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SakuraMC/patches/server/0047-Reduce-entity-tracker-player-updates.patch
2024-01-21 23:16:08 +00:00

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3.7 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samsuik <40902469+Samsuik@users.noreply.github.com>
Date: Thu, 30 Nov 2023 15:54:49 +0000
Subject: [PATCH] Reduce entity tracker player updates
diff --git a/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java b/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
index 4b6e0fe2fabcc55007fd8979e81f66df9c0278b7..ab6219ca5c38a1ba469c629a5ae00a4c1361c9b0 100644
--- a/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
+++ b/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
@@ -47,4 +47,10 @@ public class VecDeltaCodec {
public void setBase(Vec3 pos) {
this.base = pos;
}
+
+ // Sakura start
+ public Vec3 getBase() {
+ return base;
+ }
+ // Sakura end
}
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index e6d9ff38f2674e00b7e246015d2b3bda5eb7a445..4827be7d5665d3b0a1b06f702f71993aff2789ec 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1257,6 +1257,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
try {
for (TrackedEntity tracker : this.entityMap.values()) {
// update tracker entry
+ if (!tracker.shouldLookForPlayers()) continue; // Sakura - delay entities looking for nearby players
tracker.updatePlayers(tracker.entity.getPlayersInTrackRange());
}
} finally {
@@ -1522,6 +1523,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.lastSectionPos = SectionPos.of((EntityAccess) entity);
}
+ // Sakura start - delay entities looking for nearby players
+ boolean shouldLookForPlayers() {
+ return entity instanceof net.minecraft.world.entity.player.Player // always update players
+ || entity.tickCount % serverEntity.updateInterval == 0
+ || serverEntity.travelledDistanceSquared() > range * range;
+ }
+ // Sakura end
+
// Paper start - use distance map to optimise tracker
com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> lastTrackerCandidates;
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
index 18c5473923f8ce53be59b2496f347b31934ecc92..7bd08de82a5389b283d5cd96c5aea75419ca3b3f 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -63,7 +63,7 @@ public class ServerEntity {
private static final int TOLERANCE_LEVEL_ROTATION = 1;
private final ServerLevel level;
private final Entity entity;
- private final int updateInterval;
+ final int updateInterval; // Sakura - private -> package
private final boolean trackDelta;
private final Consumer<Packet<?>> broadcast;
private final VecDeltaCodec positionCodec = new VecDeltaCodec();
@@ -81,6 +81,12 @@ public class ServerEntity {
// CraftBukkit start
final Set<ServerPlayerConnection> trackedPlayers; // Paper - private -> package
+ // Sakura start
+ double travelledDistanceSquared() {
+ return entity.position().distanceToSqr(positionCodec.getBase());
+ }
+ // Sakura end
+
public ServerEntity(ServerLevel worldserver, Entity entity, int i, boolean flag, Consumer<Packet<?>> consumer, Set<ServerPlayerConnection> trackedPlayers) {
this.trackedPlayers = trackedPlayers;
// CraftBukkit end