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Added untested worm bit size check and added missing octal shifts

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This commit is contained in:
Willem Cazander 2025-01-23 15:33:46 +01:00
parent 2179614b2a
commit 4dcba6b3d2
1 changed files with 23 additions and 16 deletions
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39
nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoLexer.java
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@ -304,14 +304,16 @@ public class FourCornerZionStenoLexer {
if (lexer.sandwormSign) {
lexer.smokeSignals.burnSandWormSignUnused(lexer.sandwormSignLine, lexer.sandwormSignColumn);
}
int bitSize = 0;
int bitIdxLast = 0;
int[] sandWalking = new int[576];
for (int i = idxFirst; i <= idxLast; i++) {
int bitIdx = lexer.input.get(i);
if (bitIdx < bitIdxLast) {
if (bitIdx != 0 && bitIdx < bitIdxLast) {
lexer.smokeSignals.burnSandWormSignOutOfOrder(lexer.currLine, lexer.currCol);
return;
}
bitSize++;
bitIdxLast = bitIdx;
int bitOff = bitIdx - FourCornerDotCake.FC_SAND_OLGOI.getStart();
sandWalking[bitOff] = 1;
@ -320,7 +322,12 @@ public class FourCornerZionStenoLexer {
PrimitiveIterator.OfInt i = Arrays.stream(sandWalking).iterator();
int octalIdx = 2;
int octalValue = 0;
int bitSizeCounter = 0;
while (i.hasNext()) {
if (bitSizeCounter > bitSize) {
break; // the sand walk bit pulses are always full size
}
bitSizeCounter++;
int bitValue = i.nextInt();
octalValue += bitValue << octalIdx;
if (octalIdx > 0) {
@ -366,21 +373,21 @@ public class FourCornerZionStenoLexer {
int octal2 = 0;
int octal1 = 0;
int octal0 = 0;
octal4 += (bitValue15 >> 14) & 0b1;
octal4 += (bitValue15 >> 13) & 0b1;
octal4 += (bitValue15 >> 12) & 0b1;
octal3 += (bitValue15 >> 11) & 0b1;
octal3 += (bitValue15 >> 10) & 0b1;
octal3 += (bitValue15 >> 9) & 0b1;
octal2 += (bitValue15 >> 8) & 0b1;
octal2 += (bitValue15 >> 7) & 0b1;
octal2 += (bitValue15 >> 6) & 0b1;
octal1 += (bitValue15 >> 5) & 0b1;
octal1 += (bitValue15 >> 4) & 0b1;
octal1 += (bitValue15 >> 3) & 0b1;
octal0 += (bitValue15 >> 2) & 0b1;
octal0 += (bitValue15 >> 1) & 0b1;
octal0 += (bitValue15 >> 0) & 0b1;
octal4 += ((bitValue15 >> 14) & 0b1) << 2;
octal4 += ((bitValue15 >> 13) & 0b1) << 1;
octal4 += ((bitValue15 >> 12) & 0b1) << 0;
octal3 += ((bitValue15 >> 11) & 0b1) << 2;
octal3 += ((bitValue15 >> 10) & 0b1) << 1;
octal3 += ((bitValue15 >> 9) & 0b1) << 0;
octal2 += ((bitValue15 >> 8) & 0b1) << 2;
octal2 += ((bitValue15 >> 7) & 0b1) << 1;
octal2 += ((bitValue15 >> 6) & 0b1) << 0;
octal1 += ((bitValue15 >> 5) & 0b1) << 2;
octal1 += ((bitValue15 >> 4) & 0b1) << 1;
octal1 += ((bitValue15 >> 3) & 0b1) << 0;
octal0 += ((bitValue15 >> 2) & 0b1) << 2;
octal0 += ((bitValue15 >> 1) & 0b1) << 1;
octal0 += ((bitValue15 >> 0) & 0b1) << 0;
wormBody.add(octal4);
wormBody.add(octal3);
wormBody.add(octal2);