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# Ogre::Controller< T > Class Template Reference

Instances of this class 'control' the value of another object in the system. More...

`#include <OgreController.h>`

List of all members.

## Public Member Functions
| Controller (const SharedPtr< ControllerValue< T > > &src, const SharedPtr< ControllerValue< T > > &dest, const SharedPtr< ControllerFunction< T > > &func)
| Usual constructor.
virtual | ~Controller ()
| Default d-tor.
void | setSource (const SharedPtr< ControllerValue< T > > &src)
| Sets the input controller value.
const SharedPtr < ControllerValue< T > > & | getSource (void) const
| Gets the input controller value.
void | setDestination (const SharedPtr< ControllerValue< T > > &dest)
| Sets the output controller value.
const SharedPtr < ControllerValue< T > > & | getDestination (void) const
| Gets the output controller value.
bool | getEnabled (void) const
| Returns true if this controller is currently enabled.
void | setEnabled (bool enabled)
| Sets whether this controller is enabled.
void | setFunction (const SharedPtr< ControllerFunction< T > > &func)
| Sets the function object to be used by this controller.
const SharedPtr < ControllerFunction < T > > & | getFunction (void) const
| Returns a pointer to the function object used by this controller.
void | update (void)
| Tells this controller to map it's input controller value to it's output controller value, via the controller function.
## Protected Attributes
SharedPtr < ControllerValue< T > > | mSource
| Source value.
SharedPtr < ControllerValue< T > > | mDest
| Destination value.
SharedPtr < ControllerFunction < T > > | mFunc
| Function.
bool | mEnabled
| Controller is enabled or not.

## Detailed Description

### template<typename T>
class Ogre::Controller< T >

Instances of this class 'control' the value of another object in the system.

Remarks:
  Controller classes are used to manage the values of object automatically based on the value of some input. For example, a Controller could animate a texture by controlling the current frame of the texture based on time, or a different Controller could change the colour of a material used for a spaceship shield mesh based on the remaining shield power level of the ship.

  The Controller is an intentionally abstract concept - it can generate values based on input and a function, which can either be one of the standard ones supplied, or a function can be 'plugged in' for custom behaviour - see the ControllerFunction class for details. Both the input and output values are via ControllerValue objects, meaning that any value can be both input and output of the controller.

  Whilst this is very flexible, it can be a little bit confusing so to make it simpler the most often used controller setups are available by calling methods on the ControllerManager object.

See also:
  ControllerFunction

Definition at line 131 of file OgreController.h.

## Constructor & Destructor Documentation

template<typename T>

Ogre::Controller< T >::Controller | ( | const SharedPtr< ControllerValue< T > > & | src,
|  | const SharedPtr< ControllerValue< T > > & | dest,
|  | const SharedPtr< ControllerFunction< T > > & | func |
| ) |  |  |

Usual constructor.

Remarks:
  Requires source and destination values, and a function object. None of these are destroyed with the Controller when it is deleted (they can be shared) so you must delete these as appropriate.

Definition at line 151 of file OgreController.h.

template<typename T>

virtual Ogre::Controller< T >::~Controller | ( |  | ) | `[virtual]`

Default d-tor.

Definition at line 160 of file OgreController.h.

## Member Function Documentation

template<typename T>

void Ogre::Controller< T >::setSource | ( | const SharedPtr< ControllerValue< T > > & | src | ) |

Sets the input controller value.

Definition at line 164 of file OgreController.h.

template<typename T>

const SharedPtr< ControllerValue<T> >& Ogre::Controller< T >::getSource | ( | void |  | ) | const

Gets the input controller value.

Definition at line 169 of file OgreController.h.

template<typename T>

void Ogre::Controller< T >::setDestination | ( | const SharedPtr< ControllerValue< T > > & | dest | ) |

Sets the output controller value.

Definition at line 174 of file OgreController.h.

template<typename T>

const SharedPtr< ControllerValue<T> >& Ogre::Controller< T >::getDestination | ( | void |  | ) | const

Gets the output controller value.

Definition at line 180 of file OgreController.h.

template<typename T>

bool Ogre::Controller< T >::getEnabled | ( | void |  | ) | const

Returns true if this controller is currently enabled.

Definition at line 186 of file OgreController.h.

template<typename T>

void Ogre::Controller< T >::setEnabled | ( | bool | enabled | ) |

Sets whether this controller is enabled.

Definition at line 192 of file OgreController.h.

template<typename T>

void Ogre::Controller< T >::setFunction | ( | const SharedPtr< ControllerFunction< T > > & | func | ) |

Sets the function object to be used by this controller.

Definition at line 199 of file OgreController.h.

template<typename T>

const SharedPtr< ControllerFunction<T> >& Ogre::Controller< T >::getFunction | ( | void |  | ) | const

Returns a pointer to the function object used by this controller.

Definition at line 206 of file OgreController.h.

template<typename T>

void Ogre::Controller< T >::update | ( | void |  | ) |

Tells this controller to map it's input controller value to it's output controller value, via the controller function.

Remarks:
  This method is called automatically every frame by ControllerManager.

Definition at line 216 of file OgreController.h.

## Member Data Documentation

template<typename T>

SharedPtr< ControllerValue<T> > Ogre::Controller< T >::mSource`[protected]`

Source value.

Definition at line 135 of file OgreController.h.

Referenced by Ogre::Controller< float >::getSource(), Ogre::Controller< float >::setSource(), and Ogre::Controller< float >::update().

template<typename T>

SharedPtr< ControllerValue<T> > Ogre::Controller< T >::mDest`[protected]`

Destination value.

Definition at line 137 of file OgreController.h.

Referenced by Ogre::Controller< float >::getDestination(), Ogre::Controller< float >::setDestination(), and Ogre::Controller< float >::update().

template<typename T>

SharedPtr< ControllerFunction<T> > Ogre::Controller< T >::mFunc`[protected]`

Function.

Definition at line 139 of file OgreController.h.

Referenced by Ogre::Controller< float >::getFunction(), Ogre::Controller< float >::setFunction(), and Ogre::Controller< float >::update().

template<typename T>

bool Ogre::Controller< T >::mEnabled`[protected]`

Controller is enabled or not.

Definition at line 141 of file OgreController.h.

Referenced by Ogre::Controller< float >::Controller(), Ogre::Controller< float >::getEnabled(), Ogre::Controller< float >::setEnabled(), and Ogre::Controller< float >::update().

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

- OgreController.h

Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Mon Jun 16 12:49:28 2008