PaperMC/patches/server/0283-Don-t-allow-digging-into-unloaded-chunks.patch
Jake Potrebic 38be4f873b
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9018)
Upstream has released updates that appear 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:
2c64d8c4 SPIGOT-7309: Add API for jukebox inventories
a6d7e4ca PR-826: Add Sniffer API

CraftBukkit Changes:
93813509b SPIGOT-7309: Add API for jukebox inventories
2d5209e8d PR-1153: Handle teleport reason in spreadplayers command
f5b61387e SPIGOT-7308: Fix NullPointerException when calling Jukebox#setRecord()
388d458a6 SPIGOT-7306: Fix reset of coords in default teleportTo in EntityPlayer
40b87e1af PR-1150: Add Sniffer API and handle EntityItemDropEvent

Spigot Changes:
6ad4b93c SPIGOT-7298: Fix debug stick always permission left click toggle
2023-03-24 13:38:40 -07:00

77 lines
5.2 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/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 21401c872035d4dc46a05c066b321d99e0d94b72..618888eac8381b174850e351577601f1d881528d 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -119,8 +119,8 @@ public class ServerPlayerGameMode {
BlockState iblockdata;
if (this.hasDelayedDestroy) {
- iblockdata = this.level.getBlockState(this.delayedDestroyPos);
- if (iblockdata.isAir()) {
+ iblockdata = this.level.getBlockStateIfLoaded(this.delayedDestroyPos); // Paper
+ if (iblockdata == null || iblockdata.isAir()) { // Paper
this.hasDelayedDestroy = false;
} else {
float f = this.incrementDestroyProgress(iblockdata, this.delayedDestroyPos, this.delayedTickStart);
@@ -131,7 +131,13 @@ public class ServerPlayerGameMode {
}
}
} else if (this.isDestroyingBlock) {
- iblockdata = this.level.getBlockState(this.destroyPos);
+ // Paper start - don't want to do same logic as above, return instead
+ iblockdata = this.level.getBlockStateIfLoaded(this.destroyPos);
+ if (iblockdata == null) {
+ this.isDestroyingBlock = false;
+ return;
+ }
+ // Paper end
if (iblockdata.isAir()) {
this.level.destroyBlockProgress(this.player.getId(), this.destroyPos, -1);
this.lastSentState = -1;
@@ -160,6 +166,7 @@ public class ServerPlayerGameMode {
public void handleBlockBreakAction(BlockPos pos, ServerboundPlayerActionPacket.Action action, Direction direction, int worldHeight, int sequence) {
if (this.player.getEyePosition().distanceToSqr(Vec3.atCenterOf(pos)) > ServerGamePacketListenerImpl.MAX_INTERACTION_DISTANCE) {
+ if (true) return; // Paper - Don't notify if unreasonably far away
this.debugLogging(pos, false, sequence, "too far");
} else if (pos.getY() >= worldHeight) {
this.player.connection.send(new ClientboundBlockUpdatePacket(pos, this.level.getBlockState(pos)));
@@ -304,10 +311,12 @@ public class ServerPlayerGameMode {
this.debugLogging(pos, true, sequence, "stopped destroying");
} else if (action == ServerboundPlayerActionPacket.Action.ABORT_DESTROY_BLOCK) {
this.isDestroyingBlock = false;
- if (!Objects.equals(this.destroyPos, pos)) {
+ if (!Objects.equals(this.destroyPos, pos) && !BlockPos.ZERO.equals(this.destroyPos)) { // Paper
ServerPlayerGameMode.LOGGER.debug("Mismatch in destroy block pos: {} {}", this.destroyPos, pos); // CraftBukkit - SPIGOT-5457 sent by client when interact event cancelled
- this.level.destroyBlockProgress(this.player.getId(), this.destroyPos, -1);
- this.debugLogging(pos, true, sequence, "aborted mismatched destroying");
+ BlockState type = this.level.getBlockStateIfLoaded(this.destroyPos); // Paper - don't load unloaded chunks for stale records here
+ if (type != null) this.level.destroyBlockProgress(this.player.getId(), this.destroyPos, -1);
+ if (type != null) this.debugLogging(pos, true, sequence, "aborted mismatched destroying");
+ this.destroyPos = BlockPos.ZERO; // Paper
}
this.level.destroyBlockProgress(this.player.getId(), pos, -1);
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index e5c17c81b0265a9854a59779983f8af0e749dd99..43304fd4aba9c5d3d31499b813c9c39934918cea 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1658,6 +1658,12 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
case START_DESTROY_BLOCK:
case ABORT_DESTROY_BLOCK:
case STOP_DESTROY_BLOCK:
+ // Paper start - Don't allow digging in unloaded chunks
+ if (this.player.level.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) == null) {
+ this.player.connection.ackBlockChangesUpTo(packet.getSequence());
+ return;
+ }
+ // Paper end - Don't allow digging in unloaded chunks
this.player.gameMode.handleBlockBreakAction(blockposition, packetplayinblockdig_enumplayerdigtype, packet.getDirection(), this.player.level.getMaxBuildHeight(), packet.getSequence());
this.player.connection.ackBlockChangesUpTo(packet.getSequence());
return;