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- local tArgs = { ... }
- if #tArgs ~= 1 then
- print( "Usage: tunnel <length>" )
- return
- end
- -- Mine in a quarry pattern until we hit something we can't dig
- local length = tonumber( tArgs[1] )
- if length < 1 then
- print( "Tunnel length must be positive" )
- return
- end
- local total = 0
- -- Total is the furthest it has mined so far
- local pos = 0
- -- Pos is its current position relative to its starting position
- local b = 10
- -- b is the total distance it must mine before returning to the chest
- local depth = 0
- local collected = 0
- local function collect()
- collected = collected + 1
- if math.fmod(collected, 25) == 0 then
- print( "Mined "..collected.." items." )
- end
- end
- local function tryDig()
- while turtle.detect() do
- if turtle.dig() then
- collect()
- sleep(0.5)
- else
- return false
- end
- end
- return true
- end
- local function tryDigUp()
- while turtle.detectUp() do
- if turtle.digUp() then
- collect()
- sleep(0.5)
- else
- return false
- end
- end
- return true
- end
- local function tryDigDown()
- while turtle.detectDown() do
- if turtle.digDown() then
- collect()
- sleep(0.5)
- else
- return false
- end
- end
- return true
- end
- local function refuel()
- local fuelLevel = turtle.getFuelLevel()
- if fuelLevel == "unlimited" or fuelLevel > 0 then
- return
- end
- local function tryRefuel()
- for n=1,16 do
- if turtle.getItemCount(n) > 0 then
- turtle.select(n)
- if turtle.refuel(1) then
- turtle.select(1)
- return true
- end
- end
- end
- turtle.select(1)
- return false
- end
- if not tryRefuel() then
- print( "Add more fuel to continue." )
- while not tryRefuel() do
- sleep(1)
- end
- print( "Resuming Tunnel." )
- end
- end
- local function tryUp()
- refuel()
- while not turtle.up() do
- if turtle.detectUp() then
- if not tryDigUp() then
- return false
- end
- elseif turtle.attackUp() then
- collect()
- else
- sleep( 0.5 )
- end
- end
- return true
- end
- local function tryDown()
- refuel()
- while not turtle.down() do
- if turtle.detectDown() then
- if not tryDigDown() then
- return false
- end
- elseif turtle.attackDown() then
- collect()
- else
- sleep( 0.5 )
- end
- end
- return true
- end
- local function unload( _bKeepOneFuelStack )
- print( "Unloading items..." )
- for n=1,16 do
- local nCount = turtle.getItemCount(n)
- if nCount > 0 then
- turtle.select(n)
- local bDrop = true
- if _bKeepOneFuelStack and turtle.refuel(0) then
- bDrop = false
- _bKeepOneFuelStack = false
- end
- if bDrop then
- turtle.drop()
- unloaded = unloaded + nCount
- end
- end
- end
- collected = 0
- turtle.select(1)
- end
- local function gohome()
- if pos>0 then
- turtle.forward()
- pos = pos - 1
- else
- turtle.turnleft()
- turtle.turnleft()
- unload( _bKeepOneFuelStack )
- resume()
- end
- end
- local function resume()
- if pos<total then
- turtle.forward()
- pos = pos + 1
- else
- sleep( 0.5 )
- end
- end
- local function tryForward()
- refuel()
- while not turtle.forward() do
- if turtle.detect() then
- if not tryDig() then
- return false
- end
- elseif turtle.attack() then
- collect()
- pos = pos + 1
- total = total + 1
- else
- sleep( 0.5 )
- end
- end
- return true
- end
- print( "Tunnelling..." )
- for n=1,length do
- turtle.placeDown()
- tryDigUp()
- turtle.turnLeft()
- tryDig()
- tryUp()
- tryDig()
- tryUp()
- tryDig()
- turtle.turnRight()
- turtle.turnRight()
- tryDig()
- tryDown()
- tryDig()
- tryDown()
- tryDig()
- turtle.turnLeft()
- if pos=total then
- turtle.turnleft()
- turtle.turnleft()
- gohome()
- else
- sleep( 0.5 )
- end
- if n<length then
- tryDig()
- if not tryForward() then
- print( "Aborting Tunnel." )
- break
- end
- else
- print( "Tunnel complete." )
- end
- end
- --[[
- print( "Returning to start..." )
- -- Return to where we started
- turtle.turnLeft()
- turtle.turnLeft()
- while depth > 0 do
- if turtle.forward() then
- depth = depth - 1
- else
- turtle.dig()
- end
- end
- turtle.turnRight()
- turtle.turnRight()
- ]]
- print( "Tunnel complete." )
- print( "Mined "..collected.." items total." )
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