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44 lines
2.4 KiB
Diff
44 lines
2.4 KiB
Diff
From fa4d2110a0ca3cc431097ca324b6e370212f8ac4 Mon Sep 17 00:00:00 2001
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From: Sudzzy <originmc@outlook.com>
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Date: Thu, 3 Mar 2016 02:50:31 -0600
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Subject: [PATCH] Fix inter-world teleportation glitches
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People are able to abuse the way Bukkit handles teleportation across worlds since it provides a built in teleportation safety check.
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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.
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Example setup to perform the glitch: http://puu.sh/ng3PC/cf072dcbdb.png
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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 4cc74cd65..fa49397ea 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -239,4 +239,9 @@ public class PaperWorldConfig {
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private void portalSearchRadius() {
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portalSearchRadius = getInt("portal-search-radius", 128);
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}
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+
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+ public boolean disableTeleportationSuffocationCheck;
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+ private void disableTeleportationSuffocationCheck() {
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+ disableTeleportationSuffocationCheck = getBoolean("disable-teleportation-suffocation-check", false);
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+ }
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}
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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 0e7086da3..d72ff0af2 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -579,7 +579,8 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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if (fromWorld == toWorld) {
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entity.playerConnection.teleport(to);
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} else {
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- server.getHandle().moveToWorld(entity, toWorld.dimension, true, to, true);
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+ // Paper - Configurable suffocation check
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+ server.getHandle().moveToWorld(entity, toWorld.dimension, true, to, !toWorld.paperConfig.disableTeleportationSuffocationCheck);
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}
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return true;
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}
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--
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2.12.2
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