From 8a99407736dfc4b1eb835c972dbf876d6416839d Mon Sep 17 00:00:00 2001
From: orwell96 <orwell@bleipb.de>
Date: Mon, 5 Nov 2018 23:02:39 +0100
Subject: Initial commit

---
 init.lua | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 init.lua

(limited to 'init.lua')

diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..b22e16a
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,110 @@
+--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
+
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+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
+
+
+-- 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
+
+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()
+		h_text = s_time .. "\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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