feat(Core/AI): port OnSpellStart/OnSpellCast/OnSpellFailed/OnChannelF… (#25026)

Co-authored-by: offl <11556157+offl@users.noreply.github.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

src/server/game/AI/ScriptedAI/ScriptedCreature.cpp

@@ -756,9 +756,26 @@ void BossAI::UpdateAI(uint32 diff)
         DoMeleeAttackIfReady();
 }
 
-void BossAI::OnSpellCastFinished(SpellInfo const* spellInfo, SpellFinishReason reason)
+void BossAI::OnSpellCast(SpellInfo const* spellInfo)
+{
+    ScriptedAI::OnSpellCast(spellInfo);
+    _CheckHealthAfterCast();
+}
+
+void BossAI::OnChannelFinished(SpellInfo const* spellInfo)
+{
+    ScriptedAI::OnChannelFinished(spellInfo);
+    _CheckHealthAfterCast();
+}
+
+void BossAI::OnSpellFailed(SpellInfo const* spellInfo)
+{
+    ScriptedAI::OnSpellFailed(spellInfo);
+    _CheckHealthAfterCast();
+}
+
+void BossAI::_CheckHealthAfterCast()
 {
-    ScriptedAI::OnSpellCastFinished(spellInfo, reason);
     // Check if any health check events are pending (i.e. waiting for the boss to stop casting.
     if (_nextHealthCheck.IsPending() && me->IsInCombat())
     {

src/server/game/AI/ScriptedAI/ScriptedCreature.h

@@ -490,7 +490,9 @@ public:
 
     bool CanRespawn() override;
 
-    void OnSpellCastFinished(SpellInfo const* spell, SpellFinishReason reason) override;
+    void OnSpellCast(SpellInfo const* spell) override;
+    void OnChannelFinished(SpellInfo const* spell) override;
+    void OnSpellFailed(SpellInfo const* spell) override;
     void DamageTaken(Unit* attacker, uint32& damage, DamageEffectType damagetype, SpellSchoolMask damageSchoolMask) override;
     void JustSummoned(Creature* summon) override;
     void SummonedCreatureDespawn(Creature* summon) override;
@@ -534,6 +536,7 @@ protected:
     SummonList summons;
 
 private:
+    void _CheckHealthAfterCast();
     uint32 const _bossId;
     std::list<HealthCheckEventData> _healthCheckEvents;
     HealthCheckEventData _nextHealthCheck;