feat(auto_export): experimenting with the insane workarounds needed to get access to standard gltf exporter settings
* got a basic working version that runs the standard exporter with some overrides, deletes the temporary exported gltf file, extracts the scene level settings etc * convoluted as hell , but still better than the alternatives
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kaosat.dev
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66df7fae99
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66a893e5b6
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@ -11,6 +11,8 @@ bl_info = {
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"category": "Import-Export"
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}
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import bpy
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from bpy.types import Context
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from bpy.props import (StringProperty, BoolProperty, PointerProperty)
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from .auto_export.operators import AutoExportGLTF
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from .auto_export.tracker import AutoExportTracker
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@ -39,6 +41,94 @@ from .ui.operators import (SCENES_LIST_OT_actions)
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This is a workaround needed because of the way the settings are stored , perhaps there is a better way to deal with it ? ie by calling the AutoExportGLTF operator from the auto_export function ?
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"""
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from io_scene_gltf2 import (GLTF_PT_export_main, GLTF_PT_export_include)
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class Testing_PT_MainPanel(bpy.types.Panel):
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bl_idname = "Testing_PT_MainPanel"
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bl_label = ""
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bl_space_type = 'VIEW_3D'
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bl_region_type = 'UI'
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bl_category = "Gltf auto_export"
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bl_context = "objectmode"
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def draw_header(self, context):
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layout = self.layout
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name = context.object.name if context.object != None else ''
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layout.label(text="Gltf auto export ")
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def draw(self, context):
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layout = self.layout
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object = context.object
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collection = context.collection
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layout.label(text="MAKE SURE TO CLICK ON 'REMEMBER EXPORT SETTINGS' !!")
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op = layout.operator("EXPORT_SCENE_OT_gltf", text='Gltf settings')#'glTF 2.0 (.glb/.gltf)')
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#op.export_format = 'GLTF_SEPARATE'
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op.use_selection=True
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op.will_save_settings=True
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op.use_visible=True # Export visible and hidden objects. See Object/Batch Export to skip.
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op.use_renderable=True
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op.use_active_collection = True
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op.use_active_collection_with_nested=True
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op.use_active_scene = True
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op.filepath="dummy"
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#print("GLTF_PT_export_main", GLTF_PT_export_main.bl_parent_id)
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# wrapper operator
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"""class WrapperOperator(bpy.types.Operator):
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bl_idname = "node.delete"
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bl_label = "Delete"
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@classmethod
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def poll(cls, context):
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return True
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def execute(self, context):
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# unregister wrapper replacement operator
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bpy.utils.unregister_class(DeleteOperator)
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# call original native operator
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bpy.ops.node.delete()
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# register back the wrapper
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bpy.utils.register_class(DeleteOperator)
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return {'FINISHED'}"""
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class GLTF_PT_export_main2(bpy.types.Panel):
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bl_space_type = 'VIEW_3D'
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bl_region_type = 'UI'
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bl_label = ""
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bl_parent_id = "Testing_PT_MainPanel"
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bl_options = {'HIDE_HEADER'}
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'''@classmethod
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def poll(cls, context):
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sfile = context.space_data
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operator = sfile.active_operator
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return operator.bl_idname == "EXPORT_SCENE_OT_gltf"'''
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def draw(self, context):
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layout = self.layout
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layout.use_property_split = True
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layout.use_property_decorate = False # No animation.
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"""sfile = context.space_data
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operator = sfile.active_operator
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layout.prop(operator, 'export_format')
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if operator.export_format == 'GLTF_SEPARATE':
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layout.prop(operator, 'export_keep_originals')
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if operator.export_keep_originals is False:
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layout.prop(operator, 'export_texture_dir', icon='FILE_FOLDER')
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if operator.export_format == 'GLTF_EMBEDDED':
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layout.label(text="This is the least efficient of the available forms, and should only be used when required.", icon='ERROR')
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layout.prop(operator, 'export_copyright')
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layout.prop(operator, 'will_save_settings')"""
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#see here for original gltf exporter infos https://github.com/KhronosGroup/glTF-Blender-IO/blob/main/addons/io_scene_gltf2/__init__.py
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classes = [
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@ -60,7 +150,11 @@ classes = [
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GLTF_PT_auto_export_collections_list,
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GLTF_PT_auto_export_gltf,
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AutoExportTracker
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AutoExportTracker,
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Testing_PT_MainPanel,
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GLTF_PT_export_main2,
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]
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def menu_func_import(self, context):
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@ -76,6 +170,8 @@ def post_save(scene, depsgraph):
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bpy.context.window_manager.auto_export_tracker.save_handler( scene, depsgraph)
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def register():
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for cls in classes:
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bpy.utils.register_class(cls)
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@ -86,6 +182,18 @@ def register():
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# add our addon to the toolbar
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bpy.types.TOPBAR_MT_file_export.append(menu_func_import)
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bpy.types.WindowManager.was_good_operator = BoolProperty(default=False)
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bpy.types.Scene.was_good_operator = BoolProperty(default=False)
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#GLTF_PT_export_main.bl_parent_id = "Testing_PT_MainPanel"
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#GLTF_PT_export_include.bl_parent_id = "Testing_PT_MainPanel"
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"""try:
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bpy.app.timers.unregister(watch_schema)
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except Exception as error:
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print("failed to unregister", error)
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pass"""
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def unregister():
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for cls in classes:
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bpy.utils.unregister_class(cls)
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@ -95,5 +203,7 @@ def unregister():
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bpy.app.handlers.save_post.remove(post_save)
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if "gltf_auto_export" == "__main__":
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register()
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@ -47,11 +47,103 @@ class AutoExportTracker(PropertyGroup):
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# all our logic is done, mark this as done
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print("EXPORT DONE")
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@classmethod
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def gltf_exporter_handler(cls):
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# FOr some reason, the active operator here is always None, so using a workaround
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# active_operator = bpy.context.active_operator
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print("here", bpy.context.window_manager.was_good_operator)
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if bpy.context.window_manager.was_good_operator:
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dummy_file_path = "/home/ckaos/projects/bevy/Blender_bevy_components_worklflow/testing/bevy_example/assets/dummy.glb"
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import os
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if os.path.exists(dummy_file_path):
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print("dummy file exists, assuming it worked")
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os.unlink(dummy_file_path)
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# get the parameters
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scene = bpy.context.scene
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print("scene", scene["glTF2ExportSettings"])
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if "glTF2ExportSettings" in scene:
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settings = scene["glTF2ExportSettings"]
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print("gltf settings", dict(settings))
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# now reset the original gltf_settings
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if getattr(cls, "existing_gltf_settings", None) != None:
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print("resetting original gltf settings")
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scene["glTF2ExportSettings"] = cls.existing_gltf_settings
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else:
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print("no pre_existing settings")
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if "glTF2ExportSettings" in scene:
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del scene["glTF2ExportSettings"]
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cls.existing_gltf_settings = None
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bpy.context.window_manager.was_good_operator = False
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return None
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else:
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try:
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bpy.app.timers.unregister(cls.gltf_exporter_handler)
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except:pass
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return None
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return 1
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@classmethod
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def deps_update_handler(cls, scene, depsgraph):
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# print("change detection enabled", cls.change_detection_enabled)
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active_operator = bpy.context.active_operator
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if active_operator:
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#print("Operator", active_operator.bl_label, active_operator.bl_idname)
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if active_operator.bl_idname == "EXPORT_SCENE_OT_gltf" and not bpy.context.window_manager.was_good_operator:
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try:
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bpy.app.timers.unregister(cls.gltf_exporter_handler)
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except:pass
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bpy.app.timers.register(cls.gltf_exporter_handler, first_interval=3)
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# we force saving params
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active_operator.will_save_settings = True
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# we backup any existing gltf export settings, if there where any
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scene = bpy.context.scene
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if "glTF2ExportSettings" in scene:
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existing_setting = scene["glTF2ExportSettings"]
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cls.existing_gltf_settings = existing_setting
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bpy.context.window_manager.was_good_operator = True
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else:
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if bpy.context.window_manager.was_good_operator:
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bpy.context.window_manager.was_good_operator = False
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"""if active_operator.bl_idname == "EXPORT_SCENE_OT_gltf":
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scene = bpy.context.scene
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if "glTF2ExportSettings" in scene:
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existing_setting = scene["glTF2ExportSettings"]
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cls.existing_gltf_settings = existing_setting
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print("we just executed the correct operator")
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active_operator.will_save_settings = True
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else:
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import os
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dummy_file_path = "/home/ckaos/projects/bevy/Blender_bevy_components_worklflow/testing/bevy_example/assets/dummy.glb"
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if os.path.exists(dummy_file_path):
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print("dummy file exists")
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os.unlink(dummy_file_path)
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# get the parameters
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scene = bpy.context.scene
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settings = scene["glTF2ExportSettings"]
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print("gltf settings", dict(settings))
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# now reset the original gltf_settings
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if hasattr(cls, "existing_gltf_settings"):
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print("resetting original gltf settings")
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scene["glTF2ExportSettings"] = cls.existing_gltf_settings
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else:
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del scene["glTF2ExportSettings"]"""
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if scene.name != "temp_scene":
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#print("depsgraph_update_post", scene.name)
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# print("depsgraph_update_post", scene.name)
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changed_scene = scene.name or ""
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# only deal with changes if we are no in the mids of saving/exporting
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@ -62,6 +154,7 @@ class AutoExportTracker(PropertyGroup):
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# depsgraph = bpy.context.evaluated_depsgraph_get()
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for obj in depsgraph.updates:
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print("depsgraph update", obj)
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if isinstance(obj.id, bpy.types.Object):
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# get the actual object
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object = bpy.data.objects[obj.id.name]
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@ -85,6 +178,10 @@ class AutoExportTracker(PropertyGroup):
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else:
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cls.changed_objects_per_scene.clear()
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depsgraph = bpy.context.evaluated_depsgraph_get()
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for update in depsgraph.updates:
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print("update", update)
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def disable_change_detection(self,):
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self.change_detection_enabled = False
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self.__class__.change_detection_enabled = False
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