Merge c4d8e02a9d into 9b50d77790

* more coherent logic between save & load
 * added resources & boilerplate for loading side
 * experimenting with save & load logic, filtering of components etc
 * updated assets for more testing
 * added bevy-inspector-egui  to some examples for testing

TODO.md

@@ -259,6 +259,23 @@ Blender side:
 - [x] make sure the "add scene" button is not available unless you have actually selected one
 - [x] make auto export be on by default, however bail out early by detecting if there are any level/blueprint scenes
 - [x] remove custom components to filter out correctly from exported blueprints list 
+- [ ] for built in Component types that need to be injected to be used by blueprints, 
+      namely: 
+    - BlueprintInfos (not 100% sure for this one)
+    - MaterialInfos
+    - the various scene Components 
+    - BlueprintAssets (although not really needed anymore with the meta files)
+
+    - [ ] Inject real components instead of just custom properties
+    - [ ] add boilerplate to generate real component values from type definitions instead of hacking pseudo ron strings
+    - [ ] fall back to bevy_components if that fails (missing registry) or just basic custom properties
+    - [ ] If that fails as well ?
+- [ ] auto reload registry if absent/possible
+    - cannot be done from UI possibly polling with increasing timeout
+    - bpy.ops.blenvy.components_registry_reload()
+
+- [x] filter out MaterialInfos from list of "fixable components"
+
 
 Bevy Side:
 - [x] deprecate BlueprintName & BlueprintPath & use BlueprintInfo instead

crates/blenvy/old/README_save_load.md

@@ -58,12 +58,12 @@ fn main() {
 
 // add a system to trigger saving
 pub fn request_save(
-    mut save_requests: EventWriter<SaveRequest>,
+    mut save_requests: EventWriter<SavingRequest>,
     keycode: Res<Input<KeyCode>>,
 )
 {
     if keycode.just_pressed(KeyCode::S) {
-        save_requests.send(SaveRequest {
+        save_requests.send(SavingRequest {
             path: "save.scn.ron".into(),
         })
     }
@@ -225,16 +225,16 @@ fn main() {
 ## Events
 
 
-- to trigger **saving** use the ```SaveRequest``` event 
+- to trigger **saving** use the ```SavingRequest``` event 
 ```rust no_run
 // add a system to trigger saving
 pub fn request_save(
-    mut save_requests: EventWriter<SaveRequest>,
+    mut save_requests: EventWriter<SavingRequest>,
     keycode: Res<Input<KeyCode>>,
 )
 {
     if keycode.just_pressed(KeyCode::S) {
-        save_requests.send(SaveRequest {
+        save_requests.send(SavingRequest {
             path: "save.scn.ron".into(),
         })
     }

crates/blenvy/src/save_load/common.rs

@@ -0,0 +1,45 @@
+pub use bevy::prelude::*;
+
+use crate::{BlueprintInfo, GameWorldTag, HideUntilReady, SpawnBlueprint};
+
+use super::{BlueprintWorld, Dynamic};
+
+pub(crate) fn spawn_from_blueprintworld(
+    added_blueprint_worlds: Query<(Entity, &BlueprintWorld), Added<BlueprintWorld> >,
+    mut commands: Commands,
+){
+    for (entity, blueprint_world) in added_blueprint_worlds.iter(){
+        println!("added blueprintWorld {:?}", blueprint_world);
+
+        // here we spawn the static part our game world/level, which is also a blueprint !
+        let static_world = commands.spawn((
+            BlueprintInfo::from_path(blueprint_world.path.as_str()), // all we need is a Blueprint info...
+            SpawnBlueprint, // and spawnblueprint to tell blenvy to spawn the blueprint now
+            HideUntilReady, // only reveal the level once it is ready
+            GameWorldTag,
+        )).id();
+
+        // here we spawn the dynamic entities part of our game world/level, which is also a blueprint !
+        let dynamic_world = commands.spawn((
+            BlueprintInfo::from_path(blueprint_world.path.replace(".glb", "_dynamic.glb").replace(".gltf", "_dynamic.gltf").as_str()), // all we need is a Blueprint info...
+            SpawnBlueprint, // and spawnblueprint to tell blenvy to spawn the blueprint now
+            HideUntilReady, // only reveal the level once it is ready
+            GameWorldTag
+        )).id();
+
+        // commands.entity(entity).add_child(static_world);
+        // commands.entity(entity).add_child(dynamic_world);
+    } 
+}
+
+pub(crate) fn inject_dynamic_into_children(
+    added_dynamic: Query<Entity, Added<Dynamic> >,
+    all_children: Query<&Children>,
+    mut commands: Commands,
+) {
+    for entity in added_dynamic.iter() {
+        for child in all_children.iter_descendants(entity) {
+            commands.entity(child).insert(Dynamic);
+        }
+    }
+}

crates/blenvy/src/save_load/loading.rs

@@ -0,0 +1,118 @@
+use std::path::Path;
+
+use bevy::prelude::*;
+
+use crate::{BlenvyConfig, BlueprintInfo, DynamicEntitiesRoot, GameWorldTag, HideUntilReady, SpawnBlueprint};
+
+
+#[derive(Event)]
+pub struct LoadingRequest {
+    pub path: String,
+}
+
+#[derive(Event)]
+pub struct LoadingFinished; // TODO: merge the two above
+
+/// resource that keeps track of the current load request
+#[derive(Resource, Default)]
+pub struct LoadingRequested {
+    pub path: String,
+}
+
+
+/*
+- Loading
+    - load request recieved
+    - pause things ?
+    - unload everything
+    - load static data using blueprintInfo
+    - load dynamic data from save file 
+
+
+General: 
+    * wrap loading a bevy scene as a blueprint ?
+    * meh, has no assets & co, different logic ?
+*/
+pub fn process_load_requests(
+    mut load_requests: EventReader<LoadingRequest>,
+    mut commands: Commands
+) {
+    let mut save_path: String = "".into();
+    for load_request in load_requests.read() {
+        if !load_request.path.is_empty() {
+            save_path.clone_from(&load_request.path);
+        }
+    }
+    if !save_path.is_empty() {
+        commands.insert_resource(LoadingRequested { path: save_path });
+    }
+}
+
+pub fn should_load(loading_requests: Option<Res<LoadingRequested>>) -> bool {
+    return resource_exists::<LoadingRequested>(loading_requests)
+}
+
+// TODO: replace with generic despawner ?
+pub(crate) fn prepare_loading(
+    mut commands: Commands, 
+    gameworlds: Query<Entity, With<GameWorldTag>>,
+
+) {
+    for e in gameworlds.iter() {
+        info!("--loading: despawn old world/level");
+        commands.entity(e).despawn_recursive();
+    }
+}
+
+
+
+
+pub(crate) fn load_game(
+    mut commands: Commands,
+    asset_server: Res<AssetServer>,
+    load_request: Res<LoadingRequested>,
+) {
+    info!("--loading: load dynamic data");
+    
+    //let save_path = Path::new(load_request.path.clone().as_str());
+
+    info!("LOADING FROM {:?}", load_request.path.clone());
+
+    /*let world_root = commands
+        .spawn((
+            bevy::prelude::Name::from("world"),
+            GameWorldTag,
+            TransformBundle::default(),
+            InheritedVisibility::default(),
+        ))
+        .id();*/
+
+    // and we fill it with dynamic data
+    // let input = std::fs::read(&path)?;
+    let dynamic_data = commands
+        .spawn((
+            DynamicSceneBundle {
+                scene: asset_server.load(load_request.path.clone()),
+                ..default()
+            },
+            bevy::prelude::Name::from("World_dynamic"),
+            DynamicEntitiesRoot,
+            GameWorldTag
+        ))
+        .id();
+
+    let static_data = commands.spawn((
+        BlueprintInfo::from_path("levels/World.glb"), // all we need is a Blueprint info...
+        SpawnBlueprint, 
+        HideUntilReady, 
+        GameWorldTag,
+    )).id();
+
+    //commands.entity(world_root).add_child(static_data);
+    //commands.entity(world_root).add_child(dynamic_data);
+
+    // commands.insert_resource(LoadFirstStageDone);
+
+    info!("--loading: loaded dynamic data");
+    commands.remove_resource::<LoadingRequested>();
+}

crates/blenvy/src/save_load/mod.rs

@@ -1,5 +1,15 @@
+use std::path::Path;
 use bevy::prelude::*;
 
+pub mod common;
+pub use common::*;
+
+pub mod saving;
+pub use saving::*;
+
+pub mod loading;
+pub use loading::*;
+
 #[derive(Component, Reflect, Debug, Default)]
 #[reflect(Component)]
 /// component used to mark any entity as Dynamic: aka add this to make sure your entity is going to be saved
@@ -34,8 +44,22 @@ pub struct StaticEntitiesBlueprintInfo {
 }
 
 
-pub mod saving;
-pub use saving::*;
+
+#[derive(Component, Debug)]
+pub struct BlueprintWorld{
+    pub path: String,
+}
+impl BlueprintWorld {
+    pub fn from_path(path: &str) -> BlueprintWorld {
+        let p = Path::new(&path);
+        return BlueprintWorld {
+            // name: p.file_stem().unwrap().to_os_string().into_string().unwrap(), // seriously ? , also unwraps !!
+            path: path.into(),
+        };
+    }
+}
+
+
 
 #[derive(Debug, Clone, Default)]
 /// Plugin for saving & loading
@@ -46,13 +70,33 @@ impl Plugin for SaveLoadPlugin {
         app.register_type::<Dynamic>()
             .register_type::<StaticEntitiesRoot>()
 
-            .add_event::<SaveRequest>()
+            .add_event::<SavingRequest>()
             .add_event::<SaveFinished>()
+
+            // common
+            .add_systems(Update, (spawn_from_blueprintworld, )) // inject_dynamic_into_children
+
+            // saving
+            .add_systems(Update, process_save_requests)
             .add_systems(
                 Update,
                 (prepare_save_game, apply_deferred, save_game, cleanup_save)
                     .chain()
                     .run_if(should_save),
+
+            )
+
+            .add_event::<LoadingRequest>()
+            .add_event::<LoadingFinished>()
+            //loading
+            .add_systems(Update, process_load_requests)
+            .add_systems(
+                Update,
+                (prepare_loading, apply_deferred, load_game)
+                    .chain()
+                    .run_if(should_load),
+                    //.run_if(not(resource_exists::<LoadFirstStageDone>))
+                    // .in_set(LoadingSet::Load),
             )
         ;
     }

crates/blenvy/src/save_load/old/loading.rs

@@ -5,7 +5,7 @@ use std::path::Path;
 use crate::{DynamicEntitiesRoot, SaveLoadConfig, StaticEntitiesRoot, StaticEntitiesStorage};
 
 #[derive(Event)]
-pub struct LoadRequest {
+pub struct LoadingRequest {
     pub path: String,
 }
 
@@ -26,7 +26,7 @@ pub(crate) struct CleanupScene;
 
 /// helper system that "converts" loadRequest events to `LoadRequested` resources
 pub(crate) fn mark_load_requested(
-    mut load_requests: EventReader<LoadRequest>,
+    mut load_requests: EventReader<LoadingRequest>,
     mut commands: Commands,
 ) {
     let mut save_path: String = "".into();

crates/blenvy/src/save_load/old/mod_old.rs

@@ -41,8 +41,8 @@ impl Plugin for SaveLoadPlugin {
             .register_type::<Camera3dDepthTextureUsage>()
             .register_type::<ScreenSpaceTransmissionQuality>()
             .register_type::<StaticEntitiesStorage>()
-            .add_event::<SaveRequest>()
-            .add_event::<LoadRequest>()
+            .add_event::<SavingRequest>()
+            .add_event::<LoadingRequest>()
             .add_event::<LoadingFinished>()
             .add_event::<SavingFinished>()
             .configure_sets(

crates/blenvy/src/save_load/old/saving.rs

@@ -9,14 +9,14 @@ use std::path::Path;
 use crate::{DynamicEntitiesRoot, SaveLoadConfig, StaticEntitiesRoot};
 
 #[derive(Event, Debug)]
-pub struct SaveRequest {
+pub struct SavingRequest {
     pub path: String,
 }
 
 #[derive(Event)]
 pub struct SavingFinished;
 
-pub fn should_save(save_requests: EventReader<SaveRequest>) -> bool {
+pub fn should_save(save_requests: EventReader<SavingRequest>) -> bool {
     !save_requests.is_empty()
 }
 
@@ -77,7 +77,7 @@ pub(crate) fn save_game(world: &mut World) {
     info!("saving");
 
     let mut save_path: String = "".into();
-    let mut events = world.resource_mut::<Events<SaveRequest>>();
+    let mut events = world.resource_mut::<Events<SavingRequest>>();
 
     for event in events.get_reader().read(&events) {
         info!("SAVE EVENT !! {:?}", event);

crates/blenvy/src/save_load/saving.rs

@@ -11,14 +11,38 @@ use crate::{BlenvyConfig, BlueprintInfo, Dynamic, FromBlueprint, RootEntity, Spa
 use super::{DynamicEntitiesRoot, OriginalParent, StaticEntitiesRoot};
 
 #[derive(Event, Debug)]
-pub struct SaveRequest {
+pub struct SavingRequest {
     pub path: String,
 }
 #[derive(Event)]
 pub struct SaveFinished; // TODO: merge the the events above
 
-pub fn should_save(save_requests: EventReader<SaveRequest>) -> bool {
-    !save_requests.is_empty()
+
+/// resource that keeps track of the current save request
+#[derive(Resource, Default)]
+pub struct SavingRequested {
+    pub path: String,
+}
+
+
+pub fn process_save_requests(
+    mut saving_requests: EventReader<SavingRequest>,
+    mut commands: Commands
+) {
+    let mut save_path: String = "".into();
+    for saving_request in saving_requests.read() {
+        if !saving_request.path.is_empty() {
+            save_path.clone_from(&saving_request.path);
+        }
+    }
+    if !save_path.is_empty() {
+        commands.insert_resource(SavingRequested { path: save_path });
+    }
+}
+
+
+pub fn should_save(saving_requests: Option<Res<SavingRequested>>) -> bool {
+    return resource_exists::<SavingRequested>(saving_requests)
 }
 
 
@@ -31,12 +55,12 @@ pub(crate) fn prepare_save_game(
 
     mut commands: Commands,
 ) {
-    for entity in saveables.iter() {
+    for entity in saveables.iter() { // FIXME : not sure about this one
         commands.entity(entity).insert(SpawnBlueprint);
     }
 
     for (entity, parent, children) in dynamic_entities.iter() {
-        println!("prepare save game");
+        println!("prepare save game for entity");
         let parent = parent.get();
         if root_entities.contains(parent) {
             commands.entity(entity).insert(RootEntity);
@@ -66,7 +90,7 @@ pub(crate) fn save_game(world: &mut World) {
     info!("saving");
 
     let mut save_path: String = "".into();
-    let mut events = world.resource_mut::<Events<SaveRequest>>();
+    let mut events = world.resource_mut::<Events<SavingRequest>>();
 
     for event in events.get_reader().read(&events) {
         info!("SAVE EVENT !! {:?}", event);
@@ -75,14 +99,14 @@ pub(crate) fn save_game(world: &mut World) {
     events.clear();
 
     let saveable_entities: Vec<Entity> = world
-        // .query_filtered::<Entity, (With<Dynamic>, Without<FromBlueprint>, Without<RootEntity>)>()
         .query_filtered::<Entity, (With<Dynamic>, Without<RootEntity>)>()
+        // .query_filtered::<Entity, (With<Dynamic>, Without<FromBlueprint>, Without<RootEntity>)>()
         .iter(world)
         .collect();
 
     let saveable_root_entities: Vec<Entity> = world
-        .query_filtered::<Entity, (With<Dynamic>, With<RootEntity>)>()
-        //.query_filtered::<Entity, (With<Dynamic>, Without<FromBlueprint>, With<RootEntity>)>()
+        // .query_filtered::<Entity, (With<Dynamic>, With<RootEntity>)>()
+        .query_filtered::<Entity, (With<Dynamic>, Without<FromBlueprint>, With<RootEntity>)>()
         .iter(world)
         .collect();
 
@@ -97,7 +121,7 @@ pub(crate) fn save_game(world: &mut World) {
     let filter = config
         .save_component_filter
         .clone()
-        .allow::<Parent>()
+        //.allow::<Parent>() // TODO: add back
         .allow::<Children>()
         .allow::<BlueprintInfo>()
         .allow::<SpawnBlueprint>()
@@ -115,7 +139,6 @@ pub(crate) fn save_game(world: &mut World) {
     let filter_resources = config.clone()
         .save_resource_filter
         .deny::<Time<Real>>()
-
         .clone();
         //.allow::<StaticEntitiesStorage>();
 
@@ -150,22 +173,37 @@ pub(crate) fn save_game(world: &mut World) {
         .serialize(&world.resource::<AppTypeRegistry>().read())
         .expect("filtered scene should serialize correctly");
 
-    let save_path = Path::new("assets")
+    let save_path_assets = Path::new("assets")
         //.join(&config.save_path)
         .join(Path::new(save_path.as_str())); // Path::new(&save_load_config.save_path).join(Path::new(save_path.as_str()));
-    info!("saving game to {:?}", save_path);
+    info!("saving game to {:?}", save_path_assets);
 
     // world.send_event(SavingFinished);
+    let bla = save_path_assets.clone().to_string_lossy().into_owned();
 
     #[cfg(not(target_arch = "wasm32"))]
     IoTaskPool::get()
         .spawn(async move {
             // Write the scene RON data to file
-            File::create(save_path)
+            File::create(save_path_assets)
                 .and_then(|mut file| file.write(serialized_scene.as_bytes()))
                 .expect("Error while writing save to file");
         })
         .detach();
+
+    
+    let static_world_path = "levels/world.glb";
+    let fake_foo = format!("(dynamic: {bla}, static: {static_world_path})");
+    let real_save_path = format!("{bla}.save.ron");
+    #[cfg(not(target_arch = "wasm32"))]
+    IoTaskPool::get()
+        .spawn(async move {
+            // Write the scene RON data to file
+            File::create(real_save_path)
+                .and_then(|mut file| file.write(fake_foo.as_bytes()))
+                .expect("Error while writing scene to file");
+        })
+        .detach();
 }
 
 pub(crate) fn cleanup_save(
@@ -178,4 +216,7 @@ pub(crate) fn cleanup_save(
     }
     // commands.remove_resource::<StaticEntitiesStorage>();
     saving_finished.send(SaveFinished);
+
+    commands.remove_resource::<SavingRequested>();
+
 }

examples/save_load/Cargo.toml

@@ -11,3 +11,8 @@ blenvy = { path = "../../crates/blenvy" }
 serde_json = "1.0.108"
 serde = "1.0.193"
 rand = "0.8.5"
+
+bevy-inspector-egui = { version = "0.25.1"}
+
+[dev-dependencies]
+bevy-inspector-egui = { version = "0.25.1"}

examples/save_load/assets/.save.ron

@@ -0,0 +1 @@
+(dynamic: assets/, static: levels/world.glb)

examples/save_load/assets/blueprints/Dynamic_hierarchy.meta.ron

@@ -0,0 +1,5 @@
+(
+  assets:
+   [ 
+   ]
+)

examples/save_load/assets/blueprints/Dynamic_inside_static.meta.ron

@@ -0,0 +1,7 @@
+(
+  assets:
+   [ 
+    ("Mover", File ( path: "blueprints/Mover.glb" )),
+    ("Material.001", File ( path: "materials/Material.001.glb" )),
+   ]
+)

examples/save_load/assets/levels/World.meta.ron

@@ -5,5 +5,9 @@
     ("Stone", File ( path: "materials/Stone.glb" )),
     ("Mover", File ( path: "blueprints/Mover.glb" )),
     ("Material.001", File ( path: "materials/Material.001.glb" )),
+    ("Dynamic_hierarchy", File ( path: "blueprints/Dynamic_hierarchy.glb" )),
+    ("Dynamic_inside_static", File ( path: "blueprints/Dynamic_inside_static.glb" )),
+    ("Mover", File ( path: "blueprints/Mover.glb" )),
+    ("Material.001", File ( path: "materials/Material.001.glb" )),
    ]
 )

examples/save_load/assets/registry.json

@@ -3609,6 +3609,30 @@
       "type": "object",
       "typeInfo": "Value"
     },
+    "bevy_egui::EguiSettings": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "bevy_egui::EguiSettings",
+      "properties": {
+        "default_open_url_target": {
+          "type": {
+            "$ref": "#/$defs/core::option::Option<alloc::string::String>"
+          }
+        },
+        "scale_factor": {
+          "type": {
+            "$ref": "#/$defs/f32"
+          }
+        }
+      },
+      "required": [
+        "scale_factor"
+      ],
+      "short_name": "EguiSettings",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
     "bevy_gizmos::aabb::AabbGizmoConfigGroup": {
       "additionalProperties": false,
       "isComponent": false,
@@ -12947,6 +12971,14 @@
       "type": "object",
       "typeInfo": "Value"
     },
+    "core::ops::Range<f64>": {
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "core::ops::Range<f64>",
+      "short_name": "Range<f64>",
+      "type": "object",
+      "typeInfo": "Value"
+    },
     "core::option::Option<(u8, u8)>": {
       "isComponent": false,
       "isResource": false,
@@ -13661,6 +13693,295 @@
       "type": "object",
       "typeInfo": "Struct"
     },
+    "glam::BVec2": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::BVec2",
+      "properties": {
+        "x": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y"
+      ],
+      "short_name": "BVec2",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::BVec3": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::BVec3",
+      "properties": {
+        "x": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z"
+      ],
+      "short_name": "BVec3",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::BVec3A": {
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::BVec3A",
+      "short_name": "BVec3A",
+      "type": "object",
+      "typeInfo": "Value"
+    },
+    "glam::BVec4": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::BVec4",
+      "properties": {
+        "w": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        },
+        "x": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/bool"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z",
+        "w"
+      ],
+      "short_name": "BVec4",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::BVec4A": {
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::BVec4A",
+      "short_name": "BVec4A",
+      "type": "object",
+      "typeInfo": "Value"
+    },
+    "glam::DAffine2": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DAffine2",
+      "properties": {
+        "matrix2": {
+          "type": {
+            "$ref": "#/$defs/glam::DMat2"
+          }
+        },
+        "translation": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec2"
+          }
+        }
+      },
+      "required": [
+        "matrix2",
+        "translation"
+      ],
+      "short_name": "DAffine2",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::DAffine3": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DAffine3",
+      "properties": {
+        "matrix3": {
+          "type": {
+            "$ref": "#/$defs/glam::DMat3"
+          }
+        },
+        "translation": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec3"
+          }
+        }
+      },
+      "required": [
+        "matrix3",
+        "translation"
+      ],
+      "short_name": "DAffine3",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::DMat2": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DMat2",
+      "properties": {
+        "x_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec2"
+          }
+        },
+        "y_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec2"
+          }
+        }
+      },
+      "required": [
+        "x_axis",
+        "y_axis"
+      ],
+      "short_name": "DMat2",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::DMat3": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DMat3",
+      "properties": {
+        "x_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec3"
+          }
+        },
+        "y_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec3"
+          }
+        },
+        "z_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec3"
+          }
+        }
+      },
+      "required": [
+        "x_axis",
+        "y_axis",
+        "z_axis"
+      ],
+      "short_name": "DMat3",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::DMat4": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DMat4",
+      "properties": {
+        "w_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec4"
+          }
+        },
+        "x_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec4"
+          }
+        },
+        "y_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec4"
+          }
+        },
+        "z_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::DVec4"
+          }
+        }
+      },
+      "required": [
+        "x_axis",
+        "y_axis",
+        "z_axis",
+        "w_axis"
+      ],
+      "short_name": "DMat4",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::DQuat": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DQuat",
+      "properties": {
+        "w": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "x": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z",
+        "w"
+      ],
+      "short_name": "DQuat",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
     "glam::DVec2": {
       "additionalProperties": false,
       "isComponent": false,
@@ -13686,6 +14007,74 @@
       "type": "object",
       "typeInfo": "Struct"
     },
+    "glam::DVec3": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DVec3",
+      "properties": {
+        "x": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z"
+      ],
+      "short_name": "DVec3",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::DVec4": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::DVec4",
+      "properties": {
+        "w": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "x": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/f64"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z",
+        "w"
+      ],
+      "short_name": "DVec4",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
     "glam::IVec2": {
       "additionalProperties": false,
       "isComponent": false,
@@ -13711,6 +14100,74 @@
       "type": "object",
       "typeInfo": "Struct"
     },
+    "glam::IVec3": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::IVec3",
+      "properties": {
+        "x": {
+          "type": {
+            "$ref": "#/$defs/i32"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/i32"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/i32"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z"
+      ],
+      "short_name": "IVec3",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
+    "glam::IVec4": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::IVec4",
+      "properties": {
+        "w": {
+          "type": {
+            "$ref": "#/$defs/i32"
+          }
+        },
+        "x": {
+          "type": {
+            "$ref": "#/$defs/i32"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/i32"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/i32"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z",
+        "w"
+      ],
+      "short_name": "IVec4",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
     "glam::Mat2": {
       "additionalProperties": false,
       "isComponent": false,
@@ -13736,6 +14193,37 @@
       "type": "object",
       "typeInfo": "Struct"
     },
+    "glam::Mat3": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::Mat3",
+      "properties": {
+        "x_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::Vec3"
+          }
+        },
+        "y_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::Vec3"
+          }
+        },
+        "z_axis": {
+          "type": {
+            "$ref": "#/$defs/glam::Vec3"
+          }
+        }
+      },
+      "required": [
+        "x_axis",
+        "y_axis",
+        "z_axis"
+      ],
+      "short_name": "Mat3",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
     "glam::Mat3A": {
       "additionalProperties": false,
       "isComponent": false,
@@ -13897,6 +14385,43 @@
       "type": "object",
       "typeInfo": "Struct"
     },
+    "glam::UVec4": {
+      "additionalProperties": false,
+      "isComponent": false,
+      "isResource": false,
+      "long_name": "glam::UVec4",
+      "properties": {
+        "w": {
+          "type": {
+            "$ref": "#/$defs/u32"
+          }
+        },
+        "x": {
+          "type": {
+            "$ref": "#/$defs/u32"
+          }
+        },
+        "y": {
+          "type": {
+            "$ref": "#/$defs/u32"
+          }
+        },
+        "z": {
+          "type": {
+            "$ref": "#/$defs/u32"
+          }
+        }
+      },
+      "required": [
+        "x",
+        "y",
+        "z",
+        "w"
+      ],
+      "short_name": "UVec4",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
     "glam::Vec2": {
       "additionalProperties": false,
       "isComponent": false,

examples/save_load/assets/scenes/save.scn.ron

@@ -8,22 +8,22 @@
       ),
       delta: (
         secs: 0,
-        nanos: 19854342,
+        nanos: 20094396,
       ),
-      delta_seconds: 0.019854343,
-      delta_seconds_f64: 0.019854342,
+      delta_seconds: 0.020094397,
+      delta_seconds_f64: 0.020094396,
       elapsed: (
-        secs: 0,
-        nanos: 579651002,
+        secs: 1,
+        nanos: 493224348,
       ),
-      elapsed_seconds: 0.579651,
-      elapsed_seconds_f64: 0.579651002,
+      elapsed_seconds: 1.4932244,
+      elapsed_seconds_f64: 1.493224348,
       elapsed_wrapped: (
-        secs: 0,
-        nanos: 579651002,
+        secs: 1,
+        nanos: 493224348,
       ),
-      elapsed_seconds_wrapped: 0.579651,
-      elapsed_seconds_wrapped_f64: 0.579651002,
+      elapsed_seconds_wrapped: 1.4932244,
+      elapsed_seconds_wrapped_f64: 1.493224348,
     ),
     "bevy_time::time::Time<bevy_time::virt::Virtual>": (
       context: (
@@ -41,22 +41,22 @@
       ),
       delta: (
         secs: 0,
-        nanos: 19854342,
+        nanos: 20094396,
       ),
-      delta_seconds: 0.019854343,
-      delta_seconds_f64: 0.019854342,
+      delta_seconds: 0.020094397,
+      delta_seconds_f64: 0.020094396,
       elapsed: (
-        secs: 0,
-        nanos: 579651002,
+        secs: 1,
+        nanos: 493224348,
       ),
-      elapsed_seconds: 0.579651,
-      elapsed_seconds_f64: 0.579651002,
+      elapsed_seconds: 1.4932244,
+      elapsed_seconds_f64: 1.493224348,
       elapsed_wrapped: (
-        secs: 0,
-        nanos: 579651002,
+        secs: 1,
+        nanos: 493224348,
       ),
-      elapsed_seconds_wrapped: 0.579651,
-      elapsed_seconds_wrapped_f64: 0.579651002,
+      elapsed_seconds_wrapped: 1.4932244,
+      elapsed_seconds_wrapped_f64: 1.493224348,
     ),
     "bevy_time::time::Time<bevy_time::fixed::Fixed>": (
       context: (
@@ -66,7 +66,7 @@
         ),
         overstep: (
           secs: 0,
-          nanos: 1526002,
+          nanos: 8849348,
         ),
       ),
       wrap_period: (
@@ -80,17 +80,17 @@
       delta_seconds: 0.015625,
       delta_seconds_f64: 0.015625,
       elapsed: (
-        secs: 0,
-        nanos: 578125000,
+        secs: 1,
+        nanos: 484375000,
       ),
-      elapsed_seconds: 0.578125,
-      elapsed_seconds_f64: 0.578125,
+      elapsed_seconds: 1.484375,
+      elapsed_seconds_f64: 1.484375,
       elapsed_wrapped: (
-        secs: 0,
-        nanos: 578125000,
+        secs: 1,
+        nanos: 484375000,
       ),
-      elapsed_seconds_wrapped: 0.578125,
-      elapsed_seconds_wrapped_f64: 0.578125,
+      elapsed_seconds_wrapped: 1.484375,
+      elapsed_seconds_wrapped_f64: 1.484375,
     ),
     "bevy_render::camera::clear_color::ClearColor": (Srgba((
       red: 0.16862746,
@@ -125,16 +125,68 @@
     "bevy_gizmos::config::GizmoConfigStore": (),
   },
   entities: {
-    4294967309: (
+    4294967311: (
       components: {
-        "blenvy::blueprints::spawn_from_blueprints::BlueprintInfo": (
-          name: "Mover",
-          path: "blueprints/Mover.glb",
-        ),
-        "blenvy::blueprints::spawn_from_blueprints::SpawnBlueprint": (),
         "bevy_transform::components::transform::Transform": (
           translation: (
-            x: 0.19871584,
+            x: -2.217765,
+            y: 1.2997229,
+            z: 2.3971958,
+          ),
+          rotation: (
+            x: 0.10570976,
+            y: 0.038342018,
+            z: 0.09289465,
+            w: 0.9893058,
+          ),
+          scale: (
+            x: 0.53947395,
+            y: 0.53947395,
+            z: 0.5394739,
+          ),
+        ),
+        "bevy_transform::components::global_transform::GlobalTransform": ((
+          matrix3: (
+            x_axis: (
+              x: 0.5285771,
+              y: 0.10352973,
+              z: -0.030331498,
+            ),
+            y_axis: (
+              x: -0.094783515,
+              y: 0.5181065,
+              z: 0.11667855,
+            ),
+            z_axis: (
+              x: 0.051521756,
+              y: -0.10899262,
+              z: 0.5258309,
+            ),
+          ),
+          translation: (
+            x: -2.2227652,
+            y: 1.2997229,
+            z: 2.3971958,
+          ),
+        )),
+        "blenvy::blueprints::spawn_from_blueprints::BlueprintInfo": (
+          name: "Dynamic_hierarchy",
+          path: "blueprints/Dynamic_hierarchy.glb",
+        ),
+        "bevy_core::name::Name": (
+          hash: 1803003925387469959,
+          name: "Dynamic_hierarchy",
+        ),
+        "blenvy::save_load::Dynamic": (),
+        "blenvy::blueprints::spawn_from_blueprints::SpawnBlueprint": (),
+        "bevy_render::view::visibility::InheritedVisibility": (true),
+      },
+    ),
+    4294967312: (
+      components: {
+        "bevy_transform::components::transform::Transform": (
+          translation: (
+            x: 0.2887157,
             y: 1.19514,
             z: -0.7909124,
           ),
@@ -169,17 +221,78 @@
             ),
           ),
           translation: (
-            x: 0.18871583,
+            x: 0.2837157,
             y: 1.19514,
             z: -0.7909124,
           ),
         )),
-        "bevy_hierarchy::components::parent::Parent": (21474836492),
+        "blenvy::blueprints::spawn_from_blueprints::BlueprintInfo": (
+          name: "Mover",
+          path: "blueprints/Mover.glb",
+        ),
         "bevy_core::name::Name": (
-          hash: 10742641839607126956,
+          hash: 3988719516189002069,
           name: "Mover",
         ),
         "blenvy::save_load::Dynamic": (),
+        "blenvy::blueprints::spawn_from_blueprints::SpawnBlueprint": (),
+        "bevy_render::view::visibility::InheritedVisibility": (true),
+      },
+    ),
+    21474836498: (
+      components: {
+        "bevy_transform::components::transform::Transform": (
+          translation: (
+            x: 1.6942285,
+            y: 0.50783855,
+            z: -2.0131574,
+          ),
+          rotation: (
+            x: 0.0,
+            y: 0.0,
+            z: 0.0,
+            w: 1.0,
+          ),
+          scale: (
+            x: 1.0,
+            y: 1.0,
+            z: 1.0,
+          ),
+        ),
+        "bevy_transform::components::global_transform::GlobalTransform": ((
+          matrix3: (
+            x_axis: (
+              x: 0.6095814,
+              y: 0.1066819,
+              z: -0.10043551,
+            ),
+            y_axis: (
+              x: -0.08811652,
+              y: 0.6102711,
+              z: 0.113412924,
+            ),
+            z_axis: (
+              x: 0.11706323,
+              y: -0.096156046,
+              z: 0.60836506,
+            ),
+          ),
+          translation: (
+            x: -1.6649909,
+            y: 1.184185,
+            z: 2.0619445,
+          ),
+        )),
+        "blenvy::blueprints::spawn_from_blueprints::BlueprintInfo": (
+          name: "Mover",
+          path: "blueprints/Mover.glb",
+        ),
+        "bevy_core::name::Name": (
+          hash: 14976337147749212273,
+          name: "Mover.001",
+        ),
+        "blenvy::save_load::Dynamic": (),
+        "blenvy::blueprints::spawn_from_blueprints::SpawnBlueprint": (),
         "bevy_render::view::visibility::InheritedVisibility": (true),
       },
     ),

examples/save_load/assets/scenes/save.scn.ron.save.ron

@@ -0,0 +1 @@
+(dynamic: assets/scenes/save.scn.ron, static: levels/world.glb)

examples/save_load/src/game/mod.rs

@@ -12,10 +12,10 @@ pub mod in_game_saving;
 pub use in_game_saving::*;
 
 use bevy::prelude::*;
-use blenvy::{LoadRequest, LoadingFinished, SaveRequest, SavingFinished};
+use blenvy::{LoadRequest, LoadingFinished, SavingRequest, SavingFinished};
 
 pub fn request_save(
-    mut save_requests: EventWriter<SaveRequest>,
+    mut save_requests: EventWriter<SavingRequest>,
     keycode: Res<ButtonInput<KeyCode>>,
 
     current_state: Res<State<GameState>>,
@@ -26,7 +26,7 @@ pub fn request_save(
         && (current_state.get() != &GameState::InSaving)
     {
         next_game_state.set(GameState::InSaving);
-        save_requests.send(SaveRequest {
+        save_requests.send(SavingRequest {
             path: "save.scn.ron".into(),
         });
     }

examples/save_load/src/main.rs

@@ -1,7 +1,7 @@
 use std::any::TypeId;
 
 use bevy::{prelude::*, utils::hashbrown::HashSet};
-use blenvy::{AddToGameWorld, BlenvyPlugin, BluePrintBundle, BlueprintInfo, Dynamic, DynamicBlueprintInstance, GameWorldTag, HideUntilReady, SaveRequest, SpawnBlueprint};
+use blenvy::{AddToGameWorld, BlenvyPlugin, BlueprintInfo, BlueprintWorld, Dynamic, DynamicBlueprintInstance, GameWorldTag, HideUntilReady, LoadingRequest, SavingRequest, SpawnBlueprint};
 use rand::Rng;
 
 // mod game;
@@ -9,11 +9,13 @@ use rand::Rng;
 
 mod component_examples;
 use component_examples::*;
+use bevy_inspector_egui::quick::WorldInspectorPlugin;
 
 fn main() {
     App::new()
         .add_plugins((
             DefaultPlugins.set(AssetPlugin::default()),
+            WorldInspectorPlugin::new(),
             BlenvyPlugin {
                 save_component_filter: SceneFilter::Allowlist(HashSet::from([
                     TypeId::of::<Name>(),
@@ -49,19 +51,10 @@ fn setup_game(
     mut commands: Commands,
 ) {
 
-    // here we spawn our game world/level, which is also a blueprint !
-    commands.spawn((
-        BlueprintInfo::from_path("levels/World.glb"), // all we need is a Blueprint info...
-        SpawnBlueprint, // and spawnblueprint to tell blenvy to spawn the blueprint now
-        HideUntilReady, // only reveal the level once it is ready
-        GameWorldTag,
-    ));
     
-     // here we spawn our game world/level, which is also a blueprint !
-     commands.spawn((
-        BlueprintInfo::from_path("levels/World_dynamic.glb"), // all we need is a Blueprint info...
-        SpawnBlueprint, // and spawnblueprint to tell blenvy to spawn the blueprint now
-        HideUntilReady, // only reveal the level once it is ready
+    // would be nice: contains both static & dynamic stuff
+    commands.spawn((
+        BlueprintWorld::from_path("levels/World.glb"), // will take care of loading both static & dynamic data
     ));
 }
 
@@ -97,47 +90,30 @@ fn move_movers(
     mut movers: Query<(&mut Transform), With<Dynamic>>
 ) {
     for mut transform in movers.iter_mut(){
-        println!("moving dynamic entity");
-        transform.translation.x += 0.01;
+        // println!("moving dynamic entity");
+        transform.translation.x += 0.005;
     }
 }
 
 fn save_game(
     keycode: Res<ButtonInput<KeyCode>>,
-    mut save_requests: EventWriter<SaveRequest>,
+    mut save_requests: EventWriter<SavingRequest>,
 ) {
     if keycode.just_pressed(KeyCode::KeyS) {
-        save_requests.send(SaveRequest {
+        save_requests.send(SavingRequest {
             path: "scenes/save.scn.ron".into(),
         });
     }
 }
 
-/* 
-pub fn request_save(
-    mut save_requests: EventWriter<SaveRequest>,
-    keycode: Res<ButtonInput<KeyCode>>,
-
-    current_state: Res<State<GameState>>,
-    mut next_game_state: ResMut<NextState<GameState>>,
-) {
-    if keycode.just_pressed(KeyCode::KeyS)
-        && (current_state.get() != &GameState::InLoading)
-        && (current_state.get() != &GameState::InSaving)
-    {
-        next_game_state.set(GameState::InSaving);
-        save_requests.send(SaveRequest {
-            path: "save.scn.ron".into(),
-        });
-    }
-}*/
-
-
 
 fn load_game(
     keycode: Res<ButtonInput<KeyCode>>,
+    mut load_requests: EventWriter<LoadingRequest>,
 ) {
     if keycode.just_pressed(KeyCode::KeyL) {
-
+        load_requests.send(LoadingRequest {
+            path: "scenes/save.scn.ron".into(),
+        });
     }
 }

testing/bevy_example/Cargo.toml

@@ -10,3 +10,6 @@ blenvy = { path = "../../crates/blenvy" }
 #bevy_editor_pls = { version = "0.8" }
 rand = "0.8.5"
 json-writer ="0.3"
+
+[dev-dependencies]
+bevy-inspector-egui = { version = "0.25.1"}

tools/blenvy/add_ons/auto_export/common/generate_temporary_scene_and_export.py

@@ -54,6 +54,7 @@ def generate_temporary_scene_and_export(settings, gltf_export_settings, gltf_out
         else:
             set_active_collection(bpy.context.scene, temp_root_collection.name)
             # generate contents of temporary scene
+            
             scene_filler_data = tempScene_filler(temp_root_collection)
             # export the temporary scene
             try:

tools/blenvy/add_ons/auto_export/levels/is_object_dynamic.py

@@ -3,7 +3,6 @@ import bpy
 from ...bevy_components.components.metadata import get_bevy_component_value_by_long_name
 
 # checks if an object is dynamic
-# TODO: for efficiency, it might make sense to write this flag semi automatically at the root level of the object so we can skip the inner loop
 # TODO: we need to recompute these on blueprint changes too
 # even better, keep a list of dynamic objects per scene , updated only when needed ?
 def is_object_dynamic(object):
@@ -15,18 +14,10 @@ def is_object_dynamic(object):
         # get the name of the collection this is an instance of
         collection_name = object.instance_collection.name
         original_collection = bpy.data.collections[collection_name]
-
-        is_dynamic = get_bevy_component_value_by_long_name(original_collection, 'blenvy::save_load::Dynamic') is not None
         # scan original collection, look for a 'Dynamic' flag
-        """for object in original_collection.objects:
-            #print(" inner", object)
-            if object.type == 'EMPTY': #and object.name.endswith("components"):
-                for component_name in object.keys():
-                    #print("   compo", component_name)
-                    if component_name == 'Dynamic':
-                        is_dynamic = True
-                        break"""
-    print("IS OBJECT DYNAMIC", object, is_dynamic)
+        is_dynamic = get_bevy_component_value_by_long_name(original_collection, 'blenvy::save_load::Dynamic') is not None
+        
+    #print("IS OBJECT DYNAMIC", object, is_dynamic)
 
     return is_dynamic
 

tools/blenvy/add_ons/auto_export/materials/get_materials_to_export.py

@@ -15,9 +15,10 @@ def get_materials_to_export(changes_per_material, changed_export_parameters, blu
     local_materials = [material for material in all_materials if material.library is None]
     materials_to_export = []
 
+    # print("export_materials_library", export_materials_library, "change detection", change_detection, "changed_export_parameters", changed_export_parameters)
     if export_materials_library and change_detection:
         if changed_export_parameters:
-            materials_to_export = [bpy.data.materials[material_name] for material_name in list(changes_per_material.keys())] # TODO: should be based on the list of materials in use
+            materials_to_export = local_materials
         else :
             changed_materials = [bpy.data.materials[material_name] for material_name in list(changes_per_material.keys())]
 

tools/blenvy/add_ons/bevy_components/components/ui.py

@@ -5,7 +5,7 @@ from ..utils import get_selected_item, get_selection_type
 from .metadata import do_item_custom_properties_have_missing_metadata, get_bevy_components
 
 
-def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_type="OBJECT", item_name=""):
+def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_type="OBJECT", item_name="", enabled=True):
     is_enum = getattr(propertyGroup, "with_enum")
     is_list = getattr(propertyGroup, "with_list") 
     is_map = getattr(propertyGroup, "with_map")
@@ -13,6 +13,7 @@ def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_
 
     # if it is an enum, the first field name is always the list of enum variants, the others are the variants
     field_names = propertyGroup.field_names
+    layout.enabled = enabled
     #print("")
     #print("drawing", propertyGroup, nesting, "component_name", rootName)
     if is_enum:
@@ -31,7 +32,7 @@ def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_
                 nested = getattr(nestedPropertyGroup, "nested", False)
                 #print("nestedPropertyGroup", nestedPropertyGroup, fname, nested)
                 if nested:
-                    draw_propertyGroup(nestedPropertyGroup, subrow.column(), nesting + [fname], rootName, item_type, item_name )
+                    draw_propertyGroup(nestedPropertyGroup, subrow.column(), nesting + [fname], rootName, item_type, item_name, enabled=enabled )
                 # if an enum variant is not a propertyGroup
                 break
     elif is_list:
@@ -39,12 +40,13 @@ def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_
         list_index = getattr(propertyGroup, "list_index")
         box = layout.box()
         split = box.split(factor=0.9)
+        box.enabled = enabled
         list_column, buttons_column = (split.column(),split.column())
 
         list_column = list_column.box()
         for index, item  in enumerate(item_list):
             row = list_column.row()
-            draw_propertyGroup(item, row, nesting, rootName, item_type)
+            draw_propertyGroup(item, row, nesting, rootName, item_type, enabled=enabled)
             icon = 'CHECKBOX_HLT' if list_index == index else 'CHECKBOX_DEHLT'
             op = row.operator('blenvy.component_list_actions', icon=icon, text="")
             op.action = 'SELECT'
@@ -100,10 +102,10 @@ def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_
             row = box.row()
             row.label(text="Add entry:")
             keys_setter = getattr(propertyGroup, "keys_setter")
-            draw_propertyGroup(keys_setter, row, nesting, rootName, item_type, item_name)
+            draw_propertyGroup(keys_setter, row, nesting, rootName, item_type, item_name, enabled=enabled)
 
             values_setter = getattr(propertyGroup, "values_setter")
-            draw_propertyGroup(values_setter, row, nesting, rootName, item_type, item_name)
+            draw_propertyGroup(values_setter, row, nesting, rootName, item_type, item_name, enabled=enabled)
 
             op = row.operator('blenvy.component_map_actions', icon='ADD', text="")
             op.action = 'ADD'
@@ -119,10 +121,10 @@ def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_
 
             for index, item  in enumerate(keys_list):
                 row = list_column.row()
-                draw_propertyGroup(item, row, nesting, rootName, item_type, item_name)
+                draw_propertyGroup(item, row, nesting, rootName, item_type, item_name, enabled=enabled)
 
                 value = values_list[index]
-                draw_propertyGroup(value, row, nesting, rootName, item_type, item_name)
+                draw_propertyGroup(value, row, nesting, rootName, item_type, item_name, enabled=enabled)
 
                 op = row.operator('blenvy.component_map_actions', icon='REMOVE', text="")
                 op.action = 'REMOVE'
@@ -151,7 +153,7 @@ def draw_propertyGroup( propertyGroup, layout, nesting =[], rootName=None, item_
                 layout.label(text=display_name) #  this is the name of the field/sub field
                 layout.separator()
                 subrow = layout.row()
-                draw_propertyGroup(nestedPropertyGroup, subrow, nesting + [fname], rootName, item_type, item_name )
+                draw_propertyGroup(nestedPropertyGroup, subrow, nesting + [fname], rootName, item_type, item_name, enabled )
             else:
                 subrow = layout.row()
                 subrow.prop(propertyGroup, fname, text=display_name)
@@ -233,6 +235,9 @@ def draw_component_ui(layout, object_or_collection, registry, selected_component
     item_name = object_or_collection.name
     #print("components_names", dict(components_bla).keys())
 
+    #FIXME: move out, highly inneficient
+    internal_components = ['BlueprintInfos', 'blenvy::blueprints::materials::MaterialInfos']
+
     for component_name in sorted(get_bevy_components(object_or_collection)) : # sorted by component name, practical
         if component_name == "components_meta": 
             continue
@@ -244,7 +249,9 @@ def draw_component_ui(layout, object_or_collection, registry, selected_component
         component_invalid = getattr(component_meta, "invalid")
         invalid_details = getattr(component_meta, "invalid_details")
         component_visible = getattr(component_meta, "visible")
+        component_internal = component_name in internal_components # internal components are not editable ?
         single_field = False
+        label = f"{component_name}{' (internal)' if component_internal else ''}"
 
         # our whole row 
         box = layout.box() 
@@ -252,7 +259,8 @@ def draw_component_ui(layout, object_or_collection, registry, selected_component
         # "header"
         row.alert = component_invalid
         row.prop(component_meta, "enabled", text="")
-        row.label(text=component_name)
+        row.label(text=label)
+        #row.enabled = not component_internal
 
         # we fetch the matching ui property group
         root_propertyGroup_name = registry.get_propertyGroupName_from_longName(component_name)
@@ -272,7 +280,7 @@ def draw_component_ui(layout, object_or_collection, registry, selected_component
                         error_message = invalid_details if component_invalid else "Missing component UI data, please reload registry !"
                         prop_group_location.label(text=error_message)
                     else:
-                        draw_propertyGroup(propertyGroup, prop_group_location, [root_propertyGroup_name], component_name, item_type, item_name)
+                        draw_propertyGroup(propertyGroup, prop_group_location, [root_propertyGroup_name], component_name, item_type, item_name, enabled=not component_internal)
                 else :
                     row.label(text="details hidden, click on toggle to display")
             else:
@@ -293,17 +301,18 @@ def draw_component_ui(layout, object_or_collection, registry, selected_component
                         op.component_name = component_name
                         row.separator()
 
-        op = row.operator("blenvy.component_remove", text="", icon="X")
-        op.component_name = component_name
-        op.item_name = object_or_collection.name
-        op.item_type = get_selection_type(object_or_collection)
-        row.separator()
+        if not component_internal:
+            op = row.operator("blenvy.component_remove", text="", icon="X")
+            op.component_name = component_name
+            op.item_name = object_or_collection.name
+            op.item_type = get_selection_type(object_or_collection)
+            row.separator()
             
-        op = row.operator("blenvy.component_copy", text="", icon="COPYDOWN")
-        op.source_component_name = component_name
-        op.source_item_name = object_or_collection.name
-        op.source_item_type = get_selection_type(object_or_collection)
-        row.separator()
+            op = row.operator("blenvy.component_copy", text="", icon="COPYDOWN")
+            op.source_component_name = component_name
+            op.source_item_name = object_or_collection.name
+            op.source_item_type = get_selection_type(object_or_collection)
+            row.separator()
         
         #if not single_field:
         toggle_icon = "TRIA_DOWN" if component_visible else "TRIA_RIGHT"
@@ -388,7 +397,7 @@ class BLENVY_PT_component_tools_panel(bpy.types.Panel):
             self.draw_invalid_or_unregistered(layout, status, custom_property, item, item_type)
 
     def gather_invalid_item_data(self, item, invalid_component_names, items_with_invalid_components, items_with_original_components, original_name, item_type):
-        blenvy_custom_properties = ['components_meta', 'bevy_components', 'user_assets', 'generated_assets', 'BlueprintAssets', 'export_path' ] # some of our own hard coded custom properties that should be ignored
+        blenvy_custom_properties = ['components_meta', 'bevy_components', 'user_assets', 'generated_assets', 'BlueprintAssets', 'export_path', 'MaterialInfos' ] # some of our own hard coded custom properties that should be ignored
         upgreadable_entries = []
 
         if "components_meta" in item or hasattr(item, "components_meta"): # FIXME; wrong way of determining

tools/blenvy/add_ons/bevy_components/settings.py

@@ -32,6 +32,7 @@ def watch_schema():
     blenvy = bpy.context.window_manager.blenvy
     component_settings = blenvy.components
     #print("watching schema file for changes")
+    reloading_registry = False
     try:
         stamp = os.stat(component_settings.schema_path_full).st_mtime
         stamp = str(stamp)
@@ -47,11 +48,19 @@ def watch_schema():
             # we need to add an additional delay as the file might not have loaded yet
             bpy.app.timers.register(lambda: bpy.ops.blenvy.components_registry_reload(), first_interval=1)
             component_settings.schemaTimeStamp = stamp
+            reloading_registry = True
 
         if component_settings.schemaTimeStamp == "":
             component_settings.schemaTimeStamp = stamp
     except Exception as error:
         pass
+
+    # if there is no registry loaded yet, try to load it
+    """registry = bpy.context.window_manager.components_registry
+    if not reloading_registry and len(list(registry.type_infos.keys())) == 0:
+        print("reload registry here")
+        bpy.app.timers.register(lambda: bpy.ops.blenvy.components_registry_reload(), first_interval=1)"""
+
     return component_settings.watcher_poll_frequency if component_settings.watcher_enabled else None
 
 class ComponentsSettings(PropertyGroup):

tools/blenvy/materials/materials_helpers.py

@@ -1,6 +1,7 @@
 import os
 import posixpath
 from ..core.helpers_collections import (traverse_tree)
+from ..add_ons.bevy_components.components.metadata import apply_propertyGroup_values_to_item_customProperties_for_component, upsert_bevy_component, get_bevy_component_value_by_long_name
 
 def find_materials_not_on_disk(materials, materials_path_full, extension):
     not_found_materials = []
@@ -79,6 +80,7 @@ def get_all_materials(collection_names, library_scenes):
     used_material_names = list(set(used_material_names))
     return (used_material_names, materials_per_object)
 
+import bpy
 def add_material_info_to_objects(materials_per_object, settings):
     materials_path =  getattr(settings, "materials_path")
     export_gltf_extension = getattr(settings, "export_gltf_extension", ".glb")
@@ -90,8 +92,13 @@ def add_material_info_to_objects(materials_per_object, settings):
             material_infos.append(material_info)
         # problem with using actual components: you NEED the type registry/component infos, so if there is none , or it is not loaded yet, it does not work
         # for a few components we could hardcode this
-        #bpy.ops.blenvy.component_add(target_item_name=object.name, target_item_type="OBJECT", component_type="blenvy::blueprints::materials::MaterialInfos", component_value=component_value)
-        object['MaterialInfos'] = f"({material_infos})".replace("'","") 
+        component_value = f"({material_infos})".replace("'","")
+        try:
+            bpy.ops.blenvy.component_add(target_item_name=object.name, target_item_type="OBJECT", component_type="blenvy::blueprints::materials::MaterialInfos", component_value=component_value )
+        except:
+            object['MaterialInfos'] = f"({material_infos})".replace("'","") 
+            #upsert_bevy_component(object, "blenvy::blueprints::materials::MaterialInfos", f"({material_infos})".replace("'","") )
+            #apply_propertyGroup_values_to_item_customProperties_for_component(object, "MaterialInfos")
         print("adding materialInfos to object", object, "material infos", material_infos)