fullFarm

local currentDirection = nil

function getCurrentDirection()
    local tp1X, tp1Y, tp1Z = gps.locate()
    turtle.forward()
    local tp2X, tp2Y, tp2Z = gps.locate()
    turtle.back()

    if (tp1X == tp2X)
    then
        if (tp1Z < tp2Z)
        then
            currentDirection = "South"
        else
            currentDirection = "North"
        end
    else
        if (tp1X < tp2X)
        then
            currentDirection = "East"
        else
            currentDirection = "West"
        end
    end
end

function turnLeft()
    if (currentDirection == "North")
    then
        currentDirection = "West"
    elseif (currentDirection == "West")
    then
        currentDirection = "South"
    elseif (currentDirection == "South")
    then
        currentDirection = "East"
    else
        currentDirection = "North"
    end
    turtle.turnLeft()
end

function turnRight()
    if (currentDirection == "North")
    then
        currentDirection = "East"
    elseif (currentDirection == "East")
    then
        currentDirection = "South"
    elseif (currentDirection == "South")
    then
        currentDirection = "West"
    else
        currentDirection = "North"
    end
    turtle.turnRight()
end

function gotoPoint(dp)
    dpX = dp.x
    dpY = dp.y
    dpZ = dp.z
    local clX, clY, clZ = gps.locate()

    while (clY ~= dpY)
    do
        if (clY > dpY)
        then
            turtle.down()
        else
            turtle.up()
        end
        clX, clY, clZ = gps.locate()
    end

    while (clX ~= dpX)
    do
        if (clX > dpX)
        then
            while (currentDirection ~= "West")
            do
                turnLeft()
            end
        else
            while (currentDirection ~= "East")
            do
                turnLeft()
            end
        end
        turtle.forward()
        clX, clY, clZ = gps.locate()
    end

    while (clZ ~= dpZ)
    do
        if (clZ > dpZ)
        then
            while (currentDirection ~= "North")
            do
                turnLeft()
            end
        else
            while (currentDirection ~= "South")
            do
                turnLeft()
            end
        end
        turtle.forward()
        clX, clY, clZ = gps.locate()
    end
end

local home = {
    x = -1437,
    y = -53,
    z = -399
}

local sp1 = {
    x = -1438,
    y = -53,
    z = -399
}

local wheatField1Start = {
    x = -1438,
    y = -56,
    z = -398
}

local wheatField2Start = {
    x = -1446,
    y = -56,
    z = -400
}

local potatoField1Start = {
    x = -1448,
    y = -56,
    z = -398
}

local potatoField2Start = {
    x = -1456,
    y = -56,
    z = -400
}

local carrotField1Start = {
    x = -1458,
    y = -56,
    z = -398
}

local carrotField2Start = {
    x = -1466,
    y = -56,
    z = -400
}

getCurrentDirection()

turnRight()
local wheatChest = peripheral.wrap("front")
local wheatInfo = wheatChest.getItemDetail(wheatChest.size())

if (wheatInfo == nil or wheatInfo.count ~= 64)
then
    turtle.suck()
    turnLeft()
    gotoPoint(sp1)
    gotoPoint(wheatField1Start)
    shell.run("farm")
    gotoPoint(wheatField2Start)
    shell.run("farm")
    gotoPoint(wheatField1Start)
    gotoPoint(sp1)
    gotoPoint(home)
    turnLeft()

    local index = 0
    while (index < 16)
    do
        turtle.select(index + 1)
        turtle.drop()
        index = index + 1
    end
    turtle.select(1)
    turnLeft()
else
    turnLeft()
end

turnLeft()
local potatoChest = peripheral.wrap("front")
local potatoInfo = potatoChest.getItemDetail(potatoChest.size())
if (potatoInfo == nil or potatoInfo.count ~= 64)
then
    turtle.suck()
    turnRight()

    gotoPoint(sp1)
    gotoPoint(wheatField1Start)
    gotoPoint(potatoField1Start)
    turnLeft()
    shell.run("farm")
    gotoPoint(potatoField2Start)
    shell.run("farm")
    gotoPoint(potatoField1Start)
    gotoPoint(wheatField1Start)
    gotoPoint(sp1)
    gotoPoint(home)
    turnRight()

    index = 0
    while (index < 16)
    do
        turtle.select(index + 1)
        turtle.drop()
        index = index + 1
    end
    turtle.select(1)
    turnRight()
else
    turnRight()
end
turtle.up()
turnRight()
local carrotChest = peripheral.wrap("front")
local carrotInfo = carrotChest.getItemDetail(carrotChest.size())
if (carrotInfo == nil or carrotInfo.count ~= 64)
then
    turtle.suck()
    turnLeft()
    turtle.down()
    gotoPoint(sp1)
    gotoPoint(wheatField1Start)
    gotoPoint(carrotField1Start)
    turnLeft()
    shell.run("farm")
    gotoPoint(carrotField2Start )
    shell.run("farm")
    gotoPoint(carrotField1Start)
    gotoPoint(wheatField1Start)
    gotoPoint(sp1)
    gotoPoint(home)
    turnLeft()
    turtle.up()

    index = 0
    while (index < 16)
    do
        turtle.select(index + 1)
        turtle.drop()
        index = index + 1
    end
    turtle.select(1)
    turnLeft()
    turtle.down()
else
    turnLeft()
    turtle.down()
end