64 lines
3.5 KiB
Diff
64 lines
3.5 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 a8100f7ade20932a87c55750b412d6a755a9cdd5..ea744e2fdf7a256d9f04786a670c44e8b517f281 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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@@ -1063,16 +1063,40 @@ public abstract class PlayerList {
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}
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public void sendPacketNearby(@Nullable EntityHuman entityhuman, double d0, double d1, double d2, double d3, ResourceKey<World> resourcekey, Packet<?> packet) {
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- for (int i = 0; i < this.players.size(); ++i) {
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- EntityPlayer entityplayer = (EntityPlayer) this.players.get(i);
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+ WorldServer world = null;
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+ if (entityhuman != null && entityhuman.world instanceof WorldServer) {
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+ world = (WorldServer) entityhuman.world;
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+ }
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- // CraftBukkit start - Test if player receiving packet can see the source of the packet
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- if (entityhuman != null && entityhuman instanceof EntityPlayer && !entityplayer.getBukkitEntity().canSee(((EntityPlayer) entityhuman).getBukkitEntity())) {
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- continue;
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+ // Paper start
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+ if (world == null) {
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+ world = server.getWorldServer(resourcekey);
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+ }
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+ PlayerChunkMap chunkMap = world != null ? world.getChunkProvider().playerChunkMap : null;
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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 != null ? world.players.toArray() : 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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+
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+ // CraftBukkit start - Test if player receiving packet can see the source of the packet
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+ //if (entityhuman != null && entityhuman instanceof EntityPlayer && !entityplayer.getBukkitEntity().canSee(((EntityPlayer) entityhuman).getBukkitEntity())) { // Paper
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+ //continue; // Paper
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+ //} // Paper
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// CraftBukkit end
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- if (entityplayer != entityhuman && entityplayer.world.getDimensionKey() == resourcekey) {
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+ if (entityplayer != entityhuman && entityplayer.world.getDimensionKey() == resourcekey && (!(entityhuman instanceof EntityPlayer) || entityplayer.getBukkitEntity().canSee(((EntityPlayer) entityhuman).getBukkitEntity()))) { // Paper
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double d4 = d0 - entityplayer.locX();
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double d5 = d1 - entityplayer.locY();
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double d6 = d2 - entityplayer.locZ();
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