I know a lot of people have posted about this topic, but I can not find a forum to support my needs. Keep in mind that I do not have much Java skills, so please explain things as much as possible.   I want to add a custom block drop to oak leaves (an acorn). After a couple hours of work, I've ended up with this: package com.github.n_slash_a.terracraftia; import net.minecraft.item.ItemStack; import net.minecraftforge.event.world.BlockEvent; import net.minecraftforge.eventbus.api.Su