Add core content definitions

godot/scripts/debug/ContentBrowserController.cs

@@ -0,0 +1,80 @@
+#nullable enable
+
+using System;
+using System.Linq;
+using System.Text;
+using Godot;
+using SideScrollerGame.Content;
+using SideScrollerGame.Content.Samples;
+using SideScrollerGame.Content.Validation;
+
+namespace SideScrollerGame.Debug;
+
+public partial class ContentBrowserController : Control
+{
+    public override void _Ready()
+    {
+        ContentRegistry registry = SampleContent.CreateRegistry();
+        ContentValidationResult validation = new ContentValidator().Validate(registry);
+        string report = BuildReport(registry, validation);
+        SetText(report);
+
+        if (!ShouldValidateAndQuit())
+        {
+            return;
+        }
+
+        GD.Print(report);
+        GD.Print(validation.HasErrors ? "Content validation failed" : "Content validation succeeded");
+        GetTree().Quit(validation.HasErrors ? 1 : 0);
+    }
+
+    private static string BuildReport(ContentRegistry registry, ContentValidationResult validation)
+    {
+        StringBuilder builder = new();
+        builder.AppendLine("Loaded content definitions:");
+        foreach (string id in registry.AllDefinitionIds())
+        {
+            builder.AppendLine(id);
+        }
+
+        if (validation.Messages.Count > 0)
+        {
+            builder.AppendLine();
+            builder.AppendLine("Validation messages:");
+            foreach (ContentValidationMessage message in validation.Messages)
+            {
+                builder.AppendLine($"{message.Severity}: {message.Code}: {message.Message}");
+            }
+        }
+
+        return builder.ToString().TrimEnd();
+    }
+
+    private static bool ShouldValidateAndQuit()
+    {
+        return IsHeadless() && OS.GetCmdlineUserArgs().Any(argument => argument.Equals(ValidateOnlyArgument, StringComparison.OrdinalIgnoreCase));
+    }
+
+    private static bool IsHeadless()
+    {
+        return DisplayServer.GetName().Equals("headless", StringComparison.OrdinalIgnoreCase);
+    }
+
+    private void SetText(string report)
+    {
+        Label? title = GetNodeOrNull<Label>("Title");
+        if (title is not null)
+        {
+            title.Text = "Content Browser";
+        }
+
+        Label? content = GetNodeOrNull<Label>("Scroll/Content");
+        if (content is not null)
+        {
+            content.Text = report;
+        }
+    }
+
+    private const string ValidateOnlyArgument = "--content-validate-only";
+}