cleaner query

client/src/main.rs

@@ -23,7 +23,10 @@ use renet_visualizer::{RenetClientVisualizer, RenetVisualizerStyle};
 struct MainCamera;
 
 #[derive(Component)]
-struct ControlledPlayer {
+struct ControlledPlayer;
+
+#[derive(Component)]
+struct Aimer {
     aiming_at: Vec2,
 }
 
@@ -120,14 +123,14 @@ fn update_visulizer_system(
 }
 
 fn player_input(
-    controlled_player_query: Query<(&Transform, &ControlledPlayer)>,
+    controlled_player_query: Query<(&Transform, &Aimer)>,
     keyboard_input: Res<Input<KeyCode>>,
     mut player_input: ResMut<PlayerInput>,
     mouse_button_input: Res<Input<MouseButton>>,
     mut player_commands: EventWriter<PlayerCommand>,
     most_recent_tick: Res<MostRecentTick>,
 ) {
-    let (transform, controlled_player) = controlled_player_query.single();
+    let (transform, aimer) = controlled_player_query.single();
 
     player_input.left = keyboard_input.pressed(KeyCode::A) || keyboard_input.pressed(KeyCode::Left);
     player_input.right =
@@ -139,21 +142,21 @@ fn player_input(
     if mouse_button_input.just_pressed(MouseButton::Left) {
         info!(
             "player at origin {} fired at {}",
-            transform.translation, controlled_player.aiming_at
+            transform.translation, aimer.aiming_at
         );
 
         player_commands.send(PlayerCommand::BasicAttack {
             origin: Vec2::new(transform.translation.x, transform.translation.y),
-            direction: controlled_player.aiming_at,
+            direction: aimer.aiming_at,
         });
     }
 }
 
 fn cursor_system(
     wnds: Res<Windows>,
-    mut q_camera: Query<(&Camera, &mut ControlledPlayer, &GlobalTransform), With<ControlledPlayer>>,
+    mut q_camera: Query<(&Camera, &mut Aimer, &GlobalTransform), With<ControlledPlayer>>,
 ) {
-    let (camera, mut controlled_player, camera_transform) = q_camera.single_mut();
+    let (camera, mut aimer, camera_transform) = q_camera.single_mut();
 
     let wnd = if let RenderTarget::Window(id) = camera.target {
         wnds.get(id).unwrap()
@@ -169,7 +172,7 @@ fn cursor_system(
         let world_pos = ndc_to_world.project_point3(ndc.extend(-1.0));
         let world_pos: Vec2 = world_pos.truncate();
 
-        controlled_player.aiming_at = world_pos;
+        aimer.aiming_at = world_pos;
     }
 }
 
@@ -215,7 +218,7 @@ fn client_sync_players(
                 });
 
                 if client_id == id {
-                    client_entity.insert(ControlledPlayer {
+                    client_entity.insert(ControlledPlayer).insert(Aimer {
                         aiming_at: Vec2::new(0., 0.),
                     });
                 }
@@ -241,11 +244,7 @@ fn client_sync_players(
                     network_mapping.0.remove(&server_entity);
                 }
             }
-            ServerMessages::SpawnProjectile {
-                entity,
-                origin,
-                direction,
-            } => {
+            ServerMessages::SpawnProjectile { entity } => {
                 let projectile_entity = commands.spawn_bundle(SpriteBundle {
                     sprite: Sprite {
                         color: Color::rgb(0.25, 0.25, 0.75),
@@ -291,7 +290,8 @@ fn client_sync_players(
 fn setup_camera(mut commands: Commands) {
     commands
         .spawn_bundle(Camera2dBundle::default())
-        .insert(ControlledPlayer {
+        .insert(ControlledPlayer)
+        .insert(Aimer {
             aiming_at: Vec2::new(0., 0.),
         });
 }

server/src/main.rs

@@ -174,12 +174,7 @@ fn server_update_system(
                     );
 
                     let entity = spawn_projectile(&mut commands, origin, direction);
-                    let message = ServerMessages::SpawnProjectile {
-                        entity,
-                        origin,
-                        direction,
-                    };
-
+                    let message = ServerMessages::SpawnProjectile { entity };
                     let message = bincode::serialize(&message).unwrap();
 
                     server.broadcast_message(ServerChannel::ServerMessages.id(), message);

shared/src/lib.rs

@@ -51,21 +51,10 @@ pub enum ServerChannel {
 
 #[derive(Debug, Serialize, Deserialize, Component)]
 pub enum ServerMessages {
-    PlayerCreate {
-        entity: Entity,
-        id: u64,
-    },
-    PlayerRemove {
-        id: u64,
-    },
-    SpawnProjectile {
-        entity: Entity,
-        origin: Vec2,
-        direction: Vec2,
-    },
-    DespawnProjectile {
-        entity: Entity,
-    },
+    PlayerCreate { entity: Entity, id: u64 },
+    PlayerRemove { id: u64 },
+    SpawnProjectile { entity: Entity },
+    DespawnProjectile { entity: Entity },
 }
 
 #[derive(Debug, Serialize, Deserialize, Default)]