public void HardDrop(Tetrimino piece, int moveVal)
{
if (CheckForMoveCollision(piece, moveVal))
{
piece.MoveUpDown(moveVal - 1);
}
else
{
HardDrop(piece, moveVal + 1);
}
}
public void LegalMoveUpDown(Tetrimino piece, int moveVal)
{
// Check For Collisions
if (!CheckForMoveCollision(piece, moveVal))
{
_activePiece.MoveUpDown(moveVal);
}
else
{
DropActivePiece();
}
}
public bool CheckForMoveCollision(Tetrimino piece, int moveVal)
{
// Copy Active Piece And Simulate Move
Tetrimino copy = GeneratePiece(piece.GetBlockValue());
piece.MakeCopy(copy);
copy.MoveUpDown(moveVal);
// Check If Block Collides With Pile
if (_tower.CheckPieceOverlap(copy))
{
return(true);
}
// Check If Block Collides With Bottom
if (!copy.IsInBounds(_tower))
{
return(true);
}
return(false);
}
public void TryRotate(Tetrimino piece, bool clockwise)
{
// Copy Active Piece And Simulate Rotation
Tetrimino copy = GeneratePiece(piece.GetBlockValue());
piece.MakeCopy(copy);
copy.Rotate(clockwise);
// If Everything Looks Good, Rotate Active Piece
if (copy.IsInBounds(_tower))
{
piece.Rotate(clockwise);
}
// If It Doesn't, Try To Apply An Offset To The Rotation
else
{
int rotationOffsetValue = -1;
while (!copy.IsInBounds(_tower))
{
rotationOffsetValue++;
switch (rotationOffsetValue)
{
case 0:
// 1 Space Left
copy.MoveLeftRight(-1);
break;
case 1:
// 2 Spaces Left
copy.MoveLeftRight(-1);
break;
case 2:
// 1 Space Right
copy.MoveLeftRight(3);
break;
case 3:
// 2 Spaces Right
copy.MoveLeftRight(1);
break;
case 4:
// 1 Space Down
copy.MoveLeftRight(-2);
copy.MoveUpDown(1);
break;
case 5:
// 2 Spaces Down
copy.MoveUpDown(1);
break;
default:
return;
}
}
// Rotate And Apply Offset
piece.Rotate(clockwise);
switch (rotationOffsetValue)
{
case 0:
piece.MoveLeftRight(-1);
break;
case 1:
piece.MoveLeftRight(-2);
break;
case 2:
piece.MoveLeftRight(1);
break;
case 3:
piece.MoveLeftRight(2);
break;
case 4:
piece.MoveUpDown(1);
break;
case 5:
piece.MoveUpDown(2);
break;
}
}
_rotateSound.Play();
}