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fixed getLegalMoves & getFlips

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ramollia
2025-12-04 20:12:15 +01:00
parent 0993abeec7
commit be57e25a48
1 changed files with 18 additions and 5 deletions
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23
game/src/main/java/org/toop/game/games/reversi/BitboardReversi.java
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@@ -26,21 +26,28 @@ public class BitboardReversi extends BitboardGame<BitboardReversi> {
setPlayerBitboard(0, (1L << (3 + 4 * 8)) | (1L << (4 + 3 * 8))); setPlayerBitboard(0, (1L << (3 + 4 * 8)) | (1L << (4 + 3 * 8)));
// White (player 1) // White (player 1)
setPlayerBitboard(1, (1L << (3 + 3 * 8)) | (1L << (4 + 4 * 8))); } setPlayerBitboard(1, (1L << (3 + 3 * 8)) | (1L << (4 + 4 * 8)));
}
public long getLegalMoves2() { public long getLegalMoves2() {
final long player = getPlayerBitboard(getCurrentPlayerIndex()); final long player = getPlayerBitboard(getCurrentPlayerIndex());
final long opponent = getPlayerBitboard(getNextPlayer()); final long opponent = getPlayerBitboard(getNextPlayer());
long legalMoves = 0L; long legalMoves = 0L;
// north & south
legalMoves |= computeMoves(player, opponent, 8, -1L); legalMoves |= computeMoves(player, opponent, 8, -1L);
legalMoves |= computeMoves(player, opponent, -8, -1L); legalMoves |= computeMoves(player, opponent, -8, -1L);
// east & west
legalMoves |= computeMoves(player, opponent, 1, notAFile); legalMoves |= computeMoves(player, opponent, 1, notAFile);
legalMoves |= computeMoves(player, opponent, -1, notHFile); legalMoves |= computeMoves(player, opponent, -1, notHFile);
// north-east & north-west & south-east & south-west
legalMoves |= computeMoves(player, opponent, 9, notAFile); legalMoves |= computeMoves(player, opponent, 9, notAFile);
legalMoves |= computeMoves(player, opponent, 7, notHFile); legalMoves |= computeMoves(player, opponent, 7, notHFile);
legalMoves |= computeMoves(player, opponent, -7, notHFile); legalMoves |= computeMoves(player, opponent, -7, notAFile);
legalMoves |= computeMoves(player, opponent, -9, notAFile); legalMoves |= computeMoves(player, opponent, -9, notHFile);
return legalMoves; return legalMoves;
} }
@@ -50,14 +57,20 @@ public class BitboardReversi extends BitboardGame<BitboardReversi> {
final long opponent = getPlayerBitboard(getNextPlayer()); final long opponent = getPlayerBitboard(getNextPlayer());
long flips = 0L; long flips = 0L;
// north & south
flips |= computeFlips(move, player, opponent, 8, -1L); flips |= computeFlips(move, player, opponent, 8, -1L);
flips |= computeFlips(move, player, opponent, -8, -1L); flips |= computeFlips(move, player, opponent, -8, -1L);
// east & west
flips |= computeFlips(move, player, opponent, 1, notAFile); flips |= computeFlips(move, player, opponent, 1, notAFile);
flips |= computeFlips(move, player, opponent, -1, notHFile); flips |= computeFlips(move, player, opponent, -1, notHFile);
// north-east & north-west & south-east & south-west
flips |= computeFlips(move, player, opponent, 9, notAFile); flips |= computeFlips(move, player, opponent, 9, notAFile);
flips |= computeFlips(move, player, opponent, 7, notHFile); flips |= computeFlips(move, player, opponent, 7, notHFile);
flips |= computeFlips(move, player, opponent, -7, notHFile); flips |= computeFlips(move, player, opponent, -7, notAFile);
flips |= computeFlips(move, player, opponent, -9, notAFile); flips |= computeFlips(move, player, opponent, -9, notHFile);
return flips; return flips;
} }