private void HandleServerMessage(CheckersMessage message)
{
if (message.ProtocolVersion != 1)
{
// don't know how to handle other versions!
return;
}
switch (message.MessageType)
{
case MessageType.Join:
// set player identity
Player = message.Side;
break;
case MessageType.Move:
// server says a move was done, so represent that in the game
ApplyMove(new Move(message));
break;
case MessageType.PlayerConnected:
if (message.Side != Player)
{
Debugging.Print("opponent connected.");
OpponentConnected = true;
}
break;
default:
break;
}
}
protected virtual unsafe List <Rectangle> _findImageAlpha(DirectBitmap small, Rectangle area, List <SearchRange> ranges, int margin, cancelToken token, ImageSearchingOptions opts)
{
opts = opts ?? ImageSearchingOptions.Default;
var @out = new List <Rectangle>(0);
int jump_small = small.PixelSize;
int jump_large = this.PixelSize;
byte *scan_large = (byte *)this._scan0; //[largeX+ smallX, largeY+ smallY];
byte *scan_small = (byte *)small._scan0; //[smallX, smallY];
int c, smallX = 0, smallY = 0, pix = 0;
byte *s, l;
//Debugging.Print($"{Thread.CurrentThread.ManagedThreadId} has started");
for (int largeY = area.Y; largeY < area.Y + area.Height; largeY++)
{
if (token.cancel) //here so it wont impact performance so bad
{
return(@out);
}
for (int largeX = area.X; largeX < area.X + area.Width; largeX++)
{
foreach (var range in ranges)
{
for (smallY = range.StartY; smallY <= range.StopY; smallY++)
{
for (smallX = range.StartX; smallX <= range.StopX; smallX++)
{
l = scan_large + (((largeX + smallX) + (largeY + smallY) * this.Width) * jump_large);
s = scan_small + (smallX + smallY * small.Width) * jump_small;
for (pix = 0; pix < 3; pix++)
{
c = l[pix] - s[pix]; //c==margin
if (c > margin || c < -margin)
{
goto nextLoop;
}
}
}
}
}
//If all the pixels match up, then return true and change Point location to the top left co-ordinates where it was found
@out.Add(new Rectangle(largeX, largeY, small.Width, small.Height));
Debugging.Print($"{Thread.CurrentThread.ManagedThreadId} has found: {new Rectangle(largeX, largeY, small.Width, small.Height)}");
if (opts.NumberOfResults != -1 && @out.Count >= opts.NumberOfResults)
{
return(@out);
}
//Go to next pixel on large image
nextLoop:
;
}
}
//Return false if image is not found, and set an empty point
/* location = Point.Empty;*/
//Debugging.Print($"{Thread.CurrentThread.ManagedThreadId} has finished");
return(@out);
}
public void OnMouseDown()
{
// send message for move from selected checker to this location
GameBoard.Move theMove = new GameBoard.Move()
{
Owner = Board.Player,
StartLocation = Board.SelectedChecker.GetComponent <Checker>().Location,
EndLocation = Location
};
Board.ServerConnection.SendMessage(theMove.ToMessage());
Debugging.Print("Should have just sent a message: " + theMove.ToMessage());
Board.DeselectPiece();
}
public static void PrintTable(string tableName)
{
SqliteCommand sqlCommand = new SqliteCommand("select * from " + tableName, dbConnection);
SqliteDataReader dataReader = sqlCommand.ExecuteReader();
Debugging.Print("Table: " + tableName);
while (dataReader.Read())
{
string row = "";
for (int i = 0; i < dataReader.FieldCount; i++)
{
row += dataReader.GetName(i) + ": " + dataReader.GetString(i) + " | ";
}
Debugging.Print(row);
}
}
/// <summary>
/// Initializes the database, loading the engine associated to <paramref name="connectorType"/>.
/// </summary>
/// <parameters>
/// <param name="connectorType">The engine backing the database.</param>
/// <param name="connectionOption">Options related to connection to a server.</param>
/// <param name="isDebugTraceEnabled">True to turn traces on.</param>
/// </parameters>
public virtual void Initialize(ConnectorType connectorType, ConnectionOption connectionOption, bool isDebugTraceEnabled)
{
Debug.Assert(Connector == null);
if (Connector != null)
{
return;
}
ConnectorType = connectorType;
ConnectionOption = connectionOption;
try
{
switch (ConnectorType)
{
case ConnectorType.MySql:
Connector = new MySqlConnector();
break;
default:
throw new ArgumentOutOfRangeException(nameof(connectorType));
}
IsDebugTraceEnabled = isDebugTraceEnabled;
if (IsDebugTraceEnabled)
{
Debugging.Print("Connector created: " + Connector.ToString());
}
}
#if TRACE
catch (ApplicationException)
{
throw;
}
#endif
catch (Exception e)
{
if (IsDebugTraceEnabled)
{
Debugging.PrintExceptionMessage(e.Message);
}
}
}
// A partial move is either a full move that can be taken by a checker, or a jump among
// jumps in a chain of jumps, but that is only a single step.
public bool IsValidPartialMove(Move move)
{
if (forceSamePiece != null) // if player must use same piece as last time because they jumped, enforce this
{
if (Board [move.StartLocation] != forceSamePiece)
{
return(false);
}
}
// there should be a checker where the move starts.
if (!Board.ContainsKey(move.StartLocation))
{
Debugging.Print("Invalid move: board doesn't have " + move.StartLocation.ToString());
return(false);
}
Checker checker = Board [move.StartLocation];
// if there's already a piece where the move ends, the move is invalid.
if (Board.ContainsKey(move.EndLocation))
{
Debugging.Print("Invalid move: landing on another piece.");
return(false);
}
// if starts or ends somewhere nonsensical, move is invalid
if (!isValidBoardPosition(move.StartLocation) || !isValidBoardPosition(move.EndLocation))
{
Debugging.Print("Invalid Move: doesn't correspond to a valid board position.");
return(false);
}
bool isJump = (Math.Abs(move.EndLocation.Row - move.StartLocation.Row) > 1);
if (isJump)
{
BoardLocation capturedLocation = JumpsOver(move);
if ((object)capturedLocation == null)
{
// jumps must have a captured location that is on the board.
return(false);
}
bool capturesPiece = Board.ContainsKey(capturedLocation);
if (!capturesPiece)
{
// captured location must have a piece if it's a jump move
return(false);
}
else if (Board [capturedLocation].Player ==
Board [move.StartLocation].Player)
{
// captured location must be of the opposite color
return(false);
}
}
else if (forceSamePiece != null)
{
return(false);
}
if (checker.IsCrowned)
{
// crowned pieces can move anywhere
bool result = (move.EndLocation.Equals(GetDownLeft(move.StartLocation, isJump)) ||
move.EndLocation.Equals(GetDownRight(move.StartLocation, isJump)) ||
move.EndLocation.Equals(GetUpLeft(move.StartLocation, isJump)) ||
move.EndLocation.Equals(GetUpRight(move.StartLocation, isJump)));
return(result);
}
else if (checker.Player == Side.Red)
{
// red uncrowned pieces can only move down
bool result = (move.EndLocation.Equals(GetDownLeft(move.StartLocation, isJump)) ||
move.EndLocation.Equals(GetDownRight(move.StartLocation, isJump)));
return(result);
}
else
{
// white uncrowned pieces
bool result = (move.EndLocation.Equals(GetUpLeft(move.StartLocation, isJump)) ||
move.EndLocation.Equals(GetUpRight(move.StartLocation, isJump)));
return(result);
}
}
public void SendMessage(CheckersMessage message)
{
Debugging.Print("Sending message " + message.ToString());
ToSend.Enqueue(message);
}
// assume this is only called if the given move is valid (correct player's turn, there's a piece there, etc.)
public void ApplyMove(Move move)
{
bool jump = false;
bool turnChange = true;
// remove any captured piece
BoardLocation capturedLocation = JumpsOver(move);
if (capturedLocation != null)
{
jump = true;
GameObject capturedPiece = Board [capturedLocation];
Board.Remove(capturedLocation);
Destroy(capturedPiece);
}
Board [move.EndLocation] = Board[move.StartLocation];
Board.Remove(move.StartLocation);
Board[move.EndLocation].GetComponent <Checker>().Relocate(move.EndLocation);
// crowning happens first because a continued jump might be in the opposite direction
if (CrowningPosition(Board[move.EndLocation].GetComponent <Checker>().Player, move.EndLocation))
{
Debugging.Print("trying to crown the piece at " + move.EndLocation.ToString() + " for player " +
Board[move.EndLocation].GetComponent <Checker>().Player.ToString());
Board [move.EndLocation].GetComponent <Checker> ().BecomeCrowned();
}
if (jump)
{
// if another jump follows the jump, don't end the turn. otherwise end the turn.
List <Move> nextJumpMoves = GetValidPartialMoves(move.EndLocation);
if (nextJumpMoves.Count > 0)
{
Debugging.Print("next jump moves are:");
foreach (Move nextJumpMove in nextJumpMoves)
{
Debugging.Print(nextJumpMove.ToString());
}
turnChange = false; // turn only doesn't change if a piece jumped and still has jumps
if (CurrentTurn == Player)
{
forceSamePiece = Board [move.EndLocation]; // same player must use this piece next
SelectPiece(forceSamePiece);
}
}
}
if (turnChange)
{
forceSamePiece = null;
DeselectPiece();
Debugging.Print("changing turns");
if (CurrentTurn == Side.Red)
{
CurrentTurn = Side.White;
}
else
{
CurrentTurn = Side.Red;
}
}
}
