385 lines
13 KiB
C++
385 lines
13 KiB
C++
/*******************************************************************************
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Copyright (c) 2005-2009 David Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#include "PolyVoxCore/Impl/Utility.h"
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namespace PolyVox
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{
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::Sampler(DerivedVolumeType* volume)
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:mVolume(volume)
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,mXPosInVolume(0)
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,mYPosInVolume(0)
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,mZPosInVolume(0)
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,m_eWrapMode(WrapModes::Border)
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,m_tBorder(0)
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,m_bIsCurrentPositionValidInX(false)
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,m_bIsCurrentPositionValidInY(false)
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,m_bIsCurrentPositionValidInZ(false)
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{
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::~Sampler()
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{
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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Vector3DInt32 BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::getPosition(void) const
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{
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return Vector3DInt32(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::getVoxel(void) const
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{
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return mVolume->getVoxelAt(mXPosInVolume, mYPosInVolume, mZPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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bool inline BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::isCurrentPositionValid(void) const
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{
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return m_bIsCurrentPositionValidInX && m_bIsCurrentPositionValidInY && m_bIsCurrentPositionValidInZ;
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::setPosition(const Vector3DInt32& v3dNewPos)
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{
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setPosition(v3dNewPos.getX(), v3dNewPos.getY(), v3dNewPos.getZ());
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::setPosition(int32_t xPos, int32_t yPos, int32_t zPos)
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{
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mXPosInVolume = xPos;
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mYPosInVolume = yPos;
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mZPosInVolume = zPos;
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m_bIsCurrentPositionValidInX = mVolume->getEnclosingRegion().containsPointInX(xPos);
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m_bIsCurrentPositionValidInY = mVolume->getEnclosingRegion().containsPointInY(yPos);
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m_bIsCurrentPositionValidInZ = mVolume->getEnclosingRegion().containsPointInZ(zPos);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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bool BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::setVoxel(VoxelType tValue)
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{
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return mVolume->setVoxelAt(mXPosInVolume, mYPosInVolume, mZPosInVolume, tValue);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::setWrapMode(WrapMode eWrapMode, VoxelType tBorder)
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{
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m_eWrapMode = eWrapMode;
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m_tBorder = tBorder;
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::movePositiveX(void)
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{
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mXPosInVolume++;
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m_bIsCurrentPositionValidInX = mVolume->getEnclosingRegion().containsPointInX(mXPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::movePositiveY(void)
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{
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mYPosInVolume++;
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m_bIsCurrentPositionValidInY = mVolume->getEnclosingRegion().containsPointInY(mYPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::movePositiveZ(void)
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{
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mZPosInVolume++;
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m_bIsCurrentPositionValidInZ = mVolume->getEnclosingRegion().containsPointInZ(mZPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::moveNegativeX(void)
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{
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mXPosInVolume--;
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m_bIsCurrentPositionValidInX = mVolume->getEnclosingRegion().containsPointInX(mXPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::moveNegativeY(void)
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{
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mYPosInVolume--;
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m_bIsCurrentPositionValidInY = mVolume->getEnclosingRegion().containsPointInY(mYPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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void BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::moveNegativeZ(void)
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{
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mZPosInVolume--;
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m_bIsCurrentPositionValidInZ = mVolume->getEnclosingRegion().containsPointInZ(mZPosInVolume);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx1ny1nz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume - 1, mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx1ny0pz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume - 1, mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx1ny1pz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume - 1, mZPosInVolume + 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx0py1nz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume , mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx0py0pz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume , mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx0py1pz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume , mZPosInVolume + 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx1py1nz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume + 1, mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx1py0pz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume + 1, mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1nx1py1pz(void) const
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{
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return getVoxelAt(mXPosInVolume - 1, mYPosInVolume + 1, mZPosInVolume + 1);
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}
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//////////////////////////////////////////////////////////////////////////
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px1ny1nz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume - 1, mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px1ny0pz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume - 1, mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px1ny1pz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume - 1, mZPosInVolume + 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px0py1nz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume , mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px0py0pz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume , mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px0py1pz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume , mZPosInVolume + 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px1py1nz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume + 1, mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px1py0pz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume + 1, mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel0px1py1pz(void) const
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{
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return getVoxelAt(mXPosInVolume , mYPosInVolume + 1, mZPosInVolume + 1);
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}
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//////////////////////////////////////////////////////////////////////////
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px1ny1nz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume - 1, mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px1ny0pz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume - 1, mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px1ny1pz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume - 1, mZPosInVolume + 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px0py1nz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume , mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px0py0pz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume , mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px0py1pz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume , mZPosInVolume + 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px1py1nz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume + 1, mZPosInVolume - 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px1py0pz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume + 1, mZPosInVolume );
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::peekVoxel1px1py1pz(void) const
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{
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return getVoxelAt(mXPosInVolume + 1, mYPosInVolume + 1, mZPosInVolume + 1);
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}
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template <typename VoxelType>
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template <typename DerivedVolumeType>
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VoxelType BaseVolume<VoxelType>::Sampler<DerivedVolumeType>::getVoxelAt(int32_t uXPos, int32_t uYPos, int32_t uZPos) const
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{
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if(mVolume->getEnclosingRegion().containsPoint(uXPos, uYPos, uZPos))
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{
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return mVolume->getVoxelAt(uXPos, uYPos, uZPos);
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}
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else
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{
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switch(m_eWrapMode)
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{
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case WrapModes::Clamp:
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{
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const Vector3DInt32& lowerCorner = mVolume->m_regValidRegion.getLowerCorner();
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const Vector3DInt32& upperCorner = mVolume->m_regValidRegion.getUpperCorner();
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int32_t iClampedX = clamp(uXPos, lowerCorner.getX(), upperCorner.getX());
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int32_t iClampedY = clamp(uYPos, lowerCorner.getY(), upperCorner.getY());
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int32_t iClampedZ = clamp(uZPos, lowerCorner.getZ(), upperCorner.getZ());
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return mVolume->getVoxelAt(iClampedX, iClampedY, iClampedZ);
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//No need to break as we've returned
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}
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case WrapModes::Border:
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{
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return m_tBorder;
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//No need to break as we've returned
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}
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default:
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{
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//Should never happen
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POLYVOX_ASSERT(false, "Invalid case.");
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return VoxelType(0);
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}
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}
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}
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}
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}
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