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feat(Core/Scripting): Implement Unit hooks to modify damage before ca… (#17785)

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This commit is contained in:
Andrew
2023-11-18 23:36:59 -03:00
committed by GitHub
parent ed3737b809
commit d55b6753c9
3 changed files with 32 additions and 0 deletions
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7
src/server/game/AI/CoreAI/UnitAI.h
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@@ -364,6 +364,13 @@ public:
// Called when the unit heals
virtual void HealDone(Unit* /*done_to*/, uint32& /*addhealth*/) {}
// Called during damage calculations
virtual void OnCalculateMeleeDamageReceived(uint32& /*damage*/, Unit* /*attacker*/) {}
virtual void OnCalculateSpellDamageReceived(int32& /*damage*/, Unit* /*attacker*/) {}
// Called during calculation when receiving periodic healing or damage (DoT or HoT)
virtual void OnCalculatePeriodicTickReceived(uint32& /*damage*/, Unit* /*attacker*/) {}
void AttackStartCaster(Unit* victim, float dist);
SpellCastResult DoAddAuraToAllHostilePlayers(uint32 spellid);

10
src/server/game/Entities/Unit/Unit.cpp
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@@ -1308,6 +1308,11 @@ void Unit::CalculateSpellDamageTaken(SpellNonMeleeDamage* damageInfo, int32 dama
// Script Hook For CalculateSpellDamageTaken -- Allow scripts to change the Damage post class mitigation calculations
sScriptMgr->ModifySpellDamageTaken(damageInfo->target, damageInfo->attacker, damage, spellInfo);
if (victim->GetAI())
{
victim->GetAI()->OnCalculateSpellDamageReceived(damage, this);
}
int32 cleanDamage = 0;
if (Unit::IsDamageReducedByArmor(damageSchoolMask, spellInfo))
{
@@ -1558,6 +1563,11 @@ void Unit::CalculateMeleeDamage(Unit* victim, CalcDamageInfo* damageInfo, Weapon
// Script Hook For CalculateMeleeDamage -- Allow scripts to change the Damage pre class mitigation calculations
sScriptMgr->ModifyMeleeDamage(damageInfo->target, damageInfo->attacker, damage);
if (victim->GetAI())
{
victim->GetAI()->OnCalculateMeleeDamageReceived(damage, this);
}
// Calculate armor reduction
if (IsDamageReducedByArmor((SpellSchoolMask)(damageInfo->damages[i].damageSchoolMask)))
{

15
src/server/game/Spells/Auras/SpellAuraEffects.cpp
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@@ -6701,6 +6701,11 @@ void AuraEffect::HandlePeriodicDamageAurasTick(Unit* target, Unit* caster) const
// Script Hook For HandlePeriodicDamageAurasTick -- Allow scripts to change the Damage pre class mitigation calculations
sScriptMgr->ModifyPeriodicDamageAurasTick(target, caster, damage, GetSpellInfo());
if (target->GetAI())
{
target->GetAI()->OnCalculatePeriodicTickReceived(damage, caster);
}
if (GetAuraType() == SPELL_AURA_PERIODIC_DAMAGE)
{
// xinef: leave only target depending bonuses, rest is handled in calculate amount
@@ -6811,6 +6816,11 @@ void AuraEffect::HandlePeriodicHealthLeechAuraTick(Unit* target, Unit* caster) c
// Script Hook For HandlePeriodicHealthLeechAurasTick -- Allow scripts to change the Damage pre class mitigation calculations
sScriptMgr->ModifyPeriodicDamageAurasTick(target, caster, damage, GetSpellInfo());
if (target->GetAI())
{
target->GetAI()->OnCalculatePeriodicTickReceived(damage, caster);
}
if (GetBase()->GetType() == DYNOBJ_AURA_TYPE)
damage = caster->SpellDamageBonusDone(target, GetSpellInfo(), damage, DOT, GetEffIndex(), 0.0f, GetBase()->GetStackAmount());
damage = target->SpellDamageBonusTaken(caster, GetSpellInfo(), damage, DOT, GetBase()->GetStackAmount());
@@ -7020,6 +7030,11 @@ void AuraEffect::HandlePeriodicHealAurasTick(Unit* target, Unit* caster) const
sScriptMgr->ModifyPeriodicDamageAurasTick(target, caster, heal, GetSpellInfo());
sScriptMgr->ModifyHealReceived(target, caster, heal, GetSpellInfo());
if (target->GetAI())
{
target->GetAI()->OnCalculatePeriodicTickReceived(heal, caster);
}
HealInfo healInfo(caster, target, heal, GetSpellInfo(), GetSpellInfo()->GetSchoolMask());
Unit::CalcHealAbsorb(healInfo);
int32 gain = Unit::DealHeal(caster, target, healInfo.GetHeal());