GeyserPackMerger

Merge two Bedrock resource packs – the overlay pack's assets are layered onto the base pack. All files and folders are merged recursively, with overlay assets overriding base pack conflicts.

What the Script Does

• Finds all resource packs in the folder (manifest.json with modules.type="resources").
• Copies the base pack into a new output folder.
• Recursively overlays all files and folders from the overlay pack (except manifest.json).
• Generates fresh UUIDs and renames the manifest title based on the selected packs.

Requirements

• Windows with PowerShell 5+.
• Both packs extracted in the same folder as the script.

Usage (Interactive)

1. Open PowerShell in the folder containing the script and packs.
2. Run the script:

   .\geyser_pack_merger.ps1

3. Select numbers for the base pack (keeps original assets) and overlay pack (assets to merge).
4. Output folder is created as merged_<base>_<overlay>. Zip this folder and load it as a resource pack.

Usage (With Parameters)

.\geyser_pack_merger.ps1 -BasePack "MaCoolPack" -OverlayPack "SecondRandomPack" -Output "merged_cool_random_pack"

Notes

• Output folder must differ from source packs; any existing output will be overwritten.
• All files from the overlay pack recursively override matching files in the base pack.
• The manifest.json remains from the base pack (only name, description, and UUIDs are updated).
• After zipping, place the pack high in the resource pack stack for overlay assets to take effect.