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Retire enum Direction

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Use SquareDelta instead

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2010-12-26 12:41:30 +01:00
parent f08a6eed0d
commit cb7f20913e
4 changed files with 34 additions and 55 deletions
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14
src/bitboard.cpp
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@@ -455,25 +455,19 @@ namespace {
void init_between_bitboards() {
const SquareDelta directionToDelta[] = {
DELTA_E, DELTA_N, DELTA_NE, DELTA_NW, DELTA_W, DELTA_S, DELTA_SW, DELTA_SE
};
Square s1, s2, s3;
Direction d;
SquareDelta d;
for (s1 = SQ_A1; s1 <= SQ_H8; s1++)
for (s2 = SQ_A1; s2 <= SQ_H8; s2++)
{
BetweenBB[s1][s2] = EmptyBoardBB;
d = direction_between_squares(s1, s2);
d = SquareDelta(DirectionTable[s1][s2]);
if (d == DIR_NONE)
if (d == DELTA_NONE)
continue;
SquareDelta sd = directionToDelta[s2 > s1 ? d : d + 4];
for (s3 = s1 + sd; s3 != s2; s3 += sd)
for (s3 = s1 + d; s3 != s2; s3 += d)
set_bit(&(BetweenBB[s1][s2]), s3);
}
}