/usr/include/oce/BVH_QueueBuilder.lxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Created by: Denis BOGOLEPOV
// Copyright (c) 2013-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
// =======================================================================
// function : BVH_QueueBuilder
// purpose : Creates new BVH queue based builder
// =======================================================================
template<class T, int N>
BVH_QueueBuilder<T, N>::BVH_QueueBuilder (const Standard_Integer theLeafNodeSize,
const Standard_Integer theMaxTreeDepth)
: BVH_Builder<T, N> (theLeafNodeSize,
theMaxTreeDepth)
{
//
}
// =======================================================================
// function : ~BVH_QueueBuilder
// purpose : Releases resources of BVH queue based builder
// =======================================================================
template<class T, int N>
BVH_QueueBuilder<T, N>::~BVH_QueueBuilder()
{
//
}
// =======================================================================
// function : Build
// purpose : Builds BVH using specific algorithm
// =======================================================================
template<class T, int N>
void BVH_QueueBuilder<T, N>::Build (BVH_Set<T, N>* theSet,
BVH_Tree<T, N>* theBVH,
const BVH_Box<T, N>& theBox)
{
if (theBVH == NULL)
{
return;
}
theBVH->Clear();
if (theSet->Size() == 0)
{
return;
}
const Standard_Integer aRoot = theBVH->AddLeafNode (theBox, 0, theSet->Size() - 1);
if (theSet->Size() == 1)
{
return;
}
myTasksQueue.Append (aRoot);
for (Standard_Integer aTask = 0; aTask < myTasksQueue.Size(); ++aTask)
{
BuildNode (theSet, theBVH, myTasksQueue.Value (aTask));
}
myTasksQueue.Clear();
}
// =======================================================================
// function : BuildNode
// purpose : Builds BVH node for the given task info
// =======================================================================
template<class T, int N>
void BVH_QueueBuilder<T, N>::BuildNode (BVH_Set<T, N>* /* theSet */,
BVH_Tree<T, N>* /* theBVH */,
const Standard_Integer /* theTask */)
{
// needed to disable compile warnings
}
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