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Code Issues Releases Activity

Implement Linear region

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NONPLAYT
2023-12-29 03:05:10 +03:00
parent 4071363766
commit 2058f2d662
5 changed files with 1520 additions and 23 deletions
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84
patches/unapplied/server/0022-Paper-PR-Optimize-Varints.patch
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@@ -1,84 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Mon, 12 Jun 2023 18:33:05 +0300
Subject: [PATCH] Paper PR - Optimize Varints
Original license: GPLv3
Original project: https://github.com/PaperMC/Velocity
Paper pull request: https://github.com/PaperMC/Paper/pull/8418
diff --git a/src/main/java/gq/bxteam/divinemc/configuration/DivineConfig.java b/src/main/java/gq/bxteam/divinemc/configuration/DivineConfig.java
index 512afaa97e89e3beb92cf2ebc46248eddd22cf5c..50878e4948df45bc2928edbe373be639d133060f 100644
--- a/src/main/java/gq/bxteam/divinemc/configuration/DivineConfig.java
+++ b/src/main/java/gq/bxteam/divinemc/configuration/DivineConfig.java
@@ -162,4 +162,9 @@ public class DivineConfig {
private static void allowAnyUsername() {
allowAnyUsername = getBoolean("settings.player.allow-any-username", allowAnyUsername);
}
+
+ public static boolean doOptimizeVarints = true;
+ private static void doOptimizeVarints() {
+ doOptimizeVarints = getBoolean("settings.optimization.optimize-varints", doOptimizeVarints);
+ }
}
\ No newline at end of file
diff --git a/src/main/java/net/minecraft/network/FriendlyByteBuf.java b/src/main/java/net/minecraft/network/FriendlyByteBuf.java
index 1f4b64a5f812376c499c98cb4be62469bd0b7dbe..2b1ae08ec33daedd0148f6731145a1d10a89277c 100644
--- a/src/main/java/net/minecraft/network/FriendlyByteBuf.java
+++ b/src/main/java/net/minecraft/network/FriendlyByteBuf.java
@@ -84,6 +84,8 @@ import org.joml.Vector3f;
import org.bukkit.craftbukkit.inventory.CraftItemStack; // CraftBukkit
+import gq.bxteam.divinemc.configuration.DivineConfig; // DivineMC
+
public class FriendlyByteBuf extends ByteBuf {
private static final int MAX_VARINT_SIZE = 5;
@@ -104,7 +106,22 @@ public class FriendlyByteBuf extends ByteBuf {
this.source = parent;
}
+ // DivineMC start - Optimize varints
+ private static final int[] VARINT_EXACT_BYTE_LENGTHS = new int[33];
+ static {
+ for (int i = 0; i <= 32; ++i) {
+ VARINT_EXACT_BYTE_LENGTHS[i] = (int) Math.ceil((31d - (i - 1)) / 7d);
+ }
+ VARINT_EXACT_BYTE_LENGTHS[32] = 1; // Special case for the number 0.
+ }
+ // DivineMC end
+
public static int getVarIntSize(int value) {
+ // DivineMC start - Optimize varints
+ if (DivineConfig.doOptimizeVarints) {
+ return VARINT_EXACT_BYTE_LENGTHS[Integer.numberOfLeadingZeros(value)];
+ }
+ // DivineMC end
for (int j = 1; j < 5; ++j) {
if ((value & -1 << j * 7) == 0) {
return j;
@@ -615,6 +632,23 @@ public class FriendlyByteBuf extends ByteBuf {
}
public FriendlyByteBuf writeVarInt(int value) {
+ // DivineMC start - Optimize varints
+ if (DivineConfig.doOptimizeVarints) {
+ if ((value & (0xFFFFFFFF << 7)) == 0) {
+ writeByte(value);
+ } else if ((value & (0xFFFFFFFF << 14)) == 0) {
+ int w = (value & 0x7F | 0x80) << 8 | (value >>> 7);
+ writeShort(w);
+ } else {
+ while ((value & -128) != 0) {
+ this.writeByte(value & 127 | 128);
+ value >>>= 7;
+ }
+ this.writeByte(value);
+ }
+ return this;
+ }
+ // DivineMC end
while ((value & -128) != 0) {
this.writeByte(value & 127 | 128);
value >>>= 7;