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Paper/Spigot-Server-Patches/0313-Don-t-allow-digging-into-unloaded-chunks.patch
Aikar 64ed429884
(FIRST 1.16.3): Update Paper to 1.16.3
This is a pretty tiny update with very little changed. Recommended to update
from 1.16.2 ASAP as 1.16.2 is now no longer supported.

Plugins should mostly remain working as the NMS revision did not change.
2020-09-10 19:47:58 -04:00

69 Zeilen
4.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 11 Nov 2018 21:01:09 +0000
Subject: [PATCH] Don't allow digging into unloaded chunks
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 1141bfc55a8aed4f2a519ab753d1ba0c9cadb465..e0e377812ef0a1a1ff1dd2ec3197d565fbe25159 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -1292,6 +1292,11 @@ public class PlayerConnection implements PacketListenerPlayIn {
case START_DESTROY_BLOCK:
case ABORT_DESTROY_BLOCK:
case STOP_DESTROY_BLOCK:
+ // Paper start - Don't allow digging in unloaded chunks
+ if (this.player.world.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) == null) {
+ return;
+ }
+ // Paper end - Don't allow digging in unloaded chunks
this.player.playerInteractManager.a(blockposition, packetplayinblockdig_enumplayerdigtype, packetplayinblockdig.c(), this.minecraftServer.getMaxBuildHeight());
return;
default:
diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
index 36cf4c332054a350ae193637f895a45a8b04da9b..a32490f0eb754b065ee34c41465176db78b1625d 100644
--- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
+++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
@@ -80,8 +80,8 @@ public class PlayerInteractManager {
IBlockData iblockdata;
if (this.j) {
- iblockdata = this.world.getType(this.k);
- if (iblockdata.isAir()) {
+ iblockdata = this.world.getTypeIfLoaded(this.k); // Paper
+ if (iblockdata == null || iblockdata.isAir()) { // Paper
this.j = false;
} else {
float f = this.a(iblockdata, this.k, this.l);
@@ -92,7 +92,13 @@ public class PlayerInteractManager {
}
}
} else if (this.f) {
- iblockdata = this.world.getType(this.h);
+ // Paper start - don't want to do same logic as above, return instead
+ iblockdata = this.world.getTypeIfLoaded(this.h);
+ if (iblockdata == null) {
+ this.f = false;
+ return;
+ }
+ // Paper end
if (iblockdata.isAir()) {
this.world.a(this.player.getId(), this.h, -1);
this.m = -1;
@@ -256,10 +262,12 @@ public class PlayerInteractManager {
this.player.playerConnection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.world.getType(blockposition), packetplayinblockdig_enumplayerdigtype, true, "stopped destroying"));
} else if (packetplayinblockdig_enumplayerdigtype == PacketPlayInBlockDig.EnumPlayerDigType.ABORT_DESTROY_BLOCK) {
this.f = false;
- if (!Objects.equals(this.h, blockposition)) {
+ if (!Objects.equals(this.h, blockposition) && !BlockPosition.ZERO.equals(this.h)) {
PlayerInteractManager.LOGGER.debug("Mismatch in destroy block pos: " + this.h + " " + blockposition); // CraftBukkit - SPIGOT-5457 sent by client when interact event cancelled
- this.world.a(this.player.getId(), this.h, -1);
- this.player.playerConnection.sendPacket(new PacketPlayOutBlockBreak(this.h, this.world.getType(this.h), packetplayinblockdig_enumplayerdigtype, true, "aborted mismatched destroying"));
+ IBlockData type = this.world.getTypeIfLoaded(this.h); // Paper - don't load unloaded chunks for stale records here
+ if (type != null) this.world.a(this.player.getId(), this.h, -1); // Paper
+ if (type != null) this.player.playerConnection.sendPacket(new PacketPlayOutBlockBreak(this.h, type, packetplayinblockdig_enumplayerdigtype, true, "aborted mismatched destroying")); // Paper
+ this.h = BlockPosition.ZERO; // Paper
}
this.world.a(this.player.getId(), blockposition, -1);