Files
MiraiMC/patches/server/0041-Dont-send-useless-entity-packets.patch
2022-06-13 16:14:55 +02:00

61 lines
3.1 KiB
Diff

From 0000000000000000000000000000000000000000 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
Original code by PurpurMC, licensed under MIT
You can find the original code on https://github.com/PurpurMC/Purpur
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
index 44560edcf339c1749b9df78e6e57075499d5813d..2d7e884d25f352e0a05e9aefb0ff6e296e73c361 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -190,6 +190,7 @@ public class ServerEntity {
this.teleportDelay = 0;
packet1 = new ClientboundTeleportEntityPacket(this.entity);
}
+ if (wtf.etil.mirai.MiraiConfig.dontSendUselessEntityPackets && isUselessPacket(packet1)) packet1 = null; // Purpur
}
if ((this.trackDelta || this.entity.hasImpulse || this.entity instanceof LivingEntity && ((LivingEntity) this.entity).isFallFlying()) && this.tickCount > 0) {
@@ -258,6 +259,22 @@ public class ServerEntity {
}
+ // Purpur start
+ private boolean isUselessPacket(Packet<?> possibleUselessPacket) {
+ if (possibleUselessPacket instanceof ClientboundMoveEntityPacket) {
+ ClientboundMoveEntityPacket packet = (ClientboundMoveEntityPacket) possibleUselessPacket;
+ if (possibleUselessPacket instanceof ClientboundMoveEntityPacket.Pos) {
+ return packet.getXa() == 0 && packet.getYa() == 0 && packet.getZa() == 0;
+ } else if (possibleUselessPacket instanceof ClientboundMoveEntityPacket.PosRot) {
+ return packet.getXa() == 0 && packet.getYa() == 0 && packet.getZa() == 0 && packet.getyRot() == 0 && packet.getxRot() == 0;
+ } else if (possibleUselessPacket instanceof ClientboundMoveEntityPacket.Rot) {
+ return packet.getyRot() == 0 && packet.getxRot() == 0;
+ }
+ }
+ return false;
+ }
+ // Purpur end
+
public void removePairing(ServerPlayer player) {
this.entity.stopSeenByPlayer(player);
player.connection.send(new ClientboundRemoveEntitiesPacket(new int[]{this.entity.getId()}));
diff --git a/src/main/java/wtf/etil/mirai/MiraiConfig.java b/src/main/java/wtf/etil/mirai/MiraiConfig.java
index a24a35f3ef2812d2951fb13439f856ee9495226b..8be485f3f68f42e09058fc543485137e03056266 100644
--- a/src/main/java/wtf/etil/mirai/MiraiConfig.java
+++ b/src/main/java/wtf/etil/mirai/MiraiConfig.java
@@ -201,6 +201,11 @@ public class MiraiConfig {
checkVehicleFlying = getBoolean("checks.vehicle-flight", checkVehicleFlying);
}
+ public static boolean dontSendUselessEntityPackets = true;
+ private static void dontSendUselessEntityPackets() {
+ dontSendUselessEntityPackets = getBoolean("dont-send-useless-entity-packets", dontSendUselessEntityPackets);
+ }
+
}
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