69 lines
4.3 KiB
Diff
69 lines
4.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sun, 11 Nov 2018 21:01:09 +0000
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Subject: [PATCH] Don't allow digging into unloaded chunks
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index 82b98839e554e02e196113d551881a524a3b1658..f45c4d1fdf7e23d23999f9ce78dcd25d9c608f49 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -1273,6 +1273,11 @@ public class PlayerConnection implements PacketListenerPlayIn {
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case START_DESTROY_BLOCK:
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case ABORT_DESTROY_BLOCK:
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case STOP_DESTROY_BLOCK:
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+ // Paper start - Don't allow digging in unloaded chunks
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+ if (this.player.world.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) == null) {
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+ return;
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+ }
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+ // Paper end - Don't allow digging in unloaded chunks
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this.player.playerInteractManager.a(blockposition, packetplayinblockdig_enumplayerdigtype, packetplayinblockdig.c(), this.minecraftServer.getMaxBuildHeight());
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return;
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default:
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diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
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index e2e5c17c24c8f5e9807ca879b1025d13cb195226..ed3f3362b640746649455f8dd2255ac2da03df7c 100644
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--- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
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+++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
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@@ -69,8 +69,8 @@ public class PlayerInteractManager {
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IBlockData iblockdata;
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if (this.i) {
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- iblockdata = this.world.getType(this.j);
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- if (iblockdata.isAir()) {
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+ iblockdata = this.world.getTypeIfLoaded(this.j); // Paper
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+ if (iblockdata == null || iblockdata.isAir()) { // Paper
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this.i = false;
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} else {
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float f = this.a(iblockdata, this.j, this.k);
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@@ -81,7 +81,13 @@ public class PlayerInteractManager {
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}
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}
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} else if (this.e) {
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- iblockdata = this.world.getType(this.g);
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+ // Paper start - don't want to do same logic as above, return instead
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+ iblockdata = this.world.getTypeIfLoaded(this.g);
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+ if (iblockdata == null) {
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+ this.e = false;
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+ return;
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+ }
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+ // Paper end
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if (iblockdata.isAir()) {
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this.world.a(this.player.getId(), this.g, -1);
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this.l = -1;
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@@ -253,10 +259,12 @@ public class PlayerInteractManager {
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this.player.playerConnection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.world.getType(blockposition), packetplayinblockdig_enumplayerdigtype, true, "stopped destroying"));
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} else if (packetplayinblockdig_enumplayerdigtype == PacketPlayInBlockDig.EnumPlayerDigType.ABORT_DESTROY_BLOCK) {
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this.e = false;
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- if (!Objects.equals(this.g, blockposition)) {
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+ if (!Objects.equals(this.g, blockposition) && !BlockPosition.ZERO.equals(this.g)) { // Paper
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PlayerInteractManager.LOGGER.debug("Mismatch in destroy block pos: " + this.g + " " + blockposition); // CraftBukkit - SPIGOT-5457 sent by client when interact event cancelled
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- this.world.a(this.player.getId(), this.g, -1);
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- this.player.playerConnection.sendPacket(new PacketPlayOutBlockBreak(this.g, this.world.getType(this.g), packetplayinblockdig_enumplayerdigtype, true, "aborted mismatched destroying"));
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+ IBlockData type = this.world.getTypeIfLoaded(this.g); // Paper - don't load unloaded chunks for stale records here
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+ if (type != null) this.world.a(this.player.getId(), this.g, -1); // Paper
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+ if (type != null) this.player.playerConnection.sendPacket(new PacketPlayOutBlockBreak(this.g, type, packetplayinblockdig_enumplayerdigtype, true, "aborted mismatched destroying")); // Paper
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+ this.g = BlockPosition.ZERO; // Paper
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}
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this.world.a(this.player.getId(), blockposition, -1);
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