test(auto_export):

* fleshed out testing of hierarchy
  * added export of serialized hierarchy from the bevy side & comparing it with a reference
 one on the python side
  * various tweaks

testing/bevy_example/Cargo.toml

@@ -14,3 +14,4 @@ bevy_rapier3d = { version = "0.25.0", features = ["serde-serialize", "debug-rend
 bevy_asset_loader = { version = "0.20", features = ["standard_dynamic_assets"] }
 bevy_editor_pls = { version = "0.8" }
 rand = "0.8.5"
+json-writer ="0.3"

testing/bevy_example/assets/registry.json

@@ -3516,6 +3516,17 @@
       "type": "object",
       "typeInfo": "Struct"
     },
+    "bevy_gltf_blueprints::animation::Animated": {
+      "additionalProperties": false,
+      "isComponent": true,
+      "isResource": false,
+      "properties": {},
+      "required": [],
+      "short_name": "Animated",
+      "title": "bevy_gltf_blueprints::animation::Animated",
+      "type": "object",
+      "typeInfo": "Struct"
+    },
     "bevy_gltf_blueprints::animation::Animations": {
       "additionalProperties": false,
       "isComponent": true,

testing/bevy_example/src/game/mod.rs

@@ -1,24 +1,30 @@
 pub mod in_game;
 use std::{
-    fs::{self},
-    time::Duration,
+    collections::HashMap, fs, time::Duration
 };
 
-use bevy_gltf_blueprints::{AnimationPlayerLink, BlueprintName, BlueprintsList};
+use bevy_gltf_blueprints::{AnimationPlayerLink, Animations, BlueprintName, BlueprintsList};
 pub use in_game::*;
 
 use bevy::{
-    prelude::*, render::view::screenshot::ScreenshotManager, time::common_conditions::on_timer,
-    window::PrimaryWindow,
+    ecs::query, prelude::*, render::view::screenshot::ScreenshotManager, time::common_conditions::on_timer, window::PrimaryWindow
 };
 use bevy_gltf_worlflow_examples_common_rapier::{AppState, GameState};
 
 use crate::{TupleTestF32, UnitTest};
+use json_writer::to_json_string;
 
 fn start_game(mut next_app_state: ResMut<NextState<AppState>>) {
     next_app_state.set(AppState::AppLoading);
 }
 
+
+#[derive(Debug)]
+struct Node {
+    value: String,
+    children: Vec<String>,
+}
+
 // if the export from Blender worked correctly, we should have animations (simplified here by using AnimationPlayerLink)
 // if the export from Blender worked correctly, we should have an Entity called "Cylinder" that has two components: UnitTest, TupleTestF32
 // if the export from Blender worked correctly, we should have an Entity called "Blueprint4_nested" that has a child called "Blueprint3" that has a "BlueprintName" component with value Blueprint3
@@ -34,19 +40,10 @@ fn validate_export(
     empties_candidates: Query<(Entity, &Name, &GlobalTransform)>,
 
     blueprints_list: Query<(Entity, &BlueprintsList)>,
+    root: Query<(Entity, &Name, &Children), (Without<Parent>, With<Children>)>
 ) {
     let animations_found = !animation_player_links.is_empty();
 
-    let mut cylinder_found = false;
-    if let Ok(nested_cylinder) = exported_cylinder.get_single() {
-        let parent_name = names
-            .get(parents.get(nested_cylinder.0).unwrap().get())
-            .unwrap();
-        cylinder_found = parent_name.to_string() == *"Cube.001"
-            && nested_cylinder.1.to_string() == *"Cylinder"
-            && nested_cylinder.3 .0 == 75.1;
-    }
-
     let mut nested_blueprint_found = false;
     for (entity, name, blueprint_name) in blueprints.iter() {
         if name.to_string() == *"Blueprint4_nested" && blueprint_name.0 == *"Blueprint4_nested" {
@@ -71,14 +68,46 @@ fn validate_export(
             break;
         }
     }
-
+    // check if there are blueprints_list components
     let blueprints_list_found = !blueprints_list.is_empty();
 
+    // there should be no entity named xxx____bak as it means an error in the Blender side export process
+    let mut exported_names_correct = true;
+    for name in names.iter() {
+        if name.to_string().ends_with("___bak") {
+            exported_names_correct = false;
+            break;
+        }
+    }
+
+    // generate parent/child tree
+    if !root.is_empty() {
+        let root = root.single();
+        let mut tree: HashMap<String, Vec<String>> = HashMap::new();
+        // println!("root {}", root.1);
+
+        for child in children.iter_descendants(root.0) {
+            let child_name:String = names.get(child).map_or(String::from("no_name"), |e| e.to_string() ); //|e| e.to_string(), || "no_name".to_string());
+            //println!("  child {}", child_name);
+            let parent = parents.get(child).unwrap();
+            let parent_name:String = names.get(parent.get()).map_or(String::from("no_name"), |e| e.to_string() ); //|e| e.to_string(), || "no_name".to_string());
+            tree.entry(parent_name).or_default().push(child_name.clone());
+        } 
+
+        let hierarchy = to_json_string(&tree);
+        fs::write(
+            "bevy_hierarchy.json",
+            hierarchy
+        )
+        .expect("unable to write hierarchy file")
+    }
+
+
     fs::write(
         "bevy_diagnostics.json",
         format!(
-            "{{ \"animations\": {},  \"cylinder_found\": {} ,  \"nested_blueprint_found\": {}, \"empty_found\": {}, \"blueprints_list_found\": {} }}",
-            animations_found, cylinder_found, nested_blueprint_found, empty_found, blueprints_list_found
+            "{{ \"animations\": {},  \"nested_blueprint_found\": {}, \"empty_found\": {}, \"blueprints_list_found\": {}, \"exported_names_correct\": {} }}",
+            animations_found, nested_blueprint_found, empty_found, blueprints_list_found, exported_names_correct
         ),
     )
     .expect("Unable to write file");
@@ -97,6 +126,35 @@ fn exit_game(mut app_exit_events: ResMut<Events<bevy::app::AppExit>>) {
     app_exit_events.send(bevy::app::AppExit);
 }
 
+/* 
+#[derive(Resource)]
+struct Animations(Vec<Handle<AnimationClip>>);
+*/
+
+fn animations(
+    foo:Query<(Entity, &Name, &AnimationPlayer),(Added<AnimationPlayer>)>,
+    asset_server: Res<AssetServer>,
+    mut commands: Commands,
+) {
+    for bla in foo.iter() {
+        let mut counter = 0;
+        counter +=1;
+        println!("found some animations {} {}", counter, bla.1);
+        
+        if bla.1.to_string() == "Collection".to_string(){
+            /*commands.insert_resource(Animations(vec![
+                asset_server.load("models/World.glb#Animation0"),
+                asset_server.load("models/World.glb#Animation1"),
+            ]));*/
+            /*commands.entity(bla.0).insert(Animations {
+                named_animations:
+            })*/
+        }
+       
+
+    }
+}
+
 pub struct GamePlugin;
 impl Plugin for GamePlugin {
     fn build(&self, app: &mut App) {
@@ -104,6 +162,7 @@ impl Plugin for GamePlugin {
             .add_systems(Update, validate_export)
             .add_systems(OnEnter(AppState::MenuRunning), start_game)
             .add_systems(OnEnter(AppState::AppRunning), setup_game)
+            .add_systems(Update, animations)
             .add_systems(Update, generate_screenshot.run_if(on_timer(Duration::from_secs_f32(0.2)))) // TODO: run once
             .add_systems(
                 Update,

tools/gltf_auto_export/auto_export/get_standard_exporter_settings.py

@@ -0,0 +1,6 @@
+import bpy 
+
+def get_standard_exporter_settings():
+    for scene in bpy.data.scenes:
+        if 'glTF2ExportSettings' in scene:
+            print("standard exporter settings", scene['glTF2ExportSettings'])

tools/gltf_auto_export/tests/expected_bevy_hierarchy.json

@@ -0,0 +1 @@
+{"b_Tail02_013":["b_Tail03_014"],"Blueprint4_nested.001":["Blueprint3"],"Collection 2 1":["Empty_in_sub_collection"],"b_Root_00":["b_Hip_01"],"b_LeftForeArm_010":["b_LeftHand_011"],"b_Spine01_02":["b_Spine02_03"],"Blueprint7_hierarchy.001":["Blueprint4_nested.001","Cube.001"],"b_RightLeg01_019":["b_RightLeg02_020"],"b_LeftUpperArm_09":["b_LeftForeArm_010"],"no_name":["Parent_Object","lighting_components_World","assets_list_World_components","Collection","Collection 2"],"Blueprint3":["Blueprint3_mesh","Blueprint3_mesh"],"world":["no_name"],"Parent_Object":["Cube.003","Blueprint1","Cylinder.001"],"Light":["Light","DirectionalLight Gizmo"],"Blueprint1.001":["Blueprint1_mesh"],"Blueprint7_hierarchy":["Cube.001"],"Spot":["Spot"],"b_Hip_01":["b_Spine01_02","b_Tail01_012","b_LeftLeg01_015","b_RightLeg01_019"],"Cylinder":["Cylinder.001","Cylinder.001"],"Collection 2":["Collection 2 1","Empty_in_collection","Spot"],"b_RightForeArm_07":["b_RightHand_08"],"Blueprint3_mesh":["Cylinder","Cylinder"],"Blueprint4_nested":["Blueprint3"],"Fox_mesh":["fox1"],"b_LeftLeg01_015":["b_LeftLeg02_016"],"b_Neck_04":["b_Head_05"],"b_RightFoot01_021":["b_RightFoot02_022"],"Blueprint1_mesh":["Cube.001","Cube.001"],"b_Tail01_012":["b_Tail02_013"],"Fox":["Fox_mesh","_rootJoint"],"Collection":["Blueprint1.001","Blueprint4_nested","Blueprint6_animated","Blueprint7_hierarchy","Camera","Cube","Empty","Light","Plane"],"Cube":["Cube"],"_rootJoint":["b_Root_00"],"b_RightLeg02_020":["b_RightFoot01_021"],"b_RightUpperArm_06":["b_RightForeArm_07"],"Plane":["Plane"],"Camera":["Camera Gizmo"],"Blueprint6_animated":["Fox"],"b_Spine02_03":["b_Neck_04","b_RightUpperArm_06","b_LeftUpperArm_09"],"b_LeftLeg02_016":["b_LeftFoot01_017"],"b_LeftFoot01_017":["b_LeftFoot02_018"],"Cube.001":["Cube.002","Cylinder","Cube.002","Cylinder"],"Cylinder.001":["Cylinder.002","Blueprint7_hierarchy.001","Empty_as_child"],"Blueprint1":["Blueprint1_mesh"]}

tools/gltf_auto_export/tests/test_bevy_integration.py

@@ -5,6 +5,7 @@ import json
 import pytest
 import shutil
 
+import filecmp
 from PIL import Image
 from pixelmatch.contrib.PIL import pixelmatch
 
@@ -108,9 +109,15 @@ def test_export_complex(setup_data):
         diagnostics = json.load(diagnostics_file)
         print("diagnostics", diagnostics)
         assert diagnostics["animations"] == True
-        assert diagnostics["cylinder_found"] == True
         assert diagnostics["empty_found"] == True
         assert diagnostics["blueprints_list_found"] == True
+        assert diagnostics["exported_names_correct"] == True
+
+    with open(os.path.join(root_path, "bevy_hierarchy.json")) as hierarchy_file:
+        with open(os.path.join(os.path.dirname(__file__), "expected_bevy_hierarchy.json")) as expexted_hierarchy_file:
+            hierarchy = json.load(hierarchy_file)
+            expected = json.load(expexted_hierarchy_file)
+            assert sorted(hierarchy.items()) == sorted(expected.items())
 
     # last but not least, do a visual compare
     screenshot_expected_path = os.path.join(root_path, "expected_screenshot.png")