crates/bevy_gltf_blueprints/src/lib.rs

@@ -122,7 +122,8 @@ impl Plugin for BlueprintsPlugin {
         .register_type::<Animations>()
         .register_type::<BlueprintsList>()
         .register_type::<Vec<String>>()
-        .register_type::<HashMap<String, Vec<String>>>()
+        .register_type::<HashMap<String,Vec<String>>>()
+        
         .insert_resource(BluePrintsConfig {
             format: self.format,
             library_folder: self.library_folder.clone(),
@@ -143,21 +144,26 @@ impl Plugin for BlueprintsPlugin {
         .add_systems(
             Update,
             (
-                (
+                ( 
                     prepare_blueprints,
                     check_for_loaded,
-                    spawn_from_blueprints,
-                    apply_deferred,
+                    spawn_from_blueprints, 
+                    apply_deferred
                 )
                     .chain(),
-                (compute_scene_aabbs, apply_deferred)
+                (
+                    compute_scene_aabbs,
+                    apply_deferred
+                )
                     .chain()
                     .run_if(aabbs_enabled),
+
                 apply_deferred,
+                
                 (
                     materials_inject,
                     check_for_material_loaded,
-                    materials_inject2,
+                    materials_inject2
                 )
                     .chain()
                     .run_if(materials_library_enabled),

crates/bevy_gltf_blueprints/src/materials.rs

@@ -1,17 +1,13 @@
 use std::path::Path;
 
 use bevy::{
-    asset::{AssetServer, Assets, Handle},
+    asset::{AssetId, AssetServer, Assets, Handle},
     ecs::{
-        component::Component,
-        entity::Entity,
-        query::{Added, With},
-        reflect::ReflectComponent,
-        system::{Commands, Query, Res, ResMut},
+        component::Component, entity::Entity, query::{Added, With}, reflect::ReflectComponent, system::{Commands, Query, Res, ResMut}
     },
     gltf::Gltf,
     hierarchy::{Children, Parent},
-    log::debug,
+    log::{debug, info},
     pbr::StandardMaterial,
     reflect::Reflect,
     render::mesh::Mesh,
@@ -63,24 +59,25 @@ pub(crate) fn materials_inject(
             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(),
-                }
-            ];
+            let mut asset_infos:Vec<AssetLoadTracker<Gltf>> = vec![];
 
+            asset_infos.push(AssetLoadTracker {
+                name: material_full_path,
+                id: material_file_id,
+                loaded: false,
+                handle: material_file_handle.clone()
+            });
             commands
                 .entity(entity)
-                .insert(AssetsToLoad {
+                .insert(AssetsToLoad{
                     all_loaded: false,
-                    asset_infos,
-                    ..Default::default()
+                    asset_infos: asset_infos,
+                    progress: 0.0
+                    //..Default::default()
                 })
                 .insert(BlueprintMaterialAssetsNotLoaded);
             /**/
@@ -90,50 +87,41 @@ pub(crate) fn materials_inject(
 
 // 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>,
-    >,
+    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() {
+){
+    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() {
+        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 {
+            }else{
                 all_loaded = false;
             }
         }
-        let progress: f32 = loaded_amount as f32 / total as f32;
+        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)
+            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>,
-        ),
-    >,
+    material_infos: Query<(&MaterialInfo, &Children, ), (Added<BlueprintMaterialAssetsLoaded>, With<BlueprintMaterialAssetsLoaded>)>,
     with_materials_and_meshes: Query<
         (),
         (
@@ -169,8 +157,8 @@ pub(crate) fn materials_inject2(
                 .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
+        }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");

crates/bevy_gltf_blueprints/src/spawn_from_blueprints.rs

@@ -48,29 +48,23 @@ pub(crate) struct OriginalChildren(pub Vec<Entity>);
 
 #[derive(Component, Reflect, Default, Debug)]
 #[reflect(Component)]
-pub struct BlueprintsList(pub HashMap<String, Vec<String>>);
+pub struct BlueprintsList(pub HashMap<String,Vec<String>>);
 
 #[derive(Default, Debug)]
-pub(crate) struct AssetLoadTracker<T: bevy::prelude::Asset> {
-    #[allow(dead_code)]
+pub(crate) struct AssetLoadTracker<T:bevy::prelude::Asset>{
     pub name: String,
     pub id: AssetId<T>,
     pub loaded: bool,
-    #[allow(dead_code)]
-    pub handle: Handle<T>,
+    pub handle: Handle<T>
 }
-#[derive(Component, Debug)]
-pub(crate) struct AssetsToLoad<T: bevy::prelude::Asset> {
+#[derive(Component, Default, 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() }
-    }
+    pub progress: f32
 }
 
+
 /// flag component
 #[derive(Component)]
 pub(crate) struct BlueprintAssetsLoaded;
@@ -97,8 +91,15 @@ pub(crate) fn prepare_blueprints(
     asset_server: Res<AssetServer>,
     blueprints_config: Res<BluePrintsConfig>,
 ) {
-    for (entity, blupeprint_name, original_parent, library_override, name, blueprints_list) in
-        spawn_placeholders.iter()
+    for (
+        entity,
+        blupeprint_name,
+        original_parent,
+        library_override,
+        name,
+
+        blueprints_list,
+    ) in spawn_placeholders.iter()
     {
         debug!(
             "requesting to spawn {:?} for entity {:?}, id: {:?}, parent:{:?}",
@@ -109,10 +110,19 @@ pub(crate) fn prepare_blueprints(
         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);
+            let mut asset_infos:Vec<AssetLoadTracker<Gltf>> = vec![];
+
             for (blueprint_name, _) in blueprints_list.0.iter() {
+                /*if blueprint_name == what {
+                    println!("WHOLY MOLLY !")
+                }*/
+                // println!("library path {:?}", library_path);
+                let mut library_path = &blueprints_config.library_folder; // TODO: we cannot use the overriden library path
+                // FIXME: hack
+                if blueprint_name == "World" {
+                    library_path= &library_override.unwrap().0;
+                }
+
                 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()));
 
@@ -124,60 +134,61 @@ pub(crate) fn prepare_blueprints(
                         name: model_path.to_string_lossy().into(),
                         id: model_id,
                         loaded: false,
-                        handle: model_handle.clone(),
-                    });
+                        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() {
+            if asset_infos.len() > 0 {
                 commands
-                    .entity(entity)
-                    .insert(AssetsToLoad {
-                        all_loaded: false,
-                        asset_infos,
-                        ..Default::default()
-                    })
-                    .insert(BlueprintAssetsNotLoaded);
-            } else {
-                commands.entity(entity).insert(BlueprintAssetsLoaded);
+                .entity(entity)
+                .insert(AssetsToLoad{
+                    all_loaded: false,
+                    asset_infos: asset_infos,
+                    progress: 0.0
+                    //..Default::default()
+                })
+                .insert(BlueprintAssetsNotLoaded);
+            }else {
+                commands
+                .entity(entity)
+                .insert(BlueprintAssetsLoaded);
             }
-        } else {
-            // in case there are no blueprintsList
-            commands.entity(entity).insert(BlueprintAssetsLoaded);
+        }
+        else { // in case there are no blueprintsList
+            commands
+            .entity(entity)
+            .insert(BlueprintAssetsLoaded);
         }
     }
 }
 
 pub(crate) fn check_for_loaded(
-    mut blueprint_assets_to_load: Query<
-        (Entity, &mut AssetsToLoad<Gltf>),
-        With<BlueprintAssetsNotLoaded>,
-    >,
+    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() {
+){
+    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() {
+        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 {
+            }else{
                 all_loaded = false;
             }
         }
-        let progress: f32 = loaded_amount as f32 / total as f32;
+        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)
+            commands.entity(entity)
                 .insert(BlueprintAssetsLoaded)
                 .remove::<BlueprintAssetsNotLoaded>();
         }
@@ -186,20 +197,16 @@ pub(crate) fn check_for_loaded(
 
 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>,
-        ),
+    (
+        Entity,
+        &BlueprintName,
+        Option<&Transform>,
+        Option<&Parent>,
+        Option<&Library>,
+        Option<&AddToGameWorld>,
+        Option<&Name>,
+    ),
+    (With<BlueprintAssetsLoaded>, Added<BlueprintAssetsLoaded>, Without<BlueprintAssetsNotLoaded>),
     >,
 
     mut commands: Commands,
@@ -210,7 +217,8 @@ pub(crate) fn spawn_from_blueprints(
     blueprints_config: Res<BluePrintsConfig>,
 
     children: Query<&Children>,
-) {
+){
+
     for (
         entity,
         blupeprint_name,
@@ -219,6 +227,7 @@ pub(crate) fn spawn_from_blueprints(
         library_override,
         add_to_world,
         name,
+
     ) in spawn_placeholders.iter()
     {
         info!(
@@ -235,7 +244,7 @@ pub(crate) fn spawn_from_blueprints(
         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); // FIXME: kinda weird now
+        let model_handle: Handle<Gltf> = asset_server.load(model_path);// FIXME: kinda weird now 
 
         let gltf = assets_gltf
             .get(&model_handle)
@@ -282,4 +291,4 @@ pub(crate) fn spawn_from_blueprints(
             commands.entity(world).add_child(entity);
         }
     }
-}
+}

crates/bevy_gltf_blueprints/src/spawn_post_process.rs

@@ -7,10 +7,7 @@ use bevy::scene::SceneInstance;
 
 use super::{AnimationPlayerLink, Animations};
 use super::{SpawnHere, Spawned};
-use crate::{
-    AssetsToLoad, BlueprintAssetsLoaded, CopyComponents, InBlueprint, NoInBlueprint,
-    OriginalChildren,
-};
+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
@@ -93,7 +90,7 @@ pub(crate) fn spawned_blueprint_post_process(
         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::<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();
     }

testing/bevy_example/src/core/mod.rs

@@ -11,7 +11,7 @@ impl Plugin for CorePlugin {
                 legacy_mode: false,
                 library_folder: "models/library".into(),
                 format: GltfFormat::GLB,
-                material_library: true,
+                material_library:true,
                 aabbs: true,
                 ..Default::default()
             },

testing/bevy_example/src/game/in_game.rs

@@ -1,8 +1,6 @@
-use bevy::prelude::*;
-use bevy_gltf_blueprints::{
-    BluePrintBundle, BlueprintName, GameWorldTag,
-};
-use bevy_gltf_worlflow_examples_common_rapier::{GameState, InAppRunning};
+use bevy::{prelude::*, utils::hashbrown::HashMap};
+use bevy_gltf_blueprints::{BluePrintBundle, BlueprintName, BlueprintsList, GameWorldTag, Library, SpawnHere};
+use bevy_gltf_worlflow_examples_common_rapier::{assets::GameAssets, GameState, InAppRunning};
 
 use bevy_rapier3d::prelude::Velocity;
 use rand::Rng;
@@ -14,7 +12,7 @@ pub fn setup_game(
 ) {
     // here we actually spawn our game world/level
     commands.spawn((
-        SceneBundle {
+        SceneBundle{
             scene: asset_server.load("models/World.glb#Scene0"),
             ..default()
         },

tools/gltf_auto_export/helpers/helpers_scenes.py

@@ -73,13 +73,6 @@ def copy_hollowed_collection_into(source_collection, destination_collection, par
             """we inject the collection/blueprint name, as a component called 'BlueprintName', but we only do this in the empty, not the original object"""
             empty_obj['BlueprintName'] = '"'+collection_name+'"' if legacy_mode else '("'+collection_name+'")'
             empty_obj['SpawnHere'] = '()'
-            # we also inject a list of all sub blueprints, so that the bevy side can preload them
-            root_node = CollectionNode()
-            root_node.name = "root"
-            children_per_collection = {}
-            get_sub_collections([object.instance_collection], root_node, children_per_collection)
-            empty_obj["BlueprintsList"] = f"({json.dumps(dict(children_per_collection))})"
-            #empty_obj["Assets"] = {"Animations": [], "Materials": [], "Models":[], "Textures":[], "Audio":[], "Other":[]}
 
             # we copy custom properties over from our original object to our empty
             for component_name, component_value in object.items():
@@ -169,7 +162,8 @@ def inject_blueprints_list_into_main_scene(scene):
             break
 
     if assets_list is None:
-        assets_list = make_empty('assets_list_'+scene.name+"_components", [0,0,0], [0,0,0], [0,0,0], root_collection)
+        assets_list = make_empty('assets_list_'+scene.name, [0,0,0], [0,0,0], [0,0,0], root_collection)
+
 
     # find all blueprints used in a scene
     # TODO: export a tree rather than a flat list ? because you could have potential clashing items in flat lists (amongst other issues)
@@ -180,12 +174,16 @@ def inject_blueprints_list_into_main_scene(scene):
     
     #print("collection_names", collection_names, "collections", collections)
     (bla, bli ) = get_sub_collections(collections, root_node, children_per_collection)
+    #print("sfdsfsdf", bla, bli, "root", root_node, "children_per_collection", children_per_collection)
+    # with sub collections
+    #    (collection_names, collections) = get_sub_collections(all_collections, root_node, children_per_collection)
+    #
     # what about marked assets ?
-    # what about audio assets ?
-    # what about materials ?
-    # object['MaterialInfo'] = '(name: "'+material.name+'", source: "'+current_project_name + '")' 
-
     #assets_list["blueprints_direct"] = list(collection_names)
     assets_list["BlueprintsList"] = f"({json.dumps(dict(children_per_collection))})"
-    assets_list["Materials"]= '()'
+    #'({"a":[]})'
+    #'([])'
+    #
+    #
+
     print("assets list", assets_list["BlueprintsList"], children_per_collection)

tools/gltf_auto_export/tests/test_bevy_integration.py

@@ -16,7 +16,7 @@ def setup_data(request):
         root_path =  "../../testing/bevy_example"
         assets_root_path = os.path.join(root_path, "assets")
         models_path =  os.path.join(assets_root_path, "models")
-        materials_path = os.path.join(assets_root_path, "materials")
+        #materials_path = os.path.join("../../testing", "materials")
         #other_materials_path = os.path.join("../../testing", "other_materials")
 
         print("\nPerforming teardown...")
@@ -75,8 +75,7 @@ def test_export_complex(setup_data):
         export_scene_settings=True,
         export_blueprints=True,
         export_legacy_mode=False,
-        export_animations=True,
-        export_materials_library=True
+        export_animations=True
     )
     # blueprint1 => has an instance, got changed, should export
     # blueprint2 => has NO instance, but marked as asset, should export