minecraft-src/net/minecraft/world/entity/monster/piglin/PiglinBrute.java

package net.minecraft.world.entity.monster.piglin;

import com.google.common.collect.ImmutableList;
import com.mojang.serialization.Dynamic;
import net.minecraft.core.BlockPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.util.RandomSource;
import net.minecraft.util.profiling.Profiler;
import net.minecraft.util.profiling.ProfilerFiller;
import net.minecraft.world.DifficultyInstance;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.EntitySpawnReason;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.SpawnGroupData;
import net.minecraft.world.entity.ai.Brain;
import net.minecraft.world.entity.ai.Brain.Provider;
import net.minecraft.world.entity.ai.attributes.Attributes;
import net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder;
import net.minecraft.world.entity.ai.memory.MemoryModuleType;
import net.minecraft.world.entity.ai.sensing.Sensor;
import net.minecraft.world.entity.ai.sensing.SensorType;
import net.minecraft.world.entity.monster.Monster;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.ServerLevelAccessor;
import net.minecraft.world.level.block.state.BlockState;
import org.jetbrains.annotations.Nullable;

public class PiglinBrute extends AbstractPiglin {
	private static final int MAX_HEALTH = 50;
	private static final float MOVEMENT_SPEED_WHEN_FIGHTING = 0.35F;
	private static final int ATTACK_DAMAGE = 7;
	private static final double TARGETING_RANGE = 12.0;
	protected static final ImmutableList<SensorType<? extends Sensor<? super PiglinBrute>>> SENSOR_TYPES = ImmutableList.of(
		SensorType.NEAREST_LIVING_ENTITIES, SensorType.NEAREST_PLAYERS, SensorType.NEAREST_ITEMS, SensorType.HURT_BY, SensorType.PIGLIN_BRUTE_SPECIFIC_SENSOR
	);
	protected static final ImmutableList<MemoryModuleType<?>> MEMORY_TYPES = ImmutableList.of(
		MemoryModuleType.LOOK_TARGET,
		MemoryModuleType.DOORS_TO_CLOSE,
		MemoryModuleType.NEAREST_LIVING_ENTITIES,
		MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES,
		MemoryModuleType.NEAREST_VISIBLE_PLAYER,
		MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER,
		MemoryModuleType.NEAREST_VISIBLE_ADULT_PIGLINS,
		MemoryModuleType.NEARBY_ADULT_PIGLINS,
		MemoryModuleType.HURT_BY,
		MemoryModuleType.HURT_BY_ENTITY,
		MemoryModuleType.WALK_TARGET,
		MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE,
		MemoryModuleType.ATTACK_TARGET,
		MemoryModuleType.ATTACK_COOLING_DOWN,
		MemoryModuleType.INTERACTION_TARGET,
		MemoryModuleType.PATH,
		MemoryModuleType.ANGRY_AT,
		MemoryModuleType.NEAREST_VISIBLE_NEMESIS,
		MemoryModuleType.HOME
	);

	public PiglinBrute(EntityType<? extends PiglinBrute> entityType, Level level) {
		super(entityType, level);
		this.xpReward = 20;
	}

	public static Builder createAttributes() {
		return Monster.createMonsterAttributes()
			.add(Attributes.MAX_HEALTH, 50.0)
			.add(Attributes.MOVEMENT_SPEED, 0.35F)
			.add(Attributes.ATTACK_DAMAGE, 7.0)
			.add(Attributes.FOLLOW_RANGE, 12.0);
	}

	@Nullable
	@Override
	public SpawnGroupData finalizeSpawn(
		ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
	) {
		PiglinBruteAi.initMemories(this);
		this.populateDefaultEquipmentSlots(level.getRandom(), difficulty);
		return super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
	}

	@Override
	protected void populateDefaultEquipmentSlots(RandomSource random, DifficultyInstance difficulty) {
		this.setItemSlot(EquipmentSlot.MAINHAND, new ItemStack(Items.GOLDEN_AXE));
	}

	@Override
	protected Provider<PiglinBrute> brainProvider() {
		return Brain.provider(MEMORY_TYPES, SENSOR_TYPES);
	}

	@Override
	protected Brain<?> makeBrain(Dynamic<?> dynamic) {
		return PiglinBruteAi.makeBrain(this, this.brainProvider().makeBrain(dynamic));
	}

	@Override
	public Brain<PiglinBrute> getBrain() {
		return (Brain<PiglinBrute>)super.getBrain();
	}

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

	@Override
	public boolean wantsToPickUp(ServerLevel level, ItemStack stack) {
		return stack.is(Items.GOLDEN_AXE) ? super.wantsToPickUp(level, stack) : false;
	}

	@Override
	protected void customServerAiStep(ServerLevel level) {
		ProfilerFiller profilerFiller = Profiler.get();
		profilerFiller.push("piglinBruteBrain");
		this.getBrain().tick(level, this);
		profilerFiller.pop();
		PiglinBruteAi.updateActivity(this);
		PiglinBruteAi.maybePlayActivitySound(this);
		super.customServerAiStep(level);
	}

	@Override
	public PiglinArmPose getArmPose() {
		return this.isAggressive() && this.isHoldingMeleeWeapon() ? PiglinArmPose.ATTACKING_WITH_MELEE_WEAPON : PiglinArmPose.DEFAULT;
	}

	@Override
	public boolean hurtServer(ServerLevel level, DamageSource damageSource, float amount) {
		boolean bl = super.hurtServer(level, damageSource, amount);
		if (bl && damageSource.getEntity() instanceof LivingEntity livingEntity) {
			PiglinBruteAi.wasHurtBy(level, this, livingEntity);
		}

		return bl;
	}

	@Override
	protected SoundEvent getAmbientSound() {
		return SoundEvents.PIGLIN_BRUTE_AMBIENT;
	}

	@Override
	protected SoundEvent getHurtSound(DamageSource damageSource) {
		return SoundEvents.PIGLIN_BRUTE_HURT;
	}

	@Override
	protected SoundEvent getDeathSound() {
		return SoundEvents.PIGLIN_BRUTE_DEATH;
	}

	@Override
	protected void playStepSound(BlockPos pos, BlockState state) {
		this.playSound(SoundEvents.PIGLIN_BRUTE_STEP, 0.15F, 1.0F);
	}

	protected void playAngrySound() {
		this.makeSound(SoundEvents.PIGLIN_BRUTE_ANGRY);
	}

	@Override
	protected void playConvertedSound() {
		this.makeSound(SoundEvents.PIGLIN_BRUTE_CONVERTED_TO_ZOMBIFIED);
	}
}