117 lines
4.3 KiB
C++
117 lines
4.3 KiB
C++
/** Implementation of the Collada loader */
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (ASSIMP)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2008, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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#include "AssimpPCH.h"
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#include "../include/aiAnim.h"
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#include "ColladaLoader.h"
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#include "ColladaParser.h"
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using namespace Assimp;
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// ------------------------------------------------------------------------------------------------
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// Constructor to be privately used by Importer
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ColladaLoader::ColladaLoader()
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{
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}
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// ------------------------------------------------------------------------------------------------
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// Destructor, private as well
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ColladaLoader::~ColladaLoader()
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{
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}
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// ------------------------------------------------------------------------------------------------
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// Returns whether the class can handle the format of the given file.
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bool ColladaLoader::CanRead( const std::string& pFile, IOSystem* pIOHandler) const
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{
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// check file extension
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std::string::size_type pos = pFile.find_last_of('.');
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// no file extension - can't read
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if( pos == std::string::npos)
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return false;
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std::string extension = pFile.substr( pos);
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for( std::string::iterator it = extension.begin(); it != extension.end(); ++it)
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*it = tolower( *it);
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if( extension == ".dae")
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return true;
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return false;
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}
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// ------------------------------------------------------------------------------------------------
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// Imports the given file into the given scene structure.
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void ColladaLoader::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler)
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{
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mFileName = pFile;
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// parse the input file
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ColladaParser parser( pFile);
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// build the node hierarchy from it
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pScene->mRootNode = BuildHierarchy( parser, parser.mRootNode);
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pScene->mFlags = AI_SCENE_FLAGS_INCOMPLETE;
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}
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// ------------------------------------------------------------------------------------------------
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// Recursively constructs a scene node for the given parser node and returns it.
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aiNode* ColladaLoader::BuildHierarchy( const ColladaParser& pParser, const ColladaParser::Node* pNode)
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{
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// create a node for it
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aiNode* node = new aiNode( pNode->mName);
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// calculate the transformation matrix for it
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node->mTransformation = pParser.CalculateResultTransform( pNode->mTransforms);
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// add children
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node->mNumChildren = pNode->mChildren.size();
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node->mChildren = new aiNode*[node->mNumChildren];
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for( unsigned int a = 0; a < pNode->mChildren.size(); a++)
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{
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node->mChildren[a] = BuildHierarchy( pParser, pNode->mChildren[a]);
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node->mChildren[a]->mParent = node;
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}
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return node;
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}
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