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--Simple head-up display for current position, time and server lag.
-- Origin:
--ver 0.2.1 minetest_time
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-------Minetest Time--kazea's code tweaked by cg72 with help from crazyR--------
----------------Zeno` simplified some math and additional tweaks ---------------
--------------------------------------------------------------------------------
--settings
colour = 0xFFFFFF --text colour in hex format default is white
enable_star = true
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
local player_hud = {}
local function generatehud(player)
local name = player:get_player_name()
local hud = {}
hud.id = player:hud_add({
hud_elem_type = "text",
name = "poshud",
position = {x=0.80, y=0.95},
offset = {x=8, y=-8},
text = "Initializing...",
scale = {x=100,y=100},
alignment = {x=1,y=0},
number = colour, --0xFFFFFF,
})
player_hud[name] = hud
end
local function updatehud(player, text)
local name = player:get_player_name()
if not player_hud[name] then
generatehud(player)
end
local hud = player_hud[name]
if hud and text ~= hud.text then
player:hud_change(hud.id, "text", text)
hud.text = text
end
end
local function removehud(player)
local name = player:get_player_name()
if player_hud[name] then
player:hud_remove(player_hud[name].id)
end
end
minetest.register_on_joinplayer(function(player)
minetest.after(0,generatehud,player)
end)
minetest.register_on_leaveplayer(function(player)
minetest.after(1,removehud,player)
end)
-- time
-- from https://gitlab.com/Rochambeau/mthudclock/blob/master/init.lua
local function floormod ( x, y )
return (math.floor(x) % y);
end
local function get_time()
local secs = (60*60*24*minetest.get_timeofday());
local s = floormod(secs, 60);
local m = floormod(secs/60, 60);
local h = floormod(secs/3600, 60);
return ("%02d:%02d"):format(h, m);
end
-- rotating star
local star={"\\", "|", "/", "-"}
-- Lag counters
-- adaption weights for averages
local w_avg1, w_avg2 = 0.001, 0.001
local dec_max = 0.99995
local ow_avg1, ow_avg2 = 1-w_avg1, 1-w_avg2
local l_avg1, l_avg2, l_max = 0.1, 0.1, 0.1
local h_text = "Initializing..."
local h_int = 2
local h_tmr = 0
local starc = 0
minetest.register_globalstep(function (dtime)
-- make a lag sample
l_avg1 = w_avg1*dtime + ow_avg1*l_avg1
l_avg2 = w_avg2*l_avg1 + ow_avg2*l_avg2
l_max = math.max(l_max*dec_max, dtime)
-- update hud text when necessary
if h_tmr <= 0 then
-- Update hud text that is the same for all players
local s_lag = string.format("Lag: avg: %.2f (%.2f) max: %.2f", l_avg1, l_avg2, l_max)
local s_time = "Time: "..get_time()
local s_star = ""
if enable_star then
s_star = star[starc+1]
starc = (starc + 1) % 4
end
h_text = s_time .. " " .. s_star .. "\n" .. s_lag
h_tmr = h_int
else
h_tmr = h_tmr - dtime
end
for _,player in ipairs(minetest.get_connected_players()) do
local posi = player:get_pos()
local posistr = math.floor(posi.x+0.5).." "..math.floor(posi.y+0.5).." "..math.floor(posi.z+0.5)
updatehud(player, h_text.."\nPos: "..posistr)
end
end);
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