package net.minecraft.client.multiplayer;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Queues;
import com.mojang.logging.LogUtils;
import it.unimi.dsi.fastutil.objects.Object2ObjectArrayMap;
import java.util.Arrays;
import java.util.Deque;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.BooleanSupplier;
import java.util.function.Supplier;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.CrashReport;
import net.minecraft.CrashReportCategory;
import net.minecraft.CrashReportDetail;
import net.minecraft.ReportedException;
import net.minecraft.Util;
import net.minecraft.client.Minecraft;
import net.minecraft.client.color.block.BlockTintCache;
import net.minecraft.client.multiplayer.prediction.BlockStatePredictionHandler;
import net.minecraft.client.particle.FireworkParticles.Starter;
import net.minecraft.client.player.AbstractClientPlayer;
import net.minecraft.client.player.LocalPlayer;
import net.minecraft.client.renderer.BiomeColors;
import net.minecraft.client.renderer.DimensionSpecialEffects;
import net.minecraft.client.renderer.LevelEventHandler;
import net.minecraft.client.renderer.LevelRenderer;
import net.minecraft.client.resources.sounds.EntityBoundSoundInstance;
import net.minecraft.client.resources.sounds.SimpleSoundInstance;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Cursor3D;
import net.minecraft.core.Direction;
import net.minecraft.core.Holder;
import net.minecraft.core.particles.BlockParticleOption;
import net.minecraft.core.particles.ParticleOptions;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.core.registries.Registries;
import net.minecraft.network.chat.Component;
import net.minecraft.network.protocol.Packet;
import net.minecraft.resources.ResourceKey;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundSource;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.ARGB;
import net.minecraft.util.CubicSampler;
import net.minecraft.util.Mth;
import net.minecraft.util.RandomSource;
import net.minecraft.util.profiling.Profiler;
import net.minecraft.util.profiling.ProfilerFiller;
import net.minecraft.util.profiling.Zone;
import net.minecraft.world.Difficulty;
import net.minecraft.world.TickRateManager;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntitySelector;
import net.minecraft.world.entity.boss.EnderDragonPart;
import net.minecraft.world.entity.boss.enderdragon.EnderDragon;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.flag.FeatureFlagSet;
import net.minecraft.world.item.BlockItem;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.item.alchemy.PotionBrewing;
import net.minecraft.world.item.component.FireworkExplosion;
import net.minecraft.world.item.crafting.RecipeAccess;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.ColorResolver;
import net.minecraft.world.level.ExplosionDamageCalculator;
import net.minecraft.world.level.GameType;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelHeightAccessor;
import net.minecraft.world.level.biome.Biome;
import net.minecraft.world.level.biome.Biomes;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.entity.FuelValues;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.chunk.LevelChunk;
import net.minecraft.world.level.dimension.DimensionType;
import net.minecraft.world.level.entity.EntityTickList;
import net.minecraft.world.level.entity.LevelCallback;
import net.minecraft.world.level.entity.LevelEntityGetter;
import net.minecraft.world.level.entity.TransientEntitySectionManager;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.level.gameevent.GameEvent.Context;
import net.minecraft.world.level.material.Fluid;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.saveddata.maps.MapId;
import net.minecraft.world.level.saveddata.maps.MapItemSavedData;
import net.minecraft.world.level.storage.WritableLevelData;
import net.minecraft.world.phys.AABB;
import net.minecraft.world.phys.Vec3;
import net.minecraft.world.phys.shapes.VoxelShape;
import net.minecraft.world.scores.Scoreboard;
import net.minecraft.world.ticks.BlackholeTickAccess;
import net.minecraft.world.ticks.LevelTickAccess;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;

@Environment(EnvType.CLIENT)
public class ClientLevel extends Level implements CacheSlot.Cleaner<ClientLevel> {
	private static final Logger LOGGER = LogUtils.getLogger();
	private static final double FLUID_PARTICLE_SPAWN_OFFSET = 0.05;
	private static final int NORMAL_LIGHT_UPDATES_PER_FRAME = 10;
	private static final int LIGHT_UPDATE_QUEUE_SIZE_THRESHOLD = 1000;
	final EntityTickList tickingEntities = new EntityTickList();
	private final TransientEntitySectionManager<Entity> entityStorage = new TransientEntitySectionManager<>(Entity.class, new ClientLevel.EntityCallbacks());
	private final ClientPacketListener connection;
	private final LevelRenderer levelRenderer;
	private final LevelEventHandler levelEventHandler;
	private final ClientLevel.ClientLevelData clientLevelData;
	private final DimensionSpecialEffects effects;
	private final TickRateManager tickRateManager;
	private final Minecraft minecraft = Minecraft.getInstance();
	final List<AbstractClientPlayer> players = Lists.<AbstractClientPlayer>newArrayList();
	final List<EnderDragonPart> dragonParts = Lists.<EnderDragonPart>newArrayList();
	private final Map<MapId, MapItemSavedData> mapData = Maps.<MapId, MapItemSavedData>newHashMap();
	private static final int CLOUD_COLOR = -1;
	private int skyFlashTime;
	private final Object2ObjectArrayMap<ColorResolver, BlockTintCache> tintCaches = Util.make(
		new Object2ObjectArrayMap<>(3),
		object2ObjectArrayMap -> {
			object2ObjectArrayMap.put(
				BiomeColors.GRASS_COLOR_RESOLVER, new BlockTintCache(blockPos -> this.calculateBlockTint(blockPos, BiomeColors.GRASS_COLOR_RESOLVER))
			);
			object2ObjectArrayMap.put(
				BiomeColors.FOLIAGE_COLOR_RESOLVER, new BlockTintCache(blockPos -> this.calculateBlockTint(blockPos, BiomeColors.FOLIAGE_COLOR_RESOLVER))
			);
			object2ObjectArrayMap.put(
				BiomeColors.DRY_FOLIAGE_COLOR_RESOLVER, new BlockTintCache(blockPos -> this.calculateBlockTint(blockPos, BiomeColors.DRY_FOLIAGE_COLOR_RESOLVER))
			);
			object2ObjectArrayMap.put(
				BiomeColors.WATER_COLOR_RESOLVER, new BlockTintCache(blockPos -> this.calculateBlockTint(blockPos, BiomeColors.WATER_COLOR_RESOLVER))
			);
		}
	);
	private final ClientChunkCache chunkSource;
	private final Deque<Runnable> lightUpdateQueue = Queues.<Runnable>newArrayDeque();
	private int serverSimulationDistance;
	private final BlockStatePredictionHandler blockStatePredictionHandler = new BlockStatePredictionHandler();
	private final int seaLevel;
	private boolean tickDayTime;
	private static final Set<Item> MARKER_PARTICLE_ITEMS = Set.of(Items.BARRIER, Items.LIGHT);

	public void handleBlockChangedAck(int sequence) {
		this.blockStatePredictionHandler.endPredictionsUpTo(sequence, this);
	}

	public void setServerVerifiedBlockState(BlockPos pos, BlockState state, int flags) {
		if (!this.blockStatePredictionHandler.updateKnownServerState(pos, state)) {
			super.setBlock(pos, state, flags, 512);
		}
	}

	public void syncBlockState(BlockPos pos, BlockState state, Vec3 playerPos) {
		BlockState blockState = this.getBlockState(pos);
		if (blockState != state) {
			this.setBlock(pos, state, 19);
			Player player = this.minecraft.player;
			if (this == player.level() && player.isColliding(pos, state)) {
				player.absSnapTo(playerPos.x, playerPos.y, playerPos.z);
			}
		}
	}

	BlockStatePredictionHandler getBlockStatePredictionHandler() {
		return this.blockStatePredictionHandler;
	}

	@Override
	public boolean setBlock(BlockPos pos, BlockState state, int flags, int recursionLeft) {
		if (this.blockStatePredictionHandler.isPredicting()) {
			BlockState blockState = this.getBlockState(pos);
			boolean bl = super.setBlock(pos, state, flags, recursionLeft);
			if (bl) {
				this.blockStatePredictionHandler.retainKnownServerState(pos, blockState, this.minecraft.player);
			}

			return bl;
		} else {
			return super.setBlock(pos, state, flags, recursionLeft);
		}
	}

	public ClientLevel(
		ClientPacketListener connection,
		ClientLevel.ClientLevelData levelData,
		ResourceKey<Level> dimension,
		Holder<DimensionType> dimensionTypeRegistration,
		int viewDistance,
		int serverSimulationDistance,
		LevelRenderer levelRenderer,
		boolean isDebug,
		long biomeZoomSeed,
		int seaLevel
	) {
		super(levelData, dimension, connection.registryAccess(), dimensionTypeRegistration, true, isDebug, biomeZoomSeed, 1000000);
		this.connection = connection;
		this.chunkSource = new ClientChunkCache(this, viewDistance);
		this.tickRateManager = new TickRateManager();
		this.clientLevelData = levelData;
		this.levelRenderer = levelRenderer;
		this.seaLevel = seaLevel;
		this.levelEventHandler = new LevelEventHandler(this.minecraft, this, levelRenderer);
		this.effects = DimensionSpecialEffects.forType(dimensionTypeRegistration.value());
		this.setDefaultSpawnPos(new BlockPos(8, 64, 8), 0.0F);
		this.serverSimulationDistance = serverSimulationDistance;
		this.updateSkyBrightness();
		this.prepareWeather();
	}

	public void queueLightUpdate(Runnable task) {
		this.lightUpdateQueue.add(task);
	}

	public void pollLightUpdates() {
		int i = this.lightUpdateQueue.size();
		int j = i < 1000 ? Math.max(10, i / 10) : i;

		for (int k = 0; k < j; k++) {
			Runnable runnable = (Runnable)this.lightUpdateQueue.poll();
			if (runnable == null) {
				break;
			}

			runnable.run();
		}
	}

	public DimensionSpecialEffects effects() {
		return this.effects;
	}

	/**
	 * Runs a single tick for the world
	 */
	public void tick(BooleanSupplier hasTimeLeft) {
		this.getWorldBorder().tick();
		this.updateSkyBrightness();
		if (this.tickRateManager().runsNormally()) {
			this.tickTime();
		}

		if (this.skyFlashTime > 0) {
			this.setSkyFlashTime(this.skyFlashTime - 1);
		}

		try (Zone zone = Profiler.get().zone("blocks")) {
			this.chunkSource.tick(hasTimeLeft, true);
		}
	}

	private void tickTime() {
		this.clientLevelData.setGameTime(this.clientLevelData.getGameTime() + 1L);
		if (this.tickDayTime) {
			this.clientLevelData.setDayTime(this.clientLevelData.getDayTime() + 1L);
		}
	}

	public void setTimeFromServer(long gameTime, long dayTime, boolean tickDayTime) {
		this.clientLevelData.setGameTime(gameTime);
		this.clientLevelData.setDayTime(dayTime);
		this.tickDayTime = tickDayTime;
	}

	public Iterable<Entity> entitiesForRendering() {
		return this.getEntities().getAll();
	}

	public void tickEntities() {
		ProfilerFiller profilerFiller = Profiler.get();
		profilerFiller.push("entities");
		this.tickingEntities.forEach(entity -> {
			if (!entity.isRemoved() && !entity.isPassenger() && !this.tickRateManager.isEntityFrozen(entity)) {
				this.guardEntityTick(this::tickNonPassenger, entity);
			}
		});
		profilerFiller.pop();
		this.tickBlockEntities();
	}

	public boolean isTickingEntity(Entity entity) {
		return this.tickingEntities.contains(entity);
	}

	@Override
	public boolean shouldTickDeath(Entity entity) {
		return entity.chunkPosition().getChessboardDistance(this.minecraft.player.chunkPosition()) <= this.serverSimulationDistance;
	}

	public void tickNonPassenger(Entity entity) {
		entity.setOldPosAndRot();
		entity.tickCount++;
		Profiler.get().push((Supplier<String>)(() -> BuiltInRegistries.ENTITY_TYPE.getKey(entity.getType()).toString()));
		entity.tick();
		Profiler.get().pop();

		for (Entity entity2 : entity.getPassengers()) {
			this.tickPassenger(entity, entity2);
		}
	}

	private void tickPassenger(Entity mount, Entity rider) {
		if (rider.isRemoved() || rider.getVehicle() != mount) {
			rider.stopRiding();
		} else if (rider instanceof Player || this.tickingEntities.contains(rider)) {
			rider.setOldPosAndRot();
			rider.tickCount++;
			rider.rideTick();

			for (Entity entity : rider.getPassengers()) {
				this.tickPassenger(rider, entity);
			}
		}
	}

	public void unload(LevelChunk chunk) {
		chunk.clearAllBlockEntities();
		this.chunkSource.getLightEngine().setLightEnabled(chunk.getPos(), false);
		this.entityStorage.stopTicking(chunk.getPos());
	}

	public void onChunkLoaded(ChunkPos chunkPos) {
		this.tintCaches.forEach((colorResolver, blockTintCache) -> blockTintCache.invalidateForChunk(chunkPos.x, chunkPos.z));
		this.entityStorage.startTicking(chunkPos);
	}

	public void onSectionBecomingNonEmpty(long sectionPos) {
		this.levelRenderer.onSectionBecomingNonEmpty(sectionPos);
	}

	public void clearTintCaches() {
		this.tintCaches.forEach((colorResolver, blockTintCache) -> blockTintCache.invalidateAll());
	}

	@Override
	public boolean hasChunk(int chunkX, int chunkZ) {
		return true;
	}

	public int getEntityCount() {
		return this.entityStorage.count();
	}

	public void addEntity(Entity entity) {
		this.removeEntity(entity.getId(), Entity.RemovalReason.DISCARDED);
		this.entityStorage.addEntity(entity);
	}

	public void removeEntity(int entityId, Entity.RemovalReason reason) {
		Entity entity = this.getEntities().get(entityId);
		if (entity != null) {
			entity.setRemoved(reason);
			entity.onClientRemoval();
		}
	}

	@Override
	public List<Entity> getPushableEntities(Entity entity, AABB boundingBox) {
		LocalPlayer localPlayer = this.minecraft.player;
		return localPlayer != null
				&& localPlayer != entity
				&& localPlayer.getBoundingBox().intersects(boundingBox)
				&& EntitySelector.pushableBy(entity).test(localPlayer)
			? List.of(localPlayer)
			: List.of();
	}

	@Nullable
	@Override
	public Entity getEntity(int id) {
		return this.getEntities().get(id);
	}

	@Override
	public void disconnect() {
		this.connection.getConnection().disconnect(Component.translatable("multiplayer.status.quitting"));
	}

	public void animateTick(int posX, int posY, int posZ) {
		int i = 32;
		RandomSource randomSource = RandomSource.create();
		Block block = this.getMarkerParticleTarget();
		BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();

		for (int j = 0; j < 667; j++) {
			this.doAnimateTick(posX, posY, posZ, 16, randomSource, block, mutableBlockPos);
			this.doAnimateTick(posX, posY, posZ, 32, randomSource, block, mutableBlockPos);
		}
	}

	@Nullable
	private Block getMarkerParticleTarget() {
		if (this.minecraft.gameMode.getPlayerMode() == GameType.CREATIVE) {
			ItemStack itemStack = this.minecraft.player.getMainHandItem();
			Item item = itemStack.getItem();
			if (MARKER_PARTICLE_ITEMS.contains(item) && item instanceof BlockItem blockItem) {
				return blockItem.getBlock();
			}
		}

		return null;
	}

	public void doAnimateTick(int posX, int posY, int posZ, int range, RandomSource random, @Nullable Block block, BlockPos.MutableBlockPos blockPos) {
		int i = posX + this.random.nextInt(range) - this.random.nextInt(range);
		int j = posY + this.random.nextInt(range) - this.random.nextInt(range);
		int k = posZ + this.random.nextInt(range) - this.random.nextInt(range);
		blockPos.set(i, j, k);
		BlockState blockState = this.getBlockState(blockPos);
		blockState.getBlock().animateTick(blockState, this, blockPos, random);
		FluidState fluidState = this.getFluidState(blockPos);
		if (!fluidState.isEmpty()) {
			fluidState.animateTick(this, blockPos, random);
			ParticleOptions particleOptions = fluidState.getDripParticle();
			if (particleOptions != null && this.random.nextInt(10) == 0) {
				boolean bl = blockState.isFaceSturdy(this, blockPos, Direction.DOWN);
				BlockPos blockPos2 = blockPos.below();
				this.trySpawnDripParticles(blockPos2, this.getBlockState(blockPos2), particleOptions, bl);
			}
		}

		if (block == blockState.getBlock()) {
			this.addParticle(new BlockParticleOption(ParticleTypes.BLOCK_MARKER, blockState), i + 0.5, j + 0.5, k + 0.5, 0.0, 0.0, 0.0);
		}

		if (!blockState.isCollisionShapeFullBlock(this, blockPos)) {
			this.getBiome(blockPos)
				.value()
				.getAmbientParticle()
				.ifPresent(
					ambientParticleSettings -> {
						if (ambientParticleSettings.canSpawn(this.random)) {
							this.addParticle(
								ambientParticleSettings.getOptions(),
								blockPos.getX() + this.random.nextDouble(),
								blockPos.getY() + this.random.nextDouble(),
								blockPos.getZ() + this.random.nextDouble(),
								0.0,
								0.0,
								0.0
							);
						}
					}
				);
		}
	}

	private void trySpawnDripParticles(BlockPos blockPos, BlockState blockState, ParticleOptions particleData, boolean shapeDownSolid) {
		if (blockState.getFluidState().isEmpty()) {
			VoxelShape voxelShape = blockState.getCollisionShape(this, blockPos);
			double d = voxelShape.max(Direction.Axis.Y);
			if (d < 1.0) {
				if (shapeDownSolid) {
					this.spawnFluidParticle(blockPos.getX(), blockPos.getX() + 1, blockPos.getZ(), blockPos.getZ() + 1, blockPos.getY() + 1 - 0.05, particleData);
				}
			} else if (!blockState.is(BlockTags.IMPERMEABLE)) {
				double e = voxelShape.min(Direction.Axis.Y);
				if (e > 0.0) {
					this.spawnParticle(blockPos, particleData, voxelShape, blockPos.getY() + e - 0.05);
				} else {
					BlockPos blockPos2 = blockPos.below();
					BlockState blockState2 = this.getBlockState(blockPos2);
					VoxelShape voxelShape2 = blockState2.getCollisionShape(this, blockPos2);
					double f = voxelShape2.max(Direction.Axis.Y);
					if (f < 1.0 && blockState2.getFluidState().isEmpty()) {
						this.spawnParticle(blockPos, particleData, voxelShape, blockPos.getY() - 0.05);
					}
				}
			}
		}
	}

	private void spawnParticle(BlockPos pos, ParticleOptions particleData, VoxelShape voxelShape, double y) {
		this.spawnFluidParticle(
			pos.getX() + voxelShape.min(Direction.Axis.X),
			pos.getX() + voxelShape.max(Direction.Axis.X),
			pos.getZ() + voxelShape.min(Direction.Axis.Z),
			pos.getZ() + voxelShape.max(Direction.Axis.Z),
			y,
			particleData
		);
	}

	private void spawnFluidParticle(double xStart, double xEnd, double zStart, double zEnd, double y, ParticleOptions particleData) {
		this.addParticle(particleData, Mth.lerp(this.random.nextDouble(), xStart, xEnd), y, Mth.lerp(this.random.nextDouble(), zStart, zEnd), 0.0, 0.0, 0.0);
	}

	@Override
	public CrashReportCategory fillReportDetails(CrashReport report) {
		CrashReportCategory crashReportCategory = super.fillReportDetails(report);
		crashReportCategory.setDetail("Server brand", (CrashReportDetail<String>)(() -> this.minecraft.player.connection.serverBrand()));
		crashReportCategory.setDetail(
			"Server type",
			(CrashReportDetail<String>)(() -> this.minecraft.getSingleplayerServer() == null ? "Non-integrated multiplayer server" : "Integrated singleplayer server")
		);
		crashReportCategory.setDetail("Tracked entity count", (CrashReportDetail<String>)(() -> String.valueOf(this.getEntityCount())));
		return crashReportCategory;
	}

	@Override
	public void playSeededSound(
		@Nullable Entity entity, double x, double y, double z, Holder<SoundEvent> sound, SoundSource source, float volume, float pitch, long seed
	) {
		if (entity == this.minecraft.player) {
			this.playSound(x, y, z, sound.value(), source, volume, pitch, false, seed);
		}
	}

	@Override
	public void playSeededSound(@Nullable Entity entity, Entity sourceEntity, Holder<SoundEvent> sound, SoundSource source, float volume, float pitch, long seed) {
		if (entity == this.minecraft.player) {
			this.minecraft.getSoundManager().play(new EntityBoundSoundInstance(sound.value(), source, volume, pitch, sourceEntity, seed));
		}
	}

	@Override
	public void playLocalSound(Entity entity, SoundEvent sound, SoundSource source, float volume, float pitch) {
		this.minecraft.getSoundManager().play(new EntityBoundSoundInstance(sound, source, volume, pitch, entity, this.random.nextLong()));
	}

	@Override
	public void playPlayerSound(SoundEvent sound, SoundSource source, float volume, float pitch) {
		if (this.minecraft.player != null) {
			this.minecraft.getSoundManager().play(new EntityBoundSoundInstance(sound, source, volume, pitch, this.minecraft.player, this.random.nextLong()));
		}
	}

	@Override
	public void playLocalSound(double x, double y, double z, SoundEvent sound, SoundSource source, float volume, float pitch, boolean distanceDelay) {
		this.playSound(x, y, z, sound, source, volume, pitch, distanceDelay, this.random.nextLong());
	}

	private void playSound(double x, double y, double z, SoundEvent soundEvent, SoundSource source, float volume, float pitch, boolean distanceDelay, long seed) {
		double d = this.minecraft.gameRenderer.getMainCamera().getPosition().distanceToSqr(x, y, z);
		SimpleSoundInstance simpleSoundInstance = new SimpleSoundInstance(soundEvent, source, volume, pitch, RandomSource.create(seed), x, y, z);
		if (distanceDelay && d > 100.0) {
			double e = Math.sqrt(d) / 40.0;
			this.minecraft.getSoundManager().playDelayed(simpleSoundInstance, (int)(e * 20.0));
		} else {
			this.minecraft.getSoundManager().play(simpleSoundInstance);
		}
	}

	@Override
	public void createFireworks(double x, double y, double z, double xSpeed, double ySpeed, double zSpeed, List<FireworkExplosion> explosions) {
		if (explosions.isEmpty()) {
			for (int i = 0; i < this.random.nextInt(3) + 2; i++) {
				this.addParticle(ParticleTypes.POOF, x, y, z, this.random.nextGaussian() * 0.05, 0.005, this.random.nextGaussian() * 0.05);
			}
		} else {
			this.minecraft.particleEngine.add(new Starter(this, x, y, z, xSpeed, ySpeed, zSpeed, this.minecraft.particleEngine, explosions));
		}
	}

	@Override
	public void sendPacketToServer(Packet<?> packet) {
		this.connection.send(packet);
	}

	@Override
	public RecipeAccess recipeAccess() {
		return this.connection.recipes();
	}

	@Override
	public TickRateManager tickRateManager() {
		return this.tickRateManager;
	}

	@Override
	public LevelTickAccess<Block> getBlockTicks() {
		return BlackholeTickAccess.emptyLevelList();
	}

	@Override
	public LevelTickAccess<Fluid> getFluidTicks() {
		return BlackholeTickAccess.emptyLevelList();
	}

	/**
	 * Gets the world's chunk provider
	 */
	public ClientChunkCache getChunkSource() {
		return this.chunkSource;
	}

	@Nullable
	@Override
	public MapItemSavedData getMapData(MapId mapId) {
		return (MapItemSavedData)this.mapData.get(mapId);
	}

	public void overrideMapData(MapId mapId, MapItemSavedData mapData) {
		this.mapData.put(mapId, mapData);
	}

	@Override
	public Scoreboard getScoreboard() {
		return this.connection.scoreboard();
	}

	@Override
	public void sendBlockUpdated(BlockPos pos, BlockState oldState, BlockState newState, int flags) {
		this.levelRenderer.blockChanged(this, pos, oldState, newState, flags);
	}

	@Override
	public void setBlocksDirty(BlockPos blockPos, BlockState oldState, BlockState newState) {
		this.levelRenderer.setBlockDirty(blockPos, oldState, newState);
	}

	public void setSectionDirtyWithNeighbors(int sectionX, int sectionY, int sectionZ) {
		this.levelRenderer.setSectionDirtyWithNeighbors(sectionX, sectionY, sectionZ);
	}

	public void setSectionRangeDirty(int minY, int minX, int minZ, int maxY, int maxX, int maxZ) {
		this.levelRenderer.setSectionRangeDirty(minY, minX, minZ, maxY, maxX, maxZ);
	}

	@Override
	public void destroyBlockProgress(int breakerId, BlockPos pos, int progress) {
		this.levelRenderer.destroyBlockProgress(breakerId, pos, progress);
	}

	@Override
	public void globalLevelEvent(int id, BlockPos pos, int data) {
		this.levelEventHandler.globalLevelEvent(id, pos, data);
	}

	@Override
	public void levelEvent(@Nullable Entity entity, int type, BlockPos pos, int data) {
		try {
			this.levelEventHandler.levelEvent(type, pos, data);
		} catch (Throwable var8) {
			CrashReport crashReport = CrashReport.forThrowable(var8, "Playing level event");
			CrashReportCategory crashReportCategory = crashReport.addCategory("Level event being played");
			crashReportCategory.setDetail("Block coordinates", CrashReportCategory.formatLocation(this, pos));
			crashReportCategory.setDetail("Event source", entity);
			crashReportCategory.setDetail("Event type", type);
			crashReportCategory.setDetail("Event data", data);
			throw new ReportedException(crashReport);
		}
	}

	@Override
	public void addParticle(ParticleOptions particle, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
		this.levelRenderer.addParticle(particle, particle.getType().getOverrideLimiter(), x, y, z, xSpeed, ySpeed, zSpeed);
	}

	@Override
	public void addParticle(
		ParticleOptions particle, boolean overrideLimiter, boolean alwaysShow, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed
	) {
		this.levelRenderer.addParticle(particle, particle.getType().getOverrideLimiter() || overrideLimiter, alwaysShow, x, y, z, xSpeed, ySpeed, zSpeed);
	}

	@Override
	public void addAlwaysVisibleParticle(ParticleOptions particle, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
		this.levelRenderer.addParticle(particle, false, true, x, y, z, xSpeed, ySpeed, zSpeed);
	}

	@Override
	public void addAlwaysVisibleParticle(ParticleOptions particle, boolean ignoreRange, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
		this.levelRenderer.addParticle(particle, particle.getType().getOverrideLimiter() || ignoreRange, true, x, y, z, xSpeed, ySpeed, zSpeed);
	}

	@Override
	public List<AbstractClientPlayer> players() {
		return this.players;
	}

	public List<EnderDragonPart> dragonParts() {
		return this.dragonParts;
	}

	@Override
	public Holder<Biome> getUncachedNoiseBiome(int x, int y, int z) {
		return this.registryAccess().lookupOrThrow(Registries.BIOME).getOrThrow(Biomes.PLAINS);
	}

	public float getSkyDarken(float partialTick) {
		float f = this.getTimeOfDay(partialTick);
		float g = 1.0F - (Mth.cos(f * (float) (Math.PI * 2)) * 2.0F + 0.2F);
		g = Mth.clamp(g, 0.0F, 1.0F);
		g = 1.0F - g;
		g *= 1.0F - this.getRainLevel(partialTick) * 5.0F / 16.0F;
		g *= 1.0F - this.getThunderLevel(partialTick) * 5.0F / 16.0F;
		return g * 0.8F + 0.2F;
	}

	public int getSkyColor(Vec3 cameraPosition, float partialTick) {
		float f = this.getTimeOfDay(partialTick);
		Vec3 vec3 = cameraPosition.subtract(2.0, 2.0, 2.0).scale(0.25);
		Vec3 vec32 = CubicSampler.gaussianSampleVec3(
			vec3, (ix, jx, k) -> Vec3.fromRGB24(this.getBiomeManager().getNoiseBiomeAtQuart(ix, jx, k).value().getSkyColor())
		);
		float g = Mth.cos(f * (float) (Math.PI * 2)) * 2.0F + 0.5F;
		g = Mth.clamp(g, 0.0F, 1.0F);
		vec32 = vec32.scale(g);
		int i = ARGB.color(vec32);
		float h = this.getRainLevel(partialTick);
		if (h > 0.0F) {
			float j = 0.6F;
			float k = h * 0.75F;
			int l = ARGB.scaleRGB(ARGB.greyscale(i), 0.6F);
			i = ARGB.lerp(k, i, l);
		}

		float j = this.getThunderLevel(partialTick);
		if (j > 0.0F) {
			float k = 0.2F;
			float m = j * 0.75F;
			int n = ARGB.scaleRGB(ARGB.greyscale(i), 0.2F);
			i = ARGB.lerp(m, i, n);
		}

		int o = this.getSkyFlashTime();
		if (o > 0) {
			float m = Math.min(o - partialTick, 1.0F);
			m *= 0.45F;
			i = ARGB.lerp(m, i, ARGB.color(204, 204, 255));
		}

		return i;
	}

	public int getCloudColor(float partialTick) {
		int i = -1;
		float f = this.getRainLevel(partialTick);
		if (f > 0.0F) {
			int j = ARGB.scaleRGB(ARGB.greyscale(i), 0.6F);
			i = ARGB.lerp(f * 0.95F, i, j);
		}

		float g = this.getTimeOfDay(partialTick);
		float h = Mth.cos(g * (float) (Math.PI * 2)) * 2.0F + 0.5F;
		h = Mth.clamp(h, 0.0F, 1.0F);
		i = ARGB.multiply(i, ARGB.colorFromFloat(1.0F, h * 0.9F + 0.1F, h * 0.9F + 0.1F, h * 0.85F + 0.15F));
		float k = this.getThunderLevel(partialTick);
		if (k > 0.0F) {
			int l = ARGB.scaleRGB(ARGB.greyscale(i), 0.2F);
			i = ARGB.lerp(k * 0.95F, i, l);
		}

		return i;
	}

	public float getStarBrightness(float partialTick) {
		float f = this.getTimeOfDay(partialTick);
		float g = 1.0F - (Mth.cos(f * (float) (Math.PI * 2)) * 2.0F + 0.25F);
		g = Mth.clamp(g, 0.0F, 1.0F);
		return g * g * 0.5F;
	}

	public int getSkyFlashTime() {
		return this.minecraft.options.hideLightningFlash().get() ? 0 : this.skyFlashTime;
	}

	@Override
	public void setSkyFlashTime(int timeFlash) {
		this.skyFlashTime = timeFlash;
	}

	@Override
	public float getShade(Direction direction, boolean shade) {
		boolean bl = this.effects().constantAmbientLight();
		if (!shade) {
			return bl ? 0.9F : 1.0F;
		} else {
			switch (direction) {
				case DOWN:
					return bl ? 0.9F : 0.5F;
				case UP:
					return bl ? 0.9F : 1.0F;
				case NORTH:
				case SOUTH:
					return 0.8F;
				case WEST:
				case EAST:
					return 0.6F;
				default:
					return 1.0F;
			}
		}
	}

	@Override
	public int getBlockTint(BlockPos blockPos, ColorResolver colorResolver) {
		BlockTintCache blockTintCache = this.tintCaches.get(colorResolver);
		return blockTintCache.getColor(blockPos);
	}

	public int calculateBlockTint(BlockPos blockPos, ColorResolver colorResolver) {
		int i = Minecraft.getInstance().options.biomeBlendRadius().get();
		if (i == 0) {
			return colorResolver.getColor(this.getBiome(blockPos).value(), blockPos.getX(), blockPos.getZ());
		} else {
			int j = (i * 2 + 1) * (i * 2 + 1);
			int k = 0;
			int l = 0;
			int m = 0;
			Cursor3D cursor3D = new Cursor3D(blockPos.getX() - i, blockPos.getY(), blockPos.getZ() - i, blockPos.getX() + i, blockPos.getY(), blockPos.getZ() + i);
			BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();

			while (cursor3D.advance()) {
				mutableBlockPos.set(cursor3D.nextX(), cursor3D.nextY(), cursor3D.nextZ());
				int n = colorResolver.getColor(this.getBiome(mutableBlockPos).value(), mutableBlockPos.getX(), mutableBlockPos.getZ());
				k += (n & 0xFF0000) >> 16;
				l += (n & 0xFF00) >> 8;
				m += n & 0xFF;
			}

			return (k / j & 0xFF) << 16 | (l / j & 0xFF) << 8 | m / j & 0xFF;
		}
	}

	public void setDefaultSpawnPos(BlockPos spawnPos, float spawnAngle) {
		this.levelData.setSpawn(spawnPos, spawnAngle);
	}

	public String toString() {
		return "ClientLevel";
	}

	/**
	 * Returns the world's WorldInfo object
	 */
	public ClientLevel.ClientLevelData getLevelData() {
		return this.clientLevelData;
	}

	@Override
	public void gameEvent(Holder<GameEvent> gameEvent, Vec3 pos, Context context) {
	}

	protected Map<MapId, MapItemSavedData> getAllMapData() {
		return ImmutableMap.copyOf(this.mapData);
	}

	protected void addMapData(Map<MapId, MapItemSavedData> map) {
		this.mapData.putAll(map);
	}

	@Override
	protected LevelEntityGetter<Entity> getEntities() {
		return this.entityStorage.getEntityGetter();
	}

	@Override
	public String gatherChunkSourceStats() {
		return "Chunks[C] W: " + this.chunkSource.gatherStats() + " E: " + this.entityStorage.gatherStats();
	}

	@Override
	public void addDestroyBlockEffect(BlockPos pos, BlockState state) {
		this.minecraft.particleEngine.destroy(pos, state);
	}

	public void setServerSimulationDistance(int serverSimulationDistance) {
		this.serverSimulationDistance = serverSimulationDistance;
	}

	public int getServerSimulationDistance() {
		return this.serverSimulationDistance;
	}

	@Override
	public FeatureFlagSet enabledFeatures() {
		return this.connection.enabledFeatures();
	}

	@Override
	public PotionBrewing potionBrewing() {
		return this.connection.potionBrewing();
	}

	@Override
	public FuelValues fuelValues() {
		return this.connection.fuelValues();
	}

	@Override
	public void explode(
		@Nullable Entity source,
		@Nullable DamageSource damageSource,
		@Nullable ExplosionDamageCalculator damageCalculator,
		double x,
		double y,
		double z,
		float radius,
		boolean fire,
		Level.ExplosionInteraction explosionInteraction,
		ParticleOptions smallExplosionParticles,
		ParticleOptions largeExplosionParticles,
		Holder<SoundEvent> explosionSound
	) {
	}

	@Override
	public int getSeaLevel() {
		return this.seaLevel;
	}

	@Override
	public int getClientLeafTintColor(BlockPos pos) {
		return Minecraft.getInstance().getBlockColors().getColor(this.getBlockState(pos), this, pos, 0);
	}

	@Override
	public void registerForCleaning(CacheSlot<ClientLevel, ?> cacheSlot) {
		this.connection.registerForCleaning(cacheSlot);
	}

	@Environment(EnvType.CLIENT)
	public static class ClientLevelData implements WritableLevelData {
		private final boolean hardcore;
		private final boolean isFlat;
		private BlockPos spawnPos;
		private float spawnAngle;
		private long gameTime;
		private long dayTime;
		private boolean raining;
		private Difficulty difficulty;
		private boolean difficultyLocked;

		public ClientLevelData(Difficulty difficulty, boolean hardcore, boolean isFlat) {
			this.difficulty = difficulty;
			this.hardcore = hardcore;
			this.isFlat = isFlat;
		}

		@Override
		public BlockPos getSpawnPos() {
			return this.spawnPos;
		}

		@Override
		public float getSpawnAngle() {
			return this.spawnAngle;
		}

		@Override
		public long getGameTime() {
			return this.gameTime;
		}

		@Override
		public long getDayTime() {
			return this.dayTime;
		}

		public void setGameTime(long gameTime) {
			this.gameTime = gameTime;
		}

		public void setDayTime(long dayTime) {
			this.dayTime = dayTime;
		}

		@Override
		public void setSpawn(BlockPos spawnPoint, float spawnAngle) {
			this.spawnPos = spawnPoint.immutable();
			this.spawnAngle = spawnAngle;
		}

		@Override
		public boolean isThundering() {
			return false;
		}

		@Override
		public boolean isRaining() {
			return this.raining;
		}

		@Override
		public void setRaining(boolean raining) {
			this.raining = raining;
		}

		@Override
		public boolean isHardcore() {
			return this.hardcore;
		}

		@Override
		public Difficulty getDifficulty() {
			return this.difficulty;
		}

		@Override
		public boolean isDifficultyLocked() {
			return this.difficultyLocked;
		}

		@Override
		public void fillCrashReportCategory(CrashReportCategory crashReportCategory, LevelHeightAccessor level) {
			WritableLevelData.super.fillCrashReportCategory(crashReportCategory, level);
		}

		public void setDifficulty(Difficulty difficulty) {
			this.difficulty = difficulty;
		}

		public void setDifficultyLocked(boolean difficultyLocked) {
			this.difficultyLocked = difficultyLocked;
		}

		public double getHorizonHeight(LevelHeightAccessor level) {
			return this.isFlat ? level.getMinY() : 63.0;
		}

		public float getClearColorScale() {
			return this.isFlat ? 1.0F : 0.03125F;
		}
	}

	@Environment(EnvType.CLIENT)
	final class EntityCallbacks implements LevelCallback<Entity> {
		public void onCreated(Entity entity) {
		}

		public void onDestroyed(Entity entity) {
		}

		public void onTickingStart(Entity entity) {
			ClientLevel.this.tickingEntities.add(entity);
		}

		public void onTickingEnd(Entity entity) {
			ClientLevel.this.tickingEntities.remove(entity);
		}

		public void onTrackingStart(Entity entity) {
			switch (entity) {
				case AbstractClientPlayer abstractClientPlayer:
					ClientLevel.this.players.add(abstractClientPlayer);
					break;
				case EnderDragon enderDragon:
					ClientLevel.this.dragonParts.addAll(Arrays.asList(enderDragon.getSubEntities()));
					break;
				default:
			}
		}

		public void onTrackingEnd(Entity entity) {
			entity.unRide();
			switch (entity) {
				case AbstractClientPlayer abstractClientPlayer:
					ClientLevel.this.players.remove(abstractClientPlayer);
					break;
				case EnderDragon enderDragon:
					ClientLevel.this.dragonParts.removeAll(Arrays.asList(enderDragon.getSubEntities()));
					break;
				default:
			}
		}

		public void onSectionChange(Entity entity) {
		}
	}
}