5c7081fecc
* Updated Upstream (Bukkit/CraftBukkit) 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: 45690fe9 SPIGOT-5047: Correct slot types for 1.14 inventories CraftBukkit Changes: 4090d01f SPIGOT-5047: Correct slot types for 1.14 inventories e8c08362 SPIGOT-5046: World#getLoadedChunks returning inaccessible cached chunks. d445af3b SPIGOT-5067: Add item meta for 1.14 spawn eggs * Bring Chunk load checks in-line with spigot As of the last upstream merge spigot now checks ticket level status when returning loaded chunks for a world from api. Now our checks will respect that decision. * Fix spawn ticket levels Vanilla would keep the inner chunks of spawn available for ticking, however my changes made all chunks non-ticking. Resolve by changing ticket levels for spawn chunks inside the border to respect this behavior. * Make World#getChunkIfLoadedImmediately return only entity ticking chunks Mojang appears to be using chunks with level > 33 (non-ticking chunks) as cached chunks and not actually loaded chunks. * Bring all loaded checks in line with spigot Loaded chunks must be at least border chunks, or level <= 33
93 lines
4.7 KiB
Diff
93 lines
4.7 KiB
Diff
From 4bf0a00095183386eafb31351d2a8fa6329fb22c Mon Sep 17 00:00:00 2001
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From: Joseph Hirschfeld <joe@ibj.io>
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Date: Thu, 3 Mar 2016 02:48:12 -0600
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Subject: [PATCH] Add velocity warnings
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index 28decd9e75..6820c5a2c7 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -230,6 +230,7 @@ public final class CraftServer implements Server {
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public boolean ignoreVanillaPermissions = false;
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private final List<CraftPlayer> playerView;
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public int reloadCount;
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+ public static Exception excessiveVelEx; // Paper - Velocity warnings
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static {
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ConfigurationSerialization.registerClass(CraftOfflinePlayer.class);
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index d1d37c06bf..ed496d03ae 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -405,10 +405,41 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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public void setVelocity(Vector velocity) {
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Preconditions.checkArgument(velocity != null, "velocity");
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velocity.checkFinite();
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+ // Paper start - Warn server owners when plugins try to set super high velocities
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+ if (!(this instanceof org.bukkit.entity.Projectile) && isUnsafeVelocity(velocity)) {
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+ CraftServer.excessiveVelEx = new Exception("Excessive velocity set detected: tried to set velocity of entity " + entity.getName() + " id #" + getEntityId() + " to (" + velocity.getX() + "," + velocity.getY() + "," + velocity.getZ() + ").");
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+ }
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+ // Paper end
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+
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entity.setMot(CraftVector.toNMS(velocity));
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entity.velocityChanged = true;
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}
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+ // Paper start
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+ /**
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+ * Checks if the given velocity is not necessarily safe in all situations.
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+ * This function returning true does not mean the velocity is dangerous or to be avoided, only that it may be
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+ * a detriment to performance on the server.
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+ *
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+ * It is not to be used as a hard rule of any sort.
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+ * Paper only uses it to warn server owners in watchdog crashes.
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+ *
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+ * @param vel incoming velocity to check
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+ * @return if the velocity has the potential to be a performance detriment
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+ */
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+ private static boolean isUnsafeVelocity(Vector vel) {
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+ final double x = vel.getX();
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+ final double y = vel.getY();
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+ final double z = vel.getZ();
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+
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+ if (x > 4 || x < -4 || y > 4 || y < -4 || z > 4 || z < -4) {
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+ return true;
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+ }
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+
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+ return false;
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+ }
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+ // Paper end
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+
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@Override
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public double getHeight() {
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return getHandle().getHeight();
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diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
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index 70b187190f..56f5f54bd1 100644
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--- a/src/main/java/org/spigotmc/WatchdogThread.java
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+++ b/src/main/java/org/spigotmc/WatchdogThread.java
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@@ -76,7 +76,19 @@ public class WatchdogThread extends Thread
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log.log( Level.SEVERE, "During the run of the server, a physics stackoverflow was supressed" );
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log.log( Level.SEVERE, "near " + net.minecraft.server.World.lastPhysicsProblem );
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}
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- //
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+ // Paper start - Warn in watchdog if an excessive velocity was ever set
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+ if ( org.bukkit.craftbukkit.CraftServer.excessiveVelEx != null )
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+ {
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+ log.log( Level.SEVERE, "------------------------------" );
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+ log.log( Level.SEVERE, "During the run of the server, a plugin set an excessive velocity on an entity" );
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+ log.log( Level.SEVERE, "This may be the cause of the issue, or it may be entirely unrelated" );
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+ log.log( Level.SEVERE, org.bukkit.craftbukkit.CraftServer.excessiveVelEx.getMessage());
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+ for ( StackTraceElement stack : org.bukkit.craftbukkit.CraftServer.excessiveVelEx.getStackTrace() )
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+ {
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+ log.log( Level.SEVERE, "\t\t" + stack );
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+ }
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+ }
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+ // Paper end
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log.log( Level.SEVERE, "------------------------------" );
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log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Paper!):" ); // Paper
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dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().serverThread.getId(), Integer.MAX_VALUE ), log );
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--
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2.21.0
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