craftguide/init.lua

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craftguide = {
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custom_crafts = {},
craft_types = {},
}
local mt = minetest
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local player_data = {}
local init_items = {}
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local recipes_cache = {}
local fuel_cache = {}
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local 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") and rawget(_G, "sfinv")
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local reg_items = mt.registered_items
local get_result = mt.get_craft_result
local show_formspec = mt.show_formspec
local serialize, deserialize = mt.serialize, mt.deserialize
-- Intllib
local S = dofile(mt.get_modpath("craftguide") .. "/intllib.lua")
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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 maxn, sort, concat = 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 fmt, pairs, next = string.format, pairs, next
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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 fmt_label = "label[%f,%f;%s]"
local fmt_image = "image[%f,%f;%f,%f;%s]"
local fmt_tooltip = "tooltip[%f,%f;%f,%f;%s]"
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",
}
local function table_merge(t, t2)
for i = 1, #t2 do
t[#t + 1] = t2[i]
end
return t
end
local function clean_items(items)
local hash, ct = {}, {}
for i = 1, #items do
local item = items[i]
if not hash[item] and reg_items[item] then
ct[#ct + 1] = item
hash[item] = true
end
end
return ct
end
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local function __func()
return debug.getinfo(2, "n").name
end
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function craftguide.register_craft_type(name, def)
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local func = "craftguide." .. __func() .. "(): "
assert(name, func .. "'name' field missing")
assert(def.description, func .. "'description' field missing")
assert(def.icon, func .. "'icon' field missing")
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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)
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local func = "craftguide." .. __func() .. "(): "
assert(def.type, func .. "'type' field missing")
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assert(def.width, func .. "'width' field missing")
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assert(def.output, func .. "'output' field missing")
assert(def.items, func .. "'items' field missing")
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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"},
})
local recipe_filters = {}
function craftguide.add_recipe_filter(name, func)
recipe_filters[name] = func
end
function craftguide.remove_recipe_filter(name)
recipe_filters[name] = nil
end
function craftguide.set_recipe_filter(name, func)
recipe_filters = {[name] = func}
end
function craftguide.get_recipe_filters()
return recipe_filters
end
local function apply_recipe_filters(recipes, player)
for _, filter in pairs(recipe_filters) do
recipes = filter(recipes, player)
end
return recipes
end
local function get_filtered_items(player)
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local items, c = {}, 0
for i = 1, #init_items do
local item = init_items[i]
local recipes = recipes_cache[item]
if recipes then
recipes = apply_recipe_filters(recipes, player)
if #recipes > 0 then
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c = c + 1
items[c] = item
end
end
end
return items
end
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local function cache_recipes(output)
local recipes = mt.get_all_craft_recipes(output) or {}
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local c = 0
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for i = 1, #craftguide.custom_crafts do
local custom_craft = craftguide.custom_crafts[i]
if custom_craft.output:match("%S*") == output then
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c = c + 1
recipes[c] = custom_craft
end
end
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if #recipes > 0 then
recipes_cache[output] = recipes
return true
end
end
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local function get_burntime(item)
return get_result({method = "fuel", width = 1, items = {item}}).time
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end
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local function cache_fuel(item)
local burntime = get_burntime(item)
if burntime > 0 then
fuel_cache[item] = burntime
return true
end
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end
local function extract_groups(str)
return str:sub(7):split(",")
end
local function item_has_groups(item_groups, groups)
for i = 1, #groups do
local group = groups[i]
if not item_groups[group] then
return
end
end
return true
end
local function groups_to_item(groups)
if #groups == 1 then
local group = groups[1]
if group_stereotypes[group] then
return group_stereotypes[group]
elseif reg_items["default:" .. group] then
return "default:" .. group
end
end
for name, def in pairs(reg_items) do
if item_has_groups(def.groups, groups) then
return name
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end
end
return ""
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end
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local function get_tooltip(item, groups, cooktime, burntime)
local tooltip
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if groups then
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local groupstr = {}
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for i = 1, #groups do
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groupstr[#groupstr + 1] = mt.colorize("yellow", groups[i])
end
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groupstr = concat(groupstr, ", ")
tooltip = S("Any item belonging to the group(s):") .. " " .. groupstr
else
tooltip = reg_items[item].description
end
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if cooktime then
tooltip = tooltip .. "\n" .. S("Cooking time:") .. " " ..
mt.colorize("yellow", cooktime)
end
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if burntime then
tooltip = tooltip .. "\n" .. S("Burning time:") .. " " ..
mt.colorize("yellow", burntime)
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end
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return "tooltip[" .. item .. ";" .. tooltip .. "]"
end
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local function get_recipe_fs(data, iY)
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local fs = {}
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local recipe = data.recipes[data.rnum]
local width = recipe.width
local xoffset = data.iX / 2.15
local cooktime, shapeless
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if recipe.type == "cooking" then
cooktime, width = width, 1
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elseif width == 0 then
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shapeless = true
width = min(3, #recipe.items)
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end
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local rows = ceil(maxn(recipe.items) / width)
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local rightest, btn_size, s_btn_size = 0, 1.1
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if width > GRID_LIMIT or rows > GRID_LIMIT then
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fs[#fs + 1] = fmt(fmt_label,
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(data.iX / 2) - 2,
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iY + 2.2,
S("Recipe is too big to be displayed (@1x@2)", width, rows))
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return concat(fs)
end
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for i, item in pairs(recipe.items) do
local X = ceil((i - 1) % width + xoffset - width) -
(sfinv_only and 0 or 0.2)
local Y = ceil(i / width + (iY + 2) - min(2, rows))
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if width > 3 or rows > 3 then
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btn_size = width > 3 and 3 / width or 3 / rows
s_btn_size = btn_size
X = btn_size * (i % width) + xoffset - 2.65
Y = btn_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
local groups
if item:sub(1,6) == "group:" then
groups = extract_groups(item)
item = groups_to_item(groups)
end
local label = groups and "\nG" or ""
fs[#fs + 1] = fmt("item_image_button[%f,%f;%f,%f;%s;%s;%s]",
X,
Y + (sfinv_only and 0.7 or 0.2),
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btn_size,
btn_size,
item,
item:match("%S*"),
label)
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local burntime = fuel_cache[item]
if groups or cooktime or burntime then
fs[#fs + 1] = get_tooltip(item, groups, cooktime, burntime)
end
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end
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local custom_recipe = craftguide.craft_types[recipe.type]
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if custom_recipe or shapeless or recipe.type == "cooking" then
local icon = custom_recipe and custom_recipe.icon or
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shapeless and "shapeless" or "furnace"
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if not custom_recipe then
icon = "craftguide_" .. icon .. ".png^[resize:16x16"
end
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fs[#fs + 1] = fmt(fmt_image,
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rightest + 1.2,
iY + (sfinv_only and 2.2 or 1.7),
0.5,
0.5,
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icon)
local tooltip = custom_recipe and custom_recipe.description or
shapeless and S("Shapeless") or S("Cooking")
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fs[#fs + 1] = fmt(fmt_tooltip,
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rightest + 1.2,
iY + (sfinv_only and 2.2 or 1.7),
0.5,
0.5,
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tooltip)
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end
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local arrow_X = rightest + (s_btn_size or 1.1)
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local output_X = arrow_X + 0.9
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fs[#fs + 1] = fmt(fmt_image,
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arrow_X,
iY + (sfinv_only and 2.85 or 2.35),
0.9,
0.7,
"craftguide_arrow.png")
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if recipe.type == "fuel" then
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fs[#fs + 1] = fmt(fmt_image,
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output_X,
iY + (sfinv_only and 2.68 or 2.18),
1.1,
1.1,
"craftguide_fire.png")
else
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local output_name = recipe.output:match("%S+")
local burntime = fuel_cache[output_name]
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fs[#fs + 1] = fmt("item_image_button[%f,%f;%f,%f;%s;%s;]",
output_X,
iY + (sfinv_only and 2.7 or 2.2),
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1.1,
1.1,
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recipe.output,
output_name)
if burntime then
fs[#fs + 1] = get_tooltip(output_name, nil, nil, burntime)
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fs[#fs + 1] = fmt(fmt_image,
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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] = fmt(fmt_image,
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output_X + 1.6,
iY + (sfinv_only and 2.68 or 2.18),
0.6,
0.6,
"craftguide_fire.png")
end
end
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fs[#fs + 1] = fmt("button[%f,%f;%f,%f;%s;%s %u %s %u]",
data.iX - (sfinv_only and 2.2 or 2.6),
iY + (sfinv_only and 3.9 or 3.3),
2.2,
1,
"alternate",
data.show_usages and S("Usage") or S("Recipe"),
data.rnum,
S("of"),
#data.recipes)
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return concat(fs)
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end
local function make_formspec(name)
local data = player_data[name]
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local iY = sfinv_only and 4 or 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 fs = {}
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if not sfinv_only then
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fs[#fs + 1] = fmt("size[%f,%f;]", data.iX - 0.35, iY + 4)
fs[#fs + 1] = [[
no_prepend[]
background[1,1;1,1;craftguide_bg.png;true]
]]
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fs[#fs + 1] = "tooltip[size_inc;" .. S("Increase window size") .. "]"
fs[#fs + 1] = "tooltip[size_dec;" .. S("Decrease window size") .. "]"
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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
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]
]]
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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") .. "]"
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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;]"
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fs[#fs + 1] = fmt(fmt_label,
data.iX - (sfinv_only and 1.7 or 2.2),
0.22,
mt.colorize("yellow", 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)) ..
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",0.12;0.8,0.8;craftguide_next_icon.png;next;]"
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fs[#fs + 1] = "field[0.3,0.32;2.5,1;filter;;" .. mt.formspec_escape(data.filter) .. "]"
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if #data.items == 0 then
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fs[#fs + 1] = fmt(fmt_label,
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(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
local item = data.items[i + 1]
if not item then
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break
end
local X = i % data.iX
local Y = (i % ipp - X) / data.iX + 1
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fs[#fs + 1] = fmt("item_image_button[%f,%f;%f,%f;%s;%s_inv;]",
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X - (sfinv_only and 0 or (X * 0.05)),
Y,
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1.1,
1.1,
item,
item)
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end
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if data.recipes and #data.recipes > 0 then
fs[#fs + 1] = get_recipe_fs(data, iY)
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end
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return concat(fs)
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end
local show_fs = function(player, name)
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if sfinv_only then
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sfinv.set_player_inventory_formspec(player)
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else
show_formspec(name, "craftguide", make_formspec(name))
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end
end
local function search(data)
local filter = data.filter
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if searches[filter] then
data.items = searches[filter]
return
end
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local filtered_list, c = {}, 0
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for i = 1, #data.items_raw do
local item = data.items_raw[i]
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local desc = reg_items[item].description:lower()
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if (item .. desc):find(filter, 1, true) then
c = c + 1
filtered_list[c] = item
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end
end
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if not next(recipe_filters) then
-- Cache the results only if searched 2 times
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if searches[filter] == nil then
searches[filter] = false
else
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searches[filter] = filtered_list
end
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end
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data.items = filtered_list
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end
local function item_in_recipe(item, recipe)
local item_groups = reg_items[item].groups
for _, recipe_item in pairs(recipe.items) do
if recipe_item == item then
return true
elseif recipe_item:sub(1,6) == "group:" then
local groups = extract_groups(recipe_item)
if item_has_groups(item_groups, groups) then
return true
end
end
end
end
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local function get_item_usages(item)
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local usages, c = {}, 0
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for _, recipes in pairs(recipes_cache) do
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for i = 1, #recipes do
local recipe = recipes[i]
if item_in_recipe(item, recipe) then
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c = c + 1
usages[c] = recipe
end
end
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end
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if fuel_cache[item] then
usages[#usages + 1] = {type = "fuel", width = 1, items = {item}}
end
return usages
end
local function get_inv_items(player)
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local inv = player:get_inventory()
local main, craft = inv:get_list("main"), inv:get_list("craft")
local stacks = table_merge(main, craft)
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local inv_items, c = {}, 0
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for i = 1, #stacks do
local stack = stacks[i]
if not stack:is_empty() then
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local name = stack:get_name()
if reg_items[name] then
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c = c + 1
inv_items[c] = name
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end
end
end
return inv_items
end
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local function item_in_inv(item, inv_items)
local inv_items_size = #inv_items
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if item:sub(1,6) == "group:" then
local groups = extract_groups(item)
for i = 1, inv_items_size do
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local item_groups = reg_items[inv_items[i]].groups
if item_has_groups(item_groups, groups) then
return true
end
end
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else
for i = 1, inv_items_size do
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if inv_items[i] == item then
return true
end
end
end
end
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local function init_data(name)
player_data[name] = {
filter = "",
pagenum = 1,
iX = sfinv_only and 8 or DEFAULT_SIZE,
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items = init_items,
items_raw = init_items,
}
end
local function reset_data(data)
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data.filter = ""
data.pagenum = 1
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data.rnum = 1
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data.query_item = nil
data.show_usages = nil
data.recipes = nil
data.items = data.items_raw
end
local function get_init_items()
local c = 0
for name, def in pairs(reg_items) do
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local is_fuel = cache_fuel(name)
if not (def.groups.not_in_craft_guide == 1 or
def.groups.not_in_creative_inventory == 1) and
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def.description and def.description ~= "" and
(cache_recipes(name) or is_fuel) then
c = c + 1
init_items[c] = name
end
end
sort(init_items)
end
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local function on_receive_fields(player, fields)
local name = player:get_player_name()
local data = player_data[name]
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if fields.clear then
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reset_data(data)
show_fs(player, name)
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elseif fields.alternate then
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if #data.recipes == 1 then
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return
end
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local num_next = data.rnum + 1
data.rnum = data.recipes[num_next] and num_next or 1
show_fs(player, name)
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elseif (fields.key_enter_field == "filter" or fields.search) and
fields.filter ~= "" then
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local fltr = fields.filter:lower()
if data.filter == fltr then
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return
end
data.filter = fltr
data.pagenum = 1
search(data)
show_fs(player, name)
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elseif fields.prev or fields.next then
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if data.pagemax == 1 then
return
end
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, 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
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data.iX = data.iX + (fields.size_inc and 1 or -1)
show_fs(player, name)
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else
local item
for field in pairs(fields) do
if field:find(":") then
item = field
break
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end
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end
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if not item then
return
elseif item:sub(-4) == "_inv" then
item = item:sub(1,-5)
end
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local is_fuel = fuel_cache[item]
local recipes = recipes_cache[item]
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if recipes then
recipes = apply_recipe_filters(recipes, player)
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end
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local no_recipes = not recipes or #recipes == 0
if no_recipes and not is_fuel then
return
end
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if item ~= data.query_item then
data.show_usages = nil
else
data.show_usages = not data.show_usages
end
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if is_fuel and no_recipes then
data.show_usages = true
end
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if data.show_usages then
recipes = apply_recipe_filters(get_item_usages(item), player)
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if #recipes == 0 then
return
end
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end
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data.query_item = item
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data.recipes = recipes
data.rnum = 1
show_fs(player, name)
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end
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end
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mt.register_on_mods_loaded(get_init_items)
mt.register_on_joinplayer(function(player)
local name = player:get_player_name()
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init_data(name)
end)
mt.register_on_leaveplayer(function(player)
local name = player:get_player_name()
player_data[name] = nil
end)
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if sfinv_only then
sfinv.register_page("craftguide:craftguide", {
title = "Craft Guide",
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get = function(self, player, context)
local name = player:get_player_name()
local formspec = make_formspec(name)
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return sfinv.make_formspec(player, context, formspec)
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end,
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on_enter = function(self, player, context)
if next(recipe_filters) then
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local name = player:get_player_name()
local data = player_data[name]
data.items_raw = get_filtered_items(player)
search(data)
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end
end,
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on_player_receive_fields = function(self, player, context, fields)
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on_receive_fields(player, fields)
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end,
})
else
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mt.register_on_player_receive_fields(function(player, formname, fields)
if formname == "craftguide" then
on_receive_fields(player, fields)
end
end)
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local function on_use(user)
local name = user:get_player_name()
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if next(recipe_filters) then
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local data = player_data[name]
data.items_raw = get_filtered_items(user)
search(data)
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end
show_formspec(name, "craftguide", make_formspec(name))
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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(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,
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groups = {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}
},
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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,
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on_rightclick = function(pos, node, user, itemstack)
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on_use(user)
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end
})
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mt.register_craft({
output = "craftguide:book",
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recipe = {
{"default:book"}
}
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})
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mt.register_craft({
type = "fuel",
recipe = "craftguide:book",
burntime = 3
})
mt.register_craft({
output = "craftguide:sign",
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recipe = {
{"default:sign_wall_wood"}
}
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})
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"),
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image = "craftguide_book.png",
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action = function(player)
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on_use(player)
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end,
})
end
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end
if progressive_mode then
local function recipe_in_inv(recipe, inv_items)
for _, item in pairs(recipe.items) do
if not item_in_inv(item, inv_items) then
return
end
end
return true
end
local function progressive_filter(recipes, player)
local name = player:get_player_name()
local discovered = player_data[name].inv_items
local inv_items = get_inv_items(player)
discovered = clean_items(table_merge(discovered, inv_items))
if #discovered == 0 then
return {}
end
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local filtered, c = {}, 0
for i = 1, #recipes do
local recipe = recipes[i]
if recipe_in_inv(recipe, discovered) then
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c = c + 1
filtered[c] = recipe
end
end
return filtered
end
craftguide.add_recipe_filter("Default progressive filter", progressive_filter)
mt.register_on_joinplayer(function(player)
local meta = player:get_meta()
local inv_items = deserialize(meta:get_string("inv_items")) or {}
local name = player:get_player_name()
player_data[name].inv_items = inv_items
end)
local function save_meta(player)
local meta = player:get_meta()
local name = player:get_player_name()
meta:set_string("inv_items", serialize(player_data[name].inv_items))
end
mt.register_on_leaveplayer(save_meta)
mt.register_on_shutdown(function()
local players = mt.get_connected_players()
for i = 1, #players do
save_meta(players[i])
end
end)
end
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mt.register_chatcommand("craft", {
description = S("Show recipe(s) of the pointed node"),
func = function(name)
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))
local node = mt.get_node(look_at)
if node.name ~= "air" then
node_name = node.name
break
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end
end
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if not node_name then
return false, mt.colorize("red", "[craftguide] ") ..
S("No node pointed")
end
local data = player_data[name]
reset_data(data)
local recipes = recipes_cache[node_name]
local is_fuel = fuel_cache[node_name]
if recipes then
recipes = apply_recipe_filters(recipes, player)
end
if not recipes or #recipes == 0 then
if is_fuel then
recipes = get_item_usages(node_name)
if #recipes > 0 then
data.show_usages = true
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end
else
return false, mt.colorize("red", "[craftguide] ") ..
S("No recipe for this node:") .. " " ..
mt.colorize("yellow", node_name)
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end
end
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data.query_item = node_name
data.recipes = recipes
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return true, show_fs(player, name)
end,
})
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--[[ Custom recipes (>3x3) test code
mt.register_craftitem(":secretstuff:custom_recipe_test", {
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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:sand"
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end
end
mt.register_craft({
output = "secretstuff:custom_recipe_test",
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recipe = cr[x]
})
end
]]