feat(mosstank): add VTank-style automation PoC

tests/AcDream.App.Tests/UI/Layout/ProjectileDebugOverlayControllerTests.cs

@@ -0,0 +1,51 @@
+using System.Numerics;
+using AcDream.App.UI;
+using AcDream.App.UI.Layout;
+using AcDream.Plugin.Abstractions;
+
+namespace AcDream.App.Tests.UI.Layout;
+
+public sealed class ProjectileDebugOverlayControllerTests
+{
+    [Fact]
+    public void ProjectsTransientClearAndBlockedSamplesWithoutConsumingInput()
+    {
+        IReadOnlyList<PluginProjectileDebugSample> samples =
+        [
+            new(new Vector3(0f, 0f, -10f), true, 0.4f),
+            new(new Vector3(1f, 0f, -10f), false, 0.4f),
+        ];
+        var root = new UiRoot { Width = 800f, Height = 600f };
+        Matrix4x4 projection = Matrix4x4.CreatePerspectiveFieldOfView(
+            MathF.PI / 2f,
+            4f / 3f,
+            0.1f,
+            100f);
+        ProjectileDebugOverlayController controller =
+            ProjectileDebugOverlayController.Mount(
+                root,
+                () => samples,
+                () => (Matrix4x4.Identity, projection, new Vector2(800f, 600f)));
+
+        controller.Tick();
+
+        UiPanel overlay = Assert.IsType<UiPanel>(Assert.Single(root.Children));
+        Assert.True(overlay.Visible);
+        Assert.True(overlay.ClickThrough);
+        Assert.Equal(2, overlay.Children.Count);
+        UiPanel clear = Assert.IsType<UiPanel>(overlay.Children[0]);
+        UiPanel blocked = Assert.IsType<UiPanel>(overlay.Children[1]);
+        Assert.True(clear.Visible);
+        Assert.True(blocked.Visible);
+        Assert.Equal(new Vector4(0f, 1f, 0f, 0.95f), clear.BorderColor);
+        Assert.Equal(new Vector4(1f, 0f, 0f, 0.95f), blocked.BorderColor);
+        Assert.InRange(clear.Left, 380f, 400f);
+        Assert.InRange(clear.Top, 280f, 300f);
+
+        samples = [];
+        controller.Tick();
+
+        Assert.False(overlay.Visible);
+        Assert.All(overlay.Children, static child => Assert.False(child.Visible));
+    }
+}