116 lines
2.5 KiB
Lua
116 lines
2.5 KiB
Lua
-- Flatfile storage engine
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-- Not recommended
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local extension = "lua"
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local serialize = true
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local function write_meta(town,dir,data)
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local world = minetest.get_worldpath()
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local directory = world.."/towny/"..dir
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local filepath = town.."."..extension
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minetest.mkdir(directory)
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data.dirty = nil
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data.level = nil
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local serialized
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if serialize then
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serialized = minetest.serialize(data)
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else
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serialized = minetest.write_json(data)
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end
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if not serialized then return end
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minetest.safe_file_write(directory.."/"..filepath, serialized)
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end
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local function load_meta(filepath)
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local file = io.open(filepath)
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if not file then
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return nil
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end
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local str = ""
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for line in file:lines() do
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str = str..line
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end
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file:close()
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local data
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if serialize then
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data = minetest.deserialize(str)
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else
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data = minetest.parse_json(str)
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end
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return data
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end
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function towny.storage.save_town_meta(town)
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local tmeta = towny.towns[town]
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if tmeta and tmeta.dirty then
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towny.get_town_level(town, true)
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minetest.after(0.1, function ()
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write_meta(town,"meta",tmeta)
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tmeta.dirty = false
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end)
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end
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local rmeta = towny.regions.memloaded[town]
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if rmeta and rmeta.dirty then
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minetest.after(0.2, function ()
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write_meta(town,"region",rmeta)
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rmeta.dirty = false
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end)
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end
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end
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local ldirs = { "meta", "region" }
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function towny.storage.load_all_towns()
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local world = minetest.get_worldpath()
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local metadir = world.."/towny/"..ldirs[1]
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minetest.mkdir(metadir)
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local metas = minetest.get_dir_list(metadir, false)
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for _,file in pairs(metas) do
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if file:match("."..extension.."$") then
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local town = file:gsub("."..extension,"")
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minetest.after(0.1, function ()
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local towndata = load_meta(metadir.."/"..file)
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if not towndata then return end
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towny.towns[town] = towndata
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towny.get_town_level(town, true)
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end)
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end
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end
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local regiondir = world.."/towny/"..ldirs[2]
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minetest.mkdir(regiondir)
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local regions = minetest.get_dir_list(regiondir, false)
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for _,file in pairs(regions) do
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if file:match("."..extension.."$") then
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local town = file:gsub("."..extension,"")
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minetest.after(0.1, function ()
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local regiondata = load_meta(regiondir.."/"..file)
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if not regiondata then return end
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towny.regions.memloaded[town] = regiondata
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end)
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end
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end
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end
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function towny.storage.delete_all_meta(town)
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local world = minetest.get_worldpath()
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local file = town.."."..extension
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for _,d in pairs(ldirs) do
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local dir = world.."/towny/"..d
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local path = dir.."/"..file
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minetest.after(0.1, os.remove, path)
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end
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end
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