def setObjectNumber( self, objectType, number ):
number = max( 0, number )
while len( self.getObjectsByType( objectType ) ) < number:
x = GameItemTypes.getAbscissaForAutomaticInsertion( objectType )
height = GameItemTypes.attributes[ objectType ][ "Height" ]
y = - 1
while (
self.getObjectAt( *nearestTileCenter( x, y ) ) is not None
or self.getObjectAt( *nearestTileCenter( x, y - 2 ) ) is not None
):
y -= 2
y -= height
self.addObject( objectType, GameItemTypes.CreatePolygon( objectType, x, y, 0 ), 0 )
while len( self.getObjectsByType( objectType ) ) > number:
self.deleteObjects( [ self.getObjectsByType( objectType )[ -1 ] ] )
self.notifyViews()
