yl_canned_food_mtg/internal.lua
2024-07-16 02:26:01 +02:00

96 lines
3.1 KiB
Lua

-- The functions and variables in this file are only for use in the mod itself.
-- Those that do real work should be local and wrapped in public functions
local function log(text)
local logmessage = yl_canned_food_mtg.t("log_prefix", yl_canned_food_mtg.modname, text)
if yl_canned_food_mtg.settings.debug then minetest.log("action", logmessage) end
return logmessage
end
function yl_canned_food_mtg.log(text) return log(text) end
local function get_savepath()
local savepath = yl_canned_food_mtg.worldpath .. yl_canned_food_mtg.settings.save_path
log(yl_canned_food_mtg.t("log_prefix", dump(savepath), ""))
return savepath
end
local function get_filepath(filename)
local path_to_file = get_savepath() .. DIR_DELIM .. filename .. ".json"
log(yl_canned_food_mtg.t("get_filepath", dump(filename), dump(path_to_file)))
return path_to_file
end
local function save_json(filename, content)
if type(filename) ~= "string" or type(content) ~= "table" then
return false
end
local savepath = get_filepath(filename)
local savecontent = minetest.write_json(content)
return minetest.safe_file_write(savepath, savecontent)
end
local function load_json(path)
local file = io.open(path, "r")
if not file then
return false, yl_canned_food_mtg.t("error_cannot_open_file", dump(path))
end
local content = file:read("*all")
file:close()
if not content then
return false, yl_canned_food_mtg.t("error_cannot_read_file", dump(path))
end
return true, minetest.parse_json(content)
end
-- Public functions wrap the private ones, so they can be exchanged easily
function yl_canned_food_mtg.get_filepath(filename)
return get_filepath(filename)
end
function yl_canned_food_mtg.load(filename, ...) return load_json(filename, ...) end
function yl_canned_food_mtg.save(filename, content, ...)
return save_json(filename, content, ...)
end
-- Read data
--
local function get_data()
local filename = yl_canned_food_mtg.settings.save_path
local filepath = yl_canned_food_mtg.get_filepath(filename)
yl_canned_food_mtg.json_recipes = yl_canned_food_mtg.load(filepath) or {}
return yl_canned_food_mtg.legacy_recipes or yl_canned_food_mtg.default_recipes or yl_canned_food_mtg.json_recipes
end
function yl_canned_food_mtg.get_data()
return get_data()
end
-- Check sttings match
--
local function check_settings_match()
if (yl_canned_food.settings.legacy == true) and (yl_canned_food_mtg.settings.data_source == "legacy") then
-- legacy: Nodenames looke like canned_food:apple_jam
return true
elseif (yl_canned_food.settings.legacy == false) and (yl_canned_food_mtg.settings.data_source == "default") then
-- default: Nodenames looke like yl_canned_food:apple_jam
return true
elseif (yl_canned_food_mtg.settings.data_source == "json") then
-- json: It's the user's responsibility to adjust the nodenames in the json
return true
else
return false
end
end
function yl_canned_food_mtg.check_settings_match()
return check_settings_match()
end