From eee94658e7c7e7430f874618ad0df231b0f34122 Mon Sep 17 00:00:00 2001
From: cora <coradelamouche@gmx.ch>
Date: Mon, 13 Sep 2021 14:13:46 +0200
Subject: [PATCH] mcl_maps: send hud_flags only if actually changed

---
 mods/ITEMS/mcl_maps/init.lua | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/mods/ITEMS/mcl_maps/init.lua b/mods/ITEMS/mcl_maps/init.lua
index 893e7007..2f04796f 100644
--- a/mods/ITEMS/mcl_maps/init.lua
+++ b/mods/ITEMS/mcl_maps/init.lua
@@ -43,13 +43,19 @@ end
 -- Checks if player is still allowed to display the minimap
 local function update_minimap(player)
 	local creative = minetest.is_creative_enabled(player:get_player_name())
-	if creative then
-		player:hud_set_flags({minimap=true, minimap_radar = true})
-	else
-		if has_item_in_hotbar(player, "mcl_maps:filled_map") then
-			player:hud_set_flags({minimap = true, minimap_radar = false})
+	
+	local newstate=false
+	local oldstate=player:hud_get_flags().minimap
+
+	if creative or has_item_in_hotbar(player, "mcl_maps:filled_map") then
+		newstate=true
+	end
+	
+	if oldstate ~= newstate then
+		if creative then
+			player:hud_set_flags({minimap = true, minimap_radar = true})
 		else
-			player:hud_set_flags({minimap = false, minimap_radar = false})
+			player:hud_set_flags({minimap = newstate, minimap_radar = false})
 		end
 	end
 end