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IPolyMeshDrw.cpp
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IPolyMeshDrw.cpp
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//-*****************************************************************************
//
// Copyright (c) 2009-2011,
// 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.
//
//-*****************************************************************************
#include "IPolyMeshDrw.h"
#include <Alembic/AbcGeom/Visibility.h>
namespace SimpleAbcViewer {
//-*****************************************************************************
IPolyMeshDrw::IPolyMeshDrw( IPolyMesh &iPmesh, std::vector<std::string> path )
: IObjectDrw( iPmesh, false, path )
, m_polyMesh( iPmesh )
{
// Get out if problems.
if ( !m_polyMesh.valid() )
{
return;
}
if ( m_polyMesh.getSchema().getNumSamples() > 0 )
{
m_polyMesh.getSchema().get( m_samp );
}
m_boundsProp = m_polyMesh.getSchema().getSelfBoundsProperty();
// The object has already set up the min time and max time of
// all the children.
// if we have a non-constant time sampling, we should get times
// out of it.
TimeSamplingPtr iTsmp = m_polyMesh.getSchema().getTimeSampling();
if ( !m_polyMesh.getSchema().isConstant() )
{
size_t numSamps = m_polyMesh.getSchema().getNumSamples();
if ( numSamps > 0 )
{
chrono_t minTime = iTsmp->getSampleTime( 0 );
m_minTime = std::min( m_minTime, minTime );
chrono_t maxTime = iTsmp->getSampleTime( numSamps-1 );
m_maxTime = std::max( m_maxTime, maxTime );
}
}
m_drwHelper.setName(m_object.getFullName());
}
//-*****************************************************************************
IPolyMeshDrw::~IPolyMeshDrw()
{
// Nothing!
}
//-*****************************************************************************
bool IPolyMeshDrw::valid()
{
return IObjectDrw::valid() && m_polyMesh.valid();
}
//-*****************************************************************************
void IPolyMeshDrw::setTime( chrono_t iSeconds )
{
IObjectDrw::setTime( iSeconds );
if ( !valid() )
{
m_drwHelper.makeInvalid();
return;
}
// Use nearest for now.
ISampleSelector ss( iSeconds, ISampleSelector::kNearIndex );
IPolyMeshSchema::Sample psamp;
if ( m_polyMesh.getSchema().isConstant() )
{
psamp = m_samp;
}
else if ( m_polyMesh.getSchema().getNumSamples() > 0 )
{
m_polyMesh.getSchema().get( psamp, ss );
}
// Get the stuff.
P3fArraySamplePtr P = psamp.getPositions();
Int32ArraySamplePtr indices = psamp.getFaceIndices();
Int32ArraySamplePtr counts = psamp.getFaceCounts();
Box3d bounds;
bounds.makeEmpty();
if ( m_boundsProp && m_boundsProp.getNumSamples() > 0 )
{
bounds = m_boundsProp.getValue( ss );
}
// Update the mesh hoo-ha.
m_drwHelper.update( P, V3fArraySamplePtr(),
indices, counts, bounds );
// The Object update computed child bounds.
// Extend them by this.
if ( !m_drwHelper.getBounds().isEmpty() )
{
m_bounds.extendBy( m_drwHelper.getBounds() );
}
}
//-*****************************************************************************
void IPolyMeshDrw::draw( const DrawContext &iCtx )
{
if ( !valid() || !m_visible)
{
return;
}
// std::cout << "bb_alembicArchiveShapeUI::draw -> IPolyMeshDrw:" << m_drwHelper.getName() << std::endl;
m_drwHelper.draw( iCtx );
IObjectDrw::draw( iCtx );
}
} // End namespace SimpleAbcViewer