Fix infinite scrolling

src/main.rs

@@ -59,15 +59,22 @@ impl State {
         self.world_pos = (self.world_pos.0 + delta.0, self.world_pos.1 + delta.1);
 
         // Update loaded chunks
-        match self.loaded_chunks.get(&self.world_pos) {
-            Some(chunk) => self.view = chunk.to_vec(),
+        let chunk = match self.loaded_chunks.get(&self.world_pos) {
+            Some(chunk) => chunk,
             None => {
-                self.loaded_chunks.insert(
-                    self.world_pos,
-                    map::new_chunk(crypto::hash_to_number(&self.world_pos)),
-                );
+                let new_chunk = map::new_chunk(crypto::hash_to_number(&self.world_pos));
+                self.loaded_chunks.insert(self.world_pos, new_chunk);
+                self.loaded_chunks
+                    .get(&self.world_pos)
+                    .expect("Unexpectedly failed finding loaded chunk.")
             }
         };
+
+        self.view = chunk.to_vec();
+
+        dbg!("Loaded chunks: {:?}", &self.loaded_chunks.keys());
+        dbg!("Current position: {:?}", &self.world_pos);
+        dbg!("Number of loaded chunks: {:?}", &self.loaded_chunks.len());
     }
 
     pub fn move_player(&mut self, delta: Point) {

src/map.rs

@@ -2,7 +2,7 @@ use rltk::RandomNumberGenerator;
 
 pub type Chunk = Vec<TileType>;
 
-#[derive(PartialEq, Copy, Clone)]
+#[derive(PartialEq, Copy, Clone, Debug)]
 pub enum TileType {
     Wall,
     Floor,