Paper/Spigot-Server-Patches/0324-Optimize-World-Time-Updates.patch
Shane Freeder e4602b6d48
Drop Ignore-Missing-Recipes-in-RecipeBook-to-avoid-data-e.patch
This patch appears to be no longer relevant, and is seemingly a leading
cause of datapack performance being horrific
2020-03-15 20:03:36 +00:00

46 lines
2.6 KiB
Diff

From 0951662a1b4fe1206ab3f5507d6aeb05d93ed73d 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 a3156d003..2a01e609c 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1161,12 +1161,24 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
MinecraftTimings.timeUpdateTimer.startTiming(); // Spigot // Paper
// Send time updates to everyone, it will get the right time from the world the player is in.
- if (this.ticks % 20 == 0) {
- for (int i = 0; i < this.getPlayerList().players.size(); ++i) {
- EntityPlayer entityplayer = (EntityPlayer) this.getPlayerList().players.get(i);
- entityplayer.playerConnection.sendPacket(new PacketPlayOutUpdateTime(entityplayer.world.getTime(), entityplayer.getPlayerTime(), entityplayer.world.getGameRules().getBoolean(GameRules.DO_DAYLIGHT_CYCLE))); // Add support for per player time
+ // Paper start - optimize time updates
+ for (final WorldServer world : this.getWorlds()) {
+ final boolean doDaylight = world.getGameRules().getBoolean(GameRules.DO_DAYLIGHT_CYCLE);
+ final long dayTime = world.getDayTime();
+ long worldTime = world.getTime();
+ final PacketPlayOutUpdateTime worldPacket = new PacketPlayOutUpdateTime(worldTime, dayTime, doDaylight);
+ for (EntityHuman entityhuman : world.getPlayers()) {
+ if (!(entityhuman instanceof EntityPlayer) || (ticks + entityhuman.getId()) % 20 != 0) {
+ continue;
+ }
+ EntityPlayer entityplayer = (EntityPlayer) entityhuman;
+ long playerTime = entityplayer.getPlayerTime();
+ PacketPlayOutUpdateTime packet = (playerTime == dayTime) ? worldPacket :
+ new PacketPlayOutUpdateTime(worldTime, playerTime, doDaylight);
+ entityplayer.playerConnection.sendPacket(packet); // Add support for per player time
}
}
+ // Paper end
MinecraftTimings.timeUpdateTimer.stopTiming(); // Spigot // Paper
while (iterator.hasNext()) {
--
2.25.1