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- -- CC-Excavate
- -- Improved version of excavate built-in program
- --
- -- Excavate is a program for turtles that will mine out
- -- a specified width square of blocks, all the way down
- -- to bedrock level.
- -- It will periodically return to the surface when it is
- -- full and drops off mined materials either into an
- -- available inventory placed behind it when it starts,
- -- or onto the ground. If fuel requirements are enabled,
- -- it will also periodically return to the starting point
- -- if it requires additional fuel.
- --
- -- Addition : move along every third layer and use the
- -- turtle.digUp and turtle.digDown commands to clear three
- -- layers at a time, which would save time and fuel.
- --Params settings
- local peacefull = settings.get("excavate.peacefull", false) --turtle.attack() entities
- settings.set("excavate.peacefull", peacefull)
- settings.save(".settings")
- --
- if not turtle then
- printError( "Requires a Turtle" )
- return
- end
- local tArgs = { ... }
- if #tArgs ~= 1 then
- print( "Usage: excavate <diameter>" )
- return
- end
- -- Mine in a quarry pattern until we hit something we can't dig
- local size = tonumber( tArgs[1] )
- if size < 1 then
- print( "Excavate diameter must be positive" )
- return
- end
- local depth = 0
- local unloaded = 0
- local collected = 0
- local xPos,zPos = 0,0
- local xDir,zDir = 0,1
- local goTo -- Filled in further down
- local refuel -- Filled in further down
- local function unload( _bKeepOneFuelStack )
- print( "Unloading items..." )
- for nSlot=1,16 do
- local nCount = turtle.getItemCount(nSlot)
- if nCount > 0 then
- turtle.select(nSlot)
- 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 returnSupplies()
- local x,y,z,xd,zd = xPos,depth,zPos,xDir,zDir
- print( "Returning to surface..." )
- goTo( 0,0,0,0,-1 )
- local fuelNeeded = 2*(x+y+z) + 1
- if not refuel( fuelNeeded ) then
- unload( true )
- print( "Waiting for fuel" )
- while not refuel( fuelNeeded ) do
- os.pullEvent( "turtle_inventory" )
- end
- else
- unload( true )
- end
- print( "Resuming mining..." )
- goTo( x,y,z,xd,zd )
- end
- local function collect()
- local bFull = true
- local nTotalItems = 0
- for nSlot=1,16 do
- local nCount = turtle.getItemCount(nSlot)
- if nCount == 0 then
- bFull = false
- end
- nTotalItems = nTotalItems + nCount
- end
- if nTotalItems > collected then
- collected = nTotalItems
- if math.fmod(collected + unloaded, 50) == 0 then
- print( "Mined "..(collected + unloaded).." items." )
- end
- end
- if bFull then
- print( "No empty slots left." )
- return false
- end
- return true
- end
- function refuel( ammount )
- local fuelLevel = turtle.getFuelLevel()
- if fuelLevel == "unlimited" then
- return true
- end
- local needed = ammount or (xPos + zPos + depth + 2)
- if turtle.getFuelLevel() < needed then
- local fueled = false
- for nSlot=1,16 do
- if turtle.getItemCount(nSlot) > 0 then
- turtle.select(nSlot)
- if turtle.refuel(1) then
- while turtle.getItemCount(nSlot) > 0 and turtle.getFuelLevel() < needed do
- turtle.refuel(1)
- end
- if turtle.getFuelLevel() >= needed then
- turtle.select(1)
- return true
- end
- end
- end
- end
- turtle.select(1)
- return false
- end
- return true
- end
- local function tryForwards()
- if not refuel() then
- print( "Not enough Fuel" )
- returnSupplies()
- end
- while turtle.detectUp() and turtle.digUp() do
- if not collect() then
- returnSupplies()
- end
- sleep( 0.5 )
- end
- if turtle.detectDown() and turtle.digDown() and not collect() then
- returnSupplies()
- end
- while not turtle.forward() do
- if turtle.detect() then
- if turtle.dig() then
- if not collect() then
- returnSupplies()
- end
- else
- return false
- end
- --attack mode
- elseif not peacefull and turtle.attack() then
- if not collect() then
- returnSupplies()
- end
- else
- sleep( 0.5 )
- end
- end
- xPos = xPos + xDir
- zPos = zPos + zDir
- return true
- end
- local function tryDown()
- if not refuel() then
- print( "Not enough Fuel" )
- returnSupplies()
- end
- while not turtle.down() do
- if turtle.detectDown() then
- if turtle.digDown() then
- if not collect() then
- returnSupplies()
- end
- else
- return false
- end
- --attack mode
- elseif not peacefull and turtle.attackDown() then
- if not collect() then
- returnSupplies()
- end
- else
- sleep( 0.5 )
- end
- end
- depth = depth + 1
- if math.fmod( depth, 10 ) == 0 then
- print( "Descended "..depth.." metres." )
- end
- return true
- end
- local function turnLeft()
- turtle.turnLeft()
- xDir, zDir = -zDir, xDir
- end
- local function turnRight()
- turtle.turnRight()
- xDir, zDir = zDir, -xDir
- end
- function goTo( x, y, z, xd, zd )
- while depth > y do
- if turtle.up() then
- depth = depth - 1
- --attack mode
- elseif turtle.digUp() or (not peacefull and turtle.attackUp()) then
- collect()
- else
- sleep( 0.5 )
- end
- end
- if xPos > x then
- while xDir ~= -1 do
- turnLeft()
- end
- while xPos > x do
- if turtle.forward() then
- xPos = xPos - 1
- --attack mode
- elseif turtle.dig() or (not peacefull and turtle.attack()) then
- collect()
- else
- sleep( 0.5 )
- end
- end
- elseif xPos < x then
- while xDir ~= 1 do
- turnLeft()
- end
- while xPos < x do
- if turtle.forward() then
- xPos = xPos + 1
- --attack mode
- elseif turtle.dig() or (not peacefull and turtle.attack()) then
- collect()
- else
- sleep( 0.5 )
- end
- end
- end
- if zPos > z then
- while zDir ~= -1 do
- turnLeft()
- end
- while zPos > z do
- if turtle.forward() then
- zPos = zPos - 1
- --attack mode
- elseif turtle.dig() or (not peacefull and turtle.attack()) then
- collect()
- else
- sleep( 0.5 )
- end
- end
- elseif zPos < z then
- while zDir ~= 1 do
- turnLeft()
- end
- while zPos < z do
- if turtle.forward() then
- zPos = zPos + 1
- --attack mode
- elseif turtle.dig() or (not peacefull and turtle.attack()) then
- collect()
- else
- sleep( 0.5 )
- end
- end
- end
- while depth < y do
- if turtle.down() then
- depth = depth + 1
- --attack mode
- elseif turtle.digDown() or (not peacefull and turtle.attackDown()) then
- collect()
- else
- sleep( 0.5 )
- end
- end
- while zDir ~= zd or xDir ~= xd do
- turnLeft()
- end
- end
- if not refuel() then
- print( "Out of Fuel" )
- return
- end
- print( "Excavating..." )
- local reseal = false
- turtle.select(1)
- if turtle.digDown() then
- reseal = true
- end
- local alternate = 0
- local done = false
- while not done do
- for n=1,size do
- for m=1,size-1 do
- if not tryForwards() then
- done = true
- break
- end
- end
- if done then
- break
- end
- if n<size then
- if math.fmod(n + alternate,2) == 0 then
- turnLeft()
- if not tryForwards() then
- done = true
- break
- end
- turnLeft()
- else
- turnRight()
- if not tryForwards() then
- done = true
- break
- end
- turnRight()
- end
- end
- end
- if done then
- break
- end
- if size > 1 then
- if math.fmod(size,2) == 0 then
- turnRight()
- else
- if alternate == 0 then
- turnLeft()
- else
- turnRight()
- end
- alternate = 1 - alternate
- end
- end
- while turtle.detectUp() and turtle.digUp() do
- if not collect() then
- returnSupplies()
- end
- sleep( 0.5 )
- end
- for i=1,3 do
- if not tryDown() then
- done = true
- break
- end
- end
- end
- print( "Returning to surface..." )
- -- Return to where we started
- goTo( 0,0,0,0,-1 )
- unload( false )
- goTo( 0,0,0,0,1 )
- -- Seal the hole
- if reseal then
- turtle.placeDown()
- end
- print( "Mined "..(collected + unloaded).." items total." )
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