Dmg loot fix (azerothcore#145)

* Update AutoBalance.cpp

Scale DmgRequired similarly to Creature HP

* Update AutoBalance.cpp

Fix typo

* Update AutoBalance.cpp

I blame python

* Update AutoBalance.cpp

Fix Math

src/AutoBalance.cpp

@@ -2847,7 +2847,10 @@ class AutoBalance_AllCreatureScript : public AllCreatureScript
         uint32 prevMaxPower = creature->GetMaxPower(POWER_MANA);
         uint32 prevHealth = creature->GetHealth();
         uint32 prevPower = creature->GetPower(POWER_MANA);
-
+
+        uint32 prevPlayerDamageRequired = creature->GetPlayerDamageReq();
+        uint32 prevCreateHealth = creature->GetCreateHealth();
+
         Powers pType= creature->getPowerType();
 
         creature->SetArmor(newBaseArmor);
@@ -2873,6 +2876,20 @@ class AutoBalance_AllCreatureScript : public AllCreatureScript
         else
             creature->setPowerType(pType); // fix creatures with different power types
 
+        uint32 playerDamageRequired = creature->GetPlayerDamageReq();
+        if(prevPlayerDamageRequired == 0)
+        {
+            // If already reached damage threshold for loot, drop to zero again
+            creature->LowerPlayerDamageReq(playerDamageRequired, true);
+        }
+        else
+        {
+            // Scale the damage requirements similar to creature HP scaling
+            uint32 scaledPlayerDmgReq = float(prevPlayerDamageRequired) * float(scaledHealth) / float(prevCreateHealth);
+            // Do some math
+            creature->LowerPlayerDamageReq(playerDamageRequired - scaledPlayerDmgReq, true);
+        }
+
         //
         // Reward Scaling
         //