minetest-mm/mods/unified_inventory/item_names.lua
2024-12-19 12:55:40 +01:00

88 lines
2.6 KiB
Lua

-- Based on 4itemnames mod by 4aiman
local item_names = {} -- [player_name] = { hud, dtime, itemname }
local dlimit = 3 -- HUD element will be hidden after this many seconds
local hudbars_mod = minetest.get_modpath("hudbars")
local only_names = minetest.settings:get_bool("unified_inventory_only_names", true)
local max_length = tonumber(minetest.settings:get("unified_inventory_max_item_name_length")) or 80
local function set_hud(player)
local player_name = player:get_player_name()
local off = {x=0, y=-65}
if hudbars_mod then
-- Assume no alignment (2 per line)
off.y = off.y - math.ceil(hb.hudbars_count / 2) * 25
else
off.y = off.y - 25
end
item_names[player_name] = {
hud = player:hud_add({
-- TODO: remove compatibility code when 5.8.0 is no longer used
[minetest.features.hud_def_type_field and "type" or "hud_elem_type"] = "text",
position = {x=0.5, y=1},
offset = off,
alignment = {x=0, y=-1},
number = 0xFFFFFF,
text = "",
}),
dtime = dlimit,
index = 1,
itemname = ""
}
end
minetest.register_on_joinplayer(function(player)
minetest.after(0, set_hud, player)
end)
minetest.register_on_leaveplayer(function(player)
item_names[player:get_player_name()] = nil
end)
minetest.register_globalstep(function(dtime)
for _, player in pairs(minetest.get_connected_players()) do
local data = item_names[player:get_player_name()]
if not data or not data.hud then
data = {} -- Update on next step
set_hud(player)
end
local index = player:get_wield_index()
local stack = player:get_wielded_item()
local itemname = stack:get_name()
if data.hud and data.dtime < dlimit then
data.dtime = data.dtime + dtime
if data.dtime > dlimit then
player:hud_change(data.hud, 'text', "")
end
end
if data.hud and (itemname ~= data.itemname or index ~= data.index) then
data.itemname = itemname
data.index = index
data.dtime = 0
local lang_code = minetest.get_player_information(player:get_player_name()).lang_code
local desc = stack.get_meta
and stack:get_meta():get_string("description")
if not desc or desc == "" then
-- Try to use default description when none is set in the meta
local def = minetest.registered_items[itemname]
desc = def and def.description or ""
end
if only_names and desc and string.find(desc, "\n") then
desc = string.match(desc, "([^\n]*)")
end
desc = minetest.get_translated_string(lang_code, desc)
desc = minetest.strip_colors(desc)
if string.len(desc) > max_length and max_length > 0 then
desc = string.sub(desc, 1, max_length) .. " [...]"
end
player:hud_change(data.hud, 'text', desc)
end
end
end)