Core/Creatures: Allow profession tools to be used as equipment

Port From (https://github.com/TrinityCore/TrinityCore/commit/2238844f567b63de1edd394b654b62ac4ddeb666)

Source/Framework/Constants/ItemConst.cs

@@ -94,6 +94,20 @@ namespace Framework.Constants
             ItemModifier.TransmogSecondaryAppearanceSpec4,
             ItemModifier.TransmogSecondaryAppearanceSpec5
         };
+
+        public static InventoryType[] InventoryTypesEquipable =
+        {
+            InventoryType.Weapon,
+            InventoryType.Shield,
+            InventoryType.Ranged,
+            InventoryType.Weapon2Hand,
+            InventoryType.WeaponMainhand,
+            InventoryType.WeaponOffhand,
+            InventoryType.Holdable,
+            InventoryType.Thrown,
+            InventoryType.RangedRight,
+            InventoryType.ProfessionTool
+        };
     }
 
     public struct ProfessionSlots

Source/Game/AI/SmartScripts/SmartAIManager.cs

@@ -9,6 +9,7 @@ using Game.Movement;
 using Game.Spells;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
@@ -1805,6 +1806,33 @@ namespace Game.AI
                             return false;
                         }
                     }
+
+                    bool isValidEquipmentSlot(uint itemEntry, byte slot)
+                    {
+                        ItemRecord dbcItem = CliDB.ItemStorage.LookupByKey(itemEntry);
+                        if (dbcItem == null)
+                        {
+                            Log.outError(LogFilter.Sql, $"SmartScript: SMART_ACTION_EQUIP uses unknown item {itemEntry} (slot {slot}) for creature {e.EntryOrGuid}, skipped.");
+                            return false;
+                        }
+
+                        if (ItemConst.InventoryTypesEquipable.All(inventoryType => inventoryType != dbcItem.inventoryType))
+                        {
+                            Log.outError(LogFilter.Sql, $"SmartScript: SMART_ACTION_EQUIP uses item {itemEntry} (slot {slot}) not equipable in a hand for creature {e.EntryOrGuid}, skipped.");
+                            return false;
+                        }
+
+                        return true;
+                    };
+
+                    if (e.Action.equip.slot1 != 0 && !isValidEquipmentSlot(e.Action.equip.slot1, 0))
+                        return false;
+
+                    if (e.Action.equip.slot2 != 0 && !isValidEquipmentSlot(e.Action.equip.slot2, 1))
+                        return false;
+
+                    if (e.Action.equip.slot3 != 0 && !isValidEquipmentSlot(e.Action.equip.slot3, 2))
+                        return false;
                     break;
                 }
                 case SmartActions.SetInstData:

Source/Game/Globals/ObjectManager.cs

@@ -2481,18 +2481,9 @@ namespace Game
                         continue;
                     }
 
-                    if (dbcItem.inventoryType != InventoryType.Weapon &&
-                        dbcItem.inventoryType != InventoryType.Shield &&
-                        dbcItem.inventoryType != InventoryType.Ranged &&
-                        dbcItem.inventoryType != InventoryType.Weapon2Hand &&
-                        dbcItem.inventoryType != InventoryType.WeaponMainhand &&
-                        dbcItem.inventoryType != InventoryType.WeaponOffhand &&
-                        dbcItem.inventoryType != InventoryType.Holdable &&
-                        dbcItem.inventoryType != InventoryType.Thrown &&
-                        dbcItem.inventoryType != InventoryType.RangedRight)
+                    if (ItemConst.InventoryTypesEquipable.All(inventoryType => inventoryType != dbcItem.inventoryType))
                     {
-                        Log.outError(LogFilter.Sql, "Item (ID {0}) in creature_equip_template.ItemID{1} for CreatureID  = {2} is not equipable in a hand, forced to 0.",
-                            equipmentInfo.Items[i].ItemId, i + 1, entry);
+                        Log.outError(LogFilter.Sql, $"Item (ID {equipmentInfo.Items[i].ItemId}) in creature_equip_template.ItemID{i + 1} for CreatureID = {entry} is not equipable in a hand, forced to 0.");
                         equipmentInfo.Items[i].ItemId = 0;
                     }
                 }