SpawnEntry (
    name: "Tundra animals for christmas.",
    note: "Usually you can find them in snowy areas.",
    rules: [
        Pack(
            groups: [
                (6, (1, 3, "common.entity.wild.aggressive.frostfang")),
                (6, (1, 3, "common.entity.wild.aggressive.snow_raptor")),
                (6, (1, 3, "common.entity.wild.aggressive.roshwalr")),
                (1, (1, 1, "common.entity.calendar.christmas.aggressive.yeti")),
            ],
            spawn_mode: Land,
            calendar_events: Some([Christmas]),
            day_period: [Night, Morning, Noon, Evening],
        ),
    ],
)