branchmining

-- Variables
local tArgs = { ... }
distance = tonumber(tArgs[1])
distance = distance or 8
branchl = tonumber(tArgs[2])
branchl = branchl or 3
loops = tonumber(tArgs[3])
loops = loops or 2
ladder = tonumber(tArgs[4])
ladder = ladder or 0

-- checks if ladder is in slot 2 if param is set
function checkmaterials()
if ladder == 1 then
while turtle.getItemCount(2) <= 5*ladder do
print("Please put " .. 5*loops.. " ladder in slot 2")
sleep(5)
end
end
end
-- Functions --

--Fuels the turtle and waits for fuel if nothing left
function tFuel(amount)
if turtle.getItemCount(1) > 1 then
  if turtle.getFuelLevel() < 3 then
  turtle.select(1)
   turtle.refuel(amount)
   end
else
while turtle.getItemCount(1) < 1 do
   print "Out of fuel!"
   print "put fuel in slot 1"
   sleep(5)
end
end
end

-- move forward make sure there is no gravel stopping the turtle fuelcheck implemented here
local function moveForward()
                while turtle.detect() do
                turtle.dig()
                end
                moved = false
                while not(moved) do
                                moved = turtle.forward()
                end
                tFuel(1)
end

-- same like forward
function moveUp()
turtle.digUp()
moved = false
while not(moved) do
while turtle.detectUp() do
  turtle.digUp()
end
moved = turtle.up()
end
tFuel(1)
end

-- in case there is a mob or player better include notmoved
local function moveDown()
                for i = 1,5 do
                turtle.digDown()
                moved = false
                while not(moved) do
                                moved = turtle.down()
                end
                end
tFuel(1)
end

-- just cause im lazy for typing :D/>/>/>
local function digginUpnDown()
while turtle.detectUp() do
turtle.digUp()
end
turtle.digDown()
end

-- digs out the branch on both sides
local function digBranch()
for b = 1,branchl do
moveForward()
digginUpnDown()
end
turtle.turnLeft()
moveForward()
turtle.turnLeft()
digginUpnDown()
for b = 1,branchl do
moveForward()
digginUpnDown()
end
moveForward()
digginUpnDown()
for b = 1,branchl do
moveForward()
digginUpnDown()
end
turtle.turnLeft()
moveForward()
turtle.turnLeft()
digginUpnDown()
for b = 1,branchl do
moveForward()
digginUpnDown()
end
moveForward()
digginUpnDown()
end

-- dig the main Hall
local function digHall()
for h=0, distance do
moveForward()
digginUpnDown()
if h%4 == 0 then
turtle.turnRight()
digBranch()
turtle.turnLeft()
end
end
turtle.turnLeft()
moveForward()
turtle.turnLeft()
digginUpnDown()
for h=0,distance do
moveForward()
digginUpnDown()
end
turtle.turnLeft()
moveForward()
turtle.turnLeft()
digginUpnDown()
end

-- going up to starting point again
local function goback()
if ladder == 1 then
turtle.turnLeft()
turtle.turnLeft()
end

for i =1, loops*5+1 do
if ladder == 1 then
turtle.select(2)
turtle.dig()
turtle.place()
moveUp()
else
moveUp()
end
end
end

-- code excecution
print("Work, work!")
checkmaterials()
for i=1,loops do
tFuel(1)
moveDown()
digHall()
end
goback()