/// <summary>
/// Moves the the specified layer down the layer hierarchy.
/// </summary>
/// <param name="map">The reference to a <see cref="GridMap"/> type.</param>
/// <param name="index">
/// The index of the layer that will be deleted.
/// </param>
/// <param name="visible">The prefabs for the layer will have there active states set.</param>
/// <param name="callback">A callback with one parameter containing the items whose visibility will be set.</param>
public static void SetLayerVisibility(this GridMap map, int index, bool visible, Action <GameObject[]> callback)
{
var items = map.GetLayerPrefabs(index);
if (callback != null)
{
callback(items.ToArray());
}
foreach (var item in items)
{
item.SetActive(visible);
}
map.Layers[index].Visible = visible;
}
/// <summary>
/// Deletes the the specified layer from a <see cref="GridMap"/> type.
/// </summary>
/// <param name="map">The reference to a <see cref="GridMap"/> type.</param>
/// <param name="index">
/// The index of the layer that will be deleted.
/// </param>
/// <remarks>This method does not record an undo operation.</remarks>
public static void DeleteLayer(this GridMap map, int index)
{
// find list of objects to delete
var items = map.GetLayerPrefabs(index);
while (items.Count > 0)
{
#if UNITY_EDITOR
Object.DestroyImmediate(items[0]);
#else
Object.Destroy(items[0]);
#endif
items.RemoveAt(0);
}
var list = new List <GridMapLayerModel>(map.Layers);
list.RemoveAt(index);
map.Layers = list.ToArray();
}
