Oh, what? I do have the spigot.jar in the build path, though. Edit: No, nevermind, I didn't. Thank you for your help! Edit 2: I added it but it...
...Looking at it now, I may have posted this in the wrong place. I'm really new to the whole plugin stuff (and servers, too), and never understood...
What's an NMS class, and how would I add the server? Do I just add the entire folder?
Okay, so, I found this, https://bukkit.org/threads/using-rays-to-quickly-and-accurately-detect-hitbox-collisions.441877/ , which I'm trying to use...
Separate names with a comma.