int Segment::updateArea(const Area* area)
{
Areastore::iterator I = m_areas.lower_bound(area->getLayer());
Areastore::iterator Iend = m_areas.upper_bound(area->getLayer());
for (; I != Iend; ++I) {
if (I->second == area) {
invalidateSurfaces();
return 0;
}
}
return -1;
}
/// \brief Mark the contents of this Segment as stale.
///
/// This is called internally whenever changes occur that mean that the
/// heightfield and surface normal data are no longer valid.
/// If surface normal storage is deallocated, and if the points argument
/// is true the heightfield storage is also deallocated.
void Segment::invalidate(bool points)
{
if (points) {
m_heightMap.invalidate();
}
if (m_normals) {
delete [] m_normals;
m_normals = nullptr;
}
invalidateSurfaces();
}
