From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Spottedleaf Date: Tue, 5 May 2020 21:23:34 -0700 Subject: [PATCH] No-Tick view distance implementation Implements world view distance getters/setters Per-Player is absent due to difficulty of maintaining the diff required to make it happen. diff --git a/src/main/java/co/aikar/timings/TimingsExport.java b/src/main/java/co/aikar/timings/TimingsExport.java index ee53453440177537fc653ea156785d7591498614..cfe293881f68c8db337c3a48948362bb7b3e3522 100644 --- a/src/main/java/co/aikar/timings/TimingsExport.java +++ b/src/main/java/co/aikar/timings/TimingsExport.java @@ -152,7 +152,8 @@ public class TimingsExport extends Thread { pair("gamerules", toObjectMapper(world.getWorld().getGameRules(), rule -> { return pair(rule, world.getWorld().getGameRuleValue(rule)); })), - pair("ticking-distance", world.getChunkSource().chunkMap.getEffectiveViewDistance()) + pair("ticking-distance", world.getChunkSource().chunkMap.getEffectiveViewDistance()), + pair("notick-viewdistance", world.getChunkSource().chunkMap.getEffectiveNoTickViewDistance()) )); })); diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java index 4dde7eec6afad0b4340631482dc23a9796736d43..f3ba9d869179fb4dc86acf1f4d097fb0da701a09 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -492,6 +492,11 @@ public class PaperWorldConfig { lightQueueSize = getInt("light-queue-size", lightQueueSize); } + public int noTickViewDistance; + private void viewDistance() { + this.noTickViewDistance = this.getInt("viewdistances.no-tick-view-distance", -1); + } + public boolean antiXray; public EngineMode engineMode; public int maxBlockHeight; diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java index 5c1421620e02b7d4ab4171ebff41076c7ee8cd55..4bc418f45c6f16a9a1c78b6688625268870a96ad 100644 --- a/src/main/java/net/minecraft/server/MCUtil.java +++ b/src/main/java/net/minecraft/server/MCUtil.java @@ -636,7 +636,8 @@ public final class MCUtil { }); worldData.addProperty("name", world.getWorld().getName()); - worldData.addProperty("view-distance", world.spigotConfig.viewDistance); + worldData.addProperty("view-distance", world.getChunkSource().chunkMap.getEffectiveViewDistance()); + worldData.addProperty("no-view-distance", world.getChunkSource().chunkMap.getRawNoTickViewDistance()); worldData.addProperty("keep-spawn-loaded", world.keepSpawnInMemory); worldData.addProperty("keep-spawn-loaded-range", world.paperConfig.keepLoadedRange); worldData.addProperty("visible-chunk-count", visibleChunks.size()); diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java index 1ea32090783ac5b885b95ae2009dd61de3063ae0..8d3cdd288eacc91f7c9a624f601284e5cd2a36cc 100644 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java @@ -75,6 +75,17 @@ public class ChunkHolder { boolean isUpdateQueued = false; // Paper private final ChunkMap chunkMap; // Paper + // Paper start - no-tick view distance + public final LevelChunk getSendingChunk() { + // it's important that we use getChunkAtIfLoadedImmediately to mirror the chunk sending logic used + // in Chunk's neighbour callback + LevelChunk ret = this.chunkMap.level.getChunkSource().getChunkAtIfLoadedImmediately(this.pos.x, this.pos.z); + if (ret != null && ret.areNeighboursLoaded(1)) { + return ret; + } + return null; + } + // Paper end - no-tick view distance public ChunkHolder(ChunkPos pos, int level, LevelHeightAccessor world, LevelLightEngine lightingProvider, ChunkHolder.LevelChangeListener levelUpdateListener, ChunkHolder.PlayerProvider playersWatchingChunkProvider) { this.futures = new AtomicReferenceArray(ChunkHolder.CHUNK_STATUSES.size()); @@ -204,7 +215,7 @@ public class ChunkHolder { } public void blockChanged(BlockPos pos) { - LevelChunk chunk = this.getTickingChunk(); + LevelChunk chunk = this.getSendingChunk(); // Paper - no-tick view distance if (chunk != null) { int i = this.levelHeightAccessor.getSectionIndex(pos.getY()); @@ -220,7 +231,7 @@ public class ChunkHolder { } public void sectionLightChanged(LightLayer lightType, int y) { - LevelChunk chunk = this.getTickingChunk(); + LevelChunk chunk = this.getSendingChunk(); // Paper - no-tick view distance if (chunk != null) { chunk.setUnsaved(true); @@ -310,9 +321,48 @@ public class ChunkHolder { } public void broadcast(Packet packet, boolean onlyOnWatchDistanceEdge) { - this.playerProvider.getPlayers(this.pos, onlyOnWatchDistanceEdge).forEach((entityplayer) -> { - entityplayer.connection.send(packet); - }); + // Paper start - per player view distance + // there can be potential desync with player's last mapped section and the view distance map, so use the + // view distance map here. + com.destroystokyo.paper.util.misc.PlayerAreaMap viewDistanceMap = this.chunkMap.playerViewDistanceBroadcastMap; + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet players = viewDistanceMap.getObjectsInRange(this.pos); + if (players == null) { + return; + } + + if (onlyOnWatchDistanceEdge) { // flag -> border only + Object[] backingSet = players.getBackingSet(); + for (int i = 0, len = backingSet.length; i < len; ++i) { + Object temp = backingSet[i]; + if (!(temp instanceof ServerPlayer)) { + continue; + } + ServerPlayer player = (ServerPlayer)temp; + + int viewDistance = viewDistanceMap.getLastViewDistance(player); + long lastPosition = viewDistanceMap.getLastCoordinate(player); + + int distX = Math.abs(net.minecraft.server.MCUtil.getCoordinateX(lastPosition) - this.pos.x); + int distZ = Math.abs(net.minecraft.server.MCUtil.getCoordinateZ(lastPosition) - this.pos.z); + + if (Math.max(distX, distZ) == viewDistance) { + player.connection.send(packet); + } + } + } else { + Object[] backingSet = players.getBackingSet(); + for (int i = 0, len = backingSet.length; i < len; ++i) { + Object temp = backingSet[i]; + if (!(temp instanceof ServerPlayer)) { + continue; + } + ServerPlayer player = (ServerPlayer)temp; + player.connection.send(packet); + } + } + + return; + // Paper end - per player view distance } public CompletableFuture> getOrScheduleFuture(ChunkStatus targetStatus, ChunkMap chunkStorage) { diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java index 292fb6d71ca8bd63ad04d87d04f13b7f4f6f98fc..831394e82fd04daf00971019a7d479629e83baaf 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -127,7 +127,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider private boolean modified; private final ChunkTaskPriorityQueueSorter queueSorter; private final ProcessorHandle> worldgenMailbox; - private final ProcessorHandle> mainThreadMailbox; + public final ProcessorHandle> mainThreadMailbox; // Paper - private -> public // Paper start final ProcessorHandle> mailboxLight; public void addLightTask(ChunkHolder playerchunk, Runnable run) { @@ -169,21 +169,68 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider // Paper start - distance maps private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>(); + // Paper start - no-tick view distance + int noTickViewDistance; + public final int getRawNoTickViewDistance() { + return this.noTickViewDistance; + } + public final int getEffectiveNoTickViewDistance() { + return this.noTickViewDistance == -1 ? this.getEffectiveViewDistance() : this.noTickViewDistance; + } + public final int getLoadViewDistance() { + return Math.max(this.getEffectiveViewDistance(), this.getEffectiveNoTickViewDistance()); + } + + public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceBroadcastMap; + public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceTickMap; + public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceNoTickMap; + // Paper end - no-tick view distance void addPlayerToDistanceMaps(ServerPlayer player) { int chunkX = MCUtil.getChunkCoordinate(player.getX()); int chunkZ = MCUtil.getChunkCoordinate(player.getZ()); // Note: players need to be explicitly added to distance maps before they can be updated + // Paper start - no-tick view distance + int effectiveTickViewDistance = this.getEffectiveViewDistance(); + int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance); + + if (!this.skipPlayer(player)) { + this.playerViewDistanceTickMap.add(player, chunkX, chunkZ, effectiveTickViewDistance); + 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) + } + + player.needsChunkCenterUpdate = true; + this.playerViewDistanceBroadcastMap.add(player, chunkX, chunkZ, effectiveNoTickViewDistance + 1); // clients need an extra neighbour to render the full view distance configured + player.needsChunkCenterUpdate = false; + // Paper end - no-tick view distance } void removePlayerFromDistanceMaps(ServerPlayer player) { + // Paper start - no-tick view distance + this.playerViewDistanceBroadcastMap.remove(player); + this.playerViewDistanceTickMap.remove(player); + this.playerViewDistanceNoTickMap.remove(player); + // Paper end - no-tick view distance } void updateMaps(ServerPlayer player) { int chunkX = MCUtil.getChunkCoordinate(player.getX()); int chunkZ = MCUtil.getChunkCoordinate(player.getZ()); // Note: players need to be explicitly added to distance maps before they can be updated + // Paper start - no-tick view distance + int effectiveTickViewDistance = this.getEffectiveViewDistance(); + int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance); + + if (!this.skipPlayer(player)) { + this.playerViewDistanceTickMap.update(player, chunkX, chunkZ, effectiveTickViewDistance); + 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) + } + + player.needsChunkCenterUpdate = true; + this.playerViewDistanceBroadcastMap.update(player, chunkX, chunkZ, effectiveNoTickViewDistance + 1); // clients need an extra neighbour to render the full view distance configured + player.needsChunkCenterUpdate = false; + // Paper end - no-tick view distance } // Paper end // Paper start @@ -257,6 +304,45 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider this.dataRegionManager = new io.papermc.paper.chunk.SingleThreadChunkRegionManager(this.level, 2, (1.0 / 3.0), 1, 6, "Data", DataRegionData::new, DataRegionSectionData::new); this.regionManagers.add(this.dataRegionManager); // Paper end + // Paper start - no-tick view distance + this.setNoTickViewDistance(this.level.paperConfig.noTickViewDistance); + this.playerViewDistanceTickMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets, + (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ, + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet newState) -> { + if (newState.size() != 1) { + return; + } + LevelChunk chunk = ChunkMap.this.level.getChunkSource().getChunkAtIfLoadedMainThreadNoCache(rangeX, rangeZ); + if (chunk == null || !chunk.areNeighboursLoaded(2)) { + return; + } + + ChunkPos chunkPos = new ChunkPos(rangeX, rangeZ); + ChunkMap.this.level.getChunkSource().addTicketAtLevel(TicketType.PLAYER, chunkPos, 31, chunkPos); // entity ticking level, TODO check on update + }, + (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ, + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet newState) -> { + if (newState != null) { + return; + } + ChunkPos chunkPos = new ChunkPos(rangeX, rangeZ); + ChunkMap.this.level.getChunkSource().removeTicketAtLevel(TicketType.PLAYER, chunkPos, 31, chunkPos); // entity ticking level, TODO check on update + }); + this.playerViewDistanceNoTickMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets); + this.playerViewDistanceBroadcastMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets, + (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ, + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet newState) -> { + if (player.needsChunkCenterUpdate) { + player.needsChunkCenterUpdate = false; + player.connection.send(new ClientboundSetChunkCacheCenterPacket(currPosX, currPosZ)); + } + ChunkMap.this.updateChunkTracking(player, new ChunkPos(rangeX, rangeZ), new Packet[2], false, true); // unloaded, loaded + }, + (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ, + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet newState) -> { + ChunkMap.this.updateChunkTracking(player, new ChunkPos(rangeX, rangeZ), null, true, false); // unloaded, loaded + }); + // Paper end - no-tick view distance } private static double euclideanDistanceSquared(ChunkPos pos, Entity entity) { @@ -954,14 +1040,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider completablefuture1.thenAcceptAsync((either) -> { either.ifLeft((chunk) -> { this.tickingGenerated.getAndIncrement(); - Packet[] apacket = new Packet[2]; - - this.getPlayers(chunkcoordintpair, false).forEach((entityplayer) -> { - this.playerLoadedChunk(entityplayer, apacket, chunk); - }); + // Paper - no-tick view distance - moved to Chunk neighbour update }); }, (runnable) -> { - this.mainThreadMailbox.tell(ChunkTaskPriorityQueueSorter.message(holder, runnable)); + this.mainThreadMailbox.tell(ChunkTaskPriorityQueueSorter.message(holder, runnable)); // 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) }); return completablefuture1; } @@ -1054,27 +1136,34 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider } public void setViewDistance(int watchDistance) { - int j = Mth.clamp(watchDistance + 1, 3, 33); + int j = Mth.clamp(watchDistance + 1, 3, 33); // Paper - diff on change, these make the lower view distance limit 2 and the upper 32 if (j != this.viewDistance) { int k = this.viewDistance; this.viewDistance = j; - this.distanceManager.updatePlayerTickets(this.viewDistance); - ObjectIterator objectiterator = this.updatingChunkMap.values().iterator(); + this.setNoTickViewDistance(this.getRawNoTickViewDistance()); // Paper - no-tick view distance - propagate changes to no-tick, which does the actual chunk loading/sending + } - while (objectiterator.hasNext()) { - ChunkHolder playerchunk = (ChunkHolder) objectiterator.next(); - ChunkPos chunkcoordintpair = playerchunk.getPos(); - Packet[] apacket = new Packet[2]; + } - this.getPlayers(chunkcoordintpair, false).forEach((entityplayer) -> { - int l = ChunkMap.checkerboardDistance(chunkcoordintpair, entityplayer, true); - boolean flag = l <= k; - boolean flag1 = l <= this.viewDistance; + // Paper start - no-tick view distance + public final void setNoTickViewDistance(int viewDistance) { + viewDistance = viewDistance == -1 ? -1 : Mth.clamp(viewDistance, 2, 32); - this.updateChunkTracking(entityplayer, chunkcoordintpair, apacket, flag, flag1); - }); + this.noTickViewDistance = viewDistance; + int loadViewDistance = this.getLoadViewDistance(); + this.distanceManager.setNoTickViewDistance(loadViewDistance + 2 + 2); // add 2 to account for the change to 31 -> 33 tickets // see notes in the distance map updating for the other + 2 + + if (this.level != null && this.level.players != null) { // this can be called from constructor, where these aren't set + for (ServerPlayer player : this.level.players) { + net.minecraft.server.network.ServerGamePacketListenerImpl connection = player.connection; + if (connection != null) { + // moved in from PlayerList + connection.send(new net.minecraft.network.protocol.game.ClientboundSetChunkCacheRadiusPacket(loadViewDistance)); + } + this.updateMaps(player); + // Paper end - no-tick view distance } } @@ -1086,7 +1175,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider ChunkHolder playerchunk = this.getVisibleChunkIfPresent(pos.toLong()); if (playerchunk != null) { - LevelChunk chunk = playerchunk.getTickingChunk(); + LevelChunk chunk = playerchunk.getSendingChunk(); // Paper - no-tick view distance if (chunk != null) { this.playerLoadedChunk(player, packets, chunk); @@ -1182,7 +1271,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider // Paper end @Nullable - public CompoundTag readChunk(ChunkPos pos) throws IOException { // Paper - private -> public + public CompoundTag readChunk(ChunkPos pos) throws IOException { CompoundTag nbttagcompound = this.read(pos); // Paper start - Cache chunk status on disk if (nbttagcompound == null) { @@ -1293,13 +1382,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider this.removePlayerFromDistanceMaps(player); // Paper - distance maps } - for (int k = i - this.viewDistance; k <= i + this.viewDistance; ++k) { - for (int l = j - this.viewDistance; l <= j + this.viewDistance; ++l) { - ChunkPos chunkcoordintpair = new ChunkPos(k, l); - - this.updateChunkTracking(player, chunkcoordintpair, new Packet[2], !added, added); - } - } + // Paper - broadcast view distance map handles this (see remove/add calls above) } @@ -1307,7 +1390,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider SectionPos sectionposition = SectionPos.of((Entity) player); player.setLastSectionPos(sectionposition); - player.connection.send(new ClientboundSetChunkCacheCenterPacket(sectionposition.x(), sectionposition.z())); + // player.connection.send(new ClientboundSetChunkCacheCenterPacket(sectionposition.x(), sectionposition.z())); // Paper - distance map handles this now return sectionposition; } @@ -1362,6 +1445,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider int k1; int l1; + /* // Paper start - replaced by distance map if (Math.abs(i1 - i) <= this.viewDistance * 2 && Math.abs(j1 - j) <= this.viewDistance * 2) { k1 = Math.min(i, i1) - this.viewDistance; l1 = Math.min(j, j1) - this.viewDistance; @@ -1400,6 +1484,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider } } } + */ // Paper end - replaced by distance map this.updateMaps(player); // Paper - distance maps @@ -1407,11 +1492,46 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider @Override public Stream getPlayers(ChunkPos chunkPos, boolean onlyOnWatchDistanceEdge) { - return this.playerMap.getPlayers(chunkPos.toLong()).filter((entityplayer) -> { - int i = ChunkMap.checkerboardDistance(chunkPos, entityplayer, true); - - return i > this.viewDistance ? false : !onlyOnWatchDistanceEdge || i == this.viewDistance; - }); + // Paper start - per player view distance + // there can be potential desync with player's last mapped section and the view distance map, so use the + // view distance map here. + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet inRange = this.playerViewDistanceBroadcastMap.getObjectsInRange(chunkPos); + + if (inRange == null) { + return Stream.empty(); + } + // all current cases are inlined so we wont hit this code, it's just in case plugins or future updates use it + List players = new java.util.ArrayList<>(); + Object[] backingSet = inRange.getBackingSet(); + + if (onlyOnWatchDistanceEdge) { // flag -> border only + for (int i = 0, len = backingSet.length; i < len; ++i) { + Object temp = backingSet[i]; + if (!(temp instanceof ServerPlayer)) { + continue; + } + ServerPlayer player = (ServerPlayer)temp; + int viewDistance = this.playerViewDistanceBroadcastMap.getLastViewDistance(player); + long lastPosition = this.playerViewDistanceBroadcastMap.getLastCoordinate(player); + + int distX = Math.abs(MCUtil.getCoordinateX(lastPosition) - chunkPos.x); + int distZ = Math.abs(MCUtil.getCoordinateZ(lastPosition) - chunkPos.z); + if (Math.max(distX, distZ) == viewDistance) { + players.add(player); + } + } + } else { + for (int i = 0, len = backingSet.length; i < len; ++i) { + Object temp = backingSet[i]; + if (!(temp instanceof ServerPlayer)) { + continue; + } + ServerPlayer player = (ServerPlayer)temp; + players.add(player); + } + } + return players.stream(); + // Paper end - per player view distance } public void addEntity(Entity entity) { @@ -1532,6 +1652,47 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider } + // Paper start + private static int getLightMask(final LevelChunk chunk) { + final net.minecraft.world.level.chunk.LevelChunkSection[] chunkSections = chunk.getSections(); + int mask = 0; + + for (int i = 0; i < chunkSections.length; ++i) { + /* + + +Lightmasks have 18 bits, from the -1 (void) section until the 17th (air) section. +Sections go from 0..16. Now whenever a section is not empty, it can potentially change lighting for the section itself, the section below and the section above, hence the bitmask 111b, which is 7d. + + */ + mask |= (net.minecraft.world.level.chunk.LevelChunkSection.isEmpty(chunkSections[i]) ? 0 : 7) << i; + } + + return mask; + } + + private static int getCeilingLightMask(final LevelChunk chunk) { + int mask = getLightMask(chunk); + + /* + It is similar to get highest bit, it would turn an 001010 into an 001111 so basically the highest bit and all below. + We then invert this, so we'd have 110000 and compare that to the "main" chunk. + This is because the bug only appears when the current chunks lightmaps are higher than those of the neighbors, thus we can omit sending neighbors which are lower than the current chunks lights. + + so TLDR is that getCeilingLightMask returns a light mask with all bits set below the highest affected section. We could also count the number of leading zeros and invert them, somehow. + @TODO: Implement Leafs suggestion + either use Integer#numberOfLeadingZeros or document what this bithack is supposed to be doing then + */ + mask |= mask >> 1; + mask |= mask >> 2; + mask |= mask >> 4; + mask |= mask >> 8; + mask |= mask >> 16; + + return mask; + } + // Paper end + public void playerLoadedChunk(ServerPlayer player, Packet[] packets, LevelChunk chunk) { if (packets[0] == null) { packets[0] = new ClientboundLevelChunkPacket(chunk, chunk.level.chunkPacketBlockController.shouldModify(player, chunk)); // Paper - Ani-Xray - Bypass diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java index 45c7ebe67019cdbe88b6617a95d5c40d3a68286c..38eebda226e007c8910e04f502ce218cdfe1d456 100644 --- a/src/main/java/net/minecraft/server/level/DistanceManager.java +++ b/src/main/java/net/minecraft/server/level/DistanceManager.java @@ -275,8 +275,8 @@ public abstract class DistanceManager { return s; } - protected void updatePlayerTickets(int viewDistance) { - this.playerTicketManager.updateViewDistance(viewDistance); + protected void setNoTickViewDistance(int i) { // Paper - force abi breakage on usage change + this.playerTicketManager.updateViewDistance(i); } public int getNaturalSpawnChunkCount() { @@ -503,7 +503,7 @@ public abstract class DistanceManager { private void onLevelChange(long pos, int distance, boolean oldWithinViewDistance, boolean withinViewDistance) { if (oldWithinViewDistance != withinViewDistance) { - Ticket ticket = new Ticket<>(TicketType.PLAYER, DistanceManager.PLAYER_TICKET_LEVEL, new ChunkPos(pos)); + Ticket ticket = new Ticket<>(TicketType.PLAYER, 33, new ChunkPos(pos)); // Paper - no-tick view distance if (withinViewDistance) { DistanceManager.this.ticketThrottlerInput.tell(ChunkTaskPriorityQueueSorter.message(() -> { diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java index 10c56aa51a6dcfec8ef00faeeea4191188f24d36..0b11b136834f57a633f9461c7ad956b3c531f3ea 100644 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java @@ -242,6 +242,7 @@ public class ServerPlayer extends Player { public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet cachedSingleHashSet; // Paper + boolean needsChunkCenterUpdate; // Paper - no-tick view distance public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile) { super(world, world.getSharedSpawnPos(), world.getSharedSpawnAngle(), profile); diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java index 4ba978af436cb114aa5274df5cd8bd25ff7be2c9..10eb562d2089dc20c9ec33956c3e2f98084de748 100644 --- a/src/main/java/net/minecraft/server/players/PlayerList.java +++ b/src/main/java/net/minecraft/server/players/PlayerList.java @@ -244,7 +244,7 @@ public abstract class PlayerList { boolean flag1 = gamerules.getBoolean(GameRules.RULE_REDUCEDDEBUGINFO); // Spigot - view distance - playerconnection.send(new ClientboundLoginPacket(player.getId(), player.gameMode.getGameModeForPlayer(), player.gameMode.getPreviousGameModeForPlayer(), BiomeManager.obfuscateSeed(worldserver1.getSeed()), worlddata.isHardcore(), this.server.levelKeys(), this.registryHolder, worldserver1.dimensionType(), worldserver1.dimension(), this.getMaxPlayers(), worldserver1.spigotConfig.viewDistance, flag1, !flag, worldserver1.isDebug(), worldserver1.isFlat())); + playerconnection.send(new ClientboundLoginPacket(player.getId(), player.gameMode.getGameModeForPlayer(), player.gameMode.getPreviousGameModeForPlayer(), BiomeManager.obfuscateSeed(worldserver1.getSeed()), worlddata.isHardcore(), this.server.levelKeys(), this.registryHolder, worldserver1.dimensionType(), worldserver1.dimension(), this.getMaxPlayers(), worldserver1.getChunkSource().chunkMap.getLoadViewDistance(), flag1, !flag, worldserver1.isDebug(), worldserver1.isFlat())); // Paper - no-tick view distance player.getBukkitEntity().sendSupportedChannels(); // CraftBukkit playerconnection.send(new ClientboundCustomPayloadPacket(ClientboundCustomPayloadPacket.BRAND, (new FriendlyByteBuf(Unpooled.buffer())).writeUtf(this.getServer().getServerModName()))); playerconnection.send(new ClientboundChangeDifficultyPacket(worlddata.getDifficulty(), worlddata.isDifficultyLocked())); @@ -797,7 +797,7 @@ public abstract class PlayerList { // CraftBukkit start LevelData worlddata = worldserver1.getLevelData(); entityplayer1.connection.send(new ClientboundRespawnPacket(worldserver1.dimensionType(), worldserver1.dimension(), BiomeManager.obfuscateSeed(worldserver1.getSeed()), entityplayer1.gameMode.getGameModeForPlayer(), entityplayer1.gameMode.getPreviousGameModeForPlayer(), worldserver1.isDebug(), worldserver1.isFlat(), flag)); - entityplayer1.connection.send(new ClientboundSetChunkCacheRadiusPacket(worldserver1.spigotConfig.viewDistance)); // Spigot + entityplayer1.connection.send(new ClientboundSetChunkCacheRadiusPacket(worldserver1.getChunkSource().chunkMap.getLoadViewDistance())); // Spigot // Paper - no-tick view distance entityplayer1.setLevel(worldserver1); entityplayer1.unsetRemoved(); entityplayer1.connection.teleport(new Location(worldserver1.getWorld(), entityplayer1.getX(), entityplayer1.getY(), entityplayer1.getZ(), entityplayer1.getYRot(), entityplayer1.getXRot())); @@ -1282,7 +1282,7 @@ public abstract class PlayerList { public void setViewDistance(int viewDistance) { this.viewDistance = viewDistance; - this.broadcastAll(new ClientboundSetChunkCacheRadiusPacket(viewDistance)); + //this.sendAll(new PacketPlayOutViewDistance(i)); // Paper - move into setViewDistance Iterator iterator = this.server.getAllLevels().iterator(); while (iterator.hasNext()) { diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java index d050d60900a6829a9409ef944d7e4fceb5248dc1..a49fdaa7b7a0ed82e4a1ebab0a4fb086e86b8e36 100644 --- a/src/main/java/net/minecraft/world/level/Level.java +++ b/src/main/java/net/minecraft/world/level/Level.java @@ -528,8 +528,13 @@ public abstract class Level implements LevelAccessor, AutoCloseable { this.setBlocksDirty(blockposition, iblockdata1, iblockdata2); } - if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && (this.isClientSide || chunk == null || (chunk.getFullStatus() != null && chunk.getFullStatus().isOrAfter(ChunkHolder.FullChunkStatus.TICKING)))) { // allow chunk to be null here as chunk.isReady() is false when we send our notification during block placement + if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && (this.isClientSide || chunk == null || (chunk.getFullStatus() != null && chunk.getFullStatus().isOrAfter(ChunkHolder.FullChunkStatus.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 this.sendBlockUpdated(blockposition, iblockdata1, iblockdata, i); + // Paper start - per player view distance - allow block updates for non-ticking chunks in player view distance + // if copied from above + } else if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && (this.isClientSide || chunk == null || ((ServerLevel)this).getChunkSource().chunkMap.playerViewDistanceBroadcastMap.getObjectsInRange(MCUtil.getCoordinateKey(blockposition)) != null)) { + ((ServerLevel)this).getChunkSource().blockChanged(blockposition); + // Paper end - per player view distance } if ((i & 1) != 0) { diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java index 515e28eea8cbab261320352ee0db9b877807f3ed..83ed84f89a036d3768b22a36bc8a0bfc2bc29ec7 100644 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java @@ -33,7 +33,10 @@ import net.minecraft.core.Registry; import net.minecraft.core.SectionPos; import net.minecraft.nbt.CompoundTag; import net.minecraft.network.FriendlyByteBuf; +import net.minecraft.network.protocol.Packet; import net.minecraft.server.level.ChunkHolder; +import net.minecraft.server.level.ChunkMap; +import net.minecraft.server.level.ChunkTaskPriorityQueueSorter; import net.minecraft.server.level.ServerChunkCache; import net.minecraft.server.level.ServerLevel; import net.minecraft.util.profiling.ProfilerFiller; @@ -227,7 +230,51 @@ public class LevelChunk implements ChunkAccess { } protected void onNeighbourChange(final long bitsetBefore, final long bitsetAfter) { + // Paper start - no-tick view distance + ServerChunkCache chunkProviderServer = ((ServerLevel)this.level).getChunkSource(); + ChunkMap chunkMap = chunkProviderServer.chunkMap; + // this code handles the addition of ticking tickets - the distance map handles the removal + if (!areNeighboursLoaded(bitsetBefore, 2) && areNeighboursLoaded(bitsetAfter, 2)) { + if (chunkMap.playerViewDistanceTickMap.getObjectsInRange(this.coordinateKey) != null) { + // now we're ready for entity ticking + chunkProviderServer.mainThreadProcessor.execute(() -> { + // double check that this condition still holds. + if (LevelChunk.this.areNeighboursLoaded(2) && chunkMap.playerViewDistanceTickMap.getObjectsInRange(LevelChunk.this.coordinateKey) != null) { + chunkProviderServer.addTicketAtLevel(net.minecraft.server.level.TicketType.PLAYER, LevelChunk.this.chunkPos, 31, LevelChunk.this.chunkPos); // 31 -> entity ticking, TODO check on update + } + }); + } + } + // this code handles the chunk sending + if (!areNeighboursLoaded(bitsetBefore, 1) && areNeighboursLoaded(bitsetAfter, 1)) { + if (chunkMap.playerViewDistanceBroadcastMap.getObjectsInRange(this.coordinateKey) != null) { + // now we're ready to send + chunkMap.mainThreadMailbox.tell(ChunkTaskPriorityQueueSorter.message(chunkMap.getUpdatingChunkIfPresent(this.coordinateKey), (() -> { // Copied frm PlayerChunkMap + // double check that this condition still holds. + if (!LevelChunk.this.areNeighboursLoaded(1)) { + return; + } + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet inRange = chunkMap.playerViewDistanceBroadcastMap.getObjectsInRange(LevelChunk.this.coordinateKey); + if (inRange == null) { + return; + } + + // broadcast + Object[] backingSet = inRange.getBackingSet(); + Packet[] chunkPackets = new Packet[2]; + for (int index = 0, len = backingSet.length; index < len; ++index) { + Object temp = backingSet[index]; + if (!(temp instanceof net.minecraft.server.level.ServerPlayer)) { + continue; + } + net.minecraft.server.level.ServerPlayer player = (net.minecraft.server.level.ServerPlayer)temp; + chunkMap.playerLoadedChunk(player, chunkPackets, LevelChunk.this); + } + }))); + } + } + // Paper end - no-tick view distance } public final boolean isAnyNeighborsLoaded() { @@ -1011,7 +1058,7 @@ public class LevelChunk implements ChunkAccess { BlockState iblockdata = this.getBlockState(blockposition); BlockState iblockdata1 = Block.updateFromNeighbourShapes(iblockdata, (LevelAccessor) this.level, blockposition); - this.level.setBlock(blockposition, iblockdata1, 20); + this.level.setBlock(blockposition, iblockdata1, 20 | 2); // Paper - We send chunks before they're ticking ready, so we need to notify here } this.postProcessing[i].clear(); diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java index 25361c7f0493de56575f6422a86dd0a9406c289f..05eb3dd86a8d24d7e8746cd18efe5e1415ad1a53 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -1896,10 +1896,39 @@ public class CraftWorld extends CraftRegionAccessor implements World { // Spigot start @Override public int getViewDistance() { - return world.spigotConfig.viewDistance; + return getHandle().getChunkSource().chunkMap.getEffectiveViewDistance(); // Paper - no-tick view distance } // Spigot end + // Paper start - per player view distance + @Override + public void setViewDistance(int viewDistance) { + if (viewDistance < 2 || viewDistance > 32) { + throw new IllegalArgumentException("View distance " + viewDistance + " is out of range of [2, 32]"); + } + net.minecraft.server.level.ChunkMap chunkMap = getHandle().getChunkSource().chunkMap; + if (viewDistance != chunkMap.getEffectiveViewDistance()) { + chunkMap.setViewDistance(viewDistance); + } + } + + @Override + public int getNoTickViewDistance() { + return getHandle().getChunkSource().chunkMap.getEffectiveNoTickViewDistance(); + } + + @Override + public void setNoTickViewDistance(int viewDistance) { + if ((viewDistance < 2 || viewDistance > 32) && viewDistance != -1) { + throw new IllegalArgumentException("View distance " + viewDistance + " is out of range of [2, 32]"); + } + net.minecraft.server.level.ChunkMap chunkMap = getHandle().getChunkSource().chunkMap; + if (viewDistance != chunkMap.getRawNoTickViewDistance()) { + chunkMap.setNoTickViewDistance(viewDistance); + } + } + // Paper end - per player view distance + // Spigot start private final org.bukkit.World.Spigot spigot = new org.bukkit.World.Spigot() { diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java index 2574ccd92c43f56e8be71f1bf6857c761a72a510..951e8ba1e05436aa0afcd0a72358550422afa791 100644 --- a/src/main/java/org/spigotmc/ActivationRange.java +++ b/src/main/java/org/spigotmc/ActivationRange.java @@ -188,7 +188,7 @@ public class ActivationRange maxRange = Math.max( maxRange, waterActivationRange ); maxRange = Math.max( maxRange, villagerActivationRange ); // Paper end - maxRange = Math.min( ( world.spigotConfig.viewDistance << 4 ) - 8, maxRange ); + maxRange = Math.min( ( ((net.minecraft.server.level.ServerLevel)world).getChunkSource().chunkMap.getEffectiveViewDistance() << 4 ) - 8, maxRange ); // Paper - no-tick view distance for ( Player player : world.players() ) {