refactor(runtime): own teleport destination correlation

tests/AcDream.App.Tests/RuntimeWorldTransitTestDriver.cs

@@ -0,0 +1,53 @@
+using System.Numerics;
+using AcDream.Core.Physics;
+using AcDream.Runtime;
+using AcDream.Runtime.World;
+
+namespace AcDream.App.Tests;
+
+internal static class RuntimeWorldTransitTestDriver
+{
+    public static long BeginPortal(
+        RuntimeWorldTransitState transit,
+        uint destinationCell,
+        ushort sequence = 1)
+    {
+        AcceptPortalDestination(transit, destinationCell, sequence);
+        Assert.True(transit.TryBeginPortalReveal(
+            sequence,
+            destinationCell,
+            out long generation));
+        return generation;
+    }
+
+    public static void AcceptPortalDestination(
+        RuntimeWorldTransitState transit,
+        uint destinationCell,
+        ushort sequence = 1)
+    {
+        Assert.True(transit.TryQueueTeleportStart(sequence));
+        Assert.True(transit.ActivateQueuedTeleport());
+        Assert.True(transit.OfferTeleportDestination(
+            new RuntimeTeleportDestination(
+                EntityGuid: 0x50000001u,
+                InstanceSequence: 1,
+                PositionSequence: 1,
+                TeleportSequence: sequence,
+                ForcePositionSequence: 1,
+                Position: new Position(
+                    destinationCell,
+                    Vector3.Zero,
+                    Quaternion.Identity)),
+            teleportTimestampAdvanced: true));
+    }
+
+    public static bool MaterializePortal(
+        RuntimeWorldTransitState transit,
+        long generation,
+        uint destinationCell,
+        ushort sequence = 1) =>
+        transit.AcknowledgePortalMaterialized(
+            generation,
+            sequence,
+            destinationCell);
+}