anchor.diff:    fOwner := aOwner;
     fCityUnderAttack := False;
     fPositions := TKMList.Create;
  -  fAttack := aAttack;
   
     for GT := Low(TKMGroupType) to High(TKMGroupType) do
     begin
  
positive.code:         break;
        end;
  
    // First line of defences
    for I := 0 to fPositions.Count - 1 do
      if (Positions[I].Line = 0) then
      begin
        Threat := 0;
        Loc := Positions[I].Position.Loc;
        Idx := gAIFields.NavMesh.KMPoint2Polygon[Loc];
        for GT := Low(TKMGroupType) to High(TKMGroupType) do
          Threat := Threat + gAIFields.Influences.EnemyGroupPresence[ fOwner, Idx, GT ];
  
        // Draw defensive lines as a triangles
        Col := Max( $22, Min($FF, Threat) );
  
negative.code: 
  
  { TKMArmyDefence }
  constructor TKMArmyDefence.Create(aOwner: TKMHandID);
  var
    GT: TKMGroupType;
  begin
  