feat(ui): port retail radar and compass

tests/AcDream.Core.Net.Tests/WorldSessionRadarTests.cs

@@ -0,0 +1,44 @@
+using AcDream.Core.Net.Messages;
+
+namespace AcDream.Core.Net.Tests;
+
+public sealed class WorldSessionRadarTests
+{
+    [Fact]
+    public void ToEntitySpawn_PreservesRadarBytes()
+    {
+        var parsed = MinimalParsed() with
+        {
+            RadarBlipColor = 7,
+            RadarBehavior = 3,
+        };
+
+        var spawn = WorldSession.ToEntitySpawn(parsed);
+
+        Assert.Equal((byte)7, spawn.RadarBlipColor);
+        Assert.Equal((byte)3, spawn.RadarBehavior);
+    }
+
+    [Fact]
+    public void ToEntitySpawn_PreservesMissingRadarFields()
+    {
+        var spawn = WorldSession.ToEntitySpawn(MinimalParsed());
+
+        Assert.Null(spawn.RadarBlipColor);
+        Assert.Null(spawn.RadarBehavior);
+    }
+
+    private static CreateObject.Parsed MinimalParsed() => new(
+        Guid: 0x50000001u,
+        Position: null,
+        SetupTableId: null,
+        AnimPartChanges: Array.Empty<CreateObject.AnimPartChange>(),
+        TextureChanges: Array.Empty<CreateObject.TextureChange>(),
+        SubPalettes: Array.Empty<CreateObject.SubPaletteSwap>(),
+        BasePaletteId: null,
+        ObjScale: null,
+        Name: "Radar Test",
+        ItemType: null,
+        MotionState: null,
+        MotionTableId: null);
+}