public void DeleteElement(int element, int hash)
{
int bucket = hash % m_hashBuckets.Size();
int list = m_hashBuckets.Get(bucket);
if (list == -1)
{
throw new System.ArgumentException();
}
int ptr = m_lists.GetFirst(list);
int prev = -1;
while (ptr != -1)
{
int e = m_lists.GetElement(ptr);
int nextptr = m_lists.GetNext(ptr);
if (e == element)
{
m_lists.DeleteElement(list, prev, ptr);
if (m_lists.GetFirst(list) == -1)
{
m_lists.DeleteList(list);
// do not keep empty lists
m_hashBuckets.Set(bucket, -1);
}
}
else
{
prev = ptr;
}
ptr = nextptr;
}
}
internal void ApplyClusterPositions_()
{
com.epl.geometry.Point2D cluster_pt = new com.epl.geometry.Point2D();
// move vertices to the clustered positions.
for (int list = m_clusters.GetFirstList(); list != -1; list = m_clusters.GetNextList(list))
{
int node = m_clusters.GetFirst(list);
System.Diagnostics.Debug.Assert((node != -1));
int vertex = m_clusters.GetElement(node);
m_shape.GetXY(vertex, cluster_pt);
for (node = m_clusters.GetNext(node); node != -1; node = m_clusters.GetNext(node))
{
int vertex_1 = m_clusters.GetElement(node);
m_shape.SetXY(vertex_1, cluster_pt);
}
}
}