--- /dev/null +++ b/io/papermc/paper/FeatureHooks.java @@ -1,0 +_,234 @@ +package io.papermc.paper; + +import io.papermc.paper.command.PaperSubcommand; +import it.unimi.dsi.fastutil.longs.LongOpenHashSet; +import it.unimi.dsi.fastutil.longs.LongSet; +import it.unimi.dsi.fastutil.longs.LongSets; +import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet; +import it.unimi.dsi.fastutil.objects.ObjectSet; +import it.unimi.dsi.fastutil.objects.ObjectSets; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; +import net.minecraft.core.Registry; +import net.minecraft.network.protocol.game.ClientboundLevelChunkWithLightPacket; +import net.minecraft.server.level.ServerPlayer; +import net.minecraft.world.entity.Entity; +import net.minecraft.world.entity.monster.Spider; +import net.minecraft.world.level.ChunkPos; +import net.minecraft.world.level.Level; +import net.minecraft.world.level.biome.Biome; +import net.minecraft.world.level.block.Block; +import net.minecraft.world.level.block.Blocks; +import net.minecraft.world.level.block.state.BlockState; +import net.minecraft.world.level.chunk.LevelChunk; +import net.minecraft.world.level.chunk.LevelChunkSection; +import net.minecraft.world.level.chunk.PalettedContainer; +import org.bukkit.Chunk; +import org.bukkit.World; + +public final class FeatureHooks { + + public static void initChunkTaskScheduler(final boolean useParallelGen) { + } + + public static void registerPaperCommands(final Map, PaperSubcommand> commands) { + } + + public static LevelChunkSection createSection(final Registry biomeRegistry, final Level level, final ChunkPos chunkPos, final int chunkSection) { + return new LevelChunkSection(biomeRegistry); + } + + public static void sendChunkRefreshPackets(final List playersInRange, final LevelChunk chunk) { + final ClientboundLevelChunkWithLightPacket refreshPacket = new ClientboundLevelChunkWithLightPacket(chunk, chunk.level.getLightEngine(), null, null); + for (final ServerPlayer player : playersInRange) { + if (player.connection == null) continue; + + player.connection.send(refreshPacket); + } + } + + public static PalettedContainer emptyPalettedBlockContainer() { + return new PalettedContainer<>(Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES); + } + + public static Set getSentChunkKeys(final ServerPlayer player) { + final LongSet keys = new LongOpenHashSet(); + player.getChunkTrackingView().forEach(pos -> keys.add(pos.longKey)); + return LongSets.unmodifiable(keys); + } + + public static Set getSentChunks(final ServerPlayer player) { + final ObjectSet chunks = new ObjectOpenHashSet<>(); + final World world = player.serverLevel().getWorld(); + player.getChunkTrackingView().forEach(pos -> { + final org.bukkit.Chunk chunk = world.getChunkAt(pos.longKey); + chunks.add(chunk); + }); + return ObjectSets.unmodifiable(chunks); + } + + public static boolean isChunkSent(final ServerPlayer player, final long chunkKey) { + return player.getChunkTrackingView().contains(new ChunkPos(chunkKey)); + } + + public static boolean isSpiderCollidingWithWorldBorder(final Spider spider) { + return true; // ca.spottedleaf.moonrise.patches.collisions.CollisionUtil.isCollidingWithBorder(spider.level().getWorldBorder(), spider.getBoundingBox().inflate(ca.spottedleaf.moonrise.patches.collisions.CollisionUtil.COLLISION_EPSILON)) + } + + public static void dumpAllChunkLoadInfo(net.minecraft.server.MinecraftServer server, boolean isLongTimeout) { + } + + private static void dumpEntity(final Entity entity) { + } + + public static org.bukkit.entity.Entity[] getChunkEntities(net.minecraft.server.level.ServerLevel world, int chunkX, int chunkZ) { + world.getChunk(chunkX, chunkZ); // ensure full loaded + + net.minecraft.world.level.entity.PersistentEntitySectionManager entityManager = world.entityManager; + long pair = ChunkPos.asLong(chunkX, chunkZ); + + if (entityManager.areEntitiesLoaded(pair)) { + return entityManager.getEntities(new ChunkPos(chunkX, chunkZ)).stream() + .map(net.minecraft.world.entity.Entity::getBukkitEntity) + .filter(java.util.Objects::nonNull).toArray(org.bukkit.entity.Entity[]::new); + } + + entityManager.ensureChunkQueuedForLoad(pair); // Start entity loading + + // SPIGOT-6772: Use entity mailbox and re-schedule entities if they get unloaded + net.minecraft.util.thread.ConsecutiveExecutor mailbox = ((net.minecraft.world.level.chunk.storage.EntityStorage) entityManager.permanentStorage).entityDeserializerQueue; + java.util.function.BooleanSupplier supplier = () -> { + // only execute inbox if our entities are not present + if (entityManager.areEntitiesLoaded(pair)) { + return true; + } + + if (!entityManager.isPending(pair)) { + // Our entities got unloaded, this should normally not happen. + entityManager.ensureChunkQueuedForLoad(pair); // Re-start entity loading + } + + // tick loading inbox, which loads the created entities to the world + // (if present) + entityManager.tick(); + // check if our entities are loaded + return entityManager.areEntitiesLoaded(pair); + }; + + // now we wait until the entities are loaded, + // the converting from NBT to entity object is done on the main Thread which is why we wait + while (!supplier.getAsBoolean()) { + if (mailbox.size() != 0) { + mailbox.run(); + } else { + Thread.yield(); + java.util.concurrent.locks.LockSupport.parkNanos("waiting for entity loading", 100000L); + } + } + + return entityManager.getEntities(new ChunkPos(chunkX, chunkZ)).stream() + .map(net.minecraft.world.entity.Entity::getBukkitEntity) + .filter(java.util.Objects::nonNull).toArray(org.bukkit.entity.Entity[]::new); + } + + public static java.util.Collection getPluginChunkTickets(net.minecraft.server.level.ServerLevel world, + int x, int z) { + net.minecraft.server.level.DistanceManager chunkDistanceManager = world.getChunkSource().chunkMap.distanceManager; + net.minecraft.util.SortedArraySet> tickets = chunkDistanceManager.tickets.get(ChunkPos.asLong(x, z)); + + if (tickets == null) { + return java.util.Collections.emptyList(); + } + + com.google.common.collect.ImmutableList.Builder ret = com.google.common.collect.ImmutableList.builder(); + for (net.minecraft.server.level.Ticket ticket : tickets) { + if (ticket.getType() == net.minecraft.server.level.TicketType.PLUGIN_TICKET) { + ret.add((org.bukkit.plugin.Plugin) ticket.key); + } + } + + return ret.build(); + } + + public static Map> getPluginChunkTickets(net.minecraft.server.level.ServerLevel world) { + Map> ret = new HashMap<>(); + net.minecraft.server.level.DistanceManager chunkDistanceManager = world.getChunkSource().chunkMap.distanceManager; + + for (it.unimi.dsi.fastutil.longs.Long2ObjectMap.Entry>> chunkTickets : chunkDistanceManager.tickets.long2ObjectEntrySet()) { + long chunkKey = chunkTickets.getLongKey(); + net.minecraft.util.SortedArraySet> tickets = chunkTickets.getValue(); + + org.bukkit.Chunk chunk = null; + for (net.minecraft.server.level.Ticket ticket : tickets) { + if (ticket.getType() != net.minecraft.server.level.TicketType.PLUGIN_TICKET) { + continue; + } + + if (chunk == null) { + chunk = world.getWorld().getChunkAt(ChunkPos.getX(chunkKey), ChunkPos.getZ(chunkKey)); + } + + ret.computeIfAbsent((org.bukkit.plugin.Plugin) ticket.key, (key) -> com.google.common.collect.ImmutableList.builder()).add(chunk); + } + } + + return ret.entrySet().stream().collect(com.google.common.collect.ImmutableMap.toImmutableMap(Map.Entry::getKey, (entry) -> entry.getValue().build())); + } + + public static int getViewDistance(net.minecraft.server.level.ServerLevel world) { + return world.getChunkSource().chunkMap.serverViewDistance; + } + + public static int getSimulationDistance(net.minecraft.server.level.ServerLevel world) { + return world.getChunkSource().chunkMap.getDistanceManager().simulationDistance; + } + + public static int getSendViewDistance(net.minecraft.server.level.ServerLevel world) { + return getViewDistance(world); + } + + public static void setViewDistance(net.minecraft.server.level.ServerLevel world, int distance) { + if (distance < 2 || distance > 32) { + throw new IllegalArgumentException("View distance " + distance + " is out of range of [2, 32]"); + } + world.chunkSource.chunkMap.setServerViewDistance(distance); + } + + public static void setSimulationDistance(net.minecraft.server.level.ServerLevel world, int distance) { + if (distance < 2 || distance > 32) { + throw new IllegalArgumentException("Simulation distance " + distance + " is out of range of [2, 32]"); + } + world.chunkSource.chunkMap.distanceManager.updateSimulationDistance(distance); + } + + public static void setSendViewDistance(net.minecraft.server.level.ServerLevel world, int distance) { + throw new UnsupportedOperationException("Not implemented yet"); + } + + public static void tickEntityManager(net.minecraft.server.level.ServerLevel world) { + world.entityManager.tick(); + } + + public static void closeEntityManager(net.minecraft.server.level.ServerLevel world, boolean save) { + world.entityManager.close(save); + } + + public static java.util.concurrent.Executor getWorldgenExecutor() { + return net.minecraft.Util.backgroundExecutor(); + } + + public static void setViewDistance(ServerPlayer player, int distance) { + throw new UnsupportedOperationException("Not implemented yet"); + } + + public static void setSimulationDistance(ServerPlayer player, int distance) { + throw new UnsupportedOperationException("Not implemented yet"); + } + + public static void setSendViewDistance(ServerPlayer player, int distance) { + throw new UnsupportedOperationException("Not implemented yet"); + } + +}