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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5
src/pegp/solver.d
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@ -53,11 +53,13 @@ class Solver
{ {
for (int col = 0; col <= row; col++) for (int col = 0; col <= row; col++)
{ {
if (board.peg_present(row, col))
{
Board.Position position = Board.Position(row, col);
for (Board.Direction direction = Board.Direction.FIRST; for (Board.Direction direction = Board.Direction.FIRST;
direction < Board.Direction.COUNT; direction < Board.Direction.COUNT;
direction++) direction++)
{ {
Board.Position position = Board.Position(row, col);
Board new_board = board.move(position, direction); Board new_board = board.move(position, direction);
if (new_board !is null) if (new_board !is null)
{ {
@ -70,6 +72,7 @@ class Solver
} }
} }
} }
}
if (!found_valid_move) if (!found_valid_move)
{ {
end_game(board, moves); end_game(board, moves);