Custom Spawn [BTW Addon]

The addon scans the current world seed for a spawn location that matches the player's preferences, then moves the spawn there. Preferences are set in the world creation screen, where the addon's options are added alongside the default ones, so everything is chosen before the world is generated.

Biomes can be selected in several ways. A list of suitable biomes sets where the spawn may fall, a list of wanted biomes restricts the player spawn to them, and a list of unwanted biomes excludes them. A separate list controls which biomes must not appear in the spawn's chunks. Choosing a single biome, such as Forest, and ignoring the whitelist is also possible, and the search range can be widened above its default when no match is found nearby.

The addon requires Better Than Wolves: CE and is published for Legacy Fabric 1.6.4, currently at version 3.0.1+BTW-3.1.1. It is server-side only, so players join without installing anything, and it is released under the Creative Commons Attribution 4.0 license, which is not open source. Source code and an issue tracker are public.