From b9ee29a9456a66c3670b2a1389878e0896395f58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lars=20M=C3=BCller?=
 <34514239+appgurueu@users.noreply.github.com>
Date: Tue, 8 Feb 2022 19:28:32 +0100
Subject: [PATCH] Send HUD flags only if changed

---
 src/server.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/server.cpp b/src/server.cpp
index df7083b68..76345686a 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -3271,9 +3271,12 @@ bool Server::hudSetFlags(RemotePlayer *player, u32 flags, u32 mask)
 	if (!player)
 		return false;
 
+	u32 new_hud_flags = (player->hud_flags & ~mask) | flags;
+	if (new_hud_flags == player->hud_flags) // no change
+		return true;
+	
 	SendHUDSetFlags(player->getPeerId(), flags, mask);
-	player->hud_flags &= ~mask;
-	player->hud_flags |= flags;
+	player->hud_flags = new_hud_flags;
 
 	PlayerSAO* playersao = player->getPlayerSAO();