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ForgeRegistries.BIOMES.getKeys() returning null


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I'm trying to export all the biome keys into a file. I have it working for items, blocks, particles, etc.. But for some reason, the biomes list is coming back empty. I am trying to get this list during the FMLCommonSetupEvent, I even attempted to run it during the BuildCreativeModeTabContentsEvent with the same results. I do not get any errors, and when I log it to the console using the below snippit, it logs "Biomes: []"

logger.debug("BIOMES: " + ForgeRegistries.BIOMES.getKeys().toString())

I know this used to work back in 1.15, when I last tried modding. I can't figure out why it isn't working now, especially since it is working for all the other lists. Is there a new way to get a list of biome keys other than ForgeRegistries.BIOMES.getKeys() now?

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  • 2 weeks later...
  • 2 weeks later...

Did someone figure out how to get all the biomes?

I try to run:


All give me an empty list. :(


Updated (working on 1.20.1):

// Get server
MinecraftServer server = ... get current server
// Get all registered biomes
Registry<Biome> allBiomes = server.registryAccess().registryOrThrow(Registries.BIOME);

// Check each biome
for (Map.Entry<ResourceKey<Biome>, Biome> biomeEntry : allBiomes.entrySet()) {
  ResourceKey<Biome> biomeKey = biomeEntry.getKey();
  Biome biome = biomeEntry.getValue();

  String modId = biomeKey.location().getNamespace();
  String translationKey = "biome." + modId + "." + biomeKey.location().getPath();
  String biomeName = I18n.get(translationKey);


Edited by balex25
added solved
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I had forgotten about this post...

I found the only way to do this is to listen to the EntityJoinLevelEvent and call


when an entity joins the level.


Here is how I handled it:



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