6b63a88df0
* master: Duplicate UUID Resolve Option Add more information to Entity.toString change LAST_EDIT to PAPER_LAST_EDIT for edit commands Add more information to Entity.toString() Add Debug Entities option to debug dupe uuid issues Guard the Entity.SHARED_RANDOM from seed changes Create a symlink on not-windows to current minecraft decompile dir
45 Zeilen
1.7 KiB
Diff
45 Zeilen
1.7 KiB
Diff
From 39039bfaab07bf1d1c0eec274aac6a6187a8781b Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Tue, 22 Mar 2016 00:33:47 -0400
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Subject: [PATCH] Use a Shared Random for Entities
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Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index e16579116..c0367df20 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -50,6 +50,20 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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// CraftBukkit start
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private static final int CURRENT_LEVEL = 2;
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+ // Paper start
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+ public static Random SHARED_RANDOM = new Random() {
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+ private boolean locked = false;
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+ @Override
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+ public synchronized void setSeed(long seed) {
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+ if (locked) {
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+ LogManager.getLogger().error("Ignoring setSeed on Entity.SHARED_RANDOM", new Throwable());
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+ } else {
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+ super.setSeed(seed);
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+ locked = true;
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+ }
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+ }
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+ };
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+ // Paper end
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static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
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return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
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}
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@@ -182,7 +183,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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this.length = 1.8F;
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this.aA = 1.0F;
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this.aB = 1.0F;
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- this.random = new Random();
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+ this.random = SHARED_RANDOM; // Paper
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this.fireTicks = -this.getMaxFireTicks();
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this.justCreated = true;
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this.uniqueID = MathHelper.a(this.random);
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--
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2.18.0
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