build.lua

Fuel=16
blocksused = 0
length = 8
clusters = 3
hight = 3
spacex=4
spacey=3 --for farm this would be 3 but its impo

function checkFuel()
    if turtle.getFuelLevel() < 400 then
        turtle.select(Fuel)
        turtle.refuel(5)
    end
end
function up(i) --turtle.up() 3 times, i times
    for j=1,i,1 do
        for k=1,spacey,1 do
            turtle.up()
        end
    end
end
function down(i)
    for j=1,i,1 do
        for k=1,spacey,1 do
            turtle.down()
        end
    end
end
function left(i)
    turtle.turnLeft()
    for j=1,i,1 do
        for k=1,spacex,1 do
            turtle.forward()
        end
    end
    turtle.turnRight()
end
function right(i)
    turtle.turnRight()
    for j=1,i,1 do
        for k=1,spacex,1 do
            turtle.forward()
        end
    end
    turtle.turnLeft()
end
function placeDirt(down)
    checkFuel()
    if blocksused/64 == 15 then --this checks if empty
        print("Refill me with dirt then press enter")
        temp = io.read()
        blocksused = 0
    end
    turtle.select((blocksused/64)+1)
    if down then turtle.placeDown()
    else turtle.place() end
    blocksused = blocksused+1
end
function rotate(i)
    for j=1,i,1 do
        turtle.turnLeft()
    end
end
function buildSegment()
    if not turtle.detectDown() then
        placeDirt(true)
    end
    rotate(1)
    placeDirt()
    rotate(2)
    placeDirt()
    rotate(1)
end
function buildLine()
    rotate(2)
    placeDirt() --make a stopper
    rotate(2)
    turtle.forward() --prepare to start
    for i=1,length,1 do
        buildSegment()
        if i==length then
            placeDirt()
            turtle.up()
            placeDirt()
            turtle.down() --stopper for farm
        else turtle.forward() end
    end
    rotate(2)
    while not turtle.detect() do
        turtle.forward()
    end
    turtle.up()
    placeDirt()
    turtle.down()
    rotate(2)
    placeDirt()
end
function firstLayer()
    rotate(2)
    placeDirt()
    rotate(2)
    for i=1,length,1 do
        turtle.forward()
        turtle.digDown()
    end
    turtle.place()
    rotate(2)
    while not turtle.detect() do
        turtle.forward()
    end
    rotate(2)
end
function buildCluster()
    for i=1,hight-1,1 do
        buildLine()
        if i==hight-1 then down(hight-2)
        else up(1) end
    end
end
--SETUP
print("how many clusters?")
print("small ~2-3, medium ~4-5,large ~6-7")
clusters = tonumber(io.read())
print("how long should the farm be?")
length = tonumber(io.read())
print("how tall?")
hight = tonumber(io.read())
print("fill all slots with dirt except slot 16\n fill slot 16 with fuel")
print("press enter to build")
temp = io.read()

--CODE STARTS HERE
for i=1,clusters,1 do
    firstLayer()
    right(1)
end
left(clusters)
up(1)
turtle.down()
for k=1,clusters,1 do
    buildCluster()
    if k==clusters then left(clusters-1)
    else right(1) end
end
down(1)
print("now add water and hoe the dirt and i'll be ready to farm")