public GameState loadGame(out int playerTurn)
{
ludoBoard.loadSavedBoard(out playerTurn);
GameState gameState = new GameState();
Piece[][] pieces = (Piece[][]) ludoBoard.State["pieces"];
return updateGameState(gameState, pieces);
}
/// <summary>
/// This is the method that UI will call in order to get a status update
/// </summary>
/// <param name="gameEvent"></param>
/// <returns></returns>
public GameState parseEvent(GameEvent gameEvent)
{
Colors playerID = gameEvent.Player;
piece chosenPieceID = gameEvent.Piece;
Piece[][] pieces = (Piece[][]) ludoBoard.State["pieces"];
Piece chosenPiece = pieces[(int)playerID][chosenPieceID];
dice dice = gameEvent.Dice;
Player[] players = (Player[]) ludoBoard.State["players"];
Player player = players[(int)playerID];
GameState gameState = new GameState();
bool isPieceActivated = false;
Nest[] nests = (Nest[]) ludoBoard.State["nests"];
Debug.Write("\nRules: Deciding action for player: " + player.PlayerID + ", with piece: " +
chosenPiece.PieceID + ", player rolled: " + dice);
if (!chosenPiece.Active)
{
isPieceActivated = tryActivate(playerID, dice, chosenPieceID);
Debug.Write(String.Format("\nRules: Tried activating new piece: {0}", isPieceActivated));
if (ludoBoard.Instruction != Instructions.CollisionWithSelf)
{
ludoBoard.Instruction = (isPieceActivated) ? Instructions.Introduce : Instructions.NotIntroduce;
}
}
else
{
Debug.Write("\nRules: Trying to move piece.");
bool hasPieceMoved = tryMove(chosenPiece, dice);
}
Debug.WriteLine("\n Instruction = " + gameState.Instruction);
return updateGameState(gameState, pieces);
}
/// <summary>
/// If there is a player with higher result than the others, make them the winner
/// Otherwise, do nothing
/// </summary>
/// <param name="gameEvent"></param>
/// <param name="winner"></param>
/// <returns></returns>
private GameState decideStartingPlayer(GameEvent gameEvent)
{
GameState gameState = new GameState();
Colors winner;
Dictionary<Colors, dice> diceResults = gameEvent.Dices;
Debug.WriteLine("\ndiceResults check");
// Create ordered List
var orderedResults = diceResults.OrderBy(results => results.Value).ToList();
// Check if there are two equally maximum results
int last = orderedResults[numOfPlayers - 1].Value;
int nextLast = orderedResults[numOfPlayers - 2].Value;
bool isTie = (last == nextLast);
if (isTie)
{
Debug.WriteLine("\n it's a Tie");
gameState.StartingPlayer = -1;
}
else
{
winner = orderedResults[numOfPlayers - 1].Key;
gameState.StartingPlayer = (int)winner;
Debug.Write("\nWinner of round robin is: " + winner);
ActiveGame = true; // TODO: ???
}
return gameState;
}
private GameState updateGameState(GameState gameState, Piece[][] pieces)
{
gameState.Pieces = exportPieces(pieces);
gameState.Instruction = exportInstruction();
return gameState;
}
/// <summary>
/// Exports status to int[]-friendly API handling
/// </summary>
/// <returns></returns>
public GameState ToArray()
{
GameState gameState = new GameState();
gameState.Nests = nestsToArray();
gameState.Squares = squaresToArray(squares, numOfSquaresPerSide);
gameState.ExitSquares = squaresToArray(exitSquares, numOfExitSquaresPerSide);
return gameState;
}
private void StartGame()
{
ruleEngine = new RuleEngine();
gameState = new GameState();
gameEvent = new GameEvent();
pieces = new List<Piece>();
hasGameStarted = true;
createTurnString(ref turn);
PlayerTurn = turn;
gameEvent.Player = LudoRules.Colors.Blue;
chooseTalkingBubble("/images/started.png");
initializePieces();
}
/// <summary>
/// When the "roll dice" button has been clicked - communicate with rule engine
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void RollDiceAndHandleEvents(object sender, RoutedEventArgs e)
{
if (hasGameStarted)
{
// Force player to choose the right piece
if (!hasChosenPiece)
{
chooseTalkingBubble("/images/choosepieceid.png");
}
else if (hasChosenPiece && (ChosenPieceColor != gameEvent.Player))
{
chooseTalkingBubble("/images/chooserightpieceid.png");
}
// Piece now chosen,try rolling the dice
else
{
Dice newDice = new Dice();
int diceRoll = newDice.rollDice();
showDice("/images/dice" + diceRoll.ToString() + ".jpg");
// Let the rule engine do its magic and update the game state, then update GUI
gameState = parseNewEvent(diceRoll);
changePieces(gameState);
showInstructions(diceRoll);
// Prepare next turn
resetInGameValues();
gameEvent.Player = switchTurn();
createTurnString(ref turn);
PlayerTurn = turn;
}
}
}
void LoadGame(object sender, RoutedEventArgs e)
{
int assignedTurn;
StartGame();
try
{
gameState = ruleEngine.loadGame(out assignedTurn);
changePieces(gameState);
gameEvent.Player = (LudoRules.Colors)assignedTurn;
createTurnString(ref turn);
PlayerTurn = turn;
}
catch (Exception exception)
{
Debug.WriteLine("Exception: {0}", exception);
}
}
/// <summary>
/// Update GUI bindings when rule engine changes the state of the pieces
/// </summary>
/// <param name="gameState"></param>
private void changePieces(GameState gameState)
{
int x, y;
int pieceIndexInNest = 0;
foreach (var pieceInfo in gameState.Pieces)
{
var piecePosition = pieceInfo[0];
var pieceColor = pieceInfo[1];
var pieceSteps = pieceInfo[2];
if (piecePosition == -1) // in nest
{
x = nestPositions[pieceIndexInNest][0];
y = nestPositions[pieceIndexInNest][1];
}
else if (piecePosition == 44 || pieceSteps == 44) // exited, nowhere
{
x = 0;
y = 0;
pieceImages[pieceIndexInNest].Visibility = Visibility.Hidden;
}
else // in squares
{
int addPos = 0;
if (pieceSteps >= 40) // in exit squares
{
switch (pieceColor)
{
case (int) LudoRules.Colors.Blue:
addPos += 12;
break;
case (int) LudoRules.Colors.Red:
addPos += 0;
break;
case (int) LudoRules.Colors.Yellow:
addPos += 4;
break;
case (int) LudoRules.Colors.Green:
addPos += 8;
break;
}
x = squarePositions[pieceSteps + 1 + addPos][0];
y = squarePositions[pieceSteps + 1 + addPos][1];
}
else
{
x = squarePositions[piecePosition + 1 + addPos][0];
y = squarePositions[piecePosition + 1 + addPos][1];
}
}
pieces[pieceIndexInNest].X = x;
pieces[pieceIndexInNest].Y = y;
pieceIndexInNest++;
}
// Change Property
Pieces = pieces;
}