HudKit: add exists()

mods/capturetheflag/ctf/hud.lua

@@ -15,6 +15,20 @@ function hudkit()
 			return true
 		end,
 
+		exists = function(self, player, id)
+			if not player then
+				return false
+			end
+
+			local name = player:get_player_name()
+			local elements = self.players[name]
+
+			if not elements or not elements[id] then
+				return false
+			end
+			return true
+		end,
+
 		change = function(self, player, id, stat, value)
 			if not player then
 				return false
@@ -55,12 +69,12 @@ function ctf.hud.update(player)
 		return
 	end
 
+	-- Team Identifier
 	local color = ctf.flag_colors[ctf.team(player_data.team).data.color]
 	if not color then
 		color = "0x000000"
 	end
-
+	if not ctf.hud:exists(player, "ctf:hud_team") then
-	if not ctf.hud:change(player, "ctf:hud_team", "text", player_data.team) then
 		return ctf.hud:add(player, "ctf:hud_team", {
 			hud_elem_type = "text",
 			position = {x = 1, y = 0},
@@ -70,23 +84,29 @@ function ctf.hud.update(player)
 			offset = {x=-100, y = 20}
 		})
 	else
+		ctf.hud:change(player, "ctf:hud_team", "text", player_data.team)
 		ctf.hud:change(player, "ctf:hud_team", "number", color)
 	end
 end
 
 local count = 0
+function ctf.hud.updateAll()
+	count = 0
+
+	if not ctf.setting_bool("hud") then
+		return
+	end
+
+	local players = minetest.get_connected_players()
+
+	for i = 1, #players do
+		ctf.hud.update(players[i])
+	end
+end
 minetest.register_globalstep(function(delta)
 	count = count + delta
 
 	if count > 10 then
-		if not ctf.setting_bool("hud") then
+		ctf.hud.updateAll()
-			return
-		end
-		count = 0
-		local players = minetest.get_connected_players()
-
-		for i = 1, #players do
-			ctf.hud.update(players[i])
-		end
 	end
 end)