craftguide/init.lua

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local craftguide, datas = {}, {}
local progressive_mode = minetest.setting_getbool("craftguide_progressive_mode")
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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 iX, iY = (minetest.setting_get("craftguide_size") or "8x3"):match(
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"([%d]+)[.%d+]*[^%d]*x[^%d]*([%d]+)[.%d+]*")
iX, iY = max(8, iX or 8), max(1, iY or 3)
local ipp = iX * iY
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local xoffset = iX / 2 + (iX % 2 == 0 and 0.5 or 0)
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 minetest.registered_items["default:"..item:sub(7)] then
item = item:gsub("group:", "default:")
else for node, def in pairs(minetest.registered_items) do
if def.groups[item:match("[^,:]+$")] then item = node end
end
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)
return minetest.colorize and minetest.colorize("#FFFF00", str) or str
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 = minetest.get_craft_result({
method="fuel", width=1, items={item}}).time
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local has_extras = groups or recipe_type == "cooking" or fueltime > 0
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if minetest.registered_items[item] then
if not groups then
item_desc = minetest.registered_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
tooltip = tooltip..item_desc.."\nBurning time: "..colorize(fueltime)
end
return has_extras and tooltip.."]" or ""
end
function craftguide:get_recipe(player_name, tooltip_l, item, recipe_num, recipes)
local formspec, recipe_type = "", recipes[recipe_num].type
if #recipes > 1 then formspec = formspec..
"button[0,"..(iY+3)..";2,1;alternate;Alternate]"..
"label[0,"..(iY+2)..".5;Recipe "..recipe_num.." of "..#recipes.."]"
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end
if recipe_type == "cooking" then
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formspec = formspec.."image["..(xoffset-0.8)..","..(iY+1)..
".5;0.5,0.5;default_furnace_front.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)..
";Recipe is too big to\nbe displayed ("..
width.."x"..rows..")]"
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))
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
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X = btn_size * (i % width) + xoffset
Y = btn_size * floor((i-1) / width) + iY+3 - min(2, rows)
end
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local groups = extract_groups(v)
local label = groups and "\nG" or ""
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local item_r = self:group_to_item(v)
local tooltip = self:get_tooltip(item_r, recipe_type, width, groups)
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formspec = formspec.."item_image_button["..X..","..Y..";"..
btn_size..","..btn_size..";"..
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item_r..";"..item_r..";"..label.."]"..tooltip
end
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end
local output = recipes[recipe_num].output
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return formspec.."image["..(xoffset-1)..","..(iY+2)..
".12;0.9,0.7;craftguide_arrow.png]"..
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"item_image_button["..(xoffset-2)..","..(iY+2)..";1,1;"..
output..";"..item..";]"..tooltip_l
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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 formspec = "size["..iX..","..(iY+3)..".6;]"..[[
background[1,1;1,1;craftguide_bg.png;true]
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button[2.5,0.2;0.8,0.5;search;?]
button[3.2,0.2;0.8,0.5;clear;X]
tooltip[search;Search]
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tooltip[clear;Reset]
field_close_on_enter[craftguide_filter, false] ]]..
"button["..(iX-3)..".4,0;0.8,0.95;prev;<]"..
"label["..(iX-2)..".1,0.18;"..
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colorize(data.pagenum).." / "..data.pagemax.."]"..
"button["..(iX-1)..".2,0;0.8,0.95;next;>]"..
"field[0.3,0.32;2.6,1;craftguide_filter;;"..
minetest.formspec_escape(data.filter).."]"
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if not next(data.items) then
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formspec = formspec.."label["..(xoffset -
(iX%2 == 0 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
local name = data.items[i+1]
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if not name then break end
local X = i % iX
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local Y = (i % ipp - X) / 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 minetest.registered_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
minetest.get_craft_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;"..
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data.item..";"..data.item..";]"..
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tooltip.."image["..(xoffset-2)..","..
(iY+2)..";1,1;craftguide_none.png]"
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else
formspec = formspec..
self:get_recipe(player_name, tooltip, data.item,
data.recipe_num, data.recipes_item)
end
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end
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data.formspec = formspec
minetest.show_formspec(player_name, "craftguide:book", formspec)
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end
local function player_has_item(T)
for i=1, #T do if T[i] then return true end end
end
local function group_to_items(group)
local items_with_group = {}
for name, def in pairs(minetest.registered_items) do
if def.groups[group:sub(7)] then
items_with_group[#items_with_group+1] = 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 minetest.get_all_craft_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
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 items_list, data, list_size = {}, datas[player_name], 0
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for name, def in pairs(minetest.registered_items) do
local is_fuel = minetest.get_craft_result({
method="fuel", width=1, items={name}}).time > 0
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if not (def.groups.not_in_creative_inventory == 1) and
(minetest.get_craft_recipe(name).items or is_fuel) and
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def.description and def.description ~= "" then
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list_size = list_size + 1
items_list[list_size] = name
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end
end
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sort(items_list)
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data.items = items_list
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data.size = #items_list
data.pagemax = max(1, ceil(data.size / ipp))
end
function craftguide:get_filter_items(player_name)
local data = datas[player_name]
local items_list = data.items
local player = minetest.get_player_by_name(player_name)
local inv = player:get_inventory()
for i=#items_list, 1, -1 do
if not items_list[i]:find(data.filter, 1, true) then
remove(items_list, i)
end
if progressive_mode then
local _, has_item =
self:recipe_in_inv(inv, items_list[i] or "")
if not has_item then remove(items_list, i) end
end
end
data.items = items_list
data.size = #items_list
data.pagemax = max(1, ceil(data.size / ipp))
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end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "craftguide:book" 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
data.filter, data.item, data.pagenum, data.recipe_num = "", nil, 1, 1
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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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elseif fields.alternate 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)
elseif fields.search or fields.key_enter_field == "craftguide_filter" then
data.filter = fields.craftguide_filter:lower()
data.pagenum = 1
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craftguide:get_init_items(player_name)
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)
if data.pagenum > data.pagemax then
data.pagenum = 1
elseif data.pagenum == 0 then
data.pagenum = data.pagemax
end
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craftguide:get_formspec(player_name)
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else for item in pairs(fields) do
if not item:find(":") then break end
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if item:sub(-4) == "_inv" then item = item:sub(1,-5) end
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local recipes = minetest.get_all_craft_recipes(item)
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local is_fuel = minetest.get_craft_result({
method="fuel", width=1, items={item}}).time > 0
if not recipes and not is_fuel then return end
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if progressive_mode then
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local player = minetest.get_player_by_name(player_name)
local inv = player:get_inventory()
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
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craftguide:get_formspec(player_name, is_fuel)
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end
end
end)
minetest.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()
if progressive_mode or not datas[player_name] then
datas[player_name] = {filter="", pagenum=1}
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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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minetest.show_formspec(player_name, "craftguide:book",
datas[player_name].formspec)
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end
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end
})
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minetest.register_craft({
output = "craftguide:book",
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type = "shapeless",
recipe = {"default:book"}
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})
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minetest.register_craft({
type = "fuel",
recipe = "craftguide:book",
burntime = 3
})
minetest.register_alias("xdecor:crafting_guide", "craftguide:book")