From 04cf5eca5916a3016c63dcebe91861d41d132a5a Mon Sep 17 00:00:00 2001
From: Glavo <zjx001202@gmail.com>
Date: Sat, 3 Jan 2026 20:45:45 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BD=BF=E7=94=A8=20ByteArray=20=E7=AE=80?=
 =?UTF-8?q?=E5=8C=96=20MurmurHash2=20(#4486)?=
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---
 .../org/jackhuang/hmcl/util/MurmurHash2.java  | 36 ++-----------------
 1 file changed, 2 insertions(+), 34 deletions(-)

diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/MurmurHash2.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/MurmurHash2.java
index 59f233a31..5538217ec 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/MurmurHash2.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/MurmurHash2.java
@@ -82,7 +82,7 @@ public final class MurmurHash2 {
         // body
         for (int i = 0; i < nblocks; i++) {
             final int index = (i << 2);
-            int k = getLittleEndianInt(data, index);
+            int k = ByteArray.getIntLE(data, index);
             k *= M32;
             k ^= k >>> R32;
             k *= M32;
@@ -191,7 +191,7 @@ public final class MurmurHash2 {
         // body
         for (int i = 0; i < nblocks; i++) {
             final int index = (i << 3);
-            long k = getLittleEndianLong(data, index);
+            long k = ByteArray.getLongLE(data, index);
 
             k *= M64;
             k ^= k >>> R64;
@@ -294,36 +294,4 @@ public final class MurmurHash2 {
     public static long hash64(final String text, final int from, final int length) {
         return hash64(text.substring(from, from + length));
     }
-
-    /**
-     * Gets the little-endian int from 4 bytes starting at the specified index.
-     *
-     * @param data  The data
-     * @param index The index
-     * @return The little-endian int
-     */
-    private static int getLittleEndianInt(final byte[] data, final int index) {
-        return ((data[index] & 0xff)) |
-                ((data[index + 1] & 0xff) << 8) |
-                ((data[index + 2] & 0xff) << 16) |
-                ((data[index + 3] & 0xff) << 24);
-    }
-
-    /**
-     * Gets the little-endian long from 8 bytes starting at the specified index.
-     *
-     * @param data  The data
-     * @param index The index
-     * @return The little-endian long
-     */
-    private static long getLittleEndianLong(final byte[] data, final int index) {
-        return (((long) data[index] & 0xff)) |
-                (((long) data[index + 1] & 0xff) << 8) |
-                (((long) data[index + 2] & 0xff) << 16) |
-                (((long) data[index + 3] & 0xff) << 24) |
-                (((long) data[index + 4] & 0xff) << 32) |
-                (((long) data[index + 5] & 0xff) << 40) |
-                (((long) data[index + 6] & 0xff) << 48) |
-                (((long) data[index + 7] & 0xff) << 56);
-    }
 }