Make use of states in char-selection

Former-commit-id: f74d4811bebb0e60093a96d70feeedaae8bc6c04

client/src/lib.rs

@@ -102,6 +102,7 @@ impl Client {
 
     pub fn register(&mut self, player: comp::Player) {
         self.postbox.send_message(ClientMsg::Register { player });
+        self.pending_state_request = true;
     }
 
     pub fn request_character(&mut self, name: String, body: comp::Body) {

common/src/comp/stats.rs

@@ -1,5 +1,5 @@
-use specs::{Component, FlaggedStorage, NullStorage, VecStorage};
 use crate::state::Time;
+use specs::{Component, FlaggedStorage, NullStorage, VecStorage};
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Health {

common/src/sys/action.rs

@@ -5,7 +5,7 @@ use vek::*;
 // Crate
 use crate::{
     comp::{phys::Pos, Action, Actions, Control, Stats},
-    state::{Time, DeltaTime},
+    state::{DeltaTime, Time},
 };
 
 // Basic ECS AI agent system

voxygen/src/menu/char_selection/mod.rs

@@ -8,7 +8,7 @@ use crate::{
     Direction, GlobalState, PlayState, PlayStateResult,
 };
 use client::{self, Client};
-use common::{clock::Clock, comp, msg::ClientMsg};
+use common::{clock::Clock, comp, msg::ClientMsg, msg::ClientState};
 use scene::Scene;
 use std::{cell::RefCell, rc::Rc, time::Duration};
 use ui::CharSelectionUi;
@@ -46,7 +46,9 @@ impl PlayState for CharSelectionState {
         // Set up an fps clock.
         let mut clock = Clock::new();
 
-        loop {
+        while self.client.borrow().is_request_pending()
+            || self.client.borrow().get_client_state() == Some(ClientState::Registered)
+        {
             // Handle window events.
             for event in global_state.window.fetch_events() {
                 match event {
@@ -122,6 +124,8 @@ impl PlayState for CharSelectionState {
             // Wait for the next tick.
             clock.tick(Duration::from_millis(1000 / FPS));
         }
+
+        PlayStateResult::Pop
     }
 
     fn name(&self) -> &'static str {