From 1f6cead81ba463e0104a66ca1d246210196f5267 Mon Sep 17 00:00:00 2001 From: Gargaj Date: Sat, 29 Aug 2015 13:39:43 +0200 Subject: [PATCH] remove junk --- code/ColladaParser upstream.cpp | 2928 ------------------------------ code/ColladaParser upstream.h | 352 ---- code/ColladaParser wil.cpp | 2933 ------------------------------- 3 files changed, 6213 deletions(-) delete mode 100644 code/ColladaParser upstream.cpp delete mode 100644 code/ColladaParser upstream.h delete mode 100644 code/ColladaParser wil.cpp diff --git a/code/ColladaParser upstream.cpp b/code/ColladaParser upstream.cpp deleted file mode 100644 index d223f8184..000000000 --- a/code/ColladaParser upstream.cpp +++ /dev/null @@ -1,2928 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2015, assimp team - -All rights reserved. - -Redistribution and use of this software 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 the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -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. ---------------------------------------------------------------------------- -*/ - -/** @file ColladaParser.cpp - * @brief Implementation of the Collada parser helper - */ - - -#ifndef ASSIMP_BUILD_NO_COLLADA_IMPORTER - -#include -#include "ColladaParser.h" -#include "fast_atof.h" -#include "ParsingUtils.h" -#include -#include -#include "../include/assimp/DefaultLogger.hpp" -#include "../include/assimp/IOSystem.hpp" -#include "../include/assimp/light.h" - - -using namespace Assimp; -using namespace Assimp::Collada; - -// ------------------------------------------------------------------------------------------------ -// Constructor to be privately used by Importer -ColladaParser::ColladaParser( IOSystem* pIOHandler, const std::string& pFile) - : mFileName( pFile) -{ - mRootNode = NULL; - mUnitSize = 1.0f; - mUpDirection = UP_Y; - - // We assume the newest file format by default - mFormat = FV_1_5_n; - - // open the file - boost::scoped_ptr file( pIOHandler->Open( pFile)); - if( file.get() == NULL) - throw DeadlyImportError( "Failed to open file " + pFile + "."); - - // generate a XML reader for it - boost::scoped_ptr mIOWrapper( new CIrrXML_IOStreamReader( file.get())); - mReader = irr::io::createIrrXMLReader( mIOWrapper.get()); - if( !mReader) - ThrowException( "Collada: Unable to open file."); - - // start reading - ReadContents(); -} - -// ------------------------------------------------------------------------------------------------ -// Destructor, private as well -ColladaParser::~ColladaParser() -{ - delete mReader; - for( NodeLibrary::iterator it = mNodeLibrary.begin(); it != mNodeLibrary.end(); ++it) - delete it->second; - for( MeshLibrary::iterator it = mMeshLibrary.begin(); it != mMeshLibrary.end(); ++it) - delete it->second; -} - -// ------------------------------------------------------------------------------------------------ -// Read bool from text contents of current element -bool ColladaParser::ReadBoolFromTextContent() -{ - const char* cur = GetTextContent(); - return (!ASSIMP_strincmp(cur,"true",4) || '0' != *cur); -} - -// ------------------------------------------------------------------------------------------------ -// Read float from text contents of current element -float ColladaParser::ReadFloatFromTextContent() -{ - const char* cur = GetTextContent(); - return fast_atof(cur); -} - -// ------------------------------------------------------------------------------------------------ -// Reads the contents of the file -void ColladaParser::ReadContents() -{ - while( mReader->read()) - { - // handle the root element "COLLADA" - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "COLLADA")) - { - // check for 'version' attribute - const int attrib = TestAttribute("version"); - if (attrib != -1) { - const char* version = mReader->getAttributeValue(attrib); - - if (!::strncmp(version,"1.5",3)) { - mFormat = FV_1_5_n; - DefaultLogger::get()->debug("Collada schema version is 1.5.n"); - } - else if (!::strncmp(version,"1.4",3)) { - mFormat = FV_1_4_n; - DefaultLogger::get()->debug("Collada schema version is 1.4.n"); - } - else if (!::strncmp(version,"1.3",3)) { - mFormat = FV_1_3_n; - DefaultLogger::get()->debug("Collada schema version is 1.3.n"); - } - } - - ReadStructure(); - } else - { - DefaultLogger::get()->debug( boost::str( boost::format( "Ignoring global element <%s>.") % mReader->getNodeName())); - SkipElement(); - } - } else - { - // skip everything else silently - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the structure of the file -void ColladaParser::ReadStructure() -{ - while( mReader->read()) - { - // beginning of elements - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "asset")) - ReadAssetInfo(); - else if( IsElement( "library_animations")) - ReadAnimationLibrary(); - else if( IsElement( "library_controllers")) - ReadControllerLibrary(); - else if( IsElement( "library_images")) - ReadImageLibrary(); - else if( IsElement( "library_materials")) - ReadMaterialLibrary(); - else if( IsElement( "library_effects")) - ReadEffectLibrary(); - else if( IsElement( "library_geometries")) - ReadGeometryLibrary(); - else if( IsElement( "library_visual_scenes")) - ReadSceneLibrary(); - else if( IsElement( "library_lights")) - ReadLightLibrary(); - else if( IsElement( "library_cameras")) - ReadCameraLibrary(); - else if( IsElement( "library_nodes")) - ReadSceneNode(NULL); /* some hacking to reuse this piece of code */ - else if( IsElement( "scene")) - ReadScene(); - else - SkipElement(); - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads asset informations such as coordinate system informations and legal blah -void ColladaParser::ReadAssetInfo() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "unit")) - { - // read unit data from the element's attributes - const int attrIndex = TestAttribute( "meter"); - if (attrIndex == -1) { - mUnitSize = 1.f; - } - else { - mUnitSize = mReader->getAttributeValueAsFloat( attrIndex); - } - - // consume the trailing stuff - if( !mReader->isEmptyElement()) - SkipElement(); - } - else if( IsElement( "up_axis")) - { - // read content, strip whitespace, compare - const char* content = GetTextContent(); - if( strncmp( content, "X_UP", 4) == 0) - mUpDirection = UP_X; - else if( strncmp( content, "Z_UP", 4) == 0) - mUpDirection = UP_Z; - else - mUpDirection = UP_Y; - - // check element end - TestClosing( "up_axis"); - } else - { - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "asset") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the animation library -void ColladaParser::ReadAnimationLibrary() -{ - if (mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "animation")) - { - // delegate the reading. Depending on the inner elements it will be a container or a anim channel - ReadAnimation( &mAnims); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_animations") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an animation into the given parent structure -void ColladaParser::ReadAnimation( Collada::Animation* pParent) -{ - if( mReader->isEmptyElement()) - return; - - // an element may be a container for grouping sub-elements or an animation channel - // this is the channel collection by ID, in case it has channels - typedef std::map ChannelMap; - ChannelMap channels; - // this is the anim container in case we're a container - Animation* anim = NULL; - - // optional name given as an attribute - std::string animName; - int indexName = TestAttribute( "name"); - int indexID = TestAttribute( "id"); - if( indexName >= 0) - animName = mReader->getAttributeValue( indexName); - else if( indexID >= 0) - animName = mReader->getAttributeValue( indexID); - else - animName = "animation"; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // we have subanimations - if( IsElement( "animation")) - { - // create container from our element - if( !anim) - { - anim = new Animation; - anim->mName = animName; - pParent->mSubAnims.push_back( anim); - } - - // recurse into the subelement - ReadAnimation( anim); - } - else if( IsElement( "source")) - { - // possible animation data - we'll never know. Better store it - ReadSource(); - } - else if( IsElement( "sampler")) - { - // read the ID to assign the corresponding collada channel afterwards. - int indexID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( indexID); - ChannelMap::iterator newChannel = channels.insert( std::make_pair( id, AnimationChannel())).first; - - // have it read into a channel - ReadAnimationSampler( newChannel->second); - } - else if( IsElement( "channel")) - { - // the binding element whose whole purpose is to provide the target to animate - // Thanks, Collada! A directly posted information would have been too simple, I guess. - // Better add another indirection to that! Can't have enough of those. - int indexTarget = GetAttribute( "target"); - int indexSource = GetAttribute( "source"); - const char* sourceId = mReader->getAttributeValue( indexSource); - if( sourceId[0] == '#') - sourceId++; - ChannelMap::iterator cit = channels.find( sourceId); - if( cit != channels.end()) - cit->second.mTarget = mReader->getAttributeValue( indexTarget); - - if( !mReader->isEmptyElement()) - SkipElement(); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "animation") != 0) - ThrowException( "Expected end of element."); - - break; - } - } - - // it turned out to have channels - add them - if( !channels.empty()) - { - // special filtering for stupid exporters packing each channel into a separate animation - if( channels.size() == 1) - { - pParent->mChannels.push_back( channels.begin()->second); - } else - { - // else create the animation, if not done yet, and store the channels - if( !anim) - { - anim = new Animation; - anim->mName = animName; - pParent->mSubAnims.push_back( anim); - } - for( ChannelMap::const_iterator it = channels.begin(); it != channels.end(); ++it) - anim->mChannels.push_back( it->second); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an animation sampler into the given anim channel -void ColladaParser::ReadAnimationSampler( Collada::AnimationChannel& pChannel) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "input")) - { - int indexSemantic = GetAttribute( "semantic"); - const char* semantic = mReader->getAttributeValue( indexSemantic); - int indexSource = GetAttribute( "source"); - const char* source = mReader->getAttributeValue( indexSource); - if( source[0] != '#') - ThrowException( "Unsupported URL format"); - source++; - - if( strcmp( semantic, "INPUT") == 0) - pChannel.mSourceTimes = source; - else if( strcmp( semantic, "OUTPUT") == 0) - pChannel.mSourceValues = source; - - if( !mReader->isEmptyElement()) - SkipElement(); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "sampler") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the skeleton controller library -void ColladaParser::ReadControllerLibrary() -{ - if (mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "controller")) - { - // read ID. Ask the spec if it's neccessary or optional... you might be surprised. - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mControllerLibrary[id] = Controller(); - - // read on from there - ReadController( mControllerLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_controllers") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a controller into the given mesh structure -void ColladaParser::ReadController( Collada::Controller& pController) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // two types of controllers: "skin" and "morph". Only the first one is relevant, we skip the other - if( IsElement( "morph")) - { - // should skip everything inside, so there's no danger of catching elements inbetween - SkipElement(); - } - else if( IsElement( "skin")) - { - // read the mesh it refers to. According to the spec this could also be another - // controller, but I refuse to implement every single idea they've come up with - int sourceIndex = GetAttribute( "source"); - pController.mMeshId = mReader->getAttributeValue( sourceIndex) + 1; - } - else if( IsElement( "bind_shape_matrix")) - { - // content is 16 floats to define a matrix... it seems to be important for some models - const char* content = GetTextContent(); - - // read the 16 floats - for( unsigned int a = 0; a < 16; a++) - { - // read a number - content = fast_atoreal_move( content, pController.mBindShapeMatrix[a]); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - - TestClosing( "bind_shape_matrix"); - } - else if( IsElement( "source")) - { - // data array - we have specialists to handle this - ReadSource(); - } - else if( IsElement( "joints")) - { - ReadControllerJoints( pController); - } - else if( IsElement( "vertex_weights")) - { - ReadControllerWeights( pController); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "controller") == 0) - break; - else if( strcmp( mReader->getNodeName(), "skin") != 0) - ThrowException( "Expected end of element."); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the joint definitions for the given controller -void ColladaParser::ReadControllerJoints( Collada::Controller& pController) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // Input channels for joint data. Two possible semantics: "JOINT" and "INV_BIND_MATRIX" - if( IsElement( "input")) - { - int indexSemantic = GetAttribute( "semantic"); - const char* attrSemantic = mReader->getAttributeValue( indexSemantic); - int indexSource = GetAttribute( "source"); - const char* attrSource = mReader->getAttributeValue( indexSource); - - // local URLS always start with a '#'. We don't support global URLs - if( attrSource[0] != '#') - ThrowException( boost::str( boost::format( "Unsupported URL format in \"%s\" in source attribute of data element") % attrSource)); - attrSource++; - - // parse source URL to corresponding source - if( strcmp( attrSemantic, "JOINT") == 0) - pController.mJointNameSource = attrSource; - else if( strcmp( attrSemantic, "INV_BIND_MATRIX") == 0) - pController.mJointOffsetMatrixSource = attrSource; - else - ThrowException( boost::str( boost::format( "Unknown semantic \"%s\" in data element") % attrSemantic)); - - // skip inner data, if present - if( !mReader->isEmptyElement()) - SkipElement(); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "joints") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the joint weights for the given controller -void ColladaParser::ReadControllerWeights( Collada::Controller& pController) -{ - // read vertex count from attributes and resize the array accordingly - int indexCount = GetAttribute( "count"); - size_t vertexCount = (size_t) mReader->getAttributeValueAsInt( indexCount); - pController.mWeightCounts.resize( vertexCount); - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // Input channels for weight data. Two possible semantics: "JOINT" and "WEIGHT" - if( IsElement( "input") && vertexCount > 0 ) - { - InputChannel channel; - - int indexSemantic = GetAttribute( "semantic"); - const char* attrSemantic = mReader->getAttributeValue( indexSemantic); - int indexSource = GetAttribute( "source"); - const char* attrSource = mReader->getAttributeValue( indexSource); - int indexOffset = TestAttribute( "offset"); - if( indexOffset >= 0) - channel.mOffset = mReader->getAttributeValueAsInt( indexOffset); - - // local URLS always start with a '#'. We don't support global URLs - if( attrSource[0] != '#') - ThrowException( boost::str( boost::format( "Unsupported URL format in \"%s\" in source attribute of data element") % attrSource)); - channel.mAccessor = attrSource + 1; - - // parse source URL to corresponding source - if( strcmp( attrSemantic, "JOINT") == 0) - pController.mWeightInputJoints = channel; - else if( strcmp( attrSemantic, "WEIGHT") == 0) - pController.mWeightInputWeights = channel; - else - ThrowException( boost::str( boost::format( "Unknown semantic \"%s\" in data element") % attrSemantic)); - - // skip inner data, if present - if( !mReader->isEmptyElement()) - SkipElement(); - } - else if( IsElement( "vcount") && vertexCount > 0 ) - { - // read weight count per vertex - const char* text = GetTextContent(); - size_t numWeights = 0; - for( std::vector::iterator it = pController.mWeightCounts.begin(); it != pController.mWeightCounts.end(); ++it) - { - if( *text == 0) - ThrowException( "Out of data while reading "); - - *it = strtoul10( text, &text); - numWeights += *it; - SkipSpacesAndLineEnd( &text); - } - - TestClosing( "vcount"); - - // reserve weight count - pController.mWeights.resize( numWeights); - } - else if( IsElement( "v") && vertexCount > 0 ) - { - // read JointIndex - WeightIndex pairs - const char* text = GetTextContent(); - - for( std::vector< std::pair >::iterator it = pController.mWeights.begin(); it != pController.mWeights.end(); ++it) - { - if( *text == 0) - ThrowException( "Out of data while reading "); - it->first = strtoul10( text, &text); - SkipSpacesAndLineEnd( &text); - if( *text == 0) - ThrowException( "Out of data while reading "); - it->second = strtoul10( text, &text); - SkipSpacesAndLineEnd( &text); - } - - TestClosing( "v"); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "vertex_weights") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the image library contents -void ColladaParser::ReadImageLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "image")) - { - // read ID. Another entry which is "optional" by design but obligatory in reality - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mImageLibrary[id] = Image(); - - // read on from there - ReadImage( mImageLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_images") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an image entry into the given image -void ColladaParser::ReadImage( Collada::Image& pImage) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT){ - // Need to run different code paths here, depending on the Collada XSD version - if (IsElement("image")) { - SkipElement(); - } - else if( IsElement( "init_from")) - { - if (mFormat == FV_1_4_n) - { - // FIX: C4D exporter writes empty tags - if (!mReader->isEmptyElement()) { - // element content is filename - hopefully - const char* sz = TestTextContent(); - if (sz)pImage.mFileName = sz; - TestClosing( "init_from"); - } - if (!pImage.mFileName.length()) { - pImage.mFileName = "unknown_texture"; - } - } - else if (mFormat == FV_1_5_n) - { - // make sure we skip over mip and array initializations, which - // we don't support, but which could confuse the loader if - // they're not skipped. - int attrib = TestAttribute("array_index"); - if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) { - DefaultLogger::get()->warn("Collada: Ignoring texture array index"); - continue; - } - - attrib = TestAttribute("mip_index"); - if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) { - DefaultLogger::get()->warn("Collada: Ignoring MIP map layer"); - continue; - } - - // TODO: correctly jump over cube and volume maps? - } - } - else if (mFormat == FV_1_5_n) - { - if( IsElement( "ref")) - { - // element content is filename - hopefully - const char* sz = TestTextContent(); - if (sz)pImage.mFileName = sz; - TestClosing( "ref"); - } - else if( IsElement( "hex") && !pImage.mFileName.length()) - { - // embedded image. get format - const int attrib = TestAttribute("format"); - if (-1 == attrib) - DefaultLogger::get()->warn("Collada: Unknown image file format"); - else pImage.mEmbeddedFormat = mReader->getAttributeValue(attrib); - - const char* data = GetTextContent(); - - // hexadecimal-encoded binary octets. First of all, find the - // required buffer size to reserve enough storage. - const char* cur = data; - while (!IsSpaceOrNewLine(*cur)) cur++; - - const unsigned int size = (unsigned int)(cur-data) * 2; - pImage.mImageData.resize(size); - for (unsigned int i = 0; i < size;++i) - pImage.mImageData[i] = HexOctetToDecimal(data+(i<<1)); - - TestClosing( "hex"); - } - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "image") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the material library -void ColladaParser::ReadMaterialLibrary() -{ - if( mReader->isEmptyElement()) - return; - - std::map names; - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "material")) - { - // read ID. By now you propably know my opinion about this "specification" - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - std::string name; - int attrName = TestAttribute("name"); - if (attrName >= 0) - name = mReader->getAttributeValue( attrName); - - // create an entry and store it in the library under its ID - mMaterialLibrary[id] = Material(); - - if( !name.empty()) - { - std::map::iterator it = names.find( name); - if( it != names.end()) - { - std::ostringstream strStream; - strStream << ++it->second; - name.append( " " + strStream.str()); - } - else - { - names[name] = 0; - } - - mMaterialLibrary[id].mName = name; - } - - ReadMaterial( mMaterialLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_materials") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the light library -void ColladaParser::ReadLightLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "light")) - { - // read ID. By now you propably know my opinion about this "specification" - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - ReadLight(mLightLibrary[id] = Light()); - - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_lights") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the camera library -void ColladaParser::ReadCameraLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "camera")) - { - // read ID. By now you propably know my opinion about this "specification" - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - Camera& cam = mCameraLibrary[id]; - attrID = TestAttribute( "name"); - if (attrID != -1) - cam.mName = mReader->getAttributeValue( attrID); - - ReadCamera(cam); - - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_cameras") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a material entry into the given material -void ColladaParser::ReadMaterial( Collada::Material& pMaterial) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if (IsElement("material")) { - SkipElement(); - } - else if( IsElement( "instance_effect")) - { - // referred effect by URL - int attrUrl = GetAttribute( "url"); - const char* url = mReader->getAttributeValue( attrUrl); - if( url[0] != '#') - ThrowException( "Unknown reference format"); - - pMaterial.mEffect = url+1; - - SkipElement(); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "material") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a light entry into the given light -void ColladaParser::ReadLight( Collada::Light& pLight) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if (IsElement("light")) { - SkipElement(); - } - else if (IsElement("spot")) { - pLight.mType = aiLightSource_SPOT; - } - else if (IsElement("ambient")) { - pLight.mType = aiLightSource_AMBIENT; - } - else if (IsElement("directional")) { - pLight.mType = aiLightSource_DIRECTIONAL; - } - else if (IsElement("point")) { - pLight.mType = aiLightSource_POINT; - } - else if (IsElement("color")) { - // text content contains 3 floats - const char* content = GetTextContent(); - - content = fast_atoreal_move( content, (float&)pLight.mColor.r); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pLight.mColor.g); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pLight.mColor.b); - SkipSpacesAndLineEnd( &content); - - TestClosing( "color"); - } - else if (IsElement("constant_attenuation")) { - pLight.mAttConstant = ReadFloatFromTextContent(); - TestClosing("constant_attenuation"); - } - else if (IsElement("linear_attenuation")) { - pLight.mAttLinear = ReadFloatFromTextContent(); - TestClosing("linear_attenuation"); - } - else if (IsElement("quadratic_attenuation")) { - pLight.mAttQuadratic = ReadFloatFromTextContent(); - TestClosing("quadratic_attenuation"); - } - else if (IsElement("falloff_angle")) { - pLight.mFalloffAngle = ReadFloatFromTextContent(); - TestClosing("falloff_angle"); - } - else if (IsElement("falloff_exponent")) { - pLight.mFalloffExponent = ReadFloatFromTextContent(); - TestClosing("falloff_exponent"); - } - // FCOLLADA extensions - // ------------------------------------------------------- - else if (IsElement("outer_cone")) { - pLight.mOuterAngle = ReadFloatFromTextContent(); - TestClosing("outer_cone"); - } - // ... and this one is even deprecated - else if (IsElement("penumbra_angle")) { - pLight.mPenumbraAngle = ReadFloatFromTextContent(); - TestClosing("penumbra_angle"); - } - else if (IsElement("intensity")) { - pLight.mIntensity = ReadFloatFromTextContent(); - TestClosing("intensity"); - } - else if (IsElement("falloff")) { - pLight.mOuterAngle = ReadFloatFromTextContent(); - TestClosing("falloff"); - } - else if (IsElement("hotspot_beam")) { - pLight.mFalloffAngle = ReadFloatFromTextContent(); - TestClosing("hotspot_beam"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "light") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a camera entry into the given light -void ColladaParser::ReadCamera( Collada::Camera& pCamera) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if (IsElement("camera")) { - SkipElement(); - } - else if (IsElement("orthographic")) { - pCamera.mOrtho = true; - } - else if (IsElement("xfov") || IsElement("xmag")) { - pCamera.mHorFov = ReadFloatFromTextContent(); - TestClosing((pCamera.mOrtho ? "xmag" : "xfov")); - } - else if (IsElement("yfov") || IsElement("ymag")) { - pCamera.mVerFov = ReadFloatFromTextContent(); - TestClosing((pCamera.mOrtho ? "ymag" : "yfov")); - } - else if (IsElement("aspect_ratio")) { - pCamera.mAspect = ReadFloatFromTextContent(); - TestClosing("aspect_ratio"); - } - else if (IsElement("znear")) { - pCamera.mZNear = ReadFloatFromTextContent(); - TestClosing("znear"); - } - else if (IsElement("zfar")) { - pCamera.mZFar = ReadFloatFromTextContent(); - TestClosing("zfar"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "camera") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the effect library -void ColladaParser::ReadEffectLibrary() -{ - if (mReader->isEmptyElement()) { - return; - } - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "effect")) - { - // read ID. Do I have to repeat my ranting about "optional" attributes? - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mEffectLibrary[id] = Effect(); - // read on from there - ReadEffect( mEffectLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_effects") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect entry into the given effect -void ColladaParser::ReadEffect( Collada::Effect& pEffect) -{ - // for the moment we don't support any other type of effect. - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "profile_COMMON")) - ReadEffectProfileCommon( pEffect); - else - SkipElement(); - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "effect") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an COMMON effect profile -void ColladaParser::ReadEffectProfileCommon( Collada::Effect& pEffect) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "newparam")) { - // save ID - int attrSID = GetAttribute( "sid"); - std::string sid = mReader->getAttributeValue( attrSID); - pEffect.mParams[sid] = EffectParam(); - ReadEffectParam( pEffect.mParams[sid]); - } - else if( IsElement( "technique") || IsElement( "extra")) - { - // just syntactic sugar - } - - else if( mFormat == FV_1_4_n && IsElement( "image")) - { - // read ID. Another entry which is "optional" by design but obligatory in reality - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mImageLibrary[id] = Image(); - - // read on from there - ReadImage( mImageLibrary[id]); - } - - /* Shading modes */ - else if( IsElement( "phong")) - pEffect.mShadeType = Shade_Phong; - else if( IsElement( "constant")) - pEffect.mShadeType = Shade_Constant; - else if( IsElement( "lambert")) - pEffect.mShadeType = Shade_Lambert; - else if( IsElement( "blinn")) - pEffect.mShadeType = Shade_Blinn; - - /* Color + texture properties */ - else if( IsElement( "emission")) - ReadEffectColor( pEffect.mEmissive, pEffect.mTexEmissive); - else if( IsElement( "ambient")) - ReadEffectColor( pEffect.mAmbient, pEffect.mTexAmbient); - else if( IsElement( "diffuse")) - ReadEffectColor( pEffect.mDiffuse, pEffect.mTexDiffuse); - else if( IsElement( "specular")) - ReadEffectColor( pEffect.mSpecular, pEffect.mTexSpecular); - else if( IsElement( "reflective")) { - ReadEffectColor( pEffect.mReflective, pEffect.mTexReflective); - } - else if( IsElement( "transparent")) { - pEffect.mHasTransparency = true; - - // In RGB_ZERO mode, the transparency is interpreted in reverse, go figure... - if(::strcmp(mReader->getAttributeValueSafe("opaque"), "RGB_ZERO") == 0) { - // TODO: handle RGB_ZERO mode completely - pEffect.mRGBTransparency = true; - } - - ReadEffectColor( pEffect.mTransparent,pEffect.mTexTransparent); - } - else if( IsElement( "shininess")) - ReadEffectFloat( pEffect.mShininess); - else if( IsElement( "reflectivity")) - ReadEffectFloat( pEffect.mReflectivity); - - /* Single scalar properties */ - else if( IsElement( "transparency")) - ReadEffectFloat( pEffect.mTransparency); - else if( IsElement( "index_of_refraction")) - ReadEffectFloat( pEffect.mRefractIndex); - - // GOOGLEEARTH/OKINO extensions - // ------------------------------------------------------- - else if( IsElement( "double_sided")) - pEffect.mDoubleSided = ReadBoolFromTextContent(); - - // FCOLLADA extensions - // ------------------------------------------------------- - else if( IsElement( "bump")) { - aiColor4D dummy; - ReadEffectColor( dummy,pEffect.mTexBump); - } - - // MAX3D extensions - // ------------------------------------------------------- - else if( IsElement( "wireframe")) { - pEffect.mWireframe = ReadBoolFromTextContent(); - TestClosing( "wireframe"); - } - else if( IsElement( "faceted")) { - pEffect.mFaceted = ReadBoolFromTextContent(); - TestClosing( "faceted"); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "profile_COMMON") == 0) - { - break; - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Read texture wrapping + UV transform settings from a profile==Maya chunk -void ColladaParser::ReadSamplerProperties( Sampler& out ) -{ - if (mReader->isEmptyElement()) { - return; - } - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - - // MAYA extensions - // ------------------------------------------------------- - if( IsElement( "wrapU")) { - out.mWrapU = ReadBoolFromTextContent(); - TestClosing( "wrapU"); - } - else if( IsElement( "wrapV")) { - out.mWrapV = ReadBoolFromTextContent(); - TestClosing( "wrapV"); - } - else if( IsElement( "mirrorU")) { - out.mMirrorU = ReadBoolFromTextContent(); - TestClosing( "mirrorU"); - } - else if( IsElement( "mirrorV")) { - out.mMirrorV = ReadBoolFromTextContent(); - TestClosing( "mirrorV"); - } - else if( IsElement( "repeatU")) { - out.mTransform.mScaling.x = ReadFloatFromTextContent(); - TestClosing( "repeatU"); - } - else if( IsElement( "repeatV")) { - out.mTransform.mScaling.y = ReadFloatFromTextContent(); - TestClosing( "repeatV"); - } - else if( IsElement( "offsetU")) { - out.mTransform.mTranslation.x = ReadFloatFromTextContent(); - TestClosing( "offsetU"); - } - else if( IsElement( "offsetV")) { - out.mTransform.mTranslation.y = ReadFloatFromTextContent(); - TestClosing( "offsetV"); - } - else if( IsElement( "rotateUV")) { - out.mTransform.mRotation = ReadFloatFromTextContent(); - TestClosing( "rotateUV"); - } - else if( IsElement( "blend_mode")) { - - const char* sz = GetTextContent(); - // http://www.feelingsoftware.com/content/view/55/72/lang,en/ - // NONE, OVER, IN, OUT, ADD, SUBTRACT, MULTIPLY, DIFFERENCE, LIGHTEN, DARKEN, SATURATE, DESATURATE and ILLUMINATE - if (0 == ASSIMP_strincmp(sz,"ADD",3)) - out.mOp = aiTextureOp_Add; - - else if (0 == ASSIMP_strincmp(sz,"SUBTRACT",8)) - out.mOp = aiTextureOp_Subtract; - - else if (0 == ASSIMP_strincmp(sz,"MULTIPLY",8)) - out.mOp = aiTextureOp_Multiply; - - else { - DefaultLogger::get()->warn("Collada: Unsupported MAYA texture blend mode"); - } - TestClosing( "blend_mode"); - } - // OKINO extensions - // ------------------------------------------------------- - else if( IsElement( "weighting")) { - out.mWeighting = ReadFloatFromTextContent(); - TestClosing( "weighting"); - } - else if( IsElement( "mix_with_previous_layer")) { - out.mMixWithPrevious = ReadFloatFromTextContent(); - TestClosing( "mix_with_previous_layer"); - } - // MAX3D extensions - // ------------------------------------------------------- - else if( IsElement( "amount")) { - out.mWeighting = ReadFloatFromTextContent(); - TestClosing( "amount"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "technique") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect entry containing a color or a texture defining that color -void ColladaParser::ReadEffectColor( aiColor4D& pColor, Sampler& pSampler) -{ - if (mReader->isEmptyElement()) - return; - - // Save current element name - const std::string curElem = mReader->getNodeName(); - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "color")) - { - // text content contains 4 floats - const char* content = GetTextContent(); - - content = fast_atoreal_move( content, (float&)pColor.r); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pColor.g); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pColor.b); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pColor.a); - SkipSpacesAndLineEnd( &content); - TestClosing( "color"); - } - else if( IsElement( "texture")) - { - // get name of source textur/sampler - int attrTex = GetAttribute( "texture"); - pSampler.mName = mReader->getAttributeValue( attrTex); - - // get name of UV source channel. Specification demands it to be there, but some exporters - // don't write it. It will be the default UV channel in case it's missing. - attrTex = TestAttribute( "texcoord"); - if( attrTex >= 0 ) - pSampler.mUVChannel = mReader->getAttributeValue( attrTex); - //SkipElement(); - - // as we've read texture, the color needs to be 1,1,1,1 - pColor = aiColor4D(1.f, 1.f, 1.f, 1.f); - } - else if( IsElement( "technique")) - { - const int _profile = GetAttribute( "profile"); - const char* profile = mReader->getAttributeValue( _profile ); - - // Some extensions are quite useful ... ReadSamplerProperties processes - // several extensions in MAYA, OKINO and MAX3D profiles. - if (!::strcmp(profile,"MAYA") || !::strcmp(profile,"MAX3D") || !::strcmp(profile,"OKINO")) - { - // get more information on this sampler - ReadSamplerProperties(pSampler); - } - else SkipElement(); - } - else if( !IsElement( "extra")) - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){ - if (mReader->getNodeName() == curElem) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect entry containing a float -void ColladaParser::ReadEffectFloat( float& pFloat) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT){ - if( IsElement( "float")) - { - // text content contains a single floats - const char* content = GetTextContent(); - content = fast_atoreal_move( content, pFloat); - SkipSpacesAndLineEnd( &content); - - TestClosing( "float"); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){ - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect parameter specification of any kind -void ColladaParser::ReadEffectParam( Collada::EffectParam& pParam) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "surface")) - { - // image ID given inside tags - TestOpening( "init_from"); - const char* content = GetTextContent(); - pParam.mType = Param_Surface; - pParam.mReference = content; - TestClosing( "init_from"); - - // don't care for remaining stuff - SkipElement( "surface"); - } - else if( IsElement( "sampler2D")) - { - // surface ID is given inside tags - TestOpening( "source"); - const char* content = GetTextContent(); - pParam.mType = Param_Sampler; - pParam.mReference = content; - TestClosing( "source"); - - // don't care for remaining stuff - SkipElement( "sampler2D"); - } else - { - // ignore unknown element - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the geometry library contents -void ColladaParser::ReadGeometryLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "geometry")) - { - // read ID. Another entry which is "optional" by design but obligatory in reality - int indexID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( indexID); - - // TODO: (thom) support SIDs - // ai_assert( TestAttribute( "sid") == -1); - - // create a mesh and store it in the library under its ID - Mesh* mesh = new Mesh; - mMeshLibrary[id] = mesh; - - // read the mesh name if it exists - const int nameIndex = TestAttribute("name"); - if(nameIndex != -1) - { - mesh->mName = mReader->getAttributeValue(nameIndex); - } - - // read on from there - ReadGeometry( mesh); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_geometries") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a geometry from the geometry library. -void ColladaParser::ReadGeometry( Collada::Mesh* pMesh) -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "mesh")) - { - // read on from there - ReadMesh( pMesh); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "geometry") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a mesh from the geometry library -void ColladaParser::ReadMesh( Mesh* pMesh) -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "source")) - { - // we have professionals dealing with this - ReadSource(); - } - else if( IsElement( "vertices")) - { - // read per-vertex mesh data - ReadVertexData( pMesh); - } - else if( IsElement( "triangles") || IsElement( "lines") || IsElement( "linestrips") - || IsElement( "polygons") || IsElement( "polylist") || IsElement( "trifans") || IsElement( "tristrips")) - { - // read per-index mesh data and faces setup - ReadIndexData( pMesh); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "technique_common") == 0) - { - // end of another meaningless element - read over it - } - else if( strcmp( mReader->getNodeName(), "mesh") == 0) - { - // end of element - we're done here - break; - } else - { - // everything else should be punished - ThrowException( "Expected end of element."); - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a source element -void ColladaParser::ReadSource() -{ - int indexID = GetAttribute( "id"); - std::string sourceID = mReader->getAttributeValue( indexID); - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "float_array") || IsElement( "IDREF_array") || IsElement( "Name_array")) - { - ReadDataArray(); - } - else if( IsElement( "technique_common")) - { - // I don't care for your profiles - } - else if( IsElement( "accessor")) - { - ReadAccessor( sourceID); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "source") == 0) - { - // end of - we're done - break; - } - else if( strcmp( mReader->getNodeName(), "technique_common") == 0) - { - // end of another meaningless element - read over it - } else - { - // everything else should be punished - ThrowException( "Expected end of element."); - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a data array holding a number of floats, and stores it in the global library -void ColladaParser::ReadDataArray() -{ - std::string elmName = mReader->getNodeName(); - bool isStringArray = (elmName == "IDREF_array" || elmName == "Name_array"); - bool isEmptyElement = mReader->isEmptyElement(); - - // read attributes - int indexID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( indexID); - int indexCount = GetAttribute( "count"); - unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( indexCount); - const char* content = TestTextContent(); - - // read values and store inside an array in the data library - mDataLibrary[id] = Data(); - Data& data = mDataLibrary[id]; - data.mIsStringArray = isStringArray; - - // some exporters write empty data arrays, but we need to conserve them anyways because others might reference them - if (content) - { - if( isStringArray) - { - data.mStrings.reserve( count); - std::string s; - - for( unsigned int a = 0; a < count; a++) - { - if( *content == 0) - ThrowException( "Expected more values while reading IDREF_array contents."); - - s.clear(); - while( !IsSpaceOrNewLine( *content)) - s += *content++; - data.mStrings.push_back( s); - - SkipSpacesAndLineEnd( &content); - } - } else - { - data.mValues.reserve( count); - - for( unsigned int a = 0; a < count; a++) - { - if( *content == 0) - ThrowException( "Expected more values while reading float_array contents."); - - float value; - // read a number - content = fast_atoreal_move( content, value); - data.mValues.push_back( value); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - } - } - - // test for closing tag - if( !isEmptyElement ) - TestClosing( elmName.c_str()); -} - -// ------------------------------------------------------------------------------------------------ -// Reads an accessor and stores it in the global library -void ColladaParser::ReadAccessor( const std::string& pID) -{ - // read accessor attributes - int attrSource = GetAttribute( "source"); - const char* source = mReader->getAttributeValue( attrSource); - if( source[0] != '#') - ThrowException( boost::str( boost::format( "Unknown reference format in url \"%s\" in source attribute of element.") % source)); - int attrCount = GetAttribute( "count"); - unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( attrCount); - int attrOffset = TestAttribute( "offset"); - unsigned int offset = 0; - if( attrOffset > -1) - offset = (unsigned int) mReader->getAttributeValueAsInt( attrOffset); - int attrStride = TestAttribute( "stride"); - unsigned int stride = 1; - if( attrStride > -1) - stride = (unsigned int) mReader->getAttributeValueAsInt( attrStride); - - // store in the library under the given ID - mAccessorLibrary[pID] = Accessor(); - Accessor& acc = mAccessorLibrary[pID]; - acc.mCount = count; - acc.mOffset = offset; - acc.mStride = stride; - acc.mSource = source+1; // ignore the leading '#' - acc.mSize = 0; // gets incremented with every param - - // and read the components - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "param")) - { - // read data param - int attrName = TestAttribute( "name"); - std::string name; - if( attrName > -1) - { - name = mReader->getAttributeValue( attrName); - - // analyse for common type components and store it's sub-offset in the corresponding field - - /* Cartesian coordinates */ - if( name == "X") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "Y") acc.mSubOffset[1] = acc.mParams.size(); - else if( name == "Z") acc.mSubOffset[2] = acc.mParams.size(); - - /* RGBA colors */ - else if( name == "R") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "G") acc.mSubOffset[1] = acc.mParams.size(); - else if( name == "B") acc.mSubOffset[2] = acc.mParams.size(); - else if( name == "A") acc.mSubOffset[3] = acc.mParams.size(); - - /* UVWQ (STPQ) texture coordinates */ - else if( name == "S") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "T") acc.mSubOffset[1] = acc.mParams.size(); - else if( name == "P") acc.mSubOffset[2] = acc.mParams.size(); - // else if( name == "Q") acc.mSubOffset[3] = acc.mParams.size(); - /* 4D uv coordinates are not supported in Assimp */ - - /* Generic extra data, interpreted as UV data, too*/ - else if( name == "U") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "V") acc.mSubOffset[1] = acc.mParams.size(); - //else - // DefaultLogger::get()->warn( boost::str( boost::format( "Unknown accessor parameter \"%s\". Ignoring data channel.") % name)); - } - - // read data type - int attrType = TestAttribute( "type"); - if( attrType > -1) - { - // for the moment we only distinguish between a 4x4 matrix and anything else. - // TODO: (thom) I don't have a spec here at work. Check if there are other multi-value types - // which should be tested for here. - std::string type = mReader->getAttributeValue( attrType); - if( type == "float4x4") - acc.mSize += 16; - else - acc.mSize += 1; - } - - acc.mParams.push_back( name); - - // skip remaining stuff of this element, if any - SkipElement(); - } else - { - ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag ") % mReader->getNodeName())); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "accessor") != 0) - ThrowException( "Expected end of element."); - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads input declarations of per-vertex mesh data into the given mesh -void ColladaParser::ReadVertexData( Mesh* pMesh) -{ - // extract the ID of the element. Not that we care, but to catch strange referencing schemes we should warn about - int attrID= GetAttribute( "id"); - pMesh->mVertexID = mReader->getAttributeValue( attrID); - - // a number of elements - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "input")) - { - ReadInputChannel( pMesh->mPerVertexData); - } else - { - ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag ") % mReader->getNodeName())); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "vertices") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads input declarations of per-index mesh data into the given mesh -void ColladaParser::ReadIndexData( Mesh* pMesh) -{ - std::vector vcount; - std::vector perIndexData; - - // read primitive count from the attribute - int attrCount = GetAttribute( "count"); - size_t numPrimitives = (size_t) mReader->getAttributeValueAsInt( attrCount); - // some mesh types (e.g. tristrips) don't specify primitive count upfront, - // so we need to sum up the actual number of primitives while we read the

-tags - size_t actualPrimitives = 0; - - // material subgroup - int attrMaterial = TestAttribute( "material"); - SubMesh subgroup; - if( attrMaterial > -1) - subgroup.mMaterial = mReader->getAttributeValue( attrMaterial); - - // distinguish between polys and triangles - std::string elementName = mReader->getNodeName(); - PrimitiveType primType = Prim_Invalid; - if( IsElement( "lines")) - primType = Prim_Lines; - else if( IsElement( "linestrips")) - primType = Prim_LineStrip; - else if( IsElement( "polygons")) - primType = Prim_Polygon; - else if( IsElement( "polylist")) - primType = Prim_Polylist; - else if( IsElement( "triangles")) - primType = Prim_Triangles; - else if( IsElement( "trifans")) - primType = Prim_TriFans; - else if( IsElement( "tristrips")) - primType = Prim_TriStrips; - - ai_assert( primType != Prim_Invalid); - - // also a number of elements, but in addition a

primitive collection and propably index counts for all primitives - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "input")) - { - ReadInputChannel( perIndexData); - } - else if( IsElement( "vcount")) - { - if( !mReader->isEmptyElement()) - { - if (numPrimitives) // It is possible to define a mesh without any primitives - { - // case - specifies the number of indices for each polygon - const char* content = GetTextContent(); - vcount.reserve( numPrimitives); - for( unsigned int a = 0; a < numPrimitives; a++) - { - if( *content == 0) - ThrowException( "Expected more values while reading contents."); - // read a number - vcount.push_back( (size_t) strtoul10( content, &content)); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - } - - TestClosing( "vcount"); - } - } - else if( IsElement( "p")) - { - if( !mReader->isEmptyElement()) - { - // now here the actual fun starts - these are the indices to construct the mesh data from - actualPrimitives += ReadPrimitives(pMesh, perIndexData, numPrimitives, vcount, primType); - } - } - else if (IsElement("extra")) - { - SkipElement("extra"); - } else - { - ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag <%s>") % mReader->getNodeName() % elementName)); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( mReader->getNodeName() != elementName) - ThrowException( boost::str( boost::format( "Expected end of <%s> element.") % elementName)); - - break; - } - } - -#ifdef ASSIMP_BUILD_DEBUG - if (primType != Prim_TriFans && primType != Prim_TriStrips) { - ai_assert(actualPrimitives == numPrimitives); - } -#endif - - // only when we're done reading all

tags (and thus know the final vertex count) can we commit the submesh - subgroup.mNumFaces = actualPrimitives; - pMesh->mSubMeshes.push_back(subgroup); -} - -// ------------------------------------------------------------------------------------------------ -// Reads a single input channel element and stores it in the given array, if valid -void ColladaParser::ReadInputChannel( std::vector& poChannels) -{ - InputChannel channel; - - // read semantic - int attrSemantic = GetAttribute( "semantic"); - std::string semantic = mReader->getAttributeValue( attrSemantic); - channel.mType = GetTypeForSemantic( semantic); - - // read source - int attrSource = GetAttribute( "source"); - const char* source = mReader->getAttributeValue( attrSource); - if( source[0] != '#') - ThrowException( boost::str( boost::format( "Unknown reference format in url \"%s\" in source attribute of element.") % source)); - channel.mAccessor = source+1; // skipping the leading #, hopefully the remaining text is the accessor ID only - - // read index offset, if per-index - int attrOffset = TestAttribute( "offset"); - if( attrOffset > -1) - channel.mOffset = mReader->getAttributeValueAsInt( attrOffset); - - // read set if texture coordinates - if(channel.mType == IT_Texcoord || channel.mType == IT_Color){ - int attrSet = TestAttribute("set"); - if(attrSet > -1){ - attrSet = mReader->getAttributeValueAsInt( attrSet); - if(attrSet < 0) - ThrowException( boost::str( boost::format( "Invalid index \"%i\" in set attribute of element") % (attrSet))); - - channel.mIndex = attrSet; - } - } - - // store, if valid type - if( channel.mType != IT_Invalid) - poChannels.push_back( channel); - - // skip remaining stuff of this element, if any - SkipElement(); -} - -// ------------------------------------------------------------------------------------------------ -// Reads a

primitive index list and assembles the mesh data into the given mesh -size_t ColladaParser::ReadPrimitives( Mesh* pMesh, std::vector& pPerIndexChannels, - size_t pNumPrimitives, const std::vector& pVCount, PrimitiveType pPrimType) -{ - // determine number of indices coming per vertex - // find the offset index for all per-vertex channels - size_t numOffsets = 1; - size_t perVertexOffset = SIZE_MAX; // invalid value - BOOST_FOREACH( const InputChannel& channel, pPerIndexChannels) - { - numOffsets = std::max( numOffsets, channel.mOffset+1); - if( channel.mType == IT_Vertex) - perVertexOffset = channel.mOffset; - } - - // determine the expected number of indices - size_t expectedPointCount = 0; - switch( pPrimType) - { - case Prim_Polylist: - { - BOOST_FOREACH( size_t i, pVCount) - expectedPointCount += i; - break; - } - case Prim_Lines: - expectedPointCount = 2 * pNumPrimitives; - break; - case Prim_Triangles: - expectedPointCount = 3 * pNumPrimitives; - break; - default: - // other primitive types don't state the index count upfront... we need to guess - break; - } - - // and read all indices into a temporary array - std::vector indices; - if( expectedPointCount > 0) - indices.reserve( expectedPointCount * numOffsets); - - if (pNumPrimitives > 0) // It is possible to not contain any indicies - { - const char* content = GetTextContent(); - while( *content != 0) - { - // read a value. - // Hack: (thom) Some exporters put negative indices sometimes. We just try to carry on anyways. - int value = std::max( 0, strtol10( content, &content)); - indices.push_back( size_t( value)); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - } - - // complain if the index count doesn't fit - if( expectedPointCount > 0 && indices.size() != expectedPointCount * numOffsets) - ThrowException( "Expected different index count in

element."); - else if( expectedPointCount == 0 && (indices.size() % numOffsets) != 0) - ThrowException( "Expected different index count in

element."); - - // find the data for all sources - for( std::vector::iterator it = pMesh->mPerVertexData.begin(); it != pMesh->mPerVertexData.end(); ++it) - { - InputChannel& input = *it; - if( input.mResolved) - continue; - - // find accessor - input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor); - // resolve accessor's data pointer as well, if neccessary - const Accessor* acc = input.mResolved; - if( !acc->mData) - acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource); - } - // and the same for the per-index channels - for( std::vector::iterator it = pPerIndexChannels.begin(); it != pPerIndexChannels.end(); ++it) - { - InputChannel& input = *it; - if( input.mResolved) - continue; - - // ignore vertex pointer, it doesn't refer to an accessor - if( input.mType == IT_Vertex) - { - // warn if the vertex channel does not refer to the element in the same mesh - if( input.mAccessor != pMesh->mVertexID) - ThrowException( "Unsupported vertex referencing scheme."); - continue; - } - - // find accessor - input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor); - // resolve accessor's data pointer as well, if neccessary - const Accessor* acc = input.mResolved; - if( !acc->mData) - acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource); - } - - // For continued primitives, the given count does not come all in one

, but only one primitive per

- size_t numPrimitives = pNumPrimitives; - if( pPrimType == Prim_TriFans || pPrimType == Prim_Polygon) - numPrimitives = 1; - // For continued primitives, the given count is actually the number of

's inside the parent tag - if ( pPrimType == Prim_TriStrips){ - size_t numberOfVertices = indices.size() / numOffsets; - numPrimitives = numberOfVertices - 2; - } - - pMesh->mFaceSize.reserve( numPrimitives); - pMesh->mFacePosIndices.reserve( indices.size() / numOffsets); - - size_t polylistStartVertex = 0; - for (size_t currentPrimitive = 0; currentPrimitive < numPrimitives; currentPrimitive++) - { - // determine number of points for this primitive - size_t numPoints = 0; - switch( pPrimType) - { - case Prim_Lines: - numPoints = 2; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - case Prim_Triangles: - numPoints = 3; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - case Prim_TriStrips: - numPoints = 3; - ReadPrimTriStrips(numOffsets, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - case Prim_Polylist: - numPoints = pVCount[currentPrimitive]; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(polylistStartVertex + currentVertex, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, 0, indices); - polylistStartVertex += numPoints; - break; - case Prim_TriFans: - case Prim_Polygon: - numPoints = indices.size() / numOffsets; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - default: - // LineStrip is not supported due to expected index unmangling - ThrowException( "Unsupported primitive type."); - break; - } - - // store the face size to later reconstruct the face from - pMesh->mFaceSize.push_back( numPoints); - } - - // if I ever get my hands on that guy who invented this steaming pile of indirection... - TestClosing( "p"); - return numPrimitives; -} - -void ColladaParser::CopyVertex(size_t currentVertex, size_t numOffsets, size_t numPoints, size_t perVertexOffset, Mesh* pMesh, std::vector& pPerIndexChannels, size_t currentPrimitive, const std::vector& indices){ - // calculate the base offset of the vertex whose attributes we ant to copy - size_t baseOffset = currentPrimitive * numOffsets * numPoints + currentVertex * numOffsets; - - // don't overrun the boundaries of the index list - size_t maxIndexRequested = baseOffset + numOffsets - 1; - ai_assert(maxIndexRequested < indices.size()); - - // extract per-vertex channels using the global per-vertex offset - for (std::vector::iterator it = pMesh->mPerVertexData.begin(); it != pMesh->mPerVertexData.end(); ++it) - ExtractDataObjectFromChannel(*it, indices[baseOffset + perVertexOffset], pMesh); - // and extract per-index channels using there specified offset - for (std::vector::iterator it = pPerIndexChannels.begin(); it != pPerIndexChannels.end(); ++it) - ExtractDataObjectFromChannel(*it, indices[baseOffset + it->mOffset], pMesh); - - // store the vertex-data index for later assignment of bone vertex weights - pMesh->mFacePosIndices.push_back(indices[baseOffset + perVertexOffset]); -} - -void ColladaParser::ReadPrimTriStrips(size_t numOffsets, size_t perVertexOffset, Mesh* pMesh, std::vector& pPerIndexChannels, size_t currentPrimitive, const std::vector& indices){ - if (currentPrimitive % 2 != 0){ - //odd tristrip triangles need their indices mangled, to preserve winding direction - CopyVertex(1, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(0, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(2, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - } - else {//for non tristrips or even tristrip triangles - CopyVertex(0, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(1, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(2, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - } -} - -// ------------------------------------------------------------------------------------------------ -// Extracts a single object from an input channel and stores it in the appropriate mesh data array -void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, size_t pLocalIndex, Mesh* pMesh) -{ - // ignore vertex referrer - we handle them that separate - if( pInput.mType == IT_Vertex) - return; - - const Accessor& acc = *pInput.mResolved; - if( pLocalIndex >= acc.mCount) - ThrowException( boost::str( boost::format( "Invalid data index (%d/%d) in primitive specification") % pLocalIndex % acc.mCount)); - - // get a pointer to the start of the data object referred to by the accessor and the local index - const float* dataObject = &(acc.mData->mValues[0]) + acc.mOffset + pLocalIndex* acc.mStride; - - // assemble according to the accessors component sub-offset list. We don't care, yet, - // what kind of object exactly we're extracting here - float obj[4]; - for( size_t c = 0; c < 4; ++c) - obj[c] = dataObject[acc.mSubOffset[c]]; - - // now we reinterpret it according to the type we're reading here - switch( pInput.mType) - { - case IT_Position: // ignore all position streams except 0 - there can be only one position - if( pInput.mIndex == 0) - pMesh->mPositions.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex position stream supported"); - break; - case IT_Normal: - // pad to current vertex count if necessary - if( pMesh->mNormals.size() < pMesh->mPositions.size()-1) - pMesh->mNormals.insert( pMesh->mNormals.end(), pMesh->mPositions.size() - pMesh->mNormals.size() - 1, aiVector3D( 0, 1, 0)); - - // ignore all normal streams except 0 - there can be only one normal - if( pInput.mIndex == 0) - pMesh->mNormals.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex normal stream supported"); - break; - case IT_Tangent: - // pad to current vertex count if necessary - if( pMesh->mTangents.size() < pMesh->mPositions.size()-1) - pMesh->mTangents.insert( pMesh->mTangents.end(), pMesh->mPositions.size() - pMesh->mTangents.size() - 1, aiVector3D( 1, 0, 0)); - - // ignore all tangent streams except 0 - there can be only one tangent - if( pInput.mIndex == 0) - pMesh->mTangents.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex tangent stream supported"); - break; - case IT_Bitangent: - // pad to current vertex count if necessary - if( pMesh->mBitangents.size() < pMesh->mPositions.size()-1) - pMesh->mBitangents.insert( pMesh->mBitangents.end(), pMesh->mPositions.size() - pMesh->mBitangents.size() - 1, aiVector3D( 0, 0, 1)); - - // ignore all bitangent streams except 0 - there can be only one bitangent - if( pInput.mIndex == 0) - pMesh->mBitangents.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex bitangent stream supported"); - break; - case IT_Texcoord: - // up to 4 texture coord sets are fine, ignore the others - if( pInput.mIndex < AI_MAX_NUMBER_OF_TEXTURECOORDS) - { - // pad to current vertex count if necessary - if( pMesh->mTexCoords[pInput.mIndex].size() < pMesh->mPositions.size()-1) - pMesh->mTexCoords[pInput.mIndex].insert( pMesh->mTexCoords[pInput.mIndex].end(), - pMesh->mPositions.size() - pMesh->mTexCoords[pInput.mIndex].size() - 1, aiVector3D( 0, 0, 0)); - - pMesh->mTexCoords[pInput.mIndex].push_back( aiVector3D( obj[0], obj[1], obj[2])); - if (0 != acc.mSubOffset[2] || 0 != acc.mSubOffset[3]) /* hack ... consider cleaner solution */ - pMesh->mNumUVComponents[pInput.mIndex]=3; - } else - { - DefaultLogger::get()->error("Collada: too many texture coordinate sets. Skipping."); - } - break; - case IT_Color: - // up to 4 color sets are fine, ignore the others - if( pInput.mIndex < AI_MAX_NUMBER_OF_COLOR_SETS) - { - // pad to current vertex count if necessary - if( pMesh->mColors[pInput.mIndex].size() < pMesh->mPositions.size()-1) - pMesh->mColors[pInput.mIndex].insert( pMesh->mColors[pInput.mIndex].end(), - pMesh->mPositions.size() - pMesh->mColors[pInput.mIndex].size() - 1, aiColor4D( 0, 0, 0, 1)); - - aiColor4D result(0, 0, 0, 1); - for (size_t i = 0; i < pInput.mResolved->mSize; ++i) - { - result[i] = obj[pInput.mResolved->mSubOffset[i]]; - } - pMesh->mColors[pInput.mIndex].push_back(result); - } else - { - DefaultLogger::get()->error("Collada: too many vertex color sets. Skipping."); - } - - break; - default: - // IT_Invalid and IT_Vertex - ai_assert(false && "shouldn't ever get here"); - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the library of node hierarchies and scene parts -void ColladaParser::ReadSceneLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // a visual scene - generate root node under its ID and let ReadNode() do the recursive work - if( IsElement( "visual_scene")) - { - // read ID. Is optional according to the spec, but how on earth should a scene_instance refer to it then? - int indexID = GetAttribute( "id"); - const char* attrID = mReader->getAttributeValue( indexID); - - // read name if given. - int indexName = TestAttribute( "name"); - const char* attrName = "unnamed"; - if( indexName > -1) - attrName = mReader->getAttributeValue( indexName); - - // create a node and store it in the library under its ID - Node* node = new Node; - node->mID = attrID; - node->mName = attrName; - mNodeLibrary[node->mID] = node; - - ReadSceneNode( node); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_visual_scenes") == 0) - //ThrowException( "Expected end of \"library_visual_scenes\" element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a scene node's contents including children and stores it in the given node -void ColladaParser::ReadSceneNode( Node* pNode) -{ - // quit immediately on elements - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "node")) - { - Node* child = new Node; - int attrID = TestAttribute( "id"); - if( attrID > -1) - child->mID = mReader->getAttributeValue( attrID); - int attrSID = TestAttribute( "sid"); - if( attrSID > -1) - child->mSID = mReader->getAttributeValue( attrSID); - - int attrName = TestAttribute( "name"); - if( attrName > -1) - child->mName = mReader->getAttributeValue( attrName); - - // TODO: (thom) support SIDs - // ai_assert( TestAttribute( "sid") == -1); - - if (pNode) - { - pNode->mChildren.push_back( child); - child->mParent = pNode; - } - else - { - // no parent node given, probably called from element. - // create new node in node library - mNodeLibrary[child->mID] = child; - } - - // read on recursively from there - ReadSceneNode( child); - continue; - } - // For any further stuff we need a valid node to work on - else if (!pNode) - continue; - - if( IsElement( "lookat")) - ReadNodeTransformation( pNode, TF_LOOKAT); - else if( IsElement( "matrix")) - ReadNodeTransformation( pNode, TF_MATRIX); - else if( IsElement( "rotate")) - ReadNodeTransformation( pNode, TF_ROTATE); - else if( IsElement( "scale")) - ReadNodeTransformation( pNode, TF_SCALE); - else if( IsElement( "skew")) - ReadNodeTransformation( pNode, TF_SKEW); - else if( IsElement( "translate")) - ReadNodeTransformation( pNode, TF_TRANSLATE); - else if( IsElement( "render") && pNode->mParent == NULL && 0 == pNode->mPrimaryCamera.length()) - { - // ... scene evaluation or, in other words, postprocessing pipeline, - // or, again in other words, a turing-complete description how to - // render a Collada scene. The only thing that is interesting for - // us is the primary camera. - int attrId = TestAttribute("camera_node"); - if (-1 != attrId) - { - const char* s = mReader->getAttributeValue(attrId); - if (s[0] != '#') - DefaultLogger::get()->error("Collada: Unresolved reference format of camera"); - else - pNode->mPrimaryCamera = s+1; - } - } - else if( IsElement( "instance_node")) - { - // find the node in the library - int attrID = TestAttribute( "url"); - if( attrID != -1) - { - const char* s = mReader->getAttributeValue(attrID); - if (s[0] != '#') - DefaultLogger::get()->error("Collada: Unresolved reference format of node"); - else - { - pNode->mNodeInstances.push_back(NodeInstance()); - pNode->mNodeInstances.back().mNode = s+1; - } - } - } - else if( IsElement( "instance_geometry") || IsElement( "instance_controller")) - { - // Reference to a mesh or controller, with possible material associations - ReadNodeGeometry( pNode); - } - else if( IsElement( "instance_light")) - { - // Reference to a light, name given in 'url' attribute - int attrID = TestAttribute("url"); - if (-1 == attrID) - DefaultLogger::get()->warn("Collada: Expected url attribute in element"); - else - { - const char* url = mReader->getAttributeValue( attrID); - if( url[0] != '#') - ThrowException( "Unknown reference format in element"); - - pNode->mLights.push_back(LightInstance()); - pNode->mLights.back().mLight = url+1; - } - } - else if( IsElement( "instance_camera")) - { - // Reference to a camera, name given in 'url' attribute - int attrID = TestAttribute("url"); - if (-1 == attrID) - DefaultLogger::get()->warn("Collada: Expected url attribute in element"); - else - { - const char* url = mReader->getAttributeValue( attrID); - if( url[0] != '#') - ThrowException( "Unknown reference format in element"); - - pNode->mCameras.push_back(CameraInstance()); - pNode->mCameras.back().mCamera = url+1; - } - } - else - { - // skip everything else for the moment - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a node transformation entry of the given type and adds it to the given node's transformation list. -void ColladaParser::ReadNodeTransformation( Node* pNode, TransformType pType) -{ - if( mReader->isEmptyElement()) - return; - - std::string tagName = mReader->getNodeName(); - - Transform tf; - tf.mType = pType; - - // read SID - int indexSID = TestAttribute( "sid"); - if( indexSID >= 0) - tf.mID = mReader->getAttributeValue( indexSID); - - // how many parameters to read per transformation type - static const unsigned int sNumParameters[] = { 9, 4, 3, 3, 7, 16 }; - const char* content = GetTextContent(); - - // read as many parameters and store in the transformation - for( unsigned int a = 0; a < sNumParameters[pType]; a++) - { - // read a number - content = fast_atoreal_move( content, tf.f[a]); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - - // place the transformation at the queue of the node - pNode->mTransforms.push_back( tf); - - // and consume the closing tag - TestClosing( tagName.c_str()); -} - -// ------------------------------------------------------------------------------------------------ -// Processes bind_vertex_input and bind elements -void ColladaParser::ReadMaterialVertexInputBinding( Collada::SemanticMappingTable& tbl) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "bind_vertex_input")) - { - Collada::InputSemanticMapEntry vn; - - // effect semantic - int n = GetAttribute("semantic"); - std::string s = mReader->getAttributeValue(n); - - // input semantic - n = GetAttribute("input_semantic"); - vn.mType = GetTypeForSemantic( mReader->getAttributeValue(n) ); - - // index of input set - n = TestAttribute("input_set"); - if (-1 != n) - vn.mSet = mReader->getAttributeValueAsInt(n); - - tbl.mMap[s] = vn; - } - else if( IsElement( "bind")) { - DefaultLogger::get()->warn("Collada: Found unsupported element"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "instance_material") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a mesh reference in a node and adds it to the node's mesh list -void ColladaParser::ReadNodeGeometry( Node* pNode) -{ - // referred mesh is given as an attribute of the element - int attrUrl = GetAttribute( "url"); - const char* url = mReader->getAttributeValue( attrUrl); - if( url[0] != '#') - ThrowException( "Unknown reference format"); - - Collada::MeshInstance instance; - instance.mMeshOrController = url+1; // skipping the leading # - - if( !mReader->isEmptyElement()) - { - // read material associations. Ignore additional elements inbetween - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "instance_material")) - { - // read ID of the geometry subgroup and the target material - int attrGroup = GetAttribute( "symbol"); - std::string group = mReader->getAttributeValue( attrGroup); - int attrMaterial = GetAttribute( "target"); - const char* urlMat = mReader->getAttributeValue( attrMaterial); - Collada::SemanticMappingTable s; - if( urlMat[0] == '#') - urlMat++; - - s.mMatName = urlMat; - - // resolve further material details + THIS UGLY AND NASTY semantic mapping stuff - if( !mReader->isEmptyElement()) - ReadMaterialVertexInputBinding(s); - - // store the association - instance.mMaterials[group] = s; - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "instance_geometry") == 0 - || strcmp( mReader->getNodeName(), "instance_controller") == 0) - break; - } - } - } - - // store it - pNode->mMeshes.push_back( instance); -} - -// ------------------------------------------------------------------------------------------------ -// Reads the collada scene -void ColladaParser::ReadScene() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "instance_visual_scene")) - { - // should be the first and only occurence - if( mRootNode) - ThrowException( "Invalid scene containing multiple root nodes in element"); - - // read the url of the scene to instance. Should be of format "#some_name" - int urlIndex = GetAttribute( "url"); - const char* url = mReader->getAttributeValue( urlIndex); - if( url[0] != '#') - ThrowException( "Unknown reference format in element"); - - // find the referred scene, skip the leading # - NodeLibrary::const_iterator sit = mNodeLibrary.find( url+1); - if( sit == mNodeLibrary.end()) - ThrowException( "Unable to resolve visual_scene reference \"" + std::string(url) + "\" in element."); - mRootNode = sit->second; - } else { - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){ - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Aborts the file reading with an exception -AI_WONT_RETURN void ColladaParser::ThrowException( const std::string& pError) const -{ - throw DeadlyImportError( boost::str( boost::format( "Collada: %s - %s") % mFileName % pError)); -} - -// ------------------------------------------------------------------------------------------------ -// Skips all data until the end node of the current element -void ColladaParser::SkipElement() -{ - // nothing to skip if it's an - if( mReader->isEmptyElement()) - return; - - // reroute - SkipElement( mReader->getNodeName()); -} - -// ------------------------------------------------------------------------------------------------ -// Skips all data until the end node of the given element -void ColladaParser::SkipElement( const char* pElement) -{ - // copy the current node's name because it'a pointer to the reader's internal buffer, - // which is going to change with the upcoming parsing - std::string element = pElement; - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - if( mReader->getNodeName() == element) - break; - } -} - -// ------------------------------------------------------------------------------------------------ -// Tests for an opening element of the given name, throws an exception if not found -void ColladaParser::TestOpening( const char* pName) -{ - // read element start - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while beginning of <%s> element.") % pName)); - // whitespace in front is ok, just read again if found - if( mReader->getNodeType() == irr::io::EXN_TEXT) - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while reading beginning of <%s> element.") % pName)); - - if( mReader->getNodeType() != irr::io::EXN_ELEMENT || strcmp( mReader->getNodeName(), pName) != 0) - ThrowException( boost::str( boost::format( "Expected start of <%s> element.") % pName)); -} - -// ------------------------------------------------------------------------------------------------ -// Tests for the closing tag of the given element, throws an exception if not found -void ColladaParser::TestClosing( const char* pName) -{ - // check if we're already on the closing tag and return right away - if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END && strcmp( mReader->getNodeName(), pName) == 0) - return; - - // if not, read some more - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while reading end of <%s> element.") % pName)); - // whitespace in front is ok, just read again if found - if( mReader->getNodeType() == irr::io::EXN_TEXT) - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while reading end of <%s> element.") % pName)); - - // but this has the be the closing tag, or we're lost - if( mReader->getNodeType() != irr::io::EXN_ELEMENT_END || strcmp( mReader->getNodeName(), pName) != 0) - ThrowException( boost::str( boost::format( "Expected end of <%s> element.") % pName)); -} - -// ------------------------------------------------------------------------------------------------ -// Returns the index of the named attribute or -1 if not found. Does not throw, therefore useful for optional attributes -int ColladaParser::GetAttribute( const char* pAttr) const -{ - int index = TestAttribute( pAttr); - if( index != -1) - return index; - - // attribute not found -> throw an exception - ThrowException( boost::str( boost::format( "Expected attribute \"%s\" for element <%s>.") % pAttr % mReader->getNodeName())); - return -1; -} - -// ------------------------------------------------------------------------------------------------ -// Tests the present element for the presence of one attribute, returns its index or throws an exception if not found -int ColladaParser::TestAttribute( const char* pAttr) const -{ - for( int a = 0; a < mReader->getAttributeCount(); a++) - if( strcmp( mReader->getAttributeName( a), pAttr) == 0) - return a; - - return -1; -} - -// ------------------------------------------------------------------------------------------------ -// Reads the text contents of an element, throws an exception if not given. Skips leading whitespace. -const char* ColladaParser::GetTextContent() -{ - const char* sz = TestTextContent(); - if(!sz) { - ThrowException( "Invalid contents in element \"n\"."); - } - return sz; -} - -// ------------------------------------------------------------------------------------------------ -// Reads the text contents of an element, returns NULL if not given. Skips leading whitespace. -const char* ColladaParser::TestTextContent() -{ - // present node should be the beginning of an element - if( mReader->getNodeType() != irr::io::EXN_ELEMENT || mReader->isEmptyElement()) - return NULL; - - // read contents of the element - if( !mReader->read() ) - return NULL; - if( mReader->getNodeType() != irr::io::EXN_TEXT) - return NULL; - - // skip leading whitespace - const char* text = mReader->getNodeData(); - SkipSpacesAndLineEnd( &text); - - return text; -} - -// ------------------------------------------------------------------------------------------------ -// Calculates the resulting transformation fromm all the given transform steps -aiMatrix4x4 ColladaParser::CalculateResultTransform( const std::vector& pTransforms) const -{ - aiMatrix4x4 res; - - for( std::vector::const_iterator it = pTransforms.begin(); it != pTransforms.end(); ++it) - { - const Transform& tf = *it; - switch( tf.mType) - { - case TF_LOOKAT: - { - aiVector3D pos( tf.f[0], tf.f[1], tf.f[2]); - aiVector3D dstPos( tf.f[3], tf.f[4], tf.f[5]); - aiVector3D up = aiVector3D( tf.f[6], tf.f[7], tf.f[8]).Normalize(); - aiVector3D dir = aiVector3D( dstPos - pos).Normalize(); - aiVector3D right = (dir ^ up).Normalize(); - - res *= aiMatrix4x4( - right.x, up.x, -dir.x, pos.x, - right.y, up.y, -dir.y, pos.y, - right.z, up.z, -dir.z, pos.z, - 0, 0, 0, 1); - break; - } - case TF_ROTATE: - { - aiMatrix4x4 rot; - float angle = tf.f[3] * float( AI_MATH_PI) / 180.0f; - aiVector3D axis( tf.f[0], tf.f[1], tf.f[2]); - aiMatrix4x4::Rotation( angle, axis, rot); - res *= rot; - break; - } - case TF_TRANSLATE: - { - aiMatrix4x4 trans; - aiMatrix4x4::Translation( aiVector3D( tf.f[0], tf.f[1], tf.f[2]), trans); - res *= trans; - break; - } - case TF_SCALE: - { - aiMatrix4x4 scale( tf.f[0], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[1], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[2], 0.0f, - 0.0f, 0.0f, 0.0f, 1.0f); - res *= scale; - break; - } - case TF_SKEW: - // TODO: (thom) - ai_assert( false); - break; - case TF_MATRIX: - { - aiMatrix4x4 mat( tf.f[0], tf.f[1], tf.f[2], tf.f[3], tf.f[4], tf.f[5], tf.f[6], tf.f[7], - tf.f[8], tf.f[9], tf.f[10], tf.f[11], tf.f[12], tf.f[13], tf.f[14], tf.f[15]); - res *= mat; - break; - } - default: - ai_assert( false); - break; - } - } - - return res; -} - -// ------------------------------------------------------------------------------------------------ -// Determines the input data type for the given semantic string -Collada::InputType ColladaParser::GetTypeForSemantic( const std::string& pSemantic) -{ - if( pSemantic == "POSITION") - return IT_Position; - else if( pSemantic == "TEXCOORD") - return IT_Texcoord; - else if( pSemantic == "NORMAL") - return IT_Normal; - else if( pSemantic == "COLOR") - return IT_Color; - else if( pSemantic == "VERTEX") - return IT_Vertex; - else if( pSemantic == "BINORMAL" || pSemantic == "TEXBINORMAL") - return IT_Bitangent; - else if( pSemantic == "TANGENT" || pSemantic == "TEXTANGENT") - return IT_Tangent; - - DefaultLogger::get()->warn( boost::str( boost::format( "Unknown vertex input type \"%s\". Ignoring.") % pSemantic)); - return IT_Invalid; -} - -#endif // !! ASSIMP_BUILD_NO_DAE_IMPORTER diff --git a/code/ColladaParser upstream.h b/code/ColladaParser upstream.h deleted file mode 100644 index 6f99681be..000000000 --- a/code/ColladaParser upstream.h +++ /dev/null @@ -1,352 +0,0 @@ -/* - Open Asset Import Library (assimp) - ---------------------------------------------------------------------- - - Copyright (c) 2006-2015, assimp team - All rights reserved. - - Redistribution and use of this software 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 the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - - 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. - - ---------------------------------------------------------------------- - */ - -/** @file ColladaParser.h - * @brief Defines the parser helper class for the collada loader - */ - -#ifndef AI_COLLADAPARSER_H_INC -#define AI_COLLADAPARSER_H_INC - -#include "irrXMLWrapper.h" -#include "ColladaHelper.h" -#include "../include/assimp/ai_assert.h" -#include - -namespace Assimp -{ - - // ------------------------------------------------------------------------------------------ - /** Parser helper class for the Collada loader. - * - * Does all the XML reading and builds internal data structures from it, - * but leaves the resolving of all the references to the loader. - */ - class ColladaParser - { - friend class ColladaLoader; - - protected: - /** Constructor from XML file */ - ColladaParser( IOSystem* pIOHandler, const std::string& pFile); - - /** Destructor */ - ~ColladaParser(); - - /** Reads the contents of the file */ - void ReadContents(); - - /** Reads the structure of the file */ - void ReadStructure(); - - /** Reads asset informations such as coordinate system informations and legal blah */ - void ReadAssetInfo(); - - /** Reads the animation library */ - void ReadAnimationLibrary(); - - /** Reads an animation into the given parent structure */ - void ReadAnimation( Collada::Animation* pParent); - - /** Reads an animation sampler into the given anim channel */ - void ReadAnimationSampler( Collada::AnimationChannel& pChannel); - - /** Reads the skeleton controller library */ - void ReadControllerLibrary(); - - /** Reads a controller into the given mesh structure */ - void ReadController( Collada::Controller& pController); - - /** Reads the joint definitions for the given controller */ - void ReadControllerJoints( Collada::Controller& pController); - - /** Reads the joint weights for the given controller */ - void ReadControllerWeights( Collada::Controller& pController); - - /** Reads the image library contents */ - void ReadImageLibrary(); - - /** Reads an image entry into the given image */ - void ReadImage( Collada::Image& pImage); - - /** Reads the material library */ - void ReadMaterialLibrary(); - - /** Reads a material entry into the given material */ - void ReadMaterial( Collada::Material& pMaterial); - - /** Reads the camera library */ - void ReadCameraLibrary(); - - /** Reads a camera entry into the given camera */ - void ReadCamera( Collada::Camera& pCamera); - - /** Reads the light library */ - void ReadLightLibrary(); - - /** Reads a light entry into the given light */ - void ReadLight( Collada::Light& pLight); - - /** Reads the effect library */ - void ReadEffectLibrary(); - - /** Reads an effect entry into the given effect*/ - void ReadEffect( Collada::Effect& pEffect); - - /** Reads an COMMON effect profile */ - void ReadEffectProfileCommon( Collada::Effect& pEffect); - - /** Read sampler properties */ - void ReadSamplerProperties( Collada::Sampler& pSampler); - - /** Reads an effect entry containing a color or a texture defining that color */ - void ReadEffectColor( aiColor4D& pColor, Collada::Sampler& pSampler); - - /** Reads an effect entry containing a float */ - void ReadEffectFloat( float& pFloat); - - /** Reads an effect parameter specification of any kind */ - void ReadEffectParam( Collada::EffectParam& pParam); - - /** Reads the geometry library contents */ - void ReadGeometryLibrary(); - - /** Reads a geometry from the geometry library. */ - void ReadGeometry( Collada::Mesh* pMesh); - - /** Reads a mesh from the geometry library */ - void ReadMesh( Collada::Mesh* pMesh); - - /** Reads a source element - a combination of raw data and an accessor defining - * things that should not be redefinable. Yes, that's another rant. - */ - void ReadSource(); - - /** Reads a data array holding a number of elements, and stores it in the global library. - * Currently supported are array of floats and arrays of strings. - */ - void ReadDataArray(); - - /** Reads an accessor and stores it in the global library under the given ID - - * accessors use the ID of the parent element - */ - void ReadAccessor( const std::string& pID); - - /** Reads input declarations of per-vertex mesh data into the given mesh */ - void ReadVertexData( Collada::Mesh* pMesh); - - /** Reads input declarations of per-index mesh data into the given mesh */ - void ReadIndexData( Collada::Mesh* pMesh); - - /** Reads a single input channel element and stores it in the given array, if valid */ - void ReadInputChannel( std::vector& poChannels); - - /** Reads a

primitive index list and assembles the mesh data into the given mesh */ - size_t ReadPrimitives( Collada::Mesh* pMesh, std::vector& pPerIndexChannels, - size_t pNumPrimitives, const std::vector& pVCount, Collada::PrimitiveType pPrimType); - - /** Copies the data for a single primitive into the mesh, based on the InputChannels */ - void CopyVertex(size_t currentVertex, size_t numOffsets, size_t numPoints, size_t perVertexOffset, - Collada::Mesh* pMesh, std::vector& pPerIndexChannels, - size_t currentPrimitive, const std::vector& indices); - - /** Reads one triangle of a tristrip into the mesh */ - void ReadPrimTriStrips(size_t numOffsets, size_t perVertexOffset, Collada::Mesh* pMesh, - std::vector& pPerIndexChannels, size_t currentPrimitive, const std::vector& indices); - - /** Extracts a single object from an input channel and stores it in the appropriate mesh data array */ - void ExtractDataObjectFromChannel( const Collada::InputChannel& pInput, size_t pLocalIndex, Collada::Mesh* pMesh); - - /** Reads the library of node hierarchies and scene parts */ - void ReadSceneLibrary(); - - /** Reads a scene node's contents including children and stores it in the given node */ - void ReadSceneNode( Collada::Node* pNode); - - /** Reads a node transformation entry of the given type and adds it to the given node's transformation list. */ - void ReadNodeTransformation( Collada::Node* pNode, Collada::TransformType pType); - - /** Reads a mesh reference in a node and adds it to the node's mesh list */ - void ReadNodeGeometry( Collada::Node* pNode); - - /** Reads the collada scene */ - void ReadScene(); - - // Processes bind_vertex_input and bind elements - void ReadMaterialVertexInputBinding( Collada::SemanticMappingTable& tbl); - - protected: - /** Aborts the file reading with an exception */ - AI_WONT_RETURN void ThrowException( const std::string& pError) const AI_WONT_RETURN_SUFFIX; - - /** Skips all data until the end node of the current element */ - void SkipElement(); - - /** Skips all data until the end node of the given element */ - void SkipElement( const char* pElement); - - /** Compares the current xml element name to the given string and returns true if equal */ - bool IsElement( const char* pName) const; - - /** Tests for the opening tag of the given element, throws an exception if not found */ - void TestOpening( const char* pName); - - /** Tests for the closing tag of the given element, throws an exception if not found */ - void TestClosing( const char* pName); - - /** Checks the present element for the presence of the attribute, returns its index - or throws an exception if not found */ - int GetAttribute( const char* pAttr) const; - - /** Returns the index of the named attribute or -1 if not found. Does not throw, - therefore useful for optional attributes */ - int TestAttribute( const char* pAttr) const; - - /** Reads the text contents of an element, throws an exception if not given. - Skips leading whitespace. */ - const char* GetTextContent(); - - /** Reads the text contents of an element, returns NULL if not given. - Skips leading whitespace. */ - const char* TestTextContent(); - - /** Reads a single bool from current text content */ - bool ReadBoolFromTextContent(); - - /** Reads a single float from current text content */ - float ReadFloatFromTextContent(); - - /** Calculates the resulting transformation from all the given transform steps */ - aiMatrix4x4 CalculateResultTransform( const std::vector& pTransforms) const; - - /** Determines the input data type for the given semantic string */ - Collada::InputType GetTypeForSemantic( const std::string& pSemantic); - - /** Finds the item in the given library by its reference, throws if not found */ - template const Type& ResolveLibraryReference( - const std::map& pLibrary, const std::string& pURL) const; - - protected: - /** Filename, for a verbose error message */ - std::string mFileName; - - /** XML reader, member for everyday use */ - irr::io::IrrXMLReader* mReader; - - /** All data arrays found in the file by ID. Might be referred to by actually - everyone. Collada, you are a steaming pile of indirection. */ - typedef std::map DataLibrary; - DataLibrary mDataLibrary; - - /** Same for accessors which define how the data in a data array is accessed. */ - typedef std::map AccessorLibrary; - AccessorLibrary mAccessorLibrary; - - /** Mesh library: mesh by ID */ - typedef std::map MeshLibrary; - MeshLibrary mMeshLibrary; - - /** node library: root node of the hierarchy part by ID */ - typedef std::map NodeLibrary; - NodeLibrary mNodeLibrary; - - /** Image library: stores texture properties by ID */ - typedef std::map ImageLibrary; - ImageLibrary mImageLibrary; - - /** Effect library: surface attributes by ID */ - typedef std::map EffectLibrary; - EffectLibrary mEffectLibrary; - - /** Material library: surface material by ID */ - typedef std::map MaterialLibrary; - MaterialLibrary mMaterialLibrary; - - /** Light library: surface light by ID */ - typedef std::map LightLibrary; - LightLibrary mLightLibrary; - - /** Camera library: surface material by ID */ - typedef std::map CameraLibrary; - CameraLibrary mCameraLibrary; - - /** Controller library: joint controllers by ID */ - typedef std::map ControllerLibrary; - ControllerLibrary mControllerLibrary; - - /** Pointer to the root node. Don't delete, it just points to one of - the nodes in the node library. */ - Collada::Node* mRootNode; - - /** Root animation container */ - Collada::Animation mAnims; - - /** Size unit: how large compared to a meter */ - float mUnitSize; - - /** Which is the up vector */ - enum { UP_X, UP_Y, UP_Z } mUpDirection; - - /** Collada file format version */ - Collada::FormatVersion mFormat; - }; - - // ------------------------------------------------------------------------------------------------ - // Check for element match - inline bool ColladaParser::IsElement( const char* pName) const - { - ai_assert( mReader->getNodeType() == irr::io::EXN_ELEMENT); - return ::strcmp( mReader->getNodeName(), pName) == 0; - } - - // ------------------------------------------------------------------------------------------------ - // Finds the item in the given library by its reference, throws if not found - template - const Type& ColladaParser::ResolveLibraryReference( const std::map& pLibrary, const std::string& pURL) const - { - typename std::map::const_iterator it = pLibrary.find( pURL); - if( it == pLibrary.end()) - ThrowException( boost::str( boost::format( "Unable to resolve library reference \"%s\".") % pURL)); - return it->second; - } - -} // end of namespace Assimp - -#endif // AI_COLLADAPARSER_H_INC diff --git a/code/ColladaParser wil.cpp b/code/ColladaParser wil.cpp deleted file mode 100644 index daea1d70e..000000000 --- a/code/ColladaParser wil.cpp +++ /dev/null @@ -1,2933 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2012, assimp team - -All rights reserved. - -Redistribution and use of this software 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 the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -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. ---------------------------------------------------------------------------- -*/ - -/** @file ColladaParser.cpp - * @brief Implementation of the Collada parser helper - */ - -#include "AssimpPCH.h" -#ifndef ASSIMP_BUILD_NO_COLLADA_IMPORTER - -#include "ColladaParser.h" -#include "fast_atof.h" -#include "ParsingUtils.h" - -using namespace Assimp; -using namespace Assimp::Collada; - -// ------------------------------------------------------------------------------------------------ -// Constructor to be privately used by Importer -ColladaParser::ColladaParser( IOSystem* pIOHandler, const std::string& pFile) - : mFileName( pFile) -{ - mRootNode = NULL; - mUnitSize = 1.0f; - mUpDirection = UP_Y; - - // We assume the newest file format by default - mFormat = FV_1_5_n; - - // open the file - boost::scoped_ptr file( pIOHandler->Open( pFile)); - if( file.get() == NULL) - throw DeadlyImportError( "Failed to open file " + pFile + "."); - - // generate a XML reader for it - boost::scoped_ptr mIOWrapper( new CIrrXML_IOStreamReader( file.get())); - mReader = irr::io::createIrrXMLReader( mIOWrapper.get()); - if( !mReader) - ThrowException( "Collada: Unable to open file."); - - // start reading - ReadContents(); -} - -// ------------------------------------------------------------------------------------------------ -// Destructor, private as well -ColladaParser::~ColladaParser() -{ - delete mReader; - for( NodeLibrary::iterator it = mNodeLibrary.begin(); it != mNodeLibrary.end(); ++it) - delete it->second; - for( MeshLibrary::iterator it = mMeshLibrary.begin(); it != mMeshLibrary.end(); ++it) - delete it->second; -} - -// ------------------------------------------------------------------------------------------------ -// Read bool from text contents of current element -bool ColladaParser::ReadBoolFromTextContent() -{ - const char* cur = GetTextContent(); - return (!ASSIMP_strincmp(cur,"true",4) || '0' != *cur); -} - -// ------------------------------------------------------------------------------------------------ -// Read float from text contents of current element -float ColladaParser::ReadFloatFromTextContent() -{ - const char* cur = GetTextContent(); - return fast_atof(cur); -} - -// ------------------------------------------------------------------------------------------------ -// Reads the contents of the file -void ColladaParser::ReadContents() -{ - while( mReader->read()) - { - // handle the root element "COLLADA" - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "COLLADA")) - { - // check for 'version' attribute - const int attrib = TestAttribute("version"); - if (attrib != -1) { - const char* version = mReader->getAttributeValue(attrib); - - if (!::strncmp(version,"1.5",3)) { - mFormat = FV_1_5_n; - DefaultLogger::get()->debug("Collada schema version is 1.5.n"); - } - else if (!::strncmp(version,"1.4",3)) { - mFormat = FV_1_4_n; - DefaultLogger::get()->debug("Collada schema version is 1.4.n"); - } - else if (!::strncmp(version,"1.3",3)) { - mFormat = FV_1_3_n; - DefaultLogger::get()->debug("Collada schema version is 1.3.n"); - } - } - - ReadStructure(); - } else - { - DefaultLogger::get()->debug( boost::str( boost::format( "Ignoring global element <%s>.") % mReader->getNodeName())); - SkipElement(); - } - } else - { - // skip everything else silently - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the structure of the file -void ColladaParser::ReadStructure() -{ - while( mReader->read()) - { - // beginning of elements - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "asset")) - ReadAssetInfo(); - else if( IsElement( "library_animations")) - ReadAnimationLibrary(); - else if( IsElement( "library_controllers")) - ReadControllerLibrary(); - else if( IsElement( "library_images")) - ReadImageLibrary(); - else if( IsElement( "library_materials")) - ReadMaterialLibrary(); - else if( IsElement( "library_effects")) - ReadEffectLibrary(); - else if( IsElement( "library_geometries")) - ReadGeometryLibrary(); - else if( IsElement( "library_visual_scenes")) - ReadSceneLibrary(); - else if( IsElement( "library_lights")) - ReadLightLibrary(); - else if( IsElement( "library_cameras")) - ReadCameraLibrary(); - else if( IsElement( "library_nodes")) - ReadSceneNode(NULL); /* some hacking to reuse this piece of code */ - else if( IsElement( "scene")) - ReadScene(); - else - SkipElement(); - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads asset informations such as coordinate system informations and legal blah -void ColladaParser::ReadAssetInfo() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "unit")) - { - // read unit data from the element's attributes - const int attrIndex = TestAttribute( "meter"); - if (attrIndex == -1) { - mUnitSize = 1.f; - } - else { - mUnitSize = mReader->getAttributeValueAsFloat( attrIndex); - } - - // consume the trailing stuff - if( !mReader->isEmptyElement()) - SkipElement(); - } - else if( IsElement( "up_axis")) - { - // read content, strip whitespace, compare - const char* content = GetTextContent(); - if( strncmp( content, "X_UP", 4) == 0) - mUpDirection = UP_X; - else if( strncmp( content, "Z_UP", 4) == 0) - mUpDirection = UP_Z; - else - mUpDirection = UP_Y; - - // check element end - TestClosing( "up_axis"); - } else - { - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "asset") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the animation library -void ColladaParser::ReadAnimationLibrary() -{ - if (mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "animation")) - { - // delegate the reading. Depending on the inner elements it will be a container or a anim channel - ReadAnimation( &mAnims); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_animations") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an animation into the given parent structure -void ColladaParser::ReadAnimation( Collada::Animation* pParent) -{ - if( mReader->isEmptyElement()) - return; - - // an element may be a container for grouping sub-elements or an animation channel - // this is the channel collection by ID, in case it has channels - typedef std::map ChannelMap; - ChannelMap channels; - // this is the anim container in case we're a container - Animation* anim = NULL; - - // optional name given as an attribute - std::string animName; - int indexName = TestAttribute( "name"); - int indexID = TestAttribute( "id"); - if( indexName >= 0) - animName = mReader->getAttributeValue( indexName); - else if( indexID >= 0) - animName = mReader->getAttributeValue( indexID); - else - animName = "animation"; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // we have subanimations - if( IsElement( "animation")) - { - // create container from our element - if( !anim) - { - anim = new Animation; - anim->mName = animName; - pParent->mSubAnims.push_back( anim); - } - - // recurse into the subelement - ReadAnimation( anim); - } - else if( IsElement( "source")) - { - // possible animation data - we'll never know. Better store it - ReadSource(); - } - else if( IsElement( "sampler")) - { - // read the ID to assign the corresponding collada channel afterwards. - int indexID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( indexID); - ChannelMap::iterator newChannel = channels.insert( std::make_pair( id, AnimationChannel())).first; - - // have it read into a channel - ReadAnimationSampler( newChannel->second); - } - else if( IsElement( "channel")) - { - // the binding element whose whole purpose is to provide the target to animate - // Thanks, Collada! A directly posted information would have been too simple, I guess. - // Better add another indirection to that! Can't have enough of those. - int indexTarget = GetAttribute( "target"); - int indexSource = GetAttribute( "source"); - const char* sourceId = mReader->getAttributeValue( indexSource); - if( sourceId[0] == '#') - sourceId++; - ChannelMap::iterator cit = channels.find( sourceId); - if( cit != channels.end()) - cit->second.mTarget = mReader->getAttributeValue( indexTarget); - - if( !mReader->isEmptyElement()) - SkipElement(); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "animation") != 0) - ThrowException( "Expected end of element."); - - break; - } - } - - // it turned out to have channels - add them - if( !channels.empty()) - { - // special filtering for stupid exporters packing each channel into a separate animation - if( channels.size() == 1) - { - pParent->mChannels.push_back( channels.begin()->second); - } else - { - // else create the animation, if not done yet, and store the channels - if( !anim) - { - anim = new Animation; - anim->mName = animName; - pParent->mSubAnims.push_back( anim); - } - for( ChannelMap::const_iterator it = channels.begin(); it != channels.end(); ++it) - anim->mChannels.push_back( it->second); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an animation sampler into the given anim channel -void ColladaParser::ReadAnimationSampler( Collada::AnimationChannel& pChannel) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "input")) - { - int indexSemantic = GetAttribute( "semantic"); - const char* semantic = mReader->getAttributeValue( indexSemantic); - int indexSource = GetAttribute( "source"); - const char* source = mReader->getAttributeValue( indexSource); - if( source[0] != '#') - ThrowException( "Unsupported URL format"); - source++; - - if( strcmp( semantic, "INPUT") == 0) - pChannel.mSourceTimes = source; - else if( strcmp( semantic, "OUTPUT") == 0) - pChannel.mSourceValues = source; - - if( !mReader->isEmptyElement()) - SkipElement(); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "sampler") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the skeleton controller library -void ColladaParser::ReadControllerLibrary() -{ - if (mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "controller")) - { - // read ID. Ask the spec if it's neccessary or optional... you might be surprised. - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mControllerLibrary[id] = Controller(); - - // read on from there - ReadController( mControllerLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_controllers") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a controller into the given mesh structure -void ColladaParser::ReadController( Collada::Controller& pController) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // two types of controllers: "skin" and "morph". Only the first one is relevant, we skip the other - if( IsElement( "morph")) - { - // should skip everything inside, so there's no danger of catching elements inbetween - SkipElement(); - } - else if( IsElement( "skin")) - { - // read the mesh it refers to. According to the spec this could also be another - // controller, but I refuse to implement every single idea they've come up with - int sourceIndex = GetAttribute( "source"); - pController.mMeshId = mReader->getAttributeValue( sourceIndex) + 1; - } - else if( IsElement( "bind_shape_matrix")) - { - // content is 16 floats to define a matrix... it seems to be important for some models - const char* content = GetTextContent(); - - // read the 16 floats - for( unsigned int a = 0; a < 16; a++) - { - // read a number - content = fast_atoreal_move( content, pController.mBindShapeMatrix[a]); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - - TestClosing( "bind_shape_matrix"); - } - else if( IsElement( "source")) - { - // data array - we have specialists to handle this - ReadSource(); - } - else if( IsElement( "joints")) - { - ReadControllerJoints( pController); - } - else if( IsElement( "vertex_weights")) - { - ReadControllerWeights( pController); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "controller") == 0) - break; - else if( strcmp( mReader->getNodeName(), "skin") != 0) - ThrowException( "Expected end of element."); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the joint definitions for the given controller -void ColladaParser::ReadControllerJoints( Collada::Controller& pController) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // Input channels for joint data. Two possible semantics: "JOINT" and "INV_BIND_MATRIX" - if( IsElement( "input")) - { - int indexSemantic = GetAttribute( "semantic"); - const char* attrSemantic = mReader->getAttributeValue( indexSemantic); - int indexSource = GetAttribute( "source"); - const char* attrSource = mReader->getAttributeValue( indexSource); - - // local URLS always start with a '#'. We don't support global URLs - if( attrSource[0] != '#') - ThrowException( boost::str( boost::format( "Unsupported URL format in \"%s\" in source attribute of data element") % attrSource)); - attrSource++; - - // parse source URL to corresponding source - if( strcmp( attrSemantic, "JOINT") == 0) - pController.mJointNameSource = attrSource; - else if( strcmp( attrSemantic, "INV_BIND_MATRIX") == 0) - pController.mJointOffsetMatrixSource = attrSource; - else - ThrowException( boost::str( boost::format( "Unknown semantic \"%s\" in data element") % attrSemantic)); - - // skip inner data, if present - if( !mReader->isEmptyElement()) - SkipElement(); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "joints") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the joint weights for the given controller -void ColladaParser::ReadControllerWeights( Collada::Controller& pController) -{ - // read vertex count from attributes and resize the array accordingly - int indexCount = GetAttribute( "count"); - size_t vertexCount = (size_t) mReader->getAttributeValueAsInt( indexCount); - pController.mWeightCounts.resize( vertexCount); - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // Input channels for weight data. Two possible semantics: "JOINT" and "WEIGHT" - if( IsElement( "input") && vertexCount > 0 ) - { - InputChannel channel; - - int indexSemantic = GetAttribute( "semantic"); - const char* attrSemantic = mReader->getAttributeValue( indexSemantic); - int indexSource = GetAttribute( "source"); - const char* attrSource = mReader->getAttributeValue( indexSource); - int indexOffset = TestAttribute( "offset"); - if( indexOffset >= 0) - channel.mOffset = mReader->getAttributeValueAsInt( indexOffset); - - // local URLS always start with a '#'. We don't support global URLs - if( attrSource[0] != '#') - ThrowException( boost::str( boost::format( "Unsupported URL format in \"%s\" in source attribute of data element") % attrSource)); - channel.mAccessor = attrSource + 1; - - // parse source URL to corresponding source - if( strcmp( attrSemantic, "JOINT") == 0) - pController.mWeightInputJoints = channel; - else if( strcmp( attrSemantic, "WEIGHT") == 0) - pController.mWeightInputWeights = channel; - else - ThrowException( boost::str( boost::format( "Unknown semantic \"%s\" in data element") % attrSemantic)); - - // skip inner data, if present - if( !mReader->isEmptyElement()) - SkipElement(); - } - else if( IsElement( "vcount") && vertexCount > 0 ) - { - // read weight count per vertex - const char* text = GetTextContent(); - size_t numWeights = 0; - for( std::vector::iterator it = pController.mWeightCounts.begin(); it != pController.mWeightCounts.end(); ++it) - { - if( *text == 0) - ThrowException( "Out of data while reading "); - - *it = strtoul10( text, &text); - numWeights += *it; - SkipSpacesAndLineEnd( &text); - } - - TestClosing( "vcount"); - - // reserve weight count - pController.mWeights.resize( numWeights); - } - else if( IsElement( "v") && vertexCount > 0 ) - { - // read JointIndex - WeightIndex pairs - const char* text = GetTextContent(); - - for( std::vector< std::pair >::iterator it = pController.mWeights.begin(); it != pController.mWeights.end(); ++it) - { - if( *text == 0) - ThrowException( "Out of data while reading "); - it->first = strtoul10( text, &text); - SkipSpacesAndLineEnd( &text); - if( *text == 0) - ThrowException( "Out of data while reading "); - it->second = strtoul10( text, &text); - SkipSpacesAndLineEnd( &text); - } - - TestClosing( "v"); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "vertex_weights") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the image library contents -void ColladaParser::ReadImageLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "image")) - { - // read ID. Another entry which is "optional" by design but obligatory in reality - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mImageLibrary[id] = Image(); - - // read on from there - ReadImage( mImageLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_images") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an image entry into the given image -void ColladaParser::ReadImage( Collada::Image& pImage) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT){ - // Need to run different code paths here, depending on the Collada XSD version - if (IsElement("image")) { - SkipElement(); - } - else if( IsElement( "init_from")) - { - if (mFormat == FV_1_4_n) - { - // FIX: C4D exporter writes empty tags - if (!mReader->isEmptyElement()) { - // element content is filename - hopefully - const char* sz = TestTextContent(); - if (sz)pImage.mFileName = sz; - TestClosing( "init_from"); - } - if (!pImage.mFileName.length()) { - pImage.mFileName = "unknown_texture"; - } - } - else if (mFormat == FV_1_5_n) - { - // make sure we skip over mip and array initializations, which - // we don't support, but which could confuse the loader if - // they're not skipped. - int attrib = TestAttribute("array_index"); - if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) { - DefaultLogger::get()->warn("Collada: Ignoring texture array index"); - continue; - } - - attrib = TestAttribute("mip_index"); - if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) { - DefaultLogger::get()->warn("Collada: Ignoring MIP map layer"); - continue; - } - - // TODO: correctly jump over cube and volume maps? - } - } - else if (mFormat == FV_1_5_n) - { - if( IsElement( "ref")) - { - // element content is filename - hopefully - const char* sz = TestTextContent(); - if (sz)pImage.mFileName = sz; - TestClosing( "ref"); - } - else if( IsElement( "hex") && !pImage.mFileName.length()) - { - // embedded image. get format - const int attrib = TestAttribute("format"); - if (-1 == attrib) - DefaultLogger::get()->warn("Collada: Unknown image file format"); - else pImage.mEmbeddedFormat = mReader->getAttributeValue(attrib); - - const char* data = GetTextContent(); - - // hexadecimal-encoded binary octets. First of all, find the - // required buffer size to reserve enough storage. - const char* cur = data; - while (!IsSpaceOrNewLine(*cur)) cur++; - - const unsigned int size = (unsigned int)(cur-data) * 2; - pImage.mImageData.resize(size); - for (unsigned int i = 0; i < size;++i) - pImage.mImageData[i] = HexOctetToDecimal(data+(i<<1)); - - TestClosing( "hex"); - } - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "image") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the material library -void ColladaParser::ReadMaterialLibrary() -{ - if( mReader->isEmptyElement()) - return; - - std::map names; - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "material")) - { - // read ID. By now you propably know my opinion about this "specification" - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - std::string name; - int attrName = TestAttribute("name"); - if (attrName >= 0) - name = mReader->getAttributeValue( attrName); - - // create an entry and store it in the library under its ID - mMaterialLibrary[id] = Material(); - - if( !name.empty()) - { - std::map::iterator it = names.find( name); - if( it != names.end()) - { - std::ostringstream strStream; - strStream << ++it->second; - name.append( " " + strStream.str()); - } - else - { - names[name] = 0; - } - - mMaterialLibrary[id].mName = name; - } - - ReadMaterial( mMaterialLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_materials") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the light library -void ColladaParser::ReadLightLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "light")) - { - // read ID. By now you propably know my opinion about this "specification" - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - ReadLight(mLightLibrary[id] = Light()); - - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_lights") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the camera library -void ColladaParser::ReadCameraLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "camera")) - { - // read ID. By now you propably know my opinion about this "specification" - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - Camera& cam = mCameraLibrary[id]; - attrID = TestAttribute( "name"); - if (attrID != -1) - cam.mName = mReader->getAttributeValue( attrID); - - ReadCamera(cam); - - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_cameras") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a material entry into the given material -void ColladaParser::ReadMaterial( Collada::Material& pMaterial) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if (IsElement("material")) { - SkipElement(); - } - else if( IsElement( "instance_effect")) - { - // referred effect by URL - int attrUrl = GetAttribute( "url"); - const char* url = mReader->getAttributeValue( attrUrl); - if( url[0] != '#') - ThrowException( "Unknown reference format"); - - pMaterial.mEffect = url+1; - - SkipElement(); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "material") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a light entry into the given light -void ColladaParser::ReadLight( Collada::Light& pLight) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if (IsElement("light")) { - SkipElement(); - } - else if (IsElement("spot")) { - pLight.mType = aiLightSource_SPOT; - } - else if (IsElement("ambient")) { - pLight.mType = aiLightSource_AMBIENT; - } - else if (IsElement("directional")) { - pLight.mType = aiLightSource_DIRECTIONAL; - } - else if (IsElement("point")) { - pLight.mType = aiLightSource_POINT; - } - else if (IsElement("color")) { - // text content contains 3 floats - const char* content = GetTextContent(); - - content = fast_atoreal_move( content, (float&)pLight.mColor.r); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pLight.mColor.g); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pLight.mColor.b); - SkipSpacesAndLineEnd( &content); - - TestClosing( "color"); - } - else if (IsElement("constant_attenuation")) { - pLight.mAttConstant = ReadFloatFromTextContent(); - TestClosing("constant_attenuation"); - } - else if (IsElement("linear_attenuation")) { - pLight.mAttLinear = ReadFloatFromTextContent(); - TestClosing("linear_attenuation"); - } - else if (IsElement("quadratic_attenuation")) { - pLight.mAttQuadratic = ReadFloatFromTextContent(); - TestClosing("quadratic_attenuation"); - } - else if (IsElement("falloff_angle")) { - pLight.mFalloffAngle = ReadFloatFromTextContent(); - TestClosing("falloff_angle"); - } - else if (IsElement("falloff_exponent")) { - pLight.mFalloffExponent = ReadFloatFromTextContent(); - TestClosing("falloff_exponent"); - } - // FCOLLADA extensions - // ------------------------------------------------------- - else if (IsElement("outer_cone")) { - pLight.mOuterAngle = ReadFloatFromTextContent(); - TestClosing("outer_cone"); - } - // ... and this one is even deprecated - else if (IsElement("penumbra_angle")) { - pLight.mPenumbraAngle = ReadFloatFromTextContent(); - TestClosing("penumbra_angle"); - } - else if (IsElement("intensity")) { - pLight.mIntensity = ReadFloatFromTextContent(); - TestClosing("intensity"); - } - else if (IsElement("falloff")) { - pLight.mOuterAngle = ReadFloatFromTextContent(); - TestClosing("falloff"); - } - else if (IsElement("hotspot_beam")) { - pLight.mFalloffAngle = ReadFloatFromTextContent(); - TestClosing("hotspot_beam"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "light") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a camera entry into the given light -void ColladaParser::ReadCamera( Collada::Camera& pCamera) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if (IsElement("camera")) { - SkipElement(); - } - else if (IsElement("orthographic")) { - pCamera.mOrtho = true; - } - else if (IsElement("xfov") || IsElement("xmag")) { - pCamera.mHorFov = ReadFloatFromTextContent(); - TestClosing((pCamera.mOrtho ? "xmag" : "xfov")); - } - else if (IsElement("yfov") || IsElement("ymag")) { - pCamera.mVerFov = ReadFloatFromTextContent(); - TestClosing((pCamera.mOrtho ? "ymag" : "yfov")); - } - else if (IsElement("aspect_ratio")) { - pCamera.mAspect = ReadFloatFromTextContent(); - TestClosing("aspect_ratio"); - } - else if (IsElement("znear")) { - pCamera.mZNear = ReadFloatFromTextContent(); - TestClosing("znear"); - } - else if (IsElement("zfar")) { - pCamera.mZFar = ReadFloatFromTextContent(); - TestClosing("zfar"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "camera") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the effect library -void ColladaParser::ReadEffectLibrary() -{ - if (mReader->isEmptyElement()) { - return; - } - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "effect")) - { - // read ID. Do I have to repeat my ranting about "optional" attributes? - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mEffectLibrary[id] = Effect(); - // read on from there - ReadEffect( mEffectLibrary[id]); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "library_effects") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect entry into the given effect -void ColladaParser::ReadEffect( Collada::Effect& pEffect) -{ - // for the moment we don't support any other type of effect. - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "profile_COMMON")) - ReadEffectProfileCommon( pEffect); - else - SkipElement(); - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "effect") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an COMMON effect profile -void ColladaParser::ReadEffectProfileCommon( Collada::Effect& pEffect) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "newparam")) { - // save ID - int attrSID = GetAttribute( "sid"); - std::string sid = mReader->getAttributeValue( attrSID); - pEffect.mParams[sid] = EffectParam(); - ReadEffectParam( pEffect.mParams[sid]); - } - else if( IsElement( "technique") || IsElement( "extra")) - { - // just syntactic sugar - } - - else if( mFormat == FV_1_4_n && IsElement( "image")) - { - // read ID. Another entry which is "optional" by design but obligatory in reality - int attrID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( attrID); - - // create an entry and store it in the library under its ID - mImageLibrary[id] = Image(); - - // read on from there - ReadImage( mImageLibrary[id]); - } - - /* Shading modes */ - else if( IsElement( "phong")) - pEffect.mShadeType = Shade_Phong; - else if( IsElement( "constant")) - pEffect.mShadeType = Shade_Constant; - else if( IsElement( "lambert")) - pEffect.mShadeType = Shade_Lambert; - else if( IsElement( "blinn")) - pEffect.mShadeType = Shade_Blinn; - - /* Color + texture properties */ - else if( IsElement( "emission")) - ReadEffectColor( pEffect.mEmissive, pEffect.mTexEmissive); - else if( IsElement( "ambient")) - ReadEffectColor( pEffect.mAmbient, pEffect.mTexAmbient); - else if( IsElement( "diffuse")) - ReadEffectColor( pEffect.mDiffuse, pEffect.mTexDiffuse); - else if( IsElement( "specular")) - ReadEffectColor( pEffect.mSpecular, pEffect.mTexSpecular); - else if( IsElement( "reflective")) { - ReadEffectColor( pEffect.mReflective, pEffect.mTexReflective); - } - else if( IsElement( "transparent")) { - ReadEffectColor( pEffect.mTransparent,pEffect.mTexTransparent); - } - else if( IsElement( "shininess")) - ReadEffectFloat( pEffect.mShininess); - else if( IsElement( "reflectivity")) - ReadEffectFloat( pEffect.mReflectivity); - - /* Single scalar properties */ - else if( IsElement( "transparency")) - ReadEffectFloat( pEffect.mTransparency); - else if( IsElement( "index_of_refraction")) - ReadEffectFloat( pEffect.mRefractIndex); - - // GOOGLEEARTH/OKINO extensions - // ------------------------------------------------------- - else if( IsElement( "double_sided")) - pEffect.mDoubleSided = ReadBoolFromTextContent(); - - // FCOLLADA extensions - // ------------------------------------------------------- - else if( IsElement( "bump")) { - aiColor4D dummy; - ReadEffectColor( dummy,pEffect.mTexBump); - } - - // MAX3D extensions - // ------------------------------------------------------- - else if( IsElement( "wireframe")) { - pEffect.mWireframe = ReadBoolFromTextContent(); - TestClosing( "wireframe"); - } - else if( IsElement( "faceted")) { - pEffect.mFaceted = ReadBoolFromTextContent(); - TestClosing( "faceted"); - } - else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "profile_COMMON") == 0) - { - break; - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Read texture wrapping + UV transform settings from a profile==Maya chunk -void ColladaParser::ReadSamplerProperties( Sampler& out ) -{ - if (mReader->isEmptyElement()) { - return; - } - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - - // MAYA extensions - // ------------------------------------------------------- - if( IsElement( "wrapU")) { - out.mWrapU = ReadBoolFromTextContent(); - TestClosing( "wrapU"); - } - else if( IsElement( "wrapV")) { - out.mWrapV = ReadBoolFromTextContent(); - TestClosing( "wrapV"); - } - else if( IsElement( "mirrorU")) { - out.mMirrorU = ReadBoolFromTextContent(); - TestClosing( "mirrorU"); - } - else if( IsElement( "mirrorV")) { - out.mMirrorV = ReadBoolFromTextContent(); - TestClosing( "mirrorV"); - } - else if( IsElement( "repeatU")) { - out.mTransform.mScaling.x = ReadFloatFromTextContent(); - TestClosing( "repeatU"); - } - else if( IsElement( "repeatV")) { - out.mTransform.mScaling.y = ReadFloatFromTextContent(); - TestClosing( "repeatV"); - } - else if( IsElement( "offsetU")) { - out.mTransform.mTranslation.x = ReadFloatFromTextContent(); - TestClosing( "offsetU"); - } - else if( IsElement( "offsetV")) { - out.mTransform.mTranslation.y = ReadFloatFromTextContent(); - TestClosing( "offsetV"); - } - else if( IsElement( "rotateUV")) { - out.mTransform.mRotation = ReadFloatFromTextContent(); - TestClosing( "rotateUV"); - } - else if( IsElement( "blend_mode")) { - - const char* sz = GetTextContent(); - // http://www.feelingsoftware.com/content/view/55/72/lang,en/ - // NONE, OVER, IN, OUT, ADD, SUBTRACT, MULTIPLY, DIFFERENCE, LIGHTEN, DARKEN, SATURATE, DESATURATE and ILLUMINATE - if (0 == ASSIMP_strincmp(sz,"ADD",3)) - out.mOp = aiTextureOp_Add; - - else if (0 == ASSIMP_strincmp(sz,"SUBTRACT",8)) - out.mOp = aiTextureOp_Subtract; - - else if (0 == ASSIMP_strincmp(sz,"MULTIPLY",8)) - out.mOp = aiTextureOp_Multiply; - - else { - DefaultLogger::get()->warn("Collada: Unsupported MAYA texture blend mode"); - } - TestClosing( "blend_mode"); - } - // OKINO extensions - // ------------------------------------------------------- - else if( IsElement( "weighting")) { - out.mWeighting = ReadFloatFromTextContent(); - TestClosing( "weighting"); - } - else if( IsElement( "mix_with_previous_layer")) { - out.mMixWithPrevious = ReadFloatFromTextContent(); - TestClosing( "mix_with_previous_layer"); - } - // MAX3D extensions - // ------------------------------------------------------- - else if( IsElement( "amount")) { - out.mWeighting = ReadFloatFromTextContent(); - TestClosing( "amount"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "technique") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect entry containing a color or a texture defining that color -void ColladaParser::ReadEffectColor( aiColor4D& pColor, Sampler& pSampler) -{ - if (mReader->isEmptyElement()) - return; - - // Save current element name - const std::string curElem = mReader->getNodeName(); - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "color")) - { - // text content contains 4 floats - const char* content = GetTextContent(); - - content = fast_atoreal_move( content, (float&)pColor.r); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pColor.g); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pColor.b); - SkipSpacesAndLineEnd( &content); - - content = fast_atoreal_move( content, (float&)pColor.a); - SkipSpacesAndLineEnd( &content); - TestClosing( "color"); - } - else if( IsElement( "texture")) - { - // get name of source textur/sampler - int attrTex = GetAttribute( "texture"); - pSampler.mName = mReader->getAttributeValue( attrTex); - - // get name of UV source channel. Specification demands it to be there, but some exporters - // don't write it. It will be the default UV channel in case it's missing. - attrTex = TestAttribute( "texcoord"); - if( attrTex >= 0 ) - pSampler.mUVChannel = mReader->getAttributeValue( attrTex); - //SkipElement(); - - // as we've read texture, the color needs to be 1,1,1,1 - pColor = aiColor4D(1.f, 1.f, 1.f, 1.f); - } - else if( IsElement( "technique")) - { - const int _profile = GetAttribute( "profile"); - const char* profile = mReader->getAttributeValue( _profile ); - - // Some extensions are quite useful ... ReadSamplerProperties processes - // several extensions in MAYA, OKINO and MAX3D profiles. - if (!::strcmp(profile,"MAYA") || !::strcmp(profile,"MAX3D") || !::strcmp(profile,"OKINO")) - { - // get more information on this sampler - ReadSamplerProperties(pSampler); - } - else SkipElement(); - } - else if( !IsElement( "extra")) - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){ - if (mReader->getNodeName() == curElem) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect entry containing a float -void ColladaParser::ReadEffectFloat( float& pFloat) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT){ - if( IsElement( "float")) - { - // text content contains a single floats - const char* content = GetTextContent(); - content = fast_atoreal_move( content, pFloat); - SkipSpacesAndLineEnd( &content); - - TestClosing( "float"); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){ - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads an effect parameter specification of any kind -void ColladaParser::ReadEffectParam( Collada::EffectParam& pParam) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "surface")) - { - // image ID given inside tags - TestOpening( "init_from"); - const char* content = GetTextContent(); - pParam.mType = Param_Surface; - pParam.mReference = content; - TestClosing( "init_from"); - - // don't care for remaining stuff - SkipElement( "surface"); - } - else if( IsElement( "sampler2D")) - { - // surface ID is given inside tags - TestOpening( "source"); - const char* content = GetTextContent(); - pParam.mType = Param_Sampler; - pParam.mReference = content; - TestClosing( "source"); - - // don't care for remaining stuff - SkipElement( "sampler2D"); - } else - { - // ignore unknown element - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the geometry library contents -void ColladaParser::ReadGeometryLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "geometry")) - { - // read ID. Another entry which is "optional" by design but obligatory in reality - int indexID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( indexID); - - // TODO: (thom) support SIDs - // ai_assert( TestAttribute( "sid") == -1); - - // create a mesh and store it in the library under its ID - Mesh* mesh = new Mesh; - mMeshLibrary[id] = mesh; - - // read the mesh name if it exists - const int nameIndex = TestAttribute("name"); - if(nameIndex != -1) - { - mesh->mName = mReader->getAttributeValue(nameIndex); - } - - // read on from there - ReadGeometry( mesh); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_geometries") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a geometry from the geometry library. -void ColladaParser::ReadGeometry( Collada::Mesh* pMesh) -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "mesh")) - { - // read on from there - ReadMesh( pMesh); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "geometry") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a mesh from the geometry library -void ColladaParser::ReadMesh( Mesh* pMesh) -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "source")) - { - // we have professionals dealing with this - ReadSource(); - } - else if( IsElement( "vertices")) - { - // read per-vertex mesh data - ReadVertexData( pMesh); - } - else if( IsElement( "triangles") || IsElement( "lines") || IsElement( "linestrips") - || IsElement( "polygons") || IsElement( "polylist") || IsElement( "trifans") || IsElement( "tristrips")) - { - // read per-index mesh data and faces setup - ReadIndexData( pMesh); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "technique_common") == 0) - { - // end of another meaningless element - read over it - } - else if( strcmp( mReader->getNodeName(), "mesh") == 0) - { - // end of element - we're done here - break; - } else - { - // everything else should be punished - ThrowException( "Expected end of element."); - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a source element -void ColladaParser::ReadSource() -{ - int indexID = GetAttribute( "id"); - std::string sourceID = mReader->getAttributeValue( indexID); - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "float_array") || IsElement( "IDREF_array") || IsElement( "Name_array")) - { - ReadDataArray(); - } - else if( IsElement( "technique_common")) - { - // I don't care for your profiles - } - else if( IsElement( "accessor")) - { - ReadAccessor( sourceID); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "source") == 0) - { - // end of - we're done - break; - } - else if( strcmp( mReader->getNodeName(), "technique_common") == 0) - { - // end of another meaningless element - read over it - } else - { - // everything else should be punished - ThrowException( "Expected end of element."); - } - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a data array holding a number of floats, and stores it in the global library -void ColladaParser::ReadDataArray() -{ - std::string elmName = mReader->getNodeName(); - bool isStringArray = (elmName == "IDREF_array" || elmName == "Name_array"); - bool isEmptyElement = mReader->isEmptyElement(); - - // read attributes - int indexID = GetAttribute( "id"); - std::string id = mReader->getAttributeValue( indexID); - int indexCount = GetAttribute( "count"); - unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( indexCount); - const char* content = TestTextContent(); - - // read values and store inside an array in the data library - mDataLibrary[id] = Data(); - Data& data = mDataLibrary[id]; - data.mIsStringArray = isStringArray; - - // some exporters write empty data arrays, but we need to conserve them anyways because others might reference them - if (content) - { - if( isStringArray) - { - data.mStrings.reserve( count); - std::string s; - - for( unsigned int a = 0; a < count; a++) - { - if( *content == 0) - ThrowException( "Expected more values while reading IDREF_array contents."); - - s.clear(); - while( !IsSpaceOrNewLine( *content)) - s += *content++; - data.mStrings.push_back( s); - - SkipSpacesAndLineEnd( &content); - } - } else - { - data.mValues.reserve( count); - - for( unsigned int a = 0; a < count; a++) - { - if( *content == 0) - ThrowException( "Expected more values while reading float_array contents."); - - float value; - // read a number - content = fast_atoreal_move( content, value); - data.mValues.push_back( value); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - } - } - - // test for closing tag - if( !isEmptyElement ) - TestClosing( elmName.c_str()); -} - -// ------------------------------------------------------------------------------------------------ -// Reads an accessor and stores it in the global library -void ColladaParser::ReadAccessor( const std::string& pID) -{ - // read accessor attributes - int attrSource = GetAttribute( "source"); - const char* source = mReader->getAttributeValue( attrSource); - if( source[0] != '#') - ThrowException( boost::str( boost::format( "Unknown reference format in url \"%s\" in source attribute of element.") % source)); - int attrCount = GetAttribute( "count"); - unsigned int count = (unsigned int) mReader->getAttributeValueAsInt( attrCount); - int attrOffset = TestAttribute( "offset"); - unsigned int offset = 0; - if( attrOffset > -1) - offset = (unsigned int) mReader->getAttributeValueAsInt( attrOffset); - int attrStride = TestAttribute( "stride"); - unsigned int stride = 1; - if( attrStride > -1) - stride = (unsigned int) mReader->getAttributeValueAsInt( attrStride); - - // store in the library under the given ID - mAccessorLibrary[pID] = Accessor(); - Accessor& acc = mAccessorLibrary[pID]; - acc.mCount = count; - acc.mOffset = offset; - acc.mStride = stride; - acc.mSource = source+1; // ignore the leading '#' - acc.mSize = 0; // gets incremented with every param - - // and read the components - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "param")) - { - // read data param - int attrName = TestAttribute( "name"); - std::string name; - if( attrName > -1) - { - name = mReader->getAttributeValue( attrName); - - // analyse for common type components and store it's sub-offset in the corresponding field - - /* Cartesian coordinates */ - if( name == "X") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "Y") acc.mSubOffset[1] = acc.mParams.size(); - else if( name == "Z") acc.mSubOffset[2] = acc.mParams.size(); - - /* RGBA colors */ - else if( name == "R") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "G") acc.mSubOffset[1] = acc.mParams.size(); - else if( name == "B") acc.mSubOffset[2] = acc.mParams.size(); - else if( name == "A") acc.mSubOffset[3] = acc.mParams.size(); - - /* UVWQ (STPQ) texture coordinates */ - else if( name == "S") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "T") acc.mSubOffset[1] = acc.mParams.size(); - else if( name == "P") acc.mSubOffset[2] = acc.mParams.size(); - // else if( name == "Q") acc.mSubOffset[3] = acc.mParams.size(); - /* 4D uv coordinates are not supported in Assimp */ - - /* Generic extra data, interpreted as UV data, too*/ - else if( name == "U") acc.mSubOffset[0] = acc.mParams.size(); - else if( name == "V") acc.mSubOffset[1] = acc.mParams.size(); - //else - // DefaultLogger::get()->warn( boost::str( boost::format( "Unknown accessor parameter \"%s\". Ignoring data channel.") % name)); - } - - // read data type - int attrType = TestAttribute( "type"); - if( attrType > -1) - { - // for the moment we only distinguish between a 4x4 matrix and anything else. - // TODO: (thom) I don't have a spec here at work. Check if there are other multi-value types - // which should be tested for here. - std::string type = mReader->getAttributeValue( attrType); - if( type == "float4x4") - acc.mSize += 16; - else - acc.mSize += 1; - } - - acc.mParams.push_back( name); - - // skip remaining stuff of this element, if any - SkipElement(); - } else - { - ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag ") % mReader->getNodeName())); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "accessor") != 0) - ThrowException( "Expected end of element."); - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads input declarations of per-vertex mesh data into the given mesh -void ColladaParser::ReadVertexData( Mesh* pMesh) -{ - // extract the ID of the element. Not that we care, but to catch strange referencing schemes we should warn about - int attrID= GetAttribute( "id"); - pMesh->mVertexID = mReader->getAttributeValue( attrID); - - // a number of elements - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "input")) - { - ReadInputChannel( pMesh->mPerVertexData); - } else - { - ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag ") % mReader->getNodeName())); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "vertices") != 0) - ThrowException( "Expected end of element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads input declarations of per-index mesh data into the given mesh -void ColladaParser::ReadIndexData( Mesh* pMesh) -{ - std::vector vcount; - std::vector perIndexData; - - // read primitive count from the attribute - int attrCount = GetAttribute( "count"); - size_t numPrimitives = (size_t) mReader->getAttributeValueAsInt( attrCount); - // some mesh types (e.g. tristrips) don't specify primitive count upfront, - // so we need to sum up the actual number of primitives while we read the

-tags - size_t actualPrimitives = 0; - - // material subgroup - int attrMaterial = TestAttribute( "material"); - SubMesh subgroup; - if( attrMaterial > -1) - subgroup.mMaterial = mReader->getAttributeValue( attrMaterial); - - // distinguish between polys and triangles - std::string elementName = mReader->getNodeName(); - PrimitiveType primType = Prim_Invalid; - if( IsElement( "lines")) - primType = Prim_Lines; - else if( IsElement( "linestrips")) - primType = Prim_LineStrip; - else if( IsElement( "polygons")) - primType = Prim_Polygon; - else if( IsElement( "polylist")) - primType = Prim_Polylist; - else if( IsElement( "triangles")) - primType = Prim_Triangles; - else if( IsElement( "trifans")) - primType = Prim_TriFans; - else if( IsElement( "tristrips")) - primType = Prim_TriStrips; - - ai_assert( primType != Prim_Invalid); - - // also a number of elements, but in addition a

primitive collection and propably index counts for all primitives - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "input")) - { - ReadInputChannel( perIndexData); - } - else if( IsElement( "vcount")) - { - if( !mReader->isEmptyElement()) - { - if (numPrimitives) // It is possible to define a mesh without any primitives - { - // case - specifies the number of indices for each polygon - const char* content = GetTextContent(); - vcount.reserve( numPrimitives); - for( unsigned int a = 0; a < numPrimitives; a++) - { - if( *content == 0) - ThrowException( "Expected more values while reading contents."); - // read a number - vcount.push_back( (size_t) strtoul10( content, &content)); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - } - - TestClosing( "vcount"); - } - } - else if( IsElement( "p")) - { - if( !mReader->isEmptyElement()) - { - // now here the actual fun starts - these are the indices to construct the mesh data from - actualPrimitives += ReadPrimitives(pMesh, perIndexData, numPrimitives, vcount, primType); - } - } - else if (IsElement("extra")) - { - SkipElement("extra"); - } else - { - ThrowException( boost::str( boost::format( "Unexpected sub element <%s> in tag <%s>") % mReader->getNodeName() % elementName)); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( mReader->getNodeName() != elementName) - ThrowException( boost::str( boost::format( "Expected end of <%s> element.") % elementName)); - - break; - } - } - - // small sanity check - if (primType != Prim_TriFans && primType != Prim_TriStrips && - primType != Prim_Lines) // this is ONLY to workaround a bug in SketchUp 15.3.331 where it writes the wrong 'count' when it writes out the 'lines'. - ai_assert(actualPrimitives == numPrimitives); - - // only when we're done reading all

tags (and thus know the final vertex count) can we commit the submesh - subgroup.mNumFaces = actualPrimitives; - pMesh->mSubMeshes.push_back(subgroup); -} - -// ------------------------------------------------------------------------------------------------ -// Reads a single input channel element and stores it in the given array, if valid -void ColladaParser::ReadInputChannel( std::vector& poChannels) -{ - InputChannel channel; - - // read semantic - int attrSemantic = GetAttribute( "semantic"); - std::string semantic = mReader->getAttributeValue( attrSemantic); - channel.mType = GetTypeForSemantic( semantic); - - // read source - int attrSource = GetAttribute( "source"); - const char* source = mReader->getAttributeValue( attrSource); - if( source[0] != '#') - ThrowException( boost::str( boost::format( "Unknown reference format in url \"%s\" in source attribute of element.") % source)); - channel.mAccessor = source+1; // skipping the leading #, hopefully the remaining text is the accessor ID only - - // read index offset, if per-index - int attrOffset = TestAttribute( "offset"); - if( attrOffset > -1) - channel.mOffset = mReader->getAttributeValueAsInt( attrOffset); - - // read set if texture coordinates - if(channel.mType == IT_Texcoord || channel.mType == IT_Color){ - int attrSet = TestAttribute("set"); - if(attrSet > -1){ - attrSet = mReader->getAttributeValueAsInt( attrSet); - if(attrSet < 0) - ThrowException( boost::str( boost::format( "Invalid index \"%i\" in set attribute of element") % (attrSet))); - - channel.mIndex = attrSet; - } - } - - // store, if valid type - if( channel.mType != IT_Invalid) - poChannels.push_back( channel); - - // skip remaining stuff of this element, if any - SkipElement(); -} - -// ------------------------------------------------------------------------------------------------ -// Reads a

primitive index list and assembles the mesh data into the given mesh -size_t ColladaParser::ReadPrimitives( Mesh* pMesh, std::vector& pPerIndexChannels, - size_t pNumPrimitives, const std::vector& pVCount, PrimitiveType pPrimType) -{ - // determine number of indices coming per vertex - // find the offset index for all per-vertex channels - size_t numOffsets = 1; - size_t perVertexOffset = SIZE_MAX; // invalid value - BOOST_FOREACH( const InputChannel& channel, pPerIndexChannels) - { - numOffsets = std::max( numOffsets, channel.mOffset+1); - if( channel.mType == IT_Vertex) - perVertexOffset = channel.mOffset; - } - - // determine the expected number of indices - size_t expectedPointCount = 0; - switch( pPrimType) - { - case Prim_Polylist: - { - BOOST_FOREACH( size_t i, pVCount) - expectedPointCount += i; - break; - } - case Prim_Lines: - expectedPointCount = 2 * pNumPrimitives; - break; - case Prim_Triangles: - expectedPointCount = 3 * pNumPrimitives; - break; - default: - // other primitive types don't state the index count upfront... we need to guess - break; - } - - // and read all indices into a temporary array - std::vector indices; - if( expectedPointCount > 0) - indices.reserve( expectedPointCount * numOffsets); - - if (pNumPrimitives > 0) // It is possible to not contain any indicies - { - const char* content = GetTextContent(); - while( *content != 0) - { - // read a value. - // Hack: (thom) Some exporters put negative indices sometimes. We just try to carry on anyways. - int value = std::max( 0, strtol10( content, &content)); - indices.push_back( size_t( value)); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - } - - // complain if the index count doesn't fit - if( expectedPointCount > 0 && indices.size() != expectedPointCount * numOffsets) { - if (pPrimType == Prim_Lines) { - // HACK: We just fix this number since SketchUp 15.3.331 writes the wrong 'count' for 'lines' - ReportWarning( "Expected different index count in

element, %d instead of %d.", indices.size(), expectedPointCount * numOffsets); - pNumPrimitives = (indices.size() / numOffsets) / 2; - } else - ThrowException( "Expected different index count in

element."); - - } else if( expectedPointCount == 0 && (indices.size() % numOffsets) != 0) - ThrowException( "Expected different index count in

element."); - - // find the data for all sources - for( std::vector::iterator it = pMesh->mPerVertexData.begin(); it != pMesh->mPerVertexData.end(); ++it) - { - InputChannel& input = *it; - if( input.mResolved) - continue; - - // find accessor - input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor); - // resolve accessor's data pointer as well, if neccessary - const Accessor* acc = input.mResolved; - if( !acc->mData) - acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource); - } - // and the same for the per-index channels - for( std::vector::iterator it = pPerIndexChannels.begin(); it != pPerIndexChannels.end(); ++it) - { - InputChannel& input = *it; - if( input.mResolved) - continue; - - // ignore vertex pointer, it doesn't refer to an accessor - if( input.mType == IT_Vertex) - { - // warn if the vertex channel does not refer to the element in the same mesh - if( input.mAccessor != pMesh->mVertexID) - ThrowException( "Unsupported vertex referencing scheme."); - continue; - } - - // find accessor - input.mResolved = &ResolveLibraryReference( mAccessorLibrary, input.mAccessor); - // resolve accessor's data pointer as well, if neccessary - const Accessor* acc = input.mResolved; - if( !acc->mData) - acc->mData = &ResolveLibraryReference( mDataLibrary, acc->mSource); - } - - // For continued primitives, the given count does not come all in one

, but only one primitive per

- size_t numPrimitives = pNumPrimitives; - if( pPrimType == Prim_TriFans || pPrimType == Prim_Polygon) - numPrimitives = 1; - // For continued primitives, the given count is actually the number of

's inside the parent tag - if ( pPrimType == Prim_TriStrips){ - size_t numberOfVertices = indices.size() / numOffsets; - numPrimitives = numberOfVertices - 2; - } - - pMesh->mFaceSize.reserve( numPrimitives); - pMesh->mFacePosIndices.reserve( indices.size() / numOffsets); - - size_t polylistStartVertex = 0; - for (size_t currentPrimitive = 0; currentPrimitive < numPrimitives; currentPrimitive++) - { - // determine number of points for this primitive - size_t numPoints = 0; - switch( pPrimType) - { - case Prim_Lines: - numPoints = 2; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - case Prim_Triangles: - numPoints = 3; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - case Prim_TriStrips: - numPoints = 3; - ReadPrimTriStrips(numOffsets, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - case Prim_Polylist: - numPoints = pVCount[currentPrimitive]; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(polylistStartVertex + currentVertex, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, 0, indices); - polylistStartVertex += numPoints; - break; - case Prim_TriFans: - case Prim_Polygon: - numPoints = indices.size() / numOffsets; - for (size_t currentVertex = 0; currentVertex < numPoints; currentVertex++) - CopyVertex(currentVertex, numOffsets, numPoints, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - break; - default: - // LineStrip is not supported due to expected index unmangling - ThrowException( "Unsupported primitive type."); - break; - } - - // store the face size to later reconstruct the face from - pMesh->mFaceSize.push_back( numPoints); - } - - // if I ever get my hands on that guy who invented this steaming pile of indirection... - TestClosing( "p"); - return numPrimitives; -} - -void ColladaParser::CopyVertex(size_t currentVertex, size_t numOffsets, size_t numPoints, size_t perVertexOffset, Mesh* pMesh, std::vector& pPerIndexChannels, size_t currentPrimitive, const std::vector& indices){ - // calculate the base offset of the vertex whose attributes we ant to copy - size_t baseOffset = currentPrimitive * numOffsets * numPoints + currentVertex * numOffsets; - - // don't overrun the boundaries of the index list - size_t maxIndexRequested = baseOffset + numOffsets - 1; - ai_assert(maxIndexRequested < indices.size()); - - // extract per-vertex channels using the global per-vertex offset - for (std::vector::iterator it = pMesh->mPerVertexData.begin(); it != pMesh->mPerVertexData.end(); ++it) - ExtractDataObjectFromChannel(*it, indices[baseOffset + perVertexOffset], pMesh); - // and extract per-index channels using there specified offset - for (std::vector::iterator it = pPerIndexChannels.begin(); it != pPerIndexChannels.end(); ++it) - ExtractDataObjectFromChannel(*it, indices[baseOffset + it->mOffset], pMesh); - - // store the vertex-data index for later assignment of bone vertex weights - pMesh->mFacePosIndices.push_back(indices[baseOffset + perVertexOffset]); -} - -void ColladaParser::ReadPrimTriStrips(size_t numOffsets, size_t perVertexOffset, Mesh* pMesh, std::vector& pPerIndexChannels, size_t currentPrimitive, const std::vector& indices){ - if (currentPrimitive % 2 != 0){ - //odd tristrip triangles need their indices mangled, to preserve winding direction - CopyVertex(1, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(0, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(2, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - } - else {//for non tristrips or even tristrip triangles - CopyVertex(0, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(1, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - CopyVertex(2, numOffsets, 1, perVertexOffset, pMesh, pPerIndexChannels, currentPrimitive, indices); - } -} - -// ------------------------------------------------------------------------------------------------ -// Extracts a single object from an input channel and stores it in the appropriate mesh data array -void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, size_t pLocalIndex, Mesh* pMesh) -{ - // ignore vertex referrer - we handle them that separate - if( pInput.mType == IT_Vertex) - return; - - const Accessor& acc = *pInput.mResolved; - if( pLocalIndex >= acc.mCount) - ThrowException( boost::str( boost::format( "Invalid data index (%d/%d) in primitive specification") % pLocalIndex % acc.mCount)); - - // get a pointer to the start of the data object referred to by the accessor and the local index - const float* dataObject = &(acc.mData->mValues[0]) + acc.mOffset + pLocalIndex* acc.mStride; - - // assemble according to the accessors component sub-offset list. We don't care, yet, - // what kind of object exactly we're extracting here - float obj[4]; - for( size_t c = 0; c < 4; ++c) - obj[c] = dataObject[acc.mSubOffset[c]]; - - // now we reinterpret it according to the type we're reading here - switch( pInput.mType) - { - case IT_Position: // ignore all position streams except 0 - there can be only one position - if( pInput.mIndex == 0) - pMesh->mPositions.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex position stream supported"); - break; - case IT_Normal: - // pad to current vertex count if necessary - if( pMesh->mNormals.size() < pMesh->mPositions.size()-1) - pMesh->mNormals.insert( pMesh->mNormals.end(), pMesh->mPositions.size() - pMesh->mNormals.size() - 1, aiVector3D( 0, 1, 0)); - - // ignore all normal streams except 0 - there can be only one normal - if( pInput.mIndex == 0) - pMesh->mNormals.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex normal stream supported"); - break; - case IT_Tangent: - // pad to current vertex count if necessary - if( pMesh->mTangents.size() < pMesh->mPositions.size()-1) - pMesh->mTangents.insert( pMesh->mTangents.end(), pMesh->mPositions.size() - pMesh->mTangents.size() - 1, aiVector3D( 1, 0, 0)); - - // ignore all tangent streams except 0 - there can be only one tangent - if( pInput.mIndex == 0) - pMesh->mTangents.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex tangent stream supported"); - break; - case IT_Bitangent: - // pad to current vertex count if necessary - if( pMesh->mBitangents.size() < pMesh->mPositions.size()-1) - pMesh->mBitangents.insert( pMesh->mBitangents.end(), pMesh->mPositions.size() - pMesh->mBitangents.size() - 1, aiVector3D( 0, 0, 1)); - - // ignore all bitangent streams except 0 - there can be only one bitangent - if( pInput.mIndex == 0) - pMesh->mBitangents.push_back( aiVector3D( obj[0], obj[1], obj[2])); - else - DefaultLogger::get()->error("Collada: just one vertex bitangent stream supported"); - break; - case IT_Texcoord: - // up to 4 texture coord sets are fine, ignore the others - if( pInput.mIndex < AI_MAX_NUMBER_OF_TEXTURECOORDS) - { - // pad to current vertex count if necessary - if( pMesh->mTexCoords[pInput.mIndex].size() < pMesh->mPositions.size()-1) - pMesh->mTexCoords[pInput.mIndex].insert( pMesh->mTexCoords[pInput.mIndex].end(), - pMesh->mPositions.size() - pMesh->mTexCoords[pInput.mIndex].size() - 1, aiVector3D( 0, 0, 0)); - - pMesh->mTexCoords[pInput.mIndex].push_back( aiVector3D( obj[0], obj[1], obj[2])); - if (0 != acc.mSubOffset[2] || 0 != acc.mSubOffset[3]) /* hack ... consider cleaner solution */ - pMesh->mNumUVComponents[pInput.mIndex]=3; - } else - { - DefaultLogger::get()->error("Collada: too many texture coordinate sets. Skipping."); - } - break; - case IT_Color: - // up to 4 color sets are fine, ignore the others - if( pInput.mIndex < AI_MAX_NUMBER_OF_COLOR_SETS) - { - // pad to current vertex count if necessary - if( pMesh->mColors[pInput.mIndex].size() < pMesh->mPositions.size()-1) - pMesh->mColors[pInput.mIndex].insert( pMesh->mColors[pInput.mIndex].end(), - pMesh->mPositions.size() - pMesh->mColors[pInput.mIndex].size() - 1, aiColor4D( 0, 0, 0, 1)); - - aiColor4D result(0, 0, 0, 1); - for (size_t i = 0; i < pInput.mResolved->mSize; ++i) - { - result[i] = obj[pInput.mResolved->mSubOffset[i]]; - } - pMesh->mColors[pInput.mIndex].push_back(result); - } else - { - DefaultLogger::get()->error("Collada: too many vertex color sets. Skipping."); - } - - break; - default: - // IT_Invalid and IT_Vertex - ai_assert(false && "shouldn't ever get here"); - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads the library of node hierarchies and scene parts -void ColladaParser::ReadSceneLibrary() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - // a visual scene - generate root node under its ID and let ReadNode() do the recursive work - if( IsElement( "visual_scene")) - { - // read ID. Is optional according to the spec, but how on earth should a scene_instance refer to it then? - int indexID = GetAttribute( "id"); - const char* attrID = mReader->getAttributeValue( indexID); - - // read name if given. - int indexName = TestAttribute( "name"); - const char* attrName = "unnamed"; - if( indexName > -1) - attrName = mReader->getAttributeValue( indexName); - - // create a node and store it in the library under its ID - Node* node = new Node; - node->mID = attrID; - node->mName = attrName; - mNodeLibrary[node->mID] = node; - - ReadSceneNode( node); - } else - { - // ignore the rest - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "library_visual_scenes") == 0) - //ThrowException( "Expected end of \"library_visual_scenes\" element."); - - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a scene node's contents including children and stores it in the given node -void ColladaParser::ReadSceneNode( Node* pNode) -{ - // quit immediately on elements - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "node")) - { - Node* child = new Node; - int attrID = TestAttribute( "id"); - if( attrID > -1) - child->mID = mReader->getAttributeValue( attrID); - int attrSID = TestAttribute( "sid"); - if( attrSID > -1) - child->mSID = mReader->getAttributeValue( attrSID); - - int attrName = TestAttribute( "name"); - if( attrName > -1) - child->mName = mReader->getAttributeValue( attrName); - - // TODO: (thom) support SIDs - // ai_assert( TestAttribute( "sid") == -1); - - if (pNode) - { - pNode->mChildren.push_back( child); - child->mParent = pNode; - } - else - { - // no parent node given, probably called from element. - // create new node in node library - mNodeLibrary[child->mID] = child; - } - - // read on recursively from there - ReadSceneNode( child); - continue; - } - // For any further stuff we need a valid node to work on - else if (!pNode) - continue; - - if( IsElement( "lookat")) - ReadNodeTransformation( pNode, TF_LOOKAT); - else if( IsElement( "matrix")) - ReadNodeTransformation( pNode, TF_MATRIX); - else if( IsElement( "rotate")) - ReadNodeTransformation( pNode, TF_ROTATE); - else if( IsElement( "scale")) - ReadNodeTransformation( pNode, TF_SCALE); - else if( IsElement( "skew")) - ReadNodeTransformation( pNode, TF_SKEW); - else if( IsElement( "translate")) - ReadNodeTransformation( pNode, TF_TRANSLATE); - else if( IsElement( "render") && pNode->mParent == NULL && 0 == pNode->mPrimaryCamera.length()) - { - // ... scene evaluation or, in other words, postprocessing pipeline, - // or, again in other words, a turing-complete description how to - // render a Collada scene. The only thing that is interesting for - // us is the primary camera. - int attrId = TestAttribute("camera_node"); - if (-1 != attrId) - { - const char* s = mReader->getAttributeValue(attrId); - if (s[0] != '#') - DefaultLogger::get()->error("Collada: Unresolved reference format of camera"); - else - pNode->mPrimaryCamera = s+1; - } - } - else if( IsElement( "instance_node")) - { - // find the node in the library - int attrID = TestAttribute( "url"); - if( attrID != -1) - { - const char* s = mReader->getAttributeValue(attrID); - if (s[0] != '#') - DefaultLogger::get()->error("Collada: Unresolved reference format of node"); - else - { - pNode->mNodeInstances.push_back(NodeInstance()); - pNode->mNodeInstances.back().mNode = s+1; - } - } - } - else if( IsElement( "instance_geometry") || IsElement( "instance_controller")) - { - // Reference to a mesh or controller, with possible material associations - ReadNodeGeometry( pNode); - } - else if( IsElement( "instance_light")) - { - // Reference to a light, name given in 'url' attribute - int attrID = TestAttribute("url"); - if (-1 == attrID) - DefaultLogger::get()->warn("Collada: Expected url attribute in element"); - else - { - const char* url = mReader->getAttributeValue( attrID); - if( url[0] != '#') - ThrowException( "Unknown reference format in element"); - - pNode->mLights.push_back(LightInstance()); - pNode->mLights.back().mLight = url+1; - } - } - else if( IsElement( "instance_camera")) - { - // Reference to a camera, name given in 'url' attribute - int attrID = TestAttribute("url"); - if (-1 == attrID) - DefaultLogger::get()->warn("Collada: Expected url attribute in element"); - else - { - const char* url = mReader->getAttributeValue( attrID); - if( url[0] != '#') - ThrowException( "Unknown reference format in element"); - - pNode->mCameras.push_back(CameraInstance()); - pNode->mCameras.back().mCamera = url+1; - } - } - else - { - // skip everything else for the moment - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a node transformation entry of the given type and adds it to the given node's transformation list. -void ColladaParser::ReadNodeTransformation( Node* pNode, TransformType pType) -{ - if( mReader->isEmptyElement()) - return; - - std::string tagName = mReader->getNodeName(); - - Transform tf; - tf.mType = pType; - - // read SID - int indexSID = TestAttribute( "sid"); - if( indexSID >= 0) - tf.mID = mReader->getAttributeValue( indexSID); - - // how many parameters to read per transformation type - static const unsigned int sNumParameters[] = { 9, 4, 3, 3, 7, 16 }; - const char* content = GetTextContent(); - - // read as many parameters and store in the transformation - for( unsigned int a = 0; a < sNumParameters[pType]; a++) - { - // read a number - content = fast_atoreal_move( content, tf.f[a]); - // skip whitespace after it - SkipSpacesAndLineEnd( &content); - } - - // place the transformation at the queue of the node - pNode->mTransforms.push_back( tf); - - // and consume the closing tag - TestClosing( tagName.c_str()); -} - -// ------------------------------------------------------------------------------------------------ -// Processes bind_vertex_input and bind elements -void ColladaParser::ReadMaterialVertexInputBinding( Collada::SemanticMappingTable& tbl) -{ - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "bind_vertex_input")) - { - Collada::InputSemanticMapEntry vn; - - // effect semantic - int n = GetAttribute("semantic"); - std::string s = mReader->getAttributeValue(n); - - // input semantic - n = GetAttribute("input_semantic"); - vn.mType = GetTypeForSemantic( mReader->getAttributeValue(n) ); - - // index of input set - n = TestAttribute("input_set"); - if (-1 != n) - vn.mSet = mReader->getAttributeValueAsInt(n); - - tbl.mMap[s] = vn; - } - else if( IsElement( "bind")) { - DefaultLogger::get()->warn("Collada: Found unsupported element"); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) { - if( strcmp( mReader->getNodeName(), "instance_material") == 0) - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Reads a mesh reference in a node and adds it to the node's mesh list -void ColladaParser::ReadNodeGeometry( Node* pNode) -{ - // referred mesh is given as an attribute of the element - int attrUrl = GetAttribute( "url"); - const char* url = mReader->getAttributeValue( attrUrl); - if( url[0] != '#') - ThrowException( "Unknown reference format"); - - Collada::MeshInstance instance; - instance.mMeshOrController = url+1; // skipping the leading # - - if( !mReader->isEmptyElement()) - { - // read material associations. Ignore additional elements inbetween - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) - { - if( IsElement( "instance_material")) - { - // read ID of the geometry subgroup and the target material - int attrGroup = GetAttribute( "symbol"); - std::string group = mReader->getAttributeValue( attrGroup); - int attrMaterial = GetAttribute( "target"); - const char* urlMat = mReader->getAttributeValue( attrMaterial); - Collada::SemanticMappingTable s; - if( urlMat[0] == '#') - urlMat++; - - s.mMatName = urlMat; - - // resolve further material details + THIS UGLY AND NASTY semantic mapping stuff - if( !mReader->isEmptyElement()) - ReadMaterialVertexInputBinding(s); - - // store the association - instance.mMaterials[group] = s; - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - { - if( strcmp( mReader->getNodeName(), "instance_geometry") == 0 - || strcmp( mReader->getNodeName(), "instance_controller") == 0) - break; - } - } - } - - // store it - pNode->mMeshes.push_back( instance); -} - -// ------------------------------------------------------------------------------------------------ -// Reads the collada scene -void ColladaParser::ReadScene() -{ - if( mReader->isEmptyElement()) - return; - - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT) { - if( IsElement( "instance_visual_scene")) - { - // should be the first and only occurence - if( mRootNode) - ThrowException( "Invalid scene containing multiple root nodes in element"); - - // read the url of the scene to instance. Should be of format "#some_name" - int urlIndex = GetAttribute( "url"); - const char* url = mReader->getAttributeValue( urlIndex); - if( url[0] != '#') - ThrowException( "Unknown reference format in element"); - - // find the referred scene, skip the leading # - NodeLibrary::const_iterator sit = mNodeLibrary.find( url+1); - if( sit == mNodeLibrary.end()) - ThrowException( "Unable to resolve visual_scene reference \"" + std::string(url) + "\" in element."); - mRootNode = sit->second; - } else { - SkipElement(); - } - } - else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END){ - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Aborts the file reading with an exception -AI_WONT_RETURN void ColladaParser::ThrowException( const std::string& pError) const -{ - throw DeadlyImportError( boost::str( boost::format( "Collada: %s - %s") % mFileName % pError)); -} - -void ColladaParser::ReportWarning(const char* msg,...) -{ - ai_assert(NULL != msg); - - va_list args; - va_start(args,msg); - - char szBuffer[3000]; - const int iLen = vsprintf(szBuffer,msg,args); - ai_assert(iLen > 0); - - va_end(args); - DefaultLogger::get()->warn("Validation warning: " + std::string(szBuffer,iLen)); -} - -// ------------------------------------------------------------------------------------------------ -// Skips all data until the end node of the current element -void ColladaParser::SkipElement() -{ - // nothing to skip if it's an - if( mReader->isEmptyElement()) - return; - - // reroute - SkipElement( mReader->getNodeName()); -} - -// ------------------------------------------------------------------------------------------------ -// Skips all data until the end node of the given element -void ColladaParser::SkipElement( const char* pElement) -{ - // copy the current node's name because it'a pointer to the reader's internal buffer, - // which is going to change with the upcoming parsing - std::string element = pElement; - while( mReader->read()) - { - if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END) - if( mReader->getNodeName() == element) - break; - } -} - -// ------------------------------------------------------------------------------------------------ -// Tests for an opening element of the given name, throws an exception if not found -void ColladaParser::TestOpening( const char* pName) -{ - // read element start - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while beginning of <%s> element.") % pName)); - // whitespace in front is ok, just read again if found - if( mReader->getNodeType() == irr::io::EXN_TEXT) - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while reading beginning of <%s> element.") % pName)); - - if( mReader->getNodeType() != irr::io::EXN_ELEMENT || strcmp( mReader->getNodeName(), pName) != 0) - ThrowException( boost::str( boost::format( "Expected start of <%s> element.") % pName)); -} - -// ------------------------------------------------------------------------------------------------ -// Tests for the closing tag of the given element, throws an exception if not found -void ColladaParser::TestClosing( const char* pName) -{ - // check if we're already on the closing tag and return right away - if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END && strcmp( mReader->getNodeName(), pName) == 0) - return; - - // if not, read some more - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while reading end of <%s> element.") % pName)); - // whitespace in front is ok, just read again if found - if( mReader->getNodeType() == irr::io::EXN_TEXT) - if( !mReader->read()) - ThrowException( boost::str( boost::format( "Unexpected end of file while reading end of <%s> element.") % pName)); - - // but this has the be the closing tag, or we're lost - if( mReader->getNodeType() != irr::io::EXN_ELEMENT_END || strcmp( mReader->getNodeName(), pName) != 0) - ThrowException( boost::str( boost::format( "Expected end of <%s> element.") % pName)); -} - -// ------------------------------------------------------------------------------------------------ -// Returns the index of the named attribute or -1 if not found. Does not throw, therefore useful for optional attributes -int ColladaParser::GetAttribute( const char* pAttr) const -{ - int index = TestAttribute( pAttr); - if( index != -1) - return index; - - // attribute not found -> throw an exception - ThrowException( boost::str( boost::format( "Expected attribute \"%s\" for element <%s>.") % pAttr % mReader->getNodeName())); - return -1; -} - -// ------------------------------------------------------------------------------------------------ -// Tests the present element for the presence of one attribute, returns its index or throws an exception if not found -int ColladaParser::TestAttribute( const char* pAttr) const -{ - for( int a = 0; a < mReader->getAttributeCount(); a++) - if( strcmp( mReader->getAttributeName( a), pAttr) == 0) - return a; - - return -1; -} - -// ------------------------------------------------------------------------------------------------ -// Reads the text contents of an element, throws an exception if not given. Skips leading whitespace. -const char* ColladaParser::GetTextContent() -{ - const char* sz = TestTextContent(); - if(!sz) { - ThrowException( "Invalid contents in element \"n\"."); - } - return sz; -} - -// ------------------------------------------------------------------------------------------------ -// Reads the text contents of an element, returns NULL if not given. Skips leading whitespace. -const char* ColladaParser::TestTextContent() -{ - // present node should be the beginning of an element - if( mReader->getNodeType() != irr::io::EXN_ELEMENT || mReader->isEmptyElement()) - return NULL; - - // read contents of the element - if( !mReader->read() ) - return NULL; - if( mReader->getNodeType() != irr::io::EXN_TEXT) - return NULL; - - // skip leading whitespace - const char* text = mReader->getNodeData(); - SkipSpacesAndLineEnd( &text); - - return text; -} - -// ------------------------------------------------------------------------------------------------ -// Calculates the resulting transformation fromm all the given transform steps -aiMatrix4x4 ColladaParser::CalculateResultTransform( const std::vector& pTransforms) const -{ - aiMatrix4x4 res; - - for( std::vector::const_iterator it = pTransforms.begin(); it != pTransforms.end(); ++it) - { - const Transform& tf = *it; - switch( tf.mType) - { - case TF_LOOKAT: - { - aiVector3D pos( tf.f[0], tf.f[1], tf.f[2]); - aiVector3D dstPos( tf.f[3], tf.f[4], tf.f[5]); - aiVector3D up = aiVector3D( tf.f[6], tf.f[7], tf.f[8]).Normalize(); - aiVector3D dir = aiVector3D( dstPos - pos).Normalize(); - aiVector3D right = (dir ^ up).Normalize(); - - res *= aiMatrix4x4( - right.x, up.x, -dir.x, pos.x, - right.y, up.y, -dir.y, pos.y, - right.z, up.z, -dir.z, pos.z, - 0, 0, 0, 1); - break; - } - case TF_ROTATE: - { - aiMatrix4x4 rot; - float angle = tf.f[3] * float( AI_MATH_PI) / 180.0f; - aiVector3D axis( tf.f[0], tf.f[1], tf.f[2]); - aiMatrix4x4::Rotation( angle, axis, rot); - res *= rot; - break; - } - case TF_TRANSLATE: - { - aiMatrix4x4 trans; - aiMatrix4x4::Translation( aiVector3D( tf.f[0], tf.f[1], tf.f[2]), trans); - res *= trans; - break; - } - case TF_SCALE: - { - aiMatrix4x4 scale( tf.f[0], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[1], 0.0f, 0.0f, 0.0f, 0.0f, tf.f[2], 0.0f, - 0.0f, 0.0f, 0.0f, 1.0f); - res *= scale; - break; - } - case TF_SKEW: - // TODO: (thom) - ai_assert( false); - break; - case TF_MATRIX: - { - aiMatrix4x4 mat( tf.f[0], tf.f[1], tf.f[2], tf.f[3], tf.f[4], tf.f[5], tf.f[6], tf.f[7], - tf.f[8], tf.f[9], tf.f[10], tf.f[11], tf.f[12], tf.f[13], tf.f[14], tf.f[15]); - res *= mat; - break; - } - default: - ai_assert( false); - break; - } - } - - return res; -} - -// ------------------------------------------------------------------------------------------------ -// Determines the input data type for the given semantic string -Collada::InputType ColladaParser::GetTypeForSemantic( const std::string& pSemantic) -{ - if( pSemantic == "POSITION") - return IT_Position; - else if( pSemantic == "TEXCOORD") - return IT_Texcoord; - else if( pSemantic == "NORMAL") - return IT_Normal; - else if( pSemantic == "COLOR") - return IT_Color; - else if( pSemantic == "VERTEX") - return IT_Vertex; - else if( pSemantic == "BINORMAL" || pSemantic == "TEXBINORMAL") - return IT_Bitangent; - else if( pSemantic == "TANGENT" || pSemantic == "TEXTANGENT") - return IT_Tangent; - - DefaultLogger::get()->warn( boost::str( boost::format( "Unknown vertex input type \"%s\". Ignoring.") % pSemantic)); - return IT_Invalid; -} - -#endif // !! ASSIMP_BUILD_NO_DAE_IMPORTER