AssetImporterEditor

Definition

• Type: Class
• Namespace: UnityEditor.AssetImporters
• Assembly: UnityEditor
• Inherits from: Editor

public abstract class AssetImporterEditor : Editor

Remarks

using System.IO;using UnityEditor;using UnityEditor.AssetImporters;using UnityEngine;[CustomEditor(typeof(TransformImporter))][CanEditMultipleObjects]public class TransformImporterEditor : ScriptedImporterEditor{    // Stored SerializedProperty to draw in OnInspectorGUI.    SerializedProperty m_GenerateChild;    public override void OnEnable()    {        base.OnEnable();        // Once in OnEnable, retrieve the serializedObject property and store it.        m_GenerateChild = serializedObject.FindProperty("generateChild");    }    public override void OnInspectorGUI()    {        // Update the serializedObject in case it has been changed outside the Inspector.        serializedObject.Update();        // Draw the boolean property.        EditorGUILayout.PropertyField(m_GenerateChild);        // Apply the changes so Undo/Redo is working        serializedObject.ApplyModifiedProperties();        // Call ApplyRevertGUI to show Apply and Revert buttons.        ApplyRevertGUI();    }}[ScriptedImporter(0, ".transform")]public class TransformImporter : ScriptedImporter{    public bool generateChild;    public override void OnImportAsset(AssetImportContext ctx)    {        GameObject root = ObjectFactory.CreateGameObject(Path.GetFileNameWithoutExtension(ctx.assetPath));        if (generateChild)        {            GameObject child = ObjectFactory.CreateGameObject("child");            child.transform.SetParent(root.transform);        }        ctx.AddObjectToAsset("main", root);        ctx.SetMainObject(root);    }}

using System.IO;using UnityEditor;using UnityEditor.AssetImporters;using UnityEngine;[CustomEditor(typeof(EmptinessImporter))][CanEditMultipleObjects]public class EmptinessImporterEditor : ScriptedImporterEditor{    //Let the parent class know that the Apply/Revert mechanism is skipped.    protected override bool needsApplyRevert => false;    public override void OnInspectorGUI()    {        // Draw some information        EditorGUILayout.HelpBox("Because this Importer doesn't have any settings, the Apply/Revert buttons are hidden.", MessageType.None);    }}[ScriptedImporter(0, ".emptiness")]public class EmptinessImporter : ScriptedImporter{    public override void OnImportAsset(AssetImportContext ctx)    {        GameObject root = ObjectFactory.CreateGameObject(Path.GetFileNameWithoutExtension(ctx.assetPath));        ctx.AddObjectToAsset("main", root);        ctx.SetMainObject(root);    }}

using System;using System.IO;using UnityEditor;using UnityEditor.AssetImporters;using UnityEngine;using Object = UnityEngine.Object;[CustomEditor(typeof(BooleanImporter))][CanEditMultipleObjects]public class BooleanImporterEditor : ScriptedImporterEditor{    // Property to show in the custom OnInspectorGUI.    SerializedProperty m_BooleanProperty;    // override extraDataType to return the type that will be used in the Editor.    protected override Type extraDataType => typeof(BooleanClass);    // override InitializeExtraDataInstance to set up the data.    protected override void InitializeExtraDataInstance(Object extraTarget, int targetIndex)    {        var boolean = (BooleanClass)extraTarget;        // Read the boolean value from the text file and fill the extraTarget object with the data.        string fileContent = File.ReadAllText(((AssetImporter)targets[targetIndex]).assetPath);        if (!bool.TryParse(fileContent, out boolean.boolean))        {            boolean.boolean = false;        }    }    protected override void Apply()    {        base.Apply();        // After the Importer is applied, rewrite the file with the custom value.        for (int i = 0; i < targets.Length; i++)        {            string path = ((AssetImporter)targets[i]).assetPath;            File.WriteAllText(path, ((BooleanClass)extraDataTargets[i]).boolean.ToString());        }    }    public override void OnEnable()    {        base.OnEnable();        // In OnEnable, retrieve the importerUserSerializedObject property and store it.        m_BooleanProperty = extraDataSerializedObject.FindProperty("boolean");    }    public override void OnInspectorGUI()    {        // Note: you don't need to call serializedObject.Update or serializedObject.ApplyModifiedProperties        // because you are not changing the target (serializedObject) itself.        // Update the importerUserSerializedObject in case it has been changed outside the Inspector.        extraDataSerializedObject.Update();        // Draw the boolean property.        EditorGUILayout.PropertyField(m_BooleanProperty);        // Apply the changes so Undo/Redo is working.        extraDataSerializedObject.ApplyModifiedProperties();        // Call ApplyRevertGUI to show Apply and Revert buttons.        ApplyRevertGUI();    }}public class BooleanClass : ScriptableObject{    public bool boolean;}[ScriptedImporter(0, ".boolean")]public class BooleanImporter : ScriptedImporter{    public override void OnImportAsset(AssetImportContext ctx)    {        string fileContent = File.ReadAllText(ctx.assetPath);        var booleanObj = ObjectFactory.CreateInstance<BooleanClass>();        if (!bool.TryParse(fileContent, out booleanObj.boolean))        {            booleanObj.boolean = false;        }        ctx.AddObjectToAsset("main", booleanObj);        ctx.SetMainObject(booleanObj);        Debug.Log("Imported Boolean value: " + booleanObj.boolean);    }}

using UnityEditor;using UnityEditor.AssetImporters;[CustomEditor(typeof(SomeScriptedImporter))][CanEditMultipleObjects]public class SomeImporterEditor : ScriptedImporterEditor{    // ...    public override void OnInspectorGUI()    {        serializedObject.Update();        extraDataSerializedObject.Update();        // Use propertyDrawers and custom GUI for any property from both serializedObject and extraDataSerializedObject.        extraDataSerializedObject.ApplyModifiedProperties();        serializedObject.ApplyModifiedProperties();        ApplyRevertGUI();    }}[ScriptedImporter(0, ".someFile")]public class SomeScriptedImporter : ScriptedImporter{    public override void OnImportAsset(AssetImportContext ctx)    {        // ...    }}

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