BranchTurtle_Final

function shaft()
    --main shaft
    term.clear()
    term.setCursorPos(1,1)
    print("Digging shaft")
    count = 0
 branchcount = 0
    --for count = 0, tonumber(mainshaft) do
    repeat
        turtle.dig()
        if turtle.forward() then
            count = count + 1
            branchcount = branchcount + 1
        end
        turtle.digUp()
        if branchcount == 4 then --branch clause
            print("Branching!")
            branch()
            branchcount = 0
        end
        --reset variables
        percent() --percent complete clause
        until count == tonumber(mainshaft)
    --end
    --final inv check
    finalinv()
    count = 0
end

function branch()
    --branch
    --left first
    local torchplace = 0
    local turtlereturnleft = 0
    local turtlereturnright = 0
    turtle.turnLeft()
    local branchleftcount = 0
    repeat
     --for branchleftcount = 0, tonumber(branchshaft) do
        turtle.dig()
        --turtle.forward()

        if turtle.forward() then
            turtlereturnleft = turtlereturnleft + 1
            branchleftcount = branchleftcount + 1
        end
        turtle.digUp()
     --end
    until branchleftcount == tonumber(branchshaft)
    turtle.turnLeft()
    turtle.turnLeft()
    repeat
      turtle.dig()
     -- turtle.forward()
      if turtle.forward() then
        turtlereturnleft = turtlereturnleft - 1
        torchplace = torchplace + 1
      end
      if placetorches == true then
       if torchplace == 5 then
        if turtle.getItemCount(1) > 1 then -- don't want to run out of torches. will fill tunnel with random block (in slot 1)
        turtle.select(1) --select torches
        turtle.placeUp()
        torchplace = 0
        else
        print("Torch supply low")
       end
      end
      end
      --turtle.digUp()
    until turtlereturnleft == 0

    --right now
    torchplace = 0
    local branchrightcount = 0
    repeat
    -- for branchrightcount = 0, tonumber(branchshaft) do --UNCOMMENT THIS AND 56 FOR OLD SYSTEM
        turtle.dig()
        --turtle.forward()
        if turtle.forward() then
            turtlereturnright = turtlereturnright + 1
            branchrightcount = branchrightcount + 1
        end
        turtle.digUp()
    until branchrightcount == tonumber(branchshaft)
    --end --UNCOMMENT THIS AND 48 FOR OLD SYSTEM
    turtle.turnLeft()
    turtle.turnLeft()
    repeat
      turtle.dig()
     -- turtle.forward()
      if turtle.forward() then
        turtlereturnright = turtlereturnright - 1
        torchplace = torchplace + 1
      end
      if placetorches == true then
       if torchplace == 5 then
        if turtle.getItemCount(1) > 1 then -- don't want to run out of torches. will fill tunnel with random block (in slot 1)
        turtle.select(1) --select torches
        turtle.placeUp()
        torchplace = 0
        else
        print("Torch supply low")
       end
      end
     end
     -- turtle.digUp()
    until turtlereturnright == 0
    turtle.turnRight()
    print("Finished Branching!")
    if usechest == true then
        invcheck() -- CHECK INVENTORY
    end
    end

function invcheck()
    --inventory checking
    print("Checking Inventory...")
    if turtle.getItemCount(16) ~= 0 then
        print("Ejecting Inventory!")
        turtle.select(2)
        if turtle.placeUp then
            turtle.digUp()
            turtle.placeUp()
            turtle.select(3)
            turtle.dropUp()
            turtle.select(4)
            turtle.dropUp()
            turtle.select(5)
            turtle.dropUp()
            turtle.select(6)
            turtle.dropUp()
            turtle.select(7)
            turtle.dropUp()
            turtle.select(8)
            turtle.dropUp()
            turtle.select(9)
            turtle.dropUp()
            turtle.select(10)
            turtle.dropUp()
            turtle.select(11)
            turtle.dropUp()
            turtle.select(12)
            turtle.dropUp()
            turtle.select(13)
            turtle.dropUp()
            turtle.select(14)
            turtle.dropUp()
            turtle.select(15)
            turtle.dropUp()
            turtle.select(16)
            turtle.dropUp()
            --print("Dropped 3x3 Area! Transferring for next check!")
                -- MOVING ITEMS
            --  turtle.select(4)
            --  turtle.transferTo(3)
            --  turtle.select(8)
            --  turtle.transferTo(5)
            --  turtle.select(12)
            --  turtle.transferTo(6)
            --  turtle.select(13)
            --  turtle.transferTo(7)
            --  turtle.select(14)
            --  turtle.transferTo(9)
            --  turtle.select(15)
            --  turtle.transferTo(10)
            --  turtle.select(16)
            --  turtle.transferTo(11)
            print("Transferred Inventory! Collecting Chest!")
            turtle.select(2)
            turtle.digUp()
        else
            turtle.digUp()
            turtle.placeUp()
            turtle.select(3)
            turtle.dropUp()
            --turtle.select(4)
            --turtle.dropUp()
            turtle.select(5)
            turtle.dropUp()
            turtle.select(6)
            turtle.dropUp()
            turtle.select(7)
            turtle.dropUp()
            --turtle.select(8)
            --turtle.dropUp()
            turtle.select(9)
            turtle.dropUp()
            turtle.select(10)
            turtle.dropUp()
            turtle.select(11)
            turtle.dropUp()
            --turtle.select(12)
            --turtle.dropUp()
            --turtle.select(13)
            --turtle.dropUp()
            --turtle.select(14)
            --turtle.dropUp()
            --turtle.select(15)
            --turtle.dropUp()
            --turtle.select(16)
            --turtle.dropUp()
            print("Dropped 3x3 Area! Transferring for next check!")
                -- MOVING ITEMS
                turtle.select(4)
                turtle.transferTo(3)
                turtle.select(8)
                turtle.transferTo(5)
                turtle.select(12)
                turtle.transferTo(6)
                turtle.select(13)
                turtle.transferTo(7)
                turtle.select(14)
                turtle.transferTo(9)
                turtle.select(15)
                turtle.transferTo(10)
                turtle.select(16)
                turtle.transferTo(11)
            print("Dropped Inventory! Collecting Chest!")
            turtle.select(2)
            turtle.digUp()
     end
    else
        print("Inventory Fine!")
    end
end
function finalinv()
    print("Excreting inventory!")
    sleep(1)
    turtle.digUp()
    turtle.select(2)
            turtle.digUp()
            turtle.placeUp()
            turtle.select(3)
            turtle.dropUp()
            sleep(1)
            turtle.select(4)
            turtle.dropUp()
            sleep(1)
            turtle.select(5)
            turtle.dropUp()
            sleep(1)
            turtle.select(6)
            turtle.dropUp()
            sleep(1)
            turtle.select(7)
            turtle.dropUp()
                        sleep(1)
            turtle.select(8)
            turtle.dropUp()
            sleep(1)
            turtle.select(9)
            turtle.dropUp()
            sleep(1)
            turtle.select(10)
            turtle.dropUp()
                        sleep(1)
            turtle.select(11)
            turtle.dropUp()
                        sleep(1)
            turtle.select(12)
            turtle.dropUp()
                        sleep(1)
            turtle.select(13)
            turtle.dropUp()
                        sleep(1)
            turtle.select(14)
            turtle.dropUp()
                        sleep(1)
            turtle.select(15)
            turtle.dropUp()
                        sleep(1)
            turtle.select(16)
            turtle.dropUp()
                        sleep(1)
            print("Done!")
end

function percent()
    --percentage completion
    local percent = count/mainshaft*100
    --print( ..count.. " of " ..mineshaft.. )
    print("Percent Complete:" ..percent.. "%")
end

print("Branch Miner")
print("Type begin to begin")
local confirm = read()
if confirm == "begin" then
    print("How long should the main shaft be? Default: 64")
    mainshaft = read()
    print("Digging the main shaft " ..mainshaft..  " blocks long")
    sleep(1)
    print("How long should branches be? Default: 32")
    branchshaft = read()
    print("Digging the branch shafts " ..branchshaft..  " blocks long")
    -- TORCHES
    print("Place Torches? (y/n)")
    local torches = read()
    if torches == "y" then
        print("Torches MUST be in slot 1! I will (try) to place them!")
        placetorches = true
    end
    --ENDERCHEST
    print("Use Ender Chests to empty inventory? (y/n)")
    local chests = read()
    if chests == "y" then
        print("Currently WIP. Place chest in slot 2!")
        usechest = true
    end

    sleep(1)
    print("Confirm? (write confirm)")
    local confirm2 = read()
    if confirm2 == "confirm" then
        term.clear()
        shaft()
    else
        print("Shutting Down...")
        sleep(0.5)
        os.shutdown()
    end

else
    print("Shutting down...")
    os.shutdown()
end