refactor(runtime): own teleport destination correlation

src/AcDream.App/Streaming/RuntimeTeleportDestinationAdapter.cs

@@ -0,0 +1,37 @@
+using System.Numerics;
+using AcDream.Core.Net;
+using AcDream.Core.Physics;
+using AcDream.Runtime;
+
+namespace AcDream.App.Streaming;
+
+/// <summary>
+/// One-way boundary from an already accepted wire Position into Runtime's
+/// presentation-independent teleport destination. Canonical physics consumes
+/// the packet first; this adapter neither gates nor applies it.
+/// </summary>
+internal static class RuntimeTeleportDestinationAdapter
+{
+    public static RuntimeTeleportDestination FromAcceptedPosition(
+        in WorldSession.EntityPositionUpdate update)
+    {
+        var position = update.Position;
+        return new RuntimeTeleportDestination(
+            update.Guid,
+            update.InstanceSequence,
+            update.PositionSequence,
+            update.TeleportSequence,
+            update.ForcePositionSequence,
+            new Position(
+                position.LandblockId,
+                new Vector3(
+                    position.PositionX,
+                    position.PositionY,
+                    position.PositionZ),
+                new Quaternion(
+                    position.RotationX,
+                    position.RotationY,
+                    position.RotationZ,
+                    position.RotationW)));
+    }
+}