craftguide/init.lua

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craftguide = {
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custom_crafts = {},
craft_types = {},
}
local mt = minetest
local datas = {searches = {}}
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local progressive_mode = mt.settings:get_bool("craftguide_progressive_mode")
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local sfinv_only = mt.settings:get_bool("craftguide_sfinv_only")
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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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craftguide.path = mt.get_modpath("craftguide")
-- Intllib
local S = dofile(craftguide.path .. "/intllib.lua")
craftguide.intllib = S
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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
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local remove, maxn, sort, concat = table.remove, table.maxn, table.sort, table.concat
local vector_add, vector_mul = vector.add, vector.multiply
local min, max, floor, ceil = math.min, math.max, math.floor, math.ceil
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local DEFAULT_SIZE = 10
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local MIN_LIMIT, MAX_LIMIT = 10, 12
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DEFAULT_SIZE = min(MAX_LIMIT, max(MIN_LIMIT, DEFAULT_SIZE))
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local GRID_LIMIT = 5
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local BUTTON_SIZE = 1.1
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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",
}
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local function extract_groups(str)
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if str:sub(1,6) ~= "group:" then
return
end
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return str:sub(7):split(",")
end
function craftguide.register_craft_type(name, def)
if not craftguide.craft_types[name] then
craftguide.craft_types[name] = def
end
end
craftguide.register_craft_type("digging", {
description = S("Digging"),
icon = "default_tool_steelpick.png",
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})
function craftguide.register_craft(def)
craftguide.custom_crafts[#craftguide.custom_crafts + 1] = def
end
craftguide.register_craft({
type = "digging",
width = 1,
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output = "default:cobble",
items = {"default:stone"},
})
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local color_codes = {
red = "#FF0000",
yellow = "#FFFF00",
}
local function colorize(str, color)
color = color or "yellow"
return mt.colorize(color_codes[color], str)
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end
local function get_fueltime(item)
return get_result({method = "fuel", width = 1, items = {item}}).time
end
local function reset_datas(data)
data.show_usage = nil
data.filter = ""
data.item = nil
data.pagenum = 1
data.rnum = 1
data.items = progressive_mode and data.init_filter_items or datas.init_items
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end
local function in_table(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, counter = {}, 0
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
local function item_in_inv(inv, item)
return inv:contains_item("main", item)
end
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local function 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 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
return tooltip .. S("Unknown Item (@1)", item) .. "]"
end
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if groups then
local groupstr = ""
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for i = 1, #groups do
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groupstr = groupstr ..
colorize(groups[i]) .. (groups[i + 1] and ", " or "")
end
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tooltip = tooltip ..
S("Any item belonging to the group(s)") .. ": " .. groupstr
end
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if recipe_type == "cooking" then
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tooltip = tooltip .. item_desc .. "\n" ..
S("Cooking time") .. ": " .. colorize(cooktime)
end
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if fueltime > 0 then
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tooltip = tooltip .. item_desc .. "\n" ..
S("Burning time") .. ": " .. colorize(fueltime)
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end
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return has_extras and tooltip .. "]" or ""
end
local function get_recipe_fs(iX, iY, xoffset, recipe_num, recipes, show_usage)
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local fs, recipes_total = {}, #recipes
fs[#fs + 1] = "button[" .. (iX - (sfinv_only and 2.2 or 2.6)) .. "," ..
(iY + (sfinv_only and 3.9 or 3.3)) .. ";2.2,1;alternate;" ..
(show_usage and S("Usage") or S("Recipe")) .. " " ..
S("@1 of @2", recipe_num, recipes_total) .. "]"
if not recipes[1] then
return ""
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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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local cooktime = width
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if recipe_type == "cooking" then
width = 1
elseif width == 0 then
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width = min(3, #items)
end
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local rows = ceil(maxn(items) / width)
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local rightest, s_btn_size = 0
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if recipe_type ~= "cooking" and (width > GRID_LIMIT or rows > GRID_LIMIT) then
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fs[#fs + 1] = "label[" .. ((iX / 2) - 2) .. "," .. (iY + 2.2) .. ";" ..
S("Recipe is too big to be displayed (@1x@2)", width, rows) .. "]"
return concat(fs)
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else
for i, v in pairs(items) do
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local X = ceil((i - 1) % width + xoffset - width) -
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(sfinv_only and 0 or 0.2)
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local Y = ceil(i / width + (iY + 2) - min(2, rows))
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if recipe_type ~= "cooking" and (width > 3 or rows > 3) then
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BUTTON_SIZE = width > 3 and 3 / width or 3 / rows
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s_btn_size = BUTTON_SIZE
X = BUTTON_SIZE * (i % width) + xoffset - 2.65
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Y = BUTTON_SIZE * floor((i - 1) / width) + (iY + 3) - min(2, rows)
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end
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if X > rightest then
rightest = X
end
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local groups = extract_groups(v)
local label = groups and "\nG" or ""
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local item_r = group_to_item(v)
local tltip = get_tooltip(item_r, recipe_type, cooktime, groups)
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fs[#fs + 1] = "item_image_button[" .. X .. "," ..
(Y + (sfinv_only and 0.7 or 0.2)) .. ";" ..
BUTTON_SIZE .. "," .. BUTTON_SIZE .. ";" .. item_r ..
";" .. item_r:match("%S*") .. ";" .. label .. "]" .. tltip
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end
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BUTTON_SIZE = 1.1
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end
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local custom_recipe = craftguide.craft_types[recipe_type]
if recipe_type == "cooking" or custom_recipe or
(recipe_type == "normal" and width == 0) then
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local icon = recipe_type == "cooking" and "furnace" or "shapeless"
local coords = (rightest + 1.2) .. "," ..
(iY + (sfinv_only and 2.2 or 1.7)) ..
";0.5,0.5;"
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fs[#fs + 1] = "image[" .. coords ..
(custom_recipe and custom_recipe.icon or
"craftguide_" .. icon .. ".png^[resize:16x16") .. "]"
fs[#fs + 1] = "tooltip[" .. coords ..
(custom_recipe and custom_recipe.description or
recipe_type:gsub("^%l", string.upper)) .. "]"
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end
local output = recipes[recipe_num].output
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local output_s = output:match("%S+")
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local arrow_X = rightest + (s_btn_size or BUTTON_SIZE)
local output_X = arrow_X + 0.9
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fs[#fs + 1] = "image[" .. arrow_X .. "," ..
(iY + (sfinv_only and 2.85 or 2.35)) ..
";0.9,0.7;craftguide_arrow.png]"
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if output == "BURN" then
fs[#fs + 1] = "image[" .. output_X .. "," ..
(iY + (sfinv_only and 2.68 or 2.18)) ..
";1.1,1.1;craftguide_fire.png]"
else
fs[#fs + 1] = "item_image_button[" .. output_X .. "," ..
(iY + (sfinv_only and 2.7 or 2.2)) .. ";" ..
BUTTON_SIZE .. "," .. BUTTON_SIZE .. ";" ..
output .. ";" .. output_s .. ";]"
end
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fs[#fs + 1] = get_tooltip(output_s)
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local output_is_fuel = get_fueltime(output) > 0
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if output_is_fuel then
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fs[#fs + 1] = "image[" .. (output_X + 1) .. "," ..
(iY + (sfinv_only and 2.83 or 2.33)) ..
";0.6,0.4;craftguide_arrow.png]"
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fs[#fs + 1] = "image[" .. (output_X + 1.6) .. "," ..
(iY + (sfinv_only and 2.68 or 2.18)) ..
";0.6,0.6;craftguide_fire.png]"
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end
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return concat(fs)
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end
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local function get_formspec(player_name)
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local data = datas[player_name]
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local iY = sfinv_only and 4 or 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 fs = {}
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if not sfinv_only then
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fs[#fs + 1] = "size[" .. (data.iX - 0.35) .. "," .. (iY + 4) .. ";]"
fs[#fs + 1] = "background[1,1;1,1;craftguide_bg.png;true]"
fs[#fs + 1] = "tooltip[size_inc;" .. S("Increase window size") .. "]"
fs[#fs + 1] = "tooltip[size_dec;" .. S("Decrease window size") .. "]"
fs[#fs + 1] = "image_button[" .. (data.iX * 0.47) ..
",0.12;0.8,0.8;craftguide_zoomin_icon.png;size_inc;]"
fs[#fs + 1] = "image_button[" .. ((data.iX * 0.47) + 0.6) ..
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",0.12;0.8,0.8;craftguide_zoomout_icon.png;size_dec;]"
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end
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fs[#fs + 1] = [[
image_button[2.4,0.12;0.8,0.8;craftguide_search_icon.png;search;]
image_button[3.05,0.12;0.8,0.8;craftguide_clear_icon.png;clear;]
field_close_on_enter[filter;false]
]]
fs[#fs + 1] = "tooltip[search;" .. S("Search") .. "]"
fs[#fs + 1] = "tooltip[clear;" .. S("Reset") .. "]"
fs[#fs + 1] = "tooltip[prev;" .. S("Previous page") .. "]"
fs[#fs + 1] = "tooltip[next;" .. S("Next page") .. "]"
fs[#fs + 1] = "image_button[" .. (data.iX - (sfinv_only and 2.6 or 3.1)) ..
",0.12;0.8,0.8;craftguide_prev_icon.png;prev;]"
fs[#fs + 1] = "label[" .. (data.iX - (sfinv_only and 1.7 or 2.2)) .. ",0.22;" ..
colorize(data.pagenum) .. " / " .. data.pagemax .. "]"
fs[#fs + 1] = "image_button[" .. (data.iX - (sfinv_only and 0.7 or 1.2) -
(data.iX >= 11 and 0.08 or 0)) ..
",0.12;0.8,0.8;craftguide_next_icon.png;next;]"
fs[#fs + 1] = "field[0.3,0.32;2.5,1;filter;;" .. mt.formspec_escape(data.filter) .. "]"
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local xoffset = data.iX / 2.15
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if not next(data.items) then
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fs[#fs + 1] = "label[" .. ((data.iX / 2) - 1) ..
",2;" .. S("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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fs[#fs + 1] = "item_image_button[" ..
(X - (sfinv_only and 0 or (X * 0.05))) .. "," ..
Y .. ";" .. BUTTON_SIZE .. "," .. BUTTON_SIZE .. ";" ..
name .. ";" .. name .. "_inv;]"
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end
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if data.item and reg_items[data.item] then
local usage = data.show_usage
fs[#fs + 1] = get_recipe_fs(data.iX,
iY,
xoffset,
data.rnum,
(usage and data.usages or data.recipes_item),
usage)
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end
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fs = concat(fs)
data.formspec = fs
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if sfinv_only then
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return fs
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else
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show_formspec(player_name, "craftguide", fs)
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end
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end
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local show_fs = function(player, player_name)
if sfinv_only then
local context = sfinv.get_or_create_context(player)
sfinv.set_player_inventory_formspec(player, context)
else
get_formspec(player_name)
end
end
local function 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
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return recipes, in_table(show_item_recipes)
end
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local function get_filter_items(data, player)
local filter = data.filter
if datas.searches[filter] then
data.items = datas.searches[filter]
return
end
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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
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local _, has_item = 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 then
if not data.items then
data.init_filter_items = filtered_list
end
elseif filter ~= "" then
-- Cache the results only if searched 2 times
if datas.searches[filter] == nil then
datas.searches[filter] = false
else
datas.searches[filter] = filtered_list
end
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end
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data.items = filtered_list
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end
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local function init_datas(user, name)
datas[name] = {filter = "", pagenum = 1, iX = sfinv_only and 8 or DEFAULT_SIZE}
if progressive_mode then
get_filter_items(datas[name], user)
end
end
local function add_custom_recipes(item, recipes)
for j = 1, #craftguide.custom_crafts do
local craft = craftguide.custom_crafts[j]
if craft.output:match("%S*") == item then
recipes[#recipes + 1] = {
type = craft.type,
width = craft.width,
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items = craft.items,
output = craft.output,
}
end
end
return recipes
end
local function get_init_items()
local items_list, c = {}, 0
local function list(name)
c = c + 1
items_list[c] = name
end
for name, def in pairs(reg_items) do
local is_fuel = get_fueltime(name) > 0
if (not (def.groups.not_in_craft_guide == 1 or
def.groups.not_in_creative_inventory == 1)) and
(get_recipe(name).items or is_fuel) and
def.description and def.description ~= "" then
list(name)
end
end
for i = 1, #craftguide.custom_crafts do
local craft = craftguide.custom_crafts[i]
local output = craft.output:match("%S*")
local listed
for j = 1, #items_list do
local listed_item = items_list[j]
if output == listed_item then
listed = true
break
end
end
if not listed then
list(output)
end
end
sort(items_list)
datas.init_items = items_list
end
mt.register_on_mods_loaded(function()
get_init_items()
end)
local function get_item_usages(item)
local usages = {}
for name, def in pairs(reg_items) do
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if not (def.groups.not_in_craft_guide == 1 or
def.groups.not_in_creative_inventory == 1) and
get_recipe(name).items and def.description and def.description ~= "" then
local recipes = get_recipes(name)
for i = 1, #recipes do
local recipe = recipes[i]
local items = recipe.items
for j = 1, #items do
if items[j] == item then
usages[#usages + 1] = {
type = recipe.type,
items = items,
width = recipe.width,
output = recipe.output,
}
break
end
end
end
end
end
return usages
end
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local function get_fields(player, ...)
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local args, formname, fields = {...}
if sfinv_only then
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fields = args[1]
else
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formname, fields = args[1], args[2]
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end
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if not sfinv_only and 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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reset_datas(data)
show_fs(player, player_name)
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elseif fields.alternate then
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if (data.usages and #data.usages == 1) or #data.recipes_item == 1 then
return
end
local next_i
if data.show_usage then
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next_i = data.usages[data.rnum + 1]
else
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next_i = data.recipes_item[data.rnum + 1]
end
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data.rnum = next_i and data.rnum + 1 or 1
show_fs(player, 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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get_filter_items(data, player)
show_fs(player, 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
show_fs(player, player_name)
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elseif (fields.size_inc and data.iX < MAX_LIMIT) or
(fields.size_dec and data.iX > MIN_LIMIT) then
data.pagenum = 1
data.iX = data.iX - (fields.size_dec and 1 or -1)
show_fs(player, 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)
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elseif item:find("%s") then
item = item:match("%S*")
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end
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local is_fuel = get_fueltime(item) > 0
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local recipes = get_recipes(item) or {}
recipes = add_custom_recipes(item, recipes)
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local no_recipes = not next(recipes)
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if no_recipes and not is_fuel then
return
end
if item ~= data.item then
data.show_usage = nil
end
if not progressive_mode and (is_fuel and no_recipes) or
(not data.show_usage and item == data.item) then
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data.usages = get_item_usages(item)
if is_fuel then
data.usages[#data.usages + 1] = {
width = 1,
type = "normal",
items = {item},
output = "BURN",
}
end
if next(data.usages) then
data.show_usage = true
end
elseif progressive_mode then
local inv = player:get_inventory()
local has_item
recipes, has_item = recipe_in_inv(inv, item, recipes)
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if not has_item then
return
end
end
data.item = item
data.recipes_item = recipes
data.rnum = 1
data.show_usage = data.show_usage
show_fs(player, player_name)
end
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end
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end
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end
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if sfinv_only then
sfinv.register_page("craftguide:craftguide", {
title = "Craft Guide",
get = function(self, player, context)
local player_name = player:get_player_name()
return sfinv.make_formspec(
player,
context,
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get_formspec(player_name)
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)
end,
on_enter = function(self, player, context)
local player_name = player:get_player_name()
local data = datas[player_name]
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if progressive_mode or not data then
init_datas(player, player_name)
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end
end,
on_player_receive_fields = function(self, player, context, fields)
get_fields(player, fields)
end,
})
else
mt.register_on_player_receive_fields(get_fields)
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local function on_use(itemstack, user)
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local player_name = user:get_player_name()
local data = datas[player_name]
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if progressive_mode or not data then
init_datas(user, player_name)
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get_formspec(player_name)
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else
show_formspec(player_name, "craftguide", data.formspec)
end
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end
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mt.register_craftitem("craftguide:book", {
description = S("Crafting Guide"),
inventory_image = "craftguide_book.png",
wield_image = "craftguide_book.png",
stack_max = 1,
groups = {book = 1},
on_use = function(itemstack, user)
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on_use(itemstack, user)
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end
})
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mt.register_node("craftguide:sign", {
description = S("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,
groups = {wood = 1, oddly_breakable_by_hand = 1, flammable = 3},
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)
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local meta = mt.get_meta(pos)
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meta:set_string("infotext", S("Crafting Guide Sign"))
end,
on_rightclick = function(pos, node, user, itemstack)
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on_use(itemstack, user)
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end
})
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mt.register_craft({
output = "craftguide:book",
type = "shapeless",
recipe = {"default:book"}
})
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mt.register_craft({
type = "fuel",
recipe = "craftguide:book",
burntime = 3
})
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
sfinv_buttons.register_button("craftguide", {
title = S("Crafting Guide"),
tooltip = S("Shows a list of available crafting recipes, cooking recipes and fuels"),
action = function(player)
on_use(nil, player)
end,
image = "craftguide_book.png",
})
end
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end
if not progressive_mode then
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mt.register_chatcommand("craft", {
description = S("Show recipe(s) of the pointed node"),
func = function(name)
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local player = mt.get_player_by_name(name)
local ppos = player:get_pos()
local dir = player:get_look_dir()
local eye_h = {x = ppos.x, y = ppos.y + 1.625, z = ppos.z}
local node_name
for i = 1, 10 do
local look_at = vector_add(eye_h, vector_mul(dir, i))
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local node = mt.get_node(look_at)
if node.name ~= "air" then
node_name = node.name
break
end
end
if not node_name then
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return false, colorize("[craftguide] ", "red") .. S("No node pointed")
elseif not datas[name] then
init_datas(player, name)
end
local data = datas[name]
reset_datas(data)
local is_fuel = get_fueltime(node_name) > 0
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local recipes = get_recipes(node_name) or {}
recipes = add_custom_recipes(node_name, recipes)
local no_recipes = not next(recipes)
if no_recipes and not is_fuel then
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return false, colorize("[craftguide] ", "red") ..
S("No recipe for this node:") .. " " ..
colorize(node_name)
end
if is_fuel and no_recipes then
data.usages = get_item_usages(node_name)
if is_fuel then
data.usages[#data.usages + 1] = {
width = 1,
type = "normal",
items = {node_name},
output = "BURN",
}
end
if next(data.usages) then
data.show_usage = true
end
end
data.show_usage = data.show_usage
data.item = node_name
data.recipes_item = recipes
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return true, show_fs(player, name)
end,
})
end
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--[[ Custom recipes (>3x3) test code
mt.register_craftitem("craftguide:custom_recipe_test", {
description = "Custom Recipe Test",
})
local cr = {}
for x = 1, 6 do
cr[x] = {}
for i = 1, 10 - x do
cr[x][i] = {}
for j = 1, 10 - x do
cr[x][i][j] = "group:wood"
end
end
mt.register_craft({
output = "craftguide:custom_recipe_test",
recipe = cr[x]
})
end
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]]