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SingularityViewer/indra/libndhacd/nd_hacdStructs.cpp
2013-01-13 03:23:56 +01:00

108 lines
2.5 KiB
C++

/**
* copyright 2011 sl.nicky.ml@googlemail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "nd_hacdStructs.h"
#include "LLConvexDecomposition.h"
void DecompHull::clear()
{
mVertices.clear();
mTriangles.clear();
mLLVertices.clear();
mLLTriangles.clear();
}
void DecompHull::computeLLVertices()
{
if ( mLLVertices.size()*3 != mVertices.size() )
{
for ( size_t i = 0; i < mVertices.size(); ++i )
{
mLLVertices.push_back( static_cast<float>( mVertices[i].X() ) );
mLLVertices.push_back( static_cast<float>( mVertices[i].Y() ) );
mLLVertices.push_back( static_cast<float>( mVertices[i].Z() ) );
}
}
}
void DecompHull::computeLLTriangles()
{
if ( mLLTriangles.size()*3 != mTriangles.size() )
{
for ( size_t i = 0; i < mTriangles.size(); ++i )
{
mLLTriangles.push_back( mTriangles[i].X() );
mLLTriangles.push_back( mTriangles[i].Y() );
mLLTriangles.push_back( mTriangles[i].Z() );
}
}
}
void DecompHull::toLLHull( LLCDHull *aHull )
{
computeLLVertices();
aHull->mVertexBase = &mLLVertices[0];
aHull->mVertexStrideBytes = sizeof( float ) * 3;
aHull->mNumVertices = mVertices.size();
}
void DecompHull::toLLMesh( LLCDMeshData *aMesh )
{
computeLLVertices();
computeLLTriangles();
aMesh->mIndexType = LLCDMeshData::INT_32;
aMesh->mVertexBase = &mLLVertices[0];
aMesh->mNumVertices = mVertices.size();
aMesh->mVertexStrideBytes = sizeof( float ) * 3;
aMesh->mIndexBase = &mLLTriangles[0];
aMesh->mIndexStrideBytes = sizeof( hacdUINT32 ) * 3;
aMesh->mNumTriangles = mTriangles.size();
}
void DecompData::clear()
{
mHulls.clear();
}
HACDDecoder::HACDDecoder()
{
mStages.resize( NUM_STAGES );
mCallback = 0;
}
void HACDDecoder::clear()
{
mVertices.clear();
mTriangles.clear();
for ( size_t i = 0; i < mStages.size(); ++i )
mStages[i].clear();
mSingleHull.clear();
mCallback = 0;
}