public static CellModel FindNextCellInDirection(this GridModel grid, CellModel cell, Direction direction)
{
var vector = Vector.FromDirection(direction);
CellModel previous;
do
{
// Progress towards the vector direction until an obstacle is found
previous = cell;
cell = grid[previous.PosX + vector.x, previous.PosY + vector.y];
}
while (cell != null && cell.IsAvailable);
return cell;
}
public static CellModel FindFarthestPosition(this GridModel grid, CellModel cell, Vector vector, out CellModel next)
{
CellModel previous;
// Progress towards the vector direction until an obstacle is found
do
{
previous = cell;
cell = grid[previous.PosX + vector.x, previous.PosY + vector.y];
}
while (cell != null && cell.IsAvailable);
next = cell; // Used to check if a merge is required
return previous;
}
public GridModel(int size)
{
LeanAndMeanModel = true;
SizeX = size;
SizeY = size;
_cells = new List<CellModel>(SizeX * SizeY);
for (int i = 0; i < SizeX * SizeY; i++)
{
var cell = new CellModel(i % SizeY, i / SizeX);
var tile = new TileModel(1);
tile.Position = cell;
_cells.Add(cell);
}
//Reset();
}
/// <summary>
/// Create a deep copy of a grid, history of moves and merges removed.
/// </summary>
/// <param name="grid"></param>
public GridModel(GridModel grid)
{
SizeX = grid.SizeX;
SizeY = grid.SizeY;
_cells = new List<CellModel>(SizeX * SizeY);
for (int i = 0; i < SizeX * SizeY; i++)
{
int x = i % SizeY;
int y = i / SizeX;
var cell = new CellModel(x, y);
_cells.Add(cell);
var sourceCell = grid[x,y];
if (sourceCell.IsOccupied)
{
var tileCopy = new TileModel(sourceCell.Tile);
tileCopy.Position = cell;
}
}
}
public CellViewModel(CellModel model)
{
Model = model;
}
public static CellModel FindFarthestPosition(this GridModel grid, CellModel cell, Direction direction, out CellModel next)
{
return FindFarthestPosition(grid, cell, Vector.FromDirection(direction), out next);
}
public static CellModel FindFarthestPosition(this GridModel grid, CellModel cell, Vector vector, out CellModel next)
{
CellModel previous;
// Progress towards the vector direction until an obstacle is found
do
{
previous = cell;
cell = grid[previous.PosX + vector.x, previous.PosY + vector.y];
}while (cell != null && cell.IsAvailable);
next = cell; // Used to check if a merge is required
return(previous);
}
public static CellModel FindFarthestPosition(this GridModel grid, CellModel cell, Direction direction, out CellModel next)
{
return(FindFarthestPosition(grid, cell, Vector.FromDirection(direction), out next));
}