Turtle code .02

function startup() -- actully fuking works a damn miricale dont fuck with
  size = {0,0,0} -- x,y,z
  --print("Enter Size of area(x)")
  --size[1] = io.read() + 0
  --print("Enter Size of area(z)")
  --size[3] = io.read() + 0
  --coord = startCoord
  dir = 1
  justTurned = false
  selectSlot = 1
  row = 1
  length = 20 --size[3]
  maxRow = 20 --size[1]
  map = {} -- map[row((z)][length(x)]
  i = 1
  g = 0 -- g is last i position
  n = 1
  map = {}          -- create the matrix
    for q=1,20 do
      map[q] = {}     -- create a new row
      for j=1,20 do
        map[q][j] = 0
        --print(map[q][j])
      end
    end
  i = 1 -- i is now x position in one row
  n = 1
  print("flag 1")
  while row <= maxRow do -- set dig points on table
    if i == 1 then-- if the first block in a row
      if (row%2) ~= 0 then-- if row is odd set for dig
        map[row][i] = 1
        g = i
        i = i+1
      else -- if the row isnt odd move over two blocks and set dig point
        i = i+2
        map[row][i] = 1
        g = i
        i = i+1
      end
    else -- if not first block
      if (i <= length) then-- if less than lenght
        if (i == g+4) then -- if 4 blocks over from last dig point
          map[row][i] = 1
          g = i
        end
        i = i+1
      else -- if over lenght go top next row
        i = 1
        row = row+1
      end
    end
  end
  for q=1,20 do
      for j=1,20 do
        print(map[q][j])
      end
      print("cut")
  end
end



function master() -- master function, should work
    while coord[1] <= size[1] do
        while coord[3] <= size[3] and coord[3] >= 0 do
            while cheackSlot() == false do
                selectSlot = selectSlot + 1
                if selectSlot == 15
                    getItems()
                end
            end
            if (map[coord[1]][coord[3]] == 1) then
             turtle.putDown()
            end
            turtle.dig()
            turtle.forward()
            coord[3] = coord[3] + (1 * dir)
            justTurned = false

        end
        if coord[3] > size[3]   then
            turtle.turnRight()
          coord[1] = coord[1] + 1
          turtle.dig()
            turtle.forward()
            turtle.turnRight()
            turtle.dig()
            turtle.forward()
            justTurned = true
            dir = -1
        else
            turtle.turnLeft()
            turtle.dig()
            turtle.forward()
            coord[1] = coord[1] + 1
            turtle.turnLeft()
            turtle.dig()
            turtle.forward()
            justTurned = true
            dir = 1
        end
        cheackFuel

        --if cheackInv() == false or coord[1] = size[1] then
        --  getItems()
        --end
end

function getItems -- todo, can only be called on surface
        tempCoord = coord
        if coord[1] != 0 then
            if dir == -1 then
                turtle.turnRight()
            else
                turtle.turnLeft()
            end
        end
        while coord[1] < 0 do
          turtle.dig()
            turtle.forward()
        end
        turtle.turnLeft()
        while coord[3] < 0 do
          turtle.dig()
            turtle.forward()
        end
        while selectSlot < 16 do
            turtle.suck()
            turtle.select(selectSlot)
            selectSlot = selectSlot + 1
        end
        while cheakFuel() == false do
            print("need fuel")
            turtle.select(16)
            turtle.refuel(turtle.getItemCount(16))
        selectSlot = 1
        if tempCoord[1] >= size[1] and tempCoord[3] >= size[3] then
            return true
        else
            return false
            turtle.turnleft()
            while coord[3] < tempCoord[3] do
              turtle.dig()
                turtle.forward()
            end
            turtle.turnLeft()
            while coord[1] < tempCoord[1] do
              turtle.dig()
                turtle.forward()
            end
        end
end


function cheackInv() -- todo
    selectSlot = 1
    emptySlots = 0
    slot = turtle.getSlot
    while selectSlot < 16 do
        if turtle.getItemCount(selectSlot) == 0 then
            emptySlots = emptySlots + 1
        end
        selectSlot = selectSlot + 1
    end
    if emptySlots >=11 then
        return true
    end
    return false

end

function cheackSlot() -- cheaks if slot is empty, should work
    if turtle.getItemCount(selectSlot) == 0 then
        return false
    else
        return true
    end
end

function cheackFuel() -- cheakcfuel/refuels if needed, should work, can only be called on surface
  refuel()
    if turtle.getFuelLevel() < 2000 then
        getItems()
  end
end

function refuel() -- refuels turtle, should work
  slot = turtle.getSlot
  turtle.selct(4)
  fuelNeeded = 20000 - turtle.getFuelLevel
  (fuelNeeded/80) = coalToTake
  if coalToTake >= turtle.getItemCount then
    coalToTake = turtle.getItemCount - 1
  end
  turtle.refuel(coalToTake)
  turtle.select(slot)
end

function dig() -- digs a vertical shaft, should work
  if coord[2] = size[2] then
    dirDig = -1
    mine()
    max = 0
  else
    dirDig = 1
    mine()
    max = size[2]
  end

  while coord[2] ~= max do
    mine()
    if dirDig = 1 then
      turtle.digDown
      turtle.down
      coord[2] = coord[2] + 1
    else
      turtle.digUp
      turtle.up
      coord[2] = coord[2] - 1
    end
  end
  mine()
end


function compare() -- dig if not 1 of 4 ingnored blocks, should work

  if turtle.compareTo(1) == false and turtle.compareTo(2) == false and turtle.compareTo(3) == false and turtle.compareTo(4) == false then
    turtle.dig
  end
end

function mine() -- does some digging bby, should work
  turtle.compare
  turtle.turnLeft
  turtle.compare
  turtle.turnLeft
  turtle.compare
  turtle.turnLeft
  turtle.compare
  turtle.turnleft
end





startup()
print(map)
--master()
--getItems()
print("done")