Get settings GUI implemented and functional

mods/CORE/vl_tuning/gui.lua

@@ -2,26 +2,69 @@ local modname = "vl_tuning"
 local modpath = minetest.get_modpath(modname)
 local S = minetest.get_translator(modname)
 local F = function(f) return minetest.formspec_escape(S(f)) end
+local FE = minetest.formspec_escape
+local mod = vl_tuning
+
+local function bool_to_string(value)
+	if value then return "true" end
+	return "false"
+end
+
+local function formspec_for_setting(y, name)
+	local setting = mod.registered_settings[name]
+	if not setting then return "" end
+
+	local setting_type = setting.setting_type
+
+	local fs = {}
+	table.insert(fs, "label[0,"..(y+0.15)..";"..FE(name).."]")
+	table.insert(fs, "hypertext[0.15,"..(y+0.25)..";14.85,0.65;;"..FE("<style color=black>"..(setting.description or "").."</style>").."]")
+
+	if setting_type == "bool" then
+		table.insert(fs, "checkbox[17,"..(y+0.15)..";"..FE(name)..";;"..bool_to_string(setting[1]).."]")
+	elseif setting_type == "number" then
+		table.insert(fs, "field[15,"..y..";2.5,0.75;"..FE(name)..";;"..string.format("%.4g", setting[1]).."]")
+		table.insert(fs, "field_close_on_enter["..FE(name)..";false]")
+	elseif setting_type == "string" then
+	end
+
+	return table.concat(fs)
+end
 
 function vl_tuning.show_formspec(player_name, tab)
-	if not tab then tab = 1 end
+	if not tab then tab = "1" end
 
-	local gamerules = {}
 	local settings = {}
+	local y = 0.5
 	for name,_ in pairs(vl_tuning.registered_settings) do
 		if name:sub(0,#"gamerule:") == "gamerule:" then
-			table.insert(gamerules, name)
+			if tab == "1" then
+				table.insert(settings, formspec_for_setting(y,name))
+				y = y + 1
+			end
 		else
-			table.insert(settings, name)
+			if tab == "2" then
+				table.insert(settings, formspec_for_setting(y,name))
+				y = y + 1
 			end
 		end
-	local formspec =
-		"formspec_version[4]"..
-		"size[25,15,true]"..
+	end
+
+	local formspec = table.concat({
+		"formspec_version[4]",
+		"size[20,10.5,true]",
 		"tabheader[0,0;tab;"..
 			F("Game Rules")..","..
 			F("Settings")..
-		";"..tab..";false;false]"
+		";"..tab..";false;false]",
+		"field[0,0;0,0;old_tab;;"..tab.."]",
+
+		"scroll_container[1,0.5;18,9.25;settings;vertical;]",
+		table.concat(settings),
+		"scroll_container_end[]",
+		"scrollbaroptions[min=0;max="..tostring(10 * math.max(#settings - 9, 0))..";smallstep=1;largestep=1]",
+		"scrollbar[18.75,0.75;0.75,9.25;vertical;settings;0]",
+		})
 
 	minetest.show_formspec(player_name, "vl_tuning:settings", formspec)
 end
@@ -33,16 +76,24 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		fields = fields,
 		formname = formname,
 	}))
-	if fields.quit then
-		return
+
+	for k,value in pairs(fields) do
+		local setting = mod.registered_settings[k]
+		if setting then
+			setting:set(value)
 		end
-	vl_tuning.show_formspec(player:get_player_name(), fields.tab)
+	end
+
+	if fields.quit or (not fields.tab or fields.old_tab == fields.tab) then return end
+
+	minetest.log("Seting settings formspec")
+	mod.show_formspec(player:get_player_name(), fields.tab)
 end)
 
 minetest.register_chatcommand("settings",{
 	func = function(player_name, param)
 		dofile(modpath.."/gui.lua")
-		vl_tuning.show_formspec(player_name)
+		mod.show_formspec(player_name)
 	end
 })
 

mods/CORE/vl_tuning/init.lua

@@ -66,6 +66,7 @@ function mod.setting(setting, setting_type, def )
 	tunable = table.copy(def)
 	tunable.setting = setting
 	tunable.type = tunable_types[setting_type]
+	tunable.setting_type = setting_type
 	tunable[1] = tunable.default
 	setmetatable(tunable, {__index=tunable_class})