Some chunk patches

patches/server/0679-Optimize-anyPlayerCloseEnoughForSpawning-to-use-dist.patch

@@ -6,10 +6,10 @@ 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 214e0657035f82e5266de06e31975d6b45405019..51c112656f26f142bd6c126253520e812a338783 100644
+index 4b87f5d899e5ac033d78ccdbca21c9c50c46dcef..b705545ecaef9203ef2ff067ed947ad4aa86dc89 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
-@@ -83,16 +83,29 @@ public class ChunkHolder {
+@@ -86,16 +86,29 @@ public class ChunkHolder {
  
      // Paper start
      public void onChunkAdd() {
@@ -38,17 +38,18 @@ index 214e0657035f82e5266de06e31975d6b45405019..51c112656f26f142bd6c126253520e81
 +    com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInChunkTickRange;
 +    // Paper end - optimise anyPlayerCloseEnoughForSpawning
 +
-     public ChunkHolder(ChunkPos pos, LevelHeightAccessor world, LevelLightEngine lightingProvider, ChunkHolder.PlayerProvider playersWatchingChunkProvider, io.papermc.paper.chunk.system.scheduling.NewChunkHolder newChunkHolder) { // Paper - rewrite chunk system
+     // Paper start - replace player chunk loader
-         this.newChunkHolder = newChunkHolder; // Paper - rewrite chunk system
+     private final com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> playersSentChunkTo = new com.destroystokyo.paper.util.maplist.ReferenceList<>();
-         this.chunkToSaveHistory = null;
+ 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 1c638f65d33e5890a7a32bf7e89d484ae2afc093..4b7c39595302a738e6d4a1749473ef9c81f84fea 100644
+index 8d8bb430e44d7608a8aa44c7feb41797b8bbfb06..7d80cfd701d910badf1feaecaa4ce5129584e21d 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
-@@ -159,12 +159,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -157,12 +157,25 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+ 
      // Paper start - distance maps
      private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<ServerPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
-     public final io.papermc.paper.chunk.PlayerChunkLoader playerChunkManager = new io.papermc.paper.chunk.PlayerChunkLoader(this, this.pooledLinkedPlayerHashSets); // Paper - replace chunk loader
++    public final io.papermc.paper.chunk.PlayerChunkLoader playerChunkManager = new io.papermc.paper.chunk.PlayerChunkLoader(this, this.pooledLinkedPlayerHashSets); // Paper - replace chunk loader
 +    // 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
@@ -62,7 +63,7 @@ index 1c638f65d33e5890a7a32bf7e89d484ae2afc093..4b7c39595302a738e6d4a1749473ef9c
 +    // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
  
      void addPlayerToDistanceMaps(ServerPlayer player) {
-         this.playerChunkManager.addPlayer(player); // Paper - replace chunk loader
+         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
@@ -70,9 +71,9 @@ index 1c638f65d33e5890a7a32bf7e89d484ae2afc093..4b7c39595302a738e6d4a1749473ef9c
          // Paper start - per player mob spawning
          if (this.playerMobDistanceMap != null) {
              this.playerMobDistanceMap.add(player, chunkX, chunkZ, io.papermc.paper.chunk.system.ChunkSystem.getTickViewDistance(player));
-@@ -175,6 +187,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -173,6 +186,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
      void removePlayerFromDistanceMaps(ServerPlayer player) {
-         this.playerChunkManager.removePlayer(player); // Paper - replace chunk loader
+         this.level.playerChunkLoader.removePlayer(player); // Paper - replace chunk loader
  
 +        // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
 +        this.playerMobSpawnMap.remove(player);
@@ -81,15 +82,15 @@ index 1c638f65d33e5890a7a32bf7e89d484ae2afc093..4b7c39595302a738e6d4a1749473ef9c
          // Paper start - per player mob spawning
          if (this.playerMobDistanceMap != null) {
              this.playerMobDistanceMap.remove(player);
-@@ -187,6 +203,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -185,6 +202,7 @@ 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.playerChunkManager.updatePlayer(player); // Paper - replace chunk loader
+         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));
-@@ -278,6 +295,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -276,6 +294,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          this.regionManagers.add(this.dataRegionManager);
          // Paper end
          this.playerMobDistanceMap = this.level.paperConfig().entities.spawning.perPlayerMobSpawns ? new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets) : null; // Paper
@@ -128,7 +129,7 @@ index 1c638f65d33e5890a7a32bf7e89d484ae2afc093..4b7c39595302a738e6d4a1749473ef9c
      }
  
      protected ChunkGenerator generator() {
-@@ -837,43 +886,48 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -850,43 +900,48 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          return this.anyPlayerCloseEnoughForSpawning(pos, false);
      }
  
@@ -209,19 +210,19 @@ index 1c638f65d33e5890a7a32bf7e89d484ae2afc093..4b7c39595302a738e6d4a1749473ef9c
  
      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 d3c3db919e9b0507e8543313d9028394e5163673..52cba8f68d274cce106304aef1249a95474d3238 100644
+index fcbdf311e981e010adc78342f0865d3f803354f9..40e17a8f182fea7c99b64cd074ce1757e48758bf 100644
 --- a/src/main/java/net/minecraft/server/level/DistanceManager.java
 +++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
-@@ -54,7 +54,7 @@ public abstract class DistanceManager {
+@@ -50,7 +50,7 @@ public abstract class DistanceManager {
-     private static final int BLOCK_TICKING_LEVEL_THRESHOLD = 33;
+     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
-     //private final TickingTracker tickingTicketsTracker = new TickingTracker(); // Paper - no longer used
-     //private final DistanceManager.PlayerTicketTracker playerTicketManager = new DistanceManager.PlayerTicketTracker(33); // Paper - no longer used
      // Paper - rewrite chunk system
-@@ -142,7 +142,7 @@ public abstract class DistanceManager {
+     private final ChunkMap chunkMap; // Paper
+ 
+@@ -136,7 +136,7 @@ public abstract class DistanceManager {
          long i = chunkcoordintpair.toLong();
  
          // Paper - no longer used
@@ -230,7 +231,7 @@ index d3c3db919e9b0507e8543313d9028394e5163673..52cba8f68d274cce106304aef1249a95
          //this.playerTicketManager.update(i, 0, true); // Paper - no longer used
          //this.tickingTicketsTracker.addTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair); // Paper - no longer used
      }
-@@ -156,7 +156,7 @@ public abstract class DistanceManager {
+@@ -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);
@@ -239,7 +240,7 @@ index d3c3db919e9b0507e8543313d9028394e5163673..52cba8f68d274cce106304aef1249a95
              //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
          }
-@@ -198,13 +198,17 @@ public abstract class DistanceManager {
+@@ -192,13 +192,17 @@ public abstract class DistanceManager {
      }
  
      public int getNaturalSpawnChunkCount() {
@@ -262,10 +263,10 @@ index d3c3db919e9b0507e8543313d9028394e5163673..52cba8f68d274cce106304aef1249a95
  
      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 665e088cb0b73f6a0c62f29c56da462bab7c927e..298e4468f7b5346733257f7117f76c66e9a1d8f0 100644
+index 604e1f1113457d7dbd368d40a668aab7c7466d40..8f1949cf33bdc35d6d024dd82faae37fec325d6f 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-@@ -658,6 +658,37 @@ public class ServerChunkCache extends ChunkSource {
+@@ -668,6 +668,37 @@ public class ServerChunkCache extends ChunkSource {
          if (flag) {
              this.chunkMap.tick();
          } else {
@@ -303,7 +304,7 @@ index 665e088cb0b73f6a0c62f29c56da462bab7c927e..298e4468f7b5346733257f7117f76c66
              LevelData worlddata = this.level.getLevelData();
              ProfilerFiller gameprofilerfiller = this.level.getProfiler();
  
-@@ -701,15 +732,7 @@ public class ServerChunkCache extends ChunkSource {
+@@ -711,15 +742,7 @@ public class ServerChunkCache extends ChunkSource {
              boolean flag2 = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.players().isEmpty(); // CraftBukkit
  
              Collections.shuffle(list);
@@ -320,7 +321,7 @@ index 665e088cb0b73f6a0c62f29c56da462bab7c927e..298e4468f7b5346733257f7117f76c66
              Iterator iterator1 = list.iterator();
  
              while (iterator1.hasNext()) {
-@@ -717,9 +740,9 @@ public class ServerChunkCache extends ChunkSource {
+@@ -727,9 +750,9 @@ public class ServerChunkCache extends ChunkSource {
                  LevelChunk chunk1 = chunkproviderserver_a.chunk;
                  ChunkPos chunkcoordintpair = chunk1.getPos();
  
@@ -333,14 +334,14 @@ index 665e088cb0b73f6a0c62f29c56da462bab7c927e..298e4468f7b5346733257f7117f76c66
                      }
  
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index 35091999392e7c5e6763aee490020c675e19134b..245ac1e53bfcb1888e8f10d632b181cf31d6d030 100644
+index 6fa598820b54559a5c7739f050be08ff36a020e7..c9b07d321a22060086a8608c6ff5f8f0608d988f 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-@@ -272,6 +272,7 @@ public class ServerPlayer extends Player {
+@@ -273,6 +273,7 @@ public class ServerPlayer extends Player {
-     public String kickLeaveMessage = null; // SPIGOT-3034: Forward leave message to PlayerQuitEvent
+     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

patches/server/0680-Optimise-chunk-tick-iteration.patch

@@ -6,10 +6,10 @@ 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 51c112656f26f142bd6c126253520e812a338783..0f2590501d742b1f5a410d45c7781bd18b4a4525 100644
+index b705545ecaef9203ef2ff067ed947ad4aa86dc89..3914fae62d3e0c0a9aeb8fd2bd48e76889c25a3a 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
-@@ -88,6 +88,11 @@ public class ChunkHolder {
+@@ -91,6 +91,11 @@ public class ChunkHolder {
          this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
          this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
          // Paper end - optimise anyPlayerCloseEnoughForSpawning
@@ -21,7 +21,7 @@ index 51c112656f26f142bd6c126253520e812a338783..0f2590501d742b1f5a410d45c7781bd1
      }
  
      public void onChunkRemove() {
-@@ -95,6 +100,11 @@ public class ChunkHolder {
+@@ -98,6 +103,11 @@ public class ChunkHolder {
          this.playersInMobSpawnRange = null;
          this.playersInChunkTickRange = null;
          // Paper end - optimise anyPlayerCloseEnoughForSpawning
@@ -33,7 +33,7 @@ index 51c112656f26f142bd6c126253520e812a338783..0f2590501d742b1f5a410d45c7781bd1
      }
      // Paper end
  
-@@ -210,7 +220,7 @@ public class ChunkHolder {
+@@ -237,7 +247,7 @@ public class ChunkHolder {
  
              if (i < 0 || i >= this.changedBlocksPerSection.length) return; // CraftBukkit - SPIGOT-6086, SPIGOT-6296
              if (this.changedBlocksPerSection[i] == null) {
@@ -42,7 +42,7 @@ index 51c112656f26f142bd6c126253520e812a338783..0f2590501d742b1f5a410d45c7781bd1
                  this.changedBlocksPerSection[i] = new ShortOpenHashSet();
              }
  
-@@ -234,6 +244,7 @@ public class ChunkHolder {
+@@ -261,6 +271,7 @@ public class ChunkHolder {
                      int k = this.lightEngine.getMaxLightSection();
  
                      if (y >= j && y <= k) {
@@ -50,7 +50,7 @@ index 51c112656f26f142bd6c126253520e812a338783..0f2590501d742b1f5a410d45c7781bd1
                          int l = y - j;
  
                          if (lightType == LightLayer.SKY) {
-@@ -248,8 +259,19 @@ public class ChunkHolder {
+@@ -275,8 +286,19 @@ public class ChunkHolder {
          }
      }
  
@@ -69,13 +69,13 @@ index 51c112656f26f142bd6c126253520e812a338783..0f2590501d742b1f5a410d45c7781bd1
 -        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();
-             int i = 0;
+             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 503a642165f6f1292c07e8a9e618218bb96a97e9..b0cfdead8a345eaab7747ed6b84271e8e09d1713 100644
+index 7d80cfd701d910badf1feaecaa4ce5129584e21d..03b802f9f6e31b1ab23af0ff7b235f64c72ec462 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
-@@ -116,6 +116,8 @@ import org.bukkit.craftbukkit.generator.CustomChunkGenerator;
+@@ -115,6 +115,8 @@ import org.bukkit.craftbukkit.generator.CustomChunkGenerator;
  import org.bukkit.entity.Player;
  // CraftBukkit end
  
@@ -84,7 +84,7 @@ index 503a642165f6f1292c07e8a9e618218bb96a97e9..b0cfdead8a345eaab7747ed6b84271e8
  public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider {
  
      private static final byte CHUNK_TYPE_REPLACEABLE = -1;
-@@ -154,6 +156,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -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
@@ -93,7 +93,7 @@ index 503a642165f6f1292c07e8a9e618218bb96a97e9..b0cfdead8a345eaab7747ed6b84271e8
      // 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 d1652c237b2b272f0dfe80f774cff16056f39046..b768767b92bf7691a6e57627c69818a1f5fd82c8 100644
+index 8f1949cf33bdc35d6d024dd82faae37fec325d6f..d9a14c1c42ce9adc53543e7b95a4083b4109cb33 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
@@ -104,7 +104,7 @@ index d1652c237b2b272f0dfe80f774cff16056f39046..b768767b92bf7691a6e57627c69818a1
  
  public class ServerChunkCache extends ChunkSource {
  
-@@ -724,42 +725,59 @@ public class ServerChunkCache extends ChunkSource {
+@@ -725,42 +726,59 @@ public class ServerChunkCache extends ChunkSource {
  
              this.lastSpawnState = spawnercreature_d;
              gameprofilerfiller.popPush("filteringLoadedChunks");
@@ -130,7 +130,8 @@ index d1652c237b2b272f0dfe80f774cff16056f39046..b768767b92bf7691a6e57627c69818a1
 +            // 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 iteration
+ 
++            // Paper start - optimise chunk tick iteratio
 +            Iterator<LevelChunk> iterator1;
 +            if (this.level.paperConfig().entities.spawning.perPlayerMobSpawns) {
 +                iterator1 = this.entityTickingChunks.iterator();
@@ -143,7 +144,6 @@ index d1652c237b2b272f0dfe80f774cff16056f39046..b768767b92bf7691a6e57627c69818a1
 +                Collections.shuffle(shuffled);
 +                iterator1 = shuffled.iterator();
 +            }
- 
 +            try {
              while (iterator1.hasNext()) {
 -                ServerChunkCache.ChunkAndHolder chunkproviderserver_a = (ServerChunkCache.ChunkAndHolder) iterator1.next();
@@ -181,7 +181,7 @@ index d1652c237b2b272f0dfe80f774cff16056f39046..b768767b92bf7691a6e57627c69818a1
              this.level.timings.chunkTicks.stopTiming(); // Paper
              gameprofilerfiller.popPush("customSpawners");
              if (flag2) {
-@@ -767,15 +785,24 @@ public class ServerChunkCache extends ChunkSource {
+@@ -768,15 +786,24 @@ public class ServerChunkCache extends ChunkSource {
                  this.level.tickCustomSpawners(this.spawnEnemies, this.spawnFriendlies);
                  } // Paper - timings
              }

patches/server/0681-Execute-chunk-tasks-mid-tick.patch

@@ -19,10 +19,10 @@ index 4d861f9a58f8ea238471af22f387854d855b1801..efbf77024d235d8af9f7efc938c17afd
  
      private MinecraftTimings() {}
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 416bfdeb0ce8ec1828288a7d84990ed3f027e1fa..24c88555ea85dd2a0656e1f67a4828a5137157b8 100644
+index b800249823e413933a5d469e431a003f977f59e7..d8fa1cb0b340f97debceb7e5b90051d29448fc58 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
-@@ -1306,6 +1306,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -1305,6 +1305,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
  
      private boolean pollTaskInternal() {
          if (super.pollTask()) {
@@ -30,7 +30,7 @@ index 416bfdeb0ce8ec1828288a7d84990ed3f027e1fa..24c88555ea85dd2a0656e1f67a4828a5
              return true;
          } else {
              if (this.haveTime()) {
-@@ -2715,4 +2716,74 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -2708,4 +2709,74 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
          }
      }
      // Paper end
@@ -106,18 +106,19 @@ index 416bfdeb0ce8ec1828288a7d84990ed3f027e1fa..24c88555ea85dd2a0656e1f67a4828a5
 +    // 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 b768767b92bf7691a6e57627c69818a1f5fd82c8..ebd0da4f87c74f12d702e1ae4f3206885272e4f7 100644
+index d9a14c1c42ce9adc53543e7b95a4083b4109cb33..371f7e71610ddfbdb32dcd493f15d6ff9b90326e 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-@@ -749,6 +749,7 @@ public class ServerChunkCache extends ChunkSource {
+@@ -750,6 +750,8 @@ public class ServerChunkCache extends ChunkSource {
+                 Collections.shuffle(shuffled);
                  iterator1 = shuffled.iterator();
              }
- 
++
 +            int chunksTicked = 0; // Paper
              try {
              while (iterator1.hasNext()) {
                  LevelChunk chunk1 = iterator1.next();
-@@ -766,6 +767,7 @@ public class ServerChunkCache extends ChunkSource {
+@@ -767,6 +769,7 @@ public class ServerChunkCache extends ChunkSource {
  
                      if (true || this.level.shouldTickBlocksAt(chunkcoordintpair.toLong())) { // Paper - the chunk is known ticking
                          this.level.tickChunk(chunk1, k);
@@ -126,18 +127,18 @@ index b768767b92bf7691a6e57627c69818a1f5fd82c8..ebd0da4f87c74f12d702e1ae4f320688
                  }
                  // 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 834e5d2ef6045ef703321852f988db3fbf6cbba2..8faf55969232d44b999231b219a208e049a72755 100644
+index 00508122ab504b1a84ef050145749fa9fea7a7d1..418bf659d31c5810d786064a76779cfa39943020 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
-@@ -212,6 +212,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -215,6 +215,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
-     private final StructureManager structureManager;
      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;
-@@ -1044,6 +1045,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -1104,6 +1105,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
          if (fluid1.is(fluid)) {
              fluid1.tick(this, pos);
          }
@@ -145,7 +146,7 @@ index 834e5d2ef6045ef703321852f988db3fbf6cbba2..8faf55969232d44b999231b219a208e0
  
      }
  
-@@ -1053,6 +1055,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -1113,6 +1115,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
          if (iblockdata.is(block)) {
              iblockdata.tick(this, pos, this.random);
          }
@@ -154,10 +155,10 @@ index 834e5d2ef6045ef703321852f988db3fbf6cbba2..8faf55969232d44b999231b219a208e0
      }
  
 diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
-index 5f43dbd3b4a50f425b188beb2ed9236ed2db0a06..a0fc6c0dd9754e443a634917d66ac46e170d9dc6 100644
+index bce4aa1d7cb7ebeb046ed9f2483d71820c3f0bae..873a375946949a8f48109d5da925933f3956600b 100644
 --- a/src/main/java/net/minecraft/world/level/Level.java
 +++ b/src/main/java/net/minecraft/world/level/Level.java
-@@ -832,6 +832,11 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+@@ -822,6 +822,11 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
                  // Spigot end
              } else if (this.shouldTickBlocksAt(tickingblockentity.getPos())) {
                  tickingblockentity.tick();
@@ -169,7 +170,7 @@ index 5f43dbd3b4a50f425b188beb2ed9236ed2db0a06..a0fc6c0dd9754e443a634917d66ac46e
              }
          }
          this.blockEntityTickers.removeAll(toRemove);
-@@ -846,6 +851,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+@@ -836,6 +841,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
      public <T extends Entity> void guardEntityTick(Consumer<T> tickConsumer, T entity) {
          try {
              tickConsumer.accept(entity);

patches/server/0682-Attempt-to-recalculate-regionfile-header-if-it-is-co.patch

@@ -10,7 +10,7 @@ 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 f0f38f1a7603cd06aba6adefd370d40b97f2e5b8..34a1976699571608ae19e20dc1b6020759dad909 100644
+index b417b175c925049058327c7bc4ed1cc31a644018..603fcf3816d65d0a695e038d5980b1cd98659f4c 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;
@@ -30,19 +30,19 @@ index f0f38f1a7603cd06aba6adefd370d40b97f2e5b8..34a1976699571608ae19e20dc1b60207
 +    }
 +    // 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
+     public static final Codec<PalettedContainer<BlockState>> BLOCK_STATE_CODEC = PalettedContainer.codecRW(Block.BLOCK_STATE_REGISTRY, BlockState.CODEC, PalettedContainer.Strategy.SECTION_STATES, Blocks.AIR.defaultBlockState());
      private static final Logger LOGGER = LogUtils.getLogger();
-@@ -485,7 +497,7 @@ public class ChunkSerializer {
+@@ -434,7 +446,7 @@ 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", chunk.getStatus().getName());
+         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 e9b13e4f70d9a556e6a7d022a952085051c1819d..71abf1c82ee4f5530bd29b3a97dec9fdb7705779 100644
+index b4e7c9b317d532d4915932f8f79dfebf2b63ff16..2d93251abb1018381cf00dbbb120c8ea036710c6 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 {
@@ -87,7 +87,7 @@ index c8298a597818227de33a4afce4698ec0666cf758..6baceb6ce9021c489be6e79d338a9704
          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
+index eee5dfa165203463cb791e33530944c6b09e7eb7..98c436d84e4aedbdb805129fcdb6b871a1b4e3d9 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 {
@@ -685,15 +685,20 @@ index cda87a66fe80bf910f629c64e36c1fecbad81d77..9bae47f99336c377beb72c4b50b7f01c
          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 65fd57609e45ccd49ebfc1ba80d25243da13ab6e..d5b501bcb33a785ef0301bf6bb8d396b9d4fbb6a 100644
+index c3d26756a716f151d3909ddfeacc47b28d05c498..5291bbe208397d73e6950e9f196bcd1da55c1fad 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
-@@ -26,7 +26,15 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -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);
@@ -704,19 +709,25 @@ index 65fd57609e45ccd49ebfc1ba80d25243da13ab6e..d5b501bcb33a785ef0301bf6bb8d396b
          this.folder = directory;
          this.sync = dsync;
      }
-@@ -88,9 +96,9 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -125,7 +132,7 @@ public class RegionFileStorage implements AutoCloseable {
-             FileUtil.createDirectoriesSafe(this.folder);
+             // 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)) return null; // CraftBukkit
+             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
-@@ -175,6 +183,13 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -219,6 +226,13 @@ public class RegionFileStorage implements AutoCloseable {
          if (regionfile == null) {
              return null;
          }
@@ -730,7 +741,7 @@ index 65fd57609e45ccd49ebfc1ba80d25243da13ab6e..d5b501bcb33a785ef0301bf6bb8d396b
          // CraftBukkit end
          try { // Paper
          DataInputStream datainputstream = regionfile.getChunkDataInputStream(pos);
-@@ -191,6 +206,20 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -235,6 +249,20 @@ public class RegionFileStorage implements AutoCloseable {
              try {
                  if (datainputstream != null) {
                      nbttagcompound = NbtIo.read((DataInput) datainputstream);

patches/server/0683-Custom-table-implementation-for-blockstate-state-loo.patch

@@ -173,7 +173,7 @@ index 0000000000000000000000000000000000000000..57d0cd3ad6f972e986c72a57f1a6e360
 +    }
 +}
 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 b617f7e7a27284fbbad06d7a9926b938ba87cf18..170f5cb3f01a57ad76e3bbeacd5b7c7e52f29959 100644
+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> {
@@ -217,7 +217,7 @@ index b617f7e7a27284fbbad06d7a9926b938ba87cf18..170f5cb3f01a57ad76e3bbeacd5b7c7e
 -        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 == value) {
+-        } else if (comparable.equals(value)) {
 -            return (S)this;
 -        } else {
 -            S object = this.neighbours.get(property, value);

patches/server/0684-Detail-more-information-in-watchdog-dumps.patch

@@ -7,10 +7,10 @@ Subject: [PATCH] Detail more information in watchdog dumps
 - 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 d7dd0b806d8d8e3f04f165a2b29097a5c1bcd199..b967c24e9ace2b6539e94bcc63b69e0c934a72be 100644
+index 358b41541284392f9a7a0ef3156e8adc8c005cc4..b7b8ac7f0e93c183e0e7f39cb753f28daace843f 100644
 --- a/src/main/java/net/minecraft/network/Connection.java
 +++ b/src/main/java/net/minecraft/network/Connection.java
-@@ -522,7 +522,13 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
+@@ -349,7 +349,13 @@ 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) {
@@ -76,10 +76,10 @@ index 4a1148a76020089caf01f888f87afdbb35788dc0..52a84eeb3b7df782cbf91aac6df42fb8
              });
              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 8faf55969232d44b999231b219a208e049a72755..1f683d734b9e272c8f4c48d922f3dcd12d0ffd1a 100644
+index 418bf659d31c5810d786064a76779cfa39943020..f8bcf1239c18a6334936cec483f2ae316429a894 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
-@@ -1059,7 +1059,26 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -1119,7 +1119,26 @@ public class ServerLevel extends Level implements WorldGenLevel {
  
      }
  
@@ -106,7 +106,7 @@ index 8faf55969232d44b999231b219a208e049a72755..1f683d734b9e272c8f4c48d922f3dcd1
          ++TimingHistory.entityTicks; // Paper - timings
          // Spigot start
          co.aikar.timings.Timing timer; // Paper
-@@ -1099,7 +1118,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -1159,7 +1178,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
              this.tickPassenger(entity, entity1);
          }
          // } finally { timer.stopTiming(); } // Paper - timings - move up
@@ -122,10 +122,10 @@ index 8faf55969232d44b999231b219a208e049a72755..1f683d734b9e272c8f4c48d922f3dcd1
  
      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 c79f7de53d8d61044a756b2a973f71bb5af74bfc..6da3b1d6e09f5c8c09234b4da0aeaba5ab632dd7 100644
+index fe750fd202f9a2a02f07752a11b1a4a8368afa5e..eb9f56de921edfefc0655be47449ffbc97145e07 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -973,7 +973,42 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+@@ -991,7 +991,42 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
          return this.onGround;
      }
  
@@ -168,8 +168,8 @@ index c79f7de53d8d61044a756b2a973f71bb5af74bfc..6da3b1d6e09f5c8c09234b4da0aeaba5
          if (this.noPhysics) {
              this.setPos(this.getX() + movement.x, this.getY() + movement.y, this.getZ() + movement.z);
          } else {
-@@ -1146,6 +1181,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+@@ -1187,6 +1222,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
-                 this.level.getProfiler().pop();
+                 return false;
              }
          }
 +        // Paper start - detailed watchdog information
@@ -182,7 +182,7 @@ index c79f7de53d8d61044a756b2a973f71bb5af74bfc..6da3b1d6e09f5c8c09234b4da0aeaba5
      }
  
      protected boolean isHorizontalCollisionMinor(Vec3 adjustedMovement) {
-@@ -4098,7 +4140,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+@@ -4197,7 +4239,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
      }
  
      public void setDeltaMovement(Vec3 velocity) {
@@ -192,7 +192,7 @@ index c79f7de53d8d61044a756b2a973f71bb5af74bfc..6da3b1d6e09f5c8c09234b4da0aeaba5
      }
  
      public void addDeltaMovement(Vec3 velocity) {
-@@ -4184,7 +4228,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+@@ -4283,7 +4327,9 @@ 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) {

patches/server/0685-Manually-inline-methods-in-BlockPosition.patch

@@ -5,10 +5,10 @@ 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 5a42e0315fb44c2a0390c51b123501498140238a..b37e0ff164a894d2033fb94bbbc2f630a0e66bcd 100644
+index 441ea6b9fd55a5288f264472d7297728d0546d6b..83cab746d1d6fe25c043c8aee28c39412b90c127 100644
 --- a/src/main/java/net/minecraft/core/BlockPos.java
 +++ b/src/main/java/net/minecraft/core/BlockPos.java
-@@ -474,9 +474,9 @@ public class BlockPos extends Vec3i {
+@@ -515,9 +515,9 @@ public class BlockPos extends Vec3i {
          }
  
          public BlockPos.MutableBlockPos set(int x, int y, int z) {
@@ -21,7 +21,7 @@ index 5a42e0315fb44c2a0390c51b123501498140238a..b37e0ff164a894d2033fb94bbbc2f630
              return this;
          }
  
-@@ -540,19 +540,19 @@ public class BlockPos extends Vec3i {
+@@ -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) {