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Paper/Spigot-Server-Patches/0497-Implement-Chunk-Priority-Urgency-System-for-Chunks.patch
Aikar b3f265d1b1
Updated Upstream (Bukkit/CraftBukkit/Spigot) 
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
0ca45a21 #503: Add PlayerHarvestBlockEvent
dfa80a52 SPIGOT-5930: Add PlayerRespawnEvent#isAnchorSpawn

CraftBukkit Changes:
145921e2 #676: Add PlayerHarvestBlockEvent
47abffa2 SPIGOT-5929: Angered zombified piglins do not inherit killed_by_player status
7f6b4f58 SPIGOT-5930: Add PlayerRespawnEvent#isAnchorSpawn
94eff632 SPIGOT-5867, MC-193339: NPE during shutdown when rcon enabled with no password
068618eb SPIGOT-5927: Some items NBT data disappears

Spigot Changes:
beb7d47c Rebuild patches

Fixes #3738
2020-07-03 02:19:33 -04:00

1244 Zeilen
65 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
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 49a594e5f345096cb3b9913b8ee2760795c5f012..bcb7ce2692c5bc1a6214c3a384949666107864fb 100644
--- a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
+++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
@@ -4,7 +4,10 @@ import com.destroystokyo.paper.io.PaperFileIOThread;
import com.destroystokyo.paper.io.IOUtil;
import com.destroystokyo.paper.io.PrioritizedTaskQueue;
import com.destroystokyo.paper.io.QueueExecutorThread;
+import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
+import net.minecraft.server.ChunkCoordIntPair;
import net.minecraft.server.ChunkRegionLoader;
+import net.minecraft.server.ChunkStatus;
import net.minecraft.server.IAsyncTaskHandler;
import net.minecraft.server.IChunkAccess;
import net.minecraft.server.MinecraftServer;
@@ -106,7 +109,7 @@ public final class ChunkTaskManager {
}
static void dumpChunkInfo(Set<PlayerChunk> seenChunks, PlayerChunk chunkHolder, int x, int z) {
- dumpChunkInfo(seenChunks, chunkHolder, x, z, 0, 1);
+ dumpChunkInfo(seenChunks, chunkHolder, x, z, 0, 4);
}
static void dumpChunkInfo(Set<PlayerChunk> seenChunks, PlayerChunk chunkHolder, int x, int z, int indent, int maxDepth) {
@@ -127,6 +130,30 @@ public final class ChunkTaskManager {
PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Status - " + ((chunk == null) ? "null chunk" : chunk.getChunkStatus().toString()));
PaperFileIOThread.LOGGER.log(Level.ERROR, indentStr + "Chunk Ticket Status - " + PlayerChunk.getChunkStatus(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 (PlayerChunk neighbor : chunkHolder.neighbors.keySet()) {
+ ChunkStatus status = neighbor.getChunkHolderStatus();
+ if (status != null && status.isAtLeastStatus(PlayerChunk.getChunkStatus(neighbor.getTicketLevel()))) {
+ continue;
+ }
+ int nx = neighbor.location.x;
+ int nz = neighbor.location.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/ChunkCoordIntPair.java b/src/main/java/net/minecraft/server/ChunkCoordIntPair.java
index 35b8a85d1280ba3be757b14b14388954ac1617d4..f47a6e0027de6886991aad5bcb98a04157aeb846 100644
--- a/src/main/java/net/minecraft/server/ChunkCoordIntPair.java
+++ b/src/main/java/net/minecraft/server/ChunkCoordIntPair.java
@@ -108,6 +108,7 @@ public class ChunkCoordIntPair {
return "[" + this.x + ", " + this.z + "]";
}
+ public final BlockPosition asPosition() { return l(); } // Paper - OBFHELPER
public BlockPosition l() {
return new BlockPosition(this.d(), 0, this.e());
}
diff --git a/src/main/java/net/minecraft/server/ChunkMapDistance.java b/src/main/java/net/minecraft/server/ChunkMapDistance.java
index c072f61e8c88eac8335acd660d8ff0e2f9db819e..4c4108705e9d25912e57a7b3c28b4f1abad58377 100644
--- a/src/main/java/net/minecraft/server/ChunkMapDistance.java
+++ b/src/main/java/net/minecraft/server/ChunkMapDistance.java
@@ -23,6 +23,7 @@ import java.util.concurrent.Executor;
import javax.annotation.Nullable;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+import org.spigotmc.AsyncCatcher; // Paper
public abstract class ChunkMapDistance {
@@ -46,7 +47,7 @@ public abstract class ChunkMapDistance {
private final ChunkTaskQueueSorter i;
private final Mailbox<ChunkTaskQueueSorter.a<Runnable>> j;
private final Mailbox<ChunkTaskQueueSorter.b> k;
- private final LongSet l = new LongOpenHashSet();
+ private final LongSet l = new LongOpenHashSet(); LongSet getOnPlayerTicketAddQueue() { return l; } // Paper - OBFHELPER
private final Executor m;
private long currentTick;
@@ -84,6 +85,7 @@ public abstract class ChunkMapDistance {
}
private static int getLowestTicketLevel(ArraySetSorted<Ticket<?>> arraysetsorted) {
+ AsyncCatcher.catchOp("ChunkMapDistance::getLowestTicketLevel"); // Paper
return !arraysetsorted.isEmpty() ? ((Ticket) arraysetsorted.b()).b() : PlayerChunkMap.GOLDEN_TICKET + 1;
}
@@ -97,6 +99,7 @@ public abstract class ChunkMapDistance {
public boolean a(PlayerChunkMap playerchunkmap) {
//this.f.a(); // Paper - no longer used
+ AsyncCatcher.catchOp("DistanceManagerTick"); // Paper
this.g.a();
int i = Integer.MAX_VALUE - this.ticketLevelTracker.a(Integer.MAX_VALUE);
boolean flag = i != 0;
@@ -107,11 +110,13 @@ public abstract class ChunkMapDistance {
// Paper start
if (!this.pendingChunkUpdates.isEmpty()) {
+ this.pollingPendingChunkUpdates = true; try {
while(!this.pendingChunkUpdates.isEmpty()) {
PlayerChunk remove = this.pendingChunkUpdates.remove();
remove.isUpdateQueued = false;
remove.a(playerchunkmap);
}
+ } finally { this.pollingPendingChunkUpdates = false; }
// Paper end
return true;
} else {
@@ -147,8 +152,10 @@ public abstract class ChunkMapDistance {
return flag;
}
}
+ boolean pollingPendingChunkUpdates = false; // Paper
private boolean addTicket(long i, Ticket<?> ticket) { // CraftBukkit - void -> boolean
+ AsyncCatcher.catchOp("ChunkMapDistance::addTicket"); // Paper
ArraySetSorted<Ticket<?>> arraysetsorted = this.e(i);
int j = getLowestTicketLevel(arraysetsorted);
Ticket<?> ticket1 = (Ticket) arraysetsorted.a(ticket); // CraftBukkit - decompile error
@@ -162,7 +169,9 @@ public abstract class ChunkMapDistance {
}
private boolean removeTicket(long i, Ticket<?> ticket) { // CraftBukkit - void -> boolean
+ AsyncCatcher.catchOp("ChunkMapDistance::removeTicket"); // Paper
ArraySetSorted<Ticket<?>> arraysetsorted = this.e(i);
+ int oldLevel = getLowestTicketLevel(arraysetsorted); // Paper
boolean removed = false; // CraftBukkit
if (arraysetsorted.remove(ticket)) {
@@ -173,7 +182,8 @@ public abstract class ChunkMapDistance {
this.tickets.remove(i);
}
- this.ticketLevelTracker.update(i, getLowestTicketLevel(arraysetsorted), false);
+ int newLevel = getLowestTicketLevel(arraysetsorted); // Paper
+ if (newLevel > oldLevel) this.ticketLevelTracker.update(i, newLevel, false); // Paper
return removed; // CraftBukkit
}
@@ -182,6 +192,135 @@ public abstract class ChunkMapDistance {
this.addTicketAtLevel(tickettype, chunkcoordintpair, i, t0);
}
+ // Paper start
+ public static final int PRIORITY_TICKET_LEVEL = PlayerChunkMap.GOLDEN_TICKET;
+ public static final int URGENT_PRIORITY = 29;
+ public boolean delayDistanceManagerTick = false;
+ public boolean markUrgent(ChunkCoordIntPair coords) {
+ return addPriorityTicket(coords, TicketType.URGENT, URGENT_PRIORITY);
+ }
+ public boolean markHighPriority(ChunkCoordIntPair coords, int priority) {
+ priority = Math.min(URGENT_PRIORITY - 1, Math.max(1, priority));
+ return addPriorityTicket(coords, TicketType.PRIORITY, priority);
+ }
+
+ public void markAreaHighPriority(ChunkCoordIntPair 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.world.getChunkProvider().tickDistanceManager();
+ }
+
+ public void clearAreaPriorityTickets(ChunkCoordIntPair center, int radius) {
+ delayDistanceManagerTick = true;
+ MCUtil.getSpiralOutChunks(center.asPosition(), radius).forEach(coords -> {
+ this.removeTicket(coords.pair(), new Ticket<ChunkCoordIntPair>(TicketType.PRIORITY, PRIORITY_TICKET_LEVEL, coords));
+ });
+ delayDistanceManagerTick = false;
+ chunkMap.world.getChunkProvider().tickDistanceManager();
+ }
+
+ private boolean hasPlayerTicket(ChunkCoordIntPair coords, int level) {
+ ArraySetSorted<Ticket<?>> tickets = this.tickets.get(coords.pair());
+ if (tickets == null || tickets.isEmpty()) {
+ return false;
+ }
+ for (Ticket<?> ticket : tickets) {
+ if (ticket.getTicketType() == TicketType.PLAYER && ticket.getTicketLevel() == level) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ private boolean addPriorityTicket(ChunkCoordIntPair coords, TicketType<ChunkCoordIntPair> ticketType, int priority) {
+ AsyncCatcher.catchOp("ChunkMapDistance::addPriorityTicket");
+ long pair = coords.pair();
+ PlayerChunk chunk = chunkMap.getUpdatingChunk(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.world.getChunkProvider().tickDistanceManager();
+ }
+ return needsTicket;
+ }
+
+ boolean success;
+ if (!(success = updatePriorityTicket(coords, ticketType, priority))) {
+ Ticket<ChunkCoordIntPair> ticket = new Ticket<ChunkCoordIntPair>(ticketType, PRIORITY_TICKET_LEVEL, coords);
+ ticket.priority = priority;
+ success = this.addTicket(pair, ticket);
+ } else {
+ if (chunk == null) {
+ chunk = chunkMap.getUpdatingChunk(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.world.getChunkProvider().tickDistanceManager();
+
+ return success;
+ }
+
+ private boolean updatePriorityTicket(ChunkCoordIntPair coords, TicketType<ChunkCoordIntPair> type, int priority) {
+ ArraySetSorted<Ticket<?>> tickets = this.tickets.get(coords.pair());
+ if (tickets == null) {
+ return false;
+ }
+ for (Ticket<?> ticket : tickets) {
+ if (ticket.getTicketType() == type) {
+ // We only support increasing, not decreasing, too complicated
+ ticket.setCurrentTick(this.currentTick);
+ ticket.priority = Math.max(ticket.priority, priority);
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public int getChunkPriority(ChunkCoordIntPair coords) {
+ AsyncCatcher.catchOp("ChunkMapDistance::getChunkPriority");
+ ArraySetSorted<Ticket<?>> tickets = this.tickets.get(coords.pair());
+ if (tickets == null) {
+ return 0;
+ }
+ for (Ticket<?> ticket : tickets) {
+ if (ticket.getTicketType() == TicketType.URGENT) {
+ return URGENT_PRIORITY;
+ }
+ }
+ for (Ticket<?> ticket : tickets) {
+ if (ticket.getTicketType() == TicketType.PRIORITY && ticket.priority > 0) {
+ return ticket.priority;
+ }
+ }
+ return 0;
+ }
+
+ public void clearPriorityTickets(ChunkCoordIntPair coords) {
+ AsyncCatcher.catchOp("ChunkMapDistance::clearPriority");
+ this.removeTicket(coords.pair(), new Ticket<ChunkCoordIntPair>(TicketType.PRIORITY, PRIORITY_TICKET_LEVEL, coords));
+ }
+
+ public void clearUrgent(ChunkCoordIntPair coords) {
+ AsyncCatcher.catchOp("ChunkMapDistance::clearUrgent");
+ this.removeTicket(coords.pair(), new Ticket<ChunkCoordIntPair>(TicketType.URGENT, PRIORITY_TICKET_LEVEL, coords));
+ }
+ // Paper end
public <T> boolean addTicketAtLevel(TicketType<T> ticketType, ChunkCoordIntPair chunkcoordintpair, int level, T identifier) {
return this.addTicket(chunkcoordintpair.pair(), new Ticket<>(ticketType, level, identifier));
// CraftBukkit end
@@ -381,27 +520,50 @@ public abstract class ChunkMapDistance {
private void a(long i, int j, boolean flag, boolean flag1) {
if (flag != flag1) {
- Ticket<?> ticket = new Ticket<>(TicketType.PLAYER, 33, new ChunkCoordIntPair(i)); // Paper - no-tick view distance
+ ChunkCoordIntPair coords = new ChunkCoordIntPair(i); // Paper
+ Ticket<?> ticket = new Ticket<>(TicketType.PLAYER, 33, coords); // Paper - no-tick view distance
if (flag1) {
- ChunkMapDistance.this.j.a(ChunkTaskQueueSorter.a(() -> {
+ scheduleChunkLoad(i, MinecraftServer.currentTick, j, (priority) -> { // Paper - smarter ticket delay based on frustum and distance
+ // Paper start - recheck its still valid if not cancel
+ if (!isChunkInRange(i)) {
+ ChunkMapDistance.this.k.a(ChunkTaskQueueSorter.a(() -> {
+ ChunkMapDistance.this.m.execute(() -> {
+ ChunkMapDistance.this.removeTicket(i, ticket);
+ ChunkMapDistance.this.clearPriorityTickets(coords);
+ });
+ }, i, 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) {
+ ChunkMapDistance.this.addTicket(i, ticket);
+ ChunkMapDistance.this.l.add(i);
+ return;
+ }
+ // Paper end
+ ChunkMapDistance.this.j.a(ChunkTaskQueueSorter.a(() -> { // CraftBukkit - decompile error
ChunkMapDistance.this.m.execute(() -> {
- if (this.c(this.c(i))) {
+ if (isChunkInRange(i)) { if (!hasPlayerTicket(coords, 33)) { // Paper - high priority might of already added it
ChunkMapDistance.this.addTicket(i, ticket);
ChunkMapDistance.this.l.add(i);
- } else {
- ChunkMapDistance.this.k.a(ChunkTaskQueueSorter.a(() -> {
+ }} else { // Paper
+ ChunkMapDistance.this.k.a(ChunkTaskQueueSorter.a(() -> { // CraftBukkit - decompile error
}, i, false));
}
});
}, i, () -> {
- return j;
+ return Math.min(PlayerChunkMap.GOLDEN_TICKET, priority); // Paper
}));
+ }); // Paper
} else {
ChunkMapDistance.this.k.a(ChunkTaskQueueSorter.a(() -> {
ChunkMapDistance.this.m.execute(() -> {
ChunkMapDistance.this.removeTicket(i, ticket);
+ ChunkMapDistance.this.clearPriorityTickets(coords); // Paper
});
}, i, true));
}
@@ -409,6 +571,102 @@ public abstract class ChunkMapDistance {
}
+ // 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<Integer> task) {
+ long elapsed = MinecraftServer.currentTick - startTick;
+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(i);
+ PlayerChunk updatingChunk = chunkMap.getUpdatingChunk(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<EntityPlayer> 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();
+
+ BlockPosition blockPos = chunkPos.asPosition();
+
+ boolean isFront = false;
+ BlockPosition.PooledBlockPosition pos = BlockPosition.PooledBlockPosition.acquire();
+ for (int index = 0, len = backingSet.length; index < len; ++index) {
+ if (!(backingSet[index] instanceof EntityPlayer)) {
+ continue;
+ }
+ EntityPlayer player = (EntityPlayer) backingSet[index];
+
+ ChunkCoordIntPair pointInFront = player.getChunkInFront(5);
+ pos.setValues(pointInFront.x << 4, 0, pointInFront.z << 4);
+ double frontDist = MCUtil.distanceSq(pos, blockPos);
+
+ pos.setValues(player.locX(), 0, player.locZ());
+ double center = MCUtil.distanceSq(pos, blockPos);
+
+ double dist = Math.min(frontDist, center);
+ if (!isFront) {
+ ChunkCoordIntPair 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;
+ }
+ }
+ pos.close();
+ 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 = ChunkCoordIntPair.pair(chunkPos.x + x, chunkPos.z + z);
+ PlayerChunk neighbor = chunkMap.getUpdatingChunk(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 a() {
super.a();
@@ -440,6 +698,7 @@ public abstract class ChunkMapDistance {
}
+ private boolean isLoadedChunkLevel(int i) { return c(i); } // Paper - OBFHELPER
private boolean c(int i) {
return i <= this.e - 2;
}
@@ -456,6 +715,7 @@ public abstract class ChunkMapDistance {
this.a.defaultReturnValue((byte) (i + 2));
}
+ protected final int getChunkLevel(long i) { return c(i); } // Paper - OBFHELPER
@Override
protected int c(long i) {
return this.a.get(i);
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index a6363b73522f9d27534b6e80f4b3789e84316c49..604e7004b659daed2844ba1a76bf09288ec549e5 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -443,6 +443,26 @@ public class ChunkProviderServer extends IChunkProvider {
public <T> void removeTicketAtLevel(TicketType<T> ticketType, ChunkCoordIntPair chunkPos, int ticketLevel, T identifier) {
this.chunkMapDistance.removeTicketAtLevel(ticketType, chunkPos, ticketLevel, identifier);
}
+
+ public boolean markUrgent(ChunkCoordIntPair coords) {
+ return this.chunkMapDistance.markUrgent(coords);
+ }
+
+ public boolean markHighPriority(ChunkCoordIntPair coords, int priority) {
+ return this.chunkMapDistance.markHighPriority(coords, priority);
+ }
+
+ public void markAreaHighPriority(ChunkCoordIntPair center, int priority, int radius) {
+ this.chunkMapDistance.markAreaHighPriority(center, priority, radius);
+ }
+
+ public void clearAreaPriorityTickets(ChunkCoordIntPair center, int radius) {
+ this.chunkMapDistance.clearAreaPriorityTickets(center, radius);
+ }
+
+ public void clearPriorityTickets(ChunkCoordIntPair coords) {
+ this.chunkMapDistance.clearPriorityTickets(coords);
+ }
// Paper end
@Nullable
@@ -481,6 +501,8 @@ public class ChunkProviderServer extends IChunkProvider {
if (!completablefuture.isDone()) { // Paper
// Paper start - async chunk io/loading
+ ChunkCoordIntPair pair = new ChunkCoordIntPair(x, z);
+ this.chunkMapDistance.markUrgent(pair);
this.world.asyncChunkTaskManager.raisePriority(x, z, com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY);
com.destroystokyo.paper.io.chunk.ChunkTaskManager.pushChunkWait(this.world, x, z);
// Paper end
@@ -489,6 +511,8 @@ public class ChunkProviderServer extends IChunkProvider {
this.serverThreadQueue.awaitTasks(completablefuture::isDone);
com.destroystokyo.paper.io.chunk.ChunkTaskManager.popChunkWait(); // Paper - async chunk debug
this.world.timings.syncChunkLoad.stopTiming(); // Paper
+ this.chunkMapDistance.clearPriorityTickets(pair); // Paper
+ this.chunkMapDistance.clearUrgent(pair); // Paper
} // Paper
ichunkaccess = (IChunkAccess) ((Either) completablefuture.join()).map((ichunkaccess1) -> {
return ichunkaccess1;
@@ -541,10 +565,12 @@ public class ChunkProviderServer extends IChunkProvider {
if (flag && !currentlyUnloading) {
// CraftBukkit end
this.chunkMapDistance.a(TicketType.UNKNOWN, chunkcoordintpair, l, chunkcoordintpair);
+ if (isUrgent) this.chunkMapDistance.markUrgent(chunkcoordintpair); // Paper
if (this.a(playerchunk, l)) {
GameProfilerFiller gameprofilerfiller = this.world.getMethodProfiler();
gameprofilerfiller.enter("chunkLoad");
+ chunkMapDistance.delayDistanceManagerTick = false; // Paper - ensure this is never false
this.tickDistanceManager();
playerchunk = this.getChunk(k);
gameprofilerfiller.exit();
@@ -553,8 +579,13 @@ public class ChunkProviderServer extends IChunkProvider {
}
}
}
-
- return this.a(playerchunk, l) ? PlayerChunk.UNLOADED_CHUNK_ACCESS_FUTURE : playerchunk.a(chunkstatus, this.playerChunkMap);
+ // Paper start
+ CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> future = this.a(playerchunk, l) ? PlayerChunk.UNLOADED_CHUNK_ACCESS_FUTURE : playerchunk.a(chunkstatus, this.playerChunkMap);
+ if (isUrgent) {
+ future.thenAccept(either -> this.chunkMapDistance.clearUrgent(chunkcoordintpair));
+ }
+ return future;
+ // Paper end
}
private boolean a(@Nullable PlayerChunk playerchunk, int i) {
@@ -605,6 +636,7 @@ public class ChunkProviderServer extends IChunkProvider {
}
public boolean tickDistanceManager() { // Paper - private -> public
+ if (chunkMapDistance.delayDistanceManagerTick) return false; // Paper
boolean flag = this.chunkMapDistance.a(this.playerChunkMap);
boolean flag1 = this.playerChunkMap.b();
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 5f9ab1b81c1440d9b3003fbbf7d00b135a6b811e..eeed8edfdfde47b5eec7a2f6c9871fcfa1930b63 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -55,6 +55,12 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
private int lastArmorScored = Integer.MIN_VALUE;
private int lastExpLevelScored = Integer.MIN_VALUE;
private int lastExpTotalScored = Integer.MIN_VALUE;
+ public long lastHighPriorityChecked; // Paper
+ public void forceCheckHighPriority() {
+ lastHighPriorityChecked = -1;
+ getWorldServer().getChunkProvider().playerChunkMap.checkHighPriorityChunks(this);
+ }
+ public boolean isRealPlayer; // Paper
private float lastHealthSent = -1.0E8F;
private int lastFoodSent = -99999999;
private boolean lastSentSaturationZero = true;
@@ -136,6 +142,21 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
this.maxHealthCache = this.getMaxHealth();
this.cachedSingleMobDistanceMap = new com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper
}
+ // Paper start
+ public BlockPosition getPointInFront(double inFront) {
+ double rads = Math.toRadians(MCUtil.normalizeYaw(this.yaw+90)); // MC rotates yaw 90 for some odd reason
+ final double x = locX() + inFront * Math.cos(rads);
+ final double z = locZ() + inFront * Math.sin(rads);
+ return new BlockPosition(x, locY(), z);
+ }
+
+ public ChunkCoordIntPair getChunkInFront(double inFront) {
+ double rads = Math.toRadians(MCUtil.normalizeYaw(this.yaw+90)); // MC rotates yaw 90 for some odd reason
+ final double x = locX() + (inFront * 16) * Math.cos(rads);
+ final double z = locZ() + (inFront * 16) * Math.sin(rads);
+ return new ChunkCoordIntPair(MathHelper.floor(x) >> 4, MathHelper.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
@@ -481,6 +502,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
if (valid && !this.isSpectator() || this.world.isLoaded(this.getChunkCoordinates())) { // Paper - don't tick dead players that are not in the world currently (pending respawn)
super.tick();
}
+ if (valid && isAlive() && playerConnection != null) ((WorldServer)world).getChunkProvider().playerChunkMap.checkHighPriorityChunks(this); // Paper
for (int i = 0; i < this.inventory.getSize(); ++i) {
ItemStack itemstack = this.inventory.getItem(i);
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
index d24b5fa7e77bb18626459f6c3ab4aa20a7512712..e9cedbc8b62180134e774b119fb156c54f5767de 100644
--- a/src/main/java/net/minecraft/server/MCUtil.java
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -655,6 +655,7 @@ public final class MCUtil {
chunkData.addProperty("x", playerChunk.location.x);
chunkData.addProperty("z", playerChunk.location.z);
chunkData.addProperty("ticket-level", playerChunk.getTicketLevel());
+ chunkData.addProperty("priority", playerChunk.getCurrentPriority());
chunkData.addProperty("state", PlayerChunk.getChunkState(playerChunk.getTicketLevel()).toString());
chunkData.addProperty("queued-for-unload", chunkMap.unloadQueue.contains(playerChunk.location.pair()));
chunkData.addProperty("status", status == null ? "unloaded" : status.toString());
diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index e5751adde516544722b95016f64b2a46c16e77ce..04dea2c9fd9337631a6289c7242338e166d6bc1e 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -26,8 +26,8 @@ public class PlayerChunk {
private CompletableFuture<IChunkAccess> chunkSave;
public int oldTicketLevel;
private int ticketLevel;
- private int n;
- final ChunkCoordIntPair location; // Paper - private -> package
+ volatile int n; public final int getCurrentPriority() { return n; } // Paper - OBFHELPER - make volatile since this is concurrently accessed
+ public final ChunkCoordIntPair location; // Paper - private -> public
private final short[] dirtyBlocks;
private int dirtyCount;
private int r;
@@ -39,6 +39,7 @@ public class PlayerChunk {
private boolean hasBeenLoaded;
private final PlayerChunkMap chunkMap; // Paper
+ public WorldServer getWorld() { return chunkMap.world; } // Paper
long lastAutoSaveTime; // Paper - incremental autosave
long inactiveTimeStart; // Paper - incremental autosave
@@ -66,6 +67,120 @@ public class PlayerChunk {
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<PlayerChunk, ChunkStatus> neighbors = new java.util.concurrent.ConcurrentHashMap<>();
+ public final it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<Integer> neighborPriorities = new it.unimi.dsi.fastutil.longs.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, PlayerChunkMap.GOLDEN_TICKET), priority));
+ }
+
+ private int getMyPriority() {
+ if (priorityBoost == ChunkMapDistance.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();
+ }
+
+ public void onNeighborRequest(PlayerChunk 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(PlayerChunk neighbor, ChunkStatus chunkstatus, IChunkAccess 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(PlayerChunk requester) {
+ synchronized (neighborPriorities) {
+ neighborPriorities.remove(requester.location.pair());
+ recalcNeighborPriority();
+ }
+ checkPriority();
+ }
+
+
+ private void setNeighborPriority(PlayerChunk requester, int priority) {
+ synchronized (neighborPriorities) {
+ neighborPriorities.put(requester.location.pair(), 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(EntityPlayer player) {
+ return getDistance(player.locX(), player.locZ());
+ }
+ public final double getDistance(double blockX, double blockZ) {
+ int cx = MCUtil.fastFloor(blockX) >> 4;
+ int cz = MCUtil.fastFloor(blockZ) >> 4;
+ final double x = location.x - cx;
+ final double z = location.z - cz;
+ return (x * x) + (z * z);
+ }
+
+ public final double getDistanceFrom(BlockPosition pos) {
+ return getDistance(pos.getX(), pos.getZ());
+ }
+
+ @Override
+ public String toString() {
+ return "PlayerChunk{" +
+ "location=" + location +
+ ", ticketLevel=" + ticketLevel + "/" + getChunkStatus(this.ticketLevel) +
+ ", chunkHolderStatus=" + getChunkHolderStatus() +
+ ", neighborPriority=" + getNeighborsPriority() +
+ ", priority=(" + ticketLevel + " - " + priorityBoost +" vs N " + neighborPriority + ") = " + getDemandedPriority() + " A " + getCurrentPriority() +
+ '}';
+ }
+ // Paper end
public PlayerChunk(ChunkCoordIntPair chunkcoordintpair, int i, LightEngine lightengine, PlayerChunk.c playerchunk_c, PlayerChunk.d playerchunk_d) {
this.statusFutures = new AtomicReferenceArray(PlayerChunk.CHUNK_STATUSES.size());
@@ -164,6 +279,18 @@ public class PlayerChunk {
}
return null;
}
+ public static ChunkStatus getNextStatus(ChunkStatus status) {
+ if (status == ChunkStatus.FULL) {
+ return status;
+ }
+ return CHUNK_STATUSES.get(status.getStatusIndex() + 1);
+ }
+ public CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> getStatusFutureUncheckedMain(ChunkStatus chunkstatus) {
+ return ensureMain(getStatusFutureUnchecked(chunkstatus));
+ }
+ public <T> CompletableFuture<T> ensureMain(CompletableFuture<T> future) {
+ return future.thenApplyAsync(r -> r, chunkMap.mainInvokingExecutor);
+ }
// Paper end
public CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> getStatusFutureUnchecked(ChunkStatus chunkstatus) {
@@ -405,6 +532,7 @@ public class PlayerChunk {
return this.n;
}
+ private void setPriority(int i) { d(i); } // Paper - OBFHELPER
private void d(int i) {
this.n = i;
}
@@ -423,7 +551,7 @@ public class PlayerChunk {
// CraftBukkit start
// ChunkUnloadEvent: Called before the chunk is unloaded: isChunkLoaded is still true and chunk can still be modified by plugins.
if (playerchunk_state.isAtLeast(PlayerChunk.State.BORDER) && !playerchunk_state1.isAtLeast(PlayerChunk.State.BORDER)) {
- this.getStatusFutureUnchecked(ChunkStatus.FULL).thenAccept((either) -> {
+ this.getStatusFutureUncheckedMain(ChunkStatus.FULL).thenAccept((either) -> { // Paper - ensure main
Chunk chunk = (Chunk)either.left().orElse(null);
if (chunk != null) {
playerchunkmap.callbackExecutor.execute(() -> {
@@ -488,12 +616,13 @@ public class PlayerChunk {
if (!flag2 && flag3) {
// Paper start - cache ticking ready status
int expectCreateCount = ++this.fullChunkCreateCount;
- this.fullChunkFuture = playerchunkmap.b(this); this.fullChunkFuture.thenAccept((either) -> {
+ this.fullChunkFuture = playerchunkmap.b(this); ensureMain(this.fullChunkFuture).thenAccept((either) -> { // Paper - ensure main
if (either.left().isPresent() && PlayerChunk.this.fullChunkCreateCount == expectCreateCount) {
// note: Here is a very good place to add callbacks to logic waiting on this.
Chunk fullChunk = either.left().get();
PlayerChunk.this.isFullChunkReady = true;
fullChunk.playerChunk = PlayerChunk.this;
+ this.chunkMap.chunkDistanceManager.clearPriorityTickets(location);
}
@@ -518,7 +647,7 @@ public class PlayerChunk {
if (!flag4 && flag5) {
// Paper start - cache ticking ready status
- this.tickingFuture = playerchunkmap.a(this); this.tickingFuture.thenAccept((either) -> {
+ this.tickingFuture = playerchunkmap.a(this); ensureMain(this.tickingFuture).thenAccept((either) -> { // Paper - ensure main
if (either.left().isPresent()) {
// note: Here is a very good place to add callbacks to logic waiting on this.
Chunk tickingChunk = either.left().get();
@@ -549,7 +678,7 @@ public class PlayerChunk {
}
// Paper start - cache ticking ready status
- this.entityTickingFuture = playerchunkmap.b(this.location); this.entityTickingFuture.thenAccept((either) -> {
+ this.entityTickingFuture = playerchunkmap.b(this.location); ensureMain(this.entityTickingFuture).thenAccept((either) -> { // Paper ensureMain
if (either.left().isPresent()) {
// note: Here is a very good place to add callbacks to logic waiting on this.
Chunk entityTickingChunk = either.left().get();
@@ -569,12 +698,29 @@ public class PlayerChunk {
this.entityTickingFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
}
- this.v.a(this.location, this::k, this.ticketLevel, this::d);
+ // Paper start - raise IO/load priority if priority changes, use our preferred priority
+ priorityBoost = chunkMap.chunkDistanceManager.getChunkPriority(location);
+ 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.world.asyncChunkTaskManager.raisePriority(location.x, location.z, ioPriority);
+ }
+ if (getCurrentPriority() != priority) {
+ this.v.a(this.location, 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.isAtLeast(PlayerChunk.State.BORDER) && playerchunk_state1.isAtLeast(PlayerChunk.State.BORDER)) {
- this.getStatusFutureUnchecked(ChunkStatus.FULL).thenAccept((either) -> {
+ this.getStatusFutureUncheckedMain(ChunkStatus.FULL).thenAccept((either) -> { // Paper - ensure main
Chunk chunk = (Chunk)either.left().orElse(null);
if (chunk != null) {
playerchunkmap.callbackExecutor.execute(() -> {
@@ -656,6 +802,7 @@ public class PlayerChunk {
public interface c {
+ default void changePriority(ChunkCoordIntPair chunkcoordintpair, IntSupplier intsupplier, int i, IntConsumer intconsumer) { a(chunkcoordintpair, intsupplier, i, intconsumer); } // Paper - OBFHELPER
void a(ChunkCoordIntPair chunkcoordintpair, IntSupplier intsupplier, int i, IntConsumer intconsumer);
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 6dd64ce8794b8c2b5704556532159135e85a4b6c..ae42793b5a2f5bb06f068d0365378776901a4351 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -51,6 +51,7 @@ import org.apache.commons.lang3.mutable.MutableBoolean;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.bukkit.entity.Player; // CraftBukkit
+import org.spigotmc.AsyncCatcher;
public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -88,6 +89,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
public final WorldServer world;
private final LightEngineThreaded lightEngine;
private final IAsyncTaskHandler<Runnable> executor;
+ final java.util.concurrent.Executor mainInvokingExecutor; // Paper
public final ChunkGenerator chunkGenerator;
private final Supplier<WorldPersistentData> l; public final Supplier<WorldPersistentData> getWorldPersistentDataSupplier() { return this.l; } // Paper - OBFHELPER
private final VillagePlace m;
@@ -125,6 +127,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@Override
public void execute(Runnable runnable) {
+ AsyncCatcher.catchOp("Callback Executor execute");
if (queued == null) {
queued = new java.util.ArrayDeque<>();
}
@@ -133,6 +136,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@Override
public void run() {
+ AsyncCatcher.catchOp("Callback Executor run");
if (queued == null) {
return;
}
@@ -287,6 +291,15 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
this.world = worldserver;
this.chunkGenerator = chunkgenerator;
this.executor = iasynctaskhandler;
+ // Paper start
+ this.mainInvokingExecutor = (run) -> {
+ if (MCUtil.isMainThread()) {
+ run.run();
+ } else {
+ iasynctaskhandler.execute(run);
+ }
+ };
+ // Paper end
ThreadedMailbox<Runnable> threadedmailbox = ThreadedMailbox.a(executor, "worldgen");
iasynctaskhandler.getClass();
@@ -381,6 +394,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
this.playerViewDistanceTickMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
(EntityPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> newState) -> {
+ checkHighPriorityChunks(player);
if (newState.size() != 1) {
return;
}
@@ -399,7 +413,11 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(rangeX, rangeZ);
PlayerChunkMap.this.world.getChunkProvider().removeTicketAtLevel(TicketType.PLAYER, chunkPos, 31, chunkPos); // entity ticking level, TODO check on update
- });
+ PlayerChunkMap.this.world.getChunkProvider().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,
(EntityPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
@@ -416,6 +434,116 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
});
// Paper end - no-tick view distance
}
+ // Paper start - Chunk Prioritization
+ public void queueHolderUpdate(PlayerChunk playerchunk) {
+ Runnable runnable = () -> {
+ if (isUnloading(playerchunk)) {
+ return; // unloaded
+ }
+ chunkDistanceManager.pendingChunkUpdates.add(playerchunk);
+ if (!chunkDistanceManager.pollingPendingChunkUpdates) {
+ world.getChunkProvider().tickDistanceManager();
+ }
+ };
+ 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 {
+ executor.execute(runnable);
+ }
+ }
+
+ private boolean isUnloading(PlayerChunk playerchunk) {
+ return playerchunk == null || unloadQueue.contains(playerchunk.location.pair());
+ }
+
+ private void updateChunkPriorityMap(it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap map, long chunk, int level) {
+ int prev = map.getOrDefault(chunk, -1);
+ if (level > prev) {
+ map.put(chunk, level);
+ }
+ }
+
+ public void checkHighPriorityChunks(EntityPlayer player) {
+ int currentTick = MinecraftServer.currentTick;
+ if (currentTick - player.lastHighPriorityChecked < 20 || !player.isRealPlayer) { // weed out fake players
+ return;
+ }
+ player.lastHighPriorityChecked = currentTick;
+ it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap priorities = new it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap();
+
+ int viewDistance = getEffectiveNoTickViewDistance();
+ BlockPosition.PooledBlockPosition pos = BlockPosition.PooledBlockPosition.acquire();
+
+ // Prioritize circular near
+ double playerChunkX = MathHelper.floor(player.locX()) >> 4;
+ double playerChunkZ = MathHelper.floor(player.locZ()) >> 4;
+ pos.setValues(player.locX(), 0, player.locZ());
+ 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 * 4) {
+ updateChunkPriorityMap(priorities, coord.pair(), (int) (27 - Math.sqrt(dist)));
+ return;
+ }
+
+ // Prioritize nearby chunks
+ updateChunkPriorityMap(priorities, coord.pair(), (int) (20 - Math.sqrt(dist) * twoThirdModifier));
+ });
+
+ // Prioritize Frustum near 3
+ ChunkCoordIntPair 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.pair(), (int) (25 - Math.sqrt(dist) * twoThirdModifier));
+ });
+
+ // Prioritize Frustum near 5
+ if (viewDistance > 4) {
+ ChunkCoordIntPair 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.pair(), (int) (25 - Math.sqrt(dist) * twoThirdModifier));
+ });
+ }
+
+ // Prioritize Frustum far 7
+ if (viewDistance > 6) {
+ ChunkCoordIntPair 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.pair(), (int) (25 - Math.sqrt(dist) * twoThirdModifier));
+ });
+ }
+
+ pos.close();
+ if (priorities.isEmpty()) return;
+ chunkDistanceManager.delayDistanceManagerTick = true;
+ priorities.long2IntEntrySet().fastForEach(entry -> chunkDistanceManager.markHighPriority(new ChunkCoordIntPair(entry.getLongKey()), entry.getIntValue()));
+ chunkDistanceManager.delayDistanceManagerTick = false;
+ world.getChunkProvider().tickDistanceManager();
+
+ }
+
+ private boolean shouldSkipPrioritization(ChunkCoordIntPair coord) {
+ if (playerViewDistanceNoTickMap.getObjectsInRange(coord.pair()) == null) return true;
+ PlayerChunk chunk = getUpdatingChunk(coord.pair());
+ return chunk != null && (chunk.isFullChunkReady());
+ }
+ // Paper end
public void updatePlayerMobTypeMap(Entity entity) {
if (!this.world.paperConfig.perPlayerMobSpawns) {
@@ -545,6 +673,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
List<CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>>> list = Lists.newArrayList();
int j = chunkcoordintpair.x;
int k = chunkcoordintpair.z;
+ PlayerChunk requestingNeighbor = getUpdatingChunk(chunkcoordintpair.pair()); // Paper
for (int l = -i; l <= i; ++l) {
for (int i1 = -i; i1 <= i; ++i1) {
@@ -563,6 +692,14 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
ChunkStatus chunkstatus = (ChunkStatus) intfunction.apply(j1);
CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> completablefuture = playerchunk.a(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);
}
@@ -1028,14 +1165,22 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
};
CompletableFuture<NBTTagCompound> chunkSaveFuture = this.world.asyncChunkTaskManager.getChunkSaveFuture(chunkcoordintpair.x, chunkcoordintpair.z);
+ PlayerChunk playerChunk = getUpdatingChunk(chunkcoordintpair.pair());
+ 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.world.asyncChunkTaskManager.scheduleChunkLoad(chunkcoordintpair.x, chunkcoordintpair.z,
- com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGH_PRIORITY, chunkHolderConsumer, false, chunkSaveFuture);
- this.world.asyncChunkTaskManager.raisePriority(chunkcoordintpair.x, chunkcoordintpair.z, com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGH_PRIORITY);
+ this.world.asyncChunkTaskManager.scheduleChunkLoad(chunkcoordintpair.x, chunkcoordintpair.z, priority, chunkHolderConsumer, isHighestPriority, chunkSaveFuture);
} else {
- this.world.asyncChunkTaskManager.scheduleChunkLoad(chunkcoordintpair.x, chunkcoordintpair.z,
- com.destroystokyo.paper.io.PrioritizedTaskQueue.NORMAL_PRIORITY, chunkHolderConsumer, false);
+ this.world.asyncChunkTaskManager.scheduleChunkLoad(chunkcoordintpair.x, chunkcoordintpair.z, priority, chunkHolderConsumer, isHighestPriority);
}
+ this.world.asyncChunkTaskManager.raisePriority(chunkcoordintpair.x, chunkcoordintpair.z, priority);
return ret;
// Paper end
}
@@ -1172,7 +1317,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
long i = playerchunk.i().pair();
playerchunk.getClass();
- mailbox.a(ChunkTaskQueueSorter.a(runnable, i, playerchunk::getTicketLevel));
+ mailbox.a(ChunkTaskQueueSorter.a(runnable, i, () -> 1)); // Paper - final loads are always urgent!
});
}
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 7fd991fd3994a18625c193aeb15ed521d3b6a447..6bb2b3520362d056d4d75c65764e4c8dbc1417f9 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -1302,6 +1302,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
this.A = this.e;
this.player.setLocation(d0, d1, d2, f, f1);
this.syncPosition(); // Paper
+ this.player.forceCheckHighPriority(); // Paper
this.player.playerConnection.sendPacket(new PacketPlayOutPosition(d0 - d3, d1 - d4, d2 - d5, f - f2, f1 - f3, set, this.teleportAwait));
}
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index 59f00891ee2d1641678d4903a365cb94247bf08f..e55e11d5c97d656db8fed42c1581375077129906 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -196,8 +196,8 @@ public abstract class PlayerList {
final ChunkCoordIntPair pos = new ChunkCoordIntPair(chunkX, chunkZ);
PlayerChunkMap playerChunkMap = worldserver1.getChunkProvider().playerChunkMap;
playerChunkMap.chunkDistanceManager.addTicketAtLevel(TicketType.LOGIN, pos, 31, pos.pair());
- worldserver1.getChunkProvider().tickDistanceManager();
- worldserver1.getChunkProvider().getChunkAtAsynchronously(chunkX, chunkZ, true, true).thenApply(chunk -> {
+ worldserver1.getChunkProvider().markAreaHighPriority(pos, 28, 3);
+ worldserver1.getChunkProvider().getChunkAtAsynchronously(chunkX, chunkZ, true, false).thenApply(chunk -> {
PlayerChunk updatingChunk = playerChunkMap.getUpdatingChunk(pos.pair());
if (updatingChunk != null) {
return updatingChunk.getEntityTickingFuture();
@@ -613,6 +613,7 @@ public abstract class PlayerList {
SocketAddress socketaddress = loginlistener.networkManager.getSocketAddress();
EntityPlayer entity = new EntityPlayer(this.server, this.server.getWorldServer(World.OVERWORLD), gameprofile, new PlayerInteractManager(this.server.getWorldServer(World.OVERWORLD)));
+ entity.isRealPlayer = true; // Paper
Player player = entity.getBukkitEntity();
PlayerLoginEvent event = new PlayerLoginEvent(player, hostname, ((java.net.InetSocketAddress) socketaddress).getAddress(), ((java.net.InetSocketAddress) loginlistener.networkManager.getRawAddress()).getAddress());
@@ -808,6 +809,7 @@ public abstract class PlayerList {
// CraftBukkit end
worldserver.getChunkProvider().addTicket(TicketType.POST_TELEPORT, new ChunkCoordIntPair(location.getBlockX() >> 4, location.getBlockZ() >> 4), 1, entityplayer.getId()); // Paper
+ entityplayer1.forceCheckHighPriority(); // Player
while (avoidSuffocation && !worldserver1.getCubes(entityplayer1) && entityplayer1.locY() < 256.0D) {
entityplayer1.setPosition(entityplayer1.locX(), entityplayer1.locY() + 1.0D, entityplayer1.locZ());
}
diff --git a/src/main/java/net/minecraft/server/Ticket.java b/src/main/java/net/minecraft/server/Ticket.java
index 7a8397815a5b7f79f3e3a0348aeedf63fe879f8f..b5030d6f5d917ba33fb3c40903384fa7a56bc5f1 100644
--- a/src/main/java/net/minecraft/server/Ticket.java
+++ b/src/main/java/net/minecraft/server/Ticket.java
@@ -8,6 +8,7 @@ public final class Ticket<T> implements Comparable<Ticket<?>> {
private final int b;
public final T identifier; public final T getObjectReason() { return this.identifier; } // Paper - OBFHELPER
private long d; public final long getCreationTick() { return this.d; } // Paper - OBFHELPER
+ public int priority = 0; // Paper
protected Ticket(TicketType<T> tickettype, int i, T t0) {
this.a = tickettype;
@@ -56,6 +57,7 @@ public final class Ticket<T> implements Comparable<Ticket<?>> {
return this.b;
}
+ public final void setCurrentTick(long i) { this.a(i); } // Paper - OBFHELPER
protected void a(long i) {
this.d = i;
}
diff --git a/src/main/java/net/minecraft/server/TicketType.java b/src/main/java/net/minecraft/server/TicketType.java
index d7b9d9fd3a3b607278a3d72b0b306b0be2aa30ad..6fd852db6bcfbfbf84ec2acf6d23b08a6051165c 100644
--- a/src/main/java/net/minecraft/server/TicketType.java
+++ b/src/main/java/net/minecraft/server/TicketType.java
@@ -24,6 +24,8 @@ public class TicketType<T> {
public static final TicketType<org.bukkit.plugin.Plugin> PLUGIN_TICKET = a("plugin_ticket", (plugin1, plugin2) -> plugin1.getClass().getName().compareTo(plugin2.getClass().getName())); // CraftBukkit
public static final TicketType<Long> FUTURE_AWAIT = a("future_await", Long::compareTo); // Paper
public static final TicketType<Long> ASYNC_LOAD = a("async_load", Long::compareTo); // Paper
+ public static final TicketType<ChunkCoordIntPair> PRIORITY = a("priority", Comparator.comparingLong(ChunkCoordIntPair::pair), 300); // Paper
+ public static final TicketType<ChunkCoordIntPair> URGENT = a("urgent", Comparator.comparingLong(ChunkCoordIntPair::pair), 300); // Paper
public static <T> TicketType<T> a(String s, Comparator<T> comparator) {
return new TicketType<>(s, comparator, 0L);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 11559f9e4b3f5fda6bfe4f70f963ce4f7967f051..bf2f602bb07aa4c7c0a22ad9be9e77d7fd017191 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -2520,6 +2520,10 @@ public class CraftWorld implements World {
return future;
}
+ if (!urgent) {
+ // if not urgent, at least use a slightly boosted priority
+ world.getChunkProvider().markHighPriority(new ChunkCoordIntPair(x, z), 1);
+ }
return this.world.getChunkProvider().getChunkAtAsynchronously(x, z, gen, urgent).thenComposeAsync((either) -> {
net.minecraft.server.Chunk chunk = (net.minecraft.server.Chunk) 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 e3ae90aa7c2c067741540995fbb1c694b663f624..8f2b84a84a8249ae2b48d195eb8c1ffb4464fe0e 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -744,6 +744,14 @@ 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<Boolean> teleportAsync(Location loc, PlayerTeleportEvent.TeleportCause cause) {
+ getHandle().getWorldServer().getChunkProvider().markAreaHighPriority(new net.minecraft.server.ChunkCoordIntPair(net.minecraft.server.MathHelper.floor(loc.getX()) >> 4, net.minecraft.server.MathHelper.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");
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