Game copying mainhand item to offhand item for no reason

[skip999]

Hello,

I have run into an problem that I can't seem to solve. I have implemented a custom tool that I have overwritten the onRightClick method for. The item works fine when I use it in the main hand, but when I use it in the offhand/shield slot, the game copies whatever is in the main hand to the offhand. I am not sure why this is happening, as I have no code that does such a thing. The problem only occurs when it is in the offhand too, which is what confuses me.

I have linked the code on my github. Any help would be appreciated!

 

Relevant code: https://github.com/skiprocks999/Electrodynamics-Fork/blob/c68f5c93949c3fe0549ce4eecbcdbe55fe0e5305/src/main/java/electrodynamics/common/item/gear/tools/electric/PlasmaRailGun.java#L29

[skip999]

I didn't know ActionResult worked like that. Fixed it now. Thanks!