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Code Issues Releases Activity

Add Parallel World Ticking patch

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This commit is contained in:
MrPowerGamerBR
2025-09-25 21:22:02 -03:00
parent 3d4071e0f1
commit 86fa3b958f
4 changed files with 1476 additions and 4 deletions
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6
sparklypaper-api/paper-patches/files/src/main/java/com/destroystokyo/paper/MaterialTags.java.patch
View File

@@ -1,6 +1,6 @@
--- a/src/main/java/com/destroystokyo/paper/MaterialTags.java
+++ b/src/main/java/com/destroystokyo/paper/MaterialTags.java
@@ -83,6 +_,7 @@
@@ -99,6 +_,7 @@
*/
public static final MaterialSetTag CONCRETES = new MaterialSetTag(keyFor("concretes"))
.endsWith("_CONCRETE")
@@ -8,7 +8,7 @@
.ensureSize("CONCRETES", 16).lock();
/**
@@ -161,6 +_,7 @@
@@ -181,6 +_,7 @@
.endsWith("TERRACOTTA")
.not(Material.TERRACOTTA)
.notEndsWith("GLAZED_TERRACOTTA")
@@ -16,7 +16,7 @@
.ensureSize("STAINED_TERRACOTTA", 16).lock();
/**
@@ -168,6 +_,7 @@
@@ -188,6 +_,7 @@
*/
public static final MaterialSetTag TERRACOTTA = new MaterialSetTag(keyFor("terracotta"))
.endsWith("TERRACOTTA")

2
sparklypaper-api/paper-patches/files/src/main/java/org/bukkit/Material.java.patch
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@@ -1,6 +1,6 @@
--- a/src/main/java/org/bukkit/Material.java
+++ b/src/main/java/org/bukkit/Material.java
@@ -1718,6 +_,16 @@
@@ -1791,6 +_,16 @@
ZOMBIE_HEAD(-1, Skull.class),
ZOMBIE_WALL_HEAD(-1, WallSkull.class),
// End generate - Blocks

823
sparklypaper-server/minecraft-patches/features/0001-Parallel-World-Ticking.patch Normal file
View File

@@ -0,0 +1,823 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrPowerGamerBR <git@mrpowergamerbr.com>
Date: Thu, 25 Sep 2025 21:17:14 -0300
Subject: [PATCH] Parallel World Ticking
diff --git a/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/ChunkHolderManager.java b/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/ChunkHolderManager.java
index 80f13315e8c7c0e3c82ab98f92387f56bb3b6481..d1cef62d7003f675d902c1c88ee42422ec1a8404 100644
--- a/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/ChunkHolderManager.java
+++ b/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/ChunkHolderManager.java
@@ -1124,7 +1124,7 @@ public final class ChunkHolderManager {
if (changedFullStatus.isEmpty()) {
return;
}
- if (!TickThread.isTickThread()) {
+ if (!TickThread.isTickThreadFor(world)) { // SparklyPaper - parallel world ticking
// These will be handled on the next ServerChunkCache$MainThreadExecutor#pollTask, as it runs the distance manager update
// which will invoke processTicketUpdates
this.offThreadPendingFullLoadUpdate.addAll(changedFullStatus);
@@ -1145,7 +1145,7 @@ public final class ChunkHolderManager {
// note: never call while inside the chunk system, this will absolutely break everything
public void processUnloads() {
- TickThread.ensureTickThread("Cannot unload chunks off-main");
+ TickThread.ensureTickThread(world, "Cannot unload chunks off-main"); // SparklyPaper - parallel world ticking
if (BLOCK_TICKET_UPDATES.get() == Boolean.TRUE) {
throw new IllegalStateException("Cannot unload chunks recursively");
@@ -1411,12 +1411,12 @@ public final class ChunkHolderManager {
if (BLOCK_TICKET_UPDATES.get() == Boolean.TRUE) {
throw new IllegalStateException("Cannot update ticket level while unloading chunks or updating entity manager");
}
- final boolean isTickThread = TickThread.isTickThread();
+ final boolean isTickThread = TickThread.isTickThreadFor(world);
if (!PlatformHooks.get().allowAsyncTicketUpdates() && isTickThread) {
TickThread.ensureTickThread("Cannot asynchronously process ticket updates");
}
-
+
boolean ret = false;
if (this.ticketLevelPropagator.hasPendingUpdates()) {
diff --git a/net/minecraft/core/dispenser/DispenseItemBehavior.java b/net/minecraft/core/dispenser/DispenseItemBehavior.java
index 703a75c7c6cd05a95afb630973250898dbc7223d..1bc84d3aa569222d20bc3c05b99de7590c35a195 100644
--- a/net/minecraft/core/dispenser/DispenseItemBehavior.java
+++ b/net/minecraft/core/dispenser/DispenseItemBehavior.java
@@ -410,8 +410,8 @@ public interface DispenseItemBehavior {
// CraftBukkit start
level.captureTreeGeneration = false;
if (!level.capturedBlockStates.isEmpty()) {
- org.bukkit.TreeType treeType = net.minecraft.world.level.block.SaplingBlock.treeType;
- net.minecraft.world.level.block.SaplingBlock.treeType = null;
+ org.bukkit.TreeType treeType = net.minecraft.world.level.block.SaplingBlock.treeTypeRT.get(); // SparklyPaper - parallel world ticking
+ net.minecraft.world.level.block.SaplingBlock.treeTypeRT.set(null); // SparklyPaper - parallel world ticking
org.bukkit.Location location = org.bukkit.craftbukkit.util.CraftLocation.toBukkit(blockPos, level);
List<org.bukkit.block.BlockState> states = new java.util.ArrayList<>(level.capturedBlockStates.values());
level.capturedBlockStates.clear();
diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
index 4607ba3fbc327fd1f6a7701af05cd18d6e4107e6..e34a8bea43d1aa82081b21c468d3b8315d77c151 100644
--- a/net/minecraft/server/MinecraftServer.java
+++ b/net/minecraft/server/MinecraftServer.java
@@ -310,6 +310,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public boolean isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked
private final Set<String> pluginsBlockingSleep = new java.util.HashSet<>(); // Paper - API to allow/disallow tick sleeping
public static final long SERVER_INIT = System.nanoTime(); // Paper - Lag compensation
+ public java.util.concurrent.Semaphore serverLevelTickingSemaphore = null; // SparklyPaper - parallel world ticking
public static <S extends MinecraftServer> S spin(Function<Thread, S> threadFunction) {
ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry.init(); // Paper - rewrite data converter system
@@ -1642,6 +1643,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
this.isIteratingOverLevels = true; // Paper - Throw exception on world create while being ticked
+ // SparklyPaper start - parallel world ticking
+ java.util.ArrayDeque<java.util.concurrent.Future<ServerLevel>> tasks = new java.util.ArrayDeque<>();
+ try {
for (ServerLevel serverLevel : this.getAllLevels()) {
serverLevel.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper - BlockPhysicsEvent
serverLevel.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper - Add EntityMoveEvent
@@ -1658,18 +1662,45 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
profilerFiller.push("tick");
- try {
- serverLevel.tick(hasTimeLeft);
- } catch (Throwable var7) {
- CrashReport crashReport = CrashReport.forThrowable(var7, "Exception ticking world");
- serverLevel.fillReportDetails(crashReport);
- throw new ReportedException(crashReport);
- }
+ serverLevelTickingSemaphore.acquire();
+ tasks.add(
+ serverLevel.tickExecutor.submit(() -> {
+ try {
+ ca.spottedleaf.moonrise.common.util.TickThread.ServerLevelTickThread currentThread = (ca.spottedleaf.moonrise.common.util.TickThread.ServerLevelTickThread) Thread.currentThread();
+ currentThread.currentlyTickingServerLevel = serverLevel;
+
+ long i = Util.getNanos(); // SparklyPaper - track world's MSPT
+ serverLevel.tick(hasTimeLeft);
+ // SparklyPaper start - track world's MSPT
+ long j = Util.getNanos() - i;
+
+ // These are from the "tickServer" function
+ serverLevel.tickTimes5s.add(this.tickCount, j);
+ serverLevel.tickTimes10s.add(this.tickCount, j);
+ serverLevel.tickTimes60s.add(this.tickCount, j);
+ // SparklyPaper end
+ } catch (Throwable throwable) {
+ CrashReport crashreport = CrashReport.forThrowable(throwable, "Exception ticking world");
+ serverLevel.fillReportDetails(crashreport);
+ throw new ReportedException(crashreport);
+ } finally {
+ serverLevelTickingSemaphore.release();
+ }
+ }, serverLevel)
+ );
profilerFiller.pop();
profilerFiller.pop();
serverLevel.explosionDensityCache.clear(); // Paper - Optimize explosions
}
+
+ while (!tasks.isEmpty()) {
+ tasks.pop().get();
+ }
+ } catch (java.lang.InterruptedException | java.util.concurrent.ExecutionException e) {
+ throw new RuntimeException(e); // Propagate exception
+ }
+ // SparklyPaper end
this.isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked
profilerFiller.popPush("connection");
@@ -1772,6 +1803,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
Map<ResourceKey<Level>, ServerLevel> oldLevels = this.levels;
Map<ResourceKey<Level>, ServerLevel> newLevels = Maps.newLinkedHashMap(oldLevels);
newLevels.remove(level.dimension());
+ level.tickExecutor.shutdown(); // SparklyPaper - parallel world ticking (We remove it in here instead of ServerLevel.close() because ServerLevel.close() is never called!)
this.levels = Collections.unmodifiableMap(newLevels);
}
// CraftBukkit end
diff --git a/net/minecraft/server/dedicated/DedicatedServer.java b/net/minecraft/server/dedicated/DedicatedServer.java
index bd10a93b7cb856459bdd2639b245fe7da84f0063..1f9db5bed6796b9a07e30535877723b82468772b 100644
--- a/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/net/minecraft/server/dedicated/DedicatedServer.java
@@ -269,6 +269,10 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
}
net.sparklypower.sparklypaper.SparklyPaperCommands.INSTANCE.registerCommands(this);
// SparklyPaper end
+ // SparklyPaper start - parallel world ticking start
+ serverLevelTickingSemaphore = new java.util.concurrent.Semaphore(net.sparklypower.sparklypaper.configs.SparklyPaperConfigUtils.INSTANCE.getConfig().getParallelWorldTicking().getThreads());
+ DedicatedServer.LOGGER.info("Using " + serverLevelTickingSemaphore.availablePermits() + " permits for parallel world ticking"); // SparklyPaper - parallel world ticking
+ // SparklyPaper end
// Paper start - initialize global and world-defaults configuration
this.paperConfigurations.initializeGlobalConfiguration(this.registryAccess());
this.paperConfigurations.initializeWorldDefaultsConfiguration(this.registryAccess());
diff --git a/net/minecraft/server/level/ServerChunkCache.java b/net/minecraft/server/level/ServerChunkCache.java
index 413f0673557b9e3f9177d15e9bef61bded209e34..db9c312c13c971e75fc4afeff5159564b69f5ca0 100644
--- a/net/minecraft/server/level/ServerChunkCache.java
+++ b/net/minecraft/server/level/ServerChunkCache.java
@@ -178,7 +178,7 @@ public class ServerChunkCache extends ChunkSource implements ca.spottedleaf.moon
// call mid-tick tasks for chunk system
if ((i & 7) == 0) {
- ((ca.spottedleaf.moonrise.patches.chunk_system.server.ChunkSystemMinecraftServer)this.level.getServer()).moonrise$executeMidTickTasks();
+ // ((ca.spottedleaf.moonrise.patches.chunk_system.server.ChunkSystemMinecraftServer)this.level.getServer()).moonrise$executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks)
continue;
}
}
diff --git a/net/minecraft/server/level/ServerLevel.java b/net/minecraft/server/level/ServerLevel.java
index 6620678f5d51379c376b425302a98200283ab84f..25910e2bbe55852d6cd5f1338cec4041356e96b8 100644
--- a/net/minecraft/server/level/ServerLevel.java
+++ b/net/minecraft/server/level/ServerLevel.java
@@ -188,7 +188,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
public final ServerChunkCache chunkSource;
private final MinecraftServer server;
public final net.minecraft.world.level.storage.PrimaryLevelData serverLevelData; // CraftBukkit - type
- final EntityTickList entityTickList = new EntityTickList();
+ final EntityTickList entityTickList = new EntityTickList(this); // SparklyPaper - parallel world ticking
private final ServerWaypointManager waypointManager;
// Paper - rewrite chunk system
private final GameEventDispatcher gameEventDispatcher;
@@ -214,6 +214,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
private final boolean tickTime;
private final RandomSequences randomSequences;
final LevelDebugSynchronizers debugSynchronizers = new LevelDebugSynchronizers(this);
+ public java.util.concurrent.ExecutorService tickExecutor; // SparklyPaper - parallel world ticking
// CraftBukkit start
public final LevelStorageSource.LevelStorageAccess levelStorageAccess;
@@ -682,7 +683,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
this.sleepStatus = new SleepStatus();
this.gameEventDispatcher = new GameEventDispatcher(this);
this.randomSequences = Objects.requireNonNullElseGet(randomSequences, () -> this.getDataStorage().computeIfAbsent(RandomSequences.TYPE));
- this.waypointManager = new ServerWaypointManager();
+ this.waypointManager = new ServerWaypointManager(this); // SparklyPaper - parallel world ticking
// Paper start - rewrite chunk system
this.moonrise$setEntityLookup(new ca.spottedleaf.moonrise.patches.chunk_system.level.entity.server.ServerEntityLookup((ServerLevel)(Object)this, ((ServerLevel)(Object)this).new EntityCallbacks()));
this.chunkTaskScheduler = new ca.spottedleaf.moonrise.patches.chunk_system.scheduling.ChunkTaskScheduler((ServerLevel)(Object)this);
@@ -698,6 +699,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
this.chunkDataController = new ca.spottedleaf.moonrise.patches.chunk_system.io.datacontroller.ChunkDataController((ServerLevel)(Object)this, this.chunkTaskScheduler);
// Paper end - rewrite chunk system
this.getCraftServer().addWorld(this.getWorld()); // CraftBukkit
+ this.tickExecutor = java.util.concurrent.Executors.newSingleThreadExecutor(new net.sparklypower.sparklypaper.ServerLevelTickExecutorThreadFactory(getWorld().getName())); // SparklyPaper - parallel world ticking
}
// Paper start
@@ -1265,7 +1267,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
}
// Paper start - rewrite chunk system
if ((++this.tickedBlocksOrFluids & 7L) != 0L) {
- ((ca.spottedleaf.moonrise.patches.chunk_system.server.ChunkSystemMinecraftServer)this.server).moonrise$executeMidTickTasks();
+ // ((ca.spottedleaf.moonrise.patches.chunk_system.server.ChunkSystemMinecraftServer)this.server).moonrise$executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks)
}
// Paper end - rewrite chunk system
@@ -1278,7 +1280,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
}
// Paper start - rewrite chunk system
if ((++this.tickedBlocksOrFluids & 7L) != 0L) {
- ((ca.spottedleaf.moonrise.patches.chunk_system.server.ChunkSystemMinecraftServer)this.server).moonrise$executeMidTickTasks();
+ // ((ca.spottedleaf.moonrise.patches.chunk_system.server.ChunkSystemMinecraftServer)this.server).moonrise$executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks)
}
// Paper end - rewrite chunk system
@@ -1549,6 +1551,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
}
private void addPlayer(ServerPlayer player) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this, "Cannot add player off-main"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
Entity entity = this.getEntity(player.getUUID());
if (entity != null) {
LOGGER.warn("Force-added player with duplicate UUID {}", player.getUUID());
@@ -1561,7 +1564,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
// CraftBukkit start
private boolean addEntity(Entity entity, @Nullable org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason) {
- org.spigotmc.AsyncCatcher.catchOp("entity add"); // Spigot
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this, "Cannot add entity off-main"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
entity.generation = false; // Paper - Don't fire sync event during generation; Reset flag if it was added during a ServerLevel generation process
// Paper start - extra debug info
if (entity.valid) {
diff --git a/net/minecraft/server/level/ServerPlayer.java b/net/minecraft/server/level/ServerPlayer.java
index 2a10190f00d406b4fc747ef207a399f6d3fa4c08..cb42ab07921b1ddc0411cf7c64548a1c6be2b6d1 100644
--- a/net/minecraft/server/level/ServerPlayer.java
+++ b/net/minecraft/server/level/ServerPlayer.java
@@ -472,6 +472,7 @@ public class ServerPlayer extends Player implements ca.spottedleaf.moonrise.patc
return this.viewDistanceHolder;
}
// Paper end - rewrite chunk system
+ public boolean hasTickedAtLeastOnceInNewWorld = false; // SparklyPaper - parallel world ticking (fixes bug in DreamResourceReset where the inventory is opened AFTER the player has changed worlds, if you click with the quick tp torch in a chest, because the inventory is opened AFTER the player has teleported)
public ServerPlayer(MinecraftServer server, ServerLevel level, GameProfile gameProfile, ClientInformation clientInformation) {
super(level, gameProfile);
@@ -716,6 +717,7 @@ public class ServerPlayer extends Player implements ca.spottedleaf.moonrise.patc
@Override
public void tick() {
+ hasTickedAtLeastOnceInNewWorld = true; // SparklyPaper - parallel world ticking (see: PARALLEL_NOTES.md - Opening an inventory after a world switch)
// CraftBukkit start
if (this.joining) {
this.joining = false;
@@ -1518,6 +1520,7 @@ public class ServerPlayer extends Player implements ca.spottedleaf.moonrise.patc
return this;
} else {
// CraftBukkit start
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureOnlyTickThread("Cannot change dimension of a player off-main, from world " + serverLevel.getWorld().getName() + " to world " + level.getWorld().getName()); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
/*
this.isChangingDimension = true;
LevelData levelData = level.getLevelData();
@@ -1857,6 +1860,12 @@ public class ServerPlayer extends Player implements ca.spottedleaf.moonrise.patc
return OptionalInt.empty();
} else {
// CraftBukkit start
+ // SparklyPaper start - parallel world ticking (see: PARALLEL_NOTES.md - Opening an inventory after a world switch)
+ if (!hasTickedAtLeastOnceInNewWorld) {
+ MinecraftServer.LOGGER.warn("Ignoring request to open container " + abstractContainerMenu + " because we haven't ticked in the current world yet!", new Throwable());
+ return OptionalInt.empty();
+ }
+ // SparklyPaper end
this.containerMenu = abstractContainerMenu; // Moved up
if (!this.isImmobile())
this.connection
@@ -1921,6 +1930,11 @@ public class ServerPlayer extends Player implements ca.spottedleaf.moonrise.patc
}
@Override
public void closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+ // SparklyPaper start - parallel world ticking (debugging)
+ if (net.sparklypower.sparklypaper.configs.SparklyPaperConfigUtils.INSTANCE.getLogContainerCreationStacktraces()) {
+ MinecraftServer.LOGGER.warn("Closing " + this.getBukkitEntity().getName() + " inventory that was created at", this.containerMenu.containerCreationStacktrace);
+ }
+ // SparklyPaper end
org.bukkit.craftbukkit.event.CraftEventFactory.handleInventoryCloseEvent(this, reason); // CraftBukkit
// Paper end - Inventory close reason
this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
diff --git a/net/minecraft/server/players/PlayerList.java b/net/minecraft/server/players/PlayerList.java
index 9d7be1695f797c2c041d21a8326aeea46b0488d7..dfc77fa5baead50008381272b0f8e06e54346be5 100644
--- a/net/minecraft/server/players/PlayerList.java
+++ b/net/minecraft/server/players/PlayerList.java
@@ -110,7 +110,7 @@ public abstract class PlayerList {
private static final SimpleDateFormat BAN_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd 'at' HH:mm:ss z");
private final MinecraftServer server;
public final List<ServerPlayer> players = new java.util.concurrent.CopyOnWriteArrayList(); // CraftBukkit - ArrayList -> CopyOnWriteArrayList: Iterator safety
- private final Map<UUID, ServerPlayer> playersByUUID = Maps.newHashMap();
+ private final Map<UUID, ServerPlayer> playersByUUID = Maps.newHashMap(); // SparklyPaper - parallel world ticking (we don't need to replace the original map because we never iterate on top of this map)
private final UserBanList bans;
private final IpBanList ipBans;
private final ServerOpList ops;
@@ -128,7 +128,7 @@ public abstract class PlayerList {
// CraftBukkit start
private org.bukkit.craftbukkit.CraftServer cserver;
- private final Map<String,ServerPlayer> playersByName = new java.util.HashMap<>();
+ private final Map<String,ServerPlayer> playersByName = new java.util.HashMap<>(); // SparklyPaper - parallel world ticking (we don't need to replace the original map because we never iterate on top of this map)
public @Nullable String collideRuleTeamName; // Paper - Configurable player collision
public PlayerList(
@@ -149,6 +149,7 @@ public abstract class PlayerList {
abstract public void loadAndSaveFiles(); // Paper - fix converting txt to json file; moved from DedicatedPlayerList constructor
public void placeNewPlayer(Connection connection, ServerPlayer player, CommonListenerCookie cookie) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureOnlyTickThread("Cannot place new player off-main"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
player.isRealPlayer = true; // Paper
player.loginTime = System.currentTimeMillis(); // Paper - Replace OfflinePlayer#getLastPlayed
NameAndId nameAndId = player.nameAndId();
@@ -591,6 +592,12 @@ public abstract class PlayerList {
}
public ServerPlayer respawn(ServerPlayer player, boolean keepInventory, Entity.RemovalReason reason, @Nullable org.bukkit.event.player.PlayerRespawnEvent.RespawnReason eventReason, @Nullable org.bukkit.Location location) {
+ // SparklyPaper - parallel world ticking (additional concurrency issues logs)
+ if (location != null) // TODO: Is this really never null, or is IntelliJ IDEA tripping? Because I'm pretty sure that this can be null and there isn't any @NotNull annotations
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureOnlyTickThread("Cannot respawn player off-main, from world " + player.level().getWorld().getName() + " to world " + location.getWorld().getName());
+ else
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureOnlyTickThread("Cannot respawn player off-main, respawning in world " + player.level().getWorld().getName());
+ // SparklyPaper end
player.stopRiding(); // CraftBukkit
// TeleportTransition teleportTransition = player.findRespawnPositionAndUseSpawnBlock(!keepInventory, TeleportTransition.DO_NOTHING);
this.players.remove(player);
@@ -601,6 +608,7 @@ public abstract class PlayerList {
ServerPlayer serverPlayer = player;
Level fromWorld = player.level();
player.wonGame = false;
+ serverPlayer.hasTickedAtLeastOnceInNewWorld = false; // SparklyPaper - parallel world ticking (see: PARALLEL_NOTES.md - Opening an inventory after a world switch)
// CraftBukkit end
serverPlayer.connection = player.connection;
serverPlayer.restoreFrom(player, keepInventory);
diff --git a/net/minecraft/server/waypoints/ServerWaypointManager.java b/net/minecraft/server/waypoints/ServerWaypointManager.java
index f9e7532f86122a379692561a639a209a126e8bba..2709dfae53c1a210f36c45fa0df0d49536341a38 100644
--- a/net/minecraft/server/waypoints/ServerWaypointManager.java
+++ b/net/minecraft/server/waypoints/ServerWaypointManager.java
@@ -20,8 +20,16 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
private final Set<ServerPlayer> players = new HashSet<>();
private final Table<ServerPlayer, WaypointTransmitter, WaypointTransmitter.Connection> connections = HashBasedTable.create();
+ // SparklyPaper start - parallel world ticking
+ private final net.minecraft.server.level.ServerLevel level;
+ public ServerWaypointManager(net.minecraft.server.level.ServerLevel level) {
+ this.level = level;
+ }
+ // SparklyPaper end
+
@Override
public void trackWaypoint(WaypointTransmitter waypoint) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot track waypoints off-main"); // SparklyPaper - parallel world ticking
this.waypoints.add(waypoint);
for (ServerPlayer serverPlayer : this.players) {
@@ -31,6 +39,7 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
@Override
public void updateWaypoint(WaypointTransmitter waypoint) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot update waypoints off-main"); // SparklyPaper - parallel world ticking
if (this.waypoints.contains(waypoint)) {
Map<ServerPlayer, WaypointTransmitter.Connection> map = Tables.transpose(this.connections).row(waypoint);
SetView<ServerPlayer> set = Sets.difference(this.players, map.keySet());
@@ -47,12 +56,14 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
@Override
public void untrackWaypoint(WaypointTransmitter waypoint) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot untrack waypoints off-main"); // SparklyPaper - parallel world ticking
this.connections.column(waypoint).forEach((serverPlayer, connection) -> connection.disconnect());
Tables.transpose(this.connections).row(waypoint).clear();
this.waypoints.remove(waypoint);
}
public void addPlayer(ServerPlayer player) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot add player to waypoints off-main"); // SparklyPaper - parallel world ticking
this.players.add(player);
for (WaypointTransmitter waypointTransmitter : this.waypoints) {
@@ -65,6 +76,7 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
}
public void updatePlayer(ServerPlayer player) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot update player for waypoints off-main"); // SparklyPaper - parallel world ticking
Map<WaypointTransmitter, WaypointTransmitter.Connection> map = this.connections.row(player);
SetView<WaypointTransmitter> set = Sets.difference(this.waypoints, map.keySet());
@@ -78,6 +90,7 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
}
public void removePlayer(ServerPlayer player) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot remove player from waypoints off-main"); // SparklyPaper - parallel world ticking
this.connections.row(player).values().removeIf(connection -> {
connection.disconnect();
return true;
@@ -87,6 +100,7 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
}
public void breakAllConnections() {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot break all waypoint connections off-main"); // SparklyPaper - parallel world ticking
this.connections.values().forEach(WaypointTransmitter.Connection::disconnect);
this.connections.clear();
}
@@ -106,6 +120,7 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
}
private void createConnection(ServerPlayer player, WaypointTransmitter waypoint) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot create waypoint connections off-main"); // SparklyPaper - parallel world ticking
if (player != waypoint) {
if (isLocatorBarEnabledFor(player)) {
waypoint.makeWaypointConnectionWith(player).ifPresentOrElse(connection -> {
@@ -122,6 +137,7 @@ public class ServerWaypointManager implements WaypointManager<WaypointTransmitte
}
private void updateConnection(ServerPlayer player, WaypointTransmitter waypoint, WaypointTransmitter.Connection connection) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, "Cannot update waypoint connection off-main"); // SparklyPaper - parallel world ticking
if (player != waypoint) {
if (isLocatorBarEnabledFor(player)) {
if (!connection.isBroken()) {
diff --git a/net/minecraft/world/entity/Entity.java b/net/minecraft/world/entity/Entity.java
index 2d74876cd072e0fd0380bc53ed34da1cb1bc3a29..333e917750cf08b9b1b1c50089fd27311981b1e4 100644
--- a/net/minecraft/world/entity/Entity.java
+++ b/net/minecraft/world/entity/Entity.java
@@ -840,7 +840,7 @@ public abstract class Entity implements SyncedDataHolder, DebugValueSource, Name
// CraftBukkit start
public void postTick() {
// No clean way to break out of ticking once the entity has been copied to a new world, so instead we move the portalling later in the tick cycle
- if (!(this instanceof ServerPlayer) && this.isAlive()) { // Paper - don't attempt to teleport dead entities
+ if (false && !(this instanceof ServerPlayer) && this.isAlive()) { // Paper - don't attempt to teleport dead entities // SparklyPaper - parallel world ticking (see issue #9, this is executed in the server level tick for non-player entities)
this.handlePortal();
}
}
@@ -4065,6 +4065,7 @@ public abstract class Entity implements SyncedDataHolder, DebugValueSource, Name
@Nullable
private Entity teleportCrossDimension(ServerLevel oldLevel, ServerLevel newLevel, TeleportTransition teleportTransition) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(oldLevel, "Cannot teleport entity to another world off-main, from world " + oldLevel.getWorld().getName() + " to world " + newLevel.getWorld().getName()); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
List<Entity> passengers = this.getPassengers();
List<Entity> list = new ArrayList<>(passengers.size());
this.ejectPassengers();
diff --git a/net/minecraft/world/inventory/AbstractContainerMenu.java b/net/minecraft/world/inventory/AbstractContainerMenu.java
index 06846950348954328c07f64cd9b3359e79a1a468..6fc0fd000c0fd41a8253c6829b2aa38e374b58d7 100644
--- a/net/minecraft/world/inventory/AbstractContainerMenu.java
+++ b/net/minecraft/world/inventory/AbstractContainerMenu.java
@@ -95,8 +95,14 @@ public abstract class AbstractContainerMenu {
public void startOpen() {}
// CraftBukkit end
+ public Throwable containerCreationStacktrace; // SparklyPaper - parallel world ticking (debugging)
protected AbstractContainerMenu(@Nullable MenuType<?> menuType, int containerId) {
+ // SparklyPaper - parallel world ticking (debugging)
+ if (net.sparklypower.sparklypaper.configs.SparklyPaperConfigUtils.INSTANCE.getLogContainerCreationStacktraces()) {
+ this.containerCreationStacktrace = new Throwable();
+ }
+ // SparklyPaper end
this.menuType = menuType;
this.containerId = containerId;
}
diff --git a/net/minecraft/world/item/ItemStack.java b/net/minecraft/world/item/ItemStack.java
index 25bc90eb527547487fb5191dc135f2c6030f3a19..5b3dbf15347af18065f1758c2bf06aee8af90abf 100644
--- a/net/minecraft/world/item/ItemStack.java
+++ b/net/minecraft/world/item/ItemStack.java
@@ -399,8 +399,8 @@ public final class ItemStack implements DataComponentHolder {
if (interactionResult.consumesAction() && serverLevel.captureTreeGeneration && !serverLevel.capturedBlockStates.isEmpty()) {
serverLevel.captureTreeGeneration = false;
org.bukkit.Location location = org.bukkit.craftbukkit.util.CraftLocation.toBukkit(clickedPos, serverLevel);
- org.bukkit.TreeType treeType = net.minecraft.world.level.block.SaplingBlock.treeType;
- net.minecraft.world.level.block.SaplingBlock.treeType = null;
+ org.bukkit.TreeType treeType = net.minecraft.world.level.block.SaplingBlock.treeTypeRT.get(); // SparklyPaper - parallel world ticking
+ net.minecraft.world.level.block.SaplingBlock.treeTypeRT.set(null);
List<org.bukkit.craftbukkit.block.CraftBlockState> blocks = new java.util.ArrayList<>(serverLevel.capturedBlockStates.values());
serverLevel.capturedBlockStates.clear();
org.bukkit.event.world.StructureGrowEvent structureEvent = null;
diff --git a/net/minecraft/world/level/Level.java b/net/minecraft/world/level/Level.java
index 133e60d0457b3067b5cf1f9c8374b67172b0596c..55a8da685402046183d950eb6266dc48e05e5eec 100644
--- a/net/minecraft/world/level/Level.java
+++ b/net/minecraft/world/level/Level.java
@@ -166,6 +166,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
}
// Paper end - add paper world config
+ public io.papermc.paper.redstone.RedstoneWireTurbo turbo = new io.papermc.paper.redstone.RedstoneWireTurbo((net.minecraft.world.level.block.RedStoneWireBlock) net.minecraft.world.level.block.Blocks.REDSTONE_WIRE); // SparklyPaper - parallel world ticking (moved to world)
public static @Nullable BlockPos lastPhysicsProblem; // Spigot
private int tileTickPosition;
public final Map<ServerExplosion.CacheKey, Float> explosionDensityCache = new java.util.HashMap<>(); // Paper - Optimize explosions
@@ -1038,6 +1039,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
@Override
public boolean setBlock(BlockPos pos, BlockState state, int flags, int recursionLeft) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread((ServerLevel)this, pos, "Updating block asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
// CraftBukkit start - tree generation
if (this.captureTreeGeneration) {
// Paper start - Protect Bedrock and End Portal/Frames from being destroyed
@@ -1417,7 +1419,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
tickingBlockEntity.tick();
// Paper start - rewrite chunk system
if ((++tickedEntities & 7) == 0) {
- ((ca.spottedleaf.moonrise.patches.chunk_system.level.ChunkSystemLevel)(Level)(Object)this).moonrise$midTickTasks();
+ // ((ca.spottedleaf.moonrise.patches.chunk_system.level.ChunkSystemLevel)(Level)(Object)this).moonrise$midTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks)
}
// Paper end - rewrite chunk system
}
@@ -1439,7 +1441,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
entity.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DISCARD);
// Paper end - Prevent block entity and entity crashes
}
- this.moonrise$midTickTasks(); // Paper - rewrite chunk system
+ // this.moonrise$midTickTasks(); // Paper - rewrite chunk system // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks)
}
// Paper start - Option to prevent armor stands from doing entity lookups
@@ -1581,6 +1583,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
@Nullable
@Override
public BlockEntity getBlockEntity(BlockPos pos) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThreadOrAsyncThread((ServerLevel) this, "Cannot read world asynchronously"); // SparklyPaper - parallel world ticking
// Paper start - Perf: Optimize capturedTileEntities lookup
net.minecraft.world.level.block.entity.BlockEntity blockEntity;
if (!this.capturedTileEntities.isEmpty() && (blockEntity = this.capturedTileEntities.get(pos)) != null) {
@@ -1597,6 +1600,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
}
public void setBlockEntity(BlockEntity blockEntity) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread((ServerLevel) this, "Cannot modify world asynchronously"); // SparklyPaper - parallel world ticking
BlockPos blockPos = blockEntity.getBlockPos();
if (!this.isOutsideBuildHeight(blockPos)) {
// CraftBukkit start
@@ -1682,6 +1686,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
@Override
public List<Entity> getEntities(@Nullable Entity entity, AABB boundingBox, Predicate<? super Entity> predicate) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread((ServerLevel)this, boundingBox, "Cannot getEntities asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
Profiler.get().incrementCounter("getEntities");
List<Entity> list = Lists.newArrayList();
@@ -2035,8 +2040,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
public abstract RecipeAccess recipeAccess();
public BlockPos getBlockRandomPos(int x, int y, int z, int yMask) {
- this.randValue = this.randValue * 3 + 1013904223;
- int i = this.randValue >> 2;
+ int i = this.random.nextInt() >> 2; // SparklyPaper - parallel world ticking
return new BlockPos(x + (i & 15), y + (i >> 16 & yMask), z + (i >> 8 & 15));
}
diff --git a/net/minecraft/world/level/block/FungusBlock.java b/net/minecraft/world/level/block/FungusBlock.java
index 9711efb088bd0da9168e9bcd0496bd7caddd2974..63da283d68c7e1184d1995aeb08cd8720f1b02ee 100644
--- a/net/minecraft/world/level/block/FungusBlock.java
+++ b/net/minecraft/world/level/block/FungusBlock.java
@@ -76,9 +76,9 @@ public class FungusBlock extends VegetationBlock implements BonemealableBlock {
// CraftBukkit start
.map((value) -> {
if (this == Blocks.WARPED_FUNGUS) {
- SaplingBlock.treeType = org.bukkit.TreeType.WARPED_FUNGUS;
+ SaplingBlock.treeTypeRT.set(org.bukkit.TreeType.WARPED_FUNGUS); // SparklyPaper - parallel world ticking
} else if (this == Blocks.CRIMSON_FUNGUS) {
- SaplingBlock.treeType = org.bukkit.TreeType.CRIMSON_FUNGUS;
+ SaplingBlock.treeTypeRT.set(org.bukkit.TreeType.CRIMSON_FUNGUS); // SparklyPaper - parallel world ticking
}
return value;
})
diff --git a/net/minecraft/world/level/block/MushroomBlock.java b/net/minecraft/world/level/block/MushroomBlock.java
index d306f5f524dc64618df94c9783c2168dc561a5e3..72363832a60a380869b60b1ec4a352a1e11608a8 100644
--- a/net/minecraft/world/level/block/MushroomBlock.java
+++ b/net/minecraft/world/level/block/MushroomBlock.java
@@ -93,7 +93,7 @@ public class MushroomBlock extends VegetationBlock implements BonemealableBlock
return false;
} else {
level.removeBlock(pos, false);
- SaplingBlock.treeType = (this == Blocks.BROWN_MUSHROOM) ? org.bukkit.TreeType.BROWN_MUSHROOM : org.bukkit.TreeType.RED_MUSHROOM; // CraftBukkit
+ SaplingBlock.treeTypeRT.set((this == Blocks.BROWN_MUSHROOM) ? org.bukkit.TreeType.BROWN_MUSHROOM : org.bukkit.TreeType.RED_MUSHROOM); // CraftBukkit // SparklyPaper - parallel world ticking
if (optional.get().value().place(level, level.getChunkSource().getGenerator(), random, pos)) {
return true;
} else {
diff --git a/net/minecraft/world/level/block/RedStoneWireBlock.java b/net/minecraft/world/level/block/RedStoneWireBlock.java
index 7d7e7a87f5c9bbd9535bf2105e05d7abf08fc3dc..293877b519a8f2ac63a02823e92ba5c9d0468d30 100644
--- a/net/minecraft/world/level/block/RedStoneWireBlock.java
+++ b/net/minecraft/world/level/block/RedStoneWireBlock.java
@@ -267,7 +267,7 @@ public class RedStoneWireBlock extends Block {
// Paper start - Optimize redstone (Eigencraft)
// The bulk of the new functionality is found in RedstoneWireTurbo.java
- io.papermc.paper.redstone.RedstoneWireTurbo turbo = new io.papermc.paper.redstone.RedstoneWireTurbo(this);
+ // io.papermc.paper.redstone.RedstoneWireTurbo turbo = new io.papermc.paper.redstone.RedstoneWireTurbo(this); // SparklyPaper - parallel world ticking (moved to world)
/*
* Modified version of pre-existing updateSurroundingRedstone, which is called from
@@ -283,7 +283,7 @@ public class RedStoneWireBlock extends Block {
if (orientation != null) {
source = pos.relative(orientation.getFront().getOpposite());
}
- turbo.updateSurroundingRedstone(worldIn, pos, state, source);
+ worldIn.turbo.updateSurroundingRedstone(worldIn, pos, state, source); // SparklyPaper - parallel world ticking
return;
}
updatePowerStrength(worldIn, pos, state, orientation, blockAdded);
@@ -311,7 +311,7 @@ public class RedStoneWireBlock extends Block {
// [Space Walker] suppress shape updates and emit those manually to
// bypass the new neighbor update stack.
if (level.setBlock(pos, state, Block.UPDATE_KNOWN_SHAPE | Block.UPDATE_CLIENTS)) {
- turbo.updateNeighborShapes(level, pos, state);
+ level.turbo.updateNeighborShapes(level, pos, state); // SparklyPaper - parallel world ticking
}
}
}
diff --git a/net/minecraft/world/level/block/SaplingBlock.java b/net/minecraft/world/level/block/SaplingBlock.java
index a5e4959c1b5133cfaeb9259d7e59b38a06453785..aa5e8d8ef47f7792b7204423f60ef4638c6d9821 100644
--- a/net/minecraft/world/level/block/SaplingBlock.java
+++ b/net/minecraft/world/level/block/SaplingBlock.java
@@ -25,7 +25,7 @@ public class SaplingBlock extends VegetationBlock implements BonemealableBlock {
public static final IntegerProperty STAGE = BlockStateProperties.STAGE;
private static final VoxelShape SHAPE = Block.column(12.0, 0.0, 12.0);
protected final TreeGrower treeGrower;
- public static @javax.annotation.Nullable org.bukkit.TreeType treeType; // CraftBukkit
+ public static final ThreadLocal<org.bukkit.TreeType> treeTypeRT = new ThreadLocal<>(); // SparklyPaper - parallel world ticking (from Folia)
@Override
public MapCodec<? extends SaplingBlock> codec() {
@@ -62,8 +62,8 @@ public class SaplingBlock extends VegetationBlock implements BonemealableBlock {
this.treeGrower.growTree(level, level.getChunkSource().getGenerator(), pos, state, random);
level.captureTreeGeneration = false;
if (!level.capturedBlockStates.isEmpty()) {
- org.bukkit.TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
+ org.bukkit.TreeType treeType = SaplingBlock.treeTypeRT.get(); // SparklyPaper - parallel world ticking
+ SaplingBlock.treeTypeRT.set(null);
org.bukkit.Location location = org.bukkit.craftbukkit.util.CraftLocation.toBukkit(pos, level);
java.util.List<org.bukkit.block.BlockState> blocks = new java.util.ArrayList<>(level.capturedBlockStates.values());
level.capturedBlockStates.clear();
diff --git a/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java b/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
index 1b2f8c4e1e362dc63fde2c7139039f0ce7eb762f..2ca4a34b3d9341f087fba031930ffd42a21c1db0 100644
--- a/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
+++ b/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
@@ -76,6 +76,12 @@ public abstract class BaseContainerBlockEntity extends BlockEntity implements Co
}
public static boolean canUnlock(Player player, LockCode code, Component displayName, @Nullable BlockEntity blockEntity) {
+ // SparklyPaper - parallel world ticking (see: PARALLEL_NOTES.md - Opening an inventory after a world switch)
+ if (player instanceof net.minecraft.server.level.ServerPlayer serverPlayer && blockEntity != null && blockEntity.getLevel() != serverPlayer.level()) {
+ net.minecraft.server.MinecraftServer.LOGGER.warn("Player " + serverPlayer.getScoreboardName() + " (" + serverPlayer.getStringUUID() + ") attempted to open a BlockEntity @ " + blockEntity.getLevel().getWorld().getName() + " " + blockEntity.getBlockPos().getX() + ", " + blockEntity.getBlockPos().getY() + ", " + blockEntity.getBlockPos().getZ() + " while they were in a different world " + serverPlayer.level().getWorld().getName() + " than the block themselves!");
+ return false;
+ }
+ // SparklyPaper end
if (player instanceof net.minecraft.server.level.ServerPlayer serverPlayer && blockEntity != null && blockEntity.getLevel() != null && blockEntity.getLevel().getBlockEntity(blockEntity.getBlockPos()) == blockEntity) {
final org.bukkit.block.Block block = org.bukkit.craftbukkit.block.CraftBlock.at(blockEntity.getLevel(), blockEntity.getBlockPos());
net.kyori.adventure.text.Component lockedMessage = net.kyori.adventure.text.Component.translatable("container.isLocked", io.papermc.paper.adventure.PaperAdventure.asAdventure(displayName));
diff --git a/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java b/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
index 0a94670dc20bb9c521b0395633eb100393895f6a..4ad9c47862a9791f72a18835a343bf0e962c14c8 100644
--- a/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
+++ b/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
@@ -43,9 +43,7 @@ public class SculkCatalystBlockEntity extends BlockEntity implements GameEventLi
// Paper end - Fix NPE in SculkBloomEvent world access
public static void serverTick(Level level, BlockPos pos, BlockState state, SculkCatalystBlockEntity sculkCatalyst) {
- org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverride = sculkCatalyst.getBlockPos(); // CraftBukkit - SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep.
sculkCatalyst.catalystListener.getSculkSpreader().updateCursors(level, pos, level.getRandom(), true);
- org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverride = null; // CraftBukkit
}
@Override
diff --git a/net/minecraft/world/level/block/grower/TreeGrower.java b/net/minecraft/world/level/block/grower/TreeGrower.java
index d23f255de9208f42125fa358a9e8194c984fe4d3..54d64e77dc8c4bef25822d74a30be1a860cfec36 100644
--- a/net/minecraft/world/level/block/grower/TreeGrower.java
+++ b/net/minecraft/world/level/block/grower/TreeGrower.java
@@ -203,55 +203,57 @@ public final class TreeGrower {
// CraftBukkit start
private void setTreeType(Holder<ConfiguredFeature<?, ?>> feature) {
+ org.bukkit.TreeType treeType; // SparklyPaper - parallel world ticking
if (feature.is(TreeFeatures.OAK) || feature.is(TreeFeatures.OAK_BEES_005)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.TREE;
+ treeType = org.bukkit.TreeType.TREE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.HUGE_RED_MUSHROOM)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.RED_MUSHROOM;
+ treeType = org.bukkit.TreeType.RED_MUSHROOM; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.HUGE_BROWN_MUSHROOM)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.BROWN_MUSHROOM;
+ treeType = org.bukkit.TreeType.BROWN_MUSHROOM; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.JUNGLE_TREE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.COCOA_TREE;
+ treeType = org.bukkit.TreeType.COCOA_TREE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.JUNGLE_TREE_NO_VINE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.SMALL_JUNGLE;
+ treeType = org.bukkit.TreeType.SMALL_JUNGLE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.PINE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.TALL_REDWOOD;
+ treeType = org.bukkit.TreeType.TALL_REDWOOD; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.SPRUCE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.REDWOOD;
+ treeType = org.bukkit.TreeType.REDWOOD; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.ACACIA)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.ACACIA;
+ treeType = org.bukkit.TreeType.ACACIA; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.BIRCH) || feature.is(TreeFeatures.BIRCH_BEES_005)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.BIRCH;
+ treeType = org.bukkit.TreeType.BIRCH; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.SUPER_BIRCH_BEES_0002)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.TALL_BIRCH;
+ treeType = org.bukkit.TreeType.TALL_BIRCH; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.SWAMP_OAK)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.SWAMP;
+ treeType = org.bukkit.TreeType.SWAMP; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.FANCY_OAK) || feature.is(TreeFeatures.FANCY_OAK_BEES_005)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.BIG_TREE;
+ treeType = org.bukkit.TreeType.BIG_TREE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.JUNGLE_BUSH)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.JUNGLE_BUSH;
+ treeType = org.bukkit.TreeType.JUNGLE_BUSH; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.DARK_OAK)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.DARK_OAK;
+ treeType = org.bukkit.TreeType.DARK_OAK; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.MEGA_SPRUCE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.MEGA_REDWOOD;
+ treeType = org.bukkit.TreeType.MEGA_REDWOOD; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.MEGA_PINE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.MEGA_PINE;
+ treeType = org.bukkit.TreeType.MEGA_PINE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.MEGA_JUNGLE_TREE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.JUNGLE;
+ treeType = org.bukkit.TreeType.JUNGLE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.AZALEA_TREE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.AZALEA;
+ treeType = org.bukkit.TreeType.AZALEA; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.MANGROVE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.MANGROVE;
+ treeType = org.bukkit.TreeType.MANGROVE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.TALL_MANGROVE)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.TALL_MANGROVE;
+ treeType = org.bukkit.TreeType.TALL_MANGROVE; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.CHERRY) || feature.is(TreeFeatures.CHERRY_BEES_005)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.CHERRY;
+ treeType = org.bukkit.TreeType.CHERRY; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.PALE_OAK) || feature.is(TreeFeatures.PALE_OAK_BONEMEAL)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.PALE_OAK;
+ treeType = org.bukkit.TreeType.PALE_OAK; // SparklyPaper - parallel world ticking
} else if (feature.is(TreeFeatures.PALE_OAK_CREAKING)) {
- net.minecraft.world.level.block.SaplingBlock.treeType = org.bukkit.TreeType.PALE_OAK_CREAKING;
+ treeType = org.bukkit.TreeType.PALE_OAK_CREAKING; // SparklyPaper - parallel world ticking
} else {
throw new IllegalArgumentException("Unknown tree generator " + feature);
}
+ net.minecraft.world.level.block.SaplingBlock.treeTypeRT.set(treeType); // SparklyPaper - parallel world ticking
}
// CraftBukkit end
}
diff --git a/net/minecraft/world/level/chunk/LevelChunk.java b/net/minecraft/world/level/chunk/LevelChunk.java
index 4dcec2e8a3120a3dfa078e8cf6857ba99ca01a2d..48f92923508802707968f9086a3bf38f0fc9a302 100644
--- a/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/net/minecraft/world/level/chunk/LevelChunk.java
@@ -367,6 +367,7 @@ public class LevelChunk extends ChunkAccess implements DebugValueSource, ca.spot
@Nullable
@Override
public BlockState setBlockState(BlockPos pos, BlockState state, int flags) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.level, pos, "Updating block asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
int y = pos.getY();
LevelChunkSection section = this.getSection(this.getSectionIndex(y));
boolean hasOnlyAir = section.hasOnlyAir();
diff --git a/net/minecraft/world/level/entity/EntityTickList.java b/net/minecraft/world/level/entity/EntityTickList.java
index 423779a2b690f387a4f0bd07b97b50e0baefda76..24f9632e73d73c2ad68ebf30eb0e4cca7befae2d 100644
--- a/net/minecraft/world/level/entity/EntityTickList.java
+++ b/net/minecraft/world/level/entity/EntityTickList.java
@@ -10,17 +10,26 @@ import net.minecraft.world.entity.Entity;
public class EntityTickList {
private final ca.spottedleaf.moonrise.common.list.IteratorSafeOrderedReferenceSet<net.minecraft.world.entity.Entity> entities = new ca.spottedleaf.moonrise.common.list.IteratorSafeOrderedReferenceSet<>(); // Paper - rewrite chunk system
+ // SparklyPaper start - parallel world ticking
+ // Used to track async entity additions/removals/loops
+ private final net.minecraft.server.level.ServerLevel serverLevel;
+ public EntityTickList(net.minecraft.server.level.ServerLevel serverLevel) {
+ this.serverLevel = serverLevel;
+ }
+ // SparklyPaper end
private void ensureActiveIsNotIterated() {
// Paper - rewrite chunk system
}
public void add(Entity entity) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(entity, "Asynchronous entity ticklist addition"); // Paper // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.ensureActiveIsNotIterated();
this.entities.add(entity); // Paper - rewrite chunk system
}
public void remove(Entity entity) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(entity, "Asynchronous entity ticklist removal"); // Paper // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.ensureActiveIsNotIterated();
this.entities.remove(entity); // Paper - rewrite chunk system
}
@@ -30,6 +39,7 @@ public class EntityTickList {
}
public void forEach(Consumer<Entity> entity) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverLevel, "Asynchronous entity ticklist iteration"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
// Paper start - rewrite chunk system
// To ensure nothing weird happens with dimension travelling, do not iterate over new entries...
// (by dfl iterator() is configured to not iterate over new entries)
diff --git a/net/minecraft/world/level/saveddata/maps/MapIndex.java b/net/minecraft/world/level/saveddata/maps/MapIndex.java
index 06025d79cc2297119b22224d777aca79f9d3d9c1..c4c6e28b58ec921ebc18b427e562fbaa51da65c8 100644
--- a/net/minecraft/world/level/saveddata/maps/MapIndex.java
+++ b/net/minecraft/world/level/saveddata/maps/MapIndex.java
@@ -23,8 +23,10 @@ public class MapIndex extends SavedData {
}
public MapId getNextMapId() {
+ synchronized (TYPE) { // SparklyPaper start - parallel world ticking
MapId mapId = new MapId(++this.lastMapId);
this.setDirty();
return mapId;
+ } // SparklyPaper end
}
}

649
sparklypaper-server/paper-patches/features/0001-Parallel-World-Ticking.patch Normal file
View File

@@ -0,0 +1,649 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrPowerGamerBR <git@mrpowergamerbr.com>
Date: Thu, 25 Sep 2025 21:20:48 -0300
Subject: [PATCH] Parallel World Ticking
diff --git a/src/main/java/ca/spottedleaf/moonrise/common/util/TickThread.java b/src/main/java/ca/spottedleaf/moonrise/common/util/TickThread.java
index 69cdd304d255d52c9b7dc9b6a33ffdb630b79abe..636ec7172e9b535f7b4f95b4a97432178aa6711c 100644
--- a/src/main/java/ca/spottedleaf/moonrise/common/util/TickThread.java
+++ b/src/main/java/ca/spottedleaf/moonrise/common/util/TickThread.java
@@ -14,6 +14,7 @@ import java.util.concurrent.atomic.AtomicInteger;
public class TickThread extends Thread {
private static final Logger LOGGER = LoggerFactory.getLogger(TickThread.class);
+ public static final boolean HARD_THROW = !Boolean.getBoolean("sparklypaper.disableHardThrow"); // SparklyPaper - parallel world ticking - THIS SHOULD NOT BE DISABLED SINCE IT CAN CAUSE DATA CORRUPTION!!! Anyhow, for production servers, if you want to make a test run to see if the server could crash, you can test it with this disabled
private static String getThreadContext() {
return "thread=" + Thread.currentThread().getName();
@@ -26,6 +27,7 @@ public class TickThread extends Thread {
public static void ensureTickThread(final String reason) {
if (!isTickThread()) {
LOGGER.error("Thread failed main thread check: " + reason + ", context=" + getThreadContext(), new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(reason);
}
}
@@ -33,8 +35,9 @@ public class TickThread extends Thread {
public static void ensureTickThread(final Level world, final BlockPos pos, final String reason) {
if (!isTickThreadFor(world, pos)) {
final String ex = "Thread failed main thread check: " +
- reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", block_pos=" + pos;
+ reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", block_pos=" + pos + " - " + getTickThreadInformation(world.getServer());
LOGGER.error(ex, new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(ex);
}
}
@@ -42,8 +45,9 @@ public class TickThread extends Thread {
public static void ensureTickThread(final Level world, final BlockPos pos, final int blockRadius, final String reason) {
if (!isTickThreadFor(world, pos, blockRadius)) {
final String ex = "Thread failed main thread check: " +
- reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", block_pos=" + pos + ", block_radius=" + blockRadius;
+ reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", block_pos=" + pos + ", block_radius=" + blockRadius + " - " + getTickThreadInformation(world.getServer());
LOGGER.error(ex, new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(ex);
}
}
@@ -51,8 +55,9 @@ public class TickThread extends Thread {
public static void ensureTickThread(final Level world, final ChunkPos pos, final String reason) {
if (!isTickThreadFor(world, pos)) {
final String ex = "Thread failed main thread check: " +
- reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", chunk_pos=" + pos;
+ reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", chunk_pos=" + pos + " - " + getTickThreadInformation(world.getServer());
LOGGER.error(ex, new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(ex);
}
}
@@ -60,8 +65,9 @@ public class TickThread extends Thread {
public static void ensureTickThread(final Level world, final int chunkX, final int chunkZ, final String reason) {
if (!isTickThreadFor(world, chunkX, chunkZ)) {
final String ex = "Thread failed main thread check: " +
- reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", chunk_pos=" + new ChunkPos(chunkX, chunkZ);
+ reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", chunk_pos=" + new ChunkPos(chunkX, chunkZ) + " - " + getTickThreadInformation(world.getServer());
LOGGER.error(ex, new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(ex);
}
}
@@ -69,8 +75,9 @@ public class TickThread extends Thread {
public static void ensureTickThread(final Entity entity, final String reason) {
if (!isTickThreadFor(entity)) {
final String ex = "Thread failed main thread check: " +
- reason + ", context=" + getThreadContext() + ", entity=" + EntityUtil.dumpEntity(entity);
+ reason + ", context=" + getThreadContext() + ", entity=" + EntityUtil.dumpEntity(entity) + " - " + getTickThreadInformation(entity.level().getServer());
LOGGER.error(ex, new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(ex);
}
}
@@ -78,8 +85,9 @@ public class TickThread extends Thread {
public static void ensureTickThread(final Level world, final AABB aabb, final String reason) {
if (!isTickThreadFor(world, aabb)) {
final String ex = "Thread failed main thread check: " +
- reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", aabb=" + aabb;
+ reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", aabb=" + aabb + " - " + getTickThreadInformation(world.getServer());
LOGGER.error(ex, new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(ex);
}
}
@@ -87,12 +95,75 @@ public class TickThread extends Thread {
public static void ensureTickThread(final Level world, final double blockX, final double blockZ, final String reason) {
if (!isTickThreadFor(world, blockX, blockZ)) {
final String ex = "Thread failed main thread check: " +
- reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", block_pos=" + new Vec3(blockX, 0.0, blockZ);
+ reason + ", context=" + getThreadContext() + ", world=" + WorldUtil.getWorldName(world) + ", block_pos=" + new Vec3(blockX, 0.0, blockZ) + " - " + getTickThreadInformation(world.getServer());
LOGGER.error(ex, new Throwable());
+ if (HARD_THROW) // SparklyPaper - parallel world ticking
throw new IllegalStateException(ex);
}
}
+ // SparklyPaper - parallel world ticking
+ // This is an additional method to check if the tick thread is bound to a specific world because, by default, Paper's isTickThread methods do not provide this information
+ // Because we only tick worlds in parallel (instead of regions), we can use this for our checks
+ public static void ensureTickThread(final net.minecraft.server.level.ServerLevel world, final String reason) {
+ if (!isTickThreadFor(world)) {
+ LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ world " + world.getWorld().getName() + " - " + getTickThreadInformation(world.getServer()), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
+ }
+ }
+
+ // SparklyPaper - parallel world ticking
+ // This is an additional method to check if it is a tick thread but ONLY a tick thread
+ public static void ensureOnlyTickThread(final String reason) {
+ boolean isTickThread = isTickThread();
+ boolean isServerLevelTickThread = isServerLevelTickThread();
+ if (!isTickThread || isServerLevelTickThread) {
+ LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread ONLY tick thread check: " + reason, new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
+ }
+ }
+
+ // SparklyPaper - parallel world ticking
+ // This is an additional method to check if the tick thread is bound to a specific world or if it is an async thread.
+ public static void ensureTickThreadOrAsyncThread(final net.minecraft.server.level.ServerLevel world, final String reason) {
+ boolean isValidTickThread = isTickThreadFor(world);
+ boolean isAsyncThread = !isTickThread();
+ boolean isValid = isAsyncThread || isValidTickThread;
+ if (!isValid) {
+ LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread or async thread check: " + reason + " @ world " + world.getWorld().getName() + " - " + getTickThreadInformation(world.getServer()), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
+ }
+ }
+
+ public static String getTickThreadInformation(net.minecraft.server.MinecraftServer minecraftServer) {
+ StringBuilder sb = new StringBuilder();
+ Thread currentThread = Thread.currentThread();
+ sb.append("Is tick thread? ");
+ sb.append(currentThread instanceof TickThread);
+ sb.append("; Is server level tick thread? ");
+ sb.append(currentThread instanceof ServerLevelTickThread);
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ sb.append("; Currently ticking level: ");
+ if (serverLevelTickThread.currentlyTickingServerLevel != null) {
+ sb.append(serverLevelTickThread.currentlyTickingServerLevel.getWorld().getName());
+ } else {
+ sb.append("null");
+ }
+ }
+ sb.append("; Is iterating over levels? ");
+ sb.append(minecraftServer.isIteratingOverLevels);
+ sb.append("; Are we going to hard throw? ");
+ sb.append(HARD_THROW);
+ return sb.toString();
+ }
+
+ public static boolean isServerLevelTickThread() {
+ return Thread.currentThread() instanceof ServerLevelTickThread;
+ }
+
public final int id; /* We don't override getId as the spec requires that it be unique (with respect to all other threads) */
private static final AtomicInteger ID_GENERATOR = new AtomicInteger();
@@ -127,7 +198,11 @@ public class TickThread extends Thread {
}
public static boolean isTickThreadFor(final Level world, final BlockPos pos) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final BlockPos pos, final int blockRadius) {
@@ -135,38 +210,103 @@ public class TickThread extends Thread {
}
public static boolean isTickThreadFor(final Level world, final ChunkPos pos) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final Vec3 pos) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final int chunkX, final int chunkZ) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final AABB aabb) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final double blockX, final double blockZ) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final Vec3 position, final Vec3 deltaMovement, final int buffer) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final int fromChunkX, final int fromChunkZ, final int toChunkX, final int toChunkZ) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Level world, final int chunkX, final int chunkZ, final int radius) {
- return isTickThread();
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
+ }
+
+ // SparklyPaper - parallel world ticking
+ // This is an additional method to check if the tick thread is bound to a specific world because, by default, Paper's isTickThread methods do not provide this information
+ // Because we only tick worlds in parallel (instead of regions), we can use this for our checks
+ public static boolean isTickThreadFor(final Level world) {
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == world;
+ } else return currentThread instanceof TickThread;
}
public static boolean isTickThreadFor(final Entity entity) {
- return isTickThread();
+ if (entity == null) {
+ return true;
+ }
+
+ Thread currentThread = Thread.currentThread();
+
+ if (currentThread instanceof ServerLevelTickThread serverLevelTickThread) {
+ return serverLevelTickThread.currentlyTickingServerLevel == entity.level();
+ } else return currentThread instanceof TickThread;
+ }
+
+ // SparklyPaper start - parallel world ticking
+ public static class ServerLevelTickThread extends TickThread {
+ public ServerLevelTickThread(String name) {
+ super(name);
+ }
+
+ public ServerLevelTickThread(Runnable run, String name) {
+ super(run, name);
+ }
+
+ public net.minecraft.server.level.ServerLevel currentlyTickingServerLevel;
}
+ // SparklyPaper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 48f6f41d59983e52b9db41a7555423d6e9a416d4..c85d682b85830f1c70d0bba192f8a0275c5dba49 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -472,6 +472,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
private boolean unloadChunk0(int x, int z, boolean save) {
org.spigotmc.AsyncCatcher.catchOp("chunk unload"); // Spigot
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.world, x, z, "Cannot unload chunk asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
if (!this.isChunkLoaded(x, z)) {
return true;
}
@@ -488,6 +489,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean refreshChunk(int x, int z) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.world, x, z, "Cannot refresh chunk asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
ChunkHolder playerChunk = this.world.getChunkSource().chunkMap.getVisibleChunkIfPresent(ChunkPos.asLong(x, z));
if (playerChunk == null) return false;
@@ -538,6 +540,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean loadChunk(int x, int z, boolean generate) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.getHandle(), x, z, "May not sync load chunks asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
warnUnsafeChunk("loading a faraway chunk", x, z); // Paper
ChunkAccess chunk = this.world.getChunkSource().getChunk(x, z, generate || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true); // Paper
@@ -751,6 +754,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean generateTree(Location loc, TreeType type, BlockChangeDelegate delegate) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.world, loc.getX(), loc.getZ(), "Cannot generate tree asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.world.captureTreeGeneration = true;
this.world.captureBlockStates = true;
boolean grownTree = this.generateTree(loc, type);
@@ -852,6 +856,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
private boolean createExplosion(double x, double y, double z, float power, boolean setFire, boolean breakBlocks, Entity source, Consumer<net.minecraft.world.level.ServerExplosion> configurator) {
// Paper end - expand explosion API
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.world, x, z, "Cannot create explosion asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
net.minecraft.world.level.Level.ExplosionInteraction explosionType;
if (!breakBlocks) {
explosionType = net.minecraft.world.level.Level.ExplosionInteraction.NONE; // Don't break blocks
@@ -908,6 +913,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public int getHighestBlockYAt(int x, int z, org.bukkit.HeightMap heightMap) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.world, x >> 4, z >> 4, "Cannot retrieve chunk asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
warnUnsafeChunk("getting a faraway chunk", x >> 4, z >> 4); // Paper
// Transient load for this tick
return this.world.getChunk(x >> 4, z >> 4).getHeight(CraftHeightMap.toNMS(heightMap), x, z);
@@ -915,6 +921,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setBiome(int x, int z, Biome bio) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.world, pos, "Cannot retrieve chunk asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
for (int y = this.getMinHeight(); y < this.getMaxHeight(); y++) {
this.setBiome(x, y, z, bio);
}
@@ -1902,6 +1909,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void sendGameEvent(Entity sourceEntity, org.bukkit.GameEvent gameEvent, Vector position) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(this.world, position.getX(), position.getZ(), "Cannot send game event asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
getHandle().gameEvent(sourceEntity != null ? ((CraftEntity) sourceEntity).getHandle(): null, net.minecraft.core.registries.BuiltInRegistries.GAME_EVENT.get(org.bukkit.craftbukkit.util.CraftNamespacedKey.toMinecraft(gameEvent.getKey())).orElseThrow(), org.bukkit.craftbukkit.util.CraftVector.toBlockPos(position));
}
// Paper end
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
index 6809f9dcf8510c714145d99d250eb69f98d9bf27..ee04049faf283ac929b6b0806eaed430a7c57db8 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
@@ -75,6 +75,11 @@ public class CraftBlock implements Block {
}
public net.minecraft.world.level.block.state.BlockState getNMS() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
return this.world.getBlockState(this.position);
}
@@ -155,6 +160,11 @@ public class CraftBlock implements Block {
}
private void setData(final byte data, int flags) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
this.world.setBlock(this.position, CraftMagicNumbers.getBlock(this.getType(), data), flags);
}
@@ -196,6 +206,11 @@ public class CraftBlock implements Block {
}
public static boolean setBlockState(LevelAccessor world, BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState, boolean applyPhysics) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, pos, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
// SPIGOT-611: need to do this to prevent glitchiness. Easier to handle this here (like /setblock) than to fix weirdness in block entity cleanup
if (oldState.hasBlockEntity() && newState.getBlock() != oldState.getBlock()) { // SPIGOT-3725 remove old block entity if block changes
// SPIGOT-4612: faster - just clear tile
@@ -344,18 +359,33 @@ public class CraftBlock implements Block {
@Override
public Biome getBiome() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
return this.getWorld().getBiome(this.getX(), this.getY(), this.getZ());
}
// Paper start
@Override
public Biome getComputedBiome() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
return this.getWorld().getComputedBiome(this.getX(), this.getY(), this.getZ());
}
// Paper end
@Override
public void setBiome(Biome bio) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
this.getWorld().setBiome(this.getX(), this.getY(), this.getZ(), bio);
}
@@ -376,6 +406,11 @@ public class CraftBlock implements Block {
@Override
public boolean isBlockIndirectlyPowered() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
return this.world.getMinecraftWorld().hasNeighborSignal(this.position);
}
@@ -415,6 +450,11 @@ public class CraftBlock implements Block {
@Override
public int getBlockPower(BlockFace face) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
int power = 0;
net.minecraft.world.level.Level world = this.world.getMinecraftWorld();
int x = this.getX();
@@ -504,6 +544,11 @@ public class CraftBlock implements Block {
@Override
public boolean breakNaturally(ItemStack item, boolean triggerEffect, boolean dropExperience, boolean forceEffect) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
// Paper end
// Order matters here, need to drop before setting to air so skulls can get their data
net.minecraft.world.level.block.state.BlockState state = this.getNMS();
@@ -548,6 +593,11 @@ public class CraftBlock implements Block {
@Override
public boolean applyBoneMeal(BlockFace face) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
Direction direction = CraftBlock.blockFaceToNotch(face);
BlockFertilizeEvent event = null;
ServerLevel world = this.getCraftWorld().getHandle();
@@ -559,8 +609,8 @@ public class CraftBlock implements Block {
world.captureTreeGeneration = false;
if (!world.capturedBlockStates.isEmpty()) {
- TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
+ TreeType treeType = SaplingBlock.treeTypeRT.get(); // SparklyPaper - parallel world ticking
+ SaplingBlock.treeTypeRT.set(null);// SparklyPaper - parallel world ticking
List<BlockState> states = new ArrayList<>(world.capturedBlockStates.values());
world.capturedBlockStates.clear();
StructureGrowEvent structureEvent = null;
@@ -599,6 +649,11 @@ public class CraftBlock implements Block {
@Override
public Collection<ItemStack> getDrops(ItemStack item, Entity entity) {
net.minecraft.world.level.block.state.BlockState state = this.getNMS();
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
net.minecraft.world.item.ItemStack nms = CraftItemStack.asNMSCopy(item);
// Modelled off Player#hasCorrectToolForDrops
@@ -650,6 +705,11 @@ public class CraftBlock implements Block {
@Override
public RayTraceResult rayTrace(Location start, Vector direction, double maxDistance, FluidCollisionMode fluidCollisionMode) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
Preconditions.checkArgument(start != null, "Location start cannot be null");
Preconditions.checkArgument(this.getWorld().equals(start.getWorld()), "Location start cannot be a different world");
start.checkFinite();
@@ -691,6 +751,11 @@ public class CraftBlock implements Block {
@Override
public boolean canPlace(BlockData data) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
Preconditions.checkArgument(data != null, "BlockData cannot be null");
net.minecraft.world.level.block.state.BlockState iblockdata = ((CraftBlockData) data).getState();
net.minecraft.world.level.Level world = this.world.getMinecraftWorld();
@@ -730,6 +795,11 @@ public class CraftBlock implements Block {
@Override
public void tick() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
final ServerLevel level = this.world.getMinecraftWorld();
this.getNMS().tick(level, this.position, level.random);
}
@@ -737,6 +807,11 @@ public class CraftBlock implements Block {
@Override
public void fluidTick() {
+ // SparklyPaper start - parallel world ticking
+ if (this.world instanceof ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
this.getNMSFluid().tick(this.world.getMinecraftWorld(), this.position, this.getNMS());
}
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
index 5d4faad9df4824cfd61abfd4df011c006f114424..d1227c670db2dbe1816d78be51796c43e99a4d9b 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
@@ -32,7 +32,7 @@ public abstract class CraftBlockEntityState<T extends BlockEntity> extends Craft
private final T blockEntity;
private final T snapshot;
public boolean snapshotDisabled; // Paper
- public static boolean DISABLE_SNAPSHOT = false; // Paper
+ public static ThreadLocal<Boolean> DISABLE_SNAPSHOT = ThreadLocal.withInitial(() -> Boolean.FALSE); // SparklyPaper - parallel world ticking
public CraftBlockEntityState(World world, T blockEntity) {
super(world, blockEntity.getBlockPos(), blockEntity.getBlockState());
@@ -41,8 +41,8 @@ public abstract class CraftBlockEntityState<T extends BlockEntity> extends Craft
try { // Paper - Show blockstate location if we failed to read it
// Paper start
- this.snapshotDisabled = DISABLE_SNAPSHOT;
- if (DISABLE_SNAPSHOT) {
+ this.snapshotDisabled = DISABLE_SNAPSHOT.get(); // SparklyPaper - parallel world ticking
+ if (DISABLE_SNAPSHOT.get()) { // SparklyPaper - parallel world ticking
this.snapshot = this.blockEntity;
} else {
this.snapshot = this.createSnapshot(blockEntity);
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
index 196835bdf95ba0e149b2977e9ef41698971f501f..641adf9666fef4d15bc9b585aabfe687a83fbe86 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
@@ -218,6 +218,12 @@ public class CraftBlockState implements BlockState {
LevelAccessor access = this.getWorldHandle();
CraftBlock block = this.getBlock();
+ // SparklyPaper start - parallel world ticking
+ if (access instanceof net.minecraft.server.level.ServerLevel serverWorld) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
+
if (block.getType() != this.getType()) {
if (!force) {
return false;
@@ -365,6 +371,7 @@ public class CraftBlockState implements BlockState {
@Override
public java.util.Collection<org.bukkit.inventory.ItemStack> getDrops(org.bukkit.inventory.ItemStack item, org.bukkit.entity.Entity entity) {
+ ca.spottedleaf.moonrise.common.util.TickThread.ensureTickThread(world.getHandle(), position, "Cannot modify world asynchronously"); // SparklyPaper - parallel world ticking
this.requirePlaced();
net.minecraft.world.item.ItemStack nms = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(item);
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
index bcd73c788768f9a278181926fb56df510d271a76..ab2cec18178d917bb9253facd0312917b4519c59 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
@@ -196,14 +196,14 @@ public final class CraftBlockStates {
BlockPos pos = craftBlock.getPosition();
net.minecraft.world.level.block.state.BlockState state = craftBlock.getNMS();
BlockEntity blockEntity = craftBlock.getHandle().getBlockEntity(pos);
- boolean prev = CraftBlockEntityState.DISABLE_SNAPSHOT;
- CraftBlockEntityState.DISABLE_SNAPSHOT = !useSnapshot;
+ boolean prev = CraftBlockEntityState.DISABLE_SNAPSHOT.get(); // SparklyPaper - parallel world ticking
+ CraftBlockEntityState.DISABLE_SNAPSHOT.set(!useSnapshot); // SparklyPaper - parallel world ticking
try {
CraftBlockState blockState = CraftBlockStates.getBlockState(world, pos, state, blockEntity);
blockState.setWorldHandle(craftBlock.getHandle()); // Inject the block's generator access
return blockState;
} finally {
- CraftBlockEntityState.DISABLE_SNAPSHOT = prev;
+ CraftBlockEntityState.DISABLE_SNAPSHOT.set(prev); // SparklyPaper - parallel world ticking
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 9ccaf437ce8a779074f5abaf69fa6dc653d0064e..e25d72905347abfb6efce7f0a656970ccb30c3ad 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -810,7 +810,7 @@ public class CraftEventFactory {
return false;
}
- public static BlockPos sourceBlockOverride = null; // SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPos up to five methods deep.
+ public static final ThreadLocal<BlockPos> sourceBlockOverrideRT = new ThreadLocal<>(); // SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep. // SparklyPaper - parallel world ticking (this is from Folia, fixes concurrency bugs with sculk catalysts)
public static boolean handleBlockSpreadEvent(LevelAccessor world, BlockPos source, BlockPos target, net.minecraft.world.level.block.state.BlockState state, int flags) {
return handleBlockSpreadEvent(world, source, target, state, flags, false);
@@ -826,7 +826,7 @@ public class CraftEventFactory {
CraftBlockState snapshot = CraftBlockStates.getBlockState(world, target);
snapshot.setData(state);
- BlockSpreadEvent event = new BlockSpreadEvent(snapshot.getBlock(), CraftBlock.at(world, CraftEventFactory.sourceBlockOverride != null ? CraftEventFactory.sourceBlockOverride : source), snapshot);
+ BlockSpreadEvent event = new BlockSpreadEvent(snapshot.getBlock(), CraftBlock.at(world, CraftEventFactory.sourceBlockOverrideRT.get() != null ? CraftEventFactory.sourceBlockOverrideRT.get() : source), snapshot);
if (event.callEvent()) {
boolean result = snapshot.place(flags);
return !checkSetResult || result;