go2

xCoord = 207
zCoord = 323
yCoord = 65

mineStop = 5

xHome = xCoord
zHome = zCoord
yHome = yCoord

yTunnelTravel = 20
yQuarryTravel = 80


woodAmount = 10
coalAmount = 0
MinFuel = 5

oreslots = {}
curOreslot = 0


orientation = 1
orientations = {"north", "east", "south", "west"}

xCont = {}
zCont = {}
yCont = {}

xChange = {0,1,0,-1}
zChange = {-1,0,1,0}
direction = orientations[orientation]

lines = 10
lineLength = 10

lineLength = lineLength - 1

xQuarry = 999
zQuarry = 999
yQuarry = 999

xTunnel = 999
zTunnel = 999
yTunnel = 20

xTarget = 999
zTarget = 999
yTarget = 20

tunnelFinish = 50
yMin = yCoord

function face(direction)
 while direction ~= orientations[orientation] do
  right()
 end
end

function left()
 orientation = orientation - 1
 orientation = (orientation - 1) % 4
 orientation = orientation + 1

 turtle.turnLeft()
end

function right()
 orientation = orientation - 1
 orientation = (orientation + 1) % 4
 orientation = orientation + 1

 turtle.turnRight()
end

function moveForward()
 addCoal = turtle.compare()
 if addCoal then coalAmount = coalAmount + 1
 end
  xCoord = xCoord + xChange[orientation]
  zCoord = zCoord + zChange[orientation]

 moved = false

while not(moved) do
 turtle.dig()
 moved = turtle.forward()
 end
end

function moveUp()
 yCoord = yCoord + 1

 moved = false
 while not(moved) do
 turtle.digUp()
 moved = turtle.up()
 end
end

function moveDown()
 yCoord = yCoord - 1

 moved = false
 while not(moved) do
 turtle.digDown()
 moved = turtle.down()

 if yMin > yCoord then
 yMin = yCoord
  end
 end
end

function goto(xTarget, zTarget, yTarget)

 while yTarget < yCoord do
  moveDown()
 end

 while yTarget > yCoord do
  moveUp()
 end

 while xTarget < xCoord do
  face("west")

moveForward()
 end

 while xTarget > xCoord do
  face("east")
 moveForward()
 end

 while zTarget < zCoord do
  face("north")
 moveForward()
 end

 while zTarget > zCoord do
  face("south")
 moveForward()

  end

 end

function digline()
 for i = 1,lineLength do
  moveForward()
 end

 inventoryFull()

 checkFuel()

 if full then
  returnItems()

 end
end

function digLayer()
 for i = 1,lines do
 digline()

  if (i%2) == 1 and i < lines then
   left()
   moveForward()
   left()

  elseif i < lines then
   right()
   moveForward()
   right()
  end
 end

 goto(xQuarry,zQuarry,yCoord)
 face("north")
 moveDown()
end

function checkFuel()

 print("Checking Fuel")

 needFuel = turtle.getFuelLevel() < MinFuel

 if needFuel then
  turtle.select(16)
  turtle.refuel(woodAmount - 10)
  woodAmount = woodAmount - woodAmount + 10
 end

end

function goHome()
 print("returning home")
 goto(xHome,zHome,yQuarryTravel)
 goto(xHome,zHome,yHome)
 face("west")

end

function returnItems()
 goHome()
 face("north")
 for i = 2,16 do
  turtle.select(i)
  turtle.drop()
 end
turtle.select(1)
end


function digQuarry(xTarget,zTarget,yTarget)

checkFuel()

 xQuarry = xTarget
 zQuarry = zTarget
 yQuarry = yTarget

 goto(xQuarry,zQuarry,yQuarryTravel)

 goto(xQuarry,zQuarry,yQuarry)
 face("north")

 while yMin > 7 do
  digLayer()
 end

 goto(xHome,zHome,yTravel)
 goto(xHome,zHome,yHome)
end

function digLayerT()
moveForward()
left()
turtle.dig()
moveUp()
turtle.dig()
right()
right()
turtle.dig()
moveDown()
turtle.dig()
left()

end

function digTunnel(xTarget,zTarget,yTarget)

 term.write("How Far:")
 tunnelFinish = read()

 print("Tunnelling")

 checkFuel()

 print("Fuel Check Done")

 xTunnel = xTarget
 zTunnel = zTarget
 yTunnel = yTarget

 goto(xTunnel,zTunnel,yTunnel)
 face("west")

 for i = 1,tunnelFinish do
  digLayerT()
 end

end

function checkAir()
 air= false
 moved = false
 moved = turtle.forward()

 if moved then
  turtle.back()
  air = true
  return
 end
end

function checkOre()

 trashSlots = 3

 for t = 1,4 do
  ore = true

  for i = 1,trashSlots do
   turtle.select(i)
   if turtle.compare() then
    ore = false
   end
  end


  if ore then
  checkAir()
   if air then
    ore = false
   end
  end

  if ore then


   return
  end



  right()
  end
 end



function checkSameOre()
 same = false

 for t = 1,4 do
  turtle.select(oreslots[curOreslot])

  if turtle.compare() then
   same = true

   print("ore is same")

   return
  end
  right()
 end

end



function saveCoords()
 table.insert(xCont,xCoord)
 table.insert(zCont,zCoord)
 table.insert(yCont,yCoord)
end


function removeCoords()
 table.remove(xCont)
 table.remove(zCont)
 table.remove(yCont)
end

function checkUD()

 if turtle.compareDown() then same = true
 end
 if turtle.compareUp() then same = true
 end
end


first = true

function gatherVein()

 same = false
 turtle.select(oreslots[curOreslot])

 if first then
  xStart = xCoord
  zStart = zCoord
  yStart = yCoord

  turtle.select(oreslots[curOreslot])

  turtle.dig()
  moveForward()

 saveCoords()

 end

 first = false

 while turtle.compareUp() do



  saveCoords()

  moveUp()

  if not(turtle.compareUp()) then
   checkSameOre()
   if same then
    return
   end
  end

 end



 while turtle.compareDown() do

  saveCoords()

  moveDown()

  if not(turtle.compareDown()) then
   checkSameOre()
   if same then
    return
   end
  end

 end


  if  turtle.compare() then


   saveCoords()
   moveForward()

    checkSameOre()

    checkUD()

    if same then
     return
    end

  end


  C = #xCont

  if C > 0 then

   goto(xCont[C],zCont[C],yCoord)
   goto(xCont[C],zCont[C],yCont[C])


   removeCoords()
   checkSameOre()
   checkUD()

   if same then return
   end


    same = true

   return
  end

  goto(xStart,zStart,yStart)

  same = false
  first = true

end

function changeOreslot()
print("changing ore slot")

lowestSlot = #oreslots

changeSlotStart = oreslots[lowestSlot]
print("the lowest slot is:".. changeSlotStart)


  for i = changeSlotStart,4,-1 do
   if turtle.getItemCount(i) < 1 then
    table.insert(oreslots,i)
    curOreslot = #oreslots

    return
   end

  end

 end

function checkSameOreSlot()
sameSlot = false
 if curOreslot == 0 then
  print("first ore")
  table.insert(oreslots,14)
  curOreslot = 1

  sameSlot = true
  return
 end


 for i = 1,#oreslots do
  print("checking if same ore")
  turtle.select(oreslots[i])
  if turtle.compare() then
   print("this is the same")
   curOreslot = oreslots[i]
   sameSlot = true
   return
  end
 end
 print("this is not the same")
 sameSlot = false
 return
end



function digShaft()
 same = false
 ore = false
 sameSlot = false

 moveDown()


 while yCoord > mineStop do

  moveDown()
  checkOre()
  print("checked ore")

 while ore do

  print("1")
  checkSameOreSlot()

  if  sameSlot == false then
  print("changing slot")
   changeOreslot()
   print("changed ore slot")
   end

   print("2")
   turtle.select(oreslots[curOreslot])
   print("3")

   gatherVein()

   while same do
    gatherVein()
   end

   checkOre()

  end

 end

 goto(xCoord,zCoord,65)
 print("finished")
end




function getTree()
 turtle.select(16)
 moveForward()
 woodAmount = woodAmount + 1

 while turtle.compareUp(16) do
  checkFuel()
  moveUp()
  woodAmount = woodAmount + 1
 end

 while not (turtle.detectDown()) do
 moveDown()
 end

end

function start()
turtle.select(1)
digShaft()
face("north")

end

start()