PaperMC/patches/server/0485-Allow-delegation-to-vanilla-chunk-gen.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MiniDigger <admin@minidigger.me>
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 da9fc8a99576f13a52ab4830cb09b69b1e406fae..81effb4bc34d3cb4325510c1b0de39956961c427 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2198,6 +2198,32 @@ public final class CraftServer implements Server {
return new OldCraftChunkData(world);
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}
+ // Paper start
+ @Override
+ public ChunkGenerator.ChunkData createVanillaChunkData(World world, int x, int z) {
+ // get empty object
+ OldCraftChunkData data = (OldCraftChunkData) createChunkData(world);
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+ // do bunch of vanilla shit
+ net.minecraft.server.level.ServerLevel nmsWorld = ((CraftWorld) world).getHandle();
+ net.minecraft.world.level.chunk.ProtoChunk protoChunk = new net.minecraft.world.level.chunk.ProtoChunk(new net.minecraft.world.level.ChunkPos(x, z), null, nmsWorld, nmsWorld);
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+ List<net.minecraft.world.level.chunk.ChunkAccess> list = new ArrayList<>();
+ list.add(protoChunk);
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+ net.minecraft.server.level.WorldGenRegion genRegion = new net.minecraft.server.level.WorldGenRegion(nmsWorld, list, net.minecraft.world.level.chunk.ChunkStatus.EMPTY, -1);
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+ // call vanilla generator, one feature after another. Order here is important!
+ net.minecraft.world.level.chunk.ChunkGenerator chunkGenerator = nmsWorld.getChunkSource().generator;
+ if (chunkGenerator instanceof org.bukkit.craftbukkit.generator.CustomChunkGenerator) {
+ chunkGenerator = ((org.bukkit.craftbukkit.generator.CustomChunkGenerator) chunkGenerator).delegate;
+ }
+ chunkGenerator.createBiomes(nmsWorld.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY), protoChunk);
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+ chunkGenerator.fillFromNoise((runnable) -> {}, nmsWorld.structureFeatureManager(), protoChunk);
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+ chunkGenerator.buildSurfaceAndBedrock(genRegion, protoChunk);
+ // copy over generated sections
+ 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 a48c659c02c6c33a8efdac6daf9c9a0708f05071..932bd3334b5852c8f209678b1444fc0e43a637f0 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/OldCraftChunkData.java
@@ -22,7 +22,7 @@ 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;
private Set<BlockPos> tiles;
private final Set<BlockPos> lights = new HashSet<>();
private World world; // Paper - Anti-Xray - Add parameters
@@ -195,4 +195,10 @@ public final class OldCraftChunkData implements ChunkGenerator.ChunkData {
Set<BlockPos> getLights() {
return this.lights;
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}
+
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+ // Paper start
+ public void setRawChunkData(LevelChunkSection[] sections) {
+ this.sections = sections;
+ }
+ // Paper end
}