101 lines
2.8 KiB
Lua
101 lines
2.8 KiB
Lua
---
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--worldtime
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--Copyright (C) 2012 Bad_Command
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--
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--This library is free software; you can redistribute it and/or
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--modify it under the terms of the GNU Lesser General Public
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--License as published by the Free Software Foundation; either
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--version 2.1 of the License, or (at your option) any later version.
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--
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--This program is distributed in the hope that it will be useful,
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--but WITHOUT ANY WARRANTY; without even the implied warranty of
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--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--GNU General Public License for more details.
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--
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--You should have received a copy of the GNU Lesser General Public
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--License along with this library; if not, write to the Free Software
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--Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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----
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-- Call this function to get the world time
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worldtime.get = function()
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return worldtime.worldtime
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end
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-- Obsolete function to get world time. Use worldtime.get().
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function worldtime_get()
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return worldtime.get()
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end
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worldtime.last_file_io = -1
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worldtime.worldtime = 0.0
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worldtime.get_filename = function()
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return minetest.get_worldpath(modname) .. "/" .. worldtime.save_file_name
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end
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worldtime.read_time = function()
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local file
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local err
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file,err = io.open( worldtime.get_filename(), "r" )
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if err then
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return false
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end
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local text = file:read("*all")
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local time = string.match(text, "^(%d+\.?%d*)$")
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if time == nil or string.match(time, "^%d+\.$") then
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minetest.log("info", "worldtime: Could not parse text when reading worldtime: " .. text)
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return false
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end
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worldtime.worldtime = time + 0.0
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worldtime.last_file_io = worldtime.worldtime
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return true
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end
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worldtime.write_time = function()
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local file
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local err
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file,err = io.open( worldtime.get_filename(), "w" )
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if err then
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return false
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end
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file:write(worldtime.worldtime)
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file:close()
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worldtime.last_file_io = worldtime.worldtime
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return true
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end
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worldtime.intialize = function()
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if not worldtime.read_time() then
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minetest.log('error',
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"WARNING: worldtime: Could not read time from "..
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worldtime.get_filename() )
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else
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minetest.log('trace',
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"worldtime: Read current time ("..worldtime.worldtime..") from "..
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worldtime.get_filename() )
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end
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end
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worldtime.persist = function()
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minetest.after(worldtime.persist_time_interval,worldtime.persist);
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if not worldtime.write_time() then
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minetest.log('error',
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"WARNING: worldtime: Could not save time to "..
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worldtime.get_filename() )
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else
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minetest.log('trace',
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"worldtime: Saved current time ("..worldtime.worldtime..") to "..
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worldtime.get_filename() )
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end
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end
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worldtime.timechange = function(dtime)
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worldtime.worldtime = worldtime.worldtime + dtime
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end
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worldtime.intialize()
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worldtime.persist()
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minetest.register_globalstep(worldtime.timechange)
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