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N-Nachtigal
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445
mods/unified_inventory/api.lua
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445
mods/unified_inventory/api.lua
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local S = minetest.get_translator("unified_inventory")
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local F = minetest.formspec_escape
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local ui = unified_inventory
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local function is_recipe_craftable(recipe)
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-- Ensure the ingedients exist
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for _, itemname in pairs(recipe.items) do
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local groups = string.find(itemname, "group:")
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if groups then
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if not ui.get_group_item(string.sub(groups, 8)).item then
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return false
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end
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else
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-- Possibly an item
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local itemname_cleaned = ItemStack(itemname):get_name()
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if not minetest.registered_items[itemname_cleaned]
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or minetest.get_item_group(itemname_cleaned, "not_in_craft_guide") ~= 0 then
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return false
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end
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end
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end
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return true
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end
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-- Create detached creative inventory after loading all mods
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minetest.after(0.01, function()
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local rev_aliases = {}
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for original, newname in pairs(minetest.registered_aliases) do
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if not rev_aliases[newname] then
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rev_aliases[newname] = {}
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end
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table.insert(rev_aliases[newname], original)
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end
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-- Filtered item list
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ui.items_list = {}
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for name, def in pairs(minetest.registered_items) do
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if ui.is_itemdef_listable(def) then
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table.insert(ui.items_list, name)
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-- Alias processing: Find recipes that belong to the current item name
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local all_names = rev_aliases[name] or {}
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table.insert(all_names, name)
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for _, itemname in ipairs(all_names) do
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local recipes = minetest.get_all_craft_recipes(itemname)
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for _, recipe in ipairs(recipes or {}) do
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if is_recipe_craftable(recipe) then
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ui.register_craft(recipe)
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end
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end
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end
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end
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end
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table.sort(ui.items_list)
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ui.items_list_size = #ui.items_list
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print("Unified Inventory. Inventory size: "..ui.items_list_size)
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-- Analyse dropped items -> custom "digging" recipes
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for _, name in ipairs(ui.items_list) do
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local def = minetest.registered_items[name]
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-- Simple drops
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if type(def.drop) == "string" then
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local dstack = ItemStack(def.drop)
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if not dstack:is_empty() and dstack:get_name() ~= name then
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ui.register_craft({
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type = "digging",
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items = {name},
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output = def.drop,
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width = 0,
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})
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end
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-- Complex drops. Yes, it's really complex!
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elseif type(def.drop) == "table" then
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--[[ Extract single items from the table and save them into dedicated tables
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to register them later, in order to avoid duplicates. These tables counts
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the total number of guaranteed drops and drops by chance (“maybes”) for each item.
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For “maybes”, the final count is the theoretical maximum number of items, not
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neccessarily the actual drop count. ]]
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local drop_guaranteed = {}
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local drop_maybe = {}
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-- This is for catching an obscure corner case: If the top items table has
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-- only items with rarity = 1, but max_items is set, then only the first
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-- max_items will be part of the drop, any later entries are logically
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-- impossible, so this variable is for keeping track of this
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local max_items_left = def.drop.max_items
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-- For checking whether we still encountered only guaranteed only so far;
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-- for the first “maybe” item it will become false which will cause ALL
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-- later items to be considered “maybes”.
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-- A common idiom is:
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-- { max_items 1, { items = {
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-- { items={"example:1"}, rarity = 5 },
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-- { items={"example:2"}, rarity = 1 }, }}}
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-- example:2 must be considered a “maybe” because max_items is set and it
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-- appears after a “maybe”
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local max_start = true
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-- Let's iterate through the items madness!
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-- Handle invalid drop entries gracefully.
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local drop_items = def.drop.items or { }
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for i=1,#drop_items do
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if max_items_left ~= nil and max_items_left <= 0 then break end
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local itit = drop_items[i]
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for j=1,#itit.items do
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local dstack = ItemStack(itit.items[j])
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if not dstack:is_empty() and dstack:get_name() ~= name then
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local dname = dstack:get_name()
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local dcount = dstack:get_count()
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-- Guaranteed drops AND we are not yet in “maybe mode”
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if #itit.items == 1 and itit.rarity == 1 and max_start then
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if drop_guaranteed[dname] == nil then
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drop_guaranteed[dname] = 0
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end
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drop_guaranteed[dname] = drop_guaranteed[dname] + dcount
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if max_items_left ~= nil then
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max_items_left = max_items_left - 1
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if max_items_left <= 0 then break end
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end
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-- Drop was a “maybe”
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else
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if max_items_left ~= nil then max_start = false end
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if drop_maybe[dname] == nil then
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drop_maybe[dname] = 0
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end
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drop_maybe[dname] = drop_maybe[dname] + dcount
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end
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end
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end
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end
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for itemstring, count in pairs(drop_guaranteed) do
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ui.register_craft({
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type = "digging",
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items = {name},
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output = itemstring .. " " .. count,
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width = 0,
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})
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end
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for itemstring, count in pairs(drop_maybe) do
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ui.register_craft({
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type = "digging_chance",
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items = {name},
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output = itemstring .. " " .. count,
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width = 0,
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})
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end
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end
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end
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-- Step 1: Initialize cache for looking up groups
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unified_inventory.init_matching_cache()
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-- Step 2: Find all matching items for the given spec (groups)
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local get_matching_spec_items = unified_inventory.get_matching_items
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for outputitemname, recipes in pairs(ui.crafts_for.recipe) do
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-- List of crafts that return this item string (variable "_")
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-- Problem: The group cache must be initialized after all mods finished loading
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-- thus, invalid recipes might be indexed. Hence perform filtering with `new_recipe_list`
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local new_recipe_list = {}
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for _, recipe in ipairs(recipes) do
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local ingredient_items = {}
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for _, spec in pairs(recipe.items) do
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-- Get items that fit into this spec (group or item name)
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local specname = ItemStack(spec):get_name()
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for item_name, _ in pairs(get_matching_spec_items(specname)) do
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ingredient_items[item_name] = true
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end
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end
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for name, _ in pairs(ingredient_items) do
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if not ui.crafts_for.usage[name] then
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ui.crafts_for.usage[name] = {}
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end
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table.insert(ui.crafts_for.usage[name], recipe)
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end
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if next(ingredient_items) then
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-- There's at least one known ingredient: mark as good recipe
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-- PS: What whatll be done about partially incomplete recipes?
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table.insert(new_recipe_list, recipe)
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end
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end
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ui.crafts_for.recipe[outputitemname] = new_recipe_list
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end
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-- Remove unknown items from all categories
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local total_removed = 0
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for cat_name, cat_def in pairs(ui.registered_category_items) do
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for itemname, _ in pairs(cat_def) do
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local idef = minetest.registered_items[itemname]
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if not idef then
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total_removed = total_removed + 1
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--[[
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-- For analysis
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minetest.log("warning", "[unified_inventory] Removed item '"
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.. itemname .. "' from category '" .. cat_name
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.. "'. Reason: item not registered")
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]]
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cat_def[itemname] = nil
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elseif not ui.is_itemdef_listable(idef) then
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total_removed = total_removed + 1
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--[[
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-- For analysis
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minetest.log("warning", "[unified_inventory] Removed item '"
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.. itemname .. "' from category '" .. cat_name
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.. "'. Reason: item is in 'not_in_creative_inventory' group")
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]]
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cat_def[itemname] = nil
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end
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end
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end
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if total_removed > 0 then
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minetest.log("info", "[unified_inventory] Removed " .. total_removed ..
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" items from the categories.")
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end
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for _, callback in ipairs(ui.initialized_callbacks) do
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callback()
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end
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end)
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---------------- Home API ----------------
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local function load_home()
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local input = io.open(ui.home_filename, "r")
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if not input then
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ui.home_pos = {}
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return
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end
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while true do
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local x = input:read("*n")
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if not x then break end
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local y = input:read("*n")
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local z = input:read("*n")
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local name = input:read("*l")
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ui.home_pos[name:sub(2)] = {x = x, y = y, z = z}
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end
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io.close(input)
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end
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load_home()
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function ui.set_home(player, pos)
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local player_name = player:get_player_name()
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ui.home_pos[player_name] = vector.round(pos)
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-- save the home data from the table to the file
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local output = io.open(ui.home_filename, "w")
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if not output then
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minetest.log("warning", "[unified_inventory] Failed to save file: "
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.. ui.home_filename)
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return
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end
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for k, v in pairs(ui.home_pos) do
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output:write(v.x.." "..v.y.." "..v.z.." "..k.."\n")
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end
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io.close(output)
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end
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function ui.go_home(player)
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local pos = ui.home_pos[player:get_player_name()]
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if pos then
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player:set_pos(pos)
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return true
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end
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return false
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end
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---------------- Crafting API ----------------
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function ui.register_craft(options)
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if not options.output then
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return
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end
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local itemstack = ItemStack(options.output)
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if itemstack:is_empty() then
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return
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end
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if options.type == "normal" and options.width == 0 then
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options = { type = "shapeless", items = options.items, output = options.output, width = 0 }
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end
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local item_name = itemstack:get_name()
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if not ui.crafts_for.recipe[item_name] then
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ui.crafts_for.recipe[item_name] = {}
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end
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table.insert(ui.crafts_for.recipe[item_name],options)
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for _, callback in ipairs(ui.craft_registered_callbacks) do
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callback(item_name, options)
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end
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end
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local craft_type_defaults = {
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width = 3,
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height = 3,
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uses_crafting_grid = false,
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}
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function ui.craft_type_defaults(name, options)
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if not options.description then
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options.description = name
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end
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setmetatable(options, {__index = craft_type_defaults})
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return options
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end
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function ui.register_craft_type(name, options)
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ui.registered_craft_types[name] = ui.craft_type_defaults(name, options)
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end
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ui.register_craft_type("normal", {
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description = F(S("Crafting")),
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icon = "ui_craftgrid_icon.png",
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width = 3,
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height = 3,
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get_shaped_craft_width = function (craft) return craft.width end,
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dynamic_display_size = function (craft)
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local w = craft.width
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local h = math.ceil(table.maxn(craft.items) / craft.width)
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local g = w < h and h or w
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return { width = g, height = g }
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end,
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uses_crafting_grid = true,
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})
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ui.register_craft_type("shapeless", {
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description = F(S("Mixing")),
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icon = "ui_craftgrid_icon.png",
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width = 3,
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height = 3,
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dynamic_display_size = function (craft)
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local maxn = table.maxn(craft.items)
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local g = 1
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while g*g < maxn do g = g + 1 end
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return { width = g, height = g }
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end,
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uses_crafting_grid = true,
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})
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ui.register_craft_type("cooking", {
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description = F(S("Cooking")),
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icon = "default_furnace_front.png",
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width = 1,
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height = 1,
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})
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ui.register_craft_type("digging", {
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description = F(S("Digging")),
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icon = "default_tool_steelpick.png",
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width = 1,
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height = 1,
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})
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ui.register_craft_type("digging_chance", {
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description = "Digging (by chance)",
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icon = "default_tool_steelpick.png^[transformFY.png",
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width = 1,
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height = 1,
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})
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---------------- GUI registrations ----------------
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function ui.register_page(name, def)
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ui.pages[name] = def
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end
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function ui.register_button(name, def)
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if not def.action then
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def.action = function(player)
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ui.set_inventory_formspec(player, name)
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end
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end
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def.name = name
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table.insert(ui.buttons, def)
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end
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---------------- Callback registrations ----------------
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function ui.register_on_initialized(callback)
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if type(callback) ~= "function" then
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error(("Initialized callback must be a function, %s given."):format(type(callback)))
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end
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table.insert(ui.initialized_callbacks, callback)
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end
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function ui.register_on_craft_registered(callback)
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if type(callback) ~= "function" then
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error(("Craft registered callback must be a function, %s given."):format(type(callback)))
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end
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table.insert(ui.craft_registered_callbacks, callback)
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end
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---------------- List getters ----------------
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function ui.get_recipe_list(output)
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return ui.crafts_for.recipe[output]
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end
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function ui.get_registered_outputs()
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local outputs = {}
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for item_name, _ in pairs(ui.crafts_for.recipe) do
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table.insert(outputs, item_name)
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end
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return outputs
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end
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---------------- Player utilities ----------------
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function ui.is_creative(playername)
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return minetest.check_player_privs(playername, {creative=true})
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or minetest.settings:get_bool("creative_mode")
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end
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---------------- Formspec helpers ----------------
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function ui.single_slot(xpos, ypos, bright)
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return string.format("background9[%f,%f;%f,%f;ui_single_slot%s.png;false;16]",
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xpos, ypos, ui.imgscale, ui.imgscale, (bright and "_bright" or "") )
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end
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function ui.make_trash_slot(xpos, ypos)
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return
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ui.single_slot(xpos, ypos)..
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"image["..xpos..","..ypos..";1.25,1.25;ui_trash_slot_icon.png]"..
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"list[detached:trash;main;"..(xpos + ui.list_img_offset)..","..(ypos + ui.list_img_offset)..";1,1;]"
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end
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function ui.make_inv_img_grid(xpos, ypos, width, height, bright)
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local tiled = {}
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local n=1
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for y = 0, (height - 1) do
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for x = 0, (width -1) do
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tiled[n] = ui.single_slot(xpos + (ui.imgscale * x), ypos + (ui.imgscale * y), bright)
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n = n + 1
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end
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end
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return table.concat(tiled)
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end
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