roomdig

-- Turtle Program to Dig Out Rooms with Configurable Size and Visual Guide
-- Starts at the bottom-left corner of the room and ensures correct height handling, including sand/gravel.

-- Function to display a visual representation of where to place the turtle
local function showPlacementGuide()
    print("Place the turtle at the bottom-left corner of the room facing forward.")
    print("It should be one block below the desired floor level.")
end

-- Function to prompt user for room dimensions
local function getRoomDimensions()
    print("Enter the dimensions for the room:")
    print("Length (blocks): ")
    local length = tonumber(io.read())
    print("Width (blocks): ")
    local width = tonumber(io.read())
    print("Height (blocks): ")
    local height = tonumber(io.read())

    return length, width, height
end

-- Function to calculate and check total fuel needed
local function checkFuelNeeded(length, width, height)
    local totalBlocks = length * width * height
    local fuelNeeded = totalBlocks * 2  -- Estimate: 2 fuel per block (including turns and adjustments)

    print("Total blocks to mine: " .. totalBlocks)
    print("Estimated fuel needed: " .. fuelNeeded)

    if turtle.getFuelLevel() < fuelNeeded then
        print("Not enough fuel! Please refuel the turtle.")
        while turtle.getFuelLevel() < fuelNeeded do
            print("Place fuel in the turtle's inventory and press Enter.")
            os.pullEvent("turtle_inventory")
            turtle.refuel()
        end
        print("Turtle refueled! Fuel level: " .. turtle.getFuelLevel())
    else
        print("Sufficient fuel available. Fuel level: " .. turtle.getFuelLevel())
    end
end

-- Function to dig forward, handling falling blocks
local function digForward()
    while turtle.detect() do
        turtle.dig()
        sleep(0.5)  -- Wait for falling blocks to settle
    end
    turtle.forward()
end

-- Function to dig up, handling falling blocks
local function digUp()
    while turtle.detectUp() do
        turtle.digUp()
        sleep(0.5)  -- Wait for falling blocks to settle
    end
end

-- Function to dig down, handling falling blocks
local function digDown()
    while turtle.detectDown() do
        turtle.digDown()
        sleep(0.5)  -- Wait for falling blocks to settle
    end
end

-- Function to dig forward, up, and down in one move
local function digAll()
    digForward()
    digUp()
    digDown()
end

-- Main function to dig out the room
local function digRoom(length, width, height)
    -- Start by moving up one block to account for the initial position
    turtle.up()

    for layer = 1, height do
        for w = 1, width do
            for l = 1, length do
                if l == 1 and w == 1 and layer > 1 then
                    digUp()
                    digDown()
                end
                digAll()
            end

            -- Turn at the end of the row
            if w < width then
                if w % 2 == 1 then
                    turtle.turnRight()
                    digForward()
                    digUp()
                    digDown()
                    turtle.turnRight()
                else
                    turtle.turnLeft()
                    digForward()
                    digUp()
                    digDown()
                    turtle.turnLeft()
                end
            end
        end

        -- Move up to the next layer if needed
        if layer < height then
            digUp()
            turtle.up()
            if width % 2 == 1 then
                turtle.turnRight()
                turtle.turnRight()
            end
        end
    end

    -- Ensure the turtle stops after completing the specified height
    if height > 1 then
        while turtle.down() do end
    end

    -- Return to the starting position
    turtle.turnRight()
    for i = 1, length - 1 do turtle.back() end
    turtle.turnRight()
    for i = 1, width - 1 do turtle.back() end
    turtle.turnRight()
end

-- Show placement guide
showPlacementGuide()

-- Get room dimensions from user
local roomLength, roomWidth, roomHeight = getRoomDimensions()

-- Check if sufficient fuel is available
checkFuelNeeded(roomLength, roomWidth, roomHeight)

-- Run the program
digRoom(roomLength, roomWidth, roomHeight)