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Paper/Spigot-Server-Patches/0053-Configurable-inter-world-teleportation-safety.patch

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2.5 KiB
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From e42da3bd1c37f4c4600ef73b72650e45d95aa9c9 Mon Sep 17 00:00:00 2001
From: Sudzzy <originmc@outlook.com>
2016-03-01 00:09:49 +01:00
Date: Thu, 3 Mar 2016 02:50:31 -0600
Subject: [PATCH] Configurable inter-world teleportation safety
People are able to abuse the way Bukkit handles teleportation across worlds since it provides a built in teleportation
safety check.
To abuse the safety check, players are required to get into a location deemed unsafe by Bukkit e.g. be within a chest
or door block. While they are in this block, they accept a teleport request from a player within a different world. Once
the player teleports, Minecraft will recursively search upwards for a safe location, this could eventually land within a
player's skybase.
Example setup to perform the glitch: http://puu.sh/ng3PC/cf072dcbdb.png
The wanted destination was on top of the emerald block however the player ended on top of the diamond block.
This only is the case if the player is teleporting between worlds.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 5de4ec052..ba16bcc31 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -196,4 +196,9 @@ public class PaperWorldConfig {
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private void portalSearchRadius() {
portalSearchRadius = getInt("portal-search-radius", 128);
}
+
+ public boolean disableTeleportationSuffocationCheck;
+ private void disableTeleportationSuffocationCheck() {
+ disableTeleportationSuffocationCheck = getBoolean("disable-teleportation-suffocation-check", false);
+ }
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 7ca32d0be..b0a459d3f 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -754,7 +754,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
if (fromWorld == toWorld) {
entity.playerConnection.teleport(to);
} else {
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- server.getHandle().moveToWorld(entity, toWorld.getWorldProvider().getDimensionManager(), true, to, true);
+ server.getHandle().moveToWorld(entity, toWorld.getWorldProvider().getDimensionManager(), true, to, !toWorld.paperConfig.disableTeleportationSuffocationCheck);
}
return true;
}
--
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2.24.0