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Export GLTF instead of FBX, and use GLTF settings. #86

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Export GLTF instead of FBX, and use GLTF settings. #86

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78ceb06
Export GLTF instead of FBX, and use GLTF settings.
Nightriff May 28, 2025
57619a1
AddonPreferences now depend on UILayout.panel which was added in Blen…
Nightriff May 28, 2025
800df2d
export_vertex_color wasn't available in export_scene.gltf until Blend…
Nightriff May 28, 2025
c36f884
export_sampling_interpolation_fallback wasn't available in export_sce…
Nightriff May 28, 2025
eae590b
Accidentally removed helpful comment in refactor
Nightriff May 28, 2025
78423d6
Dynamic head creation uses custom properties
Nightriff May 28, 2025
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127 changes: 24 additions & 103 deletions __init__.py
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
# Copyright © 2023 Roblox Corporation

# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
# associated documentation files (the “Software”), to deal in the Software without restriction,
# associated documentation files (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do
# so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all copies or substantial
# portions of the Software.

# THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
Expand Down Expand Up @@ -53,25 +53,31 @@
importlib.reload(creator_details)
if "RBX_OT_install_dependencies" in locals():
importlib.reload(RBX_OT_install_dependencies)
if "export_properties" in locals():
importlib.reload(export_properties)
if "export_panel_transform" in locals():
importlib.reload(export_panel_transform)
if "export_panel_data" in locals():
importlib.reload(export_panel_data)
if "export_panel_animation" in locals():
importlib.reload(export_panel_animation)
if "GltfExportPreferences" in locals():
importlib.reload(GltfExportPreferences)
if "GLTF2_filter_action" in locals():
importlib.reload(GLTF2_filter_action)

import bpy
from bpy.app.handlers import persistent
from bpy.types import Panel, AddonPreferences
from bpy.props import (
StringProperty,
PointerProperty,
FloatProperty,
IntProperty,
BoolProperty,
)
from bpy.types import Panel
from bpy.props import StringProperty, PointerProperty, IntProperty

import traceback

bl_info = {
"name": "Upload to Roblox",
"author": "Roblox",
"description": "Uses Roblox's Open Cloud API to upload selected assets from Blender to Roblox",
"blender": (3, 2, 0),
"blender": (4, 4, 0),
"version": (0, 0, 0), # Gets updated by Github Actions. See README for info
"location": "View3D",
"warning": "",
Expand All @@ -83,7 +89,10 @@
is_blender_version_supported = bpy.app.version >= required_version


class RbxAddonPreferences(AddonPreferences):
from gltf_export_preferences import GltfExportPreferences


class RbxAddonPreferences(GltfExportPreferences):
"""AddOnPreferences that are serialized between Blender sessions"""

bl_idname = __name__
Expand All @@ -93,98 +102,8 @@ class RbxAddonPreferences(AddonPreferences):
refresh_token: StringProperty()
selected_creator_enum_index: IntProperty()

# export_scale is configurable via the Add-on preferences menu in Blender
from .lib import constants

export_scale: FloatProperty(
name="Export Scale",
default=constants.DEFAULT_EXPORT_SCALE,
soft_max=1000,
soft_min=0.001,
step=0.01,
description=f"Global scale applied to objects during export for upload.\nDEFAULT: {constants.DEFAULT_EXPORT_SCALE} (Blender Meters are 100:1 to Studio Studs)",
)
bake_anim: BoolProperty(
name="Baked Animation",
description="Export baked keyframe animation",
default=True,
)
bake_anim_use_all_bones: BoolProperty(
name="Key All Bones",
description="Force exporting at least one key of animation for all bones "
"(needed with some target applications, like UE4)",
default=True,
)
bake_anim_use_nla_strips: BoolProperty(
name="NLA Strips",
description="Export each non-muted NLA strip as a separated FBX's AnimStack, if any, "
"instead of global scene animation",
default=True,
)
bake_anim_use_all_actions: BoolProperty(
name="All Actions",
description="Export each action as a separated FBX's AnimStack, instead of global scene animation "
"(note that animated objects will get all actions compatible with them, "
"others will get no animation at all)",
default=True,
)
bake_anim_force_startend_keying: BoolProperty(
name="Force Start/End Keying",
description="Always add a keyframe at start and end of actions for animated channels",
default=True,
)
bake_anim_step: FloatProperty(
name="Sampling Rate",
description="How often to evaluate animated values (in frames)",
min=0.01,
max=100.0,
soft_min=0.1,
soft_max=10.0,
default=1.0,
)
bake_anim_simplify_factor: FloatProperty(
name="Simplify",
description="How much to simplify baked values (0.0 to disable, the higher the more simplified)",
min=0.0,
max=100.0, # No simplification to up to 10% of current magnitude tolerance.
soft_min=0.0,
soft_max=10.0,
default=1.0, # default: min slope: 0.005, max frame step: 10.
)
add_leaf_bones: BoolProperty(
name="Add Leaf Bones",
description="Append a final bone to the end of each chain to specify last bone length (use this when you intend to edit the armature from exported data)",
default=True,
)
use_custom_props: BoolProperty(
name="Custom Properties",
description="Export Custom Properties",
default=True,
)

def draw(self, context):
self.layout.label(text="Include")
include_box = self.layout.box()
include_box.prop(self, "use_custom_props")

self.layout.label(text="Transform")
transform_box = self.layout.box()
transform_box.prop(self, "export_scale")

self.layout.label(text="Armature")
armature_box = self.layout.box()
armature_box.prop(self, "add_leaf_bones")

self.layout.prop(self, "bake_anim", text="Bake Animation")
bake_anim_box = self.layout.box()
bake_anim_box.use_property_split = True
bake_anim_box.enabled = self.bake_anim
bake_anim_box.prop(self, "bake_anim_use_all_bones")
bake_anim_box.prop(self, "bake_anim_use_nla_strips")
bake_anim_box.prop(self, "bake_anim_use_all_actions")
bake_anim_box.prop(self, "bake_anim_force_startend_keying")
bake_anim_box.prop(self, "bake_anim_step")
bake_anim_box.prop(self, "bake_anim_simplify_factor")
GltfExportPreferences.draw(self, context)


class RBX_PT_sidebar:
Expand Down Expand Up @@ -329,6 +248,7 @@ def get_classes():
)
from .lib.install_dependencies import RBX_OT_install_dependencies
from .lib.upload_operator import RBX_OT_upload
from gltf_export_preferences import GLTF2_filter_action

return (
event_loop.RBX_OT_event_loop,
Expand All @@ -343,6 +263,7 @@ def get_classes():
RBX_PT_upload,
roblox_properties.RbxStatusProperties,
roblox_properties.RbxProperties,
GLTF2_filter_action,
RbxAddonPreferences,
)

Expand Down
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