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e035fd7034
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: cc9aa21a SPIGOT-6399, SPIGOT-7344: Clarify collidable behavior for player entities f23325b6 Add API for per-world simulation distances 26e1774e Add API for per-world view distances 0b541e60 Add PlayerLoginEvent#getRealAddress 5f027d2d PR-949: Add Vector#fromJOML() overloads for read-only vector types CraftBukkit Changes: bcf56171a PR-1321: Clean up some stuff which got missed during previous PRs 7f833a2d1 SPIGOT-7462: Players no longer drop XP after dying near a Sculk Catalyst 752aac669 Implement APIs for per world view and simulation distances 57d7ef433 Preserve empty enchantment tags for glow effect 465ec3fb4 Remove connected check on setScoreboard f90ce621e Use one PermissibleBase for all command blocks 5876cca44 SPIGOT-7550: Fix creation of Arrow instances f03fc3aa3 SPIGOT-7549: ServerTickManager#setTickRate incorrect Precondition 9d7f49b01 SPIGOT-7548: Fix wrong spawn location for experience orb and dropped item Spigot Changes: ed9ba9a4 Drop no longer required patch ignoring -o option 86b5dd6a SPIGOT-7546: Fix hardcoded check for outdated client message aa7cde7a Remove obsolete APIs for per world view and simulation distances 6dff577e Remove obsolete patch preserving empty `ench` tags a3bf95b8 Remove obsolete PlayerLoginEvent#getRealAddress 1b02f5d6 Remove obsolete connected check on setScoreboard patch acf717eb Remove obsolete command block PermissibleBase patch 053fa2a9 Remove redundant patch dealing with null tile entities
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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