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-rw-r--r--src/map/skill.c26
-rw-r--r--src/map/skill.h1
2 files changed, 27 insertions, 0 deletions
diff --git a/src/map/skill.c b/src/map/skill.c
index bff9c0e5c..abc5e60c4 100644
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -1177,6 +1177,31 @@ static int skillnotok_mercenary(uint16 skill_id, struct mercenary_data *md)
return skill->not_ok(skill_id, md->master);
}
+/**
+ * Validates the plausibility of auto-cast related data and calls pc_autocast_clear() if necessary.
+ *
+ * @param sd The character who cast the skill.
+ * @param skill_id The cast skill's ID.
+ * @param skill_lv The cast skill's level. (clif_parse_UseSkillMap() passes 0.)
+ *
+ **/
+static void skill_validate_autocast_data(struct map_session_data *sd, int skill_id, int skill_lv)
+{
+ nullpo_retv(sd);
+
+ // Determine if called by clif_parse_UseSkillMap().
+ bool use_skill_map = (skill_lv == 0 && (skill_id == AL_WARP || skill_id == AL_TELEPORT));
+
+ if (sd->autocast.type == AUTOCAST_NONE)
+ pc->autocast_clear(sd); // No auto-cast type set. Preventively unset all auto-cast related data.
+ else if (sd->autocast.type == AUTOCAST_TEMP)
+ pc->autocast_clear(sd); // AUTOCAST_TEMP should have been unset straight after usage.
+ else if (sd->autocast.skill_id == 0 || skill_id == 0 || sd->autocast.skill_id != skill_id)
+ pc->autocast_clear(sd); // Implausible skill ID.
+ else if (sd->autocast.skill_lv == 0 || (!use_skill_map && (skill_lv == 0 || sd->autocast.skill_lv != skill_lv)))
+ pc->autocast_clear(sd); // Implausible skill level.
+}
+
static struct s_skill_unit_layout *skill_get_unit_layout(uint16 skill_id, uint16 skill_lv, struct block_list *src, int x, int y)
{
int pos = skill->get_unit_layout_type(skill_id,skill_lv);
@@ -21685,6 +21710,7 @@ void skill_defaults(void)
skill->not_ok_hom = skillnotok_hom;
skill->not_ok_hom_unknown = skillnotok_hom_unknown;
skill->not_ok_mercenary = skillnotok_mercenary;
+ skill->validate_autocast_data = skill_validate_autocast_data;
skill->chastle_mob_changetarget = skill_chastle_mob_changetarget;
skill->can_produce_mix = skill_can_produce_mix;
skill->produce_mix = skill_produce_mix;
diff --git a/src/map/skill.h b/src/map/skill.h
index b241e0498..731044876 100644
--- a/src/map/skill.h
+++ b/src/map/skill.h
@@ -2055,6 +2055,7 @@ struct skill_interface {
int (*not_ok_hom) (uint16 skill_id, struct homun_data *hd);
int (*not_ok_hom_unknown) (uint16 skill_id, struct homun_data *hd);
int (*not_ok_mercenary) (uint16 skill_id, struct mercenary_data *md);
+ void (*validate_autocast_data) (struct map_session_data *sd, int skill_id, int skill_lv);
int (*chastle_mob_changetarget) (struct block_list *bl,va_list ap);
int (*can_produce_mix) ( struct map_session_data *sd, int nameid, int trigger, int qty);
int (*produce_mix) ( struct map_session_data *sd, uint16 skill_id, int nameid, int slot1, int slot2, int slot3, int qty );