OGRE  1.9
Object-Oriented Graphics Rendering Engine
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Ogre::PixelCountLodStrategy Class Referenceabstract

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:
+ Collaboration diagram for Ogre::PixelCountLodStrategy:

Public Member Functions

 PixelCountLodStrategy (const String &name)
 Default constructor. More...
 
void assertSorted (const Mesh::LodValueList &values) const
 Assert that the LOD values are sorted from greatest detail to least detail. More...
 
virtual Real getBaseValue () const
 Get the value of the first (highest) level of detail. More...
 
virtual ushort getIndex (Real value, const Mesh::MeshLodUsageList &meshLodUsageList) const
 Get the index of the LOD usage which applies to a given value. More...
 
virtual ushort getIndex (Real value, const Material::LodValueList &materialLodValueList) const
 Get the index of the LOD usage which applies to a given value. More...
 
const StringgetName () const
 Get the name of this strategy. More...
 
Real getValue (const MovableObject *movableObject, const Camera *camera) const
 Compute the LOD value for a given movable object relative to a given camera. More...
 
virtual bool isSorted (const Mesh::LodValueList &values) const
 Determine if the LOD values are sorted from greatest detail to least detail. More...
 
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 More...
 
void * operator new (size_t sz)
 
void * operator new (size_t sz, void *ptr)
 placement operator new More...
 
void * operator new[] (size_t sz, const char *file, int line, const char *func)
 array operator new, with debug line info More...
 
void * operator new[] (size_t sz)
 
virtual void sort (Mesh::MeshLodUsageList &meshLodUsageList) const
 Sort mesh LOD usage list from greatest to least detail. More...
 
virtual Real transformBias (Real factor) const
 Transform LOD bias so it only needs to be multiplied by the LOD value. More...
 
virtual Real transformUserValue (Real userValue) const
 Transform user supplied value to internal value. More...
 

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. More...
 

Static Protected Member Functions

static ushort getIndexAscending (Real value, const Mesh::MeshLodUsageList &meshLodUsageList)
 Implementation of getIndex suitable for ascending values. More...
 
static ushort getIndexAscending (Real value, const Material::LodValueList &materialLodValueList)
 Implementation of getIndex suitable for ascending values. More...
 
static ushort getIndexDescending (Real value, const Mesh::MeshLodUsageList &meshLodUsageList)
 Implementation of getIndex suitable for descending values. More...
 
static ushort getIndexDescending (Real value, const Material::LodValueList &materialLodValueList)
 Implementation of getIndex suitable for descending values. More...
 
static bool isSortedAscending (const Mesh::LodValueList &values)
 Implementation of isSorted suitable for ascending values. More...
 
static bool isSortedDescending (const Mesh::LodValueList &values)
 Implementation of isSorted suitable for descending values. More...
 
static void sortAscending (Mesh::MeshLodUsageList &meshLodUsageList)
 Implementation of sort suitable for ascending values. More...
 
static void sortDescending (Mesh::MeshLodUsageList &meshLodUsageList)
 Implementation of sort suitable for descending values. More...
 

Protected Attributes

String mName
 Name of this strategy. More...
 

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.

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 
)
staticprotectedinherited

Implementation of getIndex suitable for ascending values.

static ushort Ogre::LodStrategy::getIndexAscending ( Real  value,
const Material::LodValueList materialLodValueList 
)
staticprotectedinherited

Implementation of getIndex suitable for ascending values.

static ushort Ogre::LodStrategy::getIndexDescending ( Real  value,
const Mesh::MeshLodUsageList meshLodUsageList 
)
staticprotectedinherited

Implementation of getIndex suitable for descending values.

static ushort Ogre::LodStrategy::getIndexDescending ( Real  value,
const Material::LodValueList materialLodValueList 
)
staticprotectedinherited

Implementation of getIndex suitable for descending values.

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

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
protectedpure 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)
staticprotectedinherited

Implementation of isSorted suitable for ascending values.

static bool Ogre::LodStrategy::isSortedDescending ( const Mesh::LodValueList values)
staticprotectedinherited

Implementation of isSorted suitable for descending values.

template<class Alloc >
void Ogre::AllocatedObject< Alloc >::operator delete ( void *  ptr)
inlineinherited

Definition at line 96 of file OgreMemoryAllocatedObject.h.

template<class Alloc >
void Ogre::AllocatedObject< Alloc >::operator delete ( void *  ptr,
void *   
)
inlineinherited

Definition at line 102 of file OgreMemoryAllocatedObject.h.

template<class Alloc >
void Ogre::AllocatedObject< Alloc >::operator delete ( void *  ptr,
const char *  ,
int  ,
const char *   
)
inlineinherited

Definition at line 108 of file OgreMemoryAllocatedObject.h.

template<class Alloc >
void Ogre::AllocatedObject< Alloc >::operator delete[] ( void *  ptr)
inlineinherited

Definition at line 113 of file OgreMemoryAllocatedObject.h.

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

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 
)
inlineinherited

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)
inlineinherited

Definition at line 73 of file OgreMemoryAllocatedObject.h.

template<class Alloc >
void* Ogre::AllocatedObject< Alloc >::operator new ( size_t  sz,
void *  ptr 
)
inlineinherited

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 
)
inlineinherited

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)
inlineinherited

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)
staticprotectedinherited

Implementation of sort suitable for ascending values.

static void Ogre::LodStrategy::sortDescending ( Mesh::MeshLodUsageList meshLodUsageList)
staticprotectedinherited

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
virtualinherited

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.

Member Data Documentation

String Ogre::LodStrategy::mName
protectedinherited

Name of this strategy.

Definition at line 58 of file OgreLodStrategy.h.


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