/// <summary>
/// Updates <see cref="ItemData.EditorLayerName"/>, while managing Undo.
/// </summary>
/// <param name="item">Tree layer element to update</param>
/// <param name="layerName">New layer name</param>
private static void ApplyLayerNameToItem(ILayerableItemBehavior item, string layerName)
{
if (item.EditorLayerName != layerName)
{
if (item is MonoBehaviour behaviour)
{
Undo.RecordObject(behaviour, $"Item {behaviour.name}: Change layer name from {item.EditorLayerName} to {layerName}");
}
item.EditorLayerName = layerName;
}
}
private void AddToLayer(ILayerableItemBehavior item)
{
if (item == null)
{
return;
}
if (item.EditorLayerName == string.Empty)
{
item.EditorLayerName = $"Layer_{item.EditorLayer + 1}";
}
if (!_layers.ContainsKey(item.EditorLayerName))
{
_layers.Add(item.EditorLayerName, new List <MonoBehaviour>());
}
_layers[item.EditorLayerName].Add((MonoBehaviour)item);
}
/// <summary>
/// Construct as <see cref="LayerTreeViewElementType.Item"/>.
/// </summary>
/// <param name="item">Game item behavior</param>
public LayerTreeElement(ILayerableItemBehavior item)
{
Item = item;
IsVisible = Item.EditorLayerVisibility;
}