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dd77d31f76ae35b92b714de1ef903ebf4e9f26a5
SparklyPaperMC/patches/server/0014-Parallel-world-ticking.patch
MrPowerGamerBR dd77d31f76 Lazily create LootContext for criterions 
For each player on each tick, enter block triggers are invoked, and these create loot contexts that are promptly thrown away since the trigger doesn't pass the predicate

To avoid this, we now lazily create the LootContext if the criterion passes the predicate AND if any of the listener triggers require a loot context instance
2023-11-21 12:20:27 -03:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrPowerGamerBR <git@mrpowergamerbr.com>
Date: Tue, 7 Nov 2023 01:34:14 -0300
Subject: [PATCH] Parallel world ticking
"mom can we have folia?" "we already have folia at home" folia at home:
diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
index abd0217cf0bff183c8e262edc173a53403797c1a..1ef797d2c743077c40c7e1796d4afe324e162970 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
@@ -1023,7 +1023,7 @@ public final class ChunkHolderManager {
if (changedFullStatus.isEmpty()) {
return;
}
- if (!TickThread.isTickThread()) {
+ if (!TickThread.isTickThreadFor(world)) { // SparklyPaper - parallel world ticking
this.taskScheduler.scheduleChunkTask(() -> {
final ArrayDeque<NewChunkHolder> pendingFullLoadUpdate = ChunkHolderManager.this.pendingFullLoadUpdate;
for (int i = 0, len = changedFullStatus.size(); i < len; ++i) {
@@ -1052,7 +1052,7 @@ 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");
@@ -1327,14 +1327,14 @@ public final class ChunkHolderManager {
}
private boolean processTicketUpdates(final boolean checkLocks, final boolean processFullUpdates, List<ChunkProgressionTask> scheduledTasks) {
- TickThread.ensureTickThread("Cannot process ticket levels off-main");
+ TickThread.ensureTickThread(world, "Cannot process ticket levels off-main"); // SparklyPaper - parallel world ticking
if (BLOCK_TICKET_UPDATES.get() == Boolean.TRUE) {
throw new IllegalStateException("Cannot update ticket level while unloading chunks or updating entity manager");
}
List<NewChunkHolder> changedFullStatus = null;
- final boolean isTickThread = TickThread.isTickThread();
+ final boolean isTickThread = TickThread.isTickThreadFor(world);
boolean ret = false;
final boolean canProcessFullUpdates = processFullUpdates & isTickThread;
diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java
index f975cb93716e137d973ff2f9011acdbef58859a2..cc510eea4b872e1238f97846db638b2a7028a66d 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java
@@ -327,7 +327,7 @@ public final class ChunkTaskScheduler {
public void scheduleTickingState(final int chunkX, final int chunkZ, final FullChunkStatus toStatus,
final boolean addTicket, final PrioritisedExecutor.Priority priority,
final Consumer<LevelChunk> onComplete) {
- if (!TickThread.isTickThread()) {
+ if (!TickThread.isTickThreadFor(world, chunkX, chunkZ)) { // SparklyPaper - parallel world ticking (other threads may call this method, such as the container stillValid check, which may trigger a chunk load in a different thread)
this.scheduleChunkTask(chunkX, chunkZ, () -> {
ChunkTaskScheduler.this.scheduleTickingState(chunkX, chunkZ, toStatus, addTicket, priority, onComplete);
}, priority);
@@ -483,7 +483,7 @@ public final class ChunkTaskScheduler {
public void scheduleChunkLoad(final int chunkX, final int chunkZ, final ChunkStatus toStatus, final boolean addTicket,
final PrioritisedExecutor.Priority priority, final Consumer<ChunkAccess> onComplete) {
- if (!TickThread.isTickThread()) {
+ if (!TickThread.isTickThreadFor(world, chunkX, chunkZ)) { // SparklyPaper - parallel world ticking
this.scheduleChunkTask(chunkX, chunkZ, () -> {
ChunkTaskScheduler.this.scheduleChunkLoad(chunkX, chunkZ, toStatus, addTicket, priority, onComplete);
}, priority);
diff --git a/src/main/java/io/papermc/paper/util/TickThread.java b/src/main/java/io/papermc/paper/util/TickThread.java
index f9063e2282f89e97a378f06822cde0a64ab03f9a..98abe711f63c0a112ef969bd74bda81f2a72ed82 100644
--- a/src/main/java/io/papermc/paper/util/TickThread.java
+++ b/src/main/java/io/papermc/paper/util/TickThread.java
@@ -17,6 +17,7 @@ import java.util.concurrent.atomic.AtomicInteger;
public class TickThread extends Thread {
public static final boolean STRICT_THREAD_CHECKS = Boolean.getBoolean("paper.strict-thread-checks");
+ 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
static {
if (STRICT_THREAD_CHECKS) {
@@ -41,50 +42,93 @@ public class TickThread extends Thread {
@Deprecated
public static void ensureTickThread(final String reason) {
if (!isTickThread()) {
- MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
- throw new IllegalStateException(reason);
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " - " + getTickThreadInformation(), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
}
}
public static void ensureTickThread(final ServerLevel world, final BlockPos pos, final String reason) {
if (!isTickThreadFor(world, pos)) {
- MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
- throw new IllegalStateException(reason);
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ world " + world.getWorld().getName() + " blockPos: " + pos + " - " + getTickThreadInformation(), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
}
}
public static void ensureTickThread(final ServerLevel world, final ChunkPos pos, final String reason) {
if (!isTickThreadFor(world, pos)) {
- MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
- throw new IllegalStateException(reason);
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ world " + world.getWorld().getName() + " chunkPos: " + pos + " - " + getTickThreadInformation(), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
}
}
public static void ensureTickThread(final ServerLevel world, final int chunkX, final int chunkZ, final String reason) {
if (!isTickThreadFor(world, chunkX, chunkZ)) {
- MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
- throw new IllegalStateException(reason);
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ world " + world.getWorld().getName() + " chunkX: " + chunkX + " chunkZ: " + chunkZ + " - " + getTickThreadInformation(), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
}
}
public static void ensureTickThread(final Entity entity, final String reason) {
if (!isTickThreadFor(entity)) {
- MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
- throw new IllegalStateException(reason);
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ entity " + entity.getStringUUID() + " - " + getTickThreadInformation(), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
}
}
public static void ensureTickThread(final ServerLevel world, final AABB aabb, final String reason) {
if (!isTickThreadFor(world, aabb)) {
- MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
- throw new IllegalStateException(reason);
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ world " + world.getWorld().getName() + " aabb: " + aabb + " - " + getTickThreadInformation(), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
}
}
public static void ensureTickThread(final ServerLevel world, final double blockX, final double blockZ, final String reason) {
if (!isTickThreadFor(world, blockX, blockZ)) {
- MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
- throw new IllegalStateException(reason);
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ world " + world.getWorld().getName() + " blockX: " + blockX + " blockZ: " + blockZ + " - " + getTickThreadInformation(), 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 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 ServerLevel world, final String reason) {
+ if (!isTickThreadFor(world)) {
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason + " @ world " + world.getWorld().getName() + " - " + getTickThreadInformation(), 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) {
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread ONLY tick thread check: " + reason + " - " + getTickThreadInformation(), 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 ServerLevel world, final String reason) {
+ boolean isValidTickThread = isTickThreadFor(world);
+ boolean isAsyncThread = !isTickThread();
+ boolean isValid = isAsyncThread || isValidTickThread;
+ if (!isValid) {
+ MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread or async thread check: " + reason + " @ world " + world.getWorld().getName() + " - " + getTickThreadInformation(), new Throwable());
+ if (HARD_THROW)
+ throw new IllegalStateException(reason);
}
}
@@ -109,6 +153,32 @@ public class TickThread extends Thread {
return (TickThread)Thread.currentThread();
}
+ public static String getTickThreadInformation() {
+ 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.getServer().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 static boolean isTickThread() {
return Thread.currentThread() instanceof TickThread;
}
@@ -118,42 +188,111 @@ public class TickThread extends Thread {
}
public static boolean isTickThreadFor(final ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel 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 ServerLevel currentlyTickingServerLevel;
}
+ // SparklyPaper end
}
diff --git a/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java
index 155bd3d6d9c7d3cac7fd04de8210301251d1e17a..f51d90f54ae693e7e9c8aa0ea14af9fdd26351f9 100644
--- a/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java
@@ -32,7 +32,7 @@ public abstract class AbstractProjectileDispenseBehavior extends DefaultDispense
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector((double) enumdirection.getStepX(), (double) ((float) enumdirection.getStepY() + 0.1F), (double) enumdirection.getStepZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java
index 80dbeb0a988c749feaaba26ce5ad93c181d88a5d..4e08ae0af6e357347486d5c994f7dd413236c2b1 100644
--- a/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java
@@ -62,7 +62,7 @@ public class BoatDispenseItemBehavior extends DefaultDispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(d1, d2 + d4, d3));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
index 379890ae05b2fb4bd81b2fa907413d3736ba1169..e9a21ce76cca0f6e615a447451048df9cf6b637e 100644
--- a/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
@@ -74,7 +74,7 @@ public class DefaultDispenseItemBehavior implements DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), CraftVector.toBukkit(entityitem.getDeltaMovement()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
world.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
index a0c7c6208314d981e8577ad69ef1c5193290a085..5be8039092cd6a2a787fdfaf9d516a18a60f3d53 100644
--- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
@@ -222,7 +222,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -277,7 +277,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -333,7 +333,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) list.get(0).getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
world.getCraftServer().getPluginManager().callEvent(event);
}
@@ -389,7 +389,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) entityhorseabstract.getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
world.getCraftServer().getPluginManager().callEvent(event);
}
@@ -463,7 +463,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) entityhorsechestedabstract.getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
world.getCraftServer().getPluginManager().callEvent(event);
}
@@ -502,7 +502,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(enumdirection.getStepX(), enumdirection.getStepY(), enumdirection.getStepZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -560,7 +560,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(d3, d4, d5));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -633,7 +633,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(x, y, z));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -707,7 +707,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -754,7 +754,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack);
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -815,7 +815,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -844,8 +844,8 @@ public interface DispenseItemBehavior {
// CraftBukkit start
worldserver.captureTreeGeneration = false;
if (worldserver.capturedBlockStates.size() > 0) {
- TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
+ TreeType treeType = SaplingBlock.treeTypeRT.get(); // SparklyPaper - parallel world ticking
+ SaplingBlock.treeTypeRT.set(null); // SparklyPaper - parallel world ticking
Location location = CraftLocation.toBukkit(blockposition, worldserver.getWorld());
List<org.bukkit.block.BlockState> blocks = new java.util.ArrayList<>(worldserver.capturedBlockStates.values());
worldserver.capturedBlockStates.clear();
@@ -884,7 +884,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector((double) blockposition.getX() + 0.5D, (double) blockposition.getY(), (double) blockposition.getZ() + 0.5D));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -941,7 +941,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -990,7 +990,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -1063,7 +1063,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - only single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
index e17090003988ad2c890d48666c2234b14d511345..6b82ce7423fe08238bd9b44b442ca9b05a3101d8 100644
--- a/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
@@ -40,7 +40,7 @@ public class ShearsDispenseItemBehavior extends OptionalDispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack);
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
index 6f2adf2334e35e8a617a4ced0c1af2abf32bbd8d..a5ea9df0a021ed820c0c1ccb612caebd582878e2 100644
--- a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
@@ -37,7 +37,7 @@ public class ShulkerBoxDispenseBehavior extends OptionalDispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
pointer.level().getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index a308b52c26c2bb1bfee9f50e03480676b53e602f..e48cb1a99f6876393eaaa98eeca41c0a5eb6b52c 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -160,6 +160,7 @@ import net.minecraft.world.level.storage.PrimaryLevelData;
import net.minecraft.world.level.storage.ServerLevelData;
import net.minecraft.world.level.storage.WorldData;
import net.minecraft.world.level.storage.loot.LootDataManager;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.slf4j.Logger;
// CraftBukkit start
@@ -308,6 +309,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// Paper start - lag compensation
public static final long SERVER_INIT = System.nanoTime();
// Paper end - lag compensation
+ // SparklyPaper - parallel world ticking
+ public java.util.concurrent.Semaphore serverLevelTickingSemaphore = null;
+ // SparklyPaper end
public static <S extends MinecraftServer> S spin(Function<Thread, S> serverFactory) {
AtomicReference<S> atomicreference = new AtomicReference();
@@ -1523,63 +1527,124 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.isIteratingOverLevels = true; // Paper
Iterator iterator = this.getAllLevels().iterator(); // Paper - move down
- while (iterator.hasNext()) {
- ServerLevel worldserver = (ServerLevel) iterator.next();
- worldserver.updateLagCompensationTick(); // Paper - lag compensation
- worldserver.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
- net.minecraft.world.level.block.entity.HopperBlockEntity.skipHopperEvents = worldserver.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper
- worldserver.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+ // SparklyPaper start - parallel world ticking
+ java.util.ArrayDeque<java.util.concurrent.Future<ServerLevel>> tasks = new java.util.ArrayDeque<>();
+ // while (iterator.hasNext()) { // SparklyPaper - commented out to cause diff when upstream changes this code
+ // ServerLevel worldserver = (ServerLevel) iterator.next();
+ // worldserver.updateLagCompensationTick(); // Paper - lag compensation
+ // worldserver.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+ // net.minecraft.world.level.block.entity.HopperBlockEntity.skipHopperEvents = worldserver.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper
+ // worldserver.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+ //
+ // this.profiler.push(() -> {
+ // return worldserver + " " + worldserver.dimension().location();
+ // });
+ // /* Drop global time updates
+ // if (this.tickCount % 20 == 0) {
+ // this.profiler.push("timeSync");
+ // this.synchronizeTime(worldserver);
+ // this.profiler.pop();
+ // }
+ // // CraftBukkit end */
+ //
+ // this.profiler.push("tick");
+ //
+ // try {
+ // worldserver.timings.doTick.startTiming(); // Spigot
+ // long i = Util.getNanos(); // SparklyPaper - track world's MSPT
+ // worldserver.tick(shouldKeepTicking);
+ // // SparklyPaper start - track world's MSPT
+ // long j = this.tickTimes[this.tickCount % 100] = Util.getNanos() - i;
+ //
+ // // These are from the "tickServer" function
+ // worldserver.tickTimes5s.add(this.tickCount, j);
+ // worldserver.tickTimes10s.add(this.tickCount, j);
+ // worldserver.tickTimes60s.add(this.tickCount, j);
+ // // SparklyPaper end
+ // // Paper start
+ // for (final io.papermc.paper.chunk.SingleThreadChunkRegionManager regionManager : worldserver.getChunkSource().chunkMap.regionManagers) {
+ // regionManager.recalculateRegions();
+ // }
+ // // Paper end
+ // worldserver.timings.doTick.stopTiming(); // Spigot
+ // } catch (Throwable throwable) {
+ // // Spigot Start
+ // CrashReport crashreport;
+ // try {
+ // crashreport = CrashReport.forThrowable(throwable, "Exception ticking world");
+ // } catch (Throwable t) {
+ // if (throwable instanceof ThreadDeath) { throw (ThreadDeath)throwable; } // Paper
+ // throw new RuntimeException("Error generating crash report", t);
+ // }
+ // // Spigot End
+ //
+ // worldserver.fillReportDetails(crashreport);
+ // throw new ReportedException(crashreport);
+ // }
+ //
+ // this.profiler.pop();
+ // this.profiler.pop();
+ // worldserver.explosionDensityCache.clear(); // Paper - Optimize explosions
+ // }
+ try {
+ while (iterator.hasNext()) {
+ ServerLevel worldserver = (ServerLevel) iterator.next();
+ worldserver.updateLagCompensationTick(); // Paper - lag compensation
+ worldserver.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+ net.minecraft.world.level.block.entity.HopperBlockEntity.skipHopperEvents = worldserver.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper
+ worldserver.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+
+ serverLevelTickingSemaphore.acquire();
+ tasks.add(
+ worldserver.tickExecutor.submit(() -> {
+ try {
+ io.papermc.paper.util.TickThread.ServerLevelTickThread currentThread = (io.papermc.paper.util.TickThread.ServerLevelTickThread) Thread.currentThread();
+ currentThread.currentlyTickingServerLevel = worldserver;
+
+ long i = Util.getNanos(); // SparklyPaper - track world's MSPT
+ worldserver.tick(shouldKeepTicking);
+ for (final io.papermc.paper.chunk.SingleThreadChunkRegionManager regionManager : worldserver.getChunkSource().chunkMap.regionManagers) {
+ regionManager.recalculateRegions();
+ }
+ worldserver.explosionDensityCache.clear(); // Paper - Optimize explosions
- this.profiler.push(() -> {
- return worldserver + " " + worldserver.dimension().location();
- });
- /* Drop global time updates
- if (this.tickCount % 20 == 0) {
- this.profiler.push("timeSync");
- this.synchronizeTime(worldserver);
- this.profiler.pop();
- }
- // CraftBukkit end */
+ // SparklyPaper start - track world's MSPT
+ long j = Util.getNanos() - i;
- this.profiler.push("tick");
+ // These are from the "tickServer" function
+ worldserver.tickTimes5s.add(this.tickCount, j);
+ worldserver.tickTimes10s.add(this.tickCount, j);
+ worldserver.tickTimes60s.add(this.tickCount, j);
+ // SparklyPaper end
- try {
- worldserver.timings.doTick.startTiming(); // Spigot
- long i = Util.getNanos(); // SparklyPaper - track world's MSPT
- worldserver.tick(shouldKeepTicking);
- // SparklyPaper start - track world's MSPT
- long j = Util.getNanos() - i;
-
- // These are from the "tickServer" function
- worldserver.tickTimes5s.add(this.tickCount, j);
- worldserver.tickTimes10s.add(this.tickCount, j);
- worldserver.tickTimes60s.add(this.tickCount, j);
- // SparklyPaper end
- // Paper start
- for (final io.papermc.paper.chunk.SingleThreadChunkRegionManager regionManager : worldserver.getChunkSource().chunkMap.regionManagers) {
- regionManager.recalculateRegions();
- }
- // Paper end
- worldserver.timings.doTick.stopTiming(); // Spigot
- } catch (Throwable throwable) {
- // Spigot Start
- CrashReport crashreport;
- try {
- crashreport = CrashReport.forThrowable(throwable, "Exception ticking world");
- } catch (Throwable t) {
- if (throwable instanceof ThreadDeath) { throw (ThreadDeath)throwable; } // Paper
- throw new RuntimeException("Error generating crash report", t);
- }
- // Spigot End
+ currentThread.currentlyTickingServerLevel = null; // Reset current ticking level
+ } catch (Throwable throwable) {
+ // Spigot Start
+ CrashReport crashreport;
+ try {
+ crashreport = CrashReport.forThrowable(throwable, "Exception ticking world");
+ } catch (Throwable t) {
+ if (throwable instanceof ThreadDeath) { throw (ThreadDeath)throwable; } // Paper
+ throw new RuntimeException("Error generating crash report", t);
+ }
+ // Spigot End
- worldserver.fillReportDetails(crashreport);
- throw new ReportedException(crashreport);
+ worldserver.fillReportDetails(crashreport);
+ throw new ReportedException(crashreport);
+ } finally {
+ serverLevelTickingSemaphore.release();
+ }
+ }, worldserver)
+ );
}
- this.profiler.pop();
- this.profiler.pop();
- worldserver.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
this.profiler.popPush("connection");
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 9a6915a87ae8aa4ffefea575d7a7d5199c800799..774d62b7166452157d237b703fbaf32c66829974 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -17,6 +17,7 @@ import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Optional;
+import java.util.concurrent.TimeUnit;
import java.util.function.BooleanSupplier;
import javax.annotation.Nullable;
import net.minecraft.DefaultUncaughtExceptionHandler;
@@ -50,6 +51,7 @@ import net.minecraft.world.level.GameRules;
import net.minecraft.world.level.GameType;
import net.minecraft.world.level.block.entity.SkullBlockEntity;
import net.minecraft.world.level.storage.LevelStorageSource;
+import net.sparklypower.sparklypaper.configs.SparklyPaperConfigUtils;
import org.slf4j.Logger;
// CraftBukkit start
@@ -226,6 +228,8 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
return false;
}
net.sparklypower.sparklypaper.SparklyPaperCommands.INSTANCE.registerCommands(this);
+ serverLevelTickingSemaphore = new java.util.concurrent.Semaphore(net.sparklypower.sparklypaper.configs.SparklyPaperConfigUtils.INSTANCE.getConfig().getParallelWorldTicking().getThreads()); // SparklyPaper - parallel world ticking
+ DedicatedServer.LOGGER.info("Using " + serverLevelTickingSemaphore.availablePermits() + " permits for parallel world ticking"); // SparklyPaper - parallel world ticking
// SparklyPaper end
com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // load version history now
io.papermc.paper.brigadier.PaperBrigadierProviderImpl.INSTANCE.getClass(); // init PaperBrigadierProvider
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 8c33a12ca879c46893150d6adfb8aa4d397c6b4c..7088c8e8a7eba566fa91f5fa2995cd724705b8c4 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -238,7 +238,7 @@ public class ServerChunkCache extends ChunkSource {
public LevelChunk getChunkAtIfLoadedImmediately(int x, int z) {
long k = ChunkPos.asLong(x, z);
- if (io.papermc.paper.util.TickThread.isTickThread()) { // Paper - rewrite chunk system
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(level, x, z)) { // Paper - rewrite chunk system // SparklyPaper - parallel world ticking
return this.getChunkAtIfLoadedMainThread(x, z);
}
@@ -265,7 +265,16 @@ public class ServerChunkCache extends ChunkSource {
@Override
public ChunkAccess getChunk(int x, int z, ChunkStatus leastStatus, boolean create) {
final int x1 = x; final int z1 = z; // Paper - conflict on variable change
- if (!io.papermc.paper.util.TickThread.isTickThread()) { // Paper - rewrite chunk system
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(level, x, z)) { // Paper - rewrite chunk system // SparklyPaper - parallel world ticking
+ // SparklyPaper start - parallel world ticking
+ if (io.papermc.paper.util.TickThread.isServerLevelTickThread()) {
+ // Welp, we are going to crash, bye
+ net.minecraft.server.MinecraftServer.LOGGER.error("THE SERVER IS GOING TO CRASH! - Thread " + Thread.currentThread().getName() + " failed main thread check: Cannot query another world's (" + level.getWorld().getName() + ") chunk (" + x + ", " + z + ") in a ServerLevelTickThread - " + io.papermc.paper.util.TickThread.getTickThreadInformation(), new Throwable());
+ if (io.papermc.paper.util.TickThread.HARD_THROW)
+ throw new IllegalStateException("Cannot query another world's (" + level.getWorld().getName() + ") chunk (" + x + ", " + z + ") in a ServerLevelTickThread");
+ }
+ // SparklyPaper end
+
return (ChunkAccess) CompletableFuture.supplyAsync(() -> {
return this.getChunk(x, z, leastStatus, create);
}, this.mainThreadProcessor).join();
@@ -317,7 +326,7 @@ public class ServerChunkCache extends ChunkSource {
@Nullable
@Override
public LevelChunk getChunkNow(int chunkX, int chunkZ) {
- if (!io.papermc.paper.util.TickThread.isTickThread()) { // Paper - rewrite chunk system
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(level, chunkX, chunkZ)) { // Paper - rewrite chunk system // SparklyPaper - parallel world ticking
return null;
} else {
return this.getChunkAtIfLoadedMainThread(chunkX, chunkZ); // Paper - optimise for loaded chunks
@@ -331,7 +340,7 @@ public class ServerChunkCache extends ChunkSource {
}
public CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> getChunkFuture(int chunkX, int chunkZ, ChunkStatus leastStatus, boolean create) {
- boolean flag1 = io.papermc.paper.util.TickThread.isTickThread(); // Paper - rewrite chunk system
+ boolean flag1 = io.papermc.paper.util.TickThread.isTickThreadFor(level, chunkX, chunkZ); // Paper - rewrite chunk system // SparklyPaper - parallel world ticking
CompletableFuture completablefuture;
if (flag1) {
@@ -650,7 +659,7 @@ public class ServerChunkCache extends ChunkSource {
if (true || this.level.shouldTickBlocksAt(chunkcoordintpair.toLong())) { // Paper - optimise chunk tick iteration
this.level.tickChunk(chunk1, k);
- if ((chunksTicked++ & 1) == 0) net.minecraft.server.MinecraftServer.getServer().executeMidTickTasks(); // Paper
+ // if ((chunksTicked++ & 1) == 0) net.minecraft.server.MinecraftServer.getServer().executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks) // Paper
}
}
}
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 3721a45fbc38d6fc92cc8ba5080c7bd18b8d006c..add727490a4513342914e94a57e4674310777b5a 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -216,6 +216,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
private final boolean tickTime;
private final RandomSequences randomSequences;
public long lastMidTickExecuteFailure; // Paper - execute chunk tasks mid tick
+ public java.util.concurrent.ExecutorService tickExecutor; // SparklyPaper - parallel world ticking
// CraftBukkit start
public final LevelStorageSource.LevelStorageAccess convertable;
@@ -703,7 +704,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.uuid = WorldUUID.getUUID(convertable_conversionsession.levelDirectory.path().toFile());
// CraftBukkit end
this.players = Lists.newArrayList();
- this.entityTickList = new EntityTickList();
+ this.entityTickList = new EntityTickList(this);
this.blockTicks = new LevelTicks<>(this::isPositionTickingWithEntitiesLoaded, this.getProfilerSupplier());
this.fluidTicks = new LevelTicks<>(this::isPositionTickingWithEntitiesLoaded, this.getProfilerSupplier());
this.navigatingMobs = new ObjectOpenHashSet();
@@ -774,6 +775,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.chunkTaskScheduler = new io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler(this, io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.workerThreads); // Paper - rewrite chunk system
this.entityLookup = new io.papermc.paper.chunk.system.entity.EntityLookup(this, new EntityCallbacks()); // Paper - rewrite chunk system
+ this.tickExecutor = java.util.concurrent.Executors.newSingleThreadExecutor(new net.sparklypower.sparklypaper.ServerLevelTickExecutorThreadFactory(getWorld().getName())); // SparklyPaper - parallel world ticking
}
// Paper start
@@ -1329,7 +1331,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (fluid1.is(fluid)) {
fluid1.tick(this, pos);
}
- MinecraftServer.getServer().executeMidTickTasks(); // Paper - exec chunk tasks during world tick
+ // MinecraftServer.getServer().executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks) // Paper - exec chunk tasks during world tick
}
@@ -1339,7 +1341,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (iblockdata.is(block)) {
iblockdata.tick(this, pos, this.random);
}
- MinecraftServer.getServer().executeMidTickTasks(); // Paper - exec chunk tasks during world tick
+ // MinecraftServer.getServer().executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks) // Paper - exec chunk tasks during world tick
}
@@ -1357,7 +1359,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void tickNonPassenger(Entity entity) {
// Paper start - log detailed entity tick information
- io.papermc.paper.util.TickThread.ensureTickThread("Cannot tick an entity off-main");
+ io.papermc.paper.util.TickThread.ensureTickThread(entity, "Cannot tick an entity off-main"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
try {
if (currentlyTickingEntity.get() == null) {
currentlyTickingEntity.lazySet(entity);
@@ -1645,6 +1647,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
private void addPlayer(ServerPlayer player) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot add player off-main"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
Entity entity = (Entity) this.getEntities().get(player.getUUID());
if (entity != null) {
@@ -1658,7 +1661,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
// CraftBukkit start
private boolean addEntity(Entity entity, CreatureSpawnEvent.SpawnReason spawnReason) {
- org.spigotmc.AsyncCatcher.catchOp("entity add"); // Spigot
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot add entity off-main"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
// Paper start
if (entity.valid) {
MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable());
@@ -2632,6 +2635,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
@Override
public void close() throws IOException {
super.close();
+ tickExecutor.shutdown(); // SparklyPaper - parallel world ticking
//this.entityManager.close(); // Paper - rewrite chunk system
}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index f71a4a8307fb092d33545e12d253e0b80c884168..e44f7734e677226ff8715134c81edad9520b5694 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -18,6 +18,7 @@ import java.util.Optional;
import java.util.OptionalInt;
import java.util.Set;
import javax.annotation.Nullable;
+
import net.minecraft.BlockUtil;
import net.minecraft.ChatFormatting;
import net.minecraft.CrashReport;
@@ -95,7 +96,6 @@ import net.minecraft.util.Mth;
import net.minecraft.util.RandomSource;
import net.minecraft.util.Unit;
import net.minecraft.world.damagesource.DamageSource;
-import net.minecraft.world.damagesource.DamageSources;
import net.minecraft.world.effect.MobEffectInstance;
import net.minecraft.world.effect.MobEffects;
import net.minecraft.world.entity.Entity;
@@ -114,12 +114,7 @@ import net.minecraft.world.entity.player.Inventory;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.projectile.AbstractArrow;
import net.minecraft.world.food.FoodData;
-import net.minecraft.world.inventory.AbstractContainerMenu;
-import net.minecraft.world.inventory.ContainerListener;
-import net.minecraft.world.inventory.ContainerSynchronizer;
-import net.minecraft.world.inventory.HorseInventoryMenu;
-import net.minecraft.world.inventory.ResultSlot;
-import net.minecraft.world.inventory.Slot;
+import net.minecraft.world.inventory.*;
import net.minecraft.world.item.ComplexItem;
import net.minecraft.world.item.ItemCooldowns;
import net.minecraft.world.item.ItemStack;
@@ -321,6 +316,7 @@ public class ServerPlayer extends Player {
// Paper start - optimise chunk tick iteration
public double lastEntitySpawnRadiusSquared = -1.0;
// Paper end - optimise chunk tick iteration
+ 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 world, GameProfile profile, ClientInformation clientOptions) {
super(world, world.getSharedSpawnPos(), world.getSharedSpawnAngle(), profile);
@@ -710,6 +706,7 @@ public class ServerPlayer extends Player {
@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;
@@ -728,6 +725,7 @@ public class ServerPlayer extends Player {
containerUpdateDelay = this.level().paperConfig().tickRates.containerUpdate;
}
// Paper end
+ // SparklyPaper - parallel world ticking (debugging)
if (!this.level().isClientSide && this.containerMenu != this.inventoryMenu && (this.isImmobile() || !this.containerMenu.stillValid(this))) { // Paper - auto close while frozen
this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.CANT_USE); // Paper
this.containerMenu = this.inventoryMenu;
@@ -1182,6 +1180,7 @@ public class ServerPlayer extends Player {
ResourceKey<LevelStem> resourcekey = worldserver1.getTypeKey(); // CraftBukkit
if (resourcekey == LevelStem.END && worldserver != null && worldserver.getTypeKey() == LevelStem.OVERWORLD) { // CraftBukkit
+ io.papermc.paper.util.TickThread.ensureOnlyTickThread("Cannot change dimension of a player off-main, from world " + serverLevel().getWorld().getName() + " to world " + worldserver.getWorld().getName()); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.isChangingDimension = true; // CraftBukkit - Moved down from above
this.unRide();
this.serverLevel().removePlayerImmediately(this, Entity.RemovalReason.CHANGED_DIMENSION);
@@ -1194,6 +1193,10 @@ public class ServerPlayer extends Player {
return this;
} else {
+ if (worldserver != null)
+ io.papermc.paper.util.TickThread.ensureOnlyTickThread("Cannot change dimension of a player off-main, from world " + serverLevel().getWorld().getName() + " to world " + worldserver.getWorld().getName()); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
+ else
+ io.papermc.paper.util.TickThread.ensureOnlyTickThread("Cannot change dimension of a player off-main, from world " + serverLevel().getWorld().getName() + " to unknown world"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
// CraftBukkit start
/*
WorldData worlddata = worldserver.getLevelData();
@@ -1594,6 +1597,12 @@ public class ServerPlayer extends Player {
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 " + container + " because we haven't ticked in the current world yet!", new Throwable());
+ return OptionalInt.empty();
+ }
+ // SparklyPaper end
this.containerMenu = container;
if (!this.isImmobile()) this.connection.send(new ClientboundOpenScreenPacket(container.containerId, container.getType(), Objects.requireNonNullElseGet(title, container::getTitle))); // Paper
// CraftBukkit end
@@ -1655,6 +1664,7 @@ public class ServerPlayer extends Player {
}
@Override
public void closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+ MinecraftServer.LOGGER.warn("Closing " + this.getBukkitEntity().getName() + " inventory that was created at", this.containerMenu.containerCreationStacktrace);
CraftEventFactory.handleInventoryCloseEvent(this, reason); // CraftBukkit
// Paper end
this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 33abcf12b4426572b74ca4c813e4392c823494bc..07198f2f8f7cb082c9e575a5c1e56c14aca31a87 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -111,7 +111,6 @@ import org.bukkit.Location;
import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.craftbukkit.entity.CraftPlayer;
-import org.bukkit.craftbukkit.util.CraftChatMessage;
import org.bukkit.craftbukkit.util.CraftLocation;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerChangedWorldEvent;
@@ -120,7 +119,6 @@ import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import org.bukkit.event.player.PlayerRespawnEvent;
import org.bukkit.event.player.PlayerRespawnEvent.RespawnReason;
-import org.bukkit.event.player.PlayerSpawnChangeEvent;
// CraftBukkit end
public abstract class PlayerList {
@@ -136,7 +134,7 @@ 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;
@@ -157,7 +155,7 @@ public abstract class PlayerList {
// CraftBukkit start
private 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 - Team name used for collideRule
public PlayerList(MinecraftServer server, LayeredRegistryAccess<RegistryLayer> registryManager, PlayerDataStorage saveHandler, int maxPlayers) {
@@ -181,6 +179,7 @@ public abstract class PlayerList {
abstract public void loadAndSaveFiles(); // Paper - moved from DedicatedPlayerList constructor
public void placeNewPlayer(Connection connection, ServerPlayer player, CommonListenerCookie clientData) {
+ io.papermc.paper.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
GameProfile gameprofile = player.getGameProfile();
@@ -820,6 +819,8 @@ public abstract class PlayerList {
}
public ServerPlayer respawn(ServerPlayer entityplayer, ServerLevel worldserver, boolean flag, Location location, boolean avoidSuffocation, RespawnReason reason, org.bukkit.event.player.PlayerRespawnEvent.RespawnFlag...respawnFlags) {
+ System.out.println("respawning player - current player container is " + entityplayer.containerMenu + " but their inventory is " + entityplayer.inventoryMenu);
+ io.papermc.paper.util.TickThread.ensureOnlyTickThread("Cannot respawn player off-main, from world " + entityplayer.serverLevel().getWorld().getName() + " to world " + worldserver.getWorld().getName()); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
// Paper end
entityplayer.stopRiding(); // CraftBukkit
this.players.remove(entityplayer);
@@ -844,6 +845,7 @@ public abstract class PlayerList {
ServerPlayer entityplayer1 = entityplayer;
org.bukkit.World fromWorld = entityplayer.getBukkitEntity().getWorld();
entityplayer.wonGame = false;
+ entityplayer.hasTickedAtLeastOnceInNewWorld = false; // SparklyPaper - parallel world ticking (see: PARALLEL_NOTES.md - Opening an inventory after a world switch)
// CraftBukkit end
entityplayer1.connection = entityplayer.connection;
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index e544081e8214802facb77defc1e9aa765834be2a..f979d22f5bf83492133a87119686a4e136923bc0 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -934,11 +934,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
// This will be called every single tick the entity is in lava, so don't throw an event
this.setSecondsOnFire(15, false);
}
- CraftEventFactory.blockDamage = (this.lastLavaContact) == null ? null : org.bukkit.craftbukkit.block.CraftBlock.at(this.level, this.lastLavaContact);
+ CraftEventFactory.blockDamageRT.set((this.lastLavaContact) == null ? null : org.bukkit.craftbukkit.block.CraftBlock.at(this.level, this.lastLavaContact)); // SparklyPaper - parallel world ticking
if (this.hurt(this.damageSources().lava(), 4.0F)) {
this.playSound(SoundEvents.GENERIC_BURN, 0.4F, 2.0F + this.random.nextFloat() * 0.4F);
}
- CraftEventFactory.blockDamage = null;
+ CraftEventFactory.blockDamageRT.set(null); // SparklyPaper - parallel world ticking
// CraftBukkit end - we also don't throw an event unless the object in lava is living, to save on some event calls
}
@@ -3390,9 +3390,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
if (this.fireImmune()) {
return;
}
- CraftEventFactory.entityDamage = lightning;
+ CraftEventFactory.entityDamageRT.set(lightning); // SparklyPaper - parallel world ticking
if (!this.hurt(this.damageSources().lightningBolt(), 5.0F)) {
- CraftEventFactory.entityDamage = null;
+ CraftEventFactory.entityDamageRT.set(null); // SparklyPaper - parallel world ticking
return;
}
// CraftBukkit end
@@ -3903,6 +3903,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
this.teleportPassengers();
this.setYHeadRot(yaw);
} else {
+ io.papermc.paper.util.TickThread.ensureTickThread(world, "Cannot teleport entity to another world off-main, from world " + level.getWorld().getName() + " to world " + world.getWorld().getName()); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.unRide();
Entity entity = this.getType().create(world);
diff --git a/src/main/java/net/minecraft/world/entity/animal/Turtle.java b/src/main/java/net/minecraft/world/entity/animal/Turtle.java
index 490472bb618e9ac07da5883a71dff8920525b1e2..73e4d849d151ec3adec80a96c1e6efbe35b5044a 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Turtle.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Turtle.java
@@ -341,9 +341,9 @@ public class Turtle extends Animal {
@Override
public void thunderHit(ServerLevel world, LightningBolt lightning) {
- org.bukkit.craftbukkit.event.CraftEventFactory.entityDamage = lightning; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.entityDamageRT.set(lightning); // CraftBukkit // SparklyPaper - parallel world ticking
this.hurt(this.damageSources().lightningBolt(), Float.MAX_VALUE);
- org.bukkit.craftbukkit.event.CraftEventFactory.entityDamage = null; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.entityDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
index e6f75a9cac46c8e3ddba664a9d5b27b665a94cb4..07df7ce695452409b4ac132d8fb72bed2415b08e 100644
--- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
@@ -295,9 +295,9 @@ public class FallingBlockEntity extends Entity {
float f2 = (float) Math.min(Mth.floor((float) i * this.fallDamagePerDistance), this.fallDamageMax);
this.level().getEntities((Entity) this, this.getBoundingBox(), predicate).forEach((entity) -> {
- CraftEventFactory.entityDamage = this; // CraftBukkit
+ CraftEventFactory.entityDamageRT.set(this); // CraftBukkit // SparklyPaper - parallel world ticking
entity.hurt(damagesource2, f2);
- CraftEventFactory.entityDamage = null; // CraftBukkit
+ CraftEventFactory.entityDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
});
boolean flag = this.blockState.is(BlockTags.ANVIL);
diff --git a/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java b/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
index bbdb82b319480b103df463cce3c1b8e3dd5857ec..46093cd5d70ad6a95b2407aa5d749a3790ccd92a 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
@@ -129,9 +129,9 @@ public class EvokerFangs extends Entity implements TraceableEntity {
if (target.isAlive() && !target.isInvulnerable() && target != entityliving1) {
if (entityliving1 == null) {
- org.bukkit.craftbukkit.event.CraftEventFactory.entityDamage = this; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.entityDamageRT.set(this); // CraftBukkit // SparklyPaper - parallel world ticking
target.hurt(this.damageSources().magic(), 6.0F);
- org.bukkit.craftbukkit.event.CraftEventFactory.entityDamage = null; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.entityDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
} else {
if (entityliving1.isAlliedTo((Entity) target)) {
return;
diff --git a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
index b2f08889139dc447f7071f1c81456035bf8de31e..f816f197df8f36c83d5fe5b6d677da91bac2c16f 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
@@ -240,9 +240,9 @@ public class FireworkRocketEntity extends Projectile implements ItemSupplier {
if (f > 0.0F) {
if (this.attachedToEntity != null) {
- CraftEventFactory.entityDamage = this; // CraftBukkit
+ CraftEventFactory.entityDamageRT.set(this); // CraftBukkit // SparklyPaper - parallel world ticking
this.attachedToEntity.hurt(this.damageSources().fireworks(this, this.getOwner()), 5.0F + (float) (nbttaglist.size() * 2));
- CraftEventFactory.entityDamage = null; // CraftBukkit
+ CraftEventFactory.entityDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
}
double d0 = 5.0D;
@@ -269,9 +269,9 @@ public class FireworkRocketEntity extends Projectile implements ItemSupplier {
if (flag) {
float f1 = f * (float) Math.sqrt((5.0D - (double) this.distanceTo(entityliving)) / 5.0D);
- CraftEventFactory.entityDamage = this; // CraftBukkit
+ CraftEventFactory.entityDamageRT.set(this); // CraftBukkit // SparklyPaper - parallel world ticking
entityliving.hurt(this.damageSources().fireworks(this, this.getOwner()), f1);
- CraftEventFactory.entityDamage = null; // CraftBukkit
+ CraftEventFactory.entityDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
}
}
}
diff --git a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
index a90317100d32974e481e14476843f66997a2cf3a..981a73abdef08bf4a2de274abbccff35415f3a95 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
@@ -78,16 +78,19 @@ public abstract class Projectile extends Entity implements TraceableEntity {
} else if (this.ownerUUID != null && this.level() instanceof ServerLevel) {
this.cachedOwner = ((ServerLevel) this.level()).getEntity(this.ownerUUID);
// Paper start - check all worlds
- if (this.cachedOwner == null) {
- for (final ServerLevel level : this.level().getServer().getAllLevels()) {
- if (level == this.level()) continue;
- final Entity entity = level.getEntity(this.ownerUUID);
- if (entity != null) {
- this.cachedOwner = entity;
- break;
- }
- }
- }
+ // SparklyPaper start - parallel world ticking
+ // This is from the "MC-50319: Check other worlds for shooter of projectiles" patch, however, accessing the entities in other worlds will cause concurrency issues
+ // if (this.cachedOwner == null) {
+ // for (final ServerLevel level : this.level().getServer().getAllLevels()) {
+ // if (level == this.level()) continue;
+ // final Entity entity = level.getEntity(this.ownerUUID);
+ // if (entity != null) {
+ // this.cachedOwner = entity;
+ // break;
+ // }
+ // }
+ // }
+ // SparklyPaper end
// Paper end
this.refreshProjectileSource(false); // Paper
return this.cachedOwner;
diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
index f5db60cbecbe69941873e064315931089fe0e48a..6c4a1de4f2606439348dbdb620a1aff63b848028 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
@@ -82,9 +82,9 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
entityplayer.connection.teleport(teleEvent.getTo());
entity.resetFallDistance();
- CraftEventFactory.entityDamage = this;
+ CraftEventFactory.entityDamageRT.set(this); // SparklyPaper - parallel world ticking
entity.hurt(this.damageSources().fall(), 5.0F);
- CraftEventFactory.entityDamage = null;
+ CraftEventFactory.entityDamageRT.set(null); // SparklyPaper - parallel world ticking
}
// CraftBukkit end
}
diff --git a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
index f664da5a8413bb13cc95d2cf1604f11a5d285dae..42da66ca4fbb37cac1d8db20f8f4f1c83f8f5fd7 100644
--- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
@@ -102,6 +102,7 @@ public abstract class AbstractContainerMenu {
this.title = title;
}
// CraftBukkit end
+ public Throwable containerCreationStacktrace = new Throwable(); // SparklyPaper - parallel world ticking (debugging)
protected AbstractContainerMenu(@Nullable MenuType<?> type, int syncId) {
this.carried = ItemStack.EMPTY;
diff --git a/src/main/java/net/minecraft/world/item/ArmorItem.java b/src/main/java/net/minecraft/world/item/ArmorItem.java
index 42d87800a328f71c5127ce5599ca4c71cc9bb1cd..466526dfe8f81379bccf640f2c3a70640c353540 100644
--- a/src/main/java/net/minecraft/world/item/ArmorItem.java
+++ b/src/main/java/net/minecraft/world/item/ArmorItem.java
@@ -69,7 +69,7 @@ public class ArmorItem extends Item implements Equipable {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) entityliving.getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
world.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 4697df75fdee2023c41260bed211e3e3d90d2b9b..618a0a4d479c73fd0ca7e9d770ea01deb10c004a 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -378,8 +378,8 @@ public final class ItemStack {
if (enuminteractionresult.consumesAction() && world.captureTreeGeneration && world.capturedBlockStates.size() > 0) {
world.captureTreeGeneration = false;
Location location = CraftLocation.toBukkit(blockposition, world.getWorld());
- 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<CraftBlockState> blocks = new java.util.ArrayList<>(world.capturedBlockStates.values());
world.capturedBlockStates.clear();
StructureGrowEvent structureEvent = null;
diff --git a/src/main/java/net/minecraft/world/item/MinecartItem.java b/src/main/java/net/minecraft/world/item/MinecartItem.java
index a33395dc5a94d89b5ab273c7832813b6ff9ea3b7..31abddcd78672814de8d1e6289da67782675081a 100644
--- a/src/main/java/net/minecraft/world/item/MinecartItem.java
+++ b/src/main/java/net/minecraft/world/item/MinecartItem.java
@@ -69,7 +69,7 @@ public class MinecartItem extends Item {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block2, craftItem.clone(), new org.bukkit.util.Vector(d0, d1 + d3, d2));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index 45243249a561440512ef2a620c60b02e159c80e2..849b9b4336d2ac99324dacf6ad8a2e34e7e65797 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -566,7 +566,7 @@ public class Explosion {
continue;
}
- CraftEventFactory.entityDamage = this.source;
+ CraftEventFactory.entityDamageRT.set(this.source); // SparklyPaper - parallel world ticking
entity.lastDamageCancelled = false;
if (entity instanceof EnderDragon) {
@@ -582,7 +582,7 @@ public class Explosion {
entity.hurt(this.getDamageSource(), (float) ((int) ((d13 * d13 + d13) / 2.0D * 7.0D * (double) f2 + 1.0D)));
}
- CraftEventFactory.entityDamage = null;
+ CraftEventFactory.entityDamageRT.set(null); // SparklyPaper - parallel world ticking
if (entity.lastDamageCancelled) { // SPIGOT-5339, SPIGOT-6252, SPIGOT-6777: Skip entity if damage event was cancelled
continue;
}
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index b9e0822638a3979bd43392efdb595153e6f34675..28caabc36e7af64d3f546fc0e3c9c06bc5c8b78d 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -15,6 +15,8 @@ import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.function.Supplier;
import javax.annotation.Nullable;
+
+import io.papermc.paper.util.TickThread;
import net.minecraft.CrashReport;
import net.minecraft.CrashReportCategory;
import net.minecraft.ReportedException;
@@ -827,7 +829,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public final LevelChunk getChunk(int chunkX, int chunkZ) { // Paper - final to help inline
// Paper start - make sure loaded chunks get the inlined variant of this function
net.minecraft.server.level.ServerChunkCache cps = ((ServerLevel)this).getChunkSource();
- if (cps.mainThread == Thread.currentThread()) {
+ if (TickThread.isTickThreadFor((ServerLevel) this, chunkX, chunkZ)) { // SparklyPaper - parallel world ticking, let tick threads load chunks via the main thread
LevelChunk ifLoaded = cps.getChunkAtIfLoadedMainThread(chunkX, chunkZ);
if (ifLoaded != null) {
return ifLoaded;
@@ -911,6 +913,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Override
public boolean setBlock(BlockPos pos, BlockState state, int flags, int maxUpdateDepth) {
+ io.papermc.paper.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
@@ -1292,7 +1295,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
tickingblockentity.tick();
// Paper start - execute chunk tasks during tick
if ((this.tileTickPosition & 7) == 0) {
- MinecraftServer.getServer().executeMidTickTasks();
+ // MinecraftServer.getServer().executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks)
}
// Paper end - execute chunk tasks during tick
}
@@ -1309,7 +1312,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public <T extends Entity> void guardEntityTick(Consumer<T> tickConsumer, T entity) {
try {
tickConsumer.accept(entity);
- MinecraftServer.getServer().executeMidTickTasks(); // Paper - execute chunk tasks mid tick
+ // MinecraftServer.getServer().executeMidTickTasks(); // SparklyPaper - parallel world ticking (only run mid-tick at the end of each tick / fixes concurrency bugs related to executeMidTickTasks) // Paper - execute chunk tasks mid tick
} catch (Throwable throwable) {
if (throwable instanceof ThreadDeath) throw throwable; // Paper
// Paper start - Prevent tile entity and entity crashes
@@ -1409,6 +1412,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Nullable
public BlockEntity getBlockEntity(BlockPos blockposition, boolean validate) {
+ io.papermc.paper.util.TickThread.ensureTickThreadOrAsyncThread((ServerLevel) this, "Cannot read world asynchronously"); // SparklyPaper start - parallel world ticking
// Paper start - Optimize capturedTileEntities lookup
net.minecraft.world.level.block.entity.BlockEntity blockEntity;
if (!this.capturedTileEntities.isEmpty() && (blockEntity = this.capturedTileEntities.get(blockposition)) != null) {
@@ -1416,10 +1420,11 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
// Paper end
// CraftBukkit end
- return this.isOutsideBuildHeight(blockposition) ? null : (!this.isClientSide && !io.papermc.paper.util.TickThread.isTickThread() ? null : this.getChunkAt(blockposition).getBlockEntity(blockposition, LevelChunk.EntityCreationType.IMMEDIATE)); // Paper - rewrite chunk system
+ return this.isOutsideBuildHeight(blockposition) ? null : (!this.isClientSide && !io.papermc.paper.util.TickThread.isTickThread() ? null : this.getChunkAt(blockposition).getBlockEntity(blockposition, LevelChunk.EntityCreationType.IMMEDIATE)); // Paper - rewrite chunk system // SparklyPaper - parallel world ticking
}
public void setBlockEntity(BlockEntity blockEntity) {
+ io.papermc.paper.util.TickThread.ensureTickThread((ServerLevel) this, "Cannot modify world asynchronously"); // SparklyPaper start - parallel world ticking
BlockPos blockposition = blockEntity.getBlockPos();
if (!this.isOutsideBuildHeight(blockposition)) {
@@ -1505,6 +1510,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Override
public List<Entity> getEntities(@Nullable Entity except, AABB box, Predicate<? super Entity> predicate) {
+ io.papermc.paper.util.TickThread.ensureTickThread((ServerLevel)this, box, "Cannot getEntities asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.getProfiler().incrementCounter("getEntities");
List<Entity> list = Lists.newArrayList();
((ServerLevel)this).getEntityLookup().getEntities(except, box, list, predicate); // Paper - optimise this call
@@ -1769,8 +1775,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
public final BlockPos.MutableBlockPos getRandomBlockPosition(int x, int y, int z, int l, BlockPos.MutableBlockPos out) {
// Paper end
- this.randValue = this.randValue * 3 + 1013904223;
- int i1 = this.randValue >> 2;
+ int i1 = this.random.nextInt() >> 2; // SparklyPaper - parallel world ticking
out.set(x + (i1 & 15), y + (i1 >> 16 & l), z + (i1 >> 8 & 15)); // Paper - change to setValues call
return out; // Paper
diff --git a/src/main/java/net/minecraft/world/level/block/CactusBlock.java b/src/main/java/net/minecraft/world/level/block/CactusBlock.java
index 0003fb51ae3a6575575e10b4c86719f3061e2577..0c5e0634852fd929f7f1c4373b0c7baebb07bc96 100644
--- a/src/main/java/net/minecraft/world/level/block/CactusBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CactusBlock.java
@@ -115,9 +115,9 @@ public class CactusBlock extends Block {
@Override
public void entityInside(BlockState state, Level world, BlockPos pos, Entity entity) {
if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper
- CraftEventFactory.blockDamage = world.getWorld().getBlockAt(pos.getX(), pos.getY(), pos.getZ()); // CraftBukkit
+ CraftEventFactory.blockDamageRT.set(world.getWorld().getBlockAt(pos.getX(), pos.getY(), pos.getZ())); // CraftBukkit // SparklyPaper - parallel world ticking
entity.hurt(world.damageSources().cactus(), 1.0F);
- CraftEventFactory.blockDamage = null; // CraftBukkit
+ CraftEventFactory.blockDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/block/CampfireBlock.java b/src/main/java/net/minecraft/world/level/block/CampfireBlock.java
index 7700461b8cd0bde1bf6c0d5e4b73184bed1adc4e..e55dd626d3ead2655894ddb9a25a31b661810533 100644
--- a/src/main/java/net/minecraft/world/level/block/CampfireBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CampfireBlock.java
@@ -95,9 +95,9 @@ public class CampfireBlock extends BaseEntityBlock implements SimpleWaterloggedB
public void entityInside(BlockState state, Level world, BlockPos pos, Entity entity) {
if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper
if ((Boolean) state.getValue(CampfireBlock.LIT) && entity instanceof LivingEntity && !EnchantmentHelper.hasFrostWalker((LivingEntity) entity)) {
- org.bukkit.craftbukkit.event.CraftEventFactory.blockDamage = CraftBlock.at(world, pos); // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.blockDamageRT.set(CraftBlock.at(world, pos)); // CraftBukkit // SparklyPaper - parallel world ticking
entity.hurt(world.damageSources().inFire(), (float) this.fireDamage);
- org.bukkit.craftbukkit.event.CraftEventFactory.blockDamage = null; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.blockDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
}
super.entityInside(state, world, pos, entity);
diff --git a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
index 9b1e51c1d95da885c80c6d05000d83436b7bcfb4..720b86021fd94cb68440eafebab4ea5d6e380c5f 100644
--- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
@@ -48,7 +48,8 @@ public class DispenserBlock extends BaseEntityBlock {
object2objectopenhashmap.defaultReturnValue(new DefaultDispenseItemBehavior());
});
private static final int TRIGGER_DURATION = 4;
- public static boolean eventFired = false; // CraftBukkit
+ // public static boolean eventFired = false; // CraftBukkit // SparklyPaper - parallel world ticking
+ public static ThreadLocal<Boolean> eventFired = ThreadLocal.withInitial(() -> Boolean.FALSE); // SparklyPaper - parallel world ticking
public static void registerBehavior(ItemLike provider, DispenseItemBehavior behavior) {
DispenserBlock.DISPENSER_REGISTRY.put(provider.asItem(), behavior);
@@ -99,7 +100,7 @@ public class DispenserBlock extends BaseEntityBlock {
if (idispensebehavior != DispenseItemBehavior.NOOP) {
if (!org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockPreDispenseEvent(world, pos, itemstack, i)) return; // Paper - BlockPreDispenseEvent is called here
- DispenserBlock.eventFired = false; // CraftBukkit - reset event status
+ DispenserBlock.eventFired.set(Boolean.FALSE); // CraftBukkit - reset event status // SparklyPaper - parallel world ticking
tileentitydispenser.setItem(i, idispensebehavior.dispense(sourceblock, itemstack));
}
diff --git a/src/main/java/net/minecraft/world/level/block/FungusBlock.java b/src/main/java/net/minecraft/world/level/block/FungusBlock.java
index 17e9e2efc78cfe8577dbf4e1d6096543ad8b8ac4..0d56dff0ccb86bc62b7752489f4b5d3fa4f1b913 100644
--- a/src/main/java/net/minecraft/world/level/block/FungusBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/FungusBlock.java
@@ -61,9 +61,9 @@ public class FungusBlock extends BushBlock implements BonemealableBlock {
this.getFeature(world).ifPresent((holder) -> {
// CraftBukkit start
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
}
// CraftBukkit end
((ConfiguredFeature) holder.value()).place(world, world.getChunkSource().getGenerator(), random, pos);
diff --git a/src/main/java/net/minecraft/world/level/block/MagmaBlock.java b/src/main/java/net/minecraft/world/level/block/MagmaBlock.java
index 1b766045687e4dcded5cbcc50b746c55b9a34e22..50e3ee93ed989a9a16f6d652a825abad488bb0b0 100644
--- a/src/main/java/net/minecraft/world/level/block/MagmaBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/MagmaBlock.java
@@ -23,9 +23,9 @@ public class MagmaBlock extends Block {
@Override
public void stepOn(Level world, BlockPos pos, BlockState state, Entity entity) {
if (!entity.isSteppingCarefully() && entity instanceof LivingEntity && !EnchantmentHelper.hasFrostWalker((LivingEntity) entity)) {
- org.bukkit.craftbukkit.event.CraftEventFactory.blockDamage = world.getWorld().getBlockAt(pos.getX(), pos.getY(), pos.getZ()); // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.blockDamageRT.set(world.getWorld().getBlockAt(pos.getX(), pos.getY(), pos.getZ())); // CraftBukkit // SparklyPaper - parallel world ticking
entity.hurt(world.damageSources().hotFloor(), 1.0F);
- org.bukkit.craftbukkit.event.CraftEventFactory.blockDamage = null; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.blockDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
}
super.stepOn(world, pos, state, entity);
diff --git a/src/main/java/net/minecraft/world/level/block/MushroomBlock.java b/src/main/java/net/minecraft/world/level/block/MushroomBlock.java
index 302c5a6401facf192677b89cc0e9190bb35b1229..6d4f5383d30893803945803384d4fdd7e1d17a51 100644
--- a/src/main/java/net/minecraft/world/level/block/MushroomBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/MushroomBlock.java
@@ -93,7 +93,7 @@ public class MushroomBlock extends BushBlock implements BonemealableBlock {
return false;
} else {
world.removeBlock(pos, false);
- SaplingBlock.treeType = (this == Blocks.BROWN_MUSHROOM) ? TreeType.BROWN_MUSHROOM : TreeType.RED_MUSHROOM; // CraftBukkit // Paper
+ SaplingBlock.treeTypeRT.set((this == Blocks.BROWN_MUSHROOM) ? TreeType.BROWN_MUSHROOM : TreeType.RED_MUSHROOM); // CraftBukkit // Paper // SparklyPaper - parallel world ticking
if (((ConfiguredFeature) ((Holder) optional.get()).value()).place(world, world.getChunkSource().getGenerator(), random, pos)) {
return true;
} else {
diff --git a/src/main/java/net/minecraft/world/level/block/PointedDripstoneBlock.java b/src/main/java/net/minecraft/world/level/block/PointedDripstoneBlock.java
index cd943997f11f5ea5c600fdc6db96043fb0fa713c..fdfdac600fab86822cb9d1196b43424ad3fcf92a 100644
--- a/src/main/java/net/minecraft/world/level/block/PointedDripstoneBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/PointedDripstoneBlock.java
@@ -141,9 +141,9 @@ public class PointedDripstoneBlock extends Block implements Fallable, SimpleWate
@Override
public void fallOn(Level world, BlockState state, BlockPos pos, Entity entity, float fallDistance) {
if (state.getValue(PointedDripstoneBlock.TIP_DIRECTION) == Direction.UP && state.getValue(PointedDripstoneBlock.THICKNESS) == DripstoneThickness.TIP) {
- CraftEventFactory.blockDamage = CraftBlock.at(world, pos); // CraftBukkit
+ CraftEventFactory.blockDamageRT.set(CraftBlock.at(world, pos)); // CraftBukkit // SparklyPaper - parallel world ticking
entity.causeFallDamage(fallDistance + 2.0F, 2.0F, world.damageSources().stalagmite());
- CraftEventFactory.blockDamage = null; // CraftBukkit
+ CraftEventFactory.blockDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
} else {
super.fallOn(world, state, pos, entity, fallDistance);
}
diff --git a/src/main/java/net/minecraft/world/level/block/SaplingBlock.java b/src/main/java/net/minecraft/world/level/block/SaplingBlock.java
index 53ac4e618fec3fe384d8a106c521f3eace0b5b35..b29df252c1b039004f40a8cf9aefb8387f29d7e3 100644
--- a/src/main/java/net/minecraft/world/level/block/SaplingBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SaplingBlock.java
@@ -27,7 +27,7 @@ public class SaplingBlock extends BushBlock implements BonemealableBlock {
protected static final float AABB_OFFSET = 6.0F;
protected static final VoxelShape SHAPE = Block.box(2.0D, 0.0D, 2.0D, 14.0D, 12.0D, 14.0D);
private final AbstractTreeGrower treeGrower;
- public static TreeType treeType; // CraftBukkit
+ public static final ThreadLocal<TreeType> treeTypeRT = new ThreadLocal<>(); // CraftBukkit // SparklyPaper - parallel world ticking (from Folia)
protected SaplingBlock(AbstractTreeGrower generator, BlockBehaviour.Properties settings) {
super(settings);
@@ -60,8 +60,8 @@ public class SaplingBlock extends BushBlock implements BonemealableBlock {
this.treeGrower.growTree(world, world.getChunkSource().getGenerator(), pos, state, random);
world.captureTreeGeneration = false;
if (world.capturedBlockStates.size() > 0) {
- TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
+ TreeType treeType = SaplingBlock.treeTypeRT.get(); // SparklyPaper - parallel world ticking
+ SaplingBlock.treeTypeRT.set(null); // SparklyPaper - parallel world ticking
Location location = CraftLocation.toBukkit(pos, world.getWorld());
java.util.List<BlockState> blocks = new java.util.ArrayList<>(world.capturedBlockStates.values());
world.capturedBlockStates.clear();
diff --git a/src/main/java/net/minecraft/world/level/block/SweetBerryBushBlock.java b/src/main/java/net/minecraft/world/level/block/SweetBerryBushBlock.java
index 34eb7ba1adb51e394bf46a6f643db3529626d9ec..d48945137f717062e5233c10e978e5134edebf19 100644
--- a/src/main/java/net/minecraft/world/level/block/SweetBerryBushBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SweetBerryBushBlock.java
@@ -85,9 +85,9 @@ public class SweetBerryBushBlock extends BushBlock implements BonemealableBlock
double d1 = Math.abs(entity.getZ() - entity.zOld);
if (d0 >= 0.003000000026077032D || d1 >= 0.003000000026077032D) {
- CraftEventFactory.blockDamage = CraftBlock.at(world, pos); // CraftBukkit
+ CraftEventFactory.blockDamageRT.set(CraftBlock.at(world, pos)); // CraftBukkit // SparklyPaper - parallel world ticking
entity.hurt(world.damageSources().sweetBerryBush(), 1.0F);
- CraftEventFactory.blockDamage = null; // CraftBukkit
+ CraftEventFactory.blockDamageRT.set(null); // CraftBukkit // SparklyPaper - parallel world ticking
}
}
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
index c134d089e55ea2ffb180f92aea020bd7647259c9..a7e1e05fdcb380de71b1bac5f7b5daca3dee2ac9 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
@@ -78,6 +78,12 @@ public abstract class BaseContainerBlockEntity extends BlockEntity implements Co
return canUnlock(player, lock, containerName, null);
}
public static boolean canUnlock(Player player, LockCode lock, Component containerName, @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.serverLevel()) {
+ 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(containerName));
diff --git a/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java
index 963a596154091b79ca139af6274aa323518ad1ad..2817225e5efc97d24e54800689cdda0f53baa616 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java
@@ -235,11 +235,11 @@ public class ConduitBlockEntity extends BlockEntity {
if (blockEntity.destroyTarget != null) {
// CraftBukkit start
- CraftEventFactory.blockDamage = CraftBlock.at(world, pos);
+ CraftEventFactory.blockDamageRT.set(CraftBlock.at(world, pos)); // SparklyPaper - parallel world ticking
if (blockEntity.destroyTarget.hurt(world.damageSources().magic(), 4.0F)) {
world.playSound((Player) null, blockEntity.destroyTarget.getX(), blockEntity.destroyTarget.getY(), blockEntity.destroyTarget.getZ(), SoundEvents.CONDUIT_ATTACK_TARGET, SoundSource.BLOCKS, 1.0F, 1.0F);
}
- CraftEventFactory.blockDamage = null;
+ CraftEventFactory.blockDamageRT.set(null); // SparklyPaper - parallel world ticking
// CraftBukkit end
}
diff --git a/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
index 65112ec3a6ea1c27f032477720ae74395523012b..41ed21bbb7762e52cd800846f546277c19ecd67e 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
@@ -43,9 +43,9 @@ public class SculkCatalystBlockEntity extends BlockEntity implements GameEventLi
// Paper end
public static void serverTick(Level world, BlockPos pos, BlockState state, SculkCatalystBlockEntity blockEntity) {
- org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverride = blockEntity.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.
+ org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverrideRT.set(blockEntity.getBlockPos()); // SparklyPaper - parallel world ticking // CraftBukkit - SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep.
blockEntity.catalystListener.getSculkSpreader().updateCursors(world, pos, world.getRandom(), true);
- org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverride = null; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverrideRT.set(null); // SparklyPaper - parallel world ticking // CraftBukkit
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java b/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java
index a743f36f2682a6b72ffa6644782fc081d1479eb7..85e7da9884f48989a62a789306b701a3dc1a3b0d 100644
--- a/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java
+++ b/src/main/java/net/minecraft/world/level/block/grower/AbstractTreeGrower.java
@@ -75,51 +75,53 @@ public abstract class AbstractTreeGrower {
// CraftBukkit start
protected void setTreeType(Holder<ConfiguredFeature<?, ?>> holder) {
ResourceKey<ConfiguredFeature<?, ?>> worldgentreeabstract = holder.unwrapKey().get();
+ TreeType treeType; // SparklyPaper - parallel world ticking
if (worldgentreeabstract == TreeFeatures.OAK || worldgentreeabstract == TreeFeatures.OAK_BEES_005) {
- SaplingBlock.treeType = TreeType.TREE;
+ treeType = TreeType.TREE;
} else if (worldgentreeabstract == TreeFeatures.HUGE_RED_MUSHROOM) {
- SaplingBlock.treeType = TreeType.RED_MUSHROOM;
+ treeType = TreeType.RED_MUSHROOM;
} else if (worldgentreeabstract == TreeFeatures.HUGE_BROWN_MUSHROOM) {
- SaplingBlock.treeType = TreeType.BROWN_MUSHROOM;
+ treeType = TreeType.BROWN_MUSHROOM;
} else if (worldgentreeabstract == TreeFeatures.JUNGLE_TREE) {
- SaplingBlock.treeType = TreeType.COCOA_TREE;
+ treeType = TreeType.COCOA_TREE;
} else if (worldgentreeabstract == TreeFeatures.JUNGLE_TREE_NO_VINE) {
- SaplingBlock.treeType = TreeType.SMALL_JUNGLE;
+ treeType = TreeType.SMALL_JUNGLE;
} else if (worldgentreeabstract == TreeFeatures.PINE) {
- SaplingBlock.treeType = TreeType.TALL_REDWOOD;
+ treeType = TreeType.TALL_REDWOOD;
} else if (worldgentreeabstract == TreeFeatures.SPRUCE) {
- SaplingBlock.treeType = TreeType.REDWOOD;
+ treeType = TreeType.REDWOOD;
} else if (worldgentreeabstract == TreeFeatures.ACACIA) {
- SaplingBlock.treeType = TreeType.ACACIA;
+ treeType = TreeType.ACACIA;
} else if (worldgentreeabstract == TreeFeatures.BIRCH || worldgentreeabstract == TreeFeatures.BIRCH_BEES_005) {
- SaplingBlock.treeType = TreeType.BIRCH;
+ treeType = TreeType.BIRCH;
} else if (worldgentreeabstract == TreeFeatures.SUPER_BIRCH_BEES_0002) {
- SaplingBlock.treeType = TreeType.TALL_BIRCH;
+ treeType = TreeType.TALL_BIRCH;
} else if (worldgentreeabstract == TreeFeatures.SWAMP_OAK) {
- SaplingBlock.treeType = TreeType.SWAMP;
+ treeType = TreeType.SWAMP;
} else if (worldgentreeabstract == TreeFeatures.FANCY_OAK || worldgentreeabstract == TreeFeatures.FANCY_OAK_BEES_005) {
- SaplingBlock.treeType = TreeType.BIG_TREE;
+ treeType = TreeType.BIG_TREE;
} else if (worldgentreeabstract == TreeFeatures.JUNGLE_BUSH) {
- SaplingBlock.treeType = TreeType.JUNGLE_BUSH;
+ treeType = TreeType.JUNGLE_BUSH;
} else if (worldgentreeabstract == TreeFeatures.DARK_OAK) {
- SaplingBlock.treeType = TreeType.DARK_OAK;
+ treeType = TreeType.DARK_OAK;
} else if (worldgentreeabstract == TreeFeatures.MEGA_SPRUCE) {
- SaplingBlock.treeType = TreeType.MEGA_REDWOOD;
+ treeType = TreeType.MEGA_REDWOOD;
} else if (worldgentreeabstract == TreeFeatures.MEGA_PINE) {
- SaplingBlock.treeType = TreeType.MEGA_REDWOOD;
+ treeType = TreeType.MEGA_REDWOOD;
} else if (worldgentreeabstract == TreeFeatures.MEGA_JUNGLE_TREE) {
- SaplingBlock.treeType = TreeType.JUNGLE;
+ treeType = TreeType.JUNGLE;
} else if (worldgentreeabstract == TreeFeatures.AZALEA_TREE) {
- SaplingBlock.treeType = TreeType.AZALEA;
+ treeType = TreeType.AZALEA;
} else if (worldgentreeabstract == TreeFeatures.MANGROVE) {
- SaplingBlock.treeType = TreeType.MANGROVE;
+ treeType = TreeType.MANGROVE;
} else if (worldgentreeabstract == TreeFeatures.TALL_MANGROVE) {
- SaplingBlock.treeType = TreeType.TALL_MANGROVE;
+ treeType = TreeType.TALL_MANGROVE;
} else if (worldgentreeabstract == TreeFeatures.CHERRY || worldgentreeabstract == TreeFeatures.CHERRY_BEES_005) {
- SaplingBlock.treeType = TreeType.CHERRY;
+ treeType = TreeType.CHERRY;
} else {
throw new IllegalArgumentException("Unknown tree generator " + worldgentreeabstract);
}
+ SaplingBlock.treeTypeRT.set(treeType); // SparklyPaper - parallel world ticking
}
// CraftBukkit end
}
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 fa170cc1ce7011d201295b89718292d696c7fc24..59045493537533f60bb5e3b80633c71bafb25dc0 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -412,6 +412,7 @@ public class LevelChunk extends ChunkAccess {
@Nullable
public BlockState setBlockState(BlockPos blockposition, BlockState iblockdata, boolean flag, boolean doPlace) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.level, blockposition, "Updating block asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
// CraftBukkit end
int i = blockposition.getY();
LevelChunkSection chunksection = this.getSection(this.getSectionIndex(i));
diff --git a/src/main/java/net/minecraft/world/level/entity/EntityTickList.java b/src/main/java/net/minecraft/world/level/entity/EntityTickList.java
index 4cdfc433df67afcd455422e9baf56f167dd712ae..f52b3740bd48f8527a36d48a0454e7d601763985 100644
--- a/src/main/java/net/minecraft/world/level/entity/EntityTickList.java
+++ b/src/main/java/net/minecraft/world/level/entity/EntityTickList.java
@@ -9,6 +9,13 @@ import net.minecraft.world.entity.Entity;
public class EntityTickList {
private final io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Entity> entities = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>(true); // Paper - rewrite this, always keep this updated - why would we EVER tick an entity that's not ticking?
+ // 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 - replace with better logic, do not delay removals
@@ -16,13 +23,13 @@ public class EntityTickList {
}
public void add(Entity entity) {
- io.papermc.paper.util.TickThread.ensureTickThread("Asynchronous entity ticklist addition"); // Paper
+ io.papermc.paper.util.TickThread.ensureTickThread(entity, "Asynchronous entity ticklist addition"); // Paper // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.ensureActiveIsNotIterated();
this.entities.add(entity); // Paper - replace with better logic, do not delay removals/additions
}
public void remove(Entity entity) {
- io.papermc.paper.util.TickThread.ensureTickThread("Asynchronous entity ticklist removal"); // Paper
+ io.papermc.paper.util.TickThread.ensureTickThread(entity, "Asynchronous entity ticklist removal"); // Paper // SparklyPaper - parallel world ticking (additional concurrency issues logs)
this.ensureActiveIsNotIterated();
this.entities.remove(entity); // Paper - replace with better logic, do not delay removals/additions
}
@@ -32,7 +39,7 @@ public class EntityTickList {
}
public void forEach(Consumer<Entity> action) {
- io.papermc.paper.util.TickThread.ensureTickThread("Asynchronous entity ticklist iteration"); // Paper
+ io.papermc.paper.util.TickThread.ensureTickThread(serverLevel, "Asynchronous entity ticklist iteration"); // Paper // SparklyPaper - parallel world ticking (additional concurrency issues logs)
// Paper start - replace with better logic, do not delay removals/additions
// 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/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index c3060d1d4d0caf369c6ab516cb424f45eb851019..80cc42ea129a796a3e1189d9f840ec8180b92229 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -426,7 +426,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
}
private boolean unloadChunk0(int x, int z, boolean save) {
- org.spigotmc.AsyncCatcher.catchOp("chunk unload"); // Spigot
+ io.papermc.paper.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;
}
@@ -441,7 +441,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean regenerateChunk(int x, int z) {
- org.spigotmc.AsyncCatcher.catchOp("chunk regenerate"); // Spigot
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, x, z, "Cannot regenerate chunk asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
warnUnsafeChunk("regenerating a faraway chunk", x, z); // Paper
// Paper start - implement regenerateChunk method
final ServerLevel serverLevel = this.world;
@@ -502,6 +502,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean refreshChunk(int x, int z) {
+ io.papermc.paper.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;
@@ -537,7 +538,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean loadChunk(int x, int z, boolean generate) {
- org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
+ io.papermc.paper.util.TickThread.ensureTickThread(this.getHandle(), x, z, "May not sync load chunks asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
warnUnsafeChunk("loading a faraway chunk", x, z); // Paper
// Paper start - Optimize this method
ChunkPos chunkPos = new ChunkPos(x, z);
@@ -800,6 +801,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean generateTree(Location loc, TreeType type, BlockChangeDelegate delegate) {
+ io.papermc.paper.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);
@@ -910,11 +912,13 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean createExplosion(double x, double y, double z, float power, boolean setFire, boolean breakBlocks, Entity source) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, x, z, "Cannot create explosion asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
return !this.world.explode(source == null ? null : ((CraftEntity) source).getHandle(), x, y, z, power, setFire, breakBlocks ? net.minecraft.world.level.Level.ExplosionInteraction.MOB : net.minecraft.world.level.Level.ExplosionInteraction.NONE).wasCanceled;
}
// Paper start
@Override
public boolean createExplosion(Entity source, Location loc, float power, boolean setFire, boolean breakBlocks) {
+ io.papermc.paper.util.TickThread.ensureTickThread(world, loc.getX(), loc.getZ(), "Cannot create explosion asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
return !world.explode(source != null ? ((org.bukkit.craftbukkit.entity.CraftEntity) source).getHandle() : null, loc.getX(), loc.getY(), loc.getZ(), power, setFire, breakBlocks ? net.minecraft.world.level.Level.ExplosionInteraction.MOB : net.minecraft.world.level.Level.ExplosionInteraction.NONE).wasCanceled;
}
// Paper end
@@ -984,6 +988,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public int getHighestBlockYAt(int x, int z, org.bukkit.HeightMap heightMap) {
+ io.papermc.paper.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);
@@ -1014,6 +1019,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setBiome(int x, int y, int z, Holder<net.minecraft.world.level.biome.Biome> bb) {
BlockPos pos = new BlockPos(x, 0, z);
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, pos, "Cannot retrieve chunk asynchronously"); // SparklyPaper - parallel world ticking (additional concurrency issues logs)
if (this.world.hasChunkAt(pos)) {
net.minecraft.world.level.chunk.LevelChunk chunk = this.world.getChunkAt(pos);
@@ -2272,6 +2278,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void sendGameEvent(Entity sourceEntity, org.bukkit.GameEvent gameEvent, Vector position) {
+ io.papermc.paper.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())), org.bukkit.craftbukkit.util.CraftVector.toBlockPos(position));
}
// Paper end
@@ -2426,7 +2433,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
// Paper start
public java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(int x, int z, boolean gen, boolean urgent) {
warnUnsafeChunk("getting a faraway chunk async", x, z); // Paper
- if (Bukkit.isPrimaryThread()) {
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(this.getHandle(), x, z)) { // SparklyPaper - parallel world ticking
net.minecraft.world.level.chunk.LevelChunk immediate = this.world.getChunkSource().getChunkAtIfLoadedImmediately(x, z);
if (immediate != null) {
return java.util.concurrent.CompletableFuture.completedFuture(new CraftChunk(immediate));
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
index bec8e6b62dba2bd0e4e85a7d1fb51287384f1290..f650163cab8c54b97a7dac7c79320dae733e3411 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
@@ -74,6 +74,11 @@ public class CraftBlock implements Block {
}
public net.minecraft.world.level.block.state.BlockState getNMS() {
+ // Folia start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // Folia end - parallel world ticking
return this.world.getBlockState(this.position);
}
@@ -150,6 +155,11 @@ public class CraftBlock implements Block {
}
private void setData(final byte data, int flag) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
this.world.setBlock(this.position, CraftMagicNumbers.getBlock(this.getType(), data), flag);
}
@@ -191,6 +201,12 @@ public class CraftBlock implements Block {
}
public static boolean setTypeAndData(LevelAccessor world, BlockPos position, net.minecraft.world.level.block.state.BlockState old, net.minecraft.world.level.block.state.BlockState blockData, boolean applyPhysics) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "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 tile entity cleanup
if (old.hasBlockEntity() && blockData.getBlock() != old.getBlock()) { // SPIGOT-3725 remove old tile entity if block changes
// SPIGOT-4612: faster - just clear tile
@@ -336,18 +352,33 @@ public class CraftBlock implements Block {
@Override
public Biome getBiome() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.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) {
+ io.papermc.paper.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) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
this.getWorld().setBiome(this.getX(), this.getY(), this.getZ(), bio);
}
@@ -395,6 +426,11 @@ public class CraftBlock implements Block {
@Override
public boolean isBlockFaceIndirectlyPowered(BlockFace face) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot read world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
int power = this.world.getMinecraftWorld().getSignal(this.position, CraftBlock.blockFaceToNotch(face));
Block relative = this.getRelative(face);
@@ -407,6 +443,11 @@ public class CraftBlock implements Block {
@Override
public int getBlockPower(BlockFace face) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.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();
@@ -477,6 +518,11 @@ public class CraftBlock implements Block {
@Override
public boolean breakNaturally() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
return this.breakNaturally(null);
}
@@ -536,6 +582,11 @@ public class CraftBlock implements Block {
@Override
public boolean applyBoneMeal(BlockFace face) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.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();
@@ -547,8 +598,8 @@ public class CraftBlock implements Block {
world.captureTreeGeneration = false;
if (world.capturedBlockStates.size() > 0) {
- 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> blocks = new ArrayList<>(world.capturedBlockStates.values());
world.capturedBlockStates.clear();
StructureGrowEvent structureEvent = null;
@@ -637,6 +688,11 @@ 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) {
+ io.papermc.paper.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();
@@ -678,6 +734,11 @@ public class CraftBlock implements Block {
@Override
public boolean canPlace(BlockData data) {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.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();
@@ -712,6 +773,11 @@ public class CraftBlock implements Block {
@Override
public void tick() {
+ // SparklyPaper start - parallel world ticking
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
net.minecraft.world.level.block.state.BlockState blockData = this.getNMS();
net.minecraft.server.level.ServerLevel level = this.world.getMinecraftWorld();
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
index a8290624d8c5b19506f628d049984d2e59c4423c..4b0cb97a9355c77eedf17d36c4313189b23aca73 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
@@ -18,7 +18,7 @@ public abstract class CraftBlockEntityState<T extends BlockEntity> extends Craft
private final T tileEntity;
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 tileEntity) {
super(world, tileEntity.getBlockPos(), tileEntity.getBlockState());
@@ -27,8 +27,8 @@ public abstract class CraftBlockEntityState<T extends BlockEntity> extends Craft
try { // Paper - show location on failure
// 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.tileEntity;
} else {
this.snapshot = this.createSnapshot(tileEntity);
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
index 390e1b7fd2721b99cb3ce268c6bc1bf0a38e08a3..9255e51954bd9a43afc366d8c414dd8af7571525 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
@@ -210,6 +210,12 @@ 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) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // SparklyPaper end - parallel world ticking
+
if (block.getType() != this.getType()) {
if (!force) {
return false;
@@ -350,6 +356,7 @@ 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) {
+ io.papermc.paper.util.TickThread.ensureTickThread(world.getHandle(), position, "Cannot modify world asynchronously"); // SparklyPaper - parallel world ticking
net.minecraft.world.item.ItemStack nms = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(item);
// Modelled off EntityHuman#hasBlock
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
index e3b07d623cd64de9645f2372f1e08757edc1a9ed..d00bffcb7f671ec261a58deacf90110978610898 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockStates.java
@@ -239,8 +239,8 @@ public final class CraftBlockStates {
net.minecraft.world.level.block.state.BlockState blockData = craftBlock.getNMS();
BlockEntity tileEntity = craftBlock.getHandle().getBlockEntity(blockPosition);
// Paper start - block state snapshots
- 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 {
// Paper end
CraftBlockState blockState = CraftBlockStates.getBlockState(world, blockPosition, blockData, tileEntity);
@@ -248,7 +248,7 @@ public final class CraftBlockStates {
return blockState;
// Paper start
} finally {
- CraftBlockEntityState.DISABLE_SNAPSHOT = prev;
+ CraftBlockEntityState.DISABLE_SNAPSHOT.set(prev); // SparklyPaper - parallel world ticking
}
// Paper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 5dc160b743534665c6b3efb10b10f7c36e2da5ab..8942bb585e1f4a0b747194ef2ad91acc5de82d8b 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -246,8 +246,8 @@ import org.bukkit.potion.PotionEffect;
import org.bukkit.util.Vector;
public class CraftEventFactory {
- public static org.bukkit.block.Block blockDamage; // For use in EntityDamageByBlockEvent
- public static Entity entityDamage; // For use in EntityDamageByEntityEvent
+ public static final ThreadLocal<org.bukkit.block.Block> blockDamageRT = new ThreadLocal<>(); // For use in EntityDamageByBlockEvent // SparklyPaper - parallel world ticking (this is from Folia, fixes concurrency bugs / For use in EntityDamageByEntityEvent)
+ public static final ThreadLocal<Entity> entityDamageRT = new ThreadLocal<>(); // For use in EntityDamageByEntityEvent // SparklyPaper - parallel world ticking (this is from Folia, fixes concurrency bugs / For use in EntityDamageByEntityEvent)
// helper methods
private static boolean canBuild(ServerLevel world, Player player, int x, int z) {
@@ -920,7 +920,7 @@ public class CraftEventFactory {
return CraftEventFactory.handleBlockSpreadEvent(world, source, target, block, 2);
}
- public static BlockPos sourceBlockOverride = null; // SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition 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 block, int flag) {
// Suppress during worldgen
@@ -932,7 +932,7 @@ public class CraftEventFactory {
CraftBlockState state = CraftBlockStates.getBlockState(world, target, flag);
state.setData(block);
- BlockSpreadEvent event = new BlockSpreadEvent(state.getBlock(), CraftBlock.at(world, CraftEventFactory.sourceBlockOverride != null ? CraftEventFactory.sourceBlockOverride : source), state);
+ BlockSpreadEvent event = new BlockSpreadEvent(state.getBlock(), CraftBlock.at(world, CraftEventFactory.sourceBlockOverrideRT.get() != null ? CraftEventFactory.sourceBlockOverrideRT.get() : source), state); // SparklyPaper - parallel world ticking
Bukkit.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
@@ -1047,8 +1047,8 @@ public class CraftEventFactory {
private static EntityDamageEvent handleEntityDamageEvent(Entity entity, DamageSource source, Map<DamageModifier, Double> modifiers, Map<DamageModifier, Function<? super Double, Double>> modifierFunctions, boolean cancelled) {
if (source.is(DamageTypeTags.IS_EXPLOSION)) {
DamageCause damageCause;
- Entity damager = CraftEventFactory.entityDamage;
- CraftEventFactory.entityDamage = null;
+ Entity damager = CraftEventFactory.entityDamageRT.get(); // SparklyPaper - parallel world ticking
+ CraftEventFactory.entityDamageRT.set(null); // SparklyPaper - parallel world ticking
EntityDamageEvent event;
if (damager == null) {
event = new EntityDamageByBlockEvent(null, entity.getBukkitEntity(), DamageCause.BLOCK_EXPLOSION, modifiers, modifierFunctions, source.explodedBlockState); // Paper - handle block state in damage
@@ -1109,13 +1109,13 @@ public class CraftEventFactory {
}
return event;
} else if (source.is(DamageTypes.LAVA)) {
- EntityDamageEvent event = (new EntityDamageByBlockEvent(CraftEventFactory.blockDamage, entity.getBukkitEntity(), DamageCause.LAVA, modifiers, modifierFunctions));
+ EntityDamageEvent event = (new EntityDamageByBlockEvent(CraftEventFactory.blockDamageRT.get(), entity.getBukkitEntity(), DamageCause.LAVA, modifiers, modifierFunctions)); // SparklyPaper - parallel world ticking
event.setCancelled(cancelled);
- Block damager = CraftEventFactory.blockDamage;
- CraftEventFactory.blockDamage = null; // SPIGOT-6639: Clear blockDamage to allow other entity damage during event call
+ Block damager = CraftEventFactory.blockDamageRT.get(); // SparklyPaper - parallel world ticking
+ CraftEventFactory.blockDamageRT.set(null); // SPIGOT-6639: Clear blockDamage to allow other entity damage during event call // SparklyPaper - parallel world ticking
CraftEventFactory.callEvent(event);
- CraftEventFactory.blockDamage = damager; // SPIGOT-6639: Re-set blockDamage so that other entities which are also getting damaged have the right cause
+ CraftEventFactory.blockDamageRT.set(damager); // SPIGOT-6639: Re-set blockDamage so that other entities which are also getting damaged have the right cause // SparklyPaper - parallel world ticking
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
@@ -1123,9 +1123,9 @@ public class CraftEventFactory {
entity.lastDamageCancelled = true; // SPIGOT-5339, SPIGOT-6252, SPIGOT-6777: Keep track if the event was canceled
}
return event;
- } else if (CraftEventFactory.blockDamage != null) {
+ } else if (CraftEventFactory.blockDamageRT.get() != null) { // SparklyPaper - parallel world ticking
DamageCause cause = null;
- Block damager = CraftEventFactory.blockDamage;
+ Block damager = CraftEventFactory.blockDamageRT.get(); // SparklyPaper - parallel world ticking
if (source.is(DamageTypes.CACTUS) || source.is(DamageTypes.SWEET_BERRY_BUSH) || source.is(DamageTypes.STALAGMITE) || source.is(DamageTypes.FALLING_STALACTITE) || source.is(DamageTypes.FALLING_ANVIL)) {
cause = DamageCause.CONTACT;
} else if (source.is(DamageTypes.HOT_FLOOR)) {
@@ -1140,9 +1140,9 @@ public class CraftEventFactory {
EntityDamageEvent event = new EntityDamageByBlockEvent(damager, entity.getBukkitEntity(), cause, modifiers, modifierFunctions);
event.setCancelled(cancelled);
- CraftEventFactory.blockDamage = null; // SPIGOT-6639: Clear blockDamage to allow other entity damage during event call
+ CraftEventFactory.blockDamageRT.set(null); // SPIGOT-6639: Clear blockDamage to allow other entity damage during event call // SparklyPaper - parallel world ticking
CraftEventFactory.callEvent(event);
- CraftEventFactory.blockDamage = damager; // SPIGOT-6639: Re-set blockDamage so that other entities which are also getting damaged have the right cause
+ CraftEventFactory.blockDamageRT.set(damager); // SPIGOT-6639: Re-set blockDamage so that other entities which are also getting damaged have the right cause // SparklyPaper - parallel world ticking
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
@@ -1150,10 +1150,10 @@ public class CraftEventFactory {
entity.lastDamageCancelled = true; // SPIGOT-5339, SPIGOT-6252, SPIGOT-6777: Keep track if the event was canceled
}
return event;
- } else if (CraftEventFactory.entityDamage != null) {
+ } else if (CraftEventFactory.entityDamageRT.get() != null) { // SparklyPaper - parallel world ticking
DamageCause cause = null;
- CraftEntity damager = CraftEventFactory.entityDamage.getBukkitEntity();
- CraftEventFactory.entityDamage = null;
+ CraftEntity damager = CraftEventFactory.entityDamageRT.get().getBukkitEntity(); // SparklyPaper - parallel world ticking
+ CraftEventFactory.entityDamageRT.set(null); // SparklyPaper - parallel world ticking
if (source.is(DamageTypes.FALLING_STALACTITE) || source.is(DamageTypes.FALLING_BLOCK) || source.is(DamageTypes.FALLING_ANVIL)) {
cause = DamageCause.FALLING_BLOCK;
} else if (damager instanceof LightningStrike) {
@@ -2123,7 +2123,7 @@ public class CraftEventFactory {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemStack.copyWithCount(1));
org.bukkit.event.block.BlockDispenseEvent event = new org.bukkit.event.block.BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(to.getX(), to.getY(), to.getZ()));
- if (!net.minecraft.world.level.block.DispenserBlock.eventFired) {
+ if (!net.minecraft.world.level.block.DispenserBlock.eventFired.get()) { // SparklyPaper - parallel world ticking
if (!event.callEvent()) {
return itemStack;
}
diff --git a/src/main/kotlin/net/sparklypower/sparklypaper/ServerLevelTickExecutorThreadFactory.kt b/src/main/kotlin/net/sparklypower/sparklypaper/ServerLevelTickExecutorThreadFactory.kt
new file mode 100644
index 0000000000000000000000000000000000000000..3d536f724ffdae462e3af39e85e4e39190696c37
--- /dev/null
+++ b/src/main/kotlin/net/sparklypower/sparklypaper/ServerLevelTickExecutorThreadFactory.kt
@@ -0,0 +1,21 @@
+package net.sparklypower.sparklypaper
+
+import io.papermc.paper.util.TickThread
+import java.util.concurrent.ThreadFactory
+import java.util.concurrent.atomic.AtomicInteger
+
+class ServerLevelTickExecutorThreadFactory(private val worldName: String) : ThreadFactory {
+ override fun newThread(p0: Runnable): Thread {
+ val tickThread = TickThread.ServerLevelTickThread(p0, "serverlevel-tick-worker [$worldName]")
+
+ if (tickThread.isDaemon) {
+ tickThread.isDaemon = false
+ }
+
+ if (tickThread.priority != 5) {
+ tickThread.priority = 5
+ }
+
+ return tickThread
+ }
+}
\ No newline at end of file
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