# 添加以下规则

# 移除调试日志
-assumenosideeffects class android.util.Log {
    public static *** d(...);
    public static *** v(...);
    public static *** i(...);
    public static *** w(...);
    public static *** e(...);
}

# 优化数字操作
-optimizations !code/simplification/arithmetic

# 移除未使用的代码
-allowaccessmodification
-repackageclasses ''

# 保持Unity相关类
-keep class com.unity3d.player.** { *; }
-keep class com.unity3d.** { *; }
-dontwarn com.unity3d.**

# 优化native方法
-keepclasseswithmembernames class * {
    native <methods>;
}