def find_current_key_doors(builder):
    current_doors = []
    for region in builder.master_sector.regions:
        for ext in region.exits:
            d = ext.door
            if (d and d.smallKey):
                current_doors.append(d)
    return current_doors
def find_current_key_doors(builder):
    current_doors = []
    for region in builder.master_sector.regions:
        for ext in region.exits:
            d = ext.door
            if (d and d.smallKey):
                current_doors.append(d)
    return current_doors