Paper/patches/server/0807-Allow-delegation-to-vanilla-chunk-gen.patch
Nassim Jahnke 18f0f8d1ca
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
312281ea PR-742: Make World implement Keyed

CraftBukkit Changes:
2ac7fa7a SPIGOT-7014: getLootTable API should not persistently update loot table
7fdd7941 PR-1046: Make World implement Keyed
7bc728a6 PR-1045: Revert changes to persistence required checks

Spigot Changes:
b6d12d17 Rebuild patches
2022-05-09 11:03:07 +02:00

130 lines
6.7 KiB
Diff

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 7b1bccfbf44c5b431f52f4ed974f9143c12a8300..72bb60f5bf4cf67bd2951228287693cfc52e2b2b 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2311,6 +2311,90 @@ 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
+ );
+
+ @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 Holder<net.minecraft.world.level.biome.Biome> biomeHolder = serverLevel.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY).getHolderOrThrow(net.minecraft.world.level.biome.Biomes.PLAINS);
+ final net.minecraft.world.level.chunk.ChunkAccess chunk = new net.minecraft.world.level.chunk.EmptyLevelChunk(serverLevel, new net.minecraft.world.level.ChunkPos(xx, zz), biomeHolder);
+ 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
}