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fixed en passant capture

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This commit is contained in:
Karma Riuk 2025-02-03 16:26:31 +01:00
parent 310abb0611
commit 4eaed699c0
1 changed files with 3 additions and 2 deletions
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5
cpp/src/pieces/pawn.cpp
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@ -32,14 +32,15 @@ std::vector<Move> pawn_moves(const Board& b, const Coords xy) {
// -- Capture en passant
if (b.en_passant_target != -1) {
Coords c = Coords::from_index(b.en_passant_target);
int dy = my_colour == Colour::White ? -1 : 1;
if (c.y == xy.y + dy && (c.x == xy.x - 1 || c.x == xy.x + 1))
int dy = my_colour == Colour::White ? 1 : -1;
if (c.y == xy.y + dy && (c.x == xy.x - 1 || c.x == xy.x + 1)) {
ret.push_back(Move{
xy.to_index(),
c.to_index(),
.is_capturing = true,
.en_passant = true
});
}
}
// -- Normal move + promotion