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if fbx_lnk_type.props[0] == b'OP':
lnk_type = fbx_lnk_type.props[3]
ma_wrap = cycles_material_wrap_map[material]
# tx/rot/scale
tex_map = texture_mapping_get(fbx_lnk)
if (tex_map[0] == (0.0, 0.0, 0.0) and
tex_map[1] == (0.0, 0.0, 0.0) and
tex_map[2] == (1.0, 1.0, 1.0) and
tex_map[3] == (False, False)):
use_mapping = False
else:
use_mapping = True
tex_map_kw = {
"translation": tex_map[0],
"rotation": [-i for i in tex_map[1]],
"scale": [((1.0 / i) if i != 0.0 else 1.0) for i in tex_map[2]],
"clamp": tex_map[3],
"""
TODO for clamp:
# awkward conversion UV clamping to minmax
node_map.min = (0.0, 0.0, 0.0)
node_map.max = (1.0, 1.0, 1.0)
if clamp in {(False, False), (True, True)}:
node_map.use_min = node_map.use_max = clamp[0]
else:
node_map.use_min = node_map.use_max = True
# use bool as index
node_map.min[not clamp[0]] = -1000000000.0
node_map.max[not clamp[0]] = 1000000000.0
"""
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if lnk_type in {b'DiffuseColor', b'3dsMax|maps|texmap_diffuse'}:
ma_wrap.diffuse_image_set(image)
if use_mapping:
ma_wrap.diffuse_mapping_set(**tex_map_kw)
elif lnk_type == b'SpecularColor':
ma_wrap.specular_image_set(image)
if use_mapping:
ma_wrap.specular_mapping_set(**tex_map_kw)
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elif lnk_type in {b'ReflectionColor', b'3dsMax|maps|texmap_reflection'}:
ma_wrap.reflect_image_set(image)
if use_mapping:
ma_wrap.reflect_mapping_set(**tex_map_kw)
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elif lnk_type == b'TransparentColor': # alpha
ma_wrap.alpha_image_set(image)
if use_mapping:
ma_wrap.alpha_mapping_set(**tex_map_kw)
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if use_alpha_decals:
material_decals.add(material)
elif lnk_type == b'DiffuseFactor':
pass # TODO
elif lnk_type == b'ShininessExponent':
ma_wrap.hardness_image_set(image)
if use_mapping:
ma_wrap.hardness_mapping_set(**tex_map_kw)
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# XXX, applications abuse bump!
elif lnk_type in {b'NormalMap', b'Bump', b'3dsMax|maps|texmap_bump'}:
ma_wrap.normal_image_set(image)
ma_wrap.normal_factor_set(texture_bumpfac_get(fbx_obj))
if use_mapping:
ma_wrap.normal_mapping_set(**tex_map_kw)
"""
elif lnk_type == b'Bump':
ma_wrap.bump_image_set(image)
ma_wrap.bump_factor_set(texture_bumpfac_get(fbx_obj))
if use_mapping:
ma_wrap.bump_mapping_set(**tex_map_kw)
"""
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else:
print("WARNING: material link %r ignored" % lnk_type)
material_images.setdefault(material, {})[lnk_type] = (image, tex_map)
else:
if fbx_lnk_type.props[0] == b'OP':
lnk_type = fbx_lnk_type.props[3]
# tx/rot/scale (rot is ignored here!).
tex_map = texture_mapping_get(fbx_lnk)
mtex = material_mtex_new(material, image, tex_map)
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if lnk_type in {b'DiffuseColor', b'3dsMax|maps|texmap_diffuse'}:
mtex.use_map_color_diffuse = True
mtex.blend_type = 'MULTIPLY'
elif lnk_type == b'SpecularColor':
mtex.use_map_color_spec = True
mtex.blend_type = 'MULTIPLY'
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elif lnk_type in {b'ReflectionColor', b'3dsMax|maps|texmap_reflection'}:
mtex.use_map_raymir = True
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elif lnk_type == b'TransparentColor': # alpha
material.use_transparency = True
material.transparency_method = 'RAYTRACE'
material.alpha = 0.0
mtex.use_map_alpha = True
mtex.alpha_factor = 1.0
if use_alpha_decals:
material_decals.add(material)
elif lnk_type == b'DiffuseFactor':
mtex.use_map_diffuse = True
elif lnk_type == b'ShininessExponent':
mtex.use_map_hardness = True
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# XXX, applications abuse bump!
elif lnk_type in {b'NormalMap', b'Bump', b'3dsMax|maps|texmap_bump'}:
mtex.texture.use_normal_map = True # not ideal!
mtex.use_map_normal = True
mtex.normal_factor = texture_bumpfac_get(fbx_obj)
elif lnk_type == b'Bump':
mtex.use_map_normal = True
mtex.normal_factor = texture_bumpfac_get(fbx_obj)
else:
print("WARNING: material link %r ignored" % lnk_type)
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material_images.setdefault(material, {})[lnk_type] = (image, tex_map)
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# Check if the diffuse image has an alpha channel,
# if so, use the alpha channel.
# Note: this could be made optional since images may have alpha but be entirely opaque
for fbx_uuid, fbx_item in fbx_table_nodes.items():
fbx_obj, blen_data = fbx_item
if fbx_obj.id != b'Material':
continue
material = fbx_table_nodes.get(fbx_uuid, (None, None))[1]
image, tex_map = material_images.get(material, {}).get(b'DiffuseColor', (None, None))
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# do we have alpha?
if image and image.depth == 32:
if use_alpha_decals:
material_decals.add(material)
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if use_cycles:
ma_wrap = cycles_material_wrap_map[material]
if ma_wrap.node_bsdf_alpha.mute:
ma_wrap.alpha_image_set_from_diffuse()
else:
if not any((True for mtex in material.texture_slots if mtex and mtex.use_map_alpha)):
mtex = material_mtex_new(material, image, tex_map)
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material.use_transparency = True
material.transparency_method = 'RAYTRACE'
material.alpha = 0.0
mtex.use_map_alpha = True
mtex.alpha_factor = 1.0
# propagate mapping from diffuse to all other channels which have none defined.
if use_cycles:
ma_wrap = cycles_material_wrap_map[material]
ma_wrap.mapping_set_from_diffuse()
_(); del _
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perfmon.step("FBX import: Cycles z-offset workaround...")
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def _():
# Annoying workaround for cycles having no z-offset
if material_decals and use_alpha_decals:
for fbx_uuid, fbx_item in fbx_table_nodes.items():
fbx_obj, blen_data = fbx_item
if fbx_obj.id != b'Geometry':
continue
if fbx_obj.props[-1] == b'Mesh':
mesh = fbx_item[1]
if decal_offset != 0.0:
for material in mesh.materials:
if material in material_decals:
for v in mesh.vertices:
v.co += v.normal * decal_offset
break
if use_cycles:
for obj in (obj for obj in bpy.data.objects if obj.data == mesh):
obj.cycles_visibility.shadow = False
else:
for material in mesh.materials:
if material in material_decals:
# recieve but dont cast shadows
material.use_raytrace = False
_(); del _
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perfmon.level_down()
perfmon.level_down("Import finished.")
return {'FINISHED'}