Paper/Spigot-Server-Patches/0312-Don-t-allow-digging-into-unloaded-chunks.patch
Mariell a0b8b886c8
Updated Upstream (CraftBukkit/Spigot) (#4318)
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

CraftBukkit Changes:
d5a72960 SPIGOT-6063: ConsoleSender sending extra lines in Java 13+

Spigot Changes:
2740d5ae Rebuild patches
2020-09-12 15:57:21 -04:00

69 lines
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 1ec968d871d00e6589c8572eabda9d0fb8f8f226..4861666aa091554dea8aa6f8563547eceb26041e 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 0aa9b3a0d2aec8072fe32e43ed16946f22b29fab..b129d650c940d5b98f7dd04542c293e3f3045569 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);