polyvox/include/PolyVox/Impl/IteratorController.inl

65 lines
2.2 KiB
C++

/*******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2015 David Williams and Matthew Williams
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*******************************************************************************/
namespace PolyVox
{
template <typename IteratorType>
void IteratorController<IteratorType>::reset(void)
{
m_Iter->setPosition(m_regValid.getLowerCorner());
}
template <typename IteratorType>
bool IteratorController<IteratorType>::moveForward(void)
{
Vector3DInt32 v3dInitialPosition(m_Iter->getPosition().getX(), m_Iter->getPosition().getY(), m_Iter->getPosition().getZ());
if (v3dInitialPosition.getX() < m_regValid.getUpperX())
{
m_Iter->movePositiveX();
return true;
}
v3dInitialPosition.setX(m_regValid.getLowerX());
if (v3dInitialPosition.getY() < m_regValid.getUpperY())
{
v3dInitialPosition.setY(v3dInitialPosition.getY() + 1);
m_Iter->setPosition(v3dInitialPosition);
return true;
}
v3dInitialPosition.setY(m_regValid.getLowerY());
if (v3dInitialPosition.getZ() < m_regValid.getUpperZ())
{
v3dInitialPosition.setZ(v3dInitialPosition.getZ() + 1);
m_Iter->setPosition(v3dInitialPosition);
return true;
}
return false;
}
}