136 lines
3.7 KiB
Lua
136 lines
3.7 KiB
Lua
-- Based on 4itemnames mod by 4aiman
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local wield = {}
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local wieldindex = {}
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local huds = {}
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local dtimes = {}
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local dlimit = 3 -- HUD element will be hidden after this many seconds
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local hudbars_mod = minetest.get_modpath("hudbars")
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local function set_hud(player)
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if not player:is_player() then return end
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local player_name = player:get_player_name()
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-- Fixed offset in config file
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local fixed = tonumber(minetest.settings:get("show_wielded_item_y_offset"))
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local off
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if fixed and fixed ~= -1 then
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-- Manual offset
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off = {x=0, y=-fixed}
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else
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-- Default offset
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off = {x=0, y=-101}
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if hudbars_mod then
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-- Tweak offset if hudbars mod was found
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local rows = math.floor((#hb.get_hudbar_identifiers()-1) / 2) + 1
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local vmargin = tonumber(minetest.settings:get("hudbars_vmargin")) or 24
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off.y = -76 - vmargin*rows
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end
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-- Dirty trick to avoid collision with Minetest's status text (e.g. “Volume changed to 0%”)
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if off.y >= -167 and off.y <= -156 then
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off.y = -181
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end
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end
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huds[player_name] = 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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z_index = 100,
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})
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end
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minetest.register_on_joinplayer(function(player)
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set_hud(player)
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local name = player:get_player_name()
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wield[name] = player:get_wielded_item():get_name()
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wieldindex[name] = player:get_wield_index()
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end)
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minetest.register_on_leaveplayer(function(player)
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local name = player:get_player_name()
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wield[name] = nil
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wieldindex[name] = nil
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end)
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local function get_first_line(text)
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-- Cut off text after first newline
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local firstnewline = string.find(text, "\n")
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if firstnewline then
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text = string.sub(text, 1, firstnewline-1)
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end
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return text
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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 player_name = player:get_player_name()
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local wstack = player:get_wielded_item()
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local wname = wstack:get_name()
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local windex = player:get_wield_index()
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if dtimes[player_name] and dtimes[player_name] < dlimit then
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dtimes[player_name] = dtimes[player_name] + dtime
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if dtimes[player_name] > dlimit and huds[player_name] then
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player:hud_change(huds[player_name], 'text', "")
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end
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end
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-- Update HUD when wielded item or wielded index changed
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if wname ~= wield[player_name] or windex ~= wieldindex[player_name] then
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wieldindex[player_name] = windex
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wield[player_name] = wname
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dtimes[player_name] = 0
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if huds[player_name] then
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-- Get description (various fallback checks for old Minetest versions)
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local def = minetest.registered_items[wname]
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local desc
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if wstack.get_short_description then
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-- get_short_description()
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desc = wstack:get_short_description()
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end
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if (not desc or desc == "") and wstack.get_description then
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-- get_description()
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desc = wstack:get_description()
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desc = get_first_line(desc)
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end
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if (not desc or desc == "") and not wstack.get_description then
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-- Metadata (old versions only)
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local meta = wstack:get_meta()
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desc = meta:get_string("description")
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desc = get_first_line(desc)
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end
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if not desc or desc == "" then
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-- Item definition
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desc = def.description
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desc = get_first_line(desc)
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end
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if not desc or desc == "" then
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-- Final fallback: itemstring
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desc = wname
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end
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-- Print description
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if desc then
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-- Optionally append the 'technical' itemname
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local tech = minetest.settings:get_bool("show_wielded_item_itemname", false)
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if tech and desc ~= "" then
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desc = desc .. " ["..wname.."]"
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end
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player:hud_change(huds[player_name], 'text', desc)
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end
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end
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end
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end
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end)
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