Cache generation
HeroBridge relies on pre-generated cache data to display available parts, presets, colors, body shapes, species, and expressions inside Game Creator 2 instructions (like Set Part). If for some reason the cache generation has failed, or if no parts appear in dropdown menus, this indicates the cache wasn’t created correctly.
Why we use cache
When HeroBridge is installed through the Package Manager, HeroBridge automatically attempts to export all cache data during setup. This process extracts data directly from the Sidekick database (including expressions from the demo animation controller) and stores it for runtime access.
This cache system is used for performance and compatibility reasons:
It prevents runtime lookups that could cause freezing or hitching when querying the Sidekick database.
It enables WebGL support, since the Sidekick database system isn’t supported on WebGL, but cached data is.
Troubleshooting steps
Open the Sidekick Character Tool
If the tool opens and you don’t get errors about missing parts, the Sidekick installation is fine.
In this case, you can manually re-generate the HeroBridge cache.
Manually regenerate the cache
Go to the Unity toolbar: Game Creator > Settings > HeroBridge
Inside the settings window, click Regenerate Cache.
You can also view the current cache status here to confirm successful generation.
If the Sidekick Character Tool reports missing parts
This means your Sidekick installation is incomplete or corrupted.
You’ll need to completely reinstall Sidekick and HeroBridge.
Full reinstall steps
Uninstall HeroBridge:
Go to Game Creator > Uninstall > HeroBridge
Delete the Synty folder from your project.
Follow the setup guide from the beginning, ensuring the Sidekick tool works before reinstalling HeroBridge:
Setup checklist:
Install Game Creator 2
Install FREE Starter Pack – Sidekick Modular Characters by Synty
Download and install the Sidekick Tool
After installing the Starter Pack, a popup will prompt you to install the Sidekick Tool.
If it doesn’t appear, manually open it via: Synty > Sidekick Tool Downloader
Or download it directly from: https://github.com/SyntyStudios/SidekicksToolRelease/releases/latest/download/Sidekicks.unitypackage
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