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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.15 by root, Thu Sep 14 22:34:05 2006 UTC vs.
Revision 1.27 by root, Mon Dec 25 11:25:50 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 || (rndm (0, 99)) < 90 - (sp_op->level / 10)))
458 return 1; 450 return 1;
459 451
460 return 0; 452 return 0;
461} 453}
462 454
468 * in. 460 * in.
469 */ 461 */
470int 462int
471cast_create_obj (object *op, object *caster, object *new_op, int dir) 463cast_create_obj (object *op, object *caster, object *new_op, int dir)
472{ 464{
473 mapstruct *m; 465 maptile *m;
474 sint16 sx, sy; 466 sint16 sx, sy;
475 467
476 if (dir && 468 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) || 469 ((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)))) 470 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. 490 * does not have AT_MAGIC, then counterwalls do not effect the spell.
499 * 491 *
500 */ 492 */
501 493
502int 494int
503ok_to_put_more (mapstruct *m, sint16 x, sint16 y, object *op, int immune_stop) 495ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop)
504{ 496{
505 object *tmp; 497 object *tmp;
506 int mflags; 498 int mflags;
507 mapstruct *mp; 499 maptile *mp;
508 500
509 mp = m; 501 mp = m;
510 mflags = get_map_flags (m, &mp, x, y, &x, &y); 502 mflags = get_map_flags (m, &mp, x, y, &x, &y);
511 503
512 if (mflags & P_OUT_OF_MAP) 504 if (mflags & P_OUT_OF_MAP)
513 return 0; 505 return 0;
514 506
515 if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y))) 507 if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (mp, x, y)))
516 return 0; 508 return 0;
517 509
518 for (tmp = get_map_ob (mp, x, y); tmp != NULL; tmp = tmp->above) 510 for (tmp = GET_MAP_OB (mp, x, y); tmp != NULL; tmp = tmp->above)
519 { 511 {
520 /* If there is a counterspell on the space, and this 512 /* If there is a counterspell on the space, and this
521 * object is using magic, don't progress. I believe we could 513 * 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 514 * 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 515 * will then remove it, but that would seem to to use more
578int 570int
579fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) 571fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell)
580{ 572{
581 object *tmp; 573 object *tmp;
582 int mflags; 574 int mflags;
583 mapstruct *m; 575 maptile *m;
584 576
585 if (spell->other_arch == NULL) 577 if (spell->other_arch == NULL)
586 return 0; 578 return 0;
587 579
588 m = op->map; 580 m = op->map;
598 return 0; 590 return 0;
599 591
600 if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y))) 592 if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y)))
601 { 593 {
602 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n"); 594 new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n");
603 free_object (tmp); 595 tmp->destroy ();
604 return 0; 596 return 0;
605 } 597 }
606
607
608 598
609 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); 599 tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
610 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); 600 tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
611 /* code in time.c uses food for some things, duration for others */ 601 /* code in time.c uses food for some things, duration for others */
612 tmp->stats.food = tmp->duration; 602 tmp->stats.food = tmp->duration;
613 tmp->range = spell->range + SP_level_range_adjust (caster, spell); 603 tmp->range = spell->range + SP_level_range_adjust (caster, spell);
614 tmp->attacktype = spell->attacktype; 604 tmp->attacktype = spell->attacktype;
615 tmp->x = x; 605 tmp->x = x;
616 tmp->y = y; 606 tmp->y = y;
617 tmp->direction = dir; 607 tmp->direction = dir;
618 if (get_owner (op) != NULL) 608 if (op->owner != NULL)
619 copy_owner (tmp, op); 609 tmp->set_owner (op);
620 else 610 else
621 set_owner (tmp, op); 611 tmp->set_owner (op);
622 tmp->level = caster_level (caster, spell); 612 tmp->level = caster_level (caster, spell);
623 set_spell_skill (op, caster, spell, tmp); 613 set_spell_skill (op, caster, spell, tmp);
624 614
625 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ 615 /* needed for AT_HOLYWORD,AT_GODPOWER stuff */
626 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) 616 if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
678 668
679object * 669object *
680find_target_for_friendly_spell (object *op, int dir) 670find_target_for_friendly_spell (object *op, int dir)
681{ 671{
682 object *tmp; 672 object *tmp;
683 mapstruct *m; 673 maptile *m;
684 sint16 x, y; 674 sint16 x, y;
685 int mflags; 675 int mflags;
686 676
687 /* I don't really get this block - if op isn't a player or rune, 677 /* 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. 678 * we then make the owner of this object the target.
689 * The owner could very well be no where near op. 679 * The owner could very well be no where near op.
690 */ 680 */
691 if (op->type != PLAYER && op->type != RUNE) 681 if (op->type != PLAYER && op->type != RUNE)
692 { 682 {
693 tmp = get_owner (op); 683 tmp = op->owner;
694 /* If the owner does not exist, or is not a monster, than apply the spell 684 /* If the owner does not exist, or is not a monster, than apply the spell
695 * to the caster. 685 * to the caster.
696 */ 686 */
697 if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER)) 687 if (!tmp || !QUERY_FLAG (tmp, FLAG_MONSTER))
698 tmp = op; 688 tmp = op;
704 y = op->y + freearr_y[dir]; 694 y = op->y + freearr_y[dir];
705 695
706 mflags = get_map_flags (m, &m, x, y, &x, &y); 696 mflags = get_map_flags (m, &m, x, y, &x, &y);
707 697
708 if (mflags & P_OUT_OF_MAP) 698 if (mflags & P_OUT_OF_MAP)
709 tmp = NULL; 699 tmp = 0;
710 else 700 else
711 { 701 tmp = m->at (x, y).player ();
712 for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above)
713 if (tmp->type == PLAYER)
714 break;
715 }
716 } 702 }
703
717 /* didn't find a player there, look in current square for a player */ 704 /* didn't find a player there, look in current square for a player */
718 if (tmp == NULL) 705 if (!tmp)
719 for (tmp = get_map_ob (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 706 tmp = op->ms ().player ();
720 {
721 if (tmp->type == PLAYER)
722 break;
723 }
724 707
725 return tmp; 708 return tmp;
726} 709}
727 710
728 711
738 * any, otherwise -1. 721 * any, otherwise -1.
739 * note that exclude can be NULL, in which case all bets are off. 722 * note that exclude can be NULL, in which case all bets are off.
740 */ 723 */
741 724
742int 725int
743spell_find_dir (mapstruct *m, int x, int y, object *exclude) 726spell_find_dir (maptile *m, int x, int y, object *exclude)
744{ 727{
745 int i, max = SIZEOFFREE; 728 int i, max = SIZEOFFREE;
746 sint16 nx, ny; 729 sint16 nx, ny;
747 int owner_type = 0, mflags; 730 int owner_type = 0, mflags;
748 object *tmp; 731 object *tmp;
749 mapstruct *mp; 732 maptile *mp;
750 733
751 if (exclude && exclude->head) 734 if (exclude && exclude->head)
752 exclude = exclude->head; 735 exclude = exclude->head;
753 if (exclude && exclude->type) 736 if (exclude && exclude->type)
754 owner_type = exclude->type; 737 owner_type = exclude->type;
760 mp = m; 743 mp = m;
761 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); 744 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
762 if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW)) 745 if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW))
763 continue; 746 continue;
764 747
765 tmp = get_map_ob (mp, nx, ny); 748 tmp = GET_MAP_OB (mp, nx, ny);
766 749
767 while (tmp != NULL && (((owner_type == PLAYER && 750 while (tmp != NULL && (((owner_type == PLAYER &&
768 !QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) || 751 !QUERY_FLAG (tmp, FLAG_MONSTER) && !QUERY_FLAG (tmp, FLAG_GENERATOR)) ||
769 (owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude)))) 752 (owner_type != PLAYER && tmp->type != PLAYER)) || (tmp == exclude || (tmp->head && tmp->head == exclude))))
770 tmp = tmp->above; 753 tmp = tmp->above;
966 if (failure <= -20 && failure > -40) /* wonder */ 949 if (failure <= -20 && failure > -40) /* wonder */
967 { 950 {
968 new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname); 951 new_draw_info_format (NDI_UNIQUE, 0, op, "%s gives a sign to renew your faith.", godname);
969 tmp = get_archetype (SPELL_WONDER); 952 tmp = get_archetype (SPELL_WONDER);
970 cast_cone (op, op, 0, tmp); 953 cast_cone (op, op, 0, tmp);
971 free_object (tmp); 954 tmp->destroy ();
972 } 955 }
973 956
974 else if (failure <= -40 && failure > -60) /* confusion */ 957 else if (failure <= -40 && failure > -60) /* confusion */
975 { 958 {
976 new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!"); 959 new_draw_info (NDI_UNIQUE, 0, op, "Your diety touches your mind!");
1010 if (failure <= -20 && failure > -40) /* wonder */ 993 if (failure <= -20 && failure > -40) /* wonder */
1011 { 994 {
1012 new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect."); 995 new_draw_info (NDI_UNIQUE, 0, op, "Your spell causes an unexpected effect.");
1013 tmp = get_archetype (SPELL_WONDER); 996 tmp = get_archetype (SPELL_WONDER);
1014 cast_cone (op, op, 0, tmp); 997 cast_cone (op, op, 0, tmp);
1015 free_object (tmp); 998 tmp->destroy ();
1016 } 999 }
1017 1000
1018 else if (failure <= -40 && failure > -60) /* confusion */ 1001 else if (failure <= -40 && failure > -60) /* confusion */
1019 { 1002 {
1020 new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!"); 1003 new_draw_info (NDI_UNIQUE, 0, op, "Your magic recoils on you, making you confused!");
1075 /* Always cast spell on caster */ 1058 /* Always cast spell on caster */
1076 success = cast_spell (op, caster, dir, spell, stringarg); 1059 success = cast_spell (op, caster, dir, spell, stringarg);
1077 1060
1078 if (caster->contr->party == NULL) 1061 if (caster->contr->party == NULL)
1079 { 1062 {
1080 remove_ob (spell); 1063 spell->remove ();
1081 return success; 1064 return success;
1082 } 1065 }
1083 for (pl = first_player; pl != NULL; pl = pl->next) 1066 for_all_players (pl)
1084 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster))) 1067 if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster)))
1085 { 1068 {
1086 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg); 1069 cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg);
1087 } 1070 }
1088 remove_ob (spell); 1071 spell->remove ();
1089 return success; 1072 return success;
1090} 1073}
1091 1074
1092/* This is where the main dispatch when someone casts a spell. 1075/* This is where the main dispatch when someone casts a spell.
1093 * 1076 *
1143 } 1126 }
1144 1127
1145 /* if caster is a spell casting object, this normally shouldn't be 1128 /* if caster is a spell casting object, this normally shouldn't be
1146 * an issue, because they don't have any spellpaths set up. 1129 * an issue, because they don't have any spellpaths set up.
1147 */ 1130 */
1148 if (caster->path_denied & spell_ob->path_attuned) 1131 if (caster->path_denied & spell_ob->path_attuned && !QUERY_FLAG (caster, FLAG_WIZCAST))
1149 { 1132 {
1150 new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you."); 1133 new_draw_info (NDI_UNIQUE, 0, op, "That spell path is denied to you.");
1151 return 0; 1134 return 0;
1152 } 1135 }
1153 1136
1288 * spell is actually cast, it knows about the stringarg. 1271 * spell is actually cast, it knows about the stringarg.
1289 * necessary for the invoke command spells. 1272 * necessary for the invoke command spells.
1290 */ 1273 */
1291 if (stringarg) 1274 if (stringarg)
1292 { 1275 {
1293 op->spellarg = strdup_local (stringarg); 1276 op->spellarg = strdup (stringarg);
1294 } 1277 }
1295 else 1278 else
1296 op->spellarg = NULL; 1279 op->spellarg = NULL;
1297 return 0; 1280 return 0;
1298 } 1281 }
1688 break; 1671 break;
1689 1672
1690 case SP_MAGIC_MISSILE: 1673 case SP_MAGIC_MISSILE:
1691 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1674 if (QUERY_FLAG (victim, FLAG_ALIVE))
1692 { 1675 {
1693 tag_t spell_tag = spell->count;
1694
1695 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); 1676 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1696 if (!was_destroyed (spell, spell_tag)) 1677
1697 { 1678 if (!spell->destroyed ())
1698 remove_ob (spell); 1679 spell->destroy ();
1699 free_object (spell);
1700 }
1701 } 1680 }
1702 break; 1681 break;
1703 1682
1704 case SP_MOVING_BALL: 1683 case SP_MOVING_BALL:
1705 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1684 if (QUERY_FLAG (victim, FLAG_ALIVE))

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