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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.56 by elmex, Tue Jul 31 10:05:45 2007 UTC vs.
Revision 1.104 by root, Sun Nov 8 23:05:22 2009 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT 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 <crossfire@schmorp.de> 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>
25#include <spells.h> 26#include <spells.h>
26#include <object.h> 27#include <object.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 */
37object * 38object *
38find_random_spell_in_ob (object *ob, const char *skill) 39find_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 */
88void
89init_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 */
135void
136dump_spells (void)
137{
138 archetype *at;
139
140 for_all_archetypes (at)
141 {
142 if (at->type == SPELL)
143 {
144 fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->object::name,
145 &at->archname, at->other_arch ? &at->other_arch->archname : "<nil>", &at->skill, at->level);
146 }
147 }
148}
149
150/* pretty basic function - basically just takes 81/* pretty basic function - basically just takes
151 * 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
152 */ 83 */
153void 84void
154spell_effect (object *spob, int x, int y, maptile *map, object *originator) 85spell_effect (object *spob, int x, int y, maptile *map, object *originator)
155{ 86{
156 if (spob->other_arch) 87 if (spob->other_arch)
157 map->insert (arch_to_object (spob->other_arch), x, y, originator); 88 map->insert (arch_to_object (spob->other_arch), x, y, originator);
158} 89}
159 90
160/* 91static int
161 * This function takes a caster and spell and presents the 92attuned_bonus (object *caster, object *spell, int level)
162 * effective level the caster needs to be to cast the spell.
163 * basically, it just adjusts the spell->level with attuned/repelled
164 * spellpaths. Was called path_level_mod.
165 *
166 * caster is person casting the spell.
167 * spell is the spell object.
168 * Returns modified level.
169 */
170int
171min_casting_level (object *caster, object *spell)
172{ 93{
173 int new_level; 94 // compute the attuned/repelled bonus
174 95 // attuned only increases up to 2 times the original level (i.e. bonus <= level) */
175 if (caster->path_denied & spell->path_attuned) 96 // repell has no such quarrels
176 return 1; 97 return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0)
177
178 new_level = spell->level
179 + (caster->path_repelled & spell->path_attuned ? +2 : 0) 98 + (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0);
180 + (caster->path_attuned & spell->path_attuned ? -2 : 0);
181
182 return max (1, new_level);
183} 99}
184 100
185/* This function returns the effective level the spell 101/* This function returns the effective level the spell
186 * is being cast at. 102 * is being cast at.
187 * Note that I changed the repelled/attuned bonus to 2 from 5.
188 * This is because the new code compares casting_level against
189 * min_caster_level, so the difference is effectively 4
190 */ 103 */
191int 104int
192caster_level (object *caster, object *spell) 105casting_level (object *caster, object *spell)
193{ 106{
194 int level = caster->level; 107 int level = caster->level;
195
196 /* If this is a player, try to find the matching skill */
197 if (caster->type == PLAYER && spell->skill)
198 for (int i = 0; i < NUM_SKILLS; i++)
199 if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
200 {
201 level = caster->contr->last_skill_ob[i]->level;
202 break;
203 }
204 108
205 /* 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. */
206 if (caster->type == ROD && caster->env && caster->env->type == PLAYER) 110 if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
207 { 111 {
208 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);
209 int sk_level = skill ? skill->level : 1; 113 int sk_level = skill ? skill->level : 1;
210 114
211 level = MIN (level, sk_level + level / 10 + 1); 115 level = min (level, sk_level + level / 10 + 1);
212 } 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;
213 120
214 /* Got valid caster level. Now adjust for attunement */ 121 int bonus = attuned_bonus (caster, spell, level);
215 level += caster->path_repelled & spell->path_attuned ? -2 : 0; 122
216 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);
217 128
218 /* 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
219 * errors in various places. 130 * errors in various places.
220 */ 131 */
221 return max (level, 1); 132 return clamp (level, 1, settings.max_level);
222} 133}
223 134
224/* The following function scales the spellpoint cost of 135/* The following function scales the spellpoint cost of
225 * a spell by it's increased effectiveness. Some of the 136 * a spell by it's increased effectiveness. Some of the
226 * lower level spells become incredibly vicious at high 137 * lower level spells become incredibly vicious at high
… …
230 * caster is what is casting the spell, can be op. 141 * caster is what is casting the spell, can be op.
231 * spell is the spell object. 142 * spell is the spell object.
232 * 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
233 * mana. In that case, we return which ever value is higher. 144 * mana. In that case, we return which ever value is higher.
234 */ 145 */
235
236sint16 146sint16
237SP_level_spellpoint_cost (object *caster, object *spell, int flags) 147SP_level_spellpoint_cost (object *caster, object *spell, int flags)
238{ 148{
239 int sp, grace, level = caster_level (caster, spell); 149 int sp, grace, level = casting_level (caster, spell);
240 150
241 if (settings.spellpoint_level_depend == TRUE) 151 if (settings.spellpoint_level_depend == TRUE)
242 { 152 {
243 if (spell->stats.sp && spell->stats.maxsp) 153 if (spell->stats.sp && spell->stats.maxsp)
244 {
245 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));
246 }
247 else 155 else
248 sp = spell->stats.sp; 156 sp = spell->stats.sp;
249 157
250 sp *= (int) PATH_SP_MULT (caster, spell); 158 sp *= (int) PATH_SP_MULT (caster, spell);
251 if (!sp && spell->stats.sp) 159 if (!sp && spell->stats.sp)
252 sp = 1; 160 sp = 1;
253 161
254 if (spell->stats.grace && spell->stats.maxgrace) 162 if (spell->stats.grace && spell->stats.maxgrace)
255 {
256 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));
257 }
258 else 164 else
259 grace = spell->stats.grace; 165 grace = spell->stats.grace;
260 166
261 grace *= (int) PATH_SP_MULT (caster, spell); 167 grace *= PATH_SP_MULT (caster, spell);
262 if (spell->stats.grace && !grace) 168 if (spell->stats.grace && !grace)
263 grace = 1; 169 grace = 1;
264 } 170 }
265 else 171 else
266 { 172 {
267 sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); 173 sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
268 if (spell->stats.sp && !sp) 174 if (spell->stats.sp && !sp)
269 sp = 1; 175 sp = 1;
176
270 grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); 177 grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
271 if (spell->stats.grace && !grace) 178 if (spell->stats.grace && !grace)
272 grace = 1; 179 grace = 1;
273 } 180 }
181
274 if (flags == SPELL_HIGHEST) 182 if (flags == SPELL_HIGHEST)
275 return MAX (sp, grace); 183 return max (sp, grace);
276 else if (flags == SPELL_GRACE) 184 else if (flags == SPELL_GRACE)
277 return grace; 185 return grace;
278 else if (flags == SPELL_MANA) 186 else if (flags == SPELL_MANA)
279 return sp; 187 return sp;
280 else 188 else
… …
282 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);
283 return 0; 191 return 0;
284 } 192 }
285} 193}
286 194
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}
287 205
288/* SP_level_dam_adjust: Returns adjusted damage based on the caster. 206/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
289 * spob is the spell we are adjusting. 207 * spob is the spell we are adjusting.
290 */ 208 */
291int 209int
292SP_level_dam_adjust (object *caster, object *spob) 210SP_level_dam_adjust (object *caster, object *spob)
293{ 211{
294 int level = caster_level (caster, spob);
295 int adj = level - min_casting_level (caster, spob);
296
297 if (adj < 0)
298 adj = 0;
299 if (spob->dam_modifier) 212 if (!spob->dam_modifier)
300 adj /= spob->dam_modifier;
301 else
302 adj = 0;
303 return adj; 213 return 0;
214
215 return SP_casting_level (caster, spob) / spob->dam_modifier;
304} 216}
305 217
306/* Adjust the strength of the spell based on level. 218/* Adjust the strength of the spell based on level.
307 * This is basically the same as SP_level_dam_adjust above, 219 * This is basically the same as SP_level_dam_adjust above,
308 * but instead looks at the level_modifier value. 220 * but instead looks at the level_modifier value.
309 */ 221 */
310int 222int
311SP_level_duration_adjust (object *caster, object *spob) 223SP_level_duration_adjust (object *caster, object *spob)
312{ 224{
313 int level = caster_level (caster, spob);
314 int adj = level - min_casting_level (caster, spob);
315
316 if (adj < 0)
317 adj = 0;
318 if (spob->duration_modifier) 225 if (!spob->duration_modifier)
319 adj /= spob->duration_modifier;
320 else
321 adj = 0;
322
323 return adj; 226 return 0;
227
228 return SP_casting_level (caster, spob) / spob->duration_modifier;
324} 229}
325 230
326/* Adjust the strength of the spell based on level. 231/* Adjust the strength of the spell based on level.
327 * This is basically the same as SP_level_dam_adjust above, 232 * This is basically the same as SP_level_dam_adjust above,
328 * but instead looks at the level_modifier value. 233 * but instead looks at the level_modifier value.
329 */ 234 */
330int 235int
331SP_level_range_adjust (object *caster, object *spob) 236SP_level_range_adjust (object *caster, object *spob)
332{ 237{
333 int level = caster_level (caster, spob);
334 int adj = level - min_casting_level (caster, spob);
335
336 if (adj < 0)
337 adj = 0;
338 if (spob->range_modifier) 238 if (!spob->range_modifier)
339 adj /= spob->range_modifier;
340 else
341 adj = 0;
342
343 return adj; 239 return 0;
240
241 return SP_casting_level (caster, spob) / spob->range_modifier;
344} 242}
345 243
346/* 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
347 * as an existing spell, we presume they know it. 245 * as an existing spell, we presume they know it.
348 * 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.
349 */ 247 */
350object * 248object *
351check_spell_known (object *op, const char *name) 249check_spell_known (object *op, shstr_cmp name)
352{ 250{
353 object *spop; 251 object *spop;
354 252
355 for (spop = op->inv; spop; spop = spop->below) 253 for (spop = op->inv; spop; spop = spop->below)
356 if (spop->type == SPELL && !strcmp (spop->name, name)) 254 if (spop->type == SPELL && spop->name == name)
357 return spop; 255 return spop;
358 256
359 return NULL; 257 return 0;
360} 258}
361
362 259
363/* 260/*
364 * Look at object 'op' and see if they know the spell 261 * Look at object 'op' and see if they know the spell
365 * spname. This is pretty close to check_spell_known 262 * spname. This is pretty close to check_spell_known
366 * above, but it uses a looser matching mechanism. 263 * above, but it uses a looser matching mechanism.
367 * returns the matching spell object, or NULL. 264 * returns the matching spell object, or NULL.
368 * If we match multiple spells but don't get an 265 * If we match multiple spells but don't get an
369 * exact match, we also return NULL. 266 * exact match, we also return NULL.
370 */ 267 */
371
372object * 268object *
373lookup_spell_by_name (object *op, const char *spname) 269lookup_spell_by_name (object *op, const char *spname)
374{ 270{
375 object *spob1 = NULL, *spob2 = NULL, *spob; 271 object *spob1 = 0, *spob2 = 0;
376 int nummatch = 0; 272 int nummatch = 0;
377 273
378 if (spname == NULL) 274 if (!spname)
379 return NULL; 275 return 0;
380 276
381 /* Try to find the spell. We store the results in spob1 277 /* Try to find the spell. We store the results in spob1
382 * and spob2 - spob1 is only taking the length of 278 * and spob2 - spob1 is only taking the length of
383 * the past spname, spob2 uses the length of the spell name. 279 * the past spname, spob2 uses the length of the spell name.
384 */ 280 */
385 for (spob = op->inv; spob; spob = spob->below) 281 for (object *spob = op->inv; spob; spob = spob->below)
386 { 282 {
387 if (spob->type == SPELL) 283 if (spob->type == SPELL)
388 { 284 {
285 // TODO: WTF?
389 if (!strncmp (spob->name, spname, strlen (spname))) 286 if (!strncmp (spob->name, spname, strlen (spname)))
390 { 287 {
391 nummatch++; 288 nummatch++;
392 spob1 = spob; 289 spob1 = spob;
393 } 290 }
… …
398 * fall into this category). It shouldn't be hard to 295 * fall into this category). It shouldn't be hard to
399 * make sure spell names don't overlap in that fashion. 296 * make sure spell names don't overlap in that fashion.
400 */ 297 */
401 if (spob2) 298 if (spob2)
402 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
403 spob2 = spob; 301 spob2 = spob;
404 } 302 }
405 } 303 }
406 } 304 }
407 /* 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
408 * on the loser match, return that, otehrwise null 306 * on the loser match, return that, otehrwise null
409 */ 307 */
410 if (spob2) 308 if (spob2)
411 return spob2; 309 return spob2;
310
412 if (spob1 && nummatch == 1) 311 if (spob1 && nummatch == 1)
413 return spob1; 312 return spob1;
313
414 return NULL; 314 return NULL;
415} 315}
416 316
417/* reflwall - decides weither the (spell-)object sp_op will 317/* reflwall - decides weither the (spell-)object sp_op will
418 * be reflected from the given mapsquare. Returns 1 if true. 318 * be reflected from the given mapsquare. Returns 1 if true.
… …
422 * eg, updated for tiled maps. 322 * eg, updated for tiled maps.
423 */ 323 */
424int 324int
425reflwall (maptile *m, int x, int y, object *sp_op) 325reflwall (maptile *m, int x, int y, object *sp_op)
426{ 326{
427 object *op;
428
429 if (OUT_OF_REAL_MAP (m, x, y)) 327 if (OUT_OF_REAL_MAP (m, x, y))
430 return 0; 328 return 0;
329
431 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)
432 if (QUERY_FLAG (op, FLAG_REFL_SPELL) 331 if (QUERY_FLAG (op, FLAG_REFL_SPELL)
433 && (!QUERY_FLAG (op, FLAG_ALIVE) 332 && (!QUERY_FLAG (op, FLAG_ALIVE)
434 || (rndm (0, 99)) < 90 - (sp_op->level / 10))) 333 || (rndm (0, 99)) < 90 - (sp_op->level / 10)))
435 return 1; 334 return 1;
436 335
… …
466 dir ? 0 : INS_BELOW_ORIGINATOR); 365 dir ? 0 : INS_BELOW_ORIGINATOR);
467 366
468 return dir; 367 return dir;
469} 368}
470 369
370static bool
371mergable_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
471/* 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.
472 * immune_stop is basically the attacktype of the spell (why 389 * immune_stop is basically the attacktype of the spell (why
473 * passed as a different value, not sure of). If immune_stop 390 * passed as a different value, not sure of). If immune_stop
474 * has the AT_MAGIC bit set, and there is a counterwall 391 * has the AT_MAGIC bit set, and there is a counterwall
475 * 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
476 * 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.
477 *
478 */ 394 */
479int 395int
480ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) 396ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
481{ 397{
482 if (!xy_normalise (m, x, y)) 398 if (!xy_normalise (m, x, y))
483 return 0; 399 return 0;
484 400
485 mapspace &ms = m->at (x, y); 401 mapspace &ms = m->at (x, y);
402 ms.update ();
486 403
487 if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) 404 if (OB_TYPE_MOVE_BLOCK (op, ms.move_block))
488 return 0; 405 return 0;
406
407 int max_effects = 5; // max. number of similar spells per mapspace
489 408
490 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 409 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
491 { 410 {
492 /* If there is a counterspell on the space, and this 411 /* If there is a counterspell on the space, and this
493 * object is using magic, don't progress. I believe we could 412 * object is using magic, don't progress. I believe we could
… …
512 // (and those shouldn't go away from 431 // (and those shouldn't go away from
513 // sanctuary) see also: permanent lava 432 // sanctuary) see also: permanent lava
514 && (immune_stop & AT_MAGIC)) 433 && (immune_stop & AT_MAGIC))
515 return 0; 434 return 0;
516 435
517 /* This is to prevent 'out of control' spells. Basically, this
518 * limits one spell effect per space per spell. This is definately
519 * needed for performance reasons, and just for playability I believe.
520 * there are no such things as multispaced spells right now, so
521 * we don't need to worry about the head.
522 */
523 if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype))
524 return 0;
525
526 /*
527 * Combine similar spell effects into one spell effect. Needed for
528 * performance reasons with meteor swarm and the like, but also for
529 * playability reasons.
530 */
531 if (tmp->arch == op->arch
532 && tmp->type == op->type 436 if (tmp->type == op->type)
533 && tmp->subtype == op->subtype
534 && tmp->owner == op->owner
535 && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
536 { 437 {
537 tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam); 438 if (tmp->subtype == op->subtype
538 tmp->range = MAX (tmp->range, op->range); 439 && tmp->arch == op->arch /* no harm if not comparing by name here */)
539 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)
540 return 0; 470 return 0;
541 } 471 }
542 472
543 /* 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
544 * ground to prevent it from moving along? 474 * ground to prevent it from moving along?
545 */ 475 */
… …
557 * dir: direction to fire in. 487 * dir: direction to fire in.
558 * spell: spell that is being fired. It uses other_arch for the archetype 488 * spell: spell that is being fired. It uses other_arch for the archetype
559 * to fire. 489 * to fire.
560 * returns 0 on failure, 1 on success. 490 * returns 0 on failure, 1 on success.
561 */ 491 */
562
563int 492int
564fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) 493fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
565{ 494{
566 object *tmp;
567 int mflags;
568 maptile *m;
569
570 if (spell->other_arch == NULL) 495 if (!spell->other_arch)
571 return 0; 496 return 0;
572 497
573 m = op->map; 498 object *tmp = spell->other_arch->instance ();
574 mflags = get_map_flags (m, &m, x, y, &x, &y);
575 if (mflags & P_OUT_OF_MAP)
576 {
577 return 0;
578 }
579 499
580 tmp = arch_to_object (spell->other_arch); 500 if (!tmp)
581
582 if (tmp == NULL)
583 return 0; 501 return 0;
584
585 if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
586 {
587 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
588 tmp->destroy ();
589 return 0;
590 }
591 502
592 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);
593 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); 504 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
594 /* 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 */
595 tmp->stats.food = tmp->duration; 506 tmp->stats.food = tmp->duration;
596 tmp->range = spell->range + SP_level_range_adjust (caster, spell); 507 tmp->range = spell->range + SP_level_range_adjust (caster, spell);
597 tmp->attacktype = spell->attacktype; 508 tmp->attacktype = spell->attacktype;
598 tmp->x = x;
599 tmp->y = y;
600 tmp->direction = dir; 509 tmp->direction = dir;
601 if (op->owner != NULL)
602 tmp->set_owner (op); 510 tmp->set_owner (op);
603 else
604 tmp->set_owner (op);
605 tmp->level = caster_level (caster, spell); 511 tmp->level = casting_level (caster, spell);
606 set_spell_skill (op, caster, spell, tmp); 512 set_spell_skill (op, caster, spell, tmp);
607 513
608 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ 514 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */
609 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) 515 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
610 {
611 if (!tailor_god_spell (tmp, op)) 516 if (!tailor_god_spell (tmp, op))
612 return 0; 517 return 0;
613 } 518
614 if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) 519 if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
615 SET_ANIMATION (tmp, dir); 520 SET_ANIMATION (tmp, dir);
616 521
617 if ((tmp = insert_ob_in_map (tmp, m, op, 0))) 522 if ((tmp = op->map->insert (tmp, x, y, op)))
618 move_spell_effect (tmp); 523 move_spell_effect (tmp);
619 524
620 return 1; 525 return 1;
621} 526}
622 527
… …
627 ****************************************************************************/ 532 ****************************************************************************/
628void 533void
629regenerate_rod (object *rod) 534regenerate_rod (object *rod)
630{ 535{
631 if (rod->stats.hp < rod->stats.maxhp) 536 if (rod->stats.hp < rod->stats.maxhp)
632 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);
633} 538}
634 539
635void 540void
636drain_rod_charge (object *rod) 541drain_rod_charge (object *rod)
637{ 542{
… …
677 if (!tmp) 582 if (!tmp)
678 tmp = op->ms ().player (); 583 tmp = op->ms ().player ();
679 584
680 return tmp; 585 return tmp;
681} 586}
682
683
684 587
685/* raytrace: 588/* raytrace:
686 * 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
687 * 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
688 * live objects. 591 * live objects.
… …
691 * monsters/generators only. If not, the spell will hunt players only. 594 * monsters/generators only. If not, the spell will hunt players only.
692 * 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
693 * any, otherwise -1. 596 * any, otherwise -1.
694 * 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.
695 */ 598 */
696
697int 599int
698spell_find_dir (maptile *m, int x, int y, object *exclude) 600spell_find_dir (maptile *m, int x, int y, object *exclude)
699{ 601{
700 int i, max = SIZEOFFREE; 602 int i, max = SIZEOFFREE;
701 sint16 nx, ny; 603 sint16 nx, ny;
… …
732 634
733/* put_a_monster: puts a monster named monstername near by 635/* put_a_monster: puts a monster named monstername near by
734 * op. This creates the treasures for the monsters, and 636 * op. This creates the treasures for the monsters, and
735 * also deals with multipart monsters properly. 637 * also deals with multipart monsters properly.
736 */ 638 */
737void 639static void
738put_a_monster (object *op, const char *monstername) 640put_a_monster (object *op, const char *monstername)
739{ 641{
740 object *tmp, *head = NULL, *prev = NULL; 642 object *tmp, *head = NULL, *prev = NULL;
741 archetype *at; 643 archetype *at;
742 int dir; 644 int dir;
… …
781 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); 683 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
782 684
783 insert_ob_in_map (head, op->map, op, 0); 685 insert_ob_in_map (head, op->map, op, 0);
784 686
785 /* thought it'd be cool to insert a burnout, too. */ 687 /* thought it'd be cool to insert a burnout, too. */
786 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);
787 } 689 }
788} 690}
789 691
790/* peterm: function which summons hostile monsters and 692/* peterm: function which summons hostile monsters and
791 * places them in nearby squares. 693 * places them in nearby squares.
… …
798 * 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
799 * 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
800 * never used. This is however used by various failures on the 702 * never used. This is however used by various failures on the
801 * players part (alchemy, reincarnation, etc) 703 * players part (alchemy, reincarnation, etc)
802 */ 704 */
803
804int 705int
805summon_hostile_monsters (object *op, int n, const char *monstername) 706summon_hostile_monsters (object *op, int n, const char *monstername)
806{ 707{
807 int i; 708 int i;
808 709
… …
873 { 774 {
874 SET_ANIMATION (op, ATTACKS[i].face); 775 SET_ANIMATION (op, ATTACKS[i].face);
875 } 776 }
876} 777}
877 778
878
879/* prayer_failure: This is called when a player fails 779/* prayer_failure: This is called when a player fails
880 * at casting a prayer. 780 * at casting a prayer.
881 * op is the player. 781 * op is the player.
882 * failure is basically how much grace they had. 782 * failure is basically how much grace they had.
883 * 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.
884 */ 784 */
885 785static void
886void
887prayer_failure (object *op, int failure, int power) 786prayer_failure (object *op, int failure, int power)
888{ 787{
889 const char *godname; 788 const char *godname;
890 object *tmp; 789 object *tmp;
891 790
… …
984 tmp->insert_at (op); 883 tmp->insert_at (op);
985 } 884 }
986 } 885 }
987} 886}
988 887
989int 888static int
990cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg) 889cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
991{ 890{
992 int success;
993 object *spell;
994
995 if (!spell_ob->other_arch) 891 if (!spell_ob->other_arch)
996 { 892 {
997 LOG (llevError, "cast_party_spell: empty other arch\n"); 893 LOG (llevError, "cast_party_spell: empty other arch\n");
998 return 0; 894 return 0;
999 } 895 }
896
1000 spell = arch_to_object (spell_ob->other_arch); 897 object *spell = arch_to_object (spell_ob->other_arch);
1001 898
1002 /* Always cast spell on caster */ 899 /* Always cast spell on caster */
1003 success = cast_spell (op, caster, dir, spell, stringarg); 900 int success = cast_spell (op, caster, dir, spell, spellparam);
1004 901
1005 if (caster->contr->party == NULL) 902 if (!op->contr || !op->contr->party)
1006 { 903 {
1007 spell->remove (); 904 spell->remove ();
1008 return success; 905 return success;
1009 } 906 }
907
1010 for_all_players (pl) 908 for_all_players (pl)
1011 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster))) 909 if ((pl->ob->contr->party == op->contr->party)
1012 { 910 && on_same_map (pl->ob, op)
911 && pl->ob != op)
1013 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg); 912 cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam);
1014 } 913
1015 spell->remove (); 914 spell->remove ();
1016 return success; 915 return success;
1017} 916}
1018 917
1019/* This is where the main dispatch when someone casts a spell. 918/* This is where the main dispatch when someone casts a spell.
… …
1024 * same as op. 923 * same as op.
1025 * 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
1026 * is self only, dir really doesn't make a difference. 925 * is self only, dir really doesn't make a difference.
1027 * 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,
1028 * we can determine what to do. 927 * we can determine what to do.
1029 * 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
1030 * 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
1031 * 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,
1032 * etc. 931 * etc.
1033 * 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
1034 * 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
… …
1042 * 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),
1043 * this function will decrease the mana/grace appropriately. For other 942 * this function will decrease the mana/grace appropriately. For other
1044 * objects, the caller should do what it considers appropriate. 943 * objects, the caller should do what it considers appropriate.
1045 */ 944 */
1046int 945int
1047cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg) 946cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
1048{ 947{
1049 const char *godname; 948 const char *godname;
1050 int success = 0, mflags, cast_level = 0; 949 int success = 0;
1051 object *skill = NULL; 950 object *skill = NULL;
1052 951
1053 if (!spell_ob) 952 if (!spell_ob)
1054 { 953 {
1055 LOG (llevError, "cast_spell: null spell object passed\n"); 954 LOG (llevError, "cast_spell: null spell object passed\n");
… …
1084 * 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
1085 * at least process that code. 984 * at least process that code.
1086 */ 985 */
1087 if (op->type == PLAYER && op == caster) 986 if (op->type == PLAYER && op == caster)
1088 { 987 {
1089 cast_level = caster_level (caster, spell_ob);
1090
1091 if (spell_ob->skill) 988 if (spell_ob->skill)
1092 { 989 {
1093 skill = find_skill_by_name (op, spell_ob->skill); 990 skill = find_skill_by_name (op, spell_ob->skill);
1094 991
1095 if (!skill) 992 if (!skill)
1096 { 993 {
1097 new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name); 994 op->failmsg (format ("You need the skill %s to cast %s! "
995 "H<You either need to learn the skill via a skill scroll "
996 "or you need to wear a talisman or holy symbol.>",
997 &spell_ob->skill, &spell_ob->name));
1098 return 0; 998 return 0;
1099 } 999 }
1100 1000
1101 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)
1102 { 1006 {
1103 new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell."); 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 {
1019 op->failmsg (format ("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 ())
1104 return 0; 1023 return 0;
1105 } 1024 }
1106 } 1025 }
1107 1026
1108 /* 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
1109 * to have sufficient grace/mana. 1028 * to have sufficient grace/mana.
1110 */ 1029 */
1111 if (!QUERY_FLAG (op, FLAG_WIZ)) 1030 if (!QUERY_FLAG (op, FLAG_WIZCAST))
1112 { 1031 {
1113 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) && 1032 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1114 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)
1115 { 1034 {
1116 new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana."); 1035 op->failmsg ("You don't have enough mana!");
1117 return 0; 1036 return 0;
1118 } 1037 }
1119 1038
1120 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) && 1039 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1121 SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace) 1040 SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1122 { 1041 {
1123 if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace - 1042 if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1124 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)
1125 {
1126 new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname); 1044 op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1127 }
1128 else 1045 else
1129 { 1046 {
1130 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);
1131 new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname); 1048 op->failmsg (format ("%s ignores your prayer.", godname));
1132 return 0; 1049 return 0;
1133 } 1050 }
1134 } 1051 }
1135 1052
1136 /* player/monster is trying to cast the spell. might fumble it */ 1053 /* player/monster is trying to cast the spell. might fumble it */
1137 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) <
1138 (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]))
1139 { 1056 {
1140 op->contr->play_sound (sound_find ("fumble_spell")); 1057 op->contr->play_sound (sound_find ("fumble_spell"));
1141 new_draw_info (NDI_UNIQUE, 0, op, "You fumble the prayer."); 1058 op->failmsg ("You fumble the prayer.");
1142 1059
1143 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);
1144 return 0; 1061 return 0;
1145 } 1062 }
1146 else if (spell_ob->stats.sp) 1063 else if (spell_ob->stats.sp)
1147 { 1064 {
1148 int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35; 1065 int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1149 1066
1150 if (failure < 0) 1067 if (failure < 0)
1151 { 1068 {
1152 new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use."); 1069 op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1153 if (settings.spell_failure_effects == TRUE) 1070 if (settings.spell_failure_effects == TRUE)
1154 spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill); 1071 spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1155 1072
1156 op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW); 1073 op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1157 return 0; 1074 return 0;
1158 } 1075 }
1159 } 1076 }
1160 } 1077 }
1161 } 1078 }
1162 1079
1163 mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL); 1080 int mflags = op->ms ().flags ();
1164 1081
1165 /* See if we can cast a spell here. If the caster and op are 1082 /* See if we can cast a spell here. If the caster and op are
1166 * not alive, then this would mean that the mapmaker put the 1083 * not alive, then this would mean that the mapmaker put the
1167 * objects on the space - presume that they know what they are 1084 * objects on the space - presume that they know what they are
1168 * doing. 1085 * doing.
1169 */ 1086 */
1170 1087
1171 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 :-)!
1172 { 1089 {
1173 new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!."); 1090 op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1174 return 0; 1091 return 0;
1175 } 1092 }
1176 1093
1177 if ((spell_ob->type == SPELL) 1094 if ((spell_ob->type == SPELL)
1178 && (caster->type != POTION) 1095 && (caster->type != POTION)
… …
1183 { 1100 {
1184 if (op->type != PLAYER) 1101 if (op->type != PLAYER)
1185 return 0; 1102 return 0;
1186 1103
1187 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace) 1104 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1188 new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname); 1105 op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1189 else if (object *item = op->contr->ranged_ob) 1106 else if (object *item = op->contr->ranged_ob)
1190 { 1107 {
1191 if (item->type == SPELL) 1108 if (item->type == SPELL)
1192 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting."); 1109 op->failmsg ("Something blocks your spellcasting.");
1193 else if (item->type == SCROLL) 1110 else if (item->type == SCROLL)
1194 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll."); 1111 op->failmsg ("Something blocks the magic of your scroll.");
1195 else 1112 else
1196 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item."); 1113 op->failmsg ("Something blocks the magic of your item.");
1197 } 1114 }
1198 else 1115 else
1199 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the spell!"); 1116 op->failmsg ("Something blocks the spell!");
1200 1117
1201 return 0; 1118 return 0;
1202 } 1119 }
1203 1120
1204 /* Take into account how long it takes to cast the spell. 1121 /* Take into account how long it takes to cast the spell.
… …
1209 * the player any time. 1126 * the player any time.
1210 * Ignore casting time for firewalls 1127 * Ignore casting time for firewalls
1211 */ 1128 */
1212 if (caster == op && caster->type != FIREWALL) 1129 if (caster == op && caster->type != FIREWALL)
1213 { 1130 {
1214 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); 1131 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * fabs (op->speed);
1215 /* Other portions of the code may also decrement the speed of the player, so 1132 /* Other portions of the code may also decrement the speed of the player, so
1216 * put a lower limit so that the player isn't stuck here too long 1133 * put a lower limit so that the player isn't stuck here too long
1217 */ 1134 */
1218 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed)) 1135 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * fabs (op->speed))
1219 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); 1136 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * fabs (op->speed);
1220 } 1137 }
1221 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL) 1138 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1222 op->speed_left -= 2 * FABS (op->speed); 1139 op->speed_left -= 2 * fabs (op->speed);
1223 1140
1224 if (op->type == PLAYER && op == caster) 1141 if (op->type == PLAYER && op == caster)
1225 { 1142 {
1226 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE); 1143 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1227 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA); 1144 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
… …
1234 if (op != caster && !skill && caster->skill) 1151 if (op != caster && !skill && caster->skill)
1235 { 1152 {
1236 skill = find_skill_by_name (op, caster->skill); 1153 skill = find_skill_by_name (op, caster->skill);
1237 if (!skill) 1154 if (!skill)
1238 { 1155 {
1239 new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster)); 1156 op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1240 return 0; 1157 return 0;
1241 } 1158 }
1242 1159
1243 op->change_skill (skill); /* needed for proper exp credit */ 1160 op->change_skill (skill); /* needed for proper exp credit */
1244 } 1161 }
1245 1162
1246 if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg))) 1163 if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam)))
1247 return RESULT_INT (0); 1164 return RESULT_INT (0);
1248 1165
1249 switch (spell_ob->subtype) 1166 switch (spell_ob->subtype)
1250 { 1167 {
1251 /* The order of case statements is same as the order they show up 1168 /* The order of case statements is same as the order they show up
1252 * in in spells.h. 1169 * in spells.h.
1253 */ 1170 */
1254 case SP_RAISE_DEAD: 1171 case SP_RAISE_DEAD:
1255 success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg); 1172 success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam);
1256 break; 1173 break;
1257 1174
1258 case SP_RUNE: 1175 case SP_RUNE:
1259 success = write_rune (op, caster, spell_ob, dir, stringarg); 1176 success = write_rune (op, caster, spell_ob, dir, spellparam);
1260 break; 1177 break;
1261 1178
1262 case SP_MAKE_MARK: 1179 case SP_MAKE_MARK:
1263 success = write_mark (op, spell_ob, stringarg); 1180 success = write_mark (op, spell_ob, spellparam);
1264 break; 1181 break;
1265 1182
1266 case SP_BOLT: 1183 case SP_BOLT:
1267 success = fire_bolt (op, caster, dir, spell_ob, skill); 1184 success = fire_bolt (op, caster, dir, spell_ob, skill);
1268 break; 1185 break;
… …
1286 case SP_SMITE: 1203 case SP_SMITE:
1287 success = cast_smite_spell (op, caster, dir, spell_ob); 1204 success = cast_smite_spell (op, caster, dir, spell_ob);
1288 break; 1205 break;
1289 1206
1290 case SP_MAGIC_MISSILE: 1207 case SP_MAGIC_MISSILE:
1291 success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); 1208 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1292 break; 1209 break;
1293 1210
1294 case SP_SUMMON_GOLEM: 1211 case SP_SUMMON_GOLEM:
1295 success = summon_golem (op, caster, dir, spell_ob); 1212 success = summon_golem (op, caster, dir, spell_ob);
1296 break; 1213 break;
1297 1214
1298 case SP_DIMENSION_DOOR: 1215 case SP_DIMENSION_DOOR:
1299 /* dimension door needs the actual caster, because that is what is 1216 /* dimension door needs the actual caster, because that is what is
1300 * moved. 1217 * moved.
1301 */ 1218 */
1302 success = dimension_door (op, caster, spell_ob, dir); 1219 success = dimension_door (op, caster, spell_ob, dir, spellparam);
1303 break; 1220 break;
1304 1221
1305 case SP_MAGIC_MAPPING: 1222 case SP_MAGIC_MAPPING:
1306 if (op->type == PLAYER) 1223 if (op->type == PLAYER)
1307 { 1224 {
… …
1340 case SP_HEALING: 1257 case SP_HEALING:
1341 success = cast_heal (op, caster, spell_ob, dir); 1258 success = cast_heal (op, caster, spell_ob, dir);
1342 break; 1259 break;
1343 1260
1344 case SP_CREATE_FOOD: 1261 case SP_CREATE_FOOD:
1345 success = cast_create_food (op, caster, spell_ob, dir, stringarg); 1262 success = cast_create_food (op, caster, spell_ob, dir, spellparam);
1346 break; 1263 break;
1347 1264
1348 case SP_EARTH_TO_DUST: 1265 case SP_EARTH_TO_DUST:
1349 success = cast_earth_to_dust (op, caster, spell_ob); 1266 success = cast_earth_to_dust (op, caster, spell_ob);
1350 break; 1267 break;
… …
1360 case SP_CURSE: 1277 case SP_CURSE:
1361 success = cast_curse (op, caster, spell_ob, dir); 1278 success = cast_curse (op, caster, spell_ob, dir);
1362 break; 1279 break;
1363 1280
1364 case SP_SUMMON_MONSTER: 1281 case SP_SUMMON_MONSTER:
1365 success = summon_object (op, caster, spell_ob, dir, stringarg); 1282 success = summon_object (op, caster, spell_ob, dir, spellparam);
1366 break; 1283 break;
1367 1284
1368 case SP_CHARGING: 1285 case SP_CHARGING:
1369 success = recharge (op, caster, spell_ob); 1286 success = recharge (op, caster, spell_ob);
1370 break; 1287 break;
… …
1373#ifdef NO_POLYMORPH 1290#ifdef NO_POLYMORPH
1374 /* Not great, but at least provide feedback so if players do have 1291 /* Not great, but at least provide feedback so if players do have
1375 * polymorph (ie, find it as a preset item or left over from before 1292 * polymorph (ie, find it as a preset item or left over from before
1376 * it was disabled), they get some feedback. 1293 * it was disabled), they get some feedback.
1377 */ 1294 */
1378 new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles"); 1295 op->failmsg ("The spell fizzles!");
1379 success = 0; 1296 success = 0;
1380#else 1297#else
1381 success = cast_polymorph (op, caster, spell_ob, dir); 1298 success = cast_polymorph (op, caster, spell_ob, dir);
1382#endif 1299#endif
1383 break; 1300 break;
… …
1403 break; 1320 break;
1404 1321
1405 case SP_MOVING_BALL: 1322 case SP_MOVING_BALL:
1406 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled) 1323 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1407 { 1324 {
1408 new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name); 1325 op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1409 success = 0; 1326 success = 0;
1410 } 1327 }
1411 else 1328 else
1412 success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); 1329 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1413 break; 1330 break;
1414 1331
1415 case SP_SWARM: 1332 case SP_SWARM:
1416 success = fire_swarm (op, caster, spell_ob, dir); 1333 success = fire_swarm (op, caster, spell_ob, dir);
1417 break; 1334 break;
… …
1424 /* in rune.c */ 1341 /* in rune.c */
1425 success = dispel_rune (op, caster, spell_ob, skill, dir); 1342 success = dispel_rune (op, caster, spell_ob, skill, dir);
1426 break; 1343 break;
1427 1344
1428 case SP_CREATE_MISSILE: 1345 case SP_CREATE_MISSILE:
1429 success = cast_create_missile (op, caster, spell_ob, dir, stringarg); 1346 success = cast_create_missile (op, caster, spell_ob, dir, spellparam);
1430 break; 1347 break;
1431 1348
1432 case SP_CONSECRATE: 1349 case SP_CONSECRATE:
1433 success = cast_consecrate (op, caster, spell_ob); 1350 success = cast_consecrate (op, caster, spell_ob);
1434 break; 1351 break;
… …
1456 case SP_AURA: 1373 case SP_AURA:
1457 success = create_aura (op, caster, spell_ob); 1374 success = create_aura (op, caster, spell_ob);
1458 break; 1375 break;
1459 1376
1460 case SP_PARTY_SPELL: 1377 case SP_PARTY_SPELL:
1461 success = cast_party_spell (op, caster, dir, spell_ob, stringarg); 1378 success = cast_party_spell (op, caster, dir, spell_ob, spellparam);
1462 break; 1379 break;
1463 1380
1464 default: 1381 default:
1465 LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype); 1382 LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1466 } 1383 }
1467 1384
1468 /* FIXME - we need some better sound suppport */ 1385 op->play_sound (
1469 // yes, for example, augment map info with the spell effect 1386 success
1470 // so clients can calculate the sounds themselves 1387 ? spell_ob->sound
1471 //play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype); 1388 ? spell_ob->sound
1389 : sound_find ("spell_success")
1390 : sound_find ("fumble_spell")
1391 );
1472 1392
1473 return success; 1393 return success;
1474} 1394}
1475 1395
1476
1477/* This is called from time.c/process_object(). That function 1396/* This is called from time.c/process_object(). That function
1478 * calls this for any SPELL_EFFECT type objects. This function 1397 * calls this for any SPELL_EFFECT type objects. This function
1479 * then dispatches them to the appropriate specific routines. 1398 * then dispatches them to the appropriate specific routines.
1480 */ 1399 */
1481void 1400void
1482move_spell_effect (object *op) 1401move_spell_effect (object *op)
1483{ 1402{
… …
1523 move_aura (op); 1442 move_aura (op);
1524 break; 1443 break;
1525 } 1444 }
1526} 1445}
1527 1446
1528/* this checks to see if something special should happen if
1529 * something runs into the object.
1530 */
1531void
1532check_spell_effect (object *op)
1533{
1534 switch (op->subtype)
1535 {
1536 case SP_BOLT:
1537 move_bolt (op);
1538 return;
1539
1540 case SP_BULLET:
1541 check_bullet (op);
1542 return;
1543 }
1544}
1545
1546/* This is called by move_apply. Basically, if someone 1447/* This is called by move_apply. Basically, if someone
1547 * moves onto a spell effect and the walk_on or fly_on flags 1448 * moves onto a spell effect and the walk_on or fly_on flags
1548 * are set, this is called. This should only be called for 1449 * are set, this is called. This should only be called for
1549 * objects of the appropraite type. 1450 * objects of the appropriate type.
1550 */ 1451 */
1551void 1452void
1552apply_spell_effect (object *spell, object *victim) 1453apply_spell_effect (object *spell, object *victim)
1553{ 1454{
1554 switch (spell->subtype) 1455 switch (spell->subtype)
1555 { 1456 {
1556 case SP_CONE: 1457 case SP_CONE:
1557 if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype) 1458 if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->has_active_speed () && spell->attacktype)
1558 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0); 1459 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1559 break; 1460 break;
1560 1461
1561 case SP_MAGIC_MISSILE: 1462 case SP_MAGIC_MISSILE:
1562 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1463 if (QUERY_FLAG (victim, FLAG_ALIVE))
1563 { 1464 {
1564 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); 1465 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1565
1566 if (!spell->destroyed ())
1567 spell->destroy (); 1466 spell->destroy ();
1568 } 1467 }
1569 break; 1468 break;
1570 1469
1571 case SP_MOVING_BALL: 1470 case SP_MOVING_BALL:
1572 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1471 if (QUERY_FLAG (victim, FLAG_ALIVE))
1573 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); 1472 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1574 else if (victim->materialname) 1473 else if (victim->materialname)
1575 save_throw_object (victim, spell->attacktype, spell); 1474 save_throw_object (victim, spell->attacktype, spell);
1475
1576 break; 1476 break;
1577 } 1477 }
1578} 1478}
1479
1480/**
1481 * This function will let a fireball explode at the position of
1482 * the victim with a specific maximum level.
1483 */
1484void
1485create_exploding_ball_at (object *victim, int level)
1486{
1487 object *ball = get_archetype (EXPLODING_FIREBALL);
1488 ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1;
1489 ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2;
1490 ball->insert_at (victim);
1491}

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