feature: first

CringePlugins/Render/RenderHandler.cs

@@ -0,0 +1,48 @@
+using System.Collections.Concurrent;
+using CringePlugins.Abstractions;
+using NLog;
+
+namespace CringePlugins.Render;
+
+public sealed class RenderHandler : IRootRenderComponent
+{
+    private static readonly Logger Log = LogManager.GetCurrentClassLogger();
+    
+    private static RenderHandler? _current;
+    public static RenderHandler Current => _current ?? throw new InvalidOperationException("Render is not yet initialized");
+    
+    private readonly ConcurrentBag<ComponentRegistration> _components = [];
+
+    internal RenderHandler()
+    {
+        _current = this;
+    }
+
+    public void RegisterComponent<TComponent>(TComponent instance) where TComponent : IRenderComponent
+    {
+        _components.Add(new ComponentRegistration(typeof(TComponent), instance));
+    }
+
+    void IRenderComponent.OnFrame()
+    {
+        foreach (var (instanceType, renderComponent) in _components)
+        {
+            try
+            {
+                renderComponent.OnFrame();
+            }
+            catch (Exception e)
+            {
+                Log.Error(e, "Component {TypeName} failed to render a new frame", instanceType);
+            }
+        }
+    }
+
+    private record ComponentRegistration(Type InstanceType, IRenderComponent Instance);
+
+    public void Dispose()
+    {
+        _current = null;
+        _components.Clear();
+    }
+}