91 lines
2.0 KiB
Lua

-- LUALOCALS < ---------------------------------------------------------
local minetest, nodecore, pairs
= minetest, nodecore, pairs
-- LUALOCALS > ---------------------------------------------------------
local tips = {}
local function show(player, text, ttl)
ttl = ttl or 2
local pname = player:get_player_name()
local tip = tips[pname]
if tip then
if text ~= tip.text then
player:hud_change(tip.id, "text", text)
tip.text = text
end
tip.ttl = ttl
return
end
tips[pname] = {
id = player:hud_add({
hud_elem_type = "text",
position = {x = 0.5, y = 0.75},
text = text,
number = 0xFFFFFF,
alignment = {x = 0, y = 0},
offset = { x = 0, y = 0},
}),
text = text,
ttl = ttl
}
end
nodecore.show_touchtip = show
local wields = {}
local function stack_desc(s)
if s:is_empty() then return "" end
local t = s:get_meta():get_string("description")
if t and t ~= "" then return t end
local n = s:get_name()
local d = minetest.registered_items[n]
return d and d.description or n
end
local function wield_name(player)
return stack_desc( player:get_wielded_item())
end
minetest.register_globalstep(function(dtime)
for _, player in pairs(minetest.get_connected_players()) do
local pname = player:get_player_name()
local wn = wield_name(player)
if wn ~= wields[pname] then
wields[pname] = wn
show(player, wn)
end
local tip = tips[pname]
if tip then
tip.ttl = tip.ttl - dtime
if tip.ttl <= 0 then
player:hud_remove(tip.id)
tips[pname] = nil
end
end
end
end)
minetest.register_on_punchnode(function(pos, node, puncher)
node = node or minetest.get_node(pos)
local name = node.name
local def = minetest.registered_items[name]
if def and def.groups and def.groups.is_stack_only then
name = stack_desc(nodecore.stack_get(pos))
elseif def and def.description then
name = def.description
end
show(puncher, name)
end)
minetest.register_on_joinplayer(function(player)
local pname = player:get_player_name()
tips[pname] = nil
wields[pname] = nil
end)