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Core/Spells: calculate crit chance only for spells that do damage/healing

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Port From (https://github.com/TrinityCore/TrinityCore/commit/85e5509e91a1370b16851d375a26121797870921)
This commit is contained in:
hondacrx
2021-06-23 22:06:49 -04:00
parent 89586e9495
commit 9e23ca4b04
6 changed files with 80 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Source/Framework/Constants/Spells/SpellConst.cs
+1
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@@ -2060,6 +2060,7 @@ namespace Framework.Constants
NoInitialThreat = 0x10,
AuraCC = 0x20,
DontBreakStealth = 0x40,
CanCrit = 0x80,
DirectDamage = 0x100,
Charge = 0x200,
PickPocket = 0x400,
Source/Game/Entities/Unit/Unit.Spells.cs
+4 -3
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@@ -645,14 +645,15 @@ namespace Game.Entities
return (uint)Math.Max(heal, 0.0f);
}
public float SpellCritChanceDone(SpellInfo spellInfo, SpellSchoolMask schoolMask, WeaponAttackType attackType = WeaponAttackType.BaseAttack)
public float SpellCritChanceDone(Spell spell, AuraEffect aurEff, SpellSchoolMask schoolMask, WeaponAttackType attackType = WeaponAttackType.BaseAttack)
{
SpellInfo spellInfo = spell != null ? spell.GetSpellInfo() : aurEff.GetSpellInfo();
//! Mobs can't crit with spells. (Except player controlled)
if (IsCreature() && !GetSpellModOwner())
return 0.0f;
// not critting spell
if (spellInfo.HasAttribute(SpellAttr2.CantCrit))
if (spell != null && !spellInfo.HasAttribute(SpellCustomAttributes.CanCrit))
return 0.0f;
float crit_chance = 0.0f;
@@ -691,7 +692,7 @@ namespace Game.Entities
{
SpellInfo spellInfo = spell != null ? spell.GetSpellInfo() : aurEff.GetSpellInfo();
// not critting spell
if (spellInfo.HasAttribute(SpellAttr2.CantCrit))
if (spell != null && !spellInfo.HasAttribute(SpellCustomAttributes.CanCrit))
return 0.0f;
float crit_chance = doneChance;
Source/Game/Spells/Auras/Aura.cs
-13
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@@ -355,19 +355,6 @@ namespace Game.Spells
_effects[effect.EffectIndex] = new AuraEffect(this, effect, baseAmount != null ? baseAmount[effect.EffectIndex] : (int?)null, caster);
}
}
public float CalcPeriodicCritChance(Unit caster)
{
if (!caster)
return 0.0f;
Player modOwner = caster.GetSpellModOwner();
if (modOwner == null)
return 0.0f;
float critChance = modOwner.SpellCritChanceDone(GetSpellInfo(), GetSpellInfo().GetSchoolMask(), GetSpellInfo().GetAttackType());
return Math.Max(0.0f, critChance);
}
public Unit GetCaster()
{
Source/Game/Spells/Auras/AuraEffect.cs
+27 -1
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@@ -446,7 +446,7 @@ namespace Game.Spells
public float GetCritChanceFor(Unit caster, Unit target)
{
return target.SpellCritChanceTaken(caster, null, this, GetSpellInfo().GetSchoolMask(), GetBase().CalcPeriodicCritChance(caster), GetSpellInfo().GetAttackType());
return target.SpellCritChanceTaken(caster, null, this, GetSpellInfo().GetSchoolMask(), CalcPeriodicCritChance(caster), GetSpellInfo().GetAttackType());
}
public bool IsAffectingSpell(SpellInfo spell)
@@ -595,6 +595,11 @@ namespace Game.Spells
return false;
break;
}
case AuraType.ModSpellCritChance:
// skip spells that can't crit
if (spellInfo == null || !spellInfo.HasAttribute(SpellCustomAttributes.CanCrit))
return false;
break;
default:
break;
}
@@ -5380,6 +5385,27 @@ namespace Game.Spells
caster.SendSpellNonMeleeDamageLog(damageInfo);
}
bool CanPeriodicTickCrit()
{
if (GetSpellInfo().HasAttribute(SpellAttr2.CantCrit))
return false;
return true;
}
float CalcPeriodicCritChance(Unit caster)
{
if (!caster || !CanPeriodicTickCrit())
return 0.0f;
Player modOwner = caster.GetSpellModOwner();
if (!modOwner)
return 0.0f;
float critChance = modOwner.SpellCritChanceDone(null, this, GetSpellInfo().GetSchoolMask(), GetSpellInfo().GetAttackType());
return Math.Max(0.0f, critChance);
}
void HandleBreakableCCAuraProc(AuraApplication aurApp, ProcEventInfo eventInfo)
{
int damageLeft = (int)(GetAmount() - eventInfo.GetDamageInfo().GetDamage());
Source/Game/Spells/Spell.cs
+1 -1
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@@ -6872,7 +6872,7 @@ namespace Game.Spells
}
}
float critChance = m_caster.SpellCritChanceDone(m_spellInfo, m_spellSchoolMask, m_attackType);
float critChance = m_caster.SpellCritChanceDone(this, null, m_spellSchoolMask, m_attackType);
targetInfo.crit = RandomHelper.randChance(unit.SpellCritChanceTaken(m_caster, this, null, m_spellSchoolMask, critChance, m_attackType));
}
Source/Game/Spells/SpellManager.cs
+47 -25
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@@ -2661,6 +2661,23 @@ namespace Game.Entities
break;
}
switch (effect.Effect)
{
case SpellEffectName.SchoolDamage:
case SpellEffectName.HealthLeech:
case SpellEffectName.Heal:
case SpellEffectName.WeaponDamageNoSchool:
case SpellEffectName.WeaponPercentDamage:
case SpellEffectName.WeaponDamage:
case SpellEffectName.PowerBurn:
case SpellEffectName.HealMechanical:
case SpellEffectName.NormalizedWeaponDmg:
case SpellEffectName.HealPct:
case SpellEffectName.DamageFromMaxHealthPCT:
spellInfo.AttributesCu |= SpellCustomAttributes.CanCrit;
break;
}
switch (effect.Effect)
{
case SpellEffectName.SchoolDamage:
@@ -2846,38 +2863,43 @@ namespace Game.Entities
// addition for binary spells, ommit spells triggering other spells
foreach (var spellInfo in mSpellInfoMap.Values)
{
if (spellInfo.HasAttribute(SpellCustomAttributes.BinarySpell))
continue;
bool allNonBinary = true;
bool overrideAttr = false;
foreach (SpellEffectInfo effect in spellInfo.GetEffects())
if (!spellInfo.HasAttribute(SpellCustomAttributes.BinarySpell))
{
if (effect == null)
continue;
if (effect.IsAura() && effect.TriggerSpell != 0)
bool allNonBinary = true;
bool overrideAttr = false;
foreach (SpellEffectInfo effect in spellInfo.GetEffects())
{
switch (effect.ApplyAuraName)
if (effect == null)
continue;
if (effect.IsAura() && effect.TriggerSpell != 0)
{
case AuraType.PeriodicTriggerSpell:
case AuraType.PeriodicTriggerSpellWithValue:
SpellInfo triggerSpell = Global.SpellMgr.GetSpellInfo(effect.TriggerSpell, Difficulty.None);
if (triggerSpell != null)
{
overrideAttr = true;
if (triggerSpell.HasAttribute(SpellCustomAttributes.BinarySpell))
allNonBinary = false;
}
break;
default:
break;
switch (effect.ApplyAuraName)
{
case AuraType.PeriodicTriggerSpell:
case AuraType.PeriodicTriggerSpellWithValue:
SpellInfo triggerSpell = Global.SpellMgr.GetSpellInfo(effect.TriggerSpell, Difficulty.None);
if (triggerSpell != null)
{
overrideAttr = true;
if (triggerSpell.HasAttribute(SpellCustomAttributes.BinarySpell))
allNonBinary = false;
}
break;
default:
break;
}
}
}
if (overrideAttr && allNonBinary)
spellInfo.AttributesCu &= ~SpellCustomAttributes.BinarySpell;
}
if (overrideAttr && allNonBinary)
spellInfo.AttributesCu &= ~SpellCustomAttributes.BinarySpell;
// remove attribute from spells that can't crit
if (spellInfo.HasAttribute(SpellCustomAttributes.CanCrit))
if (spellInfo.HasAttribute(SpellAttr2.CantCrit))
spellInfo.AttributesCu &= ~SpellCustomAttributes.CanCrit;
}
Log.outInfo(LogFilter.ServerLoading, "Loaded spell custom attributes in {0} ms", Time.GetMSTimeDiffToNow(oldMSTime));