fixlight.lua

local fix = function(name, param)
		local x, y, z = string.match(param, "(%d+) (%d+) (%d+)")
		local pos
		if x==nil or y==nil or z==nil then
			local player = minetest.get_player_by_name(name)
			if not player then
				return false, "Player not found"
			end
			pos = player:getpos()
		else
			pos = {["x"] = 16*x, ["y"] = 16*y, ["z"] = 16*z}
		end
		local px=math.floor(pos.x/16)
		local py=math.floor(pos.y/16)
		local pz=math.floor(pos.z/16)
		minetest.chat_send_all("Fixing: " .. px .. " " .. py .. " " .. pz)
		minetest.fix_light({["x"]=px, ["y"]=py, ["z"]=pz})
		return true, "Done."
	end

minetest.register_chatcommand("fixlight", {
	params = "[<x> <y> <z>]",
	description = "",
	func = fix,
})