forked from mtcontrib/minetest-mod-snow
update snow menu: sort settings and prepare for fixing changing settings with it (that no restart is needed)
This commit is contained in:
HybridDog
parent
4a30e67f46
commit
346a263761
114
src/util.lua
114
src/util.lua
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@ -30,6 +30,28 @@ local doc = {
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mapgen_size = "size of the generated… (has an effect to the rarity, too)",
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}
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-- functions for dynamically changing settings
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local on_configurings,n = {},1
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function snow.register_on_configuring(func)
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on_configurings[n] = func
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n = n+1
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end
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local function change_setting(name, value)
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if snow[name] == value then
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return
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end
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for i = 1,n-1 do
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if on_configurings[i](name, value) == false then
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return
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end
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end
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snow[name] = value
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end
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local function value_from_string(v)
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if v == "true" then
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v = true
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@ -46,7 +68,6 @@ end
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local allowed_types = {string = true, number = true, boolean = true}
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--Manage config.
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--Saves contents of config to file.
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local function saveConfig(path, config, doc)
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local file = io.open(path,"w")
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@ -64,15 +85,26 @@ local function saveConfig(path, config, doc)
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end
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file:close()
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end
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--Loads config and returns config values inside table.
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local function loadConfig(path)
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local modpath = minetest.get_modpath("snow")
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minetest.register_on_shutdown(function()
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saveConfig(modpath.."/config.txt", snow, doc)
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end)
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-- load settings from config.txt
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local config
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do
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local path = modpath.."/config.txt"
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local file = io.open(path,"r")
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if not file then
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--Create config file.
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if not file then
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--Create config file.
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return
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end
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io.close(file)
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local config = {}
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config = {}
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for line in io.lines(path) do
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if line:sub(1,1) ~= "#" then
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local i, v = line:match("^(%S*) = (%S*)")
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@ -81,16 +113,8 @@ local function loadConfig(path)
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end
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end
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end
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return config
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end
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local modpath = minetest.get_modpath("snow")
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minetest.register_on_shutdown(function()
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saveConfig(modpath.."/config.txt", snow, doc)
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end)
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local config = loadConfig(modpath.."/config.txt")
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if config then
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for i,v in pairs(config) do
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if type(snow[i]) == type(v) then
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@ -103,6 +127,9 @@ else
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saveConfig(modpath.."/config.txt", snow, doc)
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end
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-- load settings from minetest.conf
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for i,v in pairs(snow) do
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if allowed_types[type(v)] then
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local v = minetest.setting_get("snow_"..i)
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@ -115,20 +142,47 @@ end
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--MENU
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local function form_sort_func(a,b)
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return a[1] < b[1]
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end
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--[[
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local function form_sort_func_bool(a,b)
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if a[2] == b[2] then
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return a[1] < b[1]
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else
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return b[2]
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end
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end--]]
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local function get_formspec()
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local p = -0.5
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local formspec = "label[0,-0.3;Settings:]"
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local ids,n1,n2 = {{},{}},1,1
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for i,v in pairs(snow) do
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local t = type(v)
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if t == "string"
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or t == "number" then
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p = p + 1.5
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formspec = formspec.."field[0.3,"..p..";2,1;snow:"..i..";"..i..";"..v.."]"
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ids[2][n2] = {i,v}
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n2 = n2+1
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elseif t == "boolean" then
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p = p + 0.5
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formspec = formspec.."checkbox[0,"..p..";snow:"..i..";"..i..";"..tostring(v).."]"
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ids[1][n1] = {i,v}
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n1 = n1+1
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end
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end
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table.sort(ids[2], form_sort_func)
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table.sort(ids[1], form_sort_func)
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local p = -0.5
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local formspec = "label[0,-0.3;Settings:]"
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for n = 1,n1-1 do
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local i,v = unpack(ids[1][n])
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p = p + 0.5
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formspec = formspec.."checkbox[0,"..p..";snow:"..i..";"..i..";"..tostring(v).."]"
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end
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for n = 1,n2-1 do
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local i,v = unpack(ids[2][n])
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p = p + 1.5
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formspec = formspec.."field[0.3,"..p..";2,1;snow:"..i..";"..i..";"..v.."]"
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end
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p = p + 1
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formspec = "size[4,"..p..";]\n"..formspec
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return formspec
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@ -152,19 +206,21 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
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if allowed_types[t] then
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local field = fields["snow:"..i]
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if field then
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if t == "string" then
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snow[i] = field
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elseif t == "number" then
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local valid_number = tonumber(field)
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if valid_number then
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snow[i] = valid_number
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end
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if t == "number" then
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field = tonumber(field)
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elseif t == "boolean" then
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if field == "true" then
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snow[i] = true
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field = true
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elseif field == "false" then
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snow[i] = false
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field = false
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else
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field = nil
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end
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elseif t ~= "string" then
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field = nil
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end
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if field ~= nil then
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change_setting(i, field)
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end
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end
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end
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