PackULong_RandomSeed Class Reference
[Base Type Serializable Classes]

#include <PackULong_RandomSeed.h>

Inherits PackULong.

List of all members.


Detailed Description

PackULong_RandomSeed specializes PackULong to express a random number seed generator, and provide a random function, for procedural purposes. PackULong is a base type managing "28 bit unsigned long", which serializes a number between [0,512Mb-1], which can be written on 1, 2,3 or 4 bytes when needed.

Definition at line 18 of file PackULong_RandomSeed.h.

Public Types

enum  eVedaUpdate {
  eVedaUpdate_NoUpdate = 0, eVedaUpdate_MemberIsGoingToChange, eVedaUpdate_MemberChanged, eVedaUpdate_MemberChangedBecauseOfUndo,
  eVedaUpdate_MemberDestroyed, eVedaUpdate_ObjectNew, eVedaUpdate_ObjectDestroyed, eVedaUpdate_ObjectReCreated,
  eVedaUpdate_ObjectClosed, eVedaUpdate_NewRegisteredClass
}
 enum used by BaseContext::NotifyObjectChange() to describe the notification meaning. Used by interfaces to monitor a context. More...

Public Member Functions

 PackULong_RandomSeed (void)
 Constructor.
virtual ~PackULong_RandomSeed (void)
 Destructor.
void Reset ()
 Reset the random list to its begining as defined by its seed number.
unsigned int GetRandomNumber ()
 get a random number, continuing the suit of random number shaped by the seed.
virtual const unsigned char * Serialize_In (const unsigned char *_pDescriptionChunk)
 Read the object description from a byte chunk. Could crash if chunk not valid.
virtual unsigned int GetSerializedDescriptionSize (void)
 get the size of the whole byte chunk that will be written by Serialize_Out().
virtual unsigned char * Serialize_Out (unsigned char *_pDescriptionChunkToFill)
 write the Current object definition to a Chunk using private packed types, recursively.
virtual const char * GetClassID () const
 Each BaseType's inherited classes must explicit an ID for their class, or let use one of the super class at least through this virtual method. This is needed by GUIs to detect the types of each sub-members, and shape an interface for each Object according to their member list.
virtual const char * ValueToString ()
 convert the value of this object to an explicit string. The object manages the string privately, so just read it or copy it. the string would be destroyed with the objects, and changed when using Set() methods. Note: this is not virtual, but each class can manage m_pValueString or not.
virtual void Set (unsigned int _value)
 change the value:
unsigned int Get () const
 Get the value.
void operator+= (unsigned int _value)
 change the value:
virtual unsigned int WriteFile (const char *_pFileName)
 write a serialized form, using GetSerializedDescriptionSize() and Serialize_Out().
virtual unsigned int ReadFile (const char *_pFileName)
 Try to read a serialized form, using Serialize_In().
virtual void SetObjectThatManagesThis (BaseObject *_pManager)
 The Object this one belong to as a member. Should only be used at init.
void SetMemberName (const char *_MemberName)
 Explicits the name of an object when used as a class member. It exists only in editable mode, and then can be used by any GUI. A member with an infoString not NULL, should be drawn in a GUI and receive updates. an object member with GetMemberName() returning NULL should not be edited by an interface or undo-managed. Use REGISTER_MEMBER macros family: it registers the members and use SetMemberName() automatically (or not, according to the compilation mode).
const char * GetMemberName () const
 Explicits the name of an object when used as a class member. It exists only in editable mode, and then can be used by any GUI. A member with an infoString not NULL, should be drawn in a GUI and receive updates. an object member with GetMemberName() to NULL should not be edited by an interface or undo-managed. set with SetMemberName().
void SetMemberInfo (const char *_MemberInfo)
 Explicits the use of an object when used as a class member. It should explain what the member does for the object. It exists only in editable mode,and can be used by any GUI. Don't use html tags , only \n are allowed. Use REGISTER_MEMBER_INFO macro after the REGISTER_MEMBER macro in the constructors. It can be left NULL.
const char * GetMemberInfo () const
 Explicits the use of an object when used as a class member. It exists only in editable mode and can be used by any GUI. It should explain what the member does for the object.
BaseObjectGetObjectThatManagesThis ()
 If there is any, get the object that manages this one as a member.
void MakeCloneOf (BaseType &_ModelObject)
 Tool that makes an object take the values of another using serialization. Use with care: You got to clone a PackUlong with a PackULong, a PackString with a PackString: Clone Object of the same type or it will crash . A test is done at the beginning to check that for both types are the sames, if not it does nothing. however it may still crash with 2 objects from unherited classes. Also, some type like PackObjectReference, will not clone its value by copying a pointer.Reference member clonage is done with BaseObject::Clone().

Protected Member Functions

void BeginChangeNotification ()
 In edition mode, when a member of an object is changed (like in a Set()), you got to use BeginChangeNotification(), make your changes, and then EndChangeNotification(), so that the edition of this object and member is known by the context, and allows it to manage a GUI update and the undo stack.
void EndChangeNotification ()
 In edition mode, when a member of an object is changed (like in a Set()), you got to use BeginChangeNotification(), make your changes, and then EndChangeNotification(), so that the edition of this object and member is known by the context, and allows it to manage a GUI update and the undo stack.

Protected Attributes

unsigned int m_CurrentRandomValue
unsigned int m_value
BaseObjectm_pObjectThatManagesThis
 an object can belong (or not) to a BaseObject,( and to a BaseContext through it).
const char * m_pMemberName
 If used as a member in an object, the member name, or NULL (not editable member).
const char * m_pMemberInfo
 a short string explaining what's the object for in editable mode. OK if NULL (no info).
PackStringm_pValueString
 a string standing for an expression of the value of the object:
unsigned char * m_pPreviousValueShape
 used as a temp for object change notification in Begin/EndChangeNotification():
unsigned int m_PreviousValueShapeLength


Member Enumeration Documentation

enum eVedaUpdate [inherited]
 

enum used by BaseContext::NotifyObjectChange() to describe the notification meaning. Used by interfaces to monitor a context.

Enumerator:
eVedaUpdate_NoUpdate  0 means No Update.
eVedaUpdate_MemberIsGoingToChange  Sent before a BaseObject member value change.( in order to lock the context to prevent object use from other thread.).
eVedaUpdate_MemberChanged  a member of a BaseObject just changed.
eVedaUpdate_MemberChangedBecauseOfUndo  a member of a BaseObject just changed, but because of an undo. you may treat it the same as eVedaUpdate_MemberChanged.
eVedaUpdate_MemberDestroyed  Member of object Destroyed ! Watch out, the ID of the member is a dead pointer.
eVedaUpdate_ObjectNew  new BaseObject created.
eVedaUpdate_ObjectDestroyed  BaseObject just destroyed.Watch out, the ID of the object is a dead pointer.
eVedaUpdate_ObjectReCreated  an object has just been Created; It's state has changed!
eVedaUpdate_ObjectClosed  an object has just been closed; It's state has changed!
eVedaUpdate_NewRegisteredClass  TODO: a new class has been registered to the context.

Definition at line 194 of file BaseType.h.


Constructor & Destructor Documentation

PackULong_RandomSeed void   ) 
 

Constructor.

virtual ~PackULong_RandomSeed void   )  [virtual]
 

Destructor.


Member Function Documentation

void BeginChangeNotification  )  [protected, inherited]
 

In edition mode, when a member of an object is changed (like in a Set()), you got to use BeginChangeNotification(), make your changes, and then EndChangeNotification(), so that the edition of this object and member is known by the context, and allows it to manage a GUI update and the undo stack.

void EndChangeNotification  )  [protected, inherited]
 

In edition mode, when a member of an object is changed (like in a Set()), you got to use BeginChangeNotification(), make your changes, and then EndChangeNotification(), so that the edition of this object and member is known by the context, and allows it to manage a GUI update and the undo stack.

unsigned int Get  )  const [inline, inherited]
 

Get the value.

Returns:
the 28b unsigned int value.

Definition at line 89 of file PackULong.h.

References PackULong::m_value.

Referenced by PackULong_Flags::AddFlags(), NamedObject::GetChunkLength(), BaseObject::GetUniqueReference(), InterfacePrefObject::IsActive(), and PackULong_Flags::RemoveFlags().

virtual const char* GetClassID  )  const [inline, virtual, inherited]
 

Each BaseType's inherited classes must explicit an ID for their class, or let use one of the super class at least through this virtual method. This is needed by GUIs to detect the types of each sub-members, and shape an interface for each Object according to their member list.

Returns:
a const character string, that must be unique and unchanged for all serializable base type.

Implements BaseType.

Reimplemented in PackObjectReference, PackULong_Enums, and PackULong_Flags.

Definition at line 67 of file PackULong.h.

const char* GetMemberInfo  )  const [inline, inherited]
 

Explicits the use of an object when used as a class member. It exists only in editable mode and can be used by any GUI. It should explain what the member does for the object.

Returns:
a short string explaining what's the object for, or NULL if not set.

Definition at line 144 of file BaseType.h.

References BaseType::m_pMemberInfo.

const char* GetMemberName  )  const [inline, inherited]
 

Explicits the name of an object when used as a class member. It exists only in editable mode, and then can be used by any GUI. A member with an infoString not NULL, should be drawn in a GUI and receive updates. an object member with GetMemberName() to NULL should not be edited by an interface or undo-managed. set with SetMemberName().

Returns:
the member name or NULL

Definition at line 123 of file BaseType.h.

References BaseType::m_pMemberName.

BaseObject* GetObjectThatManagesThis  )  [inline, inherited]
 

If there is any, get the object that manages this one as a member.

Returns:
the object that manages this one as a member, or NULL

Definition at line 170 of file BaseType.h.

References BaseType::m_pObjectThatManagesThis.

unsigned int GetRandomNumber  ) 
 

get a random number, continuing the suit of random number shaped by the seed.

virtual unsigned int GetSerializedDescriptionSize void   )  [virtual, inherited]
 

get the size of the whole byte chunk that will be written by Serialize_Out().

Returns:
byte size of the serialisation to do.(1,2,3, or4)

Implements BaseType.

Reimplemented in PackObjectReference.

void MakeCloneOf BaseType _ModelObject  )  [inherited]
 

Tool that makes an object take the values of another using serialization. Use with care: You got to clone a PackUlong with a PackULong, a PackString with a PackString: Clone Object of the same type or it will crash . A test is done at the beginning to check that for both types are the sames, if not it does nothing. however it may still crash with 2 objects from unherited classes. Also, some type like PackObjectReference, will not clone its value by copying a pointer.Reference member clonage is done with BaseObject::Clone().

Parameters:
_ModelObject the object took as a model.

void operator+= unsigned int  _value  )  [inline, inherited]
 

change the value:

Parameters:
_value 28b unsigned int value.

Definition at line 94 of file PackULong.h.

References PackULong::m_value.

virtual unsigned int ReadFile const char *  _pFileName  )  [virtual, inherited]
 

Try to read a serialized form, using Serialize_In().

Parameters:
_pFileName the file path.
Returns:
0 if OK.

void Reset  )  [inline]
 

Reset the random list to its begining as defined by its seed number.

Definition at line 39 of file PackULong_RandomSeed.h.

References m_CurrentRandomValue, and PackULong::m_value.

virtual const unsigned char* Serialize_In const unsigned char *  _pDescriptionChunk  )  [virtual, inherited]
 

Read the object description from a byte chunk. Could crash if chunk not valid.

Parameters:
_pDescriptionChunk the objet description chunk.
Returns:
the end of the chunk written, possibly unlocated. Don't use this if you don't need it.

Implements BaseType.

virtual unsigned char* Serialize_Out unsigned char *  _pDescriptionChunkToFill  )  [virtual, inherited]
 

write the Current object definition to a Chunk using private packed types, recursively.

Parameters:
_pDescriptionChunkToFill the chunk where to write the objet description chunk.
Returns:
the end of the chunk written, possibly unlocated. Don't use this if you don't need it.

Implements BaseType.

Reimplemented in PackObjectReference.

virtual void Set unsigned int  _value  )  [virtual, inherited]
 

change the value:

Parameters:
_value 28b unsigned int value.

Reimplemented in InterfacePrefObject::PackULong_Flags_Activate.

Referenced by PackULong_Flags::AddFlags(), PackULong_Flags::RemoveFlags(), and BaseObject::SetUniqueReference().

void SetMemberInfo const char *  _MemberInfo  )  [inherited]
 

Explicits the use of an object when used as a class member. It should explain what the member does for the object. It exists only in editable mode,and can be used by any GUI. Don't use html tags , only \n are allowed. Use REGISTER_MEMBER_INFO macro after the REGISTER_MEMBER macro in the constructors. It can be left NULL.

Parameters:
_MemberName a short string explaining what's the object for.

void SetMemberName const char *  _MemberName  )  [inherited]
 

Explicits the name of an object when used as a class member. It exists only in editable mode, and then can be used by any GUI. A member with an infoString not NULL, should be drawn in a GUI and receive updates. an object member with GetMemberName() returning NULL should not be edited by an interface or undo-managed. Use REGISTER_MEMBER macros family: it registers the members and use SetMemberName() automatically (or not, according to the compilation mode).

Parameters:
_MemberName the member name

virtual void SetObjectThatManagesThis BaseObject _pManager  )  [virtual, inherited]
 

The Object this one belong to as a member. Should only be used at init.

Parameters:
_pManager BaseObject

Reimplemented in PackObjectReference, PackResource, PackStruct, and PackTreeCell.

virtual const char* ValueToString  )  [virtual, inherited]
 

convert the value of this object to an explicit string. The object manages the string privately, so just read it or copy it. the string would be destroyed with the objects, and changed when using Set() methods. Note: this is not virtual, but each class can manage m_pValueString or not.

Returns:
the value as a const string.

Reimplemented from BaseType.

Reimplemented in PackObjectReference, PackULong_Enums, and PackULong_Flags.

virtual unsigned int WriteFile const char *  _pFileName  )  [virtual, inherited]
 

write a serialized form, using GetSerializedDescriptionSize() and Serialize_Out().

Parameters:
_pFileName the file path.
Returns:
0 if OK.


Member Data Documentation

const char* m_pMemberInfo [protected, inherited]
 

a short string explaining what's the object for in editable mode. OK if NULL (no info).

Definition at line 259 of file BaseType.h.

Referenced by BaseType::GetMemberInfo().

const char* m_pMemberName [protected, inherited]
 

If used as a member in an object, the member name, or NULL (not editable member).

Definition at line 255 of file BaseType.h.

Referenced by BaseType::GetMemberName().

BaseObject* m_pObjectThatManagesThis [protected, inherited]
 

an object can belong (or not) to a BaseObject,( and to a BaseContext through it).

Definition at line 251 of file BaseType.h.

Referenced by BaseType::GetObjectThatManagesThis().

unsigned char* m_pPreviousValueShape [protected, inherited]
 

used as a temp for object change notification in Begin/EndChangeNotification():

Definition at line 269 of file BaseType.h.

PackString* m_pValueString [protected, inherited]
 

a string standing for an expression of the value of the object:

Definition at line 264 of file BaseType.h.

unsigned int m_value [protected, inherited]
 

the value of this class: Note that it will be trunked to 256Mb-1 maximum at serialization!

Definition at line 94 of file PackULong.h.

Referenced by PackULong::Get(), PackULong::operator+=(), Reset(), and PackULong_Flags::TestFlags().


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