更新

Assets/OtherPlugins/GraphicsCat/Modules/Common/AutoLoad/AutoLoadAttribute.cs

@@ -0,0 +1,24 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace GraphicsCat
+{
+    // Allow this attribute to be used on fields only
+    [System.AttributeUsage(System.AttributeTargets.Field)]
+    public class AutoLoadAttribute : PropertyAttribute
+    {
+        // Store the asset GUID for reliable loading
+        public string assetGUID;
+
+        // Add a constructor that allows a path to be passed in for initial setup.
+        // The drawer will convert this path to a GUID.
+        public AutoLoadAttribute(string path)
+        {
+#if UNITY_EDITOR
+            this.assetGUID = AssetDatabase.AssetPathToGUID(path);
+#endif
+        }
+    }
+}
+
+

Assets/OtherPlugins/GraphicsCat/Modules/Common/AutoLoad/AutoLoadAttribute.cs.meta

@@ -0,0 +1,18 @@
+fileFormatVersion: 2
+guid: 91ff3b2732c536048991e97899a4613a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 328765
+  packageName: LitPlus - URP Enhanced Lit Shader
+  packageVersion: 1.0.1
+  assetPath: Assets/GraphicsCat/Modules/Common/AutoLoad/AutoLoadAttribute.cs
+  uploadId: 820558

Assets/OtherPlugins/GraphicsCat/Modules/Common/AutoLoad/AutoLoadDrawer.cs

@@ -0,0 +1,49 @@
+#if UNITY_EDITOR
+
+using UnityEditor;
+using UnityEngine;
+
+namespace GraphicsCat
+{
+    [CustomPropertyDrawer(typeof(AutoLoadAttribute))]
+    public class AutoLoadDrawer : PropertyDrawer
+    {
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {
+            AutoLoadAttribute autoLoad = attribute as AutoLoadAttribute;
+
+            EditorGUI.PropertyField(position, property, label);
+
+            if (property.objectReferenceValue == null)
+            {
+                if (!string.IsNullOrEmpty(autoLoad.assetGUID))
+                {
+                    string assetPath = AssetDatabase.GUIDToAssetPath(autoLoad.assetGUID);
+                    if (!string.IsNullOrEmpty(assetPath))
+                    {
+                        System.Type fieldType = fieldInfo.FieldType;
+                        Object loadedAsset = AssetDatabase.LoadAssetAtPath(assetPath, fieldType);
+                        if (loadedAsset != null)
+                        {
+                            property.objectReferenceValue = loadedAsset;
+                            Debug.Log($"Auto-loaded asset '{loadedAsset.name}' for field '{property.displayName}' using GUID.");
+                        }
+                        else
+                        {
+                            Debug.LogWarning($"AutoLoadDrawer: Failed to load asset with GUID '{autoLoad.assetGUID}'.");
+                        }
+                    }
+                }
+            }
+
+            if (property.objectReferenceValue != null)
+            {
+                string assetPath = AssetDatabase.GetAssetPath(property.objectReferenceValue);
+                string guid = AssetDatabase.AssetPathToGUID(assetPath);
+                autoLoad.assetGUID = guid;
+            }
+        }
+    }
+}
+
+#endif

Assets/OtherPlugins/GraphicsCat/Modules/Common/AutoLoad/AutoLoadDrawer.cs.meta

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+guid: a73153d0825f8f04b991a1086b09ce43
+MonoImporter:
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+  userData: 
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+AssetOrigin:
+  serializedVersion: 1
+  productId: 328765
+  packageName: LitPlus - URP Enhanced Lit Shader
+  packageVersion: 1.0.1
+  assetPath: Assets/GraphicsCat/Modules/Common/AutoLoad/AutoLoadDrawer.cs
+  uploadId: 820558