【Unity3d】ScriptableObject的简单用法

 

ScriptableObject非常适合小数量的游戏数值。

使用ScriptableObject的时候需要注意，生成ScriptableObject数据文件需要自己写Editor代码实现。

大概的工作流程是：写一个ScriptableObject（继承ScriptableObject的类，相当于数据模板） → 使用自己写的Editor代码生成一个实现该模板的数据文件 → Inspector面板中编辑数据。

给出我的Editor代码：

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using UnityEngine; using System.IO; using System.Collections; using UnityEditor;   public class Scriptablity : MonoBehaviour {       public static T Create<T> ( string _path, string _name) where T : ScriptableObject {                   if ( new DirectoryInfo(_path).Exists == false ) {             Debug.LogError ( "can't create asset, path not found" );             return null;         }         if ( string.IsNullOrEmpty(_name) ) {             Debug.LogError ( "can't create asset, the name is empty" );             return null;         }         string assetPath = Path.Combine( _path, _name + ".asset" );                   T newT = ScriptableObject.CreateInstance<T>();         AssetDatabase.CreateAsset(newT, assetPath);         Selection.activeObject = newT;         return newT;     }           public static void  Create<T>() where T : ScriptableObject {                   string assetName = "New " + typeof(T).Name;         string assetPath = "Assets";         if(Selection.activeObject) {             assetPath = AssetDatabase.GetAssetPath(Selection.activeObject);             if (Path.GetExtension(assetPath) != "")             {                 assetPath = Path.GetDirectoryName(assetPath);             }         }                   bool doCreate = true;         string path = Path.Combine( assetPath, assetName + ".asset" );         FileInfo fileInfo = new FileInfo(path);         if ( fileInfo.Exists ) {             doCreate = EditorUtility.DisplayDialog( assetName + " already exists.",                                                     "Do you want to overwrite the old one?",                                                     "Yes", "No" );         }         if ( doCreate ) {             T T_info = Create<T> ( assetPath, assetName );             Selection.activeObject = T_info;         }     }           public static void Create() {                   Debug.LogError("You should call 'Create' method like this : Create<ExampleData>();");     } }

使用方法：

1.写个ScriptableObject。

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public class Example : ScriptableObject {         public int id;         public string name; }

 

2.写个MonoBehavior调用Create方法生成Example格式的数据。

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public class ExampleItem: MonoBehaviour {           [MenuItem("Example/Create/Example Data")]         static void CreatExample() {                   Scriptablity.Create<Example>();         }           }

 

3.在Inspector面板编辑数据。

 

4.使用该数据

 

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public class ExampleUsage : MonoBehavior {        public Example exampleInfo;          void Start()        {                Debug.Log(exampleInfo.name);        }   }