77 lines
2.0 KiB
Lua
77 lines
2.0 KiB
Lua
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-- Based on 4itemnames mod by 4aiman
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local item_names = {} -- [player_name] = { hud, dtime, itemname }
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local dlimit = 3 -- HUD element will be hidden after this many seconds
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local air_hud_mod = minetest.get_modpath("4air")
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local hud_mod = minetest.get_modpath("hud")
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local hudbars_mod = minetest.get_modpath("hudbars")
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local function set_hud(player)
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local player_name = player:get_player_name()
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local off = {x=0, y=-70}
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if air_hud_mod or hud_mod then
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off.y = off.y - 20
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elseif hudbars_mod then
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off.y = off.y + 13
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end
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item_names[player_name] = {
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hud = player:hud_add({
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hud_elem_type = "text",
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position = {x=0.5, y=1},
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offset = off,
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alignment = {x=0, y=0},
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number = 0xFFFFFF,
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text = "",
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}),
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dtime = dlimit,
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index = 1,
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itemname = ""
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}
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end
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minetest.register_on_joinplayer(function(player)
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minetest.after(0, set_hud, player)
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end)
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minetest.register_on_leaveplayer(function(player)
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item_names[player:get_player_name()] = nil
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end)
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minetest.register_globalstep(function(dtime)
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for _, player in pairs(minetest.get_connected_players()) do
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local data = item_names[player:get_player_name()]
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if not data or not data.hud then
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data = {} -- Update on next step
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set_hud(player)
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end
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local index = player:get_wield_index()
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local stack = player:get_wielded_item()
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local itemname = stack:get_name()
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if data.hud and data.dtime < dlimit then
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data.dtime = data.dtime + dtime
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if data.dtime > dlimit then
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player:hud_change(data.hud, 'text', "")
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end
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end
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if data.hud and (itemname ~= data.itemname or index ~= data.index) then
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data.itemname = itemname
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data.index = index
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data.dtime = 0
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local desc = stack.get_meta
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and stack:get_meta():get_string("description")
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if not desc or desc == "" then
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-- Try to use default description when none is set in the meta
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local def = minetest.registered_items[itemname]
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desc = def and def.description or ""
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end
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player:hud_change(data.hud, 'text', desc)
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end
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end
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end)
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