Paper/patches/server/0825-Expose-vanilla-BiomeProvider-from-WorldInfo.patch

140 lines
8.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Thu, 6 Jan 2022 15:59:06 -0800
Subject: [PATCH] Expose vanilla BiomeProvider from WorldInfo
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 79153def3866e9761fcd6eca7d81574fe64f2895..89c92a626df832b2be41064ab48b10b981c06016 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -559,7 +559,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
// Paper end
- org.bukkit.generator.WorldInfo worldInfo = new org.bukkit.craftbukkit.generator.CraftWorldInfo(iworlddataserver, worldSession, org.bukkit.World.Environment.getEnvironment(dimension), worlddimension.typeHolder().value());
+ org.bukkit.generator.WorldInfo worldInfo = new org.bukkit.craftbukkit.generator.CraftWorldInfo(iworlddataserver, worldSession, org.bukkit.World.Environment.getEnvironment(dimension), worlddimension.typeHolder().value(), worlddimension.generator(), this.registryAccess()); // Paper
if (biomeProvider == null && gen != null) {
biomeProvider = gen.getDefaultBiomeProvider(worldInfo);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 745f8a167976633d1d26e530412dacf3ec469197..b54a924734145a307dfa46c88bc01d548b479671 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1201,7 +1201,7 @@ public final class CraftServer implements Server {
Registry<LevelStem> iregistry = worlddata.worldGenSettings().dimensions();
LevelStem worlddimension = (LevelStem) iregistry.get(actualDimension);
- WorldInfo worldInfo = new CraftWorldInfo(worlddata, worldSession, creator.environment(), worlddimension.typeHolder().value());
+ WorldInfo worldInfo = new CraftWorldInfo(worlddata, worldSession, creator.environment(), worlddimension.typeHolder().value(), worlddimension.generator(), this.getHandle().getServer().registryAccess()); // Paper
if (biomeProvider == null && generator != null) {
biomeProvider = generator.getDefaultBiomeProvider(worldInfo);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index c4913fd3efb52669645d2d71bce1bdf71d4fa063..335bf78d95418fbc7718177f012c71c392ab554c 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -195,6 +195,30 @@ public class CraftWorld extends CraftRegionAccessor implements World {
public int getPlayerCount() {
return world.players().size();
}
+
+ @Override
+ public BiomeProvider vanillaBiomeProvider() {
+ net.minecraft.server.level.ServerChunkCache serverCache = this.getHandle().chunkSource;
+
+ final net.minecraft.world.level.biome.BiomeSource biomeSource = serverCache.getGenerator().getBiomeSource();
+ final net.minecraft.world.level.biome.Climate.Sampler sampler = serverCache.randomState().sampler();
+ final net.minecraft.core.Registry<net.minecraft.world.level.biome.Biome> biomeRegistry = this.getHandle().registryAccess().registryOrThrow(net.minecraft.core.Registry.BIOME_REGISTRY);
+
+ final List<Biome> possibleBiomes = biomeSource.possibleBiomes().stream()
+ .map(biome -> CraftBlock.biomeBaseToBiome(biomeRegistry, biome))
+ .toList();
+ return new BiomeProvider() {
+ @Override
+ public Biome getBiome(final org.bukkit.generator.WorldInfo worldInfo, final int x, final int y, final int z) {
+ return CraftBlock.biomeBaseToBiome(biomeRegistry, biomeSource.getNoiseBiome(x >> 2, y >> 2, z >> 2, sampler));
+ }
+
+ @Override
+ public List<Biome> getBiomes(final org.bukkit.generator.WorldInfo worldInfo) {
+ return possibleBiomes;
+ }
+ };
+ }
// Paper end
private static final Random rand = new Random();
diff --git a/src/main/java/org/bukkit/craftbukkit/generator/CraftWorldInfo.java b/src/main/java/org/bukkit/craftbukkit/generator/CraftWorldInfo.java
index 3795dc9b12d62113146e803554283acd8d0e5db9..b9af0c68bfa877314de0d45741a54795b581d9b8 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/CraftWorldInfo.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/CraftWorldInfo.java
@@ -17,8 +17,14 @@ public class CraftWorldInfo implements WorldInfo {
private final long seed;
private final int minHeight;
private final int maxHeight;
+ // Paper start
+ private final net.minecraft.world.level.chunk.ChunkGenerator vanillaChunkGenerator;
+ private final net.minecraft.core.RegistryAccess.Frozen registryAccess;
- public CraftWorldInfo(ServerLevelData worldDataServer, LevelStorageSource.LevelStorageAccess session, World.Environment environment, DimensionType dimensionManager) {
+ public CraftWorldInfo(ServerLevelData worldDataServer, LevelStorageSource.LevelStorageAccess session, World.Environment environment, DimensionType dimensionManager, net.minecraft.world.level.chunk.ChunkGenerator chunkGenerator, net.minecraft.core.RegistryAccess.Frozen registryAccess) {
+ this.registryAccess = registryAccess;
+ this.vanillaChunkGenerator = chunkGenerator;
+ // Paper end
this.name = worldDataServer.getLevelName();
this.uuid = WorldUUID.getUUID(session.levelDirectory.path().toFile());
this.environment = environment;
@@ -27,15 +33,6 @@ public class CraftWorldInfo implements WorldInfo {
this.maxHeight = dimensionManager.minY() + dimensionManager.height();
}
- public CraftWorldInfo(String name, UUID uuid, World.Environment environment, long seed, int minHeight, int maxHeight) {
- this.name = name;
- this.uuid = uuid;
- this.environment = environment;
- this.seed = seed;
- this.minHeight = minHeight;
- this.maxHeight = maxHeight;
- }
-
@Override
public String getName() {
return this.name;
@@ -65,4 +62,35 @@ public class CraftWorldInfo implements WorldInfo {
public int getMaxHeight() {
return this.maxHeight;
}
+
+ // Paper start
+ @Override
+ public org.bukkit.generator.BiomeProvider vanillaBiomeProvider() {
+ final net.minecraft.world.level.levelgen.RandomState randomState;
+ if (vanillaChunkGenerator instanceof net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator noiseBasedChunkGenerator) {
+ randomState = net.minecraft.world.level.levelgen.RandomState.create(noiseBasedChunkGenerator.generatorSettings().value(),
+ registryAccess.registryOrThrow(net.minecraft.core.Registry.NOISE_REGISTRY), getSeed());
+ } else {
+ randomState = net.minecraft.world.level.levelgen.RandomState.create(net.minecraft.world.level.levelgen.NoiseGeneratorSettings.dummy(),
+ registryAccess.registryOrThrow(net.minecraft.core.Registry.NOISE_REGISTRY), getSeed());
+ }
+
+ final net.minecraft.core.Registry<net.minecraft.world.level.biome.Biome> biomeRegistry = CraftWorldInfo.this.registryAccess.registryOrThrow(net.minecraft.core.Registry.BIOME_REGISTRY);
+ final java.util.List<org.bukkit.block.Biome> possibleBiomes = CraftWorldInfo.this.vanillaChunkGenerator.getBiomeSource().possibleBiomes().stream()
+ .map(biome -> org.bukkit.craftbukkit.block.CraftBlock.biomeBaseToBiome(biomeRegistry, biome))
+ .toList();
+ return new org.bukkit.generator.BiomeProvider() {
+ @Override
+ public org.bukkit.block.Biome getBiome(final WorldInfo worldInfo, final int x, final int y, final int z) {
+ return org.bukkit.craftbukkit.block.CraftBlock.biomeBaseToBiome(biomeRegistry,
+ CraftWorldInfo.this.vanillaChunkGenerator.getBiomeSource().getNoiseBiome(x >> 2, y >> 2, z >> 2, randomState.sampler()));
+ }
+
+ @Override
+ public java.util.List<org.bukkit.block.Biome> getBiomes(final org.bukkit.generator.WorldInfo worldInfo) {
+ return possibleBiomes;
+ }
+ };
+ }
+ // Paper end
}