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unityEditor 简单数据交互

• 1:EditorPrefs,轻易不要使用,出问题不负责,类似于PlayerPrefs,键值对存储 F12 查API就行了,项目中一般用不到
• 2:EditorUserSettings.Set/GetConfigValue方法,键值对存储,二进制数据
• 3:JsonUtility & EditorJsonUtility 一般不用使用其他第三方库替代,例如Litjson newjsonxxx(最新的那个库,忘了)

  unityEditor ScriptableObject常用数据资产

• 1:ScriptableObject,作为编辑器,文件,数据,运行时的数据库使用,范围大,常用方式,在Project的Assets文件夹以下都可以。如果是编辑器扩展专用的ScriptableObject，最好制作在Editor文件夹以下。

    using UnityEngine;
    using UnityEditor;
    public class NewBehaviourScript : ScriptableObject
    {
        [Range(0,10)]
        public int number = 3;

        public bool toggle = false;

        public string[] texts = new string[5];
    }

• 2: EditorWindow 继承自 ScriptableObject
  制作继承自ScriptableObject的一个例子资源,保存在一个路径下面,
  CreateAssetMenu可以在Project里面右键快速创建

    using UnityEngine;
    using UnityEditor;

    [CreateAssetMenu(menuName = "Tools/Create ExampleAsset Instance")]
    public class ExampleAsset : ScriptableObject
    {

        [MenuItem("Tools/Create ExampleAsset")]
        static void CreateExampleAsset()
        {
            var exampleAsset = CreateInstance<ExampleAsset>();

            AssetDatabase.CreateAsset(exampleAsset, "Assets/Editor/ExampleAsset.asset");
            AssetDatabase.Refresh();
        }
    }

使用以下方法读取数据:

 var exampleAsset =AssetDatabase.LoadAssetAtPath<ExampleAsset>("Assets/Editor/ExampleAsset.asset");

如何展现属性值并且可以修改:直接类似于MonoBehaviour一样写上 [SerializeField] 标签即可

• 3: 如何表现ScriptableObject的父子关系

    using UnityEngine;

    public class ParentScriptableObject : ScriptableObject
    {
        [SerializeField]
        ChildScriptableObject child;
    }

    public class ChildScriptableObject : ScriptableObject
    {
        [SerializeField]
        string str;

        public ChildScriptableObject ()
        {
            name = "New ChildScriptableObject";
        }
    }

保存成一个asset数据:
    using UnityEngine;
    using UnityEditor;

    public class ParentScriptableObject : ScriptableObject
    {
        const string PATH = "Assets/Editor/New ParentScriptableObject.asset";
        [SerializeField]
        ChildScriptableObject child;

        [MenuItem ("Assets/Create ScriptableObject")]
        static void CreateScriptableObject ()
        {
            var parent = ScriptableObject.CreateInstance<ParentScriptableObject> ();
            parent.child = ScriptableObject.CreateInstance<ChildScriptableObject> ();
            //这个地方如果直接使用的话再次重启unity,就会丢失子类数据,需要先将子类数据保存成一个asset,
            //再将父类的属性child指向子类保存的asset.这样重启unity就不会丢失数据了,
            //这样是可以使用,但是比较麻烦
            //使用AddObjectToAsset可以生成资产父子关系
            AssetDatabase.AddObjectToAsset (parent.child, PATH);
            //使子资产不可见,再外部
            parent.child.hideFlags = HideFlags.HideInHierarchy;
            AssetDatabase.CreateAsset (parent, PATH);
            AssetDatabase.ImportAsset(PATH);
        }
    }

    static void SetHideFlags ()
    {
        var path = AssetDatabase.GetAssetPath (Selection.activeObject);
        //显示子资产
        foreach (var item in AssetDatabase.LoadAllAssetsAtPath(path)) {
            item.hideFlags = HideFlags.None;
        }
        AssetDatabase.ImportAsset (path);
    }

    var parent = AssetDatabase.LoadAssetAtPath<ParentScriptableObject> (PATH);
    //删除子资产
    Object.DestroyImmediate (parent.child, true);
    parent.child = null;
    AssetDatabase.ImportAsset (PATH);

• 4:在Inspector面板上面展示数组

   SerializedProperty property = serializedObject.FindProperty("nodePoints");
   EditorGUI.BeginChangeCheck();
   EditorGUILayout.PropertyField(property, new GUIContent("位置节点"), true);
   if (EditorGUI.EndChangeCheck())
   {
       serializedObject.ApplyModifiedProperties();
   }

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