add PlayTime resource to record time spent playing while in active state

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- PlayTime resource records unpaused play time
+
 ## [0.0.26] - 2023-11-18
 
 ### Added

src/core/resources/game_time.rs

@@ -3,10 +3,14 @@ use bevy::{prelude::*, time::Stopwatch};
 #[derive(Resource, Deref)]
 pub struct GameTime(pub Stopwatch);
 
+#[derive(Resource, Deref)]
+pub struct PlayTime(pub Stopwatch);
+
 pub struct GameTimePlugin;
 impl Plugin for GameTimePlugin {
     fn build(&self, app: &mut App) {
         app.insert_resource(GameTime(Stopwatch::new()));
+        app.insert_resource(PlayTime(Stopwatch::new()));
     }
 }
 
@@ -21,3 +25,7 @@ pub(crate) fn tick_game_time(time: Res<Time>, mut game_time: ResMut<GameTime>) {
     // too unnatural. It feels suitable for the game as an arcade shooter,
     // so this is probably where we'll land for v0.1.
 }
+
+pub(crate) fn tick_play_time(time: Res<Time>, mut play_time: ResMut<PlayTime>) {
+    play_time.0.tick(time.delta());
+}

src/systems/mod.rs

@@ -212,6 +212,7 @@ impl Plugin for SystemsPlugin {
         app.add_systems(
             Update,
             (
+                resources::game_time::tick_play_time,
                 player::player_flight_system.in_set(MovementSet),
                 camera::follow_player.after(MovementSet),
                 player::player_weapons_system.in_set(AttackSet),