mirror of https://github.com/PaperMC/Paper.git
69 lines
4.6 KiB
Diff
69 lines
4.6 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 315dad4789f5f2582ee9b4fc176affd1f57537ef..f4a056185990181e486f452960159a5287947382 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.getTypeIfLoaded(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.getTypeIfLoaded(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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@@ -295,10 +301,12 @@ public class ServerPlayerGameMode {
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this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, true, "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)) {
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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.player.connection.send(new ClientboundBlockBreakAckPacket(this.destroyPos, this.level.getBlockState(this.destroyPos), action, true, "aborted mismatched destroying"));
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+ BlockState type = this.level.getTypeIfLoaded(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); // Paper
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+ if (type != null) this.player.connection.send(new ClientboundBlockBreakAckPacket(this.destroyPos, type, action, true, "aborted mismatched destroying")); // Paper
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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 5999417f4a357a895757e13f9b69fc970595be2e..59154fbdba07e812ca99fbd2d3b70d24ae9dbfd5 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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@@ -1557,6 +1557,11 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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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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+ 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());
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return;
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default:
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