Lantern Replacement Program

-- Define a list of waypoints with their coordinates and optional functions
local waypoints = {
    {x = 620, y = 160, z = -588},
    {x = 620, y = 160, z = -586},
    {x = 620, y = 164, z = -586},
    {x = 616, y = 164, z = -586},
    {x = 616, y = 170, z = -586},

    {x = 616, y = 170, z = -582},

    {x = 610, y = 170, z = -582},
    {x = 616, y = 170, z = -579},
    {x = 623, y = 170, z = -577},
    {x = 623, y = 170, z = -574},
    {x = 630, y = 170, z = -574},
    {x = 636, y = 170, z = -570},
    {x = 640, y = 170, z = -566},
    {x = 642, y = 170, z = -564},
    {x = 647, y = 170, z = -564},
    {x = 649, y = 170, z = -566},
    {x = 649, y = 170, z = -571},

    {x = 649, y = 170, z = -578},

    {x = 646, y = 173, z = -578},
    {x = 639, y = 173, z = -582},
    {x = 638, y = 173, z = -588},
    {x = 634, y = 173, z = -591},

    {x = 627, y = 173, z = -592},
    {x = 627, y = 172, z = -592},
    {x = 627, y = 172, z = -591},

    {x = 621, y = 170, z = -591},

    {x = 620, y = 160, z = -586},
    {x = 620, y = 164, z = -586},
    {x = 616, y = 164, z = -586},
    {x = 616, y = 170, z = -586},
    {x = 620, y = 160, z = -588}
}

function checkAndReplaceLantern()
    -- Select slot 2
    turtle.select(2)

    -- Check if the block beneath the turtle is a lantern or soul lantern
    local success, block = turtle.inspectDown()
    if success then
        local blockName = block.name
        if blockName == "minecraft:lantern" or blockName == "minecraft:soul_lantern" then
            print("Replacing Lantern")
            -- Replace the lantern with the item in slot 2
            turtle.digDown()
            turtle.placeDown()
        else
            print("No Lantern")
        end
    end
    turtle.select(1)
end

function moveTo(targetX, targetZ, targetY)
    local currentX, currentZ, currentY = gps.locate()

    -- Calculate the differences between current and target coordinates
    local deltaX = targetX - currentX
    local deltaY = targetY - currentY
    local deltaZ = targetZ - currentZ

    print(targetZ)
    print(currentZ)
    print(deltaZ)

    -- Move along the Z-axis
    if deltaZ > 0 then
        print("Up")
        for i = 1, math.abs(deltaZ) do
            turtle.up()
        end
    elseif deltaZ < 0 then
        print("Down")
        for i = 1, math.abs(deltaZ) do
            turtle.down()
        end
    end

    -- Move along the X-axis
    if deltaX > 0 then
        for i = 1, deltaX do
            turtle.forward()
        end
    elseif deltaX < 0 then
        for i = 1, math.abs(deltaX) do
            turtle.back()
        end
    end

    -- Move along the Y-axis
    if deltaY > 0 then
        turtle.turnRight()
        for i = 1, deltaY do
            turtle.forward()
        end
        turtle.turnLeft()
    elseif deltaY < 0 then
        turtle.turnLeft()
        for i = 1, math.abs(deltaY) do
            turtle.forward()
        end
        turtle.turnRight()
    end
end

-- Function to move to each waypoint and optionally execute a function
function moveThroughWaypoints()
    for i, waypoint in ipairs(waypoints) do
        -- Move to the waypoint
        moveTo(waypoint.x, waypoint.y, waypoint.z)

        checkAndReplaceLantern()
    end
end

-- Call the function to move through the waypoints
moveThroughWaypoints()