/// <summary>Remove selectable object from list of selectable objects</summary>
public void RemoveSelectableObject(SelectableObject selectableObject)
{
if (selectableObjects.Contains(selectableObject))
{
selectableObjects.Remove(selectableObject);
decalHandler.RetractSelectionDecal(selectableObject);
}
}
/// <summary>Add selectable object to list of selectable objects</summary>
public void AddSelectableObject(SelectableObject selectableObject)
{
if (!selectableObjects.Contains(selectableObject))
{
selectableObjects.Add(selectableObject);
decalHandler.AssignSelectionDecal(selectableObject);
}
}
/// <summary>Retracts the decal managing the given selectable object</summary>
public void RetractSelectionDecal(SelectableObject selectable)
{
foreach (SelectionDecal decal in selectionDecals)
{
if (decal.AssignedSelectable == selectable)
{
decal.Retract();
break;
}
}
}
/// <summary>Set up the decal with the given selectable object and color</summary>
public void Setup(SelectableObject selectableObject)
{
AssignedSelectable = selectableObject;
AssignedSelectable.AssignSelectionDecal(this);
projectorHoverDecal.orthographicSize = AssignedSelectable.HoverDecalSize;
projectorSelectDecal.orthographicSize = AssignedSelectable.SelectDecalSize;
projectorHoverDecal.material.color = AssignedSelectable.DecalColor;
projectorSelectDecal.material.color = AssignedSelectable.DecalColor;
projectorHoverDecal.gameObject.SetActive(false);
projectorSelectDecal.gameObject.SetActive(false);
gameObject.SetActive(true);
}
/// <summary>Checks whether the user is hovering over entities in the scene</summary>
private void HandleHovering(bool pointerOverUI)
{
if (pointerOverUI)
{
//if pointer was over ui and hovered object isn't null, handle hover end
if (hoveredObject != null)
{
EndHover();
}
return;
}
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, 1000f, selectableLayers.value))
{
SelectableObject selectableObject = hit.collider.GetComponentInParent <SelectableObject>();
//exit if no selectable object component was found
if (selectableObject == null)
{
return;
}
// exit if the selectable object is not in the selectable objects list
if (selectableObject != null && !selectableObjects.Contains(selectableObject))
{
Debug.LogWarningFormat("selectable object {0} is not in the selectable objects list", selectableObject.name);
return;
}
// setup hovered object if it wasn't assigned yet
if (hoveredObject == null)
{
hoveredObject = selectableObject;
hoveredObject.HoverStart();
}
}
else
{
if (hoveredObject != null)
{
EndHover();
}
}
}
/// <summary>ends hovering of hovered object</summary>
private void EndHover()
{
hoveredObject.HoverEnd();
hoveredObject = null;
}
public void Retract()
{
AssignedSelectable.RetractSelectionDecal();
AssignedSelectable = null;
gameObject.SetActive(false);
}
/// <summary>Assigns a decal to given selectable object</summary>
public void AssignSelectionDecal(SelectableObject selectableObject)
{
GetDecal().Setup(selectableObject);
}