CustomExcavate3

TechManDylan

May 22nd, 2025 (edited)

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local tArgs = { ... }
if #tArgs ~= 1 then
print("Usage: excavate <diameter>")
return
end
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
local function unload()
print("Unloading items to ender chest...")
-- Refuel from all fuel sources first
for i = 1, 16 do
if turtle.getItemCount(i) > 0 then
turtle.select(i)
if turtle.refuel(0) then
turtle.refuel(64)
end
end
end
-- Clear the block above
while turtle.detectUp() do
if not turtle.digUp() then
print("Unable to clear space above to place ender chest.")
return
end
end
-- Locate ender chest
local chestSlot = nil
for i = 1, 16 do
local detail = turtle.getItemDetail(i)
if detail and detail.name == "enderstorage:ender_chest" then
chestSlot = i
break
end
end
if not chestSlot then
print("No ender chest found in inventory!")
return
end
turtle.select(chestSlot)
if not turtle.placeUp() then
print("Failed to place ender chest above.")
return
end
-- Drop all items except the chest itself
for i = 1, 16 do
if i ~= chestSlot then
local count = turtle.getItemCount(i)
if count > 0 then
turtle.select(i)
if turtle.dropUp() then
unloaded = unloaded + count
end
end
end
end
-- Pick up chest
turtle.select(chestSlot)
if not turtle.digUp() then
print("Warning: Failed to retrieve ender chest.")
end
turtle.select(1)
collected = 0
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
return true
end
local refueled = false
for i = 1, 16 do
if turtle.getItemCount(i) > 0 then
turtle.select(i)
if turtle.refuel(0) then
if turtle.refuel(64) then
refueled = true
end
end
end
end
turtle.select(1)
return turtle.getFuelLevel() >= needed or refueled
end
local function returnSupplies()
local x, y, z, xd, zd = xPos, depth, zPos, xDir, zDir
print("Handling inventory and fuel...")
unload()
local fuelNeeded = 2 * (x + y + z) + 1
if not refuel(fuelNeeded) then
print("Waiting for fuel...")
while not refuel(fuelNeeded) do
os.pullEvent("turtle_inventory")
end
end
print("Resuming mining...")
goTo(x, y, z, xd, zd)
end
local function collect()
local bFull = true
local nTotalItems = 0
for n = 1, 16 do
local nCount = turtle.getItemCount(n)
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
local function tryForwards()
if not refuel() then
print("Not enough Fuel")
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
elseif turtle.attack() then
if not collect() then
returnSupplies()
end
else
sleep(0.5)
end
end
-- Dig up and down
if turtle.detectUp() then
if turtle.digUp() then
collect()
end
end
if turtle.detectDown() then
if turtle.digDown() then
collect()
end
end
xPos = xPos + xDir
zPos = zPos + zDir
return true
end
local function tryDown()
for i = 1, 3 do
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
elseif turtle.attackDown() then
if not collect() then
returnSupplies()
end
else
sleep(0.5)
end
end
depth = depth + 1
-- Dig above and below
if turtle.detectUp() then
if turtle.digUp() then
collect()
end
end
if turtle.detectDown() then
if turtle.digDown() then
collect()
end
end
end
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
elseif turtle.digUp() or 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
elseif turtle.dig() or 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
elseif turtle.dig() or 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
elseif turtle.dig() or 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
elseif turtle.dig() or turtle.attack() then collect()
else sleep(0.5) end
end
end
while depth < y do
if turtle.down() then
depth = depth + 1
elseif turtle.digDown() or turtle.attackDown() then
collect()
else
sleep(0.5)
end
end
while zDir ~= zd or xDir ~= xd do
turnLeft()
end
end
-- Initial fuel check
if not refuel() then
print("Out of Fuel")
return
end
print("Excavating...")
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
if not tryDown() then
done = true
break
end
end
print("Returning to surface...")
goTo(0, 0, 0, 0, -1)
unload()
goTo(0, 0, 0, 0, 1)
print("Mined " .. (collected + unloaded) .. " items total.")

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