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Bjarne Koll 2023-09-22 15:47:26 +02:00
parent 95a31de306
commit 574bc968d3
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9 changed files with 3 additions and 3 deletions
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346
patches/unapplied/server/0684-Optimize-anyPlayerCloseEnoughForSpawning-to-use-dist.patch
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@ -1,346 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 5 May 2020 20:40:53 -0700
Subject: [PATCH] Optimize anyPlayerCloseEnoughForSpawning to use distance maps
Use a distance map to find the players in range quickly
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index c5389e7f3665c06e487dfde3200b7e229694fbd2..4164204ba80f68a768de0ed1721c6447b972a631 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -79,16 +79,29 @@ public class ChunkHolder {
// Paper start
public void onChunkAdd() {
-
+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
+ long key = io.papermc.paper.util.MCUtil.getCoordinateKey(this.pos);
+ this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
+ this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
}
public void onChunkRemove() {
-
+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
+ this.playersInMobSpawnRange = null;
+ this.playersInChunkTickRange = null;
+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
}
// Paper end
public final io.papermc.paper.chunk.system.scheduling.NewChunkHolder newChunkHolder; // Paper - rewrite chunk system
+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
+ // cached here to avoid a map lookup
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInMobSpawnRange;
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInChunkTickRange;
+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
+
// Paper start - replace player chunk loader
private final com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> playersSentChunkTo = new com.destroystokyo.paper.util.maplist.ReferenceList<>();
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 52d9d0f2366f292c56eee9fe241cb43bc2900b23..80b2ff12e48e1aabebd9ebcf5958c1f5d073d55b 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -174,12 +174,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
return net.minecraft.server.MinecraftServer.getServer().getScaledTrackingDistance(vanilla);
}
// Paper end - use distance map to optimise tracker
+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ // A note about the naming used here:
+ // Previously, mojang used a "spawn range" of 8 for controlling both ticking and
+ // mob spawn range. However, spigot makes the spawn range configurable by
+ // checking if the chunk is in the tick range (8) and the spawn range
+ // obviously this means a spawn range > 8 cannot be implemented
+
+ // these maps are named after spigot's uses
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobSpawnMap; // this map is absent from updateMaps since it's controlled at the start of the chunkproviderserver tick
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerChunkTickRangeMap;
+ // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
void addPlayerToDistanceMaps(ServerPlayer player) {
this.level.playerChunkLoader.addPlayer(player); // Paper - replace chunk loader
int chunkX = MCUtil.getChunkCoordinate(player.getX());
int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
+ this.playerChunkTickRangeMap.add(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
// Paper start - per player mob spawning
if (this.playerMobDistanceMap != null) {
this.playerMobDistanceMap.add(player, chunkX, chunkZ, io.papermc.paper.chunk.system.ChunkSystem.getTickViewDistance(player));
@@ -198,6 +210,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
void removePlayerFromDistanceMaps(ServerPlayer player) {
this.level.playerChunkLoader.removePlayer(player); // Paper - replace chunk loader
+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ this.playerMobSpawnMap.remove(player);
+ this.playerChunkTickRangeMap.remove(player);
+ // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
// Paper start - per player mob spawning
if (this.playerMobDistanceMap != null) {
this.playerMobDistanceMap.remove(player);
@@ -215,6 +231,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
this.level.playerChunkLoader.updatePlayer(player); // Paper - replace chunk loader
+ this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
// Paper start - per player mob spawning
if (this.playerMobDistanceMap != null) {
this.playerMobDistanceMap.update(player, chunkX, chunkZ, io.papermc.paper.chunk.system.ChunkSystem.getTickViewDistance(player));
@@ -356,6 +373,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.playerEntityTrackerTrackMaps[ordinal] = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
}
// Paper end - use distance map to optimise entity tracker
+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ this.playerChunkTickRangeMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInChunkTickRange = newState;
+ }
+ },
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInChunkTickRange = newState;
+ }
+ });
+ this.playerMobSpawnMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInMobSpawnRange = newState;
+ }
+ },
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInMobSpawnRange = newState;
+ }
+ });
+ // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
}
protected ChunkGenerator generator() {
@@ -930,43 +979,48 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
return this.anyPlayerCloseEnoughForSpawning(pos, false);
}
- boolean anyPlayerCloseEnoughForSpawning(ChunkPos chunkcoordintpair, boolean reducedRange) {
- int chunkRange = level.spigotConfig.mobSpawnRange;
- chunkRange = (chunkRange > level.spigotConfig.viewDistance) ? (byte) level.spigotConfig.viewDistance : chunkRange;
- chunkRange = (chunkRange > 8) ? 8 : chunkRange;
-
- final int finalChunkRange = chunkRange; // Paper for lambda below
- //double blockRange = (reducedRange) ? Math.pow(chunkRange << 4, 2) : 16384.0D; // Paper - use from event
- double blockRange = 16384.0D; // Paper
- // Spigot end
- long i = chunkcoordintpair.toLong();
+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
+ final boolean anyPlayerCloseEnoughForSpawning(ChunkPos chunkcoordintpair, boolean reducedRange) {
+ return this.anyPlayerCloseEnoughForSpawning(this.getUpdatingChunkIfPresent(chunkcoordintpair.toLong()), chunkcoordintpair, reducedRange);
+ }
- if (!this.distanceManager.hasPlayersNearby(i)) {
+ final boolean anyPlayerCloseEnoughForSpawning(ChunkHolder playerchunk, ChunkPos chunkcoordintpair, boolean reducedRange) {
+ // this function is so hot that removing the map lookup call can have an order of magnitude impact on its performance
+ // tested and confirmed via System.nanoTime()
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInRange = reducedRange ? playerchunk.playersInMobSpawnRange : playerchunk.playersInChunkTickRange;
+ if (playersInRange == null) {
return false;
- } else {
- Iterator iterator = this.playerMap.getPlayers(i).iterator();
-
- ServerPlayer entityplayer;
+ }
+ Object[] backingSet = playersInRange.getBackingSet();
- do {
- if (!iterator.hasNext()) {
- return false;
+ if (reducedRange) {
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object raw = backingSet[i];
+ if (!(raw instanceof ServerPlayer player)) {
+ continue;
}
-
- entityplayer = (ServerPlayer) iterator.next();
- // Paper start - add PlayerNaturallySpawnCreaturesEvent
- com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event;
- blockRange = 16384.0D;
- if (reducedRange) {
- event = entityplayer.playerNaturallySpawnedEvent;
- if (event == null || event.isCancelled()) return false;
- blockRange = (double) ((event.getSpawnRadius() << 4) * (event.getSpawnRadius() << 4));
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (euclideanDistanceSquared(chunkcoordintpair, player) < player.lastEntitySpawnRadiusSquared) {
+ return true; // in range
}
- // Paper end
- } while (!this.playerIsCloseEnoughForSpawning(entityplayer, chunkcoordintpair, blockRange)); // Spigot
-
- return true;
+ }
+ } else {
+ final double range = (DistanceManager.MOB_SPAWN_RANGE * 16) * (DistanceManager.MOB_SPAWN_RANGE * 16);
+ // before spigot, mob spawn range was actually mob spawn range + tick range, but it was split
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object raw = backingSet[i];
+ if (!(raw instanceof ServerPlayer player)) {
+ continue;
+ }
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (euclideanDistanceSquared(chunkcoordintpair, player) < range) {
+ return true; // in range
+ }
+ }
}
+ // no players in range
+ return false;
+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
}
public List<ServerPlayer> getPlayersCloseForSpawning(ChunkPos pos) {
diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
index 0a926afa06a5e37cf2650afa1b5099a2a9ffa659..ae4a4710ba07614be42cdcbf52cee04cfa08466b 100644
--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
@@ -50,7 +50,7 @@ public abstract class DistanceManager {
private static final int INITIAL_TICKET_LIST_CAPACITY = 4;
final Long2ObjectMap<ObjectSet<ServerPlayer>> playersPerChunk = new Long2ObjectOpenHashMap();
// Paper - rewrite chunk system
- private final DistanceManager.FixedPlayerDistanceChunkTracker naturalSpawnChunkCounter = new DistanceManager.FixedPlayerDistanceChunkTracker(8);
+ public static final int MOB_SPAWN_RANGE = 8; // private final DistanceManager.FixedPlayerDistanceChunkTracker naturalSpawnChunkCounter = new DistanceManager.FixedPlayerDistanceChunkTracker(8); // Paper - no longer used
// Paper - rewrite chunk system
private final ChunkMap chunkMap; // Paper
@@ -136,7 +136,7 @@ public abstract class DistanceManager {
long i = chunkcoordintpair.toLong();
// Paper - no longer used
- this.naturalSpawnChunkCounter.update(i, 0, true);
+ //this.naturalSpawnChunkCounter.update(i, 0, true); // Paper - no longer used
//this.playerTicketManager.update(i, 0, true); // Paper - no longer used
//this.tickingTicketsTracker.addTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair); // Paper - no longer used
}
@@ -150,7 +150,7 @@ public abstract class DistanceManager {
if (objectset != null) objectset.remove(player); // Paper - some state corruption happens here, don't crash, clean up gracefully.
if (objectset == null || objectset.isEmpty()) { // Paper
this.playersPerChunk.remove(i);
- this.naturalSpawnChunkCounter.update(i, Integer.MAX_VALUE, false);
+ // this.naturalSpawnChunkCounter.update(i, Integer.MAX_VALUE, false); // Paper - no longer used
//this.playerTicketManager.update(i, Integer.MAX_VALUE, false); // Paper - no longer used
//this.tickingTicketsTracker.removeTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair); // Paper - no longer used
}
@@ -192,13 +192,17 @@ public abstract class DistanceManager {
}
public int getNaturalSpawnChunkCount() {
- this.naturalSpawnChunkCounter.runAllUpdates();
- return this.naturalSpawnChunkCounter.chunks.size();
+ // Paper start - use distance map to implement
+ // note: this is the spawn chunk count
+ return this.chunkMap.playerChunkTickRangeMap.size();
+ // Paper end - use distance map to implement
}
public boolean hasPlayersNearby(long chunkPos) {
- this.naturalSpawnChunkCounter.runAllUpdates();
- return this.naturalSpawnChunkCounter.chunks.containsKey(chunkPos);
+ // Paper start - use distance map to implement
+ // note: this is the is spawn chunk method
+ return this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(chunkPos) != null;
+ // Paper end - use distance map to implement
}
public String getDebugStatus() {
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 3f5d572994bc8b3f1e106105dc0bb202ad005b8c..5c5fe2087a7617324ab8e18389e3ffa9ac413026 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -517,6 +517,37 @@ public class ServerChunkCache extends ChunkSource {
if (flag) {
this.chunkMap.tick();
} else {
+ // Paper start - optimize isOutisdeRange
+ ChunkMap playerChunkMap = this.chunkMap;
+ for (ServerPlayer player : this.level.players) {
+ if (!player.affectsSpawning || player.isSpectator()) {
+ playerChunkMap.playerMobSpawnMap.remove(player);
+ continue;
+ }
+
+ int viewDistance = this.chunkMap.getEffectiveViewDistance();
+
+ // copied and modified from isOutisdeRange
+ int chunkRange = level.spigotConfig.mobSpawnRange;
+ chunkRange = (chunkRange > viewDistance) ? (byte)viewDistance : chunkRange;
+ chunkRange = (chunkRange > DistanceManager.MOB_SPAWN_RANGE) ? DistanceManager.MOB_SPAWN_RANGE : chunkRange;
+
+ com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(player.getBukkitEntity(), (byte)chunkRange);
+ event.callEvent();
+ if (event.isCancelled() || event.getSpawnRadius() < 0 || playerChunkMap.playerChunkTickRangeMap.getLastViewDistance(player) == -1) {
+ playerChunkMap.playerMobSpawnMap.remove(player);
+ continue;
+ }
+
+ int range = Math.min(event.getSpawnRadius(), 32); // limit to max view distance
+ int chunkX = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getX());
+ int chunkZ = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getZ());
+
+ playerChunkMap.playerMobSpawnMap.addOrUpdate(player, chunkX, chunkZ, range);
+ player.lastEntitySpawnRadiusSquared = (double)((range << 4) * (range << 4)); // used in anyPlayerCloseEnoughForSpawning
+ player.playerNaturallySpawnedEvent = event;
+ }
+ // Paper end - optimize isOutisdeRange
LevelData worlddata = this.level.getLevelData();
ProfilerFiller gameprofilerfiller = this.level.getProfiler();
@@ -560,15 +591,7 @@ public class ServerChunkCache extends ChunkSource {
boolean flag2 = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.players().isEmpty(); // CraftBukkit
Collections.shuffle(list);
- // Paper start - call player naturally spawn event
- int chunkRange = level.spigotConfig.mobSpawnRange;
- chunkRange = (chunkRange > level.spigotConfig.viewDistance) ? (byte) level.spigotConfig.viewDistance : chunkRange;
- chunkRange = Math.min(chunkRange, 8);
- for (ServerPlayer entityPlayer : this.level.players()) {
- entityPlayer.playerNaturallySpawnedEvent = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(entityPlayer.getBukkitEntity(), (byte) chunkRange);
- entityPlayer.playerNaturallySpawnedEvent.callEvent();
- };
- // Paper end
+ // Paper - moved natural spawn event up
Iterator iterator1 = list.iterator();
while (iterator1.hasNext()) {
@@ -576,9 +599,9 @@ public class ServerChunkCache extends ChunkSource {
LevelChunk chunk1 = chunkproviderserver_a.chunk;
ChunkPos chunkcoordintpair = chunk1.getPos();
- if (this.level.isNaturalSpawningAllowed(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkcoordintpair)) {
+ if (this.level.isNaturalSpawningAllowed(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, false)) { // Paper - optimise anyPlayerCloseEnoughForSpawning
chunk1.incrementInhabitedTime(j);
- if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkcoordintpair, true)) { // Spigot
+ if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, true)) { // Spigot // Paper - optimise anyPlayerCloseEnoughForSpawning
NaturalSpawner.spawnForChunk(this.level, chunk1, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag1);
}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index ce2972c62f91724f6a9e56c8103fba219f7a60bb..6c00162847b59ffa3d1403b956545c57ba539139 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -273,6 +273,7 @@ public class ServerPlayer extends Player {
public Integer clientViewDistance;
// CraftBukkit end
public boolean isRealPlayer; // Paper
+ public double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
public org.bukkit.event.player.PlayerQuitEvent.QuitReason quitReason = null; // Paper - there are a lot of changes to do if we change all methods leading to the event

215
patches/unapplied/server/0685-Optimise-chunk-tick-iteration.patch
View file

@ -1,215 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 7 May 2020 05:48:54 -0700
Subject: [PATCH] Optimise chunk tick iteration
Use a dedicated list of entity ticking chunks to reduce the cost
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index 4164204ba80f68a768de0ed1721c6447b972a631..4ae1ba645d9fdc1eb6d5a3e4f8ceed9b4841e003 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -84,6 +84,11 @@ public class ChunkHolder {
this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
// Paper end - optimise anyPlayerCloseEnoughForSpawning
+ // Paper start - optimise chunk tick iteration
+ if (this.needsBroadcastChanges()) {
+ this.chunkMap.needsChangeBroadcasting.add(this);
+ }
+ // Paper end - optimise chunk tick iteration
}
public void onChunkRemove() {
@@ -91,6 +96,11 @@ public class ChunkHolder {
this.playersInMobSpawnRange = null;
this.playersInChunkTickRange = null;
// Paper end - optimise anyPlayerCloseEnoughForSpawning
+ // Paper start - optimise chunk tick iteration
+ if (this.needsBroadcastChanges()) {
+ this.chunkMap.needsChangeBroadcasting.remove(this);
+ }
+ // Paper end - optimise chunk tick iteration
}
// Paper end
@@ -230,7 +240,7 @@ public class ChunkHolder {
if (i < 0 || i >= this.changedBlocksPerSection.length) return; // CraftBukkit - SPIGOT-6086, SPIGOT-6296
if (this.changedBlocksPerSection[i] == null) {
- this.hasChangedSections = true;
+ this.hasChangedSections = true; this.addToBroadcastMap(); // Paper - optimise chunk tick iteration
this.changedBlocksPerSection[i] = new ShortOpenHashSet();
}
@@ -254,6 +264,7 @@ public class ChunkHolder {
int k = this.lightEngine.getMaxLightSection();
if (y >= j && y <= k) {
+ this.addToBroadcastMap(); // Paper - optimise chunk tick iteration
int l = y - j;
if (lightType == LightLayer.SKY) {
@@ -268,8 +279,19 @@ public class ChunkHolder {
}
}
+ // Paper start - optimise chunk tick iteration
+ public final boolean needsBroadcastChanges() {
+ return this.hasChangedSections || !this.skyChangedLightSectionFilter.isEmpty() || !this.blockChangedLightSectionFilter.isEmpty();
+ }
+
+ private void addToBroadcastMap() {
+ org.spigotmc.AsyncCatcher.catchOp("ChunkHolder update");
+ this.chunkMap.needsChangeBroadcasting.add(this);
+ }
+ // Paper end - optimise chunk tick iteration
+
public void broadcastChanges(LevelChunk chunk) {
- if (this.hasChangedSections || !this.skyChangedLightSectionFilter.isEmpty() || !this.blockChangedLightSectionFilter.isEmpty()) {
+ if (this.needsBroadcastChanges()) { // Paper - moved into above, other logic needs to call
Level world = chunk.getLevel();
List list;
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 80b2ff12e48e1aabebd9ebcf5958c1f5d073d55b..bcf0dfe50add8e260a280e45673727f964bac6fd 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -115,6 +115,8 @@ import org.bukkit.craftbukkit.generator.CustomChunkGenerator;
import org.bukkit.entity.Player;
// CraftBukkit end
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet; // Paper
+
public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider {
private static final byte CHUNK_TYPE_REPLACEABLE = -1;
@@ -152,6 +154,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
private final Queue<Runnable> unloadQueue;
int viewDistance;
public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobDistanceMap; // Paper
+ public final ReferenceOpenHashSet<ChunkHolder> needsChangeBroadcasting = new ReferenceOpenHashSet<>();
// Paper - rewrite chunk system
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 5c5fe2087a7617324ab8e18389e3ffa9ac413026..828de28f2777e2477a9c6545c8af96c4ca4e352b 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -48,6 +48,7 @@ import net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemp
import net.minecraft.world.level.storage.DimensionDataStorage;
import net.minecraft.world.level.storage.LevelData;
import net.minecraft.world.level.storage.LevelStorageSource;
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet; // Paper
public class ServerChunkCache extends ChunkSource {
@@ -574,42 +575,59 @@ public class ServerChunkCache extends ChunkSource {
this.lastSpawnState = spawnercreature_d;
gameprofilerfiller.popPush("filteringLoadedChunks");
- List<ServerChunkCache.ChunkAndHolder> list = Lists.newArrayListWithCapacity(l);
- Iterator iterator = this.chunkMap.getChunks().iterator();
+ // Paper - moved down
this.level.timings.chunkTicks.startTiming(); // Paper
- while (iterator.hasNext()) {
- ChunkHolder playerchunk = (ChunkHolder) iterator.next();
- LevelChunk chunk = playerchunk.getTickingChunk();
-
- if (chunk != null) {
- list.add(new ServerChunkCache.ChunkAndHolder(chunk, playerchunk));
- }
- }
+ // Paper - moved down
gameprofilerfiller.popPush("spawnAndTick");
boolean flag2 = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.players().isEmpty(); // CraftBukkit
- Collections.shuffle(list);
+ // Paper - only shuffle if per-player mob spawning is disabled
// Paper - moved natural spawn event up
- Iterator iterator1 = list.iterator();
+ // Paper start - optimise chunk tick iteratio
+ Iterator<LevelChunk> iterator1;
+ if (this.level.paperConfig().entities.spawning.perPlayerMobSpawns) {
+ iterator1 = this.entityTickingChunks.iterator();
+ } else {
+ iterator1 = this.entityTickingChunks.unsafeIterator();
+ List<LevelChunk> shuffled = Lists.newArrayListWithCapacity(this.entityTickingChunks.size());
+ while (iterator1.hasNext()) {
+ shuffled.add(iterator1.next());
+ }
+ Collections.shuffle(shuffled);
+ iterator1 = shuffled.iterator();
+ }
+ try {
while (iterator1.hasNext()) {
- ServerChunkCache.ChunkAndHolder chunkproviderserver_a = (ServerChunkCache.ChunkAndHolder) iterator1.next();
- LevelChunk chunk1 = chunkproviderserver_a.chunk;
+ LevelChunk chunk1 = iterator1.next();
+ ChunkHolder holder = chunk1.playerChunk;
+ if (holder != null) {
+ // Paper - move down
+ // Paper end - optimise chunk tick iteration
ChunkPos chunkcoordintpair = chunk1.getPos();
- if (this.level.isNaturalSpawningAllowed(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, false)) { // Paper - optimise anyPlayerCloseEnoughForSpawning
+ if ((true || this.level.isNaturalSpawningAllowed(chunkcoordintpair)) && this.chunkMap.anyPlayerCloseEnoughForSpawning(holder, chunkcoordintpair, false)) { // Paper - optimise anyPlayerCloseEnoughForSpawning // Paper - the chunk is known ticking
chunk1.incrementInhabitedTime(j);
- if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, true)) { // Spigot // Paper - optimise anyPlayerCloseEnoughForSpawning
+ if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(holder, chunkcoordintpair, true)) { // Spigot // Paper - optimise anyPlayerCloseEnoughForSpawning & optimise chunk tick iteration
NaturalSpawner.spawnForChunk(this.level, chunk1, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag1);
}
- if (this.level.shouldTickBlocksAt(chunkcoordintpair.toLong())) {
+ if (true || this.level.shouldTickBlocksAt(chunkcoordintpair.toLong())) { // Paper - the chunk is known ticking
this.level.tickChunk(chunk1, k);
}
}
+ // Paper start - optimise chunk tick iteration
+ }
+ }
+
+ } finally {
+ if (iterator1 instanceof io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet.Iterator safeIterator) {
+ safeIterator.finishedIterating();
+ }
}
+ // Paper end - optimise chunk tick iteration
this.level.timings.chunkTicks.stopTiming(); // Paper
gameprofilerfiller.popPush("customSpawners");
if (flag2) {
@@ -617,15 +635,24 @@ public class ServerChunkCache extends ChunkSource {
this.level.tickCustomSpawners(this.spawnEnemies, this.spawnFriendlies);
} // Paper - timings
}
-
- gameprofilerfiller.popPush("broadcast");
- list.forEach((chunkproviderserver_a1) -> {
- this.level.timings.broadcastChunkUpdates.startTiming(); // Paper - timing
- chunkproviderserver_a1.holder.broadcastChanges(chunkproviderserver_a1.chunk);
- this.level.timings.broadcastChunkUpdates.stopTiming(); // Paper - timing
- });
gameprofilerfiller.pop();
+ // Paper start - use set of chunks requiring updates, rather than iterating every single one loaded
+ gameprofilerfiller.popPush("broadcast");
+ this.level.timings.broadcastChunkUpdates.startTiming(); // Paper - timing
+ if (!this.chunkMap.needsChangeBroadcasting.isEmpty()) {
+ ReferenceOpenHashSet<ChunkHolder> copy = this.chunkMap.needsChangeBroadcasting.clone();
+ this.chunkMap.needsChangeBroadcasting.clear();
+ for (ChunkHolder holder : copy) {
+ holder.broadcastChanges(holder.getFullChunkNowUnchecked()); // LevelChunks are NEVER unloaded
+ if (holder.needsBroadcastChanges()) {
+ // I DON'T want to KNOW what DUMB plugins might be doing.
+ this.chunkMap.needsChangeBroadcasting.add(holder);
+ }
+ }
+ }
+ this.level.timings.broadcastChunkUpdates.stopTiming(); // Paper - timing
gameprofilerfiller.pop();
+ // Paper end - use set of chunks requiring updates, rather than iterating every single one loaded
this.chunkMap.tick();
}
}

180
patches/unapplied/server/0686-Execute-chunk-tasks-mid-tick.patch
View file

@ -1,180 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 6 Apr 2020 04:20:44 -0700
Subject: [PATCH] Execute chunk tasks mid-tick
This will help the server load chunks if tick times are high.
diff --git a/src/main/java/co/aikar/timings/MinecraftTimings.java b/src/main/java/co/aikar/timings/MinecraftTimings.java
index 4d861f9a58f8ea238471af22f387854d855b1801..efbf77024d235d8af9f7efc938c17afd76a51b0c 100644
--- a/src/main/java/co/aikar/timings/MinecraftTimings.java
+++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
@@ -47,6 +47,8 @@ public final class MinecraftTimings {
public static final Timing antiXrayUpdateTimer = Timings.ofSafe("anti-xray - update");
public static final Timing antiXrayObfuscateTimer = Timings.ofSafe("anti-xray - obfuscate");
+ public static final Timing midTickChunkTasks = Timings.ofSafe("Mid Tick Chunk Tasks");
+
private static final Map<Class<?>, String> taskNameCache = new MapMaker().weakKeys().makeMap();
private MinecraftTimings() {}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 64081583ee2a29b43d487b3730342dce7ac85e94..b54a3dcbd94582158a7119b92b02be5a4e32877c 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1302,6 +1302,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
private boolean pollTaskInternal() {
if (super.pollTask()) {
+ this.executeMidTickTasks(); // Paper - execute chunk tasks mid tick
return true;
} else {
if (this.haveTime()) {
@@ -2705,4 +2706,74 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
}
// Paper end
+
+ // Paper start - execute chunk tasks mid tick
+ static final long CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME = 25L * 1000L; // 25us
+ static final long MAX_CHUNK_EXEC_TIME = 1000L; // 1us
+
+ static final long TASK_EXECUTION_FAILURE_BACKOFF = 5L * 1000L; // 5us
+
+ private static long lastMidTickExecute;
+ private static long lastMidTickExecuteFailure;
+
+ private boolean tickMidTickTasks() {
+ // give all worlds a fair chance at by targetting them all.
+ // if we execute too many tasks, that's fine - we have logic to correctly handle overuse of allocated time.
+ boolean executed = false;
+ for (ServerLevel world : this.getAllLevels()) {
+ long currTime = System.nanoTime();
+ if (currTime - world.lastMidTickExecuteFailure <= TASK_EXECUTION_FAILURE_BACKOFF) {
+ continue;
+ }
+ if (!world.getChunkSource().pollTask()) {
+ // we need to back off if this fails
+ world.lastMidTickExecuteFailure = currTime;
+ } else {
+ executed = true;
+ }
+ }
+
+ return executed;
+ }
+
+ public final void executeMidTickTasks() {
+ org.spigotmc.AsyncCatcher.catchOp("mid tick chunk task execution");
+ long startTime = System.nanoTime();
+ if ((startTime - lastMidTickExecute) <= CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME || (startTime - lastMidTickExecuteFailure) <= TASK_EXECUTION_FAILURE_BACKOFF) {
+ // it's shown to be bad to constantly hit the queue (chunk loads slow to a crawl), even if no tasks are executed.
+ // so, backoff to prevent this
+ return;
+ }
+
+ co.aikar.timings.MinecraftTimings.midTickChunkTasks.startTiming();
+ try {
+ for (;;) {
+ boolean moreTasks = this.tickMidTickTasks();
+ long currTime = System.nanoTime();
+ long diff = currTime - startTime;
+
+ if (!moreTasks || diff >= MAX_CHUNK_EXEC_TIME) {
+ if (!moreTasks) {
+ lastMidTickExecuteFailure = currTime;
+ }
+
+ // note: negative values reduce the time
+ long overuse = diff - MAX_CHUNK_EXEC_TIME;
+ if (overuse >= (10L * 1000L * 1000L)) { // 10ms
+ // make sure something like a GC or dumb plugin doesn't screw us over...
+ overuse = 10L * 1000L * 1000L; // 10ms
+ }
+
+ double overuseCount = (double)overuse/(double)MAX_CHUNK_EXEC_TIME;
+ long extraSleep = (long)Math.round(overuseCount*CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME);
+
+ lastMidTickExecute = currTime + extraSleep;
+ return;
+ }
+ }
+ } finally {
+ co.aikar.timings.MinecraftTimings.midTickChunkTasks.stopTiming();
+ }
+ }
+ // Paper end - execute chunk tasks mid tick
}
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 828de28f2777e2477a9c6545c8af96c4ca4e352b..2a31265ac49b7a6e32105530d00952ee0c0d4331 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -599,6 +599,8 @@ public class ServerChunkCache extends ChunkSource {
Collections.shuffle(shuffled);
iterator1 = shuffled.iterator();
}
+
+ int chunksTicked = 0; // Paper
try {
while (iterator1.hasNext()) {
LevelChunk chunk1 = iterator1.next();
@@ -616,6 +618,7 @@ public class ServerChunkCache extends ChunkSource {
if (true || this.level.shouldTickBlocksAt(chunkcoordintpair.toLong())) { // Paper - the chunk is known ticking
this.level.tickChunk(chunk1, k);
+ if ((chunksTicked++ & 1) == 0) net.minecraft.server.MinecraftServer.getServer().executeMidTickTasks(); // Paper
}
}
// Paper start - optimise chunk tick iteration
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 0f6d4f80677c54a94a1bbfb861a3bcce17b83489..1d0f87185a8a74394bc2da29828407fd4210754c 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -215,6 +215,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
private final StructureCheck structureCheck;
private final boolean tickTime;
private final RandomSequences randomSequences;
+ public long lastMidTickExecuteFailure; // Paper - execute chunk tasks mid tick
// CraftBukkit start
public final LevelStorageSource.LevelStorageAccess convertable;
@@ -1185,6 +1186,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (fluid1.is(fluid)) {
fluid1.tick(this, pos);
}
+ MinecraftServer.getServer().executeMidTickTasks(); // Paper - exec chunk tasks during world tick
}
@@ -1194,6 +1196,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (iblockdata.is(block)) {
iblockdata.tick(this, pos, this.random);
}
+ MinecraftServer.getServer().executeMidTickTasks(); // Paper - exec chunk tasks during world tick
}
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 7113fdf06bc526af62d08313f8c47e14a2f4b652..e8a705c432c4f10944eaac33f7d4670916070715 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -909,6 +909,11 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
// Spigot end
} else if (this.shouldTickBlocksAt(tickingblockentity.getPos())) {
tickingblockentity.tick();
+ // Paper start - execute chunk tasks during tick
+ if ((this.tileTickPosition & 7) == 0) {
+ MinecraftServer.getServer().executeMidTickTasks();
+ }
+ // Paper end - execute chunk tasks during tick
}
}
this.blockEntityTickers.removeAll(toRemove);
@@ -923,6 +928,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public <T extends Entity> void guardEntityTick(Consumer<T> tickConsumer, T entity) {
try {
tickConsumer.accept(entity);
+ MinecraftServer.getServer().executeMidTickTasks(); // Paper - execute chunk tasks mid tick
} catch (Throwable throwable) {
if (throwable instanceof ThreadDeath) throw throwable; // Paper
// Paper start - Prevent tile entity and entity crashes

777
patches/unapplied/server/0687-Attempt-to-recalculate-regionfile-header-if-it-is-co.patch
View file

@ -1,777 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 2 Feb 2020 02:25:10 -0800
Subject: [PATCH] Attempt to recalculate regionfile header if it is corrupt
Instead of trying to relocate the chunk, which is seems to never
be the correct choice, so we end up duplicating or swapping chunks,
we instead drop the current regionfile header and recalculate -
hoping that at least then we don't swap chunks, and maybe recover
them all.
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
index fce679e2b72d2ce1c8e75710041937c2c0566044..9c6a2884c34a9f6e775103da42480cd6b8c693b3 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
@@ -70,6 +70,18 @@ import net.minecraft.world.ticks.ProtoChunkTicks;
import org.slf4j.Logger;
public class ChunkSerializer {
+ // Paper start
+ // TODO: Check on update
+ public static long getLastWorldSaveTime(CompoundTag chunkData) {
+ final int dataVersion = ChunkStorage.getVersion(chunkData);
+ if (dataVersion < 2842) { // Level tag is removed after this version
+ final CompoundTag levelData = chunkData.getCompound("Level");
+ return levelData.getLong("LastUpdate");
+ } else {
+ return chunkData.getLong("LastUpdate");
+ }
+ }
+ // Paper end
public static final Codec<PalettedContainer<BlockState>> BLOCK_STATE_CODEC = PalettedContainer.codecRW(Block.BLOCK_STATE_REGISTRY, BlockState.CODEC, PalettedContainer.Strategy.SECTION_STATES, Blocks.AIR.defaultBlockState(), null); // Paper - Anti-Xray - Add preset block states
private static final Logger LOGGER = LogUtils.getLogger();
@@ -450,7 +462,7 @@ public class ChunkSerializer {
nbttagcompound.putInt("xPos", chunkcoordintpair.x);
nbttagcompound.putInt("yPos", chunk.getMinSection());
nbttagcompound.putInt("zPos", chunkcoordintpair.z);
- nbttagcompound.putLong("LastUpdate", asyncsavedata != null ? asyncsavedata.worldTime : world.getGameTime()); // Paper - async chunk unloading
+ nbttagcompound.putLong("LastUpdate", asyncsavedata != null ? asyncsavedata.worldTime : world.getGameTime()); // Paper - async chunk unloading // Paper - diff on change
nbttagcompound.putLong("InhabitedTime", chunk.getInhabitedTime());
nbttagcompound.putString("Status", BuiltInRegistries.CHUNK_STATUS.getKey(chunk.getStatus()).toString());
BlendingData blendingdata = chunk.getBlendingData();
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
index e4b3a70ff9f906a10f2ba3c07642193ca3269db7..a5da3333e87bcc9def785a8e742a30d38c0ecc27 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
@@ -41,7 +41,7 @@ public class ChunkStorage implements AutoCloseable {
this.fixerUpper = dataFixer;
// Paper start - async chunk io
// remove IO worker
- this.regionFileCache = new RegionFileStorage(directory, dsync); // Paper - nuke IOWorker
+ this.regionFileCache = new RegionFileStorage(directory, dsync, true); // Paper - nuke IOWorker // Paper
// Paper end - async chunk io
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionBitmap.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionBitmap.java
index c8298a597818227de33a4afce4698ec0666cf758..6baceb6ce9021c489be6e79d338a9704285afa26 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionBitmap.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionBitmap.java
@@ -9,6 +9,27 @@ import java.util.BitSet;
public class RegionBitmap {
private final BitSet used = new BitSet();
+ // Paper start
+ public final void copyFrom(RegionBitmap other) {
+ BitSet thisBitset = this.used;
+ BitSet otherBitset = other.used;
+
+ for (int i = 0; i < Math.max(thisBitset.size(), otherBitset.size()); ++i) {
+ thisBitset.set(i, otherBitset.get(i));
+ }
+ }
+
+ public final boolean tryAllocate(int from, int length) {
+ BitSet bitset = this.used;
+ int firstSet = bitset.nextSetBit(from);
+ if (firstSet > 0 && firstSet < (from + length)) {
+ return false;
+ }
+ bitset.set(from, from + length);
+ return true;
+ }
+ // Paper end
+
public void force(int start, int size) {
this.used.set(start, start + size);
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
index cda87a66fe80bf910f629c64e36c1fecbad81d77..9bae47f99336c377beb72c4b50b7f01cb4db15da 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
@@ -51,6 +51,355 @@ public class RegionFile implements AutoCloseable {
public final java.util.concurrent.locks.ReentrantLock fileLock = new java.util.concurrent.locks.ReentrantLock(true); // Paper
public final Path regionFile; // Paper
+ // Paper start - try to recover from RegionFile header corruption
+ private static long roundToSectors(long bytes) {
+ long sectors = bytes >>> 12; // 4096 = 2^12
+ long remainingBytes = bytes & 4095;
+ long sign = -remainingBytes; // sign is 1 if nonzero
+ return sectors + (sign >>> 63);
+ }
+
+ private static final CompoundTag OVERSIZED_COMPOUND = new CompoundTag();
+
+ private CompoundTag attemptRead(long sector, int chunkDataLength, long fileLength) throws IOException {
+ try {
+ if (chunkDataLength < 0) {
+ return null;
+ }
+
+ long offset = sector * 4096L + 4L; // offset for chunk data
+
+ if ((offset + chunkDataLength) > fileLength) {
+ return null;
+ }
+
+ ByteBuffer chunkData = ByteBuffer.allocate(chunkDataLength);
+ if (chunkDataLength != this.file.read(chunkData, offset)) {
+ return null;
+ }
+
+ ((java.nio.Buffer)chunkData).flip();
+
+ byte compressionType = chunkData.get();
+ if (compressionType < 0) { // compressionType & 128 != 0
+ // oversized chunk
+ return OVERSIZED_COMPOUND;
+ }
+
+ RegionFileVersion compression = RegionFileVersion.fromId(compressionType);
+ if (compression == null) {
+ return null;
+ }
+
+ InputStream input = compression.wrap(new ByteArrayInputStream(chunkData.array(), chunkData.position(), chunkDataLength - chunkData.position()));
+
+ return NbtIo.read(new DataInputStream(input));
+ } catch (Exception ex) {
+ return null;
+ }
+ }
+
+ private int getLength(long sector) throws IOException {
+ ByteBuffer length = ByteBuffer.allocate(4);
+ if (4 != this.file.read(length, sector * 4096L)) {
+ return -1;
+ }
+
+ return length.getInt(0);
+ }
+
+ private void backupRegionFile() {
+ Path backup = this.regionFile.getParent().resolve(this.regionFile.getFileName() + "." + new java.util.Random().nextLong() + ".backup");
+ this.backupRegionFile(backup);
+ }
+
+ private void backupRegionFile(Path to) {
+ try {
+ this.file.force(true);
+ LOGGER.warn("Backing up regionfile \"" + this.regionFile.toAbsolutePath() + "\" to " + to.toAbsolutePath());
+ java.nio.file.Files.copy(this.regionFile, to, java.nio.file.StandardCopyOption.COPY_ATTRIBUTES);
+ LOGGER.warn("Backed up the regionfile to " + to.toAbsolutePath());
+ } catch (IOException ex) {
+ LOGGER.error("Failed to backup to " + to.toAbsolutePath(), ex);
+ }
+ }
+
+ private static boolean inSameRegionfile(ChunkPos first, ChunkPos second) {
+ return (first.x & ~31) == (second.x & ~31) && (first.z & ~31) == (second.z & ~31);
+ }
+
+ // note: only call for CHUNK regionfiles
+ boolean recalculateHeader() throws IOException {
+ if (!this.canRecalcHeader) {
+ return false;
+ }
+ ChunkPos ourLowerLeftPosition = RegionFileStorage.getRegionFileCoordinates(this.regionFile);
+ if (ourLowerLeftPosition == null) {
+ LOGGER.error("Unable to get chunk location of regionfile " + this.regionFile.toAbsolutePath() + ", cannot recover header");
+ return false;
+ }
+ synchronized (this) {
+ LOGGER.warn("Corrupt regionfile header detected! Attempting to re-calculate header offsets for regionfile " + this.regionFile.toAbsolutePath(), new Throwable());
+
+ // try to backup file so maybe it could be sent to us for further investigation
+
+ this.backupRegionFile();
+ CompoundTag[] compounds = new CompoundTag[32 * 32]; // only in the regionfile (i.e exclude mojang/aikar oversized data)
+ int[] rawLengths = new int[32 * 32]; // length of chunk data including 4 byte length field, bytes
+ int[] sectorOffsets = new int[32 * 32]; // in sectors
+ boolean[] hasAikarOversized = new boolean[32 * 32];
+
+ long fileLength = this.file.size();
+ long totalSectors = roundToSectors(fileLength);
+
+ // search the regionfile from start to finish for the most up-to-date chunk data
+
+ for (long i = 2, maxSector = Math.min((long)(Integer.MAX_VALUE >>> 8), totalSectors); i < maxSector; ++i) { // first two sectors are header, skip
+ int chunkDataLength = this.getLength(i);
+ CompoundTag compound = this.attemptRead(i, chunkDataLength, fileLength);
+ if (compound == null || compound == OVERSIZED_COMPOUND) {
+ continue;
+ }
+
+ ChunkPos chunkPos = ChunkSerializer.getChunkCoordinate(compound);
+ if (!inSameRegionfile(ourLowerLeftPosition, chunkPos)) {
+ LOGGER.error("Ignoring absolute chunk " + chunkPos + " in regionfile as it is not contained in the bounds of the regionfile '" + this.regionFile.toAbsolutePath() + "'. It should be in regionfile (" + (chunkPos.x >> 5) + "," + (chunkPos.z >> 5) + ")");
+ continue;
+ }
+ int location = (chunkPos.x & 31) | ((chunkPos.z & 31) << 5);
+
+ CompoundTag otherCompound = compounds[location];
+
+ if (otherCompound != null && ChunkSerializer.getLastWorldSaveTime(otherCompound) > ChunkSerializer.getLastWorldSaveTime(compound)) {
+ continue; // don't overwrite newer data.
+ }
+
+ // aikar oversized?
+ Path aikarOversizedFile = this.getOversizedFile(chunkPos.x, chunkPos.z);
+ boolean isAikarOversized = false;
+ if (Files.exists(aikarOversizedFile)) {
+ try {
+ CompoundTag aikarOversizedCompound = this.getOversizedData(chunkPos.x, chunkPos.z);
+ if (ChunkSerializer.getLastWorldSaveTime(compound) == ChunkSerializer.getLastWorldSaveTime(aikarOversizedCompound)) {
+ // best we got for an id. hope it's good enough
+ isAikarOversized = true;
+ }
+ } catch (Exception ex) {
+ LOGGER.error("Failed to read aikar oversized data for absolute chunk (" + chunkPos.x + "," + chunkPos.z + ") in regionfile " + this.regionFile.toAbsolutePath() + ", oversized data for this chunk will be lost", ex);
+ // fall through, if we can't read aikar oversized we can't risk corrupting chunk data
+ }
+ }
+
+ hasAikarOversized[location] = isAikarOversized;
+ compounds[location] = compound;
+ rawLengths[location] = chunkDataLength + 4;
+ sectorOffsets[location] = (int)i;
+
+ int chunkSectorLength = (int)roundToSectors(rawLengths[location]);
+ i += chunkSectorLength;
+ --i; // gets incremented next iteration
+ }
+
+ // forge style oversized data is already handled by the local search, and aikar data we just hope
+ // we get it right as aikar data has no identifiers we could use to try and find its corresponding
+ // local data compound
+
+ java.nio.file.Path containingFolder = this.externalFileDir;
+ Path[] regionFiles = Files.list(containingFolder).toArray(Path[]::new);
+ boolean[] oversized = new boolean[32 * 32];
+ RegionFileVersion[] oversizedCompressionTypes = new RegionFileVersion[32 * 32];
+
+ if (regionFiles != null) {
+ int lowerXBound = ourLowerLeftPosition.x; // inclusive
+ int lowerZBound = ourLowerLeftPosition.z; // inclusive
+ int upperXBound = lowerXBound + 32 - 1; // inclusive
+ int upperZBound = lowerZBound + 32 - 1; // inclusive
+
+ // read mojang oversized data
+ for (Path regionFile : regionFiles) {
+ ChunkPos oversizedCoords = getOversizedChunkPair(regionFile);
+ if (oversizedCoords == null) {
+ continue;
+ }
+
+ if ((oversizedCoords.x < lowerXBound || oversizedCoords.x > upperXBound) || (oversizedCoords.z < lowerZBound || oversizedCoords.z > upperZBound)) {
+ continue; // not in our regionfile
+ }
+
+ // ensure oversized data is valid & is newer than data in the regionfile
+
+ int location = (oversizedCoords.x & 31) | ((oversizedCoords.z & 31) << 5);
+
+ byte[] chunkData;
+ try {
+ chunkData = Files.readAllBytes(regionFile);
+ } catch (Exception ex) {
+ LOGGER.error("Failed to read oversized chunk data in file " + regionFile.toAbsolutePath() + ", data will be lost", ex);
+ continue;
+ }
+
+ CompoundTag compound = null;
+
+ // We do not know the compression type, as it's stored in the regionfile. So we need to try all of them
+ RegionFileVersion compression = null;
+ for (RegionFileVersion compressionType : RegionFileVersion.VERSIONS.values()) {
+ try {
+ DataInputStream in = new DataInputStream(compressionType.wrap(new ByteArrayInputStream(chunkData))); // typical java
+ compound = NbtIo.read((java.io.DataInput)in);
+ compression = compressionType;
+ break; // reaches here iff readNBT does not throw
+ } catch (Exception ex) {
+ continue;
+ }
+ }
+
+ if (compound == null) {
+ LOGGER.error("Failed to read oversized chunk data in file " + regionFile.toAbsolutePath() + ", it's corrupt. Its data will be lost");
+ continue;
+ }
+
+ if (!ChunkSerializer.getChunkCoordinate(compound).equals(oversizedCoords)) {
+ LOGGER.error("Can't use oversized chunk stored in " + regionFile.toAbsolutePath() + ", got absolute chunkpos: " + ChunkSerializer.getChunkCoordinate(compound) + ", expected " + oversizedCoords);
+ continue;
+ }
+
+ if (compounds[location] == null || ChunkSerializer.getLastWorldSaveTime(compound) > ChunkSerializer.getLastWorldSaveTime(compounds[location])) {
+ oversized[location] = true;
+ oversizedCompressionTypes[location] = compression;
+ }
+ }
+ }
+
+ // now we need to calculate a new offset header
+
+ int[] calculatedOffsets = new int[32 * 32];
+ RegionBitmap newSectorAllocations = new RegionBitmap();
+ newSectorAllocations.force(0, 2); // make space for header
+
+ // allocate sectors for normal chunks
+
+ for (int chunkX = 0; chunkX < 32; ++chunkX) {
+ for (int chunkZ = 0; chunkZ < 32; ++chunkZ) {
+ int location = chunkX | (chunkZ << 5);
+
+ if (oversized[location]) {
+ continue;
+ }
+
+ int rawLength = rawLengths[location]; // bytes
+ int sectorOffset = sectorOffsets[location]; // sectors
+ int sectorLength = (int)roundToSectors(rawLength);
+
+ if (newSectorAllocations.tryAllocate(sectorOffset, sectorLength)) {
+ calculatedOffsets[location] = sectorOffset << 8 | (sectorLength > 255 ? 255 : sectorLength); // support forge style oversized
+ } else {
+ LOGGER.error("Failed to allocate space for local chunk (overlapping data??) at (" + chunkX + "," + chunkZ + ") in regionfile " + this.regionFile.toAbsolutePath() + ", chunk will be regenerated");
+ }
+ }
+ }
+
+ // allocate sectors for oversized chunks
+
+ for (int chunkX = 0; chunkX < 32; ++chunkX) {
+ for (int chunkZ = 0; chunkZ < 32; ++chunkZ) {
+ int location = chunkX | (chunkZ << 5);
+
+ if (!oversized[location]) {
+ continue;
+ }
+
+ int sectorOffset = newSectorAllocations.allocate(1);
+ int sectorLength = 1;
+
+ try {
+ this.file.write(this.createExternalStub(oversizedCompressionTypes[location]), sectorOffset * 4096);
+ // only allocate in the new offsets if the write succeeds
+ calculatedOffsets[location] = sectorOffset << 8 | (sectorLength > 255 ? 255 : sectorLength); // support forge style oversized
+ } catch (IOException ex) {
+ newSectorAllocations.free(sectorOffset, sectorLength);
+ LOGGER.error("Failed to write new oversized chunk data holder, local chunk at (" + chunkX + "," + chunkZ + ") in regionfile " + this.regionFile.toAbsolutePath() + " will be regenerated");
+ }
+ }
+ }
+
+ // rewrite aikar oversized data
+
+ this.oversizedCount = 0;
+ for (int chunkX = 0; chunkX < 32; ++chunkX) {
+ for (int chunkZ = 0; chunkZ < 32; ++chunkZ) {
+ int location = chunkX | (chunkZ << 5);
+ int isAikarOversized = hasAikarOversized[location] ? 1 : 0;
+
+ this.oversizedCount += isAikarOversized;
+ this.oversized[location] = (byte)isAikarOversized;
+ }
+ }
+
+ if (this.oversizedCount > 0) {
+ try {
+ this.writeOversizedMeta();
+ } catch (Exception ex) {
+ LOGGER.error("Failed to write aikar oversized chunk meta, all aikar style oversized chunk data will be lost for regionfile " + this.regionFile.toAbsolutePath(), ex);
+ Files.deleteIfExists(this.getOversizedMetaFile());
+ }
+ } else {
+ Files.deleteIfExists(this.getOversizedMetaFile());
+ }
+
+ this.usedSectors.copyFrom(newSectorAllocations);
+
+ // before we overwrite the old sectors, print a summary of the chunks that got changed.
+
+ LOGGER.info("Starting summary of changes for regionfile " + this.regionFile.toAbsolutePath());
+
+ for (int chunkX = 0; chunkX < 32; ++chunkX) {
+ for (int chunkZ = 0; chunkZ < 32; ++chunkZ) {
+ int location = chunkX | (chunkZ << 5);
+
+ int oldOffset = this.offsets.get(location);
+ int newOffset = calculatedOffsets[location];
+
+ if (oldOffset == newOffset) {
+ continue;
+ }
+
+ this.offsets.put(location, newOffset); // overwrite incorrect offset
+
+ if (oldOffset == 0) {
+ // found lost data
+ LOGGER.info("Found missing data for local chunk (" + chunkX + "," + chunkZ + ") in regionfile " + this.regionFile.toAbsolutePath());
+ } else if (newOffset == 0) {
+ LOGGER.warn("Data for local chunk (" + chunkX + "," + chunkZ + ") could not be recovered in regionfile " + this.regionFile.toAbsolutePath() + ", it will be regenerated");
+ } else {
+ LOGGER.info("Local chunk (" + chunkX + "," + chunkZ + ") changed to point to newer data or correct chunk in regionfile " + this.regionFile.toAbsolutePath());
+ }
+ }
+ }
+
+ LOGGER.info("End of change summary for regionfile " + this.regionFile.toAbsolutePath());
+
+ // simply destroy the timestamp header, it's not used
+
+ for (int i = 0; i < 32 * 32; ++i) {
+ this.timestamps.put(i, calculatedOffsets[i] != 0 ? (int)System.currentTimeMillis() : 0); // write a valid timestamp for valid chunks, I do not want to find out whatever dumb program actually checks this
+ }
+
+ // write new header
+ try {
+ this.flush();
+ this.file.force(true); // try to ensure it goes through...
+ LOGGER.info("Successfully wrote new header to disk for regionfile " + this.regionFile.toAbsolutePath());
+ } catch (IOException ex) {
+ LOGGER.error("Failed to write new header to disk for regionfile " + this.regionFile.toAbsolutePath(), ex);
+ }
+ }
+
+ return true;
+ }
+
+ final boolean canRecalcHeader; // final forces compile fail on new constructor
+ // Paper end
+
// Paper start - Cache chunk status
private final net.minecraft.world.level.chunk.ChunkStatus[] statuses = new net.minecraft.world.level.chunk.ChunkStatus[32 * 32];
@@ -78,8 +427,19 @@ public class RegionFile implements AutoCloseable {
public RegionFile(Path file, Path directory, boolean dsync) throws IOException {
this(file, directory, RegionFileVersion.VERSION_DEFLATE, dsync);
}
+ // Paper start - add can recalc flag
+ public RegionFile(Path file, Path directory, boolean dsync, boolean canRecalcHeader) throws IOException {
+ this(file, directory, RegionFileVersion.VERSION_DEFLATE, dsync, canRecalcHeader);
+ }
+ // Paper end - add can recalc flag
public RegionFile(Path file, Path directory, RegionFileVersion outputChunkStreamVersion, boolean dsync) throws IOException {
+ // Paper start - add can recalc flag
+ this(file, directory, outputChunkStreamVersion, dsync, false);
+ }
+ public RegionFile(Path file, Path directory, RegionFileVersion outputChunkStreamVersion, boolean dsync, boolean canRecalcHeader) throws IOException {
+ this.canRecalcHeader = canRecalcHeader;
+ // Paper end - add can recalc flag
this.header = ByteBuffer.allocateDirect(8192);
this.regionFile = file; // Paper
initOversizedState(); // Paper
@@ -108,14 +468,16 @@ public class RegionFile implements AutoCloseable {
RegionFile.LOGGER.warn("Region file {} has truncated header: {}", file, i);
}
- long j = Files.size(file);
+ final long j = Files.size(file); final long regionFileSize = j; // Paper - recalculate header on header corruption
- for (int k = 0; k < 1024; ++k) {
- int l = this.offsets.get(k);
+ boolean needsHeaderRecalc = false; // Paper - recalculate header on header corruption
+ boolean hasBackedUp = false; // Paper - recalculate header on header corruption
+ for (int k = 0; k < 1024; ++k) { final int headerLocation = k; // Paper - we expect this to be the header location
+ final int l = this.offsets.get(k);
if (l != 0) {
- int i1 = RegionFile.getSectorNumber(l);
- int j1 = RegionFile.getNumSectors(l);
+ final int i1 = RegionFile.getSectorNumber(l); final int offset = i1; // Paper - we expect this to be offset in file in sectors
+ int j1 = RegionFile.getNumSectors(l); final int sectorLength; // Paper - diff on change, we expect this to be sector length of region - watch out for reassignments
// Spigot start
if (j1 == 255) {
// We're maxed out, so we need to read the proper length from the section
@@ -124,32 +486,102 @@ public class RegionFile implements AutoCloseable {
j1 = (realLen.getInt(0) + 4) / 4096 + 1;
}
// Spigot end
+ sectorLength = j1; // Paper - diff on change, we expect this to be sector length of region
if (i1 < 2) {
RegionFile.LOGGER.warn("Region file {} has invalid sector at index: {}; sector {} overlaps with header", new Object[]{file, k, i1});
- this.offsets.put(k, 0);
+ //this.offsets.put(k, 0); // Paper - we catch this, but need it in the header for the summary change
} else if (j1 == 0) {
RegionFile.LOGGER.warn("Region file {} has an invalid sector at index: {}; size has to be > 0", file, k);
- this.offsets.put(k, 0);
+ //this.offsets.put(k, 0); // Paper - we catch this, but need it in the header for the summary change
} else if ((long) i1 * 4096L > j) {
RegionFile.LOGGER.warn("Region file {} has an invalid sector at index: {}; sector {} is out of bounds", new Object[]{file, k, i1});
- this.offsets.put(k, 0);
+ //this.offsets.put(k, 0); // Paper - we catch this, but need it in the header for the summary change
} else {
- this.usedSectors.force(i1, j1);
+ //this.usedSectors.force(i1, j1); // Paper - move this down so we can check if it fails to allocate
+ }
+ // Paper start - recalculate header on header corruption
+ if (offset < 2 || sectorLength <= 0 || ((long)offset * 4096L) > regionFileSize) {
+ if (canRecalcHeader) {
+ LOGGER.error("Detected invalid header for regionfile " + this.regionFile.toAbsolutePath() + "! Recalculating header...");
+ needsHeaderRecalc = true;
+ break;
+ } else {
+ // location = chunkX | (chunkZ << 5);
+ LOGGER.error("Detected invalid header for regionfile " + this.regionFile.toAbsolutePath() +
+ "! Cannot recalculate, removing local chunk (" + (headerLocation & 31) + "," + (headerLocation >>> 5) + ") from header");
+ if (!hasBackedUp) {
+ hasBackedUp = true;
+ this.backupRegionFile();
+ }
+ this.timestamps.put(headerLocation, 0); // be consistent, delete the timestamp too
+ this.offsets.put(headerLocation, 0); // delete the entry from header
+ continue;
+ }
+ }
+ boolean failedToAllocate = !this.usedSectors.tryAllocate(offset, sectorLength);
+ if (failedToAllocate) {
+ LOGGER.error("Overlapping allocation by local chunk (" + (headerLocation & 31) + "," + (headerLocation >>> 5) + ") in regionfile " + this.regionFile.toAbsolutePath());
}
+ if (failedToAllocate & !canRecalcHeader) {
+ // location = chunkX | (chunkZ << 5);
+ LOGGER.error("Detected invalid header for regionfile " + this.regionFile.toAbsolutePath() +
+ "! Cannot recalculate, removing local chunk (" + (headerLocation & 31) + "," + (headerLocation >>> 5) + ") from header");
+ if (!hasBackedUp) {
+ hasBackedUp = true;
+ this.backupRegionFile();
+ }
+ this.timestamps.put(headerLocation, 0); // be consistent, delete the timestamp too
+ this.offsets.put(headerLocation, 0); // delete the entry from header
+ continue;
+ }
+ needsHeaderRecalc |= failedToAllocate;
+ // Paper end - recalculate header on header corruption
}
}
+ // Paper start - recalculate header on header corruption
+ // we move the recalc here so comparison to old header is correct when logging to console
+ if (needsHeaderRecalc) { // true if header gave us overlapping allocations or had other issues
+ LOGGER.error("Recalculating regionfile " + this.regionFile.toAbsolutePath() + ", header gave erroneous offsets & locations");
+ this.recalculateHeader();
+ }
+ // Paper end
}
}
}
private Path getExternalChunkPath(ChunkPos chunkPos) {
- String s = "c." + chunkPos.x + "." + chunkPos.z + ".mcc";
+ String s = "c." + chunkPos.x + "." + chunkPos.z + ".mcc"; // Paper - diff on change
return this.externalFileDir.resolve(s);
}
+ // Paper start
+ private static ChunkPos getOversizedChunkPair(Path file) {
+ String fileName = file.getFileName().toString();
+
+ if (!fileName.startsWith("c.") || !fileName.endsWith(".mcc")) {
+ return null;
+ }
+
+ String[] split = fileName.split("\\.");
+
+ if (split.length != 4) {
+ return null;
+ }
+
+ try {
+ int x = Integer.parseInt(split[1]);
+ int z = Integer.parseInt(split[2]);
+
+ return new ChunkPos(x, z);
+ } catch (NumberFormatException ex) {
+ return null;
+ }
+ }
+ // Paper end
+
@Nullable
public synchronized DataInputStream getChunkDataInputStream(ChunkPos pos) throws IOException {
int i = this.getOffset(pos);
@@ -173,6 +605,11 @@ public class RegionFile implements AutoCloseable {
((java.nio.Buffer) bytebuffer).flip(); // CraftBukkit - decompile error
if (bytebuffer.remaining() < 5) {
RegionFile.LOGGER.error("Chunk {} header is truncated: expected {} but read {}", new Object[]{pos, l, bytebuffer.remaining()});
+ // Paper start - recalculate header on regionfile corruption
+ if (this.canRecalcHeader && this.recalculateHeader()) {
+ return this.getChunkDataInputStream(pos);
+ }
+ // Paper end - recalculate header on regionfile corruption
return null;
} else {
int i1 = bytebuffer.getInt();
@@ -180,6 +617,11 @@ public class RegionFile implements AutoCloseable {
if (i1 == 0) {
RegionFile.LOGGER.warn("Chunk {} is allocated, but stream is missing", pos);
+ // Paper start - recalculate header on regionfile corruption
+ if (this.canRecalcHeader && this.recalculateHeader()) {
+ return this.getChunkDataInputStream(pos);
+ }
+ // Paper end - recalculate header on regionfile corruption
return null;
} else {
int j1 = i1 - 1;
@@ -187,17 +629,44 @@ public class RegionFile implements AutoCloseable {
if (RegionFile.isExternalStreamChunk(b0)) {
if (j1 != 0) {
RegionFile.LOGGER.warn("Chunk has both internal and external streams");
+ // Paper start - recalculate header on regionfile corruption
+ if (this.canRecalcHeader && this.recalculateHeader()) {
+ return this.getChunkDataInputStream(pos);
+ }
+ // Paper end - recalculate header on regionfile corruption
}
- return this.createExternalChunkInputStream(pos, RegionFile.getExternalChunkVersion(b0));
+ // Paper start - recalculate header on regionfile corruption
+ final DataInputStream ret = this.createExternalChunkInputStream(pos, RegionFile.getExternalChunkVersion(b0));
+ if (ret == null && this.canRecalcHeader && this.recalculateHeader()) {
+ return this.getChunkDataInputStream(pos);
+ }
+ return ret;
+ // Paper end - recalculate header on regionfile corruption
} else if (j1 > bytebuffer.remaining()) {
RegionFile.LOGGER.error("Chunk {} stream is truncated: expected {} but read {}", new Object[]{pos, j1, bytebuffer.remaining()});
+ // Paper start - recalculate header on regionfile corruption
+ if (this.canRecalcHeader && this.recalculateHeader()) {
+ return this.getChunkDataInputStream(pos);
+ }
+ // Paper end - recalculate header on regionfile corruption
return null;
} else if (j1 < 0) {
RegionFile.LOGGER.error("Declared size {} of chunk {} is negative", i1, pos);
+ // Paper start - recalculate header on regionfile corruption
+ if (this.canRecalcHeader && this.recalculateHeader()) {
+ return this.getChunkDataInputStream(pos);
+ }
+ // Paper end - recalculate header on regionfile corruption
return null;
} else {
- return this.createChunkInputStream(pos, b0, RegionFile.createStream(bytebuffer, j1));
+ // Paper start - recalculate header on regionfile corruption
+ final DataInputStream ret = this.createChunkInputStream(pos, b0, RegionFile.createStream(bytebuffer, j1));
+ if (ret == null && this.canRecalcHeader && this.recalculateHeader()) {
+ return this.getChunkDataInputStream(pos);
+ }
+ return ret;
+ // Paper end - recalculate header on regionfile corruption
}
}
}
@@ -372,10 +841,15 @@ public class RegionFile implements AutoCloseable {
}
private ByteBuffer createExternalStub() {
+ // Paper start - add version param
+ return this.createExternalStub(this.version);
+ }
+ private ByteBuffer createExternalStub(RegionFileVersion version) {
+ // Paper end - add version param
ByteBuffer bytebuffer = ByteBuffer.allocate(5);
bytebuffer.putInt(1);
- bytebuffer.put((byte) (this.version.getId() | 128));
+ bytebuffer.put((byte) (version.getId() | 128)); // Paper - replace with version param
((java.nio.Buffer) bytebuffer).flip(); // CraftBukkit - decompile error
return bytebuffer;
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
index d3d4d10a77af51cff4da201201bac325427fc20c..c2643f61fe5efb62d15f0798db691c76c7674a6e 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
@@ -25,6 +25,7 @@ public class RegionFileStorage implements AutoCloseable {
public final Long2ObjectLinkedOpenHashMap<RegionFile> regionCache = new Long2ObjectLinkedOpenHashMap();
private final Path folder;
private final boolean sync;
+ private final boolean isChunkData; // Paper
// Paper start - cache regionfile does not exist state
static final int MAX_NON_EXISTING_CACHE = 1024 * 64;
@@ -56,6 +57,12 @@ public class RegionFileStorage implements AutoCloseable {
// Paper end - cache regionfile does not exist state
protected RegionFileStorage(Path directory, boolean dsync) { // Paper - protected constructor
+ // Paper start - add isChunkData param
+ this(directory, dsync, false);
+ }
+ RegionFileStorage(Path directory, boolean dsync, boolean isChunkData) {
+ this.isChunkData = isChunkData;
+ // Paper end - add isChunkData param
this.folder = directory;
this.sync = dsync;
}
@@ -125,7 +132,7 @@ public class RegionFileStorage implements AutoCloseable {
// Paper - only create directory if not existing only - moved down
Path path = this.folder;
int j = chunkcoordintpair.getRegionX();
- Path path1 = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + ".mca");
+ Path path1 = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + ".mca"); // Paper - diff on change
if (existingOnly && !java.nio.file.Files.exists(path1)) { // Paper start - cache regionfile does not exist state
this.markNonExisting(regionPos);
return null; // CraftBukkit
@@ -134,7 +141,7 @@ public class RegionFileStorage implements AutoCloseable {
}
// Paper end - cache regionfile does not exist state
FileUtil.createDirectoriesSafe(this.folder); // Paper - only create directory if not existing only - moved from above
- RegionFile regionfile1 = new RegionFile(path1, this.folder, this.sync);
+ RegionFile regionfile1 = new RegionFile(path1, this.folder, this.sync, this.isChunkData); // Paper - allow for chunk regionfiles to regen header
this.regionCache.putAndMoveToFirst(i, regionfile1);
// Paper start
@@ -219,6 +226,13 @@ public class RegionFileStorage implements AutoCloseable {
if (regionfile == null) {
return null;
}
+ // Paper start - Add regionfile parameter
+ return this.read(pos, regionfile);
+ }
+ public CompoundTag read(ChunkPos pos, RegionFile regionfile) throws IOException {
+ // We add the regionfile parameter to avoid the potential deadlock (on fileLock) if we went back to obtain a regionfile
+ // if we decide to re-read
+ // Paper end
// CraftBukkit end
try { // Paper
DataInputStream datainputstream = regionfile.getChunkDataInputStream(pos);
@@ -235,6 +249,20 @@ public class RegionFileStorage implements AutoCloseable {
try {
if (datainputstream != null) {
nbttagcompound = NbtIo.read((DataInput) datainputstream);
+ // Paper start - recover from corrupt regionfile header
+ if (this.isChunkData) {
+ ChunkPos chunkPos = ChunkSerializer.getChunkCoordinate(nbttagcompound);
+ if (!chunkPos.equals(pos)) {
+ net.minecraft.server.MinecraftServer.LOGGER.error("Attempting to read chunk data at " + pos + " but got chunk data for " + chunkPos + " instead! Attempting regionfile recalculation for regionfile " + regionfile.regionFile.toAbsolutePath());
+ if (regionfile.recalculateHeader()) {
+ regionfile.fileLock.lock(); // otherwise we will unlock twice and only lock once.
+ return this.read(pos, regionfile);
+ }
+ net.minecraft.server.MinecraftServer.LOGGER.error("Can't recalculate regionfile header, regenerating chunk " + pos + " for " + regionfile.regionFile.toAbsolutePath());
+ return null;
+ }
+ }
+ // Paper end - recover from corrupt regionfile header
break label43;
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
index 5fa7a842431dd64c7a0dc5d8e940563a2aeef463..4411e427d3b6b592f8a18e61b6c59309cf699d3f 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
@@ -14,7 +14,7 @@ import javax.annotation.Nullable;
import net.minecraft.util.FastBufferedInputStream;
public class RegionFileVersion {
- private static final Int2ObjectMap<RegionFileVersion> VERSIONS = new Int2ObjectOpenHashMap<>();
+ public static final Int2ObjectMap<RegionFileVersion> VERSIONS = new Int2ObjectOpenHashMap<>(); // Paper - private -> public
public static final RegionFileVersion VERSION_GZIP = register(new RegionFileVersion(1, (stream) -> {
return new FastBufferedInputStream(new GZIPInputStream(stream));
}, (stream) -> {

343
patches/unapplied/server/0688-Custom-table-implementation-for-blockstate-state-loo.patch
View file

@ -1,343 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 11 Mar 2021 20:05:44 -0800
Subject: [PATCH] Custom table implementation for blockstate state lookups
Testing some redstone intensive machines showed to bring about a 10%
improvement.
diff --git a/src/main/java/io/papermc/paper/util/table/ZeroCollidingReferenceStateTable.java b/src/main/java/io/papermc/paper/util/table/ZeroCollidingReferenceStateTable.java
new file mode 100644
index 0000000000000000000000000000000000000000..57d0cd3ad6f972e986c72a57f1a6e36003f190c2
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/table/ZeroCollidingReferenceStateTable.java
@@ -0,0 +1,160 @@
+package io.papermc.paper.util.table;
+
+import com.google.common.collect.Table;
+import net.minecraft.world.level.block.state.StateHolder;
+import net.minecraft.world.level.block.state.properties.Property;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public final class ZeroCollidingReferenceStateTable {
+
+ // upper 32 bits: starting index
+ // lower 32 bits: bitset for contained ids
+ protected final long[] this_index_table;
+ protected final Comparable<?>[] this_table;
+ protected final StateHolder<?, ?> this_state;
+
+ protected long[] index_table;
+ protected StateHolder<?, ?>[][] value_table;
+
+ public ZeroCollidingReferenceStateTable(final StateHolder<?, ?> state, final Map<Property<?>, Comparable<?>> this_map) {
+ this.this_state = state;
+ this.this_index_table = this.create_table(this_map.keySet());
+
+ int max_id = -1;
+ for (final Property<?> property : this_map.keySet()) {
+ final int id = lookup_vindex(property, this.this_index_table);
+ if (id > max_id) {
+ max_id = id;
+ }
+ }
+
+ this.this_table = new Comparable[max_id + 1];
+ for (final Map.Entry<Property<?>, Comparable<?>> entry : this_map.entrySet()) {
+ this.this_table[lookup_vindex(entry.getKey(), this.this_index_table)] = entry.getValue();
+ }
+ }
+
+ public void loadInTable(final Table<Property<?>, Comparable<?>, StateHolder<?, ?>> table,
+ final Map<Property<?>, Comparable<?>> this_map) {
+ final Set<Property<?>> combined = new HashSet<>(table.rowKeySet());
+ combined.addAll(this_map.keySet());
+
+ this.index_table = this.create_table(combined);
+
+ int max_id = -1;
+ for (final Property<?> property : combined) {
+ final int id = lookup_vindex(property, this.index_table);
+ if (id > max_id) {
+ max_id = id;
+ }
+ }
+
+ this.value_table = new StateHolder[max_id + 1][];
+
+ final Map<Property<?>, Map<Comparable<?>, StateHolder<?, ?>>> map = table.rowMap();
+ for (final Property<?> property : map.keySet()) {
+ final Map<Comparable<?>, StateHolder<?, ?>> propertyMap = map.get(property);
+
+ final int id = lookup_vindex(property, this.index_table);
+ final StateHolder<?, ?>[] states = this.value_table[id] = new StateHolder[property.getPossibleValues().size()];
+
+ for (final Map.Entry<Comparable<?>, StateHolder<?, ?>> entry : propertyMap.entrySet()) {
+ if (entry.getValue() == null) {
+ // TODO what
+ continue;
+ }
+
+ states[((Property)property).getIdFor(entry.getKey())] = entry.getValue();
+ }
+ }
+
+
+ for (final Map.Entry<Property<?>, Comparable<?>> entry : this_map.entrySet()) {
+ final Property<?> property = entry.getKey();
+ final int index = lookup_vindex(property, this.index_table);
+
+ if (this.value_table[index] == null) {
+ this.value_table[index] = new StateHolder[property.getPossibleValues().size()];
+ }
+
+ this.value_table[index][((Property)property).getIdFor(entry.getValue())] = this.this_state;
+ }
+ }
+
+
+ protected long[] create_table(final Collection<Property<?>> collection) {
+ int max_id = -1;
+ for (final Property<?> property : collection) {
+ final int id = property.getId();
+ if (id > max_id) {
+ max_id = id;
+ }
+ }
+
+ final long[] ret = new long[((max_id + 1) + 31) >>> 5]; // ceil((max_id + 1) / 32)
+
+ for (final Property<?> property : collection) {
+ final int id = property.getId();
+
+ ret[id >>> 5] |= (1L << (id & 31));
+ }
+
+ int total = 0;
+ for (int i = 1, len = ret.length; i < len; ++i) {
+ ret[i] |= (long)(total += Long.bitCount(ret[i - 1] & 0xFFFFFFFFL)) << 32;
+ }
+
+ return ret;
+ }
+
+ public Comparable<?> get(final Property<?> state) {
+ final Comparable<?>[] table = this.this_table;
+ final int index = lookup_vindex(state, this.this_index_table);
+
+ if (index < 0 || index >= table.length) {
+ return null;
+ }
+ return table[index];
+ }
+
+ public StateHolder<?, ?> get(final Property<?> property, final Comparable<?> with) {
+ final int withId = ((Property)property).getIdFor(with);
+ if (withId < 0) {
+ return null;
+ }
+
+ final int index = lookup_vindex(property, this.index_table);
+ final StateHolder<?, ?>[][] table = this.value_table;
+ if (index < 0 || index >= table.length) {
+ return null;
+ }
+
+ final StateHolder<?, ?>[] values = table[index];
+
+ if (withId >= values.length) {
+ return null;
+ }
+
+ return values[withId];
+ }
+
+ protected static int lookup_vindex(final Property<?> property, final long[] index_table) {
+ final int id = property.getId();
+ final long bitset_mask = (1L << (id & 31));
+ final long lower_mask = bitset_mask - 1;
+ final int index = id >>> 5;
+ if (index >= index_table.length) {
+ return -1;
+ }
+ final long index_value = index_table[index];
+ final long contains_check = ((index_value & bitset_mask) - 1) >> (Long.SIZE - 1); // -1L if doesn't contain
+
+ // index = total bits set in lower table values (upper 32 bits of index_value) plus total bits set in lower indices below id
+ // contains_check is 0 if the bitset had id set, else it's -1: so index is unaffected if contains_check == 0,
+ // otherwise it comes out as -1.
+ return (int)(((index_value >>> 32) + Long.bitCount(index_value & lower_mask)) | contains_check);
+ }
+}
diff --git a/src/main/java/net/minecraft/world/level/block/state/StateHolder.java b/src/main/java/net/minecraft/world/level/block/state/StateHolder.java
index 89ba12d44865ecddebabbc39c769af4cd8c82702..5f285d190186a2ff5a61d05070593e1d633dd79a 100644
--- a/src/main/java/net/minecraft/world/level/block/state/StateHolder.java
+++ b/src/main/java/net/minecraft/world/level/block/state/StateHolder.java
@@ -39,11 +39,13 @@ public abstract class StateHolder<O, S> {
private final ImmutableMap<Property<?>, Comparable<?>> values;
private Table<Property<?>, Comparable<?>, S> neighbours;
protected final MapCodec<S> propertiesCodec;
+ protected final io.papermc.paper.util.table.ZeroCollidingReferenceStateTable optimisedTable; // Paper - optimise state lookup
protected StateHolder(O owner, ImmutableMap<Property<?>, Comparable<?>> entries, MapCodec<S> codec) {
this.owner = owner;
this.values = entries;
this.propertiesCodec = codec;
+ this.optimisedTable = new io.papermc.paper.util.table.ZeroCollidingReferenceStateTable(this, entries); // Paper - optimise state lookup
}
public <T extends Comparable<T>> S cycle(Property<T> property) {
@@ -84,11 +86,11 @@ public abstract class StateHolder<O, S> {
}
public <T extends Comparable<T>> boolean hasProperty(Property<T> property) {
- return this.values.containsKey(property);
+ return this.optimisedTable.get(property) != null; // Paper - optimise state lookup
}
public <T extends Comparable<T>> T getValue(Property<T> property) {
- Comparable<?> comparable = this.values.get(property);
+ Comparable<?> comparable = this.optimisedTable.get(property); // Paper - optimise state lookup
if (comparable == null) {
throw new IllegalArgumentException("Cannot get property " + property + " as it does not exist in " + this.owner);
} else {
@@ -97,24 +99,18 @@ public abstract class StateHolder<O, S> {
}
public <T extends Comparable<T>> Optional<T> getOptionalValue(Property<T> property) {
- Comparable<?> comparable = this.values.get(property);
+ Comparable<?> comparable = this.optimisedTable.get(property); // Paper - optimise state lookup
return comparable == null ? Optional.empty() : Optional.of(property.getValueClass().cast(comparable));
}
public <T extends Comparable<T>, V extends T> S setValue(Property<T> property, V value) {
- Comparable<?> comparable = this.values.get(property);
- if (comparable == null) {
- throw new IllegalArgumentException("Cannot set property " + property + " as it does not exist in " + this.owner);
- } else if (comparable.equals(value)) {
- return (S)this;
- } else {
- S object = this.neighbours.get(property, value);
- if (object == null) {
- throw new IllegalArgumentException("Cannot set property " + property + " to " + value + " on " + this.owner + ", it is not an allowed value");
- } else {
- return object;
- }
+ // Paper start - optimise state lookup
+ final S ret = (S)this.optimisedTable.get(property, value);
+ if (ret == null) {
+ throw new IllegalArgumentException("Cannot set property " + property + " to " + value + " on " + this.owner + ", it is not an allowed value");
}
+ return ret;
+ // Paper end - optimise state lookup
}
public <T extends Comparable<T>, V extends T> S trySetValue(Property<T> property, V value) {
@@ -147,7 +143,7 @@ public abstract class StateHolder<O, S> {
}
}
- this.neighbours = (Table<Property<?>, Comparable<?>, S>)(table.isEmpty() ? table : ArrayTable.create(table));
+ this.neighbours = (Table<Property<?>, Comparable<?>, S>)(table.isEmpty() ? table : ArrayTable.create(table)); this.optimisedTable.loadInTable((Table)this.neighbours, this.values); // Paper - optimise state lookup
}
}
diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
index ff1a0d125edd2ea10c870cbb62ae9aa23644b6dc..233215280f8494dbc33a2fd0b14e37e59f1cb643 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
@@ -7,6 +7,13 @@ import java.util.Optional;
public class BooleanProperty extends Property<Boolean> {
private final ImmutableSet<Boolean> values = ImmutableSet.of(true, false);
+ // Paper start - optimise iblockdata state lookup
+ @Override
+ public final int getIdFor(final Boolean value) {
+ return value.booleanValue() ? 1 : 0;
+ }
+ // Paper end - optimise iblockdata state lookup
+
protected BooleanProperty(String name) {
super(name, Boolean.class);
}
diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
index 0bca0f971dac994bd8b6ecd87e8b33e26c0f18f9..edd3c745efb40ee79a1393199c7a27ddaa2f8026 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
@@ -15,6 +15,15 @@ public class EnumProperty<T extends Enum<T> & StringRepresentable> extends Prope
private final ImmutableSet<T> values;
private final Map<String, T> names = Maps.newHashMap();
+ // Paper start - optimise iblockdata state lookup
+ private int[] idLookupTable;
+
+ @Override
+ public final int getIdFor(final T value) {
+ return this.idLookupTable[value.ordinal()];
+ }
+ // Paper end - optimise iblockdata state lookup
+
protected EnumProperty(String name, Class<T> type, Collection<T> values) {
super(name, type);
this.values = ImmutableSet.copyOf(values);
@@ -28,6 +37,14 @@ public class EnumProperty<T extends Enum<T> & StringRepresentable> extends Prope
this.names.put(string, enum_);
}
+ // Paper start - optimise iblockdata state lookup
+ int id = 0;
+ this.idLookupTable = new int[type.getEnumConstants().length];
+ java.util.Arrays.fill(this.idLookupTable, -1);
+ for (final T value : this.getPossibleValues()) {
+ this.idLookupTable[value.ordinal()] = id++;
+ }
+ // Paper end - optimise iblockdata state lookup
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
index bdbe0362e49e73c05237f9f3143230e0b03e494e..8eb20ea852a8e89c431fea55a7b60833a6c8104f 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
@@ -11,6 +11,16 @@ public class IntegerProperty extends Property<Integer> {
public final int min;
public final int max;
+ // Paper start - optimise iblockdata state lookup
+ @Override
+ public final int getIdFor(final Integer value) {
+ final int val = value.intValue();
+ final int ret = val - this.min;
+
+ return ret | ((this.max - ret) >> 31);
+ }
+ // Paper end - optimise iblockdata state lookup
+
protected IntegerProperty(String name, int min, int max) {
super(name, Integer.class);
if (min < 0) {
diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/Property.java b/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
index 66b8e23d799adaf872233ea44c54330d75135544..9d4faa3da8d62028074ce25f4a728e9ba5281428 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
@@ -24,6 +24,17 @@ public abstract class Property<T extends Comparable<T>> {
}, this::getName);
private final Codec<Property.Value<T>> valueCodec = this.codec.xmap(this::value, Property.Value::value);
+ // Paper start - optimise iblockdata state lookup
+ private static final java.util.concurrent.atomic.AtomicInteger ID_GENERATOR = new java.util.concurrent.atomic.AtomicInteger();
+ private final int id = ID_GENERATOR.getAndIncrement();
+
+ public final int getId() {
+ return this.id;
+ }
+
+ public abstract int getIdFor(final T value);
+ // Paper end - optimise state lookup
+
protected Property(String name, Class<T> type) {
this.clazz = type;
this.name = name;

295
patches/unapplied/server/0689-Detail-more-information-in-watchdog-dumps.patch
View file

@ -1,295 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 26 Mar 2020 21:59:32 -0700
Subject: [PATCH] Detail more information in watchdog dumps
- Dump position, world, velocity, and uuid for currently ticking entities
- Dump player name, player uuid, position, and world for packet handling
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 95f5ec348ab24b28c19b46cea7b023a1d49998b5..890d14503e157d6c07a6db1f180f49f81118e301 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -528,7 +528,13 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
if (!(this.packetListener instanceof net.minecraft.server.network.ServerLoginPacketListenerImpl loginPacketListener)
|| loginPacketListener.state != net.minecraft.server.network.ServerLoginPacketListenerImpl.State.READY_TO_ACCEPT
|| Connection.joinAttemptsThisTick++ < MAX_PER_TICK) {
+ // Paper start - detailed watchdog information
+ net.minecraft.network.protocol.PacketUtils.packetProcessing.push(this.packetListener);
+ try { // Paper end - detailed watchdog information
tickablepacketlistener.tick();
+ } finally { // Paper start - detailed watchdog information
+ net.minecraft.network.protocol.PacketUtils.packetProcessing.pop();
+ } // Paper end - detailed watchdog information
}
// Paper end
}
diff --git a/src/main/java/net/minecraft/network/protocol/PacketUtils.java b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
index 4a1148a76020089caf01f888f87afdbb35788dc0..52a84eeb3b7df782cbf91aac6df42fb8f99077f6 100644
--- a/src/main/java/net/minecraft/network/protocol/PacketUtils.java
+++ b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
@@ -15,6 +15,24 @@ public class PacketUtils {
private static final Logger LOGGER = LogUtils.getLogger();
+ // Paper start - detailed watchdog information
+ public static final java.util.concurrent.ConcurrentLinkedDeque<PacketListener> packetProcessing = new java.util.concurrent.ConcurrentLinkedDeque<>();
+ static final java.util.concurrent.atomic.AtomicLong totalMainThreadPacketsProcessed = new java.util.concurrent.atomic.AtomicLong();
+
+ public static long getTotalProcessedPackets() {
+ return totalMainThreadPacketsProcessed.get();
+ }
+
+ public static java.util.List<PacketListener> getCurrentPacketProcessors() {
+ java.util.List<PacketListener> ret = new java.util.ArrayList<>(4);
+ for (PacketListener listener : packetProcessing) {
+ ret.add(listener);
+ }
+
+ return ret;
+ }
+ // Paper end - detailed watchdog information
+
public PacketUtils() {}
public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T listener, ServerLevel world) throws RunningOnDifferentThreadException {
@@ -24,6 +42,8 @@ public class PacketUtils {
public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T listener, BlockableEventLoop<?> engine) throws RunningOnDifferentThreadException {
if (!engine.isSameThread()) {
engine.executeIfPossible(() -> {
+ packetProcessing.push(listener); // Paper - detailed watchdog information
+ try { // Paper - detailed watchdog information
if (MinecraftServer.getServer().hasStopped() || (listener instanceof ServerGamePacketListenerImpl && ((ServerGamePacketListenerImpl) listener).processedDisconnect)) return; // CraftBukkit, MC-142590
if (listener.isAcceptingMessages()) {
co.aikar.timings.Timing timing = co.aikar.timings.MinecraftTimings.getPacketTiming(packet); // Paper - timings
@@ -39,6 +59,12 @@ public class PacketUtils {
} else {
PacketUtils.LOGGER.debug("Ignoring packet due to disconnection: {}", packet);
}
+ // Paper start - detailed watchdog information
+ } finally {
+ totalMainThreadPacketsProcessed.getAndIncrement();
+ packetProcessing.pop();
+ }
+ // Paper end - detailed watchdog information
});
throw RunningOnDifferentThreadException.RUNNING_ON_DIFFERENT_THREAD;
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 1d0f87185a8a74394bc2da29828407fd4210754c..d6429d721116aac2a4df8d0b217e9efcb698094e 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1200,7 +1200,26 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
+ // Paper start - log detailed entity tick information
+ // TODO replace with varhandle
+ static final java.util.concurrent.atomic.AtomicReference<Entity> currentlyTickingEntity = new java.util.concurrent.atomic.AtomicReference<>();
+
+ public static List<Entity> getCurrentlyTickingEntities() {
+ Entity ticking = currentlyTickingEntity.get();
+ List<Entity> ret = java.util.Arrays.asList(ticking == null ? new Entity[0] : new Entity[] { ticking });
+
+ return ret;
+ }
+ // Paper end - log detailed entity tick information
+
public void tickNonPassenger(Entity entity) {
+ // Paper start - log detailed entity tick information
+ io.papermc.paper.util.TickThread.ensureTickThread("Cannot tick an entity off-main");
+ try {
+ if (currentlyTickingEntity.get() == null) {
+ currentlyTickingEntity.lazySet(entity);
+ }
+ // Paper end - log detailed entity tick information
++TimingHistory.entityTicks; // Paper - timings
// Spigot start
co.aikar.timings.Timing timer; // Paper
@@ -1240,7 +1259,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.tickPassenger(entity, entity1);
}
// } finally { timer.stopTiming(); } // Paper - timings - move up
-
+ // Paper start - log detailed entity tick information
+ } finally {
+ if (currentlyTickingEntity.get() == entity) {
+ currentlyTickingEntity.lazySet(null);
+ }
+ }
+ // Paper end - log detailed entity tick information
}
private void tickPassenger(Entity vehicle, Entity passenger) {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 0d2506350e2c57044bf7c751627b6e0d76077e82..0e494502bc6d52f277d240d839e02b51fccf05fc 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1024,7 +1024,42 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
return this.onGround;
}
+ // Paper start - detailed watchdog information
+ public final Object posLock = new Object(); // Paper - log detailed entity tick information
+
+ private Vec3 moveVector;
+ private double moveStartX;
+ private double moveStartY;
+ private double moveStartZ;
+
+ public final Vec3 getMoveVector() {
+ return this.moveVector;
+ }
+
+ public final double getMoveStartX() {
+ return this.moveStartX;
+ }
+
+ public final double getMoveStartY() {
+ return this.moveStartY;
+ }
+
+ public final double getMoveStartZ() {
+ return this.moveStartZ;
+ }
+ // Paper end - detailed watchdog information
+
public void move(MoverType movementType, Vec3 movement) {
+ // Paper start - detailed watchdog information
+ io.papermc.paper.util.TickThread.ensureTickThread("Cannot move an entity off-main");
+ synchronized (this.posLock) {
+ this.moveStartX = this.getX();
+ this.moveStartY = this.getY();
+ this.moveStartZ = this.getZ();
+ this.moveVector = movement;
+ }
+ try {
+ // Paper end - detailed watchdog information
if (this.noPhysics) {
this.setPos(this.getX() + movement.x, this.getY() + movement.y, this.getZ() + movement.z);
} else {
@@ -1194,6 +1229,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
this.level().getProfiler().pop();
}
}
+ // Paper start - detailed watchdog information
+ } finally {
+ synchronized (this.posLock) { // Paper
+ this.moveVector = null;
+ } // Paper
+ }
+ // Paper end - detailed watchdog information
}
private boolean isStateClimbable(BlockState state) {
@@ -4224,7 +4266,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
}
public void setDeltaMovement(Vec3 velocity) {
+ synchronized (this.posLock) { // Paper
this.deltaMovement = velocity;
+ } // Paper
}
public void addDeltaMovement(Vec3 velocity) {
@@ -4310,7 +4354,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
}
// Paper end - fix MC-4
if (this.position.x != x || this.position.y != y || this.position.z != z) {
+ synchronized (this.posLock) { // Paper
this.position = new Vec3(x, y, z);
+ } // Paper
int i = Mth.floor(x);
int j = Mth.floor(y);
int k = Mth.floor(z);
diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
index 7071327fab87d53e794374c701d7c2748c439aaa..50c72e5db369a180f425eaaa0411cb8871bc3463 100644
--- a/src/main/java/org/spigotmc/WatchdogThread.java
+++ b/src/main/java/org/spigotmc/WatchdogThread.java
@@ -22,6 +22,78 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
private volatile long lastTick;
private volatile boolean stopping;
+ // Paper start - log detailed tick information
+ private void dumpEntity(net.minecraft.world.entity.Entity entity) {
+ Logger log = Bukkit.getServer().getLogger();
+ double posX, posY, posZ;
+ net.minecraft.world.phys.Vec3 mot;
+ double moveStartX, moveStartY, moveStartZ;
+ net.minecraft.world.phys.Vec3 moveVec;
+ synchronized (entity.posLock) {
+ posX = entity.getX();
+ posY = entity.getY();
+ posZ = entity.getZ();
+ mot = entity.getDeltaMovement();
+ moveStartX = entity.getMoveStartX();
+ moveStartY = entity.getMoveStartY();
+ moveStartZ = entity.getMoveStartZ();
+ moveVec = entity.getMoveVector();
+ }
+
+ String entityType = net.minecraft.world.entity.EntityType.getKey(entity.getType()).toString();
+ java.util.UUID entityUUID = entity.getUUID();
+ net.minecraft.world.level.Level world = entity.level();
+
+ log.log(Level.SEVERE, "Ticking entity: " + entityType + ", entity class: " + entity.getClass().getName());
+ log.log(Level.SEVERE, "Entity status: removed: " + entity.isRemoved() + ", valid: " + entity.valid + ", alive: " + entity.isAlive() + ", is passenger: " + entity.isPassenger());
+ log.log(Level.SEVERE, "Entity UUID: " + entityUUID);
+ log.log(Level.SEVERE, "Position: world: '" + (world == null ? "unknown world?" : world.getWorld().getName()) + "' at location (" + posX + ", " + posY + ", " + posZ + ")");
+ log.log(Level.SEVERE, "Velocity: " + (mot == null ? "unknown velocity" : mot.toString()) + " (in blocks per tick)");
+ log.log(Level.SEVERE, "Entity AABB: " + entity.getBoundingBox());
+ if (moveVec != null) {
+ log.log(Level.SEVERE, "Move call information: ");
+ log.log(Level.SEVERE, "Start position: (" + moveStartX + ", " + moveStartY + ", " + moveStartZ + ")");
+ log.log(Level.SEVERE, "Move vector: " + moveVec.toString());
+ }
+ }
+
+ private void dumpTickingInfo() {
+ Logger log = Bukkit.getServer().getLogger();
+
+ // ticking entities
+ for (net.minecraft.world.entity.Entity entity : net.minecraft.server.level.ServerLevel.getCurrentlyTickingEntities()) {
+ this.dumpEntity(entity);
+ net.minecraft.world.entity.Entity vehicle = entity.getVehicle();
+ if (vehicle != null) {
+ log.log(Level.SEVERE, "Detailing vehicle for above entity:");
+ this.dumpEntity(vehicle);
+ }
+ }
+
+ // packet processors
+ for (net.minecraft.network.PacketListener packetListener : net.minecraft.network.protocol.PacketUtils.getCurrentPacketProcessors()) {
+ if (packetListener instanceof net.minecraft.server.network.ServerGamePacketListenerImpl) {
+ net.minecraft.server.level.ServerPlayer player = ((net.minecraft.server.network.ServerGamePacketListenerImpl)packetListener).player;
+ long totalPackets = net.minecraft.network.protocol.PacketUtils.getTotalProcessedPackets();
+ if (player == null) {
+ log.log(Level.SEVERE, "Handling packet for player connection or ticking player connection (null player): " + packetListener);
+ log.log(Level.SEVERE, "Total packets processed on the main thread for all players: " + totalPackets);
+ } else {
+ this.dumpEntity(player);
+ net.minecraft.world.entity.Entity vehicle = player.getVehicle();
+ if (vehicle != null) {
+ log.log(Level.SEVERE, "Detailing vehicle for above entity:");
+ this.dumpEntity(vehicle);
+ }
+ log.log(Level.SEVERE, "Total packets processed on the main thread for all players: " + totalPackets);
+ }
+ } else {
+ log.log(Level.SEVERE, "Handling packet for connection: " + packetListener);
+ }
+ }
+ }
+ // Paper end - log detailed tick information
+
private WatchdogThread(long timeoutTime, boolean restart)
{
super( "Paper Watchdog Thread" );
@@ -120,6 +192,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
log.log( Level.SEVERE, "------------------------------" );
log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Paper!):" ); // Paper
io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.dumpAllChunkLoadInfo(isLongTimeout); // Paper // Paper - rewrite chunk system
+ this.dumpTickingInfo(); // Paper - log detailed tick information
WatchdogThread.dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().serverThread.getId(), Integer.MAX_VALUE ), log );
log.log( Level.SEVERE, "------------------------------" );
//

63
patches/unapplied/server/0690-Manually-inline-methods-in-BlockPosition.patch
View file

@ -1,63 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 6 Jul 2020 22:48:48 -0700
Subject: [PATCH] Manually inline methods in BlockPosition
diff --git a/src/main/java/net/minecraft/core/BlockPos.java b/src/main/java/net/minecraft/core/BlockPos.java
index 441ea6b9fd55a5288f264472d7297728d0546d6b..83cab746d1d6fe25c043c8aee28c39412b90c127 100644
--- a/src/main/java/net/minecraft/core/BlockPos.java
+++ b/src/main/java/net/minecraft/core/BlockPos.java
@@ -515,9 +515,9 @@ public class BlockPos extends Vec3i {
}
public BlockPos.MutableBlockPos set(int x, int y, int z) {
- this.setX(x);
- this.setY(y);
- this.setZ(z);
+ this.x = x; // Paper - force inline
+ this.y = y; // Paper - force inline
+ this.z = z; // Paper - force inline
return this;
}
@@ -581,19 +581,19 @@ public class BlockPos extends Vec3i {
// Paper start - comment out useless overrides @Override - TODO figure out why this is suddenly important to keep
@Override
public BlockPos.MutableBlockPos setX(int i) {
- super.setX(i);
+ this.x = i; // Paper
return this;
}
@Override
public BlockPos.MutableBlockPos setY(int i) {
- super.setY(i);
+ this.y = i; // Paper
return this;
}
@Override
public BlockPos.MutableBlockPos setZ(int i) {
- super.setZ(i);
+ this.z = i; // Paper
return this;
}
// Paper end
diff --git a/src/main/java/net/minecraft/core/Vec3i.java b/src/main/java/net/minecraft/core/Vec3i.java
index e87ef99260bff134529e00b9a75381cecaec01a4..74a3f2ba6aaec39ba4721fb546bfccb325c86343 100644
--- a/src/main/java/net/minecraft/core/Vec3i.java
+++ b/src/main/java/net/minecraft/core/Vec3i.java
@@ -19,9 +19,9 @@ public class Vec3i implements Comparable<Vec3i> {
return IntStream.of(vec.getX(), vec.getY(), vec.getZ());
});
public static final Vec3i ZERO = new Vec3i(0, 0, 0);
- private int x;
- private int y;
- private int z;
+ protected int x; // Paper - protected
+ protected int y; // Paper - protected
+ protected int z; // Paper - protected
public static Codec<Vec3i> offsetCodec(int maxAbsValue) {
return ExtraCodecs.validate(CODEC, (vec) -> {

34
patches/unapplied/server/0691-Distance-manager-tick-timings.patch
View file

@ -1,34 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 18 Jul 2020 16:03:57 -0700
Subject: [PATCH] Distance manager tick timings
Recently this has been taking up more time, so add a timings to
really figure out how much.
diff --git a/src/main/java/co/aikar/timings/MinecraftTimings.java b/src/main/java/co/aikar/timings/MinecraftTimings.java
index efbf77024d235d8af9f7efc938c17afd76a51b0c..670dcfa32d003870091b75937f1603a5ac9fa7d1 100644
--- a/src/main/java/co/aikar/timings/MinecraftTimings.java
+++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
@@ -46,6 +46,7 @@ public final class MinecraftTimings {
public static final Timing antiXrayUpdateTimer = Timings.ofSafe("anti-xray - update");
public static final Timing antiXrayObfuscateTimer = Timings.ofSafe("anti-xray - obfuscate");
+ public static final Timing distanceManagerTick = Timings.ofSafe("Distance Manager Tick"); // Paper - add timings for distance manager
public static final Timing midTickChunkTasks = Timings.ofSafe("Mid Tick Chunk Tasks");
diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
index 8e52ebe8d12f5da3d877b0e4ff3723229fb47db1..abd0217cf0bff183c8e262edc173a53403797c1a 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
@@ -1315,7 +1315,9 @@ public final class ChunkHolderManager {
}
public boolean processTicketUpdates() {
+ co.aikar.timings.MinecraftTimings.distanceManagerTick.startTiming(); try { // Paper - add timings for distance manager
return this.processTicketUpdates(true, true, null);
+ } finally { co.aikar.timings.MinecraftTimings.distanceManagerTick.stopTiming(); } // Paper - add timings for distance manager
}
private static final ThreadLocal<List<ChunkProgressionTask>> CURRENT_TICKET_UPDATE_SCHEDULING = new ThreadLocal<>();

33
patches/unapplied/server/0692-Name-craft-scheduler-threads-according-to-the-plugin.patch
View file

@ -1,33 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 19 Jul 2020 15:17:01 -0700
Subject: [PATCH] Name craft scheduler threads according to the plugin using
them
Provides quick access to culprits running far more threads than
they should be
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncTask.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncTask.java
index 2f3e2a404f55f09ae4db8261e495275e31228034..6d66f83afbeb650b10669fd7eeb24a315951fa86 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncTask.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftAsyncTask.java
@@ -25,7 +25,10 @@ class CraftAsyncTask extends CraftTask {
@Override
public void run() {
final Thread thread = Thread.currentThread();
- synchronized (this.workers) {
+ // Paper start - name threads according to running plugin
+ final String nameBefore = thread.getName();
+ thread.setName(nameBefore + " - " + this.getOwner().getName());
+ try { synchronized (this.workers) { // Paper end - name threads according to running plugin
if (getPeriod() == CraftTask.CANCEL) {
// Never continue running after cancelled.
// Checking this with the lock is important!
@@ -92,6 +95,7 @@ class CraftAsyncTask extends CraftTask {
}
}
}
+ } finally { thread.setName(nameBefore); } // Paper - name worker thread according
}
LinkedList<BukkitWorker> getWorkers() {