private void DrawLayerSelection()
{
var numLayers = animationPlayer.layers.Length;
selectedLayer.SetTo(Mathf.Clamp(selectedLayer, 0, numLayers));
var twoLines = Screen.width < 420f;
EditorGUILayout.BeginHorizontal();
{
GUILayout.FlexibleSpace();
selectedLayer.SetTo(EditorUtilities.DrawLeftButton(selectedLayer));
EditorGUILayout.LabelField("Selected layer: " + selectedLayer, GUILayout.Width(selectedLayerWidth));
selectedLayer.SetTo(EditorUtilities.DrawRightButton(selectedLayer, numLayers));
if (twoLines)
{
GUILayout.FlexibleSpace();
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
}
else
{
GUILayout.Space(10f);
}
if (GUILayout.Button("Add layer", GUILayout.Width(100f)))
{
EditorUtilities.RecordUndo(animationPlayer, "Add layer to animation player");
EditorUtilities.ExpandArrayByOne(ref animationPlayer.layers, AnimationLayer.CreateLayer);
selectedLayer.SetTo(animationPlayer.layers.Length - 1);
MarkDirty();
}
EditorGUI.BeginDisabledGroup(numLayers < 2);
{
if (EditorUtilities.AreYouSureButton("Delete layer", "Are you sure?", "DeleteLayer" + selectedLayer, 1f, GUILayout.Width(100f)))
{
EditorUtilities.RecordUndo(animationPlayer, "Delete layer from animation player");
EditorUtilities.DeleteIndexFromArray(ref animationPlayer.layers, selectedLayer);
selectedLayer.SetTo(Mathf.Max(0, selectedLayer - 1));
MarkDirty();
}
}
EditorGUI.EndDisabledGroup();
GUILayout.FlexibleSpace();
}
EditorGUILayout.EndHorizontal();
}