Core/Creatures: Taxi improvements

* Fixed flight master minimap icon
* Fixed crash on Argus
* Implemented teleport taxi nodes
Port From (https://github.com/TrinityCore/TrinityCore/commit/73e0b3e77c04a7821f58d79211f344b9129602f1)

Source/Framework/Constants/CliDBConst.cs

@@ -2115,13 +2115,20 @@ namespace Framework.Constants
         DontDismissWhenEncounterIsAborted = 0x80000000  // NYI
     }
 
+    [Flags]
     public enum TaxiNodeFlags : int
     {
-        Alliance = 0x1,
+        ShowOnAllianceMap = 0x01,
-        Horde = 0x2,
+        ShowOnHordeMap = 0x02,
-        UseFavoriteMount = 0x10
+        ShowOnMapBorder = 0x04,
+        ShowIfClientPassesCondition = 0x08,
+        UsePlayerFavoriteMount = 0x10,
+        EndPointPnly = 0x20,
+        IgnoreForFindNearest = 0x40,
+        DoNotShowInWorldMapUI = 0x80,
     }
 
+    [Flags]
     public enum TaxiPathNodeFlags : int
     {
         Teleport = 0x1,

Source/Game/DataStorage/CliDB.cs

@@ -413,7 +413,7 @@ namespace Game.DataStorage
 
             foreach (var node in TaxiNodesStorage.Values)
             {
-                if (!node.Flags.HasAnyFlag(TaxiNodeFlags.Alliance | TaxiNodeFlags.Horde))
+                if (!node.IsPartOfTaxiNetwork())
                     continue;
 
                 // valid taxi network node
@@ -421,9 +421,9 @@ namespace Game.DataStorage
                 byte submask = (byte)(1 << (int)((node.Id - 1) % 8));
 
                 TaxiNodesMask[field] |= submask;
-                if (node.Flags.HasAnyFlag(TaxiNodeFlags.Horde))
+                if (node.GetFlags().HasFlag(TaxiNodeFlags.ShowOnHordeMap))
                     HordeTaxiNodesMask[field] |= submask;
-                if (node.Flags.HasAnyFlag(TaxiNodeFlags.Alliance))
+                if (node.GetFlags().HasFlag(TaxiNodeFlags.ShowOnAllianceMap))
                     AllianceTaxiNodesMask[field] |= submask;
 
                 int uiMapId;

Source/Game/DataStorage/Structs/T_Records.cs

@@ -36,13 +36,29 @@ namespace Game.DataStorage
         public ushort ContinentID;
         public uint ConditionID;
         public ushort CharacterBitNumber;
-        public TaxiNodeFlags Flags;
+        public int Flags;
         public int UiTextureKitID;
         public int MinimapAtlasMemberID;
         public float Facing;
         public uint SpecialIconConditionID;
         public uint VisibilityConditionID;
         public uint[] MountCreatureID = new uint[2];
+
+        public TaxiNodeFlags GetFlags() { return (TaxiNodeFlags)Flags; }
+
+        public bool IsPartOfTaxiNetwork()
+        {
+            return GetFlags().HasFlag(TaxiNodeFlags.ShowOnAllianceMap | TaxiNodeFlags.ShowOnHordeMap)
+                // manually whitelisted nodes
+                || Id == 1985   // [Hidden] Argus Ground Points Hub (Ground TP out to here, TP to Vindicaar from here)
+                || Id == 1986   // [Hidden] Argus Vindicaar Ground Hub (Vindicaar TP out to here, TP to ground from here)
+                || Id == 1987   // [Hidden] Argus Vindicaar No Load Hub (Vindicaar No Load transition goes through here)
+                || Id == 2627   // [Hidden] 9.0 Bastion Ground Points Hub (Ground TP out to here, TP to Sanctum from here)
+                || Id == 2628   // [Hidden] 9.0 Bastion Ground Hub (Sanctum TP out to here, TP to ground from here)
+                || Id == 2732   // [HIDDEN] 9.2 Resonant Peaks - Teleport Network - Hidden Hub (Connects all Nodes to each other without unique paths)
+                || Id == 2835   // [Hidden] 10.0 Travel Network - Destination Input
+                || Id == 2843;   // [Hidden] 10.0 Travel Network - Destination Output
+        }
     }
 
     public sealed class TaxiPathRecord

Source/Game/Entities/Creature/Creature.cs

@@ -358,7 +358,15 @@ namespace Game.Entities
             // checked and error show at loading templates
             var factionTemplate = CliDB.FactionTemplateStorage.LookupByKey(cInfo.Faction);
             if (factionTemplate != null)
+            {
                 SetPvP(factionTemplate.Flags.HasAnyFlag((ushort)FactionTemplateFlags.PVP));
+                if (IsTaxi())
+                {
+                    uint taxiNodesId = Global.ObjectMgr.GetNearestTaxiNode(GetPositionX(), GetPositionY(), GetPositionZ(), GetMapId(),
+                        (factionTemplate.FactionGroup & (byte)FactionMasks.Alliance) != 0 ? Team.Alliance : Team.Horde);
+                    SetUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.TaxiNodesID), (int)taxiNodesId);
+                }
+            }
 
             // updates spell bars for vehicles and set player's faction - should be called here, to overwrite faction that is set from the new template
             if (IsVehicle())
@@ -3295,7 +3303,7 @@ namespace Game.Entities
             return (CreatureAI)i_AI;
         }
 
-        public T GetAI<T>() where T : CreatureAI
+        public new T GetAI<T>() where T : CreatureAI
         {
             return (T)i_AI;
         }

Source/Game/Entities/Player/Player.cs

@@ -7036,7 +7036,7 @@ namespace Game.Entities
             // change but I couldn't find a suitable alternative. OK to use class because only DK
             // can use this taxi.
             uint mount_display_id;
-            if (node.Flags.HasAnyFlag(TaxiNodeFlags.UseFavoriteMount) && preferredMountDisplay != 0)
+            if (node.GetFlags().HasFlag(TaxiNodeFlags.UsePlayerFavoriteMount) && preferredMountDisplay != 0)
                 mount_display_id = preferredMountDisplay;
             else
                 mount_display_id = ObjectMgr.GetTaxiMountDisplayId(sourcenode, GetTeam(), npc == null || (sourcenode == 315 && GetClass() == Class.Deathknight));

Source/Game/Entities/Taxi/TaxiPathGraph.cs

@@ -84,7 +84,7 @@ namespace Game.Entities
 
         static uint GetVertexIDFromNodeID(TaxiNodesRecord node)
         {
-            return m_verticesByNode.ContainsKey(node.Id) ? m_verticesByNode[node.Id] : uint.MaxValue;
+            return m_verticesByNode.LookupByKey(node.Id);
         }
 
         static uint GetNodeIDFromVertexID(uint vertexID)
@@ -107,7 +107,7 @@ namespace Game.Entities
             {
                 TaxiNodesRecord from = CliDB.TaxiNodesStorage.LookupByKey(path.FromTaxiNode);
                 TaxiNodesRecord to = CliDB.TaxiNodesStorage.LookupByKey(path.ToTaxiNode);
-                if (from != null && to != null && from.Flags.HasAnyFlag(TaxiNodeFlags.Alliance | TaxiNodeFlags.Horde) && to.Flags.HasAnyFlag(TaxiNodeFlags.Alliance | TaxiNodeFlags.Horde))
+                if (from != null && to != null && from.IsPartOfTaxiNetwork() && to.IsPartOfTaxiNetwork())
                     AddVerticeAndEdgeFromNodeInfo(from, to, path.Id, edges);
             }
 
@@ -141,17 +141,21 @@ namespace Game.Entities
             else
             {
                 shortestPath.Clear();
+
+                uint fromVertexId = GetVertexIDFromNodeID(from);
+                uint toVertexId = GetVertexIDFromNodeID(to);
+                if (fromVertexId != 0 && toVertexId != 0)
+                {
                     // We want to use Dijkstra on this graph
-                DijkstraShortestPath g = new(m_graph, (int)GetVertexIDFromNodeID(from));
+                    DijkstraShortestPath dijkstra = new(m_graph, (int)fromVertexId);
-                var path = g.PathTo((int)GetVertexIDFromNodeID(to));
+                    var path = dijkstra.PathTo((int)toVertexId);
                     // found a path to the goal
                     shortestPath.Add(from.Id);
                     foreach (var edge in path)
                     {
-                    //todo  test me No clue about this....
                         var To = m_nodesByVertex[(int)edge.To];
-                    TaxiNodeFlags requireFlag = (player.GetTeam() == Team.Alliance) ? TaxiNodeFlags.Alliance : TaxiNodeFlags.Horde;
+                        TaxiNodeFlags requireFlag = (player.GetTeam() == Team.Alliance) ? TaxiNodeFlags.ShowOnAllianceMap : TaxiNodeFlags.ShowOnHordeMap;
-                    if (!To.Flags.HasAnyFlag(requireFlag))
+                        if (!To.GetFlags().HasFlag(requireFlag))
                             continue;
 
                         PlayerConditionRecord condition = CliDB.PlayerConditionStorage.LookupByKey(To.ConditionID);
@@ -162,6 +166,7 @@ namespace Game.Entities
                         shortestPath.Add(GetNodeIDFromVertexID(edge.To));
                     }
                 }
+            }
 
             return shortestPath.Count;
         }
@@ -169,7 +174,11 @@ namespace Game.Entities
         //todo test me
         public static void GetReachableNodesMask(TaxiNodesRecord from, byte[] mask)
         {
-            DepthFirstSearch depthFirst = new(m_graph, GetVertexIDFromNodeID(from), vertex =>
+            uint vertexId = GetVertexIDFromNodeID(from);
+            if (vertexId == 0)
+                return;
+
+            DepthFirstSearch depthFirst = new(m_graph, vertexId, vertex =>
             {
                 TaxiNodesRecord taxiNode = CliDB.TaxiNodesStorage.LookupByKey(GetNodeIDFromVertexID(vertex));
                 if (taxiNode != null)

Source/Game/Globals/ObjectManager.cs

@@ -10398,11 +10398,11 @@ namespace Game
             float dist = 10000;
             uint id = 0;
 
-            TaxiNodeFlags requireFlag = (team == Team.Alliance) ? TaxiNodeFlags.Alliance : TaxiNodeFlags.Horde;
+            TaxiNodeFlags requireFlag = (team == Team.Alliance) ? TaxiNodeFlags.ShowOnAllianceMap : TaxiNodeFlags.ShowOnHordeMap;
             foreach (var node in CliDB.TaxiNodesStorage.Values)
             {
                 var i = node.Id;
-                if (node.ContinentID != mapid || !node.Flags.HasAnyFlag(requireFlag))
+                if (node.ContinentID != mapid || !node.GetFlags().HasFlag(requireFlag) || node.GetFlags().HasFlag(TaxiNodeFlags.IgnoreForFindNearest))
                     continue;
 
                 uint field = (i - 1) / 8;

Source/Game/Handlers/MovementHandler.cs

@@ -750,19 +750,29 @@ namespace Game
                 TaxiNodesRecord curDestNode = CliDB.TaxiNodesStorage.LookupByKey(curDest);
 
                 // far teleport case
-                if (curDestNode != null && curDestNode.ContinentID != GetPlayer().GetMapId() && GetPlayer().GetMotionMaster().GetCurrentMovementGeneratorType() == MovementGeneratorType.Flight)
+                if (GetPlayer().GetMotionMaster().GetCurrentMovementGeneratorType() == MovementGeneratorType.Flight)
                 {
                     FlightPathMovementGenerator flight = GetPlayer().GetMotionMaster().GetCurrentMovementGenerator() as FlightPathMovementGenerator;
                     if (flight != null)
+                    {
+                        bool shouldTeleport = curDestNode != null && curDestNode.ContinentID != GetPlayer().GetMapId();
+                        if (!shouldTeleport)
+                        {
+                            var currentNode = flight.GetPath()[(int)flight.GetCurrentNode()];
+                            shouldTeleport = currentNode.Flags.HasFlag(TaxiPathNodeFlags.Teleport);
+                        }
+
+                        if (shouldTeleport)
                         {
                             // short preparations to continue flight
                             flight.SetCurrentNodeAfterTeleport();
-                        TaxiPathNodeRecord node = flight.GetPath()[(int)flight.GetCurrentNode()];
+                            var node = flight.GetPath()[(int)flight.GetCurrentNode()];
                             flight.SkipCurrentNode();
 
                             GetPlayer().TeleportTo(curDestNode.ContinentID, node.Loc.X, node.Loc.Y, node.Loc.Z, GetPlayer().GetOrientation());
                         }
                     }
+                }
 
                 return;
             }

Source/Game/Movement/Generators/FlightPathMovementGenerator.cs

@@ -127,14 +127,17 @@ namespace Game.Movement
             owner.Dismount();
             owner.RemoveUnitFlag(UnitFlags.RemoveClientControl | UnitFlags.OnTaxi);
 
-            if (owner.m_taxi.Empty())
+
-            {
             // update z position to ground and orientation for landing point
             // this prevent cheating with landing  point at lags
             // when client side flight end early in comparison server side
             owner.StopMoving();
+
             // When the player reaches the last flight point, teleport to destination taxi node location
-                var node = CliDB.TaxiNodesStorage.LookupByKey(taxiNodeId);
+            if (!_path.Empty() && (_path.Count < 2 || !_path[_path.Count - 2].Flags.HasFlag(TaxiPathNodeFlags.Teleport)))
+            {
+                var lastPath = CliDB.TaxiPathStorage.LookupByKey(_path.Last().PathID);
+                var node = CliDB.TaxiNodesStorage.LookupByKey(lastPath.ToTaxiNode);
                 if (node != null)
                 {
                     owner.SetFallInformation(0, node.Pos.Z);
@@ -155,6 +158,8 @@ namespace Game.Movement
             {
                 if (_path[i].ContinentID != curMapId)
                     return (uint)i;
+                if (i > 0 && _path[i - 1].Flags.HasFlag(TaxiPathNodeFlags.Teleport))
+                    return (uint)i;
             }
 
             return (uint)_path.Count;
@@ -162,7 +167,10 @@ namespace Game.Movement
 
         bool IsNodeIncludedInShortenedPath(TaxiPathNodeRecord p1, TaxiPathNodeRecord p2)
         {
-            return p1.ContinentID != p2.ContinentID || Math.Pow(p1.Loc.X - p2.Loc.X, 2) + Math.Pow(p1.Loc.Y - p2.Loc.Y, 2) > (40.0f * 40.0f);
+            return p1.ContinentID != p2.ContinentID
+                || MathF.Pow(p1.Loc.X - p2.Loc.X, 2) + MathF.Pow(p1.Loc.Y - p2.Loc.Y, 2) > 40.0f * 40.0f
+                || p2.Flags.HasFlag(TaxiPathNodeFlags.Teleport)
+                || (p2.Flags.HasFlag(TaxiPathNodeFlags.Stop) && p2.Delay != 0);
         }
 
         public void LoadPath(Player player, uint startNode = 0)
@@ -191,7 +199,8 @@ namespace Game.Movement
                         if (passedPreviousSegmentProximityCheck || src == 0 || _path.Empty() || IsNodeIncludedInShortenedPath(_path.Last(), nodes[i]))
                         {
                             if ((src == 0 || (IsNodeIncludedInShortenedPath(start, nodes[i]) && i >= 2)) &&
-                                (dst == taxi.Count - 1 || (IsNodeIncludedInShortenedPath(end, nodes[i]) && i < nodes.Length - 1)))
+                                (dst == taxi.Count - 1 || (IsNodeIncludedInShortenedPath(end, nodes[i]) && (i < nodes.Length - 1 || _path.Empty()))) &&
+                                (!nodes[i].Flags.HasFlag(TaxiPathNodeFlags.Teleport) || _path.Empty() || !_path.Last().Flags.HasFlag(TaxiPathNodeFlags.Teleport))) // skip consecutive teleports, only keep the first one
                             {
                                 passedPreviousSegmentProximityCheck = true;
                                 _path.Add(nodes[i]);
@@ -205,7 +214,7 @@ namespace Game.Movement
                     }
                 }
 
-                _pointsForPathSwitch.Add(new TaxiNodeChangeInfo((uint)(_path.Count - 1), (long)Math.Ceiling(cost * discount)));
+                _pointsForPathSwitch.Add(new TaxiNodeChangeInfo((uint)(Math.Max(_path.Count, 1) - 1), (long)Math.Ceiling(cost * discount)));
             }
         }
 
@@ -217,7 +226,7 @@ namespace Game.Movement
             uint map0 = _path[_currentNode].ContinentID;
             for (int i = _currentNode + 1; i < _path.Count; ++i)
             {
-                if (_path[i].ContinentID != map0)
+                if (_path[i].ContinentID != map0 || _path[i - 1].Flags.HasFlag(TaxiPathNodeFlags.Teleport))
                 {
                     _currentNode = i;
                     return;