Files
Purpur/patches/server/0042-Dont-send-useless-entity-packets.patch
William Blake Galbreath 5f90333e9c Add obf helpers
2019-07-06 22:24:48 -05:00

87 lines
4.2 KiB
Diff

From d215f19056052a7b6c97d08f4aeb7a0d4c96be5c Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sat, 6 Jul 2019 17:00:04 -0500
Subject: [PATCH] Dont send useless entity packets
---
.../minecraft/server/EntityTrackerEntry.java | 17 +++++++++++++++++
.../minecraft/server/PacketPlayOutEntity.java | 10 +++++-----
src/main/java/net/pl3x/purpur/PurpurConfig.java | 5 +++++
3 files changed, 27 insertions(+), 5 deletions(-)
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
index 460c687d3..61af5a99f 100644
--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
@@ -162,6 +162,7 @@ public class EntityTrackerEntry {
this.o = 0;
packet1 = new PacketPlayOutEntityTeleport(this.tracker);
}
+ if (net.pl3x.purpur.PurpurConfig.dontSendUselessEntityPackets && isUselessPacket(packet1)) packet1 = null; // Purpur
}
if ((this.e || this.tracker.impulse || this.tracker instanceof EntityLiving && ((EntityLiving) this.tracker).isGliding()) && this.n > 0) {
@@ -248,6 +249,22 @@ public class EntityTrackerEntry {
}
+ // Purpur start
+ private boolean isUselessPacket(Packet<?> possibleUselessPacket) {
+ if (possibleUselessPacket instanceof PacketPlayOutEntity) {
+ PacketPlayOutEntity packet = (PacketPlayOutEntity) possibleUselessPacket;
+ if (possibleUselessPacket instanceof PacketPlayOutEntity.PacketPlayOutRelEntityMove) {
+ return packet.getX() == 0 && packet.getY() == 0 && packet.getZ() == 0;
+ } else if (possibleUselessPacket instanceof PacketPlayOutEntity.PacketPlayOutRelEntityMoveLook) {
+ return packet.getX() == 0 && packet.getY() == 0 && packet.getZ() == 0 && packet.getYaw() == 0 && packet.getPitch() == 0;
+ } else if (possibleUselessPacket instanceof PacketPlayOutEntity.PacketPlayOutEntityLook) {
+ return packet.getYaw() == 0 && packet.getPitch() == 0;
+ }
+ }
+ return false;
+ }
+ // Purpur end
+
public void a(EntityPlayer entityplayer) {
this.tracker.c(entityplayer);
entityplayer.c(this.tracker);
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutEntity.java b/src/main/java/net/minecraft/server/PacketPlayOutEntity.java
index 1a9802e75..4c5a52c80 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutEntity.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutEntity.java
@@ -5,11 +5,11 @@ import java.io.IOException;
public class PacketPlayOutEntity implements Packet<PacketListenerPlayOut> {
protected int a;
- protected short b;
- protected short c;
- protected short d;
- protected byte e;
- protected byte f;
+ protected short b; public short getX() { return b; } // Purpur - OBFHELPER
+ protected short c; public short getY() { return c; } // Purpur - OBFHELPER
+ protected short d; public short getZ() { return d; } // Purpur - OBFHELPER
+ protected byte e; public byte getYaw() { return e; } // Purpur - OBFHELPER
+ protected byte f; public byte getPitch() { return f; } // Purpur - OBFHELPER
protected boolean g;
protected boolean h;
diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
index b4f8cca53..c0ae6accd 100644
--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -141,6 +141,11 @@ public class PurpurConfig {
disableDropsOnCrammingDeath = getBoolean("settings.disable-drops-on-cramming-death", disableDropsOnCrammingDeath);
}
+ public static boolean dontSendUselessEntityPackets = false;
+ private static void dontSendUselessEntityPackets() {
+ dontSendUselessEntityPackets = getBoolean("settings.dont-send-useless-entity-packets", dontSendUselessEntityPackets);
+ }
+
public static boolean requireShiftToMount = true;
private static void requireShiftToMount() {
requireShiftToMount = getBoolean("settings.mobs.require-shift-to-mount", requireShiftToMount);
--
2.20.1