SkyTurtle - Chest Test

-- Chests in slot 1, fuel in slot 2
local IgnoreSlots = 2
local fuelIndex = 2


local DepthIntoGrid = 0
local DepthTarget = 120

local mov = {}
local rot = {}
local dig = {}

local function Refuel()
        currentFuelRequired = (10 + (DepthTarget-DepthIntoGrid)*2)/20
        if turtle.getFuelLevel() < currentFuelRequired then
                turtle.select(fuelIndex)
                return turtle.refuel(currentFuelRequired)
        else
                return true
        end
end

mov.forward = function(times)
        local boolean v = false
        for i=1,times do
                if turtle.detect() == false then
                        while not turtle.forward() do
                                Refuel()
                                sleep(1)
                        end
                        v = true
                else
                        v = false
                        return v
                end
        end
        return v
end

mov.back = function(times)
        local boolean v = false
        for i=1,times do
                while not turtle.back() do
                        Refuel()
                        sleep(1)
                end
                v = true
        end
        return v
end

mov.up = function(times)
    print("In mov.up")
    local boolean v = false
    for i=1,times do
        if turtle.detectUp() == false then
            while turtle.up() == false do
                Refuel()
                sleep(1)
            end
            v = true
        else
            v = false
            print("Out mov.up")
            return v
        end
    end
    print("Out mov.up")
    return v
end

mov.down = function(times)
    print("In mov.down")
    local boolean v = false
    for i=1,times do
        if turtle.detectDown() == false then
            while turtle.down() == false do
                    Refuel()
                    sleep(1)
            end
            v = true
        else
            print("Out mov.down")
            v = false
            return v
        end
    end
    print("Out mov.down")
    return v
end

mov.place = function()
    while not turtle.place() do
          sleep(1)
    end
    return true
end

rot.right = function()
    while not turtle.turnRight() do
            sleep(1)
    end
    return true
end

rot.left = function()
    while not turtle.turnLeft() do
            sleep(1)
    end
    return true
end

dig.forward = function()
    print("In dig.forward")
        if turtle.detect() then
                while not turtle.dig() do
                                sleep(1)
                end
    print("Out dig.forward")
                return true
        else
                print("No Block to mine forward")
    print("Out dig.forward")
                return false
        end
end

dig.up = function()
    print("In dig.up")
        if turtle.detectUp() then
                while not turtle.digUp() do
                                sleep(1)
                end
    print("Out dig.up")
                return true
        else
                print("No Block to mine up")
    print("Out dig.up")
                return false
        end
end

dig.down = function()
    print("In dig.down")
        if turtle.detectDown() then
                while not turtle.digDown() do
                                sleep(1)
                end
    print("Out dig.down")
                return true
        else
                print("No Block to mine down")
    print("Out dig.down")
                return false
        end
end

local function DigMoveForward()
    print("In DigMoveForward")
        if mov.forward(1) == false then
                dig.forward()
                sleep(0.5)
                DigMoveForward()
        end
    print("Out DigMoveForward")
end

local function DigMoveUp()
    print("In DigMoveUp")
        while mov.up(1) == false do
                dig.up()
                sleep(0.5)
        end
    print("Out DigMoveUp")
end

local function DigMoveDown()
    print("In DigMoveDown")
        while mov.down(1) == false do
                dig.down()
                sleep(0.5)
        end
    print("Out DigMoveDown")
end

local function ReturnBack()
    print("In ReturnBack")
    turtle.select(1)
    while not turtle.compareUp() do
        DigMoveUp()
    end
    print("Out ReturnBack")
end

local function CheckRefuel()
    if Refuel() == false then
        print("***Out of fuel***")
        ReturnBack()
        while Refuel() do

        end
        for i=1,DepthIntoGrid do
            DigMoveDown()
        end
    end
end

local function DepositChest()
    print("In DepositChest")
    turtle.select(1)
    if not turtle.compareUp() then
        print("ERROR: Should be below chest.")
    print("Out DepositChest")
        return
    end

    print("Depositing the Load...")
    for i = IgnoreSlots + 1,16 do
            turtle.select(i)
            turtle.dropUp()
    end
    print("Out DepositChest")
end

local function InventoryFull()
    print("In InventoryFull")
    SlotsFull = 0
    for i=1,16 do
            if turtle.getItemCount(i) > 0 then
                    SlotsFull = SlotsFull + 1
            end
    end

    if SlotsFull == 16 then
    print("Out InventoryFull")
            return true;
    else
    print("Out InventoryFull")
            return false;
    end
end

local function CheckInventory()
    if InventoryFull() then
        print("***Inventory Full***")
        ReturnBack()
        DepositChest()
        for i=1,DepthIntoGrid do
            DigMoveDown()
        end
    end
end

local function Harvest()
    while turtle.suck() == true do
        CheckInventory()
    end

    dig.forward()
end

local function Advance()
    DigMoveDown()
    DepthIntoGrid = DepthIntoGrid + 1
    BlocksTillEnd = DepthTarget - DepthIntoGrid
end

local function Finish()
    print("In Finish")
    ReturnBack()
    DepositChest()
    DigMoveForward()
    DigMoveForward()
    DigMoveForward()
    DigMoveForward()
    print("Out Finish")
end

function StartMining()
    print("In StartMining")

    BlocksTillEnd = DepthTarget - DepthIntoGrid

    while BlocksTillEnd > 0 do

        CheckRefuel()
        CheckInventory()
        Harvest()

        for i=1,4 do
            Advance()
        end

        print("Depth: ")
        print(DepthIntoGrid)
    end

    Harvest()
    Finish()

    print("Out StartMining")
end


-- MAIN PROGRAM
local FuelCount = turtle.getItemCount(fuelIndex)

if FuelCount == 0 then
    print("please put fuel in the last slot of the Turtle.")
    return
else
    if FuelCount < 10 then
        print("Please put at least 10 of the fuel you are using in the Turtle.")
        return
    end
end

Refuel()
turtle.select(1)
turtle.placeUp()
StartMining()