public override void OnInspectorGUI()
{
serializedObject.Update();
DrawPropertiesExcluding(serializedObject, new string[] { layersListName });
layersList.DoLayoutList();
serializedObject.ApplyModifiedProperties();
LayerCompositor layerCompositor = (LayerCompositor)target;
// protect against empty Layers set, and hide the buttons when not needed
if ((layerCompositor.Layers != null) && (layerCompositor.Layers.Length > 0))
{
if (LayerCompositorHasDuplicates(layerCompositor))
{
EditorGUILayout.HelpBox("Duplicate scenes are listed in the layers.", MessageType.Warning);
}
if (LayerCompositorContainsParentScene(layerCompositor))
{
EditorGUILayout.HelpBox("The scene of this gameobject is listed as a layer.", MessageType.Warning);
}
if (GUILayout.Button("Load/unload selected layer"))
{
if (layersList.index != -1)
{
LayerCompositor.Layer selectedLayer = layerCompositor.Layers[layersList.index];
if (LayerCompositor.IsLayerLoaded(selectedLayer))
{
layerCompositor.UnloadLayer(selectedLayer.id);
}
else
{
layerCompositor.LoadLayer(selectedLayer.id);
}
}
}
if (GUILayout.Button("Refresh"))
{
LayerCompositor.RefreshLayers(null, layerCompositor.Layers, true, layerCompositor.gameObject.scene);
}
}
}
private void OnEnable()
{
LayerCompositor layerCompositor = (LayerCompositor)target;
layersList = new ReorderableList(serializedObject, serializedObject.FindProperty(layersListName), true, true, true, true);
layersList.drawHeaderCallback = (Rect rect) =>
{
BuildRowOfColumns(rect, true);
EditorGUI.LabelField(rect, new GUIContent("Layer index and Identifier", "Layer data. The Id is used at runtime to selectively Load/Unload a layer. Autoload specifies if the layer autoloads at runtime. Active constrols if the layer root objects are active after loading. Finally, provide a reference to a Unity scene."));
EditorGUI.LabelField(rect3, new GUIContent("Autoload"));
EditorGUI.LabelField(rect4, new GUIContent("Active"));
EditorGUI.LabelField(rect5, new GUIContent("Scene"));
};
layersList.drawElementBackgroundCallback = (Rect rect, int index, bool isActive, bool isFocused) =>
{
if ((layerCompositor.Layers == null) || (layerCompositor.Layers.Length == 0))
{
return;
}
Texture2D bgTex = new Texture2D(1, 1);
Color bgCol;
LayerCompositor.Layer selectedLayer = layerCompositor.Layers[index];
bgCol = (LayerCompositor.IsLayerLoaded(selectedLayer) ? greenTint : redTint);
if (isActive)
{
bgCol += highlightTint;
}
bgTex.SetPixel(0, 0, bgCol);
bgTex.Apply();
GUI.DrawTexture(rect, bgTex as Texture);
};
layersList.drawElementCallback = (Rect rect, int index, bool isActive, bool isFocused) =>
{
EditorGUI.BeginChangeCheck();
SerializedProperty element = layersList.serializedProperty.GetArrayElementAtIndex(index);
{
BuildRowOfColumns(rect, false);
GUIContent layerIdx = new GUIContent(index.ToString(), "A layer ID.");
EditorGUI.LabelField(rect1, layerIdx);
EditorGUI.PropertyField(rect2, element.FindPropertyRelative(nameof(LayerCompositor.Layer.id)), GUIContent.none);
EditorGUI.PropertyField(rect3, element.FindPropertyRelative(nameof(LayerCompositor.Layer.autoload)), GUIContent.none);
EditorGUI.PropertyField(rect4, element.FindPropertyRelative(nameof(LayerCompositor.Layer.loadactive)), GUIContent.none);
EditorGUI.PropertyField(rect5, element.FindPropertyRelative(nameof(LayerCompositor.Layer.scene)), GUIContent.none);
}
if (EditorGUI.EndChangeCheck())
{
LayerCompositor.Layer[] previousLayers = layerCompositor.Layers.Clone() as LayerCompositor.Layer[];
serializedObject.ApplyModifiedProperties();
LayerCompositor.RefreshLayers(previousLayers, layerCompositor.Layers, true, layerCompositor.gameObject.scene);
}
};
layersList.onAddCallback = (ReorderableList list) =>
{
ReorderableList.defaultBehaviours.DoAddButton(list);
list.serializedProperty.serializedObject.ApplyModifiedProperties();
LayerCompositor.Layer newLayer = layerCompositor.Layers[layerCompositor.Layers.Length - 1];
newLayer.id = "NoID";
newLayer.autoload = true;
newLayer.loadactive = true;
};
layersList.onRemoveCallback = (ReorderableList list) =>
{
LayerCompositor.Layer[] previousLayers = layerCompositor.Layers.Clone() as LayerCompositor.Layer[];
ReorderableList.defaultBehaviours.DoRemoveButton(list);
list.serializedProperty.serializedObject.ApplyModifiedProperties();
LayerCompositor.RefreshLayers(previousLayers, layerCompositor.Layers, true, layerCompositor.gameObject.scene);
Repaint(); // removes Refresh when no layers remain
};
}