Fix terrain not loading

Former-commit-id: f9279878ab051c6083c4a1f5125531fe79151fb8

common/src/state.rs

@@ -184,6 +184,11 @@ impl State {
         self.ecs.read_resource::<TerrainMap>()
     }
 
+    /// Get a writable reference to this state's terrain.
+    pub fn terrain_mut(&self) -> FetchMut<TerrainMap> {
+        self.ecs.write_resource::<TerrainMap>()
+    }
+
     /// Insert the provided chunk into this state's terrain.
     pub fn insert_chunk(&mut self, key: Vec2<i32>, chunk: TerrainChunk) {
         if self

common/src/volumes/vol_map_2d.rs

@@ -145,6 +145,10 @@ impl<V: BaseVol, S: VolSize> VolMap2d<V, S> {
         self.chunks.get(&key)
     }
 
+    pub fn clear(&mut self) {
+        self.chunks.clear();
+    }
+
     pub fn remove(&mut self, key: Vec2<i32>) -> Option<Arc<V>> {
         self.chunks.remove(&key)
     }

voxygen/src/menu/char_selection/mod.rs

@@ -45,6 +45,7 @@ impl PlayState for CharSelectionState {
     fn play(&mut self, _: Direction, global_state: &mut GlobalState) -> PlayStateResult {
         // Set up an fps clock.
         let mut clock = Clock::new();
+        self.client.borrow_mut().state_mut().terrain_mut().clear();
 
         while self.client.borrow().is_request_pending()
             || self.client.borrow().get_client_state() == Some(ClientState::Registered)

voxygen/src/scene/terrain.rs

@@ -205,4 +205,8 @@ impl Terrain {
             renderer.render_terrain_chunk(&chunk.model, globals, &chunk.locals);
         }
     }
+
+    pub fn clear(&mut self) {
+        self.chunks.clear();
+    }
 }

voxygen/src/session.rs

@@ -115,6 +115,7 @@ impl PlayState for SessionState {
 
         // Set up an fps clock.
         let mut clock = Clock::new();
+        self.client.borrow_mut().state_mut().terrain_mut().clear();
 
         // Load a few chunks. TODO: Remove this.
         /*