diff options
Diffstat (limited to 'patches/server/0938-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch')
| -rw-r--r-- | patches/server/0938-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/patches/server/0938-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch b/patches/server/0938-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch new file mode 100644 index 0000000000..5c06384279 --- /dev/null +++ b/patches/server/0938-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch @@ -0,0 +1,171 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Aikar <[email protected]> +Date: Wed, 13 May 2020 23:01:26 -0400 +Subject: [PATCH] Protect Bedrock and End Portal/Frames from being destroyed + +This fixes exploits that let players destroy bedrock by Pistons, explosions +and Mushrooom/Tree generation. + +These blocks are designed to not be broken except by creative players/commands. +So protect them from a multitude of methods of destroying them. + +A config is provided if you rather let players use these exploits, and let +them destroy the worlds End Portals and get on top of the nether easy. + +diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java +index 083b72ebacfbba22af2230fb69b311aeee62cb6a..ba4006bc7dc31d10f37023cba7995a9621796f73 100644 +--- a/src/main/java/net/minecraft/world/level/Level.java ++++ b/src/main/java/net/minecraft/world/level/Level.java +@@ -445,6 +445,10 @@ public abstract class Level implements LevelAccessor, AutoCloseable { + public boolean setBlock(BlockPos pos, BlockState state, int flags, int maxUpdateDepth) { + // CraftBukkit start - tree generation + if (this.captureTreeGeneration) { ++ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed ++ BlockState type = getBlockState(pos); ++ if (!type.isDestroyable()) return false; ++ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed + CraftBlockState blockstate = this.capturedBlockStates.get(pos); + if (blockstate == null) { + blockstate = CapturedBlockState.getTreeBlockState(this, pos, flags); +diff --git a/src/main/java/net/minecraft/world/level/ServerExplosion.java b/src/main/java/net/minecraft/world/level/ServerExplosion.java +index 86656de31b1e33381eddd3ef210122118b31e620..fd1ecedfab037e377e4dded61539689bacc90f80 100644 +--- a/src/main/java/net/minecraft/world/level/ServerExplosion.java ++++ b/src/main/java/net/minecraft/world/level/ServerExplosion.java +@@ -150,6 +150,7 @@ public class ServerExplosion implements Explosion { + for (float f1 = 0.3F; f > 0.0F; f -= 0.22500001F) { + BlockPos blockposition = BlockPos.containing(d4, d5, d6); + BlockState iblockdata = this.level.getBlockState(blockposition); ++ if (!iblockdata.isDestroyable()) continue; // Paper - Protect Bedrock and End Portal/Frames from being destroyed + FluidState fluid = iblockdata.getFluidState(); // Paper - Perf: Optimize call to getFluid for explosions + + if (!this.level.isInWorldBounds(blockposition)) { +diff --git a/src/main/java/net/minecraft/world/level/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java +index dc242451f397ae6a30b830ef1f211f1a066423a4..0f7b73634930df02d7b0a7f44890597cc2e6deca 100644 +--- a/src/main/java/net/minecraft/world/level/block/Block.java ++++ b/src/main/java/net/minecraft/world/level/block/Block.java +@@ -88,6 +88,21 @@ public class Block extends BlockBehaviour implements ItemLike { + public static final int UPDATE_LIMIT = 512; + protected final StateDefinition<Block, BlockState> stateDefinition; + private BlockState defaultBlockState; ++ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed ++ public final boolean isDestroyable() { ++ return io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits || ++ this != Blocks.BARRIER && ++ this != Blocks.BEDROCK && ++ this != Blocks.END_PORTAL_FRAME && ++ this != Blocks.END_PORTAL && ++ this != Blocks.END_GATEWAY && ++ this != Blocks.COMMAND_BLOCK && ++ this != Blocks.REPEATING_COMMAND_BLOCK && ++ this != Blocks.CHAIN_COMMAND_BLOCK && ++ this != Blocks.STRUCTURE_BLOCK && ++ this != Blocks.JIGSAW; ++ } ++ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed + @Nullable + private Item item; + private static final int CACHE_SIZE = 256; +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 +index e841fccb8f298ef692677583b468869f56dc722c..4b51472502d08ea357da437afeb4b581979e9cff 100644 +--- a/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java ++++ b/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java +@@ -216,6 +216,12 @@ public class PistonBaseBlock extends DirectionalBlock { + @Override + protected boolean triggerEvent(BlockState state, Level world, BlockPos pos, int type, int data) { + Direction enumdirection = (Direction) state.getValue(PistonBaseBlock.FACING); ++ // 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) ++ Direction directionQueuedAs = Direction.from3DDataValue(data & 7); // Paper - copied from below ++ if (!io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits && enumdirection != directionQueuedAs) { ++ return false; ++ } ++ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed + BlockState iblockdata1 = (BlockState) state.setValue(PistonBaseBlock.EXTENDED, true); + + if (!world.isClientSide) { +@@ -256,7 +262,7 @@ public class PistonBaseBlock extends DirectionalBlock { + } + // Paper end - Fix sticky pistons and BlockPistonRetractEvent + world.setBlock(pos, iblockdata2, 20); +- world.setBlockEntity(MovingPistonBlock.newMovingBlockEntity(pos, iblockdata2, (BlockState) this.defaultBlockState().setValue(PistonBaseBlock.FACING, Direction.from3DDataValue(data & 7)), enumdirection, false, true)); ++ 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 + world.blockUpdated(pos, iblockdata2.getBlock()); + iblockdata2.updateNeighbourShapes(world, pos, 2); + if (this.isSticky) { +@@ -292,7 +298,14 @@ public class PistonBaseBlock extends DirectionalBlock { + } + } + } else { +- world.removeBlock(pos.relative(enumdirection), false); ++ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed; fix headless pistons breaking blocks ++ BlockPos headPos = pos.relative(enumdirection); ++ 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. ++ world.removeBlock(headPos, false); ++ } else { ++ ((ServerLevel) world).getChunkSource().blockChanged(headPos); // ... fix client desync ++ } ++ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed + } + + world.playSound((Player) null, pos, SoundEvents.PISTON_CONTRACT, SoundSource.BLOCKS, 0.5F, world.random.nextFloat() * 0.15F + 0.6F); +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 +index 1b988b92e80faa1ac224caf9f9e955ac43a4c45a..95d30c2db7e291d65c24feb114b0f3598d280912 100644 +--- a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java ++++ b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java +@@ -178,7 +178,7 @@ public abstract class BlockBehaviour implements FeatureElement { + } + + protected void onExplosionHit(BlockState state, ServerLevel world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stackMerger) { +- if (!state.isAir() && explosion.getBlockInteraction() != Explosion.BlockInteraction.TRIGGER_BLOCK) { ++ if (!state.isAir() && explosion.getBlockInteraction() != Explosion.BlockInteraction.TRIGGER_BLOCK && state.isDestroyable()) { // Paper - Protect Bedrock and End Portal/Frames from being destroyed + Block block = state.getBlock(); + boolean flag = explosion.getIndirectSourceEntity() instanceof Player; + +@@ -257,7 +257,7 @@ public abstract class BlockBehaviour implements FeatureElement { + } + + protected boolean canBeReplaced(BlockState state, BlockPlaceContext context) { +- return state.canBeReplaced() && (context.getItemInHand().isEmpty() || !context.getItemInHand().is(this.asItem())); ++ 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 + } + + protected boolean canBeReplaced(BlockState state, Fluid fluid) { +@@ -945,6 +945,12 @@ public abstract class BlockBehaviour implements FeatureElement { + return this.legacySolid; + } + ++ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed ++ public final boolean isDestroyable() { ++ return getBlock().isDestroyable(); ++ } ++ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed ++ + public boolean isValidSpawn(BlockGetter world, BlockPos pos, EntityType<?> type) { + return this.getBlock().properties.isValidSpawn.test(this.asState(), world, pos, type); + } +@@ -1048,7 +1054,7 @@ public abstract class BlockBehaviour implements FeatureElement { + } + + public PushReaction getPistonPushReaction() { +- return this.pushReaction; ++ return !this.isDestroyable() ? PushReaction.BLOCK : this.pushReaction; // Paper - Protect Bedrock and End Portal/Frames from being destroyed + } + + public boolean isSolidRender() { +diff --git a/src/main/java/net/minecraft/world/level/portal/PortalForcer.java b/src/main/java/net/minecraft/world/level/portal/PortalForcer.java +index eb409fb5e673d2a343813946cc59cb5da2328eec..83d294f6f48b867d09ea0d339c779011bf4138a5 100644 +--- a/src/main/java/net/minecraft/world/level/portal/PortalForcer.java ++++ b/src/main/java/net/minecraft/world/level/portal/PortalForcer.java +@@ -207,6 +207,13 @@ public class PortalForcer { + for (int j = -1; j < 3; ++j) { + for (int k = -1; k < 4; ++k) { + temp.setWithOffset(pos, portalDirection.getStepX() * j + enumdirection1.getStepX() * distanceOrthogonalToPortal, k, portalDirection.getStepZ() * j + enumdirection1.getStepZ() * distanceOrthogonalToPortal); ++ // Paper start - Protect Bedrock and End Portal/Frames from being destroyed ++ if (!io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits) { ++ if (!this.level.getBlockState(temp).isDestroyable()) { ++ return false; ++ } ++ } ++ // Paper end - Protect Bedrock and End Portal/Frames from being destroyed + if (k < 0 && !this.level.getBlockState(temp).isSolid()) { + return false; + } |