Deh Turtle Cat AI

--]] Turtle Cat AI By: Redxone [[--

--]] First, lets make a movement table [[--
local movements = {

    turtle.forward,
    turtle.back,
    turtle.turnLeft,
    turtle.turnRight,
}

local exceptions = {

    "minecraft:stone_brick_stairs",
    "minecraft:oak_stairs",
    "minecraft:stone_stairs",
    "minecraft:brick_stairs",
    "minecraft:red_sandstone_stairs",
    "minecraft:nether_brick_stairs",
    "minecraft:sandstone_stairs",
    "minecraft:spruce_stairs",
    "minecraft:birch_stairs",
    "minecraft:jungle_stairs",
    "minecraft:quartz_stairs",
    "minecraft:acacia_stairs",
    "minecraft:dark_oak_stairs",

}

--]] usefull functions [[--

function move()
    local dir = math.random(1,#movements)


    bl = {turtle.inspect()}
    local ex = false

    if(bl[1])then
        for i=1, #exceptions do
            if(bl[2] == exceptions[i])then
                ex=true
                turtle.up()
                turtle.forward()
            end
        end
    end

    if(not ex and turtle.detect())then
        turtle.turnLeft()
        turtle.turnLeft()
        turtle.forward()
    end

        if(not turtle.detectUp() and turtle.detectDown() and ex)then
            turtle.up()
        else
            if(not turtle.detectDown())then turtle.down() end
        end
    if(turtle.detectDown() and not ex)then movements[dir]() end
    sleep(math.random(0.05,0.3))
end

function brain()
    while true do
        sleep(0.05)
        move()
    end
end
brain()