chore():

* made blueprints/asset list conditional on NOT legacy mode
 * cleaned up code
 * fleshed out testing some more

tools/gltf_auto_export/auto_export/export_main_scenes.py

@@ -4,7 +4,7 @@ import bpy
 from ..helpers.generate_and_export import generate_and_export
 from .export_gltf import (generate_gltf_export_preferences, export_gltf)
 from ..modules.bevy_dynamic import is_object_dynamic, is_object_static
-from ..helpers.helpers_scenes import clear_hollow_scene, copy_hollowed_collection_into, inject_blueprints_list_into_main_scene
+from ..helpers.helpers_scenes import clear_hollow_scene, copy_hollowed_collection_into, inject_blueprints_list_into_main_scene, remove_blueprints_list_from_main_scene
 
 
 # export all main scenes
@@ -16,6 +16,7 @@ def export_main_scene(scene, folder_path, addon_prefs, library_collections):
     gltf_export_preferences = generate_gltf_export_preferences(addon_prefs)
     export_output_folder = getattr(addon_prefs,"export_output_folder")
     export_blueprints = getattr(addon_prefs,"export_blueprints")
+    legacy_mode = getattr(addon_prefs, "export_legacy_mode")
     export_separate_dynamic_and_static_objects = getattr(addon_prefs, "export_separate_dynamic_and_static_objects")
 
     gltf_output_path = os.path.join(folder_path, export_output_folder, scene.name)
@@ -29,7 +30,8 @@ def export_main_scene(scene, folder_path, addon_prefs, library_collections):
                        }
 
     if export_blueprints : 
-        inject_blueprints_list_into_main_scene(scene)
+        if not legacy_mode:
+            inject_blueprints_list_into_main_scene(scene)
 
         if export_separate_dynamic_and_static_objects:
             #print("SPLIT STATIC AND DYNAMIC")
@@ -69,5 +71,8 @@ def export_main_scene(scene, folder_path, addon_prefs, library_collections):
         print("       exporting gltf to", gltf_output_path, ".gltf/glb")
         export_gltf(gltf_output_path, export_settings)
 
+    if not legacy_mode:
+        remove_blueprints_list_from_main_scene(scene)
+
 
 

tools/gltf_auto_export/helpers/helpers_scenes.py

@@ -73,13 +73,17 @@ 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":[]}
+            if not legacy_mode:
+                root_node = CollectionNode()
+                root_node.name = "root"
+                children_per_collection = {}
+                print("collection stuff", original_name)
+                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():
@@ -163,13 +167,14 @@ def inject_blueprints_list_into_main_scene(scene):
     print("injecting assets/blueprints data into scene")
     root_collection = scene.collection
     assets_list = None
+    assets_list_name = f"assets_list_{scene.name}_components"
     for object in scene.objects:
-        if object.name == "assets_list"+scene.name:
+        if object.name == assets_list_name:
             assets_list = object
             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_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)
@@ -179,7 +184,7 @@ def inject_blueprints_list_into_main_scene(scene):
     children_per_collection = {}
     
     #print("collection_names", collection_names, "collections", collections)
-    (bla, bli ) = get_sub_collections(collections, root_node, children_per_collection)
+    get_sub_collections(collections, root_node, children_per_collection)
     # what about marked assets ?
     # what about audio assets ?
     # what about materials ?
@@ -188,4 +193,13 @@ def inject_blueprints_list_into_main_scene(scene):
     #assets_list["blueprints_direct"] = list(collection_names)
     assets_list["BlueprintsList"] = f"({json.dumps(dict(children_per_collection))})"
     #assets_list["Materials"]= '()'
-    # print("assets list", assets_list["BlueprintsList"], children_per_collection)
+
+def remove_blueprints_list_from_main_scene(scene):
+    assets_list = None
+    assets_list_name = f"assets_list_{scene.name}_components"
+
+    for object in scene.objects:
+        if object.name == assets_list_name:
+            assets_list = object
+    if assets_list is not None:
+        bpy.data.objects.remove(assets_list, do_unlink=True)

tools/gltf_auto_export/tests/test_bevy_integration.py

@@ -83,7 +83,6 @@ def test_export_complex(setup_data):
     # blueprint5 => has NO instance, not marked as asset, should NOT export
 
     assert os.path.exists(os.path.join(models_path, "World.glb")) == True
-
     assert os.path.exists(os.path.join(models_path, "library", "Blueprint1.glb")) == True
     assert os.path.exists(os.path.join(models_path, "library", "Blueprint2.glb")) == True
     assert os.path.exists(os.path.join(models_path, "library", "Blueprint3.glb")) == True
@@ -92,6 +91,11 @@ def test_export_complex(setup_data):
     assert os.path.exists(os.path.join(models_path, "library", "Blueprint6_animated.glb")) == True
     assert os.path.exists(os.path.join(models_path, "library", "Blueprint7_hierarchy.glb")) == True
 
+    # 'assets_list_'+scene.name+"_components" should have been removed after the export
+    assets_list_object_name = "assets_list_"+"World"+"_components"
+    assets_list_object_present = assets_list_object_name in bpy.data.objects
+    assert assets_list_object_present == False
+
     # now run bevy
     command = "cargo run --features bevy/dynamic_linking"
     FNULL = open(os.devnull, 'w')    #use this if you want to suppress output to stdout from the subprocess
@@ -105,6 +109,7 @@ def test_export_complex(setup_data):
         assert diagnostics["animations"] == True
         assert diagnostics["cylinder_found"] == True
         assert diagnostics["empty_found"] == True
+        assert diagnostics["blueprints_list_found"] == True
 
     # last but not least, do a visual compare
     screenshot_expected_path = os.path.join(root_path, "expected_screenshot.png")