Paper/patches/server/0848-Implement-regenerateChunk.patch
Nassim Jahnke 73bd35d076
Updated Upstream (Bukkit/CraftBukkit)
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:
218294b1 PR-743: Support setting individual Wither head targets

CraftBukkit Changes:
d48f2d1a PR-1047: Support setting individual Wither head targets
518f1bee SPIGOT-6948: Motion from Explosion after Respawn
f3c7a6ac SPIGOT-7019: Add yaw in World#getSpawnLocation
2022-05-17 11:51:46 +02:00

98 lines
5.4 KiB
Diff

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 bd24cf74dfc0974f5bc132994deac45b4ec7b344..7b5e099f73dae3846a1190523e769530ffac2f28 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -133,6 +133,7 @@ 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;
@@ -443,27 +444,61 @@ 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, 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 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