CC turtle

squidingtin

Jun 9th, 2025 (edited)

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-- 3D Miner and Mapper with Fuel Check, Junk Dropping, and Disk Safety
-- Config: target ores to mine
local targetBlocks = {
["minecraft:coal_ore"] = true,
["minecraft:iron_ore"] = true,
["minecraft:copper_ore"] = true
}
-- Config: junk blocks to auto-drop
local junkBlocks = {
["minecraft:cobblestone"] = true,
["minecraft:dirt"] = true,
["minecraft:granite"] = true,
["minecraft:diorite"] = true,
["minecraft:andesite"] = true,
["minecraft:gravel"] = true,
["minecraft:sand"] = true,
["minecraft:tuff"] = true
}
local fuelNames = {
["minecraft:coal"] = true,
["minecraft:charcoal"] = true,
["minecraft:lava_bucket"] = true
}
-- Position and direction tracking
local pos = {x = 0, y = 0, z = 0}
local dir = 0 -- 0=N,1=E,2=S,3=W
local map = {}
local visited = {}
local function key(x,y,z) return x..","..y..","..z end
local function saveMap(x, y, z, face, id)
map[x] = map[x] or {}
map[x][y] = map[x][y] or {}
map[x][y][z] = map[x][y][z] or {}
map[x][y][z][face] = id
end
-- Turn helpers
local function turnLeft()
dir = (dir + 3) % 4
turtle.turnLeft()
end
local function turnRight()
dir = (dir + 1) % 4
turtle.turnRight()
end
local function faceName()
if dir == 0 then return "north"
elseif dir == 1 then return "east"
elseif dir == 2 then return "south"
else return "west" end
end
-- Dump junk blocks from inventory
local function dumpJunk()
for i = 1, 16 do
local item = turtle.getItemDetail(i)
if item and junkBlocks[item.name] then
turtle.select(i)
turtle.drop() -- drops forward
end
end
turtle.select(1)
end
-- Dig forward if target block is there
local function tryDigForward()
local success, data = turtle.inspect()
if success and targetBlocks[data.name] then
turtle.dig()
dumpJunk()
return true
end
return false
end
-- Move forward, update position, mark old block as empty
local function tryForward()
local px, py, pz = pos.x, pos.y, pos.z
if tryDigForward() then sleep(0.4) end
if turtle.forward() then
-- Update pos
if dir == 0 then pos.z = pos.z - 1
elseif dir == 1 then pos.x = pos.x + 1
elseif dir == 2 then pos.z = pos.z + 1
elseif dir == 3 then pos.x = pos.x - 1 end
-- Mark new position as empty (center)
saveMap(pos.x, pos.y, pos.z, "center", "empty")
return true
end
return false
end
-- Dig up if target block is there
local function tryUp()
local success, data = turtle.inspectUp()
if success and targetBlocks[data.name] then
turtle.digUp()
dumpJunk()
end
if turtle.up() then
pos.y = pos.y + 1
saveMap(pos.x, pos.y, pos.z, "center", "empty")
return true
end
return false
end
-- Dig down if target block is there
local function tryDown()
local success, data = turtle.inspectDown()
if success and targetBlocks[data.name] then
turtle.digDown()
dumpJunk()
end
if turtle.down() then
pos.y = pos.y - 1
saveMap(pos.x, pos.y, pos.z, "center", "empty")
return true
end
return false
end
-- Inspect all surroundings once per position
local function inspectAll(force)
local blockKey = key(pos.x, pos.y, pos.z)
if visited[blockKey] and not force then return end
visited[blockKey] = true
local successF, dataF = turtle.inspect()
if successF then saveMap(pos.x, pos.y, pos.z, "front", dataF.name) end
local successUp, dataUp = turtle.inspectUp()
if successUp then saveMap(pos.x, pos.y, pos.z, "up", dataUp.name) end
local successDown, dataDown = turtle.inspectDown()
if successDown then saveMap(pos.x, pos.y, pos.z, "down", dataDown.name) end
for i = 1, 4 do
turnRight()
local successS, dataS = turtle.inspect()
if successS then
saveMap(pos.x, pos.y, pos.z, faceName(), dataS.name)
end
end
end
local fuelNames = {
["minecraft:coal"] = true,
["minecraft:charcoal"] = true,
["minecraft:lava_bucket"] = true
}
-- Then: define tryRefuel BEFORE any usage
local function tryRefuel()
for i = 1, 16 do
local item = turtle.getItemDetail(i)
if item and fuelNames[item.name] then
local count = item.count
local useAmount = 1
if count >= 16 then
useAmount = math.floor(count * 0.25)
end
turtle.select(i)
local success = turtle.refuel(useAmount)
if success then
print("Refueled using "..useAmount.." of "..item.name)
return true
else
print("Failed to refuel with "..item.name)
return false
end
end
end
print("No fuel in inventory to refuel")
return false
end
-- Check fuel level; return true if below 25%
local function checkFuel()
local level = turtle.getFuelLevel()
local limit = turtle.getFuelLimit()
if level / limit < 0.25 then
print("Fuel below 25%, attempting to refuel...")
if not tryRefuel() then
print("Refuel failed, returning home...")
--goHome()
return true
end
end
return false
end
-- Turn turtle to face given direction (0-3)
local function faceDirection(targetDir)
while dir ~= targetDir do
turnRight()
end
end
-- Move backward and update position
local function tryBack()
if turtle.back() then
if dir == 0 then pos.z = pos.z + 1
elseif dir == 1 then pos.x = pos.x - 1
elseif dir == 2 then pos.z = pos.z - 1
elseif dir == 3 then pos.x = pos.x + 1 end
return true
end
return false
end
-- Return safely to spawn (0,0,0), avoiding (0,0,-1)
local function goHome()
-- Move vertically to y=0
while pos.y > 0 do tryDown() end
while pos.y < 0 do tryUp() end
-- Move horizontally x=0
if pos.x > 0 then faceDirection(3) -- west
elseif pos.x < 0 then faceDirection(1) -- east
end
while pos.x ~= 0 do tryForward() end
-- Move horizontally z=0, avoid (0,0,-1)
if pos.z > 0 then faceDirection(0) -- north
elseif pos.z < 0 then faceDirection(2) -- south
end
while pos.z ~= 0 do
if pos.x == 0 and pos.y == 0 and pos.z == -1 then
print("Avoiding disk drive at (0,0,-1)")
break
end
tryForward()
end
end
-- dir: 0 = north, 1 = east, 2 = south, 3 = west
local function getDirectionOffset(dir)
if dir == 0 then return 0, -1 -- north: +z goes negative
elseif dir == 1 then return 1, 0 -- east
elseif dir == 2 then return 0, 1 -- south
elseif dir == 3 then return -1, 0 -- west
end
end
-- Recursive exploration of area
local function explore()
if checkFuel() then
goHome()
writeMap()
print("Stopped: Fuel below 25%")
return
end
inspectAll()
-- Explore vertically down first
if tryDown() then
explore()
tryUp()
end
-- Explore horizontally in 4 directions
for i = 1, 4 do
local dx, dz = getDirectionOffset(dir) -- based on current direction
local tx = pos.x + dx
local ty = pos.y
local tz = pos.z + dz
if not map[tx] or not map[tx][ty] or not map[tx][ty][tz] then
if tryForward() then
explore()
tryBack()
end
end
turnRight()
end
-- Optional: Explore up after all else
if tryUp() then
explore()
tryDown()
end
end
-- Save map to disk under turtle
function writeMap()
if not fs.exists("disk") then
print("No disk under turtle to save map!")
return
end
local f = fs.open("disk/map.json", "w")
f.write(textutils.serializeJSON(map))
f.close()
print("Map saved to disk/map.json")
end
-- Start script
print("Starting 3D mining and mapping...")
explore()
goHome()
writeMap()
print("Done.")

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