selfRefuel

-- ----------------------------------------------
-- Utilities
-- ----------------------------------------------
function doSelfRefuel(inspectFunc, placeFunc)
    local function findOne(name, metadata)
        for i = 1, 16 do
            if 1 == turtle.getItemCount(i) then
                local detail = turtle.getItemDetail(i)
                if nil ~= detail and detail.name == name and detail.damage == metadata then
                    return i
                end
            end
        end
        return -1
    end
    local selected = turtle.getSelectedSlot()
    local rslt, inspect = inspectFunc()
    if true == rslt and inspect.name == "minecraft:flowing_lava" and inspect.metadata == 0 then
        local bucketSlot = findOne("minecraft:bucket", 0) -- とりあえず空バケツ１個の場合だけ実装する
        if -1 ~= bucketSlot then
            turtle.select(bucketSlot)
            placeFunc() -- 溶岩を汲む
            local lavaBucketSlot = findOne("minecraft:lava_bucket", 0)
            if -1 ~= lavaBucketSlot then
                turtle.select(lavaBucketSlot)
                turtle.refuel()
            end
        end
    end
    turtle.select(selected)
end
function selfRefuelUp()
    return doSelfRefuel(turtle.inspectUp, turtle.placeUp)
end
function selfRefuel()
    return doSelfRefuel(turtle.inspect, turtle.place)
end
function selfRefuelDown()
    return doSelfRefuel(turtle.inspectDown, turtle.placeDown)
end
-- ----------------------------------------------
-- Utilities
-- ----------------------------------------------
local args = { ... }
if 0 == #args then
    print("bad argument")
elseif "forward" == args[1] then
    print("selfRefuel()")
    print("before : " .. tostring(turtle.getFuelLevel()))
    selfRefuel()
    print("after  : " .. tostring(turtle.getFuelLevel()))
elseif "up" == args[1] then
    print("selfRefuelUp()")
    print("before : " .. tostring(turtle.getFuelLevel()))
    selfRefuelUp()
    print("after  : " .. tostring(turtle.getFuelLevel()))
elseif "down" == args[1] then
    print("selfRefuelDown()")
    print("before : " .. tostring(turtle.getFuelLevel()))
    selfRefuelDown()
    print("after  : " .. tostring(turtle.getFuelLevel()))
else
    print("bad argument")
end