unified_inventory/bags.lua

300 lines
8.9 KiB
Lua

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