def gather_material_pbr_metallic_roughness(blender_material, orm_texture, export_settings):
if not __filter_pbr_material(blender_material, export_settings):
return None, None
base_color_texture, use_active_uvmap_base_color_texture = __gather_base_color_texture(blender_material, export_settings)
metallic_roughness_texture, use_active_uvmap_metallic_roughness_texture = __gather_metallic_roughness_texture(blender_material, orm_texture, export_settings)
material = gltf2_io.MaterialPBRMetallicRoughness(
base_color_factor=__gather_base_color_factor(blender_material, export_settings),
base_color_texture=base_color_texture,
extensions=__gather_extensions(blender_material, export_settings),
extras=__gather_extras(blender_material, export_settings),
metallic_factor=__gather_metallic_factor(blender_material, export_settings),
metallic_roughness_texture=metallic_roughness_texture,
roughness_factor=__gather_roughness_factor(blender_material, export_settings)
)
# merge all use_active_uvmap infos
uvmap_actives = []
if use_active_uvmap_base_color_texture is True:
uvmap_actives.append("baseColorTexture")
if use_active_uvmap_metallic_roughness_texture is True:
uvmap_actives.append("metallicRoughnessTexture")
export_user_extensions('gather_material_pbr_metallic_roughness_hook', export_settings, material, blender_material, orm_texture)
return material, uvmap_actives
def __gather_material_unlit(blender_material, export_settings):
gltf2_unlit = gltf2_blender_gather_materials_unlit
info = gltf2_unlit.detect_shadeless_material(blender_material, export_settings)
if info is None:
return None
material = gltf2_io.Material(
alpha_cutoff=__gather_alpha_cutoff(blender_material, export_settings),
alpha_mode=__gather_alpha_mode(blender_material, export_settings),
double_sided=__gather_double_sided(blender_material, export_settings),
extensions={"KHR_materials_unlit": Extension("KHR_materials_unlit", {}, required=False)},
extras=__gather_extras(blender_material, export_settings),
name=__gather_name(blender_material, export_settings),
emissive_factor=None,
emissive_texture=None,
normal_texture=None,
occlusion_texture=None,
pbr_metallic_roughness=gltf2_io.MaterialPBRMetallicRoughness(
base_color_factor=gltf2_unlit.gather_base_color_factor(info, export_settings),
base_color_texture=gltf2_unlit.gather_base_color_texture(info, export_settings),
metallic_factor=0.0,
roughness_factor=0.9,
metallic_roughness_texture=None,
extensions=None,
extras=None,
)
)
export_user_extensions('gather_material_unlit_hook', export_settings, material, blender_material)
return material
def get_default_pbr_for_emissive_node():
return gltf2_io.MaterialPBRMetallicRoughness(
base_color_factor=[0.0, 0.0, 0.0, 1.0],
base_color_texture=None,
extensions=None,
extras=None,
metallic_factor=None,
metallic_roughness_texture=None,
roughness_factor=None)
def __gather_material_unlit(blender_material, active_uvmap_index,
export_settings):
gltf2_unlit = gltf2_blender_gather_materials_unlit
info = gltf2_unlit.detect_shadeless_material(blender_material,
export_settings)
if info is None:
return None
base_color_texture, use_active_uvmap = gltf2_unlit.gather_base_color_texture(
info, export_settings)
base_material = gltf2_io.Material(
alpha_cutoff=__gather_alpha_cutoff(blender_material, export_settings),
alpha_mode=__gather_alpha_mode(blender_material, export_settings),
double_sided=__gather_double_sided(blender_material, export_settings),
extensions={
"KHR_materials_unlit":
Extension("KHR_materials_unlit", {}, required=False)
},
extras=__gather_extras(blender_material, export_settings),
name=__gather_name(blender_material, export_settings),
emissive_factor=None,
emissive_texture=None,
normal_texture=None,
occlusion_texture=None,
pbr_metallic_roughness=gltf2_io.MaterialPBRMetallicRoughness(
base_color_factor=gltf2_unlit.gather_base_color_factor(
info, export_settings),
base_color_texture=base_color_texture,
metallic_factor=0.0,
roughness_factor=0.9,
metallic_roughness_texture=None,
extensions=None,
extras=None,
))
if use_active_uvmap is not None:
# Because some part of material are shared (eg pbr_metallic_roughness), we must copy the material
# Texture must be shared, but not TextureInfo
material = deepcopy(base_material)
__get_new_material_texture_shared(base_material, material)
material.pbr_metallic_roughness.base_color_texture.tex_coord = active_uvmap_index
elif use_active_uvmap is None and active_uvmap_index != -1:
# If material is not using active UVMap, we need to return the same material,
# Even if multiples meshes are using different active UVMap
material = gather_material(blender_material, -1, export_settings)
else:
material = base_material
export_user_extensions('gather_material_unlit_hook', export_settings,
material, blender_material)
return material
def gather_material_pbr_metallic_roughness(blender_material, orm_texture, export_settings):
if not __filter_pbr_material(blender_material, export_settings):
return None
material = gltf2_io.MaterialPBRMetallicRoughness(
base_color_factor=__gather_base_color_factor(blender_material, export_settings),
base_color_texture=__gather_base_color_texture(blender_material, export_settings),
extensions=__gather_extensions(blender_material, export_settings),
extras=__gather_extras(blender_material, export_settings),
metallic_factor=__gather_metallic_factor(blender_material, export_settings),
metallic_roughness_texture=__gather_metallic_roughness_texture(blender_material, orm_texture, export_settings),
roughness_factor=__gather_roughness_factor(blender_material, export_settings)
)
return material
