function blockgame.register_increasing_abm (def)
	local id = def.id or "unknown"
	local label = def.label or "unlabeled"
	local nodenames = def.nodenames or {}
	local neighbors = def.neighbors or {}
	local interval = def.interval or 60
	local chance = def.chance or 10
	-- TODO: fully validate def, make sure it has the necessary functions specified.
	
	blockgame.register_abm({
		label = label,
		nodenames = nodenames,
		neighbors = neighbors,
		interval = interval,
		chance = chance,
		action = function (pos, node)
			local meta = minetest.get_meta(pos)
			local value = meta:get_int(id) or 0
			local data = {
				value = value,
			}

			value = def.rate(pos, node, data)
			meta:set_int(id, value)

			if not def.check(pos, node, data) then return end

			def.action(pos, node, data)
		end,
	})
end