e4602b6d48
This patch appears to be no longer relevant, and is seemingly a leading cause of datapack performance being horrific
45 lines
2.6 KiB
Diff
45 lines
2.6 KiB
Diff
From 0951662a1b4fe1206ab3f5507d6aeb05d93ed73d Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Fri, 2 Nov 2018 23:11:51 -0400
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Subject: [PATCH] Optimize World Time Updates
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Splits time updates into incremental updates as well as does
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the updates per world, so that we can re-use the same packet
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object for every player unless they have per-player time enabled.
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index a3156d003..2a01e609c 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -1161,12 +1161,24 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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MinecraftTimings.timeUpdateTimer.startTiming(); // Spigot // Paper
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// Send time updates to everyone, it will get the right time from the world the player is in.
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- if (this.ticks % 20 == 0) {
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- for (int i = 0; i < this.getPlayerList().players.size(); ++i) {
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- EntityPlayer entityplayer = (EntityPlayer) this.getPlayerList().players.get(i);
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- entityplayer.playerConnection.sendPacket(new PacketPlayOutUpdateTime(entityplayer.world.getTime(), entityplayer.getPlayerTime(), entityplayer.world.getGameRules().getBoolean(GameRules.DO_DAYLIGHT_CYCLE))); // Add support for per player time
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+ // Paper start - optimize time updates
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+ for (final WorldServer world : this.getWorlds()) {
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+ final boolean doDaylight = world.getGameRules().getBoolean(GameRules.DO_DAYLIGHT_CYCLE);
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+ final long dayTime = world.getDayTime();
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+ long worldTime = world.getTime();
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+ final PacketPlayOutUpdateTime worldPacket = new PacketPlayOutUpdateTime(worldTime, dayTime, doDaylight);
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+ for (EntityHuman entityhuman : world.getPlayers()) {
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+ if (!(entityhuman instanceof EntityPlayer) || (ticks + entityhuman.getId()) % 20 != 0) {
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+ continue;
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+ }
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+ EntityPlayer entityplayer = (EntityPlayer) entityhuman;
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+ long playerTime = entityplayer.getPlayerTime();
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+ PacketPlayOutUpdateTime packet = (playerTime == dayTime) ? worldPacket :
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+ new PacketPlayOutUpdateTime(worldTime, playerTime, doDaylight);
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+ entityplayer.playerConnection.sendPacket(packet); // Add support for per player time
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}
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}
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+ // Paper end
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MinecraftTimings.timeUpdateTimer.stopTiming(); // Spigot // Paper
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while (iterator.hasNext()) {
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--
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2.25.1
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