--this is the internal check for getting the max_power 
function redstone.add(pos,torch)
	local max = 0
	local current = 0
	
	--chargup
	for x = -1,1 do
	for y = -1,1 do
	for z = -1,1 do
		if not vector.equals(vector.new(0,0,0),vector.new(x,y,z)) then
			local pos2 = vector.add(pos,vector.new(x,y,z))
			local power = minetest.registered_nodes[minetest.get_node(pos2).name].power
			if power then
				if power > max then
					max = power
					current = max - 1
				end
			end
		end
	end
	end
	end
	if torch == true then
		current = 9
	else
		if minetest.get_node_group(minetest.get_node(pos).name, "redstone_dust") > 0 then
			minetest.set_node(pos,{name="redstone:dust_"..current})	
		end
	end
	--transfer
	for x = -1,1 do
	for y = -1,1 do
	for z = -1,1 do
		local pos2 = vector.add(pos,vector.new(x,y,z))
		local power = minetest.registered_nodes[minetest.get_node(pos2).name].power
		if power then
			if power < current then
				minetest.after(0,function(pos2)
					redstone.add(pos2)
				end,pos2)
			end
		end
	end
	end
	end
end

function redstone.remove(pos,oldpower,torch)
	local max = 0
	
	--chargup
	for x = -1,1 do
	for y = -1,1 do
	for z = -1,1 do
		if not vector.equals(vector.new(0,0,0),vector.new(x,y,z)) then
			local pos2 = vector.add(pos,vector.new(x,y,z))
			local power = minetest.registered_nodes[minetest.get_node(pos2).name].power
			if power and power ~= 9 then
				--print(power)
				if power > max then
					max = power
				end
			end
		end
	end
	end
	end
	for x = -1,1 do
	for y = -1,1 do
	for z = -1,1 do
		if not vector.equals(vector.new(0,0,0),vector.new(x,y,z)) then
			local pos2 = vector.add(pos,vector.new(x,y,z))
			local power = minetest.registered_nodes[minetest.get_node(pos2).name].power
			if power then
				if power < oldpower then
					if not torch == true then
						if minetest.get_node_group(minetest.get_node(pos).name, "redstone_dust") > 0 then
							minetest.set_node(pos,{name="redstone:dust_0"})
						end
					end
					
					minetest.after(0,function(pos2)
						redstone.remove(pos2,power)
					end,pos2)
				end
			end
		end
	end
	end
	end
end