b62dfa0bf9
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: 39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers CraftBukkit Changes: 1cf8b5dc SPIGOT-4400: Populators running on existing chunks 116cb9a1 SPIGOT-4399: Add attribute modifier equality test 5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
62 lines
3.5 KiB
Diff
62 lines
3.5 KiB
Diff
From 96c325739ed00f1c7e01805d6c3fd11a457faac0 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] Configurable inter-world teleportation safety
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People are able to abuse the way Bukkit handles teleportation across worlds since it provides a built in teleportation
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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
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or door block. While they are in this block, they accept a teleport request from a player within a different world. Once
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the player teleports, Minecraft will recursively search upwards for a safe location, this could eventually land within a
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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.
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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 9db394d4ff..50837d767f 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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@@ -190,4 +190,9 @@ 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/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
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index 4320efaef5..9f2c7d3f45 100644
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--- a/src/main/java/net/minecraft/server/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/PlayerList.java
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@@ -792,7 +792,7 @@ public abstract class PlayerList {
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exitWorld.getTravelAgent().adjustExit(entityplayer, exit, velocity);
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entityplayer.worldChangeInvuln = true; // CraftBukkit - Set teleport invulnerability only if player changing worlds
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- this.moveToWorld(entityplayer, exitWorld.dimension, true, exit, true); // SPIGOT-3864
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+ this.moveToWorld(entityplayer, exitWorld.dimension, true, exit, !exitWorld.paperConfig.disableTeleportationSuffocationCheck); // SPIGOT-3864 // Paper GH-1149 - Tie suffocation check to config option
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if (entityplayer.motX != velocity.getX() || entityplayer.motY != velocity.getY() || entityplayer.motZ != velocity.getZ()) {
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entityplayer.getBukkitEntity().setVelocity(velocity);
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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 9e51645c30..15a99220ca 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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@@ -714,7 +714,8 @@ 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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2.19.0
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