public static bool HandleNodeInput(DragNode node, Event e, GraphCamera camera)
{
bool inputProcessed = false;
var mousePosition = e.mousePosition;
var mousePositionWorld = camera.ScreenToWorld(mousePosition);
int dragButton = 0;
// If the pins didn't already handle the input, then let the node handle it
if (!inputProcessed)
{
bool insideRect = node.Bounds.Contains(mousePositionWorld);
if (e.type == EventType.MouseDown && insideRect && e.button == dragButton)
{
node.IsDragging = true;
inputProcessed = true;
}
else if (e.type == EventType.MouseUp && insideRect && e.button == dragButton)
{
node.IsDragging = false;
}
}
if (node.IsDragging && !node.Selected)
{
node.IsDragging = false;
}
if (node.IsDragging && e.type == EventType.MouseDrag)
{
inputProcessed = true;
}
return(inputProcessed);
}
public void OnDisable()
{
keyboardState = null;
graphCamera = null;
if (selectionBox != null)
{
selectionBox.SelectionPerformed -= HandleBoxSelection;
selectionBox = null;
}
}
public void OnEnable()
{
graphCamera = new GraphCamera();
keyboardState = new KeyBoardState();
selectionBox = new GraphSelectionBox();
selectionBox.SelectionPerformed += HandleBoxSelection;
genericMenu = GetGenericMenu();
if (stateMachineGraph == null)
{
stateMachineGraph = ScriptableObject.CreateInstance <Graph>();
stateMachineGraph.hideFlags = HideFlags.HideAndDontSave;
}
if (stateMachineGraphGUI == null)
{
stateMachineGraphGUI = (GetEditor(stateMachineGraph));
}
}