feat(Blenvy):

* fixed handling of scene gltf_extras
 * fixed handling of colors for BlenderBackgroundShader
 * added scene tonemapping & scene colorgrading and handling on the Bevy side.
 * experimented with exporting ron asset files, updated & overhauled asset file generation, adapted
for blueprints
 * various cleanups

crates/blenvy/Cargo.toml

@@ -18,6 +18,19 @@ bevy = { version = "0.14.0-rc.3", default-features = false, features = ["bevy_as
 serde = "1.0.188"
 ron = "0.8.1"
 serde_json = "1.0.108"
+gltf = { version = "1.4.0", default-features = false, features = [
+  "KHR_lights_punctual",
+  "KHR_materials_transmission",
+  "KHR_materials_ior",
+  "KHR_materials_volume",
+  "KHR_materials_unlit",
+  "KHR_materials_emissive_strength",
+  "KHR_texture_transform",
+  "extras",
+  "extensions",
+  "names",
+  "utils",
+] }
 
 
 [dev-dependencies]

crates/blenvy/src/components/blender_settings/lighting.rs

@@ -1,5 +1,7 @@
+use bevy::core_pipeline::tonemapping::Tonemapping;
 use bevy::pbr::DirectionalLightShadowMap;
 use bevy::prelude::*;
+use bevy::render::view::{ColorGrading, ColorGradingGlobal, ColorGradingSection};
 
 use crate::GltfComponentsSet;
 
@@ -7,9 +9,12 @@ pub(crate) fn plugin(app: &mut App) {
     app.register_type::<BlenderBackgroundShader>()
         .register_type::<BlenderShadowSettings>()
         .register_type::<BlenderLightShadows>()
+        .register_type::<BlenderToneMapping>()
+        .register_type::<BlenderColorGrading>()
+
         .add_systems(
             Update,
-            (process_lights, process_shadowmap, process_background_shader)
+            (process_lights, process_shadowmap, process_background_shader, process_tonemapping, process_colorgrading)
                 .after(GltfComponentsSet::Injection),
         );
 }
@@ -40,6 +45,26 @@ pub struct BlenderShadowSettings {
     pub cascade_size: usize,
 }
 
+/// Not all possible Blender ToneMappings are available in Bevy & vice versa 
+#[derive(Component, Reflect, Default, Debug, PartialEq, Clone)]
+#[reflect(Component)]
+#[non_exhaustive]
+pub enum BlenderToneMapping  {
+    #[default]
+    None,
+    AgX,
+    Filmic
+}
+
+#[derive(Component, Reflect, Default, Debug, PartialEq, Clone)]
+#[reflect(Component)]
+#[non_exhaustive]
+pub struct  BlenderColorGrading  {
+    exposure: f32,
+    gamma: f32,
+}
+
+
 fn process_lights(
     mut directional_lights: Query<
         (&mut DirectionalLight, Option<&BlenderLightShadows>),
@@ -51,23 +76,17 @@ fn process_lights(
     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;
         }
     }
 }
@@ -88,10 +107,76 @@ fn process_background_shader(
     mut commands: Commands,
 ) {
     for background_shader in background_shaders.iter() {
+        println!("HEYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY {:?}", background_shader.color);
         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,
         });
+        commands.insert_resource(ClearColor(background_shader.color));
+
     }
 }
+
+// FIXME: this logic should not depend on if toneMapping or Cameras where added first
+fn process_tonemapping(
+    tonemappings: Query<&BlenderToneMapping , Added<BlenderToneMapping>>,
+    cameras: Query<Entity, With<Camera>>,
+    mut commands: Commands,
+){
+
+    for entity in cameras.iter(){
+        for tone_mapping in tonemappings.iter(){
+            match tone_mapping {
+                BlenderToneMapping::None => {
+                    println!("TONEMAPPING NONE");
+                    commands.entity(entity).remove::<Tonemapping>();
+                }
+                BlenderToneMapping::AgX => {
+                    println!("TONEMAPPING Agx");
+                    commands.entity(entity).insert(Tonemapping::AgX);
+                }
+                BlenderToneMapping::Filmic => {
+                    println!("TONEMAPPING Filmic");
+                    commands.entity(entity).insert(Tonemapping::BlenderFilmic);
+                }
+            }
+        }
+    }
+}
+
+// FIXME: this logic should not depend on if toneMapping or Cameras where added first
+fn process_colorgrading(
+    blender_colorgradings: Query<&BlenderColorGrading , Added<BlenderColorGrading>>,
+    cameras: Query<Entity, With<Camera>>,
+    mut commands: Commands,
+){
+
+    for entity in cameras.iter(){
+        for blender_colorgrading in blender_colorgradings.iter(){
+            println!("COLOR GRADING");
+            commands.entity(entity).insert(
+                ColorGrading{
+                    global: ColorGradingGlobal{
+                        exposure: blender_colorgrading.exposure,
+                        ..Default::default()
+                    },
+                    shadows: ColorGradingSection{
+                        gamma: blender_colorgrading.gamma,
+                        ..Default::default()
+                    },
+                    midtones: ColorGradingSection{
+                        gamma: blender_colorgrading.gamma,
+                        ..Default::default()
+                    },
+                    highlights: ColorGradingSection{
+                        gamma: blender_colorgrading.gamma,
+                        ..Default::default()
+                    },
+                        
+                    ..Default::default()
+                }
+            );
+        }
+    }
+}

crates/blenvy/src/components/process_gltfs.rs

@@ -16,14 +16,14 @@ use bevy::{
 use crate::{ronstring_to_reflect_component, GltfProcessed};
 
 // , mut entity_components: HashMap<Entity, Vec<(Box<dyn Reflect>, TypeRegistration)>>
-fn find_entity_components(entity: Entity, name: &Name, parent: &Parent, reflect_components: Vec<(Box<dyn Reflect>, TypeRegistration)>, entity_components: &HashMap<Entity, Vec<(Box<dyn Reflect>, TypeRegistration)>>) -> (Entity, Vec<(Box<dyn Reflect>, TypeRegistration)>){
+fn find_entity_components(entity: Entity, name: &Name, parent: Option<&Parent>, reflect_components: Vec<(Box<dyn Reflect>, TypeRegistration)>, entity_components: &HashMap<Entity, Vec<(Box<dyn Reflect>, TypeRegistration)>>) -> (Entity, Vec<(Box<dyn Reflect>, TypeRegistration)>){
      // 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") {
+     if parent.is_some() && (name.as_str().contains("components") || name.as_str().ends_with("_pa")) {
          debug!("adding components to parent");
-         target_entity = parent.get();
+         target_entity = parent.expect("the target entity had a parent ").get();
      }
      debug!("adding to {:?}", target_entity);
 
@@ -50,12 +50,10 @@ fn find_entity_components(entity: Entity, name: &Name, parent: &Parent, reflect_
 
 /// 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 scene_extras = world.query_filtered::<(Entity, &Name, &GltfSceneExtras, &Parent), (Added<GltfSceneExtras>, Without<GltfProcessed>)>();
-    let mut mesh_extras = world.query_filtered::<(Entity, &Name, &GltfMeshExtras, &Parent), (Added<GltfMeshExtras>, Without<GltfProcessed>)>();
-    let mut material_extras = world.query_filtered::<(Entity, &Name, &GltfMaterialExtras, &Parent), (Added<GltfMaterialExtras>, Without<GltfProcessed>)>();
+    let mut extras = world.query_filtered::<(Entity, &Name, &GltfExtras, Option<&Parent>), (Added<GltfExtras>, Without<GltfProcessed>)>();
+    let mut scene_extras = world.query_filtered::<(Entity, &Name, &GltfSceneExtras, Option<&Parent>), (Added<GltfSceneExtras>, Without<GltfProcessed>)>();
+    let mut mesh_extras = world.query_filtered::<(Entity, &Name, &GltfMeshExtras, Option<&Parent>), (Added<GltfMeshExtras>, Without<GltfProcessed>)>();
+    let mut material_extras = world.query_filtered::<(Entity, &Name, &GltfMaterialExtras, Option<&Parent>), (Added<GltfMaterialExtras>, Without<GltfProcessed>)>();
 
     let mut entity_components: HashMap<Entity, Vec<(Box<dyn Reflect>, TypeRegistration)>> =
         HashMap::new();
@@ -63,6 +61,7 @@ pub fn add_components_from_gltf_extras(world: &mut World) {
     // let gltf_components_config = world.resource::<GltfComponentsConfig>();
 
     for (entity, name, extra, parent) in extras.iter(world) {
+        println!("GLTF EXTRA !!!!");
         debug!(
             "Name: {}, entity {:?}, parent: {:?}, extras {:?}",
             name, entity, parent, extra
@@ -78,6 +77,8 @@ pub fn add_components_from_gltf_extras(world: &mut World) {
 
 
     for (entity, name, extra, parent) in scene_extras.iter(world) {
+        println!("GLTF SCENE EXTRA !!!!");
+
         debug!(
             "Name: {}, entity {:?}, parent: {:?}, scene_extras {:?}",
             name, entity, parent, extra
@@ -92,6 +93,8 @@ pub fn add_components_from_gltf_extras(world: &mut World) {
     }
 
     for (entity, name, extra, parent) in mesh_extras.iter(world) {
+        println!("GLTF MESH EXTRA !!!!");
+
         debug!(
             "Name: {}, entity {:?}, parent: {:?}, mesh_extras {:?}",
             name, entity, parent, extra

crates/blenvy/src/components/ronstring_to_reflect_component.rs

@@ -1,5 +1,5 @@
 use bevy::log::{debug, warn};
-use bevy::reflect::serde::ReflectDeserializer;
+use bevy::reflect::serde::{ReflectDeserializer, ReflectSerializer};
 use bevy::reflect::{Reflect, TypeRegistration, TypeRegistry};
 use bevy::utils::HashMap;
 use ron::Value;
@@ -58,12 +58,16 @@ fn components_string_to_components(
             parsed_value
         );
 
+        /* 
         // usefull to determine what an entity looks like Serialized
-        /*let test_struct = CameraRenderGraph::new("name");
+        let test_struct =  Color::Srgba(Srgba { red: 0.2, green: 0.2, blue: 0.2, alpha: 0.2 });
+        //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);*/
+        println!("serialized Component {}", serialized);
+        */
+
 
         debug!("component data ron string {}", ron_string);
         let mut deserializer = ron::Deserializer::from_str(ron_string.as_str())

tools/blenvy/TODO.md

@@ -15,7 +15,7 @@ Auto export
     - [x] main/ library scene names
     - [x] paths
 
-- [ ] Data storage for custom properties:
+- [x] Data storage for custom properties:
     - for scenes (main scenes)
         - at scene level
     - for blueprints 
@@ -59,12 +59,11 @@ Components:
         - [x] BLENVY_OT_component_fix
     - [x] add handling for core::ops::Range<f32> & other ranges
     - [x] fix is_component_valid that is used in gltf_auto_export
-    - Hashmap Support
+    - [x] Hashmap Support
         - [x] fix parsing of keys's type either on Bevy side (prefered) or on the Blender side 
         - [x] fix weird issue with missing "0" property when adding new entry in empty hashmap => happens only if the values for the "setter" have never been set
         - [ ] handle missing types in registry for keys & values
         - [x] adding a hashmap nukes every existing component ??
-
     - [x] Add correct upgrade handling from individual component to bevy_components
     - [x] Settings handling:
         - [x] move saveable settings out to a settings file
@@ -77,8 +76,6 @@ Components:
         - perhaps just add a display list of all NON component custom properties, so the user can find them easilly ?
         - [x] status "unregistered" is often false and misleading
             -> see in registry ui "for custom_property in object.keys():"
-        
-
     - [x] overhaul / improve the component selector (with built in searching, etc)
     - [x] remove select_component_name_to_replace
     - [x] display of invalid components is not working ?
@@ -87,7 +84,6 @@ Components:
         - BLENVY_OT_component_list_add_item
         - BLENVY_OT_component_list_remove_item
         - BLENVY_OT_component_list_select_item: merge it into the rest of the actions 
-
     - [x] clearing invalid flag after a registry change does not work correctly (ie the ui still says the component is invalid)
         - [x] should reset ALL "invalid" flags IF they have the matching data
     - [x] registry auto reload not working ?
@@ -96,7 +92,6 @@ Components:
         - now switched to tiger_hash
         - [x] add warning about hash colision (not much we can/ could do if it is the case ?)
         - [x] double check weird collisions AND/OR reuse existing if applicable
-
     - [x] annoying default path for registry, should be relative to the assets path
 
 
@@ -127,54 +122,55 @@ General issues:
     - [ ] add handling of errors when trying to load settings
 
 
-- [ ] force overwrite of settings files instead of partial updates ?
-- [ ] add tests for disabled components 
 - [x] fix auto export workflow
-- [ ] should we write the previous _xxx data only AFTER a sucessfull export only ?
 - [x] add hashing of modifiers/ geometry nodes in serialize scene
 - [x] add ability to FORCE export specific blueprints & levels
-- [ ] undo after a save removes any saved "serialized scene" data ? DIG into this
-- [ ] handle scene renames between saves (breaks diffing)
 - [x] change scene selector to work on actual scenes aka to deal with renamed scenes
     - [x] remove get_main_and_library_scenes as it should not be needed anymore
 - [x] fix asset file selection
 - [x] change "assets" tab to "levels"/worlds tab & modify UI accordingly
-- [ ] add option to 'split out' meshes from blueprints ? 
-    - [ ] ie considering meshletts etc , it would make sense to keep blueprints seperate from purely mesh gltfs
-- [ ] remove local assets, useless
-
+- [x] remove local assets, useless
 - [x] remove 'export_marked_assets' it should be a default setting
 - [x] disable/ hide asset editing ui for external assets
-- [ ] inject_export_path_into_internal_blueprints should be called on every asset/blueprint scan !! Not just on export
 - [x] fix level asets UI 
+- [x] remove BlueprintsList & replace is with assets list
+- [x] switch to bevy 0.14 rc2
+- [x] trigger events when assets are loaded, blueprints are spawned & co
+- [x] overall cleanup
+    - [x] object.add_bevy_component => blenvy.component_add
+
+
+- [ ] inject_export_path_into_internal_blueprints should be called on every asset/blueprint scan !! Not just on export
+- [ ] undo after a save removes any saved "serialized scene" data ? DIG into this
+- [ ] handle scene renames between saves (breaks diffing) => very hard to achieve
+- [ ] force overwrite of settings files instead of partial updates ?
+- [ ] add tests for disabled components 
+- [ ] should we write the previous _xxx data only AFTER a sucessfull export only ?
+- [ ] add option to 'split out' meshes from blueprints ? 
+    - [ ] ie considering meshletts etc , it would make sense to keep blueprints seperate from purely mesh gltfs
 - [ ] persist exported materials path in blueprints so that it can be read from library file users
     - [ ] just like "export_path" write it into each blueprint's collection
     - [ ] scan for used materials per blueprint !
     - [ ] for scenes, scan for used materials of all non instance objects (TODO: what about overrides ?)
-
-- [x] remove BlueprintsList & replace is with assets list
-- [ ] update main docs
-    - [ ] rename project to Blenvy
-    - [ ] replace all references to the old 2 add-ons with those to Blenvy
-- [ ] rename repo to "Blenvy"
-- [x] switch to bevy 0.14 rc2
 - [ ] find a solution for the new color handling 
 - [ ] add back lighting_components
 - [ ] check if scene components are being deleted through our scene re-orgs in the spawn post process
-- [x] trigger events when assets are loaded, blueprints are spawned & co
 - [ ] should "blueprint spawned" only be triggered after all its sub blueprints have spawned ? 
 
 - [ ] simplify testing example:
     - [x] remove use of rapier physics (or even the whole common boilerplate ?)
     - [ ] remove/replace bevy editor pls with some native ui to display hierarchies
-- [ ] do a deprecation release of all bevy_gltf_xxx crates to point at the new Blenvy crate
+- [ ] try out hot reloading
 
 - [ ] simplify examples:
     - [ ] a full fledged demo (including physics & co)
     - [ ] other examples without interactions or physics 
+- [ ] update main docs
+    - [ ] rename project to Blenvy
+    - [ ] replace all references to the old 2 add-ons with those to Blenvy
+- [ ] rename repo to "Blenvy"
+- [ ] do a deprecation release of all bevy_gltf_xxx crates to point at the new Blenvy crate
+- [ ] hidden objects/collections not respected at export !!!
 
 
-- [x] overall cleanup
-    - [x] object.add_bevy_component => blenvy.component_add
-
 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

tools/blenvy/add_ons/auto_export/blueprints/export_blueprints.py

@@ -1,5 +1,7 @@
 import os
 import bpy
+from blenvy.assets.assets_scan import get_blueprint_asset_tree
+from blenvy.assets.generate_asset_file import write_ron_assets_file
 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
@@ -51,6 +53,9 @@ def export_blueprints(blueprints, settings, blueprints_data):
                 tempScene_cleaner= lambda temp_scene, params: clear_hollow_scene(original_root_collection=collection, temp_scene=temp_scene, **params)
             )
 
+            #blueprint_asset_tree = get_blueprint_asset_tree(blueprint=blueprint, blueprints_data=blueprints_data, settings=settings)
+            #write_ron_assets_file(blueprint.name, blueprint_asset_tree, output_path_full = blueprints_path_full)
+
         # reset active collection to the one we save before
         bpy.context.view_layer.active_layer_collection = active_collection
 

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

@@ -20,7 +20,7 @@ def generate_temporary_scene_and_export(settings, gltf_export_settings, gltf_out
     temp_root_collection = temp_scene.collection
 
     print("additional_dataAAAAAAAAAAAAAAAH", additional_data)
-    properties_black_list = ['user_assets', 'components_meta']
+    properties_black_list = ['glTF2ExportSettings', 'user_assets', 'components_meta']
     if additional_data is not None: # FIXME not a fan of having this here
         for entry in dict(additional_data):
             # we copy everything over except those on the black list

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

@@ -5,14 +5,12 @@ from blenvy.core.object_makers import make_empty
 # TODO: replace this with placing scene level custom properties once support for that has been added to bevy_gltf
 def upsert_scene_components(main_scenes):
     for scene in main_scenes:
-        """lighting_components_name = f"lighting_components_{scene.name}"
-        lighting_components = bpy.data.objects.get(lighting_components_name, None)
-        if not lighting_components:
-            root_collection = scene.collection
-            lighting_components = make_empty('lighting_components_'+scene.name, [0,0,0], [0,0,0], [0,0,0], root_collection)"""
-
-        """if scene.world is not None:
-            lighting_components['BlenderBackgroundShader'] = ambient_color_to_component(scene.world)""" # FIXME add back
+        if scene.world is not None:
+            scene['BlenderBackgroundShader'] = ambient_color_to_component(scene.world)
+            print("FOOOOO WORLD", dir(scene.world))
+            print("FOOOO scene", dir(scene))
+            print("foooo", dir(scene.view_settings))
+            print("GNAAA", scene.view_settings.view_transform)
         scene['BlenderShadowSettings'] = scene_shadows_to_component(scene)
 
         if scene.eevee.use_bloom:
@@ -25,13 +23,24 @@ def upsert_scene_components(main_scenes):
         elif 'SSAOSettings' in scene:
             del scene['SSAOSettings']
 
+        scene['BlenderToneMapping'] = scene_tonemapping_to_component(scene)
+        scene['BlenderColorGrading'] = scene_colorgrading_to_component(scene)
+
 def remove_scene_components(main_scenes):
     pass
-    """for scene in main_scenes:
-        lighting_components_name = f"lighting_components_{scene.name}"
-        lighting_components = bpy.data.objects.get(lighting_components_name, None)
-        if lighting_components:
-            bpy.data.objects.remove(lighting_components, do_unlink=True)"""
+
+def scene_tonemapping_to_component(scene):
+    tone_mapping =  scene.view_settings.view_transform
+    blender_to_bevy = {
+        'NONE': '',
+        'AgX': 'AgX',
+        'Filmic': 'Filmic',
+    }
+    bevy_tone_mapping = blender_to_bevy[tone_mapping] if tone_mapping in blender_to_bevy else None
+    return bevy_tone_mapping
+
+def scene_colorgrading_to_component(scene):
+    return f"(exposure: {scene.view_settings.exposure}, gamma: {scene.view_settings.gamma})"
 
 
 def ambient_color_to_component(world):
@@ -43,9 +52,8 @@ def ambient_color_to_component(world):
     except Exception as ex:
         print("failed to parse ambient color: Only background is supported")
    
-
     if color is not None and strength is not None:
-        colorRgba = f"LinearRgba(red: {color[0]}, green: {color[1]}, blue: {color[2]}, alpha: {color[3]})"
+        colorRgba = f"LinearRgba((red: {color[0]}, green: {color[1]}, blue: {color[2]}, alpha: {color[3]}))"
         component = f"( color: {colorRgba}, strength: {strength})"
         return component
     return None
@@ -62,4 +70,4 @@ def scene_bloom_to_component(scene):
 def scene_ao_to_component(scene):
     ssao = scene.eevee.use_gtao
     component= "SSAOSettings()"
-    return component
+    return component

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

@@ -78,7 +78,7 @@ def export_main_scene(scene, settings, blueprints_data):
         materials_exported_path = os.path.join(materials_path, f"{materials_library_name}{export_gltf_extension}")
         material_assets = [{"name": materials_library_name, "path": materials_exported_path}] # we also add the material library as an asset
 
-        scene["BlenvyAssets"] = assets_to_fake_ron(all_assets + [{"name": asset.name, "path": asset.path} for asset in scene.user_assets] + auto_assets + material_assets)
+        #scene["BlenvyAssets"] = assets_to_fake_ron(all_assets + [{"name": asset.name, "path": asset.path} for asset in scene.user_assets] + auto_assets + material_assets)
 
 
         if export_separate_dynamic_and_static_objects:
@@ -87,6 +87,7 @@ def export_main_scene(scene, settings, blueprints_data):
             generate_temporary_scene_and_export(
                 settings, 
                 temp_scene_name=TEMPSCENE_PREFIX,
+                additional_data = scene,
                 gltf_export_settings=gltf_export_settings,
                 gltf_output_path=gltf_output_path,
                 tempScene_filler= lambda temp_collection: copy_hollowed_collection_into(scene.collection, temp_collection, blueprints_data=blueprints_data, filter=is_object_static, settings=settings),
@@ -98,6 +99,7 @@ def export_main_scene(scene, settings, blueprints_data):
             generate_temporary_scene_and_export(
                 settings, 
                 temp_scene_name=TEMPSCENE_PREFIX,
+                additional_data = scene,
                 gltf_export_settings=gltf_export_settings,
                 gltf_output_path=gltf_output_path,
                 tempScene_filler= lambda temp_collection: copy_hollowed_collection_into(scene.collection, temp_collection, blueprints_data=blueprints_data, filter=is_object_dynamic, settings=settings),

tools/blenvy/add_ons/bevy_components/utils.py

@@ -75,7 +75,8 @@ def get_selected_item(context):
             for obj in bpy.context.selected_ids:
                 pass#print(f"Selected: {obj.name} - {type(obj)}")
             selection = bpy.context.selected_ids[len(bpy.context.selected_ids) - 1] if len(bpy.context.selected_ids)>0 else None #next(iter(bpy.context.selected_ids), None)
-            print("selection", f"Selected: {selection.name} - {type(selection)}")
+            """if selection is not None:
+                print("selection", f"Selected: {selection.name} - {type(selection)}")"""
 
     #print("SELECTIONS", context.selected_objects)
     return selection

tools/blenvy/assets/assets_scan.py

@@ -121,3 +121,26 @@ def get_main_scene_assets_tree(main_scene, blueprints_data, settings):
             added_asset.name = asset["name"]
             added_asset.path = asset["path"]
     return assets_list
+
+def get_blueprint_asset_tree(blueprint, blueprints_data, settings):
+    blueprints_path =  getattr(settings, "blueprints_path")
+    export_gltf_extension = getattr(settings.auto_export, "export_gltf_extension", ".glb")
+
+    assets_list = get_user_assets_as_list(blueprint.collection)
+
+    for blueprint_name in blueprint.nested_blueprints:
+        sub_blueprint = blueprints_data.blueprints_per_name.get(blueprint_name, None)
+        if sub_blueprint is not None: 
+            sub_blueprint_exported_path = None
+            if sub_blueprint.local:
+                sub_blueprint_exported_path = os.path.join(blueprints_path, f"{sub_blueprint.name}{export_gltf_extension}")
+            else:
+                # get the injected path of the external blueprints
+                sub_blueprint_exported_path = sub_blueprint.collection['export_path'] if 'export_path' in sub_blueprint.collection else None
+
+            if sub_blueprint_exported_path is not None and not does_asset_exist(assets_list, sub_blueprint_exported_path):
+                assets_list.append({"name": sub_blueprint.name, "path": sub_blueprint_exported_path, "type": "MODEL", "generated": True, "internal": sub_blueprint.local, "parent": None})
+            
+            assets_list += get_blueprint_assets_tree(sub_blueprint, blueprints_data, parent=sub_blueprint.name, settings=settings)
+    
+    return assets_list

tools/blenvy/assets/generate_asset_file.py

@@ -0,0 +1,28 @@
+
+
+def write_ron_assets_file(name, assets_hierarchy, internal_only=False, output_path_full="."):
+    # just for testing, this uses the format of bevy_asset_loader's asset files
+    '''
+            ({
+        "world":File (path: "models/StartLevel.glb"),
+        "level1":File (path: "models/Level1.glb"),
+        "level2":File (path: "models/Level2.glb"),
+
+        "models": Folder (
+            path: "models/library",
+        ),
+        "materials": Folder (
+            path: "materials",
+        ),
+    })
+    '''
+    formated_assets = []
+    for asset in assets_hierarchy:
+        if asset["internal"] or not internal_only:
+            formated_asset = f'\n    "{asset["name"]}": File ( path: "{asset["path"]}" ),'
+            formated_assets.append(formated_asset)
+
+    with open(f"{output_path_full}/{name}.assets.ron", "w") as assets_file:
+        assets_file.write("({")
+        assets_file.writelines(formated_assets)
+        assets_file.write("\n})")

tools/blenvy/assets/operators.py

@@ -7,6 +7,7 @@ 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_main_scene_assets_tree
 from ..core.path_helpers import absolute_path_from_blend_file
+from .generate_asset_file import write_ron_assets_file
 
 class BLENVY_OT_assets_add(Operator):
     """Add asset"""
@@ -172,32 +173,6 @@ class BLENVY_OT_assets_browse(Operator, ImportHelper):
 from types import SimpleNamespace
 
 
-def write_ron_assets_file(level_name, assets_hierarchy, internal_only=False, levels_path_full="."):
-    # just for testing, this uses the format of bevy_asset_loader's asset files
-    '''
-            ({
-        "world":File (path: "models/StartLevel.glb"),
-        "level1":File (path: "models/Level1.glb"),
-        "level2":File (path: "models/Level2.glb"),
-
-        "models": Folder (
-            path: "models/library",
-        ),
-        "materials": Folder (
-            path: "materials",
-        ),
-    })
-    '''
-    formated_assets = []
-    for asset in assets_hierarchy:
-        if asset["internal"] or not internal_only:
-            bla = f'\n    "{asset["name"]}": File ( path: "{asset["path"]}" ),'
-            formated_assets.append(bla)
-    with open(f"{levels_path_full}/{level_name}.assets.ron", "w") as assets_file:
-        assets_file.write("({")
-        assets_file.writelines(formated_assets)
-        assets_file.write("\n})")
-
 class BLENVY_OT_assets_generate_files(Operator):
     """Test assets"""
     bl_idname = "blenvy.assets_generate_files"
@@ -213,7 +188,7 @@ class BLENVY_OT_assets_generate_files(Operator):
 
         for scene in blenvy.main_scenes:
             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, levels_path_full = blenvy.levels_path_full)
+            # scene["assets"] = json.dumps(assets_hierarchy)
+            write_ron_assets_file(scene.name, assets_hierarchy, internal_only = False, output_path_full = blenvy.levels_path_full)
 
         return {'FINISHED'}