From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Wed, 2 Mar 2016 02:17:54 -0600
Subject: [PATCH] Flat bedrock generator settings
Co-authored-by: Noah van der Aa <ndvdaa@gmail.com>
diff --git a/src/main/java/net/minecraft/data/worldgen/SurfaceRuleData.java b/src/main/java/net/minecraft/data/worldgen/SurfaceRuleData.java
index 06e1774dfbb667aca69bc30c9675ed472cb5728c..2f9ba60c0196c3722fbf5a44fbbcf22a85d438db 100644
--- a/src/main/java/net/minecraft/data/worldgen/SurfaceRuleData.java
+++ b/src/main/java/net/minecraft/data/worldgen/SurfaceRuleData.java
@@ -53,6 +53,66 @@ public class SurfaceRuleData {
return overworldLike(true, false, true);
}
+ // Paper start
+ // Taken from SurfaceRules$VerticalGradientConditionSource
+ // isRoof = true if roof, false if floor
+ public record PaperBedrockConditionSource(net.minecraft.resources.ResourceLocation randomName, VerticalAnchor trueAtAndBelow, VerticalAnchor falseAtAndAbove, boolean isRoof) implements SurfaceRules.ConditionSource {
+
+ public static final net.minecraft.util.KeyDispatchDataCodec<PaperBedrockConditionSource> CODEC = net.minecraft.util.KeyDispatchDataCodec.of(com.mojang.serialization.codecs.RecordCodecBuilder.<PaperBedrockConditionSource>mapCodec((instance) -> {
+ return instance.group(
+ net.minecraft.resources.ResourceLocation.CODEC.fieldOf("random_name").forGetter(PaperBedrockConditionSource::randomName),
+ VerticalAnchor.CODEC.fieldOf("true_at_and_below").forGetter(PaperBedrockConditionSource::trueAtAndBelow),
+ VerticalAnchor.CODEC.fieldOf("false_at_and_above").forGetter(PaperBedrockConditionSource::falseAtAndAbove),
+ com.mojang.serialization.Codec.BOOL.fieldOf("roof").forGetter(PaperBedrockConditionSource::isRoof)
+ ).apply(instance, PaperBedrockConditionSource::new);
+ }));
+
+ public PaperBedrockConditionSource(String randomName, net.minecraft.world.level.levelgen.VerticalAnchor trueAtAndBelow, net.minecraft.world.level.levelgen.VerticalAnchor falseAtAndAbove, boolean invert) {
+ this(new net.minecraft.resources.ResourceLocation(randomName), trueAtAndBelow, falseAtAndAbove, invert);
+ }
+
+ @Override
+ public net.minecraft.util.KeyDispatchDataCodec<PaperBedrockConditionSource>codec() {
+ return CODEC;
+ }
+
+ @Override
+ public SurfaceRules.Condition apply(SurfaceRules.Context context) {
+ boolean hasFlatBedrock = context.context.getWorld().paperConfig().environment.generateFlatBedrock;
+ int trueAtY = this.trueAtAndBelow().resolveY(context.context);
+ int falseAtY = this.falseAtAndAbove().resolveY(context.context);
+
+ int y = isRoof ? Math.max(falseAtY, trueAtY) - 1 : Math.min(falseAtY, trueAtY) ;
+ final int i = hasFlatBedrock ? y : trueAtY;
+ final int j = hasFlatBedrock ? y : falseAtY;
+ // TODO access transformer for randomState
+ final net.minecraft.world.level.levelgen.PositionalRandomFactory positionalRandomFactory = context.randomState.getOrCreateRandomFactory(this.randomName());
+
+ class VerticalGradientCondition extends SurfaceRules.LazyYCondition {
+ VerticalGradientCondition(SurfaceRules.Context context) {
+ super(context);
+ }
+
+ @Override
+ protected boolean compute() {
+ int y = this.context.blockY;
+ if (y <= i) {
+ return true;
+ } else if (y >= j) {
+ return false;
+ } else {
+ double d = net.minecraft.util.Mth.map((double) y, (double) i, (double) j, 1.0D, 0.0D);
+ net.minecraft.util.RandomSource randomSource = positionalRandomFactory.at(this.context.blockX, i, this.context.blockZ);
+ return (double) randomSource.nextFloat() < d;
+ }
+ }
+ }
+
+ return new VerticalGradientCondition(context);
+ }
+ }
+ // Paper end
+
public static SurfaceRules.RuleSource overworldLike(boolean surface, boolean bedrockRoof, boolean bedrockFloor) {
SurfaceRules.ConditionSource conditionSource = SurfaceRules.yBlockCheck(VerticalAnchor.absolute(97), 2);
SurfaceRules.ConditionSource conditionSource2 = SurfaceRules.yBlockCheck(VerticalAnchor.absolute(256), 0);
@@ -83,11 +143,11 @@ public class SurfaceRuleData {
SurfaceRules.RuleSource ruleSource9 = SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.WOODED_BADLANDS), SurfaceRules.ifTrue(conditionSource, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource16, COARSE_DIRT), SurfaceRules.ifTrue(conditionSource17, COARSE_DIRT), SurfaceRules.ifTrue(conditionSource18, COARSE_DIRT), ruleSource))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.SWAMP), SurfaceRules.ifTrue(conditionSource6, SurfaceRules.ifTrue(SurfaceRules.not(conditionSource7), SurfaceRules.ifTrue(SurfaceRules.noiseCondition(Noises.SWAMP, 0.0D), WATER)))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.MANGROVE_SWAMP), SurfaceRules.ifTrue(conditionSource5, SurfaceRules.ifTrue(SurfaceRules.not(conditionSource7), SurfaceRules.ifTrue(SurfaceRules.noiseCondition(Noises.SWAMP, 0.0D), WATER)))))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.BADLANDS, Biomes.ERODED_BADLANDS, Biomes.WOODED_BADLANDS), SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource2, ORANGE_TERRACOTTA), SurfaceRules.ifTrue(conditionSource4, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource16, TERRACOTTA), SurfaceRules.ifTrue(conditionSource17, TERRACOTTA), SurfaceRules.ifTrue(conditionSource18, TERRACOTTA), SurfaceRules.bandlands())), SurfaceRules.ifTrue(conditionSource8, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.ON_CEILING, RED_SANDSTONE), RED_SAND)), SurfaceRules.ifTrue(SurfaceRules.not(conditionSource11), ORANGE_TERRACOTTA), SurfaceRules.ifTrue(conditionSource10, WHITE_TERRACOTTA), ruleSource3)), SurfaceRules.ifTrue(conditionSource3, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource7, SurfaceRules.ifTrue(SurfaceRules.not(conditionSource4), ORANGE_TERRACOTTA)), SurfaceRules.bandlands())), SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, SurfaceRules.ifTrue(conditionSource10, WHITE_TERRACOTTA)))), SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.ifTrue(conditionSource8, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource12, SurfaceRules.ifTrue(conditionSource11, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource9, AIR), SurfaceRules.ifTrue(SurfaceRules.temperature(), ICE), WATER))), ruleSource8))), SurfaceRules.ifTrue(conditionSource10, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.ifTrue(conditionSource12, SurfaceRules.ifTrue(conditionSource11, WATER))), SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, ruleSource7), SurfaceRules.ifTrue(conditionSource14, SurfaceRules.ifTrue(SurfaceRules.DEEP_UNDER_FLOOR, SANDSTONE)), SurfaceRules.ifTrue(conditionSource15, SurfaceRules.ifTrue(SurfaceRules.VERY_DEEP_UNDER_FLOOR, SANDSTONE)))), SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.FROZEN_PEAKS, Biomes.JAGGED_PEAKS), STONE), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.WARM_OCEAN, Biomes.LUKEWARM_OCEAN, Biomes.DEEP_LUKEWARM_OCEAN), ruleSource2), ruleSource3)));
ImmutableList.Builder<SurfaceRules.RuleSource> builder = ImmutableList.builder();
if (bedrockRoof) {
- builder.add(SurfaceRules.ifTrue(SurfaceRules.not(SurfaceRules.verticalGradient("bedrock_roof", VerticalAnchor.belowTop(5), VerticalAnchor.top())), BEDROCK));
+ builder.add(SurfaceRules.ifTrue(SurfaceRules.not(new PaperBedrockConditionSource("bedrock_roof", VerticalAnchor.belowTop(5), VerticalAnchor.top(), true)), BEDROCK)); // Paper
}
if (bedrockFloor) {
- builder.add(SurfaceRules.ifTrue(SurfaceRules.verticalGradient("bedrock_floor", VerticalAnchor.bottom(), VerticalAnchor.aboveBottom(5)), BEDROCK));
+ builder.add(SurfaceRules.ifTrue(new PaperBedrockConditionSource("bedrock_floor", VerticalAnchor.bottom(), VerticalAnchor.aboveBottom(5), false), BEDROCK)); // Paper
}
SurfaceRules.RuleSource ruleSource10 = SurfaceRules.ifTrue(SurfaceRules.abovePreliminarySurface(), ruleSource9);
@@ -112,7 +172,7 @@ public class SurfaceRuleData {
SurfaceRules.ConditionSource conditionSource11 = SurfaceRules.noiseCondition(Noises.NETHER_WART, 1.17D);
SurfaceRules.ConditionSource conditionSource12 = SurfaceRules.noiseCondition(Noises.NETHER_STATE_SELECTOR, 0.0D);
SurfaceRules.RuleSource ruleSource = SurfaceRules.ifTrue(conditionSource9, SurfaceRules.ifTrue(conditionSource3, SurfaceRules.ifTrue(conditionSource4, GRAVEL)));
- return SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.verticalGradient("bedrock_floor", VerticalAnchor.bottom(), VerticalAnchor.aboveBottom(5)), BEDROCK), SurfaceRules.ifTrue(SurfaceRules.not(SurfaceRules.verticalGradient("bedrock_roof", VerticalAnchor.belowTop(5), VerticalAnchor.top())), BEDROCK), SurfaceRules.ifTrue(conditionSource5, NETHERRACK), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.BASALT_DELTAS), SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.UNDER_CEILING, BASALT), SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, SurfaceRules.sequence(ruleSource, SurfaceRules.ifTrue(conditionSource12, BASALT), BLACKSTONE)))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.SOUL_SAND_VALLEY), SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.UNDER_CEILING, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource12, SOUL_SAND), SOUL_SOIL)), SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, SurfaceRules.sequence(ruleSource, SurfaceRules.ifTrue(conditionSource12, SOUL_SAND), SOUL_SOIL)))), SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.not(conditionSource2), SurfaceRules.ifTrue(conditionSource6, LAVA)), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.WARPED_FOREST), SurfaceRules.ifTrue(SurfaceRules.not(conditionSource10), SurfaceRules.ifTrue(conditionSource, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource11, WARPED_WART_BLOCK), WARPED_NYLIUM)))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.CRIMSON_FOREST), SurfaceRules.ifTrue(SurfaceRules.not(conditionSource10), SurfaceRules.ifTrue(conditionSource, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource11, NETHER_WART_BLOCK), CRIMSON_NYLIUM)))))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.NETHER_WASTES), SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, SurfaceRules.ifTrue(conditionSource7, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.not(conditionSource6), SurfaceRules.ifTrue(conditionSource3, SurfaceRules.ifTrue(conditionSource4, SOUL_SAND))), NETHERRACK))), SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.ifTrue(conditionSource, SurfaceRules.ifTrue(conditionSource4, SurfaceRules.ifTrue(conditionSource8, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource2, GRAVEL), SurfaceRules.ifTrue(SurfaceRules.not(conditionSource6), GRAVEL)))))))), NETHERRACK);
+ return SurfaceRules.sequence(SurfaceRules.ifTrue(new PaperBedrockConditionSource("bedrock_floor", VerticalAnchor.bottom(), VerticalAnchor.aboveBottom(5), false), BEDROCK), SurfaceRules.ifTrue(SurfaceRules.not(new PaperBedrockConditionSource("bedrock_roof", VerticalAnchor.belowTop(5), VerticalAnchor.top(), true)), BEDROCK), SurfaceRules.ifTrue(conditionSource5, NETHERRACK), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.BASALT_DELTAS), SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.UNDER_CEILING, BASALT), SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, SurfaceRules.sequence(ruleSource, SurfaceRules.ifTrue(conditionSource12, BASALT), BLACKSTONE)))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.SOUL_SAND_VALLEY), SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.UNDER_CEILING, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource12, SOUL_SAND), SOUL_SOIL)), SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, SurfaceRules.sequence(ruleSource, SurfaceRules.ifTrue(conditionSource12, SOUL_SAND), SOUL_SOIL)))), SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.not(conditionSource2), SurfaceRules.ifTrue(conditionSource6, LAVA)), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.WARPED_FOREST), SurfaceRules.ifTrue(SurfaceRules.not(conditionSource10), SurfaceRules.ifTrue(conditionSource, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource11, WARPED_WART_BLOCK), WARPED_NYLIUM)))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.CRIMSON_FOREST), SurfaceRules.ifTrue(SurfaceRules.not(conditionSource10), SurfaceRules.ifTrue(conditionSource, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource11, NETHER_WART_BLOCK), CRIMSON_NYLIUM)))))), SurfaceRules.ifTrue(SurfaceRules.isBiome(Biomes.NETHER_WASTES), SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.UNDER_FLOOR, SurfaceRules.ifTrue(conditionSource7, SurfaceRules.sequence(SurfaceRules.ifTrue(SurfaceRules.not(conditionSource6), SurfaceRules.ifTrue(conditionSource3, SurfaceRules.ifTrue(conditionSource4, SOUL_SAND))), NETHERRACK))), SurfaceRules.ifTrue(SurfaceRules.ON_FLOOR, SurfaceRules.ifTrue(conditionSource, SurfaceRules.ifTrue(conditionSource4, SurfaceRules.ifTrue(conditionSource8, SurfaceRules.sequence(SurfaceRules.ifTrue(conditionSource2, GRAVEL), SurfaceRules.ifTrue(SurfaceRules.not(conditionSource6), GRAVEL)))))))), NETHERRACK);
}
public static SurfaceRules.RuleSource end() {
diff --git a/src/main/java/net/minecraft/server/Bootstrap.java b/src/main/java/net/minecraft/server/Bootstrap.java
index c5822637e48fad4ca4e8cf210431b5eafbf5abb1..0ece775ca7e63184f79fcdd1aa7ed5c16fc9bc9e 100644
--- a/src/main/java/net/minecraft/server/Bootstrap.java
+++ b/src/main/java/net/minecraft/server/Bootstrap.java
@@ -75,6 +75,7 @@ public class Bootstrap {
EntitySelectorOptions.bootStrap();
DispenseItemBehavior.bootStrap();
CauldronInteraction.bootStrap();
+ Registry.register(net.minecraft.core.Registry.CONDITION, new net.minecraft.resources.ResourceLocation("paper", "bedrock_condition_source"), net.minecraft.data.worldgen.SurfaceRuleData.PaperBedrockConditionSource.CODEC.codec()); // Paper - register custom flat bedrock thing. TODO is this the best place to do this?
Registry.freezeBuiltins();
Bootstrap.wrapStreams();
}
diff --git a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
index 49f88abe2b9833c324d2b93f7ed3094fb5739e07..df1db87d2dd5076fccea6a1ac9271a9d786729bb 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
@@ -210,7 +210,7 @@ public final class NoiseBasedChunkGenerator extends ChunkGenerator {
@Override
public void buildSurface(WorldGenRegion region, StructureManager structures, RandomState noiseConfig, ChunkAccess chunk) {
if (!SharedConstants.debugVoidTerrain(chunk.getPos())) {
- WorldGenerationContext worldgenerationcontext = new WorldGenerationContext(this, region);
+ WorldGenerationContext worldgenerationcontext = new WorldGenerationContext(this, region, region.getMinecraftWorld()); // Paper
this.buildSurface(chunk, worldgenerationcontext, noiseConfig, structures, region.getBiomeManager(), region.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY), Blender.of(region));
}
@@ -238,7 +238,7 @@ public final class NoiseBasedChunkGenerator extends ChunkGenerator {
return this.createNoiseChunk(ichunkaccess1, structureAccessor, Blender.of(chunkRegion), noiseConfig);
});
Aquifer aquifer = noisechunk.aquifer();
- CarvingContext carvingcontext = new CarvingContext(this, chunkRegion.registryAccess(), chunk.getHeightAccessorForGeneration(), noisechunk, noiseConfig, ((NoiseGeneratorSettings) this.settings.value()).surfaceRule());
+ CarvingContext carvingcontext = new CarvingContext(this, chunkRegion.registryAccess(), chunk.getHeightAccessorForGeneration(), noisechunk, noiseConfig, ((NoiseGeneratorSettings) this.settings.value()).surfaceRule(), chunkRegion.getMinecraftWorld()); // Paper
CarvingMask carvingmask = ((ProtoChunk) chunk).getOrCreateCarvingMask(carverStep);
for (int j = -8; j <= 8; ++j) {
diff --git a/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java b/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
index b99283c31193e2110f6e3f39c23dbfc2442bab2b..1c9d9ecdafb2bd04348045ba0404da052dcd6437 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
@@ -6,10 +6,13 @@ import net.minecraft.world.level.chunk.ChunkGenerator;
public class WorldGenerationContext {
private final int minY;
private final int height;
+ private final @javax.annotation.Nullable net.minecraft.world.level.Level level; // Paper
- public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) {
+ public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) { this(generator, world, null); } // Paper
+ public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world, @org.jetbrains.annotations.Nullable net.minecraft.world.level.Level level) { // Paper
this.minY = Math.max(world.getMinBuildHeight(), generator.getMinY());
this.height = Math.min(world.getHeight(), generator.getGenDepth());
+ this.level = level; // Paper
}
public int getMinGenY() {
@@ -19,4 +22,13 @@ public class WorldGenerationContext {
public int getGenDepth() {
return this.height;
}
+
+ // Paper start
+ public net.minecraft.world.level.Level getWorld() {
+ if (this.level == null) {
+ throw new NullPointerException("WorldGenerationContext was initialized without a Level, but WorldGenerationContext#getWorld was called");
+ }
+ return this.level;
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java b/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
index a745458ea3581ea91a68c863e3fd0a0292d73a61..f84ee8afe95f912a972e37fbae7a06ecdd3aba06 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
@@ -21,8 +21,8 @@ public class CarvingContext extends WorldGenerationContext {
private final RandomState randomState;
private final SurfaceRules.RuleSource surfaceRule;
- public CarvingContext(NoiseBasedChunkGenerator noiseChunkGenerator, RegistryAccess registryManager, LevelHeightAccessor heightLimitView, NoiseChunk chunkNoiseSampler, RandomState noiseConfig, SurfaceRules.RuleSource materialRule) {
- super(noiseChunkGenerator, heightLimitView);
+ public CarvingContext(NoiseBasedChunkGenerator noiseChunkGenerator, RegistryAccess registryManager, LevelHeightAccessor heightLimitView, NoiseChunk chunkNoiseSampler, RandomState noiseConfig, SurfaceRules.RuleSource materialRule, @javax.annotation.Nullable net.minecraft.world.level.Level level) { // Paper
+ super(noiseChunkGenerator, heightLimitView, level); // Paper
this.registryAccess = registryManager;
this.noiseChunk = chunkNoiseSampler;
this.randomState = noiseConfig;
diff --git a/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java b/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
index 640c2683c842655bbaee8f293f1c2613ef44844e..53d818b0cc602f827d0b907e293515f6810c6792 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
@@ -18,7 +18,7 @@ public class PlacementContext extends WorldGenerationContext {
private final Optional<PlacedFeature> topFeature;
public PlacementContext(WorldGenLevel world, ChunkGenerator generator, Optional<PlacedFeature> placedFeature) {
- super(generator, world);
+ super(generator, world, world.getLevel()); // Paper
this.level = world;
this.generator = generator;
this.topFeature = placedFeature;