Loading chunks in radius instead of by travel direction, bugged (not reloading chunks)

src/game/world/mod.rs

@@ -51,12 +51,26 @@ impl World {
     */
     pub fn load_chunk(&mut self, pos: Vector3<i32>) {
         if let Some(chunk) = self.chunks.get_mut(&pos) {
-            chunk.dirty = true;
+            if !chunk.loaded {
+                println!("Chunk {:?} exists but not loaded! Loading now", pos);
+                chunk.dirty = true;
+            }
         } else {
             self.loader.load(pos);
         }
     }
 
+    /*
+    *   
+    */
+    pub fn unload_chunk(&mut self, pos: Vector3<i32>) {
+        if let Some(chunk) = self.chunks.get_mut(&pos) {
+            chunk.loaded = false;
+            chunk.dirty = false;
+            // TODO: Mark chunk as "to be unloaded" and send it to renderer for freeing resources
+        }
+    }
+
     /*
     *   Loads metadata
     */