1.lua

function DROP(dropslot, top_bottom)
    turtle.select(dropslot)
    if top_bottom == 1 then
        turtle.dropUp(1)
    else
        turtle.dropDown(1)
    end
end
function SUCK(top_bottom)
    for slot=1,4 do
        turtle.select(slot)
        if top_bottom == 1 then
            turtle.suckUp()
        else
            turtle.suckDown()
        end
    end
end
function GET_RID_OF()
    turtle.select(4)
    turtle.drop()
end
function GET_NEW()
    turtle.select(4)
    turtle.suck(6)
end
function INSERT(top_bottom)
    for line=1,2 do
        for pattern=1,3 do
            for slot=1,3 do
                DROP(slot, top_bottom)
            end
        end
        for pattern=1,3 do
            DROP(2, top_bottom)
            DROP(4, top_bottom)
            DROP(2, top_bottom)
        end
        for pattern=1,3 do
            for slot=1,3 do
                DROP(4-slot, top_bottom)
            end
        end
    end
end
function GET_TO(reactornum)
    turtle.up()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    if ( reactornum == 1 ) or ( reactornum == 4 ) then
        turtle.turnRight()
        for xtoreac=1,4 do
            turtle.forward()
        end
        turtle.turnLeft()
    else
        if ( reactornum == 3 ) or ( reactornum == 6 ) then
            turtle.turnLeft()
            for xtoreactor=1,4 do
                turtle.forward()
            end
            turtle.turnRight()
        end
    end
end
function GET_REACTOR(reactornum)
    if reactornum <= 3 then
        turtle.down()
        SUCK(0)
        turtle.up()
    else
        turtle.up()
        SUCK(1)
        turtle.down()
    end
end
function PUT_REACTOR(reactornum)
    if reactornum <=3 then
        turtle.down()
        INSERT(0)
        turtle.up()
    else
        turtle.up()
        INSERT(1)
        turtle.down()
    end
end
function GET_BACK(reactornum)
    if ( reactornum == 1 ) or ( reactornum == 4 ) then
        turtle.turnLeft()
        for i=1,4 do
            turtle.forward()
        end
        turtle.turnLeft()
    else
        if ( reactornum == 3 ) or ( reactornum == 6 ) then
            turtle.turnRight()
            for i=1,4 do
                turtle.forward()
            end
            turtle.turnRight()
        else
            turtle.turnLeft()
            turtle.turnLeft()
        end
    end
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.down()
    turtle.turnLeft()
    turtle.turnLeft()
end
function REACTOR_RENEW(reactornum)
    local Fuel = true
    GET_TO(reactornum)
    GET_REACTOR(reactornum)
    GET_BACK(reactornum)
    turtle.turnLeft()
    GET_RID_OF()
    turtle.turnLeft()
    GET_NEW()
    turtle.turnLeft()
    while Fuel do
        if turtle.getFuelLevel() < 1000 then
            turtle.select(16)
            turtle.suck(1)
            turtle.drop()
        else
            Fuel = false
        end
    end
    turtle.turnLeft()
    GET_TO(reactornum)
    PUT_REACTOR(reactornum)
    GET_BACK(reactornum)
end
REACTOR_RENEW(2)