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827cc63263
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 Bukkit Changes: ffc8e4ca SPIGOT-5716: Clarify documentation of MultipleFacing CraftBukkit Changes:d07a78b1SPIGOT-5716: Clarify documentation of MultipleFacing46a13860SPIGOT-5718: Block.BreakBlockNaturally does not reflect tool used214ffea9SPIGOT-5727: GameRule doImmediateRespawn cannot be set per-world Spigot Changes: 2f5d615f SPIGOT-5730: Modernise inventory patch a2bdb119 SPIGOT-5679: Add config option for end portal activation sound Closes #3352
80 lines
3.7 KiB
Diff
80 lines
3.7 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: Sun, 29 Mar 2020 18:26:14 -0400
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Subject: [PATCH] Ensure Entity is never double registered
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If something calls register twice, and the world is ticking, it could be
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enqueued to add twice.
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Vs behavior of non ticking of just overwriting state.
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We will now simply log a warning when this happens instead of crashing the server.
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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 7bdd3f19b2bc51c4f995d42fcd47e0e315310bff..7434f859f7f9acff0f881ff594c8dffdfa249c76 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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@@ -59,6 +59,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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// Paper start
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+ boolean isQueuedForRegister = false;
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public static Random SHARED_RANDOM = new Random() {
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private boolean locked = false;
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@Override
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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 be61f898cc96afeffe6ff2eb0ae3c4ce8da10b80..e635839673b767c630d0d3a2a7c370b05bba7164 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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@@ -532,6 +532,7 @@ public class WorldServer extends World {
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try (co.aikar.timings.Timing ignored = this.timings.newEntities.startTiming()) { // Paper - timings
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while ((entity = (Entity) this.entitiesToAdd.poll()) != null) {
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+ if (!entity.isQueuedForRegister) continue; // Paper - ignore cancelled registers
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this.registerEntity(entity);
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}
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} // Paper - timings
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@@ -1338,6 +1339,19 @@ public class WorldServer extends World {
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public void unregisterEntity(Entity entity) {
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org.spigotmc.AsyncCatcher.catchOp("entity unregister"); // Spigot
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+ // Paper start - fix entity registration issues
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+ if (entity instanceof EntityComplexPart) {
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+ // Usually this is a no-op for complex parts, and ID's should be removed, but go ahead and remove it anyways
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+ // Dragon parts are handled special in register. they don't receive a valid = true or register by UUID etc.
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+ this.entitiesById.remove(entity.getId(), entity);
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+ return;
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+ }
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+ if (!entity.valid) {
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+ // Someone called remove before we ever got added, cancel the add.
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+ entity.isQueuedForRegister = false;
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+ return;
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+ }
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+ // Paper end
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// Spigot start
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if ( entity instanceof EntityHuman )
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{
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@@ -1404,9 +1418,21 @@ public class WorldServer extends World {
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private void registerEntity(Entity entity) {
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org.spigotmc.AsyncCatcher.catchOp("entity register"); // Spigot
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+ // Paper start - don't double enqueue entity registration
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+ //noinspection ObjectEquality
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+ if (this.entitiesById.get(entity.getId()) == entity) {
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+ LOGGER.error(entity + " was already registered!");
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+ new Throwable().printStackTrace();
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+ return;
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+ }
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+ // Paper end
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if (this.tickingEntities) {
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- this.entitiesToAdd.add(entity);
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+ if (!entity.isQueuedForRegister) { // Paper
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+ this.entitiesToAdd.add(entity);
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+ entity.isQueuedForRegister = true; // Paper
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+ }
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} else {
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+ entity.isQueuedForRegister = false; // Paper
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this.entitiesById.put(entity.getId(), entity);
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if (entity instanceof EntityEnderDragon) {
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EntityComplexPart[] aentitycomplexpart = ((EntityEnderDragon) entity).eo();
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