craftguide/init.lua

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local craftguide, datas, mt = {}, {}, minetest
local progressive_mode = mt.setting_getbool("craftguide_progressive_mode")
local reg_items, get_recipes = mt.registered_items, mt.get_all_craft_recipes
local get_player, get_recipe = mt.get_player_by_name, mt.get_craft_recipe
local get_result, show_formspec = mt.get_craft_result, mt.show_formspec
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-- Lua 5.3 removed `table.maxn`, use this alternative in case of breakage:
-- https://github.com/kilbith/xdecor/blob/master/handlers/helpers.lua#L1
local remove, maxn, sort = table.remove, table.maxn, table.sort
local min, max, floor, ceil = math.min, math.max, math.floor, math.ceil
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local group_stereotypes = {
wool = "wool:white",
dye = "dye:white",
water_bucket = "bucket:bucket_water",
vessel = "vessels:glass_bottle",
coal = "default:coal_lump",
flower = "flowers:dandelion_yellow",
mesecon_conductor_craftable = "mesecons:wire_00000000_off",
}
function craftguide:group_to_item(item)
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if item:sub(1,6) == "group:" then
local short_itemstr = item:sub(7)
if group_stereotypes[short_itemstr] then
item = group_stereotypes[short_itemstr]
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elseif reg_items["default:"..item:sub(7)] then
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item = item:gsub("group:", "default:")
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else
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for name, def in pairs(reg_items) do
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if def.groups[item:match("[^,:]+$")] then
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item = name
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end
end
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end
end
return item:sub(1,6) == "group:" and "" or item
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end
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local function extract_groups(str)
if str:sub(1,6) ~= "group:" then return end
return str:sub(7):split(",")
end
local function colorize(str)
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-- If client <= 0.4.14, don't colorize for compatibility.
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return mt.colorize and mt.colorize("#FFFF00", str) or str
end
local function get_fueltime(item)
return get_result({method="fuel", width=1, items={item}}).time
end
function craftguide:get_tooltip(item, recipe_type, cooktime, groups)
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local tooltip, item_desc = "tooltip["..item..";", ""
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local fueltime = get_fueltime(item)
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local has_extras = groups or recipe_type == "cooking" or fueltime > 0
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if reg_items[item] then
if not groups then
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item_desc = reg_items[item].description
end
else
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return tooltip.."Unknown Item ("..item..")]"
end
if groups then
local groupstr = "Any item belonging to the "
for i=1, #groups do
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groupstr = groupstr..colorize(groups[i])..
(groups[i+1] and " and " or "")
end
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tooltip = tooltip..groupstr.." group(s)"
end
if recipe_type == "cooking" then
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tooltip = tooltip..item_desc.."\nCooking time: "..
colorize(cooktime)
end
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if fueltime > 0 then
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tooltip = tooltip..item_desc.."\nBurning time: "..
colorize(fueltime)
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end
return has_extras and tooltip.."]" or ""
end
function craftguide:get_recipe(iY, xoffset, tooltip, item, recipe_num, recipes)
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local formspec, recipes_total = "", #recipes
if recipes_total > 1 then
formspec = formspec..
"button[0,"..(iY+3)..";2,1;alternate;Alternate]"..
"label[0,"..(iY+2)..".5;Recipe "..
recipe_num.." of "..recipes_total.."]"
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end
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local recipe_type = recipes[recipe_num].type
if recipe_type == "cooking" then
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formspec = formspec..
"image["..(xoffset-0.8)..","..(iY+1)..
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".5;0.5,0.5;craftguide_furnace.png]"
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end
local items = recipes[recipe_num].items
local width = recipes[recipe_num].width
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if width == 0 then width = min(3, #items) end
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local rows = ceil(maxn(items) / width)
local btn_size, craftgrid_limit = 1, 5
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if recipe_type == "normal" and
width > craftgrid_limit or rows > craftgrid_limit then
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formspec = formspec..
"label["..xoffset..","..(iY+2)..
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";Recipe is too big to\nbe displayed ("..
width.."x"..rows..")]"
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else
for i, v in pairs(items) do
local X = (i-1) % width + xoffset
local Y = ceil(i / width + iY+2 - min(2, rows))
if recipe_type == "normal" and
width > 3 or rows > 3 then
btn_size = width > 3 and 3 / width or 3 / rows
X = btn_size * (i % width) + xoffset
Y = btn_size * floor((i-1) / width) + iY+3 -
min(2, rows)
end
local groups = extract_groups(v)
local label = groups and "\nG" or ""
local item_r = self:group_to_item(v)
local tltip = self:get_tooltip(
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item_r, recipe_type, width, groups)
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formspec = formspec..
"item_image_button["..X..","..Y..";"..
btn_size..","..btn_size..";"..item_r..
";"..item_r..";"..label.."]"..tltip
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end
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end
local output = recipes[recipe_num].output
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return formspec..
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"image["..(xoffset-1)..","..(iY+2)..
".12;0.9,0.7;craftguide_arrow.png]"..
"item_image_button["..(xoffset-2)..","..(iY+2)..";1,1;"..
output..";"..item..";]"..tooltip
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end
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function craftguide:get_formspec(player_name, is_fuel)
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local data = datas[player_name]
local iY = data.iX - 5
local ipp = data.iX * iY
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data.pagemax = max(1, ceil(#data.items / ipp))
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local formspec = "size["..data.iX..","..(iY+3)..".6;]"..[[
background[1,1;1,1;craftguide_bg.png;true]
button[2.4,0.21;0.8,0.5;search;?]
button[3.05,0.21;0.8,0.5;clear;X]
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tooltip[search;Search]
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tooltip[clear;Reset]
tooltip[size_inc;Increase window size]
tooltip[size_dec;Decrease window size]
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field_close_on_enter[filter, false] ]]..
"button["..(data.iX/2)..",-0.02;0.7,1;size_inc;+]"..
"button["..((data.iX/2) + 0.5)..
",-0.02;0.7,1;size_dec;-]"..
"button["..(data.iX-3)..".4,0;0.8,0.95;prev;<]"..
"label["..(data.iX-2)..".1,0.18;"..
colorize(data.pagenum).." / "..data.pagemax.."]"..
"button["..(data.iX-1)..".2,0;0.8,0.95;next;>]"..
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"field[0.3,0.32;2.5,1;filter;;"..
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mt.formspec_escape(data.filter).."]"
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local odd = data.iX % 2 == 0
local xoffset = data.iX / 2 + (odd and 0.5 or 0)
if not next(data.items) then
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formspec = formspec..
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"label["..(xoffset - (odd and 1.5 or 1))..
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",2;No item to show]"
end
local first_item = (data.pagenum - 1) * ipp
for i = first_item, first_item + ipp - 1 do
local name = data.items[i+1]
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if not name then break end
local X = i % data.iX
local Y = (i % ipp - X) / data.iX + 1
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formspec = formspec..
"item_image_button["..X..","..Y..";1,1;"..
name..";"..name.."_inv;]"
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end
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if data.item and reg_items[data.item] then
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local tooltip = self:get_tooltip(data.item)
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if not data.recipes_item or (is_fuel and not
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get_recipe(data.item).items) then
formspec = formspec..
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"image["..(xoffset-1)..","..(iY+2)..
".12;0.9,0.7;craftguide_arrow.png]"..
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"item_image_button["..xoffset..","..(iY+2)..
";1,1;"..data.item..";"..data.item..";]"..
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tooltip.."image["..(xoffset-2)..","..
(iY+1.98)..";1,1;craftguide_fire.png]"
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else
formspec = formspec..self:get_recipe(
iY, xoffset, tooltip, data.item,
data.recipe_num, data.recipes_item)
end
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end
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data.formspec = formspec
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show_formspec(player_name, "craftguide", formspec)
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end
local function player_has_item(T)
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for i=1, #T do
if T[i] then return true end
end
end
local function group_to_items(group)
local items_with_group, counter = {}, 0
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for name, def in pairs(reg_items) do
if def.groups[group:sub(7)] then
counter = counter + 1
items_with_group[counter] = name
end
end
return items_with_group
end
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function craftguide:recipe_in_inv(inv, item_name, recipes_f)
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local recipes = recipes_f or get_recipes(item_name) or {}
local show_item_recipes = {}
for i=1, #recipes do
show_item_recipes[i] = true
for _, item in pairs(recipes[i].items) do
local group_in_inv = false
if item:sub(1,6) == "group:" then
local groups = group_to_items(item)
for j=1, #groups do
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if inv:contains_item(
"main", groups[j]) then
group_in_inv = true
end
end
end
if not group_in_inv and
not inv:contains_item("main", item) then
show_item_recipes[i] = false
end
end
end
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for i=#show_item_recipes, 1, -1 do
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if not show_item_recipes[i] then
remove(recipes, i)
end
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end
return recipes, player_has_item(show_item_recipes)
end
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function craftguide:get_init_items(player_name)
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local data = datas[player_name]
local items_list, counter = {}, 0
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for name, def in pairs(reg_items) do
local is_fuel = get_fueltime(name) > 0
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if not (def.groups.not_in_creative_inventory == 1) and
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(get_recipe(name).items or is_fuel) and
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def.description and def.description ~= "" then
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counter = counter + 1
items_list[counter] = name
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end
end
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sort(items_list)
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data.init_items = items_list
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data.items = items_list
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end
function craftguide:get_filter_items(player_name)
local data = datas[player_name]
local filter = data.filter
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local items_list = progressive_mode and data.items or data.init_items
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local player = get_player(player_name)
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local inv = player:get_inventory()
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local filtered_list, counter = {}, 0
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for i=1, #items_list do
local item = items_list[i]
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local item_desc = reg_items[item].description:lower()
if filter ~= "" then
if item:find(filter, 1, true) or
item_desc:find(filter, 1, true) then
counter = counter + 1
filtered_list[counter] = item
end
elseif progressive_mode then
local _, has_item = self:recipe_in_inv(inv, item)
if has_item then
counter = counter + 1
filtered_list[counter] = item
end
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end
end
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data.items = filtered_list
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end
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mt.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "craftguide" then return end
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local player_name = player:get_player_name()
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local data = datas[player_name]
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if fields.clear then
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data.filter, data.item, data.pagenum, data.recipe_num =
"", nil, 1, 1
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data.items = data.init_items
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if progressive_mode then
craftguide:get_filter_items(player_name)
end
craftguide:get_formspec(player_name)
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elseif fields.alternate then
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local recipe = data.recipes_item[data.recipe_num + 1]
data.recipe_num = recipe and data.recipe_num + 1 or 1
craftguide:get_formspec(player_name)
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elseif (fields.key_enter_field == "filter" or fields.search) and
fields.filter ~= "" then
data.filter = fields.filter:lower()
data.pagenum = 1
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craftguide:get_filter_items(player_name)
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craftguide:get_formspec(player_name)
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elseif fields.prev or fields.next then
data.pagenum = data.pagenum - (fields.prev and 1 or -1)
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if data.pagenum > data.pagemax then
data.pagenum = 1
elseif data.pagenum == 0 then
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data.pagenum = data.pagemax
end
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craftguide:get_formspec(player_name)
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elseif (fields.size_inc and data.iX < 12) or
(fields.size_dec and data.iX > 8) then
data.pagenum = 1
data.iX = data.iX - (fields.size_dec and 1 or -1)
craftguide:get_formspec(player_name)
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else for item in pairs(fields) do
if item:find(":") then
if item:sub(-4) == "_inv" then
item = item:sub(1,-5)
end
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local recipes = get_recipes(item)
local is_fuel = get_fueltime(item) > 0
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if not recipes and not is_fuel then return end
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if progressive_mode then
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local inv = player:get_inventory()
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local _, has_item =
craftguide:recipe_in_inv(inv, item)
if not has_item then return end
recipes = craftguide:recipe_in_inv(
inv, item, recipes)
end
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data.item = item
data.recipe_num = 1
data.recipes_item = recipes
craftguide:get_formspec(player_name, is_fuel)
end
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end
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end
end)
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mt.register_craftitem("craftguide:book", {
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description = "Crafting Guide",
inventory_image = "craftguide_book.png",
wield_image = "craftguide_book.png",
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stack_max = 1,
groups = {book=1},
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on_use = function(itemstack, user)
local player_name = user:get_player_name()
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local data = datas[player_name]
if progressive_mode or not data then
datas[player_name] = {filter="", pagenum=1, iX=9}
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craftguide:get_init_items(player_name)
if progressive_mode then
craftguide:get_filter_items(player_name)
end
craftguide:get_formspec(player_name)
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else
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show_formspec(player_name, "craftguide", data.formspec)
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end
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end
})
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mt.register_craft({
output = "craftguide:book",
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type = "shapeless",
recipe = {"default:book"}
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})
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mt.register_craft({
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type = "fuel",
recipe = "craftguide:book",
burntime = 3
})
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mt.register_alias("xdecor:crafting_guide", "craftguide:book")