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

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.63 by root, Thu Nov 8 19:43:29 2007 UTC vs.
Revision 1.114 by root, Sat Apr 10 04:54:10 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 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
…		…
77	dest->skill = spob->skill;	76	dest->skill = spob->skill;
78	else	77	else
79	dest->skill = caster->skill;	78	dest->skill = caster->skill;
80	}	79	}
81		80
82	/* init_spells: This should really be called check_spells, as that
83	* is what it does. It goes through the spells looking for any
84	* obvious errors. This was most useful in debugging when re-doing
85	* all the spells to catch simple errors. To use it all the time
86	* will result in it spitting out messages that aren't really errors.
87	*/
88	void
89	init_spells (void)
90	{
91	#ifdef SPELL_DEBUG
92	static int init_spells_done = 0;
93	int i;
94	archetype *at;
95
96	if (init_spells_done)
97	return;
98	LOG (llevDebug, "Checking spells...\n");
99
100	for_all_archetypes (at)
101	{
102	if (at->type == SPELL)
103	{
104	if (at->skill)
105	{
106	for (i = 1; i < NUM_SKILLS; i++)
107	if (!strcmp (skill_names[i], at->skill))
108	break;
109	if (i == NUM_SKILLS)
110	{
111	LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->skill);
112	}
113	}
114	/* other_arch is already checked for in the loader */
115	}
116	}
117
118	i = 0;
119	while (spell_mapping[i])
120	{
121	if (!archetype::find (spell_mapping[i]))
122	{
123	LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
124	}
125	i++;
126	}
127	LOG (llevDebug, "Checking spells completed.\n");
128	#endif
129	}
130
131	/* Dumps all the spells - now also dumps skill associated with the spell.
132	* not sure what this would be used for, as the data seems pretty
133	* minimal, but easy enough to keep around.
134	*/
135	void
136	dump_spells ()
137	{
138	for_all_archetypes (at)
139	if (at->type == SPELL)
140	fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->object::name,
141	&at->archname, at->other_arch ? &at->other_arch->archname : "<nil>", &at->skill, at->level);
142	}
143
144	/* pretty basic function - basically just takes	81	/* pretty basic function - basically just takes
145	* 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
146	*/	83	*/
147	void	84	void
148	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)
149	{	86	{
150	if (spob->other_arch)	87	if (spob->other_arch)
151	map->insert (arch_to_object (spob->other_arch), x, y, originator);	88	map->insert (spob->other_arch->instance (), x, y, originator);
152	}	89	}
153		90
154	/*	91	static int
155	* This function takes a caster and spell and presents the	92	attuned_bonus (object caster, object spell, int level)
156	* effective level the caster needs to be to cast the spell.
157	* basically, it just adjusts the spell->level with attuned/repelled
158	* spellpaths. Was called path_level_mod.
159	*
160	* caster is person casting the spell.
161	* spell is the spell object.
162	* Returns modified level.
163	*/
164	int
165	min_casting_level (object caster, object spell)
166	{	93	{
167	int new_level;	94	// compute the attuned/repelled bonus
168		95	// attuned only increases up to 2 times the original level (i.e. bonus <= level) */
169	if (caster->path_denied & spell->path_attuned)	96	// repell has no such quarrels
170	return 1;	97	return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
171
172	new_level = spell->level
173	+ (caster->path_repelled & spell->path_attuned ? +2 : 0)	98	+ (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
174	+ (caster->path_attuned & spell->path_attuned ? -2 : 0);
175
176	return max (1, new_level);
177	}	99	}
178		100
179	/* This function returns the effective level the spell	101	/* This function returns the effective level the spell
180	* is being cast at.	102	* is being cast at.
181	* Note that I changed the repelled/attuned bonus to 2 from 5.
182	* This is because the new code compares casting_level against
183	* min_caster_level, so the difference is effectively 4
184	*/	103	*/
185	int	104	int
186	caster_level (object caster, object spell)	105	casting_level (object caster, object spell)
187	{	106	{
188	int level = caster->level;	107	int level = caster->level;
189
190	/* If this is a player, try to find the matching skill */
191	if (caster->type == PLAYER && spell->skill)
192	for (int i = 0; i < NUM_SKILLS; i++)
193	if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
194	{
195	level = caster->contr->last_skill_ob[i]->level;
196	break;
197	}
198		108
199	/* 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. */
200	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)	110	if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
201	{	111	{
202	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);
203	int sk_level = skill ? skill->level : 1;	113	int sk_level = skill ? skill->level : 1;
204		114
205	level = MIN (level, sk_level + level / 10 + 1);	115	level = min (level, sk_level + level / 10 + 1);
206	}	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;
207		120
208	/* Got valid caster level. Now adjust for attunement */	121	int bonus = attuned_bonus (caster, spell, level);
209	level += caster->path_repelled & spell->path_attuned ? -2 : 0;	122
210	level += caster->path_attuned & spell->path_attuned ? +2 : 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);
211		128
212	/* 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
213	* errors in various places.	130	* errors in various places.
214	*/	131	*/
215	return max (level, 1);	132	return clamp (level, 1, settings.max_level);
216	}	133	}
217		134
218	/* The following function scales the spellpoint cost of	135	/* The following function scales the spellpoint cost of
219	* a spell by it's increased effectiveness. Some of the	136	* a spell by it's increased effectiveness. Some of the
220	* lower level spells become incredibly vicious at high	137	* lower level spells become incredibly vicious at high
…		…
224	* caster is what is casting the spell, can be op.	141	* caster is what is casting the spell, can be op.
225	* spell is the spell object.	142	* spell is the spell object.
226	* 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
227	* mana. In that case, we return which ever value is higher.	144	* mana. In that case, we return which ever value is higher.
228	*/	145	*/
229
230	sint16	146	sint16
231	SP_level_spellpoint_cost (object caster, object spell, int flags)	147	SP_level_spellpoint_cost (object caster, object spell, int flags)
232	{	148	{
233	int sp, grace, level = caster_level (caster, spell);	149	int sp, grace, level = casting_level (caster, spell);
234		150
235	if (settings.spellpoint_level_depend == TRUE)	151	if (settings.spellpoint_level_depend == TRUE)
236	{	152	{
237	if (spell->stats.sp && spell->stats.maxsp)	153	if (spell->stats.sp && spell->stats.maxsp)
238	{
239	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));
240	}
241	else	155	else
242	sp = spell->stats.sp;	156	sp = spell->stats.sp;
243		157
244	sp *= (int) PATH_SP_MULT (caster, spell);	158	sp *= (int) PATH_SP_MULT (caster, spell);
245	if (!sp && spell->stats.sp)	159	if (!sp && spell->stats.sp)
246	sp = 1;	160	sp = 1;
247		161
248	if (spell->stats.grace && spell->stats.maxgrace)	162	if (spell->stats.grace && spell->stats.maxgrace)
249	{
250	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));
251	}
252	else	164	else
253	grace = spell->stats.grace;	165	grace = spell->stats.grace;
254		166
255	grace *= (int) PATH_SP_MULT (caster, spell);	167	grace *= PATH_SP_MULT (caster, spell);
256	if (spell->stats.grace && !grace)	168	if (spell->stats.grace && !grace)
257	grace = 1;	169	grace = 1;
258	}	170	}
259	else	171	else
260	{	172	{
261	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));	173	sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
262	if (spell->stats.sp && !sp)	174	if (spell->stats.sp && !sp)
263	sp = 1;	175	sp = 1;
		176
264	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));	177	grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
265	if (spell->stats.grace && !grace)	178	if (spell->stats.grace && !grace)
266	grace = 1;	179	grace = 1;
267	}	180	}
268		181
269	if (flags == SPELL_HIGHEST)	182	if (flags == SPELL_HIGHEST)
270	return MAX (sp, grace);	183	return max (sp, grace);
271	else if (flags == SPELL_GRACE)	184	else if (flags == SPELL_GRACE)
272	return grace;	185	return grace;
273	else if (flags == SPELL_MANA)	186	else if (flags == SPELL_MANA)
274	return sp;	187	return sp;
275	else	188	else
…		…
277	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);
278	return 0;	191	return 0;
279	}	192	}
280	}	193	}
281		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
282	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.	206	/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
283	* spob is the spell we are adjusting.	207	* spob is the spell we are adjusting.
284	*/	208	*/
285	int	209	int
286	SP_level_dam_adjust (object caster, object spob)	210	SP_level_dam_adjust (object caster, object spob)
287	{	211	{
288	if (!spob->dam_modifier)	212	if (!spob->dam_modifier)
289	return 0;	213	return 0;
290		214
291	int level = caster_level (caster, spob);
292	return max (0, level - min_casting_level (caster, spob)) / spob->dam_modifier;	215	return SP_casting_level (caster, spob) / spob->dam_modifier;
293	}	216	}
294		217
295	/* Adjust the strength of the spell based on level.	218	/* Adjust the strength of the spell based on level.
296	* This is basically the same as SP_level_dam_adjust above,	219	* This is basically the same as SP_level_dam_adjust above,
297	* but instead looks at the level_modifier value.	220	* but instead looks at the level_modifier value.
…		…
300	SP_level_duration_adjust (object caster, object spob)	223	SP_level_duration_adjust (object caster, object spob)
301	{	224	{
302	if (!spob->duration_modifier)	225	if (!spob->duration_modifier)
303	return 0;	226	return 0;
304		227
305	int level = caster_level (caster, spob);
306	return max (0, level - min_casting_level (caster, spob)) / spob->duration_modifier;	228	return SP_casting_level (caster, spob) / spob->duration_modifier;
307	}	229	}
308		230
309	/* Adjust the strength of the spell based on level.	231	/* Adjust the strength of the spell based on level.
310	* This is basically the same as SP_level_dam_adjust above,	232	* This is basically the same as SP_level_dam_adjust above,
311	* but instead looks at the level_modifier value.	233	* but instead looks at the level_modifier value.
…		…
314	SP_level_range_adjust (object caster, object spob)	236	SP_level_range_adjust (object caster, object spob)
315	{	237	{
316	if (!spob->range_modifier)	238	if (!spob->range_modifier)
317	return 0;	239	return 0;
318		240
319	int level = caster_level (caster, spob);
320	return (level - min_casting_level (caster, spob)) / spob->range_modifier;	241	return SP_casting_level (caster, spob) / spob->range_modifier;
321	}	242	}
322		243
323	/* 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
324	* as an existing spell, we presume they know it.	245	* as an existing spell, we presume they know it.
325	* 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.
326	*/	247	*/
327	object *	248	object *
328	check_spell_known (object op, const char name)	249	check_spell_known (object *op, shstr_cmp name)
329	{	250	{
330	object *spop;	251	object *spop;
331		252
332	for (spop = op->inv; spop; spop = spop->below)	253	for (spop = op->inv; spop; spop = spop->below)
333	if (spop->type == SPELL && !strcmp (spop->name, name))	254	if (spop->type == SPELL && spop->name == name)
334	return spop;	255	return spop;
335		256
336	return NULL;	257	return 0;
337	}	258	}
338
339		259
340	/*	260	/*
341	* Look at object 'op' and see if they know the spell	261	* Look at object 'op' and see if they know the spell
342	* spname. This is pretty close to check_spell_known	262	* spname. This is pretty close to check_spell_known
343	* above, but it uses a looser matching mechanism.	263	* above, but it uses a looser matching mechanism.
344	* returns the matching spell object, or NULL.	264	* returns the matching spell object, or NULL.
345	* If we match multiple spells but don't get an	265	* If we match multiple spells but don't get an
346	* exact match, we also return NULL.	266	* exact match, we also return NULL.
347	*/	267	*/
348
349	object *	268	object *
350	lookup_spell_by_name (object op, const char spname)	269	lookup_spell_by_name (object op, const char spname)
351	{	270	{
352	object spob1 = NULL, spob2 = NULL, *spob;	271	object spob1 = 0, spob2 = 0;
353	int nummatch = 0;	272	int nummatch = 0;
354		273
355	if (spname == NULL)	274	if (!spname)
356	return NULL;	275	return 0;
357		276
358	/* Try to find the spell. We store the results in spob1	277	/* Try to find the spell. We store the results in spob1
359	* and spob2 - spob1 is only taking the length of	278	* and spob2 - spob1 is only taking the length of
360	* the past spname, spob2 uses the length of the spell name.	279	* the past spname, spob2 uses the length of the spell name.
361	*/	280	*/
362	for (spob = op->inv; spob; spob = spob->below)	281	for (object *spob = op->inv; spob; spob = spob->below)
363	{	282	{
364	if (spob->type == SPELL)	283	if (spob->type == SPELL)
365	{	284	{
		285	// TODO: WTF?
366	if (!strncmp (spob->name, spname, strlen (spname)))	286	if (!strncmp (spob->name, spname, strlen (spname)))
367	{	287	{
368	nummatch++;	288	nummatch++;
369	spob1 = spob;	289	spob1 = spob;
370	}	290	}
…		…
375	* fall into this category). It shouldn't be hard to	295	* fall into this category). It shouldn't be hard to
376	* make sure spell names don't overlap in that fashion.	296	* make sure spell names don't overlap in that fashion.
377	*/	297	*/
378	if (spob2)	298	if (spob2)
379	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
380	spob2 = spob;	301	spob2 = spob;
381	}	302	}
382	}	303	}
383	}	304	}
384	/* 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
385	* on the loser match, return that, otehrwise null	306	* on the loser match, return that, otehrwise null
386	*/	307	*/
387	if (spob2)	308	if (spob2)
388	return spob2;	309	return spob2;
		310
389	if (spob1 && nummatch == 1)	311	if (spob1 && nummatch == 1)
390	return spob1;	312	return spob1;
		313
391	return NULL;	314	return NULL;
392	}	315	}
393		316
394	/* reflwall - decides weither the (spell-)object sp_op will	317	/* reflwall - decides weither the (spell-)object sp_op will
395	* be reflected from the given mapsquare. Returns 1 if true.	318	* be reflected from the given mapsquare. Returns 1 if true.
…		…
399	* eg, updated for tiled maps.	322	* eg, updated for tiled maps.
400	*/	323	*/
401	int	324	int
402	reflwall (maptile m, int x, int y, object sp_op)	325	reflwall (maptile m, int x, int y, object sp_op)
403	{	326	{
404	object *op;
405
406	if (OUT_OF_REAL_MAP (m, x, y))	327	if (OUT_OF_REAL_MAP (m, x, y))
407	return 0;	328	return 0;
		329
408	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)
409	if (QUERY_FLAG (op, FLAG_REFL_SPELL)	331	if (QUERY_FLAG (op, FLAG_REFL_SPELL)
410	&& (!QUERY_FLAG (op, FLAG_ALIVE)	332	&& (!QUERY_FLAG (op, FLAG_ALIVE)
411	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))	333	\|\| (rndm (0, 99)) < 90 - (sp_op->level / 10)))
412	return 1;	334	return 1;
413		335
…		…
443	dir ? 0 : INS_BELOW_ORIGINATOR);	365	dir ? 0 : INS_BELOW_ORIGINATOR);
444		366
445	return dir;	367	return dir;
446	}	368	}
447		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;
		386	}
		387
448	/* 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.
449	* immune_stop is basically the attacktype of the spell (why	389	* immune_stop is basically the attacktype of the spell (why
450	* passed as a different value, not sure of). If immune_stop	390	* passed as a different value, not sure of). If immune_stop
451	* has the AT_MAGIC bit set, and there is a counterwall	391	* has the AT_MAGIC bit set, and there is a counterwall
452	* 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
453	* 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.
454	*
455	*/	394	*/
456	int	395	int
457	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)
458	{	397	{
459	if (!xy_normalise (m, x, y))	398	if (!xy_normalise (m, x, y))
460	return 0;	399	return 0;
461		400
462	mapspace &ms = m->at (x, y);	401	mapspace &ms = m->at (x, y);
		402	ms.update ();
463		403
464	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))	404	if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
465	return 0;	405	return 0;
		406
		407	int max_effects = 5; // max. number of similar spells per mapspace
466		408
467	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	409	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
468	{	410	{
469	/* If there is a counterspell on the space, and this	411	/* If there is a counterspell on the space, and this
470	* object is using magic, don't progress. I believe we could	412	* object is using magic, don't progress. I believe we could
…		…
489	// (and those shouldn't go away from	431	// (and those shouldn't go away from
490	// sanctuary) see also: permanent lava	432	// sanctuary) see also: permanent lava
491	&& (immune_stop & AT_MAGIC))	433	&& (immune_stop & AT_MAGIC))
492	return 0;	434	return 0;
493		435
494	/* This is to prevent 'out of control' spells. Basically, this
495	* limits one spell effect per space per spell. This is definately
496	* needed for performance reasons, and just for playability I believe.
497	* there are no such things as multispaced spells right now, so
498	* we don't need to worry about the head.
499	*/
500	if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
501	return 0;
502
503	/*
504	* Combine similar spell effects into one spell effect. Needed for
505	* performance reasons with meteor swarm and the like, but also for
506	* playability reasons.
507	*/
508	if (tmp->arch == op->arch
509	&& tmp->type == op->type	436	if (tmp->type == op->type)
510	&& tmp->subtype == op->subtype
511	&& tmp->owner == op->owner
512	&& ((tmp->subtype == SP_EXPLOSION) \|\| (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
513	{	437	{
514	tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam);	438	if (tmp->subtype == op->subtype
515	tmp->range = MAX (tmp->range, op->range);	439	&& tmp->arch == op->arch /* no harm if not comparing by name here */)
516	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)
517	return 0;	470	return 0;
518	}	471	}
519		472
520	/* 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
521	* ground to prevent it from moving along?	474	* ground to prevent it from moving along?
522	*/	475	*/
…		…
537	* returns 0 on failure, 1 on success.	490	* returns 0 on failure, 1 on success.
538	*/	491	*/
539	int	492	int
540	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)	493	fire_arch_from_position (object op, object caster, sint16 x, sint16 y, int dir, object *spell)
541	{	494	{
542	object *tmp;
543	int mflags;
544	maptile *m;
545
546	if (spell->other_arch == NULL)	495	if (!spell->other_arch)
547	return 0;	496	return 0;
548		497
549	m = op->map;	498	object *tmp = spell->other_arch->instance ();
550	mflags = get_map_flags (m, &m, x, y, &x, &y);
551	if (mflags & P_OUT_OF_MAP)
552	{
553	return 0;
554	}
555		499
556	tmp = arch_to_object (spell->other_arch);	500	if (!tmp)
557
558	if (tmp == NULL)
559	return 0;	501	return 0;
560
561	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
562	{
563	new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
564	tmp->destroy ();
565	return 0;
566	}
567		502
568	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);	503	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
569	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);	504	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
570	/* code in time.c uses food for some things, duration for others */	505	/* code in time.c uses food for some things, duration for others */
571	tmp->stats.food = tmp->duration;	506	tmp->stats.food = tmp->duration;
572	tmp->range = spell->range + SP_level_range_adjust (caster, spell);	507	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
573	tmp->attacktype = spell->attacktype;	508	tmp->attacktype = spell->attacktype;
574	tmp->x = x;
575	tmp->y = y;
576	tmp->direction = dir;	509	tmp->direction = dir;
577	if (op->owner != NULL)
578	tmp->set_owner (op);	510	tmp->set_owner (op);
579	else
580	tmp->set_owner (op);
581	tmp->level = caster_level (caster, spell);	511	tmp->level = casting_level (caster, spell);
582	set_spell_skill (op, caster, spell, tmp);	512	set_spell_skill (op, caster, spell, tmp);
583		513
584	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */	514	/* needed for AT_HOLYWORD,AT_GODPOWER stuff */
585	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)	515	if (tmp->attacktype & AT_HOLYWORD \|\| tmp->attacktype & AT_GODPOWER)
586	{
587	if (!tailor_god_spell (tmp, op))	516	if (!tailor_god_spell (tmp, op))
588	return 0;	517	return 0;
589	}	518
590	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))	519	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
591	SET_ANIMATION (tmp, dir);	520	SET_ANIMATION (tmp, dir);
592		521
593	if ((tmp = insert_ob_in_map (tmp, m, op, 0)))	522	if ((tmp = op->map->insert (tmp, x, y, op)))
594	move_spell_effect (tmp);	523	move_spell_effect (tmp);
595		524
596	return 1;	525	return 1;
597	}	526	}
598		527
…		…
603	****************************************************************************/	532	****************************************************************************/
604	void	533	void
605	regenerate_rod (object *rod)	534	regenerate_rod (object *rod)
606	{	535	{
607	if (rod->stats.hp < rod->stats.maxhp)	536	if (rod->stats.hp < rod->stats.maxhp)
608	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);
609	}	538	}
610		539
611	void	540	void
612	drain_rod_charge (object *rod)	541	drain_rod_charge (object *rod)
613	{	542	{
…		…
653	if (!tmp)	582	if (!tmp)
654	tmp = op->ms ().player ();	583	tmp = op->ms ().player ();
655		584
656	return tmp;	585	return tmp;
657	}	586	}
658
659
660		587
661	/* raytrace:	588	/* raytrace:
662	* spell_find_dir(map, x, y, exclude) will search first the center square	589	* spell_find_dir(map, x, y, exclude) will search first the center square
663	* then some close squares in the given map at the given coordinates for	590	* then some close squares in the given map at the given coordinates for
664	* live objects.	591	* live objects.
…		…
667	* monsters/generators only. If not, the spell will hunt players only.	594	* monsters/generators only. If not, the spell will hunt players only.
668	* It returns the direction toward the first/closest live object if it finds	595	* It returns the direction toward the first/closest live object if it finds
669	* any, otherwise -1.	596	* any, otherwise -1.
670	* note that exclude can be NULL, in which case all bets are off.	597	* note that exclude can be NULL, in which case all bets are off.
671	*/	598	*/
672
673	int	599	int
674	spell_find_dir (maptile m, int x, int y, object exclude)	600	spell_find_dir (maptile m, int x, int y, object exclude)
675	{	601	{
676	int i, max = SIZEOFFREE;	602	int i, max = SIZEOFFREE;
677	sint16 nx, ny;	603	sint16 nx, ny;
…		…
708		634
709	/* put_a_monster: puts a monster named monstername near by	635	/* put_a_monster: puts a monster named monstername near by
710	* op. This creates the treasures for the monsters, and	636	* op. This creates the treasures for the monsters, and
711	* also deals with multipart monsters properly.	637	* also deals with multipart monsters properly.
712	*/	638	*/
713	void	639	static void
714	put_a_monster (object op, const char monstername)	640	put_a_monster (object op, const char monstername)
715	{	641	{
716	object tmp, head = NULL, *prev = NULL;	642	object tmp, head = NULL, *prev = NULL;
717	archetype *at;	643	archetype *at;
718	int dir;	644	int dir;
…		…
733	* insert multipart monsters properly	659	* insert multipart monsters properly
734	*/	660	*/
735	//TODO: use expand_tail + ...	661	//TODO: use expand_tail + ...
736	while (at != NULL)	662	while (at != NULL)
737	{	663	{
738	tmp = arch_to_object (at);	664	tmp = at->instance ();
739	tmp->x = op->x + freearr_x[dir] + at->x;	665	tmp->x = op->x + freearr_x[dir] + at->x;
740	tmp->y = op->y + freearr_y[dir] + at->y;	666	tmp->y = op->y + freearr_y[dir] + at->y;
741	tmp->map = op->map;	667	tmp->map = op->map;
742	if (head)	668	if (head)
743	{	669	{
…		…
757	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);	683	create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
758		684
759	insert_ob_in_map (head, op->map, op, 0);	685	insert_ob_in_map (head, op->map, op, 0);
760		686
761	/* thought it'd be cool to insert a burnout, too. */	687	/* thought it'd be cool to insert a burnout, too. */
762	op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op);	688	op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
763	}	689	}
764	}	690	}
765		691
766	/* peterm: function which summons hostile monsters and	692	/* peterm: function which summons hostile monsters and
767	* places them in nearby squares.	693	* places them in nearby squares.
…		…
774	* 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
775	* 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
776	* never used. This is however used by various failures on the	702	* never used. This is however used by various failures on the
777	* players part (alchemy, reincarnation, etc)	703	* players part (alchemy, reincarnation, etc)
778	*/	704	*/
779
780	int	705	int
781	summon_hostile_monsters (object op, int n, const char monstername)	706	summon_hostile_monsters (object op, int n, const char monstername)
782	{	707	{
783	int i;	708	int i;
784		709
…		…
849	{	774	{
850	SET_ANIMATION (op, ATTACKS[i].face);	775	SET_ANIMATION (op, ATTACKS[i].face);
851	}	776	}
852	}	777	}
853		778
854
855	/* prayer_failure: This is called when a player fails	779	/* prayer_failure: This is called when a player fails
856	* at casting a prayer.	780	* at casting a prayer.
857	* op is the player.	781	* op is the player.
858	* failure is basically how much grace they had.	782	* failure is basically how much grace they had.
859	* 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.
860	*/	784	*/
861		785	static void
862	void
863	prayer_failure (object *op, int failure, int power)	786	prayer_failure (object *op, int failure, int power)
864	{	787	{
865	const char *godname;	788	const char *godname;
866	object *tmp;	789	object *tmp;
867		790
…		…
960	tmp->insert_at (op);	883	tmp->insert_at (op);
961	}	884	}
962	}	885	}
963	}	886	}
964		887
965	int	888	static int
966	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)
967	{	890	{
968	int success;
969	object *spell;
970
971	if (!spell_ob->other_arch)	891	if (!spell_ob->other_arch)
972	{	892	{
973	LOG (llevError, "cast_party_spell: empty other arch\n");	893	LOG (llevError, "cast_party_spell: empty other arch\n");
974	return 0;	894	return 0;
975	}	895	}
976		896
977	spell = arch_to_object (spell_ob->other_arch);	897	object *spell = spell_ob->other_arch->instance ();
978		898
979	/* Always cast spell on caster */	899	/* Always cast spell on caster */
980	success = cast_spell (op, caster, dir, spell, stringarg);	900	int success = cast_spell (op, caster, dir, spell, spellparam);
981		901
982	if (caster->contr->party == NULL)	902	if (!op->contr \|\| !op->contr->party)
983	{	903	{
984	spell->remove ();	904	spell->remove ();
985	return success;	905	return success;
986	}	906	}
987		907
988	for_all_players (pl)	908	for_all_players (pl)
989	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)
990	cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);	912	cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
991		913
992	spell->remove ();	914	spell->remove ();
993	return success;	915	return success;
994	}	916	}
995		917
…		…
1001	* same as op.	923	* same as op.
1002	* 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
1003	* is self only, dir really doesn't make a difference.	925	* is self only, dir really doesn't make a difference.
1004	* 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,
1005	* we can determine what to do.	927	* we can determine what to do.
1006	* 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
1007	* 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
1008	* 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,
1009	* etc.	931	* etc.
1010	* 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
1011	* 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
…		…
1019	* 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),
1020	* this function will decrease the mana/grace appropriately. For other	942	* this function will decrease the mana/grace appropriately. For other
1021	* objects, the caller should do what it considers appropriate.	943	* objects, the caller should do what it considers appropriate.
1022	*/	944	*/
1023	int	945	int
1024	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)
1025	{	947	{
1026	const char *godname;	948	const char *godname;
1027	int success = 0, cast_level = 0;	949	int success = 0;
1028	object *skill = NULL;	950	object *skill = NULL;
1029		951
1030	if (!spell_ob)	952	if (!spell_ob)
1031	{	953	{
1032	LOG (llevError, "cast_spell: null spell object passed\n");	954	LOG (llevError, "cast_spell: null spell object passed\n");
…		…
1061	* need to have the right skill pointer passed, so we need to	983	* need to have the right skill pointer passed, so we need to
1062	* at least process that code.	984	* at least process that code.
1063	*/	985	*/
1064	if (op->type == PLAYER && op == caster)	986	if (op->type == PLAYER && op == caster)
1065	{	987	{
1066	cast_level = caster_level (caster, spell_ob);
1067
1068	if (spell_ob->skill)	988	if (spell_ob->skill)
1069	{	989	{
1070	skill = find_skill_by_name (op, spell_ob->skill);	990	skill = find_skill_by_name (op, spell_ob->skill);
1071		991
1072	if (!skill)	992	if (!skill)
1073	{	993	{
1074	op->failmsg (format ("You need the skill %s to cast %s!", &spell_ob->skill, &spell_ob->name));	994	op->failmsgf ("You need the %s skill to cast %s! "
		995	"H<You either need to learn the skill via a skill scroll "
		996	"or you need to wear a talisman, holy symbol or another skill tool.>",
		997	&spell_ob->skill, &spell_ob->name);
1075	return 0;	998	return 0;
1076	}	999	}
1077		1000
1078	if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ))	1001	const char *msg = "";
		1002
		1003	int caster_level = skill->level;
		1004
		1005	if (op->path_attuned & spell_ob->path_attuned)
1079	{	1006	{
		1007	caster_level += min (caster_level, ATTUNE_REPELL);
		1008	msg = " (attuned)";
		1009	}
		1010
		1011	if (op->path_repelled & spell_ob->path_attuned)
		1012	{
		1013	caster_level -= ATTUNE_REPELL; // negative is ok
		1014	msg = " (repelled)";
		1015	}
		1016
		1017	if (spell_ob->level > caster_level)
		1018	{
1080	op->failmsg ("You lack enough skill to cast that spell!");	1019	op->failmsgf ("You lack enough skill to cast that spell! "
		1020	"H<Your effective cast level is %d%s, but level %d is required.>",
		1021	caster_level, msg, spell_ob->level);
		1022	if (!op->is_wiz ())
1081	return 0;	1023	return 0;
1082	}	1024	}
1083	}	1025	}
1084		1026
1085	/* If the caster is the wiz, they don't ever fail, and don't have	1027	/* If the caster is the wiz, they don't ever fail, and don't have
1086	* to have sufficient grace/mana.	1028	* to have sufficient grace/mana.
1087	*/	1029	*/
1088	if (!QUERY_FLAG (op, FLAG_WIZ))	1030	if (!QUERY_FLAG (op, FLAG_WIZCAST))
1089	{	1031	{
1090	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&	1032	if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1091	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)	1033	SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1092	{	1034	{
1093	op->failmsg ("You don't have enough mana!");	1035	op->failmsg ("You don't have enough mana!");
…		…
1101	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)	1043	10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1102	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));	1044	op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1103	else	1045	else
1104	{	1046	{
1105	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);	1047	prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1106	op->failmsg (format ("%s ignores your prayer.", godname));	1048	op->failmsgf ("%s ignores your prayer.", godname);
1107	return 0;	1049	return 0;
1108	}	1050	}
1109	}	1051	}
1110		1052
1111	/* player/monster is trying to cast the spell. might fumble it */	1053	/* player/monster is trying to cast the spell. might fumble it */
1112	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <	1054	if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1113	(spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))	1055	(spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1114	{	1056	{
1115	op->contr->play_sound (sound_find ("fumble_spell"));	1057	op->contr->play_sound (sound_find ("fumble_spell"));
1116	op->failmsg ("You fumble the prayer.");	1058	op->failmsg ("You fumble the prayer.");
1117		1059
1118	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);	1060	op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
…		…
1143	* doing.	1085	* doing.
1144	*/	1086	*/
1145		1087
1146	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!	1088	if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1147	{	1089	{
		1090	op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1148	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");	1091	op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1149	return 0;	1092	return 0;
1150	}	1093	}
1151		1094
1152	if ((spell_ob->type == SPELL)	1095	if ((spell_ob->type == SPELL)
…		…
1158	{	1101	{
1159	if (op->type != PLAYER)	1102	if (op->type != PLAYER)
1160	return 0;	1103	return 0;
1161		1104
1162	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)	1105	if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1163	op->failmsg (format ("This ground is unholy! %s ignores you.", godname));	1106	op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1164	else if (object *item = op->contr->ranged_ob)	1107	else if (object *item = op->contr->ranged_ob)
1165	{	1108	{
1166	if (item->type == SPELL)	1109	if (item->type == SPELL)
1167	op->failmsg ("Something blocks your spellcasting.");	1110	op->failmsg ("Something blocks your spellcasting.");
1168	else if (item->type == SCROLL)	1111	else if (item->type == SCROLL)
…		…
1184	* the player any time.	1127	* the player any time.
1185	* Ignore casting time for firewalls	1128	* Ignore casting time for firewalls
1186	*/	1129	*/
1187	if (caster == op && caster->type != FIREWALL)	1130	if (caster == op && caster->type != FIREWALL)
1188	{	1131	{
1189	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1132	op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1190	/* Other portions of the code may also decrement the speed of the player, so	1133	/* Other portions of the code may also decrement the speed of the player, so
1191	* put a lower limit so that the player isn't stuck here too long	1134	* put a lower limit so that the player isn't stuck here too long
1192	*/	1135	*/
1193	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))	1136	if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1194	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);	1137	op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1195	}	1138	}
1196	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)	1139	else if (caster->type == WAND \|\| caster->type == HORN \|\| caster->type == ROD \|\| caster->type == POTION \|\| caster->type == SCROLL)
1197	op->speed_left -= 2 * FABS (op->speed);	1140	op->speed_left -= 2 * op->speed;
1198		1141
1199	if (op->type == PLAYER && op == caster)	1142	if (op->type == PLAYER && op == caster)
1200	{	1143	{
1201	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);	1144	op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1202	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);	1145	op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
…		…
1209	if (op != caster && !skill && caster->skill)	1152	if (op != caster && !skill && caster->skill)
1210	{	1153	{
1211	skill = find_skill_by_name (op, caster->skill);	1154	skill = find_skill_by_name (op, caster->skill);
1212	if (!skill)	1155	if (!skill)
1213	{	1156	{
1214	op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));	1157	op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1215	return 0;	1158	return 0;
1216	}	1159	}
1217		1160
1218	op->change_skill (skill); /* needed for proper exp credit */	1161	op->change_skill (skill); /* needed for proper exp credit */
1219	}	1162	}
1220		1163
1221	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)))
1222	return RESULT_INT (0);	1165	return RESULT_INT (0);
1223		1166
1224	switch (spell_ob->subtype)	1167	switch (spell_ob->subtype)
1225	{	1168	{
1226	/* The order of case statements is same as the order they show up	1169	/* The order of case statements is same as the order they show up
1227	* in in spells.h.	1170	* in spells.h.
1228	*/	1171	*/
1229	case SP_RAISE_DEAD:	1172	case SP_RAISE_DEAD:
1230	success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);	1173	success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1231	break;	1174	break;
1232		1175
1233	case SP_RUNE:	1176	case SP_RUNE:
1234	success = write_rune (op, caster, spell_ob, dir, stringarg);	1177	success = write_rune (op, caster, spell_ob, dir, spellparam);
1235	break;	1178	break;
1236		1179
1237	case SP_MAKE_MARK:	1180	case SP_MAKE_MARK:
1238	success = write_mark (op, spell_ob, stringarg);	1181	success = write_mark (op, spell_ob, spellparam);
1239	break;	1182	break;
1240		1183
1241	case SP_BOLT:	1184	case SP_BOLT:
1242	success = fire_bolt (op, caster, dir, spell_ob, skill);	1185	success = fire_bolt (op, caster, dir, spell_ob, skill);
1243	break;	1186	break;
…		…
1261	case SP_SMITE:	1204	case SP_SMITE:
1262	success = cast_smite_spell (op, caster, dir, spell_ob);	1205	success = cast_smite_spell (op, caster, dir, spell_ob);
1263	break;	1206	break;
1264		1207
1265	case SP_MAGIC_MISSILE:	1208	case SP_MAGIC_MISSILE:
1266	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1209	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1267	break;	1210	break;
1268		1211
1269	case SP_SUMMON_GOLEM:	1212	case SP_SUMMON_GOLEM:
1270	success = summon_golem (op, caster, dir, spell_ob);	1213	success = summon_golem (op, caster, dir, spell_ob);
1271	break;	1214	break;
1272		1215
1273	case SP_DIMENSION_DOOR:	1216	case SP_DIMENSION_DOOR:
1274	/* dimension door needs the actual caster, because that is what is	1217	/* dimension door needs the actual caster, because that is what is
1275	* moved.	1218	* moved.
1276	*/	1219	*/
1277	success = dimension_door (op, caster, spell_ob, dir);	1220	success = dimension_door (op, caster, spell_ob, dir, spellparam);
1278	break;	1221	break;
1279		1222
1280	case SP_MAGIC_MAPPING:	1223	case SP_MAGIC_MAPPING:
1281	if (op->type == PLAYER)	1224	if (op->type == PLAYER)
1282	{	1225	{
…		…
1315	case SP_HEALING:	1258	case SP_HEALING:
1316	success = cast_heal (op, caster, spell_ob, dir);	1259	success = cast_heal (op, caster, spell_ob, dir);
1317	break;	1260	break;
1318		1261
1319	case SP_CREATE_FOOD:	1262	case SP_CREATE_FOOD:
1320	success = cast_create_food (op, caster, spell_ob, dir, stringarg);	1263	success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1321	break;	1264	break;
1322		1265
1323	case SP_EARTH_TO_DUST:	1266	case SP_EARTH_TO_DUST:
1324	success = cast_earth_to_dust (op, caster, spell_ob);	1267	success = cast_earth_to_dust (op, caster, spell_ob);
1325	break;	1268	break;
…		…
1335	case SP_CURSE:	1278	case SP_CURSE:
1336	success = cast_curse (op, caster, spell_ob, dir);	1279	success = cast_curse (op, caster, spell_ob, dir);
1337	break;	1280	break;
1338		1281
1339	case SP_SUMMON_MONSTER:	1282	case SP_SUMMON_MONSTER:
1340	success = summon_object (op, caster, spell_ob, dir, stringarg);	1283	success = summon_object (op, caster, spell_ob, dir, spellparam);
1341	break;	1284	break;
1342		1285
1343	case SP_CHARGING:	1286	case SP_CHARGING:
1344	success = recharge (op, caster, spell_ob);	1287	success = recharge (op, caster, spell_ob);
1345	break;	1288	break;
…		…
1378	break;	1321	break;
1379		1322
1380	case SP_MOVING_BALL:	1323	case SP_MOVING_BALL:
1381	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)	1324	if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1382	{	1325	{
1383	op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));	1326	op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1384	success = 0;	1327	success = 0;
1385	}	1328	}
1386	else	1329	else
1387	success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob);	1330	success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1388	break;	1331	break;
1389		1332
1390	case SP_SWARM:	1333	case SP_SWARM:
1391	success = fire_swarm (op, caster, spell_ob, dir);	1334	success = fire_swarm (op, caster, spell_ob, dir);
1392	break;	1335	break;
…		…
1399	/* in rune.c */	1342	/* in rune.c */
1400	success = dispel_rune (op, caster, spell_ob, skill, dir);	1343	success = dispel_rune (op, caster, spell_ob, skill, dir);
1401	break;	1344	break;
1402		1345
1403	case SP_CREATE_MISSILE:	1346	case SP_CREATE_MISSILE:
1404	success = cast_create_missile (op, caster, spell_ob, dir, stringarg);	1347	success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1405	break;	1348	break;
1406		1349
1407	case SP_CONSECRATE:	1350	case SP_CONSECRATE:
1408	success = cast_consecrate (op, caster, spell_ob);	1351	success = cast_consecrate (op, caster, spell_ob);
1409	break;	1352	break;
…		…
1431	case SP_AURA:	1374	case SP_AURA:
1432	success = create_aura (op, caster, spell_ob);	1375	success = create_aura (op, caster, spell_ob);
1433	break;	1376	break;
1434		1377
1435	case SP_PARTY_SPELL:	1378	case SP_PARTY_SPELL:
1436	success = cast_party_spell (op, caster, dir, spell_ob, stringarg);	1379	success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1437	break;	1380	break;
1438		1381
1439	default:	1382	default:
1440	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);	1383	LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1441	}	1384	}
…		…
1500	move_aura (op);	1443	move_aura (op);
1501	break;	1444	break;
1502	}	1445	}
1503	}	1446	}
1504		1447
1505	/* this checks to see if something special should happen if
1506	* something runs into the object.
1507	*/
1508	void
1509	check_spell_effect (object *op)
1510	{
1511	switch (op->subtype)
1512	{
1513	case SP_BOLT:
1514	move_bolt (op);
1515	return;
1516
1517	case SP_BULLET:
1518	check_bullet (op);
1519	return;
1520	}
1521	}
1522
1523	/* This is called by move_apply. Basically, if someone	1448	/* This is called by move_apply. Basically, if someone
1524	* moves onto a spell effect and the walk_on or fly_on flags	1449	* moves onto a spell effect and the walk_on or fly_on flags
1525	* are set, this is called. This should only be called for	1450	* are set, this is called. This should only be called for
1526	* objects of the appropraite type.	1451	* objects of the appropriate type.
1527	*/	1452	*/
1528	void	1453	void
1529	apply_spell_effect (object spell, object victim)	1454	apply_spell_effect (object spell, object victim)
1530	{	1455	{
1531	switch (spell->subtype)	1456	switch (spell->subtype)
1532	{	1457	{
1533	case SP_CONE:	1458	case SP_CONE:
1534	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype)	1459	if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->has_active_speed () && spell->attacktype)
1535	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);	1460	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1536	break;	1461	break;
1537		1462
1538	case SP_MAGIC_MISSILE:	1463	case SP_MAGIC_MISSILE:
1539	if (QUERY_FLAG (victim, FLAG_ALIVE))	1464	if (QUERY_FLAG (victim, FLAG_ALIVE))
1540	{	1465	{
1541	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1466	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1542
1543	if (!spell->destroyed ())
1544	spell->destroy ();	1467	spell->destroy ();
1545	}	1468	}
1546	break;	1469	break;
1547		1470
1548	case SP_MOVING_BALL:	1471	case SP_MOVING_BALL:
1549	if (QUERY_FLAG (victim, FLAG_ALIVE))	1472	if (QUERY_FLAG (victim, FLAG_ALIVE))
1550	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);	1473	hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1551	else if (victim->materialname)	1474	else if (victim->material != MATERIAL_NULL)
1552	save_throw_object (victim, spell->attacktype, spell);	1475	save_throw_object (victim, spell->attacktype, spell);
1553	break;
1554	}
1555	}
1556		1476
		1477	break;
		1478	}
		1479	}
		1480
		1481	/**
		1482	* This function will let a fireball explode at the position of
		1483	* the victim with a specific maximum level.
		1484	*/
		1485	void
		1486	create_exploding_ball_at (object *victim, int level)
		1487	{
		1488	object *ball = get_archetype (EXPLODING_FIREBALL);
		1489	ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
		1490	ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
		1491	ball->insert_at (victim);
		1492	}

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Comparing deliantra/server/server/spell_util.C (file contents): Revision 1.63 by root, Thu Nov 8 19:43:29 2007 UTC vs. Revision 1.114 by root, Sat Apr 10 04:54:10 2010 UTC

Diff Legend

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.63 by root, Thu Nov 8 19:43:29 2007 UTC vs.
Revision 1.114 by root, Sat Apr 10 04:54:10 2010 UTC