Tectonicus is a high detail Minecraft world mapper focused on creating zoomable maps that look very close to what you see in Minecraft. - tectonicus/tectonicus
.ClassTinkererstherefore checks for if any of the passed in classes are in thenet.minecraftpackage and will crash if they are. This is of course a tad crude considering there are classes likeGlStateManagerthat are not in the package but are still Mixinable, but it's better than nothing ...