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feat(Core/Scripting): Implement SetInvincibility() to prevent creatur… (#20508)

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This commit is contained in:
Andrew
2024-11-11 00:22:03 -03:00
committed by GitHub
parent d817f67658
commit e741a9a87f
3 changed files with 24 additions and 21 deletions
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11
src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
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@@ -194,6 +194,7 @@ ScriptedAI::ScriptedAI(Creature* creature) : CreatureAI(creature),
{
_isHeroic = me->GetMap()->IsHeroic();
_difficulty = Difficulty(me->GetMap()->GetSpawnMode());
_invincible = false;
}
void ScriptedAI::AttackStartNoMove(Unit* who)
@@ -222,6 +223,12 @@ void ScriptedAI::UpdateAI(uint32 /*diff*/)
DoMeleeAttackIfReady();
}
void ScriptedAI::DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*damagetype*/, SpellSchoolMask /*damageSchoolMask*/)
{
if (IsInvincible() && damage >= me->GetHealth())
damage = me->GetHealth() - 1;
}
void ScriptedAI::DoStartMovement(Unit* victim, float distance, float angle)
{
if (victim)
@@ -732,8 +739,10 @@ void BossAI::UpdateAI(uint32 diff)
DoMeleeAttackIfReady();
}
void BossAI::DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*damagetype*/, SpellSchoolMask /*damageSchoolMask*/)
void BossAI::DamageTaken(Unit* attacker, uint32& damage, DamageEffectType damagetype, SpellSchoolMask damageSchoolMask)
{
ScriptedAI::DamageTaken(attacker, damage, damagetype, damageSchoolMask);
if (_nextHealthCheck._valid)
if (me->HealthBelowPctDamaged(_nextHealthCheck._healthPct, damage))
{

7
src/server/game/AI/ScriptedAI/ScriptedCreature.h
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@@ -198,7 +198,7 @@ struct ScriptedAI : public CreatureAI
void AttackStartNoMove(Unit* target);
// Called at any Damage from any attacker (before damage apply)
void DamageTaken(Unit* /*attacker*/, uint32& /*damage*/, DamageEffectType /*damagetype*/, SpellSchoolMask /*damageSchoolMask*/) override {}
void DamageTaken(Unit* /*attacker*/, uint32& /*damage*/, DamageEffectType /*damagetype*/, SpellSchoolMask /*damageSchoolMask*/) override;
//Called at World update tick
void UpdateAI(uint32 diff) override;
@@ -438,9 +438,14 @@ struct ScriptedAI : public CreatureAI
Player* SelectTargetFromPlayerList(float maxdist, uint32 excludeAura = 0, bool mustBeInLOS = false) const;
// Allows dropping to 1 HP but prevents creature from dying.
void SetInvincibility(bool apply) { _invincible = apply; };
[[nodiscard]] bool IsInvincible() const { return _invincible; };
private:
Difficulty _difficulty;
bool _isHeroic;
bool _invincible;
std::unordered_set<uint32> _uniqueTimedEvents;
};

27
src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockSpire/boss_gyth.cpp
View File

@@ -62,13 +62,20 @@ public:
void Reset() override
{
_summonedRend = false;
if (instance->GetBossState(DATA_GYTH) == IN_PROGRESS)
{
instance->SetBossState(DATA_GYTH, NOT_STARTED);
summons.DespawnAll();
me->DespawnOrUnsummon();
}
SetInvincibility(true); // Don't let boss die before summoning Rend.
ScheduleHealthCheckEvent(25, [&] {
DoCastAOE(SPELL_SUMMON_REND, true);
me->RemoveAura(SPELL_REND_MOUNTS);
SetInvincibility(false);
});
}
void JustEngagedWith(Unit* /*who*/) override
@@ -104,21 +111,6 @@ public:
instance->SetBossState(DATA_GYTH, DONE);
}
void DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType /*type*/, SpellSchoolMask /*school*/) override
{
if (!_summonedRend && me->HealthBelowPctDamaged(25, damage))
{
if (damage >= me->GetHealth())
{
// Let creature fall to 1 HP but prevent it from dying before boss is summoned.
damage = me->GetHealth() - 1;
}
DoCast(me, SPELL_SUMMON_REND, true);
me->RemoveAura(SPELL_REND_MOUNTS);
_summonedRend = true;
}
}
void UpdateAI(uint32 diff) override
{
if (!UpdateVictim())
@@ -173,9 +165,6 @@ public:
}
DoMeleeAttackIfReady();
}
private:
bool _summonedRend;
};
CreatureAI* GetAI(Creature* creature) const override