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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.44 by root, Tue May 15 16:45:23 2007 UTC vs.
Revision 1.73 by root, Sat May 17 14:11:13 2008 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your 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 GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * The authors can be reached via e-mail at <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25#include <global.h> 24#include <global.h>
26#include <spells.h> 25#include <spells.h>
27#include <object.h> 26#include <object.h>
… …
78 dest->skill = spob->skill; 77 dest->skill = spob->skill;
79 else 78 else
80 dest->skill = caster->skill; 79 dest->skill = caster->skill;
81} 80}
82 81
83/* init_spells: This should really be called check_spells, as that
84 * is what it does. It goes through the spells looking for any
85 * obvious errors. This was most useful in debugging when re-doing
86 * all the spells to catch simple errors. To use it all the time
87 * will result in it spitting out messages that aren't really errors.
88 */
89void
90init_spells (void)
91{
92#ifdef SPELL_DEBUG
93 static int init_spells_done = 0;
94 int i;
95 archetype *at;
96
97 if (init_spells_done)
98 return;
99 LOG (llevDebug, "Checking spells...\n");
100
101 for (at = first_archetype; at; at = at->next)
102 {
103 if (at->clone.type == SPELL)
104 {
105 if (at->clone.skill)
106 {
107 for (i = 1; i < NUM_SKILLS; i++)
108 if (!strcmp (skill_names[i], at->clone.skill))
109 break;
110 if (i == NUM_SKILLS)
111 {
112 LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->clone.skill);
113 }
114 }
115 /* other_arch is already checked for in the loader */
116 }
117 }
118
119 i = 0;
120 while (spell_mapping[i])
121 {
122 if (!archetype::find (spell_mapping[i]))
123 {
124 LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
125 }
126 i++;
127 }
128 LOG (llevDebug, "Checking spells completed.\n");
129#endif
130}
131
132/* Dumps all the spells - now also dumps skill associated with the spell.
133 * not sure what this would be used for, as the data seems pretty
134 * minimal, but easy enough to keep around.
135 */
136void
137dump_spells (void)
138{
139 archetype *at;
140
141 for (at = first_archetype; at; at = at->next)
142 {
143 if (at->clone.type == SPELL)
144 {
145 fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->clone.name,
146 &at->name, at->clone.other_arch ? &at->clone.other_arch->name : "<nil>", &at->clone.skill, at->clone.level);
147 }
148 }
149}
150
151/* pretty basic function - basically just takes 82/* pretty basic function - basically just takes
152 * an object, sets the x,y, and calls insert_ob_in_map 83 * an object, sets the x,y, and calls insert_ob_in_map
153 */ 84 */
154void 85void
155spell_effect (object *spob, int x, int y, maptile *map, object *originator) 86spell_effect (object *spob, int x, int y, maptile *map, object *originator)
… …
169 * Returns modified level. 100 * Returns modified level.
170 */ 101 */
171int 102int
172min_casting_level (object *caster, object *spell) 103min_casting_level (object *caster, object *spell)
173{ 104{
174 int new_level;
175
176 if (caster->path_denied & spell->path_attuned) 105 if (caster->path_denied & spell->path_attuned)
177 return 1; 106 return 1;
178 107
179 new_level = spell->level 108 int new_level = spell->level
180 + (caster->path_repelled & spell->path_attuned ? +2 : 0) 109 + (caster->path_repelled & spell->path_attuned ? +8 : 0)
181 + (caster->path_attuned & spell->path_attuned ? -2 : 0); 110 + (caster->path_attuned & spell->path_attuned ? -8 : 0);
182 111
183 return max (1, new_level); 112 return max (1, new_level);
184} 113}
185 114
186/* This function returns the effective level the spell 115/* This function returns the effective level the spell
… …
192int 121int
193caster_level (object *caster, object *spell) 122caster_level (object *caster, object *spell)
194{ 123{
195 int level = caster->level; 124 int level = caster->level;
196 125
197 /* If this is a player, try to find the matching skill */ 126 /* if a rod is fired by a player, take the use_magic_item skill in consideration. */
198 if (caster->type == PLAYER && spell->skill) 127 if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
128 {
129 object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
130 int sk_level = skill ? skill->level : 1;
131
132 level = min (level, sk_level + level / 10 + 1);
133 }
134 else if (caster->type == PLAYER && spell->skill) /* If this is a player, try to find the matching skill */
199 for (int i = 0; i < NUM_SKILLS; i++) 135 for (int i = 0; i < NUM_SKILLS; i++)
200 if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill) 136 if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
201 { 137 {
202 level = caster->contr->last_skill_ob[i]->level; 138 level = caster->contr->last_skill_ob[i]->level;
203 break; 139 break;
204 } 140 }
205 141
206 /* if a rod is fired by a player, take the use_magic_item skill in consideration. */
207 if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
208 {
209 object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
210 int sk_level = skill ? skill->level : 1;
211
212 level = MIN (level, sk_level + level / 10 + 1);
213 }
214
215 /* Got valid caster level. Now adjust for attunement */ 142 /* Got valid caster level. Now adjust for attunement */
216 level += caster->path_repelled & spell->path_attuned ? -2 : 0; 143 level += caster->path_repelled & spell->path_attuned ? -8 : 0;
217 level += caster->path_attuned & spell->path_attuned ? +2 : 0; 144 level += caster->path_attuned & spell->path_attuned ? +8 : 0;
218 145
219 /* Always make this at least 1. If this is zero, we get divide by zero 146 /* Always make this at least 1. If this is zero, we get divide by zero
220 * errors in various places. 147 * errors in various places.
221 */ 148 */
222 return max (level, 1); 149 return max (level, 1);
… …
266 else 193 else
267 { 194 {
268 sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); 195 sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell));
269 if (spell->stats.sp && !sp) 196 if (spell->stats.sp && !sp)
270 sp = 1; 197 sp = 1;
198
271 grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); 199 grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell));
272 if (spell->stats.grace && !grace) 200 if (spell->stats.grace && !grace)
273 grace = 1; 201 grace = 1;
274 } 202 }
203
275 if (flags == SPELL_HIGHEST) 204 if (flags == SPELL_HIGHEST)
276 return MAX (sp, grace); 205 return MAX (sp, grace);
277 else if (flags == SPELL_GRACE) 206 else if (flags == SPELL_GRACE)
278 return grace; 207 return grace;
279 else if (flags == SPELL_MANA) 208 else if (flags == SPELL_MANA)
… …
283 LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags); 212 LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags);
284 return 0; 213 return 0;
285 } 214 }
286} 215}
287 216
288
289/* SP_level_dam_adjust: Returns adjusted damage based on the caster. 217/* SP_level_dam_adjust: Returns adjusted damage based on the caster.
290 * spob is the spell we are adjusting. 218 * spob is the spell we are adjusting.
291 */ 219 */
292int 220int
293SP_level_dam_adjust (object *caster, object *spob) 221SP_level_dam_adjust (object *caster, object *spob)
294{ 222{
223 if (!spob->dam_modifier)
224 return 0;
225
295 int level = caster_level (caster, spob); 226 int level = caster_level (caster, spob);
296 int adj = level - min_casting_level (caster, spob); 227 return max (0, level - min_casting_level (caster, spob)) / spob->dam_modifier;
297
298 if (adj < 0)
299 adj = 0;
300 if (spob->dam_modifier)
301 adj /= spob->dam_modifier;
302 else
303 adj = 0;
304 return adj;
305} 228}
306 229
307/* Adjust the strength of the spell based on level. 230/* Adjust the strength of the spell based on level.
308 * This is basically the same as SP_level_dam_adjust above, 231 * This is basically the same as SP_level_dam_adjust above,
309 * but instead looks at the level_modifier value. 232 * but instead looks at the level_modifier value.
310 */ 233 */
311int 234int
312SP_level_duration_adjust (object *caster, object *spob) 235SP_level_duration_adjust (object *caster, object *spob)
313{ 236{
237 if (!spob->duration_modifier)
238 return 0;
239
314 int level = caster_level (caster, spob); 240 int level = caster_level (caster, spob);
315 int adj = level - min_casting_level (caster, spob); 241 return max (0, level - min_casting_level (caster, spob)) / spob->duration_modifier;
316
317 if (adj < 0)
318 adj = 0;
319 if (spob->duration_modifier)
320 adj /= spob->duration_modifier;
321 else
322 adj = 0;
323
324 return adj;
325} 242}
326 243
327/* Adjust the strength of the spell based on level. 244/* Adjust the strength of the spell based on level.
328 * This is basically the same as SP_level_dam_adjust above, 245 * This is basically the same as SP_level_dam_adjust above,
329 * but instead looks at the level_modifier value. 246 * but instead looks at the level_modifier value.
330 */ 247 */
331int 248int
332SP_level_range_adjust (object *caster, object *spob) 249SP_level_range_adjust (object *caster, object *spob)
333{ 250{
251 if (!spob->range_modifier)
252 return 0;
253
334 int level = caster_level (caster, spob); 254 int level = caster_level (caster, spob);
335 int adj = level - min_casting_level (caster, spob); 255 return (level - min_casting_level (caster, spob)) / spob->range_modifier;
336
337 if (adj < 0)
338 adj = 0;
339 if (spob->range_modifier)
340 adj /= spob->range_modifier;
341 else
342 adj = 0;
343
344 return adj;
345} 256}
346 257
347/* Checks to see if player knows the spell. If the name is the same 258/* Checks to see if player knows the spell. If the name is the same
348 * as an existing spell, we presume they know it. 259 * as an existing spell, we presume they know it.
349 * returns 1 if they know the spell, 0 if they don't. 260 * returns 1 if they know the spell, 0 if they don't.
350 */ 261 */
351object * 262object *
352check_spell_known (object *op, const char *name) 263check_spell_known (object *op, const char *name)
353{ 264{
354 object *spop; 265 object *spop;
266 shstr_cmp name_ (name);
355 267
356 for (spop = op->inv; spop; spop = spop->below) 268 for (spop = op->inv; spop; spop = spop->below)
357 if (spop->type == SPELL && !strcmp (spop->name, name)) 269 if (spop->type == SPELL && spop->name == name)
358 return spop; 270 return spop;
359 271
360 return NULL; 272 return 0;
361} 273}
362 274
363 275
364/* 276/*
365 * Look at object 'op' and see if they know the spell 277 * Look at object 'op' and see if they know the spell
… …
458 new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way."); 370 new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
459 new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet."); 371 new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet.");
460 dir = 0; 372 dir = 0;
461 } 373 }
462 374
375 SET_FLAG (new_op, FLAG_IDENTIFIED);
463 op->map->insert (new_op, 376 op->map->insert (new_op,
464 op->x + freearr_x[dir], op->y + freearr_y[dir], 377 op->x + freearr_x[dir], op->y + freearr_y[dir],
465 op, 378 op,
466 dir ? 0 : INS_BELOW_ORIGINATOR); 379 dir ? 0 : INS_BELOW_ORIGINATOR);
467 380
… …
526 /* 439 /*
527 * Combine similar spell effects into one spell effect. Needed for 440 * Combine similar spell effects into one spell effect. Needed for
528 * performance reasons with meteor swarm and the like, but also for 441 * performance reasons with meteor swarm and the like, but also for
529 * playability reasons. 442 * playability reasons.
530 */ 443 */
531 if (tmp->arch == op->arch 444 if (tmp->arch == op->arch /* no harm if not comparing by name here */
532 && tmp->type == op->type 445 && tmp->type == op->type
533 && tmp->subtype == op->subtype 446 && tmp->subtype == op->subtype
534 && tmp->owner == op->owner 447 && tmp->owner == op->owner
535 && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) 448 && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
536 { 449 {
… …
557 * dir: direction to fire in. 470 * dir: direction to fire in.
558 * spell: spell that is being fired. It uses other_arch for the archetype 471 * spell: spell that is being fired. It uses other_arch for the archetype
559 * to fire. 472 * to fire.
560 * returns 0 on failure, 1 on success. 473 * returns 0 on failure, 1 on success.
561 */ 474 */
562
563int 475int
564fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) 476fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
565{ 477{
566 object *tmp;
567 int mflags;
568 maptile *m;
569
570 if (spell->other_arch == NULL) 478 if (!spell->other_arch)
571 return 0; 479 return 0;
572 480
573 m = op->map; 481 mapxy pos (op->map, x, y);//TODO, should not pass x, y
574 mflags = get_map_flags (m, &m, x, y, &x, &y);
575 if (mflags & P_OUT_OF_MAP)
576 {
577 return 0;
578 }
579 482
580 tmp = arch_to_object (spell->other_arch); 483 pos.move (dir ? dir : rndm (1, 8));
581 484
582 if (tmp == NULL) 485 if (!pos.normalise ())
583 return 0; 486 return 0;
584 487
585 if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y))) 488 object *tmp = spell->other_arch->instance ();
489
490 if (!tmp)
491 return 0;
492
493 if (pos.ms ().blocks (tmp))
586 { 494 {
587 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n"); 495 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast this spell on top of a wall!\n");
588 tmp->destroy (); 496 tmp->destroy ();
589 return 0; 497 return 0;
590 } 498 }
591 499
592 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); 500 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
… …
596 tmp->range = spell->range + SP_level_range_adjust (caster, spell); 504 tmp->range = spell->range + SP_level_range_adjust (caster, spell);
597 tmp->attacktype = spell->attacktype; 505 tmp->attacktype = spell->attacktype;
598 tmp->x = x; 506 tmp->x = x;
599 tmp->y = y; 507 tmp->y = y;
600 tmp->direction = dir; 508 tmp->direction = dir;
601 if (op->owner != NULL)
602 tmp->set_owner (op); 509 tmp->set_owner (op);
603 else
604 tmp->set_owner (op);
605 tmp->level = caster_level (caster, spell); 510 tmp->level = caster_level (caster, spell);
606 set_spell_skill (op, caster, spell, tmp); 511 set_spell_skill (op, caster, spell, tmp);
607 512
608 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ 513 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */
609 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) 514 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
610 {
611 if (!tailor_god_spell (tmp, op)) 515 if (!tailor_god_spell (tmp, op))
612 return 0; 516 return 0;
613 } 517
614 if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) 518 if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
615 SET_ANIMATION (tmp, dir); 519 SET_ANIMATION (tmp, dir);
616 520
617 if ((tmp = insert_ob_in_map (tmp, m, op, 0))) 521 if ((tmp = op->map->insert (tmp, x, y, op)))
618 move_spell_effect (tmp); 522 move_spell_effect (tmp);
619 523
620 return 1; 524 return 1;
621} 525}
622 526
… …
677 if (!tmp) 581 if (!tmp)
678 tmp = op->ms ().player (); 582 tmp = op->ms ().player ();
679 583
680 return tmp; 584 return tmp;
681} 585}
682
683
684 586
685/* raytrace: 587/* raytrace:
686 * spell_find_dir(map, x, y, exclude) will search first the center square 588 * spell_find_dir(map, x, y, exclude) will search first the center square
687 * then some close squares in the given map at the given coordinates for 589 * then some close squares in the given map at the given coordinates for
688 * live objects. 590 * live objects.
… …
691 * monsters/generators only. If not, the spell will hunt players only. 593 * 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 594 * It returns the direction toward the first/closest live object if it finds
693 * any, otherwise -1. 595 * any, otherwise -1.
694 * note that exclude can be NULL, in which case all bets are off. 596 * note that exclude can be NULL, in which case all bets are off.
695 */ 597 */
696
697int 598int
698spell_find_dir (maptile *m, int x, int y, object *exclude) 599spell_find_dir (maptile *m, int x, int y, object *exclude)
699{ 600{
700 int i, max = SIZEOFFREE; 601 int i, max = SIZEOFFREE;
701 sint16 nx, ny; 602 sint16 nx, ny;
… …
748 649
749 /* find a free square nearby 650 /* find a free square nearby
750 * first we check the closest square for free squares 651 * first we check the closest square for free squares
751 */ 652 */
752 653
753 dir = find_first_free_spot (&at->clone, op->map, op->x, op->y); 654 dir = find_first_free_spot (at, op->map, op->x, op->y);
754 if (dir != -1) 655 if (dir != -1)
755 { 656 {
756 /* This is basically grabbed for generate monster. Fixed 971225 to 657 /* This is basically grabbed for generate monster. Fixed 971225 to
757 * insert multipart monsters properly 658 * insert multipart monsters properly
758 */ 659 */
660 //TODO: use expand_tail + ...
759 while (at != NULL) 661 while (at != NULL)
760 { 662 {
761 tmp = arch_to_object (at); 663 tmp = arch_to_object (at);
762 tmp->x = op->x + freearr_x[dir] + at->clone.x; 664 tmp->x = op->x + freearr_x[dir] + at->x;
763 tmp->y = op->y + freearr_y[dir] + at->clone.y; 665 tmp->y = op->y + freearr_y[dir] + at->y;
764 tmp->map = op->map; 666 tmp->map = op->map;
765 if (head) 667 if (head)
766 { 668 {
767 tmp->head = head; 669 tmp->head = head;
768 prev->more = tmp; 670 prev->more = tmp;
769 } 671 }
672
770 if (!head) 673 if (!head)
771 head = tmp; 674 head = tmp;
675
772 prev = tmp; 676 prev = tmp;
677
773 at = at->more; 678 at = (archetype *)at->more;
774 } 679 }
775 680
776 if (head->randomitems) 681 if (head->randomitems)
777 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); 682 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
778 683
779 insert_ob_in_map (head, op->map, op, 0); 684 insert_ob_in_map (head, op->map, op, 0);
780 685
781 /* thought it'd be cool to insert a burnout, too. */ 686 /* thought it'd be cool to insert a burnout, too. */
782 op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op); 687 op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
783 } 688 }
784} 689}
785 690
786/* peterm: function which summons hostile monsters and 691/* peterm: function which summons hostile monsters and
787 * places them in nearby squares. 692 * places them in nearby squares.
… …
991 if (!spell_ob->other_arch) 896 if (!spell_ob->other_arch)
992 { 897 {
993 LOG (llevError, "cast_party_spell: empty other arch\n"); 898 LOG (llevError, "cast_party_spell: empty other arch\n");
994 return 0; 899 return 0;
995 } 900 }
901
996 spell = arch_to_object (spell_ob->other_arch); 902 spell = arch_to_object (spell_ob->other_arch);
997 903
998 /* Always cast spell on caster */ 904 /* Always cast spell on caster */
999 success = cast_spell (op, caster, dir, spell, stringarg); 905 success = cast_spell (op, caster, dir, spell, stringarg);
1000 906
1001 if (caster->contr->party == NULL) 907 if (caster->contr->party == NULL)
1002 { 908 {
1003 spell->remove (); 909 spell->remove ();
1004 return success; 910 return success;
1005 } 911 }
912
1006 for_all_players (pl) 913 for_all_players (pl)
1007 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster))) 914 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1008 {
1009 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg); 915 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1010 } 916
1011 spell->remove (); 917 spell->remove ();
1012 return success; 918 return success;
1013} 919}
1014 920
1015/* This is where the main dispatch when someone casts a spell. 921/* This is where the main dispatch when someone casts a spell.
… …
1041 */ 947 */
1042int 948int
1043cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg) 949cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg)
1044{ 950{
1045 const char *godname; 951 const char *godname;
1046 int success = 0, mflags, cast_level = 0; 952 int success = 0, cast_level = 0;
1047 object *skill = NULL; 953 object *skill = NULL;
1048 954
1049 if (!spell_ob) 955 if (!spell_ob)
1050 { 956 {
1051 LOG (llevError, "cast_spell: null spell object passed\n"); 957 LOG (llevError, "cast_spell: null spell object passed\n");
… …
1081 * at least process that code. 987 * at least process that code.
1082 */ 988 */
1083 if (op->type == PLAYER && op == caster) 989 if (op->type == PLAYER && op == caster)
1084 { 990 {
1085 cast_level = caster_level (caster, spell_ob); 991 cast_level = caster_level (caster, spell_ob);
992
1086 if (spell_ob->skill) 993 if (spell_ob->skill)
1087 { 994 {
1088 skill = find_skill_by_name (op, spell_ob->skill); 995 skill = find_skill_by_name (op, spell_ob->skill);
996
1089 if (!skill) 997 if (!skill)
1090 { 998 {
1091 new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s.", &spell_ob->skill, &spell_ob->name); 999 op->failmsg (format ("You need the skill %s to cast %s! "
1000 "H<You either need to learn the skill via a skill scroll "
1001 "or you need to wear a talisman or holy symbol.>",
1002 &spell_ob->skill, &spell_ob->name));
1092 return 0; 1003 return 0;
1093 } 1004 }
1005
1006 int casting_level = min_casting_level (op, spell_ob);
1007
1094 if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) 1008 if (casting_level > cast_level && !QUERY_FLAG (op, FLAG_WIZ))
1095 { 1009 {
1096 new_draw_info (NDI_UNIQUE, 0, op, "You lack enough skill to cast that spell."); 1010 op->failmsg (format ("You lack enough skill to cast that spell! "
1011 "H<Your cast level is %d, but level %d is required. Maybe you are repelled?>",
1012 cast_level, casting_level));
1097 return 0; 1013 return 0;
1098 } 1014 }
1099 } 1015 }
1016
1100 /* If the caster is the wiz, they don't ever fail, and don't have 1017 /* If the caster is the wiz, they don't ever fail, and don't have
1101 * to have sufficient grace/mana. 1018 * to have sufficient grace/mana.
1102 */ 1019 */
1103 if (!QUERY_FLAG (op, FLAG_WIZ)) 1020 if (!QUERY_FLAG (op, FLAG_WIZ))
1104 { 1021 {
1105 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) && 1022 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) &&
1106 SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp) 1023 SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp)
1107 { 1024 {
1108 new_draw_info (NDI_UNIQUE, 0, op, "You don't have enough mana."); 1025 op->failmsg ("You don't have enough mana!");
1109 return 0; 1026 return 0;
1110 } 1027 }
1111 1028
1112 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) && 1029 if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) &&
1113 SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace) 1030 SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) > op->stats.grace)
1114 { 1031 {
1115 if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace - 1032 if (random_roll (0, op->stats.Wis - 1, op, PREFER_HIGH) + op->stats.grace -
1116 10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0) 1033 10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1117 {
1118 new_draw_info_format (NDI_UNIQUE, 0, op, "%s grants your prayer, though you are unworthy.", godname); 1034 op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1119 }
1120 else 1035 else
1121 { 1036 {
1122 prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace); 1037 prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1123 new_draw_info_format (NDI_UNIQUE, 0, op, "%s ignores your prayer.", godname); 1038 op->failmsg (format ("%s ignores your prayer.", godname));
1124 return 0; 1039 return 0;
1125 } 1040 }
1126 } 1041 }
1127 1042
1128 /* player/monster is trying to cast the spell. might fumble it */ 1043 /* player/monster is trying to cast the spell. might fumble it */
1129 if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) < 1044 if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1130 (spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis])) 1045 (spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis]))
1131 { 1046 {
1132 play_sound_player_only (op->contr, SOUND_FUMBLE_SPELL, 0, 0); 1047 op->contr->play_sound (sound_find ("fumble_spell"));
1133 new_draw_info (NDI_UNIQUE, 0, op, "You fumble the spell."); 1048 op->failmsg ("You fumble the prayer.");
1134
1135 if (settings.casting_time == TRUE)
1136 op->casting_time = -1;
1137 1049
1138 op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW); 1050 op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1139 return 0; 1051 return 0;
1140 } 1052 }
1141 else if (spell_ob->stats.sp) 1053 else if (spell_ob->stats.sp)
1142 { 1054 {
1143 int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35; 1055 int failure = random_roll (0, 199, op, PREFER_HIGH) - op->contr->encumbrance + op->level - spell_ob->level + 35;
1144 1056
1145 if (failure < 0) 1057 if (failure < 0)
1146 { 1058 {
1147 new_draw_info (NDI_UNIQUE, 0, op, "You bungle the spell because you have too much heavy equipment in use."); 1059 op->failmsg ("You bungle the spell because you have too much heavy equipment in use.");
1148 if (settings.spell_failure_effects == TRUE) 1060 if (settings.spell_failure_effects == TRUE)
1149 spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill); 1061 spell_failure (op, failure, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), skill);
1150 1062
1151 op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW); 1063 op->stats.sp -= random_roll (0, SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA), op, PREFER_LOW);
1152 return 0; 1064 return 0;
1153 } 1065 }
1154 } 1066 }
1155 } 1067 }
1156 } 1068 }
1157 1069
1158 mflags = get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL); 1070 int mflags = op->ms ().flags ();
1159 1071
1160 /* See if we can cast a spell here. If the caster and op are 1072 /* See if we can cast a spell here. If the caster and op are
1161 * not alive, then this would mean that the mapmaker put the 1073 * not alive, then this would mean that the mapmaker put the
1162 * objects on the space - presume that they know what they are 1074 * objects on the space - presume that they know what they are
1163 * doing. 1075 * doing.
1164 */ 1076 */
1165 1077
1166 if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)! 1078 if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1167 { 1079 {
1168 new_draw_info (NDI_UNIQUE, 0, op, "This ground is sacred! The gods prevent any magical effects done by you here!."); 1080 op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1169 return 0; 1081 return 0;
1170 } 1082 }
1171 1083
1172 if ((spell_ob->type == SPELL) 1084 if ((spell_ob->type == SPELL)
1173 && (caster->type != POTION) 1085 && (caster->type != POTION)
… …
1178 { 1090 {
1179 if (op->type != PLAYER) 1091 if (op->type != PLAYER)
1180 return 0; 1092 return 0;
1181 1093
1182 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace) 1094 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1183 new_draw_info_format (NDI_UNIQUE, 0, op, "This ground is unholy! %s ignores you.", godname); 1095 op->failmsg (format ("This ground is unholy! %s ignores you.", godname));
1184 else if (object *item = op->contr->ranged_ob) 1096 else if (object *item = op->contr->ranged_ob)
1185 { 1097 {
1186 if (item->type == SPELL) 1098 if (item->type == SPELL)
1187 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks your spellcasting."); 1099 op->failmsg ("Something blocks your spellcasting.");
1188 else if (item->type == SCROLL) 1100 else if (item->type == SCROLL)
1189 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your scroll."); 1101 op->failmsg ("Something blocks the magic of your scroll.");
1190 else 1102 else
1191 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the magic of your item."); 1103 op->failmsg ("Something blocks the magic of your item.");
1192 } 1104 }
1193 else 1105 else
1194 new_draw_info (NDI_UNIQUE, 0, op, "Something blocks the spell!"); 1106 op->failmsg ("Something blocks the spell!");
1195 1107
1196 return 0; 1108 return 0;
1197 } 1109 }
1198 1110
1199 if (caster == op && settings.casting_time == TRUE && spell_ob->type == SPELL)
1200 {
1201 if (op->casting_time == -1)
1202 { /* begin the casting */
1203 op->casting_time = (sint16) (spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob));
1204 op->spell = spell_ob;
1205 /* put the stringarg into the object struct so that when the
1206 * spell is actually cast, it knows about the stringarg.
1207 * necessary for the invoke command spells.
1208 */
1209 if (stringarg)
1210 {
1211 op->spellarg = strdup (stringarg);
1212 }
1213 else
1214 op->spellarg = NULL;
1215 return 0;
1216 }
1217 else if (op->casting_time != 0)
1218 {
1219 if (op->type == PLAYER)
1220 new_draw_info (NDI_UNIQUE, 0, op, "You are casting!");
1221 return 0;
1222 }
1223 else
1224 { /* casting_time == 0 */
1225 op->casting_time = -1;
1226 spell_ob = op->spell;
1227 stringarg = op->spellarg;
1228 }
1229 }
1230 else
1231 {
1232 /* Take into account how long it takes to cast the spell. 1111 /* Take into account how long it takes to cast the spell.
1233 * if the player is casting it, then we use the time in 1112 * if the player is casting it, then we use the time in
1234 * the spell object. If it is a spell object, have it 1113 * the spell object. If it is a spell object, have it
1235 * take two ticks. Things that cast spells on the players 1114 * take two ticks. Things that cast spells on the players
1236 * behalf (eg, altars, and whatever else) shouldn't cost 1115 * behalf (eg, altars, and whatever else) shouldn't cost
1237 * the player any time. 1116 * the player any time.
1238 * Ignore casting time for firewalls 1117 * Ignore casting time for firewalls
1118 */
1119 if (caster == op && caster->type != FIREWALL)
1120 {
1121 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1122 /* Other portions of the code may also decrement the speed of the player, so
1123 * put a lower limit so that the player isn't stuck here too long
1239 */ 1124 */
1240 if (caster == op && caster->type != FIREWALL)
1241 {
1242 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1243 /* Other portions of the code may also decrement the speed of the player, so
1244 * put a lower limit so that the player isn't stuck here too long
1245 */
1246 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed)) 1125 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed))
1247 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); 1126 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed);
1248 } 1127 }
1249 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL) 1128 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1250 {
1251 op->speed_left -= 2 * FABS (op->speed); 1129 op->speed_left -= 2 * FABS (op->speed);
1252 }
1253 }
1254 1130
1255 if (op->type == PLAYER && op == caster) 1131 if (op->type == PLAYER && op == caster)
1256 { 1132 {
1257 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE); 1133 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1258 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA); 1134 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
… …
1265 if (op != caster && !skill && caster->skill) 1141 if (op != caster && !skill && caster->skill)
1266 { 1142 {
1267 skill = find_skill_by_name (op, caster->skill); 1143 skill = find_skill_by_name (op, caster->skill);
1268 if (!skill) 1144 if (!skill)
1269 { 1145 {
1270 new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the skill %s to use the %s", &caster->skill, query_name (caster)); 1146 op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster)));
1271 return 0; 1147 return 0;
1272 } 1148 }
1149
1273 change_skill (op, skill, 0); /* needed for proper exp credit */ 1150 op->change_skill (skill); /* needed for proper exp credit */
1274 } 1151 }
1152
1153 if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1154 return RESULT_INT (0);
1275 1155
1276 switch (spell_ob->subtype) 1156 switch (spell_ob->subtype)
1277 { 1157 {
1278 /* The order of case statements is same as the order they show up 1158 /* The order of case statements is same as the order they show up
1279 * in in spells.h. 1159 * in in spells.h.
1280 */ 1160 */
1281 case SP_RAISE_DEAD: 1161 case SP_RAISE_DEAD:
1282 success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg); 1162 success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg);
1283 break; 1163 break;
1284 1164
1285 case SP_RUNE: 1165 case SP_RUNE:
… …
1313 case SP_SMITE: 1193 case SP_SMITE:
1314 success = cast_smite_spell (op, caster, dir, spell_ob); 1194 success = cast_smite_spell (op, caster, dir, spell_ob);
1315 break; 1195 break;
1316 1196
1317 case SP_MAGIC_MISSILE: 1197 case SP_MAGIC_MISSILE:
1318 success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); 1198 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1319 break; 1199 break;
1320 1200
1321 case SP_SUMMON_GOLEM: 1201 case SP_SUMMON_GOLEM:
1322 success = summon_golem (op, caster, dir, spell_ob); 1202 success = summon_golem (op, caster, dir, spell_ob);
1323 break; 1203 break;
… …
1400#ifdef NO_POLYMORPH 1280#ifdef NO_POLYMORPH
1401 /* Not great, but at least provide feedback so if players do have 1281 /* Not great, but at least provide feedback so if players do have
1402 * polymorph (ie, find it as a preset item or left over from before 1282 * polymorph (ie, find it as a preset item or left over from before
1403 * it was disabled), they get some feedback. 1283 * it was disabled), they get some feedback.
1404 */ 1284 */
1405 new_draw_info (NDI_UNIQUE, 0, op, "The spell fizzles"); 1285 op->failmsg ("The spell fizzles!");
1406 success = 0; 1286 success = 0;
1407#else 1287#else
1408 success = cast_polymorph (op, caster, spell_ob, dir); 1288 success = cast_polymorph (op, caster, spell_ob, dir);
1409#endif 1289#endif
1410 break; 1290 break;
… …
1430 break; 1310 break;
1431 1311
1432 case SP_MOVING_BALL: 1312 case SP_MOVING_BALL:
1433 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled) 1313 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1434 { 1314 {
1435 new_draw_info_format (NDI_UNIQUE, 0, op, "You lack the proper attunement to cast %s", &spell_ob->name); 1315 op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name));
1436 success = 0; 1316 success = 0;
1437 } 1317 }
1438 else 1318 else
1439 success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); 1319 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1440 break; 1320 break;
1441 1321
1442 case SP_SWARM: 1322 case SP_SWARM:
1443 success = fire_swarm (op, caster, spell_ob, dir); 1323 success = fire_swarm (op, caster, spell_ob, dir);
1444 break; 1324 break;
… …
1482 1362
1483 case SP_AURA: 1363 case SP_AURA:
1484 success = create_aura (op, caster, spell_ob); 1364 success = create_aura (op, caster, spell_ob);
1485 break; 1365 break;
1486 1366
1487 case SP_TOWN_PORTAL:
1488 success = cast_create_town_portal (op, caster, spell_ob, dir);
1489 break;
1490
1491 case SP_PARTY_SPELL: 1367 case SP_PARTY_SPELL:
1492 success = cast_party_spell (op, caster, dir, spell_ob, stringarg); 1368 success = cast_party_spell (op, caster, dir, spell_ob, stringarg);
1493 break; 1369 break;
1494 1370
1495 default: 1371 default:
1496 if (!INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg)))
1497 LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype); 1372 LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype);
1498 }
1499
1500 /* FIXME - we need some better sound suppport */
1501 // yes, for example, augment map info with the spell effect
1502 // so clients can calculate the sounds themselves
1503 //play_sound_map(op->map, op->x, op->y, SOUND_CAST_SPELL_0 + spell_ob->subtype);
1504
1505 /* free the spell arg */
1506 if (settings.casting_time == TRUE && stringarg)
1507 { 1373 }
1508 free (stringarg); 1374
1509 stringarg = 0; 1375 op->play_sound (
1510 } 1376 success
1377 ? spell_ob->sound
1378 ? spell_ob->sound
1379 : sound_find ("spell_success")
1380 : sound_find ("fumble_spell")
1381 );
1511 1382
1512 return success; 1383 return success;
1513} 1384}
1514 1385
1515
1516/* This is called from time.c/process_object(). That function 1386/* This is called from time.c/process_object(). That function
1517 * calls this for any SPELL_EFFECT type objects. This function 1387 * calls this for any SPELL_EFFECT type objects. This function
1518 * then dispatches them to the appropriate specific routines. 1388 * then dispatches them to the appropriate specific routines.
1519 */ 1389 */
1520void 1390void
1521move_spell_effect (object *op) 1391move_spell_effect (object *op)
1522{ 1392{
… …
1613 else if (victim->materialname) 1483 else if (victim->materialname)
1614 save_throw_object (victim, spell->attacktype, spell); 1484 save_throw_object (victim, spell->attacktype, spell);
1615 break; 1485 break;
1616 } 1486 }
1617} 1487}
1488

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