quarry

xcoord = 293
zcoord = -111
ycoord = 20

orient = 4
orients = {"north","east","south","west"}

zdiff = {-1,0,1,0}

xdiff = {1,0,-1,0}

function left()
  orient = orient - 1
  orient = (orient - 1) %4
  orient = orient + 1
  turtle.turnLeft()
end

function right()
  orient = orient - 1
  orient = (orient + 1)%4
  orient = orient +1
  turtle.turnRight()
end

function moveForward()
  xcoord = xcoord + xdiff[orient]
  zcoord = zcoord + zdiff[orient]
  turtle.dig()
  moved = false
  while not(moved) do
    moved = turtle.forward()
    print("I tried to move")
  end
  print("I moved. Now go fuck yourself.")
end

function moveUp()
  ycoord = ycoord + 1
  turtle.digUp()
  moved = false
  while not(moved) do
    moved = turtle.up()
  end
end

function moveDown()
  ycoord = ycoord - 1
  turtle.digDown()
  moved = false
  while not(moved) do
    moved = turtle.down()
  end
end
function look(direction)
  while direction ~= orients[orient] do
    right()
  end
end
function goto(xTarget,zTarget,yTarget)
  while yTarget > ycoord do
    moveDown()
  end
  while yTarget < ycoord do
    moveUp()
  end
  if xTarget < xcoord then
    look{"west"}
    while xTarget < xcoord do
      moveForward()
    end
  end
  if xTarget > xcoord then
    look{"east"}
    while xTarget > xcoord do
      moveForward()
    end
  end
  if zTarget < zcoord then
    look{"north"}
    while zTarget < zcoord do
      moveForward()
    end
  end
  if zTarget > zcoord then
    look{"south"}
    while zTarget < zcoord do
      moveForward()
    end
  end
end
goto(263,-104, 21)
print(look)
look("south")