40 lines
1.1 KiB
Lua
40 lines
1.1 KiB
Lua
local S = minetest.get_translator("travelnet")
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local mod_data_path = minetest.get_worldpath() .. "/mod_travelnet.data"
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-- called whenever a station is added or removed
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function travelnet.save_data()
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local data = minetest.write_json(travelnet.targets)
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local success = minetest.safe_file_write(mod_data_path, data)
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if not success then
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print(S("[Mod travelnet] Error: Savefile '@1' could not be written.", mod_data_path))
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end
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end
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function travelnet.restore_data()
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local file = io.open(mod_data_path, "r")
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if not file then
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print(S("[Mod travelnet] Error: Savefile '@1' not found.", mod_data_path))
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return
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end
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local data = file:read("*all")
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if data:sub(1, 1) == "{" then
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travelnet.targets = minetest.parse_json(data)
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else
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travelnet.targets = minetest.deserialize(data)
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end
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if not travelnet.targets then
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local backup_file = mod_data_path .. ".bak"
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print(S("[Mod travelnet] Error: Savefile '@1' is damaged." .. " " ..
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"Saved the backup as '@2'.", mod_data_path, backup_file))
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minetest.safe_file_write(backup_file, data)
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travelnet.targets = {}
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end
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file:close()
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end
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