MineBot

-- Variables

local torchslot = 14
local fuelslot = 16
local woodslot = 13
local chestslot =15
local torch = 0
local chest = 0
local targs = { ... }
steps = tonumber(targs[1])
steps = steps or 1
local fuelneeded = 0
local torchesneeded = 0
local chestneeded = 0
local torchesgot = turtle.getItemCount(torchslot)
local chestgot = turtle.getItemCount(torchslot)
local fuellevel = 0

-- Functions

function digBlock()
        repeat
                turtle.dig()
                sleep(0.5)
        until not turtle.detect() == true
end

fuellevel = turtle.getFuelLevel()
torchesgot = turtle.getItemCount(torchslot)
chestgot = turtle.getItemCount(torchslot)

-- Math

fuelneeded = steps*5
fuelneeded = fuelneeded+steps
if steps > 40 then
        torchesneeded = steps/10
        chestneeded = steps/30
else
        torchesneeded = 0
        chestneeded = 0
end

-- Welcome messages
print(" ****************************")
print(" *  MineBot By BlackApple   *")
print(" ****************************")
print(" *-=  Distance to mine:   ", steps)
print(" *-=  Fuel needed:        ", fuelneeded)
print(" *-=  Fuel level:         ", fuellevel)
print(" *-=  Torches needed:      ", torchesneeded)
print(" *-=  Torch level:        ", torchesgot)
print(" *-=  Chest needed:     ", chestneeded)
print(" *-=  Torches Level:        ", chestgot)
print(" ****************************")
-- Resource Acquiring

if fuellevel < fuelneeded then
        print("  !! insert fuel in slot ", fuelslot)
        repeat
                sleep(0.5)
                turtle.select(fuelslot)
                turtle.refuel()
                fuellevel = turtle.getFuelLevel()
        until fuellevel > fuelneeded
end

if chestgot < chestneeded then
        print("  !! insert chests in slot ", chestslot)
        repeat
                sleep(0.5)
                turtle.select(chestslot)
                chestgot= turtle.getItemCount(chestslot)
        until chestgot >= chestneeded
end

if torchesgot < torchesneeded then
        print("  !! insert torches in slot ", torchslot)
        repeat
                sleep(0.5)
                turtle.select(torchslot)
                torchesgot = turtle.getItemCount(torchslot)
        until torchesgot >= torchesneeded
end

print("Resources acquired. Beginning mining...")
stopdigging = 0


-- Begin Digging


for i = 1, steps do
        digBlock()
        turtle.forward()
        turtle.select(1)
        turtle.placeDown()
        repeat
                turtle.digUp()
                sleep(0.3)
        until turtle.up() == true
        repeat
                turtle.digUp()
                sleep(0.3)
        until turtle.up() == true
        turtle.turnLeft()
        turtle.dig()
        turtle.turnRight()
        turtle.turnRight()
        turtle.dig()
        turtle.down()
        turtle.dig()
        turtle.turnLeft()
        turtle.turnLeft()
        turtle.dig()
        turtle.down()
        digBlock()
        turtle.turnRight()
        turtle.turnRight()
        digBlock()
        turtle.turnLeft()
        torch = torch + 1
        if torch == 10 then
                turtle.turnLeft()
                turtle.turnLeft()
                turtle.select(torchslot)
                turtle.place()
                turtle.turnLeft()
                turtle.turnLeft()
                turtle.forward()
                turtle.select(woodslot)
                torch = 1
        end
        chest = chest + 1
        if chest == 30 then
                turtle.turnLeft()
                turtle.select(chestslot)
                turtle.place()
                for q=1,12 do turtle.select(q) turtle.drop() end
                turtle.turnRight()
                turtle.select(woodslot)
                chest = 1

        end
end
turtle.turnLeft()
turtle.turnLeft()
turtle.up()
for i = 1, steps do
        turtle.forward()
end
turtle.down()
turtle.turnLeft()
turtle.turnLeft()