Player ui

src/score.rs

@@ -0,0 +1,38 @@
+use bevy::prelude::*;
+
+use crate::{damagable::DamageableKilled, ships::Factions};
+
+const ENEMY_REWARD: u64 = 10;
+
+#[derive(Resource)]
+pub struct Score {
+    pub score: u64,
+    pub max_score: u64,
+}
+
+pub struct ScorePlugin;
+
+impl Plugin for ScorePlugin {
+    fn build(&self, app: &mut App) {
+        app.insert_resource(Score {
+            score: 0,
+            max_score: 0,
+        })
+        .add_observer(on_something_died);
+    }
+}
+
+pub fn on_something_died(killed: On<DamageableKilled>, mut score: ResMut<Score>) {
+    let Some(faction) = killed.killed_faction else {
+        return;
+    };
+
+    if faction != Factions::EnemyFaction {
+        return;
+    }
+
+    score.score += ENEMY_REWARD;
+    if score.max_score < score.score {
+        score.max_score = score.score;
+    }
+}