Ogre::LodStrategy Class Reference
[LOD]

Strategy for determining level of detail. More...

#include <OgreLodStrategy.h>

Inheritance diagram for Ogre::LodStrategy:
Inheritance graph
[legend]

List of all members.

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 StringgetName () 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.


Member Data Documentation

Name of this strategy.

Definition at line 57 of file OgreLodStrategy.h.


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

Copyright © 2012 Torus Knot Software Ltd
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Fri May 25 23:38:02 2012