C# Class Project290.Storage.GameSaver

Used for saving ordered or unordered game data for up to 256 classes of game saves for any number of users, uniquely identified by a Gamertag.

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Public Methods

Method	Description
GameSaver ( string gameTitle, bool columnSortOrder ) : System	Initializes a new instance of the GameSaver class.
GetScore ( string gamertag, int columnIndex ) : int	Gets the score value at the specified column index for the specified gamertag. Returns int.MinValue if there is a problem.
GetScoreBoard ( int columnIndexToSort ) : Scoreboard	Gets the Scoreboard corresponding to this game save data.
MergeBuffer ( byte bufferToMerge ) : void	Merges the specified buffer with this buffer.
Read ( ) : bool	Reads the file and stores it to the buffer. WARNING: This process will overwrite the buffer.
Reset ( ) : void	Resets this instance. This must be called before saving can be done, but unless the storage device is removed, this need only be called once.
SetScore ( string gamertag, int scoreToSet, int columnIndex ) : void	Sets the game data for the specified gamertag with the specified score (value) at the specified score column (index). No change will be made if the ordering constraint for that column index is not satisfied. Note that the changes made by calling this method will not be made until calling the Write() method.
SetScore ( string gamertag, int scoreToSet, int columnIndex, bool overwriteOrdering ) : void	Sets the game data for the specified gamertag with the specified score (value) at the specified score column (index). If overwriteOrdering is true, then the value of that player for this index will be overwritten, and if this value is set to false, then no change will be made if the ordering constraint for that column index is not satisfied. Note that the changes made by calling this method will not be made until calling the Write() method.
Update ( ) : void	Updates this instance.
Write ( ) : bool	Writes the data in the buffer to the file.

Private Methods

Method	Description
CheckBuffer ( ) : void	Checks the buffer to make sure it is not brand new. If so, then it sets the size of the columns of the buffer.
GetAllColumnSortOrders ( ) : void	From the buffer data, this writes the column sort orders to the global variable this.columnSortOrder.
GetBlockSize ( ) : int	Gets the number of bytes needed to store a gamertag and the data in the associated columns.
GetColumnSortOrder ( int column ) : bool	Gets the column sort order for the specified column index.
GetDevice ( IAsyncResult result ) : void	Gets the device.
GetGamertag ( byte buffer, int startIndex, int length ) : string	Gets the gamertag from the buffer between the startIndex (inclusive) and startIndex + length (exclusive).
GetGamertag ( int startIndex, int length ) : string	Gets the gamertag from the buffer between the startIndex (inclusive) and startIndex + length (exclusive).
GetGamertagIndex ( int nthGamertag ) : int	Gets the starting index in the buffer of the nth gamertag.
GetValueFromBuffer ( byte buffer, int startingIndex ) : int	Gets the value from buffer.
NumberOfBufferEntries ( ) : int	Gets the number of actual buffer entries.
ReadInBuffer ( IAsyncResult result ) : void	Reads the in buffer.
ReadOverwriteBuffer ( Microsoft.Xna.Framework.Storage.StorageContainer container ) : void	Reads the buffer, and overwrites the content of it.
SetColumnSortOrder ( bool ascending, int column ) : void	Sets the column sort order for the corresponding column, depending on the specified order (ascending or not).
UpdateGamertagLookup ( ) : void	Updates the gamertag lookup table based on the buffer.
WriteData ( IAsyncResult result ) : void	Writes the data.
WriteGamerTag ( byte buffer, string gamertag, int index ) : void	Writes the gamer tag to the buffer at the specified index.
WriteGamerTag ( string gamertag, int index ) : void	Writes the gamer tag to the buffer at the specified index.
WriteInfoToBuffer ( string gamertag, int value, int columnIndex ) : bool	Writes the specified info to the buffer.

Method Details

GameSaver() public method

Initializes a new instance of the GameSaver class.

public GameSaver ( string gameTitle, bool columnSortOrder ) : System
gameTitle	string	The game title. This must be unique for the game, /// as if not, two scoreboards saved on the same console may merge together when /// they should not.
columnSortOrder	bool	The sort orders. This should be the same length as /// the orderedColumnsToSort array, and true at an index means the scores will /// be sorted from high to low.
return	System

GetScore() public method

Gets the score value at the specified column index for the specified gamertag. Returns int.MinValue if there is a problem.

public GetScore ( string gamertag, int columnIndex ) : int
gamertag	string	The gamertag.
columnIndex	int	The zero-based column index.
return	int

GetScoreBoard() public method

Gets the Scoreboard corresponding to this game save data.

public GetScoreBoard ( int columnIndexToSort ) : Scoreboard
columnIndexToSort	int	The column index to sort on.
return	Scoreboard

MergeBuffer() public method

Merges the specified buffer with this buffer.

public MergeBuffer ( byte bufferToMerge ) : void
bufferToMerge	byte	The buffer to merge.
return	void

Read() public method

Reads the file and stores it to the buffer. WARNING: This process will overwrite the buffer.

public Read ( ) : bool
return	bool

Reset() public method

Resets this instance. This must be called before saving can be done, but unless the storage device is removed, this need only be called once.

public Reset ( ) : void
return	void

SetScore() public method

Sets the game data for the specified gamertag with the specified score (value) at the specified score column (index). No change will be made if the ordering constraint for that column index is not satisfied. Note that the changes made by calling this method will not be made until calling the Write() method.

public SetScore ( string gamertag, int scoreToSet, int columnIndex ) : void
gamertag	string	The gamertag.
scoreToSet	int	The score to write.
columnIndex	int	Index of the column.
return	void

SetScore() public method

Sets the game data for the specified gamertag with the specified score (value) at the specified score column (index). If overwriteOrdering is true, then the value of that player for this index will be overwritten, and if this value is set to false, then no change will be made if the ordering constraint for that column index is not satisfied. Note that the changes made by calling this method will not be made until calling the Write() method.

public SetScore ( string gamertag, int scoreToSet, int columnIndex, bool overwriteOrdering ) : void
gamertag	string	The gamertag.
scoreToSet	int	The score to write.
columnIndex	int	The column index.
overwriteOrdering	bool	If overwriteOrdering /// is true, then the value of that player for this index will be overwritten, /// and if this value is set to false, then no change will be made if the /// ordering constraint for that column index is not satisfied.
return	void

Update() public method

Updates this instance.

public Update ( ) : void
return	void

Write() public method

Writes the data in the buffer to the file.

public Write ( ) : bool
return	bool