separated from webmail mod

hud.lua

@@ -0,0 +1,59 @@
+
+local huddata = {}
+
+minetest.register_on_joinplayer(function(player)
+	local name = player:get_player_name()
+	local data = {}
+
+	data.imageid = player:hud_add({
+		hud_elem_type = "image",
+		name = "MailIcon",
+		position = {x=0.52, y=0.52},
+		text="",
+		scale = {x=1,y=1},
+		alignment = {x=0.5, y=0.5},
+	})
+
+	data.textid = player:hud_add({
+		hud_elem_type = "text",
+		name = "MailText",
+		position = {x=0.55, y=0.52},
+		text= "",
+		scale = {x=1,y=1},
+		alignment = {x=0.5, y=0.5},
+	})
+
+
+	huddata[name] = data
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	local name = player:get_player_name()
+	huddata[name] = nil
+end)
+
+
+mail.hud_update = function(playername, messages)
+	local data = huddata[playername]
+	local player = minetest.get_player_by_name(playername)
+
+	if not data or not player then
+		return
+	end
+
+	local unreadcount = 0
+	for _, message in ipairs(messages) do
+		if message.unread then
+			unreadcount = unreadcount + 1
+		end
+	end
+
+	if unreadcount == 0 then
+		player:hud_change(data.imageid, "text", "")
+		player:hud_change(data.textid, "text", "")
+	else
+		player:hud_change(data.imageid, "text", "email_mail.png")
+		player:hud_change(data.textid, "text", unreadcount .. " /mail")
+	end
+
+end