Ore Miner

-- Turtle Mining Script
-- Ensure your turtle has a pickaxe and enough fuel.

-- Variables
local targetOre
local requiredAmount = 10 -- Amount of ore to mine
local homePosition = {x = 0, y = 0, z = 0} -- Starting coordinates
local chunkBoundary = {xMin = 0, xMax = 15, zMin = 0, zMax = 15} -- Current chunk boundaries

local minedAmount = 0
local position = {x = 0, y = 0, z = 0} -- Turtle's current position
local direction = 0 -- 0: forward, 1: right, 2: back, 3: left
local spiralStep = 1
local spiralDirection = 0

-- Helper Functions
local function turnRight()
    turtle.turnRight()
    direction = (direction + 1) % 4
end

local function turnLeft()
    turtle.turnLeft()
    direction = (direction - 1) % 4
end

local function faceDirection(targetDirection)
    while direction ~= targetDirection do
        turnRight()
    end
end

local function moveForward()
    while not turtle.forward() do
        if turtle.detect() then
            turtle.dig()
        else
            return false
        end
    end
    if direction == 0 then position.z = position.z + 1
    elseif direction == 1 then position.x = position.x + 1
    elseif direction == 2 then position.z = position.z - 1
    elseif direction == 3 then position.x = position.x - 1 end
    return true
end

local function moveUp()
    while not turtle.up() do
        if turtle.detectUp() then
            turtle.digUp()
        else
            return false
        end
    end
    position.y = position.y + 1
    return true
end

local function moveDown()
    while not turtle.down() do
        if turtle.detectDown() then
            turtle.digDown()
        else
            return false
        end
    end
    position.y = position.y - 1
    return true
end

local function detectOre()
    local success, data = turtle.inspect()
    if success then
        if data.name == targetOre then
            return true
        end
    end
    return false
end

local function mineOre()
    if turtle.dig() then
        minedAmount = minedAmount + 1
    end
end

local function isWithinChunkBounds()
    return position.x >= chunkBoundary.xMin and position.x <= chunkBoundary.xMax and
           position.z >= chunkBoundary.zMin and position.z <= chunkBoundary.zMax
end

local function returnHome()
    -- Move back to the original Y position
    while position.y > homePosition.y do
        moveDown()
    end
    while position.y < homePosition.y do
        moveUp()
    end

    -- Move back to the original Z position
    if position.z > homePosition.z then
        faceDirection(2) -- Face back
        while position.z > homePosition.z do
            moveForward()
        end
    elseif position.z < homePosition.z then
        faceDirection(0) -- Face forward
        while position.z < homePosition.z do
            moveForward()
        end
    end

    -- Move back to the original X position
    if position.x > homePosition.x then
        faceDirection(3) -- Face left
        while position.x > homePosition.x do
            moveForward()
        end
    elseif position.x < homePosition.x then
        faceDirection(1) -- Face right
        while position.x < homePosition.x do
            moveForward()
        end
    end
end

local function depositOre()
    for i = 1, 16 do
        turtle.select(i)
        turtle.drop()
    end
    turtle.select(1) -- Reset to slot 1
end

local function spiralMove()
    if spiralDirection % 2 == 0 then
        for _ = 1, spiralStep do
            if not moveForward() then
                return false
            end
        end
    else
        for _ = 1, spiralStep do
            if not moveForward() then
                return false
            end
        end
        spiralStep = spiralStep + 1
    end
    turnRight()
    spiralDirection = (spiralDirection + 1) % 4
    return true
end

-- Setup
print("Enter the ore to mine (e.g., minecraft:iron_ore):")
targetOre = read()

print("Enter the turtle's starting X coordinate:")
homePosition.x = tonumber(read())

print("Enter the turtle's starting Y coordinate:")
homePosition.y = tonumber(read())

print("Enter the turtle's starting Z coordinate:")
homePosition.z = tonumber(read())

-- Calculate chunk boundaries based on home position
chunkBoundary.xMin = homePosition.x - (homePosition.x % 16)
chunkBoundary.xMax = chunkBoundary.xMin + 15
chunkBoundary.zMin = homePosition.z - (homePosition.z % 16)
chunkBoundary.zMax = chunkBoundary.zMin + 15

position.x, position.y, position.z = homePosition.x, homePosition.y, homePosition.z

-- Main Loop
while minedAmount < requiredAmount do
    if not isWithinChunkBounds() then
        print("Out of chunk bounds, returning home.")
        break
    end

    if detectOre() then
        mineOre()
    else
        if not spiralMove() then
            print("Obstacle encountered, returning home.")
            break
        end
    end
end

-- Return and Deposit
returnHome()
depositOre()
print("Mining complete! Ores deposited.")