Add support for defaults flag

init.lua

@@ -70,7 +70,7 @@ local default_noiseparams = {
 	octaves = 2,
 	persistence = 0.5,
 	lacunarity = 2.0,
-	flags = "noeased,noabsvalue",
+	flags = "defaults,noabsvalue",
 }
 
 -- Holds the currently used Perlin noise
@@ -130,32 +130,41 @@ local sidelen_pos = function(pos, sidelen)
 	return newpos
 end
 
-local build_flags_string = function(eased, absvalue)
-	local flags = ""
+local build_flags_string = function(defaults, eased, absvalue)
+	local flagst = {}
+	if defaults then
+		table.insert(flagst, "defaults")
+	end
 	if eased then
-		flags = "eased"
+		table.insert(flagst, "eased")
 	else
-		flags = "noeased"
+		table.insert(flagst, "noeased")
 	end
 	if absvalue then
-		flags = flags .. ",absvalue"
+		table.insert(flagst, "absvalue")
 	else
-		flags = flags .. ",noabsvalue"
+		table.insert(flagst, "noabsvalue")
 	end
+	local flags = table.concat(flagst, ",")
 	return flags
 end
 local parse_flags_string = function(flags)
 	local ftable = string.split(flags, ",")
-	local eased, absvalue = false, false
+	local defaults, eased, absvalue = false, false, false
 	for f=1, #ftable do
 		local s = string.trim(ftable[f])
-		if s == "eased" then
+		if s == "defaults" then
+			defaults = true
+		elseif s == "eased" then
 			eased = true
 		elseif s == "absvalue" then
 			absvalue = true
 		end
 	end
-	return { eased = eased, absvalue = absvalue }
+	if not defaults and not eased and not absvalue then
+		defaults = true
+	end
+	return { defaults = defaults, eased = eased, absvalue = absvalue }
 end
 
 -- Sets the currently active Perlin noise.
@@ -1046,8 +1055,10 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 
 	local flags = np.flags
 	local flags_table = parse_flags_string(flags)
-	local eased = tostring(flags_table.eased)
-	local absvalue = tostring(flags_table.absvalue)
+	minetest.log("error", dump(flags_table))
+	local flag_defaults = tostring(flags_table.defaults)
+	local flag_eased = tostring(flags_table.eased)
+	local flag_absvalue = tostring(flags_table.absvalue)
 
 	local noiseparams_list = {}
 	local counter = 1
@@ -1118,8 +1129,9 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 		field[0.25,2.4;2,0.75;octaves;]]..F(S("Octaves"))..[[;]]..octaves..[[]
 		field[3.25,2.4;2,0.75;persistence;]]..F(S("Persistence"))..[[;]]..persistence..[[]
 		field[6.25,2.4;2,0.75;lacunarity;]]..F(S("Lacunarity"))..[[;]]..lacunarity..[[]
-		checkbox[0.25,3.55;eased;]]..F(S("eased"))..[[;]]..eased..[[]
-		checkbox[3.25,3.55;absvalue;]]..F(S("absvalue"))..[[;]]..absvalue..[[]
+		checkbox[0.25,3.55;defaults;]]..F(S("defaults"))..[[;]]..flag_defaults..[[]
+		checkbox[2.25,3.55;eased;]]..F(S("eased"))..[[;]]..flag_eased..[[]
+		checkbox[4.25,3.55;absvalue;]]..F(S("absvalue"))..[[;]]..flag_absvalue..[[]
 		button[6.25,3.35;2.0,0.5;analyze;]]..F(S("Analyze"))..[[]
 		container_end[]
 
@@ -1239,6 +1251,13 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 	-- Handle checkboxes
 	local name = player:get_player_name()
 	local flags_touched = false
+	if fields.defaults == "true" then
+		formspec_states[name].defaults = true
+		return
+	elseif fields.defaults == "false" then
+		formspec_states[name].defaults = false
+		return
+	end
 	if fields.eased == "true" then
 		formspec_states[name].eased = true
 		return
@@ -1304,6 +1323,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			local value_max = tonumber(fields.value_max)
 			local nodetype = tonumber(fields.nodetype)
 			if (offset and scale and spread and octaves and persistence) then
+				local defaults = formspec_states[name].defaults
 				local eased = formspec_states[name].eased
 				local absvalue = formspec_states[name].absvalue
 				local noiseparams = {
@@ -1314,7 +1334,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 					octaves = octaves,
 					persistence = persistence,
 					lacunarity = lacunarity,
-					flags = build_flags_string(eased, absvalue),
+					flags = build_flags_string(defaults, eased, absvalue),
 				}
 				noiseparams = fix_noiseparams(noiseparams)
 				-- Open analyze window
@@ -1494,7 +1514,9 @@ end)
 minetest.register_on_joinplayer(function(player)
 	local name = player:get_player_name()
 	formspec_states[name] = {
+		defaults = true,
 		eased = false,
+		absvalue = false,
 	}
 end)
 minetest.register_on_leaveplayer(function(player)