Manage all Assets with ContentManager

GlitchyEngine/src/Content/Asset.bf

@@ -22,7 +22,7 @@ abstract class Asset : RefCounter
 	public StringView Identifier
 	{
 		get => _identifier;
-		internal set => _identifier.Set(value);
+		set => _identifier.Set(value);
 	}
 
 	/// If true the asset is completely loaded. If false it is only partially loaded (if at all).
@@ -40,6 +40,11 @@ abstract class Asset : RefCounter
 			    ((.)new => AssetSerialize, new => AssetDeserialize));
 	}
 
+	protected this()
+	{
+		Content.ManageAsset(this);
+	}
+
 	protected ~this()
 	{
 		// TODO: crash when _contentManager is deleted first...