diff options
Diffstat (limited to 'patches/server/0423-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch')
| -rw-r--r-- | patches/server/0423-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/patches/server/0423-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch b/patches/server/0423-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch new file mode 100644 index 0000000000..c3349320c4 --- /dev/null +++ b/patches/server/0423-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch @@ -0,0 +1,189 @@ +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/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java +index af43c63df3c82e910b77afd2a8899b8e6fc6db6d..045a49da7c17e48534b3bd5b7aa3968963681e6c 100644 +--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java ++++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java +@@ -435,4 +435,15 @@ public class PaperConfig { + private static void loggerSettings() { + deobfuscateStacktraces = getBoolean("settings.loggers.deobfuscate-stacktraces", deobfuscateStacktraces); + } ++ ++ public static boolean allowBlockPermanentBreakingExploits = false; ++ private static void allowBlockPermanentBreakingExploits() { ++ if (config.contains("allow-perm-block-break-exploits")) { ++ allowBlockPermanentBreakingExploits = config.getBoolean("allow-perm-block-break-exploits", false); ++ config.set("allow-perm-block-break-exploits", null); ++ } ++ ++ config.set("settings.unsupported-settings.allow-permanent-block-break-exploits-readme", "This setting controls if players should be able to break bedrock, end portals and other intended to be permanent blocks."); ++ allowBlockPermanentBreakingExploits = getBoolean("settings.unsupported-settings.allow-permanent-block-break-exploits", allowBlockPermanentBreakingExploits); ++ } + } +diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java +index fc1b86828c8a38950f7a26735d8f5d125ee3e914..0d6f33319521101bd10352d597b5e3e063ec443f 100644 +--- a/src/main/java/net/minecraft/world/level/Explosion.java ++++ b/src/main/java/net/minecraft/world/level/Explosion.java +@@ -174,6 +174,7 @@ public class Explosion { + for (float f1 = 0.3F; f > 0.0F; f -= 0.22500001F) { + BlockPos blockposition = new BlockPos(d4, d5, d6); + BlockState iblockdata = this.level.getBlockState(blockposition); ++ if (!iblockdata.isDestroyable()) continue; // Paper + FluidState fluid = iblockdata.getFluidState(); // Paper + + if (!this.level.isInWorldBounds(blockposition)) { +@@ -351,7 +352,7 @@ public class Explosion { + BlockState iblockdata = this.level.getBlockState(blockposition); + Block block = iblockdata.getBlock(); + +- if (!iblockdata.isAir()) { ++ if (!iblockdata.isAir() && iblockdata.isDestroyable()) { // Paper + BlockPos blockposition1 = blockposition.immutable(); + + this.level.getProfiler().push("explosion_blocks"); +diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java +index e4c2bd0131a54495fbd1930ad046225118e33186..4095b3ebacb8a55744fa99fea7e08d31e42d8b47 100644 +--- a/src/main/java/net/minecraft/world/level/Level.java ++++ b/src/main/java/net/minecraft/world/level/Level.java +@@ -414,6 +414,10 @@ 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 ++ BlockState type = getBlockState(pos); ++ if (!type.isDestroyable()) return false; ++ // Paper end + 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/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java +index 59a8d1984f3bcc94048a4ce3e530d21cc3f39d7f..17c369b49272ac72119708b507e6fa119343706e 100644 +--- a/src/main/java/net/minecraft/world/level/block/Block.java ++++ b/src/main/java/net/minecraft/world/level/block/Block.java +@@ -90,6 +90,19 @@ public class Block extends BlockBehaviour implements ItemLike { + protected final StateDefinition<Block, BlockState> stateDefinition; + private BlockState defaultBlockState; + // Paper start ++ public final boolean isDestroyable() { ++ return com.destroystokyo.paper.PaperConfig.allowBlockPermanentBreakingExploits || ++ 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.BARRIER && ++ this != Blocks.STRUCTURE_BLOCK && ++ this != Blocks.JIGSAW; ++ } + public co.aikar.timings.Timing timing; + public co.aikar.timings.Timing getTiming() { + if (timing == null) { +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 8f4b3bf0eba548a35b59232491c68d635e21123f..edb599da2431fa32f6e656dd3de8f4a6f5e2ed4f 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 +@@ -198,6 +198,12 @@ public class PistonBaseBlock extends DirectionalBlock { + @Override + public boolean triggerEvent(BlockState state, Level world, BlockPos pos, int type, int data) { + Direction enumdirection = (Direction) state.getValue(PistonBaseBlock.FACING); ++ // Paper start - 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 (!com.destroystokyo.paper.PaperConfig.allowBlockPermanentBreakingExploits && enumdirection != directionQueuedAs) { ++ return false; ++ } ++ // Paper end - prevent retracting when we're facing the wrong way + + if (!world.isClientSide) { + boolean flag = this.getNeighborSignal(world, pos, enumdirection); +@@ -230,7 +236,7 @@ public class PistonBaseBlock extends DirectionalBlock { + BlockState iblockdata1 = (BlockState) ((BlockState) Blocks.MOVING_PISTON.defaultBlockState().setValue(MovingPistonBlock.FACING, enumdirection)).setValue(MovingPistonBlock.TYPE, this.isSticky ? PistonType.STICKY : PistonType.DEFAULT); + + world.setBlock(pos, iblockdata1, 20); +- world.setBlockEntity(MovingPistonBlock.newMovingBlockEntity(pos, iblockdata1, (BlockState) this.defaultBlockState().setValue(PistonBaseBlock.FACING, Direction.from3DDataValue(data & 7)), enumdirection, false, true)); ++ world.setBlockEntity(MovingPistonBlock.newMovingBlockEntity(pos, iblockdata1, (BlockState) this.defaultBlockState().setValue(PistonBaseBlock.FACING, Direction.from3DDataValue(data & 7)), enumdirection, false, true)); // Paper - diff on change + world.blockUpdated(pos, iblockdata1.getBlock()); + iblockdata1.updateNeighbourShapes(world, pos, 2); + if (this.isSticky) { +@@ -259,7 +265,14 @@ public class PistonBaseBlock extends DirectionalBlock { + } + } + } else { +- world.removeBlock(pos.relative(enumdirection), false); ++ // Paper start - fix headless pistons breaking blocks ++ BlockPos headPos = pos.relative(enumdirection); ++ if (com.destroystokyo.paper.PaperConfig.allowBlockPermanentBreakingExploits || 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 - fix headless pistons breaking blocks + } + + 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 a5b7fbd940bf180b76017442ee7224761741fe52..fdb9a60ce9e1f8e3caabe1733e32e34146d4ddf3 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 +@@ -225,7 +225,7 @@ public abstract class BlockBehaviour { + /** @deprecated */ + @Deprecated + public boolean canBeReplaced(BlockState state, BlockPlaceContext context) { +- return this.material.isReplaceable() && (context.getItemInHand().isEmpty() || !context.getItemInHand().is(this.asItem())); ++ return this.material.isReplaceable() && (context.getItemInHand().isEmpty() || !context.getItemInHand().is(this.asItem())) && (state.isDestroyable() || (context.getPlayer() != null && context.getPlayer().getAbilities().instabuild)); // Paper + } + + /** @deprecated */ +@@ -707,7 +707,11 @@ public abstract class BlockBehaviour { + public Block getBlock() { + return (Block) this.owner; + } +- ++ // Paper start ++ public final boolean isDestroyable() { ++ return getBlock().isDestroyable(); ++ } ++ // Paper end + public Material getMaterial() { + return this.material; + } +@@ -805,7 +809,7 @@ public abstract class BlockBehaviour { + } + + public PushReaction getPistonPushReaction() { +- return this.getBlock().getPistonPushReaction(this.asState()); ++ return !isDestroyable() ? PushReaction.BLOCK : this.getBlock().getPistonPushReaction(this.asState()); // Paper + } + + public boolean isSolidRender(BlockGetter world, BlockPos pos) { +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 05150fbade1d5a9b3b6de8ad1f5e825f34d1037e..ed79058696eb26a89b9d4116821840dbad9ea449 100644 +--- a/src/main/java/net/minecraft/world/level/portal/PortalForcer.java ++++ b/src/main/java/net/minecraft/world/level/portal/PortalForcer.java +@@ -210,6 +210,13 @@ 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 - prevent destroying unbreakable blocks ++ if (!com.destroystokyo.paper.PaperConfig.allowBlockPermanentBreakingExploits) { ++ if (!this.level.getBlockState(temp).isDestroyable()) { ++ return false; ++ } ++ } ++ // Paper end - prevent destroying unbreakable blocks + if (k < 0 && !this.level.getBlockState(temp).getMaterial().isSolid()) { + return false; + } |