Core/Vehicles: Added new field CustomFlags to vehicle_template

Port From (https://github.com/TrinityCore/TrinityCore/commit/00eed485156963cab5caa75b8e36dd7a332a423e)

Source/Game/Entities/Vehicle.cs

@@ -389,7 +389,11 @@ namespace Game.Entities
 
             // only for flyable vehicles
             if (unit.IsFlying())
+            {
+                VehicleTemplate vehicleTemplate = Global.ObjectMgr.GetVehicleTemplate(this);
+                if (vehicleTemplate == null || !vehicleTemplate.CustomFlags.HasFlag(VehicleCustomFlags.DontForceParachuteOnExit))
                     _me.CastSpell(unit, SharedConst.VehicleSpellParachute, true);
+            }
 
             if (_me.IsTypeId(TypeId.Unit) && _me.ToCreature().IsAIEnabled())
                 _me.ToCreature().GetAI().PassengerBoarded(unit, seat.Key, false);
@@ -828,10 +832,17 @@ namespace Game.Entities
         public uint? RideSpellID;
     }
 
+    public enum VehicleCustomFlags
+    {
+        None = 0x0,
+        DontForceParachuteOnExit = 0x1
+    }
+
     public class VehicleTemplate
     {
         public TimeSpan DespawnDelay;
         public float? Pitch;
+        public VehicleCustomFlags CustomFlags;
     }
 
     public class VehicleSeatAddon

Source/Game/Globals/ObjectManager.cs

@@ -11391,8 +11391,8 @@ namespace Game
 
             _vehicleTemplateStore.Clear();
 
-            //                                         0           1               2
-            SQLResult result = DB.World.Query("SELECT creatureId, despawnDelayMs, Pitch FROM vehicle_template");
+            //                                         0           1               2      3
+            SQLResult result = DB.World.Query("SELECT creatureId, despawnDelayMs, Pitch, CustomFlags FROM vehicle_template");
             if (result.IsEmpty())
             {
                 Log.outInfo(LogFilter.ServerLoading, "Loaded 0 vehicle template. DB table `vehicle_template` is empty.");
@@ -11418,6 +11418,7 @@ namespace Game
 
                 VehicleTemplate vehicleTemplate = new();
                 vehicleTemplate.DespawnDelay = TimeSpan.FromMilliseconds(result.Read<int>(1));
+                vehicleTemplate.CustomFlags = (VehicleCustomFlags)result.Read<int>(3);
 
                 if (!result.IsNull(2))
                 {