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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#include "Wm5MathematicsPCH.h"
#include "Wm5ConvexHull.h"
#include "Wm5Memory.h"
namespace Wm5
{
//----------------------------------------------------------------------------
template <typename Real>
ConvexHull<Real>::ConvexHull (int numVertices, Real epsilon, bool owner,
Query::Type queryType)
:
mQueryType(queryType),
mNumVertices(numVertices),
mDimension(0),
mNumSimplices(0),
mIndices(0),
mEpsilon(epsilon),
mOwner(owner)
{
assertion(mNumVertices > 0 && mEpsilon >= (Real)0, "Invalid inputs\n");
}
//----------------------------------------------------------------------------
template <typename Real>
ConvexHull<Real>::~ConvexHull ()
{
delete1(mIndices);
}
//----------------------------------------------------------------------------
template <typename Real>
int ConvexHull<Real>::GetQueryType () const
{
return mQueryType;
}
//----------------------------------------------------------------------------
template <typename Real>
int ConvexHull<Real>::GetNumVertices () const
{
return mNumVertices;
}
//----------------------------------------------------------------------------
template <typename Real>
Real ConvexHull<Real>::GetEpsilon () const
{
return mEpsilon;
}
//----------------------------------------------------------------------------
template <typename Real>
bool ConvexHull<Real>::GetOwner () const
{
return mOwner;
}
//----------------------------------------------------------------------------
template <typename Real>
int ConvexHull<Real>::GetDimension () const
{
return mDimension;
}
//----------------------------------------------------------------------------
template <typename Real>
int ConvexHull<Real>::GetNumSimplices () const
{
return mNumSimplices;
}
//----------------------------------------------------------------------------
template <typename Real>
const int* ConvexHull<Real>::GetIndices () const
{
return mIndices;
}
//----------------------------------------------------------------------------
template <typename Real>
bool ConvexHull<Real>::Load (FileIO& inFile)
{
delete1(mIndices);
// Fixed-size members.
int type;
inFile.Read(sizeof(int), &type);
mQueryType = (Query::Type)type;
inFile.Read(sizeof(int), &mNumVertices);
inFile.Read(sizeof(int), &mDimension);
inFile.Read(sizeof(int), &mNumSimplices);
inFile.Read(sizeof(Real), &mEpsilon);
// Variable-size members.
int numIndices;
inFile.Read(sizeof(int), &numIndices);
if (1 <= mDimension && mDimension <= 3)
{
assertion(numIndices == (mDimension+1)*mNumSimplices,
"Inconsistent index count\n");
mIndices = new1<int>(numIndices);
inFile.Read(sizeof(int), numIndices, mIndices);
return true;
}
mIndices = 0;
return mDimension == 0;
}
//----------------------------------------------------------------------------
template <typename Real>
bool ConvexHull<Real>::Save (FileIO& outFile) const
{
// Fixed-size members.
int type = (int)mQueryType;
outFile.Write(sizeof(int), &type);
outFile.Write(sizeof(int), &mNumVertices);
outFile.Write(sizeof(int), &mDimension);
outFile.Write(sizeof(int), &mNumSimplices);
outFile.Write(sizeof(Real), &mEpsilon);
// The member mOwner is not streamed because on a Load call, this
// object will allocate the vertices and own this memory.
// Variable-size members.
int numIndices;
if (1 <= mDimension && mDimension <= 3)
{
numIndices = (mDimension+1)*mNumSimplices;
outFile.Write(sizeof(int), &numIndices);
outFile.Write(sizeof(int), numIndices, mIndices);
return true;
}
numIndices = 0;
outFile.Write(sizeof(int), &numIndices);
return mDimension == 0;
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Explicit instantiation.
//----------------------------------------------------------------------------
template WM5_MATHEMATICS_ITEM
class ConvexHull<float>;
template WM5_MATHEMATICS_ITEM
class ConvexHull<double>;
//----------------------------------------------------------------------------
}
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