static bool DoesPieceFit(sbyte posX, sbyte posY, ref short rotation)
{
for (byte x = 0; x < Tetromino.LENGTH; ++x)
{
for (byte y = 0; y < Tetromino.LENGTH; ++y)
{
var pieceIndex = Tetromino.GetIndexByRotation(x, y, ref rotation);
var fieldIndexX = posX + x;
var fieldIndexY = posY + y;
if (fieldIndexY >= 0 && fieldIndexY < field.Height && fieldIndexX >= 0 && fieldIndexX < field.Width)
{
var fieldValue = field.GetGlyph((ushort)fieldIndexX, (ushort)fieldIndexY);
if (fieldValue != EMPTY && piece.Type[pieceIndex] != ' ')
{
return(false);
}
}
if (piece.Type[pieceIndex] != ' ' && (fieldIndexX >= field.Width || fieldIndexX < 0))
{
return(false);
}
if (piece.Type[pieceIndex] != ' ' && fieldIndexY >= field.Height)
{
return(false);
}
}
}
return(true);
}
static void DrawNextPiece()
{
byte posX = NEXT_POS_X + 1, posY = NEXT_POS_Y + 1;
var nextTetrad = new Tetromino(nextPiece);
for (byte x = 0; x < Tetromino.LENGTH; ++x)
{
for (byte y = 0; y < Tetromino.LENGTH; ++y)
{
Painting.brush = nextTetrad.Type[Tetromino.GetIndexByRotation(x, y, ref piece.rotation)];
Painting.DrawCell((short)(posX + x), (short)(posY + y), nextTetrad.Colour);
}
}
}
static void LockPiece(ref Tetromino piece, ComplexConsoleImage field)
{
for (byte x = 0; x < Tetromino.LENGTH; ++x)
{
for (byte y = 0; y < Tetromino.LENGTH; ++y)
{
var c = piece.Type[Tetromino.GetIndexByRotation(x, y, ref piece.rotation)];
if (c != ' ')
{
field[(ushort)(piece.x + x), (ushort)(piece.y + y)] = piece.Colour;
field.SetGlyph((ushort)(piece.x + x), (ushort)(piece.y + y), c);
}
}
}
}
static void DrawPiece(ref Tetromino piece)
{
for (byte x = 0; x < Tetromino.LENGTH; ++x)
{
for (byte y = 0; y < Tetromino.LENGTH; ++y)
{
var c = piece.Type[Tetromino.GetIndexByRotation(x, y, ref piece.rotation)];
if (c != ' ')
{
Painting.brush = c;
Painting.DrawCell((short)(piece.x + x + 1), (short)(piece.y + y + 1), piece.Colour);
}
}
}
}
static void InitGame(Tetromino.Shape next)
{
string temp;
if (enableChars)
{
temp = "☻♥♫";
}
else
{
temp = "█";
}
// colours which are below 7 are all dark colours
piece = new Tetromino(next, temp[r.Next(temp.Length)], enableColour ? (ConsoleColor)r.Next(9, 16) : ConsoleColor.Gray);
piece.x = FIELD_WIDTH - 1 >> 1;
nextPiece = (Tetromino.Shape)r.Next(7);
DrawNextPiece();
}
