74 lines
3.8 KiB
Diff
74 lines
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 23 May 2020 17:03:41 -0400
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Subject: [PATCH] Optimize sending packets to nearby locations (sounds/effects)
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Instead of using the entire world or player list, use the distance
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maps to only iterate players who are even seeing the chunk the packet
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is originating from.
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This will drastically cut down on packet sending cost for worlds with
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lots of players in them.
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diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
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index 9b726de6daeba42120f3a948fbdcf080d0e72917..ada082e67ac8a3e79bab5b360f09c9402f683b86 100644
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--- a/src/main/java/net/minecraft/server/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/PlayerList.java
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@@ -1027,11 +1027,30 @@ public abstract class PlayerList {
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world = (WorldServer) entityhuman.world;
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}
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- List<? extends EntityHuman> players1 = world == null ? players : world.players;
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- for (int j = 0; j < players1.size(); ++j) {
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- EntityHuman entity = players1.get(j);
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- if (!(entity instanceof EntityPlayer)) continue;
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- EntityPlayer entityplayer = (EntityPlayer) entity;
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+ // Paper start
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+ if ((world == null || world.chunkProvider == null) && dimensionmanager != null) {
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+ world = dimensionmanager.world;
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+ }
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+ if (world == null) {
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+ LOGGER.error("Sending packet to invalid world" + entityhuman + " " + dimensionmanager + " - " + packet.getClass().getName(), new Throwable());
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+ return; // ??? shouldn't happen...
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+ }
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+ PlayerChunkMap chunkMap = world.chunkMap;
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+ Object[] backingSet;
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+ if (chunkMap == null) {
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+ // Really shouldn't happen...
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+ backingSet = world.players.toArray();
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+ } else {
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> nearbyPlayers = chunkMap.playerViewDistanceBroadcastMap.getObjectsInRange(MCUtil.fastFloor(d0) >> 4, MCUtil.fastFloor(d2) >> 4);
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+ if (nearbyPlayers == null) {
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+ return;
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+ }
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+ backingSet = nearbyPlayers.getBackingSet();
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+ }
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+
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+ for (Object object : backingSet) {
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+ if (!(object instanceof EntityPlayer)) continue;
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+ EntityPlayer entityplayer = (EntityPlayer) object;
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// Paper end
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// CraftBukkit start - Test if player receiving packet can see the source of the packet
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index 9e32e2db10f5faaa3c5f4adc5cbc2c1a2e4d3073..854c97bddb711ed252c2ae8398247641fdfb10be 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -70,6 +70,7 @@ public class WorldServer extends World {
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}
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}
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// Paper end
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+ public final PlayerChunkMap chunkMap; // Paper
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private final MinecraftServer server;
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private final WorldNBTStorage dataManager;
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public boolean savingDisabled;
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@@ -208,6 +209,8 @@ public class WorldServer extends World {
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}, gameprofilerfiller, false, gen, env);
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this.pvpMode = minecraftserver.getPVP();
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worlddata.world = this;
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+ if (chunkProvider == null) { chunkMap = null; new Throwable("World created without a ChunkProvider!").printStackTrace(); } // Paper - figure out if something weird happened here
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+ else chunkMap = ((ChunkProviderServer) chunkProvider).playerChunkMap;
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// CraftBukkit end
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if (com.destroystokyo.paper.PaperConfig.useOptimizedTickList) {
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this.nextTickListBlock = new com.destroystokyo.paper.server.ticklist.PaperTickList<>(this, (block) -> { // Paper - optimise TickListServer
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