public GameBoard(int size)
{
if (size < 3 || size > 8)
{
throw new TakException("Minimum board size is 3. Maximum board size is 8.");
}
turn = Colour.White;
this.size = size;
stacks = new StoneStack[size, size];
state = GameState.InProgress;
whiteStones = new StoneReserve(size);
blackStones = new StoneReserve(size);
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
stacks[x, y] = new StoneStack();
}
}
}
public StoneStack PickUpStack(int x, int y, int amount = UNSPECIFIED)
{
if (!ValidIndex(x, y))
{
throw new IllegalMoveException("\nIndex [" + x + ", " + y + "] is out of bounds");
}
if (stacks[x, y].Count < 1)
{
throw new IllegalMoveException("\nStack is empty.");
}
if (!CurrentPlayerIsOwner(x, y))
{
throw new IllegalMoveException("\nCurrent player does not control the stack at [" + x + ", " + y + "].");
}
if (amount == UNSPECIFIED)
{
if (stacks[x, y].Count > 1)
{
throw new IllegalMoveException("\nUnspecified number of stones to pick up, but stack contains more than one");
}
else
{
amount = 1;
}
}
if (amount > size)
{
throw new IllegalMoveException("\nCould not pick up " + amount + " stones, the size of the gameboard is " + size);
}
StoneStack pickedUp = stacks[x, y].Separate(amount);
return(pickedUp);
}