Paper/patches/server/0760-Allow-delegation-to-vanilla-chunk-gen.patch
Jake Potrebic 9147456fc9
Updated Upstream (CraftBukkit/Spigot) (#8815)
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

CraftBukkit Changes:
ab8ace685 SPIGOT-7236: Bone meal doesn't increase use statistic
7dcb59b8e Avoid switch on material in previous commit

Spigot Changes:
19641c75 SPIGOT-7235: World.Spigot#strikeLightningEffect doesn't do anything
2023-01-27 12:52:04 -08:00

130 lines
6.8 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 9ab3f3a490e55211670e2847f03bd4f8229162da..74c2bb3de8b5bfc3b285a19a322cfe308a9b88f2 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2356,6 +2356,90 @@ public final class CraftServer implements Server {
return new OldCraftChunkData(world.getMinHeight(), world.getMaxHeight(), handle.registryAccess().registryOrThrow(Registries.BIOME), 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 net.minecraft.core.Registry<net.minecraft.world.level.biome.Biome> biomeRegistry = serverLevel.getServer().registryAccess().registryOrThrow(net.minecraft.core.registries.Registries.BIOME);
+ 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.getDelegate();
+ } 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.core.Holder<net.minecraft.world.level.biome.Biome> biomeHolder = serverLevel.registryAccess().registryOrThrow(net.minecraft.core.registries.Registries.BIOME).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 4a23d03757e1735b9ebb8c003adcc0374a7d672d..ce006e1d6c38e5b0bdb336c480fb9d291292f75c 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
}