Worldgen & Mob Spawning

As of Minecraft 1.19, the Worldgen and Mob Spawning is defined via Json files.

Ore generation

Ore generation is split into 3 files Configured Feature files, Placed Feature file and Biome Modifier files

Jade Ore

• Configured Feature files:
  • Here is the Jade Ore Feature itself defined, you can find the file here.
  

• Placed Feature files:
  • Here is defined how Jade Ore is placed in the world, so things like the spawn range etc, you can find the file here.
  

• Biome Modifier files:
  • Here is defined in which Biomes Jade Ore can generate, you can find the file here.
  • This Biome Modifier makes use of the jade_generates_in tag to define the Biome Jade Ore can spawn in.
  You can read more about Biome Tags here.

Mob Spawning

For Mob Spawning, only Biome Modifiers are used. You can find those Biom Modifiers here.