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Item_names: Refactorize & use meta description

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SmallJoker 2017-05-07 19:54:13 +02:00 committed by Ekdohibs
parent 4010953888
commit 86c73a4752
1 changed files with 45 additions and 25 deletions
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70
item_names.lua
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@ -1,55 +1,75 @@
-- Based on 4itemnames mod by 4aiman
local wield = {}
local huds = {}
local dtimes = {}
local item_names = {} -- [player_name] = { hud, dtime, itemname }
local dlimit = 3 -- HUD element will be hidden after this many seconds
local air_hud_mod = minetest.get_modpath("4air")
local hud_mod = minetest.get_modpath("hud")
local hudbars_mod = minetest.get_modpath("hudbars")
local function set_hud(player)
local player_name = player:get_player_name()
local player_name = player:get_player_name()
local off = {x=0, y=-70}
if air_hud_mod or hud_mod then
off.y = off.y - 20
elseif hudbars_mod then
off.y = off.y + 13
end
huds[player_name] = player:hud_add({
hud_elem_type = "text",
position = {x=0.5, y=1},
offset = off,
alignment = {x=0, y=0},
number = 0xFFFFFF ,
text = "",
})
item_names[player_name] = {
hud = player:hud_add({
hud_elem_type = "text",
position = {x=0.5, y=1},
offset = off,
alignment = {x=0, y=0},
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 player_name = player:get_player_name()
local wstack = player:get_wielded_item():get_name()
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
if dtimes[player_name] and dtimes[player_name] < dlimit then
dtimes[player_name] = dtimes[player_name] + dtime
if dtimes[player_name] > dlimit and huds[player_name] then
player:hud_change(huds[player_name], 'text', "")
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 wstack ~= wield[player_name] then
wield[player_name] = wstack
dtimes[player_name] = 0
if huds[player_name] then
local def = minetest.registered_items[wstack]
local desc = def and def.description or ""
player:hud_change(huds[player_name], 'text', desc)
if data.hud and (itemname ~= data.itemname or index ~= data.index) then
data.itemname = itemname
data.index = index
data.dtime = 0
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
player:hud_change(data.hud, 'text', desc)
end
end
end)