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LeMagnesium
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Time Regulation
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===============
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By Mg/LeMagnesium
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License: CC0
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--------------------
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-- Time Regulation
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-- By Mg/LeMagnesium
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-- License: CC0
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-- Last modification :
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--
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-- Namespace first, with basic informations
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time_reg = {}
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time_reg.version = "00.01.00"
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time_reg.author = "Mg/LeMagnesium"
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-- Definitions
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time_reg.time_speed = 72
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time_reg.loop_interval = 0
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time_reg.loop_active = false
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time_reg.threshold = {}
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time_reg.threshold.day = 5000 -- time units
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time_reg.threshold.night = 19000 -- time units
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time_reg.moment = ""
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time_reg.duration = 1440 / time_reg.time_speed
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time_reg.day_time_speed = 0
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time_reg.night_time_speed = 0
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--[[ Status :
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0: Dead
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1: Idle
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2: Active
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]]
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time_reg.status = 2
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time_reg.ratio = { -- Expressed in percent
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day = tonumber(minetest.setting_get("day_time_ratio")) or 50,
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night = tonumber(minetest.setting_get("night_time_ratio")) or 50,
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}
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if (time_reg.ratio.day + time_reg.ratio.night ~= 100) or time_reg.ratio.day < 0 or time_reg.ratio.night < 0 then
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minetest.log("error", ("[TimeRegulation] Invalid ratio : %d/100 day & %d/100 night. Setting to 50/50"):format(time_reg.ratio.day, time_reg.ratio.night))
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time_reg.ratio.day, time_reg.ratio.night = 50, 50
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end
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-- Crappy overrides
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local old_settime_func = core.chatcommands["time"].func
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core.chatcommands["time"].func = function(...)
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local res, msg = old_settime_func(...)
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if res and time_reg.status == 2 then
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time_reg.do_calculation()
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time_reg.loop(0, false)
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minetest.log("action", "[TimeRegulation] Settime override : updating regulation")
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end
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return res, msg
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end
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local old_set_func = core.chatcommands["set"].func
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core.chatcommands["set"].func = function(...)
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local res, msg = old_set_func(...)
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if res and time_reg.status ~= 0 then
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time_reg.update_constants()
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time_reg.loop(false)
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minetest.log("action", "[TimeRegulation] Set override : updating constants and regulation")
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end
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return res, msg
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end
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-- Then methods
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function time_reg.do_calculation()
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time_reg.time_speed = tonumber(minetest.setting_get("time_speed")) -- Absolute Time Speed
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time_reg.duration = 1440 / time_reg.time_speed -- Absolute Human Speed
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local day_htime, night_htime = time_reg.duration * (time_reg.ratio.day/100), time_reg.duration * (time_reg.ratio.night/100)
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time_reg.loop_interval = (math.min(night_htime, day_htime) / 12) * 60
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time_reg.day_time_speed = 1440 / (day_htime * 2)
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time_reg.night_time_speed = 1440 / (night_htime * 2)
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end
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function time_reg.update_constants()
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time_reg.time_speed = minetest.setting_get("time_speed")
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time_reg.do_calculation()
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if time_reg.status == 1 and time_reg.time_speed > 0 then
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time_reg.set_status(2, "ACTIVE")
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end
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end
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function time_reg.start_loop()
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if time_reg.loop_active then
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minetest.log("action", "[TimeRegulation] Will not start the loop : one is already running")
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return false
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end
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time_reg.loop_active = true
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minetest.log("action", "[TimeRegulation] Loop started")
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minetest.after(0, time_reg.loop, true)
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return true
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end
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function time_reg.stop_loop()
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if not time_reg.loop_active then
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minetest.log("action", "[TimeRegulation] Will not break the loop : no loop running")
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return false
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end
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time_reg.loop_active = false
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minetest.log("action", "[TimeRegulation] Loop asked to stop")
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return true
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end
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function time_reg.set_status(x, title)
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minetest.log("action", "[TimeRegulation] Entered status " .. x .. " (" .. title .. ")")
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time_reg.status = x
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end
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-- And the loop
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function time_reg.loop(loop)
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-- Determine TOD and current moment
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local tod = minetest.get_timeofday() * 24000
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local moment = "day"
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if tod < time_reg.threshold.day or tod > time_reg.threshold.night then
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moment = "night"
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end
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if time_reg.time_speed == 0 then
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time_reg.set_status(1, "IDLE")
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return
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end
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-- Update if threshold reached
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if moment ~= time_reg.moment then
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-- We've reached a treshold
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time_reg.moment = moment
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if moment == "day" then
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if time_reg.ratio.day == 0 then
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minetest.set_timeofday(time_reg.threshold.night / 2400)
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minetest.log("action", "[TimeRegulation] Entering day period : period skipped")
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else
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minetest.setting_set("time_speed", time_reg.day_time_speed)
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minetest.log("action", "[TimeRegulation] Entering day period : time_speed " .. time_reg.day_time_speed)
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end
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else
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if time_reg.ratio.night == 0 then
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minetest.set_timeofday(time_reg.threshold.day / 24000)
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minetest.log("action", "[TimeRegulation] Entering night period : period skipped")
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else
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minetest.setting_set("tims_speed", time_reg.night_time_speed)
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minetest.log("action", "[TimeRegulation] Entering night period : time_speed " .. time_reg.night_time_speed)
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end
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end
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end
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-- Loop if we weren't broken
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if loop then
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minetest.after(time_reg.loop_interval, time_reg.loop, time_reg.loop_active)
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else
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minetest.log("action", "[TimeRegulation] Loop stopped")
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end
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end
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time_reg.update_constants()
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time_reg.start_loop()
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-- chatcommand
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minetest.register_chatcommand("time_reg", {
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description = "Control time_regulation",
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privs = {server = true},
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func = function(name, param)
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if param == "" then
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return true, "see /time_reg help"
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elseif param == "help" then
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return true, "Supported commands: start, stop"
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elseif param == "stop" then
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local res = time_reg.stop_loop()
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if res then
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time_reg.set_status(0, "DEAD")
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return true, "Loop was told to stop\nTime regulation disabled"
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else
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return false, "Loop couldn't be stopped, it isn't running"
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end
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elseif param == "start" then
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local res = time_reg.start_loop()
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if res then
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time_reg.set_status(2, "ACTIVE")
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time_reg.update_constants()
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return true, "Loop started. Time regulation enabled"
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else
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return false, "Loop couldn't be started, it already is"
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end
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else
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return false, "Unknown subcommand: " .. param
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end
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end
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})
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-- Startup informations
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local function log(x) minetest.log("action", "[TimeRegulation] " .. (x or "")) end
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log("Thank you for using TimeRegulation v" .. time_reg.version .. " by " .. time_reg.author)
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log("Status: " .. time_reg.status)
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log("Absolute Time Speed: " .. time_reg.time_speed)
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log("Duration: " .. time_reg.duration)
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log("Loop interval: " .. time_reg.loop_interval .. "s")
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log("Ratio:")
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log("\tDay: " .. time_reg.ratio.day .. "%")
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log("\tNight: " .. time_reg.ratio.night .. "%")
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log("Applied time speeds:")
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log("\tDay: " .. time_reg.day_time_speed)
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log("\tNight: " .. time_reg.night_time_speed)
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