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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MiniDigger <admin@benndorf.dev>
Date: Wed, 29 Apr 2020 02:10:32 +0200
Subject: [PATCH] Allow delegation to vanilla chunk gen
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 5f35c3714ac4e0e7afaa81c1ebe8d9601202bbb2..ba7023e7ca5d29375ff53c2951892138d155f69f 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2301,6 +2301,107 @@ public final class CraftServer implements Server {
return new OldCraftChunkData(world.getMinHeight(), world.getMaxHeight(), handle.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY), world); // Paper - Anti-Xray - Add parameters
}
+ // Paper start
+ private static final List<net.minecraft.world.level.chunk.ChunkStatus> VANILLA_GEN_STATUSES = List.of(
+ net.minecraft.world.level.chunk.ChunkStatus.EMPTY,
+ net.minecraft.world.level.chunk.ChunkStatus.STRUCTURE_STARTS,
+ net.minecraft.world.level.chunk.ChunkStatus.STRUCTURE_REFERENCES,
+ net.minecraft.world.level.chunk.ChunkStatus.BIOMES,
+ net.minecraft.world.level.chunk.ChunkStatus.NOISE,
+ net.minecraft.world.level.chunk.ChunkStatus.SURFACE,
+ net.minecraft.world.level.chunk.ChunkStatus.CARVERS,
+ net.minecraft.world.level.chunk.ChunkStatus.LIQUID_CARVERS,
+ net.minecraft.world.level.chunk.ChunkStatus.FEATURES,
+ net.minecraft.world.level.chunk.ChunkStatus.LIGHT
+ );
+
+ @net.minecraft.MethodsReturnNonnullByDefault
+ private static final class PaperEmptyLevelChunk extends net.minecraft.world.level.chunk.EmptyLevelChunk {
+ private final net.minecraft.world.level.biome.Biome biome;
+
+ public PaperEmptyLevelChunk(net.minecraft.world.level.Level world, net.minecraft.world.level.ChunkPos pos) {
+ super(world, pos);
+ this.biome = this.level.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY).getOrThrow(net.minecraft.world.level.biome.Biomes.PLAINS);
+ }
+
+ @Override
+ public net.minecraft.world.level.biome.Biome getNoiseBiome(int biomeX, int biomeY, int biomeZ) {
+ return this.biome;
+ }
+
+ @Override
+ public void markPosForPostprocessing(BlockPos pos) {}
+ }
+
+ @Override
+ @Deprecated(forRemoval = true)
+ public ChunkGenerator.ChunkData createVanillaChunkData(World world, int x, int z) {
+ // do bunch of vanilla shit
+ final net.minecraft.server.level.ServerLevel serverLevel = ((CraftWorld) world).getHandle();
+ final Registry<net.minecraft.world.level.biome.Biome> biomeRegistry = serverLevel.getServer().registryAccess().registryOrThrow(Registry.BIOME_REGISTRY);
+ final net.minecraft.world.level.chunk.ProtoChunk protoChunk = new net.minecraft.world.level.chunk.ProtoChunk(
+ new net.minecraft.world.level.ChunkPos(x, z),
+ net.minecraft.world.level.chunk.UpgradeData.EMPTY,
+ serverLevel,
+ biomeRegistry,
+ null
+ );
+
+ final net.minecraft.world.level.chunk.ChunkGenerator chunkGenerator;
+ if (serverLevel.chunkSource.getGenerator() instanceof org.bukkit.craftbukkit.generator.CustomChunkGenerator bukkit) {
+ chunkGenerator = bukkit.delegate;
+ } else {
+ chunkGenerator = serverLevel.chunkSource.getGenerator();
+ }
+
+ final net.minecraft.world.level.ChunkPos chunkPos = new net.minecraft.world.level.ChunkPos(x, z);
+ final net.minecraft.util.thread.ProcessorMailbox<Runnable> mailbox = net.minecraft.util.thread.ProcessorMailbox.create(
+ net.minecraft.Util.backgroundExecutor(),
+ "CraftServer#createVanillaChunkData(worldName='" + world.getName() + "', x='" + x + "', z='" + z + "')"
+ );
+ for (final net.minecraft.world.level.chunk.ChunkStatus chunkStatus : VANILLA_GEN_STATUSES) {
+ final List<net.minecraft.world.level.chunk.ChunkAccess> chunks = Lists.newArrayList();
+ final int statusRange = Math.max(1, chunkStatus.getRange());
+
+ for (int zz = chunkPos.z - statusRange; zz <= chunkPos.z + statusRange; ++zz) {
+ for (int xx = chunkPos.x - statusRange; xx <= chunkPos.x + statusRange; ++xx) {
+ if (xx == chunkPos.x && zz == chunkPos.z) {
+ chunks.add(protoChunk);
+ } else {
+ final net.minecraft.world.level.chunk.ChunkAccess chunk = new PaperEmptyLevelChunk(serverLevel, new net.minecraft.world.level.ChunkPos(xx, zz));
+ chunks.add(chunk);
+ }
+ }
+ }
+
+ chunkStatus.generate(
+ mailbox::tell,
+ serverLevel,
+ chunkGenerator,
+ serverLevel.getStructureManager(),
+ serverLevel.chunkSource.getLightEngine(),
+ chunk -> {
+ throw new UnsupportedOperationException("Not creating full chunks here");
+ },
+ chunks,
+ true
+ ).thenAccept(either -> {
+ if (chunkStatus == net.minecraft.world.level.chunk.ChunkStatus.NOISE) {
+ either.left().ifPresent(chunk -> net.minecraft.world.level.levelgen.Heightmap.primeHeightmaps(chunk, net.minecraft.world.level.chunk.ChunkStatus.POST_FEATURES));
+ }
+ }).join();
+ }
+
+ // get empty object
+ OldCraftChunkData data = (OldCraftChunkData) this.createChunkData(world);
+ // copy over generated sections
+ data.getLights().addAll(protoChunk.getLights().toList());
+ data.setRawChunkData(protoChunk.getSections());
+ // hooray!
+ return data;
+ }
+ // Paper end
+
@Override
public BossBar createBossBar(String title, BarColor color, BarStyle style, BarFlag... flags) {
return new CraftBossBar(title, color, style, flags);
diff --git a/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java b/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
index 6f6bf950cd15b34031618782c82824cf0b191ff8..8d8c7d84a76b11e14ee252e93349d495eec77957 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
@@ -23,7 +23,7 @@ import org.bukkit.material.MaterialData;
public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
private final int minHeight;
private final int maxHeight;
- private final LevelChunkSection[] sections;
+ private LevelChunkSection[] sections; // Paper
private final Registry<net.minecraft.world.level.biome.Biome> biomes;
private Set<BlockPos> tiles;
private final Set<BlockPos> lights = new HashSet<>();
@@ -194,7 +194,13 @@ public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
return this.tiles;
}
- Set<BlockPos> getLights() {
+ public Set<BlockPos> getLights() { // Paper
return this.lights;
}
+
+ // Paper start
+ public void setRawChunkData(LevelChunkSection[] sections) {
+ this.sections = sections;
+ }
+ // Paper end
}
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