// Serialize / deserialize
internal void ReadWrite(IReadWriteStream s)
{
if (s.IsWriting)
{
s.wInt(islandvertices.Count);
for (int i = 0; i < islandvertices.Count; i++)
{
s.wInt(islandvertices[i]);
}
s.wInt(vertices.Count);
for (int i = 0; i < vertices.Count; i++)
{
s.wVector2D(vertices[i]);
}
s.wInt(sidedefs.Count);
for (int i = 0; i < sidedefs.Count; i++)
{
if (sidedefs[i] != null)
{
s.wInt(sidedefs[i].SerializedIndex);
}
else
{
s.wInt(-1);
}
}
}
else
{
int c;
s.rInt(out c);
int[] islandverticeslist = new int[c];
for (int i = 0; i < c; i++)
{
s.rInt(out islandverticeslist[i]);
}
islandvertices = Array.AsReadOnly(islandverticeslist);
s.rInt(out c);
Vector2D[] verticeslist = new Vector2D[c];
for (int i = 0; i < c; i++)
{
s.rVector2D(out verticeslist[i]);
}
vertices = Array.AsReadOnly(verticeslist);
s.rInt(out c);
sidedefindices = new int[c];
for (int i = 0; i < c; i++)
{
s.rInt(out sidedefindices[i]);
}
}
}
