Kinda start work on uid saveload

2026-03-05 10:55:59 -06:00
parent 66b9e61925
commit 90318307e2
6 changed files with 54 additions and 29 deletions
--- a/Minecraft.Client/Windows64/Windows64_NameXuid.h
+++ b/Minecraft.Client/Windows64/Windows64_NameXuid.h
@@ -40,6 +40,25 @@ namespace Win64NameXuid

 		return (PlayerUID)hash;
 	}
+
+	/**
+	 * Creates a completely random PlayerUID while also keeping itself away from the legacy values
+	 * 
+	 * @return Random PlayerUID within valid ranges
+	 */
+    inline PlayerUID GenerateRandomPlayerUID()
+    {
+        unsigned __int64 hash = ((unsigned __int64)rand() << 32) | (unsigned __int64)rand();
+
+        // Namespace the hash away from legacy smallId-based values.
+        hash ^= 0x9E3779B97F4A7C15ULL;
+        hash |= 0x8000000000000000ULL;
+        if (hash == (unsigned __int64)INVALID_XUID)
+        {
+            hash ^= 0x0100000000000001ULL;
+        }
+        return (PlayerUID)hash;
+    }
 }

 #endif