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0ddd20c6f7
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 CraftBukkit Changes: ead719a65 SPIGOT-7136: Cancelling PlayerInteractEntityEvent with the Allay desyncs 8468e167e SPIGOT-7137: StructureGrowEvent isFromBonemeal and getPlayer have incorrect values d45057c59 SPIGOT-7089: Crash when command blocks attempt to load worlds Spigot Changes: 450dcaa8 Rebuild patches
78 lines
5.2 KiB
Diff
78 lines
5.2 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/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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index 53717a4a2bfd841346c00b5f854899e23661122c..3fadf6b46cc722ad81cf810c0761cf717e9f9b78 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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@@ -119,8 +119,8 @@ public class ServerPlayerGameMode {
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BlockState iblockdata;
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if (this.hasDelayedDestroy) {
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- iblockdata = this.level.getBlockState(this.delayedDestroyPos);
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- if (iblockdata.isAir()) {
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+ iblockdata = this.level.getBlockStateIfLoaded(this.delayedDestroyPos); // Paper
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+ if (iblockdata == null || iblockdata.isAir()) { // Paper
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this.hasDelayedDestroy = false;
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} else {
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float f = this.incrementDestroyProgress(iblockdata, this.delayedDestroyPos, this.delayedTickStart);
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@@ -131,7 +131,13 @@ public class ServerPlayerGameMode {
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}
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}
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} else if (this.isDestroyingBlock) {
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- iblockdata = this.level.getBlockState(this.destroyPos);
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+ // Paper start - don't want to do same logic as above, return instead
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+ iblockdata = this.level.getBlockStateIfLoaded(this.destroyPos);
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+ if (iblockdata == null) {
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+ this.isDestroyingBlock = 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.level.destroyBlockProgress(this.player.getId(), this.destroyPos, -1);
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this.lastSentState = -1;
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@@ -160,6 +166,7 @@ public class ServerPlayerGameMode {
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public void handleBlockBreakAction(BlockPos pos, ServerboundPlayerActionPacket.Action action, Direction direction, int worldHeight, int sequence) {
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if (this.player.getEyePosition().distanceToSqr(Vec3.atCenterOf(pos)) > ServerGamePacketListenerImpl.MAX_INTERACTION_DISTANCE) {
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+ if (true) return; // Paper - Don't notify if unreasonably far away
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this.debugLogging(pos, false, sequence, "too far");
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} else if (pos.getY() >= worldHeight) {
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this.player.connection.send(new ClientboundBlockUpdatePacket(pos, this.level.getBlockState(pos)));
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@@ -296,10 +303,12 @@ public class ServerPlayerGameMode {
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this.debugLogging(pos, true, sequence, "stopped destroying");
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} else if (action == ServerboundPlayerActionPacket.Action.ABORT_DESTROY_BLOCK) {
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this.isDestroyingBlock = false;
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- if (!Objects.equals(this.destroyPos, pos)) {
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+ if (!Objects.equals(this.destroyPos, pos) && !BlockPos.ZERO.equals(this.destroyPos)) { // Paper
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ServerPlayerGameMode.LOGGER.debug("Mismatch in destroy block pos: {} {}", this.destroyPos, pos); // CraftBukkit - SPIGOT-5457 sent by client when interact event cancelled
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- this.level.destroyBlockProgress(this.player.getId(), this.destroyPos, -1);
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- this.debugLogging(pos, true, sequence, "aborted mismatched destroying");
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+ BlockState type = this.level.getBlockStateIfLoaded(this.destroyPos); // Paper - don't load unloaded chunks for stale records here
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+ if (type != null) this.level.destroyBlockProgress(this.player.getId(), this.destroyPos, -1);
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+ if (type != null) this.debugLogging(pos, true, sequence, "aborted mismatched destroying");
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+ this.destroyPos = BlockPos.ZERO; // Paper
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}
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this.level.destroyBlockProgress(this.player.getId(), pos, -1);
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 5beba7d1ba44bde3d9cefccc80b6b8795a47b945..e107aa00f51430a38e190be6d8b1ccba70a3c055 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -1675,6 +1675,12 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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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.level.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) == null) {
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+ this.player.connection.ackBlockChangesUpTo(packet.getSequence());
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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.gameMode.handleBlockBreakAction(blockposition, packetplayinblockdig_enumplayerdigtype, packet.getDirection(), this.player.level.getMaxBuildHeight(), packet.getSequence());
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this.player.connection.ackBlockChangesUpTo(packet.getSequence());
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return;
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