b62dfa0bf9
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers CraftBukkit Changes: 1cf8b5dc SPIGOT-4400: Populators running on existing chunks 116cb9a1 SPIGOT-4399: Add attribute modifier equality test 5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
44 lines
1.8 KiB
Diff
44 lines
1.8 KiB
Diff
From 904838a83dcfe4d279996358ec02ff87a14ed35a 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 43ceb2fb18..e31c97fb72 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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@@ -51,6 +51,20 @@ 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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@@ -184,7 +198,7 @@ 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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2.19.0
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