Add an API to unified inventory

ShadowNinja

2013-09-24 3107618c9e710b753b5ce81052b3765d92c01312

Add an API to unified inventory

 unified_inventory/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]"
            end
        end
    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

-- register_on_player_receive_fields
minetest.register_on_player_receive_fields(function(player, formname, fields)
    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
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
end
load_home() -- run it now
load_home()

-- set_home
unified_inventory.set_home = function(player, pos)
    local player_name=player:get_player_name()
    homepos[player_name] = pos
function unified_inventory.set_home(player, pos)
    local player_name = player:get_player_name()
    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)
    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
    end
    local craft = crafts[alternate]
    inv:set_stack("output", 1, craft.output)
    local items=craft.items

    -- 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
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
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
        end
    end
    return items
end

-- register_craft
unified_inventory.register_craft = function(options)
    if  options.output == nil then
function unified_inventory.register_craft(options)
    if not options.output 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()] = {}
    unified_inventory.crafts_table[itemstack:get_name()] =
            unified_inventory.crafts_table[itemstack:get_name()] or {}

    table.insert(unified_inventory.crafts_table[itemstack:get_name()], options)
end

function unified_inventory.register_page(name, def)
    unified_inventory.pages[name] = def
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
    table.insert(unified_inventory.crafts_table[itemstack:get_name()],options)
    --crafts_table_count=crafts_table_count+1
	
    def.name = name
	
    table.insert(unified_inventory.buttons, def)
end

function unified_inventory.is_creative(playername)
    if minetest.check_player_privs(playername, {creative=true}) or
       minetest.setting_getbool("creative_mode") then
        return true
    end
end

 unified_inventory/bags.lua

@@ -3,6 +3,61 @@
-- Copyright (c) 2012 cornernote, Brett O'Donnell <cornernote@gmail.com>
-- License: GPLv3

unified_inventory.register_page("bags", {
    get_formspec = function(player, formspec)
        local player_name = player:get_player_name()
        formspec = formspec .. "background[0.06,0.99;7.92,7.52;ui_bags_main_form.png]"
        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;]"
        return formspec
    end,
})

unified_inventory.register_button("bags", {
    type = "image",
    image = "ui_bags_icon.png",
})

for i = 1, 4 do
    unified_inventory.register_page("bag"..i, {
        get_formspec = function(player, formspec)
            local stack = player:get_inventory():get_stack("bag"..i, 1)
            local image = stack:get_definition().inventory_image
            formspec = formspec.."image[7,0;1,1;"..image.."]"
            formspec = formspec.."list[current_player;bag"..i.."contents;0,1;8,3;]"
            local slots = stack: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
            return formspec
        end,
    })
end

minetest.register_on_player_receive_fields(function(player, formname, fields)
    for i = 1, 4 do
        if fields["bag"..i] then
            local stack = player:get_inventory():get_stack("bag"..i, 1)
            if not stack:get_definition().groups.bagslots then
                return
            end
            unified_inventory.set_inventory_formspec(player, "bag"..i)
            return
        end
    end
end)

minetest.register_on_joinplayer(function(player)
    local player_inv = player:get_inventory()
    local bags_inv = minetest.create_detached_inventory(player:get_player_name().."_bags",{
@@ -22,7 +77,7 @@
            end
        end,
        allow_take = function(inv, listname, index, stack, player)
            if player:get_inventory():is_empty(listname.."contents")==true then
            if player:get_inventory():is_empty(listname.."contents") then
                return stack:get_count()
            else
                return 0

 unified_inventory/callbacks.lua

New file
@@ -0,0 +1,182 @@

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.items_list
    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.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 unified_inventory.is_creative(player:get_player_name()) 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
    local refill = minetest.create_detached_inventory(player_name.."refill", {
        allow_put = function(inv, listname, index, stack, player)
            if unified_inventory.is_creative(player:get_player_name()) then
                return stack:get_count()
            else
                return 0
            end
        end,
        on_put = function(inv, listname, index, stack, player)
            local stacktable = stack:to_table()
            stacktable.count = stack:get_stack_max()
            inv:set_stack(listname, index, ItemStack(stacktable))
            minetest.sound_play("electricity", {to_player=player_name, gain = 1.0})
        end,
    })
    refill:set_size("main", 1)
end)

minetest.register_on_player_receive_fields(function(player, formname, fields)
    local player_name = player:get_player_name()

    for i, def in pairs(unified_inventory.buttons) do
        if fields[def.name] then
            def.action(player)
            minetest.sound_play("click",
                    {to_player=player_name, gain = 0.1})
            return
        end
    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.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 do
        local button = "item_button"..list_index
        if fields[button] then 
            minetest.sound_play("click",
                    {to_player=player_name, gain = 0.1})
            if not unified_inventory.is_creative(player_name) then
                unified_inventory.set_inventory_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.current_page[player_name])
            else
                if unified_inventory.is_creative(player_name) 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.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.current_page[player_name])
            end
        end
    end
end)


 unified_inventory/init.lua

@@ -1,11 +1,42 @@
-- Unified Inventory mod 0.4.6
-- Unified Inventory for Minetest 0.4.8+

-- disable default creative inventory
local modpath = minetest.get_modpath(minetest.get_current_modname())
local worldpath = minetest.get_worldpath()

-- Data tables definitions
unified_inventory = {}
unified_inventory.activefilter = {}
unified_inventory.alternate = {}
unified_inventory.current_page = {}
unified_inventory.current_index = {}
unified_inventory.current_item = {}
unified_inventory.crafts_table = {}
unified_inventory.crafts_table_count = 0
unified_inventory.players = {}
unified_inventory.items_list_size = 0
unified_inventory.items_list = {}
unified_inventory.filtered_items_list_size = {}
unified_inventory.filtered_items_list = {}
unified_inventory.pages = {}
unified_inventory.buttons = {}

-- Homepos stuff
unified_inventory.home_pos = {}
unified_inventory.home_filename =
        worldpath.."/unified_inventory_home.home"
		
-- Default inventory page
unified_inventory.default = "craft"

-- Disable default creative inventory
if creative_inventory then 
    creative_inventory.set_creative_formspec = function(player, start_i, pagenum)
    return
    function creative_inventory.set_creative_formspec(player, start_i, pagenum)
        return
    end
end

dofile(minetest.get_modpath("unified_inventory").."/api.lua")
dofile(minetest.get_modpath("unified_inventory").."/bags.lua")
dofile(modpath.."/api.lua")
dofile(modpath.."/internal.lua")
dofile(modpath.."/callbacks.lua")
dofile(modpath.."/register.lua")
dofile(modpath.."/bags.lua")

 unified_inventory/internal.lua

New file
@@ -0,0 +1,223 @@

function unified_inventory.get_formspec(player, page)
    if not player 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;]"

    -- Background
    formspec = formspec .. "background[-0.19,-0.2;14.38,10.55;ui_form_bg.png]"
	
    -- Current page
    if unified_inventory.pages[page] then
        formspec = unified_inventory.pages[page].get_formspec(player, formspec)
    else
        return "" -- Invalid page name
    end

    -- Main buttons
    local i = 0
    for i, def in pairs(unified_inventory.buttons) do
        if def.type == "image" then
            formspec = formspec.."image_button["
                    ..(0.65 * i)..",9;0.8,0.8;"
                    ..minetest.formspec_escape(def.image)..";"
                    ..minetest.formspec_escape(def.name)..";]"
        end
        i = i + 1
    end

    -- Controls to flip items pages
    local start_x = 9.2
    formspec = formspec .. "image_button["..(start_x + 0.6 * 0)..",9;.8,.8;ui_skip_backward_icon.png;start_list;]"
    formspec = formspec .. "image_button["..(start_x + 0.6 * 1)..",9;.8,.8;ui_doubleleft_icon.png;rewind3;]"
    formspec = formspec .. "image_button["..(start_x + 0.6 * 2)..",9;.8,.8;ui_left_icon.png;rewind1;]"
    formspec = formspec .. "image_button["..(start_x + 0.6 * 3)..",9;.8,.8;ui_right_icon.png;forward1;]"
    formspec = formspec .. "image_button["..(start_x + 0.6 * 4)..",9;.8,.8;ui_doubleright_icon.png;forward3;]"
    formspec = formspec .. "image_button["..(start_x + 0.6 * 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;]"

    -- 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 = nil
    local item = {}
    for y = 0, 9 do
    for x = 0, 7 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 * 0.7)..","
                    ..(1   + y * 0.7)..";.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

function unified_inventory.set_inventory_formspec(player, page)
    if player then
        local formspec = unified_inventory.get_formspec(player, page)
        player:set_inventory_formspec(formspec)
    end
end

--apply filter to the inventory list (create filtered copy of full one)
function unified_inventory.apply_filter(player, filter)
    local player_name = player:get_player_name() 
    local size = 0
    local lfilter = string.lower(filter)
    if lfilter ~= "" then 
        for i=1, lfilter:len() do
            if lfilter:sub(i, i) == '[' then 
                str_temp1 = ""
                break
            end
        end
    end
    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
            local lname = string.lower(name)
            local ldesc = string.lower(def.description)
            if string.find(lname, lfilter) or string.find(ldesc, lfilter) 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.current_page[player_name])
end


-- update_recipe
function unified_inventory.update_recipe(player, stack_name, alternate)
    local inv = minetest.get_inventory({
        type = "detached",
        name = player:get_player_name().."craftrecipe"
    })	
    for i = 0, inv:get_size("build") do
        inv:set_stack("build", i, nil)
    end
    inv:set_stack("output", 1, nil)
    alternate = tonumber(alternate) or 1
    local crafts = unified_inventory.crafts_table[stack_name]
    --print(dump(crafts))
    if next(crafts) == nil then -- No craft recipes
        return
    end
    if alternate < 1 or alternate > #crafts then
        alternate = 1
    end
    local craft = crafts[alternate]
    inv:set_stack("output", 1, craft.output)
    local items = craft.items

    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
        for i = 1, 3 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
    if craft.width == 1 then
        local build_table={1, 4, 7}
        for i = 1, 3 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 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 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
end

function unified_inventory.find_item_def(def)
    if type(def) ~= "string" then
        return nil
    end
    if string.find(def, "group:") then
        def = string.gsub(def, "group:", "")
        def = string.gsub(def, "\"", "")
        if minetest.registered_nodes["default:"..def] then
            return "default:"..def
        end
        local items = unified_inventory.items_in_group(def)
        return items[1]
    else
        return def
    end
end

function unified_inventory.items_in_group(groups)
    local items = {}
    for name, item in pairs(minetest.registered_items) do
        for _, group in pairs(groups:split(',')) do
            if item.groups[group] then
                table.insert(items, name)
            end
        end
    end
    return items
end

 unified_inventory/register.lua

New file
@@ -0,0 +1,165 @@

minetest.register_privilege("creative", {
    description="Can use the creative inventory",
    give_to_singleplayer = false,
})

local trash = minetest.create_detached_inventory("trash", {
    --allow_put = function(inv, listname, index, stack, player)
    --    if unified_inventory.is_creative(player:get_player_name()) 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,
})
trash:set_size("main", 1)

unified_inventory.register_button("craft", {
    type = "image",
    image = "ui_craft_icon.png",
})

unified_inventory.register_button("craftguide", {
    type = "image",
    image = "ui_craftguide_icon.png",
})

unified_inventory.register_button("home_gui_set", {
    type = "image",
    image = "ui_sethome_icon.png",
    action = function(player)
        local player_name = player:get_player_name()
        unified_inventory.set_home(player, player:getpos())
        local home = unified_inventory.home_pos[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: "
                    ..minetest.pos_to_string(home))
        end
    end,
})

unified_inventory.register_button("home_gui_go", {
    type = "image",
    image = "ui_gohome_icon.png",
    action = function(player)
        minetest.sound_play("teleport",
                {to_player=player:get_player_name(), gain = 1.0})
        unified_inventory.go_home(player)
    end,
})

unified_inventory.register_button("misc_set_day", {
    type = "image",
    image = "ui_sun_icon.png",
    action = function(player)
        local player_name = player:get_player_name()
        if minetest.check_player_privs(player_name, {settime=true}) then 
            minetest.sound_play("birds",
                    {to_player=player_name, gain = 1.0})
            minetest.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 the"
                    .." settime priviledge!")
        end
    end,
})

unified_inventory.register_button("misc_set_night", {
    type = "image",
    image = "ui_moon_icon.png",
    action = function(player)
        local player_name = player:get_player_name()
        if minetest.check_player_privs(player_name, {settime=true}) then
            minetest.sound_play("owl",
                    {to_player=player_name, gain = 1.0})
            minetest.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 the"
                    .." settime priviledge!")	
        end
    end,
})

unified_inventory.register_button("clear_inv", {
    type = "image",
    image = "ui_trash_icon.png",
    action = function(player)
    local player_name = player:get_player_name()
        player:get_inventory():set_list("main", {})
        minetest.chat_send_player(player_name, 'Inventory Cleared!')
        minetest.sound_play("trash_all",
                {to_player=player_name, gain = 1.0})
    end,
})

unified_inventory.register_page("craft", {
    get_formspec = function(player, formspec)
        local player_name = player:get_player_name()
        formspec = formspec.."background[0.06,0.99;7.92,7.52;ui_crafting_form.png]"
        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;]"
        formspec = formspec.."label[7,2.5;Trash:]"
        formspec = formspec.."list[detached:trash;main;7,3;1,1;]"
        if unified_inventory.is_creative(player_name) then
            formspec = formspec.."label[0,2.5;Refill:]"
            formspec = formspec.."list[detached:"..player_name.."refill;main;0,3;1,1;]"
        end
        return formspec
    end,
})

unified_inventory.register_page("craftguide", {
    get_formspec = function(player, formspec)
        local player_name = player:get_player_name()
        formspec = formspec.."background[0.06,0.99;7.92,7.52;ui_craftguide_form.png]"
        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 = craft.type
                if craft.type == "shapeless" then
                    method="shapeless crafting"
                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
        return formspec
    end,
})