Core/SAI: Add actions ENTER_VEHICLE, BOARD_PASSENGER and EXIT_VEHICLE

Port From (https://github.com/TrinityCore/TrinityCore/commit/9477209f10bd33611251f38633f28dc5f16103f5)

Source/Framework/Constants/SmartAIConst.cs

@@ -391,6 +391,10 @@ namespace Framework.Constants
         DoAction = 151,
         CompleteQuest = 152, // QuestId. Regular quests with objectives can't be completed with this action (only quests with QUEST_FLAGS_COMPLETION_EVENT, QUEST_FLAGS_COMPLETION_AREA_TRIGGER or QUEST_FLAGS_TRACKING_EVENT)
         CreditQuestObjectiveTalkTo = 153,
+        EnterVehicle = 155,    // seat id
+        BoardPassenger = 156,    // seat id
+        ExitVehicle = 157,
+
         End
     }
 

Source/Game/AI/SmartScripts/SmartAIManager.cs

@@ -821,6 +821,9 @@ namespace Game.AI
                 SmartActions.DoAction => Marshal.SizeOf(typeof(SmartAction.DoAction)),
                 SmartActions.CompleteQuest => Marshal.SizeOf(typeof(SmartAction.Quest)),
                 SmartActions.CreditQuestObjectiveTalkTo => 0,
+                SmartActions.EnterVehicle => Marshal.SizeOf(typeof(SmartAction.EnterVehicle)),
+                SmartActions.BoardPassenger => Marshal.SizeOf(typeof(SmartAction.EnterVehicle)),
+                SmartActions.ExitVehicle => 0,
                 _ => Marshal.SizeOf(typeof(SmartAction.Raw)),
             };
 
@@ -2178,6 +2181,7 @@ namespace Game.AI
                 case SmartActions.SpawnSpawngroup:
                 case SmartActions.AddToStoredTargetList:
                 case SmartActions.DoAction:
+                case SmartActions.ExitVehicle:
                     break;
                 case SmartActions.BecomePersonalCloneForPlayer:
                 {
@@ -2220,6 +2224,16 @@ namespace Game.AI
                     }
                     break;
                 }
+                case SmartActions.EnterVehicle:
+                case SmartActions.BoardPassenger:
+                {
+                    if (e.Action.enterVehicle.seatId >= SharedConst.MaxVehicleSeats)
+                    {
+                        Log.outError(LogFilter.Sql, $"SmartAIMgr: {e} uses incorrect seat id (out of range 0 - {SharedConst.MaxVehicleSeats - 1}), skipped.");
+                        return false;
+                    }
+                    break;
+                }
                 // No longer supported
                 case SmartActions.CallAreaexploredoreventhappens:
                 case SmartActions.CallGroupeventhappens:
@@ -3262,6 +3276,9 @@ namespace Game.AI
         [FieldOffset(4)]
         public DoAction doAction;
 
+        [FieldOffset(4)]
+        public EnterVehicle enterVehicle;
+
         [FieldOffset(4)]
         public Raw raw;
 
@@ -3816,6 +3833,10 @@ namespace Game.AI
         {
             public uint actionId;
         }
+        public struct EnterVehicle
+        {
+            public uint seatId;
+        }
         public struct Raw
         {
             public uint param1;

Source/Game/AI/SmartScripts/SmartScript.cs

@@ -2664,6 +2664,50 @@ namespace Game.AI
                     }
                     break;
                 }
+                case SmartActions.EnterVehicle:
+                {
+                    if (_me == null)
+                        break;
+
+                    foreach (WorldObject target in targets)
+                    {
+                        Unit unitTarget = target.ToUnit();
+                        if (unitTarget != null)
+                        {
+                            _me.EnterVehicle(unitTarget, (sbyte)e.Action.enterVehicle.seatId);
+                            break;
+                        }
+                    }
+                    break;
+                }
+                case SmartActions.BoardPassenger:
+                {
+                    if (_me == null)
+                        break;
+
+                    foreach (WorldObject target in targets)
+                    {
+                        Unit unitTarget = target.ToUnit();
+                        if (unitTarget != null)
+                        {
+                            unitTarget.EnterVehicle(_me, (sbyte)e.Action.enterVehicle.seatId);
+                            break;
+                        }
+                    }
+                    break;
+                }
+                case SmartActions.ExitVehicle:
+                {
+                    foreach (WorldObject target in targets)
+                    {
+                        Unit unitTarget = target.ToUnit();
+                        if (unitTarget != null)
+                        {
+                            unitTarget.ExitVehicle();
+                        }
+                    }
+                    break;
+                }
                 default:
                     Log.outError(LogFilter.Sql, "SmartScript.ProcessAction: Entry {0} SourceType {1}, Event {2}, Unhandled Action type {3}", e.EntryOrGuid, e.GetScriptType(), e.EventId, e.GetActionType());
                     break;