89 lines
4.7 KiB
Diff
89 lines
4.7 KiB
Diff
From 29e2b7d741c5bf7cc70114c2dc52d60f41eaed8b 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 0088d6088a..56adea9cf4 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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@@ -75,6 +75,8 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
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protected CraftEntity bukkitEntity;
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+ EntityTrackerEntry 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/World.java b/src/main/java/net/minecraft/server/World.java
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index 2f79f9e947..f8c382cb69 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 IIBlockAccess, GeneratorAccess, AutoClose
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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 1ac79158c1..8515794059 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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@@ -77,6 +77,9 @@ public class WorldServer extends World {
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public final DimensionManager dimension;
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private int tickPosition;
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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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// Add env and gen to constructor
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public WorldServer(MinecraftServer minecraftserver, Executor executor, WorldNBTStorage worldnbtstorage, WorldData worlddata, DimensionManager dimensionmanager, GameProfilerFiller gameprofilerfiller, WorldLoadListener worldloadlistener, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen) {
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@@ -937,6 +940,12 @@ public class WorldServer extends World {
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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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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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@@ -1100,7 +1109,24 @@ public class WorldServer extends World {
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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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if (entity instanceof EntityInsentient) {
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this.I.add(((EntityInsentient) entity).getNavigation());
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--
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2.21.0
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