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Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes:a339310c
#755: Fix NPE when calling getInventory() for virtual EnderChests2577f9bf
Increase outdated build delay1dabfdc8
#754: Fix pre-1.16 serialized SkullMeta being broken on 1.16+, losing textures
124 lines
6.6 KiB
Diff
124 lines
6.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 21 Jul 2018 08:25:40 -0400
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Subject: [PATCH] Add Debug Entities option to debug dupe uuid issues
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Add -Ddebug.entities=true to your JVM flags to gain more information
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index dd9588cfdb9ea6f50c08af829a533319680c7e59..d0e077084b84e44336878410aa9a44fed7408670 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -76,6 +76,8 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
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private CraftEntity bukkitEntity;
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+ PlayerChunkMap.EntityTracker tracker; // Paper
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+ Throwable addedToWorldStack; // Paper - entity debug
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public CraftEntity getBukkitEntity() {
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if (bukkitEntity == null) {
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bukkitEntity = CraftEntity.getEntity(world.getServer(), this);
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diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index 8862bbd73b627e37709d46e6aeeee70c89cbd821..4bbcd00950405a4bf3ce391b557049a3b1d4aee8 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -1093,6 +1093,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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} else {
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PlayerChunkMap.EntityTracker playerchunkmap_entitytracker = new PlayerChunkMap.EntityTracker(entity, i, j, entitytypes.isDeltaTracking());
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+ entity.tracker = playerchunkmap_entitytracker; // Paper - Fast access to tracker
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this.trackedEntities.put(entity.getId(), playerchunkmap_entitytracker);
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playerchunkmap_entitytracker.track(this.world.getPlayers());
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if (entity instanceof EntityPlayer) {
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@@ -1134,7 +1135,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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if (playerchunkmap_entitytracker1 != null) {
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playerchunkmap_entitytracker1.a();
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}
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-
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+ entity.tracker = null; // Paper - We're no longer tracked
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}
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protected void g() {
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index dc00ad1607dc6b05f8cb13470046d72f17aa115b..6ebf3884a289d0be081d43d012ac10796740cc1e 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -68,6 +68,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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public boolean pvpMode;
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public boolean keepSpawnInMemory = true;
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public org.bukkit.generator.ChunkGenerator generator;
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+ public static final boolean DEBUG_ENTITIES = Boolean.getBoolean("debug.entities"); // Paper
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public boolean captureBlockStates = false;
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public boolean captureTreeGeneration = false;
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index 81cdfe2351e62461171e5658290d80bb9b735d7a..04e57c81d0e58a801ad8e842c48fc6a143de70f2 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -84,6 +84,9 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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public final Convertable.ConversionSession convertable;
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public final UUID uuid;
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boolean hasPhysicsEvent = true; // Paper
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+ private static Throwable getAddToWorldStackTrace(Entity entity) {
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+ return new Throwable(entity + " Added to world at " + new java.util.Date());
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+ }
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@Override public Chunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
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return this.chunkProvider.getChunkAt(x, z, false);
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@@ -922,8 +925,28 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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// CraftBukkit start
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private boolean addEntity0(Entity entity, CreatureSpawnEvent.SpawnReason spawnReason) {
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org.spigotmc.AsyncCatcher.catchOp("entity add"); // Spigot
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- if (entity.valid) { MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable()); return true; } // Paper
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+ // Paper start
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+ if (entity.valid) {
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+ MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable());
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+
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+ if (DEBUG_ENTITIES) {
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+ Throwable thr = entity.addedToWorldStack;
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+ if (thr == null) {
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+ MinecraftServer.LOGGER.error("Double add entity has no add stacktrace");
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+ } else {
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+ MinecraftServer.LOGGER.error("Double add stacktrace: ", thr);
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+ }
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+ }
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+ return true;
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+ }
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+ // Paper end
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if (entity.dead) {
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+ // Paper start
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+ if (DEBUG_ENTITIES) {
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+ new Throwable("Tried to add entity " + entity + " but it was marked as removed already").printStackTrace(); // CraftBukkit
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+ getAddToWorldStackTrace(entity).printStackTrace();
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+ }
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+ // Paper end
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// WorldServer.LOGGER.warn("Tried to add entity {} but it was marked as removed already", EntityTypes.getName(entity.getEntityType())); // CraftBukkit
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return false;
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} else if (this.isUUIDTaken(entity)) {
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@@ -1120,7 +1143,24 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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}
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}
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- this.entitiesByUUID.put(entity.getUniqueID(), entity);
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+ if (DEBUG_ENTITIES) {
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+ entity.addedToWorldStack = getAddToWorldStackTrace(entity);
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+ }
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+
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+ Entity old = this.entitiesByUUID.put(entity.getUniqueID(), entity);
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+ if (old != null && old.getId() != entity.getId() && old.valid) {
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+ Logger logger = LogManager.getLogger();
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+ logger.error("Overwrote an existing entity " + old + " with " + entity);
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+ if (DEBUG_ENTITIES) {
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+ if (old.addedToWorldStack != null) {
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+ old.addedToWorldStack.printStackTrace();
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+ } else {
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+ logger.error("Oddly, the old entity was not added to the world in the normal way. Plugins?");
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+ }
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+ entity.addedToWorldStack.printStackTrace();
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+ }
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+ }
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+
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this.getChunkProvider().addEntity(entity);
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// CraftBukkit start - SPIGOT-5278
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if (entity instanceof EntityDrowned) {
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