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Spell save DC function

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kinther 2025-08-30 19:00:20 -07:00
parent 17d6221510
commit 8a11985dc0
1 changed files with 48 additions and 0 deletions
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48
src/utils.h
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@ -1101,4 +1101,52 @@ do \
/** What is the minimum level character to put on the wizlist? */
#define CONFIG_MIN_WIZLIST_LEV config_info.autowiz.min_wizlist_lev
/* Safe skill fetch that never touches CHECK_PLAYER_SPECIAL */
static inline int GET_SKILL_SAFE(struct char_data *ch, int i) {
if (IS_NPC(ch) || !ch->player_specials) return 0;
return ch->player_specials->saved.skills[i];
}
/* PCs: use spell skill % -> proficiency ladder.
NPCs: temporary flat +2 (single mortal level); revisit when NPC skills land. */
static inline int GET_CASTER_PROF_FOR_SPELL(struct char_data *ch, int spellnum) {
if (IS_NPC(ch))
return 2; /* TODO: replace with NPC skill-based proficiency later */
return GET_PROFICIENCY(GET_SKILL_SAFE(ch, spellnum));
}
/* Similar to 5e mods */
static inline int GET_SPELL_ABILITY_MOD(struct char_data *ch) {
switch (GET_CLASS(ch)) {
case CLASS_MAGIC_USER:
return GET_ABILITY_MOD(GET_INT(ch));
case CLASS_CLERIC:
return GET_ABILITY_MOD(GET_WIS(ch));
case CLASS_DRUID:
return GET_ABILITY_MOD(GET_WIS(ch));
case CLASS_RANGER:
return GET_ABILITY_MOD(GET_WIS(ch));
case CLASS_BARD:
return GET_ABILITY_MOD(GET_CHA(ch));
default:
return GET_ABILITY_MOD(GET_INT(ch));
}
}
/* Can expand on this later with any bonuses from items eg. rings/amulets */
static inline int GET_SPELL_BONUS_MOD(struct char_data *ch, int spellnum) {
(void)ch; (void)spellnum;
return 0;
}
/* Spell Save DC helper */
static inline int GET_SPELL_SAVE_DC(struct char_data *ch, int spellnum, int misc_dc_bonus)
{
int prof = GET_CASTER_PROF_FOR_SPELL(ch, spellnum);
int abil = GET_SPELL_ABILITY_MOD(ch);
int dc = 8 + prof + abil + misc_dc_bonus + GET_SPELL_BONUS_MOD(ch, spellnum);
if (dc < 1) dc = 1;
return dc;
}
#endif /* _UTILS_H_ */