From 64a67d0ffe4a3fbd93f6a86e36b74a9ad08db7fe Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Mon, 2 Sep 2024 01:32:25 +0200
Subject: [PATCH] only save modified chunks

---
 kubi/src/world/loading.rs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/kubi/src/world/loading.rs b/kubi/src/world/loading.rs
index 2ed2612..d1cbea4 100644
--- a/kubi/src/world/loading.rs
+++ b/kubi/src/world/loading.rs
@@ -287,11 +287,14 @@ fn process_state_changes(
 
       if let Some(io) = &io {
         if let Some(block_data) = &chunk.block_data {
-          // log::debug!("issue save command");
-          io.send(IOCommand::SaveChunk {
-            position,
-            data: block_data.blocks.clone(),
-          });
+          // Only save the chunk if it has been modified
+          if chunk.data_modified {
+            // log::debug!("issue save command");
+            io.send(IOCommand::SaveChunk {
+              position,
+              data: block_data.blocks.clone(),
+            });
+          }
         }
       }