refactor: redesign project structure

Package/embedded/GlobalClasses/Nodes/Buttons/PoloniumTextureButton.cs

@@ -0,0 +1,41 @@
+#pragma warning disable IDE0130
+using Godot;
+using Polonium.Attributes;
+using Polonium.DataStructures;
+using System.Collections.Generic;
+// ReSharper disable once CheckNamespace
+namespace GlobalClasses;
+[GlobalClass]
+[Tool]
+[ProxyNode]
+public partial class PoloniumTextureButton : TextureButton
+{
+    [ProxyProperty]
+    public virtual TextureSet TextureSet => null;
+
+    [Export] 
+    public GlobalRegistry.TextureSetName TextureSetName { get; set; }
+
+    public sealed override void _Ready()
+    {
+        TextureSet t = TextureSet;
+        if (t is null)
+            t = GlobalRegistry.TextureSetMap.GetValueOrDefault(TextureSetName, null);
+        if (t is not null)
+        {
+            TextureNormal = t.Normal;
+            TextureHover = t.Hover;
+            TexturePressed = t.Pressed;
+            TextureDisabled = t.Disabled;
+            TextureFocused = t.Focused;
+        }
+
+        __Ready();
+        base._Ready();
+    }
+    [ProxyMethod]
+    public virtual void __Ready()
+    {
+    }
+}
+#pragma warning restore IDE0130