geforkt von Mirrors/Paper
5b6dfb3463
This work is 100% unfinished. I am pushing it up so that we as a team can work on this update. Do not try to use this branch. You will fail.
96 Zeilen
4.7 KiB
Diff
96 Zeilen
4.7 KiB
Diff
From 65aee21930eec551b399471716a9252863124d57 Mon Sep 17 00:00:00 2001
|
|
From: Joseph Hirschfeld <joe@ibj.io>
|
|
Date: Thu, 3 Mar 2016 02:48:12 -0600
|
|
Subject: [PATCH] Add velocity warnings
|
|
|
|
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
|
|
index 32a05ca18..eaac1430e 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
|
|
@@ -189,6 +189,7 @@ public final class CraftServer implements Server {
|
|
public boolean ignoreVanillaPermissions = false;
|
|
private final List<CraftPlayer> playerView;
|
|
public int reloadCount;
|
|
+ public static Exception excessiveVelEx; // Paper - Velocity warnings
|
|
|
|
private final class BooleanWrapper {
|
|
private boolean value = true;
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
|
|
index 0daa15f1b..2b9c571ca 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
|
|
@@ -262,12 +262,44 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
|
|
public void setVelocity(Vector velocity) {
|
|
Preconditions.checkArgument(velocity != null, "velocity");
|
|
velocity.checkFinite();
|
|
+
|
|
+ // Paper start - Warn server owners when plugins try to set super high velocities
|
|
+ if (!(this instanceof org.bukkit.entity.Projectile) && isUnsafeVelocity(velocity)) {
|
|
+ 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() + ").");
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
entity.motX = velocity.getX();
|
|
entity.motY = velocity.getY();
|
|
entity.motZ = velocity.getZ();
|
|
entity.velocityChanged = true;
|
|
}
|
|
|
|
+ // Paper start
|
|
+ /**
|
|
+ * Checks if the given velocity is not necessarily safe in all situations.
|
|
+ * This function returning true does not mean the velocity is dangerous or to be avoided, only that it may be
|
|
+ * a detriment to performance on the server.
|
|
+ *
|
|
+ * It is not to be used as a hard rule of any sort.
|
|
+ * Paper only uses it to warn server owners in watchdog crashes.
|
|
+ *
|
|
+ * @param vel incoming velocity to check
|
|
+ * @return if the velocity has the potential to be a performance detriment
|
|
+ */
|
|
+ private static boolean isUnsafeVelocity(Vector vel) {
|
|
+ final double x = vel.getX();
|
|
+ final double y = vel.getY();
|
|
+ final double z = vel.getZ();
|
|
+
|
|
+ if (x > 4 || x < -4 || y > 4 || y < -4 || z > 4 || z < -4) {
|
|
+ return true;
|
|
+ }
|
|
+
|
|
+ return false;
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
@Override
|
|
public double getHeight() {
|
|
return getHandle().length;
|
|
diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
|
|
index 91b8aa6a1..0c106ea9c 100644
|
|
--- a/src/main/java/org/spigotmc/WatchdogThread.java
|
|
+++ b/src/main/java/org/spigotmc/WatchdogThread.java
|
|
@@ -66,7 +66,19 @@ public class WatchdogThread extends Thread
|
|
log.log( Level.SEVERE, "During the run of the server, a physics stackoverflow was supressed" );
|
|
log.log( Level.SEVERE, "near " + net.minecraft.server.World.blockLocation);
|
|
}
|
|
- //
|
|
+ // Paper start - Warn in watchdog if an excessive velocity was ever set
|
|
+ if ( org.bukkit.craftbukkit.CraftServer.excessiveVelEx != null )
|
|
+ {
|
|
+ log.log( Level.SEVERE, "------------------------------" );
|
|
+ log.log( Level.SEVERE, "During the run of the server, a plugin set an excessive velocity on an entity" );
|
|
+ log.log( Level.SEVERE, "This may be the cause of the issue, or it may be entirely unrelated" );
|
|
+ log.log( Level.SEVERE, org.bukkit.craftbukkit.CraftServer.excessiveVelEx.getMessage());
|
|
+ for ( StackTraceElement stack : org.bukkit.craftbukkit.CraftServer.excessiveVelEx.getStackTrace() )
|
|
+ {
|
|
+ log.log( Level.SEVERE, "\t\t" + stack );
|
|
+ }
|
|
+ }
|
|
+ // Paper end
|
|
log.log( Level.SEVERE, "------------------------------" );
|
|
log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Paper!):" );
|
|
dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().primaryThread.getId(), Integer.MAX_VALUE ), log );
|
|
--
|
|
2.18.0
|
|
|