public bool RemoveSelectionContainsListner(GameObject go, SelectionContains listener)
{
if (!SelectionContainsListeners.ContainsKey(go))
{
return(false);
}
return(SelectionContainsListeners[go].Remove(listener));
}
/// <summary>
/// Adds a listner for an gameobject. If this gameobject is selected, the listner will be invoked
/// </summary>
/// <param name="go">the gameobject on which the listener should be registered</param>
/// <param name="listener">the listener it self</param>
/// <returns>the SelectionContains delgate which was given to this function</returns>
public SelectionContains AddSelectionContainsListener(GameObject go, SelectionContains listener)
{
if (!SelectionContainsListeners.ContainsKey(go))
{
SelectionContainsListeners.Add(go, new List <SelectionContains>());
}
SelectionContainsListeners[go].Add(listener);
return(listener);
}
/// <summary>
/// Adds an object to the selection, changes the shader and shows and hides the appropriate canvas
/// </summary>
/// <param name="go">The Gameobject which is added</param>
protected void AddObjectToSelection(GameObject go, bool invokeSelectionChangeEvent = true)
{
if (selectedObjects.Contains(go))
{
return;
}
if (go == null)
{
return;
}
Selectable selectable = go.GetComponent <Selectable>();
if (selectable == null)
{
throw new Exception("You tried to Add an GameObject which hans't a Selectable component on it: (Gameobject: " + go + ")");
}
selectable.SetShader();
selectedObjects.Add(go);
if (selectedObjects.Count == 1)
{
ShowObjectUi(selectedObjects.First());
}
else if (!eventSystem.IsPointerOverGameObject())
{
HideObjectUi();
}
if (SelectionContainsListeners.ContainsKey(go))
{
foreach (var l in SelectionContainsListeners[go])
{
l.Invoke(go, selectedObjects.AsReadOnly());
}
}
if (invokeSelectionChangeEvent && ChangeSelectionEvent != null)
{
ChangeSelectionEvent.Invoke(Array.AsReadOnly(new GameObject[] { go }), Array.AsReadOnly(new GameObject[] {}), SelectedObjects);
}
}