Core/Unit: implement miss chance reduction for low level mobs

Source: http://wow.gamepedia.com/index.php?title=Miss&oldid=1980141

> Level is not a factor except when attacking a mob level 9 or lower.
Miss chance against a low-level mob is a percentage of normal equal to the mob’s level divided by 10.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 6f0c4873f33..6a4e5a9dbca 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -13033,7 +13033,12 @@ float Unit::MeleeSpellMissChance(Unit const* victim, WeaponAttackType attType, i
     if (victim->GetTypeId() == TYPEID_PLAYER)
         missChance += diff > 0 ? diff * 0.04f : diff * 0.02f;
     else
+    {
         missChance += diff > 10 ? 1 + (diff - 10) * 0.4f : diff * 0.1f;
+        float levelFactor = victim->getLevelForTarget(this);
+        if (levelFactor < 10.f)
+            missChance *= (levelFactor / 10.f);
+    }
 
     // Spellmod from SPELLMOD_RESIST_MISS_CHANCE
     float resistMissChance = 100.0f;