void Data_Service::Initialize_Connects (Connect_File &file)
{
Required_File_Check (file, LINK);
if (file.Version () <= 40) {
Required_File_Check (file, POCKET);
}
int percent = System_Data_Reserve (CONNECTION);
if (connect_array.capacity () == 0 && percent > 0) {
int num = file.Num_Records ();
if (percent != 100) {
num = (int) ((double) num * percent / 100.0);
} else if (file.Version () <= 40) {
num = (int) (num / 2.25);
}
if (num > 1) {
connect_array.reserve (num);
if (num > (int) connect_array.capacity ()) Mem_Error (file.File_ID ());
}
}
}
void Data_Service::Read_Connections (void)
{
Connect_File *file = (Connect_File *) System_File_Handle (CONNECTION);
int num, in, out;
Int2_Map_Stat map_stat;
Connect_Data connect_rec;
//---- store the lane connectivity data ----
Show_Message (String ("Reading %s -- Record") % file->File_Type ());
Set_Progress ();
Initialize_Connects (*file);
num = 0;
while (file->Read ()) {
Show_Progress ();
connect_rec.Clear ();
if (Get_Connect_Data (*file, connect_rec)) {
in = connect_rec.Dir_Index ();
out = connect_rec.To_Index ();
map_stat = connect_map.insert (Int2_Map_Data (Int2_Key (in, out), (int) connect_array.size ()));
if (!map_stat.second) {
Dir_Data *dir_ptr;
Link_Data *link_ptr;
dir_ptr = &dir_array [in];
link_ptr = &link_array [dir_ptr->Link ()];
in = link_ptr->Link ();
dir_ptr = &dir_array [out];
link_ptr = &link_array [dir_ptr->Link ()];
out = link_ptr->Link ();
Warning (String ("Duplicate Link Connection = %d to %d") % in % out);
continue;
} else {
connect_array.push_back (connect_rec);
}
}
}
End_Progress ();
file->Close ();
Print (2, String ("Number of %s Records = %d") % file->File_Type () % Progress_Count ());
num = (int) connect_array.size ();
if (num && num != Progress_Count ()) {
Print (1, String ("Number of %s Data Records = %d") % file->File_ID () % num);
}
if (num > 0) {
System_Data_True (CONNECTION);
Connect_Data *connect_ptr;
Dir_Data *dir_ptr;
//---- create directional link list ----
while (num--) {
connect_ptr = &connect_array [num];
dir_ptr = &dir_array [connect_ptr->Dir_Index ()];
connect_ptr->Next_To (dir_ptr->First_Connect_To ());
dir_ptr->First_Connect_To (num);
dir_ptr = &dir_array [connect_ptr->To_Index ()];
connect_ptr->Next_From (dir_ptr->First_Connect_From ());
dir_ptr->First_Connect_From (num);
}
}
}