Test Terrain Generation Without Restarting Your World

Quick Iteration Workflow

Instead of creating new worlds repeatedly, use the mod's reload and chunk reset features to test changes instantly while staying in the same world.

Step-by-Step Process

1. Open your testing world and set reloadRegistries gamerule to true

2. Edit your worldgen datapack files in your text editor (density functions, feature configs, structure sets, etc.)

3. Return to the game and run /reload to apply all changes without restarting

4. Travel to the area you modified or stand near where you want to test

5. Run /resetchunks <range> (e.g., /resetchunks 5) to regenerate chunks around you with the updated settings

6. Observe the new terrain and structures generate in real-time

Configuration Tips

Enable saveChunks if you want to preserve tested terrain between sessions. Use maxChunkStatus to test specific generation stages—set it to noise to see only terrain without structures, or features for full generation. This lets you isolate which stage is causing problems.