feat(Blenvy:Bevy): cleaning up

 * removed clutter
 * moved hot reload to seperate module
 * added back "assets loaded" event, removed useless events
 * registered HideUntilReady component for users
 * minor tweaks & cleanups

crates/blenvy/old/spawn_post_process.rs

@@ -5,7 +5,7 @@ use bevy::prelude::*;
 use bevy::scene::SceneInstance;
 // use bevy::utils::hashbrown::HashSet;
 
-use crate::{BlueprintAnimationPlayerLink, BlueprintAnimations, BlueprintInfo, BlueprintReadyForPostProcess, BlueprintInstanceReady, BlueprintSpawning, SpawnTrackRoot, SubBlueprintsSpawnTracker};
+use crate::{BlueprintAnimationPlayerLink, BlueprintAnimations, BlueprintInfo, BlueprintReadyForPostProcess, BlueprintInstanceReady, BlueprintSpawning, SubBlueprintSpawnRoot, SubBlueprintsSpawnTracker};
 use crate::{SpawnHere, Spawned};
 use crate::{
     BlueprintEvent, CopyComponents, InBlueprint, NoInBlueprint, OriginalChildren
@@ -32,7 +32,7 @@ pub(crate) fn spawned_blueprint_post_process( // rename to '
             &BlueprintInfo,
 
             // sub blueprint instances tracker
-            Option<&SpawnTrackRoot>
+            Option<&SubBlueprintSpawnRoot>
         ),
         (With<SpawnHere>, With<SceneInstance>, Added<BlueprintReadyForPostProcess>),
     >,

crates/blenvy/src/blueprints/hot_reload.rs

@@ -0,0 +1,48 @@
+
+use bevy::prelude::*;
+use bevy::asset::{AssetEvent, LoadedUntypedAsset};
+use bevy::scene::SceneInstance;
+use crate::{BlueprintAssetsLoadState, BlueprintAssetsLoaded, BlueprintInfo, SpawnHere};
+
+pub(crate) fn react_to_asset_changes(
+    mut gltf_events: EventReader<AssetEvent<Gltf>>,
+    mut untyped_events: EventReader<AssetEvent<LoadedUntypedAsset>>,
+    mut blueprint_assets: Query<(Entity, Option<&Name>, &BlueprintInfo, &mut BlueprintAssetsLoadState, Option<&Children>)>,
+    asset_server: Res<AssetServer>,
+    mut commands: Commands,
+
+) {
+
+    for event in gltf_events.read() {
+        // LoadedUntypedAsset
+        match event {
+            AssetEvent::Modified { id } => {
+                // React to the image being modified
+                // println!("Modified gltf {:?}", asset_server.get_path(*id));
+                for (entity, entity_name, blueprint_info, mut assets_to_load, children) in blueprint_assets.iter_mut() {
+                    for tracker in assets_to_load.asset_infos.iter_mut() {
+                        if asset_server.get_path(*id).is_some() {
+                            if tracker.path == asset_server.get_path(*id).unwrap().to_string() {
+                                println!("HOLY MOLY IT DETECTS !!, now respawn {:?}", entity_name);
+                                if children.is_some() {
+                                    for child in children.unwrap().iter(){
+                                        commands.entity(*child).despawn_recursive();
+                                    }
+                                }
+                                commands.entity(entity)
+                                    .remove::<BlueprintAssetsLoaded>()
+                                    .remove::<SceneInstance>()
+                                    .remove::<BlueprintAssetsLoadState>()
+                                    .insert(SpawnHere);
+
+                                break;
+                            }
+                        }
+                    }
+                }
+
+            }
+            _ => {}
+        }
+    }
+}

crates/blenvy/src/blueprints/mod.rs

@@ -16,6 +16,9 @@ pub use materials::*;
 pub mod copy_components;
 pub use copy_components::*;
 
+pub mod hot_reload;
+pub use hot_reload::*;
+
 use core::fmt;
 use std::path::PathBuf;
 
@@ -98,6 +101,7 @@ impl Plugin for BlueprintsPlugin {
         app
             .register_watching_for_changes()
 
+            .add_event::<BlueprintEvent>()
 
             .register_type::<BlueprintInfo>()
             .register_type::<MaterialInfo>()
@@ -116,10 +120,9 @@ impl Plugin for BlueprintsPlugin {
             .register_type::<Vec<String>>()
             .register_type::<BlueprintAssets>()
 
-            .add_event::<BlueprintEvent>()
-
-
             .register_type::<HashMap<String, Vec<String>>>()
+            .register_type::<HideUntilReady>()
+
             .configure_sets(
                 Update,
                 (GltfBlueprintsSet::Spawn, GltfBlueprintsSet::AfterSpawn)