From c3cd4e85898b92e70f004c27076bfb0b4b2d3919 Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Wed, 27 May 2015 18:07:28 +0200
Subject: [PATCH] Update inventory icon each second

---
 init.lua | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/init.lua b/init.lua
index ebde6da..5c3d257 100644
--- a/init.lua
+++ b/init.lua
@@ -33,7 +33,7 @@ minetest.register_on_joinplayer(function(player)
 		offset = {x=-32,y=-32},
 		text = icon,
 	})
-	inventory_icon.hudids[name].icon = player:hud_add({
+	inventory_icon.hudids[name].text = player:hud_add({
 		hud_elem_type = "text",
 		position = {x=1,y=1},
 		scale = {x=1,y=1},
@@ -43,3 +43,29 @@ minetest.register_on_joinplayer(function(player)
 		text = string.format("%d/%d", occupied, size)
 	})
 end)
+
+minetest.register_on_leaveplayer(function(player)
+	inventory_icon.hudids[player:get_player_name()] = nil
+end)
+
+inventory_icon.timer = 0
+minetest.register_globalstep(function(dtime)
+	inventory_icon.timer = inventory_icon.timer + dtime
+	if inventory_icon.timer > 1 then
+		for playername,hudids in pairs(inventory_icon.hudids) do
+			local player = minetest.get_player_by_name(playername)
+			local occupied, size = inventory_icon.get_inventory_state(player)
+			local icon, color
+			if occupied >= size then
+				icon = "inventory_icon_backpack_full.png"
+				color = "0xFF0000"
+			else
+				icon = "inventory_icon_backpack_free.png"
+				color = "0xFFFFFF"
+			end
+			player:hud_change(hudids.icon, "text", icon)
+			player:hud_change(hudids.text, "text", string.format("%d/%d", occupied, size))
+			player:hud_change(hudids.text, "number", color)
+		end
+	end
+end)