private static bool HasDependence(ShapeBlueprint @from, CanDependOnShapeBlueprint to,
HashSet <ShapeBlueprint> visited)
{
if (@from == to)
{
return(true);
}
if (visited == null)
{
visited = new HashSet <ShapeBlueprint>();
}
foreach (ShapeBlueprint blueprint in @from.DependenciesOnOtherShapes)
{
if (visited.Contains(blueprint))
{
continue;
}
visited.Add(blueprint);
if (blueprint == to)
{
return(true);
}
return(HasDependence(blueprint, to, visited));
}
return(false);
}
public void RemoveDependence(CanDependOnShapeBlueprint blueprint)
{
m_DependentOnMeShapes.Remove(blueprint);
DependenciesUpdated?.Invoke();
}
public void AddDependence(CanDependOnShapeBlueprint dependentOnMe)
{
m_DependentOnMeShapes.Add(dependentOnMe);
DependenciesUpdated?.Invoke();
}
public static bool CanCreateDependence(CanDependOnShapeBlueprint @from, ShapeData to)
{
return(!HasDependence(to.SourceBlueprint, @from, null));
}