Ogre::PixelCountLodStrategy Class Reference

Abstract base class for level of detail strategy based on pixel count approximations from bounding sphere projection. More...

#include <OgrePixelCountLodStrategy.h>

Inheritance diagram for Ogre::PixelCountLodStrategy:

List of all members.

Public Member Functions
	PixelCountLodStrategy (const String &name)
	Default constructor.
void	assertSorted (const Mesh::LodValueList &values) const
	Assert that the LOD values are sorted from greatest detail to least detail.
virtual Real	getBaseValue () const
virtual ushort	getIndex (Real value, const Mesh::MeshLodUsageList &meshLodUsageList) const
virtual ushort	getIndex (Real value, const Material::LodValueList &materialLodValueList) const
const String &	getName () const
	Get the name of this strategy.
Real	getValue (const MovableObject *movableObject, const Camera *camera) const
	Compute the LOD value for a given movable object relative to a given camera.
virtual bool	isSorted (const Mesh::LodValueList &values) const
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 *)
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)
virtual void	sort (Mesh::MeshLodUsageList &meshLodUsageList) const
virtual Real	transformBias (Real factor) const
virtual Real	transformUserValue (Real userValue) const
	Transform user supplied value to internal value.
Protected Member Functions
virtual Real	getValueImpl (const MovableObject *movableObject, const Camera *camera) const =0
Static Protected Member Functions
static ushort	getIndexAscending (Real value, const Mesh::MeshLodUsageList &meshLodUsageList)
	Implementation of getIndex suitable for ascending values.
static ushort	getIndexAscending (Real value, const Material::LodValueList &materialLodValueList)
	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	getIndexDescending (Real value, const Material::LodValueList &materialLodValueList)
	Implementation of getIndex suitable for descending values.
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.
Protected Attributes
String	mName
	Name of this strategy.

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Detailed Description

Abstract base class for level of detail strategy based on pixel count approximations from bounding sphere projection.

Definition at line 46 of file OgrePixelCountLodStrategy.h.

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Constructor & Destructor Documentation

Ogre::PixelCountLodStrategy::PixelCountLodStrategy

(

const String &

name

)

Default constructor.

---

Member Function Documentation

void Ogre::LodStrategy::assertSorted

(

const Mesh::LodValueList &

values

)

const [inherited]

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

virtual Real Ogre::PixelCountLodStrategy::getBaseValue

(

)

const [virtual]

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

Implements Ogre::LodStrategy.

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

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

Implements Ogre::LodStrategy.

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

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

Implements Ogre::LodStrategy.

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

Implementation of getIndex suitable for ascending values.

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

Implementation of getIndex suitable for ascending values.

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

Implementation of getIndex suitable for descending values.

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

Implementation of getIndex suitable for descending values.

const String& Ogre::LodStrategy::getName

(

void

)

const [inherited]

Get the name of this strategy.

Definition at line 104 of file OgreLodStrategy.h.

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

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

virtual Real Ogre::PixelCountLodStrategy::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.

Implements Ogre::LodStrategy.

Implemented in Ogre::ScreenRatioPixelCountLodStrategy, and Ogre::AbsolutePixelCountLodStrategy.

virtual bool Ogre::PixelCountLodStrategy::isSorted

(

const Mesh::LodValueList &

values

)

const [virtual]

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

Implements Ogre::LodStrategy.

static bool Ogre::LodStrategy::isSortedAscending

(

const Mesh::LodValueList &

values

)

[static, protected, inherited]

Implementation of isSorted suitable for ascending values.

static bool Ogre::LodStrategy::isSortedDescending

(

const Mesh::LodValueList &

values

)

[static, protected, inherited]

Implementation of isSorted suitable for descending values.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete

(

void *

ptr

)

[inherited]

Definition at line 96 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

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

Definition at line 102 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

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

Definition at line 108 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete[]

(

void *

ptr

)

[inherited]

Definition at line 113 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

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

Definition at line 119 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 68 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new

(

size_t

sz

)

[inherited]

Definition at line 73 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 79 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 86 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new[]

(

size_t

sz

)

[inherited]

Definition at line 91 of file OgreMemoryAllocatedObject.h.

virtual void Ogre::PixelCountLodStrategy::sort

(

Mesh::MeshLodUsageList &

meshLodUsageList

)

const [virtual]

Sort mesh LOD usage list from greatest to least detail.

Implements Ogre::LodStrategy.

static void Ogre::LodStrategy::sortAscending

(

Mesh::MeshLodUsageList &

meshLodUsageList

)

[static, protected, inherited]

Implementation of sort suitable for ascending values.

static void Ogre::LodStrategy::sortDescending

(

Mesh::MeshLodUsageList &

meshLodUsageList

)

[static, protected, inherited]

Implementation of sort suitable for descending values.

virtual Real Ogre::PixelCountLodStrategy::transformBias

(

Real

factor

)

const [virtual]

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

Implements Ogre::LodStrategy.

virtual Real Ogre::LodStrategy::transformUserValue

(

Real

userValue

)

const [virtual, inherited]

Transform 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.

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Member Data Documentation

String Ogre::LodStrategy::mName [protected, inherited]

Name of this strategy.

Definition at line 58 of file OgreLodStrategy.h.

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

• OgrePixelCountLodStrategy.h