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https://github.com/PaperMC/Paper.git
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* Update patches to handle vineflower decompiler * update patches again to handle inlined simple lambdas * update vf again and re-apply/rebuild patches * update patches after removal of verify-merges flag * fix compile issue * remove maven local * fix some issues * address more issues * fix collision patch * use paperweight release * more fixes * update fineflower and fix patches again * add missing comment descriptor --------- Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
78 lines
5.4 KiB
Diff
78 lines
5.4 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 a8d33286832786031ac57e6ce27d5181e1a3d9b1..e8b12b27e5ec74afb940f575e5ce78e5905d55f4 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 - Don't allow digging into unloaded chunks
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+ if (iblockdata == null || iblockdata.isAir()) { // Paper - Don't allow digging into unloaded chunks
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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 allow digging into unloaded chunks; 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 - Don't allow digging into unloaded chunks
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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 allow digging into unloaded chunks; 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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@@ -299,10 +306,12 @@ 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 0d9251ceb351b7d763420c49b0bf487907c42c55..358b6b493af3fcc52b274ccc43a18187b505e1f0 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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@@ -1590,6 +1590,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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 into 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 into 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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