Quarry

local taille = 64
local check = false
local x = 0
local y = 0
local z = 0
local slot = 0

function checkpos()
 turtle.select(16)
 check = false
 if turtle.compareDown() == true then
  while check == false do
   if turtle.compare() == true then
    check = true
    print("Demarrage en cours...")
    return true
   else
    turtle.turnRight()
   end
  end
 else
  print("Erreur de placement!!!")
  return false
 end
end

function checkreserve(niveau)
 if niveau <= 5 then
  turtle.refuel(1)
 end
end

function checkitem()
 if turtle.getItemCount(15) >= 1 then
  return false
 else
  return true
 end
end

function coffre()
 slot = 1
 while slot <= 15 do
  turtle.select(slot)
  if turtle.getItemCount(slot) > 0 then
   if turtle.drop() == true then
    turtle.drop()
   else
    print("Depot plein")
    turtle.shutdown()
   end
  end
  slot = slot + 1
 end
 turtle.select(1)
 turtle.suckDown()
 if turtle.getItemCount(1) >= 20 then
  print("Depot effectue.")
 else
  print("Manque de combustible!!!")
  turtle.shutdown()
 end
end

function positionnement()
 turtle.turnRight()
 turtle.turnRight()
 turtle.dig()
 turtle.forward()
end

function retour(i, j, k)
 while k > 0 do
  turtle.up()
  k = k - 1
  checkreserve(turtle.getFuelLevel())
 end
 turtle.turnRight()
 while i > 0 do
  turtle.forward()
  i = i - 1
  checkreserve(turtle.getFuelLevel())
 end
 turtle.turnLeft()
 while j >= 0 do
  turtle.forward()
  j = j - 1
  checkreserve(turtle.getFuelLevel())
 end
end

function fonctionnement(i, j, k, x, y)
 k = 0
 while j > 0 do
  turtle.dig()
  turtle.forward()
  j = j - 1
  checkreserve(turtle.getFuelLevel())
  if checkitem() == false then
   retour(x, y, k)
   return false
  end
 end
 turtle.turnRight()
 while i > 0 do
  turtle.dig()
  turtle.forward()
  i = i - 1
  checkreserve(turtle.getFuelLevel())
  if checkitem() == false then
   retour(x, y, k)
   return false
  end
 end
 turtle.turnRight()
 turtle.digDown()
 while turtle.down() == true do
  turtle.digDown()
  k = k + 1
  checkreserve(turtle.getFuelLevel())
  if checkitem() == false then
   retour(x, y, k)
   return false
  end
 end
 retour(x, y, k)
 return true
end


turtle.refuel(1)
while x < taille do
 while y < taille do
  if checkpos() == true then
   coffre()
   positionnement()
   if fonctionnement(x, y, z, x, y) == true then
    y = y + 1
   end
  else
   print("Arrêt imprevu de la quarry")
   turtle.shutdown()
  end
 end
 y = 0
 x = x + 1
end
print("Fin normale du travail de la quarry")