tpad/storage.lua

111 lines
3.0 KiB
Lua

local storage = minetest.get_mod_storage()
function tpad._get_all_pads()
local storage_table = storage:to_table()
local allpads = {}
for key, value in pairs(storage_table.fields) do
local parts = key:split(":")
if parts[1] == "pads" then
local pads = minetest.deserialize(value)
if type(pads) == "table" then
allpads[parts[2]] = pads
end
end
end
return allpads
end
function tpad._get_stored_pads(ownername)
local serial_pads = storage:get_string("pads:" .. ownername)
if serial_pads == nil or serial_pads == "" then return {} end
return minetest.deserialize(serial_pads)
end
function tpad._set_stored_pads(ownername, pads)
storage:set_string("pads:" .. ownername, minetest.serialize(pads))
end
function tpad.set_max_total_pads(max)
if not max then max = 0 end
storage:set_string("max_total_pads_per_player", max)
end
function tpad.get_max_total_pads()
local max = tonumber(storage:get_string("max_total_pads_per_player"))
if not max then
tpad.set_max_total_pads(100)
return 100
end
return max
end
function tpad.set_max_global_pads(max)
if not max then max = 0 end
storage:set_string("max_global_pads_per_player", max)
end
function tpad.get_max_global_pads()
local max = tonumber(storage:get_string("max_global_pads_per_player"))
if not max then
tpad.set_max_global_pads(4)
return 4
end
return max
end
local function _convert_legacy_settings()
local legacy_settings_file = minetest.get_worldpath() .. "/mod_storage/" .. tpad.mod_name .. ".custom.conf"
local file = io.open(legacy_settings_file, "r")
if file then
file:close()
local settings = Settings(legacy_settings_file)
local max_global = tonumber(settings:get("max_global_pads_per_player"))
if max_global then
tpad.set_max_global_pads(max_global)
end
local max_total = tonumber(settings:get("max_total_pads_per_player"))
if max_total then
tpad.set_max_total_pads(max_total)
end
os.remove(legacy_settings_file)
end
end
_convert_legacy_settings()
tpad.get_max_total_pads()
tpad.get_max_global_pads()
local function _convert_storage_1_1()
local storage_table = storage:to_table()
for field, value in pairs(storage_table.fields) do
local parts = field:split(":")
if parts[1] == "pads" then
local pads = minetest.deserialize(value)
for key, name in pairs(pads) do
pads[key] = { name = name }
end
storage_table.fields[field] = minetest.serialize(pads)
end
end
storage:from_table(storage_table)
end
local function _storage_version_check()
local storage_version = storage:get_string("_version")
local storage_path = minetest.get_worldpath() .. "/mod_storage/"
if storage_version == "1.1" then
local file = io.open(storage_path .. tpad.mod_name, "r")
if file then
file:close()
tpad._copy_file(storage_path .. tpad.mod_name, storage_path .. tpad.mod_name .. ".1.1.backup")
end
_convert_storage_1_1()
elseif storage_version ~= "" and storage_version ~= tpad.version then
error("Mod storage version not supported, aborting to prevent data corruption")
end
storage:set_string("_version", tpad.version)
end
_storage_version_check()