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Fix for server providers without random entropy

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fullwall 2013-02-23 17:30:56 +08:00
parent 6e0fe92c51
commit 8dd2a9b8d4
1 changed files with 6 additions and 6 deletions
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12
src/main/java/net/citizensnpcs/util/Util.java
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@ -28,8 +28,6 @@ public class Util {
private static final Location FROM_LOCATION = new Location(null, 0, 0, 0); private static final Location FROM_LOCATION = new Location(null, 0, 0, 0);
private static Constructor<? extends Random> RNG_CONSTRUCTOR = null; private static Constructor<? extends Random> RNG_CONSTRUCTOR = null;
private static Constructor<?> SEED_GENERATOR_CONSTRUCTOR = null;
public static void assumePose(LivingEntity entity, float yaw, float pitch) { public static void assumePose(LivingEntity entity, float yaw, float pitch) {
NMS.look(entity, yaw, pitch); NMS.look(entity, yaw, pitch);
} }
@ -69,8 +67,11 @@ public class Util {
public static Random getFastRandom() { public static Random getFastRandom() {
try { try {
return RNG_CONSTRUCTOR.newInstance(SEED_GENERATOR_CONSTRUCTOR.newInstance()); byte[] seed = new byte[20];
new Random().nextBytes(seed);
return RNG_CONSTRUCTOR.newInstance(seed);
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace();
return new Random(); return new Random();
} }
} }
@ -130,12 +131,11 @@ public class Util {
static { static {
try { try {
RNG_CONSTRUCTOR = (Constructor<? extends Random>) Class.forName("org.uncommons.maths.random.XORShiftRNG") RNG_CONSTRUCTOR = (Constructor<? extends Random>) Class.forName("org.uncommons.maths.random.XORShiftRNG")
.getConstructor(Class.forName("org.uncommons.maths.random.SeedGenerator")); .getConstructor(byte[].class);
SEED_GENERATOR_CONSTRUCTOR = Class.forName("org.uncommons.maths.random.SecureRandomSeedGenerator")
.getConstructor();
} catch (ClassNotFoundException e) { } catch (ClassNotFoundException e) {
} catch (SecurityException e) { } catch (SecurityException e) {
} catch (NoSuchMethodException e) { } catch (NoSuchMethodException e) {
e.printStackTrace();
} }
} }
} }