private void AddMinesTo(Tetrimino tetrimino)
{
for (int i = 0, chance = 70 ; i < 4 ; i++,
chance = chance / 6) {
if (r.Next (100) < chance)
tetrimino.blocks[i].HasMine = true;
}
}
/// <summary>
/// Rotates a tetrimino clockwise if it can.
/// </summary>
/// <param name="tetrimino">A tetrimino</param>
/// <param name="rotationPointBlockIndex">The index of the tetris block that is the centre of rotation in the tetrimino's blocks field.</param>
/// <returns>true if it rotates successfully.</returns>
public static bool TryRotateTetriminoClockwise (Tetrimino tetrimino, int rotationPointBlockIndex) {
//Local variable declarations
bool a, b, c, d;
TetrisBlock rotationBlock = tetrimino.blocks[rotationPointBlockIndex];
int X1, Y1, X2, Y2, X3, Y3, X4, Y4;
//Assign coordinates relative to the centre of rotation.
X1 = tetrimino.blocks[0].X - rotationBlock.X;
Y1 = tetrimino.blocks[0].Y - rotationBlock.Y;
X2 = tetrimino.blocks[1].X - rotationBlock.X;
Y2 = tetrimino.blocks[1].Y - rotationBlock.Y;
X3 = tetrimino.blocks[2].X - rotationBlock.X;
Y3 = tetrimino.blocks[2].Y - rotationBlock.Y;
X4 = tetrimino.blocks[3].X - rotationBlock.X;
Y4 = tetrimino.blocks[3].Y - rotationBlock.Y;
//Rotate the coordinates.
TetrisUtility.RotateClockwise (ref X1, ref Y1);
TetrisUtility.RotateClockwise (ref X2, ref Y2);
TetrisUtility.RotateClockwise (ref X3, ref Y3);
TetrisUtility.RotateClockwise (ref X4, ref Y4);
//Declares two arrays of absolute x and y coordinates.
int[] xArray = new int[] { rotationBlock.X + X1, rotationBlock.X + X2, rotationBlock.X + X3, rotationBlock.X + X4 };
int[] yArray = new int[] { rotationBlock.Y + Y1, rotationBlock.Y + Y2, rotationBlock.Y + Y3, rotationBlock.Y + Y4 };
//Check if the coordinates are valid
a = tetrimino.CheckPositionValid (xArray[0], yArray[0]);
b = tetrimino.CheckPositionValid (xArray[1], yArray[1]);
c = tetrimino.CheckPositionValid (xArray[2], yArray[2]);
d = tetrimino.CheckPositionValid (xArray[3], yArray[3]);
//If the coordinates are valid, assign them to each of the blocks.
if (a && b && c && d) {
for (int i = 0 ; i < 4 ; i++) {
tetrimino.blocks[i].X = xArray[i];
tetrimino.blocks[i].Y = yArray[i];
}
return true;
}
return false;
}
public void ResetGame()
{
for (int i = 0 ; i < 16 ; i++) {
for (int k = 0 ; k < 22 ; k++) {
board.tetrisBlockMatrix[i, k] = null;
}
}
List<Control> controlsToRemove = new List<Control> ();
foreach (Control c in panel1.Controls) {
if (c.Name == "TetrisBlock") {
controlsToRemove.Add (c);
}
}
foreach (Control c in controlsToRemove) {
panel1.Controls.Remove (c);
}
fallingTetrimino.Dispose ();
fallingTetrimino = null;
button1.Enabled = true;
if (totalScore > Highscore) {
Highscore = totalScore;
}
totalScore = 0;
}