aWallBuilder

--{program="aWallBuilder",version="1.00",date="2024-05-12"}
-- Pastebin "6RTnhS9M"
---------------------------------------
-- Turtle-automated wall builder digger.
-- based on aTreeFarm by Kaikaku
-- v1.04b", date="2018-01-07
-- Pastebin Qn008fPa
---------------------------------------

---------------------------------------
---- PARAMETERS -----------------------
---------------------------------------
local cVer       ="1.00"
local cMaxFuel   = 20000
local cMinFuel   = cMaxFuel * 0.2
local cSleep     = 1         -- os.sleep value used to pace operation
local cSlotStart = 1
local cSlotLast  = 8

---------------------------------------
-- BASIC FUNCTIONS FOR TURTLE CONTROL -
---------------------------------------

-- calling with no parameter moves one block forward
local function safeForward(n)
  if n == nil
  then
    turtle.suck()
    while not turtle.forward() do os.sleep(cSleep) end
  else
    for i = 1, n do
      turtle.suck()
      while not turtle.forward() do os.sleep(cSleep) end
    end
  end
end

local function safeDig()     -- digs forward
  turtle.suck()
  os.sleep(cSleep)
  while turtle.detect()      -- might be digging into multilayered sand or gravel
  do
    turtle.dig()
    os.sleep(cSleep)         -- allow blocks to fall
  end
end

local function safeDigDown()
  turtle.suckDown()          -- might be a sapling or stick
  os.sleep(cSleep)
  turtle.digDown()           -- might not be anything to dig
end

local function safeDigUp()
  turtle.suckUp()            -- remove drek on top
  os.sleep(cSleep)
  turtle.digUp()             -- might not be anything to dig
end

local function turtleReverse()
    turtle.turnRight()
    turtle.turnRight()
end

---------------------------------------
---- functions ------------------------
---------------------------------------
-- wait for enter to be pressed
local function waitEnter()
  write("Press enter to start:")
  read()
end

-- check fuel in turtle, attempt to replenish if low
local function checkRefuel()
  if turtle.getFuelLevel() < cMaxFuel * 0.8
  then
      print("Fuel level is low, "..turtle.getFuelLevel()..".")
    print("Use refuel all command.")
      craftFuel()
  else
    print("Fuel level ok, "..turtle.getFuelLevel()..".")
  end
end

local function oneBrick(brickSlot)
    turtle.select(brickSlot)
    turtle.place()
end

---------------------------------------
---- Build a slice of the wall --------
---------------------------------------
local function oneWall()
    turtle.forward()               -- move to next wall and face building
    turtleReverse()

    for i = 1, 5                   -- move to top of wall
    do
        turtle.up()
    end
    oneBrick(cSlotStart)           -- walkway
    turtle.turnRight()
    turtle.forward()
    turtle.turnLeft()

    turtle.up()                    -- rampart #1
    turtle.select(cSlotLast + 1)
    turtle.place()                 -- block to place against
    turtle.down()
    turtle.down()
    turtle.forward()
    turtle.turnLeft()    -- orient
    turtle.select(cSlotStart + 1)
    turtle.placeUp()                --rampart
    turtle.turnRight()   -- orient
    turtleReverse()
    turtle.forward()
    turtle.up()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()

    turtle.up()                        -- rampart #2
    turtle.select(cSlotLast + 2)
    turtle.place()                     -- block to place against
    turtle.down()
    turtle.down()
    turtle.forward()
    turtle.turnRight()   -- orient
    turtle.select(cSlotStart + 2)
    turtle.placeUp()                   --rampart
    turtle.turnLeft()    -- orient
    turtleReverse()
    turtle.forward()
    turtle.up()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()

    for i = cSlotStart + 3, cSlotLast
    do
        turtle.down()
        oneBrick(i)
    end

    turtleReverse()                    -- ready for next wall segment
end

---------------------------------------
---- main -----------------------------
---------------------------------------
turtle.select(cSlotStart)
term.clear()
term.setCursorPos(1,1)
if turtle.getFuelLevel() < cMinFuel
then
      print("Fuel level "..turtle.getFuelLevel().." is too low.")
    print("Use command \"refuel all\" with 4 stacks of planks.")     -- need to add fuel
    return
end

print("+-------------------------------------+")
print("| aWallBuilder "..cVer..", by NortWind        |")
print("+-------------------------------------+")
print("| Materials for auto set-up:          |")
print("|   slot 1:    wood for walkway       |")
print("|   slot 2,3:  starways for ramparts  |")
print("|   slot 4-8:  blocks for walls       |")
print("|   slot 9-10: fence for rampart tops | ")
print("| slot 1 count determines wall lenght |")
print("+-------------------------------------+")
waitEnter()

while turtle.getItemCount(cSlotStart) > 0
do
  oneWall()
  os.sleep(cSleep)
end