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fe53b0e76f
Upstream has released updates that appear 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: 1d522878 PR-966: Introduce getRespawnLocation as a replacement for getBedSpawnLocation cc01b745 PR-965: Add DragonBattle#setPreviouslyKilled 28e3702f SPIGOT-6921, PR-957: Add methods to remove all enchantments on an ItemStack 8872404e PR-961: Add BlockData#copyTo 4054cc7b PR-956: Add method to get an offline player's location CraftBukkit Changes: 292ec79e0 SPIGOT-7568: Call EntityChangeBlockEvent for DecoratedPot b44bf5aa8 SPIGOT-7575: SuspiciousStewMeta creates invalid PotionEffect data 161784713 PR-1340: Centralize the conversion from and to Minecraft / Bukkit registry items even more and add a test case for them b93c5a30d PR-1338: Introduce getRespawnLocation as a replacement for getBedSpawnLocation fb973486c SPIGOT-7570: PrepareItemCraftEvent#isRepair() always returns false c9c24535e PR-1337: Add DragonBattle#setPreviouslyKilled c8b4da803 SPIGOT-6921, PR-1330: Add methods to remove all enchantments on an ItemStack 95bc1c4f5 PR-1333: Add BlockData#copyTo 36e2f9ce1 PR-1329: Add method to get an offline player's location Spigot Changes: c198da22 SPIGOT-7563: Update to latest release of bungeecord-chat
53 lines
2.1 KiB
Diff
53 lines
2.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: astei <andrew@steinborn.me>
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Date: Sat, 28 Oct 2023 19:46:21 -0400
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Subject: [PATCH] Optimize VarInts
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https://github.com/PaperMC/Paper/pull/6957#issuecomment-985250854
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diff --git a/src/main/java/net/minecraft/network/VarInt.java b/src/main/java/net/minecraft/network/VarInt.java
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index 18d5a22ad3ef4cb279475531dbc2c65e07c69929..3f362eb42587b333e27b9cf25588a9cfcb8a56e7 100644
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--- a/src/main/java/net/minecraft/network/VarInt.java
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+++ b/src/main/java/net/minecraft/network/VarInt.java
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@@ -9,6 +9,18 @@ public class VarInt {
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private static final int DATA_BITS_PER_BYTE = 7;
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public static int getByteSize(int i) {
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+ // Paper start - Optimize VarInts
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+ return VARINT_EXACT_BYTE_LENGTHS[Integer.numberOfLeadingZeros(i)];
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+ }
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+ private static final int[] VARINT_EXACT_BYTE_LENGTHS = new int[33];
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+ static {
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+ for (int i = 0; i <= 32; ++i) {
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+ VARINT_EXACT_BYTE_LENGTHS[i] = (int) Math.ceil((31d - (i - 1)) / 7d);
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+ }
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+ VARINT_EXACT_BYTE_LENGTHS[32] = 1; // Special case for the number 0.
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+ }
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+ public static int getByteSizeOld(int i) {
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+ //Paper end - Optimize VarInts
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for(int j = 1; j < 5; ++j) {
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if ((i & -1 << j * 7) == 0) {
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return j;
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@@ -39,6 +51,21 @@ public class VarInt {
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}
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public static ByteBuf write(ByteBuf buf, int i) {
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+ // Paper start - Optimize VarInts
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+ // Peel the one and two byte count cases explicitly as they are the most common VarInt sizes
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+ // that the proxy will write, to improve inlining.
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+ if ((i & (0xFFFFFFFF << 7)) == 0) {
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+ buf.writeByte(i);
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+ } else if ((i & (0xFFFFFFFF << 14)) == 0) {
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+ int w = (i & 0x7F | 0x80) << 8 | (i >>> 7);
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+ buf.writeShort(w);
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+ } else {
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+ writeOld(buf, i);
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+ }
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+ return buf;
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+ }
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+ public static ByteBuf writeOld(ByteBuf buf, int i) {
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+ // Paper end - Optimize VarInts
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while((i & -128) != 0) {
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buf.writeByte(i & 127 | 128);
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i >>>= 7;
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