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299
mods/unified_inventory/bags.lua
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299
mods/unified_inventory/bags.lua
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--[[
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Bags for Minetest
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Copyright (c) 2012 cornernote, Brett O'Donnell <cornernote@gmail.com>
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License: GPLv3
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--]]
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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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ui.register_page("bags", {
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get_formspec = function(player, perplayer_formspec)
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local player_name = player:get_player_name()
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local std_inv_x = perplayer_formspec.std_inv_x
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local formspec = {
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perplayer_formspec.standard_inv_bg,
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"label[", perplayer_formspec.form_header_x, ",",
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perplayer_formspec.form_header_y, ";", F(S("Bags")), "]",
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"listcolors[#00000000;#00000000]",
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}
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for i = 1, 4 do
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local x = std_inv_x + i * 2.5
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formspec[#formspec + 1] = ui.single_slot(x - 1.875, 1.5)
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formspec[#formspec + 1] = string.format("list[detached:%s_bags;bag%i;%.3f,1.65;1,1;]",
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F(player_name), i, x - 1.725)
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formspec[#formspec + 1] = string.format("button[%.4f,2.75;1.875,0.75;bag%i;%s]",
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x - 2.1875, i, F(S("Bag @1", i)))
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end
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return { formspec = table.concat(formspec) }
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end,
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})
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ui.register_button("bags", {
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type = "image",
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image = "ui_bags_icon.png",
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tooltip = S("Bags"),
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})
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local function get_player_bag_stack(player, i)
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return minetest.get_inventory({
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type = "detached",
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name = player:get_player_name() .. "_bags"
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}):get_stack("bag" .. i, 1)
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end
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for bag_i = 1, 4 do
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ui.register_page("bag" .. bag_i, {
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get_formspec = function(player, perplayer_formspec)
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local stack = get_player_bag_stack(player, bag_i)
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local image = stack:get_definition().inventory_image
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local slots = stack:get_definition().groups.bagslots
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local std_inv_x = perplayer_formspec.std_inv_x
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local lite_mode = perplayer_formspec.is_lite_mode
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local bag_inv_y, header_x, header_y = 1.5, 0.3, 0.65
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if lite_mode then
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bag_inv_y = 0.5
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header_x = perplayer_formspec.form_header_x
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header_y = perplayer_formspec.form_header_y
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end
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local formspec = {
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perplayer_formspec.standard_inv_bg,
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ui.make_inv_img_grid(std_inv_x, bag_inv_y, 8, slots/8),
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"label[", header_x, ",", header_y, ";", F(S("Bag @1", bag_i)), "]",
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"listcolors[#00000000;#00000000]",
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"listring[current_player;main]",
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string.format("list[current_player;bag%icontents;%f,%f;8,3;]",
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bag_i, std_inv_x + ui.list_img_offset, bag_inv_y + ui.list_img_offset),
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"listring[current_name;bag", bag_i, "contents]",
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}
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if lite_mode then
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return { formspec = table.concat(formspec) }
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end
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local n = #formspec + 1
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formspec[n] = "image[" .. std_inv_x + 8.9 .. ",0.4;1,1;" .. image .. "]"
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n = n + 1
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local player_name = player:get_player_name() -- For if statement.
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if ui.trash_enabled
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or ui.is_creative(player_name)
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or minetest.get_player_privs(player_name).give then
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formspec[n] = ui.make_trash_slot(7.8, 0.25)
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n = n + 1
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end
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local inv = player:get_inventory()
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for i = 1, 4 do
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local def = get_player_bag_stack(player, i):get_definition()
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if def.groups.bagslots then
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local list_name = "bag" .. i .. "contents"
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local size = inv:get_size(list_name)
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local used = 0
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for si = 1, size do
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local stk = inv:get_stack(list_name, si)
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if not stk:is_empty() then
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used = used + 1
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end
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end
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local img = def.inventory_image
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local label = F(S("Bag @1", i)) .. "\n" .. used .. "/" .. size
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formspec[n] = string.format("image_button[%f,0.4;1,1;%s;bag%i;%s]",
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(i + 1.35)*1.25, img, i, label)
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n = n + 1
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end
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end
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return { formspec = table.concat(formspec) }
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end,
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})
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end
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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if formname ~= "" then
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return
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end
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for i = 1, 4 do
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if fields["bag" .. i] then
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local stack = get_player_bag_stack(player, i)
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if not stack:get_definition().groups.bagslots then
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return
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end
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ui.set_inventory_formspec(player, "bag" .. i)
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return
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end
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end
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end)
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-- Player slots are preserved when unified_inventory is disabled. Do not allow modification.
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-- Fix: use a detached inventory and store the data separately.
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local function save_bags_metadata(player, bags_inv)
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local is_empty = true
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local bags = {}
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for i = 1, 4 do
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local bag = "bag" .. i
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if not bags_inv:is_empty(bag) then
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-- Stack limit is 1, otherwise use stack:to_string()
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bags[i] = bags_inv:get_stack(bag, 1):get_name()
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is_empty = false
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end
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end
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local meta = player:get_meta()
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if is_empty then
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meta:set_string("unified_inventory:bags", "")
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else
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meta:set_string("unified_inventory:bags",
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minetest.serialize(bags))
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end
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end
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local function load_bags_metadata(player, bags_inv)
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local player_inv = player:get_inventory()
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local meta = player:get_meta()
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local bags_meta = meta:get("unified_inventory:bags")
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local bags = bags_meta and minetest.deserialize(bags_meta) or {}
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local dirty_meta = false
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if not bags_meta then
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-- Backwards compatiblity
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for i = 1, 4 do
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local bag = "bag" .. i
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if not player_inv:is_empty(bag) then
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-- Stack limit is 1, otherwise use stack:to_string()
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bags[i] = player_inv:get_stack(bag, 1):get_name()
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dirty_meta = true
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end
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end
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end
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-- Fill detached slots
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for i = 1, 4 do
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local bag = "bag" .. i
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bags_inv:set_size(bag, 1)
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bags_inv:set_stack(bag, 1, bags[i] or "")
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end
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if dirty_meta then
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-- Requires detached inventory to be set up
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save_bags_metadata(player, bags_inv)
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end
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-- Legacy: Clean up old player lists
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for i = 1, 4 do
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local bag = "bag" .. i
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player_inv:set_size(bag, 0)
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end
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end
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minetest.register_on_joinplayer(function(player)
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local player_name = player:get_player_name()
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local bags_inv = minetest.create_detached_inventory(player_name .. "_bags", {
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allow_put = function(inv, listname, index, stack, player)
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local new_slots = stack:get_definition().groups.bagslots
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if not new_slots then
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return 0 -- ItemStack is not a bag.
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end
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-- The execution order of `allow_put`/`allow_take` is not defined.
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-- We do not know the replacement ItemStack if the items are swapped.
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-- Hence, bag slot upgrades and downgrades are not possible with the
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-- current API.
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if not player:get_inventory():is_empty(listname .. "contents") then
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-- Legacy: in case `allow_take` is not executed on old Minetest versions.
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return 0
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end
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return 1
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end,
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on_put = function(inv, listname, index, stack, player)
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player:get_inventory():set_size(listname .. "contents",
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stack:get_definition().groups.bagslots)
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save_bags_metadata(player, inv)
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end,
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allow_take = function(inv, listname, index, stack, player)
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if player:get_inventory():is_empty(listname .. "contents") then
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return stack:get_count()
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end
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return 0
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end,
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on_take = function(inv, listname, index, stack, player)
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player:get_inventory():set_size(listname .. "contents", 0)
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save_bags_metadata(player, inv)
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if listname == ui.current_page[player:get_player_name()] then
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-- Bag is currently open: avoid follow-up issues by navigating back
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-- Trick: the list name is the same as the registered page name
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ui.set_inventory_formspec(player, "bags")
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end
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end,
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allow_move = function()
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return 0
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end,
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}, player_name)
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load_bags_metadata(player, bags_inv)
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end)
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minetest.register_allow_player_inventory_action(function(player, action, inventory, info)
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-- From detached inventory -> player inventory: put & take callbacks
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if action ~= "put" or not info.listname:find("bag%dcontents") then
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return
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end
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if info.stack:get_definition().groups.bagslots then
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-- Problem 1: empty bags could be moved into their own slots
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-- Problem 2: cannot reliably keep track of ItemStack ownership due to
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--> Disallow all external bag movements into this list
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return 0
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end
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end)
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-- register bag tools
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minetest.register_tool("unified_inventory:bag_small", {
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description = S("Small Bag"),
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inventory_image = "bags_small.png",
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groups = {bagslots=8},
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})
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minetest.register_tool("unified_inventory:bag_medium", {
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description = S("Medium Bag"),
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inventory_image = "bags_medium.png",
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groups = {bagslots=16},
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})
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minetest.register_tool("unified_inventory:bag_large", {
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description = S("Large Bag"),
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inventory_image = "bags_large.png",
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groups = {bagslots=24},
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})
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-- register bag crafts
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if minetest.get_modpath("farming") ~= nil then
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minetest.register_craft({
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output = "unified_inventory:bag_small",
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recipe = {
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{"", "farming:string", ""},
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{"group:wool", "group:wool", "group:wool"},
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{"group:wool", "group:wool", "group:wool"},
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},
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})
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minetest.register_craft({
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output = "unified_inventory:bag_medium",
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recipe = {
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{"", "", ""},
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{"farming:string", "unified_inventory:bag_small", "farming:string"},
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{"farming:string", "unified_inventory:bag_small", "farming:string"},
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},
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})
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minetest.register_craft({
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output = "unified_inventory:bag_large",
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recipe = {
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{"", "", ""},
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{"farming:string", "unified_inventory:bag_medium", "farming:string"},
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{"farming:string", "unified_inventory:bag_medium", "farming:string"},
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},
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})
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end
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