Fix ADV and BUNKI animation polish

engine/Age.Engine.Tests/AdvTextOpsTests.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
+using Age.Engine.Hosting;
 using Age.Engine.Model;
 using Age.Engine.Sys4;
 using Age.Engine.Vm;
@@ -106,6 +108,22 @@ public class AdvTextOpsTests
                      Assert.Single(host.WaitIndicators));
     }
 
+    [Fact]
+    public void WaitIndicatorTerminalFrameIsExclusive()
+    {
+        var config = new AdvWaitIndicatorConfig(
+            1, 385, 140, 12, 0, 0, 30, 27, 12, 48);
+
+        int[] frames = Enumerable.Range(0, 24)
+            .Select(tick => config.FrameAt(tick * 48L))
+            .ToArray();
+
+        Assert.Equal(
+            Enumerable.Range(0, 12).Concat(Enumerable.Range(0, 12)),
+            frames);
+        Assert.DoesNotContain(12, frames);
+    }
+
     [Fact]
     public void WaitIndicatorToggleAndTextLayoutPublicationReachHost()
     {

engine/Age.Engine.Tests/GfxRangeTransformTests.cs

@@ -72,5 +72,16 @@ public class GfxRangeTransformTests
         Assert.NotNull(vm.Gfx.SnapshotVisibleObjects().Single().RangeTransform);
     }
 
+    [Fact]
+    public void BunkiAnimationPublicationExcludesStablePopupHandles()
+    {
+        var animationRange = new GfxHandleRange(0, 60000);
+
+        Assert.True(animationRange.Contains(59999));
+        Assert.False(animationRange.Contains(60000));
+        Assert.False(animationRange.Contains(60050));
+        Assert.True(GfxHandleRange.All.Contains(60050));
+    }
+
     private static Operand I(long v) => new(0, v);
 }

engine/Age.Engine.Tests/Transform2DMathTests.cs

@@ -48,6 +48,19 @@ public class Transform2DMathTests
         Assert.Equal(0, allocated);
     }
 
+    [Fact]
+    public void CanvasAxisDecompositionPreservesBunkiPopupScale()
+    {
+        var affine = Transform2DMath.Build(new TransformState(
+            0.05, 0.65, 1, 0, 0, 0, 400, 300, 0));
+
+        var (rotation, scaleX, scaleY) = affine.DecomposeCanvasAxes();
+
+        Assert.Equal(0, rotation, 12);
+        Assert.Equal(0.05, scaleX, 12);
+        Assert.Equal(0.65, scaleY, 12);
+    }
+
     private static double Next(Random random, double minimum, double maximum)
         => minimum + random.NextDouble() * (maximum - minimum);