mirror of https://github.com/YatopiaMC/Yatopia.git
144 lines
4.4 KiB
Diff
144 lines
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: YatopiaMC <yatopiamc@gmail.com>
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Date: Fri, 23 Oct 2020 09:20:01 -0700
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Subject: [PATCH] Utilities
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This patch includes all utilities required by the Yatopia project and its patches.
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Co-authored-by: Mykyta Komarnytskyy <nkomarn@hotmail.com>
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Co-authored-by: Ivan Pekov <ivan@mrivanplays.com>
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diff --git a/pom.xml b/pom.xml
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index 48c53278ab9a02c614219e87fbe0a52f2c322e96..3a05118d764a6a934b4f834c3080e4ed20c227e9 100644
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--- a/pom.xml
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+++ b/pom.xml
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@@ -197,6 +197,12 @@
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<artifactId>commons-math3</artifactId>
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<version>3.6.1</version>
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</dependency>
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+ <!-- Fast Random -->
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+ <dependency>
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+ <groupId>org.apache.commons</groupId>
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+ <artifactId>commons-rng-core</artifactId>
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+ <version>1.3</version>
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+ </dependency>
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</dependencies>
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<repositories>
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diff --git a/src/main/java/org/yatopiamc/yatopia/server/util/Constants.java b/src/main/java/org/yatopiamc/yatopia/server/util/Constants.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..ac5235155eb1b5515165fc9648b7c9d7a0713b44
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--- /dev/null
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+++ b/src/main/java/org/yatopiamc/yatopia/server/util/Constants.java
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@@ -0,0 +1,7 @@
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+package org.yatopiamc.yatopia.server.util;
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+
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+public class Constants {
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+
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+ public static final int[] EMPTY_ARRAY = new int[0];
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+ public static final int[] ZERO_ARRAY = new int[]{0};
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+}
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diff --git a/src/main/java/org/yatopiamc/yatopia/server/util/FastRandom.java b/src/main/java/org/yatopiamc/yatopia/server/util/FastRandom.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..e41c1e3fa656d8f595733897ab05089c3b0976a7
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--- /dev/null
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+++ b/src/main/java/org/yatopiamc/yatopia/server/util/FastRandom.java
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@@ -0,0 +1,64 @@
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+package org.yatopiamc.yatopia.server.util;
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+
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+import org.apache.commons.rng.core.source64.XoRoShiRo128PlusPlus;
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+
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+import java.util.Random;
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+import java.util.SplittableRandom;
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+
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+public class FastRandom extends Random {
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+
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+ private XoRoShiRo128PlusPlus random;
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+
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+ public FastRandom() {
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+ super();
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+ SplittableRandom randomseed = new SplittableRandom();
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+ this.random = new XoRoShiRo128PlusPlus(randomseed.nextLong(), randomseed.nextLong());
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+ }
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+
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+ public FastRandom(long seed) {
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+ super(seed);
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+ SplittableRandom randomseed = new SplittableRandom(seed);
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+ this.random = new XoRoShiRo128PlusPlus(randomseed.nextLong(), randomseed.nextLong());
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+ }
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+
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+ @Override
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+ public boolean nextBoolean() {
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+ return random.nextBoolean();
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+ }
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+
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+ @Override
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+ public int nextInt() {
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+ return random.nextInt();
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+ }
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+
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+ @Override
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+ public float nextFloat() {
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+ return (float) random.nextDouble();
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+ }
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+
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+ @Override
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+ public double nextDouble() {
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+ return random.nextDouble();
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+ }
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+
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+ @Override
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+ public synchronized void setSeed(long seed) {
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+ SplittableRandom randomseed = new SplittableRandom(seed);
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+ this.random = new XoRoShiRo128PlusPlus(randomseed.nextLong(), randomseed.nextLong());
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+ }
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+
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+ @Override
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+ public void nextBytes(byte[] bytes) {
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+ random.nextBytes(bytes);
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+ }
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+
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+ @Override
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+ public int nextInt(int bound) {
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+ return random.nextInt(bound);
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+ }
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+
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+ @Override
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+ public long nextLong() {
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+ return random.nextLong();
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+ }
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+}
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diff --git a/src/main/java/org/yatopiamc/yatopia/server/util/TimeUtils.java b/src/main/java/org/yatopiamc/yatopia/server/util/TimeUtils.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..acdf3d60738791b767a3bafa2c9511342a8c18df
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--- /dev/null
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+++ b/src/main/java/org/yatopiamc/yatopia/server/util/TimeUtils.java
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@@ -0,0 +1,27 @@
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+package org.yatopiamc.yatopia.server.util;
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+
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+import java.util.concurrent.TimeUnit;
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+
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+public class TimeUtils {
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+
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+ public static String getFriendlyName(TimeUnit unit) {
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+ switch (unit) {
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+ case NANOSECONDS:
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+ return "ns";
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+ case MILLISECONDS:
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+ return "ms";
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+ case MICROSECONDS:
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+ return "micros";
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+ case SECONDS:
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+ return "s";
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+ case MINUTES:
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+ return "m";
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+ case DAYS:
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+ return "d";
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+ case HOURS:
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+ return "h";
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+ default:
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+ throw new AssertionError();
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+ }
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+ }
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+}
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