private string HandleMoveRequest(BattleSnakeRequest moveRequest)
{
// Save the current board and our snake so we know where everything is.
_currentBoard = moveRequest.Board;
_ourSnake = moveRequest.You;
var direction = _snakeBrain.decideMoveDirection(_currentBoard, _ourSnake);
return("{ \"move\":" + "\"" + direction + "\"" + " }");
}
// Handles a Start request. Saves current board and sends desired color.
private string HandleStartRequest(BattleSnakeRequest startRequest)
{
// Save the starting board so we know where everything is.
_currentBoard = startRequest.Board;
// Turn the color into a hex string.
var color = $"#{_snakeColor.R:X}{_snakeColor.G:X}{_snakeColor.B:X}";
// Th response to this request is the color we want to be.
return("{ \"color\":" + "\"" + color + "\"" + " }");
}
// Runs the handler for the given endpoint and request from the game engine.
protected string HandleRequest(BattleSnakeRequest request, EndPoints endPoint)
{
if (endPoint == EndPoints.Start)
{
return(HandleStartRequest(request));
}
else if (endPoint == EndPoints.Move)
{
return(HandleMoveRequest(request));
}
else if (endPoint == EndPoints.End)
{
return("");
}
else
{
return($"<HTML><BODY>My web page.<br>{DateTime.Now}</BODY></HTML>");
}
}
// Parses a JSON string and converts it to a BattleSnakeRequest object.
public BattleSnakeRequest Parse(string json)
{
if (json == null)
{
throw new ArgumentNullException(nameof(json));
}
var request = new BattleSnakeRequest();
try
{
var jObject = JObject.Parse(json);
// If the json is empty, exit.
if (!jObject.HasValues)
{
throw new JsonException("Empty JSON");
}
// Parse the Game object.
var game = jObject["game"];
request.Game.Id = (string)game["id"];
// Parse the Turn object.
request.Turn = (long)jObject["turn"];
// Parse the Board object.
var board = jObject["board"];
request.Board = ParseBoard(board);
var snake = jObject["you"];
request.You = ParseSnake(snake);
}
catch
{
Console.WriteLine("Failed to parse JSON string.");
}
return(request);
}