Useful Spyglasses!
Description
Useful Spyglasses, or USpy, adds two new spyglass variants to Minecraft. The Glowglass, and the Invisiglass.
The Glowglass
The glowglass lets players see in the darkness just by looking through it. It's crafted using 2 copper ingots and one piece of glowstone dust.
The Invisiglass
The glowglass lets players see invisible entities just by looking through it. It's crafted using 2 copper ingots and one eye of ender.
Other notes
All invisible players are able to see eachother and other invisible entities.
The datapack adds three new advancements for players to get.
