def METHOD_NAME(self, rom):
    import patches.overworld
    if patches.overworld.isNormalOverworld(rom):
        import patches.entrances
        self.entrance_mapping = patches.entrances.readEntrances(rom)
    else:
        self.entrance_mapping = {"d%d" % (n): "d%d" % (n) for n in range(9)}
    self.boss_mapping = patches.enemies.readBossMapping(rom)
    self.miniboss_mapping = patches.enemies.readMiniBossMapping(rom)
    self.goal = 8 # Better then nothing