367 lines
10 KiB
C++
367 lines
10 KiB
C++
//-*****************************************************************************
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//
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// Copyright (c) 2009-2013,
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// Sony Pictures Imageworks Inc. and
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// Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Sony Pictures Imageworks, nor
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// Industrial Light & Magic, nor the names of their contributors may be used
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// to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//-*****************************************************************************
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#include <iostream>
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#include <set>
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#include <ri.h>
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#include <Alembic/AbcGeom/All.h>
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#include <Alembic/AbcCoreHDF5/All.h>
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#include <Alembic/AbcCoreOgawa/All.h>
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#include <Alembic/AbcCoreFactory/All.h>
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#include "ProcArgs.h"
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#include "PathUtil.h"
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#include "WriteGeo.h"
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#ifdef PRMAN_USE_ABCMATERIAL
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#include "WriteMaterial.h"
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#endif
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#include <memory>
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using namespace Alembic::AbcGeom;
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//-*****************************************************************************
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class AttributeBlockHelper
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{
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public:
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AttributeBlockHelper( const ObjectHeader &ohead )
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{
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RiAttributeBegin();
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WriteIdentifier( ohead );
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}
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~AttributeBlockHelper()
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{
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RiAttributeEnd();
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}
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};
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typedef std::auto_ptr<AttributeBlockHelper> AttributeBlockHelperAutoPtr;
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//-*****************************************************************************
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void WalkObject( IObject parent, const ObjectHeader &ohead, ProcArgs &args,
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PathList::const_iterator I, PathList::const_iterator E,
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bool visible=true)
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{
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// Only add an enclosing AttributeBegin/name/AttributeEnd if we're
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// not excluding xforms. If we're not adding it here, we're adding for
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// the individual primitives.
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AttributeBlockHelperAutoPtr blockHelper;
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if ( !args.excludeXform )
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{
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blockHelper.reset( new AttributeBlockHelper( ohead ) );
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}
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//set this if we should continue traversing
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IObject nextParentObject;
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//construct the baseObject first so that we can perform visibility
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//testing on it.
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IObject baseObject( parent, ohead.getName() );
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switch( GetVisibility(baseObject,
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ISampleSelector(args.frame / args.fps ) ) )
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{
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case kVisibilityVisible:
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visible = true;
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break;
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case kVisibilityHidden:
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visible = false;
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break;
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default:
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break;
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}
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if ( IXform::matches( ohead ) )
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{
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if ( args.excludeXform )
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{
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nextParentObject = IObject( parent, ohead.getName() );
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}
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else
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{
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IXform xform( baseObject, kWrapExisting );
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ProcessXform( xform, args );
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nextParentObject = xform;
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ApplyResources( nextParentObject, args );
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#ifdef PRMAN_USE_ABCMATERIAL
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ApplyObjectMaterial(nextParentObject, args );
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#endif
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}
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}
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else if ( ISubD::matches( ohead ) )
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{
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if ( !blockHelper.get() )
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{
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blockHelper.reset( new AttributeBlockHelper( ohead ) );
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}
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std::string faceSetName;
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ISubD subd( baseObject, kWrapExisting );
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//if we haven't reached the end of a specified -objectpath,
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//check to see if the next token is a faceset name.
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//If it is, send the name to ProcessSubD for addition of
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//"hole" tags for the non-matching faces
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if ( I != E )
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{
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if ( subd.getSchema().hasFaceSet( *I ) )
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{
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faceSetName = *I;
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}
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}
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ApplyResources( subd, args );
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#ifdef PRMAN_USE_ABCMATERIAL
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ApplyObjectMaterial(subd, args );
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#endif
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if ( visible )
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{
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ProcessSubD( subd, args, faceSetName );
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}
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//if we found a matching faceset, don't traverse below
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if ( faceSetName.empty() )
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{
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nextParentObject = subd;
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}
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}
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else if ( IPolyMesh::matches( ohead ) )
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{
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if ( !blockHelper.get() )
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{
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blockHelper.reset( new AttributeBlockHelper( ohead ) );
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}
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IPolyMesh polymesh( baseObject, kWrapExisting );
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ApplyResources( polymesh, args );
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#ifdef PRMAN_USE_ABCMATERIAL
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ApplyObjectMaterial(polymesh, args );
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#endif
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if ( visible )
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{
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ProcessPolyMesh( polymesh, args );
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}
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nextParentObject = polymesh;
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}
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else if ( INuPatch::matches( ohead ) )
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{
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if ( !blockHelper.get() )
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{
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blockHelper.reset( new AttributeBlockHelper( ohead ) );
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}
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INuPatch patch( baseObject, kWrapExisting );
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ApplyResources( patch, args );
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#ifdef PRMAN_USE_ABCMATERIAL
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ApplyObjectMaterial(patch, args );
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#endif
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if ( visible )
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{
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ProcessNuPatch( patch, args );
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}
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nextParentObject = patch;
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}
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else if ( IPoints::matches( ohead ) )
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{
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if ( !blockHelper.get() )
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{
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blockHelper.reset( new AttributeBlockHelper( ohead ) );
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}
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IPoints points( baseObject, kWrapExisting );
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#ifdef PRMAN_USE_ABCMATERIAL
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ApplyObjectMaterial(points, args );
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#endif
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ApplyResources( points, args );
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if ( visible )
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{
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ProcessPoints( points, args );
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}
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nextParentObject = points;
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}
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else if ( ICurves::matches( ohead ) )
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{
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if ( !blockHelper.get() )
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{
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blockHelper.reset( new AttributeBlockHelper( ohead ) );
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}
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ICurves curves( baseObject, kWrapExisting );
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ApplyResources( curves, args );
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#ifdef PRMAN_USE_ABCMATERIAL
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ApplyObjectMaterial( curves, args );
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#endif
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if ( visible )
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{
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ProcessCurves( curves, args );
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}
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nextParentObject = curves;
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}
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else if ( IFaceSet::matches( ohead ) )
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{
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//don't complain about discovering a faceset upon traversal
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}
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else
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{
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//Don't complain but don't walk beneath other types
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}
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if ( nextParentObject.valid() )
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{
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if ( I == E )
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{
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for ( size_t i = 0; i < nextParentObject.getNumChildren() ; ++i )
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{
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WalkObject( nextParentObject,
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nextParentObject.getChildHeader( i ),
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args, I, E, visible);
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}
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}
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else
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{
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const ObjectHeader *nextChildHeader =
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nextParentObject.getChildHeader( *I );
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if ( nextChildHeader != NULL )
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{
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WalkObject( nextParentObject, *nextChildHeader, args, I+1, E,
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visible);
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}
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}
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}
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// RiAttributeEnd will be called by blockHelper falling out of scope
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// if set.
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}
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//-*****************************************************************************
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extern "C" ALEMBIC_EXPORT RtPointer
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ConvertParameters( RtString paramstr )
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{
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try
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{
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return (RtPointer) new ProcArgs(paramstr);
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}
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catch (const std::exception & e)
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{
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std::cerr << "Exception thrown during ProcMain ConvertParameters: ";
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std::cerr << "\"" << paramstr << "\"";
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std::cerr << " " << e.what() << std::endl;
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return 0;
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}
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}
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//-*****************************************************************************
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extern "C" ALEMBIC_EXPORT RtVoid
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Free( RtPointer data )
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{
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delete reinterpret_cast<ProcArgs*>( data );
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}
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//-*****************************************************************************
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extern "C" ALEMBIC_EXPORT RtVoid
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Subdivide( RtPointer data, RtFloat detail )
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{
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ProcArgs *args = reinterpret_cast<ProcArgs*>( data );
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if ( !args )
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{
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return;
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}
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if ( args->filename.empty() )
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{
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return;
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}
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try
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{
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::Alembic::AbcCoreFactory::IFactory factory;
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IArchive archive = factory.getArchive( args->filename );
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IObject root = archive.getTop();
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PathList path;
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TokenizePath( args->objectpath, path );
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if ( path.empty() ) //walk the entire scene
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{
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for ( size_t i = 0; i < root.getNumChildren(); ++i )
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{
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WalkObject( root, root.getChildHeader(i), *args,
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path.end(), path.end() );
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}
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}
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else //walk to a location + its children
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{
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PathList::const_iterator I = path.begin();
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const ObjectHeader *nextChildHeader =
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root.getChildHeader( *I );
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if ( nextChildHeader != NULL )
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{
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WalkObject( root, *nextChildHeader, *args, I+1, path.end() );
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}
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}
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}
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catch ( const std::exception &e )
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{
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std::cerr << "exception thrown during ProcMain Subdivide: "
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<< e.what() << std::endl;
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}
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}
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