trainLanternBuilder

lantern_chest = 15
fence_chest = 16
oak_chest = 14
offset = 13

chunk_loaders = 13

start_x, start_y, start_z = gps.locate()

function dig_down()
    local success, data
    success, data = turtle.inspectDown()
    if success then
        if (data.name == "minecraft:kelp") or (data.name == "environmental:cattail") or (data.name == "minecraft:grass") or (data.name == "minecraft:vine") or (data.name == "minecraft:oak_leaves") then
            turtle.digDown()
        end
        if data.tags ~= nil then
            for n,v in pairs(data.tags) do
                if (n == "minecraft:leaves") then
                    turtle.digDown()
                end
            end
        end
    end
end

function refill_inventory()
    turtle.select(oak_chest-offset)
    if turtle.getItemCount() <= 16 then
        turtle.select(oak_chest)
        turtle.placeUp()
        turtle.select(oak_chest-offset)
        needed = turtle.getItemSpace()
        turtle.suckUp(needed)
        turtle.select(oak_chest)
        turtle.digUp()
    end

    turtle.select(lantern_chest-offset)
    if turtle.getItemCount() <= 16 then
        turtle.select(lantern_chest)
        turtle.placeUp()
        turtle.select(lantern_chest-offset)
        needed = turtle.getItemSpace()
        turtle.suckUp(needed)
        turtle.select(lantern_chest)
        turtle.digUp()
    end

    turtle.select(fence_chest-offset)
    if turtle.getItemCount() <= 16 then
        turtle.select(fence_chest)
        turtle.placeUp()
        turtle.select(fence_chest-offset)
        needed = turtle.getItemSpace()
        turtle.suckUp(needed)
        turtle.select(fence_chest)
        turtle.digUp()
    end
end

function dig_detect()
    local success, data
    local status = false
    status = turtle.detect()
    if status then
        success, data = turtle.inspect()
        if (data.name == "minecraft:grass") or (data.name == "minecraft:vine") or (data.name == "minecraft:oak_leaves") then
            turtle.dig()
            status = false
        end

        if data.tags ~= nil then
            for n,v in pairs(data.tags) do
                if (n == "minecraft:leaves") then
                    turtle.dig()
                end
            end
        end

    end

    return status
end

function create_light()
    turtle.turnRight()
    if dig_detect() == false then
        turtle.forward()
        dig_down()
        turtle.select(oak_chest-offset)
        turtle.placeDown()
        turtle.back()
    end
    turtle.select(fence_chest-offset)
    turtle.place()

    turtle.up()
    if dig_detect() == false then
        turtle.select(fence_chest-offset)
        turtle.place()
    end

    turtle.up()
    if dig_detect() == false then
        turtle.select(fence_chest-offset)
        turtle.place()
    end

    if turtle.detectUp() then
        turtle.down()
        turtle.select(lantern_chest-offset)
        turtle.placeUp()
        turtle.down()
    else
        turtle.up()
        if dig_detect() == false then
            turtle.select(fence_chest-offset)
            turtle.place()
            turtle.down()
            turtle.placeUp()
            turtle.down()
            turtle.select(lantern_chest-offset)
            turtle.placeUp()
            turtle.down()
        else
            turtle.select(fence_chest-offset)
            turtle.down()
            turtle.placeUp()
            turtle.down()
            turtle.select(lantern_chest-offset)
            turtle.placeUp()
            turtle.down()
        end
    end
    turtle.turnLeft()

    x, y, z = gps.locate()
    for i = 1, (y-start_y) do
        print("Down")
        turtle.down()
    end

end

while true do
    turtle.turnRight()
    turtle.turnRight()
    turtle.select(chunk_loaders)
    turtle.place()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.dig()

    refill_inventory()
    create_light()
    for i = 1, 11 do
        turtle.forward()
    end

    refill_inventory()
    create_light()
    for i = 1, 11 do
        turtle.forward()
    end

    refill_inventory()
    create_light()
    for i = 1, 11 do
        turtle.forward()
    end

    refill_inventory()
    create_light()
    for i = 1, 11 do
        turtle.forward()
    end

    turtle.select(chunk_loaders)
    turtle.place()

    turtle.turnRight()
    turtle.turnRight()
    for i = 1, 44 do
        turtle.forward()
    end
    turtle.select(chunk_loaders)
    turtle.dig()

    turtle.turnLeft()
    turtle.turnLeft()
    for i = 1, 44 do
        turtle.forward()
    end

end