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Paper-Old/Spigot-Server-Patches/0484-Implement-Chunk-Priority-Urgency-System-for-Chunks.patch
Aikar 41e6073ced
[Auto] Updated Upstream (CraftBukkit) 
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
afa0678e1 SPIGOT-6133: Chorus fruit consumption calls PlayerTeleportEvent multiple times
2021-05-24 18:37:30 -04:00

1327 Zeilen
69 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 8e642f450b974d81f128d26edfd40915554db638..dc641664abe8ff6b36c69c7d21a3200d160ff1b6 100644
--- a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
+++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
@@ -108,7 +108,7 @@ 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) {
@@ -129,6 +129,30 @@ 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/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
index 17de074111a174f3a39a4477afc3ad62e04a73b5..1d72af9cace7aa8f1d20c7c1c5be621f533e2dad 100644
--- a/src/main/java/net/minecraft/server/MCUtil.java
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -673,6 +673,7 @@ 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/level/ChunkMapDistance.java b/src/main/java/net/minecraft/server/level/ChunkMapDistance.java
index 2bbdcedf4856080ea9232effdf3bdae9c26c425b..a3c44fdfca8290313b9b1117b984533183b583ad 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMapDistance.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMapDistance.java
@@ -21,7 +21,10 @@ import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import javax.annotation.Nullable;
+import net.minecraft.core.BlockPosition;
import net.minecraft.core.SectionPosition;
+import net.minecraft.server.MCUtil;
+import net.minecraft.server.MinecraftServer;
import net.minecraft.util.ArraySetSorted;
import net.minecraft.util.thread.Mailbox;
import net.minecraft.world.level.ChunkCoordIntPair;
@@ -29,6 +32,7 @@ import net.minecraft.world.level.chunk.Chunk;
import net.minecraft.world.level.chunk.ChunkStatus;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+import org.spigotmc.AsyncCatcher; // Paper
public abstract class ChunkMapDistance {
@@ -52,7 +56,7 @@ 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(); public final LongSet getOnPlayerTicketAddQueue() { return l; } // Paper - OBFHELPER
private final Executor m;
private long currentTick;
@@ -90,6 +94,7 @@ 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;
}
@@ -103,6 +108,7 @@ 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;
@@ -113,11 +119,13 @@ 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 {
@@ -153,8 +161,10 @@ 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
@@ -168,7 +178,9 @@ 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)) {
@@ -179,7 +191,8 @@ 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
}
@@ -188,6 +201,135 @@ 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
@@ -358,7 +500,7 @@ public abstract class ChunkMapDistance {
class c extends ChunkMapDistance.b {
- private int e = 0;
+ private int e = 0; private int getViewDistance() { return e; } private void setViewDistance(int value) { this.e = value; } // Paper - OBFHELPER
private final Long2IntMap f = Long2IntMaps.synchronize(new Long2IntOpenHashMap());
private final LongSet g = new LongOpenHashSet();
@@ -374,41 +516,68 @@ public abstract class ChunkMapDistance {
public void a(int i) {
ObjectIterator objectiterator = this.a.long2ByteEntrySet().iterator();
+ // Paper start - set the view distance before scheduling chunk loads/unloads
+ int lastViewDistance = getViewDistance();
+ setViewDistance(i);
+ // 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.a(j, b0, this.c(b0), b0 <= i - 2);
+ this.a(j, b0, b0 <= lastViewDistance - 2, this.c(b0)); // Paper
}
- this.e = i;
+ //this.e = i; // Paper - view distance is now set further up
}
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));
}
@@ -416,6 +585,101 @@ 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.MutableBlockPosition pos = new BlockPosition.MutableBlockPosition();
+ 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;
+ }
+ }
+ 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();
@@ -447,6 +711,7 @@ public abstract class ChunkMapDistance {
}
+ private boolean isLoadedChunkLevel(int i) { return c(i); } // Paper - OBFHELPER
private boolean c(int i) {
return i <= this.e - 2;
}
@@ -463,6 +728,7 @@ 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/level/ChunkProviderServer.java b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
index 42bb00364375e5cf324b43557385345868b37ffe..19e02d12bb0c5a73066f7c57da40277918276210 100644
--- a/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
@@ -468,6 +468,26 @@ 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
@@ -506,6 +526,8 @@ 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
@@ -514,6 +536,8 @@ 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;
@@ -566,10 +590,12 @@ 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();
@@ -578,8 +604,13 @@ 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) {
@@ -630,6 +661,7 @@ 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/level/EntityPlayer.java b/src/main/java/net/minecraft/server/level/EntityPlayer.java
index 89a66078b722f265abd73579545a1f24df9442aa..8055172c806f285aa9a9e6de681d03b008fbf785 100644
--- a/src/main/java/net/minecraft/server/level/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/level/EntityPlayer.java
@@ -73,6 +73,7 @@ import net.minecraft.network.protocol.game.PacketPlayOutWorldEvent;
import net.minecraft.resources.MinecraftKey;
import net.minecraft.resources.ResourceKey;
import net.minecraft.server.AdvancementDataPlayer;
+import net.minecraft.server.MCUtil;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.network.ITextFilter;
import net.minecraft.server.network.PlayerConnection;
@@ -188,6 +189,12 @@ 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;
@@ -275,6 +282,21 @@ 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
@@ -622,6 +644,7 @@ 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/level/PlayerChunk.java b/src/main/java/net/minecraft/server/level/PlayerChunk.java
index e53054fc46e528f9c713eb4c03add61316e19396..fc79a73c884ceb7e0ce56443c36b135c4e525193 100644
--- a/src/main/java/net/minecraft/server/level/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/level/PlayerChunk.java
@@ -1,6 +1,7 @@
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;
@@ -19,6 +20,7 @@ import net.minecraft.network.protocol.game.PacketPlayOutBlockChange;
import net.minecraft.network.protocol.game.PacketPlayOutLightUpdate;
import net.minecraft.network.protocol.game.PacketPlayOutMultiBlockChange;
import net.minecraft.network.protocol.game.PacketPlayOutTileEntityData;
+import net.minecraft.server.MCUtil;
import net.minecraft.util.MathHelper;
import net.minecraft.world.level.ChunkCoordIntPair;
import net.minecraft.world.level.EnumSkyBlock;
@@ -53,8 +55,8 @@ 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 boolean p;
private final ShortSet[] dirtyBlocks;
private int r;
@@ -66,6 +68,7 @@ public class PlayerChunk {
private boolean x;
private final PlayerChunkMap chunkMap; // Paper
+ public WorldServer getWorld() { return chunkMap.world; } // Paper
long lastAutoSaveTime; // Paper - incremental autosave
long inactiveTimeStart; // Paper - incremental autosave
@@ -93,6 +96,120 @@ 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 Long2ObjectOpenHashMap<Integer> 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, 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()) + 1;
+ }
+
+ 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());
@@ -195,6 +312,18 @@ 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) {
@@ -441,6 +570,7 @@ public class PlayerChunk {
return this.n;
}
+ private void setPriority(int i) { d(i); } // Paper - OBFHELPER
private void d(int i) {
this.n = i;
}
@@ -459,7 +589,7 @@ 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(() -> {
@@ -524,12 +654,13 @@ 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);
}
@@ -554,7 +685,7 @@ 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();
@@ -585,7 +716,7 @@ 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();
@@ -605,12 +736,29 @@ public class PlayerChunk {
this.entityTickingFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
}
- this.u.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.u.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(() -> {
@@ -692,6 +840,7 @@ 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/level/PlayerChunkMap.java b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
index 6ddbc83a08be4e7aa5cd85cf78f14604d4759f30..5bea15ba1ee3d2c8e8d78ab34ba75723164b7117 100644
--- a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
@@ -14,6 +14,7 @@ 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;
@@ -51,6 +52,7 @@ import net.minecraft.CrashReport;
import net.minecraft.CrashReportSystemDetails;
import net.minecraft.ReportedException;
import net.minecraft.SystemUtils;
+import net.minecraft.core.BlockPosition;
import net.minecraft.core.SectionPosition;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.protocol.Packet;
@@ -105,6 +107,7 @@ 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 {
@@ -142,6 +145,7 @@ 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;
@@ -179,6 +183,7 @@ 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<>();
}
@@ -187,6 +192,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@Override
public void run() {
+ AsyncCatcher.catchOp("Callback Executor run");
if (queued == null) {
return;
}
@@ -341,6 +347,15 @@ 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();
@@ -435,6 +450,7 @@ 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;
}
@@ -453,7 +469,11 @@ 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,
@@ -470,6 +490,115 @@ 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(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;
+ Long2IntOpenHashMap priorities = new Long2IntOpenHashMap();
+
+ int viewDistance = getEffectiveNoTickViewDistance();
+ BlockPosition.MutableBlockPosition pos = new BlockPosition.MutableBlockPosition();
+
+ // 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) {
+ updateChunkPriorityMap(priorities, coord.pair(), (int) (27 - dist));
+ return;
+ }
+
+ // Prioritize nearby chunks
+ updateChunkPriorityMap(priorities, coord.pair(), (int) (20 - 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 - 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 - 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 - dist * twoThirdModifier));
+ });
+ }
+
+ 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) {
@@ -599,6 +728,7 @@ 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) {
@@ -617,6 +747,14 @@ 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);
}
@@ -1084,14 +1222,22 @@ 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
}
@@ -1236,7 +1382,7 @@ 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/level/Ticket.java b/src/main/java/net/minecraft/server/level/Ticket.java
index e06fe77f6ea05a93e95fce223bcfd0d16394f96f..90cbd12611b7b078f35f08f910453bcc02f6665b 100644
--- a/src/main/java/net/minecraft/server/level/Ticket.java
+++ b/src/main/java/net/minecraft/server/level/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/level/TicketType.java b/src/main/java/net/minecraft/server/level/TicketType.java
index 2c932d36f982e7f8713aabff9a6c631055810366..f5d18834e0e2ee0e3bcf55810456766d2f134450 100644
--- a/src/main/java/net/minecraft/server/level/TicketType.java
+++ b/src/main/java/net/minecraft/server/level/TicketType.java
@@ -28,6 +28,8 @@ 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/net/minecraft/server/network/PlayerConnection.java b/src/main/java/net/minecraft/server/network/PlayerConnection.java
index b491a3563bf457bcb631e05cf41b661712134966..40fefdb9da9c4fd3ef3e3bb6276de215dd5265f9 100644
--- a/src/main/java/net/minecraft/server/network/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/network/PlayerConnection.java
@@ -1530,6 +1530,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
this.A = this.e;
this.player.setLocation(d0, d1, d2, f, f1);
+ 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/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 66fcd68f0a0a21b113e8741cc42c841f49009118..b4c5915cc68a838259129b8973b3a6a39c1fc963 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -275,8 +275,8 @@ public abstract class PlayerList {
final ChunkCoordIntPair pos = new ChunkCoordIntPair(chunkX, chunkZ);
PlayerChunkMap playerChunkMap = worldserver1.getChunkProvider().playerChunkMap;
playerChunkMap.getChunkDistanceManager().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();
@@ -696,6 +696,7 @@ 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());
@@ -902,6 +903,7 @@ public abstract class PlayerList {
// CraftBukkit end
worldserver1.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/world/level/ChunkCoordIntPair.java b/src/main/java/net/minecraft/world/level/ChunkCoordIntPair.java
index 9a88791be443a5b18934e7d752aee6dcdb8aa38f..e41d63596c32eee5f0c04a6f043d576d8021ff1a 100644
--- a/src/main/java/net/minecraft/world/level/ChunkCoordIntPair.java
+++ b/src/main/java/net/minecraft/world/level/ChunkCoordIntPair.java
@@ -104,6 +104,7 @@ 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/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 2d90ecf04f522a4e16f44c905450a61becaa1ed2..6034ef65ee6030948a5b76fa493addb44188ef62 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -2541,6 +2541,10 @@ 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.world.level.chunk.Chunk chunk = (net.minecraft.world.level.chunk.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 935b5668a81db4d19a08b09c61519114532a23d9..0f8d10c2bc7728b58528096fc0686c3aeee623a7 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -60,6 +60,7 @@ import net.minecraft.server.level.PlayerChunkMap;
import net.minecraft.server.level.WorldServer;
import net.minecraft.server.network.PlayerConnection;
import net.minecraft.server.players.WhiteListEntry;
+import net.minecraft.util.MathHelper;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityExperienceOrb;
import net.minecraft.world.entity.EntityLiving;
@@ -72,6 +73,7 @@ import net.minecraft.world.inventory.Container;
import net.minecraft.world.item.EnumColor;
import net.minecraft.world.item.enchantment.EnchantmentManager;
import net.minecraft.world.item.enchantment.Enchantments;
+import net.minecraft.world.level.ChunkCoordIntPair;
import net.minecraft.world.level.EnumGamemode;
import net.minecraft.world.level.biome.BiomeManager;
import net.minecraft.world.level.block.entity.TileEntitySign;
@@ -851,6 +853,14 @@ 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, @javax.annotation.Nonnull PlayerTeleportEvent.TeleportCause cause) {
+ ((CraftWorld)loc.getWorld()).getHandle().getChunkProvider().markAreaHighPriority(new ChunkCoordIntPair(MathHelper.floor(loc.getX()) >> 4, 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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