refactor mcl_title to be more efficient

mods/HUD/mcl_title/init.lua

@@ -8,8 +8,17 @@
 --TODO: allow colorizing and styling of part of the text (NEEDS ENGINE CHANGE!!!)
 --TODO: exactly mc like layout
 
+--Note that the table storing timeouts use playername as index insteed of player objects (faster)
+--This is intended in order to speedup the process of removing HUD elements the the timeout is up
+
 local huds_idx = {}
 
+local hud_hide_timeouts = {}
+
+hud_hide_timeouts.title = {}
+hud_hide_timeouts.subtitle = {}
+hud_hide_timeouts.actionbar = {}
+
 huds_idx.title = {}
 huds_idx.subtitle = {}
 huds_idx.actionbar = {}
@@ -19,10 +28,13 @@ mcl_title.defaults = {fadein = 10, stay = 70, fadeout = 20}
 mcl_title.layout = {}
 mcl_title.layout.title = {position = {x = 0.5, y = 0.5}, alignment = {x = 0, y = -1.3}, size = 7}
 mcl_title.layout.subtitle = {position = {x = 0.5, y = 0.5}, alignment = {x = 0, y = 1.7}, size = 4}
-mcl_title.layout.actionbar = {position = {x = 0.5, y = 1}, alignment = {x = 0, y = -11}, size = 2}
+mcl_title.layout.actionbar = {position = {x = 0.5, y = 1}, alignment = {x = 0, y = 0}, size = 1}
 
 local get_color = mcl_util.get_color
 
+local string = string
+local pairs = pairs
+
 local function gametick_to_secondes(gametick)
 	return gametick / 20
 end
@@ -32,15 +44,64 @@ end
 local player_params = {}
 
 minetest.register_on_joinplayer(function(player)
-	player_params[player] = {
+	local playername = player:get_player_name()
+	player_params[playername] = {
 		stay = gametick_to_secondes(mcl_title.defaults.stay),
 		--fadeIn = gametick_to_secondes(mcl_title.defaults.fadein),
 		--fadeOut = gametick_to_secondes(mcl_title.defaults.fadeout),
 	}
+	local _, hex_color = get_color("white") 
+	huds_idx.title[player] = player:hud_add({
+		hud_elem_type = "text",
+		position  = mcl_title.layout.title.position,
+		alignment = mcl_title.layout.title.alignment,
+		text      = "",
+		--bold    = data.bold,
+		--italic  = data.italic,
+		size      = {x = mcl_title.layout.title.size},
+		number    = hex_color,
+		z_index   = 100,
+	})
+	huds_idx.subtitle[player] = player:hud_add({
+		hud_elem_type = "text",
+		position  = mcl_title.layout.subtitle.position,
+		alignment = mcl_title.layout.subtitle.alignment,
+		text      = "",
+		--bold    = data.bold,
+		--italic  = data.italic,
+		size      = {x = mcl_title.layout.subtitle.size},
+		number    = hex_color,
+		z_index   = 100,
+	})
+	huds_idx.actionbar[player] = player:hud_add({
+		hud_elem_type = "text",
+		position  = mcl_title.layout.actionbar.position,
+		offset    = {x = 0, y = -210},
+		alignment = mcl_title.layout.actionbar.alignment,
+		--bold    = data.bold,
+		--italic  = data.italic,
+		text      = "",
+		size      = {x = mcl_title.layout.actionbar.size},
+		number    = hex_color,
+		z_index   = 100,
+	})
 end)
 
 minetest.register_on_leaveplayer(function(player)
-	player_params = nil
+	local playername = player:get_player_name()
+
+	--remove player params from the list
+	player_params[player] = nil
+
+	--remove HUD idx from the list (HUD elements are removed by the engine)
+	huds_idx.title[player] = nil
+	huds_idx.subtitle[player] = nil
+	huds_idx.actionbar[player] = nil
+
+	--remove timers form list
+	hud_hide_timeouts.title[playername] = nil
+	hud_hide_timeouts.subtitle[playername] = nil
+	hud_hide_timeouts.actionbar[playername] = nil
 end)
 
 function mcl_title.params_set(player, data)
@@ -66,43 +127,22 @@ function mcl_title.set(player, type, data)
 		return false
 	end
 
-	if huds_idx[type][player] then
-		player:hud_remove(huds_idx[type][player])
-	end
-
 	--TODO: enable this code then Fleckenstein's pr get merged (in about 5-6 years)
 
 	--if data.bold == nil then data.bold = false end
 	--if data.italic == nil then data.italic = false end
 
-	local stay = mcl_title.params_get(player).stay
+	player:hud_change(huds_idx[type][player], "text", data.text)
+	player:hud_change(huds_idx[type][player], "number", hex_color)
 
-	huds_idx[type][player] = player:hud_add({
-		hud_elem_type = "text",
-		position  = mcl_title.layout[type].position,
-		alignment = mcl_title.layout[type].alignment,
-		text      = data.text,
-		--bold = data.bold,
-		--italic = data.italic,
-		size      = {x = mcl_title.layout[type].size},
-		number    = hex_color,
-		z_index   = 1100,
-	})
-
-	minetest.after(stay, function()
-		if huds_idx[type][player] then
-			player:hud_remove(huds_idx[type][player])
-		end
-		huds_idx[type][player] = nil
-	end)
+	hud_hide_timeouts[type][player:get_player_name()] = data.stay or mcl_title.params_get(player).stay
 	return true
 end
 
 function mcl_title.remove(player, type)
-	if huds_idx[type][player] then
-		player:hud_remove(huds_idx[type][player])
+	if player then
+		player:hud_change(huds_idx[type][player], "text", "")
 	end
-	huds_idx[type][player] = nil
 end
 
 function mcl_title.clear(player)
@@ -115,6 +155,26 @@ minetest.register_on_dieplayer(function(player)
 	mcl_title.clear(player)
 end)
 
+minetest.register_globalstep(function(dtime)
+	local new_timeouts = {
+		title = {},
+		subtitle = {},
+		actionbar = {},
+	}
+	for element, content in pairs(hud_hide_timeouts) do
+		for name, timeout in pairs(content) do
+			timeout = timeout - dtime
+			if timeout <= 0 then
+				local player = minetest.get_player_by_name(name)
+				mcl_title.remove(player, element)
+			else
+				new_timeouts[element][name] = timeout
+			end
+		end
+	end
+	hud_hide_timeouts = new_timeouts
+end)
+
 
 --TEMP STUFF!!
 --TODO: remove then testing/tweaking done