Implement resetting the game

godot/scenes/game_finished.tscn

@@ -1,7 +1,8 @@
 [gd_scene format=3 uid="uid://df84sctteh4kw"]
 
-[node name="game_finished" type="GameFinishedScreen" unique_id=700430082 node_paths=PackedStringArray("title_container")]
+[node name="game_finished" type="GameFinishedScreen" unique_id=700430082 node_paths=PackedStringArray("title_container", "back_button")]
 title_container = NodePath("title_container")
+back_button = NodePath("button")
 anchors_preset = 15
 anchor_right = 1.0
 anchor_bottom = 1.0
@@ -19,3 +20,19 @@ offset_right = 168.0
 offset_bottom = 110.0
 grow_horizontal = 2
 alignment = 1
+
+[node name="button" type="Button" parent="." unique_id=1264024304]
+layout_mode = 1
+anchors_preset = 7
+anchor_left = 0.5
+anchor_top = 1.0
+anchor_right = 0.5
+anchor_bottom = 1.0
+offset_left = -22.0
+offset_top = -103.0
+offset_right = 23.0
+offset_bottom = -69.0
+grow_horizontal = 2
+grow_vertical = 0
+theme_override_font_sizes/font_size = 32
+text = "Back"

godot/scenes/misc/game_manager.tscn

@@ -1,10 +1,12 @@
 [gd_scene format=3 uid="uid://bii6018k3ip3t"]
 
+[ext_resource type="PackedScene" uid="uid://bwd6bj21x310s" path="res://scenes/lobby.tscn" id="1_3ama4"]
 [ext_resource type="MapResource" uid="uid://c7n1tacc7a73t" path="res://maps/default_map.tres" id="1_glms7"]
 [ext_resource type="PackedScene" uid="uid://df84sctteh4kw" path="res://scenes/game_finished.tscn" id="1_qf2qp"]
 [ext_resource type="MapResource" uid="uid://bsjoandgu476y" path="res://maps/diner.tres" id="2_glms7"]
 
 [node name="game_manager" type="GameManager" unique_id=1442044769]
 respawn_timer = 10.0
+lobby_screen = ExtResource("1_3ama4")
 game_finished_screen = ExtResource("1_qf2qp")
 maps = Array[MapResource]([ExtResource("1_glms7"), ExtResource("2_glms7")])

rust/src/game_manager.rs

@@ -28,6 +28,8 @@ pub struct GameManager {
     #[export]
     pub respawn_timer: f64,
     #[export]
+    pub lobby_screen: Option<Gd<PackedScene>>,
+    #[export]
     pub game_finished_screen: Option<Gd<PackedScene>>,
 
     pub game: Option<Gd<Game>>,
@@ -77,7 +79,7 @@ impl GameManager {
                     .connect_other(s, |s, id| s.signals().on_map_changed().emit(id));
                 game.signals()
                     .on_game_finished()
-                    .connect_other(s, |s| s.on_game_finished());
+                    .connect_other(s, |s| s.go_to_finish_screen());
             }
         });
 
@@ -86,11 +88,17 @@ impl GameManager {
         self.game = Some(game);
     }
 
-    pub fn on_game_finished(&mut self) {
+    pub fn go_to_finish_screen(&self) {
         if let Some(scene) = &self.game_finished_screen {
             self.base().get_tree().change_scene_to_packed(scene);
         }
     }
+
+    pub fn go_to_lobby(&self) {
+        if let Some(lobby) = &self.lobby_screen {
+            self.base().get_tree().change_scene_to_packed(lobby);
+        }
+    }
 }
 
 pub struct GameOptions {
@@ -274,6 +282,17 @@ impl Game {
             .map(|g| g.cast::<Game>())
     }
 
+    pub fn reset_game(&mut self) {
+        if let Some(peer) = &mut NetworkManager::singleton().bind_mut().peer
+            && let PeerKind::Server(peer, _) = peer
+            && let Some(player) = self.find_player_mut(self.self_id.unwrap_or(0))
+        {
+            player.ready = true;
+            peer.broadcast_reliable(Package::SetReady(player.id(), true));
+        }
+        self.goals.clear();
+    }
+
     pub fn change_option(&mut self, opt: GameOption, value: GameOptionValue) {
         self.opts.values.insert(opt, value);
         self.run_deferred(move |s| {
@@ -556,10 +575,13 @@ impl Game {
             if let Some(mut character) = player.character.take() {
                 character.queue_free();
             }
+            player.ready = false;
         }
         if let Some(mut ball) = self.world_ball.take() {
             ball.queue_free();
         }
+        self.current_map.take();
+        self.game_started = false;
         self.run_deferred(|s| s.signals().on_game_finished().emit());
     }
 

rust/src/net/network_manager.rs

@@ -19,9 +19,6 @@ use crate::{
 #[derive(GodotClass)]
 #[class(base=Node)]
 pub struct NetworkManager {
-    #[export]
-    lobby_scene: Option<Gd<PackedScene>>,
-
     pub peer: Option<PeerKind>,
 
     last_hello: Instant,
@@ -37,8 +34,6 @@ pub const NETWORK_SINGLETON_NAME: &str = "NetworkManagerGlob";
 impl INode for NetworkManager {
     fn init(base: Base<Node>) -> Self {
         NetworkManager {
-            lobby_scene: None,
-
             peer: None,
 
             last_hello: Instant::now(),
@@ -219,10 +214,8 @@ impl NetworkManager {
     }
 
     pub fn swap_to_lobby(&self, is_host: bool) {
-        if let Some(scene) = &self.lobby_scene {
-            self.base().get_tree().change_scene_to_packed(scene);
         GameManager::singleton().bind_mut().init_game(is_host);
-        }
+        GameManager::singleton().bind().go_to_lobby();
     }
 
     pub fn update_nick(&mut self, nick: String) {

rust/src/ui/game_finished_screen.rs

@@ -1,15 +1,17 @@
 use godot::{
-    classes::{HBoxContainer, IPanel, Label, Panel},
+    classes::{Button, HBoxContainer, IPanel, Label, Panel},
     prelude::*,
 };
 
-use crate::game_manager::Game;
+use crate::game_manager::{Game, GameManager};
 
 #[derive(GodotClass)]
 #[class(base=Panel, init)]
 pub struct GameFinishedScreen {
     #[export]
     title_container: Option<Gd<HBoxContainer>>,
+    #[export]
+    back_button: Option<Gd<Button>>,
 
     base: Base<Panel>,
 }
@@ -18,6 +20,14 @@ pub struct GameFinishedScreen {
 impl IPanel for GameFinishedScreen {
     fn ready(&mut self) {
         self.produce_title();
+        if let Some(back) = &self.back_button {
+            back.signals().pressed().connect_other(self, |_| {
+                if let Some(mut game) = Game::singleton() {
+                    game.bind_mut().reset_game();
+                }
+                GameManager::singleton().bind().go_to_lobby();
+            });
+        }
     }
 }