private void NodeClicked(Node node, Vector2 location)
{
if (!IsValidNode(node))
{
return;
}
if (CurrentlySelectedNode == null || _resetRequired)
{
CurrentlySelectedNode = node;
_resetRequired = false;
}
else if (CurrentlySelectedNode != null && CurrentlySelectedNode != node)
{
if (CurrentlySelectedNode.ContainsNode(node))
{
CurrentlySelectedNode.RemoveNode(node);
node.RememberColorState(ColorState.None);
node.RemoveParent(node);
}
else
{
CurrentlySelectedNode.AddLinkedNode(node);
node.Parents.Add(CurrentlySelectedNode);
node.RememberColorState(ColorState.Glow);
}
CurrentlySelectedNode = CurrentlySelectedNode;
_resetRequired = true;
}
}
private void UnselectNode()
{
if (CurrentlySelectedNode != null)
{
CurrentlySelectedNode.SetSelected(false);
}
CurrentlySelectedNode = null;
}
//--------------------------------------
// Util
//--------------------------------------
private void SelectNode(UINode node, bool selected)
{
if (selected)
{
if (CurrentlySelectedNode != null)
{
CurrentlySelectedNode.SetSelected(false);
}
CurrentlySelectedNode = node;
CurrentlySelectedNode.SetSelected(true);
}
else
{
node.SetSelected(false);
CurrentlySelectedNode = null;
}
}
public override void Update(GameTime gameTime)
{
var mouseState = GameMouse.GetState();
if (mouseState.LeftButton == ButtonState.Released && _previousMouseState.LeftButton == ButtonState.Pressed)
{
if (!(CurrentlySelectedNode != null && CurrentlySelectedNode.IsMouseDown))
{
// Create a new node, and also set it to be the newest created node
if (CurrentlySelectedNode != null)
{
CurrentlySelectedNode.SetColorState(ColorState.None);
}
CurrentlySelectedNode = CreateNode((int)World.MouseInWorld.X, (int)World.MouseInWorld.Y);
CurrentlySelectedNode.SetColorState(ColorState.DarkDark);
}
}
_previousMouseState = mouseState;
}
