/// <summary>
/// Prepares next brick to be active brick.
/// </summary>
private void MakeNextBrickActive()
{
NextBrick.Erase();
ActiveBrick = NextBrick;
var pair = GameBoard.Labels.ElementAt(3);
var x = pair.Value[0] + pair.Key.Length / 2;
var y = pair.Value[1] + 1;
ActiveBrick.Move(-x / GameBoard.BoardScaling[0], -y / GameBoard.BoardScaling[1]); // move to original position
ActiveBrick.Move(GameBoard.TheoreticalSize[0] / 2 - 1, 0); // move to middle top of the board
ActiveBrick.Write();
}
/// <summary>
/// Handles key pressed by the player.
/// </summary>
/// <param name="key">Key pressed by the player.</param>
private void ProcessUserInput(ConsoleKey key)
{
var newPixels = new int[ActiveBrick.Pixels.GetLength(0)][];
Action action = null;
switch (key)
{
case ConsoleKey.DownArrow:
action = new Action(() => ActiveBrick.Move(0, 1));
newPixels = ActiveBrick.GetMovedPixels(0, 1);
break;
case ConsoleKey.LeftArrow:
action = new Action(() => ActiveBrick.Move(-1, 0));
newPixels = ActiveBrick.GetMovedPixels(-1, 0);
break;
case ConsoleKey.RightArrow:
action = new Action(() => ActiveBrick.Move(1, 0));
newPixels = ActiveBrick.GetMovedPixels(1, 0);
break;
case ConsoleKey.Spacebar:
action = new Action(() => ActiveBrick.Rotate());
newPixels = ActiveBrick.GetRotatedPixels();
break;
case ConsoleKey.P:
IsPaused = !IsPaused;
break;
default:
break;
}
if (action != null && !IsPaused)
{
if (IsNewPositionValid(newPixels))
{
ActiveBrick.Erase();
action.Invoke();
ActiveBrick.Write();
GameBoard.DrawFrame();
}
else if (key == ConsoleKey.Spacebar)
{
var vector = new int[2];
if (newPixels.Any(p => p[0] < 0))
{
vector = new int[] { -(newPixels.Min(x => x[0]) - 1) / GameBoard.BoardScaling[0], 0 }
}
;
if (newPixels.Any(p => p[0] > GameBoard.BoardScaling[0] * GameBoard.TheoreticalSize[0]))
{
vector = new int[] { (GameBoard.BoardScaling[0] * GameBoard.TheoreticalSize[0] - (newPixels.Max(x => x[0]) + 1)) / GameBoard.BoardScaling[0], 0 }
}
;
if (newPixels.Any(p => p[1] < 1))
{
vector = new int[] { 0, 1 }
}
;
foreach (var px in newPixels)
{
px[0] += vector[0] * GameBoard.BoardScaling[0];
px[1] += vector[1] * GameBoard.BoardScaling[1];
}
if (IsNewPositionValid(newPixels))
{
ActiveBrick.Erase();
action.Invoke();
ActiveBrick.Move(vector[0], vector[1]);
ActiveBrick.Write();
GameBoard.DrawFrame();
}
}
}
}