mirror of
https://github.com/PaperMC/Paper.git
synced 2024-09-12 06:58:11 +02:00
Removes synchronization from sending packets Makes normal packet sends no longer need to be wrapped and queued like it use to work. Adds more packet queue immunities on top of keep alive to let the following scenarios go out without delay: - Keep Alive - Chat - Kick - All of the packets during the Player Joined World event Hoping that latter one helps join timeout issues more too for slow connections. Removes processing packet queue off of main thread - for the few cases where it is allowed, order is not necessary nor should it even be happening concurrently in first place (handshaking/login/status) Ensures packets sent asynchronously are dispatched on main thread This helps ensure safety for ProtocolLib as packet listeners are commonly accessing world state. This will allow you to schedule a packet to be sent async, but itll be dispatched sync for packet listeners to process. This should solve some deadlock risks This may provide a decent performance improvement because thread synchronization incurs a cache reset so by avoiding ever entering a synchronized block, we get to avoid that, and packet sending is a really hot activity.
663 lines
37 KiB
Diff
663 lines
37 KiB
Diff
From fae5620132fc31e4ed1f88b0c71f3084d2c96070 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Tue, 5 May 2020 21:23:34 -0700
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Subject: [PATCH] No-Tick view distance implementation
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Implements world view distance getters/setters
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Per-Player is absent due to difficulty of maintaining
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the diff required to make it happen.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 4612697569f..5c8a946d5c8 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -679,4 +679,9 @@ public class PaperWorldConfig {
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phantomIgnoreCreative = getBoolean("phantoms-do-not-spawn-on-creative-players", phantomIgnoreCreative);
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phantomOnlyAttackInsomniacs = getBoolean("phantoms-only-attack-insomniacs", phantomOnlyAttackInsomniacs);
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}
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+
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+ public int noTickViewDistance;
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+ private void viewDistance() {
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+ this.noTickViewDistance = this.getInt("viewdistances.no-tick-view-distance", -1);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 69bfece7d43..2332f126f73 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -245,7 +245,51 @@ public class Chunk implements IChunkAccess {
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}
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protected void onNeighbourChange(final long bitsetBefore, final long bitsetAfter) {
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+ // Paper start - no-tick view distance
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+ ChunkProviderServer chunkProviderServer = ((WorldServer)this.world).getChunkProvider();
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+ PlayerChunkMap chunkMap = chunkProviderServer.playerChunkMap;
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+ // this code handles the addition of ticking tickets - the distance map handles the removal
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+ if (!areNeighboursLoaded(bitsetBefore, 2) && areNeighboursLoaded(bitsetAfter, 2)) {
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+ if (chunkMap.playerViewDistanceTickMap.getObjectsInRange(this.coordinateKey) != null) {
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+ // now we're ready for entity ticking
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+ chunkProviderServer.serverThreadQueue.execute(() -> {
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+ // double check that this condition still holds.
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+ if (Chunk.this.areNeighboursLoaded(2) && chunkMap.playerViewDistanceTickMap.getObjectsInRange(Chunk.this.coordinateKey) != null) {
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+ chunkProviderServer.addTicketAtLevel(TicketType.PLAYER, Chunk.this.loc, 31, Chunk.this.loc); // 31 -> entity ticking, TODO check on update
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+ }
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+ });
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+ }
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+ }
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+ // this code handles the chunk sending
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+ if (!areNeighboursLoaded(bitsetBefore, 1) && areNeighboursLoaded(bitsetAfter, 1)) {
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+ if (chunkMap.playerViewDistanceBroadcastMap.getObjectsInRange(this.coordinateKey) != null) {
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+ // now we're ready to send
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+ chunkMap.mailboxMain.a(ChunkTaskQueueSorter.a(chunkMap.getUpdatingChunk(this.coordinateKey), (() -> { // Copied frm PlayerChunkMap
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+ // double check that this condition still holds.
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+ if (!Chunk.this.areNeighboursLoaded(1)) {
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+ return;
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+ }
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> inRange = chunkMap.playerViewDistanceBroadcastMap.getObjectsInRange(Chunk.this.coordinateKey);
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+ if (inRange == null) {
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+ return;
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+ }
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+
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+ // broadcast
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+ Object[] backingSet = inRange.getBackingSet();
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+ Packet[] chunkPackets = new Packet[2];
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+ for (int index = 0, len = backingSet.length; index < len; ++index) {
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+ Object temp = backingSet[index];
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+ if (!(temp instanceof EntityPlayer)) {
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+ continue;
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+ }
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+ EntityPlayer player = (EntityPlayer)temp;
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+ chunkMap.sendChunk(player, chunkPackets, Chunk.this);
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+ }
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+ })));
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+ }
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+ }
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+ // Paper end - no-tick view distance
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}
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public final boolean areNeighboursLoaded(final int radius) {
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diff --git a/src/main/java/net/minecraft/server/ChunkMapDistance.java b/src/main/java/net/minecraft/server/ChunkMapDistance.java
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index 7cd4e291235..942efe62fe5 100644
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--- a/src/main/java/net/minecraft/server/ChunkMapDistance.java
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+++ b/src/main/java/net/minecraft/server/ChunkMapDistance.java
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@@ -252,7 +252,7 @@ public abstract class ChunkMapDistance {
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return s;
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}
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- protected void a(int i) {
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+ protected void setNoTickViewDistance(int i) { // Paper - force abi breakage on usage change
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this.g.a(i);
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}
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@@ -371,7 +371,7 @@ public abstract class ChunkMapDistance {
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private void a(long i, int j, boolean flag, boolean flag1) {
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if (flag != flag1) {
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- Ticket<?> ticket = new Ticket<>(TicketType.PLAYER, ChunkMapDistance.b, new ChunkCoordIntPair(i));
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+ Ticket<?> ticket = new Ticket<>(TicketType.PLAYER, 33, new ChunkCoordIntPair(i)); // Paper - no-tick view distance
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if (flag1) {
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ChunkMapDistance.this.j.a(ChunkTaskQueueSorter.a(() -> { // CraftBukkit - decompile error
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diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
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index 6e8179b4651..e32c458dfe5 100644
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--- a/src/main/java/net/minecraft/server/EntityPlayer.java
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+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
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@@ -111,6 +111,8 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
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double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
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+ boolean needsChunkCenterUpdate; // Paper - no-tick view distance
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+
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public EntityPlayer(MinecraftServer minecraftserver, WorldServer worldserver, GameProfile gameprofile, PlayerInteractManager playerinteractmanager) {
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super((World) worldserver, gameprofile);
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playerinteractmanager.player = this;
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diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
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index bae9371a1e2..9d71c4c455d 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunk.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
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@@ -160,6 +160,18 @@ public class PlayerChunk {
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}
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// Paper end - optimise isOutsideOfRange
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+ // Paper start - no-tick view distance
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+ public final Chunk getSendingChunk() {
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+ // it's important that we use getChunkAtIfLoadedImmediately to mirror the chunk sending logic used
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+ // in Chunk's neighbour callback
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+ Chunk ret = this.chunkMap.world.getChunkProvider().getChunkAtIfLoadedImmediately(this.location.x, this.location.z);
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+ if (ret != null && ret.areNeighboursLoaded(1)) {
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+ return ret;
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+ }
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+ return null;
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+ }
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+ // Paper end - no-tick view distance
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+
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public PlayerChunk(ChunkCoordIntPair chunkcoordintpair, int i, LightEngine lightengine, PlayerChunk.c playerchunk_c, PlayerChunk.d playerchunk_d) {
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this.statusFutures = new AtomicReferenceArray(PlayerChunk.CHUNK_STATUSES.size());
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this.fullChunkFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
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@@ -321,7 +333,7 @@ public class PlayerChunk {
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}
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public void a(int i, int j, int k) {
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- Chunk chunk = this.getChunk();
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+ Chunk chunk = this.getSendingChunk(); // Paper - no-tick view distance
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if (chunk != null) {
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this.r |= 1 << (j >> 4);
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@@ -341,7 +353,7 @@ public class PlayerChunk {
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}
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public void a(EnumSkyBlock enumskyblock, int i) {
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- Chunk chunk = this.getChunk();
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+ Chunk chunk = this.getSendingChunk(); // Paper - no-tick view distance
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if (chunk != null) {
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chunk.setNeedsSaving(true);
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@@ -426,9 +438,48 @@ public class PlayerChunk {
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}
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private void a(Packet<?> packet, boolean flag) {
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- this.players.a(this.location, flag).forEach((entityplayer) -> {
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- entityplayer.playerConnection.sendPacket(packet);
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- });
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+ // Paper start - per player view distance
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+ // there can be potential desync with player's last mapped section and the view distance map, so use the
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+ // view distance map here.
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+ com.destroystokyo.paper.util.misc.PlayerAreaMap viewDistanceMap = this.chunkMap.playerViewDistanceBroadcastMap;
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> players = viewDistanceMap.getObjectsInRange(this.location);
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+ if (players == null) {
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+ return;
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+ }
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+
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+ if (flag) { // flag -> border only
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+ Object[] backingSet = players.getBackingSet();
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+ for (int i = 0, len = backingSet.length; i < len; ++i) {
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+ Object temp = backingSet[i];
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+ if (!(temp instanceof EntityPlayer)) {
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+ continue;
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+ }
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+ EntityPlayer player = (EntityPlayer)temp;
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+
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+ int viewDistance = viewDistanceMap.getLastViewDistance(player);
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+ long lastPosition = viewDistanceMap.getLastCoordinate(player);
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+
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+ int distX = Math.abs(MCUtil.getCoordinateX(lastPosition) - this.location.x);
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+ int distZ = Math.abs(MCUtil.getCoordinateZ(lastPosition) - this.location.z);
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+
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+ if (Math.max(distX, distZ) == viewDistance) {
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+ player.playerConnection.sendPacket(packet);
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+ }
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+ }
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+ } else {
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+ Object[] backingSet = players.getBackingSet();
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+ for (int i = 0, len = backingSet.length; i < len; ++i) {
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+ Object temp = backingSet[i];
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+ if (!(temp instanceof EntityPlayer)) {
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+ continue;
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+ }
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+ EntityPlayer player = (EntityPlayer)temp;
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+ player.playerConnection.sendPacket(packet);
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+ }
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+ }
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+
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+ return;
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+ // Paper end - per player view distance
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}
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public CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> a(ChunkStatus chunkstatus, PlayerChunkMap playerchunkmap) {
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diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index 4317d9b98e4..a3abad95a11 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -71,7 +71,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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private boolean updatingChunksModified;
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private final ChunkTaskQueueSorter p;
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private final Mailbox<ChunkTaskQueueSorter.a<Runnable>> mailboxWorldGen;
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- private final Mailbox<ChunkTaskQueueSorter.a<Runnable>> mailboxMain;
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+ final Mailbox<ChunkTaskQueueSorter.a<Runnable>> mailboxMain; // Paper - private -> package private
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public final WorldLoadListener worldLoadListener;
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public final PlayerChunkMap.a chunkDistanceManager; public final PlayerChunkMap.a getChunkMapDistanceManager() { return this.chunkDistanceManager; } // Paper - OBFHELPER
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private final AtomicInteger u;
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@@ -141,6 +141,19 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobSpawnMap; // this map is absent from updateMaps since it's controlled at the start of the chunkproviderserver tick
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public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerChunkTickRangeMap;
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// Paper end - optimise PlayerChunkMap#isOutsideRange
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+ // Paper start - no-tick view distance
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+ int noTickViewDistance;
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+ public final int getRawNoTickViewDistance() {
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+ return this.noTickViewDistance;
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+ }
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+ public final int getEffectiveNoTickViewDistance() {
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+ return this.noTickViewDistance == -1 ? this.getEffectiveViewDistance() : this.noTickViewDistance;
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+ }
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+
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+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceBroadcastMap;
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+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceTickMap;
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+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceNoTickMap;
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+ // Paper end - no-tick view distance
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void addPlayerToDistanceMaps(EntityPlayer player) {
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int chunkX = MCUtil.getChunkCoordinate(player.locX());
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@@ -157,6 +170,19 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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// Paper start - optimise PlayerChunkMap#isOutsideRange
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this.playerChunkTickRangeMap.add(player, chunkX, chunkZ, ChunkMapDistance.MOB_SPAWN_RANGE);
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// Paper end - optimise PlayerChunkMap#isOutsideRange
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+ // Paper start - no-tick view distance
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+ int effectiveTickViewDistance = this.getEffectiveViewDistance();
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+ int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance);
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+
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+ if (!this.cannotLoadChunks(player)) {
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+ this.playerViewDistanceTickMap.add(player, chunkX, chunkZ, effectiveTickViewDistance);
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+ this.playerViewDistanceNoTickMap.add(player, chunkX, chunkZ, effectiveNoTickViewDistance + 2); // clients need chunk 1 neighbour, and we need another 1 for sending those extra neighbours (as we require neighbours to send)
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+ }
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+
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+ player.needsChunkCenterUpdate = true;
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+ this.playerViewDistanceBroadcastMap.add(player, chunkX, chunkZ, effectiveNoTickViewDistance + 1); // clients need an extra neighbour to render the full view distance configured
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+ player.needsChunkCenterUpdate = false;
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+ // Paper end - no-tick view distance
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}
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void removePlayerFromDistanceMaps(EntityPlayer player) {
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@@ -169,6 +195,11 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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this.playerMobSpawnMap.remove(player);
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this.playerChunkTickRangeMap.remove(player);
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// Paper end - optimise PlayerChunkMap#isOutsideRange
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+ // Paper start - no-tick view distance
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+ this.playerViewDistanceBroadcastMap.remove(player);
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+ this.playerViewDistanceTickMap.remove(player);
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+ this.playerViewDistanceNoTickMap.remove(player);
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+ // Paper end - no-tick view distance
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}
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void updateMaps(EntityPlayer player) {
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@@ -186,6 +217,19 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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// Paper start - optimise PlayerChunkMap#isOutsideRange
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this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, ChunkMapDistance.MOB_SPAWN_RANGE);
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// Paper end - optimise PlayerChunkMap#isOutsideRange
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+ // Paper start - no-tick view distance
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+ int effectiveTickViewDistance = this.getEffectiveViewDistance();
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+ int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance);
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+
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+ if (!this.cannotLoadChunks(player)) {
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+ this.playerViewDistanceTickMap.update(player, chunkX, chunkZ, effectiveTickViewDistance);
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+ this.playerViewDistanceNoTickMap.update(player, chunkX, chunkZ, effectiveNoTickViewDistance + 2); // clients need chunk 1 neighbour, and we need another 1 for sending those extra neighbours (as we require neighbours to send)
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+ }
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+
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+ player.needsChunkCenterUpdate = true;
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+ this.playerViewDistanceBroadcastMap.update(player, chunkX, chunkZ, effectiveNoTickViewDistance + 1); // clients need an extra neighbour to render the full view distance configured
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+ player.needsChunkCenterUpdate = false;
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+ // Paper end - no-tick view distance
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}
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@@ -293,6 +337,45 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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}
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});
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// Paper end - optimise PlayerChunkMap#isOutsideRange
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+ // Paper start - no-tick view distance
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+ this.setNoTickViewDistance(this.world.paperConfig.noTickViewDistance);
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+ this.playerViewDistanceTickMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
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+ (EntityPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> newState) -> {
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+ if (newState.size() != 1) {
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+ return;
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+ }
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+ Chunk chunk = PlayerChunkMap.this.world.getChunkProvider().getChunkAtIfLoadedMainThreadNoCache(rangeX, rangeZ);
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+ if (chunk == null || !chunk.areNeighboursLoaded(2)) {
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+ return;
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+ }
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+
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+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(rangeX, rangeZ);
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+ PlayerChunkMap.this.world.getChunkProvider().addTicketAtLevel(TicketType.PLAYER, chunkPos, 31, chunkPos); // entity ticking level, TODO check on update
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+ },
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+ (EntityPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> newState) -> {
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+ if (newState != null) {
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+ return;
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+ }
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+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(rangeX, rangeZ);
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+ PlayerChunkMap.this.world.getChunkProvider().removeTicketAtLevel(TicketType.PLAYER, chunkPos, 31, chunkPos); // entity ticking level, TODO check on update
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+ });
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+ this.playerViewDistanceNoTickMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
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+ this.playerViewDistanceBroadcastMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
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+ (EntityPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> newState) -> {
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+ if (player.needsChunkCenterUpdate) {
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+ player.needsChunkCenterUpdate = false;
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+ player.playerConnection.sendPacket(new PacketPlayOutViewCentre(currPosX, currPosZ));
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+ }
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+ PlayerChunkMap.this.sendChunk(player, new ChunkCoordIntPair(rangeX, rangeZ), new Packet[2], false, true); // unloaded, loaded
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+ },
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+ (EntityPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> newState) -> {
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+ PlayerChunkMap.this.sendChunk(player, new ChunkCoordIntPair(rangeX, rangeZ), null, true, false); // unloaded, loaded
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+ });
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+ // Paper end - no-tick view distance
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}
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public void updatePlayerMobTypeMap(Entity entity) {
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@@ -1113,15 +1196,11 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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completablefuture1.thenAcceptAsync((either) -> {
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either.mapLeft((chunk) -> {
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this.u.getAndIncrement();
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- Packet<?>[] apacket = new Packet[2];
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-
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- this.a(chunkcoordintpair, false).forEach((entityplayer) -> {
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- this.a(entityplayer, apacket, chunk);
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- });
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+ // Paper - no-tick view distance - moved to Chunk neighbour update
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return Either.left(chunk);
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});
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}, (runnable) -> {
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- this.mailboxMain.a(ChunkTaskQueueSorter.a(playerchunk, runnable)); // CraftBukkit - decompile error
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+ this.mailboxMain.a(ChunkTaskQueueSorter.a(playerchunk, runnable)); // CraftBukkit - decompile error // Paper - diff on change, this is the scheduling method copied in Chunk used to schedule chunk broadcasts (on change it needs to be copied again)
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});
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return completablefuture1;
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}
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@@ -1221,32 +1300,52 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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} // Paper
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}
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- protected void setViewDistance(int i) {
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- int j = MathHelper.clamp(i + 1, 3, 33);
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+ public final void setViewDistance(int i) { // Paper - public
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+ int j = MathHelper.clamp(i + 1, 3, 33); // Paper - diff on change, these make the lower view distance limit 2 and the upper 32
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if (j != this.viewDistance) {
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int k = this.viewDistance;
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this.viewDistance = j;
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- this.chunkDistanceManager.a(this.viewDistance);
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- ObjectIterator objectiterator = this.updatingChunks.values().iterator();
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+ if (this.world != null && this.world.players != null) { // this can be called from constructor, where these aren't set
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+ // Paper start - no-tick view distance
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+ for (EntityPlayer player : this.world.players) {
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+ PlayerConnection connection = player.playerConnection;
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+ if (connection != null) {
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+ // moved in from PlayerList
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+ connection.sendPacket(new PacketPlayOutViewDistance(this.getEffectiveNoTickViewDistance()));
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+ }
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+ this.updateMaps(player); // distance map handles the chunk sending (and ticket level changes)
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+ }
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+ this.setNoTickViewDistance(this.getRawNoTickViewDistance()); // propagate changes to no-tick, which does the actual chunk loading/sending
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+ // Paper end - no-tick view distance
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+ }
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+ }
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- while (objectiterator.hasNext()) {
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- PlayerChunk playerchunk = (PlayerChunk) objectiterator.next();
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- ChunkCoordIntPair chunkcoordintpair = playerchunk.i();
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- Packet<?>[] apacket = new Packet[2];
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+ }
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+
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+ // Paper start - no-tick view distance
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+ public final void setNoTickViewDistance(int viewDistance) {
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+ viewDistance = viewDistance == -1 ? -1 : MathHelper.clamp(viewDistance, 2, 32);
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+ if (viewDistance == this.noTickViewDistance && viewDistance != -1) {
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+ return;
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+ }
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- this.a(chunkcoordintpair, false).forEach((entityplayer) -> {
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- int l = b(chunkcoordintpair, entityplayer, true);
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- boolean flag = l <= k;
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- boolean flag1 = l <= this.viewDistance;
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+ this.noTickViewDistance = viewDistance;
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+ this.chunkDistanceManager.setNoTickViewDistance(this.getEffectiveNoTickViewDistance() + 2 + 2); // add 2 to account for the change to 31 -> 33 tickets // see notes in the distance map updating for the other + 2
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- this.sendChunk(entityplayer, chunkcoordintpair, apacket, flag, flag1);
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- });
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+ if (this.world != null && this.world.players != null) { // this can be called from constructor, where these aren't set
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+ for (EntityPlayer player : this.world.players) {
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+ PlayerConnection connection = player.playerConnection;
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+ if (connection != null) {
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+ // moved in from PlayerList
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+ connection.sendPacket(new PacketPlayOutViewDistance(this.getEffectiveNoTickViewDistance()));
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+ }
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+ this.updateMaps(player);
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}
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}
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-
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}
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+ // Paper end - no-tick view distance
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protected void sendChunk(EntityPlayer entityplayer, ChunkCoordIntPair chunkcoordintpair, Packet<?>[] apacket, boolean flag, boolean flag1) {
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if (entityplayer.world == this.world) {
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@@ -1254,7 +1353,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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PlayerChunk playerchunk = this.getVisibleChunk(chunkcoordintpair.pair());
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if (playerchunk != null) {
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- Chunk chunk = playerchunk.getChunk();
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+ Chunk chunk = playerchunk.getSendingChunk(); // Paper - no-tick view distance
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if (chunk != null) {
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this.a(entityplayer, apacket, chunk);
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@@ -1523,6 +1622,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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}
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// Paper end - optimise isOutsideOfRange
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+ private boolean cannotLoadChunks(EntityPlayer entityplayer) { return this.b(entityplayer); } // Paper - OBFHELPER
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private boolean b(EntityPlayer entityplayer) {
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return entityplayer.isSpectator() && !this.world.getGameRules().getBoolean(GameRules.SPECTATORS_GENERATE_CHUNKS);
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}
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@@ -1550,13 +1650,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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this.removePlayerFromDistanceMaps(entityplayer); // Paper - distance maps
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}
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- for (int k = i - this.viewDistance; k <= i + this.viewDistance; ++k) {
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- for (int l = j - this.viewDistance; l <= j + this.viewDistance; ++l) {
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- ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(k, l);
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-
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- this.sendChunk(entityplayer, chunkcoordintpair, new Packet[2], !flag, flag);
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- }
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- }
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+ // Paper - broadcast view distance map handles this (see remove/add calls above)
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}
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@@ -1564,7 +1658,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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SectionPosition sectionposition = SectionPosition.a((Entity) entityplayer);
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entityplayer.a(sectionposition);
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- entityplayer.playerConnection.sendPacket(new PacketPlayOutViewCentre(sectionposition.a(), sectionposition.c()));
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+ // Paper - distance map handles this now
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return sectionposition;
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}
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@@ -1609,6 +1703,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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int k1;
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int l1;
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+ /* // Paper start - replaced by distance map
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if (Math.abs(i1 - i) <= this.viewDistance * 2 && Math.abs(j1 - j) <= this.viewDistance * 2) {
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k1 = Math.min(i, i1) - this.viewDistance;
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l1 = Math.min(j, j1) - this.viewDistance;
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@@ -1646,7 +1741,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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this.sendChunk(entityplayer, chunkcoordintpair1, new Packet[2], false, true);
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}
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}
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- }
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+ }*/ // Paper end - replaced by distance map
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this.updateMaps(entityplayer); // Paper - distance maps
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@@ -1654,11 +1749,46 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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@Override
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public Stream<EntityPlayer> a(ChunkCoordIntPair chunkcoordintpair, boolean flag) {
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- return this.playerMap.a(chunkcoordintpair.pair()).filter((entityplayer) -> {
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- int i = b(chunkcoordintpair, entityplayer, true);
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+ // Paper start - per player view distance
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+ // there can be potential desync with player's last mapped section and the view distance map, so use the
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+ // view distance map here.
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> inRange = this.playerViewDistanceBroadcastMap.getObjectsInRange(chunkcoordintpair);
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- return i > this.viewDistance ? false : !flag || i == this.viewDistance;
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- });
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+ if (inRange == null) {
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+ return Stream.empty();
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+ }
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+ // all current cases are inlined so we wont hit this code, it's just in case plugins or future updates use it
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+ List<EntityPlayer> players = new ArrayList<>();
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+ Object[] backingSet = inRange.getBackingSet();
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+
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+ if (flag) { // flag -> border only
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+ for (int i = 0, len = backingSet.length; i < len; ++i) {
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+ Object temp = backingSet[i];
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+ if (!(temp instanceof EntityPlayer)) {
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+ continue;
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+ }
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+ EntityPlayer player = (EntityPlayer)temp;
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+ int viewDistance = this.playerViewDistanceBroadcastMap.getLastViewDistance(player);
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+ long lastPosition = this.playerViewDistanceBroadcastMap.getLastCoordinate(player);
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+
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+ int distX = Math.abs(MCUtil.getCoordinateX(lastPosition) - chunkcoordintpair.x);
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+ int distZ = Math.abs(MCUtil.getCoordinateZ(lastPosition) - chunkcoordintpair.z);
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+ if (Math.max(distX, distZ) == viewDistance) {
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+ players.add(player);
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+ }
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+ }
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+ } else {
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+ for (int i = 0, len = backingSet.length; i < len; ++i) {
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+ Object temp = backingSet[i];
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+ if (!(temp instanceof EntityPlayer)) {
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+ continue;
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+ }
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+ EntityPlayer player = (EntityPlayer)temp;
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+ players.add(player);
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+ }
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+ }
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+ return players.stream();
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+ // Paper end - per player view distance
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}
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protected void addEntity(Entity entity) {
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@@ -1829,6 +1959,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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}
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+ final void sendChunk(EntityPlayer entityplayer, Packet<?>[] apacket, Chunk chunk) { this.a(entityplayer, apacket, chunk); } // Paper - OBFHELPER
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private void a(EntityPlayer entityplayer, Packet<?>[] apacket, Chunk chunk) {
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if (apacket[0] == null) {
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apacket[0] = new PacketPlayOutMapChunk(chunk, 65535);
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@@ -2014,7 +2145,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(this.tracker.chunkX, this.tracker.chunkZ);
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PlayerChunk playerchunk = PlayerChunkMap.this.getVisibleChunk(chunkcoordintpair.pair());
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- if (playerchunk != null && playerchunk.getChunk() != null) {
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+ if (playerchunk != null && playerchunk.getSendingChunk() != null) { // Paper - no-tick view distance
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flag1 = PlayerChunkMap.b(chunkcoordintpair, entityplayer, false) <= PlayerChunkMap.this.viewDistance;
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}
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}
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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 61c7f5f9528..9786f110c5e 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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@@ -151,7 +151,7 @@ public abstract class PlayerList {
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// CraftBukkit - getType()
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// Spigot - view distance
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networkmanager.queueImmunity = true; // Paper
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- playerconnection.sendPacket(new PacketPlayOutLogin(entityplayer.getId(), entityplayer.playerInteractManager.getGameMode(), WorldData.c(worlddata.getSeed()), worlddata.isHardcore(), worldserver.worldProvider.getDimensionManager().getType(), this.getMaxPlayers(), worlddata.getType(), worldserver.spigotConfig.viewDistance, flag1, !flag));
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+ playerconnection.sendPacket(new PacketPlayOutLogin(entityplayer.getId(), entityplayer.playerInteractManager.getGameMode(), WorldData.c(worlddata.getSeed()), worlddata.isHardcore(), worldserver.worldProvider.getDimensionManager().getType(), this.getMaxPlayers(), worlddata.getType(), worldserver.getChunkProvider().playerChunkMap.getEffectiveNoTickViewDistance(), flag1, !flag)); // Paper - no-tick view distance
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entityplayer.getBukkitEntity().sendSupportedChannels(); // CraftBukkit
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playerconnection.sendPacket(new PacketPlayOutCustomPayload(PacketPlayOutCustomPayload.a, (new PacketDataSerializer(Unpooled.buffer())).a(this.getServer().getServerModName())));
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playerconnection.sendPacket(new PacketPlayOutServerDifficulty(worlddata.getDifficulty(), worlddata.isDifficultyLocked()));
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@@ -772,7 +772,7 @@ public abstract class PlayerList {
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WorldData worlddata = worldserver.getWorldData();
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entityplayer1.playerConnection.sendPacket(new PacketPlayOutRespawn(worldserver.worldProvider.getDimensionManager().getType(), WorldData.c(worldserver.getWorldData().getSeed()), worldserver.getWorldData().getType(), entityplayer1.playerInteractManager.getGameMode()));
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- entityplayer1.playerConnection.sendPacket(new PacketPlayOutViewDistance(worldserver.spigotConfig.viewDistance)); // Spigot
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+ entityplayer1.playerConnection.sendPacket(new PacketPlayOutViewDistance(worldserver.getChunkProvider().playerChunkMap.getEffectiveNoTickViewDistance())); // Paper - no-tick view distance
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entityplayer1.spawnIn(worldserver);
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entityplayer1.dead = false;
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entityplayer1.playerConnection.teleport(new Location(worldserver.getWorld(), entityplayer1.locX(), entityplayer1.locY(), entityplayer1.locZ(), entityplayer1.yaw, entityplayer1.pitch));
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@@ -1256,7 +1256,7 @@ public abstract class PlayerList {
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public void a(int i) {
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this.viewDistance = i;
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- this.sendAll(new PacketPlayOutViewDistance(i));
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+ //this.sendAll(new PacketPlayOutViewDistance(i)); // Paper - move into setViewDistance
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Iterator iterator = this.server.getWorlds().iterator();
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while (iterator.hasNext()) {
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 899c535c405..0e6368d0fb3 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -443,8 +443,13 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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this.b(blockposition, iblockdata1, iblockdata2);
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}
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- if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && (this.isClientSide || chunk == null || (chunk.getState() != null && chunk.getState().isAtLeast(PlayerChunk.State.TICKING)))) { // allow chunk to be null here as chunk.isReady() is false when we send our notification during block placement
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+ if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && (this.isClientSide || chunk == null || (chunk.getState() != null && chunk.getState().isAtLeast(PlayerChunk.State.TICKING)))) { // allow chunk to be null here as chunk.isReady() is false when we send our notification during block placement // Paper - diff on change, see below
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this.notify(blockposition, iblockdata1, iblockdata, i);
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+ // Paper start - per player view distance - allow block updates for non-ticking chunks in player view distance
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+ // if copied from above
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+ } else if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && (this.isClientSide || chunk == null || ((WorldServer)this).getChunkProvider().playerChunkMap.playerViewDistanceBroadcastMap.getObjectsInRange(MCUtil.getCoordinateKey(blockposition)) != null)) {
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+ ((WorldServer)this).getChunkProvider().flagDirty(blockposition);
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+ // Paper end - per player view distance
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}
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if (!this.isClientSide && (i & 1) != 0) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 995f706678f..ee7ae463898 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -2483,10 +2483,39 @@ public class CraftWorld implements World {
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// Spigot start
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@Override
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public int getViewDistance() {
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- return world.spigotConfig.viewDistance;
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+ return getHandle().getChunkProvider().playerChunkMap.getEffectiveViewDistance(); // Paper - no-tick view distance
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}
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// Spigot end
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+ // Paper start - per player view distance
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+ @Override
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+ public void setViewDistance(int viewDistance) {
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+ if (viewDistance < 2 || viewDistance > 32) {
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+ throw new IllegalArgumentException("View distance " + viewDistance + " is out of range of [2, 32]");
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+ }
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+ net.minecraft.server.PlayerChunkMap chunkMap = getHandle().getChunkProvider().playerChunkMap;
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+ if (viewDistance != chunkMap.getEffectiveViewDistance()) {
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+ chunkMap.setViewDistance(viewDistance);
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+ }
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+ }
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+
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+ @Override
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+ public int getNoTickViewDistance() {
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+ return getHandle().getChunkProvider().playerChunkMap.getEffectiveNoTickViewDistance();
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+ }
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+
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+ @Override
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+ public void setNoTickViewDistance(int viewDistance) {
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+ if ((viewDistance < 2 || viewDistance > 32) && viewDistance != -1) {
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+ throw new IllegalArgumentException("View distance " + viewDistance + " is out of range of [2, 32]");
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+ }
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+ net.minecraft.server.PlayerChunkMap chunkMap = getHandle().getChunkProvider().playerChunkMap;
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+ if (viewDistance != chunkMap.getRawNoTickViewDistance()) {
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+ chunkMap.setNoTickViewDistance(viewDistance);
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+ }
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+ }
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+ // Paper end - per player view distance
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+
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// Spigot start
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private final Spigot spigot = new Spigot()
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{
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diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
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index d873b8cf3ae..f735217e7a9 100644
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--- a/src/main/java/org/spigotmc/ActivationRange.java
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+++ b/src/main/java/org/spigotmc/ActivationRange.java
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@@ -201,7 +201,7 @@ public class ActivationRange
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maxRange = Math.max( maxRange, waterActivationRange );
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maxRange = Math.max( maxRange, villagerActivationRange );
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// Paper end
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- maxRange = Math.min( ( world.spigotConfig.viewDistance << 4 ) - 8, maxRange );
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+ maxRange = Math.min( ( ((net.minecraft.server.WorldServer)world).getChunkProvider().playerChunkMap.getEffectiveViewDistance() << 4 ) - 8, maxRange ); // Paper - no-tick view distance
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for ( EntityHuman player : world.getPlayers() )
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{
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--
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2.26.2
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