private void HandleConnect(MouseOverInteractable interactable)
{
if (ImprovedMouse.DidJustRightClick && !GameState.GameOver)
{
if (interactable.Type == InteractableType.Node)
{
startConnection = interactable.Entity;
if (IsAlive(startConnection))
{
var connectionLine = new ConnectionLine(startConnection, this);
Parent.Add(connectionLine);
connecting = connectionLine;
}
}
SetTexture("handclick");
}
if (IsConnecting && ImprovedMouse.DidJustRightRelease)
{
if (interactable.Type == InteractableType.Node && CanConnect(connecting, startConnection, interactable.Entity))
{
connecting.Connected(startConnection, interactable.Entity);
ConnectionHelper.RealignAllConnections();
}
else
{
Parent.Remove(connecting);
}
SetTexture("hand");
connecting = null;
}
}
private static void SwapEndsIfNeeded(ConnectionLine connection, Entity entity)
{
if (connection.End != entity)
{
var tmp = connection.Start;
connection.Start = connection.End;
connection.End = tmp;
}
}
private bool CanConnect(ConnectionLine connection, Entity e1, Entity e2)
{
var areSame = e1 == e2;
var twoContracts = e1 is ContractEntity && e2 is ContractEntity;
var areBothAlive = IsAlive(e1) && IsAlive(e2);
return(!areSame &&
!twoContracts &&
areBothAlive &&
!connection.AlreadyHasConnection(e1, e2));
}
private static void EnforceContractDirection(ConnectionLine connection)
{
if (connection.End is ContractEntity)
{
return;
}
var tmp = connection.Start;
connection.Start = connection.End;
connection.End = tmp;
}