	SET_FLAG (new_op, FLAG_IDENTIFIED);	361	new_op->set_flag (FLAG_IDENTIFIED);
376	op->map->insert (new_op,	362	op->map->insert (new_op,
377	op->x + freearr_x[dir], op->y + freearr_y[dir],	363	op->x + freearr_x[dir], op->y + freearr_y[dir],
378	op,	364	op,
379	dir ? 0 : INS_BELOW_ORIGINATOR);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
380		366
381	return dir;	367	return dir;
		368	}
		369
		370	static bool
		371	mergable_owner (object o1, object o2)
		372	{
		373	if (o1 == o2)
		374	return 1;
		375
		376	if (!o1 \|\| !o2)
		377	return 0;
		378
		379	if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
		380	return 0;
		381
		382	if (o1->is_player () \|\| o2->is_player ())
		383	return 0;
		384
		385	return 1;
382	}	386	}
383		387
384	/* Returns true if it is ok to put spell *op on the space/may provided.	388	/* Returns true if it is ok to put spell *op on the space/may provided.
385	* immune_stop is basically the attacktype of the spell (why	389	* immune_stop is basically the attacktype of the spell (why
386	* passed as a different value, not sure of). If immune_stop	390	* passed as a different value, not sure of). If immune_stop
387	* has the AT_MAGIC bit set, and there is a counterwall	391	* has the AT_MAGIC bit set, and there is a counterwall
388	* on the space, the object doesn't get placed. if immune stop	392	* on the space, the object doesn't get placed. if immune stop
389	* does not have AT_MAGIC, then counterwalls do not effect the spell.	393	* does not have AT_MAGIC, then counterwalls do not effect the spell.
390	*
391	*/	394	*/
392	int	395	int
393	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)	396	ok_to_put_more (maptile m, sint16 x, sint16 y, object op, int immune_stop)
394	{	397	{
395	if (!xy_normalise (m, x, y))	398	if (!xy_normalise (m, x, y))
…		…
398	mapspace &ms = m->at (x, y);	401	mapspace &ms = m->at (x, y);
399	ms.update ();	402	ms.update ();
400		403
401	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	404	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
402	return 0;	405	return 0;
		406
		407	int max_effects = 5; // max. number of similar spells per mapspace
403		408
404	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	409	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
405	{	410	{
406	/* If there is a counterspell on the space, and this	411	/* If there is a counterspell on the space, and this
407	* object is using magic, don't progress. I believe we could	412	* object is using magic, don't progress. I believe we could
…		…
411	* on top of a counterwall spell (may hit the player before being	416	* on top of a counterwall spell (may hit the player before being
412	* removed.) On the other hand, it may be more dramatic for the	417	* removed.) On the other hand, it may be more dramatic for the
413	* spell to actually hit the counterwall and be sucked up.	418	* spell to actually hit the counterwall and be sucked up.
414	*/	419	*/
415	if ((tmp->attacktype & AT_COUNTERSPELL)	420	if ((tmp->attacktype & AT_COUNTERSPELL)
416	&& !QUERY_FLAG (tmp, FLAG_MONSTER)	421	&& !tmp->flag [FLAG_MONSTER]
417	&& (tmp->type != PLAYER)	422	&& (tmp->type != PLAYER)
418	&& (tmp->type != WEAPON)	423	&& (tmp->type != WEAPON)
419	&& (tmp->type != BOW)	424	&& (tmp->type != BOW)
420	&& (tmp->type != ARROW)	425	&& (tmp->type != ARROW)
421	&& (tmp->type != GOLEM)	426	&& (tmp->type != GOLEM)
422	&& !QUERY_FLAG (tmp, FLAG_IS_FLOOR) // XXX:	427	&& !tmp->flag [FLAG_IS_FLOOR] // XXX:
423	// we special case floor here because there	428	// we special case floor here because there
424	// are sometimes spell effect floors	429	// are sometimes spell effect floors
425	// which are used to inflict damage	430	// which are used to inflict damage
426	// (and those shouldn't go away from	431	// (and those shouldn't go away from
427	// sanctuary) see also: permanent lava	432	// sanctuary) see also: permanent lava
428	&& (immune_stop & AT_MAGIC))	433	&& (immune_stop & AT_MAGIC))
429	return 0;	434	return 0;
430		435
431	/* This is to prevent 'out of control' spells. Basically, this
432	* limits one spell effect per space per spell. This is definately
433	* needed for performance reasons, and just for playability I believe.
434	* there are no such things as multispaced spells right now, so
435	* we don't need to worry about the head.
436	*/
437	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
438	return 0;
439
440	/*
441	* Combine similar spell effects into one spell effect. Needed for
442	* performance reasons with meteor swarm and the like, but also for
443	* playability reasons.
444	*/
445	if (tmp->arch == op->arch /* no harm if not comparing by name here */
446	&& tmp->type == op->type	436	if (tmp->type == op->type)
447	&& tmp->subtype == op->subtype
448	&& tmp->owner == op->owner
449	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
450	{	437	{
451	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	438	if (tmp->subtype == op->subtype
452	tmp->range = MAX (tmp->range, op->range);	439	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
453	tmp->duration = MAX (tmp->duration, op->duration);	440	{
		441	/* This is to prevent 'out of control' spells. Basically, this
		442	* limits one spell effect per space per spell. This is definately
		443	* needed for performance reasons, and just for playability I believe.
		444	* there are no such things as multispaced spells right now, so
		445	* we don't need to worry about the head.
		446	*/
		447	if (tmp->stats.maxhp == op->stats.maxhp)
		448	return 0;
		449
		450	/*
		451	* Combine similar spell effects into one spell effect. Needed for
		452	* performance reasons with meteor swarm and the like, but also for
		453	* playability reasons.
		454	*/
		455	if (((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
		456	if (mergable_owner (tmp, op))
		457	{
		458	// if same owner, then combine, but reduce advantage of multiple spells
		459	max_it (tmp->stats.dam, op->stats.dam);
		460	max_it (tmp->range , op->range);
		461	max_it (tmp->duration , op->duration);
		462	return 0;
		463	}
		464	}
		465
		466	// if there are too many spell effects on this space,
		467	// then don't allow more of them, for performance reasons.
		468	if (tmp->type == SPELL_EFFECT
		469	&& !--max_effects)
454	return 0;	470	return 0;
455	}	471	}
456		472
457	/* Perhaps we should also put checks in for no magic and unholy	473	/* Perhaps we should also put checks in for no magic and unholy
458	* ground to prevent it from moving along?	474	* ground to prevent it from moving along?
459	*/	475	*/
…		…
490	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
491	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
492	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
493	tmp->direction = dir;	509	tmp->direction = dir;
494	tmp->set_owner (op);	510	tmp->set_owner (op);
495	tmp->level = caster_level (caster, spell);	511	tmp->level = casting_level (caster, spell);
496	set_spell_skill (op, caster, spell, tmp);	512	set_spell_skill (op, caster, spell, tmp);
497		513
498	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	514	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
499	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	515	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
500	if (!tailor_god_spell (tmp, op))	516	if (!tailor_god_spell (tmp, op))
501	return 0;	517	return 0;
502		518
503	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	519	if (tmp->flag [FLAG_IS_TURNABLE])
504	SET_ANIMATION (tmp, dir);	520	SET_ANIMATION (tmp, dir);
505		521
506	if ((tmp = op->map->insert (tmp, x, y, op)))	522	if ((tmp = op->map->insert (tmp, x, y, op)))
507	move_spell_effect (tmp);	523	move_spell_effect (tmp);
508		524
…		…
516	****************************************************************************/	532	****************************************************************************/
517	void	533	void
518	regenerate_rod (object *rod)	534	regenerate_rod (object *rod)
519	{	535	{
520	if (rod->stats.hp < rod->stats.maxhp)	536	if (rod->stats.hp < rod->stats.maxhp)
521	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10);	537	rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
522	}	538	}
523		539
524	void	540	void
525	drain_rod_charge (object *rod)	541	drain_rod_charge (object *rod)
526	{	542	{
…		…
546	{	562	{
547	tmp = op->owner;	563	tmp = op->owner;
548	/* If the owner does not exist, or is not a monster, than apply the spell	564	/* If the owner does not exist, or is not a monster, than apply the spell
549	* to the caster.	565	* to the caster.
550	*/	566	*/
551	if (!tmp \|\| !QUERY_FLAG (tmp, FLAG_MONSTER))	567	if (!tmp \|\| !tmp->flag [FLAG_MONSTER])
552	tmp = op;	568	tmp = op;
553	}	569	}
554	else	570	else
555	{	571	{
556	maptile *m = op->map;	572	maptile *m = op->map;
…		…
604	continue;	620	continue;
605		621
606	tmp = GET_MAP_OB (mp, nx, ny);	622	tmp = GET_MAP_OB (mp, nx, ny);
607		623
608	while (tmp != NULL && (((owner_type == PLAYER &&	624	while (tmp != NULL && (((owner_type == PLAYER &&
609	!QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) \|\|	625	!tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) \|\|
610	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))	626	(owner_type != PLAYER && tmp->type != PLAYER)) \|\| (tmp == exclude \|\| (tmp->head && tmp->head == exclude))))
611	tmp = tmp->above;	627	tmp = tmp->above;
612		628
613	if (tmp != NULL && can_see_monsterP (m, x, y, i))	629	if (tmp != NULL && can_see_monsterP (m, x, y, i))
614	return freedir[i];	630	return freedir[i];
…		…
618		634
619	/* put_a_monster: puts a monster named monstername near by	635	/* put_a_monster: puts a monster named monstername near by
620	* op. This creates the treasures for the monsters, and	636	* op. This creates the treasures for the monsters, and
621	* also deals with multipart monsters properly.	637	* also deals with multipart monsters properly.
622	*/	638	*/
623	void	639	static void
624	put_a_monster (object op, const char monstername)	640	put_a_monster (object op, const char monstername)
625	{	641	{
626	object tmp, head = NULL, *prev = NULL;	642	object tmp, head = NULL, *prev = NULL;
627	archetype *at;	643	archetype *at;
628	int dir;	644	int dir;
…		…
643	* insert multipart monsters properly	659	* insert multipart monsters properly
644	*/	660	*/
645	//TODO: use expand_tail + ...	661	//TODO: use expand_tail + ...
646	while (at != NULL)	662	while (at != NULL)
647	{	663	{
648	tmp = arch_to_object (at);	664	tmp = at->instance ();
649	tmp->x = op->x + freearr_x[dir] + at->x;	665	tmp->x = op->x + freearr_x[dir] + at->x;
650	tmp->y = op->y + freearr_y[dir] + at->y;	666	tmp->y = op->y + freearr_y[dir] + at->y;
651	tmp->map = op->map;	667	tmp->map = op->map;
652	if (head)	668	if (head)
653	{	669	{
…		…
684	* Note that this is not used by any spells (summon evil monsters	700	* Note that this is not used by any spells (summon evil monsters
685	* use to call this, but best I can tell, that spell/ability was	701	* use to call this, but best I can tell, that spell/ability was
686	* never used. This is however used by various failures on the	702	* never used. This is however used by various failures on the
687	* players part (alchemy, reincarnation, etc)	703	* players part (alchemy, reincarnation, etc)
688	*/	704	*/
689
690	int	705	int
691	summon_hostile_monsters (object op, int n, const char monstername)	706	summon_hostile_monsters (object op, int n, const char monstername)
692	{	707	{
693	int i;	708	int i;
694		709
…		…
759	{	774	{
760	SET_ANIMATION (op, ATTACKS[i].face);	775	SET_ANIMATION (op, ATTACKS[i].face);
761	}	776	}
762	}	777	}
763		778
764
765	/* prayer_failure: This is called when a player fails	779	/* prayer_failure: This is called when a player fails
766	* at casting a prayer.	780	* at casting a prayer.
767	* op is the player.	781	* op is the player.
768	* failure is basically how much grace they had.	782	* failure is basically how much grace they had.
769	* power is how much grace the spell would normally take to cast.	783	* power is how much grace the spell would normally take to cast.
770	*/	784	*/
771		785	static void
772	void
773	prayer_failure (object *op, int failure, int power)	786	prayer_failure (object *op, int failure, int power)
774	{	787	{
775	const char *godname;	788	const char *godname;
776	object *tmp;	789	object *tmp;
777		790
…		…
870	tmp->insert_at (op);	883	tmp->insert_at (op);
871	}	884	}
872	}	885	}
873	}	886	}
874		887
875	int	888	static int
876	cast_party_spell (object op, object caster, int dir, object spell_ob, char stringarg)	889	cast_party_spell (object op, object caster, int dir, object spell_ob, char spellparam)
877	{	890	{
878	int success;
879	object *spell;
880
881	if (!spell_ob->other_arch)	891	if (!spell_ob->other_arch)
882	{	892	{
883	LOG (llevError, "cast_party_spell: empty other arch\n");	893	LOG (llevError, "cast_party_spell: empty other arch\n");
884	return 0;	894	return 0;
885	}	895	}
886		896
887	spell = arch_to_object (spell_ob->other_arch);	897	object *spell = spell_ob->other_arch->instance ();
888		898
889	/* Always cast spell on caster */	899	/* Always cast spell on caster */
890	success = cast_spell (op, caster, dir, spell, stringarg);	900	int success = cast_spell (op, caster, dir, spell, spellparam);
891		901
892	if (caster->contr->party == NULL)	902	if (!op->contr \|\| !op->contr->party)
893	{	903	{
894	spell->remove ();	904	spell->remove ();
895	return success;	905	return success;
896	}	906	}
897		907
898	for_all_players (pl)	908	for_all_players (pl)
899	if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))	909	if ((pl->ob->contr->party == op->contr->party)
		910	&& on_same_map (pl->ob, op)
		911	&& pl->ob != op)
900	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	912	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
901		913
902	spell->remove ();	914	spell->remove ();
903	return success;	915	return success;
904	}	916	}
905		917
…		…
911	* same as op.	923	* same as op.
912	* dir is the direction to cast in. Note in some cases, if the spell	924	* dir is the direction to cast in. Note in some cases, if the spell
913	* is self only, dir really doesn't make a difference.	925	* is self only, dir really doesn't make a difference.
914	* spell_ob is the spell object that is being cast. From that,	926	* spell_ob is the spell object that is being cast. From that,
915	* we can determine what to do.	927	* we can determine what to do.
916	* stringarg is any options that are being used. It can be NULL. Almost	928	* spellparam is any options that are being used. It can be NULL. Almost
917	* certainly, only players will set it. It is basically used as optional	929	* certainly, only players will set it. It is basically used as optional
918	* parameters to a spell (eg, item to create, information for marking runes,	930	* parameters to a spell (eg, item to create, information for marking runes,
919	* etc.	931	* etc.
920	* returns 1 on successful cast, or 0 on error. These values should really	932	* returns 1 on successful cast, or 0 on error. These values should really
921	* be swapped, so that 0 is successful, and non zero is failure, with a code	933	* be swapped, so that 0 is successful, and non zero is failure, with a code
…		…
929	* if it is a player casting the spell (op->type == PLAYER, op == caster),	941	* if it is a player casting the spell (op->type == PLAYER, op == caster),
930	* this function will decrease the mana/grace appropriately. For other	942	* this function will decrease the mana/grace appropriately. For other
931	* objects, the caller should do what it considers appropriate.	943	* objects, the caller should do what it considers appropriate.
932	*/	944	*/
933	int	945	int
934	cast_spell (object op, object caster, int dir, object spell_ob, char stringarg)	946	cast_spell (object op, object caster, int dir, object spell_ob, char spellparam)
935	{	947	{
936	const char *godname;	948	const char *godname;
937	int success = 0, cast_level = 0;	949	int success = 0;
938	object *skill = NULL;
939		950
940	if (!spell_ob)	951	if (!spell_ob)
941	{	952	{
942	LOG (llevError, "cast_spell: null spell object passed\n");	953	LOG (llevError, "cast_spell: null spell object passed\n");
943	return 0;	954	return 0;
…		…
954	}	965	}
955		966
956	/* if caster is a spell casting object, this normally shouldn't be	967	/* if caster is a spell casting object, this normally shouldn't be
957	* an issue, because they don't have any spellpaths set up.	968	* an issue, because they don't have any spellpaths set up.
958	*/	969	*/
959	if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))	970	if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
960	{	971	{
961	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");	972	new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");
962	return 0;	973	return 0;
963	}	974	}
		975
		976	object *skill = 0;
964		977
965	/* if it is a player casting the spell, and they are really casting it	978	/* if it is a player casting the spell, and they are really casting it
966	* (vs it coming from a wand, scroll, or whatever else), do some	979	* (vs it coming from a wand, scroll, or whatever else), do some
967	* checks. We let monsters do special things - eg, they	980	* checks. We let monsters do special things - eg, they
968	* don't need the skill, bypass level checks, etc. The monster function	981	* don't need the SKILL, BYpass level checks, etc. The monster function
969	* should take care of that.	982	* should take care of that.
970	* Remove the wiz check here and move it further down - some spells	983	* Remove the wiz check here and move it further down - some spells
971	* need to have the right skill pointer passed, so we need to	984	* need to have the right skill pointer passed, so we need to
972	* at least process that code.	985	* at least process that code.
973	*/	986	*/
974	if (op->type == PLAYER && op == caster)	987	if (op->type == PLAYER && op == caster)
975	{	988	{
976	cast_level = caster_level (caster, spell_ob);
977
978	if (spell_ob->skill)	989	if (spell_ob->skill)
979	{	990	{
980	skill = find_skill_by_name (op, spell_ob->skill);	991	skill = find_skill_by_name (op, spell_ob->skill);
981		992
982	if (!skill)	993	if (!skill)
983	{	994	{
984	op->failmsg (format ("You need the skill %s to cast %s! "	995	op->failmsgf ("You need the %s skill to cast %s! "
985	"H<You either need to learn the skill via a skill scroll "	996	"H<You either need to learn the skill via a skill scroll "
986	"or you need to wear a talisman or holy symbol.>",	997	"or you need to wear a talisman, holy symbol or another skill tool.>",
987	&spell_ob->skill, &spell_ob->name));	998	&spell_ob->skill, &spell_ob->name);
988	return 0;	999	return 0;
989	}	1000	}
990		1001
991	int casting_level = min_casting_level (op, spell_ob);	1002	const char *msg = "";
992		1003
993	if (casting_level > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1004	int caster_level = skill->level;
		1005
		1006	if (op->path_attuned & spell_ob->path_attuned)
994	{	1007	{
		1008	caster_level += min (caster_level, ATTUNE_REPELL);
		1009	msg = " (attuned)";
		1010	}
		1011
		1012	if (op->path_repelled & spell_ob->path_attuned)
		1013	{
		1014	caster_level -= ATTUNE_REPELL; // negative is ok
		1015	msg = " (repelled)";
		1016	}
		1017
		1018	if (spell_ob->level > caster_level)
		1019	{
995	op->failmsg (format ("You lack enough skill to cast that spell! "	1020	op->failmsgf ("You lack enough skill to cast that spell! "
996	"H<Your cast level is %d, but level %d is required. Maybe you are repelled?>",	1021	"H<Your effective cast level is %d%s, but level %d is required.>",
997	cast_level, casting_level));	1022	caster_level, msg, spell_ob->level);
		1023	if (!op->is_wiz ())
998	return 0;	1024	return 0;
999	}	1025	}
1000	}	1026	}
1001		1027
1002	/* If the caster is the wiz, they don't ever fail, and don't have	1028	/* If the caster is the wiz, they don't ever fail, and don't have
1003	* to have sufficient grace/mana.	1029	* to have sufficient grace/mana.
1004	*/	1030	*/
1005	if (!QUERY_FLAG (op, FLAG_WIZ))	1031	if (!op->flag [FLAG_WIZCAST])
1006	{	1032	{
1007	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1033	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1008	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1034	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1009	{	1035	{
1010	op->failmsg ("You don't have enough mana!");	1036	op->failmsg ("You don't have enough mana!");
…		…
1018	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1044	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1019	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));	1045	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1020	else	1046	else
1021	{	1047	{
1022	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1048	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1023	op->failmsg (format ("%s ignores your prayer.", godname));	1049	op->failmsgf ("%s ignores your prayer.", godname);
1024	return 0;	1050	return 0;
1025	}	1051	}
1026	}	1052	}
1027		1053
1028	/* player/monster is trying to cast the spell. might fumble it */	1054	/* player/monster is trying to cast the spell. might fumble it */
1029	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1055	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1030	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1056	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1031	{	1057	{
1032	op->contr->play_sound (sound_find ("fumble_spell"));	1058	op->contr->play_sound (sound_find ("fumble_spell"));
1033	op->failmsg ("You fumble the prayer.");	1059	op->failmsg ("You fumble the prayer.");
1034		1060
1035	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1061	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
…		…
1058	* not alive, then this would mean that the mapmaker put the	1084	* not alive, then this would mean that the mapmaker put the
1059	* objects on the space - presume that they know what they are	1085	* objects on the space - presume that they know what they are
1060	* doing.	1086	* doing.
1061	*/	1087	*/
1062		1088
1063	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1089	if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1064	{	1090	{
		1091	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1065	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");	1092	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1066	return 0;	1093	return 0;
1067	}	1094	}
1068		1095
1069	if ((spell_ob->type == SPELL)	1096	if ((spell_ob->type == SPELL)
1070	&& (caster->type != POTION)	1097	&& (caster->type != POTION)
1071	&& !QUERY_FLAG (op, FLAG_WIZCAST)	1098	&& !op->flag [FLAG_WIZCAST]
1072	&& (QUERY_FLAG (caster, FLAG_ALIVE)	1099	&& (caster->flag [FLAG_ALIVE]
1073	\|\| QUERY_FLAG (op, FLAG_ALIVE))	1100	\|\| op->flag [FLAG_ALIVE])
1074	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) \|\| ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))	1101	&& (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) \|\| ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1075	{	1102	{
1076	if (op->type != PLAYER)	1103	if (op->type != PLAYER)
1077	return 0;	1104	return 0;
1078		1105
1079	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1106	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1080	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));	1107	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1081	else if (object *item = op->contr->ranged_ob)	1108	else if (object *item = op->contr->ranged_ob)
1082	{	1109	{
1083	if (item->type == SPELL)	1110	if (item->type == SPELL)
1084	op->failmsg ("Something blocks your spellcasting.");	1111	op->failmsg ("Something blocks your spellcasting.");
1085	else if (item->type == SCROLL)	1112	else if (item->type == SCROLL)
…		…
1101	* the player any time.	1128	* the player any time.
1102	* Ignore casting time for firewalls	1129	* Ignore casting time for firewalls
1103	*/	1130	*/
1104	if (caster == op && caster->type != FIREWALL)	1131	if (caster == op && caster->type != FIREWALL)
1105	{	1132	{
1106	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1133	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1107	/* Other portions of the code may also decrement the speed of the player, so	1134	/* Other portions of the code may also decrement the speed of the player, so
1108	* put a lower limit so that the player isn't stuck here too long	1135	* put a lower limit so that the player isn't stuck here too long
1109	*/	1136	*/
1110	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1137	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1111	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1138	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1112	}	1139	}
1113	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1140	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1114	op->speed_left -= 2 * FABS (op->speed);	1141	op->speed_left -= 2 * op->speed;
1115		1142
1116	if (op->type == PLAYER && op == caster)	1143	if (op->type == PLAYER && op == caster)
1117	{	1144	{
1118	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1145	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1119	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1146	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1124	* object requires.	1151	* object requires.
1125	*/	1152	*/
1126	if (op != caster && !skill && caster->skill)	1153	if (op != caster && !skill && caster->skill)
1127	{	1154	{
1128	skill = find_skill_by_name (op, caster->skill);	1155	skill = find_skill_by_name (op, caster->skill);
		1156
1129	if (!skill)	1157	if (!skill)
1130	{	1158	{
1131	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));	1159	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1132	return 0;	1160	return 0;
1133	}	1161	}
1134
1135	op->change_skill (skill); /* needed for proper exp credit */
1136	}	1162	}
1137		1163
1138	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))	1164	if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
1139	return RESULT_INT (0);	1165	return RESULT_INT (0);
1140		1166
		1167	// temporaroly replace chosen_skill by skill, we assume skill could be applied,
		1168	// at least temporarily, which might not be true due to slot restrictions, but hey
		1169	// invoke requires it basically.
		1170
		1171	object *chosen_skill = op->chosen_skill;
		1172	op->chosen_skill = skill;
		1173
1141	switch (spell_ob->subtype)	1174	switch (spell_ob->subtype)
1142	{	1175	{
1143	/* The order of case statements is same as the order they show up	1176	/* The order of case statements is same as the order they show up
1144	* in in spells.h.	1177	* in spells.h.
1145	*/	1178	*/
1146	case SP_RAISE_DEAD:	1179	case SP_RAISE_DEAD:
1147	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1180	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1148	break;	1181	break;
1149		1182
1150	case SP_RUNE:	1183	case SP_RUNE:
1151	success = write_rune (op, caster, spell_ob, dir, stringarg);	1184	success = write_rune (op, caster, spell_ob, dir, spellparam);
1152	break;	1185	break;
1153		1186
1154	case SP_MAKE_MARK:	1187	case SP_MAKE_MARK:
1155	success = write_mark (op, spell_ob, stringarg);	1188	success = write_mark (op, spell_ob, spellparam);
1156	break;	1189	break;
1157		1190
1158	case SP_BOLT:	1191	case SP_BOLT:
1159	success = fire_bolt (op, caster, dir, spell_ob, skill);	1192	success = fire_bolt (op, caster, dir, spell_ob, skill);
1160	break;	1193	break;
…		…
1189		1222
1190	case SP_DIMENSION_DOOR:	1223	case SP_DIMENSION_DOOR:
1191	/* dimension door needs the actual caster, because that is what is	1224	/* dimension door needs the actual caster, because that is what is
1192	* moved.	1225	* moved.
1193	*/	1226	*/
1194	success = dimension_door (op, caster, spell_ob, dir);	1227	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1195	break;	1228	break;
1196		1229
1197	case SP_MAGIC_MAPPING:	1230	case SP_MAGIC_MAPPING:
1198	if (op->type == PLAYER)	1231	if (op->type == PLAYER)
1199	{	1232	{
…		…
1232	case SP_HEALING:	1265	case SP_HEALING:
1233	success = cast_heal (op, caster, spell_ob, dir);	1266	success = cast_heal (op, caster, spell_ob, dir);
1234	break;	1267	break;
1235		1268
1236	case SP_CREATE_FOOD:	1269	case SP_CREATE_FOOD:
1237	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1270	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1238	break;	1271	break;
1239		1272
1240	case SP_EARTH_TO_DUST:	1273	case SP_EARTH_TO_DUST:
1241	success = cast_earth_to_dust (op, caster, spell_ob);	1274	success = cast_earth_to_dust (op, caster, spell_ob);
1242	break;	1275	break;
…		…
1252	case SP_CURSE:	1285	case SP_CURSE:
1253	success = cast_curse (op, caster, spell_ob, dir);	1286	success = cast_curse (op, caster, spell_ob, dir);
1254	break;	1287	break;
1255		1288
1256	case SP_SUMMON_MONSTER:	1289	case SP_SUMMON_MONSTER:
1257	success = summon_object (op, caster, spell_ob, dir, stringarg);	1290	success = summon_object (op, caster, spell_ob, dir, spellparam);
1258	break;	1291	break;
1259		1292
1260	case SP_CHARGING:	1293	case SP_CHARGING:
1261	success = recharge (op, caster, spell_ob);	1294	success = recharge (op, caster, spell_ob);
1262	break;	1295	break;
…		…
1295	break;	1328	break;
1296		1329
1297	case SP_MOVING_BALL:	1330	case SP_MOVING_BALL:
1298	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1331	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1299	{	1332	{
1300	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));	1333	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1301	success = 0;	1334	success = 0;
1302	}	1335	}
1303	else	1336	else
1304	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);	1337	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1305	break;	1338	break;
…		…
1316	/* in rune.c */	1349	/* in rune.c */
1317	success = dispel_rune (op, caster, spell_ob, skill, dir);	1350	success = dispel_rune (op, caster, spell_ob, skill, dir);
1318	break;	1351	break;
1319		1352
1320	case SP_CREATE_MISSILE:	1353	case SP_CREATE_MISSILE:
1321	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1354	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1322	break;	1355	break;
1323		1356
1324	case SP_CONSECRATE:	1357	case SP_CONSECRATE:
1325	success = cast_consecrate (op, caster, spell_ob);	1358	success = cast_consecrate (op, caster, spell_ob);
1326	break;	1359	break;
…		…
1348	case SP_AURA:	1381	case SP_AURA:
1349	success = create_aura (op, caster, spell_ob);	1382	success = create_aura (op, caster, spell_ob);
1350	break;	1383	break;
1351		1384
1352	case SP_PARTY_SPELL:	1385	case SP_PARTY_SPELL:
1353	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1386	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1354	break;	1387	break;
1355		1388
1356	default:	1389	default:
1357	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1390	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1358	}	1391	}
		1392
		1393	// restore chosen_skill
		1394	op->chosen_skill = chosen_skill;
1359		1395
1360	op->play_sound (	1396	op->play_sound (
1361	success	1397	success
1362	? spell_ob->sound	1398	? spell_ob->sound
1363	? spell_ob->sound	1399	? spell_ob->sound
…		…
1417	move_aura (op);	1453	move_aura (op);
1418	break;	1454	break;
1419	}	1455	}
1420	}	1456	}
1421		1457
1422	/* this checks to see if something special should happen if
1423	* something runs into the object.
1424	*/
1425	void
1426	check_spell_effect (object *op)
1427	{
1428	switch (op->subtype)
1429	{
1430	case SP_BOLT:
1431	move_bolt (op);
1432	return;
1433
1434	case SP_BULLET:
1435	check_bullet (op);
1436	return;
1437	}
1438	}
1439
1440	/* This is called by move_apply. Basically, if someone	1458	/* This is called by move_apply. Basically, if someone
1441	* moves onto a spell effect and the walk_on or fly_on flags	1459	* moves onto a spell effect and the walk_on or fly_on flags
1442	* are set, this is called. This should only be called for	1460	* are set, this is called. This should only be called for
1443	* objects of the appropraite type.	1461	* objects of the appropriate type.
1444	*/	1462	*/
1445	void	1463	void
1446	apply_spell_effect (object spell, object victim)	1464	apply_spell_effect (object spell, object victim)
1447	{	1465	{
1448	switch (spell->subtype)	1466	switch (spell->subtype)
1449	{	1467	{
1450	case SP_CONE:	1468	case SP_CONE:
1451	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1469	if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1452	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1470	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1453	break;	1471	break;
1454		1472
1455	case SP_MAGIC_MISSILE:	1473	case SP_MAGIC_MISSILE:
1456	if (QUERY_FLAG (victim, FLAG_ALIVE))	1474	if (victim->flag [FLAG_ALIVE])
1457	{	1475	{
1458	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1476	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1459
1460	if (!spell->destroyed ())
1461	spell->destroy ();	1477	spell->destroy ();
1462	}	1478	}
1463	break;	1479	break;
1464		1480
1465	case SP_MOVING_BALL:	1481	case SP_MOVING_BALL:
1466	if (QUERY_FLAG (victim, FLAG_ALIVE))	1482	if (victim->flag [FLAG_ALIVE])
1467	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1483	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1468	else if (victim->materialname)	1484	else if (victim->material != MATERIAL_NULL)
1469	save_throw_object (victim, spell->attacktype, spell);	1485	save_throw_object (victim, spell->attacktype, spell);
1470	break;
1471	}
1472	}
1473		1486
		1487	break;
		1488	}
		1489	}
		1490
		1491	/**
		1492	* This function will let a fireball explode at the position of
		1493	* the victim with a specific maximum level.
		1494	*/
		1495	void
		1496	create_exploding_ball_at (object *victim, int level)
		1497	{
		1498	object *ball = get_archetype (EXPLODING_FIREBALL);
		1499	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1500	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1501	ball->insert_at (victim);
		1502	}

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.75 by root, Mon Jul 14 00:04:57 2008 UTC vs. Revision 1.116 by root, Sun Apr 11 00:34:06 2010 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.75 by root, Mon Jul 14 00:04:57 2008 UTC vs.
Revision 1.116 by root, Sun Apr 11 00:34:06 2010 UTC