forked from MineClone5/MineClone5
#193 Add mcl_time
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a886eff056
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62231b50b6
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# mcl_time
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## by kay27 for MineClone 5
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---------------------------
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This mod counts time when all players sleep or some area is inactive.
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It depends very much in `time_speed` configuration variable, which could be changed 'on the fly' by a chat command.
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If `time_speed` set to 0, this mod logs warnings and returns zeroes.
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### mcl_time.get_seconds_irl()
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------------------------------
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Returns: Integer value of realtime (not in-game) seconds since world creation.
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Usually this value grow smoothly. But whe you skip the night being in the bed, or leave some area for some time, you may experience value jumps. That's basically the idea of this mod.
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### mcl_time.get_number_of_times(last_time, interval, chance)
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-------------------------------------------------------------
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Handy to process AMBs.
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You pass `last_time` - last known value of `seconds_irl`, also ABM `interval` and ABM `chance`.
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Returns:
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* Integer number of how many times ABM function should be called if the area was active all the time and you didn't skip the night.
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* Integer value of realtime (not in-game) seconds since world creation.
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### mcl_time.touch(pos)
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-----------------------
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This function 'toches' node at position `pos` by writing `_t` meta variable of `seconds_irl`.
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### mcl_time.get_number_of_times_at_pos(pos, interval, chance)
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--------------------------------------------------------------
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Much more handy to call from LBM or area load, than `mcl_time.get_number_of_times()`!
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It reads meta variable `_t` from position `pos` and uses it as previous `seconds_irl`, which then pass as first argument into `mcl_time.get_number_of_times()`.
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After calling this, it also 'touches' the node at `pos` by writing `seconds_irl` into meta variable `_t`.
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Returns:
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* Integer number of how many times ABM function should be called if the area was active all the time and you didn't skip the night.
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* Integer value of realtime (not in-game) seconds since world creation.
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*Warning!* This function can return 0. So it's better not to use it for regular ABMs - use `mcl_time.get_number_of_times_at_pos_or_1()` instead.
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### mcl_time.get_number_of_times_at_pos_or_1(pos, interval, chance)
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-------------------------------------------------------------------
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Much more handy to process ABMs than `mcl_time.get_number_of_times()` and `mcl_time.get_number_of_times_at_pos()`!
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It just calls `mcl_time.get_number_of_times_at_pos()` but doesn't return 0, the minimum number it can return is 1,
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which is the most suitable for regular ABM processing function.
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Returns:
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* Integer number of how many times ABM function should be called if the area was active all the time and you didn't skip the night.
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* Integer value of realtime (not in-game) seconds since world creation.
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mcl_time = {}
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local time_update_interval = 2
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local retry_on_fail_interval = 500
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local default_time_speed = 72
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local save_to_storage_interval = 600
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local meta_name = "_t"
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local current_time_update_interval = time_update_interval
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local storage = minetest.get_mod_storage()
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local seconds_irl_public = tonumber(storage:get_string("seconds_irl")) or -2
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local last_save_seconds_irl = seconds_irl_public
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local next_save_seconds_irl = last_save_seconds_irl + save_to_storage_interval
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local previous_seconds_irl = -2
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local function get_seconds_irl()
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local time_speed = tonumber(minetest.settings:get("time_speed") or default_time_speed)
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if time_speed < 1 then
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minetest.log("warning", "[mcl_time] time_speed < 1 - please increase to make mcl_time api work (default: " .. default_time_speed .. ")")
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return 0
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end
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local irl_multiplier = 86400 / time_speed
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local day_count = minetest.get_day_count()
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local timeofday = minetest.get_timeofday()
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local seconds_irl
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if not day_count or not timeofday then
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seconds_irl = seconds_irl_public
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else
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local days_ig = 0.0 + day_count + timeofday
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seconds_irl = days_ig * irl_multiplier
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end
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if previous_seconds_irl == seconds_irl then
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current_time_update_interval = math.min(current_time_update_interval * 2, retry_on_fail_interval)
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minetest.log("warning", "[mcl_time] Time doesn't change! seconds_irl=" .. tostring(seconds_irl)
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.. ", day_count = " .. tostring(day_count) .. ", timeofday=" .. tostring(timeofday)
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.. " - increasing update interval to " .. tostring(current_time_update_interval))
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else
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previous_seconds_irl = seconds_irl
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if current_time_update_interval ~= time_update_interval then
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current_time_update_interval = time_update_interval
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minetest.log("action", "[mcl_time] Time is changing again: seconds_irl=" .. tostring(seconds_irl)
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.. ", day_count = " .. tostring(day_count) .. ", timeofday=" .. tostring(timeofday)
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.. ", update_interval=" .. tostring(current_time_update_interval))
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end
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end
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if last_save_seconds_irl >= next_save_seconds_irl then
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storage:set_string("seconds_irl", tostring(seconds_irl))
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next_save_seconds_irl = seconds_irl + save_to_storage_interval
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end
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return seconds_irl
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end
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local seconds_irl_public = get_seconds_irl()
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function mcl_time.get_seconds_irl()
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return seconds_irl_public
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end
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local function time_runner()
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seconds_irl_public = get_seconds_irl()
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minetest.after(current_time_update_interval, time_runner)
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end
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function mcl_time.get_number_of_times(last_time, interval, chance)
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if not last_time then return 0 end
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if seconds_irl_public < 2 then return 0 end
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if not interval then return 0 end
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if not chance then return 0 end
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if interval < 1 then return 0 end
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if chance < 1 then return 0 end
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local number_of_intervals = (seconds_irl_public - last_time) / interval
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if number_of_intervals < 1 then return 0 end
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local average_chance = (1 + chance) / 2
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local number_of_times = math.floor(number_of_intervals / average_chance)
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return number_of_times, seconds_irl_public
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end
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local get_number_of_times = mcl_time.get_number_of_times
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function mcl_time.touch(pos)
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local meta = minetest.get_meta(pos)
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meta:set_int(meta_name, seconds_irl_public)
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end
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local touch = mcl_time.touch
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function mcl_time.get_number_of_times_at_pos(pos, interval, chance)
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if not pos then return 0 end
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local meta = minetest.get_meta(pos)
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local last_time = meta:get_int(meta_name)
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local number_of_times = (last_time == 0) and 0 or get_number_of_times(last_time, interval, chance)
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touch(pos)
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return number_of_times, seconds_irl_public
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end
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local get_number_of_times_at_pos = mcl_time.get_number_of_times_at_pos
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function mcl_time.get_number_of_times_at_pos_or_1(pos, interval, chance)
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return math.max(get_number_of_times_at_pos(pos, interval, chance), 1), seconds_irl_public
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end
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function mcl_time.get_irl_seconds_passed_at_pos(pos)
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if not pos then return 0 end
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local meta = minetest.get_meta(pos)
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local last_time = meta:get_int(meta_name)
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local irl_seconds_passed = (last_time == 0) and 0 or (seconds_irl_public - last_time)
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return irl_seconds_passed
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end
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function mcl_time.get_irl_seconds_passed_at_pos_or_1(pos)
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if not pos then return 1 end
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local meta = minetest.get_meta(pos)
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local last_time = meta:get_int(meta_name)
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local irl_seconds_passed = (last_time == 0) and 1 or (seconds_irl_public - last_time)
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return irl_seconds_passed
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end
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function mcl_time.get_irl_seconds_passed_at_pos_or_nil(pos)
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if not pos then return end
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local meta = minetest.get_meta(pos)
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local last_time = meta:get_int(meta_name)
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if last_time == 0 then return end
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local delta_time = seconds_irl_public - last_time
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if delta_time <= 0 then return end
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return delta_time
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end
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time_runner()
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local day_count = minetest.get_day_count()
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local timeofday = minetest.get_timeofday()
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minetest.log("action", "[mcl_time] time runner started, current in-real-life seconds: " .. seconds_irl_public
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.. ", time_speed: " .. tostring(minetest.settings:get("time_speed"))
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.. ", day_count: " .. tostring(day_count)
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.. ", timeofday: " .. tostring(timeofday)
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.. ", update_interval=" .. tostring(current_time_update_interval)
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)
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name = mcl_time
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author = kay27
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description = This mod counts time when all players sleep or some area is inactive
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@ -215,62 +215,11 @@ local function swap_node(pos, name)
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end
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end
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local function furnace_reset_delta_time(pos)
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local meta = minetest.get_meta(pos)
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local time_speed = tonumber(minetest.settings:get("time_speed") or 72)
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if (time_speed < 0.1) then
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return
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end
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local time_multiplier = 86400 / time_speed
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local current_game_time = .0 + ((minetest.get_day_count() + minetest.get_timeofday()) * time_multiplier)
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-- TODO: Change meta:get/set_string() to get/set_float() for "last_gametime".
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-- In Windows *_float() works OK but under Linux it returns rounded unusable values like 449540.000000000
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local last_game_time = meta:get_string("last_gametime")
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if last_game_time then
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last_game_time = tonumber(last_game_time)
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end
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if not last_game_time or last_game_time < 1 or math.abs(last_game_time - current_game_time) <= 1.5 then
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return
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end
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meta:set_string("last_gametime", tostring(current_game_time))
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end
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local function furnace_get_delta_time(pos, elapsed)
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local meta = minetest.get_meta(pos)
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local time_speed = tonumber(minetest.settings:get("time_speed") or 72)
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local current_game_time
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if (time_speed < 0.1) then
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return meta, elapsed
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else
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local time_multiplier = 86400 / time_speed
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current_game_time = .0 + ((minetest.get_day_count() + minetest.get_timeofday()) * time_multiplier)
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end
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local last_game_time = meta:get_string("last_gametime")
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if last_game_time then
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last_game_time = tonumber(last_game_time)
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end
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if not last_game_time or last_game_time < 1 then
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last_game_time = current_game_time - 0.1
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elseif last_game_time == current_game_time then
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current_game_time = current_game_time + 1.0
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end
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local elapsed_game_time = .0 + current_game_time - last_game_time
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meta:set_string("last_gametime", tostring(current_game_time))
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return meta, elapsed_game_time
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end
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local function furnace_node_timer(pos, elapsed)
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--
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-- Inizialize metadata
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--
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local meta, elapsed_game_time = furnace_get_delta_time(pos, elapsed)
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local meta = minetest.get_meta(pos)
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local fuel_time = meta:get_float("fuel_time") or 0
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local src_time = meta:get_float("src_time") or 0
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local src_item = meta:get_string("src_item") or ""
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@ -294,6 +243,7 @@ local function furnace_node_timer(pos, elapsed)
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end
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local update = true
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local elapsed_game_time = mcl_time.get_irl_seconds_passed_at_pos_or_nil(pos) or elapsed
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while elapsed_game_time > 0.00001 and update do
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--
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-- Cooking
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@ -489,20 +439,20 @@ minetest.register_node("mcl_furnaces:furnace", {
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on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
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-- Reset accumulated game time when player works with furnace:
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furnace_reset_delta_time(pos)
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mcl_time.touch(pos)
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minetest.get_node_timer(pos):start(1.0)
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on_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
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end,
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on_metadata_inventory_put = function(pos)
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-- Reset accumulated game time when player works with furnace:
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furnace_reset_delta_time(pos)
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mcl_time.touch(pos)
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-- start timer function, it will sort out whether furnace can burn or not.
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minetest.get_node_timer(pos):start(1.0)
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end,
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on_metadata_inventory_take = function(pos, listname, index, stack, player)
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-- Reset accumulated game time when player works with furnace:
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furnace_reset_delta_time(pos)
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mcl_time.touch(pos)
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-- start timer function, it will helpful if player clears dst slot
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minetest.get_node_timer(pos):start(1.0)
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@ -1,3 +1,3 @@
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name = mcl_nether
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depends = mcl_core, mcl_sounds, mcl_util, walkover, doc_items, mcl_colors
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depends = mcl_core, mcl_sounds, mcl_util, walkover, doc_items, mcl_colors, mcl_time
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optional_depends = doc, screwdriver
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@ -6,21 +6,6 @@ local interval = 35
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local chance = 11
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local max_interval = interval * chance
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local time_speed
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local time_multiplier
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local current_game_time
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function update_timespeed()
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time_speed = tonumber(minetest.settings:get("time_speed") or 72)
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time_multiplier = 86400 / time_speed
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current_game_time = .0 + ((minetest.get_day_count() + minetest.get_timeofday()) * time_multiplier)
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minetest.after(5, update_timespeed)
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end
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minetest.register_on_mods_loaded(function()
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minetest.after(5, update_timespeed)
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end)
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minetest.register_node("mcl_nether:nether_wart_0", {
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description = S("Premature Nether Wart (Stage 1)"),
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_doc_items_longdesc = S("A premature nether wart has just recently been planted on soul sand. Nether wart slowly grows on soul sand in 4 stages (the second and third stages look identical). Although nether wart is home to the Nether, it grows in any dimension."),
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@ -183,6 +168,9 @@ local function grow(pos, node)
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new_node.param = node.param
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new_node.param2 = node.param2
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minetest.set_node(pos, new_node)
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local meta = minetest.get_meta(pos)
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meta:set_string("gametime", tostring(mcl_time:get_seconds_irl()))
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end
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minetest.register_abm({
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@ -197,9 +185,10 @@ minetest.register_abm({
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return
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end
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pos.y = pos.y+1
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grow(pos, node)
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local meta = minetest.get_meta(pos)
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meta:set_string("gametime", tostring(current_game_time))
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for i = 1, mcl_time.get_number_of_times_at_pos_or_1(pos, interval, chance) do
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grow(pos, node)
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end
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end
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})
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@ -214,26 +203,14 @@ minetest.register_lbm({
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return
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end
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pos.y = pos.y+1
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local meta = minetest.get_meta(pos)
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local last_game_time = tonumber(meta:get_string("gametime"))
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if not last_game_time then return end
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local real_seconds = last_game_time - current_game_time
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if real_seconds < interval then return end
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local threshold = math.random(interval, max_interval)
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local i = 0
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while real_seconds >= threshold and i < 4 do
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for i = 1, mcl_time.get_number_of_times_at_pos(pos, interval, chance) do
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grow(pos, node)
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real_seconds = real_seconds - threshold
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threshold = math.random(interval, max_interval)
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i = i + 1
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end
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end
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})
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if minetest.get_modpath("doc") then
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for i=1,2 do
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for i=1, 2 do
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doc.add_entry_alias("nodes", "mcl_nether:nether_wart_0", "nodes", "mcl_nether:nether_wart_"..i)
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end
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end
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