//-----------------------------------------------------------------------------
// Purpose: Causes all objects in the world to update any object dependencies (pointers)
// that they might be holding. This is a static function.
//-----------------------------------------------------------------------------
void CMapClass::UpdateAllDependencies(CMapClass *pObject)
{
//
// Try to locate the world object.
//
CMapWorld *pWorld;
if (pObject == NULL)
{
CMapDoc *pDoc = CMapDoc::GetActiveMapDoc();
if ((pDoc == NULL) || (pDoc->IsLoading()))
{
return;
}
pWorld = pDoc->GetMapWorld();
}
else
{
pWorld = pObject->GetWorldObject(pObject);
}
if (pWorld == NULL)
{
return;
}
//
// We found the world. Tell all its children to update their dependencies
// because of the given object.
//
EnumChildrenPos_t pos;
CMapClass *pChild = pWorld->GetFirstDescendent(pos);
while (pChild != NULL)
{
pChild->UpdateDependencies(pWorld, pObject);
pChild = pWorld->GetNextDescendent(pos);
}
}
