implement player respawn with "z" key

src/actor.rs

@@ -1,7 +1,8 @@
 use bevy::prelude::*;
 use bevy_xpbd_3d::prelude::*;
+use bevy::scene::SceneInstance;
 use bevy::math::DVec3;
-use crate::{actor, audio, chat, nature, settings};
+use crate::{actor, audio, chat, commands, nature, settings, world};
 
 pub const ENGINE_SPEED_FACTOR: f32 = 30.0;
 const MIN_INTERACT_DISTANCE: f32 = 30.0;
@@ -10,6 +11,9 @@ const NO_RIDE: u32 = 0;
 pub struct ActorPlugin;
 impl Plugin for ActorPlugin {
     fn build(&self, app: &mut App) {
+        app.add_systems(PreUpdate, (
+            handle_player_death,
+        ));
         app.add_systems(FixedUpdate, (
             update_physics_lifeforms,
             handle_wants_maxrotation,
@@ -23,9 +27,11 @@ impl Plugin for ActorPlugin {
             handle_vehicle_enter_exit,
         ));
         app.add_event::<VehicleEnterExitEvent>();
+        app.add_event::<PlayerDiesEvent>();
     }
 }
 
+#[derive(Event)] pub struct PlayerDiesEvent;
 #[derive(Event)]
 pub struct VehicleEnterExitEvent {
     vehicle: Entity,
@@ -186,9 +192,13 @@ pub fn handle_input(
     mut q_vehicles: Query<(Entity, &mut Visibility, &Transform), (With<actor::Vehicle>, Without<actor::Player>)>,
     mut ew_conv: EventWriter<chat::StartConversationEvent>,
     mut ew_vehicle: EventWriter<VehicleEnterExitEvent>,
+    mut ew_playerdies: EventWriter<PlayerDiesEvent>,
     q_player_drives: Query<Entity, With<PlayerDrivesThis>>,
 ) {
     let mindist = MIN_INTERACT_DISTANCE * MIN_INTERACT_DISTANCE;
+    if keyboard_input.just_pressed(settings.key_cheat_die) {
+        ew_playerdies.send(PlayerDiesEvent);
+    }
     if keyboard_input.just_pressed(settings.key_interact) {
         // Talking to people
         if let Ok((_player_entity, _player_actor, player)) = player.get_single() {
@@ -345,3 +355,26 @@ fn handle_wants_maxvelocity(
         }
     }
 }
+
+fn handle_player_death(
+    mut cmd: Commands,
+    mut er_playerdies: EventReader<PlayerDiesEvent>,
+    q_scenes: Query<(Entity, &SceneInstance), With<world::DespawnOnPlayerDeath>>,
+    q_noscenes: Query<Entity, (With<world::DespawnOnPlayerDeath>, Without<SceneInstance>)>,
+    ew_spawn: EventWriter<commands::SpawnEvent>,
+    mut scene_spawner: ResMut<SceneSpawner>,
+    mut ew_sfx: EventWriter<audio::PlaySfxEvent>,
+) {
+    for _ in er_playerdies.read() {
+        for entity in &q_noscenes {
+            cmd.entity(entity).despawn();
+        }
+        for (entity, sceneinstance) in &q_scenes {
+            cmd.entity(entity).despawn();
+            scene_spawner.despawn_instance(**sceneinstance);
+        }
+        //cmd.run_system(commands::load_defs); // why is it so complicated to get SystemId?
+        commands::load_defs(ew_spawn);
+        return;
+    }
+}

src/camera.rs

@@ -69,7 +69,7 @@ pub fn setup_camera(
 
 pub fn sync_camera_to_player(
     settings: Res<settings::Settings>,
-    mut q_camera: Query<&mut Transform, With<Camera>>,
+    mut q_camera: Query<&mut Transform, (With<Camera>, Without<actor::PlayerCamera>)>,
     q_playercam: Query<(&actor::Actor, &Transform), (With<actor::PlayerCamera>, Without<Camera>)>,
 ) {
     if q_camera.is_empty() || q_playercam.is_empty() {

src/chat.rs

@@ -1,5 +1,5 @@
 use bevy::prelude::*;
-use crate::{actor, audio, hud, settings};
+use crate::{actor, audio, hud, settings, world};
 
 pub struct ChatPlugin;
 impl Plugin for ChatPlugin {
@@ -193,12 +193,15 @@ pub fn handle_send_messages(
                 .collect();
             for choice in choices {
                 if choice.choice.as_str() != hud::CHOICE_NONE {
-                    commands.spawn(ChoiceAvailable {
+                    commands.spawn((
+                        ChoiceAvailable {
                             conv_id: choice.id.clone(),
                             conv_label: choice.label.clone(),
                             recipient: choice.name.clone(),
                             text: choice.choice.clone(),
-                    });
+                        },
+                        world::DespawnOnPlayerDeath,
+                    ));
                 }
             }
             if !branch.script.is_empty() {
@@ -269,12 +272,15 @@ pub fn handle_conversations(
             .collect();
         for choice in choices {
             if choice.choice.as_str() != hud::CHOICE_NONE {
-                commands.spawn(ChoiceAvailable {
+                commands.spawn((
+                    ChoiceAvailable {
                         conv_id: choice.id.clone(),
                         conv_label: choice.label.clone(),
                         recipient: choice.name.clone(),
                         text: choice.choice.clone(),
-                });
+                    },
+                    world::DespawnOnPlayerDeath,
+                ));
             }
         }
 

src/commands.rs

@@ -571,7 +571,8 @@ fn spawn_entities(
         let state = &state_wrapper.0;
         if state.class == DefClass::Chat {
             if state.stores_item {
-                commands.spawn(state.as_chatbranch());
+                let mut chat = commands.spawn(state.as_chatbranch());
+                chat.insert(world::DespawnOnPlayerDeath);
             }
         }
         else if state.class == DefClass::Actor {
@@ -581,6 +582,7 @@ fn spawn_entities(
                 camdistance: state.camdistance,
                 ..default()
             });
+            actor.insert(world::DespawnOnPlayerDeath);
             actor.insert(Position::from(state.pos));
             actor.insert(Rotation::from(state.rotation));
             if state.is_sphere {

src/settings.rs

@@ -54,6 +54,7 @@ pub struct Settings {
     pub key_cheat_adrenaline_zero: KeyCode,
     pub key_cheat_adrenaline_mid: KeyCode,
     pub key_cheat_adrenaline_max: KeyCode,
+    pub key_cheat_die: KeyCode,
 }
 
 impl Default for Settings {
@@ -126,6 +127,7 @@ impl Default for Settings {
             key_cheat_adrenaline_zero: KeyCode::F5,
             key_cheat_adrenaline_mid: KeyCode::F6,
             key_cheat_adrenaline_max: KeyCode::F7,
+            key_cheat_die: KeyCode::KeyZ,
         }
     }
 }

src/world.rs

@@ -71,6 +71,7 @@ impl Plugin for WorldPlugin {
 #[derive(Resource)] struct ActiveAsteroids(HashMap<I64Vec3, AsteroidData>);
 
 #[derive(Component)] struct Asteroid;
+#[derive(Component)] pub struct DespawnOnPlayerDeath;
 
 struct AsteroidData {
     entity: Entity,