Paper/patches/server/0261-Optimize-World-Time-Updates.patch
2024-10-31 22:30:18 +01:00

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2.5 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 2 Nov 2018 23:11:51 -0400
Subject: [PATCH] Optimize World Time Updates
Splits time updates into incremental updates as well as does
the updates per world, so that we can re-use the same packet
object for every player unless they have per-player time enabled.
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index b54c1ecf3384fba741fa6334caee498b83887508..13aa191235ac6bb1d00d89ae29c750595cc6be78 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1603,10 +1603,22 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
// Send time updates to everyone, it will get the right time from the world the player is in.
- if (this.tickCount % 20 == 0) {
- for (int i = 0; i < this.getPlayerList().players.size(); ++i) {
- ServerPlayer entityplayer = (ServerPlayer) this.getPlayerList().players.get(i);
- entityplayer.connection.send(new ClientboundSetTimePacket(entityplayer.level().getGameTime(), entityplayer.getPlayerTime(), entityplayer.serverLevel().getGameRules().getBoolean(GameRules.RULE_DAYLIGHT))); // Add support for per player time
+ // Paper start - Perf: Optimize time updates
+ for (final ServerLevel level : this.getAllLevels()) {
+ final boolean doDaylight = level.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT);
+ final long dayTime = level.getDayTime();
+ long worldTime = level.getGameTime();
+ final ClientboundSetTimePacket worldPacket = new ClientboundSetTimePacket(worldTime, dayTime, doDaylight);
+ for (Player entityhuman : level.players()) {
+ if (!(entityhuman instanceof ServerPlayer) || (tickCount + entityhuman.getId()) % 20 != 0) {
+ continue;
+ }
+ ServerPlayer entityplayer = (ServerPlayer) entityhuman;
+ long playerTime = entityplayer.getPlayerTime();
+ ClientboundSetTimePacket packet = (playerTime == dayTime) ? worldPacket :
+ new ClientboundSetTimePacket(worldTime, playerTime, doDaylight);
+ entityplayer.connection.send(packet); // Add support for per player time
+ // Paper end - Perf: Optimize time updates
}
}