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1. Wet the drys 2. Dry the wets 3. Wet the drys 4. Dry the wets 5. Wet the drys 6. Now dust the wets
33 lines
1.9 KiB
Diff
33 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: MrPowerGamerBR <git@mrpowergamerbr.com>
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Date: Wed, 15 Nov 2023 23:39:36 -0300
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Subject: [PATCH] SparklyPaper: Skip "distanceToSqr" call in
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"ServerEntity#sendChanges" if the delta movement hasn't changed
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Original project: https://github.com/SparklyPower/SparklyPaper
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The "distanceToSqr" call is a bit expensive, so avoiding it is pretty nice, around ~15% calls are skipped with this check
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We could also check if the x,y,z coordinates are equal, but for now, let's just keep the identity check, which also helps us since Minecraft's code does reuse the original delta movement Vec3 object
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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 d985555a029d06ffc73dd10115df47b83c9afafd..ddf2a5e2cfeaa666a081dd857d6a6003d65d0e00 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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@@ -201,6 +201,7 @@ public class ServerEntity {
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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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double d = deltaMovement.distanceToSqr(this.lastSentMovement);
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if (d > 1.0E-7 || d > 0.0 && deltaMovement.lengthSqr() == 0.0) {
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this.lastSentMovement = deltaMovement;
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@@ -218,6 +219,7 @@ public class ServerEntity {
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this.broadcast.accept(new ClientboundSetEntityMotionPacket(this.entity.getId(), this.lastSentMovement));
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}
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}
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+ } // SparklyPaper end
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}
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if (packet != null) {
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