//-*****************************************************************************
void OWrapExisting()
{
Alembic::Abc::OArchive archive(
Alembic::AbcCoreHDF5::WriteArchive(),
"playground_owrap.abc"
);
Alembic::Abc::OObject archiveTop = archive.getTop();
Alembic::Util::shared_ptr< Alembic::Abc::OObject > objAPtr =
makeXform( archiveTop );
Alembic::Util::shared_ptr< Alembic::Abc::OObject > objBPtr =
subdCube( *objAPtr );
//
// NOW THE FUN BEGINS
//
TESTING_ASSERT( Alembic::AbcGeom::OSubD::matches( objBPtr->getHeader() ) );
{
Alembic::Util::shared_ptr< Alembic::AbcGeom::OSubD > subdObjPtr =
Alembic::Util::dynamic_pointer_cast< Alembic::AbcGeom::OSubD >
( objBPtr );
Alembic::AbcGeom::OSubD subdObj = *subdObjPtr;
std::cout << "wrapped-existing subd has "
<< subdObj.getSchema().getNumSamples() << " num samples."
<< std::endl;
std::vector<V3f> verts( 8, V3f(2.0, 2.0, 2.0 ) );
Alembic::AbcGeom::OSubDSchema::Sample sample;
sample.setPositions( Alembic::Abc::V3fArraySample( &(verts[0]),
verts.size() ) );
subdObj.getSchema().set( sample );
TESTING_ASSERT( subdObj.getSchema().getNumSamples() == 2 );
}
TESTING_ASSERT( Alembic::AbcGeom::OXform::matches( objAPtr->getHeader() ) );
{
XformOp transop( kTranslateOperation, kTranslateHint );
XformOp scaleop( kScaleOperation, kScaleHint );
XformSample samp;
samp.addOp( transop, V3d( 4.0, 5.0, 6.0 ) );
samp.addOp( scaleop, V3d( 8.0, 10.0, 12.0 ) );
Alembic::Util::shared_ptr< Alembic::AbcGeom::OXform > xformObjPtr =
Alembic::Util::dynamic_pointer_cast< Alembic::AbcGeom::OXform >
( objAPtr );
Alembic::AbcGeom::OXform xformObj = *xformObjPtr;
xformObj.getSchema().set( samp );
TESTING_ASSERT( xformObj.getSchema().getNumSamples() == 2 );
}
}
ALTransform::ALTransform(Alembic::AbcGeom::OXform &obj)
{
m_schema = obj.getSchema();
}
static void export_alembic_camera(AlembicArchive &archive, const RenderedBuffer & renderedBuffer, bool isUseEuler)
{
static const int cameraKey = 0xFFFFFF;
Alembic::AbcGeom::OObject topObj(*archive.archive, Alembic::AbcGeom::kTop);
Alembic::AbcGeom::OXform xform;
if (archive.xform_map.find(cameraKey) != archive.xform_map.end())
{
xform = archive.xform_map[cameraKey];
}
else
{
xform = Alembic::AbcGeom::OXform(topObj, "camera_xform", archive.timesampling);
archive.xform_map[cameraKey] = xform;
Alembic::AbcGeom::OXformSchema &xformSchema = xform.getSchema();
archive.xform_schema_map[cameraKey] = xformSchema;
}
// set camera transform
{
Alembic::AbcGeom::OXformSchema &xformSchema = archive.xform_schema_map[cameraKey];
xformSchema.setTimeSampling(archive.timesampling);
Alembic::AbcGeom::XformSample xformSample;
D3DXMATRIX convertMat(
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, -1, 0,
0, 0, 0, 1);
D3DXMATRIX convertedWordInv;
::D3DXMatrixMultiply(&convertedWordInv, &renderedBuffer.world_inv, &convertMat);
D3DXVECTOR3 eye;
{
D3DXVECTOR3 v;
UMGetCameraEye(&v);
d3d_vector3_transform(eye, v,convertedWordInv);
}
D3DXVECTOR3 at;
{
D3DXVECTOR3 v;
UMGetCameraAt(&v);
d3d_vector3_transform(at, v, convertedWordInv);
}
D3DXVECTOR3 up;
{
D3DXVECTOR3 v;
UMGetCameraUp(&v);
d3d_vector3_dir_transform(up, v, convertedWordInv);
::D3DXVec3Normalize(&up, &up);
}
Imath::V3d trans((double)eye.x, (double)eye.y, (double)(eye.z));
xformSample.setTranslation(trans);
D3DXMATRIX view;
::D3DXMatrixLookAtLH(&view, &eye, &at, &up);
Imath::M44d rot(
-view.m[0][0], view.m[0][1], view.m[0][2], 0,
-view.m[1][0], view.m[1][1], view.m[1][2], 0,
view.m[2][0], -view.m[2][1], -view.m[2][2], 0,
0, 0, 0, 1);
Imath::Quatd quat = Imath::extractQuat(rot);
quat.normalize();
if (isUseEuler)
{
Imath::V3d imeuler;
quatToEuler(imeuler, quat);
//UMMat44d umrot(
// -view.m[0][0], view.m[0][1], view.m[0][2], 0,
// -view.m[1][0], view.m[1][1], view.m[1][2], 0,
// view.m[2][0], -view.m[2][1], -view.m[2][2], 0,
// 0, 0, 0, 1);
//UMVec3d umeuler = umbase::um_matrix_to_euler_xyz(umrot.transposed());
xformSample.setXRotation(umbase::um_to_degree(imeuler.y));
xformSample.setYRotation(umbase::um_to_degree(imeuler.x));
xformSample.setZRotation(-umbase::um_to_degree(imeuler.z));
}
else
{
xformSample.setRotation(quat.axis(), umbase::um_to_degree(quat.angle()));
}
xformSchema.set(xformSample);
}
Alembic::AbcGeom::OCamera camera;
if (archive.camera_map.find(cameraKey) != archive.camera_map.end())
{
camera = archive.camera_map[cameraKey];
}
else
{
camera = Alembic::AbcGeom::OCamera(xform, "camera", archive.timesampling);
archive.camera_map[cameraKey] = camera;
Alembic::AbcGeom::OCameraSchema &cameraSchema = camera.getSchema();
archive.camera_schema_map[cameraKey] = cameraSchema;
}
Alembic::AbcGeom::OCameraSchema &cameraSchema = archive.camera_schema_map[cameraKey];
cameraSchema.setTimeSampling(archive.timesampling);
Alembic::AbcGeom::CameraSample sample;
D3DXVECTOR4 v;
UMGetCameraFovLH(&v);
sample.setNearClippingPlane(v.z);
sample.setFarClippingPlane(v.w);
double fovy = v.x;
double aspect = v.y;
double fovx = 2.0 * atan(tan(fovy / 2.0)*(aspect));
double w = BridgeParameter::instance().frame_width / 10.0;
double h = BridgeParameter::instance().frame_height / 10.0;
double focalLength = w / (2.0 * tan(fovx / 2.0));
sample.setHorizontalAperture(w / 10.0);
sample.setVerticalAperture(h / 10.0);
sample.setFocalLength(focalLength);
cameraSchema.set(sample);
}
