From 24e406876125a0b362e8933a59d339fdcb9cf171 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Sun, 2 Jan 2022 12:35:46 -0500
Subject: [PATCH] Entities/Unit: Add a missing underflow check to prevent
 really really low damage from underflowing when paired with flat damage
 modifiers.

Port From (https://github.com/TrinityCore/TrinityCore/commit/970a89a8c3e615244b5968e04d888100fba2cff0)
---
 Source/Game/Entities/Unit/Unit.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/Game/Entities/Unit/Unit.cs b/Source/Game/Entities/Unit/Unit.cs
index fc6374867..340223796 100644
--- a/Source/Game/Entities/Unit/Unit.cs
+++ b/Source/Game/Entities/Unit/Unit.cs
@@ -3676,6 +3676,9 @@ namespace Game.Entities
             else
                 TakenFlatBenefit += GetTotalAuraModifier(AuraType.ModRangedDamageTaken);
 
+            if ((TakenFlatBenefit < 0) && (pdamage < -TakenFlatBenefit))
+                return 0;
+
             // Taken total percent damage auras
             float TakenTotalMod = 1.0f;