/// <summary>
/// Loading file.
/// </summary>
/// <param name="path">File path.</param>
/// <returns>All the data to recover the game state. The game table size, the put downs and the players game times.</returns>
public async Task<ReversiGameDescriptiveData> Load(String path)
{
using (StreamReader reader = new StreamReader(path)) // opening file
{
// Read the first line of the file, then split it bye one space.
String line = await reader.ReadLineAsync();
char[] separatingChars = { ' ' };
String[] numbers = line.Split(separatingChars, StringSplitOptions.RemoveEmptyEntries);
// Setup fields with the processed data. The ordering is set by the file format.
// Throw IndexOutOfRangeException if some data missing or FormatException if there are spaces.
Int32 tableSize = Int32.Parse(numbers[0]);
Int32 player1Time = Int32.Parse(numbers[1]);
Int32 player2Time = Int32.Parse(numbers[2]);
Int32 putDownsSize = Int32.Parse(numbers[3]);
Boolean found = false;
for (Int32 i = 0; i < _supportedGameTableSizesArray.GetLength(0) && !found; ++i)
{
if (tableSize == _supportedGameTableSizesArray[i])
{
found = true;
}
}
if (!found)
{
String supportedGameTableSizesString = "";
for (Int32 i = 0; i < _supportedGameTableSizesArray.GetLength(0); ++i)
{
supportedGameTableSizesString += _supportedGameTableSizesArray[i].ToString() + ", ";
}
throw new ReversiDataException("Error while trying to load file: " + path + ".", "The read table size ( " + tableSize.ToString() + " ) is not supported ( " + supportedGameTableSizesString + ").");
}
if (player1Time < 0 || player2Time < 0)
{
throw new ReversiDataException("Error while trying to load file: " + path + ".", "The read player 1 time ( " + player1Time.ToString() + " ) or/and player 2 time ( " + player2Time.ToString() + " ) was/were negative.");
}
if (putDownsSize % 2 == 1 || (tableSize * tableSize * 4) < putDownsSize)
{
throw new ReversiDataException("Error while trying to load file: " + path + ".", "The read put down size ( " + putDownsSize.ToString() + " ) was odd or bigger then the passible with the given table size ( " + tableSize.ToString() + " )");
}
// Creating the game descriptive data class.
ReversiGameDescriptiveData data = new ReversiGameDescriptiveData(tableSize, player1Time, player2Time, putDownsSize);
// Read a line of the file, then split it bye one space.
if (putDownsSize > 0)
{
line = await reader.ReadLineAsync();
numbers = line.Split(separatingChars, StringSplitOptions.RemoveEmptyEntries);
// Setup values of the putDown array.
for (Int32 i = 0; i < putDownsSize; ++i)
{
data[i] = Int32.Parse(numbers[i]);
}
}
return data;
}
}
/// <summary>
/// Loading a reversi game. We check if it is valid or not while setting up the game table.
/// </summary>
/// <param name="path">The path to the file, that contains the saved game data.</param>
public async Task LoadGame(String path)
{
_timer.Enabled = false;
if (_dataAccess != null)
{
_data = await _dataAccess.Load(path);
}
_activeTableSize = _data.TableSize;
InitializeFields(true);
_timer.Enabled = true;
}
/// <summary>
/// Saving file.
/// </summary>
/// <param name="path">File path.</param>
/// <param name="data">All the data to recover the game state. The game table size, the put downs and the players game times.</param>
public async Task Save(String path, ReversiGameDescriptiveData data)
{
using (StreamWriter writer = new StreamWriter(path)) // opening file
{
// Writing the fist line with the size if the table, with the players played times and with the coordinats count.
writer.Write(data.TableSize.ToString() + " " + data.Player1Time.ToString() + " " + data.Player2Time.ToString() + " " + data.PutDownsSize.ToString());
await writer.WriteLineAsync();
// Writing the second line with the coordinates.
for (Int32 i = 0; i < data.PutDownsSize - 1; ++i)
{
await writer.WriteAsync(data[i].ToString() + " ");
}
if (data.PutDownsSize != 0)
{
await writer.WriteAsync(data[data.PutDownsSize - 1].ToString());
}
}
}
/// <summary>
/// Creating new reversi game with the presetted table size.
/// </summary>
public void NewGame()
{
_timer.Enabled = false;
_activeTableSize = _tableSizeSetting;
_data = new ReversiGameDescriptiveData(_activeTableSize);
InitializeFields(false);
_timer.Enabled = true;
}