Core/PacketIO: Remove duplicated areatrigger spline packet writer

Port From (https://github.com/TrinityCore/TrinityCore/commit/dc10ac722f5e059852785372f9ff91e205d730ce)

Source/Game/Entities/AreaTrigger/AreaTrigger.cs

@@ -1086,7 +1086,7 @@ namespace Game.Entities
                 reshape.AreaTriggerSpline = new();
                 reshape.AreaTriggerSpline.ElapsedTimeForMovement = GetElapsedTimeForMovement();
                 reshape.AreaTriggerSpline.TimeToTarget = timeToTarget;
-                reshape.AreaTriggerSpline.Points = _spline.GetPoints();
+                reshape.AreaTriggerSpline.Points = _spline;
                 SendMessageToSet(reshape, true);
             }
 

Source/Game/Entities/Object/WorldObject.cs

@@ -577,8 +577,6 @@ namespace Game.Entities
                 bool hasMorphCurveID = createProperties != null && createProperties.MorphCurveId != 0;
                 bool hasFacingCurveID = createProperties != null && createProperties.FacingCurveId != 0;
                 bool hasMoveCurveID = createProperties != null && createProperties.MoveCurveId != 0;
-                bool hasAreaTriggerSpline = areaTrigger.HasSplines();
-                bool hasOrbit = areaTrigger.HasOrbit();
                 bool hasMovementScript = false;
                 bool hasPositionalSoundKitID = false;
 
@@ -595,19 +593,14 @@ namespace Game.Entities
                 data.WriteBit(hasFacingCurveID);
                 data.WriteBit(hasMoveCurveID);
                 data.WriteBit(hasPositionalSoundKitID);
-                data.WriteBit(hasAreaTriggerSpline);
-                data.WriteBit(hasOrbit);
+                data.WriteBit(areaTrigger.HasSplines());
+                data.WriteBit(areaTrigger.HasOrbit());
                 data.WriteBit(hasMovementScript);
 
                 data.FlushBits();
 
-                if (hasAreaTriggerSpline)
-                {
-                    data.WriteUInt32(areaTrigger.GetTimeToTarget());
-                    data.WriteUInt32(areaTrigger.GetElapsedTimeForMovement());
-
-                    MovementExtensions.WriteCreateObjectAreaTriggerSpline(areaTrigger.GetSpline(), data);
-                }
+                if (areaTrigger.HasSplines())
+                    AreaTriggerSplineInfo.WriteAreaTriggerSpline(data, areaTrigger.GetTimeToTarget(), areaTrigger.GetElapsedTimeForMovement(), areaTrigger.GetSpline());
 
                 if (hasTargetRollPitchYaw)
                     data.WriteVector3(areaTrigger.GetTargetRollPitchYaw());
@@ -630,7 +623,7 @@ namespace Game.Entities
                 //if (hasMovementScript)
                 //    *data << *areaTrigger.GetMovementScript(); // AreaTriggerMovementScriptInfo
 
-                if (hasOrbit)
+                if (areaTrigger.HasOrbit())
                     areaTrigger.GetOrbit().Write(data);
             }
 

Source/Game/Networking/Packets/AreaTriggerPackets.cs

@@ -4,6 +4,7 @@
 using Framework.Constants;
 using Framework.Dynamic;
 using Game.Entities;
+using Game.Movement;
 using System.Collections.Generic;
 using System.Numerics;
 
@@ -95,20 +96,26 @@ namespace Game.Networking.Packets
     //Structs
     class AreaTriggerSplineInfo
     {
-        public void Write(WorldPacket data)
+        public static void WriteAreaTriggerSpline(WorldPacket data, uint timeToTarget, uint elapsedTimeForMovement, Spline<float> areaTriggerSpline)
         {
-            data.WriteUInt32(TimeToTarget);
-            data.WriteUInt32(ElapsedTimeForMovement);
+            data.WriteUInt32(timeToTarget);
+            data.WriteUInt32(elapsedTimeForMovement);
 
-            data.WriteBits(Points.Length, 16);
+            var points = areaTriggerSpline.GetPoints();
+            data.WriteBits(points.Length, 16);
             data.FlushBits();
 
-            foreach (Vector3 point in Points)
+            foreach (Vector3 point in points)
                 data.WriteVector3(point);
         }
 
+        public void Write(WorldPacket data)
+        {
+            WriteAreaTriggerSpline(data, TimeToTarget, ElapsedTimeForMovement, Points);
+        }
+
         public uint TimeToTarget;
         public uint ElapsedTimeForMovement;
-        public Vector3[] Points = new Vector3[0];
+        public Spline<float> Points;
     }
 }

Source/Game/Networking/Packets/MovementPackets.cs

@@ -342,13 +342,6 @@ namespace Game.Networking.Packets
             }
         }
 
-        public static void WriteCreateObjectAreaTriggerSpline(Spline<float> spline, WorldPacket data)
-        {
-            data.WriteBits(spline.GetPoints().Length, 16);
-            foreach (var point in spline.GetPoints())
-                data.WriteVector3(point);
-        }
-
         public static void WriteMovementForceWithDirection(MovementForce movementForce, WorldPacket data, Position objectPosition = null)
         {
             data.WritePackedGuid(movementForce.ID);