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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.25 by elmex, Wed Dec 20 11:20:50 2006 UTC vs.
Revision 1.128 by root, Wed Nov 16 23:42:03 2016 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
8 it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
9 the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
10 (at your option) any later version. 11 * option) any later version.
11 12 *
12 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
18 along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
20 21 *
21 The authors can be reached via e-mail at <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22*/ 23 */
23
24 24
25#include <global.h> 25#include <global.h>
26#include <spells.h> 26#include <spells.h>
27#include <object.h> 27#include <object.h>
28#include <errno.h> 28#include <errno.h>
29#ifndef __CEXTRACT__
30# include <sproto.h> 29#include <sproto.h>
31#endif
32#include <sounds.h> 30#include <sounds.h>
33 31
34extern char *spell_mapping[]; 32extern char *spell_mapping[];
35 33
36/* This returns a random spell from 'ob'. If skill is set, then 34/* This returns a random spell from 'ob'. If skill is set, then
37 * the spell must be of this skill, it can be NULL in which case all 35 * the spell must be of this skill, it can be NULL in which case all
38 * matching spells are used. 36 * matching spells are used.
39 */ 37 */
40object * 38object *
41find_random_spell_in_ob (object *ob, const char *skill) 39find_random_spell_in_ob (object *ob, shstr_cmp skill)
42{ 40{
43 int k = 0, s; 41 int k = 0, s;
44 object *tmp;
45 42
46 for (tmp = ob->inv; tmp; tmp = tmp->below) 43 for (object *tmp = ob->inv; tmp; tmp = tmp->below)
47 if (tmp->type == SPELL && (!skill || tmp->skill == skill)) 44 if (tmp->type == SPELL && (!skill || tmp->skill == skill))
48 k++; 45 k++;
49 46
50 /* No spells, no need to progess further */ 47 /* No spells, no need to progess further */
51 if (!k) 48 if (!k)
52 return NULL; 49 return NULL;
53 50
54 s = RANDOM () % k; 51 s = rndm (k);
55 52
56 for (tmp = ob->inv; tmp; tmp = tmp->below) 53 for (object *tmp = ob->inv; tmp; tmp = tmp->below)
57 if (tmp->type == SPELL && (!skill || tmp->skill == skill)) 54 if (tmp->type == SPELL && (!skill || tmp->skill == skill))
58 {
59 if (!s) 55 if (!s)
60 return tmp; 56 return tmp;
61 else 57 else
62 s--; 58 s--;
63 } 59
64 /* Should never get here, but just in case */ 60 /* Should never get here, but just in case */
65 return NULL; 61 return 0;
66} 62}
67 63
68/* Relatively simple function that gets used a lot. 64/* Relatively simple function that gets used a lot.
69 * Basically, it sets up the skill pointer for the spell being 65 * Basically, it sets up the skill pointer for the spell being
70 * cast. If op is really casting the spell, then the skill 66 * cast. If op is really casting the spell, then the skill
… …
80 dest->skill = spob->skill; 76 dest->skill = spob->skill;
81 else 77 else
82 dest->skill = caster->skill; 78 dest->skill = caster->skill;
83} 79}
84 80
85/* init_spells: This should really be called check_spells, as that
86 * is what it does. It goes through the spells looking for any
87 * obvious errors. This was most useful in debugging when re-doing
88 * all the spells to catch simple errors. To use it all the time
89 * will result in it spitting out messages that aren't really errors.
90 */
91void
92init_spells (void)
93{
94#ifdef SPELL_DEBUG
95 static int init_spells_done = 0;
96 int i;
97 archetype *at;
98
99 if (init_spells_done)
100 return;
101 LOG (llevDebug, "Checking spells...\n");
102
103 for (at = first_archetype; at; at = at->next)
104 {
105 if (at->clone.type == SPELL)
106 {
107 if (at->clone.skill)
108 {
109 for (i = 1; i < NUM_SKILLS; i++)
110 if (!strcmp (skill_names[i], at->clone.skill))
111 break;
112 if (i == NUM_SKILLS)
113 {
114 LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
115 }
116 }
117 /* other_arch is already checked for in the loader */
118 }
119 }
120
121 i = 0;
122 while (spell_mapping[i])
123 {
124 if (!archetype::find (spell_mapping[i]))
125 {
126 LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
127 }
128 i++;
129 }
130 LOG (llevDebug, "Checking spells completed.\n");
131#endif
132}
133
134/* Dumps all the spells - now also dumps skill associated with the spell.
135 * not sure what this would be used for, as the data seems pretty
136 * minimal, but easy enough to keep around.
137 */
138void
139dump_spells (void)
140{
141 archetype *at;
142
143 for (at = first_archetype; at; at = at->next)
144 {
145 if (at->clone.type == SPELL)
146 {
147 fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
148 &at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
149 }
150 }
151}
152
153/* pretty basic function - basically just takes 81/* pretty basic function - basically just takes
154 * an object, sets the x,y, and calls insert_ob_in_map 82 * an object, sets the x,y, and calls insert_ob_in_map
155 */ 83 */
156
157void 84void
158spell_effect (object *spob, int x, int y, maptile *map, object *originator) 85spell_effect (object *spob, int x, int y, maptile *map, object *originator)
159{ 86{
160
161 if (spob->other_arch != NULL) 87 if (spob->other_arch)
162 { 88 map->insert (spob->other_arch->instance (), x, y, originator);
163 object *effect = arch_to_object (spob->other_arch);
164
165 effect->x = x;
166 effect->y = y;
167
168 insert_ob_in_map (effect, map, originator, 0);
169 }
170} 89}
171 90
172/* 91static int
173 * This function takes a caster and spell and presents the 92attuned_bonus (object *caster, object *spell, int level)
174 * effective level the caster needs to be to cast the spell.
175 * basically, it just adjusts the spell->level with attuned/repelled
176 * spellpaths. Was called path_level_mod
177 *
178 * caster is person casting hte spell.
179 * spell is the spell object.
180 * Returns modified level.
181 */
182int
183min_casting_level (object *caster, object *spell)
184{ 93{
185 int new_level; 94 // compute the attuned/repelled bonus
186 95 // attuned only increases up to 2 times the original level (i.e. bonus <= level) */
187 if (caster->path_denied & spell->path_attuned) 96 // repell has no such quarrels
188 return 1; 97 return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
189 98 + (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
190 new_level = spell->level
191 + ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
192
193 return (new_level < 1) ? 1 : new_level;
194} 99}
195
196 100
197/* This function returns the effective level the spell 101/* This function returns the effective level the spell
198 * is being cast at. 102 * is being cast at.
199 * Note that I changed the repelled/attuned bonus to 2 from 5.
200 * This is because the new code compares casting_level against
201 * min_caster_level, so the difference is effectively 4
202 */ 103 */
203
204int 104int
205caster_level (object *caster, object *spell) 105casting_level (object *caster, object *spell)
206{ 106{
207 int level = caster->level; 107 int level = caster->level;
208
209 /* If this is a player, try to find the matching skill */
210 if (caster->type == PLAYER && spell->skill)
211 for (int i = 0; i < NUM_SKILLS; i++)
212 if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
213 {
214 level = caster->contr->last_skill_ob[i]->level;
215 break;
216 }
217 108
218 /* 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. */
219 if (caster->type == ROD && caster->env && caster->env->type == PLAYER) 110 if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
220 { 111 {
221 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);
222 int sk_level = skill ? skill->level : 1; 113 int sk_level = skill ? skill->level : 1;
223 114
224 level = MIN (level, sk_level + level / 10 + 1); 115 level = min (level, sk_level + level / 10 + 1);
225 } 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;
226 120
227 /* Got valid caster level. Now adjust for attunement */ 121 int bonus = attuned_bonus (caster, spell, level);
228 level += ((caster->path_repelled & spell->path_attuned) ? -2 : 0) + ((caster->path_attuned & spell->path_attuned) ? 2 : 0); 122
123 level += bonus;
124
125 // now scale the effective level from the startinglevel..100 range to 1..100
126 if (level < 100)
127 level = lerp (level, (int)spell->level, 100, 1, 100);
229 128
230 /* 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
231 * errors in various places. 130 * errors in various places.
232 */ 131 */
233 if (level < 1) 132 return clamp (level, 1, settings.max_level);
234 level = 1;
235
236 return level;
237} 133}
238 134
239/* The following function scales the spellpoint cost of 135/* The following function scales the spellpoint cost of
240 * a spell by it's increased effectiveness. Some of the 136 * a spell by it's increased effectiveness. Some of the
241 * lower level spells become incredibly vicious at high 137 * lower level spells become incredibly vicious at high
… …
245 * caster is what is casting the spell, can be op. 141 * caster is what is casting the spell, can be op.
246 * spell is the spell object. 142 * spell is the spell object.
247 * 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
248 * mana. In that case, we return which ever value is higher. 144 * mana. In that case, we return which ever value is higher.
249 */ 145 */
250
251sint16 146sint16
252SP_level_spellpoint_cost (object *caster, object *spell, int flags) 147SP_level_spellpoint_cost (object *caster, object *spell, int flags)
253{ 148{
254 int sp, grace, level = caster_level (caster, spell); 149 int sp, grace, level = casting_level (caster, spell);
255 150
256 if (settings.spellpoint_level_depend == TRUE) 151 if (settings.spellpoint_level_depend == TRUE)
257 { 152 {
258 if (spell->stats.sp && spell->stats.maxsp) 153 if (spell->stats.sp && spell->stats.maxsp)
259 {
260 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));
261 }
262 else 155 else
263 sp = spell->stats.sp; 156 sp = spell->stats.sp;
264 157
265 sp *= (int) PATH_SP_MULT (caster, spell); 158 sp *= (int) PATH_SP_MULT (caster, spell);
266 if (!sp && spell->stats.sp) 159 if (!sp && spell->stats.sp)
267 sp = 1; 160 sp = 1;
268 161
269 if (spell->stats.grace && spell->stats.maxgrace) 162 if (spell->stats.grace && spell->stats.maxgrace)
270 {
271 grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace))); 163 grace = spell->stats.grace * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxgrace));
272 }
273 else 164 else
274 grace = spell->stats.grace; 165 grace = spell->stats.grace;
275 166
276 grace *= (int) PATH_SP_MULT (caster, spell); 167 grace *= PATH_SP_MULT (caster, spell);
277 if (spell->stats.grace && !grace) 168 if (spell->stats.grace && !grace)
278 grace = 1; 169 grace = 1;
279 } 170 }
280 else 171 else
281 { 172 {
282 sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); 173 sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
283 if (spell->stats.sp && !sp) 174 if (spell->stats.sp && !sp)
284 sp = 1; 175 sp = 1;
176
285 grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); 177 grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
286 if (spell->stats.grace && !grace) 178 if (spell->stats.grace && !grace)
287 grace = 1; 179 grace = 1;
288 } 180 }
181
289 if (flags == SPELL_HIGHEST) 182 if (flags == SPELL_HIGHEST)
290 return MAX (sp, grace); 183 return max (sp, grace);
291 else if (flags == SPELL_GRACE) 184 else if (flags == SPELL_GRACE)
292 return grace; 185 return grace;
293 else if (flags == SPELL_MANA) 186 else if (flags == SPELL_MANA)
294 return sp; 187 return sp;
295 else 188 else
… …
297 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);
298 return 0; 191 return 0;
299 } 192 }
300} 193}
301 194
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 */
200static int
201SP_casting_level (object *caster, object *spell)
202{
203 return casting_level (caster, spell);
204}
302 205
303/* SP_level_dam_adjust: Returns adjusted damage based on the caster. 206/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
304 * spob is the spell we are adjusting. 207 * spob is the spell we are adjusting.
305 */ 208 */
306int 209int
307SP_level_dam_adjust (object *caster, object *spob) 210SP_level_dam_adjust (object *caster, object *spob)
308{ 211{
309 int level = caster_level (caster, spob);
310 int adj = level - min_casting_level (caster, spob);
311
312 if (adj < 0)
313 adj = 0;
314 if (spob->dam_modifier) 212 if (!spob->dam_modifier)
315 adj /= spob->dam_modifier;
316 else
317 adj = 0;
318 return adj; 213 return 0;
214
215 return SP_casting_level (caster, spob) / spob->dam_modifier;
319} 216}
320 217
321/* Adjust the strength of the spell based on level. 218/* Adjust the strength of the spell based on level.
322 * This is basically the same as SP_level_dam_adjust above, 219 * This is basically the same as SP_level_dam_adjust above,
323 * but instead looks at the level_modifier value. 220 * but instead looks at the level_modifier value.
324 */ 221 */
325int 222int
326SP_level_duration_adjust (object *caster, object *spob) 223SP_level_duration_adjust (object *caster, object *spob)
327{ 224{
328 int level = caster_level (caster, spob);
329 int adj = level - min_casting_level (caster, spob);
330
331 if (adj < 0)
332 adj = 0;
333 if (spob->duration_modifier) 225 if (!spob->duration_modifier)
334 adj /= spob->duration_modifier;
335 else
336 adj = 0;
337
338 return adj; 226 return 0;
227
228 return SP_casting_level (caster, spob) / spob->duration_modifier;
339} 229}
340 230
341/* Adjust the strength of the spell based on level. 231/* Adjust the strength of the spell based on level.
342 * This is basically the same as SP_level_dam_adjust above, 232 * This is basically the same as SP_level_dam_adjust above,
343 * but instead looks at the level_modifier value. 233 * but instead looks at the level_modifier value.
344 */ 234 */
345int 235int
346SP_level_range_adjust (object *caster, object *spob) 236SP_level_range_adjust (object *caster, object *spob)
347{ 237{
348 int level = caster_level (caster, spob);
349 int adj = level - min_casting_level (caster, spob);
350
351 if (adj < 0)
352 adj = 0;
353 if (spob->range_modifier) 238 if (!spob->range_modifier)
354 adj /= spob->range_modifier;
355 else
356 adj = 0;
357
358 return adj; 239 return 0;
240
241 return SP_casting_level (caster, spob) / spob->range_modifier;
359} 242}
360 243
361/* 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
362 * as an existing spell, we presume they know it. 245 * as an existing spell, we presume they know it.
363 * 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.
364 */ 247 */
365object * 248object *
366check_spell_known (object *op, const char *name) 249check_spell_known (object *op, shstr_cmp name)
367{ 250{
368 object *spop; 251 object *spop;
369 252
370 for (spop = op->inv; spop; spop = spop->below) 253 for (spop = op->inv; spop; spop = spop->below)
371 if (spop->type == SPELL && !strcmp (spop->name, name)) 254 if (spop->type == SPELL && spop->name == name)
372 return spop; 255 return spop;
373 256
374 return NULL; 257 return 0;
375} 258}
376 259
377 260/*
378/*
379 * Look at object 'op' and see if they know the spell 261 * Look at object 'op' and see if they know the spell
380 * spname. This is pretty close to check_spell_known 262 * spname. This is pretty close to check_spell_known
381 * above, but it uses a looser matching mechanism. 263 * above, but it uses a looser matching mechanism.
382 * returns the matching spell object, or NULL. 264 * returns the matching spell object, or NULL.
383 * If we match multiple spells but don't get an 265 * If we match multiple spells but don't get an
384 * exact match, we also return NULL. 266 * exact match, we also return NULL.
385 */ 267 */
386
387object * 268object *
388lookup_spell_by_name (object *op, const char *spname) 269object::find_spell (const_utf8_string prefix) const
389{ 270{
390 object *spob1 = NULL, *spob2 = NULL, *spob; 271 if (shstr_cmp name = prefix)
391 int nummatch = 0; 272 {
392 273 // case 1, match spell name exactly
393 if (spname == NULL)
394 return NULL;
395
396 /* Try to find the spell. We store the results in spob1
397 * and spob2 - spob1 is only taking the length of
398 * the past spname, spob2 uses the length of the spell name.
399 */
400 for (spob = op->inv; spob; spob = spob->below) 274 for (object *spob = inv; spob; spob = spob->below)
275 if (spob->name == name && spob->type == SPELL)
276 return spob;
401 { 277 }
278 else
279 {
280 // case 2, match prefix
281 int len = strlen (prefix);
282
283 for (object *spob = inv; spob; spob = spob->below)
402 if (spob->type == SPELL) 284 if (spob->type == SPELL
403 { 285 && spob->name.length () < len
404 if (!strncmp (spob->name, spname, strlen (spname))) 286 && prefix [spob->name.length ()] <= ' '
405 { 287 && !memcmp (prefix, spob->name, spob->name.length ()))
406 nummatch++;
407 spob1 = spob;
408 }
409 else if (!strncmp (spob->name, spname, strlen (spob->name)))
410 {
411 /* if spells have ambiguous names, it makes matching
412 * really difficult. (eg, fire and fireball would
413 * fall into this category). It shouldn't be hard to
414 * make sure spell names don't overlap in that fashion.
415 */
416 if (spob2)
417 LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name);
418 spob2 = spob;
419 }
420 }
421 }
422 /* if we have best match, return it. Otherwise, if we have one match
423 * on the loser match, return that, otehrwise null
424 */
425 if (spob2)
426 return spob2; 288 return spob;
427 if (spob1 && nummatch == 1) 289 }
428 return spob1; 290
429 return NULL; 291 return 0;
430} 292}
431 293
432/* reflwall - decides weither the (spell-)object sp_op will 294/* reflwall - decides weither the (spell-)object sp_op will
433 * be reflected from the given mapsquare. Returns 1 if true. 295 * be reflected from the given mapsquare. Returns 1 if true.
434 * (Note that for living creatures there is a small chance that 296 * (Note that for living creatures there is a small chance that
… …
437 * eg, updated for tiled maps. 299 * eg, updated for tiled maps.
438 */ 300 */
439int 301int
440reflwall (maptile *m, int x, int y, object *sp_op) 302reflwall (maptile *m, int x, int y, object *sp_op)
441{ 303{
442 object *op;
443
444 if (OUT_OF_REAL_MAP (m, x, y)) 304 if (OUT_OF_REAL_MAP (m, x, y))
445 return 0; 305 return 0;
306
446 for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above) 307 for (object *op = GET_MAP_OB (m, x, y); op; op = op->above)
447 if (QUERY_FLAG (op, FLAG_REFL_SPELL) 308 if (op->flag [FLAG_REFL_SPELL]
448 && (!QUERY_FLAG (op, FLAG_ALIVE) 309 && (!op->flag [FLAG_ALIVE]
449 || (rndm (0, 99)) < 90 - (sp_op->level / 10))) 310 || (rndm (0, 99)) < 90 - (sp_op->level / 10)))
450 return 1; 311 return 1;
451 312
452 return 0; 313 return 0;
453} 314}
454 315
455/* cast_create_object: creates object new_op in direction dir 316/* cast_create_object: creates object new_op in direction dir
456 * or if that is blocked, beneath the player (op). 317 * or if that is blocked, beneath the player (op).
457 * we pass 'caster', but don't use it for anything. 318 * we pass 'caster', but don't use it for anything.
458 * This is really just a simple wrapper function . 319 * This is really just a simple wrapper function .
459 * returns the direction that the object was actually placed 320 * returns true to indicate whether the operation was successful.
460 * in. 321 * destroys the object is unsuccessful.
461 */ 322 */
462int 323bool
463cast_create_obj (object *op, object *caster, object *new_op, int dir) 324cast_create_obj (object *op, object *caster, object *new_op, int dir)
464{ 325{
465 maptile *m; 326 mapxy pos (op);
466 sint16 sx, sy; 327 pos.move (dir);
467 328
468 if (dir && 329 if (!pos.normalise ()
469 ((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) || 330 || pos->blocks (op) // perversely enough, we check if the palyer can reach that space
470 OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy)))) 331 || !new_op->can_drop_at (pos.m, pos.x, pos.y)
471 { 332 )
472 new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
473 new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
474 dir = 0;
475 } 333 {
476 new_op->x = op->x + freearr_x[dir]; 334 op->failmsg ("Your spell fizzles! H<Something is in the way.>");
477 new_op->y = op->y + freearr_y[dir]; 335 new_op->destroy ();
478 if (dir == 0) 336 return 0;
479 insert_ob_in_map (new_op, op->map, op, INS_BELOW_ORIGINATOR); 337 }
480 else 338
481 insert_ob_in_map (new_op, op->map, op, 0); 339 new_op->set_flag (FLAG_IDENTIFIED);
340
341 pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR);
342
482 return dir; 343 return 1;
344}
345
346static bool
347mergable_owner (object *o1, object *o2)
348{
349 if (o1 == o2)
350 return 1;
351
352 if (!o1 || !o2)
353 return 0;
354
355 if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY])
356 return 0;
357
358 if (o1->is_player () || o2->is_player ())
359 return 0;
360
361 return 1;
483} 362}
484 363
485/* Returns true if it is ok to put spell *op on the space/may provided. 364/* Returns true if it is ok to put spell *op on the space/may provided.
486 * immune_stop is basically the attacktype of the spell (why 365 * immune_stop is basically the attacktype of the spell (why
487 * passed as a different value, not sure of). If immune_stop 366 * passed as a different value, not sure of). If immune_stop
488 * has the AT_MAGIC bit set, and there is a counterwall 367 * has the AT_MAGIC bit set, and there is a counterwall
489 * on the space, the object doesn't get placed. if immune stop 368 * on the space, the object doesn't get placed. if immune stop
490 * does not have AT_MAGIC, then counterwalls do not effect the spell. 369 * does not have AT_MAGIC, then counterwalls do not effect the spell.
491 * 370 */
492 */
493
494int 371int
495ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) 372ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
496{ 373{
497 object *tmp; 374 if (!xy_normalise (m, x, y))
498 int mflags;
499 maptile *mp;
500
501 mp = m;
502 mflags = get_map_flags (m, &mp, x, y, &x, &y);
503
504 if (mflags & P_OUT_OF_MAP)
505 return 0; 375 return 0;
506 376
507 if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y))) 377 mapspace &ms = m->at (x, y);
378 ms.update ();
379
380 if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
508 return 0; 381 return 0;
509 382
510 for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above) 383 int max_effects = 5; // max. number of similar spells per mapspace
384
385 for (object *tmp = ms.top; tmp; tmp = tmp->below)
511 { 386 {
512 /* If there is a counterspell on the space, and this 387 /* If there is a counterspell on the space, and this
513 * object is using magic, don't progress. I believe we could 388 * object is using magic, don't progress. I believe we could
514 * leave this out and let in progress, and other areas of the code 389 * leave this out and let in progress, and other areas of the code
515 * will then remove it, but that would seem to to use more 390 * will then remove it, but that would seem to to use more
516 * resources, and may not work as well if a player is standing 391 * resources, and may not work as well if a player is standing
517 * on top of a counterwall spell (may hit the player before being 392 * on top of a counterwall spell (may hit the player before being
518 * removed.) On the other hand, it may be more dramatic for the 393 * removed.) On the other hand, it may be more dramatic for the
519 * spell to actually hit the counterwall and be sucked up. 394 * spell to actually hit the counterwall and be sucked up.
520 */ 395 */
521 if ((tmp->attacktype & AT_COUNTERSPELL) && 396 if ((tmp->attacktype & AT_COUNTERSPELL)
522 (tmp->type != PLAYER) && !QUERY_FLAG (tmp, FLAG_MONSTER) && 397 && !tmp->flag [FLAG_MONSTER]
523 (tmp->type != WEAPON) && (tmp->type != BOW) && (tmp->type != ARROW) && (tmp->type != GOLEM) && (immune_stop & AT_MAGIC)) 398 && (tmp->type != PLAYER)
399 && (tmp->type != WEAPON)
400 && (tmp->type != BOW)
401 && (tmp->type != ARROW)
402 && (tmp->type != GOLEM)
403 && !tmp->flag [FLAG_IS_FLOOR] // XXX:
404 // we special case floor here because there
405 // are sometimes spell effect floors
406 // which are used to inflict damage
407 // (and those shouldn't go away from
408 // sanctuary) see also: permanent lava
409 && (immune_stop & AT_MAGIC))
524 return 0; 410 return 0;
525 411
526 /* This is to prevent 'out of control' spells. Basically, this
527 * limits one spell effect per space per spell. This is definately
528 * needed for performance reasons, and just for playability I believe.
529 * there are no such things as multispaced spells right now, so
530 * we don't need to worry about the head.
531 */
532 if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
533 return 0;
534
535 /*
536 * Combine similar spell effects into one spell effect. Needed for
537 * performance reasons with meteor swarm and the like, but also for
538 * playability reasons.
539 */
540 if (tmp->arch == op->arch
541 && tmp->type == op->type 412 if (tmp->type == op->type)
542 && tmp->subtype == op->subtype
543 && tmp->owner == op->owner && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
544 { 413 {
545 tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam); 414 if (tmp->subtype == op->subtype
546 tmp->range = MAX (tmp->range, op->range); 415 && tmp->arch == op->arch /* no harm if not comparing by name here */)
547 tmp->duration = MAX (tmp->duration, op->duration); 416 {
417 /* This is to prevent 'out of control' spells. Basically, this
418 * limits one spell effect per space per spell. This is definately
419 * needed for performance reasons, and just for playability I believe.
420 * there are no such things as multispaced spells right now, so
421 * we don't need to worry about the head.
422 */
423 if (tmp->stats.maxhp == op->stats.maxhp)
424 return 0;
425
426 /*
427 * Combine similar spell effects into one spell effect. Needed for
428 * performance reasons with meteor swarm and the like, but also for
429 * playability reasons.
430 */
431 if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
432 if (mergable_owner (tmp, op))
433 {
434 // if same owner, then combine, but reduce advantage of multiple spells
435 max_it (tmp->stats.dam, op->stats.dam);
436 max_it (tmp->range , op->range);
437 max_it (tmp->duration , op->duration);
438 return 0;
439 }
440 }
441
442 // if there are too many spell effects on this space,
443 // then don't allow more of them, for performance reasons.
444 if (tmp->type == SPELL_EFFECT
445 && !--max_effects)
548 return 0; 446 return 0;
549 } 447 }
550 448
551 /* Perhaps we should also put checks in for no magic and unholy 449 /* Perhaps we should also put checks in for no magic and unholy
552 * ground to prevent it from moving along? 450 * ground to prevent it from moving along?
553 */ 451 */
554 } 452 }
453
555 /* If it passes the above tests, it must be OK */ 454 /* If it passes the above tests, it must be OK */
556 return 1; 455 return 1;
557} 456}
558 457
559/* fire_arch_from_position: fires an archetype. 458/* fire_arch_from_position: fires an archetype.
… …
564 * dir: direction to fire in. 463 * dir: direction to fire in.
565 * spell: spell that is being fired. It uses other_arch for the archetype 464 * spell: spell that is being fired. It uses other_arch for the archetype
566 * to fire. 465 * to fire.
567 * returns 0 on failure, 1 on success. 466 * returns 0 on failure, 1 on success.
568 */ 467 */
569
570int 468int
571fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) 469fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
572{ 470{
573 object *tmp;
574 int mflags;
575 maptile *m;
576
577 if (spell->other_arch == NULL) 471 if (!spell->other_arch)
578 return 0; 472 return 0;
579 473
580 m = op->map; 474 object *tmp = spell->other_arch->instance ();
581 mflags = get_map_flags (m, &m, x, y, &x, &y);
582 if (mflags & P_OUT_OF_MAP)
583 {
584 return 0;
585 }
586 475
587 tmp = arch_to_object (spell->other_arch); 476 if (!tmp)
588
589 if (tmp == NULL)
590 return 0; 477 return 0;
591
592 if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
593 {
594 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
595 tmp->destroy ();
596 return 0;
597 }
598 478
599 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); 479 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
600 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); 480 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
601 /* code in time.c uses food for some things, duration for others */ 481 /* code in time.c uses food for some things, duration for others */
602 tmp->stats.food = tmp->duration; 482 tmp->stats.food = tmp->duration;
603 tmp->range = spell->range + SP_level_range_adjust (caster, spell); 483 tmp->range = spell->range + SP_level_range_adjust (caster, spell);
604 tmp->attacktype = spell->attacktype; 484 tmp->attacktype = spell->attacktype;
605 tmp->x = x;
606 tmp->y = y;
607 tmp->direction = dir; 485 tmp->direction = dir;
608 if (op->owner != NULL)
609 tmp->set_owner (op); 486 tmp->set_owner (op);
610 else
611 tmp->set_owner (op);
612 tmp->level = caster_level (caster, spell); 487 tmp->level = casting_level (caster, spell);
613 set_spell_skill (op, caster, spell, tmp); 488 set_spell_skill (op, caster, spell, tmp);
614 489
615 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ 490 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */
616 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) 491 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
617 {
618 if (!tailor_god_spell (tmp, op)) 492 if (!tailor_god_spell (tmp, op))
619 return 0; 493 return 0;
620 } 494
621 if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) 495 if (tmp->flag [FLAG_IS_TURNABLE])
622 SET_ANIMATION (tmp, dir); 496 SET_ANIMATION (tmp, dir);
623 497
624 if ((tmp = insert_ob_in_map (tmp, m, op, 0)) == NULL) 498 if ((tmp = op->map->insert (tmp, x, y, op)))
625 return 1;
626
627 move_spell_effect (tmp); 499 move_spell_effect (tmp);
628 500
629 return 1; 501 return 1;
630} 502}
631
632
633 503
634/***************************************************************************** 504/*****************************************************************************
635 * 505 *
636 * Code related to rods - perhaps better located in another file? 506 * Code related to rods - perhaps better located in another file?
637 * 507 *
638 ****************************************************************************/ 508 ****************************************************************************/
639
640void 509void
641regenerate_rod (object *rod) 510regenerate_rod (object *rod)
642{ 511{
643 if (rod->stats.hp < rod->stats.maxhp) 512 if (rod->stats.hp < rod->stats.maxhp)
644 { 513 rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
645 rod->stats.hp += 1 + rod->stats.maxhp / 10;
646
647 if (rod->stats.hp > rod->stats.maxhp)
648 rod->stats.hp = rod->stats.maxhp;
649 }
650} 514}
651
652 515
653void 516void
654drain_rod_charge (object *rod) 517drain_rod_charge (object *rod)
655{ 518{
656 rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST); 519 rod->stats.hp -= SP_level_spellpoint_cost (rod, rod->inv, SPELL_HIGHEST);
657} 520}
658
659
660
661 521
662/* this function is commonly used to find a friendly target for 522/* this function is commonly used to find a friendly target for
663 * spells such as heal or protection or armour 523 * spells such as heal or protection or armour
664 * op is what is looking for the target (which can be a player), 524 * op is what is looking for the target (which can be a player),
665 * dir is the direction we are looking in. Return object found, or 525 * dir is the direction we are looking in. Return object found, or
666 * NULL if no good object. 526 * NULL if no good object.
667 */ 527 */
668
669object * 528object *
670find_target_for_friendly_spell (object *op, int dir) 529find_target_for_friendly_spell (object *op, int dir)
671{ 530{
672 object *tmp; 531 object *tmp;
673 maptile *m;
674 sint16 x, y;
675 int mflags;
676 532
677 /* I don't really get this block - if op isn't a player or rune, 533 /* I don't really get this block - if op isn't a player or rune,
678 * we then make the owner of this object the target. 534 * we then make the owner of this object the target.
679 * The owner could very well be no where near op. 535 * The owner could very well be no where near op.
680 */ 536 */
… …
682 { 538 {
683 tmp = op->owner; 539 tmp = op->owner;
684 /* If the owner does not exist, or is not a monster, than apply the spell 540 /* If the owner does not exist, or is not a monster, than apply the spell
685 * to the caster. 541 * to the caster.
686 */ 542 */
687 if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER)) 543 if (!tmp || !tmp->flag [FLAG_MONSTER])
688 tmp = op; 544 tmp = op;
689 } 545 }
690 else 546 else
691 { 547 {
692 m = op->map; 548 maptile *m = op->map;
693 x = op->x + freearr_x[dir]; 549 sint16 x = op->x + freearr_x[dir];
694 y = op->y + freearr_y[dir]; 550 sint16 y = op->y + freearr_y[dir];
695
696 mflags = get_map_flags (m, &m, x, y, &x, &y);
697
698 if (mflags & P_OUT_OF_MAP)
699 tmp = NULL;
700 else
701 { 551
702 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 552 tmp = xy_normalise (m, x, y)
703 if (tmp->type == PLAYER) 553 ? m->at (x, y).player ()
704 break; 554 : 0;
705 }
706 } 555 }
556
707 /* didn't find a player there, look in current square for a player */ 557 /* didn't find a player there, look in current square for a player */
708 if (tmp == NULL) 558 if (!tmp)
709 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 559 tmp = op->ms ().player ();
710 {
711 if (tmp->type == PLAYER)
712 break;
713 }
714 560
715 return tmp; 561 return tmp;
716} 562}
717
718
719 563
720/* raytrace: 564/* raytrace:
721 * spell_find_dir(map, x, y, exclude) will search first the center square 565 * spell_find_dir(map, x, y, exclude) will search first the center square
722 * then some close squares in the given map at the given coordinates for 566 * then some close squares in the given map at the given coordinates for
723 * live objects. 567 * live objects.
… …
726 * monsters/generators only. If not, the spell will hunt players only. 570 * monsters/generators only. If not, the spell will hunt players only.
727 * It returns the direction toward the first/closest live object if it finds 571 * It returns the direction toward the first/closest live object if it finds
728 * any, otherwise -1. 572 * any, otherwise -1.
729 * note that exclude can be NULL, in which case all bets are off. 573 * note that exclude can be NULL, in which case all bets are off.
730 */ 574 */
731
732int 575int
733spell_find_dir (maptile *m, int x, int y, object *exclude) 576spell_find_dir (maptile *m, int x, int y, object *exclude)
734{ 577{
735 int i, max = SIZEOFFREE; 578 int i, max = SIZEOFFREE;
736 sint16 nx, ny; 579 sint16 nx, ny;
… …
753 continue; 596 continue;
754 597
755 tmp = GET_MAP_OB (mp, nx, ny); 598 tmp = GET_MAP_OB (mp, nx, ny);
756 599
757 while (tmp != NULL && (((owner_type == PLAYER && 600 while (tmp != NULL && (((owner_type == PLAYER &&
758 !QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) || 601 !tmp->flag [FLAG_MONSTER] && !tmp->flag [FLAG_GENERATOR]) ||
759 (owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude)))) 602 (owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
760 tmp = tmp->above; 603 tmp = tmp->above;
761 604
762 if (tmp != NULL && can_see_monsterP (m, x, y, i)) 605 if (tmp != NULL && can_see_monsterP (m, x, y, i))
763 return freedir[i]; 606 return freedir[i];
764 } 607 }
765 return -1; /* flag for "keep going the way you were" */ 608 return -1; /* flag for "keep going the way you were" */
766} 609}
767
768
769 610
770/* put_a_monster: puts a monster named monstername near by 611/* put_a_monster: puts a monster named monstername near by
771 * op. This creates the treasures for the monsters, and 612 * op. This creates the treasures for the monsters, and
772 * also deals with multipart monsters properly. 613 * also deals with multipart monsters properly.
773 */ 614 */
774 615static void
775void
776put_a_monster (object *op, const char *monstername) 616put_a_monster (object *op, const char *monstername)
777{ 617{
778 object *tmp, *head = NULL, *prev = NULL; 618 object *tmp, *head = NULL, *prev = NULL;
779 archetype *at; 619 archetype *at;
780 int dir; 620 int dir;
… …
786 626
787 /* find a free square nearby 627 /* find a free square nearby
788 * first we check the closest square for free squares 628 * first we check the closest square for free squares
789 */ 629 */
790 630
791 dir = find_first_free_spot (&at->clone, op->map, op->x, op->y); 631 dir = find_first_free_spot (at, op->map, op->x, op->y);
792 if (dir != -1) 632 if (dir != -1)
793 { 633 {
794 /* This is basically grabbed for generate monster. Fixed 971225 to 634 /* This is basically grabbed for generate monster. Fixed 971225 to
795 * insert multipart monsters properly 635 * insert multipart monsters properly
796 */ 636 */
637 //TODO: use expand_tail + ...
797 while (at != NULL) 638 while (at != NULL)
798 { 639 {
799 tmp = arch_to_object (at); 640 tmp = at->instance ();
800 tmp->x = op->x + freearr_x[dir] + at->clone.x; 641 tmp->x = op->x + freearr_x[dir] + at->x;
801 tmp->y = op->y + freearr_y[dir] + at->clone.y; 642 tmp->y = op->y + freearr_y[dir] + at->y;
802 tmp->map = op->map; 643 tmp->map = op->map;
803 if (head) 644 if (head)
804 { 645 {
805 tmp->head = head; 646 tmp->head = head;
806 prev->more = tmp; 647 prev->more = tmp;
807 } 648 }
649
808 if (!head) 650 if (!head)
809 head = tmp; 651 head = tmp;
652
810 prev = tmp; 653 prev = tmp;
654
811 at = at->more; 655 at = (archetype *)at->more;
812 } 656 }
813 657
814 if (head->randomitems) 658 if (head->randomitems)
815 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); 659 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
816 660
817 insert_ob_in_map (head, op->map, op, 0); 661 insert_ob_in_map (head, op->map, op, 0);
818 662
819 /* thought it'd be cool to insert a burnout, too. */ 663 /* thought it'd be cool to insert a burnout, too. */
820 tmp = get_archetype ("burnout"); 664 op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
821 tmp->map = op->map;
822 tmp->x = op->x + freearr_x[dir];
823 tmp->y = op->y + freearr_y[dir];
824 insert_ob_in_map (tmp, op->map, op, 0);
825 } 665 }
826} 666}
827 667
828/* peterm: function which summons hostile monsters and 668/* peterm: function which summons hostile monsters and
829 * places them in nearby squares. 669 * places them in nearby squares.
… …
836 * Note that this is not used by any spells (summon evil monsters 676 * Note that this is not used by any spells (summon evil monsters
837 * use to call this, but best I can tell, that spell/ability was 677 * use to call this, but best I can tell, that spell/ability was
838 * never used. This is however used by various failures on the 678 * never used. This is however used by various failures on the
839 * players part (alchemy, reincarnation, etc) 679 * players part (alchemy, reincarnation, etc)
840 */ 680 */
841
842int 681int
843summon_hostile_monsters (object *op, int n, const char *monstername) 682summon_hostile_monsters (object *op, int n, const char *monstername)
844{ 683{
845 int i; 684 int i;
846 685
… …
856{ 695{
857 int attacktype; 696 int attacktype;
858 int face; 697 int face;
859} ATTACKS[22] = 698} ATTACKS[22] =
860{ 699{
861 {
862 AT_PHYSICAL, 0}, 700 { AT_PHYSICAL, 0},
863 {
864 AT_PHYSICAL, 0}, /*face = explosion */ 701 { AT_PHYSICAL, 0}, /*face = explosion */
865 {
866 AT_PHYSICAL, 0}, 702 { AT_PHYSICAL, 0},
867 {
868 AT_MAGIC, 1}, 703 { AT_MAGIC, 1},
869 {
870 AT_MAGIC, 1}, /* face = last-burnout */ 704 { AT_MAGIC, 1}, /* face = last-burnout */
871 {
872 AT_MAGIC, 1}, 705 { AT_MAGIC, 1},
873 {
874 AT_FIRE, 2}, 706 { AT_FIRE, 2},
875 {
876 AT_FIRE, 2}, /* face = fire.... */ 707 { AT_FIRE, 2}, /* face = fire.... */
877 {
878 AT_FIRE, 2}, 708 { AT_FIRE, 2},
879 {
880 AT_ELECTRICITY, 3}, 709 { AT_ELECTRICITY, 3},
881 {
882 AT_ELECTRICITY, 3}, /* ball_lightning */ 710 { AT_ELECTRICITY, 3}, /* ball_lightning */
883 {
884 AT_ELECTRICITY, 3}, 711 { AT_ELECTRICITY, 3},
885 {
886 AT_COLD, 4}, 712 { AT_COLD, 4},
887 {
888 AT_COLD, 4}, /* face=icestorm */ 713 { AT_COLD, 4}, /* face=icestorm */
889 {
890 AT_COLD, 4}, 714 { AT_COLD, 4},
891 {
892 AT_CONFUSION, 5}, 715 { AT_CONFUSION, 5},
893 {
894 AT_POISON, 7}, 716 { AT_POISON, 7},
895 {
896 AT_POISON, 7}, /* face = acid sphere. generator */ 717 { AT_POISON, 7}, /* face = acid sphere. generator */
897 {
898 AT_POISON, 7}, /* poisoncloud face */ 718 { AT_POISON, 7}, /* poisoncloud face */
899 {
900 AT_SLOW, 8}, 719 { AT_SLOW, 8},
901 {
902 AT_PARALYZE, 9}, 720 { AT_PARALYZE, 9},
903 {
904AT_FEAR, 10}}; 721 { AT_FEAR, 10},
905 722};
906
907 723
908/* shuffle_attack: peterm 724/* shuffle_attack: peterm
909 * This routine shuffles the attack of op to one of the 725 * This routine shuffles the attack of op to one of the
910 * ones in the list. It does this at random. It also 726 * ones in the list. It does this at random. It also
911 * chooses a face appropriate to the attack that is 727 * chooses a face appropriate to the attack that is
… …
934 { 750 {
935 SET_ANIMATION (op, ATTACKS[i].face); 751 SET_ANIMATION (op, ATTACKS[i].face);
936 } 752 }
937} 753}
938 754
939
940/* prayer_failure: This is called when a player fails 755/* prayer_failure: This is called when a player fails
941 * at casting a prayer. 756 * at casting a prayer.
942 * op is the player. 757 * op is the player.
943 * failure is basically how much grace they had. 758 * failure is basically how much grace they had.
944 * power is how much grace the spell would normally take to cast. 759 * power is how much grace the spell would normally take to cast.
945 */ 760 */
946 761
947void 762#define HINT_GRACE " H<Make sure you always have enough grace points for your prayers.>"
763
764static void
948prayer_failure (object *op, int failure, int power) 765prayer_failure (object *op, int failure, int power)
949{ 766{
950 const char *godname; 767 const char *godname;
951 object *tmp; 768 object *tmp;
952 769
953 if (!strcmp ((godname = determine_god (op)), "none")) 770 if (!strcmp ((godname = determine_god (op)), "none"))
954 godname = "Your spirit"; 771 godname = "Your spirit";
955 772
956 if (failure <= -20 && failure > -40) /* wonder */ 773 if (failure <= -20 && failure > -40) /* wonder */
957 { 774 {
958 new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname); 775 op->failmsgf ("%s gives a sign to renew your faith." HINT_GRACE, godname);
959 tmp = get_archetype (SPELL_WONDER); 776 tmp = archetype::get (SPELL_WONDER);
960 cast_cone (op, op, 0, tmp); 777 cast_cone (op, op, 0, tmp);
961 tmp->destroy (); 778 tmp->destroy ();
962 } 779 }
963 780
964 else if (failure <= -40 && failure > -60) /* confusion */ 781 else if (failure <= -40 && failure > -60) /* confusion */
965 { 782 {
966 new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!"); 783 op->failmsg ("Your diety touches your mind!" HINT_GRACE);
967 confuse_player (op, op, 99); 784 confuse_player (op, op, 99);
968 } 785 }
969 else if (failure <= -60 && failure > -150) /* paralysis */ 786 else if (failure <= -60 && failure > -150) /* paralysis */
970 { 787 {
971 new_draw_info_format (NDI_UNIQUE, 0, op, "%s requires you to pray NOW.", godname); 788 op->failmsgf ("%s requires you to pray NOW. "
972 new_draw_info (NDI_UNIQUE, 0, op, "You comply, ignoring all else."); 789 "You comply, ignoring all else." HINT_GRACE,
790 godname);
973 paralyze_player (op, op, 99); 791 paralyze_player (op, op, 99);
974 } 792 }
975 else if (failure <= -150) /* blast the immediate area */ 793 else if (failure <= -150) /* blast the immediate area */
976 { 794 {
977 tmp = get_archetype (GOD_POWER); 795 tmp = archetype::get (GOD_POWER);
978 new_draw_info_format (NDI_UNIQUE, 0, op, "%s smites you!", godname); 796 op->failmsgf ("%s smites you!" HINT_GRACE, godname);
979 cast_magic_storm (op, tmp, power); 797 cast_magic_storm (op, tmp, power);
980 } 798 }
981} 799}
982 800
983/* 801/*
984 * spell_failure() handles the various effects for differing degrees 802 * spell_failure() handles the various effects for differing degrees
985 * of failure badness. 803 * of failure badness.
986 * op is the player that failed. 804 * op is the player that failed.
987 * failure is a random value of how badly you failed. 805 * failure is a random value of how badly you failed.
988 * power is how many spellpoints you'd normally need for the spell. 806 * power is how many spellpoints you'd normally need for the spell.
989 * skill is the skill you'd need to cast the spell. 807 * skill is the skill you'd need to cast the spell.
990 */ 808 */
991
992void 809void
993spell_failure (object *op, int failure, int power, object *skill) 810spell_failure (object *op, int failure, int power, object *skill)
994{ 811{
995 object *tmp; 812 object *tmp;
996 813
997 if (settings.spell_failure_effects == FALSE) 814 if (settings.spell_failure_effects == FALSE)
998 return; 815 return;
999 816
1000 if (failure <= -20 && failure > -40) /* wonder */ 817 if (failure <= -20 && failure > -40) /* wonder */
1001 { 818 {
1002 new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect."); 819 op->failmsg ("Your spell causes an unexpected effect.");
1003 tmp = get_archetype (SPELL_WONDER); 820 tmp = archetype::get (SPELL_WONDER);
1004 cast_cone (op, op, 0, tmp); 821 cast_cone (op, op, 0, tmp);
1005 tmp->destroy (); 822 tmp->destroy ();
1006 } 823 }
1007 824
1008 else if (failure <= -40 && failure > -60) /* confusion */ 825 else if (failure <= -40 && failure > -60) /* confusion */
1009 { 826 {
1010 new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!"); 827 op->failmsg ("Your magic recoils on you, making you confused!");
1011 confuse_player (op, op, 99); 828 confuse_player (op, op, 99);
1012 } 829 }
1013 else if (failure <= -60 && failure > -80) /* paralysis */ 830 else if (failure <= -60 && failure > -80) /* paralysis */
1014 { 831 {
1015 new_draw_info (NDI_UNIQUE, 0, op, "Your magic stuns you!"); 832 op->failmsg ("Your magic stuns you!");
1016 paralyze_player (op, op, 99); 833 paralyze_player (op, op, 99);
1017 } 834 }
1018 else if (failure <= -80) /* blast the immediate area */ 835 else if (failure <= -80) /* blast the immediate area */
1019 { 836 {
1020 object *tmp; 837 object *tmp;
1021 838
1022 /* Safety check to make sure we don't get any mana storms in scorn */ 839 /* Safety check to make sure we don't get any mana storms in scorn */
1023 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC) 840 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)
1024 { 841 {
1025 new_draw_info (NDI_UNIQUE, 0, op, "The magic warps and you are turned inside out!"); 842 op->failmsg ("The magic warps and you are turned inside out!");
1026 hit_player (op, 9998, op, AT_INTERNAL, 1); 843 hit_player (op, 9998, op, AT_INTERNAL, 1);
1027 844
1028 } 845 }
1029 else 846 else
1030 { 847 {
1031 new_draw_info (NDI_UNIQUE, 0, op, "You lose control of the mana! The uncontrolled magic blasts you!"); 848 op->failmsg ("You lose control of the mana! The uncontrolled magic blasts you!");
1032 tmp = get_archetype (LOOSE_MANA); 849 tmp = archetype::get (LOOSE_MANA);
1033 tmp->level = skill->level; 850 tmp->level = skill->level;
1034 tmp->x = op->x;
1035 tmp->y = op->y;
1036 851
1037 /* increase the area of destruction a little for more powerful spells */ 852 /* increase the area of destruction a little for more powerful spells */
1038 tmp->range += isqrt (power); 853 tmp->range += isqrt (power);
1039 854
1040 if (power > 25) 855 if (power > 25)
1041 tmp->stats.dam = 25 + isqrt (power); 856 tmp->stats.dam = 25 + isqrt (power);
1042 else 857 else
1043 tmp->stats.dam = power; /* nasty recoils! */ 858 tmp->stats.dam = power; /* nasty recoils! */
1044 859
1045 tmp->stats.maxhp = tmp->count; 860 tmp->stats.maxhp = tmp->count;
1046 insert_ob_in_map (tmp, op->map, NULL, 0); 861
862 tmp->insert_at (op);
1047 } 863 }
1048 } 864 }
1049} 865}
1050 866
1051int 867static int
1052cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg) 868cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1053{ 869{
1054 int success;
1055 player *pl;
1056 object *spell;
1057
1058 if (!spell_ob->other_arch) 870 if (!spell_ob->other_arch)
1059 { 871 {
1060 LOG (llevError, "cast_party_spell: empty other arch\n"); 872 LOG (llevError, "cast_party_spell: empty other arch\n");
1061 return 0; 873 return 0;
1062 } 874 }
1063 spell = arch_to_object (spell_ob->other_arch); 875
876 object *spell = spell_ob->other_arch->instance ();
1064 877
1065 /* Always cast spell on caster */ 878 /* Always cast spell on caster */
1066 success = cast_spell (op, caster, dir, spell, stringarg); 879 int success = cast_spell (op, caster, dir, spell, spellparam);
1067 880
1068 if (caster->contr->party == NULL) 881 if (!op->contr || !op->contr->party)
1069 { 882 {
1070 spell->remove (); 883 spell->remove ();
1071 return success; 884 return success;
1072 } 885 }
1073 for (pl = first_player; pl != NULL; pl = pl->next) 886
1074 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster))) 887 for_all_players (pl)
1075 { 888 if ((pl->ob->contr->party == op->contr->party)
889 && on_same_map (pl->ob, op)
890 && pl->ob != op)
1076 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg); 891 cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1077 } 892
1078 spell->remove (); 893 spell->remove ();
1079 return success; 894 return success;
1080} 895}
1081 896
1082/* This is where the main dispatch when someone casts a spell. 897/* This is where the main dispatch when someone casts a spell.
… …
1087 * same as op. 902 * same as op.
1088 * dir is the direction to cast in. Note in some cases, if the spell 903 * dir is the direction to cast in. Note in some cases, if the spell
1089 * is self only, dir really doesn't make a difference. 904 * is self only, dir really doesn't make a difference.
1090 * spell_ob is the spell object that is being cast. From that, 905 * spell_ob is the spell object that is being cast. From that,
1091 * we can determine what to do. 906 * we can determine what to do.
1092 * stringarg is any options that are being used. It can be NULL. Almost 907 * spellparam is any options that are being used. It can be NULL. Almost
1093 * certainly, only players will set it. It is basically used as optional 908 * certainly, only players will set it. It is basically used as optional
1094 * parameters to a spell (eg, item to create, information for marking runes, 909 * parameters to a spell (eg, item to create, information for marking runes,
1095 * etc. 910 * etc.
1096 * returns 1 on successful cast, or 0 on error. These values should really 911 * returns 1 on successful cast, or 0 on error. These values should really
1097 * be swapped, so that 0 is successful, and non zero is failure, with a code 912 * be swapped, so that 0 is successful, and non zero is failure, with a code
… …
1104 * 919 *
1105 * if it is a player casting the spell (op->type == PLAYER, op == caster), 920 * if it is a player casting the spell (op->type == PLAYER, op == caster),
1106 * this function will decrease the mana/grace appropriately. For other 921 * this function will decrease the mana/grace appropriately. For other
1107 * objects, the caller should do what it considers appropriate. 922 * objects, the caller should do what it considers appropriate.
1108 */ 923 */
1109
1110int 924int
1111cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg) 925cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1112{ 926{
1113 const char *godname; 927 const char *godname;
1114 int success = 0, mflags, cast_level = 0, old_shoottype; 928 int success = 0;
1115 object *skill = NULL;
1116 929
1117 old_shoottype = op->contr ? op->contr->shoottype : 0; 930 // make sure spells always take a while, so a) we don't flood the
931 // user with messages and b) too many failures can be harmful (smiting).
932 op->speed_left -= 4 * op->speed; // ~0.5s on failure
1118 933
1119 if (!spell_ob) 934 if (!spell_ob)
1120 { 935 {
1121 LOG (llevError, "cast_spell: null spell object passed\n"); 936 LOG (llevError, "cast_spell: null spell object passed\n");
1122 return 0; 937 return 0;
… …
1133 } 948 }
1134 949
1135 /* if caster is a spell casting object, this normally shouldn't be 950 /* if caster is a spell casting object, this normally shouldn't be
1136 * an issue, because they don't have any spellpaths set up. 951 * an issue, because they don't have any spellpaths set up.
1137 */ 952 */
1138 if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST)) 953 if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST])
1139 { 954 {
1140 new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you."); 955 op->failmsg ("That spell path is denied to you.");
1141 return 0; 956 return 0;
1142 } 957 }
958
959 object *skill = 0;
1143 960
1144 /* if it is a player casting the spell, and they are really casting it 961 /* if it is a player casting the spell, and they are really casting it
1145 * (vs it coming from a wand, scroll, or whatever else), do some 962 * (vs it coming from a wand, scroll, or whatever else), do some
1146 * checks. We let monsters do special things - eg, they 963 * checks. We let monsters do special things - eg, they
1147 * don't need the skill, bypass level checks, etc. The monster function 964 * don't need the SKILL, BYpass level checks, etc. The monster function
1148 * should take care of that. 965 * should take care of that.
1149 * Remove the wiz check here and move it further down - some spells 966 * Remove the wiz check here and move it further down - some spells
1150 * need to have the right skill pointer passed, so we need to 967 * need to have the right skill pointer passed, so we need to
1151 * at least process that code. 968 * at least process that code.
1152 */ 969 */
1153 if (op->type == PLAYER && op == caster) 970 if (op->type == PLAYER && op == caster)
1154 { 971 {
1155 cast_level = caster_level (caster, spell_ob);
1156 if (spell_ob->skill) 972 if (spell_ob->skill)
1157 { 973 {
1158 skill = find_skill_by_name (op, spell_ob->skill); 974 skill = find_skill_by_name (op, spell_ob->skill);
975
1159 if (!skill) 976 if (!skill)
1160 { 977 {
1161 new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name); 978 op->failmsgf ("You need the %s skill to cast %s! "
979 "H<You either need to learn the skill via a skill scroll "
980 "or you need to wear a talisman, holy symbol or another skill tool.>",
981 &spell_ob->skill, &spell_ob->name);
1162 return 0; 982 return 0;
1163 } 983 }
1164 if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) 984
985 const char *msg = "";
986
987 int caster_level = skill->level;
988
989 if (op->path_attuned & spell_ob->path_attuned)
1165 { 990 {
1166 new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell."); 991 caster_level += min (caster_level, ATTUNE_REPELL);
992 msg = " (attuned)";
993 }
994
995 if (op->path_repelled & spell_ob->path_attuned)
996 {
997 caster_level -= ATTUNE_REPELL; // negative is ok
998 msg = " (repelled)";
999 }
1000
1001 if (spell_ob->level > caster_level)
1002 {
1003 op->failmsgf ("You lack enough skill to cast that spell! "
1004 "H<Your effective cast level is %d%s, but level %d is required.>",
1005 caster_level, msg, spell_ob->level);
1006 if (!op->is_wiz ())
1167 return 0; 1007 return 0;
1168 } 1008 }
1169 } 1009 }
1010
1170 /* If the caster is the wiz, they don't ever fail, and don't have 1011 /* If the caster is the wiz, they don't ever fail, and don't have
1171 * to have sufficient grace/mana. 1012 * to have sufficient grace/mana.
1172 */ 1013 */
1173 if (!QUERY_FLAG (op, FLAG_WIZ)) 1014 if (!op->flag [FLAG_WIZCAST])
1174 { 1015 {
1175 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) && 1016 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1176 SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp) 1017 SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1177 { 1018 {
1178 new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana."); 1019 op->failmsg ("You don't have enough mana!");
1179 return 0; 1020 return 0;
1180 } 1021 }
1022
1181 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) && 1023 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1182 SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace) 1024 SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1183 { 1025 {
1184 if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace - 1026 if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1185 10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0) 1027 10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1186 {
1187 new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname); 1028 op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1188 }
1189 else 1029 else
1190 { 1030 {
1191 prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace); 1031 prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1192 new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname); 1032 op->failmsgf ("%s ignores your prayer.", godname);
1193 return 0; 1033 return 0;
1194 } 1034 }
1195 } 1035 }
1196 1036
1197 /* player/monster is trying to cast the spell. might fumble it */ 1037 /* player/monster is trying to cast the spell. might fumble it */
1198 if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) < 1038 if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1199 (spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis])) 1039 (spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1200 { 1040 {
1201 play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0); 1041 op->contr->play_sound (sound_find ("fumble_spell"));
1202 new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell."); 1042 op->failmsg ("You fumble the prayer.");
1203 if (settings.casting_time == TRUE) 1043
1204 {
1205 op->casting_time = -1;
1206 }
1207 op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW); 1044 op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1208 return 0; 1045 return 0;
1209 } 1046 }
1210 else if (spell_ob->stats.sp) 1047 else if (spell_ob->stats.sp)
1211 { 1048 {
1212 int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35; 1049 int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1213 1050
1214 if (failure < 0) 1051 if (failure < 0)
1215 { 1052 {
1216 new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use."); 1053 op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1217 if (settings.spell_failure_effects == TRUE) 1054 if (settings.spell_failure_effects == TRUE)
1218 spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill); 1055 spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1219 op->contr->shoottype = (rangetype) old_shoottype; 1056
1220 op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW); 1057 op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1221 return 0; 1058 return 0;
1222 } 1059 }
1223 } 1060 }
1224 } 1061 }
1225 } 1062 }
1226 1063
1227 mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL); 1064 int mflags = op->ms ().flags ();
1228 1065
1229 /* See if we can cast a spell here. If the caster and op are 1066 /* See if we can cast a spell here. If the caster and op are
1230 * not alive, then this would mean that the mapmaker put the 1067 * not alive, then this would mean that the mapmaker put the
1231 * objects on the space - presume that they know what they are 1068 * objects on the space - presume that they know what they are
1232 * doing. 1069 * doing.
1233 */ 1070 */
1234 1071
1235 if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)! 1072 if ((mflags & P_SAFE) && !op->flag [FLAG_WIZCAST]) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1236 { 1073 {
1074 op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1237 new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!."); 1075 op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1238 return 0; 1076 return 0;
1239 } 1077 }
1240 1078
1241 if ((spell_ob->type == SPELL) 1079 if ((spell_ob->type == SPELL)
1242 && (caster->type != POTION) 1080 && (caster->type != POTION)
1243 && !QUERY_FLAG (op, FLAG_WIZCAST) 1081 && !op->flag [FLAG_WIZCAST]
1244 && (QUERY_FLAG (caster, FLAG_ALIVE) 1082 && (caster->flag [FLAG_ALIVE]
1245 || QUERY_FLAG (op, FLAG_ALIVE)) 1083 || op->flag [FLAG_ALIVE])
1246 && (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace))) 1084 && (((mflags & P_NO_MAGIC) && spell_ob->stats.sp) || ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)))
1247 { 1085 {
1248 if (op->type != PLAYER) 1086 if (op->type != PLAYER)
1249 return 0; 1087 return 0;
1250 1088
1251 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace) 1089 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1252 new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname); 1090 op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1253 else 1091 else if (object *item = op->contr->ranged_ob)
1254 switch (op->contr->shoottype)
1255 { 1092 {
1256 case range_magic: 1093 if (item->type == SPELL)
1257 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting."); 1094 op->failmsg ("Something blocks your spellcasting.");
1258 break; 1095 else if (item->type == SCROLL)
1259 case range_misc: 1096 op->failmsg ("Something blocks the magic of your scroll.");
1260 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item.");
1261 break;
1262 case range_golem:
1263 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll.");
1264 break;
1265 default:
1266 break;
1267 }
1268 return 0;
1269 }
1270
1271 if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1272 {
1273 if (op->casting_time == -1)
1274 { /* begin the casting */
1275 op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1276 op->spell = spell_ob;
1277 /* put the stringarg into the object struct so that when the
1278 * spell is actually cast, it knows about the stringarg.
1279 * necessary for the invoke command spells.
1280 */
1281 if (stringarg)
1282 {
1283 op->spellarg = strdup (stringarg);
1284 }
1285 else 1097 else
1286 op->spellarg = NULL; 1098 op->failmsg ("Something blocks the magic of your item.");
1287 return 0;
1288 }
1289 else if (op->casting_time != 0)
1290 {
1291 if (op->type == PLAYER)
1292 new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1293 return 0;
1294 } 1099 }
1295 else 1100 else
1296 { /* casting_time == 0 */ 1101 op->failmsg ("Something blocks the spell!");
1297 op->casting_time = -1; 1102
1298 spell_ob = op->spell; 1103 return 0;
1299 stringarg = op->spellarg;
1300 }
1301 }
1302 else
1303 { 1104 }
1105
1106 // undo the flood protection from earlier
1107 op->speed_left += 4 * op->speed; // ~0.5s on failure
1108
1304 /* Take into account how long it takes to cast the spell. 1109 /* Take into account how long it takes to cast the spell.
1305 * if the player is casting it, then we use the time in 1110 * if the player is casting it, then we use the time in
1306 * the spell object. If it is a spell object, have it 1111 * the spell object. If it is a spell object, have it
1307 * take two ticks. Things that cast spells on the players 1112 * take two ticks. Things that cast spells on the players
1308 * behalf (eg, altars, and whatever else) shouldn't cost 1113 * behalf (eg, altars, and whatever else) shouldn't cost
1309 * the player any time. 1114 * the player any time.
1310 * Ignore casting time for firewalls 1115 * Ignore casting time for firewalls
1116 */
1117 if (caster == op && caster->type != FIREWALL)
1118 {
1119 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1120 /* Other portions of the code may also decrement the speed of the player, so
1121 * put a lower limit so that the player isn't stuck here too long
1311 */ 1122 */
1312 if (caster == op && caster->type != FIREWALL)
1313 {
1314 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1315 /* Other portions of the code may also decrement the speed of the player, so
1316 * put a lower limit so that the player isn't stuck here too long
1317 */
1318 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed)) 1123 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1319 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); 1124 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1320 } 1125 }
1321 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL) 1126 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1322 {
1323 op->speed_left -= 2 * FABS (op->speed); 1127 op->speed_left -= 2 * op->speed;
1324 }
1325 }
1326 1128
1327 if (op->type == PLAYER && op == caster) 1129 if (op->type == PLAYER && op == caster)
1328 { 1130 {
1329 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE); 1131 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1330 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA); 1132 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
… …
1335 * object requires. 1137 * object requires.
1336 */ 1138 */
1337 if (op != caster && !skill && caster->skill) 1139 if (op != caster && !skill && caster->skill)
1338 { 1140 {
1339 skill = find_skill_by_name (op, caster->skill); 1141 skill = find_skill_by_name (op, caster->skill);
1142
1340 if (!skill) 1143 if (!skill)
1341 { 1144 {
1342 new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster)); 1145 op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1343 return 0; 1146 return 0;
1344 } 1147 }
1345 change_skill (op, skill, 0); /* needed for proper exp credit */
1346 } 1148 }
1149
1150 if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
1151 return RESULT_INT (0);
1152
1153 // temporaroly replace chosen_skill by skill, we assume skill *could* be applied,
1154 // at least temporarily, which might not be true due to slot restrictions, but hey
1155 // invoke requires it basically.
1156
1157 object *chosen_skill = op->chosen_skill;
1158 op->chosen_skill = skill;
1347 1159
1348 switch (spell_ob->subtype) 1160 switch (spell_ob->subtype)
1349 { 1161 {
1350 /* The order of case statements is same as the order they show up 1162 /* The order of case statements is same as the order they show up
1351 * in in spells.h. 1163 * in spells.h.
1352 */ 1164 */
1353 case SP_RAISE_DEAD: 1165 case SP_RAISE_DEAD:
1354 success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg); 1166 success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1355 break; 1167 break;
1356 1168
1357 case SP_RUNE: 1169 case SP_RUNE:
1358 success = write_rune (op, caster, spell_ob, dir, stringarg); 1170 success = write_rune (op, caster, spell_ob, dir, spellparam);
1359 break; 1171 break;
1360 1172
1361 case SP_MAKE_MARK: 1173 case SP_MAKE_MARK:
1362 success = write_mark (op, spell_ob, stringarg); 1174 success = write_mark (op, spell_ob, spellparam);
1363 break; 1175 break;
1364 1176
1365 case SP_BOLT: 1177 case SP_BOLT:
1366 success = fire_bolt (op, caster, dir, spell_ob, skill); 1178 success = fire_bolt (op, caster, dir, spell_ob, skill);
1367 break; 1179 break;
… …
1385 case SP_SMITE: 1197 case SP_SMITE:
1386 success = cast_smite_spell (op, caster, dir, spell_ob); 1198 success = cast_smite_spell (op, caster, dir, spell_ob);
1387 break; 1199 break;
1388 1200
1389 case SP_MAGIC_MISSILE: 1201 case SP_MAGIC_MISSILE:
1390 success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); 1202 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1391 break; 1203 break;
1392 1204
1393 case SP_SUMMON_GOLEM: 1205 case SP_SUMMON_GOLEM:
1394 success = summon_golem (op, caster, dir, spell_ob); 1206 success = summon_golem (op, caster, dir, spell_ob);
1395 old_shoottype = range_golem;
1396 break; 1207 break;
1397 1208
1398 case SP_DIMENSION_DOOR: 1209 case SP_DIMENSION_DOOR:
1399 /* dimension door needs the actual caster, because that is what is 1210 /* dimension door needs the actual caster, because that is what is
1400 * moved. 1211 * moved.
1401 */ 1212 */
1402 success = dimension_door (op, caster, spell_ob, dir); 1213 success = dimension_door (op, caster, spell_ob, dir, spellparam);
1403 break; 1214 break;
1404 1215
1405 case SP_MAGIC_MAPPING: 1216 case SP_MAGIC_MAPPING:
1406 if (op->type == PLAYER) 1217 if (op->type == PLAYER)
1407 { 1218 {
… …
1440 case SP_HEALING: 1251 case SP_HEALING:
1441 success = cast_heal (op, caster, spell_ob, dir); 1252 success = cast_heal (op, caster, spell_ob, dir);
1442 break; 1253 break;
1443 1254
1444 case SP_CREATE_FOOD: 1255 case SP_CREATE_FOOD:
1445 success = cast_create_food (op, caster, spell_ob, dir, stringarg); 1256 success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1446 break; 1257 break;
1447 1258
1448 case SP_EARTH_TO_DUST: 1259 case SP_EARTH_TO_DUST:
1449 success = cast_earth_to_dust (op, caster, spell_ob); 1260 success = cast_earth_to_dust (op, caster, spell_ob);
1450 break; 1261 break;
… …
1460 case SP_CURSE: 1271 case SP_CURSE:
1461 success = cast_curse (op, caster, spell_ob, dir); 1272 success = cast_curse (op, caster, spell_ob, dir);
1462 break; 1273 break;
1463 1274
1464 case SP_SUMMON_MONSTER: 1275 case SP_SUMMON_MONSTER:
1465 success = summon_object (op, caster, spell_ob, dir, stringarg); 1276 success = summon_object (op, caster, spell_ob, dir, spellparam);
1466 break; 1277 break;
1467 1278
1468 case SP_CHARGING: 1279 case SP_CHARGING:
1469 success = recharge (op, caster, spell_ob); 1280 success = recharge (op, caster, spell_ob);
1470 break; 1281 break;
… …
1473#ifdef NO_POLYMORPH 1284#ifdef NO_POLYMORPH
1474 /* Not great, but at least provide feedback so if players do have 1285 /* Not great, but at least provide feedback so if players do have
1475 * polymorph (ie, find it as a preset item or left over from before 1286 * polymorph (ie, find it as a preset item or left over from before
1476 * it was disabled), they get some feedback. 1287 * it was disabled), they get some feedback.
1477 */ 1288 */
1478 new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles"); 1289 op->failmsg ("The spell fizzles!");
1479 success = 0; 1290 success = 0;
1480#else 1291#else
1481 success = cast_polymorph (op, caster, spell_ob, dir); 1292 success = cast_polymorph (op, caster, spell_ob, dir);
1482#endif 1293#endif
1483 break; 1294 break;
… …
1503 break; 1314 break;
1504 1315
1505 case SP_MOVING_BALL: 1316 case SP_MOVING_BALL:
1506 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled) 1317 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1507 { 1318 {
1508 new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name); 1319 op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1509 success = 0; 1320 success = 0;
1510 } 1321 }
1511 else 1322 else
1512 success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); 1323 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1513 break; 1324 break;
1514 1325
1515 case SP_SWARM: 1326 case SP_SWARM:
1516 success = fire_swarm (op, caster, spell_ob, dir); 1327 success = fire_swarm (op, caster, spell_ob, dir);
1517 break; 1328 break;
… …
1524 /* in rune.c */ 1335 /* in rune.c */
1525 success = dispel_rune (op, caster, spell_ob, skill, dir); 1336 success = dispel_rune (op, caster, spell_ob, skill, dir);
1526 break; 1337 break;
1527 1338
1528 case SP_CREATE_MISSILE: 1339 case SP_CREATE_MISSILE:
1529 success = cast_create_missile (op, caster, spell_ob, dir, stringarg); 1340 success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1530 break; 1341 break;
1531 1342
1532 case SP_CONSECRATE: 1343 case SP_CONSECRATE:
1533 success = cast_consecrate (op, caster, spell_ob); 1344 success = cast_consecrate (op, caster, spell_ob);
1534 break; 1345 break;
1535 1346
1536 case SP_ANIMATE_WEAPON: 1347 case SP_ANIMATE_WEAPON:
1537 success = animate_weapon (op, caster, spell_ob, dir); 1348 success = animate_weapon (op, caster, spell_ob, dir);
1538 old_shoottype = range_golem;
1539 break; 1349 break;
1540 1350
1541 case SP_LIGHT: 1351 case SP_LIGHT:
1542 success = cast_light (op, caster, spell_ob, dir); 1352 success = cast_light (op, caster, spell_ob, dir);
1543 break; 1353 break;
… …
1556 1366
1557 case SP_AURA: 1367 case SP_AURA:
1558 success = create_aura (op, caster, spell_ob); 1368 success = create_aura (op, caster, spell_ob);
1559 break; 1369 break;
1560 1370
1561 case SP_TOWN_PORTAL:
1562 success = cast_create_town_portal (op, caster, spell_ob, dir);
1563 break;
1564
1565 case SP_PARTY_SPELL: 1371 case SP_PARTY_SPELL:
1566 success = cast_party_spell (op, caster, dir, spell_ob, stringarg); 1372 success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1567 break; 1373 break;
1568 1374
1569 default: 1375 default:
1570 if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1571 LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype); 1376 LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1572 }
1573
1574 /* FIXME - we need some better sound suppport */
1575 // yes, for example, augment map info with the spell effect
1576 // so clients can calculate the sounds themselves
1577 //play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1578
1579 /* free the spell arg */
1580 if (settings.casting_time == TRUE && stringarg)
1581 { 1377 }
1582 free (stringarg); 1378
1583 stringarg = NULL; 1379 // restore chosen_skill
1584 } 1380 op->chosen_skill = chosen_skill;
1585 /* perhaps a bit of a hack, but if using a wand, it has to change the skill 1381
1586 * to something like use_magic_item, but you really want to be able to fire 1382 op->play_sound (
1587 * it again. 1383 success
1588 */ 1384 ? spell_ob->sound
1589 if (op->contr) 1385 ? spell_ob->sound
1590 op->contr->shoottype = (rangetype) old_shoottype; 1386 : sound_find ("spell_success")
1387 : sound_find ("fumble_spell")
1388 );
1591 1389
1592 return success; 1390 return success;
1593} 1391}
1594 1392
1595
1596/* This is called from time.c/process_object(). That function 1393/* This is called from time.c/process_object(). That function
1597 * calls this for any SPELL_EFFECT type objects. This function 1394 * calls this for any SPELL_EFFECT type objects. This function
1598 * then dispatches them to the appropriate specific routines. 1395 * then dispatches them to the appropriate specific routines.
1599 */ 1396 */
1600void 1397void
1601move_spell_effect (object *op) 1398move_spell_effect (object *op)
1602{ 1399{
… …
1642 move_aura (op); 1439 move_aura (op);
1643 break; 1440 break;
1644 } 1441 }
1645} 1442}
1646 1443
1647/* this checks to see if something special should happen if
1648 * something runs into the object.
1649 */
1650void
1651check_spell_effect (object *op)
1652{
1653 switch (op->subtype)
1654 {
1655 case SP_BOLT:
1656 move_bolt (op);
1657 return;
1658
1659 case SP_BULLET:
1660 check_bullet (op);
1661 return;
1662 }
1663}
1664
1665/* This is called by move_apply. Basically, if someone 1444/* This is called by move_apply. Basically, if someone
1666 * moves onto a spell effect and the walk_on or fly_on flags 1445 * moves onto a spell effect and the walk_on or fly_on flags
1667 * are set, this is called. This should only be called for 1446 * are set, this is called. This should only be called for
1668 * objects of the appropraite type. 1447 * objects of the appropriate type.
1669 */ 1448 */
1670void 1449void
1671apply_spell_effect (object *spell, object *victim) 1450apply_spell_effect (object *spell, object *victim)
1672{ 1451{
1673 switch (spell->subtype) 1452 switch (spell->subtype)
1674 { 1453 {
1675 case SP_CONE: 1454 case SP_CONE:
1676 if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype) 1455 if (victim->flag [FLAG_ALIVE] && spell->has_active_speed () && spell->attacktype)
1677 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0); 1456 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1678 break; 1457 break;
1679 1458
1680 case SP_MAGIC_MISSILE: 1459 case SP_MAGIC_MISSILE:
1681 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1460 if (victim->flag [FLAG_ALIVE])
1682 { 1461 {
1683 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); 1462 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1684
1685 if (!spell->destroyed ())
1686 spell->destroy (); 1463 spell->destroy ();
1687 } 1464 }
1688 break; 1465 break;
1689 1466
1690 case SP_MOVING_BALL: 1467 case SP_MOVING_BALL:
1691 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1468 if (victim->flag [FLAG_ALIVE])
1692 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); 1469 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1693 else if (victim->material || victim->materialname) 1470 else if (victim->material != MATERIAL_NULL)
1694 save_throw_object (victim, spell->attacktype, spell); 1471 save_throw_object (victim, spell->attacktype, spell);
1472
1695 break; 1473 break;
1696 } 1474 }
1697} 1475}
1476
1477/**
1478 * This function will let a fireball explode at the position of
1479 * the victim with a specific maximum level.
1480 */
1481void
1482create_exploding_ball_at (object *victim, int level)
1483{
1484 object *ball = archetype::get (EXPLODING_FIREBALL);
1485 ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
1486 ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
1487 ball->insert_at (victim);
1488}

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