From Andrew Lorino and Mike Weiblen, COLLADA 1.4.1 ReaderWriter, kindly developed and donated by Sony Computer Entertainment Inc. US R&D.
This commit is contained in:
Robert Osfield
281
src/osgPlugins/dae/daeReader.cpp
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281
src/osgPlugins/dae/daeReader.cpp
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/*
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* Copyright 2006 Sony Computer Entertainment Inc.
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*
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* Licensed under the SCEA Shared Source License, Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy of the License at:
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* http://research.scea.com/scea_shared_source_license.html
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing permissions and limitations under the
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* License.
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*/
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#include "daeReader.h"
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#include <dae.h>
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#include <dom/domCOLLADA.h>
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#include <dom/domInstanceWithExtra.h>
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using namespace osgdae;
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daeReader::daeReader()
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{
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dae = new DAE;
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m_numlights = 0;
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currentEffect = NULL;
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}
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daeReader::~daeReader()
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{
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if ( dae )
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{
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delete dae;
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DAE::cleanup();
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dae = NULL;
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}
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}
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bool daeReader::convert( const std::string &fileURI )
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{
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std::string fURI;
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if ( fileURI[1] == ':' )
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{
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fURI = "/" + fileURI;
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}
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else
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{
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fURI = fileURI;
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}
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if( dae->load( fURI.c_str() ) != DAE_OK )
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{
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osg::notify( osg::WARN ) << "Load failed in COLLADA DOM" << std::endl;
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return false;
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}
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osg::notify( osg::INFO ) << "URI loaded: " << fURI << std::endl;
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domCOLLADA* document = dae->getDom( fURI.c_str() );
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if ( !document->getScene() || !document->getScene()->getInstance_visual_scene() )
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{
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osg::notify( osg::WARN ) << "No scene found!" << std::endl;
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return false;
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}
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domInstanceWithExtra *ivs = document->getScene()->getInstance_visual_scene();
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domVisual_scene *vs = daeSafeCast< domVisual_scene >( getElementFromURI( ivs->getUrl() ) );
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if ( vs == NULL )
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{
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osg::notify( osg::WARN ) << "Unable to locate visual scene!" << std::endl;
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return false;
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}
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rootNode = processVisualScene( vs );
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delete dae;
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DAE::cleanup();
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dae = NULL;
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return true;
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}
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osg::Node* daeReader::processVisualScene( domVisual_scene *scene )
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{
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osg::Node *retVal;
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//### do not add an empty group if there is only one
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unsigned int nbVisualSceneGroup=scene->getNode_array().getCount();
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if (nbVisualSceneGroup==0)
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{
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osg::notify( osg::WARN ) << "No visual scene group found !" << std::endl;
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retVal = new osg::Group();
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retVal->setName("Empty Collada scene");
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}
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else if (nbVisualSceneGroup==1)
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{
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osg::Node *node = processNode( scene->getNode_array()[0] );
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if ( node != NULL )
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retVal = node;
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else
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{
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retVal = new osg::Group();
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retVal->setName("Empty Collada scene (import failure)");
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}
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}
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else
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{
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retVal = new osg::Group();
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retVal->setName("Collada visual scene group");
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for ( size_t i = 0; i < scene->getNode_array().getCount(); i++ )
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{
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osg::Node *node = processNode( scene->getNode_array()[i] );
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if ( node != NULL )
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{
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retVal->asGroup()->addChild( node );
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}
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}
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}
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return retVal;
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}
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osg::Node* daeReader::processNode( domNode *node )
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{
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osg::Node *retVal = new osg::Group();
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osg::Node *current = retVal;
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size_t count = node->getContents().getCount();
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for ( size_t i = 0; i < count; i++ )
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{
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osg::Node *trans = NULL;
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//I'm using daeSafeCast to check type because the pointer comparisons are a lot faster
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//than a strcmp
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//TODO: I am doing transforms wrong. A Transform is itself a group node. They need to be
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//consolodated and then the children of the collada node need to be the children of the
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//transform node.
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domTranslate * t = daeSafeCast< domTranslate >( node->getContents()[i] );
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if ( t != NULL )
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{
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trans = processTranslate( t );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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current = trans;
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}
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continue;
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}
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domRotate * r = daeSafeCast< domRotate >( node->getContents()[i] );
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if ( r != NULL ) {
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trans = processRotate( r );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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current = trans;
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}
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continue;
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}
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domScale * s = daeSafeCast< domScale >( node->getContents()[i] );
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if ( s != NULL ) {
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trans = processScale( s );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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current = trans;
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}
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continue;
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}
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domMatrix * m = daeSafeCast< domMatrix >( node->getContents()[i] );
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if ( m != NULL ) {
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trans = processMatrix( m );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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current = trans;
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}
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continue;
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}
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domSkew *sk = daeSafeCast< domSkew >( node->getContents()[i] );
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if ( sk != NULL ) {
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trans = processSkew( sk );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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current = trans;
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}
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continue;
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}
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domInstance_geometry *ig = daeSafeCast< domInstance_geometry >( node->getContents()[i] );
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if ( ig != NULL )
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{
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trans = processInstance_geometry( ig );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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}
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continue;
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}
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domInstance_controller *ictrl = daeSafeCast< domInstance_controller >( node->getContents()[i] );
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if ( ictrl != NULL )
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{
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trans = processInstance_controller( ictrl );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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}
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continue;
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}
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domInstance_camera *ic = daeSafeCast< domInstance_camera >( node->getContents()[i] );
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if ( ic != NULL )
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{
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daeElement *el = getElementFromURI( ic->getUrl() );
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domCamera *c = daeSafeCast< domCamera >( el );
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if ( c == NULL )
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{
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osg::notify( osg::WARN ) << "Failed to locate camera " << ic->getUrl().getURI() << std::endl;
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}
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trans = processCamera( c );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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}
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continue;
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}
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domInstance_light *il = daeSafeCast< domInstance_light >( node->getContents()[i] );
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if ( il != NULL )
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{
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daeElement *el = getElementFromURI( il->getUrl() );
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domLight *l = daeSafeCast< domLight >( el );
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if ( l == NULL )
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{
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osg::notify( osg::WARN ) << "Failed to locate light " << il->getUrl().getURI() << std::endl;
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}
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trans = processLight( l );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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}
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continue;
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}
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domInstance_node *instn = daeSafeCast< domInstance_node >( node->getContents()[i] );
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if ( instn != NULL )
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{
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daeElement *el = getElementFromURI( instn->getUrl() );
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domNode *n = daeSafeCast< domNode >( el );
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if ( n == NULL )
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{
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osg::notify( osg::WARN ) << "Failed to locate camera " << ic->getUrl().getURI() << std::endl;
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}
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trans = processNode( n );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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}
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continue;
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}
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domNode *n = daeSafeCast< domNode >( node->getContents()[i] );
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if ( n != NULL )
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{
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trans = processNode( n );
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if ( trans != NULL )
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{
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current->asGroup()->addChild( trans );
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}
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continue;
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}
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const char *name = node->getContents()[i]->getElementName();
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if ( name == NULL ) name = node->getContents()[i]->getTypeName();
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osg::notify( osg::WARN ) << "Unsupported element type: " << name << " in COLLADA scene!" << std::endl;
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}
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return retVal;
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}
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