Core/Misc: Reduce differences between cores

Port From (https://github.com/TrinityCore/TrinityCore/commit/ff6a107ac0e7a82d728f8fd2fd8423743233a474)

Source/Game/Entities/Player/Player.Items.cs

@@ -5061,7 +5061,7 @@ namespace Game.Entities
                     {
                         // Do not allow polearm to be equipped in the offhand (rare case for the only 1h polearm 41750)
                         if (type == InventoryType.Weapon && pProto.GetSubClass() == (uint)ItemSubClassWeapon.Polearm)
-                            return InventoryResult.TwoHandSkillNotFound;
+                            return InventoryResult.WrongSlot;
                         else if (type == InventoryType.Weapon)
                         {
                             if (!CanDualWield())

Source/Game/Entities/Player/Player.cs

@@ -243,7 +243,7 @@ namespace Game.Entities
             SetInventorySlotCount(InventorySlots.DefaultSize);
 
             // set starting level
-            SetLevel(GetStartLevel(createInfo.RaceId, createInfo.ClassId, createInfo.TemplateSet));
+            SetLevel(GetStartLevel(createInfo.RaceId, createInfo.ClassId, createInfo.TemplateSet), false);
 
             InitRunes();
 

Source/Game/Handlers/QueryHandler.cs

@@ -229,7 +229,7 @@ namespace Game
             packet.MapID = (int)corpseMapID;
             packet.ActualMapID = (int)mapID;
             packet.Position = new Vector3(x, y, z);
-            packet.Transport = ObjectGuid.Empty;
+            packet.Transport = ObjectGuid.Empty; // TODO: If corpse is on transport, send transport offsets and transport guid
             SendPacket(packet);
         }
 
@@ -240,13 +240,17 @@ namespace Game
             response.Player = queryCorpseTransport.Player;
 
             Player player = Global.ObjAccessor.FindConnectedPlayer(queryCorpseTransport.Player);
-            if (player != null)
+            if (player != null && _player.IsInSameRaidWith(player))
             {
-                Corpse corpse = player.GetCorpse();
-                if (_player.IsInSameRaidWith(player) && corpse != null && !corpse.GetTransGUID().IsEmpty() && corpse.GetTransGUID() == queryCorpseTransport.Transport)
+                Corpse corpse = _player.GetCorpse();
+                if (corpse != null)
                 {
-                    response.Position = new Vector3(corpse.GetTransOffsetX(), corpse.GetTransOffsetY(), corpse.GetTransOffsetZ());
-                    response.Facing = corpse.GetTransOffsetO();
+                    Transport transport = (Transport)corpse.GetTransport();
+                    if (transport != null && transport.GetGUID() == queryCorpseTransport.Transport)
+                    {
+                        response.Position = transport.GetPosition();
+                        response.Facing = transport.GetOrientation();
+                    }
                 }
             }
 

Source/Game/Spells/Auras/Aura.cs

@@ -405,6 +405,17 @@ namespace Game.Spells
             }
         }
 
+        public bool CanPeriodicTickCrit()
+        {
+            if (GetSpellInfo().HasAttribute(SpellAttr2.CantCrit))
+                return false;
+
+            if (GetSpellInfo().HasAttribute(SpellAttr8.PeriodicCanCrit))
+                return true;
+
+            return false;
+        }
+
         public virtual void Dispose()
         {
             // unload scripts

Source/Game/Spells/Auras/AuraEffect.cs

@@ -5667,20 +5667,9 @@ namespace Game.Spells
             caster.SendSpellNonMeleeDamageLog(damageInfo);
         }
 
-        bool CanPeriodicTickCrit()
-        {
-            if (GetSpellInfo().HasAttribute(SpellAttr2.CantCrit))
-                return false;
-
-            if (GetSpellInfo().HasAttribute(SpellAttr8.PeriodicCanCrit))
-                return true;
-
-            return false;
-        }
-
         float CalcPeriodicCritChance(Unit caster)
         {
-            if (caster == null || !CanPeriodicTickCrit())
+            if (caster == null || !GetBase().CanPeriodicTickCrit())
                 return 0.0f;
 
             Player modOwner = caster.GetSpellModOwner();