[ci skip] Undo modification to removed patches in latest commit (#8512)

patches/removed/1.19.2-legacy-chunksystem/0020-Implement-Chunk-Priority-Urgency-System-for-Chunks.patch

@@ -67,11 +67,95 @@ index af40e473521f408aa0e112953c43bdbce164a48b..68860a3b6db2aa50373d71aec9502c18
          }
      }
  
+diff --git a/src/main/java/net/minecraft/server/ChunkSystem.java b/src/main/java/net/minecraft/server/ChunkSystem.java
+index 7f76c304f5eb3c2f27b348918588ab67b795b1ba..1b1bfd5f92f85f46ad9661a0a64a2a1b4c33a80d 100644
+--- a/src/main/java/net/minecraft/server/ChunkSystem.java
++++ b/src/main/java/net/minecraft/server/ChunkSystem.java
+@@ -55,6 +55,19 @@ public final class ChunkSystem {
+ 
+     static final TicketType<Long> CHUNK_LOAD = TicketType.create("chunk_load", Long::compareTo);
+ 
++    // Paper start - priority
++    private static int getPriorityBoost(final PrioritisedExecutor.Priority priority) {
++        if (priority.isLowerOrEqualPriority(PrioritisedExecutor.Priority.NORMAL)) {
++            return 0;
++        }
++
++        int dist = PrioritisedExecutor.Priority.BLOCKING.ordinal() - PrioritisedExecutor.Priority.NORMAL.ordinal();
++
++
++        return (net.minecraft.server.level.DistanceManager.URGENT_PRIORITY * (priority.ordinal() - PrioritisedExecutor.Priority.NORMAL.ordinal())) / dist;
++    }
++    // Paper end - priority
++
+     private static long chunkLoadCounter = 0L;
+     public static void scheduleChunkLoad(final ServerLevel level, final int chunkX, final int chunkZ, final ChunkStatus toStatus,
+                                          final boolean addTicket, final PrioritisedExecutor.Priority priority, final Consumer<ChunkAccess> onComplete) {
+@@ -68,12 +81,19 @@ public final class ChunkSystem {
+         final int minLevel = 33 + ChunkStatus.getDistance(toStatus);
+         final Long chunkReference = addTicket ? Long.valueOf(++chunkLoadCounter) : null;
+         final ChunkPos chunkPos = new ChunkPos(chunkX, chunkZ);
++        final int priorityBoost = getPriorityBoost(priority);
+ 
+         if (addTicket) {
+             level.chunkSource.addTicketAtLevel(CHUNK_LOAD, chunkPos, minLevel, chunkReference);
+         }
+         level.chunkSource.runDistanceManagerUpdates();
+ 
++        if (priorityBoost == net.minecraft.server.level.DistanceManager.URGENT_PRIORITY) {
++            level.chunkSource.markUrgent(chunkPos);
++        } else if (priorityBoost != 0) {
++            level.chunkSource.markHighPriority(chunkPos, priorityBoost);
++        }
++
+         final Consumer<ChunkAccess> loadCallback = (final ChunkAccess chunk) -> {
+             try {
+                 if (onComplete != null) {
+@@ -89,6 +109,11 @@ public final class ChunkSystem {
+                     level.chunkSource.addTicketAtLevel(TicketType.UNKNOWN, chunkPos, minLevel, chunkPos);
+                     level.chunkSource.removeTicketAtLevel(CHUNK_LOAD, chunkPos, minLevel, chunkReference);
+                 }
++                if (priorityBoost == net.minecraft.server.level.DistanceManager.URGENT_PRIORITY) {
++                    level.chunkSource.clearUrgent(chunkPos);
++                } else if (priorityBoost != 0) {
++                    level.chunkSource.clearPriorityTickets(chunkPos);
++                }
+             }
+         };
+ 
+@@ -135,12 +160,17 @@ public final class ChunkSystem {
+         final int radius = toStatus.ordinal() - 1;
+         final Long chunkReference = addTicket ? Long.valueOf(++chunkLoadCounter) : null;
+         final ChunkPos chunkPos = new ChunkPos(chunkX, chunkZ);
++        final int priorityBoost = getPriorityBoost(priority);
+ 
+         if (addTicket) {
+             level.chunkSource.addTicketAtLevel(CHUNK_LOAD, chunkPos, minLevel, chunkReference);
+         }
+         level.chunkSource.runDistanceManagerUpdates();
+ 
++        if (priorityBoost != 0) {
++            level.chunkSource.markAreaHighPriority(chunkPos, priorityBoost, radius);
++        }
++
+         final Consumer<LevelChunk> loadCallback = (final LevelChunk chunk) -> {
+             try {
+                 if (onComplete != null) {
+@@ -156,6 +186,9 @@ public final class ChunkSystem {
+                     level.chunkSource.addTicketAtLevel(TicketType.UNKNOWN, chunkPos, minLevel, chunkPos);
+                     level.chunkSource.removeTicketAtLevel(CHUNK_LOAD, chunkPos, minLevel, chunkReference);
+                 }
++                if (priorityBoost != 0) {
++                    level.chunkSource.clearAreaPriorityTickets(chunkPos, radius);
++                }
+             }
+         };
+ 
 diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
-index 4e29c0a983727fc839a4bcde01d3286396b3587d..613988c9ea892ab15516e1c8b4f376d52415ae34 100644
+index 2e56c52e3ee45b0304a9e6a5eab863ef96b2aab0..5eb6ce20ee17d87db0f6c2dcee96d6d0891d6c50 100644
 --- a/src/main/java/net/minecraft/server/MCUtil.java
 +++ b/src/main/java/net/minecraft/server/MCUtil.java
-@@ -681,6 +681,7 @@ public final class MCUtil {
+@@ -634,6 +634,7 @@ public final class MCUtil {
                  chunkData.addProperty("x", playerChunk.pos.x);
                  chunkData.addProperty("z", playerChunk.pos.z);
                  chunkData.addProperty("ticket-level", playerChunk.getTicketLevel());
@@ -80,7 +164,7 @@ index 4e29c0a983727fc839a4bcde01d3286396b3587d..613988c9ea892ab15516e1c8b4f376d5
                  chunkData.addProperty("queued-for-unload", chunkMap.toDrop.contains(playerChunk.pos.longKey));
                  chunkData.addProperty("status", status == null ? "unloaded" : status.toString());
 diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
-index 36a9d52d9af3bc398010c52dc16ab23e53f2702a..ece4cd0de061969d4d2f07560e6cf38e631098b3 100644
+index e30893d6cbe3b42338d04453d0f452babeb61d8a..a52932d665ca45a5e066d7cef0ec0313d1c3f69f 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
 @@ -60,7 +60,7 @@ public class ChunkHolder {
@@ -100,7 +184,7 @@ index 36a9d52d9af3bc398010c52dc16ab23e53f2702a..ece4cd0de061969d4d2f07560e6cf38e
      boolean isUpdateQueued = false; // Paper
      private final ChunkMap chunkMap; // Paper
  
-@@ -448,12 +449,18 @@ public class ChunkHolder {
+@@ -438,12 +439,18 @@ public class ChunkHolder {
          });
      }
  
@@ -119,7 +203,7 @@ index 36a9d52d9af3bc398010c52dc16ab23e53f2702a..ece4cd0de061969d4d2f07560e6cf38e
          ChunkStatus chunkstatus = ChunkHolder.getStatus(this.oldTicketLevel);
          ChunkStatus chunkstatus1 = ChunkHolder.getStatus(this.ticketLevel);
          boolean flag = this.oldTicketLevel <= ChunkMap.MAX_CHUNK_DISTANCE;
-@@ -464,9 +471,22 @@ public class ChunkHolder {
+@@ -454,9 +461,22 @@ public class ChunkHolder {
          // ChunkUnloadEvent: Called before the chunk is unloaded: isChunkLoaded is still true and chunk can still be modified by plugins.
          if (playerchunk_state.isOrAfter(ChunkHolder.FullChunkStatus.BORDER) && !playerchunk_state1.isOrAfter(ChunkHolder.FullChunkStatus.BORDER)) {
              this.getFutureIfPresentUnchecked(ChunkStatus.FULL).thenAccept((either) -> {
@@ -143,22 +227,21 @@ index 36a9d52d9af3bc398010c52dc16ab23e53f2702a..ece4cd0de061969d4d2f07560e6cf38e
                          // Minecraft will apply the chunks tick lists to the world once the chunk got loaded, and then store the tick
                          // lists again inside the chunk once the chunk becomes inaccessible and set the chunk's needsSaving flag.
                          // These actions may however happen deferred, so we manually set the needsSaving flag already here.
-@@ -523,12 +543,14 @@ public class ChunkHolder {
+@@ -501,11 +521,13 @@ public class ChunkHolder {
              this.scheduleFullChunkPromotion(chunkStorage, this.fullChunkFuture, executor, ChunkHolder.FullChunkStatus.BORDER);
              // Paper start - cache ticking ready status
              this.fullChunkFuture.thenAccept(either -> {
 +                io.papermc.paper.util.TickThread.ensureTickThread("Async full chunk future completion"); // Paper
                  final Optional<LevelChunk> left = either.left();
                  if (left.isPresent() && ChunkHolder.this.fullChunkCreateCount == expectCreateCount) {
-                     // note: Here is a very good place to add callbacks to logic waiting on this.
                      LevelChunk fullChunk = either.left().get();
                      ChunkHolder.this.isFullChunkReady = true;
-                     fullChunk.playerChunk = ChunkHolder.this;
+                     net.minecraft.server.ChunkSystem.onChunkBorder(fullChunk, this);
-+                    this.chunkMap.distanceManager.clearPriorityTickets(pos);
++                    this.chunkMap.distanceManager.clearPriorityTickets(pos); // Paper - chunk priority
                  }
              });
              this.updateChunkToSave(this.fullChunkFuture, "full");
-@@ -549,6 +571,7 @@ public class ChunkHolder {
+@@ -531,6 +553,7 @@ public class ChunkHolder {
              this.scheduleFullChunkPromotion(chunkStorage, this.tickingChunkFuture, executor, ChunkHolder.FullChunkStatus.TICKING);
              // Paper start - cache ticking ready status
              this.tickingChunkFuture.thenAccept(either -> {
@@ -166,15 +249,15 @@ index 36a9d52d9af3bc398010c52dc16ab23e53f2702a..ece4cd0de061969d4d2f07560e6cf38e
                  either.ifLeft(chunk -> {
                      // note: Here is a very good place to add callbacks to logic waiting on this.
                      ChunkHolder.this.isTickingReady = true;
-@@ -584,6 +607,7 @@ public class ChunkHolder {
+@@ -563,6 +586,7 @@ public class ChunkHolder {
              this.scheduleFullChunkPromotion(chunkStorage, this.entityTickingChunkFuture, executor, ChunkHolder.FullChunkStatus.ENTITY_TICKING);
              // Paper start - cache ticking ready status
              this.entityTickingChunkFuture.thenAccept(either -> {
 +                io.papermc.paper.util.TickThread.ensureTickThread("Async full chunk future completion"); // Paper
                  either.ifLeft(chunk -> {
                      ChunkHolder.this.isEntityTickingReady = true;
-                     // Paper start - entity ticking chunk set
+                     net.minecraft.server.ChunkSystem.onChunkEntityTicking(chunk, this);
-@@ -610,16 +634,45 @@ public class ChunkHolder {
+@@ -586,16 +610,45 @@ public class ChunkHolder {
              this.demoteFullChunk(chunkStorage, playerchunk_state1);
          }
  
@@ -223,7 +306,7 @@ index 36a9d52d9af3bc398010c52dc16ab23e53f2702a..ece4cd0de061969d4d2f07560e6cf38e
                      });
                  }
              }).exceptionally((throwable) -> {
-@@ -744,7 +797,134 @@ public class ChunkHolder {
+@@ -696,7 +749,134 @@ public class ChunkHolder {
          };
      }
  
@@ -360,10 +443,10 @@ index 36a9d52d9af3bc398010c52dc16ab23e53f2702a..ece4cd0de061969d4d2f07560e6cf38e
          return this.isEntityTickingReady;
      }
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a975fda04b 100644
+index c3bbaf32373a32417f8b83f386f8cf327c6e0893..46bfaf04867d913c1782d851de101d913376c63a 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
-@@ -134,6 +134,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -131,6 +131,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
      public final ServerLevel level;
      private final ThreadedLevelLightEngine lightEngine;
      private final BlockableEventLoop<Runnable> mainThreadExecutor;
@@ -371,7 +454,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
      public ChunkGenerator generator;
      private RandomState randomState;
      public final Supplier<DimensionDataStorage> overworldDataStorage;
-@@ -337,6 +338,15 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -267,6 +268,15 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          }
  
          this.mainThreadExecutor = mainThreadExecutor;
@@ -387,7 +470,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
          ProcessorMailbox<Runnable> threadedmailbox = ProcessorMailbox.create(executor, "worldgen");
  
          Objects.requireNonNull(mainThreadExecutor);
-@@ -452,6 +462,37 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -309,6 +319,37 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          });
      }
  
@@ -422,10 +505,10 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
 +    }
 +    // Paper end
 +
-     // Paper start
+     private static double euclideanDistanceSquared(ChunkPos pos, Entity entity) {
-     public void updatePlayerMobTypeMap(Entity entity) {
+         double d0 = (double) SectionPos.sectionToBlockCoord(pos.x, 8);
-         if (!this.level.paperConfig().entities.spawning.perPlayerMobSpawns) {
+         double d1 = (double) SectionPos.sectionToBlockCoord(pos.z, 8);
-@@ -562,6 +603,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -399,6 +440,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          List<ChunkHolder> list1 = new ArrayList();
          int j = centerChunk.x;
          int k = centerChunk.z;
@@ -433,7 +516,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
  
          for (int l = -margin; l <= margin; ++l) {
              for (int i1 = -margin; i1 <= margin; ++i1) {
-@@ -580,6 +622,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -417,6 +459,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
  
                  ChunkStatus chunkstatus = (ChunkStatus) distanceToStatus.apply(j1);
                  CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> completablefuture = playerchunk.getOrScheduleFuture(chunkstatus, this);
@@ -448,7 +531,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
  
                  list1.add(playerchunk);
                  list.add(completablefuture);
-@@ -937,11 +987,19 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -733,11 +783,19 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          if (requiredStatus == ChunkStatus.EMPTY) {
              return this.scheduleChunkLoad(chunkcoordintpair);
          } else {
@@ -469,7 +552,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
  
              if (optional.isPresent() && ((ChunkAccess) optional.get()).getStatus().isOrAfter(requiredStatus)) {
                  CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> completablefuture = requiredStatus.load(this.level, this.structureTemplateManager, this.lightEngine, (ichunkaccess) -> {
-@@ -953,6 +1011,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -749,6 +807,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              } else {
                  return this.scheduleChunkGeneration(holder, requiredStatus);
              }
@@ -477,7 +560,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
          }
      }
  
-@@ -992,14 +1051,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -788,14 +847,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          };
  
          CompletableFuture<CompoundTag> chunkSaveFuture = this.level.asyncChunkTaskManager.getChunkSaveFuture(pos.x, pos.z);
@@ -507,7 +590,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
          return ret;
          // Paper end - Async chunk io
      }
-@@ -1078,7 +1147,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -874,7 +943,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
                  this.releaseLightTicket(chunkcoordintpair);
                  return CompletableFuture.completedFuture(Either.right(playerchunk_failure));
              });
@@ -519,7 +602,7 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
      }
  
      protected void releaseLightTicket(ChunkPos pos) {
-@@ -1162,7 +1234,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -957,7 +1029,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              long i = chunkHolder.getPos().toLong();
  
              Objects.requireNonNull(chunkHolder);
@@ -529,10 +612,10 @@ index eb74a831fc439c56fe1ac2d4769ebefa1e5759a3..349c311e70758d99ebb4c61ad509a3a9
      }
  
 diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
-index 9bc956068df3baabb9f8e02ee74a6397de2bf587..b2df5e18ce5260a9781052db7afb0b9786fb887c 100644
+index 1d6ab658c48bb765f66624f276ec7b05cf33c1d5..b9b56068cdacd984f873cfb2a06a312e9912893d 100644
 --- a/src/main/java/net/minecraft/server/level/DistanceManager.java
 +++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
-@@ -128,6 +128,7 @@ public abstract class DistanceManager {
+@@ -114,6 +114,7 @@ public abstract class DistanceManager {
      }
  
      private static int getTicketLevelAt(SortedArraySet<Ticket<?>> tickets) {
@@ -540,15 +623,15 @@ index 9bc956068df3baabb9f8e02ee74a6397de2bf587..b2df5e18ce5260a9781052db7afb0b97
          return !tickets.isEmpty() ? ((Ticket) tickets.first()).getTicketLevel() : ChunkMap.MAX_CHUNK_DISTANCE + 1;
      }
  
-@@ -142,6 +143,7 @@ public abstract class DistanceManager {
+@@ -128,6 +129,7 @@ public abstract class DistanceManager {
      public boolean runAllUpdates(ChunkMap chunkStorage) {
-         //this.f.a(); // Paper - no longer used
+         this.naturalSpawnChunkCounter.runAllUpdates();
          this.tickingTicketsTracker.runAllUpdates();
 +        org.spigotmc.AsyncCatcher.catchOp("DistanceManagerTick"); // Paper
          this.playerTicketManager.runAllUpdates();
          int i = Integer.MAX_VALUE - this.ticketTracker.runDistanceUpdates(Integer.MAX_VALUE);
          boolean flag = i != 0;
-@@ -152,11 +154,13 @@ public abstract class DistanceManager {
+@@ -138,11 +140,13 @@ public abstract class DistanceManager {
  
          // Paper start
          if (!this.pendingChunkUpdates.isEmpty()) {
@@ -562,7 +645,7 @@ index 9bc956068df3baabb9f8e02ee74a6397de2bf587..b2df5e18ce5260a9781052db7afb0b97
              // Paper end
              return true;
          } else {
-@@ -192,8 +196,10 @@ public abstract class DistanceManager {
+@@ -178,8 +182,10 @@ public abstract class DistanceManager {
              return flag;
          }
      }
@@ -573,7 +656,7 @@ index 9bc956068df3baabb9f8e02ee74a6397de2bf587..b2df5e18ce5260a9781052db7afb0b97
          SortedArraySet<Ticket<?>> arraysetsorted = this.getTickets(i);
          int j = DistanceManager.getTicketLevelAt(arraysetsorted);
          Ticket<?> ticket1 = (Ticket) arraysetsorted.addOrGet(ticket);
-@@ -207,7 +213,9 @@ public abstract class DistanceManager {
+@@ -193,7 +199,9 @@ public abstract class DistanceManager {
      }
  
      boolean removeTicket(long i, Ticket<?> ticket) { // CraftBukkit - void -> boolean
@@ -583,7 +666,7 @@ index 9bc956068df3baabb9f8e02ee74a6397de2bf587..b2df5e18ce5260a9781052db7afb0b97
  
          boolean removed = false; // CraftBukkit
          if (arraysetsorted.remove(ticket)) {
-@@ -239,7 +247,12 @@ public abstract class DistanceManager {
+@@ -225,7 +233,12 @@ public abstract class DistanceManager {
              this.tickets.remove(i);
          }
  
@@ -597,7 +680,7 @@ index 9bc956068df3baabb9f8e02ee74a6397de2bf587..b2df5e18ce5260a9781052db7afb0b97
          return removed; // CraftBukkit
      }
  
-@@ -289,6 +302,112 @@ public abstract class DistanceManager {
+@@ -275,6 +288,112 @@ public abstract class DistanceManager {
          });
      }
  
@@ -711,12 +794,12 @@ index 9bc956068df3baabb9f8e02ee74a6397de2bf587..b2df5e18ce5260a9781052db7afb0b97
          Ticket<ChunkPos> ticket = new Ticket<>(TicketType.FORCED, 31, pos);
          long i = pos.toLong();
 diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-index 585892f19bc0aea89889a358c0407f2975b9efe5..918fda0fbbafa39ce0f421dcaf10f8dcf1e5dabb 100644
+index 07671ac54f598872dba2b22ec8f82db3dd037d7f..5057053bcd3fc205e62edd9519a9545c16ce60c7 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-@@ -590,6 +590,26 @@ public class ServerChunkCache extends ChunkSource {
+@@ -409,6 +409,30 @@ public class ServerChunkCache extends ChunkSource {
-             return CompletableFuture.completedFuture(either);
+ 
-         }, this.mainThreadProcessor);
+         return ret;
      }
 +
 +    public boolean markUrgent(ChunkPos coords) {
@@ -737,11 +820,15 @@ index 585892f19bc0aea89889a358c0407f2975b9efe5..918fda0fbbafa39ce0f421dcaf10f8dc
 +
 +    public void clearPriorityTickets(ChunkPos coords) {
 +        this.distanceManager.clearPriorityTickets(coords);
++    }
++
++    public void clearUrgent(ChunkPos coords) {
++        this.distanceManager.clearUrgent(coords);
 +    }
      // Paper end - async chunk io
  
      @Nullable
-@@ -630,6 +650,8 @@ public class ServerChunkCache extends ChunkSource {
+@@ -443,6 +467,8 @@ public class ServerChunkCache extends ChunkSource {
              Objects.requireNonNull(completablefuture);
              if (!completablefuture.isDone()) { // Paper
                  // Paper start - async chunk io/loading
@@ -750,7 +837,7 @@ index 585892f19bc0aea89889a358c0407f2975b9efe5..918fda0fbbafa39ce0f421dcaf10f8dc
                  this.level.asyncChunkTaskManager.raisePriority(x1, z1, com.destroystokyo.paper.io.PrioritizedTaskQueue.HIGHEST_PRIORITY);
                  com.destroystokyo.paper.io.chunk.ChunkTaskManager.pushChunkWait(this.level, x1, z1);
                  // Paper end
-@@ -638,6 +660,8 @@ public class ServerChunkCache extends ChunkSource {
+@@ -450,6 +476,8 @@ public class ServerChunkCache extends ChunkSource {
              chunkproviderserver_b.managedBlock(completablefuture::isDone);
                  com.destroystokyo.paper.io.chunk.ChunkTaskManager.popChunkWait(); // Paper - async chunk debug
                  this.level.timings.syncChunkLoad.stopTiming(); // Paper
@@ -759,7 +846,7 @@ index 585892f19bc0aea89889a358c0407f2975b9efe5..918fda0fbbafa39ce0f421dcaf10f8dc
              } // Paper
              ichunkaccess = (ChunkAccess) ((Either) completablefuture.join()).map((ichunkaccess1) -> {
                  return ichunkaccess1;
-@@ -711,10 +735,12 @@ public class ServerChunkCache extends ChunkSource {
+@@ -555,10 +583,12 @@ public class ServerChunkCache extends ChunkSource {
          if (create && !currentlyUnloading) {
              // CraftBukkit end
              this.distanceManager.addTicket(TicketType.UNKNOWN, chunkcoordintpair, l, chunkcoordintpair);
@@ -772,7 +859,7 @@ index 585892f19bc0aea89889a358c0407f2975b9efe5..918fda0fbbafa39ce0f421dcaf10f8dc
                  this.runDistanceManagerUpdates();
                  playerchunk = this.getVisibleChunkIfPresent(k);
                  gameprofilerfiller.pop();
-@@ -724,7 +750,13 @@ public class ServerChunkCache extends ChunkSource {
+@@ -568,7 +598,13 @@ public class ServerChunkCache extends ChunkSource {
              }
          }
  
@@ -787,7 +874,7 @@ index 585892f19bc0aea89889a358c0407f2975b9efe5..918fda0fbbafa39ce0f421dcaf10f8dc
      }
  
      private boolean chunkAbsent(@Nullable ChunkHolder holder, int maxLevel) {
-@@ -776,6 +808,7 @@ public class ServerChunkCache extends ChunkSource {
+@@ -620,6 +656,7 @@ public class ServerChunkCache extends ChunkSource {
      }
  
      public boolean runDistanceManagerUpdates() {
@@ -796,10 +883,10 @@ index 585892f19bc0aea89889a358c0407f2975b9efe5..918fda0fbbafa39ce0f421dcaf10f8dc
          boolean flag1 = this.chunkMap.promoteChunkMap();
  
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index 792ca370a918867e20dc8b020e7ed76535d4742b..63d06fda90816e79026387bc06e88eeb6ad21506 100644
+index 9ab4588e4e512176b881ad4c252e400ff6ea97bd..4adf2d503015cac85b12fbaae833b33eeeb44403 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-@@ -192,6 +192,7 @@ public class ServerPlayer extends Player {
+@@ -191,6 +191,7 @@ public class ServerPlayer extends Player {
      private int lastRecordedArmor = Integer.MIN_VALUE;
      private int lastRecordedLevel = Integer.MIN_VALUE;
      private int lastRecordedExperience = Integer.MIN_VALUE;
@@ -807,9 +894,9 @@ index 792ca370a918867e20dc8b020e7ed76535d4742b..63d06fda90816e79026387bc06e88eeb
      private float lastSentHealth = -1.0E8F;
      private int lastSentFood = -99999999;
      private boolean lastFoodSaturationZero = true;
-@@ -336,6 +337,21 @@ public class ServerPlayer extends Player {
+@@ -318,6 +319,21 @@ public class ServerPlayer extends Player {
+         this.bukkitPickUpLoot = true;
          this.maxHealthCache = this.getMaxHealth();
-         this.cachedSingleMobDistanceMap = new com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper
      }
 +    // Paper start - Chunk priority
 +    public BlockPos getPointInFront(double inFront) {
@@ -1099,7 +1186,7 @@ index f1128f0d4a9a0241ac6c9bc18dd13b431c616bb1..2b2b7851d5f68bcdb41d58bcc64740ba
      protected Ticket(TicketType<T> type, int level, T argument) {
          this.type = type;
 diff --git a/src/main/java/net/minecraft/server/level/TicketType.java b/src/main/java/net/minecraft/server/level/TicketType.java
-index 8770fe0db46b01e8b608637df4f1a669a3f4cdde..3c1698ba0d3bc412ab957777d9b5211dbc555208 100644
+index 10fa6cec911950f72407ae7f45c8cf48caa9421a..478109526cff7ceb0565cea3b5e97b9a07fbf8d1 100644
 --- a/src/main/java/net/minecraft/server/level/TicketType.java
 +++ b/src/main/java/net/minecraft/server/level/TicketType.java
 @@ -9,6 +9,8 @@ import net.minecraft.world.level.ChunkPos;
@@ -1112,33 +1199,22 @@ index 8770fe0db46b01e8b608637df4f1a669a3f4cdde..3c1698ba0d3bc412ab957777d9b5211d
      private final String name;
      private final Comparator<T> comparator;
 diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
-index 0b301b1f164853bfd23300993288a2958824e287..ec48afe87b5d159b5bdbe035e214ea7c9024fadb 100644
+index 5833cc3d5014dad82607afc4d643b6bed885be64..8e0f73dcef189442450b4518437fb3a1c34b9a47 100644
 --- a/src/main/java/net/minecraft/server/players/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/players/PlayerList.java
-@@ -178,6 +178,7 @@ public abstract class PlayerList {
+@@ -177,6 +177,7 @@ public abstract class PlayerList {
      }
  
      public void placeNewPlayer(Connection connection, ServerPlayer player) {
 +        player.isRealPlayer = true; // Paper - Chunk priority
-         ServerPlayer prev = pendingPlayers.put(player.getUUID(), player);// Paper
+         GameProfile gameprofile = player.getGameProfile();
-         if (prev != null) {
+         GameProfileCache usercache = this.server.getProfileCache();
-             disconnectPendingPlayer(prev);
+         Optional<GameProfile> optional = usercache.get(gameprofile.getId());
-@@ -292,8 +293,8 @@ public abstract class PlayerList {
-         net.minecraft.server.level.ChunkMap playerChunkMap = worldserver1.getChunkSource().chunkMap;
-         net.minecraft.server.level.DistanceManager distanceManager = playerChunkMap.distanceManager;
-         distanceManager.addTicket(net.minecraft.server.level.TicketType.LOGIN, pos, 31, pos.toLong());
--        worldserver1.getChunkSource().runDistanceManagerUpdates();
--        worldserver1.getChunkSource().getChunkAtAsynchronously(chunkX, chunkZ, true, true).thenApply(chunk -> {
-+        worldserver1.getChunkSource().markAreaHighPriority(pos, 28, 3); // Paper - Chunk priority
-+        worldserver1.getChunkSource().getChunkAtAsynchronously(chunkX, chunkZ, true, false).thenApply(chunk -> { // Paper - Chunk priority
-             net.minecraft.server.level.ChunkHolder updatingChunk = playerChunkMap.getUpdatingChunkIfPresent(pos.toLong());
-             if (updatingChunk != null) {
-                 return updatingChunk.getEntityTickingChunkFuture();
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 173824e96c51c4f1a9f43401cfa3fc79a2432600..c1bf81770f9d00f4e3ba5844260812bb4f6026ca 100644
+index 1a44c98b69398ba5dcb4115f0e8fdcf3f62fd920..9878aded49d0049b066fa608c7eaf25a55fcf12e 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -293,7 +293,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+@@ -212,7 +212,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
      private BlockPos blockPosition;
      private ChunkPos chunkPosition;
      private Vec3 deltaMovement;
@@ -1148,10 +1224,10 @@ index 173824e96c51c4f1a9f43401cfa3fc79a2432600..c1bf81770f9d00f4e3ba5844260812bb
      public float yRotO;
      public float xRotO;
 diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
-index 797ff36295412ac8429d573e039d870fd85eb569..3591ac3b7823e109e01ebfa54ac70aa4deabd4f6 100644
+index 58a245b2ca6e65d491694142ad04d38236b46434..893051059df51133a127b0870e27ab67461052fa 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
-@@ -141,7 +141,7 @@ public class LevelChunk extends ChunkAccess {
+@@ -134,7 +134,7 @@ public class LevelChunk extends ChunkAccess {
          return NEIGHBOUR_CACHE_RADIUS;
      }
  
@@ -1160,7 +1236,7 @@ index 797ff36295412ac8429d573e039d870fd85eb569..3591ac3b7823e109e01ebfa54ac70aa4
      private long neighbourChunksLoadedBitset;
      private final LevelChunk[] loadedNeighbourChunks = new LevelChunk[(NEIGHBOUR_CACHE_RADIUS * 2 + 1) * (NEIGHBOUR_CACHE_RADIUS * 2 + 1)];
  
-@@ -693,6 +693,7 @@ public class LevelChunk extends ChunkAccess {
+@@ -653,6 +653,7 @@ public class LevelChunk extends ChunkAccess {
  
      // CraftBukkit start
      public void loadCallback() {
@@ -1168,7 +1244,7 @@ index 797ff36295412ac8429d573e039d870fd85eb569..3591ac3b7823e109e01ebfa54ac70aa4
          // Paper start - neighbour cache
          int chunkX = this.chunkPos.x;
          int chunkZ = this.chunkPos.z;
-@@ -747,6 +748,7 @@ public class LevelChunk extends ChunkAccess {
+@@ -707,6 +708,7 @@ public class LevelChunk extends ChunkAccess {
      }
  
      public void unloadCallback() {
@@ -1176,41 +1252,3 @@ index 797ff36295412ac8429d573e039d870fd85eb569..3591ac3b7823e109e01ebfa54ac70aa4
          org.bukkit.Server server = this.level.getCraftServer();
          org.bukkit.event.world.ChunkUnloadEvent unloadEvent = new org.bukkit.event.world.ChunkUnloadEvent(this.bukkitChunk, this.isUnsaved());
          server.getPluginManager().callEvent(unloadEvent);
-diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index b234ba968e82ddf1e8f7c84d3a17659e3beda2b3..af22fa8aa8ddef4d592564b14d0114cc6f903fca 100644
---- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-@@ -2077,6 +2077,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
-             return future;
-         }
- 
-+        // Paper start - Chunk priority
-+        if (!urgent) {
-+            // If not urgent, at least use a slightly boosted priority
-+            world.getChunkSource().markHighPriority(new ChunkPos(x, z), 1);
-+        }
-+        // Paper end
-         return this.world.getChunkSource().getChunkAtAsynchronously(x, z, gen, urgent).thenComposeAsync((either) -> {
-             net.minecraft.world.level.chunk.LevelChunk chunk = (net.minecraft.world.level.chunk.LevelChunk) either.left().orElse(null);
-             if (chunk != null) addTicket(x, z); // Paper
-diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-index 7ed67bcf9d0afb684e9c070fc1149d5f000aa8da..1b789e43707979a440ec64b3a09db317274abc36 100644
---- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-@@ -1039,6 +1039,16 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
-         throw new UnsupportedOperationException("Cannot set rotation of players. Consider teleporting instead.");
-     }
- 
-+    // Paper start - Chunk priority
-+    @Override
-+    public java.util.concurrent.CompletableFuture<Boolean> teleportAsync(Location loc, @javax.annotation.Nonnull PlayerTeleportEvent.TeleportCause cause) {
-+        ((CraftWorld)loc.getWorld()).getHandle().getChunkSource().markAreaHighPriority(
-+            new net.minecraft.world.level.ChunkPos(net.minecraft.util.Mth.floor(loc.getX()) >> 4,
-+            net.minecraft.util.Mth.floor(loc.getZ()) >> 4), 28, 3); // Load area high priority
-+        return super.teleportAsync(loc, cause);
-+    }
-+    // Paper end
-+
-     @Override
-     public boolean teleport(Location location, PlayerTeleportEvent.TeleportCause cause) {
-         Preconditions.checkArgument(location != null, "location");

patches/removed/1.19.2-legacy-chunksystem/0853-Replace-player-chunk-loader-system.patch

@@ -1218,10 +1218,10 @@ index 0000000000000000000000000000000000000000..b53402903eb6845df361daf6b05a6686
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
-index 9549e8ed4b245176b340ab2f22f4bdefdbe28a9e..b65a3626d2e0817cd1e223ec3b10e82fa0339663 100644
+index 66afd752fd7d327e141d49b477f07e1ff3645d02..2a26d03fba2f3b37f176be9e47954ef9a6cd7b3e 100644
 --- a/src/main/java/net/minecraft/network/Connection.java
 +++ b/src/main/java/net/minecraft/network/Connection.java
-@@ -104,6 +104,28 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
+@@ -100,6 +100,28 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
      public boolean queueImmunity = false;
      public ConnectionProtocol protocol;
      // Paper end
@@ -1250,7 +1250,7 @@ index 9549e8ed4b245176b340ab2f22f4bdefdbe28a9e..b65a3626d2e0817cd1e223ec3b10e82f
  
      // Paper start - allow controlled flushing
      volatile boolean canFlush = true;
-@@ -479,6 +501,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
+@@ -488,6 +510,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
          return false;
      }
      private boolean processQueue() {
@@ -1258,7 +1258,7 @@ index 9549e8ed4b245176b340ab2f22f4bdefdbe28a9e..b65a3626d2e0817cd1e223ec3b10e82f
          if (this.queue.isEmpty()) return true;
          // Paper start - make only one flush call per sendPacketQueue() call
          final boolean needsFlush = this.canFlush;
-@@ -510,6 +533,12 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
+@@ -519,6 +542,12 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
              }
          }
          return true;
@@ -1272,10 +1272,10 @@ index 9549e8ed4b245176b340ab2f22f4bdefdbe28a9e..b65a3626d2e0817cd1e223ec3b10e82f
      // Paper end
  
 diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
-index 1eb71004a19866590a3d27fa6e72842934989177..7034af8ad42940c5af6b9032b9873ce36c55a2a7 100644
+index b575d73ae0ff2e4f09a6a1f6fb061ca3da2cedf1..6939ef9b1fe782980e77c351d8a385a573d6a8e6 100644
 --- a/src/main/java/net/minecraft/server/MCUtil.java
 +++ b/src/main/java/net/minecraft/server/MCUtil.java
-@@ -647,7 +647,8 @@ public final class MCUtil {
+@@ -636,7 +636,8 @@ public final class MCUtil {
              });
  
              worldData.addProperty("name", world.getWorld().getName());
@@ -1284,9 +1284,9 @@ index 1eb71004a19866590a3d27fa6e72842934989177..7034af8ad42940c5af6b9032b9873ce3
 +            worldData.addProperty("tick-view-distance", world.getChunkSource().chunkMap.playerChunkManager.getTargetTickViewDistance()); // Paper - replace chunk loader system
              worldData.addProperty("keep-spawn-loaded", world.keepSpawnInMemory);
              worldData.addProperty("keep-spawn-loaded-range", world.paperConfig().spawn.keepSpawnLoadedRange * 16);
-             worldData.addProperty("visible-chunk-count", visibleChunks.size());
+             worldData.addProperty("visible-chunk-count", allChunks.size());
 diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
-index 5482be03a667939ff009b6810d5cc90c8601e983..11cd31691307749e925930c4b6e10e3f3b4fad25 100644
+index 73712d6b9c828427d4c066c6d8672534575f3793..a041161dee9a857d43c83fb677dba7e90a6a5d24 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
 @@ -76,6 +76,17 @@ public class ChunkHolder {
@@ -1305,9 +1305,9 @@ index 5482be03a667939ff009b6810d5cc90c8601e983..11cd31691307749e925930c4b6e10e3f
 +    }
 +    // Paper end - no-tick view distance
  
-     // Paper start - optimise anyPlayerCloseEnoughForSpawning
+     // Paper start
-     // cached here to avoid a map lookup
+     public void onChunkAdd() {
-@@ -268,7 +279,7 @@ public class ChunkHolder {
+@@ -273,7 +284,7 @@ public class ChunkHolder {
  
      public void blockChanged(BlockPos pos) {
          if (!pos.isInsideBuildHeightAndWorldBoundsHorizontal(levelHeightAccessor)) return; // Paper - SPIGOT-6086 for all invalid locations; avoid acquiring locks
@@ -1316,7 +1316,7 @@ index 5482be03a667939ff009b6810d5cc90c8601e983..11cd31691307749e925930c4b6e10e3f
  
          if (chunk != null) {
              int i = this.levelHeightAccessor.getSectionIndex(pos.getY());
-@@ -284,14 +295,15 @@ public class ChunkHolder {
+@@ -289,14 +300,15 @@ public class ChunkHolder {
      }
  
      public void sectionLightChanged(LightLayer lightType, int y) {
@@ -1336,7 +1336,7 @@ index 5482be03a667939ff009b6810d5cc90c8601e983..11cd31691307749e925930c4b6e10e3f
  
                  if (chunk != null) {
                      int j = this.lightEngine.getMinLightSection();
-@@ -394,9 +406,28 @@ public class ChunkHolder {
+@@ -399,9 +411,28 @@ public class ChunkHolder {
      }
  
      public void broadcast(Packet<?> packet, boolean onlyOnWatchDistanceEdge) {
@@ -1369,10 +1369,10 @@ index 5482be03a667939ff009b6810d5cc90c8601e983..11cd31691307749e925930c4b6e10e3f
  
      public CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> getOrScheduleFuture(ChunkStatus targetStatus, ChunkMap chunkStorage) {
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57ef78f5015 100644
+index a5e74d30045a171f5ed66a115fbd429e9ab412af..47657f20652a80f50a2e46207c9c05d1a12111b4 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
-@@ -221,6 +221,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -218,6 +218,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
      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
@@ -1380,7 +1380,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
      // Paper start - use distance map to optimise tracker
      public static boolean isLegacyTrackingEntity(Entity entity) {
          return entity.isLegacyTrackingEntity;
-@@ -240,6 +241,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -237,6 +238,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
      // Paper end - use distance map to optimise tracker
  
      void addPlayerToDistanceMaps(ServerPlayer player) {
@@ -1388,7 +1388,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
          int chunkX = MCUtil.getChunkCoordinate(player.getX());
          int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
          // Paper start - use distance map to optimise entity tracker
-@@ -247,7 +249,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -244,7 +246,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
              int trackRange = this.entityTrackerTrackRanges[i];
  
@@ -1397,7 +1397,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
          }
          // Paper end - use distance map to optimise entity tracker
          // Note: players need to be explicitly added to distance maps before they can be updated
-@@ -277,6 +279,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -274,6 +276,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              this.playerMobDistanceMap.remove(player);
          }
          // Paper end - per player mob spawning
@@ -1405,7 +1405,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
      }
  
      void updateMaps(ServerPlayer player) {
-@@ -288,7 +291,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -285,7 +288,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
              int trackRange = this.entityTrackerTrackRanges[i];
  
@@ -1414,7 +1414,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
          }
          // Paper end - use distance map to optimise entity tracker
          this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
-@@ -298,6 +301,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -295,6 +298,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              this.playerMobDistanceMap.update(player, chunkX, chunkZ, this.distanceManager.getSimulationDistance());
          }
          // Paper end - per player mob spawning
@@ -1422,7 +1422,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
      }
      // Paper end
      // Paper start
-@@ -1452,11 +1456,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -1447,11 +1451,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          completablefuture1.thenAcceptAsync((either) -> {
              either.ifLeft((chunk) -> {
                  this.tickingGenerated.getAndIncrement();
@@ -1435,12 +1435,12 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
              });
          }, (runnable) -> {
              this.mainThreadMailbox.tell(ChunkTaskPriorityQueueSorter.message(holder, runnable));
-@@ -1625,33 +1625,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -1620,33 +1620,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              int k = this.viewDistance;
  
              this.viewDistance = j;
 -            this.distanceManager.updatePlayerTickets(this.viewDistance + 1);
--            Iterator objectiterator = this.updatingChunks.getVisibleValuesCopy().iterator(); // Paper
+-            Iterator objectiterator = net.minecraft.server.ChunkSystem.getUpdatingChunkHolders(this.level).iterator(); // Paper
 -
 -            while (objectiterator.hasNext()) {
 -                ChunkHolder playerchunk = (ChunkHolder) objectiterator.next();
@@ -1478,16 +1478,16 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
  
                      if (chunk != null) {
                          this.playerLoadedChunk(player, packet, chunk);
-@@ -1682,7 +1673,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -1677,7 +1668,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
  
      void dumpChunks(Writer writer) throws IOException {
          CsvOutput csvwriter = CsvOutput.builder().addColumn("x").addColumn("z").addColumn("level").addColumn("in_memory").addColumn("status").addColumn("full_status").addColumn("accessible_ready").addColumn("ticking_ready").addColumn("entity_ticking_ready").addColumn("ticket").addColumn("spawning").addColumn("block_entity_count").addColumn("ticking_ticket").addColumn("ticking_level").addColumn("block_ticks").addColumn("fluid_ticks").build(writer);
 -        TickingTracker tickingtracker = this.distanceManager.tickingTracker();
 +        // Paper - replace loader system
-         ObjectBidirectionalIterator objectbidirectionaliterator = this.updatingChunks.getVisibleMap().clone().long2ObjectEntrySet().fastIterator(); // Paper
+         Iterator<ChunkHolder> objectbidirectionaliterator = net.minecraft.server.ChunkSystem.getVisibleChunkHolders(this.level).iterator(); // Paper
  
          while (objectbidirectionaliterator.hasNext()) {
-@@ -1698,7 +1689,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -1693,7 +1684,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              // CraftBukkit - decompile error
              csvwriter.writeRow(chunkcoordintpair.x, chunkcoordintpair.z, playerchunk.getTicketLevel(), optional.isPresent(), optional.map(ChunkAccess::getStatus).orElse(null), optional1.map(LevelChunk::getFullStatus).orElse(null), ChunkMap.printFuture(playerchunk.getFullChunkFuture()), ChunkMap.printFuture(playerchunk.getTickingChunkFuture()), ChunkMap.printFuture(playerchunk.getEntityTickingChunkFuture()), this.distanceManager.getTicketDebugString(i), this.anyPlayerCloseEnoughForSpawning(chunkcoordintpair), optional1.map((chunk) -> {
                  return chunk.getBlockEntities().size();
@@ -1496,7 +1496,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
                  return chunk.getBlockTicks().count();
              }).orElse(0), optional1.map((chunk) -> {
                  return chunk.getFluidTicks().count();
-@@ -1932,15 +1923,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -1927,15 +1918,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
              this.removePlayerFromDistanceMaps(player); // Paper - distance maps
          }
  
@@ -1513,7 +1513,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
  
      }
  
-@@ -1948,7 +1931,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -1943,7 +1926,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          SectionPos sectionposition = SectionPos.of((EntityAccess) player);
  
          player.setLastSectionPos(sectionposition);
@@ -1522,7 +1522,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
          return sectionposition;
      }
  
-@@ -1993,65 +1976,40 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -1988,65 +1971,40 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          int k1;
          int l1;
  
@@ -1610,7 +1610,7 @@ index 4f6473398edd9987dfbb6cef79ed1bc93c3dd809..d98c489a58c8c2e657a8879b991aa57e
      }
  
      public void addEntity(Entity entity) {
-@@ -2420,7 +2378,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+@@ -2415,7 +2373,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
                  double vec3d_dx = player.getX() - this.entity.getX();
                  double vec3d_dz = player.getZ() - this.entity.getZ();
                  // Paper end - remove allocation of Vec3D here
@@ -1797,10 +1797,10 @@ index f581a9f79b2357118d912a15344ff94df3b0c50e..d1b5c25b7455174e908cd6ed66789fa7
 +     */ // Paper - replace old loader system
  }
 diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-index 96a232f22b1c270b91635ce9c7c6cacc63b026cc..59acbf6249f8f5285504c0ddea448a3433d1d68d 100644
+index 4c82f17313e18c9dfd9b28653715b8a3242b826c..efcb80efc69a1e5ffc81b579bf535fd94e8144d7 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-@@ -844,17 +844,10 @@ public class ServerChunkCache extends ChunkSource {
+@@ -667,17 +667,10 @@ public class ServerChunkCache extends ChunkSource {
      // Paper end
  
      public boolean isPositionTicking(long pos) {
@@ -1822,7 +1822,7 @@ index 96a232f22b1c270b91635ce9c7c6cacc63b026cc..59acbf6249f8f5285504c0ddea448a34
      }
  
      public void save(boolean flush) {
-@@ -911,6 +904,7 @@ public class ServerChunkCache extends ChunkSource {
+@@ -734,6 +727,7 @@ public class ServerChunkCache extends ChunkSource {
          this.level.getProfiler().popPush("chunks");
          if (tickChunks) {
              this.level.timings.chunks.startTiming(); // Paper - timings
@@ -1830,7 +1830,7 @@ index 96a232f22b1c270b91635ce9c7c6cacc63b026cc..59acbf6249f8f5285504c0ddea448a34
              this.tickChunks();
              this.level.timings.chunks.stopTiming(); // Paper - timings
          }
-@@ -1024,13 +1018,13 @@ public class ServerChunkCache extends ChunkSource {
+@@ -847,13 +841,13 @@ public class ServerChunkCache extends ChunkSource {
                  // Paper end - optimise chunk tick iteration
                  ChunkPos chunkcoordintpair = chunk1.getPos();
  
@@ -1846,7 +1846,7 @@ index 96a232f22b1c270b91635ce9c7c6cacc63b026cc..59acbf6249f8f5285504c0ddea448a34
                          this.level.tickChunk(chunk1, k);
                          if ((chunksTicked++ & 1) == 0) net.minecraft.server.MinecraftServer.getServer().executeMidTickTasks(); // Paper
                      }
-@@ -1259,6 +1253,7 @@ public class ServerChunkCache extends ChunkSource {
+@@ -1082,6 +1076,7 @@ public class ServerChunkCache extends ChunkSource {
          public boolean pollTask() {
          try {
              boolean execChunkTask = com.destroystokyo.paper.io.chunk.ChunkTaskManager.pollChunkWaitQueue() || ServerChunkCache.this.level.asyncChunkTaskManager.pollNextChunkTask(); // Paper
@@ -1855,10 +1855,10 @@ index 96a232f22b1c270b91635ce9c7c6cacc63b026cc..59acbf6249f8f5285504c0ddea448a34
                  return true;
              } else {
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 01fd17fa845d4f03f3e7e599f42e56f51dd52ff6..b021fc77687cf7f569e5bf6fbb481c486e27e5a6 100644
+index 3bb6dbdd05ed981f70556c8f905d1eeeeade30b8..e71ae32d9827d8a6fb8543abdba7627897ac9f2e 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
-@@ -676,7 +676,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -682,7 +682,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
                          gameprofilerfiller.push("checkDespawn");
                          entity.checkDespawn();
                          gameprofilerfiller.pop();
@@ -1867,7 +1867,7 @@ index 01fd17fa845d4f03f3e7e599f42e56f51dd52ff6..b021fc77687cf7f569e5bf6fbb481c48
                              Entity entity1 = entity.getVehicle();
  
                              if (entity1 != null) {
-@@ -709,7 +709,10 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -715,7 +715,10 @@ public class ServerLevel extends Level implements WorldGenLevel {
  
      @Override
      public boolean shouldTickBlocksAt(long chunkPos) {
@@ -1879,7 +1879,7 @@ index 01fd17fa845d4f03f3e7e599f42e56f51dd52ff6..b021fc77687cf7f569e5bf6fbb481c48
      }
  
      protected void tickTime() {
-@@ -2453,7 +2456,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+@@ -2459,7 +2462,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
      private boolean isPositionTickingWithEntitiesLoaded(long chunkPos) {
          // Paper start - optimize is ticking ready type functions
          ChunkHolder chunkHolder = this.chunkSource.chunkMap.getVisibleChunkIfPresent(chunkPos);
@@ -1889,10 +1889,10 @@ index 01fd17fa845d4f03f3e7e599f42e56f51dd52ff6..b021fc77687cf7f569e5bf6fbb481c48
      }
  
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index de72b42065d1b24d195e79f3627c7fa2d276fb1e..f5bfd027759a28fd83c244d58e941a24142a3d05 100644
+index b35b36527294dd697d146d2ad817d7911145ae8c..18c3d4aecf498f78040c27336d2ea56fd911d034 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-@@ -2495,5 +2495,5 @@ public class ServerPlayer extends Player {
+@@ -2475,5 +2475,5 @@ public class ServerPlayer extends Player {
      }
      // CraftBukkit end
  
@@ -1900,10 +1900,10 @@ index de72b42065d1b24d195e79f3627c7fa2d276fb1e..f5bfd027759a28fd83c244d58e941a24
 +    public final int getViewDistance() { throw new UnsupportedOperationException("Use PlayerChunkLoader"); } // Paper - placeholder
  }
 diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
-index c0ed1103e649e619c58f59c7bedd6a18a58f71ea..e57636efacedf1c6f1ccd4f01f7e94d6fda2ff4f 100644
+index 67f90c75aa4858bf1575bf7b0a62b8113de7c2ea..b588e14b2826bda5b03b4fc497efcb96b566541a 100644
 --- a/src/main/java/net/minecraft/server/players/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/players/PlayerList.java
-@@ -273,7 +273,7 @@ public abstract class PlayerList {
+@@ -276,7 +276,7 @@ public abstract class PlayerList {
          boolean flag1 = gamerules.getBoolean(GameRules.RULE_REDUCEDDEBUGINFO);
  
          // Spigot - view distance
@@ -1912,7 +1912,7 @@ index c0ed1103e649e619c58f59c7bedd6a18a58f71ea..e57636efacedf1c6f1ccd4f01f7e94d6
          player.getBukkitEntity().sendSupportedChannels(); // CraftBukkit
          playerconnection.send(new ClientboundCustomPayloadPacket(ClientboundCustomPayloadPacket.BRAND, (new FriendlyByteBuf(Unpooled.buffer())).writeUtf(this.getServer().getServerModName())));
          playerconnection.send(new ClientboundChangeDifficultyPacket(worlddata.getDifficulty(), worlddata.isDifficultyLocked()));
-@@ -942,8 +942,8 @@ public abstract class PlayerList {
+@@ -949,8 +949,8 @@ public abstract class PlayerList {
          // CraftBukkit start
          LevelData worlddata = worldserver1.getLevelData();
          entityplayer1.connection.send(new ClientboundRespawnPacket(worldserver1.dimensionTypeId(), worldserver1.dimension(), BiomeManager.obfuscateSeed(worldserver1.getSeed()), entityplayer1.gameMode.getGameModeForPlayer(), entityplayer1.gameMode.getPreviousGameModeForPlayer(), worldserver1.isDebug(), worldserver1.isFlat(), flag, entityplayer1.getLastDeathLocation()));
@@ -1923,7 +1923,7 @@ index c0ed1103e649e619c58f59c7bedd6a18a58f71ea..e57636efacedf1c6f1ccd4f01f7e94d6
          entityplayer1.spawnIn(worldserver1);
          entityplayer1.unsetRemoved();
          entityplayer1.connection.teleport(new Location(worldserver1.getWorld(), entityplayer1.getX(), entityplayer1.getY(), entityplayer1.getZ(), entityplayer1.getYRot(), entityplayer1.getXRot()));
-@@ -1485,7 +1485,7 @@ public abstract class PlayerList {
+@@ -1519,7 +1519,7 @@ public abstract class PlayerList {
  
      public void setViewDistance(int viewDistance) {
          this.viewDistance = viewDistance;
@@ -1932,7 +1932,7 @@ index c0ed1103e649e619c58f59c7bedd6a18a58f71ea..e57636efacedf1c6f1ccd4f01f7e94d6
          Iterator iterator = this.server.getAllLevels().iterator();
  
          while (iterator.hasNext()) {
-@@ -1500,7 +1500,7 @@ public abstract class PlayerList {
+@@ -1534,7 +1534,7 @@ public abstract class PlayerList {
  
      public void setSimulationDistance(int simulationDistance) {
          this.simulationDistance = simulationDistance;
@@ -1984,10 +1984,10 @@ index 0b3e9e4ed162a6d9e1f3f55b9522b75c94d13254..fa1ff2e79954089552974cefedfcbff2
                          double deltaZ = soundPos.getZ() - player.getZ();
                          double distanceSquared = deltaX * deltaX + deltaZ * deltaZ;
 diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
-index 13c4b7aee9b9802edbaf7e4df9e9355667e727bb..9c036f7be422fd8447726478eee15a77637fdb9c 100644
+index 931de769a3b7c993d151f3ee8e1038d95d3899a3..30140ae5a74a511c9031b8e772e724b25e56de3d 100644
 --- a/src/main/java/net/minecraft/world/level/Level.java
 +++ b/src/main/java/net/minecraft/world/level/Level.java
-@@ -628,6 +628,11 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+@@ -627,6 +627,11 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
  
              if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && (this.isClientSide || chunk == null || (chunk.getFullStatus() != null && chunk.getFullStatus().isOrAfter(ChunkHolder.FullChunkStatus.TICKING)))) { // allow chunk to be null here as chunk.isReady() is false when we send our notification during block placement
                  this.sendBlockUpdated(blockposition, iblockdata1, iblockdata, i);
@@ -2000,7 +2000,7 @@ index 13c4b7aee9b9802edbaf7e4df9e9355667e727bb..9c036f7be422fd8447726478eee15a77
  
              if ((i & 1) != 0) {
 diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
-index 0de0519c01886a39399233b275db44b95e2f3d96..c46cbbf9ac4c5661933b03bc0b2559f7ade8c798 100644
+index d870cefbe5b7485f423817f4f639e3e2a304640c..2292cb0e0c1a3e0ed34b941f028136bfb0bff13e 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
 @@ -191,6 +191,43 @@ public class LevelChunk extends ChunkAccess {
@@ -2079,10 +2079,38 @@ index 0de0519c01886a39399233b275db44b95e2f3d96..c46cbbf9ac4c5661933b03bc0b2559f7
  
      @Nullable
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index 6e36b6c722e647fe3672d782447a09030381137e..17b85478749be5be2bec19e49f26e03ebae29852 100644
+index 73e7181655b78f5bff90d07edfe6c5408cc08235..cf6fce4f3bddcbbae59fd128cf661e4506b9d2c5 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-@@ -2280,43 +2280,56 @@ public class CraftWorld extends CraftRegionAccessor implements World {
+@@ -483,10 +483,14 @@ public class CraftWorld extends CraftRegionAccessor implements World {
+         ChunkHolder playerChunk = this.world.getChunkSource().chunkMap.getVisibleChunkIfPresent(ChunkPos.asLong(x, z));
+         if (playerChunk == null) return false;
+ 
+-        playerChunk.getTickingChunkFuture().thenAccept(either -> {
+-            either.left().ifPresent(chunk -> {
++        // Paper start - rewrite player chunk loader
++        net.minecraft.world.level.chunk.LevelChunk chunk = playerChunk.getSendingChunk();
++        if (chunk == null) {
++            return false;
++        }
++        // Paper end - rewrite player chunk loader
+                 List<ServerPlayer> playersInRange = playerChunk.playerProvider.getPlayers(playerChunk.getPos(), false);
+-                if (playersInRange.isEmpty()) return;
++                if (playersInRange.isEmpty()) return true; // Paper - rewrite player chunk loader
+ 
+                 // Paper start - Anti-Xray - Bypass
+                 Map<Object, ClientboundLevelChunkWithLightPacket> refreshPackets = new HashMap<>();
+@@ -499,8 +503,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
+                     }));
+                     // Paper end
+                 }
+-            });
+-        });
++        // Paper - rewrite player chunk loader
+ 
+         return true;
+     }
+@@ -2234,43 +2237,56 @@ public class CraftWorld extends CraftRegionAccessor implements World {
      // Spigot start
      @Override
      public int getViewDistance() {
@@ -2148,10 +2176,10 @@ index 6e36b6c722e647fe3672d782447a09030381137e..17b85478749be5be2bec19e49f26e03e
      // Paper end - view distance api
  
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-index 9312484b50949403372ce6441aca4a4bec056b19..58acaaa4925baa0b83b7eda4beec02f13cefaaa7 100644
+index b318842214ede551215fd68af033feb1c8ef6604..4f5760d782bdfeee25839c50b614301eeb8ba42f 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-@@ -584,46 +584,80 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+@@ -546,45 +546,80 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
          }
      }
  
@@ -2236,8 +2264,7 @@ index 9312484b50949403372ce6441aca4a4bec056b19..58acaaa4925baa0b83b7eda4beec02f1
 +
 +        data.setTargetSendViewDistance(viewDistance);
      }
--    // Paper end
 +    // Paper end - implement view distances
  
      @Override
-     public void setCompassTarget(Location loc) {
+     public <T> T getClientOption(com.destroystokyo.paper.ClientOption<T> type) {