Ogre::LodStrategy Class Reference
[LOD]

Strategy for determining level of detail. More...

#include <OgreLodStrategy.h>

Inheritance diagram for Ogre::LodStrategy:

Public Member Functions
	LodStrategy (const String &name)
	Constructor accepting name.
virtual	~LodStrategy ()
	Virtual destructor.
virtual Real	getBaseValue () const =0
	Get the value of the first (highest) level of detail.
virtual Real	transformBias (Real factor) const =0
	Transform lod bias so it only needs to be multiplied by the lod value.
virtual Real	transformUserValue (Real userValue) const
	Transforum user supplied value to internal value.
Real	getValue (const MovableObject movableObject, const Camera camera) const
	Compute the lod value for a given movable object relative to a given camera.
virtual ushort	getIndex (Real value, const Mesh::MeshLodUsageList &meshLodUsageList) const =0
	Get the index of the lod usage which applies to a given value.
virtual ushort	getIndex (Real value, const Material::LodValueList &materialLodValueList) const =0
	Get the index of the lod usage which applies to a given value.
virtual void	sort (Mesh::MeshLodUsageList &meshLodUsageList) const =0
	Sort mesh lod usage list from greatest to least detail.
virtual bool	isSorted (const Mesh::LodValueList &values) const =0
	Determine if the lod values are sorted from greatest detail to least detail.
void	assertSorted (const Mesh::LodValueList &values) const
	Assert that the lod values are sorted from greatest detail to least detail.
const String &	getName () const
	Get the name of this strategy.
void *	operator new (size_t sz, const char file, int line, const char func)
	operator new, with debug line info
void *	operator new (size_t sz)
void *	operator new (size_t sz, void *ptr)
	placement operator new
void *	operator new[] (size_t sz, const char file, int line, const char func)
	array operator new, with debug line info
void *	operator new[] (size_t sz)
void	operator delete (void *ptr)
void	operator delete (void ptr, void )
void	operator delete (void ptr, const char , int, const char *)
void	operator delete[] (void *ptr)
void	operator delete[] (void ptr, const char , int, const char *)
Protected Member Functions
virtual Real	getValueImpl (const MovableObject movableObject, const Camera camera) const =0
	Compute the lod value for a given movable object relative to a given camera.
Static Protected Member Functions
static bool	isSortedAscending (const Mesh::LodValueList &values)
	Implementation of isSorted suitable for ascending values.
static bool	isSortedDescending (const Mesh::LodValueList &values)
	Implementation of isSorted suitable for descending values.
static void	sortAscending (Mesh::MeshLodUsageList &meshLodUsageList)
	Implementation of sort suitable for ascending values.
static void	sortDescending (Mesh::MeshLodUsageList &meshLodUsageList)
	Implementation of sort suitable for descending values.
static ushort	getIndexAscending (Real value, const Mesh::MeshLodUsageList &meshLodUsageList)
	Implementation of getIndex suitable for ascending values.
static ushort	getIndexDescending (Real value, const Mesh::MeshLodUsageList &meshLodUsageList)
	Implementation of getIndex suitable for descending values.
static ushort	getIndexAscending (Real value, const Material::LodValueList &materialLodValueList)
	Implementation of getIndex suitable for ascending values.
static ushort	getIndexDescending (Real value, const Material::LodValueList &materialLodValueList)
	Implementation of getIndex suitable for descending values.
Protected Attributes
String	mName
	Name of this strategy.

Detailed Description

Strategy for determining level of detail.

Remarks:: Generally, to create a new lod strategy, all of the following will need to be implemented: getValueImpl, getBaseValue, transformBias, getIndex, sort, and isSorted. In addition, transformUserValue may be overridden.

Definition at line 53 of file OgreLodStrategy.h.

Constructor & Destructor Documentation

Ogre::LodStrategy::LodStrategy ( const String & name )

Constructor accepting name.

virtual Ogre::LodStrategy::~LodStrategy ( ) [virtual]

Virtual destructor.

Member Function Documentation

void Ogre::LodStrategy::assertSorted ( const Mesh::LodValueList & values ) const

Assert that the lod values are sorted from greatest detail to least detail.

virtual Real Ogre::LodStrategy::getBaseValue ( ) const [pure virtual]

Get the value of the first (highest) level of detail.

Implemented in Ogre::DistanceLodStrategy, and Ogre::PixelCountLodStrategy.

virtual ushort Ogre::LodStrategy::getIndex	(	Real	value,
		const Material::LodValueList &	materialLodValueList
	)			const `[pure virtual]`

Get the index of the lod usage which applies to a given value.

Implemented in Ogre::DistanceLodStrategy, and Ogre::PixelCountLodStrategy.

virtual ushort Ogre::LodStrategy::getIndex	(	Real	value,
		const Mesh::MeshLodUsageList &	meshLodUsageList
	)			const `[pure virtual]`

Get the index of the lod usage which applies to a given value.

Implemented in Ogre::DistanceLodStrategy, and Ogre::PixelCountLodStrategy.

static ushort Ogre::LodStrategy::getIndexAscending	(	Real	value,
		const Material::LodValueList &	materialLodValueList
	)			`[static, protected]`

Implementation of getIndex suitable for ascending values.

static ushort Ogre::LodStrategy::getIndexAscending	(	Real	value,
		const Mesh::MeshLodUsageList &	meshLodUsageList
	)			`[static, protected]`

Implementation of getIndex suitable for ascending values.

static ushort Ogre::LodStrategy::getIndexDescending	(	Real	value,
		const Material::LodValueList &	materialLodValueList
	)			`[static, protected]`

Implementation of getIndex suitable for descending values.

static ushort Ogre::LodStrategy::getIndexDescending	(	Real	value,
		const Mesh::MeshLodUsageList &	meshLodUsageList
	)			`[static, protected]`

Implementation of getIndex suitable for descending values.

const String& Ogre::LodStrategy::getName ( void ) const

Get the name of this strategy.

Definition at line 103 of file OgreLodStrategy.h.

Real Ogre::LodStrategy::getValue	(	const MovableObject *	movableObject,
		const Camera *	camera
	)			const

Compute the lod value for a given movable object relative to a given camera.

virtual Real Ogre::LodStrategy::getValueImpl	(	const MovableObject *	movableObject,
		const Camera *	camera
	)			const `[protected, pure virtual]`

Compute the lod value for a given movable object relative to a given camera.

Implemented in Ogre::DistanceLodStrategy, and Ogre::PixelCountLodStrategy.

virtual bool Ogre::LodStrategy::isSorted ( const Mesh::LodValueList & values ) const [pure virtual]

Determine if the lod values are sorted from greatest detail to least detail.

Implemented in Ogre::DistanceLodStrategy, and Ogre::PixelCountLodStrategy.

static bool Ogre::LodStrategy::isSortedAscending ( const Mesh::LodValueList & values ) [static, protected]

Implementation of isSorted suitable for ascending values.

static bool Ogre::LodStrategy::isSortedDescending ( const Mesh::LodValueList & values ) [static, protected]

Implementation of isSorted suitable for descending values.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete	(	void *	ptr,
		const char *	,
		int	,
		const char *
	)			`[inherited]`

Definition at line 107 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete	(	void *	ptr,
		void *
	)			`[inherited]`

Definition at line 101 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete ( void * ptr ) [inherited]

Definition at line 95 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete[]	(	void *	ptr,
		const char *	,
		int	,
		const char *
	)			`[inherited]`

Definition at line 118 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete[] ( void * ptr ) [inherited]

Definition at line 112 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new	(	size_t	sz,
		void *	ptr
	)			`[inherited]`

placement operator new

Definition at line 78 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new ( size_t sz ) [inherited]

Definition at line 72 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new	(	size_t	sz,
		const char *	file,
		int	line,
		const char *	func
	)			`[inherited]`

operator new, with debug line info

Definition at line 67 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new[] ( size_t sz ) [inherited]

Definition at line 90 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new[]	(	size_t	sz,
		const char *	file,
		int	line,
		const char *	func
	)			`[inherited]`

array operator new, with debug line info

Definition at line 85 of file OgreMemoryAllocatedObject.h.

virtual void Ogre::LodStrategy::sort ( Mesh::MeshLodUsageList & meshLodUsageList ) const [pure virtual]

Sort mesh lod usage list from greatest to least detail.

Implemented in Ogre::DistanceLodStrategy, and Ogre::PixelCountLodStrategy.

static void Ogre::LodStrategy::sortAscending ( Mesh::MeshLodUsageList & meshLodUsageList ) [static, protected]

Implementation of sort suitable for ascending values.

static void Ogre::LodStrategy::sortDescending ( Mesh::MeshLodUsageList & meshLodUsageList ) [static, protected]

Implementation of sort suitable for descending values.

virtual Real Ogre::LodStrategy::transformBias ( Real factor ) const [pure virtual]

Transform lod bias so it only needs to be multiplied by the lod value.

Implemented in Ogre::DistanceLodStrategy, and Ogre::PixelCountLodStrategy.

virtual Real Ogre::LodStrategy::transformUserValue ( Real userValue ) const [virtual]

Transforum user supplied value to internal value.

Remarks:: By default, performs no transformation.; Do not throw exceptions for invalid values here, as the lod strategy may be changed such that the values become valid.

Reimplemented in Ogre::DistanceLodStrategy.