package dell55AAData;
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import dell_system.MessageViewPanel;
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public class Dell55AA12HighPerf {
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// ÐÒé³£Á¿
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@SuppressWarnings("unused")
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private static final String HEADER = "55AA12"; // ÐÒéÍ·
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private static final int MIN_LENGTH = 34; // ×îСÊý¾Ý³¤¶È
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private static final ThreadLocal<ParseResult> RESULT_CACHE = // ½âÎö½á¹û»º´æ
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ThreadLocal.withInitial(ParseResult::new);
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// ÖØÓÃStringBuilder¼õÉÙÄÚ´æ·ÖÅä
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private static final ThreadLocal<StringBuilder> hexDataBuilder =
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ThreadLocal.withInitial(() -> new StringBuilder(64));
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// ½âÎö½á¹ûÀà
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public static class ParseResult {
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public String tagId; // ±êÇ©ID
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public int sequenceNum; // ÐòÁкÅ
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public int power; // µçÁ¿
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public int vibrationState; // Õñ¶¯×´Ì¬
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public boolean tagRemoved; // ±êÇ©ÒƳý״̬
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public boolean isSleeping; // ÐÝÃß״̬
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public boolean isStatic; // ¾²Ö¹×´Ì¬
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public boolean sosButtonPressed; // SOS°´Å¥×´Ì¬
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public int tagHeight; // ±êÇ©¸ß¶È
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public int anchorCount; // êµãÊýÁ¿
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public String[] anchorIds = new String[0]; // êµãIDÊý×é
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public int[] distances = new int[0]; // ¾àÀëÊý×é
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public int[] anchorPowers = new int[0]; // êµãµçÁ¿Êý×é
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public int[] signalStrengths1 = new int[0]; // ÐźÅÇ¿¶È1
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public int[] signalStrengths2 = new int[0]; // ÐźÅÇ¿¶È2
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// ÖØÖ÷½·¨
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public void reset() {
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tagId = "";
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sequenceNum = 0;
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power = 0;
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vibrationState = 0;
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tagRemoved = false;
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isSleeping = false;
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isStatic = false;
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sosButtonPressed = false;
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tagHeight = 0;
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anchorCount = 0;
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// Êý×é±£³Ö³¤¶È£¬Ö»ÖØÖüÆÊý
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}
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}
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/**
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* ½âÎöÐÒéÊý¾Ý
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* @param message Ôʼ16½øÖÆ×Ö·û´®
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* @return ½âÎö½á¹û¶ÔÏó£¨Ḭ̈߳²È«£©
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*/
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public static ParseResult parse(String message,String ip,int port) {
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// ³¤¶ÈУÑé
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if (message == null || message.length() < MIN_LENGTH) {
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return null;
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}
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// ÐÒéͷУÑé
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if (!(message.charAt(0) == '5' &&
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message.charAt(1) == '5' &&
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message.charAt(2) == 'A' &&
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message.charAt(3) == 'A' &&
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message.charAt(4) == '1' &&
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message.charAt(5) == '2')) {
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return null;
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}
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// »ñÈ¡Ï̱߳¾µØ½á¹û¶ÔÏó
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ParseResult result = RESULT_CACHE.get();
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result.reset();
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// »ñÈ¡×Ö·û»º³åÇø
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char[] chars = HexUtils.getThreadLocalBuffer();
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message.getChars(0, Math.min(message.length(), chars.length), chars, 0);
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// ½âÎöÊý¾Ý³¤¶È
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int dataLength = (HexUtils.fastHexToByte(chars[6], chars[7]) * 2) + 8;
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if (message.length() != dataLength) {
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return null;
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}
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// ½âÎö±êÇ©ÐÅÏ¢
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parseTagInfo(chars, result);
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// ½âÎöêµãÐÅÏ¢
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parseAnchorInfo(chars, result);
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if (MessageViewPanel.isWindowVisible) {
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// ×é×°»ùÕ¾ÐÅÏ¢
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StringBuilder ids = new StringBuilder();
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StringBuilder dists = new StringBuilder();
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StringBuilder powers = new StringBuilder();
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for (int i = 0; i < result.anchorCount; i++) {
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if (i > 0) {
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ids.append(',');
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dists.append(',');
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powers.append(',');
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}
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ids.append(result.anchorIds[i]);
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dists.append(result.distances[i]);
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powers.append(result.anchorPowers[i]);
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}
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StringBuilder sb = hexDataBuilder.get();
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sb.append("55AA12 ,Seq:").append(result.sequenceNum)
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.append(",Tagid:").append(result.tagId)
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.append(",Power: ").append(result.power).append("%")
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.append(",button:").append(result.sosButtonPressed)
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.append(",Static:").append(result.isStatic )
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.append(",Sleep:").append(result.isSleeping )
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.append(",State:").append(result.vibrationState )
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.append(",TagRemoved:").append(result.tagRemoved)
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.append(",TagHeight:").append(result.tagHeight)
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.append(",AncNum:").append(result.anchorCount)
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.append(",AncIds:[").append(ids)
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.append("],Dis:[").append(dists)
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.append("],AncPowers:[").append(powers).append("]").append('\n');
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MessageViewPanel.showData(sb.toString(), ip, port, 0, "UDPA", "55AA12",result.tagId);
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}
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return result;
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}
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/**
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* ½âÎö±êÇ©ÐÅÏ¢
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*/
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private static void parseTagInfo(char[] chars, ParseResult result) {
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// ±êÇ©ID£¨Ð¡¶ËÐò£©
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result.tagId = new String(new char[] {
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chars[10], chars[11], // ¸ß×Ö½Ú
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chars[8], chars[9] // µÍ×Ö½Ú
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});
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// ÐòÁкţ¨Ð¡¶ËÐò£©
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result.sequenceNum = (HexUtils.fastHexToByte(chars[14], chars[15]) << 8 |
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HexUtils.fastHexToByte(chars[12], chars[13]));
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// µçÁ¿
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result.power = HexUtils.fastHexToByte(chars[16], chars[17]);
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// ״̬±êÖ¾
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int buttonState = HexUtils.fastHexToByte(chars[18], chars[19]);
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result.vibrationState = (buttonState >> 5) & 1;
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result.tagRemoved = ((buttonState >> 3) & 1) == 1;
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result.isSleeping = ((buttonState >> 2) & 1) == 1;
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result.isStatic = ((buttonState >> 1) & 1) == 1;
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result.sosButtonPressed = (buttonState & 1) == 1;
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// ±êÇ©¸ß¶È£¨Ð¡¶ËÐò£©
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result.tagHeight = (HexUtils.fastHexToByte(chars[22], chars[23]) << 8 |
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HexUtils.fastHexToByte(chars[20], chars[21]));
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}
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/**
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* ½âÎöêµãÐÅÏ¢
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*/
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private static void parseAnchorInfo(char[] chars, ParseResult result) {
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// êµãÊýÁ¿
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result.anchorCount = HexUtils.fastHexToByte(chars[32], chars[33]);
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if (result.anchorCount == 0) return;
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// ¶¯Ì¬À©Õ¹Êý×é
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if (result.anchorIds.length < result.anchorCount) {
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result.anchorIds = new String[result.anchorCount];
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result.distances = new int[result.anchorCount];
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result.anchorPowers = new int[result.anchorCount];
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result.signalStrengths1 = new int[result.anchorCount];
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result.signalStrengths2 = new int[result.anchorCount];
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}
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int baseIndex = 34; // êµãIDÆðʼλÖÃ
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int distanceStart = baseIndex + result.anchorCount * 4; // ¾àÀëÆðʼλÖÃ
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int powerStart = distanceStart + result.anchorCount * 4; // µçÁ¿ÆðʼλÖÃ
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// ½âÎöêµãID£¨Ð¡¶ËÐò£©
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for (int i = 0; i < result.anchorCount; i++) {
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int idOffset = baseIndex + i * 4;
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result.anchorIds[i] = new String(new char[]{
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chars[idOffset + 2], // ¸ß×Ö½Ú1
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chars[idOffset + 3], // ¸ß×Ö½Ú2
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chars[idOffset], // µÍ×Ö½Ú1
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chars[idOffset + 1] // µÍ×Ö½Ú2
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});
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}
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// ½âÎö¾àÀ루ÓзûºÅÕûÊý´¦Àí£©
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for (int i = 0; i < result.anchorCount; i++) {
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int distOffset = distanceStart + i * 4;
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int distLow = HexUtils.fastHexToByte(chars[distOffset], chars[distOffset + 1]);
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int distHigh = HexUtils.fastHexToByte(chars[distOffset + 2], chars[distOffset + 3]);
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int rawDistance = (distHigh << 8) | distLow;
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result.distances[i] = (rawDistance > 0x7FFF)
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? (rawDistance - 0x10000)
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: rawDistance;
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}
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// ½âÎöêµãµçÁ¿
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for (int i = 0; i < result.anchorCount; i++) {
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int powerOffset = powerStart + i * 2;
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result.anchorPowers[i] = HexUtils.fastHexToByte(chars[powerOffset], chars[powerOffset + 1]);
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}
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}
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}
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