/* This function is the very heart of the entire magic system. All invocations
* of all types of magic -- objects, spoken and unspoken PC and NPC spells, the
* works -- all come through this function eventually. This is also the entry
* point for non-spoken or unrestricted spells. Spellnum 0 is legal but silently
* ignored here, to make callers simpler. */
int call_magic(struct char_data *caster, struct char_data *cvict,
struct obj_data *ovict, int spellnum, int level, int casttype)
{
int savetype;
if (spellnum < 1 || spellnum > TOP_SPELL_DEFINE)
return (0);
if (!cast_wtrigger(caster, cvict, ovict, spellnum))
return 0;
if (!cast_otrigger(caster, ovict, spellnum))
return 0;
if (!cast_mtrigger(caster, cvict, spellnum))
return 0;
if (ROOM_FLAGGED(IN_ROOM(caster), ROOM_NOMAGIC)) {
send_to_char(caster, "Your magic fizzles out and dies.\r\n");
act("$n's magic fizzles out and dies.", FALSE, caster, 0, 0, TO_ROOM);
return (0);
}
if (ROOM_FLAGGED(IN_ROOM(caster), ROOM_PEACEFUL) &&
(SINFO.violent || IS_SET(SINFO.routines, MAG_DAMAGE))) {
send_to_char(caster, "A flash of white light fills the room, dispelling your violent magic!\r\n");
act("White light from no particular source suddenly fills the room, then vanishes.", FALSE, caster, 0, 0, TO_ROOM);
return (0);
}
if (cvict && MOB_FLAGGED(cvict, MOB_NOKILL)) {
send_to_char(caster, "This mob is protected.\r\n");
return (0);
}
/* determine the type of saving throw */
switch (casttype) {
case CAST_STAFF:
case CAST_SCROLL:
case CAST_POTION:
case CAST_WAND:
savetype = SAVING_ROD;
break;
case CAST_SPELL:
savetype = SAVING_SPELL;
break;
default:
savetype = SAVING_BREATH;
break;
}
if (IS_SET(SINFO.routines, MAG_DAMAGE))
if (mag_damage(level, caster, cvict, spellnum, savetype) == -1)
return (-1); /* Successful and target died, don't cast again. */
if (IS_SET(SINFO.routines, MAG_AFFECTS))
mag_affects(level, caster, cvict, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_UNAFFECTS))
mag_unaffects(level, caster, cvict, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_POINTS))
mag_points(level, caster, cvict, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_ALTER_OBJS))
mag_alter_objs(level, caster, ovict, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_GROUPS))
mag_groups(level, caster, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_MASSES))
mag_masses(level, caster, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_AREAS))
mag_areas(level, caster, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_SUMMONS))
mag_summons(level, caster, ovict, spellnum, savetype);
if (IS_SET(SINFO.routines, MAG_CREATIONS))
mag_creations(level, caster, spellnum);
if (IS_SET(SINFO.routines, MAG_ROOMS))
mag_rooms(level, caster, spellnum);
if (IS_SET(SINFO.routines, MAG_MANUAL))
switch (spellnum) {
case SPELL_CHARM: MANUAL_SPELL(spell_charm); break;
case SPELL_CREATE_WATER: MANUAL_SPELL(spell_create_water); break;
case SPELL_DETECT_POISON: MANUAL_SPELL(spell_detect_poison); break;
case SPELL_ENCHANT_WEAPON: MANUAL_SPELL(spell_enchant_weapon); break;
case SPELL_IDENTIFY: MANUAL_SPELL(spell_identify); break;
case SPELL_LOCATE_OBJECT: MANUAL_SPELL(spell_locate_object); break;
case SPELL_SUMMON: MANUAL_SPELL(spell_summon); break;
case SPELL_WORD_OF_RECALL: MANUAL_SPELL(spell_recall); break;
case SPELL_TELEPORT: MANUAL_SPELL(spell_teleport); break;
}
return (1);
}
int cast_spell(struct char_data *ch, struct char_data *tch,
struct obj_data *tobj, struct spell_info_type *sptr,
char *tar_str)
{
if (!magic_enabled)
return (0);
if (!sptr) {
extended_mudlog(NRM, SYSL_BUGS, TRUE, "cast_spell() called without a valid sptr: ch: %s, tch: %s",
GET_NAME(ch), GET_NAME(tch));
return (0);
}
if (GET_POS(ch) < sptr->min_position) {
switch (GET_POS(ch)) {
case POS_SLEEPING:
send_to_char("You dream about great magical powers.\r\n", ch);
break;
case POS_RESTING:
send_to_char("You cannot concentrate while resting.\r\n", ch);
break;
case POS_SITTING:
send_to_char("You can't do this sitting!\r\n", ch);
break;
case POS_FIGHTING:
send_to_char("Impossible! You can't concentrate enough!\r\n", ch);
break;
default:
send_to_char("You can't do much of anything like this!\r\n", ch);
break;
}
return (0);
}
if (AFF_FLAGGED(ch, AFF_CHARM) && (ch->master == tch)) {
send_to_char("You are afraid you might hurt your master!\r\n", ch);
return (0);
}
if ((tch != ch) && IS_SET(sptr->targets, TAR_SELF_ONLY)) {
send_to_char("You can only cast this spell upon yourself!\r\n", ch);
return (0);
}
if ((tch == ch) && IS_SET(sptr->targets, TAR_NOT_SELF)) {
send_to_char("You cannot cast this spell upon yourself!\r\n", ch);
return (0);
}
if (IS_SET(sptr->routines, MAG_GROUPS) && !AFF_FLAGGED(ch, AFF_GROUP)) {
send_to_char("You can't cast this spell if you're not in a group!\r\n",ch);
return (0);
}
if (cast_mtrigger(tch, ch, tar_str, sptr) == 0)
return (0);
if (cast_otrigger(tobj, ch, tar_str, sptr) == 0)
return (0);
if (cast_wtrigger(ch, tch, tobj, tar_str, sptr) == 0)
return (0);
send_to_char(OK, ch);
say_spell(ch, sptr, tch, tobj);
return (call_magic(ch, tch, tobj, sptr, (GET_SKILL(ch, sptr->skill)/100), CAST_SPELL,
tar_str));
}
