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Updated Upstream (Bukkit/CraftBukkit) 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 Bukkit Changes: f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox) 9321d665 Move getItemInUse up to LivingEntity 819eef73 PR-959: Add access to current item's remaining ticks c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem be8261ca Add support for Java 22 26119676 PR-979: Add more translation keys 66753362 PR-985: Correct book maximum pages and characters per page documentation c8be92fa PR-980: Improve getArmorContents() documentation f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent CraftBukkit Changes: dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox) 51bbab2b9 Move getItemInUse up to LivingEntity 668e09602 PR-1331: Add access to current item's remaining ticks a639406d1 SPIGOT-7601: Add AbstractArrow#getItem 0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list 2188dcfa9 Add support for Java 22 45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime" 06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime ca3bc3707 PR-1361: Add more translation keys 366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs 06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates 45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent 29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
170 lines
11 KiB
Diff
170 lines
11 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 13 May 2020 23:01:26 -0400
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Subject: [PATCH] Protect Bedrock and End Portal/Frames from being destroyed
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This fixes exploits that let players destroy bedrock by Pistons, explosions
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and Mushrooom/Tree generation.
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These blocks are designed to not be broken except by creative players/commands.
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So protect them from a multitude of methods of destroying them.
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A config is provided if you rather let players use these exploits, and let
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them destroy the worlds End Portals and get on top of the nether easy.
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diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
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index 217018dbdd78af4b89d9d4e7154956593dfa8dae..093c814d6835f20b1208236db96bb40b4611936c 100644
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--- a/src/main/java/net/minecraft/world/level/Explosion.java
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+++ b/src/main/java/net/minecraft/world/level/Explosion.java
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@@ -191,6 +191,7 @@ public class Explosion {
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for (float f1 = 0.3F; f > 0.0F; f -= 0.22500001F) {
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BlockPos blockposition = BlockPos.containing(d4, d5, d6);
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BlockState iblockdata = this.level.getBlockState(blockposition);
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+ if (!iblockdata.isDestroyable()) continue; // Paper - Protect Bedrock and End Portal/Frames from being destroyed
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FluidState fluid = iblockdata.getFluidState(); // Paper - Perf: Optimize call to getFluid for explosions
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if (!this.level.isInWorldBounds(blockposition)) {
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diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
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index 983dad7ecc58033ecb6f523f7aef24de122417e8..44d81cacbe3ec878f3af02f4fad974d75fc4db9e 100644
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--- a/src/main/java/net/minecraft/world/level/Level.java
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+++ b/src/main/java/net/minecraft/world/level/Level.java
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@@ -540,6 +540,10 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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public boolean setBlock(BlockPos pos, BlockState state, int flags, int maxUpdateDepth) {
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// CraftBukkit start - tree generation
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if (this.captureTreeGeneration) {
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+ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed
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+ BlockState type = getBlockState(pos);
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+ if (!type.isDestroyable()) return false;
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+ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed
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CraftBlockState blockstate = this.capturedBlockStates.get(pos);
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if (blockstate == null) {
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blockstate = CapturedBlockState.getTreeBlockState(this, pos, flags);
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diff --git a/src/main/java/net/minecraft/world/level/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java
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index 6896d46fce2e466ebee23ac2dc00312ec1beefdb..b60a52788e73de3dcb086c1a4628466b25c9d3ef 100644
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--- a/src/main/java/net/minecraft/world/level/block/Block.java
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+++ b/src/main/java/net/minecraft/world/level/block/Block.java
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@@ -90,6 +90,19 @@ public class Block extends BlockBehaviour implements ItemLike {
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protected final StateDefinition<Block, BlockState> stateDefinition;
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private BlockState defaultBlockState;
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// Paper start
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+ public final boolean isDestroyable() {
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+ return io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits ||
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+ this != Blocks.BEDROCK &&
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+ this != Blocks.END_PORTAL_FRAME &&
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+ this != Blocks.END_PORTAL &&
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+ this != Blocks.END_GATEWAY &&
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+ this != Blocks.COMMAND_BLOCK &&
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+ this != Blocks.REPEATING_COMMAND_BLOCK &&
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+ this != Blocks.CHAIN_COMMAND_BLOCK &&
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+ this != Blocks.BARRIER &&
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+ this != Blocks.STRUCTURE_BLOCK &&
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+ this != Blocks.JIGSAW;
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+ }
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public co.aikar.timings.Timing timing;
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public co.aikar.timings.Timing getTiming() {
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if (timing == null) {
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diff --git a/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java b/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java
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index 3dfe79684f662ac7cae4583bfe03a633438b4df7..be74adc86f0ca467f3b59e7b57fd47a8f381d86e 100644
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--- a/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java
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@@ -212,6 +212,12 @@ public class PistonBaseBlock extends DirectionalBlock {
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@Override
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public boolean triggerEvent(BlockState state, Level world, BlockPos pos, int type, int data) {
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Direction enumdirection = (Direction) state.getValue(PistonBaseBlock.FACING);
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+ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed; prevent retracting when we're facing the wrong way (we were replaced before retraction could occur)
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+ Direction directionQueuedAs = Direction.from3DDataValue(data & 7); // Paper - copied from below
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+ if (!io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits && enumdirection != directionQueuedAs) {
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+ return false;
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+ }
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+ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed
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BlockState iblockdata1 = (BlockState) state.setValue(PistonBaseBlock.EXTENDED, true);
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if (!world.isClientSide) {
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@@ -252,7 +258,7 @@ public class PistonBaseBlock extends DirectionalBlock {
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}
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// Paper end - Fix sticky pistons and BlockPistonRetractEvent
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world.setBlock(pos, iblockdata2, 20);
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- world.setBlockEntity(MovingPistonBlock.newMovingBlockEntity(pos, iblockdata2, (BlockState) this.defaultBlockState().setValue(PistonBaseBlock.FACING, Direction.from3DDataValue(data & 7)), enumdirection, false, true));
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+ world.setBlockEntity(MovingPistonBlock.newMovingBlockEntity(pos, iblockdata2, (BlockState) this.defaultBlockState().setValue(PistonBaseBlock.FACING, Direction.from3DDataValue(data & 7)), enumdirection, false, true)); // Paper - Protect Bedrock and End Portal/Frames from being destroyed; diff on change
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world.blockUpdated(pos, iblockdata2.getBlock());
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iblockdata2.updateNeighbourShapes(world, pos, 2);
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if (this.isSticky) {
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@@ -288,7 +294,14 @@ public class PistonBaseBlock extends DirectionalBlock {
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}
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}
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} else {
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- world.removeBlock(pos.relative(enumdirection), false);
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+ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed; fix headless pistons breaking blocks
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+ BlockPos headPos = pos.relative(enumdirection);
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+ if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits || world.getBlockState(headPos) == Blocks.PISTON_HEAD.defaultBlockState().setValue(FACING, enumdirection)) { // double check to make sure we're not a headless piston.
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+ world.removeBlock(headPos, false);
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+ } else {
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+ ((ServerLevel) world).getChunkSource().blockChanged(headPos); // ... fix client desync
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+ }
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+ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed
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}
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world.playSound((Player) null, pos, SoundEvents.PISTON_CONTRACT, SoundSource.BLOCKS, 0.5F, world.random.nextFloat() * 0.15F + 0.6F);
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diff --git a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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index e28ac8f7960f648099e5f3607530a406c72e5056..e493b34aa8726ed48f8e5db2ae8ea561cc5b1f75 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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@@ -189,7 +189,7 @@ public abstract class BlockBehaviour implements FeatureElement {
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/** @deprecated */
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@Deprecated
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public void onExplosionHit(BlockState state, Level world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stackMerger) {
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- if (!state.isAir() && explosion.getBlockInteraction() != Explosion.BlockInteraction.TRIGGER_BLOCK) {
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+ if (!state.isAir() && explosion.getBlockInteraction() != Explosion.BlockInteraction.TRIGGER_BLOCK && state.isDestroyable()) { // Paper - Protect Bedrock and End Portal/Frames from being destroyed
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Block block = state.getBlock();
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boolean flag = explosion.getIndirectSourceEntity() instanceof Player;
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@@ -285,7 +285,7 @@ public abstract class BlockBehaviour implements FeatureElement {
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/** @deprecated */
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@Deprecated
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public boolean canBeReplaced(BlockState state, BlockPlaceContext context) {
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- return state.canBeReplaced() && (context.getItemInHand().isEmpty() || !context.getItemInHand().is(this.asItem()));
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+ return state.canBeReplaced() && (context.getItemInHand().isEmpty() || !context.getItemInHand().is(this.asItem())) && (state.isDestroyable() || (context.getPlayer() != null && context.getPlayer().getAbilities().instabuild)); // Paper - Protect Bedrock and End Portal/Frames from being destroyed
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}
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/** @deprecated */
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@@ -965,6 +965,12 @@ public abstract class BlockBehaviour implements FeatureElement {
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return this.legacySolid;
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}
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+ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed
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+ public final boolean isDestroyable() {
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+ return getBlock().isDestroyable();
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+ }
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+ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed
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+
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public boolean isValidSpawn(BlockGetter world, BlockPos pos, EntityType<?> type) {
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return this.getBlock().properties.isValidSpawn.test(this.asState(), world, pos, type);
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}
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@@ -1068,7 +1074,7 @@ public abstract class BlockBehaviour implements FeatureElement {
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}
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public PushReaction getPistonPushReaction() {
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- return this.pushReaction;
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+ return !this.isDestroyable() ? PushReaction.BLOCK : this.pushReaction; // Paper - Protect Bedrock and End Portal/Frames from being destroyed
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}
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public boolean isSolidRender(BlockGetter world, BlockPos pos) {
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diff --git a/src/main/java/net/minecraft/world/level/portal/PortalForcer.java b/src/main/java/net/minecraft/world/level/portal/PortalForcer.java
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index afdd4ecbff21e2172b390bcbdf74f3c1bbddafcc..bb739f8584dd3847152314aa995800f51907da2f 100644
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--- a/src/main/java/net/minecraft/world/level/portal/PortalForcer.java
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+++ b/src/main/java/net/minecraft/world/level/portal/PortalForcer.java
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@@ -221,6 +221,13 @@ public class PortalForcer {
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for (int j = -1; j < 3; ++j) {
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for (int k = -1; k < 4; ++k) {
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temp.setWithOffset(pos, portalDirection.getStepX() * j + enumdirection1.getStepX() * distanceOrthogonalToPortal, k, portalDirection.getStepZ() * j + enumdirection1.getStepZ() * distanceOrthogonalToPortal);
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+ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed
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+ if (!io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits) {
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+ if (!this.level.getBlockState(temp).isDestroyable()) {
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+ return false;
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+ }
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+ }
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+ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed
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if (k < 0 && !this.level.getBlockState(temp).isSolid()) {
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return false;
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}
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