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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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+
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+Copyright (c) 2006-2008, ASSIMP Development Team
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+
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+All rights reserved.
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+
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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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+
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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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+
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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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+
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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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+
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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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+/** @file Implementation of the post processing step to remove
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+ * any parts of the mesh structure from the imported data.
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+*/
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+#include "RemoveVCProcess.h"
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+#include "../include/DefaultLogger.h"
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+#include "../include/aiPostProcess.h"
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+#include "../include/aiScene.h"
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+#include "../include/aiConfig.h"
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+
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+using namespace Assimp;
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+
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+// ------------------------------------------------------------------------------------------------
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+// Constructor to be privately used by Importer
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+RemoveVCProcess::RemoveVCProcess()
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+{
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+}
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+
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+// ------------------------------------------------------------------------------------------------
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+// Destructor, private as well
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+RemoveVCProcess::~RemoveVCProcess()
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+{
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+ // nothing to do here
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+}
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+
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+// ------------------------------------------------------------------------------------------------
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+// Returns whether the processing step is present in the given flag field.
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+bool RemoveVCProcess::IsActive( unsigned int pFlags) const
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+{
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+ return (pFlags & aiProcess_RemVertexComponentXYZ) != 0;
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+}
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+
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+// ------------------------------------------------------------------------------------------------
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+// Executes the post processing step on the given imported data.
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+void RemoveVCProcess::Execute( aiScene* pScene)
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+{
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+ DefaultLogger::get()->debug("RemoveVCProcess begin");
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+
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+ bool bHas = false;
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+ for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
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+ {
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+ if( this->ProcessMesh( pScene->mMeshes[a]))
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+ bHas = true;
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+ }
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+ if (bHas)DefaultLogger::get()->info("RemoveVCProcess finished. The specified vertex components have been removed");
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+ else DefaultLogger::get()->debug("RemoveVCProcess finished. There was nothing to do ..");
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+
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+}
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+
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+// ------------------------------------------------------------------------------------------------
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+// Setup configuration properties for the step
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+void RemoveVCProcess::SetupProperties(const Importer* pImp)
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+{
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+ configDeleteFlags = pImp->GetPropertyInteger(AI_CONFIG_PP_RVC_FLAGS,0x0);
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+ if (!configDeleteFlags)
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+ {
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+ DefaultLogger::get()->warn("RemoveVCProcess: AI_CONFIG_PP_RVC_FLAGS is zero, no streams selected");
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+ }
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+}
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+
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+// ------------------------------------------------------------------------------------------------
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+// Executes the post processing step on the given imported data.
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+bool RemoveVCProcess::ProcessMesh(aiMesh* pMesh)
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+{
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+
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+ // handle normals
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+ if (configDeleteFlags & aiVertexComponent_NORMALS && pMesh->mNormals)
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+ {
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+ delete[] pMesh->mNormals;
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+ pMesh->mNormals = NULL;
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+ }
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+
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+ // handle tangents and bitangents
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+ if (configDeleteFlags & aiVertexComponent_TANGENTS_AND_BITANGENTS && pMesh->mTangents)
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+ {
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+ delete[] pMesh->mTangents;
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+ pMesh->mTangents = NULL;
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+
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+ delete[] pMesh->mBitangents;
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+ pMesh->mBitangents = NULL;
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+ }
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+
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+ // handle texture coordinates
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+ register bool b = (0 != (configDeleteFlags & aiVertexComponent_TEXCOORDS));
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+ for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i)
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+ {
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+ if (!pMesh->mTextureCoords[i])break;
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+ if (configDeleteFlags & aiVertexComponent_TEXCOORDSn(i) || b)
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+ {
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+ delete pMesh->mTextureCoords[i];
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+ pMesh->mTextureCoords[i] = NULL;
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+
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+ if (!b)
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+ {
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+ // collapse the rest of the array
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+ unsigned int a;
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+ for (a = i+1; a < AI_MAX_NUMBER_OF_TEXTURECOORDS;++a)
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+ {
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+ pMesh->mTextureCoords[a-1] = pMesh->mTextureCoords[a];
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+ }
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+ pMesh->mTextureCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS-1] = NULL;
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+ }
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+ }
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+ }
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+
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+ // handle vertex colors
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+ b = (0 != (configDeleteFlags & aiVertexComponent_COLORS));
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+ for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i)
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+ {
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+ if (!pMesh->mColors[i])break;
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+ if (configDeleteFlags & aiVertexComponent_COLORSn(i) || b)
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+ {
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+ delete pMesh->mColors[i];
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+ pMesh->mColors[i] = NULL;
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+
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+ if (!b)
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+ {
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+ // collapse the rest of the array
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+ unsigned int a;
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+ for (a = i+1; a < AI_MAX_NUMBER_OF_COLOR_SETS;++a)
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+ {
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+ pMesh->mColors[a-1] = pMesh->mColors[a];
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+ }
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+ pMesh->mColors[AI_MAX_NUMBER_OF_COLOR_SETS-1] = NULL;
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+ }
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+ }
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+ }
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+
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+ return true;
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+}
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aramis_acg