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UnrealEngine/Engine/Source/ThirdParty/Alembic/alembic-1.8.7/python/PyAlembic/Tests/testMaterial.py
2025-05-18 13:04:45 +08:00

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Python

#-******************************************************************************
#
# Copyright (c) 2012,
# Sony Pictures Imageworks Inc. and
# Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Sony Pictures Imageworks, nor
# Industrial Light & Magic, nor the names of their contributors may be used
# to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#-******************************************************************************
import unittest
from imath import *
from alembic.AbcCoreAbstract import *
from alembic.Abc import *
from alembic.AbcGeom import *
from alembic.AbcMaterial import *
kFacevaryingScope = GeometryScope.kFacevaryingScope
class CameraTest(unittest.TestCase):
def testMaterialExport(self):
"""write an oarchive with a material in it"""
materials = OObject( OArchive( 'material.abc' ).getTop() , 'materials' )
matObj = OMaterial( materials, "material1" )
mat = matObj.getSchema()
self.assertTrue(materials.valid())
self.assertTrue(materials)
self.assertTrue(matObj)
self.assertTrue(matObj.valid())
self.assertTrue(mat)
self.assertTrue(mat.valid())
mat.setShader( 'prman', 'surface', 'paintedplastic' )
mat.setShader( 'prman', 'displacement', 'knobby' )
mat.setShader( 'arnold', 'surface', 'paintedplastic' )
prop = OFloatProperty(
mat.getShaderParameters( 'prman', 'surface' ), 'Kd' )
prop.setValue( 0.5 )
prop = OStringProperty(
mat.getShaderParameters( 'prman', 'surface' ), 'texname' )
prop.setValue( 'taco' )
def testMaterialImport(self):
"""read an iarchive with a material in it"""
materials = IObject( IArchive( 'material.abc' ).getTop() , 'materials' )
matObj = IMaterial( materials, "material1" )
mat = matObj.getSchema()
self.assertTrue(materials.valid())
self.assertTrue(matObj.valid())
self.assertTrue(mat.valid())
self.assertTrue(materials)
self.assertTrue(matObj)
self.assertTrue(mat)
targetNames = mat.getTargetNames()
self.assertEqual(len( targetNames ), 2)
self.assertTrue( ( targetNames[0] == 'arnold' and targetNames[1] == 'prman' ) or
( targetNames[1] == 'arnold' and targetNames[0] == 'prman' ) )
for targetName in targetNames:
shaderTypeNames = mat.getShaderTypesForTarget( targetName )
if targetName == 'prman' :
self.assertEqual(len( shaderTypeNames ), 2)
self.assertTrue( ( shaderTypeNames[0] == 'surface' and
shaderTypeNames[1] == 'displacement' ) or
( shaderTypeNames[1] == 'surface' and
shaderTypeNames[0] == 'displacement' ) )
else :
self.assertEqual(targetName, 'arnold')
self.assertTrue(len( shaderTypeNames ) == 1 and shaderTypeNames[0])
for shaderTypeName in shaderTypeNames:
shaderName = mat.getShader( targetName, shaderTypeName )
if targetName == 'prman' and shaderTypeName == 'surface':
self.assertEqual(shaderName, 'paintedplastic')
elif targetName == 'prman' and shaderTypeName == 'displacement':
self.assertEqual(shaderName, 'knobby')
elif targetName == 'arnold' and shaderTypeName == 'surface':
self.assertEqual(shaderName, 'paintedplastic')
params = mat.getShaderParameters( targetName, shaderTypeName )
if params.valid():
self.assertEqual(targetName, 'prman')
self.assertEqual(shaderTypeName, 'surface')
for i in range(0, params.getNumProperties()):
propHeader = params.getPropertyHeader( i )
if propHeader.isScalar():
if IStringProperty.matches( propHeader ):
prop = IStringProperty( params,
propHeader.getName() )
self.assertEqual(propHeader.getName(), 'texname')
self.assertEqual(prop.getValue(), 'taco' )
elif IFloatProperty.matches( propHeader ):
prop = IFloatProperty( params,
propHeader.getName() )
self.assertEqual( propHeader.getName(), 'Kd')
self.assertEqual( prop.getValue(), 0.5 )