public Tile CellContent(Cell cell) {
if (WithinBounds(cell)) {
return Tiles[cell.X][cell.Y];
}
return null;
}
public bool WithinBounds(Cell cell) {
return cell.X >= 0 && cell.X < size &&
cell.Y >= 0 && cell.Y < size;
}
public bool CellAvailable(Cell cell) {
return !CellOccupied(cell);
}
bool CellOccupied(Cell cell) {
return CellContent(cell) != null;
}
public void MoveTile(Tile tile, Cell cell) {
if (!tile.PositionsEqual(cell)) {
cells[tile.X][tile.Y] = null;
cells[cell.X][cell.Y] = tile;
tile.UpdatePosition(cell);
}
}
public bool PositionsEqual(Cell cell) {
return cell.X == this.X &&
cell.Y == this.Y;
}
public void SavePosition() {
previousPosition = new Cell { X = X, Y = Y };
}
public void UpdatePosition(Cell cell) {
X = cell.X;
Y = cell.Y;
OnPositionUpdated(EventArgs.Empty);
}
public Tile(Cell cell, int value = 2) {
X = cell.X;
Y = cell.Y;
this.value = value;
}