private void DrawBlocks(TetrisGameState state)
{
if (state.Grid.Width > _canvas.Width - 2 * _borderWidth || state.Grid.Height > _canvas.Height - 2 * _borderWidth)
{
throw new Exception(
$"Game grid ({state.Grid.Width}x{state.Grid.Height}) does not fit inside " +
$"Canvas ({_canvas.Width}x{_canvas.Height}) with Border size ({_borderWidth})");
}
var grid = state.Grid.Blocks;
if (state.ActiveBlock != null)
{
var block = state.ActiveBlock;
grid.Imprint(block.Shape, block.Position);
}
for (var y = 0; y < grid.GetLength(1); y++)
{
for (var x = 0; x < grid.GetLength(0); x++)
{
var type = grid[x, y];
if (type != 0)
{
var color = GetColor(type);
_canvas.SetPixel(x + _borderWidth, y + _borderWidth, color);
}
}
}
}
private void DrawScore(TetrisGameState state)
{
var xOffset = 1;
var yOffset = state.Grid.Height + 2 * _borderWidth + 1;
var digitRenderer = new DigitRenderer(_canvas, 4);
digitRenderer.RenderNumber(xOffset, yOffset, state.Score);
}
public void Render(TetrisGameState state)
{
_canvas.Clear();
DrawBorder(state);
DrawBlocks(state);
DrawScore(state);
_matrix.SwapOnVsync(_canvas);
}
private void DrawBorder(TetrisGameState state)
{
if (_borderWidth == 0)
{
return;
}
var x2 = state.Grid.Width + 1;
var y2 = state.Grid.Height + 1;
var borderColor = new Color(50, 50, 50);
_canvas.DrawLine(0, 0, 0, y2, borderColor);
_canvas.DrawLine(0, 0, x2, 0, borderColor);
_canvas.DrawLine(0, y2, x2, y2, borderColor);
_canvas.DrawLine(x2, 0, x2, y2, borderColor);
}
private static void DrawBlocks(TetrisGameState state)
{
var grid = state.Grid.Blocks;
if (state.ActiveBlock != null)
{
var block = state.ActiveBlock;
grid.Imprint(block.Shape, block.Position);
}
var sb = new StringBuilder();
for (var y = 0; y < grid.GetLength(1); y++)
{
sb.Append("| ");
for (var x = 0; x < grid.GetLength(0); x++)
{
var type = grid[x, y];
if (type != 0)
{
System.Console.ForegroundColor = GetColor(type);
sb.Append("\u2588\u2588");
}
else
{
sb.Append(" ");
}
}
System.Console.ResetColor();
sb.AppendLine($"|{y}");
}
var hLine = "`" + new string(Enumerable.Repeat('-', grid.GetLength(0) * 2 + 1).ToArray()) + "`";
sb.AppendLine(hLine);
System.Console.SetCursorPosition(0, 0);
System.Console.Write(sb.ToString());
}
private void DrawScore(TetrisGameState state)
{
var(x, y) = (_gridWidth + 2 + 5, 4);
System.Console.SetCursorPosition(x, y);
System.Console.Write("Score: " + state.Score);
}
public void Render(TetrisGameState state)
{
DrawBlocks(state);
DrawScore(state);
}
