89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
288 Zeilen
17 KiB
Diff
288 Zeilen
17 KiB
Diff
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
|
|
|
|
== AT ==
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$Condition
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$Context
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$Context blockX
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$Context blockY
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$Context blockZ
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$Context context
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$Context randomState
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$LazyYCondition
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$LazyCondition
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$VerticalGradientConditionSource
|
|
public net.minecraft.world.level.levelgen.SurfaceRules$SurfaceRule
|
|
|
|
Co-authored-by: Noah van der Aa <ndvdaa@gmail.com>
|
|
|
|
diff --git a/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java b/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java
|
|
new file mode 100644
|
|
index 0000000000000000000000000000000000000000..02d98ec591b676acf64460d14d608860d32a362a
|
|
--- /dev/null
|
|
+++ b/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java
|
|
@@ -0,0 +1,76 @@
|
|
+package io.papermc.paper.world.worldgen;
|
|
+
|
|
+import com.mojang.serialization.Codec;
|
|
+import com.mojang.serialization.codecs.RecordCodecBuilder;
|
|
+import net.minecraft.core.Registry;
|
|
+import net.minecraft.core.registries.BuiltInRegistries;
|
|
+import net.minecraft.core.registries.Registries;
|
|
+import net.minecraft.resources.ResourceKey;
|
|
+import net.minecraft.resources.ResourceLocation;
|
|
+import net.minecraft.util.KeyDispatchDataCodec;
|
|
+import net.minecraft.util.Mth;
|
|
+import net.minecraft.util.RandomSource;
|
|
+import net.minecraft.world.level.levelgen.PositionalRandomFactory;
|
|
+import net.minecraft.world.level.levelgen.SurfaceRules;
|
|
+import net.minecraft.world.level.levelgen.VerticalAnchor;
|
|
+import org.checkerframework.checker.nullness.qual.NonNull;
|
|
+import org.checkerframework.framework.qual.DefaultQualifier;
|
|
+
|
|
+// Modelled off of SurfaceRules$VerticalGradientConditionSource
|
|
+@DefaultQualifier(NonNull.class)
|
|
+public record OptionallyFlatBedrockConditionSource(ResourceLocation randomName, VerticalAnchor trueAtAndBelow, VerticalAnchor falseAtAndAbove, boolean isRoof) implements SurfaceRules.ConditionSource {
|
|
+
|
|
+ private static final ResourceKey<Codec<? extends SurfaceRules.ConditionSource>> CODEC_RESOURCE_KEY = ResourceKey.create(Registries.MATERIAL_CONDITION, new ResourceLocation(ResourceLocation.PAPER_NAMESPACE, "optionally_flat_bedrock_condition_source"));
|
|
+ private static final KeyDispatchDataCodec<OptionallyFlatBedrockConditionSource> CODEC = KeyDispatchDataCodec.of(RecordCodecBuilder.mapCodec((instance) -> {
|
|
+ return instance.group(
|
|
+ ResourceLocation.CODEC.fieldOf("random_name").forGetter(OptionallyFlatBedrockConditionSource::randomName),
|
|
+ VerticalAnchor.CODEC.fieldOf("true_at_and_below").forGetter(OptionallyFlatBedrockConditionSource::trueAtAndBelow),
|
|
+ VerticalAnchor.CODEC.fieldOf("false_at_and_above").forGetter(OptionallyFlatBedrockConditionSource::falseAtAndAbove),
|
|
+ Codec.BOOL.fieldOf("is_roof").forGetter(OptionallyFlatBedrockConditionSource::isRoof)
|
|
+ ).apply(instance, OptionallyFlatBedrockConditionSource::new);
|
|
+ }));
|
|
+
|
|
+ public static void bootstrap() {
|
|
+ Registry.register(BuiltInRegistries.MATERIAL_CONDITION, CODEC_RESOURCE_KEY, CODEC.codec());
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public KeyDispatchDataCodec<? extends SurfaceRules.ConditionSource> codec() {
|
|
+ return CODEC;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public SurfaceRules.Condition apply(final SurfaceRules.Context context) {
|
|
+ boolean hasFlatBedrock = context.context.getWorld().paperConfig().environment.generateFlatBedrock;
|
|
+ int tempTrueAtAndBelowY = this.trueAtAndBelow().resolveY(context.context);
|
|
+ int tempFalseAtAndAboveY = this.falseAtAndAbove().resolveY(context.context);
|
|
+
|
|
+ int flatYLevel = this.isRoof ? Math.max(tempFalseAtAndAboveY, tempTrueAtAndBelowY) - 1 : Math.min(tempFalseAtAndAboveY, tempTrueAtAndBelowY);
|
|
+ final int trueAtAndBelowY = hasFlatBedrock ? flatYLevel : tempTrueAtAndBelowY;
|
|
+ final int falseAtAndAboveY = hasFlatBedrock ? flatYLevel : tempFalseAtAndAboveY;
|
|
+
|
|
+ final PositionalRandomFactory positionalRandomFactory = context.randomState.getOrCreateRandomFactory(this.randomName());
|
|
+
|
|
+ class VerticalGradientCondition extends SurfaceRules.LazyYCondition {
|
|
+ VerticalGradientCondition(SurfaceRules.Context context) {
|
|
+ super(context);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ protected boolean compute() {
|
|
+ int blockY = this.context.blockY;
|
|
+ if (blockY <= trueAtAndBelowY) {
|
|
+ return true;
|
|
+ } else if (blockY >= falseAtAndAboveY) {
|
|
+ return false;
|
|
+ } else {
|
|
+ double d = Mth.map(blockY, trueAtAndBelowY, falseAtAndAboveY, 1.0D, 0.0D);
|
|
+ RandomSource randomSource = positionalRandomFactory.at(this.context.blockX, blockY, this.context.blockZ);
|
|
+ return (double)randomSource.nextFloat() < d;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return new VerticalGradientCondition(context);
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/net/minecraft/server/Bootstrap.java b/src/main/java/net/minecraft/server/Bootstrap.java
|
|
index c887d34171f89c731d76c4ca92c70be2b1edc1e6..438ae006a8e7da0e5124415b8350ebfd45ac6a10 100644
|
|
--- a/src/main/java/net/minecraft/server/Bootstrap.java
|
|
+++ b/src/main/java/net/minecraft/server/Bootstrap.java
|
|
@@ -78,6 +78,7 @@ public class Bootstrap {
|
|
CauldronInteraction.bootStrap();
|
|
// Paper start
|
|
BuiltInRegistries.bootStrap(() -> {
|
|
+ io.papermc.paper.world.worldgen.OptionallyFlatBedrockConditionSource.bootstrap(); // Paper - Flat bedrock generator settings
|
|
io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enterBootstrappers(); // Paper - Entrypoint for bootstrapping
|
|
});
|
|
// Paper end
|
|
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 902156477bdfc9917105f1229f760c26e5af302a..98c7f695093acbcf9382a5f07a7a89e373709763 100644
|
|
--- a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
|
|
+++ b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
|
|
@@ -207,7 +207,7 @@ 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 - Flat bedrock generator settings
|
|
|
|
this.buildSurface(chunk, worldgenerationcontext, noiseConfig, structures, region.getBiomeManager(), region.registryAccess().registryOrThrow(Registries.BIOME), Blender.of(region));
|
|
}
|
|
@@ -235,7 +235,7 @@ 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 - Flat bedrock generator settings
|
|
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..a34e53249668d917c9d77c6837b91360a2349bbc 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 - Flat bedrock generator settings
|
|
|
|
- public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) {
|
|
+ public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) { this(generator, world, null); } // Paper - Flat bedrock generator settings
|
|
+ public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world, @org.jetbrains.annotations.Nullable net.minecraft.world.level.Level level) { // Paper - Flat bedrock generator settings
|
|
this.minY = Math.max(world.getMinBuildHeight(), generator.getMinY());
|
|
this.height = Math.min(world.getHeight(), generator.getGenDepth());
|
|
+ this.level = level; // Paper - Flat bedrock generator settings
|
|
}
|
|
|
|
public int getMinGenY() {
|
|
@@ -19,4 +22,13 @@ public class WorldGenerationContext {
|
|
public int getGenDepth() {
|
|
return this.height;
|
|
}
|
|
+
|
|
+ // Paper start - Flat bedrock generator settings
|
|
+ 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 - Flat bedrock generator settings
|
|
}
|
|
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..6fcb84e4d2cd310bd1e04f4cf7b9bc2bbbf4fdad 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 - Flat bedrock generator settings
|
|
+ super(noiseChunkGenerator, heightLimitView, level); // Paper - Flat bedrock generator settings
|
|
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..c7dfd844c7846281ceff0d443c0160054fd36c5c 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 - Flat bedrock generator settings
|
|
this.level = world;
|
|
this.generator = generator;
|
|
this.topFeature = placedFeature;
|
|
diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json b/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json
|
|
index 3f61ea695aa6a91a0cacf1fa8dc0a9bdc6fa36e6..02d32bbdbc795db271205bef95e6987ac34b0136 100644
|
|
--- a/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json
|
|
+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/amplified.json
|
|
@@ -389,7 +389,8 @@
|
|
{
|
|
"type": "minecraft:condition",
|
|
"if_true": {
|
|
- "type": "minecraft:vertical_gradient",
|
|
+ "type": "paper:optionally_flat_bedrock_condition_source",
|
|
+ "is_roof": false,
|
|
"false_at_and_above": {
|
|
"above_bottom": 5
|
|
},
|
|
diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json b/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json
|
|
index 1fe9ce904cba21ff4e6efb948a0bc274a22bcb0b..2e8c1aad10a2b0adbdee4180cfc1902984b6565b 100644
|
|
--- a/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json
|
|
+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/caves.json
|
|
@@ -110,7 +110,8 @@
|
|
"if_true": {
|
|
"type": "minecraft:not",
|
|
"invert": {
|
|
- "type": "minecraft:vertical_gradient",
|
|
+ "type": "paper:optionally_flat_bedrock_condition_source",
|
|
+ "is_roof": true,
|
|
"false_at_and_above": {
|
|
"below_top": 0
|
|
},
|
|
@@ -130,7 +131,8 @@
|
|
{
|
|
"type": "minecraft:condition",
|
|
"if_true": {
|
|
- "type": "minecraft:vertical_gradient",
|
|
+ "type": "paper:optionally_flat_bedrock_condition_source",
|
|
+ "is_roof": false,
|
|
"false_at_and_above": {
|
|
"above_bottom": 5
|
|
},
|
|
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
|
|
index f4c34de998d78a80bc026d8e0d423c9bed9bbf8a..fd5bd5474b8f931f2e04706997e71cd5145a5a82 100644
|
|
--- a/src/main/resources/data/minecraft/worldgen/noise_settings/large_biomes.json
|
|
+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/large_biomes.json
|
|
@@ -389,7 +389,8 @@
|
|
{
|
|
"type": "minecraft:condition",
|
|
"if_true": {
|
|
- "type": "minecraft:vertical_gradient",
|
|
+ "type": "paper:optionally_flat_bedrock_condition_source",
|
|
+ "is_roof": false,
|
|
"false_at_and_above": {
|
|
"above_bottom": 5
|
|
},
|
|
diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json b/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json
|
|
index 6219d25fcdbc761debc1d1e357757d1b977dc0b0..1657179b8c3f7e549e3b8774ecb75f292ae79c38 100644
|
|
--- a/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json
|
|
+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/nether.json
|
|
@@ -108,7 +108,8 @@
|
|
{
|
|
"type": "minecraft:condition",
|
|
"if_true": {
|
|
- "type": "minecraft:vertical_gradient",
|
|
+ "type": "paper:optionally_flat_bedrock_condition_source",
|
|
+ "is_roof": false,
|
|
"false_at_and_above": {
|
|
"above_bottom": 5
|
|
},
|
|
@@ -129,7 +130,8 @@
|
|
"if_true": {
|
|
"type": "minecraft:not",
|
|
"invert": {
|
|
- "type": "minecraft:vertical_gradient",
|
|
+ "type": "paper:optionally_flat_bedrock_condition_source",
|
|
+ "is_roof": true,
|
|
"false_at_and_above": {
|
|
"below_top": 0
|
|
},
|
|
diff --git a/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json b/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json
|
|
index da3bda6167859f4ddf7d76ec2053f40b2139c13e..70beb7665a43a06b4afcb3c77aa77f923cb444cb 100644
|
|
--- a/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json
|
|
+++ b/src/main/resources/data/minecraft/worldgen/noise_settings/overworld.json
|
|
@@ -389,7 +389,8 @@
|
|
{
|
|
"type": "minecraft:condition",
|
|
"if_true": {
|
|
- "type": "minecraft:vertical_gradient",
|
|
+ "type": "paper:optionally_flat_bedrock_condition_source",
|
|
+ "is_roof": false,
|
|
"false_at_and_above": {
|
|
"above_bottom": 5
|
|
},
|