New version:

another structure, its a modpack now
searches are not case sensitive

depends.txt

@@ -1 +0,0 @@
-default

unified_inventory/aaa_recipeshook/depends.txt

@@ -0,0 +1 @@
+

unified_inventory/aaa_recipeshook/init.lua

@@ -0,0 +1,27 @@
+-- override minetest.register_craft
+crafts_table ={}
+crafts_table_count=0
+
+local minetest_register_craft = minetest.register_craft
+minetest.register_craft = function (options) 
+	minetest_register_craft(options) 
+	register_craft(options)
+end
+
+-- register_craft
+register_craft = function(options)
+	if  options.output == nil then
+		return
+	end
+	local itemstack = ItemStack(options.output)
+	if itemstack:is_empty() then
+		return
+	end
+	if crafts_table[itemstack:get_name()]==nil then
+		crafts_table[itemstack:get_name()] = {}
+	end
+	table.insert(crafts_table[itemstack:get_name()],options)
+	crafts_table_count=crafts_table_count+1
+end
+
+

unified_inventory/modpack.txt

@@ -0,0 +1 @@
+

unified_inventory/unified_inventory/api.lua

@@ -1,12 +1,5 @@
---loading modules
-modpath=minetest.get_modpath("unified_inventory")
-dofile(modpath.."/bags.lua")
-
--- expose api
+--data tables definitions
 unified_inventory = {}
--- define buttons
-unified_inventory.buttons = {}
-unified_inventory.control_buttons = {}
 unified_inventory.players = {}
 unified_inventory.current_page = {}
 unified_inventory.current_index = {}
@@ -15,11 +8,13 @@ unified_inventory.items_list = {}
 unified_inventory.filtered_items_list_size = {}
 unified_inventory.filtered_items_list = {}
 unified_inventory.activefilter = {}
+unified_inventory.alternate = {}
+unified_inventory.current_item = {}
 
 -- default inventory page
 unified_inventory.default = "craft"
 
-
+-- homepos stuff
 local home_gui = {}
 local homepos = {}
 unified_inventory.home_filename = minetest.get_worldpath()..'/unified_inventory_home'
@@ -48,7 +43,25 @@ minetest.register_on_joinplayer(function(player)
 	unified_inventory.filtered_items_list_size[player_name]=unified_inventory.items_list_size
 	unified_inventory.activefilter[player_name]=""
 	unified_inventory.apply_filter(player_name, "")
+	unified_inventory.alternate[player_name] = 1
+	unified_inventory.current_item[player_name] =nil
 	unified_inventory.set_inventory_formspec(player,unified_inventory.get_formspec(player, unified_inventory.default))
+	
+	local inv = minetest.create_detached_inventory(player:get_player_name().."craftrecipe",{
+		allow_put = function(inv, listname, index, stack, player)
+			return 0
+			end,
+		allow_take = function(inv, listname, index, stack, player)
+			return 0
+		end,
+		allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
+			return 0
+		end,
+	})
+	inv:set_size("output", 1)
+	inv:set_size("build", 3*3)
+	inv:set_size("cook", 1)
+	inv:set_size("fuel", 1)
 end)
 
 -- set_inventory_formspec
@@ -95,15 +108,11 @@ unified_inventory.get_formspec = function(player,page)
 		formspec = formspec .. "field[9.195,8.325;3,1;searchbox;;]"
 	  	formspec = formspec .. "button[12,8;1.2,1;searchbutton;Search]"
 	  	
-	if page=="main" then
-		return formspec
-		end
-	
 	-- craft page
 	if page=="craft" then
 		formspec = formspec.."label[0,0;Crafting]"
-		formspec = formspec.."list[current_player;craftpreview;5.25,2;1,1;]"
-		formspec = formspec.."list[current_player;craft;1.75,1;3,3;]"
+		formspec = formspec.."list[current_player;craftpreview;6,1;1,1;]"
+		formspec = formspec.."list[current_player;craft;2,1;3,3;]"
 			if minetest.setting_getbool("creative_mode") then
 				formspec = formspec.."label[0,2.5;Refill:]"
 				formspec = formspec.."list[detached:refill;main;0,3;1,1;]"
@@ -115,6 +124,45 @@ unified_inventory.get_formspec = function(player,page)
 	-- craft guide page
 	if page=="craftguide" then
 		formspec = formspec.."label[0,0;Crafting Guide]"
+		formspec = formspec.."list[detached:"..player_name.."craftrecipe;build;2,1;3,3;]"
+		formspec = formspec.."list[detached:"..player_name.."craftrecipe;output;6,1;1,1;]"
+		formspec = formspec.."label[2,0.5;Input:]"
+		formspec = formspec.."label[6,0.5;Output:]"
+		formspec = formspec.."label[6,2.6;Method:]"
+		local item_name=unified_inventory.current_item[player_name]
+		--print (dump(item_name))
+		if item_name then
+			local alternates = 0
+			local alternate = unified_inventory.alternate[player_name]
+			local crafts = crafts_table[item_name]
+			
+			if crafts ~= nil then
+				alternates = #crafts
+				local craft = crafts[alternate]
+				local method = "Crafting"
+				if craft.type == "shapeless" then
+				method="Crafting"
+				end	
+				if craft.type == "cooking" then
+				method="Cooking"
+				end	
+				if craft.type == "fuel" then
+				method="Fuel"
+				end	
+				if craft.type == "grinding" then
+				method="Grinding"
+				end	
+				if craft.type == "alloy" then
+				method="Alloy cooking"
+				end	
+				formspec = formspec.."label[6,3;"..method.."]"
+			end
+			
+			if alternates > 1 then
+			formspec = formspec.."label[0,2.6;Recipe "..tostring(alternate).." of "..tostring(alternates).."]"
+			formspec = formspec.."button[0,3.15;2,1;alternate;Alternate]"
+			end
+		end
 	end
 		
 	-- bags
@@ -124,10 +172,10 @@ unified_inventory.get_formspec = function(player,page)
 	formspec=formspec.."button[2,2;2,0.5;bag2;Bag 2]"
 	formspec=formspec.."button[4,2;2,0.5;bag3;Bag 3]"
 	formspec=formspec.."button[6,2;2,0.5;bag4;Bag 4]"
-	formspec=formspec.."list[detached:"..player:get_player_name().."_bags;bag1;0.5,1;1,1;]"
-	formspec=formspec.."list[detached:"..player:get_player_name().."_bags;bag2;2.5,1;1,1;]"
-	formspec=formspec.."list[detached:"..player:get_player_name().."_bags;bag3;4.5,1;1,1;]"
-	formspec=formspec.."list[detached:"..player:get_player_name().."_bags;bag4;6.5,1;1,1;]"
+	formspec=formspec.."list[detached:"..player_name.."_bags;bag1;0.5,1;1,1;]"
+	formspec=formspec.."list[detached:"..player_name.."_bags;bag2;2.5,1;1,1;]"
+	formspec=formspec.."list[detached:"..player_name.."_bags;bag3;4.5,1;1,1;]"
+	formspec=formspec.."list[detached:"..player_name.."_bags;bag4;6.5,1;1,1;]"
 		end
 	
 	for i=1,4 do
@@ -143,7 +191,7 @@ unified_inventory.get_formspec = function(player,page)
 		formspec = formspec.."label[0,0;Miscellaneous]"
 		formspec=formspec.."button[0,1;2,0.5;home_gui_set;Set Home]"
 		formspec=formspec.."button_exit[2,1;2,0.5;home_gui_go;Go Home]"
-		local home = homepos[player:get_player_name()]
+		local home = homepos[player_name]
 		if home ~= nil then
 		formspec = formspec
 			formspec=formspec.."label[4,.9;Home set to:]"
@@ -171,7 +219,7 @@ unified_inventory.get_formspec = function(player,page)
 	end
 	end	
 	formspec=formspec.."label[8.2,0;Page:]"
-	formspec=formspec.."label[9,0;"..page.."/"..pagemax.."]"
+	formspec=formspec.."label[9,0;"..page.." of "..pagemax.."]"
 	formspec=formspec.."label[8.2,0.4;Filter:]"
 	formspec=formspec.."label[9,0.4;"..unified_inventory.activefilter[player_name].."]"
 	return formspec
@@ -211,7 +259,7 @@ unified_inventory.refill:set_size("main", 1)
 minetest.register_on_player_receive_fields(function(player, formname, fields)
 	local player_name = player:get_player_name()
 	
-	-- main
+	-- main buttons
 	if fields.craft then
 		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craft"))
 		return
@@ -244,7 +292,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		end
 	end
 	
-	-- Miscellanous
+	-- Miscellaneous
 	if fields.home_gui_set then
 		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"misc"))
 		unified_inventory.set_home(player, player:getpos())
@@ -254,12 +302,12 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		unified_inventory.go_home(player)
 	end
 	if fields.misc_set_day then
-		minetest.env:set_timeofday((12000 % 24000) / 24000)
-		minetest.chat_send_player(player_name, "Time of day set to noon.")
+		minetest.env:set_timeofday((6000 % 24000) / 24000)
+		minetest.chat_send_player(player_name, "Time of day set to 6am")
 	end
 	if fields.misc_set_night then
-		minetest.env:set_timeofday(0)
-		minetest.chat_send_player(player_name, "Time of day set to midnight.")	
+		minetest.env:set_timeofday((21000 % 24000) / 24000)
+		minetest.chat_send_player(player_name, "Time of day set to 9pm")	
 	end
 	
 	-- Inventory page controls
@@ -296,13 +344,18 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,unified_inventory.current_page[player_name]))
 		end
 	
+	-- Item list buttons
 	local list_index=unified_inventory.current_index[player_name]
+	local page=unified_inventory.current_page[player_name]
 	for i=0,80,1 do
 		local button="item_button"..list_index
 		if fields[button] then 
-			local input={}
-			input=minetest.get_craft_recipe(unified_inventory.filtered_items_list[player_name][list_index])
-			print (dump(input))
+			if page=="craftguide" then 
+				unified_inventory.current_item[player_name] = unified_inventory.filtered_items_list[player_name][list_index] 
+				unified_inventory.alternate[player_name] = 1
+				unified_inventory.update_recipe (player, unified_inventory.filtered_items_list[player_name][list_index], 1)
+				unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,unified_inventory.current_page[player_name]))
+			else
 				if minetest.setting_getbool("creative_mode") then
 					local inv = player:get_inventory()
 					dst_stack={}
@@ -313,6 +366,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 					end
 				end	
 			end	
+		end	
 	list_index=list_index+1
 	end
 	
@@ -321,6 +375,27 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,unified_inventory.current_page[player_name]))
 	end	
 	
+	-- alternate button
+	if fields.alternate then
+		local item_name=unified_inventory.current_item[player_name]
+		if item_name then
+			local alternates = 0
+			local alternate=unified_inventory.alternate[player_name]
+			local crafts = crafts_table[item_name]
+			if crafts ~= nil then
+				alternates = #crafts
+			end
+			if alternates > 1 then
+			alternate=alternate+1
+			if alternate>alternates then
+				alternate=1
+			end
+			unified_inventory.alternate[player_name]=alternate		
+			unified_inventory.update_recipe (player, unified_inventory.current_item[player_name], alternate)
+			unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,unified_inventory.current_page[player_name]))
+			end
+		end	
+	end		
 end)
 
 -- load_home
@@ -365,14 +440,19 @@ unified_inventory.go_home = function(player)
 	end
 end
 
---apply filter to the inventory list
+--apply filter to the inventory list (create filtered copy of full one)
 unified_inventory.apply_filter = function(player_name,filter)
 	local size=0
+	local str_temp1=string.lower(filter)
+	local str_temp2
+	local str_temp3
 	unified_inventory.filtered_items_list[player_name]={}
 	for name,def in pairs(minetest.registered_items) do
 		if (not def.groups.not_in_creative_inventory or def.groups.not_in_creative_inventory == 0)
 				and def.description and def.description ~= "" then
-			if string.find(def.name, filter) or string.find(def.description, filter) then
+			str_temp2=string.lower(def.name)
+			str_temp3=string.lower(def.description)
+			if string.find(str_temp2, str_temp1) or string.find(str_temp3, str_temp1) then
 				table.insert(unified_inventory.filtered_items_list[player_name], name)
 				size=size+1
 			end
@@ -387,3 +467,160 @@ unified_inventory.apply_filter = function(player_name,filter)
 end
 
 
+-- update_recipe
+unified_inventory.update_recipe = function(player, stack_name, alternate)
+	--print("Lookup:"..stack_name)
+	local inv = minetest.get_inventory({type="detached", name=player:get_player_name().."craftrecipe"})	
+	for i=0,inv:get_size("build"),1 do
+		inv:set_stack("build", i, nil)
+	end
+	inv:set_stack("cook", 1, nil)
+	inv:set_stack("fuel", 1, nil)
+
+	inv:set_stack("output", 1, stack_name)
+	local def
+	alternate = tonumber(alternate) or 1
+	local crafts = crafts_table[stack_name]
+	if crafts == nil then
+		--minetest.chat_send_player(player:get_player_name(), "no recipe available for "..stack_name)
+		return
+	end
+	if alternate < 1 or alternate > #crafts then
+		alternate = 1
+	end
+	local craft = crafts[alternate]
+	print (dump(craft))
+	--minetest.chat_send_player(player:get_player_name(), "recipe for "..stack_name..": "..dump(craft))
+	
+	local itemstack = ItemStack(craft.output)
+	inv:set_stack("output", 1, itemstack)
+
+	-- cook
+	if craft.type == "cooking" then
+		def=unified_inventory.find_item_def(craft.recipe)
+		if def then
+			inv:set_stack("build", 1, def)
+		end
+		return 
+	end
+	-- fuel
+	if craft.type == "fuel" then
+		def=unified_inventory.find_item_def(craft.recipe)
+		if def then
+			inv:set_stack("build", 1, def)
+		end
+		return
+	end
+	-- build (shaped or shapeless)
+	if craft.recipe[1] then
+		def=unified_inventory.find_item_def(craft.recipe[1])
+		if def then
+			inv:set_stack("build", 1, def)
+		else
+			def=unified_inventory.find_item_def(craft.recipe[1][1])
+			if def then
+				inv:set_stack("build", 1, def)
+			end
+			def=unified_inventory.find_item_def(craft.recipe[1][2])
+			if def then
+				inv:set_stack("build", 2, def)
+			end
+			def=unified_inventory.find_item_def(craft.recipe[1][3])
+			if def then
+				inv:set_stack("build", 3, def)
+			end
+		end
+	end
+	if craft.recipe[2] then
+		def=unified_inventory.find_item_def(craft.recipe[2])
+		if def then
+			inv:set_stack("build", 2, def)
+		else
+			def=unified_inventory.find_item_def(craft.recipe[2][1])
+			if def then
+				inv:set_stack("build", 4, def)
+			end
+			def=unified_inventory.find_item_def(craft.recipe[2][2])
+			if def then
+				inv:set_stack("build", 5, def)
+			end
+			def=unified_inventory.find_item_def(craft.recipe[2][3])
+			if def then
+				inv:set_stack("build", 6, def)
+			end
+		end
+	end
+	
+	if craft.recipe[3] then
+		def=unified_inventory.find_item_def(craft.recipe[3])
+		if def then
+			inv:set_stack("build", 3, def)
+		else
+			def=unified_inventory.find_item_def(craft.recipe[3][1])
+			if def then
+				inv:set_stack("build", 7, def)
+			end
+			def=unified_inventory.find_item_def(craft.recipe[3][2])
+			if def then
+				inv:set_stack("build", 8, def)
+			end
+			def=unified_inventory.find_item_def(craft.recipe[3][3])
+			if def then
+				inv:set_stack("build", 9, def)
+			end
+		end
+	end
+	if craft.recipe[4] then
+		def=unified_inventory.find_item_def(craft.recipe[4])
+		if def then
+			inv:set_stack("build", 4, def)
+		end
+	end
+	if craft.recipe[5] then
+		def=unified_inventory.find_item_def(craft.recipe[5])
+		if def then
+			inv:set_stack("build", 5, def)
+		end
+	end
+	if craft.recipe[6] then
+		def=unified_inventory.find_item_def(craft.recipe[6])
+		if def then
+			inv:set_stack("build", 6, def)
+		end
+	end
+	if craft.recipe[7] then
+		def=unified_inventory.find_item_def(craft.recipe[7])
+		if def then
+			inv:set_stack("build", 7, def)
+		end
+	end
+	if craft.recipe[8] then
+		def=unified_inventory.find_item_def(craft.recipe[8])
+		if def then
+			inv:set_stack("build", 8, def)
+		end
+	end
+	if craft.recipe[9] then
+		def=unified_inventory.find_item_def(craft.recipe[9])
+		if def then
+			inv:set_stack("build", 9, def)
+		end
+	end
+end
+
+unified_inventory.find_item_def = function(def1)
+if type(def1)=="string" then
+	if string.find(def1, "group:") then
+		def1=string.gsub(def1, "group:", "")
+		def1=string.gsub(def1, '\"', "")
+		for name,def in pairs(minetest.registered_items) do
+				if def.groups[def1] == 1 and def.groups.not_in_creative_inventory ~= 1 then
+					return def
+				end
+		end
+	else
+	return def1
+	end
+end
+return nil
+end

unified_inventory/unified_inventory/depends.txt

@@ -0,0 +1 @@
+aaa_recipeshook

unified_inventory/unified_inventory/init.lua

@@ -0,0 +1,4 @@
+-- load api
+dofile(minetest.get_modpath("unified_inventory").."/api.lua")
+
+dofile(minetest.get_modpath("unified_inventory").."/bags.lua")