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Implement World#regenerateChunk (#7425)

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Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Dieser Commit ist enthalten in:
Nassim Jahnke 2022-02-05 20:47:11 +01:00 committet von GitHub
Ursprung 6df46412cf
Commit 0cc2503b88
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GPG-Schlüssel-ID: 4AEE18F83AFDEB23
3 geänderte Dateien mit 170 neuen und 3 gelöschten Zeilen
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21
patches/api/0365-Implement-regenerateChunk.patch Normale Datei
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@ -0,0 +1,21 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <jahnke.nassim@gmail.com>
Date: Sat, 5 Feb 2022 20:25:28 +0100
Subject: [PATCH] Implement regenerateChunk
diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index c808cc8dc96e325c543391048414880ed18a3ed3..7d2873a924ee81411a2a00bace0f58403fec43ea 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -505,8 +505,8 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
* @return Whether the chunk was actually regenerated
*
* @deprecated regenerating a single chunk is not likely to produce the same
- * chunk as before as terrain decoration may be spread across chunks. Use of
- * this method should be avoided as it is known to produce buggy results.
+ * chunk as before as terrain decoration may be spread across chunks. It may
+ * or may not change blocks in the adjacent chunks as well.
*/
@Deprecated
public boolean regenerateChunk(int x, int z);

55
patches/server/0825-Only-write-chunk-data-to-disk-if-it-serializes-witho.patch
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@ -7,15 +7,50 @@ Subject: [PATCH] Only write chunk data to disk if it serializes without
This ensures at least a valid version of the chunk exists This ensures at least a valid version of the chunk exists
on disk, even if outdated on disk, even if outdated
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
index 950efcc80455f73ec8ca4e991fcf9a5b2b7fa22e..012909055f4def2330e2fa839a98ff8bb41ea604 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
@@ -1020,6 +1020,24 @@ public class RegionFile implements AutoCloseable {
this.pos = chunkcoordintpair;
}
+ // Paper start - don't write garbage data to disk if writing serialization fails
+ @Override
+ public void write(final int b) {
+ if (this.count > 500_000_000) {
+ throw new RegionFileStorage.RegionFileSizeException("Region file too large: " + this.count);
+ }
+ super.write(b);
+ }
+
+ @Override
+ public void write(final byte[] b, final int off, final int len) {
+ if (this.count + len > 500_000_000) {
+ throw new RegionFileStorage.RegionFileSizeException("Region file too large: " + (this.count + len));
+ }
+ super.write(b, off, len);
+ }
+ // Paper end
+
public void close() throws IOException {
ByteBuffer bytebuffer = ByteBuffer.wrap(this.buf, 0, this.count);
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
index 2dde10324e515bd58fc6ba7e93156ae783492cc2..c7216cf3317cbd49b032c44feb370c50928dd21e 100644 index 9f6c1de59ca011bd1203499f325fdfa305e215ce..4502362ff3c43eac489125deee59c66d76204e98 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
@@ -298,10 +298,11 @@ public class RegionFileStorage implements AutoCloseable { @@ -298,10 +298,17 @@ public class RegionFileStorage implements AutoCloseable {
NbtIo.write(nbt, (DataOutput) dataoutputstream); NbtIo.write(nbt, (DataOutput) dataoutputstream);
regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - cache status on disk regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - cache status on disk
regionfile.setOversized(pos.x, pos.z, false); // Paper - We don't do this anymore, mojang stores differently, but clear old meta flag if it exists to get rid of our own meta file once last oversized is gone regionfile.setOversized(pos.x, pos.z, false); // Paper - We don't do this anymore, mojang stores differently, but clear old meta flag if it exists to get rid of our own meta file once last oversized is gone
+ dataoutputstream.close(); // Paper - only write if successful + dataoutputstream.close(); // Paper - only write if successful
+ // Paper start - don't write garbage data to disk if writing serialization fails
+ } catch (RegionFileSizeException e) {
+ attempts = 5; // Don't retry
+ regionfile.clear(pos);
+ throw e;
+ // Paper end - don't write garbage data to disk if writing serialization fails
} catch (Throwable throwable) { } catch (Throwable throwable) {
if (dataoutputstream != null) { if (dataoutputstream != null) {
try { try {
@ -24,7 +59,7 @@ index 2dde10324e515bd58fc6ba7e93156ae783492cc2..c7216cf3317cbd49b032c44feb370c50
} catch (Throwable throwable1) { } catch (Throwable throwable1) {
throwable.addSuppressed(throwable1); throwable.addSuppressed(throwable1);
} }
@@ -309,10 +310,7 @@ public class RegionFileStorage implements AutoCloseable { @@ -309,10 +316,7 @@ public class RegionFileStorage implements AutoCloseable {
throw throwable; throw throwable;
} }
@ -36,3 +71,17 @@ index 2dde10324e515bd58fc6ba7e93156ae783492cc2..c7216cf3317cbd49b032c44feb370c50
} }
// Paper start // Paper start
@@ -359,4 +363,13 @@ public class RegionFileStorage implements AutoCloseable {
}
}
+
+ // Paper start
+ public static final class RegionFileSizeException extends RuntimeException {
+
+ public RegionFileSizeException(String message) {
+ super(message);
+ }
+ }
+ // Paper end
}

97
patches/server/0862-Implement-regenerateChunk.patch Normale Datei
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@ -0,0 +1,97 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <jahnke.nassim@gmail.com>
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 5fb475b3ccaa98861e2c817b37cd1740e5bfed8d..f2deb875992ad2d5c9dbcfe9ee7071a773fed684 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -121,6 +121,7 @@ import org.bukkit.util.Vector;
public class CraftWorld extends CraftRegionAccessor implements World {
public static final int CUSTOM_DIMENSION_OFFSET = 10;
+ 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;
@@ -435,27 +436,61 @@ 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, 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 com.mojang.datafixers.util.Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure> either = chunkStatus.generate(
+ Runnable::run,
+ serverLevel,
+ serverChunkCache.getGenerator(),
+ serverLevel.getStructureManager(),
+ serverChunkCache.getLightEngine(),
+ chunk -> {
+ throw new UnsupportedOperationException("Not creating full chunks here");
+ },
+ list,
+ true
+ ).join();
+ if (chunkStatus == ChunkStatus.NOISE) {
+ either.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