don't use this

this fork is basically pointless since official smooth swapping mod is backported to this version including sophisticated core compat fixes. just use that.

Smooth Swapping

Official Modrinth Page

Smooth Swapping is a client side mod that animates item movement inside of inventories.

Smooth Item animation inside an inventory

Smooth Swapping settings menu (took from the official curseforge page)

• Toggle button to activate and deactivate the mod
• Slider to adjust the animation speed
• Graph to change the animation curve
• Right click with your mouse on an empty space to create a new curve point
• Left click and drag a point to move it. The first and last point can't be moved though
• Right click on a point to delete it
• Small inventory to test your animation