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46 lines
2.4 KiB
Diff
46 lines
2.4 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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TODO: Add more reducers
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Original license: MIT
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Original project: https://github.com/PurpurMC/Purpur
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diff --git a/net/minecraft/server/level/ServerEntity.java b/net/minecraft/server/level/ServerEntity.java
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index 28c90d0a70048f6992a96aeb25ebafef579e8003..209a2b6a30d334fc4f6d0b1c02682db7f0b5e435 100644
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--- a/net/minecraft/server/level/ServerEntity.java
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+++ b/net/minecraft/server/level/ServerEntity.java
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@@ -216,6 +216,8 @@ public class ServerEntity {
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}
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// Gale end - Airplane - better checking for useless move packets
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+ if (org.dreeam.leaf.config.modules.opt.ReduceUselessPackets.reduceUselessEntityMovePackets && isUselessMoveEntityPacket(packet)) packet = null; // Purpur
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+
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if (this.entity.hasImpulse || this.trackDelta || this.entity instanceof LivingEntity && ((LivingEntity)this.entity).isFallFlying()) {
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Vec3 deltaMovement = this.entity.getDeltaMovement();
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if (deltaMovement != this.lastSentMovement) { // SparklyPaper start - skip distanceToSqr call in ServerEntity#sendChanges if the delta movement hasn't changed
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@@ -299,6 +301,21 @@ public class ServerEntity {
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);
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}
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+ // Purpur start
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+ private boolean isUselessMoveEntityPacket(@Nullable Packet<?> packet) {
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+ if (!(packet instanceof ClientboundMoveEntityPacket moveEntityPacket)) return false;
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+ return switch (packet) {
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+ case ClientboundMoveEntityPacket.Pos ignored ->
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+ moveEntityPacket.getXa() == 0 && moveEntityPacket.getYa() == 0 && moveEntityPacket.getZa() == 0;
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+ case ClientboundMoveEntityPacket.PosRot ignored ->
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+ moveEntityPacket.getXa() == 0 && moveEntityPacket.getYa() == 0 && moveEntityPacket.getZa() == 0 && moveEntityPacket.getYRot() == 0 && moveEntityPacket.getXRot() == 0;
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+ case ClientboundMoveEntityPacket.Rot ignored ->
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+ moveEntityPacket.getYRot() == 0 && moveEntityPacket.getXRot() == 0;
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+ default -> false;
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+ };
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+ }
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+ // Purpur end
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+
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private void handleMinecartPosRot(NewMinecartBehavior behavior, byte yRot, byte xRot, boolean dirty) {
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this.sendDirtyEntityData();
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if (behavior.lerpSteps.isEmpty()) {
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