craftguide/init.lua

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local craftguide, datas, mt = {}, {}, minetest
local progressive_mode = mt.setting_getbool("craftguide_progressive_mode")
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local get_recipe, get_recipes = mt.get_craft_recipe, mt.get_all_craft_recipes
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local get_result, show_formspec = mt.get_craft_result, mt.show_formspec
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local reg_items = mt.registered_items
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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
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local itemsub = item:sub(7)
if group_stereotypes[itemsub] then
item = group_stereotypes[itemsub]
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elseif reg_items["default:" .. itemsub] 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)
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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
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if groups then
local groupstr = "Any item belonging to the "
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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
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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
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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
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formspec = formspec ..
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"button[0," .. (iY + 3.3) .. ";2,1;alternate;Alternate]" ..
"label[0," .. (iY + 2.8) .. ";Recipe " ..
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recipe_num .. " of " .. recipes_total .. "]"
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end
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local recipe_type = recipes[recipe_num].type
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local items = recipes[recipe_num].items
local width = recipes[recipe_num].width
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if recipe_type == "cooking" or (recipe_type == "normal" and width == 0) then
local icon = recipe_type == "cooking" and "furnace" or "shapeless"
formspec = formspec ..
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"image[" .. (xoffset - 0.8) .. "," .. (iY + 1.7) ..
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".5;0.5,0.5;craftguide_" .. icon .. ".png]"
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end
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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) ..
";Recipe is too big to\nbe displayed (" ..
width .. "x" .. rows .. ")]"
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else
for i, v in pairs(items) do
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local X = (i - 1) % width + xoffset
local Y = ceil(i / width + (iY + 2) - min(2, rows))
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if recipe_type == "normal" and width > 3 or rows > 3 then
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btn_size = width > 3 and 3 / width or 3 / rows
X = btn_size * (i % width) + xoffset
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Y = btn_size * floor((i - 1) / width) + (iY + 3) - min(2, rows)
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end
local groups = extract_groups(v)
local label = groups and "\nG" or ""
local item_r = self:group_to_item(v)
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local tltip = self:get_tooltip(item_r, recipe_type, width, groups)
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formspec = formspec ..
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"item_image_button[" .. X .. "," .. (Y + 0.2) .. ";" ..
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btn_size .. "," .. btn_size .. ";" .. item_r ..
";" .. item_r .. ";" .. label .. "]" .. tltip
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end
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end
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local output = recipes[recipe_num].output
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return formspec ..
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"image[" .. (xoffset - 1) .. "," .. (iY + 2.35) ..
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".12;0.9,0.7;craftguide_arrow.png]" ..
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"item_image_button[" .. (xoffset - 2) .. "," .. (iY + 2.2) .. ";1,1;" ..
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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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if not data.items then
data.items = datas.init_items
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end
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data.pagemax = max(1, ceil(#data.items / ipp))
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local formspec = "size[" .. (data.iX - 0.35) .. "," .. (iY + 4) .. ";]" .. [[
background[1,1;1,1;craftguide_bg.png;true]
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button[2.4,0.23;0.8,0.5;search;?]
button[3.05,0.23;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] ]] ..
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"button[" .. (data.iX * 0.48) .. ",-0.02;0.7,1;size_inc;+]" ..
"button[" .. ((data.iX * 0.48) + 0.5) ..
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",-0.02;0.7,1;size_dec;-]" ..
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"button[" .. (data.iX - 3.1) .. ".4,0;0.8,0.95;prev;<]" ..
"label[" .. (data.iX - 2.2) .. ".1,0.18;" ..
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colorize(data.pagenum) .. " / " .. data.pagemax .. "]" ..
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"button[" .. (data.iX - 1.2) .. ".2,0;0.8,0.95;next;>]" ..
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"field[0.3,0.32;2.5,1;filter;;" ..
mt.formspec_escape(data.filter) .. "]"
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local even_num = data.iX % 2 == 0
local xoffset = data.iX / 2 + (even_num and 0.5 or 0)
if not next(data.items) then
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formspec = formspec ..
"label[" .. (xoffset - (even_num and 1.5 or 1)) .. ",2;No item to show]"
end
local first_item = (data.pagenum - 1) * ipp
for i = first_item, first_item + ipp - 1 do
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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 ..
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"item_image_button[" .. (X - (X * 0.05)) .. "," .. Y .. ";1.1,1.1;" ..
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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 get_recipe(data.item).items) then
formspec = formspec ..
"image[" .. (xoffset - 1) .. "," .. (iY + 2) ..
".12;0.9,0.7;craftguide_arrow.png]" ..
"item_image_button[" .. xoffset .. "," .. (iY + 2) ..
";1,1;" .. data.item .. ";" .. data.item .. ";]" ..
tooltip .. "image[" .. (xoffset - 2) .. "," ..
(iY + 1.98) .. ";1,1;craftguide_fire.png]"
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else
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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
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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
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return items_with_group
end
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local function item_in_inv(inv, item)
return inv:contains_item("main", item)
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 = {}
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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)
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for j = 1, #groups do
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if item_in_inv(inv, groups[j]) then
group_in_inv = true
end
end
end
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if not group_in_inv and not item_in_inv(inv, 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
function craftguide:get_init_items()
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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)
datas.init_items = items_list
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end
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function craftguide:get_filter_items(data, player)
local filter = data.filter
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local items_list = progressive_mode and data.init_filter_items or datas.init_items
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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
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local item = items_list[i]
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local item_desc = reg_items[item].description:lower()
if filter ~= "" then
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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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if progressive_mode and not data.items then
data.init_filter_items = filtered_list
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
data.items = progressive_mode and data.init_filter_items or datas.init_items
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(data, player)
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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
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(fields.size_dec and data.iX > 9) 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 is_fuel = get_fueltime(item) > 0
local recipes = get_recipes(item)
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if not recipes and not is_fuel then return end
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if item == data.item then
if data.recipes_item and #data.recipes_item >= 2 then
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)
end
else
if progressive_mode then
local inv = player:get_inventory()
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local _, has_item = craftguide:recipe_in_inv(inv, item)
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if not has_item then return end
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recipes = craftguide:recipe_in_inv(inv, item, recipes)
end
data.item = item
data.recipe_num = 1
data.recipes_item = recipes
craftguide:get_formspec(player_name, is_fuel)
end
end
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end
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end
end)
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function craftguide:on_use(itemstack, user)
if not datas.init_items then
craftguide:get_init_items()
end
local player_name = user:get_player_name()
local data = datas[player_name]
if progressive_mode or not data then
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datas[player_name] = {filter = "", pagenum = 1, iX = 10}
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if progressive_mode then
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craftguide:get_filter_items(datas[player_name], user)
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end
craftguide:get_formspec(player_name)
else
show_formspec(player_name, "craftguide", data.formspec)
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,
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groups = {book = 1},
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on_use = function(itemstack, user)
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craftguide:on_use(itemstack, user)
end
})
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mt.register_node("craftguide:sign", {
description = "Crafting Guide Sign",
drawtype = "nodebox",
tiles = {"craftguide_sign.png"},
inventory_image = "craftguide_sign_inv.png",
wield_image = "craftguide_sign_inv.png",
paramtype = "light",
paramtype2 = "wallmounted",
sunlight_propagates = true,
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groups = {wood = 1, oddly_breakable_by_hand = 1, flammable = 3},
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node_box = {
type = "wallmounted",
wall_top = {-0.4375, 0.4375, -0.3125, 0.4375, 0.5, 0.3125},
wall_bottom = {-0.4375, -0.5, -0.3125, 0.4375, -0.4375, 0.3125},
wall_side = {-0.5, -0.3125, -0.4375, -0.4375, 0.3125, 0.4375}
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", "Crafting Guide Sign")
end,
on_rightclick = function(pos, node, user, itemstack)
craftguide:on_use(itemstack, user)
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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_craft({
output = "craftguide:sign",
type = "shapeless",
recipe = {"default:sign_wall_wood"}
})
mt.register_craft({
type = "fuel",
recipe = "craftguide:sign",
burntime = 10
})
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if rawget(_G, "sfinv_buttons") then
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sfinv_buttons.register_button("craftguide", {
title = "Crafting guide",
tooltip = "Shows a list of available crafting recipes, cooking recipes and fuels",
action = function(player)
craftguide:on_use(nil, player)
end,
image = "craftguide_book.png",
})
end
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mt.register_alias("xdecor:crafting_guide", "craftguide:book")