From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Aikar Date: Sat, 11 Apr 2020 03:56:07 -0400 Subject: [PATCH] Implement Chunk Priority / Urgency System for Chunks Mark chunks that are blocking main thread for world generation as urgent Implements a general priority system so that chunks that are sorted in the generator queues can prioritize certain chunks over another. Urgent chunks will jump to the front of the line, ensuring that a sync chunk load on an ungenerated chunk does not lag the server for a long period of time if the servers generator queues are filled with lots of chunks already. This massively reduces the lag spikes from sync chunk gens. Then we further prioritize loading order so nearby chunks have higher priority than distant chunks, reducing the pressure a high no tick view distance holds on you. Chunks in front of the player have higher priority, to help with fast traveling players keep up with their movement. diff --git a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java +++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java @@ -0,0 +0,0 @@ public final class ChunkTaskManager { } static void dumpChunkInfo(Set seenChunks, ChunkHolder chunkHolder, int x, int z) { - dumpChunkInfo(seenChunks, chunkHolder, x, z, 0, 1); + dumpChunkInfo(seenChunks, chunkHolder, x, z, 0, 4); } static void dumpChunkInfo(Set seenChunks, ChunkHolder chunkHolder, int x, int z, int indent, int maxDepth) { @@ -0,0 +0,0 @@ public final class ChunkTaskManager { PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Status - " + ((chunk == null) ? "null chunk" : chunk.getStatus().toString())); PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Ticket Status - " + ChunkHolder.getStatus(chunkHolder.getTicketLevel())); PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Holder Status - " + ((holderStatus == null) ? "null" : holderStatus.toString())); + PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Holder Priority - " + chunkHolder.getCurrentPriority()); + + if (!chunkHolder.neighbors.isEmpty()) { + if (indent >= maxDepth) { + PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Neighbors: (Can't show, too deeply nested)"); + return; + } + PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Neighbors: "); + for (ChunkHolder neighbor : chunkHolder.neighbors.keySet()) { + ChunkStatus status = neighbor.getChunkHolderStatus(); + if (status != null && status.isAtLeastStatus(ChunkHolder.getStatus(neighbor.getTicketLevel()))) { + continue; + } + int nx = neighbor.pos.x; + int nz = neighbor.pos.z; + if (seenChunks.contains(neighbor)) { + PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + " " + nx + "," + nz + " in " + chunkHolder.getWorld().getWorld().getName() + " (CIRCULAR)"); + continue; + } + PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + " " + nx + "," + nz + " in " + chunkHolder.getWorld().getWorld().getName() + ":"); + dumpChunkInfo(seenChunks, neighbor, nx, nz, indent + 1, maxDepth); + } + } + } } diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/MCUtil.java +++ b/src/main/java/net/minecraft/server/MCUtil.java @@ -0,0 +0,0 @@ public final class MCUtil { // sorting by coordinate makes the log easier to read allChunks.sort((ChunkHolder v1, ChunkHolder v2) -> { - if (v1.location.x != v2.location.x) { - return Integer.compare(v1.location.x, v2.location.x); + if (v1.pos.x != v2.pos.x) { + return Integer.compare(v1.pos.x, v2.pos.x); } - return Integer.compare(v1.location.z, v2.location.z); + return Integer.compare(v1.pos.z, v2.pos.z); }); worldData.addProperty("name", world.getWorld().getName()); @@ -0,0 +0,0 @@ public final class MCUtil { for (ChunkHolder playerChunk : allChunks) { JsonObject chunkData = new JsonObject(); - Set> tickets = chunkMapDistance.tickets.get(playerChunk.pos.pair()); + Set> tickets = chunkMapDistance.tickets.get(playerChunk.pos.toLong()); ChunkStatus status = getChunkStatus(playerChunk); - chunkData.addProperty("x", playerChunk.location.x); - chunkData.addProperty("z", playerChunk.location.z); + chunkData.addProperty("x", playerChunk.pos.x); + chunkData.addProperty("z", playerChunk.pos.z); chunkData.addProperty("ticket-level", playerChunk.getTicketLevel()); + chunkData.addProperty("priority", playerChunk.getCurrentPriority()); chunkData.addProperty("state", ChunkHolder.getFullChunkStatus(playerChunk.getTicketLevel()).toString()); - chunkData.addProperty("queued-for-unload", chunkMap.toDrop.contains(playerChunk.pos.pair())); + chunkData.addProperty("queued-for-unload", chunkMap.toDrop.contains(playerChunk.pos.toLong())); chunkData.addProperty("status", status == null ? "unloaded" : status.toString()); JsonArray ticketsData = new JsonArray(); diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java @@ -0,0 +0,0 @@ package net.minecraft.server.level; import com.mojang.datafixers.util.Either; +import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap; // Paper import it.unimi.dsi.fastutil.shorts.ShortArraySet; import it.unimi.dsi.fastutil.shorts.ShortSet; import java.util.List; @@ -0,0 +0,0 @@ import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket; import net.minecraft.network.protocol.game.ClientboundBlockUpdatePacket; import net.minecraft.network.protocol.game.ClientboundLightUpdatePacket; import net.minecraft.network.protocol.game.ClientboundSectionBlocksUpdatePacket; +import net.minecraft.server.MCUtil; import net.minecraft.world.level.ChunkPos; import net.minecraft.world.level.Level; import net.minecraft.world.level.LightLayer; @@ -0,0 +0,0 @@ public class ChunkHolder { private CompletableFuture chunkToSave; public int oldTicketLevel; private int ticketLevel; - private int queueLevel; - final ChunkPos pos; // Paper - private -> package + volatile int queueLevel; public final int getCurrentPriority() { return queueLevel; } // Paper - OBFHELPER - make volatile since this is concurrently accessed + public final ChunkPos pos; // Paper - private -> public private boolean hasChangedSections; private final ShortSet[] changedBlocksPerSection; private int blockChangedLightSectionFilter; @@ -0,0 +0,0 @@ public class ChunkHolder { private boolean resendLight; private final ChunkMap chunkMap; // Paper + public ServerLevel getWorld() { return chunkMap.level; } // Paper long lastAutoSaveTime; // Paper - incremental autosave long inactiveTimeStart; // Paper - incremental autosave @@ -0,0 +0,0 @@ public class ChunkHolder { return null; } // Paper end - no-tick view distance + // Paper start - Chunk gen/load priority system + volatile int neighborPriority = -1; + volatile int priorityBoost = 0; + public final java.util.concurrent.ConcurrentHashMap neighbors = new java.util.concurrent.ConcurrentHashMap<>(); + public final Long2ObjectOpenHashMap neighborPriorities = new Long2ObjectOpenHashMap<>(); + + private int getDemandedPriority() { + int priority = neighborPriority; // if we have a neighbor priority, use it + int myPriority = getMyPriority(); + + if (priority == -1 || (ticketLevel <= 33 && priority > myPriority)) { + priority = myPriority; + } + + return Math.max(1, Math.min(Math.max(ticketLevel, ChunkMap.MAX_CHUNK_DISTANCE), priority)); + } + + private int getMyPriority() { + if (priorityBoost == DistanceManager.URGENT_PRIORITY) { + return 2; // Urgent - ticket level isn't always 31 so 33-30 = 3, but allow 1 more tasks to go below this for dependents + } + return ticketLevel - priorityBoost; + } + + private int getNeighborsPriority() { + return (neighborPriorities.isEmpty() ? getMyPriority() : getDemandedPriority()) + 1; + } + + public void onNeighborRequest(ChunkHolder neighbor, ChunkStatus status) { + neighbor.setNeighborPriority(this, getNeighborsPriority()); + this.neighbors.compute(neighbor, (playerChunk, currentWantedStatus) -> { + if (currentWantedStatus == null || !currentWantedStatus.isAtLeastStatus(status)) { + //System.out.println(this + " request " + neighbor + " at " + status + " currently " + currentWantedStatus); + return status; + } else { + //System.out.println(this + " requested " + neighbor + " at " + status + " but thats lower than other wanted status " + currentWantedStatus); + return currentWantedStatus; + } + }); + + } + + public void onNeighborDone(ChunkHolder neighbor, ChunkStatus chunkstatus, ChunkAccess chunk) { + this.neighbors.compute(neighbor, (playerChunk, wantedStatus) -> { + if (wantedStatus != null && chunkstatus.isAtLeastStatus(wantedStatus)) { + //System.out.println(this + " neighbor done at " + neighbor + " for status " + chunkstatus + " wanted " + wantedStatus); + neighbor.removeNeighborPriority(this); + return null; + } else { + //System.out.println(this + " neighbor finished our previous request at " + neighbor + " for status " + chunkstatus + " but we now want instead " + wantedStatus); + return wantedStatus; + } + }); + } + + private void removeNeighborPriority(ChunkHolder requester) { + synchronized (neighborPriorities) { + neighborPriorities.remove(requester.pos.toLong()); + recalcNeighborPriority(); + } + checkPriority(); + } + + + private void setNeighborPriority(ChunkHolder requester, int priority) { + synchronized (neighborPriorities) { + neighborPriorities.put(requester.pos.toLong(), Integer.valueOf(priority)); + recalcNeighborPriority(); + } + checkPriority(); + } + + private void recalcNeighborPriority() { + neighborPriority = -1; + if (!neighborPriorities.isEmpty()) { + synchronized (neighborPriorities) { + for (Integer neighbor : neighborPriorities.values()) { + if (neighbor < neighborPriority || neighborPriority == -1) { + neighborPriority = neighbor; + } + } + } + } + } + private void checkPriority() { + if (getCurrentPriority() != getDemandedPriority()) this.chunkMap.queueHolderUpdate(this); + } + + public final double getDistance(ServerPlayer player) { + return getDistance(player.getX(), player.getZ()); + } + public final double getDistance(double blockX, double blockZ) { + int cx = MCUtil.fastFloor(blockX) >> 4; + int cz = MCUtil.fastFloor(blockZ) >> 4; + final double x = pos.x - cx; + final double z = pos.z - cz; + return (x * x) + (z * z); + } + + public final double getDistanceFrom(BlockPos pos) { + return getDistance(pos.getX(), pos.getZ()); + } + + @Override + public String toString() { + return "PlayerChunk{" + + "location=" + pos + + ", ticketLevel=" + ticketLevel + "/" + getStatus(this.ticketLevel) + + ", chunkHolderStatus=" + getChunkHolderStatus() + + ", neighborPriority=" + getNeighborsPriority() + + ", priority=(" + ticketLevel + " - " + priorityBoost +" vs N " + neighborPriority + ") = " + getDemandedPriority() + " A " + getCurrentPriority() + + '}'; + } + // Paper end public ChunkHolder(ChunkPos pos, int level, LevelLightEngine lightingProvider, ChunkHolder.LevelChangeListener levelUpdateListener, ChunkHolder.PlayerProvider playersWatchingChunkProvider) { this.futures = new AtomicReferenceArray(ChunkHolder.CHUNK_STATUSES.size()); @@ -0,0 +0,0 @@ public class ChunkHolder { } return null; } + public static ChunkStatus getNextStatus(ChunkStatus status) { + if (status == ChunkStatus.FULL) { + return status; + } + return CHUNK_STATUSES.get(status.getStatusIndex() + 1); + } + public CompletableFuture> getStatusFutureUncheckedMain(ChunkStatus chunkstatus) { + return ensureMain(getFutureIfPresentUnchecked(chunkstatus)); + } + public CompletableFuture ensureMain(CompletableFuture future) { + return future.thenApplyAsync(r -> r, chunkMap.mainInvokingExecutor); + } // Paper end public CompletableFuture> getFutureIfPresentUnchecked(ChunkStatus leastStatus) { @@ -0,0 +0,0 @@ public class ChunkHolder { return this.queueLevel; } + private void setPriority(int i) { setQueueLevel(i); } // Paper - OBFHELPER private void setQueueLevel(int level) { this.queueLevel = level; } @@ -0,0 +0,0 @@ public class ChunkHolder { // CraftBukkit start // ChunkUnloadEvent: Called before the chunk is unloaded: isChunkLoaded is still true and chunk can still be modified by plugins. if (playerchunk_state.isOrAfter(ChunkHolder.FullChunkStatus.BORDER) && !playerchunk_state1.isOrAfter(ChunkHolder.FullChunkStatus.BORDER)) { - this.getFutureIfPresentUnchecked(ChunkStatus.FULL).thenAccept((either) -> { + this.getStatusFutureUncheckedMain(ChunkStatus.FULL).thenAccept((either) -> { // Paper - ensure main LevelChunk chunk = (LevelChunk)either.left().orElse(null); if (chunk != null) { chunkStorage.callbackExecutor.execute(() -> { @@ -0,0 +0,0 @@ public class ChunkHolder { if (!flag2 && flag3) { // Paper start - cache ticking ready status int expectCreateCount = ++this.fullChunkCreateCount; - this.fullChunkFuture = chunkStorage.unpackTicks(this); this.fullChunkFuture.thenAccept((either) -> { + this.fullChunkFuture = chunkStorage.unpackTicks(this); ensureMain(this.fullChunkFuture).thenAccept((either) -> { // Paper - ensure main if (either.left().isPresent() && ChunkHolder.this.fullChunkCreateCount == expectCreateCount) { // note: Here is a very good place to add callbacks to logic waiting on this. LevelChunk fullChunk = either.left().get(); ChunkHolder.this.isFullChunkReady = true; fullChunk.playerChunk = ChunkHolder.this; + this.chunkMap.distanceManager.clearPriorityTickets(pos); } @@ -0,0 +0,0 @@ public class ChunkHolder { if (!flag4 && flag5) { // Paper start - cache ticking ready status - this.tickingChunkFuture = chunkStorage.postProcess(this); this.tickingChunkFuture.thenAccept((either) -> { + this.tickingChunkFuture = chunkStorage.postProcess(this); ensureMain(this.tickingChunkFuture).thenAccept((either) -> { // Paper - ensure main if (either.left().isPresent()) { // note: Here is a very good place to add callbacks to logic waiting on this. LevelChunk tickingChunk = either.left().get(); @@ -0,0 +0,0 @@ public class ChunkHolder { } // Paper start - cache ticking ready status - this.entityTickingChunkFuture = chunkStorage.getEntityTickingRangeFuture(this.pos); this.entityTickingChunkFuture.thenAccept((either) -> { + this.entityTickingChunkFuture = chunkStorage.getEntityTickingRangeFuture(this.pos); ensureMain(this.entityTickingChunkFuture).thenAccept((either) -> { // Paper ensureMain if (either.left().isPresent()) { // note: Here is a very good place to add callbacks to logic waiting on this. LevelChunk entityTickingChunk = either.left().get(); @@ -0,0 +0,0 @@ public class ChunkHolder { this.entityTickingChunkFuture = ChunkHolder.UNLOADED_LEVEL_CHUNK_FUTURE; } - this.onLevelChange.onLevelChange(this.pos, this::getQueueLevel, this.ticketLevel, this::setQueueLevel); + // Paper start - raise IO/load priority if priority changes, use our preferred priority + priorityBoost = chunkMap.distanceManager.getChunkPriority(pos); + int priority = getDemandedPriority(); + if (getCurrentPriority() > priority) { + int ioPriority = com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY; + if (priority <= 10) { + ioPriority = com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY; + } else if (priority <= 20) { + ioPriority = com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGH_PRIORITY; + } + chunkMap.level.asyncChunkTaskManager.raisePriority(pos.x, pos.z, ioPriority); + } + if (getCurrentPriority() != priority) { + this.onLevelChange.onLevelChange(this.pos, this::getCurrentPriority, priority, this::setPriority); // use preferred priority + int neighborsPriority = getNeighborsPriority(); + this.neighbors.forEach((neighbor, neighborDesired) -> neighbor.setNeighborPriority(this, neighborsPriority)); + } + // Paper end this.oldTicketLevel = this.ticketLevel; // CraftBukkit start // ChunkLoadEvent: Called after the chunk is loaded: isChunkLoaded returns true and chunk is ready to be modified by plugins. if (!playerchunk_state.isOrAfter(ChunkHolder.FullChunkStatus.BORDER) && playerchunk_state1.isOrAfter(ChunkHolder.FullChunkStatus.BORDER)) { - this.getFutureIfPresentUnchecked(ChunkStatus.FULL).thenAccept((either) -> { + this.getStatusFutureUncheckedMain(ChunkStatus.FULL).thenAccept((either) -> { // Paper - ensure main LevelChunk chunk = (LevelChunk)either.left().orElse(null); if (chunk != null) { chunkStorage.callbackExecutor.execute(() -> { @@ -0,0 +0,0 @@ public class ChunkHolder { public interface LevelChangeListener { + default void changePriority(ChunkPos chunkcoordintpair, IntSupplier intsupplier, int i, IntConsumer intconsumer) { onLevelChange(chunkcoordintpair, intsupplier, i, intconsumer); } // Paper - OBFHELPER void onLevelChange(ChunkPos pos, IntSupplier levelGetter, int targetLevel, IntConsumer levelSetter); } diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -0,0 +0,0 @@ import it.unimi.dsi.fastutil.ints.Int2ObjectMap; import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap; import it.unimi.dsi.fastutil.longs.Long2ByteMap; import it.unimi.dsi.fastutil.longs.Long2ByteOpenHashMap; +import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap; // Paper import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap; import it.unimi.dsi.fastutil.longs.Long2ObjectMap.Entry; import it.unimi.dsi.fastutil.longs.LongIterator; @@ -0,0 +0,0 @@ import net.minecraft.CrashReport; import net.minecraft.CrashReportCategory; import net.minecraft.ReportedException; import net.minecraft.Util; +import net.minecraft.core.BlockPos; import net.minecraft.core.SectionPos; import net.minecraft.nbt.CompoundTag; import net.minecraft.network.protocol.Packet; @@ -0,0 +0,0 @@ import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.bukkit.entity.Player; // CraftBukkit +import org.spigotmc.AsyncCatcher; public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider { @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider public final ServerLevel level; private final ThreadedLevelLightEngine lightEngine; private final BlockableEventLoop mainThreadExecutor; + final java.util.concurrent.Executor mainInvokingExecutor; // Paper public final ChunkGenerator generator; private final Supplier overworldDataStorage; public final Supplier getWorldPersistentDataSupplier() { return this.overworldDataStorage; } // Paper - OBFHELPER private final PoiManager poiManager; @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider @Override public void execute(Runnable runnable) { + AsyncCatcher.catchOp("Callback Executor execute"); if (queued == null) { queued = new java.util.ArrayDeque<>(); } @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider @Override public void run() { + AsyncCatcher.catchOp("Callback Executor run"); if (queued == null) { return; } @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider this.level = worldserver; this.generator = chunkGenerator; this.mainThreadExecutor = mainThreadExecutor; + // Paper start + this.mainInvokingExecutor = (run) -> { + if (MCUtil.isMainThread()) { + run.run(); + } else { + mainThreadExecutor.execute(run); + } + }; + // Paper end ProcessorMailbox threadedmailbox = ProcessorMailbox.create(workerExecutor, "worldgen"); mainThreadExecutor.getClass(); @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider 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) -> { + checkHighPriorityChunks(player); if (newState.size() != 1) { return; } @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider } ChunkPos chunkPos = new ChunkPos(rangeX, rangeZ); ChunkMap.this.level.getChunkSource().removeTicketAtLevel(TicketType.PLAYER, chunkPos, 31, chunkPos); // entity ticking level, TODO check on update - }); + ChunkMap.this.level.getChunkSource().clearPriorityTickets(chunkPos); + }, (player, prevPos, newPos) -> { + player.lastHighPriorityChecked = -1; // reset and recheck + checkHighPriorityChunks(player); + }); 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, @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider }); // Paper end - no-tick view distance } + // Paper start - Chunk Prioritization + public void queueHolderUpdate(ChunkHolder playerchunk) { + Runnable runnable = () -> { + if (isUnloading(playerchunk)) { + return; // unloaded + } + distanceManager.pendingChunkUpdates.add(playerchunk); + if (!distanceManager.pollingPendingChunkUpdates) { + level.getChunkSource().runDistanceManagerUpdates(); + } + }; + if (MCUtil.isMainThread()) { + // We can't use executor here because it will not execute tasks if its currently in the middle of executing tasks... + runnable.run(); + } else { + mainThreadExecutor.execute(runnable); + } + } + + private boolean isUnloading(ChunkHolder playerchunk) { + return playerchunk == null || toDrop.contains(playerchunk.pos.toLong()); + } + + private void updateChunkPriorityMap(Long2IntOpenHashMap map, long chunk, int level) { + int prev = map.getOrDefault(chunk, -1); + if (level > prev) { + map.put(chunk, level); + } + } + + public void checkHighPriorityChunks(ServerPlayer player) { + int currentTick = MinecraftServer.currentTick; + if (currentTick - player.lastHighPriorityChecked < 20 || !player.isRealPlayer) { // weed out fake players + return; + } + player.lastHighPriorityChecked = currentTick; + Long2IntOpenHashMap priorities = new Long2IntOpenHashMap(); + + int viewDistance = getEffectiveNoTickViewDistance(); + BlockPos.MutableBlockPos pos = new BlockPos.MutableBlockPos(); + + // Prioritize circular near + double playerChunkX = Mth.floor(player.getX()) >> 4; + double playerChunkZ = Mth.floor(player.getZ()) >> 4; + pos.setValues(player.getX(), 0, player.getZ()); + double twoThirdModifier = 2D / 3D; + MCUtil.getSpiralOutChunks(pos, Math.min(6, viewDistance)).forEach(coord -> { + if (shouldSkipPrioritization(coord)) return; + + double dist = MCUtil.distance(playerChunkX, 0, playerChunkZ, coord.x, 0, coord.z); + // Prioritize immediate + if (dist <= 4) { + updateChunkPriorityMap(priorities, coord.toLong(), (int) (27 - dist)); + return; + } + + // Prioritize nearby chunks + updateChunkPriorityMap(priorities, coord.toLong(), (int) (20 - dist * twoThirdModifier)); + }); + + // Prioritize Frustum near 3 + ChunkPos front3 = player.getChunkInFront(3); + pos.setValues(front3.x << 4, 0, front3.z << 4); + MCUtil.getSpiralOutChunks(pos, Math.min(5, viewDistance)).forEach(coord -> { + if (shouldSkipPrioritization(coord)) return; + + double dist = MCUtil.distance(playerChunkX, 0, playerChunkZ, coord.x, 0, coord.z); + updateChunkPriorityMap(priorities, coord.toLong(), (int) (25 - dist * twoThirdModifier)); + }); + + // Prioritize Frustum near 5 + if (viewDistance > 4) { + ChunkPos front5 = player.getChunkInFront(5); + pos.setValues(front5.x << 4, 0, front5.z << 4); + MCUtil.getSpiralOutChunks(pos, 4).forEach(coord -> { + if (shouldSkipPrioritization(coord)) return; + + double dist = MCUtil.distance(playerChunkX, 0, playerChunkZ, coord.x, 0, coord.z); + updateChunkPriorityMap(priorities, coord.toLong(), (int) (25 - dist * twoThirdModifier)); + }); + } + + // Prioritize Frustum far 7 + if (viewDistance > 6) { + ChunkPos front7 = player.getChunkInFront(7); + pos.setValues(front7.x << 4, 0, front7.z << 4); + MCUtil.getSpiralOutChunks(pos, 3).forEach(coord -> { + if (shouldSkipPrioritization(coord)) { + return; + } + double dist = MCUtil.distance(playerChunkX, 0, playerChunkZ, coord.x, 0, coord.z); + updateChunkPriorityMap(priorities, coord.toLong(), (int) (25 - dist * twoThirdModifier)); + }); + } + + if (priorities.isEmpty()) return; + distanceManager.delayDistanceManagerTick = true; + priorities.long2IntEntrySet().fastForEach(entry -> distanceManager.markHighPriority(new ChunkPos(entry.getLongKey()), entry.getIntValue())); + distanceManager.delayDistanceManagerTick = false; + level.getChunkSource().runDistanceManagerUpdates(); + + } + + private boolean shouldSkipPrioritization(ChunkPos coord) { + if (playerViewDistanceNoTickMap.getObjectsInRange(coord.toLong()) == null) return true; + ChunkHolder chunk = getUpdatingChunkIfPresent(coord.toLong()); + return chunk != null && (chunk.isFullChunkReady()); + } + // Paper end public void updatePlayerMobTypeMap(Entity entity) { if (!this.level.paperConfig.perPlayerMobSpawns) { @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider List>> list = Lists.newArrayList(); int j = centerChunk.x; int k = centerChunk.z; + ChunkHolder requestingNeighbor = getUpdatingChunkIfPresent(centerChunk.toLong()); // Paper for (int l = -margin; l <= margin; ++l) { for (int i1 = -margin; i1 <= margin; ++i1) { @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider ChunkStatus chunkstatus = (ChunkStatus) distanceToStatus.apply(j1); CompletableFuture> completablefuture = playerchunk.getOrScheduleFuture(chunkstatus, this); + // Paper start + if (requestingNeighbor != null && requestingNeighbor != playerchunk && !completablefuture.isDone()) { + requestingNeighbor.onNeighborRequest(playerchunk, chunkstatus); + completablefuture.thenAccept(either -> { + requestingNeighbor.onNeighborDone(playerchunk, chunkstatus, either.left().orElse(null)); + }); + } + // Paper end list.add(completablefuture); } @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider }; CompletableFuture chunkSaveFuture = this.level.asyncChunkTaskManager.getChunkSaveFuture(pos.x, pos.z); + ChunkHolder playerChunk = getUpdatingChunkIfPresent(pos.toLong()); + int chunkPriority = playerChunk != null ? playerChunk.getCurrentPriority() : 33; + int priority = com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY; + + if (chunkPriority <= 10) { + priority = com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY; + } else if (chunkPriority <= 20) { + priority = com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGH_PRIORITY; + } + boolean isHighestPriority = priority == com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY; if (chunkSaveFuture != null) { - this.level.asyncChunkTaskManager.scheduleChunkLoad(pos.x, pos.z, - com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGH_PRIORITY, chunkHolderConsumer, false, chunkSaveFuture); - this.level.asyncChunkTaskManager.raisePriority(pos.x, pos.z, com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGH_PRIORITY); + this.level.asyncChunkTaskManager.scheduleChunkLoad(pos.x, pos.z, priority, chunkHolderConsumer, isHighestPriority, chunkSaveFuture); } else { - this.level.asyncChunkTaskManager.scheduleChunkLoad(pos.x, pos.z, - com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY, chunkHolderConsumer, false); + this.level.asyncChunkTaskManager.scheduleChunkLoad(pos.x, pos.z, priority, chunkHolderConsumer, isHighestPriority); } + this.level.asyncChunkTaskManager.raisePriority(pos.x, pos.z, priority); return ret; // Paper end } @@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider long i = playerchunk.getPos().toLong(); playerchunk.getClass(); - mailbox.tell(ChunkTaskPriorityQueueSorter.message(runnable, i, playerchunk::getTicketLevel)); + mailbox.tell(ChunkTaskPriorityQueueSorter.message(runnable, i, () -> 1)); // Paper - final loads are always urgent! }); } diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/level/DistanceManager.java +++ b/src/main/java/net/minecraft/server/level/DistanceManager.java @@ -0,0 +0,0 @@ import java.util.Set; import java.util.concurrent.CompletableFuture; import java.util.concurrent.Executor; import javax.annotation.Nullable; +import net.minecraft.core.BlockPos; import net.minecraft.core.SectionPos; +import net.minecraft.server.MCUtil; +import net.minecraft.server.MinecraftServer; import net.minecraft.util.SortedArraySet; import net.minecraft.util.thread.ProcessorHandle; import net.minecraft.world.level.ChunkPos; @@ -0,0 +0,0 @@ import net.minecraft.world.level.chunk.ChunkStatus; import net.minecraft.world.level.chunk.LevelChunk; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; +import org.spigotmc.AsyncCatcher; // Paper public abstract class DistanceManager { @@ -0,0 +0,0 @@ public abstract class DistanceManager { private final ChunkTaskPriorityQueueSorter ticketThrottler; private final ProcessorHandle> ticketThrottlerInput; private final ProcessorHandle ticketThrottlerReleaser; - private final LongSet ticketsToRelease = new LongOpenHashSet(); + private final LongSet ticketsToRelease = new LongOpenHashSet(); public final LongSet getOnPlayerTicketAddQueue() { return ticketsToRelease; } // Paper - OBFHELPER private final Executor mainThreadExecutor; private long ticketTickCounter; @@ -0,0 +0,0 @@ public abstract class DistanceManager { } private static int getTicketLevelAt(SortedArraySet> arraysetsorted) { + AsyncCatcher.catchOp("ChunkMapDistance::getLowestTicketLevel"); // Paper return !arraysetsorted.isEmpty() ? ((Ticket) arraysetsorted.first()).getTicketLevel() : ChunkMap.MAX_CHUNK_DISTANCE + 1; } @@ -0,0 +0,0 @@ public abstract class DistanceManager { public boolean runAllUpdates(ChunkMap chunkStorage) { //this.f.a(); // Paper - no longer used + AsyncCatcher.catchOp("DistanceManagerTick"); // Paper this.playerTicketManager.runAllUpdates(); int i = Integer.MAX_VALUE - this.ticketTracker.runDistanceUpdates(Integer.MAX_VALUE); boolean flag = i != 0; @@ -0,0 +0,0 @@ public abstract class DistanceManager { // Paper start if (!this.pendingChunkUpdates.isEmpty()) { + this.pollingPendingChunkUpdates = true; try { while(!this.pendingChunkUpdates.isEmpty()) { ChunkHolder remove = this.pendingChunkUpdates.remove(); remove.isUpdateQueued = false; remove.updateFutures(chunkStorage); } + } finally { this.pollingPendingChunkUpdates = false; } // Paper end return true; } else { @@ -0,0 +0,0 @@ public abstract class DistanceManager { return flag; } } + boolean pollingPendingChunkUpdates = false; // Paper private boolean addTicket(long i, Ticket ticket) { // CraftBukkit - void -> boolean + AsyncCatcher.catchOp("ChunkMapDistance::addTicket"); // Paper SortedArraySet> arraysetsorted = this.getTickets(i); int j = getTicketLevelAt(arraysetsorted); Ticket ticket1 = (Ticket) arraysetsorted.addOrGet(ticket); // CraftBukkit - decompile error @@ -0,0 +0,0 @@ public abstract class DistanceManager { } private boolean removeTicket(long i, Ticket ticket) { // CraftBukkit - void -> boolean + AsyncCatcher.catchOp("ChunkMapDistance::removeTicket"); // Paper SortedArraySet> arraysetsorted = this.getTickets(i); + int oldLevel = getTicketLevelAt(arraysetsorted); // Paper boolean removed = false; // CraftBukkit if (arraysetsorted.remove(ticket)) { @@ -0,0 +0,0 @@ public abstract class DistanceManager { this.tickets.remove(i); } - this.ticketTracker.update(i, getTicketLevelAt(arraysetsorted), false); + int newLevel = getTicketLevelAt(arraysetsorted); // Paper + if (newLevel > oldLevel) this.ticketTracker.update(i, newLevel, false); // Paper return removed; // CraftBukkit } @@ -0,0 +0,0 @@ public abstract class DistanceManager { this.addTicketAtLevel(type, pos, level, argument); } + // Paper start + public static final int PRIORITY_TICKET_LEVEL = ChunkMap.MAX_CHUNK_DISTANCE; + public static final int URGENT_PRIORITY = 29; + public boolean delayDistanceManagerTick = false; + public boolean markUrgent(ChunkPos coords) { + return addPriorityTicket(coords, TicketType.URGENT, URGENT_PRIORITY); + } + public boolean markHighPriority(ChunkPos coords, int priority) { + priority = Math.min(URGENT_PRIORITY - 1, Math.max(1, priority)); + return addPriorityTicket(coords, TicketType.PRIORITY, priority); + } + + public void markAreaHighPriority(ChunkPos center, int priority, int radius) { + delayDistanceManagerTick = true; + priority = Math.min(URGENT_PRIORITY - 1, Math.max(1, priority)); + int finalPriority = priority; + MCUtil.getSpiralOutChunks(center.asPosition(), radius).forEach(coords -> { + addPriorityTicket(coords, TicketType.PRIORITY, finalPriority); + }); + delayDistanceManagerTick = false; + chunkMap.level.getChunkSource().runDistanceManagerUpdates(); + } + + public void clearAreaPriorityTickets(ChunkPos center, int radius) { + delayDistanceManagerTick = true; + MCUtil.getSpiralOutChunks(center.asPosition(), radius).forEach(coords -> { + this.removeTicket(coords.toLong(), new Ticket(TicketType.PRIORITY, PRIORITY_TICKET_LEVEL, coords)); + }); + delayDistanceManagerTick = false; + chunkMap.level.getChunkSource().runDistanceManagerUpdates(); + } + + private boolean hasPlayerTicket(ChunkPos coords, int level) { + SortedArraySet> tickets = this.tickets.get(coords.toLong()); + if (tickets == null || tickets.isEmpty()) { + return false; + } + for (Ticket ticket : tickets) { + if (ticket.getType() == TicketType.PLAYER && ticket.getTicketLevel() == level) { + return true; + } + } + + return false; + } + + private boolean addPriorityTicket(ChunkPos coords, TicketType ticketType, int priority) { + AsyncCatcher.catchOp("ChunkMapDistance::addPriorityTicket"); + long pair = coords.toLong(); + ChunkHolder chunk = chunkMap.getUpdatingChunkIfPresent(pair); + boolean needsTicket = chunkMap.playerViewDistanceNoTickMap.getObjectsInRange(pair) != null && !hasPlayerTicket(coords, 33); + + if (needsTicket) { + Ticket ticket = new Ticket<>(TicketType.PLAYER, 33, coords); + getOnPlayerTicketAddQueue().add(pair); + addTicket(pair, ticket); + } + if ((chunk != null && chunk.isFullChunkReady())) { + if (needsTicket) { + chunkMap.level.getChunkSource().runDistanceManagerUpdates(); + } + return needsTicket; + } + + boolean success; + if (!(success = updatePriorityTicket(coords, ticketType, priority))) { + Ticket ticket = new Ticket(ticketType, PRIORITY_TICKET_LEVEL, coords); + ticket.priority = priority; + success = this.addTicket(pair, ticket); + } else { + if (chunk == null) { + chunk = chunkMap.getUpdatingChunkIfPresent(pair); + } + chunkMap.queueHolderUpdate(chunk); + } + + //chunkMap.world.getWorld().spawnParticle(priority <= 15 ? org.bukkit.Particle.EXPLOSION_HUGE : org.bukkit.Particle.EXPLOSION_NORMAL, chunkMap.world.getWorld().getPlayers(), null, coords.x << 4, 70, coords.z << 4, 2, 0, 0, 0, 1, null, true); + + chunkMap.level.getChunkSource().runDistanceManagerUpdates(); + + return success; + } + + private boolean updatePriorityTicket(ChunkPos coords, TicketType type, int priority) { + SortedArraySet> tickets = this.tickets.get(coords.toLong()); + if (tickets == null) { + return false; + } + for (Ticket ticket : tickets) { + if (ticket.getType() == type) { + // We only support increasing, not decreasing, too complicated + ticket.setCurrentTick(this.ticketTickCounter); + ticket.priority = Math.max(ticket.priority, priority); + return true; + } + } + + return false; + } + + public int getChunkPriority(ChunkPos coords) { + AsyncCatcher.catchOp("ChunkMapDistance::getChunkPriority"); + SortedArraySet> tickets = this.tickets.get(coords.toLong()); + if (tickets == null) { + return 0; + } + for (Ticket ticket : tickets) { + if (ticket.getType() == TicketType.URGENT) { + return URGENT_PRIORITY; + } + } + for (Ticket ticket : tickets) { + if (ticket.getType() == TicketType.PRIORITY && ticket.priority > 0) { + return ticket.priority; + } + } + return 0; + } + + public void clearPriorityTickets(ChunkPos coords) { + AsyncCatcher.catchOp("ChunkMapDistance::clearPriority"); + this.removeTicket(coords.toLong(), new Ticket(TicketType.PRIORITY, PRIORITY_TICKET_LEVEL, coords)); + } + + public void clearUrgent(ChunkPos coords) { + AsyncCatcher.catchOp("ChunkMapDistance::clearUrgent"); + this.removeTicket(coords.toLong(), new Ticket(TicketType.URGENT, PRIORITY_TICKET_LEVEL, coords)); + } + // Paper end public boolean addTicketAtLevel(TicketType ticketType, ChunkPos chunkcoordintpair, int level, T identifier) { return this.addTicket(chunkcoordintpair.toLong(), new Ticket<>(ticketType, level, identifier)); // CraftBukkit end @@ -0,0 +0,0 @@ public abstract class DistanceManager { class PlayerTicketTracker extends DistanceManager.FixedPlayerDistanceChunkTracker { - private int viewDistance = 0; + private int viewDistance = 0; private int getViewDistance() { return viewDistance; } private void setViewDistance(int value) { this.viewDistance = value; } // Paper - OBFHELPER private final Long2IntMap queueLevels = Long2IntMaps.synchronize(new Long2IntOpenHashMap()); private final LongSet toUpdate = new LongOpenHashSet(); @@ -0,0 +0,0 @@ public abstract class DistanceManager { public void updateViewDistance(int watchDistance) { ObjectIterator objectiterator = this.chunks.long2ByteEntrySet().iterator(); + // Paper start - set the view distance before scheduling chunk loads/unloads + int lastViewDistance = getViewDistance(); + setViewDistance(watchDistance); + // Paper end while (objectiterator.hasNext()) { Long2ByteMap.Entry it_unimi_dsi_fastutil_longs_long2bytemap_entry = (Long2ByteMap.Entry) objectiterator.next(); // Paper - decompile fix byte b0 = it_unimi_dsi_fastutil_longs_long2bytemap_entry.getByteValue(); long j = it_unimi_dsi_fastutil_longs_long2bytemap_entry.getLongKey(); - this.onLevelChange(j, b0, this.haveTicketFor(b0), b0 <= watchDistance - 2); + this.onLevelChange(j, b0, b0 <= lastViewDistance - 2, this.haveTicketFor(b0)); // Paper } - this.viewDistance = watchDistance; + //this.e = i; // Paper - view distance is now set further up } private void onLevelChange(long pos, int distance, boolean oldWithinViewDistance, boolean withinViewDistance) { if (oldWithinViewDistance != withinViewDistance) { - Ticket ticket = new Ticket<>(TicketType.PLAYER, 33, new ChunkPos(pos)); // Paper - no-tick view distance + ChunkPos coords = new ChunkPos(pos); // Paper + Ticket ticket = new Ticket<>(TicketType.PLAYER, 33, coords); // Paper - no-tick view distance if (withinViewDistance) { - DistanceManager.this.ticketThrottlerInput.tell(ChunkTaskPriorityQueueSorter.message(() -> { + scheduleChunkLoad(pos, MinecraftServer.currentTick, distance, (priority) -> { // Paper - smarter ticket delay based on frustum and distance + // Paper start - recheck its still valid if not cancel + if (!isChunkInRange(pos)) { + DistanceManager.this.ticketThrottlerReleaser.tell(ChunkTaskPriorityQueueSorter.release(() -> { + DistanceManager.this.mainThreadExecutor.execute(() -> { + DistanceManager.this.removeTicket(pos, ticket); + DistanceManager.this.clearPriorityTickets(coords); + }); + }, pos, false)); + return; + } + // abort early if we got a ticket already + if (hasPlayerTicket(coords, 33)) return; + // skip player ticket throttle for near chunks + if (priority <= 3) { + DistanceManager.this.addTicket(pos, ticket); + DistanceManager.this.ticketsToRelease.add(pos); + return; + } + // Paper end + DistanceManager.this.ticketThrottlerInput.tell(ChunkTaskPriorityQueueSorter.message(() -> { // CraftBukkit - decompile error DistanceManager.this.mainThreadExecutor.execute(() -> { - if (this.haveTicketFor(this.getLevel(pos))) { + if (isChunkInRange(pos)) { if (!hasPlayerTicket(coords, 33)) { // Paper - high priority might of already added it DistanceManager.this.addTicket(pos, ticket); DistanceManager.this.ticketsToRelease.add(pos); - } else { - DistanceManager.this.ticketThrottlerReleaser.tell(ChunkTaskPriorityQueueSorter.release(() -> { + }} else { // Paper + DistanceManager.this.ticketThrottlerReleaser.tell(ChunkTaskPriorityQueueSorter.release(() -> { // CraftBukkit - decompile error }, pos, false)); } }); }, pos, () -> { - return distance; + return Math.min(ChunkMap.MAX_CHUNK_DISTANCE, priority); // Paper })); + }); // Paper } else { DistanceManager.this.ticketThrottlerReleaser.tell(ChunkTaskPriorityQueueSorter.release(() -> { DistanceManager.this.mainThreadExecutor.execute(() -> { DistanceManager.this.removeTicket(pos, ticket); + DistanceManager.this.clearPriorityTickets(coords); // Paper }); }, pos, true)); } @@ -0,0 +0,0 @@ public abstract class DistanceManager { } + // Paper start - smart scheduling of player tickets + private boolean isChunkInRange(long i) { + return this.isLoadedChunkLevel(this.getChunkLevel(i)); + } + public void scheduleChunkLoad(long i, long startTick, int initialDistance, java.util.function.Consumer task) { + long elapsed = MinecraftServer.currentTick - startTick; + ChunkPos chunkPos = new ChunkPos(i); + ChunkHolder updatingChunk = chunkMap.getUpdatingChunkIfPresent(i); + if ((updatingChunk != null && updatingChunk.isFullChunkReady()) || !isChunkInRange(i) || getChunkPriority(chunkPos) > 0) { // Copied from above + // no longer needed + task.accept(1); + return; + } + + int desireDelay = 0; + double minDist = Double.MAX_VALUE; + com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet players = chunkMap.playerViewDistanceNoTickMap.getObjectsInRange(i); + if (elapsed == 0 && initialDistance <= 4) { + // Aim for no delay on initial 6 chunk radius tickets save on performance of the below code to only > 6 + minDist = initialDistance; + } else if (players != null) { + Object[] backingSet = players.getBackingSet(); + + BlockPos blockPos = chunkPos.asPosition(); + + boolean isFront = false; + BlockPos.MutableBlockPos pos = new BlockPos.MutableBlockPos(); + for (int index = 0, len = backingSet.length; index < len; ++index) { + if (!(backingSet[index] instanceof ServerPlayer)) { + continue; + } + ServerPlayer player = (ServerPlayer) backingSet[index]; + + ChunkPos pointInFront = player.getChunkInFront(5); + pos.setValues(pointInFront.x << 4, 0, pointInFront.z << 4); + double frontDist = MCUtil.distanceSq(pos, blockPos); + + pos.setValues(player.getX(), 0, player.getZ()); + double center = MCUtil.distanceSq(pos, blockPos); + + double dist = Math.min(frontDist, center); + if (!isFront) { + ChunkPos pointInBack = player.getChunkInFront(-7); + pos.setValues(pointInBack.x << 4, 0, pointInBack.z << 4); + double backDist = MCUtil.distanceSq(pos, blockPos); + if (frontDist < backDist) { + isFront = true; + } + } + if (dist < minDist) { + minDist = dist; + } + } + if (minDist == Double.MAX_VALUE) { + minDist = 15; + } else { + minDist = Math.sqrt(minDist) / 16; + } + if (minDist > 4) { + int desiredTimeDelayMax = isFront ? + (minDist < 10 ? 7 : 15) : // Front + (minDist < 10 ? 15 : 45); // Back + desireDelay += (desiredTimeDelayMax * 20) * (minDist / 32); + } + } else { + minDist = initialDistance; + desireDelay = 1; + } + long delay = desireDelay - elapsed; + if (delay <= 0 && minDist > 4 && minDist < Double.MAX_VALUE) { + boolean hasAnyNeighbor = false; + for (int x = -1; x <= 1; x++) { + for (int z = -1; z <= 1; z++) { + if (x == 0 && z == 0) continue; + long pair = ChunkPos.asLong(chunkPos.x + x, chunkPos.z + z); + ChunkHolder neighbor = chunkMap.getUpdatingChunkIfPresent(pair); + ChunkStatus current = neighbor != null ? neighbor.getChunkHolderStatus() : null; + if (current != null && current.isAtLeastStatus(ChunkStatus.LIGHT)) { + hasAnyNeighbor = true; + } + } + } + if (!hasAnyNeighbor) { + delay += 20; + } + } + if (delay <= 0) { + task.accept((int) minDist); + } else { + int taskDelay = (int) Math.min(delay, minDist >= 10 ? 40 : (minDist < 6 ? 5 : 20)); + MCUtil.scheduleTask(taskDelay, () -> scheduleChunkLoad(i, startTick, initialDistance, task), "Player Ticket Delayer"); + } + } + // Paper end + @Override public void runAllUpdates() { super.runAllUpdates(); @@ -0,0 +0,0 @@ public abstract class DistanceManager { } + private boolean isLoadedChunkLevel(int i) { return haveTicketFor(i); } // Paper - OBFHELPER private boolean haveTicketFor(int distance) { return distance <= this.viewDistance - 2; } @@ -0,0 +0,0 @@ public abstract class DistanceManager { this.chunks.defaultReturnValue((byte) (i + 2)); } + protected final int getChunkLevel(long i) { return getLevel(i); } // Paper - OBFHELPER @Override protected int getLevel(long id) { return this.chunks.get(id); diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java @@ -0,0 +0,0 @@ public class ServerChunkCache extends ChunkSource { public void removeTicketAtLevel(TicketType ticketType, ChunkPos chunkPos, int ticketLevel, T identifier) { this.distanceManager.removeTicketAtLevel(ticketType, chunkPos, ticketLevel, identifier); } + + public boolean markUrgent(ChunkPos coords) { + return this.distanceManager.markUrgent(coords); + } + + public boolean markHighPriority(ChunkPos coords, int priority) { + return this.distanceManager.markHighPriority(coords, priority); + } + + public void markAreaHighPriority(ChunkPos center, int priority, int radius) { + this.distanceManager.markAreaHighPriority(center, priority, radius); + } + + public void clearAreaPriorityTickets(ChunkPos center, int radius) { + this.distanceManager.clearAreaPriorityTickets(center, radius); + } + + public void clearPriorityTickets(ChunkPos coords) { + this.distanceManager.clearPriorityTickets(coords); + } // Paper end @Nullable @@ -0,0 +0,0 @@ public class ServerChunkCache extends ChunkSource { if (!completablefuture.isDone()) { // Paper // Paper start - async chunk io/loading + ChunkPos pair = new ChunkPos(x1, z1); + this.distanceManager.markUrgent(pair); this.level.asyncChunkTaskManager.raisePriority(x1, z1, com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY); com.destroystokyo.paper.io.chunk.ChunkTaskManager.pushChunkWait(this.level, x1, z1); // Paper end @@ -0,0 +0,0 @@ public class ServerChunkCache extends ChunkSource { this.mainThreadProcessor.managedBlock(completablefuture::isDone); com.destroystokyo.paper.io.chunk.ChunkTaskManager.popChunkWait(); // Paper - async chunk debug this.level.timings.syncChunkLoad.stopTiming(); // Paper + this.distanceManager.clearPriorityTickets(pair); // Paper + this.distanceManager.clearUrgent(pair); // Paper } // Paper ichunkaccess = (ChunkAccess) ((Either) completablefuture.join()).map((ichunkaccess1) -> { return ichunkaccess1; @@ -0,0 +0,0 @@ public class ServerChunkCache extends ChunkSource { if (flag && !currentlyUnloading) { // CraftBukkit end this.distanceManager.addTicket(TicketType.UNKNOWN, chunkcoordintpair, l, chunkcoordintpair); + if (isUrgent) this.distanceManager.markUrgent(chunkcoordintpair); // Paper if (this.chunkAbsent(playerchunk, l)) { ProfilerFiller gameprofilerfiller = this.level.getProfiler(); gameprofilerfiller.push("chunkLoad"); + distanceManager.delayDistanceManagerTick = false; // Paper - ensure this is never false this.runDistanceManagerUpdates(); playerchunk = this.getVisibleChunkIfPresent(k); gameprofilerfiller.pop(); @@ -0,0 +0,0 @@ public class ServerChunkCache extends ChunkSource { } } } - - return this.chunkAbsent(playerchunk, l) ? ChunkHolder.UNLOADED_CHUNK_FUTURE : playerchunk.getOrScheduleFuture(chunkstatus, this.chunkMap); + // Paper start + CompletableFuture> future = this.chunkAbsent(playerchunk, l) ? ChunkHolder.UNLOADED_CHUNK_FUTURE : playerchunk.getOrScheduleFuture(chunkstatus, this.chunkMap); + if (isUrgent) { + future.thenAccept(either -> this.distanceManager.clearUrgent(chunkcoordintpair)); + } + return future; + // Paper end } private boolean chunkAbsent(@Nullable ChunkHolder holder, int maxLevel) { @@ -0,0 +0,0 @@ public class ServerChunkCache extends ChunkSource { } public boolean runDistanceManagerUpdates() { // Paper - private -> public + if (distanceManager.delayDistanceManagerTick) return false; // Paper boolean flag = this.distanceManager.runAllUpdates(this.chunkMap); boolean flag1 = this.chunkMap.promoteChunkMap(); diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java @@ -0,0 +0,0 @@ import net.minecraft.network.protocol.game.ClientboundUpdateMobEffectPacket; import net.minecraft.network.protocol.game.ServerboundClientInformationPacket; import net.minecraft.resources.ResourceKey; import net.minecraft.resources.ResourceLocation; +import net.minecraft.server.MCUtil; import net.minecraft.server.MinecraftServer; import net.minecraft.server.PlayerAdvancements; import net.minecraft.server.network.ServerGamePacketListenerImpl; @@ -0,0 +0,0 @@ public class ServerPlayer extends Player implements ContainerListener { private int lastRecordedArmor = Integer.MIN_VALUE; private int lastRecordedLevel = Integer.MIN_VALUE; private int lastRecordedExperience = Integer.MIN_VALUE; + public long lastHighPriorityChecked; // Paper + public void forceCheckHighPriority() { + lastHighPriorityChecked = -1; + getLevel().getChunkSource().chunkMap.checkHighPriorityChunks(this); + } + public boolean isRealPlayer; // Paper private float lastSentHealth = -1.0E8F; private int lastSentFood = -99999999; private boolean lastFoodSaturationZero = true; @@ -0,0 +0,0 @@ public class ServerPlayer extends Player implements ContainerListener { this.maxHealthCache = this.getMaxHealth(); this.cachedSingleMobDistanceMap = new com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper } + // Paper start + public BlockPos getPointInFront(double inFront) { + double rads = Math.toRadians(MCUtil.normalizeYaw(this.yRot+90)); // MC rotates yaw 90 for some odd reason + final double x = getX() + inFront * Math.cos(rads); + final double z = getZ() + inFront * Math.sin(rads); + return new BlockPos(x, getY(), z); + } + + public ChunkPos getChunkInFront(double inFront) { + double rads = Math.toRadians(MCUtil.normalizeYaw(this.yRot+90)); // MC rotates yaw 90 for some odd reason + final double x = getX() + (inFront * 16) * Math.cos(rads); + final double z = getZ() + (inFront * 16) * Math.sin(rads); + return new ChunkPos(Mth.floor(x) >> 4, Mth.floor(z) >> 4); + } + // Paper end // Yes, this doesn't match Vanilla, but it's the best we can do for now. // If this is an issue, PRs are welcome @@ -0,0 +0,0 @@ public class ServerPlayer extends Player implements ContainerListener { if (valid && !this.isSpectator() || this.level.hasChunkAt(this.blockPosition())) { // Paper - don't tick dead players that are not in the world currently (pending respawn) super.tick(); } + if (valid && isAlive() && connection != null) ((ServerLevel)level).getChunkSource().chunkMap.checkHighPriorityChunks(this); // Paper for (int i = 0; i < this.inventory.getContainerSize(); ++i) { ItemStack itemstack = this.inventory.getItem(i); diff --git a/src/main/java/net/minecraft/server/level/Ticket.java b/src/main/java/net/minecraft/server/level/Ticket.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/level/Ticket.java +++ b/src/main/java/net/minecraft/server/level/Ticket.java @@ -0,0 +0,0 @@ public final class Ticket implements Comparable> { private final int ticketLevel; public final T key; public final T getObjectReason() { return this.key; } // Paper - OBFHELPER private long createdTick; public final long getCreationTick() { return this.createdTick; } // Paper - OBFHELPER + public int priority = 0; // Paper protected Ticket(TicketType type, int level, T argument) { this.type = type; @@ -0,0 +0,0 @@ public final class Ticket implements Comparable> { return this.ticketLevel; } + public final void setCurrentTick(long i) { this.setCreatedTick(i); } // Paper - OBFHELPER protected void setCreatedTick(long tickCreated) { this.createdTick = tickCreated; } diff --git a/src/main/java/net/minecraft/server/level/TicketType.java b/src/main/java/net/minecraft/server/level/TicketType.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/level/TicketType.java +++ b/src/main/java/net/minecraft/server/level/TicketType.java @@ -0,0 +0,0 @@ public class TicketType { public static final TicketType PLUGIN_TICKET = create("plugin_ticket", (plugin1, plugin2) -> plugin1.getClass().getName().compareTo(plugin2.getClass().getName())); // CraftBukkit public static final TicketType FUTURE_AWAIT = create("future_await", Long::compareTo); // Paper public static final TicketType ASYNC_LOAD = create("async_load", Long::compareTo); // Paper + public static final TicketType PRIORITY = create("priority", Comparator.comparingLong(ChunkPos::toLong), 300); // Paper + public static final TicketType URGENT = create("urgent", Comparator.comparingLong(ChunkPos::toLong), 300); // Paper public static TicketType create(String name, Comparator comparator) { return new TicketType<>(name, comparator, 0L); diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java @@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl implements ServerGamePacketListener { this.awaitingTeleportTime = this.tickCount; this.player.absMoveTo(d0, d1, d2, f, f1); + this.player.forceCheckHighPriority(); // Paper this.player.connection.send(new ClientboundPlayerPositionPacket(d0 - d3, d1 - d4, d2 - d5, f - f2, f1 - f3, set, this.awaitingTeleport)); } diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/server/players/PlayerList.java +++ b/src/main/java/net/minecraft/server/players/PlayerList.java @@ -0,0 +0,0 @@ public abstract class PlayerList { final ChunkPos pos = new ChunkPos(chunkX, chunkZ); ChunkMap playerChunkMap = worldserver1.getChunkSource().chunkMap; playerChunkMap.getChunkDistanceManager().addTicketAtLevel(TicketType.LOGIN, pos, 31, pos.toLong()); - worldserver1.getChunkSource().runDistanceManagerUpdates(); - worldserver1.getChunkSource().getChunkAtAsynchronously(chunkX, chunkZ, true, true).thenApply(chunk -> { + worldserver1.getChunkSource().markAreaHighPriority(pos, 28, 3); + worldserver1.getChunkSource().getChunkAtAsynchronously(chunkX, chunkZ, true, false).thenApply(chunk -> { ChunkHolder updatingChunk = playerChunkMap.getUpdatingChunkIfPresent(pos.toLong()); if (updatingChunk != null) { return updatingChunk.getEntityTickingFuture(); @@ -0,0 +0,0 @@ public abstract class PlayerList { SocketAddress socketaddress = loginlistener.connection.getRemoteAddress(); ServerPlayer entity = new ServerPlayer(this.server, this.server.getLevel(Level.OVERWORLD), gameprofile, new ServerPlayerGameMode(this.server.getLevel(Level.OVERWORLD))); + entity.isRealPlayer = true; // Paper Player player = entity.getBukkitEntity(); PlayerLoginEvent event = new PlayerLoginEvent(player, hostname, ((java.net.InetSocketAddress) socketaddress).getAddress(), ((java.net.InetSocketAddress) loginlistener.connection.getRawAddress()).getAddress()); @@ -0,0 +0,0 @@ public abstract class PlayerList { // CraftBukkit end worldserver1.getChunkSource().addRegionTicket(TicketType.POST_TELEPORT, new ChunkPos(location.getBlockX() >> 4, location.getBlockZ() >> 4), 1, entityplayer.getId()); // Paper + entityplayer1.forceCheckHighPriority(); // Player while (avoidSuffocation && !worldserver1.noCollision(entityplayer1) && entityplayer1.getY() < 256.0D) { entityplayer1.setPos(entityplayer1.getX(), entityplayer1.getY() + 1.0D, entityplayer1.getZ()); } diff --git a/src/main/java/net/minecraft/world/level/ChunkPos.java b/src/main/java/net/minecraft/world/level/ChunkPos.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/net/minecraft/world/level/ChunkPos.java +++ b/src/main/java/net/minecraft/world/level/ChunkPos.java @@ -0,0 +0,0 @@ public class ChunkPos { return "[" + this.x + ", " + this.z + "]"; } + public final BlockPos asPosition() { return getWorldPosition(); } // Paper - OBFHELPER public BlockPos getWorldPosition() { return new BlockPos(this.getMinBlockX(), 0, this.getMinBlockZ()); } diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -0,0 +0,0 @@ public class CraftWorld implements World { return future; } + if (!urgent) { + // if not urgent, at least use a slightly boosted priority + world.getChunkSource().markHighPriority(new ChunkPos(x, z), 1); + } return this.world.getChunkSource().getChunkAtAsynchronously(x, z, gen, urgent).thenComposeAsync((either) -> { net.minecraft.world.level.chunk.LevelChunk chunk = (net.minecraft.world.level.chunk.LevelChunk) either.left().orElse(null); return CompletableFuture.completedFuture(chunk == null ? null : chunk.getBukkitChunk()); diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -0,0 +0,0 @@ import net.minecraft.server.level.ServerLevel; import net.minecraft.server.level.ServerPlayer; import net.minecraft.server.network.ServerGamePacketListenerImpl; import net.minecraft.server.players.UserWhiteListEntry; +import net.minecraft.util.Mth; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.ExperienceOrb; import net.minecraft.world.entity.LivingEntity; @@ -0,0 +0,0 @@ import net.minecraft.world.entity.ai.attributes.Attributes; import net.minecraft.world.inventory.AbstractContainerMenu; import net.minecraft.world.item.enchantment.EnchantmentHelper; import net.minecraft.world.item.enchantment.Enchantments; +import net.minecraft.world.level.ChunkPos; import net.minecraft.world.level.GameType; import net.minecraft.world.level.biome.BiomeManager; import net.minecraft.world.level.block.entity.SignBlockEntity; @@ -0,0 +0,0 @@ public class CraftPlayer extends CraftHumanEntity implements Player { throw new UnsupportedOperationException("Cannot set rotation of players. Consider teleporting instead."); } + // Paper start + @Override + public java.util.concurrent.CompletableFuture teleportAsync(Location loc, @javax.annotation.Nonnull PlayerTeleportEvent.TeleportCause cause) { + ((CraftWorld)loc.getWorld()).getHandle().getChunkSource().markAreaHighPriority(new ChunkPos(Mth.floor(loc.getX()) >> 4, Mth.floor(loc.getZ()) >> 4), 28, 3); // Paper - load area high priority + return super.teleportAsync(loc, cause); + } + // Paper end + @Override public boolean teleport(Location location, PlayerTeleportEvent.TeleportCause cause) { Preconditions.checkArgument(location != null, "location");