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Core/Unit: allow miss chance to exceed 60% cap with certain auras

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Port From (https://github.com/TrinityCore/TrinityCore/commit/6ab410b926f8d708f06a5da52357bc70e3b02244)
This commit is contained in:
hondacrx
2021-06-22 20:23:08 -04:00
parent 0711c5b3a4
commit 24f666a59d
1 changed files with 12 additions and 10 deletions
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Source/Game/Entities/StatSystem.cs
+12 -10
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@@ -791,7 +791,7 @@ namespace Game.Entities
float MeleeSpellMissChance(Unit victim, WeaponAttackType attType, SpellInfo spellInfo) float MeleeSpellMissChance(Unit victim, WeaponAttackType attType, SpellInfo spellInfo)
{ {
//calculate miss chance //calculate miss chance
float missChance = victim.GetUnitMissChance(attType); float missChance = victim.GetUnitMissChance();
// melee attacks while dual wielding have +19% chance to miss // melee attacks while dual wielding have +19% chance to miss
if (spellInfo == null && HaveOffhandWeapon() && !IsInFeralForm()) if (spellInfo == null && HaveOffhandWeapon() && !IsInFeralForm())
@@ -813,9 +813,16 @@ namespace Game.Entities
else else
missChance -= ModMeleeHitChance; missChance -= ModMeleeHitChance;
// Limit miss chance from 0 to 60% // Limit miss chance to 60%
MathFunctions.RoundToInterval(ref missChance, 0.0f, 60.0f); missChance = Math.Min(missChance, 60f);
return missChance;
// miss chance from SPELL_AURA_MOD_ATTACKER_xxx_HIT_CHANCE can exceed 60% miss cap (eg aura 50240)
if (attType == WeaponAttackType.RangedAttack)
missChance -= victim.GetTotalAuraModifier(AuraType.ModAttackerRangedHitChance);
else
missChance -= victim.GetTotalAuraModifier(AuraType.ModAttackerMeleeHitChance);
return Math.Max(missChance, 0f);
} }
float GetUnitCriticalChanceDone(WeaponAttackType attackType) float GetUnitCriticalChanceDone(WeaponAttackType attackType)
@@ -954,15 +961,10 @@ namespace Game.Entities
chance -= GetTotalAuraModifier(AuraType.ModExpertise) / 4.0f; chance -= GetTotalAuraModifier(AuraType.ModExpertise) / 4.0f;
return Math.Max(chance, 0.0f); return Math.Max(chance, 0.0f);
} }
float GetUnitMissChance(WeaponAttackType attType) float GetUnitMissChance()
{ {
float miss_chance = 5.0f; float miss_chance = 5.0f;
if (attType == WeaponAttackType.RangedAttack)
miss_chance -= GetTotalAuraModifier(AuraType.ModAttackerRangedHitChance);
else
miss_chance -= GetTotalAuraModifier(AuraType.ModAttackerMeleeHitChance);
return miss_chance; return miss_chance;
} }
float GetUnitBlockChance(WeaponAttackType attType, Unit victim) float GetUnitBlockChance(WeaponAttackType attType, Unit victim)