private void DoVisitComponent(SceneComponentContainer component)
{
VisitComponentMethod visitComponent;
var compType = component.GetType();
if (_visitors.Components.TryGetValue(compType, out visitComponent))
{
// Fast lane: we found a directly matching Visitor. Call it and leave.
visitComponent(this, component);
}
else
{
// See if we find a matching Visitor up the inheritance hierarchy of the component's type
var ancestorType = compType.BaseType;
while (ancestorType != null)
{
if (_visitors.Components.TryGetValue(ancestorType, out visitComponent))
{
// Found a handler. Register it for fast handling of future Visits of components with the same type!
_visitors.Components[compType] = visitComponent;
visitComponent(this, component);
return;
}
// one step up the inheritance hierarchy
ancestorType = ancestorType.BaseType;
}
// No matching Visitor among the ancestors. Add a dummy
_visitors.Components[compType] = (th, comp) => { };
}
}
private void DoVisitComponent(SceneComponentContainer component)
{
VisitComponentMethod visitComponent;
if (_visitors.Components.TryGetValue(component.GetType(), out visitComponent))
{
visitComponent(this, component);
}
}
private static void AddComponent(SceneNodeContainer snc, SceneComponentContainer scc)
{
if (scc == null || snc == null)
{
return;
}
if (snc.Components == null)
{
snc.Components = new List <SceneComponentContainer>();
}
snc.Components.Add(scc);
}
/// <summary>
/// Adds the given component into this container's list of components.
/// </summary>
/// <param name="sncThis">This node.</param>
/// <param name="scc">The component to add.</param>
public static void AddComponent(this SceneNodeContainer sncThis, SceneComponentContainer scc)
{
if (scc == null || sncThis == null)
{
return;
}
if (sncThis.Components == null)
{
sncThis.Components = new List <SceneComponentContainer>();
}
sncThis.Components.Add(scc);
}
