Update new item methods for TC Retail

Author: Niam5

methods/TrinityCore/ItemMethods.h

@@ -673,6 +673,7 @@ namespace LuaItem
         E->Push(item->GetTemplate()->StatsCount);
         return 1;
     }
+#endif
 
     /**
      * Returns the stat info of the specified stat slot of this [Item]
@@ -687,12 +688,21 @@ namespace LuaItem
         int32 statValue = 0;
         int32 statType = 0;
 
+#if ELUNA_EXPANSION < EXP_RETAIL
         if (statSlot > 0 && statSlot <= item->GetTemplate()->StatsCount)
         {
             auto& statEntry = item->GetTemplate()->ItemStat[statSlot - 1];
             statValue = statEntry.ItemStatValue;
             statType = statEntry.ItemStatType;
         }
+#else
+        if (statSlot > 0 && statSlot <= MAX_ITEM_PROTO_STATS)
+        {
+            auto owner = item->GetOwner();
+            statValue = item->GetItemStatValue(statSlot, owner);
+            statType = item->GetItemStatType(statSlot);
+        } 
+#endif
 
         E->Push(statValue);
         E->Push(statType);
@@ -709,19 +719,32 @@ namespace LuaItem
      */
     int GetDamageInfo(Eluna* E, Item* item)
     {
-        uint8 damageSlot = E->CHECKVAL<uint8>(2);
+        uint8 damageSlot = E->CHECKVAL<uint8>(2); //Damage slot does not apply in retail
         uint32 damageType = 0;
         float damageMin = 0;
         float damageMax = 0;
 
+#if ELUNA_EXPANSION < EXP_RETAIL
         if (damageSlot > 0 && damageSlot <= MAX_ITEM_PROTO_DAMAGES)
         {
             auto& damageEntry = item->GetTemplate()->Damage[damageSlot - 1];
             damageType = damageEntry.DamageType;
             damageMin = damageEntry.DamageMin;
             damageMax = damageEntry.DamageMax;
         }
+#else
+        auto owner = item->GetOwner();
+        auto itemTemplate = item->GetTemplate();
+        damageType = itemTemplate->GetDamageType();
+        float dps = itemTemplate->GetDPS(item->GetItemLevel(owner));
 
+        if (dps > 0.0f)
+        {
+            float avgDamage = dps * itemTemplate->GetDelay() * 0.001f;
+            damageMin = (itemTemplate->GetDmgVariance() * -0.5f + 1.0f) * avgDamage;
+            damageMax = floor(float(avgDamage * (itemTemplate->GetDmgVariance() * 0.5f + 1.0f) + 0.5f));
+        }
+#endif
         E->Push(damageType);
         E->Push(damageMin);
         E->Push(damageMax);
@@ -735,7 +758,11 @@ namespace LuaItem
      */
     int GetSpeed(Eluna* E, Item* item)
     {
+#if ELUNA_EXPANSION < EXP_RETAIL
         E->Push(item->GetTemplate()->Delay);
+#else
+        E->Push(item->GetTemplate()->GetDelay());
+#endif
         return 1;
     }
 
@@ -746,7 +773,12 @@ namespace LuaItem
      */
     int GetArmor(Eluna* E, Item* item)
     {
+#if ELUNA_EXPANSION < EXP_RETAIL
         E->Push(item->GetTemplate()->Armor);
+#else
+        auto itemLevel = item->GetItemLevel(item->GetOwner());
+        E->Push(item->GetTemplate()->GetArmor(itemLevel));
+#endif
         return 1;
     }
 
@@ -757,7 +789,11 @@ namespace LuaItem
      */
     int GetMaxDurability(Eluna* E, Item* item)
     {
+#if ELUNA_EXPANSION < EXP_RETAIL
         E->Push(item->GetUInt32Value(ITEM_FIELD_MAXDURABILITY));
+#else
+        E->Push(item->m_itemData->MaxDurability);
+#endif
         return 1;
     }
 
@@ -768,10 +804,15 @@ namespace LuaItem
      */
     int GetDurability(Eluna* E, Item* item)
     {
+#if ELUNA_EXPANSION < EXP_RETAIL
         E->Push(item->GetUInt32Value(ITEM_FIELD_DURABILITY));
+#else
+        E->Push(item->m_itemData->Durability);
+#endif
         return 1;
     }
 
+#if ELUNA_EXPANSION < EXP_RETAIL
     /**
      * Returns the random property ID of this [Item]
      *