public ObjectDuplicationAction(List <GameObject> sourceObjects)
{
if (sourceObjects != null && sourceObjects.Count != 0)
{
_sourceParents = GameObjectExtensions.GetParentsFromObjectCollection(sourceObjects);
}
}
public static List <ObjectSelectionBox> CalculateFromParentsToBottom(IEnumerable <GameObject> selectedObjects)
{
List <GameObject> parents = GameObjectExtensions.GetParentsFromObjectCollection(selectedObjects);
var objectSelectionBoxes = new List <ObjectSelectionBox>(20);
foreach (var parent in parents)
{
Box hierarchyModelSpaceBox = parent.GetHierarchyModelSpaceBox();
if (hierarchyModelSpaceBox.IsValid())
{
objectSelectionBoxes.Add(new ObjectSelectionBox(hierarchyModelSpaceBox, parent.transform.localToWorldMatrix));
}
}
return(objectSelectionBoxes);
}
/// <summary>
/// When the collection of controlled objects must be transformed by the gizmo, we will
/// only apply the transformation to those objects that don't have a parent which resides
/// inside the controlled object collection. If we don't do this, results are not very
/// pleasing because we would apply the same transformation twice to the children: once
/// by transforming the child itself, and a second time, by transforming its parent. This
/// function returns a list with all the top parents (objects that don't have a parent
/// inside the controlled object collection) that reside in the controlled object collection.
/// </summary>
/// <remarks>
/// If the controlled objects collection hasn't been setup properly, the method will return
/// an empty list of objects.
/// </remarks>
protected List <GameObject> GetParentsFromControlledObjects(bool filterOnlyCanBeManipulated)
{
// When the controlled game object collection hasn't been setup properly, return an empty list
if (ControlledObjects == null)
{
return(new List <GameObject>());
}
if (!filterOnlyCanBeManipulated)
{
return(GameObjectExtensions.GetParentsFromObjectCollection(ControlledObjects));
}
else
{
List <GameObject> objectsWhichCanBeManipulated = GetControlledObjectsWhichCanBeManipulated();
return(GameObjectExtensions.GetParentsFromObjectCollection(objectsWhichCanBeManipulated));
}
}
/// <summary>
/// Calculates and returns the object selection boxes for the specified object selection.
/// </summary>
/// <remarks>
/// The method returns only those selection boxes whose model space box is set to
/// a valid 'Bounds' instance.
/// </remarks>
public override List <ObjectSelectionBox> CalculateForObjectSelection(HashSet <GameObject> selectedObjects)
{
var objectSelectionBoxes = new List <ObjectSelectionBox>(selectedObjects.Count);
// We will need to calculate the selection boxes for the hierarchies to which the objects belong,
// so we will first retrieve all root objects.
var objectRoots = GameObjectExtensions.GetRootObjectsFromObjectCollection(selectedObjects);
// Loop through all root objects
foreach (GameObject rootObject in objectRoots)
{
// Retrieve the hierarchy's model space AABB and if it is valid, create a new
// object selection box and add it to the output list.
Box hierarchyModelSpaceBox = rootObject.GetHierarchyModelSpaceBox();
if (hierarchyModelSpaceBox.IsValid())
{
objectSelectionBoxes.Add(new ObjectSelectionBox(hierarchyModelSpaceBox, rootObject.transform.localToWorldMatrix));
}
}
return(objectSelectionBoxes);
}
/// <summary>
/// Handles the game objects entered selection shape event. The method returns true if the
/// object selection has changed after the event was handled and false otherwise.
/// </summary>
public override bool Handle(List <GameObject> gameObjects)
{
EditorObjectSelection editorObjectSelection = EditorObjectSelection.Instance;
// We will need to select the entire hierarchy of all objects which were
// passed as parameter. We will start by identifying the roots/top parents
// of all those objects and store them in a hash set to easily avoid duplicates.
var objectRoots = GameObjectExtensions.GetRootObjectsFromObjectCollection(gameObjects);
// Now, we need to construct the final object list which will be used to perform the
// necessary actions (i.e. select or deselect). We do this by adding the hierarchies
// of all root objects that we identified earlier to the same object list.
var finalObjectsList = new List <GameObject>();
foreach (GameObject rootObject in objectRoots)
{
finalObjectsList.AddRange(rootObject.GetAllChildrenIncludingSelf());
}
// If multi-object deselection is enabled, we will deselect the game objects which were intersetced by the selection shape
if (editorObjectSelection.MultiDeselect)
{
return(editorObjectSelection.DeselectGameObjectCollection(finalObjectsList));
}
else
// If append is enabled, we will append the objects to the selection
if (editorObjectSelection.AppendOrDeselectOnClick)
{
return(editorObjectSelection.SelectGameObjectCollection(finalObjectsList));
}
// If non of the above, we will clear the selection and make sure that only the specified collection of objects is selected
else
{
return(editorObjectSelection.ClearAndSelectGameObjectCollection(finalObjectsList));
}
}
