public Piece(Shape shape, uint angle, Grid grid)
{
_shape = shape;
_color = pickColor (_shape);
_blocks = new Block[Constants.BlockPerPiece];
placeBlockAccordingToShape((Constants.GridSizeXmin + Constants.GridSizeXmax) / 2, Constants.GridSizeYmax);
_angle = 0;
turnPieceAccordingToAngle(grid, angle);
movePieceUp(Constants.GridSizeYmax);
}
//--------------------------------------------------------------
// CONSTRUCTORS
//--------------------------------------------------------------
public Player(string name)
{
_name = name;
_score = 0;
_level = Constants.MinLevel;
_removedRows = 0;
_grid = new Grid();
_proposedPieces = new Piece[Constants.NbProposedPiece];
for(int i = 0; i < Constants.NbProposedPiece; i++)
{
_proposedPieces[i] = new Piece(0, 0, Constants.IdGeneratorPlayer2);
_proposedPieces[i].MoveToZero();
}
}
private void turnPieceAccordingToAngle(Grid grid, uint angle)
{
for (uint i = angle ; i > 0 && TurnLeft(grid); i--);
}
private bool pieceCanMove(Grid grid, int[] newX, int[] newY)
{
bool canRotate = true;
if(grid != null)
{
// First we need to check if the piece is too high
// In this case, we need to make it go down
int offsetDown = 0;
for(uint i = 0 ; i < Constants.BlockPerPiece; i++)
{
if(newY[i] - offsetDown > Constants.GridSizeYmax)
offsetDown = newY[i] - Constants.GridSizeYmax;
}
if(offsetDown > 0)
{
for(uint i = 0 ; i < Constants.BlockPerPiece; i++)
{
newY[i] -= offsetDown;
}
}
// We are going to make 3 iterations to find a position that is good
// First with the position already calculated, then with a shift to the right
// and finally with a shift to the left
int iteration = 0;
do
{
if(iteration == 1)
{
// We shift to the left
for (uint i = 0 ; i < Constants.BlockPerPiece; i++)
{
newX[i]--;
}
canRotate = true;
}
else if(iteration == 2)
{
// We shift to the right
for (uint i = 0 ; i < Constants.BlockPerPiece; i++)
{
newX[i] += 2;
}
canRotate = true;
}
for (uint i = 0 ; i < Constants.BlockPerPiece; i++)
{
if (grid.isOutOfGrid(newX[i], newY[i]) || grid.isBlock(newX[i], newY[i]))
{
canRotate = false;
break;
}
}
iteration++;
} while(!canRotate && iteration < 3);
}
return canRotate;
}
public bool TurnRight(Grid grid)
{
bool canRotate = true;
int[] newX = new int[Constants.BlockPerPiece];
int[] newY = new int[Constants.BlockPerPiece];
// Calculate the new coordinates
for (uint i = 0; i < Constants.BlockPerPiece; i++)
{
// Change the point of reference : x = x - x0 and y = y - y0
// Rotate : x = y and y = - x
// Go back to the original point of reference : x = x + x0 and y = y + y0
newX[i] = _blocks[i]._y - _blocks[0]._y + _blocks[0]._x;
newY[i] = -_blocks[i]._x + _blocks[0]._x + _blocks[0]._y;
}
// Check if the piece can be rotated
canRotate = pieceCanMove(grid, newX, newY);
// Rotate the piece if it can be rotated
if(canRotate)
{
for (uint i = 0 ; canRotate && i < Constants.BlockPerPiece; i++)
{
_blocks[i]._x = newX[i];
_blocks[i]._y = newY[i];
}
_angle = (_angle == 0) ? (_angle + 3) : _angle-1;
}
return canRotate;
}
public Piece(Grid grid, Shape shape)
: this(shape, pickAngle(), grid)
{
}
public bool MoveRight(Grid grid)
{
bool canMove = true;
int[] newX = new int[Constants.BlockPerPiece];
// Calculate the new coordinates
for (uint i = 0; i < Constants.BlockPerPiece ; i++)
{
newX[i] = _blocks[i]._x + 1 ;
}
// Check if the piece can be moved
for (uint i = 0 ; i < Constants.BlockPerPiece ; i++)
{
if (grid.isOutOfGrid(newX[i], _blocks[i]._y) || grid.isBlock(newX[i], _blocks[i]._y))
{
canMove = false;
}
}
// Rotate the piece if it can be rotated
for (uint i = 0 ; canMove && i < Constants.BlockPerPiece ; i++)
{
_blocks[i]._x = newX[i];
}
return canMove;
}
//--------------------------------------------------------------
// CONSTRUCTORS
//--------------------------------------------------------------
public Piece(Grid grid, int generatorKey)
: this(pickShape(randomGenerator, generatorKey), pickAngle(), grid)
{
}
public bool MoveDown(Grid grid)
{
bool canMove = true;
int[] newY = new int[Constants.BlockPerPiece];
// Calculate the new coordinates
for (uint i = 0; i < Constants.BlockPerPiece; i++)
{
newY[i] = _blocks[i]._y - 1 ;
}
// Check if the piece can be moved
for (uint i = 0 ; i < Constants.BlockPerPiece ; i++)
{
if (grid.isOutOfGrid(_blocks[i]._x, newY[i]) || grid.isBlock(_blocks[i]._x, newY[i]))
{
canMove = false;
break;
}
}
// Validate the new position if it is ok
if(canMove)
{
for (uint i = 0 ; i < Constants.BlockPerPiece ; i++)
{
_blocks[i]._y = newY[i];
}
}
return canMove;
}
public int MoveBottom(Grid grid)
{
int nbMoveDown = 0;
while (this.MoveDown(grid))
{
nbMoveDown++;
}
return nbMoveDown;
}
public void Init(Grid grid)
{
// Associate the instance
_grid = grid;
// Create the associated PieceViews
_fallingPieceView = new PieceView(_grid._fallingPiece, false);
_shadowPieceView = new PieceView(_grid._shadowPiece, true);
// Create the associated BlockViews
_mapView = new BlockView[Constants.GridSizeX, Constants.GridSizeY];
for (uint i = 0 ; i < _grid._map.GetLength(0) ; i++)
{
for (uint j = 0 ; j < _grid._map.GetLength(1) ; j++)
{
_mapView[i,j] = new BlockView(_grid._map[i,j], false);
}
}
_mutexView = new Mutex(false);
}
