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introduce bitloops

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This commit is contained in:
mike
2026-01-17 21:43:17 +01:00
parent 938d2ac66b
commit 19812d81e5
5 changed files with 34 additions and 36 deletions
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24
src/main/java/puzzle/Export.java
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@@ -83,6 +83,9 @@ public record Export() {
record LetterAt(int index, byte letter) {
public char human() {
return (char) (letter | 64);
}
static LetterAt from(int index, byte[] bytes) { return new LetterAt(index, bytes[index]); }
}
@@ -235,18 +238,14 @@ public record Export() {
return simpel;
}
public ExportedPuzzle exportFormatFromFilled(int difficulty, Rewards rewards) {
var placed = new ArrayList<Placed>();
for (var slot : slots) {
placed.add(new Placed(slot.assign().w, slot.key(), Gridded.walk((byte) slot.key(), slot.lo(), slot.hi()).toArray()));
}
// If nothing placed: return full grid mapped to letters/# only
if (placed.isEmpty()) {
if (slots.length == 0) {
return new ExportedPuzzle(grid.exportGrid(clues.c, _ -> '#', '#'), new WordOut[0], difficulty, rewards);
}
// 2) bounding box around all word cells + arrow cells, with 1-cell margin
var placed = Arrays.stream(slots).map(slot -> new Placed(slot.assign().w, slot.key(), Gridded.walk((byte) slot.key(), slot.lo(), slot.hi()).toArray())).toArray(Placed[]::new);
// 2) bounding box around all word cells + arrow cells, with 1-cell margin
int minR = Integer.MAX_VALUE, minC = Integer.MAX_VALUE;
int maxR = Integer.MIN_VALUE, maxC = Integer.MIN_VALUE;
@@ -265,23 +264,18 @@ public record Export() {
}
// 3) map of only used letter cells (everything else becomes '#')
var letterAt = new HashMap<Integer, Character>();
grid.forEachLetter(clues.c(), (idx, letter) -> {
if (letter == 0) return;
letterAt.put(idx, (char) (64 | letter));
});
var map = grid.stream(clues.c()).collect(Collectors.toMap(LetterAt::index, LetterAt::human));
// 4) render gridv2 over cropped bounds (out-of-bounds become '#')
var gridv2 = new String[Math.max(0, maxR - minR + 1)];
for (int r = minR, i = 0; r <= maxR; r++, i++) {
var row = new StringBuilder(Math.max(0, maxC - minC + 1));
for (var c = minC; c <= maxC; c++) row.append(letterAt.getOrDefault(Grid.offset(r, c), '#'));
for (var c = minC; c <= maxC; c++) row.append(map.getOrDefault(Grid.offset(r, c), '#'));
gridv2[i] = row.toString();
}
// 5) words output with cropped coordinates
int MIN_R = minR, MIN_C = minC;
var wordsOut = placed.stream().map(p -> new WordOut(
var wordsOut = Arrays.stream(placed).map(p -> new WordOut(
p.lemma,
p.startRow() - MIN_R,
p.startCol() - MIN_C,