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Dont send useless entity packets

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This commit is contained in:
William Blake Galbreath 2019-07-06 20:31:10 -05:00
parent 6656b86270
commit f2a5d9adec
2 changed files with 72 additions and 0 deletions
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8
docs/source/configuration.rst
View File

@ -50,6 +50,14 @@ disable-drops-on-cramming-death
* **default**: true
* **description**: Stops entities from dropping loot on death, if killed by cramming gamerule
dont-send-useless-entity-packets
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* **default**: false
* **description**: Skips sending relative move packets for entities that didn't really move
.. warning::
The `dont-send-useless-entity-packets` option is highly experimental! Only enable this if you are feeling brave.
large-ender-chests
~~~~~~~~~~~~~~
* **default**: true

64
patches/server/0042-Dont-send-useless-entity-packets.patch Normal file
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@ -0,0 +1,64 @@
From fa1344452a898367f0a83109c7e17625139c7ce0 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 +++++++++++++++++
src/main/java/net/pl3x/purpur/PurpurConfig.java | 5 +++++
2 files changed, 22 insertions(+)
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
index 460c687d3..448602057 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<?> packet) {
+ if (packet instanceof PacketPlayOutEntity) {
+ PacketPlayOutEntity p = (PacketPlayOutEntity) packet;
+ if (packet instanceof PacketPlayOutEntity.PacketPlayOutRelEntityMove) {
+ return p.b == 0 && p.c == 0 && p.d == 0;
+ } else if (packet instanceof PacketPlayOutEntity.PacketPlayOutRelEntityMoveLook) {
+ return p.b == 0 && p.c == 0 && p.d == 0 && p.e == 0 && p.f == 0;
+ } else if (packet instanceof PacketPlayOutEntity.PacketPlayOutEntityLook) {
+ return p.e == 0 && p.f == 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/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