Enable nullable at the project level for the Engine and opt-out where…

… it hasn't been implemented yet.

src/Woohoo.Agi.Engine/Detection/Database.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/DetectByAgiDesignerGameInfo.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/DetectByFileNames.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/DetectByInternalDatabase.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/DetectByWinAgiGameInfo.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/Game.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/GameDetector.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/GameDetectorResult.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/GameFile.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/GameFileCollection.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/Detection/GameFinder.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 public class GameFinder

src/Woohoo.Agi.Engine/Detection/GameInfoParser.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 internal static class GameInfoParser

src/Woohoo.Agi.Engine/Detection/IGameDetectorAlgorithm.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Detection;
 
 /// <summary>

src/Woohoo.Agi.Engine/GameFolder.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine;
 
 internal sealed class GameFolder : IGameContainer

src/Woohoo.Agi.Engine/GameStartInfo.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine;
 
 /// <summary>

src/Woohoo.Agi.Engine/GameZipArchive.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine;
 
 using System.IO.Compression;

src/Woohoo.Agi.Engine/IGameContainer.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine;
 
 public interface IGameContainer

src/Woohoo.Agi.Engine/Interpreter/AgiInterpreter.Kernel.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter;
 
 using Woohoo.Agi.Engine.Resources;

src/Woohoo.Agi.Engine/Interpreter/AgiInterpreter.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter;
 
 using Woohoo.Agi.Engine.Interpreter.Controls;

src/Woohoo.Agi.Engine/Interpreter/Blit.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter;
 
 public class Blit

src/Woohoo.Agi.Engine/Interpreter/BorderType.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter;
 
 /// <summary>

src/Woohoo.Agi.Engine/Interpreter/ClockState.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter;
 
 /// <summary>

src/Woohoo.Agi.Engine/Interpreter/ComputerType.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter;
 
 /// <summary>

src/Woohoo.Agi.Engine/Interpreter/ControlEntry.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter;
 
 /// <summary>

src/Woohoo.Agi.Engine/Interpreter/ControlLine.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter;
 
 /// <summary>

src/Woohoo.Agi.Engine/Interpreter/Controls/ClassicInputControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class ClassicInputControl : InputControl

src/Woohoo.Agi.Engine/Interpreter/Controls/GameControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class GameControl

src/Woohoo.Agi.Engine/Interpreter/Controls/GameSelectionControl.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 using Woohoo.Agi.Engine;

src/Woohoo.Agi.Engine/Interpreter/Controls/InputBoxControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class InputBoxControl

src/Woohoo.Agi.Engine/Interpreter/Controls/InputControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public abstract class InputControl

src/Woohoo.Agi.Engine/Interpreter/Controls/InventoryControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 using Woohoo.Agi.Engine.Resources;

src/Woohoo.Agi.Engine/Interpreter/Controls/InventoryControlItem.cs

@@ -18,7 +18,7 @@ public InventoryControlItem()
     /// <summary>
     /// Gets or sets item name.
     /// </summary>
-    public string Name { get; set; }
+    public string Name { get; set; } = string.Empty;
 
     /// <summary>
     /// Gets or sets item index in the inventory resource.

src/Woohoo.Agi.Engine/Interpreter/Controls/ListBoxControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class ListBoxControl

src/Woohoo.Agi.Engine/Interpreter/Controls/MenuControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class MenuControl

src/Woohoo.Agi.Engine/Interpreter/Controls/PopupInputControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class PopupInputControl : InputControl

src/Woohoo.Agi.Engine/Interpreter/Controls/PromptControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class PromptControl

src/Woohoo.Agi.Engine/Interpreter/Controls/SaveRestoreFolderBrowseControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class SaveRestoreFolderBrowseControl

src/Woohoo.Agi.Engine/Interpreter/Controls/SaveRestoreGameBrowseControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class SaveRestoreGameBrowseControl

src/Woohoo.Agi.Engine/Interpreter/Controls/StatusLineControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 using Woohoo.Agi.Engine;

src/Woohoo.Agi.Engine/Interpreter/Controls/TextBoxControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class TextBoxControl

src/Woohoo.Agi.Engine/Interpreter/Controls/TraceControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 using Woohoo.Agi.Engine.Interpreter;

src/Woohoo.Agi.Engine/Interpreter/Controls/WordListInputControl.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
+#nullable disable
+
 namespace Woohoo.Agi.Engine.Interpreter.Controls;
 
 public class WordListInputControl : ClassicInputControl

src/Woohoo.Agi.Engine/Interpreter/CycleMode.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter;
 
 /// <summary>

src/Woohoo.Agi.Engine/Interpreter/Direction.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Hugues Valois. All rights reserved.
 // Licensed under the X11 license. See LICENSE in the project root for license information.
 
-#nullable enable
-
 namespace Woohoo.Agi.Engine.Interpreter;
 
 /// <summary>