[Movement/Spline]: set correct spline flags for taxi patching.

src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp

@@ -236,7 +236,7 @@ void FlightPathMovementGenerator::Reset(Player & player)
         init.Path().push_back(vertice);
     }
     init.SetFirstPointId(GetCurrentNode());
-    init.SetFly();
+    init.EnableTaxiFlight();
     init.SetVelocity(PLAYER_FLIGHT_SPEED);
     init.Launch();
 }

src/server/game/Movement/Spline/MoveSplineFlag.h

@@ -72,7 +72,7 @@ namespace Movement
             // flags that shouldn't be appended into SMSG_MONSTER_MOVE\SMSG_MONSTER_MOVE_TRANSPORT packet, should be more probably
             Mask_No_Monster_Move = Mask_Final_Facing | Mask_Animations | Done,
             // CatmullRom interpolation mode used
-            Mask_CatmullRom     = Catmullrom,
+            Mask_CatmullRom     = Catmullrom | Flying,
             // Unused, not suported flags
             Mask_Unused         = No_Spline|Enter_Cycle|Frozen|UncompressedPath|Unknown1|Unknown2|Unknown3|Unknown4|Unknown5|Unknown6|Unknown7|Unknown8|Unknown9,
         };
@@ -112,6 +112,7 @@ namespace Movement
         void EnableFacingTarget() { raw() = (raw() & ~Mask_Final_Facing) | Final_Target; }
         void EnableTransportEnter() { raw() = (raw() & ~TransportExit) | TransportEnter; }
         void EnableTransportExit() { raw() = (raw() & ~TransportEnter) | TransportExit; }
+        void EnableTaxiFlight() { raw() = raw() | Catmullrom | Flying | Walkmode | UncompressedPath; }  //4.3.4 0x600A00
 
         uint8 animId             : 4;
         bool unknown1            : 1;

src/server/game/Movement/Spline/MoveSplineInit.h

@@ -102,6 +102,10 @@ namespace Movement
         void SetFly();
         /* Enables walk mode. Disabled by default
          */
+        void EnableTaxiFlight();
+        /* Flags used in taxi
+        */
+
         void SetWalk(bool enable);
         /* Makes movement cyclic. Disabled by default
          */
@@ -141,6 +145,7 @@ namespace Movement
     };
 
     inline void MoveSplineInit::SetFly() { args.flags.EnableFlying(); }
+    inline void MoveSplineInit::EnableTaxiFlight() { args.flags.EnableTaxiFlight(); }
     inline void MoveSplineInit::SetWalk(bool enable) { args.flags.walkmode = enable;}
     inline void MoveSplineInit::SetSmooth() { args.flags.EnableCatmullRom();}
     inline void MoveSplineInit::SetCyclic() { args.flags.cyclic = true;}