private static void NewMessageReceived(WebSocketSession session, string requesMessage)
{
Console.WriteLine("New Message received: " + requesMessage);
try
{
MsgRequestPayload request = new MsgRequestPayload();
request = JsonConvert.DeserializeObject <MsgRequestPayload>(requesMessage);
MsgResponsePayload response = new MsgResponsePayload();
response = GameLogic.HandleRequestMessage(request);
string responseMessage = JsonConvert.SerializeObject(response);
session.Send(responseMessage);
Console.WriteLine("New Message sent: " + responseMessage);
}
catch (Exception e)
{
//Logging the exception
Console.WriteLine("ERROR: " + e.Message);
}
}
public static MsgResponsePayload HandleRequestMessage(MsgRequestPayload request)
{
MsgResponsePayload response = new MsgResponsePayload();
response.id = request.id;
response.body = new MsgResponsePayload.Body();
if (request.msg.ToUpper() == "ERROR")
{
//Logging Client Error message
//request.body.ToString();
response.id = 0;
response.msg = "UPDATE_TEXT";
response.body.newLine = null;
response.body.heading = "!!! ERROR !!!";
response.body.message = request.body.ToString() + Environment.NewLine + "Please, refresh this page to re-start the game.";
}
if (request.msg.ToUpper() == "INITIALIZE")
{
validStartNodes.Clear();
lines.Clear();
currentPlayerIsOne = true;
gameOver = false;
startNode.x = -1;
response.msg = "INITIALIZE";
response.body.heading = "Player 1";
response.body.message = "Awaiting Player 1's move.";
}
if (request.msg.ToUpper() == "NODE_CLICKED")
{
//GAME IS OVER and additional node clicks are invalid - refresh the page to start a new game
if (gameOver == true)
{
response.msg = "INVALID_START_NODE";
response.body.heading = "Game Over";
response.body.message = currentPlayer(currentPlayerIsOne) + " Wins!" + Environment.NewLine + "Please, refresh this page to start a new game.";
}
//START_NODE clicked
else if (validStartNodes.Count == 0)
{
//START_NODE
if (startNode.x == -1)
{
startNode.x = request.body.x;
startNode.y = request.body.y;
response.msg = "VALID_START_NODE";
response.body.heading = currentPlayer(currentPlayerIsOne);
response.body.message = "Select a second node to complete the line.";
}
else //END_NODE
{
Point endNode = new Point(request.body.x, request.body.y);
bool isOctilinearLine = GameRules.IsOctilinearLine(startNode, endNode);
//VALID_END_NODE
if (isOctilinearLine)
{
Point firstStartNode = new Point(startNode.x, startNode.y);
Line newLine = new Line(firstStartNode, endNode);
lines.Add(newLine);
validStartNodes.Add(firstStartNode);
validStartNodes.Add(endNode);
currentPlayerIsOne = !currentPlayerIsOne;
response.body.heading = currentPlayer(currentPlayerIsOne);
response.body.newLine = new MsgResponsePayload.Body.NewLine();
response.body.newLine.start = new MsgResponsePayload.Body.NewLine.Start();
response.body.newLine.end = new MsgResponsePayload.Body.NewLine.End();
response.msg = "VALID_END_NODE";
response.body.newLine.start.x = startNode.x;
response.body.newLine.start.y = startNode.y;
response.body.newLine.end.x = endNode.x;
response.body.newLine.end.y = endNode.y;
response.body.message = "Awaiting " + currentPlayer(currentPlayerIsOne) + " 's move.";
startNode.x = -1;
}
//INVALID_END_NODE
else
{
response.msg = "INVALID_END_NODE";
response.body.heading = currentPlayer(currentPlayerIsOne);
response.body.message = "Invalid move!";
startNode.x = -1;
}
}
}
else //All other nodes' clicks after the first move
{
//START_NODE
if (startNode.x == -1)
{
startNode.x = request.body.x;
startNode.y = request.body.y;
//VALID_START_NODE
if ((startNode.x == validStartNodes[0].x && startNode.y == validStartNodes[0].y) || (startNode.x == validStartNodes[1].x && startNode.y == validStartNodes[1].y))
{
response.msg = "VALID_START_NODE";
response.body.heading = currentPlayer(currentPlayerIsOne);
response.body.message = "Select a second node to complete the line.";
}
else //INVALID_START_NODE
{
response.msg = "INVALID_START_NODE";
response.body.heading = currentPlayer(currentPlayerIsOne);
response.body.message = "Not a valid starting position.";
startNode.x = -1;
}
}
else //END_NODE
{
Point endNode = new Point(request.body.x, request.body.y);
Line tryNewLine = new Line(startNode, endNode);
bool isOctilinearLine = GameRules.IsOctilinearLine(startNode, endNode);
bool noInvalidIntersect = GameRules.CheckLinesDoNotIntersect(tryNewLine, lines);
//bool noInvalidIntersect = GameRules.NoInvalidIntersect(tryNewLine, lines);
//VALID_END_NODE
if (isOctilinearLine && noInvalidIntersect)
{
Point currentStartNode = new Point(startNode.x, startNode.y);
Line newLine = new Line(currentStartNode, endNode);
lines.Add(newLine);
for (int i = 1; i > -1; i--)
{
if (validStartNodes[i].x == currentStartNode.x && validStartNodes[i].y == currentStartNode.y)
{
validStartNodes.RemoveAt(i);
}
}
validStartNodes.Add(endNode);
currentPlayerIsOne = !currentPlayerIsOne;
response.body.newLine = new MsgResponsePayload.Body.NewLine();
response.body.newLine.start = new MsgResponsePayload.Body.NewLine.Start();
response.body.newLine.end = new MsgResponsePayload.Body.NewLine.End();
//Check if there is still a valid move left on the game board or it is complete
bool boardComplete = GameRules.BoardIsComplete(board, lines, validStartNodes);
//bool boardComplete = GameRules.BoardComplete(board, lines, validStartNodes);
if (!boardComplete)
{
response.msg = "VALID_END_NODE";
response.body.heading = currentPlayer(currentPlayerIsOne);
response.body.newLine.start.x = startNode.x;
response.body.newLine.start.y = startNode.y;
response.body.newLine.end.x = endNode.x;
response.body.newLine.end.y = endNode.y;
response.body.message = "Awaiting " + currentPlayer(currentPlayerIsOne) + " 's move.";
startNode.x = -1;
}
else //GAME IS OVER if the board no longer has any valid moves left
{
gameOver = true;
response.msg = "GAME_OVER";
response.body.heading = "Game Over";
response.body.newLine.start.x = startNode.x;
response.body.newLine.start.y = startNode.y;
response.body.newLine.end.x = endNode.x;
response.body.newLine.end.y = endNode.y;
response.body.message = currentPlayer(currentPlayerIsOne) + " Wins!";
}
}
else // INVALID_END_NODE
{
response.msg = "INVALID_END_NODE";
response.body.heading = currentPlayer(currentPlayerIsOne);
response.body.message = "Invalid move!";
startNode.x = -1;
}
}
}
}
return(response);
}
