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introduce bitloops

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mike
2026-01-20 01:57:21 +01:00
parent 7e5e363a3e
commit d1c448e1cb
7 changed files with 239 additions and 85 deletions
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9
src/main/java/puzzle/Export.java
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@@ -41,6 +41,7 @@ public record Export() {
static final byte CLUE_UP = 2;
static final byte CLUE_LEFT = 3;
static final byte CLUE_LEFT_TOP = 4;
static final byte CLUE_RIGHT_TOP = 5;
static int HI(int in) { return in | 64; }
static char LETTER(int in) { return (char) (in | 64); }
static char CLUE_CHAR(int s) { return (char) (s | 48); }
@@ -100,13 +101,15 @@ public record Export() {
for (var l = c.lo & ~c.xlo & ~c.rlo & ~c.vlo; l != X; l &= l - 1) stream.accept(new ClueAt(Long.numberOfTrailingZeros(l), DOWN.dir));
for (var l = c.lo & ~c.xlo & c.rlo & ~c.vlo; l != X; l &= l - 1) stream.accept(new ClueAt(Long.numberOfTrailingZeros(l), CLUE_UP));
for (var l = c.lo & ~c.xlo & c.rlo & c.vlo; l != X; l &= l - 1) stream.accept(new ClueAt(Long.numberOfTrailingZeros(l), CLUE_LEFT));
for (var l = c.lo & c.xlo; l != X; l &= l - 1) stream.accept(new ClueAt(Long.numberOfTrailingZeros(l), CLUE_LEFT_TOP));
for (var l = c.lo & c.xlo & ~c.rlo & ~c.vlo; l != X; l &= l - 1) stream.accept(new ClueAt(Long.numberOfTrailingZeros(l), CLUE_LEFT_TOP));
for (var l = c.lo & c.xlo & ~c.rlo & c.vlo; l != X; l &= l - 1) stream.accept(new ClueAt(Long.numberOfTrailingZeros(l), CLUE_RIGHT_TOP));
for (var h = c.hi & ~c.xhi & ~c.rhi & c.vhi; h != X; h &= h - 1) stream.accept(new ClueAt(HI(Long.numberOfTrailingZeros(h)), CLUE_RIGHT));
for (var h = c.hi & ~c.xhi & ~c.rhi & ~c.vhi; h != X; h &= h - 1) stream.accept(new ClueAt(HI(Long.numberOfTrailingZeros(h)), CLUE_DOWN));
for (var h = c.hi & ~c.xhi & c.rhi & ~c.vhi; h != X; h &= h - 1) stream.accept(new ClueAt(HI(Long.numberOfTrailingZeros(h)), CLUE_UP));
for (var h = c.hi & ~c.xhi & c.rhi & c.vhi; h != X; h &= h - 1) stream.accept(new ClueAt(HI(Long.numberOfTrailingZeros(h)), CLUE_LEFT));
for (var h = c.hi & c.xhi; h != X; h &= h - 1) stream.accept(new ClueAt(HI(Long.numberOfTrailingZeros(h)), CLUE_LEFT_TOP));
for (var h = c.hi & c.xhi & ~c.rhi & ~c.vhi; h != X; h &= h - 1) stream.accept(new ClueAt(HI(Long.numberOfTrailingZeros(h)), CLUE_LEFT_TOP));
for (var h = c.hi & c.xhi & ~c.rhi & c.vhi; h != X; h &= h - 1) stream.accept(new ClueAt(HI(Long.numberOfTrailingZeros(h)), CLUE_RIGHT_TOP));
return stream.build();
}
@@ -223,7 +226,7 @@ public record Export() {
public static final char HORIZONTAL = 'h';
static final char VERTICAL = 'v';
static final char[] DIRECTION = { Placed.VERTICAL, Placed.HORIZONTAL, Placed.VERTICAL, Placed.HORIZONTAL, Placed.VERTICAL };
static final char[] DIRECTION = { Placed.VERTICAL, Placed.HORIZONTAL, Placed.VERTICAL, Placed.HORIZONTAL, Placed.VERTICAL, Placed.VERTICAL };
public int arrowCol() { return Masker.IT[Slot.clueIndex(slotKey)].c(); }
public int arrowRow() { return Masker.IT[Slot.clueIndex(slotKey)].r(); }