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--Global config and function table.
snow = {
legacy = true,
sleds = true,
enable_snowfall = true,
lighter_snowfall = false,
debug = false,
smooth_biomes = true,
christmas_content = true,
smooth_snow = true,
min_height = 3,
}
--Config documentation.
local doc = {
legacy = "Whether you are running a legacy minetest version (auto-detected).",
sleds = "Disable this to prevent sleds from being riden.",
enable_snowfall = "Enables falling snow.",
lighter_snowfall = "Reduces the amount of resources and fps used by snowfall.",
debug = "Enables debug output.",
smooth_biomes = "Enables smooth transition of biomes",
christmas_content = "Disable this to remove christmas saplings from being found.",
smooth_snow = "Disable this to stop snow from being smoothed.",
min_height = "The minumum height a snow biome will generate.",
}
--Manage config.
--Saves contents of config to file.
local function saveConfig(path, config, doc)
local file = io.open(path,"w")
if file then
for i,v in pairs(config) do
local t = type(v)
if t == "string" or t == "number" or t == "boolean" then
if doc and doc[i] then
file:write("# "..doc[i].."\n")
end
file:write(i.." = "..tostring(v).."\n")
end
end
end
end
--Loads config and returns config values inside table.
local function loadConfig(path)
local config = {}
local file = io.open(path,"r")
if file then
io.close(file)
for line in io.lines(path) do
if line:sub(1,1) ~= "#" then
i, v = line:match("^(%S*) = (%S*)")
if i and v then
if v == "true" then v = true end
if v == "false" then v = false end
if tonumber(v) then v = tonumber(v) end
config[i] = v
end
end
end
return config
else
--Create config file.
return nil
end
end
minetest.register_on_shutdown(function() saveConfig(minetest.get_modpath("snow").."/config.txt", snow, doc) end)
local config = loadConfig(minetest.get_modpath("snow").."/config.txt")
if config then
for i,v in pairs(config) do
if type(snow[i]) == type(v) then
snow[i] = v
end
end
else
saveConfig(minetest.get_modpath("snow").."/config.txt", snow, doc)
end
for i,v in pairs(snow) do
local t = type(v)
if t == "string" or t == "number" or t == "boolean" then
local v = minetest.setting_get("snow_"..i)
if v ~= nil then
if v == "true" then v = true end
if v == "false" then v = false end
if tonumber(v) then v = tonumber(v) end
snow[i] = v
end
end
end
--AUTO DETECT and/or OVERIDEN values--
--legacy--
--Detect if we are running the latest minetest.
if minetest.register_on_mapgen_init then
snow.legacy = false
else
snow.legacy = true
end
if config and snow.legacy ~= config.legacy then
saveConfig(minetest.get_modpath("snow").."/config.txt", snow, doc)
end
--MENU
local get_formspec = function()
local p = -0.5
local formspec = "label[0,-0.3;Settings:]"
for i,v in pairs(snow) do
local t = type(v)
if t == "string" or t == "number" then
p = p + 1.5
formspec = formspec.."field[0.3,"..p..";2,1;snow:"..i..";"..i..";"..v.."]"
elseif t == "boolean" then
p = p + 0.5
formspec = formspec.."checkbox[0,"..p..";snow:"..i..";"..i..";"..tostring(v).."]"
end
end
p = p + 1
formspec = "size[4,"..p..";]\n"..formspec
return formspec
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname == "snow:menu" then
for i,v in pairs(snow) do
local t = type(v)
if t == "string" or t == "number" or t == "boolean" then
if fields["snow:"..i] then
if t == "string" then
snow[i] = fields["snow:"..i]
end
if t == "number" then
snow[i] = tonumber(fields["snow:"..i])
end
if t == "boolean" then
if fields["snow:"..i] == "true" then snow[i] = true end
if fields["snow:"..i] == "false" then snow[i] = false end
end
end
end
end
end
end)
minetest.register_chatcommand("snow", {
description = "Show a menu for various actions",
privs = {server=true},
func = function(name, param)
minetest.show_formspec(name, "snow:menu", get_formspec())
end,
})