InfiniteFarm

Fuel = 16
FARMHIGHT = 5
CLUSTERS = 3
-- Edit values above to suit your needs
function megaSuck()
    for b=1,3,1 do
        turtle.suck()
    end
end -- suck 3 times to avoid loss^
--Change these functions if your farm downst have the same spacing as mine
--You would be aiming to change the second number in the for loops of each function
function up()
    checkFuel()
    for l=1,3,1 do
        turtle.up()
    end
end
function right()
    turtle.turnRight()
    for o=1,4,1 do
        turtle.forward()
    end
    turtle.turnLeft()
end
function left()
    turtle.turnLeft()
    for p=1,4,1 do
        turtle.forward()
    end
    turtle.turnRight()
end
function down()
    for g=1,FARMHIGHT,1 do
        for h=1,3,1 do
            turtle.down()
        end
    end
end
    --DO NOT CHANGE THE REST
    --OF THE FUNCTIONS
    --UNLESS YOU KNOW WHAT YOU'RE DOING
function RTH()
    down()
    for m=1,CLUSTERS-1,1 do
        left()
    end
end
function dump()
    rotate(2)
    for d=CLUSTERS+1,15,1 do
        turtle.select(d)
        turtle.drop()
    end
    rotate(2)
end
function plant()
    turtle.select(ACTIVECROP)
    turtle.place()
end
function checkFuel()
    if turtle.getFuelLevel() < 300 then
        turtle.select(Fuel)
        turtle.refuel(5)
    end
end
function farm()
    turtle.dig()
    megaSuck()
    turtle.select(ACTIVECROP)
    turtle.place()
end
function rotate(times)
    for j=1 , times, 1 do
        turtle.turnLeft()
    end
end
function process()
    checkFuel()
    while true  do --When building keep in mind the implications of this while loop
        turtle.forward()
        turtle.turnLeft()--Facing crop
        if turtle.detect() then -- if crop found
            farm()
        else plant() end--if farmland is empty
        rotate(2)--face other crop
        if turtle.detect() then
            farm()
        else plant() end
        turtle.turnLeft()--prepares to move forward
        if turtle.detect() then break end --IF AT THE END
    end
    rotate(2) -- Turn Around
    while not turtle.detect() do -- go back also keep this loop in mind while building
        turtle.forward()
    end
    rotate(2)--Getting ready to proceed
end
function anothaOne(last)-- In charge of farming 1 cluster
    for b=1,FARMHIGHT,1 do--Y AXIS LOOP
        if last and b==FARMHIGHT then --If Last Line and Last cluster
            process()--Z Axis
            RTH()--Return To Home
        else if b==FARMHIGHT and not last then -- If last of the cluster but not the last cluster
            process()
            down()
        else -- could also be (else if not b==FARMHIGHT and not last then)
            process()
            up()
        end
    end
end
end --if someone could point out why this end needs to be here thatd be epic
    print("Put crops in the first " .. CLUSTERS .. " slots")
    print("Press Enter to continue")
    temp = io.read()
  --THIS IS WHERE THE CODE STARTS
for x=1,CLUSTERS,1 do --X Axis Loop
    ACTIVECROP = ((x+(CLUSTERS-1))%CLUSTERS)+1 --For the uninitiated the % returns the remainder so 7%3=1
    if x==CLUSTERS then --if last
        anothaOne(true)--one more then stop
        break
    else
    anothaOne()--Y Axis
    right() -- go right on X Axis
    end
end
dump() --Dump items at chest