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-rw-r--r--thirdparty/assimp/code/ScaleProcess.cpp103
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-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2019, 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.
-
-----------------------------------------------------------------------
-*/
-#ifndef ASSIMP_BUILD_NO_GLOBALSCALE_PROCESS
-
-#include "ScaleProcess.h"
-
-#include <assimp/scene.h>
-#include <assimp/postprocess.h>
-
-namespace Assimp {
-
-ScaleProcess::ScaleProcess()
-: BaseProcess()
-, mScale( AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT ) {
- // empty
-}
-
-ScaleProcess::~ScaleProcess() {
- // empty
-}
-
-void ScaleProcess::setScale( ai_real scale ) {
- mScale = scale;
-}
-
-ai_real ScaleProcess::getScale() const {
- return mScale;
-}
-
-bool ScaleProcess::IsActive( unsigned int pFlags ) const {
- return ( pFlags & aiProcess_GlobalScale ) != 0;
-}
-
-void ScaleProcess::SetupProperties( const Importer* pImp ) {
- mScale = pImp->GetPropertyFloat( AI_CONFIG_GLOBAL_SCALE_FACTOR_KEY, 0 );
-}
-
-void ScaleProcess::Execute( aiScene* pScene ) {
- if ( nullptr == pScene ) {
- return;
- }
-
- if ( nullptr == pScene->mRootNode ) {
- return;
- }
-
- traverseNodes( pScene->mRootNode );
-}
-
-void ScaleProcess::traverseNodes( aiNode *node ) {
- applyScaling( node );
-}
-
-void ScaleProcess::applyScaling( aiNode *currentNode ) {
- if ( nullptr != currentNode ) {
- currentNode->mTransformation.a1 = currentNode->mTransformation.a1 * mScale;
- currentNode->mTransformation.b2 = currentNode->mTransformation.b2 * mScale;
- currentNode->mTransformation.c3 = currentNode->mTransformation.c3 * mScale;
- }
-}
-
-} // Namespace Assimp
-
-#endif // !! ASSIMP_BUILD_NO_GLOBALSCALE_PROCESS