From f65c83ee0dd7579916d89fdb9636a08254cf2916 Mon Sep 17 00:00:00 2001
From: IntegratedQuantum <jahe788@gmail.com>
Date: Sun, 8 Dec 2024 11:32:59 +0100
Subject: [PATCH] Don't send empty entity update packets every server tick.

---
 src/server/server.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/server/server.zig b/src/server/server.zig
index 32f72f5c..bc18d443 100644
--- a/src/server/server.zig
+++ b/src/server/server.zig
@@ -273,6 +273,10 @@ fn sendEntityUpdates(comptime getInitialList: bool, allocator: utils.NeverFailin
 		updateList.array.append(.null);
 		updateList.array.appendSlice(world.?.itemDropManager.lastUpdates.array.items);
 	}
+	if(!getInitialList and updateList.array.items.len == 0) {
+		world.?.itemDropManager.mutex.unlock();
+		return;
+	}
 	const updateData = updateList.toStringEfficient(main.stackAllocator, &.{});
 	defer main.stackAllocator.free(updateData);
 	if(world.?.itemDropManager.lastUpdates.array.items.len != 0) {