SceneAsset

説明

SceneAsset is used to reference Scene objects in the Editor.

This can be used as the type for ObjectField UI elements, to allow the user to pick a Scene object as the value of the field.

This example shows how to pick a Scene in the editor. The ScenePicker component is placed on a game object in the Scene:

using UnityEngine;

public class ScenePicker : MonoBehaviour
{
    [SerializeField]
    public string scenePath;
}

The ScenePickerEditor script must be in the Editor directory of the project. It provides the custom inspector in the editor that uses the SceneAsset class in an ObjectField to allow the user to pick a Scene.

using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(ScenePicker), true)]
public class ScenePickerEditor : Editor
{
    public override void OnInspectorGUI()
    {
        var picker = target as ScenePicker;
        var oldScene = AssetDatabase.LoadAssetAtPath<SceneAsset>(picker.scenePath);

        serializedObject.Update();

        EditorGUI.BeginChangeCheck();
        var newScene = EditorGUILayout.ObjectField("scene", oldScene, typeof(SceneAsset), false) as SceneAsset;

        if (EditorGUI.EndChangeCheck())
        {
            var newPath = AssetDatabase.GetAssetPath(newScene);
            var scenePathProperty = serializedObject.FindProperty("scenePath");
            scenePathProperty.stringValue = newPath;
        }
        serializedObject.ApplyModifiedProperties();
    }
}

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