Field3D
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#include <SparseField.h>
Public Types | |
typedef SparseField< Data_T > | class_type |
Public Member Functions | |
const_iterator (const class_type &field, const Box3i &window, const V3i ¤tPos, int blockOrder) | |
template<class Iter_T > | |
bool | operator!= (const Iter_T &rhs) const |
const Data_T & | operator* () const |
const const_iterator & | operator++ () |
const Data_T * | operator-> () const |
template<class Iter_T > | |
bool | operator== (const Iter_T &rhs) const |
~const_iterator () | |
Public Attributes | |
int | x |
Current x/y/z coord. | |
int | y |
int | z |
Private Types | |
typedef Sparse::SparseBlock < Data_T > | Block |
Private Member Functions | |
void | setupNextBlock (int i, int j, int k) |
Private Attributes | |
int | m_blockI |
Current block index. | |
int | m_blockId |
bool | m_blockIsActivated |
Used with delayed-load fields. Check if we've already activated the current blocks. | |
int | m_blockJ |
int | m_blockK |
int | m_blockOrder |
Block size. | |
int | m_blockStepsTicker |
Ticker for how many more steps to take before resetting the pointer. | |
const class_type * | m_field |
Reference to field we're traversing. | |
bool | m_isEmptyBlock |
Whether we're at an empty block and we don't increment m_p. | |
SparseFileManager * | m_manager |
Pointer to the singleton file manager. | |
const Data_T * | m_p |
Current pointed-to element. | |
Box3i | m_window |
Window to traverse. |
Definition at line 630 of file SparseField.h.
typedef SparseField<Data_T> SparseField< Data_T >::const_iterator::class_type |
Definition at line 633 of file SparseField.h.
typedef Sparse::SparseBlock<Data_T> SparseField< Data_T >::const_iterator::Block [private] |
Definition at line 730 of file SparseField.h.
SparseField< Data_T >::const_iterator::const_iterator | ( | const class_type & | field, |
const Box3i & | window, | ||
const V3i & | currentPos, | ||
int | blockOrder | ||
) | [inline] |
Definition at line 634 of file SparseField.h.
: x(currentPos.x), y(currentPos.y), z(currentPos.z), m_p(NULL), m_blockIsActivated(false), m_blockStepsTicker(0), m_blockOrder(blockOrder), m_blockId(-1), m_window(window), m_field(&field) { m_manager = m_field->m_fileManager; setupNextBlock(x, y, z); }
SparseField< Data_T >::const_iterator::~const_iterator | ( | ) | [inline] |
const const_iterator& SparseField< Data_T >::const_iterator::operator++ | ( | ) | [inline] |
Definition at line 652 of file SparseField.h.
References SparseField< Data_T >::m_blockOrder, and Field< Data_T >::const_iterator::x.
{ bool resetPtr = false; // Check against end of data window if (x == m_window.max.x) { if (y == m_window.max.y) { x = m_window.min.x; y = m_window.min.y; ++z; resetPtr = true; } else { x = m_window.min.x; ++y; resetPtr = true; } } else { ++x; } // These can both safely be incremented here ++m_blockStepsTicker; // ... but only step forward if we're in a non-empty block if (!m_isEmptyBlock && (!m_manager || m_blockIsActivated)) ++m_p; // Check if we've reached the end of this block if (m_blockStepsTicker == (1 << m_blockOrder)) resetPtr = true; if (resetPtr) { // If we have, we need to reset the current block, etc. m_blockStepsTicker = 0; setupNextBlock(x, y, z); } return *this; }
bool SparseField< Data_T >::const_iterator::operator== | ( | const Iter_T & | rhs | ) | const [inline] |
Definition at line 686 of file SparseField.h.
bool SparseField< Data_T >::const_iterator::operator!= | ( | const Iter_T & | rhs | ) | const [inline] |
Definition at line 691 of file SparseField.h.
const Data_T& SparseField< Data_T >::const_iterator::operator* | ( | ) | const [inline] |
Definition at line 695 of file SparseField.h.
References SparseField< Data_T >::m_blockOrder, and Sparse::SparseBlock< Data_T >::value().
{ if (!m_isEmptyBlock && m_manager && !m_blockIsActivated) { m_manager->activateBlock<Data_T>(m_field->m_fileId, m_blockId); m_blockIsActivated = true; const Block &block = m_field->m_blocks[m_blockId]; int vi, vj, vk; m_field->getVoxelInBlock(x, y, z, vi, vj, vk); m_p = &block.value(vi, vj, vk, m_blockOrder); } return *m_p; }
const Data_T* SparseField< Data_T >::const_iterator::operator-> | ( | ) | const [inline] |
Definition at line 707 of file SparseField.h.
References SparseFileManager::activateBlock(), SparseField< Data_T >::m_blockOrder, and Sparse::SparseBlock< Data_T >::value().
{ if (!m_isEmptyBlock && m_manager && !m_blockIsActivated) { SparseFileManager *manager = m_field->m_fileManager; manager->activateBlock<Data_T>(m_field->m_fileId, m_blockId); m_blockIsActivated = true; const Block &block = m_field->m_blocks[m_blockId]; int vi, vj, vk; m_field->getVoxelInBlock(x, y, z, vi, vj, vk); m_p = &block.value(vi, vj, vk, m_blockOrder); } return m_p; }
void SparseField< Data_T >::const_iterator::setupNextBlock | ( | int | i, |
int | j, | ||
int | k | ||
) | [inline, private] |
Definition at line 734 of file SparseField.h.
References Sparse::SparseBlock< Data_T >::emptyValue, Sparse::SparseBlock< Data_T >::isAllocated, SparseField< Data_T >::m_blockOrder, and Sparse::SparseBlock< Data_T >::value().
{ m_field->applyDataWindowOffset(i, j, k); m_field->getBlockCoord(i, j, k, m_blockI, m_blockJ, m_blockK); int oldBlockId = m_blockId; m_blockId = m_field->blockId(m_blockI, m_blockJ, m_blockK); if (m_manager && oldBlockId != m_blockId && oldBlockId >= 0 && oldBlockId < static_cast<int>(m_field->m_blocks.size()) && m_field->m_blocks[oldBlockId].isAllocated) { m_manager->decBlockRef<Data_T>(m_field->m_fileId, oldBlockId); } if (m_blockId >= m_field->m_blockXYSize * m_field->m_blockRes.z) { m_isEmptyBlock = true; return; } const Block &block = m_field->m_blocks[m_blockId]; int vi, vj, vk; m_field->getVoxelInBlock(i, j, k, vi, vj, vk); m_blockStepsTicker = vi; if (block.isAllocated) { if (m_manager && oldBlockId != m_blockId && m_blockId >= 0) { m_manager->incBlockRef<Data_T>(m_field->m_fileId, m_blockId); // this is a managed field, so the block may not be loaded // yet, so don't bother setting m_p yet (it'll get set in the // * and -> operators when the block is activated) } else { // only set m_p to the voxel's address if this is not a // managed field, i.e., if the data is already in memory. m_p = &block.value(vi, vj, vk, m_blockOrder); } m_isEmptyBlock = false; } else { m_p = &block.emptyValue; m_isEmptyBlock = true; } if (m_field->m_fileManager) { m_blockIsActivated = false; } }
int SparseField< Data_T >::const_iterator::x |
Current x/y/z coord.
Definition at line 724 of file SparseField.h.
int SparseField< Data_T >::const_iterator::y |
Definition at line 724 of file SparseField.h.
int SparseField< Data_T >::const_iterator::z |
Definition at line 724 of file SparseField.h.
const Data_T* SparseField< Data_T >::const_iterator::m_p [mutable, private] |
Current pointed-to element.
Definition at line 777 of file SparseField.h.
bool SparseField< Data_T >::const_iterator::m_isEmptyBlock [private] |
Whether we're at an empty block and we don't increment m_p.
Definition at line 779 of file SparseField.h.
bool SparseField< Data_T >::const_iterator::m_blockIsActivated [mutable, private] |
Used with delayed-load fields. Check if we've already activated the current blocks.
Definition at line 782 of file SparseField.h.
int SparseField< Data_T >::const_iterator::m_blockStepsTicker [private] |
Ticker for how many more steps to take before resetting the pointer.
Definition at line 784 of file SparseField.h.
int SparseField< Data_T >::const_iterator::m_blockOrder [private] |
Block size.
Definition at line 786 of file SparseField.h.
int SparseField< Data_T >::const_iterator::m_blockI [private] |
Current block index.
Definition at line 788 of file SparseField.h.
int SparseField< Data_T >::const_iterator::m_blockJ [private] |
Definition at line 788 of file SparseField.h.
int SparseField< Data_T >::const_iterator::m_blockK [private] |
Definition at line 788 of file SparseField.h.
int SparseField< Data_T >::const_iterator::m_blockId [private] |
Definition at line 788 of file SparseField.h.
Box3i SparseField< Data_T >::const_iterator::m_window [private] |
Window to traverse.
Definition at line 790 of file SparseField.h.
const class_type* SparseField< Data_T >::const_iterator::m_field [private] |
Reference to field we're traversing.
Definition at line 792 of file SparseField.h.
SparseFileManager* SparseField< Data_T >::const_iterator::m_manager [private] |
Pointer to the singleton file manager.
Definition at line 794 of file SparseField.h.