public Tuple <int, int> canRotate(TetrisGrid grid, bool clockwise)
{
byte v;
bool passing = true;
int target;
if (clockwise)
{
target = (Rotation + 1) % 4;
}
else
{
if (Rotation - 1 < 0)
{
target = 3;
}
else
{
target = Rotation - 1;
}
}
BlockTester tester = new BlockTester(0, 0, (float)Tetrimino.Size.Width, (float)Tetrimino.Size.Height);
foreach (Tuple <int, int> kick in TetriminoKicks[Util.rotation_id(target, clockwise)])
{
passing = true;
for (int i = 0; i < TetriminoLayout.GetLength(1); i++)
{
for (int j = 0; j < TetriminoLayout.GetLength(2); j++)
{
v = TetriminoLayout[target, i, j];
if (v == 0)
{
continue;
}
tester.X = i * ((float)Tetrimino.Size.Width) + (kick.Item1 * (float)Tetrimino.Size.Width) + this.x();
tester.Y = j * ((float)Tetrimino.Size.Height) + (kick.Item2 * (float)Tetrimino.Size.Height) + this.y();
if (grid.isCollision(tester))
{
passing = false;
break;
}
}
if (passing == false)
{
break;
}
}
if (passing == true)
{
return(kick);
}
}
return(null);
}
public bool isCollision(TetrisBlock block, float offX, float offY)
{
BlockTester tester;
foreach (var tetrimino in block.Tetriminos)
{
tester = new BlockTester(tetrimino.x() + offX, tetrimino.y() + offY, (float)Tetrimino.Size.Width, (float)Tetrimino.Size.Height);
if (isCollision(tester))
{
return(true);
}
}
return(false);
}