private static BoardLocation GetFirstNonEmptyInDirection(Board board, BoardLocation location, int directionX, int directionY)
{
int x = location.X;
int y = location.Y;
do
{
x += directionX;
y += directionY;
} while (BoardLocation.IsLegal(x, y) && (board.GetOwner(new BoardLocation(x, y)) == Player.None));
if (!BoardLocation.IsLegal(x, y))
{
return(null);
}
BoardLocation newLocation = new BoardLocation(x, y);
if (newLocation == location ||
board.GetOwner(newLocation) == Player.None)
{
return(null);
}
else
{
return(newLocation);
}
}
private static IEnumerable <BoardLocation> AllLegalBoardLocations()
{
for (int y = 0; y < 9; y++)
{
for (int x = 0; x < 9; x++)
{
if (BoardLocation.IsLegal(x, y))
{
yield return(new BoardLocation(x, y));
}
}
}
}
public static void CalculateGameState(Board board, Player me)
{
myPossibleToLocations.Clear();
myPossibleFromLocations.Clear();
myAttackMoves.Clear();
myLocations.Clear();
myMaxStoneHeight[Stone.boulder] = 0;
myMaxStoneHeight[Stone.pebble] = 0;
myMaxStoneHeight[Stone.rock] = 0;
hisMaxStoneheight[Stone.boulder] = 0;
hisMaxStoneheight[Stone.pebble] = 0;
hisMaxStoneheight[Stone.rock] = 0;
myHighest = 0;
hisAttackMoves.Clear();
hisLocations.Clear();
hisPossibleFromLocations.Clear();
hisPossibleToLocations.Clear();
for (int y = 0; y < 9; y++)
{
for (int x = 0; x < 9; x++)
{
if (BoardLocation.IsLegal(x, y))
{
var location = new BoardLocation(x, y);
Stone stone = board.GetStone(location);
if (stone != Stone.None)
{
int height = board.GetHeight(location);
if (board.GetOwner(location) == me)
{
myLocations.Add(location);
myPossibleToLocations.Add(location, new List <BoardLocation>());
myPossibleFromLocations.Add(location, new List <BoardLocation>());
myAttackMoves.Add(location, new List <BoardLocation>());
if (height > myMaxStoneHeight[stone])
{
myMaxStoneHeight[stone] = height;
}
if (height > myHighest)
{
myHighest = height;
}
}
else
{
hisLocations.Add(location);
hisPossibleToLocations.Add(location, new List <BoardLocation>());
hisPossibleFromLocations.Add(location, new List <BoardLocation>());
hisAttackMoves.Add(location, new List <BoardLocation>());
if (height > hisMaxStoneheight[stone])
{
hisMaxStoneheight[stone] = height;
}
}
GetPossibleToLocations(board, location, me);
GetPossibleFromLocations(board, location, me);
}
}
}
}
}