minecraft-src/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java
2025-07-04 03:45:38 +03:00

223 lines
8.7 KiB
Java

package net.minecraft.world.level.block.entity;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import java.util.OptionalInt;
import net.minecraft.Util;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderLookup;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.NbtOps;
import net.minecraft.nbt.Tag;
import net.minecraft.resources.RegistryOps;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.sounds.SoundSource;
import net.minecraft.tags.GameEventTags;
import net.minecraft.tags.TagKey;
import net.minecraft.util.Mth;
import net.minecraft.util.SpawnUtil;
import net.minecraft.util.SpawnUtil.Strategy;
import net.minecraft.world.Difficulty;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntitySpawnReason;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.entity.monster.warden.Warden;
import net.minecraft.world.entity.monster.warden.WardenSpawnTracker;
import net.minecraft.world.entity.projectile.Projectile;
import net.minecraft.world.level.GameRules;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.SculkShriekerBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.gameevent.BlockPositionSource;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.level.gameevent.PositionSource;
import net.minecraft.world.level.gameevent.GameEvent.Context;
import net.minecraft.world.level.gameevent.GameEventListener.Provider;
import net.minecraft.world.level.gameevent.vibrations.VibrationSystem;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;
public class SculkShriekerBlockEntity extends BlockEntity implements Provider<VibrationSystem.Listener>, VibrationSystem {
private static final int WARNING_SOUND_RADIUS = 10;
private static final int WARDEN_SPAWN_ATTEMPTS = 20;
private static final int WARDEN_SPAWN_RANGE_XZ = 5;
private static final int WARDEN_SPAWN_RANGE_Y = 6;
private static final int DARKNESS_RADIUS = 40;
private static final int SHRIEKING_TICKS = 90;
private static final Int2ObjectMap<SoundEvent> SOUND_BY_LEVEL = Util.make(new Int2ObjectOpenHashMap<>(), int2ObjectOpenHashMap -> {
int2ObjectOpenHashMap.put(1, SoundEvents.WARDEN_NEARBY_CLOSE);
int2ObjectOpenHashMap.put(2, SoundEvents.WARDEN_NEARBY_CLOSER);
int2ObjectOpenHashMap.put(3, SoundEvents.WARDEN_NEARBY_CLOSEST);
int2ObjectOpenHashMap.put(4, SoundEvents.WARDEN_LISTENING_ANGRY);
});
private static final int DEFAULT_WARNING_LEVEL = 0;
private int warningLevel = 0;
private final VibrationSystem.User vibrationUser = new SculkShriekerBlockEntity.VibrationUser();
private VibrationSystem.Data vibrationData = new VibrationSystem.Data();
private final VibrationSystem.Listener vibrationListener = new VibrationSystem.Listener(this);
public SculkShriekerBlockEntity(BlockPos pos, BlockState blockState) {
super(BlockEntityType.SCULK_SHRIEKER, pos, blockState);
}
@Override
public VibrationSystem.Data getVibrationData() {
return this.vibrationData;
}
@Override
public VibrationSystem.User getVibrationUser() {
return this.vibrationUser;
}
@Override
protected void loadAdditional(CompoundTag tag, HolderLookup.Provider registries) {
super.loadAdditional(tag, registries);
this.warningLevel = tag.getIntOr("warning_level", 0);
RegistryOps<Tag> registryOps = registries.createSerializationContext(NbtOps.INSTANCE);
this.vibrationData = (VibrationSystem.Data)tag.read("listener", VibrationSystem.Data.CODEC, registryOps).orElseGet(VibrationSystem.Data::new);
}
@Override
protected void saveAdditional(CompoundTag tag, HolderLookup.Provider registries) {
super.saveAdditional(tag, registries);
tag.putInt("warning_level", this.warningLevel);
RegistryOps<Tag> registryOps = registries.createSerializationContext(NbtOps.INSTANCE);
tag.store("listener", VibrationSystem.Data.CODEC, registryOps, this.vibrationData);
}
@Nullable
public static ServerPlayer tryGetPlayer(@Nullable Entity entity) {
if (entity instanceof ServerPlayer serverPlayer) {
return serverPlayer;
} else if (entity != null && entity.getControllingPassenger() instanceof ServerPlayer serverPlayer) {
return serverPlayer;
} else if (entity instanceof Projectile projectile && projectile.getOwner() instanceof ServerPlayer serverPlayer2) {
return serverPlayer2;
} else {
return entity instanceof ItemEntity itemEntity && itemEntity.getOwner() instanceof ServerPlayer serverPlayer2 ? serverPlayer2 : null;
}
}
public void tryShriek(ServerLevel level, @Nullable ServerPlayer player) {
if (player != null) {
BlockState blockState = this.getBlockState();
if (!(Boolean)blockState.getValue(SculkShriekerBlock.SHRIEKING)) {
this.warningLevel = 0;
if (!this.canRespond(level) || this.tryToWarn(level, player)) {
this.shriek(level, player);
}
}
}
}
private boolean tryToWarn(ServerLevel level, ServerPlayer player) {
OptionalInt optionalInt = WardenSpawnTracker.tryWarn(level, this.getBlockPos(), player);
optionalInt.ifPresent(i -> this.warningLevel = i);
return optionalInt.isPresent();
}
private void shriek(ServerLevel level, @Nullable Entity sourceEntity) {
BlockPos blockPos = this.getBlockPos();
BlockState blockState = this.getBlockState();
level.setBlock(blockPos, blockState.setValue(SculkShriekerBlock.SHRIEKING, true), 2);
level.scheduleTick(blockPos, blockState.getBlock(), 90);
level.levelEvent(3007, blockPos, 0);
level.gameEvent(GameEvent.SHRIEK, blockPos, Context.of(sourceEntity));
}
private boolean canRespond(ServerLevel level) {
return (Boolean)this.getBlockState().getValue(SculkShriekerBlock.CAN_SUMMON)
&& level.getDifficulty() != Difficulty.PEACEFUL
&& level.getGameRules().getBoolean(GameRules.RULE_DO_WARDEN_SPAWNING);
}
@Override
public void preRemoveSideEffects(BlockPos pos, BlockState state) {
if ((Boolean)state.getValue(SculkShriekerBlock.SHRIEKING) && this.level instanceof ServerLevel serverLevel) {
this.tryRespond(serverLevel);
}
}
public void tryRespond(ServerLevel level) {
if (this.canRespond(level) && this.warningLevel > 0) {
if (!this.trySummonWarden(level)) {
this.playWardenReplySound(level);
}
Warden.applyDarknessAround(level, Vec3.atCenterOf(this.getBlockPos()), null, 40);
}
}
private void playWardenReplySound(Level level) {
SoundEvent soundEvent = SOUND_BY_LEVEL.get(this.warningLevel);
if (soundEvent != null) {
BlockPos blockPos = this.getBlockPos();
int i = blockPos.getX() + Mth.randomBetweenInclusive(level.random, -10, 10);
int j = blockPos.getY() + Mth.randomBetweenInclusive(level.random, -10, 10);
int k = blockPos.getZ() + Mth.randomBetweenInclusive(level.random, -10, 10);
level.playSound(null, (double)i, (double)j, (double)k, soundEvent, SoundSource.HOSTILE, 5.0F, 1.0F);
}
}
private boolean trySummonWarden(ServerLevel level) {
return this.warningLevel < 4
? false
: SpawnUtil.trySpawnMob(EntityType.WARDEN, EntitySpawnReason.TRIGGERED, level, this.getBlockPos(), 20, 5, 6, Strategy.ON_TOP_OF_COLLIDER, false).isPresent();
}
public VibrationSystem.Listener getListener() {
return this.vibrationListener;
}
class VibrationUser implements VibrationSystem.User {
private static final int LISTENER_RADIUS = 8;
private final PositionSource positionSource = new BlockPositionSource(SculkShriekerBlockEntity.this.worldPosition);
public VibrationUser() {
}
@Override
public int getListenerRadius() {
return 8;
}
@Override
public PositionSource getPositionSource() {
return this.positionSource;
}
@Override
public TagKey<GameEvent> getListenableEvents() {
return GameEventTags.SHRIEKER_CAN_LISTEN;
}
@Override
public boolean canReceiveVibration(ServerLevel level, BlockPos pos, Holder<GameEvent> gameEvent, Context context) {
return !(Boolean)SculkShriekerBlockEntity.this.getBlockState().getValue(SculkShriekerBlock.SHRIEKING)
&& SculkShriekerBlockEntity.tryGetPlayer(context.sourceEntity()) != null;
}
@Override
public void onReceiveVibration(
ServerLevel level, BlockPos pos, Holder<GameEvent> gameEvent, @Nullable Entity entity, @Nullable Entity playerEntity, float distance
) {
SculkShriekerBlockEntity.this.tryShriek(level, SculkShriekerBlockEntity.tryGetPlayer(playerEntity != null ? playerEntity : entity));
}
@Override
public void onDataChanged() {
SculkShriekerBlockEntity.this.setChanged();
}
@Override
public boolean requiresAdjacentChunksToBeTicking() {
return true;
}
}
}