Added check for attributes

Author: Cibbi

Editor/Editors/Drawers/PropertyAttributeDrawer.cs

@@ -0,0 +1,55 @@
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace VRLabs.ModularShaderSystem.UI
+{
+    public class PropertyAttributeAttribute : PropertyAttribute 
+    {
+    }
+    /// <summary>
+    /// Inspector drawer for <see cref="Variable"/>.
+    /// </summary>
+    [CustomPropertyDrawer(typeof(PropertyAttributeAttribute))]
+    public class PropertyAttributeDrawer : PropertyDrawer
+    {
+        public override VisualElement CreatePropertyGUI(SerializedProperty property)
+        {
+            var root = new VisualElement();
+
+            var value = new TextField();
+            value.SetValueWithoutNotify(property.stringValue);
+            root.Add(value);
+
+            /*value.RegisterValueChangedCallback(evt =>
+            {
+                property.stringValue = evt.newValue;
+                property.serializedObject.ApplyModifiedProperties();
+            });*/
+            value.RegisterCallback<FocusOutEvent>(evt =>
+            {
+                string v = value.value;
+                if (v[v.Length - 1] == ']')
+                {
+                    v = v.Remove(v.Length - 1, 1);
+                }
+                if (v[0] == '[')
+                {
+                    v = v.Remove(0, 1);
+                }
+                property.stringValue = v;
+                value.SetValueWithoutNotify(property.stringValue);
+                property.serializedObject.ApplyModifiedProperties();
+            });
+
+            /*customTypeField.style.display = ((VariableType)typeField.value) == VariableType.Custom ? DisplayStyle.Flex : DisplayStyle.None;
+            
+            typeField.RegisterValueChangedCallback(e =>
+            {
+                customTypeField.style.display = ((VariableType)e.newValue) == VariableType.Custom ? DisplayStyle.Flex : DisplayStyle.None;
+            });*/
+
+            return root;
+        }
+    }
+}

Editor/Editors/Drawers/PropertyAttributeDrawer.cs.meta

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using UnityEngine;
+using VRLabs.ModularShaderSystem.UI;
 
 namespace VRLabs.ModularShaderSystem
 {
@@ -55,6 +56,7 @@ public class Property : IEquatable<Property>
         /// <summary>
         /// List of attributes for the shader property.
         /// </summary>
+        [PropertyAttribute]
         public List<string> Attributes;
 
         /// <summary>