josh/peg_puzzle
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Only loop through directions when a peg is present.

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This commit is contained in:
Josh Holtrop 2021-02-28 15:12:40 -05:00
parent 7dc37d4ede
commit 7db1769723
1 changed files with 13 additions and 10 deletions
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23
src/pegp/solver.d
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@ -53,19 +53,22 @@ class Solver
{
for (int col = 0; col <= row; col++)
{
for (Board.Direction direction = Board.Direction.FIRST;
direction < Board.Direction.COUNT;
direction++)
if (board.peg_present(row, col))
{
Board.Position position = Board.Position(row, col);
Board new_board = board.move(position, direction);
if (new_board !is null)
for (Board.Direction direction = Board.Direction.FIRST;
direction < Board.Direction.COUNT;
direction++)
{
found_valid_move = true;
Move m = new Move(position, position.move(direction, 2));
Move[] new_moves = moves.dup;
new_moves ~= m;
eval_board(new_board, new_moves);
Board new_board = board.move(position, direction);
if (new_board !is null)
{
found_valid_move = true;
Move m = new Move(position, position.move(direction, 2));
Move[] new_moves = moves.dup;
new_moves ~= m;
eval_board(new_board, new_moves);
}
}
}
}