Factorio Forums

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available_cargo_pod_destination = Public.get_available_cargo_pod_destination(pod)
game.print("目的地状态：reserved=" .. tostring(available_cargo_pod_destination.hatch.reserved)
     .. ", busy=" .. tostring(available_cargo_pod_destination.hatch.busy))
multi_pod.cargo_pod_destination = available_cargo_pod_destination -- it's line 184

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function Public.get_available_cargo_pod_destination(pod)
    local pod_unit = "pod" .. tostring(pod.unit_number)
    -- 火箭去处，CargoDestination
    local pod_to_table = pod.cargo_pod_destination
    -- 火箭目标物流接驳站，LuaEntity
    local cargo_landing_pad = pod_to_table["station"]
    -- 火箭目标类型，station=1，space_platform=2，surface=3，往星球落只有1或3
    if pod_to_table["type"] == defines.cargo_destination.station then
        if cargo_landing_pad and cargo_landing_pad.cargo_hatches then
            game.print(pod_unit .. "目的地station，正常")
            -- 如果目标为接驳站，那么需要遍历所有hatch以找到不是reserved状态的
            -- 接驳站所有的货物接口（物流接驳站3个，扩展接驳站1个），array[LuaCargoHatch]
            for _, hatch in pairs(cargo_landing_pad.cargo_hatches) do
                -- 使用帧内预约系统
                if hatch.valid and is_hatch_not_reserved(hatch) then
                    return {
                        type = defines.cargo_destination.station,
                        station = pod.cargo_pod_destination.station,
                        hatch = hatch,
                        transform_launch_products = pod.cargo_pod_destination.transform_launch_products,
                        surface = pod.cargo_pod_destination.surface,
                        position = pod.cargo_pod_destination.position,
                        land_at_exact_position = pod.cargo_pod_destination.land_at_exact_position,
                        space_platform = pod.cargo_pod_destination.space_platform,
                    }
                end
            end
            game.print(pod_unit .. "找不到可用的接驳口")
            return nil
        else
            game.print(pod_unit .. "目的地station，但cargo_landing_pad或cargo_landing_pad.cargo_hatches异常")
            return nil
        end
    elseif pod_to_table["type"] == defines.cargo_destination.surface then
        game.print(pod_unit .. "目的地surface，正常")
        -- 如果目标为表面，那么直接使用旧pod的目标点位
        return {
            type = defines.cargo_destination.surface,
            station = pod.cargo_pod_destination.station,
            hatch = pod.cargo_pod_destination.hatch,
            transform_launch_products = pod.cargo_pod_destination.transform_launch_products,
            surface = pod.cargo_pod_destination.surface,
            position = pod.cargo_pod_destination.position,
            land_at_exact_position = pod.cargo_pod_destination.land_at_exact_position,
            space_platform = pod.cargo_pod_destination.space_platform,
        }
    else
        game.print(pod_unit .. "目的地" .. tostring(pod_to_table["type"] .. "，异常！"))
        return nil
    end
end

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function is_hatch_not_reserved(hatch)
    if not hatch.valid or hatch.reserved or hatch.busy then
        return false
    end
    local frame_reservations = storage.multiple_spaceship.frame_reservations
    local key = hatch.owner.position
    local val = game.tick
    if frame_reservations[key] and frame_reservations[hatch.owner.position] > val - 60 then
        return false
    end
    frame_reservations[key] = val
    game.print("已预定位于(" .. key.x .. ", " .. key.y .. ")的货仓")
    return true
end

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                        local multi_pod_destination = nil
                        if pod.cargo_pod_destination["type"] == defines.cargo_destination.station then
                            multi_pod_destination = {
                                type = defines.cargo_destination.station,
                                station = pod.cargo_pod_destination.station,
                                hatch = nil, -- do NOT set hatch!!!
                                transform_launch_products = pod.cargo_pod_destination.transform_launch_products,
                            }
                            -- or you can use surface:
                            -- multi_pod_destination = {
                            --     type = defines.cargo_destination.surface,
                            --     transform_launch_products = false,
                            --     surface = pod.cargo_pod_destination.station.surface,
                            --     position = nil,
                            --     land_at_exact_position = false,
                            -- }
                        else
                            multi_pod_destination = {
                                type = defines.cargo_destination.surface,
                                transform_launch_products = false,
                                surface = pod.cargo_pod_destination.surface,
                                position = nil,
                                land_at_exact_position = false,
                            }
                        end