README.md

@@ -93,7 +93,6 @@ Thanks to all the contributors helping out with this project ! Big kudos to you,
 - [yukkop](https://github.com/yukkop)
 - [killercup](https://github.com/killercup)
 - [janhohenheim ](https://github.com/janhohenheim)
-- [BUGO07](https://github.com/BUGO07)
 
 ## License
 

TODO.md

@@ -112,6 +112,7 @@ General issues:
     - they normally need/have unique export paths (otherwise, user error, perhaps show it ?)
     - perhaps a simple hashing of the parent's path would be enought 
 
+
  - [x] addon-prefs => settings
  - [x] generate_gltf_export_settings => should not use add-on prefs at all ? since we are not overriding gltf settings that way anymore ?
  - [x] remove hard coded path for standard gltf settings
@@ -120,6 +121,7 @@ General issues:
     - [x] components
     - [x] add handling of errors when trying to load settings
 
+
 - [x] fix auto export workflow
 - [x] add hashing of modifiers/ geometry nodes in serialize scene
 - [x] add ability to FORCE export specific blueprints & levels
@@ -238,10 +240,6 @@ Blender side:
     - [ ] blueprint instances as children of blueprint instances
     - [ ] blueprint instances as children of empties
 
-- [x] check/ fix behaviour of blender plugin if all folders are the same (ie, all in assets for example)
-- [x] rename all "main scene xx" to "level scene"
-- [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
 
 Bevy Side:
 - [x] deprecate BlueprintName & BlueprintPath & use BlueprintInfo instead
@@ -311,9 +309,9 @@ Bevy Side:
 - [ ] replace string in BlueprintInfo path with PathBuf ?
 
 - [ ] update main docs
-    - [x] rename project to Blenvy
+    - [ ] rename project to Blenvy
     - [ ] replace all references to the old 2 add-ons with those to Blenvy
-- [x] rename repo to "Blenvy"
+- [ ] rename repo to "Blenvy"
-- [x] do a deprecation release of all bevy_gltf_xxx crates to point at the new Blenvy crate
+- [ ] do a deprecation release of all bevy_gltf_xxx crates to point at the new Blenvy crate
 
 clear && pytest -svv --blender-template ../../testing/bevy_example/art/testing_library.blend --blender-executable /home/ckaos/tools/blender/blender-4.1.0-linux-x64/blender tests/test_bevy_integration_prepare.py  && pytest -svv --blender-executable /home/ckaos/tools/blender/blender-4.1.0-linux-x64/blender tests/test_bevy_integration.py

crates/bevy_gltf_blueprints/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "bevy_gltf_blueprints"
+version = "0.11.0"
+authors = ["Mark 'kaosat-dev' Moissette"]
+description = "Adds the ability to define Blueprints/Prefabs for Bevy inside gltf files and spawn them in Bevy."
+homepage = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+repository = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+keywords = ["gamedev", "bevy", "gltf", "blueprint", "prefab"]
+categories = ["game-development"]
+edition = "2021"
+license = "MIT OR Apache-2.0"
+
+[lints]
+workspace = true
+
+[dependencies]
+bevy_gltf_components = { version = "0.6", path = "../bevy_gltf_components" }
+bevy = { version = "0.14", default-features = false, features = ["bevy_asset", "bevy_scene", "bevy_gltf", "bevy_animation", "animation"] }
+
+[dev-dependencies]
+bevy = { version = "0.14", default-features = false, features = ["dynamic_linking"] }

crates/bevy_gltf_blueprints/LICENSE.md

@@ -0,0 +1,4 @@
+This crate is available under either:
+
+* The [MIT License](./LICENSE_MIT)
+* The [Apache License, Version 2.0](./LICENSE_APACHE)

crates/bevy_gltf_blueprints/LICENSE_APACHE.md

@@ -0,0 +1,201 @@
+                                 Apache License
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+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
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+
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crates/bevy_gltf_blueprints/LICENSE_MIT.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Mark "kaosat-dev" Moissette
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

crates/bevy_gltf_blueprints/src/aabb.rs

@@ -0,0 +1,61 @@
+use bevy::{math::Vec3A, prelude::*, render::primitives::Aabb};
+
+use crate::{BluePrintsConfig, Spawned};
+
+/// helper system that computes the compound aabbs of the scenes/blueprints
+pub fn compute_scene_aabbs(
+    root_entities: Query<(Entity, &Name), (With<Spawned>, Without<Aabb>)>,
+    children: Query<&Children>,
+    existing_aabbs: Query<&Aabb>,
+
+    mut blueprints_config: ResMut<BluePrintsConfig>,
+    mut commands: Commands,
+) {
+    // compute compound aabb
+    for (root_entity, name) in root_entities.iter() {
+        // info!("generating aabb for {:?}", name);
+
+        // only recompute aabb if it has not already been done before
+        if blueprints_config.aabb_cache.contains_key(&name.to_string()) {
+            let aabb = blueprints_config
+                .aabb_cache
+                .get(&name.to_string())
+                .expect("we should have the aabb available");
+            commands.entity(root_entity).insert(*aabb);
+        } else {
+            let aabb = compute_descendant_aabb(root_entity, &children, &existing_aabbs);
+            commands.entity(root_entity).insert(aabb);
+            blueprints_config.aabb_cache.insert(name.to_string(), aabb);
+        }
+    }
+}
+
+pub fn compute_descendant_aabb(
+    root_entity: Entity,
+    children: &Query<&Children>,
+    existing_aabbs: &Query<&Aabb>,
+) -> Aabb {
+    if let Ok(children_list) = children.get(root_entity) {
+        let mut chilren_aabbs: Vec<Aabb> = vec![];
+        for child in children_list.iter() {
+            if let Ok(aabb) = existing_aabbs.get(*child) {
+                chilren_aabbs.push(*aabb);
+            } else {
+                let aabb = compute_descendant_aabb(*child, children, existing_aabbs);
+                chilren_aabbs.push(aabb);
+            }
+        }
+
+        let mut min = Vec3A::splat(f32::MAX);
+        let mut max = Vec3A::splat(f32::MIN);
+        for aabb in chilren_aabbs.iter() {
+            min = min.min(aabb.min());
+            max = max.max(aabb.max());
+        }
+        let aabb = Aabb::from_min_max(Vec3::from(min), Vec3::from(max));
+
+        return aabb;
+    }
+
+    Aabb::default()
+}

crates/bevy_gltf_blueprints/src/animation.rs

@@ -0,0 +1,18 @@
+use bevy::prelude::*;
+use bevy::utils::HashMap;
+
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+/// storage for animations for a given entity (hierarchy), essentially a clone of gltf's `named_animations`
+pub struct Animations {
+    pub named_animations: HashMap<String, Handle<AnimationClip>>,
+    pub named_indices: HashMap<String, AnimationNodeIndex>,
+    pub graph: Handle<AnimationGraph>,
+}
+
+#[derive(Component, Debug)]
+/// Stop gap helper component : this is inserted into a "root" entity (an entity representing a whole gltf file)
+/// so that the root entity knows which of its children contains an actualy `AnimationPlayer` component
+/// this is for convenience, because currently , Bevy's gltf parsing inserts `AnimationPlayers` "one level down"
+/// ie armature/root for animated models, which means more complex queries to trigger animations that we want to avoid
+pub struct AnimationPlayerLink(pub Entity);

crates/bevy_gltf_blueprints/src/assets.rs

@@ -0,0 +1,60 @@
+use std::path::{Path, PathBuf};
+
+use bevy::{asset::LoadedUntypedAsset, gltf::Gltf, prelude::*, utils::HashMap};
+
+use crate::{BluePrintsConfig, BlueprintAnimations};
+
+/// helper component, is used to store the list of sub blueprints to enable automatic loading of dependend blueprints
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+pub struct BlueprintAsset {
+    pub name: String,
+    pub path: String,
+}
+
+/// helper component, is used to store the list of sub blueprints to enable automatic loading of dependend blueprints
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+pub struct LocalAssets(pub Vec<BlueprintAsset>);
+
+/// helper component, is used to store the list of sub blueprints to enable automatic loading of dependend blueprints
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+pub struct BlueprintAssets(pub Vec<BlueprintAsset>);
+
+////////////////////////
+///
+/// flag component, usually added when a blueprint is loaded
+#[derive(Component)]
+pub(crate) struct BlueprintAssetsLoaded;
+/// flag component
+#[derive(Component)]
+pub(crate) struct BlueprintAssetsNotLoaded;
+
+/// helper component, for tracking loaded assets's loading state, id , handle etc
+#[derive(Debug)]
+pub(crate) struct AssetLoadTracker {
+    #[allow(dead_code)]
+    pub name: String,
+    pub id: AssetId<LoadedUntypedAsset>,
+    pub loaded: bool,
+    #[allow(dead_code)]
+    pub handle: Handle<LoadedUntypedAsset>,
+}
+
+/// helper component, for tracking loaded assets
+#[derive(Component, Debug)]
+pub(crate) struct AssetsToLoad {
+    pub all_loaded: bool,
+    pub asset_infos: Vec<AssetLoadTracker>,
+    pub progress: f32,
+}
+impl Default for AssetsToLoad {
+    fn default() -> Self {
+        Self {
+            all_loaded: Default::default(),
+            asset_infos: Default::default(),
+            progress: Default::default(),
+        }
+    }
+}

crates/bevy_gltf_blueprints/src/copy_components.rs

@@ -0,0 +1,106 @@
+use bevy::{ecs::world::Command, prelude::*};
+use std::any::TypeId;
+
+// originally based  https://github.com/bevyengine/bevy/issues/1515,
+// more specifically https://gist.github.com/nwtnni/85d6b87ae75337a522166c500c9a8418
+// to work with Bevy 0.11
+// to copy components between entities but NOT overwriting any existing components
+// plus some bells & whistles
+pub struct CopyComponents {
+    pub source: Entity,
+    pub destination: Entity,
+    pub exclude: Vec<TypeId>,
+    pub stringent: bool,
+}
+
+impl CopyComponents {
+    // Copy all components from an entity to another.
+    // Using an entity with no components as the destination creates a copy of the source entity.
+    // Panics if:
+    // - the components are not registered in the type registry,
+    // - the world does not have a type registry
+    // - the source or destination entity do not exist
+    fn transfer_components(self, world: &mut World) {
+        let components = {
+            let registry = world
+                .get_resource::<AppTypeRegistry>()
+                .expect("the world should have a type registry")
+                .read();
+
+            world
+                .get_entity(self.source)
+                .expect("source entity should exist")
+                .archetype()
+                .components()
+                .filter_map(|component_id| {
+                    let component_info = world
+                        .components()
+                        .get_info(component_id)
+                        .expect("component info should be available");
+
+                    let type_id = component_info.type_id().unwrap();
+                    if self.exclude.contains(&type_id) {
+                        debug!("excluding component: {:?}", component_info.name());
+                        None
+                    } else {
+                        debug!(
+                            "cloning: component: {:?} {:?}",
+                            component_info.name(),
+                            type_id
+                        );
+
+                        if let Some(type_registration) = registry.get(type_id) {
+                            Some(type_registration)
+                        } else if self.stringent {
+                            return Some(registry.get(type_id).unwrap_or_else(|| {
+                                panic!(
+                                    "cannot clone entity: component: {:?} is not registered",
+                                    component_info.name()
+                                )
+                            }));
+                        } else {
+                            warn!(
+                                "cannot clone component: component: {:?} is not registered",
+                                component_info.name()
+                            );
+                            None
+                        }
+                    }
+                })
+                .map(|type_id| {
+                    return (
+                        type_id.data::<ReflectComponent>().unwrap().clone(),
+                        type_id.type_info().type_id(), // we need the original type_id down the line
+                    );
+                })
+                .collect::<Vec<_>>()
+        };
+
+        for (component, type_id) in components {
+            let type_registry: &AppTypeRegistry = world.resource();
+            let type_registry = type_registry.clone();
+            let type_registry = type_registry.read();
+            let source = component
+                .reflect(world.get_entity(self.source).unwrap())
+                .unwrap()
+                .clone_value();
+
+            let mut destination = world
+                .get_entity_mut(self.destination)
+                .expect("destination entity should exist");
+
+            // println!("contains typeid {:?} {}", type_id, destination.contains_type_id(type_id));
+            // we only want to copy components that are NOT already in the destination (ie no overwriting existing components)
+            if !destination.contains_type_id(type_id) {
+                component.insert(&mut destination, &*source, &type_registry);
+            }
+        }
+    }
+}
+
+// This allows the command to be used in systems
+impl Command for CopyComponents {
+    fn apply(self, world: &mut World) {
+        self.transfer_components(world);
+    }
+}

crates/bevy_gltf_blueprints/src/lib.rs

@@ -0,0 +1,180 @@
+pub mod spawn_from_blueprints;
+pub use spawn_from_blueprints::*;
+
+pub mod spawn_post_process;
+pub(crate) use spawn_post_process::*;
+
+pub mod animation;
+pub use animation::*;
+
+pub mod aabb;
+pub use aabb::*;
+
+pub mod materials;
+pub use materials::*;
+
+pub mod copy_components;
+pub use copy_components::*;
+
+use core::fmt;
+use std::path::PathBuf;
+
+use bevy::{
+    prelude::*,
+    render::{primitives::Aabb, view::VisibilitySystems},
+    utils::HashMap,
+};
+use bevy_gltf_components::{ComponentsFromGltfPlugin, GltfComponentsSet};
+
+#[derive(SystemSet, Debug, Hash, PartialEq, Eq, Clone)]
+/// set for the two stages of blueprint based spawning :
+pub enum GltfBlueprintsSet {
+    Spawn,
+    AfterSpawn,
+}
+
+#[derive(Bundle)]
+pub struct BluePrintBundle {
+    pub blueprint: BlueprintName,
+    pub spawn_here: SpawnHere,
+}
+impl Default for BluePrintBundle {
+    fn default() -> Self {
+        BluePrintBundle {
+            blueprint: BlueprintName("default".into()),
+            spawn_here: SpawnHere,
+        }
+    }
+}
+
+#[derive(Clone, Resource)]
+pub struct BluePrintsConfig {
+    pub(crate) format: GltfFormat,
+    pub(crate) library_folder: PathBuf,
+    pub(crate) aabbs: bool,
+    pub(crate) aabb_cache: HashMap<String, Aabb>, // cache for aabbs
+
+    pub(crate) material_library: bool,
+    pub(crate) material_library_folder: PathBuf,
+    pub(crate) material_library_cache: HashMap<String, Handle<StandardMaterial>>,
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash, Default)]
+pub enum GltfFormat {
+    #[default]
+    GLB,
+    GLTF,
+}
+
+impl fmt::Display for GltfFormat {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            GltfFormat::GLB => {
+                write!(f, "glb",)
+            }
+            GltfFormat::GLTF => {
+                write!(f, "gltf")
+            }
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+/// Plugin for gltf blueprints
+pub struct BlueprintsPlugin {
+    pub legacy_mode: bool, // flag that gets passed on to bevy_gltf_components
+
+    pub format: GltfFormat,
+    /// The base folder where library/blueprints assets are loaded from, relative to the executable.
+    pub library_folder: PathBuf,
+    /// Automatically generate aabbs for the blueprints root objects
+    pub aabbs: bool,
+    ///
+    pub material_library: bool,
+    pub material_library_folder: PathBuf,
+}
+
+impl Default for BlueprintsPlugin {
+    fn default() -> Self {
+        Self {
+            legacy_mode: true,
+            format: GltfFormat::GLB,
+            library_folder: PathBuf::from("models/library"),
+            aabbs: false,
+            material_library: false,
+            material_library_folder: PathBuf::from("materials"),
+        }
+    }
+}
+
+fn aabbs_enabled(blueprints_config: Res<BluePrintsConfig>) -> bool {
+    blueprints_config.aabbs
+}
+
+fn materials_library_enabled(blueprints_config: Res<BluePrintsConfig>) -> bool {
+    blueprints_config.material_library
+}
+
+impl Plugin for BlueprintsPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_plugins(ComponentsFromGltfPlugin {
+            legacy_mode: self.legacy_mode,
+        })
+        .register_type::<BlueprintName>()
+        .register_type::<MaterialInfo>()
+        .register_type::<SpawnHere>()
+        .register_type::<Animations>()
+        .register_type::<BlueprintsList>()
+        .register_type::<Vec<String>>()
+        .register_type::<HashMap<String, Vec<String>>>()
+        .insert_resource(BluePrintsConfig {
+            format: self.format,
+            library_folder: self.library_folder.clone(),
+
+            aabbs: self.aabbs,
+            aabb_cache: HashMap::new(),
+
+            material_library: self.material_library,
+            material_library_folder: self.material_library_folder.clone(),
+            material_library_cache: HashMap::new(),
+        })
+        .configure_sets(
+            Update,
+            (GltfBlueprintsSet::Spawn, GltfBlueprintsSet::AfterSpawn)
+                .chain()
+                .after(GltfComponentsSet::Injection),
+        )
+        .add_systems(
+            Update,
+            (
+                (
+                    prepare_blueprints,
+                    check_for_loaded,
+                    spawn_from_blueprints,
+                    apply_deferred,
+                )
+                    .chain(),
+                (compute_scene_aabbs, apply_deferred)
+                    .chain()
+                    .run_if(aabbs_enabled),
+                apply_deferred,
+                (
+                    materials_inject,
+                    check_for_material_loaded,
+                    materials_inject2,
+                )
+                    .chain()
+                    .run_if(materials_library_enabled),
+            )
+                .chain()
+                .in_set(GltfBlueprintsSet::Spawn),
+        )
+        .add_systems(
+            PostUpdate,
+            (spawned_blueprint_post_process, apply_deferred)
+                .chain()
+                .in_set(GltfBlueprintsSet::AfterSpawn)
+                .before(VisibilitySystems::CheckVisibility),
+        );
+    }
+}

crates/bevy_gltf_blueprints/src/materials.rs

@@ -0,0 +1,201 @@
+use std::path::Path;
+
+use bevy::{
+    asset::{AssetServer, Assets, Handle},
+    ecs::{
+        component::Component,
+        entity::Entity,
+        query::{Added, With},
+        reflect::ReflectComponent,
+        system::{Commands, Query, Res, ResMut},
+    },
+    gltf::Gltf,
+    hierarchy::{Children, Parent},
+    log::debug,
+    pbr::StandardMaterial,
+    reflect::Reflect,
+    render::mesh::Mesh,
+};
+
+use crate::{AssetLoadTracker, AssetsToLoad, BluePrintsConfig};
+
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+/// struct containing the name & source of the material to apply
+pub struct MaterialInfo {
+    pub name: String,
+    pub source: String,
+}
+
+/// flag component
+#[derive(Component)]
+pub(crate) struct BlueprintMaterialAssetsLoaded;
+/// flag component
+#[derive(Component)]
+pub(crate) struct BlueprintMaterialAssetsNotLoaded;
+
+/// system that injects / replaces materials from material library
+pub(crate) fn materials_inject(
+    blueprints_config: ResMut<BluePrintsConfig>,
+    material_infos: Query<(Entity, &MaterialInfo), Added<MaterialInfo>>,
+    asset_server: Res<AssetServer>,
+    mut commands: Commands,
+) {
+    for (entity, material_info) in material_infos.iter() {
+        let model_file_name = format!(
+            "{}_materials_library.{}",
+            &material_info.source, &blueprints_config.format
+        );
+        let materials_path = Path::new(&blueprints_config.material_library_folder)
+            .join(Path::new(model_file_name.as_str()));
+        let material_name = &material_info.name;
+        let material_full_path = materials_path.to_str().unwrap().to_string() + "#" + material_name; // TODO: yikes, cleanup
+
+        if blueprints_config
+            .material_library_cache
+            .contains_key(&material_full_path)
+        {
+            debug!("material is cached, retrieving");
+            blueprints_config
+                .material_library_cache
+                .get(&material_full_path)
+                .expect("we should have the material available");
+            commands
+                .entity(entity)
+                .insert(BlueprintMaterialAssetsLoaded);
+        } else {
+            let material_file_handle: Handle<Gltf> = asset_server.load(materials_path.clone());
+            let material_file_id = material_file_handle.id();
+            let asset_infos: Vec<AssetLoadTracker<Gltf>> = vec![AssetLoadTracker {
+                name: material_full_path,
+                id: material_file_id,
+                loaded: false,
+                handle: material_file_handle.clone(),
+            }];
+
+            commands
+                .entity(entity)
+                .insert(AssetsToLoad {
+                    all_loaded: false,
+                    asset_infos,
+                    ..Default::default()
+                })
+                .insert(BlueprintMaterialAssetsNotLoaded);
+            /**/
+        }
+    }
+}
+
+// TODO, merge with check_for_loaded, make generic ?
+pub(crate) fn check_for_material_loaded(
+    mut blueprint_assets_to_load: Query<
+        (Entity, &mut AssetsToLoad<Gltf>),
+        With<BlueprintMaterialAssetsNotLoaded>,
+    >,
+    asset_server: Res<AssetServer>,
+    mut commands: Commands,
+) {
+    for (entity, mut assets_to_load) in blueprint_assets_to_load.iter_mut() {
+        let mut all_loaded = true;
+        let mut loaded_amount = 0;
+        let total = assets_to_load.asset_infos.len();
+        for tracker in assets_to_load.asset_infos.iter_mut() {
+            let asset_id = tracker.id;
+            let loaded = asset_server.is_loaded_with_dependencies(asset_id);
+            tracker.loaded = loaded;
+            if loaded {
+                loaded_amount += 1;
+            } else {
+                all_loaded = false;
+            }
+        }
+        let progress: f32 = loaded_amount as f32 / total as f32;
+        assets_to_load.progress = progress;
+
+        if all_loaded {
+            assets_to_load.all_loaded = true;
+            commands
+                .entity(entity)
+                .insert(BlueprintMaterialAssetsLoaded)
+                .remove::<BlueprintMaterialAssetsNotLoaded>();
+        }
+    }
+}
+
+/// system that injects / replaces materials from material library
+pub(crate) fn materials_inject2(
+    mut blueprints_config: ResMut<BluePrintsConfig>,
+    material_infos: Query<
+        (&MaterialInfo, &Children),
+        (
+            Added<BlueprintMaterialAssetsLoaded>,
+            With<BlueprintMaterialAssetsLoaded>,
+        ),
+    >,
+    with_materials_and_meshes: Query<
+        (),
+        (
+            With<Parent>,
+            With<Handle<StandardMaterial>>,
+            With<Handle<Mesh>>,
+        ),
+    >,
+    assets_gltf: Res<Assets<Gltf>>,
+    asset_server: Res<AssetServer>,
+
+    mut commands: Commands,
+) {
+    for (material_info, children) in material_infos.iter() {
+        let model_file_name = format!(
+            "{}_materials_library.{}",
+            &material_info.source, &blueprints_config.format
+        );
+        let materials_path = Path::new(&blueprints_config.material_library_folder)
+            .join(Path::new(model_file_name.as_str()));
+        let material_name = &material_info.name;
+
+        let material_full_path = materials_path.to_str().unwrap().to_string() + "#" + material_name; // TODO: yikes, cleanup
+        let mut material_found: Option<&Handle<StandardMaterial>> = None;
+
+        if blueprints_config
+            .material_library_cache
+            .contains_key(&material_full_path)
+        {
+            debug!("material is cached, retrieving");
+            let material = blueprints_config
+                .material_library_cache
+                .get(&material_full_path)
+                .expect("we should have the material available");
+            material_found = Some(material);
+        } else {
+            let model_handle: Handle<Gltf> = asset_server.load(materials_path.clone()); // FIXME: kinda weird now
+            let mat_gltf = assets_gltf
+                .get(model_handle.id())
+                .expect("material should have been preloaded");
+            if mat_gltf.named_materials.contains_key(material_name as &str) {
+                let material = mat_gltf
+                    .named_materials
+                    .get(material_name as &str)
+                    .expect("this material should have been loaded");
+                blueprints_config
+                    .material_library_cache
+                    .insert(material_full_path, material.clone());
+                material_found = Some(material);
+            }
+        }
+
+        if let Some(material) = material_found {
+            for child in children.iter() {
+                if with_materials_and_meshes.contains(*child) {
+                    debug!(
+                        "injecting material {}, path: {:?}",
+                        material_name,
+                        materials_path.clone()
+                    );
+
+                    commands.entity(*child).insert(material.clone());
+                }
+            }
+        }
+    }
+}

crates/bevy_gltf_blueprints/src/old.rs

@@ -0,0 +1,248 @@
+
+
+/// helper component, for tracking loaded assets's loading state, id , handle etc
+#[derive(Default, Debug)]
+pub(crate) struct AssetLoadTracker<T: bevy::prelude::Asset> {
+    #[allow(dead_code)]
+    pub name: String,
+    pub id: AssetId<T>,
+    pub loaded: bool,
+    #[allow(dead_code)]
+    pub handle: Handle<T>,
+}
+
+/// helper component, for tracking loaded assets
+#[derive(Component, Debug)]
+pub(crate) struct AssetsToLoad<T: bevy::prelude::Asset> {
+    pub all_loaded: bool,
+    pub asset_infos: Vec<AssetLoadTracker<T>>,
+    pub progress: f32,
+}
+impl<T: bevy::prelude::Asset> Default for AssetsToLoad<T> {
+    fn default() -> Self {
+        Self {
+            all_loaded: Default::default(),
+            asset_infos: Default::default(),
+            progress: Default::default(),
+        }
+    }
+}
+
+/// flag component, usually added when a blueprint is loaded
+#[derive(Component)]
+pub(crate) struct BlueprintAssetsLoaded;
+/// flag component
+#[derive(Component)]
+pub(crate) struct BlueprintAssetsNotLoaded;
+
+
+
+/// spawning prepare function,
+/// * also takes into account the already exisiting "override" components, ie "override components" > components from blueprint
+pub(crate) fn prepare_blueprints(
+    spawn_placeholders: Query<
+        (
+            Entity,
+            &BlueprintName,
+            Option<&Parent>,
+            Option<&Library>,
+            Option<&Name>,
+            Option<&BlueprintsList>,
+        ),
+        (Added<BlueprintName>, Added<SpawnHere>, Without<Spawned>),
+    >,
+
+    mut commands: Commands,
+    asset_server: Res<AssetServer>,
+    blueprints_config: Res<BluePrintsConfig>,
+) {
+    for (entity, blupeprint_name, original_parent, library_override, name, blueprints_list) in
+        spawn_placeholders.iter()
+    {
+        debug!(
+            "requesting to spawn {:?} for entity {:?}, id: {:?}, parent:{:?}",
+            blupeprint_name.0, name, entity, original_parent
+        );
+
+        // println!("main model path {:?}", model_path);
+        if blueprints_list.is_some() {
+            let blueprints_list = blueprints_list.unwrap();
+            // println!("blueprints list {:?}", blueprints_list.0.keys());
+            let mut asset_infos: Vec<AssetLoadTracker<Gltf>> = vec![];
+            let library_path =
+                library_override.map_or_else(|| &blueprints_config.library_folder, |l| &l.0);
+            for (blueprint_name, _) in blueprints_list.0.iter() {
+                let model_file_name = format!("{}.{}", &blueprint_name, &blueprints_config.format);
+                let model_path = Path::new(&library_path).join(Path::new(model_file_name.as_str()));
+
+                let model_handle: Handle<Gltf> = asset_server.load(model_path.clone());
+                let model_id = model_handle.id();
+                let loaded = asset_server.is_loaded_with_dependencies(model_id);
+                if !loaded {
+                    asset_infos.push(AssetLoadTracker {
+                        name: model_path.to_string_lossy().into(),
+                        id: model_id,
+                        loaded: false,
+                        handle: model_handle.clone(),
+                    });
+                }
+            }
+            // if not all assets are already loaded, inject a component to signal that we need them to be loaded
+            if !asset_infos.is_empty() {
+                commands
+                    .entity(entity)
+                    .insert(AssetsToLoad {
+                        all_loaded: false,
+                        asset_infos,
+                        ..Default::default()
+                    })
+                    .insert(BlueprintAssetsNotLoaded);
+            } else {
+                commands.entity(entity).insert(BlueprintAssetsLoaded);
+            }
+        } else {
+            // in case there are no blueprintsList, we revert back to the old behaviour
+            commands.entity(entity).insert(BlueprintAssetsLoaded);
+        }
+    }
+}
+
+pub(crate) fn check_for_loaded(
+    mut blueprint_assets_to_load: Query<
+        (Entity, &mut AssetsToLoad<Gltf>),
+        With<BlueprintAssetsNotLoaded>,
+    >,
+    asset_server: Res<AssetServer>,
+    mut commands: Commands,
+) {
+    for (entity, mut assets_to_load) in blueprint_assets_to_load.iter_mut() {
+        let mut all_loaded = true;
+        let mut loaded_amount = 0;
+        let total = assets_to_load.asset_infos.len();
+        for tracker in assets_to_load.asset_infos.iter_mut() {
+            let asset_id = tracker.id;
+            let loaded = asset_server.is_loaded_with_dependencies(asset_id);
+            tracker.loaded = loaded;
+            if loaded {
+                loaded_amount += 1;
+            } else {
+                all_loaded = false;
+            }
+        }
+        let progress: f32 = loaded_amount as f32 / total as f32;
+        // println!("progress: {}",progress);
+        assets_to_load.progress = progress;
+
+        if all_loaded {
+            assets_to_load.all_loaded = true;
+            commands
+                .entity(entity)
+                .insert(BlueprintAssetsLoaded)
+                .remove::<BlueprintAssetsNotLoaded>();
+        }
+    }
+}
+
+pub(crate) fn spawn_from_blueprints(
+    spawn_placeholders: Query<
+        (
+            Entity,
+            &BlueprintName,
+            Option<&Transform>,
+            Option<&Parent>,
+            Option<&Library>,
+            Option<&AddToGameWorld>,
+            Option<&Name>,
+        ),
+        (
+            With<BlueprintAssetsLoaded>,
+            Added<BlueprintAssetsLoaded>,
+            Without<BlueprintAssetsNotLoaded>,
+        ),
+    >,
+
+    mut commands: Commands,
+    mut game_world: Query<Entity, With<GameWorldTag>>,
+
+    assets_gltf: Res<Assets<Gltf>>,
+    asset_server: Res<AssetServer>,
+    blueprints_config: Res<BluePrintsConfig>,
+
+    children: Query<&Children>,
+) {
+    for (
+        entity,
+        blupeprint_name,
+        transform,
+        original_parent,
+        library_override,
+        add_to_world,
+        name,
+    ) in spawn_placeholders.iter()
+    {
+        debug!(
+            "attempting to spawn {:?} for entity {:?}, id: {:?}, parent:{:?}",
+            blupeprint_name.0, name, entity, original_parent
+        );
+
+        let what = &blupeprint_name.0;
+        let model_file_name = format!("{}.{}", &what, &blueprints_config.format);
+
+        // library path is either defined at the plugin level or overriden by optional Library components
+        let library_path =
+            library_override.map_or_else(|| &blueprints_config.library_folder, |l| &l.0);
+        let model_path = Path::new(&library_path).join(Path::new(model_file_name.as_str()));
+
+        // info!("attempting to spawn {:?}", model_path);
+        let model_handle: Handle<Gltf> = asset_server.load(model_path.clone()); // FIXME: kinda weird now
+
+        let gltf = assets_gltf.get(&model_handle).unwrap_or_else(|| {
+            panic!(
+                "gltf file {:?} should have been loaded",
+                model_path.to_str()
+            )
+        });
+
+        // WARNING we work under the assumtion that there is ONLY ONE named scene, and that the first one is the right one
+        let main_scene_name = gltf
+            .named_scenes
+            .keys()
+            .next()
+            .expect("there should be at least one named scene in the gltf file to spawn");
+
+        let scene = &gltf.named_scenes[main_scene_name];
+
+        // transforms are optional, but still deal with them correctly
+        let mut transforms: Transform = Transform::default();
+        if transform.is_some() {
+            transforms = *transform.unwrap();
+        }
+
+        let mut original_children: Vec<Entity> = vec![];
+        if let Ok(c) = children.get(entity) {
+            for child in c.iter() {
+                original_children.push(*child);
+            }
+        }
+        commands.entity(entity).insert((
+            SceneBundle {
+                scene: scene.clone(),
+                transform: transforms,
+                ..Default::default()
+            },
+            Spawned,
+            OriginalChildren(original_children),
+            BlueprintAnimations {
+                // these are animations specific to the inside of the blueprint
+                named_animations: gltf.named_animations.clone(),
+            },
+        ));
+
+        if add_to_world.is_some() {
+            let world = game_world
+                .get_single_mut()
+                .expect("there should be a game world present");
+            commands.entity(world).add_child(entity);
+        }
+    }
+}

crates/bevy_gltf_blueprints/src/spawn_from_blueprints.rs

@@ -0,0 +1,311 @@
+use std::path::{Path, PathBuf};
+
+use bevy::{gltf::Gltf, prelude::*, utils::HashMap};
+
+use crate::{Animations, BluePrintsConfig};
+
+/// this is a flag component for our levels/game world
+#[derive(Component)]
+pub struct GameWorldTag;
+
+/// Main component for the blueprints
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+pub struct BlueprintName(pub String);
+
+/// flag component needed to signify the intent to spawn a Blueprint
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+pub struct SpawnHere;
+
+#[derive(Component)]
+/// flag component for dynamically spawned scenes
+pub struct Spawned;
+
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+/// flag component marking any spwaned child of blueprints ..unless the original entity was marked with the `NoInBlueprint` marker component
+pub struct InBlueprint;
+
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+/// flag component preventing any spawned child of blueprints to be marked with the `InBlueprint` component
+pub struct NoInBlueprint;
+
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+// this allows overriding the default library path for a given entity/blueprint
+pub struct Library(pub PathBuf);
+
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+/// flag component to force adding newly spawned entity as child of game world
+pub struct AddToGameWorld;
+
+#[derive(Component)]
+/// helper component, just to transfer child data
+pub(crate) struct OriginalChildren(pub Vec<Entity>);
+
+/// helper component, is used to store the list of sub blueprints to enable automatic loading of dependend blueprints
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+pub struct BlueprintsList(pub HashMap<String, Vec<String>>);
+
+/// helper component, for tracking loaded assets's loading state, id , handle etc
+#[derive(Default, Debug)]
+pub(crate) struct AssetLoadTracker<T: bevy::prelude::Asset> {
+    #[allow(dead_code)]
+    pub name: String,
+    pub id: AssetId<T>,
+    pub loaded: bool,
+    #[allow(dead_code)]
+    pub handle: Handle<T>,
+}
+
+/// helper component, for tracking loaded assets
+#[derive(Component, Debug)]
+pub(crate) struct AssetsToLoad<T: bevy::prelude::Asset> {
+    pub all_loaded: bool,
+    pub asset_infos: Vec<AssetLoadTracker<T>>,
+    pub progress: f32,
+}
+impl<T: bevy::prelude::Asset> Default for AssetsToLoad<T> {
+    fn default() -> Self {
+        Self {
+            all_loaded: Default::default(),
+            asset_infos: Default::default(),
+            progress: Default::default(),
+        }
+    }
+}
+
+/// flag component, usually added when a blueprint is loaded
+#[derive(Component)]
+pub(crate) struct BlueprintAssetsLoaded;
+/// flag component
+#[derive(Component)]
+pub(crate) struct BlueprintAssetsNotLoaded;
+
+/// spawning prepare function,
+/// * also takes into account the already exisiting "override" components, ie "override components" > components from blueprint
+pub(crate) fn prepare_blueprints(
+    spawn_placeholders: Query<
+        (
+            Entity,
+            &BlueprintName,
+            Option<&Parent>,
+            Option<&Library>,
+            Option<&Name>,
+            Option<&BlueprintsList>,
+        ),
+        (Added<BlueprintName>, Added<SpawnHere>, Without<Spawned>),
+    >,
+
+    mut commands: Commands,
+    asset_server: Res<AssetServer>,
+    blueprints_config: Res<BluePrintsConfig>,
+) {
+    for (entity, blupeprint_name, original_parent, library_override, name, blueprints_list) in
+        spawn_placeholders.iter()
+    {
+        debug!(
+            "requesting to spawn {:?} for entity {:?}, id: {:?}, parent:{:?}",
+            blupeprint_name.0, name, entity, original_parent
+        );
+
+        // println!("main model path {:?}", model_path);
+        if blueprints_list.is_some() {
+            let blueprints_list = blueprints_list.unwrap();
+            // println!("blueprints list {:?}", blueprints_list.0.keys());
+            let mut asset_infos: Vec<AssetLoadTracker<Gltf>> = vec![];
+            let library_path =
+                library_override.map_or_else(|| &blueprints_config.library_folder, |l| &l.0);
+            for (blueprint_name, _) in blueprints_list.0.iter() {
+                let model_file_name = format!("{}.{}", &blueprint_name, &blueprints_config.format);
+                let model_path = Path::new(&library_path).join(Path::new(model_file_name.as_str()));
+
+                let model_handle: Handle<Gltf> = asset_server.load(model_path.clone());
+                let model_id = model_handle.id();
+                let loaded = asset_server.is_loaded_with_dependencies(model_id);
+                if !loaded {
+                    asset_infos.push(AssetLoadTracker {
+                        name: model_path.to_string_lossy().into(),
+                        id: model_id,
+                        loaded: false,
+                        handle: model_handle.clone(),
+                    });
+                }
+            }
+            // if not all assets are already loaded, inject a component to signal that we need them to be loaded
+            if !asset_infos.is_empty() {
+                commands
+                    .entity(entity)
+                    .insert(AssetsToLoad {
+                        all_loaded: false,
+                        asset_infos,
+                        ..Default::default()
+                    })
+                    .insert(BlueprintAssetsNotLoaded);
+            } else {
+                commands.entity(entity).insert(BlueprintAssetsLoaded);
+            }
+        } else {
+            // in case there are no blueprintsList, we revert back to the old behaviour
+            commands.entity(entity).insert(BlueprintAssetsLoaded);
+        }
+    }
+}
+
+pub(crate) fn check_for_loaded(
+    mut blueprint_assets_to_load: Query<
+        (Entity, &mut AssetsToLoad<Gltf>),
+        With<BlueprintAssetsNotLoaded>,
+    >,
+    asset_server: Res<AssetServer>,
+    mut commands: Commands,
+) {
+    for (entity, mut assets_to_load) in blueprint_assets_to_load.iter_mut() {
+        let mut all_loaded = true;
+        let mut loaded_amount = 0;
+        let total = assets_to_load.asset_infos.len();
+        for tracker in assets_to_load.asset_infos.iter_mut() {
+            let asset_id = tracker.id;
+            let loaded = asset_server.is_loaded_with_dependencies(asset_id);
+            tracker.loaded = loaded;
+            if loaded {
+                loaded_amount += 1;
+            } else {
+                all_loaded = false;
+            }
+        }
+        let progress: f32 = loaded_amount as f32 / total as f32;
+        // println!("progress: {}",progress);
+        assets_to_load.progress = progress;
+
+        if all_loaded {
+            assets_to_load.all_loaded = true;
+            commands
+                .entity(entity)
+                .insert(BlueprintAssetsLoaded)
+                .remove::<BlueprintAssetsNotLoaded>();
+        }
+    }
+}
+
+pub(crate) fn spawn_from_blueprints(
+    spawn_placeholders: Query<
+        (
+            Entity,
+            &BlueprintName,
+            Option<&Transform>,
+            Option<&Parent>,
+            Option<&Library>,
+            Option<&AddToGameWorld>,
+            Option<&Name>,
+        ),
+        (
+            With<BlueprintAssetsLoaded>,
+            Added<BlueprintAssetsLoaded>,
+            Without<BlueprintAssetsNotLoaded>,
+        ),
+    >,
+
+    mut commands: Commands,
+    mut game_world: Query<Entity, With<GameWorldTag>>,
+
+    assets_gltf: Res<Assets<Gltf>>,
+    mut graphs: ResMut<Assets<AnimationGraph>>,
+    asset_server: Res<AssetServer>,
+    blueprints_config: Res<BluePrintsConfig>,
+
+    children: Query<&Children>,
+) {
+    for (
+        entity,
+        blupeprint_name,
+        transform,
+        original_parent,
+        library_override,
+        add_to_world,
+        name,
+    ) in spawn_placeholders.iter()
+    {
+        debug!(
+            "attempting to spawn {:?} for entity {:?}, id: {:?}, parent:{:?}",
+            blupeprint_name.0, name, entity, original_parent
+        );
+
+        let what = &blupeprint_name.0;
+        let model_file_name = format!("{}.{}", &what, &blueprints_config.format);
+
+        // library path is either defined at the plugin level or overriden by optional Library components
+        let library_path =
+            library_override.map_or_else(|| &blueprints_config.library_folder, |l| &l.0);
+        let model_path = Path::new(&library_path).join(Path::new(model_file_name.as_str()));
+
+        // info!("attempting to spawn {:?}", model_path);
+        let model_handle: Handle<Gltf> = asset_server.load(model_path.clone()); // FIXME: kinda weird now
+
+        let gltf = assets_gltf.get(&model_handle).unwrap_or_else(|| {
+            panic!(
+                "gltf file {:?} should have been loaded",
+                model_path.to_str()
+            )
+        });
+
+        // WARNING we work under the assumtion that there is ONLY ONE named scene, and that the first one is the right one
+        let main_scene_name = gltf
+            .named_scenes
+            .keys()
+            .next()
+            .expect("there should be at least one named scene in the gltf file to spawn");
+
+        let scene = &gltf.named_scenes[main_scene_name];
+
+        // transforms are optional, but still deal with them correctly
+        let mut transforms: Transform = Transform::default();
+        if transform.is_some() {
+            transforms = *transform.unwrap();
+        }
+
+        let mut original_children: Vec<Entity> = vec![];
+        if let Ok(c) = children.get(entity) {
+            for child in c.iter() {
+                original_children.push(*child);
+            }
+        }
+
+        let mut graph = AnimationGraph::new();
+        let mut named_animations: HashMap<String, Handle<AnimationClip>> = HashMap::new();
+        let mut named_indices: HashMap<String, AnimationNodeIndex> = HashMap::new();
+
+        for (key, clip) in gltf.named_animations.iter() {
+            named_animations.insert(key.to_string(), clip.clone());
+            let animation_index = graph.add_clip(clip.clone(), 1.0, graph.root);
+            named_indices.insert(key.to_string(), animation_index);
+        }
+        let graph = graphs.add(graph);
+
+        commands.entity(entity).insert((
+            SceneBundle {
+                scene: scene.clone(),
+                transform: transforms,
+                ..Default::default()
+            },
+            Animations {
+                named_animations,
+                named_indices,
+                graph
+            },
+            Spawned,
+            OriginalChildren(original_children),
+        ));
+
+        if add_to_world.is_some() {
+            let world = game_world
+                .get_single_mut()
+                .expect("there should be a game world present");
+            commands.entity(world).add_child(entity);
+        }
+    }
+}

crates/bevy_gltf_blueprints/src/spawn_post_process.rs

@@ -0,0 +1,100 @@
+use std::any::TypeId;
+
+use bevy::gltf::Gltf;
+use bevy::prelude::*;
+use bevy::scene::SceneInstance;
+// use bevy::utils::hashbrown::HashSet;
+
+use super::{AnimationPlayerLink, Animations};
+use super::{SpawnHere, Spawned};
+use crate::{
+    AssetsToLoad, BlueprintAssetsLoaded, CopyComponents, InBlueprint, NoInBlueprint,
+    OriginalChildren,
+};
+
+/// this system is in charge of doing any necessary post processing after a blueprint scene has been spawned
+/// - it removes one level of useless nesting
+/// - it copies the blueprint's root components to the entity it was spawned on (original entity)
+/// - it copies the children of the blueprint scene into the original entity
+/// - it add `AnimationLink` components so that animations can be controlled from the original entity
+/// - it cleans up/ removes a few , by then uneeded components
+pub(crate) fn spawned_blueprint_post_process(
+    unprocessed_entities: Query<
+        (
+            Entity,
+            &Children,
+            &OriginalChildren,
+            &Animations,
+            Option<&NoInBlueprint>,
+            Option<&Name>,
+        ),
+        (With<SpawnHere>, With<SceneInstance>, With<Spawned>),
+    >,
+    added_animation_players: Query<(Entity, &Parent), Added<AnimationPlayer>>,
+    all_children: Query<&Children>,
+
+    mut commands: Commands,
+) {
+    for (original, children, original_children, animations, no_inblueprint, name) in
+        unprocessed_entities.iter()
+    {
+        debug!("post processing blueprint for entity {:?}", name);
+
+        if children.len() == 0 {
+            warn!("timing issue ! no children found, please restart your bevy app (bug being investigated)");
+            continue;
+        }
+        // the root node is the first & normally only child inside a scene, it is the one that has all relevant components
+        let mut root_entity = Entity::PLACEHOLDER; //FIXME: and what about childless ones ?? => should not be possible normally
+                                                   // let diff = HashSet::from_iter(original_children.0).difference(HashSet::from_iter(children));
+                                                   // we find the first child that was not in the entity before (aka added during the scene spawning)
+        for c in children.iter() {
+            if !original_children.0.contains(c) {
+                root_entity = *c;
+                break;
+            }
+        }
+
+        // we flag all children of the blueprint instance with 'InBlueprint'
+        // can be usefull to filter out anything that came from blueprints vs normal children
+        if no_inblueprint.is_none() {
+            for child in all_children.iter_descendants(root_entity) {
+                commands.entity(child).insert(InBlueprint);
+            }
+        }
+
+        // copy components into from blueprint instance's root_entity to original entity
+        commands.add(CopyComponents {
+            source: root_entity,
+            destination: original,
+            exclude: vec![TypeId::of::<Parent>(), TypeId::of::<Children>()],
+            stringent: false,
+        });
+
+        // we move all of children of the blueprint instance one level to the original entity
+        if let Ok(root_entity_children) = all_children.get(root_entity) {
+            for child in root_entity_children.iter() {
+                // info!("copying child {:?} upward from {:?} to {:?}", names.get(*child), root_entity, original);
+                commands.entity(original).add_child(*child);
+            }
+        }
+
+        if animations.named_animations.keys().len() > 0 {
+            for (added, parent) in added_animation_players.iter() {
+                if parent.get() == root_entity {
+                    // FIXME: stopgap solution: since we cannot use an AnimationPlayer at the root entity level
+                    // and we cannot update animation clips so that the EntityPaths point to one level deeper,
+                    // BUT we still want to have some marker/control at the root entity level, we add this
+                    commands.entity(original).insert(AnimationPlayerLink(added));
+                }
+            }
+        }
+
+        commands.entity(original).remove::<SpawnHere>();
+        commands.entity(original).remove::<Spawned>();
+        commands.entity(original).remove::<Handle<Scene>>();
+        commands.entity(original).remove::<AssetsToLoad<Gltf>>(); // also clear the sub assets tracker to free up handles, perhaps just freeing up the handles and leave the rest would be better ?
+        commands.entity(original).remove::<BlueprintAssetsLoaded>();
+        commands.entity(root_entity).despawn_recursive();
+    }
+}

crates/bevy_gltf_components/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "bevy_gltf_components"
+version = "0.6.0"
+authors = ["Mark 'kaosat-dev' Moissette"]
+description = "Allows you to define Bevy components direclty inside gltf files and instanciate the components on the Bevy side."
+homepage = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+repository = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+keywords = ["gamedev", "bevy", "assets", "gltf", "components"]
+categories = ["game-development"]
+edition = "2021"
+license = "MIT OR Apache-2.0"
+
+[lints]
+workspace = true
+
+[dependencies]
+bevy = { version = "0.14", default-features = false, features = ["bevy_asset", "bevy_scene", "bevy_gltf"] }
+serde = "1.0.188"
+ron = "0.8.1"
+
+[dev-dependencies]
+bevy = { version = "0.14", default-features = false, features = ["dynamic_linking"] }

crates/bevy_gltf_components/LICENSE.md

@@ -0,0 +1,4 @@
+This crate is available under either:
+
+* The [MIT License](./LICENSE_MIT)
+* The [Apache License, Version 2.0](./LICENSE_APACHE)

crates/bevy_gltf_components/LICENSE_APACHE.md

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
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+      "You" (or "Your") shall mean an individual or Legal Entity
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+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
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+      incidental, or consequential damages of any character arising as a
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+      Work (including but not limited to damages for loss of goodwill,
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+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
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+
+   Copyright [2023] [Mark "kaosat-dev" Moissette]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

crates/bevy_gltf_components/LICENSE_MIT.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Mark "kaosat-dev" Moissette
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

crates/bevy_gltf_components/src/blender_settings.rs

@@ -0,0 +1,8 @@
+use bevy::prelude::*;
+
+mod lighting;
+pub use lighting::*;
+
+pub(crate) fn plugin(app: &mut App) {
+    app.add_plugins(lighting::plugin);
+}

crates/bevy_gltf_components/src/blender_settings/lighting.rs

@@ -0,0 +1,97 @@
+use bevy::pbr::DirectionalLightShadowMap;
+use bevy::prelude::*;
+
+use crate::GltfComponentsSet;
+
+pub(crate) fn plugin(app: &mut App) {
+    app.register_type::<BlenderBackgroundShader>()
+        .register_type::<BlenderShadowSettings>()
+        .register_type::<BlenderLightShadows>()
+        .add_systems(
+            Update,
+            (process_lights, process_shadowmap, process_background_shader)
+                .after(GltfComponentsSet::Injection),
+        );
+}
+
+#[derive(Component, Reflect, Default, Debug, PartialEq, Clone)]
+#[reflect(Component)]
+#[non_exhaustive]
+/// The properties of a light's shadow , to enable controlling per light shadows from Blender
+pub struct BlenderLightShadows {
+    pub enabled: bool,
+    pub buffer_bias: f32,
+}
+
+/// The background color as described by Blender's [background shader](https://docs.blender.org/manual/en/latest/render/shader_nodes/shader/background.html).
+#[derive(Component, Reflect, Default, Debug, PartialEq, Clone)]
+#[reflect(Component)]
+#[non_exhaustive]
+pub struct BlenderBackgroundShader {
+    pub color: Color,
+    pub strength: f32,
+}
+
+/// The settings used by EEVEE's [shadow rendering](https://docs.blender.org/manual/en/latest/render/eevee/render_settings/shadows.html).
+#[derive(Component, Reflect, Default, Debug, PartialEq, Clone)]
+#[reflect(Component)]
+#[non_exhaustive]
+pub struct BlenderShadowSettings {
+    pub cascade_size: usize,
+}
+
+fn process_lights(
+    mut directional_lights: Query<
+        (&mut DirectionalLight, Option<&BlenderLightShadows>),
+        Added<DirectionalLight>,
+    >,
+    mut spot_lights: Query<(&mut SpotLight, Option<&BlenderLightShadows>), Added<SpotLight>>,
+    mut point_lights: Query<(&mut PointLight, Option<&BlenderLightShadows>), Added<PointLight>>,
+) {
+    for (mut light, blender_light_shadows) in directional_lights.iter_mut() {
+        if let Some(blender_light_shadows) = blender_light_shadows {
+            light.shadows_enabled = blender_light_shadows.enabled;
+        } else {
+            light.shadows_enabled = true;
+        }
+    }
+    for (mut light, blender_light_shadows) in spot_lights.iter_mut() {
+        if let Some(blender_light_shadows) = blender_light_shadows {
+            light.shadows_enabled = blender_light_shadows.enabled;
+        } else {
+            light.shadows_enabled = true;
+        }
+    }
+
+    for (mut light, blender_light_shadows) in point_lights.iter_mut() {
+        if let Some(blender_light_shadows) = blender_light_shadows {
+            light.shadows_enabled = blender_light_shadows.enabled;
+        } else {
+            light.shadows_enabled = true;
+        }
+    }
+}
+
+fn process_shadowmap(
+    shadowmaps: Query<&BlenderShadowSettings, Added<BlenderShadowSettings>>,
+    mut commands: Commands,
+) {
+    for shadowmap in shadowmaps.iter() {
+        commands.insert_resource(DirectionalLightShadowMap {
+            size: shadowmap.cascade_size,
+        });
+    }
+}
+
+fn process_background_shader(
+    background_shaders: Query<&BlenderBackgroundShader, Added<BlenderBackgroundShader>>,
+    mut commands: Commands,
+) {
+    for background_shader in background_shaders.iter() {
+        commands.insert_resource(AmbientLight {
+            color: background_shader.color,
+            // Just a guess, see <https://github.com/bevyengine/bevy/issues/12280>
+            brightness: background_shader.strength * 400.0,
+        });
+    }
+}

crates/bevy_gltf_components/src/lib.rs

@@ -0,0 +1,102 @@
+pub mod utils;
+pub use utils::*;
+
+pub mod ronstring_to_reflect_component;
+pub use ronstring_to_reflect_component::*;
+
+pub mod process_gltfs;
+pub use process_gltfs::*;
+
+pub mod blender_settings;
+
+use bevy::{
+    app::Startup,
+    ecs::{
+        component::Component,
+        reflect::ReflectComponent,
+        system::{Res, Resource},
+    },
+    log::warn,
+    prelude::{App, IntoSystemConfigs, Plugin, SystemSet, Update},
+    reflect::Reflect,
+};
+
+/// A Bevy plugin for extracting components from gltf files and automatically adding them to the relevant entities
+/// It will automatically run every time you load a gltf file
+/// Add this plugin to your Bevy app to get access to this feature
+/// ```
+/// # use bevy::prelude::*;
+/// # use bevy::gltf::*;
+/// # use bevy_gltf_components::ComponentsFromGltfPlugin;
+///
+/// //too barebones of an example to be meaningfull, please see https://github.com/kaosat-dev/Blender_bevy_components_workflow/examples/basic for a real example
+/// fn main() {
+///    App::new()
+///         .add_plugins(DefaultPlugins)
+///         .add_plugin(ComponentsFromGltfPlugin)
+///         .add_system(spawn_level)
+///         .run();
+/// }
+///
+/// fn spawn_level(
+///   asset_server: Res<AssetServer>,
+///   mut commands: bevy::prelude::Commands,
+///   keycode: Res<Input<KeyCode>>,
+
+/// ){
+/// if keycode.just_pressed(KeyCode::Return) {
+///  commands.spawn(SceneBundle {
+///   scene: asset_server.load("basic/models/level1.glb"),
+///   transform: Transform::from_xyz(2.0, 0.0, -5.0),
+/// ..Default::default()
+/// });
+/// }
+///}
+/// ```
+
+/// this is a flag component to tag a processed gltf, to avoid processing things multiple times
+#[derive(Component, Reflect, Default, Debug)]
+#[reflect(Component)]
+pub struct GltfProcessed;
+
+#[derive(SystemSet, Debug, Hash, PartialEq, Eq, Clone)]
+/// systemset to order your systems after the component injection when needed
+pub enum GltfComponentsSet {
+    Injection,
+}
+
+#[derive(Clone, Resource)]
+pub struct GltfComponentsConfig {
+    pub(crate) legacy_mode: bool,
+}
+
+pub struct ComponentsFromGltfPlugin {
+    pub legacy_mode: bool,
+}
+
+impl Default for ComponentsFromGltfPlugin {
+    fn default() -> Self {
+        Self { legacy_mode: true }
+    }
+}
+
+fn check_for_legacy_mode(gltf_components_config: Res<GltfComponentsConfig>) {
+    if gltf_components_config.legacy_mode {
+        warn!("using simplified component definitions is deprecated since 0.3, prefer defining components with real ron values (use the bevy_components tool for Blender for simplicity) ");
+    }
+}
+
+impl Plugin for ComponentsFromGltfPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_plugins(blender_settings::plugin)
+            .register_type::<GltfProcessed>()
+            .insert_resource(GltfComponentsConfig {
+                legacy_mode: self.legacy_mode,
+            })
+            .add_systems(Startup, check_for_legacy_mode)
+            .add_systems(
+                Update,
+                (add_components_from_gltf_extras).in_set(GltfComponentsSet::Injection),
+            );
+    }
+}

crates/bevy_gltf_components/src/process_gltfs.rs

@@ -0,0 +1,97 @@
+use bevy::{
+    core::Name,
+    ecs::{
+        entity::Entity,
+        query::{Added, Without},
+        reflect::{AppTypeRegistry, ReflectComponent},
+        world::World,
+    },
+    gltf::GltfExtras,
+    hierarchy::Parent,
+    log::debug,
+    reflect::{Reflect, TypeRegistration},
+    utils::HashMap,
+};
+
+use crate::{ronstring_to_reflect_component, GltfComponentsConfig, GltfProcessed};
+
+/// main function: injects components into each entity in gltf files that have `gltf_extras`, using reflection
+pub fn add_components_from_gltf_extras(world: &mut World) {
+    let mut extras =
+        world.query_filtered::<(Entity, &Name, &GltfExtras, &Parent), (Added<GltfExtras>, Without<GltfProcessed>)>();
+    let mut entity_components: HashMap<Entity, Vec<(Box<dyn Reflect>, TypeRegistration)>> =
+        HashMap::new();
+
+    let gltf_components_config = world.resource::<GltfComponentsConfig>();
+
+    for (entity, name, extra, parent) in extras.iter(world) {
+        debug!(
+            "Name: {}, entity {:?}, parent: {:?}, extras {:?}",
+            name, entity, parent, extra
+        );
+
+        let type_registry: &AppTypeRegistry = world.resource();
+        let type_registry = type_registry.read();
+
+        let reflect_components = ronstring_to_reflect_component(
+            &extra.value,
+            &type_registry,
+            gltf_components_config.legacy_mode,
+        );
+
+        // we assign the components specified /xxx_components objects to their parent node
+        let mut target_entity = entity;
+        // if the node contains "components" or ends with "_pa" (ie add to parent), the components will not be added to the entity itself but to its parent
+        // this is mostly used for Blender collections
+        if name.as_str().contains("components") || name.as_str().ends_with("_pa") {
+            debug!("adding components to parent");
+            target_entity = parent.get();
+        }
+        debug!("adding to {:?}", target_entity);
+
+        // if there where already components set to be added to this entity (for example when entity_data was refering to a parent), update the vec of entity_components accordingly
+        // this allows for example blender collection to provide basic ecs data & the instances to override/ define their own values
+        if entity_components.contains_key(&target_entity) {
+            let mut updated_components: Vec<(Box<dyn Reflect>, TypeRegistration)> = Vec::new();
+            let current_components = &entity_components[&target_entity];
+            // first inject the current components
+            for (component, type_registration) in current_components {
+                updated_components.push((component.clone_value(), type_registration.clone()));
+            }
+            // then inject the new components: this also enables overwrite components set in the collection
+            for (component, type_registration) in reflect_components {
+                updated_components.push((component.clone_value(), type_registration));
+            }
+            entity_components.insert(target_entity, updated_components);
+        } else {
+            entity_components.insert(target_entity, reflect_components);
+        }
+    }
+
+    for (entity, components) in entity_components {
+        let type_registry: &AppTypeRegistry = world.resource();
+        let type_registry = type_registry.clone();
+        let type_registry = type_registry.read();
+
+        if !components.is_empty() {
+            debug!("--entity {:?}, components {}", entity, components.len());
+        }
+        for (component, type_registration) in components {
+            debug!(
+                "------adding {} {:?}",
+                component.get_represented_type_info().unwrap().type_path(),
+                component
+            );
+
+            {
+                let mut entity_mut = world.entity_mut(entity);
+                type_registration
+                    .data::<ReflectComponent>()
+                    .expect("Unable to reflect component")
+                    .insert(&mut entity_mut, &*component, &type_registry);
+
+                entity_mut.insert(GltfProcessed); //  this is how can we insert any additional components
+            }
+        }
+    }
+}

crates/bevy_gltf_components/src/ronstring_to_reflect_component.rs

@@ -0,0 +1,134 @@
+use bevy::log::{debug, warn};
+use bevy::reflect::serde::ReflectDeserializer;
+use bevy::reflect::{Reflect, TypeInfo, TypeRegistration, TypeRegistry};
+use bevy::utils::HashMap;
+use ron::Value;
+use serde::de::DeserializeSeed;
+
+use super::capitalize_first_letter;
+
+pub fn ronstring_to_reflect_component(
+    ron_string: &str,
+    type_registry: &TypeRegistry,
+    simplified_types: bool,
+) -> Vec<(Box<dyn Reflect>, TypeRegistration)> {
+    let lookup: HashMap<String, Value> = ron::from_str(ron_string).unwrap();
+    let mut components: Vec<(Box<dyn Reflect>, TypeRegistration)> = Vec::new();
+    for (key, value) in lookup.into_iter() {
+        let type_string = key.replace("component: ", "").trim().to_string();
+        let capitalized_type_name = capitalize_first_letter(type_string.as_str());
+
+        let mut parsed_value: String;
+        match value.clone() {
+            Value::String(str) => {
+                parsed_value = str;
+            }
+            _ => parsed_value = ron::to_string(&value).unwrap().to_string(),
+        }
+
+        if let Some(type_registration) =
+            type_registry.get_with_short_type_path(capitalized_type_name.as_str())
+        {
+            debug!("TYPE INFO {:?}", type_registration.type_info());
+            if simplified_types {
+                if let TypeInfo::TupleStruct(info) = type_registration.type_info() {
+                    // we handle tupple strucs with only one field differently, as Blender's custom properties with custom ui (float, int, bool, etc) always give us a tupple struct
+                    if info.field_len() == 1 {
+                        let field = info
+                            .field_at(0)
+                            .expect("we should always have at least one field here");
+                        let field_name = field.type_path();
+                        let mut formated = parsed_value.clone();
+                        match field_name {
+                            "f32" => {
+                                formated = parsed_value.parse::<f32>().unwrap().to_string();
+                            }
+                            "f64" => {
+                                formated = parsed_value.parse::<f64>().unwrap().to_string();
+                            }
+                            "u8" => {
+                                formated = parsed_value.parse::<u8>().unwrap().to_string();
+                            }
+                            "u16" => {
+                                formated = parsed_value.parse::<u16>().unwrap().to_string();
+                            }
+                            "u32" => {
+                                formated = parsed_value.parse::<u32>().unwrap().to_string();
+                            }
+                            "u64" => {
+                                formated = parsed_value.parse::<u64>().unwrap().to_string();
+                            }
+                            "u128" => {
+                                formated = parsed_value.parse::<u128>().unwrap().to_string();
+                            }
+                            "glam::Vec2" => {
+                                let parsed: Vec<f32> = ron::from_str(&parsed_value).unwrap();
+                                formated = format!("(x:{},y:{})", parsed[0], parsed[1]);
+                            }
+                            "glam::Vec3" => {
+                                let parsed: Vec<f32> = ron::from_str(&parsed_value).unwrap();
+                                formated =
+                                    format!("(x:{},y:{},z:{})", parsed[0], parsed[1], parsed[2]);
+                            }
+                            "bevy_render::color::Color" => {
+                                let parsed: Vec<f32> = ron::from_str(&parsed_value).unwrap();
+                                if parsed.len() == 3 {
+                                    formated = format!(
+                                        "Rgba(red:{},green:{},blue:{}, alpha: 1.0)",
+                                        parsed[0], parsed[1], parsed[2]
+                                    );
+                                }
+                                if parsed.len() == 4 {
+                                    formated = format!(
+                                        "Rgba(red:{},green:{},blue:{}, alpha:{})",
+                                        parsed[0], parsed[1], parsed[2], parsed[3]
+                                    );
+                                }
+                            }
+                            _ => {}
+                        }
+
+                        parsed_value = format!("({formated})");
+                    }
+                }
+
+                if parsed_value.is_empty() {
+                    parsed_value = "()".to_string();
+                }
+            }
+            let ron_string = format!(
+                "{{ \"{}\":{} }}",
+                type_registration.type_info().type_path(),
+                parsed_value
+            );
+
+            // usefull to determine what an entity looks like Serialized
+            /*let test_struct = CameraRenderGraph::new("name");
+            let serializer = ReflectSerializer::new(&test_struct, &type_registry);
+            let serialized =
+                ron::ser::to_string_pretty(&serializer, ron::ser::PrettyConfig::default()).unwrap();
+            println!("serialized Component {}", serialized);*/
+
+            debug!("component data ron string {}", ron_string);
+            let mut deserializer = ron::Deserializer::from_str(ron_string.as_str())
+                .expect("deserialzer should have been generated from string");
+            let reflect_deserializer = ReflectDeserializer::new(type_registry);
+            let component = reflect_deserializer
+                .deserialize(&mut deserializer)
+                .unwrap_or_else(|_| {
+                    panic!(
+                        "failed to deserialize component {} with value: {:?}",
+                        key, value
+                    )
+                });
+
+            debug!("component {:?}", component);
+            debug!("real type {:?}", component.get_represented_type_info());
+            components.push((component, type_registration.clone()));
+            debug!("found type registration for {}", capitalized_type_name);
+        } else {
+            warn!("no type registration for {}", capitalized_type_name);
+        }
+    }
+    components
+}

crates/bevy_gltf_components/src/utils.rs

@@ -0,0 +1,3 @@
+pub fn capitalize_first_letter(s: &str) -> String {
+    s[0..1].to_uppercase() + &s[1..]
+}

crates/bevy_gltf_save_load/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "bevy_gltf_save_load"
+version = "0.5.0"
+authors = ["Mark 'kaosat-dev' Moissette"]
+description = "Save & load your bevy games"
+homepage = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+repository = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+keywords = ["gamedev", "bevy", "save", "load", "serialize"]
+categories = ["game-development"]
+edition = "2021"
+license = "MIT OR Apache-2.0"
+
+[lints]
+workspace = true
+
+[dependencies]
+bevy = { version = "0.14", default-features = false, features = ["bevy_asset", "bevy_scene", "bevy_gltf"] }
+bevy_gltf_blueprints = { version = "0.11", path = "../bevy_gltf_blueprints" }
+
+[dev-dependencies]
+bevy = { version = "0.14", default-features = false, features = ["dynamic_linking"] }

crates/bevy_gltf_save_load/LICENSE.md

@@ -0,0 +1,4 @@
+This crate is available under either:
+
+* The [MIT License](./LICENSE_MIT)
+* The [Apache License, Version 2.0](./LICENSE_APACHE)

crates/bevy_gltf_save_load/LICENSE_APACHE.md

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
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+      and distribution as defined by Sections 1 through 9 of this document.
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+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
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+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
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+   Copyright [2023] [Mark "kaosat-dev" Moissette]
+
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+   limitations under the License.

crates/bevy_gltf_save_load/LICENSE_MIT.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Mark "kaosat-dev" Moissette
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

crates/bevy_gltf_save_load/src/gltf_out_test.rs

@@ -0,0 +1,216 @@
+use gltf_json as json;
+use json::camera::Type;
+use json::validation::{Checked, Validate};
+use serde_json::value::{to_raw_value, RawValue};
+use serde::Serialize;
+use bevy::reflect::TypeRegistryArc;
+
+
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+enum Output {
+    /// Output standard glTF.
+    Standard,
+
+    /// Output binary glTF.
+    Binary,
+}
+#[derive(Serialize)]
+struct MyExtraData {
+    a: u32,
+    b: u32,
+    BlueprintName: String,
+    SpawnHere: String,
+}
+
+/* 
+pub fn serialize_gltf_inner<S>(serialize: S) -> Result<String, json::Error>
+where
+    S: Serialize,
+{
+    let pretty_config = ron::ser::PrettyConfig::default()
+        .indentor("  ".to_string())
+        .new_line("\n".to_string());
+    ron::ser::to_string_pretty(&serialize, pretty_config)
+}*/
+
+pub fn serialize_gltf(scene:&DynamicScene, registry: &TypeRegistryArc) {
+
+}
+
+pub fn save_game(
+    world: &mut World,
+) {
+
+    let mut save_path:String = "".into();
+    let mut events = world
+        .resource_mut::<Events<SaveRequest>>();
+    for event in events.get_reader().read(&events) {
+        info!("SAVE EVENT !! {:?}", event);
+        save_path = event.path.clone();
+    }
+    info!("SAVING TO {}", save_path);
+    events.clear(); 
+
+    let saveable_entities: Vec<Entity> = world
+        .query_filtered::<Entity, With<Dynamic>>()
+        .iter(world)
+        .collect();
+
+    debug!("saveable entities {}", saveable_entities.len());
+   
+    let components = HashSet::from([
+        TypeId::of::<Name>(),
+        TypeId::of::<Transform>(), 
+        TypeId::of::<Velocity>() , 
+        TypeId::of::<BlueprintName>(),
+        TypeId::of::<SpawnHere>(),
+        TypeId::of::<Dynamic>(),
+
+
+
+        TypeId::of::<Camera>(),
+        TypeId::of::<Camera3d>(),
+        TypeId::of::<Tonemapping>(),
+        TypeId::of::<CameraTrackingOffset>(),
+        TypeId::of::<Projection>(),
+        TypeId::of::<CameraRenderGraph>(),
+        TypeId::of::<Frustum>(),
+        TypeId::of::<GlobalTransform>(),
+        TypeId::of::<VisibleEntities>(),
+
+        TypeId::of::<Pickable>(),
+
+
+
+        ]);
+
+    let filter = SceneFilter::Allowlist(components);
+        
+
+    let mut scene_builder = DynamicSceneBuilder::from_world(world).with_filter(filter);
+
+    let dyn_scene = scene_builder
+        
+        
+        /* .allow::<Transform>()
+        .allow::<Velocity>()
+        .allow::<BlueprintName>()*/
+
+        /* .deny::<Children>()
+        .deny::<Parent>()
+        .deny::<InheritedVisibility>()
+        .deny::<Visibility>()
+        .deny::<GltfExtras>()
+        .deny::<GlobalTransform>()
+        .deny::<Collider>()
+        .deny::<RigidBody>()
+        .deny::<Saveable>()
+        // camera stuff
+        .deny::<Camera>()
+        .deny::<CameraRenderGraph>()
+        .deny::<Camera3d>()
+        .deny::<Clusters>()
+        .deny::<VisibleEntities>()
+        .deny::<VisiblePointLights>()
+        //.deny::<HasGizmoMarker>()
+        */
+        .extract_entities(saveable_entities.into_iter())
+        .build();
+
+    let serialized_scene = dyn_scene
+        .serialize_ron(world.resource::<AppTypeRegistry>())
+        .unwrap();
+
+    let mut root = gltf_json::Root::default();
+
+    // unfortunatly, not available yet
+    /*let node = root.push(json::Node {
+        //mesh: Some(mesh),
+        ..Default::default()
+    });
+
+    root.push(json::Scene {
+        extensions: Default::default(),
+        extras: Default::default(),
+        name: None,
+        nodes: vec![node],
+    });*/
+
+
+
+
+
+    let camera = json::camera::Perspective{
+        aspect_ratio: Some(0.5),
+        yfov: 32.0,
+        zfar: Some(30.),
+        znear: 0.0,
+        extensions: None,
+        extras: None
+    };
+    /*let camera = json::Camera{
+        name:Some("Camera".into()),
+        orthographic: None,
+        perspective:None,
+        extensions: None,
+        extras: None,
+        type_: Checked<Type::Perspective>,
+    };*/
+    let gna = to_raw_value(&MyExtraData { a: 1, b: 2, BlueprintName: "Foo".into(), SpawnHere:"".into() }).unwrap() ;
+    let node = json::Node {
+        camera: None,//Some(camera),
+        children: None,
+        extensions: None,
+        extras: Some(gna),
+        matrix: None,
+        mesh:None,
+        name: Some("yeah".into()),
+        rotation: None,
+        scale: None,
+        translation: Some([0.5, 10.0 ,-100.]),
+        skin: None,
+        weights: None
+        // mesh: Some(json::Index::new(0)),
+        //..Default::default()
+    };
+   
+    let root = json::Root {
+        accessors: vec![], //[positions, colors],
+        buffers: vec![],
+        buffer_views: vec![],
+        meshes: vec![],
+        nodes: vec![node],
+        scenes: vec![json::Scene {
+            extensions: Default::default(),
+            extras: Default::default(),
+            name: Some("Foo".to_string()),
+            nodes: vec![json::Index::new(0)],
+        }],
+        ..Default::default()
+    };
+
+
+
+
+    let gltf_save_name = "test.gltf";
+    let writer = fs::File::create(format!("assets/scenes/{gltf_save_name}") ).expect("I/O error");
+    json::serialize::to_writer_pretty(writer, &root).expect("Serialization error");
+
+    // let bin = to_padded_byte_vector(triangle_vertices);
+    // let mut writer = fs::File::create("triangle/buffer0.bin").expect("I/O error");
+    // writer.write_all(&bin).expect("I/O error");
+
+    
+    #[cfg(not(target_arch = "wasm32"))]
+    IoTaskPool::get()
+        .spawn(async move {
+            // Write the scene RON data to file
+            File::create(format!("assets/scenes/{save_path}"))
+                .and_then(|mut file| file.write(serialized_scene.as_bytes()))
+                .expect("Error while writing scene to file");
+
+
+
+        })
+        .detach();
+}

crates/bevy_gltf_save_load/src/loading.rs

@@ -32,7 +32,7 @@ pub(crate) fn mark_load_requested(
     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);
+            save_path = load_request.path.clone();
         }
     }
     if !save_path.is_empty() {

crates/bevy_gltf_save_load/src/saving.rs

@@ -80,7 +80,7 @@ pub(crate) fn save_game(world: &mut World) {
 
     for event in events.get_reader().read(&events) {
         info!("SAVE EVENT !! {:?}", event);
-        save_path.clone_from(&event.path);
+        save_path = event.path.clone();
     }
     events.clear();
 

crates/bevy_registry_export/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "bevy_registry_export"
+version = "0.4.0"
+authors = ["Mark 'kaosat-dev' Moissette", "Pascal 'Killercup' Hertleif"]
+description = "Allows you to create a Json export of all your components/ registered types of your Bevy app/game"
+homepage = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+repository = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"
+keywords = ["gamedev", "bevy", "assets", "registry", "components"]
+categories = ["game-development"]
+edition = "2021"
+license = "MIT OR Apache-2.0"
+
+[dependencies]
+bevy = { version = "0.14", default-features = false, features = ["bevy_scene"] }
+bevy_reflect = { version = "0.14", default-features = false }
+bevy_app = { version = "0.14", default-features = false, features = ["bevy_reflect"] }
+bevy_ecs = { version = "0.14", default-features = false, features = ["bevy_reflect"] }
+serde_json = "1.0.108"
+
+[dev-dependencies]
+bevy = { version = "0.14", default-features = false, features = ["dynamic_linking"] }

crates/bevy_registry_export/LICENSE.md

@@ -0,0 +1,4 @@
+This crate is available under either:
+
+* The [MIT License](./LICENSE_MIT)
+* The [Apache License, Version 2.0](./LICENSE_APACHE)

crates/bevy_registry_export/LICENSE_APACHE.md

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
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+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
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+
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
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+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
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+
+   Copyright [2024] [Mark "kaosat-dev" Moissette]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

crates/bevy_registry_export/LICENSE_MIT.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Mark "kaosat-dev" Moissette
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

crates/bevy_registry_export/src/export_types.rs

@@ -0,0 +1,269 @@
+use std::{fs::File, path::Path};
+
+use bevy::log::info;
+use bevy_ecs::{
+    reflect::{AppTypeRegistry, ReflectComponent, ReflectResource},
+    world::World,
+};
+use bevy_reflect::{TypeInfo, TypeRegistration, VariantInfo}; // TypePath // DynamicTypePath
+use serde_json::{json, Map, Value};
+
+use crate::{AssetRoot, ExportComponentsConfig};
+
+pub fn export_types(world: &mut World) {
+    let config = world
+        .get_resource::<ExportComponentsConfig>()
+        .expect("ExportComponentsConfig should exist at this stage");
+
+    let asset_root = world.resource::<AssetRoot>();
+    let registry_save_path = Path::join(&asset_root.0, &config.save_path);
+    println!("registry_save_path {}", registry_save_path.display());
+    let writer = File::create(registry_save_path).expect("should have created schema file");
+
+    let types = world.resource_mut::<AppTypeRegistry>();
+    let types = types.read();
+    let schemas = types.iter().map(export_type).collect::<Map<_, _>>();
+
+    serde_json::to_writer_pretty(
+        writer,
+        &json!({
+            "$schema": "https://json-schema.org/draft/2020-12/schema",
+            "title": "bevy component registry schema",
+            "$defs": schemas,
+        }),
+    )
+    .expect("valid json");
+
+    info!("Done exporting registry schema")
+}
+
+pub fn export_type(reg: &TypeRegistration) -> (String, Value) {
+    let t = reg.type_info();
+    let binding = t.type_path_table();
+    let short_name = binding.short_path();
+    let mut schema = match t {
+        TypeInfo::Struct(info) => {
+            let properties = info
+                .iter()
+                .enumerate()
+                .map(|(idx, field)| {
+                    (
+                        field.name().to_owned(),
+                        add_min_max(json!({ "type": typ(field.type_path()) }), reg, idx, None),
+                    )
+                })
+                .collect::<Map<_, _>>();
+
+            json!({
+                "type": "object",
+                "typeInfo": "Struct",
+                "title": t.type_path(),
+                "properties": properties,
+                "additionalProperties": false,
+                "required": info
+                    .iter()
+                    .filter(|field| !field.type_path().starts_with("core::option::Option"))
+                    .map(|field| field.name())
+                    .collect::<Vec<_>>(),
+            })
+        }
+        TypeInfo::Enum(info) => {
+            let simple = info
+                .iter()
+                .all(|variant| matches!(variant, VariantInfo::Unit(_)));
+            if simple {
+                json!({
+                    "type": "string",
+                    "typeInfo": "Enum",
+                    "title": t.type_path(),
+                    "oneOf": info
+                        .iter()
+                        .map(|variant| match variant {
+                            VariantInfo::Unit(v) => v.name(),
+                            _ => unreachable!(),
+                        })
+                        .collect::<Vec<_>>(),
+                })
+            } else {
+                let variants = info
+                .iter()
+                .enumerate()
+                .map(|(field_idx, variant)| match variant {
+                    //let binding = t.type_path_table();
+                    //let short_name = binding.short_path();
+                    VariantInfo::Struct(v) => json!({
+                        "type": "object",
+                        "typeInfo": "Struct",
+                        "title": v.name(),
+                        "short_name": v.name().split("::").last().unwrap_or(v.name()),
+                        "properties": v
+                            .iter()
+                            .enumerate()
+                            .map(|(variant_idx, field)| (field.name().to_owned(), add_min_max(json!({"type": typ(field.type_path()), "title": field.name()}), reg, field_idx, Some(variant_idx))))
+                            .collect::<Map<_, _>>(),
+                        "additionalProperties": false,
+                        "required": v
+                            .iter()
+                            .filter(|field| !field.type_path().starts_with("core::option::Option"))
+                            .map(|field| field.name())
+                            .collect::<Vec<_>>(),
+                    }),
+                    VariantInfo::Tuple(v) => json!({
+                        "type": "array",
+                        "typeInfo": "Tuple",
+                        "title": v.name(),
+                        "short_name":v.name(),
+                        "prefixItems": v
+                            .iter()
+                            .enumerate()
+                            .map(|(variant_idx, field)| add_min_max(json!({"type": typ(field.type_path())}), reg, field_idx, Some(variant_idx)))
+                            .collect::<Vec<_>>(),
+                        "items": false,
+                    }),
+                    VariantInfo::Unit(v) => json!({
+                        "title": v.name(),
+                    }),
+                })
+                .collect::<Vec<_>>();
+
+                json!({
+                    "type": "object",
+                    "typeInfo": "Enum",
+                    "title": t.type_path(),
+                    "oneOf": variants,
+                })
+            }
+        }
+        TypeInfo::TupleStruct(info) => json!({
+            "title": t.type_path(),
+            "type": "array",
+            "typeInfo": "TupleStruct",
+            "prefixItems": info
+                .iter()
+                .enumerate()
+                .map(|(idx, field)| add_min_max(json!({"type": typ(field.type_path())}), reg, idx, None))
+                .collect::<Vec<_>>(),
+            "items": false,
+        }),
+        TypeInfo::List(info) => {
+            json!({
+                "title": t.type_path(),
+                "type": "array",
+                "typeInfo": "List",
+                "items": json!({"type": typ(info.item_type_path_table().path())}),
+            })
+        }
+        TypeInfo::Array(info) => json!({
+            "title": t.type_path(),
+            "type": "array",
+            "typeInfo": "Array",
+            "items": json!({"type": typ(info.item_type_path_table().path())}),
+        }),
+        TypeInfo::Map(info) => json!({
+            "title": t.type_path(),
+            "type": "object",
+            "typeInfo": "Map",
+            "additionalProperties": json!({"type": typ(info.value_type_path_table().path())}),
+        }),
+        TypeInfo::Tuple(info) => json!({
+            "title": t.type_path(),
+            "type": "array",
+            "typeInfo": "Tuple",
+            "prefixItems": info
+                .iter()
+                .enumerate()
+                .map(|(idx, field)| add_min_max(json!({"type": typ(field.type_path())}), reg, idx, None))
+                .collect::<Vec<_>>(),
+            "items": false,
+        }),
+        TypeInfo::Value(info) => json!({
+            "title": t.type_path(),
+            "type": map_json_type(info.type_path()),
+            "typeInfo": "Value",
+        }),
+    };
+    schema.as_object_mut().unwrap().insert(
+        "isComponent".to_owned(),
+        reg.data::<ReflectComponent>().is_some().into(),
+    );
+    schema.as_object_mut().unwrap().insert(
+        "isResource".to_owned(),
+        reg.data::<ReflectResource>().is_some().into(),
+    );
+
+    schema
+        .as_object_mut()
+        .unwrap()
+        .insert("short_name".to_owned(), short_name.into());
+
+    (t.type_path().to_owned(), schema)
+}
+
+fn typ(t: &str) -> Value {
+    json!({ "$ref": format!("#/$defs/{t}") })
+}
+
+fn map_json_type(t: &str) -> Value {
+    match t {
+        "bool" => "boolean",
+        "u8" | "u16" | "u32" | "u64" | "u128" | "usize" => "uint",
+        "i8" | "i16" | "i32" | "i64" | "i128" | "isize" => "int",
+        "f32" | "f64" => "float",
+        "char" | "str" | "alloc::string::String" => "string",
+        _ => "object",
+    }
+    .into()
+}
+
+fn add_min_max(
+    mut val: Value,
+    reg: &TypeRegistration,
+    field_index: usize,
+    variant_index: Option<usize>,
+) -> Value {
+    #[cfg(feature = "support-inspector")]
+    fn get_min_max(
+        reg: &TypeRegistration,
+        field_index: usize,
+        variant_index: Option<usize>,
+    ) -> Option<(Option<f32>, Option<f32>)> {
+        use bevy_inspector_egui::inspector_options::{
+            std_options::NumberOptions, ReflectInspectorOptions, Target,
+        };
+
+        reg.data::<ReflectInspectorOptions>()
+            .and_then(|ReflectInspectorOptions(o)| {
+                o.get(if let Some(variant_index) = variant_index {
+                    Target::VariantField {
+                        variant_index,
+                        field_index,
+                    }
+                } else {
+                    Target::Field(field_index)
+                })
+            })
+            .and_then(|o| o.downcast_ref::<NumberOptions<f32>>())
+            .map(|num| (num.min, num.max))
+    }
+
+    #[cfg(not(feature = "support-inspector"))]
+    fn get_min_max(
+        _reg: &TypeRegistration,
+        _field_index: usize,
+        _variant_index: Option<usize>,
+    ) -> Option<(Option<f32>, Option<f32>)> {
+        None
+    }
+
+    let Some((min, max)) = get_min_max(reg, field_index, variant_index) else {
+        return val;
+    };
+    let obj = val.as_object_mut().unwrap();
+    if let Some(min) = min {
+        obj.insert("minimum".to_owned(), min.into());
+    }
+    if let Some(max) = max {
+        obj.insert("maximum".to_owned(), max.into());
+    }
+    val
+}

crates/bevy_registry_export/src/lib.rs

@@ -0,0 +1,73 @@
+pub mod export_types;
+use std::path::PathBuf;
+
+use bevy_app::Startup;
+use bevy_ecs::system::Resource;
+pub use export_types::*;
+
+use bevy::{
+    asset::AssetPlugin,
+    prelude::{App, Plugin},
+    scene::SceneFilter,
+};
+
+// Plugin configuration
+#[derive(Clone, Resource)]
+pub struct ExportComponentsConfig {
+    pub(crate) save_path: PathBuf,
+    #[allow(dead_code)]
+    pub(crate) component_filter: SceneFilter, // unused for now
+    #[allow(dead_code)]
+    pub(crate) resource_filter: SceneFilter, // unused for now
+}
+
+pub struct ExportRegistryPlugin {
+    pub component_filter: SceneFilter,
+    pub resource_filter: SceneFilter,
+    pub save_path: PathBuf,
+}
+
+impl Default for ExportRegistryPlugin {
+    fn default() -> Self {
+        Self {
+            component_filter: SceneFilter::default(),  // unused for now
+            resource_filter: SceneFilter::default(),   // unused for now
+            save_path: PathBuf::from("registry.json"), // relative to assets folder
+        }
+    }
+}
+
+impl Plugin for ExportRegistryPlugin {
+    fn build(&self, app: &mut App) {
+        app.register_asset_root()
+            .insert_resource(ExportComponentsConfig {
+                save_path: self.save_path.clone(),
+                component_filter: self.component_filter.clone(),
+                resource_filter: self.resource_filter.clone(),
+            })
+            .add_systems(Startup, export_types);
+    }
+}
+
+trait RegistryExportApp {
+    fn register_asset_root(&mut self) -> &mut Self;
+}
+impl RegistryExportApp for App {
+    fn register_asset_root(&mut self) -> &mut Self {
+        let asset_plugin = get_asset_plugin(self);
+        let path_str = asset_plugin.file_path.clone();
+        let path = PathBuf::from(path_str);
+        self.insert_resource(AssetRoot(path))
+    }
+}
+
+fn get_asset_plugin(app: &App) -> &AssetPlugin {
+    let asset_plugins: Vec<&AssetPlugin> = app.get_added_plugins();
+    asset_plugins.into_iter().next().expect(ASSET_ERROR)
+}
+
+const ASSET_ERROR: &str = "Bevy_registry_export requires access to the Bevy asset plugin. \
+    Please add `ExportRegistryPlugin` after `AssetPlugin`, which is commonly added as part of the `DefaultPlugins`";
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash, Resource)]
+pub(crate) struct AssetRoot(pub(crate) PathBuf);

crates/blenvy/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "blenvy"
-version = "0.1.0-alpha.1"
+version = "0.1.0"
 authors = ["Mark 'kaosat-dev' Moissette"]
 description = "Allows you to define Bevy components direclty inside gltf files and instanciate the components on the Bevy side."
 homepage = "https://github.com/kaosat-dev/Blenvy"

examples/README.md

@@ -1,4 +1,4 @@
 # Examples
 
-This folder contains numerous examples showing how to use Blenvy
+This folder contains numerous examples showing how to use both bevy_gltf_components and bevy_gltf_blueprints. 
-Each example is its own crate so its dependencies and assets are specific & clear.
+Each example is its own crate so its dependencies are specific & clear.

examples/blenvy/demo/src/core/physics_rapier/utils.rs

@@ -1,8 +1,54 @@
 use bevy::prelude::*;
-use bevy::render::mesh::PrimitiveTopology;
+use bevy::render::mesh::{MeshVertexAttributeId, PrimitiveTopology, VertexAttributeValues};
 // TAKEN VERBATIB FROM https://github.com/janhohenheim/foxtrot/blob/src/util/trait_extension.rs
 
+pub(crate) trait Vec3Ext: Copy {
+    fn is_approx_zero(self) -> bool;
+    fn split(self, up: Vec3) -> SplitVec3;
+}
+impl Vec3Ext for Vec3 {
+    #[inline]
+    fn is_approx_zero(self) -> bool {
+        self.length_squared() < 1e-5
+    }
+
+    #[inline]
+    fn split(self, up: Vec3) -> SplitVec3 {
+        let vertical = up * self.dot(up);
+        let horizontal = self - vertical;
+        SplitVec3 {
+            vertical,
+            horizontal,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub(crate) struct SplitVec3 {
+    pub(crate) vertical: Vec3,
+    pub(crate) horizontal: Vec3,
+}
+
+pub(crate) trait Vec2Ext: Copy {
+    fn is_approx_zero(self) -> bool;
+    fn x0y(self) -> Vec3;
+}
+impl Vec2Ext for Vec2 {
+    #[inline]
+    fn is_approx_zero(self) -> bool {
+        self.length_squared() < 1e-5
+    }
+
+    #[inline]
+    fn x0y(self) -> Vec3 {
+        Vec3::new(self.x, 0., self.y)
+    }
+}
+
 pub(crate) trait MeshExt {
+    fn transform(&mut self, transform: Transform);
+    fn transformed(&self, transform: Transform) -> Mesh;
+    fn read_coords_mut(&mut self, id: impl Into<MeshVertexAttributeId>) -> &mut Vec<[f32; 3]>;
     fn search_in_children<'a>(
         parent: Entity,
         children: &'a Query<&Children>,
@@ -12,6 +58,37 @@ pub(crate) trait MeshExt {
 }
 
 impl MeshExt for Mesh {
+    fn transform(&mut self, transform: Transform) {
+        for coords in self.read_coords_mut(Mesh::ATTRIBUTE_POSITION.clone()) {
+            let vec3 = (*coords).into();
+            let transformed = transform.transform_point(vec3);
+            *coords = transformed.into();
+        }
+        for normal in self.read_coords_mut(Mesh::ATTRIBUTE_NORMAL.clone()) {
+            let vec3 = (*normal).into();
+            let transformed = transform.rotation.mul_vec3(vec3);
+            *normal = transformed.into();
+        }
+    }
+
+    fn transformed(&self, transform: Transform) -> Mesh {
+        let mut mesh = self.clone();
+        mesh.transform(transform);
+        mesh
+    }
+
+    fn read_coords_mut(&mut self, id: impl Into<MeshVertexAttributeId>) -> &mut Vec<[f32; 3]> {
+        // Guaranteed by Bevy for the current usage
+        match self
+            .attribute_mut(id)
+            .expect("Failed to read unknown mesh attribute")
+        {
+            VertexAttributeValues::Float32x3(values) => values,
+            // Guaranteed by Bevy for the current usage
+            _ => unreachable!(),
+        }
+    }
+
     fn search_in_children<'a>(
         parent: Entity,
         children_query: &'a Query<&Children>,
@@ -48,3 +125,51 @@ impl MeshExt for Mesh {
         }
     }
 }
+
+pub(crate) trait F32Ext: Copy {
+    fn is_approx_zero(self) -> bool;
+    fn squared(self) -> f32;
+    fn lerp(self, other: f32, ratio: f32) -> f32;
+}
+
+impl F32Ext for f32 {
+    #[inline]
+    fn is_approx_zero(self) -> bool {
+        self.abs() < 1e-5
+    }
+
+    #[inline]
+    fn squared(self) -> f32 {
+        self * self
+    }
+
+    #[inline]
+    fn lerp(self, other: f32, ratio: f32) -> f32 {
+        self.mul_add(1. - ratio, other * ratio)
+    }
+}
+
+pub(crate) trait TransformExt: Copy {
+    fn horizontally_looking_at(self, target: Vec3, up: Vec3) -> Transform;
+    fn lerp(self, other: Transform, ratio: f32) -> Transform;
+}
+
+impl TransformExt for Transform {
+    fn horizontally_looking_at(self, target: Vec3, up: Vec3) -> Transform {
+        let direction = target - self.translation;
+        let horizontal_direction = direction - up * direction.dot(up);
+        let look_target = self.translation + horizontal_direction;
+        self.looking_at(look_target, up)
+    }
+
+    fn lerp(self, other: Transform, ratio: f32) -> Transform {
+        let translation = self.translation.lerp(other.translation, ratio);
+        let rotation = self.rotation.slerp(other.rotation, ratio);
+        let scale = self.scale.lerp(other.scale, ratio);
+        Transform {
+            translation,
+            rotation,
+            scale,
+        }
+    }
+}

examples/blenvy/demo/src/core/physics_xpbd/utils.rs

@@ -1,8 +1,54 @@
 use bevy::prelude::*;
-use bevy::render::mesh::PrimitiveTopology;
+use bevy::render::mesh::{MeshVertexAttributeId, PrimitiveTopology, VertexAttributeValues};
 // TAKEN VERBATIB FROM https://github.com/janhohenheim/foxtrot/blob/src/util/trait_extension.rs
 
+pub(crate) trait Vec3Ext: Copy {
+    fn is_approx_zero(self) -> bool;
+    fn split(self, up: Vec3) -> SplitVec3;
+}
+impl Vec3Ext for Vec3 {
+    #[inline]
+    fn is_approx_zero(self) -> bool {
+        self.length_squared() < 1e-5
+    }
+
+    #[inline]
+    fn split(self, up: Vec3) -> SplitVec3 {
+        let vertical = up * self.dot(up);
+        let horizontal = self - vertical;
+        SplitVec3 {
+            vertical,
+            horizontal,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub(crate) struct SplitVec3 {
+    pub(crate) vertical: Vec3,
+    pub(crate) horizontal: Vec3,
+}
+
+pub(crate) trait Vec2Ext: Copy {
+    fn is_approx_zero(self) -> bool;
+    fn x0y(self) -> Vec3;
+}
+impl Vec2Ext for Vec2 {
+    #[inline]
+    fn is_approx_zero(self) -> bool {
+        self.length_squared() < 1e-5
+    }
+
+    #[inline]
+    fn x0y(self) -> Vec3 {
+        Vec3::new(self.x, 0., self.y)
+    }
+}
+
 pub(crate) trait MeshExt {
+    fn transform(&mut self, transform: Transform);
+    fn transformed(&self, transform: Transform) -> Mesh;
+    fn read_coords_mut(&mut self, id: impl Into<MeshVertexAttributeId>) -> &mut Vec<[f32; 3]>;
     fn search_in_children<'a>(
         parent: Entity,
         children: &'a Query<&Children>,
@@ -12,6 +58,37 @@ pub(crate) trait MeshExt {
 }
 
 impl MeshExt for Mesh {
+    fn transform(&mut self, transform: Transform) {
+        for coords in self.read_coords_mut(Mesh::ATTRIBUTE_POSITION.clone()) {
+            let vec3 = (*coords).into();
+            let transformed = transform.transform_point(vec3);
+            *coords = transformed.into();
+        }
+        for normal in self.read_coords_mut(Mesh::ATTRIBUTE_NORMAL.clone()) {
+            let vec3 = (*normal).into();
+            let transformed = transform.rotation.mul_vec3(vec3);
+            *normal = transformed.into();
+        }
+    }
+
+    fn transformed(&self, transform: Transform) -> Mesh {
+        let mut mesh = self.clone();
+        mesh.transform(transform);
+        mesh
+    }
+
+    fn read_coords_mut(&mut self, id: impl Into<MeshVertexAttributeId>) -> &mut Vec<[f32; 3]> {
+        // Guaranteed by Bevy for the current usage
+        match self
+            .attribute_mut(id)
+            .expect("Failed to read unknown mesh attribute")
+        {
+            VertexAttributeValues::Float32x3(values) => values,
+            // Guaranteed by Bevy for the current usage
+            _ => unreachable!(),
+        }
+    }
+
     fn search_in_children<'a>(
         parent: Entity,
         children_query: &'a Query<&Children>,
@@ -48,3 +125,51 @@ impl MeshExt for Mesh {
         }
     }
 }
+
+pub(crate) trait F32Ext: Copy {
+    fn is_approx_zero(self) -> bool;
+    fn squared(self) -> f32;
+    fn lerp(self, other: f32, ratio: f32) -> f32;
+}
+
+impl F32Ext for f32 {
+    #[inline]
+    fn is_approx_zero(self) -> bool {
+        self.abs() < 1e-5
+    }
+
+    #[inline]
+    fn squared(self) -> f32 {
+        self * self
+    }
+
+    #[inline]
+    fn lerp(self, other: f32, ratio: f32) -> f32 {
+        self.mul_add(1. - ratio, other * ratio)
+    }
+}
+
+pub(crate) trait TransformExt: Copy {
+    fn horizontally_looking_at(self, target: Vec3, up: Vec3) -> Transform;
+    fn lerp(self, other: Transform, ratio: f32) -> Transform;
+}
+
+impl TransformExt for Transform {
+    fn horizontally_looking_at(self, target: Vec3, up: Vec3) -> Transform {
+        let direction = target - self.translation;
+        let horizontal_direction = direction - up * direction.dot(up);
+        let look_target = self.translation + horizontal_direction;
+        self.looking_at(look_target, up)
+    }
+
+    fn lerp(self, other: Transform, ratio: f32) -> Transform {
+        let translation = self.translation.lerp(other.translation, ratio);
+        let rotation = self.rotation.slerp(other.rotation, ratio);
+        let scale = self.scale.lerp(other.scale, ratio);
+        Transform {
+            translation,
+            rotation,
+            scale,
+        }
+    }
+}

tools/blenvy/README.md

@@ -6,13 +6,13 @@ This [Blender addon](https://github.com/kaosat-dev/Blender_bevy_components_workf
     - the UI is **automatically generated** based on a **registry schema** file, an export of all your **registered** Bevy components's information, generated
 by the registry export part of the [Blenvy](https://crates.io/crates/blenvy) crate
     - the ability to **toggle components** on/off without having to remove the component from the object
-- an easy way to create blueprints/prefabs (just collections !) & levels 
+
-- a way to setup you assets for your levels & blueprints
 - an automatic export of your level/world from Blender to gltf whenever you save your Blend file.
     - export of used /marked collections as [Gltf blueprints](../../crates/blenvy/README.md)
     - change detection, so that only the levels & blueprints you have changed get exported when you save your blend file
     - export of material librairies
 
+- a way to setup you assets for your levels & blueprints in Blender
 
 If you want to know more about the technical details , see [here]()
 
@@ -36,90 +36,34 @@ If you can I would generally recommend starting fresh, but a lot of effort has b
 
 ![blender addon install](./docs/blender_addon_install2.png)
 
-  * up to Blender 4.1
-  * for Blender 4.2 , just drag & drop the zip file onto Blender to start the installation process
-
 
 ## Quickstart
 
-* set your level & library scenes (the only things that are not pre-configured)
-
-![blenvy common settings](./docs/blenvy_configuration_common.png)
-
-* create your blueprints & levels
-* add components (remember to configure the Bevy side first )
-* save your blend file at any point , the rest is done automatically (export of levels & blueprints, etc)
-
 
 ## Configuration:
 
+
 ### Bevy side
 
  - setup the [Blenvy crate](https://crates.io/crates/blenvy) for your project (see the crate's documentation for that), and compile/run it to get the ```registry.json``` file to enable adding/editing your components in Blender
 
 ### Blender side
 
-
+> The add-on comes almost mostly pre-configured with sensible defaults, but you can set the following settings to your liking
-> The add-on comes almost completely pre-configured with sensible defaults, but you can set the following settings to your liking
 
 #### Common
 
-The first tab (and the one that is open by default in a new project) contains the common settings:
-
-![blenvy common settings](./docs/blenvy_configuration_common.png)
-
 you **need** to tell Blenvy 
-
     - what your level scenes are (what Blender scenes should become levels in Bevy) 
     - what your library scenes are (what Blender scenes will store your library of re-useable blueprints) 
 
 Blenvy is opinionated ! 
-
     - keep you art/sources (usually not delivered with your game) seperate from your game assets
     - keep your blueprints/levels/materials gltf files seperate
 
-##### Root Folder
-
-- this is the same folder as your Bevy projects main folder: the path here is relative to the current .blend file
-
-##### Assets Folder
-
-- a path, relative to the *root* folder above, where you want to store your assets (delivered with your game)
-
-##### Library Folder
-
-- a path, relative to the *assets* folder above, where you want to store your *blueprints*
-
-##### Levels Folder
-
-- a path, relative to the *assets* folder above, where you want to store your *levels*
-
-##### Materials Folder
-
-- a path, relative to the *assets* folder above, where you want to store your *materials*
-
-#####
-  - level scenes: what are the scenes in your .blend file that are levels/worlds
-  - library scenes: what are the scenes in your .blend file that contain your libraries of blueprints (that you then use in your levels)
-
-
-#### Recomended folder structure
-
-![recomended folder structure](./docs/blenvy_recommended_folder_structure.png)
-
-![recomended folder structure art](./docs/blenvy_recommended_folder_structure_art.png)
-
-![recomended folder structure assets](./docs/blenvy_recommended_folder_structure_assets.png)
-
-
 #### Components
 
-The second tab contains the component settings:
+> the defaults are already pre-set to match those on the Bevy side for the location of the ```registry.json``` file, unless you want to store it somewhere other than ```assets/registry.json```
-
-![blenvy component settings](./docs/blenvy_configuration_components.png)
-
-
-> you normally do not need to do anything, as the defaults are already pre-set to match those on the Bevy side for the location of the ```registry.json``` file, unless you want to store it somewhere other than ```assets/registry.json```
 
 - Go to the new Components tab in the **configuration** tab
 
@@ -141,11 +85,7 @@ The second tab contains the component settings:
 
 ![registry file polling](./docs/registry_polling.png)
 
-#### Export
+#### Auto-export
-
-Last but not least, the export/ auto-export settings tab
-
-![blenvy export settings](./docs/blenvy_configuration_export.png)
 
 ### Materials
 
@@ -172,7 +112,7 @@ If you want to use multiple blend files, use Blender's asset library etc, we got
 There are only a few things to keep in mind 
 
 #### Assets/library/blueprints files
-- mark your library scenes as specified above, but **do NOT** specify a **level** scene
+- mark your library scenes as specified above, but **do NOT** specify a **main** scene
 - mark any collection in your scenes as "assets"
 - choose "split" for the combine mode (as you want your gltf blueprints to be saved for external use)
 - do your Blender things as normal
@@ -180,7 +120,7 @@ There are only a few things to keep in mind
 - (optional) activate the **material library** option, so you only have one set of material per asset library (recomended)
 
 #### Level/world files
-- mark your level scenes as specified above ( personally I recommended **NOT** specifying a **library** scene in this case to keep things tidy, but that is up to you)
+- mark your main scenes as specified above ( personally I recommended **NOT** specifying a **library** scene in this case to keep things tidy, but that is up to you)
 - configure your asset libraries as you would usually do, I recomend using the "link" mode so that any changes to asset files are reflected correctly
 - drag & drop any assets from the blueprints library (as you would normally do in Blender as well)
 - choose "split" for the combine mode (as you want your gltf blueprints to be external usually & use the gltf files generated from your assets library)
@@ -190,8 +130,6 @@ There are only a few things to keep in mind
 Take a look at the [relevant](../../examples/demo/) example for more [details](../../examples/demo/art/) 
 
 
-
-
 ## Useage
 
 ### Components
@@ -321,7 +259,7 @@ ie this is an example scene...
 
 ![](./docs/workflow_original.jpg)
 
-and what actually gets exported for the level scene/world/level
+and what actually gets exported for the main scene/world/level
 
 ![](./docs/workflow_empties.jpg)
 

tools/blenvy/__init__.py

@@ -49,7 +49,7 @@ from .blueprints.operators import BLENVY_OT_blueprint_select
 
 # blenvy core
 from .core.blenvy_manager import BlenvyManager
-from .core.operators import BLENVY_OT_configuration_switch, BLENVY_OT_tooling_switch
+from .core.operators import BLENVY_OT_tooling_switch
 from .core.ui.ui import (BLENVY_PT_SidePanel)
 from .core.ui.scenes_list import BLENVY_OT_scenes_list_actions
 from .assets.assets_folder_browser import BLENVY_OT_assets_paths_browse
@@ -110,7 +110,6 @@ classes = [
     # blenvy
     BlenvyManager,
     BLENVY_OT_tooling_switch,
-    BLENVY_OT_configuration_switch,
 
     Asset,
     AssetsRegistry,

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

@@ -10,7 +10,7 @@ from ..blueprints.get_blueprints_to_export import get_blueprints_to_export
 from ..levels.get_levels_to_export import get_levels_to_export
 from .export_gltf import get_standard_exporter_settings
 
-from ..levels.export_levels import export_level_scene
+from ..levels.export_levels import export_main_scene
 from ..blueprints.export_blueprints import export_blueprints
 from .export_materials import cleanup_materials, export_materials
 from ..levels.bevy_scene_components import remove_scene_components, upsert_scene_components
@@ -52,7 +52,7 @@ def auto_export(changes_per_scene, changes_per_collection, changes_per_material,
 
         if export_scene_settings:
             # inject/ update scene components
-            upsert_scene_components(settings.level_scenes)
+            upsert_scene_components(settings.main_scenes)
         #inject/ update light shadow information
         for light in bpy.data.lights:
             enabled = 'true' if light.use_shadow else 'false'
@@ -65,8 +65,8 @@ def auto_export(changes_per_scene, changes_per_collection, changes_per_material,
             # get blueprints/collections infos
             (blueprints_to_export) = get_blueprints_to_export(changes_per_scene, changes_per_collection, changed_export_parameters, blueprints_data, settings)
              
-            # get level scenes infos
+            # get level/main scenes infos
-            (level_scenes_to_export) = get_levels_to_export(changes_per_scene, changes_per_collection, changed_export_parameters, blueprints_data, settings)
+            (main_scenes_to_export) = get_levels_to_export(changes_per_scene, changes_per_collection, changed_export_parameters, blueprints_data, settings)
 
             # since materials export adds components we need to call this before blueprints are exported
             # export materials & inject materials components into relevant objects
@@ -75,7 +75,7 @@ def auto_export(changes_per_scene, changes_per_collection, changes_per_material,
                 export_materials(blueprints_data.blueprint_names, settings.library_scenes, settings)
 
             # update the list of tracked exports
-            exports_total = len(blueprints_to_export) + len(level_scenes_to_export) + (1 if export_materials_library else 0)
+            exports_total = len(blueprints_to_export) + len(main_scenes_to_export) + (1 if export_materials_library else 0)
             bpy.context.window_manager.auto_export_tracker.exports_total = exports_total
             bpy.context.window_manager.auto_export_tracker.exports_count = exports_total
 
@@ -92,19 +92,19 @@ def auto_export(changes_per_scene, changes_per_collection, changes_per_material,
             print("-------------------------------")
             print("BLUEPRINTS:          to export:", [blueprint.name for blueprint in blueprints_to_export])
             print("-------------------------------")
-            print("MAIN SCENES:         to export:", level_scenes_to_export)
+            print("MAIN SCENES:         to export:", main_scenes_to_export)
             print("-------------------------------")
             # backup current active scene
             old_current_scene = bpy.context.scene
             # backup current selections
             old_selections = bpy.context.selected_objects
 
-            # first export any level/world scenes
+            # first export any main/level/world scenes
-            if len(level_scenes_to_export) > 0:
+            if len(main_scenes_to_export) > 0:
                 print("export MAIN scenes")
-                for scene_name in level_scenes_to_export:
+                for scene_name in main_scenes_to_export:
                     print("     exporting scene:", scene_name)
-                    export_level_scene(bpy.data.scenes[scene_name], settings, blueprints_data)
+                    export_main_scene(bpy.data.scenes[scene_name], settings, blueprints_data)
 
             # now deal with blueprints/collections
             do_export_library_scene = not change_detection or changed_export_parameters or len(blueprints_to_export) > 0
@@ -122,8 +122,8 @@ def auto_export(changes_per_scene, changes_per_collection, changes_per_material,
                 cleanup_materials(blueprints_data.blueprint_names, settings.library_scenes)
 
         else:
-            for scene in settings.level_scenes:
+            for scene in settings.main_scenes:
-                export_level_scene(scene, settings, [])
+                export_main_scene(scene, settings, [])
 
 
 
@@ -139,5 +139,5 @@ def auto_export(changes_per_scene, changes_per_collection, changes_per_material,
         # FIXME: error handling ? also redundant
         if export_scene_settings:
             # inject/ update scene components
-            remove_scene_components(settings.level_scenes)
+            remove_scene_components(settings.main_scenes)
 

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

@@ -11,13 +11,9 @@ def prepare_and_export():
     #bpy.context.window_manager.auto_export_tracker.disable_change_detection()
     blenvy = bpy.context.window_manager.blenvy
     auto_export_settings = blenvy.auto_export
-
-    # if there are no level or blueprint scenes, bail out early
-    if len(blenvy.level_scenes) == 0 and len(blenvy.library_scenes) == 0:
-        print("no level or library scenes, skipping auto export")
-        return 
-
     if auto_export_settings.auto_export: # only do the actual exporting if auto export is actually enabled
+
+        
         # determine changed objects
         per_scene_changes, per_collection_changes, per_material_changes, project_hash = get_changes_per_scene(settings=blenvy)
         # determine changed parameters 

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

@@ -323,7 +323,7 @@ def serialize_project(settings):
     print("serializing project")
 
     per_scene = {}
-    for scene in settings.level_scenes + settings.library_scenes: #bpy.data.scenes:
+    for scene in settings.main_scenes + settings.library_scenes: #bpy.data.scenes:
         print("scene", scene.name)
         # ignore temporary scenes
         if scene.name.startswith(TEMPSCENE_PREFIX):

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

@@ -10,7 +10,7 @@ parameter_names_whitelist_common = [
     'blueprints_path',
     'levels_path',
     'materials_path',
-    'level_scene_names',
+    'main_scene_names',
     'library_scene_names',
 ]
 

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

@@ -1,5 +1,5 @@
-def upsert_scene_components(level_scenes):
+def upsert_scene_components(main_scenes):
-    for scene in level_scenes:
+    for scene in main_scenes:
         if scene.world is not None:
             scene['BlenderBackgroundShader'] = ambient_color_to_component(scene.world)
         scene['BlenderShadowSettings'] = scene_shadows_to_component(scene)
@@ -17,7 +17,7 @@ def upsert_scene_components(level_scenes):
         scene['BlenderToneMapping'] = scene_tonemapping_to_component(scene)
         scene['BlenderColorGrading'] = scene_colorgrading_to_component(scene)
 
-def remove_scene_components(level_scenes):
+def remove_scene_components(main_scenes):
     pass
 
 def scene_tonemapping_to_component(scene):

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

@@ -1,5 +1,10 @@
+import json
 import os
-from blenvy.blueprints.blueprint_helpers import inject_blueprints_list_into_level_scene, remove_blueprints_list_from_level_scene
+from pathlib import Path
+from types import SimpleNamespace
+
+import bpy
+from blenvy.blueprints.blueprint_helpers import inject_blueprints_list_into_main_scene, remove_blueprints_list_from_main_scene
 from ..constants import TEMPSCENE_PREFIX
 from ..common.generate_temporary_scene_and_export import generate_temporary_scene_and_export, copy_hollowed_collection_into, clear_hollow_scene
 from ..common.export_gltf import (generate_gltf_export_settings, export_gltf)
@@ -7,7 +12,7 @@ from .is_object_dynamic import is_object_dynamic, is_object_static
 from ..utils import upsert_scene_assets
 
 
-def export_level_scene(scene, settings, blueprints_data): 
+def export_main_scene(scene, settings, blueprints_data): 
     gltf_export_settings = generate_gltf_export_settings(settings)
     assets_path_full = getattr(settings,"assets_path_full")
     levels_path_full = getattr(settings,"levels_path_full")
@@ -27,7 +32,7 @@ def export_level_scene(scene, settings, blueprints_data):
     if export_blueprints : 
         gltf_output_path = os.path.join(levels_path_full, scene.name)
 
-        inject_blueprints_list_into_level_scene(scene, blueprints_data, settings)
+        inject_blueprints_list_into_main_scene(scene, blueprints_data, settings)
         upsert_scene_assets(scene, blueprints_data=blueprints_data, settings=settings)
 
         if export_separate_dynamic_and_static_objects:
@@ -67,7 +72,7 @@ def export_level_scene(scene, settings, blueprints_data):
                 tempScene_cleaner= lambda temp_scene, params: clear_hollow_scene(original_root_collection=scene.collection, temp_scene=temp_scene, **params)
             )
 
-        remove_blueprints_list_from_level_scene(scene)
+        remove_blueprints_list_from_main_scene(scene)
 
     else:
         gltf_output_path = os.path.join(assets_path_full, scene.name)

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

@@ -6,7 +6,7 @@ def changed_object_in_scene(scene_name, changes_per_scene, blueprints_data, coll
     # Embed / EmbedExternal
     blueprints_from_objects = blueprints_data.blueprints_from_objects
 
-    blueprint_instances_in_scene = blueprints_data.blueprint_instances_per_level_scene.get(scene_name, None)
+    blueprint_instances_in_scene = blueprints_data.blueprint_instances_per_main_scene.get(scene_name, None)
     if blueprint_instances_in_scene is not None:
         changed_objects = [object_name for change in changes_per_scene.values() for object_name in change.keys()] 
         changed_blueprints = [blueprints_from_objects[changed] for changed in changed_objects if changed in blueprints_from_objects]
@@ -27,7 +27,7 @@ def changed_object_in_scene(scene_name, changes_per_scene, blueprints_data, coll
             elif combine_mode == 'EmbedExternal' and not blueprint.local:
                 level_needs_export = True
                 break
-        # changes => list of changed objects (regardless of wether they have been changed in level scene or in lib scene)
+        # changes => list of changed objects (regardless of wether they have been changed in main scene or in lib scene)
         # wich of those objects are blueprint instances
         # we need a list of changed objects that are blueprint instances
         return level_needs_export
@@ -56,8 +56,8 @@ def should_level_be_exported(scene_name, changed_export_parameters, changes_per_
 
 # this also takes the split/embed mode into account: if a collection instance changes AND embed is active, its container level/world should also be exported
 def get_levels_to_export(changes_per_scene, changes_per_collection, changed_export_parameters, blueprints_data, settings):
-    # determine list of level scenes to export
+    # determine list of main scenes to export
-    # we have more relaxed rules to determine if the level scenes have changed : any change is ok, (allows easier handling of changes, render settings etc)
+    # we have more relaxed rules to determine if the main scenes have changed : any change is ok, (allows easier handling of changes, render settings etc)
-    level_scenes_to_export = [scene_name for scene_name in settings.level_scenes_names if should_level_be_exported(scene_name, changed_export_parameters, changes_per_scene, blueprints_data, settings)]
+    main_scenes_to_export = [scene_name for scene_name in settings.main_scenes_names if should_level_be_exported(scene_name, changed_export_parameters, changes_per_scene, blueprints_data, settings)]
 
-    return (level_scenes_to_export)
+    return (main_scenes_to_export)

tools/blenvy/add_ons/auto_export/settings.py

@@ -19,7 +19,7 @@ class AutoExportSettings(PropertyGroup):
     auto_export: BoolProperty(
         name='Auto export',
         description='Automatically export to gltf on save',
-        default=True,
+        default=False,
         update=save_settings
     ) # type: ignore
 
@@ -75,7 +75,7 @@ class AutoExportSettings(PropertyGroup):
     export_materials_library: BoolProperty(
         name='Export materials library',
         description='remove materials from blueprints and use the material library instead',
-        default=True,
+        default=False,
         update=save_settings
     ) # type: ignore
 

tools/blenvy/add_ons/auto_export/utils.py

@@ -1,7 +1,7 @@
 import bpy
 import os
 from pathlib import Path
-from blenvy.assets.assets_scan import get_blueprint_asset_tree, get_level_scene_assets_tree2
+from blenvy.assets.assets_scan import get_blueprint_asset_tree, get_main_scene_assets_tree2
 
 def assets_to_fake_ron(list_like):
     result = []
@@ -15,14 +15,14 @@ def assets_to_fake_ron(list_like):
 
 # TODO : move to assets
 def upsert_scene_assets(scene, blueprints_data, settings):
-    """print("level scene", scene)
+    """print("main scene", scene)
     for asset in scene.user_assets:
         print("  user asset", asset.name, asset.path)
     for asset in scene.generated_assets:
         print("  generated asset", asset)"""
     """for blueprint in blueprints_data.blueprints_per_scenes[scene.name]:
         print("BLUEPRINT", blueprint)"""
-    blueprint_instances_in_scene = blueprints_data.blueprint_instances_per_level_scene.get(scene.name, {}).keys()
+    blueprint_instances_in_scene = blueprints_data.blueprint_instances_per_main_scene.get(scene.name, {}).keys()
     blueprints_in_scene = [blueprints_data.blueprints_per_name[blueprint_name] for blueprint_name in blueprint_instances_in_scene]
     #yala = [blueprint.collection.user_assets for blueprint in blueprints_in_scene]
     #print("dsfsdf", yala)
@@ -61,7 +61,7 @@ def upsert_scene_assets(scene, blueprints_data, settings):
     print("material_assets", material_assets, "extension", export_gltf_extension)
 
 
-    all_assets_raw = get_level_scene_assets_tree2(level_scene=scene, blueprints_data=blueprints_data, settings=settings)
+    all_assets_raw = get_main_scene_assets_tree2(main_scene=scene, blueprints_data=blueprints_data, settings=settings)
     local_assets =  [{"name": asset["name"], "path": asset["path"]} for asset in all_assets_raw if asset['parent'] is None and asset["path"] != "" ] 
     all_assets = [{"name": asset["name"], "path": asset["path"]} for asset in all_assets_raw if asset["path"] != "" ] 
     print("all_assets_raw", all_assets_raw)

tools/blenvy/assets/assets_scan.py

@@ -12,7 +12,7 @@ def scan_assets(scene, blueprints_data, settings):
     export_gltf_extension = getattr(settings, "export_gltf_extension")
 
     relative_blueprints_path = os.path.relpath(blueprints_path, project_root_path)
-    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_level_scene.get(scene.name, None)
+    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_main_scene.get(scene.name, None)
 
     blueprint_assets_list = []
     if blueprint_instance_names_for_scene:
@@ -89,12 +89,12 @@ def get_blueprint_assets_tree(blueprint, blueprints_data, parent, settings):
     assets_list += direct_assets
     return assets_list
 
-def get_level_scene_assets_tree(level_scene, blueprints_data, settings):
+def get_main_scene_assets_tree(main_scene, blueprints_data, settings):
     blueprints_path =  getattr(settings, "blueprints_path")
     export_gltf_extension = getattr(settings, "export_gltf_extension", ".glb")
-    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_level_scene.get(level_scene.name, None)
+    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_main_scene.get(main_scene.name, None)
 
-    assets_list = get_user_assets_as_list(level_scene)
+    assets_list = get_user_assets_as_list(main_scene)
     if blueprint_instance_names_for_scene:
         for blueprint_name in blueprint_instance_names_for_scene:
             blueprint = blueprints_data.blueprints_per_name.get(blueprint_name, None)
@@ -112,7 +112,7 @@ def get_level_scene_assets_tree(level_scene, blueprints_data, settings):
 
     print("TOTAL ASSETS", assets_list)
     # FIXME: do not do it here !!
-    scene = bpy.data.scenes[level_scene.name]
+    scene = bpy.data.scenes[main_scene.name]
     scene.generated_assets.clear()
     for asset in assets_list:
         if asset.get("generated", False):
@@ -122,12 +122,12 @@ def get_level_scene_assets_tree(level_scene, blueprints_data, settings):
     return assets_list
 
 # same as the above, withouth the clutter below : TODO: unify
-def get_level_scene_assets_tree2(level_scene, blueprints_data, settings):
+def get_main_scene_assets_tree2(main_scene, blueprints_data, settings):
     blueprints_path =  getattr(settings, "blueprints_path")
     export_gltf_extension = getattr(settings, "export_gltf_extension", ".glb")
-    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_level_scene.get(level_scene.name, None)
+    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_main_scene.get(main_scene.name, None)
 
-    assets_list = get_user_assets_as_list(level_scene)
+    assets_list = get_user_assets_as_list(main_scene)
     if blueprint_instance_names_for_scene:
         for blueprint_name in blueprint_instance_names_for_scene:
             blueprint = blueprints_data.blueprints_per_name.get(blueprint_name, None)

tools/blenvy/assets/operators.py

@@ -5,7 +5,7 @@ from bpy_types import (Operator)
 from bpy.props import (BoolProperty, StringProperty, EnumProperty)
 
 from .asset_helpers import does_asset_exist, get_user_assets, remove_asset, upsert_asset
-from .assets_scan import get_level_scene_assets_tree
+from .assets_scan import get_main_scene_assets_tree
 from ..core.path_helpers import absolute_path_from_blend_file
 from .generate_asset_file import write_ron_assets_file
 
@@ -186,8 +186,8 @@ class BLENVY_OT_assets_generate_files(Operator):
         blueprints_registry.refresh_blueprints()
         blueprints_data = blueprints_registry.blueprints_data
 
-        for scene in blenvy.level_scenes:
+        for scene in blenvy.main_scenes:
-            assets_hierarchy = get_level_scene_assets_tree(scene, blueprints_data, settings)
+            assets_hierarchy = get_main_scene_assets_tree(scene, blueprints_data, settings)
             # scene["assets"] = json.dumps(assets_hierarchy)
             write_ron_assets_file(scene.name, assets_hierarchy, internal_only = False, output_path_full = blenvy.levels_path_full)
 

tools/blenvy/assets/ui.py

@@ -1,6 +1,6 @@
 from types import SimpleNamespace
 import bpy
-from .assets_scan import get_level_scene_assets_tree
+from .assets_scan import get_main_scene_assets_tree
 from .asset_helpers import get_user_assets, does_asset_exist
 
 def draw_assets(layout, name, title, asset_registry, target_type, target_name, editable=True, user_assets= [], generated_assets = []):
@@ -92,15 +92,15 @@ class BLENVY_PT_assets_panel(bpy.types.Panel):
         settings = SimpleNamespace(**settings)
 
         if panel:
-            for scene in blenvy.level_scenes:
+            for scene in blenvy.main_scenes:
                 user_assets = get_user_assets(scene)
 
                 row = panel.row()
                 row.prop(scene, "always_export")
 
                 scene_assets_panel = draw_assets(layout=row, name=scene.name, title=f"{scene.name} Assets", asset_registry=asset_registry, user_assets=user_assets, target_type="SCENE", target_name=scene.name)
-                """if scene.name in blueprints_data.blueprint_instances_per_level_scene:
+                """if scene.name in blueprints_data.blueprint_instances_per_main_scene:
-                    for blueprint_name in blueprints_data.blueprint_instances_per_level_scene[scene.name].keys():
+                    for blueprint_name in blueprints_data.blueprint_instances_per_main_scene[scene.name].keys():
                         blueprint = blueprints_data.blueprints_per_name[blueprint_name]
                         blueprint_assets = get_user_assets(blueprint.collection)
                         if scene_assets_panel:

tools/blenvy/blueprints/blueprint_helpers.py

@@ -38,7 +38,7 @@ def inject_export_path_into_internal_blueprints(internal_blueprints, blueprints_
             blueprint.collection["materials_path"] = materials_exported_path
 
 
-def inject_blueprints_list_into_level_scene(scene, blueprints_data, settings):
+def inject_blueprints_list_into_main_scene(scene, blueprints_data, settings):
     project_root_path = getattr(settings, "project_root_path")
     assets_path = getattr(settings,"assets_path")
     levels_path = getattr(settings,"levels_path")
@@ -49,7 +49,7 @@ def inject_blueprints_list_into_level_scene(scene, blueprints_data, settings):
     assets_list_name = f"assets_list_{scene.name}_components"
     assets_list_data = {}
 
-    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_level_scene.get(scene.name, None)
+    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_main_scene.get(scene.name, None)
     blueprint_assets_list = []
     if blueprint_instance_names_for_scene:
         for blueprint_name in blueprint_instance_names_for_scene:
@@ -74,7 +74,7 @@ def inject_blueprints_list_into_level_scene(scene, blueprints_data, settings):
 
     #print("blueprint assets", blueprint_assets_list)
 
-def remove_blueprints_list_from_level_scene(scene):
+def remove_blueprints_list_from_main_scene(scene):
     assets_list = None
     assets_list_name = f"assets_list_{scene.name}_components"
 

tools/blenvy/blueprints/blueprints_registry.py

@@ -67,6 +67,6 @@ class BlueprintsRegistry(PropertyGroup):
         #print("titi", self)
         blenvy = bpy.context.window_manager.blenvy
         settings = blenvy
-        blueprints_data = blueprints_scan(settings.level_scenes, settings.library_scenes, settings)
+        blueprints_data = blueprints_scan(settings.main_scenes, settings.library_scenes, settings)
         self.blueprints_data = blueprints_data
         return blueprints_data

tools/blenvy/blueprints/blueprints_scan.py

@@ -7,14 +7,14 @@ from .blueprint import Blueprint
 # - marked as asset
 # - with the "auto_export" flag
 # https://blender.stackexchange.com/questions/167878/how-to-get-all-collections-of-the-current-scene
-def blueprints_scan(level_scenes, library_scenes, settings):
+def blueprints_scan(main_scenes, library_scenes, settings):
     blueprints = {}
     blueprints_from_objects = {}
     blueprint_name_from_instances = {}
     collections = []
     
-    # level scenes
+    # main scenes
-    blueprint_instances_per_level_scene = {}
+    blueprint_instances_per_main_scene = {}
     internal_collection_instances = {}
     external_collection_instances = {}
 
@@ -26,7 +26,7 @@ def blueprints_scan(level_scenes, library_scenes, settings):
             collection_category[collection_name] = [] #.append(collection_name)
         collection_category[collection_name].append(object)
 
-    for scene in level_scenes:# should it only be level scenes ? what about collection instances inside other scenes ?
+    for scene in main_scenes:# should it only be main scenes ? what about collection instances inside other scenes ?
         for object in scene.objects:
             #print("object", object.name)
             if object.instance_type == 'COLLECTION':
@@ -52,19 +52,19 @@ def blueprints_scan(level_scenes, library_scenes, settings):
                 # blueprints[collection_name].instances.append(object)
 
                 # FIXME: this only account for direct instances of blueprints, not for any nested blueprint inside a blueprint
-                if scene.name not in blueprint_instances_per_level_scene.keys():
+                if scene.name not in blueprint_instances_per_main_scene.keys():
-                    blueprint_instances_per_level_scene[scene.name] = {}
+                    blueprint_instances_per_main_scene[scene.name] = {}
-                if collection_name not in blueprint_instances_per_level_scene[scene.name].keys():
+                if collection_name not in blueprint_instances_per_main_scene[scene.name].keys():
-                    blueprint_instances_per_level_scene[scene.name][collection_name] = []
+                    blueprint_instances_per_main_scene[scene.name][collection_name] = []
-                blueprint_instances_per_level_scene[scene.name][collection_name].append(object)
+                blueprint_instances_per_main_scene[scene.name][collection_name].append(object)
 
                 blueprint_name_from_instances[object] = collection_name
                 
                 """# add any indirect ones
                 # FIXME: needs to be recursive, either here or above
                 for nested_blueprint in blueprints[collection_name].nested_blueprints:
-                    if not nested_blueprint in blueprint_instances_per_level_scene[scene.name]:
+                    if not nested_blueprint in blueprint_instances_per_main_scene[scene.name]:
-                        blueprint_instances_per_level_scene[scene.name].append(nested_blueprint)"""
+                        blueprint_instances_per_main_scene[scene.name].append(nested_blueprint)"""
 
     for collection in bpy.data.collections: 
         #print("collection", collection, collection.name_full, "users", collection.users)
@@ -83,7 +83,7 @@ def blueprints_scan(level_scenes, library_scenes, settings):
         if (
             'AutoExport' in collection and collection['AutoExport'] == True # get marked collections
             or collection.asset_data is not None # or if you have marked collections as assets you can auto export them too
-            or collection.name in list(internal_collection_instances.keys()) # or if the collection has an instance in one of the level scenes
+            or collection.name in list(internal_collection_instances.keys()) # or if the collection has an instance in one of the main scenes
             ):
             blueprint = Blueprint(collection.name)
             blueprint.local = True
@@ -108,7 +108,7 @@ def blueprints_scan(level_scenes, library_scenes, settings):
         #
         collections.append(collection)
 
-    # EXTERNAL COLLECTIONS: add any collection that has an instance in the level scenes, but is not present in any of the scenes (IE NON LOCAL/ EXTERNAL)
+    # EXTERNAL COLLECTIONS: add any collection that has an instance in the main scenes, but is not present in any of the scenes (IE NON LOCAL/ EXTERNAL)
     for collection_name in external_collection_instances:
         collection = bpy.data.collections[collection_name]
         blueprint = Blueprint(collection.name)
@@ -165,7 +165,7 @@ def blueprints_scan(level_scenes, library_scenes, settings):
     print(blueprints_from_objects)"""
 
     print("BLUEPRINT INSTANCES PER MAIN SCENE")
-    print(blueprint_instances_per_level_scene)'''
+    print(blueprint_instances_per_main_scene)'''
 
 
     """changes_test = {'Library': {
@@ -173,11 +173,11 @@ def blueprints_scan(level_scenes, library_scenes, settings):
         'Fox_mesh': bpy.data.objects['Fox_mesh'],
         'External_blueprint2_Cylinder': bpy.data.objects['External_blueprint2_Cylinder']}
     }
-    # which level scene has been impacted by this
+    # which main scene has been impacted by this
-    # does one of the level scenes contain an INSTANCE of an impacted blueprint
+    # does one of the main scenes contain an INSTANCE of an impacted blueprint
-    for scene in level_scenes:
+    for scene in main_scenes:
         changed_objects = list(changes_test["Library"].keys()) # just a hack for testing
-        #bluprint_instances_in_scene = blueprint_instances_per_level_scene[scene.name]
+        #bluprint_instances_in_scene = blueprint_instances_per_main_scene[scene.name]
         #print("instances per scene", bluprint_instances_in_scene, "changed_objects", changed_objects)
 
         changed_blueprints_with_instances_in_scene = [blueprints_from_objects[changed] for changed in changed_objects if changed in blueprints_from_objects]
@@ -226,7 +226,7 @@ def blueprints_scan(level_scenes, library_scenes, settings):
         "external_blueprints": external_blueprints,
         "blueprints_per_scenes": blueprints_per_scenes,
 
-        "blueprint_instances_per_level_scene": blueprint_instances_per_level_scene,
+        "blueprint_instances_per_main_scene": blueprint_instances_per_main_scene,
         "blueprint_instances_per_library_scene": blueprint_instances_per_library_scene,
 
         # not sure about these two

tools/blenvy/core/blenvy_manager.py

@@ -8,14 +8,14 @@ import blenvy.add_ons.bevy_components.settings as component_settings
 
 
 # list of settings we do NOT want to save
-settings_black_list = ['settings_save_enabled', 'level_scene_selector', 'library_scene_selector']
+settings_black_list = ['settings_save_enabled', 'main_scene_selector', 'library_scene_selector']
 
 def save_settings(settings, context):  
     if settings.settings_save_enabled:
         settings_dict =  generate_complete_settings_dict(settings, BlenvyManager, [])
         raw_settings =  {key: settings_dict[key] for key in settings_dict.keys() if key not in settings_black_list}
         # we need to inject the main & library scene names as they are computed properties, not blender ones
-        raw_settings['level_scenes_names'] = settings.level_scenes_names
+        raw_settings['main_scenes_names'] = settings.main_scenes_names
         raw_settings['library_scenes_names'] = settings.library_scenes_names
         upsert_settings(settings.settings_save_path, raw_settings, overwrite=True)
 
@@ -29,10 +29,10 @@ def update_asset_folders(settings, context):
 
 def is_scene_already_in_use(self, scene):
     try:
-        current_level_scene_names = list(map(lambda x: x.name, self.level_scenes))
+        current_main_scene_names = list(map(lambda x: x.name, self.main_scenes))
         current_library_scene_names = list(map(lambda x: x.name, self.library_scenes))
-        #print("scene ", scene.name, current_level_scene_names, current_library_scene_names)
+        #print("scene ", scene.name, current_main_scene_names, current_library_scene_names)
-        return scene.name not in current_level_scene_names and scene.name not in current_library_scene_names
+        return scene.name not in current_main_scene_names and scene.name not in current_library_scene_names
     except:
         return True
 
@@ -54,17 +54,6 @@ class BlenvyManager(PropertyGroup):
         update=save_settings
     ) # type: ignore
     
-    config_mode: EnumProperty(
-        items=(
-                ('COMMON', "Common", "Switch to common configuration"),
-                ('COMPONENTS', "Components", "Switch to components configuration"),
-                ('EXPORT', "Export", "Switch to export configuration"),
-        ),
-        default="COMMON",
-        update=save_settings
-    ) # type: ignore
-
-    
     project_root_path: StringProperty(
         name = "Project Root Path",
         description="The root folder of your (Bevy) project (not assets!)",
@@ -104,7 +93,7 @@ class BlenvyManager(PropertyGroup):
 
     levels_path: StringProperty(
         name='Levels path',
-        description='path to export the levels (level scenes) to (relative to the assets folder)',
+        description='path to export the levels (main scenes) to (relative to the assets folder)',
         default='levels',
         update= save_settings
     ) # type: ignore
@@ -130,16 +119,16 @@ class BlenvyManager(PropertyGroup):
     auto_export: PointerProperty(type=auto_export_settings.AutoExportSettings) # type: ignore
     components: PointerProperty(type=component_settings.ComponentsSettings) # type: ignore
 
-    level_scene_selector: PointerProperty(type=bpy.types.Scene, name="level scene", description="level scene picker", poll=is_scene_already_in_use, update=save_settings)# type: ignore
+    main_scene_selector: PointerProperty(type=bpy.types.Scene, name="main scene", description="main_scene_picker", poll=is_scene_already_in_use, update=save_settings)# type: ignore
-    library_scene_selector: PointerProperty(type=bpy.types.Scene, name="library scene", description="library scene picker", poll=is_scene_already_in_use, update=save_settings)# type: ignore
+    library_scene_selector: PointerProperty(type=bpy.types.Scene, name="library scene", description="library_scene_picker", poll=is_scene_already_in_use, update=save_settings)# type: ignore
 
     @property
-    def level_scenes(self):
+    def main_scenes(self):
         return [scene for scene in bpy.data.scenes if scene.blenvy_scene_type == 'Level']
     
     @property
-    def level_scenes_names(self):
+    def main_scenes_names(self):
-        return [scene.name for scene in self.level_scenes]
+        return [scene.name for scene in self.main_scenes]
     
     @property
     def library_scenes(self):
@@ -159,7 +148,7 @@ class BlenvyManager(PropertyGroup):
         bpy.types.Scene.blenvy_scene_type = EnumProperty(
             items= (
                 ('None', 'None', 'No blenvy type specified'),
-                ('Level', 'Level','Level scene'),
+                ('Level', 'Level','Main/ Level scene'),
                 ('Library', 'Library', 'Library scene'),
             ),
          default='None'

tools/blenvy/core/operators.py

@@ -1,8 +1,11 @@
 from bpy_types import (Operator)
 from bpy.props import (EnumProperty)
 
+
+
+
 class BLENVY_OT_tooling_switch(Operator):
-    """Switch blenvy tooling"""
+    """Switch bevy tooling"""
     bl_idname = "bevy.tooling_switch"
     bl_label = "Switch bevy tooling"
     #bl_options = {}
@@ -26,27 +29,3 @@ class BLENVY_OT_tooling_switch(Operator):
         context.window_manager.blenvy.mode = self.tool
         return {'FINISHED'}
     
-
-
-class BLENVY_OT_configuration_switch(Operator):
-    """Switch tooling configuration"""
-    bl_idname = "bevy.config_switch"
-    bl_label = "Switch blenvy configuration"
-    #bl_options = {}
-
-    tool: EnumProperty(
-            items=(
-                ('COMMON', "Common", "Switch to common configuration"),
-                ('COMPONENTS', "Components", "Switch to components configuration"),
-                ('EXPORT', "Export", "Switch to export configuration"),
-            )
-        ) # type: ignore
-
-    @classmethod
-    def description(cls, context, properties):
-        return properties.tool
-
-    def execute(self, context):
-        context.window_manager.blenvy.config_mode = self.tool
-        return {'FINISHED'}
-    

tools/blenvy/core/ui/scenes_list.py

@@ -28,8 +28,8 @@ class BLENVY_OT_scenes_list_actions(Operator):
     def invoke(self, context, event): 
         if self.action == 'REMOVE':
             bpy.data.scenes[self.scene_name].blenvy_scene_type = 'None'
-            context.window_manager.blenvy.level_scene_selector = None  # we use these to force update/save the list of level/library scenes 
+            context.window_manager.blenvy.main_scene_selector = None  # we use these to force update/save the list of main/library scenes 
-            context.window_manager.blenvy.library_scene_selector = None # we use these to force update/save the list of level/library scenes 
+            context.window_manager.blenvy.library_scene_selector = None # we use these to force update/save the list of main/library scenes 
             """info = 'Item "%s" removed from list' % (target[idx].name)
             target.remove(idx)
 
@@ -39,8 +39,8 @@ class BLENVY_OT_scenes_list_actions(Operator):
         if self.action == 'ADD':
             scene_to_add = None
             if self.scene_type == "LEVEL":
-                if context.window_manager.blenvy.level_scene_selector:
+                if context.window_manager.blenvy.main_scene_selector:
-                    scene_to_add = context.window_manager.blenvy.level_scene_selector
+                    scene_to_add = context.window_manager.blenvy.main_scene_selector
                     scene_to_add.blenvy_scene_type = "Level"
             else:
                 if context.window_manager.blenvy.library_scene_selector:
@@ -51,9 +51,9 @@ class BLENVY_OT_scenes_list_actions(Operator):
                 print("adding scene", scene_to_add)
                 
                 if self.scene_type == "LEVEL":
-                    context.window_manager.blenvy.level_scene_selector = None  # we use these to force update/save the list of level/library scenes 
+                    context.window_manager.blenvy.main_scene_selector = None  # we use these to force update/save the list of main/library scenes 
                 else:
-                    context.window_manager.blenvy.library_scene_selector = None  # we use these to force update/save the list of level/library scenes 
+                    context.window_manager.blenvy.library_scene_selector = None  # we use these to force update/save the list of main/library scenes 
 
                 #setattr(source, target_index, len(target) - 1)
 

tools/blenvy/core/ui/ui.py

@@ -72,82 +72,50 @@ class BLENVY_PT_SidePanel(bpy.types.Panel):
         tool_switch_components = target.operator(operator="bevy.tooling_switch", text="", icon="TOOL_SETTINGS")
         tool_switch_components.tool = "TOOLS"
 
+        # Debug stuff
+        """layout.label(text="Active Blueprint: "+ active_collection.name.upper())
+        layout.label(text="World scene active: "+ str(world_scene_active))
+        layout.label(text="Library scene active: "+ str(library_scene_active))
+        layout.label(text=blenvy.mode)"""
+
         if blenvy.mode == "SETTINGS":
-            config_mode = blenvy.config_mode
-            row = layout.row()
-            config_target = row.box() if config_mode == 'COMMON' else row
-            config_switch = config_target.operator(operator="bevy.config_switch", text="", icon="OPTIONS")
-            config_switch.tool = "COMMON"
-
-            config_target = row.box() if config_mode == 'COMPONENTS' else row
-            config_switch = config_target.operator(operator="bevy.config_switch", text="", icon="PROPERTIES")
-            config_switch.tool = "COMPONENTS"
-
-            config_target = row.box() if config_mode == 'EXPORT' else row
-            config_switch = config_target.operator(operator="bevy.config_switch", text="", icon="EXPORT")
-            config_switch.tool = "EXPORT"
-
-            if config_mode == 'COMMON':
             header, panel = layout.panel("common", default_closed=False)
             header.label(text="Common")
             if panel:
-                    draw_common_settings_ui(panel, blenvy)
+                row = panel.row()
-
-            if config_mode == 'COMPONENTS':
-                header, panel = layout.panel("components", default_closed=False)
-                header.label(text="Components")
-                if panel:
-                    components_ui.draw_settings_ui(panel, blenvy.components)
-
-            if config_mode == 'EXPORT':
-                header, panel = layout.panel("auto_export", default_closed=False)
-                header.label(text="Export")
-                if panel:
-                    auto_export_ui.draw_settings_ui(panel, blenvy.auto_export)
-
-
-
-
-def draw_common_settings_ui(layout, settings):
-    blenvy = settings
-    row = layout.row()
                 draw_folder_browser(layout=row, label="Root Folder", prop_origin=blenvy, target_property="project_root_path")
-    row = layout.row()
+                row = panel.row()
                 draw_folder_browser(layout=row, label="Assets Folder", prop_origin=blenvy, target_property="assets_path")
-    row = layout.row()
+                row = panel.row()
                 draw_folder_browser(layout=row, label="Blueprints Folder", prop_origin=blenvy, target_property="blueprints_path")
-    row = layout.row()
+                row = panel.row()
                 draw_folder_browser(layout=row, label="Levels Folder", prop_origin=blenvy, target_property="levels_path")
-    row = layout.row()
+                row = panel.row()
                 draw_folder_browser(layout=row, label="Materials Folder", prop_origin=blenvy, target_property="materials_path")
 
-    layout.separator()
+                panel.separator()
                 # scenes selection
-    if len(blenvy.level_scenes) == 0 and len(blenvy.library_scenes) == 0:
+                if len(blenvy.main_scenes) == 0 and len(blenvy.library_scenes) == 0:
-        row = layout.row()
+                    row = panel.row()
                     row.alert = True
-        layout.alert = True
+                    panel.alert = True
-        row.label(text="NO library or level scenes specified! at least one level scene or library scene is required!")
+                    row.label(text="NO library or main scenes specified! at least one main scene or library scene is required!")
-        row = layout.row()
+                    row = panel.row()
-        row.label(text="Please select and add at least one:")
+                    row.label(text="Please select and add one using the UI below")
 
-    section = layout
+                section = panel
                 rows = 2
                 row = section.row()
-    col = row.column()
+                row.label(text="main scenes")
-    col.label(text="level scenes")
+                row.prop(blenvy, "main_scene_selector", text='')
-    col = row.column()
+                add_operator = row.operator("blenvy.scenes_list_actions", icon='ADD', text="")
-    col.prop(blenvy, "level_scene_selector", text='')
-    col = row.column()
-    add_operator = col.operator("blenvy.scenes_list_actions", icon='ADD', text="")
                 add_operator.action = 'ADD'
                 add_operator.scene_type = 'LEVEL'
-    col.enabled = blenvy.level_scene_selector is not None
+                #sub_row.enabled = blenvy.main_scene_selector is not None
-
 
                 row = section.row()
                 col = row.column()
-    for scene in blenvy.level_scenes:
+                for scene in blenvy.main_scenes:
                     sub_row = col.box().row()
                     sub_row.label(text=scene.name)
                     remove_operator = sub_row.operator("blenvy.scenes_list_actions", icon='TRASH', text="")
@@ -159,16 +127,11 @@ def draw_common_settings_ui(layout, settings):
 
                 # library scenes
                 row = section.row()
-
+                row.label(text="library scenes")
-    col = row.column()
+                row.prop(blenvy, "library_scene_selector", text='')
-    col.label(text="library scenes")
+                add_operator = row.operator("blenvy.scenes_list_actions", icon='ADD', text="")
-    col = row.column()
-    col.prop(blenvy, "library_scene_selector", text='')
-    col = row.column()
-    add_operator = col.operator("blenvy.scenes_list_actions", icon='ADD', text="")
                 add_operator.action = 'ADD'
                 add_operator.scene_type = 'LIBRARY'
-    col.enabled = blenvy.library_scene_selector is not None
 
                 row = section.row()
                 col = row.column()
@@ -180,3 +143,15 @@ def draw_common_settings_ui(layout, settings):
                     remove_operator.scene_type = 'LEVEL'
                     remove_operator.scene_name = scene.name
                 col.separator()
+            
+            header, panel = layout.panel("components", default_closed=False)
+            header.label(text="Components")
+            if panel:
+                components_ui.draw_settings_ui(panel, blenvy.components)
+
+            header, panel = layout.panel("auto_export", default_closed=False)
+            header.label(text="Auto Export")
+            if panel:
+                auto_export_ui.draw_settings_ui(panel, blenvy.auto_export)
+
+

tools/blenvy/levels/ui.py

@@ -27,7 +27,7 @@ class BLENVY_PT_levels_panel(bpy.types.Panel):
         #blueprints_registry.refresh_blueprints()
         blueprints_data = blueprints_registry.blueprints_data
 
-        for scene in blenvy.level_scenes:
+        for scene in blenvy.main_scenes:
             header, panel = layout.box().panel(f"level_assets{scene.name}", default_closed=False)
             if header:
                 header.label(text=scene.name)#, icon="HIDE_OFF")

tools/blenvy/old.md

@@ -98,23 +98,23 @@ This issue has been resolved in v0.9.
 
 ### Blueprints
 
-You can enable this option to automatically replace all the **collection instances** inside your level scene with blueprints
+You can enable this option to automatically replace all the **collection instances** inside your main scene with blueprints
-- whenever you change your level scene (or your library scene , if that option is enabled), all your collection instances 
+- whenever you change your main scene (or your library scene , if that option is enabled), all your collection instances 
     * will be replaced with empties (this will not be visible to you)
     * those empties will have additional custom properties / components : ```BlueprintInfo``` & ```SpawnBlueprint```
-    * your level scene/ level will be exported to a much more trimmed down gltf file (see next point)
+    * your main scene/ level will be exported to a much more trimmed down gltf file (see next point)
     * all the original collections (that you used to create the instances) will be exported as **seperate gltf files** into the "library" folder
 
 - this means you will have 
     * one small main gltf file (your level/world)
-    * as many gltf files as you have used collections in the level scene , in the library path you specified :
+    * as many gltf files as you have used collections in the main scene , in the library path you specified :
     for the included [basic](../../examples/bevy_gltf_blueprints/basic/) example's [assets](../../examples/bevy_gltf_blueprints/basic/assets/), it looks something like this: 
 
     ![library](./docs/exported_library_files.png)
     
     the .blend file that they are generated from can be found [here](../../examples/bevy_gltf_blueprints/basic/assets/advanced.blend)
 
-- the above only applies to collections that have **instances** in your level scene!
+- the above only applies to collections that have **instances** in your main scene!
     if you want a specific collection in your library to always get exported regardless of its use, you need to add 
     a **COLLECTION** (boolean) custom property called ```AutoExport``` set to true
     > not at the object level ! the collection level !

tools/blenvy/tests/test_change_tracking.py

@@ -63,9 +63,9 @@ def test_export_change_tracking_custom_properties(setup_data):
     prepare_auto_export()
 
     def first_change():
-        # now add a custom property to the cube in the level scene & export again
+        # now add a custom property to the cube in the main scene & export again
         print("----------------")
-        print("level scene change (custom property)")
+        print("main scene change (custom property)")
         print("----------------")
         bpy.data.objects["Cube"]["test_property"] = 42
 
@@ -86,7 +86,7 @@ def test_export_change_tracking_custom_properties_collection_instances_combine_m
 
     def second_change():
         # add a custom property to the cube in the library scene & export again
-        # this should trigger changes in the level scene as well since the mode is embed & this blueprints has an instance in the level scene
+        # this should trigger changes in the main scene as well since the mode is embed & this blueprints has an instance in the main scene
         print("----------------")
         print("library change (custom property)")
         print("----------------")
@@ -94,7 +94,7 @@ def test_export_change_tracking_custom_properties_collection_instances_combine_m
 
     def third_change():
         # now we set the _combine mode of the instance to "split", so auto_export should:
-        # * not take the changes into account in the level scene
+        # * not take the changes into account in the main scene
         # * export the blueprint (so file for Blueprint1 will be changed)
         bpy.data.objects["Blueprint1"]["_combine"] = "Split"
 
@@ -117,9 +117,9 @@ def test_export_change_tracking_light_properties(setup_data):
     prepare_auto_export()
 
     def first_change():
-        # now add a custom property to the cube in the level scene & export again
+        # now add a custom property to the cube in the main scene & export again
         print("----------------")
-        print("level scene change (light, energy)")
+        print("main scene change (light, energy)")
         print("----------------")
 
         bpy.data.lights["Light"].energy = 100
@@ -128,14 +128,14 @@ def test_export_change_tracking_light_properties(setup_data):
 
     def second_change():
         print("----------------")
-        print("level scene change (light, shadow_cascade_count)")
+        print("main scene change (light, shadow_cascade_count)")
         print("----------------")
 
         bpy.data.lights["Light"].shadow_cascade_count = 2
 
     def third_change():
         print("----------------")
-        print("level scene change (light, use_shadow)")
+        print("main scene change (light, use_shadow)")
         print("----------------")
 
         bpy.data.lights["Light"].use_shadow = False
@@ -153,7 +153,7 @@ def test_export_change_tracking_camera_properties(setup_data):
 
     def first_change():
         print("----------------")
-        print("level scene change (camera)")
+        print("main scene change (camera)")
         print("----------------")
 
         bpy.data.cameras["Camera"].angle = 0.5
@@ -170,20 +170,20 @@ def test_export_change_tracking_material_properties(setup_data):
 
     def first_change():
         print("----------------")
-        print("level scene change (material, clip)")
+        print("main scene change (material, clip)")
         print("----------------")
 
         bpy.data.materials["Material.001"].blend_method = 'CLIP'
     
     def second_change():
         print("----------------")
-        print("level scene change (material, alpha_threshold)")
+        print("main scene change (material, alpha_threshold)")
         print("----------------")
         bpy.data.materials["Material.001"].alpha_threshold = 0.2
 
     def third_change():
         print("----------------")
-        print("level scene change (material, diffuse_color)")
+        print("main scene change (material, diffuse_color)")
         print("----------------")
         bpy.data.materials["Material.001"].diffuse_color[0] = 0.2
 
@@ -200,7 +200,7 @@ def test_export_change_tracking_material_properties(setup_data):
 - setup gltf parameters & auto_export parameters
 - calls exporter on the testing scene
 - saves timestamps of generated files
-- changes things in the level scene and/or library
+- changes things in the main scene and/or library
 - checks if timestamps have changed
 - if all worked => test is a-ok
 - removes generated files
@@ -219,7 +219,7 @@ def test_export_various_chained_changes(setup_data):
     def second_change():
         # now move the main cube & export again
         print("----------------")
-        print("level scene change")
+        print("main scene change")
         print("----------------")
 
         bpy.context.window_manager.auto_export_tracker.enable_change_detection() # FIXME: should not be needed, but ..

tools/blenvy/tests/test_changed_parameters.py

@@ -92,7 +92,7 @@ def test_export_no_parameters(setup_data):
 def test_export_auto_export_parameters_only(setup_data):
     auto_export_operator = bpy.ops.export_scenes.auto_gltf
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library'],
     }
   
@@ -119,7 +119,7 @@ def test_export_changed_parameters(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library'],
     }
   
@@ -216,7 +216,7 @@ def test_export_changed_parameters(setup_data):
     print("fourth export, changed auto parameters")
 
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library'],
         "export_materials_library": False # we need to add it here, as the direct settings set on the operator will only be used for the NEXT run
     }

tools/blenvy/tests/test_export_parameters.py

@@ -70,7 +70,7 @@ def test_export_do_not_export_blueprints(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
     stored_auto_settings = bpy.data.texts[".gltf_auto_export_settings"] if ".gltf_auto_export_settings" in bpy.data.texts else bpy.data.texts.new(".gltf_auto_export_settings")
@@ -96,7 +96,7 @@ def test_export_custom_blueprints_path(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
 
@@ -123,7 +123,7 @@ def test_export_materials_library(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
     stored_settings = bpy.data.texts[".gltf_auto_export_settings"] if ".gltf_auto_export_settings" in bpy.data.texts else bpy.data.texts.new(".gltf_auto_export_settings")
@@ -150,7 +150,7 @@ def test_export_materials_library_custom_path(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
     stored_settings = bpy.data.texts[".gltf_auto_export_settings"] if ".gltf_auto_export_settings" in bpy.data.texts else bpy.data.texts.new(".gltf_auto_export_settings")
@@ -179,7 +179,7 @@ def test_export_collection_instances_combine_mode(setup_data): # There is more i
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
     stored_settings = bpy.data.texts[".gltf_auto_export_settings"] if ".gltf_auto_export_settings" in bpy.data.texts else bpy.data.texts.new(".gltf_auto_export_settings")
@@ -209,7 +209,7 @@ def test_export_do_not_export_marked_assets(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
     stored_settings = bpy.data.texts[".gltf_auto_export_settings"] if ".gltf_auto_export_settings" in bpy.data.texts else bpy.data.texts.new(".gltf_auto_export_settings")
@@ -239,7 +239,7 @@ def test_export_separate_dynamic_and_static_objects(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
     stored_settings = bpy.data.texts[".gltf_auto_export_settings"] if ".gltf_auto_export_settings" in bpy.data.texts else bpy.data.texts.new(".gltf_auto_export_settings")
@@ -270,7 +270,7 @@ def test_export_should_not_generate_orphan_data(setup_data):
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library']
     }
     stored_settings = bpy.data.texts[".gltf_auto_export_settings"] if ".gltf_auto_export_settings" in bpy.data.texts else bpy.data.texts.new(".gltf_auto_export_settings")

tools/blenvy/tests/test_helpers.py

@@ -8,7 +8,7 @@ def prepare_auto_export(auto_export_overrides={}, gltf_export_settings = {"expor
     # first, configure things
     # we use the global settings for that
     export_props = {
-        "level_scene_names" : ['World'],
+        "main_scene_names" : ['World'],
         "library_scene_names": ['Library'],
         **auto_export_overrides
     }