/// <summary>
/// Adds a face to the list.
/// </summary>
/// <param name="element">The element.</param>
public void Add(FaceConnector element)
{
if (last != null)
{
last.Next = element;
}
element.Previous = last;
last = element;
if (First == null)
{
First = element;
}
}
/// <summary>
/// Get an unused face connector. If none is available, create it.
/// </summary>
/// <returns>FaceConnector.</returns>
public FaceConnector GetConnector()
{
if (ConnectorStack == null)
{
return(new FaceConnector(Dimension));
}
var ret = ConnectorStack;
ConnectorStack = ConnectorStack.Next;
ret.Next = null;
return(ret);
}
/// <summary>
/// Store a face connector in the "embedded" linked list.
/// </summary>
/// <param name="connector">The connector.</param>
public void DepositConnector(FaceConnector connector)
{
if (ConnectorStack == null)
{
connector.Next = null;
ConnectorStack = connector;
}
else
{
connector.Next = ConnectorStack;
ConnectorStack = connector;
}
}
/// <summary>
/// Connect faces using a connector.
/// </summary>
/// <param name="connector">The connector.</param>
private void ConnectFace(FaceConnector connector)
{
var index = connector.HashCode % Constants.ConnectorTableSize;
var list = ConnectorTable[index];
for (var current = list.First; current != null; current = current.Next)
{
if (FaceConnector.AreConnectable(connector, current, NumOfDimensions))
{
list.Remove(current);
FaceConnector.Connect(current, connector);
current.Face = null;
connector.Face = null;
ObjectManager.DepositConnector(current);
ObjectManager.DepositConnector(connector);
return;
}
}
list.Add(connector);
}
/// <summary>
/// Removes the element from the list.
/// </summary>
/// <param name="connector">The connector.</param>
public void Remove(FaceConnector connector)
{
if (connector.Previous != null)
{
connector.Previous.Next = connector.Next;
}
else if (/*first == face*/ connector.Previous == null)
{
First = connector.Next;
}
if (connector.Next != null)
{
connector.Next.Previous = connector.Previous;
}
else if (/*last == face*/ connector.Next == null)
{
last = connector.Previous;
}
connector.Next = null;
connector.Previous = null;
}
/// <summary>
/// Adds the element to the beginning.
/// </summary>
/// <param name="connector">The connector.</param>
private void AddFirst(FaceConnector connector)
{
First.Previous = connector;
connector.Next = First;
First = connector;
}