CeresEngine::MemoryMappedTerrainOctree< T > Class Template Reference

#include <CeresEngine/Scene/Terrain/TerrainStorage.hpp>

Classes
struct	FreeNode
struct	Header
struct	Node

Public Member Functions
	MemoryMappedTerrainOctree (const FilePath &path)
	~MemoryMappedTerrainOctree ()
void	reserve (size_t newCapacity)
bool	insert (Vector3 position, T value)
bool	insert (const AABox &area, T value)
bool	insert (const Sphere &sphere, T value)
Node *	allocateNode ()

Private Types
template<typename U >
using	Ptr = OffsetPtr< U, std::ptrdiff_t, Int32 >

Private Member Functions
void	insert (Node *node, Vector3 position, T &&value, AABox aabb, double resolution)
template<typename Primitive >
void	insert (Node *node, const Primitive &primitive, const T &value, const AABox &aabb, double resolution)
void	subdivide (Node *node)
void	subdivide (Node *node, size_t octant)
bool	shouldCollapse (Node *const node, const T &firstValue)
Node *	findOrCreateNode (Node *node, Vector2 position, T value, const UInt64 depth, const UInt64 maxDepth)
void *	nodeAt (size_t index)

Static Private Member Functions
static size_t	getOctantFor (const Vector3 &position, const AABox &aabb)
	Computes the octant of a position vector within the given aabb.
static Vector3	octantDelta (const size_t octant)
	Computes the delta position for a given octant.

Private Attributes
SharedMemory	mSharedMemory
Header *	mHeader

Member Typedef Documentation

Ptr

template<typename T >

template<typename U >

using CeresEngine::MemoryMappedTerrainOctree< T >::Ptr = OffsetPtr<U, std::ptrdiff_t, Int32>

private

Constructor & Destructor Documentation

MemoryMappedTerrainOctree()

template<typename T >

CeresEngine::MemoryMappedTerrainOctree< T >::MemoryMappedTerrainOctree ( const FilePath &  path )

inlineexplicit

~MemoryMappedTerrainOctree()

template<typename T >

CeresEngine::MemoryMappedTerrainOctree< T >::~MemoryMappedTerrainOctree ( )

inline

Member Function Documentation

allocateNode()

template<typename T >

Node * CeresEngine::MemoryMappedTerrainOctree< T >::allocateNode ( )

inline

findOrCreateNode()

template<typename T >

Node * CeresEngine::MemoryMappedTerrainOctree< T >::findOrCreateNode ( Node *  node, Vector2  position, T  value, const UInt64  depth, const UInt64  maxDepth  )

inlineprivate

getOctantFor()

template<typename T >

static size_t CeresEngine::MemoryMappedTerrainOctree< T >::getOctantFor ( const Vector3 &  position, const AABox &  aabb  )

inlinestaticprivate

Computes the octant of a position vector within the given aabb.

Parameters

position	The position to compute the octant
aabb	The aabb to contain the position to

Returns

The octant index [0-7]

insert() [1/5]

template<typename T >

bool CeresEngine::MemoryMappedTerrainOctree< T >::insert ( const AABox &  area, T  value  )

inline

insert() [2/5]

template<typename T >

bool CeresEngine::MemoryMappedTerrainOctree< T >::insert ( const Sphere &  sphere, T  value  )

inline

insert() [3/5]

template<typename T >

template<typename Primitive >

void CeresEngine::MemoryMappedTerrainOctree< T >::insert ( Node *  node, const Primitive &  primitive, const T &  value, const AABox &  aabb, double  resolution  )

inlineprivate

insert() [4/5]

template<typename T >

void CeresEngine::MemoryMappedTerrainOctree< T >::insert ( Node *  node, Vector3  position, T &&  value, AABox  aabb, double  resolution  )

inlineprivate

insert() [5/5]

template<typename T >

bool CeresEngine::MemoryMappedTerrainOctree< T >::insert ( Vector3  position, T  value  )

inline

nodeAt()

template<typename T >

void * CeresEngine::MemoryMappedTerrainOctree< T >::nodeAt ( size_t  index )

inlineprivate

octantDelta()

template<typename T >

static Vector3 CeresEngine::MemoryMappedTerrainOctree< T >::octantDelta ( const size_t  octant )

inlinestaticprivate

Computes the delta position for a given octant.

Parameters

octant

The octant index [0-7]

Returns

A vector to offset a AABB by to match the given octant

reserve()

template<typename T >

void CeresEngine::MemoryMappedTerrainOctree< T >::reserve ( size_t  newCapacity )

inline

shouldCollapse()

template<typename T >

bool CeresEngine::MemoryMappedTerrainOctree< T >::shouldCollapse ( Node *const  node, const T &  firstValue  )

inlineprivate

subdivide() [1/2]

template<typename T >

void CeresEngine::MemoryMappedTerrainOctree< T >::subdivide ( Node *  node )

inlineprivate

subdivide() [2/2]

template<typename T >

void CeresEngine::MemoryMappedTerrainOctree< T >::subdivide ( Node *  node, size_t  octant  )

inlineprivate

Member Data Documentation

mHeader

template<typename T >

Header* CeresEngine::MemoryMappedTerrainOctree< T >::mHeader

private

mSharedMemory

template<typename T >

SharedMemory CeresEngine::MemoryMappedTerrainOctree< T >::mSharedMemory

private

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The documentation for this class was generated from the following file:

• /Users/Rogiel/Developer/CeresEngine/Engine/Sources/CeresEngine/Scene/Terrain/TerrainStorage.hpp