feat(blenvy):

* added correct injection of assets + export path to blueprints
 * moved a few common elements to "core" for better reuse
 * more tweaks/ experiments with paths handling
 * moved & overhauled a few of the blueprint & assets tools
 * lots of minor tweaks & changes

tools/blenvy/TODO.md

@@ -1,11 +1,44 @@
 Auto export
- - [ ] the original blueprints & levels path are now left as is, and there is an auto injection of xxxpath_full for absolute paths
+ - [x] the original blueprints & levels path are now left as is, and there is an auto injection of xxxpath_full for absolute paths
-    - [ ] replace all uses of the paths with the correct ones above
+    - [x] replace all uses of the paths with the correct ones above
         - [x] levels
         - [x] blueprints
-        - [ ] materials
+        - [x] materials
  - [x] move out the UI for "assets" folder out of "blueprints condition"
  - [ ] fix asset path calculations
      - root path => relative to blend file path
      - asset path => relative to root path
      - blueprints/levels/blueprints path => relative to assets path
+
+
+- move out some parameters from auto export to a higher level (as they are now used in multiple places)
+    - [ ] main/ library scene names
+    - [ ] paths
+
+Data storage:
+    - for scenes (main scenes)
+        - at scene level
+    - for blueprints 
+        - at collection level
+        - Note: these should be COPIED to the scene level when exporting, into the temp_scene's properties
+
+    > NOTE: UP until we manage to create a PR for Bevy to directly support the scene level gltf_extras, the auto exporter should automatically create (& remove)
+        an additional object with scene_<scene_name>_components to copy that data to
+
+Assets:
+    - blueprint assets should be auto_generated & inserted into the list of assets : these assets are NOT removable by the user
+    - should not change the list of manually added assets
+ - [x] store assets 
+   - [x] per main scene for level/world assets
+   - [x] per blueprint for blueprint in lib scene
+ - [ ] UI:
+    - [x] we need to display all direct assets (stored in the scene)
+    - [ ] indirect assets:
+        - [ ] the assets of local blueprints
+
+
+Blueprints:
+    - [x] on save: write IN THE COLLECTION PROPERTIES
+        - list of assets
+        - export path
+    - [ ] blueprint selection for nested blueprints is broken

tools/blenvy/__init__.py

@@ -33,7 +33,6 @@ from .bevy_components.components.ui import (BEVY_COMPONENTS_PT_ComponentsPanel)
 from .gltf_auto_export import gltf_post_export_callback
 from .gltf_auto_export.auto_export.operators import AutoExportGLTF
 from .gltf_auto_export.auto_export.tracker import AutoExportTracker
-from .gltf_auto_export.auto_export.preferences import (AutoExportGltfAddonPreferences)
 
 from .gltf_auto_export.auto_export.internals import (SceneLink,
                         SceneLinks,
@@ -41,7 +40,7 @@ from .gltf_auto_export.auto_export.internals import (SceneLink,
                         BlueprintsToExport,
                         CUSTOM_PG_sceneName
                         )
-from .gltf_auto_export.ui.main import (GLTF_PT_auto_export_change_detection, GLTF_PT_auto_export_changes_list, GLTF_PT_auto_export_main,
+from .gltf_auto_export.ui.main import (GLTF_PT_auto_export_change_detection, GLTF_PT_auto_export_main,
                       GLTF_PT_auto_export_root,
                       GLTF_PT_auto_export_general,
                       GLTF_PT_auto_export_scenes,
@@ -53,7 +52,7 @@ from .gltf_auto_export.ui.main import (GLTF_PT_auto_export_change_detection, GLT
 from .gltf_auto_export.ui.operators import (OT_OpenFolderbrowser, SCENES_LIST_OT_actions)
 
 # asset management
-from .assets.ui import GLTF_PT_auto_export_assets
+from .assets.ui import Blenvy_assets
 from .assets.assets_registry import AssetsRegistry
 from .assets.operators import OT_Add_asset_filebrowser, OT_add_bevy_asset, OT_remove_bevy_asset
 
@@ -151,7 +150,7 @@ classes = [
     OT_add_bevy_asset,
     OT_remove_bevy_asset,
     OT_Add_asset_filebrowser,
-    GLTF_PT_auto_export_assets,
+    Blenvy_assets,
 
     BlueprintsRegistry,
     OT_select_blueprint,

tools/blenvy/assets/asset_helpers.py

@@ -0,0 +1,5 @@
+import json
+
+def get_assets(scene_or_collection):
+    assets = json.loads(scene_or_collection.get('assets')) if 'assets' in scene_or_collection else []
+    return assets

tools/blenvy/assets/operators.py

@@ -4,6 +4,7 @@ import bpy
 from bpy_types import (Operator)
 from bpy.props import (BoolProperty, StringProperty, EnumProperty)
 
+from ..core.path_helpers import absolute_path_from_blend_file
 from ..settings import load_settings
 
 class OT_add_bevy_asset(Operator):
@@ -148,9 +149,10 @@ class OT_Add_asset_filebrowser(Operator, ImportHelper):
         export_assets_path = current_auto_settings.get("export_assets_path", "assets")
         # FIXME: not sure
         print("export_root_path", export_root_path, "export_assets_path", export_assets_path)
-        export_assets_path_absolute = os.path.join(export_root_path, export_assets_path)
+        export_assets_path_absolute = absolute_path_from_blend_file(os.path.join(export_root_path, export_assets_path))
-        asset_path = os.path.relpath(self.filepath, export_assets_path_absolute)
 
+        asset_path = os.path.relpath(self.filepath, export_assets_path_absolute)
+        print("asset path", asset_path)
 
         assets_registry = context.window_manager.assets_registry
         assets_registry.asset_path_selector = asset_path

tools/blenvy/assets/ui.py

@@ -1,31 +1,32 @@
 import bpy
-import json
+from .asset_helpers import get_assets
 
 
-def draw_assets(layout, name, title, asset_registry, assets, target_type, target_name):
+def draw_assets(layout, name, title, asset_registry, assets, target_type, target_name, editable=True):
     header, panel = layout.box().panel(f"assets{name}", default_closed=False)
     header.label(text=title)
     if panel:
-        row = panel.row()
+        if editable:
-        row.prop(asset_registry, "asset_name_selector", text="")
+            row = panel.row()
-        row.prop(asset_registry, "asset_type_selector", text="")
+            row.prop(asset_registry, "asset_name_selector", text="")
-        asset_selector = row.operator(operator="asset.open_filebrowser", text="", icon="FILE_FOLDER")
+            row.prop(asset_registry, "asset_type_selector", text="")
+            asset_selector = row.operator(operator="asset.open_filebrowser", text="", icon="FILE_FOLDER")
             
-        if asset_registry.asset_type_selector == 'IMAGE':
+            if asset_registry.asset_type_selector == 'IMAGE':
-            asset_selector.filter_glob = '*.jpg;*.jpeg;*.png;*.bmp'
+                asset_selector.filter_glob = '*.jpg;*.jpeg;*.png;*.bmp'
-        if asset_registry.asset_type_selector == 'MODEL':
+            if asset_registry.asset_type_selector == 'MODEL':
-            asset_selector.filter_glob="*.glb;*.gltf"
+                asset_selector.filter_glob="*.glb;*.gltf"
-        if asset_registry.asset_type_selector == 'TEXT':
+            if asset_registry.asset_type_selector == 'TEXT':
-            asset_selector.filter_glob="*.txt;*.md;*.ron;*.json"
+                asset_selector.filter_glob="*.txt;*.md;*.ron;*.json"
-        if asset_registry.asset_type_selector == 'AUDIO':
+            if asset_registry.asset_type_selector == 'AUDIO':
-            asset_selector.filter_glob="*.mp3;*.wav;*.flac"
+                asset_selector.filter_glob="*.mp3;*.wav;*.flac"
 
-        add_asset = row.operator(operator="bevyassets.add", text="", icon="ADD")
+            add_asset = row.operator(operator="bevyassets.add", text="", icon="ADD")
-        add_asset.target_type = target_type
+            add_asset.target_type = target_type
-        add_asset.target_name = target_name
+            add_asset.target_name = target_name
-        add_asset.asset_name = asset_registry.asset_name_selector
+            add_asset.asset_name = asset_registry.asset_name_selector
-        add_asset.asset_type = asset_registry.asset_type_selector
+            add_asset.asset_type = asset_registry.asset_type_selector
-        add_asset.asset_path = asset_registry.asset_path_selector
+            add_asset.asset_path = asset_registry.asset_path_selector
 
         #assets = json.loads(blueprint.collection["assets"]) if "assets" in blueprint.collection else []
         for asset in assets:
@@ -33,7 +34,7 @@ def draw_assets(layout, name, title, asset_registry, assets, target_type, target
             row.label(text=asset["name"])
             row.label(text=asset["type"])
             row.label(text=asset["path"])
-            if not asset["internal"]:
+            if not asset["internal"] and editable:
                 remove_asset = row.operator(operator="bevyassets.remove", text="", icon="TRASH")
                 remove_asset.target_type = target_type
                 remove_asset.target_name = target_name
@@ -41,7 +42,7 @@ def draw_assets(layout, name, title, asset_registry, assets, target_type, target
             else:
                 row.label(text="")
 
-class GLTF_PT_auto_export_assets(bpy.types.Panel):
+class Blenvy_assets(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_label = ""
@@ -74,6 +75,6 @@ class GLTF_PT_auto_export_assets(bpy.types.Panel):
         if panel:
             for scene in bpy.data.scenes:
                 if scene.name != "Library": # FIXME: hack for testing
-                    assets = json.loads(scene.get('assets')) if 'assets' in scene else []
+                    direct_assets = get_assets(scene)
                     row = panel.row()
-                    draw_assets(layout=row, name=scene.name, title=f"{scene.name} Assets", asset_registry=asset_registry, assets=assets, target_type="SCENE", target_name=scene.name)
+                    draw_assets(layout=row, name=scene.name, title=f"{scene.name} Assets", asset_registry=asset_registry, assets=direct_assets, target_type="SCENE", target_name=scene.name)

tools/blenvy/bevy_components/helpers.py

@@ -1,19 +0,0 @@
-import bpy
-import json
-
-# Makes an empty, at the specified location, rotation, scale stores it in existing collection, from https://blender.stackexchange.com/questions/51290/how-to-add-empty-object-not-using-bpy-ops
-def make_empty(name, location, rotation, scale, collection):
-    object_data = None 
-    empty_obj = bpy.data.objects.new( name, object_data )
-    
-    empty_obj.empty_display_size = 2
-    empty_obj.empty_display_type = 'PLAIN_AXES'   
-
-    empty_obj.name = name
-    empty_obj.location = location
-    empty_obj.scale = scale
-    empty_obj.rotation_euler = rotation
-
-    collection.objects.link( empty_obj )
-    #bpy.context.view_layer.update()
-    return empty_obj

tools/blenvy/blueprints/blueprint.py

@@ -0,0 +1,18 @@
+class Blueprint:
+    def __init__(self, name):
+        self.name = name
+        self.local = True
+        self.marked = False # If marked as asset or with auto_export flag, always export if changed
+        self.scene = None # Not sure, could be usefull for tracking
+
+        self.instances = []
+        self.objects = []
+        self.nested_blueprints = []
+
+        self.collection = None # should we just sublclass ?
+    
+    def __repr__(self):
+        return f'Name: {self.name} Local: {self.local}, Scene: {self.scene}, Instances: {self.instances},  Objects: {self.objects}, nested_blueprints: {self.nested_blueprints}'
+
+    def __str__(self):
+        return f'Name: "{self.name}", Local: {self.local}, Scene: {self.scene}, Instances: {self.instances},  Objects: {self.objects}, nested_blueprints: {self.nested_blueprints}'

tools/blenvy/blueprints/blueprint_helpers.py

@@ -0,0 +1,98 @@
+
+import os
+import json
+import bpy
+from ..core.scene_helpers import add_scene_property
+
+def find_blueprints_not_on_disk(blueprints, folder_path, extension):
+    not_found_blueprints = []
+    for blueprint in blueprints:
+        gltf_output_path = os.path.join(folder_path, blueprint.name + extension)
+        # print("gltf_output_path", gltf_output_path)
+        found = os.path.exists(gltf_output_path) and os.path.isfile(gltf_output_path)
+        if not found:
+            not_found_blueprints.append(blueprint)
+    return not_found_blueprints
+
+def check_if_blueprint_on_disk(scene_name, folder_path, extension):
+    gltf_output_path = os.path.join(folder_path, scene_name + extension)
+    found = os.path.exists(gltf_output_path) and os.path.isfile(gltf_output_path)
+    print("level", scene_name, "found", found, "path", gltf_output_path)
+    return found
+
+def inject_export_path_into_internal_blueprints(internal_blueprints, export_blueprints_path, gltf_extension):
+    for blueprint in internal_blueprints:
+        blueprint_exported_path = os.path.join(export_blueprints_path, f"{blueprint.name}{gltf_extension}")
+        blueprint.collection["export_path"] = blueprint_exported_path
+
+def inject_blueprints_list_into_main_scene(scene, blueprints_data, addon_prefs):
+    export_root_path = getattr(addon_prefs, "export_root_path")
+    export_assets_path = getattr(addon_prefs,"export_assets_path")
+    export_levels_path = getattr(addon_prefs,"export_levels_path")
+    export_blueprints_path = getattr(addon_prefs, "export_blueprints_path")
+    export_gltf_extension = getattr(addon_prefs, "export_gltf_extension")
+
+    # print("injecting assets/blueprints data into scene")
+    assets_list_name = f"assets_list_{scene.name}_components"
+    assets_list_data = {}
+
+    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_main_scene.get(scene.name, None)
+    # find all blueprints used in a scene
+    blueprints_in_scene = []
+    if blueprint_instance_names_for_scene: # what are the blueprints used in this scene, inject those into the assets list component
+        children_per_blueprint = {}
+        for blueprint_name in blueprint_instance_names_for_scene:
+            blueprint = blueprints_data.blueprints_per_name.get(blueprint_name, None)
+            if blueprint:
+                children_per_blueprint[blueprint_name] = blueprint.nested_blueprints
+                blueprints_in_scene += blueprint.nested_blueprints
+        assets_list_data["BlueprintsList"] = f"({json.dumps(dict(children_per_blueprint))})"
+        print(blueprint_instance_names_for_scene)
+    # add_scene_property(scene, assets_list_name, assets_list_data)
+
+    blueprint_assets_list = []
+    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)
+            if blueprint is not None: 
+                print("BLUEPRINT", blueprint)
+                blueprint_exported_path = None
+                if blueprint.local:
+                    blueprint_exported_path = os.path.join(export_blueprints_path, f"{blueprint.name}{export_gltf_extension}")
+                else:
+                    # get the injected path of the external blueprints
+                    blueprint_exported_path = blueprint.collection['Export_path'] if 'Export_path' in blueprint.collection else None
+                    print("foo", dict(blueprint.collection))
+                if blueprint_exported_path is not None:
+                    blueprint_assets_list.append({"name": blueprint.name, "path": blueprint_exported_path, "type": "MODEL", "internal": True})
+                
+
+    # fetch images/textures
+    # see https://blender.stackexchange.com/questions/139859/how-to-get-absolute-file-path-for-linked-texture-image
+    textures = []
+    for ob in bpy.data.objects:
+        if ob.type == "MESH":
+            for mat_slot in ob.material_slots:
+                if mat_slot.material:
+                    if mat_slot.material.node_tree:
+                        textures.extend([x.image.filepath for x in mat_slot.material.node_tree.nodes if x.type=='TEX_IMAGE'])
+    print("textures", textures)
+
+    assets_list_name = f"assets_{scene.name}"
+    assets_list_data = {"blueprints": json.dumps(blueprint_assets_list), "sounds":[], "images":[]}
+    scene["assets"] = json.dumps(blueprint_assets_list)
+
+    print("blueprint assets", blueprint_assets_list)
+    add_scene_property(scene, assets_list_name, assets_list_data)
+    for blueprint in blueprint_assets_list:
+        bpy.context.window_manager.assets_registry.add_asset(**blueprint)
+
+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/blenvy/blueprints/blueprints_registry.py

@@ -6,9 +6,7 @@ from pathlib import Path
 from bpy_types import (PropertyGroup)
 from bpy.props import (StringProperty, BoolProperty, FloatProperty, FloatVectorProperty, IntProperty, IntVectorProperty, EnumProperty, PointerProperty, CollectionProperty)
 
-
 # this is where we store the information for all available Blueprints
-#
 class BlueprintsRegistry(PropertyGroup):
     blueprints_data = {}
     blueprints_list = []

tools/blenvy/blueprints/blueprints_scan.py

@@ -1,43 +1,6 @@
-
-import os
 from types import SimpleNamespace
 import bpy
-
+from .blueprint import Blueprint
-class Blueprint:
-    def __init__(self, name):
-        self.name = name
-        self.local = True
-        self.marked = False # If marked as asset or with auto_export flag, always export if changed
-        self.scene = None # Not sure, could be usefull for tracking
-
-        self.instances = []
-        self.objects = []
-        self.nested_blueprints = []
-
-        self.collection = None # should we just sublclass ?
-    
-    def __repr__(self):
-        return f'Name: {self.name} Local: {self.local}, Scene: {self.scene}, Instances: {self.instances},  Objects: {self.objects}, nested_blueprints: {self.nested_blueprints}'
-
-    def __str__(self):
-        return f'Name: "{self.name}", Local: {self.local}, Scene: {self.scene}, Instances: {self.instances},  Objects: {self.objects}, nested_blueprints: {self.nested_blueprints}'
-
-
-def find_blueprints_not_on_disk(blueprints, folder_path, extension):
-    not_found_blueprints = []
-    for blueprint in blueprints:
-        gltf_output_path = os.path.join(folder_path, blueprint.name + extension)
-        # print("gltf_output_path", gltf_output_path)
-        found = os.path.exists(gltf_output_path) and os.path.isfile(gltf_output_path)
-        if not found:
-            not_found_blueprints.append(blueprint)
-    return not_found_blueprints
-
-def check_if_blueprint_on_disk(scene_name, folder_path, extension):
-    gltf_output_path = os.path.join(folder_path, scene_name + extension)
-    found = os.path.exists(gltf_output_path) and os.path.isfile(gltf_output_path)
-    print("level", scene_name, "found", found, "path", gltf_output_path)
-    return found
 
 # blueprints: any collection with either
 # - an instance
@@ -276,126 +239,3 @@ def blueprints_scan(main_scenes, library_scenes, addon_prefs):
     }
 
     return SimpleNamespace(**data)
-
-
-import json
-from .object_makers import (make_empty)
-
-
-def add_scene_property(scene, property_name, property_data):
-    root_collection = scene.collection
-    scene_property = None
-    for object in scene.objects:
-        if object.name == property_name:
-            scene_property = object
-            break
-    
-    if scene_property is None:
-        scene_property = make_empty(property_name, [0,0,0], [0,0,0], [0,0,0], root_collection)
-
-    for key in property_data.keys():
-        scene_property[key] = property_data[key]
-
-
-def inject_blueprints_list_into_main_scene(scene, blueprints_data, addon_prefs):
-    export_root_path = getattr(addon_prefs, "export_root_path")
-    export_assets_path = getattr(addon_prefs,"export_assets_path")
-    export_levels_path = getattr(addon_prefs,"export_levels_path")
-    export_blueprints_path = getattr(addon_prefs, "export_blueprints_path")
-    export_gltf_extension = getattr(addon_prefs, "export_gltf_extension")
-
-    # print("injecting assets/blueprints data into scene")
-    assets_list_name = f"assets_list_{scene.name}_components"
-    assets_list_data = {}
-
-
-    # FIXME: temporary hack
-    for blueprint in blueprints_data.blueprints:
-        bpy.context.window_manager.blueprints_registry.add_blueprint(blueprint)
-
-    blueprint_instance_names_for_scene = blueprints_data.blueprint_instances_per_main_scene.get(scene.name, None)
-    # find all blueprints used in a scene
-    blueprints_in_scene = []
-    if blueprint_instance_names_for_scene: # what are the blueprints used in this scene, inject those into the assets list component
-        children_per_blueprint = {}
-        for blueprint_name in blueprint_instance_names_for_scene:
-            blueprint = blueprints_data.blueprints_per_name.get(blueprint_name, None)
-            if blueprint:
-                children_per_blueprint[blueprint_name] = blueprint.nested_blueprints
-                blueprints_in_scene += blueprint.nested_blueprints
-        assets_list_data["BlueprintsList"] = f"({json.dumps(dict(children_per_blueprint))})"
-        print(blueprint_instance_names_for_scene)
-    add_scene_property(scene, assets_list_name, assets_list_data)
-
-
-    blueprints_path_full = os.path.join(export_assets_path, export_blueprints_path)
-    relative_blueprints_path = os.path.relpath(export_blueprints_path, export_root_path)
-
-    blueprint_assets_list = []
-    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)
-            if blueprint is not None: 
-                print("BLUEPRINT", blueprint)
-                blueprint_exported_path = None
-                if blueprint.local:
-                    blueprint_exported_path = os.path.join(export_blueprints_path, f"{blueprint.name}{export_gltf_extension}")
-                else:
-                    # get the injected path of the external blueprints
-                    blueprint_exported_path = blueprint.collection['Export_path'] if 'Export_path' in blueprint.collection else None
-                    print("foo", dict(blueprint.collection))
-                if blueprint_exported_path is not None:
-                    blueprint_assets_list.append({"name": blueprint.name, "path": blueprint_exported_path, "type": "MODEL", "internal": True})
-                
-
-    # fetch images/textures
-    # see https://blender.stackexchange.com/questions/139859/how-to-get-absolute-file-path-for-linked-texture-image
-    textures = []
-    for ob in bpy.data.objects:
-        if ob.type == "MESH":
-            for mat_slot in ob.material_slots:
-                if mat_slot.material:
-                    if mat_slot.material.node_tree:
-                        textures.extend([x.image.filepath for x in mat_slot.material.node_tree.nodes if x.type=='TEX_IMAGE'])
-    print("textures", textures)
-
-    assets_list_name = f"assets_{scene.name}"
-    assets_list_data = {"blueprints": json.dumps(blueprint_assets_list), "sounds":[], "images":[]}
-    scene["assets"] = json.dumps(blueprint_assets_list)
-
-    print("blueprint assets", blueprint_assets_list)
-    add_scene_property(scene, assets_list_name, assets_list_data)
-    for blueprint in blueprint_assets_list:
-        bpy.context.window_manager.assets_registry.add_asset(**blueprint)
-
-
-    '''root_collection = scene.collection
-
-    assets_list = None
-    for object in scene.objects:
-        if object.name == assets_list_name:
-            assets_list = object
-            break
-
-    if assets_list is None:
-        assets_list = make_empty(assets_list_name, [0,0,0], [0,0,0], [0,0,0], root_collection)
-
-    blueprint_names_for_scene = blueprints_data.blueprint_instances_per_main_scene.get(scene.name, None)
-    # find all blueprints used in a scene
-    if blueprint_names_for_scene: # what are the blueprints used in this scene, inject those into the assets list component
-        children_per_blueprint = {}
-        for blueprint_name in blueprint_names_for_scene:
-            blueprint = blueprints_data.blueprints_per_name.get(blueprint_name, None)
-            if blueprint:
-                children_per_blueprint[blueprint_name] = blueprint.nested_blueprints
-        assets_list["BlueprintsList"] = f"({json.dumps(dict(children_per_blueprint))})"'''
-
-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/blenvy/blueprints/ui.py

@@ -26,8 +26,11 @@ class GLTF_PT_auto_export_blueprints_list(bpy.types.Panel):
             row.label(text=blueprint.name)
 
             if blueprint.local:
+                
                 select_blueprint = row.operator(operator="blueprint.select", text="", icon="RESTRICT_SELECT_OFF")
-                select_blueprint.blueprint_collection_name = blueprint.collection.name
+                
+                if blueprint.collection and blueprint.collection.name:
+                    select_blueprint.blueprint_collection_name = blueprint.collection.name
                 select_blueprint.blueprint_scene_name = blueprint.scene.name
 
                 assets = json.loads(blueprint.collection["assets"]) if "assets" in blueprint.collection else []
@@ -35,8 +38,6 @@ class GLTF_PT_auto_export_blueprints_list(bpy.types.Panel):
                 draw_assets(layout=layout, name=blueprint.name, title="Assets", asset_registry=asset_registry, assets=assets, target_type="BLUEPRINT", target_name=blueprint.name)
 
             else:
+                assets = json.loads(blueprint.collection["assets"]) if "assets" in blueprint.collection else []
+                draw_assets(layout=layout, name=blueprint.name, title="Assets", asset_registry=asset_registry, assets=assets, target_type="BLUEPRINT", target_name=blueprint.name, editable=False)
                 row.label(text="External")
-
-        for collection in bpy.context.window_manager.exportedCollections:
-            row = layout.row()
-            row.label(text=collection.name)

tools/blenvy/core/blenvy_manager.py

@@ -1,6 +1,6 @@
 import bpy
 from bpy_types import (PropertyGroup)
-from bpy.props import (EnumProperty, PointerProperty)
+from bpy.props import (EnumProperty, PointerProperty, StringProperty)
 
 
 class BlenvyManager(PropertyGroup):
@@ -15,6 +15,38 @@ class BlenvyManager(PropertyGroup):
                 )
         ) # type: ignore
     
+
+    export_root_path: StringProperty(
+        name = "Project Root Path",
+        description="The root folder of your (Bevy) project (not assets!)",
+        default='../'
+    ) # type: ignore
+
+    export_assets_path: StringProperty(
+        name='Export folder',
+        description='The root folder for all exports(relative to the root folder/path) Defaults to "assets" ',
+        default='./assets',
+        options={'HIDDEN'}
+    ) # type: ignore
+
+    export_blueprints_path: StringProperty(
+        name='Blueprints path',
+        description='path to export the blueprints to (relative to the assets folder)',
+        default='blueprints',
+    ) # type: ignore
+
+    export_levels_path: StringProperty(
+        name='Levels path',
+        description='path to export the levels (main scenes) to (relative to the assets folder)',
+        default='levels',
+    ) # type: ignore
+
+    export_materials_path: StringProperty(
+        name='Materials path',
+        description='path to export the materials libraries to (relative to the assets folder)',
+        default='materials',
+    ) # type: ignore
+   
     @classmethod
     def register(cls):
         bpy.types.WindowManager.blenvy = PointerProperty(type=BlenvyManager)

tools/blenvy/core/object_makers.py

@@ -45,3 +45,26 @@ def make_cube(name, location=[0,0,0], rotation=[0,0,0], scale=[1,1,1], collectio
     if collection != None:
         collection.objects.link( new_object )
     return new_object
+
+
+
+"""import bpy
+import json
+
+# Makes an empty, at the specified location, rotation, scale stores it in existing collection, from https://blender.stackexchange.com/questions/51290/how-to-add-empty-object-not-using-bpy-ops
+def make_empty(name, location, rotation, scale, collection):
+    object_data = None 
+    empty_obj = bpy.data.objects.new( name, object_data )
+    
+    empty_obj.empty_display_size = 2
+    empty_obj.empty_display_type = 'PLAIN_AXES'   
+
+    empty_obj.name = name
+    empty_obj.location = location
+    empty_obj.scale = scale
+    empty_obj.rotation_euler = rotation
+
+    collection.objects.link( empty_obj )
+    #bpy.context.view_layer.update()
+    return empty_obj
+"""

tools/blenvy/core/path_helpers.py

@@ -0,0 +1,11 @@
+import bpy
+import os
+
+def absolute_path_from_blend_file(path):
+    # path to the current blend file
+    blend_file_path = bpy.data.filepath
+    # Get the folder
+    blend_file_folder_path = os.path.dirname(blend_file_path) 
+
+    # absolute path
+    return os.path.join(blend_file_folder_path, path)

tools/blenvy/core/scene_helpers.py

@@ -0,0 +1,27 @@
+def add_scene_property(scene, scene_component_name, property_data, limit_to=None):
+    root_collection = scene.collection
+    scene_property = None
+    for object in scene.objects:
+        if object.name == scene_component_name:
+            scene_property = object
+            break
+    
+    if scene_property is None:
+        scene_property = make_empty(scene_component_name, [0,0,0], [0,0,0], [0,0,0], root_collection)
+
+    for key in property_data.keys():
+        if limit_to is not None:
+            if key in limit_to:
+                scene_property[key] = property_data[key]
+        else:
+            scene_property[key] = property_data[key]
+
+
+# compatibility helper until we land gltf_extras at the scene level for Bevy
+# it copies a custom property into an __components object's properties
+def copy_scene_or_collection_property_to_object_component(scene, property_name, target_object_name):
+    property_value = scene.get(property_name, None)
+    if property_value is not None:
+        property_data = {}
+        property_data[property_name] = property_value
+        add_scene_property(scene=scene, scene_component_name=target_object_name, property_data=property_data)

tools/blenvy/core/ui.py

@@ -3,6 +3,20 @@ from ..settings import load_settings
 
 ######################################################
 ## ui logic & co
+def draw_folder_browser(layout, label, prop_origin, target_property):
+    row = layout.row()
+    row.label(text=label)
+
+    '''box = row.box()
+    box.scale_y = 0.5
+    box.label(text=value)'''
+
+    col = row.column()
+    col.enabled = False
+    col.prop(prop_origin, target_property, text="")
+
+    folder_selector = row.operator("generic.open_folderbrowser", icon="FILE_FOLDER", text="")
+    folder_selector.target_property = target_property #"export_root_path"
 
 # side panel
 class BLENVY_PT_SidePanel(bpy.types.Panel):
@@ -66,6 +80,21 @@ class BLENVY_PT_SidePanel(bpy.types.Panel):
         layout.label(text="Library scene active: "+ str(library_scene_active))
         layout.label(text=blenvy.mode)"""
 
+
+        if blenvy.mode == "SETTINGS":
+            header, panel = layout.panel("auto_export", default_closed=False)
+            header.label(text="Common")
+            if panel:
+                row = panel.row()
+                draw_folder_browser(layout=row, label="Root Folder", prop_origin=blenvy, target_property="export_root_path")
+                row = panel.row()
+                draw_folder_browser(layout=row, label="Assets Folder", prop_origin=blenvy, target_property="export_assets_path")
+                row = panel.row()
+                draw_folder_browser(layout=row, label="Blueprints Folder", prop_origin=blenvy, target_property="export_blueprints_path")
+                row = panel.row()
+                draw_folder_browser(layout=row, label="Levels Folder", prop_origin=blenvy, target_property="export_levels_path")
+                row = panel.row()
+                draw_folder_browser(layout=row, label="Materials Folder", prop_origin=blenvy, target_property="export_materials_path")
         """if blenvy.mode == "SETTINGS":
             header, panel = layout.panel("auto_export", default_closed=False)
             header.label(text="Auto Export")

tools/blenvy/gltf_auto_export/auto_export/auto_export.py

@@ -1,12 +1,9 @@
-import copy
+
-import json
 import os
-from types import SimpleNamespace
 import bpy
 import traceback
 
-
+from ..helpers.helpers_scenes import (get_scenes, )
-from .preferences import AutoExportGltfAddonPreferences
 
 from .get_blueprints_to_export import get_blueprints_to_export
 from .get_levels_to_export import get_levels_to_export
@@ -14,13 +11,12 @@ from .get_standard_exporter_settings import get_standard_exporter_settings
 
 from .export_main_scenes import export_main_scene
 from .export_blueprints import export_blueprints
-
-from ..helpers.helpers_scenes import (get_scenes, )
-from ..helpers.helpers_blueprints import blueprints_scan
-
 from ..modules.export_materials import cleanup_materials, export_materials
 from ..modules.bevy_scene_components import remove_scene_components, upsert_scene_components
 
+from ...blueprints.blueprints_scan import blueprints_scan
+from ...blueprints.blueprint_helpers import inject_export_path_into_internal_blueprints
+
 
 """this is the main 'central' function for all auto export """
 def auto_export(changes_per_scene, changed_export_parameters, addon_prefs):
@@ -68,19 +64,23 @@ def auto_export(changes_per_scene, changed_export_parameters, addon_prefs):
         addon_prefs.export_assets_path_full = os.path.join(blend_file_path, export_root_path, export_assets_path)
         addon_prefs.export_blueprints_path_full = os.path.join(addon_prefs.export_assets_path_full, getattr(addon_prefs,"export_blueprints_path"))
         addon_prefs.export_levels_path_full = os.path.join(addon_prefs.export_assets_path_full, getattr(addon_prefs,"export_levels_path"))
-        addon_prefs.export_materials_path = os.path.join(addon_prefs.export_assets_path_full, getattr(addon_prefs,"export_materials_path"))
+        addon_prefs.export_materials_path_full = os.path.join(addon_prefs.export_assets_path_full, getattr(addon_prefs,"export_materials_path"))
         addon_prefs.export_gltf_extension = gltf_extension
 
         [main_scene_names, level_scenes, library_scene_names, library_scenes] = get_scenes(addon_prefs)
 
-        print("main scenes", main_scene_names, "library_scenes", library_scene_names)
-        print("export_assets_path", export_assets_path)
-
         blueprints_data = blueprints_scan(level_scenes, library_scenes, addon_prefs)
         blueprints_per_scene = blueprints_data.blueprints_per_scenes
         internal_blueprints = [blueprint.name for blueprint in blueprints_data.internal_blueprints]
         external_blueprints = [blueprint.name for blueprint in blueprints_data.external_blueprints]
 
+
+        # we inject the blueprints export path
+        export_blueprints_path = getattr(addon_prefs,"export_blueprints_path")
+        inject_export_path_into_internal_blueprints(internal_blueprints=blueprints_data.internal_blueprints, export_blueprints_path=export_blueprints_path, gltf_extension=gltf_extension)
+        for blueprint in blueprints_data.blueprints:
+            bpy.context.window_manager.blueprints_registry.add_blueprint(blueprint)
+
         if export_scene_settings:
             # inject/ update scene components
             upsert_scene_components(level_scenes)
@@ -101,7 +101,7 @@ def auto_export(changes_per_scene, changed_export_parameters, addon_prefs):
             # since materials export adds components we need to call this before blueprints are exported
             # export materials & inject materials components into relevant objects
             if export_materials_library:
-                export_materials(blueprints_data.blueprint_names, library_scenes, blend_file_path, addon_prefs)
+                export_materials(blueprints_data.blueprint_names, library_scenes, addon_prefs)
 
             # update the list of tracked exports
             exports_total = len(blueprints_to_export) + len(main_scenes_to_export) + (1 if export_materials_library else 0)
@@ -139,11 +139,7 @@ def auto_export(changes_per_scene, changed_export_parameters, addon_prefs):
             do_export_library_scene = not export_change_detection or changed_export_parameters or len(blueprints_to_export) > 0
             if do_export_library_scene:
                 print("export LIBRARY")
-                # we only want to go through the library scenes where our blueprints to export are present
+                export_blueprints(blueprints_to_export, addon_prefs, blueprints_data)
-                """for (scene_name, blueprints_to_export)  in blueprints_per_scene.items():
-                    print("     exporting blueprints from scene:", scene_name)
-                    print("     blueprints to export", blueprints_to_export)"""
-                export_blueprints(blueprints_to_export, blend_file_path, addon_prefs, blueprints_data)
 
             # reset current scene from backup
             bpy.context.window.scene = old_current_scene

tools/blenvy/gltf_auto_export/auto_export/export_blueprints.py

@@ -7,7 +7,7 @@ from .export_gltf import (generate_gltf_export_preferences)
 from ..helpers.helpers_scenes import clear_hollow_scene, copy_hollowed_collection_into
 
    
-def export_blueprints(blueprints, blend_file_path, addon_prefs, blueprints_data):
+def export_blueprints(blueprints, addon_prefs, blueprints_data):
     export_blueprints_path_full = getattr(addon_prefs,"export_blueprints_path_full")
     gltf_export_preferences = generate_gltf_export_preferences(addon_prefs)
     
@@ -26,6 +26,7 @@ def export_blueprints(blueprints, blend_file_path, addon_prefs, blueprints_data)
                 export_settings['export_materials'] = 'PLACEHOLDER'
 
             collection = bpy.data.collections[blueprint.name]
+            # do the actual export
             generate_and_export(
                 addon_prefs, 
                 temp_scene_name=TEMPSCENE_PREFIX+collection.name,

tools/blenvy/gltf_auto_export/auto_export/export_main_scenes.py

@@ -7,7 +7,7 @@ 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
-from ..helpers.helpers_blueprints import inject_blueprints_list_into_main_scene, remove_blueprints_list_from_main_scene
+from ...blueprints.blueprint_helpers import inject_blueprints_list_into_main_scene, remove_blueprints_list_from_main_scene
 
 def export_main_scene(scene, blend_file_path, addon_prefs, blueprints_data): 
     gltf_export_preferences = generate_gltf_export_preferences(addon_prefs)

tools/blenvy/gltf_auto_export/auto_export/get_blueprints_to_export.py

@@ -1,7 +1,7 @@
 import bpy
 import os
 from ..helpers.helpers_scenes import (get_scenes, )
-from ..helpers.helpers_blueprints import find_blueprints_not_on_disk
+from ...blueprints.blueprint_helpers import find_blueprints_not_on_disk
 
 # TODO: this should also take the split/embed mode into account: if a nested collection changes AND embed is active, its container collection should also be exported
 def get_blueprints_to_export(changes_per_scene, changed_export_parameters, blueprints_data, addon_prefs):

tools/blenvy/gltf_auto_export/auto_export/get_levels_to_export.py

@@ -1,5 +1,5 @@
 import bpy
-from ..helpers.helpers_blueprints import check_if_blueprint_on_disk
+from ...blueprints.blueprint_helpers import check_if_blueprint_on_disk
 from ..helpers.helpers_scenes import (get_scenes, )
 
 # IF collection_instances_combine_mode is not 'split' check for each scene if any object in changes_per_scene has an instance in the scene

tools/blenvy/gltf_auto_export/helpers/helpers_scenes.py

@@ -1,12 +1,12 @@
 import json
 import bpy
-from .object_makers import (make_empty)
+from ...core.object_makers import (make_empty)
 
 
 # these are mostly for when using this add-on together with the bevy_components add-on
 custom_properties_to_filter_out = ['_combine', 'template', 'components_meta']
 
-def is_component_valid(object, component_name):
+def is_component_valid_and_enabled(object, component_name):
     if "components_meta" in object or hasattr(object, "components_meta"):
         target_components_metadata = object.components_meta.components
         component_meta = next(filter(lambda component: component["long_name"] == component_name, target_components_metadata), None)
@@ -18,7 +18,7 @@ def remove_unwanted_custom_properties(object):
     to_remove = []
     component_names = list(object.keys()) # to avoid 'IDPropertyGroup changed size during iteration' issues
     for component_name in component_names:
-        if not is_component_valid(object, component_name):
+        if not is_component_valid_and_enabled(object, component_name):
             to_remove.append(component_name)
     for cp in custom_properties_to_filter_out + to_remove:
         if cp in object:
@@ -118,7 +118,7 @@ def duplicate_object(object, parent, combine_mode, destination_collection, bluep
         
         # we copy custom properties over from our original object to our empty
         for component_name, component_value in object.items():
-            if component_name not in custom_properties_to_filter_out and is_component_valid(object, component_name): #copy only valid properties
+            if component_name not in custom_properties_to_filter_out and is_component_valid_and_enabled(object, component_name): #copy only valid properties
                 empty_obj[component_name] = component_value
         copy = empty_obj
     else:
@@ -174,9 +174,6 @@ def copy_hollowed_collection_into(source_collection, destination_collection, par
             blueprints_data = blueprints_data, 
             addon_prefs=addon_prefs
         )
-
-   
-    
     return {}
 
 # clear & remove "hollow scene"

tools/blenvy/gltf_auto_export/modules/bevy_scene_components.py

@@ -1,6 +1,6 @@
 
 import bpy
-from ..helpers.object_makers import make_empty
+from ...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):

tools/blenvy/gltf_auto_export/modules/export_materials.py

@@ -3,10 +3,9 @@ import bpy
 from pathlib import Path
 
 from ..helpers.generate_and_export import generate_and_export
-
 from ..helpers.helpers_collections import (traverse_tree)
 from ..auto_export.export_gltf import (export_gltf, generate_gltf_export_preferences)
-from ..helpers.object_makers import make_cube
+from ...core.object_makers import make_cube
 
 # get materials per object, and injects the materialInfo component
 def get_materials(object):
@@ -90,11 +89,9 @@ def clear_materials_scene(temp_scene):
 
 # exports the materials used inside the current project:
 # the name of the output path is <materials_folder>/<name_of_your_blend_file>_materials_library.gltf/glb
-def export_materials(collections, library_scenes, folder_path, addon_prefs):
+def export_materials(collections, library_scenes, addon_prefs):
     gltf_export_preferences = generate_gltf_export_preferences(addon_prefs)
-    export_materials_path = getattr(addon_prefs,"export_materials_path")
+    export_materials_path_full = getattr(addon_prefs,"export_materials_path_full")
-    export_root_path = getattr(addon_prefs, "export_root_path")
-
 
     used_material_names = get_all_materials(collections, library_scenes)
     current_project_name = Path(bpy.context.blend_data.filepath).stem
@@ -108,7 +105,7 @@ def export_materials(collections, library_scenes, folder_path, addon_prefs):
                     'export_apply':True
                     }
                     
-    gltf_output_path = os.path.join(export_root_path, export_materials_path, current_project_name + "_materials_library")
+    gltf_output_path = os.path.join(export_materials_path_full, current_project_name + "_materials_library")
 
     print("       exporting Materials to", gltf_output_path, ".gltf/glb")
 

tools/blenvy/gltf_auto_export/ui/main.py

@@ -13,7 +13,6 @@ class GLTF_PT_auto_export_SidePanel(bpy.types.Panel):
     bl_context = "objectmode"
     bl_parent_id = "BLENVY_PT_SidePanel"
 
-
     @classmethod
     def poll(cls, context):
         return context.window_manager.blenvy.mode == 'SETTINGS'
@@ -40,26 +39,6 @@ class GLTF_PT_auto_export_SidePanel(bpy.types.Panel):
         op = layout.operator("EXPORT_SCENES_OT_auto_gltf", text="Auto Export Settings")
         op.auto_export = True
 
-class GLTF_PT_auto_export_changes_list(bpy.types.Panel):
-    bl_space_type = 'VIEW_3D'
-    bl_region_type = 'UI'
-    bl_label = "Changes per scene since last save "
-    bl_parent_id = "GLTF_PT_auto_export_SidePanel"
-    bl_options = {'DEFAULT_CLOSED'}
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-        layout.use_property_decorate = False  # No animation.
-
-        #if "auto_export_tracker" in context.window_manager:
-        changed_objects_per_scene = context.window_manager.auto_export_tracker.changed_objects_per_scene
-        for scene_name in changed_objects_per_scene:
-            layout.label(text=f'{scene_name}')
-            for object_name in list(changed_objects_per_scene[scene_name].keys()):
-                row = layout.row()
-                row.label(text=f'    {object_name}')
-
 # main ui in the file => export 
 class GLTF_PT_auto_export_main(bpy.types.Panel):
     bl_space_type = 'FILE_BROWSER'

tools/blenvy/gltf_auto_export/ui/operators.py

@@ -130,7 +130,7 @@ class OT_OpenFolderbrowser(Operator, ImportHelper):
         print("blend_file_folder_path", blend_file_folder_path)
         print("new_path", self.directory, self.target_property, operator)
 
-        path_names = ['export_assets_path', 'export_blueprints_path', 'export_levels_path', 'export_materials_path']
+        asset_path_names = ['export_assets_path', 'export_blueprints_path', 'export_levels_path', 'export_materials_path']
         export_root_path = operator.export_root_path
         export_assets_path = operator.export_assets_path
         #export_root_path_absolute = os.path.join(blend_file_folder_path, export_root_path)
@@ -142,10 +142,11 @@ class OT_OpenFolderbrowser(Operator, ImportHelper):
             new_root_path_relative = os.path.relpath(new_path, blend_file_folder_path)
             print("changing root new_path to", self.directory, blend_file_folder_path, new_root_path_relative)
             # we need to change all other relative paths before setting the new absolute path
-            for path_name in path_names:
+            for path_name in asset_path_names:
-                # get absolute path
+                # get current relative path
                 relative_path = getattr(operator, path_name, None)
                 if relative_path is not None:
+                    # and now get absolute path of asset_path 
                     absolute_path = os.path.join(export_assets_path_full, relative_path)
                     print("absolute path for", path_name, absolute_path)
                     relative_path = os.path.relpath(absolute_path, new_path)
@@ -153,7 +154,8 @@ class OT_OpenFolderbrowser(Operator, ImportHelper):
 
             # store the root path as relative to the current blend file
             setattr(operator, target_path_name, new_path)
-
+        elif target_path_name == 'export_assets_path':
+            pass
         else:
             relative_path = os.path.relpath(new_path, export_assets_path_full)
             setattr(operator, target_path_name, relative_path)

tools/gltf_auto_export/TODO.md

@@ -67,7 +67,3 @@ Change storage of 'blueprint' assets : (from BlueprintsList)
    - make asset storage generic enough to allow adding additional asset types
    - get inspired by bevy_asset_loader ?
 
-Assets:
- - [ ] store assets 
-   - [ ] per main scene for level/world assets
-   - [ ] per blueprint for blueprint in lib scene

tools/gltf_auto_export/helpers/helpers_blueprints.py

@@ -308,7 +308,6 @@ def inject_blueprints_list_into_main_scene(scene, blueprints_data, addon_prefs):
     assets_list_name = f"assets_list_{scene.name}_components"
     assets_list_data = {}
 
-
     # FIXME: temporary hack
     for blueprint in blueprints_data.blueprints:
         bpy.context.window_manager.blueprints_registry.add_blueprint(blueprint)
@@ -325,7 +324,7 @@ def inject_blueprints_list_into_main_scene(scene, blueprints_data, addon_prefs):
                 blueprints_in_scene += blueprint.nested_blueprints
         assets_list_data["BlueprintsList"] = f"({json.dumps(dict(children_per_blueprint))})"
         print(blueprint_instance_names_for_scene)
-    add_scene_property(scene, assets_list_name, assets_list_data)
+    #add_scene_property(scene, assets_list_name, assets_list_data)
 
 
     relative_blueprints_path = os.path.relpath(export_blueprints_path, export_root_folder)
@@ -346,7 +345,6 @@ def inject_blueprints_list_into_main_scene(scene, blueprints_data, addon_prefs):
                 if blueprint_exported_path is not None:
                     blueprint_assets_list.append({"name": blueprint.name, "path": blueprint_exported_path, "type": "MODEL", "internal": True})
                 
-
     # fetch images/textures
     # see https://blender.stackexchange.com/questions/139859/how-to-get-absolute-file-path-for-linked-texture-image
     textures = []