public static void Main(string[] args)
{
// Store the original console state so we can restore it after the game is over
var originalTitle = Console.Title;
var originalColor = Console.ForegroundColor;
var originalCursorVisible = Console.CursorVisible;
// I pressed ctrl + c to stop the game too many times...
Console.CancelKeyPress += delegate
{
Console.Title = originalTitle;
Console.CursorVisible = originalCursorVisible;
Console.ForegroundColor = originalColor;
Console.Clear();
};
// Prepare the console
Console.Clear(); // Lets clear the console window
Console.CursorVisible = false;
Console.Title = "Westerdals Oslo ACT - SNAKE";
Console.ForegroundColor = ConsoleColor.Yellow;
// Create a gameboard and start the game
var gameBoard = new SnakeBoard(Console.WindowWidth, Console.WindowHeight, RenderingFactory.createRenderer());
gameBoard.startGame();
// Set the cursor visible back to the original value to leave the console in a usable state...
Console.ResetColor();
Console.Title = originalTitle;
Console.ForegroundColor = originalColor;
Console.CursorVisible = originalCursorVisible;
Console.Clear();
}
public SnakeEngine(SnakeBoard snakeBoard)
{
Board = snakeBoard;
SnakeObj = new SnakeObj();
SnPoints = new List <SnakePoints>();
SnakePointGenerator = new SnakePointGenerator();
}
private void SnakeMoveSwitch(object sender, KeyEventArgs e)
{
switch (e.Key)
{
case Key.Up:
if (SnakeBoard.GetCurrentSnakeDirection() != DirectionFlag.Up)
{
SnakeBoard.ChangeSnakeDirection(DirectionFlag.Up);
}
break;
case Key.Down:
if (SnakeBoard.GetCurrentSnakeDirection() != DirectionFlag.Down)
{
SnakeBoard.ChangeSnakeDirection(DirectionFlag.Down);
}
break;
case Key.Left:
if (SnakeBoard.GetCurrentSnakeDirection() != DirectionFlag.Left)
{
SnakeBoard.ChangeSnakeDirection(DirectionFlag.Left);
}
break;
case Key.Right:
if (SnakeBoard.GetCurrentSnakeDirection() != DirectionFlag.Right)
{
SnakeBoard.ChangeSnakeDirection(DirectionFlag.Right);
}
break;
}
}
static int DFSScore(SnakeBoard currentBoard)
{
int score = DFSScore(currentBoard, 0);
Console.WriteLine("Nodes searched: " + nodeCount);
nodeCount = 0;
return(score);
}
private SnakeWindow()
{
BackgroundImage = new BackgroundImage();
Configuration = new Configuration();
InitializeComponent();
SnakeBoard = new SnakeBoard(this, 40, 40, 20);
TimerInitialization();
}
public SnakeBoard Run(SnakeBoard snakeBoard)
{
Board = snakeBoard;
PointToGenerate = snakeBoard.SnakeTimer.PointToGenerate;
UpdateBoard();
UpdateSnake();
UpdatePointsOnBoard();
return(Board);
}
static string DecideDirection(SnakeBoard board)
{
//List<MoveScore> movesFreeDeg = CalcMoveFreeDegs(board);
return(BestDFSMove(board, game.GetPossibleMoves(board).playerMoves));
/*
* for (int i = 4; i >= 1; i--) {
* List<MoveScore> goodMoves = movesFreeDeg.Where(x => (x.score == i || x.score == i-1)).ToList();
* if (goodMoves.Count > 0)
* return BestDFSMove(board, goodMoves);
* }
* return movesFreeDeg[0].dir;
*/
}
static List <MoveScore> CalcMoveFreeDegs(SnakeBoard board)
{
PossibleMoves possMoves = game.GetPossibleMoves(board);
List <MoveScore> moves = new List <MoveScore>(3);
foreach (string direction in possMoves.playerMoves)
{
moves.Add(new MoveScore()
{
dir = direction, score = DegreesOfFreedom(board, direction)
});
}
return(moves);
}
static string DecideMove(SnakeBoard board)
{
board.PrintBoard("My current board");
// Since this gives a struct with both playerMoves and enemyMoves we specify playerMoves.
List <string> possibleMoves = game.GetPossibleMoves(board).playerMoves;
int randomIndex = rnd.Next(possibleMoves.Count);
string randomMove = possibleMoves[randomIndex];
SnakeBoard simBoard = game.SimulatePlayerMove(board, randomMove);
simBoard.PrintBoard("My simulated board");
Console.WriteLine(game.EvaluateBoard(simBoard));
return(randomMove);
}
static int DegreesOfFreedom(SnakeBoard board, string direction)
{
int x = board.GetPlayerPosition().x;
int y = board.GetPlayerPosition().y;
int newX, newY;
switch (direction)
{
case "right":
newX = x + 1;
if (board.CellBlocked(newX, y))
{
return(0);
}
return(1 + CellFree(board, newX + 1, y) + CellFree(board, newX, y + 1) + CellFree(board, newX, y - 1));
case "left":
newX = x - 1;
if (board.CellBlocked(newX, y))
{
return(0);
}
return(1 + CellFree(board, newX - 1, y) + CellFree(board, newX, y + 1) + CellFree(board, newX, y - 1));
case "down":
newY = y + 1;
if (board.CellBlocked(x, newY))
{
return(0);
}
return(1 + CellFree(board, x, newY + 1) + CellFree(board, x + 1, newY) + CellFree(board, x - 1, newY));
default: // up
newY = y - 1;
if (board.CellBlocked(x, newY))
{
return(0);
}
return(1 + CellFree(board, x, newY - 1) + CellFree(board, x + 1, newY) + CellFree(board, x - 1, newY));
}
}
static string BestDFSMove(SnakeBoard board, List <string> moves)
{
Console.WriteLine("Doing DFS...");
// Order such that direction away from player is searched first
moves = moves.OrderByDescending(x => NextSquareDistanceFromEnemy(
board.GetPlayerPosition(), board.GetEnemyPosition(), x, board.GetEnemyDirection())).ToList();
MoveScore bestMove = new MoveScore(moves[0], DFSScore(game.SimulatePlayerMove(board, moves[0])));
for (int i = 1; i < moves.Count; i++)
{
int score = DFSScore(game.SimulatePlayerMove(board, moves[i]));
if (score > bestMove.score)
{
bestMove.dir = moves[i];
bestMove.score = score;
}
}
Console.WriteLine("Done DFS! Max depth: " + bestMove.score);
return(bestMove.dir);
}
static int DFSScore(SnakeBoard currentBoard, int depth)
{
nodeCount++;
BoardState currentState = game.EvaluateBoard(currentBoard);
if (depth == maxDepth || currentState != BoardState.ongoing)
{
return(depth);
}
List <MoveScore> moveScores = new List <MoveScore>();
foreach (string move in game.GetPossibleMoves(currentBoard).playerMoves)
{
SnakeBoard simBoard = game.SimulatePlayerMove(currentBoard, move);
int score = DFSScore(simBoard, depth + 1);
if (score == maxDepth)
{
return(score);
}
moveScores.Add(new MoveScore(move, score));
}
return(moveScores.Max(x => x.score));
}
private static int CellFree(SnakeBoard board, int x, int y)
{
return(Convert.ToInt32(!board.CellBlocked(x, y)));
}
private void GameLogicController(object sender, EventArgs e)
{
SnakeBoard.UpdateSnakePositionLogic(SnakeBoard);
}
