Initial upload

Editor/MaterialUIScope.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEditor.Rendering;
+using UnityEngine;
+
+namespace Misaki.ShaderGUI
+{
+    public abstract class MaterialUIScope<TExpandableBit> : IMaterialUIScope where TExpandableBit : Enum, IConvertible
+    {
+        protected MaterialEditor editor;
+        protected IEnumerable<MaterialProperty> materialProperties;
+        protected IMaterialUIScopeContainer owner;
+
+        protected virtual bool ShowSection => true;
+        protected virtual bool IsSubHeader => false;
+        protected virtual bool SpaceAtEnd => true;
+        protected virtual string DocumentationURL => string.Empty;
+
+        protected abstract TExpandableBit ExpandableBit
+        {
+            get;
+        }
+
+        protected abstract GUIContent Header
+        {
+            get;
+        }
+
+        public MaterialEditor Editor => editor;
+
+        public abstract void LoadMaterialProperties();
+
+        protected abstract void DrawContent();
+
+        public void Initialize(MaterialEditor materialEditor, IEnumerable<MaterialProperty> properties, IMaterialUIScopeContainer container)
+        {
+            editor = materialEditor;
+            materialProperties = properties;
+            owner = container;
+
+            UpdateMaterialProperties(properties);
+        }
+
+        public MaterialProperty FindProperty(string propertyName)
+        {
+            if (materialProperties == null)
+            {
+                throw new Exception("Material properties are not initialized.");
+            }
+
+            if (string.IsNullOrEmpty(propertyName))
+            {
+                throw new ArgumentException("Property name cannot be null or empty.", nameof(propertyName));
+            }
+
+            return materialProperties.First(p => p.name == propertyName);
+        }
+
+        public void UpdateMaterialProperties(IEnumerable<MaterialProperty> properties)
+        {
+            materialProperties = properties;
+            LoadMaterialProperties();
+        }
+
+        public void Draw()
+        {
+            if (!ShowSection)
+            {
+                return;
+            }
+
+            using var scope = new MaterialHeaderScope(Header, Convert.ToUInt32(ExpandableBit), editor, spaceAtEnd: SpaceAtEnd, subHeader: IsSubHeader, documentationURL: DocumentationURL);
+            if (scope.expanded)
+            {
+                DrawContent();
+            }
+        }
+    }
+}