Paper/patches/server/0811-Implement-regenerateChunk.patch
Nassim Jahnke 928bcc8d3a
Updated Upstream (Bukkit/CraftBukkit) (#8430)
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:
09943450 Update SnakeYAML version
5515734f SPIGOT-7162: Incorrect description for Entity#getVehicle javadoc
6f82b381 PR-788: Add getHand() to all relevant events

CraftBukkit Changes:
aaf484f6f SPIGOT-7163: CraftMerchantRecipe doesn't copy demand and specialPrice from BukkitMerchantRecipe
5329dd6fd PR-1107: Add getHand() to all relevant events
93061706e SPIGOT-7045: Ocelots never spawn with babies with spawn reason OCELOT_BABY
2022-10-02 09:56:36 +02:00

99 lines
5.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Mon, 31 Jan 2022 11:21:50 +0100
Subject: [PATCH] Implement regenerateChunk
Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 36a8552f046f8f6bf8138bef4ff0c526425e57a4..7757e5b1aec0b1f0cba79aa4618a7fe1d210b72c 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -139,6 +139,7 @@ import org.bukkit.util.Vector;
public class CraftWorld extends CraftRegionAccessor implements World {
public static final int CUSTOM_DIMENSION_OFFSET = 10;
private static final CraftPersistentDataTypeRegistry DATA_TYPE_REGISTRY = new CraftPersistentDataTypeRegistry();
+ private static final ChunkStatus[] REGEN_CHUNK_STATUSES = {ChunkStatus.BIOMES, ChunkStatus.NOISE, ChunkStatus.SURFACE, ChunkStatus.CARVERS, ChunkStatus.LIQUID_CARVERS, ChunkStatus.FEATURES}; // Paper - implement regenerate chunk method
private final ServerLevel world;
private WorldBorder worldBorder;
@@ -419,27 +420,62 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean regenerateChunk(int x, int z) {
org.spigotmc.AsyncCatcher.catchOp("chunk regenerate"); // Spigot
- throw new UnsupportedOperationException("Not supported in this Minecraft version! Unless you can fix it, this is not a bug :)");
- /*
- if (!unloadChunk0(x, z, false)) {
- return false;
- }
-
- final long chunkKey = ChunkCoordIntPair.pair(x, z);
- world.getChunkProvider().unloadQueue.remove(chunkKey);
+ // Paper start - implement regenerateChunk method
+ final ServerLevel serverLevel = this.world;
+ final net.minecraft.server.level.ServerChunkCache serverChunkCache = serverLevel.getChunkSource();
+ final ChunkPos chunkPos = new ChunkPos(x, z);
+ final net.minecraft.world.level.chunk.LevelChunk levelChunk = serverChunkCache.getChunk(chunkPos.x, chunkPos.z, true);
+ for (final BlockPos blockPos : BlockPos.betweenClosed(chunkPos.getMinBlockX(), serverLevel.getMinBuildHeight(), chunkPos.getMinBlockZ(), chunkPos.getMaxBlockX(), serverLevel.getMaxBuildHeight() - 1, chunkPos.getMaxBlockZ())) {
+ levelChunk.removeBlockEntity(blockPos);
+ serverLevel.setBlock(blockPos, net.minecraft.world.level.block.Blocks.AIR.defaultBlockState(), 16);
+ }
+
+ for (final ChunkStatus chunkStatus : REGEN_CHUNK_STATUSES) {
+ final List<ChunkAccess> list = new ArrayList<>();
+ final int range = Math.max(1, chunkStatus.getRange());
+ for (int chunkX = chunkPos.z - range; chunkX <= chunkPos.z + range; chunkX++) {
+ for (int chunkZ = chunkPos.x - range; chunkZ <= chunkPos.x + range; chunkZ++) {
+ ChunkAccess chunkAccess = serverChunkCache.getChunk(chunkZ, chunkX, chunkStatus.getParent(), true);
+ if (chunkAccess instanceof ImposterProtoChunk accessProtoChunk) {
+ chunkAccess = new ImposterProtoChunk(accessProtoChunk.getWrapped(), true);
+ } else if (chunkAccess instanceof net.minecraft.world.level.chunk.LevelChunk accessLevelChunk) {
+ chunkAccess = new ImposterProtoChunk(accessLevelChunk, true);
+ }
+ list.add(chunkAccess);
+ }
+ }
- net.minecraft.server.Chunk chunk = world.getChunkProvider().generateChunk(x, z);
- PlayerChunk playerChunk = world.getPlayerChunkMap().getChunk(x, z);
- if (playerChunk != null) {
- playerChunk.chunk = chunk;
+ final java.util.concurrent.CompletableFuture<com.mojang.datafixers.util.Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> future = chunkStatus.generate(
+ Runnable::run,
+ serverLevel,
+ serverChunkCache.getGenerator(),
+ serverLevel.getStructureManager(),
+ serverChunkCache.getLightEngine(),
+ chunk -> {
+ throw new UnsupportedOperationException("Not creating full chunks here");
+ },
+ list,
+ true
+ );
+ serverChunkCache.mainThreadProcessor.managedBlock(future::isDone);
+ if (chunkStatus == ChunkStatus.NOISE) {
+ future.join().left().ifPresent(chunk -> net.minecraft.world.level.levelgen.Heightmap.primeHeightmaps(chunk, ChunkStatus.POST_FEATURES));
+ }
}
- if (chunk != null) {
- refreshChunk(x, z);
+ for (final BlockPos blockPos : BlockPos.betweenClosed(chunkPos.getMinBlockX(), serverLevel.getMinBuildHeight(), chunkPos.getMinBlockZ(), chunkPos.getMaxBlockX(), serverLevel.getMaxBuildHeight() - 1, chunkPos.getMaxBlockZ())) {
+ serverChunkCache.blockChanged(blockPos);
}
- return chunk != null;
- */
+ final Set<ChunkPos> chunksToRelight = new HashSet<>(9);
+ for (int chunkX = chunkPos.x - 1; chunkX <= chunkPos.x + 1 ; chunkX++) {
+ for (int chunkZ = chunkPos.z - 1; chunkZ <= chunkPos.z + 1 ; chunkZ++) {
+ chunksToRelight.add(new ChunkPos(chunkX, chunkZ));
+ }
+ }
+ serverChunkCache.getLightEngine().relight(chunksToRelight, pos -> {}, relit -> {});
+ return true;
+ // Paper end
}
@Override