public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
SceneAttribute sceneAttribute = (SceneAttribute)attribute;
if (property.propertyType == SerializedPropertyType.String)
{
var sceneObject = GetSceneObject(property.stringValue, sceneAttribute);
var scene = EditorGUI.ObjectField(position, label, sceneObject, typeof(SceneAsset), true);
if (scene == null)
{
property.stringValue = "";
}
else if (scene.name != property.stringValue)
{
var sceneObj = GetSceneObject(scene.name, sceneAttribute);
if (sceneObj == null)
{
Debug.LogWarningFormat("The scene {0} cannot be used. To use this scene add it to the build settings for the project", scene.name);
}
else
{
property.stringValue = scene.name;
}
}
}
else
{
EditorGUI.LabelField(position, label.text, "[Scene] attribute can only be used with strings");
}
}
private void Initialize(string initialValue)
{
if (_attribute != null)
{
return;
}
_attribute = (SceneAttribute)attribute;
_scenesInBuild = new string[EditorBuildSettings.scenes.Length + 1];
_index = 0;
for (var i = 0; i < EditorBuildSettings.scenes.Length; i++)
{
var formatted = EditorBuildSettings.scenes[i].path.Split('/').Last().Replace(".unity", string.Empty);
if (initialValue == formatted)
{
_index = i + 1;
}
formatted += $" [{i}]";
_scenesInBuild[i + 1] = formatted;
}
var defaultValue = "NULL";
if (initialValue.NotNullOrEmpty() && _index == 0)
{
defaultValue = "NOT FOUND: " + initialValue;
}
_scenesInBuild[0] = defaultValue;
}
protected SceneAsset GetSceneObject(string sceneObjectName, SceneAttribute sceneAttribute)
{
if (string.IsNullOrEmpty(sceneObjectName))
{
return(null);
}
foreach (var editorScene in EditorBuildSettings.scenes)
{
if (editorScene.path.IndexOf(sceneObjectName) != -1)
{
if (Array.IndexOf(sceneAttribute.invalidScenes, sceneObjectName) != -1)
{
Debug.LogWarningFormat("The scene {0} may not be used.", sceneObjectName);
return(null);
}
return(AssetDatabase.LoadAssetAtPath(editorScene.path, typeof(SceneAsset)) as SceneAsset);
}
}
Debug.LogWarningFormat("The scene {0} cannot be used. To use this scene add it to the build settings for the project", sceneObjectName);
return(null);
}
