From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Max Lee Date: Thu, 27 May 2021 14:52:30 -0700 Subject: [PATCH] Fix invulnerable end crystals MC-108513 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java index a132f4a5dddf2c895712e5393dfe3d6d1656b6d1..37d438d131bd66c46a650a48c70af1fde5665fc7 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -787,5 +787,10 @@ public class PaperWorldConfig { private void fixItemsMergingThroughWalls() { fixItemsMergingThroughWalls = getBoolean("fix-items-merging-through-walls", fixItemsMergingThroughWalls); } + + public boolean fixInvulnerableEndCrystalExploit = true; + private void fixInvulnerableEndCrystalExploit() { + fixInvulnerableEndCrystalExploit = getBoolean("unsupported-settings.fix-invulnerable-end-crystal-exploit", fixInvulnerableEndCrystalExploit); + } } diff --git a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java index 2c4c1fc2a2afe88864b72d86708a3ddb6a1f50a0..b643a2449e329560c936c0a06fb4cc494d0737a7 100644 --- a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java +++ b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java @@ -31,6 +31,7 @@ public class EndCrystal extends Entity { private static final EntityDataAccessor> DATA_BEAM_TARGET = SynchedEntityData.defineId(EndCrystal.class, EntityDataSerializers.OPTIONAL_BLOCK_POS); private static final EntityDataAccessor DATA_SHOW_BOTTOM = SynchedEntityData.defineId(EndCrystal.class, EntityDataSerializers.BOOLEAN); public int time; + public boolean generatedByDragonFight = false; // Paper - Fix invulnerable end crystals public EndCrystal(EntityType type, Level world) { super(type, world); @@ -67,6 +68,17 @@ public class EndCrystal extends Entity { } // CraftBukkit end } + // Paper start - Fix invulnerable end crystals + if (this.level.paperConfig.fixInvulnerableEndCrystalExploit && this.generatedByDragonFight && this.isInvulnerable()) { + if (!java.util.Objects.equals(((ServerLevel) this.level).uuid, this.getOriginWorld()) + || ((ServerLevel) this.level).dragonFight() == null + || ((ServerLevel) this.level).dragonFight().respawnStage == null + || ((ServerLevel) this.level).dragonFight().respawnStage.ordinal() > net.minecraft.world.level.dimension.end.DragonRespawnAnimation.SUMMONING_DRAGON.ordinal()) { + this.setInvulnerable(false); + this.setBeamTarget(null); + } + } + // Paper end } } @@ -78,6 +90,7 @@ public class EndCrystal extends Entity { } nbt.putBoolean("ShowBottom", this.showsBottom()); + if (this.generatedByDragonFight) nbt.putBoolean("Paper.GeneratedByDragonFight", this.generatedByDragonFight); // Paper - Fix invulnerable end crystals } @Override @@ -89,6 +102,7 @@ public class EndCrystal extends Entity { if (nbt.contains("ShowBottom", 1)) { this.setShowBottom(nbt.getBoolean("ShowBottom")); } + if (nbt.contains("Paper.GeneratedByDragonFight", 1)) this.generatedByDragonFight = nbt.getBoolean("Paper.GeneratedByDragonFight"); // Paper - Fix invulnerable end crystals } diff --git a/src/main/java/net/minecraft/world/level/levelgen/feature/SpikeFeature.java b/src/main/java/net/minecraft/world/level/levelgen/feature/SpikeFeature.java index 1e53d4bef86349eaa1356444a80ae92d4311ccce..c03bf5bdb67b00c75f9fcfead882c4d944282244 100644 --- a/src/main/java/net/minecraft/world/level/levelgen/feature/SpikeFeature.java +++ b/src/main/java/net/minecraft/world/level/levelgen/feature/SpikeFeature.java @@ -99,6 +99,7 @@ public class SpikeFeature extends Feature { endCrystal.setBeamTarget(config.getCrystalBeamTarget()); endCrystal.setInvulnerable(config.isCrystalInvulnerable()); endCrystal.moveTo((double)spike.getCenterX() + 0.5D, (double)(spike.getHeight() + 1), (double)spike.getCenterZ() + 0.5D, random.nextFloat() * 360.0F, 0.0F); + endCrystal.generatedByDragonFight = true; // Paper world.addFreshEntity(endCrystal); this.setBlock(world, new BlockPos(spike.getCenterX(), spike.getHeight(), spike.getCenterZ()), Blocks.BEDROCK.defaultBlockState()); }