private int GetNumUsedTiles(int[] valueTile, int[] finishTile, Boolean alignedVertically)
{
int numUsedTiles = 0;
Func <Coords, Coords> moveFunction;
if (alignedVertically)
{
if (valueTile[1] > finishTile[1])
{
moveFunction = Coords.MoveUp;
}
else
{
moveFunction = Coords.MoveDown;
}
}
else
{
if (valueTile[0] < finishTile[0])
{
moveFunction = Coords.MoveRight;
}
else
{
moveFunction = Coords.MoveLeft;
}
}
Coords coords = moveFunction(new Coords(valueTile[0], valueTile[1]));
int tileValue = board.TileValue(coords);
while (tileValue != ZhedBoard.FINISH_TILE)
{
if (tileValue == ZhedBoard.USED_TILE)
{
numUsedTiles++;
Console.WriteLine("Num used tiles: {0}", numUsedTiles);
}
coords = moveFunction(coords);
tileValue = board.TileValue(coords);
}
if (numUsedTiles != 0)
{
Console.WriteLine("Num used tiles: {0}", numUsedTiles);
}
return(numUsedTiles);
}
public static ZhedBoard SpreadTile(ZhedBoard board, Coords coords, Func <Coords, Coords> moveFunction)
{
int tileValue = board.TileValue(coords);
if (tileValue <= 0)
{
return(board);
}
ZhedBoard newBoard = new ZhedBoard(board);
newBoard.SetTile(coords, USED_TILE);
newBoard.boardValue += 2 * tileValue;
newBoard.UpdateValueTiles(coords);
while (tileValue > 0)
{
coords = moveFunction(coords);
if (!newBoard.inbounds(coords))
{
break;
}
switch (newBoard.TileValue(coords))
{
case EMPTY_TILE: newBoard.SetTile(coords, USED_TILE); tileValue--; break;
case FINISH_TILE: newBoard.SetTile(coords, WINNER_TILE); newBoard.isOver = true; break;
default: break;
}
}
return(newBoard);
}