60 lines
3.2 KiB
Diff
60 lines
3.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: William Blake Galbreath <blake.galbreath@gmail.com>
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Date: Sat, 6 Jul 2019 17:00:04 -0500
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Subject: [PATCH] Dont send useless entity packets
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Original code by PurpurMC, licensed under MIT
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You can find the original code on https://github.com/PurpurMC/Purpur
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diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
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index 9901ffe9de585a73e9ef32c700b1e8702f8786d3..aa1bd3423829900729d413a5f98f4a0b9aaf6135 100644
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--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
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+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
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@@ -181,6 +181,7 @@ public class ServerEntity {
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this.teleportDelay = 0;
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packet1 = new ClientboundTeleportEntityPacket(this.entity);
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}
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+ if (wtf.etil.mirai.MiraiConfig.dontSendUselessEntityPackets && isUselessPacket(packet1)) packet1 = null; // Purpur
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}
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if ((this.trackDelta || this.entity.hasImpulse || this.entity instanceof LivingEntity && ((LivingEntity) this.entity).isFallFlying()) && this.tickCount > 0) {
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@@ -247,6 +248,22 @@ public class ServerEntity {
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}
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+ // Purpur start
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+ private boolean isUselessPacket(Packet<?> possibleUselessPacket) {
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+ if (possibleUselessPacket instanceof ClientboundMoveEntityPacket) {
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+ ClientboundMoveEntityPacket packet = (ClientboundMoveEntityPacket) possibleUselessPacket;
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+ if (possibleUselessPacket instanceof ClientboundMoveEntityPacket.Pos) {
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+ return packet.getXa() == 0 && packet.getYa() == 0 && packet.getZa() == 0;
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+ } else if (possibleUselessPacket instanceof ClientboundMoveEntityPacket.PosRot) {
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+ return packet.getXa() == 0 && packet.getYa() == 0 && packet.getZa() == 0 && packet.getyRot() == 0 && packet.getxRot() == 0;
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+ } else if (possibleUselessPacket instanceof ClientboundMoveEntityPacket.Rot) {
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+ return packet.getyRot() == 0 && packet.getxRot() == 0;
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+ }
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+ }
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+ return false;
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+ }
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+ // Purpur end
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+
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public void removePairing(ServerPlayer player) {
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this.entity.stopSeenByPlayer(player);
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player.connection.send(new ClientboundRemoveEntitiesPacket(new int[]{this.entity.getId()}));
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diff --git a/src/main/java/wtf/etil/mirai/MiraiConfig.java b/src/main/java/wtf/etil/mirai/MiraiConfig.java
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index 0f94e6a76ab2c323562231ffe58a7c18819e6b00..992ab312e6e2b8283ef8187bcbeeb35dd51858a1 100644
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--- a/src/main/java/wtf/etil/mirai/MiraiConfig.java
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+++ b/src/main/java/wtf/etil/mirai/MiraiConfig.java
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@@ -153,4 +153,10 @@ public class MiraiConfig {
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"Whether or not vanilla anticheat should check for passengers flying.");
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}
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+ public static boolean dontSendUselessEntityPackets;
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+ private static void uselessEntityPackets() {
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+ dontSendUselessEntityPackets = getBoolean("dont-send-useless-entity-packets", true,
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+ "Whether or not server should send entity packets with null movements.");
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+ }
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+
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}
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\ No newline at end of file
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