public static DraggedReferenceItem CreateDraggedReferenceItem(Object reference, PointerEventData draggingPointer, UISkin skin = null)
{
DraggedReferenceItem referenceItem = (DraggedReferenceItem)Object.Instantiate(Resources.Load <DraggedReferenceItem>("RuntimeInspector/DraggedReferenceItem"), DraggedReferenceItemsCanvas.transform, false);
referenceItem.Initialize(DraggedReferenceItemsCanvas, reference, draggingPointer, skin);
return(referenceItem);
}
public static Object GetAssignableObjectFromDraggedReferenceItem(PointerEventData draggingPointer, Type assignableType)
{
if (draggingPointer.pointerDrag == null)
{
return(null);
}
DraggedReferenceItem draggedReference = draggingPointer.pointerDrag.GetComponent <DraggedReferenceItem>();
if (!draggedReference.IsNull() && !draggedReference.Reference.IsNull())
{
if (assignableType.IsAssignableFrom(draggedReference.Reference.GetType()))
{
return(draggedReference.Reference);
}
else if (typeof(Component).IsAssignableFrom(assignableType))
{
Object component = null;
if (draggedReference.Reference is Component)
{
component = ((Component)draggedReference.Reference).GetComponent(assignableType);
}
else if (draggedReference.Reference is GameObject)
{
component = ((GameObject)draggedReference.Reference).GetComponent(assignableType);
}
if (!component.IsNull())
{
return(component);
}
}
else if (typeof(GameObject).IsAssignableFrom(assignableType))
{
if (draggedReference.Reference is Component)
{
return(((Component)draggedReference.Reference).gameObject);
}
}
}
return(null);
}
private void Update()
{
if (draggingPointer != null)
{
if (draggedReference.IsNull())
{
draggingPointer = null;
}
else if (Input.GetMouseButtonUp(0))
{
ExecuteEvents.Execute(draggedReference.gameObject, draggingPointer, ExecuteEvents.endDragHandler);
if (EventSystem.current != null)
{
List <RaycastResult> hoveredUIElements = new List <RaycastResult>();
EventSystem.current.RaycastAll(draggingPointer, hoveredUIElements);
int i = 0;
while (i < hoveredUIElements.Count && ExecuteEvents.ExecuteHierarchy(hoveredUIElements[i].gameObject, draggingPointer, ExecuteEvents.dropHandler) == null)
{
i++;
}
}
draggingPointer = null;
}
else
{
draggingPointer.position = Input.mousePosition;
ExecuteEvents.Execute(draggedReference.gameObject, draggingPointer, ExecuteEvents.dragHandler);
}
}
else
{
if (!pointerDown)
{
if (Input.GetMouseButtonDown(0) && EventSystem.current != null && !EventSystem.current.IsPointerOverGameObject())
{
RaycastHit hit;
if (Physics.Raycast(_camera.ScreenPointToRay(Input.mousePosition), out hit, raycastRange, interactableObjectsMask))
{
hitObject = (ProcessRaycastHit != null) ? ProcessRaycastHit(hit) : hit.collider.gameObject;
if (!hitObject.IsNull())
{
pointerDown = true;
pointerDownTime = Time.realtimeSinceStartup;
pointerDownPos = Input.mousePosition;
}
}
}
}
else
{
if (Input.GetMouseButton(0))
{
if (((Vector2)Input.mousePosition - pointerDownPos).sqrMagnitude >= 100f)
{
pointerDown = false;
}
else if (Time.realtimeSinceStartup - pointerDownTime >= holdTime)
{
pointerDown = false;
if (!hitObject.IsNull() && EventSystem.current != null)
{
draggingPointer = new PointerEventData(EventSystem.current)
{
pointerId = -111,
pressPosition = Input.mousePosition,
position = Input.mousePosition,
button = PointerEventData.InputButton.Left
};
draggedReference = RuntimeInspectorUtils.CreateDraggedReferenceItem(hitObject, draggingPointer, draggedReferenceSkin);
if (draggedReference == null)
{
pointerDown = false;
draggingPointer = null;
}
}
}
}
else if (Input.GetMouseButtonUp(0))
{
pointerDown = false;
}
}
}
}