bridge5

-- WIP
function file_exists(name)
  local f=fs.open(name,"r")
  if f~=nil then f.close(f) return true else return false end --f.close(f) muss direkt auf das Handle angewandt werden.
end

lengthX = 3
lengthY = 3
lengthZ = 3
step = 0

matFloor = "minecraft:cobblestone"
matWall = "minecraft:cobblestone"
matFuel = "minecraft:coal"
matFuelSlot = 1
matFloorCount = 0 --counter, not realy used
matFloorSlot = 2  --active slot for floor material
matWallCount = 0  --counter, not realy used
matWallSlot = 3   -- active slot for wall material
matFloorSlotCount = 0
matWallSlotCount = 0

if file_exists("myf") == true then
  os.loadAPI("myf")
else
  print("Missing functions: please download from pastebin 6P9Bjq2p as myf")
  return
end

print("Please enter the slot number for each item. (The numbers start with 1)")
print("Slot for fuel:")
matFuelSlot=tonumber(read())
print("Slot for floor:")
matFloorSlot=tonumber(read())
print("Slot for wall:")
matWallSlot=tonumber(read())

-- input values for X, Y, Z
print("Set X("..lengthX.."):")
lengthX=tonumber(read())
print("Set Y("..lengthY.."):")
lengthY=tonumber(read())
print("Set Z("..lengthZ.."):")
lengthZ=tonumber(read())

function invCheck()
  if turtle.getItemDetail(matFloorSlot) ~= nil then
    matFloor = turtle.getItemDetail(matFloorSlot)
  else
    print("No floor material in slot "..matFloorSlot)
  end

  if turtle.getItemDetail(matFloorSlot) ~= nil then
    matWall  = turtle.getItemDetail(matWallSlot)
  else
    print("No wall material in slot "..matWallSlot)
  end

  if turtle.getItemDetail(matFloorSlot) ~= nil then
    matFuel = turtle.getItemDetail(matFuelSlot)
  else
    print("No fuel in slot "..matFuelSlot)
  end


  return matWall, matFloor, matFuel
end

function fuelCheck()
    if turtle.getFuelLevel() < 80 then
      print("Fuel level is low: "..turtle.getFuelLevel())
      if turtle.getItemCount(matFuelSlot) >=1 then
        turtle.select(matFuelSlot)
        turtle.refuel(1)
      else
        print("low on fuel")
        os.shutdown()
      end
    else
      print("Fuel level is ok: "..turtle.getFuelLevel())
    end
end

function matCount()
  -- check each inventory slot for wall or floor material and add it to its counter
  for i=1,16 do
    if turtle.getItemDetail(i) ~= nil then
      if turtle.getItemDetail(i).name == matFloor.name then
        matFloorCount = matFloorCount + turtle.getItemCount(i)
      end
      if turtle.getItemDetail(i).name == matWall.name then
        matWallCount = matWallCount + turtle.getItemCount(i)
      end
    end
  end
  return matFloorCount, matWallCount
end

function matSlot(itemName)

  -- select a inventory slot for item name
  for i=1,16 do
    if turtle.getItemDetail(i) ~= nil then
      if turtle.getItemDetail(i).name == itemName then
        return i
      end
    end
  end

--  if slotNr == nil then
--    print ("oops, no " .. itemName .. " left in inventory")
--    err = true
--    return
--  end
end


function report()
  print ("Selected floor material: "..matFloor.name)
  print ("Number of floor material: "..matFloorCount)
  print ("Number of floor material in active slot: "..matFloorSlotCount)
  print ("Selected wall material: "..matWall.name)
  print ("Number of wall material: "..matWallCount)
  print ("Number of wall material in slot ".. ": "..matWallSlotCount)
  print ("Fuel level is: "..turtle.getFuelLevel())
end

function xLineStep()
  -- bottom line, but only if floor material is set
  if (_y == _yMin) and (matFloor ~= nil) then
    matFloorSlot = matSlot(matFloor.name)
    myf.tpd(matFloorSlot)
  end
  -- top line, but only if floor material is set
  if (_y == _yMax) and (matFloor ~= nil) then
    matFloorSlot = matSlot(matFloor.name)
    myf.tpu(matFloorSlot)
  end
end


function xLine(_yMin,_yMax,_y)
  local x = 1
  myf.ttl()
  -- if walls have a matieral
  if matWall ~= nil then
    matWallSlot = matSlot(matWall.name)
    myf.tpf(matWallSlot)
  end
  myf.ttr()
  myf.ttr()
  xLineStep()
  while x <= lengthX do
    myf.tmf()
    xLineStep()
    x = x + 1
  end

  if matWall ~= nil then
    matWallSlot = matSlot(matWall.name)
    myf.tpf(matWallSlot)
  end


  -- hier geht es weiter !!!!!!!!!

end


function xLineBottom()
  print("starting bottom Line")
  local x = 1
  myf.ttl()
  myf.tpf(matWallSlot)
  matWallSlot = matSlot(matWall.name)
  myf.ttr()
  myf.ttr()
  print("starting x-line")
  myf.tpd(matFloorSlot)
  while x < lengthX do
    print("x-line forward")
    myf.tmf()
    print("x-line place down")
    myf.tpd(matFloorSlot)
    matFloorSlot = matSlot(matFloor.name)
    x = x + 1
  end
  myf.tpd(matFloorSlot)
  matFloorSlot = matSlot(matFloor.name)
  myf.tpf(matWallSlot)
  matWallSlot = matSlot(matWall.name)
  myf.goback(lengthX-1)
  myf.ttr()
  x = nil
end

function xLineMiddle()
  -- X not top, not bottom line
  print("starting not bottom, not top Line")
  local x = 1
  myf.ttl()
  myf.tpf(matWallSlot)
  matWallSlot = matSlot(matWall.name)
  myf.ttr()
  myf.ttr()
  while x < lengthX do
    myf.tmf()
    x = x + 1
  end
  myf.tpf(matWallSlot)
  matWallSlot = matSlot(matWall.name)
  myf.goback(lengthX - 1)
  myf.ttr()
  x = nil
end

function xLineTop()
  print("starting top Line")
  local x = 1
  myf.ttl()
  myf.tpf(matWallSlot)
  matWallSlot = matSlot(matWall.name)
  myf.ttr()
  myf.ttr()
  print("starting x-line")
  while x < lengthX do
    print("x-line place up")
    myf.tpu(matFloorSlot)
    matFloorSlot = matSlot(matFloor.name)
    print("x-line forward")
    myf.tmf()
    x = x + 1
  end
  myf.tpu(matFloorSlot)
  matFloorSlot = matSlot(matFloor.name)
  myf.tpf(matWallSlot)
  myf.goback(lengthX-1)
  myf.ttr()
  x = nil
end


function yLine()
  -- the Y-line
  local y = 1
  while y <= lengthY do
    fuelCheck()
    if y == 1 then
      -- X bottom line
      xLineBottom()
    elseif y == lengthY then
      -- X top line
      xLineTop()
    else
      xLineMiddle()
    end

    if y < lengthY then
      myf.tmu()
    end

    y = y + 1

  end
  print("go down "..y-1)
  myf.godown(y-1)


end


function doWork()
  invCheck()
  matCount()
  fuelCheck()

  -- number of items in selected material slot
  matFloorSlotCount = turtle.getItemCount(matSlot(matFloor.name))
  matWallSlotCount = turtle.getItemCount(matSlot(matWall.name))

  report()

  -- the Z line
  local z = 1
  while z <= lengthZ do
    fuelCheck()

    if z <= lengthZ then
      yLine()
      myf.tmf()
    end

    z = z + 1

  end
  print("go back "..z-1)
  myf.goback(z-1)






end


doWork()