e89a55d154
I didn't apply the changes to a few macro-heavy files as Visual Studio removes all indentation from macros, whereas the indentation can be handy to see nesting.
506 lines
21 KiB
C++
506 lines
21 KiB
C++
/*******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 David Williams and Matthew Williams
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*******************************************************************************/
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#include <array>
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#define CAN_GO_NEG_X(val) (val > 0)
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#define CAN_GO_POS_X(val) (val < this->m_uChunkSideLengthMinusOne)
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#define CAN_GO_NEG_Y(val) (val > 0)
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#define CAN_GO_POS_Y(val) (val < this->m_uChunkSideLengthMinusOne)
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#define CAN_GO_NEG_Z(val) (val > 0)
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#define CAN_GO_POS_Z(val) (val < this->m_uChunkSideLengthMinusOne)
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#define NEG_X_DELTA (-(deltaX[this->m_uXPosInChunk-1]))
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#define POS_X_DELTA (deltaX[this->m_uXPosInChunk])
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#define NEG_Y_DELTA (-(deltaY[this->m_uYPosInChunk-1]))
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#define POS_Y_DELTA (deltaY[this->m_uYPosInChunk])
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#define NEG_Z_DELTA (-(deltaZ[this->m_uZPosInChunk-1]))
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#define POS_Z_DELTA (deltaZ[this->m_uZPosInChunk])
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namespace PolyVox
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{
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// These precomputed offset are used to determine how much we move our pointer by to move a single voxel in the x, y, or z direction given an x, y, or z starting position inside a chunk.
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// More information in this discussion: https://bitbucket.org/volumesoffun/polyvox/issue/61/experiment-with-morton-ordering-of-voxel
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static const std::array<int32_t, 256> deltaX = { 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 28087, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 224695, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 28087, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 1797559, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 28087, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 224695, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 28087, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1 };
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static const std::array<int32_t, 256> deltaY = { 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 56174, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 449390, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 56174, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 3595118, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 56174, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 449390, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 56174, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2 };
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static const std::array<int32_t, 256> deltaZ = { 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 112348, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 898780, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 112348, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 7190236, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 112348, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 898780, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 112348, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4 };
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template <typename VoxelType>
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PagedVolume<VoxelType>::Sampler::Sampler(PagedVolume<VoxelType>* volume)
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:BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >(volume), m_uChunkSideLengthMinusOne(volume->m_uChunkSideLength - 1)
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{
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}
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template <typename VoxelType>
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PagedVolume<VoxelType>::Sampler::~Sampler()
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{
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::getVoxel(void) const
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{
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return *mCurrentVoxel;
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}
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template <typename VoxelType>
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void PagedVolume<VoxelType>::Sampler::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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void PagedVolume<VoxelType>::Sampler::setPosition(int32_t xPos, int32_t yPos, int32_t zPos)
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{
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::setPosition(xPos, yPos, zPos);
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// Then we update the voxel pointer
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const int32_t uXChunk = this->mXPosInVolume >> this->mVolume->m_uChunkSideLengthPower;
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const int32_t uYChunk = this->mYPosInVolume >> this->mVolume->m_uChunkSideLengthPower;
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const int32_t uZChunk = this->mZPosInVolume >> this->mVolume->m_uChunkSideLengthPower;
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m_uXPosInChunk = static_cast<uint16_t>(this->mXPosInVolume - (uXChunk << this->mVolume->m_uChunkSideLengthPower));
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m_uYPosInChunk = static_cast<uint16_t>(this->mYPosInVolume - (uYChunk << this->mVolume->m_uChunkSideLengthPower));
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m_uZPosInChunk = static_cast<uint16_t>(this->mZPosInVolume - (uZChunk << this->mVolume->m_uChunkSideLengthPower));
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uint32_t uVoxelIndexInChunk = morton256_x[m_uXPosInChunk] | morton256_y[m_uYPosInChunk] | morton256_z[m_uZPosInChunk];
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auto pCurrentChunk = this->mVolume->canReuseLastAccessedChunk(uXChunk, uYChunk, uZChunk) ?
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this->mVolume->m_pLastAccessedChunk : this->mVolume->getChunk(uXChunk, uYChunk, uZChunk);
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mCurrentVoxel = pCurrentChunk->m_tData + uVoxelIndexInChunk;
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}
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template <typename VoxelType>
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bool PagedVolume<VoxelType>::Sampler::setVoxel(VoxelType tValue)
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{
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//Need to think what effect this has on any existing iterators.
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POLYVOX_THROW(not_implemented, "This function cannot be used on PagedVolume samplers.");
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return false;
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}
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template <typename VoxelType>
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void PagedVolume<VoxelType>::Sampler::movePositiveX(void)
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{
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::movePositiveX();
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// Then we update the voxel pointer
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if (CAN_GO_POS_X(this->m_uXPosInChunk))
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{
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//No need to compute new chunk.
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mCurrentVoxel += POS_X_DELTA;
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this->m_uXPosInChunk++;
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}
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else
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{
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//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void PagedVolume<VoxelType>::Sampler::movePositiveY(void)
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{
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::movePositiveY();
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// Then we update the voxel pointer
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if (CAN_GO_POS_Y(this->m_uYPosInChunk))
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{
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//No need to compute new chunk.
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mCurrentVoxel += POS_Y_DELTA;
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this->m_uYPosInChunk++;
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}
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else
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{
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//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void PagedVolume<VoxelType>::Sampler::movePositiveZ(void)
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{
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::movePositiveZ();
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// Then we update the voxel pointer
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if (CAN_GO_POS_Z(this->m_uZPosInChunk))
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{
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//No need to compute new chunk.
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mCurrentVoxel += POS_Z_DELTA;
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this->m_uZPosInChunk++;
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}
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else
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{
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//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void PagedVolume<VoxelType>::Sampler::moveNegativeX(void)
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{
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::moveNegativeX();
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// Then we update the voxel pointer
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if (CAN_GO_NEG_X(this->m_uXPosInChunk))
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{
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//No need to compute new chunk.
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mCurrentVoxel += NEG_X_DELTA;
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this->m_uXPosInChunk--;
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}
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else
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{
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//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void PagedVolume<VoxelType>::Sampler::moveNegativeY(void)
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{
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::moveNegativeY();
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// Then we update the voxel pointer
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if (CAN_GO_NEG_Y(this->m_uYPosInChunk))
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{
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//No need to compute new chunk.
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mCurrentVoxel += NEG_Y_DELTA;
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this->m_uYPosInChunk--;
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}
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else
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{
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//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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}
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template <typename VoxelType>
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void PagedVolume<VoxelType>::Sampler::moveNegativeZ(void)
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{
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// Base version updates position and validity flags.
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BaseVolume<VoxelType>::template Sampler< PagedVolume<VoxelType> >::moveNegativeZ();
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// Then we update the voxel pointer
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if (CAN_GO_NEG_Z(this->m_uZPosInChunk))
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{
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//No need to compute new chunk.
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mCurrentVoxel += NEG_Z_DELTA;
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this->m_uZPosInChunk--;
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}
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else
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{
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//We've hit the chunk boundary. Just calling setPosition() is the easiest way to resolve this.
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setPosition(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume);
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}
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1ny1nz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_NEG_Y(this->m_uYPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + NEG_Y_DELTA + NEG_Z_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume - 1, this->mZPosInVolume - 1);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1ny0pz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_NEG_Y(this->m_uYPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + NEG_Y_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume - 1, this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1ny1pz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_NEG_Y(this->m_uYPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + NEG_Y_DELTA + POS_Z_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume - 1, this->mZPosInVolume + 1);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx0py1nz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + NEG_Z_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume, this->mZPosInVolume - 1);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx0py0pz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume, this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx0py1pz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + POS_Z_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume, this->mZPosInVolume + 1);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1py1nz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_POS_Y(this->m_uYPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + POS_Y_DELTA + NEG_Z_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume + 1, this->mZPosInVolume - 1);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1py0pz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_POS_Y(this->m_uYPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + POS_Y_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume + 1, this->mZPosInVolume);
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}
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1nx1py1pz(void) const
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{
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if (CAN_GO_NEG_X(this->m_uXPosInChunk) && CAN_GO_POS_Y(this->m_uYPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
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{
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return *(mCurrentVoxel + NEG_X_DELTA + POS_Y_DELTA + POS_Z_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume - 1, this->mYPosInVolume + 1, this->mZPosInVolume + 1);
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}
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//////////////////////////////////////////////////////////////////////////
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template <typename VoxelType>
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VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1ny1nz(void) const
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{
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if (CAN_GO_NEG_Y(this->m_uYPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
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{
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return *(mCurrentVoxel + NEG_Y_DELTA + NEG_Z_DELTA);
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}
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return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume - 1, this->mZPosInVolume - 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1ny0pz(void) const
|
|
{
|
|
if (CAN_GO_NEG_Y(this->m_uYPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + NEG_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume - 1, this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1ny1pz(void) const
|
|
{
|
|
if (CAN_GO_NEG_Y(this->m_uYPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + NEG_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume - 1, this->mZPosInVolume + 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px0py1nz(void) const
|
|
{
|
|
if (CAN_GO_NEG_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume - 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px0py0pz(void) const
|
|
{
|
|
return *mCurrentVoxel;
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px0py1pz(void) const
|
|
{
|
|
if (CAN_GO_POS_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume, this->mZPosInVolume + 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1py1nz(void) const
|
|
{
|
|
if (CAN_GO_POS_Y(this->m_uYPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume + 1, this->mZPosInVolume - 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1py0pz(void) const
|
|
{
|
|
if (CAN_GO_POS_Y(this->m_uYPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume + 1, this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel0px1py1pz(void) const
|
|
{
|
|
if (CAN_GO_POS_Y(this->m_uYPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume, this->mYPosInVolume + 1, this->mZPosInVolume + 1);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1ny1nz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_NEG_Y(this->m_uYPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume - 1, this->mZPosInVolume - 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1ny0pz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_NEG_Y(this->m_uYPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume - 1, this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1ny1pz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_NEG_Y(this->m_uYPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume - 1, this->mZPosInVolume + 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px0py1nz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume, this->mZPosInVolume - 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px0py0pz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume, this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px0py1pz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume, this->mZPosInVolume + 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1py1nz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_POS_Y(this->m_uYPosInChunk) && CAN_GO_NEG_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Y_DELTA + NEG_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume + 1, this->mZPosInVolume - 1);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1py0pz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_POS_Y(this->m_uYPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Y_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume + 1, this->mZPosInVolume);
|
|
}
|
|
|
|
template <typename VoxelType>
|
|
VoxelType PagedVolume<VoxelType>::Sampler::peekVoxel1px1py1pz(void) const
|
|
{
|
|
if (CAN_GO_POS_X(this->m_uXPosInChunk) && CAN_GO_POS_Y(this->m_uYPosInChunk) && CAN_GO_POS_Z(this->m_uZPosInChunk))
|
|
{
|
|
return *(mCurrentVoxel + POS_X_DELTA + POS_Y_DELTA + POS_Z_DELTA);
|
|
}
|
|
return this->mVolume->getVoxel(this->mXPosInVolume + 1, this->mYPosInVolume + 1, this->mZPosInVolume + 1);
|
|
}
|
|
}
|
|
|
|
#undef CAN_GO_NEG_X
|
|
#undef CAN_GO_POS_X
|
|
#undef CAN_GO_NEG_Y
|
|
#undef CAN_GO_POS_Y
|
|
#undef CAN_GO_NEG_Z
|
|
#undef CAN_GO_POS_Z
|
|
|
|
#undef NEG_X_DELTA
|
|
#undef POS_X_DELTA
|
|
#undef NEG_Y_DELTA
|
|
#undef POS_Y_DELTA
|
|
#undef NEG_Z_DELTA
|
|
#undef POS_Z_DELTA |