ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/server/spell_util.C
(Generate patch)

Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.16 by root, Thu Sep 14 23:13:49 2006 UTC vs.
Revision 1.24 by root, Wed Dec 20 09:14:22 2006 UTC

… …
153/* pretty basic function - basically just takes 153/* pretty basic function - basically just takes
154 * an object, sets the x,y, and calls insert_ob_in_map 154 * an object, sets the x,y, and calls insert_ob_in_map
155 */ 155 */
156 156
157void 157void
158spell_effect (object *spob, int x, int y, mapstruct *map, object *originator) 158spell_effect (object *spob, int x, int y, maptile *map, object *originator)
159{ 159{
160 160
161 if (spob->other_arch != NULL) 161 if (spob->other_arch != NULL)
162 { 162 {
163 object *effect = arch_to_object (spob->other_arch); 163 object *effect = arch_to_object (spob->other_arch);
… …
183min_casting_level (object *caster, object *spell) 183min_casting_level (object *caster, object *spell)
184{ 184{
185 int new_level; 185 int new_level;
186 186
187 if (caster->path_denied & spell->path_attuned) 187 if (caster->path_denied & spell->path_attuned)
188 {
189 /* This case is not a bug, just the fact that this function is
190 * usually called BEFORE checking for path_deny. -AV
191 */
192#if 0
193 LOG (llevError, "BUG: path_level_mod (arch %s, name %s): casting denied " "spell\n", caster->arch->name, caster->name);
194#endif
195 return 1; 188 return 1;
196 } 189
197 new_level = spell->level 190 new_level = spell->level
198 + ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0); 191 + ((caster->path_repelled & spell->path_attuned) ? +2 : 0) + ((caster->path_attuned & spell->path_attuned) ? -2 : 0);
192
199 return (new_level < 1) ? 1 : new_level; 193 return (new_level < 1) ? 1 : new_level;
200} 194}
201 195
202 196
203/* This function returns the effective level the spell 197/* This function returns the effective level the spell
… …
212{ 206{
213 int level = caster->level; 207 int level = caster->level;
214 208
215 /* If this is a player, try to find the matching skill */ 209 /* If this is a player, try to find the matching skill */
216 if (caster->type == PLAYER && spell->skill) 210 if (caster->type == PLAYER && spell->skill)
217 {
218 int i;
219
220 for (i = 0; i < NUM_SKILLS; i++) 211 for (int i = 0; i < NUM_SKILLS; i++)
221 if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill) 212 if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill)
222 { 213 {
223 level = caster->contr->last_skill_ob[i]->level; 214 level = caster->contr->last_skill_ob[i]->level;
224 break; 215 break;
225 } 216 }
226 }
227 217
228 /* if a rod is fired by a player, take the use_magic_item skill in consideration. */ 218 /* if a rod is fired by a player, take the use_magic_item skill in consideration. */
229 if (caster->type == ROD && caster->env && caster->env->type == PLAYER) 219 if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
230 { 220 {
231 object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM); 221 object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
… …
240 /* Always make this at least 1. If this is zero, we get divide by zero 230 /* Always make this at least 1. If this is zero, we get divide by zero
241 * errors in various places. 231 * errors in various places.
242 */ 232 */
243 if (level < 1) 233 if (level < 1)
244 level = 1; 234 level = 1;
235
245 return level; 236 return level;
246} 237}
247 238
248/* The following function scales the spellpoint cost of 239/* The following function scales the spellpoint cost of
249 * a spell by it's increased effectiveness. Some of the 240 * a spell by it's increased effectiveness. Some of the
… …
444 * reflect_spell fails.) 435 * reflect_spell fails.)
445 * Caller should be sure it passes us valid map coordinates 436 * Caller should be sure it passes us valid map coordinates
446 * eg, updated for tiled maps. 437 * eg, updated for tiled maps.
447 */ 438 */
448int 439int
449reflwall (mapstruct *m, int x, int y, object *sp_op) 440reflwall (maptile *m, int x, int y, object *sp_op)
450{ 441{
451 object *op; 442 object *op;
452 443
453 if (OUT_OF_REAL_MAP (m, x, y)) 444 if (OUT_OF_REAL_MAP (m, x, y))
454 return 0; 445 return 0;
455 for (op = get_map_ob (m, x, y); op != NULL; op = op->above) 446 for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
456 if (QUERY_FLAG (op, FLAG_REFL_SPELL) && (!QUERY_FLAG (op, FLAG_ALIVE) || 447 if (QUERY_FLAG (op, FLAG_REFL_SPELL)
457 sp_op->type == LIGHTNING || (rndm (0, 99)) < 90 - (sp_op->level / 10))) 448 && (!QUERY_FLAG (op, FLAG_ALIVE)
449 || sp_op->type == LIGHTNING // XXX: elmex: why is LIGHTNING special cased here?
450 // most spells use subtypes for bolts today...
451 || (rndm (0, 99)) < 90 - (sp_op->level / 10)))
458 return 1; 452 return 1;
459 453
460 return 0; 454 return 0;
461} 455}
462 456
… …
468 * in. 462 * in.
469 */ 463 */
470int 464int
471cast_create_obj (object *op, object *caster, object *new_op, int dir) 465cast_create_obj (object *op, object *caster, object *new_op, int dir)
472{ 466{
473 mapstruct *m; 467 maptile *m;
474 sint16 sx, sy; 468 sint16 sx, sy;
475 469
476 if (dir && 470 if (dir &&
477 ((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) || 471 ((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) ||
478 OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy)))) 472 OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy))))
… …
498 * does not have AT_MAGIC, then counterwalls do not effect the spell. 492 * does not have AT_MAGIC, then counterwalls do not effect the spell.
499 * 493 *
500 */ 494 */
501 495
502int 496int
503ok_to_put_more (mapstruct *m, sint16 x, sint16 y, object *op, int immune_stop) 497ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
504{ 498{
505 object *tmp; 499 object *tmp;
506 int mflags; 500 int mflags;
507 mapstruct *mp; 501 maptile *mp;
508 502
509 mp = m; 503 mp = m;
510 mflags = get_map_flags (m, &mp, x, y, &x, &y); 504 mflags = get_map_flags (m, &mp, x, y, &x, &y);
511 505
512 if (mflags & P_OUT_OF_MAP) 506 if (mflags & P_OUT_OF_MAP)
513 return 0; 507 return 0;
514 508
515 if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y))) 509 if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))
516 return 0; 510 return 0;
517 511
518 for (tmp = get_map_ob (mp, x, y); tmp != NULL; tmp = tmp->above) 512 for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above)
519 { 513 {
520 /* If there is a counterspell on the space, and this 514 /* If there is a counterspell on the space, and this
521 * object is using magic, don't progress. I believe we could 515 * object is using magic, don't progress. I believe we could
522 * leave this out and let in progress, and other areas of the code 516 * leave this out and let in progress, and other areas of the code
523 * will then remove it, but that would seem to to use more 517 * will then remove it, but that would seem to to use more
… …
578int 572int
579fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) 573fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
580{ 574{
581 object *tmp; 575 object *tmp;
582 int mflags; 576 int mflags;
583 mapstruct *m; 577 maptile *m;
584 578
585 if (spell->other_arch == NULL) 579 if (spell->other_arch == NULL)
586 return 0; 580 return 0;
587 581
588 m = op->map; 582 m = op->map;
… …
598 return 0; 592 return 0;
599 593
600 if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y))) 594 if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
601 { 595 {
602 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n"); 596 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
603 free_object (tmp); 597 tmp->destroy ();
604 return 0; 598 return 0;
605 } 599 }
606
607
608 600
609 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); 601 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
610 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); 602 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
611 /* code in time.c uses food for some things, duration for others */ 603 /* code in time.c uses food for some things, duration for others */
612 tmp->stats.food = tmp->duration; 604 tmp->stats.food = tmp->duration;
613 tmp->range = spell->range + SP_level_range_adjust (caster, spell); 605 tmp->range = spell->range + SP_level_range_adjust (caster, spell);
614 tmp->attacktype = spell->attacktype; 606 tmp->attacktype = spell->attacktype;
615 tmp->x = x; 607 tmp->x = x;
616 tmp->y = y; 608 tmp->y = y;
617 tmp->direction = dir; 609 tmp->direction = dir;
618 if (get_owner (op) != NULL) 610 if (op->owner != NULL)
619 copy_owner (tmp, op); 611 tmp->set_owner (op);
620 else 612 else
621 set_owner (tmp, op); 613 tmp->set_owner (op);
622 tmp->level = caster_level (caster, spell); 614 tmp->level = caster_level (caster, spell);
623 set_spell_skill (op, caster, spell, tmp); 615 set_spell_skill (op, caster, spell, tmp);
624 616
625 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ 617 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */
626 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) 618 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
… …
678 670
679object * 671object *
680find_target_for_friendly_spell (object *op, int dir) 672find_target_for_friendly_spell (object *op, int dir)
681{ 673{
682 object *tmp; 674 object *tmp;
683 mapstruct *m; 675 maptile *m;
684 sint16 x, y; 676 sint16 x, y;
685 int mflags; 677 int mflags;
686 678
687 /* I don't really get this block - if op isn't a player or rune, 679 /* I don't really get this block - if op isn't a player or rune,
688 * we then make the owner of this object the target. 680 * we then make the owner of this object the target.
689 * The owner could very well be no where near op. 681 * The owner could very well be no where near op.
690 */ 682 */
691 if (op->type != PLAYER && op->type != RUNE) 683 if (op->type != PLAYER && op->type != RUNE)
692 { 684 {
693 tmp = get_owner (op); 685 tmp = op->owner;
694 /* If the owner does not exist, or is not a monster, than apply the spell 686 /* If the owner does not exist, or is not a monster, than apply the spell
695 * to the caster. 687 * to the caster.
696 */ 688 */
697 if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER)) 689 if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))
698 tmp = op; 690 tmp = op;
… …
707 699
708 if (mflags & P_OUT_OF_MAP) 700 if (mflags & P_OUT_OF_MAP)
709 tmp = NULL; 701 tmp = NULL;
710 else 702 else
711 { 703 {
712 for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above) 704 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
713 if (tmp->type == PLAYER) 705 if (tmp->type == PLAYER)
714 break; 706 break;
715 } 707 }
716 } 708 }
717 /* didn't find a player there, look in current square for a player */ 709 /* didn't find a player there, look in current square for a player */
718 if (tmp == NULL) 710 if (tmp == NULL)
719 for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 711 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
720 { 712 {
721 if (tmp->type == PLAYER) 713 if (tmp->type == PLAYER)
722 break; 714 break;
723 } 715 }
724 716
… …
738 * any, otherwise -1. 730 * any, otherwise -1.
739 * note that exclude can be NULL, in which case all bets are off. 731 * note that exclude can be NULL, in which case all bets are off.
740 */ 732 */
741 733
742int 734int
743spell_find_dir (mapstruct *m, int x, int y, object *exclude) 735spell_find_dir (maptile *m, int x, int y, object *exclude)
744{ 736{
745 int i, max = SIZEOFFREE; 737 int i, max = SIZEOFFREE;
746 sint16 nx, ny; 738 sint16 nx, ny;
747 int owner_type = 0, mflags; 739 int owner_type = 0, mflags;
748 object *tmp; 740 object *tmp;
749 mapstruct *mp; 741 maptile *mp;
750 742
751 if (exclude && exclude->head) 743 if (exclude && exclude->head)
752 exclude = exclude->head; 744 exclude = exclude->head;
753 if (exclude && exclude->type) 745 if (exclude && exclude->type)
754 owner_type = exclude->type; 746 owner_type = exclude->type;
… …
760 mp = m; 752 mp = m;
761 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); 753 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
762 if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW)) 754 if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
763 continue; 755 continue;
764 756
765 tmp = get_map_ob (mp, nx, ny); 757 tmp = GET_MAP_OB (mp, nx, ny);
766 758
767 while (tmp != NULL && (((owner_type == PLAYER && 759 while (tmp != NULL && (((owner_type == PLAYER &&
768 !QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) || 760 !QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||
769 (owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude)))) 761 (owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
770 tmp = tmp->above; 762 tmp = tmp->above;
… …
966 if (failure <= -20 && failure > -40) /* wonder */ 958 if (failure <= -20 && failure > -40) /* wonder */
967 { 959 {
968 new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname); 960 new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);
969 tmp = get_archetype (SPELL_WONDER); 961 tmp = get_archetype (SPELL_WONDER);
970 cast_cone (op, op, 0, tmp); 962 cast_cone (op, op, 0, tmp);
971 free_object (tmp); 963 tmp->destroy ();
972 } 964 }
973 965
974 else if (failure <= -40 && failure > -60) /* confusion */ 966 else if (failure <= -40 && failure > -60) /* confusion */
975 { 967 {
976 new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!"); 968 new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");
… …
1010 if (failure <= -20 && failure > -40) /* wonder */ 1002 if (failure <= -20 && failure > -40) /* wonder */
1011 { 1003 {
1012 new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect."); 1004 new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");
1013 tmp = get_archetype (SPELL_WONDER); 1005 tmp = get_archetype (SPELL_WONDER);
1014 cast_cone (op, op, 0, tmp); 1006 cast_cone (op, op, 0, tmp);
1015 free_object (tmp); 1007 tmp->destroy ();
1016 } 1008 }
1017 1009
1018 else if (failure <= -40 && failure > -60) /* confusion */ 1010 else if (failure <= -40 && failure > -60) /* confusion */
1019 { 1011 {
1020 new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!"); 1012 new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");
… …
1075 /* Always cast spell on caster */ 1067 /* Always cast spell on caster */
1076 success = cast_spell (op, caster, dir, spell, stringarg); 1068 success = cast_spell (op, caster, dir, spell, stringarg);
1077 1069
1078 if (caster->contr->party == NULL) 1070 if (caster->contr->party == NULL)
1079 { 1071 {
1080 remove_ob (spell); 1072 spell->remove ();
1081 return success; 1073 return success;
1082 } 1074 }
1083 for (pl = first_player; pl != NULL; pl = pl->next) 1075 for (pl = first_player; pl != NULL; pl = pl->next)
1084 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster))) 1076 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1085 { 1077 {
1086 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg); 1078 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1087 } 1079 }
1088 remove_ob (spell); 1080 spell->remove ();
1089 return success; 1081 return success;
1090} 1082}
1091 1083
1092/* This is where the main dispatch when someone casts a spell. 1084/* This is where the main dispatch when someone casts a spell.
1093 * 1085 *
… …
1143 } 1135 }
1144 1136
1145 /* if caster is a spell casting object, this normally shouldn't be 1137 /* if caster is a spell casting object, this normally shouldn't be
1146 * an issue, because they don't have any spellpaths set up. 1138 * an issue, because they don't have any spellpaths set up.
1147 */ 1139 */
1148 if (caster->path_denied & spell_ob->path_attuned) 1140 if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))
1149 { 1141 {
1150 new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you."); 1142 new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");
1151 return 0; 1143 return 0;
1152 } 1144 }
1153 1145
… …
1288 * spell is actually cast, it knows about the stringarg. 1280 * spell is actually cast, it knows about the stringarg.
1289 * necessary for the invoke command spells. 1281 * necessary for the invoke command spells.
1290 */ 1282 */
1291 if (stringarg) 1283 if (stringarg)
1292 { 1284 {
1293 op->spellarg = strdup_local (stringarg); 1285 op->spellarg = strdup (stringarg);
1294 } 1286 }
1295 else 1287 else
1296 op->spellarg = NULL; 1288 op->spellarg = NULL;
1297 return 0; 1289 return 0;
1298 } 1290 }
… …
1691 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1683 if (QUERY_FLAG (victim, FLAG_ALIVE))
1692 { 1684 {
1693 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); 1685 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1694 1686
1695 if (!spell->destroyed ()) 1687 if (!spell->destroyed ())
1696 { 1688 spell->destroy ();
1697 remove_ob (spell);
1698 free_object (spell);
1699 }
1700 } 1689 }
1701 break; 1690 break;
1702 1691
1703 case SP_MOVING_BALL: 1692 case SP_MOVING_BALL:
1704 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1693 if (QUERY_FLAG (victim, FLAG_ALIVE))

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines