From 6c4fb417c5b52d5d43a1d965c451cbc795956a0a Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sat, 10 Aug 2024 00:08:44 +0300
Subject: [PATCH] optimize Chunks::save

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

diff --git a/src/voxels/Chunks.cpp b/src/voxels/Chunks.cpp
index 2ab7e08e..2725cc9b 100644
--- a/src/voxels/Chunks.cpp
+++ b/src/voxels/Chunks.cpp
@@ -743,13 +743,16 @@ void Chunks::save(Chunk* chunk) {
             )
         );
         auto entities = level->entities->getAllInside(aabb);
-        auto root = dynamic::create_map();
+        dynamic::Map_sptr root = nullptr;
         if (!entities.empty()) {
+            root = dynamic::create_map();
             root->put("data", level->entities->serialize(entities));
             level->entities->despawn(std::move(entities));
             chunk->flags.entities = true;
         }
-        worldFiles->getRegions().put(chunk, json::to_binary(root, true));
+        worldFiles->getRegions().put(
+            chunk, root ? json::to_binary(root, true) : std::vector<ubyte>()
+        );
     }
 }