Compressing with lz4

src/game/world/mod.rs

@@ -72,16 +72,17 @@ impl World {
         data_file.write_all(data_str.as_bytes()).expect("Failed to write");
     }
 
-    pub fn load(&mut self) {
+    pub fn load(&mut self) -> bool {
         // Get directory
         let mut dir = dirs::data_local_dir().unwrap();
         dir.push("Voxelgame");
         if !dir.is_dir() {
             println!("Not exists: {:?}", dir);
-            return; 
+            return false; 
         }
 
         // Load all chunks
+        let mut count = 0;
         for entry in fs::read_dir(dir).unwrap() {
             let path: PathBuf = entry.unwrap().path();
             if path.extension().unwrap().to_str() != Some("dat") {
@@ -102,10 +103,11 @@ impl World {
 
             println!("loaded {:?}", pos);
             self.chunks.insert(pos, chunk);
+            count += 1;
         }
 
         // Load metadata
-
+        return count > 0;
     }
 
     pub fn gen_block(&mut self, block_wpos: &Point3<u32>) -> &WorldBlock {