mirror of
https://github.com/PaperMC/Paper.git
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8c5b837e05
Firstly, the old methods all routed to the CompletableFuture method. However, the CF method could not guarantee that if the caller was off-main that the future would be "completed" on-main. Since the callback methods used the CF one, this meant that the callback methods did not guarantee that the callbacks were to be called on the main thread. Now, all methods route to getChunkAtAsync(x, z, gen, urgent, cb) so that the methods with the callback are guaranteed to invoke the callback on the main thread. The CF behavior remains unchanged; it may still appear to complete on main if invoked off-main. Secondly, remove the scheduleOnMain invocation in the async chunk completion. This unnecessarily delays the callback by 1 tick. Thirdly, add getChunksAtAsync(minX, minZ, maxX, maxZ, ...) which will load chunks within an area. This method is provided as a helper as keeping all chunks loaded within an area can be complicated to implement for plugins (due to the lacking ticket API), and is already implemented internally anyways. Fourthly, remove the ticket addition that occured with getChunkAt and getChunkAtAsync. The ticket addition may delay the unloading of the chunk unnecessarily. It also fixes a very rare timing bug where the future/callback would be completed after the chunk unloads.
295 lines
17 KiB
Diff
295 lines
17 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Byteflux <byte@byteflux.net>
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Date: Wed, 2 Mar 2016 02:17:54 -0600
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Subject: [PATCH] Flat bedrock generator settings
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== AT ==
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public net.minecraft.world.level.levelgen.SurfaceRules$Condition
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public net.minecraft.world.level.levelgen.SurfaceRules$Context
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public net.minecraft.world.level.levelgen.SurfaceRules$Context blockX
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public net.minecraft.world.level.levelgen.SurfaceRules$Context blockY
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public net.minecraft.world.level.levelgen.SurfaceRules$Context blockZ
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public net.minecraft.world.level.levelgen.SurfaceRules$Context context
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public net.minecraft.world.level.levelgen.SurfaceRules$Context randomState
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public net.minecraft.world.level.levelgen.SurfaceRules$LazyYCondition
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public net.minecraft.world.level.levelgen.SurfaceRules$LazyCondition
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public net.minecraft.world.level.levelgen.SurfaceRules$VerticalGradientConditionSource
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public net.minecraft.world.level.levelgen.SurfaceRules$SurfaceRule
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Co-authored-by: Noah van der Aa <ndvdaa@gmail.com>
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Feature patch
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diff --git a/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java b/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..b5580727eef106fa193e450038d1b20d8d396059
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java
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@@ -0,0 +1,80 @@
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+package io.papermc.paper.world.worldgen;
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+
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+import com.mojang.serialization.Codec;
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+import com.mojang.serialization.MapCodec;
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+import com.mojang.serialization.codecs.RecordCodecBuilder;
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+import net.minecraft.core.Registry;
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+import net.minecraft.core.registries.BuiltInRegistries;
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+import net.minecraft.core.registries.Registries;
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+import net.minecraft.resources.ResourceKey;
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+import net.minecraft.resources.ResourceLocation;
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+import net.minecraft.util.KeyDispatchDataCodec;
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+import net.minecraft.util.Mth;
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+import net.minecraft.util.RandomSource;
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+import net.minecraft.world.level.levelgen.PositionalRandomFactory;
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+import net.minecraft.world.level.levelgen.SurfaceRules;
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+import net.minecraft.world.level.levelgen.VerticalAnchor;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.checkerframework.framework.qual.DefaultQualifier;
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+
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+// Modelled off of SurfaceRules$VerticalGradientConditionSource
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+@DefaultQualifier(NonNull.class)
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+public record OptionallyFlatBedrockConditionSource(ResourceLocation randomName, VerticalAnchor trueAtAndBelow, VerticalAnchor falseAtAndAbove, boolean isRoof) implements SurfaceRules.ConditionSource {
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+
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+ private static final ResourceKey<MapCodec<? extends SurfaceRules.ConditionSource>> CODEC_RESOURCE_KEY = ResourceKey.create(
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+ Registries.MATERIAL_CONDITION,
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+ ResourceLocation.fromNamespaceAndPath(ResourceLocation.PAPER_NAMESPACE, "optionally_flat_bedrock_condition_source")
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+ );
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+ private static final KeyDispatchDataCodec<OptionallyFlatBedrockConditionSource> CODEC = KeyDispatchDataCodec.of(RecordCodecBuilder.mapCodec((instance) -> {
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+ return instance.group(
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+ ResourceLocation.CODEC.fieldOf("random_name").forGetter(OptionallyFlatBedrockConditionSource::randomName),
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+ VerticalAnchor.CODEC.fieldOf("true_at_and_below").forGetter(OptionallyFlatBedrockConditionSource::trueAtAndBelow),
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+ VerticalAnchor.CODEC.fieldOf("false_at_and_above").forGetter(OptionallyFlatBedrockConditionSource::falseAtAndAbove),
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+ Codec.BOOL.fieldOf("is_roof").forGetter(OptionallyFlatBedrockConditionSource::isRoof)
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+ ).apply(instance, OptionallyFlatBedrockConditionSource::new);
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+ }));
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+
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+ public static void bootstrap() {
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+ Registry.register(BuiltInRegistries.MATERIAL_CONDITION, CODEC_RESOURCE_KEY, CODEC.codec());
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+ }
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+
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+ @Override
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+ public KeyDispatchDataCodec<? extends SurfaceRules.ConditionSource> codec() {
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+ return CODEC;
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+ }
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+
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+ @Override
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+ public SurfaceRules.Condition apply(final SurfaceRules.Context context) {
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+ boolean hasFlatBedrock = context.context.getWorld().paperConfig().environment.generateFlatBedrock;
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+ int tempTrueAtAndBelowY = this.trueAtAndBelow().resolveY(context.context);
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+ int tempFalseAtAndAboveY = this.falseAtAndAbove().resolveY(context.context);
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+
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+ int flatYLevel = this.isRoof ? Math.max(tempFalseAtAndAboveY, tempTrueAtAndBelowY) - 1 : Math.min(tempFalseAtAndAboveY, tempTrueAtAndBelowY);
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+ final int trueAtAndBelowY = hasFlatBedrock ? flatYLevel : tempTrueAtAndBelowY;
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+ final int falseAtAndAboveY = hasFlatBedrock ? flatYLevel : tempFalseAtAndAboveY;
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+
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+ final PositionalRandomFactory positionalRandomFactory = context.randomState.getOrCreateRandomFactory(this.randomName());
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+
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+ class VerticalGradientCondition extends SurfaceRules.LazyYCondition {
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+ VerticalGradientCondition(SurfaceRules.Context context) {
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+ super(context);
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+ }
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+
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+ @Override
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+ protected boolean compute() {
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+ int blockY = this.context.blockY;
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+ if (blockY <= trueAtAndBelowY) {
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+ return true;
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+ } else if (blockY >= falseAtAndAboveY) {
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+ return false;
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+ } else {
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+ double d = Mth.map(blockY, trueAtAndBelowY, falseAtAndAboveY, 1.0D, 0.0D);
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+ RandomSource randomSource = positionalRandomFactory.at(this.context.blockX, blockY, this.context.blockZ);
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+ return (double)randomSource.nextFloat() < d;
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+ }
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+ }
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+ }
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+
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+ return new VerticalGradientCondition(context);
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/Bootstrap.java b/src/main/java/net/minecraft/server/Bootstrap.java
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index 4840893082cbcd9b00f79149df1a7805af279dcb..ffca3a7df1c5b344dbd77e1db997c76d22a31021 100644
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--- a/src/main/java/net/minecraft/server/Bootstrap.java
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+++ b/src/main/java/net/minecraft/server/Bootstrap.java
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@@ -77,6 +77,7 @@ public class Bootstrap {
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CauldronInteraction.bootStrap();
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// Paper start
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BuiltInRegistries.bootStrap(() -> {
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+ io.papermc.paper.world.worldgen.OptionallyFlatBedrockConditionSource.bootstrap(); // Paper - Flat bedrock generator settings
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});
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// Paper end
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CreativeModeTabs.validate();
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
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index 44e64d716eee71492f9a8d813934bb96463ece45..1fcc2b287ed723cf51720f80e68f18f4a15cf429 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
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@@ -206,7 +206,7 @@ public final class NoiseBasedChunkGenerator extends ChunkGenerator {
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@Override
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public void buildSurface(WorldGenRegion region, StructureManager structures, RandomState noiseConfig, ChunkAccess chunk) {
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if (!SharedConstants.debugVoidTerrain(chunk.getPos())) {
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- WorldGenerationContext worldgenerationcontext = new WorldGenerationContext(this, region);
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+ WorldGenerationContext worldgenerationcontext = new WorldGenerationContext(this, region, region.getMinecraftWorld()); // Paper - Flat bedrock generator settings
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this.buildSurface(chunk, worldgenerationcontext, noiseConfig, structures, region.getBiomeManager(), region.registryAccess().lookupOrThrow(Registries.BIOME), Blender.of(region));
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}
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@@ -234,7 +234,7 @@ public final class NoiseBasedChunkGenerator extends ChunkGenerator {
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return this.createNoiseChunk(ichunkaccess1, structureAccessor, Blender.of(chunkRegion), noiseConfig);
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});
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Aquifer aquifer = noisechunk.aquifer();
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- CarvingContext carvingcontext = new CarvingContext(this, chunkRegion.registryAccess(), chunk.getHeightAccessorForGeneration(), noisechunk, noiseConfig, ((NoiseGeneratorSettings) this.settings.value()).surfaceRule());
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+ CarvingContext carvingcontext = new CarvingContext(this, chunkRegion.registryAccess(), chunk.getHeightAccessorForGeneration(), noisechunk, noiseConfig, ((NoiseGeneratorSettings) this.settings.value()).surfaceRule(), chunkRegion.getMinecraftWorld()); // Paper - Flat bedrock generator settings
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CarvingMask carvingmask = ((ProtoChunk) chunk).getOrCreateCarvingMask();
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for (int j = -8; j <= 8; ++j) {
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java b/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
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index e3360e0a19b610586a6194df1880f15799400fc5..aeee3ea1a3aff45febed1bc7f15ea56570620a6c 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
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@@ -6,10 +6,13 @@ import net.minecraft.world.level.chunk.ChunkGenerator;
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public class WorldGenerationContext {
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private final int minY;
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private final int height;
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+ private final @javax.annotation.Nullable net.minecraft.world.level.Level level; // Paper - Flat bedrock generator settings
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- public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) {
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+ public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) { this(generator, world, null); } // Paper - Flat bedrock generator settings
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+ public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world, @org.jetbrains.annotations.Nullable net.minecraft.world.level.Level level) { // Paper - Flat bedrock generator settings
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this.minY = Math.max(world.getMinY(), generator.getMinY());
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this.height = Math.min(world.getHeight(), generator.getGenDepth());
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+ this.level = level; // Paper - Flat bedrock generator settings
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}
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public int getMinGenY() {
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@@ -19,4 +22,13 @@ public class WorldGenerationContext {
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public int getGenDepth() {
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return this.height;
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}
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+
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+ // Paper start - Flat bedrock generator settings
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+ public net.minecraft.world.level.Level getWorld() {
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+ if (this.level == null) {
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+ throw new NullPointerException("WorldGenerationContext was initialized without a Level, but WorldGenerationContext#getWorld was called");
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+ }
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+ return this.level;
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+ }
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+ // Paper end - Flat bedrock generator settings
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}
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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
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index 390bcf9c302effd9db42d7a0e65b5433cc2eadd6..b9e919d31e442f49300744395af3cf9431e86c57 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
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@@ -27,9 +27,9 @@ public class CarvingContext extends WorldGenerationContext {
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LevelHeightAccessor heightLimitView,
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NoiseChunk chunkNoiseSampler,
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RandomState noiseConfig,
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- SurfaceRules.RuleSource materialRule
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+ SurfaceRules.RuleSource materialRule, @javax.annotation.Nullable net.minecraft.world.level.Level level // Paper - Flat bedrock generator settings
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) {
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- super(noiseChunkGenerator, heightLimitView);
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+ super(noiseChunkGenerator, heightLimitView, level); // Paper - Flat bedrock generator settings
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this.registryAccess = registryManager;
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this.noiseChunk = chunkNoiseSampler;
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this.randomState = noiseConfig;
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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
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index 298cedb398cc0dc362e02a2bd9db170a9595407f..4e7aa581c9afc20820b659bb1804f7cf460f0b97 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
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@@ -17,7 +17,7 @@ public class PlacementContext extends WorldGenerationContext {
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private final Optional<PlacedFeature> topFeature;
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public PlacementContext(WorldGenLevel world, ChunkGenerator generator, Optional<PlacedFeature> placedFeature) {
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- super(generator, world);
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+ super(generator, world, world.getLevel()); // Paper - Flat bedrock generator settings
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this.level = world;
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this.generator = generator;
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this.topFeature = placedFeature;
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diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json b/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json
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index 3f61ea695aa6a91a0cacf1fa8dc0a9bdc6fa36e6..02d32bbdbc795db271205bef95e6987ac34b0136 100644
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--- a/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json
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+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json
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@@ -389,7 +389,8 @@
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{
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"type": "minecraft:condition",
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"if_true": {
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- "type": "minecraft:vertical_gradient",
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+ "type": "paper:optionally_flat_bedrock_condition_source",
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+ "is_roof": false,
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"false_at_and_above": {
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"above_bottom": 5
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},
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diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json b/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json
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index 1fe9ce904cba21ff4e6efb948a0bc274a22bcb0b..2e8c1aad10a2b0adbdee4180cfc1902984b6565b 100644
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--- a/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json
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+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json
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@@ -110,7 +110,8 @@
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"if_true": {
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"type": "minecraft:not",
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"invert": {
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- "type": "minecraft:vertical_gradient",
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+ "type": "paper:optionally_flat_bedrock_condition_source",
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+ "is_roof": true,
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"false_at_and_above": {
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"below_top": 0
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},
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@@ -130,7 +131,8 @@
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{
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"type": "minecraft:condition",
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"if_true": {
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- "type": "minecraft:vertical_gradient",
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+ "type": "paper:optionally_flat_bedrock_condition_source",
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+ "is_roof": false,
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"false_at_and_above": {
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"above_bottom": 5
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},
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diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/large_biomes.json b/src/main/resources/data/minecraft/worldgen/noise_settings/large_biomes.json
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index f4c34de998d78a80bc026d8e0d423c9bed9bbf8a..fd5bd5474b8f931f2e04706997e71cd5145a5a82 100644
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--- a/src/main/resources/data/minecraft/worldgen/noise_settings/large_biomes.json
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+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/large_biomes.json
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@@ -389,7 +389,8 @@
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{
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"type": "minecraft:condition",
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"if_true": {
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- "type": "minecraft:vertical_gradient",
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+ "type": "paper:optionally_flat_bedrock_condition_source",
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+ "is_roof": false,
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"false_at_and_above": {
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"above_bottom": 5
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},
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diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json b/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json
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index 6219d25fcdbc761debc1d1e357757d1b977dc0b0..1657179b8c3f7e549e3b8774ecb75f292ae79c38 100644
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--- a/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json
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+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json
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@@ -108,7 +108,8 @@
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{
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"type": "minecraft:condition",
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"if_true": {
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- "type": "minecraft:vertical_gradient",
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+ "type": "paper:optionally_flat_bedrock_condition_source",
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+ "is_roof": false,
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"false_at_and_above": {
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"above_bottom": 5
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},
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@@ -129,7 +130,8 @@
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"if_true": {
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"type": "minecraft:not",
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"invert": {
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- "type": "minecraft:vertical_gradient",
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+ "type": "paper:optionally_flat_bedrock_condition_source",
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+ "is_roof": true,
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"false_at_and_above": {
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"below_top": 0
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},
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diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json b/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json
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index da3bda6167859f4ddf7d76ec2053f40b2139c13e..70beb7665a43a06b4afcb3c77aa77f923cb444cb 100644
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--- a/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json
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+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json
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@@ -389,7 +389,8 @@
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{
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"type": "minecraft:condition",
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"if_true": {
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- "type": "minecraft:vertical_gradient",
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+ "type": "paper:optionally_flat_bedrock_condition_source",
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+ "is_roof": false,
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"false_at_and_above": {
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"above_bottom": 5
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},
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