PaperSpigot-Parent/Spigot-Server-Patches/0098-Add-velocity-warnings.patch

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2016-02-23 04:31:24 +01:00
From 34a2d7adb137bd4481b238bc5a80aaf0cbbbc7db Mon Sep 17 00:00:00 2001
From: Joseph Hirschfeld <joe@ibj.io>
Date: Mon, 22 Feb 2016 16:05:32 -0500
Subject: [PATCH] Add velocity warnings
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 5df3476..4f91799 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -25,6 +25,7 @@ import org.bukkit.permissions.PermissionAttachmentInfo;
import org.bukkit.permissions.ServerOperator;
import org.bukkit.plugin.Plugin;
import org.bukkit.util.Vector;
+import org.github.paperspigot.PaperSpigotConfig;
public abstract class CraftEntity implements org.bukkit.entity.Entity {
private static final PermissibleBase perm = new PermissibleBase(new ServerOperator() {
@@ -205,6 +206,15 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
public void setVelocity(Vector vel) {
+ // Paper start - warn server owners when plugins try to set super high velocities
+ if (PaperSpigotConfig.warnForExcessiveVelocity) {
+ if(vel.getX() > 4 || vel.getX() < -4 || vel.getY() > 4 || vel.getY() < -4 || vel.getZ() > 4 || vel.getZ() < -4) {
+ getServer().getLogger().warning("Excessive velocity set detected: tried to set velocity of entity #"+getEntityId()+" to ("+vel.getX()+","+vel.getY()+","+vel.getZ()+").");
+ Thread.dumpStack();
+ }
+ }
+ // Paper end
+
entity.motX = vel.getX();
entity.motY = vel.getY();
entity.motZ = vel.getZ();
diff --git a/src/main/java/org/github/paperspigot/PaperSpigotConfig.java b/src/main/java/org/github/paperspigot/PaperSpigotConfig.java
index ea5a427..d6d9899 100644
--- a/src/main/java/org/github/paperspigot/PaperSpigotConfig.java
+++ b/src/main/java/org/github/paperspigot/PaperSpigotConfig.java
@@ -216,4 +216,10 @@ public class PaperSpigotConfig
e.printStackTrace();
}
}
+
+ public static boolean warnForExcessiveVelocity;
+ private static void excessiveVelocityWarning()
+ {
+ warnForExcessiveVelocity = getBoolean("warnWhenSettingExcessiveVelocity", true);
+ }
}
--
2.7.1