Paper/Spigot-Server-Patches/0395-Optimize-World-Time-Updates.patch
Zach Brown 1e38743b1d
Update upstream B/CB/S
Also fixes build as a result of an upstream force push

--- work/Bukkit
Submodule work/Bukkit 217dc08d..d13fdf8c:
  > SPIGOT-4637: Add source block to BlockPhysicsEvent.

--- work/CraftBukkit
Submodule work/CraftBukkit acbba8ba..cb98c6ea:
  > Fix line endings in CraftDefaultPermissions
  > SPIGOT-4637: Add source block to BlockPhysicsEvent.

--- work/Spigot
Submodule work/Spigot 75ee78a0c...4165cd8f4 (commits not present)
  > (Manually Added) - Appears to be a result of an upstream force push
  > (Manually Added) - Changed: SPIGOT-4636: Add creative mode NBT permissions
2019-02-25 04:39:24 -05:00

46 lines
2.6 KiB
Diff

From d24eb7446c41e7ece2a912698e2e1c1ef0621d79 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 1dbb03a9a..4e648ee73 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1033,12 +1033,24 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
MinecraftTimings.timeUpdateTimer.startTiming(); // Spigot
// 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("doDaylightCycle"))); // Add support for per player time
+ // Paper start - optimize time updates
+ for (final WorldServer world : this.getWorlds()) {
+ final boolean doDaylight = world.getGameRules().getBoolean("doDaylightCycle");
+ final long dayTime = world.getDayTime();
+ long worldTime = world.getTime();
+ final PacketPlayOutUpdateTime worldPacket = new PacketPlayOutUpdateTime(worldTime, dayTime, doDaylight);
+ for (EntityHuman entityhuman : world.players) {
+ 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
// WorldServer worldserver; // CraftBukkit - dropped down
--
2.20.1