Add setting for enabling/disabling progressive mode

init.lua

@@ -7,6 +7,8 @@ local init_items = {}
 local recipes_cache = {}
 local usages_cache = {}
 
+local progressive_mode = minetest.settings:get_bool("progressive_mode", true)
+
 local group_stereotypes = {
 	dye = "dye:white",
 	wool = "wool:white",
@@ -158,12 +160,14 @@ minetest.register_on_mods_loaded(function()
 			end
 		end
 	end
+	if not progressive_mode then
 		for name, def in pairs(minetest.registered_items) do
 			if recipes_cache[name] or usages_cache[name] then
 				table.insert(init_items, name)
 			end
 		end
 		table.sort(init_items)
+	end
 end)
 
 local function coords(i, cols)
@@ -319,13 +323,18 @@ end
 
 local function execute_search(data)
 	local filter = data.filter
+	local all_items = init_items
+	if progressive_mode then
+		all_items = visible_items(data)
+	end
+
 	if filter == "" then
-		data.items = visible_items(data)
+		data.items = all_items
 		return
 	end
 	data.items = {}
 
-	for _, item in ipairs(visible_items(data)) do
+	for _, item in ipairs(all_items) do
 		local def = minetest.registered_items[item]
 		local desc = def and minetest.get_translated_string(data.lang_code, def.description)
 
@@ -340,11 +349,15 @@ local function on_receive_fields(player, fields)
 	local data = player_data[name]
 
 	if fields.clear then
+		local all_items = init_items
+		if progressive_mode then
+			all_items = visible_items(data)
+		end
 		data.filter = ""
 		data.pagenum = 1
 		data.prev_item = nil
 		data.recipes = nil
-		data.items = visible_items(data)
+		data.items = all_items
 		return true
 
 	elseif (fields.key_enter_field == "filter" or fields.search)
@@ -398,10 +411,14 @@ local function on_receive_fields(player, fields)
 		else
 			data.show_usages = nil
 		end
-		if data.show_usages then
+		if data.show_usages and progressive_mode then
 			data.recipes = known_recipes(data, usages_cache[item])
-		else
+		elseif data.show_usages and not progressive_mode then
+			data.recipes = usages_cache[item]
+		elseif progressive_mode then
 			data.recipes = known_recipes(data, recipes_cache[item])
+		else
+			data.recipes = recipes_cache[item]
 		end
 		data.prev_item = item
 		data.rnum = 1
@@ -528,6 +545,7 @@ function update_known_items(player, item_name)
 	end
 end
 
+if progressive_mode then
 	minetest.register_on_item_pickup(function(itemstack, picker)
 		update_known_items(picker, itemstack:get_name())
 	end)
@@ -545,6 +563,7 @@ end)
 	minetest.register_on_craft(function(itemstack, player)
 		update_known_items(player, itemstack:get_name())
 	end)
+end
 
 -- Go over all items in the player’s inventory for undiscovered recipes.
 function check_player_inventory(player)
@@ -566,7 +585,7 @@ function load_player_data(player)
 	player_data[name] = {
 		filter = "",
 		pagenum = 1,
-		items = {},
+		items = init_items,
 		held_items = {},
 		held_groups = {},
 		known_items = {},
@@ -617,6 +636,10 @@ end
 
 minetest.register_on_joinplayer(function(player)
 	load_player_data(player)
+	if not progressive_mode then
+		return
+	end
+
 	init_player_known_items(player)
 	check_player_inventory(player)
 
@@ -626,9 +649,13 @@ minetest.register_on_joinplayer(function(player)
 end)
 
 minetest.register_on_leaveplayer(function(player)
+	if progressive_mode then
 		save_player_data(player)
+	end
 	player_data[player:get_player_name()] = nil -- Save memory!
 end)
 
+if progressive_mode then
 	minetest.register_on_shutdown(save_all_player_data)
+end
 

settingtypes.txt

@@ -0,0 +1 @@
+progressive_mode    (Learn crafting recipes progressively)    bool true