diff --git a/io_scene_gltf2/__init__.py b/io_scene_gltf2/__init__.py
index a875b9a6666f619644326561f5aec4bc24a62e9f..7a3cd13a125b1e9d6ed2d33c8b0cbc9e7a9eae80 100755
--- a/io_scene_gltf2/__init__.py
+++ b/io_scene_gltf2/__init__.py
@@ -15,7 +15,7 @@
bl_info = {
'name': 'glTF 2.0 format',
'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
- "version": (1, 1, 23),
+ "version": (1, 1, 24),
'blender': (2, 81, 6),
'location': 'File > Import-Export',
'description': 'Import-Export as glTF 2.0',
@@ -67,6 +67,7 @@ from bpy_extras.io_utils import ImportHelper, ExportHelper
# Functions / Classes.
#
+extension_panel_unregister_functors = []
class ExportGLTF2_Base:
# TODO: refactor to avoid boilerplate
@@ -334,6 +335,7 @@ class ExportGLTF2_Base:
def invoke(self, context, event):
settings = context.scene.get(self.scene_key)
self.will_save_settings = False
+ self.has_active_extenions = False
if settings:
try:
for (k, v) in settings.items():
@@ -344,6 +346,15 @@ class ExportGLTF2_Base:
self.report({"ERROR"}, "Loading export settings failed. Removed corrupted settings")
del context.scene[self.scene_key]
+ import sys
+ for addon_name in bpy.context.preferences.addons.keys():
+ try:
+ if hasattr(sys.modules[addon_name], 'glTF2ExportUserExtension'):
+ extension_panel_unregister_functors.append(sys.modules[addon_name].register_panel())
+ self.has_active_extenions = True
+ except Exception:
+ pass
+
return ExportHelper.invoke(self, context, event)
def save_settings(self, context):
@@ -438,6 +449,15 @@ class ExportGLTF2_Base:
export_settings['gltf_binaryfilename'] = os.path.splitext(os.path.basename(
bpy.path.ensure_ext(self.filepath,self.filename_ext)))[0] + '.bin'
+ user_extensions = []
+
+ import sys
+ for addon_name in bpy.context.preferences.addons.keys():
+ if hasattr(sys.modules[addon_name], 'glTF2ExportUserExtension'):
+ extension_ctor = sys.modules[addon_name].glTF2ExportUserExtension
+ user_extensions.append(extension_ctor())
+ export_settings['gltf_user_extensions'] = user_extensions
+
return gltf2_blender_export.save(context, export_settings)
@@ -734,6 +754,25 @@ class GLTF_PT_export_animation_skinning(bpy.types.Panel):
layout.active = operator.export_skins
layout.prop(operator, 'export_all_influences')
+class GLTF_PT_export_user_extensions(bpy.types.Panel):
+ bl_space_type = 'FILE_BROWSER'
+ bl_region_type = 'TOOL_PROPS'
+ bl_label = "Extensions"
+ bl_parent_id = "FILE_PT_operator"
+ bl_options = {'DEFAULT_CLOSED'}
+
+ @classmethod
+ def poll(cls, context):
+ sfile = context.space_data
+ operator = sfile.active_operator
+
+ return operator.bl_idname == "EXPORT_SCENE_OT_gltf" and operator.has_active_extenions
+
+ def draw(self, context):
+ layout = self.layout
+ layout.use_property_split = True
+ layout.use_property_decorate = False # No animation.
+
class ExportGLTF2(bpy.types.Operator, ExportGLTF2_Base, ExportHelper):
"""Export scene as glTF 2.0 file"""
@@ -859,6 +898,7 @@ classes = (
GLTF_PT_export_animation_export,
GLTF_PT_export_animation_shapekeys,
GLTF_PT_export_animation_skinning,
+ GLTF_PT_export_user_extensions,
ImportGLTF2
)
@@ -876,6 +916,10 @@ def register():
def unregister():
for c in classes:
bpy.utils.unregister_class(c)
+ for f in extension_panel_unregister_functors:
+ f()
+ extension_panel_unregister_functors.clear()
+
# bpy.utils.unregister_module(__name__)
# remove from the export / import menu
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
index fa0f9976db418081bed81dedb51619cb2cea8625..5fcd4ededf5c9787f69e7c9345eb69411946b3ec 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
@@ -20,6 +20,7 @@ from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
from io_scene_gltf2.blender.exp import gltf2_blender_gather_nodes
from io_scene_gltf2.blender.exp import gltf2_blender_gather_joints
from io_scene_gltf2.blender.exp import gltf2_blender_gather_skins
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
def gather_animation_channel_target(channels: typing.Tuple[bpy.types.FCurve],
@@ -29,13 +30,23 @@ def gather_animation_channel_target(channels: typing.Tuple[bpy.types.FCurve],
export_settings
) -> gltf2_io.AnimationChannelTarget:
- return gltf2_io.AnimationChannelTarget(
+ animation_channel_target = gltf2_io.AnimationChannelTarget(
extensions=__gather_extensions(channels, blender_object, export_settings, bake_bone),
extras=__gather_extras(channels, blender_object, export_settings, bake_bone),
node=__gather_node(channels, blender_object, export_settings, bake_bone),
path=__gather_path(channels, blender_object, export_settings, bake_bone, bake_channel)
)
+ export_user_extensions('gather_animation_channel_target_hook',
+ export_settings,
+ animation_channel_target,
+ channels,
+ blender_object,
+ bake_bone,
+ bake_channel)
+
+ return animation_channel_target
+
def __gather_extensions(channels: typing.Tuple[bpy.types.FCurve],
blender_object: bpy.types.Object,
export_settings,
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
index d217b217d058867253b955de780be26dfc7f047e..50918b68f0d58bee2c54e6f22e471ad4e83d9f51 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
@@ -23,6 +23,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_gather_animation_samplers
from io_scene_gltf2.blender.exp import gltf2_blender_gather_animation_channel_target
from io_scene_gltf2.blender.exp import gltf2_blender_get
from io_scene_gltf2.blender.exp import gltf2_blender_gather_skins
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -149,13 +150,26 @@ def __gather_animation_channel(channels: typing.Tuple[bpy.types.FCurve],
if not __filter_animation_channel(channels, blender_object, export_settings):
return None
- return gltf2_io.AnimationChannel(
+ animation_channel = gltf2_io.AnimationChannel(
extensions=__gather_extensions(channels, blender_object, export_settings, bake_bone),
extras=__gather_extras(channels, blender_object, export_settings, bake_bone),
sampler=__gather_sampler(channels, blender_object, export_settings, bake_bone, bake_channel, bake_range_start, bake_range_end, action_name),
target=__gather_target(channels, blender_object, export_settings, bake_bone, bake_channel)
)
+ export_user_extensions('gather_animation_channel_hook',
+ export_settings,
+ animation_channel,
+ channels,
+ blender_object,
+ bake_bone,
+ bake_channel,
+ bake_range_start,
+ bake_range_end,
+ action_name)
+
+ return animation_channel
+
def __filter_animation_channel(channels: typing.Tuple[bpy.types.FCurve],
blender_object: bpy.types.Object,
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
index 5d5d310cdcb7e496842b20cf1e15f50ecb5c42fc..cd237f35b235bd3eb3a1668e59db20daf200f2b8 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
@@ -27,6 +27,7 @@ from io_scene_gltf2.io.com import gltf2_io
from io_scene_gltf2.io.com import gltf2_io_constants
from io_scene_gltf2.io.exp import gltf2_io_binary_data
from . import gltf2_blender_export_keys
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -55,7 +56,7 @@ def gather_animation_sampler(channels: typing.Tuple[bpy.types.FCurve],
export_settings)
- return gltf2_io.AnimationSampler(
+ sampler = gltf2_io.AnimationSampler(
extensions=__gather_extensions(channels, blender_object_if_armature, export_settings, bake_bone, bake_channel),
extras=__gather_extras(channels, blender_object_if_armature, export_settings, bake_bone, bake_channel),
input=__gather_input(channels, blender_object_if_armature, non_keyed_values,
@@ -72,6 +73,19 @@ def gather_animation_sampler(channels: typing.Tuple[bpy.types.FCurve],
export_settings)
)
+ export_user_extensions('gather_animation_sampler_hook',
+ export_settings,
+ sampler,
+ channels,
+ blender_object,
+ bake_bone,
+ bake_channel,
+ bake_range_start,
+ bake_range_end,
+ action_name)
+
+ return sampler
+
def __gather_non_keyed_values(channels: typing.Tuple[bpy.types.FCurve],
blender_object: bpy.types.Object,
blender_object_if_armature: typing.Optional[bpy.types.Object],
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
index a2e903e58aa0871ea31af1b67b894745cad89d20..bf78dabdded7617c2d764122587d79b397f9508e 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
@@ -19,6 +19,7 @@ from io_scene_gltf2.io.com import gltf2_io
from io_scene_gltf2.blender.exp import gltf2_blender_gather_animation_channels
from io_scene_gltf2.io.com.gltf2_io_debug import print_console
from ..com.gltf2_blender_extras import generate_extras
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
def gather_animations(blender_object: bpy.types.Object,
@@ -108,6 +109,8 @@ def __gather_animation(blender_action: bpy.types.Action,
if not animation.channels:
return None
+ export_user_extensions('gather_animation_hook', export_settings, animation, blender_action, blender_object)
+
return animation
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
index 3cde0fcbaa15a16074bbc8b6707502299e0e8415..6075440c328b53d6b3d089366eca9f447a8a7aad 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
@@ -16,6 +16,7 @@ from . import gltf2_blender_export_keys
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
from ..com.gltf2_blender_extras import generate_extras
from io_scene_gltf2.io.com import gltf2_io
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
import bpy
import math
@@ -26,7 +27,7 @@ def gather_camera(blender_camera, export_settings):
if not __filter_camera(blender_camera, export_settings):
return None
- return gltf2_io.Camera(
+ camera = gltf2_io.Camera(
extensions=__gather_extensions(blender_camera, export_settings),
extras=__gather_extras(blender_camera, export_settings),
name=__gather_name(blender_camera, export_settings),
@@ -35,6 +36,10 @@ def gather_camera(blender_camera, export_settings):
type=__gather_type(blender_camera, export_settings)
)
+ export_user_extensions('gather_camera_hook', export_settings, camera, blender_camera)
+
+ return camera
+
def __filter_camera(blender_camera, export_settings):
return bool(__gather_type(blender_camera, export_settings))
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
index 9309eb642c6af726b56ddf2ac67a048d48d963f6..183da33e2ce3e27b11d117f20e0df304e5150bfc 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
@@ -26,6 +26,7 @@ from io_scene_gltf2.io.exp import gltf2_io_image_data
from io_scene_gltf2.io.com import gltf2_io_debug
from io_scene_gltf2.blender.exp import gltf2_blender_image
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -47,7 +48,7 @@ def gather_image(
uri = __gather_uri(image_data, mime_type, name, export_settings)
buffer_view = __gather_buffer_view(image_data, mime_type, name, export_settings)
- return __make_image(
+ image = __make_image(
buffer_view,
__gather_extensions(blender_shader_sockets_or_texture_slots, export_settings),
__gather_extras(blender_shader_sockets_or_texture_slots, export_settings),
@@ -57,6 +58,10 @@ def gather_image(
export_settings
)
+ export_user_extensions('gather_image_hook', export_settings, image, blender_shader_sockets_or_texture_slots)
+
+ return image
+
@cached
def __make_image(buffer_view, extensions, extras, mime_type, name, uri, export_settings):
return gltf2_io.Image(
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py
index ee948ff2ae6a5c965a750f9901f0b5879174e950..4a46814cb4ac59cb53d920baba9f67de5aede96a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py
@@ -21,6 +21,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_search_node_tree
from io_scene_gltf2.blender.exp import gltf2_blender_export_keys
from io_scene_gltf2.blender.exp import gltf2_blender_get
from io_scene_gltf2.io.com.gltf2_io_extensions import Extension
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -41,6 +42,11 @@ def gather_material_normal_texture_info_class(blender_shader_sockets_or_texture_
if texture_info.index is None:
return None
+ export_user_extensions('gather_material_normal_texture_info_class_hook',
+ export_settings,
+ texture_info,
+ blender_shader_sockets_or_texture_slots)
+
return texture_info
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py
index 4c4297ce960105d22353e6d07985ac53a8a8ed5f..da603bdf498d55576b4ccb0997daa09e32619ae7 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py
@@ -20,6 +20,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_gather_texture
from io_scene_gltf2.blender.exp import gltf2_blender_search_node_tree
from io_scene_gltf2.blender.exp import gltf2_blender_get
from io_scene_gltf2.io.com.gltf2_io_extensions import Extension
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -40,6 +41,11 @@ def gather_material_occlusion_texture_info_class(blender_shader_sockets_or_textu
if texture_info.index is None:
return None
+ export_user_extensions('gather_material_occlusion_texture_info_class_hook',
+ export_settings,
+ texture_info,
+ blender_shader_sockets_or_texture_slots)
+
return texture_info
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
index 9b9a9abee2408873463392b5d98eb2eae6719ea3..fceb46f1749092d6d8b6cf855d6c7937cc9d8488 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
@@ -25,6 +25,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_search_node_tree
from io_scene_gltf2.blender.exp import gltf2_blender_gather_materials_pbr_metallic_roughness
from ..com.gltf2_blender_extras import generate_extras
from io_scene_gltf2.blender.exp import gltf2_blender_get
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -55,6 +56,8 @@ def gather_material(blender_material, mesh_double_sided, export_settings):
pbr_metallic_roughness=__gather_pbr_metallic_roughness(blender_material, orm_texture, export_settings)
)
+ export_user_extensions('gather_material_hook', export_settings, material, blender_material)
+
return material
# material = blender_primitive['material']
#
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
index 04a0fcd171696c2295b5255297f73808a6a76a12..77c7fe55ad3226a9014f28c54573f8c11c765f34 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
@@ -20,6 +20,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_gather_texture_info, gltf2_
from io_scene_gltf2.blender.exp import gltf2_blender_get
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
from io_scene_gltf2.io.com.gltf2_io_debug import print_console
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -37,6 +38,8 @@ def gather_material_pbr_metallic_roughness(blender_material, orm_texture, export
roughness_factor=__gather_roughness_factor(blender_material, export_settings)
)
+ export_user_extensions('gather_material_pbr_metallic_roughness_hook', export_settings, material, blender_material, orm_texture)
+
return material
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
index 3af26ced607fef2fb2a31906162012bea8cf3352..50df1395e278499f2c26cb5a92e98f7a3156f047 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
@@ -20,6 +20,7 @@ from io_scene_gltf2.io.com import gltf2_io
from io_scene_gltf2.blender.exp import gltf2_blender_gather_primitives
from ..com.gltf2_blender_extras import generate_extras
from io_scene_gltf2.io.com.gltf2_io_debug import print_console
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -45,6 +46,17 @@ def gather_mesh(blender_mesh: bpy.types.Mesh,
if len(mesh.primitives) == 0:
print_console("WARNING", "Mesh '{}' has no primitives and will be omitted.".format(mesh.name))
return None
+
+ export_user_extensions('gather_mesh_hook',
+ export_settings,
+ mesh,
+ blender_mesh,
+ blender_object,
+ vertex_groups,
+ modifiers,
+ skip_filter,
+ material_names)
+
return mesh
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
index f19011802377eb9295dae6cde48212e33265fe1b..b30f6a0e36440dc3f85ea4da060a043d51f6bf4a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
@@ -28,6 +28,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_gather_lights
from ..com.gltf2_blender_extras import generate_extras
from io_scene_gltf2.io.com import gltf2_io
from io_scene_gltf2.io.com import gltf2_io_extensions
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
def gather_node(blender_object, blender_scene, export_settings):
@@ -86,6 +87,8 @@ def __gather_node(blender_object, blender_scene, export_settings):
node.children.append(correction_node)
node.camera = None
+ export_user_extensions('gather_node_hook', export_settings, node, blender_object)
+
return node
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
index 78fbc2823e6b8202468c184f054ff10000c24970..80b74e9cb4bb6164234bd61dc86739cd54a80b02 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
@@ -15,6 +15,7 @@
import bpy
from io_scene_gltf2.io.com import gltf2_io
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -22,7 +23,7 @@ def gather_sampler(blender_shader_node: bpy.types.Node, export_settings):
if not __filter_sampler(blender_shader_node, export_settings):
return None
- return gltf2_io.Sampler(
+ sampler = gltf2_io.Sampler(
extensions=__gather_extensions(blender_shader_node, export_settings),
extras=__gather_extras(blender_shader_node, export_settings),
mag_filter=__gather_mag_filter(blender_shader_node, export_settings),
@@ -32,6 +33,10 @@ def gather_sampler(blender_shader_node: bpy.types.Node, export_settings):
wrap_t=__gather_wrap_t(blender_shader_node, export_settings)
)
+ export_user_extensions('gather_sampler_hook', export_settings, sampler, blender_shader_node)
+
+ return sampler
+
def __filter_sampler(blender_shader_node, export_settings):
if not blender_shader_node.interpolation == 'Closest' and not blender_shader_node.extension == 'CLIP':
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
index 18503fddefe7d25b8b27409fe5d07da9bf8a77b5..1ee54b89d1e79d151464e13c95115cbe14c619c2 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
@@ -21,6 +21,7 @@ from io_scene_gltf2.io.com import gltf2_io_constants
from io_scene_gltf2.blender.exp import gltf2_blender_gather_accessors
from io_scene_gltf2.blender.exp import gltf2_blender_gather_joints
from io_scene_gltf2.blender.com import gltf2_blender_math
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -35,7 +36,7 @@ def gather_skin(blender_object, export_settings):
if not __filter_skin(blender_object, export_settings):
return None
- return gltf2_io.Skin(
+ skin = gltf2_io.Skin(
extensions=__gather_extensions(blender_object, export_settings),
extras=__gather_extras(blender_object, export_settings),
inverse_bind_matrices=__gather_inverse_bind_matrices(blender_object, export_settings),
@@ -44,6 +45,10 @@ def gather_skin(blender_object, export_settings):
skeleton=__gather_skeleton(blender_object, export_settings)
)
+ export_user_extensions('gather_skin_hook', export_settings, skin, blender_object)
+
+ return skin
+
def __filter_skin(blender_object, export_settings):
if not export_settings[gltf2_blender_export_keys.SKINS]:
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
index fbf8483ab0a861ea6b1033220d2fc2a93def3a60..b906413f868c2ab2480016931343cfb7229458dd 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
@@ -21,6 +21,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_gather_sampler
from io_scene_gltf2.blender.exp import gltf2_blender_search_node_tree
from io_scene_gltf2.blender.exp import gltf2_blender_gather_image
from io_scene_gltf2.io.com import gltf2_io_debug
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -51,6 +52,8 @@ def gather_texture(
if texture.source is None:
return None
+ export_user_extensions('gather_texture_hook', export_settings, texture, blender_shader_sockets_or_texture_slots)
+
return texture
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
index 124c8ba0404f7081fcc4938e8afa7074e8f102a0..66b9b4ebd7d0a081fa19163e6a7d8a1511ba893d 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
@@ -21,6 +21,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_search_node_tree
from io_scene_gltf2.blender.exp import gltf2_blender_get
from io_scene_gltf2.io.com.gltf2_io_debug import print_console
from io_scene_gltf2.io.com.gltf2_io_extensions import Extension
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
@cached
@@ -40,6 +41,8 @@ def gather_texture_info(blender_shader_sockets_or_texture_slots: typing.Union[
if texture_info.index is None:
return None
+ export_user_extensions('gather_texture_info_hook', export_settings, texture_info, blender_shader_sockets_or_texture_slots)
+
return texture_info
diff --git a/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py b/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
new file mode 100644
index 0000000000000000000000000000000000000000..f8f5e883802f1e36fa9cf10272080f45818dc7c8
--- /dev/null
+++ b/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
@@ -0,0 +1,23 @@
+# Copyright 2019 The glTF-Blender-IO authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+def export_user_extensions(hook_name, export_settings, gltf2_object, *args):
+ if gltf2_object.extensions is None:
+ gltf2_object.extensions = {}
+
+ for extension in export_settings['gltf_user_extensions']:
+ hook = getattr(extension, hook_name, None)
+ if hook is not None:
+ hook(gltf2_object, *args, export_settings)
+