Update

1 files changed, 58 insertions, 613 deletions

diff --git a/api.lua b/api.lua
index 5d04d62..d026cc0 100644
--- a/api.lua
+++ b/api.lua
@@ -1,656 +1,101 @@
---data tables definitions
-unified_inventory = {}
-unified_inventory.players = {}
-unified_inventory.current_page = {}
-unified_inventory.current_index = {}
-unified_inventory.items_list_size = 0
-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 = {}
-unified_inventory.crafts_table ={}
-unified_inventory.crafts_table_count=0
-
--- default inventory page
-unified_inventory.default = "craft"
-
--- homepos stuff
-local home_gui = {}
-local homepos = {}
-unified_inventory.home_filename = minetest.get_worldpath()..'/unified_inventory_home'
 
 -- Create detached creative inventory after loading all mods
 minetest.after(0.01, function()
 	unified_inventory.items_list = {}
-	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
+	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
 			table.insert(unified_inventory.items_list, name)
-			local recipes=minetest.get_all_craft_recipes(name)
-			if unified_inventory.crafts_table[name]==nil then
-				unified_inventory.crafts_table[name] = {}
-			end
-			if recipes then 
-				for i=1,#recipes,1 do
-					table.insert(unified_inventory.crafts_table[name],recipes[i])
-				end
-			end
+			local recipes = minetest.get_all_craft_recipes(name)
+			unified_inventory.crafts_table[name] = recipes or {}
 		end
 	end
 	--print(dump(unified_inventory.crafts_table))
 	table.sort(unified_inventory.items_list)
 	unified_inventory.items_list_size = #unified_inventory.items_list
-	print ("Unified Inventory. inventory size: "..unified_inventory.items_list_size)
+	print("Unified Inventory. inventory size: "..#unified_inventory.items_list)
 end)
 
--- register_on_joinplayer
-minetest.register_on_joinplayer(function(player)
-	local player_name = player:get_player_name()
-	unified_inventory.players[player_name]={}
-	unified_inventory.current_index[player_name] = 1
-	unified_inventory.filtered_items_list[player_name] = {}
-	unified_inventory.filtered_items_list[player_name] = unified_inventory.items_list
-	unified_inventory.filtered_items_list_size[player_name]=unified_inventory.items_list_size
-	unified_inventory.activefilter[player_name]=""
-	unified_inventory.apply_filter(player, "")
-	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))
-	
---crafting guide inventories
-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)
-			if minetest.setting_getbool("creative_mode") then
-				return stack:get_count()
-			else
-				return 0
-			end
-		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)
-
--- refill slot
-unified_inventory.refill = minetest.create_detached_inventory(player_name.."refill", {
-	allow_put = function(inv, listname, index, stack, player)
-		if minetest.setting_getbool("creative_mode") then
-			return stack:get_count()
-		else
-			return 0
-		end
-	end,
-	on_put = function(inv, listname, index, stack, player)
-		inv:set_stack(listname, index, ItemStack(stack:get_name().." "..stack:get_stack_max()))
-		minetest.sound_play("electricity", {to_player=player_name, gain = 1.0})
-	end,
-})
-unified_inventory.refill:set_size("main", 1)
-
--- trash slot
-unified_inventory.trash = minetest.create_detached_inventory("trash", {
-	allow_put = function(inv, listname, index, stack, player)
-		if minetest.setting_getbool("creative_mode") then
-			return stack:get_count()
-		else
-			return 0
-		end
-	end,
-	on_put = function(inv, listname, index, stack, player)
-		inv:set_stack(listname, index, nil)
-		local player_name=player:get_player_name()
-		minetest.sound_play("trash", {to_player=player_name, gain = 1.0})
-	end,
-})
-unified_inventory.trash:set_size("main", 1)
-end)
-
--- set_inventory_formspec
-unified_inventory.set_inventory_formspec = function(player,formspec)
-	if player then
-		player:set_inventory_formspec(formspec)
-	end
-end
-
--- get_formspec
-unified_inventory.get_formspec = function(player,page)
-	if player==nil then return "" end
-	local player_name = player:get_player_name()
-	unified_inventory.current_page[player_name]=page
-	
-	local formspec = "size[14,10]"
-
-	-- player inventory
-	formspec = formspec .. "list[current_player;main;0,4.5;8,4;]"
-
-	-- backgrounds
-		formspec = formspec .. "background[-0.19,-0.2;14.38,10.55;ui_form_bg.png]"
-	if page=="craft" then
-		formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_crafting_form.png]"
-		end
-	if page=="craftguide" then
-		formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_craftguide_form.png]"
-		end
-	if page=="misc" then
-		formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_misc_form.png]"
-		end
-	if page=="bags" then
-		formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_main_form.png]"
-		end
-
-	for i=1,4 do
-		if page=="bag"..i then
-			local slots = player:get_inventory():get_stack(page, 1):get_definition().groups.bagslots
-			if slots == 8 then
-				formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_sm_form.png]"
-			elseif slots == 16 then
-				formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_med_form.png]"
-			elseif slots == 24 then
-				formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_lg_form.png]"
-			end
-		end
-	end
-
-	-- main buttons
-		local start_x=0
-		formspec = formspec .. "image_button["..(start_x+.65*0)..",9;.8,.8;ui_craft_icon.png;craft;]"
-		formspec = formspec .. "image_button["..(start_x+.65*1)..",9;.8,.8;ui_craftguide_icon.png;craftguide;]"
-		formspec = formspec .. "image_button["..(start_x+.65*2)..",9;.8,.8;ui_bags_icon.png;bags;]"
-		formspec = formspec .. "image_button["..(start_x+.65*3)..",9;.8,.8;ui_sethome_icon.png;home_gui_set;]"
-		formspec = formspec .. "image_button["..(start_x+.65*4)..",9;.8,.8;ui_gohome_icon.png;home_gui_go;]"
-		if minetest.setting_getbool("creative_mode") then
-		formspec = formspec .. "image_button["..(start_x+.65*5)..",9;.8,.8;ui_sun_icon.png;misc_set_day;]"
-		formspec = formspec .. "image_button["..(start_x+.65*6)..",9;.8,.8;ui_moon_icon.png;misc_set_night;]"
-		formspec = formspec .. "image_button["..(start_x+.65*7)..",9;.8,.8;ui_trash_icon.png;clear_inv;]"
-		end
-		
-	--controls to flip items pages
-		start_x=9.2
-		formspec = formspec .. "image_button["..(start_x+.6*0)..",9;.8,.8;ui_skip_backward_icon.png;start_list;]"
-		formspec = formspec .. "image_button["..(start_x+.6*1)..",9;.8,.8;ui_doubleleft_icon.png;rewind3;]"
-		formspec = formspec .. "image_button["..(start_x+.6*2)..",9;.8,.8;ui_left_icon.png;rewind1;]"
-		formspec = formspec .. "image_button["..(start_x+.6*3)..",9;.8,.8;ui_right_icon.png;forward1;]"
-		formspec = formspec .. "image_button["..(start_x+.6*4)..",9;.8,.8;ui_doubleright_icon.png;forward3;]"
-		formspec = formspec .. "image_button["..(start_x+.6*5)..",9;.8,.8;ui_skip_forward_icon.png;end_list;]"
-		
-	-- search box
-		formspec = formspec .. "field[9.5,8.325;3,1;searchbox;;]"
-		formspec = formspec .. "image_button[12.2,8.1;.8,.8;ui_search_icon.png;searchbutton;]"
-
-	-- craft page
-	if page=="craft" then
-		formspec = formspec.."label[0,0;Crafting]"
-		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:"..player_name.."refill;main;0,3;1,1;]"
-				formspec = formspec.."label[7,2.5;Trash:]"
-				formspec = formspec.."list[detached:trash;main;7,3;1,1;]"
-			end
-		end
-
-	-- 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]
-		if item_name then
-			formspec = formspec.."label[2,0;"..item_name.."]"	
-			local alternates = 0
-			local alternate = unified_inventory.alternate[player_name]
-			local crafts = unified_inventory.crafts_table[item_name]
 
-			if crafts ~= nil and #crafts>0 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
-				if craft.type == "extracting" then
-				method="Extracting"
-				end
-				if craft.type == "compressing" then
-				method="Compressing"
-				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]"
+-- load_home
+local function load_home()
+	local input = io.open(unified_inventory.home_filename, "r")
+	if input then
+		while true do
+			local x = input:read("*n")
+			if x == nil then
+				break
 			end
+			local y = input:read("*n")
+			local z = input:read("*n")
+			local name = input:read("*l")
+			unified_inventory.home_pos[name:sub(2)] = {x = x, y = y, z = z}
 		end
+		io.close(input)
+	else
+		unified_inventory.home_pos = {}
 	end
-
-	-- bags
-	if page=="bags" then
-	formspec = formspec.."label[0,0;Bags]"
-	formspec=formspec.."button[0,2;2,0.5;bag1;Bag 1]"
-	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_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
-		if page=="bag"..i then
-			local image = player:get_inventory():get_stack("bag"..i, 1):get_definition().inventory_image
-			formspec=formspec.."image[7,0;1,1;"..image.."]"
-			formspec=formspec.."list[current_player;bag"..i.."contents;0,1;8,3;]"
-		end
-	end
-
-	--Items list
-	local list_index=unified_inventory.current_index[player_name]
-	local page=math.floor(list_index / (80) + 1)
-	local pagemax = math.floor((unified_inventory.filtered_items_list_size[player_name]-1) / (80) + 1)
-	local image
-	local item={}
-	for y=0,9,1 do
-	for x=0,7,1 do
-		name=unified_inventory.filtered_items_list[player_name][list_index]	
-		if minetest.registered_items[name] then
-		formspec=formspec.."item_image_button["..(8.2+x*.7)..","..(1+y*.7)..";.81,.81;"..name..";item_button"..list_index..";]"
-		list_index=list_index+1
-		end
-	end
-	end	
-	formspec=formspec.."label[8.2,0;Page:]"
-	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
 end
+load_home()
 
--- register_on_player_receive_fields
-minetest.register_on_player_receive_fields(function(player, formname, fields)
+function unified_inventory.set_home(player, pos)
 	local player_name = player:get_player_name()
-
-	-- main buttons
-	if fields.craft then
-		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craft"))
-		minetest.sound_play("click", {to_player=player_name, gain = 0.1})
-		return
-	end
-
-	if fields.craftguide then
-		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craftguide"))
-		minetest.sound_play("click", {to_player=player_name, gain = 0.1})
-		return
-	end
-
-	if fields.bags then
-		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"bags"))
-		minetest.sound_play("click", {to_player=player_name, gain = 0.1})
-		return
-	end
-
-	-- bags
-	for i=1,4 do
-		local page = "bag"..i
-		if fields[page] then
-			if player:get_inventory():get_stack(page, 1):get_definition().groups.bagslots==nil then
-				page = "bags"
-			end
-			unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,page))
-			minetest.sound_play("click", {to_player=player_name, gain = 0.1})
-			return
-		end
-	end
-
-	-- Miscellaneous
-	if fields.home_gui_set then
-		unified_inventory.set_home(player, player:getpos())
-		local home = homepos[player_name]
-		if home ~= nil then
-			minetest.sound_play("dingdong", {to_player=player_name, gain = 1.0})
-			minetest.chat_send_player(player_name, "Home position set to: "..math.floor(home.x)..","..math.floor(home.y)..","..math.floor(home.z))
-		end
-	end
-	if fields.home_gui_go then
-		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craft"))
-		minetest.sound_play("teleport", {to_player=player_name, gain = 1.0})
-		unified_inventory.go_home(player)
-	end
-	if fields.misc_set_day then
-		if minetest.get_player_privs(player_name).settime==true then 
-		minetest.sound_play("birds", {to_player=player_name, gain = 1.0})
-		minetest.env:set_timeofday((6000 % 24000) / 24000)
-		minetest.chat_send_player(player_name, "Time of day set to 6am")
-		else
-		minetest.chat_send_player(player_name, "You don't have settime priviledge!")
-		end
-	end
-	if fields.misc_set_night then
-		if minetest.get_player_privs(player_name).settime==true then 	
-		minetest.sound_play("owl", {to_player=player_name, gain = 1.0})
-		minetest.env:set_timeofday((21000 % 24000) / 24000)
-		minetest.chat_send_player(player_name, "Time of day set to 9pm")
-		else
-		minetest.chat_send_player(player_name, "You don't have settime priviledge!")	
-		end	
-	end
-
-	if fields.clear_inv then
-		local inventory = {}
-		player:get_inventory():set_list("main", inventory)
-		minetest.chat_send_player(player_name, 'Inventory Cleared!')
-		minetest.sound_play("trash_all", {to_player=player_name, gain = 1.0})
-	end
-	
-	-- Inventory page controls
-	local start=math.floor(unified_inventory.current_index[player_name]/80 +1 )
-	local start_i=start
-	local pagemax = math.floor((unified_inventory.filtered_items_list_size[player_name]-1) / (80) + 1)
-	
-	if fields.start_list then
-		minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
-		start_i = 1
-	end
-	if fields.rewind1 then
-		minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
-		start_i = start_i - 1
-	end
-	if fields.forward1 then
-		minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
-		start_i = start_i + 1
-	end
-	if fields.rewind3 then
-		minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
-		start_i = start_i - 3
-	end
-	if fields.forward3 then
-		minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
-		start_i = start_i + 3
-	end
-	if fields.end_list then
-		minetest.sound_play("paperflip1", {to_player=player_name, gain = 1.0})
-		start_i = pagemax
-	end
-	if start_i < 1 then
-		start_i = 1
-	end
-	if start_i > pagemax then
-		start_i =  pagemax
-	end
-	if not (start_i	==start) then
-		unified_inventory.current_index[player_name] = (start_i-1)*80+1
-		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 
-			minetest.sound_play("click", {to_player=player_name, gain = 0.1})
-			if minetest.setting_getbool("creative_mode")==false then
-				unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,"craftguide"))
-				page="craftguide"
-				end
-			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={}
-					dst_stack["name"] = unified_inventory.filtered_items_list[player_name][list_index] 
-					dst_stack["count"]=99
-					if inv:room_for_item("main",dst_stack) then
-					inv:add_item("main",dst_stack)
-					end
-				end	
-			end	
-		end	
-	list_index=list_index+1
-	end
-	
-	if fields.searchbutton then
-		unified_inventory.apply_filter(player, fields.searchbox)
-		unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,unified_inventory.current_page[player_name]))
-		minetest.sound_play("paperflip2", {to_player=player_name, gain = 1.0})
-	end	
-	
-	-- alternate button
-	if fields.alternate then
-		minetest.sound_play("click", {to_player=player_name, gain = 0.1})
-		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 = unified_inventory.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
-local load_home = function()
-    local input = io.open(unified_inventory.home_filename..".home", "r")
-    if input then
-        while true do
-            local x = input:read("*n")
-            if x == nil then
-                break
-            end
-            local y = input:read("*n")
-            local z = input:read("*n")
-            local name = input:read("*l")
-            homepos[name:sub(2)] = {x = x, y = y, z = z}
-        end
-        io.close(input)
-    else
-        homepos = {}
-    end
-end
-load_home() -- run it now
-
--- set_home
-unified_inventory.set_home = function(player, pos)
-	local player_name=player:get_player_name()
-	homepos[player_name] = pos
+	unified_inventory.home_pos[player_name] = pos
 	-- save the home data from the table to the file
-	local output = io.open(unified_inventory.home_filename..".home", "w")
-	for k, v in pairs(homepos) do
+	local output = io.open(unified_inventory.home_filename, "w")
+	for k, v in pairs(unified_inventory.home_pos) do
 		if v ~= nil then
-			output:write(math.floor(v.x).." "..math.floor(v.y).." "..math.floor(v.z).." "..k.."\n")
+			output:write(math.floor(v.x).." "
+					..math.floor(v.y).." "
+					..math.floor(v.z).." "
+					..k.."\n")
 		end
 	end
 	io.close(output)
 end
 
--- go_home 
-unified_inventory.go_home = function(player)
-	local pos = homepos[player:get_player_name()]
-	if pos~=nil then
+function unified_inventory.go_home(player)
+	local pos = unified_inventory.home_pos[player:get_player_name()]
+	if pos ~= nil then
 		player:setpos(pos)
 	end
 end
 
---apply filter to the inventory list (create filtered copy of full one)
-unified_inventory.apply_filter = function(player,filter)
-	local player_name = player:get_player_name() 
-	local size=0
-	local str_temp1=string.lower(filter)
-	if str_temp1 ~= "" then 
-		for i=1,str_temp1:len(),1 do
-			if string.byte(str_temp1,i) == 91 then 
-				str_temp1=""
-				end
-			end
-	end
-	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
-			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
-		end
-	
-	end
-	table.sort(unified_inventory.filtered_items_list[player_name])
-	unified_inventory.filtered_items_list_size[player_name]=size
-	unified_inventory.current_index[player_name]=1	
-	unified_inventory.activefilter[player_name]=filter
-	unified_inventory.set_inventory_formspec(player, unified_inventory.get_formspec(player,unified_inventory.current_page[player_name]))
-end
-
-
--- update_recipe
-unified_inventory.update_recipe = function(player, stack_name, alternate)
-	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)
+-- register_craft
+function unified_inventory.register_craft(options)
+	if not options.output then
+		return
 	end
-	inv:set_stack("output", 1, nil)
-	alternate = tonumber(alternate) or 1
-	local crafts = unified_inventory.crafts_table[stack_name]
-	print(dump(crafts))
-	local next=next
-	if next(crafts) == nil then return end -- no craft recipes
-	if alternate < 1 or alternate > #crafts then
-		alternate = 1
+	local itemstack = ItemStack(options.output)
+	if itemstack:is_empty() then
+		return
 	end
-	local craft = crafts[alternate]
-	inv:set_stack("output", 1, craft.output)
-	local items=craft.items
+	unified_inventory.crafts_table[itemstack:get_name()] =
+			unified_inventory.crafts_table[itemstack:get_name()] or {}
 
-	-- cooking, fuel, grinding, and extracting recipes
-	if craft.type == "cooking" or
-	   craft.type == "fuel" or
-	   craft.type == "grinding" or
-	   craft.type == "extracting" or
-	   craft.type == "compressing" then
-		def=unified_inventory.find_item_def(craft["items"][1])
-		if def then
-			inv:set_stack("build", 1, def)
-		end
-		return 
-	end
-	if craft.width==0 then
-	local build_table={1,2,3}
-	for i=1,3,1 do
-		if craft.items[i] then
-			def=unified_inventory.find_item_def(craft.items[i])
-			if def then inv:set_stack("build", build_table[i], def) end
-		end
-	end
-	end
-	if craft.width==1 then
-	local build_table={1,4,7}
-	for i=1,3,1 do
-		if craft.items[i] then
-			def=unified_inventory.find_item_def(craft.items[i])
-			if def then inv:set_stack("build", build_table[i], def) end
-		end
-	end
-	end
-	if craft.width==2 then
-	local build_table={1,2,4,5,7,8}
-	for i=1,6,1 do
-		if craft.items[i] then
-			def=unified_inventory.find_item_def(craft.items[i])
-			if def then inv:set_stack("build", build_table[i], def) end
-		end
-	end
-	end
-	if craft.width==3 then
-		for i=1,9,1 do
-			if craft.items[i] then
-				def=unified_inventory.find_item_def(craft.items[i])
-				if def then inv:set_stack("build", i, def) end
-			end
-		end
-	end
+	table.insert(unified_inventory.crafts_table[itemstack:get_name()], options)
 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, '\"', "")
-		local items=unified_inventory.items_in_group(def1)
-		return items[1]
-	else
-		return def1
-	end
-end
-return nil
+function unified_inventory.register_page(name, def)
+	unified_inventory.pages[name] = def
 end
 
-unified_inventory.items_in_group = function(group)
-	local items = {}
-	for name, item in pairs(minetest.registered_items) do
-		for _, g in ipairs(group:split(',')) do
-			if item.groups[g] then
-				table.insert(items,name)
-			end
+function unified_inventory.register_button(name, def)
+	if not def.action then
+		def.action = function(player)
+			unified_inventory.set_inventory_formspec(player, name)
 		end
 	end
-	return items
+	
+	def.name = name
+	
+	table.insert(unified_inventory.buttons, def)
 end
 
--- register_craft
-unified_inventory.register_craft = function(options)
-	if  options.output == nil then
-		return
-	end
-	local itemstack = ItemStack(options.output)
-	if itemstack:is_empty() then
-		return
-	end
-	if unified_inventory.crafts_table[itemstack:get_name()]==nil then
-		unified_inventory.crafts_table[itemstack:get_name()] = {}
+function unified_inventory.is_creative(playername)
+	if minetest.check_player_privs(playername, {creative=true}) or
+	   minetest.setting_getbool("creative_mode") then
+		return true
 	end
-	table.insert(unified_inventory.crafts_table[itemstack:get_name()],options)
-	--crafts_table_count=crafts_table_count+1
 end