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 1d1f355a49e2324902feee10c1717fd772e359c6..d0b54ebc05cac6535a023709c76efd802f7150f9 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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@@ -118,8 +118,8 @@ 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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@@ -130,7 +130,13 @@ 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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@@ -162,6 +168,7 @@ public class ServerPlayerGameMode {
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double d3 = d0 * d0 + d1 * d1 + d2 * d2;
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if (d3 > 36.0D) {
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+ if (true) return; // Paper - Don't notify if unreasonably far away
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this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, false, "too far"));
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} else if (pos.getY() >= worldHeight) {
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this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, false, "too high"));
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@@ -294,10 +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.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); // 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 6976987320f168b422d9d430ab00d4b49dbd0d43..3dbd73a83942a693746d1565f92d163f912c9bde 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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@@ -1552,7 +1552,12 @@ 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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this.player.gameMode.handleBlockBreakAction(blockposition, packetplayinblockdig_enumplayerdigtype, packet.getDirection(), this.player.level.getMaxBuildHeight());
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+ // Paper end - Don't allow digging in unloaded chunks
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return;
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default:
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throw new IllegalArgumentException("Invalid player action");
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